vim: src/move.c annotate

annotate src/move.c @ 30610:6c6ac189a05f v9.0.0640

patch 9.0.0640: cannot scroll by screen line if a line wraps Commit: https://github.com/vim/vim/commit/f6196f424474e2a9c160f2a995fc2691f82b58f9 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 2 21:29:55 2022 +0100 patch 9.0.0640: cannot scroll by screen line if a line wraps Problem: Cannot scroll by screen line if a line wraps. Solution: Add the 'smoothscroll' option. Only works for CTRL-E and CTRL-Y so far.

author	Bram Moolenaar <Bram@vim.org>
date	Sun, 02 Oct 2022 22:30:15 +0200
parents	729e2305f4b2
children	70d6345a2976

rev	line source
10042 4aead6a9b7a9 commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47 Christian Brabandt <cb@256bit.org> parents: 9852 diff changeset	1 /* vi:set ts=8 sts=4 sw=4 noet:
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3 * VIM - Vi IMproved by Bram Moolenaar
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	4 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	5 * Do ":help uganda" in Vim to read copying and usage conditions.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	6 * Do ":help credits" in Vim to see a list of people who contributed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	7 * See README.txt for an overview of the Vim source code.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	8 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	9 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	10 * move.c: Functions for moving the cursor and scrolling text.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	11 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	12 * There are two ways to move the cursor:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	13 * 1. Move the cursor directly, the text is scrolled to keep the cursor in the
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	14 * window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	15 * 2. Scroll the text, the cursor is moved into the text visible in the
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	16 * window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	17 * The 'scrolloff' option makes this a bit complicated.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	18 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	19
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	20 #include "vim.h"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	21
7803 37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713 Christian Brabandt <cb@256bit.org> parents: 7103 diff changeset	22 static int scrolljump_value(void);
37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713 Christian Brabandt <cb@256bit.org> parents: 7103 diff changeset	23 static int check_top_offset(void);
37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713 Christian Brabandt <cb@256bit.org> parents: 7103 diff changeset	24 static void curs_rows(win_T *wp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	25
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	26 typedef struct
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	27 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	28 linenr_T lnum; // line number
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	29 #ifdef FEAT_DIFF
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	30 int fill; // filler lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	31 #endif
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	32 int height; // height of added line
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	33 } lineoff_T;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	34
7803 37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713 Christian Brabandt <cb@256bit.org> parents: 7103 diff changeset	35 static void topline_back(lineoff_T *lp);
37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713 Christian Brabandt <cb@256bit.org> parents: 7103 diff changeset	36 static void botline_forw(lineoff_T *lp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	37
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	38 /*
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	39 * Reduce "n" for the screen lines skipped with "wp->w_skipcol".
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	40 */
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	41 static int
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	42 adjust_plines_for_skipcol(win_T *wp, int n)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	43 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	44 if (wp->w_skipcol == 0)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	45 return n;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	46
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	47 int off = 0;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	48 int width = wp->w_width - win_col_off(wp);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	49 if (wp->w_skipcol >= width)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	50 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	51 ++off;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	52 int skip = wp->w_skipcol - width;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	53 width -= win_col_off2(wp);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	54 while (skip >= width)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	55 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	56 ++off;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	57 skip -= width;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	58 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	59 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	60 wp->w_valid &= ~VALID_WROW;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	61 return n - off;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	62 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	63
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	64 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	65 * Compute wp->w_botline for the current wp->w_topline. Can be called after
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	66 * wp->w_topline changed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	67 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	68 static void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	69 comp_botline(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	70 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	71 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	72 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	73 int done;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	74 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	75 linenr_T last;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	76 int folded;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	77 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	78
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	79 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	80 * If w_cline_row is valid, start there.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	81 * Otherwise have to start at w_topline.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	82 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	83 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	84 if (wp->w_valid & VALID_CROW)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	85 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	86 lnum = wp->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	87 done = wp->w_cline_row;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	88 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	89 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	90 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	91 lnum = wp->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	92 done = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	93 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	94
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	95 for ( ; lnum <= wp->w_buffer->b_ml.ml_line_count; ++lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	96 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	97 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	98 last = lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	99 folded = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	100 if (hasFoldingWin(wp, lnum, NULL, &last, TRUE, NULL))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	101 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	102 n = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	103 folded = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	104 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	105 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	106 #endif
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	107 {
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	108 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	109 if (lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	110 n = plines_win_nofill(wp, lnum, TRUE) + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	111 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	112 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	113 n = plines_win(wp, lnum, TRUE);
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	114 if (lnum == wp->w_topline)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	115 n = adjust_plines_for_skipcol(wp, n);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	116 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	117 if (
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	118 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	119 lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	120 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	121 lnum == wp->w_cursor.lnum
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	122 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	123 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	124 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	125 wp->w_cline_row = done;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	126 wp->w_cline_height = n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	127 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	128 wp->w_cline_folded = folded;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	129 #endif
5764 b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	130 redraw_for_cursorline(wp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	131 wp->w_valid \|= (VALID_CROW\|VALID_CHEIGHT);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	132 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	133 if (done + n > wp->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	134 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	135 done += n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	136 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	137 lnum = last;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	138 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	139 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	140
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	141 // wp->w_botline is the line that is just below the window
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	142 wp->w_botline = lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	143 wp->w_valid \|= VALID_BOTLINE\|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	144
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	145 set_empty_rows(wp, done);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	146 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	147
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	148 /*
5764 b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	149 * Redraw when w_cline_row changes and 'relativenumber' or 'cursorline' is
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	150 * set.
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	151 */
15697 b7a88676e81c patch 8.1.0856: when scrolling a window the cursorline is not always updated Bram Moolenaar <Bram@vim.org> parents: 15636 diff changeset	152 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	153 redraw_for_cursorline(win_T *wp)
5764 b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	154 {
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	155 if ((wp->w_p_rnu
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	156 #ifdef FEAT_SYN_HL
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	157 \|\| wp->w_p_cul
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	158 #endif
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	159 )
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	160 && (wp->w_valid & VALID_CROW) == 0
17809 59f8948b7590 patch 8.1.1901: the +insert_expand feature is not always available Bram Moolenaar <Bram@vim.org> parents: 17292 diff changeset	161 && !pum_visible())
14720 a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set Christian Brabandt <cb@256bit.org> parents: 14317 diff changeset	162 {
28177 f04a3ec65e2d patch 8.2.4614: redrawing too much when 'cursorline' is set Bram Moolenaar <Bram@vim.org> parents: 27726 diff changeset	163 // win_line() will redraw the number column and cursorline only.
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	164 redraw_win_later(wp, UPD_VALID);
14720 a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set Christian Brabandt <cb@256bit.org> parents: 14317 diff changeset	165 }
5764 b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	166 }
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	167
28224 c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	168 #ifdef FEAT_SYN_HL
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	169 /*
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	170 * Redraw when w_virtcol changes and 'cursorcolumn' is set or 'cursorlineopt'
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	171 * contains "screenline".
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	172 */
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	173 static void
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	174 redraw_for_cursorcolumn(win_T *wp)
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	175 {
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	176 if ((wp->w_valid & VALID_VIRTCOL) == 0 && !pum_visible())
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	177 {
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	178 // When 'cursorcolumn' is set need to redraw with UPD_SOME_VALID.
28224 c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	179 if (wp->w_p_cuc)
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	180 redraw_win_later(wp, UPD_SOME_VALID);
89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	181 // When 'cursorlineopt' contains "screenline" need to redraw with
89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	182 // UPD_VALID.
28224 c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	183 else if (wp->w_p_cul && (wp->w_p_culopt_flags & CULOPT_SCRLINE))
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	184 redraw_win_later(wp, UPD_VALID);
28224 c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	185 }
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	186 }
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	187 #endif
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	188
5764 b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	189 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	190 * Update curwin->w_topline and redraw if necessary.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	191 * Used to update the screen before printing a message.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	192 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	193 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	194 update_topline_redraw(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	195 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	196 update_topline();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	197 if (must_redraw)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	198 update_screen(0);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	199 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	200
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	201 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	202 * Update curwin->w_topline to move the cursor onto the screen.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	203 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	204 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	205 update_topline(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	206 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	207 long line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	208 int halfheight;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	209 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	210 linenr_T old_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	211 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	212 int old_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	213 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	214 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	215 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	216 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	217 int check_topline = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	218 int check_botline = FALSE;
28809 d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 28782 diff changeset	219 long *so_ptr = curwin->w_p_so >= 0 ? &curwin->w_p_so : &p_so;
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	220 int save_so = *so_ptr;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	221
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	222 // If there is no valid screen and when the window height is zero just use
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	223 // the cursor line.
11258 84f71a8a5f2c patch 8.0.0515: ml_get errors in silent Ex mode Christian Brabandt <cb@256bit.org> parents: 11121 diff changeset	224 if (!screen_valid(TRUE) \|\| curwin->w_height == 0)
6247 fe1827921d50 updated for version 7.4.458 Bram Moolenaar <bram@vim.org> parents: 5764 diff changeset	225 {
22782 53b996eb5e76 patch 8.2.1939: invalid memory access in Ex mode with global command Bram Moolenaar <Bram@vim.org> parents: 22403 diff changeset	226 check_cursor_lnum();
6247 fe1827921d50 updated for version 7.4.458 Bram Moolenaar <bram@vim.org> parents: 5764 diff changeset	227 curwin->w_topline = curwin->w_cursor.lnum;
fe1827921d50 updated for version 7.4.458 Bram Moolenaar <bram@vim.org> parents: 5764 diff changeset	228 curwin->w_botline = curwin->w_topline;
fe1827921d50 updated for version 7.4.458 Bram Moolenaar <bram@vim.org> parents: 5764 diff changeset	229 curwin->w_scbind_pos = 1;
fe1827921d50 updated for version 7.4.458 Bram Moolenaar <bram@vim.org> parents: 5764 diff changeset	230 return;
fe1827921d50 updated for version 7.4.458 Bram Moolenaar <bram@vim.org> parents: 5764 diff changeset	231 }
fe1827921d50 updated for version 7.4.458 Bram Moolenaar <bram@vim.org> parents: 5764 diff changeset	232
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	233 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	234 if (curwin->w_valid & VALID_TOPLINE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	235 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	236
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	237 // When dragging with the mouse, don't scroll that quickly
1121 e63691e7c504 updated for version 7.1a vimboss parents: 752 diff changeset	238 if (mouse_dragging > 0)
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	239 *so_ptr = mouse_dragging - 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	240
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	241 old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	242 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	243 old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	244 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	245
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	246 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	247 * If the buffer is empty, always set topline to 1.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	248 */
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	249 if (BUFEMPTY()) // special case - file is empty
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	250 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	251 if (curwin->w_topline != 1)
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	252 redraw_later(UPD_NOT_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	253 curwin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	254 curwin->w_botline = 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	255 curwin->w_valid \|= VALID_BOTLINE\|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	256 curwin->w_scbind_pos = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	257 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	258
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	259 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	260 * If the cursor is above or near the top of the window, scroll the window
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	261 * to show the line the cursor is in, with 'scrolloff' context.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	262 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	263 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	264 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	265 if (curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	266 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	267 // If the cursor is above topline, scrolling is always needed.
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	268 // If the cursor is far below topline and there is no folding,
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	269 // scrolling down is never needed.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	270 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	271 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	272 else if (check_top_offset())
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	273 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	274 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	275 #ifdef FEAT_DIFF
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	276 // Check if there are more filler lines than allowed.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	277 if (!check_topline && curwin->w_topfill > diff_check_fill(curwin,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	278 curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	279 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	280 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	281
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	282 if (check_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	283 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	284 halfheight = curwin->w_height / 2 - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	285 if (halfheight < 2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	286 halfheight = 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	287
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	288 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	289 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	290 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	291 // Count the number of logical lines between the cursor and
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	292 // topline + scrolloff (approximation of how much will be
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	293 // scrolled).
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	294 n = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	295 for (lnum = curwin->w_cursor.lnum;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	296 lnum < curwin->w_topline + *so_ptr; ++lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	297 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	298 ++n;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	299 // stop at end of file or when we know we are far off
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	300 if (lnum >= curbuf->b_ml.ml_line_count \|\| n >= halfheight)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	301 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	302 (void)hasFolding(lnum, NULL, &lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	303 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	304 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	305 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	306 #endif
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	307 n = curwin->w_topline + *so_ptr - curwin->w_cursor.lnum;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	308
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	309 // If we weren't very close to begin with, we scroll to put the
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	310 // cursor in the middle of the window. Otherwise put the cursor
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	311 // near the top of the window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	312 if (n >= halfheight)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	313 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	314 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	315 {
532 7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	316 scroll_cursor_top(scrolljump_value(), FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	317 check_botline = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	318 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	319 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	320
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	321 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	322 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	323 #ifdef FEAT_FOLDING
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	324 // Make sure topline is the first line of a fold.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	325 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	326 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	327 check_botline = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	328 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	329 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	330
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	331 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	332 * If the cursor is below the bottom of the window, scroll the window
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	333 * to put the cursor on the window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	334 * When w_botline is invalid, recompute it first, to avoid a redraw later.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	335 * If w_botline was approximated, we might need a redraw later in a few
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	336 * cases, but we don't want to spend (a lot of) time recomputing w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	337 * for every small change.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	338 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	339 if (check_botline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	340 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	341 if (!(curwin->w_valid & VALID_BOTLINE_AP))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	342 validate_botline();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	343
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	344 if (curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	345 {
1744 feb9b4215853 updated for version 7.2-042 vimboss parents: 1668 diff changeset	346 if (curwin->w_cursor.lnum < curwin->w_botline)
feb9b4215853 updated for version 7.2-042 vimboss parents: 1668 diff changeset	347 {
feb9b4215853 updated for version 7.2-042 vimboss parents: 1668 diff changeset	348 if (((long)curwin->w_cursor.lnum
29239 da56650de132 patch 8.2.5138: various small issues Bram Moolenaar <Bram@vim.org> parents: 29175 diff changeset	349 >= (long)curwin->w_botline - *so_ptr
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	350 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	351 \|\| hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	352 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	353 ))
1744 feb9b4215853 updated for version 7.2-042 vimboss parents: 1668 diff changeset	354 {
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	355 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	356
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	357 // Cursor is (a few lines) above botline, check if there are
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	358 // 'scrolloff' window lines below the cursor. If not, need to
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	359 // scroll.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	360 n = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	361 loff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	362 #ifdef FEAT_FOLDING
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	363 // In a fold go to its last line.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	364 (void)hasFolding(loff.lnum, NULL, &loff.lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	365 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	366 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	367 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	368 n += curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	369 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	370 loff.height = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	371 while (loff.lnum < curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	372 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	373 && (loff.lnum + 1 < curwin->w_botline \|\| loff.fill == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	374 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	375 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	376 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	377 n += loff.height;
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	378 if (n >= *so_ptr)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	379 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	380 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	381 }
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	382 if (n >= *so_ptr)
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	383 // sufficient context, no need to scroll
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	384 check_botline = FALSE;
1744 feb9b4215853 updated for version 7.2-042 vimboss parents: 1668 diff changeset	385 }
feb9b4215853 updated for version 7.2-042 vimboss parents: 1668 diff changeset	386 else
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	387 // sufficient context, no need to scroll
1744 feb9b4215853 updated for version 7.2-042 vimboss parents: 1668 diff changeset	388 check_botline = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	389 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	390 if (check_botline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	391 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	392 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	393 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	394 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	395 // Count the number of logical lines between the cursor and
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	396 // botline - scrolloff (approximation of how much will be
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	397 // scrolled).
