annotate src/move.c @ 16760:b55b4a21f006 v8.1.1382

patch 8.1.1382: error when editing test file commit https://github.com/vim/vim/commit/3020a87cb121123abf1e9a1eca0eddac241fc481 Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 24 17:33:01 2019 +0200 patch 8.1.1382: error when editing test file Problem: Error when editing test file. Solution: Remove part of modeline.
author Bram Moolenaar <Bram@vim.org>
date Fri, 24 May 2019 17:45:05 +0200
parents cd5c83115ec6
children 8a095d343c59
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
28 linenr_T lnum; /* line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
29 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
30 int fill; /* filler lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
31 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
32 int height; /* height of added line */
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
39 * Compute wp->w_botline for the current wp->w_topline. Can be called after
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
40 * wp->w_topline changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
41 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
42 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
43 comp_botline(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
44 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
45 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
46 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
47 int done;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
48 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
49 linenr_T last;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
50 int folded;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
51 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
52
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
53 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
54 * If w_cline_row is valid, start there.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
55 * Otherwise have to start at w_topline.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
56 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
57 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
58 if (wp->w_valid & VALID_CROW)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
59 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
60 lnum = wp->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
61 done = wp->w_cline_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
62 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
63 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
64 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
65 lnum = wp->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
66 done = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
67 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
68
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
69 for ( ; lnum <= wp->w_buffer->b_ml.ml_line_count; ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
70 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
71 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
72 last = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
73 folded = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
74 if (hasFoldingWin(wp, lnum, NULL, &last, TRUE, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
75 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
76 n = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
77 folded = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
78 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
79 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
80 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
81 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
82 if (lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
83 n = plines_win_nofill(wp, lnum, TRUE) + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
84 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
85 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
86 n = plines_win(wp, lnum, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
87 if (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
88 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
89 lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
90 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
91 lnum == wp->w_cursor.lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
92 #endif
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 wp->w_cline_row = done;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
96 wp->w_cline_height = n;
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 wp->w_cline_folded = folded;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
99 #endif
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
100 redraw_for_cursorline(wp);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
101 wp->w_valid |= (VALID_CROW|VALID_CHEIGHT);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
102 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
103 if (done + n > wp->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
104 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
105 done += n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
106 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
107 lnum = last;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
108 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
109 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
110
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
111 /* wp->w_botline is the line that is just below the window */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
112 wp->w_botline = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
113 wp->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
114
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
115 set_empty_rows(wp, done);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
116 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
117
14720
a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14317
diff changeset
118 #ifdef FEAT_SYN_HL
14846
10107703b9b2 patch 8.1.0435: cursorline highlight not removed in some situation
Christian Brabandt <cb@256bit.org>
parents: 14724
diff changeset
119 void
10107703b9b2 patch 8.1.0435: cursorline highlight not removed in some situation
Christian Brabandt <cb@256bit.org>
parents: 14724
diff changeset
120 reset_cursorline(void)
10107703b9b2 patch 8.1.0435: cursorline highlight not removed in some situation
Christian Brabandt <cb@256bit.org>
parents: 14724
diff changeset
121 {
14873
a8ed1cb85859 patch 8.1.0448: cursorline not removed when using 'cursorbind'
Christian Brabandt <cb@256bit.org>
parents: 14862
diff changeset
122 curwin->w_last_cursorline = 0;
14846
10107703b9b2 patch 8.1.0435: cursorline highlight not removed in some situation
Christian Brabandt <cb@256bit.org>
parents: 14724
diff changeset
123 }
14720
a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14317
diff changeset
124 #endif
a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14317
diff changeset
125
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
126 /*
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
127 * 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
128 * set.
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
129 */
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
130 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
131 redraw_for_cursorline(win_T *wp)
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
132 {
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
133 if ((wp->w_p_rnu
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
134 #ifdef FEAT_SYN_HL
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
135 || wp->w_p_cul
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
136 #endif
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
137 )
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
138 && (wp->w_valid & VALID_CROW) == 0
15414
d7432dcb6b7c patch 8.1.0715: superfluous call to redraw_win_later()
Bram Moolenaar <Bram@vim.org>
parents: 15400
diff changeset
139 #ifdef FEAT_INS_EXPAND
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
140 && !pum_visible()
15414
d7432dcb6b7c patch 8.1.0715: superfluous call to redraw_win_later()
Bram Moolenaar <Bram@vim.org>
parents: 15400
diff changeset
141 #endif
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
142 )
14720
a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14317
diff changeset
143 {
14724
90de24a1e9b7 patch 8.1.0374: moving the cursor is slow when 'relativenumber' is set
Christian Brabandt <cb@256bit.org>
parents: 14722
diff changeset
144 if (wp->w_p_rnu)
90de24a1e9b7 patch 8.1.0374: moving the cursor is slow when 'relativenumber' is set
Christian Brabandt <cb@256bit.org>
parents: 14722
diff changeset
145 // win_line() will redraw the number column only.
90de24a1e9b7 patch 8.1.0374: moving the cursor is slow when 'relativenumber' is set
Christian Brabandt <cb@256bit.org>
parents: 14722
diff changeset
146 redraw_win_later(wp, VALID);
14720
a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14317
diff changeset
147 #ifdef FEAT_SYN_HL
14724
90de24a1e9b7 patch 8.1.0374: moving the cursor is slow when 'relativenumber' is set
Christian Brabandt <cb@256bit.org>
parents: 14722
diff changeset
148 if (wp->w_p_cul)
14720
a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14317
diff changeset
149 {
14873
a8ed1cb85859 patch 8.1.0448: cursorline not removed when using 'cursorbind'
Christian Brabandt <cb@256bit.org>
parents: 14862
diff changeset
150 if (wp->w_redr_type <= VALID && wp->w_last_cursorline != 0)
14724
90de24a1e9b7 patch 8.1.0374: moving the cursor is slow when 'relativenumber' is set
Christian Brabandt <cb@256bit.org>
parents: 14722
diff changeset
151 {
14873
a8ed1cb85859 patch 8.1.0448: cursorline not removed when using 'cursorbind'
Christian Brabandt <cb@256bit.org>
parents: 14862
diff changeset
152 // "w_last_cursorline" may be outdated, worst case we redraw
a8ed1cb85859 patch 8.1.0448: cursorline not removed when using 'cursorbind'
Christian Brabandt <cb@256bit.org>
parents: 14862
diff changeset
153 // too much. This is optimized for moving the cursor around in
a8ed1cb85859 patch 8.1.0448: cursorline not removed when using 'cursorbind'
Christian Brabandt <cb@256bit.org>
parents: 14862
diff changeset
154 // the current window.
