Mercurial > vim
annotate src/move.c @ 31329:5c83140aafc9 v9.0.0998
patch 9.0.0998: "gk" may reset skipcol when not needed
Commit: https://github.com/vim/vim/commit/1b73edd9ee40aec400f3611f59823cec5fd1c489
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Dec 3 11:51:54 2022 +0000
patch 9.0.0998: "gk" may reset skipcol when not needed
Problem: "gk" may reset skipcol when not needed.
Solution: Only reset skipcol if the cursor column is less.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 03 Dec 2022 13:00:04 +0100 |
parents | 243c35fad9cb |
children | bfbcc148da58 |
rev | line source |
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4aead6a9b7a9
commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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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 /* |
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205 * Calculates how much overlap the smoothscroll marker "<<<" overlaps with |
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206 * buffer text for curwin. |
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207 * Parameter "extra2" should be the padding on the 2nd line, not the first |
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208 * line. |
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209 * Returns the number of columns of overlap with buffer text, excluding the |
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210 * extra padding on the ledge. |
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211 */ |
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212 static int |
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213 smoothscroll_marker_overlap(int extra2) |
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214 { |
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215 #if defined(FEAT_LINEBREAK) |
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216 // We don't draw the <<< marker when in showbreak mode, thus no need to |
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217 // account for it. See wlv_screen_line(). |
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218 if (*get_showbreak_value(curwin) != NUL) |
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219 return 0; |
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220 #endif |
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221 return extra2 > 3 ? 0 : 3 - extra2; |
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222 } |
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223 |
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224 /* |
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225 * Set curwin->s_skipcol to zero and redraw later if needed. |
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226 */ |
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227 static void |
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228 reset_skipcol(void) |
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229 { |
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230 if (curwin->w_skipcol != 0) |
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231 { |
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232 curwin->w_skipcol = 0; |
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233 |
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234 // Should use the least expensive way that displays all that changed. |
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235 // UPD_NOT_VALID is too expensive, UPD_REDRAW_TOP does not redraw |
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236 // enough when the top line gets another screen line. |
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237 redraw_later(UPD_SOME_VALID); |
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238 } |
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239 } |
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240 |
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241 /* |
7 | 242 * Update curwin->w_topline and redraw if necessary. |
243 * Used to update the screen before printing a message. | |
244 */ | |
245 void | |
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246 update_topline_redraw(void) |
7 | 247 { |
248 update_topline(); | |
249 if (must_redraw) | |
250 update_screen(0); | |
251 } | |
252 | |
253 /* | |
254 * Update curwin->w_topline to move the cursor onto the screen. | |
255 */ | |
256 void | |
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257 update_topline(void) |
7 | 258 { |
259 long line_count; | |
260 int halfheight; | |
261 int n; | |
262 linenr_T old_topline; | |
263 #ifdef FEAT_DIFF | |
264 int old_topfill; | |
265 #endif | |
266 #ifdef FEAT_FOLDING | |
267 linenr_T lnum; | |
268 #endif | |
269 int check_topline = FALSE; | |
270 int check_botline = FALSE; | |
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271 long *so_ptr = curwin->w_p_so >= 0 ? &curwin->w_p_so : &p_so; |
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272 int save_so = *so_ptr; |
7 | 273 |
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274 // Cursor is updated instead when this is TRUE for 'splitkeep'. |
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275 if (skip_update_topline) |
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276 return; |
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277 |
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278 // If there is no valid screen and when the window height is zero just use |
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279 // the cursor line. |
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280 if (!screen_valid(TRUE) || curwin->w_height == 0) |
6247 | 281 { |
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282 check_cursor_lnum(); |
6247 | 283 curwin->w_topline = curwin->w_cursor.lnum; |
284 curwin->w_botline = curwin->w_topline; | |
285 curwin->w_scbind_pos = 1; | |
286 return; | |
287 } | |
288 | |
7 | 289 check_cursor_moved(curwin); |
290 if (curwin->w_valid & VALID_TOPLINE) | |
291 return; | |
292 | |
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293 // When dragging with the mouse, don't scroll that quickly |
1121 | 294 if (mouse_dragging > 0) |
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295 *so_ptr = mouse_dragging - 1; |
7 | 296 |
297 old_topline = curwin->w_topline; | |
298 #ifdef FEAT_DIFF | |
299 old_topfill = curwin->w_topfill; | |
300 #endif | |
301 | |
302 /* | |
303 * If the buffer is empty, always set topline to 1. | |
304 */ | |
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305 if (BUFEMPTY()) // special case - file is empty |
7 | 306 { |
307 if (curwin->w_topline != 1) | |
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308 redraw_later(UPD_NOT_VALID); |
7 | 309 curwin->w_topline = 1; |
310 curwin->w_botline = 2; | |
311 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; | |
312 curwin->w_scbind_pos = 1; | |
313 } | |
314 | |
315 /* | |
316 * If the cursor is above or near the top of the window, scroll the window | |
317 * to show the line the cursor is in, with 'scrolloff' context. | |
318 */ | |
319 else | |
320 { | |
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321 if (curwin->w_topline > 1 || curwin->w_skipcol > 0) |
7 | 322 { |
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323 // If the cursor is above topline, scrolling is always needed. |
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324 // If the cursor is far below topline and there is no folding, |
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325 // scrolling down is never needed. |
7 | 326 if (curwin->w_cursor.lnum < curwin->w_topline) |
327 check_topline = TRUE; | |
328 else if (check_top_offset()) | |
329 check_topline = TRUE; | |
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330 else if (curwin->w_cursor.lnum == curwin->w_topline) |
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331 { |
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332 colnr_T vcol; |
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333 |
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334 // Check that the cursor position is visible. Add columns for |
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335 // the smoothscroll marker "<<<" displayed in the top-left if |
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336 // needed. |
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337 getvvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); |
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338 int smoothscroll_overlap = smoothscroll_marker_overlap( |
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339 curwin_col_off() - curwin_col_off2()); |
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340 if (curwin->w_skipcol + smoothscroll_overlap > vcol) |
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341 check_topline = TRUE; |
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342 } |
7 | 343 } |
344 #ifdef FEAT_DIFF | |
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345 // Check if there are more filler lines than allowed. |
7 | 346 if (!check_topline && curwin->w_topfill > diff_check_fill(curwin, |
347 curwin->w_topline)) | |
348 check_topline = TRUE; | |
349 #endif | |
350 | |
351 if (check_topline) | |
352 { | |
353 halfheight = curwin->w_height / 2 - 1; | |
354 if (halfheight < 2) | |
355 halfheight = 2; | |
356 | |
357 #ifdef FEAT_FOLDING | |
358 if (hasAnyFolding(curwin)) | |
359 { | |
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360 // Count the number of logical lines between the cursor and |
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361 // topline + scrolloff (approximation of how much will be |
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362 // scrolled). |
7 | 363 n = 0; |
364 for (lnum = curwin->w_cursor.lnum; | |
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365 lnum < curwin->w_topline + *so_ptr; ++lnum) |
7 | 366 { |
367 ++n; | |
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368 // stop at end of file or when we know we are far off |
7 | 369 if (lnum >= curbuf->b_ml.ml_line_count || n >= halfheight) |
370 break; | |
371 (void)hasFolding(lnum, NULL, &lnum); | |
372 } | |
373 } | |
374 else | |
375 #endif | |
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376 n = curwin->w_topline + *so_ptr - curwin->w_cursor.lnum; |
7 | 377 |
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378 // If we weren't very close to begin with, we scroll to put the |
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379 // cursor in the middle of the window. Otherwise put the cursor |
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380 // near the top of the window. |
7 | 381 if (n >= halfheight) |
382 scroll_cursor_halfway(FALSE); | |
383 else | |
384 { | |
532 | 385 scroll_cursor_top(scrolljump_value(), FALSE); |
7 | 386 check_botline = TRUE; |
387 } | |
388 } | |
389 | |
390 else | |
391 { | |
392 #ifdef FEAT_FOLDING | |
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393 // Make sure topline is the first line of a fold. |
7 | 394 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
395 #endif | |
396 check_botline = TRUE; | |
397 } | |
398 } | |
399 | |
400 /* | |
401 * If the cursor is below the bottom of the window, scroll the window | |
402 * to put the cursor on the window. | |
403 * When w_botline is invalid, recompute it first, to avoid a redraw later. | |
404 * If w_botline was approximated, we might need a redraw later in a few | |
405 * cases, but we don't want to spend (a lot of) time recomputing w_botline | |
406 * for every small change. | |
407 */ | |
408 if (check_botline) | |
409 { | |
410 if (!(curwin->w_valid & VALID_BOTLINE_AP)) | |
411 validate_botline(); | |
412 | |
413 if (curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
414 { | |
1744 | 415 if (curwin->w_cursor.lnum < curwin->w_botline) |
416 { | |
417 if (((long)curwin->w_cursor.lnum | |
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418 >= (long)curwin->w_botline - *so_ptr |
7 | 419 #ifdef FEAT_FOLDING |
420 || hasAnyFolding(curwin) | |
421 #endif | |
422 )) | |
1744 | 423 { |
7 | 424 lineoff_T loff; |
425 | |
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426 // Cursor is (a few lines) above botline, check if there are |
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427 // 'scrolloff' window lines below the cursor. If not, need to |
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428 // scroll. |
7 | 429 n = curwin->w_empty_rows; |
430 loff.lnum = curwin->w_cursor.lnum; | |
431 #ifdef FEAT_FOLDING | |
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432 // In a fold go to its last line. |
7 | 433 (void)hasFolding(loff.lnum, NULL, &loff.lnum); |
434 #endif | |
435 #ifdef FEAT_DIFF | |
436 loff.fill = 0; | |
437 n += curwin->w_filler_rows; | |
438 #endif | |
439 loff.height = 0; | |
440 while (loff.lnum < curwin->w_botline | |
441 #ifdef FEAT_DIFF | |
442 && (loff.lnum + 1 < curwin->w_botline || loff.fill == 0) | |
443 #endif | |
444 ) | |
445 { | |
446 n += loff.height; | |
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447 if (n >= *so_ptr) |
7 | 448 break; |
449 botline_forw(&loff); | |
450 } | |
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451 if (n >= *so_ptr) |
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452 // sufficient context, no need to scroll |
7 | 453 check_botline = FALSE; |
1744 | 454 } |
455 else | |
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456 // sufficient context, no need to scroll |
1744 | 457 check_botline = FALSE; |
7 | 458 } |
459 if (check_botline) | |
460 { | |
461 #ifdef FEAT_FOLDING | |
462 if (hasAnyFolding(curwin)) | |
463 { | |
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464 // Count the number of logical lines between the cursor and |
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465 // botline - scrolloff (approximation of how much will be |
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466 // scrolled). |
7 | 467 line_count = 0; |
468 for (lnum = curwin->w_cursor.lnum; | |
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469 lnum >= curwin->w_botline - *so_ptr; --lnum) |
7 | 470 { |
471 ++line_count; | |
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472 // stop at end of file or when we know we are far off |
7 | 473 if (lnum <= 0 || line_count > curwin->w_height + 1) |
474 break; | |
475 (void)hasFolding(lnum, &lnum, NULL); | |
476 } | |
477 } | |
478 else | |
479 #endif | |
480 line_count = curwin->w_cursor.lnum - curwin->w_botline | |
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481 + 1 + *so_ptr; |
7 | 482 if (line_count <= curwin->w_height + 1) |
532 | 483 scroll_cursor_bot(scrolljump_value(), FALSE); |
7 | 484 else |
485 scroll_cursor_halfway(FALSE); | |
486 } | |
487 } | |
488 } | |
489 curwin->w_valid |= VALID_TOPLINE; | |
490 | |
491 /* | |
492 * Need to redraw when topline changed. | |
493 */ | |
494 if (curwin->w_topline != old_topline | |
495 #ifdef FEAT_DIFF | |
496 || curwin->w_topfill != old_topfill | |
497 #endif | |
498 ) | |
499 { | |
3318 | 500 dollar_vcol = -1; |
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501 redraw_later(UPD_VALID); |
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502 reset_skipcol(); |
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503 |
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504 // May need to set w_skipcol when cursor in w_topline. |
7 | 505 if (curwin->w_cursor.lnum == curwin->w_topline) |
506 validate_cursor(); | |
507 } | |
508 | |
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509 *so_ptr = save_so; |
7 | 510 } |
511 | |
512 /* | |
532 | 513 * Return the scrolljump value to use for the current window. |
514 * When 'scrolljump' is positive use it as-is. | |
515 * When 'scrolljump' is negative use it as a percentage of the window height. | |
516 */ | |
517 static int | |
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518 scrolljump_value(void) |
532 | 519 { |
520 if (p_sj >= 0) | |
521 return (int)p_sj; | |
522 return (curwin->w_height * -p_sj) / 100; | |
523 } | |
524 | |
525 /* | |
7 | 526 * Return TRUE when there are not 'scrolloff' lines above the cursor for the |
527 * current window. | |
528 */ | |
529 static int | |
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530 check_top_offset(void) |
7 | 531 { |
532 lineoff_T loff; | |
533 int n; | |
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534 long so = get_scrolloff_value(); |
7 | 535 |
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536 if (curwin->w_cursor.lnum < curwin->w_topline + so |
7 | 537 #ifdef FEAT_FOLDING |
538 || hasAnyFolding(curwin) | |
539 #endif | |
540 ) | |
541 { | |
542 loff.lnum = curwin->w_cursor.lnum; | |
543 #ifdef FEAT_DIFF | |
544 loff.fill = 0; | |
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545 n = curwin->w_topfill; // always have this context |
7 | 546 #else |
547 n = 0; | |
548 #endif | |
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549 // Count the visible screen lines above the cursor line. |
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550 while (n < so) |
7 | 551 { |
552 topline_back(&loff); | |
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553 // Stop when included a line above the window. |
7 | 554 if (loff.lnum < curwin->w_topline |
555 #ifdef FEAT_DIFF | |
556 || (loff.lnum == curwin->w_topline && loff.fill > 0) | |
557 #endif | |
558 ) | |
559 break; | |
560 n += loff.height; | |
561 } | |
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562 if (n < so) |
7 | 563 return TRUE; |
564 } | |
565 return FALSE; | |
566 } | |
567 | |
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568 /* |
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569 * Update w_curswant. |
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570 */ |
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571 void |
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572 update_curswant_force(void) |
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573 { |
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574 validate_virtcol(); |
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575 curwin->w_curswant = curwin->w_virtcol |
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576 #ifdef FEAT_PROP_POPUP |
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577 - curwin->w_virtcol_first_char |
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578 #endif |
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579 ; |
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580 curwin->w_set_curswant = FALSE; |
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581 } |
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582 |
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583 /* |
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584 * Update w_curswant if w_set_curswant is set. |
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585 */ |
7 | 586 void |
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587 update_curswant(void) |
7 | 588 { |
589 if (curwin->w_set_curswant) | |
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590 update_curswant_force(); |
7 | 591 } |
592 | |
593 /* | |
594 * Check if the cursor has moved. Set the w_valid flag accordingly. | |
595 */ | |
596 void | |
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597 check_cursor_moved(win_T *wp) |
7 | 598 { |
599 if (wp->w_cursor.lnum != wp->w_valid_cursor.lnum) | |
600 { | |
601 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
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602 |VALID_CHEIGHT|VALID_CROW|VALID_TOPLINE |
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603 |VALID_BOTLINE|VALID_BOTLINE_AP); |
7 | 604 wp->w_valid_cursor = wp->w_cursor; |
605 wp->w_valid_leftcol = wp->w_leftcol; | |
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606 wp->w_valid_skipcol = wp->w_skipcol; |
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607 } |
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608 else if (wp->w_skipcol != wp->w_valid_skipcol) |
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609 { |
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610 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL |
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611 |VALID_CHEIGHT|VALID_CROW |
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612 |VALID_BOTLINE|VALID_BOTLINE_AP); |
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613 wp->w_valid_cursor = wp->w_cursor; |
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614 wp->w_valid_leftcol = wp->w_leftcol; |
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615 wp->w_valid_skipcol = wp->w_skipcol; |
7 | 616 } |
617 else if (wp->w_cursor.col != wp->w_valid_cursor.col | |
618 || wp->w_leftcol != wp->w_valid_leftcol | |
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619 || wp->w_cursor.coladd != wp->w_valid_cursor.coladd) |
7 | 620 { |
621 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL); | |
622 wp->w_valid_cursor.col = wp->w_cursor.col; | |
623 wp->w_valid_leftcol = wp->w_leftcol; | |
624 wp->w_valid_cursor.coladd = wp->w_cursor.coladd; | |
625 } | |
626 } | |
627 | |
628 /* | |
629 * Call this function when some window settings have changed, which require | |
630 * the cursor position, botline and topline to be recomputed and the window to | |