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	398 line_count = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	399 for (lnum = curwin->w_cursor.lnum;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	400 lnum >= curwin->w_botline - *so_ptr; --lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	401 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	402 ++line_count;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	403 // stop at end of file or when we know we are far off
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	404 if (lnum <= 0 \|\| line_count > curwin->w_height + 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	405 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	406 (void)hasFolding(lnum, &lnum, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	407 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	408 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	409 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	410 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	411 line_count = curwin->w_cursor.lnum - curwin->w_botline
29239 da56650de132 patch 8.2.5138: various small issues Bram Moolenaar <Bram@vim.org> parents: 29175 diff changeset	412 + 1 + *so_ptr;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	413 if (line_count <= curwin->w_height + 1)
532 7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	414 scroll_cursor_bot(scrolljump_value(), FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	415 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	416 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	417 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	418 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	419 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	420 curwin->w_valid \|= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	421
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	422 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	423 * Need to redraw when topline changed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	424 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	425 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	426 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	427 \|\| curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	428 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	429 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	430 {
3318 c70c005f61fb updated for version 7.3.426 Bram Moolenaar <bram@vim.org> parents: 3263 diff changeset	431 dollar_vcol = -1;
740 614e9af68eaa updated for version 7.0222 vimboss parents: 532 diff changeset	432 if (curwin->w_skipcol != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	433 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	434 curwin->w_skipcol = 0;
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	435 redraw_later(UPD_NOT_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	436 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	437 else
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	438 redraw_later(UPD_VALID);
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	439 // May need to set w_skipcol when cursor in w_topline.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	440 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	441 validate_cursor();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	442 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	443
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	444 *so_ptr = save_so;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	445 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	446
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	447 /*
532 7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	448 * Return the scrolljump value to use for the current window.
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	449 * When 'scrolljump' is positive use it as-is.
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	450 * When 'scrolljump' is negative use it as a percentage of the window height.
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	451 */
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	452 static int
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	453 scrolljump_value(void)
532 7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	454 {
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	455 if (p_sj >= 0)
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	456 return (int)p_sj;
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	457 return (curwin->w_height * -p_sj) / 100;
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	458 }
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	459
7052f11a3dc9 updated for version 7.0150 vimboss parents: 164 diff changeset	460 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	461 * Return TRUE when there are not 'scrolloff' lines above the cursor for the
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	462 * current window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	463 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	464 static int
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	465 check_top_offset(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	466 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	467 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	468 int n;
28809 d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 28782 diff changeset	469 long so = get_scrolloff_value();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	470
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	471 if (curwin->w_cursor.lnum < curwin->w_topline + so
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	472 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	473 \|\| hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	474 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	475 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	476 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	477 loff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	478 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	479 loff.fill = 0;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	480 n = curwin->w_topfill; // always have this context
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	481 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	482 n = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	483 #endif
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	484 // Count the visible screen lines above the cursor line.
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	485 while (n < so)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	486 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	487 topline_back(&loff);
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	488 // Stop when included a line above the window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	489 if (loff.lnum < curwin->w_topline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	490 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	491 \|\| (loff.lnum == curwin->w_topline && loff.fill > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	492 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	493 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	494 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	495 n += loff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	496 }
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	497 if (n < so)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	498 return TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	499 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	500 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	501 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	502
30293 914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	503 /*
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	504 * Update w_curswant.
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	505 */
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	506 void
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	507 update_curswant_force(void)
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	508 {
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	509 validate_virtcol();
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	510 curwin->w_curswant = curwin->w_virtcol
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	511 #ifdef FEAT_PROP_POPUP
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	512 - curwin->w_virtcol_first_char
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	513 #endif
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	514 ;
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	515 curwin->w_set_curswant = FALSE;
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	516 }
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	517
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	518 /*
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	519 * Update w_curswant if w_set_curswant is set.
914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	520 */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	521 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	522 update_curswant(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	523 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	524 if (curwin->w_set_curswant)
30293 914b3c64ab92 patch 9.0.0482: "g0" moves to wrong location with virtual text "above" Bram Moolenaar <Bram@vim.org> parents: 30231 diff changeset	525 update_curswant_force();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	526 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	527
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	528 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	529 * Check if the cursor has moved. Set the w_valid flag accordingly.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	530 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	531 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	532 check_cursor_moved(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	533 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	534 if (wp->w_cursor.lnum != wp->w_valid_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	535 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	536 wp->w_valid &= ~(VALID_WROW\|VALID_WCOL\|VALID_VIRTCOL
28782 3892e7574812 patch 8.2.4915: sometimes the cursor is in the wrong position Bram Moolenaar <Bram@vim.org> parents: 28542 diff changeset	537 \|VALID_CHEIGHT\|VALID_CROW\|VALID_TOPLINE
3892e7574812 patch 8.2.4915: sometimes the cursor is in the wrong position Bram Moolenaar <Bram@vim.org> parents: 28542 diff changeset	538 \|VALID_BOTLINE\|VALID_BOTLINE_AP);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	539 wp->w_valid_cursor = wp->w_cursor;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	540 wp->w_valid_leftcol = wp->w_leftcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	541 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	542 else if (wp->w_cursor.col != wp->w_valid_cursor.col
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	543 \|\| wp->w_leftcol != wp->w_valid_leftcol
15636 6f1c7e9a6393 patch 8.1.0826: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15597 diff changeset	544 \|\| wp->w_cursor.coladd != wp->w_valid_cursor.coladd)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	545 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	546 wp->w_valid &= ~(VALID_WROW\|VALID_WCOL\|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	547 wp->w_valid_cursor.col = wp->w_cursor.col;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	548 wp->w_valid_leftcol = wp->w_leftcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	549 wp->w_valid_cursor.coladd = wp->w_cursor.coladd;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	550 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	551 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	552
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	553 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	554 * Call this function when some window settings have changed, which require
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	555 * the cursor position, botline and topline to be recomputed and the window to
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	556 * be redrawn. E.g, when changing the 'wrap' option or folding.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	557 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	558 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	559 changed_window_setting(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	560 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	561 changed_window_setting_win(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	562 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	563
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	564 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	565 changed_window_setting_win(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	566 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	567 wp->w_lines_valid = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	568 changed_line_abv_curs_win(wp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	569 wp->w_valid &= ~(VALID_BOTLINE\|VALID_BOTLINE_AP\|VALID_TOPLINE);
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	570 redraw_win_later(wp, UPD_NOT_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	571 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	572
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	573 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	574 * Set wp->w_topline to a certain number.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	575 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	576 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	577 set_topline(win_T *wp, linenr_T lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	578 {
25717 d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25384 diff changeset	579 #ifdef FEAT_DIFF
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25384 diff changeset	580 linenr_T prev_topline = wp->w_topline;
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25384 diff changeset	581 #endif
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25384 diff changeset	582
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	583 #ifdef FEAT_FOLDING
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	584 // go to first of folded lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	585 (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	586 #endif
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	587 // Approximate the value of w_botline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	588 wp->w_botline += lnum - wp->w_topline;
23306 90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	589 if (wp->w_botline > wp->w_buffer->b_ml.ml_line_count + 1)
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	590 wp->w_botline = wp->w_buffer->b_ml.ml_line_count + 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	591 wp->w_topline = lnum;
1744 feb9b4215853 updated for version 7.2-042 vimboss parents: 1668 diff changeset	592 wp->w_topline_was_set = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	593 #ifdef FEAT_DIFF
25717 d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25384 diff changeset	594 if (lnum != prev_topline)
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25384 diff changeset	595 // Keep the filler lines when the topline didn't change.
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25384 diff changeset	596 wp->w_topfill = 0;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	597 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	598 wp->w_valid &= ~(VALID_WROW\|VALID_CROW\|VALID_BOTLINE\|VALID_TOPLINE);
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	599 // Don't set VALID_TOPLINE here, 'scrolloff' needs to be checked.
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	600 redraw_later(UPD_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	601 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	602
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	603 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	604 * Call this function when the length of the cursor line (in screen
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	605 * characters) has changed, and the change is before the cursor.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	606 * Need to take care of w_botline separately!
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	607 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	608 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	609 changed_cline_bef_curs(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	610 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	611 curwin->w_valid &= ~(VALID_WROW\|VALID_WCOL\|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	612 \|VALID_CHEIGHT\|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	613 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	614
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	615 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	616 changed_cline_bef_curs_win(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	617 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	618 wp->w_valid &= ~(VALID_WROW\|VALID_WCOL\|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	619 \|VALID_CHEIGHT\|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	620 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	621
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	622 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	623 * Call this function when the length of a line (in screen characters) above
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	624 * the cursor have changed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	625 * Need to take care of w_botline separately!
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	626 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	627 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	628 changed_line_abv_curs(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	629 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	630 curwin->w_valid &= ~(VALID_WROW\|VALID_WCOL\|VALID_VIRTCOL\|VALID_CROW
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	631 \|VALID_CHEIGHT\|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	632 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	633
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	634 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	635 changed_line_abv_curs_win(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	636 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	637 wp->w_valid &= ~(VALID_WROW\|VALID_WCOL\|VALID_VIRTCOL\|VALID_CROW
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	638 \|VALID_CHEIGHT\|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	639 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	640
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	641 /*
29708 d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	642 * Display of line has changed for "buf", invalidate cursor position and
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	643 * w_botline.
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	644 */
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	645 void
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	646 changed_line_display_buf(buf_T *buf)
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	647 {
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	648 win_T *wp;
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	649
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	650 FOR_ALL_WINDOWS(wp)
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	651 if (wp->w_buffer == buf)
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	652 wp->w_valid &= ~(VALID_WROW\|VALID_WCOL\|VALID_VIRTCOL
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	653 \|VALID_CROW\|VALID_CHEIGHT
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	654 \|VALID_TOPLINE\|VALID_BOTLINE\|VALID_BOTLINE_AP);
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	655 }
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	656
d97b2ce26258 patch 9.0.0194: cursor displayed in wrong position after removing text prop Bram Moolenaar <Bram@vim.org> parents: 29275 diff changeset	657 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	658 * Make sure the value of curwin->w_botline is valid.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	659 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	660 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	661 validate_botline(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	662 {
23306 90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	663 validate_botline_win(curwin);
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	664 }
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	665
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	666 /*
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	667 * Make sure the value of wp->w_botline is valid.
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	668 */
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	669 void
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	670 validate_botline_win(win_T *wp)
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	671 {
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	672 if (!(wp->w_valid & VALID_BOTLINE))
90ea5037a7e3 patch 8.2.2198: ml_get error when resizing window and using text property Bram Moolenaar <Bram@vim.org> parents: 23213 diff changeset	673 comp_botline(wp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	674 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	675
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	676 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	677 * Mark curwin->w_botline as invalid (because of some change in the buffer).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	678 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	679 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	680 invalidate_botline(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	681 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	682 curwin->w_valid &= ~(VALID_BOTLINE\|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	683 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	684
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	685 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	686 invalidate_botline_win(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	687 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	688 wp->w_valid &= ~(VALID_BOTLINE\|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	689 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	690
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	691 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	692 approximate_botline_win(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	693 win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	694 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	695 wp->w_valid &= ~VALID_BOTLINE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	696 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	697
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	698 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	699 * Return TRUE if curwin->w_wrow and curwin->w_wcol are valid.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	700 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	701 int
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	702 cursor_valid(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	703 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	704 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	705 return ((curwin->w_valid & (VALID_WROW\|VALID_WCOL)) ==
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	706 (VALID_WROW\|VALID_WCOL));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	707 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	708
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	709 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	710 * Validate cursor position. Makes sure w_wrow and w_wcol are valid.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	711 * w_topline must be valid, you may need to call update_topline() first!
