Mercurial > vim
annotate src/screen.c @ 2154:7c8c7c95a865 vim73
First step in the Vim 7.3 branch. Changed version numbers.
author | Bram Moolenaar <bram@zimbu.org> |
---|---|
date | Sat, 15 May 2010 13:56:02 +0200 |
parents | dc8a5699253b |
children | c6f1aa1e9f32 |
rev | line source |
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7 | 1 /* vi:set ts=8 sts=4 sw=4: |
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 /* | |
11 * screen.c: code for displaying on the screen | |
12 * | |
13 * Output to the screen (console, terminal emulator or GUI window) is minimized | |
14 * by remembering what is already on the screen, and only updating the parts | |
15 * that changed. | |
16 * | |
17 * ScreenLines[off] Contains a copy of the whole screen, as it is currently | |
18 * displayed (excluding text written by external commands). | |
19 * ScreenAttrs[off] Contains the associated attributes. | |
20 * LineOffset[row] Contains the offset into ScreenLines*[] and ScreenAttrs[] | |
21 * for each line. | |
22 * LineWraps[row] Flag for each line whether it wraps to the next line. | |
23 * | |
24 * For double-byte characters, two consecutive bytes in ScreenLines[] can form | |
25 * one character which occupies two display cells. | |
26 * For UTF-8 a multi-byte character is converted to Unicode and stored in | |
27 * ScreenLinesUC[]. ScreenLines[] contains the first byte only. For an ASCII | |
2124
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updated for version 7.2.406
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28 * character without composing chars ScreenLinesUC[] will be 0 and |
dc8a5699253b
updated for version 7.2.406
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29 * ScreenLinesC[][] is not used. When the character occupies two display |
dc8a5699253b
updated for version 7.2.406
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30 * cells the next byte in ScreenLines[] is 0. |
714 | 31 * ScreenLinesC[][] contain up to 'maxcombine' composing characters |
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32 * (drawn on top of the first character). There is 0 after the last one used. |
7 | 33 * ScreenLines2[] is only used for euc-jp to store the second byte if the |
34 * first byte is 0x8e (single-width character). | |
35 * | |
36 * The screen_*() functions write to the screen and handle updating | |
37 * ScreenLines[]. | |
38 * | |
39 * update_screen() is the function that updates all windows and status lines. | |
40 * It is called form the main loop when must_redraw is non-zero. It may be | |
1213 | 41 * called from other places when an immediate screen update is needed. |
7 | 42 * |
43 * The part of the buffer that is displayed in a window is set with: | |
44 * - w_topline (first buffer line in window) | |
45 * - w_topfill (filler line above the first line) | |
46 * - w_leftcol (leftmost window cell in window), | |
47 * - w_skipcol (skipped window cells of first line) | |
48 * | |
49 * Commands that only move the cursor around in a window, do not need to take | |
50 * action to update the display. The main loop will check if w_topline is | |
51 * valid and update it (scroll the window) when needed. | |
52 * | |
53 * Commands that scroll a window change w_topline and must call | |
54 * check_cursor() to move the cursor into the visible part of the window, and | |
55 * call redraw_later(VALID) to have the window displayed by update_screen() | |
56 * later. | |
57 * | |
58 * Commands that change text in the buffer must call changed_bytes() or | |
59 * changed_lines() to mark the area that changed and will require updating | |
60 * later. The main loop will call update_screen(), which will update each | |
61 * window that shows the changed buffer. This assumes text above the change | |
62 * can remain displayed as it is. Text after the change may need updating for | |
63 * scrolling, folding and syntax highlighting. | |
64 * | |
65 * Commands that change how a window is displayed (e.g., setting 'list') or | |
66 * invalidate the contents of a window in another way (e.g., change fold | |
67 * settings), must call redraw_later(NOT_VALID) to have the whole window | |
68 * redisplayed by update_screen() later. | |
69 * | |
70 * Commands that change how a buffer is displayed (e.g., setting 'tabstop') | |
71 * must call redraw_curbuf_later(NOT_VALID) to have all the windows for the | |
72 * buffer redisplayed by update_screen() later. | |
73 * | |
743 | 74 * Commands that change highlighting and possibly cause a scroll too must call |
75 * redraw_later(SOME_VALID) to update the whole window but still use scrolling | |
76 * to avoid redrawing everything. But the length of displayed lines must not | |
77 * change, use NOT_VALID then. | |
78 * | |
7 | 79 * Commands that move the window position must call redraw_later(NOT_VALID). |
80 * TODO: should minimize redrawing by scrolling when possible. | |
81 * | |
82 * Commands that change everything (e.g., resizing the screen) must call | |
83 * redraw_all_later(NOT_VALID) or redraw_all_later(CLEAR). | |
84 * | |
85 * Things that are handled indirectly: | |
86 * - When messages scroll the screen up, msg_scrolled will be set and | |
87 * update_screen() called to redraw. | |
88 */ | |
89 | |
90 #include "vim.h" | |
91 | |
92 /* | |
93 * The attributes that are actually active for writing to the screen. | |
94 */ | |
95 static int screen_attr = 0; | |
96 | |
97 /* | |
98 * Positioning the cursor is reduced by remembering the last position. | |
99 * Mostly used by windgoto() and screen_char(). | |
100 */ | |
101 static int screen_cur_row, screen_cur_col; /* last known cursor position */ | |
102 | |
103 #ifdef FEAT_SEARCH_EXTRA | |
104 static match_T search_hl; /* used for 'hlsearch' highlight matching */ | |
105 #endif | |
106 | |
107 #ifdef FEAT_FOLDING | |
108 static foldinfo_T win_foldinfo; /* info for 'foldcolumn' */ | |
109 #endif | |
110 | |
111 /* | |
112 * Buffer for one screen line (characters and attributes). | |
113 */ | |
114 static schar_T *current_ScreenLine; | |
115 | |
116 static void win_update __ARGS((win_T *wp)); | |
534 | 117 static void win_draw_end __ARGS((win_T *wp, int c1, int c2, int row, int endrow, hlf_T hl)); |
7 | 118 #ifdef FEAT_FOLDING |
119 static void fold_line __ARGS((win_T *wp, long fold_count, foldinfo_T *foldinfo, linenr_T lnum, int row)); | |
120 static void fill_foldcolumn __ARGS((char_u *p, win_T *wp, int closed, linenr_T lnum)); | |
121 static void copy_text_attr __ARGS((int off, char_u *buf, int len, int attr)); | |
122 #endif | |
625 | 123 static int win_line __ARGS((win_T *, linenr_T, int, int, int nochange)); |
7 | 124 static int char_needs_redraw __ARGS((int off_from, int off_to, int cols)); |
125 #ifdef FEAT_RIGHTLEFT | |
126 static void screen_line __ARGS((int row, int coloff, int endcol, int clear_width, int rlflag)); | |
127 # define SCREEN_LINE(r, o, e, c, rl) screen_line((r), (o), (e), (c), (rl)) | |
128 #else | |
129 static void screen_line __ARGS((int row, int coloff, int endcol, int clear_width)); | |
130 # define SCREEN_LINE(r, o, e, c, rl) screen_line((r), (o), (e), (c)) | |
131 #endif | |
132 #ifdef FEAT_VERTSPLIT | |
133 static void draw_vsep_win __ARGS((win_T *wp, int row)); | |
134 #endif | |
680 | 135 #ifdef FEAT_STL_OPT |
1983 | 136 static void redraw_custom_statusline __ARGS((win_T *wp)); |
680 | 137 #endif |
7 | 138 #ifdef FEAT_SEARCH_EXTRA |
1326 | 139 #define SEARCH_HL_PRIORITY 0 |
7 | 140 static void start_search_hl __ARGS((void)); |
141 static void end_search_hl __ARGS((void)); | |
142 static void prepare_search_hl __ARGS((win_T *wp, linenr_T lnum)); | |
143 static void next_search_hl __ARGS((win_T *win, match_T *shl, linenr_T lnum, colnr_T mincol)); | |
144 #endif | |
145 static void screen_start_highlight __ARGS((int attr)); | |
146 static void screen_char __ARGS((unsigned off, int row, int col)); | |
147 #ifdef FEAT_MBYTE | |
148 static void screen_char_2 __ARGS((unsigned off, int row, int col)); | |
149 #endif | |
150 static void screenclear2 __ARGS((void)); | |
151 static void lineclear __ARGS((unsigned off, int width)); | |
152 static void lineinvalid __ARGS((unsigned off, int width)); | |
153 #ifdef FEAT_VERTSPLIT | |
154 static void linecopy __ARGS((int to, int from, win_T *wp)); | |
155 static void redraw_block __ARGS((int row, int end, win_T *wp)); | |
156 #endif | |
157 static int win_do_lines __ARGS((win_T *wp, int row, int line_count, int mayclear, int del)); | |
158 static void win_rest_invalid __ARGS((win_T *wp)); | |
159 static void msg_pos_mode __ARGS((void)); | |
667 | 160 #if defined(FEAT_WINDOWS) |
677 | 161 static void draw_tabline __ARGS((void)); |
667 | 162 #endif |
7 | 163 #if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) |
164 static int fillchar_status __ARGS((int *attr, int is_curwin)); | |
165 #endif | |
166 #ifdef FEAT_VERTSPLIT | |
167 static int fillchar_vsep __ARGS((int *attr)); | |
168 #endif | |
169 #ifdef FEAT_STL_OPT | |
574 | 170 static void win_redr_custom __ARGS((win_T *wp, int draw_ruler)); |
7 | 171 #endif |
172 #ifdef FEAT_CMDL_INFO | |
173 static void win_redr_ruler __ARGS((win_T *wp, int always)); | |
174 #endif | |
175 | |
176 #if defined(FEAT_CLIPBOARD) || defined(FEAT_VERTSPLIT) | |
177 /* Ugly global: overrule attribute used by screen_char() */ | |
178 static int screen_char_attr = 0; | |
179 #endif | |
180 | |
181 /* | |
182 * Redraw the current window later, with update_screen(type). | |
183 * Set must_redraw only if not already set to a higher value. | |
184 * e.g. if must_redraw is CLEAR, type NOT_VALID will do nothing. | |
185 */ | |
186 void | |
187 redraw_later(type) | |
188 int type; | |
189 { | |
190 redraw_win_later(curwin, type); | |
191 } | |
192 | |
193 void | |
194 redraw_win_later(wp, type) | |
195 win_T *wp; | |
196 int type; | |
197 { | |
198 if (wp->w_redr_type < type) | |
199 { | |
200 wp->w_redr_type = type; | |
201 if (type >= NOT_VALID) | |
202 wp->w_lines_valid = 0; | |
203 if (must_redraw < type) /* must_redraw is the maximum of all windows */ | |
204 must_redraw = type; | |
205 } | |
206 } | |
207 | |
208 /* | |
209 * Force a complete redraw later. Also resets the highlighting. To be used | |
210 * after executing a shell command that messes up the screen. | |
211 */ | |
212 void | |
213 redraw_later_clear() | |
214 { | |
215 redraw_all_later(CLEAR); | |
826 | 216 #ifdef FEAT_GUI |
217 if (gui.in_use) | |
218 /* Use a code that will reset gui.highlight_mask in | |
219 * gui_stop_highlight(). */ | |
220 screen_attr = HL_ALL + 1; | |
221 else | |
222 #endif | |
223 /* Use attributes that is very unlikely to appear in text. */ | |
224 screen_attr = HL_BOLD | HL_UNDERLINE | HL_INVERSE; | |
7 | 225 } |
226 | |
227 /* | |
228 * Mark all windows to be redrawn later. | |
229 */ | |
230 void | |
231 redraw_all_later(type) | |
232 int type; | |
233 { | |
234 win_T *wp; | |
235 | |
236 FOR_ALL_WINDOWS(wp) | |
237 { | |
238 redraw_win_later(wp, type); | |
239 } | |
240 } | |
241 | |
242 /* | |
301 | 243 * Mark all windows that are editing the current buffer to be updated later. |
7 | 244 */ |
245 void | |
246 redraw_curbuf_later(type) | |
247 int type; | |
248 { | |
249 redraw_buf_later(curbuf, type); | |
250 } | |
251 | |
252 void | |
253 redraw_buf_later(buf, type) | |
254 buf_T *buf; | |
255 int type; | |
256 { | |
257 win_T *wp; | |
258 | |
259 FOR_ALL_WINDOWS(wp) | |
260 { | |
261 if (wp->w_buffer == buf) | |
262 redraw_win_later(wp, type); | |
263 } | |
264 } | |
265 | |
266 /* | |
267 * Changed something in the current window, at buffer line "lnum", that | |
268 * requires that line and possibly other lines to be redrawn. | |
269 * Used when entering/leaving Insert mode with the cursor on a folded line. | |
270 * Used to remove the "$" from a change command. | |
271 * Note that when also inserting/deleting lines w_redraw_top and w_redraw_bot | |
272 * may become invalid and the whole window will have to be redrawn. | |
273 */ | |
274 void | |
275 redrawWinline(lnum, invalid) | |
276 linenr_T lnum; | |
1883 | 277 int invalid UNUSED; /* window line height is invalid now */ |
7 | 278 { |
279 #ifdef FEAT_FOLDING | |
280 int i; | |
281 #endif | |
282 | |
283 if (curwin->w_redraw_top == 0 || curwin->w_redraw_top > lnum) | |
284 curwin->w_redraw_top = lnum; | |
285 if (curwin->w_redraw_bot == 0 || curwin->w_redraw_bot < lnum) | |
286 curwin->w_redraw_bot = lnum; | |
287 redraw_later(VALID); | |
288 | |
289 #ifdef FEAT_FOLDING | |
290 if (invalid) | |
291 { | |
292 /* A w_lines[] entry for this lnum has become invalid. */ | |
293 i = find_wl_entry(curwin, lnum); | |
294 if (i >= 0) | |
295 curwin->w_lines[i].wl_valid = FALSE; | |
296 } | |
297 #endif | |
298 } | |
299 | |
300 /* | |
301 * update all windows that are editing the current buffer | |
302 */ | |
303 void | |
304 update_curbuf(type) | |
305 int type; | |
306 { | |
307 redraw_curbuf_later(type); | |
308 update_screen(type); | |
309 } | |
310 | |
311 /* | |
312 * update_screen() | |
313 * | |
314 * Based on the current value of curwin->w_topline, transfer a screenfull | |
315 * of stuff from Filemem to ScreenLines[], and update curwin->w_botline. | |
316 */ | |
317 void | |
318 update_screen(type) | |
319 int type; | |
320 { | |
321 win_T *wp; | |
322 static int did_intro = FALSE; | |
323 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) | |
324 int did_one; | |
325 #endif | |
326 | |
2008 | 327 /* Don't do anything if the screen structures are (not yet) valid. */ |
7 | 328 if (!screen_valid(TRUE)) |
329 return; | |
330 | |
331 if (must_redraw) | |
332 { | |
333 if (type < must_redraw) /* use maximal type */ | |
334 type = must_redraw; | |
1331 | 335 |
336 /* must_redraw is reset here, so that when we run into some weird | |
337 * reason to redraw while busy redrawing (e.g., asynchronous | |
338 * scrolling), or update_topline() in win_update() will cause a | |
339 * scroll, the screen will be redrawn later or in win_update(). */ | |
7 | 340 must_redraw = 0; |
341 } | |
342 | |
343 /* Need to update w_lines[]. */ | |
344 if (curwin->w_lines_valid == 0 && type < NOT_VALID) | |
345 type = NOT_VALID; | |
346 | |
2008 | 347 /* Postpone the redrawing when it's not needed and when being called |
348 * recursively. */ | |
349 if (!redrawing() || updating_screen) | |
7 | 350 { |
351 redraw_later(type); /* remember type for next time */ | |
352 must_redraw = type; | |
353 if (type > INVERTED_ALL) | |
354 curwin->w_lines_valid = 0; /* don't use w_lines[].wl_size now */ | |
355 return; | |
356 } | |
357 | |
358 updating_screen = TRUE; | |
359 #ifdef FEAT_SYN_HL | |
360 ++display_tick; /* let syntax code know we're in a next round of | |
361 * display updating */ | |
362 #endif | |
363 | |
364 /* | |
365 * if the screen was scrolled up when displaying a message, scroll it down | |
366 */ | |
367 if (msg_scrolled) | |
368 { | |
369 clear_cmdline = TRUE; | |
370 if (msg_scrolled > Rows - 5) /* clearing is faster */ | |
371 type = CLEAR; | |
372 else if (type != CLEAR) | |
373 { | |
374 check_for_delay(FALSE); | |
375 if (screen_ins_lines(0, 0, msg_scrolled, (int)Rows, NULL) == FAIL) | |
376 type = CLEAR; | |
377 FOR_ALL_WINDOWS(wp) | |
378 { | |
379 if (W_WINROW(wp) < msg_scrolled) | |
380 { | |
381 if (W_WINROW(wp) + wp->w_height > msg_scrolled | |
382 && wp->w_redr_type < REDRAW_TOP | |
383 && wp->w_lines_valid > 0 | |
384 && wp->w_topline == wp->w_lines[0].wl_lnum) | |
385 { | |
386 wp->w_upd_rows = msg_scrolled - W_WINROW(wp); | |
387 wp->w_redr_type = REDRAW_TOP; | |
388 } | |
389 else | |
390 { | |
391 wp->w_redr_type = NOT_VALID; | |
392 #ifdef FEAT_WINDOWS | |
393 if (W_WINROW(wp) + wp->w_height + W_STATUS_HEIGHT(wp) | |
394 <= msg_scrolled) | |
395 wp->w_redr_status = TRUE; | |
396 #endif | |
397 } | |
398 } | |
399 } | |
400 redraw_cmdline = TRUE; | |
667 | 401 #ifdef FEAT_WINDOWS |
673 | 402 redraw_tabline = TRUE; |
667 | 403 #endif |
7 | 404 } |
405 msg_scrolled = 0; | |
406 need_wait_return = FALSE; | |
407 } | |
408 | |
409 /* reset cmdline_row now (may have been changed temporarily) */ | |
410 compute_cmdrow(); | |
411 | |
412 /* Check for changed highlighting */ | |
413 if (need_highlight_changed) | |
414 highlight_changed(); | |
415 | |
416 if (type == CLEAR) /* first clear screen */ | |
417 { | |
418 screenclear(); /* will reset clear_cmdline */ | |
419 type = NOT_VALID; | |
420 } | |
421 | |
422 if (clear_cmdline) /* going to clear cmdline (done below) */ | |
423 check_for_delay(FALSE); | |
424 | |
13 | 425 #ifdef FEAT_LINEBREAK |
426 /* Force redraw when width of 'number' column changes. */ | |
427 if (curwin->w_redr_type < NOT_VALID | |
677 | 428 && curwin->w_nrwidth != (curwin->w_p_nu ? number_width(curwin) : 0)) |
13 | 429 curwin->w_redr_type = NOT_VALID; |
430 #endif | |
431 | |
7 | 432 /* |
433 * Only start redrawing if there is really something to do. | |
434 */ | |
435 if (type == INVERTED) | |
436 update_curswant(); | |
437 if (curwin->w_redr_type < type | |
438 && !((type == VALID | |
439 && curwin->w_lines[0].wl_valid | |
440 #ifdef FEAT_DIFF | |
441 && curwin->w_topfill == curwin->w_old_topfill | |
442 && curwin->w_botfill == curwin->w_old_botfill | |
443 #endif | |
444 && curwin->w_topline == curwin->w_lines[0].wl_lnum) | |
445 #ifdef FEAT_VISUAL | |
446 || (type == INVERTED | |
1043 | 447 && VIsual_active |
7 | 448 && curwin->w_old_cursor_lnum == curwin->w_cursor.lnum |
449 && curwin->w_old_visual_mode == VIsual_mode | |
450 && (curwin->w_valid & VALID_VIRTCOL) | |
451 && curwin->w_old_curswant == curwin->w_curswant) | |
452 #endif | |
453 )) | |
454 curwin->w_redr_type = type; | |
455 | |
849 | 456 #ifdef FEAT_WINDOWS |
457 /* Redraw the tab pages line if needed. */ | |
458 if (redraw_tabline || type >= NOT_VALID) | |
459 draw_tabline(); | |
460 #endif | |
461 | |
7 | 462 #ifdef FEAT_SYN_HL |
463 /* | |
464 * Correct stored syntax highlighting info for changes in each displayed | |
465 * buffer. Each buffer must only be done once. | |
466 */ | |
467 FOR_ALL_WINDOWS(wp) | |
468 { | |
469 if (wp->w_buffer->b_mod_set) | |
470 { | |
471 # ifdef FEAT_WINDOWS | |
472 win_T *wwp; | |
473 | |
474 /* Check if we already did this buffer. */ | |
475 for (wwp = firstwin; wwp != wp; wwp = wwp->w_next) | |
476 if (wwp->w_buffer == wp->w_buffer) | |
477 break; | |
478 # endif | |
479 if ( | |
480 # ifdef FEAT_WINDOWS | |
481 wwp == wp && | |
482 # endif | |
483 syntax_present(wp->w_buffer)) | |
484 syn_stack_apply_changes(wp->w_buffer); | |
485 } | |
486 } | |
487 #endif | |
488 | |
489 /* | |
490 * Go from top to bottom through the windows, redrawing the ones that need | |
491 * it. | |
492 */ | |
493 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) | |
494 did_one = FALSE; | |
495 #endif | |
496 #ifdef FEAT_SEARCH_EXTRA | |
497 search_hl.rm.regprog = NULL; | |
498 #endif | |
499 FOR_ALL_WINDOWS(wp) | |
500 { | |
501 if (wp->w_redr_type != 0) | |
502 { | |
503 cursor_off(); | |
504 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) | |
505 if (!did_one) | |
506 { | |
507 did_one = TRUE; | |
508 # ifdef FEAT_SEARCH_EXTRA | |
509 start_search_hl(); | |
510 # endif | |
511 # ifdef FEAT_CLIPBOARD | |
512 /* When Visual area changed, may have to update selection. */ | |
513 if (clip_star.available && clip_isautosel()) | |
514 clip_update_selection(); | |
515 # endif | |
516 #ifdef FEAT_GUI | |
517 /* Remove the cursor before starting to do anything, because | |
518 * scrolling may make it difficult to redraw the text under | |
519 * it. */ | |
520 if (gui.in_use) | |
521 gui_undraw_cursor(); | |
522 #endif | |
523 } | |
524 #endif | |
525 win_update(wp); | |
526 } | |
527 | |
528 #ifdef FEAT_WINDOWS | |
529 /* redraw status line after the window to minimize cursor movement */ | |
530 if (wp->w_redr_status) | |
531 { | |
532 cursor_off(); | |
533 win_redr_status(wp); | |
534 } | |
535 #endif | |
536 } | |
537 #if defined(FEAT_SEARCH_EXTRA) | |
538 end_search_hl(); | |
539 #endif | |
540 | |
541 #ifdef FEAT_WINDOWS | |
542 /* Reset b_mod_set flags. Going through all windows is probably faster | |
543 * than going through all buffers (there could be many buffers). */ | |
544 for (wp = firstwin; wp != NULL; wp = wp->w_next) | |
545 wp->w_buffer->b_mod_set = FALSE; | |
546 #else | |
547 curbuf->b_mod_set = FALSE; | |
548 #endif | |
549 | |
550 updating_screen = FALSE; | |
551 #ifdef FEAT_GUI | |
552 gui_may_resize_shell(); | |
553 #endif | |
554 | |
555 /* Clear or redraw the command line. Done last, because scrolling may | |
556 * mess up the command line. */ | |
557 if (clear_cmdline || redraw_cmdline) | |
558 showmode(); | |
559 | |
560 /* May put up an introductory message when not editing a file */ | |
561 if (!did_intro && bufempty() | |
562 && curbuf->b_fname == NULL | |
563 #ifdef FEAT_WINDOWS | |
564 && firstwin->w_next == NULL | |
565 #endif | |
566 && vim_strchr(p_shm, SHM_INTRO) == NULL) | |
567 intro_message(FALSE); | |
568 did_intro = TRUE; | |
569 | |
570 #ifdef FEAT_GUI | |
571 /* Redraw the cursor and update the scrollbars when all screen updating is | |
572 * done. */ | |
573 if (gui.in_use) | |
574 { | |
575 out_flush(); /* required before updating the cursor */ | |
576 if (did_one) | |
577 gui_update_cursor(FALSE, FALSE); | |
578 gui_update_scrollbars(FALSE); | |
579 } | |
580 #endif | |
581 } | |
582 | |
583 #if defined(FEAT_SIGNS) || defined(FEAT_GUI) | |
584 static void update_prepare __ARGS((void)); | |
585 static void update_finish __ARGS((void)); | |
586 | |
587 /* | |
588 * Prepare for updating one or more windows. | |
2008 | 589 * Caller must check for "updating_screen" already set to avoid recursiveness. |
7 | 590 */ |
591 static void | |
592 update_prepare() | |
593 { | |
594 cursor_off(); | |
595 updating_screen = TRUE; | |
596 #ifdef FEAT_GUI | |
597 /* Remove the cursor before starting to do anything, because scrolling may | |
598 * make it difficult to redraw the text under it. */ | |
599 if (gui.in_use) | |
600 gui_undraw_cursor(); | |
601 #endif | |
602 #ifdef FEAT_SEARCH_EXTRA | |
603 start_search_hl(); | |
604 #endif | |
605 } | |
606 | |
607 /* | |
608 * Finish updating one or more windows. | |
609 */ | |
610 static void | |
611 update_finish() | |
612 { | |
613 if (redraw_cmdline) | |
614 showmode(); | |
615 | |
616 # ifdef FEAT_SEARCH_EXTRA | |
617 end_search_hl(); | |
618 # endif | |
619 | |
620 updating_screen = FALSE; | |
621 | |
622 # ifdef FEAT_GUI | |
623 gui_may_resize_shell(); | |
624 | |
625 /* Redraw the cursor and update the scrollbars when all screen updating is | |
626 * done. */ | |
627 if (gui.in_use) | |
628 { | |
629 out_flush(); /* required before updating the cursor */ | |
630 gui_update_cursor(FALSE, FALSE); | |
631 gui_update_scrollbars(FALSE); | |
632 } | |
633 # endif | |
634 } | |
635 #endif | |
636 | |
637 #if defined(FEAT_SIGNS) || defined(PROTO) | |
638 void | |
639 update_debug_sign(buf, lnum) | |
640 buf_T *buf; | |
641 linenr_T lnum; | |
642 { | |
643 win_T *wp; | |
644 int doit = FALSE; | |
645 | |
646 # ifdef FEAT_FOLDING | |
647 win_foldinfo.fi_level = 0; | |
648 # endif | |
649 | |
650 /* update/delete a specific mark */ | |
651 FOR_ALL_WINDOWS(wp) | |
652 { | |
653 if (buf != NULL && lnum > 0) | |
654 { | |
655 if (wp->w_buffer == buf && lnum >= wp->w_topline | |
656 && lnum < wp->w_botline) | |
657 { | |
658 if (wp->w_redraw_top == 0 || wp->w_redraw_top > lnum) | |
659 wp->w_redraw_top = lnum; | |
660 if (wp->w_redraw_bot == 0 || wp->w_redraw_bot < lnum) | |
661 wp->w_redraw_bot = lnum; | |
662 redraw_win_later(wp, VALID); | |
663 } | |
664 } | |
665 else | |
666 redraw_win_later(wp, VALID); | |
667 if (wp->w_redr_type != 0) | |
668 doit = TRUE; | |
669 } | |
670 | |
2008 | 671 /* Return when there is nothing to do or screen updating already |
672 * happening. */ | |
673 if (!doit || updating_screen) | |
7 | 674 return; |
675 | |
676 /* update all windows that need updating */ | |
677 update_prepare(); | |
678 | |
679 # ifdef FEAT_WINDOWS | |
680 for (wp = firstwin; wp; wp = wp->w_next) | |
681 { | |
682 if (wp->w_redr_type != 0) | |
683 win_update(wp); | |
684 if (wp->w_redr_status) | |
685 win_redr_status(wp); | |
686 } | |
687 # else | |
688 if (curwin->w_redr_type != 0) | |
689 win_update(curwin); | |
690 # endif | |
691 | |
692 update_finish(); | |
693 } | |
694 #endif | |
695 | |
696 | |
697 #if defined(FEAT_GUI) || defined(PROTO) | |
698 /* | |
699 * Update a single window, its status line and maybe the command line msg. | |
700 * Used for the GUI scrollbar. | |
701 */ | |
702 void | |
703 updateWindow(wp) | |
704 win_T *wp; | |
705 { | |
2008 | 706 /* return if already busy updating */ |
707 if (updating_screen) | |
708 return; | |
709 | |
7 | 710 update_prepare(); |
711 | |
712 #ifdef FEAT_CLIPBOARD | |
713 /* When Visual area changed, may have to update selection. */ | |
714 if (clip_star.available && clip_isautosel()) | |
715 clip_update_selection(); | |
716 #endif | |
670 | 717 |
7 | 718 win_update(wp); |
670 | 719 |
7 | 720 #ifdef FEAT_WINDOWS |
670 | 721 /* When the screen was cleared redraw the tab pages line. */ |
673 | 722 if (redraw_tabline) |
677 | 723 draw_tabline(); |
670 | 724 |
7 | 725 if (wp->w_redr_status |
726 # ifdef FEAT_CMDL_INFO | |
727 || p_ru | |
728 # endif | |
729 # ifdef FEAT_STL_OPT | |
40 | 730 || *p_stl != NUL || *wp->w_p_stl != NUL |
7 | 731 # endif |
732 ) | |
733 win_redr_status(wp); | |
734 #endif | |
735 | |
736 update_finish(); | |
737 } | |
738 #endif | |
739 | |
740 /* | |
741 * Update a single window. | |
742 * | |
743 * This may cause the windows below it also to be redrawn (when clearing the | |
744 * screen or scrolling lines). | |
745 * | |
746 * How the window is redrawn depends on wp->w_redr_type. Each type also | |
747 * implies the one below it. | |
748 * NOT_VALID redraw the whole window | |
743 | 749 * SOME_VALID redraw the whole window but do scroll when possible |
7 | 750 * REDRAW_TOP redraw the top w_upd_rows window lines, otherwise like VALID |
751 * INVERTED redraw the changed part of the Visual area | |
752 * INVERTED_ALL redraw the whole Visual area | |
753 * VALID 1. scroll up/down to adjust for a changed w_topline | |
754 * 2. update lines at the top when scrolled down | |
755 * 3. redraw changed text: | |
301 | 756 * - if wp->w_buffer->b_mod_set set, update lines between |
7 | 757 * b_mod_top and b_mod_bot. |
758 * - if wp->w_redraw_top non-zero, redraw lines between | |
759 * wp->w_redraw_top and wp->w_redr_bot. | |
760 * - continue redrawing when syntax status is invalid. | |
761 * 4. if scrolled up, update lines at the bottom. | |
762 * This results in three areas that may need updating: | |
763 * top: from first row to top_end (when scrolled down) | |
764 * mid: from mid_start to mid_end (update inversion or changed text) | |
765 * bot: from bot_start to last row (when scrolled up) | |
766 */ | |
767 static void | |
768 win_update(wp) | |
769 win_T *wp; | |
770 { | |
771 buf_T *buf = wp->w_buffer; | |
772 int type; | |
773 int top_end = 0; /* Below last row of the top area that needs | |
774 updating. 0 when no top area updating. */ | |
775 int mid_start = 999;/* first row of the mid area that needs | |
776 updating. 999 when no mid area updating. */ | |
777 int mid_end = 0; /* Below last row of the mid area that needs | |
778 updating. 0 when no mid area updating. */ | |
779 int bot_start = 999;/* first row of the bot area that needs | |
780 updating. 999 when no bot area updating */ | |
781 #ifdef FEAT_VISUAL | |
782 int scrolled_down = FALSE; /* TRUE when scrolled down when | |
783 w_topline got smaller a bit */ | |
784 #endif | |
785 #ifdef FEAT_SEARCH_EXTRA | |
1326 | 786 matchitem_T *cur; /* points to the match list */ |
7 | 787 int top_to_mod = FALSE; /* redraw above mod_top */ |
788 #endif | |
789 | |
790 int row; /* current window row to display */ | |
791 linenr_T lnum; /* current buffer lnum to display */ | |
792 int idx; /* current index in w_lines[] */ | |
793 int srow; /* starting row of the current line */ | |
794 | |
795 int eof = FALSE; /* if TRUE, we hit the end of the file */ | |
796 int didline = FALSE; /* if TRUE, we finished the last line */ | |
797 int i; | |
798 long j; | |
799 static int recursive = FALSE; /* being called recursively */ | |
800 int old_botline = wp->w_botline; | |
801 #ifdef FEAT_FOLDING | |
802 long fold_count; | |
803 #endif | |
804 #ifdef FEAT_SYN_HL | |
805 /* remember what happened to the previous line, to know if | |
806 * check_visual_highlight() can be used */ | |
807 #define DID_NONE 1 /* didn't update a line */ | |
808 #define DID_LINE 2 /* updated a normal line */ | |
809 #define DID_FOLD 3 /* updated a folded line */ | |
810 int did_update = DID_NONE; | |
811 linenr_T syntax_last_parsed = 0; /* last parsed text line */ | |
812 #endif | |
813 linenr_T mod_top = 0; | |
814 linenr_T mod_bot = 0; | |
815 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) | |
816 int save_got_int; | |
817 #endif | |
818 | |
819 type = wp->w_redr_type; | |
820 | |
821 if (type == NOT_VALID) | |
822 { | |
823 #ifdef FEAT_WINDOWS | |
824 wp->w_redr_status = TRUE; | |
825 #endif | |
826 wp->w_lines_valid = 0; | |
827 } | |
828 | |
829 /* Window is zero-height: nothing to draw. */ | |
830 if (wp->w_height == 0) | |
831 { | |
832 wp->w_redr_type = 0; | |
833 return; | |
834 } | |
835 | |
836 #ifdef FEAT_VERTSPLIT | |
837 /* Window is zero-width: Only need to draw the separator. */ | |
838 if (wp->w_width == 0) | |
839 { | |
840 /* draw the vertical separator right of this window */ | |
841 draw_vsep_win(wp, 0); | |
842 wp->w_redr_type = 0; | |
843 return; | |
844 } | |
845 #endif | |
846 | |
847 #ifdef FEAT_SEARCH_EXTRA | |
1326 | 848 /* Setup for match and 'hlsearch' highlighting. Disable any previous |
699 | 849 * match */ |
1326 | 850 cur = wp->w_match_head; |
851 while (cur != NULL) | |
852 { | |
853 cur->hl.rm = cur->match; | |
854 if (cur->hlg_id == 0) | |
855 cur->hl.attr = 0; | |
699 | 856 else |
1326 | 857 cur->hl.attr = syn_id2attr(cur->hlg_id); |
858 cur->hl.buf = buf; | |
859 cur->hl.lnum = 0; | |
860 cur->hl.first_lnum = 0; | |
1521 | 861 # ifdef FEAT_RELTIME |
862 /* Set the time limit to 'redrawtime'. */ | |
863 profile_setlimit(p_rdt, &(cur->hl.tm)); | |
864 # endif | |
1326 | 865 cur = cur->next; |
699 | 866 } |
7 | 867 search_hl.buf = buf; |
868 search_hl.lnum = 0; | |
869 search_hl.first_lnum = 0; | |
1521 | 870 /* time limit is set at the toplevel, for all windows */ |
7 | 871 #endif |
872 | |
13 | 873 #ifdef FEAT_LINEBREAK |
874 /* Force redraw when width of 'number' column changes. */ | |
677 | 875 i = wp->w_p_nu ? number_width(wp) : 0; |
876 if (wp->w_nrwidth != i) | |
13 | 877 { |
878 type = NOT_VALID; | |
677 | 879 wp->w_nrwidth = i; |
13 | 880 } |
881 else | |
882 #endif | |
883 | |
7 | 884 if (buf->b_mod_set && buf->b_mod_xlines != 0 && wp->w_redraw_top != 0) |
885 { | |
886 /* | |
887 * When there are both inserted/deleted lines and specific lines to be | |
888 * redrawn, w_redraw_top and w_redraw_bot may be invalid, just redraw | |
889 * everything (only happens when redrawing is off for while). | |
890 */ | |
891 type = NOT_VALID; | |
892 } | |
893 else | |
894 { | |
895 /* | |
896 * Set mod_top to the first line that needs displaying because of | |
897 * changes. Set mod_bot to the first line after the changes. | |
898 */ | |
899 mod_top = wp->w_redraw_top; | |
900 if (wp->w_redraw_bot != 0) | |
901 mod_bot = wp->w_redraw_bot + 1; | |
902 else | |
903 mod_bot = 0; | |
904 wp->w_redraw_top = 0; /* reset for next time */ | |
905 wp->w_redraw_bot = 0; | |
906 if (buf->b_mod_set) | |
907 { | |
908 if (mod_top == 0 || mod_top > buf->b_mod_top) | |
909 { | |
910 mod_top = buf->b_mod_top; | |
911 #ifdef FEAT_SYN_HL | |
912 /* Need to redraw lines above the change that may be included | |
913 * in a pattern match. */ | |
914 if (syntax_present(buf)) | |
915 { | |
916 mod_top -= buf->b_syn_sync_linebreaks; | |
917 if (mod_top < 1) | |
918 mod_top = 1; | |
919 } | |
920 #endif | |
921 } | |
922 if (mod_bot == 0 || mod_bot < buf->b_mod_bot) | |
923 mod_bot = buf->b_mod_bot; | |
924 | |
925 #ifdef FEAT_SEARCH_EXTRA | |
926 /* When 'hlsearch' is on and using a multi-line search pattern, a | |
927 * change in one line may make the Search highlighting in a | |
928 * previous line invalid. Simple solution: redraw all visible | |
929 * lines above the change. | |
1326 | 930 * Same for a match pattern. |
7 | 931 */ |
699 | 932 if (search_hl.rm.regprog != NULL |
933 && re_multiline(search_hl.rm.regprog)) | |
7 | 934 top_to_mod = TRUE; |
699 | 935 else |
1326 | 936 { |
937 cur = wp->w_match_head; | |
938 while (cur != NULL) | |
939 { | |
940 if (cur->match.regprog != NULL | |
941 && re_multiline(cur->match.regprog)) | |
699 | 942 { |
943 top_to_mod = TRUE; | |
944 break; | |
945 } | |
1326 | 946 cur = cur->next; |
947 } | |
948 } | |
7 | 949 #endif |
950 } | |
951 #ifdef FEAT_FOLDING | |
952 if (mod_top != 0 && hasAnyFolding(wp)) | |
953 { | |
954 linenr_T lnumt, lnumb; | |
955 | |
956 /* | |
957 * A change in a line can cause lines above it to become folded or | |
958 * unfolded. Find the top most buffer line that may be affected. | |
959 * If the line was previously folded and displayed, get the first | |
960 * line of that fold. If the line is folded now, get the first | |
961 * folded line. Use the minimum of these two. | |
962 */ | |
963 | |
964 /* Find last valid w_lines[] entry above mod_top. Set lnumt to | |
965 * the line below it. If there is no valid entry, use w_topline. | |
966 * Find the first valid w_lines[] entry below mod_bot. Set lnumb | |