631 * be redrawn. E.g, when changing the 'wrap' option or folding. | |
632 */ | |
633 void | |
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634 changed_window_setting(void) |
7 | 635 { |
636 changed_window_setting_win(curwin); | |
637 } | |
638 | |
639 void | |
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640 changed_window_setting_win(win_T *wp) |
7 | 641 { |
642 wp->w_lines_valid = 0; | |
643 changed_line_abv_curs_win(wp); | |
644 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP|VALID_TOPLINE); | |
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645 redraw_win_later(wp, UPD_NOT_VALID); |
7 | 646 } |
647 | |
648 /* | |
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649 * Call changed_window_setting_win() for every window containing "buf". |
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650 */ |
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651 void |
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652 changed_window_setting_buf(buf_T *buf) |
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653 { |
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654 tabpage_T *tp; |
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655 win_T *wp; |
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656 |
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657 FOR_ALL_TAB_WINDOWS(tp, wp) |
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658 if (wp->w_buffer == buf) |
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659 changed_window_setting_win(wp); |
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660 } |
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661 |
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662 /* |
7 | 663 * Set wp->w_topline to a certain number. |
664 */ | |
665 void | |
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666 set_topline(win_T *wp, linenr_T lnum) |
7 | 667 { |
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668 #ifdef FEAT_DIFF |
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669 linenr_T prev_topline = wp->w_topline; |
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670 #endif |
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671 |
7 | 672 #ifdef FEAT_FOLDING |
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673 // go to first of folded lines |
7 | 674 (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL); |
675 #endif | |
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676 // Approximate the value of w_botline |
7 | 677 wp->w_botline += lnum - wp->w_topline; |
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678 if (wp->w_botline > wp->w_buffer->b_ml.ml_line_count + 1) |
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679 wp->w_botline = wp->w_buffer->b_ml.ml_line_count + 1; |
7 | 680 wp->w_topline = lnum; |
1744 | 681 wp->w_topline_was_set = TRUE; |
7 | 682 #ifdef FEAT_DIFF |
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683 if (lnum != prev_topline) |
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684 // Keep the filler lines when the topline didn't change. |
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685 wp->w_topfill = 0; |
7 | 686 #endif |
687 wp->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_TOPLINE); | |
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688 // Don't set VALID_TOPLINE here, 'scrolloff' needs to be checked. |
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689 redraw_later(UPD_VALID); |
7 | 690 } |
691 | |
692 /* | |
693 * Call this function when the length of the cursor line (in screen | |
694 * characters) has changed, and the change is before the cursor. | |
695 * Need to take care of w_botline separately! | |
696 */ | |
697 void | |
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698 changed_cline_bef_curs(void) |
7 | 699 { |
700 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
701 |VALID_CHEIGHT|VALID_TOPLINE); | |
702 } | |
703 | |
704 void | |
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705 changed_cline_bef_curs_win(win_T *wp) |
7 | 706 { |
707 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
708 |VALID_CHEIGHT|VALID_TOPLINE); | |
709 } | |
710 | |
711 /* | |
712 * Call this function when the length of a line (in screen characters) above | |
713 * the cursor have changed. | |
714 * Need to take care of w_botline separately! | |
715 */ | |
716 void | |
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717 changed_line_abv_curs(void) |
7 | 718 { |
719 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW | |
720 |VALID_CHEIGHT|VALID_TOPLINE); | |
721 } | |
722 | |
723 void | |
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724 changed_line_abv_curs_win(win_T *wp) |
7 | 725 { |
726 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW | |
727 |VALID_CHEIGHT|VALID_TOPLINE); | |
728 } | |
729 | |
730 /* | |
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731 * Display of line has changed for "buf", invalidate cursor position and |
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732 * w_botline. |
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733 */ |
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734 void |
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735 changed_line_display_buf(buf_T *buf) |
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736 { |
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737 win_T *wp; |
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738 |
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739 FOR_ALL_WINDOWS(wp) |
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740 if (wp->w_buffer == buf) |
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741 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL |
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742 |VALID_CROW|VALID_CHEIGHT |
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743 |VALID_TOPLINE|VALID_BOTLINE|VALID_BOTLINE_AP); |
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744 } |
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745 |
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746 /* |
7 | 747 * Make sure the value of curwin->w_botline is valid. |
748 */ | |
749 void | |
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750 validate_botline(void) |
7 | 751 { |
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752 validate_botline_win(curwin); |
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753 } |
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754 |
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755 /* |
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756 * Make sure the value of wp->w_botline is valid. |
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757 */ |
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758 void |
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759 validate_botline_win(win_T *wp) |
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760 { |
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761 if (!(wp->w_valid & VALID_BOTLINE)) |
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762 comp_botline(wp); |
7 | 763 } |
764 | |
765 /* | |
766 * Mark curwin->w_botline as invalid (because of some change in the buffer). | |
767 */ | |
768 void | |
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769 invalidate_botline(void) |
7 | 770 { |
771 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
772 } | |
773 | |
774 void | |
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775 invalidate_botline_win(win_T *wp) |
7 | 776 { |
777 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
778 } | |
779 | |
780 void | |
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781 approximate_botline_win( |
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782 win_T *wp) |
7 | 783 { |
784 wp->w_valid &= ~VALID_BOTLINE; | |
785 } | |
786 | |
787 /* | |
788 * Return TRUE if curwin->w_wrow and curwin->w_wcol are valid. | |
789 */ | |
790 int | |
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791 cursor_valid(void) |
7 | 792 { |
793 check_cursor_moved(curwin); | |
794 return ((curwin->w_valid & (VALID_WROW|VALID_WCOL)) == | |
795 (VALID_WROW|VALID_WCOL)); | |
796 } | |
797 | |
798 /* | |
799 * Validate cursor position. Makes sure w_wrow and w_wcol are valid. | |
800 * w_topline must be valid, you may need to call update_topline() first! | |
801 */ | |
802 void | |
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803 validate_cursor(void) |
7 | 804 { |
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805 check_cursor_lnum(); |
7 | 806 check_cursor_moved(curwin); |
807 if ((curwin->w_valid & (VALID_WCOL|VALID_WROW)) != (VALID_WCOL|VALID_WROW)) | |
808 curs_columns(TRUE); | |
809 } | |
810 | |
811 #if defined(FEAT_GUI) || defined(PROTO) | |
812 /* | |
813 * validate w_cline_row. | |
814 */ | |
815 void | |
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816 validate_cline_row(void) |
7 | 817 { |
818 /* | |
819 * First make sure that w_topline is valid (after moving the cursor). | |
820 */ | |
821 update_topline(); | |
822 check_cursor_moved(curwin); | |
823 if (!(curwin->w_valid & VALID_CROW)) | |
6441 | 824 curs_rows(curwin); |
7 | 825 } |
826 #endif | |
827 | |
828 /* | |
829 * Compute wp->w_cline_row and wp->w_cline_height, based on the current value | |
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830 * of wp->w_topline. |
7 | 831 */ |
832 static void | |
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833 curs_rows(win_T *wp) |
7 | 834 { |
835 linenr_T lnum; | |
836 int i; | |
837 int all_invalid; | |
838 int valid; | |
839 #ifdef FEAT_FOLDING | |
840 long fold_count; | |
841 #endif | |
842 | |
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843 // Check if wp->w_lines[].wl_size is invalid |
7 | 844 all_invalid = (!redrawing() |
845 || wp->w_lines_valid == 0 | |
846 || wp->w_lines[0].wl_lnum > wp->w_topline); | |
847 i = 0; | |
848 wp->w_cline_row = 0; | |
849 for (lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i) | |
850 { | |
851 valid = FALSE; | |
852 if (!all_invalid && i < wp->w_lines_valid) | |
853 { | |
854 if (wp->w_lines[i].wl_lnum < lnum || !wp->w_lines[i].wl_valid) | |
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855 continue; // skip changed or deleted lines |
7 | 856 if (wp->w_lines[i].wl_lnum == lnum) |
857 { | |
858 #ifdef FEAT_FOLDING | |
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859 // Check for newly inserted lines below this row, in which |
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860 // case we need to check for folded lines. |
7 | 861 if (!wp->w_buffer->b_mod_set |
862 || wp->w_lines[i].wl_lastlnum < wp->w_cursor.lnum | |
863 || wp->w_buffer->b_mod_top | |
864 > wp->w_lines[i].wl_lastlnum + 1) | |
865 #endif | |
866 valid = TRUE; | |
867 } | |
868 else if (wp->w_lines[i].wl_lnum > lnum) | |
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869 --i; // hold at inserted lines |
7 | 870 } |
871 if (valid | |
872 #ifdef FEAT_DIFF | |
873 && (lnum != wp->w_topline || !wp->w_p_diff) | |
874 #endif | |
875 ) | |
876 { | |
877 #ifdef FEAT_FOLDING | |
878 lnum = wp->w_lines[i].wl_lastlnum + 1; | |
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879 // Cursor inside folded lines, don't count this row |
7 | 880 if (lnum > wp->w_cursor.lnum) |
881 break; | |
882 #else | |
883 ++lnum; | |
884 #endif | |
885 wp->w_cline_row += wp->w_lines[i].wl_size; | |
886 } | |
887 else | |
888 { | |
889 #ifdef FEAT_FOLDING | |
890 fold_count = foldedCount(wp, lnum, NULL); | |
891 if (fold_count) | |
892 { | |
893 lnum += fold_count; | |
894 if (lnum > wp->w_cursor.lnum) | |
895 break; | |
896 ++wp->w_cline_row; | |
897 } | |
898 else | |
899 #endif | |
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900 { |
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901 wp->w_cline_row += plines_correct_topline(wp, lnum); |
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902 ++lnum; |
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903 } |
7 | 904 } |
905 } | |
906 | |
907 check_cursor_moved(wp); | |
908 if (!(wp->w_valid & VALID_CHEIGHT)) | |
909 { | |
910 if (all_invalid | |
911 || i == wp->w_lines_valid | |
912 || (i < wp->w_lines_valid | |
913 && (!wp->w_lines[i].wl_valid | |
914 || wp->w_lines[i].wl_lnum != wp->w_cursor.lnum))) | |
915 { | |
916 #ifdef FEAT_DIFF | |
917 if (wp->w_cursor.lnum == wp->w_topline) | |
918 wp->w_cline_height = plines_win_nofill(wp, wp->w_cursor.lnum, | |
919 TRUE) + wp->w_topfill; | |
920 else | |
921 #endif | |
922 wp->w_cline_height = plines_win(wp, wp->w_cursor.lnum, TRUE); | |
923 #ifdef FEAT_FOLDING | |
924 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum, | |
925 NULL, NULL, TRUE, NULL); | |
926 #endif | |
927 } | |
928 else if (i > wp->w_lines_valid) | |
929 { | |
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930 // a line that is too long to fit on the last screen line |
7 | 931 wp->w_cline_height = 0; |
932 #ifdef FEAT_FOLDING | |
933 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum, | |
934 NULL, NULL, TRUE, NULL); | |
935 #endif | |
936 } | |
937 else | |
938 { | |
939 wp->w_cline_height = wp->w_lines[i].wl_size; | |
940 #ifdef FEAT_FOLDING | |
941 wp->w_cline_folded = wp->w_lines[i].wl_folded; | |
942 #endif | |
943 } | |
944 } | |
945 | |
5764 | 946 redraw_for_cursorline(curwin); |
7 | 947 wp->w_valid |= VALID_CROW|VALID_CHEIGHT; |
948 } | |
949 | |
950 /* | |
951 * Validate curwin->w_virtcol only. | |
952 */ | |
953 void | |
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954 validate_virtcol(void) |
7 | 955 { |
956 validate_virtcol_win(curwin); | |
957 } | |
958 | |
959 /* | |
960 * Validate wp->w_virtcol only. | |
961 */ | |
962 void | |
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963 validate_virtcol_win(win_T *wp) |
7 | 964 { |
965 check_cursor_moved(wp); | |
966 if (!(wp->w_valid & VALID_VIRTCOL)) | |
967 { | |
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968 #ifdef FEAT_PROP_POPUP |
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969 wp->w_virtcol_first_char = 0; |
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970 #endif |
7 | 971 getvvcol(wp, &wp->w_cursor, NULL, &(wp->w_virtcol), NULL); |
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972 #ifdef FEAT_SYN_HL |
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973 redraw_for_cursorcolumn(wp); |
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974 #endif |
7 | 975 wp->w_valid |= VALID_VIRTCOL; |
976 } | |
977 } | |
978 | |
979 /* | |
980 * Validate curwin->w_cline_height only. | |
981 */ | |
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982 void |
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983 validate_cheight(void) |
7 | 984 { |
985 check_cursor_moved(curwin); | |
986 if (!(curwin->w_valid & VALID_CHEIGHT)) | |
987 { | |
988 #ifdef FEAT_DIFF | |
989 if (curwin->w_cursor.lnum == curwin->w_topline) | |
990 curwin->w_cline_height = plines_nofill(curwin->w_cursor.lnum) | |
991 + curwin->w_topfill; | |
992 else | |
993 #endif | |
994 curwin->w_cline_height = plines(curwin->w_cursor.lnum); | |
995 #ifdef FEAT_FOLDING | |
996 curwin->w_cline_folded = hasFolding(curwin->w_cursor.lnum, NULL, NULL); | |
997 #endif | |
998 curwin->w_valid |= VALID_CHEIGHT; | |
999 } | |
1000 } | |
1001 | |
1002 /* | |
1668 | 1003 * Validate w_wcol and w_virtcol only. |
7 | 1004 */ |
1005 void | |
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1006 validate_cursor_col(void) |
7 | 1007 { |
1008 colnr_T off; | |
1009 colnr_T col; | |
2070
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1010 int width; |
7 | 1011 |
1012 validate_virtcol(); | |
1013 if (!(curwin->w_valid & VALID_WCOL)) | |
1014 { | |
1015 col = curwin->w_virtcol; | |
1016 off = curwin_col_off(); | |
1017 col += off; | |
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1018 width = curwin->w_width - off + curwin_col_off2(); |
7 | 1019 |
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1020 // long line wrapping, adjust curwin->w_wrow |
1668 | 1021 if (curwin->w_p_wrap |
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1022 && col >= (colnr_T)curwin->w_width |
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1023 && width > 0) |
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1024 // use same formula as what is used in curs_columns() |
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1025 col -= ((col - curwin->w_width) / width + 1) * width; |
1668 | 1026 if (col > (int)curwin->w_leftcol) |
1027 col -= curwin->w_leftcol; | |
1028 else | |
1029 col = 0; | |
7 | 1030 curwin->w_wcol = col; |
1668 | 1031 |
7 | 1032 curwin->w_valid |= VALID_WCOL; |
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1033 #ifdef FEAT_PROP_POPUP |
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1034 curwin->w_flags &= ~WFLAG_WCOL_OFF_ADDED; |
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1035 #endif |
7 | 1036 } |
1037 } | |
1038 | |
1039 /* | |
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1040 * Compute offset of a window, occupied by absolute or relative line number, |
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1041 * fold column and sign column (these don't move when scrolling horizontally). |
7 | 1042 */ |
1043 int | |
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1044 win_col_off(win_T *wp) |
7 | 1045 { |
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1046 return (((wp->w_p_nu || wp->w_p_rnu) ? number_width(wp) + 1 : 0) |
7 | 1047 + (cmdwin_type == 0 || wp != curwin ? 0 : 1) |
1048 #ifdef FEAT_FOLDING | |
1049 + wp->w_p_fdc | |
1050 #endif | |
1051 #ifdef FEAT_SIGNS | |
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1052 + (signcolumn_on(wp) ? 2 : 0) |
7 | 1053 #endif |
1054 ); | |
1055 } | |
1056 | |
1057 int | |
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1058 curwin_col_off(void) |
7 | 1059 { |
1060 return win_col_off(curwin); | |
1061 } | |
1062 | |
1063 /* | |
1064 * Return the difference in column offset for the second screen line of a | |
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1065 * wrapped line. It's positive if 'number' or 'relativenumber' is on and 'n' |
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1066 * is in 'cpoptions'. |
7 | 1067 */ |
1068 int | |
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1069 win_col_off2(win_T *wp) |
7 | 1070 { |
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1071 if ((wp->w_p_nu || wp->w_p_rnu) && vim_strchr(p_cpo, CPO_NUMCOL) != NULL) |
13 | 1072 return number_width(wp) + 1; |
7 | 1073 return 0; |
1074 } | |
1075 | |
1076 int | |
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1077 curwin_col_off2(void) |
7 | 1078 { |
1079 return win_col_off2(curwin); | |
1080 } | |
1081 | |
1082 /* | |
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1083 * Compute curwin->w_wcol and curwin->w_virtcol. |
7 | 1084 * Also updates curwin->w_wrow and curwin->w_cline_row. |
1085 * Also updates curwin->w_leftcol. | |
1086 */ | |
1087 void | |
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1088 curs_columns( |
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1089 int may_scroll) // when TRUE, may scroll horizontally |
7 | 1090 { |
1091 int diff; | |
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1092 int extra; // offset for first screen line |
7 | 1093 int off_left, off_right; |
1094 int n; | |
1095 int p_lines; | |
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1096 int width1; // text width for first screen line |
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1097 int width2 = 0; // text width for second and later screen line |
7 | 1098 int new_leftcol; |
1099 colnr_T startcol; | |
1100 colnr_T endcol; | |
1101 colnr_T prev_skipcol; | |
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1102 long so = get_scrolloff_value(); |
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1103 long siso = get_sidescrolloff_value(); |
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1104 int did_sub_skipcol = FALSE; |
7 | 1105 |
1106 /* | |
1107 * First make sure that w_topline is valid (after moving the cursor). | |
1108 */ | |
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1109 update_topline(); |
7 | 1110 |
1111 /* | |
1112 * Next make sure that w_cline_row is valid. | |
1113 */ | |
1114 if (!(curwin->w_valid & VALID_CROW)) | |
6441 | 1115 curs_rows(curwin); |
7 | 1116 |
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1117 #ifdef FEAT_PROP_POPUP |
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1118 // will be set by getvvcol() but not reset |
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1119 curwin->w_virtcol_first_char = 0; |
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1120 #endif |
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1121 |
7 | 1122 /* |
1123 * Compute the number of virtual columns. | |
1124 */ | |
1125 #ifdef FEAT_FOLDING | |
1126 if (curwin->w_cline_folded) | |
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1127 // In a folded line the cursor is always in the first column |
7 | 1128 startcol = curwin->w_virtcol = endcol = curwin->w_leftcol; |
1129 else | |
1130 #endif | |
1131 getvvcol(curwin, &curwin->w_cursor, | |
1132 &startcol, &(curwin->w_virtcol), &endcol); | |
1133 | |
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1134 // remove '$' from change command when cursor moves onto it |