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	712 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	713 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	714 validate_cursor(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	715 {
30491 729e2305f4b2 patch 9.0.0581: adding a character for incsearch fails at end of line Bram Moolenaar <Bram@vim.org> parents: 30487 diff changeset	716 check_cursor_lnum();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	717 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	718 if ((curwin->w_valid & (VALID_WCOL\|VALID_WROW)) != (VALID_WCOL\|VALID_WROW))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	719 curs_columns(TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	720 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	721
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	722 #if defined(FEAT_GUI) \|\| defined(PROTO)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	723 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	724 * validate w_cline_row.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	725 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	726 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	727 validate_cline_row(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	728 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	729 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	730 * First make sure that w_topline is valid (after moving the cursor).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	731 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	732 update_topline();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	733 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	734 if (!(curwin->w_valid & VALID_CROW))
6441 7cda721eadb0 updated for version 7.4.550 Bram Moolenaar <bram@vim.org> parents: 6247 diff changeset	735 curs_rows(curwin);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	736 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	737 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	738
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	739 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	740 * Compute wp->w_cline_row and wp->w_cline_height, based on the current value
2154 7c8c7c95a865 First step in the Vim 7.3 branch. Changed version numbers. Bram Moolenaar <bram@zimbu.org> parents: 2082 diff changeset	741 * of wp->w_topline.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	742 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	743 static void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	744 curs_rows(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	745 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	746 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	747 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	748 int all_invalid;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	749 int valid;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	750 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	751 long fold_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	752 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	753
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	754 // Check if wp->w_lines[].wl_size is invalid
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	755 all_invalid = (!redrawing()
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	756 \|\| wp->w_lines_valid == 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	757 \|\| wp->w_lines[0].wl_lnum > wp->w_topline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	758 i = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	759 wp->w_cline_row = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	760 for (lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	761 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	762 valid = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	763 if (!all_invalid && i < wp->w_lines_valid)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	764 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	765 if (wp->w_lines[i].wl_lnum < lnum \|\| !wp->w_lines[i].wl_valid)
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	766 continue; // skip changed or deleted lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	767 if (wp->w_lines[i].wl_lnum == lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	768 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	769 #ifdef FEAT_FOLDING
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	770 // Check for newly inserted lines below this row, in which
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	771 // case we need to check for folded lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	772 if (!wp->w_buffer->b_mod_set
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	773 \|\| wp->w_lines[i].wl_lastlnum < wp->w_cursor.lnum
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	774 \|\| wp->w_buffer->b_mod_top
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	775 > wp->w_lines[i].wl_lastlnum + 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	776 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	777 valid = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	778 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	779 else if (wp->w_lines[i].wl_lnum > lnum)
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	780 --i; // hold at inserted lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	781 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	782 if (valid
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	783 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	784 && (lnum != wp->w_topline \|\| !wp->w_p_diff)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	785 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	786 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	787 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	788 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	789 lnum = wp->w_lines[i].wl_lastlnum + 1;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	790 // Cursor inside folded lines, don't count this row
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	791 if (lnum > wp->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	792 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	793 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	794 ++lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	795 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	796 wp->w_cline_row += wp->w_lines[i].wl_size;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	797 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	798 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	799 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	800 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	801 fold_count = foldedCount(wp, lnum, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	802 if (fold_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	803 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	804 lnum += fold_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	805 if (lnum > wp->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	806 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	807 ++wp->w_cline_row;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	808 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	809 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	810 #endif
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	811 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	812 int n;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	813 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	814 if (lnum == wp->w_topline)
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	815 n = plines_win_nofill(wp, lnum, TRUE) + wp->w_topfill;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	816 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	817 #endif
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	818 n = plines_win(wp, lnum, TRUE);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	819 if (lnum++ == wp->w_topline)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	820 n = adjust_plines_for_skipcol(wp, n);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	821 wp->w_cline_row += n;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	822 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	823 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	824 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	825
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	826 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	827 if (!(wp->w_valid & VALID_CHEIGHT))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	828 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	829 if (all_invalid
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	830 \|\| i == wp->w_lines_valid
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	831 \|\| (i < wp->w_lines_valid
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	832 && (!wp->w_lines[i].wl_valid
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	833 \|\| wp->w_lines[i].wl_lnum != wp->w_cursor.lnum)))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	834 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	835 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	836 if (wp->w_cursor.lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	837 wp->w_cline_height = plines_win_nofill(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	838 TRUE) + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	839 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	840 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	841 wp->w_cline_height = plines_win(wp, wp->w_cursor.lnum, TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	842 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	843 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	844 NULL, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	845 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	846 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	847 else if (i > wp->w_lines_valid)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	848 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	849 // a line that is too long to fit on the last screen line
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	850 wp->w_cline_height = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	851 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	852 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	853 NULL, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	854 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	855 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	856 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	857 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	858 wp->w_cline_height = wp->w_lines[i].wl_size;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	859 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	860 wp->w_cline_folded = wp->w_lines[i].wl_folded;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	861 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	862 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	863 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	864
5764 b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	865 redraw_for_cursorline(curwin);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	866 wp->w_valid \|= VALID_CROW\|VALID_CHEIGHT;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	867
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	868 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	869
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	870 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	871 * Validate curwin->w_virtcol only.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	872 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	873 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	874 validate_virtcol(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	875 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	876 validate_virtcol_win(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	877 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	878
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	879 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	880 * Validate wp->w_virtcol only.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	881 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	882 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	883 validate_virtcol_win(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	884 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	885 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	886 if (!(wp->w_valid & VALID_VIRTCOL))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	887 {
30205 ed6f3d2593df patch 9.0.0438: cannot put virtual text above a line Bram Moolenaar <Bram@vim.org> parents: 29732 diff changeset	888 #ifdef FEAT_PROP_POPUP
ed6f3d2593df patch 9.0.0438: cannot put virtual text above a line Bram Moolenaar <Bram@vim.org> parents: 29732 diff changeset	889 wp->w_virtcol_first_char = 0;
ed6f3d2593df patch 9.0.0438: cannot put virtual text above a line Bram Moolenaar <Bram@vim.org> parents: 29732 diff changeset	890 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	891 getvvcol(wp, &wp->w_cursor, NULL, &(wp->w_virtcol), NULL);
28224 c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	892 #ifdef FEAT_SYN_HL
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	893 redraw_for_cursorcolumn(wp);
c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	894 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	895 wp->w_valid \|= VALID_VIRTCOL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	896 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	897 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	898
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	899 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	900 * Validate curwin->w_cline_height only.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	901 */
18892 fb2d26bc8ca1 patch 8.2.0007: popup menu positioned wrong with folding in two tabs Bram Moolenaar <Bram@vim.org> parents: 18763 diff changeset	902 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	903 validate_cheight(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	904 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	905 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	906 if (!(curwin->w_valid & VALID_CHEIGHT))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	907 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	908 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	909 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	910 curwin->w_cline_height = plines_nofill(curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	911 + curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	912 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	913 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	914 curwin->w_cline_height = plines(curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	915 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	916 curwin->w_cline_folded = hasFolding(curwin->w_cursor.lnum, NULL, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	917 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	918 curwin->w_valid \|= VALID_CHEIGHT;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	919 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	920 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	921
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	922 /*
1668 0b796e045c42 updated for version 7.2b-000 vimboss parents: 1121 diff changeset	923 * Validate w_wcol and w_virtcol only.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	924 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	925 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	926 validate_cursor_col(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	927 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	928 colnr_T off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	929 colnr_T col;
2070 4483ee552619 updated for version 7.2.355 Bram Moolenaar <bram@zimbu.org> parents: 1980 diff changeset	930 int width;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	931
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	932 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	933 if (!(curwin->w_valid & VALID_WCOL))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	934 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	935 col = curwin->w_virtcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	936 off = curwin_col_off();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	937 col += off;
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	938 width = curwin->w_width - off + curwin_col_off2();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	939
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	940 // long line wrapping, adjust curwin->w_wrow
1668 0b796e045c42 updated for version 7.2b-000 vimboss parents: 1121 diff changeset	941 if (curwin->w_p_wrap
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	942 && col >= (colnr_T)curwin->w_width
2070 4483ee552619 updated for version 7.2.355 Bram Moolenaar <bram@zimbu.org> parents: 1980 diff changeset	943 && width > 0)
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	944 // use same formula as what is used in curs_columns()
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	945 col -= ((col - curwin->w_width) / width + 1) * width;
1668 0b796e045c42 updated for version 7.2b-000 vimboss parents: 1121 diff changeset	946 if (col > (int)curwin->w_leftcol)
0b796e045c42 updated for version 7.2b-000 vimboss parents: 1121 diff changeset	947 col -= curwin->w_leftcol;
0b796e045c42 updated for version 7.2b-000 vimboss parents: 1121 diff changeset	948 else
0b796e045c42 updated for version 7.2b-000 vimboss parents: 1121 diff changeset	949 col = 0;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	950 curwin->w_wcol = col;
1668 0b796e045c42 updated for version 7.2b-000 vimboss parents: 1121 diff changeset	951
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	952 curwin->w_valid \|= VALID_WCOL;
22890 255473b88c8e patch 8.2.1992: build fails with small features Bram Moolenaar <Bram@vim.org> parents: 22886 diff changeset	953 #ifdef FEAT_PROP_POPUP
22886 38324d4f1c94 patch 8.2.1990: cursor position wrong in terminal popup with finished job Bram Moolenaar <Bram@vim.org> parents: 22782 diff changeset	954 curwin->w_flags &= ~WFLAG_WCOL_OFF_ADDED;
22890 255473b88c8e patch 8.2.1992: build fails with small features Bram Moolenaar <Bram@vim.org> parents: 22886 diff changeset	955 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	956 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	957 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	958
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	959 /*
2178 c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg. Bram Moolenaar <bram@vim.org> parents: 2154 diff changeset	960 * Compute offset of a window, occupied by absolute or relative line number,
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg. Bram Moolenaar <bram@vim.org> parents: 2154 diff changeset	961 * fold column and sign column (these don't move when scrolling horizontally).
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	962 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	963 int
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	964 win_col_off(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	965 {
2178 c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg. Bram Moolenaar <bram@vim.org> parents: 2154 diff changeset	966 return (((wp->w_p_nu \|\| wp->w_p_rnu) ? number_width(wp) + 1 : 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	967 #ifdef FEAT_CMDWIN
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	968 + (cmdwin_type == 0 \|\| wp != curwin ? 0 : 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	969 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	970 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	971 + wp->w_p_fdc
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	972 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	973 #ifdef FEAT_SIGNS
9852 4eea48b76d03 commit https://github.com/vim/vim/commit/95ec9d6a6ab3117d60ff638670a803d43974ba51 Christian Brabandt <cb@256bit.org> parents: 9649 diff changeset	974 + (signcolumn_on(wp) ? 2 : 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	975 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	976 );
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	977 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	978
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	979 int
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	980 curwin_col_off(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	981 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	982 return win_col_off(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	983 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	984
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	985 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	986 * Return the difference in column offset for the second screen line of a
2178 c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg. Bram Moolenaar <bram@vim.org> parents: 2154 diff changeset	987 * wrapped line. It's 8 if 'number' or 'relativenumber' is on and 'n' is in
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg. Bram Moolenaar <bram@vim.org> parents: 2154 diff changeset	988 * 'cpoptions'.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	989 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	990 int
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	991 win_col_off2(win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	992 {
2178 c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg. Bram Moolenaar <bram@vim.org> parents: 2154 diff changeset	993 if ((wp->w_p_nu \|\| wp->w_p_rnu) && vim_strchr(p_cpo, CPO_NUMCOL) != NULL)
13 24d5189d3956 updated for version 7.0005 vimboss parents: 7 diff changeset	994 return number_width(wp) + 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	995 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	996 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	997
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	998 int
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	999 curwin_col_off2(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1000 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1001 return win_col_off2(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1002 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1003
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1004 /*
15597 536dd2bc5ac9 patch 8.1.0806: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15414 diff changeset	1005 * Compute curwin->w_wcol and curwin->w_virtcol.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1006 * Also updates curwin->w_wrow and curwin->w_cline_row.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1007 * Also updates curwin->w_leftcol.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1008 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1009 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1010 curs_columns(
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1011 int may_scroll) // when TRUE, may scroll horizontally
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1012 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1013 int diff;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1014 int extra; // offset for first screen line
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1015 int off_left, off_right;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1016 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1017 int p_lines;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1018 int width = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1019 int textwidth;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1020 int new_leftcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1021 colnr_T startcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1022 colnr_T endcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1023 colnr_T prev_skipcol;
28809 d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 28782 diff changeset	1024 long so = get_scrolloff_value();
d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 28782 diff changeset	1025 long siso = get_sidescrolloff_value();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1026
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1027 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1028 * First make sure that w_topline is valid (after moving the cursor).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1029 */
30339 b5f67135fcb6 patch 9.0.0505: various problems with 'nosplitscroll' Bram Moolenaar <Bram@vim.org> parents: 30293 diff changeset	1030 if (!skip_update_topline)
30219 bc8ad1c28b51 patch 9.0.0445: when opening/closing window text moves up/down Bram Moolenaar <Bram@vim.org> parents: 30205 diff changeset	1031 update_topline();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1032
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1033 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1034 * Next make sure that w_cline_row is valid.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1035 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1036 if (!(curwin->w_valid & VALID_CROW))
6441 7cda721eadb0 updated for version 7.4.550 Bram Moolenaar <bram@vim.org> parents: 6247 diff changeset	1037 curs_rows(curwin);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1038
30205 ed6f3d2593df patch 9.0.0438: cannot put virtual text above a line Bram Moolenaar <Bram@vim.org> parents: 29732 diff changeset	1039 #ifdef FEAT_PROP_POPUP
ed6f3d2593df patch 9.0.0438: cannot put virtual text above a line Bram Moolenaar <Bram@vim.org> parents: 29732 diff changeset	1040 // will be set by getvvcol() but not reset
ed6f3d2593df patch 9.0.0438: cannot put virtual text above a line Bram Moolenaar <Bram@vim.org> parents: 29732 diff changeset	1041 curwin->w_virtcol_first_char = 0;
ed6f3d2593df patch 9.0.0438: cannot put virtual text above a line Bram Moolenaar <Bram@vim.org> parents: 29732 diff changeset	1042 #endif
ed6f3d2593df patch 9.0.0438: cannot put virtual text above a line Bram Moolenaar <Bram@vim.org> parents: 29732 diff changeset	1043
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1044 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1045 * Compute the number of virtual columns.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1046 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1047 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1048 if (curwin->w_cline_folded)
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1049 // In a folded line the cursor is always in the first column
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1050 startcol = curwin->w_virtcol = endcol = curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1051 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1052 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1053 getvvcol(curwin, &curwin->w_cursor,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1054 &startcol, &(curwin->w_virtcol), &endcol);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1055
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1056 // remove '$' from change command when cursor moves onto it
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1057 if (startcol > dollar_vcol)
3318 c70c005f61fb updated for version 7.3.426 Bram Moolenaar <bram@vim.org> parents: 3263 diff changeset	1058 dollar_vcol = -1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1059
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1060 extra = curwin_col_off();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1061 curwin->w_wcol = curwin->w_virtcol + extra;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1062 endcol += extra;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1063
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1064 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1065 * Now compute w_wrow, counting screen lines from w_cline_row.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1066 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1067 curwin->w_wrow = curwin->w_cline_row;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1068
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	1069 textwidth = curwin->w_width - extra;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1070 if (textwidth <= 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1071 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1072 // No room for text, put cursor in last char of window.
25172 406ab8d0bc0f patch 8.2.3122: with 'nowrap' cursor position is unexected in narrow window Bram Moolenaar <Bram@vim.org> parents: 23905 diff changeset	1073 // If not wrapping, the last non-empty line.
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	1074 curwin->w_wcol = curwin->w_width - 1;
25172 406ab8d0bc0f patch 8.2.3122: with 'nowrap' cursor position is unexected in narrow window Bram Moolenaar <Bram@vim.org> parents: 23905 diff changeset	1075 if (curwin->w_p_wrap)
406ab8d0bc0f patch 8.2.3122: with 'nowrap' cursor position is unexected in narrow window Bram Moolenaar <Bram@vim.org> parents: 23905 diff changeset	1076 curwin->w_wrow = curwin->w_height - 1;
406ab8d0bc0f patch 8.2.3122: with 'nowrap' cursor position is unexected in narrow window Bram Moolenaar <Bram@vim.org> parents: 23905 diff changeset	1077 else
406ab8d0bc0f patch 8.2.3122: with 'nowrap' cursor position is unexected in narrow window Bram Moolenaar <Bram@vim.org> parents: 23905 diff changeset	1078 curwin->w_wrow = curwin->w_height - 1 - curwin->w_empty_rows;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1079 }
12477 68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs Christian Brabandt <cb@256bit.org> parents: 12152 diff changeset	1080 else if (curwin->w_p_wrap && curwin->w_width != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1081 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1082 width = textwidth + curwin_col_off2();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1083
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1084 // long line wrapping, adjust curwin->w_wrow
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	1085 if (curwin->w_wcol >= curwin->w_width)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1086 {
18580 4ac042c8ed98 patch 8.1.2284: compiler warning for unused variable Bram Moolenaar <Bram@vim.org> parents: 18574 diff changeset	1087 #ifdef FEAT_LINEBREAK
18574 8b0114ffde2b patch 8.1.2281: 'showbreak' cannot be set for one window Bram Moolenaar <Bram@vim.org> parents: 18469 diff changeset	1088 char_u *sbr;
18580 4ac042c8ed98 patch 8.1.2284: compiler warning for unused variable Bram Moolenaar <Bram@vim.org> parents: 18574 diff changeset	1089 #endif
18574 8b0114ffde2b patch 8.1.2281: 'showbreak' cannot be set for one window Bram Moolenaar <Bram@vim.org> parents: 18469 diff changeset	1090
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1091 // this same formula is used in validate_cursor_col()
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	1092 n = (curwin->w_wcol - curwin->w_width) / width + 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1093 curwin->w_wcol -= n * width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1094 curwin->w_wrow += n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1095
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1096 #ifdef FEAT_LINEBREAK
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1097 // When cursor wraps to first char of next line in Insert
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1098 // mode, the 'showbreak' string isn't shown, backup to first
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1099 // column
18574 8b0114ffde2b patch 8.1.2281: 'showbreak' cannot be set for one window Bram Moolenaar <Bram@vim.org> parents: 18469 diff changeset	1100 sbr = get_showbreak_value(curwin);
8b0114ffde2b patch 8.1.2281: 'showbreak' cannot be set for one window Bram Moolenaar <Bram@vim.org> parents: 18469 diff changeset	1101 if (sbr && ml_get_cursor() == NUL
25852 336e2d9924e6 patch 8.2.3460: some type casts are not needed Bram Moolenaar <Bram@vim.org> parents: 25717 diff changeset	1102 && curwin->w_wcol == vim_strsize(sbr))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1103 curwin->w_wcol = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1104 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1105 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1106 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1107
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1108 // No line wrapping: compute curwin->w_leftcol if scrolling is on and line
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1109 // is not folded.