967 * to this line. If there is no valid entry, use MAXLNUM. */ | |
968 lnumt = wp->w_topline; | |
969 lnumb = MAXLNUM; | |
970 for (i = 0; i < wp->w_lines_valid; ++i) | |
971 if (wp->w_lines[i].wl_valid) | |
972 { | |
973 if (wp->w_lines[i].wl_lastlnum < mod_top) | |
974 lnumt = wp->w_lines[i].wl_lastlnum + 1; | |
975 if (lnumb == MAXLNUM && wp->w_lines[i].wl_lnum >= mod_bot) | |
976 { | |
977 lnumb = wp->w_lines[i].wl_lnum; | |
978 /* When there is a fold column it might need updating | |
979 * in the next line ("J" just above an open fold). */ | |
980 if (wp->w_p_fdc > 0) | |
981 ++lnumb; | |
982 } | |
983 } | |
984 | |
985 (void)hasFoldingWin(wp, mod_top, &mod_top, NULL, TRUE, NULL); | |
986 if (mod_top > lnumt) | |
987 mod_top = lnumt; | |
988 | |
989 /* Now do the same for the bottom line (one above mod_bot). */ | |
990 --mod_bot; | |
991 (void)hasFoldingWin(wp, mod_bot, NULL, &mod_bot, TRUE, NULL); | |
992 ++mod_bot; | |
993 if (mod_bot < lnumb) | |
994 mod_bot = lnumb; | |
995 } | |
996 #endif | |
997 | |
998 /* When a change starts above w_topline and the end is below | |
999 * w_topline, start redrawing at w_topline. | |
36 | 1000 * If the end of the change is above w_topline: do like no change was |
1001 * made, but redraw the first line to find changes in syntax. */ | |
7 | 1002 if (mod_top != 0 && mod_top < wp->w_topline) |
1003 { | |
1004 if (mod_bot > wp->w_topline) | |
1005 mod_top = wp->w_topline; | |
1006 #ifdef FEAT_SYN_HL | |
1007 else if (syntax_present(buf)) | |
1008 top_end = 1; | |
1009 #endif | |
1010 } | |
36 | 1011 |
1012 /* When line numbers are displayed need to redraw all lines below | |
1013 * inserted/deleted lines. */ | |
1014 if (mod_top != 0 && buf->b_mod_xlines != 0 && wp->w_p_nu) | |
1015 mod_bot = MAXLNUM; | |
7 | 1016 } |
1017 | |
1018 /* | |
1019 * When only displaying the lines at the top, set top_end. Used when | |
1020 * window has scrolled down for msg_scrolled. | |
1021 */ | |
1022 if (type == REDRAW_TOP) | |
1023 { | |
1024 j = 0; | |
1025 for (i = 0; i < wp->w_lines_valid; ++i) | |
1026 { | |
1027 j += wp->w_lines[i].wl_size; | |
1028 if (j >= wp->w_upd_rows) | |
1029 { | |
1030 top_end = j; | |
1031 break; | |
1032 } | |
1033 } | |
1034 if (top_end == 0) | |
1035 /* not found (cannot happen?): redraw everything */ | |
1036 type = NOT_VALID; | |
1037 else | |
1038 /* top area defined, the rest is VALID */ | |
1039 type = VALID; | |
1040 } | |
1041 | |
1378 | 1042 /* Trick: we want to avoid clearing the screen twice. screenclear() will |
1331 | 1043 * set "screen_cleared" to TRUE. The special value MAYBE (which is still |
1044 * non-zero and thus not FALSE) will indicate that screenclear() was not | |
1045 * called. */ | |
1046 if (screen_cleared) | |
1047 screen_cleared = MAYBE; | |
1048 | |
7 | 1049 /* |
1050 * If there are no changes on the screen that require a complete redraw, | |
1051 * handle three cases: | |
1052 * 1: we are off the top of the screen by a few lines: scroll down | |
1053 * 2: wp->w_topline is below wp->w_lines[0].wl_lnum: may scroll up | |
1054 * 3: wp->w_topline is wp->w_lines[0].wl_lnum: find first entry in | |
1055 * w_lines[] that needs updating. | |
1056 */ | |
743 | 1057 if ((type == VALID || type == SOME_VALID |
1058 || type == INVERTED || type == INVERTED_ALL) | |
7 | 1059 #ifdef FEAT_DIFF |
1060 && !wp->w_botfill && !wp->w_old_botfill | |
1061 #endif | |
1062 ) | |
1063 { | |
1064 if (mod_top != 0 && wp->w_topline == mod_top) | |
1065 { | |
1066 /* | |
1067 * w_topline is the first changed line, the scrolling will be done | |
1068 * further down. | |
1069 */ | |
1070 } | |
1071 else if (wp->w_lines[0].wl_valid | |
1072 && (wp->w_topline < wp->w_lines[0].wl_lnum | |
1073 #ifdef FEAT_DIFF | |
1074 || (wp->w_topline == wp->w_lines[0].wl_lnum | |
1075 && wp->w_topfill > wp->w_old_topfill) | |
1076 #endif | |
1077 )) | |
1078 { | |
1079 /* | |
1080 * New topline is above old topline: May scroll down. | |
1081 */ | |
1082 #ifdef FEAT_FOLDING | |
1083 if (hasAnyFolding(wp)) | |
1084 { | |
1085 linenr_T ln; | |
1086 | |
1087 /* count the number of lines we are off, counting a sequence | |
1088 * of folded lines as one */ | |
1089 j = 0; | |
1090 for (ln = wp->w_topline; ln < wp->w_lines[0].wl_lnum; ++ln) | |
1091 { | |
1092 ++j; | |
1093 if (j >= wp->w_height - 2) | |
1094 break; | |
1095 (void)hasFoldingWin(wp, ln, NULL, &ln, TRUE, NULL); | |
1096 } | |
1097 } | |
1098 else | |
1099 #endif | |
1100 j = wp->w_lines[0].wl_lnum - wp->w_topline; | |
1101 if (j < wp->w_height - 2) /* not too far off */ | |
1102 { | |
1103 i = plines_m_win(wp, wp->w_topline, wp->w_lines[0].wl_lnum - 1); | |
1104 #ifdef FEAT_DIFF | |
1105 /* insert extra lines for previously invisible filler lines */ | |
1106 if (wp->w_lines[0].wl_lnum != wp->w_topline) | |
1107 i += diff_check_fill(wp, wp->w_lines[0].wl_lnum) | |
1108 - wp->w_old_topfill; | |
1109 #endif | |
1110 if (i < wp->w_height - 2) /* less than a screen off */ | |
1111 { | |
1112 /* | |
1113 * Try to insert the correct number of lines. | |
1114 * If not the last window, delete the lines at the bottom. | |
1115 * win_ins_lines may fail when the terminal can't do it. | |
1116 */ | |
1117 if (i > 0) | |
1118 check_for_delay(FALSE); | |
1119 if (win_ins_lines(wp, 0, i, FALSE, wp == firstwin) == OK) | |
1120 { | |
1121 if (wp->w_lines_valid != 0) | |
1122 { | |
1123 /* Need to update rows that are new, stop at the | |
1124 * first one that scrolled down. */ | |
1125 top_end = i; | |
1126 #ifdef FEAT_VISUAL | |
1127 scrolled_down = TRUE; | |
1128 #endif | |
1129 | |
1130 /* Move the entries that were scrolled, disable | |
1131 * the entries for the lines to be redrawn. */ | |
1132 if ((wp->w_lines_valid += j) > wp->w_height) | |
1133 wp->w_lines_valid = wp->w_height; | |
1134 for (idx = wp->w_lines_valid; idx - j >= 0; idx--) | |
1135 wp->w_lines[idx] = wp->w_lines[idx - j]; | |
1136 while (idx >= 0) | |
1137 wp->w_lines[idx--].wl_valid = FALSE; | |
1138 } | |
1139 } | |
1140 else | |
1141 mid_start = 0; /* redraw all lines */ | |
1142 } | |
1143 else | |
1144 mid_start = 0; /* redraw all lines */ | |
1145 } | |
1146 else | |
1147 mid_start = 0; /* redraw all lines */ | |
1148 } | |
1149 else | |
1150 { | |
1151 /* | |
1152 * New topline is at or below old topline: May scroll up. | |
1153 * When topline didn't change, find first entry in w_lines[] that | |
1154 * needs updating. | |
1155 */ | |
1156 | |
1157 /* try to find wp->w_topline in wp->w_lines[].wl_lnum */ | |
1158 j = -1; | |
1159 row = 0; | |
1160 for (i = 0; i < wp->w_lines_valid; i++) | |
1161 { | |
1162 if (wp->w_lines[i].wl_valid | |
1163 && wp->w_lines[i].wl_lnum == wp->w_topline) | |
1164 { | |
1165 j = i; | |
1166 break; | |
1167 } | |
1168 row += wp->w_lines[i].wl_size; | |
1169 } | |
1170 if (j == -1) | |
1171 { | |
1172 /* if wp->w_topline is not in wp->w_lines[].wl_lnum redraw all | |
1173 * lines */ | |
1174 mid_start = 0; | |
1175 } | |
1176 else | |
1177 { | |
1178 /* | |
1179 * Try to delete the correct number of lines. | |
1180 * wp->w_topline is at wp->w_lines[i].wl_lnum. | |
1181 */ | |
1182 #ifdef FEAT_DIFF | |
1183 /* If the topline didn't change, delete old filler lines, | |
1184 * otherwise delete filler lines of the new topline... */ | |
1185 if (wp->w_lines[0].wl_lnum == wp->w_topline) | |
1186 row += wp->w_old_topfill; | |
1187 else | |
1188 row += diff_check_fill(wp, wp->w_topline); | |
1189 /* ... but don't delete new filler lines. */ | |
1190 row -= wp->w_topfill; | |
1191 #endif | |
1192 if (row > 0) | |
1193 { | |
1194 check_for_delay(FALSE); | |
1195 if (win_del_lines(wp, 0, row, FALSE, wp == firstwin) == OK) | |
1196 bot_start = wp->w_height - row; | |
1197 else | |
1198 mid_start = 0; /* redraw all lines */ | |
1199 } | |
1200 if ((row == 0 || bot_start < 999) && wp->w_lines_valid != 0) | |
1201 { | |
1202 /* | |
1203 * Skip the lines (below the deleted lines) that are still | |
1204 * valid and don't need redrawing. Copy their info | |
1205 * upwards, to compensate for the deleted lines. Set | |
1206 * bot_start to the first row that needs redrawing. | |
1207 */ | |
1208 bot_start = 0; | |
1209 idx = 0; | |
1210 for (;;) | |
1211 { | |
1212 wp->w_lines[idx] = wp->w_lines[j]; | |
1213 /* stop at line that didn't fit, unless it is still | |
1214 * valid (no lines deleted) */ | |
1215 if (row > 0 && bot_start + row | |
1216 + (int)wp->w_lines[j].wl_size > wp->w_height) | |
1217 { | |
1218 wp->w_lines_valid = idx + 1; | |
1219 break; | |
1220 } | |
1221 bot_start += wp->w_lines[idx++].wl_size; | |
1222 | |
1223 /* stop at the last valid entry in w_lines[].wl_size */ | |
1224 if (++j >= wp->w_lines_valid) | |
1225 { | |
1226 wp->w_lines_valid = idx; | |
1227 break; | |
1228 } | |
1229 } | |
1230 #ifdef FEAT_DIFF | |
1231 /* Correct the first entry for filler lines at the top | |
1232 * when it won't get updated below. */ | |
1233 if (wp->w_p_diff && bot_start > 0) | |
1234 wp->w_lines[0].wl_size = | |
1235 plines_win_nofill(wp, wp->w_topline, TRUE) | |
1236 + wp->w_topfill; | |
1237 #endif | |
1238 } | |
1239 } | |
1240 } | |
1241 | |
1242 /* When starting redraw in the first line, redraw all lines. When | |
1243 * there is only one window it's probably faster to clear the screen | |
1244 * first. */ | |
1245 if (mid_start == 0) | |
1246 { | |
1247 mid_end = wp->w_height; | |
1248 if (lastwin == firstwin) | |
981 | 1249 { |
1331 | 1250 /* Clear the screen when it was not done by win_del_lines() or |
1251 * win_ins_lines() above, "screen_cleared" is FALSE or MAYBE | |
1252 * then. */ | |
1253 if (screen_cleared != TRUE) | |
1254 screenclear(); | |
981 | 1255 #ifdef FEAT_WINDOWS |
1256 /* The screen was cleared, redraw the tab pages line. */ | |
1257 if (redraw_tabline) | |
1258 draw_tabline(); | |
1259 #endif | |
1260 } | |
7 | 1261 } |
1331 | 1262 |
1263 /* When win_del_lines() or win_ins_lines() caused the screen to be | |
1264 * cleared (only happens for the first window) or when screenclear() | |
1265 * was called directly above, "must_redraw" will have been set to | |
1266 * NOT_VALID, need to reset it here to avoid redrawing twice. */ | |
1267 if (screen_cleared == TRUE) | |
1268 must_redraw = 0; | |
7 | 1269 } |
1270 else | |
1271 { | |
1272 /* Not VALID or INVERTED: redraw all lines. */ | |
1273 mid_start = 0; | |
1274 mid_end = wp->w_height; | |
1275 } | |
1276 | |
743 | 1277 if (type == SOME_VALID) |
1278 { | |
1279 /* SOME_VALID: redraw all lines. */ | |
1280 mid_start = 0; | |
1281 mid_end = wp->w_height; | |
1282 type = NOT_VALID; | |
1283 } | |
1284 | |
7 | 1285 #ifdef FEAT_VISUAL |
1286 /* check if we are updating or removing the inverted part */ | |
1287 if ((VIsual_active && buf == curwin->w_buffer) | |
1288 || (wp->w_old_cursor_lnum != 0 && type != NOT_VALID)) | |
1289 { | |
1290 linenr_T from, to; | |
1291 | |
1292 if (VIsual_active) | |
1293 { | |
1294 if (VIsual_active | |
1295 && (VIsual_mode != wp->w_old_visual_mode | |
1296 || type == INVERTED_ALL)) | |
1297 { | |
1298 /* | |
1299 * If the type of Visual selection changed, redraw the whole | |
1300 * selection. Also when the ownership of the X selection is | |
1301 * gained or lost. | |
1302 */ | |
1303 if (curwin->w_cursor.lnum < VIsual.lnum) | |
1304 { | |
1305 from = curwin->w_cursor.lnum; | |
1306 to = VIsual.lnum; | |
1307 } | |
1308 else | |
1309 { | |
1310 from = VIsual.lnum; | |
1311 to = curwin->w_cursor.lnum; | |
1312 } | |
1313 /* redraw more when the cursor moved as well */ | |
1314 if (wp->w_old_cursor_lnum < from) | |
1315 from = wp->w_old_cursor_lnum; | |
1316 if (wp->w_old_cursor_lnum > to) | |
1317 to = wp->w_old_cursor_lnum; | |
1318 if (wp->w_old_visual_lnum < from) | |
1319 from = wp->w_old_visual_lnum; | |
1320 if (wp->w_old_visual_lnum > to) | |
1321 to = wp->w_old_visual_lnum; | |
1322 } | |
1323 else | |
1324 { | |
1325 /* | |
1326 * Find the line numbers that need to be updated: The lines | |
1327 * between the old cursor position and the current cursor | |
1328 * position. Also check if the Visual position changed. | |
1329 */ | |
1330 if (curwin->w_cursor.lnum < wp->w_old_cursor_lnum) | |
1331 { | |
1332 from = curwin->w_cursor.lnum; | |
1333 to = wp->w_old_cursor_lnum; | |
1334 } | |
1335 else | |
1336 { | |
1337 from = wp->w_old_cursor_lnum; | |
1338 to = curwin->w_cursor.lnum; | |
1339 if (from == 0) /* Visual mode just started */ | |
1340 from = to; | |
1341 } | |
1342 | |
422 | 1343 if (VIsual.lnum != wp->w_old_visual_lnum |
1344 || VIsual.col != wp->w_old_visual_col) | |
7 | 1345 { |
1346 if (wp->w_old_visual_lnum < from | |
1347 && wp->w_old_visual_lnum != 0) | |
1348 from = wp->w_old_visual_lnum; | |
1349 if (wp->w_old_visual_lnum > to) | |
1350 to = wp->w_old_visual_lnum; | |
1351 if (VIsual.lnum < from) | |
1352 from = VIsual.lnum; | |
1353 if (VIsual.lnum > to) | |
1354 to = VIsual.lnum; | |
1355 } | |
1356 } | |
1357 | |
1358 /* | |
1359 * If in block mode and changed column or curwin->w_curswant: | |
1360 * update all lines. | |
1361 * First compute the actual start and end column. | |
1362 */ | |
1363 if (VIsual_mode == Ctrl_V) | |
1364 { | |
1365 colnr_T fromc, toc; | |
1366 | |
1367 getvcols(wp, &VIsual, &curwin->w_cursor, &fromc, &toc); | |
1368 ++toc; | |
1369 if (curwin->w_curswant == MAXCOL) | |
1370 toc = MAXCOL; | |
1371 | |
1372 if (fromc != wp->w_old_cursor_fcol | |
1373 || toc != wp->w_old_cursor_lcol) | |
1374 { | |
1375 if (from > VIsual.lnum) | |
1376 from = VIsual.lnum; | |
1377 if (to < VIsual.lnum) | |
1378 to = VIsual.lnum; | |
1379 } | |
1380 wp->w_old_cursor_fcol = fromc; | |
1381 wp->w_old_cursor_lcol = toc; | |
1382 } | |
1383 } | |
1384 else | |
1385 { | |
1386 /* Use the line numbers of the old Visual area. */ | |
1387 if (wp->w_old_cursor_lnum < wp->w_old_visual_lnum) | |
1388 { | |
1389 from = wp->w_old_cursor_lnum; | |
1390 to = wp->w_old_visual_lnum; | |
1391 } | |
1392 else | |
1393 { | |
1394 from = wp->w_old_visual_lnum; | |
1395 to = wp->w_old_cursor_lnum; | |
1396 } | |
1397 } | |
1398 | |
1399 /* | |
1400 * There is no need to update lines above the top of the window. | |
1401 */ | |
1402 if (from < wp->w_topline) | |
1403 from = wp->w_topline; | |
1404 | |
1405 /* | |
1406 * If we know the value of w_botline, use it to restrict the update to | |
1407 * the lines that are visible in the window. | |
1408 */ | |
1409 if (wp->w_valid & VALID_BOTLINE) | |
1410 { | |
1411 if (from >= wp->w_botline) | |
1412 from = wp->w_botline - 1; | |
1413 if (to >= wp->w_botline) | |
1414 to = wp->w_botline - 1; | |
1415 } | |
1416 | |
1417 /* | |
1418 * Find the minimal part to be updated. | |
1419 * Watch out for scrolling that made entries in w_lines[] invalid. | |
1420 * E.g., CTRL-U makes the first half of w_lines[] invalid and sets | |
1421 * top_end; need to redraw from top_end to the "to" line. | |
1422 * A middle mouse click with a Visual selection may change the text | |
1423 * above the Visual area and reset wl_valid, do count these for | |
1424 * mid_end (in srow). | |
1425 */ | |
1426 if (mid_start > 0) | |
1427 { | |
1428 lnum = wp->w_topline; | |
1429 idx = 0; | |
1430 srow = 0; | |
1431 if (scrolled_down) | |
1432 mid_start = top_end; | |
1433 else | |
1434 mid_start = 0; | |
1435 while (lnum < from && idx < wp->w_lines_valid) /* find start */ | |
1436 { | |
1437 if (wp->w_lines[idx].wl_valid) | |
1438 mid_start += wp->w_lines[idx].wl_size; | |
1439 else if (!scrolled_down) | |
1440 srow += wp->w_lines[idx].wl_size; | |
1441 ++idx; | |
1442 # ifdef FEAT_FOLDING | |
1443 if (idx < wp->w_lines_valid && wp->w_lines[idx].wl_valid) | |
1444 lnum = wp->w_lines[idx].wl_lnum; | |
1445 else | |
1446 # endif | |
1447 ++lnum; | |
1448 } | |
1449 srow += mid_start; | |
1450 mid_end = wp->w_height; | |
1451 for ( ; idx < wp->w_lines_valid; ++idx) /* find end */ | |
1452 { | |
1453 if (wp->w_lines[idx].wl_valid | |
1454 && wp->w_lines[idx].wl_lnum >= to + 1) | |
1455 { | |
1456 /* Only update until first row of this line */ | |
1457 mid_end = srow; | |
1458 break; | |
1459 } | |
1460 srow += wp->w_lines[idx].wl_size; | |
1461 } | |
1462 } | |
1463 } | |
1464 | |
1465 if (VIsual_active && buf == curwin->w_buffer) | |
1466 { | |
1467 wp->w_old_visual_mode = VIsual_mode; | |
1468 wp->w_old_cursor_lnum = curwin->w_cursor.lnum; | |
1469 wp->w_old_visual_lnum = VIsual.lnum; | |
422 | 1470 wp->w_old_visual_col = VIsual.col; |
7 | 1471 wp->w_old_curswant = curwin->w_curswant; |
1472 } | |
1473 else | |
1474 { | |
1475 wp->w_old_visual_mode = 0; | |
1476 wp->w_old_cursor_lnum = 0; | |
1477 wp->w_old_visual_lnum = 0; | |
422 | 1478 wp->w_old_visual_col = 0; |
7 | 1479 } |
1480 #endif /* FEAT_VISUAL */ | |
1481 | |
1482 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) | |
1483 /* reset got_int, otherwise regexp won't work */ | |
1484 save_got_int = got_int; | |
1485 got_int = 0; | |
1486 #endif | |
1487 #ifdef FEAT_FOLDING | |
1488 win_foldinfo.fi_level = 0; | |
1489 #endif | |
1490 | |
1491 /* | |
1492 * Update all the window rows. | |
1493 */ | |
1494 idx = 0; /* first entry in w_lines[].wl_size */ | |
1495 row = 0; | |
1496 srow = 0; | |
1497 lnum = wp->w_topline; /* first line shown in window */ | |
1498 for (;;) | |
1499 { | |
1500 /* stop updating when reached the end of the window (check for _past_ | |
1501 * the end of the window is at the end of the loop) */ | |
1502 if (row == wp->w_height) | |
1503 { | |
1504 didline = TRUE; | |
1505 break; | |
1506 } | |
1507 | |
1508 /* stop updating when hit the end of the file */ | |
1509 if (lnum > buf->b_ml.ml_line_count) | |
1510 { | |
1511 eof = TRUE; | |
1512 break; | |
1513 } | |
1514 | |
1515 /* Remember the starting row of the line that is going to be dealt | |
1516 * with. It is used further down when the line doesn't fit. */ | |
1517 srow = row; | |
1518 | |
1519 /* | |
1520 * Update a line when it is in an area that needs updating, when it | |
1521 * has changes or w_lines[idx] is invalid. | |
1522 * bot_start may be halfway a wrapped line after using | |
1523 * win_del_lines(), check if the current line includes it. | |
1524 * When syntax folding is being used, the saved syntax states will | |
1525 * already have been updated, we can't see where the syntax state is | |
1526 * the same again, just update until the end of the window. | |
1527 */ | |
1528 if (row < top_end | |
1529 || (row >= mid_start && row < mid_end) | |
1530 #ifdef FEAT_SEARCH_EXTRA | |
1531 || top_to_mod | |
1532 #endif | |
1533 || idx >= wp->w_lines_valid | |
1534 || (row + wp->w_lines[idx].wl_size > bot_start) | |
1535 || (mod_top != 0 | |
1536 && (lnum == mod_top | |
1537 || (lnum >= mod_top | |
1538 && (lnum < mod_bot | |
1539 #ifdef FEAT_SYN_HL | |
1540 || did_update == DID_FOLD | |
1541 || (did_update == DID_LINE | |
1542 && syntax_present(buf) | |
1543 && ( | |
1544 # ifdef FEAT_FOLDING | |
1545 (foldmethodIsSyntax(wp) | |
1546 && hasAnyFolding(wp)) || | |
1547 # endif | |
1548 syntax_check_changed(lnum))) | |
1549 #endif | |
1550 ))))) | |
1551 { | |
1552 #ifdef FEAT_SEARCH_EXTRA | |
1553 if (lnum == mod_top) | |
1554 top_to_mod = FALSE; | |
1555 #endif | |
1556 | |
1557 /* | |
1558 * When at start of changed lines: May scroll following lines | |
1559 * up or down to minimize redrawing. | |
1560 * Don't do this when the change continues until the end. | |
1561 * Don't scroll when dollar_vcol is non-zero, keep the "$". | |
1562 */ | |
1563 if (lnum == mod_top | |
1564 && mod_bot != MAXLNUM | |
1565 && !(dollar_vcol != 0 && mod_bot == mod_top + 1)) | |
1566 { | |
1567 int old_rows = 0; | |
1568 int new_rows = 0; | |
1569 int xtra_rows; | |
1570 linenr_T l; | |
1571 | |
1572 /* Count the old number of window rows, using w_lines[], which | |
1573 * should still contain the sizes for the lines as they are | |
1574 * currently displayed. */ | |
1575 for (i = idx; i < wp->w_lines_valid; ++i) | |
1576 { | |
1577 /* Only valid lines have a meaningful wl_lnum. Invalid | |
1578 * lines are part of the changed area. */ | |
1579 if (wp->w_lines[i].wl_valid | |
1580 && wp->w_lines[i].wl_lnum == mod_bot) | |
1581 break; | |
1582 old_rows += wp->w_lines[i].wl_size; | |
1583 #ifdef FEAT_FOLDING | |
1584 if (wp->w_lines[i].wl_valid | |
1585 && wp->w_lines[i].wl_lastlnum + 1 == mod_bot) | |
1586 { | |
1587 /* Must have found the last valid entry above mod_bot. | |
1588 * Add following invalid entries. */ | |
1589 ++i; | |
1590 while (i < wp->w_lines_valid | |
1591 && !wp->w_lines[i].wl_valid) | |
1592 old_rows += wp->w_lines[i++].wl_size; | |
1593 break; | |
1594 } | |
1595 #endif | |
1596 } | |
1597 | |
1598 if (i >= wp->w_lines_valid) | |
1599 { | |
1600 /* We can't find a valid line below the changed lines, | |
1601 * need to redraw until the end of the window. | |
1602 * Inserting/deleting lines has no use. */ | |
1603 bot_start = 0; | |
1604 } | |
1605 else | |
1606 { | |
1607 /* Able to count old number of rows: Count new window | |
1608 * rows, and may insert/delete lines */ | |
1609 j = idx; | |
1610 for (l = lnum; l < mod_bot; ++l) | |
1611 { | |
1612 #ifdef FEAT_FOLDING | |
1613 if (hasFoldingWin(wp, l, NULL, &l, TRUE, NULL)) | |
1614 ++new_rows; | |
1615 else | |
1616 #endif | |
1617 #ifdef FEAT_DIFF | |
1618 if (l == wp->w_topline) | |
1619 new_rows += plines_win_nofill(wp, l, TRUE) | |
1620 + wp->w_topfill; | |
1621 else | |
1622 #endif | |
1623 new_rows += plines_win(wp, l, TRUE); | |
1624 ++j; | |
1625 if (new_rows > wp->w_height - row - 2) | |
1626 { | |
1627 /* it's getting too much, must redraw the rest */ | |
1628 new_rows = 9999; | |
1629 break; | |
1630 } | |
1631 } | |
1632 xtra_rows = new_rows - old_rows; | |
1633 if (xtra_rows < 0) | |
1634 { | |
1635 /* May scroll text up. If there is not enough | |
1636 * remaining text or scrolling fails, must redraw the | |
1637 * rest. If scrolling works, must redraw the text | |
1638 * below the scrolled text. */ | |
1639 if (row - xtra_rows >= wp->w_height - 2) | |
1640 mod_bot = MAXLNUM; | |
1641 else | |
1642 { | |
1643 check_for_delay(FALSE); | |
1644 if (win_del_lines(wp, row, | |
1645 -xtra_rows, FALSE, FALSE) == FAIL) | |
1646 mod_bot = MAXLNUM; | |
1647 else | |
1648 bot_start = wp->w_height + xtra_rows; | |
1649 } | |
1650 } | |
1651 else if (xtra_rows > 0) | |
1652 { | |
1653 /* May scroll text down. If there is not enough | |
1654 * remaining text of scrolling fails, must redraw the | |
1655 * rest. */ | |
1656 if (row + xtra_rows >= wp->w_height - 2) | |
1657 mod_bot = MAXLNUM; | |
1658 else | |
1659 { | |
1660 check_for_delay(FALSE); | |
1661 if (win_ins_lines(wp, row + old_rows, | |
1662 xtra_rows, FALSE, FALSE) == FAIL) | |
1663 mod_bot = MAXLNUM; | |
1664 else if (top_end > row + old_rows) | |
1665 /* Scrolled the part at the top that requires | |
1666 * updating down. */ | |
1667 top_end += xtra_rows; | |
1668 } | |
1669 } | |
1670 | |
1671 /* When not updating the rest, may need to move w_lines[] | |
1672 * entries. */ | |
1673 if (mod_bot != MAXLNUM && i != j) | |
1674 { | |
1675 if (j < i) | |
1676 { | |
1677 int x = row + new_rows; | |
1678 | |
1679 /* move entries in w_lines[] upwards */ | |
1680 for (;;) | |
1681 { | |
1682 /* stop at last valid entry in w_lines[] */ | |
1683 if (i >= wp->w_lines_valid) | |
1684 { | |
1685 wp->w_lines_valid = j; | |
1686 break; | |
1687 } | |
1688 wp->w_lines[j] = wp->w_lines[i]; | |
1689 /* stop at a line that won't fit */ | |
1690 if (x + (int)wp->w_lines[j].wl_size | |
1691 > wp->w_height) | |
1692 { | |
1693 wp->w_lines_valid = j + 1; | |
1694 break; | |
1695 } | |
1696 x += wp->w_lines[j++].wl_size; | |
1697 ++i; | |
1698 } | |
1699 if (bot_start > x) | |
1700 bot_start = x; | |
1701 } | |
1702 else /* j > i */ | |
1703 { | |
1704 /* move entries in w_lines[] downwards */ | |
1705 j -= i; | |
1706 wp->w_lines_valid += j; | |
1707 if (wp->w_lines_valid > wp->w_height) | |
1708 wp->w_lines_valid = wp->w_height; | |
1709 for (i = wp->w_lines_valid; i - j >= idx; --i) | |
1710 wp->w_lines[i] = wp->w_lines[i - j]; | |
1711 | |
1712 /* The w_lines[] entries for inserted lines are | |
1713 * now invalid, but wl_size may be used above. | |
1714 * Reset to zero. */ | |
1715 while (i >= idx) | |
1716 { | |
1717 wp->w_lines[i].wl_size = 0; | |
1718 wp->w_lines[i--].wl_valid = FALSE; | |
1719 } | |
1720 } | |
1721 } | |
1722 } | |
1723 } | |
1724 | |
1725 #ifdef FEAT_FOLDING | |
1726 /* | |
1727 * When lines are folded, display one line for all of them. | |
1728 * Otherwise, display normally (can be several display lines when | |
1729 * 'wrap' is on). | |
1730 */ | |
1731 fold_count = foldedCount(wp, lnum, &win_foldinfo); | |
1732 if (fold_count != 0) | |
1733 { | |
1734 fold_line(wp, fold_count, &win_foldinfo, lnum, row); | |
1735 ++row; | |
1736 --fold_count; | |
1737 wp->w_lines[idx].wl_folded = TRUE; | |
1738 wp->w_lines[idx].wl_lastlnum = lnum + fold_count; | |
1739 # ifdef FEAT_SYN_HL | |
1740 did_update = DID_FOLD; | |
1741 # endif | |
1742 } | |
1743 else | |
1744 #endif | |
1745 if (idx < wp->w_lines_valid | |
1746 && wp->w_lines[idx].wl_valid | |
1747 && wp->w_lines[idx].wl_lnum == lnum | |
1748 && lnum > wp->w_topline | |
1749 && !(dy_flags & DY_LASTLINE) | |
1750 && srow + wp->w_lines[idx].wl_size > wp->w_height | |
1751 #ifdef FEAT_DIFF | |
1752 && diff_check_fill(wp, lnum) == 0 | |
1753 #endif | |
1754 ) | |
1755 { | |
1756 /* This line is not going to fit. Don't draw anything here, | |
1757 * will draw "@ " lines below. */ | |
1758 row = wp->w_height + 1; | |
1759 } | |
1760 else | |
1761 { | |
1762 #ifdef FEAT_SEARCH_EXTRA | |
1763 prepare_search_hl(wp, lnum); | |
1764 #endif | |
1765 #ifdef FEAT_SYN_HL | |
1766 /* Let the syntax stuff know we skipped a few lines. */ | |
1767 if (syntax_last_parsed != 0 && syntax_last_parsed + 1 < lnum | |
1768 && syntax_present(buf)) | |
1769 syntax_end_parsing(syntax_last_parsed + 1); | |
1770 #endif | |
1771 | |
1772 /* | |
1773 * Display one line. | |
1774 */ | |
625 | 1775 row = win_line(wp, lnum, srow, wp->w_height, mod_top == 0); |
7 | 1776 |
1777 #ifdef FEAT_FOLDING | |
1778 wp->w_lines[idx].wl_folded = FALSE; | |
1779 wp->w_lines[idx].wl_lastlnum = lnum; | |
1780 #endif | |
1781 #ifdef FEAT_SYN_HL | |
1782 did_update = DID_LINE; | |
1783 syntax_last_parsed = lnum; | |
1784 #endif | |
1785 } | |
1786 | |
1787 wp->w_lines[idx].wl_lnum = lnum; | |
1788 wp->w_lines[idx].wl_valid = TRUE; | |
1789 if (row > wp->w_height) /* past end of screen */ | |
1790 { | |
1791 /* we may need the size of that too long line later on */ | |
1792 if (dollar_vcol == 0) | |
1793 wp->w_lines[idx].wl_size = plines_win(wp, lnum, TRUE); | |
1794 ++idx; | |
1795 break; | |
1796 } | |
1797 if (dollar_vcol == 0) | |
1798 wp->w_lines[idx].wl_size = row - srow; | |
1799 ++idx; | |
1800 #ifdef FEAT_FOLDING | |
1801 lnum += fold_count + 1; | |
1802 #else | |
1803 ++lnum; | |
1804 #endif | |
1805 } | |
1806 else | |
1807 { | |
1808 /* This line does not need updating, advance to the next one */ | |
1809 row += wp->w_lines[idx++].wl_size; | |
1810 if (row > wp->w_height) /* past end of screen */ | |
1811 break; | |
1812 #ifdef FEAT_FOLDING | |
1813 lnum = wp->w_lines[idx - 1].wl_lastlnum + 1; | |
1814 #else | |
1815 ++lnum; | |
1816 #endif | |
1817 #ifdef FEAT_SYN_HL | |
1818 did_update = DID_NONE; | |
1819 #endif | |
1820 } | |
1821 | |
1822 if (lnum > buf->b_ml.ml_line_count) | |
1823 { | |
1824 eof = TRUE; | |
1825 break; | |
1826 } | |
1827 } | |
1828 /* | |
1829 * End of loop over all window lines. | |
1830 */ | |
1831 | |
1832 | |
1833 if (idx > wp->w_lines_valid) | |
1834 wp->w_lines_valid = idx; | |
1835 | |
1836 #ifdef FEAT_SYN_HL | |
1837 /* | |
1838 * Let the syntax stuff know we stop parsing here. | |
1839 */ | |
1840 if (syntax_last_parsed != 0 && syntax_present(buf)) | |
1841 syntax_end_parsing(syntax_last_parsed + 1); | |
1842 #endif | |
1843 | |
1844 /* | |
1845 * If we didn't hit the end of the file, and we didn't finish the last | |
1846 * line we were working on, then the line didn't fit. | |
1847 */ | |
1848 wp->w_empty_rows = 0; | |
1849 #ifdef FEAT_DIFF | |
1850 wp->w_filler_rows = 0; | |
1851 #endif | |
1852 if (!eof && !didline) | |
1853 { | |
1854 if (lnum == wp->w_topline) | |
1855 { | |
1856 /* | |
1857 * Single line that does not fit! | |
1858 * Don't overwrite it, it can be edited. | |
1859 */ | |
1860 wp->w_botline = lnum + 1; | |
1861 } | |
1862 #ifdef FEAT_DIFF | |
1863 else if (diff_check_fill(wp, lnum) >= wp->w_height - srow) | |
1864 { | |
1865 /* Window ends in filler lines. */ | |
1866 wp->w_botline = lnum; | |
1867 wp->w_filler_rows = wp->w_height - srow; | |
1868 } | |
1869 #endif | |
1870 else if (dy_flags & DY_LASTLINE) /* 'display' has "lastline" */ | |
1871 { | |
1872 /* | |
1873 * Last line isn't finished: Display "@@@" at the end. | |
1874 */ | |
1875 screen_fill(W_WINROW(wp) + wp->w_height - 1, | |
1876 W_WINROW(wp) + wp->w_height, | |
1877 (int)W_ENDCOL(wp) - 3, (int)W_ENDCOL(wp), | |
1878 '@', '@', hl_attr(HLF_AT)); | |
1879 set_empty_rows(wp, srow); | |
1880 wp->w_botline = lnum; | |
1881 } | |
1882 else | |
1883 { | |
1884 win_draw_end(wp, '@', ' ', srow, wp->w_height, HLF_AT); | |
1885 wp->w_botline = lnum; | |
1886 } | |
1887 } | |
1888 else | |
1889 { | |
1890 #ifdef FEAT_VERTSPLIT | |
1891 draw_vsep_win(wp, row); | |
1892 #endif | |
1893 if (eof) /* we hit the end of the file */ | |
1894 { | |
1895 wp->w_botline = buf->b_ml.ml_line_count + 1; | |
1896 #ifdef FEAT_DIFF | |
1897 j = diff_check_fill(wp, wp->w_botline); | |
1898 if (j > 0 && !wp->w_botfill) | |
1899 { | |
1900 /* | |
1901 * Display filler lines at the end of the file | |
1902 */ | |
1903 if (char2cells(fill_diff) > 1) | |
1904 i = '-'; | |
1905 else | |
1906 i = fill_diff; | |
1907 if (row + j > wp->w_height) | |
1908 j = wp->w_height - row; | |
1909 win_draw_end(wp, i, i, row, row + (int)j, HLF_DED); | |
1910 row += j; | |
1911 } | |
1912 #endif | |
1913 } | |
1914 else if (dollar_vcol == 0) | |
1915 wp->w_botline = lnum; | |
1916 | |
1917 /* make sure the rest of the screen is blank */ | |
1918 /* put '~'s on rows that aren't part of the file. */ | |
1919 win_draw_end(wp, '~', ' ', row, wp->w_height, HLF_AT); | |
1920 } | |
1921 | |
1922 /* Reset the type of redrawing required, the window has been updated. */ | |
1923 wp->w_redr_type = 0; | |
1924 #ifdef FEAT_DIFF | |
1925 wp->w_old_topfill = wp->w_topfill; | |
1926 wp->w_old_botfill = wp->w_botfill; | |
1927 #endif | |
1928 | |
1929 if (dollar_vcol == 0) | |
1930 { | |
1931 /* | |
1932 * There is a trick with w_botline. If we invalidate it on each | |
1933 * change that might modify it, this will cause a lot of expensive | |
1934 * calls to plines() in update_topline() each time. Therefore the | |
1935 * value of w_botline is often approximated, and this value is used to | |
1936 * compute the value of w_topline. If the value of w_botline was | |
1937 * wrong, check that the value of w_topline is correct (cursor is on | |
1938 * the visible part of the text). If it's not, we need to redraw | |
1939 * again. Mostly this just means scrolling up a few lines, so it | |
1940 * doesn't look too bad. Only do this for the current window (where | |
1941 * changes are relevant). | |
1942 */ | |
1943 wp->w_valid |= VALID_BOTLINE; | |
1944 if (wp == curwin && wp->w_botline != old_botline && !recursive) | |
1945 { | |
1946 recursive = TRUE; | |
1947 curwin->w_valid &= ~VALID_TOPLINE; | |
1948 update_topline(); /* may invalidate w_botline again */ | |
1949 if (must_redraw != 0) | |
1950 { | |
1951 /* Don't update for changes in buffer again. */ | |
1952 i = curbuf->b_mod_set; | |
1953 curbuf->b_mod_set = FALSE; | |
1954 win_update(curwin); | |
1955 must_redraw = 0; | |
1956 curbuf->b_mod_set = i; | |
1957 } | |
1958 recursive = FALSE; | |
1959 } | |
1960 } | |
1961 | |
1962 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) | |
1963 /* restore got_int, unless CTRL-C was hit while redrawing */ | |
1964 if (!got_int) | |
1965 got_int = save_got_int; | |
1966 #endif | |
1967 } | |
1968 | |
1969 #ifdef FEAT_SIGNS | |
1970 static int draw_signcolumn __ARGS((win_T *wp)); | |
1971 | |
1972 /* | |
1973 * Return TRUE when window "wp" has a column to draw signs in. | |
1974 */ | |
1975 static int | |
1976 draw_signcolumn(wp) | |
1977 win_T *wp; | |
1978 { | |
1979 return (wp->w_buffer->b_signlist != NULL | |
1980 # ifdef FEAT_NETBEANS_INTG | |
1981 || usingNetbeans | |
1982 # endif | |
1983 ); | |
1984 } | |
1985 #endif | |
1986 | |
1987 /* | |
1988 * Clear the rest of the window and mark the unused lines with "c1". use "c2" | |
1989 * as the filler character. | |
1990 */ | |
1991 static void | |
1992 win_draw_end(wp, c1, c2, row, endrow, hl) | |
1993 win_T *wp; | |
1994 int c1; | |
1995 int c2; | |
1996 int row; | |
1997 int endrow; | |
534 | 1998 hlf_T hl; |
7 | 1999 { |
2000 #if defined(FEAT_FOLDING) || defined(FEAT_SIGNS) || defined(FEAT_CMDWIN) | |
2001 int n = 0; | |
2002 # define FDC_OFF n | |
2003 #else | |
2004 # define FDC_OFF 0 | |
2005 #endif | |
2006 | |
2007 #ifdef FEAT_RIGHTLEFT | |
2008 if (wp->w_p_rl) | |
2009 { | |
2010 /* No check for cmdline window: should never be right-left. */ | |
2011 # ifdef FEAT_FOLDING | |
2012 n = wp->w_p_fdc; | |
2013 | |
2014 if (n > 0) | |
2015 { | |
2016 /* draw the fold column at the right */ | |
119 | 2017 if (n > W_WIDTH(wp)) |
2018 n = W_WIDTH(wp); | |
7 | 2019 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, |
2020 W_ENDCOL(wp) - n, (int)W_ENDCOL(wp), | |
2021 ' ', ' ', hl_attr(HLF_FC)); | |
2022 } | |
2023 # endif | |
2024 # ifdef FEAT_SIGNS | |
2025 if (draw_signcolumn(wp)) | |
2026 { | |
2027 int nn = n + 2; | |
2028 | |
2029 /* draw the sign column left of the fold column */ | |