7 | 1135 if (startcol > dollar_vcol) |
3318 | 1136 dollar_vcol = -1; |
7 | 1137 |
1138 extra = curwin_col_off(); | |
1139 curwin->w_wcol = curwin->w_virtcol + extra; | |
1140 endcol += extra; | |
1141 | |
1142 /* | |
1143 * Now compute w_wrow, counting screen lines from w_cline_row. | |
1144 */ | |
1145 curwin->w_wrow = curwin->w_cline_row; | |
1146 | |
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1147 width1 = curwin->w_width - extra; |
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1148 if (width1 <= 0) |
7 | 1149 { |
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1150 // No room for text, put cursor in last char of window. |
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1151 // If not wrapping, the last non-empty line. |
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1152 curwin->w_wcol = curwin->w_width - 1; |
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1153 if (curwin->w_p_wrap) |
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1154 curwin->w_wrow = curwin->w_height - 1; |
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1155 else |
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1156 curwin->w_wrow = curwin->w_height - 1 - curwin->w_empty_rows; |
7 | 1157 } |
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1158 else if (curwin->w_p_wrap && curwin->w_width != 0) |
7 | 1159 { |
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1160 width2 = width1 + curwin_col_off2(); |
7 | 1161 |
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1162 // skip columns that are not visible |
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1163 if (curwin->w_cursor.lnum == curwin->w_topline |
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1164 && curwin->w_skipcol > 0 |
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1165 && curwin->w_wcol >= curwin->w_skipcol) |
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1166 { |
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1167 // Deduct by multiples of width2. This allows the long line |
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1168 // wrapping formula below to correctly calculate the w_wcol value |
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|
1169 // when wrapping. |
30823
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|
1170 if (curwin->w_skipcol <= width1) |
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a5bf86083558
patch 9.0.0893: 'smoothscroll' cursor calculations wrong when 'number' is set
Bram Moolenaar <Bram@vim.org>
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|
1171 curwin->w_wcol -= width2; |
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|
1172 else |
31117
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patch 9.0.0893: 'smoothscroll' cursor calculations wrong when 'number' is set
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|
1173 curwin->w_wcol -= width2 |
30823
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parents:
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|
1174 * (((curwin->w_skipcol - width1) / width2) + 1); |
31117
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|
1175 |
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Bram Moolenaar <Bram@vim.org>
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|
1176 did_sub_skipcol = TRUE; |
a57e6da5860f
patch 9.0.0745: wrong cursor position when using "gj" and "gk" in a long line
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|
1177 } |
30799
ffa5492137c3
patch 9.0.0734: cursor position invalid when scrolling with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
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30745
diff
changeset
|
1178 |
18931
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|
1179 // long line wrapping, adjust curwin->w_wrow |
12515
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patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
1180 if (curwin->w_wcol >= curwin->w_width) |
7 | 1181 { |
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|
1182 // this same formula is used in validate_cursor_col() |
30823
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|
1183 n = (curwin->w_wcol - curwin->w_width) / width2 + 1; |
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|
1184 curwin->w_wcol -= n * width2; |
7 | 1185 curwin->w_wrow += n; |
1186 | |
1187 #ifdef FEAT_LINEBREAK | |
18931
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changeset
|
1188 // When cursor wraps to first char of next line in Insert |
80b40bd5ec1a
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parents:
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|
1189 // mode, the 'showbreak' string isn't shown, backup to first |
80b40bd5ec1a
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|
1190 // column |
30821
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diff
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|
1191 char_u *sbr = get_showbreak_value(curwin); |
18574
8b0114ffde2b
patch 8.1.2281: 'showbreak' cannot be set for one window
Bram Moolenaar <Bram@vim.org>
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|
1192 if (*sbr && *ml_get_cursor() == NUL |
25852
336e2d9924e6
patch 8.2.3460: some type casts are not needed
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parents:
25717
diff
changeset
|
1193 && curwin->w_wcol == vim_strsize(sbr)) |
7 | 1194 curwin->w_wcol = 0; |
1195 #endif | |
1196 } | |
1197 } | |
1198 | |
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|
1199 // No line wrapping: compute curwin->w_leftcol if scrolling is on and line |
80b40bd5ec1a
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|
1200 // is not folded. |
80b40bd5ec1a
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|
1201 // If scrolling is off, curwin->w_leftcol is assumed to be 0 |
3263 | 1202 else if (may_scroll |
7 | 1203 #ifdef FEAT_FOLDING |
1204 && !curwin->w_cline_folded | |
1205 #endif | |
1206 ) | |
1207 { | |
30231
0d084880276a
patch 9.0.0451: virtual text "above" does not work with 'nowrap'
Bram Moolenaar <Bram@vim.org>
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|
1208 #ifdef FEAT_PROP_POPUP |
0d084880276a
patch 9.0.0451: virtual text "above" does not work with 'nowrap'
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|
1209 if (curwin->w_virtcol_first_char > 0) |
0d084880276a
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|
1210 { |
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patch 9.0.0451: virtual text "above" does not work with 'nowrap'
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|
1211 int cols = (curwin->w_width - extra); |
0d084880276a
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|
1212 int rows = cols > 0 ? curwin->w_virtcol_first_char / cols : 1; |
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|
1213 |
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changeset
|
1214 // each "above" text prop shifts the text one row down |
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|
1215 curwin->w_wrow += rows; |
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|
1216 curwin->w_wcol -= rows * cols; |
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|
1217 endcol -= rows * cols; |
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|
1218 curwin->w_cline_height = rows + 1; |
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|
1219 } |
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|
1220 #endif |
7 | 1221 /* |
1222 * If Cursor is left of the screen, scroll rightwards. | |
1223 * If Cursor is right of the screen, scroll leftwards | |
1224 * If we get closer to the edge than 'sidescrolloff', scroll a little | |
1225 * extra | |
1226 */ | |
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patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
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changeset
|
1227 off_left = (int)startcol - (int)curwin->w_leftcol - siso; |
12515
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patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
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|
1228 off_right = (int)endcol - (int)(curwin->w_leftcol + curwin->w_width |
15713
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Bram Moolenaar <Bram@vim.org>
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|
1229 - siso) + 1; |
7 | 1230 if (off_left < 0 || off_right > 0) |
1231 { | |
1232 if (off_left < 0) | |
1233 diff = -off_left; | |
1234 else | |
1235 diff = off_right; | |
1236 | |
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|
1237 // When far off or not enough room on either side, put cursor in |
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|
1238 // middle of window. |
30823
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|
1239 if (p_ss == 0 || diff >= width1 / 2 || off_right >= off_left) |
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|
1240 new_leftcol = curwin->w_wcol - extra - width1 / 2; |
7 | 1241 else |
1242 { | |
1243 if (diff < p_ss) | |
1244 diff = p_ss; | |
1245 if (off_left < 0) | |
1246 new_leftcol = curwin->w_leftcol - diff; | |
1247 else | |
1248 new_leftcol = curwin->w_leftcol + diff; | |
1249 } | |
1250 if (new_leftcol < 0) | |
1251 new_leftcol = 0; | |
1252 if (new_leftcol != (int)curwin->w_leftcol) | |
1253 { | |
1254 curwin->w_leftcol = new_leftcol; | |
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|
1255 // screen has to be redrawn with new curwin->w_leftcol |
29732
89e1d67814a9
patch 9.0.0206: redraw flags are not named specifically
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changeset
|
1256 redraw_later(UPD_NOT_VALID); |
7 | 1257 } |
1258 } | |
1259 curwin->w_wcol -= curwin->w_leftcol; | |
1260 } | |
1261 else if (curwin->w_wcol > (int)curwin->w_leftcol) | |
1262 curwin->w_wcol -= curwin->w_leftcol; | |
1263 else | |
1264 curwin->w_wcol = 0; | |
1265 | |
1266 #ifdef FEAT_DIFF | |
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|
1267 // Skip over filler lines. At the top use w_topfill, there |
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|
1268 // may be some filler lines above the window. |
7 | 1269 if (curwin->w_cursor.lnum == curwin->w_topline) |
1270 curwin->w_wrow += curwin->w_topfill; | |
1271 else | |
1272 curwin->w_wrow += diff_check_fill(curwin, curwin->w_cursor.lnum); | |
1273 #endif | |
1274 | |
1275 prev_skipcol = curwin->w_skipcol; | |
1276 | |
1277 p_lines = 0; | |
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|
1278 |
7 | 1279 if ((curwin->w_wrow >= curwin->w_height |
1280 || ((prev_skipcol > 0 | |
15713
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|
1281 || curwin->w_wrow + so >= curwin->w_height) |
7 | 1282 && (p_lines = |
1283 #ifdef FEAT_DIFF | |
1284 plines_win_nofill | |
1285 #else | |
1286 plines_win | |
1287 #endif | |
1288 (curwin, curwin->w_cursor.lnum, FALSE)) | |
1289 - 1 >= curwin->w_height)) | |
1290 && curwin->w_height != 0 | |
1291 && curwin->w_cursor.lnum == curwin->w_topline | |
30823
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|
1292 && width2 > 0 |
12477
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patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
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|
1293 && curwin->w_width != 0) |
7 | 1294 { |
18931
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|
1295 // Cursor past end of screen. Happens with a single line that does |
80b40bd5ec1a
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|
1296 // not fit on screen. Find a skipcol to show the text around the |
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|
1297 // cursor. Avoid scrolling all the time. compute value of "extra": |
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|
1298 // 1: Less than 'scrolloff' lines above |
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|
1299 // 2: Less than 'scrolloff' lines below |
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|
1300 // 3: both of them |
7 | 1301 extra = 0; |
30823
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|
1302 if (curwin->w_skipcol + so * width2 > curwin->w_virtcol) |
7 | 1303 extra = 1; |
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|
1304 // Compute last display line of the buffer line that we want at the |
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|
1305 // bottom of the window. |
7 | 1306 if (p_lines == 0) |
1307 p_lines = plines_win(curwin, curwin->w_cursor.lnum, FALSE); | |
1308 --p_lines; | |
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patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
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changeset
|
1309 if (p_lines > curwin->w_wrow + so) |
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|
1310 n = curwin->w_wrow + so; |
7 | 1311 else |
1312 n = p_lines; | |
30823
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|
1313 if ((colnr_T)n >= curwin->w_height + curwin->w_skipcol / width2 - so) |
7 | 1314 extra += 2; |
1315 | |
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|
1316 if (extra == 3 || curwin->w_height <= so * 2) |
7 | 1317 { |
18931
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|
1318 // not enough room for 'scrolloff', put cursor in the middle |
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|
1319 n = curwin->w_virtcol / width2; |
7 | 1320 if (n > curwin->w_height / 2) |
1321 n -= curwin->w_height / 2; | |
1322 else | |
1323 n = 0; | |
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|
1324 // don't skip more than necessary |
7 | 1325 if (n > p_lines - curwin->w_height + 1) |
1326 n = p_lines - curwin->w_height + 1; | |
30823
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|
1327 curwin->w_skipcol = n * width2; |
7 | 1328 } |
1329 else if (extra == 1) | |
1330 { | |
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patch 8.2.3914: various spelling mistakes in comments
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|
1331 // less than 'scrolloff' lines above, decrease skipcol |
30823
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1332 extra = (curwin->w_skipcol + so * width2 - curwin->w_virtcol |
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1333 + width2 - 1) / width2; |
7 | 1334 if (extra > 0) |
1335 { | |
30823
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|
1336 if ((colnr_T)(extra * width2) > curwin->w_skipcol) |
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1337 extra = curwin->w_skipcol / width2; |
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|
1338 curwin->w_skipcol -= extra * width2; |
7 | 1339 } |
1340 } | |
1341 else if (extra == 2) | |
1342 { | |
26771
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|
1343 // less than 'scrolloff' lines below, increase skipcol |
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1344 endcol = (n - curwin->w_height + 1) * width2; |
7 | 1345 while (endcol > curwin->w_virtcol) |
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|
1346 endcol -= width2; |
7 | 1347 if (endcol > curwin->w_skipcol) |
1348 curwin->w_skipcol = endcol; | |
1349 } | |
1350 | |
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1351 // adjust w_wrow for the changed w_skipcol |
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|
1352 if (did_sub_skipcol) |
30823
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1353 curwin->w_wrow -= (curwin->w_skipcol - prev_skipcol) / width2; |
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1354 else |
30823
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1355 curwin->w_wrow -= curwin->w_skipcol / width2; |
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parents:
30799
diff
changeset
|
1356 |
7 | 1357 if (curwin->w_wrow >= curwin->w_height) |
1358 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1359 // small window, make sure cursor is in it |
7 | 1360 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
|
1361 curwin->w_skipcol += extra * width2; |
7 | 1362 curwin->w_wrow -= extra; |
1363 } | |
1364 | |
30823
80a336303eb9
patch 9.0.0746: breakindent test cases are commented out
Bram Moolenaar <Bram@vim.org>
parents:
30821
diff
changeset
|
1365 extra = ((int)prev_skipcol - (int)curwin->w_skipcol) / width2; |
7 | 1366 if (extra > 0) |
1367 win_ins_lines(curwin, 0, extra, FALSE, FALSE); | |
1368 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
|
1369 win_del_lines(curwin, 0, -extra, FALSE, FALSE, 0); |
7 | 1370 } |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1371 else if (!curwin->w_p_sms) |
7 | 1372 curwin->w_skipcol = 0; |
1373 if (prev_skipcol != curwin->w_skipcol) | |
31115
b7834109fefe
patch 9.0.0892: may redraw when not needed
Bram Moolenaar <Bram@vim.org>
parents:
30946
diff
changeset
|
1374 redraw_later(UPD_SOME_VALID); |
7 | 1375 |
740 | 1376 #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
|
1377 redraw_for_cursorcolumn(curwin); |
2178
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
1378 #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
|
1379 #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
|
1380 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
|
1381 { |
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1382 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
|
1383 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
|
1384 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
|
1385 } |
22886
38324d4f1c94
patch 8.2.1990: cursor position wrong in terminal popup with finished job
Bram Moolenaar <Bram@vim.org>
parents:
22782
diff
changeset
|
1386 else |
38324d4f1c94
patch 8.2.1990: cursor position wrong in terminal popup with finished job
Bram Moolenaar <Bram@vim.org>
parents:
22782
diff
changeset
|
1387 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
|
1388 #endif |
740 | 1389 |
30799
ffa5492137c3
patch 9.0.0734: cursor position invalid when scrolling with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30745
diff
changeset
|
1390 // 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
|
1391 // thinking otherwise |
18621
a9bfdc5ea1ec
patch 8.1.2303: cursor in wrong position after horizontal scroll
Bram Moolenaar <Bram@vim.org>
parents:
18580
diff
changeset
|
1392 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
|
1393 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
|
1394 |
7 | 1395 curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL; |
1396 } | |
1397 | |
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18621
diff
changeset
|
1398 #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
|
1399 /* |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1400 * 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
|
1401 * 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
|
1402 */ |
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
|
1403 void |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1404 textpos2screenpos( |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1405 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
|
1406 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
|
1407 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
|
1408 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
|
1409 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
|
1410 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
|
1411 { |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1412 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
|
1413 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
|
1414 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
|
1415 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
|
1416 |
25312
7a254d0705e2
patch 8.2.3193: screenpos() is wrong when 'display' is "lastline"
Bram Moolenaar <Bram@vim.org>
parents:
25172
diff
changeset
|
1417 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
|
1418 { |
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
|
1419 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
|
1420 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
|
1421 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
|
1422 linenr_T lnum = pos->lnum; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1423 #ifdef FEAT_FOLDING |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1424 int is_folded; |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1425 |
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
|
1426 is_folded = hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1427 #endif |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1428 row = plines_m_win(wp, wp->w_topline, lnum - 1) + 1; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1429 #ifdef FEAT_FOLDING |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1430 if (is_folded) |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1431 { |
27352
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1432 row += W_WINROW(wp); |
27726
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1433 coloff = wp->w_wincol + 1; |
27352
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1434 } |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1435 else |
27726
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1436 #endif |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1437 { |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1438 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
|
1439 |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1440 // 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
|