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1110 // If scrolling is off, curwin->w_leftcol is assumed to be 0
3263 320cc46d0eb0 updated for version 7.3.400 Bram Moolenaar <bram@vim.org> parents: 2693 diff changeset	1111 else if (may_scroll
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1112 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1113 && !curwin->w_cline_folded
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1114 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1115 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1116 {
30231 0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1117 #ifdef FEAT_PROP_POPUP
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1118 if (curwin->w_virtcol_first_char > 0)
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1119 {
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1120 int cols = (curwin->w_width - extra);
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1121 int rows = cols > 0 ? curwin->w_virtcol_first_char / cols : 1;
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1122
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1123 // each "above" text prop shifts the text one row down
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1124 curwin->w_wrow += rows;
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1125 curwin->w_wcol -= rows * cols;
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1126 endcol -= rows * cols;
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1127 curwin->w_cline_height = rows + 1;
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1128 }
0d084880276a patch 9.0.0451: virtual text "above" does not work with 'nowrap' Bram Moolenaar <Bram@vim.org> parents: 30219 diff changeset	1129 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1130 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1131 * If Cursor is left of the screen, scroll rightwards.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1132 * If Cursor is right of the screen, scroll leftwards
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1133 * If we get closer to the edge than 'sidescrolloff', scroll a little
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1134 * extra
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1135 */
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1136 off_left = (int)startcol - (int)curwin->w_leftcol - siso;
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	1137 off_right = (int)endcol - (int)(curwin->w_leftcol + curwin->w_width
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1138 - siso) + 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1139 if (off_left < 0 \|\| off_right > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1140 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1141 if (off_left < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1142 diff = -off_left;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1143 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1144 diff = off_right;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1145
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1146 // When far off or not enough room on either side, put cursor in
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1147 // middle of window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1148 if (p_ss == 0 \|\| diff >= textwidth / 2 \|\| off_right >= off_left)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1149 new_leftcol = curwin->w_wcol - extra - textwidth / 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1150 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1151 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1152 if (diff < p_ss)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1153 diff = p_ss;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1154 if (off_left < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1155 new_leftcol = curwin->w_leftcol - diff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1156 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1157 new_leftcol = curwin->w_leftcol + diff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1158 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1159 if (new_leftcol < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1160 new_leftcol = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1161 if (new_leftcol != (int)curwin->w_leftcol)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1162 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1163 curwin->w_leftcol = new_leftcol;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1164 // screen has to be redrawn with new curwin->w_leftcol
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	1165 redraw_later(UPD_NOT_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1166 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1167 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1168 curwin->w_wcol -= curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1169 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1170 else if (curwin->w_wcol > (int)curwin->w_leftcol)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1171 curwin->w_wcol -= curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1172 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1173 curwin->w_wcol = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1174
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1175 #ifdef FEAT_DIFF
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1176 // Skip over filler lines. At the top use w_topfill, there
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1177 // may be some filler lines above the window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1178 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1179 curwin->w_wrow += curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1180 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1181 curwin->w_wrow += diff_check_fill(curwin, curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1182 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1183
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1184 prev_skipcol = curwin->w_skipcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1185
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1186 p_lines = 0;
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1187
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1188 if ((curwin->w_wrow >= curwin->w_height
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1189 \|\| ((prev_skipcol > 0
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1190 \|\| curwin->w_wrow + so >= curwin->w_height)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1191 && (p_lines =
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1192 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1193 plines_win_nofill
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1194 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1195 plines_win
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1196 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1197 (curwin, curwin->w_cursor.lnum, FALSE))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1198 - 1 >= curwin->w_height))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1199 && curwin->w_height != 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1200 && curwin->w_cursor.lnum == curwin->w_topline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1201 && width > 0
12477 68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs Christian Brabandt <cb@256bit.org> parents: 12152 diff changeset	1202 && curwin->w_width != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1203 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1204 // Cursor past end of screen. Happens with a single line that does
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1205 // not fit on screen. Find a skipcol to show the text around the
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1206 // cursor. Avoid scrolling all the time. compute value of "extra":
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1207 // 1: Less than 'scrolloff' lines above
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1208 // 2: Less than 'scrolloff' lines below
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1209 // 3: both of them
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1210 extra = 0;
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1211 if (curwin->w_skipcol + so * width > curwin->w_virtcol)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1212 extra = 1;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1213 // Compute last display line of the buffer line that we want at the
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1214 // bottom of the window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1215 if (p_lines == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1216 p_lines = plines_win(curwin, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1217 --p_lines;
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1218 if (p_lines > curwin->w_wrow + so)
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1219 n = curwin->w_wrow + so;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1220 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1221 n = p_lines;
23905 68f506771741 patch 8.2.2495: text jumps up and down when moving the cursor Bram Moolenaar <Bram@vim.org> parents: 23306 diff changeset	1222 if ((colnr_T)n >= curwin->w_height + curwin->w_skipcol / width - so)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1223 extra += 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1224
23905 68f506771741 patch 8.2.2495: text jumps up and down when moving the cursor Bram Moolenaar <Bram@vim.org> parents: 23306 diff changeset	1225 if (extra == 3 \|\| p_lines <= so * 2)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1226 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1227 // not enough room for 'scrolloff', put cursor in the middle
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1228 n = curwin->w_virtcol / width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1229 if (n > curwin->w_height / 2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1230 n -= curwin->w_height / 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1231 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1232 n = 0;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1233 // don't skip more than necessary
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1234 if (n > p_lines - curwin->w_height + 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1235 n = p_lines - curwin->w_height + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1236 curwin->w_skipcol = n * width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1237 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1238 else if (extra == 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1239 {
26771 fc859aea8cec patch 8.2.3914: various spelling mistakes in comments Bram Moolenaar <Bram@vim.org> parents: 26061 diff changeset	1240 // less than 'scrolloff' lines above, decrease skipcol
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1241 extra = (curwin->w_skipcol + so * width - curwin->w_virtcol
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1242 + width - 1) / width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1243 if (extra > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1244 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1245 if ((colnr_T)(extra * width) > curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1246 extra = curwin->w_skipcol / width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1247 curwin->w_skipcol -= extra * width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1248 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1249 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1250 else if (extra == 2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1251 {
26771 fc859aea8cec patch 8.2.3914: various spelling mistakes in comments Bram Moolenaar <Bram@vim.org> parents: 26061 diff changeset	1252 // less than 'scrolloff' lines below, increase skipcol
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1253 endcol = (n - curwin->w_height + 1) * width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1254 while (endcol > curwin->w_virtcol)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1255 endcol -= width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1256 if (endcol > curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1257 curwin->w_skipcol = endcol;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1258 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1259
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1260 curwin->w_wrow -= curwin->w_skipcol / width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1261 if (curwin->w_wrow >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1262 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1263 // small window, make sure cursor is in it
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1264 extra = curwin->w_wrow - curwin->w_height + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1265 curwin->w_skipcol += extra * width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1266 curwin->w_wrow -= extra;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1267 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1268
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1269 extra = ((int)prev_skipcol - (int)curwin->w_skipcol) / width;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1270 if (extra > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1271 win_ins_lines(curwin, 0, extra, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1272 else if (extra < 0)
12152 69af108df70e patch 8.0.0956: scrolling in a terminal window has flicker Christian Brabandt <cb@256bit.org> parents: 11258 diff changeset	1273 win_del_lines(curwin, 0, -extra, FALSE, FALSE, 0);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1274 }
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1275 else if (!curwin->w_p_sms)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1276 curwin->w_skipcol = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1277 if (prev_skipcol != curwin->w_skipcol)
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	1278 redraw_later(UPD_NOT_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1279
740 614e9af68eaa updated for version 7.0222 vimboss parents: 532 diff changeset	1280 #ifdef FEAT_SYN_HL
28224 c99005ffa8c3 patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline' Bram Moolenaar <Bram@vim.org> parents: 28177 diff changeset	1281 redraw_for_cursorcolumn(curwin);
2178 c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg. Bram Moolenaar <bram@vim.org> parents: 2154 diff changeset	1282 #endif
19542 9e428147e4ee patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal Bram Moolenaar <Bram@vim.org> parents: 18931 diff changeset	1283 #if defined(FEAT_PROP_POPUP) && defined(FEAT_TERMINAL)
9e428147e4ee patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal Bram Moolenaar <Bram@vim.org> parents: 18931 diff changeset	1284 if (popup_is_popup(curwin) && curbuf->b_term != NULL)
9e428147e4ee patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal Bram Moolenaar <Bram@vim.org> parents: 18931 diff changeset	1285 {
9e428147e4ee patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal Bram Moolenaar <Bram@vim.org> parents: 18931 diff changeset	1286 curwin->w_wrow += popup_top_extra(curwin);
9e428147e4ee patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal Bram Moolenaar <Bram@vim.org> parents: 18931 diff changeset	1287 curwin->w_wcol += popup_left_extra(curwin);
22886 38324d4f1c94 patch 8.2.1990: cursor position wrong in terminal popup with finished job Bram Moolenaar <Bram@vim.org> parents: 22782 diff changeset	1288 curwin->w_flags \|= WFLAG_WCOL_OFF_ADDED + WFLAG_WROW_OFF_ADDED;
19542 9e428147e4ee patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal Bram Moolenaar <Bram@vim.org> parents: 18931 diff changeset	1289 }
22886 38324d4f1c94 patch 8.2.1990: cursor position wrong in terminal popup with finished job Bram Moolenaar <Bram@vim.org> parents: 22782 diff changeset	1290 else
38324d4f1c94 patch 8.2.1990: cursor position wrong in terminal popup with finished job Bram Moolenaar <Bram@vim.org> parents: 22782 diff changeset	1291 curwin->w_flags &= ~(WFLAG_WCOL_OFF_ADDED + WFLAG_WROW_OFF_ADDED);
19542 9e428147e4ee patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal Bram Moolenaar <Bram@vim.org> parents: 18931 diff changeset	1292 #endif
740 614e9af68eaa updated for version 7.0222 vimboss parents: 532 diff changeset	1293
18621 a9bfdc5ea1ec patch 8.1.2303: cursor in wrong position after horizontal scroll Bram Moolenaar <Bram@vim.org> parents: 18580 diff changeset	1294 // now w_leftcol is valid, avoid check_cursor_moved() thinking otherwise
a9bfdc5ea1ec patch 8.1.2303: cursor in wrong position after horizontal scroll Bram Moolenaar <Bram@vim.org> parents: 18580 diff changeset	1295 curwin->w_valid_leftcol = curwin->w_leftcol;
a9bfdc5ea1ec patch 8.1.2303: cursor in wrong position after horizontal scroll Bram Moolenaar <Bram@vim.org> parents: 18580 diff changeset	1296
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1297 curwin->w_valid \|= VALID_WCOL\|VALID_WROW\|VALID_VIRTCOL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1298 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1299
18763 49b78d6465e5 patch 8.1.2371: FEAT_TEXT_PROP is a confusing name Bram Moolenaar <Bram@vim.org> parents: 18621 diff changeset	1300 #if (defined(FEAT_EVAL) \|\| defined(FEAT_PROP_POPUP)) \|\| defined(PROTO)
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1301 /*
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1302 * Compute the screen position of text character at "pos" in window "wp"
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1303 * The resulting values are one-based, zero when character is not visible.
