Mercurial > vim
annotate src/move.c @ 27352:2bec1976362c v8.2.4204
patch 8.2.4204: screenpos() has non-zero row for invisible text
Commit: https://github.com/vim/vim/commit/7924a17791217d50be5a91989a9641bf68e7a735
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Jan 24 16:15:15 2022 +0000
patch 8.2.4204: screenpos() has non-zero row for invisible text
Problem: screenpos() has non-zero row for invisible text.
Solution: Only add the window row when the text is visible. (closes https://github.com/vim/vim/issues/9618)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 24 Jan 2022 17:30:05 +0100 |
| parents | fc859aea8cec |
| children | d3ed8b1a7bde |
| rev | line source |
|---|---|
|
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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 /* | |
| 39 * Compute wp->w_botline for the current wp->w_topline. Can be called after | |
| 40 * wp->w_topline changed. | |
| 41 */ | |
| 42 static void | |
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43 comp_botline(win_T *wp) |
| 7 | 44 { |
| 45 int n; | |
| 46 linenr_T lnum; | |
| 47 int done; | |
| 48 #ifdef FEAT_FOLDING | |
| 49 linenr_T last; | |
| 50 int folded; | |
| 51 #endif | |
| 52 | |
| 53 /* | |
| 54 * If w_cline_row is valid, start there. | |
| 55 * Otherwise have to start at w_topline. | |
| 56 */ | |
| 57 check_cursor_moved(wp); | |
| 58 if (wp->w_valid & VALID_CROW) | |
| 59 { | |
| 60 lnum = wp->w_cursor.lnum; | |
| 61 done = wp->w_cline_row; | |
| 62 } | |
| 63 else | |
| 64 { | |
| 65 lnum = wp->w_topline; | |
| 66 done = 0; | |
| 67 } | |
| 68 | |
| 69 for ( ; lnum <= wp->w_buffer->b_ml.ml_line_count; ++lnum) | |
| 70 { | |
| 71 #ifdef FEAT_FOLDING | |
| 72 last = lnum; | |
| 73 folded = FALSE; | |
| 74 if (hasFoldingWin(wp, lnum, NULL, &last, TRUE, NULL)) | |
| 75 { | |
| 76 n = 1; | |
| 77 folded = TRUE; | |
| 78 } | |
| 79 else | |
| 80 #endif | |
| 81 #ifdef FEAT_DIFF | |
| 82 if (lnum == wp->w_topline) | |
| 83 n = plines_win_nofill(wp, lnum, TRUE) + wp->w_topfill; | |
| 84 else | |
| 85 #endif | |
| 86 n = plines_win(wp, lnum, TRUE); | |
| 87 if ( | |
| 88 #ifdef FEAT_FOLDING | |
| 89 lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum | |
| 90 #else | |
| 91 lnum == wp->w_cursor.lnum | |
| 92 #endif | |
| 93 ) | |
| 94 { | |
| 95 wp->w_cline_row = done; | |
| 96 wp->w_cline_height = n; | |
| 97 #ifdef FEAT_FOLDING | |
| 98 wp->w_cline_folded = folded; | |
| 99 #endif | |
| 5764 | 100 redraw_for_cursorline(wp); |
| 7 | 101 wp->w_valid |= (VALID_CROW|VALID_CHEIGHT); |
| 102 } | |
| 103 if (done + n > wp->w_height) | |
| 104 break; | |
| 105 done += n; | |
| 106 #ifdef FEAT_FOLDING | |
| 107 lnum = last; | |
| 108 #endif | |
| 109 } | |
| 110 | |
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111 // wp->w_botline is the line that is just below the window |
| 7 | 112 wp->w_botline = lnum; |
| 113 wp->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; | |
| 114 | |
| 115 set_empty_rows(wp, done); | |
| 116 } | |
| 117 | |
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118 #ifdef FEAT_SYN_HL |
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119 void |
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120 reset_cursorline(void) |
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121 { |
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122 curwin->w_last_cursorline = 0; |
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123 } |
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124 #endif |
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125 |
| 7 | 126 /* |
| 5764 | 127 * Redraw when w_cline_row changes and 'relativenumber' or 'cursorline' is |
| 128 * set. | |
| 129 */ | |
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130 void |
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131 redraw_for_cursorline(win_T *wp) |
| 5764 | 132 { |
| 133 if ((wp->w_p_rnu | |
| 134 #ifdef FEAT_SYN_HL | |
| 135 || wp->w_p_cul | |
| 136 #endif | |
| 137 ) | |
| 138 && (wp->w_valid & VALID_CROW) == 0 | |
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139 && !pum_visible()) |
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140 { |
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141 if (wp->w_p_rnu) |
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142 // win_line() will redraw the number column only. |
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143 redraw_win_later(wp, VALID); |
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144 #ifdef FEAT_SYN_HL |
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145 if (wp->w_p_cul) |
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146 { |
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147 if (wp->w_redr_type <= VALID && wp->w_last_cursorline != 0) |
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148 { |
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149 // "w_last_cursorline" may be outdated, worst case we redraw |
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150 // too much. This is optimized for moving the cursor around in |
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151 // the current window. |
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152 redrawWinline(wp, wp->w_last_cursorline); |
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153 redrawWinline(wp, wp->w_cursor.lnum); |
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154 } |
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155 else |
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156 redraw_win_later(wp, SOME_VALID); |
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157 } |
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158 #endif |
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159 } |
| 5764 | 160 } |
| 161 | |
| 162 /* | |
| 7 | 163 * Update curwin->w_topline and redraw if necessary. |
| 164 * Used to update the screen before printing a message. | |
| 165 */ | |
| 166 void | |
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167 update_topline_redraw(void) |
| 7 | 168 { |
| 169 update_topline(); | |
| 170 if (must_redraw) | |
| 171 update_screen(0); | |
| 172 } | |
| 173 | |
| 174 /* | |
| 175 * Update curwin->w_topline to move the cursor onto the screen. | |
| 176 */ | |
| 177 void | |
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178 update_topline(void) |
| 7 | 179 { |
| 180 long line_count; | |
| 181 int halfheight; | |
| 182 int n; | |
| 183 linenr_T old_topline; | |
| 184 #ifdef FEAT_DIFF | |
| 185 int old_topfill; | |
| 186 #endif | |
| 187 #ifdef FEAT_FOLDING | |
| 188 linenr_T lnum; | |
| 189 #endif | |
| 190 int check_topline = FALSE; | |
| 191 int check_botline = FALSE; | |
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192 long *so_ptr = curwin->w_p_so >= 0 ? &curwin->w_p_so : &p_so; |
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193 int save_so = *so_ptr; |
| 7 | 194 |
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195 // If there is no valid screen and when the window height is zero just use |
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196 // the cursor line. |
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197 if (!screen_valid(TRUE) || curwin->w_height == 0) |
| 6247 | 198 { |
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199 check_cursor_lnum(); |
| 6247 | 200 curwin->w_topline = curwin->w_cursor.lnum; |
| 201 curwin->w_botline = curwin->w_topline; | |
| 202 curwin->w_scbind_pos = 1; | |
| 203 return; | |
| 204 } | |
| 205 | |
| 7 | 206 check_cursor_moved(curwin); |
| 207 if (curwin->w_valid & VALID_TOPLINE) | |
| 208 return; | |
| 209 | |
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210 // When dragging with the mouse, don't scroll that quickly |
| 1121 | 211 if (mouse_dragging > 0) |
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212 *so_ptr = mouse_dragging - 1; |
| 7 | 213 |
| 214 old_topline = curwin->w_topline; | |
| 215 #ifdef FEAT_DIFF | |
| 216 old_topfill = curwin->w_topfill; | |
| 217 #endif | |
| 218 | |
| 219 /* | |
| 220 * If the buffer is empty, always set topline to 1. | |
| 221 */ | |
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222 if (BUFEMPTY()) // special case - file is empty |
| 7 | 223 { |
| 224 if (curwin->w_topline != 1) | |
| 225 redraw_later(NOT_VALID); | |
| 226 curwin->w_topline = 1; | |
| 227 curwin->w_botline = 2; | |
| 228 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; | |
| 229 curwin->w_scbind_pos = 1; | |
| 230 } | |
| 231 | |
| 232 /* | |
| 233 * If the cursor is above or near the top of the window, scroll the window | |
| 234 * to show the line the cursor is in, with 'scrolloff' context. | |
| 235 */ | |
| 236 else | |
| 237 { | |
| 238 if (curwin->w_topline > 1) | |
| 239 { | |
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240 // If the cursor is above topline, scrolling is always needed. |
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241 // If the cursor is far below topline and there is no folding, |
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242 // scrolling down is never needed. |
| 7 | 243 if (curwin->w_cursor.lnum < curwin->w_topline) |
| 244 check_topline = TRUE; | |
| 245 else if (check_top_offset()) | |
| 246 check_topline = TRUE; | |
| 247 } | |
| 248 #ifdef FEAT_DIFF | |
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249 // Check if there are more filler lines than allowed. |
| 7 | 250 if (!check_topline && curwin->w_topfill > diff_check_fill(curwin, |
| 251 curwin->w_topline)) | |
| 252 check_topline = TRUE; | |
| 253 #endif | |
| 254 | |
| 255 if (check_topline) | |
| 256 { | |
| 257 halfheight = curwin->w_height / 2 - 1; | |
| 258 if (halfheight < 2) | |
| 259 halfheight = 2; | |
| 260 | |
| 261 #ifdef FEAT_FOLDING | |
| 262 if (hasAnyFolding(curwin)) | |
| 263 { | |
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264 // Count the number of logical lines between the cursor and |
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265 // topline + scrolloff (approximation of how much will be |
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266 // scrolled). |
| 7 | 267 n = 0; |
| 268 for (lnum = curwin->w_cursor.lnum; | |
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269 lnum < curwin->w_topline + *so_ptr; ++lnum) |
| 7 | 270 { |
| 271 ++n; | |
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272 // stop at end of file or when we know we are far off |
| 7 | 273 if (lnum >= curbuf->b_ml.ml_line_count || n >= halfheight) |
| 274 break; | |
| 275 (void)hasFolding(lnum, NULL, &lnum); | |
| 276 } | |
| 277 } | |
| 278 else | |
| 279 #endif | |
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280 n = curwin->w_topline + *so_ptr - curwin->w_cursor.lnum; |
| 7 | 281 |
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282 // If we weren't very close to begin with, we scroll to put the |
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283 // cursor in the middle of the window. Otherwise put the cursor |
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284 // near the top of the window. |
| 7 | 285 if (n >= halfheight) |
| 286 scroll_cursor_halfway(FALSE); | |
| 287 else | |
| 288 { | |
| 532 | 289 scroll_cursor_top(scrolljump_value(), FALSE); |
| 7 | 290 check_botline = TRUE; |
| 291 } | |
| 292 } | |
| 293 | |
| 294 else | |
| 295 { | |
| 296 #ifdef FEAT_FOLDING | |
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297 // Make sure topline is the first line of a fold. |
| 7 | 298 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
| 299 #endif | |
| 300 check_botline = TRUE; | |
| 301 } | |
| 302 } | |
| 303 | |
| 304 /* | |
| 305 * If the cursor is below the bottom of the window, scroll the window | |
| 306 * to put the cursor on the window. | |
| 307 * When w_botline is invalid, recompute it first, to avoid a redraw later. | |
| 308 * If w_botline was approximated, we might need a redraw later in a few | |
| 309 * cases, but we don't want to spend (a lot of) time recomputing w_botline | |
| 310 * for every small change. | |
| 311 */ | |
| 312 if (check_botline) | |
| 313 { | |
| 314 if (!(curwin->w_valid & VALID_BOTLINE_AP)) | |
| 315 validate_botline(); | |
| 316 | |
| 317 if (curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
| 318 { | |
| 1744 | 319 if (curwin->w_cursor.lnum < curwin->w_botline) |
| 320 { | |
| 321 if (((long)curwin->w_cursor.lnum | |
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322 >= (long)curwin->w_botline - *so_ptr |
| 7 | 323 #ifdef FEAT_FOLDING |
| 324 || hasAnyFolding(curwin) | |
| 325 #endif | |
| 326 )) | |
| 1744 | 327 { |
| 7 | 328 lineoff_T loff; |
| 329 | |
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330 // Cursor is (a few lines) above botline, check if there are |
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331 // 'scrolloff' window lines below the cursor. If not, need to |
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332 // scroll. |
| 7 | 333 n = curwin->w_empty_rows; |
| 334 loff.lnum = curwin->w_cursor.lnum; | |
| 335 #ifdef FEAT_FOLDING | |
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336 // In a fold go to its last line. |
| 7 | 337 (void)hasFolding(loff.lnum, NULL, &loff.lnum); |
| 338 #endif | |
| 339 #ifdef FEAT_DIFF | |
| 340 loff.fill = 0; | |
| 341 n += curwin->w_filler_rows; | |
| 342 #endif | |
| 343 loff.height = 0; | |
| 344 while (loff.lnum < curwin->w_botline | |
| 345 #ifdef FEAT_DIFF | |
| 346 && (loff.lnum + 1 < curwin->w_botline || loff.fill == 0) | |
| 347 #endif | |
| 348 ) | |
| 349 { | |
| 350 n += loff.height; | |
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351 if (n >= *so_ptr) |
| 7 | 352 break; |
| 353 botline_forw(&loff); | |
| 354 } | |
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355 if (n >= *so_ptr) |
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356 // sufficient context, no need to scroll |
| 7 | 357 check_botline = FALSE; |
| 1744 | 358 } |
| 359 else | |
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360 // sufficient context, no need to scroll |
| 1744 | 361 check_botline = FALSE; |
| 7 | 362 } |
| 363 if (check_botline) | |
| 364 { | |
| 365 #ifdef FEAT_FOLDING | |
| 366 if (hasAnyFolding(curwin)) | |
| 367 { | |
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368 // Count the number of logical lines between the cursor and |
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369 // botline - scrolloff (approximation of how much will be |
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370 // scrolled). |
| 7 | 371 line_count = 0; |
| 372 for (lnum = curwin->w_cursor.lnum; | |
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373 lnum >= curwin->w_botline - *so_ptr; --lnum) |
| 7 | 374 { |
| 375 ++line_count; | |
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376 // stop at end of file or when we know we are far off |
| 7 | 377 if (lnum <= 0 || line_count > curwin->w_height + 1) |
| 378 break; | |
| 379 (void)hasFolding(lnum, &lnum, NULL); | |
| 380 } | |
| 381 } | |
| 382 else | |
| 383 #endif | |
| 384 line_count = curwin->w_cursor.lnum - curwin->w_botline | |
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385 + 1 + *so_ptr; |
| 7 | 386 if (line_count <= curwin->w_height + 1) |
| 532 | 387 scroll_cursor_bot(scrolljump_value(), FALSE); |
| 7 | 388 else |
| 389 scroll_cursor_halfway(FALSE); | |
| 390 } | |
| 391 } | |
| 392 } | |
| 393 curwin->w_valid |= VALID_TOPLINE; | |
| 394 | |
| 395 /* | |
| 396 * Need to redraw when topline changed. | |
| 397 */ | |
| 398 if (curwin->w_topline != old_topline | |
| 399 #ifdef FEAT_DIFF | |
| 400 || curwin->w_topfill != old_topfill | |
| 401 #endif | |
| 402 ) | |
| 403 { | |
| 3318 | 404 dollar_vcol = -1; |
| 740 | 405 if (curwin->w_skipcol != 0) |
| 7 | 406 { |
| 407 curwin->w_skipcol = 0; | |
| 408 redraw_later(NOT_VALID); | |
| 409 } | |
| 410 else | |
| 411 redraw_later(VALID); | |
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412 // May need to set w_skipcol when cursor in w_topline. |
