Mercurial > vim
annotate src/move.c @ 31053:39f96b1e7b8d v9.0.0861
patch 9.0.0861: solution for "!!sort" in closed fold is not optimal
Commit: https://github.com/vim/vim/commit/9954dc39ea090cee6bf41c888c41e60d9f52c3b8
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Nov 11 22:58:36 2022 +0000
patch 9.0.0861: solution for "!!sort" in closed fold is not optimal
Problem: Solution for "!!sort" in closed fold is not optimal.
Solution: Use a different range instead of the subtle difference in handling
a range with an offset. (issue #11487)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 12 Nov 2022 00:00:04 +0100 |
parents | 1819fe895aea |
children | b7834109fefe |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 2 * |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
6 * Do ":help credits" in Vim to see a list of people who contributed. | |
7 * See README.txt for an overview of the Vim source code. | |
8 */ | |
9 /* | |
10 * move.c: Functions for moving the cursor and scrolling text. | |
11 * | |
12 * There are two ways to move the cursor: | |
13 * 1. Move the cursor directly, the text is scrolled to keep the cursor in the | |
14 * window. | |
15 * 2. Scroll the text, the cursor is moved into the text visible in the | |
16 * window. | |
17 * The 'scrolloff' option makes this a bit complicated. | |
18 */ | |
19 | |
20 #include "vim.h" | |
21 | |
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22 static int scrolljump_value(void); |
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23 static int check_top_offset(void); |
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24 static void curs_rows(win_T *wp); |
7 | 25 |
26 typedef struct | |
27 { | |
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28 linenr_T lnum; // line number |
7 | 29 #ifdef FEAT_DIFF |
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30 int fill; // filler lines |
7 | 31 #endif |
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32 int height; // height of added line |
7 | 33 } lineoff_T; |
34 | |
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35 static void topline_back(lineoff_T *lp); |
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36 static void botline_forw(lineoff_T *lp); |
7 | 37 |
38 /* | |
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39 * Reduce "n" for the screen lines skipped with "wp->w_skipcol". |
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40 */ |
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41 static int |
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42 adjust_plines_for_skipcol(win_T *wp, int n) |
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43 { |
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44 if (wp->w_skipcol == 0) |
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45 return n; |
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46 |
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47 int off = 0; |
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48 int width = wp->w_width - win_col_off(wp); |
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49 if (wp->w_skipcol >= width) |
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50 { |
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51 ++off; |
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52 int skip = wp->w_skipcol - width; |
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53 width += win_col_off2(wp); |
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54 while (skip >= width) |
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55 { |
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56 ++off; |
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57 skip -= width; |
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58 } |
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59 } |
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60 wp->w_valid &= ~VALID_WROW; |
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61 return n - off; |
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62 } |
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63 |
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64 /* |
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65 * Return how many lines "lnum" will take on the screen, taking into account |
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66 * whether it is the first line, whether w_skipcol is non-zero and limiting to |
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67 * the window height. |
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68 */ |
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69 static int |
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70 plines_correct_topline(win_T *wp, linenr_T lnum) |
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71 { |
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72 int n; |
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73 #ifdef FEAT_DIFF |
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74 if (lnum == wp->w_topline) |
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75 n = plines_win_nofill(wp, lnum, FALSE) + wp->w_topfill; |
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76 else |
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77 #endif |
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78 n = plines_win(wp, lnum, FALSE); |
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79 if (lnum == wp->w_topline) |
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80 n = adjust_plines_for_skipcol(wp, n); |
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81 if (n > wp->w_height) |
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82 n = wp->w_height; |
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83 return n; |
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84 } |
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85 |
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86 /* |
7 | 87 * Compute wp->w_botline for the current wp->w_topline. Can be called after |
88 * wp->w_topline changed. | |
89 */ | |
90 static void | |
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91 comp_botline(win_T *wp) |
7 | 92 { |
93 int n; | |
94 linenr_T lnum; | |
95 int done; | |
96 #ifdef FEAT_FOLDING | |
97 linenr_T last; | |
98 int folded; | |
99 #endif | |
100 | |
101 /* | |
102 * If w_cline_row is valid, start there. | |
103 * Otherwise have to start at w_topline. | |
104 */ | |
105 check_cursor_moved(wp); | |
106 if (wp->w_valid & VALID_CROW) | |
107 { | |
108 lnum = wp->w_cursor.lnum; | |
109 done = wp->w_cline_row; | |
110 } | |
111 else | |
112 { | |
113 lnum = wp->w_topline; | |
114 done = 0; | |
115 } | |
116 | |
117 for ( ; lnum <= wp->w_buffer->b_ml.ml_line_count; ++lnum) | |
118 { | |
119 #ifdef FEAT_FOLDING | |
120 last = lnum; | |
121 folded = FALSE; | |
122 if (hasFoldingWin(wp, lnum, NULL, &last, TRUE, NULL)) | |
123 { | |
124 n = 1; | |
125 folded = TRUE; | |
126 } | |
127 else | |
128 #endif | |
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129 { |
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130 n = plines_correct_topline(wp, lnum); |
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131 } |
7 | 132 if ( |
133 #ifdef FEAT_FOLDING | |
134 lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum | |
135 #else | |
136 lnum == wp->w_cursor.lnum | |
137 #endif | |
138 ) | |
139 { | |
140 wp->w_cline_row = done; | |
141 wp->w_cline_height = n; | |
142 #ifdef FEAT_FOLDING | |
143 wp->w_cline_folded = folded; | |
144 #endif | |
5764 | 145 redraw_for_cursorline(wp); |
7 | 146 wp->w_valid |= (VALID_CROW|VALID_CHEIGHT); |
147 } | |
148 if (done + n > wp->w_height) | |
149 break; | |
150 done += n; | |
151 #ifdef FEAT_FOLDING | |
152 lnum = last; | |
153 #endif | |
154 } | |
155 | |
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156 // wp->w_botline is the line that is just below the window |
7 | 157 wp->w_botline = lnum; |
158 wp->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; | |
159 | |
160 set_empty_rows(wp, done); | |
161 } | |
162 | |
163 /* | |
5764 | 164 * Redraw when w_cline_row changes and 'relativenumber' or 'cursorline' is |
165 * set. | |
166 */ | |
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167 void |
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168 redraw_for_cursorline(win_T *wp) |
5764 | 169 { |
170 if ((wp->w_p_rnu | |
171 #ifdef FEAT_SYN_HL | |
172 || wp->w_p_cul | |
173 #endif | |
174 ) | |
175 && (wp->w_valid & VALID_CROW) == 0 | |
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176 && !pum_visible()) |
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177 { |
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178 // win_line() will redraw the number column and cursorline only. |
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179 redraw_win_later(wp, UPD_VALID); |
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180 } |
5764 | 181 } |
182 | |
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183 #ifdef FEAT_SYN_HL |
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184 /* |
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185 * Redraw when w_virtcol changes and 'cursorcolumn' is set or 'cursorlineopt' |
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186 * contains "screenline". |
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187 */ |
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188 static void |
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189 redraw_for_cursorcolumn(win_T *wp) |
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190 { |
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191 if ((wp->w_valid & VALID_VIRTCOL) == 0 && !pum_visible()) |
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192 { |
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193 // When 'cursorcolumn' is set need to redraw with UPD_SOME_VALID. |
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194 if (wp->w_p_cuc) |
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195 redraw_win_later(wp, UPD_SOME_VALID); |
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196 // When 'cursorlineopt' contains "screenline" need to redraw with |
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197 // UPD_VALID. |
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198 else if (wp->w_p_cul && (wp->w_p_culopt_flags & CULOPT_SCRLINE)) |
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199 redraw_win_later(wp, UPD_VALID); |
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200 } |
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201 } |
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202 #endif |
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203 |
5764 | 204 /* |
7 | 205 * Update curwin->w_topline and redraw if necessary. |
206 * Used to update the screen before printing a message. | |
207 */ | |
208 void | |
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209 update_topline_redraw(void) |
7 | 210 { |
211 update_topline(); | |
212 if (must_redraw) | |
213 update_screen(0); | |
214 } | |
215 | |
216 /* | |
217 * Update curwin->w_topline to move the cursor onto the screen. | |
218 */ | |
219 void | |
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220 update_topline(void) |
7 | 221 { |
222 long line_count; | |
223 int halfheight; | |
224 int n; | |
225 linenr_T old_topline; | |
226 #ifdef FEAT_DIFF | |
227 int old_topfill; | |
228 #endif | |
229 #ifdef FEAT_FOLDING | |
230 linenr_T lnum; | |
231 #endif | |
232 int check_topline = FALSE; | |
233 int check_botline = FALSE; | |
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234 long *so_ptr = curwin->w_p_so >= 0 ? &curwin->w_p_so : &p_so; |
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235 int save_so = *so_ptr; |
7 | 236 |
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237 // Cursor is updated instead when this is TRUE for 'splitkeep'. |
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238 if (skip_update_topline) |
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239 return; |
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240 |
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241 // If there is no valid screen and when the window height is zero just use |
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242 // the cursor line. |
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243 if (!screen_valid(TRUE) || curwin->w_height == 0) |
6247 | 244 { |
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245 check_cursor_lnum(); |
6247 | 246 curwin->w_topline = curwin->w_cursor.lnum; |
247 curwin->w_botline = curwin->w_topline; | |
248 curwin->w_scbind_pos = 1; | |
249 return; | |
250 } | |
251 | |
7 | 252 check_cursor_moved(curwin); |
253 if (curwin->w_valid & VALID_TOPLINE) | |
254 return; | |
255 | |
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256 // When dragging with the mouse, don't scroll that quickly |
1121 | 257 if (mouse_dragging > 0) |
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258 *so_ptr = mouse_dragging - 1; |
7 | 259 |
260 old_topline = curwin->w_topline; | |
261 #ifdef FEAT_DIFF | |
262 old_topfill = curwin->w_topfill; | |
263 #endif | |
264 | |
265 /* | |
266 * If the buffer is empty, always set topline to 1. | |
267 */ | |
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268 if (BUFEMPTY()) // special case - file is empty |
7 | 269 { |
270 if (curwin->w_topline != 1) | |
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271 redraw_later(UPD_NOT_VALID); |
7 | 272 curwin->w_topline = 1; |
273 curwin->w_botline = 2; | |
274 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; | |
275 curwin->w_scbind_pos = 1; | |
276 } | |
277 | |
278 /* | |
279 * If the cursor is above or near the top of the window, scroll the window | |
280 * to show the line the cursor is in, with 'scrolloff' context. | |
281 */ | |
282 else | |
283 { | |
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284 if (curwin->w_topline > 1 || curwin->w_skipcol > 0) |
7 | 285 { |
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286 // If the cursor is above topline, scrolling is always needed. |
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287 // If the cursor is far below topline and there is no folding, |
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288 // scrolling down is never needed. |
7 | 289 if (curwin->w_cursor.lnum < curwin->w_topline) |
290 check_topline = TRUE; | |
291 else if (check_top_offset()) | |
292 check_topline = TRUE; | |
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293 else if (curwin->w_cursor.lnum == curwin->w_topline) |
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294 { |
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295 colnr_T vcol; |
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296 |
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297 // check the cursor position is visible. Add 3 for the ">>>" |
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298 // displayed in the top-left. |
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299 getvvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); |
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300 if (curwin->w_skipcol + 3 >= vcol) |
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301 check_topline = TRUE; |
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302 } |
7 | 303 } |
304 #ifdef FEAT_DIFF | |
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305 // Check if there are more filler lines than allowed. |
7 | 306 if (!check_topline && curwin->w_topfill > diff_check_fill(curwin, |
307 curwin->w_topline)) | |
308 check_topline = TRUE; | |
309 #endif | |
310 | |
311 if (check_topline) | |
312 { | |
313 halfheight = curwin->w_height / 2 - 1; | |
314 if (halfheight < 2) | |
315 halfheight = 2; | |
316 | |
317 #ifdef FEAT_FOLDING | |
318 if (hasAnyFolding(curwin)) | |
319 { | |
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320 // Count the number of logical lines between the cursor and |
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321 // topline + scrolloff (approximation of how much will be |
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322 // scrolled). |
7 | 323 n = 0; |
324 for (lnum = curwin->w_cursor.lnum; | |
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325 lnum < curwin->w_topline + *so_ptr; ++lnum) |
7 | 326 { |
327 ++n; | |
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328 // stop at end of file or when we know we are far off |
7 | 329 if (lnum >= curbuf->b_ml.ml_line_count || n >= halfheight) |
330 break; | |
331 (void)hasFolding(lnum, NULL, &lnum); | |
332 } | |
333 } | |
334 else | |
335 #endif | |
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336 n = curwin->w_topline + *so_ptr - curwin->w_cursor.lnum; |
7 | 337 |
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338 // If we weren't very close to begin with, we scroll to put the |
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339 // cursor in the middle of the window. Otherwise put the cursor |
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340 // near the top of the window. |
7 | 341 if (n >= halfheight) |
342 scroll_cursor_halfway(FALSE); | |
343 else | |
344 { | |
532 | 345 scroll_cursor_top(scrolljump_value(), FALSE); |
7 | 346 check_botline = TRUE; |
347 } | |
348 } | |
349 | |
350 else | |
351 { | |
352 #ifdef FEAT_FOLDING | |
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353 // Make sure topline is the first line of a fold. |
7 | 354 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
355 #endif | |
356 check_botline = TRUE; | |
357 } | |
358 } | |
359 | |
360 /* | |
361 * If the cursor is below the bottom of the window, scroll the window | |
362 * to put the cursor on the window. | |
363 * When w_botline is invalid, recompute it first, to avoid a redraw later. | |
364 * If w_botline was approximated, we might need a redraw later in a few | |
365 * cases, but we don't want to spend (a lot of) time recomputing w_botline | |
366 * for every small change. | |
367 */ | |
368 if (check_botline) | |
369 { | |
370 if (!(curwin->w_valid & VALID_BOTLINE_AP)) | |
371 validate_botline(); | |
372 | |
373 if (curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
374 { | |
1744 | 375 if (curwin->w_cursor.lnum < curwin->w_botline) |
376 { | |
377 if (((long)curwin->w_cursor.lnum | |
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378 >= (long)curwin->w_botline - *so_ptr |
7 | 379 #ifdef FEAT_FOLDING |
380 || hasAnyFolding(curwin) | |
381 #endif | |
382 )) | |
1744 | 383 { |
7 | 384 lineoff_T loff; |
385 | |
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386 // Cursor is (a few lines) above botline, check if there are |
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387 // 'scrolloff' window lines below the cursor. If not, need to |
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388 // scroll. |
7 | 389 n = curwin->w_empty_rows; |
390 loff.lnum = curwin->w_cursor.lnum; | |
391 #ifdef FEAT_FOLDING | |
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392 // In a fold go to its last line. |
7 | 393 (void)hasFolding(loff.lnum, NULL, &loff.lnum); |
394 #endif | |
395 #ifdef FEAT_DIFF | |
396 loff.fill = 0; | |
397 n += curwin->w_filler_rows; | |
398 #endif | |
399 loff.height = 0; | |
400 while (loff.lnum < curwin->w_botline | |
401 #ifdef FEAT_DIFF | |
402 && (loff.lnum + 1 < curwin->w_botline || loff.fill == 0) | |
403 #endif | |
404 ) | |
405 { | |
406 n += loff.height; | |
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407 if (n >= *so_ptr) |
7 | 408 break; |
409 botline_forw(&loff); | |
410 } | |
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411 if (n >= *so_ptr) |
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412 // sufficient context, no need to scroll |
7 | 413 check_botline = FALSE; |
1744 | 414 } |
415 else | |
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416 // sufficient context, no need to scroll |
1744 | 417 check_botline = FALSE; |
7 | 418 } |
419 if (check_botline) | |
420 { | |
421 #ifdef FEAT_FOLDING | |
422 if (hasAnyFolding(curwin)) | |
423 { | |
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424 // Count the number of logical lines between the cursor and |
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425 // botline - scrolloff (approximation of how much will be |
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426 // scrolled). |
7 | 427 line_count = 0; |
428 for (lnum = curwin->w_cursor.lnum; | |
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429 lnum >= curwin->w_botline - *so_ptr; --lnum) |
7 | 430 { |
431 ++line_count; | |
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432 // stop at end of file or when we know we are far off |
7 | 433 if (lnum <= 0 || line_count > curwin->w_height + 1) |
434 break; | |
435 (void)hasFolding(lnum, &lnum, NULL); | |
436 } | |
437 } | |
438 else | |
439 #endif | |
440 line_count = curwin->w_cursor.lnum - curwin->w_botline | |
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441 + 1 + *so_ptr; |
7 | 442 if (line_count <= curwin->w_height + 1) |
532 | 443 scroll_cursor_bot(scrolljump_value(), FALSE); |
7 | 444 else |
445 scroll_cursor_halfway(FALSE); | |
446 } | |
447 } | |
448 } | |
449 curwin->w_valid |= VALID_TOPLINE; | |
450 | |
451 /* | |
452 * Need to redraw when topline changed. | |
453 */ | |
454 if (curwin->w_topline != old_topline | |