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1304 */
17863 08f1dd29550e patch 8.1.1928: popup windows don't move with the text when making changes Bram Moolenaar <Bram@vim.org> parents: 17809 diff changeset	1305 void
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1306 textpos2screenpos(
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1307 win_T *wp,
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1308 pos_T *pos,
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1309 int *rowp, // screen row
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1310 int *scolp, // start screen column
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1311 int *ccolp, // cursor screen column
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1312 int *ecolp) // end screen column
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1313 {
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1314 colnr_T scol = 0, ccol = 0, ecol = 0;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1315 int row = 0;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1316 int rowoff = 0;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1317 colnr_T coloff = 0;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1318
25312 7a254d0705e2 patch 8.2.3193: screenpos() is wrong when 'display' is "lastline" Bram Moolenaar <Bram@vim.org> parents: 25172 diff changeset	1319 if (pos->lnum >= wp->w_topline && pos->lnum <= wp->w_botline)
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1320 {
27726 d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1321 colnr_T off;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1322 colnr_T col;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1323 int width;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1324 linenr_T lnum = pos->lnum;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1325 #ifdef FEAT_FOLDING
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1326 int is_folded;
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1327
27726 d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1328 is_folded = hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL);
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1329 #endif
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1330 row = plines_m_win(wp, wp->w_topline, lnum - 1) + 1;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1331 #ifdef FEAT_FOLDING
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1332 if (is_folded)
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1333 {
27352 2bec1976362c patch 8.2.4204: screenpos() has non-zero row for invisible text Bram Moolenaar <Bram@vim.org> parents: 26771 diff changeset	1334 row += W_WINROW(wp);
27726 d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1335 coloff = wp->w_wincol + 1;
27352 2bec1976362c patch 8.2.4204: screenpos() has non-zero row for invisible text Bram Moolenaar <Bram@vim.org> parents: 26771 diff changeset	1336 }
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1337 else
27726 d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1338 #endif
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1339 {
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1340 getvcol(wp, pos, &scol, &ccol, &ecol);
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1341
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1342 // similar to what is done in validate_cursor_col()
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1343 col = scol;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1344 off = win_col_off(wp);
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1345 col += off;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1346 width = wp->w_width - off + win_col_off2(wp);
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1347
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1348 // long line wrapping, adjust row
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1349 if (wp->w_p_wrap
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1350 && col >= (colnr_T)wp->w_width
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1351 && width > 0)
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1352 {
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1353 // use same formula as what is used in curs_columns()
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1354 rowoff = ((col - wp->w_width) / width + 1);
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1355 col -= rowoff * width;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1356 }
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1357 col -= wp->w_leftcol;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1358 if (col >= wp->w_width)
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1359 col = -1;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1360 if (col >= 0 && row + rowoff <= wp->w_height)
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1361 {
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1362 coloff = col - scol + wp->w_wincol + 1;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1363 row += W_WINROW(wp);
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1364 }
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1365 else
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1366 // character is left, right or below of the window
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1367 row = rowoff = scol = ccol = ecol = 0;
d3ed8b1a7bde patch 8.2.4389: screenpos() does not handle a position in a closed fold Bram Moolenaar <Bram@vim.org> parents: 27352 diff changeset	1368 }
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1369 }
27352 2bec1976362c patch 8.2.4204: screenpos() has non-zero row for invisible text Bram Moolenaar <Bram@vim.org> parents: 26771 diff changeset	1370 *rowp = row + rowoff;
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1371 *scolp = scol + coloff;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1372 *ccolp = ccol + coloff;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1373 *ecolp = ecol + coloff;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1374 }
17863 08f1dd29550e patch 8.1.1928: popup windows don't move with the text when making changes Bram Moolenaar <Bram@vim.org> parents: 17809 diff changeset	1375 #endif
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1376
17863 08f1dd29550e patch 8.1.1928: popup windows don't move with the text when making changes Bram Moolenaar <Bram@vim.org> parents: 17809 diff changeset	1377 #if defined(FEAT_EVAL) \|\| defined(PROTO)
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1378 /*
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1379 * "screenpos({winid}, {lnum}, {col})" function
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1380 */
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1381 void
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1382 f_screenpos(typval_T argvars UNUSED, typval_T rettv)
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1383 {
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1384 dict_T *dict;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1385 win_T *wp;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1386 pos_T pos;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1387 int row = 0;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1388 int scol = 0, ccol = 0, ecol = 0;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1389
29175 755ab148288b patch 8.2.5107: some callers of rettv_list_alloc() check for not OK Bram Moolenaar <Bram@vim.org> parents: 29024 diff changeset	1390 if (rettv_dict_alloc(rettv) == FAIL)
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1391 return;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1392 dict = rettv->vval.v_dict;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1393
25384 e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25312 diff changeset	1394 if (in_vim9script()
e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25312 diff changeset	1395 && (check_for_number_arg(argvars, 0) == FAIL
e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25312 diff changeset	1396 \|\| check_for_number_arg(argvars, 1) == FAIL
e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25312 diff changeset	1397 \|\| check_for_number_arg(argvars, 2) == FAIL))
e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25312 diff changeset	1398 return;
e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25312 diff changeset	1399
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1400 wp = find_win_by_nr_or_id(&argvars[0]);
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1401 if (wp == NULL)
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1402 return;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1403
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1404 pos.lnum = tv_get_number(&argvars[1]);
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1405 pos.col = tv_get_number(&argvars[2]) - 1;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1406 pos.coladd = 0;
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1407 textpos2screenpos(wp, &pos, &row, &scol, &ccol, &ecol);
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1408
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1409 dict_add_number(dict, "row", row);
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1410 dict_add_number(dict, "col", scol);
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1411 dict_add_number(dict, "curscol", ccol);
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1412 dict_add_number(dict, "endcol", ecol);
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1413 }
29024 9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1414
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1415 /*
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1416 * "virtcol2col({winid}, {lnum}, {col})" function
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1417 */
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1418 void
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1419 f_virtcol2col(typval_T argvars UNUSED, typval_T rettv)
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1420 {
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1421 win_T *wp;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1422 linenr_T lnum;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1423 int screencol;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1424 int error = FALSE;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1425
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1426 rettv->vval.v_number = -1;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1427
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1428 if (check_for_number_arg(argvars, 0) == FAIL
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1429 \|\| check_for_number_arg(argvars, 1) == FAIL
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1430 \|\| check_for_number_arg(argvars, 2) == FAIL)
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1431 return;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1432
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1433 wp = find_win_by_nr_or_id(&argvars[0]);
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1434 if (wp == NULL)
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1435 return;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1436
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1437 lnum = tv_get_number_chk(&argvars[1], &error);
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1438 if (error \|\| lnum < 0 \|\| lnum > wp->w_buffer->b_ml.ml_line_count)
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1439 return;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1440
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1441 screencol = tv_get_number_chk(&argvars[2], &error);
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1442 if (error \|\| screencol < 0)
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1443 return;
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1444
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1445 rettv->vval.v_number = vcol2col(wp, lnum, screencol);
9f25e0ed831d patch 8.2.5034: there is no way to get the byte index from a virtual column Bram Moolenaar <Bram@vim.org> parents: 28809 diff changeset	1446 }
17292 8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1447 #endif
8a095d343c59 patch 8.1.1645: cannot use a popup window for a balloon Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	1448
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1449 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1450 * Scroll the current window down by "line_count" logical lines. "CTRL-Y"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1451 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1452 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1453 scrolldown(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1454 long line_count,
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1455 int byfold UNUSED) // TRUE: count a closed fold as one line
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1456 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1457 long done = 0; // total # of physical lines done
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1458 int wrow;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1459 int moved = FALSE;
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1460 int width1 = 0;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1461 int width2 = 0;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1462
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1463 if (curwin->w_p_wrap && curwin->w_p_sms)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1464 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1465 width1 = curwin->w_width - curwin_col_off();
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1466 width2 = width1 - curwin_col_off2();
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1467 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1468
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1469 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1470 linenr_T first;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1471
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1472 // Make sure w_topline is at the first of a sequence of folded lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1473 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1474 #endif
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1475 validate_cursor(); // w_wrow needs to be valid
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1476 while (line_count-- > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1477 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1478 #ifdef FEAT_DIFF
1980 5e0c164fc1c2 updated for version 7.2-277 vimboss parents: 1877 diff changeset	1479 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)
5e0c164fc1c2 updated for version 7.2-277 vimboss parents: 1877 diff changeset	1480 && curwin->w_topfill < curwin->w_height - 1)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1481 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1482 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1483 ++done;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1484 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1485 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1486 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1487 {
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1488 if (curwin->w_topline == 1 && curwin->w_skipcol < width1)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1489 break;
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1490 if (curwin->w_p_wrap && curwin->w_p_sms
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1491 && curwin->w_skipcol >= width1)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1492 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1493 if (curwin->w_skipcol >= width1 + width2)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1494 curwin->w_skipcol -= width2;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1495 else
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1496 curwin->w_skipcol -= width1;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1497 redraw_later(UPD_NOT_VALID);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1498 ++done;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1499 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1500 else
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1501 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1502 --curwin->w_topline;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1503 curwin->w_skipcol = 0;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1504 #ifdef FEAT_DIFF
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1505 curwin->w_topfill = 0;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1506 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1507 #ifdef FEAT_FOLDING
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1508 // A sequence of folded lines only counts for one logical line
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1509 if (hasFolding(curwin->w_topline, &first, NULL))
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1510 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1511 ++done;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1512 if (!byfold)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1513 line_count -= curwin->w_topline - first - 1;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1514 curwin->w_botline -= curwin->w_topline - first;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1515 curwin->w_topline = first;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1516 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1517 else
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1518 #endif
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1519 if (curwin->w_p_wrap && curwin->w_p_sms)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1520 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1521 int size = win_linetabsize(curwin, curwin->w_topline,
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1522 ml_get(curwin->w_topline), (colnr_T)MAXCOL);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1523 if (size > width1)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1524 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1525 curwin->w_skipcol = width1;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1526 size -= width1;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1527 redraw_later(UPD_NOT_VALID);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1528 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1529 while (size > width2)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1530 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1531 curwin->w_skipcol += width2;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1532 size -= width2;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1533 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1534 ++done;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1535 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1536 else
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1537 done += PLINES_NOFILL(curwin->w_topline);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1538 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1539 }
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1540 --curwin->w_botline; // approximate w_botline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1541 invalidate_botline();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1542 }
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1543 curwin->w_wrow += done; // keep w_wrow updated
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1544 curwin->w_cline_row += done; // keep w_cline_row updated
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1545
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1546 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1547 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1548 curwin->w_cline_row = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1549 check_topfill(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1550 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1551
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1552 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1553 * Compute the row number of the last row of the cursor line
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1554 * and move the cursor onto the displayed part of the window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1555 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1556 wrow = curwin->w_wrow;
12477 68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs Christian Brabandt <cb@256bit.org> parents: 12152 diff changeset	1557 if (curwin->w_p_wrap && curwin->w_width != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1558 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1559 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1560 validate_cheight();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1561 wrow += curwin->w_cline_height - 1 -
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	1562 curwin->w_virtcol / curwin->w_width;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1563 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1564 while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1565 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1566 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1567 if (hasFolding(curwin->w_cursor.lnum, &first, NULL))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1568 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1569 --wrow;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1570 if (first == 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1571 curwin->w_cursor.lnum = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1572 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1573 curwin->w_cursor.lnum = first - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1574 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1575 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1576 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1577 wrow -= plines(curwin->w_cursor.lnum--);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1578 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1579 ~(VALID_WROW\|VALID_WCOL\|VALID_CHEIGHT\|VALID_CROW\|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1580 moved = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1581 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1582 if (moved)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1583 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1584 #ifdef FEAT_FOLDING
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1585 // Move cursor to first line of closed fold.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1586 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1587 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1588 coladvance(curwin->w_curswant);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1589 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1590 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1591
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1592 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1593 * Scroll the current window up by "line_count" logical lines. "CTRL-E"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1594 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1595 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1596 scrollup(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1597 long line_count,
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1598 int byfold UNUSED) // TRUE: count a closed fold as one line
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1599 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1600 #if defined(FEAT_FOLDING) \|\| defined(FEAT_DIFF)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1601 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1602
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1603 if (
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1604 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1605 (byfold && hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1606 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1607 \|\|
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1608 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1609 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1610 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1611 curwin->w_p_diff
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1612 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1613 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1614 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1615 // count each sequence of folded lines as one logical line
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1616 lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1617 while (line_count--)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1618 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1619 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1620 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1621 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1622 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1623 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1624 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1625 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1626 if (byfold)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1627 (void)hasFolding(lnum, NULL, &lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1628 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1629 if (lnum >= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1630 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1631 ++lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1632 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1633 curwin->w_topfill = diff_check_fill(curwin, lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1634 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1635 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1636 }
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1637 // approximate w_botline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1638 curwin->w_botline += lnum - curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1639 curwin->w_topline = lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1640 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1641 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1642 #endif
30610 6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1643 if (curwin->w_p_wrap && curwin->w_p_sms)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1644 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1645 int off1 = curwin_col_off();
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1646 int off2 = off1 + curwin_col_off2();
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1647 int add;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1648 int size = win_linetabsize(curwin, curwin->w_topline,
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1649 ml_get(curwin->w_topline), (colnr_T)MAXCOL);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1650 linenr_T prev_topline = curwin->w_topline;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1651
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1652 // 'smoothscroll': increase "w_skipcol" until it goes over the end of
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1653 // the line, then advance to the next line.
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1654 for (int todo = line_count; todo > 0; --todo)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1655 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1656 add = curwin->w_width - (curwin->w_skipcol > 0 ? off2 : off1);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1657 curwin->w_skipcol += add;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1658 if (curwin->w_skipcol >= size)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1659 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1660 if (curwin->w_topline == curbuf->b_ml.ml_line_count)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1661 {
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1662 curwin->w_skipcol -= add;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1663 break;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1664 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1665 ++curwin->w_topline;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1666 ++curwin->w_botline; // approximate w_botline
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1667 curwin->w_skipcol = 0;
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1668 if (todo > 1)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1669 size = win_linetabsize(curwin, curwin->w_topline,
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1670 ml_get(curwin->w_topline), (colnr_T)MAXCOL);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1671 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1672 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1673 if (curwin->w_topline == prev_topline)
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1674 // need to redraw even though w_topline didn't change
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1675 redraw_later(UPD_NOT_VALID);
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1676 }
6c6ac189a05f patch 9.0.0640: cannot scroll by screen line if a line wraps Bram Moolenaar <Bram@vim.org> parents: 30491 diff changeset	1677 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1678 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1679 curwin->w_topline += line_count;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1680 curwin->w_botline += line_count; // approximate w_botline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1681 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1682
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1683 if (curwin->w_topline > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1684 curwin->w_topline = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1685 if (curwin->w_botline > curbuf->b_ml.ml_line_count + 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1686 curwin->w_botline = curbuf->b_ml.ml_line_count + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1687
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1688 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1689 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1690 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1691
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1692 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1693 if (hasAnyFolding(curwin))
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1694 // Make sure w_topline is at the first of a sequence of folded lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1695 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1696 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1697
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1698 curwin->w_valid &= ~(VALID_WROW\|VALID_CROW\|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1699 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1700 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1701 curwin->w_cursor.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1702 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1703 ~(VALID_WROW\|VALID_WCOL\|VALID_CHEIGHT\|VALID_CROW\|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1704 coladvance(curwin->w_curswant);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1705 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1706 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1707
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1708 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1709 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1710 * Don't end up with too many filler lines in the window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1711 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1712 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1713 check_topfill(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1714 win_T *wp,
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1715 int down) // when TRUE scroll down when not enough space
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1716 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1717 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1718
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1719 if (wp->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1720 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1721 n = plines_win_nofill(wp, wp->w_topline, TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1722 if (wp->w_topfill + n > wp->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1723 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1724 if (down && wp->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1725 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1726 --wp->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1727 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1728 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1729 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1730 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1731 wp->w_topfill = wp->w_height - n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1732 if (wp->w_topfill < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1733 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1734 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1735 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1736 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1737 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1738
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1739 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1740 * Use as many filler lines as possible for w_topline. Make sure w_topline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1741 * is still visible.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1742 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1743 static void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1744 max_topfill(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1745 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1746 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1747
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1748 n = plines_nofill(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1749 if (n >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1750 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1751 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1752 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1753 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1754 if (curwin->w_topfill + n > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1755 curwin->w_topfill = curwin->w_height - n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1756 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1757 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1758 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1759
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1760 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1761 * Scroll the screen one line down, but don't do it if it would move the
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1762 * cursor off the screen.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1763 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1764 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1765 scrolldown_clamp(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1766 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1767 int end_row;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1768 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1769 int can_fill = (curwin->w_topfill
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1770 < diff_check_fill(curwin, curwin->w_topline));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1771 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1772
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1773 if (curwin->w_topline <= 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1774 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1775 && !can_fill
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1776 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1777 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1778 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1779
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1780 validate_cursor(); // w_wrow needs to be valid
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1781
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1782 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1783 * Compute the row number of the last row of the cursor line
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1784 * and make sure it doesn't go off the screen. Make sure the cursor
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1785 * doesn't go past 'scrolloff' lines from the screen end.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1786 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1787 end_row = curwin->w_wrow;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1788 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1789 if (can_fill)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1790 ++end_row;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1791 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1792 end_row += plines_nofill(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1793 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1794 end_row += plines(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1795 #endif
12477 68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs Christian Brabandt <cb@256bit.org> parents: 12152 diff changeset	1796 if (curwin->w_p_wrap && curwin->w_width != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1797 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1798 validate_cheight();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1799 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1800 end_row += curwin->w_cline_height - 1 -
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	1801 curwin->w_virtcol / curwin->w_width;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1802 }
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1803 if (end_row < curwin->w_height - get_scrolloff_value())
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1804 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1805 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1806 if (can_fill)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1807 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1808 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1809 check_topfill(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1810 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1811 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1812 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1813 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1814 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1815 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1816 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1817 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1818 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1819 #ifdef FEAT_FOLDING
7009 286fd54c7ae3 patch 7.4.822 Bram Moolenaar <bram@vim.org> parents: 6689 diff changeset	1820 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1821 #endif
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1822 --curwin->w_botline; // approximate w_botline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1823 curwin->w_valid &= ~(VALID_WROW\|VALID_CROW\|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1824 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1825 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1826
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1827 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1828 * Scroll the screen one line up, but don't do it if it would move the cursor
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1829 * off the screen.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1830 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1831 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1832 scrollup_clamp(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1833 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1834 int start_row;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1835
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1836 if (curwin->w_topline == curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1837 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1838 && curwin->w_topfill == 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1839 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1840 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1841 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1842
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1843 validate_cursor(); // w_wrow needs to be valid
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1844
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1845 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1846 * Compute the row number of the first row of the cursor line
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1847 * and make sure it doesn't go off the screen. Make sure the cursor
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1848 * doesn't go before 'scrolloff' lines from the screen start.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1849 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1850 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1851 start_row = curwin->w_wrow - plines_nofill(curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1852 - curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1853 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1854 start_row = curwin->w_wrow - plines(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1855 #endif
12477 68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs Christian Brabandt <cb@256bit.org> parents: 12152 diff changeset	1856 if (curwin->w_p_wrap && curwin->w_width != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1857 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1858 validate_virtcol();
12515 972ea22c946f patch 8.0.1136: W_WIDTH() is always the same Christian Brabandt <cb@256bit.org> parents: 12477 diff changeset	1859 start_row -= curwin->w_virtcol / curwin->w_width;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1860 }
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	1861 if (start_row >= get_scrolloff_value())
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1862 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1863 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1864 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1865 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1866 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1867 #endif
36 125e80798a85 updated for version 7.0021 vimboss parents: 13 diff changeset	1868 {
125e80798a85 updated for version 7.0021 vimboss parents: 13 diff changeset	1869 #ifdef FEAT_FOLDING
125e80798a85 updated for version 7.0021 vimboss parents: 13 diff changeset	1870 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline);
125e80798a85 updated for version 7.0021 vimboss parents: 13 diff changeset	1871 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1872 ++curwin->w_topline;
36 125e80798a85 updated for version 7.0021 vimboss parents: 13 diff changeset	1873 }
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1874 ++curwin->w_botline; // approximate w_botline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1875 curwin->w_valid &= ~(VALID_WROW\|VALID_CROW\|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1876 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1877 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1878
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1879 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1880 * Add one line above "lp->lnum". This can be a filler line, a closed fold or
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1881 * a (wrapped) text line. Uses and sets "lp->fill".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1882 * Returns the height of the added line in "lp->height".