1441 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
|
1442 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
|
1443 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
|
1444 width = wp->w_width - off + win_col_off2(wp); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1445 |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1446 // 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
|
1447 if (wp->w_p_wrap |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1448 && col >= (colnr_T)wp->w_width |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1449 && width > 0) |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1450 { |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1451 // use same formula as what is used in curs_columns() |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1452 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
|
1453 col -= rowoff * width; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1454 } |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1455 col -= wp->w_leftcol; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1456 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
|
1457 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
|
1458 if (col >= 0 && row + rowoff <= wp->w_height) |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1459 { |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1460 coloff = col - scol + wp->w_wincol + 1; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1461 row += W_WINROW(wp); |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1462 } |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1463 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
|
1464 // character is left, right or below of the window |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1465 row = rowoff = scol = ccol = ecol = 0; |
d3ed8b1a7bde
patch 8.2.4389: screenpos() does not handle a position in a closed fold
Bram Moolenaar <Bram@vim.org>
parents:
27352
diff
changeset
|
1466 } |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1467 } |
27352
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1468 *rowp = row + rowoff; |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1469 *scolp = scol + coloff; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1470 *ccolp = ccol + coloff; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1471 *ecolp = ecol + coloff; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1472 } |
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
|
1473 #endif |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1474 |
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
|
1475 #if defined(FEAT_EVAL) || defined(PROTO) |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1476 /* |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1477 * "screenpos({winid}, {lnum}, {col})" function |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1478 */ |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1479 void |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1480 f_screenpos(typval_T *argvars UNUSED, typval_T *rettv) |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1481 { |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1482 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
|
1483 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
|
1484 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
|
1485 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
|
1486 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
|
1487 |
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
|
1488 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
|
1489 return; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1490 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
|
1491 |
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
|
1492 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
|
1493 && (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
|
1494 || 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
|
1495 || 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
|
1496 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
|
1497 |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1498 wp = find_win_by_nr_or_id(&argvars[0]); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1499 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
|
1500 return; |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1501 |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1502 pos.lnum = tv_get_number(&argvars[1]); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1503 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
|
1504 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
|
1505 textpos2screenpos(wp, &pos, &row, &scol, &ccol, &ecol); |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1506 |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1507 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
|
1508 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
|
1509 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
|
1510 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
|
1511 } |
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
|
1512 |
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
|
1513 /* |
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
|
1514 * "virtcol2col({winid}, {lnum}, {col})" function |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1515 */ |
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
|
1516 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
|
1517 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
|
1518 { |
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
|
1519 win_T *wp; |
9f25e0ed831d
patch 8.2.5034: there is no way to get the byte index from a virtual column
Bram Moolenaar <Bram@vim.org>
parents:
28809
diff
changeset
|
1520 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
|
1521 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
|
1522 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
|
1523 |
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
|
1524 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
|
1525 |
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
|
1526 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
|
1527 || 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
|
1528 || 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
|
1529 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
|
1530 |
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
|
1531 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
|
1532 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
|
1533 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
|
1534 |
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
|
1535 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
|
1536 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
|
1537 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
|
1538 |
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
|
1539 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
|
1540 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
|
1541 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
|
1542 |
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
|
1543 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
|
1544 } |
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1545 #endif |
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1546 |
7 | 1547 /* |
1548 * Scroll the current window down by "line_count" logical lines. "CTRL-Y" | |
1549 */ | |
1550 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1551 scrolldown( |
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1552 long line_count, |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1553 int byfold UNUSED) // TRUE: count a closed fold as one line |
7 | 1554 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1555 long done = 0; // total # of physical lines done |
7 | 1556 int wrow; |
1557 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
|
1558 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:
30491
diff
changeset
|
1559 int width1 = 0; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1560 int width2 = 0; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1561 |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
30645
diff
changeset
|
1562 if (do_sms) |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1563 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1564 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
|
1565 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:
30491
diff
changeset
|
1566 } |
7 | 1567 |
1568 #ifdef FEAT_FOLDING | |
1569 linenr_T first; | |
1570 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1571 // Make sure w_topline is at the first of a sequence of folded lines. |
7 | 1572 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
1573 #endif | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1574 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
|
1575 for (int todo = line_count; todo > 0; --todo) |
7 | 1576 { |
1577 #ifdef FEAT_DIFF | |
1980 | 1578 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline) |
1579 && curwin->w_topfill < curwin->w_height - 1) | |
7 | 1580 { |
1581 ++curwin->w_topfill; | |
1582 ++done; | |
1583 } | |
1584 else | |
1585 #endif | |
1586 { | |
30620
70d6345a2976
patch 9.0.0645: CTRL-Y does not stop at line 1
Bram Moolenaar <Bram@vim.org>
parents:
30610
diff
changeset
|
1587 // break when at the very top |
70d6345a2976
patch 9.0.0645: CTRL-Y does not stop at line 1
Bram Moolenaar <Bram@vim.org>
parents:
30610
diff
changeset
|
1588 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:
30645
diff
changeset
|
1589 && (!do_sms || curwin->w_skipcol < width1)) |
7 | 1590 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
|
1591 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:
30491
diff
changeset
|
1592 { |
30620
70d6345a2976
patch 9.0.0645: CTRL-Y does not stop at line 1
Bram Moolenaar <Bram@vim.org>
parents:
30610
diff
changeset
|
1593 // 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:
30491
diff
changeset
|
1594 if (curwin->w_skipcol >= width1 + width2) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
parents:
30491
diff
changeset
|
1595 curwin->w_skipcol -= width2; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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|
1596 else |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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diff
changeset
|
1597 curwin->w_skipcol -= width1; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1598 redraw_later(UPD_NOT_VALID); |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
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|
1599 ++done; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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|
1600 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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parents:
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diff
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|
1601 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
|
1602 { |
30620
70d6345a2976
patch 9.0.0645: CTRL-Y does not stop at line 1
Bram Moolenaar <Bram@vim.org>
parents:
30610
diff
changeset
|
1603 // 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
|
1604 --curwin->w_topline; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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diff
changeset
|
1605 curwin->w_skipcol = 0; |
7 | 1606 #ifdef FEAT_DIFF |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1607 curwin->w_topfill = 0; |
7 | 1608 #endif |
1609 #ifdef FEAT_FOLDING | |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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|
1610 // 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
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diff
changeset
|
1611 if (hasFolding(curwin->w_topline, &first, NULL)) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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|
1612 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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|
1613 ++done; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1614 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
|
1615 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
|
1616 curwin->w_botline -= curwin->w_topline - first; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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changeset
|
1617 curwin->w_topline = first; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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diff
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|
1618 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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parents:
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|
1619 else |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1620 #endif |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1621 if (do_sms) |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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changeset
|
1622 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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changeset
|
1623 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>
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diff
changeset
|
1624 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>
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changeset
|
1625 if (size > width1) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1626 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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changeset
|
1627 curwin->w_skipcol = width1; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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diff
changeset
|
1628 size -= width1; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1629 redraw_later(UPD_NOT_VALID); |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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changeset
|
1630 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1631 while (size > width2) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1632 { |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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changeset
|
1633 curwin->w_skipcol += width2; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1634 size -= width2; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1635 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1636 ++done; |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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diff
changeset
|
1637 } |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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parents:
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changeset
|
1638 else |
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patch 9.0.0640: cannot scroll by screen line if a line wraps
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diff
changeset
|
1639 done += PLINES_NOFILL(curwin->w_topline); |
7 | 1640 } |
1641 } | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1642 --curwin->w_botline; // approximate w_botline |
7 | 1643 invalidate_botline(); |
1644 } | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1645 curwin->w_wrow += done; // keep w_wrow updated |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1646 curwin->w_cline_row += done; // keep w_cline_row updated |
7 | 1647 |
1648 #ifdef FEAT_DIFF | |
1649 if (curwin->w_cursor.lnum == curwin->w_topline) | |
1650 curwin->w_cline_row = 0; | |
1651 check_topfill(curwin, TRUE); | |
1652 #endif | |
1653 | |
1654 /* | |
1655 * Compute the row number of the last row of the cursor line | |
1656 * and move the cursor onto the displayed part of the window. | |
1657 */ | |
1658 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
|
1659 if (curwin->w_p_wrap && curwin->w_width != 0) |
7 | 1660 { |
1661 validate_virtcol(); | |
1662 validate_cheight(); | |
1663 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
|
1664 curwin->w_virtcol / curwin->w_width; |
7 | 1665 } |
1666 while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1) | |
1667 { | |
1668 #ifdef FEAT_FOLDING | |
1669 if (hasFolding(curwin->w_cursor.lnum, &first, NULL)) | |
1670 { | |
1671 --wrow; | |
1672 if (first == 1) | |
1673 curwin->w_cursor.lnum = 1; | |
1674 else | |
1675 curwin->w_cursor.lnum = first - 1; | |
1676 } | |
1677 else | |
1678 #endif | |
1679 wrow -= plines(curwin->w_cursor.lnum--); | |
1680 curwin->w_valid &= | |
1681 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL); | |
1682 moved = TRUE; | |
1683 } | |
1684 if (moved) | |
1685 { | |
1686 #ifdef FEAT_FOLDING | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1687 // Move cursor to first line of closed fold. |
7 | 1688 foldAdjustCursor(); |
1689 #endif | |
1690 coladvance(curwin->w_curswant); | |
1691 } | |
30733
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1692 |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1693 if (curwin->w_cursor.lnum == curwin->w_topline && do_sms) |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1694 { |
30833
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
1695 long so = get_scrolloff_value(); |
30745
fdc44acc3250
patch 9.0.0707: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
30733
diff
changeset
|
1696 int scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2; |
fdc44acc3250
patch 9.0.0707: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1697 |
30733
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1698 // make sure the cursor is in the visible text |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1699 validate_virtcol(); |
30745
fdc44acc3250
patch 9.0.0707: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
30733
diff
changeset
|
1700 int col = curwin->w_virtcol - curwin->w_skipcol + scrolloff_cols; |
30733
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
30679
diff
changeset
|
1701 int row = 0; |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1702 if (col >= width1) |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
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|
1703 { |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
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diff
changeset
|
1704 col -= width1; |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1705 ++row; |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1706 } |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1707 if (col > width2) |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1708 { |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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changeset
|
1709 row += col / width2; |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
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diff
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|
1710 col = col % width2; |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
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|
1711 } |
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1712 if (row >= curwin->w_height) |
30745
fdc44acc3250
patch 9.0.0707: with 'smoothscroll' cursor position not adjusted in long line
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diff
changeset
|
1713 { |
fdc44acc3250
patch 9.0.0707: with 'smoothscroll' cursor position not adjusted in long line
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diff
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|
1714 curwin->w_curswant = curwin->w_virtcol |
fdc44acc3250
patch 9.0.0707: with 'smoothscroll' cursor position not adjusted in long line
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diff
changeset
|
1715 - (row - curwin->w_height + 1) * width2; |
fdc44acc3250
patch 9.0.0707: with 'smoothscroll' cursor position not adjusted in long line
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diff
changeset
|
1716 coladvance(curwin->w_curswant); |
fdc44acc3250
patch 9.0.0707: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1717 } |
30733
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1718 } |
7 | 1719 } |
1720 | |
1721 /* | |
30946
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1722 * Return TRUE if scrollup() will scroll by screen line rather than text line. |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
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|
1723 */ |
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diff
changeset
|
1724 static int |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1725 scrolling_screenlines(int byfold UNUSED) |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1726 { |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1727 return (curwin->w_p_wrap && curwin->w_p_sms) |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1728 # ifdef FEAT_FOLDING |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
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diff
changeset
|
1729 || (byfold && hasAnyFolding(curwin)) |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
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diff
changeset
|
1730 # endif |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