455 #ifdef FEAT_DIFF | |
456 || curwin->w_topfill != old_topfill | |
457 #endif | |
458 ) | |
459 { | |
3318 | 460 dollar_vcol = -1; |
740 | 461 if (curwin->w_skipcol != 0) |
7 | 462 { |
463 curwin->w_skipcol = 0; | |
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464 redraw_later(UPD_NOT_VALID); |
7 | 465 } |
466 else | |
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467 redraw_later(UPD_VALID); |
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468 // May need to set w_skipcol when cursor in w_topline. |
7 | 469 if (curwin->w_cursor.lnum == curwin->w_topline) |
470 validate_cursor(); | |
471 } | |
472 | |
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473 *so_ptr = save_so; |
7 | 474 } |
475 | |
476 /* | |
532 | 477 * Return the scrolljump value to use for the current window. |
478 * When 'scrolljump' is positive use it as-is. | |
479 * When 'scrolljump' is negative use it as a percentage of the window height. | |
480 */ | |
481 static int | |
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482 scrolljump_value(void) |
532 | 483 { |
484 if (p_sj >= 0) | |
485 return (int)p_sj; | |
486 return (curwin->w_height * -p_sj) / 100; | |
487 } | |
488 | |
489 /* | |
7 | 490 * Return TRUE when there are not 'scrolloff' lines above the cursor for the |
491 * current window. | |
492 */ | |
493 static int | |
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494 check_top_offset(void) |
7 | 495 { |
496 lineoff_T loff; | |
497 int n; | |
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498 long so = get_scrolloff_value(); |
7 | 499 |
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500 if (curwin->w_cursor.lnum < curwin->w_topline + so |
7 | 501 #ifdef FEAT_FOLDING |
502 || hasAnyFolding(curwin) | |
503 #endif | |
504 ) | |
505 { | |
506 loff.lnum = curwin->w_cursor.lnum; | |
507 #ifdef FEAT_DIFF | |
508 loff.fill = 0; | |
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509 n = curwin->w_topfill; // always have this context |
7 | 510 #else |
511 n = 0; | |
512 #endif | |
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513 // Count the visible screen lines above the cursor line. |
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514 while (n < so) |
7 | 515 { |
516 topline_back(&loff); | |
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517 // Stop when included a line above the window. |
7 | 518 if (loff.lnum < curwin->w_topline |
519 #ifdef FEAT_DIFF | |
520 || (loff.lnum == curwin->w_topline && loff.fill > 0) | |
521 #endif | |
522 ) | |
523 break; | |
524 n += loff.height; | |
525 } | |
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526 if (n < so) |
7 | 527 return TRUE; |
528 } | |
529 return FALSE; | |
530 } | |
531 | |
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532 /* |
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533 * Update w_curswant. |
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534 */ |
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535 void |
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536 update_curswant_force(void) |
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537 { |
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538 validate_virtcol(); |
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539 curwin->w_curswant = curwin->w_virtcol |
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540 #ifdef FEAT_PROP_POPUP |
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541 - curwin->w_virtcol_first_char |
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542 #endif |
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543 ; |
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544 curwin->w_set_curswant = FALSE; |
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545 } |
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546 |
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547 /* |
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548 * Update w_curswant if w_set_curswant is set. |
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549 */ |
7 | 550 void |
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551 update_curswant(void) |
7 | 552 { |
553 if (curwin->w_set_curswant) | |
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554 update_curswant_force(); |
7 | 555 } |
556 | |
557 /* | |
558 * Check if the cursor has moved. Set the w_valid flag accordingly. | |
559 */ | |
560 void | |
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561 check_cursor_moved(win_T *wp) |
7 | 562 { |
563 if (wp->w_cursor.lnum != wp->w_valid_cursor.lnum) | |
564 { | |
565 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
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566 |VALID_CHEIGHT|VALID_CROW|VALID_TOPLINE |
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567 |VALID_BOTLINE|VALID_BOTLINE_AP); |
7 | 568 wp->w_valid_cursor = wp->w_cursor; |
569 wp->w_valid_leftcol = wp->w_leftcol; | |
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570 wp->w_valid_skipcol = wp->w_skipcol; |
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571 } |
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572 else if (wp->w_skipcol != wp->w_valid_skipcol) |
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573 { |
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574 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL |
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575 |VALID_CHEIGHT|VALID_CROW |
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576 |VALID_BOTLINE|VALID_BOTLINE_AP); |
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577 wp->w_valid_cursor = wp->w_cursor; |
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578 wp->w_valid_leftcol = wp->w_leftcol; |
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579 wp->w_valid_skipcol = wp->w_skipcol; |
7 | 580 } |
581 else if (wp->w_cursor.col != wp->w_valid_cursor.col | |
582 || wp->w_leftcol != wp->w_valid_leftcol | |
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583 || wp->w_cursor.coladd != wp->w_valid_cursor.coladd) |
7 | 584 { |
585 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL); | |
586 wp->w_valid_cursor.col = wp->w_cursor.col; | |
587 wp->w_valid_leftcol = wp->w_leftcol; | |
588 wp->w_valid_cursor.coladd = wp->w_cursor.coladd; | |
589 } | |
590 } | |
591 | |
592 /* | |
593 * Call this function when some window settings have changed, which require | |
594 * the cursor position, botline and topline to be recomputed and the window to | |
595 * be redrawn. E.g, when changing the 'wrap' option or folding. | |
596 */ | |
597 void | |
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598 changed_window_setting(void) |
7 | 599 { |
600 changed_window_setting_win(curwin); | |
601 } | |
602 | |
603 void | |
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604 changed_window_setting_win(win_T *wp) |
7 | 605 { |
606 wp->w_lines_valid = 0; | |
607 changed_line_abv_curs_win(wp); | |
608 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP|VALID_TOPLINE); | |
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609 redraw_win_later(wp, UPD_NOT_VALID); |
7 | 610 } |
611 | |
612 /* | |
613 * Set wp->w_topline to a certain number. | |
614 */ | |
615 void | |
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616 set_topline(win_T *wp, linenr_T lnum) |
7 | 617 { |
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618 #ifdef FEAT_DIFF |
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619 linenr_T prev_topline = wp->w_topline; |
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620 #endif |
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621 |
7 | 622 #ifdef FEAT_FOLDING |
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623 // go to first of folded lines |
7 | 624 (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL); |
625 #endif | |
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626 // Approximate the value of w_botline |
7 | 627 wp->w_botline += lnum - wp->w_topline; |
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628 if (wp->w_botline > wp->w_buffer->b_ml.ml_line_count + 1) |
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629 wp->w_botline = wp->w_buffer->b_ml.ml_line_count + 1; |
7 | 630 wp->w_topline = lnum; |
1744 | 631 wp->w_topline_was_set = TRUE; |
7 | 632 #ifdef FEAT_DIFF |
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633 if (lnum != prev_topline) |
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634 // Keep the filler lines when the topline didn't change. |
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635 wp->w_topfill = 0; |
7 | 636 #endif |
637 wp->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_TOPLINE); | |
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638 // Don't set VALID_TOPLINE here, 'scrolloff' needs to be checked. |
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639 redraw_later(UPD_VALID); |
7 | 640 } |
641 | |
642 /* | |
643 * Call this function when the length of the cursor line (in screen | |
644 * characters) has changed, and the change is before the cursor. | |
645 * Need to take care of w_botline separately! | |
646 */ | |
647 void | |
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648 changed_cline_bef_curs(void) |
7 | 649 { |
650 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
651 |VALID_CHEIGHT|VALID_TOPLINE); | |
652 } | |
653 | |
654 void | |
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655 changed_cline_bef_curs_win(win_T *wp) |
7 | 656 { |
657 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
658 |VALID_CHEIGHT|VALID_TOPLINE); | |
659 } | |
660 | |
661 /* | |
662 * Call this function when the length of a line (in screen characters) above | |
663 * the cursor have changed. | |
664 * Need to take care of w_botline separately! | |
665 */ | |
666 void | |
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667 changed_line_abv_curs(void) |
7 | 668 { |
669 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW | |
670 |VALID_CHEIGHT|VALID_TOPLINE); | |
671 } | |
672 | |
673 void | |
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674 changed_line_abv_curs_win(win_T *wp) |
7 | 675 { |
676 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW | |
677 |VALID_CHEIGHT|VALID_TOPLINE); | |
678 } | |
679 | |
680 /* | |
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681 * Display of line has changed for "buf", invalidate cursor position and |
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682 * w_botline. |
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683 */ |
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684 void |
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685 changed_line_display_buf(buf_T *buf) |
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686 { |
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687 win_T *wp; |
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688 |
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689 FOR_ALL_WINDOWS(wp) |
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690 if (wp->w_buffer == buf) |
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691 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL |
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692 |VALID_CROW|VALID_CHEIGHT |
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693 |VALID_TOPLINE|VALID_BOTLINE|VALID_BOTLINE_AP); |
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694 } |
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695 |
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696 /* |
7 | 697 * Make sure the value of curwin->w_botline is valid. |
698 */ | |
699 void | |
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700 validate_botline(void) |
7 | 701 { |
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702 validate_botline_win(curwin); |
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703 } |
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704 |
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705 /* |
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706 * Make sure the value of wp->w_botline is valid. |
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707 */ |
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708 void |
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709 validate_botline_win(win_T *wp) |
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710 { |
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711 if (!(wp->w_valid & VALID_BOTLINE)) |
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712 comp_botline(wp); |
7 | 713 } |
714 | |
715 /* | |
716 * Mark curwin->w_botline as invalid (because of some change in the buffer). | |
717 */ | |
718 void | |
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719 invalidate_botline(void) |
7 | 720 { |
721 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
722 } | |
723 | |
724 void | |
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725 invalidate_botline_win(win_T *wp) |
7 | 726 { |
727 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
728 } | |
729 | |
730 void | |
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731 approximate_botline_win( |
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732 win_T *wp) |
7 | 733 { |
734 wp->w_valid &= ~VALID_BOTLINE; | |
735 } | |
736 | |
737 /* | |
738 * Return TRUE if curwin->w_wrow and curwin->w_wcol are valid. | |
739 */ | |
740 int | |
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741 cursor_valid(void) |
7 | 742 { |
743 check_cursor_moved(curwin); | |
744 return ((curwin->w_valid & (VALID_WROW|VALID_WCOL)) == | |
745 (VALID_WROW|VALID_WCOL)); | |
746 } | |
747 | |
748 /* | |
749 * Validate cursor position. Makes sure w_wrow and w_wcol are valid. | |
750 * w_topline must be valid, you may need to call update_topline() first! | |
751 */ | |
752 void | |
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753 validate_cursor(void) |
7 | 754 { |
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755 check_cursor_lnum(); |
7 | 756 check_cursor_moved(curwin); |
757 if ((curwin->w_valid & (VALID_WCOL|VALID_WROW)) != (VALID_WCOL|VALID_WROW)) | |
758 curs_columns(TRUE); | |
759 } | |
760 | |
761 #if defined(FEAT_GUI) || defined(PROTO) | |
762 /* | |
763 * validate w_cline_row. | |
764 */ | |
765 void | |
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766 validate_cline_row(void) |
7 | 767 { |
768 /* | |
769 * First make sure that w_topline is valid (after moving the cursor). | |
770 */ | |
771 update_topline(); | |
772 check_cursor_moved(curwin); | |
773 if (!(curwin->w_valid & VALID_CROW)) | |
6441 | 774 curs_rows(curwin); |
7 | 775 } |
776 #endif | |
777 | |
778 /* | |
779 * Compute wp->w_cline_row and wp->w_cline_height, based on the current value | |
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780 * of wp->w_topline. |
7 | 781 */ |
782 static void | |
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783 curs_rows(win_T *wp) |
7 | 784 { |
785 linenr_T lnum; | |
786 int i; | |
787 int all_invalid; | |
788 int valid; | |
789 #ifdef FEAT_FOLDING | |
790 long fold_count; | |
791 #endif | |
792 | |
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793 // Check if wp->w_lines[].wl_size is invalid |
7 | 794 all_invalid = (!redrawing() |
795 || wp->w_lines_valid == 0 | |
796 || wp->w_lines[0].wl_lnum > wp->w_topline); | |
797 i = 0; | |
798 wp->w_cline_row = 0; | |
799 for (lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i) | |
800 { | |
801 valid = FALSE; | |
802 if (!all_invalid && i < wp->w_lines_valid) | |
803 { | |
804 if (wp->w_lines[i].wl_lnum < lnum || !wp->w_lines[i].wl_valid) | |
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805 continue; // skip changed or deleted lines |
7 | 806 if (wp->w_lines[i].wl_lnum == lnum) |
807 { | |
808 #ifdef FEAT_FOLDING | |
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809 // Check for newly inserted lines below this row, in which |
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810 // case we need to check for folded lines. |
7 | 811 if (!wp->w_buffer->b_mod_set |
812 || wp->w_lines[i].wl_lastlnum < wp->w_cursor.lnum | |
813 || wp->w_buffer->b_mod_top | |
814 > wp->w_lines[i].wl_lastlnum + 1) | |
815 #endif | |
816 valid = TRUE; | |
817 } | |
818 else if (wp->w_lines[i].wl_lnum > lnum) | |
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819 --i; // hold at inserted lines |
7 | 820 } |
821 if (valid | |
822 #ifdef FEAT_DIFF | |
823 && (lnum != wp->w_topline || !wp->w_p_diff) | |
824 #endif | |
825 ) | |
826 { | |
827 #ifdef FEAT_FOLDING | |
828 lnum = wp->w_lines[i].wl_lastlnum + 1; | |
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829 // Cursor inside folded lines, don't count this row |
7 | 830 if (lnum > wp->w_cursor.lnum) |
831 break; | |
832 #else | |
833 ++lnum; | |
834 #endif | |
835 wp->w_cline_row += wp->w_lines[i].wl_size; | |
836 } | |
837 else | |
838 { | |
839 #ifdef FEAT_FOLDING | |
840 fold_count = foldedCount(wp, lnum, NULL); | |
841 if (fold_count) | |
842 { | |
843 lnum += fold_count; | |
844 if (lnum > wp->w_cursor.lnum) | |
845 break; | |
846 ++wp->w_cline_row; | |
847 } | |
848 else | |
849 #endif | |
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850 { |
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851 wp->w_cline_row += plines_correct_topline(wp, lnum); |
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852 ++lnum; |
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853 } |
7 | 854 } |
855 } | |
856 | |
857 check_cursor_moved(wp); | |
858 if (!(wp->w_valid & VALID_CHEIGHT)) | |
859 { | |
860 if (all_invalid | |
861 || i == wp->w_lines_valid | |
862 || (i < wp->w_lines_valid | |
863 && (!wp->w_lines[i].wl_valid | |
864 || wp->w_lines[i].wl_lnum != wp->w_cursor.lnum))) | |
865 { | |
866 #ifdef FEAT_DIFF | |
867 if (wp->w_cursor.lnum == wp->w_topline) | |
868 wp->w_cline_height = plines_win_nofill(wp, wp->w_cursor.lnum, | |
869 TRUE) + wp->w_topfill; | |
870 else | |
871 #endif | |
872 wp->w_cline_height = plines_win(wp, wp->w_cursor.lnum, TRUE); | |
873 #ifdef FEAT_FOLDING | |
874 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum, | |
875 NULL, NULL, TRUE, NULL); | |
876 #endif | |
877 } | |
878 else if (i > wp->w_lines_valid) | |
879 { | |
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880 // a line that is too long to fit on the last screen line |
7 | 881 wp->w_cline_height = 0; |
882 #ifdef FEAT_FOLDING | |
883 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum, | |
884 NULL, NULL, TRUE, NULL); | |
885 #endif | |
886 } | |
887 else | |
888 { | |
889 wp->w_cline_height = wp->w_lines[i].wl_size; | |
890 #ifdef FEAT_FOLDING | |
891 wp->w_cline_folded = wp->w_lines[i].wl_folded; | |
892 #endif | |
893 } | |
894 } | |
895 | |
5764 | 896 redraw_for_cursorline(curwin); |
7 | 897 wp->w_valid |= VALID_CROW|VALID_CHEIGHT; |
898 } | |
899 | |
900 /* | |
901 * Validate curwin->w_virtcol only. | |
902 */ | |
903 void | |
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904 validate_virtcol(void) |
7 | 905 { |
906 validate_virtcol_win(curwin); | |
907 } | |
908 | |
909 /* | |
910 * Validate wp->w_virtcol only. | |
911 */ | |
912 void | |
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913 validate_virtcol_win(win_T *wp) |
7 | 914 { |
915 check_cursor_moved(wp); | |
916 if (!(wp->w_valid & VALID_VIRTCOL)) | |
917 { | |
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918 #ifdef FEAT_PROP_POPUP |
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919 wp->w_virtcol_first_char = 0; |
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920 #endif |
7 | 921 getvvcol(wp, &wp->w_cursor, NULL, &(wp->w_virtcol), NULL); |
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922 #ifdef FEAT_SYN_HL |
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923 redraw_for_cursorcolumn(wp); |
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924 #endif |
7 | 925 wp->w_valid |= VALID_VIRTCOL; |
926 } | |
927 } | |
928 | |
929 /* | |
930 * Validate curwin->w_cline_height only. | |
931 */ | |
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932 void |
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933 validate_cheight(void) |
7 | 934 { |
935 check_cursor_moved(curwin); | |
936 if (!(curwin->w_valid & VALID_CHEIGHT)) | |
937 { | |
938 #ifdef FEAT_DIFF | |
939 if (curwin->w_cursor.lnum == curwin->w_topline) | |
940 curwin->w_cline_height = plines_nofill(curwin->w_cursor.lnum) | |
941 + curwin->w_topfill; | |
942 else | |
943 #endif | |
944 curwin->w_cline_height = plines(curwin->w_cursor.lnum); | |
945 #ifdef FEAT_FOLDING | |
946 curwin->w_cline_folded = hasFolding(curwin->w_cursor.lnum, NULL, NULL); | |
947 #endif | |
948 curwin->w_valid |= VALID_CHEIGHT; | |
949 } | |
950 } | |
951 | |
952 /* | |
1668 | 953 * Validate w_wcol and w_virtcol only. |
7 | 954 */ |
955 void | |
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956 validate_cursor_col(void) |
7 | 957 { |
958 colnr_T off; | |
959 colnr_T col; | |
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960 int width; |
7 | 961 |
962 validate_virtcol(); | |
963 if (!(curwin->w_valid & VALID_WCOL)) | |
964 { | |
965 col = curwin->w_virtcol; | |
966 off = curwin_col_off(); | |
967 col += off; | |
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968 width = curwin->w_width - off + curwin_col_off2(); |
7 | 969 |
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970 // long line wrapping, adjust curwin->w_wrow |