2082 8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	1883 * Lines above the first one are incredibly high: MAXCOL.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1884 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1885 static void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1886 topline_back(lineoff_T *lp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1887 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1888 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1889 if (lp->fill < diff_check_fill(curwin, lp->lnum))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1890 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1891 // Add a filler line.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1892 ++lp->fill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1893 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1894 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1895 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1896 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1897 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1898 --lp->lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1899 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1900 lp->fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1901 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1902 if (lp->lnum < 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1903 lp->height = MAXCOL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1904 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1905 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1906 if (hasFolding(lp->lnum, &lp->lnum, NULL))
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1907 // Add a closed fold
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1908 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1909 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1910 #endif
7103 84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425 Christian Brabandt <cb@256bit.org> parents: 7088 diff changeset	1911 lp->height = PLINES_NOFILL(lp->lnum);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1912 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1913 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1914
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1915 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1916 * Add one line below "lp->lnum". This can be a filler line, a closed fold or
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1917 * a (wrapped) text line. Uses and sets "lp->fill".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1918 * Returns the height of the added line in "lp->height".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1919 * Lines below the last one are incredibly high.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1920 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1921 static void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1922 botline_forw(lineoff_T *lp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1923 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1924 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1925 if (lp->fill < diff_check_fill(curwin, lp->lnum + 1))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1926 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1927 // Add a filler line.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1928 ++lp->fill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1929 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1930 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1931 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1932 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1933 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1934 ++lp->lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1935 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1936 lp->fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1937 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1938 if (lp->lnum > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1939 lp->height = MAXCOL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1940 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1941 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1942 if (hasFolding(lp->lnum, NULL, &lp->lnum))
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1943 // Add a closed fold
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1944 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1945 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1946 #endif
7103 84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425 Christian Brabandt <cb@256bit.org> parents: 7088 diff changeset	1947 lp->height = PLINES_NOFILL(lp->lnum);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1948 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1949 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1950
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1951 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1952 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1953 * Switch from including filler lines below lp->lnum to including filler
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1954 * lines above loff.lnum + 1. This keeps pointing to the same line.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1955 * When there are no filler lines nothing changes.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1956 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1957 static void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1958 botline_topline(lineoff_T *lp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1959 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1960 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1961 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1962 ++lp->lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1963 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1964 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1965 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1966
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1967 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1968 * Switch from including filler lines above lp->lnum to including filler
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1969 * lines below loff.lnum - 1. This keeps pointing to the same line.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1970 * When there are no filler lines nothing changes.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1971 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1972 static void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1973 topline_botline(lineoff_T *lp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1974 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1975 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1976 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1977 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1978 --lp->lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1979 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1980 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1981 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1982
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1983 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1984 * Recompute topline to put the cursor at the top of the window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1985 * Scroll at least "min_scroll" lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1986 * If "always" is TRUE, always set topline (for "zt").
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1987 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1988 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	1989 scroll_cursor_top(int min_scroll, int always)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1990 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1991 int scrolled = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1992 int extra = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1993 int used;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1994 int i;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1995 linenr_T top; // just above displayed lines
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	1996 linenr_T bot; // just below displayed lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1997 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1998 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1999 linenr_T old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2000 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2001 linenr_T new_topline;
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	2002 int off = get_scrolloff_value();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2003
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2004 if (mouse_dragging > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2005 off = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2006
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2007 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2008 * Decrease topline until:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2009 * - it has become 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2010 * - (part of) the cursor line is moved off the screen or
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2011 * - moved at least 'scrolljump' lines and
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2012 * - at least 'scrolloff' lines above and below the cursor
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2013 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2014 validate_cheight();
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2015 used = curwin->w_cline_height; // includes filler lines above
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2016 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2017 scrolled = used;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2018
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2019 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2020 if (hasFolding(curwin->w_cursor.lnum, &top, &bot))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2021 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2022 --top;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2023 ++bot;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2024 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2025 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2026 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2027 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2028 top = curwin->w_cursor.lnum - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2029 bot = curwin->w_cursor.lnum + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2030 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2031 new_topline = top + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2032
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2033 #ifdef FEAT_DIFF
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2034 // "used" already contains the number of filler lines above, don't add it
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2035 // again.
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2036 // Hide filler lines above cursor line by adding them to "extra".
7088 8a58dde655a8 commit https://github.com/vim/vim/commit/a09a2c5857ab854f0870573b5160da1964c905a2 Christian Brabandt <cb@256bit.org> parents: 7082 diff changeset	2037 extra += diff_check_fill(curwin, curwin->w_cursor.lnum);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2038 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2039
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2040 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2041 * Check if the lines from "top" to "bot" fit in the window. If they do,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2042 * set new_topline and advance "top" and "bot" to include more lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2043 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2044 while (top > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2045 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2046 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2047 if (hasFolding(top, &top, NULL))
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2048 // count one logical line for a sequence of folded lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2049 i = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2050 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2051 #endif
7103 84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425 Christian Brabandt <cb@256bit.org> parents: 7088 diff changeset	2052 i = PLINES_NOFILL(top);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2053 used += i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2054 if (extra + i <= off && bot < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2055 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2056 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2057 if (hasFolding(bot, NULL, &bot))
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2058 // count one logical line for a sequence of folded lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2059 ++used;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2060 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2061 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2062 used += plines(bot);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2063 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2064 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2065 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2066 if (top < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2067 scrolled += i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2068
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2069 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2070 * If scrolling is needed, scroll at least 'sj' lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2071 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2072 if ((new_topline >= curwin->w_topline \|\| scrolled > min_scroll)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2073 && extra >= off)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2074 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2075
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2076 extra += i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2077 new_topline = top;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2078 --top;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2079 ++bot;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2080 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2081
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2082 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2083 * If we don't have enough space, put cursor in the middle.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2084 * This makes sure we get the same position when using "k" and "j"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2085 * in a small window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2086 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2087 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2088 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2089 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2090 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2091 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2092 * If "always" is FALSE, only adjust topline to a lower value, higher
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2093 * value may happen with wrapping lines
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2094 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2095 if (new_topline < curwin->w_topline \|\| always)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2096 curwin->w_topline = new_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2097 if (curwin->w_topline > curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2098 curwin->w_topline = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2099 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2100 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2101 if (curwin->w_topfill > 0 && extra > off)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2102 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2103 curwin->w_topfill -= extra - off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2104 if (curwin->w_topfill < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2105 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2106 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2107 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2108 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2109 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2110 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2111 \|\| curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2112 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2113 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2114 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2115 ~(VALID_WROW\|VALID_CROW\|VALID_BOTLINE\|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2116 curwin->w_valid \|= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2117 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2118 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2119
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2120 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2121 * Set w_empty_rows and w_filler_rows for window "wp", having used up "used"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2122 * screen lines for text lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2123 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2124 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	2125 set_empty_rows(win_T *wp, int used)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2126 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2127 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2128 wp->w_filler_rows = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2129 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2130 if (used == 0)
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2131 wp->w_empty_rows = 0; // single line that doesn't fit
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2132 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2133 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2134 wp->w_empty_rows = wp->w_height - used;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2135 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2136 if (wp->w_botline <= wp->w_buffer->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2137 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2138 wp->w_filler_rows = diff_check_fill(wp, wp->w_botline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2139 if (wp->w_empty_rows > wp->w_filler_rows)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2140 wp->w_empty_rows -= wp->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2141 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2142 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2143 wp->w_filler_rows = wp->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2144 wp->w_empty_rows = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2145 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2146 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2147 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2148 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2149 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2150
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2151 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2152 * Recompute topline to put the cursor at the bottom of the window.
29239 da56650de132 patch 8.2.5138: various small issues Bram Moolenaar <Bram@vim.org> parents: 29175 diff changeset	2153 * When scrolling scroll at least "min_scroll" lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2154 * If "set_topbot" is TRUE, set topline and botline first (for "zb").
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2155 * This is messy stuff!!!