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|
1731 # ifdef FEAT_DIFF |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
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diff
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|
1732 || curwin->w_p_diff |
1819fe895aea
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|
1733 # endif |
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changeset
|
1734 ; |
1819fe895aea
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Bram Moolenaar <Bram@vim.org>
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|
1735 } |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
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changeset
|
1736 |
1819fe895aea
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diff
changeset
|
1737 /* |
7 | 1738 * Scroll the current window up by "line_count" logical lines. "CTRL-E" |
1739 */ | |
1740 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1741 scrollup( |
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
1742 long line_count, |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1743 int byfold UNUSED) // TRUE: count a closed fold as one line |
7 | 1744 { |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
30645
diff
changeset
|
1745 int do_sms = curwin->w_p_wrap && curwin->w_p_sms; |
7 | 1746 |
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
|
1747 if (scrolling_screenlines(byfold)) |
7 | 1748 { |
30622
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
30620
diff
changeset
|
1749 int width1 = curwin->w_width - curwin_col_off(); |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1750 int width2 = width1 + curwin_col_off2(); |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1751 int size = 0; |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1752 linenr_T prev_topline = curwin->w_topline; |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1753 |
30673
53b826c4649f
patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
parents:
30645
diff
changeset
|
1754 if (do_sms) |
30833
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
1755 size = linetabsize(curwin, curwin->w_topline); |
30622
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1756 |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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diff
changeset
|
1757 // diff mode: first consume "topfill" |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1758 // 'smoothscroll': increase "w_skipcol" until it goes over the end of |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1759 // the line, then advance to the next line. |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1760 // folding: count each sequence of folded lines as one logical line. |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1761 for (int todo = line_count; todo > 0; --todo) |
7 | 1762 { |
1763 # ifdef FEAT_DIFF | |
1764 if (curwin->w_topfill > 0) | |
1765 --curwin->w_topfill; | |
1766 else | |
1767 # endif | |
1768 { | |
30622
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1769 linenr_T lnum = curwin->w_topline; |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1770 |
7 | 1771 # ifdef FEAT_FOLDING |
1772 if (byfold) | |
30622
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1773 // for a closed fold: go to the last line in the fold |
7 | 1774 (void)hasFolding(lnum, NULL, &lnum); |
1775 # endif | |
30733
5bea8e583d28
patch 9.0.0701: with 'smoothscroll' cursor position not adjusted in long line
Bram Moolenaar <Bram@vim.org>
parents:
30679
diff
changeset
|
1776 if (lnum == curwin->w_topline && do_sms) |
30622
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1777 { |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1778 // 'smoothscroll': increase "w_skipcol" until it goes over |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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changeset
|
1779 // the end of the line, then advance to the next line. |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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diff
changeset
|
1780 int add = curwin->w_skipcol > 0 ? width2 : width1; |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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diff
changeset
|
1781 curwin->w_skipcol += add; |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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diff
changeset
|
1782 if (curwin->w_skipcol >= size) |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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diff
changeset
|
1783 { |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1784 if (lnum == curbuf->b_ml.ml_line_count) |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1785 { |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1786 // at the last screen line, can't scroll further |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1787 curwin->w_skipcol -= add; |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1788 break; |
ffd6e3bd65b8
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Bram Moolenaar <Bram@vim.org>
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changeset
|
1789 } |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1790 ++lnum; |
ffd6e3bd65b8
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diff
changeset
|
1791 } |
ffd6e3bd65b8
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|
1792 } |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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diff
changeset
|
1793 else |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1794 { |
ffd6e3bd65b8
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diff
changeset
|
1795 if (lnum >= curbuf->b_ml.ml_line_count) |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1796 break; |
ffd6e3bd65b8
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parents:
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diff
changeset
|
1797 ++lnum; |
ffd6e3bd65b8
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diff
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|
1798 } |
ffd6e3bd65b8
patch 9.0.0646: with 'smoothscroll' CTRL-E is wrong when 'foldmethod' set
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parents:
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diff
changeset
|
1799 |
ffd6e3bd65b8
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changeset
|
1800 if (lnum > curwin->w_topline) |
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|
1801 { |
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changeset
|
1802 // approximate w_botline |
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changeset
|
1803 curwin->w_botline += lnum - curwin->w_topline; |
ffd6e3bd65b8
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diff
changeset
|
1804 curwin->w_topline = lnum; |
7 | 1805 # ifdef FEAT_DIFF |
30622
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diff
changeset
|
1806 curwin->w_topfill = diff_check_fill(curwin, lnum); |
7 | 1807 # endif |
30622
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changeset
|
1808 curwin->w_skipcol = 0; |
30673
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patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1809 if (todo > 1 && do_sms) |
30833
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patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
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changeset
|
1810 size = linetabsize(curwin, curwin->w_topline); |
30622
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|
1811 } |
7 | 1812 } |
1813 } | |
30610
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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diff
changeset
|
1814 |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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|
1815 if (curwin->w_topline == prev_topline) |
6c6ac189a05f
patch 9.0.0640: cannot scroll by screen line if a line wraps
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|
1816 // 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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changeset
|
1817 redraw_later(UPD_NOT_VALID); |
6c6ac189a05f
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|
1818 } |
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|
1819 else |
7 | 1820 { |
1821 curwin->w_topline += line_count; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
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diff
changeset
|
1822 curwin->w_botline += line_count; // approximate w_botline |
7 | 1823 } |
1824 | |
1825 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
1826 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
1827 if (curwin->w_botline > curbuf->b_ml.ml_line_count + 1) | |
1828 curwin->w_botline = curbuf->b_ml.ml_line_count + 1; | |
1829 | |
1830 #ifdef FEAT_DIFF | |
1831 check_topfill(curwin, FALSE); | |
1832 #endif | |
1833 | |
1834 #ifdef FEAT_FOLDING | |
1835 if (hasAnyFolding(curwin)) | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
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diff
changeset
|
1836 // Make sure w_topline is at the first of a sequence of folded lines. |
7 | 1837 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
1838 #endif | |
1839 | |
1840 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
1841 if (curwin->w_cursor.lnum < curwin->w_topline) | |
1842 { | |
1843 curwin->w_cursor.lnum = curwin->w_topline; | |
1844 curwin->w_valid &= | |
1845 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL); | |
1846 coladvance(curwin->w_curswant); | |
1847 } | |
30733
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|
1848 if (curwin->w_cursor.lnum == curwin->w_topline |
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|
1849 && do_sms && curwin->w_skipcol > 0) |
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|
1850 { |
31131
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patch 9.0.0900: cursor moves too far with 'smoothscroll'
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changeset
|
1851 int col_off = curwin_col_off(); |
8de082110e2d
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diff
changeset
|
1852 int col_off2 = curwin_col_off2(); |
8de082110e2d
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|
1853 |
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|
1854 int width1 = curwin->w_width - col_off; |
8de082110e2d
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|
1855 int width2 = width1 + col_off2; |
8de082110e2d
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diff
changeset
|
1856 int extra2 = col_off - col_off2; |
30833
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|
1857 long so = get_scrolloff_value(); |
30745
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diff
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|
1858 int scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2; |
30833
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|
1859 int space_cols = (curwin->w_height - 1) * width2; |
30745
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|
1860 |
31131
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|
1861 // If we have non-zero scrolloff, just ignore the <<< marker as we are |
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|
1862 // going past it anyway. |
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|
1863 int smoothscroll_overlap = scrolloff_cols != 0 ? 0 : |
8de082110e2d
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changeset
|
1864 smoothscroll_marker_overlap(extra2); |
8de082110e2d
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|
1865 |
30745
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|
1866 // Make sure the cursor is in a visible part of the line, taking |
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|
1867 // 'scrolloff' into account, but using screen lines. |
30833
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diff
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|
1868 // If there are not enough screen lines put the cursor in the middle. |
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diff
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|
1869 if (scrolloff_cols > space_cols / 2) |
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changeset
|
1870 scrolloff_cols = space_cols / 2; |
30733
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changeset
|
1871 validate_virtcol(); |
31131
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|
1872 if (curwin->w_virtcol < curwin->w_skipcol |
8de082110e2d
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|
1873 + smoothscroll_overlap + scrolloff_cols) |
30733
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|
1874 { |
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|
1875 colnr_T col = curwin->w_virtcol; |
5bea8e583d28
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changeset
|
1876 |
5bea8e583d28
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|
1877 if (col < width1) |
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1878 col += width1; |
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1879 while (col < curwin->w_skipcol |
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1880 + smoothscroll_overlap + scrolloff_cols) |
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1881 col += width2; |
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1882 curwin->w_curswant = col; |
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1883 coladvance(curwin->w_curswant); |
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1884 |
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1885 // validate_virtcol() marked various things as valid, but after |
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1886 // moving the cursor they need to be recomputed |
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1887 curwin->w_valid &= |
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1888 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL); |
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1889 } |
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1890 } |
7 | 1891 } |
1892 | |
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1893 /* |
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1894 * Called after changing the cursor column: make sure that curwin->w_skipcol is |
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1895 * valid for 'smoothscroll'. |
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1896 */ |
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1897 void |
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1898 adjust_skipcol(void) |
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1899 { |
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1900 if (!curwin->w_p_wrap |
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1901 || !curwin->w_p_sms |
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1902 || curwin->w_cursor.lnum != curwin->w_topline) |
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1903 return; |
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1904 |
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1905 int width1 = curwin->w_width - curwin_col_off(); |
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1906 int width2 = width1 + curwin_col_off2(); |
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1907 long so = get_scrolloff_value(); |
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1908 int scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2; |
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1909 int scrolled = FALSE; |
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1910 |
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1911 validate_cheight(); |
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1912 if (curwin->w_cline_height == curwin->w_height) |
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1913 { |
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1914 // the line just fits in the window, don't scroll |
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1915 reset_skipcol(); |
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1916 return; |
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1917 } |
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1918 |
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1919 validate_virtcol(); |
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1920 while (curwin->w_skipcol > 0 |
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1921 && curwin->w_virtcol < curwin->w_skipcol + 3 + scrolloff_cols) |
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1922 { |
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1923 // scroll a screen line down |
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1924 if (curwin->w_skipcol >= width1 + width2) |
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1925 curwin->w_skipcol -= width2; |
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1926 else |
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1927 curwin->w_skipcol -= width1; |
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1928 redraw_later(UPD_NOT_VALID); |
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1929 scrolled = TRUE; |
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1930 validate_virtcol(); |
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1931 } |
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1932 if (scrolled) |
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1933 return; // don't scroll in the other direction now |
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1934 |
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1935 int col = curwin->w_virtcol - curwin->w_skipcol + scrolloff_cols; |
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1936 int row = 0; |
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1937 if (col >= width1) |
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1938 { |
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1939 col -= width1; |
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1940 ++row; |
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1941 } |
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1942 if (col > width2) |
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1943 { |
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1944 row += col / width2; |
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1945 col = col % width2; |
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1946 } |
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1947 if (row >= curwin->w_height) |
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1948 { |
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1949 if (curwin->w_skipcol == 0) |
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1950 { |
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1951 curwin->w_skipcol += width1; |
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1952 --row; |
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1953 } |
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1954 if (row >= curwin->w_height) |
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1955 curwin->w_skipcol += (row - curwin->w_height) * width2; |
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1956 redraw_later(UPD_NOT_VALID); |
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1957 } |
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1958 } |
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1959 |
7 | 1960 #ifdef FEAT_DIFF |
1961 /* | |
1962 * Don't end up with too many filler lines in the window. | |
1963 */ | |
1964 void | |
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1965 check_topfill( |
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1966 win_T *wp, |
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|
1967 int down) // when TRUE scroll down when not enough space |
7 | 1968 { |
1969 int n; | |
1970 | |
1971 if (wp->w_topfill > 0) | |
1972 { | |
1973 n = plines_win_nofill(wp, wp->w_topline, TRUE); | |
1974 if (wp->w_topfill + n > wp->w_height) | |
1975 { | |
1976 if (down && wp->w_topline > 1) | |
1977 { | |
1978 --wp->w_topline; | |
1979 wp->w_topfill = 0; | |
1980 } | |
1981 else | |
1982 { | |
1983 wp->w_topfill = wp->w_height - n; | |
1984 if (wp->w_topfill < 0) | |
1985 wp->w_topfill = 0; | |
1986 } | |
1987 } | |
1988 } | |
1989 } | |
1990 | |
1991 /* | |
1992 * Use as many filler lines as possible for w_topline. Make sure w_topline | |
1993 * is still visible. | |
1994 */ | |
1995 static void | |
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1996 max_topfill(void) |
7 | 1997 { |
1998 int n; | |
1999 | |
2000 n = plines_nofill(curwin->w_topline); | |
2001 if (n >= curwin->w_height) | |
2002 curwin->w_topfill = 0; | |
2003 else | |
2004 { | |
2005 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
2006 if (curwin->w_topfill + n > curwin->w_height) | |
2007 curwin->w_topfill = curwin->w_height - n; | |
2008 } | |
2009 } | |
2010 #endif | |
2011 | |
2012 /* | |
2013 * Scroll the screen one line down, but don't do it if it would move the | |
2014 * cursor off the screen. | |
2015 */ | |
2016 void | |
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|
2017 scrolldown_clamp(void) |
7 | 2018 { |
2019 int end_row; | |
2020 #ifdef FEAT_DIFF | |
2021 int can_fill = (curwin->w_topfill | |
2022 < diff_check_fill(curwin, curwin->w_topline)); | |