119 | 2030 if (nn > W_WIDTH(wp)) |
2031 nn = W_WIDTH(wp); | |
7 | 2032 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, |
2033 W_ENDCOL(wp) - nn, (int)W_ENDCOL(wp) - n, | |
2034 ' ', ' ', hl_attr(HLF_SC)); | |
2035 n = nn; | |
2036 } | |
2037 # endif | |
2038 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2039 W_WINCOL(wp), W_ENDCOL(wp) - 1 - FDC_OFF, | |
2040 c2, c2, hl_attr(hl)); | |
2041 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2042 W_ENDCOL(wp) - 1 - FDC_OFF, W_ENDCOL(wp) - FDC_OFF, | |
2043 c1, c2, hl_attr(hl)); | |
2044 } | |
2045 else | |
2046 #endif | |
2047 { | |
2048 #ifdef FEAT_CMDWIN | |
2049 if (cmdwin_type != 0 && wp == curwin) | |
2050 { | |
2051 /* draw the cmdline character in the leftmost column */ | |
2052 n = 1; | |
2053 if (n > wp->w_width) | |
2054 n = wp->w_width; | |
2055 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2056 W_WINCOL(wp), (int)W_WINCOL(wp) + n, | |
2057 cmdwin_type, ' ', hl_attr(HLF_AT)); | |
2058 } | |
2059 #endif | |
2060 #ifdef FEAT_FOLDING | |
2061 if (wp->w_p_fdc > 0) | |
2062 { | |
2063 int nn = n + wp->w_p_fdc; | |
2064 | |
2065 /* draw the fold column at the left */ | |
2066 if (nn > W_WIDTH(wp)) | |
2067 nn = W_WIDTH(wp); | |
2068 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2069 W_WINCOL(wp) + n, (int)W_WINCOL(wp) + nn, | |
2070 ' ', ' ', hl_attr(HLF_FC)); | |
2071 n = nn; | |
2072 } | |
2073 #endif | |
2074 #ifdef FEAT_SIGNS | |
2075 if (draw_signcolumn(wp)) | |
2076 { | |
2077 int nn = n + 2; | |
2078 | |
2079 /* draw the sign column after the fold column */ | |
2080 if (nn > W_WIDTH(wp)) | |
2081 nn = W_WIDTH(wp); | |
2082 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2083 W_WINCOL(wp) + n, (int)W_WINCOL(wp) + nn, | |
2084 ' ', ' ', hl_attr(HLF_SC)); | |
2085 n = nn; | |
2086 } | |
2087 #endif | |
2088 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2089 W_WINCOL(wp) + FDC_OFF, (int)W_ENDCOL(wp), | |
2090 c1, c2, hl_attr(hl)); | |
2091 } | |
2092 set_empty_rows(wp, row); | |
2093 } | |
2094 | |
2095 #ifdef FEAT_FOLDING | |
2096 /* | |
2097 * Display one folded line. | |
2098 */ | |
2099 static void | |
2100 fold_line(wp, fold_count, foldinfo, lnum, row) | |
2101 win_T *wp; | |
2102 long fold_count; | |
2103 foldinfo_T *foldinfo; | |
2104 linenr_T lnum; | |
2105 int row; | |
2106 { | |
2107 char_u buf[51]; | |
2108 pos_T *top, *bot; | |
2109 linenr_T lnume = lnum + fold_count - 1; | |
2110 int len; | |
29 | 2111 char_u *text; |
7 | 2112 int fdc; |
2113 int col; | |
2114 int txtcol; | |
2115 int off = (int)(current_ScreenLine - ScreenLines); | |
216 | 2116 int ri; |
7 | 2117 |
2118 /* Build the fold line: | |
2119 * 1. Add the cmdwin_type for the command-line window | |
2120 * 2. Add the 'foldcolumn' | |
2121 * 3. Add the 'number' column | |
2122 * 4. Compose the text | |
2123 * 5. Add the text | |
2124 * 6. set highlighting for the Visual area an other text | |
2125 */ | |
2126 col = 0; | |
2127 | |
2128 /* | |
2129 * 1. Add the cmdwin_type for the command-line window | |
2130 * Ignores 'rightleft', this window is never right-left. | |
2131 */ | |
2132 #ifdef FEAT_CMDWIN | |
2133 if (cmdwin_type != 0 && wp == curwin) | |
2134 { | |
2135 ScreenLines[off] = cmdwin_type; | |
2136 ScreenAttrs[off] = hl_attr(HLF_AT); | |
2137 #ifdef FEAT_MBYTE | |
2138 if (enc_utf8) | |
2139 ScreenLinesUC[off] = 0; | |
2140 #endif | |
2141 ++col; | |
2142 } | |
2143 #endif | |
2144 | |
2145 /* | |
2146 * 2. Add the 'foldcolumn' | |
2147 */ | |
2148 fdc = wp->w_p_fdc; | |
2149 if (fdc > W_WIDTH(wp) - col) | |
2150 fdc = W_WIDTH(wp) - col; | |
2151 if (fdc > 0) | |
2152 { | |
2153 fill_foldcolumn(buf, wp, TRUE, lnum); | |
2154 #ifdef FEAT_RIGHTLEFT | |
2155 if (wp->w_p_rl) | |
2156 { | |
2157 int i; | |
2158 | |
2159 copy_text_attr(off + W_WIDTH(wp) - fdc - col, buf, fdc, | |
2160 hl_attr(HLF_FC)); | |
2161 /* reverse the fold column */ | |
2162 for (i = 0; i < fdc; ++i) | |
2163 ScreenLines[off + W_WIDTH(wp) - i - 1 - col] = buf[i]; | |
2164 } | |
2165 else | |
2166 #endif | |
2167 copy_text_attr(off + col, buf, fdc, hl_attr(HLF_FC)); | |
2168 col += fdc; | |
2169 } | |
2170 | |
2171 #ifdef FEAT_RIGHTLEFT | |
216 | 2172 # define RL_MEMSET(p, v, l) if (wp->w_p_rl) \ |
2173 for (ri = 0; ri < l; ++ri) \ | |
2174 ScreenAttrs[off + (W_WIDTH(wp) - (p) - (l)) + ri] = v; \ | |
2175 else \ | |
2176 for (ri = 0; ri < l; ++ri) \ | |
2177 ScreenAttrs[off + (p) + ri] = v | |
7 | 2178 #else |
216 | 2179 # define RL_MEMSET(p, v, l) for (ri = 0; ri < l; ++ri) \ |
2180 ScreenAttrs[off + (p) + ri] = v | |
7 | 2181 #endif |
2182 | |
2183 /* Set all attributes of the 'number' column and the text */ | |
216 | 2184 RL_MEMSET(col, hl_attr(HLF_FL), W_WIDTH(wp) - col); |
7 | 2185 |
2186 #ifdef FEAT_SIGNS | |
2187 /* If signs are being displayed, add two spaces. */ | |
2188 if (draw_signcolumn(wp)) | |
2189 { | |
2190 len = W_WIDTH(wp) - col; | |
2191 if (len > 0) | |
2192 { | |
2193 if (len > 2) | |
2194 len = 2; | |
2195 # ifdef FEAT_RIGHTLEFT | |
2196 if (wp->w_p_rl) | |
2197 /* the line number isn't reversed */ | |
2198 copy_text_attr(off + W_WIDTH(wp) - len - col, | |
2199 (char_u *)" ", len, hl_attr(HLF_FL)); | |
2200 else | |
2201 # endif | |
2202 copy_text_attr(off + col, (char_u *)" ", len, hl_attr(HLF_FL)); | |
2203 col += len; | |
2204 } | |
2205 } | |
2206 #endif | |
2207 | |
2208 /* | |
2209 * 3. Add the 'number' column | |
2210 */ | |
2211 if (wp->w_p_nu) | |
2212 { | |
2213 len = W_WIDTH(wp) - col; | |
2214 if (len > 0) | |
2215 { | |
13 | 2216 int w = number_width(wp); |
2217 | |
2218 if (len > w + 1) | |
2219 len = w + 1; | |
2220 sprintf((char *)buf, "%*ld ", w, (long)lnum); | |
7 | 2221 #ifdef FEAT_RIGHTLEFT |
2222 if (wp->w_p_rl) | |
2223 /* the line number isn't reversed */ | |
2224 copy_text_attr(off + W_WIDTH(wp) - len - col, buf, len, | |
2225 hl_attr(HLF_FL)); | |
2226 else | |
2227 #endif | |
2228 copy_text_attr(off + col, buf, len, hl_attr(HLF_FL)); | |
2229 col += len; | |
2230 } | |
2231 } | |
2232 | |
2233 /* | |
2234 * 4. Compose the folded-line string with 'foldtext', if set. | |
2235 */ | |
29 | 2236 text = get_foldtext(wp, lnum, lnume, foldinfo, buf); |
7 | 2237 |
2238 txtcol = col; /* remember where text starts */ | |
2239 | |
2240 /* | |
2241 * 5. move the text to current_ScreenLine. Fill up with "fill_fold". | |
2242 * Right-left text is put in columns 0 - number-col, normal text is put | |
2243 * in columns number-col - window-width. | |
2244 */ | |
2245 #ifdef FEAT_MBYTE | |
2246 if (has_mbyte) | |
2247 { | |
2248 int cells; | |
714 | 2249 int u8c, u8cc[MAX_MCO]; |
2250 int i; | |
7 | 2251 int idx; |
2252 int c_len; | |
33 | 2253 char_u *p; |
7 | 2254 # ifdef FEAT_ARABIC |
2255 int prev_c = 0; /* previous Arabic character */ | |
2256 int prev_c1 = 0; /* first composing char for prev_c */ | |
2257 # endif | |
2258 | |
2259 # ifdef FEAT_RIGHTLEFT | |
2260 if (wp->w_p_rl) | |
2261 idx = off; | |
2262 else | |
2263 # endif | |
2264 idx = off + col; | |
2265 | |
2266 /* Store multibyte characters in ScreenLines[] et al. correctly. */ | |
2267 for (p = text; *p != NUL; ) | |
2268 { | |
2269 cells = (*mb_ptr2cells)(p); | |
474 | 2270 c_len = (*mb_ptr2len)(p); |
7 | 2271 if (col + cells > W_WIDTH(wp) |
2272 # ifdef FEAT_RIGHTLEFT | |
2273 - (wp->w_p_rl ? col : 0) | |
2274 # endif | |
2275 ) | |
2276 break; | |
2277 ScreenLines[idx] = *p; | |
2278 if (enc_utf8) | |
2279 { | |
714 | 2280 u8c = utfc_ptr2char(p, u8cc); |
2281 if (*p < 0x80 && u8cc[0] == 0) | |
7 | 2282 { |
2283 ScreenLinesUC[idx] = 0; | |
2284 #ifdef FEAT_ARABIC | |
2285 prev_c = u8c; | |
2286 #endif | |
2287 } | |
2288 else | |
2289 { | |
2290 #ifdef FEAT_ARABIC | |
2291 if (p_arshape && !p_tbidi && ARABIC_CHAR(u8c)) | |
2292 { | |
2293 /* Do Arabic shaping. */ | |
714 | 2294 int pc, pc1, nc; |
2295 int pcc[MAX_MCO]; | |
7 | 2296 int firstbyte = *p; |
2297 | |
2298 /* The idea of what is the previous and next | |
2299 * character depends on 'rightleft'. */ | |
2300 if (wp->w_p_rl) | |
2301 { | |
2302 pc = prev_c; | |
2303 pc1 = prev_c1; | |
2304 nc = utf_ptr2char(p + c_len); | |
714 | 2305 prev_c1 = u8cc[0]; |
7 | 2306 } |
2307 else | |
2308 { | |
714 | 2309 pc = utfc_ptr2char(p + c_len, pcc); |
7 | 2310 nc = prev_c; |
714 | 2311 pc1 = pcc[0]; |
7 | 2312 } |
2313 prev_c = u8c; | |
2314 | |
714 | 2315 u8c = arabic_shape(u8c, &firstbyte, &u8cc[0], |
7 | 2316 pc, pc1, nc); |
2317 ScreenLines[idx] = firstbyte; | |
2318 } | |
2319 else | |
2320 prev_c = u8c; | |
2321 #endif | |
2322 /* Non-BMP character: display as ? or fullwidth ?. */ | |
1401 | 2323 #ifdef UNICODE16 |
7 | 2324 if (u8c >= 0x10000) |
2325 ScreenLinesUC[idx] = (cells == 2) ? 0xff1f : (int)'?'; | |
2326 else | |
1401 | 2327 #endif |
7 | 2328 ScreenLinesUC[idx] = u8c; |
714 | 2329 for (i = 0; i < Screen_mco; ++i) |
2330 { | |
2331 ScreenLinesC[i][idx] = u8cc[i]; | |
2332 if (u8cc[i] == 0) | |
2333 break; | |
2334 } | |
7 | 2335 } |
2336 if (cells > 1) | |
2337 ScreenLines[idx + 1] = 0; | |
2338 } | |
2069
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
2339 else if (enc_dbcs == DBCS_JPNU && *p == 0x8e) |
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
2340 /* double-byte single width character */ |
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
2341 ScreenLines2[idx] = p[1]; |
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
2342 else if (cells > 1) |
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
2343 /* double-width character */ |
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
2344 ScreenLines[idx + 1] = p[1]; |
7 | 2345 col += cells; |
2346 idx += cells; | |
2347 p += c_len; | |
2348 } | |
2349 } | |
2350 else | |
2351 #endif | |
2352 { | |
2353 len = (int)STRLEN(text); | |
2354 if (len > W_WIDTH(wp) - col) | |
2355 len = W_WIDTH(wp) - col; | |
2356 if (len > 0) | |
2357 { | |
2358 #ifdef FEAT_RIGHTLEFT | |
2359 if (wp->w_p_rl) | |
2360 STRNCPY(current_ScreenLine, text, len); | |
2361 else | |
2362 #endif | |
2363 STRNCPY(current_ScreenLine + col, text, len); | |
2364 col += len; | |
2365 } | |
2366 } | |
2367 | |
2368 /* Fill the rest of the line with the fold filler */ | |
2369 #ifdef FEAT_RIGHTLEFT | |
2370 if (wp->w_p_rl) | |
2371 col -= txtcol; | |
2372 #endif | |
2373 while (col < W_WIDTH(wp) | |
2374 #ifdef FEAT_RIGHTLEFT | |
2375 - (wp->w_p_rl ? txtcol : 0) | |
2376 #endif | |
2377 ) | |
2378 { | |
2379 #ifdef FEAT_MBYTE | |
2380 if (enc_utf8) | |
2381 { | |
2382 if (fill_fold >= 0x80) | |
2383 { | |
2384 ScreenLinesUC[off + col] = fill_fold; | |
714 | 2385 ScreenLinesC[0][off + col] = 0; |
7 | 2386 } |
2387 else | |
2388 ScreenLinesUC[off + col] = 0; | |
2389 } | |
2390 #endif | |
2391 ScreenLines[off + col++] = fill_fold; | |
2392 } | |
2393 | |
2394 if (text != buf) | |
2395 vim_free(text); | |
2396 | |
2397 /* | |
2398 * 6. set highlighting for the Visual area an other text. | |
2399 * If all folded lines are in the Visual area, highlight the line. | |
2400 */ | |
2401 #ifdef FEAT_VISUAL | |
2402 if (VIsual_active && wp->w_buffer == curwin->w_buffer) | |
2403 { | |
2404 if (ltoreq(curwin->w_cursor, VIsual)) | |
2405 { | |
2406 /* Visual is after curwin->w_cursor */ | |
2407 top = &curwin->w_cursor; | |
2408 bot = &VIsual; | |
2409 } | |
2410 else | |
2411 { | |
2412 /* Visual is before curwin->w_cursor */ | |
2413 top = &VIsual; | |
2414 bot = &curwin->w_cursor; | |
2415 } | |
2416 if (lnum >= top->lnum | |
2417 && lnume <= bot->lnum | |
2418 && (VIsual_mode != 'v' | |
2419 || ((lnum > top->lnum | |
2420 || (lnum == top->lnum | |
2421 && top->col == 0)) | |
2422 && (lnume < bot->lnum | |
2423 || (lnume == bot->lnum | |
2424 && (bot->col - (*p_sel == 'e')) | |
1883 | 2425 >= (colnr_T)STRLEN(ml_get_buf(wp->w_buffer, lnume, FALSE))))))) |
7 | 2426 { |
2427 if (VIsual_mode == Ctrl_V) | |
2428 { | |
2429 /* Visual block mode: highlight the chars part of the block */ | |
2430 if (wp->w_old_cursor_fcol + txtcol < (colnr_T)W_WIDTH(wp)) | |
2431 { | |
2432 if (wp->w_old_cursor_lcol + txtcol < (colnr_T)W_WIDTH(wp)) | |
2433 len = wp->w_old_cursor_lcol; | |
2434 else | |
2435 len = W_WIDTH(wp) - txtcol; | |
2436 RL_MEMSET(wp->w_old_cursor_fcol + txtcol, hl_attr(HLF_V), | |
230 | 2437 len - (int)wp->w_old_cursor_fcol); |
7 | 2438 } |
2439 } | |
2440 else | |
216 | 2441 { |
7 | 2442 /* Set all attributes of the text */ |
216 | 2443 RL_MEMSET(txtcol, hl_attr(HLF_V), W_WIDTH(wp) - txtcol); |
2444 } | |
7 | 2445 } |
2446 } | |
2447 #endif | |
2448 | |
743 | 2449 #ifdef FEAT_SYN_HL |
2450 /* Show 'cursorcolumn' in the fold line. */ | |
1725 | 2451 if (wp->w_p_cuc) |
2452 { | |
2453 txtcol += wp->w_virtcol; | |
2454 if (wp->w_p_wrap) | |
2455 txtcol -= wp->w_skipcol; | |
2456 else | |
2457 txtcol -= wp->w_leftcol; | |
2458 if (txtcol >= 0 && txtcol < W_WIDTH(wp)) | |
2459 ScreenAttrs[off + txtcol] = hl_combine_attr( | |
2460 ScreenAttrs[off + txtcol], hl_attr(HLF_CUC)); | |
2461 } | |
743 | 2462 #endif |
7 | 2463 |
2464 SCREEN_LINE(row + W_WINROW(wp), W_WINCOL(wp), (int)W_WIDTH(wp), | |
2465 (int)W_WIDTH(wp), FALSE); | |
2466 | |
2467 /* | |
2468 * Update w_cline_height and w_cline_folded if the cursor line was | |
2469 * updated (saves a call to plines() later). | |
2470 */ | |
2471 if (wp == curwin | |
2472 && lnum <= curwin->w_cursor.lnum | |
2473 && lnume >= curwin->w_cursor.lnum) | |
2474 { | |
2475 curwin->w_cline_row = row; | |
2476 curwin->w_cline_height = 1; | |
2477 curwin->w_cline_folded = TRUE; | |
2478 curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW); | |
2479 } | |
2480 } | |
2481 | |
2482 /* | |
2483 * Copy "buf[len]" to ScreenLines["off"] and set attributes to "attr". | |
2484 */ | |
2485 static void | |
2486 copy_text_attr(off, buf, len, attr) | |
2487 int off; | |
2488 char_u *buf; | |
2489 int len; | |
2490 int attr; | |
2491 { | |
216 | 2492 int i; |
2493 | |
7 | 2494 mch_memmove(ScreenLines + off, buf, (size_t)len); |
2495 # ifdef FEAT_MBYTE | |
2496 if (enc_utf8) | |
2497 vim_memset(ScreenLinesUC + off, 0, sizeof(u8char_T) * (size_t)len); | |
2498 # endif | |
216 | 2499 for (i = 0; i < len; ++i) |
2500 ScreenAttrs[off + i] = attr; | |
7 | 2501 } |
2502 | |
2503 /* | |
2504 * Fill the foldcolumn at "p" for window "wp". | |
548 | 2505 * Only to be called when 'foldcolumn' > 0. |
7 | 2506 */ |
2507 static void | |
2508 fill_foldcolumn(p, wp, closed, lnum) | |
2509 char_u *p; | |
2510 win_T *wp; | |
2511 int closed; /* TRUE of FALSE */ | |
2512 linenr_T lnum; /* current line number */ | |
2513 { | |
2514 int i = 0; | |
2515 int level; | |
2516 int first_level; | |
519 | 2517 int empty; |
7 | 2518 |
2519 /* Init to all spaces. */ | |
2520 copy_spaces(p, (size_t)wp->w_p_fdc); | |
2521 | |
2522 level = win_foldinfo.fi_level; | |
2523 if (level > 0) | |
2524 { | |
519 | 2525 /* If there is only one column put more info in it. */ |
2526 empty = (wp->w_p_fdc == 1) ? 0 : 1; | |
2527 | |
7 | 2528 /* If the column is too narrow, we start at the lowest level that |
2529 * fits and use numbers to indicated the depth. */ | |
519 | 2530 first_level = level - wp->w_p_fdc - closed + 1 + empty; |
7 | 2531 if (first_level < 1) |
2532 first_level = 1; | |
2533 | |
519 | 2534 for (i = 0; i + empty < wp->w_p_fdc; ++i) |
7 | 2535 { |
2536 if (win_foldinfo.fi_lnum == lnum | |
2537 && first_level + i >= win_foldinfo.fi_low_level) | |
2538 p[i] = '-'; | |
2539 else if (first_level == 1) | |
2540 p[i] = '|'; | |
2541 else if (first_level + i <= 9) | |
2542 p[i] = '0' + first_level + i; | |
2543 else | |
2544 p[i] = '>'; | |
2545 if (first_level + i == level) | |
2546 break; | |
2547 } | |
2548 } | |
2549 if (closed) | |
548 | 2550 p[i >= wp->w_p_fdc ? i - 1 : i] = '+'; |
7 | 2551 } |
2552 #endif /* FEAT_FOLDING */ | |
2553 | |
2554 /* | |
2555 * Display line "lnum" of window 'wp' on the screen. | |
2556 * Start at row "startrow", stop when "endrow" is reached. | |
2557 * wp->w_virtcol needs to be valid. | |
2558 * | |
2559 * Return the number of last row the line occupies. | |
2560 */ | |
2561 static int | |
625 | 2562 win_line(wp, lnum, startrow, endrow, nochange) |
7 | 2563 win_T *wp; |
2564 linenr_T lnum; | |
2565 int startrow; | |
2566 int endrow; | |
1883 | 2567 int nochange UNUSED; /* not updating for changed text */ |
7 | 2568 { |
2569 int col; /* visual column on screen */ | |
2570 unsigned off; /* offset in ScreenLines/ScreenAttrs */ | |
2571 int c = 0; /* init for GCC */ | |
2572 long vcol = 0; /* virtual column (for tabs) */ | |
2573 long vcol_prev = -1; /* "vcol" of previous character */ | |
2574 char_u *line; /* current line */ | |
2575 char_u *ptr; /* current position in "line" */ | |
2576 int row; /* row in the window, excl w_winrow */ | |
2577 int screen_row; /* row on the screen, incl w_winrow */ | |
2578 | |
2579 char_u extra[18]; /* "%ld" and 'fdc' must fit in here */ | |
2580 int n_extra = 0; /* number of extra chars */ | |
1340 | 2581 char_u *p_extra = NULL; /* string of extra chars, plus NUL */ |
7 | 2582 int c_extra = NUL; /* extra chars, all the same */ |
2583 int extra_attr = 0; /* attributes when n_extra != 0 */ | |
2584 static char_u *at_end_str = (char_u *)""; /* used for p_extra when | |
2585 displaying lcs_eol at end-of-line */ | |
2586 int lcs_eol_one = lcs_eol; /* lcs_eol until it's been used */ | |
2587 int lcs_prec_todo = lcs_prec; /* lcs_prec until it's been used */ | |
2588 | |
2589 /* saved "extra" items for when draw_state becomes WL_LINE (again) */ | |
2590 int saved_n_extra = 0; | |
2591 char_u *saved_p_extra = NULL; | |
2592 int saved_c_extra = 0; | |
2593 int saved_char_attr = 0; | |
2594 | |
2595 int n_attr = 0; /* chars with special attr */ | |
2596 int saved_attr2 = 0; /* char_attr saved for n_attr */ | |
2597 int n_attr3 = 0; /* chars with overruling special attr */ | |
2598 int saved_attr3 = 0; /* char_attr saved for n_attr3 */ | |
2599 | |
2600 int n_skip = 0; /* nr of chars to skip for 'nowrap' */ | |
2601 | |
2602 int fromcol, tocol; /* start/end of inverting */ | |
2603 int fromcol_prev = -2; /* start of inverting after cursor */ | |
2604 int noinvcur = FALSE; /* don't invert the cursor */ | |
2605 #ifdef FEAT_VISUAL | |
2606 pos_T *top, *bot; | |
1813 | 2607 int lnum_in_visual_area = FALSE; |
7 | 2608 #endif |
2609 pos_T pos; | |
2610 long v; | |
2611 | |
2612 int char_attr = 0; /* attributes for next character */ | |
674 | 2613 int attr_pri = FALSE; /* char_attr has priority */ |
7 | 2614 int area_highlighting = FALSE; /* Visual or incsearch highlighting |
2615 in this line */ | |
2616 int attr = 0; /* attributes for area highlighting */ | |
2617 int area_attr = 0; /* attributes desired by highlighting */ | |
2618 int search_attr = 0; /* attributes desired by 'hlsearch' */ | |
2619 #ifdef FEAT_SYN_HL | |
743 | 2620 int vcol_save_attr = 0; /* saved attr for 'cursorcolumn' */ |
7 | 2621 int syntax_attr = 0; /* attributes desired by syntax */ |
2622 int has_syntax = FALSE; /* this buffer has syntax highl. */ | |
2623 int save_did_emsg; | |
1437 | 2624 int eol_hl_off = 0; /* 1 if highlighted char after EOL */ |
743 | 2625 #endif |
2626 #ifdef FEAT_SPELL | |
221 | 2627 int has_spell = FALSE; /* this buffer has spell checking */ |
348 | 2628 # define SPWORDLEN 150 |
2629 char_u nextline[SPWORDLEN * 2];/* text with start of the next line */ | |
353 | 2630 int nextlinecol = 0; /* column where nextline[] starts */ |
2631 int nextline_idx = 0; /* index in nextline[] where next line | |
348 | 2632 starts */ |
221 | 2633 int spell_attr = 0; /* attributes desired by spelling */ |
2634 int word_end = 0; /* last byte with same spell_attr */ | |
378 | 2635 static linenr_T checked_lnum = 0; /* line number for "checked_col" */ |
2636 static int checked_col = 0; /* column in "checked_lnum" up to which | |
348 | 2637 * there are no spell errors */ |
386 | 2638 static int cap_col = -1; /* column to check for Cap word */ |
2639 static linenr_T capcol_lnum = 0; /* line number where "cap_col" used */ | |
348 | 2640 int cur_checked_col = 0; /* checked column for current line */ |
7 | 2641 #endif |
2642 int extra_check; /* has syntax or linebreak */ | |
2643 #ifdef FEAT_MBYTE | |
2644 int multi_attr = 0; /* attributes desired by multibyte */ | |
2645 int mb_l = 1; /* multi-byte byte length */ | |
2646 int mb_c = 0; /* decoded multi-byte character */ | |
2647 int mb_utf8 = FALSE; /* screen char is UTF-8 char */ | |
714 | 2648 int u8cc[MAX_MCO]; /* composing UTF-8 chars */ |
7 | 2649 #endif |
2650 #ifdef FEAT_DIFF | |
2651 int filler_lines; /* nr of filler lines to be drawn */ | |
2652 int filler_todo; /* nr of filler lines still to do + 1 */ | |
534 | 2653 hlf_T diff_hlf = (hlf_T)0; /* type of diff highlighting */ |
7 | 2654 int change_start = MAXCOL; /* first col of changed area */ |
2655 int change_end = -1; /* last col of changed area */ | |
2656 #endif | |
2657 colnr_T trailcol = MAXCOL; /* start of trailing spaces */ | |
2658 #ifdef FEAT_LINEBREAK | |
2659 int need_showbreak = FALSE; | |
2660 #endif | |
910 | 2661 #if defined(FEAT_SIGNS) || (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ |
2662 || defined(FEAT_SYN_HL) || defined(FEAT_DIFF) | |
7 | 2663 # define LINE_ATTR |
1536 | 2664 int line_attr = 0; /* attribute for the whole line */ |
7 | 2665 #endif |
2666 #ifdef FEAT_SEARCH_EXTRA | |
1326 | 2667 matchitem_T *cur; /* points to the match list */ |
2668 match_T *shl; /* points to search_hl or a match */ | |
2669 int shl_flag; /* flag to indicate whether search_hl | |
2670 has been processed or not */ | |
2671 int prevcol_hl_flag; /* flag to indicate whether prevcol | |
2672 equals startcol of search_hl or one | |
2673 of the matches */ | |
7 | 2674 #endif |
2675 #ifdef FEAT_ARABIC | |
2676 int prev_c = 0; /* previous Arabic character */ | |
2677 int prev_c1 = 0; /* first composing char for prev_c */ | |
2678 #endif | |
910 | 2679 #if defined(LINE_ATTR) |
867 | 2680 int did_line_attr = 0; |
2681 #endif | |
7 | 2682 |
2683 /* draw_state: items that are drawn in sequence: */ | |
2684 #define WL_START 0 /* nothing done yet */ | |
2685 #ifdef FEAT_CMDWIN | |
2686 # define WL_CMDLINE WL_START + 1 /* cmdline window column */ | |
2687 #else | |
2688 # define WL_CMDLINE WL_START | |
2689 #endif | |
2690 #ifdef FEAT_FOLDING | |
2691 # define WL_FOLD WL_CMDLINE + 1 /* 'foldcolumn' */ | |
2692 #else | |
2693 # define WL_FOLD WL_CMDLINE | |
2694 #endif | |
2695 #ifdef FEAT_SIGNS | |
2696 # define WL_SIGN WL_FOLD + 1 /* column for signs */ | |
2697 #else | |
2698 # define WL_SIGN WL_FOLD /* column for signs */ | |
2699 #endif | |
2700 #define WL_NR WL_SIGN + 1 /* line number */ | |
2701 #if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF) | |
2702 # define WL_SBR WL_NR + 1 /* 'showbreak' or 'diff' */ | |
2703 #else | |
2704 # define WL_SBR WL_NR | |
2705 #endif | |
2706 #define WL_LINE WL_SBR + 1 /* text in the line */ | |
2707 int draw_state = WL_START; /* what to draw next */ | |
574 | 2708 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) |
7 | 2709 int feedback_col = 0; |
2710 int feedback_old_attr = -1; | |
2711 #endif | |
2712 | |
2713 | |
2714 if (startrow > endrow) /* past the end already! */ | |
2715 return startrow; | |
2716 | |
2717 row = startrow; | |
2718 screen_row = row + W_WINROW(wp); | |
2719 | |
2720 /* | |
2721 * To speed up the loop below, set extra_check when there is linebreak, | |
2722 * trailing white space and/or syntax processing to be done. | |
2723 */ | |
2724 #ifdef FEAT_LINEBREAK | |
2725 extra_check = wp->w_p_lbr; | |
2726 #else | |
2727 extra_check = 0; | |
2728 #endif | |
2729 #ifdef FEAT_SYN_HL | |
482 | 2730 if (syntax_present(wp->w_buffer) && !wp->w_buffer->b_syn_error) |
7 | 2731 { |
2732 /* Prepare for syntax highlighting in this line. When there is an | |
2733 * error, stop syntax highlighting. */ | |
2734 save_did_emsg = did_emsg; | |
2735 did_emsg = FALSE; | |
2736 syntax_start(wp, lnum); | |
2737 if (did_emsg) | |
482 | 2738 wp->w_buffer->b_syn_error = TRUE; |
7 | 2739 else |
2740 { | |
2741 did_emsg = save_did_emsg; | |
2742 has_syntax = TRUE; | |
2743 extra_check = TRUE; | |
2744 } | |
2745 } | |
743 | 2746 #endif |
2747 | |
2748 #ifdef FEAT_SPELL | |
258 | 2749 if (wp->w_p_spell |
2750 && *wp->w_buffer->b_p_spl != NUL | |
2751 && wp->w_buffer->b_langp.ga_len > 0 | |
2752 && *(char **)(wp->w_buffer->b_langp.ga_data) != NULL) | |
221 | 2753 { |
2754 /* Prepare for spell checking. */ | |
2755 has_spell = TRUE; | |
2756 extra_check = TRUE; | |
348 | 2757 |
2758 /* Get the start of the next line, so that words that wrap to the next | |
2759 * line are found too: "et<line-break>al.". | |
2760 * Trick: skip a few chars for C/shell/Vim comments */ | |
2761 nextline[SPWORDLEN] = NUL; | |
2762 if (lnum < wp->w_buffer->b_ml.ml_line_count) | |
2763 { | |
2764 line = ml_get_buf(wp->w_buffer, lnum + 1, FALSE); | |
2765 spell_cat_line(nextline + SPWORDLEN, line, SPWORDLEN); | |
2766 } | |
2767 | |
2768 /* When a word wrapped from the previous line the start of the current | |
2769 * line is valid. */ | |
2770 if (lnum == checked_lnum) | |
2771 cur_checked_col = checked_col; | |
2772 checked_lnum = 0; | |
386 | 2773 |
2774 /* When there was a sentence end in the previous line may require a | |
2775 * word starting with capital in this line. In line 1 always check | |
2776 * the first word. */ | |
2777 if (lnum != capcol_lnum) | |
2778 cap_col = -1; | |
2779 if (lnum == 1) | |
2780 cap_col = 0; | |
2781 capcol_lnum = 0; | |
221 | 2782 } |
7 | 2783 #endif |
2784 | |
2785 /* | |
2786 * handle visual active in this window | |
2787 */ | |
2788 fromcol = -10; | |
2789 tocol = MAXCOL; | |
2790 #ifdef FEAT_VISUAL | |
2791 if (VIsual_active && wp->w_buffer == curwin->w_buffer) | |
2792 { | |
2793 /* Visual is after curwin->w_cursor */ | |
2794 if (ltoreq(curwin->w_cursor, VIsual)) | |
2795 { | |
2796 top = &curwin->w_cursor; | |
2797 bot = &VIsual; | |
2798 } | |
2799 else /* Visual is before curwin->w_cursor */ | |
2800 { | |
2801 top = &VIsual; | |
2802 bot = &curwin->w_cursor; | |
2803 } | |
1813 | 2804 lnum_in_visual_area = (lnum >= top->lnum && lnum <= bot->lnum); |
7 | 2805 if (VIsual_mode == Ctrl_V) /* block mode */ |
2806 { | |
1813 | 2807 if (lnum_in_visual_area) |
7 | 2808 { |
2809 fromcol = wp->w_old_cursor_fcol; | |
2810 tocol = wp->w_old_cursor_lcol; | |
2811 } | |
2812 } | |
2813 else /* non-block mode */ | |
2814 { | |
2815 if (lnum > top->lnum && lnum <= bot->lnum) | |
2816 fromcol = 0; | |
2817 else if (lnum == top->lnum) | |
2818 { | |
2819 if (VIsual_mode == 'V') /* linewise */ | |
2820 fromcol = 0; | |
2821 else | |
2822 { | |
2823 getvvcol(wp, top, (colnr_T *)&fromcol, NULL, NULL); | |
2824 if (gchar_pos(top) == NUL) | |
2825 tocol = fromcol + 1; | |
2826 } | |
2827 } | |
2828 if (VIsual_mode != 'V' && lnum == bot->lnum) | |
2829 { | |
2830 if (*p_sel == 'e' && bot->col == 0 | |
2831 #ifdef FEAT_VIRTUALEDIT | |
2832 && bot->coladd == 0 | |
2833 #endif | |
2834 ) | |
2835 { | |
2836 fromcol = -10; | |
2837 tocol = MAXCOL; | |
2838 } | |
36 | 2839 else if (bot->col == MAXCOL) |
2840 tocol = MAXCOL; | |
7 | 2841 else |
2842 { | |
2843 pos = *bot; | |
2844 if (*p_sel == 'e') | |
2845 getvvcol(wp, &pos, (colnr_T *)&tocol, NULL, NULL); | |
2846 else | |
2847 { | |
2848 getvvcol(wp, &pos, NULL, NULL, (colnr_T *)&tocol); | |
2849 ++tocol; | |
2850 } | |
2851 } | |
2852 } | |
2853 } | |
2854 | |
2855 #ifndef MSDOS | |
2856 /* Check if the character under the cursor should not be inverted */ | |
2857 if (!highlight_match && lnum == curwin->w_cursor.lnum && wp == curwin | |
2858 # ifdef FEAT_GUI | |
2859 && !gui.in_use | |
2860 # endif | |
2861 ) | |
2862 noinvcur = TRUE; | |
2863 #endif | |
2864 | |
2865 /* if inverting in this line set area_highlighting */ | |
2866 if (fromcol >= 0) | |
2867 { | |
2868 area_highlighting = TRUE; | |
2869 attr = hl_attr(HLF_V); | |
2870 #if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) | |
2871 if (clip_star.available && !clip_star.owned && clip_isautosel()) | |
2872 attr = hl_attr(HLF_VNC); | |
2873 #endif | |
2874 } | |
2875 } | |
2876 | |
2877 /* | |
674 | 2878 * handle 'incsearch' and ":s///c" highlighting |
7 | 2879 */ |
2880 else | |
2881 #endif /* FEAT_VISUAL */ | |
2882 if (highlight_match | |
2883 && wp == curwin | |
2884 && lnum >= curwin->w_cursor.lnum | |
2885 && lnum <= curwin->w_cursor.lnum + search_match_lines) | |
2886 { | |
2887 if (lnum == curwin->w_cursor.lnum) | |
2888 getvcol(curwin, &(curwin->w_cursor), | |
2889 (colnr_T *)&fromcol, NULL, NULL); | |
2890 else | |
2891 fromcol = 0; | |
2892 if (lnum == curwin->w_cursor.lnum + search_match_lines) | |
2893 { | |
2894 pos.lnum = lnum; | |
2895 pos.col = search_match_endcol; | |
2896 getvcol(curwin, &pos, (colnr_T *)&tocol, NULL, NULL); | |
2897 } | |
2898 else | |
2899 tocol = MAXCOL; | |
1850 | 2900 /* do at least one character; happens when past end of line */ |
2901 if (fromcol == tocol) | |
2902 tocol = fromcol + 1; | |
7 | 2903 area_highlighting = TRUE; |
2904 attr = hl_attr(HLF_I); | |
2905 } | |
2906 | |
2907 #ifdef FEAT_DIFF | |
2908 filler_lines = diff_check(wp, lnum); | |
2909 if (filler_lines < 0) | |
2910 { | |
2911 if (filler_lines == -1) | |
2912 { | |
2913 if (diff_find_change(wp, lnum, &change_start, &change_end)) | |
2914 diff_hlf = HLF_ADD; /* added line */ | |
2915 else if (change_start == 0) | |
2916 diff_hlf = HLF_TXD; /* changed text */ | |
2917 else | |
2918 diff_hlf = HLF_CHD; /* changed line */ | |
2919 } | |
2920 else | |
2921 diff_hlf = HLF_ADD; /* added line */ | |
2922 filler_lines = 0; | |
2923 area_highlighting = TRUE; | |
2924 } | |
2925 if (lnum == wp->w_topline) | |
2926 filler_lines = wp->w_topfill; | |
2927 filler_todo = filler_lines; | |
2928 #endif | |
2929 | |
2930 #ifdef LINE_ATTR | |
2931 # ifdef FEAT_SIGNS | |
2932 /* If this line has a sign with line highlighting set line_attr. */ | |
2933 v = buf_getsigntype(wp->w_buffer, lnum, SIGN_LINEHL); | |
2934 if (v != 0) | |
2935 line_attr = sign_get_attr((int)v, TRUE); | |
2936 # endif | |
2937 # if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) | |
2938 /* Highlight the current line in the quickfix window. */ | |
644 | 2939 if (bt_quickfix(wp->w_buffer) && qf_current_entry(wp) == lnum) |
7 | 2940 line_attr = hl_attr(HLF_L); |
2941 # endif | |
2942 if (line_attr != 0) | |
2943 area_highlighting = TRUE; | |
2944 #endif | |
2945 | |
2946 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
2947 ptr = line; | |
2948 | |
743 | 2949 #ifdef FEAT_SPELL |
348 | 2950 if (has_spell) |
2951 { | |
386 | 2952 /* For checking first word with a capital skip white space. */ |
2953 if (cap_col == 0) | |
835 | 2954 cap_col = (int)(skipwhite(line) - line); |
386 | 2955 |
348 | 2956 /* To be able to spell-check over line boundaries copy the end of the |
2957 * current line into nextline[]. Above the start of the next line was | |
2958 * copied to nextline[SPWORDLEN]. */ | |
2959 if (nextline[SPWORDLEN] == NUL) | |
2960 { | |
2961 /* No next line or it is empty. */ | |
2962 nextlinecol = MAXCOL; | |
2963 nextline_idx = 0; | |
2964 } | |
2965 else | |
2966 { | |
835 | 2967 v = (long)STRLEN(line); |
348 | 2968 if (v < SPWORDLEN) |
2969 { | |
2970 /* Short line, use it completely and append the start of the | |
2971 * next line. */ | |
2972 nextlinecol = 0; | |
2973 mch_memmove(nextline, line, (size_t)v); | |
1621 | 2974 STRMOVE(nextline + v, nextline + SPWORDLEN); |
348 | 2975 nextline_idx = v + 1; |
2976 } | |
2977 else | |
2978 { | |
2979 /* Long line, use only the last SPWORDLEN bytes. */ | |
2980 nextlinecol = v - SPWORDLEN; | |
2981 mch_memmove(nextline, line + nextlinecol, SPWORDLEN); | |
2982 nextline_idx = SPWORDLEN + 1; | |
2983 } | |
2984 } | |
2985 } | |
2986 #endif | |
2987 | |
7 | 2988 /* find start of trailing whitespace */ |
2989 if (wp->w_p_list && lcs_trail) | |
2990 { | |
2991 trailcol = (colnr_T)STRLEN(ptr); | |
2992 while (trailcol > (colnr_T)0 && vim_iswhite(ptr[trailcol - 1])) | |
2993 --trailcol; | |
2994 trailcol += (colnr_T) (ptr - line); | |
2995 extra_check = TRUE; | |
2996 } | |
2997 | |
2998 /* | |
2999 * 'nowrap' or 'wrap' and a single line that doesn't fit: Advance to the | |
3000 * first character to be displayed. | |
3001 */ | |
3002 if (wp->w_p_wrap) | |
3003 v = wp->w_skipcol; | |
3004 else | |
3005 v = wp->w_leftcol; | |
3006 if (v > 0) | |
3007 { | |
3008 #ifdef FEAT_MBYTE | |
3009 char_u *prev_ptr = ptr; | |
3010 #endif | |
3011 while (vcol < v && *ptr != NUL) | |
3012 { | |
3013 c = win_lbr_chartabsize(wp, ptr, (colnr_T)vcol, NULL); | |
3014 vcol += c; | |
3015 #ifdef FEAT_MBYTE | |
3016 prev_ptr = ptr; | |
39 | 3017 #endif |
3018 mb_ptr_adv(ptr); | |
7 | 3019 } |
3020 | |
1984 | 3021 #if defined(FEAT_SYN_HL) || defined(FEAT_VIRTUALEDIT) || defined(FEAT_VISUAL) |
3022 /* When: | |
3023 * - 'cuc' is set, or | |
3024 * - 'virtualedit' is set, or | |
3025 * - the visual mode is active, | |
3026 * the end of the line may be before the start of the displayed part. | |
3027 */ | |
3028 if (vcol < v && ( | |
3029 # ifdef FEAT_SYN_HL | |
3030 wp->w_p_cuc | |
3031 # if defined(FEAT_VIRTUALEDIT) || defined(FEAT_VISUAL) | |
3032 || | |
3033 # endif | |
3034 # endif | |
3035 # ifdef FEAT_VIRTUALEDIT | |
3036 virtual_active() | |
3037 # ifdef FEAT_VISUAL | |
3038 || | |
3039 # endif | |
3040 # endif | |
3041 # ifdef FEAT_VISUAL | |
3042 (VIsual_active && wp->w_buffer == curwin->w_buffer) | |
3043 # endif | |
3044 )) | |
3045 { | |
7 | 3046 vcol = v; |
1984 | 3047 } |
7 | 3048 #endif |
3049 | |
3050 /* Handle a character that's not completely on the screen: Put ptr at | |
3051 * that character but skip the first few screen characters. */ | |
3052 if (vcol > v) | |
3053 { | |
3054 vcol -= c; | |
3055 #ifdef FEAT_MBYTE | |