1668 | 971 if (curwin->w_p_wrap |
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972 && col >= (colnr_T)curwin->w_width |
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973 && width > 0) |
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974 // use same formula as what is used in curs_columns() |
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975 col -= ((col - curwin->w_width) / width + 1) * width; |
1668 | 976 if (col > (int)curwin->w_leftcol) |
977 col -= curwin->w_leftcol; | |
978 else | |
979 col = 0; | |
7 | 980 curwin->w_wcol = col; |
1668 | 981 |
7 | 982 curwin->w_valid |= VALID_WCOL; |
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983 #ifdef FEAT_PROP_POPUP |
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984 curwin->w_flags &= ~WFLAG_WCOL_OFF_ADDED; |
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985 #endif |
7 | 986 } |
987 } | |
988 | |
989 /* | |
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990 * Compute offset of a window, occupied by absolute or relative line number, |
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991 * fold column and sign column (these don't move when scrolling horizontally). |
7 | 992 */ |
993 int | |
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994 win_col_off(win_T *wp) |
7 | 995 { |
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996 return (((wp->w_p_nu || wp->w_p_rnu) ? number_width(wp) + 1 : 0) |
7 | 997 + (cmdwin_type == 0 || wp != curwin ? 0 : 1) |
998 #ifdef FEAT_FOLDING | |
999 + wp->w_p_fdc | |
1000 #endif | |
1001 #ifdef FEAT_SIGNS | |
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1002 + (signcolumn_on(wp) ? 2 : 0) |
7 | 1003 #endif |
1004 ); | |
1005 } | |
1006 | |
1007 int | |
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1008 curwin_col_off(void) |
7 | 1009 { |
1010 return win_col_off(curwin); | |
1011 } | |
1012 | |
1013 /* | |
1014 * Return the difference in column offset for the second screen line of a | |
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1015 * wrapped line. It's positive if 'number' or 'relativenumber' is on and 'n' |
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1016 * is in 'cpoptions'. |
7 | 1017 */ |
1018 int | |
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1019 win_col_off2(win_T *wp) |
7 | 1020 { |
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1021 if ((wp->w_p_nu || wp->w_p_rnu) && vim_strchr(p_cpo, CPO_NUMCOL) != NULL) |
13 | 1022 return number_width(wp) + 1; |
7 | 1023 return 0; |
1024 } | |
1025 | |
1026 int | |
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1027 curwin_col_off2(void) |
7 | 1028 { |
1029 return win_col_off2(curwin); | |
1030 } | |
1031 | |
1032 /* | |
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1033 * Compute curwin->w_wcol and curwin->w_virtcol. |
7 | 1034 * Also updates curwin->w_wrow and curwin->w_cline_row. |
1035 * Also updates curwin->w_leftcol. | |
1036 */ | |
1037 void | |
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1038 curs_columns( |
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1039 int may_scroll) // when TRUE, may scroll horizontally |
7 | 1040 { |
1041 int diff; | |
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1042 int extra; // offset for first screen line |
7 | 1043 int off_left, off_right; |
1044 int n; | |
1045 int p_lines; | |
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1046 int width1; // text width for first screen line |
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1047 int width2 = 0; // text width for second and later screen line |
7 | 1048 int new_leftcol; |
1049 colnr_T startcol; | |
1050 colnr_T endcol; | |
1051 colnr_T prev_skipcol; | |
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1052 long so = get_scrolloff_value(); |
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1053 long siso = get_sidescrolloff_value(); |
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1054 int did_sub_skipcol = FALSE; |
7 | 1055 |
1056 /* | |
1057 * First make sure that w_topline is valid (after moving the cursor). | |
1058 */ | |
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1059 update_topline(); |
7 | 1060 |
1061 /* | |
1062 * Next make sure that w_cline_row is valid. | |
1063 */ | |
1064 if (!(curwin->w_valid & VALID_CROW)) | |
6441 | 1065 curs_rows(curwin); |
7 | 1066 |
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1067 #ifdef FEAT_PROP_POPUP |
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1068 // will be set by getvvcol() but not reset |
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1069 curwin->w_virtcol_first_char = 0; |
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1070 #endif |
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1071 |
7 | 1072 /* |
1073 * Compute the number of virtual columns. | |
1074 */ | |
1075 #ifdef FEAT_FOLDING | |
1076 if (curwin->w_cline_folded) | |
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1077 // In a folded line the cursor is always in the first column |
7 | 1078 startcol = curwin->w_virtcol = endcol = curwin->w_leftcol; |
1079 else | |
1080 #endif | |
1081 getvvcol(curwin, &curwin->w_cursor, | |
1082 &startcol, &(curwin->w_virtcol), &endcol); | |
1083 | |
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1084 // remove '$' from change command when cursor moves onto it |
7 | 1085 if (startcol > dollar_vcol) |
3318 | 1086 dollar_vcol = -1; |
7 | 1087 |
1088 extra = curwin_col_off(); | |
1089 curwin->w_wcol = curwin->w_virtcol + extra; | |
1090 endcol += extra; | |
1091 | |
1092 /* | |
1093 * Now compute w_wrow, counting screen lines from w_cline_row. | |
1094 */ | |
1095 curwin->w_wrow = curwin->w_cline_row; | |
1096 | |
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1097 width1 = curwin->w_width - extra; |
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1098 if (width1 <= 0) |
7 | 1099 { |
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1100 // No room for text, put cursor in last char of window. |
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1101 // If not wrapping, the last non-empty line. |
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1102 curwin->w_wcol = curwin->w_width - 1; |
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1103 if (curwin->w_p_wrap) |
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1104 curwin->w_wrow = curwin->w_height - 1; |
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1105 else |
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1106 curwin->w_wrow = curwin->w_height - 1 - curwin->w_empty_rows; |
7 | 1107 } |
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1108 else if (curwin->w_p_wrap && curwin->w_width != 0) |
7 | 1109 { |
30823
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1110 width2 = width1 + curwin_col_off2(); |
7 | 1111 |
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1112 // skip columns that are not visible |
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1113 if (curwin->w_cursor.lnum == curwin->w_topline |
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1114 && curwin->w_skipcol > 0 |
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1115 && curwin->w_wcol >= curwin->w_skipcol) |
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1116 { |
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1117 // w_skipcol excludes win_col_off(). Include it here, since w_wcol |
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1118 // counts actual screen columns. |
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1119 if (curwin->w_skipcol <= width1) |
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1120 curwin->w_wcol -= curwin->w_width; |
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1121 else |
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1122 curwin->w_wcol -= curwin->w_width |
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1123 * (((curwin->w_skipcol - width1) / width2) + 1); |
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1124 did_sub_skipcol = TRUE; |
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1125 } |
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1126 |
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1127 // long line wrapping, adjust curwin->w_wrow |
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1128 if (curwin->w_wcol >= curwin->w_width) |
7 | 1129 { |
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1130 // this same formula is used in validate_cursor_col() |
30823
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1131 n = (curwin->w_wcol - curwin->w_width) / width2 + 1; |
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1132 curwin->w_wcol -= n * width2; |
7 | 1133 curwin->w_wrow += n; |
1134 | |
1135 #ifdef FEAT_LINEBREAK | |
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1136 // When cursor wraps to first char of next line in Insert |
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1137 // mode, the 'showbreak' string isn't shown, backup to first |
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1138 // column |
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1139 char_u *sbr = get_showbreak_value(curwin); |
18574
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patch 8.1.2281: 'showbreak' cannot be set for one window
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1140 if (*sbr && *ml_get_cursor() == NUL |
25852
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patch 8.2.3460: some type casts are not needed
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1141 && curwin->w_wcol == vim_strsize(sbr)) |
7 | 1142 curwin->w_wcol = 0; |
1143 #endif | |
1144 } | |
1145 } | |
1146 | |
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1147 // No line wrapping: compute curwin->w_leftcol if scrolling is on and line |
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1148 // is not folded. |
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|
1149 // If scrolling is off, curwin->w_leftcol is assumed to be 0 |
3263 | 1150 else if (may_scroll |
7 | 1151 #ifdef FEAT_FOLDING |
1152 && !curwin->w_cline_folded | |
1153 #endif | |
1154 ) | |
1155 { | |
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1156 #ifdef FEAT_PROP_POPUP |
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1157 if (curwin->w_virtcol_first_char > 0) |
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1158 { |
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1159 int cols = (curwin->w_width - extra); |
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1160 int rows = cols > 0 ? curwin->w_virtcol_first_char / cols : 1; |
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1161 |
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1162 // each "above" text prop shifts the text one row down |
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|
1163 curwin->w_wrow += rows; |
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1164 curwin->w_wcol -= rows * cols; |
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|
1165 endcol -= rows * cols; |
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1166 curwin->w_cline_height = rows + 1; |
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1167 } |
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1168 #endif |
7 | 1169 /* |
1170 * If Cursor is left of the screen, scroll rightwards. | |
1171 * If Cursor is right of the screen, scroll leftwards | |
1172 * If we get closer to the edge than 'sidescrolloff', scroll a little | |
1173 * extra | |
1174 */ | |
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patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
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1175 off_left = (int)startcol - (int)curwin->w_leftcol - siso; |
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1176 off_right = (int)endcol - (int)(curwin->w_leftcol + curwin->w_width |
15713
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|
1177 - siso) + 1; |
7 | 1178 if (off_left < 0 || off_right > 0) |
1179 { | |
1180 if (off_left < 0) | |
1181 diff = -off_left; | |
1182 else | |
1183 diff = off_right; | |
1184 | |
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|
1185 // When far off or not enough room on either side, put cursor in |
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1186 // middle of window. |
30823
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1187 if (p_ss == 0 || diff >= width1 / 2 || off_right >= off_left) |
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|
1188 new_leftcol = curwin->w_wcol - extra - width1 / 2; |
7 | 1189 else |
1190 { | |
1191 if (diff < p_ss) | |
1192 diff = p_ss; | |
1193 if (off_left < 0) | |
1194 new_leftcol = curwin->w_leftcol - diff; | |
1195 else | |
1196 new_leftcol = curwin->w_leftcol + diff; | |
1197 } | |
1198 if (new_leftcol < 0) | |
1199 new_leftcol = 0; | |
1200 if (new_leftcol != (int)curwin->w_leftcol) | |
1201 { | |
1202 curwin->w_leftcol = new_leftcol; | |
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1203 // screen has to be redrawn with new curwin->w_leftcol |
29732
89e1d67814a9
patch 9.0.0206: redraw flags are not named specifically
Bram Moolenaar <Bram@vim.org>
parents:
29708
diff
changeset
|
1204 redraw_later(UPD_NOT_VALID); |
7 | 1205 } |
1206 } | |
1207 curwin->w_wcol -= curwin->w_leftcol; | |
1208 } | |
1209 else if (curwin->w_wcol > (int)curwin->w_leftcol) | |
1210 curwin->w_wcol -= curwin->w_leftcol; | |
1211 else | |
1212 curwin->w_wcol = 0; | |
1213 | |
1214 #ifdef FEAT_DIFF | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1215 // Skip over filler lines. At the top use w_topfill, there |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1216 // may be some filler lines above the window. |
7 | 1217 if (curwin->w_cursor.lnum == curwin->w_topline) |
1218 curwin->w_wrow += curwin->w_topfill; | |
1219 else | |
1220 curwin->w_wrow += diff_check_fill(curwin, curwin->w_cursor.lnum); | |
1221 #endif | |
1222 | |
1223 prev_skipcol = curwin->w_skipcol; | |
1224 | |
1225 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
|
1226 |
7 | 1227 if ((curwin->w_wrow >= curwin->w_height |
1228 || ((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
|
1229 || curwin->w_wrow + so >= curwin->w_height) |
7 | 1230 && (p_lines = |
1231 #ifdef FEAT_DIFF | |
1232 plines_win_nofill | |
1233 #else | |
1234 plines_win | |
1235 #endif | |
1236 (curwin, curwin->w_cursor.lnum, FALSE)) | |
1237 - 1 >= curwin->w_height)) | |
1238 && curwin->w_height != 0 | |
1239 && curwin->w_cursor.lnum == curwin->w_topline | |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1240 && width2 > 0 |
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
12152
diff
changeset
|
1241 && curwin->w_width != 0) |
7 | 1242 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1243 // Cursor past end of screen. Happens with a single line that does |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1244 // not fit on screen. Find a skipcol to show the text around the |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1245 // cursor. Avoid scrolling all the time. compute value of "extra": |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1246 // 1: Less than 'scrolloff' lines above |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1247 // 2: Less than 'scrolloff' lines below |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1248 // 3: both of them |
7 | 1249 extra = 0; |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1250 if (curwin->w_skipcol + so * width2 > curwin->w_virtcol) |
7 | 1251 extra = 1; |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1252 // Compute last display line of the buffer line that we want at the |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1253 // bottom of the window. |
7 | 1254 if (p_lines == 0) |
1255 p_lines = plines_win(curwin, curwin->w_cursor.lnum, FALSE); | |
1256 --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
|
1257 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
|
1258 n = curwin->w_wrow + so; |
7 | 1259 else |
1260 n = p_lines; | |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1261 if ((colnr_T)n >= curwin->w_height + curwin->w_skipcol / width2 - so) |
7 | 1262 extra += 2; |
1263 | |
30821
a57e6da5860f
patch 9.0.0745: wrong cursor position when using "gj" and "gk" in a long line
Bram Moolenaar <Bram@vim.org>
parents:
30799
diff
changeset
|
1264 if (extra == 3 || curwin->w_height <= so * 2) |
7 | 1265 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1266 // not enough room for 'scrolloff', put cursor in the middle |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1267 n = curwin->w_virtcol / width2; |
7 | 1268 if (n > curwin->w_height / 2) |
1269 n -= curwin->w_height / 2; | |
1270 else | |
1271 n = 0; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1272 // don't skip more than necessary |
7 | 1273 if (n > p_lines - curwin->w_height + 1) |
1274 n = p_lines - curwin->w_height + 1; | |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1275 curwin->w_skipcol = n * width2; |
7 | 1276 } |
1277 else if (extra == 1) | |
1278 { | |
26771
fc859aea8cec
patch 8.2.3914: various spelling mistakes in comments
Bram Moolenaar <Bram@vim.org>
parents:
26061
diff
changeset
|
1279 // less than 'scrolloff' lines above, decrease skipcol |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1280 extra = (curwin->w_skipcol + so * width2 - curwin->w_virtcol |
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1281 + width2 - 1) / width2; |
7 | 1282 if (extra > 0) |
1283 { | |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1284 if ((colnr_T)(extra * width2) > curwin->w_skipcol) |
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1285 extra = curwin->w_skipcol / width2; |
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1286 curwin->w_skipcol -= extra * width2; |
7 | 1287 } |
1288 } | |
1289 else if (extra == 2) | |
1290 { | |
26771
fc859aea8cec
patch 8.2.3914: various spelling mistakes in comments
Bram Moolenaar <Bram@vim.org>
parents:
26061
diff
changeset
|
1291 // less than 'scrolloff' lines below, increase skipcol |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1292 endcol = (n - curwin->w_height + 1) * width2; |
7 | 1293 while (endcol > curwin->w_virtcol) |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1294 endcol -= width2; |
7 | 1295 if (endcol > curwin->w_skipcol) |
1296 curwin->w_skipcol = endcol; | |
1297 } | |
1298 | |
30821
a57e6da5860f
patch 9.0.0745: wrong cursor position when using "gj" and "gk" in a long line
Bram Moolenaar <Bram@vim.org>
parents:
30799
diff
changeset
|
1299 // adjust w_wrow for the changed w_skipcol |
a57e6da5860f
patch 9.0.0745: wrong cursor position when using "gj" and "gk" in a long line
Bram Moolenaar <Bram@vim.org>
parents:
30799
diff
changeset
|
1300 if (did_sub_skipcol) |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1301 curwin->w_wrow -= (curwin->w_skipcol - prev_skipcol) / width2; |
30821
a57e6da5860f
patch 9.0.0745: wrong cursor position when using "gj" and "gk" in a long line
Bram Moolenaar <Bram@vim.org>
parents:
30799
diff
changeset
|
1302 else |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1303 curwin->w_wrow -= curwin->w_skipcol / width2; |
30821
a57e6da5860f
patch 9.0.0745: wrong cursor position when using "gj" and "gk" in a long line
Bram Moolenaar <Bram@vim.org>
parents:
30799
diff
changeset
|
1304 |
7 | 1305 if (curwin->w_wrow >= curwin->w_height) |
1306 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1307 // small window, make sure cursor is in it |
7 | 1308 extra = curwin->w_wrow - curwin->w_height + 1; |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1309 curwin->w_skipcol += extra * width2; |
7 | 1310 curwin->w_wrow -= extra; |
1311 } | |
1312 | |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1313 extra = ((int)prev_skipcol - (int)curwin->w_skipcol) / width2; |
7 | 1314 if (extra > 0) |
1315 win_ins_lines(curwin, 0, extra, FALSE, FALSE); | |
1316 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
|
1317 win_del_lines(curwin, 0, -extra, FALSE, FALSE, 0); |
7 | 1318 } |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1319 else if (!curwin->w_p_sms) |
7 | 1320 curwin->w_skipcol = 0; |
1321 if (prev_skipcol != curwin->w_skipcol) | |
29732
89e1d67814a9
patch 9.0.0206: redraw flags are not named specifically
Bram Moolenaar <Bram@vim.org>
parents:
29708
diff
changeset
|
1322 redraw_later(UPD_NOT_VALID); |
7 | 1323 |
740 | 1324 #ifdef FEAT_SYN_HL |
28224
c99005ffa8c3
patch 8.2.4638: superfluous check if a redraw is needed for 'cursorline'
Bram Moolenaar <Bram@vim.org>
parents:
28177
diff
changeset
|
1325 redraw_for_cursorcolumn(curwin); |
2178
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
1326 #endif |
19542
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1327 #if defined(FEAT_PROP_POPUP) && defined(FEAT_TERMINAL) |
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1328 if (popup_is_popup(curwin) && curbuf->b_term != NULL) |
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1329 { |
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1330 curwin->w_wrow += popup_top_extra(curwin); |
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1331 curwin->w_wcol += popup_left_extra(curwin); |
22886
38324d4f1c94
patch 8.2.1990: cursor position wrong in terminal popup with finished job
Bram Moolenaar <Bram@vim.org>
parents:
22782
diff
changeset
|
1332 curwin->w_flags |= WFLAG_WCOL_OFF_ADDED + WFLAG_WROW_OFF_ADDED; |
19542
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1333 } |