| 7 | 413 if (curwin->w_cursor.lnum == curwin->w_topline) |
| 414 validate_cursor(); | |
| 415 } | |
| 416 | |
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417 *so_ptr = save_so; |
| 7 | 418 } |
| 419 | |
| 420 /* | |
| 532 | 421 * Return the scrolljump value to use for the current window. |
| 422 * When 'scrolljump' is positive use it as-is. | |
| 423 * When 'scrolljump' is negative use it as a percentage of the window height. | |
| 424 */ | |
| 425 static int | |
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426 scrolljump_value(void) |
| 532 | 427 { |
| 428 if (p_sj >= 0) | |
| 429 return (int)p_sj; | |
| 430 return (curwin->w_height * -p_sj) / 100; | |
| 431 } | |
| 432 | |
| 433 /* | |
| 7 | 434 * Return TRUE when there are not 'scrolloff' lines above the cursor for the |
| 435 * current window. | |
| 436 */ | |
| 437 static int | |
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438 check_top_offset(void) |
| 7 | 439 { |
| 440 lineoff_T loff; | |
| 441 int n; | |
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442 long so = get_scrolloff_value(); |
| 7 | 443 |
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444 if (curwin->w_cursor.lnum < curwin->w_topline + so |
| 7 | 445 #ifdef FEAT_FOLDING |
| 446 || hasAnyFolding(curwin) | |
| 447 #endif | |
| 448 ) | |
| 449 { | |
| 450 loff.lnum = curwin->w_cursor.lnum; | |
| 451 #ifdef FEAT_DIFF | |
| 452 loff.fill = 0; | |
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453 n = curwin->w_topfill; // always have this context |
| 7 | 454 #else |
| 455 n = 0; | |
| 456 #endif | |
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457 // Count the visible screen lines above the cursor line. |
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458 while (n < so) |
| 7 | 459 { |
| 460 topline_back(&loff); | |
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461 // Stop when included a line above the window. |
| 7 | 462 if (loff.lnum < curwin->w_topline |
| 463 #ifdef FEAT_DIFF | |
| 464 || (loff.lnum == curwin->w_topline && loff.fill > 0) | |
| 465 #endif | |
| 466 ) | |
| 467 break; | |
| 468 n += loff.height; | |
| 469 } | |
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470 if (n < so) |
| 7 | 471 return TRUE; |
| 472 } | |
| 473 return FALSE; | |
| 474 } | |
| 475 | |
| 476 void | |
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477 update_curswant(void) |
| 7 | 478 { |
| 479 if (curwin->w_set_curswant) | |
| 480 { | |
| 481 validate_virtcol(); | |
| 482 curwin->w_curswant = curwin->w_virtcol; | |
| 483 curwin->w_set_curswant = FALSE; | |
| 484 } | |
| 485 } | |
| 486 | |
| 487 /* | |
| 488 * Check if the cursor has moved. Set the w_valid flag accordingly. | |
| 489 */ | |
| 490 void | |
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491 check_cursor_moved(win_T *wp) |
| 7 | 492 { |
| 493 if (wp->w_cursor.lnum != wp->w_valid_cursor.lnum) | |
| 494 { | |
| 495 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
| 496 |VALID_CHEIGHT|VALID_CROW|VALID_TOPLINE); | |
| 497 wp->w_valid_cursor = wp->w_cursor; | |
| 498 wp->w_valid_leftcol = wp->w_leftcol; | |
| 499 } | |
| 500 else if (wp->w_cursor.col != wp->w_valid_cursor.col | |
| 501 || wp->w_leftcol != wp->w_valid_leftcol | |
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502 || wp->w_cursor.coladd != wp->w_valid_cursor.coladd) |
| 7 | 503 { |
| 504 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL); | |
| 505 wp->w_valid_cursor.col = wp->w_cursor.col; | |
| 506 wp->w_valid_leftcol = wp->w_leftcol; | |
| 507 wp->w_valid_cursor.coladd = wp->w_cursor.coladd; | |
| 508 } | |
| 509 } | |
| 510 | |
| 511 /* | |
| 512 * Call this function when some window settings have changed, which require | |
| 513 * the cursor position, botline and topline to be recomputed and the window to | |
| 514 * be redrawn. E.g, when changing the 'wrap' option or folding. | |
| 515 */ | |
| 516 void | |
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517 changed_window_setting(void) |
| 7 | 518 { |
| 519 changed_window_setting_win(curwin); | |
| 520 } | |
| 521 | |
| 522 void | |
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523 changed_window_setting_win(win_T *wp) |
| 7 | 524 { |
| 525 wp->w_lines_valid = 0; | |
| 526 changed_line_abv_curs_win(wp); | |
| 527 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP|VALID_TOPLINE); | |
| 528 redraw_win_later(wp, NOT_VALID); | |
| 529 } | |
| 530 | |
| 531 /* | |
| 532 * Set wp->w_topline to a certain number. | |
| 533 */ | |
| 534 void | |
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535 set_topline(win_T *wp, linenr_T lnum) |
| 7 | 536 { |
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537 #ifdef FEAT_DIFF |
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538 linenr_T prev_topline = wp->w_topline; |
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539 #endif |
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540 |
| 7 | 541 #ifdef FEAT_FOLDING |
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542 // go to first of folded lines |
| 7 | 543 (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL); |
| 544 #endif | |
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545 // Approximate the value of w_botline |
| 7 | 546 wp->w_botline += lnum - wp->w_topline; |
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547 if (wp->w_botline > wp->w_buffer->b_ml.ml_line_count + 1) |
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548 wp->w_botline = wp->w_buffer->b_ml.ml_line_count + 1; |
| 7 | 549 wp->w_topline = lnum; |
| 1744 | 550 wp->w_topline_was_set = TRUE; |
| 7 | 551 #ifdef FEAT_DIFF |
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552 if (lnum != prev_topline) |
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553 // Keep the filler lines when the topline didn't change. |
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554 wp->w_topfill = 0; |
| 7 | 555 #endif |
| 556 wp->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_TOPLINE); | |
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557 // Don't set VALID_TOPLINE here, 'scrolloff' needs to be checked. |
| 7 | 558 redraw_later(VALID); |
| 559 } | |
| 560 | |
| 561 /* | |
| 562 * Call this function when the length of the cursor line (in screen | |
| 563 * characters) has changed, and the change is before the cursor. | |
| 564 * Need to take care of w_botline separately! | |
| 565 */ | |
| 566 void | |
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567 changed_cline_bef_curs(void) |
| 7 | 568 { |
| 569 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
| 570 |VALID_CHEIGHT|VALID_TOPLINE); | |
| 571 } | |
| 572 | |
| 573 void | |
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574 changed_cline_bef_curs_win(win_T *wp) |
| 7 | 575 { |
| 576 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL | |
| 577 |VALID_CHEIGHT|VALID_TOPLINE); | |
| 578 } | |
| 579 | |
| 580 /* | |
| 581 * Call this function when the length of a line (in screen characters) above | |
| 582 * the cursor have changed. | |
| 583 * Need to take care of w_botline separately! | |
| 584 */ | |
| 585 void | |
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586 changed_line_abv_curs(void) |
| 7 | 587 { |
| 588 curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW | |
| 589 |VALID_CHEIGHT|VALID_TOPLINE); | |
| 590 } | |
| 591 | |
| 592 void | |
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593 changed_line_abv_curs_win(win_T *wp) |
| 7 | 594 { |
| 595 wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL|VALID_CROW | |
| 596 |VALID_CHEIGHT|VALID_TOPLINE); | |
| 597 } | |
| 598 | |
| 599 /* | |
| 600 * Make sure the value of curwin->w_botline is valid. | |
| 601 */ | |
| 602 void | |
|
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603 validate_botline(void) |
| 7 | 604 { |
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605 validate_botline_win(curwin); |
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606 } |
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607 |
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608 /* |
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609 * Make sure the value of wp->w_botline is valid. |
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610 */ |
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611 void |
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612 validate_botline_win(win_T *wp) |
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613 { |
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614 if (!(wp->w_valid & VALID_BOTLINE)) |
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615 comp_botline(wp); |
| 7 | 616 } |
| 617 | |
| 618 /* | |
| 619 * Mark curwin->w_botline as invalid (because of some change in the buffer). | |
| 620 */ | |
| 621 void | |
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622 invalidate_botline(void) |
| 7 | 623 { |
| 624 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
| 625 } | |
| 626 | |
| 627 void | |
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628 invalidate_botline_win(win_T *wp) |
| 7 | 629 { |
| 630 wp->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
| 631 } | |
| 632 | |
| 633 void | |
|
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634 approximate_botline_win( |
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635 win_T *wp) |
| 7 | 636 { |
| 637 wp->w_valid &= ~VALID_BOTLINE; | |
| 638 } | |
| 639 | |
| 640 /* | |
| 641 * Return TRUE if curwin->w_wrow and curwin->w_wcol are valid. | |
| 642 */ | |
| 643 int | |
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|
644 cursor_valid(void) |
| 7 | 645 { |
| 646 check_cursor_moved(curwin); | |
| 647 return ((curwin->w_valid & (VALID_WROW|VALID_WCOL)) == | |
| 648 (VALID_WROW|VALID_WCOL)); | |
| 649 } | |
| 650 | |
| 651 /* | |
| 652 * Validate cursor position. Makes sure w_wrow and w_wcol are valid. | |
| 653 * w_topline must be valid, you may need to call update_topline() first! | |
| 654 */ | |
| 655 void | |
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656 validate_cursor(void) |
| 7 | 657 { |
| 658 check_cursor_moved(curwin); | |
| 659 if ((curwin->w_valid & (VALID_WCOL|VALID_WROW)) != (VALID_WCOL|VALID_WROW)) | |
| 660 curs_columns(TRUE); | |
| 661 } | |
| 662 | |
| 663 #if defined(FEAT_GUI) || defined(PROTO) | |
| 664 /* | |
| 665 * validate w_cline_row. | |
| 666 */ | |
| 667 void | |
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668 validate_cline_row(void) |
| 7 | 669 { |
| 670 /* | |
| 671 * First make sure that w_topline is valid (after moving the cursor). | |
| 672 */ | |
| 673 update_topline(); | |
| 674 check_cursor_moved(curwin); | |
| 675 if (!(curwin->w_valid & VALID_CROW)) | |
| 6441 | 676 curs_rows(curwin); |
| 7 | 677 } |
| 678 #endif | |
| 679 | |
| 680 /* | |
| 681 * Compute wp->w_cline_row and wp->w_cline_height, based on the current value | |
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682 * of wp->w_topline. |
| 7 | 683 */ |
| 684 static void | |
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685 curs_rows(win_T *wp) |
| 7 | 686 { |
| 687 linenr_T lnum; | |
| 688 int i; | |
| 689 int all_invalid; | |
| 690 int valid; | |
| 691 #ifdef FEAT_FOLDING | |
| 692 long fold_count; | |
| 693 #endif | |
| 694 | |
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695 // Check if wp->w_lines[].wl_size is invalid |
| 7 | 696 all_invalid = (!redrawing() |
| 697 || wp->w_lines_valid == 0 | |
| 698 || wp->w_lines[0].wl_lnum > wp->w_topline); | |
| 699 i = 0; | |
| 700 wp->w_cline_row = 0; | |
| 701 for (lnum = wp->w_topline; lnum < wp->w_cursor.lnum; ++i) | |
| 702 { | |
| 703 valid = FALSE; | |
| 704 if (!all_invalid && i < wp->w_lines_valid) | |
| 705 { | |
| 706 if (wp->w_lines[i].wl_lnum < lnum || !wp->w_lines[i].wl_valid) | |
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707 continue; // skip changed or deleted lines |
| 7 | 708 if (wp->w_lines[i].wl_lnum == lnum) |
| 709 { | |
| 710 #ifdef FEAT_FOLDING | |
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711 // Check for newly inserted lines below this row, in which |
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712 // case we need to check for folded lines. |
| 7 | 713 if (!wp->w_buffer->b_mod_set |
| 714 || wp->w_lines[i].wl_lastlnum < wp->w_cursor.lnum | |
| 715 || wp->w_buffer->b_mod_top | |
| 716 > wp->w_lines[i].wl_lastlnum + 1) | |
| 717 #endif | |
| 718 valid = TRUE; | |
| 719 } | |
| 720 else if (wp->w_lines[i].wl_lnum > lnum) | |
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721 --i; // hold at inserted lines |
| 7 | 722 } |
| 723 if (valid | |
| 724 #ifdef FEAT_DIFF | |
| 725 && (lnum != wp->w_topline || !wp->w_p_diff) | |
| 726 #endif | |
| 727 ) | |
| 728 { | |
| 729 #ifdef FEAT_FOLDING | |
| 730 lnum = wp->w_lines[i].wl_lastlnum + 1; | |
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731 // Cursor inside folded lines, don't count this row |
| 7 | 732 if (lnum > wp->w_cursor.lnum) |
| 733 break; | |
| 734 #else | |
| 735 ++lnum; | |
| 736 #endif | |
| 737 wp->w_cline_row += wp->w_lines[i].wl_size; | |
| 738 } | |
| 739 else | |
| 740 { | |
| 741 #ifdef FEAT_FOLDING | |
| 742 fold_count = foldedCount(wp, lnum, NULL); | |
| 743 if (fold_count) | |
| 744 { | |
| 745 lnum += fold_count; | |
| 746 if (lnum > wp->w_cursor.lnum) | |
| 747 break; | |
| 748 ++wp->w_cline_row; | |
| 749 } | |
| 750 else | |
| 751 #endif | |
| 752 #ifdef FEAT_DIFF | |
| 753 if (lnum == wp->w_topline) | |
| 754 wp->w_cline_row += plines_win_nofill(wp, lnum++, TRUE) | |
| 755 + wp->w_topfill; | |
| 756 else | |
| 757 #endif | |
| 758 wp->w_cline_row += plines_win(wp, lnum++, TRUE); | |
| 759 } | |
| 760 } | |
| 761 | |
| 762 check_cursor_moved(wp); | |
| 763 if (!(wp->w_valid & VALID_CHEIGHT)) | |
| 764 { | |
| 765 if (all_invalid | |
| 766 || i == wp->w_lines_valid | |
| 767 || (i < wp->w_lines_valid | |
| 768 && (!wp->w_lines[i].wl_valid | |
| 769 || wp->w_lines[i].wl_lnum != wp->w_cursor.lnum))) | |
| 770 { | |
| 771 #ifdef FEAT_DIFF | |
| 772 if (wp->w_cursor.lnum == wp->w_topline) | |
| 773 wp->w_cline_height = plines_win_nofill(wp, wp->w_cursor.lnum, | |
| 774 TRUE) + wp->w_topfill; | |
| 775 else | |
| 776 #endif | |
| 777 wp->w_cline_height = plines_win(wp, wp->w_cursor.lnum, TRUE); | |
| 778 #ifdef FEAT_FOLDING | |
| 779 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum, | |
| 780 NULL, NULL, TRUE, NULL); | |
| 781 #endif | |
| 782 } | |
| 783 else if (i > wp->w_lines_valid) | |
| 784 { | |
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785 // a line that is too long to fit on the last screen line |
| 7 | 786 wp->w_cline_height = 0; |
| 787 #ifdef FEAT_FOLDING | |
| 788 wp->w_cline_folded = hasFoldingWin(wp, wp->w_cursor.lnum, | |
| 789 NULL, NULL, TRUE, NULL); | |
| 790 #endif | |
| 791 } | |
| 792 else | |
| 793 { | |
| 794 wp->w_cline_height = wp->w_lines[i].wl_size; | |
| 795 #ifdef FEAT_FOLDING | |
| 796 wp->w_cline_folded = wp->w_lines[i].wl_folded; | |
| 797 #endif | |
| 798 } | |
| 799 } | |
| 800 | |
| 5764 | 801 redraw_for_cursorline(curwin); |
| 7 | 802 wp->w_valid |= VALID_CROW|VALID_CHEIGHT; |
| 803 | |
| 804 } | |
| 805 | |
| 806 /* | |
| 807 * Validate curwin->w_virtcol only. | |
| 808 */ | |
| 809 void | |
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810 validate_virtcol(void) |
| 7 | 811 { |
| 812 validate_virtcol_win(curwin); | |
| 813 } | |
| 814 | |
| 815 /* | |
| 816 * Validate wp->w_virtcol only. | |
| 817 */ | |
| 818 void | |
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819 validate_virtcol_win(win_T *wp) |
| 7 | 820 { |
| 821 check_cursor_moved(wp); | |
| 822 if (!(wp->w_valid & VALID_VIRTCOL)) | |
| 823 { | |
| 824 getvvcol(wp, &wp->w_cursor, NULL, &(wp->w_virtcol), NULL); | |
| 825 wp->w_valid |= VALID_VIRTCOL; | |
| 740 | 826 #ifdef FEAT_SYN_HL |
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827 if (wp->w_p_cuc && !pum_visible()) |
| 740 | 828 redraw_win_later(wp, SOME_VALID); |
| 829 #endif | |
| 7 | 830 } |