3056 ptr = prev_ptr; | |
3057 #else | |
3058 --ptr; | |
3059 #endif | |
3060 n_skip = v - vcol; | |
3061 } | |
3062 | |
3063 /* | |
3064 * Adjust for when the inverted text is before the screen, | |
3065 * and when the start of the inverted text is before the screen. | |
3066 */ | |
3067 if (tocol <= vcol) | |
3068 fromcol = 0; | |
3069 else if (fromcol >= 0 && fromcol < vcol) | |
3070 fromcol = vcol; | |
3071 | |
3072 #ifdef FEAT_LINEBREAK | |
3073 /* When w_skipcol is non-zero, first line needs 'showbreak' */ | |
3074 if (wp->w_p_wrap) | |
3075 need_showbreak = TRUE; | |
3076 #endif | |
743 | 3077 #ifdef FEAT_SPELL |
499 | 3078 /* When spell checking a word we need to figure out the start of the |
3079 * word and if it's badly spelled or not. */ | |
3080 if (has_spell) | |
3081 { | |
3082 int len; | |
1536 | 3083 colnr_T linecol = (colnr_T)(ptr - line); |
534 | 3084 hlf_T spell_hlf = HLF_COUNT; |
499 | 3085 |
3086 pos = wp->w_cursor; | |
3087 wp->w_cursor.lnum = lnum; | |
1536 | 3088 wp->w_cursor.col = linecol; |
534 | 3089 len = spell_move_to(wp, FORWARD, TRUE, TRUE, &spell_hlf); |
1536 | 3090 |
3091 /* spell_move_to() may call ml_get() and make "line" invalid */ | |
3092 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
3093 ptr = line + linecol; | |
3094 | |
530 | 3095 if (len == 0 || (int)wp->w_cursor.col > ptr - line) |
499 | 3096 { |
3097 /* no bad word found at line start, don't check until end of a | |
3098 * word */ | |
534 | 3099 spell_hlf = HLF_COUNT; |
1536 | 3100 word_end = (int)(spell_to_word_end(ptr, wp->w_buffer) |
3101 - line + 1); | |
499 | 3102 } |
3103 else | |
534 | 3104 { |
499 | 3105 /* bad word found, use attributes until end of word */ |
3106 word_end = wp->w_cursor.col + len + 1; | |
3107 | |
534 | 3108 /* Turn index into actual attributes. */ |
3109 if (spell_hlf != HLF_COUNT) | |
3110 spell_attr = highlight_attr[spell_hlf]; | |
3111 } | |
499 | 3112 wp->w_cursor = pos; |
501 | 3113 |
743 | 3114 # ifdef FEAT_SYN_HL |
501 | 3115 /* Need to restart syntax highlighting for this line. */ |
3116 if (has_syntax) | |
3117 syntax_start(wp, lnum); | |
743 | 3118 # endif |
499 | 3119 } |
3120 #endif | |
7 | 3121 } |
3122 | |
3123 /* | |
3124 * Correct highlighting for cursor that can't be disabled. | |
3125 * Avoids having to check this for each character. | |
3126 */ | |
3127 if (fromcol >= 0) | |
3128 { | |
3129 if (noinvcur) | |
3130 { | |
3131 if ((colnr_T)fromcol == wp->w_virtcol) | |
3132 { | |
3133 /* highlighting starts at cursor, let it start just after the | |
3134 * cursor */ | |
3135 fromcol_prev = fromcol; | |
3136 fromcol = -1; | |
3137 } | |
3138 else if ((colnr_T)fromcol < wp->w_virtcol) | |
3139 /* restart highlighting after the cursor */ | |
3140 fromcol_prev = wp->w_virtcol; | |
3141 } | |
3142 if (fromcol >= tocol) | |
3143 fromcol = -1; | |
3144 } | |
3145 | |
3146 #ifdef FEAT_SEARCH_EXTRA | |
3147 /* | |
1326 | 3148 * Handle highlighting the last used search pattern and matches. |
3149 * Do this for both search_hl and the match list. | |
7 | 3150 */ |
1326 | 3151 cur = wp->w_match_head; |
3152 shl_flag = FALSE; | |
3153 while (cur != NULL || shl_flag == FALSE) | |
3154 { | |
3155 if (shl_flag == FALSE) | |
3156 { | |
3157 shl = &search_hl; | |
3158 shl_flag = TRUE; | |
3159 } | |
3160 else | |
3161 shl = &cur->hl; | |
36 | 3162 shl->startcol = MAXCOL; |
3163 shl->endcol = MAXCOL; | |
7 | 3164 shl->attr_cur = 0; |
3165 if (shl->rm.regprog != NULL) | |
3166 { | |
3167 v = (long)(ptr - line); | |
3168 next_search_hl(wp, shl, lnum, (colnr_T)v); | |
3169 | |
3170 /* Need to get the line again, a multi-line regexp may have made it | |
3171 * invalid. */ | |
3172 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
3173 ptr = line + v; | |
3174 | |
3175 if (shl->lnum != 0 && shl->lnum <= lnum) | |
3176 { | |
3177 if (shl->lnum == lnum) | |
36 | 3178 shl->startcol = shl->rm.startpos[0].col; |
7 | 3179 else |
36 | 3180 shl->startcol = 0; |
7 | 3181 if (lnum == shl->lnum + shl->rm.endpos[0].lnum |
3182 - shl->rm.startpos[0].lnum) | |
36 | 3183 shl->endcol = shl->rm.endpos[0].col; |
7 | 3184 else |
36 | 3185 shl->endcol = MAXCOL; |
7 | 3186 /* Highlight one character for an empty match. */ |
36 | 3187 if (shl->startcol == shl->endcol) |
7 | 3188 { |
3189 #ifdef FEAT_MBYTE | |
36 | 3190 if (has_mbyte && line[shl->endcol] != NUL) |
474 | 3191 shl->endcol += (*mb_ptr2len)(line + shl->endcol); |
7 | 3192 else |
3193 #endif | |
36 | 3194 ++shl->endcol; |
7 | 3195 } |
36 | 3196 if ((long)shl->startcol < v) /* match at leftcol */ |
7 | 3197 { |
3198 shl->attr_cur = shl->attr; | |
3199 search_attr = shl->attr; | |
3200 } | |
3201 area_highlighting = TRUE; | |
3202 } | |
3203 } | |
1326 | 3204 if (shl != &search_hl && cur != NULL) |
3205 cur = cur->next; | |
7 | 3206 } |
3207 #endif | |
3208 | |
743 | 3209 #ifdef FEAT_SYN_HL |
818 | 3210 /* Cursor line highlighting for 'cursorline'. Not when Visual mode is |
3211 * active, because it's not clear what is selected then. */ | |
3212 if (wp->w_p_cul && lnum == wp->w_cursor.lnum && !VIsual_active) | |
743 | 3213 { |
3214 line_attr = hl_attr(HLF_CUL); | |
3215 area_highlighting = TRUE; | |
3216 } | |
3217 #endif | |
3218 | |
504 | 3219 off = (unsigned)(current_ScreenLine - ScreenLines); |
7 | 3220 col = 0; |
3221 #ifdef FEAT_RIGHTLEFT | |
3222 if (wp->w_p_rl) | |
3223 { | |
3224 /* Rightleft window: process the text in the normal direction, but put | |
3225 * it in current_ScreenLine[] from right to left. Start at the | |
3226 * rightmost column of the window. */ | |
3227 col = W_WIDTH(wp) - 1; | |
3228 off += col; | |
3229 } | |
3230 #endif | |
3231 | |
3232 /* | |
3233 * Repeat for the whole displayed line. | |
3234 */ | |
3235 for (;;) | |
3236 { | |
3237 /* Skip this quickly when working on the text. */ | |
3238 if (draw_state != WL_LINE) | |
3239 { | |
3240 #ifdef FEAT_CMDWIN | |
3241 if (draw_state == WL_CMDLINE - 1 && n_extra == 0) | |
3242 { | |
3243 draw_state = WL_CMDLINE; | |
3244 if (cmdwin_type != 0 && wp == curwin) | |
3245 { | |
3246 /* Draw the cmdline character. */ | |
3247 n_extra = 1; | |
1340 | 3248 c_extra = cmdwin_type; |
7 | 3249 char_attr = hl_attr(HLF_AT); |
3250 } | |
3251 } | |
3252 #endif | |
3253 | |
3254 #ifdef FEAT_FOLDING | |
3255 if (draw_state == WL_FOLD - 1 && n_extra == 0) | |
3256 { | |
3257 draw_state = WL_FOLD; | |
3258 if (wp->w_p_fdc > 0) | |
3259 { | |
3260 /* Draw the 'foldcolumn'. */ | |
3261 fill_foldcolumn(extra, wp, FALSE, lnum); | |
3262 n_extra = wp->w_p_fdc; | |
3263 p_extra = extra; | |
1340 | 3264 p_extra[n_extra] = NUL; |
7 | 3265 c_extra = NUL; |
3266 char_attr = hl_attr(HLF_FC); | |
3267 } | |
3268 } | |
3269 #endif | |
3270 | |
3271 #ifdef FEAT_SIGNS | |
3272 if (draw_state == WL_SIGN - 1 && n_extra == 0) | |
3273 { | |
3274 draw_state = WL_SIGN; | |
3275 /* Show the sign column when there are any signs in this | |
3276 * buffer or when using Netbeans. */ | |
3277 if (draw_signcolumn(wp) | |
3278 # ifdef FEAT_DIFF | |
3279 && filler_todo <= 0 | |
3280 # endif | |
3281 ) | |
3282 { | |
3283 int_u text_sign; | |
3284 # ifdef FEAT_SIGN_ICONS | |
3285 int_u icon_sign; | |
3286 # endif | |
3287 | |
3288 /* Draw two cells with the sign value or blank. */ | |
3289 c_extra = ' '; | |
3290 char_attr = hl_attr(HLF_SC); | |
3291 n_extra = 2; | |
3292 | |
3293 if (row == startrow) | |
3294 { | |
3295 text_sign = buf_getsigntype(wp->w_buffer, lnum, | |
3296 SIGN_TEXT); | |
3297 # ifdef FEAT_SIGN_ICONS | |
3298 icon_sign = buf_getsigntype(wp->w_buffer, lnum, | |
3299 SIGN_ICON); | |
3300 if (gui.in_use && icon_sign != 0) | |
3301 { | |
3302 /* Use the image in this position. */ | |
3303 c_extra = SIGN_BYTE; | |
3304 # ifdef FEAT_NETBEANS_INTG | |
3305 if (buf_signcount(wp->w_buffer, lnum) > 1) | |
3306 c_extra = MULTISIGN_BYTE; | |
3307 # endif | |
3308 char_attr = icon_sign; | |
3309 } | |
3310 else | |
3311 # endif | |
3312 if (text_sign != 0) | |
3313 { | |
3314 p_extra = sign_get_text(text_sign); | |
3315 if (p_extra != NULL) | |
3316 { | |
3317 c_extra = NUL; | |
835 | 3318 n_extra = (int)STRLEN(p_extra); |
7 | 3319 } |
3320 char_attr = sign_get_attr(text_sign, FALSE); | |
3321 } | |
3322 } | |
3323 } | |
3324 } | |
3325 #endif | |
3326 | |
3327 if (draw_state == WL_NR - 1 && n_extra == 0) | |
3328 { | |
3329 draw_state = WL_NR; | |
3330 /* Display the line number. After the first fill with blanks | |
3331 * when the 'n' flag isn't in 'cpo' */ | |
3332 if (wp->w_p_nu | |
3333 && (row == startrow | |
3334 #ifdef FEAT_DIFF | |
3335 + filler_lines | |
3336 #endif | |
3337 || vim_strchr(p_cpo, CPO_NUMCOL) == NULL)) | |
3338 { | |
3339 /* Draw the line number (empty space after wrapping). */ | |
3340 if (row == startrow | |
3341 #ifdef FEAT_DIFF | |
3342 + filler_lines | |
3343 #endif | |
3344 ) | |
3345 { | |
13 | 3346 sprintf((char *)extra, "%*ld ", |
3347 number_width(wp), (long)lnum); | |
7 | 3348 if (wp->w_skipcol > 0) |
3349 for (p_extra = extra; *p_extra == ' '; ++p_extra) | |
3350 *p_extra = '-'; | |
3351 #ifdef FEAT_RIGHTLEFT | |
3352 if (wp->w_p_rl) /* reverse line numbers */ | |
3353 rl_mirror(extra); | |
3354 #endif | |
3355 p_extra = extra; | |
3356 c_extra = NUL; | |
3357 } | |
3358 else | |
3359 c_extra = ' '; | |
13 | 3360 n_extra = number_width(wp) + 1; |
7 | 3361 char_attr = hl_attr(HLF_N); |
743 | 3362 #ifdef FEAT_SYN_HL |
3363 /* When 'cursorline' is set highlight the line number of | |
3364 * the current line differently. */ | |
3365 if (wp->w_p_cul && lnum == wp->w_cursor.lnum) | |
3366 char_attr = hl_combine_attr(hl_attr(HLF_CUL), char_attr); | |
3367 #endif | |
7 | 3368 } |
3369 } | |
3370 | |
3371 #if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF) | |
3372 if (draw_state == WL_SBR - 1 && n_extra == 0) | |
3373 { | |
3374 draw_state = WL_SBR; | |
3375 # ifdef FEAT_DIFF | |
3376 if (filler_todo > 0) | |
3377 { | |
3378 /* Draw "deleted" diff line(s). */ | |
3379 if (char2cells(fill_diff) > 1) | |
3380 c_extra = '-'; | |
3381 else | |
3382 c_extra = fill_diff; | |
3383 # ifdef FEAT_RIGHTLEFT | |
3384 if (wp->w_p_rl) | |
3385 n_extra = col + 1; | |
3386 else | |
3387 # endif | |
3388 n_extra = W_WIDTH(wp) - col; | |
3389 char_attr = hl_attr(HLF_DED); | |
3390 } | |
3391 # endif | |
3392 # ifdef FEAT_LINEBREAK | |
3393 if (*p_sbr != NUL && need_showbreak) | |
3394 { | |
3395 /* Draw 'showbreak' at the start of each broken line. */ | |
3396 p_extra = p_sbr; | |
3397 c_extra = NUL; | |
3398 n_extra = (int)STRLEN(p_sbr); | |
3399 char_attr = hl_attr(HLF_AT); | |
3400 need_showbreak = FALSE; | |
3401 /* Correct end of highlighted area for 'showbreak', | |
3402 * required when 'linebreak' is also set. */ | |
3403 if (tocol == vcol) | |
3404 tocol += n_extra; | |
3405 } | |
3406 # endif | |
3407 } | |
3408 #endif | |
3409 | |
3410 if (draw_state == WL_LINE - 1 && n_extra == 0) | |
3411 { | |
3412 draw_state = WL_LINE; | |
3413 if (saved_n_extra) | |
3414 { | |
3415 /* Continue item from end of wrapped line. */ | |
3416 n_extra = saved_n_extra; | |
3417 c_extra = saved_c_extra; | |
3418 p_extra = saved_p_extra; | |
3419 char_attr = saved_char_attr; | |
3420 } | |
3421 else | |
3422 char_attr = 0; | |
3423 } | |
3424 } | |
3425 | |
3426 /* When still displaying '$' of change command, stop at cursor */ | |
819 | 3427 if (dollar_vcol != 0 && wp == curwin |
3428 && lnum == wp->w_cursor.lnum && vcol >= (long)wp->w_virtcol | |
7 | 3429 #ifdef FEAT_DIFF |
3430 && filler_todo <= 0 | |
3431 #endif | |
3432 ) | |
3433 { | |
3434 SCREEN_LINE(screen_row, W_WINCOL(wp), col, -(int)W_WIDTH(wp), | |
3435 wp->w_p_rl); | |
819 | 3436 /* Pretend we have finished updating the window. Except when |
3437 * 'cursorcolumn' is set. */ | |
3438 #ifdef FEAT_SYN_HL | |
3439 if (wp->w_p_cuc) | |
3440 row = wp->w_cline_row + wp->w_cline_height; | |
3441 else | |
3442 #endif | |
3443 row = wp->w_height; | |
7 | 3444 break; |
3445 } | |
3446 | |
3447 if (draw_state == WL_LINE && area_highlighting) | |
3448 { | |
3449 /* handle Visual or match highlighting in this line */ | |
3450 if (vcol == fromcol | |
3451 #ifdef FEAT_MBYTE | |
3452 || (has_mbyte && vcol + 1 == fromcol && n_extra == 0 | |
3453 && (*mb_ptr2cells)(ptr) > 1) | |
3454 #endif | |
3455 || ((int)vcol_prev == fromcol_prev | |
1814 | 3456 && vcol_prev < vcol /* not at margin */ |
7 | 3457 && vcol < tocol)) |
3458 area_attr = attr; /* start highlighting */ | |
3459 else if (area_attr != 0 | |
3460 && (vcol == tocol | |
3461 || (noinvcur && (colnr_T)vcol == wp->w_virtcol))) | |
3462 area_attr = 0; /* stop highlighting */ | |
3463 | |
3464 #ifdef FEAT_SEARCH_EXTRA | |
3465 if (!n_extra) | |
3466 { | |
3467 /* | |
3468 * Check for start/end of search pattern match. | |
3469 * After end, check for start/end of next match. | |
3470 * When another match, have to check for start again. | |
3471 * Watch out for matching an empty string! | |
1326 | 3472 * Do this for 'search_hl' and the match list (ordered by |
3473 * priority). | |
7 | 3474 */ |
36 | 3475 v = (long)(ptr - line); |
1326 | 3476 cur = wp->w_match_head; |
3477 shl_flag = FALSE; | |
3478 while (cur != NULL || shl_flag == FALSE) | |
3479 { | |
3480 if (shl_flag == FALSE | |
3481 && ((cur != NULL | |
3482 && cur->priority > SEARCH_HL_PRIORITY) | |
3483 || cur == NULL)) | |
3484 { | |
3485 shl = &search_hl; | |
3486 shl_flag = TRUE; | |
3487 } | |
3488 else | |
3489 shl = &cur->hl; | |
7 | 3490 while (shl->rm.regprog != NULL) |
3491 { | |
36 | 3492 if (shl->startcol != MAXCOL |
3493 && v >= (long)shl->startcol | |
3494 && v < (long)shl->endcol) | |
7 | 3495 { |
3496 shl->attr_cur = shl->attr; | |
3497 } | |
36 | 3498 else if (v == (long)shl->endcol) |
7 | 3499 { |
3500 shl->attr_cur = 0; | |
3501 | |
3502 next_search_hl(wp, shl, lnum, (colnr_T)v); | |
3503 | |
3504 /* Need to get the line again, a multi-line regexp | |
3505 * may have made it invalid. */ | |
3506 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
3507 ptr = line + v; | |
3508 | |
3509 if (shl->lnum == lnum) | |
3510 { | |
36 | 3511 shl->startcol = shl->rm.startpos[0].col; |
7 | 3512 if (shl->rm.endpos[0].lnum == 0) |
36 | 3513 shl->endcol = shl->rm.endpos[0].col; |
7 | 3514 else |
36 | 3515 shl->endcol = MAXCOL; |
3516 | |
3517 if (shl->startcol == shl->endcol) | |
7 | 3518 { |
3519 /* highlight empty match, try again after | |
3520 * it */ | |
3521 #ifdef FEAT_MBYTE | |
3522 if (has_mbyte) | |
474 | 3523 shl->endcol += (*mb_ptr2len)(line |
36 | 3524 + shl->endcol); |
7 | 3525 else |
3526 #endif | |
36 | 3527 ++shl->endcol; |
7 | 3528 } |
3529 | |
3530 /* Loop to check if the match starts at the | |
3531 * current position */ | |
3532 continue; | |
3533 } | |
3534 } | |
3535 break; | |
3536 } | |
1326 | 3537 if (shl != &search_hl && cur != NULL) |
3538 cur = cur->next; | |
3539 } | |
3540 | |
3541 /* Use attributes from match with highest priority among | |
3542 * 'search_hl' and the match list. */ | |
3543 search_attr = search_hl.attr_cur; | |
3544 cur = wp->w_match_head; | |
3545 shl_flag = FALSE; | |
3546 while (cur != NULL || shl_flag == FALSE) | |
3547 { | |
3548 if (shl_flag == FALSE | |
3549 && ((cur != NULL | |
3550 && cur->priority > SEARCH_HL_PRIORITY) | |
3551 || cur == NULL)) | |
699 | 3552 { |
1326 | 3553 shl = &search_hl; |
3554 shl_flag = TRUE; | |
699 | 3555 } |
1326 | 3556 else |
3557 shl = &cur->hl; | |
3558 if (shl->attr_cur != 0) | |
3559 search_attr = shl->attr_cur; | |
3560 if (shl != &search_hl && cur != NULL) | |
3561 cur = cur->next; | |
3562 } | |
7 | 3563 } |
3564 #endif | |
3565 | |
3566 #ifdef FEAT_DIFF | |
674 | 3567 if (diff_hlf != (hlf_T)0) |
7 | 3568 { |
1295 | 3569 if (diff_hlf == HLF_CHD && ptr - line >= change_start |
3570 && n_extra == 0) | |
7 | 3571 diff_hlf = HLF_TXD; /* changed text */ |
1295 | 3572 if (diff_hlf == HLF_TXD && ptr - line > change_end |
3573 && n_extra == 0) | |
7 | 3574 diff_hlf = HLF_CHD; /* changed line */ |
674 | 3575 line_attr = hl_attr(diff_hlf); |
3576 } | |
3577 #endif | |
3578 | |
3579 /* Decide which of the highlight attributes to use. */ | |
3580 attr_pri = TRUE; | |
3581 if (area_attr != 0) | |
3582 char_attr = area_attr; | |
3583 else if (search_attr != 0) | |
3584 char_attr = search_attr; | |
3585 #ifdef LINE_ATTR | |
3586 /* Use line_attr when not in the Visual or 'incsearch' area | |
3587 * (area_attr may be 0 when "noinvcur" is set). */ | |
3588 else if (line_attr != 0 && ((fromcol == -10 && tocol == MAXCOL) | |
1842 | 3589 || vcol < fromcol || vcol_prev < fromcol_prev |
3590 || vcol >= tocol)) | |
674 | 3591 char_attr = line_attr; |
3592 #endif | |
3593 else | |
3594 { | |
3595 attr_pri = FALSE; | |
3596 #ifdef FEAT_SYN_HL | |
3597 if (has_syntax) | |
3598 char_attr = syntax_attr; | |
3599 else | |
3600 #endif | |
3601 char_attr = 0; | |
3602 } | |
7 | 3603 } |
3604 | |
3605 /* | |
3606 * Get the next character to put on the screen. | |
3607 */ | |
3608 /* | |
1340 | 3609 * The "p_extra" points to the extra stuff that is inserted to |
3610 * represent special characters (non-printable stuff) and other | |
3611 * things. When all characters are the same, c_extra is used. | |
3612 * "p_extra" must end in a NUL to avoid mb_ptr2len() reads past | |
3613 * "p_extra[n_extra]". | |
7 | 3614 * For the '$' of the 'list' option, n_extra == 1, p_extra == "". |
3615 */ | |
3616 if (n_extra > 0) | |
3617 { | |
3618 if (c_extra != NUL) | |
3619 { | |
3620 c = c_extra; | |
3621 #ifdef FEAT_MBYTE | |
3622 mb_c = c; /* doesn't handle non-utf-8 multi-byte! */ | |
3623 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
3624 { | |
3625 mb_utf8 = TRUE; | |
714 | 3626 u8cc[0] = 0; |
819 | 3627 c = 0xc0; |
7 | 3628 } |
3629 else | |
3630 mb_utf8 = FALSE; | |
3631 #endif | |
3632 } | |
3633 else | |
3634 { | |
3635 c = *p_extra; | |
3636 #ifdef FEAT_MBYTE | |
3637 if (has_mbyte) | |
3638 { | |
3639 mb_c = c; | |
3640 if (enc_utf8) | |
3641 { | |
3642 /* If the UTF-8 character is more than one byte: | |
3643 * Decode it into "mb_c". */ | |
474 | 3644 mb_l = (*mb_ptr2len)(p_extra); |
7 | 3645 mb_utf8 = FALSE; |
3646 if (mb_l > n_extra) | |
3647 mb_l = 1; | |
3648 else if (mb_l > 1) | |
3649 { | |
714 | 3650 mb_c = utfc_ptr2char(p_extra, u8cc); |
7 | 3651 mb_utf8 = TRUE; |
819 | 3652 c = 0xc0; |
7 | 3653 } |
3654 } | |
3655 else | |
3656 { | |
3657 /* if this is a DBCS character, put it in "mb_c" */ | |
3658 mb_l = MB_BYTE2LEN(c); | |
3659 if (mb_l >= n_extra) | |
3660 mb_l = 1; | |
3661 else if (mb_l > 1) | |
3662 mb_c = (c << 8) + p_extra[1]; | |
3663 } | |
504 | 3664 if (mb_l == 0) /* at the NUL at end-of-line */ |
3665 mb_l = 1; | |
3666 | |
7 | 3667 /* If a double-width char doesn't fit display a '>' in the |
3668 * last column. */ | |
504 | 3669 if (( |
7 | 3670 # ifdef FEAT_RIGHTLEFT |
3671 wp->w_p_rl ? (col <= 0) : | |
3672 # endif | |
504 | 3673 (col >= W_WIDTH(wp) - 1)) |
7 | 3674 && (*mb_char2cells)(mb_c) == 2) |
3675 { | |
3676 c = '>'; | |
3677 mb_c = c; | |
3678 mb_l = 1; | |
3679 mb_utf8 = FALSE; | |
3680 multi_attr = hl_attr(HLF_AT); | |
3681 /* put the pointer back to output the double-width | |
3682 * character at the start of the next line. */ | |
3683 ++n_extra; | |
3684 --p_extra; | |
3685 } | |
3686 else | |
3687 { | |
3688 n_extra -= mb_l - 1; | |
3689 p_extra += mb_l - 1; | |
3690 } | |
3691 } | |
3692 #endif | |
3693 ++p_extra; | |
3694 } | |
3695 --n_extra; | |
3696 } | |
3697 else | |
3698 { | |
3699 /* | |
3700 * Get a character from the line itself. | |
3701 */ | |
3702 c = *ptr; | |
3703 #ifdef FEAT_MBYTE | |
3704 if (has_mbyte) | |
3705 { | |
3706 mb_c = c; | |
3707 if (enc_utf8) | |
3708 { | |
3709 /* If the UTF-8 character is more than one byte: Decode it | |
3710 * into "mb_c". */ | |
474 | 3711 mb_l = (*mb_ptr2len)(ptr); |
7 | 3712 mb_utf8 = FALSE; |
3713 if (mb_l > 1) | |
3714 { | |
714 | 3715 mb_c = utfc_ptr2char(ptr, u8cc); |
7 | 3716 /* Overlong encoded ASCII or ASCII with composing char |
3717 * is displayed normally, except a NUL. */ | |
3718 if (mb_c < 0x80) | |
3719 c = mb_c; | |
3720 mb_utf8 = TRUE; | |
507 | 3721 |
3722 /* At start of the line we can have a composing char. | |
3723 * Draw it as a space with a composing char. */ | |
3724 if (utf_iscomposing(mb_c)) | |
3725 { | |
1326 | 3726 int i; |
3727 | |
714 | 3728 for (i = Screen_mco - 1; i > 0; --i) |
3729 u8cc[i] = u8cc[i - 1]; | |
3730 u8cc[0] = mb_c; | |
507 | 3731 mb_c = ' '; |
3732 } | |
7 | 3733 } |
3734 | |
3735 if ((mb_l == 1 && c >= 0x80) | |
3736 || (mb_l >= 1 && mb_c == 0) | |
3737 || (mb_l > 1 && (!vim_isprintc(mb_c) | |
1401 | 3738 # ifdef UNICODE16 |
3739 || mb_c >= 0x10000 | |
3740 # endif | |
3741 ))) | |
7 | 3742 { |
3743 /* | |
3744 * Illegal UTF-8 byte: display as <xx>. | |
3745 * Non-BMP character : display as ? or fullwidth ?. | |
3746 */ | |
1401 | 3747 # ifdef UNICODE16 |
7 | 3748 if (mb_c < 0x10000) |
1401 | 3749 # endif |
7 | 3750 { |
3751 transchar_hex(extra, mb_c); | |
714 | 3752 # ifdef FEAT_RIGHTLEFT |
7 | 3753 if (wp->w_p_rl) /* reverse */ |
3754 rl_mirror(extra); | |
714 | 3755 # endif |
7 | 3756 } |
1401 | 3757 # ifdef UNICODE16 |
7 | 3758 else if (utf_char2cells(mb_c) != 2) |
3759 STRCPY(extra, "?"); | |
3760 else | |
3761 /* 0xff1f in UTF-8: full-width '?' */ | |
3762 STRCPY(extra, "\357\274\237"); | |
1401 | 3763 # endif |
7 | 3764 |
3765 p_extra = extra; | |
3766 c = *p_extra; | |
3767 mb_c = mb_ptr2char_adv(&p_extra); | |
3768 mb_utf8 = (c >= 0x80); | |
3769 n_extra = (int)STRLEN(p_extra); | |
3770 c_extra = NUL; | |
3771 if (area_attr == 0 && search_attr == 0) | |
3772 { | |
3773 n_attr = n_extra + 1; | |
3774 extra_attr = hl_attr(HLF_8); | |
3775 saved_attr2 = char_attr; /* save current attr */ | |
3776 } | |
3777 } | |
3778 else if (mb_l == 0) /* at the NUL at end-of-line */ | |
3779 mb_l = 1; | |
3780 #ifdef FEAT_ARABIC | |
3781 else if (p_arshape && !p_tbidi && ARABIC_CHAR(mb_c)) | |
3782 { | |
3783 /* Do Arabic shaping. */ | |
714 | 3784 int pc, pc1, nc; |
3785 int pcc[MAX_MCO]; | |
7 | 3786 |
3787 /* The idea of what is the previous and next | |
3788 * character depends on 'rightleft'. */ | |
3789 if (wp->w_p_rl) | |
3790 { | |
3791 pc = prev_c; | |
3792 pc1 = prev_c1; | |
3793 nc = utf_ptr2char(ptr + mb_l); | |
714 | 3794 prev_c1 = u8cc[0]; |
7 | 3795 } |
3796 else | |
3797 { | |
714 | 3798 pc = utfc_ptr2char(ptr + mb_l, pcc); |
7 | 3799 nc = prev_c; |
714 | 3800 pc1 = pcc[0]; |
7 | 3801 } |
3802 prev_c = mb_c; | |
3803 | |
714 | 3804 mb_c = arabic_shape(mb_c, &c, &u8cc[0], pc, pc1, nc); |
7 | 3805 } |
3806 else | |
3807 prev_c = mb_c; | |
3808 #endif | |
3809 } | |
3810 else /* enc_dbcs */ | |
3811 { | |
3812 mb_l = MB_BYTE2LEN(c); | |
3813 if (mb_l == 0) /* at the NUL at end-of-line */ | |
3814 mb_l = 1; | |
3815 else if (mb_l > 1) | |
3816 { | |
3817 /* We assume a second byte below 32 is illegal. | |
3818 * Hopefully this is OK for all double-byte encodings! | |
3819 */ | |
3820 if (ptr[1] >= 32) | |
3821 mb_c = (c << 8) + ptr[1]; | |
3822 else | |
3823 { | |
3824 if (ptr[1] == NUL) | |
3825 { | |
3826 /* head byte at end of line */ | |
3827 mb_l = 1; | |
3828 transchar_nonprint(extra, c); | |
3829 } | |
3830 else | |
3831 { | |
3832 /* illegal tail byte */ | |
3833 mb_l = 2; | |
3834 STRCPY(extra, "XX"); | |
3835 } | |
3836 p_extra = extra; | |
3837 n_extra = (int)STRLEN(extra) - 1; | |
3838 c_extra = NUL; | |
3839 c = *p_extra++; | |
3840 if (area_attr == 0 && search_attr == 0) | |
3841 { | |
3842 n_attr = n_extra + 1; | |
3843 extra_attr = hl_attr(HLF_8); | |
3844 saved_attr2 = char_attr; /* save current attr */ | |
3845 } | |
3846 mb_c = c; | |
3847 } | |
3848 } | |
3849 } | |
3850 /* If a double-width char doesn't fit display a '>' in the | |
3851 * last column; the character is displayed at the start of the | |
3852 * next line. */ | |
3853 if (( | |
3854 # ifdef FEAT_RIGHTLEFT | |
3855 wp->w_p_rl ? (col <= 0) : | |
3856 # endif | |
3857 (col >= W_WIDTH(wp) - 1)) | |
3858 && (*mb_char2cells)(mb_c) == 2) | |
3859 { | |
3860 c = '>'; | |
3861 mb_c = c; | |
3862 mb_utf8 = FALSE; | |
3863 mb_l = 1; | |
3864 multi_attr = hl_attr(HLF_AT); | |
3865 /* Put pointer back so that the character will be | |
3866 * displayed at the start of the next line. */ | |
3867 --ptr; | |
3868 } | |
3869 else if (*ptr != NUL) | |
3870 ptr += mb_l - 1; | |
3871 | |
3872 /* If a double-width char doesn't fit at the left side display | |
3873 * a '<' in the first column. */ | |
3874 if (n_skip > 0 && mb_l > 1) | |
3875 { | |
3876 n_extra = 1; | |
1340 | 3877 c_extra = '<'; |
7 | 3878 c = ' '; |
3879 if (area_attr == 0 && search_attr == 0) | |
3880 { | |
3881 n_attr = n_extra + 1; | |
3882 extra_attr = hl_attr(HLF_AT); | |
3883 saved_attr2 = char_attr; /* save current attr */ | |
3884 } | |
3885 mb_c = c; | |
3886 mb_utf8 = FALSE; | |
3887 mb_l = 1; | |
3888 } | |
3889 | |
3890 } | |
3891 #endif | |
3892 ++ptr; | |
3893 | |
12 | 3894 /* 'list' : change char 160 to lcs_nbsp. */ |
819 | 3895 if (wp->w_p_list && (c == 160 |
3896 #ifdef FEAT_MBYTE | |
3897 || (mb_utf8 && mb_c == 160) | |
3898 #endif | |
3899 ) && lcs_nbsp) | |
12 | 3900 { |
3901 c = lcs_nbsp; | |
3902 if (area_attr == 0 && search_attr == 0) | |
3903 { | |
3904 n_attr = 1; | |
3905 extra_attr = hl_attr(HLF_8); | |
3906 saved_attr2 = char_attr; /* save current attr */ | |
3907 } | |
3908 #ifdef FEAT_MBYTE | |
3909 mb_c = c; | |
3910 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
3911 { | |
3912 mb_utf8 = TRUE; | |
714 | 3913 u8cc[0] = 0; |
819 | 3914 c = 0xc0; |
12 | 3915 } |
3916 else | |
3917 mb_utf8 = FALSE; | |
3918 #endif | |
3919 } | |
3920 | |
7 | 3921 if (extra_check) |
3922 { | |
743 | 3923 #ifdef FEAT_SPELL |
221 | 3924 int can_spell = TRUE; |
743 | 3925 #endif |
3926 | |
3927 #ifdef FEAT_SYN_HL | |
7 | 3928 /* Get syntax attribute, unless still at the start of the line |
3929 * (double-wide char that doesn't fit). */ | |
221 | 3930 v = (long)(ptr - line); |
3931 if (has_syntax && v > 0) | |
7 | 3932 { |
3933 /* Get the syntax attribute for the character. If there | |
3934 * is an error, disable syntax highlighting. */ | |
3935 save_did_emsg = did_emsg; | |
3936 did_emsg = FALSE; | |
3937 | |
221 | 3938 syntax_attr = get_syntax_attr((colnr_T)v - 1, |
743 | 3939 # ifdef FEAT_SPELL |
3940 has_spell ? &can_spell : | |
3941 # endif | |
1504 | 3942 NULL, FALSE); |
7 | 3943 |
3944 if (did_emsg) | |
482 | 3945 { |
3946 wp->w_buffer->b_syn_error = TRUE; | |
3947 has_syntax = FALSE; | |
3948 } | |
7 | 3949 else |
3950 did_emsg = save_did_emsg; | |
3951 | |
3952 /* Need to get the line again, a multi-line regexp may | |
3953 * have made it invalid. */ | |
3954 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
3955 ptr = line + v; | |
3956 | |
674 | 3957 if (!attr_pri) |
7 | 3958 char_attr = syntax_attr; |
301 | 3959 else |
303 | 3960 char_attr = hl_combine_attr(syntax_attr, char_attr); |
7 | 3961 } |
743 | 3962 #endif |
3963 | |
3964 #ifdef FEAT_SPELL | |
301 | 3965 /* Check spelling (unless at the end of the line). |
319 | 3966 * Only do this when there is no syntax highlighting, the |
3967 * @Spell cluster is not used or the current syntax item | |
3968 * contains the @Spell cluster. */ | |
348 | 3969 if (has_spell && v >= word_end && v > cur_checked_col) |
221 | 3970 { |
230 | 3971 spell_attr = 0; |
743 | 3972 # ifdef FEAT_SYN_HL |
674 | 3973 if (!attr_pri) |
230 | 3974 char_attr = syntax_attr; |
743 | 3975 # endif |
3976 if (c != 0 && ( | |
3977 # ifdef FEAT_SYN_HL | |
3978 !has_syntax || | |
3979 # endif | |
3980 can_spell)) | |
221 | 3981 { |
348 | 3982 char_u *prev_ptr, *p; |
3983 int len; | |
534 | 3984 hlf_T spell_hlf = HLF_COUNT; |
221 | 3985 # ifdef FEAT_MBYTE |
336 | 3986 if (has_mbyte) |
3987 { | |
3988 prev_ptr = ptr - mb_l; | |
3989 v -= mb_l - 1; | |
3990 } | |
3991 else | |
221 | 3992 # endif |
336 | 3993 prev_ptr = ptr - 1; |
348 | 3994 |
3995 /* Use nextline[] if possible, it has the start of the | |
3996 * next line concatenated. */ | |
3997 if ((prev_ptr - line) - nextlinecol >= 0) | |
3998 p = nextline + (prev_ptr - line) - nextlinecol; | |
3999 else | |
4000 p = prev_ptr; | |
835 | 4001 cap_col -= (int)(prev_ptr - line); |
625 | 4002 len = spell_check(wp, p, &spell_hlf, &cap_col, |
4003 nochange); | |
348 | 4004 word_end = v + len; |
301 | 4005 |
4006 /* In Insert mode only highlight a word that | |
4007 * doesn't touch the cursor. */ | |
534 | 4008 if (spell_hlf != HLF_COUNT |
301 | 4009 && (State & INSERT) != 0 |
4010 && wp->w_cursor.lnum == lnum | |
4011 && wp->w_cursor.col >= | |
4012 (colnr_T)(prev_ptr - line) | |
4013 && wp->w_cursor.col < (colnr_T)word_end) | |
221 | 4014 { |
534 | 4015 spell_hlf = HLF_COUNT; |
301 | 4016 spell_redraw_lnum = lnum; |
221 | 4017 } |
348 | 4018 |
534 | 4019 if (spell_hlf == HLF_COUNT && p != prev_ptr |
348 | 4020 && (p - nextline) + len > nextline_idx) |
4021 { | |
4022 /* Remember that the good word continues at the | |
4023 * start of the next line. */ | |
4024 checked_lnum = lnum + 1; | |
835 | 4025 checked_col = (int)((p - nextline) + len - nextline_idx); |
348 | 4026 } |
386 | 4027 |
534 | 4028 /* Turn index into actual attributes. */ |
4029 if (spell_hlf != HLF_COUNT) | |
4030 spell_attr = highlight_attr[spell_hlf]; | |
4031 | |
386 | 4032 if (cap_col > 0) |
4033 { | |
4034 if (p != prev_ptr | |
4035 && (p - nextline) + cap_col >= nextline_idx) | |
4036 { | |
4037 /* Remember that the word in the next line | |
4038 * must start with a capital. */ | |
4039 capcol_lnum = lnum + 1; | |
835 | 4040 cap_col = (int)((p - nextline) + cap_col |
4041 - nextline_idx); | |
386 | 4042 } |
4043 else | |
4044 /* Compute the actual column. */ | |
835 | 4045 cap_col += (int)(prev_ptr - line); |
386 | 4046 } |
221 | 4047 } |
4048 } | |
4049 if (spell_attr != 0) | |
348 | 4050 { |
674 | 4051 if (!attr_pri) |
348 | 4052 char_attr = hl_combine_attr(char_attr, spell_attr); |
4053 else | |
4054 char_attr = hl_combine_attr(spell_attr, char_attr); | |
4055 } | |
7 | 4056 #endif |
4057 #ifdef FEAT_LINEBREAK | |
4058 /* | |
221 | 4059 * Found last space before word: check for line break. |
7 | 4060 */ |
4061 if (wp->w_p_lbr && vim_isbreak(c) && !vim_isbreak(*ptr) | |
819 | 4062 && !wp->w_p_list) |
7 | 4063 { |
4064 n_extra = win_lbr_chartabsize(wp, ptr - ( | |
4065 # ifdef FEAT_MBYTE | |
4066 has_mbyte ? mb_l : | |
4067 # endif | |
4068 1), (colnr_T)vcol, NULL) - 1; | |
4069 c_extra = ' '; | |
4070 if (vim_iswhite(c)) | |
4071 c = ' '; | |
4072 } | |
4073 #endif | |
4074 | |
4075 if (trailcol != MAXCOL && ptr > line + trailcol && c == ' ') | |
4076 { | |
4077 c = lcs_trail; | |
674 | 4078 if (!attr_pri) |
7 | 4079 { |
4080 n_attr = 1; | |
4081 extra_attr = hl_attr(HLF_8); | |
4082 saved_attr2 = char_attr; /* save current attr */ | |
4083 } | |
4084 #ifdef FEAT_MBYTE | |
4085 mb_c = c; | |
4086 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4087 { | |
4088 mb_utf8 = TRUE; | |
714 | 4089 u8cc[0] = 0; |
819 | 4090 c = 0xc0; |
7 | 4091 } |
4092 else | |
4093 mb_utf8 = FALSE; | |
4094 #endif | |
4095 } | |
4096 } | |
4097 | |
4098 /* | |
4099 * Handling of non-printable characters. | |
4100 */ | |
819 | 4101 if (!(chartab[c & 0xff] & CT_PRINT_CHAR)) |
7 | 4102 { |
4103 /* | |
4104 * when getting a character from the file, we may have to | |
4105 * turn it into something else on the way to putting it | |
4106 * into "ScreenLines". | |
4107 */ | |
4108 if (c == TAB && (!wp->w_p_list || lcs_tab1)) | |
4109 { | |
4110 /* tab amount depends on current column */ | |
4111 n_extra = (int)wp->w_buffer->b_p_ts | |
4112 - vcol % (int)wp->w_buffer->b_p_ts - 1; | |
4113 #ifdef FEAT_MBYTE | |
4114 mb_utf8 = FALSE; /* don't draw as UTF-8 */ | |
4115 #endif | |
4116 if (wp->w_p_list) | |
4117 { | |
4118 c = lcs_tab1; | |
4119 c_extra = lcs_tab2; | |
4120 n_attr = n_extra + 1; | |
4121 extra_attr = hl_attr(HLF_8); | |
4122 saved_attr2 = char_attr; /* save current attr */ | |
4123 #ifdef FEAT_MBYTE | |
4124 mb_c = c; | |
4125 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4126 { | |
4127 mb_utf8 = TRUE; | |
714 | 4128 u8cc[0] = 0; |
819 | 4129 c = 0xc0; |
7 | 4130 } |
4131 #endif | |
4132 } | |
4133 else | |
4134 { | |
4135 c_extra = ' '; | |
4136 c = ' '; | |
4137 } | |
4138 } | |
36 | 4139 else if (c == NUL |
4140 && ((wp->w_p_list && lcs_eol > 0) | |
4141 || ((fromcol >= 0 || fromcol_prev >= 0) | |
4142 && tocol > vcol | |
39 | 4143 #ifdef FEAT_VISUAL |
36 | 4144 && VIsual_mode != Ctrl_V |
39 | 4145 #endif |
36 | 4146 && ( |
4147 # ifdef FEAT_RIGHTLEFT | |
4148 wp->w_p_rl ? (col >= 0) : | |
4149 # endif | |
4150 (col < W_WIDTH(wp))) | |
4151 && !(noinvcur | |
1850 | 4152 && lnum == wp->w_cursor.lnum |
36 | 4153 && (colnr_T)vcol == wp->w_virtcol))) |
4154 && lcs_eol_one >= 0) | |
7 | 4155 { |
36 | 4156 /* Display a '$' after the line or highlight an extra |
4157 * character if the line break is included. */ | |
7 | 4158 #if defined(FEAT_DIFF) || defined(LINE_ATTR) |
4159 /* For a diff line the highlighting continues after the | |
4160 * "$". */ | |
4161 if ( | |
4162 # ifdef FEAT_DIFF | |
534 | 4163 diff_hlf == (hlf_T)0 |
7 | 4164 # ifdef LINE_ATTR |
4165 && | |
4166 # endif | |
4167 # endif | |
4168 # ifdef LINE_ATTR | |
4169 line_attr == 0 | |
4170 # endif | |
4171 ) | |
4172 #endif | |
4173 { | |
4174 #ifdef FEAT_VIRTUALEDIT | |
4175 /* In virtualedit, visual selections may extend | |
4176 * beyond end of line. */ | |
4177 if (area_highlighting && virtual_active() | |
4178 && tocol != MAXCOL && vcol < tocol) | |
4179 n_extra = 0; | |
4180 else | |
4181 #endif | |
4182 { | |
4183 p_extra = at_end_str; | |
4184 n_extra = 1; | |
4185 c_extra = NUL; | |
4186 } | |
4187 } | |
36 | 4188 if (wp->w_p_list) |
4189 c = lcs_eol; | |
4190 else | |
4191 c = ' '; | |
7 | 4192 lcs_eol_one = -1; |