15400
ac5542aadd9c patch 8.1.0708: third argument for redrawWinline() is always FALSE
Bram Moolenaar <Bram@vim.org>
parents: 15064
diff changeset
155 redrawWinline(wp, wp->w_last_cursorline);
ac5542aadd9c patch 8.1.0708: third argument for redrawWinline() is always FALSE
Bram Moolenaar <Bram@vim.org>
parents: 15064
diff changeset
156 redrawWinline(wp, wp->w_cursor.lnum);
14724
90de24a1e9b7 patch 8.1.0374: moving the cursor is slow when 'relativenumber' is set
Christian Brabandt <cb@256bit.org>
parents: 14722
diff changeset
157 }
90de24a1e9b7 patch 8.1.0374: moving the cursor is slow when 'relativenumber' is set
Christian Brabandt <cb@256bit.org>
parents: 14722
diff changeset
158 else
90de24a1e9b7 patch 8.1.0374: moving the cursor is slow when 'relativenumber' is set
Christian Brabandt <cb@256bit.org>
parents: 14722
diff changeset
159 redraw_win_later(wp, SOME_VALID);
14720
a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14317
diff changeset
160 }
14722
9b150311eb9c patch 8.1.0373: screen updating still slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14720
diff changeset
161 #endif
14720
a9665096074b patch 8.1.0372: screen updating slow when 'cursorline' is set
Christian Brabandt <cb@256bit.org>
parents: 14317
diff changeset
162 }
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
163 }
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
164
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
165 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
166 * Update curwin->w_topline and redraw if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
167 * Used to update the screen before printing a message.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
168 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
169 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
170 update_topline_redraw(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
171 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
172 update_topline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
173 if (must_redraw)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
174 update_screen(0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
175 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
176
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
177 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
178 * Update curwin->w_topline to move the cursor onto the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
179 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
180 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
181 update_topline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
182 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
183 long line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
184 int halfheight;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
185 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
186 linenr_T old_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
187 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
188 int old_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
189 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
190 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
191 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
192 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
193 int check_topline = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
194 int check_botline = FALSE;
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
195 long *so_ptr = curwin->w_p_so >= 0 ? &curwin->w_p_so : &p_so;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
196 #ifdef FEAT_MOUSE
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
197 int save_so = *so_ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
198 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
199
11258
84f71a8a5f2c patch 8.0.0515: ml_get errors in silent Ex mode
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
200 /* If there is no valid screen and when the window height is zero just use
84f71a8a5f2c patch 8.0.0515: ml_get errors in silent Ex mode
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
201 * the cursor line. */
84f71a8a5f2c patch 8.0.0515: ml_get errors in silent Ex mode
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
202 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
203 {
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
204 curwin->w_topline = curwin->w_cursor.lnum;
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
205 curwin->w_botline = curwin->w_topline;
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
206 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
207 curwin->w_scbind_pos = 1;
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
208 return;
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
209 }
fe1827921d50 updated for version 7.4.458
Bram Moolenaar <bram@vim.org>
parents: 5764
diff changeset
210
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
211 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
212 if (curwin->w_valid & VALID_TOPLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
213 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
214
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
215 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
216 /* When dragging with the mouse, don't scroll that quickly */
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
217 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
218 *so_ptr = mouse_dragging - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
219 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
220
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
221 old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
222 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
223 old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
224 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
225
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
226 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
227 * If the buffer is empty, always set topline to 1.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
228 */
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10607
diff changeset
229 if (BUFEMPTY()) /* special case - file is empty */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
230 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
231 if (curwin->w_topline != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
232 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
233 curwin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
234 curwin->w_botline = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
235 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
236 curwin->w_scbind_pos = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
237 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
238
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
239 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
240 * 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
241 * to show the line the cursor is in, with 'scrolloff' context.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
242 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
243 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
244 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
245 if (curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
246 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
247 /* If the cursor is above topline, scrolling is always needed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
248 * If the cursor is far below topline and there is no folding,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
249 * scrolling down is never needed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
250 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
251 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
252 else if (check_top_offset())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
253 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
254 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
255 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
256 /* Check if there are more filler lines than allowed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
257 if (!check_topline && curwin->w_topfill > diff_check_fill(curwin,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
258 curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
259 check_topline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
260 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
261
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
262 if (check_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
263 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
264 halfheight = curwin->w_height / 2 - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
265 if (halfheight < 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
266 halfheight = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
267
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
268 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
269 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
270 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
271 /* Count the number of logical lines between the cursor and
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
272 * topline + scrolloff (approximation of how much will be
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
273 * scrolled). */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
274 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
275 for (lnum = curwin->w_cursor.lnum;
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
276 lnum < curwin->w_topline + *so_ptr; ++lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
277 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
278 ++n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
279 /* stop at end of file or when we know we are far off */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
280 if (lnum >= curbuf->b_ml.ml_line_count || n >= halfheight)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
281 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
282 (void)hasFolding(lnum, NULL, &lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
283 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
284 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
285 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
286 #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
287 n = curwin->w_topline + *so_ptr - curwin->w_cursor.lnum;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
288
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
289 /* If we weren't very close to begin with, we scroll to put the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
290 * cursor in the middle of the window. Otherwise put the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
291 * near the top of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
292 if (n >= halfheight)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
293 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
294 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
295 {
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
296 scroll_cursor_top(scrolljump_value(), FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
297 check_botline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
298 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
299 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
300
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
301 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
302 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
303 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
304 /* Make sure topline is the first line of a fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
305 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
306 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
307 check_botline = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
308 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
309 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
310
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
311 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
312 * If the cursor is below the bottom of the window, scroll the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
313 * to put the cursor on the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
314 * When w_botline is invalid, recompute it first, to avoid a redraw later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
315 * If w_botline was approximated, we might need a redraw later in a few
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
316 * 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
317 * for every small change.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
318 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
319 if (check_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
320 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
321 if (!(curwin->w_valid & VALID_BOTLINE_AP))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
322 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
323
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
324 if (curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
325 {
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
326 if (curwin->w_cursor.lnum < curwin->w_botline)
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
327 {
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
328 if (((long)curwin->w_cursor.lnum
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
329 >= (long)curwin->w_botline - *so_ptr
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
330 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
331 || hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
332 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
333 ))
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
334 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
335 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
336
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
337 /* Cursor is (a few lines) above botline, check if there are
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
338 * 'scrolloff' window lines below the cursor. If not, need to
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
339 * scroll. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
340 n = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
341 loff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
342 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
343 /* In a fold go to its last line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
344 (void)hasFolding(loff.lnum, NULL, &loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
345 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
346 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
347 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
348 n += curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
349 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
350 loff.height = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
351 while (loff.lnum < curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
352 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
353 && (loff.lnum + 1 < curwin->w_botline || loff.fill == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
354 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
355 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
356 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
357 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
358 if (n >= *so_ptr)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
359 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
360 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
361 }
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
362 if (n >= *so_ptr)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 /* sufficient context, no need to scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
364 check_botline = FALSE;
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
365 }
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
366 else
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
367 /* sufficient context, no need to scroll */
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
368 check_botline = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
369 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
370 if (check_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
371 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
374 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
375 /* Count the number of logical lines between the cursor and
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
376 * botline - scrolloff (approximation of how much will be
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
377 * scrolled). */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
379 for (lnum = curwin->w_cursor.lnum;
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
380 lnum >= curwin->w_botline - *so_ptr; --lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
381 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
382 ++line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
383 /* stop at end of file or when we know we are far off */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 if (lnum <= 0 || line_count > curwin->w_height + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 (void)hasFolding(lnum, &lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
388 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
389 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 line_count = curwin->w_cursor.lnum - curwin->w_botline
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
392 + 1 + *so_ptr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 if (line_count <= curwin->w_height + 1)
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
394 scroll_cursor_bot(scrolljump_value(), FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
395 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
397 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
398 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
399 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
400 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 * Need to redraw when topline changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
407 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
408 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
409 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
410 {
3318
c70c005f61fb updated for version 7.3.426
Bram Moolenaar <bram@vim.org>
parents: 3263
diff changeset
411 dollar_vcol = -1;
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
412 if (curwin->w_skipcol != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
413 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
414 curwin->w_skipcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
415 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
416 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
417 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
418 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
419 /* May need to set w_skipcol when cursor in w_topline. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
420 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
421 validate_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
422 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
423
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
424 #ifdef FEAT_MOUSE
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
425 *so_ptr = save_so;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
426 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
427 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
428
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
429 /*
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
430 * Return the scrolljump value to use for the current window.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
431 * When 'scrolljump' is positive use it as-is.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
432 * When 'scrolljump' is negative use it as a percentage of the window height.
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
433 */
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
434 static int
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
435 scrolljump_value(void)
532
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
436 {
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
437 if (p_sj >= 0)
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
438 return (int)p_sj;
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
439 return (curwin->w_height * -p_sj) / 100;
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
440 }
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
441
7052f11a3dc9 updated for version 7.0150
vimboss
parents: 164
diff changeset
442 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
443 * Return TRUE when there are not 'scrolloff' lines above the cursor for the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
444 * current window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
445 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
446 static int
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
447 check_top_offset(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
449 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450 int n;
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
451 long so = get_scrolloff_value();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