| 831 } | |
| 832 | |
| 833 /* | |
| 834 * Validate curwin->w_cline_height only. | |
| 835 */ | |
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836 void |
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837 validate_cheight(void) |
| 7 | 838 { |
| 839 check_cursor_moved(curwin); | |
| 840 if (!(curwin->w_valid & VALID_CHEIGHT)) | |
| 841 { | |
| 842 #ifdef FEAT_DIFF | |
| 843 if (curwin->w_cursor.lnum == curwin->w_topline) | |
| 844 curwin->w_cline_height = plines_nofill(curwin->w_cursor.lnum) | |
| 845 + curwin->w_topfill; | |
| 846 else | |
| 847 #endif | |
| 848 curwin->w_cline_height = plines(curwin->w_cursor.lnum); | |
| 849 #ifdef FEAT_FOLDING | |
| 850 curwin->w_cline_folded = hasFolding(curwin->w_cursor.lnum, NULL, NULL); | |
| 851 #endif | |
| 852 curwin->w_valid |= VALID_CHEIGHT; | |
| 853 } | |
| 854 } | |
| 855 | |
| 856 /* | |
| 1668 | 857 * Validate w_wcol and w_virtcol only. |
| 7 | 858 */ |
| 859 void | |
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860 validate_cursor_col(void) |
| 7 | 861 { |
| 862 colnr_T off; | |
| 863 colnr_T col; | |
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864 int width; |
| 7 | 865 |
| 866 validate_virtcol(); | |
| 867 if (!(curwin->w_valid & VALID_WCOL)) | |
| 868 { | |
| 869 col = curwin->w_virtcol; | |
| 870 off = curwin_col_off(); | |
| 871 col += off; | |
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872 width = curwin->w_width - off + curwin_col_off2(); |
| 7 | 873 |
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874 // long line wrapping, adjust curwin->w_wrow |
| 1668 | 875 if (curwin->w_p_wrap |
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876 && col >= (colnr_T)curwin->w_width |
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877 && width > 0) |
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878 // use same formula as what is used in curs_columns() |
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879 col -= ((col - curwin->w_width) / width + 1) * width; |
| 1668 | 880 if (col > (int)curwin->w_leftcol) |
| 881 col -= curwin->w_leftcol; | |
| 882 else | |
| 883 col = 0; | |
| 7 | 884 curwin->w_wcol = col; |
| 1668 | 885 |
| 7 | 886 curwin->w_valid |= VALID_WCOL; |
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887 #ifdef FEAT_PROP_POPUP |
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888 curwin->w_flags &= ~WFLAG_WCOL_OFF_ADDED; |
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889 #endif |
| 7 | 890 } |
| 891 } | |
| 892 | |
| 893 /* | |
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894 * Compute offset of a window, occupied by absolute or relative line number, |
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895 * fold column and sign column (these don't move when scrolling horizontally). |
| 7 | 896 */ |
| 897 int | |
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898 win_col_off(win_T *wp) |
| 7 | 899 { |
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900 return (((wp->w_p_nu || wp->w_p_rnu) ? number_width(wp) + 1 : 0) |
| 7 | 901 #ifdef FEAT_CMDWIN |
| 902 + (cmdwin_type == 0 || wp != curwin ? 0 : 1) | |
| 903 #endif | |
| 904 #ifdef FEAT_FOLDING | |
| 905 + wp->w_p_fdc | |
| 906 #endif | |
| 907 #ifdef FEAT_SIGNS | |
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908 + (signcolumn_on(wp) ? 2 : 0) |
| 7 | 909 #endif |
| 910 ); | |
| 911 } | |
| 912 | |
| 913 int | |
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914 curwin_col_off(void) |
| 7 | 915 { |
| 916 return win_col_off(curwin); | |
| 917 } | |
| 918 | |
| 919 /* | |
| 920 * Return the difference in column offset for the second screen line of a | |
|
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921 * wrapped line. It's 8 if 'number' or 'relativenumber' is on and 'n' is in |
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922 * 'cpoptions'. |
| 7 | 923 */ |
| 924 int | |
|
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925 win_col_off2(win_T *wp) |
| 7 | 926 { |
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927 if ((wp->w_p_nu || wp->w_p_rnu) && vim_strchr(p_cpo, CPO_NUMCOL) != NULL) |
| 13 | 928 return number_width(wp) + 1; |
| 7 | 929 return 0; |
| 930 } | |
| 931 | |
| 932 int | |
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933 curwin_col_off2(void) |
| 7 | 934 { |
| 935 return win_col_off2(curwin); | |
| 936 } | |
| 937 | |
| 938 /* | |
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939 * Compute curwin->w_wcol and curwin->w_virtcol. |
| 7 | 940 * Also updates curwin->w_wrow and curwin->w_cline_row. |
| 941 * Also updates curwin->w_leftcol. | |
| 942 */ | |
| 943 void | |
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944 curs_columns( |
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945 int may_scroll) // when TRUE, may scroll horizontally |
| 7 | 946 { |
| 947 int diff; | |
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948 int extra; // offset for first screen line |
| 7 | 949 int off_left, off_right; |
| 950 int n; | |
| 951 int p_lines; | |
| 952 int width = 0; | |
| 953 int textwidth; | |
| 954 int new_leftcol; | |
| 955 colnr_T startcol; | |
| 956 colnr_T endcol; | |
| 957 colnr_T prev_skipcol; | |
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958 long so = get_scrolloff_value(); |
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959 long siso = get_sidescrolloff_value(); |
| 7 | 960 |
| 961 /* | |
| 962 * First make sure that w_topline is valid (after moving the cursor). | |
| 963 */ | |
| 964 update_topline(); | |
| 965 | |
| 966 /* | |
| 967 * Next make sure that w_cline_row is valid. | |
| 968 */ | |
| 969 if (!(curwin->w_valid & VALID_CROW)) | |
| 6441 | 970 curs_rows(curwin); |
| 7 | 971 |
| 972 /* | |
| 973 * Compute the number of virtual columns. | |
| 974 */ | |
| 975 #ifdef FEAT_FOLDING | |
| 976 if (curwin->w_cline_folded) | |
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977 // In a folded line the cursor is always in the first column |
| 7 | 978 startcol = curwin->w_virtcol = endcol = curwin->w_leftcol; |
| 979 else | |
| 980 #endif | |
| 981 getvvcol(curwin, &curwin->w_cursor, | |
| 982 &startcol, &(curwin->w_virtcol), &endcol); | |
| 983 | |
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984 // remove '$' from change command when cursor moves onto it |
| 7 | 985 if (startcol > dollar_vcol) |
| 3318 | 986 dollar_vcol = -1; |
| 7 | 987 |
| 988 extra = curwin_col_off(); | |
| 989 curwin->w_wcol = curwin->w_virtcol + extra; | |
| 990 endcol += extra; | |
| 991 | |
| 992 /* | |
| 993 * Now compute w_wrow, counting screen lines from w_cline_row. | |
| 994 */ | |
| 995 curwin->w_wrow = curwin->w_cline_row; | |
| 996 | |
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997 textwidth = curwin->w_width - extra; |
| 7 | 998 if (textwidth <= 0) |
| 999 { | |
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1000 // No room for text, put cursor in last char of window. |
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1001 // If not wrapping, the last non-empty line. |
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1002 curwin->w_wcol = curwin->w_width - 1; |
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1003 if (curwin->w_p_wrap) |
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1004 curwin->w_wrow = curwin->w_height - 1; |
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1005 else |
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1006 curwin->w_wrow = curwin->w_height - 1 - curwin->w_empty_rows; |
| 7 | 1007 } |
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1008 else if (curwin->w_p_wrap && curwin->w_width != 0) |
| 7 | 1009 { |
| 1010 width = textwidth + curwin_col_off2(); | |
| 1011 | |
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1012 // long line wrapping, adjust curwin->w_wrow |
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1013 if (curwin->w_wcol >= curwin->w_width) |
| 7 | 1014 { |
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1015 #ifdef FEAT_LINEBREAK |
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1016 char_u *sbr; |
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1017 #endif |
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1018 |
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1019 // this same formula is used in validate_cursor_col() |
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1020 n = (curwin->w_wcol - curwin->w_width) / width + 1; |
| 7 | 1021 curwin->w_wcol -= n * width; |
| 1022 curwin->w_wrow += n; | |
| 1023 | |
| 1024 #ifdef FEAT_LINEBREAK | |
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1025 // When cursor wraps to first char of next line in Insert |
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1026 // mode, the 'showbreak' string isn't shown, backup to first |
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1027 // column |
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1028 sbr = get_showbreak_value(curwin); |
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1029 if (*sbr && *ml_get_cursor() == NUL |
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1030 && curwin->w_wcol == vim_strsize(sbr)) |
| 7 | 1031 curwin->w_wcol = 0; |
| 1032 #endif | |
| 1033 } | |
| 1034 } | |
| 1035 | |
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1036 // No line wrapping: compute curwin->w_leftcol if scrolling is on and line |
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1037 // is not folded. |
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1038 // If scrolling is off, curwin->w_leftcol is assumed to be 0 |
| 3263 | 1039 else if (may_scroll |
| 7 | 1040 #ifdef FEAT_FOLDING |
| 1041 && !curwin->w_cline_folded | |
| 1042 #endif | |
| 1043 ) | |
| 1044 { | |
| 1045 /* | |
| 1046 * If Cursor is left of the screen, scroll rightwards. | |
| 1047 * If Cursor is right of the screen, scroll leftwards | |
| 1048 * If we get closer to the edge than 'sidescrolloff', scroll a little | |
| 1049 * extra | |
| 1050 */ | |
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1051 off_left = (int)startcol - (int)curwin->w_leftcol - siso; |
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1052 off_right = (int)endcol - (int)(curwin->w_leftcol + curwin->w_width |
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1053 - siso) + 1; |
| 7 | 1054 if (off_left < 0 || off_right > 0) |
| 1055 { | |
| 1056 if (off_left < 0) | |
| 1057 diff = -off_left; | |
| 1058 else | |
| 1059 diff = off_right; | |
| 1060 | |
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1061 // When far off or not enough room on either side, put cursor in |
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1062 // middle of window. |
| 7 | 1063 if (p_ss == 0 || diff >= textwidth / 2 || off_right >= off_left) |
| 1064 new_leftcol = curwin->w_wcol - extra - textwidth / 2; | |
| 1065 else | |
| 1066 { | |
| 1067 if (diff < p_ss) | |
| 1068 diff = p_ss; | |
| 1069 if (off_left < 0) | |
| 1070 new_leftcol = curwin->w_leftcol - diff; | |
| 1071 else | |
| 1072 new_leftcol = curwin->w_leftcol + diff; | |
| 1073 } | |
| 1074 if (new_leftcol < 0) | |
| 1075 new_leftcol = 0; | |
| 1076 if (new_leftcol != (int)curwin->w_leftcol) | |
| 1077 { | |
| 1078 curwin->w_leftcol = new_leftcol; | |
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1079 // screen has to be redrawn with new curwin->w_leftcol |
| 7 | 1080 redraw_later(NOT_VALID); |
| 1081 } | |
| 1082 } | |
| 1083 curwin->w_wcol -= curwin->w_leftcol; | |
| 1084 } | |
| 1085 else if (curwin->w_wcol > (int)curwin->w_leftcol) | |
| 1086 curwin->w_wcol -= curwin->w_leftcol; | |
| 1087 else | |
| 1088 curwin->w_wcol = 0; | |
| 1089 | |
| 1090 #ifdef FEAT_DIFF | |
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1091 // Skip over filler lines. At the top use w_topfill, there |
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1092 // may be some filler lines above the window. |
| 7 | 1093 if (curwin->w_cursor.lnum == curwin->w_topline) |
| 1094 curwin->w_wrow += curwin->w_topfill; | |
| 1095 else | |
| 1096 curwin->w_wrow += diff_check_fill(curwin, curwin->w_cursor.lnum); | |
| 1097 #endif | |
| 1098 | |
| 1099 prev_skipcol = curwin->w_skipcol; | |
| 1100 | |
| 1101 p_lines = 0; | |
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1102 |
| 7 | 1103 if ((curwin->w_wrow >= curwin->w_height |
| 1104 || ((prev_skipcol > 0 | |
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1105 || curwin->w_wrow + so >= curwin->w_height) |
| 7 | 1106 && (p_lines = |
| 1107 #ifdef FEAT_DIFF | |
| 1108 plines_win_nofill | |
| 1109 #else | |
| 1110 plines_win | |
| 1111 #endif | |
| 1112 (curwin, curwin->w_cursor.lnum, FALSE)) | |
| 1113 - 1 >= curwin->w_height)) | |
| 1114 && curwin->w_height != 0 | |
| 1115 && curwin->w_cursor.lnum == curwin->w_topline | |
| 1116 && width > 0 | |
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1117 && curwin->w_width != 0) |
| 7 | 1118 { |
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1119 // Cursor past end of screen. Happens with a single line that does |
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1120 // not fit on screen. Find a skipcol to show the text around the |
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1121 // cursor. Avoid scrolling all the time. compute value of "extra": |
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1122 // 1: Less than 'scrolloff' lines above |
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1123 // 2: Less than 'scrolloff' lines below |
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1124 // 3: both of them |
| 7 | 1125 extra = 0; |
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1126 if (curwin->w_skipcol + so * width > curwin->w_virtcol) |
| 7 | 1127 extra = 1; |
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1128 // Compute last display line of the buffer line that we want at the |
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1129 // bottom of the window. |
| 7 | 1130 if (p_lines == 0) |
| 1131 p_lines = plines_win(curwin, curwin->w_cursor.lnum, FALSE); | |
| 1132 --p_lines; | |
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1133 if (p_lines > curwin->w_wrow + so) |
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1134 n = curwin->w_wrow + so; |
| 7 | 1135 else |
| 1136 n = p_lines; | |
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1137 if ((colnr_T)n >= curwin->w_height + curwin->w_skipcol / width - so) |
| 7 | 1138 extra += 2; |
| 1139 | |
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1140 if (extra == 3 || p_lines <= so * 2) |
| 7 | 1141 { |
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1142 // not enough room for 'scrolloff', put cursor in the middle |
| 7 | 1143 n = curwin->w_virtcol / width; |
| 1144 if (n > curwin->w_height / 2) | |
| 1145 n -= curwin->w_height / 2; | |
| 1146 else | |
| 1147 n = 0; | |
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1148 // don't skip more than necessary |
| 7 | 1149 if (n > p_lines - curwin->w_height + 1) |
| 1150 n = p_lines - curwin->w_height + 1; | |
| 1151 curwin->w_skipcol = n * width; | |
| 1152 } | |
| 1153 else if (extra == 1) | |
| 1154 { | |
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26771
fc859aea8cec
patch 8.2.3914: various spelling mistakes in comments
Bram Moolenaar <Bram@vim.org>
parents:
26061
diff
changeset
|
1155 // less than 'scrolloff' lines above, decrease skipcol |
|
15713
ad8b2c109b22
patch 8.1.0864: cannot have a local value for 'scrolloff' and 'sidescrolloff'
Bram Moolenaar <Bram@vim.org>
parents:
15697
diff
changeset
|
1156 extra = (curwin->w_skipcol + so * width - curwin->w_virtcol |
| 7 | 1157 + width - 1) / width; |
| 1158 if (extra > 0) | |
| 1159 { | |
| 1160 if ((colnr_T)(extra * width) > curwin->w_skipcol) | |
| 1161 extra = curwin->w_skipcol / width; | |
| 1162 curwin->w_skipcol -= extra * width; | |
| 1163 } | |
| 1164 } | |
| 1165 else if (extra == 2) | |
| 1166 { | |
|
26771
fc859aea8cec
patch 8.2.3914: various spelling mistakes in comments
Bram Moolenaar <Bram@vim.org>