2023 #endif | |
2024 | |
2025 if (curwin->w_topline <= 1 | |
2026 #ifdef FEAT_DIFF | |
2027 && !can_fill | |
2028 #endif | |
2029 ) | |
2030 return; | |
2031 | |
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2032 validate_cursor(); // w_wrow needs to be valid |
7 | 2033 |
2034 /* | |
2035 * Compute the row number of the last row of the cursor line | |
2036 * and make sure it doesn't go off the screen. Make sure the cursor | |
2037 * doesn't go past 'scrolloff' lines from the screen end. | |
2038 */ | |
2039 end_row = curwin->w_wrow; | |
2040 #ifdef FEAT_DIFF | |
2041 if (can_fill) | |
2042 ++end_row; | |
2043 else | |
2044 end_row += plines_nofill(curwin->w_topline - 1); | |
2045 #else | |
2046 end_row += plines(curwin->w_topline - 1); | |
2047 #endif | |
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2048 if (curwin->w_p_wrap && curwin->w_width != 0) |
7 | 2049 { |
2050 validate_cheight(); | |
2051 validate_virtcol(); | |
2052 end_row += curwin->w_cline_height - 1 - | |
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2053 curwin->w_virtcol / curwin->w_width; |
7 | 2054 } |
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2055 if (end_row < curwin->w_height - get_scrolloff_value()) |
7 | 2056 { |
2057 #ifdef FEAT_DIFF | |
2058 if (can_fill) | |
2059 { | |
2060 ++curwin->w_topfill; | |
2061 check_topfill(curwin, TRUE); | |
2062 } | |
2063 else | |
2064 { | |
2065 --curwin->w_topline; | |
2066 curwin->w_topfill = 0; | |
2067 } | |
2068 #else | |
2069 --curwin->w_topline; | |
2070 #endif | |
2071 #ifdef FEAT_FOLDING | |
7009 | 2072 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
7 | 2073 #endif |
18931
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2074 --curwin->w_botline; // approximate w_botline |
7 | 2075 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); |
2076 } | |
2077 } | |
2078 | |
2079 /* | |
2080 * Scroll the screen one line up, but don't do it if it would move the cursor | |
2081 * off the screen. | |
2082 */ | |
2083 void | |
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commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2084 scrollup_clamp(void) |
7 | 2085 { |
2086 int start_row; | |
2087 | |
2088 if (curwin->w_topline == curbuf->b_ml.ml_line_count | |
2089 #ifdef FEAT_DIFF | |
2090 && curwin->w_topfill == 0 | |
2091 #endif | |
2092 ) | |
2093 return; | |
2094 | |
18931
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patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2095 validate_cursor(); // w_wrow needs to be valid |
7 | 2096 |
2097 /* | |
2098 * Compute the row number of the first row of the cursor line | |
2099 * and make sure it doesn't go off the screen. Make sure the cursor | |
2100 * doesn't go before 'scrolloff' lines from the screen start. | |
2101 */ | |
2102 #ifdef FEAT_DIFF | |
2103 start_row = curwin->w_wrow - plines_nofill(curwin->w_topline) | |
2104 - curwin->w_topfill; | |
2105 #else | |
2106 start_row = curwin->w_wrow - plines(curwin->w_topline); | |
2107 #endif | |
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
12152
diff
changeset
|
2108 if (curwin->w_p_wrap && curwin->w_width != 0) |
7 | 2109 { |
2110 validate_virtcol(); | |
12515
972ea22c946f
patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
2111 start_row -= curwin->w_virtcol / curwin->w_width; |
7 | 2112 } |
15713
ad8b2c109b22
patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents:
15697
diff
changeset
|
2113 if (start_row >= get_scrolloff_value()) |
7 | 2114 { |
2115 #ifdef FEAT_DIFF | |
2116 if (curwin->w_topfill > 0) | |
2117 --curwin->w_topfill; | |
2118 else | |
2119 #endif | |
36 | 2120 { |
2121 #ifdef FEAT_FOLDING | |
2122 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline); | |
2123 #endif | |
7 | 2124 ++curwin->w_topline; |
36 | 2125 } |
18931
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Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2126 ++curwin->w_botline; // approximate w_botline |
7 | 2127 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); |
2128 } | |
2129 } | |
2130 | |
2131 /* | |
2132 * Add one line above "lp->lnum". This can be a filler line, a closed fold or | |
2133 * a (wrapped) text line. Uses and sets "lp->fill". | |
2134 * Returns the height of the added line in "lp->height". | |
2082
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updated for version 7.2.366
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parents:
2070
diff
changeset
|
2135 * Lines above the first one are incredibly high: MAXCOL. |
7 | 2136 */ |
2137 static void | |
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commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2138 topline_back(lineoff_T *lp) |
7 | 2139 { |
2140 #ifdef FEAT_DIFF | |
2141 if (lp->fill < diff_check_fill(curwin, lp->lnum)) | |
2142 { | |
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parents:
18892
diff
changeset
|
2143 // Add a filler line. |
7 | 2144 ++lp->fill; |
2145 lp->height = 1; | |
2146 } | |
2147 else | |
2148 #endif | |
2149 { | |
2150 --lp->lnum; | |
2151 #ifdef FEAT_DIFF | |
2152 lp->fill = 0; | |
2153 #endif | |
2154 if (lp->lnum < 1) | |
2155 lp->height = MAXCOL; | |
2156 else | |
2157 #ifdef FEAT_FOLDING | |
2158 if (hasFolding(lp->lnum, &lp->lnum, NULL)) | |
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parents:
18892
diff
changeset
|
2159 // Add a closed fold |
7 | 2160 lp->height = 1; |
2161 else | |
2162 #endif | |
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2163 lp->height = PLINES_NOFILL(lp->lnum); |
7 | 2164 } |
2165 } | |
2166 | |
2167 /* | |
2168 * Add one line below "lp->lnum". This can be a filler line, a closed fold or | |
2169 * a (wrapped) text line. Uses and sets "lp->fill". | |
2170 * Returns the height of the added line in "lp->height". | |
2171 * Lines below the last one are incredibly high. | |
2172 */ | |
2173 static void | |
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commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2174 botline_forw(lineoff_T *lp) |
7 | 2175 { |
2176 #ifdef FEAT_DIFF | |
2177 if (lp->fill < diff_check_fill(curwin, lp->lnum + 1)) | |
2178 { | |
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parents:
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diff
changeset
|
2179 // Add a filler line. |
7 | 2180 ++lp->fill; |
2181 lp->height = 1; | |
2182 } | |
2183 else | |
2184 #endif | |
2185 { | |
2186 ++lp->lnum; | |
2187 #ifdef FEAT_DIFF | |
2188 lp->fill = 0; | |
2189 #endif | |
2190 if (lp->lnum > curbuf->b_ml.ml_line_count) | |
2191 lp->height = MAXCOL; | |
2192 else | |
2193 #ifdef FEAT_FOLDING | |
2194 if (hasFolding(lp->lnum, NULL, &lp->lnum)) | |
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parents:
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diff
changeset
|
2195 // Add a closed fold |
7 | 2196 lp->height = 1; |
2197 else | |
2198 #endif | |
7103
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commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2199 lp->height = PLINES_NOFILL(lp->lnum); |
7 | 2200 } |
2201 } | |
2202 | |
2203 #ifdef FEAT_DIFF | |
2204 /* | |
2205 * Switch from including filler lines below lp->lnum to including filler | |
2206 * lines above loff.lnum + 1. This keeps pointing to the same line. | |
2207 * When there are no filler lines nothing changes. | |
2208 */ | |
2209 static void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2210 botline_topline(lineoff_T *lp) |
7 | 2211 { |
2212 if (lp->fill > 0) | |
2213 { | |
2214 ++lp->lnum; | |
2215 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1; | |
2216 } | |
2217 } | |
2218 | |
2219 /* | |
2220 * Switch from including filler lines above lp->lnum to including filler | |
2221 * lines below loff.lnum - 1. This keeps pointing to the same line. | |
2222 * When there are no filler lines nothing changes. | |
2223 */ | |
2224 static void | |
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commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2225 topline_botline(lineoff_T *lp) |
7 | 2226 { |
2227 if (lp->fill > 0) | |
2228 { | |
2229 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1; | |
2230 --lp->lnum; | |
2231 } | |
2232 } | |
2233 #endif | |
2234 | |
2235 /* | |
2236 * Recompute topline to put the cursor at the top of the window. | |
2237 * Scroll at least "min_scroll" lines. | |
2238 * If "always" is TRUE, always set topline (for "zt"). | |
2239 */ | |
2240 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2241 scroll_cursor_top(int min_scroll, int always) |
7 | 2242 { |
2243 int scrolled = 0; | |
2244 int extra = 0; | |
2245 int used; | |
2246 int i; | |
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parents:
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diff
changeset
|
2247 linenr_T top; // just above displayed lines |
80b40bd5ec1a
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parents:
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diff
changeset
|
2248 linenr_T bot; // just below displayed lines |
7 | 2249 linenr_T old_topline = curwin->w_topline; |
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patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2250 int old_skipcol = curwin->w_skipcol; |
7 | 2251 #ifdef FEAT_DIFF |
2252 linenr_T old_topfill = curwin->w_topfill; | |
2253 #endif | |
2254 linenr_T new_topline; | |
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parents:
15697
diff
changeset
|
2255 int off = get_scrolloff_value(); |
7 | 2256 |
2257 if (mouse_dragging > 0) | |
2258 off = mouse_dragging - 1; | |
2259 | |
2260 /* | |
2261 * Decrease topline until: | |
2262 * - it has become 1 | |
2263 * - (part of) the cursor line is moved off the screen or | |
2264 * - moved at least 'scrolljump' lines and | |
2265 * - at least 'scrolloff' lines above and below the cursor | |
2266 */ | |
2267 validate_cheight(); | |
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diff
changeset
|
2268 used = curwin->w_cline_height; // includes filler lines above |
7 | 2269 if (curwin->w_cursor.lnum < curwin->w_topline) |
2270 scrolled = used; | |
2271 | |
2272 #ifdef FEAT_FOLDING | |
2273 if (hasFolding(curwin->w_cursor.lnum, &top, &bot)) | |
2274 { | |
2275 --top; | |
2276 ++bot; | |
2277 } | |
2278 else | |
2279 #endif | |
2280 { | |
2281 top = curwin->w_cursor.lnum - 1; | |
2282 bot = curwin->w_cursor.lnum + 1; | |
2283 } | |
2284 new_topline = top + 1; | |
2285 | |
2286 #ifdef FEAT_DIFF | |
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parents:
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diff
changeset
|
2287 // "used" already contains the number of filler lines above, don't add it |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
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parents:
18892
diff
changeset
|
2288 // again. |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
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parents:
18892
diff
changeset
|
2289 // 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
|
2290 extra += diff_check_fill(curwin, curwin->w_cursor.lnum); |
7 | 2291 #endif |
2292 | |
2293 /* | |
2294 * Check if the lines from "top" to "bot" fit in the window. If they do, | |
2295 * set new_topline and advance "top" and "bot" to include more lines. | |
2296 */ | |
2297 while (top > 0) | |
2298 { | |
2299 #ifdef FEAT_FOLDING | |
2300 if (hasFolding(top, &top, NULL)) | |
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2301 // count one logical line for a sequence of folded lines |
7 | 2302 i = 1; |
2303 else | |
2304 #endif | |
7103
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commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2305 i = PLINES_NOFILL(top); |
7 | 2306 used += i; |
2307 if (extra + i <= off && bot < curbuf->b_ml.ml_line_count) | |
2308 { | |
2309 #ifdef FEAT_FOLDING | |
2310 if (hasFolding(bot, NULL, &bot)) | |
18931
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parents:
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diff
changeset
|
2311 // count one logical line for a sequence of folded lines |
7 | 2312 ++used; |
2313 else | |
2314 #endif | |
2315 used += plines(bot); | |
2316 } | |
2317 if (used > curwin->w_height) | |
2318 break; | |
2319 if (top < curwin->w_topline) | |
2320 scrolled += i; | |
2321 | |
2322 /* | |
2323 * If scrolling is needed, scroll at least 'sj' lines. | |
2324 */ | |
2325 if ((new_topline >= curwin->w_topline || scrolled > min_scroll) | |
2326 && extra >= off) | |
2327 break; | |
2328 | |
2329 extra += i; | |
2330 new_topline = top; | |
2331 --top; | |
2332 ++bot; | |
2333 } | |
2334 | |
2335 /* | |
2336 * If we don't have enough space, put cursor in the middle. | |
2337 * This makes sure we get the same position when using "k" and "j" | |
2338 * in a small window. | |
2339 */ | |
2340 if (used > curwin->w_height) | |
2341 scroll_cursor_halfway(FALSE); | |
2342 else | |
2343 { | |
2344 /* | |
2345 * If "always" is FALSE, only adjust topline to a lower value, higher | |
31329
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patch 9.0.0998: "gk" may reset skipcol when not needed
Bram Moolenaar <Bram@vim.org>
parents:
31319
diff
changeset
|
2346 * value may happen with wrapping lines. |
7 | 2347 */ |
2348 if (new_topline < curwin->w_topline || always) | |
2349 curwin->w_topline = new_topline; | |
2350 if (curwin->w_topline > curwin->w_cursor.lnum) | |
2351 curwin->w_topline = curwin->w_cursor.lnum; | |
2352 #ifdef FEAT_DIFF | |
2353 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
2354 if (curwin->w_topfill > 0 && extra > off) | |
2355 { | |
2356 curwin->w_topfill -= extra - off; | |
2357 if (curwin->w_topfill < 0) | |
2358 curwin->w_topfill = 0; | |
2359 } | |
2360 check_topfill(curwin, FALSE); | |
2361 #endif | |
30677
a345ad853b08
patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2362 // TODO: if the line doesn't fit may optimize w_skipcol |
31329
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patch 9.0.0998: "gk" may reset skipcol when not needed
Bram Moolenaar <Bram@vim.org>
parents:
31319
diff
changeset
|
2363 if (curwin->w_topline == curwin->w_cursor.lnum |
5c83140aafc9
patch 9.0.0998: "gk" may reset skipcol when not needed
Bram Moolenaar <Bram@vim.org>
parents:
31319
diff
changeset
|
2364 && curwin->w_skipcol >= curwin->w_cursor.col) |
31115
b7834109fefe
patch 9.0.0892: may redraw when not needed
Bram Moolenaar <Bram@vim.org>
parents:
30946
diff
changeset
|
2365 reset_skipcol(); |
7 | 2366 if (curwin->w_topline != old_topline |
30677
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patch 9.0.0673: first line wong with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30675
diff
changeset
|
2367 || curwin->w_skipcol != old_skipcol |
7 | 2368 #ifdef FEAT_DIFF |
2369 || curwin->w_topfill != old_topfill | |
2370 #endif | |
2371 ) | |
2372 curwin->w_valid &= | |
2373 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
2374 curwin->w_valid |= VALID_TOPLINE; | |
2375 } | |
2376 } | |
2377 | |
2378 /* | |
2379 * Set w_empty_rows and w_filler_rows for window "wp", having used up "used" | |
2380 * screen lines for text lines. | |
2381 */ | |
2382 void | |
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commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2383 set_empty_rows(win_T *wp, int used) |
7 | 2384 { |
2385 #ifdef FEAT_DIFF | |
2386 wp->w_filler_rows = 0; | |
2387 #endif | |
2388 if (used == 0) | |
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parents:
18892
diff
changeset
|
2389 wp->w_empty_rows = 0; // single line that doesn't fit |
7 | 2390 else |
2391 { | |
2392 wp->w_empty_rows = wp->w_height - used; | |
2393 #ifdef FEAT_DIFF | |
2394 if (wp->w_botline <= wp->w_buffer->b_ml.ml_line_count) | |
2395 { | |
2396 wp->w_filler_rows = diff_check_fill(wp, wp->w_botline); | |
2397 if (wp->w_empty_rows > wp->w_filler_rows) | |
2398 wp->w_empty_rows -= wp->w_filler_rows; | |
2399 else | |
2400 { | |
2401 wp->w_filler_rows = wp->w_empty_rows; | |
2402 wp->w_empty_rows = 0; | |
2403 } | |
2404 } | |
2405 #endif | |
2406 } | |
2407 } | |
2408 | |
2409 /* | |
2410 * Recompute topline to put the cursor at the bottom of the window. | |
29239
da56650de132
patch 8.2.5138: various small issues
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parents:
29175
diff
changeset
|
2411 * When scrolling scroll at least "min_scroll" lines. |
7 | 2412 * If "set_topbot" is TRUE, set topline and botline first (for "zb"). |
2413 * This is messy stuff!!! | |
2414 */ | |
2415 void | |
7829
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commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2416 scroll_cursor_bot(int min_scroll, int set_topbot) |
7 | 2417 { |
2418 int used; | |
2419 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
|
2420 int min_scrolled = 1; |
7 | 2421 int extra = 0; |
2422 int i; | |
2423 linenr_T line_count; | |
2424 linenr_T old_topline = curwin->w_topline; | |
2425 lineoff_T loff; | |
2426 lineoff_T boff; | |
2427 #ifdef FEAT_DIFF | |
2428 int old_topfill = curwin->w_topfill; | |
2429 int fill_below_window; | |
2430 #endif | |
2431 linenr_T old_botline = curwin->w_botline; | |
2432 linenr_T old_valid = curwin->w_valid; | |
2433 int old_empty_rows = curwin->w_empty_rows; | |
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Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2434 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
|
2435 long so = get_scrolloff_value(); |
7 | 2436 |
2437 cln = curwin->w_cursor.lnum; | |
2438 if (set_topbot) | |
2439 { | |
2440 used = 0; | |
2441 curwin->w_botline = cln + 1; | |
2442 #ifdef FEAT_DIFF | |
2443 loff.fill = 0; | |
2444 #endif | |
2445 for (curwin->w_topline = curwin->w_botline; | |
2446 curwin->w_topline > 1; | |
2447 curwin->w_topline = loff.lnum) | |
2448 { | |
2449 loff.lnum = curwin->w_topline; | |
2450 topline_back(&loff); | |
2082
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2451 if (loff.height == MAXCOL || used + loff.height > curwin->w_height) |
7 | 2452 break; |
2453 used += loff.height; | |
2454 #ifdef FEAT_DIFF | |
2455 curwin->w_topfill = loff.fill; | |
2456 #endif | |
2457 } | |
2458 set_empty_rows(curwin, used); | |
2459 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; | |
2460 if (curwin->w_topline != old_topline | |
2461 #ifdef FEAT_DIFF | |
2462 || curwin->w_topfill != old_topfill | |
2463 #endif | |
2464 ) | |
2465 curwin->w_valid &= ~(VALID_WROW|VALID_CROW); | |
2466 } | |
2467 else | |
2468 validate_botline(); | |
2469 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2470 // The lines of the cursor line itself are always used. |
7 | 2471 #ifdef FEAT_DIFF |
2472 used = plines_nofill(cln); | |
2473 #else | |
2474 validate_cheight(); | |
2475 used = curwin->w_cline_height; | |
2476 #endif | |
2477 | |
31148
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2478 // If the cursor is on or below botline, we will at least scroll by the |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2479 // height of the cursor line, which is "used". Correct for empty lines, |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2480 // which are really part of botline. |
7 | 2481 if (cln >= curwin->w_botline) |
2482 { | |
2483 scrolled = used; | |
2484 if (cln == curwin->w_botline) | |
2485 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
|
2486 min_scrolled = scrolled; |
31148
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2487 if (curwin->w_p_sms && curwin->w_p_wrap) |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2488 { |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2489 // 'smoothscroll' and 'wrap' are set |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2490 if (cln > curwin->w_botline) |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2491 // add screen lines below w_botline |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2492 for (linenr_T lnum = curwin->w_botline + 1; lnum <= cln; ++lnum) |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2493 min_scrolled += PLINES_NOFILL(lnum); |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2494 |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2495 // Calculate how many screen lines the current top line of window |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2496 // occupies. If it is occupying more than the entire window, we |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2497 // need to scroll the additional clipped lines to scroll past the |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2498 // top line before we can move on to the other lines. |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2499 int top_plines = |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2500 #ifdef FEAT_DIFF |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2501 plines_win_nofill |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2502 #else |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2503 plines_win |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2504 #endif |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2505 (curwin, curwin->w_topline, FALSE); |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2506 int skip_lines = 0; |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2507 int width1 = curwin->w_width - curwin_col_off(); |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2508 int width2 = width1 + curwin_col_off2(); |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2509 // similar formula is used in curs_columns() |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2510 if (curwin->w_skipcol > width1) |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2511 skip_lines += (curwin->w_skipcol - width1) / width2 + 1; |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2512 else if (curwin->w_skipcol > 0) |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2513 skip_lines = 1; |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2514 |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2515 top_plines -= skip_lines; |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2516 if (top_plines > curwin->w_height) |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2517 { |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2518 scrolled += (top_plines - curwin->w_height); |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2519 min_scrolled += (top_plines - curwin->w_height); |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