453 if (curwin->w_cursor.lnum < curwin->w_topline + so
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
454 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 || hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 loff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 n = curwin->w_topfill; /* always have this context */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
465 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
466 /* 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
467 while (n < so)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
468 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
469 topline_back(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
470 /* Stop when included a line above the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
471 if (loff.lnum < curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
472 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
473 || (loff.lnum == curwin->w_topline && loff.fill > 0)
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 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
477 n += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
478 }
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
479 if (n < so)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
480 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
483 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
485 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
486 update_curswant(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488 if (curwin->w_set_curswant)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491 curwin->w_curswant = curwin->w_virtcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 curwin->w_set_curswant = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
493 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
494 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
495
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
496 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
497 * Check if the cursor has moved. Set the w_valid flag accordingly.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
498 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
499 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
500 check_cursor_moved(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
501 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
502 if (wp->w_cursor.lnum != wp->w_valid_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
503 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
504 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
505 |VALID_CHEIGHT|VALID_CROW|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
506 wp->w_valid_cursor = wp->w_cursor;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
507 wp->w_valid_leftcol = wp->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
508 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
509 else if (wp->w_cursor.col != wp->w_valid_cursor.col
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
510 || 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
511 || wp->w_cursor.coladd != wp->w_valid_cursor.coladd)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
512 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
513 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
514 wp->w_valid_cursor.col = wp->w_cursor.col;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
515 wp->w_valid_leftcol = wp->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
516 wp->w_valid_cursor.coladd = wp->w_cursor.coladd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
518 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
519
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
520 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
521 * Call this function when some window settings have changed, which require
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
522 * the cursor position, botline and topline to be recomputed and the window to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
523 * be redrawn. E.g, when changing the 'wrap' option or folding.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
524 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
525 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
526 changed_window_setting(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
527 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
528 changed_window_setting_win(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
529 }
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 changed_window_setting_win(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 wp->w_lines_valid = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
535 changed_line_abv_curs_win(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
536 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
537 redraw_win_later(wp, NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
538 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
539
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
540 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541 * Set wp->w_topline to a certain number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
542 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
543 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
544 set_topline(win_T *wp, linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
545 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
546 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
547 /* go to first of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548 (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
549 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 /* Approximate the value of w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 wp->w_botline += lnum - wp->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 wp->w_topline = lnum;
1744
feb9b4215853 updated for version 7.2-042
vimboss
parents: 1668
diff changeset
553 wp->w_topline_was_set = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 wp->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 /* Don't set VALID_TOPLINE here, 'scrolloff' needs to be checked. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
559 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
560 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
562 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 * Call this function when the length of the cursor line (in screen
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
564 * characters) has changed, and the change is before the cursor.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
565 * Need to take care of w_botline separately!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
568 changed_cline_bef_curs(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
569 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
570 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
571 |VALID_CHEIGHT|VALID_TOPLINE);
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 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
575 changed_cline_bef_curs_win(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
581 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 * Call this function when the length of a line (in screen characters) above
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 * the cursor have changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 * Need to take care of w_botline separately!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
587 changed_line_abv_curs(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
594 changed_line_abv_curs_win(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 |VALID_CHEIGHT|VALID_TOPLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 * Make sure the value of curwin->w_botline is valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
604 validate_botline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606 if (!(curwin->w_valid & VALID_BOTLINE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 comp_botline(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
611 * Mark curwin->w_botline as invalid (because of some change in the buffer).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
614 invalidate_botline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
620 invalidate_botline_win(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
621 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
626 approximate_botline_win(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
627 win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 wp->w_valid &= ~VALID_BOTLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 * Return TRUE if curwin->w_wrow and curwin->w_wcol are valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 int
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
636 cursor_valid(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 return ((curwin->w_valid & (VALID_WROW|VALID_WCOL)) ==
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 (VALID_WROW|VALID_WCOL));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 * Validate cursor position. Makes sure w_wrow and w_wcol are valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 * w_topline must be valid, you may need to call update_topline() first!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
648 validate_cursor(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 if ((curwin->w_valid & (VALID_WCOL|VALID_WROW)) != (VALID_WCOL|VALID_WROW))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652 curs_columns(TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 #if defined(FEAT_GUI) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 * validate w_cline_row.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
660 validate_cline_row(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663 * First make sure that w_topline is valid (after moving the cursor).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 update_topline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667 if (!(curwin->w_valid & VALID_CROW))
6441
7cda721eadb0 updated for version 7.4.550
Bram Moolenaar <bram@vim.org>
parents: 6247
diff changeset
668 curs_rows(curwin);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 * 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
674 * of wp->w_topline.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
675 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
676 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
677 curs_rows(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
678 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 int all_invalid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 int valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 long fold_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 /* Check if wp->w_lines[].wl_size is invalid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 all_invalid = (!redrawing()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 || wp->w_lines_valid == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 || wp->w_lines[0].wl_lnum > wp->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 i = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 wp->w_cline_row = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 for (lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
695 valid = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 if (!all_invalid && i < wp->w_lines_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
697 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
698 if (wp->w_lines[i].wl_lnum < lnum || !wp->w_lines[i].wl_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
699 continue; /* skip changed or deleted lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
700 if (wp->w_lines[i].wl_lnum == lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
701 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 /* Check for newly inserted lines below this row, in which
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 * case we need to check for folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 if (!wp->w_buffer->b_mod_set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 || wp->w_lines[i].wl_lastlnum < wp->w_cursor.lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 || wp->w_buffer->b_mod_top
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 > wp->w_lines[i].wl_lastlnum + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 valid = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 else if (wp->w_lines[i].wl_lnum > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 --i; /* hold at inserted lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 if (valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 && (lnum != wp->w_topline || !wp->w_p_diff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 lnum = wp->w_lines[i].wl_lastlnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 /* Cursor inside folded lines, don't count this row */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 if (lnum > wp->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 ++lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 wp->w_cline_row += wp->w_lines[i].wl_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
732 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 fold_count = foldedCount(wp, lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 if (fold_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 lnum += fold_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 if (lnum > wp->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 ++wp->w_cline_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745 if (lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 wp->w_cline_row += plines_win_nofill(wp, lnum++, TRUE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 wp->w_cline_row += plines_win(wp, lnum++, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
753
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 if (!(wp->w_valid & VALID_CHEIGHT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 if (all_invalid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 || i == wp->w_lines_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 || (i < wp->w_lines_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 && (!wp->w_lines[i].wl_valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 || wp->w_lines[i].wl_lnum != wp->w_cursor.lnum)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
764 if (wp->w_cursor.lnum == wp->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
765 wp->w_cline_height = plines_win_nofill(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
766 TRUE) + wp->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
767 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
769 wp->w_cline_height = plines_win(wp, wp->w_cursor.lnum, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
771 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
772 NULL, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 else if (i > wp->w_lines_valid)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
777 /* a line that is too long to fit on the last screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
778 wp->w_cline_height = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
780 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
781 NULL, NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
782 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
783 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
785 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
786 wp->w_cline_height = wp->w_lines[i].wl_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
787 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
788 wp->w_cline_folded = wp->w_lines[i].wl_folded;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
792
5764
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
793 redraw_for_cursorline(curwin);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
794 wp->w_valid |= VALID_CROW|VALID_CHEIGHT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
795
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
798 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
799 * Validate curwin->w_virtcol only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
800 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
801 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
802 validate_virtcol(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
804 validate_virtcol_win(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
805 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
806
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
807 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
808 * Validate wp->w_virtcol only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
809 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
810 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
811 validate_virtcol_win(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 check_cursor_moved(wp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814 if (!(wp->w_valid & VALID_VIRTCOL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 getvvcol(wp, &wp->w_cursor, NULL, &(wp->w_virtcol), NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
817 wp->w_valid |= VALID_VIRTCOL;
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
818 #ifdef FEAT_SYN_HL
752
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
819 if (wp->w_p_cuc
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
820 # ifdef FEAT_INS_EXPAND
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
821 && !pum_visible()
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
822 # endif
7a6368b8edf6 updated for version 7.0223
vimboss
parents: 740
diff changeset
823 )
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
824 redraw_win_later(wp, SOME_VALID);
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
825 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
826 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
827 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 * Validate curwin->w_cline_height only.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
833 validate_cheight(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 check_cursor_moved(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 if (!(curwin->w_valid & VALID_CHEIGHT))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 curwin->w_cline_height = plines_nofill(curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 + curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 curwin->w_cline_height = plines(curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 curwin->w_cline_folded = hasFolding(curwin->w_cursor.lnum, NULL, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 curwin->w_valid |= VALID_CHEIGHT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852 /*
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
853 * Validate w_wcol and w_virtcol only.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
856 validate_cursor_col(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 colnr_T off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 colnr_T col;
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
860 int width;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 if (!(curwin->w_valid & VALID_WCOL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 col = curwin->w_virtcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 off = curwin_col_off();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 col += off;
12515
972ea22c946f patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents: 12477
diff changeset
868 width = curwin->w_width - off + curwin_col_off2();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870 /* long line wrapping, adjust curwin->w_wrow */
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
871 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
872 && col >= (colnr_T)curwin->w_width
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
873 && width > 0)
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
874 /* 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
875 col -= ((col - curwin->w_width) / width + 1) * width;
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
876 if (col > (int)curwin->w_leftcol)
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
877 col -= curwin->w_leftcol;
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
878 else
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
879 col = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880 curwin->w_wcol = col;
1668
0b796e045c42 updated for version 7.2b-000
vimboss
parents: 1121
diff changeset
881
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
882 curwin->w_valid |= VALID_WCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
883 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886 /*
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
887 * 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
888 * fold column and sign column (these don't move when scrolling horizontally).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
890 int
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
891 win_col_off(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892 {
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
893 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
894 #ifdef FEAT_CMDWIN
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 + (cmdwin_type == 0 || wp != curwin ? 0 : 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
896 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
897 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898 + wp->w_p_fdc