parents:
26061
diff
changeset
|
1167 // less than 'scrolloff' lines below, increase skipcol |
| 7 | 1168 endcol = (n - curwin->w_height + 1) * width; |
| 1169 while (endcol > curwin->w_virtcol) | |
| 1170 endcol -= width; | |
| 1171 if (endcol > curwin->w_skipcol) | |
| 1172 curwin->w_skipcol = endcol; | |
| 1173 } | |
| 1174 | |
| 1175 curwin->w_wrow -= curwin->w_skipcol / width; | |
| 1176 if (curwin->w_wrow >= curwin->w_height) | |
| 1177 { | |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1178 // small window, make sure cursor is in it |
| 7 | 1179 extra = curwin->w_wrow - curwin->w_height + 1; |
| 1180 curwin->w_skipcol += extra * width; | |
| 1181 curwin->w_wrow -= extra; | |
| 1182 } | |
| 1183 | |
| 1184 extra = ((int)prev_skipcol - (int)curwin->w_skipcol) / width; | |
| 1185 if (extra > 0) | |
| 1186 win_ins_lines(curwin, 0, extra, FALSE, FALSE); | |
| 1187 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
|
1188 win_del_lines(curwin, 0, -extra, FALSE, FALSE, 0); |
| 7 | 1189 } |
| 1190 else | |
| 1191 curwin->w_skipcol = 0; | |
| 1192 if (prev_skipcol != curwin->w_skipcol) | |
| 1193 redraw_later(NOT_VALID); | |
| 1194 | |
| 740 | 1195 #ifdef FEAT_SYN_HL |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
1196 // Redraw when w_virtcol changes and 'cursorcolumn' is set |
| 5749 | 1197 if (curwin->w_p_cuc && (curwin->w_valid & VALID_VIRTCOL) == 0 |
|
17809
59f8948b7590
patch 8.1.1901: the +insert_expand feature is not always available
Bram Moolenaar <Bram@vim.org>
parents:
17292
diff
changeset
|
1198 && !pum_visible()) |
| 5749 | 1199 redraw_later(SOME_VALID); |
|
2178
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
1200 #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
|
1201 #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
|
1202 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
|
1203 { |
|
9e428147e4ee
patch 8.2.0328: no redraw when leaving term-normal mode in popup terminal
Bram Moolenaar <Bram@vim.org>
parents:
18931
diff
changeset
|
1204 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
|
1205 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
|
1206 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
|
1207 } |
|
22886
38324d4f1c94
patch 8.2.1990: cursor position wrong in terminal popup with finished job
Bram Moolenaar <Bram@vim.org>
parents:
22782
diff
changeset
|
1208 else |
|
38324d4f1c94
patch 8.2.1990: cursor position wrong in terminal popup with finished job
Bram Moolenaar <Bram@vim.org>
parents:
22782
diff
changeset
|
1209 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
|
1210 #endif |
| 740 | 1211 |
|
18621
a9bfdc5ea1ec
patch 8.1.2303: cursor in wrong position after horizontal scroll
Bram Moolenaar <Bram@vim.org>
parents:
18580
diff
changeset
|
1212 // now w_leftcol is valid, avoid check_cursor_moved() thinking otherwise |
|
a9bfdc5ea1ec
patch 8.1.2303: cursor in wrong position after horizontal scroll
Bram Moolenaar <Bram@vim.org>
parents:
18580
diff
changeset
|
1213 curwin->w_valid_leftcol = curwin->w_leftcol; |
|
a9bfdc5ea1ec
patch 8.1.2303: cursor in wrong position after horizontal scroll
Bram Moolenaar <Bram@vim.org>
parents:
18580
diff
changeset
|
1214 |
| 7 | 1215 curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL; |
| 1216 } | |
| 1217 | |
|
18763
49b78d6465e5
patch 8.1.2371: FEAT_TEXT_PROP is a confusing name
Bram Moolenaar <Bram@vim.org>
parents:
18621
diff
changeset
|
1218 #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
|
1219 /* |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1220 * 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
|
1221 * 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
|
1222 */ |
|
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
|
1223 void |
|
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1224 textpos2screenpos( |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1225 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
|
1226 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
|
1227 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
|
1228 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
|
1229 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
|
1230 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
|
1231 { |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1232 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
|
1233 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
|
1234 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
|
1235 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
|
1236 |
|
25312
7a254d0705e2
patch 8.2.3193: screenpos() is wrong when 'display' is "lastline"
Bram Moolenaar <Bram@vim.org>
parents:
25172
diff
changeset
|
1237 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
|
1238 { |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1239 colnr_T off; |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1240 colnr_T col; |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1241 int width; |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1242 |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1243 row = plines_m_win(wp, wp->w_topline, pos->lnum - 1) + 1; |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1244 getvcol(wp, pos, &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
|
1245 |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1246 // similar to what is done in validate_cursor_col() |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1247 col = scol; |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1248 off = win_col_off(wp); |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1249 col += off; |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1250 width = wp->w_width - off + win_col_off2(wp); |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1251 |
|
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
|
1252 // long line wrapping, adjust row |
|
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1253 if (wp->w_p_wrap |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1254 && col >= (colnr_T)wp->w_width |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1255 && width > 0) |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1256 { |
|
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
|
1257 // use same formula as what is used in curs_columns() |
|
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1258 rowoff = ((col - wp->w_width) / width + 1); |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1259 col -= rowoff * width; |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1260 } |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1261 col -= wp->w_leftcol; |
|
18469
66964658cc3c
patch 8.1.2228: screenpos() returns wrong values when 'number' is set
Bram Moolenaar <Bram@vim.org>
parents:
18354
diff
changeset
|
1262 if (col >= wp->w_width) |
|
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1263 col = -1; |
|
25312
7a254d0705e2
patch 8.2.3193: screenpos() is wrong when 'display' is "lastline"
Bram Moolenaar <Bram@vim.org>
parents:
25172
diff
changeset
|
1264 if (col >= 0 && row + rowoff <= wp->w_height) |
|
27352
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1265 { |
|
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1266 coloff = col - scol + 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
|
1267 row += W_WINROW(wp); |
|
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1268 } |
|
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1269 else |
|
25312
7a254d0705e2
patch 8.2.3193: screenpos() is wrong when 'display' is "lastline"
Bram Moolenaar <Bram@vim.org>
parents:
25172
diff
changeset
|
1270 // character is left, right or below of the window |
|
7a254d0705e2
patch 8.2.3193: screenpos() is wrong when 'display' is "lastline"
Bram Moolenaar <Bram@vim.org>
parents:
25172
diff
changeset
|
1271 row = rowoff = scol = ccol = ecol = 0; |
|
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1272 } |
|
27352
2bec1976362c
patch 8.2.4204: screenpos() has non-zero row for invisible text
Bram Moolenaar <Bram@vim.org>
parents:
26771
diff
changeset
|
1273 *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
|
1274 *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
|
1275 *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
|
1276 *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
|
1277 } |
|
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
|
1278 #endif |
|
17292
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1279 |
|
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
|
1280 #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
|
1281 /* |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1282 * "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
|
1283 */ |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1284 void |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1285 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
|
1286 { |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1287 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
|
1288 win_T *wp; |
|
8a095d343c59
patch 8.1.1645: cannot use a popup window for a balloon
Bram Moolenaar <Bram@vim.org>
parents:
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|
1289 pos_T pos; |
|
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1290 int row = 0; |
|
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1291 int scol = 0, ccol = 0, ecol = 0; |
|
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1292 |
|
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1293 if (rettv_dict_alloc(rettv) != OK) |
|
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1294 return; |
|
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|
1295 dict = rettv->vval.v_dict; |
|
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|
1296 |
|
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|
1297 if (in_vim9script() |
|
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|
1298 && (check_for_number_arg(argvars, 0) == FAIL |
|
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|
1299 || check_for_number_arg(argvars, 1) == FAIL |
|
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|
1300 || check_for_number_arg(argvars, 2) == FAIL)) |
|
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|
1301 return; |
|
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|
1302 |
|
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|
1303 wp = find_win_by_nr_or_id(&argvars[0]); |
|
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|
1304 if (wp == NULL) |
|
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|
1305 return; |
|
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|
1306 |
|
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|
1307 pos.lnum = tv_get_number(&argvars[1]); |
|
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|
1308 pos.col = tv_get_number(&argvars[2]) - 1; |
|
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|
1309 pos.coladd = 0; |
|
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|
1310 textpos2screenpos(wp, &pos, &row, &scol, &ccol, &ecol); |
|
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|
1311 |
|
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|
1312 dict_add_number(dict, "row", row); |
|
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changeset
|
1313 dict_add_number(dict, "col", scol); |
|
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|
1314 dict_add_number(dict, "curscol", ccol); |
|
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|
1315 dict_add_number(dict, "endcol", ecol); |
|
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|
1316 } |
|
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1317 #endif |
|
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1318 |
| 7 | 1319 /* |
| 1320 * Scroll the current window down by "line_count" logical lines. "CTRL-Y" | |
| 1321 */ | |
| 1322 void | |
|
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|
1323 scrolldown( |
|
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1324 long line_count, |
|
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|
1325 int byfold UNUSED) // TRUE: count a closed fold as one line |
| 7 | 1326 { |
|
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|
1327 long done = 0; // total # of physical lines done |
| 7 | 1328 int wrow; |
| 1329 int moved = FALSE; | |
| 1330 | |
| 1331 #ifdef FEAT_FOLDING | |
| 1332 linenr_T first; | |
| 1333 | |
|
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|
1334 // Make sure w_topline is at the first of a sequence of folded lines. |
| 7 | 1335 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
| 1336 #endif | |
|
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1337 validate_cursor(); // w_wrow needs to be valid |
| 7 | 1338 while (line_count-- > 0) |
| 1339 { | |
| 1340 #ifdef FEAT_DIFF | |
| 1980 | 1341 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline) |
| 1342 && curwin->w_topfill < curwin->w_height - 1) | |
| 7 | 1343 { |
| 1344 ++curwin->w_topfill; | |
| 1345 ++done; | |
| 1346 } | |
| 1347 else | |
| 1348 #endif | |
| 1349 { | |
| 1350 if (curwin->w_topline == 1) | |
| 1351 break; | |
| 1352 --curwin->w_topline; | |
| 1353 #ifdef FEAT_DIFF | |
| 1354 curwin->w_topfill = 0; | |
| 1355 #endif | |
| 1356 #ifdef FEAT_FOLDING | |
|
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|
1357 // A sequence of folded lines only counts for one logical line |
| 7 | 1358 if (hasFolding(curwin->w_topline, &first, NULL)) |
| 1359 { | |
| 1360 ++done; | |
| 1361 if (!byfold) | |
| 1362 line_count -= curwin->w_topline - first - 1; | |
| 1363 curwin->w_botline -= curwin->w_topline - first; | |
| 1364 curwin->w_topline = first; | |
| 1365 } | |
| 1366 else | |
| 1367 #endif | |
|
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1368 done += PLINES_NOFILL(curwin->w_topline); |
| 7 | 1369 } |
|
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|
1370 --curwin->w_botline; // approximate w_botline |
| 7 | 1371 invalidate_botline(); |
| 1372 } | |
|
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1373 curwin->w_wrow += done; // keep w_wrow updated |
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|
1374 curwin->w_cline_row += done; // keep w_cline_row updated |
| 7 | 1375 |
| 1376 #ifdef FEAT_DIFF | |
| 1377 if (curwin->w_cursor.lnum == curwin->w_topline) | |
| 1378 curwin->w_cline_row = 0; | |
| 1379 check_topfill(curwin, TRUE); | |
| 1380 #endif | |
| 1381 | |
| 1382 /* | |
| 1383 * Compute the row number of the last row of the cursor line | |
| 1384 * and move the cursor onto the displayed part of the window. | |
| 1385 */ | |
| 1386 wrow = curwin->w_wrow; | |
|
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changeset
|
1387 if (curwin->w_p_wrap && curwin->w_width != 0) |
| 7 | 1388 { |
| 1389 validate_virtcol(); | |
| 1390 validate_cheight(); | |
| 1391 wrow += curwin->w_cline_height - 1 - | |
|
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changeset
|
1392 curwin->w_virtcol / curwin->w_width; |
| 7 | 1393 } |
| 1394 while (wrow >= curwin->w_height && curwin->w_cursor.lnum > 1) | |
| 1395 { | |
| 1396 #ifdef FEAT_FOLDING | |
| 1397 if (hasFolding(curwin->w_cursor.lnum, &first, NULL)) | |
| 1398 { | |
| 1399 --wrow; | |
| 1400 if (first == 1) | |
| 1401 curwin->w_cursor.lnum = 1; | |
| 1402 else | |
| 1403 curwin->w_cursor.lnum = first - 1; | |
| 1404 } | |
| 1405 else | |
| 1406 #endif | |
| 1407 wrow -= plines(curwin->w_cursor.lnum--); | |
| 1408 curwin->w_valid &= | |
| 1409 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL); | |
| 1410 moved = TRUE; | |
| 1411 } | |
| 1412 if (moved) | |
| 1413 { | |
| 1414 #ifdef FEAT_FOLDING | |
|
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|
1415 // Move cursor to first line of closed fold. |
| 7 | 1416 foldAdjustCursor(); |
| 1417 #endif | |
| 1418 coladvance(curwin->w_curswant); | |
| 1419 } | |
| 1420 } | |
| 1421 | |
| 1422 /* | |
| 1423 * Scroll the current window up by "line_count" logical lines. "CTRL-E" | |