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31140
diff
changeset
|
2520 } |
69cea3380d9a
patch 9.0.0908: with 'smoothscroll' cursor may end up in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
31140
diff
changeset
|
2521 } |
7 | 2522 } |
2523 | |
2524 /* | |
2525 * Stop counting lines to scroll when | |
2526 * - hitting start of the file | |
2527 * - 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
|
2528 * - at least 'scrolloff' lines below the cursor |
7 | 2529 * - lines between botline and cursor have been counted |
2530 */ | |
2531 #ifdef FEAT_FOLDING | |
2532 if (!hasFolding(curwin->w_cursor.lnum, &loff.lnum, &boff.lnum)) | |
2533 #endif | |
2534 { | |
2535 loff.lnum = cln; | |
2536 boff.lnum = cln; | |
2537 } | |
2538 #ifdef FEAT_DIFF | |
2539 loff.fill = 0; | |
2540 boff.fill = 0; | |
2541 fill_below_window = diff_check_fill(curwin, curwin->w_botline) | |
2542 - curwin->w_filler_rows; | |
2543 #endif | |
2544 | |
2545 while (loff.lnum > 1) | |
2546 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2547 // 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
|
2548 // context for 'scrolloff' and counted all lines below the window. |
7 | 2549 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
|
2550 && extra >= (mouse_dragging > 0 ? mouse_dragging - 1 : so)) |
7 | 2551 || boff.lnum + 1 > curbuf->b_ml.ml_line_count) |
2552 && loff.lnum <= curwin->w_botline | |
2553 #ifdef FEAT_DIFF | |
2554 && (loff.lnum < curwin->w_botline | |
2555 || loff.fill >= fill_below_window) | |
2556 #endif | |
2557 ) | |
2558 break; | |
2559 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2560 // Add one line above |
7 | 2561 topline_back(&loff); |
2082
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2562 if (loff.height == MAXCOL) |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2563 used = MAXCOL; |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2564 else |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2565 used += loff.height; |
7 | 2566 if (used > curwin->w_height) |
2567 break; | |
2568 if (loff.lnum >= curwin->w_botline | |
2569 #ifdef FEAT_DIFF | |
2570 && (loff.lnum > curwin->w_botline | |
2571 || loff.fill <= fill_below_window) | |
2572 #endif | |
2573 ) | |
2574 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2575 // Count screen lines that are below the window. |
7 | 2576 scrolled += loff.height; |
2577 if (loff.lnum == curwin->w_botline | |
2578 #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
|
2579 && loff.fill == 0 |
7 | 2580 #endif |
2581 ) | |
2582 scrolled -= curwin->w_empty_rows; | |
2583 } | |
2584 | |
2585 if (boff.lnum < curbuf->b_ml.ml_line_count) | |
2586 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2587 // Add one line below |
7 | 2588 botline_forw(&boff); |
2589 used += boff.height; | |
2590 if (used > curwin->w_height) | |
2591 break; | |
18354
9f51d0cef8da
patch 8.1.2171: mouse support not always available
Bram Moolenaar <Bram@vim.org>
parents:
17863
diff
changeset
|
2592 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
|
2593 || scrolled < min_scroll) |
7 | 2594 { |
2595 extra += boff.height; | |
2596 if (boff.lnum >= curwin->w_botline | |
2597 #ifdef FEAT_DIFF | |
2598 || (boff.lnum + 1 == curwin->w_botline | |
2599 && boff.fill > curwin->w_filler_rows) | |
2600 #endif | |
2601 ) | |
2602 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2603 // Count screen lines that are below the window. |
7 | 2604 scrolled += boff.height; |
2605 if (boff.lnum == curwin->w_botline | |
2606 #ifdef FEAT_DIFF | |
2607 && boff.fill == 0 | |
2608 #endif | |
2609 ) | |
2610 scrolled -= curwin->w_empty_rows; | |
2611 } | |
2612 } | |
2613 } | |
2614 } | |
2615 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2616 // curwin->w_empty_rows is larger, no need to scroll |
7 | 2617 if (scrolled <= 0) |
2618 line_count = 0; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2619 // more than a screenfull, don't scroll but redraw |
7 | 2620 else if (used > curwin->w_height) |
2621 line_count = used; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2622 // scroll minimal number of lines |
7 | 2623 else |
2624 { | |
2625 line_count = 0; | |
2626 #ifdef FEAT_DIFF | |
2627 boff.fill = curwin->w_topfill; | |
2628 #endif | |
2629 boff.lnum = curwin->w_topline - 1; | |
2630 for (i = 0; i < scrolled && boff.lnum < curwin->w_botline; ) | |
2631 { | |
2632 botline_forw(&boff); | |
2633 i += boff.height; | |
2634 ++line_count; | |
2635 } | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2636 if (i < scrolled) // below curwin->w_botline, don't scroll |
7 | 2637 line_count = 9999; |
2638 } | |
2639 | |
2640 /* | |
2641 * Scroll up if the cursor is off the bottom of the screen a bit. | |
2642 * Otherwise put it at 1/2 of the screen. | |
2643 */ | |
2644 if (line_count >= curwin->w_height && line_count > min_scroll) | |
2645 scroll_cursor_halfway(FALSE); | |
2646 else | |
30675
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2647 { |
30946
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2648 // 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
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diff
changeset
|
2649 // unless it would move the cursor. |
1819fe895aea
patch 9.0.0807: with 'smoothscroll' typing "0" may not go to the first column
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diff
changeset
|
2650 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>
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diff
changeset
|
2651 && (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:
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diff
changeset
|
2652 || (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:
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diff
changeset
|
2653 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
|
2654 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
|
2655 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:
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diff
changeset
|
2656 { |
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
|
2657 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
|
2658 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
|
2659 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
|
2660 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
|
2661 } |
30675
bc48f3752d8d
patch 9.0.0672: line partly shows with 'smoothscroll' and 'scrolloff' zero
Bram Moolenaar <Bram@vim.org>
parents:
30673
diff
changeset
|
2662 } |
7 | 2663 |
2664 /* | |
2665 * If topline didn't change we need to restore w_botline and w_empty_rows | |
2666 * (we changed them). | |
2667 * If topline did change, update_screen() will set botline. | |
2668 */ | |
2669 if (curwin->w_topline == old_topline && set_topbot) | |
2670 { | |
2671 curwin->w_botline = old_botline; | |
2672 curwin->w_empty_rows = old_empty_rows; | |
2673 curwin->w_valid = old_valid; | |
2674 } | |
2675 curwin->w_valid |= VALID_TOPLINE; | |
2676 } | |
2677 | |
2678 /* | |
2679 * Recompute topline to put the cursor halfway the window | |
2680 * If "atend" is TRUE, also put it halfway at the end of the file. | |
2681 */ | |
2682 void | |
7829
2a8d6b2dd925
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2683 scroll_cursor_halfway(int atend) |
7 | 2684 { |
2685 int above = 0; | |
2686 linenr_T topline; | |
2687 #ifdef FEAT_DIFF | |
2688 int topfill = 0; | |
2689 #endif | |
2690 int below = 0; | |
2691 int used; | |
2692 lineoff_T loff; | |
2693 lineoff_T boff; | |
5661 | 2694 #ifdef FEAT_DIFF |
5653 | 2695 linenr_T old_topline = curwin->w_topline; |
5661 | 2696 #endif |
7 | 2697 |
22403
3351d2cd3f1f
patch 8.2.1750: popup_setoptions() setting firstline fails if cursorline set
Bram Moolenaar <Bram@vim.org>
parents:
21321
diff
changeset
|
2698 #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
|
2699 // 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
|
2700 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
|
2701 #endif |
7 | 2702 loff.lnum = boff.lnum = curwin->w_cursor.lnum; |
2703 #ifdef FEAT_FOLDING | |
2704 (void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum); | |
2705 #endif | |
2706 #ifdef FEAT_DIFF | |
2707 used = plines_nofill(loff.lnum); | |
2708 loff.fill = 0; | |
2709 boff.fill = 0; | |
2710 #else | |
2711 used = plines(loff.lnum); | |
2712 #endif | |
2713 topline = loff.lnum; | |
2714 while (topline > 1) | |
2715 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2716 if (below <= above) // add a line below the cursor first |
7 | 2717 { |
2718 if (boff.lnum < curbuf->b_ml.ml_line_count) | |
2719 { | |
2720 botline_forw(&boff); | |
2721 used += boff.height; | |
2722 if (used > curwin->w_height) | |
2723 break; | |
2724 below += boff.height; | |
2725 } | |
2726 else | |
2727 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2728 ++below; // count a "~" line |
7 | 2729 if (atend) |
2730 ++used; | |
2731 } | |
2732 } | |
2733 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2734 if (below > above) // add a line above the cursor |
7 | 2735 { |
2736 topline_back(&loff); | |
2082
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2737 if (loff.height == MAXCOL) |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2738 used = MAXCOL; |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2739 else |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
2740 used += loff.height; |
7 | 2741 if (used > curwin->w_height) |
2742 break; | |
2743 above += loff.height; | |
2744 topline = loff.lnum; | |
2745 #ifdef FEAT_DIFF | |
2746 topfill = loff.fill; | |
2747 #endif | |
2748 } | |
2749 } | |
2750 #ifdef FEAT_FOLDING | |
2751 if (!hasFolding(topline, &curwin->w_topline, NULL)) | |
2752 #endif | |
2753 curwin->w_topline = topline; | |
2754 #ifdef FEAT_DIFF | |
2755 curwin->w_topfill = topfill; | |
5653 | 2756 if (old_topline > curwin->w_topline + curwin->w_height) |
2757 curwin->w_botfill = FALSE; | |
7 | 2758 check_topfill(curwin, FALSE); |
2759 #endif | |
2760 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
2761 curwin->w_valid |= VALID_TOPLINE; | |
2762 } | |
2763 | |
2764 /* | |
2765 * 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
|
2766 * 'scrolloff' lines from the top and bottom, if possible. |
7 | 2767 * If not possible, put it at the same position as scroll_cursor_halfway(). |
2768 * When called topline must be valid! | |
2769 */ | |
2770 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2771 cursor_correct(void) |
7 | 2772 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2773 int above = 0; // screen lines above topline |
7 | 2774 linenr_T topline; |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2775 int below = 0; // screen lines below botline |
7 | 2776 linenr_T botline; |
2777 int above_wanted, below_wanted; | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2778 linenr_T cln; // Cursor Line Number |
7 | 2779 int max_off; |
28809
d0241e74bfdb
patch 8.2.4928: various white space and cosmetic mistakes
Bram Moolenaar <Bram@vim.org>
parents:
28782
diff
changeset
|
2780 long so = get_scrolloff_value(); |
7 | 2781 |
2782 /* | |
2783 * How many lines we would like to have above/below the cursor depends on | |
2784 * whether the first/last line of the file is on screen. | |
2785 */ | |
15713
ad8b2c109b22
patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents:
15697
diff
changeset
|
2786 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
|
2787 below_wanted = so; |
1121 | 2788 if (mouse_dragging > 0) |
7 | 2789 { |
2790 above_wanted = mouse_dragging - 1; | |
2791 below_wanted = mouse_dragging - 1; | |
2792 } | |
2793 if (curwin->w_topline == 1) | |
2794 { | |
2795 above_wanted = 0; | |
2796 max_off = curwin->w_height / 2; | |
2797 if (below_wanted > max_off) | |
2798 below_wanted = max_off; | |
2799 } | |
2800 validate_botline(); | |
2801 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
|
2802 && mouse_dragging == 0) |
7 | 2803 { |
2804 below_wanted = 0; | |
2805 max_off = (curwin->w_height - 1) / 2; | |
2806 if (above_wanted > max_off) | |
2807 above_wanted = max_off; | |
2808 } | |
2809 | |
2810 /* | |
2811 * If there are sufficient file-lines above and below the cursor, we can | |
2812 * return now. | |
2813 */ | |
2814 cln = curwin->w_cursor.lnum; | |
2815 if (cln >= curwin->w_topline + above_wanted | |
2816 && cln < curwin->w_botline - below_wanted | |
2817 #ifdef FEAT_FOLDING | |
2818 && !hasAnyFolding(curwin) | |
2819 #endif | |
2820 ) | |
2821 return; | |
2822 | |
30833
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2823 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
|
2824 { |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2825 // 'smoothscroll is active |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2826 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
|
2827 { |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2828 // The cursor line just fits in the window, don't scroll. |
31115
b7834109fefe
patch 9.0.0892: may redraw when not needed
Bram Moolenaar <Bram@vim.org>
parents:
30946
diff
changeset
|
2829 reset_skipcol(); |
30833
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2830 return; |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2831 } |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2832 // 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
|
2833 // w_skipcol. |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2834 } |
e3d5781c7ec6
patch 9.0.0751: 'scrolloff' does not work well with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
30823
diff
changeset
|
2835 |
7 | 2836 /* |
2837 * Narrow down the area where the cursor can be put by taking lines from | |
2838 * the top and the bottom until: | |
2839 * - the desired context lines are found | |
2840 * - the lines from the top is past the lines from the bottom | |
2841 */ | |
2842 topline = curwin->w_topline; | |
2843 botline = curwin->w_botline - 1; | |
2844 #ifdef FEAT_DIFF | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2845 // count filler lines as context |
7 | 2846 above = curwin->w_topfill; |
2847 below = curwin->w_filler_rows; | |
2848 #endif | |
2849 while ((above < above_wanted || below < below_wanted) && topline < botline) | |
2850 { | |
2851 if (below < below_wanted && (below <= above || above >= above_wanted)) | |
2852 { | |
2853 #ifdef FEAT_FOLDING | |
2854 if (hasFolding(botline, &botline, NULL)) | |
2855 ++below; | |
2856 else | |
2857 #endif | |
2858 below += plines(botline); | |
2859 --botline; | |
2860 } | |
2861 if (above < above_wanted && (above < below || below >= below_wanted)) | |
2862 { | |
2863 #ifdef FEAT_FOLDING | |
2864 if (hasFolding(topline, NULL, &topline)) | |
2865 ++above; | |
2866 else | |
2867 #endif | |
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2868 above += PLINES_NOFILL(topline); |
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2869 #ifdef FEAT_DIFF |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2870 // Count filler lines below this line as context. |
7 | 2871 if (topline < botline) |
2872 above += diff_check_fill(curwin, topline + 1); | |
2873 #endif | |
2874 ++topline; | |
2875 } | |
2876 } | |
2877 if (topline == botline || botline == 0) | |
2878 curwin->w_cursor.lnum = topline; | |
2879 else if (topline > botline) | |
2880 curwin->w_cursor.lnum = botline; | |
2881 else | |
2882 { | |
2883 if (cln < topline && curwin->w_topline > 1) | |
2884 { | |
2885 curwin->w_cursor.lnum = topline; | |
2886 curwin->w_valid &= | |
2887 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW); | |
2888 } | |
2889 if (cln > botline && curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
2890 { | |
2891 curwin->w_cursor.lnum = botline; | |
2892 curwin->w_valid &= | |
2893 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW); | |
2894 } | |
2895 } | |
2896 curwin->w_valid |= VALID_TOPLINE; | |
2897 } | |
2898 | |
7803
37c929c4a073
commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents:
7103
diff
changeset
|
2899 static void get_scroll_overlap(lineoff_T *lp, int dir); |
7 | 2900 |
2901 /* | |
31140
a52697bcffa6
patch 9.0.0904: various comment and indent flaws
Bram Moolenaar <Bram@vim.org>
parents:
31131
diff
changeset
|
2902 * Move screen "count" pages up ("dir" is BACKWARD) or down ("dir" is FORWARD) |
a52697bcffa6
patch 9.0.0904: various comment and indent flaws
Bram Moolenaar <Bram@vim.org>
parents:
31131
diff
changeset
|
2903 * and update the screen. |
7 | 2904 * |
31131
8de082110e2d
patch 9.0.0900: cursor moves too far with 'smoothscroll'
Bram Moolenaar <Bram@vim.org>
parents:
31117
diff
changeset
|
2905 * Return FAIL for failure, OK otherwise. |
7 | 2906 */ |
2907 int | |
7829
2a8d6b2dd925
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2908 onepage(int dir, long count) |
7 | 2909 { |
2910 long n; | |
2911 int retval = OK; | |
2912 lineoff_T loff; | |
2913 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
|
2914 long so = get_scrolloff_value(); |
7 | 2915 |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2916 if (curbuf->b_ml.ml_line_count == 1) // nothing to do |
7 | 2917 { |
2918 beep_flush(); | |
2919 return FAIL; | |
2920 } | |
2921 | |
2922 for ( ; count > 0; --count) | |
2923 { | |
2924 validate_botline(); | |
2925 /* | |
2926 * It's an error to move a page up when the first line is already on | |
2927 * the screen. It's an error to move a page down when the last line | |
2928 * is on the screen and the topline is 'scrolloff' lines from the | |
2929 * last line. | |
2930 */ | |
2931 if (dir == FORWARD | |
15713
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patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
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15697
diff
changeset
|
2932 ? ((curwin->w_topline >= curbuf->b_ml.ml_line_count - so) |
7 | 2933 && curwin->w_botline > curbuf->b_ml.ml_line_count) |
2934 : (curwin->w_topline == 1 | |
2935 #ifdef FEAT_DIFF | |
2936 && curwin->w_topfill == | |
2937 diff_check_fill(curwin, curwin->w_topline) | |
2938 #endif | |
2939 )) | |
2940 { | |
2941 beep_flush(); | |
2942 retval = FAIL; | |
2943 break; | |
2944 } | |
2945 | |
2946 #ifdef FEAT_DIFF | |
2947 loff.fill = 0; | |
2948 #endif | |
2949 if (dir == FORWARD) | |
2950 { | |
10349
cf988222b150
commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660
Christian Brabandt <cb@256bit.org>
parents:
10295
diff
changeset
|
2951 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1) |
7 | 2952 { |
18931
80b40bd5ec1a
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Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2953 // Vi compatible scrolling |
164 | 2954 if (p_window <= 2) |
2955 ++curwin->w_topline; | |
2956 else | |
2957 curwin->w_topline += p_window - 2; | |
2958 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
2959 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
2960 curwin->w_cursor.lnum = curwin->w_topline; | |
2961 } | |
2962 else if (curwin->w_botline > curbuf->b_ml.ml_line_count) | |
2963 { | |
18931
80b40bd5ec1a
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Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2964 // at end of file |
7 | 2965 curwin->w_topline = curbuf->b_ml.ml_line_count; |
2966 #ifdef FEAT_DIFF | |
2967 curwin->w_topfill = 0; | |
2968 #endif | |
2969 curwin->w_valid &= ~(VALID_WROW|VALID_CROW); | |
2970 } | |
2971 else | |
2972 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2973 // For the overlap, start with the line just below the window |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2974 // and go upwards. |
7 | 2975 loff.lnum = curwin->w_botline; |
2976 #ifdef FEAT_DIFF | |
2977 loff.fill = diff_check_fill(curwin, loff.lnum) | |
2978 - curwin->w_filler_rows; | |
2979 #endif | |
2980 get_scroll_overlap(&loff, -1); | |
2981 curwin->w_topline = loff.lnum; | |
2982 #ifdef FEAT_DIFF | |
2983 curwin->w_topfill = loff.fill; | |
2984 check_topfill(curwin, FALSE); | |
2985 #endif | |
2986 curwin->w_cursor.lnum = curwin->w_topline; | |
2987 curwin->w_valid &= ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW| | |
2988 VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
2989 } | |
2990 } | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2991 else // dir == BACKWARDS |
7 | 2992 { |
2993 #ifdef FEAT_DIFF | |
2994 if (curwin->w_topline == 1) | |
2995 { | |
18931
80b40bd5ec1a
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Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2996 // Include max number of filler lines |