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 #ifdef FEAT_SIGNS
9852
4eea48b76d03 commit https://github.com/vim/vim/commit/95ec9d6a6ab3117d60ff638670a803d43974ba51
Christian Brabandt <cb@256bit.org>
parents: 9649
diff changeset
901 + (signcolumn_on(wp) ? 2 : 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 );
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
904 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
906 int
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
907 curwin_col_off(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
908 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
909 return win_col_off(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
910 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
911
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
912 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
913 * 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
914 * 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
915 * 'cpoptions'.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
916 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
917 int
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
918 win_col_off2(win_T *wp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
919 {
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
920 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
921 return number_width(wp) + 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
922 return 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
923 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
924
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
925 int
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
926 curwin_col_off2(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
927 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
928 return win_col_off2(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
929 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
930
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
931 /*
15597
536dd2bc5ac9 patch 8.1.0806: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15414
diff changeset
932 * Compute curwin->w_wcol and curwin->w_virtcol.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933 * Also updates curwin->w_wrow and curwin->w_cline_row.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934 * Also updates curwin->w_leftcol.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
936 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
937 curs_columns(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
938 int may_scroll) /* when TRUE, may scroll horizontally */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
939 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
940 int diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
941 int extra; /* offset for first screen line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
942 int off_left, off_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
943 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
944 int p_lines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
945 int width = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
946 int textwidth;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
947 int new_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
948 colnr_T startcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
949 colnr_T endcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
950 colnr_T prev_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
951 long so = get_scrolloff_value();
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
952 long siso = get_sidescrolloff_value();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
953
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
954 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
955 * First make sure that w_topline is valid (after moving the cursor).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
956 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
957 update_topline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
958
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
959 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
960 * Next make sure that w_cline_row is valid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
961 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
962 if (!(curwin->w_valid & VALID_CROW))
6441
7cda721eadb0 updated for version 7.4.550
Bram Moolenaar <bram@vim.org>
parents: 6247
diff changeset
963 curs_rows(curwin);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
964
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966 * Compute the number of virtual columns.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 if (curwin->w_cline_folded)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 /* In a folded line the cursor is always in the first column */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
971 startcol = curwin->w_virtcol = endcol = curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
972 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
974 getvvcol(curwin, &curwin->w_cursor,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 &startcol, &(curwin->w_virtcol), &endcol);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
976
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 /* remove '$' from change command when cursor moves onto it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 if (startcol > dollar_vcol)
3318
c70c005f61fb updated for version 7.3.426
Bram Moolenaar <bram@vim.org>
parents: 3263
diff changeset
979 dollar_vcol = -1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981 extra = curwin_col_off();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
982 curwin->w_wcol = curwin->w_virtcol + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
983 endcol += extra;
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 * Now compute w_wrow, counting screen lines from w_cline_row.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
987 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988 curwin->w_wrow = curwin->w_cline_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989
12515
972ea22c946f patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents: 12477
diff changeset
990 textwidth = curwin->w_width - extra;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 if (textwidth <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993 /* No room for text, put cursor in last char of window. */
12515
972ea22c946f patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents: 12477
diff changeset
994 curwin->w_wcol = curwin->w_width - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 curwin->w_wrow = curwin->w_height - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 }
12477
68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 12152
diff changeset
997 else if (curwin->w_p_wrap && curwin->w_width != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 width = textwidth + curwin_col_off2();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1000
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001 /* 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
1002 if (curwin->w_wcol >= curwin->w_width)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003 {
2070
4483ee552619 updated for version 7.2.355
Bram Moolenaar <bram@zimbu.org>
parents: 1980
diff changeset
1004 /* 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
1005 n = (curwin->w_wcol - curwin->w_width) / width + 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006 curwin->w_wcol -= n * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 curwin->w_wrow += n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1008
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 #ifdef FEAT_LINEBREAK
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 /* When cursor wraps to first char of next line in Insert
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 * mode, the 'showbreak' string isn't shown, backup to first
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 * column */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 if (*p_sbr && *ml_get_cursor() == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 && curwin->w_wcol == (int)vim_strsize(p_sbr))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 curwin->w_wcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020 /* No line wrapping: compute curwin->w_leftcol if scrolling is on and line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 * is not folded.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 * 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
1023 else if (may_scroll
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 && !curwin->w_cline_folded
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 * If Cursor is left of the screen, scroll rightwards.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 * If Cursor is right of the screen, scroll leftwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 * If we get closer to the edge than 'sidescrolloff', scroll a little
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 * extra
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 */
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
1035 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
1036 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
1037 - siso) + 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 if (off_left < 0 || off_right > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1039 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1040 if (off_left < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1041 diff = -off_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043 diff = off_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1045 /* When far off or not enough room on either side, put cursor in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 * middle of window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047 if (p_ss == 0 || diff >= textwidth / 2 || off_right >= off_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048 new_leftcol = curwin->w_wcol - extra - textwidth / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051 if (diff < p_ss)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 diff = p_ss;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 if (off_left < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 new_leftcol = curwin->w_leftcol - diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1056 new_leftcol = curwin->w_leftcol + diff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1058 if (new_leftcol < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 new_leftcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 if (new_leftcol != (int)curwin->w_leftcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1061 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1062 curwin->w_leftcol = new_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1063 /* screen has to be redrawn with new curwin->w_leftcol */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1064 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1065 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1066 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1067 curwin->w_wcol -= curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1068 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1069 else if (curwin->w_wcol > (int)curwin->w_leftcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1070 curwin->w_wcol -= curwin->w_leftcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1071 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1072 curwin->w_wcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1073
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1074 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1075 /* Skip over filler lines. At the top use w_topfill, there
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1076 * may be some filler lines above the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1077 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078 curwin->w_wrow += curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 curwin->w_wrow += diff_check_fill(curwin, curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 prev_skipcol = curwin->w_skipcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085 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
1086
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1087 if ((curwin->w_wrow >= curwin->w_height
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088 || ((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
1089 || curwin->w_wrow + so >= curwin->w_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1090 && (p_lines =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1091 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1092 plines_win_nofill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1093 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1094 plines_win
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1095 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1096 (curwin, curwin->w_cursor.lnum, FALSE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1097 - 1 >= curwin->w_height))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098 && curwin->w_height != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1099 && curwin->w_cursor.lnum == curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100 && width > 0
12477
68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 12152
diff changeset
1101 && curwin->w_width != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1102 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1103 /* Cursor past end of screen. Happens with a single line that does
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 * not fit on screen. Find a skipcol to show the text around the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 * cursor. Avoid scrolling all the time. compute value of "extra":
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
1106 * 1: Less than 'scrolloff' lines above
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
1107 * 2: Less than 'scrolloff' lines below
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 * 3: both of them */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 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
1110 if (curwin->w_skipcol + so * width > curwin->w_virtcol)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 extra = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 /* Compute last display line of the buffer line that we want at the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 * bottom of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 if (p_lines == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 p_lines = plines_win(curwin, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 --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
1117 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
1118 n = curwin->w_wrow + so;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 n = p_lines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 if ((colnr_T)n >= curwin->w_height + curwin->w_skipcol / width)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 extra += 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
1124 if (extra == 3 || p_lines < so * 2)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 /* not enough room for 'scrolloff', put cursor in the middle */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 n = curwin->w_virtcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 if (n > curwin->w_height / 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 n -= curwin->w_height / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 /* don't skip more than necessary */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 if (n > p_lines - curwin->w_height + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134 n = p_lines - curwin->w_height + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 curwin->w_skipcol = n * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137 else if (extra == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1138 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1139 /* less then '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
1140 extra = (curwin->w_skipcol + so * width - curwin->w_virtcol
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1141 + width - 1) / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1142 if (extra > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 if ((colnr_T)(extra * width) > curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 extra = curwin->w_skipcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 curwin->w_skipcol -= extra * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 else if (extra == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1151 /* less then 'scrolloff' lines below, increase skipcol */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 endcol = (n - curwin->w_height + 1) * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1153 while (endcol > curwin->w_virtcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 endcol -= width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155 if (endcol > curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156 curwin->w_skipcol = endcol;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 curwin->w_wrow -= curwin->w_skipcol / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 if (curwin->w_wrow >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 /* small window, make sure cursor is in it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 extra = curwin->w_wrow - curwin->w_height + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 curwin->w_skipcol += extra * width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 curwin->w_wrow -= extra;
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 extra = ((int)prev_skipcol - (int)curwin->w_skipcol) / width;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 if (extra > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 win_ins_lines(curwin, 0, extra, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 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
1172 win_del_lines(curwin, 0, -extra, FALSE, FALSE, 0);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 curwin->w_skipcol = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 if (prev_skipcol != curwin->w_skipcol)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177 redraw_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
1179 #ifdef FEAT_SYN_HL
5749
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1180 /* Redraw when w_virtcol changes and 'cursorcolumn' is set */
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1181 if (curwin->w_p_cuc && (curwin->w_valid & VALID_VIRTCOL) == 0
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1182 # ifdef FEAT_INS_EXPAND
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1183 && !pum_visible()
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1184 # endif
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1185 )
37af1e6e91bb updated for version 7.4.219
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
1186 redraw_later(SOME_VALID);
2178
c6f1aa1e9f32 Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents: 2154
diff changeset
1187 #endif
740
614e9af68eaa updated for version 7.0222
vimboss
parents: 532
diff changeset
1188
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 * Scroll the current window down by "line_count" logical lines. "CTRL-Y"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1195 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1196 scrolldown(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1197 long line_count,
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1198 int byfold UNUSED) /* TRUE: count a closed fold as one line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 long done = 0; /* total # of physical lines done */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201 int wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1202 int moved = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1203
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1204 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1205 linenr_T first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1206
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 /* Make sure w_topline is at the first of a sequence of folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1211 while (line_count-- > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1212 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213 #ifdef FEAT_DIFF
1980
5e0c164fc1c2 updated for version 7.2-277
vimboss
parents: 1877
diff changeset
1214 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)
5e0c164fc1c2 updated for version 7.2-277
vimboss
parents: 1877
diff changeset
1215 && curwin->w_topfill < curwin->w_height - 1)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1217 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1218 ++done;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1219 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1220 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1221 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1226 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1229 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 /* A sequence of folded lines only counts for one logical line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1231 if (hasFolding(curwin->w_topline, &first, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1232 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233 ++done;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234 if (!byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 line_count -= curwin->w_topline - first - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 curwin->w_botline -= curwin->w_topline - first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 curwin->w_topline = first;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 #endif