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2156 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2157 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	2158 scroll_cursor_bot(int min_scroll, int set_topbot)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2159 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2160 int used;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2161 int scrolled = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2162 int extra = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2163 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2164 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2165 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2166 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2167 lineoff_T boff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2168 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2169 int old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2170 int fill_below_window;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2171 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2172 linenr_T old_botline = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2173 linenr_T old_valid = curwin->w_valid;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2174 int old_empty_rows = curwin->w_empty_rows;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2175 linenr_T cln; // Cursor Line Number
28809 d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 28782 diff changeset	2176 long so = get_scrolloff_value();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2177
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2178 cln = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2179 if (set_topbot)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2180 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2181 used = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2182 curwin->w_botline = cln + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2183 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2184 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2185 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2186 for (curwin->w_topline = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2187 curwin->w_topline > 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2188 curwin->w_topline = loff.lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2189 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2190 loff.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2191 topline_back(&loff);
2082 8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2192 if (loff.height == MAXCOL \|\| used + loff.height > curwin->w_height)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2193 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2194 used += loff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2195 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2196 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2197 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2198 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2199 set_empty_rows(curwin, used);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2200 curwin->w_valid \|= VALID_BOTLINE\|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2201 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2202 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2203 \|\| curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2204 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2205 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2206 curwin->w_valid &= ~(VALID_WROW\|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2207 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2208 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2209 validate_botline();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2210
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2211 // The lines of the cursor line itself are always used.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2212 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2213 used = plines_nofill(cln);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2214 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2215 validate_cheight();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2216 used = curwin->w_cline_height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2217 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2218
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2219 // If the cursor is below botline, we will at least scroll by the height
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2220 // of the cursor line. Correct for empty lines, which are really part of
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2221 // botline.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2222 if (cln >= curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2223 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2224 scrolled = used;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2225 if (cln == curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2226 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2227 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2228
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2229 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2230 * Stop counting lines to scroll when
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2231 * - hitting start of the file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2232 * - scrolled nothing or at least 'sj' lines
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	2233 * - at least 'scrolloff' lines below the cursor
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2234 * - lines between botline and cursor have been counted
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2235 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2236 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2237 if (!hasFolding(curwin->w_cursor.lnum, &loff.lnum, &boff.lnum))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2238 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2239 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2240 loff.lnum = cln;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2241 boff.lnum = cln;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2242 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2243 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2244 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2245 boff.fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2246 fill_below_window = diff_check_fill(curwin, curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2247 - curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2248 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2249
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2250 while (loff.lnum > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2251 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2252 // Stop when scrolled nothing or at least "min_scroll", found "extra"
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2253 // context for 'scrolloff' and counted all lines below the window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2254 if ((((scrolled <= 0 \|\| scrolled >= min_scroll)
18354 9f51d0cef8da patch 8.1.2171: mouse support not always available Bram Moolenaar <Bram@vim.org> parents: 17863 diff changeset	2255 && extra >= (mouse_dragging > 0 ? mouse_dragging - 1 : so))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2256 \|\| boff.lnum + 1 > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2257 && loff.lnum <= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2258 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2259 && (loff.lnum < curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2260 \|\| loff.fill >= fill_below_window)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2261 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2262 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2263 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2264
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2265 // Add one line above
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2266 topline_back(&loff);
2082 8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2267 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2268 used = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2269 else
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2270 used += loff.height;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2271 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2272 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2273 if (loff.lnum >= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2274 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2275 && (loff.lnum > curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2276 \|\| loff.fill <= fill_below_window)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2277 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2278 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2279 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2280 // Count screen lines that are below the window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2281 scrolled += loff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2282 if (loff.lnum == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2283 #ifdef FEAT_DIFF
15064 7b2dcca9e0c1 patch 8.1.0543: Coverity warns for leaking memory and using wrong struct Bram Moolenaar <Bram@vim.org> parents: 14873 diff changeset	2284 && loff.fill == 0
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2285 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2286 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2287 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2288 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2289
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2290 if (boff.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2291 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2292 // Add one line below
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2293 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2294 used += boff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2295 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2296 break;
18354 9f51d0cef8da patch 8.1.2171: mouse support not always available Bram Moolenaar <Bram@vim.org> parents: 17863 diff changeset	2297 if (extra < ( mouse_dragging > 0 ? mouse_dragging - 1 : so)
9f51d0cef8da patch 8.1.2171: mouse support not always available Bram Moolenaar <Bram@vim.org> parents: 17863 diff changeset	2298 \|\| scrolled < min_scroll)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2299 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2300 extra += boff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2301 if (boff.lnum >= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2302 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2303 \|\| (boff.lnum + 1 == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2304 && boff.fill > curwin->w_filler_rows)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2305 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2306 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2307 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2308 // Count screen lines that are below the window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2309 scrolled += boff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2310 if (boff.lnum == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2311 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2312 && boff.fill == 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2313 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2314 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2315 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2316 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2317 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2318 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2319 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2320
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2321 // curwin->w_empty_rows is larger, no need to scroll
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2322 if (scrolled <= 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2323 line_count = 0;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2324 // more than a screenfull, don't scroll but redraw
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2325 else if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2326 line_count = used;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2327 // scroll minimal number of lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2328 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2329 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2330 line_count = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2331 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2332 boff.fill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2333 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2334 boff.lnum = curwin->w_topline - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2335 for (i = 0; i < scrolled && boff.lnum < curwin->w_botline; )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2336 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2337 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2338 i += boff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2339 ++line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2340 }
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2341 if (i < scrolled) // below curwin->w_botline, don't scroll
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2342 line_count = 9999;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2343 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2344
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2345 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2346 * Scroll up if the cursor is off the bottom of the screen a bit.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2347 * Otherwise put it at 1/2 of the screen.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2348 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2349 if (line_count >= curwin->w_height && line_count > min_scroll)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2350 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2351 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2352 scrollup(line_count, TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2353
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2354 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2355 * If topline didn't change we need to restore w_botline and w_empty_rows
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2356 * (we changed them).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2357 * If topline did change, update_screen() will set botline.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2358 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2359 if (curwin->w_topline == old_topline && set_topbot)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2360 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2361 curwin->w_botline = old_botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2362 curwin->w_empty_rows = old_empty_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2363 curwin->w_valid = old_valid;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2364 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2365 curwin->w_valid \|= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2366 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2367
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2368 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2369 * Recompute topline to put the cursor halfway the window
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2370 * If "atend" is TRUE, also put it halfway at the end of the file.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2371 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2372 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	2373 scroll_cursor_halfway(int atend)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2374 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2375 int above = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2376 linenr_T topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2377 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2378 int topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2379 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2380 int below = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2381 int used;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2382 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2383 lineoff_T boff;
5661 df3b0b70d8c1 updated for version 7.4.177 Bram Moolenaar <bram@vim.org> parents: 5653 diff changeset	2384 #ifdef FEAT_DIFF
5653 233ad7b960d0 updated for version 7.4.173 Bram Moolenaar <bram@vim.org> parents: 3968 diff changeset	2385 linenr_T old_topline = curwin->w_topline;
5661 df3b0b70d8c1 updated for version 7.4.177 Bram Moolenaar <bram@vim.org> parents: 5653 diff changeset	2386 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2387
22403 3351d2cd3f1f patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set Bram Moolenaar <Bram@vim.org> parents: 21321 diff changeset	2388 #ifdef FEAT_PROP_POPUP
3351d2cd3f1f patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set Bram Moolenaar <Bram@vim.org> parents: 21321 diff changeset	2389 // if the width changed this needs to be updated first
3351d2cd3f1f patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set Bram Moolenaar <Bram@vim.org> parents: 21321 diff changeset	2390 may_update_popup_position();
3351d2cd3f1f patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set Bram Moolenaar <Bram@vim.org> parents: 21321 diff changeset	2391 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2392 loff.lnum = boff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2393 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2394 (void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2395 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2396 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2397 used = plines_nofill(loff.lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2398 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2399 boff.fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2400 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2401 used = plines(loff.lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2402 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2403 topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2404 while (topline > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2405 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2406 if (below <= above) // add a line below the cursor first
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2407 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2408 if (boff.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2409 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2410 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2411 used += boff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2412 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2413 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2414 below += boff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2415 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2416 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2417 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2418 ++below; // count a "~" line
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2419 if (atend)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2420 ++used;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2421 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2422 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2423
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2424 if (below > above) // add a line above the cursor
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2425 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2426 topline_back(&loff);
2082 8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2427 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2428 used = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2429 else
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2430 used += loff.height;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2431 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2432 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2433 above += loff.height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2434 topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2435 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2436 topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2437 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2438 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2439 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2440 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2441 if (!hasFolding(topline, &curwin->w_topline, NULL))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2442 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2443 curwin->w_topline = topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2444 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2445 curwin->w_topfill = topfill;
5653 233ad7b960d0 updated for version 7.4.173 Bram Moolenaar <bram@vim.org> parents: 3968 diff changeset	2446 if (old_topline > curwin->w_topline + curwin->w_height)
233ad7b960d0 updated for version 7.4.173 Bram Moolenaar <bram@vim.org> parents: 3968 diff changeset	2447 curwin->w_botfill = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2448 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2449 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2450 curwin->w_valid &= ~(VALID_WROW\|VALID_CROW\|VALID_BOTLINE\|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2451 curwin->w_valid \|= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2452 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2453
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2454 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2455 * Correct the cursor position so that it is in a part of the screen at least
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	2456 * 'scrolloff' lines from the top and bottom, if possible.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2457 * If not possible, put it at the same position as scroll_cursor_halfway().
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2458 * When called topline must be valid!
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2459 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2460 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	2461 cursor_correct(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2462 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2463 int above = 0; // screen lines above topline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2464 linenr_T topline;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2465 int below = 0; // screen lines below botline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2466 linenr_T botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2467 int above_wanted, below_wanted;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2468 linenr_T cln; // Cursor Line Number
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2469 int max_off;
28809 d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 28782 diff changeset	2470 long so = get_scrolloff_value();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2471
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2472 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2473 * How many lines we would like to have above/below the cursor depends on
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2474 * whether the first/last line of the file is on screen.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2475 */
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	2476 above_wanted = so;
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	2477 below_wanted = so;
1121 e63691e7c504 updated for version 7.1a vimboss parents: 752 diff changeset	2478 if (mouse_dragging > 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2479 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2480 above_wanted = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2481 below_wanted = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2482 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2483 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2484 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2485 above_wanted = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2486 max_off = curwin->w_height / 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2487 if (below_wanted > max_off)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2488 below_wanted = max_off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2489 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2490 validate_botline();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2491 if (curwin->w_botline == curbuf->b_ml.ml_line_count + 1
18354 9f51d0cef8da patch 8.1.2171: mouse support not always available Bram Moolenaar <Bram@vim.org> parents: 17863 diff changeset	2492 && mouse_dragging == 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2493 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2494 below_wanted = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2495 max_off = (curwin->w_height - 1) / 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2496 if (above_wanted > max_off)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2497 above_wanted = max_off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2498 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2499
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2500 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2501 * If there are sufficient file-lines above and below the cursor, we can
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2502 * return now.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2503 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2504 cln = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2505 if (cln >= curwin->w_topline + above_wanted
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2506 && cln < curwin->w_botline - below_wanted
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2507 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2508 && !hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2509 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2510 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2511 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2512
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2513 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2514 * Narrow down the area where the cursor can be put by taking lines from
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2515 * the top and the bottom until:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2516 * - the desired context lines are found
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2517 * - the lines from the top is past the lines from the bottom
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2518 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2519 topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2520 botline = curwin->w_botline - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2521 #ifdef FEAT_DIFF
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2522 // count filler lines as context
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2523 above = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2524 below = curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2525 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2526 while ((above < above_wanted \|\| below < below_wanted) && topline < botline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2527 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2528 if (below < below_wanted && (below <= above \|\| above >= above_wanted))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2529 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2530 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2531 if (hasFolding(botline, &botline, NULL))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2532 ++below;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2533 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2534 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2535 below += plines(botline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2536 --botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2537 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2538 if (above < above_wanted && (above < below \|\| below >= below_wanted))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2539 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2540 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2541 if (hasFolding(topline, NULL, &topline))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2542 ++above;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2543 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2544 #endif
7103 84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425 Christian Brabandt <cb@256bit.org> parents: 7088 diff changeset	2545 above += PLINES_NOFILL(topline);
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425 Christian Brabandt <cb@256bit.org> parents: 7088 diff changeset	2546 #ifdef FEAT_DIFF
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2547 // Count filler lines below this line as context.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2548 if (topline < botline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2549 above += diff_check_fill(curwin, topline + 1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2550 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2551 ++topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2552 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2553 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2554 if (topline == botline \|\| botline == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2555 curwin->w_cursor.lnum = topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2556 else if (topline > botline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2557 curwin->w_cursor.lnum = botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2558 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2559 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2560 if (cln < topline && curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2561 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2562 curwin->w_cursor.lnum = topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2563 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2564 ~(VALID_WROW\|VALID_WCOL\|VALID_CHEIGHT\|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2565 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2566 if (cln > botline && curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2567 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2568 curwin->w_cursor.lnum = botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2569 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2570 ~(VALID_WROW\|VALID_WCOL\|VALID_CHEIGHT\|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2571 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2572 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2573 curwin->w_valid \|= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2574 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2575
7803 37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713 Christian Brabandt <cb@256bit.org> parents: 7103 diff changeset	2576 static void get_scroll_overlap(lineoff_T *lp, int dir);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2577
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2578 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2579 * move screen 'count' pages up or down and update screen
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2580 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2581 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2582 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2583 int
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	2584 onepage(int dir, long count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2585 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2586 long n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2587 int retval = OK;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2588 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2589 linenr_T old_topline = curwin->w_topline;
28809 d0241e74bfdb patch 8.2.4928: various white space and cosmetic mistakes Bram Moolenaar <Bram@vim.org> parents: 28782 diff changeset	2590 long so = get_scrolloff_value();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2591
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2592 if (curbuf->b_ml.ml_line_count == 1) // nothing to do
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2593 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2594 beep_flush();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2595 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2596 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2597
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2598 for ( ; count > 0; --count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2599 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2600 validate_botline();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2601 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2602 * It's an error to move a page up when the first line is already on
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2603 * the screen. It's an error to move a page down when the last line
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2604 * is on the screen and the topline is 'scrolloff' lines from the
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2605 * last line.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2606 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2607 if (dir == FORWARD
15713 ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff' Bram Moolenaar <Bram@vim.org> parents: 15697 diff changeset	2608 ? ((curwin->w_topline >= curbuf->b_ml.ml_line_count - so)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2609 && curwin->w_botline > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2610 : (curwin->w_topline == 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2611 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2612 && curwin->w_topfill ==
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2613 diff_check_fill(curwin, curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2614 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2615 ))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2616 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2617 beep_flush();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2618 retval = FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2619 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2620 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2621
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2622 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2623 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2624 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2625 if (dir == FORWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2626 {
10349 cf988222b150 commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660 Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	2627 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2628 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2629 // Vi compatible scrolling
164 8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2630 if (p_window <= 2)
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2631 ++curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2632 else
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2633 curwin->w_topline += p_window - 2;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2634 if (curwin->w_topline > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2635 curwin->w_topline = curbuf->b_ml.ml_line_count;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2636 curwin->w_cursor.lnum = curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2637 }
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2638 else if (curwin->w_botline > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2639 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2640 // at end of file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2641 curwin->w_topline = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2642 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2643 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2644 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2645 curwin->w_valid &= ~(VALID_WROW\|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2646 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2647 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2648 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2649 // For the overlap, start with the line just below the window
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2650 // and go upwards.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2651 loff.lnum = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2652 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2653 loff.fill = diff_check_fill(curwin, loff.lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2654 - curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2655 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2656 get_scroll_overlap(&loff, -1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2657 curwin->w_topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2658 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2659 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2660 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2661 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2662 curwin->w_cursor.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2663 curwin->w_valid &= ~(VALID_WCOL\|VALID_CHEIGHT\|VALID_WROW\|
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2664 VALID_CROW\|VALID_BOTLINE\|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2665 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2666 }
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2667 else // dir == BACKWARDS
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2668 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2669 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2670 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2671 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2672 // Include max number of filler lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2673 max_topfill();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2674 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2675 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2676 #endif
10349 cf988222b150 commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660 Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	2677 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1)
164 8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2678 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2679 // Vi compatible scrolling (sort of)
164 8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2680 if (p_window <= 2)
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2681 --curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2682 else
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2683 curwin->w_topline -= p_window - 2;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2684 if (curwin->w_topline < 1)
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2685 curwin->w_topline = 1;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2686 curwin->w_cursor.lnum = curwin->w_topline + p_window - 1;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2687 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2688 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2689 continue;
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2690 }
8b0ee9d57d7f updated for version 7.0050 vimboss parents: 161 diff changeset	2691
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2692 // Find the line at the top of the window that is going to be the
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2693 // line at the bottom of the window. Make sure this results in
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2694 // the same line as before doing CTRL-F.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2695 loff.lnum = curwin->w_topline - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2696 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2697 loff.fill = diff_check_fill(curwin, loff.lnum + 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2698 - curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2699 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2700 get_scroll_overlap(&loff, 1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2701
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2702 if (loff.lnum >= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2703 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2704 loff.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2705 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2706 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2707 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2708 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2709 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2710 botline_topline(&loff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2711 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2712 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2713 curwin->w_cursor.lnum = loff.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2714
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2715 // Find the line just above the new topline to get the right line
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2716 // at the bottom of the window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2717 n = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2718 while (n <= curwin->w_height && loff.lnum >= 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2719 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2720 topline_back(&loff);
2082 8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2721 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2722 n = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2723 else
8ca3c9ad0bee updated for version 7.2.366 Bram Moolenaar <bram@zimbu.org> parents: 2070 diff changeset	2724 n += loff.height;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2725 }
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2726 if (loff.lnum < 1) // at begin of file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2727 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2728 curwin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2729 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2730 max_topfill();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2731 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2732 curwin->w_valid &= ~(VALID_WROW\|VALID_CROW\|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2733 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2734 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2735 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2736 // Go two lines forward again.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2737 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2738 topline_botline(&loff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2739 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2740 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2741 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2742 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2743 botline_topline(&loff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2744 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2745 #ifdef FEAT_FOLDING
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2746 // We're at the wrong end of a fold now.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2747 (void)hasFolding(loff.lnum, &loff.lnum, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2748 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2749
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2750 // Always scroll at least one line. Avoid getting stuck on
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2751 // very long lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2752 if (loff.lnum >= curwin->w_topline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2753 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2754 && (loff.lnum > curwin->w_topline
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2755 \|\| loff.fill >= curwin->w_topfill)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2756 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2757 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2758 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2759 #ifdef FEAT_DIFF
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2760 // First try using the maximum number of filler lines. If
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2761 // that's not enough, backup one line.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2762 loff.fill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2763 if (curwin->w_topfill < diff_check_fill(curwin,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2764 curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2765 max_topfill();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2766 if (curwin->w_topfill == loff.fill)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2767 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2768 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2769 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2770 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2771 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2772 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2773 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2774 comp_botline(curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2775 curwin->w_cursor.lnum = curwin->w_botline - 1;
5764 b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	2776 curwin->w_valid &=
b650f2db8f96 updated for version 7.4.226 Bram Moolenaar <bram@vim.org> parents: 5749 diff changeset	2777 ~(VALID_WCOL\|VALID_CHEIGHT\|VALID_WROW\|VALID_CROW);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2778 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2779 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2780 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2781 curwin->w_topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2782 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2783 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2784 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2785 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2786 curwin->w_valid &= ~(VALID_WROW\|VALID_CROW\|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2787 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2788 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2789 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2790 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2791 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2792 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2793 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2794 cursor_correct();
10102 b80ad55d62d8 commit https://github.com/vim/vim/commit/bc54f3f3fed4dc3556df8c46cee6739d211b0eb2 Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2795 check_cursor_col();
161 6df0106fc595 updated for version 7.0049 vimboss parents: 119 diff changeset	2796 if (retval == OK)
6df0106fc595 updated for version 7.0049 vimboss parents: 119 diff changeset	2797 beginline(BL_SOL \| BL_FIX);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2798 curwin->w_valid &= ~(VALID_WCOL\|VALID_WROW\|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2799
14317 1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2800 if (retval == OK && dir == FORWARD)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2801 {
14317 1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2802 // Avoid the screen jumping up and down when 'scrolloff' is non-zero.