4193 --ptr; /* put it back at the NUL */ | |
674 | 4194 if (!attr_pri) |
7 | 4195 { |
4196 extra_attr = hl_attr(HLF_AT); | |
4197 n_attr = 1; | |
4198 } | |
4199 #ifdef FEAT_MBYTE | |
4200 mb_c = c; | |
4201 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4202 { | |
4203 mb_utf8 = TRUE; | |
714 | 4204 u8cc[0] = 0; |
819 | 4205 c = 0xc0; |
7 | 4206 } |
4207 else | |
4208 mb_utf8 = FALSE; /* don't draw as UTF-8 */ | |
4209 #endif | |
4210 } | |
4211 else if (c != NUL) | |
4212 { | |
4213 p_extra = transchar(c); | |
4214 #ifdef FEAT_RIGHTLEFT | |
4215 if ((dy_flags & DY_UHEX) && wp->w_p_rl) | |
4216 rl_mirror(p_extra); /* reverse "<12>" */ | |
4217 #endif | |
4218 n_extra = byte2cells(c) - 1; | |
4219 c_extra = NUL; | |
4220 c = *p_extra++; | |
674 | 4221 if (!attr_pri) |
7 | 4222 { |
4223 n_attr = n_extra + 1; | |
4224 extra_attr = hl_attr(HLF_8); | |
4225 saved_attr2 = char_attr; /* save current attr */ | |
4226 } | |
4227 #ifdef FEAT_MBYTE | |
4228 mb_utf8 = FALSE; /* don't draw as UTF-8 */ | |
4229 #endif | |
4230 } | |
4231 #ifdef FEAT_VIRTUALEDIT | |
4232 else if (VIsual_active | |
4233 && (VIsual_mode == Ctrl_V | |
4234 || VIsual_mode == 'v') | |
4235 && virtual_active() | |
4236 && tocol != MAXCOL | |
4237 && vcol < tocol | |
4238 && ( | |
4239 # ifdef FEAT_RIGHTLEFT | |
4240 wp->w_p_rl ? (col >= 0) : | |
4241 # endif | |
4242 (col < W_WIDTH(wp)))) | |
4243 { | |
4244 c = ' '; | |
4245 --ptr; /* put it back at the NUL */ | |
4246 } | |
4247 #endif | |
910 | 4248 #if defined(LINE_ATTR) |
7 | 4249 else if (( |
4250 # ifdef FEAT_DIFF | |
910 | 4251 diff_hlf != (hlf_T)0 || |
7 | 4252 # endif |
4253 line_attr != 0 | |
4254 ) && ( | |
4255 # ifdef FEAT_RIGHTLEFT | |
4256 wp->w_p_rl ? (col >= 0) : | |
4257 # endif | |
4258 (col < W_WIDTH(wp)))) | |
4259 { | |
4260 /* Highlight until the right side of the window */ | |
4261 c = ' '; | |
4262 --ptr; /* put it back at the NUL */ | |
867 | 4263 |
4264 /* Remember we do the char for line highlighting. */ | |
4265 ++did_line_attr; | |
4266 | |
4267 /* don't do search HL for the rest of the line */ | |
4268 if (line_attr != 0 && char_attr == search_attr && col > 0) | |
4269 char_attr = line_attr; | |
7 | 4270 # ifdef FEAT_DIFF |
4271 if (diff_hlf == HLF_TXD) | |
4272 { | |
4273 diff_hlf = HLF_CHD; | |
4274 if (attr == 0 || char_attr != attr) | |
4275 char_attr = hl_attr(diff_hlf); | |
4276 } | |
4277 # endif | |
4278 } | |
4279 #endif | |
4280 } | |
4281 } | |
4282 | |
4283 /* Don't override visual selection highlighting. */ | |
4284 if (n_attr > 0 | |
4285 && draw_state == WL_LINE | |
674 | 4286 && !attr_pri) |
7 | 4287 char_attr = extra_attr; |
4288 | |
42 | 4289 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) |
7 | 4290 /* XIM don't send preedit_start and preedit_end, but they send |
4291 * preedit_changed and commit. Thus Vim can't set "im_is_active", use | |
4292 * im_is_preediting() here. */ | |
4293 if (xic != NULL | |
1850 | 4294 && lnum == wp->w_cursor.lnum |
7 | 4295 && (State & INSERT) |
4296 && !p_imdisable | |
4297 && im_is_preediting() | |
4298 && draw_state == WL_LINE) | |
4299 { | |
4300 colnr_T tcol; | |
4301 | |
4302 if (preedit_end_col == MAXCOL) | |
1850 | 4303 getvcol(curwin, &(wp->w_cursor), &tcol, NULL, NULL); |
7 | 4304 else |
4305 tcol = preedit_end_col; | |
4306 if ((long)preedit_start_col <= vcol && vcol < (long)tcol) | |
4307 { | |
4308 if (feedback_old_attr < 0) | |
4309 { | |
4310 feedback_col = 0; | |
4311 feedback_old_attr = char_attr; | |
4312 } | |
4313 char_attr = im_get_feedback_attr(feedback_col); | |
4314 if (char_attr < 0) | |
4315 char_attr = feedback_old_attr; | |
4316 feedback_col++; | |
4317 } | |
4318 else if (feedback_old_attr >= 0) | |
4319 { | |
4320 char_attr = feedback_old_attr; | |
4321 feedback_old_attr = -1; | |
4322 feedback_col = 0; | |
4323 } | |
4324 } | |
4325 #endif | |
4326 /* | |
4327 * Handle the case where we are in column 0 but not on the first | |
4328 * character of the line and the user wants us to show us a | |
4329 * special character (via 'listchars' option "precedes:<char>". | |
4330 */ | |
4331 if (lcs_prec_todo != NUL | |
4332 && (wp->w_p_wrap ? wp->w_skipcol > 0 : wp->w_leftcol > 0) | |
4333 #ifdef FEAT_DIFF | |
4334 && filler_todo <= 0 | |
4335 #endif | |
4336 && draw_state > WL_NR | |
4337 && c != NUL) | |
4338 { | |
4339 c = lcs_prec; | |
4340 lcs_prec_todo = NUL; | |
4341 #ifdef FEAT_MBYTE | |
4342 mb_c = c; | |
4343 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4344 { | |
4345 mb_utf8 = TRUE; | |
714 | 4346 u8cc[0] = 0; |
819 | 4347 c = 0xc0; |
7 | 4348 } |
4349 else | |
4350 mb_utf8 = FALSE; /* don't draw as UTF-8 */ | |
4351 #endif | |
674 | 4352 if (!attr_pri) |
7 | 4353 { |
4354 saved_attr3 = char_attr; /* save current attr */ | |
4355 char_attr = hl_attr(HLF_AT); /* later copied to char_attr */ | |
4356 n_attr3 = 1; | |
4357 } | |
4358 } | |
4359 | |
4360 /* | |
867 | 4361 * At end of the text line or just after the last character. |
7 | 4362 */ |
867 | 4363 if (c == NUL |
910 | 4364 #if defined(LINE_ATTR) |
867 | 4365 || did_line_attr == 1 |
4366 #endif | |
4367 ) | |
4368 { | |
4369 #ifdef FEAT_SEARCH_EXTRA | |
4370 long prevcol = (long)(ptr - line) - (c == NUL); | |
1437 | 4371 |
4372 /* we're not really at that column when skipping some text */ | |
1439 | 4373 if ((long)(wp->w_p_wrap ? wp->w_skipcol : wp->w_leftcol) > prevcol) |
1437 | 4374 ++prevcol; |
867 | 4375 #endif |
4376 | |
7 | 4377 /* invert at least one char, used for Visual and empty line or |
4378 * highlight match at end of line. If it's beyond the last | |
4379 * char on the screen, just overwrite that one (tricky!) Not | |
4380 * needed when a '$' was displayed for 'list'. */ | |
1326 | 4381 #ifdef FEAT_SEARCH_EXTRA |
4382 prevcol_hl_flag = FALSE; | |
4383 if (prevcol == (long)search_hl.startcol) | |
4384 prevcol_hl_flag = TRUE; | |
4385 else | |
4386 { | |
4387 cur = wp->w_match_head; | |
4388 while (cur != NULL) | |
4389 { | |
4390 if (prevcol == (long)cur->hl.startcol) | |
4391 { | |
4392 prevcol_hl_flag = TRUE; | |
4393 break; | |
4394 } | |
4395 cur = cur->next; | |
4396 } | |
4397 } | |
4398 #endif | |
7 | 4399 if (lcs_eol == lcs_eol_one |
1850 | 4400 && ((area_attr != 0 && vcol == fromcol |
4401 #ifdef FEAT_VISUAL | |
4402 && (VIsual_mode != Ctrl_V | |
4403 || lnum == VIsual.lnum | |
4404 || lnum == curwin->w_cursor.lnum) | |
4405 #endif | |
4406 && c == NUL) | |
7 | 4407 #ifdef FEAT_SEARCH_EXTRA |
4408 /* highlight 'hlsearch' match at end of line */ | |
1326 | 4409 || (prevcol_hl_flag == TRUE |
910 | 4410 # if defined(LINE_ATTR) |
867 | 4411 && did_line_attr <= 1 |
4412 # endif | |
4413 ) | |
7 | 4414 #endif |
4415 )) | |
4416 { | |
4417 int n = 0; | |
4418 | |
4419 #ifdef FEAT_RIGHTLEFT | |
4420 if (wp->w_p_rl) | |
4421 { | |
4422 if (col < 0) | |
4423 n = 1; | |
4424 } | |
4425 else | |
4426 #endif | |
4427 { | |
4428 if (col >= W_WIDTH(wp)) | |
4429 n = -1; | |
4430 } | |
4431 if (n != 0) | |
4432 { | |
4433 /* At the window boundary, highlight the last character | |
4434 * instead (better than nothing). */ | |
4435 off += n; | |
4436 col += n; | |
4437 } | |
4438 else | |
4439 { | |
4440 /* Add a blank character to highlight. */ | |
4441 ScreenLines[off] = ' '; | |
4442 #ifdef FEAT_MBYTE | |
4443 if (enc_utf8) | |
4444 ScreenLinesUC[off] = 0; | |
4445 #endif | |
4446 } | |
4447 #ifdef FEAT_SEARCH_EXTRA | |
4448 if (area_attr == 0) | |
4449 { | |
1326 | 4450 /* Use attributes from match with highest priority among |
4451 * 'search_hl' and the match list. */ | |
4452 char_attr = search_hl.attr; | |
4453 cur = wp->w_match_head; | |
4454 shl_flag = FALSE; | |
4455 while (cur != NULL || shl_flag == FALSE) | |
699 | 4456 { |
1326 | 4457 if (shl_flag == FALSE |
4458 && ((cur != NULL | |
4459 && cur->priority > SEARCH_HL_PRIORITY) | |
4460 || cur == NULL)) | |
699 | 4461 { |
1326 | 4462 shl = &search_hl; |
4463 shl_flag = TRUE; | |
699 | 4464 } |
1326 | 4465 else |
4466 shl = &cur->hl; | |
4467 if ((ptr - line) - 1 == (long)shl->startcol) | |
4468 char_attr = shl->attr; | |
4469 if (shl != &search_hl && cur != NULL) | |
4470 cur = cur->next; | |
699 | 4471 } |
7 | 4472 } |
4473 #endif | |
4474 ScreenAttrs[off] = char_attr; | |
4475 #ifdef FEAT_RIGHTLEFT | |
4476 if (wp->w_p_rl) | |
1437 | 4477 { |
7 | 4478 --col; |
1437 | 4479 --off; |
4480 } | |
7 | 4481 else |
4482 #endif | |
1437 | 4483 { |
7 | 4484 ++col; |
1437 | 4485 ++off; |
4486 } | |
743 | 4487 ++vcol; |
1437 | 4488 #ifdef FEAT_SYN_HL |
4489 eol_hl_off = 1; | |
4490 #endif | |
743 | 4491 } |
867 | 4492 } |
4493 | |
4494 /* | |
4495 * At end of the text line. | |
4496 */ | |
4497 if (c == NUL) | |
4498 { | |
743 | 4499 #ifdef FEAT_SYN_HL |
1850 | 4500 if (eol_hl_off > 0 && vcol - eol_hl_off == (long)wp->w_virtcol |
4501 && lnum == wp->w_cursor.lnum) | |
1437 | 4502 { |
4503 /* highlight last char after line */ | |
4504 --col; | |
4505 --off; | |
4506 --vcol; | |
4507 } | |
4508 | |
743 | 4509 /* Highlight 'cursorcolumn' past end of the line. */ |
758 | 4510 if (wp->w_p_wrap) |
4511 v = wp->w_skipcol; | |
4512 else | |
4513 v = wp->w_leftcol; | |
820 | 4514 /* check if line ends before left margin */ |
4515 if (vcol < v + col - win_col_off(wp)) | |
4516 | |
4517 vcol = v + col - win_col_off(wp); | |
743 | 4518 if (wp->w_p_cuc |
1437 | 4519 && (int)wp->w_virtcol >= vcol - eol_hl_off |
819 | 4520 && (int)wp->w_virtcol < W_WIDTH(wp) * (row - startrow + 1) |
4521 + v | |
743 | 4522 && lnum != wp->w_cursor.lnum |
4523 # ifdef FEAT_RIGHTLEFT | |
4524 && !wp->w_p_rl | |
4525 # endif | |
4526 ) | |
4527 { | |
4528 while (col < W_WIDTH(wp)) | |
4529 { | |
4530 ScreenLines[off] = ' '; | |
4531 #ifdef FEAT_MBYTE | |
4532 if (enc_utf8) | |
4533 ScreenLinesUC[off] = 0; | |
4534 #endif | |
4535 ++col; | |
777 | 4536 if (vcol == (long)wp->w_virtcol) |
743 | 4537 { |
4538 ScreenAttrs[off] = hl_attr(HLF_CUC); | |
4539 break; | |
4540 } | |
4541 ScreenAttrs[off++] = 0; | |
4542 ++vcol; | |
4543 } | |
4544 } | |
4545 #endif | |
7 | 4546 |
4547 SCREEN_LINE(screen_row, W_WINCOL(wp), col, (int)W_WIDTH(wp), | |
4548 wp->w_p_rl); | |
4549 row++; | |
4550 | |
4551 /* | |
4552 * Update w_cline_height and w_cline_folded if the cursor line was | |
4553 * updated (saves a call to plines() later). | |
4554 */ | |
4555 if (wp == curwin && lnum == curwin->w_cursor.lnum) | |
4556 { | |
4557 curwin->w_cline_row = startrow; | |
4558 curwin->w_cline_height = row - startrow; | |
4559 #ifdef FEAT_FOLDING | |
4560 curwin->w_cline_folded = FALSE; | |
4561 #endif | |
4562 curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW); | |
4563 } | |
4564 | |
4565 break; | |
4566 } | |
4567 | |
4568 /* line continues beyond line end */ | |
4569 if (lcs_ext | |
4570 && !wp->w_p_wrap | |
4571 #ifdef FEAT_DIFF | |
4572 && filler_todo <= 0 | |
4573 #endif | |
4574 && ( | |
4575 #ifdef FEAT_RIGHTLEFT | |
4576 wp->w_p_rl ? col == 0 : | |
4577 #endif | |
4578 col == W_WIDTH(wp) - 1) | |
4579 && (*ptr != NUL | |
1555 | 4580 || (wp->w_p_list && lcs_eol_one > 0) |
7 | 4581 || (n_extra && (c_extra != NUL || *p_extra != NUL)))) |
4582 { | |
4583 c = lcs_ext; | |
4584 char_attr = hl_attr(HLF_AT); | |
4585 #ifdef FEAT_MBYTE | |
4586 mb_c = c; | |
4587 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4588 { | |
4589 mb_utf8 = TRUE; | |
714 | 4590 u8cc[0] = 0; |
819 | 4591 c = 0xc0; |
7 | 4592 } |
4593 else | |
4594 mb_utf8 = FALSE; | |
4595 #endif | |
4596 } | |
4597 | |
743 | 4598 #ifdef FEAT_SYN_HL |
4599 /* Highlight the cursor column if 'cursorcolumn' is set. But don't | |
4600 * highlight the cursor position itself. */ | |
777 | 4601 if (wp->w_p_cuc && vcol == (long)wp->w_virtcol |
743 | 4602 && lnum != wp->w_cursor.lnum |
1813 | 4603 && draw_state == WL_LINE |
4604 && !lnum_in_visual_area) | |
743 | 4605 { |
4606 vcol_save_attr = char_attr; | |
4607 char_attr = hl_combine_attr(char_attr, hl_attr(HLF_CUC)); | |
4608 } | |
4609 else | |
4610 vcol_save_attr = -1; | |
4611 #endif | |
4612 | |
7 | 4613 /* |
4614 * Store character to be displayed. | |
4615 * Skip characters that are left of the screen for 'nowrap'. | |
4616 */ | |
4617 vcol_prev = vcol; | |
4618 if (draw_state < WL_LINE || n_skip <= 0) | |
4619 { | |
4620 /* | |
4621 * Store the character. | |
4622 */ | |
4623 #if defined(FEAT_RIGHTLEFT) && defined(FEAT_MBYTE) | |
4624 if (has_mbyte && wp->w_p_rl && (*mb_char2cells)(mb_c) > 1) | |
4625 { | |
4626 /* A double-wide character is: put first halve in left cell. */ | |
4627 --off; | |
4628 --col; | |
4629 } | |
4630 #endif | |
4631 ScreenLines[off] = c; | |
4632 #ifdef FEAT_MBYTE | |
4633 if (enc_dbcs == DBCS_JPNU) | |
2069
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
4634 { |
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
4635 if ((mb_c & 0xff00) == 0x8e00) |
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
4636 ScreenLines[off] = 0x8e; |
7 | 4637 ScreenLines2[off] = mb_c & 0xff; |
2069
63613d8d7e4d
updated for version 7.2.354
Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
4638 } |
7 | 4639 else if (enc_utf8) |
4640 { | |
4641 if (mb_utf8) | |
4642 { | |
1326 | 4643 int i; |
4644 | |
7 | 4645 ScreenLinesUC[off] = mb_c; |
819 | 4646 if ((c & 0xff) == 0) |
4647 ScreenLines[off] = 0x80; /* avoid storing zero */ | |
714 | 4648 for (i = 0; i < Screen_mco; ++i) |
4649 { | |
4650 ScreenLinesC[i][off] = u8cc[i]; | |
4651 if (u8cc[i] == 0) | |
4652 break; | |
4653 } | |
7 | 4654 } |
4655 else | |
4656 ScreenLinesUC[off] = 0; | |
4657 } | |
4658 if (multi_attr) | |
4659 { | |
4660 ScreenAttrs[off] = multi_attr; | |
4661 multi_attr = 0; | |
4662 } | |
4663 else | |
4664 #endif | |
4665 ScreenAttrs[off] = char_attr; | |
4666 | |
4667 #ifdef FEAT_MBYTE | |
4668 if (has_mbyte && (*mb_char2cells)(mb_c) > 1) | |
4669 { | |
4670 /* Need to fill two screen columns. */ | |
4671 ++off; | |
4672 ++col; | |
4673 if (enc_utf8) | |
4674 /* UTF-8: Put a 0 in the second screen char. */ | |
4675 ScreenLines[off] = 0; | |
4676 else | |
4677 /* DBCS: Put second byte in the second screen char. */ | |
4678 ScreenLines[off] = mb_c & 0xff; | |
4679 ++vcol; | |
4680 /* When "tocol" is halfway a character, set it to the end of | |
4681 * the character, otherwise highlighting won't stop. */ | |
4682 if (tocol == vcol) | |
4683 ++tocol; | |
4684 #ifdef FEAT_RIGHTLEFT | |
4685 if (wp->w_p_rl) | |
4686 { | |
4687 /* now it's time to backup one cell */ | |
4688 --off; | |
4689 --col; | |
4690 } | |
4691 #endif | |
4692 } | |
4693 #endif | |
4694 #ifdef FEAT_RIGHTLEFT | |
4695 if (wp->w_p_rl) | |
4696 { | |
4697 --off; | |
4698 --col; | |
4699 } | |
4700 else | |
4701 #endif | |
4702 { | |
4703 ++off; | |
4704 ++col; | |
4705 } | |
4706 } | |
4707 else | |
4708 --n_skip; | |
4709 | |
4710 /* Only advance the "vcol" when after the 'number' column. */ | |
1849 | 4711 if (draw_state > WL_NR |
7 | 4712 #ifdef FEAT_DIFF |
4713 && filler_todo <= 0 | |
4714 #endif | |
4715 ) | |
4716 ++vcol; | |
4717 | |
743 | 4718 #ifdef FEAT_SYN_HL |
4719 if (vcol_save_attr >= 0) | |
4720 char_attr = vcol_save_attr; | |
4721 #endif | |
4722 | |
7 | 4723 /* restore attributes after "predeces" in 'listchars' */ |
4724 if (draw_state > WL_NR && n_attr3 > 0 && --n_attr3 == 0) | |
4725 char_attr = saved_attr3; | |
4726 | |
4727 /* restore attributes after last 'listchars' or 'number' char */ | |
4728 if (n_attr > 0 && draw_state == WL_LINE && --n_attr == 0) | |
4729 char_attr = saved_attr2; | |
4730 | |
4731 /* | |
4732 * At end of screen line and there is more to come: Display the line | |
1378 | 4733 * so far. If there is no more to display it is caught above. |
7 | 4734 */ |
4735 if (( | |
4736 #ifdef FEAT_RIGHTLEFT | |
4737 wp->w_p_rl ? (col < 0) : | |
4738 #endif | |
4739 (col >= W_WIDTH(wp))) | |
4740 && (*ptr != NUL | |
4741 #ifdef FEAT_DIFF | |
4742 || filler_todo > 0 | |
4743 #endif | |
4744 || (wp->w_p_list && lcs_eol != NUL && p_extra != at_end_str) | |
4745 || (n_extra != 0 && (c_extra != NUL || *p_extra != NUL))) | |
4746 ) | |
4747 { | |
4748 SCREEN_LINE(screen_row, W_WINCOL(wp), col, (int)W_WIDTH(wp), | |
4749 wp->w_p_rl); | |
4750 ++row; | |
4751 ++screen_row; | |
4752 | |
4753 /* When not wrapping and finished diff lines, or when displayed | |
4754 * '$' and highlighting until last column, break here. */ | |
4755 if ((!wp->w_p_wrap | |
4756 #ifdef FEAT_DIFF | |
4757 && filler_todo <= 0 | |
4758 #endif | |
4759 ) || lcs_eol_one == -1) | |
4760 break; | |
4761 | |
4762 /* When the window is too narrow draw all "@" lines. */ | |
4763 if (draw_state != WL_LINE | |
4764 #ifdef FEAT_DIFF | |
4765 && filler_todo <= 0 | |
4766 #endif | |
4767 ) | |
4768 { | |
4769 win_draw_end(wp, '@', ' ', row, wp->w_height, HLF_AT); | |
4770 #ifdef FEAT_VERTSPLIT | |
4771 draw_vsep_win(wp, row); | |
4772 #endif | |
4773 row = endrow; | |
4774 } | |
4775 | |
4776 /* When line got too long for screen break here. */ | |
4777 if (row == endrow) | |
4778 { | |
4779 ++row; | |
4780 break; | |
4781 } | |
4782 | |
4783 if (screen_cur_row == screen_row - 1 | |
4784 #ifdef FEAT_DIFF | |
4785 && filler_todo <= 0 | |
4786 #endif | |
4787 && W_WIDTH(wp) == Columns) | |
4788 { | |
4789 /* Remember that the line wraps, used for modeless copy. */ | |
4790 LineWraps[screen_row - 1] = TRUE; | |
4791 | |
4792 /* | |
4793 * Special trick to make copy/paste of wrapped lines work with | |
4794 * xterm/screen: write an extra character beyond the end of | |
4795 * the line. This will work with all terminal types | |
4796 * (regardless of the xn,am settings). | |
4797 * Only do this on a fast tty. | |
4798 * Only do this if the cursor is on the current line | |
4799 * (something has been written in it). | |
4800 * Don't do this for the GUI. | |
4801 * Don't do this for double-width characters. | |
4802 * Don't do this for a window not at the right screen border. | |
4803 */ | |
4804 if (p_tf | |
4805 #ifdef FEAT_GUI | |
4806 && !gui.in_use | |
4807 #endif | |
4808 #ifdef FEAT_MBYTE | |
4809 && !(has_mbyte | |
1378 | 4810 && ((*mb_off2cells)(LineOffset[screen_row], |
4811 LineOffset[screen_row] + screen_Columns) | |
4812 == 2 | |
7 | 4813 || (*mb_off2cells)(LineOffset[screen_row - 1] |
1378 | 4814 + (int)Columns - 2, |
4815 LineOffset[screen_row] + screen_Columns) | |
4816 == 2)) | |
7 | 4817 #endif |
4818 ) | |
4819 { | |
4820 /* First make sure we are at the end of the screen line, | |
4821 * then output the same character again to let the | |
4822 * terminal know about the wrap. If the terminal doesn't | |
4823 * auto-wrap, we overwrite the character. */ | |
4824 if (screen_cur_col != W_WIDTH(wp)) | |
4825 screen_char(LineOffset[screen_row - 1] | |
4826 + (unsigned)Columns - 1, | |
4827 screen_row - 1, (int)(Columns - 1)); | |
4828 | |
4829 #ifdef FEAT_MBYTE | |
4830 /* When there is a multi-byte character, just output a | |
4831 * space to keep it simple. */ | |
148 | 4832 if (has_mbyte && MB_BYTE2LEN(ScreenLines[LineOffset[ |
4833 screen_row - 1] + (Columns - 1)]) > 1) | |
7 | 4834 out_char(' '); |
4835 else | |
4836 #endif | |
4837 out_char(ScreenLines[LineOffset[screen_row - 1] | |
4838 + (Columns - 1)]); | |
4839 /* force a redraw of the first char on the next line */ | |
4840 ScreenAttrs[LineOffset[screen_row]] = (sattr_T)-1; | |
4841 screen_start(); /* don't know where cursor is now */ | |
4842 } | |
4843 } | |
4844 | |
4845 col = 0; | |
4846 off = (unsigned)(current_ScreenLine - ScreenLines); | |
4847 #ifdef FEAT_RIGHTLEFT | |
4848 if (wp->w_p_rl) | |
4849 { | |
4850 col = W_WIDTH(wp) - 1; /* col is not used if breaking! */ | |
4851 off += col; | |
4852 } | |
4853 #endif | |
4854 | |
4855 /* reset the drawing state for the start of a wrapped line */ | |
4856 draw_state = WL_START; | |
4857 saved_n_extra = n_extra; | |
4858 saved_p_extra = p_extra; | |
4859 saved_c_extra = c_extra; | |
4860 saved_char_attr = char_attr; | |
4861 n_extra = 0; | |
4862 lcs_prec_todo = lcs_prec; | |
4863 #ifdef FEAT_LINEBREAK | |
4864 # ifdef FEAT_DIFF | |
4865 if (filler_todo <= 0) | |
4866 # endif | |
4867 need_showbreak = TRUE; | |
4868 #endif | |
4869 #ifdef FEAT_DIFF | |
4870 --filler_todo; | |
4871 /* When the filler lines are actually below the last line of the | |
4872 * file, don't draw the line itself, break here. */ | |
4873 if (filler_todo == 0 && wp->w_botfill) | |
4874 break; | |
4875 #endif | |
4876 } | |
4877 | |
4878 } /* for every character in the line */ | |
4879 | |
743 | 4880 #ifdef FEAT_SPELL |
386 | 4881 /* After an empty line check first word for capital. */ |
4882 if (*skipwhite(line) == NUL) | |
4883 { | |
4884 capcol_lnum = lnum + 1; | |
4885 cap_col = 0; | |
4886 } | |
4887 #endif | |
4888 | |
7 | 4889 return row; |
4890 } | |
4891 | |
714 | 4892 #ifdef FEAT_MBYTE |
4893 static int comp_char_differs __ARGS((int, int)); | |
4894 | |
4895 /* | |
4896 * Return if the composing characters at "off_from" and "off_to" differ. | |
2124
dc8a5699253b
updated for version 7.2.406
Bram Moolenaar <bram@zimbu.org>
parents:
2122
diff
changeset
|
4897 * Only to be used when ScreenLinesUC[off_from] != 0. |
714 | 4898 */ |
4899 static int | |
4900 comp_char_differs(off_from, off_to) | |
4901 int off_from; | |
4902 int off_to; | |
4903 { | |
4904 int i; | |
4905 | |
4906 for (i = 0; i < Screen_mco; ++i) | |
4907 { | |
4908 if (ScreenLinesC[i][off_from] != ScreenLinesC[i][off_to]) | |
4909 return TRUE; | |
4910 if (ScreenLinesC[i][off_from] == 0) | |
4911 break; | |
4912 } | |
4913 return FALSE; | |
4914 } | |
4915 #endif | |
4916 | |
7 | 4917 /* |
4918 * Check whether the given character needs redrawing: | |
4919 * - the (first byte of the) character is different | |
4920 * - the attributes are different | |
4921 * - the character is multi-byte and the next byte is different | |
1616 | 4922 * - the character is two cells wide and the second cell differs. |
7 | 4923 */ |
4924 static int | |
4925 char_needs_redraw(off_from, off_to, cols) | |
4926 int off_from; | |
4927 int off_to; | |
4928 int cols; | |
4929 { | |
4930 if (cols > 0 | |
4931 && ((ScreenLines[off_from] != ScreenLines[off_to] | |
4932 || ScreenAttrs[off_from] != ScreenAttrs[off_to]) | |
4933 | |
4934 #ifdef FEAT_MBYTE | |
4935 || (enc_dbcs != 0 | |
4936 && MB_BYTE2LEN(ScreenLines[off_from]) > 1 | |
4937 && (enc_dbcs == DBCS_JPNU && ScreenLines[off_from] == 0x8e | |
4938 ? ScreenLines2[off_from] != ScreenLines2[off_to] | |
4939 : (cols > 1 && ScreenLines[off_from + 1] | |
4940 != ScreenLines[off_to + 1]))) | |
4941 || (enc_utf8 | |
4942 && (ScreenLinesUC[off_from] != ScreenLinesUC[off_to] | |
4943 || (ScreenLinesUC[off_from] != 0 | |
1616 | 4944 && comp_char_differs(off_from, off_to)) |
4945 || (cols > 1 && ScreenLines[off_from + 1] | |
4946 != ScreenLines[off_to + 1]))) | |
7 | 4947 #endif |
4948 )) | |
4949 return TRUE; | |
4950 return FALSE; | |
4951 } | |
4952 | |
4953 /* | |
4954 * Move one "cooked" screen line to the screen, but only the characters that | |
4955 * have actually changed. Handle insert/delete character. | |
4956 * "coloff" gives the first column on the screen for this line. | |
4957 * "endcol" gives the columns where valid characters are. | |
4958 * "clear_width" is the width of the window. It's > 0 if the rest of the line | |
4959 * needs to be cleared, negative otherwise. | |
4960 * "rlflag" is TRUE in a rightleft window: | |
4961 * When TRUE and "clear_width" > 0, clear columns 0 to "endcol" | |
4962 * When FALSE and "clear_width" > 0, clear columns "endcol" to "clear_width" | |
4963 */ | |
4964 static void | |
4965 screen_line(row, coloff, endcol, clear_width | |
4966 #ifdef FEAT_RIGHTLEFT | |
4967 , rlflag | |
4968 #endif | |
4969 ) | |
4970 int row; | |
4971 int coloff; | |
4972 int endcol; | |
4973 int clear_width; | |
4974 #ifdef FEAT_RIGHTLEFT | |
4975 int rlflag; | |
4976 #endif | |
4977 { | |
4978 unsigned off_from; | |
4979 unsigned off_to; | |
1378 | 4980 #ifdef FEAT_MBYTE |
4981 unsigned max_off_from; | |
4982 unsigned max_off_to; | |
4983 #endif | |
7 | 4984 int col = 0; |
4985 #if defined(FEAT_GUI) || defined(UNIX) || defined(FEAT_VERTSPLIT) | |
4986 int hl; | |
4987 #endif | |
4988 int force = FALSE; /* force update rest of the line */ | |
4989 int redraw_this /* bool: does character need redraw? */ | |
4990 #ifdef FEAT_GUI | |
4991 = TRUE /* For GUI when while-loop empty */ | |
4992 #endif | |
4993 ; | |
4994 int redraw_next; /* redraw_this for next character */ | |
4995 #ifdef FEAT_MBYTE | |
4996 int clear_next = FALSE; | |
4997 int char_cells; /* 1: normal char */ | |
4998 /* 2: occupies two display cells */ | |
4999 # define CHAR_CELLS char_cells | |
5000 #else | |
5001 # define CHAR_CELLS 1 | |
5002 #endif | |
5003 | |
5004 # ifdef FEAT_CLIPBOARD | |
5005 clip_may_clear_selection(row, row); | |
5006 # endif | |
5007 | |
5008 off_from = (unsigned)(current_ScreenLine - ScreenLines); | |
5009 off_to = LineOffset[row] + coloff; | |
1378 | 5010 #ifdef FEAT_MBYTE |
5011 max_off_from = off_from + screen_Columns; | |
5012 max_off_to = LineOffset[row] + screen_Columns; | |
5013 #endif | |
7 | 5014 |
5015 #ifdef FEAT_RIGHTLEFT | |
5016 if (rlflag) | |
5017 { | |
5018 /* Clear rest first, because it's left of the text. */ | |
5019 if (clear_width > 0) | |
5020 { | |
5021 while (col <= endcol && ScreenLines[off_to] == ' ' | |
5022 && ScreenAttrs[off_to] == 0 | |
5023 # ifdef FEAT_MBYTE | |
5024 && (!enc_utf8 || ScreenLinesUC[off_to] == 0) | |
5025 # endif | |
5026 ) | |
5027 { | |
5028 ++off_to; | |
5029 ++col; | |
5030 } | |
5031 if (col <= endcol) | |
5032 screen_fill(row, row + 1, col + coloff, | |
5033 endcol + coloff + 1, ' ', ' ', 0); | |
5034 } | |
5035 col = endcol + 1; | |
5036 off_to = LineOffset[row] + col + coloff; | |
5037 off_from += col; | |
5038 endcol = (clear_width > 0 ? clear_width : -clear_width); | |
5039 } | |
5040 #endif /* FEAT_RIGHTLEFT */ | |
5041 | |
5042 redraw_next = char_needs_redraw(off_from, off_to, endcol - col); | |
5043 | |
5044 while (col < endcol) | |
5045 { | |
5046 #ifdef FEAT_MBYTE | |
5047 if (has_mbyte && (col + 1 < endcol)) | |
1378 | 5048 char_cells = (*mb_off2cells)(off_from, max_off_from); |
7 | 5049 else |
5050 char_cells = 1; | |
5051 #endif | |
5052 | |
5053 redraw_this = redraw_next; | |
5054 redraw_next = force || char_needs_redraw(off_from + CHAR_CELLS, | |
5055 off_to + CHAR_CELLS, endcol - col - CHAR_CELLS); | |
5056 | |
5057 #ifdef FEAT_GUI | |
5058 /* If the next character was bold, then redraw the current character to | |
5059 * remove any pixels that might have spilt over into us. This only | |
5060 * happens in the GUI. | |
5061 */ | |
5062 if (redraw_next && gui.in_use) | |
5063 { | |
5064 hl = ScreenAttrs[off_to + CHAR_CELLS]; | |
743 | 5065 if (hl > HL_ALL) |
5066 hl = syn_attr2attr(hl); | |
5067 if (hl & HL_BOLD) | |
7 | 5068 redraw_this = TRUE; |
5069 } | |
5070 #endif | |
5071 | |
5072 if (redraw_this) | |
5073 { | |
5074 /* | |
5075 * Special handling when 'xs' termcap flag set (hpterm): | |
5076 * Attributes for characters are stored at the position where the | |
5077 * cursor is when writing the highlighting code. The | |
5078 * start-highlighting code must be written with the cursor on the | |
5079 * first highlighted character. The stop-highlighting code must | |
5080 * be written with the cursor just after the last highlighted | |
5081 * character. | |
5082 * Overwriting a character doesn't remove it's highlighting. Need | |
5083 * to clear the rest of the line, and force redrawing it | |
5084 * completely. | |
5085 */ | |
5086 if ( p_wiv | |
5087 && !force | |
5088 #ifdef FEAT_GUI | |
5089 && !gui.in_use | |
5090 #endif | |
5091 && ScreenAttrs[off_to] != 0 | |
5092 && ScreenAttrs[off_from] != ScreenAttrs[off_to]) | |
5093 { | |
5094 /* | |
5095 * Need to remove highlighting attributes here. | |
5096 */ | |
5097 windgoto(row, col + coloff); | |
5098 out_str(T_CE); /* clear rest of this screen line */ | |
5099 screen_start(); /* don't know where cursor is now */ | |
5100 force = TRUE; /* force redraw of rest of the line */ | |
5101 redraw_next = TRUE; /* or else next char would miss out */ | |
5102 | |
5103 /* | |
5104 * If the previous character was highlighted, need to stop | |
5105 * highlighting at this character. | |
5106 */ | |
5107 if (col + coloff > 0 && ScreenAttrs[off_to - 1] != 0) | |
5108 { | |
5109 screen_attr = ScreenAttrs[off_to - 1]; | |
5110 term_windgoto(row, col + coloff); | |
5111 screen_stop_highlight(); | |
5112 } | |
5113 else | |
5114 screen_attr = 0; /* highlighting has stopped */ | |
5115 } | |
5116 #ifdef FEAT_MBYTE | |
5117 if (enc_dbcs != 0) | |
5118 { | |
5119 /* Check if overwriting a double-byte with a single-byte or | |
5120 * the other way around requires another character to be | |
5121 * redrawn. For UTF-8 this isn't needed, because comparing | |
5122 * ScreenLinesUC[] is sufficient. */ | |
5123 if (char_cells == 1 | |
5124 && col + 1 < endcol | |
1378 | 5125 && (*mb_off2cells)(off_to, max_off_to) > 1) |
7 | 5126 { |
5127 /* Writing a single-cell character over a double-cell | |
5128 * character: need to redraw the next cell. */ | |
5129 ScreenLines[off_to + 1] = 0; | |
5130 redraw_next = TRUE; | |
5131 } | |
5132 else if (char_cells == 2 | |
5133 && col + 2 < endcol | |
1378 | 5134 && (*mb_off2cells)(off_to, max_off_to) == 1 |
5135 && (*mb_off2cells)(off_to + 1, max_off_to) > 1) | |
7 | 5136 { |
5137 /* Writing the second half of a double-cell character over | |
5138 * a double-cell character: need to redraw the second | |
5139 * cell. */ | |
5140 ScreenLines[off_to + 2] = 0; | |
5141 redraw_next = TRUE; | |
5142 } | |
5143 | |
5144 if (enc_dbcs == DBCS_JPNU) | |
5145 ScreenLines2[off_to] = ScreenLines2[off_from]; | |
5146 } | |
5147 /* When writing a single-width character over a double-width | |
5148 * character and at the end of the redrawn text, need to clear out | |
5149 * the right halve of the old character. | |
5150 * Also required when writing the right halve of a double-width | |
5151 * char over the left halve of an existing one. */ | |
5152 if (has_mbyte && col + char_cells == endcol | |
5153 && ((char_cells == 1 | |
1378 | 5154 && (*mb_off2cells)(off_to, max_off_to) > 1) |
7 | 5155 || (char_cells == 2 |
1378 | 5156 && (*mb_off2cells)(off_to, max_off_to) == 1 |
5157 && (*mb_off2cells)(off_to + 1, max_off_to) > 1))) | |
7 | 5158 clear_next = TRUE; |
5159 #endif | |
5160 | |
5161 ScreenLines[off_to] = ScreenLines[off_from]; | |
5162 #ifdef FEAT_MBYTE | |
5163 if (enc_utf8) | |
5164 { | |
5165 ScreenLinesUC[off_to] = ScreenLinesUC[off_from]; | |
5166 if (ScreenLinesUC[off_from] != 0) | |
5167 { | |
714 | 5168 int i; |
5169 | |
5170 for (i = 0; i < Screen_mco; ++i) | |
5171 ScreenLinesC[i][off_to] = ScreenLinesC[i][off_from]; | |
7 | 5172 } |
5173 } | |
5174 if (char_cells == 2) | |
5175 ScreenLines[off_to + 1] = ScreenLines[off_from + 1]; | |
5176 #endif | |
5177 | |
5178 #if defined(FEAT_GUI) || defined(UNIX) | |
1843 | 5179 /* The bold trick makes a single column of pixels appear in the |
5180 * next character. When a bold character is removed, the next | |
7 | 5181 * character should be redrawn too. This happens for our own GUI |
5182 * and for some xterms. */ | |
5183 if ( | |
5184 # ifdef FEAT_GUI | |
5185 gui.in_use | |
5186 # endif | |
5187 # if defined(FEAT_GUI) && defined(UNIX) | |
5188 || | |
5189 # endif | |
5190 # ifdef UNIX | |
5191 term_is_xterm | |
5192 # endif | |
5193 ) | |
5194 { | |
5195 hl = ScreenAttrs[off_to]; | |
743 | 5196 if (hl > HL_ALL) |
5197 hl = syn_attr2attr(hl); | |
5198 if (hl & HL_BOLD) | |
7 | 5199 redraw_next = TRUE; |
5200 } | |
5201 #endif | |
5202 ScreenAttrs[off_to] = ScreenAttrs[off_from]; | |
5203 #ifdef FEAT_MBYTE | |
819 | 5204 /* For simplicity set the attributes of second half of a |
5205 * double-wide character equal to the first half. */ | |
5206 if (char_cells == 2) | |
5207 ScreenAttrs[off_to + 1] = ScreenAttrs[off_from]; | |
5208 | |
7 | 5209 if (enc_dbcs != 0 && char_cells == 2) |
5210 screen_char_2(off_to, row, col + coloff); | |
5211 else | |
5212 #endif | |
5213 screen_char(off_to, row, col + coloff); | |
5214 } | |
5215 else if ( p_wiv | |
5216 #ifdef FEAT_GUI | |
5217 && !gui.in_use | |
5218 #endif | |
5219 && col + coloff > 0) | |
5220 { | |
5221 if (ScreenAttrs[off_to] == ScreenAttrs[off_to - 1]) | |
5222 { | |
5223 /* | |
5224 * Don't output stop-highlight when moving the cursor, it will | |
5225 * stop the highlighting when it should continue. | |
5226 */ | |
5227 screen_attr = 0; | |
5228 } | |
5229 else if (screen_attr != 0) | |
5230 screen_stop_highlight(); | |
5231 } | |
5232 | |
5233 off_to += CHAR_CELLS; | |
5234 off_from += CHAR_CELLS; | |
5235 col += CHAR_CELLS; | |
5236 } | |
5237 | |
5238 #ifdef FEAT_MBYTE | |
5239 if (clear_next) | |
5240 { | |
5241 /* Clear the second half of a double-wide character of which the left | |
5242 * half was overwritten with a single-wide character. */ | |
5243 ScreenLines[off_to] = ' '; | |
5244 if (enc_utf8) | |
5245 ScreenLinesUC[off_to] = 0; | |
5246 screen_char(off_to, row, col + coloff); | |
5247 } | |
5248 #endif | |
5249 | |
5250 if (clear_width > 0 | |
5251 #ifdef FEAT_RIGHTLEFT | |
5252 && !rlflag | |
5253 #endif | |
5254 ) | |
5255 { | |
5256 #ifdef FEAT_GUI | |
5257 int startCol = col; | |
5258 #endif | |
5259 | |
5260 /* blank out the rest of the line */ | |
5261 while (col < clear_width && ScreenLines[off_to] == ' ' | |
5262 && ScreenAttrs[off_to] == 0 | |
5263 #ifdef FEAT_MBYTE | |
5264 && (!enc_utf8 || ScreenLinesUC[off_to] == 0) | |
5265 #endif | |
5266 ) | |
5267 { | |
5268 ++off_to; | |
5269 ++col; | |
5270 } | |
5271 if (col < clear_width) | |
5272 { | |
5273 #ifdef FEAT_GUI | |
5274 /* | |
5275 * In the GUI, clearing the rest of the line may leave pixels | |