7103
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents: 7088
diff changeset
1241 done += PLINES_NOFILL(curwin->w_topline);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1243 --curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1244 invalidate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 curwin->w_wrow += done; /* keep w_wrow updated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247 curwin->w_cline_row += done; /* keep w_cline_row updated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 if (curwin->w_cursor.lnum == curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 curwin->w_cline_row = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252 check_topfill(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 * Compute the row number of the last row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 * and move the cursor onto the displayed part of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259 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
1260 if (curwin->w_p_wrap && curwin->w_width != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264 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
1265 curwin->w_virtcol / curwin->w_width;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1267 while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 if (hasFolding(curwin->w_cursor.lnum, &first, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272 --wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 if (first == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 curwin->w_cursor.lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 curwin->w_cursor.lnum = first - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 wrow -= plines(curwin->w_cursor.lnum--);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 moved = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1284 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1285 if (moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1288 /* Move cursor to first line of closed fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1291 coladvance(curwin->w_curswant);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1292 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1293 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1294
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1295 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1296 * Scroll the current window up by "line_count" logical lines. "CTRL-E"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1297 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1298 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1299 scrollup(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1300 long line_count,
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1301 int byfold UNUSED) /* TRUE: count a closed fold as one line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1302 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1303 #if defined(FEAT_FOLDING) || defined(FEAT_DIFF)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1304 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1305
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1306 if (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1307 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 (byfold && hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 ||
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1314 curwin->w_p_diff
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1317 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1318 /* count each sequence of folded lines as one logical line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1319 lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1320 while (line_count--)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1321 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1322 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1323 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1324 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1325 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1329 if (byfold)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 (void)hasFolding(lnum, NULL, &lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1331 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1332 if (lnum >= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1333 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1334 ++lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1335 # ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1336 curwin->w_topfill = diff_check_fill(curwin, lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1337 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1338 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340 /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341 curwin->w_botline += lnum - curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1342 curwin->w_topline = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 curwin->w_topline += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 curwin->w_botline += line_count; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 if (curwin->w_topline > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 curwin->w_topline = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 if (curwin->w_botline > curbuf->b_ml.ml_line_count + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 curwin->w_botline = curbuf->b_ml.ml_line_count + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 /* Make sure w_topline is at the first of a sequence of folded lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 curwin->w_cursor.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 coladvance(curwin->w_curswant);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1375
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1376 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1377 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1378 * Don't end up with too many filler lines in the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1379 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1380 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1381 check_topfill(
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1382 win_T *wp,
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1383 int down) /* when TRUE scroll down when not enough space */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1384 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1386
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1387 if (wp->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1388 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1389 n = plines_win_nofill(wp, wp->w_topline, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 if (wp->w_topfill + n > wp->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 if (down && wp->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 --wp->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 wp->w_topfill = wp->w_height - n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 if (wp->w_topfill < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 wp->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408 * Use as many filler lines as possible for w_topline. Make sure w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 * is still visible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1411 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1412 max_topfill(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1413 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1414 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1416 n = plines_nofill(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1417 if (n >= curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1418 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1419 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1420 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1421 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1422 if (curwin->w_topfill + n > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1423 curwin->w_topfill = curwin->w_height - n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1424 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1425 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1426 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1427
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1428 #if defined(FEAT_INS_EXPAND) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1429 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1430 * 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
1431 * cursor off the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1432 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1433 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1434 scrolldown_clamp(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1435 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1436 int end_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1437 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1438 int can_fill = (curwin->w_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1439 < diff_check_fill(curwin, curwin->w_topline));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1440 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1441
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1442 if (curwin->w_topline <= 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1443 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1444 && !can_fill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1445 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1446 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1447 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1448
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1451 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 * Compute the row number of the last row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1453 * and make sure it doesn't go off the screen. Make sure the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 * doesn't go past 'scrolloff' lines from the screen end.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 end_row = curwin->w_wrow;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 if (can_fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 ++end_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461 end_row += plines_nofill(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463 end_row += plines(curwin->w_topline - 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 #endif
12477
68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 12152
diff changeset
1465 if (curwin->w_p_wrap && curwin->w_width != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468 validate_virtcol();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469 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
1470 curwin->w_virtcol / curwin->w_width;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471 }
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
1472 if (end_row < curwin->w_height - get_scrolloff_value())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 if (can_fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 ++curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 check_topfill(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 curwin->w_topfill = 0;
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 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 #ifdef FEAT_FOLDING
7009
286fd54c7ae3 patch 7.4.822
Bram Moolenaar <bram@vim.org>
parents: 6689
diff changeset
1489 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 --curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 * 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
1498 * off the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1499 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1500 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1501 scrollup_clamp(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 int start_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 if (curwin->w_topline == curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 && curwin->w_topfill == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 validate_cursor(); /* w_wrow needs to be valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 * Compute the row number of the first row of the cursor line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 * and make sure it doesn't go off the screen. Make sure the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 * doesn't go before 'scrolloff' lines from the screen start.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 start_row = curwin->w_wrow - plines_nofill(curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1521 - curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 start_row = curwin->w_wrow - plines(curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524 #endif
12477
68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 12152
diff changeset
1525 if (curwin->w_p_wrap && curwin->w_width != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527 validate_virtcol();
12515
972ea22c946f patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents: 12477
diff changeset
1528 start_row -= curwin->w_virtcol / curwin->w_width;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 }
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
1530 if (start_row >= get_scrolloff_value())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1535 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536 #endif
36
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1537 {
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1538 #ifdef FEAT_FOLDING
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1539 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline);
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1540 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 ++curwin->w_topline;
36
125e80798a85 updated for version 7.0021
vimboss
parents: 13
diff changeset
1542 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 ++curwin->w_botline; /* approximate w_botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 #endif /* FEAT_INS_EXPAND */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 * 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
1551 * a (wrapped) text line. Uses and sets "lp->fill".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552 * 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
1553 * Lines above the first one are incredibly high: MAXCOL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1556 topline_back(lineoff_T *lp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559 if (lp->fill < diff_check_fill(curwin, lp->lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 /* Add a filler line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 ++lp->fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 --lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 lp->fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 if (lp->lnum < 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 lp->height = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 if (hasFolding(lp->lnum, &lp->lnum, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 /* Add a closed fold */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 #endif
7103
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents: 7088
diff changeset
1581 lp->height = PLINES_NOFILL(lp->lnum);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 * 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
1587 * a (wrapped) text line. Uses and sets "lp->fill".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 * Returns the height of the added line in "lp->height".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589 * Lines below the last one are incredibly high.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1592 botline_forw(lineoff_T *lp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 if (lp->fill < diff_check_fill(curwin, lp->lnum + 1))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 /* Add a filler line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598 ++lp->fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 ++lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 lp->fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1608 if (lp->lnum > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 lp->height = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 if (hasFolding(lp->lnum, NULL, &lp->lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 /* Add a closed fold */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 #endif
7103
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents: 7088
diff changeset
1617 lp->height = PLINES_NOFILL(lp->lnum);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1621 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 * Switch from including filler lines below lp->lnum to including filler
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624 * lines above loff.lnum + 1. This keeps pointing to the same line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 * When there are no filler lines nothing changes.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1628 botline_topline(lineoff_T *lp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 ++lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 * Switch from including filler lines above lp->lnum to including filler
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639 * lines below loff.lnum - 1. This keeps pointing to the same line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 * When there are no filler lines nothing changes.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1643 topline_botline(lineoff_T *lp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 --lp->lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1652
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654 * Recompute topline to put the cursor at the top of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1655 * Scroll at least "min_scroll" lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656 * If "always" is TRUE, always set topline (for "zt").
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1657 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1659 scroll_cursor_top(int min_scroll, int always)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1661 int scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1662 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1663 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 linenr_T top; /* just above displayed lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 linenr_T bot; /* just below displayed lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 linenr_T old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1670 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 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
1672 int off = get_scrolloff_value();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1675 if (mouse_dragging > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 off = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1678
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 * Decrease topline until:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681 * - it has become 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682 * - (part of) the cursor line is moved off the screen or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 * - moved at least 'scrolljump' lines and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 * - at least 'scrolloff' lines above and below the cursor
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 validate_cheight();
7082
ad4c039349f6 commit https://github.com/vim/vim/commit/cf619daa8e0ef9a335f27f65eb74e422a17d4f92
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1687 used = curwin->w_cline_height; /* includes filler lines above */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 if (curwin->w_cursor.lnum < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 scrolled = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 if (hasFolding(curwin->w_cursor.lnum, &top, &bot))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 --top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 ++bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1698 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1699 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1700 top = curwin->w_cursor.lnum - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1701 bot = curwin->w_cursor.lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1702 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 new_topline = top + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 #ifdef FEAT_DIFF
7088
8a58dde655a8 commit https://github.com/vim/vim/commit/a09a2c5857ab854f0870573b5160da1964c905a2
Christian Brabandt <cb@256bit.org>
parents: 7082
diff changeset
1706 /* "used" already contains the number of filler lines above, don't add it
7082
ad4c039349f6 commit https://github.com/vim/vim/commit/cf619daa8e0ef9a335f27f65eb74e422a17d4f92
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1707 * again.