| 1424 */ | |
| 1425 void | |
|
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|
1426 scrollup( |
|
2a8d6b2dd925
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diff
changeset
|
1427 long line_count, |
|
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parents:
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diff
changeset
|
1428 int byfold UNUSED) // TRUE: count a closed fold as one line |
| 7 | 1429 { |
| 1430 #if defined(FEAT_FOLDING) || defined(FEAT_DIFF) | |
| 1431 linenr_T lnum; | |
| 1432 | |
| 1433 if ( | |
| 1434 # ifdef FEAT_FOLDING | |
| 1435 (byfold && hasAnyFolding(curwin)) | |
| 1436 # ifdef FEAT_DIFF | |
| 1437 || | |
| 1438 # endif | |
| 1439 # endif | |
| 1440 # ifdef FEAT_DIFF | |
| 1441 curwin->w_p_diff | |
| 1442 # endif | |
| 1443 ) | |
| 1444 { | |
|
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changeset
|
1445 // count each sequence of folded lines as one logical line |
| 7 | 1446 lnum = curwin->w_topline; |
| 1447 while (line_count--) | |
| 1448 { | |
| 1449 # ifdef FEAT_DIFF | |
| 1450 if (curwin->w_topfill > 0) | |
| 1451 --curwin->w_topfill; | |
| 1452 else | |
| 1453 # endif | |
| 1454 { | |
| 1455 # ifdef FEAT_FOLDING | |
| 1456 if (byfold) | |
| 1457 (void)hasFolding(lnum, NULL, &lnum); | |
| 1458 # endif | |
| 1459 if (lnum >= curbuf->b_ml.ml_line_count) | |
| 1460 break; | |
| 1461 ++lnum; | |
| 1462 # ifdef FEAT_DIFF | |
| 1463 curwin->w_topfill = diff_check_fill(curwin, lnum); | |
| 1464 # endif | |
| 1465 } | |
| 1466 } | |
|
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changeset
|
1467 // approximate w_botline |
| 7 | 1468 curwin->w_botline += lnum - curwin->w_topline; |
| 1469 curwin->w_topline = lnum; | |
| 1470 } | |
| 1471 else | |
| 1472 #endif | |
| 1473 { | |
| 1474 curwin->w_topline += line_count; | |
|
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changeset
|
1475 curwin->w_botline += line_count; // approximate w_botline |
| 7 | 1476 } |
| 1477 | |
| 1478 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 1479 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 1480 if (curwin->w_botline > curbuf->b_ml.ml_line_count + 1) | |
| 1481 curwin->w_botline = curbuf->b_ml.ml_line_count + 1; | |
| 1482 | |
| 1483 #ifdef FEAT_DIFF | |
| 1484 check_topfill(curwin, FALSE); | |
| 1485 #endif | |
| 1486 | |
| 1487 #ifdef FEAT_FOLDING | |
| 1488 if (hasAnyFolding(curwin)) | |
|
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changeset
|
1489 // Make sure w_topline is at the first of a sequence of folded lines. |
| 7 | 1490 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
| 1491 #endif | |
| 1492 | |
| 1493 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
| 1494 if (curwin->w_cursor.lnum < curwin->w_topline) | |
| 1495 { | |
| 1496 curwin->w_cursor.lnum = curwin->w_topline; | |
| 1497 curwin->w_valid &= | |
| 1498 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL); | |
| 1499 coladvance(curwin->w_curswant); | |
| 1500 } | |
| 1501 } | |
| 1502 | |
| 1503 #ifdef FEAT_DIFF | |
| 1504 /* | |
| 1505 * Don't end up with too many filler lines in the window. | |
| 1506 */ | |
| 1507 void | |
|
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changeset
|
1508 check_topfill( |
|
2a8d6b2dd925
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changeset
|
1509 win_T *wp, |
|
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|
1510 int down) // when TRUE scroll down when not enough space |
| 7 | 1511 { |
| 1512 int n; | |
| 1513 | |
| 1514 if (wp->w_topfill > 0) | |
| 1515 { | |
| 1516 n = plines_win_nofill(wp, wp->w_topline, TRUE); | |
| 1517 if (wp->w_topfill + n > wp->w_height) | |
| 1518 { | |
| 1519 if (down && wp->w_topline > 1) | |
| 1520 { | |
| 1521 --wp->w_topline; | |
| 1522 wp->w_topfill = 0; | |
| 1523 } | |
| 1524 else | |
| 1525 { | |
| 1526 wp->w_topfill = wp->w_height - n; | |
| 1527 if (wp->w_topfill < 0) | |
| 1528 wp->w_topfill = 0; | |
| 1529 } | |
| 1530 } | |
| 1531 } | |
| 1532 } | |
| 1533 | |
| 1534 /* | |
| 1535 * Use as many filler lines as possible for w_topline. Make sure w_topline | |
| 1536 * is still visible. | |
| 1537 */ | |
| 1538 static void | |
|
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diff
changeset
|
1539 max_topfill(void) |
| 7 | 1540 { |
| 1541 int n; | |
| 1542 | |
| 1543 n = plines_nofill(curwin->w_topline); | |
| 1544 if (n >= curwin->w_height) | |
| 1545 curwin->w_topfill = 0; | |
| 1546 else | |
| 1547 { | |
| 1548 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
| 1549 if (curwin->w_topfill + n > curwin->w_height) | |
| 1550 curwin->w_topfill = curwin->w_height - n; | |
| 1551 } | |
| 1552 } | |
| 1553 #endif | |
| 1554 | |
| 1555 /* | |
| 1556 * Scroll the screen one line down, but don't do it if it would move the | |
| 1557 * cursor off the screen. | |
| 1558 */ | |
| 1559 void | |
|
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changeset
|
1560 scrolldown_clamp(void) |
| 7 | 1561 { |
| 1562 int end_row; | |
| 1563 #ifdef FEAT_DIFF | |
| 1564 int can_fill = (curwin->w_topfill | |
| 1565 < diff_check_fill(curwin, curwin->w_topline)); | |
| 1566 #endif | |
| 1567 | |
| 1568 if (curwin->w_topline <= 1 | |
| 1569 #ifdef FEAT_DIFF | |
| 1570 && !can_fill | |
| 1571 #endif | |
| 1572 ) | |
| 1573 return; | |
| 1574 | |
|
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|
1575 validate_cursor(); // w_wrow needs to be valid |
| 7 | 1576 |
| 1577 /* | |
| 1578 * Compute the row number of the last row of the cursor line | |
| 1579 * and make sure it doesn't go off the screen. Make sure the cursor | |
| 1580 * doesn't go past 'scrolloff' lines from the screen end. | |
| 1581 */ | |
| 1582 end_row = curwin->w_wrow; | |
| 1583 #ifdef FEAT_DIFF | |
| 1584 if (can_fill) | |
| 1585 ++end_row; | |
| 1586 else | |
| 1587 end_row += plines_nofill(curwin->w_topline - 1); | |
| 1588 #else | |
| 1589 end_row += plines(curwin->w_topline - 1); | |
| 1590 #endif | |
|
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1591 if (curwin->w_p_wrap && curwin->w_width != 0) |
| 7 | 1592 { |
| 1593 validate_cheight(); | |
| 1594 validate_virtcol(); | |
| 1595 end_row += curwin->w_cline_height - 1 - | |
|
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|
1596 curwin->w_virtcol / curwin->w_width; |
| 7 | 1597 } |
|
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|
1598 if (end_row < curwin->w_height - get_scrolloff_value()) |
| 7 | 1599 { |
| 1600 #ifdef FEAT_DIFF | |
| 1601 if (can_fill) | |
| 1602 { | |
| 1603 ++curwin->w_topfill; | |
| 1604 check_topfill(curwin, TRUE); | |
| 1605 } | |
| 1606 else | |
| 1607 { | |
| 1608 --curwin->w_topline; | |
| 1609 curwin->w_topfill = 0; | |
| 1610 } | |
| 1611 #else | |
| 1612 --curwin->w_topline; | |
| 1613 #endif | |
| 1614 #ifdef FEAT_FOLDING | |
| 7009 | 1615 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
| 7 | 1616 #endif |
|
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1617 --curwin->w_botline; // approximate w_botline |
| 7 | 1618 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); |
| 1619 } | |
| 1620 } | |
| 1621 | |
| 1622 /* | |
| 1623 * Scroll the screen one line up, but don't do it if it would move the cursor | |
| 1624 * off the screen. | |
| 1625 */ | |
| 1626 void | |
|
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changeset
|
1627 scrollup_clamp(void) |
| 7 | 1628 { |
| 1629 int start_row; | |
| 1630 | |
| 1631 if (curwin->w_topline == curbuf->b_ml.ml_line_count | |
| 1632 #ifdef FEAT_DIFF | |
| 1633 && curwin->w_topfill == 0 | |
| 1634 #endif | |
| 1635 ) | |
| 1636 return; | |
| 1637 | |
|
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|
1638 validate_cursor(); // w_wrow needs to be valid |
| 7 | 1639 |
| 1640 /* | |
| 1641 * Compute the row number of the first row of the cursor line | |
| 1642 * and make sure it doesn't go off the screen. Make sure the cursor | |
| 1643 * doesn't go before 'scrolloff' lines from the screen start. | |
| 1644 */ | |
| 1645 #ifdef FEAT_DIFF | |
| 1646 start_row = curwin->w_wrow - plines_nofill(curwin->w_topline) | |
| 1647 - curwin->w_topfill; | |
| 1648 #else | |
| 1649 start_row = curwin->w_wrow - plines(curwin->w_topline); | |
| 1650 #endif | |
|
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1651 if (curwin->w_p_wrap && curwin->w_width != 0) |
| 7 | 1652 { |
| 1653 validate_virtcol(); | |
|
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1654 start_row -= curwin->w_virtcol / curwin->w_width; |
| 7 | 1655 } |
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1656 if (start_row >= get_scrolloff_value()) |
| 7 | 1657 { |
| 1658 #ifdef FEAT_DIFF | |
| 1659 if (curwin->w_topfill > 0) | |
| 1660 --curwin->w_topfill; | |
| 1661 else | |
| 1662 #endif | |
| 36 | 1663 { |
| 1664 #ifdef FEAT_FOLDING | |
| 1665 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline); | |
| 1666 #endif | |
| 7 | 1667 ++curwin->w_topline; |
| 36 | 1668 } |
|
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1669 ++curwin->w_botline; // approximate w_botline |
| 7 | 1670 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); |
| 1671 } | |
| 1672 } | |
| 1673 | |
| 1674 /* | |
| 1675 * Add one line above "lp->lnum". This can be a filler line, a closed fold or | |
| 1676 * a (wrapped) text line. Uses and sets "lp->fill". | |
| 1677 * Returns the height of the added line in "lp->height". | |
|
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1678 * Lines above the first one are incredibly high: MAXCOL. |
| 7 | 1679 */ |
| 1680 static void | |
|
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|
1681 topline_back(lineoff_T *lp) |
| 7 | 1682 { |
| 1683 #ifdef FEAT_DIFF | |
| 1684 if (lp->fill < diff_check_fill(curwin, lp->lnum)) | |
| 1685 { | |
|
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1686 // Add a filler line. |
| 7 | 1687 ++lp->fill; |
| 1688 lp->height = 1; | |
| 1689 } | |
| 1690 else | |
| 1691 #endif | |
| 1692 { | |
| 1693 --lp->lnum; | |
| 1694 #ifdef FEAT_DIFF | |
| 1695 lp->fill = 0; | |
| 1696 #endif | |
| 1697 if (lp->lnum < 1) | |
| 1698 lp->height = MAXCOL; | |
| 1699 else | |
| 1700 #ifdef FEAT_FOLDING | |
| 1701 if (hasFolding(lp->lnum, &lp->lnum, NULL)) | |
|
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1702 // Add a closed fold |
| 7 | 1703 lp->height = 1; |
| 1704 else | |
| 1705 #endif | |
|
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|
1706 lp->height = PLINES_NOFILL(lp->lnum); |
| 7 | 1707 } |
| 1708 } | |
| 1709 | |
| 1710 /* | |
| 1711 * Add one line below "lp->lnum". This can be a filler line, a closed fold or | |
| 1712 * a (wrapped) text line. Uses and sets "lp->fill". | |
| 1713 * Returns the height of the added line in "lp->height". | |
| 1714 * Lines below the last one are incredibly high. | |
| 1715 */ | |
| 1716 static void | |
|
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|
1717 botline_forw(lineoff_T *lp) |
| 7 | 1718 { |
| 1719 #ifdef FEAT_DIFF | |
| 1720 if (lp->fill < diff_check_fill(curwin, lp->lnum + 1)) | |
| 1721 { | |
|
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1722 // Add a filler line. |
| 7 | 1723 ++lp->fill; |
| 1724 lp->height = 1; | |
| 1725 } | |
| 1726 else | |
| 1727 #endif | |
| 1728 { | |
| 1729 ++lp->lnum; | |
| 1730 #ifdef FEAT_DIFF | |
| 1731 lp->fill = 0; | |
| 1732 #endif | |
| 1733 if (lp->lnum > curbuf->b_ml.ml_line_count) | |
| 1734 lp->height = MAXCOL; | |
| 1735 else | |
| 1736 #ifdef FEAT_FOLDING | |
| 1737 if (hasFolding(lp->lnum, NULL, &lp->lnum)) | |
|
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1738 // Add a closed fold |
| 7 | 1739 lp->height = 1; |
| 1740 else | |
| 1741 #endif | |
|
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1742 lp->height = PLINES_NOFILL(lp->lnum); |
| 7 | 1743 } |
| 1744 } | |
| 1745 | |
| 1746 #ifdef FEAT_DIFF | |
| 1747 /* | |
| 1748 * Switch from including filler lines below lp->lnum to including filler | |
| 1749 * lines above loff.lnum + 1. This keeps pointing to the same line. | |
| 1750 * When there are no filler lines nothing changes. | |
| 1751 */ | |
| 1752 static void | |
|
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|
1753 botline_topline(lineoff_T *lp) |
| 7 | 1754 { |
| 1755 if (lp->fill > 0) | |
| 1756 { | |
| 1757 ++lp->lnum; | |
| 1758 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1; | |
| 1759 } | |
| 1760 } | |
| 1761 | |
| 1762 /* | |
| 1763 * Switch from including filler lines above lp->lnum to including filler | |
| 1764 * lines below loff.lnum - 1. This keeps pointing to the same line. | |
| 1765 * When there are no filler lines nothing changes. | |
| 1766 */ | |
| 1767 static void | |
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1768 topline_botline(lineoff_T *lp) |
| 7 | 1769 { |
| 1770 if (lp->fill > 0) | |
| 1771 { | |
| 1772 lp->fill = diff_check_fill(curwin, lp->lnum) - lp->fill + 1; | |
| 1773 --lp->lnum; | |
| 1774 } | |
| 1775 } | |
| 1776 #endif | |
| 1777 | |
| 1778 /* | |
| 1779 * Recompute topline to put the cursor at the top of the window. | |
| 1780 * Scroll at least "min_scroll" lines. | |
| 1781 * If "always" is TRUE, always set topline (for "zt"). | |
| 1782 */ | |
| 1783 void | |
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1784 scroll_cursor_top(int min_scroll, int always) |
| 7 | 1785 { |
| 1786 int scrolled = 0; | |
| 1787 int extra = 0; | |
| 1788 int used; | |
| 1789 int i; | |
|
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1790 linenr_T top; // just above displayed lines |
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1791 linenr_T bot; // just below displayed lines |
| 7 | 1792 linenr_T old_topline = curwin->w_topline; |
| 1793 #ifdef FEAT_DIFF | |
| 1794 linenr_T old_topfill = curwin->w_topfill; | |
| 1795 #endif | |
| 1796 linenr_T new_topline; | |
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1797 int off = get_scrolloff_value(); |
| 7 | 1798 |
| 1799 if (mouse_dragging > 0) | |
| 1800 off = mouse_dragging - 1; | |
| 1801 | |
| 1802 /* | |
| 1803 * Decrease topline until: | |
| 1804 * - it has become 1 | |
| 1805 * - (part of) the cursor line is moved off the screen or | |
| 1806 * - moved at least 'scrolljump' lines and | |
| 1807 * - at least 'scrolloff' lines above and below the cursor | |
| 1808 */ | |
| 1809 validate_cheight(); | |
|
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1810 used = curwin->w_cline_height; // includes filler lines above |
| 7 | 1811 if (curwin->w_cursor.lnum < curwin->w_topline) |
| 1812 scrolled = used; | |
| 1813 | |
| 1814 #ifdef FEAT_FOLDING | |
| 1815 if (hasFolding(curwin->w_cursor.lnum, &top, &bot)) | |
| 1816 { | |
| 1817 --top; | |
| 1818 ++bot; | |
| 1819 } | |
| 1820 else | |
| 1821 #endif | |
| 1822 { | |
| 1823 top = curwin->w_cursor.lnum - 1; | |
| 1824 bot = curwin->w_cursor.lnum + 1; | |
| 1825 } | |
| 1826 new_topline = top + 1; | |
| 1827 | |
| 1828 #ifdef FEAT_DIFF | |
|
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1829 // "used" already contains the number of filler lines above, don't add it |
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1830 // again. |
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1831 // Hide filler lines above cursor line by adding them to "extra". |
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|
1832 extra += diff_check_fill(curwin, curwin->w_cursor.lnum); |
| 7 | 1833 #endif |
| 1834 | |
| 1835 /* | |
| 1836 * Check if the lines from "top" to "bot" fit in the window. If they do, | |
| 1837 * set new_topline and advance "top" and "bot" to include more lines. | |
| 1838 */ | |
| 1839 while (top > 0) | |
| 1840 { | |
| 1841 #ifdef FEAT_FOLDING | |
| 1842 if (hasFolding(top, &top, NULL)) | |
|
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1843 // count one logical line for a sequence of folded lines |
| 7 | 1844 i = 1; |
| 1845 else | |
| 1846 #endif | |
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|
1847 i = PLINES_NOFILL(top); |
| 7 | 1848 used += i; |
| 1849 if (extra + i <= off && bot < curbuf->b_ml.ml_line_count) | |
| 1850 { | |
| 1851 #ifdef FEAT_FOLDING | |