7 | 2997 max_topfill(); |
2998 continue; | |
2999 } | |
3000 #endif | |
10349
cf988222b150
commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660
Christian Brabandt <cb@256bit.org>
parents:
10295
diff
changeset
|
3001 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1) |
164 | 3002 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3003 // Vi compatible scrolling (sort of) |
164 | 3004 if (p_window <= 2) |
3005 --curwin->w_topline; | |
3006 else | |
3007 curwin->w_topline -= p_window - 2; | |
3008 if (curwin->w_topline < 1) | |
3009 curwin->w_topline = 1; | |
3010 curwin->w_cursor.lnum = curwin->w_topline + p_window - 1; | |
3011 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) | |
3012 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; | |
3013 continue; | |
3014 } | |
3015 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3016 // 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
|
3017 // 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
|
3018 // the same line as before doing CTRL-F. |
7 | 3019 loff.lnum = curwin->w_topline - 1; |
3020 #ifdef FEAT_DIFF | |
3021 loff.fill = diff_check_fill(curwin, loff.lnum + 1) | |
3022 - curwin->w_topfill; | |
3023 #endif | |
3024 get_scroll_overlap(&loff, 1); | |
3025 | |
3026 if (loff.lnum >= curbuf->b_ml.ml_line_count) | |
3027 { | |
3028 loff.lnum = curbuf->b_ml.ml_line_count; | |
3029 #ifdef FEAT_DIFF | |
3030 loff.fill = 0; | |
3031 } | |
3032 else | |
3033 { | |
3034 botline_topline(&loff); | |
3035 #endif | |
3036 } | |
3037 curwin->w_cursor.lnum = loff.lnum; | |
3038 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3039 // 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
|
3040 // at the bottom of the window. |
7 | 3041 n = 0; |
3042 while (n <= curwin->w_height && loff.lnum >= 1) | |
3043 { | |
3044 topline_back(&loff); | |
2082
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
3045 if (loff.height == MAXCOL) |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
3046 n = MAXCOL; |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
3047 else |
8ca3c9ad0bee
updated for version 7.2.366
Bram Moolenaar <bram@zimbu.org>
parents:
2070
diff
changeset
|
3048 n += loff.height; |
7 | 3049 } |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3050 if (loff.lnum < 1) // at begin of file |
7 | 3051 { |
3052 curwin->w_topline = 1; | |
3053 #ifdef FEAT_DIFF | |
3054 max_topfill(); | |
3055 #endif | |
3056 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
3057 } | |
3058 else | |
3059 { | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3060 // Go two lines forward again. |
7 | 3061 #ifdef FEAT_DIFF |
3062 topline_botline(&loff); | |
3063 #endif | |
3064 botline_forw(&loff); | |
3065 botline_forw(&loff); | |
3066 #ifdef FEAT_DIFF | |
3067 botline_topline(&loff); | |
3068 #endif | |
3069 #ifdef FEAT_FOLDING | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3070 // We're at the wrong end of a fold now. |
7 | 3071 (void)hasFolding(loff.lnum, &loff.lnum, NULL); |
3072 #endif | |
3073 | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3074 // Always scroll at least one line. Avoid getting stuck on |
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3075 // very long lines. |
7 | 3076 if (loff.lnum >= curwin->w_topline |
3077 #ifdef FEAT_DIFF | |
3078 && (loff.lnum > curwin->w_topline | |
3079 || loff.fill >= curwin->w_topfill) | |
3080 #endif | |
3081 ) | |
3082 { | |
3083 #ifdef FEAT_DIFF | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3084 // 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
|
3085 // that's not enough, backup one line. |
7 | 3086 loff.fill = curwin->w_topfill; |
3087 if (curwin->w_topfill < diff_check_fill(curwin, | |
3088 curwin->w_topline)) | |
3089 max_topfill(); | |
3090 if (curwin->w_topfill == loff.fill) | |
3091 #endif | |
3092 { | |
3093 --curwin->w_topline; | |
3094 #ifdef FEAT_DIFF | |
3095 curwin->w_topfill = 0; | |
3096 #endif | |
3097 } | |
3098 comp_botline(curwin); | |
3099 curwin->w_cursor.lnum = curwin->w_botline - 1; | |
5764 | 3100 curwin->w_valid &= |
3101 ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|VALID_CROW); | |
7 | 3102 } |
3103 else | |
3104 { | |
3105 curwin->w_topline = loff.lnum; | |
3106 #ifdef FEAT_DIFF | |
3107 curwin->w_topfill = loff.fill; | |
3108 check_topfill(curwin, FALSE); | |
3109 #endif | |
3110 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
3111 } | |
3112 } | |
3113 } | |
3114 } | |
3115 #ifdef FEAT_FOLDING | |
3116 foldAdjustCursor(); | |
3117 #endif | |
3118 cursor_correct(); | |
10102
b80ad55d62d8
commit https://github.com/vim/vim/commit/bc54f3f3fed4dc3556df8c46cee6739d211b0eb2
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
3119 check_cursor_col(); |
161 | 3120 if (retval == OK) |
3121 beginline(BL_SOL | BL_FIX); | |
7 | 3122 curwin->w_valid &= ~(VALID_WCOL|VALID_WROW|VALID_VIRTCOL); |
3123 | |
14317
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3124 if (retval == OK && dir == FORWARD) |
7 | 3125 { |
14317
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3126 // 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
|
3127 // 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
|
3128 // 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
|
3129 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
|
3130 { |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3131 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
|
3132 if (curwin->w_topline <= old_topline |
7 | 3133 && 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
|
3134 { |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3135 curwin->w_topline = old_topline + 1; |
7 | 3136 #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
|
3137 (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
|
3138 #endif |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3139 } |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3140 } |
1bc96dbb5498
patch 8.1.0174: after paging up and down fold line is wrong
Christian Brabandt <cb@256bit.org>
parents:
13384
diff
changeset
|
3141 #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
|
3142 else if (curwin->w_botline > curbuf->b_ml.ml_line_count) |
7 | 3143 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
3144 #endif | |
3145 } | |
3146 | |
29732
89e1d67814a9
patch 9.0.0206: redraw flags are not named specifically
Bram Moolenaar <Bram@vim.org>
parents:
29708
diff
changeset
|
3147 redraw_later(UPD_VALID); |
7 | 3148 return retval; |
3149 } | |
3150 | |
3151 /* | |
3152 * Decide how much overlap to use for page-up or page-down scrolling. | |
3153 * This is symmetric, so that doing both keeps the same lines displayed. | |
3154 * Three lines are examined: | |
3155 * | |
3156 * before CTRL-F after CTRL-F / before CTRL-B | |
3157 * etc. l1 | |
3158 * l1 last but one line ------------ | |
3159 * l2 last text line l2 top text line | |
3160 * ------------- l3 second text line | |
3161 * l3 etc. | |
3162 */ | |
3163 static void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3164 get_scroll_overlap(lineoff_T *lp, int dir) |
7 | 3165 { |
3166 int h1, h2, h3, h4; | |
3167 int min_height = curwin->w_height - 2; | |
3168 lineoff_T loff0, loff1, loff2; | |
3169 | |
3170 #ifdef FEAT_DIFF | |
3171 if (lp->fill > 0) | |
3172 lp->height = 1; | |
3173 else | |
3174 lp->height = plines_nofill(lp->lnum); | |
3175 #else | |
3176 lp->height = plines(lp->lnum); | |
3177 #endif | |
3178 h1 = lp->height; | |
3179 if (h1 > min_height) | |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3180 return; // no overlap |
7 | 3181 |
3182 loff0 = *lp; | |
3183 if (dir > 0) | |
3184 botline_forw(lp); | |
3185 else | |
3186 topline_back(lp); | |
3187 h2 = lp->height; | |
3968 | 3188 if (h2 == MAXCOL || h2 + h1 > min_height) |
7 | 3189 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3190 *lp = loff0; // no overlap |
7 | 3191 return; |
3192 } | |
3193 | |
3194 loff1 = *lp; | |
3195 if (dir > 0) | |
3196 botline_forw(lp); | |
3197 else | |
3198 topline_back(lp); | |
3199 h3 = lp->height; | |
3968 | 3200 if (h3 == MAXCOL || h3 + h2 > min_height) |
7 | 3201 { |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3202 *lp = loff0; // no overlap |
7 | 3203 return; |
3204 } | |
3205 | |
3206 loff2 = *lp; | |
3207 if (dir > 0) | |
3208 botline_forw(lp); | |
3209 else | |
3210 topline_back(lp); | |
3211 h4 = lp->height; | |
3968 | 3212 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
|
3213 *lp = loff1; // 1 line overlap |
7 | 3214 else |
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
3215 *lp = loff2; // 2 lines overlap |
7 | 3216 } |
3217 | |
3218 /* | |
3219 * Scroll 'scroll' lines up or down. | |
3220 */ | |
3221 void | |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3222 halfpage(int flag, linenr_T Prenum) |
7 | 3223 { |
3224 long scrolled = 0; | |
3225 int i; | |
3226 int n; | |
3227 int room; | |
3228 | |
3229 if (Prenum) | |
3230 curwin->w_p_scr = (Prenum > curwin->w_height) ? | |
3231 curwin->w_height : Prenum; | |
3232 n = (curwin->w_p_scr <= curwin->w_height) ? | |
3233 curwin->w_p_scr : curwin->w_height; | |
3234 | |
11258
84f71a8a5f2c
patch 8.0.0515: ml_get errors in silent Ex mode
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
3235 update_topline(); |
7 | 3236 validate_botline(); |
3237 room = curwin->w_empty_rows; | |
3238 #ifdef FEAT_DIFF | |
3239 room += curwin->w_filler_rows; | |
3240 #endif | |
3241 if (flag) | |
3242 { | |
3243 /* | |
3244 * scroll the text up | |
3245 */ | |
3246 while (n > 0 && curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
3247 { | |
3248 #ifdef FEAT_DIFF | |
3249 if (curwin->w_topfill > 0) | |
3250 { | |
3251 i = 1; | |
21321
1421eca61db9
patch 8.2.1211: removed more than dead code
Bram Moolenaar <Bram@vim.org>
parents:
21134
diff
changeset
|
3252 --n; |
7 | 3253 --curwin->w_topfill; |
3254 } | |
3255 else | |
3256 #endif | |
3257 { | |
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
3258 i = PLINES_NOFILL(curwin->w_topline); |
7 | 3259 n -= i; |
3260 if (n < 0 && scrolled > 0) | |
3261 break; | |
3262 #ifdef FEAT_FOLDING | |
3263 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline); | |
3264 #endif | |
3265 ++curwin->w_topline; | |
3266 #ifdef FEAT_DIFF | |
3267 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
3268 #endif | |
3269 | |
3270 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) | |
3271 { | |
3272 ++curwin->w_cursor.lnum; | |
3273 curwin->w_valid &= | |
3274 ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL); | |
3275 } | |
3276 } | |
3277 curwin->w_valid &= ~(VALID_CROW|VALID_WROW); | |
3278 scrolled += i; | |
3279 | |
3280 /* | |
3281 * Correct w_botline for changed w_topline. | |
3282 * Won't work when there are filler lines. | |
3283 */ | |
3284 #ifdef FEAT_DIFF | |
3285 if (curwin->w_p_diff) | |
3286 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
3287 else | |
3288 #endif | |
3289 { | |
3290 room += i; | |
3291 do | |
3292 { | |
3293 i = plines(curwin->w_botline); | |
3294 if (i > room) | |
3295 break; | |
3296 #ifdef FEAT_FOLDING | |
3297 (void)hasFolding(curwin->w_botline, NULL, | |
3298 &curwin->w_botline); | |
3299 #endif | |
3300 ++curwin->w_botline; | |
3301 room -= i; | |
3302 } while (curwin->w_botline <= curbuf->b_ml.ml_line_count); | |
3303 } | |
3304 } | |
3305 | |
3306 /* | |
3307 * When hit bottom of the file: move cursor down. | |
3308 */ | |
3309 if (n > 0) | |
3310 { | |
3311 # ifdef FEAT_FOLDING | |
3312 if (hasAnyFolding(curwin)) | |
3313 { | |
3314 while (--n >= 0 | |
3315 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) | |
3316 { | |
3317 (void)hasFolding(curwin->w_cursor.lnum, NULL, | |
3318 &curwin->w_cursor.lnum); | |
3319 ++curwin->w_cursor.lnum; | |
3320 } | |
3321 } | |
3322 else | |
3323 # endif | |
3324 curwin->w_cursor.lnum += n; | |
3325 check_cursor_lnum(); | |
3326 } | |
3327 } | |
3328 else | |
3329 { | |
3330 /* | |
3331 * scroll the text down | |
3332 */ | |
3333 while (n > 0 && curwin->w_topline > 1) | |
3334 { | |
3335 #ifdef FEAT_DIFF | |
3336 if (curwin->w_topfill < diff_check_fill(curwin, curwin->w_topline)) | |
3337 { | |
3338 i = 1; | |
16042
7952be788a49
patch 8.1.1026: unused condition
Bram Moolenaar <Bram@vim.org>
parents:
15713
diff
changeset
|
3339 --n; |
7 | 3340 ++curwin->w_topfill; |
3341 } | |
3342 else | |
3343 #endif | |
3344 { | |
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
3345 i = PLINES_NOFILL(curwin->w_topline - 1); |
7 | 3346 n -= i; |
3347 if (n < 0 && scrolled > 0) | |
3348 break; | |
3349 --curwin->w_topline; | |
3350 #ifdef FEAT_FOLDING | |
3351 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); | |
3352 #endif | |
3353 #ifdef FEAT_DIFF | |
3354 curwin->w_topfill = 0; | |
3355 #endif | |
3356 } | |
3357 curwin->w_valid &= ~(VALID_CROW|VALID_WROW| | |
3358 VALID_BOTLINE|VALID_BOTLINE_AP); | |
3359 scrolled += i; | |
3360 if (curwin->w_cursor.lnum > 1) | |
3361 { | |
3362 --curwin->w_cursor.lnum; | |
3363 curwin->w_valid &= ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL); | |
3364 } | |
3365 } | |
16042
7952be788a49
patch 8.1.1026: unused condition
Bram Moolenaar <Bram@vim.org>
parents:
15713
diff
changeset
|
3366 |
7 | 3367 /* |
3368 * When hit top of the file: move cursor up. | |
3369 */ | |
3370 if (n > 0) | |
3371 { | |
3372 if (curwin->w_cursor.lnum <= (linenr_T)n) | |
3373 curwin->w_cursor.lnum = 1; | |
3374 else | |
3375 # ifdef FEAT_FOLDING | |
3376 if (hasAnyFolding(curwin)) | |
3377 { | |
3378 while (--n >= 0 && curwin->w_cursor.lnum > 1) | |
3379 { | |
3380 --curwin->w_cursor.lnum; | |
3381 (void)hasFolding(curwin->w_cursor.lnum, | |
3382 &curwin->w_cursor.lnum, NULL); | |
3383 } | |
3384 } | |
3385 else | |
3386 # endif | |
3387 curwin->w_cursor.lnum -= n; | |
3388 } | |
3389 } | |
3390 # ifdef FEAT_FOLDING | |
18931
80b40bd5ec1a
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parents:
18892
diff
changeset
|
3391 // Move cursor to first line of closed fold. |
7 | 3392 foldAdjustCursor(); |
3393 # endif | |
3394 #ifdef FEAT_DIFF | |
3395 check_topfill(curwin, !flag); | |
3396 #endif | |
3397 cursor_correct(); | |
3398 beginline(BL_SOL | BL_FIX); | |
29732
89e1d67814a9
patch 9.0.0206: redraw flags are not named specifically
Bram Moolenaar <Bram@vim.org>
parents:
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diff
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|
3399 redraw_later(UPD_VALID); |
7 | 3400 } |
2250
1bac28a53fae
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diff
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|
3401 |
1bac28a53fae
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diff
changeset
|
3402 void |
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
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7803
diff
changeset
|
3403 do_check_cursorbind(void) |
2250
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Add the conceal patch from Vince Negri.
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|
3404 { |
1bac28a53fae
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diff
changeset
|
3405 linenr_T line = curwin->w_cursor.lnum; |
3415 | 3406 colnr_T col = curwin->w_cursor.col; |
3407 colnr_T coladd = curwin->w_cursor.coladd; | |
3433 | 3408 colnr_T curswant = curwin->w_curswant; |
3409 int set_curswant = curwin->w_set_curswant; | |
2250
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Add the conceal patch from Vince Negri.
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diff
changeset
|
3410 win_T *old_curwin = curwin; |
1bac28a53fae
Add the conceal patch from Vince Negri.
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diff
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|
3411 buf_T *old_curbuf = curbuf; |
2693 | 3412 int restart_edit_save; |
2250
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Add the conceal patch from Vince Negri.
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diff
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|
3413 int old_VIsual_select = VIsual_select; |
1bac28a53fae
Add the conceal patch from Vince Negri.
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diff
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|
3414 int old_VIsual_active = VIsual_active; |
1bac28a53fae
Add the conceal patch from Vince Negri.
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diff
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|
3415 |
1bac28a53fae
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diff
changeset
|
3416 /* |
1bac28a53fae
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diff
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|
3417 * loop through the cursorbound windows |
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
3418 */ |
1bac28a53fae
Add the conceal patch from Vince Negri.
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diff
changeset
|
3419 VIsual_select = VIsual_active = 0; |
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
8643
diff
changeset
|
3420 FOR_ALL_WINDOWS(curwin) |
2250
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Add the conceal patch from Vince Negri.
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|
3421 { |
1bac28a53fae
Add the conceal patch from Vince Negri.
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diff
changeset
|
3422 curbuf = curwin->w_buffer; |
18931
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|
3423 // skip original window and windows with 'noscrollbind' |
2250
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diff
changeset
|
3424 if (curwin != old_curwin && curwin->w_p_crb) |
1bac28a53fae
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diff
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|
3425 { |
1bac28a53fae
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diff
changeset
|
3426 # ifdef FEAT_DIFF |
1bac28a53fae
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diff
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|
3427 if (curwin->w_p_diff) |
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10102
diff
changeset
|
3428 curwin->w_cursor.lnum = |
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
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10102
diff
changeset
|
3429 diff_get_corresponding_line(old_curbuf, line); |
2250
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diff
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|
3430 else |
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diff
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|
3431 # endif |
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|
3432 curwin->w_cursor.lnum = line; |
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|
3433 curwin->w_cursor.col = col; |
3415 | 3434 curwin->w_cursor.coladd = coladd; |
3433 | 3435 curwin->w_curswant = curswant; |
3436 curwin->w_set_curswant = set_curswant; | |
2250
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3437 |
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|
3438 // Make sure the cursor is in a valid position. Temporarily set |
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diff
changeset
|
3439 // "restart_edit" to allow the cursor to be beyond the EOL. |
2693 | 3440 restart_edit_save = restart_edit; |
3441 restart_edit = TRUE; | |
2250
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|
3442 check_cursor(); |
29275
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|
3443 |
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|
3444 // Avoid a scroll here for the cursor position, 'scrollbind' is |
281509f1417b
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|
3445 // more important. |
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|
3446 if (!curwin->w_p_scb) |
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|
3447 validate_cursor(); |
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|
3448 |
2693 | 3449 restart_edit = restart_edit_save; |
18931
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|
3450 // Correct cursor for multi-byte character. |
2250
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|
3451 if (has_mbyte) |
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|
3452 mb_adjust_cursor(); |
29732
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|
3453 redraw_later(UPD_VALID); |
2250
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3454 |
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|
3455 // Only scroll when 'scrollbind' hasn't done this. |
2688 | 3456 if (!curwin->w_p_scb) |
3457 update_topline(); | |
2250
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3458 curwin->w_redr_status = TRUE; |
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|
3459 } |
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|
3460 } |
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|
3461 |
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|
3462 /* |
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|
3463 * reset current-window |
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|
3464 */ |
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|
3465 VIsual_select = old_VIsual_select; |
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|
3466 VIsual_active = old_VIsual_active; |
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|
3467 curwin = old_curwin; |
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|
3468 curbuf = old_curbuf; |
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|
3469 } |