22886
38324d4f1c94
patch 8.2.1990: cursor position wrong in terminal popup with finished job
Bram Moolenaar <Bram@vim.org>
parents:
22782
diff
changeset
|
1334 else |
38324d4f1c94
patch 8.2.1990: cursor position wrong in terminal popup with finished job
Bram Moolenaar <Bram@vim.org>
parents:
22782
diff
changeset
|
1335 curwin->w_flags &= ~(WFLAG_WCOL_OFF_ADDED + WFLAG_WROW_OFF_ADDED); |
19542
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1336 #endif |
740 | 1337 |
30799
ffa5492137c3
patch 9.0.0734: cursor position invalid when scrolling with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30745
diff
changeset
|
1338 // now w_leftcol and w_skipcol are valid, avoid check_cursor_moved() |
ffa5492137c3
patch 9.0.0734: cursor position invalid when scrolling with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30745
diff
changeset
|
1339 // thinking otherwise |
18621
a9bfdc5ea1ec
patch 8.1.2303: cursor in wrong position after horizontal scroll
Bram Moolenaar <Bram@vim.org>
parents:
18580
diff
changeset
|
1340 curwin->w_valid_leftcol = curwin->w_leftcol; |
30799
ffa5492137c3
patch 9.0.0734: cursor position invalid when scrolling with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30745
diff
changeset
|
1341 curwin->w_valid_skipcol = curwin->w_skipcol; |
18621
a9bfdc5ea1ec
patch 8.1.2303: cursor in wrong position after horizontal scroll
Bram Moolenaar <Bram@vim.org>
parents:
18580
diff
changeset
|
1342 |
7 | 1343 curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL; |
1344 } | |
1345 | |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18621
diff
changeset
|
1346 #if (defined(FEAT_EVAL) || defined(FEAT_PROP_POPUP)) || defined(PROTO) |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1347 /* |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1348 * Compute the screen position of text character at "pos" in window "wp" |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1349 * The resulting values are one-based, zero when character is not visible. |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1350 */ |
17863
08f1dd29550e
patch 8.1.1928: popup windows don't move with the text when making changes
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
1351 void |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1352 textpos2screenpos( |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1353 win_T *wp, |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1354 pos_T *pos, |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1355 int *rowp, // screen row |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1356 int *scolp, // start screen column |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1357 int *ccolp, // cursor screen column |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1358 int *ecolp) // end screen column |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1359 { |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1360 colnr_T scol = 0, ccol = 0, ecol = 0; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1361 int row = 0; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1362 int rowoff = 0; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1363 colnr_T coloff = 0; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1364 |
25312
7a254d0705e2
patch 8.2.3193: screenpos() is wrong when 'display' is "lastline"
Bram Moolenaar <Bram@vim.org>
parents:
25172
diff
changeset
|
1365 if (pos->lnum >= wp->w_topline && pos->lnum <= wp->w_botline) |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1366 { |
27726
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1367 colnr_T off; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1368 colnr_T col; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1369 int width; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1370 linenr_T lnum = pos->lnum; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
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diff
changeset
|
1371 #ifdef FEAT_FOLDING |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
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parents:
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diff
changeset
|
1372 int is_folded; |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1373 |
27726
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1374 is_folded = hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1375 #endif |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1376 row = plines_m_win(wp, wp->w_topline, lnum - 1) + 1; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1377 #ifdef FEAT_FOLDING |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1378 if (is_folded) |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1379 { |
27352
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1380 row += W_WINROW(wp); |
27726
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
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27352
diff
changeset
|
1381 coloff = wp->w_wincol + 1; |
27352
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1382 } |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1383 else |
27726
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1384 #endif |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1385 { |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1386 getvcol(wp, pos, &scol, &ccol, &ecol); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1387 |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1388 // similar to what is done in validate_cursor_col() |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1389 col = scol; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1390 off = win_col_off(wp); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1391 col += off; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1392 width = wp->w_width - off + win_col_off2(wp); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1393 |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1394 // long line wrapping, adjust row |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1395 if (wp->w_p_wrap |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1396 && col >= (colnr_T)wp->w_width |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1397 && width > 0) |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1398 { |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1399 // use same formula as what is used in curs_columns() |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1400 rowoff = ((col - wp->w_width) / width + 1); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1401 col -= rowoff * width; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1402 } |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1403 col -= wp->w_leftcol; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1404 if (col >= wp->w_width) |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1405 col = -1; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1406 if (col >= 0 && row + rowoff <= wp->w_height) |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1407 { |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1408 coloff = col - scol + wp->w_wincol + 1; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1409 row += W_WINROW(wp); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1410 } |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1411 else |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1412 // character is left, right or below of the window |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1413 row = rowoff = scol = ccol = ecol = 0; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1414 } |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1415 } |
27352
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1416 *rowp = row + rowoff; |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1417 *scolp = scol + coloff; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1418 *ccolp = ccol + coloff; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1419 *ecolp = ecol + coloff; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1420 } |
17863
08f1dd29550e
patch 8.1.1928: popup windows don't move with the text when making changes
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
1421 #endif |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1422 |
17863
08f1dd29550e
patch 8.1.1928: popup windows don't move with the text when making changes
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
1423 #if defined(FEAT_EVAL) || defined(PROTO) |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1424 /* |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1425 * "screenpos({winid}, {lnum}, {col})" function |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1426 */ |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1427 void |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1428 f_screenpos(typval_T *argvars UNUSED, typval_T *rettv) |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1429 { |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1430 dict_T *dict; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1431 win_T *wp; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1432 pos_T pos; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1433 int row = 0; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1434 int scol = 0, ccol = 0, ecol = 0; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1435 |
29175
755ab148288b
patch 8.2.5107: some callers of rettv_list_alloc() check for not OK
Bram Moolenaar <Bram@vim.org>
parents:
29024
diff
changeset
|
1436 if (rettv_dict_alloc(rettv) == FAIL) |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1437 return; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1438 dict = rettv->vval.v_dict; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1439 |
25384
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25312
diff
changeset
|
1440 if (in_vim9script() |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25312
diff
changeset
|
1441 && (check_for_number_arg(argvars, 0) == FAIL |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25312
diff
changeset
|
1442 || check_for_number_arg(argvars, 1) == FAIL |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25312
diff
changeset
|
1443 || check_for_number_arg(argvars, 2) == FAIL)) |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25312
diff
changeset
|
1444 return; |
e8e2c4d33b9b
patch 8.2.3229: Vim9: runtime and compile time type checks are not the same
Bram Moolenaar <Bram@vim.org>
parents:
25312
diff
changeset
|
1445 |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1446 wp = find_win_by_nr_or_id(&argvars[0]); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1447 if (wp == NULL) |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1448 return; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1449 |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1450 pos.lnum = tv_get_number(&argvars[1]); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1451 pos.col = tv_get_number(&argvars[2]) - 1; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1452 pos.coladd = 0; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1453 textpos2screenpos(wp, &pos, &row, &scol, &ccol, &ecol); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1454 |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1455 dict_add_number(dict, "row", row); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1456 dict_add_number(dict, "col", scol); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1457 dict_add_number(dict, "curscol", ccol); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1458 dict_add_number(dict, "endcol", ecol); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1459 } |
29024
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1460 |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1461 /* |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1462 * "virtcol2col({winid}, {lnum}, {col})" function |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1463 */ |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1464 void |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1465 f_virtcol2col(typval_T *argvars UNUSED, typval_T *rettv) |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1466 { |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1467 win_T *wp; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1468 linenr_T lnum; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1469 int screencol; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1470 int error = FALSE; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1471 |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1472 rettv->vval.v_number = -1; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1473 |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1474 if (check_for_number_arg(argvars, 0) == FAIL |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1475 || check_for_number_arg(argvars, 1) == FAIL |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1476 || check_for_number_arg(argvars, 2) == FAIL) |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1477 return; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1478 |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1479 wp = find_win_by_nr_or_id(&argvars[0]); |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1480 if (wp == NULL) |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1481 return; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1482 |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1483 lnum = tv_get_number_chk(&argvars[1], &error); |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1484 if (error || lnum < 0 || lnum > wp->w_buffer->b_ml.ml_line_count) |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1485 return; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1486 |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1487 screencol = tv_get_number_chk(&argvars[2], &error); |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1488 if (error || screencol < 0) |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1489 return; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1490 |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1491 rettv->vval.v_number = vcol2col(wp, lnum, screencol); |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1492 } |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1493 #endif |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1494 |
7 | 1495 /* |
1496 * Scroll the current window down by "line_count" logical lines. "CTRL-Y" | |
1497 */ | |
1498 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1499 scrolldown( |
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1500 long line_count, |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1501 int byfold UNUSED) // TRUE: count a closed fold as one line |
7 | 1502 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1503 long done = 0; // total # of physical lines done |
7 | 1504 int wrow; |
1505 int moved = FALSE; | |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
30645
diff
changeset
|
1506 int do_sms = curwin->w_p_wrap && curwin->w_p_sms; |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1507 int width1 = 0; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1508 int width2 = 0; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1509 |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1510 if (do_sms) |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1511 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1512 width1 = curwin->w_width - curwin_col_off(); |
30622
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
30620
diff
changeset
|
1513 width2 = width1 + curwin_col_off2(); |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1514 } |
7 | 1515 |
1516 #ifdef FEAT_FOLDING | |
1517 linenr_T first; | |
1518 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1519 // Make sure w_topline is at the first of a sequence of folded lines. |
7 | 1520 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
1521 #endif | |
18931
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patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1522 validate_cursor(); // w_wrow needs to be valid |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
30645
diff
changeset
|
1523 for (int todo = line_count; todo > 0; --todo) |
7 | 1524 { |
1525 #ifdef FEAT_DIFF | |
1980 | 1526 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline) |
1527 && curwin->w_topfill < curwin->w_height - 1) | |
7 | 1528 { |
1529 ++curwin->w_topfill; | |
1530 ++done; | |
1531 } | |
1532 else | |
1533 #endif | |
1534 { | |
30620
70d6345a2976
patch 9.0.0645: CTRL-Y does not stop at line 1
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1535 // break when at the very top |
70d6345a2976
patch 9.0.0645: CTRL-Y does not stop at line 1
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parents:
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diff
changeset
|
1536 if (curwin->w_topline == 1 |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1537 && (!do_sms || curwin->w_skipcol < width1)) |
7 | 1538 break; |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
30645
diff
changeset
|
1539 if (do_sms && curwin->w_skipcol >= width1) |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1540 { |
30620
70d6345a2976
patch 9.0.0645: CTRL-Y does not stop at line 1
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1541 // scroll a screen line down |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1542 if (curwin->w_skipcol >= width1 + width2) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1543 curwin->w_skipcol -= width2; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1544 else |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1545 curwin->w_skipcol -= width1; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1546 redraw_later(UPD_NOT_VALID); |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1547 ++done; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1548 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1549 else |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1550 { |
30620
70d6345a2976
patch 9.0.0645: CTRL-Y does not stop at line 1
Bram Moolenaar <Bram@vim.org>
parents:
30610
diff
changeset
|
1551 // scroll a text line down |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1552 --curwin->w_topline; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1553 curwin->w_skipcol = 0; |
7 | 1554 #ifdef FEAT_DIFF |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1555 curwin->w_topfill = 0; |
7 | 1556 #endif |
1557 #ifdef FEAT_FOLDING | |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1558 // A sequence of folded lines only counts for one logical line |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1559 if (hasFolding(curwin->w_topline, &first, NULL)) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1560 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1561 ++done; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1562 if (!byfold) |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
30645
diff
changeset
|
1563 todo -= curwin->w_topline - first - 1; |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1564 curwin->w_botline -= curwin->w_topline - first; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1565 curwin->w_topline = first; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1566 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1567 else |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1568 #endif |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
30645
diff
changeset
|
1569 if (do_sms) |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1570 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1571 int size = win_linetabsize(curwin, curwin->w_topline, |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1572 ml_get(curwin->w_topline), (colnr_T)MAXCOL); |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1573 if (size > width1) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1574 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1575 curwin->w_skipcol = width1; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1576 size -= width1; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1577 redraw_later(UPD_NOT_VALID); |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1578 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1579 while (size > width2) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1580 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1581 curwin->w_skipcol += width2; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1582 size -= width2; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1583 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1584 ++done; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1585 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1586 else |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1587 done += PLINES_NOFILL(curwin->w_topline); |
7 | 1588 } |
1589 } | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1590 --curwin->w_botline; // approximate w_botline |
7 | 1591 invalidate_botline(); |
1592 } | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1593 curwin->w_wrow += done; // keep w_wrow updated |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1594 curwin->w_cline_row += done; // keep w_cline_row updated |
7 | 1595 |
1596 #ifdef FEAT_DIFF | |
1597 if (curwin->w_cursor.lnum == curwin->w_topline) | |