7088
8a58dde655a8 commit https://github.com/vim/vim/commit/a09a2c5857ab854f0870573b5160da1964c905a2
Christian Brabandt <cb@256bit.org>
parents: 7082
diff changeset
1708 * Hide filler lines above cursor line by adding them to "extra". */
8a58dde655a8 commit https://github.com/vim/vim/commit/a09a2c5857ab854f0870573b5160da1964c905a2
Christian Brabandt <cb@256bit.org>
parents: 7082
diff changeset
1709 extra += diff_check_fill(curwin, curwin->w_cursor.lnum);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 * 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
1714 * set new_topline and advance "top" and "bot" to include more lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 while (top > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 if (hasFolding(top, &top, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 /* count one logical line for a sequence of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 #endif
7103
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents: 7088
diff changeset
1724 i = PLINES_NOFILL(top);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1725 used += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1726 if (extra + i <= off && bot < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1728 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 if (hasFolding(bot, NULL, &bot))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 /* count one logical line for a sequence of folded lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 ++used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 used += plines(bot);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 if (top < curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 * If scrolling is needed, scroll at least 'sj' lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 if ((new_topline >= curwin->w_topline || scrolled > min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 && extra >= off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 extra += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 new_topline = top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 --top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 ++bot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 * If we don't have enough space, put cursor in the middle.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 * This makes sure we get the same position when using "k" and "j"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 * in a small window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1758 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 * If "always" is FALSE, only adjust topline to a lower value, higher
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765 * value may happen with wrapping lines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 if (new_topline < curwin->w_topline || always)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768 curwin->w_topline = new_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 if (curwin->w_topline > curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 curwin->w_topline = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1771 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1773 if (curwin->w_topfill > 0 && extra > off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1774 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1775 curwin->w_topfill -= extra - off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776 if (curwin->w_topfill < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1778 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1781 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1782 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1785 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1787 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1792 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 * 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
1794 * screen lines for text lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1797 set_empty_rows(win_T *wp, int used)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 wp->w_filler_rows = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 if (used == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 wp->w_empty_rows = 0; /* single line that doesn't fit */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 wp->w_empty_rows = wp->w_height - used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808 if (wp->w_botline <= wp->w_buffer->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 wp->w_filler_rows = diff_check_fill(wp, wp->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811 if (wp->w_empty_rows > wp->w_filler_rows)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 wp->w_empty_rows -= wp->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 wp->w_filler_rows = wp->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 wp->w_empty_rows = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 * Recompute topline to put the cursor at the bottom of the window.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 * Scroll at least "min_scroll" lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 * If "set_topbot" is TRUE, set topline and botline first (for "zb").
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 * This is messy stuff!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1830 scroll_cursor_bot(int min_scroll, int set_topbot)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 int scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837 linenr_T old_topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839 lineoff_T boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1841 int old_topfill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842 int fill_below_window;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844 linenr_T old_botline = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845 linenr_T old_valid = curwin->w_valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846 int old_empty_rows = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 linenr_T cln; /* Cursor Line Number */
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
1848 long so = get_scrolloff_value();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1849
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1850 cln = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 if (set_topbot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853 used = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 curwin->w_botline = cln + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 for (curwin->w_topline = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 curwin->w_topline > 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 curwin->w_topline = loff.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862 loff.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1864 if (loff.height == MAXCOL || used + loff.height > curwin->w_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 used += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1867 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 set_empty_rows(curwin, used);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 if (curwin->w_topline != old_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 || curwin->w_topfill != old_topfill
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 curwin->w_valid &= ~(VALID_WROW|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 /* The lines of the cursor line itself are always used. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 used = plines_nofill(cln);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1887 validate_cheight();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888 used = curwin->w_cline_height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 /* If the cursor is below botline, we will at least scroll by the height
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892 * of the cursor line. Correct for empty lines, which are really part of
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 * botline. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 if (cln >= curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 scrolled = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897 if (cln == curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 * Stop counting lines to scroll when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903 * - hitting start of the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 * - 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
1905 * - at least 'scrolloff' lines below the cursor
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 * - lines between botline and cursor have been counted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909 if (!hasFolding(curwin->w_cursor.lnum, &loff.lnum, &boff.lnum))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 loff.lnum = cln;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913 boff.lnum = cln;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1915 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 boff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 fill_below_window = diff_check_fill(curwin, curwin->w_botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1919 - curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 while (loff.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 /* Stop when scrolled nothing or at least "min_scroll", found "extra"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 * context for 'scrolloff' and counted all lines below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 if ((((scrolled <= 0 || scrolled >= min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 && extra >= (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
1929 mouse_dragging > 0 ? mouse_dragging - 1 :
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930 #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
1931 so))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 || boff.lnum + 1 > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933 && loff.lnum <= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935 && (loff.lnum < curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1936 || loff.fill >= fill_below_window)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1937 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 /* Add one line above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1943 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1944 used = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1945 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
1946 used += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1947 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1948 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1949 if (loff.lnum >= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1950 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1951 && (loff.lnum > curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1952 || loff.fill <= fill_below_window)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1953 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 /* Count screen lines that are below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957 scrolled += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 if (loff.lnum == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 #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
1960 && loff.fill == 0
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1961 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1962 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963 scrolled -= curwin->w_empty_rows;
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 if (boff.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 /* Add one line below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 used += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 if (extra < (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974 #ifdef FEAT_MOUSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 mouse_dragging > 0 ? mouse_dragging - 1 :
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 #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
1977 so) || scrolled < min_scroll)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 extra += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1980 if (boff.lnum >= curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 || (boff.lnum + 1 == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 && boff.fill > curwin->w_filler_rows)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 /* Count screen lines that are below the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 scrolled += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 if (boff.lnum == curwin->w_botline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 && boff.fill == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994 scrolled -= curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1996 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000 /* curwin->w_empty_rows is larger, no need to scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001 if (scrolled <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2003 /* more than a screenfull, don't scroll but redraw */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2004 else if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005 line_count = used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 /* scroll minimal number of lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2011 boff.fill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 boff.lnum = curwin->w_topline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 for (i = 0; i < scrolled && boff.lnum < curwin->w_botline; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2016 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2017 i += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2018 ++line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2019 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020 if (i < scrolled) /* below curwin->w_botline, don't scroll */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 line_count = 9999;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 * Scroll up if the cursor is off the bottom of the screen a bit.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026 * Otherwise put it at 1/2 of the screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2028 if (line_count >= curwin->w_height && line_count > min_scroll)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2029 scroll_cursor_halfway(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2030 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2031 scrollup(line_count, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 * 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
2035 * (we changed them).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 * If topline did change, update_screen() will set botline.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 if (curwin->w_topline == old_topline && set_topbot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2040 curwin->w_botline = old_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 curwin->w_empty_rows = old_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 curwin->w_valid = old_valid;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2045 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2046
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048 * Recompute topline to put the cursor halfway the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2049 * If "atend" is TRUE, also put it halfway at the end of the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2050 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2052 scroll_cursor_halfway(int atend)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 int above = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2055 linenr_T topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2056 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 int topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059 int below = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 int used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 lineoff_T boff;
5661
df3b0b70d8c1 updated for version 7.4.177
Bram Moolenaar <bram@vim.org>
parents: 5653
diff changeset
2063 #ifdef FEAT_DIFF
5653
233ad7b960d0 updated for version 7.4.173
Bram Moolenaar <bram@vim.org>
parents: 3968
diff changeset
2064 linenr_T old_topline = curwin->w_topline;
5661
df3b0b70d8c1 updated for version 7.4.177
Bram Moolenaar <bram@vim.org>
parents: 5653
diff changeset
2065 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067 loff.lnum = boff.lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 (void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 used = plines_nofill(loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074 boff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 used = plines(loff.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2077 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2078 topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2079 while (topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2081 if (below <= above) /* add a line below the cursor first */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2082 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 if (boff.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 botline_forw(&boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 used += boff.height;
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 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089 below += boff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 ++below; /* count a "~" line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 if (atend)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2095 ++used;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 if (below > above) /* add a line above the cursor */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2102 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2103 used = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2104 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2105 used += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 if (used > curwin->w_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 above += loff.height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 topline = loff.lnum;
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 topfill = loff.fill;