5276 * behind if the first character cleared was bold. Some bold | |
5277 * fonts spill over the left. In this case we redraw the previous | |
5278 * character too. If we didn't skip any blanks above, then we | |
5279 * only redraw if the character wasn't already redrawn anyway. | |
5280 */ | |
996 | 5281 if (gui.in_use && (col > startCol || !redraw_this)) |
7 | 5282 { |
5283 hl = ScreenAttrs[off_to]; | |
5284 if (hl > HL_ALL || (hl & HL_BOLD)) | |
996 | 5285 { |
5286 int prev_cells = 1; | |
5287 # ifdef FEAT_MBYTE | |
5288 if (enc_utf8) | |
5289 /* for utf-8, ScreenLines[char_offset + 1] == 0 means | |
5290 * that its width is 2. */ | |
5291 prev_cells = ScreenLines[off_to - 1] == 0 ? 2 : 1; | |
5292 else if (enc_dbcs != 0) | |
5293 { | |
5294 /* find previous character by counting from first | |
5295 * column and get its width. */ | |
5296 unsigned off = LineOffset[row]; | |
1378 | 5297 unsigned max_off = LineOffset[row] + screen_Columns; |
996 | 5298 |
5299 while (off < off_to) | |
5300 { | |
1378 | 5301 prev_cells = (*mb_off2cells)(off, max_off); |
996 | 5302 off += prev_cells; |
5303 } | |
5304 } | |
5305 | |
5306 if (enc_dbcs != 0 && prev_cells > 1) | |
5307 screen_char_2(off_to - prev_cells, row, | |
5308 col + coloff - prev_cells); | |
5309 else | |
5310 # endif | |
5311 screen_char(off_to - prev_cells, row, | |
5312 col + coloff - prev_cells); | |
5313 } | |
7 | 5314 } |
5315 #endif | |
5316 screen_fill(row, row + 1, col + coloff, clear_width + coloff, | |
5317 ' ', ' ', 0); | |
5318 #ifdef FEAT_VERTSPLIT | |
5319 off_to += clear_width - col; | |
5320 col = clear_width; | |
5321 #endif | |
5322 } | |
5323 } | |
5324 | |
5325 if (clear_width > 0) | |
5326 { | |
5327 #ifdef FEAT_VERTSPLIT | |
5328 /* For a window that's left of another, draw the separator char. */ | |
5329 if (col + coloff < Columns) | |
5330 { | |
5331 int c; | |
5332 | |
5333 c = fillchar_vsep(&hl); | |
5334 if (ScreenLines[off_to] != c | |
5335 # ifdef FEAT_MBYTE | |
714 | 5336 || (enc_utf8 && (int)ScreenLinesUC[off_to] |
5337 != (c >= 0x80 ? c : 0)) | |
7 | 5338 # endif |
5339 || ScreenAttrs[off_to] != hl) | |
5340 { | |
5341 ScreenLines[off_to] = c; | |
5342 ScreenAttrs[off_to] = hl; | |
5343 # ifdef FEAT_MBYTE | |
5344 if (enc_utf8) | |
5345 { | |
5346 if (c >= 0x80) | |
5347 { | |
5348 ScreenLinesUC[off_to] = c; | |
714 | 5349 ScreenLinesC[0][off_to] = 0; |
7 | 5350 } |
5351 else | |
5352 ScreenLinesUC[off_to] = 0; | |
5353 } | |
5354 # endif | |
5355 screen_char(off_to, row, col + coloff); | |
5356 } | |
5357 } | |
5358 else | |
5359 #endif | |
5360 LineWraps[row] = FALSE; | |
5361 } | |
5362 } | |
5363 | |
474 | 5364 #if defined(FEAT_RIGHTLEFT) || defined(PROTO) |
7 | 5365 /* |
474 | 5366 * Mirror text "str" for right-left displaying. |
5367 * Only works for single-byte characters (e.g., numbers). | |
7 | 5368 */ |
474 | 5369 void |
7 | 5370 rl_mirror(str) |
5371 char_u *str; | |
5372 { | |
5373 char_u *p1, *p2; | |
5374 int t; | |
5375 | |
5376 for (p1 = str, p2 = str + STRLEN(str) - 1; p1 < p2; ++p1, --p2) | |
5377 { | |
5378 t = *p1; | |
5379 *p1 = *p2; | |
5380 *p2 = t; | |
5381 } | |
5382 } | |
5383 #endif | |
5384 | |
5385 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
5386 /* | |
5387 * mark all status lines for redraw; used after first :cd | |
5388 */ | |
5389 void | |
5390 status_redraw_all() | |
5391 { | |
5392 win_T *wp; | |
5393 | |
5394 for (wp = firstwin; wp; wp = wp->w_next) | |
5395 if (wp->w_status_height) | |
5396 { | |
5397 wp->w_redr_status = TRUE; | |
5398 redraw_later(VALID); | |
5399 } | |
5400 } | |
5401 | |
5402 /* | |
5403 * mark all status lines of the current buffer for redraw | |
5404 */ | |
5405 void | |
5406 status_redraw_curbuf() | |
5407 { | |
5408 win_T *wp; | |
5409 | |
5410 for (wp = firstwin; wp; wp = wp->w_next) | |
5411 if (wp->w_status_height != 0 && wp->w_buffer == curbuf) | |
5412 { | |
5413 wp->w_redr_status = TRUE; | |
5414 redraw_later(VALID); | |
5415 } | |
5416 } | |
5417 | |
5418 /* | |
5419 * Redraw all status lines that need to be redrawn. | |
5420 */ | |
5421 void | |
5422 redraw_statuslines() | |
5423 { | |
5424 win_T *wp; | |
5425 | |
5426 for (wp = firstwin; wp; wp = wp->w_next) | |
5427 if (wp->w_redr_status) | |
5428 win_redr_status(wp); | |
673 | 5429 if (redraw_tabline) |
677 | 5430 draw_tabline(); |
7 | 5431 } |
5432 #endif | |
5433 | |
5434 #if (defined(FEAT_WILDMENU) && defined(FEAT_VERTSPLIT)) || defined(PROTO) | |
5435 /* | |
5436 * Redraw all status lines at the bottom of frame "frp". | |
5437 */ | |
5438 void | |
5439 win_redraw_last_status(frp) | |
5440 frame_T *frp; | |
5441 { | |
5442 if (frp->fr_layout == FR_LEAF) | |
5443 frp->fr_win->w_redr_status = TRUE; | |
5444 else if (frp->fr_layout == FR_ROW) | |
5445 { | |
5446 for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) | |
5447 win_redraw_last_status(frp); | |
5448 } | |
5449 else /* frp->fr_layout == FR_COL */ | |
5450 { | |
5451 frp = frp->fr_child; | |
5452 while (frp->fr_next != NULL) | |
5453 frp = frp->fr_next; | |
5454 win_redraw_last_status(frp); | |
5455 } | |
5456 } | |
5457 #endif | |
5458 | |
5459 #ifdef FEAT_VERTSPLIT | |
5460 /* | |
5461 * Draw the verticap separator right of window "wp" starting with line "row". | |
5462 */ | |
5463 static void | |
5464 draw_vsep_win(wp, row) | |
5465 win_T *wp; | |
5466 int row; | |
5467 { | |
5468 int hl; | |
5469 int c; | |
5470 | |
5471 if (wp->w_vsep_width) | |
5472 { | |
5473 /* draw the vertical separator right of this window */ | |
5474 c = fillchar_vsep(&hl); | |
5475 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + wp->w_height, | |
5476 W_ENDCOL(wp), W_ENDCOL(wp) + 1, | |
5477 c, ' ', hl); | |
5478 } | |
5479 } | |
5480 #endif | |
5481 | |
5482 #ifdef FEAT_WILDMENU | |
5483 static int status_match_len __ARGS((expand_T *xp, char_u *s)); | |
277 | 5484 static int skip_status_match_char __ARGS((expand_T *xp, char_u *s)); |
7 | 5485 |
5486 /* | |
1378 | 5487 * Get the length of an item as it will be shown in the status line. |
7 | 5488 */ |
5489 static int | |
5490 status_match_len(xp, s) | |
5491 expand_T *xp; | |
5492 char_u *s; | |
5493 { | |
5494 int len = 0; | |
5495 | |
5496 #ifdef FEAT_MENU | |
5497 int emenu = (xp->xp_context == EXPAND_MENUS | |
5498 || xp->xp_context == EXPAND_MENUNAMES); | |
5499 | |
5500 /* Check for menu separators - replace with '|'. */ | |
5501 if (emenu && menu_is_separator(s)) | |
5502 return 1; | |
5503 #endif | |
5504 | |
5505 while (*s != NUL) | |
5506 { | |
1685 | 5507 s += skip_status_match_char(xp, s); |
42 | 5508 len += ptr2cells(s); |
39 | 5509 mb_ptr_adv(s); |
7 | 5510 } |
5511 | |
5512 return len; | |
5513 } | |
5514 | |
5515 /* | |
1685 | 5516 * Return the number of characters that should be skipped in a status match. |
277 | 5517 * These are backslashes used for escaping. Do show backslashes in help tags. |
5518 */ | |
5519 static int | |
5520 skip_status_match_char(xp, s) | |
5521 expand_T *xp; | |
5522 char_u *s; | |
5523 { | |
1685 | 5524 if ((rem_backslash(s) && xp->xp_context != EXPAND_HELP) |
277 | 5525 #ifdef FEAT_MENU |
5526 || ((xp->xp_context == EXPAND_MENUS | |
5527 || xp->xp_context == EXPAND_MENUNAMES) | |
5528 && (s[0] == '\t' || (s[0] == '\\' && s[1] != NUL))) | |
5529 #endif | |
1685 | 5530 ) |
5531 { | |
5532 #ifndef BACKSLASH_IN_FILENAME | |
5533 if (xp->xp_shell && csh_like_shell() && s[1] == '\\' && s[2] == '!') | |
5534 return 2; | |
5535 #endif | |
5536 return 1; | |
5537 } | |
5538 return 0; | |
277 | 5539 } |
5540 | |
5541 /* | |
7 | 5542 * Show wildchar matches in the status line. |
5543 * Show at least the "match" item. | |
5544 * We start at item 'first_match' in the list and show all matches that fit. | |
5545 * | |
5546 * If inversion is possible we use it. Else '=' characters are used. | |
5547 */ | |
5548 void | |
5549 win_redr_status_matches(xp, num_matches, matches, match, showtail) | |
5550 expand_T *xp; | |
5551 int num_matches; | |
5552 char_u **matches; /* list of matches */ | |
5553 int match; | |
5554 int showtail; | |
5555 { | |
5556 #define L_MATCH(m) (showtail ? sm_gettail(matches[m]) : matches[m]) | |
5557 int row; | |
5558 char_u *buf; | |
5559 int len; | |
1378 | 5560 int clen; /* length in screen cells */ |
7 | 5561 int fillchar; |
5562 int attr; | |
5563 int i; | |
5564 int highlight = TRUE; | |
5565 char_u *selstart = NULL; | |
5566 int selstart_col = 0; | |
5567 char_u *selend = NULL; | |
5568 static int first_match = 0; | |
5569 int add_left = FALSE; | |
5570 char_u *s; | |
5571 #ifdef FEAT_MENU | |
5572 int emenu; | |
5573 #endif | |
5574 #if defined(FEAT_MBYTE) || defined(FEAT_MENU) | |
5575 int l; | |
5576 #endif | |
5577 | |
5578 if (matches == NULL) /* interrupted completion? */ | |
5579 return; | |
5580 | |
39 | 5581 #ifdef FEAT_MBYTE |
5582 if (has_mbyte) | |
5583 buf = alloc((unsigned)Columns * MB_MAXBYTES + 1); | |
5584 else | |
5585 #endif | |
5586 buf = alloc((unsigned)Columns + 1); | |
7 | 5587 if (buf == NULL) |
5588 return; | |
5589 | |
5590 if (match == -1) /* don't show match but original text */ | |
5591 { | |
5592 match = 0; | |
5593 highlight = FALSE; | |
5594 } | |
5595 /* count 1 for the ending ">" */ | |
5596 clen = status_match_len(xp, L_MATCH(match)) + 3; | |
5597 if (match == 0) | |
5598 first_match = 0; | |
5599 else if (match < first_match) | |
5600 { | |
5601 /* jumping left, as far as we can go */ | |
5602 first_match = match; | |
5603 add_left = TRUE; | |
5604 } | |
5605 else | |
5606 { | |
5607 /* check if match fits on the screen */ | |
5608 for (i = first_match; i < match; ++i) | |
5609 clen += status_match_len(xp, L_MATCH(i)) + 2; | |
5610 if (first_match > 0) | |
5611 clen += 2; | |
5612 /* jumping right, put match at the left */ | |
5613 if ((long)clen > Columns) | |
5614 { | |
5615 first_match = match; | |
5616 /* if showing the last match, we can add some on the left */ | |
5617 clen = 2; | |
5618 for (i = match; i < num_matches; ++i) | |
5619 { | |
5620 clen += status_match_len(xp, L_MATCH(i)) + 2; | |
5621 if ((long)clen >= Columns) | |
5622 break; | |
5623 } | |
5624 if (i == num_matches) | |
5625 add_left = TRUE; | |
5626 } | |
5627 } | |
5628 if (add_left) | |
5629 while (first_match > 0) | |
5630 { | |
5631 clen += status_match_len(xp, L_MATCH(first_match - 1)) + 2; | |
5632 if ((long)clen >= Columns) | |
5633 break; | |
5634 --first_match; | |
5635 } | |
5636 | |
5637 fillchar = fillchar_status(&attr, TRUE); | |
5638 | |
5639 if (first_match == 0) | |
5640 { | |
5641 *buf = NUL; | |
5642 len = 0; | |
5643 } | |
5644 else | |
5645 { | |
5646 STRCPY(buf, "< "); | |
5647 len = 2; | |
5648 } | |
5649 clen = len; | |
5650 | |
5651 i = first_match; | |
5652 while ((long)(clen + status_match_len(xp, L_MATCH(i)) + 2) < Columns) | |
5653 { | |
5654 if (i == match) | |
5655 { | |
5656 selstart = buf + len; | |
5657 selstart_col = clen; | |
5658 } | |
5659 | |
5660 s = L_MATCH(i); | |
5661 /* Check for menu separators - replace with '|' */ | |
5662 #ifdef FEAT_MENU | |
5663 emenu = (xp->xp_context == EXPAND_MENUS | |
5664 || xp->xp_context == EXPAND_MENUNAMES); | |
5665 if (emenu && menu_is_separator(s)) | |
5666 { | |
5667 STRCPY(buf + len, transchar('|')); | |
5668 l = (int)STRLEN(buf + len); | |
5669 len += l; | |
5670 clen += l; | |
5671 } | |
5672 else | |
5673 #endif | |
5674 for ( ; *s != NUL; ++s) | |
5675 { | |
1685 | 5676 s += skip_status_match_char(xp, s); |
7 | 5677 clen += ptr2cells(s); |
5678 #ifdef FEAT_MBYTE | |
474 | 5679 if (has_mbyte && (l = (*mb_ptr2len)(s)) > 1) |
7 | 5680 { |
5681 STRNCPY(buf + len, s, l); | |
5682 s += l - 1; | |
5683 len += l; | |
5684 } | |
5685 else | |
5686 #endif | |
5687 { | |
5688 STRCPY(buf + len, transchar_byte(*s)); | |
5689 len += (int)STRLEN(buf + len); | |
5690 } | |
5691 } | |
5692 if (i == match) | |
5693 selend = buf + len; | |
5694 | |
5695 *(buf + len++) = ' '; | |
5696 *(buf + len++) = ' '; | |
5697 clen += 2; | |
5698 if (++i == num_matches) | |
5699 break; | |
5700 } | |
5701 | |
5702 if (i != num_matches) | |
5703 { | |
5704 *(buf + len++) = '>'; | |
5705 ++clen; | |
5706 } | |
5707 | |
5708 buf[len] = NUL; | |
5709 | |
5710 row = cmdline_row - 1; | |
5711 if (row >= 0) | |
5712 { | |
5713 if (wild_menu_showing == 0) | |
5714 { | |
5715 if (msg_scrolled > 0) | |
5716 { | |
5717 /* Put the wildmenu just above the command line. If there is | |
5718 * no room, scroll the screen one line up. */ | |
5719 if (cmdline_row == Rows - 1) | |
5720 { | |
5721 screen_del_lines(0, 0, 1, (int)Rows, TRUE, NULL); | |
5722 ++msg_scrolled; | |
5723 } | |
5724 else | |
5725 { | |
5726 ++cmdline_row; | |
5727 ++row; | |
5728 } | |
5729 wild_menu_showing = WM_SCROLLED; | |
5730 } | |
5731 else | |
5732 { | |
5733 /* Create status line if needed by setting 'laststatus' to 2. | |
5734 * Set 'winminheight' to zero to avoid that the window is | |
5735 * resized. */ | |
5736 if (lastwin->w_status_height == 0) | |
5737 { | |
5738 save_p_ls = p_ls; | |
5739 save_p_wmh = p_wmh; | |
5740 p_ls = 2; | |
5741 p_wmh = 0; | |
5742 last_status(FALSE); | |
5743 } | |
5744 wild_menu_showing = WM_SHOWN; | |
5745 } | |
5746 } | |
5747 | |
5748 screen_puts(buf, row, 0, attr); | |
5749 if (selstart != NULL && highlight) | |
5750 { | |
5751 *selend = NUL; | |
5752 screen_puts(selstart, row, selstart_col, hl_attr(HLF_WM)); | |
5753 } | |
5754 | |
5755 screen_fill(row, row + 1, clen, (int)Columns, fillchar, fillchar, attr); | |
5756 } | |
5757 | |
5758 #ifdef FEAT_VERTSPLIT | |
5759 win_redraw_last_status(topframe); | |
5760 #else | |
5761 lastwin->w_redr_status = TRUE; | |
5762 #endif | |
5763 vim_free(buf); | |
5764 } | |
5765 #endif | |
5766 | |
5767 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
5768 /* | |
5769 * Redraw the status line of window wp. | |
5770 * | |
5771 * If inversion is possible we use it. Else '=' characters are used. | |
5772 */ | |
5773 void | |
5774 win_redr_status(wp) | |
5775 win_T *wp; | |
5776 { | |
5777 int row; | |
5778 char_u *p; | |
5779 int len; | |
5780 int fillchar; | |
5781 int attr; | |
5782 int this_ru_col; | |
1910 | 5783 static int busy = FALSE; |
5784 | |
5785 /* It's possible to get here recursively when 'statusline' (indirectly) | |
5786 * invokes ":redrawstatus". Simply ignore the call then. */ | |
5787 if (busy) | |
5788 return; | |
5789 busy = TRUE; | |
7 | 5790 |
5791 wp->w_redr_status = FALSE; | |
5792 if (wp->w_status_height == 0) | |
5793 { | |
5794 /* no status line, can only be last window */ | |
5795 redraw_cmdline = TRUE; | |
5796 } | |
540 | 5797 else if (!redrawing() |
5798 #ifdef FEAT_INS_EXPAND | |
5799 /* don't update status line when popup menu is visible and may be | |
5800 * drawn over it */ | |
5801 || pum_visible() | |
5802 #endif | |
5803 ) | |
7 | 5804 { |
5805 /* Don't redraw right now, do it later. */ | |
5806 wp->w_redr_status = TRUE; | |
5807 } | |
5808 #ifdef FEAT_STL_OPT | |
40 | 5809 else if (*p_stl != NUL || *wp->w_p_stl != NUL) |
7 | 5810 { |
5811 /* redraw custom status line */ | |
1983 | 5812 redraw_custom_statusline(wp); |
7 | 5813 } |
5814 #endif | |
5815 else | |
5816 { | |
5817 fillchar = fillchar_status(&attr, wp == curwin); | |
5818 | |
685 | 5819 get_trans_bufname(wp->w_buffer); |
7 | 5820 p = NameBuff; |
5821 len = (int)STRLEN(p); | |
5822 | |
5823 if (wp->w_buffer->b_help | |
5824 #ifdef FEAT_QUICKFIX | |
5825 || wp->w_p_pvw | |
5826 #endif | |
5827 || bufIsChanged(wp->w_buffer) | |
5828 || wp->w_buffer->b_p_ro) | |
5829 *(p + len++) = ' '; | |
5830 if (wp->w_buffer->b_help) | |
5831 { | |
809 | 5832 STRCPY(p + len, _("[Help]")); |
7 | 5833 len += (int)STRLEN(p + len); |
5834 } | |
5835 #ifdef FEAT_QUICKFIX | |
5836 if (wp->w_p_pvw) | |
5837 { | |
5838 STRCPY(p + len, _("[Preview]")); | |
5839 len += (int)STRLEN(p + len); | |
5840 } | |
5841 #endif | |
5842 if (bufIsChanged(wp->w_buffer)) | |
5843 { | |
5844 STRCPY(p + len, "[+]"); | |
5845 len += 3; | |
5846 } | |
5847 if (wp->w_buffer->b_p_ro) | |
5848 { | |
5849 STRCPY(p + len, "[RO]"); | |
5850 len += 4; | |
5851 } | |
5852 | |
5853 #ifndef FEAT_VERTSPLIT | |
5854 this_ru_col = ru_col; | |
5855 if (this_ru_col < (Columns + 1) / 2) | |
5856 this_ru_col = (Columns + 1) / 2; | |
5857 #else | |
5858 this_ru_col = ru_col - (Columns - W_WIDTH(wp)); | |
5859 if (this_ru_col < (W_WIDTH(wp) + 1) / 2) | |
5860 this_ru_col = (W_WIDTH(wp) + 1) / 2; | |
5861 if (this_ru_col <= 1) | |
5862 { | |
5863 p = (char_u *)"<"; /* No room for file name! */ | |
5864 len = 1; | |
5865 } | |
5866 else | |
5867 #endif | |
5868 #ifdef FEAT_MBYTE | |
5869 if (has_mbyte) | |
5870 { | |
5871 int clen = 0, i; | |
5872 | |
5873 /* Count total number of display cells. */ | |
474 | 5874 for (i = 0; p[i] != NUL; i += (*mb_ptr2len)(p + i)) |
7 | 5875 clen += (*mb_ptr2cells)(p + i); |
5876 /* Find first character that will fit. | |
5877 * Going from start to end is much faster for DBCS. */ | |
5878 for (i = 0; p[i] != NUL && clen >= this_ru_col - 1; | |
474 | 5879 i += (*mb_ptr2len)(p + i)) |
7 | 5880 clen -= (*mb_ptr2cells)(p + i); |
5881 len = clen; | |
5882 if (i > 0) | |
5883 { | |
5884 p = p + i - 1; | |
5885 *p = '<'; | |
5886 ++len; | |
5887 } | |
5888 | |
5889 } | |
5890 else | |
5891 #endif | |
5892 if (len > this_ru_col - 1) | |
5893 { | |
5894 p += len - (this_ru_col - 1); | |
5895 *p = '<'; | |
5896 len = this_ru_col - 1; | |
5897 } | |
5898 | |
5899 row = W_WINROW(wp) + wp->w_height; | |
5900 screen_puts(p, row, W_WINCOL(wp), attr); | |
5901 screen_fill(row, row + 1, len + W_WINCOL(wp), | |
5902 this_ru_col + W_WINCOL(wp), fillchar, fillchar, attr); | |
5903 | |
5904 if (get_keymap_str(wp, NameBuff, MAXPATHL) | |
5905 && (int)(this_ru_col - len) > (int)(STRLEN(NameBuff) + 1)) | |
5906 screen_puts(NameBuff, row, (int)(this_ru_col - STRLEN(NameBuff) | |
5907 - 1 + W_WINCOL(wp)), attr); | |
5908 | |
5909 #ifdef FEAT_CMDL_INFO | |
5910 win_redr_ruler(wp, TRUE); | |
5911 #endif | |
5912 } | |
5913 | |
5914 #ifdef FEAT_VERTSPLIT | |
5915 /* | |
5916 * May need to draw the character below the vertical separator. | |
5917 */ | |
5918 if (wp->w_vsep_width != 0 && wp->w_status_height != 0 && redrawing()) | |
5919 { | |
5920 if (stl_connected(wp)) | |
5921 fillchar = fillchar_status(&attr, wp == curwin); | |
5922 else | |
5923 fillchar = fillchar_vsep(&attr); | |
5924 screen_putchar(fillchar, W_WINROW(wp) + wp->w_height, W_ENDCOL(wp), | |
5925 attr); | |
5926 } | |
5927 #endif | |
1910 | 5928 busy = FALSE; |
7 | 5929 } |
5930 | |
680 | 5931 #ifdef FEAT_STL_OPT |
5932 /* | |
5933 * Redraw the status line according to 'statusline' and take care of any | |
5934 * errors encountered. | |
5935 */ | |
5936 static void | |
1983 | 5937 redraw_custom_statusline(wp) |
680 | 5938 win_T *wp; |
5939 { | |
1983 | 5940 static int entered = FALSE; |
5941 int save_called_emsg = called_emsg; | |
5942 | |
5943 /* When called recursively return. This can happen when the statusline | |
5944 * contains an expression that triggers a redraw. */ | |
5945 if (entered) | |
5946 return; | |
5947 entered = TRUE; | |
680 | 5948 |
5949 called_emsg = FALSE; | |
5950 win_redr_custom(wp, FALSE); | |
5951 if (called_emsg) | |
1983 | 5952 { |
5953 /* When there is an error disable the statusline, otherwise the | |
5954 * display is messed up with errors and a redraw triggers the problem | |
5955 * again and again. */ | |
680 | 5956 set_string_option_direct((char_u *)"statusline", -1, |
5957 (char_u *)"", OPT_FREE | (*wp->w_p_stl != NUL | |
694 | 5958 ? OPT_LOCAL : OPT_GLOBAL), SID_ERROR); |
1983 | 5959 } |
680 | 5960 called_emsg |= save_called_emsg; |
1983 | 5961 entered = FALSE; |
680 | 5962 } |
5963 #endif | |
5964 | |
7 | 5965 # ifdef FEAT_VERTSPLIT |
5966 /* | |
5967 * Return TRUE if the status line of window "wp" is connected to the status | |
5968 * line of the window right of it. If not, then it's a vertical separator. | |
5969 * Only call if (wp->w_vsep_width != 0). | |
5970 */ | |
5971 int | |
5972 stl_connected(wp) | |
5973 win_T *wp; | |
5974 { | |
5975 frame_T *fr; | |
5976 | |
5977 fr = wp->w_frame; | |
5978 while (fr->fr_parent != NULL) | |
5979 { | |
5980 if (fr->fr_parent->fr_layout == FR_COL) | |
5981 { | |
5982 if (fr->fr_next != NULL) | |
5983 break; | |
5984 } | |
5985 else | |
5986 { | |
5987 if (fr->fr_next != NULL) | |
5988 return TRUE; | |
5989 } | |
5990 fr = fr->fr_parent; | |
5991 } | |
5992 return FALSE; | |
5993 } | |
5994 # endif | |
5995 | |
5996 #endif /* FEAT_WINDOWS */ | |
5997 | |
5998 #if defined(FEAT_WINDOWS) || defined(FEAT_STL_OPT) || defined(PROTO) | |
5999 /* | |
6000 * Get the value to show for the language mappings, active 'keymap'. | |
6001 */ | |
6002 int | |
6003 get_keymap_str(wp, buf, len) | |
6004 win_T *wp; | |
6005 char_u *buf; /* buffer for the result */ | |
6006 int len; /* length of buffer */ | |
6007 { | |
6008 char_u *p; | |
6009 | |
6010 if (wp->w_buffer->b_p_iminsert != B_IMODE_LMAP) | |
6011 return FALSE; | |
6012 | |
6013 { | |
6014 #ifdef FEAT_EVAL | |
6015 buf_T *old_curbuf = curbuf; | |
6016 win_T *old_curwin = curwin; | |
6017 char_u *s; | |
6018 | |
6019 curbuf = wp->w_buffer; | |
6020 curwin = wp; | |
6021 STRCPY(buf, "b:keymap_name"); /* must be writable */ | |
6022 ++emsg_skip; | |
714 | 6023 s = p = eval_to_string(buf, NULL, FALSE); |
7 | 6024 --emsg_skip; |
6025 curbuf = old_curbuf; | |
6026 curwin = old_curwin; | |
6027 if (p == NULL || *p == NUL) | |
6028 #endif | |
6029 { | |
6030 #ifdef FEAT_KEYMAP | |
6031 if (wp->w_buffer->b_kmap_state & KEYMAP_LOADED) | |
6032 p = wp->w_buffer->b_p_keymap; | |
6033 else | |
6034 #endif | |
6035 p = (char_u *)"lang"; | |
6036 } | |
6037 if ((int)(STRLEN(p) + 3) < len) | |
6038 sprintf((char *)buf, "<%s>", p); | |
6039 else | |
6040 buf[0] = NUL; | |
6041 #ifdef FEAT_EVAL | |
6042 vim_free(s); | |
6043 #endif | |
6044 } | |
6045 return buf[0] != NUL; | |
6046 } | |
6047 #endif | |
6048 | |
6049 #if defined(FEAT_STL_OPT) || defined(PROTO) | |
6050 /* | |
677 | 6051 * Redraw the status line or ruler of window "wp". |
6052 * When "wp" is NULL redraw the tab pages line from 'tabline'. | |
7 | 6053 */ |
6054 static void | |
574 | 6055 win_redr_custom(wp, draw_ruler) |
7 | 6056 win_T *wp; |
574 | 6057 int draw_ruler; /* TRUE or FALSE */ |
7 | 6058 { |
6059 int attr; | |
6060 int curattr; | |
6061 int row; | |
6062 int col = 0; | |
6063 int maxwidth; | |
6064 int width; | |
6065 int n; | |
6066 int len; | |
6067 int fillchar; | |
6068 char_u buf[MAXPATHL]; | |
1983 | 6069 char_u *stl; |
7 | 6070 char_u *p; |
681 | 6071 struct stl_hlrec hltab[STL_MAX_ITEM]; |
6072 struct stl_hlrec tabtab[STL_MAX_ITEM]; | |
677 | 6073 int use_sandbox = FALSE; |
7 | 6074 |
6075 /* setup environment for the task at hand */ | |
677 | 6076 if (wp == NULL) |
6077 { | |
6078 /* Use 'tabline'. Always at the first line of the screen. */ | |
1983 | 6079 stl = p_tal; |
677 | 6080 row = 0; |
707 | 6081 fillchar = ' '; |
677 | 6082 attr = hl_attr(HLF_TPF); |
6083 maxwidth = Columns; | |
6084 # ifdef FEAT_EVAL | |
681 | 6085 use_sandbox = was_set_insecurely((char_u *)"tabline", 0); |
677 | 6086 # endif |
6087 } | |
40 | 6088 else |
677 | 6089 { |
6090 row = W_WINROW(wp) + wp->w_height; | |
6091 fillchar = fillchar_status(&attr, wp == curwin); | |
6092 maxwidth = W_WIDTH(wp); | |
6093 | |
6094 if (draw_ruler) | |
6095 { | |
1983 | 6096 stl = p_ruf; |
677 | 6097 /* advance past any leading group spec - implicit in ru_col */ |
1983 | 6098 if (*stl == '%') |
6099 { | |
6100 if (*++stl == '-') | |
6101 stl++; | |
6102 if (atoi((char *)stl)) | |
6103 while (VIM_ISDIGIT(*stl)) | |
6104 stl++; | |
6105 if (*stl++ != '(') | |
6106 stl = p_ruf; | |
677 | 6107 } |
7 | 6108 #ifdef FEAT_VERTSPLIT |
677 | 6109 col = ru_col - (Columns - W_WIDTH(wp)); |
6110 if (col < (W_WIDTH(wp) + 1) / 2) | |
6111 col = (W_WIDTH(wp) + 1) / 2; | |
7 | 6112 #else |
677 | 6113 col = ru_col; |
6114 if (col > (Columns + 1) / 2) | |
6115 col = (Columns + 1) / 2; | |
6116 #endif | |
6117 maxwidth = W_WIDTH(wp) - col; | |
7 | 6118 #ifdef FEAT_WINDOWS |
677 | 6119 if (!wp->w_status_height) |
6120 #endif | |
6121 { | |
6122 row = Rows - 1; | |
6123 --maxwidth; /* writing in last column may cause scrolling */ | |
6124 fillchar = ' '; | |
6125 attr = 0; | |
6126 } | |
6127 | |
6128 # ifdef FEAT_EVAL | |
681 | 6129 use_sandbox = was_set_insecurely((char_u *)"rulerformat", 0); |
677 | 6130 # endif |
6131 } | |
6132 else | |
6133 { | |
6134 if (*wp->w_p_stl != NUL) | |
1983 | 6135 stl = wp->w_p_stl; |
677 | 6136 else |
1983 | 6137 stl = p_stl; |
677 | 6138 # ifdef FEAT_EVAL |
681 | 6139 use_sandbox = was_set_insecurely((char_u *)"statusline", |
6140 *wp->w_p_stl == NUL ? 0 : OPT_LOCAL); | |
677 | 6141 # endif |
6142 } | |
6143 | |
6144 #ifdef FEAT_VERTSPLIT | |
6145 col += W_WINCOL(wp); | |
6146 #endif | |
6147 } | |
6148 | |
7 | 6149 if (maxwidth <= 0) |
6150 return; | |
677 | 6151 |
1983 | 6152 /* Make a copy, because the statusline may include a function call that |
6153 * might change the option value and free the memory. */ | |
6154 stl = vim_strsave(stl); | |
677 | 6155 width = build_stl_str_hl(wp == NULL ? curwin : wp, |
6156 buf, sizeof(buf), | |
1983 | 6157 stl, use_sandbox, |
681 | 6158 fillchar, maxwidth, hltab, tabtab); |
1983 | 6159 vim_free(stl); |
835 | 6160 len = (int)STRLEN(buf); |
7 | 6161 |
1883 | 6162 while (width < maxwidth && len < (int)sizeof(buf) - 1) |
7 | 6163 { |
6164 #ifdef FEAT_MBYTE | |
6165 len += (*mb_char2bytes)(fillchar, buf + len); | |
6166 #else | |
6167 buf[len++] = fillchar; | |
6168 #endif | |
6169 ++width; | |
6170 } | |
6171 buf[len] = NUL; | |
6172 | |
681 | 6173 /* |
6174 * Draw each snippet with the specified highlighting. | |
6175 */ | |
7 | 6176 curattr = attr; |
6177 p = buf; | |
681 | 6178 for (n = 0; hltab[n].start != NULL; n++) |
6179 { | |
6180 len = (int)(hltab[n].start - p); | |
7 | 6181 screen_puts_len(p, len, row, col, curattr); |
6182 col += vim_strnsize(p, len); | |
681 | 6183 p = hltab[n].start; |
6184 | |
6185 if (hltab[n].userhl == 0) | |
7 | 6186 curattr = attr; |
681 | 6187 else if (hltab[n].userhl < 0) |
6188 curattr = syn_id2attr(-hltab[n].userhl); | |
7 | 6189 #ifdef FEAT_WINDOWS |
680 | 6190 else if (wp != NULL && wp != curwin && wp->w_status_height != 0) |
681 | 6191 curattr = highlight_stlnc[hltab[n].userhl - 1]; |
7 | 6192 #endif |
6193 else | |
681 | 6194 curattr = highlight_user[hltab[n].userhl - 1]; |
7 | 6195 } |
6196 screen_puts(p, row, col, curattr); | |
681 | 6197 |
6198 if (wp == NULL) | |
6199 { | |
6200 /* Fill the TabPageIdxs[] array for clicking in the tab pagesline. */ | |
6201 col = 0; | |
6202 len = 0; | |
6203 p = buf; | |
6204 fillchar = 0; | |
6205 for (n = 0; tabtab[n].start != NULL; n++) | |
6206 { | |
6207 len += vim_strnsize(p, (int)(tabtab[n].start - p)); | |
6208 while (col < len) | |
6209 TabPageIdxs[col++] = fillchar; | |
6210 p = tabtab[n].start; | |
6211 fillchar = tabtab[n].userhl; | |
6212 } | |
6213 while (col < Columns) | |
6214 TabPageIdxs[col++] = fillchar; | |
6215 } | |
7 | 6216 } |
6217 | |
6218 #endif /* FEAT_STL_OPT */ | |
6219 | |
6220 /* | |
6221 * Output a single character directly to the screen and update ScreenLines. | |
6222 */ | |
6223 void | |
6224 screen_putchar(c, row, col, attr) | |
6225 int c; | |
6226 int row, col; | |
6227 int attr; | |
6228 { | |
6229 #ifdef FEAT_MBYTE | |
6230 char_u buf[MB_MAXBYTES + 1]; | |
6231 | |
6232 buf[(*mb_char2bytes)(c, buf)] = NUL; | |
6233 #else | |
6234 char_u buf[2]; | |
6235 | |
6236 buf[0] = c; | |
6237 buf[1] = NUL; | |
6238 #endif | |
6239 screen_puts(buf, row, col, attr); | |
6240 } | |
6241 | |
6242 /* | |
6243 * Get a single character directly from ScreenLines into "bytes[]". | |
6244 * Also return its attribute in *attrp; | |
6245 */ | |
6246 void | |
6247 screen_getbytes(row, col, bytes, attrp) | |
6248 int row, col; | |
6249 char_u *bytes; | |
6250 int *attrp; | |
6251 { | |
6252 unsigned off; | |
6253 | |
6254 /* safety check */ | |
6255 if (ScreenLines != NULL && row < screen_Rows && col < screen_Columns) | |
6256 { | |
6257 off = LineOffset[row] + col; | |
6258 *attrp = ScreenAttrs[off]; | |
6259 bytes[0] = ScreenLines[off]; | |
6260 bytes[1] = NUL; | |
6261 | |
6262 #ifdef FEAT_MBYTE | |
6263 if (enc_utf8 && ScreenLinesUC[off] != 0) | |
6264 bytes[utfc_char2bytes(off, bytes)] = NUL; | |
6265 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) | |
6266 { | |
6267 bytes[0] = ScreenLines[off]; | |
6268 bytes[1] = ScreenLines2[off]; | |
6269 bytes[2] = NUL; | |
6270 } | |
6271 else if (enc_dbcs && MB_BYTE2LEN(bytes[0]) > 1) | |
6272 { | |
6273 bytes[1] = ScreenLines[off + 1]; | |
6274 bytes[2] = NUL; | |
6275 } | |
6276 #endif | |
6277 } | |
6278 } | |
6279 | |
714 | 6280 #ifdef FEAT_MBYTE |
6281 static int screen_comp_differs __ARGS((int, int*)); | |
6282 | |
6283 /* | |
6284 * Return TRUE if composing characters for screen posn "off" differs from | |
6285 * composing characters in "u8cc". | |
2124
dc8a5699253b
updated for version 7.2.406
Bram Moolenaar <bram@zimbu.org>
parents:
2122
diff
changeset
|
6286 * Only to be used when ScreenLinesUC[off] != 0. |
714 | 6287 */ |
6288 static int | |
6289 screen_comp_differs(off, u8cc) | |
6290 int off; | |
6291 int *u8cc; | |
6292 { | |
6293 int i; | |
6294 | |
6295 for (i = 0; i < Screen_mco; ++i) | |
6296 { | |
6297 if (ScreenLinesC[i][off] != (u8char_T)u8cc[i]) | |
6298 return TRUE; | |
6299 if (u8cc[i] == 0) | |
6300 break; | |
6301 } | |
6302 return FALSE; | |
6303 } | |
6304 #endif | |
6305 | |
7 | 6306 /* |
6307 * Put string '*text' on the screen at position 'row' and 'col', with | |
6308 * attributes 'attr', and update ScreenLines[] and ScreenAttrs[]. | |
6309 * Note: only outputs within one row, message is truncated at screen boundary! | |
6310 * Note: if ScreenLines[], row and/or col is invalid, nothing is done. | |
6311 */ | |
6312 void | |
6313 screen_puts(text, row, col, attr) | |
6314 char_u *text; | |
6315 int row; | |
6316 int col; | |
6317 int attr; | |
6318 { | |
6319 screen_puts_len(text, -1, row, col, attr); | |
6320 } | |
6321 | |
6322 /* | |
6323 * Like screen_puts(), but output "text[len]". When "len" is -1 output up to | |
6324 * a NUL. | |
6325 */ | |
6326 void | |
6327 screen_puts_len(text, len, row, col, attr) | |
6328 char_u *text; | |
6329 int len; | |
6330 int row; | |
6331 int col; | |
6332 int attr; | |
6333 { | |
6334 unsigned off; | |
6335 char_u *ptr = text; | |
6336 int c; | |
6337 #ifdef FEAT_MBYTE | |
1378 | 6338 unsigned max_off; |
7 | 6339 int mbyte_blen = 1; |
6340 int mbyte_cells = 1; | |
6341 int u8c = 0; | |
714 | 6342 int u8cc[MAX_MCO]; |
7 | 6343 int clear_next_cell = FALSE; |
6344 # ifdef FEAT_ARABIC | |
6345 int prev_c = 0; /* previous Arabic character */ | |
714 | 6346 int pc, nc, nc1; |
6347 int pcc[MAX_MCO]; | |
7 | 6348 # endif |
6349 #endif | |
1843 | 6350 #if defined(FEAT_MBYTE) || defined(FEAT_GUI) || defined(UNIX) |
6351 int force_redraw_this; | |
6352 int force_redraw_next = FALSE; | |
6353 #endif | |
6354 int need_redraw; | |
7 | 6355 |
6356 if (ScreenLines == NULL || row >= screen_Rows) /* safety check */ | |
6357 return; | |
1843 | 6358 off = LineOffset[row] + col; |
7 | 6359 |
1668 | 6360 #ifdef FEAT_MBYTE |
6361 /* When drawing over the right halve of a double-wide char clear out the | |
6362 * left halve. Only needed in a terminal. */ | |
1685 | 6363 if (has_mbyte && col > 0 && col < screen_Columns |
1668 | 6364 # ifdef FEAT_GUI |
6365 && !gui.in_use | |
6366 # endif | |
6367 && mb_fix_col(col, row) != col) | |
1843 | 6368 { |
6369 ScreenLines[off - 1] = ' '; | |
6370 ScreenAttrs[off - 1] = 0; | |
6371 if (enc_utf8) | |
6372 { | |
6373 ScreenLinesUC[off - 1] = 0; | |
6374 ScreenLinesC[0][off - 1] = 0; | |
6375 } | |
6376 /* redraw the previous cell, make it empty */ | |
6377 screen_char(off - 1, row, col - 1); | |
6378 /* force the cell at "col" to be redrawn */ | |
6379 force_redraw_next = TRUE; | |
6380 } | |
6381 #endif | |
6382 | |
1378 | 6383 #ifdef FEAT_MBYTE |
6384 max_off = LineOffset[row] + screen_Columns; | |
6385 #endif | |
1340 | 6386 while (col < screen_Columns |
6387 && (len < 0 || (int)(ptr - text) < len) | |
6388 && *ptr != NUL) | |
7 | 6389 { |
6390 c = *ptr; | |
6391 #ifdef FEAT_MBYTE | |
6392 /* check if this is the first byte of a multibyte */ | |
6393 if (has_mbyte) | |
6394 { | |
6395 if (enc_utf8 && len > 0) | |
474 | 6396 mbyte_blen = utfc_ptr2len_len(ptr, (int)((text + len) - ptr)); |
7 | 6397 else |
474 | 6398 mbyte_blen = (*mb_ptr2len)(ptr); |
7 | 6399 if (enc_dbcs == DBCS_JPNU && c == 0x8e) |
6400 mbyte_cells = 1; | |
6401 else if (enc_dbcs != 0) | |
6402 mbyte_cells = mbyte_blen; | |
6403 else /* enc_utf8 */ | |
6404 { | |
6405 if (len >= 0) | |
714 | 6406 u8c = utfc_ptr2char_len(ptr, u8cc, |
7 | 6407 (int)((text + len) - ptr)); |
6408 else | |
714 | 6409 u8c = utfc_ptr2char(ptr, u8cc); |
7 | 6410 mbyte_cells = utf_char2cells(u8c); |
1401 | 6411 # ifdef UNICODE16 |
7 | 6412 /* Non-BMP character: display as ? or fullwidth ?. */ |
6413 if (u8c >= 0x10000) | |
6414 { | |
6415 u8c = (mbyte_cells == 2) ? 0xff1f : (int)'?'; | |
6416 if (attr == 0) | |
6417 attr = hl_attr(HLF_8); | |
6418 } | |
1401 | 6419 # endif |
7 | 6420 # ifdef FEAT_ARABIC |
6421 if (p_arshape && !p_tbidi && ARABIC_CHAR(u8c)) | |
6422 { | |
6423 /* Do Arabic shaping. */ | |
6424 if (len >= 0 && (int)(ptr - text) + mbyte_blen >= len) | |
6425 { | |
6426 /* Past end of string to be displayed. */ | |
6427 nc = NUL; | |
6428 nc1 = NUL; | |
6429 } | |
6430 else | |
714 | 6431 { |
1994 | 6432 nc = utfc_ptr2char_len(ptr + mbyte_blen, pcc, |
6433 (int)((text + len) - ptr - mbyte_blen)); | |
714 | 6434 nc1 = pcc[0]; |
6435 } | |
7 | 6436 pc = prev_c; |
6437 prev_c = u8c; | |