1598 curwin->w_cline_row = 0; | |
1599 check_topfill(curwin, TRUE); | |
1600 #endif | |
1601 | |
1602 /* | |
1603 * Compute the row number of the last row of the cursor line | |
1604 * and move the cursor onto the displayed part of the window. | |
1605 */ | |
1606 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
|
1607 if (curwin->w_p_wrap && curwin->w_width != 0) |
7 | 1608 { |
1609 validate_virtcol(); | |
1610 validate_cheight(); | |
1611 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
|
1612 curwin->w_virtcol / curwin->w_width; |
7 | 1613 } |
1614 while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1) | |
1615 { | |
1616 #ifdef FEAT_FOLDING | |
1617 if (hasFolding(curwin->w_cursor.lnum, &first, NULL)) | |
1618 { | |
1619 --wrow; | |
1620 if (first == 1) | |
1621 curwin->w_cursor.lnum = 1; | |
1622 else | |
1623 curwin->w_cursor.lnum = first - 1; | |
1624 } | |
1625 else | |
1626 #endif | |
1627 wrow -= plines(curwin->w_cursor.lnum--); | |
1628 curwin->w_valid &= | |
1629 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL); | |
1630 moved = TRUE; | |
1631 } | |
1632 if (moved) | |
1633 { | |
1634 #ifdef FEAT_FOLDING | |
18931
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|
1635 // Move cursor to first line of closed fold. |
7 | 1636 foldAdjustCursor(); |
1637 #endif | |
1638 coladvance(curwin->w_curswant); | |
1639 } | |
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|
1640 |
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|
1641 if (curwin->w_cursor.lnum == curwin->w_topline && do_sms) |
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|
1642 { |
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patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
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|
1643 long so = get_scrolloff_value(); |
30745
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|
1644 int scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2; |
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|
1645 |
30733
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|
1646 // make sure the cursor is in the visible text |
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|
1647 validate_virtcol(); |
30745
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|
1648 int col = curwin->w_virtcol - curwin->w_skipcol + scrolloff_cols; |
30733
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|
1649 int row = 0; |
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|
1650 if (col >= width1) |
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|
1651 { |
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|
1652 col -= width1; |
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|
1653 ++row; |
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|
1654 } |
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|
1655 if (col > width2) |
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|
1656 { |
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|
1657 row += col / width2; |
5bea8e583d28
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|
1658 col = col % width2; |
5bea8e583d28
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|
1659 } |
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|
1660 if (row >= curwin->w_height) |
30745
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|
1661 { |
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|
1662 curwin->w_curswant = curwin->w_virtcol |
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|
1663 - (row - curwin->w_height + 1) * width2; |
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|
1664 coladvance(curwin->w_curswant); |
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|
1665 } |
30733
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|
1666 } |
7 | 1667 } |
1668 | |
1669 /* | |
30946
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|
1670 * Return TRUE if scrollup() will scroll by screen line rather than text line. |
1819fe895aea
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|
1671 */ |
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|
1672 static int |
1819fe895aea
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|
1673 scrolling_screenlines(int byfold UNUSED) |
1819fe895aea
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|
1674 { |
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|
1675 return (curwin->w_p_wrap && curwin->w_p_sms) |
1819fe895aea
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|
1676 # ifdef FEAT_FOLDING |
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|
1677 || (byfold && hasAnyFolding(curwin)) |
1819fe895aea
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|
1678 # endif |
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|
1679 # ifdef FEAT_DIFF |
1819fe895aea
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|
1680 || curwin->w_p_diff |
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|
1681 # endif |
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|
1682 ; |
1819fe895aea
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|
1683 } |
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|
1684 |
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|
1685 /* |
7 | 1686 * Scroll the current window up by "line_count" logical lines. "CTRL-E" |
1687 */ | |
1688 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
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7803
diff
changeset
|
1689 scrollup( |
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1690 long line_count, |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
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diff
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|
1691 int byfold UNUSED) // TRUE: count a closed fold as one line |
7 | 1692 { |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
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|
1693 int do_sms = curwin->w_p_wrap && curwin->w_p_sms; |
7 | 1694 |
30946
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|
1695 if (scrolling_screenlines(byfold)) |
7 | 1696 { |
30622
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patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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|
1697 int width1 = curwin->w_width - curwin_col_off(); |
ffd6e3bd65b8
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|
1698 int width2 = width1 + curwin_col_off2(); |
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|
1699 int size = 0; |
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|
1700 linenr_T prev_topline = curwin->w_topline; |
ffd6e3bd65b8
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|
1701 |
30673
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|
1702 if (do_sms) |
30833
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diff
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|
1703 size = linetabsize(curwin, curwin->w_topline); |
30622
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|
1704 |
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|
1705 // diff mode: first consume "topfill" |
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|
1706 // 'smoothscroll': increase "w_skipcol" until it goes over the end of |
ffd6e3bd65b8
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|
1707 // the line, then advance to the next line. |
ffd6e3bd65b8
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|
1708 // folding: count each sequence of folded lines as one logical line. |
ffd6e3bd65b8
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changeset
|
1709 for (int todo = line_count; todo > 0; --todo) |
7 | 1710 { |
1711 # ifdef FEAT_DIFF | |
1712 if (curwin->w_topfill > 0) | |
1713 --curwin->w_topfill; | |
1714 else | |
1715 # endif | |
1716 { | |
30622
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|
1717 linenr_T lnum = curwin->w_topline; |
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|
1718 |
7 | 1719 # ifdef FEAT_FOLDING |
1720 if (byfold) | |
30622
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|
1721 // for a closed fold: go to the last line in the fold |
7 | 1722 (void)hasFolding(lnum, NULL, &lnum); |
1723 # endif | |
30733
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|
1724 if (lnum == curwin->w_topline && do_sms) |
30622
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|
1725 { |
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|
1726 // 'smoothscroll': increase "w_skipcol" until it goes over |
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|
1727 // the end of the line, then advance to the next line. |
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|
1728 int add = curwin->w_skipcol > 0 ? width2 : width1; |
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changeset
|
1729 curwin->w_skipcol += add; |
ffd6e3bd65b8
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|
1730 if (curwin->w_skipcol >= size) |
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|
1731 { |
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|
1732 if (lnum == curbuf->b_ml.ml_line_count) |
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|
1733 { |
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|
1734 // at the last screen line, can't scroll further |
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|
1735 curwin->w_skipcol -= add; |
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|
1736 break; |
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|
1737 } |
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|
1738 ++lnum; |
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|
1739 } |
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|
1740 } |
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|
1741 else |
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|
1742 { |
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|
1743 if (lnum >= curbuf->b_ml.ml_line_count) |
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|
1744 break; |
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|
1745 ++lnum; |
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|
1746 } |
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|
1747 |
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changeset
|
1748 if (lnum > curwin->w_topline) |
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|
1749 { |
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changeset
|
1750 // approximate w_botline |
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changeset
|
1751 curwin->w_botline += lnum - curwin->w_topline; |
ffd6e3bd65b8
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changeset
|
1752 curwin->w_topline = lnum; |
7 | 1753 # ifdef FEAT_DIFF |
30622
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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diff
changeset
|
1754 curwin->w_topfill = diff_check_fill(curwin, lnum); |
7 | 1755 # endif |
30622
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patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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diff
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|
1756 curwin->w_skipcol = 0; |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
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30645
diff
changeset
|
1757 if (todo > 1 && do_sms) |
30833
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patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1758 size = linetabsize(curwin, curwin->w_topline); |
30622
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patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
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|
1759 } |
7 | 1760 } |
1761 } | |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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30491
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|
1762 |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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|
1763 if (curwin->w_topline == prev_topline) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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|
1764 // need to redraw even though w_topline didn't change |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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|
1765 redraw_later(UPD_NOT_VALID); |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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|
1766 } |
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patch 9.0.0640: cannot scroll by screen line if a line wraps
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|
1767 else |
7 | 1768 { |
1769 curwin->w_topline += line_count; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
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18892
diff
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|
1770 curwin->w_botline += line_count; // approximate w_botline |
7 | 1771 } |
1772 | |
1773 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
1774 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
1775 if (curwin->w_botline > curbuf->b_ml.ml_line_count + 1) | |
1776 curwin->w_botline = curbuf->b_ml.ml_line_count + 1; | |
1777 | |
1778 #ifdef FEAT_DIFF | |
1779 check_topfill(curwin, FALSE); | |
1780 #endif | |
1781 | |
1782 #ifdef FEAT_FOLDING | |
1783 if (hasAnyFolding(curwin)) | |
18931
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|
1784 // Make sure w_topline is at the first of a sequence of folded lines. |
7 | 1785 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
1786 #endif | |
1787 | |
1788 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
1789 if (curwin->w_cursor.lnum < curwin->w_topline) | |
1790 { | |
1791 curwin->w_cursor.lnum = curwin->w_topline; | |
1792 curwin->w_valid &= | |
1793 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL); | |
1794 coladvance(curwin->w_curswant); | |
1795 } | |
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|
1796 if (curwin->w_cursor.lnum == curwin->w_topline |
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|
1797 && do_sms && curwin->w_skipcol > 0) |
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|
1798 { |
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|
1799 int width1 = curwin->w_width - curwin_col_off(); |
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|
1800 int width2 = width1 + curwin_col_off2(); |
30833
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|
1801 long so = get_scrolloff_value(); |
30745
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|
1802 int scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2; |
30833
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|
1803 int space_cols = (curwin->w_height - 1) * width2; |
30745
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|
1804 |
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|
1805 // Make sure the cursor is in a visible part of the line, taking |
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|
1806 // 'scrolloff' into account, but using screen lines. |
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|
1807 // If there are not enough screen lines put the cursor in the middle. |
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|
1808 if (scrolloff_cols > space_cols / 2) |
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|
1809 scrolloff_cols = space_cols / 2; |
30733
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Bram Moolenaar <Bram@vim.org>
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|
1810 validate_virtcol(); |
30745
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|
1811 if (curwin->w_virtcol < curwin->w_skipcol + 3 + scrolloff_cols) |
30733
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|
1812 { |
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|
1813 colnr_T col = curwin->w_virtcol; |
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|
1814 |
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|
1815 if (col < width1) |
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|
1816 col += width1; |
30745
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|
1817 while (col < curwin->w_skipcol + 3 + scrolloff_cols) |
30733
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|
1818 col += width2; |
30745
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|
1819 curwin->w_curswant = col; |
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1820 coladvance(curwin->w_curswant); |
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|
1821 |
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1822 // validate_virtcol() marked various things as valid, but after |
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|
1823 // moving the cursor they need to be recomputed |
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1824 curwin->w_valid &= |
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|
1825 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL); |
30733
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|
1826 } |
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|
1827 } |
7 | 1828 } |
1829 | |
30799
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|
1830 /* |
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1831 * Called after changing the cursor column: make sure that curwin->w_skipcol is |
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1832 * valid for 'smoothscroll'. |
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|
1833 */ |
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|
1834 void |
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|
1835 adjust_skipcol(void) |
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1836 { |
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|
1837 if (!curwin->w_p_wrap |
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|
1838 || !curwin->w_p_sms |
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|
1839 || curwin->w_cursor.lnum != curwin->w_topline) |
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|
1840 return; |
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|
1841 |
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|
1842 int width1 = curwin->w_width - curwin_col_off(); |
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|
1843 int width2 = width1 + curwin_col_off2(); |
30833
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|
1844 long so = get_scrolloff_value(); |
30799
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|
1845 int scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2; |
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|
1846 int scrolled = FALSE; |
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|
1847 |
30946
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|
1848 validate_cheight(); |
30833
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|
1849 if (curwin->w_cline_height == curwin->w_height) |
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|
1850 { |
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|
1851 // the line just fits in the window, don't scroll |
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1852 if (curwin->w_skipcol != 0) |
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|
1853 { |
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|
1854 curwin->w_skipcol = 0; |
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|
1855 redraw_later(UPD_NOT_VALID); |
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|
1856 } |
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|
1857 return; |
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|
1858 } |
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|
1859 |
30946
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|
1860 validate_virtcol(); |
30799
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|
1861 while (curwin->w_skipcol > 0 |
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|
1862 && curwin->w_virtcol < curwin->w_skipcol + 3 + scrolloff_cols) |
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|
1863 { |
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|
1864 // scroll a screen line down |
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|
1865 if (curwin->w_skipcol >= width1 + width2) |
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|
1866 curwin->w_skipcol -= width2; |
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|
1867 else |
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|
1868 curwin->w_skipcol -= width1; |
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changeset
|
1869 redraw_later(UPD_NOT_VALID); |
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|
1870 scrolled = TRUE; |
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|
1871 validate_virtcol(); |
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|
1872 } |
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|
1873 if (scrolled) |
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|
1874 return; // don't scroll in the other direction now |
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|
1875 |
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|
1876 int col = curwin->w_virtcol - curwin->w_skipcol + scrolloff_cols; |
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|
1877 int row = 0; |
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|
1878 if (col >= width1) |
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|
1879 { |
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1880 col -= width1; |
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1881 ++row; |