| 1852 if (hasFolding(bot, NULL, &bot)) | |
|
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|
1853 // count one logical line for a sequence of folded lines |
| 7 | 1854 ++used; |
| 1855 else | |
| 1856 #endif | |
| 1857 used += plines(bot); | |
| 1858 } | |
| 1859 if (used > curwin->w_height) | |
| 1860 break; | |
| 1861 if (top < curwin->w_topline) | |
| 1862 scrolled += i; | |
| 1863 | |
| 1864 /* | |
| 1865 * If scrolling is needed, scroll at least 'sj' lines. | |
| 1866 */ | |
| 1867 if ((new_topline >= curwin->w_topline || scrolled > min_scroll) | |
| 1868 && extra >= off) | |
| 1869 break; | |
| 1870 | |
| 1871 extra += i; | |
| 1872 new_topline = top; | |
| 1873 --top; | |
| 1874 ++bot; | |
| 1875 } | |
| 1876 | |
| 1877 /* | |
| 1878 * If we don't have enough space, put cursor in the middle. | |
| 1879 * This makes sure we get the same position when using "k" and "j" | |
| 1880 * in a small window. | |
| 1881 */ | |
| 1882 if (used > curwin->w_height) | |
| 1883 scroll_cursor_halfway(FALSE); | |
| 1884 else | |
| 1885 { | |
| 1886 /* | |
| 1887 * If "always" is FALSE, only adjust topline to a lower value, higher | |
| 1888 * value may happen with wrapping lines | |
| 1889 */ | |
| 1890 if (new_topline < curwin->w_topline || always) | |
| 1891 curwin->w_topline = new_topline; | |
| 1892 if (curwin->w_topline > curwin->w_cursor.lnum) | |
| 1893 curwin->w_topline = curwin->w_cursor.lnum; | |
| 1894 #ifdef FEAT_DIFF | |
| 1895 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
| 1896 if (curwin->w_topfill > 0 && extra > off) | |
| 1897 { | |
| 1898 curwin->w_topfill -= extra - off; | |
| 1899 if (curwin->w_topfill < 0) | |
| 1900 curwin->w_topfill = 0; | |
| 1901 } | |
| 1902 check_topfill(curwin, FALSE); | |
| 1903 #endif | |
| 1904 if (curwin->w_topline != old_topline | |
| 1905 #ifdef FEAT_DIFF | |
| 1906 || curwin->w_topfill != old_topfill | |
| 1907 #endif | |
| 1908 ) | |
| 1909 curwin->w_valid &= | |
| 1910 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
| 1911 curwin->w_valid |= VALID_TOPLINE; | |
| 1912 } | |
| 1913 } | |
| 1914 | |
| 1915 /* | |
| 1916 * Set w_empty_rows and w_filler_rows for window "wp", having used up "used" | |
| 1917 * screen lines for text lines. | |
| 1918 */ | |
| 1919 void | |
|
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1920 set_empty_rows(win_T *wp, int used) |
| 7 | 1921 { |
| 1922 #ifdef FEAT_DIFF | |
| 1923 wp->w_filler_rows = 0; | |
| 1924 #endif | |
| 1925 if (used == 0) | |
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1926 wp->w_empty_rows = 0; // single line that doesn't fit |
| 7 | 1927 else |
| 1928 { | |
| 1929 wp->w_empty_rows = wp->w_height - used; | |
| 1930 #ifdef FEAT_DIFF | |
| 1931 if (wp->w_botline <= wp->w_buffer->b_ml.ml_line_count) | |
| 1932 { | |
| 1933 wp->w_filler_rows = diff_check_fill(wp, wp->w_botline); | |
| 1934 if (wp->w_empty_rows > wp->w_filler_rows) | |
| 1935 wp->w_empty_rows -= wp->w_filler_rows; | |
| 1936 else | |
| 1937 { | |
| 1938 wp->w_filler_rows = wp->w_empty_rows; | |
| 1939 wp->w_empty_rows = 0; | |
| 1940 } | |
| 1941 } | |
| 1942 #endif | |
| 1943 } | |
| 1944 } | |
| 1945 | |
| 1946 /* | |
| 1947 * Recompute topline to put the cursor at the bottom of the window. | |
| 1948 * Scroll at least "min_scroll" lines. | |
| 1949 * If "set_topbot" is TRUE, set topline and botline first (for "zb"). | |
| 1950 * This is messy stuff!!! | |
| 1951 */ | |
| 1952 void | |
|
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1953 scroll_cursor_bot(int min_scroll, int set_topbot) |
| 7 | 1954 { |
| 1955 int used; | |
| 1956 int scrolled = 0; | |
| 1957 int extra = 0; | |
| 1958 int i; | |
| 1959 linenr_T line_count; | |
| 1960 linenr_T old_topline = curwin->w_topline; | |
| 1961 lineoff_T loff; | |
| 1962 lineoff_T boff; | |
| 1963 #ifdef FEAT_DIFF | |
| 1964 int old_topfill = curwin->w_topfill; | |
| 1965 int fill_below_window; | |
| 1966 #endif | |
| 1967 linenr_T old_botline = curwin->w_botline; | |
| 1968 linenr_T old_valid = curwin->w_valid; | |
| 1969 int old_empty_rows = curwin->w_empty_rows; | |
|
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1970 linenr_T cln; // Cursor Line Number |
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parents:
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diff
changeset
|
1971 long so = get_scrolloff_value(); |
| 7 | 1972 |
| 1973 cln = curwin->w_cursor.lnum; | |
| 1974 if (set_topbot) | |
| 1975 { | |
| 1976 used = 0; | |
| 1977 curwin->w_botline = cln + 1; | |
| 1978 #ifdef FEAT_DIFF | |
| 1979 loff.fill = 0; | |
| 1980 #endif | |
| 1981 for (curwin->w_topline = curwin->w_botline; | |
| 1982 curwin->w_topline > 1; | |
| 1983 curwin->w_topline = loff.lnum) | |
| 1984 { | |
| 1985 loff.lnum = curwin->w_topline; | |
| 1986 topline_back(&loff); | |
|
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changeset
|
1987 if (loff.height == MAXCOL || used + loff.height > curwin->w_height) |
| 7 | 1988 break; |
| 1989 used += loff.height; | |
| 1990 #ifdef FEAT_DIFF | |
| 1991 curwin->w_topfill = loff.fill; | |
| 1992 #endif | |
| 1993 } | |
| 1994 set_empty_rows(curwin, used); | |
| 1995 curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP; | |
| 1996 if (curwin->w_topline != old_topline | |
| 1997 #ifdef FEAT_DIFF | |
| 1998 || curwin->w_topfill != old_topfill | |
| 1999 #endif | |
| 2000 ) | |
| 2001 curwin->w_valid &= ~(VALID_WROW|VALID_CROW); | |
| 2002 } | |
| 2003 else | |
| 2004 validate_botline(); | |
| 2005 | |
|
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diff
changeset
|
2006 // The lines of the cursor line itself are always used. |
| 7 | 2007 #ifdef FEAT_DIFF |
| 2008 used = plines_nofill(cln); | |
| 2009 #else | |
| 2010 validate_cheight(); | |
| 2011 used = curwin->w_cline_height; | |
| 2012 #endif | |
| 2013 | |
|
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parents:
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diff
changeset
|
2014 // If the cursor is below botline, we will at least scroll by the height |
|
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patch 8.2.0026: still some /* */ comments
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parents:
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diff
changeset
|
2015 // of the cursor line. Correct for empty lines, which are really part of |
|
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diff
changeset
|
2016 // botline. |
| 7 | 2017 if (cln >= curwin->w_botline) |
| 2018 { | |
| 2019 scrolled = used; | |
| 2020 if (cln == curwin->w_botline) | |
| 2021 scrolled -= curwin->w_empty_rows; | |
| 2022 } | |
| 2023 | |
| 2024 /* | |
| 2025 * Stop counting lines to scroll when | |
| 2026 * - hitting start of the file | |
| 2027 * - scrolled nothing or at least 'sj' lines | |
|
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parents:
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diff
changeset
|
2028 * - at least 'scrolloff' lines below the cursor |
| 7 | 2029 * - lines between botline and cursor have been counted |
| 2030 */ | |
| 2031 #ifdef FEAT_FOLDING | |
| 2032 if (!hasFolding(curwin->w_cursor.lnum, &loff.lnum, &boff.lnum)) | |
| 2033 #endif | |
| 2034 { | |
| 2035 loff.lnum = cln; | |
| 2036 boff.lnum = cln; | |
| 2037 } | |
| 2038 #ifdef FEAT_DIFF | |
| 2039 loff.fill = 0; | |
| 2040 boff.fill = 0; | |
| 2041 fill_below_window = diff_check_fill(curwin, curwin->w_botline) | |
| 2042 - curwin->w_filler_rows; | |
| 2043 #endif | |
| 2044 | |
| 2045 while (loff.lnum > 1) | |
| 2046 { | |
|
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diff
changeset
|
2047 // Stop when scrolled nothing or at least "min_scroll", found "extra" |
|
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diff
changeset
|
2048 // context for 'scrolloff' and counted all lines below the window. |
| 7 | 2049 if ((((scrolled <= 0 || scrolled >= min_scroll) |
|
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changeset
|
2050 && extra >= (mouse_dragging > 0 ? mouse_dragging - 1 : so)) |
| 7 | 2051 || boff.lnum + 1 > curbuf->b_ml.ml_line_count) |
| 2052 && loff.lnum <= curwin->w_botline | |
| 2053 #ifdef FEAT_DIFF | |
| 2054 && (loff.lnum < curwin->w_botline | |
| 2055 || loff.fill >= fill_below_window) | |
| 2056 #endif | |
| 2057 ) | |
| 2058 break; | |
| 2059 | |
|
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changeset
|
2060 // Add one line above |
| 7 | 2061 topline_back(&loff); |
|
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|
2062 if (loff.height == MAXCOL) |
|
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|
2063 used = MAXCOL; |
|
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|
2064 else |
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changeset
|
2065 used += loff.height; |
| 7 | 2066 if (used > curwin->w_height) |
| 2067 break; | |
| 2068 if (loff.lnum >= curwin->w_botline | |
| 2069 #ifdef FEAT_DIFF | |
| 2070 && (loff.lnum > curwin->w_botline | |
| 2071 || loff.fill <= fill_below_window) | |
| 2072 #endif | |
| 2073 ) | |
| 2074 { | |
|
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changeset
|
2075 // Count screen lines that are below the window. |
| 7 | 2076 scrolled += loff.height; |
| 2077 if (loff.lnum == curwin->w_botline | |
| 2078 #ifdef FEAT_DIFF | |
|
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changeset
|
2079 && loff.fill == 0 |
| 7 | 2080 #endif |
| 2081 ) | |
| 2082 scrolled -= curwin->w_empty_rows; | |
| 2083 } | |
| 2084 | |
| 2085 if (boff.lnum < curbuf->b_ml.ml_line_count) | |
| 2086 { | |
|
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changeset
|
2087 // Add one line below |
| 7 | 2088 botline_forw(&boff); |
| 2089 used += boff.height; | |
| 2090 if (used > curwin->w_height) | |
| 2091 break; | |
|
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changeset
|
2092 if (extra < ( mouse_dragging > 0 ? mouse_dragging - 1 : so) |
|
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changeset
|
2093 || scrolled < min_scroll) |
| 7 | 2094 { |
| 2095 extra += boff.height; | |
| 2096 if (boff.lnum >= curwin->w_botline | |
| 2097 #ifdef FEAT_DIFF | |
| 2098 || (boff.lnum + 1 == curwin->w_botline | |
| 2099 && boff.fill > curwin->w_filler_rows) | |
| 2100 #endif | |
| 2101 ) | |
| 2102 { | |
|
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changeset
|
2103 // Count screen lines that are below the window. |
| 7 | 2104 scrolled += boff.height; |
| 2105 if (boff.lnum == curwin->w_botline | |
| 2106 #ifdef FEAT_DIFF | |
| 2107 && boff.fill == 0 | |
| 2108 #endif | |
| 2109 ) | |
| 2110 scrolled -= curwin->w_empty_rows; | |
| 2111 } | |
| 2112 } | |
| 2113 } | |
| 2114 } | |
| 2115 | |
|
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|
2116 // curwin->w_empty_rows is larger, no need to scroll |
| 7 | 2117 if (scrolled <= 0) |
| 2118 line_count = 0; | |
|
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changeset
|
2119 // more than a screenfull, don't scroll but redraw |
| 7 | 2120 else if (used > curwin->w_height) |
| 2121 line_count = used; | |
|
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changeset
|
2122 // scroll minimal number of lines |
| 7 | 2123 else |
| 2124 { | |
| 2125 line_count = 0; | |
| 2126 #ifdef FEAT_DIFF | |
| 2127 boff.fill = curwin->w_topfill; | |
| 2128 #endif | |
| 2129 boff.lnum = curwin->w_topline - 1; | |
| 2130 for (i = 0; i < scrolled && boff.lnum < curwin->w_botline; ) | |
| 2131 { | |
| 2132 botline_forw(&boff); | |
| 2133 i += boff.height; | |
| 2134 ++line_count; | |
| 2135 } | |
|
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changeset
|
2136 if (i < scrolled) // below curwin->w_botline, don't scroll |
| 7 | 2137 line_count = 9999; |
| 2138 } | |
| 2139 | |
| 2140 /* | |
| 2141 * Scroll up if the cursor is off the bottom of the screen a bit. | |
| 2142 * Otherwise put it at 1/2 of the screen. | |
| 2143 */ | |
| 2144 if (line_count >= curwin->w_height && line_count > min_scroll) | |
| 2145 scroll_cursor_halfway(FALSE); | |
| 2146 else | |
| 2147 scrollup(line_count, TRUE); | |
| 2148 | |
| 2149 /* | |
| 2150 * If topline didn't change we need to restore w_botline and w_empty_rows | |
| 2151 * (we changed them). | |
| 2152 * If topline did change, update_screen() will set botline. | |
| 2153 */ | |
| 2154 if (curwin->w_topline == old_topline && set_topbot) | |
| 2155 { | |
| 2156 curwin->w_botline = old_botline; | |
| 2157 curwin->w_empty_rows = old_empty_rows; | |
| 2158 curwin->w_valid = old_valid; | |
| 2159 } | |
| 2160 curwin->w_valid |= VALID_TOPLINE; | |
| 2161 } | |
| 2162 | |
| 2163 /* | |
| 2164 * Recompute topline to put the cursor halfway the window | |
| 2165 * If "atend" is TRUE, also put it halfway at the end of the file. | |
| 2166 */ | |
| 2167 void | |
|
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parents:
7803
diff
changeset
|
2168 scroll_cursor_halfway(int atend) |
| 7 | 2169 { |
| 2170 int above = 0; | |
| 2171 linenr_T topline; | |
| 2172 #ifdef FEAT_DIFF | |
| 2173 int topfill = 0; | |
| 2174 #endif | |
| 2175 int below = 0; | |
| 2176 int used; | |
| 2177 lineoff_T loff; | |
| 2178 lineoff_T boff; | |
| 5661 | 2179 #ifdef FEAT_DIFF |
| 5653 | 2180 linenr_T old_topline = curwin->w_topline; |
| 5661 | 2181 #endif |
| 7 | 2182 |
|
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|
2183 #ifdef FEAT_PROP_POPUP |
|
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changeset
|
2184 // if the width changed this needs to be updated first |
|
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|
2185 may_update_popup_position(); |
|
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changeset
|
2186 #endif |
| 7 | 2187 loff.lnum = boff.lnum = curwin->w_cursor.lnum; |
| 2188 #ifdef FEAT_FOLDING | |
| 2189 (void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum); | |
| 2190 #endif | |
| 2191 #ifdef FEAT_DIFF | |
| 2192 used = plines_nofill(loff.lnum); | |
| 2193 loff.fill = 0; | |
| 2194 boff.fill = 0; | |
| 2195 #else | |
| 2196 used = plines(loff.lnum); | |
| 2197 #endif | |
| 2198 topline = loff.lnum; | |
| 2199 while (topline > 1) | |
| 2200 { | |
|
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changeset
|
2201 if (below <= above) // add a line below the cursor first |
| 7 | 2202 { |
| 2203 if (boff.lnum < curbuf->b_ml.ml_line_count) | |
| 2204 { | |
| 2205 botline_forw(&boff); | |
| 2206 used += boff.height; | |
| 2207 if (used > curwin->w_height) | |
| 2208 break; | |
| 2209 below += boff.height; | |
| 2210 } | |
| 2211 else | |
| 2212 { | |
|
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diff
changeset
|
2213 ++below; // count a "~" line |
| 7 | 2214 if (atend) |
| 2215 ++used; | |
| 2216 } | |
| 2217 } | |
| 2218 | |
|
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changeset
|
2219 if (below > above) // add a line above the cursor |
| 7 | 2220 { |
| 2221 topline_back(&loff); | |
|
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|
2222 if (loff.height == MAXCOL) |
|
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|
2223 used = MAXCOL; |
|
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|
2224 else |
|
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changeset
|
2225 used += loff.height; |
| 7 | 2226 if (used > curwin->w_height) |
| 2227 break; | |
| 2228 above += loff.height; | |
| 2229 topline = loff.lnum; | |
| 2230 #ifdef FEAT_DIFF | |
| 2231 topfill = loff.fill; | |
| 2232 #endif | |
| 2233 } | |
| 2234 } | |
| 2235 #ifdef FEAT_FOLDING | |
| 2236 if (!hasFolding(topline, &curwin->w_topline, NULL)) | |
| 2237 #endif | |
| 2238 curwin->w_topline = topline; | |
| 2239 #ifdef FEAT_DIFF | |
| 2240 curwin->w_topfill = topfill; | |
| 5653 | 2241 if (old_topline > curwin->w_topline + curwin->w_height) |
| 2242 curwin->w_botfill = FALSE; | |
| 7 | 2243 check_topfill(curwin, FALSE); |
| 2244 #endif | |
| 2245 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
| 2246 curwin->w_valid |= VALID_TOPLINE; | |
| 2247 } | |
| 2248 | |
| 2249 /* | |
| 2250 * Correct the cursor position so that it is in a part of the screen at least | |