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2115 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2116 if (!hasFolding(topline, &curwin->w_topline, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 curwin->w_topline = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 curwin->w_topfill = topfill;
5653
233ad7b960d0 updated for version 7.4.173
Bram Moolenaar <bram@vim.org>
parents: 3968
diff changeset
2121 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
2122 curwin->w_botfill = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 * 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
2131 * 'scrolloff' lines from the top and bottom, if possible.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132 * If not possible, put it at the same position as scroll_cursor_halfway().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133 * When called topline must be valid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2134 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2136 cursor_correct(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2138 int above = 0; /* screen lines above topline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2139 linenr_T topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2140 int below = 0; /* screen lines below botline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 linenr_T botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 int above_wanted, below_wanted;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 linenr_T cln; /* Cursor Line Number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 int max_off;
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
2145 long so = get_scrolloff_value();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 * How many lines we would like to have above/below the cursor depends on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2149 * whether the first/last line of the file is on screen.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150 */
15713
ad8b2c109b22 patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents: 15697
diff changeset
2151 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
2152 below_wanted = so;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
2154 if (mouse_dragging > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156 above_wanted = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 below_wanted = mouse_dragging - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 above_wanted = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 max_off = curwin->w_height / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 if (below_wanted > max_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 below_wanted = max_off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 if (curwin->w_botline == curbuf->b_ml.ml_line_count + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 #ifdef FEAT_MOUSE
1121
e63691e7c504 updated for version 7.1a
vimboss
parents: 752
diff changeset
2170 && mouse_dragging == 0
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 below_wanted = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 max_off = (curwin->w_height - 1) / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 if (above_wanted > max_off)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 above_wanted = max_off;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 * If there are sufficient file-lines above and below the cursor, we can
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 * return now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 cln = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2185 if (cln >= curwin->w_topline + above_wanted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186 && cln < curwin->w_botline - below_wanted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 && !hasAnyFolding(curwin)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 * Narrow down the area where the cursor can be put by taking lines from
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 * the top and the bottom until:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 * - the desired context lines are found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197 * - the lines from the top is past the lines from the bottom
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199 topline = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200 botline = curwin->w_botline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 /* count filler lines as context */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 above = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 below = curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 while ((above < above_wanted || below < below_wanted) && topline < botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 if (below < below_wanted && (below <= above || above >= above_wanted))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 if (hasFolding(botline, &botline, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 ++below;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 below += plines(botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 --botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 if (above < above_wanted && (above < below || below >= below_wanted))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 if (hasFolding(topline, NULL, &topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222 ++above;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 #endif
7103
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents: 7088
diff changeset
2225 above += PLINES_NOFILL(topline);
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents: 7088
diff changeset
2226 #ifdef FEAT_DIFF
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 /* Count filler lines below this line as context. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 if (topline < botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229 above += diff_check_fill(curwin, topline + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231 ++topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 if (topline == botline || botline == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 curwin->w_cursor.lnum = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 else if (topline > botline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 curwin->w_cursor.lnum = botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 if (cln < topline && curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 curwin->w_cursor.lnum = topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 if (cln > botline && curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 curwin->w_cursor.lnum = botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 curwin->w_valid |= VALID_TOPLINE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255
7803
37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents: 7103
diff changeset
2256 static void get_scroll_overlap(lineoff_T *lp, int dir);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 * move screen 'count' pages up or down and update screen
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 int
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2264 onepage(int dir, long count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266 long n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 int retval = OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 lineoff_T loff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 linenr_T old_topline = curwin->w_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
2270 long so = get_scrolloff_value();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 if (curbuf->b_ml.ml_line_count == 1) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 beep_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278 for ( ; count > 0; --count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 * 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
2283 * 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
2284 * is on the screen and the topline is 'scrolloff' lines from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 * last line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 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
2288 ? ((curwin->w_topline >= curbuf->b_ml.ml_line_count - so)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 && curwin->w_botline > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 : (curwin->w_topline == 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 && curwin->w_topfill ==
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293 diff_check_fill(curwin, curwin->w_topline)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 ))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 beep_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 retval = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301
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 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 if (dir == FORWARD)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 {
10349
cf988222b150 commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660
Christian Brabandt <cb@256bit.org>
parents: 10295
diff changeset
2307 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 {
164
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2309 /* Vi compatible scrolling */
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2310 if (p_window <= 2)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2311 ++curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2312 else
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2313 curwin->w_topline += p_window - 2;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2314 if (curwin->w_topline > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2315 curwin->w_topline = curbuf->b_ml.ml_line_count;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2316 curwin->w_cursor.lnum = curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2317 }
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2318 else if (curwin->w_botline > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2319 {
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2320 /* at end of file */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 curwin->w_topline = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325 curwin->w_valid &= ~(VALID_WROW|VALID_CROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329 /* For the overlap, start with the line just below the window
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330 * and go upwards. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331 loff.lnum = curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333 loff.fill = diff_check_fill(curwin, loff.lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334 - curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336 get_scroll_overlap(&loff, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337 curwin->w_topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 curwin->w_cursor.lnum = curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 curwin->w_valid &= ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 else /* dir == BACKWARDS */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 if (curwin->w_topline == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 /* Include max number of filler lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 #endif
10349
cf988222b150 commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660
Christian Brabandt <cb@256bit.org>
parents: 10295
diff changeset
2357 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1)
164
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2358 {
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2359 /* Vi compatible scrolling (sort of) */
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2360 if (p_window <= 2)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2361 --curwin->w_topline;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2362 else
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2363 curwin->w_topline -= p_window - 2;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2364 if (curwin->w_topline < 1)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2365 curwin->w_topline = 1;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2366 curwin->w_cursor.lnum = curwin->w_topline + p_window - 1;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2367 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2368 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2369 continue;
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2370 }
8b0ee9d57d7f updated for version 7.0050
vimboss
parents: 161
diff changeset
2371
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2372 /* Find the line at the top of the window that is going to be the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2373 * line at the bottom of the window. Make sure this results in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2374 * the same line as before doing CTRL-F. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2375 loff.lnum = curwin->w_topline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 loff.fill = diff_check_fill(curwin, loff.lnum + 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 - curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2379 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2380 get_scroll_overlap(&loff, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2381
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 if (loff.lnum >= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 loff.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 loff.fill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 botline_topline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 curwin->w_cursor.lnum = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 /* Find the line just above the new topline to get the right line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 * at the bottom of the window. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 n = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 while (n <= curwin->w_height && loff.lnum >= 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400 topline_back(&loff);
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2401 if (loff.height == MAXCOL)
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2402 n = MAXCOL;
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2403 else
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2404 n += loff.height;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 }
2082
8ca3c9ad0bee updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents: 2070
diff changeset
2406 if (loff.lnum < 1) /* at begin of file */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408 curwin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2411 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 /* Go two lines forward again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2418 topline_botline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2419 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2420 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2421 botline_forw(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2422 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2423 botline_topline(&loff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2426 /* We're at the wrong end of a fold now. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427 (void)hasFolding(loff.lnum, &loff.lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2429
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2430 /* Always scroll at least one line. Avoid getting stuck on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 * very long lines. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 if (loff.lnum >= curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 && (loff.lnum > curwin->w_topline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 || loff.fill >= curwin->w_topfill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2436 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2438 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 /* First try using the maximum number of filler lines. If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 * that's not enough, backup one line. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442 loff.fill = curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443 if (curwin->w_topfill < diff_check_fill(curwin,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 max_topfill();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 if (curwin->w_topfill == loff.fill)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2447 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2449 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454 comp_botline(curwin);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455 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
2456 curwin->w_valid &=
b650f2db8f96 updated for version 7.4.226
Bram Moolenaar <bram@vim.org>
parents: 5749
diff changeset
2457 ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|VALID_CROW);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 curwin->w_topline = loff.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463 curwin->w_topfill = loff.fill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464 check_topfill(curwin, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2465 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2466 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2467 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2469 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2471 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474 cursor_correct();
10102
b80ad55d62d8 commit https://github.com/vim/vim/commit/bc54f3f3fed4dc3556df8c46cee6739d211b0eb2
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
2475 check_cursor_col();
161
6df0106fc595 updated for version 7.0049
vimboss
parents: 119
diff changeset
2476 if (retval == OK)
6df0106fc595 updated for version 7.0049
vimboss
parents: 119
diff changeset
2477 beginline(BL_SOL | BL_FIX);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 curwin->w_valid &= ~(VALID_WCOL|VALID_WROW|VALID_VIRTCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479
14317
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents: 13384
diff changeset
2480 if (retval == OK && dir == FORWARD)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 {
14317
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents: 13384
diff changeset
2482 // 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
2483 // 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
2484 // 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