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1882 } |
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1883 if (col > width2) |
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1884 { |
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1885 row += col / width2; |
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1886 col = col % width2; |
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1887 } |
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1888 if (row >= curwin->w_height) |
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1889 { |
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1890 if (curwin->w_skipcol == 0) |
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1891 { |
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1892 curwin->w_skipcol += width1; |
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1893 --row; |
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1894 } |
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1895 if (row >= curwin->w_height) |
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1896 curwin->w_skipcol += (row - curwin->w_height) * width2; |
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1897 redraw_later(UPD_NOT_VALID); |
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1898 } |
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1899 } |
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1900 |
7 | 1901 #ifdef FEAT_DIFF |
1902 /* | |
1903 * Don't end up with too many filler lines in the window. | |
1904 */ | |
1905 void | |
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1906 check_topfill( |
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1907 win_T *wp, |
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1908 int down) // when TRUE scroll down when not enough space |
7 | 1909 { |
1910 int n; | |
1911 | |
1912 if (wp->w_topfill > 0) | |
1913 { | |
1914 n = plines_win_nofill(wp, wp->w_topline, TRUE); | |
1915 if (wp->w_topfill + n > wp->w_height) | |
1916 { | |
1917 if (down && wp->w_topline > 1) | |
1918 { | |
1919 --wp->w_topline; | |
1920 wp->w_topfill = 0; | |
1921 } | |
1922 else | |
1923 { | |
1924 wp->w_topfill = wp->w_height - n; | |
1925 if (wp->w_topfill < 0) | |
1926 wp->w_topfill = 0; | |
1927 } | |
1928 } | |
1929 } | |
1930 } | |
1931 | |
1932 /* | |
1933 * Use as many filler lines as possible for w_topline. Make sure w_topline | |
1934 * is still visible. | |
1935 */ | |
1936 static void | |
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1937 max_topfill(void) |
7 | 1938 { |
1939 int n; | |
1940 | |
1941 n = plines_nofill(curwin->w_topline); | |
1942 if (n >= curwin->w_height) | |
1943 curwin->w_topfill = 0; | |
1944 else | |
1945 { | |
1946 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
1947 if (curwin->w_topfill + n > curwin->w_height) | |
1948 curwin->w_topfill = curwin->w_height - n; | |
1949 } | |
1950 } | |
1951 #endif | |
1952 | |
1953 /* | |
1954 * Scroll the screen one line down, but don't do it if it would move the | |
1955 * cursor off the screen. | |
1956 */ | |
1957 void | |
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1958 scrolldown_clamp(void) |
7 | 1959 { |
1960 int end_row; | |
1961 #ifdef FEAT_DIFF | |
1962 int can_fill = (curwin->w_topfill | |
1963 < diff_check_fill(curwin, curwin->w_topline)); | |
1964 #endif | |
1965 | |
1966 if (curwin->w_topline <= 1 | |
1967 #ifdef FEAT_DIFF | |
1968 && !can_fill | |
1969 #endif | |
1970 ) | |
1971 return; | |
1972 | |
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1973 validate_cursor(); // w_wrow needs to be valid |
7 | 1974 |
1975 /* | |
1976 * Compute the row number of the last row of the cursor line | |
1977 * and make sure it doesn't go off the screen. Make sure the cursor | |
1978 * doesn't go past 'scrolloff' lines from the screen end. | |
1979 */ | |
1980 end_row = curwin->w_wrow; | |
1981 #ifdef FEAT_DIFF | |
1982 if (can_fill) | |
1983 ++end_row; | |
1984 else | |
1985 end_row += plines_nofill(curwin->w_topline - 1); | |
1986 #else | |
1987 end_row += plines(curwin->w_topline - 1); | |
1988 #endif | |
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1989 if (curwin->w_p_wrap && curwin->w_width != 0) |
7 | 1990 { |
1991 validate_cheight(); | |
1992 validate_virtcol(); | |
1993 end_row += curwin->w_cline_height - 1 - | |
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1994 curwin->w_virtcol / curwin->w_width; |
7 | 1995 } |
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1996 if (end_row < curwin->w_height - get_scrolloff_value()) |
7 | 1997 { |
1998 #ifdef FEAT_DIFF | |
1999 if (can_fill) | |
2000 { | |
2001 ++curwin->w_topfill; | |
2002 check_topfill(curwin, TRUE); | |
2003 } | |
2004 else | |
2005 { | |
2006 --curwin->w_topline; | |
2007 curwin->w_topfill = 0; | |
2008 } | |
2009 #else | |
2010 --curwin->w_topline; | |
2011 #endif | |
2012 #ifdef FEAT_FOLDING | |
7009 | 2013 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
7 | 2014 #endif |
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2015 --curwin->w_botline; // approximate w_botline |
7 | 2016 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); |
2017 } | |
2018 } | |
2019 | |
2020 /* | |
2021 * Scroll the screen one line up, but don't do it if it would move the cursor | |
2022 * off the screen. | |
2023 */ | |
2024 void | |
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2025 scrollup_clamp(void) |
7 | 2026 { |
2027 int start_row; | |
2028 | |
2029 if (curwin->w_topline == curbuf->b_ml.ml_line_count | |
2030 #ifdef FEAT_DIFF | |
2031 && curwin->w_topfill == 0 | |
2032 #endif | |
2033 ) | |
2034 return; | |
2035 | |
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2036 validate_cursor(); // w_wrow needs to be valid |
7 | 2037 |
2038 /* | |
2039 * Compute the row number of the first row of the cursor line | |
2040 * and make sure it doesn't go off the screen. Make sure the cursor | |
2041 * doesn't go before 'scrolloff' lines from the screen start. | |
2042 */ | |
2043 #ifdef FEAT_DIFF | |
2044 start_row = curwin->w_wrow - plines_nofill(curwin->w_topline) | |
2045 - curwin->w_topfill; | |
2046 #else | |
2047 start_row = curwin->w_wrow - plines(curwin->w_topline); | |
2048 #endif | |
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2049 if (curwin->w_p_wrap && curwin->w_width != 0) |
7 | 2050 { |
2051 validate_virtcol(); | |
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2052 start_row -= curwin->w_virtcol / curwin->w_width; |
7 | 2053 } |
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2054 if (start_row >= get_scrolloff_value()) |
7 | 2055 { |
2056 #ifdef FEAT_DIFF | |
2057 if (curwin->w_topfill > 0) | |
2058 --curwin->w_topfill; | |
2059 else | |
2060 #endif | |
36 | 2061 { |
2062 #ifdef FEAT_FOLDING | |
2063 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline); | |
2064 #endif | |
7 | 2065 ++curwin->w_topline; |
36 | 2066 } |
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2067 ++curwin->w_botline; // approximate w_botline |
7 | 2068 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); |
2069 } | |
2070 } | |
2071 | |
2072 /* | |
2073 * Add one line above "lp->lnum". This can be a filler line, a closed fold or | |
2074 * a (wrapped) text line. Uses and sets "lp->fill". | |
2075 * Returns the height of the added line in "lp->height". | |
2082
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2076 * Lines above the first one are incredibly high: MAXCOL. |
7 | 2077 */ |
2078 static void | |
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|
2079 topline_back(lineoff_T *lp) |
7 | 2080 { |
2081 #ifdef FEAT_DIFF | |
2082 if (lp->fill < diff_check_fill(curwin, lp->lnum)) | |
2083 { | |
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|
2084 // Add a filler line. |
7 | 2085 ++lp->fill; |
2086 lp->height = 1; | |
2087 } | |
2088 else | |
2089 #endif | |
2090 { | |
2091 --lp->lnum; | |
2092 #ifdef FEAT_DIFF | |
2093 lp->fill = 0; | |
2094 #endif | |
2095 if (lp->lnum < 1) | |
2096 lp->height = MAXCOL; | |
2097 else | |
2098 #ifdef FEAT_FOLDING | |
2099 if (hasFolding(lp->lnum, &lp->lnum, NULL)) | |
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2100 // Add a closed fold |
7 | 2101 lp->height = 1; |
2102 else | |
2103 #endif | |
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changeset
|
2104 lp->height = PLINES_NOFILL(lp->lnum); |
7 | 2105 } |
2106 } | |
2107 | |
2108 /* | |
2109 * Add one line below "lp->lnum". This can be a filler line, a closed fold or | |
2110 * a (wrapped) text line. Uses and sets "lp->fill". | |
2111 * Returns the height of the added line in "lp->height". | |
2112 * Lines below the last one are incredibly high. | |
2113 */ | |
2114 static void | |
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|
2115 botline_forw(lineoff_T *lp) |
7 | 2116 { |
2117 #ifdef FEAT_DIFF | |
2118 if (lp->fill < diff_check_fill(curwin, lp->lnum + 1)) | |
2119 { | |
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|
2120 // Add a filler line. |
7 | 2121 ++lp->fill; |
2122 lp->height = 1; | |
2123 } | |
2124 else | |
2125 #endif | |
2126 { | |
2127 ++lp->lnum; | |
2128 #ifdef FEAT_DIFF | |
2129 lp->fill = 0; | |
2130 #endif | |
2131 if (lp->lnum > curbuf->b_ml.ml_line_count) | |
2132 lp->height = MAXCOL; | |
2133 else | |
2134 #ifdef FEAT_FOLDING | |
2135 if (hasFolding(lp->lnum, NULL, &lp->lnum)) | |
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2136 // Add a closed fold |
7 | 2137 lp->height = 1; |
2138 else | |
2139 #endif | |
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|
2140 lp->height = PLINES_NOFILL(lp->lnum); |
7 | 2141 } |
2142 } | |
2143 | |
2144 #ifdef FEAT_DIFF | |
2145 /* | |
2146 * Switch from including filler lines below lp->lnum to including filler | |
2147 * lines above loff.lnum + 1. This keeps pointing to the same line. | |
2148 * When there are no filler lines nothing changes. | |
2149 */ | |
2150 static void | |
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2151 botline_topline(lineoff_T *lp) |
7 | 2152 { |
2153 if (lp->fill > 0) | |
2154 { | |
2155 ++lp->lnum; | |
2156 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1; | |
2157 } | |
2158 } | |
2159 | |
2160 /* | |
2161 * Switch from including filler lines above lp->lnum to including filler | |
2162 * lines below loff.lnum - 1. This keeps pointing to the same line. | |
2163 * When there are no filler lines nothing changes. | |
2164 */ | |
2165 static void | |
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2166 topline_botline(lineoff_T *lp) |
7 | 2167 { |
2168 if (lp->fill > 0) | |
2169 { | |
2170 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1; | |
2171 --lp->lnum; | |
2172 } | |
2173 } | |
2174 #endif | |
2175 | |
2176 /* | |
2177 * Recompute topline to put the cursor at the top of the window. | |
2178 * Scroll at least "min_scroll" lines. | |
2179 * If "always" is TRUE, always set topline (for "zt"). | |
2180 */ | |
2181 void | |
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|
2182 scroll_cursor_top(int min_scroll, int always) |
7 | 2183 { |
2184 int scrolled = 0; | |
2185 int extra = 0; | |
2186 int used; | |
2187 int i; | |
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2188 linenr_T top; // just above displayed lines |
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2189 linenr_T bot; // just below displayed lines |
7 | 2190 linenr_T old_topline = curwin->w_topline; |
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2191 int old_skipcol = curwin->w_skipcol; |
7 | 2192 #ifdef FEAT_DIFF |
2193 linenr_T old_topfill = curwin->w_topfill; | |
2194 #endif | |
2195 linenr_T new_topline; | |
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2196 int off = get_scrolloff_value(); |
7 | 2197 |
2198 if (mouse_dragging > 0) | |
2199 off = mouse_dragging - 1; | |
2200 | |
2201 /* | |
2202 * Decrease topline until: | |
2203 * - it has become 1 | |
2204 * - (part of) the cursor line is moved off the screen or | |
2205 * - moved at least 'scrolljump' lines and | |
2206 * - at least 'scrolloff' lines above and below the cursor | |
2207 */ | |
2208 validate_cheight(); | |
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2209 used = curwin->w_cline_height; // includes filler lines above |
7 | 2210 if (curwin->w_cursor.lnum < curwin->w_topline) |
2211 scrolled = used; | |
2212 | |
2213 #ifdef FEAT_FOLDING | |
2214 if (hasFolding(curwin->w_cursor.lnum, &top, &bot)) | |
2215 { | |
2216 --top; | |
2217 ++bot; | |
2218 } | |
2219 else | |
2220 #endif | |
2221 { | |
2222 top = curwin->w_cursor.lnum - 1; | |
2223 bot = curwin->w_cursor.lnum + 1; | |
2224 } | |
2225 new_topline = top + 1; | |
2226 | |
2227 #ifdef FEAT_DIFF | |
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2228 // "used" already contains the number of filler lines above, don't add it |
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2229 // again. |
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Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2230 // Hide filler lines above cursor line by adding them to "extra". |
7088
8a58dde655a8
commit https://github.com/vim/vim/commit/a09a2c5857ab854f0870573b5160da1964c905a2
Christian Brabandt <cb@256bit.org>
parents:
7082
diff
changeset
|
2231 extra += diff_check_fill(curwin, curwin->w_cursor.lnum); |
7 | 2232 #endif |
2233 | |
2234 /* | |
2235 * Check if the lines from "top" to "bot" fit in the window. If they do, | |
2236 * set new_topline and advance "top" and "bot" to include more lines. | |
2237 */ | |
2238 while (top > 0) | |
2239 { | |
2240 #ifdef FEAT_FOLDING | |
2241 if (hasFolding(top, &top, NULL)) | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2242 // count one logical line for a sequence of folded lines |
7 | 2243 i = 1; |
2244 else | |
2245 #endif | |
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2246 i = PLINES_NOFILL(top); |
7 | 2247 used += i; |
2248 if (extra + i <= off && bot < curbuf->b_ml.ml_line_count) | |
2249 { | |
2250 #ifdef FEAT_FOLDING | |
2251 if (hasFolding(bot, NULL, &bot)) | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2252 // count one logical line for a sequence of folded lines |
7 | 2253 ++used; |
2254 else | |
2255 #endif | |
2256 used += plines(bot); | |
2257 } | |
2258 if (used > curwin->w_height) | |
2259 break; | |
2260 if (top < curwin->w_topline) | |
2261 scrolled += i; | |
2262 | |
2263 /* | |
2264 * If scrolling is needed, scroll at least 'sj' lines. | |
2265 */ | |
2266 if ((new_topline >= curwin->w_topline || scrolled > min_scroll) | |
2267 && extra >= off) | |
2268 break; | |
2269 | |
2270 extra += i; | |
2271 new_topline = top; | |
2272 --top; | |
2273 ++bot; | |
2274 } | |
2275 | |
2276 /* | |
2277 * If we don't have enough space, put cursor in the middle. | |
2278 * This makes sure we get the same position when using "k" and "j" | |
2279 * in a small window. | |
2280 */ | |
2281 if (used > curwin->w_height) | |
2282 scroll_cursor_halfway(FALSE); | |
2283 else | |
2284 { | |
2285 /* | |
2286 * If "always" is FALSE, only adjust topline to a lower value, higher | |
2287 * value may happen with wrapping lines | |
2288 */ | |
2289 if (new_topline < curwin->w_topline || always) | |
2290 curwin->w_topline = new_topline; | |
2291 if (curwin->w_topline > curwin->w_cursor.lnum) | |
2292 curwin->w_topline = curwin->w_cursor.lnum; | |
2293 #ifdef FEAT_DIFF | |
2294 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
2295 if (curwin->w_topfill > 0 && extra > off) | |
2296 { | |
2297 curwin->w_topfill -= extra - off; | |
2298 if (curwin->w_topfill < 0) | |
2299 curwin->w_topfill = 0; | |
2300 } | |
2301 check_topfill(curwin, FALSE); | |
2302 #endif | |
30677
a345ad853b08
patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2303 // TODO: if the line doesn't fit may optimize w_skipcol |
a345ad853b08
patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2304 if (curwin->w_topline == curwin->w_cursor.lnum) |
a345ad853b08
patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2305 { |
a345ad853b08
patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2306 curwin->w_skipcol = 0; |
a345ad853b08
patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2307 redraw_later(UPD_NOT_VALID); |
a345ad853b08
patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2308 } |
7 | 2309 if (curwin->w_topline != old_topline |
30677
a345ad853b08
patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2310 || curwin->w_skipcol != old_skipcol |
7 | 2311 #ifdef FEAT_DIFF |
2312 || curwin->w_topfill != old_topfill | |
2313 #endif | |
2314 ) | |
2315 curwin->w_valid &= | |
2316 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
2317 curwin->w_valid |= VALID_TOPLINE; | |
2318 } | |
2319 } | |
2320 | |
2321 /* | |
2322 * Set w_empty_rows and w_filler_rows for window "wp", having used up "used" | |
2323 * screen lines for text lines. | |
2324 */ | |
2325 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2326 set_empty_rows(win_T *wp, int used) |
7 | 2327 { |
2328 #ifdef FEAT_DIFF | |
2329 wp->w_filler_rows = 0; | |
2330 #endif | |
2331 if (used == 0) | |
18931
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patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2332 wp->w_empty_rows = 0; // single line that doesn't fit |
7 | 2333 else |
2334 { | |
2335 wp->w_empty_rows = wp->w_height - used; | |
2336 #ifdef FEAT_DIFF | |
2337 if (wp->w_botline <= wp->w_buffer->b_ml.ml_line_count) | |
2338 { | |
2339 wp->w_filler_rows = diff_check_fill(wp, wp->w_botline); | |
2340 if (wp->w_empty_rows > wp->w_filler_rows) | |
2341 wp->w_empty_rows -= wp->w_filler_rows; | |
2342 else | |
2343 { | |
2344 wp->w_filler_rows = wp->w_empty_rows; | |
2345 wp->w_empty_rows = 0; | |
2346 } | |
2347 } | |
2348 #endif | |
2349 } | |
2350 } | |
2351 | |
2352 /* | |
2353 * Recompute topline to put the cursor at the bottom of the window. | |
29239
da56650de132
patch 8.2.5138: various small issues
Bram Moolenaar <Bram@vim.org>
parents:
29175
diff
changeset
|
2354 * When scrolling scroll at least "min_scroll" lines. |
7 | 2355 * If "set_topbot" is TRUE, set topline and botline first (for "zb"). |
2356 * This is messy stuff!!! | |
2357 */ | |
2358 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2359 scroll_cursor_bot(int min_scroll, int set_topbot) |
7 | 2360 { |
2361 int used; | |
2362 int scrolled = 0; | |
30675
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30673
diff
changeset
|
2363 int min_scrolled = 1; |
7 | 2364 int extra = 0; |
2365 int i; | |
2366 linenr_T line_count; | |
2367 linenr_T old_topline = curwin->w_topline; | |
2368 lineoff_T loff; | |
2369 lineoff_T boff; | |
2370 #ifdef FEAT_DIFF | |
2371 int old_topfill = curwin->w_topfill; | |
2372 int fill_below_window; | |
2373 #endif | |
2374 linenr_T old_botline = curwin->w_botline; | |
2375 linenr_T old_valid = curwin->w_valid; | |
2376 int old_empty_rows = curwin->w_empty_rows; | |
18931
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patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2377 linenr_T cln; // Cursor Line Number |
28809
d0241e74bfdb
patch 8.2.4928: various white space and cosmetic mistakes
Bram Moolenaar <Bram@vim.org>
parents:
28782
diff
changeset
|
2378 long so = get_scrolloff_value(); |
7 | 2379 |
2380 cln = curwin->w_cursor.lnum; | |
2381 if (set_topbot) | |
2382 { | |
2383 used = 0; | |
2384 curwin->w_botline = cln + 1; | |
2385 #ifdef FEAT_DIFF | |
2386 loff.fill = 0; | |
2387 #endif | |
2388 for (curwin->w_topline = curwin->w_botline; | |
2389 curwin->w_topline > 1; | |
2390 curwin->w_topline = loff.lnum) | |
2391 { | |
2392 loff.lnum = curwin->w_topline; | |
2393 topline_back(&loff); | |
2082
8ca3c9ad0bee
updated for version 7.2.366
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parents:
2070
diff
changeset
|
2394 if (loff.height == MAXCOL || used + loff.height > curwin->w_height) |
7 | 2395 break; |
2396 used += loff.height; | |
2397 #ifdef FEAT_DIFF | |
2398 curwin->w_topfill = loff.fill; | |
2399 #endif | |
2400 } | |
2401 set_empty_rows(curwin, used); | |
2402 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; | |
2403 if (curwin->w_topline != old_topline | |
2404 #ifdef FEAT_DIFF | |
2405 || curwin->w_topfill != old_topfill | |
2406 #endif | |
2407 ) | |
2408 curwin->w_valid &= ~(VALID_WROW|VALID_CROW); | |
2409 } | |
2410 else | |
2411 validate_botline(); | |
2412 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2413 // The lines of the cursor line itself are always used. |
7 | 2414 #ifdef FEAT_DIFF |
2415 used = plines_nofill(cln); | |
2416 #else | |
2417 validate_cheight(); | |
2418 used = curwin->w_cline_height; | |
2419 #endif | |
2420 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2421 // If the cursor is below botline, we will at least scroll by the height |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2422 // of the cursor line. Correct for empty lines, which are really part of |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2423 // botline. |
7 | 2424 if (cln >= curwin->w_botline) |
2425 { | |
2426 scrolled = used; | |
2427 if (cln == curwin->w_botline) | |
2428 scrolled -= curwin->w_empty_rows; | |
30675
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30673
diff
changeset
|
2429 min_scrolled = scrolled; |
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30673
diff
changeset
|
2430 if (cln > curwin->w_botline && curwin->w_p_sms && curwin->w_p_wrap) |
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30673
diff
changeset
|
2431 for (linenr_T lnum = curwin->w_botline + 1; lnum <= cln; ++lnum) |