|
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changeset
|
2251 * 'scrolloff' lines from the top and bottom, if possible. |
| 7 | 2252 * If not possible, put it at the same position as scroll_cursor_halfway(). |
| 2253 * When called topline must be valid! | |
| 2254 */ | |
| 2255 void | |
|
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diff
changeset
|
2256 cursor_correct(void) |
| 7 | 2257 { |
|
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|
2258 int above = 0; // screen lines above topline |
| 7 | 2259 linenr_T topline; |
|
18931
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patch 8.2.0026: still some /* */ comments
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|
2260 int below = 0; // screen lines below botline |
| 7 | 2261 linenr_T botline; |
| 2262 int above_wanted, below_wanted; | |
|
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changeset
|
2263 linenr_T cln; // Cursor Line Number |
| 7 | 2264 int max_off; |
|
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changeset
|
2265 long so = get_scrolloff_value(); |
| 7 | 2266 |
| 2267 /* | |
| 2268 * How many lines we would like to have above/below the cursor depends on | |
| 2269 * whether the first/last line of the file is on screen. | |
| 2270 */ | |
|
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|
2271 above_wanted = so; |
|
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changeset
|
2272 below_wanted = so; |
| 1121 | 2273 if (mouse_dragging > 0) |
| 7 | 2274 { |
| 2275 above_wanted = mouse_dragging - 1; | |
| 2276 below_wanted = mouse_dragging - 1; | |
| 2277 } | |
| 2278 if (curwin->w_topline == 1) | |
| 2279 { | |
| 2280 above_wanted = 0; | |
| 2281 max_off = curwin->w_height / 2; | |
| 2282 if (below_wanted > max_off) | |
| 2283 below_wanted = max_off; | |
| 2284 } | |
| 2285 validate_botline(); | |
| 2286 if (curwin->w_botline == curbuf->b_ml.ml_line_count + 1 | |
|
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changeset
|
2287 && mouse_dragging == 0) |
| 7 | 2288 { |
| 2289 below_wanted = 0; | |
| 2290 max_off = (curwin->w_height - 1) / 2; | |
| 2291 if (above_wanted > max_off) | |
| 2292 above_wanted = max_off; | |
| 2293 } | |
| 2294 | |
| 2295 /* | |
| 2296 * If there are sufficient file-lines above and below the cursor, we can | |
| 2297 * return now. | |
| 2298 */ | |
| 2299 cln = curwin->w_cursor.lnum; | |
| 2300 if (cln >= curwin->w_topline + above_wanted | |
| 2301 && cln < curwin->w_botline - below_wanted | |
| 2302 #ifdef FEAT_FOLDING | |
| 2303 && !hasAnyFolding(curwin) | |
| 2304 #endif | |
| 2305 ) | |
| 2306 return; | |
| 2307 | |
| 2308 /* | |
| 2309 * Narrow down the area where the cursor can be put by taking lines from | |
| 2310 * the top and the bottom until: | |
| 2311 * - the desired context lines are found | |
| 2312 * - the lines from the top is past the lines from the bottom | |
| 2313 */ | |
| 2314 topline = curwin->w_topline; | |
| 2315 botline = curwin->w_botline - 1; | |
| 2316 #ifdef FEAT_DIFF | |
|
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changeset
|
2317 // count filler lines as context |
| 7 | 2318 above = curwin->w_topfill; |
| 2319 below = curwin->w_filler_rows; | |
| 2320 #endif | |
| 2321 while ((above < above_wanted || below < below_wanted) && topline < botline) | |
| 2322 { | |
| 2323 if (below < below_wanted && (below <= above || above >= above_wanted)) | |
| 2324 { | |
| 2325 #ifdef FEAT_FOLDING | |
| 2326 if (hasFolding(botline, &botline, NULL)) | |
| 2327 ++below; | |
| 2328 else | |
| 2329 #endif | |
| 2330 below += plines(botline); | |
| 2331 --botline; | |
| 2332 } | |
| 2333 if (above < above_wanted && (above < below || below >= below_wanted)) | |
| 2334 { | |
| 2335 #ifdef FEAT_FOLDING | |
| 2336 if (hasFolding(topline, NULL, &topline)) | |
| 2337 ++above; | |
| 2338 else | |
| 2339 #endif | |
|
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2340 above += PLINES_NOFILL(topline); |
|
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2341 #ifdef FEAT_DIFF |
|
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parents:
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diff
changeset
|
2342 // Count filler lines below this line as context. |
| 7 | 2343 if (topline < botline) |
| 2344 above += diff_check_fill(curwin, topline + 1); | |
| 2345 #endif | |
| 2346 ++topline; | |
| 2347 } | |
| 2348 } | |
| 2349 if (topline == botline || botline == 0) | |
| 2350 curwin->w_cursor.lnum = topline; | |
| 2351 else if (topline > botline) | |
| 2352 curwin->w_cursor.lnum = botline; | |
| 2353 else | |
| 2354 { | |
| 2355 if (cln < topline && curwin->w_topline > 1) | |
| 2356 { | |
| 2357 curwin->w_cursor.lnum = topline; | |
| 2358 curwin->w_valid &= | |
| 2359 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW); | |
| 2360 } | |
| 2361 if (cln > botline && curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
| 2362 { | |
| 2363 curwin->w_cursor.lnum = botline; | |
| 2364 curwin->w_valid &= | |
| 2365 ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW); | |
| 2366 } | |
| 2367 } | |
| 2368 curwin->w_valid |= VALID_TOPLINE; | |
| 2369 } | |
| 2370 | |
|
7803
37c929c4a073
commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents:
7103
diff
changeset
|
2371 static void get_scroll_overlap(lineoff_T *lp, int dir); |
| 7 | 2372 |
| 2373 /* | |
| 2374 * move screen 'count' pages up or down and update screen | |
| 2375 * | |
| 2376 * return FAIL for failure, OK otherwise | |
| 2377 */ | |
| 2378 int | |
|
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2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2379 onepage(int dir, long count) |
| 7 | 2380 { |
| 2381 long n; | |
| 2382 int retval = OK; | |
| 2383 lineoff_T loff; | |
| 2384 linenr_T old_topline = curwin->w_topline; | |
|
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diff
changeset
|
2385 long so = get_scrolloff_value(); |
| 7 | 2386 |
|
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parents:
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diff
changeset
|
2387 if (curbuf->b_ml.ml_line_count == 1) // nothing to do |
| 7 | 2388 { |
| 2389 beep_flush(); | |
| 2390 return FAIL; | |
| 2391 } | |
| 2392 | |
| 2393 for ( ; count > 0; --count) | |
| 2394 { | |
| 2395 validate_botline(); | |
| 2396 /* | |
| 2397 * It's an error to move a page up when the first line is already on | |
| 2398 * the screen. It's an error to move a page down when the last line | |
| 2399 * is on the screen and the topline is 'scrolloff' lines from the | |
| 2400 * last line. | |
| 2401 */ | |
| 2402 if (dir == FORWARD | |
|
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diff
changeset
|
2403 ? ((curwin->w_topline >= curbuf->b_ml.ml_line_count - so) |
| 7 | 2404 && curwin->w_botline > curbuf->b_ml.ml_line_count) |
| 2405 : (curwin->w_topline == 1 | |
| 2406 #ifdef FEAT_DIFF | |
| 2407 && curwin->w_topfill == | |
| 2408 diff_check_fill(curwin, curwin->w_topline) | |
| 2409 #endif | |
| 2410 )) | |
| 2411 { | |
| 2412 beep_flush(); | |
| 2413 retval = FAIL; | |
| 2414 break; | |
| 2415 } | |
| 2416 | |
| 2417 #ifdef FEAT_DIFF | |
| 2418 loff.fill = 0; | |
| 2419 #endif | |
| 2420 if (dir == FORWARD) | |
| 2421 { | |
|
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commit https://github.com/vim/vim/commit/a1f4cb93ba50ea9e40cd4b1f5592b8a6d1398660
Christian Brabandt <cb@256bit.org>
parents:
10295
diff
changeset
|
2422 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1) |
| 7 | 2423 { |
|
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diff
changeset
|
2424 // Vi compatible scrolling |
| 164 | 2425 if (p_window <= 2) |
| 2426 ++curwin->w_topline; | |
| 2427 else | |
| 2428 curwin->w_topline += p_window - 2; | |
| 2429 if (curwin->w_topline > curbuf->b_ml.ml_line_count) | |
| 2430 curwin->w_topline = curbuf->b_ml.ml_line_count; | |
| 2431 curwin->w_cursor.lnum = curwin->w_topline; | |
| 2432 } | |
| 2433 else if (curwin->w_botline > curbuf->b_ml.ml_line_count) | |
| 2434 { | |
|
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diff
changeset
|
2435 // at end of file |
| 7 | 2436 curwin->w_topline = curbuf->b_ml.ml_line_count; |
| 2437 #ifdef FEAT_DIFF | |
| 2438 curwin->w_topfill = 0; | |
| 2439 #endif | |
| 2440 curwin->w_valid &= ~(VALID_WROW|VALID_CROW); | |
| 2441 } | |
| 2442 else | |
| 2443 { | |
|
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diff
changeset
|
2444 // For the overlap, start with the line just below the window |
|
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parents:
18892
diff
changeset
|
2445 // and go upwards. |
| 7 | 2446 loff.lnum = curwin->w_botline; |
| 2447 #ifdef FEAT_DIFF | |
| 2448 loff.fill = diff_check_fill(curwin, loff.lnum) | |
| 2449 - curwin->w_filler_rows; | |
| 2450 #endif | |
| 2451 get_scroll_overlap(&loff, -1); | |
| 2452 curwin->w_topline = loff.lnum; | |
| 2453 #ifdef FEAT_DIFF | |
| 2454 curwin->w_topfill = loff.fill; | |
| 2455 check_topfill(curwin, FALSE); | |
| 2456 #endif | |
| 2457 curwin->w_cursor.lnum = curwin->w_topline; | |
| 2458 curwin->w_valid &= ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW| | |
| 2459 VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
| 2460 } | |
| 2461 } | |
|
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changeset
|
2462 else // dir == BACKWARDS |
| 7 | 2463 { |
| 2464 #ifdef FEAT_DIFF | |
| 2465 if (curwin->w_topline == 1) | |
| 2466 { | |
|
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diff
changeset
|
2467 // Include max number of filler lines |
| 7 | 2468 max_topfill(); |
| 2469 continue; | |
| 2470 } | |
| 2471 #endif | |
|
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10295
diff
changeset
|
2472 if (ONE_WINDOW && p_window > 0 && p_window < Rows - 1) |
| 164 | 2473 { |
|
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changeset
|
2474 // Vi compatible scrolling (sort of) |
| 164 | 2475 if (p_window <= 2) |
| 2476 --curwin->w_topline; | |
| 2477 else | |
| 2478 curwin->w_topline -= p_window - 2; | |
| 2479 if (curwin->w_topline < 1) | |
| 2480 curwin->w_topline = 1; | |
| 2481 curwin->w_cursor.lnum = curwin->w_topline + p_window - 1; | |
| 2482 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) | |
| 2483 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; | |
| 2484 continue; | |
| 2485 } | |
| 2486 | |
|
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diff
changeset
|
2487 // Find the line at the top of the window that is going to be the |
|
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diff
changeset
|
2488 // line at the bottom of the window. Make sure this results in |
|
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diff
changeset
|
2489 // the same line as before doing CTRL-F. |
| 7 | 2490 loff.lnum = curwin->w_topline - 1; |
| 2491 #ifdef FEAT_DIFF | |
| 2492 loff.fill = diff_check_fill(curwin, loff.lnum + 1) | |
| 2493 - curwin->w_topfill; | |
| 2494 #endif | |
| 2495 get_scroll_overlap(&loff, 1); | |
| 2496 | |
| 2497 if (loff.lnum >= curbuf->b_ml.ml_line_count) | |
| 2498 { | |
| 2499 loff.lnum = curbuf->b_ml.ml_line_count; | |
| 2500 #ifdef FEAT_DIFF | |
| 2501 loff.fill = 0; | |
| 2502 } | |
| 2503 else | |
| 2504 { | |
| 2505 botline_topline(&loff); | |
| 2506 #endif | |
| 2507 } | |
| 2508 curwin->w_cursor.lnum = loff.lnum; | |
| 2509 | |
|
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diff
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|
2510 // Find the line just above the new topline to get the right line |
|
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diff
changeset
|
2511 // at the bottom of the window. |
| 7 | 2512 n = 0; |
| 2513 while (n <= curwin->w_height && loff.lnum >= 1) | |
| 2514 { | |
| 2515 topline_back(&loff); | |
|
2082
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parents:
2070
diff
changeset
|
2516 if (loff.height == MAXCOL) |
|
8ca3c9ad0bee
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2070
diff
changeset
|
2517 n = MAXCOL; |
|
8ca3c9ad0bee
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parents:
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diff
changeset
|
2518 else |
|
8ca3c9ad0bee
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diff
changeset
|
2519 n += loff.height; |
| 7 | 2520 } |
|
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diff
changeset
|
2521 if (loff.lnum < 1) // at begin of file |
| 7 | 2522 { |
| 2523 curwin->w_topline = 1; | |
| 2524 #ifdef FEAT_DIFF | |
| 2525 max_topfill(); | |
| 2526 #endif | |
| 2527 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
| 2528 } | |
| 2529 else | |
| 2530 { | |
|
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diff
changeset
|
2531 // Go two lines forward again. |
| 7 | 2532 #ifdef FEAT_DIFF |
| 2533 topline_botline(&loff); | |
| 2534 #endif | |
| 2535 botline_forw(&loff); | |
| 2536 botline_forw(&loff); | |
| 2537 #ifdef FEAT_DIFF | |
| 2538 botline_topline(&loff); | |
| 2539 #endif | |
| 2540 #ifdef FEAT_FOLDING | |
|
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diff
changeset
|
2541 // We're at the wrong end of a fold now. |
| 7 | 2542 (void)hasFolding(loff.lnum, &loff.lnum, NULL); |
| 2543 #endif | |
| 2544 | |
|
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diff
changeset
|
2545 // Always scroll at least one line. Avoid getting stuck on |
|
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parents:
18892
diff
changeset
|
2546 // very long lines. |
| 7 | 2547 if (loff.lnum >= curwin->w_topline |
| 2548 #ifdef FEAT_DIFF | |
| 2549 && (loff.lnum > curwin->w_topline | |
| 2550 || loff.fill >= curwin->w_topfill) | |
| 2551 #endif | |
| 2552 ) | |
| 2553 { | |
| 2554 #ifdef FEAT_DIFF | |
|
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diff
changeset
|
2555 // First try using the maximum number of filler lines. If |
|
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parents:
18892
diff
changeset
|
2556 // that's not enough, backup one line. |
| 7 | 2557 loff.fill = curwin->w_topfill; |
| 2558 if (curwin->w_topfill < diff_check_fill(curwin, | |
| 2559 curwin->w_topline)) | |
| 2560 max_topfill(); | |
| 2561 if (curwin->w_topfill == loff.fill) | |
| 2562 #endif | |
| 2563 { | |
| 2564 --curwin->w_topline; | |
| 2565 #ifdef FEAT_DIFF | |
| 2566 curwin->w_topfill = 0; | |
| 2567 #endif | |
| 2568 } | |
| 2569 comp_botline(curwin); | |
| 2570 curwin->w_cursor.lnum = curwin->w_botline - 1; | |
| 5764 | 2571 curwin->w_valid &= |
| 2572 ~(VALID_WCOL|VALID_CHEIGHT|VALID_WROW|VALID_CROW); | |
| 7 | 2573 } |
| 2574 else | |
| 2575 { | |
| 2576 curwin->w_topline = loff.lnum; | |
| 2577 #ifdef FEAT_DIFF | |
| 2578 curwin->w_topfill = loff.fill; | |
| 2579 check_topfill(curwin, FALSE); | |
| 2580 #endif | |
| 2581 curwin->w_valid &= ~(VALID_WROW|VALID_CROW|VALID_BOTLINE); | |
| 2582 } | |
| 2583 } | |
| 2584 } | |
| 2585 } | |
| 2586 #ifdef FEAT_FOLDING | |
| 2587 foldAdjustCursor(); | |
| 2588 #endif | |
| 2589 cursor_correct(); | |
|
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10042
diff
changeset
|
2590 check_cursor_col(); |
| 161 | 2591 if (retval == OK) |
| 2592 beginline(BL_SOL | BL_FIX); | |
| 7 | 2593 curwin->w_valid &= ~(VALID_WCOL|VALID_WROW|VALID_VIRTCOL); |
| 2594 | |
|
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|
2595 if (retval == OK && dir == FORWARD) |
| 7 | 2596 { |
|
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diff
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|
2597 // Avoid the screen jumping up and down when 'scrolloff' is non-zero. |
|
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|
2598 // But make sure we scroll at least one line (happens with mix of long |
|
1bc96dbb5498
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diff
changeset
|
2599 // wrapping lines and non-wrapping line). |
|
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|
2600 if (check_top_offset()) |
|
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|
2601 { |
|
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|
2602 scroll_cursor_top(1, FALSE); |