714 | 6438 u8c = arabic_shape(u8c, &c, &u8cc[0], nc, nc1, pc); |
7 | 6439 } |
6440 else | |
6441 prev_c = u8c; | |
6442 # endif | |
2055
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
6443 if (col + mbyte_cells > screen_Columns) |
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
6444 { |
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
6445 /* Only 1 cell left, but character requires 2 cells: |
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
6446 * display a '>' in the last column to avoid wrapping. */ |
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
6447 c = '>'; |
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
6448 mbyte_cells = 1; |
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
6449 } |
7 | 6450 } |
6451 } | |
6452 #endif | |
6453 | |
1843 | 6454 #if defined(FEAT_MBYTE) || defined(FEAT_GUI) || defined(UNIX) |
6455 force_redraw_this = force_redraw_next; | |
6456 force_redraw_next = FALSE; | |
6457 #endif | |
6458 | |
6459 need_redraw = ScreenLines[off] != c | |
7 | 6460 #ifdef FEAT_MBYTE |
6461 || (mbyte_cells == 2 | |
6462 && ScreenLines[off + 1] != (enc_dbcs ? ptr[1] : 0)) | |
6463 || (enc_dbcs == DBCS_JPNU | |
6464 && c == 0x8e | |
6465 && ScreenLines2[off] != ptr[1]) | |
6466 || (enc_utf8 | |
2124
dc8a5699253b
updated for version 7.2.406
Bram Moolenaar <bram@zimbu.org>
parents:
2122
diff
changeset
|
6467 && (ScreenLinesUC[off] != |
dc8a5699253b
updated for version 7.2.406
Bram Moolenaar <bram@zimbu.org>
parents:
2122
diff
changeset
|
6468 (u8char_T)(c < 0x80 && u8cc[0] == 0 ? 0 : u8c) |
dc8a5699253b
updated for version 7.2.406
Bram Moolenaar <bram@zimbu.org>
parents:
2122
diff
changeset
|
6469 || (ScreenLinesUC[off] != 0 |
dc8a5699253b
updated for version 7.2.406
Bram Moolenaar <bram@zimbu.org>
parents:
2122
diff
changeset
|
6470 && screen_comp_differs(off, u8cc)))) |
7 | 6471 #endif |
6472 || ScreenAttrs[off] != attr | |
1843 | 6473 || exmode_active; |
6474 | |
6475 if (need_redraw | |
6476 #if defined(FEAT_MBYTE) || defined(FEAT_GUI) || defined(UNIX) | |
6477 || force_redraw_this | |
6478 #endif | |
7 | 6479 ) |
6480 { | |
6481 #if defined(FEAT_GUI) || defined(UNIX) | |
6482 /* The bold trick makes a single row of pixels appear in the next | |
6483 * character. When a bold character is removed, the next | |
6484 * character should be redrawn too. This happens for our own GUI | |
1843 | 6485 * and for some xterms. */ |
6486 if (need_redraw && ScreenLines[off] != ' ' && ( | |
7 | 6487 # ifdef FEAT_GUI |
6488 gui.in_use | |
6489 # endif | |
6490 # if defined(FEAT_GUI) && defined(UNIX) | |
6491 || | |
6492 # endif | |
6493 # ifdef UNIX | |
6494 term_is_xterm | |
6495 # endif | |
1843 | 6496 )) |
6497 { | |
6498 int n = ScreenAttrs[off]; | |
6499 | |
6500 if (n > HL_ALL) | |
6501 n = syn_attr2attr(n); | |
6502 if (n & HL_BOLD) | |
6503 force_redraw_next = TRUE; | |
7 | 6504 } |
6505 #endif | |
6506 #ifdef FEAT_MBYTE | |
6507 /* When at the end of the text and overwriting a two-cell | |
6508 * character with a one-cell character, need to clear the next | |
6509 * cell. Also when overwriting the left halve of a two-cell char | |
6510 * with the right halve of a two-cell char. Do this only once | |
6511 * (mb_off2cells() may return 2 on the right halve). */ | |
6512 if (clear_next_cell) | |
6513 clear_next_cell = FALSE; | |
6514 else if (has_mbyte | |
6515 && (len < 0 ? ptr[mbyte_blen] == NUL | |
6516 : ptr + mbyte_blen >= text + len) | |
1378 | 6517 && ((mbyte_cells == 1 && (*mb_off2cells)(off, max_off) > 1) |
7 | 6518 || (mbyte_cells == 2 |
1378 | 6519 && (*mb_off2cells)(off, max_off) == 1 |
6520 && (*mb_off2cells)(off + 1, max_off) > 1))) | |
7 | 6521 clear_next_cell = TRUE; |
6522 | |
6523 /* Make sure we never leave a second byte of a double-byte behind, | |
6524 * it confuses mb_off2cells(). */ | |
6525 if (enc_dbcs | |
1378 | 6526 && ((mbyte_cells == 1 && (*mb_off2cells)(off, max_off) > 1) |
7 | 6527 || (mbyte_cells == 2 |
1378 | 6528 && (*mb_off2cells)(off, max_off) == 1 |
6529 && (*mb_off2cells)(off + 1, max_off) > 1))) | |
7 | 6530 ScreenLines[off + mbyte_blen] = 0; |
6531 #endif | |
6532 ScreenLines[off] = c; | |
6533 ScreenAttrs[off] = attr; | |
6534 #ifdef FEAT_MBYTE | |
6535 if (enc_utf8) | |
6536 { | |
714 | 6537 if (c < 0x80 && u8cc[0] == 0) |
7 | 6538 ScreenLinesUC[off] = 0; |
6539 else | |
6540 { | |
714 | 6541 int i; |
6542 | |
7 | 6543 ScreenLinesUC[off] = u8c; |
714 | 6544 for (i = 0; i < Screen_mco; ++i) |
6545 { | |
6546 ScreenLinesC[i][off] = u8cc[i]; | |
6547 if (u8cc[i] == 0) | |
6548 break; | |
6549 } | |
7 | 6550 } |
6551 if (mbyte_cells == 2) | |
6552 { | |
6553 ScreenLines[off + 1] = 0; | |
6554 ScreenAttrs[off + 1] = attr; | |
6555 } | |
6556 screen_char(off, row, col); | |
6557 } | |
6558 else if (mbyte_cells == 2) | |
6559 { | |
6560 ScreenLines[off + 1] = ptr[1]; | |
6561 ScreenAttrs[off + 1] = attr; | |
6562 screen_char_2(off, row, col); | |
6563 } | |
6564 else if (enc_dbcs == DBCS_JPNU && c == 0x8e) | |
6565 { | |
6566 ScreenLines2[off] = ptr[1]; | |
6567 screen_char(off, row, col); | |
6568 } | |
6569 else | |
6570 #endif | |
6571 screen_char(off, row, col); | |
6572 } | |
6573 #ifdef FEAT_MBYTE | |
6574 if (has_mbyte) | |
6575 { | |
6576 off += mbyte_cells; | |
6577 col += mbyte_cells; | |
6578 ptr += mbyte_blen; | |
6579 if (clear_next_cell) | |
6580 ptr = (char_u *)" "; | |
6581 } | |
6582 else | |
6583 #endif | |
6584 { | |
6585 ++off; | |
6586 ++col; | |
6587 ++ptr; | |
6588 } | |
6589 } | |
1843 | 6590 |
6591 #if defined(FEAT_MBYTE) || defined(FEAT_GUI) || defined(UNIX) | |
6592 /* If we detected the next character needs to be redrawn, but the text | |
6593 * doesn't extend up to there, update the character here. */ | |
6594 if (force_redraw_next && col < screen_Columns) | |
6595 { | |
6596 # ifdef FEAT_MBYTE | |
6597 if (enc_dbcs != 0 && dbcs_off2cells(off, max_off) > 1) | |
6598 screen_char_2(off, row, col); | |
6599 else | |
6600 # endif | |
6601 screen_char(off, row, col); | |
6602 } | |
6603 #endif | |
7 | 6604 } |
6605 | |
6606 #ifdef FEAT_SEARCH_EXTRA | |
6607 /* | |
1326 | 6608 * Prepare for 'hlsearch' highlighting. |
7 | 6609 */ |
6610 static void | |
6611 start_search_hl() | |
6612 { | |
6613 if (p_hls && !no_hlsearch) | |
6614 { | |
6615 last_pat_prog(&search_hl.rm); | |
6616 search_hl.attr = hl_attr(HLF_L); | |
1521 | 6617 # ifdef FEAT_RELTIME |
6618 /* Set the time limit to 'redrawtime'. */ | |
6619 profile_setlimit(p_rdt, &search_hl.tm); | |
6620 # endif | |
7 | 6621 } |
6622 } | |
6623 | |
6624 /* | |
1326 | 6625 * Clean up for 'hlsearch' highlighting. |
7 | 6626 */ |
6627 static void | |
6628 end_search_hl() | |
6629 { | |
6630 if (search_hl.rm.regprog != NULL) | |
6631 { | |
6632 vim_free(search_hl.rm.regprog); | |
6633 search_hl.rm.regprog = NULL; | |
6634 } | |
6635 } | |
6636 | |
6637 /* | |
6638 * Advance to the match in window "wp" line "lnum" or past it. | |
6639 */ | |
6640 static void | |
6641 prepare_search_hl(wp, lnum) | |
6642 win_T *wp; | |
6643 linenr_T lnum; | |
6644 { | |
1326 | 6645 matchitem_T *cur; /* points to the match list */ |
6646 match_T *shl; /* points to search_hl or a match */ | |
6647 int shl_flag; /* flag to indicate whether search_hl | |
6648 has been processed or not */ | |
7 | 6649 int n; |
6650 | |
6651 /* | |
6652 * When using a multi-line pattern, start searching at the top | |
6653 * of the window or just after a closed fold. | |
1326 | 6654 * Do this both for search_hl and the match list. |
7 | 6655 */ |
1326 | 6656 cur = wp->w_match_head; |
6657 shl_flag = FALSE; | |
6658 while (cur != NULL || shl_flag == FALSE) | |
6659 { | |
6660 if (shl_flag == FALSE) | |
6661 { | |
6662 shl = &search_hl; | |
6663 shl_flag = TRUE; | |
6664 } | |
6665 else | |
6666 shl = &cur->hl; | |
7 | 6667 if (shl->rm.regprog != NULL |
6668 && shl->lnum == 0 | |
6669 && re_multiline(shl->rm.regprog)) | |
6670 { | |
6671 if (shl->first_lnum == 0) | |
6672 { | |
6673 # ifdef FEAT_FOLDING | |
6674 for (shl->first_lnum = lnum; | |
6675 shl->first_lnum > wp->w_topline; --shl->first_lnum) | |
6676 if (hasFoldingWin(wp, shl->first_lnum - 1, | |
6677 NULL, NULL, TRUE, NULL)) | |
6678 break; | |
6679 # else | |
6680 shl->first_lnum = wp->w_topline; | |
6681 # endif | |
6682 } | |
6683 n = 0; | |
6684 while (shl->first_lnum < lnum && shl->rm.regprog != NULL) | |
6685 { | |
6686 next_search_hl(wp, shl, shl->first_lnum, (colnr_T)n); | |
6687 if (shl->lnum != 0) | |
6688 { | |
6689 shl->first_lnum = shl->lnum | |
6690 + shl->rm.endpos[0].lnum | |
6691 - shl->rm.startpos[0].lnum; | |
6692 n = shl->rm.endpos[0].col; | |
6693 } | |
6694 else | |
6695 { | |
6696 ++shl->first_lnum; | |
6697 n = 0; | |
6698 } | |
6699 } | |
6700 } | |
1326 | 6701 if (shl != &search_hl && cur != NULL) |
6702 cur = cur->next; | |
7 | 6703 } |
6704 } | |
6705 | |
6706 /* | |
1326 | 6707 * Search for a next 'hlsearch' or match. |
7 | 6708 * Uses shl->buf. |
6709 * Sets shl->lnum and shl->rm contents. | |
6710 * Note: Assumes a previous match is always before "lnum", unless | |
6711 * shl->lnum is zero. | |
6712 * Careful: Any pointers for buffer lines will become invalid. | |
6713 */ | |
6714 static void | |
6715 next_search_hl(win, shl, lnum, mincol) | |
6716 win_T *win; | |
1326 | 6717 match_T *shl; /* points to search_hl or a match */ |
7 | 6718 linenr_T lnum; |
6719 colnr_T mincol; /* minimal column for a match */ | |
6720 { | |
6721 linenr_T l; | |
6722 colnr_T matchcol; | |
6723 long nmatched; | |
6724 | |
6725 if (shl->lnum != 0) | |
6726 { | |
6727 /* Check for three situations: | |
6728 * 1. If the "lnum" is below a previous match, start a new search. | |
6729 * 2. If the previous match includes "mincol", use it. | |
6730 * 3. Continue after the previous match. | |
6731 */ | |
6732 l = shl->lnum + shl->rm.endpos[0].lnum - shl->rm.startpos[0].lnum; | |
6733 if (lnum > l) | |
6734 shl->lnum = 0; | |
6735 else if (lnum < l || shl->rm.endpos[0].col > mincol) | |
6736 return; | |
6737 } | |
6738 | |
6739 /* | |
6740 * Repeat searching for a match until one is found that includes "mincol" | |
6741 * or none is found in this line. | |
6742 */ | |
6743 called_emsg = FALSE; | |
6744 for (;;) | |
6745 { | |
1521 | 6746 #ifdef FEAT_RELTIME |
6747 /* Stop searching after passing the time limit. */ | |
6748 if (profile_passed_limit(&(shl->tm))) | |
6749 { | |
6750 shl->lnum = 0; /* no match found in time */ | |
6751 break; | |
6752 } | |
6753 #endif | |
7 | 6754 /* Three situations: |
6755 * 1. No useful previous match: search from start of line. | |
6756 * 2. Not Vi compatible or empty match: continue at next character. | |
6757 * Break the loop if this is beyond the end of the line. | |
6758 * 3. Vi compatible searching: continue at end of previous match. | |
6759 */ | |
6760 if (shl->lnum == 0) | |
6761 matchcol = 0; | |
6762 else if (vim_strchr(p_cpo, CPO_SEARCH) == NULL | |
6763 || (shl->rm.endpos[0].lnum == 0 | |
685 | 6764 && shl->rm.endpos[0].col <= shl->rm.startpos[0].col)) |
6765 { | |
688 | 6766 char_u *ml; |
685 | 6767 |
6768 matchcol = shl->rm.startpos[0].col; | |
688 | 6769 ml = ml_get_buf(shl->buf, lnum, FALSE) + matchcol; |
685 | 6770 if (*ml == NUL) |
6771 { | |
6772 ++matchcol; | |
7 | 6773 shl->lnum = 0; |
6774 break; | |
6775 } | |
685 | 6776 #ifdef FEAT_MBYTE |
6777 if (has_mbyte) | |
6778 matchcol += mb_ptr2len(ml); | |
6779 else | |
6780 #endif | |
6781 ++matchcol; | |
7 | 6782 } |
6783 else | |
6784 matchcol = shl->rm.endpos[0].col; | |
6785 | |
6786 shl->lnum = lnum; | |
1521 | 6787 nmatched = vim_regexec_multi(&shl->rm, win, shl->buf, lnum, matchcol, |
6788 #ifdef FEAT_RELTIME | |
6789 &(shl->tm) | |
6790 #else | |
6791 NULL | |
6792 #endif | |
6793 ); | |
7 | 6794 if (called_emsg) |
6795 { | |
6796 /* Error while handling regexp: stop using this regexp. */ | |
1112 | 6797 if (shl == &search_hl) |
6798 { | |
1326 | 6799 /* don't free regprog in the match list, it's a copy */ |
1112 | 6800 vim_free(shl->rm.regprog); |
6801 no_hlsearch = TRUE; | |
6802 } | |
7 | 6803 shl->rm.regprog = NULL; |
1112 | 6804 shl->lnum = 0; |
6805 got_int = FALSE; /* avoid the "Type :quit to exit Vim" message */ | |
7 | 6806 break; |
6807 } | |
6808 if (nmatched == 0) | |
6809 { | |
6810 shl->lnum = 0; /* no match found */ | |
6811 break; | |
6812 } | |
6813 if (shl->rm.startpos[0].lnum > 0 | |
6814 || shl->rm.startpos[0].col >= mincol | |
6815 || nmatched > 1 | |
6816 || shl->rm.endpos[0].col > mincol) | |
6817 { | |
6818 shl->lnum += shl->rm.startpos[0].lnum; | |
6819 break; /* useful match found */ | |
6820 } | |
6821 } | |
6822 } | |
6823 #endif | |
6824 | |
6825 static void | |
6826 screen_start_highlight(attr) | |
6827 int attr; | |
6828 { | |
6829 attrentry_T *aep = NULL; | |
6830 | |
6831 screen_attr = attr; | |
6832 if (full_screen | |
6833 #ifdef WIN3264 | |
6834 && termcap_active | |
6835 #endif | |
6836 ) | |
6837 { | |
6838 #ifdef FEAT_GUI | |
6839 if (gui.in_use) | |
6840 { | |
6841 char buf[20]; | |
6842 | |
681 | 6843 /* The GUI handles this internally. */ |
6844 sprintf(buf, IF_EB("\033|%dh", ESC_STR "|%dh"), attr); | |
7 | 6845 OUT_STR(buf); |
6846 } | |
6847 else | |
6848 #endif | |
6849 { | |
6850 if (attr > HL_ALL) /* special HL attr. */ | |
6851 { | |
6852 if (t_colors > 1) | |
6853 aep = syn_cterm_attr2entry(attr); | |
6854 else | |
6855 aep = syn_term_attr2entry(attr); | |
6856 if (aep == NULL) /* did ":syntax clear" */ | |
6857 attr = 0; | |
6858 else | |
6859 attr = aep->ae_attr; | |
6860 } | |
6861 if ((attr & HL_BOLD) && T_MD != NULL) /* bold */ | |
6862 out_str(T_MD); | |
681 | 6863 else if (aep != NULL && t_colors > 1 && aep->ae_u.cterm.fg_color |
6864 && cterm_normal_fg_bold) | |
6865 /* If the Normal FG color has BOLD attribute and the new HL | |
6866 * has a FG color defined, clear BOLD. */ | |
6867 out_str(T_ME); | |
7 | 6868 if ((attr & HL_STANDOUT) && T_SO != NULL) /* standout */ |
6869 out_str(T_SO); | |
205 | 6870 if ((attr & (HL_UNDERLINE | HL_UNDERCURL)) && T_US != NULL) |
6871 /* underline or undercurl */ | |
7 | 6872 out_str(T_US); |
6873 if ((attr & HL_ITALIC) && T_CZH != NULL) /* italic */ | |
6874 out_str(T_CZH); | |
6875 if ((attr & HL_INVERSE) && T_MR != NULL) /* inverse (reverse) */ | |
6876 out_str(T_MR); | |
6877 | |
6878 /* | |
6879 * Output the color or start string after bold etc., in case the | |
6880 * bold etc. override the color setting. | |
6881 */ | |
6882 if (aep != NULL) | |
6883 { | |
6884 if (t_colors > 1) | |
6885 { | |
6886 if (aep->ae_u.cterm.fg_color) | |
6887 term_fg_color(aep->ae_u.cterm.fg_color - 1); | |
6888 if (aep->ae_u.cterm.bg_color) | |
6889 term_bg_color(aep->ae_u.cterm.bg_color - 1); | |
6890 } | |
6891 else | |
6892 { | |
6893 if (aep->ae_u.term.start != NULL) | |
6894 out_str(aep->ae_u.term.start); | |
6895 } | |
6896 } | |
6897 } | |
6898 } | |
6899 } | |
6900 | |
6901 void | |
6902 screen_stop_highlight() | |
6903 { | |
6904 int do_ME = FALSE; /* output T_ME code */ | |
6905 | |
6906 if (screen_attr != 0 | |
6907 #ifdef WIN3264 | |
6908 && termcap_active | |
6909 #endif | |
6910 ) | |
6911 { | |
6912 #ifdef FEAT_GUI | |
6913 if (gui.in_use) | |
6914 { | |
6915 char buf[20]; | |
6916 | |
6917 /* use internal GUI code */ | |
6918 sprintf(buf, IF_EB("\033|%dH", ESC_STR "|%dH"), screen_attr); | |
6919 OUT_STR(buf); | |
6920 } | |
6921 else | |
6922 #endif | |
6923 { | |
6924 if (screen_attr > HL_ALL) /* special HL attr. */ | |
6925 { | |
6926 attrentry_T *aep; | |
6927 | |
6928 if (t_colors > 1) | |
6929 { | |
6930 /* | |
6931 * Assume that t_me restores the original colors! | |
6932 */ | |
6933 aep = syn_cterm_attr2entry(screen_attr); | |
6934 if (aep != NULL && (aep->ae_u.cterm.fg_color | |
6935 || aep->ae_u.cterm.bg_color)) | |
6936 do_ME = TRUE; | |
6937 } | |
6938 else | |
6939 { | |
6940 aep = syn_term_attr2entry(screen_attr); | |
6941 if (aep != NULL && aep->ae_u.term.stop != NULL) | |
6942 { | |
6943 if (STRCMP(aep->ae_u.term.stop, T_ME) == 0) | |
6944 do_ME = TRUE; | |
6945 else | |
6946 out_str(aep->ae_u.term.stop); | |
6947 } | |
6948 } | |
6949 if (aep == NULL) /* did ":syntax clear" */ | |
6950 screen_attr = 0; | |
6951 else | |
6952 screen_attr = aep->ae_attr; | |
6953 } | |
6954 | |
6955 /* | |
6956 * Often all ending-codes are equal to T_ME. Avoid outputting the | |
6957 * same sequence several times. | |
6958 */ | |
6959 if (screen_attr & HL_STANDOUT) | |
6960 { | |
6961 if (STRCMP(T_SE, T_ME) == 0) | |
6962 do_ME = TRUE; | |
6963 else | |
6964 out_str(T_SE); | |
6965 } | |
205 | 6966 if (screen_attr & (HL_UNDERLINE | HL_UNDERCURL)) |
7 | 6967 { |
6968 if (STRCMP(T_UE, T_ME) == 0) | |
6969 do_ME = TRUE; | |
6970 else | |
6971 out_str(T_UE); | |
6972 } | |
6973 if (screen_attr & HL_ITALIC) | |
6974 { | |
6975 if (STRCMP(T_CZR, T_ME) == 0) | |
6976 do_ME = TRUE; | |
6977 else | |
6978 out_str(T_CZR); | |
6979 } | |
6980 if (do_ME || (screen_attr & (HL_BOLD | HL_INVERSE))) | |
6981 out_str(T_ME); | |
6982 | |
6983 if (t_colors > 1) | |
6984 { | |
6985 /* set Normal cterm colors */ | |
6986 if (cterm_normal_fg_color != 0) | |
6987 term_fg_color(cterm_normal_fg_color - 1); | |
6988 if (cterm_normal_bg_color != 0) | |
6989 term_bg_color(cterm_normal_bg_color - 1); | |
6990 if (cterm_normal_fg_bold) | |
6991 out_str(T_MD); | |
6992 } | |
6993 } | |
6994 } | |
6995 screen_attr = 0; | |
6996 } | |
6997 | |
6998 /* | |
6999 * Reset the colors for a cterm. Used when leaving Vim. | |
7000 * The machine specific code may override this again. | |
7001 */ | |
7002 void | |
7003 reset_cterm_colors() | |
7004 { | |
7005 if (t_colors > 1) | |
7006 { | |
7007 /* set Normal cterm colors */ | |
7008 if (cterm_normal_fg_color > 0 || cterm_normal_bg_color > 0) | |
7009 { | |
7010 out_str(T_OP); | |
7011 screen_attr = -1; | |
7012 } | |
7013 if (cterm_normal_fg_bold) | |
7014 { | |
7015 out_str(T_ME); | |
7016 screen_attr = -1; | |
7017 } | |
7018 } | |
7019 } | |
7020 | |
7021 /* | |
7022 * Put character ScreenLines["off"] on the screen at position "row" and "col", | |
7023 * using the attributes from ScreenAttrs["off"]. | |
7024 */ | |
7025 static void | |
7026 screen_char(off, row, col) | |
7027 unsigned off; | |
7028 int row; | |
7029 int col; | |
7030 { | |
7031 int attr; | |
7032 | |
7033 /* Check for illegal values, just in case (could happen just after | |
7034 * resizing). */ | |
7035 if (row >= screen_Rows || col >= screen_Columns) | |
7036 return; | |
7037 | |
7038 /* Outputting the last character on the screen may scrollup the screen. | |
7039 * Don't to it! Mark the character invalid (update it when scrolled up) */ | |
7040 if (row == screen_Rows - 1 && col == screen_Columns - 1 | |
7041 #ifdef FEAT_RIGHTLEFT | |
7042 /* account for first command-line character in rightleft mode */ | |
7043 && !cmdmsg_rl | |
7044 #endif | |
7045 ) | |
7046 { | |
7047 ScreenAttrs[off] = (sattr_T)-1; | |
7048 return; | |
7049 } | |
7050 | |
7051 /* | |
7052 * Stop highlighting first, so it's easier to move the cursor. | |
7053 */ | |
7054 #if defined(FEAT_CLIPBOARD) || defined(FEAT_VERTSPLIT) | |
7055 if (screen_char_attr != 0) | |
7056 attr = screen_char_attr; | |
7057 else | |
7058 #endif | |
7059 attr = ScreenAttrs[off]; | |
7060 if (screen_attr != attr) | |
7061 screen_stop_highlight(); | |
7062 | |
7063 windgoto(row, col); | |
7064 | |
7065 if (screen_attr != attr) | |
7066 screen_start_highlight(attr); | |
7067 | |
7068 #ifdef FEAT_MBYTE | |
7069 if (enc_utf8 && ScreenLinesUC[off] != 0) | |
7070 { | |
7071 char_u buf[MB_MAXBYTES + 1]; | |
7072 | |
7073 /* Convert UTF-8 character to bytes and write it. */ | |
7074 | |
7075 buf[utfc_char2bytes(off, buf)] = NUL; | |
7076 | |
7077 out_str(buf); | |
7078 if (utf_char2cells(ScreenLinesUC[off]) > 1) | |
7079 ++screen_cur_col; | |
7080 } | |
7081 else | |
7082 #endif | |
7083 { | |
7084 #ifdef FEAT_MBYTE | |
7085 out_flush_check(); | |
7086 #endif | |
7087 out_char(ScreenLines[off]); | |
7088 #ifdef FEAT_MBYTE | |
7089 /* double-byte character in single-width cell */ | |
7090 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) | |
7091 out_char(ScreenLines2[off]); | |
7092 #endif | |
7093 } | |
7094 | |
7095 screen_cur_col++; | |
7096 } | |
7097 | |
7098 #ifdef FEAT_MBYTE | |
7099 | |
7100 /* | |
7101 * Used for enc_dbcs only: Put one double-wide character at ScreenLines["off"] | |
7102 * on the screen at position 'row' and 'col'. | |
7103 * The attributes of the first byte is used for all. This is required to | |
7104 * output the two bytes of a double-byte character with nothing in between. | |
7105 */ | |
7106 static void | |
7107 screen_char_2(off, row, col) | |
7108 unsigned off; | |
7109 int row; | |
7110 int col; | |
7111 { | |
7112 /* Check for illegal values (could be wrong when screen was resized). */ | |
7113 if (off + 1 >= (unsigned)(screen_Rows * screen_Columns)) | |
7114 return; | |
7115 | |
7116 /* Outputting the last character on the screen may scrollup the screen. | |
7117 * Don't to it! Mark the character invalid (update it when scrolled up) */ | |
7118 if (row == screen_Rows - 1 && col >= screen_Columns - 2) | |
7119 { | |
7120 ScreenAttrs[off] = (sattr_T)-1; | |
7121 return; | |
7122 } | |
7123 | |
7124 /* Output the first byte normally (positions the cursor), then write the | |
7125 * second byte directly. */ | |
7126 screen_char(off, row, col); | |
7127 out_char(ScreenLines[off + 1]); | |
7128 ++screen_cur_col; | |
7129 } | |
7130 #endif | |
7131 | |
7132 #if defined(FEAT_CLIPBOARD) || defined(FEAT_VERTSPLIT) || defined(PROTO) | |
7133 /* | |
7134 * Draw a rectangle of the screen, inverted when "invert" is TRUE. | |
7135 * This uses the contents of ScreenLines[] and doesn't change it. | |
7136 */ | |
7137 void | |
7138 screen_draw_rectangle(row, col, height, width, invert) | |
7139 int row; | |
7140 int col; | |
7141 int height; | |
7142 int width; | |
7143 int invert; | |
7144 { | |
7145 int r, c; | |
7146 int off; | |
1378 | 7147 #ifdef FEAT_MBYTE |
7148 int max_off; | |
7149 #endif | |
7 | 7150 |
534 | 7151 /* Can't use ScreenLines unless initialized */ |
7152 if (ScreenLines == NULL) | |
7153 return; | |
7154 | |
7 | 7155 if (invert) |
7156 screen_char_attr = HL_INVERSE; | |
7157 for (r = row; r < row + height; ++r) | |
7158 { | |
7159 off = LineOffset[r]; | |
1378 | 7160 #ifdef FEAT_MBYTE |
7161 max_off = off + screen_Columns; | |
7162 #endif | |
7 | 7163 for (c = col; c < col + width; ++c) |
7164 { | |
7165 #ifdef FEAT_MBYTE | |
1378 | 7166 if (enc_dbcs != 0 && dbcs_off2cells(off + c, max_off) > 1) |
7 | 7167 { |
7168 screen_char_2(off + c, r, c); | |
7169 ++c; | |
7170 } | |
7171 else | |
7172 #endif | |
7173 { | |
7174 screen_char(off + c, r, c); | |
7175 #ifdef FEAT_MBYTE | |
1378 | 7176 if (utf_off2cells(off + c, max_off) > 1) |
7 | 7177 ++c; |
7178 #endif | |
7179 } | |
7180 } | |
7181 } | |
7182 screen_char_attr = 0; | |
7183 } | |
7184 #endif | |
7185 | |
7186 #ifdef FEAT_VERTSPLIT | |
7187 /* | |
7188 * Redraw the characters for a vertically split window. | |
7189 */ | |
7190 static void | |
7191 redraw_block(row, end, wp) | |
7192 int row; | |
7193 int end; | |
7194 win_T *wp; | |
7195 { | |
7196 int col; | |
7197 int width; | |
7198 | |
7199 # ifdef FEAT_CLIPBOARD | |
7200 clip_may_clear_selection(row, end - 1); | |
7201 # endif | |
7202 | |
7203 if (wp == NULL) | |
7204 { | |
7205 col = 0; | |
7206 width = Columns; | |
7207 } | |
7208 else | |
7209 { | |
7210 col = wp->w_wincol; | |
7211 width = wp->w_width; | |
7212 } | |
7213 screen_draw_rectangle(row, col, end - row, width, FALSE); | |
7214 } | |
7215 #endif | |
7216 | |
7217 /* | |
7218 * Fill the screen from 'start_row' to 'end_row', from 'start_col' to 'end_col' | |
7219 * with character 'c1' in first column followed by 'c2' in the other columns. | |
7220 * Use attributes 'attr'. | |
7221 */ | |
7222 void | |
7223 screen_fill(start_row, end_row, start_col, end_col, c1, c2, attr) | |
7224 int start_row, end_row; | |
7225 int start_col, end_col; | |
7226 int c1, c2; | |
7227 int attr; | |
7228 { | |
7229 int row; | |
7230 int col; | |
7231 int off; | |
7232 int end_off; | |
7233 int did_delete; | |
7234 int c; | |
7235 int norm_term; | |
7236 #if defined(FEAT_GUI) || defined(UNIX) | |
7237 int force_next = FALSE; | |
7238 #endif | |
7239 | |
7240 if (end_row > screen_Rows) /* safety check */ | |
7241 end_row = screen_Rows; | |
7242 if (end_col > screen_Columns) /* safety check */ | |
7243 end_col = screen_Columns; | |
7244 if (ScreenLines == NULL | |
7245 || start_row >= end_row | |
7246 || start_col >= end_col) /* nothing to do */ | |
7247 return; | |
7248 | |
7249 /* it's a "normal" terminal when not in a GUI or cterm */ | |
7250 norm_term = ( | |
7251 #ifdef FEAT_GUI | |
7252 !gui.in_use && | |
7253 #endif | |
7254 t_colors <= 1); | |
7255 for (row = start_row; row < end_row; ++row) | |
7256 { | |
1668 | 7257 #ifdef FEAT_MBYTE |
7258 if (has_mbyte | |
7259 # ifdef FEAT_GUI | |
7260 && !gui.in_use | |
7261 # endif | |
7262 ) | |
7263 { | |
7264 /* When drawing over the right halve of a double-wide char clear | |
7265 * out the left halve. When drawing over the left halve of a | |
7266 * double wide-char clear out the right halve. Only needed in a | |
7267 * terminal. */ | |
1685 | 7268 if (start_col > 0 && mb_fix_col(start_col, row) != start_col) |
1670 | 7269 screen_puts_len((char_u *)" ", 1, row, start_col - 1, 0); |
1677 | 7270 if (end_col < screen_Columns && mb_fix_col(end_col, row) != end_col) |
1670 | 7271 screen_puts_len((char_u *)" ", 1, row, end_col, 0); |
1668 | 7272 } |
7273 #endif | |
7 | 7274 /* |
7275 * Try to use delete-line termcap code, when no attributes or in a | |
7276 * "normal" terminal, where a bold/italic space is just a | |
7277 * space. | |
7278 */ | |
7279 did_delete = FALSE; | |
7280 if (c2 == ' ' | |
7281 && end_col == Columns | |
7282 && can_clear(T_CE) | |
7283 && (attr == 0 | |
7284 || (norm_term | |
7285 && attr <= HL_ALL | |
7286 && ((attr & ~(HL_BOLD | HL_ITALIC)) == 0)))) | |
7287 { | |
7288 /* | |
7289 * check if we really need to clear something | |
7290 */ | |
7291 col = start_col; | |
7292 if (c1 != ' ') /* don't clear first char */ | |
7293 ++col; | |
7294 | |
7295 off = LineOffset[row] + col; | |
7296 end_off = LineOffset[row] + end_col; | |
7297 | |
7298 /* skip blanks (used often, keep it fast!) */ | |
7299 #ifdef FEAT_MBYTE | |
7300 if (enc_utf8) | |
7301 while (off < end_off && ScreenLines[off] == ' ' | |
7302 && ScreenAttrs[off] == 0 && ScreenLinesUC[off] == 0) | |
7303 ++off; | |
7304 else | |
7305 #endif | |
7306 while (off < end_off && ScreenLines[off] == ' ' | |
7307 && ScreenAttrs[off] == 0) | |
7308 ++off; | |
7309 if (off < end_off) /* something to be cleared */ | |
7310 { | |
7311 col = off - LineOffset[row]; | |
7312 screen_stop_highlight(); | |
7313 term_windgoto(row, col);/* clear rest of this screen line */ | |
7314 out_str(T_CE); | |
7315 screen_start(); /* don't know where cursor is now */ | |
7316 col = end_col - col; | |
7317 while (col--) /* clear chars in ScreenLines */ | |
7318 { | |
7319 ScreenLines[off] = ' '; | |
7320 #ifdef FEAT_MBYTE | |
7321 if (enc_utf8) | |
7322 ScreenLinesUC[off] = 0; | |
7323 #endif | |
7324 ScreenAttrs[off] = 0; | |
7325 ++off; | |
7326 } | |
7327 } | |
7328 did_delete = TRUE; /* the chars are cleared now */ | |
7329 } | |
7330 | |
7331 off = LineOffset[row] + start_col; | |
7332 c = c1; | |
7333 for (col = start_col; col < end_col; ++col) | |
7334 { | |
7335 if (ScreenLines[off] != c | |
7336 #ifdef FEAT_MBYTE | |
714 | 7337 || (enc_utf8 && (int)ScreenLinesUC[off] |
7338 != (c >= 0x80 ? c : 0)) | |
7 | 7339 #endif |
7340 || ScreenAttrs[off] != attr | |
7341 #if defined(FEAT_GUI) || defined(UNIX) | |
7342 || force_next | |
7343 #endif | |
7344 ) | |
7345 { | |
7346 #if defined(FEAT_GUI) || defined(UNIX) | |
7347 /* The bold trick may make a single row of pixels appear in | |
7348 * the next character. When a bold character is removed, the | |
7349 * next character should be redrawn too. This happens for our | |
7350 * own GUI and for some xterms. */ | |
7351 if ( | |
7352 # ifdef FEAT_GUI | |
7353 gui.in_use | |
7354 # endif | |
7355 # if defined(FEAT_GUI) && defined(UNIX) | |
7356 || | |
7357 # endif | |
7358 # ifdef UNIX | |
7359 term_is_xterm | |
7360 # endif | |
7361 ) | |
7362 { | |
7363 if (ScreenLines[off] != ' ' | |
7364 && (ScreenAttrs[off] > HL_ALL | |
7365 || ScreenAttrs[off] & HL_BOLD)) | |
7366 force_next = TRUE; | |
7367 else | |
7368 force_next = FALSE; | |
7369 } | |
7370 #endif | |
7371 ScreenLines[off] = c; | |
7372 #ifdef FEAT_MBYTE | |
7373 if (enc_utf8) | |
7374 { | |
7375 if (c >= 0x80) | |
7376 { | |
7377 ScreenLinesUC[off] = c; | |
714 | 7378 ScreenLinesC[0][off] = 0; |
7 | 7379 } |
7380 else | |
7381 ScreenLinesUC[off] = 0; | |
7382 } | |
7383 #endif | |
7384 ScreenAttrs[off] = attr; | |
7385 if (!did_delete || c != ' ') | |
7386 screen_char(off, row, col); | |
7387 } | |
7388 ++off; | |
7389 if (col == start_col) | |
7390 { | |
7391 if (did_delete) | |
7392 break; | |
7393 c = c2; | |
7394 } | |
7395 } | |
7396 if (end_col == Columns) | |
7397 LineWraps[row] = FALSE; | |
7398 if (row == Rows - 1) /* overwritten the command line */ | |
7399 { | |
7400 redraw_cmdline = TRUE; | |
7401 if (c1 == ' ' && c2 == ' ') | |
7402 clear_cmdline = FALSE; /* command line has been cleared */ | |
644 | 7403 if (start_col == 0) |
7404 mode_displayed = FALSE; /* mode cleared or overwritten */ | |
7 | 7405 } |
7406 } | |
7407 } | |
7408 | |
7409 /* | |
7410 * Check if there should be a delay. Used before clearing or redrawing the | |
7411 * screen or the command line. | |
7412 */ | |
7413 void | |
7414 check_for_delay(check_msg_scroll) | |
7415 int check_msg_scroll; | |
7416 { | |
7417 if ((emsg_on_display || (check_msg_scroll && msg_scroll)) | |
7418 && !did_wait_return | |
7419 && emsg_silent == 0) | |
7420 { | |
7421 out_flush(); | |
7422 ui_delay(1000L, TRUE); | |
7423 emsg_on_display = FALSE; | |
7424 if (check_msg_scroll) | |
7425 msg_scroll = FALSE; | |
7426 } | |
7427 } | |
7428 | |
7429 /* | |
7430 * screen_valid - allocate screen buffers if size changed | |
7431 * If "clear" is TRUE: clear screen if it has been resized. | |
7432 * Returns TRUE if there is a valid screen to write to. | |
7433 * Returns FALSE when starting up and screen not initialized yet. | |
7434 */ | |
7435 int | |
7436 screen_valid(clear) | |
7437 int clear; | |
7438 { | |
7439 screenalloc(clear); /* allocate screen buffers if size changed */ | |
7440 return (ScreenLines != NULL); | |
7441 } | |
7442 | |
7443 /* | |
7444 * Resize the shell to Rows and Columns. | |
7445 * Allocate ScreenLines[] and associated items. | |
7446 * | |
7447 * There may be some time between setting Rows and Columns and (re)allocating | |
7448 * ScreenLines[]. This happens when starting up and when (manually) changing | |
7449 * the shell size. Always use screen_Rows and screen_Columns to access items | |
7450 * in ScreenLines[]. Use Rows and Columns for positioning text etc. where the | |
7451 * final size of the shell is needed. | |
7452 */ | |
7453 void | |
7454 screenalloc(clear) | |
7455 int clear; | |
7456 { | |
7457 int new_row, old_row; | |
7458 #ifdef FEAT_GUI | |
7459 int old_Rows; | |
7460 #endif | |
7461 win_T *wp; | |
7462 int outofmem = FALSE; | |
7463 int len; | |
7464 schar_T *new_ScreenLines; | |
7465 #ifdef FEAT_MBYTE | |
7466 u8char_T *new_ScreenLinesUC = NULL; | |
714 | 7467 u8char_T *new_ScreenLinesC[MAX_MCO]; |
7 | 7468 schar_T *new_ScreenLines2 = NULL; |
714 | 7469 int i; |
7 | 7470 #endif |
7471 sattr_T *new_ScreenAttrs; | |
7472 unsigned *new_LineOffset; | |
7473 char_u *new_LineWraps; | |
671 | 7474 #ifdef FEAT_WINDOWS |
681 | 7475 short *new_TabPageIdxs; |
671 | 7476 tabpage_T *tp; |
7477 #endif | |
7 | 7478 static int entered = FALSE; /* avoid recursiveness */ |
944 | 7479 static int done_outofmem_msg = FALSE; /* did outofmem message */ |
1824 | 7480 #ifdef FEAT_AUTOCMD |
7481 int retry_count = 0; | |
7482 | |
7483 retry: | |
7484 #endif | |
7 | 7485 /* |
7486 * Allocation of the screen buffers is done only when the size changes and | |
7487 * when Rows and Columns have been set and we have started doing full | |
7488 * screen stuff. | |
7489 */ | |
7490 if ((ScreenLines != NULL | |
7491 && Rows == screen_Rows | |
7492 && Columns == screen_Columns | |
7493 #ifdef FEAT_MBYTE | |
7494 && enc_utf8 == (ScreenLinesUC != NULL) | |
7495 && (enc_dbcs == DBCS_JPNU) == (ScreenLines2 != NULL) | |
714 | 7496 && p_mco == Screen_mco |
7 | 7497 #endif |
7498 ) | |
7499 || Rows == 0 | |
7500 || Columns == 0 | |
7501 || (!full_screen && ScreenLines == NULL)) | |
7502 return; | |
7503 | |
7504 /* | |
7505 * It's possible that we produce an out-of-memory message below, which | |
7506 * will cause this function to be called again. To break the loop, just | |
7507 * return here. | |
7508 */ | |
7509 if (entered) | |
7510 return; | |
7511 entered = TRUE; | |
7512 | |
911 | 7513 /* |
7514 * Note that the window sizes are updated before reallocating the arrays, | |
7515 * thus we must not redraw here! | |
7516 */ | |
7517 ++RedrawingDisabled; | |
7518 | |
7 | 7519 win_new_shellsize(); /* fit the windows in the new sized shell */ |
7520 | |
7521 comp_col(); /* recompute columns for shown command and ruler */ | |
7522 | |
7523 /* | |
7524 * We're changing the size of the screen. | |
7525 * - Allocate new arrays for ScreenLines and ScreenAttrs. | |
7526 * - Move lines from the old arrays into the new arrays, clear extra | |
7527 * lines (unless the screen is going to be cleared). | |
7528 * - Free the old arrays. | |
7529 * | |
7530 * If anything fails, make ScreenLines NULL, so we don't do anything! | |