30679
815b02faced9
patch 9.0.0674: build error with tiny version
Bram Moolenaar <Bram@vim.org>
parents:
30677
diff
changeset
|
2432 min_scrolled += PLINES_NOFILL(lnum); |
7 | 2433 } |
2434 | |
2435 /* | |
2436 * Stop counting lines to scroll when | |
2437 * - hitting start of the file | |
2438 * - 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
|
2439 * - at least 'scrolloff' lines below the cursor |
7 | 2440 * - lines between botline and cursor have been counted |
2441 */ | |
2442 #ifdef FEAT_FOLDING | |
2443 if (!hasFolding(curwin->w_cursor.lnum, &loff.lnum, &boff.lnum)) | |
2444 #endif | |
2445 { | |
2446 loff.lnum = cln; | |
2447 boff.lnum = cln; | |
2448 } | |
2449 #ifdef FEAT_DIFF | |
2450 loff.fill = 0; | |
2451 boff.fill = 0; | |
2452 fill_below_window = diff_check_fill(curwin, curwin->w_botline) | |
2453 - curwin->w_filler_rows; | |
2454 #endif | |
2455 | |
2456 while (loff.lnum > 1) | |
2457 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2458 // Stop when scrolled nothing or at least "min_scroll", found "extra" |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2459 // context for 'scrolloff' and counted all lines below the window. |
7 | 2460 if ((((scrolled <= 0 || scrolled >= min_scroll) |
18354
9f51d0cef8da
patch 8.1.2171: mouse support not always available
Bram Moolenaar <Bram@vim.org>
parents:
17863
diff
changeset
|
2461 && extra >= (mouse_dragging > 0 ? mouse_dragging - 1 : so)) |
7 | 2462 || boff.lnum + 1 > curbuf->b_ml.ml_line_count) |
2463 && loff.lnum <= curwin->w_botline | |
2464 #ifdef FEAT_DIFF | |
2465 && (loff.lnum < curwin->w_botline | |
2466 || loff.fill >= fill_below_window) | |
2467 #endif | |
2468 ) | |
2469 break; | |
2470 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2471 // Add one line above |
7 | 2472 topline_back(&loff); |
2082
8ca3c9ad0bee
updated for version 7.2.366
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parents:
2070
diff
changeset
|
2473 if (loff.height == MAXCOL) |
8ca3c9ad0bee
updated for version 7.2.366
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parents:
2070
diff
changeset
|
2474 used = MAXCOL; |
8ca3c9ad0bee
updated for version 7.2.366
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parents:
2070
diff
changeset
|
2475 else |
8ca3c9ad0bee
updated for version 7.2.366
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parents:
2070
diff
changeset
|
2476 used += loff.height; |
7 | 2477 if (used > curwin->w_height) |
2478 break; | |
2479 if (loff.lnum >= curwin->w_botline | |
2480 #ifdef FEAT_DIFF | |
2481 && (loff.lnum > curwin->w_botline | |
2482 || loff.fill <= fill_below_window) | |
2483 #endif | |
2484 ) | |
2485 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2486 // Count screen lines that are below the window. |
7 | 2487 scrolled += loff.height; |
2488 if (loff.lnum == curwin->w_botline | |
2489 #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
|
2490 && loff.fill == 0 |
7 | 2491 #endif |
2492 ) | |
2493 scrolled -= curwin->w_empty_rows; | |
2494 } | |
2495 | |
2496 if (boff.lnum < curbuf->b_ml.ml_line_count) | |
2497 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2498 // Add one line below |
7 | 2499 botline_forw(&boff); |
2500 used += boff.height; | |
2501 if (used > curwin->w_height) | |
2502 break; | |
18354
9f51d0cef8da
patch 8.1.2171: mouse support not always available
Bram Moolenaar <Bram@vim.org>
parents:
17863
diff
changeset
|
2503 if (extra < ( mouse_dragging > 0 ? mouse_dragging - 1 : so) |
9f51d0cef8da
patch 8.1.2171: mouse support not always available
Bram Moolenaar <Bram@vim.org>
parents:
17863
diff
changeset
|
2504 || scrolled < min_scroll) |
7 | 2505 { |
2506 extra += boff.height; | |
2507 if (boff.lnum >= curwin->w_botline | |
2508 #ifdef FEAT_DIFF | |
2509 || (boff.lnum + 1 == curwin->w_botline | |
2510 && boff.fill > curwin->w_filler_rows) | |
2511 #endif | |
2512 ) | |
2513 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2514 // Count screen lines that are below the window. |
7 | 2515 scrolled += boff.height; |
2516 if (boff.lnum == curwin->w_botline | |
2517 #ifdef FEAT_DIFF | |
2518 && boff.fill == 0 | |
2519 #endif | |
2520 ) | |
2521 scrolled -= curwin->w_empty_rows; | |
2522 } | |
2523 } | |
2524 } | |
2525 } | |
2526 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2527 // curwin->w_empty_rows is larger, no need to scroll |
7 | 2528 if (scrolled <= 0) |
2529 line_count = 0; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2530 // more than a screenfull, don't scroll but redraw |
7 | 2531 else if (used > curwin->w_height) |
2532 line_count = used; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2533 // scroll minimal number of lines |
7 | 2534 else |
2535 { | |
2536 line_count = 0; | |
2537 #ifdef FEAT_DIFF | |
2538 boff.fill = curwin->w_topfill; | |
2539 #endif | |
2540 boff.lnum = curwin->w_topline - 1; | |
2541 for (i = 0; i < scrolled && boff.lnum < curwin->w_botline; ) | |
2542 { | |
2543 botline_forw(&boff); | |
2544 i += boff.height; | |
2545 ++line_count; | |
2546 } | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2547 if (i < scrolled) // below curwin->w_botline, don't scroll |
7 | 2548 line_count = 9999; |
2549 } | |
2550 | |
2551 /* | |
2552 * Scroll up if the cursor is off the bottom of the screen a bit. | |
2553 * Otherwise put it at 1/2 of the screen. | |
2554 */ | |
2555 if (line_count >= curwin->w_height && line_count > min_scroll) | |
2556 scroll_cursor_halfway(FALSE); | |
2557 else | |
30675
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30673
diff
changeset
|
2558 { |
30946
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2559 // With 'smoothscroll' scroll at least the height of the cursor line, |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2560 // unless it would move the cursor. |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2561 if (curwin->w_p_wrap && curwin->w_p_sms && line_count < min_scrolled |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2562 && (curwin->w_cursor.lnum < curwin->w_topline |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2563 || (curwin->w_virtcol - curwin->w_skipcol >= |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2564 curwin->w_width - curwin_col_off()))) |
30675
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30673
diff
changeset
|
2565 line_count = min_scrolled; |
30946
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2566 if (line_count > 0) |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2567 { |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2568 if (scrolling_screenlines(TRUE)) |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2569 scrollup(scrolled, TRUE); // TODO |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2570 else |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2571 scrollup(line_count, TRUE); |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2572 } |
30675
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30673
diff
changeset
|
2573 } |
7 | 2574 |
2575 /* | |
2576 * If topline didn't change we need to restore w_botline and w_empty_rows | |
2577 * (we changed them). | |
2578 * If topline did change, update_screen() will set botline. | |
2579 */ | |
2580 if (curwin->w_topline == old_topline && set_topbot) | |
2581 { | |
2582 curwin->w_botline = old_botline; | |
2583 curwin->w_empty_rows = old_empty_rows; | |
2584 curwin->w_valid = old_valid; | |
2585 } | |
2586 curwin->w_valid |= VALID_TOPLINE; | |
2587 } | |
2588 | |
2589 /* | |
2590 * Recompute topline to put the cursor halfway the window | |
2591 * If "atend" is TRUE, also put it halfway at the end of the file. | |
2592 */ | |
2593 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2594 scroll_cursor_halfway(int atend) |
7 | 2595 { |
2596 int above = 0; | |
2597 linenr_T topline; | |
2598 #ifdef FEAT_DIFF | |
2599 int topfill = 0; | |
2600 #endif | |
2601 int below = 0; | |
2602 int used; | |
2603 lineoff_T loff; | |
2604 lineoff_T boff; | |
5661 | 2605 #ifdef FEAT_DIFF |
5653 | 2606 linenr_T old_topline = curwin->w_topline; |
5661 | 2607 #endif |
7 | 2608 |
22403
3351d2cd3f1f
patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set
Bram Moolenaar <Bram@vim.org>
parents:
21321
diff
changeset
|
2609 #ifdef FEAT_PROP_POPUP |
3351d2cd3f1f
patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set
Bram Moolenaar <Bram@vim.org>
parents:
21321
diff
changeset
|
2610 // if the width changed this needs to be updated first |
3351d2cd3f1f
patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set
Bram Moolenaar <Bram@vim.org>
parents:
21321
diff
changeset
|
2611 may_update_popup_position(); |
3351d2cd3f1f
patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set
Bram Moolenaar <Bram@vim.org>
parents:
21321
diff
changeset
|
2612 #endif |
7 | 2613 loff.lnum = boff.lnum = curwin->w_cursor.lnum; |
2614 #ifdef FEAT_FOLDING | |
2615 (void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum); | |
2616 #endif | |
2617 #ifdef FEAT_DIFF | |
2618 used = plines_nofill(loff.lnum); | |
2619 loff.fill = 0; | |
2620 boff.fill = 0; | |
2621 #else | |
2622 used = plines(loff.lnum); | |
2623 #endif | |
2624 topline = loff.lnum; | |
2625 while (topline > 1) | |
2626 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2627 if (below <= above) // add a line below the cursor first |
7 | 2628 { |
2629 if (boff.lnum < curbuf->b_ml.ml_line_count) | |
2630 { | |
2631 botline_forw(&boff); | |
2632 used += boff.height; | |
2633 if (used > curwin->w_height) | |
2634 break; | |
2635 below += boff.height; | |
2636 } | |
2637 else | |
2638 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2639 ++below; // count a "~" line |
7 | 2640 if (atend) |
2641 ++used; | |
2642 } | |
2643 } | |
2644 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2645 if (below > above) // add a line above the cursor |
7 | 2646 { |
2647 topline_back(&loff); | |
2082
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2648 if (loff.height == MAXCOL) |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2649 used = MAXCOL; |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2650 else |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2651 used += loff.height; |
7 | 2652 if (used > curwin->w_height) |
2653 break; | |
2654 above += loff.height; | |
2655 topline = loff.lnum; | |
2656 #ifdef FEAT_DIFF | |
2657 topfill = loff.fill; | |
2658 #endif | |
2659 } | |
2660 } | |
2661 #ifdef FEAT_FOLDING | |
2662 if (!hasFolding(topline, &curwin->w_topline, NULL)) | |
2663 #endif | |
2664 curwin->w_topline = topline; | |
2665 #ifdef FEAT_DIFF | |
2666 curwin->w_topfill = topfill; | |
5653 | 2667 if (old_topline > curwin->w_topline + curwin->w_height) |
2668 curwin->w_botfill = FALSE; | |
7 | 2669 check_topfill(curwin, FALSE); |
2670 #endif | |
2671 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
2672 curwin->w_valid |= VALID_TOPLINE; | |
2673 } | |
2674 | |
2675 /* | |
2676 * 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
|
2677 * 'scrolloff' lines from the top and bottom, if possible. |
7 | 2678 * If not possible, put it at the same position as scroll_cursor_halfway(). |
2679 * When called topline must be valid! | |
2680 */ | |
2681 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2682 cursor_correct(void) |
7 | 2683 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2684 int above = 0; // screen lines above topline |
7 | 2685 linenr_T topline; |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2686 int below = 0; // screen lines below botline |
7 | 2687 linenr_T botline; |
2688 int above_wanted, below_wanted; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2689 linenr_T cln; // Cursor Line Number |
7 | 2690 int max_off; |
28809
d0241e74bfdb
patch 8.2.4928: various white space and cosmetic mistakes
Bram Moolenaar <Bram@vim.org>
parents:
28782
diff
changeset
|
2691 long so = get_scrolloff_value(); |
7 | 2692 |
2693 /* | |
2694 * How many lines we would like to have above/below the cursor depends on | |
2695 * whether the first/last line of the file is on screen. | |
2696 */ | |
15713
ad8b2c109b22
patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents:
15697
diff
changeset
|
2697 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
|
2698 below_wanted = so; |
1121 | 2699 if (mouse_dragging > 0) |
7 | 2700 { |
2701 above_wanted = mouse_dragging - 1; | |
2702 below_wanted = mouse_dragging - 1; | |
2703 } | |
2704 if (curwin->w_topline == 1) | |
2705 { | |
2706 above_wanted = 0; | |
2707 max_off = curwin->w_height / 2; | |
2708 if (below_wanted > max_off) | |
2709 below_wanted = max_off; | |
2710 } | |
2711 validate_botline(); | |
2712 if (curwin->w_botline == curbuf->b_ml.ml_line_count + 1 | |
18354
9f51d0cef8da
patch 8.1.2171: mouse support not always available
Bram Moolenaar <Bram@vim.org>
parents:
17863
diff
changeset
|
2713 && mouse_dragging == 0) |
7 | 2714 { |
2715 below_wanted = 0; | |
2716 max_off = (curwin->w_height - 1) / 2; | |
2717 if (above_wanted > max_off) | |
2718 above_wanted = max_off; | |
2719 } | |
2720 | |
2721 /* | |
2722 * If there are sufficient file-lines above and below the cursor, we can | |
2723 * return now. | |
2724 */ | |
2725 cln = curwin->w_cursor.lnum; | |
2726 if (cln >= curwin->w_topline + above_wanted | |
2727 && cln < curwin->w_botline - below_wanted | |
2728 #ifdef FEAT_FOLDING | |
2729 && !hasAnyFolding(curwin) | |
2730 #endif | |
2731 ) | |
2732 return; | |
2733 | |
30833
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2734 if (curwin->w_p_sms && !curwin->w_p_wrap) |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2735 { |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2736 // 'smoothscroll is active |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2737 if (curwin->w_cline_height == curwin->w_height) |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2738 { |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2739 // The cursor line just fits in the window, don't scroll. |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2740 curwin->w_skipcol = 0; |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2741 return; |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2742 } |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2743 // TODO: If the cursor line doesn't fit in the window then only adjust |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2744 // w_skipcol. |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2745 } |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2746 |
7 | 2747 /* |
2748 * Narrow down the area where the cursor can be put by taking lines from | |
2749 * the top and the bottom until: | |
2750 * - the desired context lines are found | |
2751 * - the lines from the top is past the lines from the bottom | |
2752 */ | |
2753 topline = curwin->w_topline; | |
2754 botline = curwin->w_botline - 1; | |
2755 #ifdef FEAT_DIFF | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2756 // count filler lines as context |
7 | 2757 above = curwin->w_topfill; |
2758 below = curwin->w_filler_rows; | |
2759 #endif | |
2760 while ((above < above_wanted || below < below_wanted) && topline < botline) | |
2761 { | |
2762 if (below < below_wanted && (below <= above || above >= above_wanted)) | |
2763 { | |
2764 #ifdef FEAT_FOLDING | |
2765 if (hasFolding(botline, &botline, NULL)) | |
2766 ++below; | |
2767 else | |
2768 #endif | |
2769 below += plines(botline); | |
2770 --botline; | |
2771 } | |
2772 if (above < above_wanted && (above < below || below >= below_wanted)) | |
2773 { | |
2774 #ifdef FEAT_FOLDING | |
2775 if (hasFolding(topline, NULL, &topline)) | |
2776 ++above; | |
2777 else | |
2778 #endif | |
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2779 above += PLINES_NOFILL(topline); |
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2780 #ifdef FEAT_DIFF |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2781 // Count filler lines below this line as context. |
7 | 2782 if (topline < botline) |
2783 above += diff_check_fill(curwin, topline + 1); | |
2784 #endif | |
2785 ++topline; | |
2786 } | |
2787 } | |
2788 if (topline == botline || botline == 0) | |
2789 curwin->w_cursor.lnum = topline; | |
2790 else if (topline > botline) | |
2791 curwin->w_cursor.lnum = botline; | |
2792 else | |
2793 { | |
2794 if (cln < topline && curwin->w_topline > 1) | |
2795 { | |
2796 curwin->w_cursor.lnum = topline; | |
2797 curwin->w_valid &= | |
2798 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW); | |
2799 } | |
2800 if (cln > botline && curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
2801 { | |
2802 curwin->w_cursor.lnum = botline; | |
2803 curwin->w_valid &= | |
2804 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW); | |
2805 } | |
2806 } | |
2807 curwin->w_valid |= VALID_TOPLINE; | |
2808 } | |
2809 | |
7803
37c929c4a073
commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents:
7103
diff
changeset
|
2810 static void get_scroll_overlap(lineoff_T *lp, int dir); |
7 | 2811 |
2812 /* | |
2813 * move screen 'count' pages up or down and update screen | |
2814 * | |
2815 * return FAIL for failure, OK otherwise | |
2816 */ | |
2817 int | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2818 onepage(int dir, long count) |
7 | 2819 { |
2820 long n; | |
2821 int retval = OK; | |
2822 lineoff_T loff; | |
2823 linenr_T old_topline = curwin->w_topline; | |
28809
d0241e74bfdb
patch 8.2.4928: various white space and cosmetic mistakes
Bram Moolenaar <Bram@vim.org>
parents:
28782
diff
changeset
|
2824 long so = get_scrolloff_value(); |
7 | 2825 |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2826 if (curbuf->b_ml.ml_line_count == 1) // nothing to do |
7 | 2827 { |
2828 beep_flush(); | |
2829 return FAIL; | |
2830 } | |
2831 | |
2832 for ( ; count > 0; --count) | |
2833 { | |
2834 validate_botline(); | |
2835 /* | |
2836 * It's an error to move a page up when the first line is already on | |
2837 * the screen. It's an error to move a page down when the last line | |
2838 * is on the screen and the topline is 'scrolloff' lines from the | |
2839 * last line. | |
2840 */ | |
2841 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
|
2842 ? ((curwin->w_topline >= curbuf->b_ml.ml_line_count - so) |
7 | 2843 && curwin->w_botline > curbuf->b_ml.ml_line_count) |
2844 : (curwin->w_topline == 1 | |
2845 #ifdef FEAT_DIFF | |
2846 && curwin->w_topfill == | |
2847 diff_check_fill(curwin, curwin->w_topline) | |
2848 #endif | |
2849 )) | |
2850 { | |
2851 beep_flush(); | |
2852 retval = FAIL; | |
2853 break; | |
2854 } | |
2855 | |
2856 #ifdef FEAT_DIFF | |
2857 loff.fill = 0; | |
2858 #endif | |
2859 if (dir == FORWARD) | |
2860 { | |
10349
cf988222b150
commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660
Christian Brabandt <cb@256bit.org>
parents:
10295
diff
changeset
|
2861 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1) |
7 | 2862 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2863 // Vi compatible scrolling |
164 | 2864 if (p_window <= 2) |
2865 ++curwin->w_topline; | |
2866 else | |
2867 curwin->w_topline += p_window - 2; | |
2868 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
2869 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
2870 curwin->w_cursor.lnum = curwin->w_topline; | |
2871 } | |
2872 else if (curwin->w_botline > curbuf->b_ml.ml_line_count) | |
2873 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2874 // at end of file |
7 | 2875 curwin->w_topline = curbuf->b_ml.ml_line_count; |
2876 #ifdef FEAT_DIFF | |
2877 curwin->w_topfill = 0; | |
2878 #endif | |
2879 curwin->w_valid &= ~(VALID_WROW|VALID_CROW); | |
2880 } | |
2881 else | |
2882 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2883 // For the overlap, start with the line just below the window |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
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parents:
18892
diff
changeset
|
2884 // and go upwards. |
7 | 2885 loff.lnum = curwin->w_botline; |
2886 #ifdef FEAT_DIFF | |
2887 loff.fill = diff_check_fill(curwin, loff.lnum) | |
2888 - curwin->w_filler_rows; | |
2889 #endif | |
2890 get_scroll_overlap(&loff, -1); | |
2891 curwin->w_topline = loff.lnum; | |
2892 #ifdef FEAT_DIFF | |
2893 curwin->w_topfill = loff.fill; | |
2894 check_topfill(curwin, FALSE); | |
2895 #endif | |
2896 curwin->w_cursor.lnum = curwin->w_topline; | |
2897 curwin->w_valid &= ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW| | |
2898 VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
2899 } | |
2900 } | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
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parents:
18892
diff
changeset
|
2901 else // dir == BACKWARDS |
7 | 2902 { |
2903 #ifdef FEAT_DIFF | |
2904 if (curwin->w_topline == 1) | |
2905 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2906 // Include max number of filler lines |
7 | 2907 max_topfill(); |
2908 continue; | |
2909 } | |
2910 #endif | |
10349
cf988222b150
commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660
Christian Brabandt <cb@256bit.org>
parents:
10295
diff
changeset
|
2911 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1) |
164 | 2912 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2913 // Vi compatible scrolling (sort of) |
164 | 2914 if (p_window <= 2) |
2915 --curwin->w_topline; | |
2916 else | |
2917 curwin->w_topline -= p_window - 2; | |
2918 if (curwin->w_topline < 1) | |
2919 curwin->w_topline = 1; | |
2920 curwin->w_cursor.lnum = curwin->w_topline + p_window - 1; | |