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2803 // But make sure we scroll at least one line (happens with mix of long
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2804 // wrapping lines and non-wrapping line).
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2805 if (check_top_offset())
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2806 {
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2807 scroll_cursor_top(1, FALSE);
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2808 if (curwin->w_topline <= old_topline
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2809 && old_topline < curbuf->b_ml.ml_line_count)
14317 1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2810 {
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2811 curwin->w_topline = old_topline + 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2812 #ifdef FEAT_FOLDING
14317 1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2813 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2814 #endif
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2815 }
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2816 }
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2817 #ifdef FEAT_FOLDING
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	2818 else if (curwin->w_botline > curbuf->b_ml.ml_line_count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2819 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2820 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2821 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2822
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	2823 redraw_later(UPD_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2824 return retval;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2825 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2826
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2827 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2828 * Decide how much overlap to use for page-up or page-down scrolling.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2829 * This is symmetric, so that doing both keeps the same lines displayed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2830 * Three lines are examined:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2831 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2832 * before CTRL-F after CTRL-F / before CTRL-B
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2833 * etc. l1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2834 * l1 last but one line ------------
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2835 * l2 last text line l2 top text line
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2836 * ------------- l3 second text line
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2837 * l3 etc.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2838 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2839 static void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	2840 get_scroll_overlap(lineoff_T *lp, int dir)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2841 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2842 int h1, h2, h3, h4;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2843 int min_height = curwin->w_height - 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2844 lineoff_T loff0, loff1, loff2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2845
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2846 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2847 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2848 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2849 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2850 lp->height = plines_nofill(lp->lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2851 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2852 lp->height = plines(lp->lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2853 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2854 h1 = lp->height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2855 if (h1 > min_height)
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2856 return; // no overlap
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2857
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2858 loff0 = *lp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2859 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2860 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2861 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2862 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2863 h2 = lp->height;
3968 e2d36f345a7f updated for version 7.3.739 Bram Moolenaar <bram@vim.org> parents: 3433 diff changeset	2864 if (h2 == MAXCOL \|\| h2 + h1 > min_height)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2865 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2866 *lp = loff0; // no overlap
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2867 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2868 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2869
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2870 loff1 = *lp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2871 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2872 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2873 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2874 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2875 h3 = lp->height;
3968 e2d36f345a7f updated for version 7.3.739 Bram Moolenaar <bram@vim.org> parents: 3433 diff changeset	2876 if (h3 == MAXCOL \|\| h3 + h2 > min_height)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2877 {
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2878 *lp = loff0; // no overlap
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2879 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2880 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2881
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2882 loff2 = *lp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2883 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2884 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2885 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2886 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2887 h4 = lp->height;
3968 e2d36f345a7f updated for version 7.3.739 Bram Moolenaar <bram@vim.org> parents: 3433 diff changeset	2888 if (h4 == MAXCOL \|\| h4 + h3 + h2 > min_height \|\| h3 + h2 + h1 > min_height)
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2889 *lp = loff1; // 1 line overlap
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2890 else
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	2891 *lp = loff2; // 2 lines overlap
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2892 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2893
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2894 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2895 * Scroll 'scroll' lines up or down.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2896 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2897 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	2898 halfpage(int flag, linenr_T Prenum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2899 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2900 long scrolled = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2901 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2902 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2903 int room;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2904
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2905 if (Prenum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2906 curwin->w_p_scr = (Prenum > curwin->w_height) ?
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2907 curwin->w_height : Prenum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2908 n = (curwin->w_p_scr <= curwin->w_height) ?
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2909 curwin->w_p_scr : curwin->w_height;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2910
11258 84f71a8a5f2c patch 8.0.0515: ml_get errors in silent Ex mode Christian Brabandt <cb@256bit.org> parents: 11121 diff changeset	2911 update_topline();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2912 validate_botline();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2913 room = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2914 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2915 room += curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2916 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2917 if (flag)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2918 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2919 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2920 * scroll the text up
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2921 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2922 while (n > 0 && curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2923 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2924 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2925 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2926 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2927 i = 1;
21321 1421eca61db9 patch 8.2.1211: removed more than dead code Bram Moolenaar <Bram@vim.org> parents: 21134 diff changeset	2928 --n;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2929 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2930 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2931 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2932 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2933 {
7103 84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425 Christian Brabandt <cb@256bit.org> parents: 7088 diff changeset	2934 i = PLINES_NOFILL(curwin->w_topline);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2935 n -= i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2936 if (n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2937 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2938 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2939 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2940 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2941 ++curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2942 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2943 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2944 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2945
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2946 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2947 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2948 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2949 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2950 ~(VALID_VIRTCOL\|VALID_CHEIGHT\|VALID_WCOL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2951 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2952 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2953 curwin->w_valid &= ~(VALID_CROW\|VALID_WROW);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2954 scrolled += i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2955
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2956 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2957 * Correct w_botline for changed w_topline.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2958 * Won't work when there are filler lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2959 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2960 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2961 if (curwin->w_p_diff)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2962 curwin->w_valid &= ~(VALID_BOTLINE\|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2963 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2964 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2965 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2966 room += i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2967 do
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2968 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2969 i = plines(curwin->w_botline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2970 if (i > room)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2971 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2972 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2973 (void)hasFolding(curwin->w_botline, NULL,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2974 &curwin->w_botline);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2975 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2976 ++curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2977 room -= i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2978 } while (curwin->w_botline <= curbuf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2979 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2980 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2981
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2982 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2983 * When hit bottom of the file: move cursor down.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2984 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2985 if (n > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2986 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2987 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2988 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2989 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2990 while (--n >= 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2991 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2992 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2993 (void)hasFolding(curwin->w_cursor.lnum, NULL,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2994 &curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2995 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2996 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2997 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2998 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2999 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3000 curwin->w_cursor.lnum += n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3001 check_cursor_lnum();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3002 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3003 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3004 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3005 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3006 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3007 * scroll the text down
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3008 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3009 while (n > 0 && curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3010 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3011 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3012 if (curwin->w_topfill < diff_check_fill(curwin, curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3013 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3014 i = 1;
16042 7952be788a49 patch 8.1.1026: unused condition Bram Moolenaar <Bram@vim.org> parents: 15713 diff changeset	3015 --n;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3016 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3017 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3018 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3019 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3020 {
7103 84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425 Christian Brabandt <cb@256bit.org> parents: 7088 diff changeset	3021 i = PLINES_NOFILL(curwin->w_topline - 1);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3022 n -= i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3023 if (n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3024 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3025 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3026 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3027 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3028 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3029 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3030 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3031 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3032 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3033 curwin->w_valid &= ~(VALID_CROW\|VALID_WROW\|
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3034 VALID_BOTLINE\|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3035 scrolled += i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3036 if (curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3037 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3038 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3039 curwin->w_valid &= ~(VALID_VIRTCOL\|VALID_CHEIGHT\|VALID_WCOL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3040 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3041 }
16042 7952be788a49 patch 8.1.1026: unused condition Bram Moolenaar <Bram@vim.org> parents: 15713 diff changeset	3042
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3043 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3044 * When hit top of the file: move cursor up.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3045 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3046 if (n > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3047 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3048 if (curwin->w_cursor.lnum <= (linenr_T)n)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3049 curwin->w_cursor.lnum = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3050 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3051 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3052 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3053 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3054 while (--n >= 0 && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3055 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3056 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3057 (void)hasFolding(curwin->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3058 &curwin->w_cursor.lnum, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3059 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3060 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3061 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3062 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3063 curwin->w_cursor.lnum -= n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3064 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3065 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3066 # ifdef FEAT_FOLDING
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	3067 // Move cursor to first line of closed fold.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3068 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3069 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3070 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3071 check_topfill(curwin, !flag);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3072 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3073 cursor_correct();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3074 beginline(BL_SOL \| BL_FIX);
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	3075 redraw_later(UPD_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3076 }
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3077
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3078 void
7829 2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9 Christian Brabandt <cb@256bit.org> parents: 7803 diff changeset	3079 do_check_cursorbind(void)
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3080 {
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3081 linenr_T line = curwin->w_cursor.lnum;
3415 7f1bce9c9b79 updated for version 7.3.473 Bram Moolenaar <bram@vim.org> parents: 3318 diff changeset	3082 colnr_T col = curwin->w_cursor.col;
7f1bce9c9b79 updated for version 7.3.473 Bram Moolenaar <bram@vim.org> parents: 3318 diff changeset	3083 colnr_T coladd = curwin->w_cursor.coladd;
3433 3229335d0c4e updated for version 7.3.482 Bram Moolenaar <bram@vim.org> parents: 3415 diff changeset	3084 colnr_T curswant = curwin->w_curswant;
3229335d0c4e updated for version 7.3.482 Bram Moolenaar <bram@vim.org> parents: 3415 diff changeset	3085 int set_curswant = curwin->w_set_curswant;
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3086 win_T *old_curwin = curwin;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3087 buf_T *old_curbuf = curbuf;
2693 0606065af0a0 updated for version 7.3.111 Bram Moolenaar <bram@vim.org> parents: 2688 diff changeset	3088 int restart_edit_save;
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3089 int old_VIsual_select = VIsual_select;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3090 int old_VIsual_active = VIsual_active;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3091
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3092 /*
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3093 * loop through the cursorbound windows
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3094 */
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3095 VIsual_select = VIsual_active = 0;
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 8643 diff changeset	3096 FOR_ALL_WINDOWS(curwin)
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3097 {
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3098 curbuf = curwin->w_buffer;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	3099 // skip original window and windows with 'noscrollbind'
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3100 if (curwin != old_curwin && curwin->w_p_crb)
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3101 {
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3102 # ifdef FEAT_DIFF
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3103 if (curwin->w_p_diff)
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10102 diff changeset	3104 curwin->w_cursor.lnum =
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10102 diff changeset	3105 diff_get_corresponding_line(old_curbuf, line);
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3106 else
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3107 # endif
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3108 curwin->w_cursor.lnum = line;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3109 curwin->w_cursor.col = col;
3415 7f1bce9c9b79 updated for version 7.3.473 Bram Moolenaar <bram@vim.org> parents: 3318 diff changeset	3110 curwin->w_cursor.coladd = coladd;
3433 3229335d0c4e updated for version 7.3.482 Bram Moolenaar <bram@vim.org> parents: 3415 diff changeset	3111 curwin->w_curswant = curswant;
3229335d0c4e updated for version 7.3.482 Bram Moolenaar <bram@vim.org> parents: 3415 diff changeset	3112 curwin->w_set_curswant = set_curswant;
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3113
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	3114 // Make sure the cursor is in a valid position. Temporarily set
80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	3115 // "restart_edit" to allow the cursor to be beyond the EOL.
2693 0606065af0a0 updated for version 7.3.111 Bram Moolenaar <bram@vim.org> parents: 2688 diff changeset	3116 restart_edit_save = restart_edit;
0606065af0a0 updated for version 7.3.111 Bram Moolenaar <bram@vim.org> parents: 2688 diff changeset	3117 restart_edit = TRUE;
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3118 check_cursor();
29275 281509f1417b patch 8.2.5155: in diff mode windows may get out of sync Bram Moolenaar <Bram@vim.org> parents: 29239 diff changeset	3119
281509f1417b patch 8.2.5155: in diff mode windows may get out of sync Bram Moolenaar <Bram@vim.org> parents: 29239 diff changeset	3120 // Avoid a scroll here for the cursor position, 'scrollbind' is
281509f1417b patch 8.2.5155: in diff mode windows may get out of sync Bram Moolenaar <Bram@vim.org> parents: 29239 diff changeset	3121 // more important.
281509f1417b patch 8.2.5155: in diff mode windows may get out of sync Bram Moolenaar <Bram@vim.org> parents: 29239 diff changeset	3122 if (!curwin->w_p_scb)
281509f1417b patch 8.2.5155: in diff mode windows may get out of sync Bram Moolenaar <Bram@vim.org> parents: 29239 diff changeset	3123 validate_cursor();
281509f1417b patch 8.2.5155: in diff mode windows may get out of sync Bram Moolenaar <Bram@vim.org> parents: 29239 diff changeset	3124
2693 0606065af0a0 updated for version 7.3.111 Bram Moolenaar <bram@vim.org> parents: 2688 diff changeset	3125 restart_edit = restart_edit_save;
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	3126 // Correct cursor for multi-byte character.
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3127 if (has_mbyte)
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3128 mb_adjust_cursor();
29732 89e1d67814a9 patch 9.0.0206: redraw flags are not named specifically Bram Moolenaar <Bram@vim.org> parents: 29708 diff changeset	3129 redraw_later(UPD_VALID);
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3130
18931 80b40bd5ec1a patch 8.2.0026: still some /* / comments Bram Moolenaar <Bram@vim.org>* parents: 18892 diff changeset	3131 // Only scroll when 'scrollbind' hasn't done this.
2688 f016c3708ae3 updated for version 7.3.106 Bram Moolenaar <bram@vim.org> parents: 2577 diff changeset	3132 if (!curwin->w_p_scb)
f016c3708ae3 updated for version 7.3.106 Bram Moolenaar <bram@vim.org> parents: 2577 diff changeset	3133 update_topline();
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3134 curwin->w_redr_status = TRUE;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3135 }
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3136 }
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3137
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3138 /*
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3139 * reset current-window
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3140 */
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3141 VIsual_select = old_VIsual_select;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3142 VIsual_active = old_VIsual_active;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3143 curwin = old_curwin;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3144 curbuf = old_curbuf;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2210 diff changeset	3145 }

Mercurial > vim

annotate src/move.c @ 30610:6c6ac189a05f v9.0.0640