|
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changeset
|
2603 if (curwin->w_topline <= old_topline |
| 7 | 2604 && old_topline < curbuf->b_ml.ml_line_count) |
|
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|
2605 { |
|
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changeset
|
2606 curwin->w_topline = old_topline + 1; |
| 7 | 2607 #ifdef FEAT_FOLDING |
|
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|
2608 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
|
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changeset
|
2609 #endif |
|
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|
2610 } |
|
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diff
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|
2611 } |
|
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changeset
|
2612 #ifdef FEAT_FOLDING |
|
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parents:
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diff
changeset
|
2613 else if (curwin->w_botline > curbuf->b_ml.ml_line_count) |
| 7 | 2614 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); |
| 2615 #endif | |
| 2616 } | |
| 2617 | |
| 2618 redraw_later(VALID); | |
| 2619 return retval; | |
| 2620 } | |
| 2621 | |
| 2622 /* | |
| 2623 * Decide how much overlap to use for page-up or page-down scrolling. | |
| 2624 * This is symmetric, so that doing both keeps the same lines displayed. | |
| 2625 * Three lines are examined: | |
| 2626 * | |
| 2627 * before CTRL-F after CTRL-F / before CTRL-B | |
| 2628 * etc. l1 | |
| 2629 * l1 last but one line ------------ | |
| 2630 * l2 last text line l2 top text line | |
| 2631 * ------------- l3 second text line | |
| 2632 * l3 etc. | |
| 2633 */ | |
| 2634 static void | |
|
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7803
diff
changeset
|
2635 get_scroll_overlap(lineoff_T *lp, int dir) |
| 7 | 2636 { |
| 2637 int h1, h2, h3, h4; | |
| 2638 int min_height = curwin->w_height - 2; | |
| 2639 lineoff_T loff0, loff1, loff2; | |
| 2640 | |
| 2641 #ifdef FEAT_DIFF | |
| 2642 if (lp->fill > 0) | |
| 2643 lp->height = 1; | |
| 2644 else | |
| 2645 lp->height = plines_nofill(lp->lnum); | |
| 2646 #else | |
| 2647 lp->height = plines(lp->lnum); | |
| 2648 #endif | |
| 2649 h1 = lp->height; | |
| 2650 if (h1 > min_height) | |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2651 return; // no overlap |
| 7 | 2652 |
| 2653 loff0 = *lp; | |
| 2654 if (dir > 0) | |
| 2655 botline_forw(lp); | |
| 2656 else | |
| 2657 topline_back(lp); | |
| 2658 h2 = lp->height; | |
| 3968 | 2659 if (h2 == MAXCOL || h2 + h1 > min_height) |
| 7 | 2660 { |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2661 *lp = loff0; // no overlap |
| 7 | 2662 return; |
| 2663 } | |
| 2664 | |
| 2665 loff1 = *lp; | |
| 2666 if (dir > 0) | |
| 2667 botline_forw(lp); | |
| 2668 else | |
| 2669 topline_back(lp); | |
| 2670 h3 = lp->height; | |
| 3968 | 2671 if (h3 == MAXCOL || h3 + h2 > min_height) |
| 7 | 2672 { |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2673 *lp = loff0; // no overlap |
| 7 | 2674 return; |
| 2675 } | |
| 2676 | |
| 2677 loff2 = *lp; | |
| 2678 if (dir > 0) | |
| 2679 botline_forw(lp); | |
| 2680 else | |
| 2681 topline_back(lp); | |
| 2682 h4 = lp->height; | |
| 3968 | 2683 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
|
2684 *lp = loff1; // 1 line overlap |
| 7 | 2685 else |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2686 *lp = loff2; // 2 lines overlap |
| 7 | 2687 } |
| 2688 | |
| 2689 /* | |
| 2690 * Scroll 'scroll' lines up or down. | |
| 2691 */ | |
| 2692 void | |
|
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2693 halfpage(int flag, linenr_T Prenum) |
| 7 | 2694 { |
| 2695 long scrolled = 0; | |
| 2696 int i; | |
| 2697 int n; | |
| 2698 int room; | |
| 2699 | |
| 2700 if (Prenum) | |
| 2701 curwin->w_p_scr = (Prenum > curwin->w_height) ? | |
| 2702 curwin->w_height : Prenum; | |
| 2703 n = (curwin->w_p_scr <= curwin->w_height) ? | |
| 2704 curwin->w_p_scr : curwin->w_height; | |
| 2705 | |
|
11258
84f71a8a5f2c
patch 8.0.0515: ml_get errors in silent Ex mode
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
2706 update_topline(); |
| 7 | 2707 validate_botline(); |
| 2708 room = curwin->w_empty_rows; | |
| 2709 #ifdef FEAT_DIFF | |
| 2710 room += curwin->w_filler_rows; | |
| 2711 #endif | |
| 2712 if (flag) | |
| 2713 { | |
| 2714 /* | |
| 2715 * scroll the text up | |
| 2716 */ | |
| 2717 while (n > 0 && curwin->w_botline <= curbuf->b_ml.ml_line_count) | |
| 2718 { | |
| 2719 #ifdef FEAT_DIFF | |
| 2720 if (curwin->w_topfill > 0) | |
| 2721 { | |
| 2722 i = 1; | |
|
21321
1421eca61db9
patch 8.2.1211: removed more than dead code
Bram Moolenaar <Bram@vim.org>
parents:
21134
diff
changeset
|
2723 --n; |
| 7 | 2724 --curwin->w_topfill; |
| 2725 } | |
| 2726 else | |
| 2727 #endif | |
| 2728 { | |
|
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2729 i = PLINES_NOFILL(curwin->w_topline); |
| 7 | 2730 n -= i; |
| 2731 if (n < 0 && scrolled > 0) | |
| 2732 break; | |
| 2733 #ifdef FEAT_FOLDING | |
| 2734 (void)hasFolding(curwin->w_topline, NULL, &curwin->w_topline); | |
| 2735 #endif | |
| 2736 ++curwin->w_topline; | |
| 2737 #ifdef FEAT_DIFF | |
| 2738 curwin->w_topfill = diff_check_fill(curwin, curwin->w_topline); | |
| 2739 #endif | |
| 2740 | |
| 2741 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) | |
| 2742 { | |
| 2743 ++curwin->w_cursor.lnum; | |
| 2744 curwin->w_valid &= | |
| 2745 ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL); | |
| 2746 } | |
| 2747 } | |
| 2748 curwin->w_valid &= ~(VALID_CROW|VALID_WROW); | |
| 2749 scrolled += i; | |
| 2750 | |
| 2751 /* | |
| 2752 * Correct w_botline for changed w_topline. | |
| 2753 * Won't work when there are filler lines. | |
| 2754 */ | |
| 2755 #ifdef FEAT_DIFF | |
| 2756 if (curwin->w_p_diff) | |
| 2757 curwin->w_valid &= ~(VALID_BOTLINE|VALID_BOTLINE_AP); | |
| 2758 else | |
| 2759 #endif | |
| 2760 { | |
| 2761 room += i; | |
| 2762 do | |
| 2763 { | |
| 2764 i = plines(curwin->w_botline); | |
| 2765 if (i > room) | |
| 2766 break; | |
| 2767 #ifdef FEAT_FOLDING | |
| 2768 (void)hasFolding(curwin->w_botline, NULL, | |
| 2769 &curwin->w_botline); | |
| 2770 #endif | |
| 2771 ++curwin->w_botline; | |
| 2772 room -= i; | |
| 2773 } while (curwin->w_botline <= curbuf->b_ml.ml_line_count); | |
| 2774 } | |
| 2775 } | |
| 2776 | |
| 2777 /* | |
| 2778 * When hit bottom of the file: move cursor down. | |
| 2779 */ | |
| 2780 if (n > 0) | |
| 2781 { | |
| 2782 # ifdef FEAT_FOLDING | |
| 2783 if (hasAnyFolding(curwin)) | |
| 2784 { | |
| 2785 while (--n >= 0 | |
| 2786 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) | |
| 2787 { | |
| 2788 (void)hasFolding(curwin->w_cursor.lnum, NULL, | |
| 2789 &curwin->w_cursor.lnum); | |
| 2790 ++curwin->w_cursor.lnum; | |
| 2791 } | |
| 2792 } | |
| 2793 else | |
| 2794 # endif | |
| 2795 curwin->w_cursor.lnum += n; | |
| 2796 check_cursor_lnum(); | |
| 2797 } | |
| 2798 } | |
| 2799 else | |
| 2800 { | |
| 2801 /* | |
| 2802 * scroll the text down | |
| 2803 */ | |
| 2804 while (n > 0 && curwin->w_topline > 1) | |
| 2805 { | |
| 2806 #ifdef FEAT_DIFF | |
| 2807 if (curwin->w_topfill < diff_check_fill(curwin, curwin->w_topline)) | |
| 2808 { | |
| 2809 i = 1; | |
|
16042
7952be788a49
patch 8.1.1026: unused condition
Bram Moolenaar <Bram@vim.org>
parents:
15713
diff
changeset
|
2810 --n; |
| 7 | 2811 ++curwin->w_topfill; |
| 2812 } | |
| 2813 else | |
| 2814 #endif | |
| 2815 { | |
|
7103
84d318257a45
commit https://github.com/vim/vim/commit/43335ea394fe247132b9701c55cccf51e6c36425
Christian Brabandt <cb@256bit.org>
parents:
7088
diff
changeset
|
2816 i = PLINES_NOFILL(curwin->w_topline - 1); |
| 7 | 2817 n -= i; |
| 2818 if (n < 0 && scrolled > 0) | |
| 2819 break; | |
| 2820 --curwin->w_topline; | |
| 2821 #ifdef FEAT_FOLDING | |
| 2822 (void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL); | |
| 2823 #endif | |
| 2824 #ifdef FEAT_DIFF | |
| 2825 curwin->w_topfill = 0; | |
| 2826 #endif | |
| 2827 } | |
| 2828 curwin->w_valid &= ~(VALID_CROW|VALID_WROW| | |
| 2829 VALID_BOTLINE|VALID_BOTLINE_AP); | |
| 2830 scrolled += i; | |
| 2831 if (curwin->w_cursor.lnum > 1) | |
| 2832 { | |
| 2833 --curwin->w_cursor.lnum; | |
| 2834 curwin->w_valid &= ~(VALID_VIRTCOL|VALID_CHEIGHT|VALID_WCOL); | |
| 2835 } | |
| 2836 } | |
|
16042
7952be788a49
patch 8.1.1026: unused condition
Bram Moolenaar <Bram@vim.org>
parents:
15713
diff
changeset
|
2837 |
| 7 | 2838 /* |
| 2839 * When hit top of the file: move cursor up. | |
| 2840 */ | |
| 2841 if (n > 0) | |
| 2842 { | |
| 2843 if (curwin->w_cursor.lnum <= (linenr_T)n) | |
| 2844 curwin->w_cursor.lnum = 1; | |
| 2845 else | |
| 2846 # ifdef FEAT_FOLDING | |
| 2847 if (hasAnyFolding(curwin)) | |
| 2848 { | |
| 2849 while (--n >= 0 && curwin->w_cursor.lnum > 1) | |
| 2850 { | |
| 2851 --curwin->w_cursor.lnum; | |
| 2852 (void)hasFolding(curwin->w_cursor.lnum, | |
| 2853 &curwin->w_cursor.lnum, NULL); | |
| 2854 } | |
| 2855 } | |
| 2856 else | |
| 2857 # endif | |
| 2858 curwin->w_cursor.lnum -= n; | |
| 2859 } | |
| 2860 } | |
| 2861 # ifdef FEAT_FOLDING | |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2862 // Move cursor to first line of closed fold. |
| 7 | 2863 foldAdjustCursor(); |
| 2864 # endif | |
| 2865 #ifdef FEAT_DIFF | |
| 2866 check_topfill(curwin, !flag); | |
| 2867 #endif | |
| 2868 cursor_correct(); | |
| 2869 beginline(BL_SOL | BL_FIX); | |
| 2870 redraw_later(VALID); | |
| 2871 } | |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2872 |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2873 void |
|
7829
2a8d6b2dd925
commit https://github.com/vim/vim/commit/9b57814db13c29ecb08260b36923c0e1c8a373a9
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2874 do_check_cursorbind(void) |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2875 { |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2876 linenr_T line = curwin->w_cursor.lnum; |
| 3415 | 2877 colnr_T col = curwin->w_cursor.col; |
| 2878 colnr_T coladd = curwin->w_cursor.coladd; | |
| 3433 | 2879 colnr_T curswant = curwin->w_curswant; |
| 2880 int set_curswant = curwin->w_set_curswant; | |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2881 win_T *old_curwin = curwin; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2882 buf_T *old_curbuf = curbuf; |
| 2693 | 2883 int restart_edit_save; |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2884 int old_VIsual_select = VIsual_select; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2885 int old_VIsual_active = VIsual_active; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2886 |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2887 /* |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2888 * loop through the cursorbound windows |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2889 */ |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2890 VIsual_select = VIsual_active = 0; |
|
9649
fd9727ae3c49
commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents:
8643
diff
changeset
|
2891 FOR_ALL_WINDOWS(curwin) |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2892 { |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2893 curbuf = curwin->w_buffer; |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2894 // skip original window and windows with 'noscrollbind' |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2895 if (curwin != old_curwin && curwin->w_p_crb) |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2896 { |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2897 # ifdef FEAT_DIFF |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2898 if (curwin->w_p_diff) |
|
10295
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10102
diff
changeset
|
2899 curwin->w_cursor.lnum = |
|
d0b74b18e4b5
commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d
Christian Brabandt <cb@256bit.org>
parents:
10102
diff
changeset
|
2900 diff_get_corresponding_line(old_curbuf, line); |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2901 else |
|
1bac28a53fae
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parents:
2210
diff
changeset
|
2902 # endif |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2903 curwin->w_cursor.lnum = line; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2904 curwin->w_cursor.col = col; |
| 3415 | 2905 curwin->w_cursor.coladd = coladd; |
| 3433 | 2906 curwin->w_curswant = curswant; |
| 2907 curwin->w_set_curswant = set_curswant; | |
|
2250
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Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
2908 |
|
18931
80b40bd5ec1a
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parents:
18892
diff
changeset
|
2909 // Make sure the cursor is in a valid position. Temporarily set |
|
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2910 // "restart_edit" to allow the cursor to be beyond the EOL. |
| 2693 | 2911 restart_edit_save = restart_edit; |
| 2912 restart_edit = TRUE; | |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
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diff
changeset
|
2913 check_cursor(); |
|
10607
e39300d3d2cf
patch 8.0.0193: accidentally removed #ifdef
Christian Brabandt <cb@256bit.org>
parents:
10597
diff
changeset
|
2914 # ifdef FEAT_SYN_HL |
|
10597
472bff31a20a
patch 8.0.0188: redrawing for 'cursorbind' is inefficient
Christian Brabandt <cb@256bit.org>
parents:
10585
diff
changeset
|
2915 if (curwin->w_p_cul || curwin->w_p_cuc) |
|
10583
f91c0376f2c6
patch 8.0.0181: with cursorbind set cursor column highlighting is off
Christian Brabandt <cb@256bit.org>
parents:
10349
diff
changeset
|
2916 validate_cursor(); |
|
10607
e39300d3d2cf
patch 8.0.0193: accidentally removed #ifdef
Christian Brabandt <cb@256bit.org>
parents:
10597
diff
changeset
|
2917 # endif |
| 2693 | 2918 restart_edit = restart_edit_save; |
|
18931
80b40bd5ec1a
patch 8.2.0026: still some /* */ comments
Bram Moolenaar <Bram@vim.org>
parents:
18892
diff
changeset
|
2919 // Correct cursor for multi-byte character. |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2920 if (has_mbyte) |
|
1bac28a53fae
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parents:
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diff
changeset
|
2921 mb_adjust_cursor(); |
|
10597
472bff31a20a
patch 8.0.0188: redrawing for 'cursorbind' is inefficient
Christian Brabandt <cb@256bit.org>
parents:
10585
diff
changeset
|
2922 redraw_later(VALID); |
|
2250
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parents:
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diff
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|
2923 |
|
18931
80b40bd5ec1a
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parents:
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diff
changeset
|
2924 // Only scroll when 'scrollbind' hasn't done this. |
| 2688 | 2925 if (!curwin->w_p_scb) |
| 2926 update_topline(); | |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
2927 curwin->w_redr_status = TRUE; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
2928 } |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
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diff
changeset
|
2929 } |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
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parents:
2210
diff
changeset
|
2930 |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2931 /* |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2932 * reset current-window |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2933 */ |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2934 VIsual_select = old_VIsual_select; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2935 VIsual_active = old_VIsual_active; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2936 curwin = old_curwin; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2937 curbuf = old_curbuf; |
|
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2938 } |