2485 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
2486 {
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents: 13384
diff changeset
2487 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
2488 if (curwin->w_topline <= old_topline
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2489 && 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
2490 {
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents: 13384
diff changeset
2491 curwin->w_topline = old_topline + 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 #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
2493 (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
2494 #endif
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents: 13384
diff changeset
2495 }
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents: 13384
diff changeset
2496 }
1bc96dbb5498 patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents: 13384
diff changeset
2497 #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
2498 else if (curwin->w_botline > curbuf->b_ml.ml_line_count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2505 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2507 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 * Decide how much overlap to use for page-up or page-down scrolling.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 * This is symmetric, so that doing both keeps the same lines displayed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 * Three lines are examined:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2511 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2512 * before CTRL-F after CTRL-F / before CTRL-B
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513 * etc. l1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 * l1 last but one line ------------
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515 * l2 last text line l2 top text line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516 * ------------- l3 second text line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2517 * l3 etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2518 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2519 static void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2520 get_scroll_overlap(lineoff_T *lp, int dir)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 int h1, h2, h3, h4;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 int min_height = curwin->w_height - 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 lineoff_T loff0, loff1, loff2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 if (lp->fill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 lp->height = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2530 lp->height = plines_nofill(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2531 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2532 lp->height = plines(lp->lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2533 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2534 h1 = lp->height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 if (h1 > min_height)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2536 return; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2537
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 loff0 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 h2 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2544 if (h2 == MAXCOL || h2 + h1 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2545 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2546 *lp = loff0; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2547 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2548 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2549
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2550 loff1 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2551 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2552 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2554 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2555 h3 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2556 if (h3 == MAXCOL || h3 + h2 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2557 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2558 *lp = loff0; /* no overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2559 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2560 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2561
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2562 loff2 = *lp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2563 if (dir > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2564 botline_forw(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2565 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2566 topline_back(lp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2567 h4 = lp->height;
3968
e2d36f345a7f updated for version 7.3.739
Bram Moolenaar <bram@vim.org>
parents: 3433
diff changeset
2568 if (h4 == MAXCOL || h4 + h3 + h2 > min_height || h3 + h2 + h1 > min_height)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2569 *lp = loff1; /* 1 line overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2570 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2571 *lp = loff2; /* 2 lines overlap */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2572 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2573 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2574
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2575 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576 * Scroll 'scroll' lines up or down.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2579 halfpage(int flag, linenr_T Prenum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 long scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 int room;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 if (Prenum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 curwin->w_p_scr = (Prenum > curwin->w_height) ?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588 curwin->w_height : Prenum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 n = (curwin->w_p_scr <= curwin->w_height) ?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590 curwin->w_p_scr : curwin->w_height;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591
11258
84f71a8a5f2c patch 8.0.0515: ml_get errors in silent Ex mode
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
2592 update_topline();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 validate_botline();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594 room = curwin->w_empty_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2595 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 room += curwin->w_filler_rows;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 if (flag)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 * scroll the text up
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 while (n > 0 && curwin->w_botline <= curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 if (curwin->w_topfill > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 if (--n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 --curwin->w_topfill;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 {
7103
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents: 7088
diff changeset
2616 i = PLINES_NOFILL(curwin->w_topline);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 n -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 if (n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 ++curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2631 curwin->w_valid &=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632 ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 curwin->w_valid &= ~(VALID_CROW|VALID_WROW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2637
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 * Correct w_botline for changed w_topline.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 * Won't work when there are filler lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641 */
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 if (curwin->w_p_diff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 room += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 do
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651 i = plines(curwin->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652 if (i > room)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2653 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 (void)hasFolding(curwin->w_botline, NULL,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 &curwin->w_botline);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 ++curwin->w_botline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 room -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 } while (curwin->w_botline <= curbuf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 * When hit bottom of the file: move cursor down.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 if (n > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 while (--n >= 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 (void)hasFolding(curwin->w_cursor.lnum, NULL,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 &curwin->w_cursor.lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 ++curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2679 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 curwin->w_cursor.lnum += n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 check_cursor_lnum();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2689 * scroll the text down
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2690 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691 while (n > 0 && curwin->w_topline > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2694 if (curwin->w_topfill < diff_check_fill(curwin, curwin->w_topline))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 i = 1;
16042
7952be788a49 patch 8.1.1026: unused condition
Bram Moolenaar <Bram@vim.org>
parents: 15713
diff changeset
2697 --n;
7
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 {
7103
84d318257a45 commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents: 7088
diff changeset
2703 i = PLINES_NOFILL(curwin->w_topline - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 n -= i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 if (n < 0 && scrolled > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707 --curwin->w_topline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2711 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 curwin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 curwin->w_valid &= ~(VALID_CROW|VALID_WROW|
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716 VALID_BOTLINE|VALID_BOTLINE_AP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 scrolled += i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 if (curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 curwin->w_valid &= ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 }
16042
7952be788a49 patch 8.1.1026: unused condition
Bram Moolenaar <Bram@vim.org>
parents: 15713
diff changeset
2724
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 * When hit top of the file: move cursor up.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 if (n > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 if (curwin->w_cursor.lnum <= (linenr_T)n)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 curwin->w_cursor.lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 if (hasAnyFolding(curwin))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 while (--n >= 0 && curwin->w_cursor.lnum > 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 --curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 (void)hasFolding(curwin->w_cursor.lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 &curwin->w_cursor.lnum, NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 curwin->w_cursor.lnum -= n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 # ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 /* Move cursor to first line of closed fold. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750 foldAdjustCursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 #ifdef FEAT_DIFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2753 check_topfill(curwin, !flag);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 cursor_correct();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 beginline(BL_SOL | BL_FIX);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 redraw_later(VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 }
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2759
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2760 void
7829
2a8d6b2dd925 commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2761 do_check_cursorbind(void)
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2762 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2763 linenr_T line = curwin->w_cursor.lnum;
3415
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2764 colnr_T col = curwin->w_cursor.col;
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2765 colnr_T coladd = curwin->w_cursor.coladd;
3433
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2766 colnr_T curswant = curwin->w_curswant;
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2767 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
2768 win_T *old_curwin = curwin;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2769 buf_T *old_curbuf = curbuf;
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2770 int restart_edit_save;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2771 int old_VIsual_select = VIsual_select;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2772 int old_VIsual_active = VIsual_active;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2773
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2774 /*
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2775 * loop through the cursorbound windows
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2776 */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2777 VIsual_select = VIsual_active = 0;
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 8643
diff changeset
2778 FOR_ALL_WINDOWS(curwin)
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2779 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2780 curbuf = curwin->w_buffer;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2781 /* skip original window and windows with 'noscrollbind' */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2782 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
2783 {
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2784 # ifdef FEAT_DIFF
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2785 if (curwin->w_p_diff)
10295
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents: 10102
diff changeset
2786 curwin->w_cursor.lnum =
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents: 10102
diff changeset
2787 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
2788 else
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2789 # endif
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2790 curwin->w_cursor.lnum = line;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2791 curwin->w_cursor.col = col;
3415
7f1bce9c9b79 updated for version 7.3.473
Bram Moolenaar <bram@vim.org>
parents: 3318
diff changeset
2792 curwin->w_cursor.coladd = coladd;
3433
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2793 curwin->w_curswant = curswant;
3229335d0c4e updated for version 7.3.482
Bram Moolenaar <bram@vim.org>
parents: 3415
diff changeset
2794 curwin->w_set_curswant = set_curswant;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2795
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2796 /* Make sure the cursor is in a valid position. Temporarily set
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2797 * "restart_edit" to allow the cursor to be beyond the EOL. */
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2798 restart_edit_save = restart_edit;
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2799 restart_edit = TRUE;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2800 check_cursor();
10607
e39300d3d2cf patch 8.0.0193: accidentally removed #ifdef
Christian Brabandt <cb@256bit.org>
parents: 10597
diff changeset
2801 # ifdef FEAT_SYN_HL
10597
472bff31a20a patch 8.0.0188: redrawing for 'cursorbind' is inefficient
Christian Brabandt <cb@256bit.org>
parents: 10585
diff changeset
2802 if (curwin->w_p_cul || curwin->w_p_cuc)
10583
f91c0376f2c6 patch 8.0.0181: with cursorbind set cursor column highlighting is off
Christian Brabandt <cb@256bit.org>
parents: 10349
diff changeset
2803 validate_cursor();
10607
e39300d3d2cf patch 8.0.0193: accidentally removed #ifdef
Christian Brabandt <cb@256bit.org>
parents: 10597
diff changeset
2804 # endif
2693
0606065af0a0 updated for version 7.3.111
Bram Moolenaar <bram@vim.org>
parents: 2688
diff changeset
2805 restart_edit = restart_edit_save;
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2806 /* Correct cursor for multi-byte character. */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2807 if (has_mbyte)
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2808 mb_adjust_cursor();
10597
472bff31a20a patch 8.0.0188: redrawing for 'cursorbind' is inefficient
Christian Brabandt <cb@256bit.org>
parents: 10585
diff changeset
2809 redraw_later(VALID);
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2810
2688
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2811 /* Only scroll when 'scrollbind' hasn't done this. */
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2812 if (!curwin->w_p_scb)
f016c3708ae3 updated for version 7.3.106
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2813 update_topline();
2250
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2814 curwin->w_redr_status = TRUE;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2815 }
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2816 }
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2817
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2818 /*
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2819 * reset current-window
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2820 */
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2821 VIsual_select = old_VIsual_select;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2822 VIsual_active = old_VIsual_active;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2823 curwin = old_curwin;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2824 curbuf = old_curbuf;
1bac28a53fae Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
2825 }