2921 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) | |
2922 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; | |
2923 continue; | |
2924 } | |
2925 | |
18931
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patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2926 // Find the line at the top of the window that is going to be the |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2927 // line at the bottom of the window. Make sure this results in |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2928 // the same line as before doing CTRL-F. |
7 | 2929 loff.lnum = curwin->w_topline - 1; |
2930 #ifdef FEAT_DIFF | |
2931 loff.fill = diff_check_fill(curwin, loff.lnum + 1) | |
2932 - curwin->w_topfill; | |
2933 #endif | |
2934 get_scroll_overlap(&loff, 1); | |
2935 | |
2936 if (loff.lnum >= curbuf->b_ml.ml_line_count) | |
2937 { | |
2938 loff.lnum = curbuf->b_ml.ml_line_count; | |
2939 #ifdef FEAT_DIFF | |
2940 loff.fill = 0; | |
2941 } | |
2942 else | |
2943 { | |
2944 botline_topline(&loff); | |
2945 #endif | |
2946 } | |
2947 curwin->w_cursor.lnum = loff.lnum; | |
2948 | |
18931
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patch 8.2.0026: still some /* */ comments
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parents:
18892
diff
changeset
|
2949 // Find the line just above the new topline to get the right line |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2950 // at the bottom of the window. |
7 | 2951 n = 0; |
2952 while (n <= curwin->w_height && loff.lnum >= 1) | |
2953 { | |
2954 topline_back(&loff); | |
2082
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2955 if (loff.height == MAXCOL) |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2956 n = MAXCOL; |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2957 else |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2958 n += loff.height; |
7 | 2959 } |
18931
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parents:
18892
diff
changeset
|
2960 if (loff.lnum < 1) // at begin of file |
7 | 2961 { |
2962 curwin->w_topline = 1; | |
2963 #ifdef FEAT_DIFF | |
2964 max_topfill(); | |
2965 #endif | |
2966 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
2967 } | |
2968 else | |
2969 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2970 // Go two lines forward again. |
7 | 2971 #ifdef FEAT_DIFF |
2972 topline_botline(&loff); | |
2973 #endif | |
2974 botline_forw(&loff); | |
2975 botline_forw(&loff); | |
2976 #ifdef FEAT_DIFF | |
2977 botline_topline(&loff); | |
2978 #endif | |
2979 #ifdef FEAT_FOLDING | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2980 // We're at the wrong end of a fold now. |
7 | 2981 (void)hasFolding(loff.lnum, &loff.lnum, NULL); |
2982 #endif | |
2983 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2984 // Always scroll at least one line. Avoid getting stuck on |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
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parents:
18892
diff
changeset
|
2985 // very long lines. |
7 | 2986 if (loff.lnum >= curwin->w_topline |
2987 #ifdef FEAT_DIFF | |
2988 && (loff.lnum > curwin->w_topline | |
2989 || loff.fill >= curwin->w_topfill) | |
2990 #endif | |
2991 ) | |
2992 { | |
2993 #ifdef FEAT_DIFF | |
18931
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parents:
18892
diff
changeset
|
2994 // First try using the maximum number of filler lines. If |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2995 // that's not enough, backup one line. |
7 | 2996 loff.fill = curwin->w_topfill; |
2997 if (curwin->w_topfill < diff_check_fill(curwin, | |
2998 curwin->w_topline)) | |
2999 max_topfill(); | |
3000 if (curwin->w_topfill == loff.fill) | |
3001 #endif | |
3002 { | |
3003 --curwin->w_topline; | |
3004 #ifdef FEAT_DIFF | |
3005 curwin->w_topfill = 0; | |
3006 #endif | |
3007 } | |
3008 comp_botline(curwin); | |
3009 curwin->w_cursor.lnum = curwin->w_botline - 1; | |
5764 | 3010 curwin->w_valid &= |
3011 ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|VALID_CROW); | |
7 | 3012 } |
3013 else | |
3014 { | |
3015 curwin->w_topline = loff.lnum; | |
3016 #ifdef FEAT_DIFF | |
3017 curwin->w_topfill = loff.fill; | |
3018 check_topfill(curwin, FALSE); | |
3019 #endif | |
3020 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
3021 } | |
3022 } | |
3023 } | |
3024 } | |
3025 #ifdef FEAT_FOLDING | |
3026 foldAdjustCursor(); | |
3027 #endif | |
3028 cursor_correct(); | |
10102
b80ad55d62d8
commit https://github.com/vim/vim/commit/bc54f3f3fed4dc3556df8c46cee6739d211b0eb2
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3029 check_cursor_col(); |
161 | 3030 if (retval == OK) |
3031 beginline(BL_SOL | BL_FIX); | |
7 | 3032 curwin->w_valid &= ~(VALID_WCOL|VALID_WROW|VALID_VIRTCOL); |
3033 | |
14317
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3034 if (retval == OK && dir == FORWARD) |
7 | 3035 { |
14317
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3036 // 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
|
3037 // 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
|
3038 // 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
|
3039 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
|
3040 { |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3041 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
|
3042 if (curwin->w_topline <= old_topline |
7 | 3043 && 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
|
3044 { |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3045 curwin->w_topline = old_topline + 1; |
7 | 3046 #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
|
3047 (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
|
3048 #endif |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3049 } |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3050 } |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3051 #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
|
3052 else if (curwin->w_botline > curbuf->b_ml.ml_line_count) |
7 | 3053 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
3054 #endif | |
3055 } | |
3056 | |
29732
89e1d67814a9
patch 9.0.0206: redraw flags are not named specifically
Bram Moolenaar <Bram@vim.org>
parents:
29708
diff
changeset
|
3057 redraw_later(UPD_VALID); |
7 | 3058 return retval; |
3059 } | |
3060 | |
3061 /* | |
3062 * Decide how much overlap to use for page-up or page-down scrolling. | |
3063 * This is symmetric, so that doing both keeps the same lines displayed. | |
3064 * Three lines are examined: | |
3065 * | |
3066 * before CTRL-F after CTRL-F / before CTRL-B | |
3067 * etc. l1 | |
3068 * l1 last but one line ------------ | |
3069 * l2 last text line l2 top text line | |
3070 * ------------- l3 second text line | |
3071 * l3 etc. | |
3072 */ | |
3073 static void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3074 get_scroll_overlap(lineoff_T *lp, int dir) |
7 | 3075 { |
3076 int h1, h2, h3, h4; | |
3077 int min_height = curwin->w_height - 2; | |
3078 lineoff_T loff0, loff1, loff2; | |
3079 | |
3080 #ifdef FEAT_DIFF | |
3081 if (lp->fill > 0) | |
3082 lp->height = 1; | |
3083 else | |
3084 lp->height = plines_nofill(lp->lnum); | |
3085 #else | |
3086 lp->height = plines(lp->lnum); | |
3087 #endif | |
3088 h1 = lp->height; | |
3089 if (h1 > min_height) | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3090 return; // no overlap |
7 | 3091 |
3092 loff0 = *lp; | |
3093 if (dir > 0) | |
3094 botline_forw(lp); | |
3095 else | |
3096 topline_back(lp); | |
3097 h2 = lp->height; | |
3968 | 3098 if (h2 == MAXCOL || h2 + h1 > min_height) |
7 | 3099 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3100 *lp = loff0; // no overlap |
7 | 3101 return; |
3102 } | |
3103 | |
3104 loff1 = *lp; | |
3105 if (dir > 0) | |
3106 botline_forw(lp); | |
3107 else | |
3108 topline_back(lp); | |
3109 h3 = lp->height; | |
3968 | 3110 if (h3 == MAXCOL || h3 + h2 > min_height) |
7 | 3111 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3112 *lp = loff0; // no overlap |
7 | 3113 return; |
3114 } | |
3115 | |
3116 loff2 = *lp; | |
3117 if (dir > 0) | |
3118 botline_forw(lp); | |
3119 else | |
3120 topline_back(lp); | |
3121 h4 = lp->height; | |
3968 | 3122 if (h4 == MAXCOL || h4 + h3 + h2 > min_height || h3 + h2 + h1 > min_height) |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3123 *lp = loff1; // 1 line overlap |
7 | 3124 else |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3125 *lp = loff2; // 2 lines overlap |
7 | 3126 } |
3127 | |
3128 /* | |
3129 * Scroll 'scroll' lines up or down. | |
3130 */ | |
3131 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3132 halfpage(int flag, linenr_T Prenum) |
7 | 3133 { |
3134 long scrolled = 0; | |
3135 int i; | |
3136 int n; | |
3137 int room; | |
3138 | |
3139 if (Prenum) | |
3140 curwin->w_p_scr = (Prenum > curwin->w_height) ? | |
3141 curwin->w_height : Prenum; | |
3142 n = (curwin->w_p_scr <= curwin->w_height) ? | |
3143 curwin->w_p_scr : curwin->w_height; | |
3144 | |
11258
84f71a8a5f2c
patch 8.0.0515: ml_get errors in silent Ex mode
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
3145 update_topline(); |
7 | 3146 validate_botline(); |
3147 room = curwin->w_empty_rows; | |
3148 #ifdef FEAT_DIFF | |
3149 room += curwin->w_filler_rows; | |
3150 #endif | |
3151 if (flag) | |
3152 { | |
3153 /* | |
3154 * scroll the text up | |
3155 */ | |
3156 while (n > 0 && curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
3157 { | |
3158 #ifdef FEAT_DIFF | |
3159 if (curwin->w_topfill > 0) | |
3160 { | |
3161 i = 1; | |
21321
1421eca61db9
patch 8.2.1211: removed more than dead code
Bram Moolenaar <Bram@vim.org>
parents:
21134
diff
changeset
|
3162 --n; |
7 | 3163 --curwin->w_topfill; |
3164 } | |
3165 else | |
3166 #endif | |
3167 { | |
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
3168 i = PLINES_NOFILL(curwin->w_topline); |
7 | 3169 n -= i; |
3170 if (n < 0 && scrolled > 0) | |
3171 break; | |
3172 #ifdef FEAT_FOLDING | |
3173 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline); | |
3174 #endif | |
3175 ++curwin->w_topline; | |
3176 #ifdef FEAT_DIFF | |
3177 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
3178 #endif | |
3179 | |
3180 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) | |
3181 { | |
3182 ++curwin->w_cursor.lnum; | |
3183 curwin->w_valid &= | |
3184 ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL); | |
3185 } | |
3186 } | |
3187 curwin->w_valid &= ~(VALID_CROW|VALID_WROW); | |
3188 scrolled += i; | |
3189 | |
3190 /* | |
3191 * Correct w_botline for changed w_topline. | |
3192 * Won't work when there are filler lines. | |
3193 */ | |
3194 #ifdef FEAT_DIFF | |
3195 if (curwin->w_p_diff) | |
3196 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
3197 else | |
3198 #endif | |
3199 { | |
3200 room += i; | |
3201 do | |
3202 { | |
3203 i = plines(curwin->w_botline); | |
3204 if (i > room) | |
3205 break; | |
3206 #ifdef FEAT_FOLDING | |
3207 (void)hasFolding(curwin->w_botline, NULL, | |
3208 &curwin->w_botline); | |
3209 #endif | |
3210 ++curwin->w_botline; | |
3211 room -= i; | |
3212 } while (curwin->w_botline <= curbuf->b_ml.ml_line_count); | |
3213 } | |
3214 } | |
3215 | |
3216 /* | |
3217 * When hit bottom of the file: move cursor down. | |
3218 */ | |
3219 if (n > 0) | |
3220 { | |
3221 # ifdef FEAT_FOLDING | |
3222 if (hasAnyFolding(curwin)) | |
3223 { | |
3224 while (--n >= 0 | |
3225 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) | |
3226 { | |
3227 (void)hasFolding(curwin->w_cursor.lnum, NULL, | |
3228 &curwin->w_cursor.lnum); | |
3229 ++curwin->w_cursor.lnum; | |
3230 } | |
3231 } | |
3232 else | |
3233 # endif | |
3234 curwin->w_cursor.lnum += n; | |
3235 check_cursor_lnum(); | |
3236 } | |
3237 } | |
3238 else | |
3239 { | |
3240 /* | |
3241 * scroll the text down | |
3242 */ | |
3243 while (n > 0 && curwin->w_topline > 1) | |
3244 { | |
3245 #ifdef FEAT_DIFF | |
3246 if (curwin->w_topfill < diff_check_fill(curwin, curwin->w_topline)) | |
3247 { | |
3248 i = 1; | |
16042
7952be788a49
patch 8.1.1026: unused condition
Bram Moolenaar <Bram@vim.org>
parents:
15713
diff
changeset
|
3249 --n; |
7 | 3250 ++curwin->w_topfill; |
3251 } | |
3252 else | |
3253 #endif | |
3254 { | |
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
3255 i = PLINES_NOFILL(curwin->w_topline - 1); |
7 | 3256 n -= i; |
3257 if (n < 0 && scrolled > 0) | |
3258 break; | |
3259 --curwin->w_topline; | |
3260 #ifdef FEAT_FOLDING | |
3261 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); | |
3262 #endif | |
3263 #ifdef FEAT_DIFF | |
3264 curwin->w_topfill = 0; | |
3265 #endif | |
3266 } | |
3267 curwin->w_valid &= ~(VALID_CROW|VALID_WROW| | |
3268 VALID_BOTLINE|VALID_BOTLINE_AP); | |
3269 scrolled += i; | |
3270 if (curwin->w_cursor.lnum > 1) | |
3271 { | |
3272 --curwin->w_cursor.lnum; | |
3273 curwin->w_valid &= ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL); | |
3274 } | |
3275 } | |
16042
7952be788a49
patch 8.1.1026: unused condition
Bram Moolenaar <Bram@vim.org>
parents:
15713
diff
changeset
|
3276 |
7 | 3277 /* |
3278 * When hit top of the file: move cursor up. | |
3279 */ | |
3280 if (n > 0) | |
3281 { | |
3282 if (curwin->w_cursor.lnum <= (linenr_T)n) | |
3283 curwin->w_cursor.lnum = 1; | |
3284 else | |
3285 # ifdef FEAT_FOLDING | |
3286 if (hasAnyFolding(curwin)) | |
3287 { | |
3288 while (--n >= 0 && curwin->w_cursor.lnum > 1) | |
3289 { | |
3290 --curwin->w_cursor.lnum; | |
3291 (void)hasFolding(curwin->w_cursor.lnum, | |
3292 &curwin->w_cursor.lnum, NULL); | |
3293 } | |
3294 } | |
3295 else | |
3296 # endif | |
3297 curwin->w_cursor.lnum -= n; | |
3298 } | |
3299 } | |
3300 # ifdef FEAT_FOLDING | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3301 // Move cursor to first line of closed fold. |
7 | 3302 foldAdjustCursor(); |
3303 # endif | |
3304 #ifdef FEAT_DIFF | |
3305 check_topfill(curwin, !flag); | |
3306 #endif | |
3307 cursor_correct(); | |
3308 beginline(BL_SOL | BL_FIX); | |
29732
89e1d67814a9
patch 9.0.0206: redraw flags are not named specifically
Bram Moolenaar <Bram@vim.org>
parents:
29708
diff
changeset
|
3309 redraw_later(UPD_VALID); |
7 | 3310 } |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
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diff
changeset
|
3311 |
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
3312 void |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3313 do_check_cursorbind(void) |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3314 { |
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
2210
diff
changeset
|
3315 linenr_T line = curwin->w_cursor.lnum; |
3415 | 3316 colnr_T col = curwin->w_cursor.col; |
3317 colnr_T coladd = curwin->w_cursor.coladd; | |
3433 | 3318 colnr_T curswant = curwin->w_curswant; |
3319 int set_curswant = curwin->w_set_curswant; | |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3320 win_T *old_curwin = curwin; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3321 buf_T *old_curbuf = curbuf; |
2693 | 3322 int restart_edit_save; |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3323 int old_VIsual_select = VIsual_select; |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
3324 int old_VIsual_active = VIsual_active; |
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
3325 |
1bac28a53fae
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parents:
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diff
changeset
|
3326 /* |
1bac28a53fae
Add the conceal patch from Vince Negri.
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diff
changeset
|
3327 * loop through the cursorbound windows |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3328 */ |
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
2210
diff
changeset
|
3329 VIsual_select = VIsual_active = 0; |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
8643
diff
changeset
|
3330 FOR_ALL_WINDOWS(curwin) |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
3331 { |
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
3332 curbuf = curwin->w_buffer; |
18931
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patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3333 // skip original window and windows with 'noscrollbind' |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3334 if (curwin != old_curwin && curwin->w_p_crb) |
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
3335 { |
1bac28a53fae
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parents:
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diff
changeset
|
3336 # ifdef FEAT_DIFF |
1bac28a53fae
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parents:
2210
diff
changeset
|
3337 if (curwin->w_p_diff) |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10102
diff
changeset
|
3338 curwin->w_cursor.lnum = |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10102
diff
changeset
|
3339 diff_get_corresponding_line(old_curbuf, line); |
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
3340 else |
1bac28a53fae
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parents:
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diff
changeset
|
3341 # endif |
1bac28a53fae
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parents:
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diff
changeset
|
3342 curwin->w_cursor.lnum = line; |
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parents:
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diff
changeset
|
3343 curwin->w_cursor.col = col; |
3415 | 3344 curwin->w_cursor.coladd = coladd; |
3433 | 3345 curwin->w_curswant = curswant; |
3346 curwin->w_set_curswant = set_curswant; | |
2250
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diff
changeset
|
3347 |
18931
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patch 8.2.0026: still some /* */ comments
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parents:
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diff
changeset
|
3348 // Make sure the cursor is in a valid position. Temporarily set |
80b40bd5ec1a
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parents:
18892
diff
changeset
|
3349 // "restart_edit" to allow the cursor to be beyond the EOL. |
2693 | 3350 restart_edit_save = restart_edit; |
3351 restart_edit = TRUE; | |
2250
1bac28a53fae
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diff
changeset
|
3352 check_cursor(); |
29275
281509f1417b
patch 8.2.5155: in diff mode windows may get out of sync
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parents:
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changeset
|
3353 |
281509f1417b
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parents:
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changeset
|
3354 // Avoid a scroll here for the cursor position, 'scrollbind' is |
281509f1417b
patch 8.2.5155: in diff mode windows may get out of sync
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changeset
|
3355 // more important. |
281509f1417b
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diff
changeset
|
3356 if (!curwin->w_p_scb) |
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|
3357 validate_cursor(); |
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3358 |
2693 | 3359 restart_edit = restart_edit_save; |
18931
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changeset
|
3360 // Correct cursor for multi-byte character. |
2250
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changeset
|
3361 if (has_mbyte) |
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changeset
|
3362 mb_adjust_cursor(); |
29732
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patch 9.0.0206: redraw flags are not named specifically
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changeset
|
3363 redraw_later(UPD_VALID); |
2250
1bac28a53fae
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changeset
|
3364 |
18931
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parents:
18892
diff
changeset
|
3365 // Only scroll when 'scrollbind' hasn't done this. |
2688 | 3366 if (!curwin->w_p_scb) |
3367 update_topline(); | |
2250
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diff
changeset
|
3368 curwin->w_redr_status = TRUE; |
1bac28a53fae
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diff
changeset
|
3369 } |
1bac28a53fae
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|
3370 } |
1bac28a53fae
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diff
changeset
|
3371 |
1bac28a53fae
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changeset
|
3372 /* |
1bac28a53fae
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parents:
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diff
changeset
|
3373 * reset current-window |
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
3374 */ |
1bac28a53fae
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parents:
2210
diff
changeset
|
3375 VIsual_select = old_VIsual_select; |
1bac28a53fae
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diff
changeset
|
3376 VIsual_active = old_VIsual_active; |
1bac28a53fae
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diff
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|
3377 curwin = old_curwin; |
1bac28a53fae
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parents:
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diff
changeset
|
3378 curbuf = old_curbuf; |
1bac28a53fae
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diff
changeset
|
3379 } |