7531 * Continuing with the old ScreenLines may result in a crash, because the | |
7532 * size is wrong. | |
7533 */ | |
671 | 7534 FOR_ALL_TAB_WINDOWS(tp, wp) |
7 | 7535 win_free_lsize(wp); |
1946 | 7536 #ifdef FEAT_AUTOCMD |
7537 if (aucmd_win != NULL) | |
7538 win_free_lsize(aucmd_win); | |
7539 #endif | |
7 | 7540 |
7541 new_ScreenLines = (schar_T *)lalloc((long_u)( | |
7542 (Rows + 1) * Columns * sizeof(schar_T)), FALSE); | |
7543 #ifdef FEAT_MBYTE | |
2122
476336a5ae95
updated for version 7.2.404
Bram Moolenaar <bram@zimbu.org>
parents:
2069
diff
changeset
|
7544 vim_memset(new_ScreenLinesC, 0, sizeof(u8char_T *) * MAX_MCO); |
7 | 7545 if (enc_utf8) |
7546 { | |
7547 new_ScreenLinesUC = (u8char_T *)lalloc((long_u)( | |
7548 (Rows + 1) * Columns * sizeof(u8char_T)), FALSE); | |
714 | 7549 for (i = 0; i < p_mco; ++i) |
2124
dc8a5699253b
updated for version 7.2.406
Bram Moolenaar <bram@zimbu.org>
parents:
2122
diff
changeset
|
7550 new_ScreenLinesC[i] = (u8char_T *)lalloc_clear((long_u)( |
7 | 7551 (Rows + 1) * Columns * sizeof(u8char_T)), FALSE); |
7552 } | |
7553 if (enc_dbcs == DBCS_JPNU) | |
7554 new_ScreenLines2 = (schar_T *)lalloc((long_u)( | |
7555 (Rows + 1) * Columns * sizeof(schar_T)), FALSE); | |
7556 #endif | |
7557 new_ScreenAttrs = (sattr_T *)lalloc((long_u)( | |
7558 (Rows + 1) * Columns * sizeof(sattr_T)), FALSE); | |
7559 new_LineOffset = (unsigned *)lalloc((long_u)( | |
7560 Rows * sizeof(unsigned)), FALSE); | |
7561 new_LineWraps = (char_u *)lalloc((long_u)(Rows * sizeof(char_u)), FALSE); | |
671 | 7562 #ifdef FEAT_WINDOWS |
681 | 7563 new_TabPageIdxs = (short *)lalloc((long_u)(Columns * sizeof(short)), FALSE); |
671 | 7564 #endif |
7 | 7565 |
677 | 7566 FOR_ALL_TAB_WINDOWS(tp, wp) |
7 | 7567 { |
7568 if (win_alloc_lines(wp) == FAIL) | |
7569 { | |
7570 outofmem = TRUE; | |
7571 #ifdef FEAT_WINDOWS | |
1819 | 7572 goto give_up; |
7573 #endif | |
7574 } | |
7575 } | |
1906 | 7576 #ifdef FEAT_AUTOCMD |
1946 | 7577 if (aucmd_win != NULL && aucmd_win->w_lines == NULL |
7578 && win_alloc_lines(aucmd_win) == FAIL) | |
1906 | 7579 outofmem = TRUE; |
7580 #endif | |
1819 | 7581 #ifdef FEAT_WINDOWS |
7582 give_up: | |
7583 #endif | |
7 | 7584 |
714 | 7585 #ifdef FEAT_MBYTE |
7586 for (i = 0; i < p_mco; ++i) | |
7587 if (new_ScreenLinesC[i] == NULL) | |
7588 break; | |
7589 #endif | |
7 | 7590 if (new_ScreenLines == NULL |
7591 #ifdef FEAT_MBYTE | |
714 | 7592 || (enc_utf8 && (new_ScreenLinesUC == NULL || i != p_mco)) |
7 | 7593 || (enc_dbcs == DBCS_JPNU && new_ScreenLines2 == NULL) |
7594 #endif | |
7595 || new_ScreenAttrs == NULL | |
7596 || new_LineOffset == NULL | |
7597 || new_LineWraps == NULL | |
671 | 7598 #ifdef FEAT_WINDOWS |
7599 || new_TabPageIdxs == NULL | |
7600 #endif | |
7 | 7601 || outofmem) |
7602 { | |
944 | 7603 if (ScreenLines != NULL || !done_outofmem_msg) |
534 | 7604 { |
7605 /* guess the size */ | |
7606 do_outofmem_msg((long_u)((Rows + 1) * Columns)); | |
7607 | |
7608 /* Remember we did this to avoid getting outofmem messages over | |
7609 * and over again. */ | |
944 | 7610 done_outofmem_msg = TRUE; |
534 | 7611 } |
7 | 7612 vim_free(new_ScreenLines); |
7613 new_ScreenLines = NULL; | |
7614 #ifdef FEAT_MBYTE | |
7615 vim_free(new_ScreenLinesUC); | |
7616 new_ScreenLinesUC = NULL; | |
714 | 7617 for (i = 0; i < p_mco; ++i) |
7618 { | |
7619 vim_free(new_ScreenLinesC[i]); | |
7620 new_ScreenLinesC[i] = NULL; | |
7621 } | |
7 | 7622 vim_free(new_ScreenLines2); |
7623 new_ScreenLines2 = NULL; | |
7624 #endif | |
7625 vim_free(new_ScreenAttrs); | |
7626 new_ScreenAttrs = NULL; | |
7627 vim_free(new_LineOffset); | |
7628 new_LineOffset = NULL; | |
7629 vim_free(new_LineWraps); | |
7630 new_LineWraps = NULL; | |
671 | 7631 #ifdef FEAT_WINDOWS |
7632 vim_free(new_TabPageIdxs); | |
7633 new_TabPageIdxs = NULL; | |
7634 #endif | |
7 | 7635 } |
7636 else | |
7637 { | |
944 | 7638 done_outofmem_msg = FALSE; |
534 | 7639 |
7 | 7640 for (new_row = 0; new_row < Rows; ++new_row) |
7641 { | |
7642 new_LineOffset[new_row] = new_row * Columns; | |
7643 new_LineWraps[new_row] = FALSE; | |
7644 | |
7645 /* | |
7646 * If the screen is not going to be cleared, copy as much as | |
7647 * possible from the old screen to the new one and clear the rest | |
7648 * (used when resizing the window at the "--more--" prompt or when | |
7649 * executing an external command, for the GUI). | |
7650 */ | |
7651 if (!clear) | |
7652 { | |
7653 (void)vim_memset(new_ScreenLines + new_row * Columns, | |
7654 ' ', (size_t)Columns * sizeof(schar_T)); | |
7655 #ifdef FEAT_MBYTE | |
7656 if (enc_utf8) | |
7657 { | |
7658 (void)vim_memset(new_ScreenLinesUC + new_row * Columns, | |
7659 0, (size_t)Columns * sizeof(u8char_T)); | |
714 | 7660 for (i = 0; i < p_mco; ++i) |
7661 (void)vim_memset(new_ScreenLinesC[i] | |
7662 + new_row * Columns, | |
7 | 7663 0, (size_t)Columns * sizeof(u8char_T)); |
7664 } | |
7665 if (enc_dbcs == DBCS_JPNU) | |
7666 (void)vim_memset(new_ScreenLines2 + new_row * Columns, | |
7667 0, (size_t)Columns * sizeof(schar_T)); | |
7668 #endif | |
7669 (void)vim_memset(new_ScreenAttrs + new_row * Columns, | |
7670 0, (size_t)Columns * sizeof(sattr_T)); | |
7671 old_row = new_row + (screen_Rows - Rows); | |
534 | 7672 if (old_row >= 0 && ScreenLines != NULL) |
7 | 7673 { |
7674 if (screen_Columns < Columns) | |
7675 len = screen_Columns; | |
7676 else | |
7677 len = Columns; | |
26 | 7678 #ifdef FEAT_MBYTE |
571 | 7679 /* When switching to utf-8 don't copy characters, they |
714 | 7680 * may be invalid now. Also when p_mco changes. */ |
7681 if (!(enc_utf8 && ScreenLinesUC == NULL) | |
7682 && p_mco == Screen_mco) | |
26 | 7683 #endif |
7684 mch_memmove(new_ScreenLines + new_LineOffset[new_row], | |
7685 ScreenLines + LineOffset[old_row], | |
7686 (size_t)len * sizeof(schar_T)); | |
7 | 7687 #ifdef FEAT_MBYTE |
714 | 7688 if (enc_utf8 && ScreenLinesUC != NULL |
7689 && p_mco == Screen_mco) | |
7 | 7690 { |
7691 mch_memmove(new_ScreenLinesUC + new_LineOffset[new_row], | |
7692 ScreenLinesUC + LineOffset[old_row], | |
7693 (size_t)len * sizeof(u8char_T)); | |
714 | 7694 for (i = 0; i < p_mco; ++i) |
7695 mch_memmove(new_ScreenLinesC[i] | |
7696 + new_LineOffset[new_row], | |
7697 ScreenLinesC[i] + LineOffset[old_row], | |
7 | 7698 (size_t)len * sizeof(u8char_T)); |
7699 } | |
7700 if (enc_dbcs == DBCS_JPNU && ScreenLines2 != NULL) | |
7701 mch_memmove(new_ScreenLines2 + new_LineOffset[new_row], | |
7702 ScreenLines2 + LineOffset[old_row], | |
7703 (size_t)len * sizeof(schar_T)); | |
7704 #endif | |
7705 mch_memmove(new_ScreenAttrs + new_LineOffset[new_row], | |
7706 ScreenAttrs + LineOffset[old_row], | |
7707 (size_t)len * sizeof(sattr_T)); | |
7708 } | |
7709 } | |
7710 } | |
7711 /* Use the last line of the screen for the current line. */ | |
7712 current_ScreenLine = new_ScreenLines + Rows * Columns; | |
7713 } | |
7714 | |
356 | 7715 free_screenlines(); |
7716 | |
7 | 7717 ScreenLines = new_ScreenLines; |
7718 #ifdef FEAT_MBYTE | |
7719 ScreenLinesUC = new_ScreenLinesUC; | |
714 | 7720 for (i = 0; i < p_mco; ++i) |
7721 ScreenLinesC[i] = new_ScreenLinesC[i]; | |
7722 Screen_mco = p_mco; | |
7 | 7723 ScreenLines2 = new_ScreenLines2; |
7724 #endif | |
7725 ScreenAttrs = new_ScreenAttrs; | |
7726 LineOffset = new_LineOffset; | |
7727 LineWraps = new_LineWraps; | |
671 | 7728 #ifdef FEAT_WINDOWS |
7729 TabPageIdxs = new_TabPageIdxs; | |
7730 #endif | |
7 | 7731 |
7732 /* It's important that screen_Rows and screen_Columns reflect the actual | |
7733 * size of ScreenLines[]. Set them before calling anything. */ | |
7734 #ifdef FEAT_GUI | |
7735 old_Rows = screen_Rows; | |
7736 #endif | |
7737 screen_Rows = Rows; | |
7738 screen_Columns = Columns; | |
7739 | |
7740 must_redraw = CLEAR; /* need to clear the screen later */ | |
7741 if (clear) | |
7742 screenclear2(); | |
7743 | |
7744 #ifdef FEAT_GUI | |
7745 else if (gui.in_use | |
7746 && !gui.starting | |
7747 && ScreenLines != NULL | |
7748 && old_Rows != Rows) | |
7749 { | |
7750 (void)gui_redraw_block(0, 0, (int)Rows - 1, (int)Columns - 1, 0); | |
7751 /* | |
7752 * Adjust the position of the cursor, for when executing an external | |
7753 * command. | |
7754 */ | |
7755 if (msg_row >= Rows) /* Rows got smaller */ | |
7756 msg_row = Rows - 1; /* put cursor at last row */ | |
7757 else if (Rows > old_Rows) /* Rows got bigger */ | |
7758 msg_row += Rows - old_Rows; /* put cursor in same place */ | |
7759 if (msg_col >= Columns) /* Columns got smaller */ | |
7760 msg_col = Columns - 1; /* put cursor at last column */ | |
7761 } | |
7762 #endif | |
7763 | |
7764 entered = FALSE; | |
911 | 7765 --RedrawingDisabled; |
766 | 7766 |
7767 #ifdef FEAT_AUTOCMD | |
1824 | 7768 /* |
7769 * Do not apply autocommands more than 3 times to avoid an endless loop | |
7770 * in case applying autocommands always changes Rows or Columns. | |
7771 */ | |
7772 if (starting == 0 && ++retry_count <= 3) | |
7773 { | |
766 | 7774 apply_autocmds(EVENT_VIMRESIZED, NULL, NULL, FALSE, curbuf); |
1824 | 7775 /* In rare cases, autocommands may have altered Rows or Columns, |
7776 * jump back to check if we need to allocate the screen again. */ | |
7777 goto retry; | |
7778 } | |
766 | 7779 #endif |
7 | 7780 } |
7781 | |
7782 void | |
356 | 7783 free_screenlines() |
7784 { | |
7785 #ifdef FEAT_MBYTE | |
714 | 7786 int i; |
7787 | |
356 | 7788 vim_free(ScreenLinesUC); |
714 | 7789 for (i = 0; i < Screen_mco; ++i) |
7790 vim_free(ScreenLinesC[i]); | |
356 | 7791 vim_free(ScreenLines2); |
7792 #endif | |
714 | 7793 vim_free(ScreenLines); |
356 | 7794 vim_free(ScreenAttrs); |
7795 vim_free(LineOffset); | |
7796 vim_free(LineWraps); | |
671 | 7797 #ifdef FEAT_WINDOWS |
7798 vim_free(TabPageIdxs); | |
7799 #endif | |
356 | 7800 } |
7801 | |
7802 void | |
7 | 7803 screenclear() |
7804 { | |
7805 check_for_delay(FALSE); | |
7806 screenalloc(FALSE); /* allocate screen buffers if size changed */ | |
7807 screenclear2(); /* clear the screen */ | |
7808 } | |
7809 | |
7810 static void | |
7811 screenclear2() | |
7812 { | |
7813 int i; | |
7814 | |
7815 if (starting == NO_SCREEN || ScreenLines == NULL | |
7816 #ifdef FEAT_GUI | |
7817 || (gui.in_use && gui.starting) | |
7818 #endif | |
7819 ) | |
7820 return; | |
7821 | |
7822 #ifdef FEAT_GUI | |
7823 if (!gui.in_use) | |
7824 #endif | |
7825 screen_attr = -1; /* force setting the Normal colors */ | |
7826 screen_stop_highlight(); /* don't want highlighting here */ | |
7827 | |
7828 #ifdef FEAT_CLIPBOARD | |
7829 /* disable selection without redrawing it */ | |
7830 clip_scroll_selection(9999); | |
7831 #endif | |
7832 | |
7833 /* blank out ScreenLines */ | |
7834 for (i = 0; i < Rows; ++i) | |
7835 { | |
7836 lineclear(LineOffset[i], (int)Columns); | |
7837 LineWraps[i] = FALSE; | |
7838 } | |
7839 | |
7840 if (can_clear(T_CL)) | |
7841 { | |
7842 out_str(T_CL); /* clear the display */ | |
7843 clear_cmdline = FALSE; | |
644 | 7844 mode_displayed = FALSE; |
7 | 7845 } |
7846 else | |
7847 { | |
7848 /* can't clear the screen, mark all chars with invalid attributes */ | |
7849 for (i = 0; i < Rows; ++i) | |
7850 lineinvalid(LineOffset[i], (int)Columns); | |
7851 clear_cmdline = TRUE; | |
7852 } | |
7853 | |
7854 screen_cleared = TRUE; /* can use contents of ScreenLines now */ | |
7855 | |
7856 win_rest_invalid(firstwin); | |
7857 redraw_cmdline = TRUE; | |
670 | 7858 #ifdef FEAT_WINDOWS |
673 | 7859 redraw_tabline = TRUE; |
670 | 7860 #endif |
7 | 7861 if (must_redraw == CLEAR) /* no need to clear again */ |
7862 must_redraw = NOT_VALID; | |
7863 compute_cmdrow(); | |
7864 msg_row = cmdline_row; /* put cursor on last line for messages */ | |
7865 msg_col = 0; | |
7866 screen_start(); /* don't know where cursor is now */ | |
7867 msg_scrolled = 0; /* can't scroll back */ | |
7868 msg_didany = FALSE; | |
7869 msg_didout = FALSE; | |
7870 } | |
7871 | |
7872 /* | |
7873 * Clear one line in ScreenLines. | |
7874 */ | |
7875 static void | |
7876 lineclear(off, width) | |
7877 unsigned off; | |
7878 int width; | |
7879 { | |
7880 (void)vim_memset(ScreenLines + off, ' ', (size_t)width * sizeof(schar_T)); | |
7881 #ifdef FEAT_MBYTE | |
7882 if (enc_utf8) | |
7883 (void)vim_memset(ScreenLinesUC + off, 0, | |
7884 (size_t)width * sizeof(u8char_T)); | |
7885 #endif | |
7886 (void)vim_memset(ScreenAttrs + off, 0, (size_t)width * sizeof(sattr_T)); | |
7887 } | |
7888 | |
7889 /* | |
7890 * Mark one line in ScreenLines invalid by setting the attributes to an | |
7891 * invalid value. | |
7892 */ | |
7893 static void | |
7894 lineinvalid(off, width) | |
7895 unsigned off; | |
7896 int width; | |
7897 { | |
7898 (void)vim_memset(ScreenAttrs + off, -1, (size_t)width * sizeof(sattr_T)); | |
7899 } | |
7900 | |
7901 #ifdef FEAT_VERTSPLIT | |
7902 /* | |
7903 * Copy part of a Screenline for vertically split window "wp". | |
7904 */ | |
7905 static void | |
7906 linecopy(to, from, wp) | |
7907 int to; | |
7908 int from; | |
7909 win_T *wp; | |
7910 { | |
7911 unsigned off_to = LineOffset[to] + wp->w_wincol; | |
7912 unsigned off_from = LineOffset[from] + wp->w_wincol; | |
7913 | |
7914 mch_memmove(ScreenLines + off_to, ScreenLines + off_from, | |
7915 wp->w_width * sizeof(schar_T)); | |
7916 # ifdef FEAT_MBYTE | |
7917 if (enc_utf8) | |
7918 { | |
714 | 7919 int i; |
7920 | |
7 | 7921 mch_memmove(ScreenLinesUC + off_to, ScreenLinesUC + off_from, |
7922 wp->w_width * sizeof(u8char_T)); | |
714 | 7923 for (i = 0; i < p_mco; ++i) |
7924 mch_memmove(ScreenLinesC[i] + off_to, ScreenLinesC[i] + off_from, | |
7925 wp->w_width * sizeof(u8char_T)); | |
7 | 7926 } |
7927 if (enc_dbcs == DBCS_JPNU) | |
7928 mch_memmove(ScreenLines2 + off_to, ScreenLines2 + off_from, | |
7929 wp->w_width * sizeof(schar_T)); | |
7930 # endif | |
7931 mch_memmove(ScreenAttrs + off_to, ScreenAttrs + off_from, | |
7932 wp->w_width * sizeof(sattr_T)); | |
7933 } | |
7934 #endif | |
7935 | |
7936 /* | |
7937 * Return TRUE if clearing with term string "p" would work. | |
7938 * It can't work when the string is empty or it won't set the right background. | |
7939 */ | |
7940 int | |
7941 can_clear(p) | |
7942 char_u *p; | |
7943 { | |
7944 return (*p != NUL && (t_colors <= 1 | |
7945 #ifdef FEAT_GUI | |
7946 || gui.in_use | |
7947 #endif | |
7948 || cterm_normal_bg_color == 0 || *T_UT != NUL)); | |
7949 } | |
7950 | |
7951 /* | |
7952 * Reset cursor position. Use whenever cursor was moved because of outputting | |
7953 * something directly to the screen (shell commands) or a terminal control | |
7954 * code. | |
7955 */ | |
7956 void | |
7957 screen_start() | |
7958 { | |
7959 screen_cur_row = screen_cur_col = 9999; | |
7960 } | |
7961 | |
7962 /* | |
7963 * Move the cursor to position "row","col" in the screen. | |
7964 * This tries to find the most efficient way to move, minimizing the number of | |
7965 * characters sent to the terminal. | |
7966 */ | |
7967 void | |
7968 windgoto(row, col) | |
7969 int row; | |
7970 int col; | |
7971 { | |
205 | 7972 sattr_T *p; |
7 | 7973 int i; |
7974 int plan; | |
7975 int cost; | |
7976 int wouldbe_col; | |
7977 int noinvcurs; | |
7978 char_u *bs; | |
7979 int goto_cost; | |
7980 int attr; | |
7981 | |
1213 | 7982 #define GOTO_COST 7 /* assume a term_windgoto() takes about 7 chars */ |
7 | 7983 #define HIGHL_COST 5 /* assume unhighlight takes 5 chars */ |
7984 | |
7985 #define PLAN_LE 1 | |
7986 #define PLAN_CR 2 | |
7987 #define PLAN_NL 3 | |
7988 #define PLAN_WRITE 4 | |
7989 /* Can't use ScreenLines unless initialized */ | |
7990 if (ScreenLines == NULL) | |
7991 return; | |
7992 | |
7993 if (col != screen_cur_col || row != screen_cur_row) | |
7994 { | |
7995 /* Check for valid position. */ | |
7996 if (row < 0) /* window without text lines? */ | |
7997 row = 0; | |
7998 if (row >= screen_Rows) | |
7999 row = screen_Rows - 1; | |
8000 if (col >= screen_Columns) | |
8001 col = screen_Columns - 1; | |
8002 | |
8003 /* check if no cursor movement is allowed in highlight mode */ | |
8004 if (screen_attr && *T_MS == NUL) | |
8005 noinvcurs = HIGHL_COST; | |
8006 else | |
8007 noinvcurs = 0; | |
8008 goto_cost = GOTO_COST + noinvcurs; | |
8009 | |
8010 /* | |
8011 * Plan how to do the positioning: | |
8012 * 1. Use CR to move it to column 0, same row. | |
8013 * 2. Use T_LE to move it a few columns to the left. | |
8014 * 3. Use NL to move a few lines down, column 0. | |
8015 * 4. Move a few columns to the right with T_ND or by writing chars. | |
8016 * | |
8017 * Don't do this if the cursor went beyond the last column, the cursor | |
8018 * position is unknown then (some terminals wrap, some don't ) | |
8019 * | |
1213 | 8020 * First check if the highlighting attributes allow us to write |
7 | 8021 * characters to move the cursor to the right. |
8022 */ | |
8023 if (row >= screen_cur_row && screen_cur_col < Columns) | |
8024 { | |
8025 /* | |
8026 * If the cursor is in the same row, bigger col, we can use CR | |
8027 * or T_LE. | |
8028 */ | |
8029 bs = NULL; /* init for GCC */ | |
8030 attr = screen_attr; | |
8031 if (row == screen_cur_row && col < screen_cur_col) | |
8032 { | |
8033 /* "le" is preferred over "bc", because "bc" is obsolete */ | |
8034 if (*T_LE) | |
8035 bs = T_LE; /* "cursor left" */ | |
8036 else | |
8037 bs = T_BC; /* "backspace character (old) */ | |
8038 if (*bs) | |
8039 cost = (screen_cur_col - col) * (int)STRLEN(bs); | |
8040 else | |
8041 cost = 999; | |
8042 if (col + 1 < cost) /* using CR is less characters */ | |
8043 { | |
8044 plan = PLAN_CR; | |
8045 wouldbe_col = 0; | |
8046 cost = 1; /* CR is just one character */ | |
8047 } | |
8048 else | |
8049 { | |
8050 plan = PLAN_LE; | |
8051 wouldbe_col = col; | |
8052 } | |
8053 if (noinvcurs) /* will stop highlighting */ | |
8054 { | |
8055 cost += noinvcurs; | |
8056 attr = 0; | |
8057 } | |
8058 } | |
8059 | |
8060 /* | |
8061 * If the cursor is above where we want to be, we can use CR LF. | |
8062 */ | |
8063 else if (row > screen_cur_row) | |
8064 { | |
8065 plan = PLAN_NL; | |
8066 wouldbe_col = 0; | |
8067 cost = (row - screen_cur_row) * 2; /* CR LF */ | |
8068 if (noinvcurs) /* will stop highlighting */ | |
8069 { | |
8070 cost += noinvcurs; | |
8071 attr = 0; | |
8072 } | |
8073 } | |
8074 | |
8075 /* | |
8076 * If the cursor is in the same row, smaller col, just use write. | |
8077 */ | |
8078 else | |
8079 { | |
8080 plan = PLAN_WRITE; | |
8081 wouldbe_col = screen_cur_col; | |
8082 cost = 0; | |
8083 } | |
8084 | |
8085 /* | |
8086 * Check if any characters that need to be written have the | |
8087 * correct attributes. Also avoid UTF-8 characters. | |
8088 */ | |
8089 i = col - wouldbe_col; | |
8090 if (i > 0) | |
8091 cost += i; | |
8092 if (cost < goto_cost && i > 0) | |
8093 { | |
8094 /* | |
8095 * Check if the attributes are correct without additionally | |
8096 * stopping highlighting. | |
8097 */ | |
8098 p = ScreenAttrs + LineOffset[row] + wouldbe_col; | |
8099 while (i && *p++ == attr) | |
8100 --i; | |
8101 if (i != 0) | |
8102 { | |
8103 /* | |
8104 * Try if it works when highlighting is stopped here. | |
8105 */ | |
8106 if (*--p == 0) | |
8107 { | |
8108 cost += noinvcurs; | |
8109 while (i && *p++ == 0) | |
8110 --i; | |
8111 } | |
8112 if (i != 0) | |
8113 cost = 999; /* different attributes, don't do it */ | |
8114 } | |
8115 #ifdef FEAT_MBYTE | |
8116 if (enc_utf8) | |
8117 { | |
8118 /* Don't use an UTF-8 char for positioning, it's slow. */ | |
8119 for (i = wouldbe_col; i < col; ++i) | |
8120 if (ScreenLinesUC[LineOffset[row] + i] != 0) | |
8121 { | |
8122 cost = 999; | |
8123 break; | |
8124 } | |
8125 } | |
8126 #endif | |
8127 } | |
8128 | |
8129 /* | |
8130 * We can do it without term_windgoto()! | |
8131 */ | |
8132 if (cost < goto_cost) | |
8133 { | |
8134 if (plan == PLAN_LE) | |
8135 { | |
8136 if (noinvcurs) | |
8137 screen_stop_highlight(); | |
8138 while (screen_cur_col > col) | |
8139 { | |
8140 out_str(bs); | |
8141 --screen_cur_col; | |
8142 } | |
8143 } | |
8144 else if (plan == PLAN_CR) | |
8145 { | |
8146 if (noinvcurs) | |
8147 screen_stop_highlight(); | |
8148 out_char('\r'); | |
8149 screen_cur_col = 0; | |
8150 } | |
8151 else if (plan == PLAN_NL) | |
8152 { | |
8153 if (noinvcurs) | |
8154 screen_stop_highlight(); | |
8155 while (screen_cur_row < row) | |
8156 { | |
8157 out_char('\n'); | |
8158 ++screen_cur_row; | |
8159 } | |
8160 screen_cur_col = 0; | |
8161 } | |
8162 | |
8163 i = col - screen_cur_col; | |
8164 if (i > 0) | |
8165 { | |
8166 /* | |
8167 * Use cursor-right if it's one character only. Avoids | |
8168 * removing a line of pixels from the last bold char, when | |
8169 * using the bold trick in the GUI. | |
8170 */ | |
8171 if (T_ND[0] != NUL && T_ND[1] == NUL) | |
8172 { | |
8173 while (i-- > 0) | |
8174 out_char(*T_ND); | |
8175 } | |
8176 else | |
8177 { | |
8178 int off; | |
8179 | |
8180 off = LineOffset[row] + screen_cur_col; | |
8181 while (i-- > 0) | |
8182 { | |
8183 if (ScreenAttrs[off] != screen_attr) | |
8184 screen_stop_highlight(); | |
8185 #ifdef FEAT_MBYTE | |
8186 out_flush_check(); | |
8187 #endif | |
8188 out_char(ScreenLines[off]); | |
8189 #ifdef FEAT_MBYTE | |
8190 if (enc_dbcs == DBCS_JPNU | |
8191 && ScreenLines[off] == 0x8e) | |
8192 out_char(ScreenLines2[off]); | |
8193 #endif | |
8194 ++off; | |
8195 } | |
8196 } | |
8197 } | |
8198 } | |
8199 } | |
8200 else | |
8201 cost = 999; | |
8202 | |
8203 if (cost >= goto_cost) | |
8204 { | |
8205 if (noinvcurs) | |
8206 screen_stop_highlight(); | |
8207 if (row == screen_cur_row && (col > screen_cur_col) && | |
8208 *T_CRI != NUL) | |
8209 term_cursor_right(col - screen_cur_col); | |
8210 else | |
8211 term_windgoto(row, col); | |
8212 } | |
8213 screen_cur_row = row; | |
8214 screen_cur_col = col; | |
8215 } | |
8216 } | |
8217 | |
8218 /* | |
8219 * Set cursor to its position in the current window. | |
8220 */ | |
8221 void | |
8222 setcursor() | |
8223 { | |
8224 if (redrawing()) | |
8225 { | |
8226 validate_cursor(); | |
8227 windgoto(W_WINROW(curwin) + curwin->w_wrow, | |
8228 W_WINCOL(curwin) + ( | |
8229 #ifdef FEAT_RIGHTLEFT | |
1545 | 8230 /* With 'rightleft' set and the cursor on a double-wide |
8231 * character, position it on the leftmost column. */ | |
7 | 8232 curwin->w_p_rl ? ((int)W_WIDTH(curwin) - curwin->w_wcol - ( |
8233 # ifdef FEAT_MBYTE | |
1545 | 8234 (has_mbyte |
8235 && (*mb_ptr2cells)(ml_get_cursor()) == 2 | |
8236 && vim_isprintc(gchar_cursor())) ? 2 : | |
7 | 8237 # endif |
8238 1)) : | |
8239 #endif | |
8240 curwin->w_wcol)); | |
8241 } | |
8242 } | |
8243 | |
8244 | |
8245 /* | |
8246 * insert 'line_count' lines at 'row' in window 'wp' | |
8247 * if 'invalid' is TRUE the wp->w_lines[].wl_lnum is invalidated. | |
8248 * if 'mayclear' is TRUE the screen will be cleared if it is faster than | |
8249 * scrolling. | |
8250 * Returns FAIL if the lines are not inserted, OK for success. | |
8251 */ | |
8252 int | |
8253 win_ins_lines(wp, row, line_count, invalid, mayclear) | |
8254 win_T *wp; | |
8255 int row; | |
8256 int line_count; | |
8257 int invalid; | |
8258 int mayclear; | |
8259 { | |
8260 int did_delete; | |
8261 int nextrow; | |
8262 int lastrow; | |
8263 int retval; | |
8264 | |
8265 if (invalid) | |
8266 wp->w_lines_valid = 0; | |
8267 | |
8268 if (wp->w_height < 5) | |
8269 return FAIL; | |
8270 | |
8271 if (line_count > wp->w_height - row) | |
8272 line_count = wp->w_height - row; | |
8273 | |
8274 retval = win_do_lines(wp, row, line_count, mayclear, FALSE); | |
8275 if (retval != MAYBE) | |
8276 return retval; | |
8277 | |
8278 /* | |
8279 * If there is a next window or a status line, we first try to delete the | |
8280 * lines at the bottom to avoid messing what is after the window. | |
8281 * If this fails and there are following windows, don't do anything to avoid | |
8282 * messing up those windows, better just redraw. | |
8283 */ | |
8284 did_delete = FALSE; | |
8285 #ifdef FEAT_WINDOWS | |
8286 if (wp->w_next != NULL || wp->w_status_height) | |
8287 { | |
8288 if (screen_del_lines(0, W_WINROW(wp) + wp->w_height - line_count, | |
8289 line_count, (int)Rows, FALSE, NULL) == OK) | |
8290 did_delete = TRUE; | |
8291 else if (wp->w_next) | |
8292 return FAIL; | |
8293 } | |
8294 #endif | |
8295 /* | |
8296 * if no lines deleted, blank the lines that will end up below the window | |
8297 */ | |
8298 if (!did_delete) | |
8299 { | |
8300 #ifdef FEAT_WINDOWS | |
8301 wp->w_redr_status = TRUE; | |
8302 #endif | |
8303 redraw_cmdline = TRUE; | |
8304 nextrow = W_WINROW(wp) + wp->w_height + W_STATUS_HEIGHT(wp); | |
8305 lastrow = nextrow + line_count; | |
8306 if (lastrow > Rows) | |
8307 lastrow = Rows; | |
8308 screen_fill(nextrow - line_count, lastrow - line_count, | |
8309 W_WINCOL(wp), (int)W_ENDCOL(wp), | |
8310 ' ', ' ', 0); | |
8311 } | |
8312 | |
8313 if (screen_ins_lines(0, W_WINROW(wp) + row, line_count, (int)Rows, NULL) | |
8314 == FAIL) | |
8315 { | |
8316 /* deletion will have messed up other windows */ | |
8317 if (did_delete) | |
8318 { | |
8319 #ifdef FEAT_WINDOWS | |
8320 wp->w_redr_status = TRUE; | |
8321 #endif | |
8322 win_rest_invalid(W_NEXT(wp)); | |
8323 } | |
8324 return FAIL; | |
8325 } | |
8326 | |
8327 return OK; | |
8328 } | |
8329 | |
8330 /* | |
8331 * delete "line_count" window lines at "row" in window "wp" | |
8332 * If "invalid" is TRUE curwin->w_lines[] is invalidated. | |
8333 * If "mayclear" is TRUE the screen will be cleared if it is faster than | |
8334 * scrolling | |
8335 * Return OK for success, FAIL if the lines are not deleted. | |
8336 */ | |
8337 int | |
8338 win_del_lines(wp, row, line_count, invalid, mayclear) | |
8339 win_T *wp; | |
8340 int row; | |
8341 int line_count; | |
8342 int invalid; | |
8343 int mayclear; | |
8344 { | |
8345 int retval; | |
8346 | |
8347 if (invalid) | |
8348 wp->w_lines_valid = 0; | |
8349 | |
8350 if (line_count > wp->w_height - row) | |
8351 line_count = wp->w_height - row; | |
8352 | |
8353 retval = win_do_lines(wp, row, line_count, mayclear, TRUE); | |
8354 if (retval != MAYBE) | |
8355 return retval; | |
8356 | |
8357 if (screen_del_lines(0, W_WINROW(wp) + row, line_count, | |
8358 (int)Rows, FALSE, NULL) == FAIL) | |
8359 return FAIL; | |
8360 | |
8361 #ifdef FEAT_WINDOWS | |
8362 /* | |
8363 * If there are windows or status lines below, try to put them at the | |
8364 * correct place. If we can't do that, they have to be redrawn. | |
8365 */ | |
8366 if (wp->w_next || wp->w_status_height || cmdline_row < Rows - 1) | |
8367 { | |
8368 if (screen_ins_lines(0, W_WINROW(wp) + wp->w_height - line_count, | |
8369 line_count, (int)Rows, NULL) == FAIL) | |
8370 { | |
8371 wp->w_redr_status = TRUE; | |
8372 win_rest_invalid(wp->w_next); | |
8373 } | |
8374 } | |
8375 /* | |
8376 * If this is the last window and there is no status line, redraw the | |
8377 * command line later. | |
8378 */ | |
8379 else | |
8380 #endif | |
8381 redraw_cmdline = TRUE; | |
8382 return OK; | |
8383 } | |
8384 | |
8385 /* | |
8386 * Common code for win_ins_lines() and win_del_lines(). | |
8387 * Returns OK or FAIL when the work has been done. | |
8388 * Returns MAYBE when not finished yet. | |
8389 */ | |
8390 static int | |
8391 win_do_lines(wp, row, line_count, mayclear, del) | |
8392 win_T *wp; | |
8393 int row; | |
8394 int line_count; | |
8395 int mayclear; | |
8396 int del; | |
8397 { | |
8398 int retval; | |
8399 | |
8400 if (!redrawing() || line_count <= 0) | |
8401 return FAIL; | |
8402 | |
8403 /* only a few lines left: redraw is faster */ | |
8404 if (mayclear && Rows - line_count < 5 | |
8405 #ifdef FEAT_VERTSPLIT | |
8406 && wp->w_width == Columns | |
8407 #endif | |
8408 ) | |
8409 { | |
8410 screenclear(); /* will set wp->w_lines_valid to 0 */ | |
8411 return FAIL; | |
8412 } | |
8413 | |
8414 /* | |
8415 * Delete all remaining lines | |
8416 */ | |
8417 if (row + line_count >= wp->w_height) | |
8418 { | |
8419 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + wp->w_height, | |
8420 W_WINCOL(wp), (int)W_ENDCOL(wp), | |
8421 ' ', ' ', 0); | |
8422 return OK; | |
8423 } | |
8424 | |
8425 /* | |
8426 * when scrolling, the message on the command line should be cleared, | |
8427 * otherwise it will stay there forever. | |
8428 */ | |
8429 clear_cmdline = TRUE; | |
8430 | |
8431 /* | |
8432 * If the terminal can set a scroll region, use that. | |
8433 * Always do this in a vertically split window. This will redraw from | |
8434 * ScreenLines[] when t_CV isn't defined. That's faster than using | |
8435 * win_line(). | |
8436 * Don't use a scroll region when we are going to redraw the text, writing | |
8437 * a character in the lower right corner of the scroll region causes a | |
8438 * scroll-up in the DJGPP version. | |
8439 */ | |
8440 if (scroll_region | |
8441 #ifdef FEAT_VERTSPLIT | |
8442 || W_WIDTH(wp) != Columns | |
8443 #endif | |
8444 ) | |
8445 { | |
8446 #ifdef FEAT_VERTSPLIT | |
8447 if (scroll_region && (wp->w_width == Columns || *T_CSV != NUL)) | |
8448 #endif | |
8449 scroll_region_set(wp, row); | |
8450 if (del) | |
8451 retval = screen_del_lines(W_WINROW(wp) + row, 0, line_count, | |
8452 wp->w_height - row, FALSE, wp); | |
8453 else | |
8454 retval = screen_ins_lines(W_WINROW(wp) + row, 0, line_count, | |
8455 wp->w_height - row, wp); | |
8456 #ifdef FEAT_VERTSPLIT | |
8457 if (scroll_region && (wp->w_width == Columns || *T_CSV != NUL)) | |
8458 #endif | |
8459 scroll_region_reset(); | |
8460 return retval; | |
8461 } | |
8462 | |
8463 #ifdef FEAT_WINDOWS | |
8464 if (wp->w_next != NULL && p_tf) /* don't delete/insert on fast terminal */ | |
8465 return FAIL; | |
8466 #endif | |
8467 | |
8468 return MAYBE; | |
8469 } | |
8470 | |
8471 /* | |
8472 * window 'wp' and everything after it is messed up, mark it for redraw | |
8473 */ | |
8474 static void | |
8475 win_rest_invalid(wp) | |
8476 win_T *wp; | |
8477 { | |
8478 #ifdef FEAT_WINDOWS | |
8479 while (wp != NULL) | |
8480 #else | |
8481 if (wp != NULL) | |
8482 #endif | |
8483 { | |
8484 redraw_win_later(wp, NOT_VALID); | |
8485 #ifdef FEAT_WINDOWS | |
8486 wp->w_redr_status = TRUE; | |
8487 wp = wp->w_next; | |
8488 #endif | |
8489 } | |
8490 redraw_cmdline = TRUE; | |
8491 } | |
8492 | |
8493 /* | |
8494 * The rest of the routines in this file perform screen manipulations. The | |
8495 * given operation is performed physically on the screen. The corresponding | |
8496 * change is also made to the internal screen image. In this way, the editor | |
8497 * anticipates the effect of editing changes on the appearance of the screen. | |
8498 * That way, when we call screenupdate a complete redraw isn't usually | |
8499 * necessary. Another advantage is that we can keep adding code to anticipate | |
8500 * screen changes, and in the meantime, everything still works. | |
8501 */ | |
8502 | |
8503 /* | |
8504 * types for inserting or deleting lines | |
8505 */ | |
8506 #define USE_T_CAL 1 | |
8507 #define USE_T_CDL 2 | |
8508 #define USE_T_AL 3 | |
8509 #define USE_T_CE 4 | |
8510 #define USE_T_DL 5 | |
8511 #define USE_T_SR 6 | |
8512 #define USE_NL 7 | |
8513 #define USE_T_CD 8 | |
8514 #define USE_REDRAW 9 | |
8515 | |
8516 /* | |
8517 * insert lines on the screen and update ScreenLines[] | |
8518 * 'end' is the line after the scrolled part. Normally it is Rows. | |
8519 * When scrolling region used 'off' is the offset from the top for the region. | |
8520 * 'row' and 'end' are relative to the start of the region. | |
8521 * | |
8522 * return FAIL for failure, OK for success. | |
8523 */ | |
446 | 8524 int |
7 | 8525 screen_ins_lines(off, row, line_count, end, wp) |
8526 int off; | |
8527 int row; | |
8528 int line_count; | |
8529 int end; | |
8530 win_T *wp; /* NULL or window to use width from */ | |
8531 { | |
8532 int i; | |
8533 int j; | |
8534 unsigned temp; | |
8535 int cursor_row; | |
8536 int type; | |
8537 int result_empty; | |
8538 int can_ce = can_clear(T_CE); | |
8539 | |
8540 /* | |
8541 * FAIL if | |
8542 * - there is no valid screen | |
8543 * - the screen has to be redrawn completely | |
8544 * - the line count is less than one | |
8545 * - the line count is more than 'ttyscroll' | |
8546 */ | |
8547 if (!screen_valid(TRUE) || line_count <= 0 || line_count > p_ttyscroll) | |
8548 return FAIL; | |
8549 | |
8550 /* | |
8551 * There are seven ways to insert lines: | |
8552 * 0. When in a vertically split window and t_CV isn't set, redraw the | |
8553 * characters from ScreenLines[]. | |
8554 * 1. Use T_CD (clear to end of display) if it exists and the result of | |
8555 * the insert is just empty lines | |
8556 * 2. Use T_CAL (insert multiple lines) if it exists and T_AL is not | |
8557 * present or line_count > 1. It looks better if we do all the inserts | |
8558 * at once. | |
8559 * 3. Use T_CDL (delete multiple lines) if it exists and the result of the | |
8560 * insert is just empty lines and T_CE is not present or line_count > | |
8561 * 1. | |
8562 * 4. Use T_AL (insert line) if it exists. | |
8563 * 5. Use T_CE (erase line) if it exists and the result of the insert is | |
8564 * just empty lines. | |
8565 * 6. Use T_DL (delete line) if it exists and the result of the insert is | |
8566 * just empty lines. | |
8567 * 7. Use T_SR (scroll reverse) if it exists and inserting at row 0 and | |
8568 * the 'da' flag is not set or we have clear line capability. | |
8569 * 8. redraw the characters from ScreenLines[]. | |
8570 * | |
8571 * Careful: In a hpterm scroll reverse doesn't work as expected, it moves | |
8572 * the scrollbar for the window. It does have insert line, use that if it | |
8573 * exists. | |
8574 */ | |
8575 result_empty = (row + line_count >= end); | |
8576 #ifdef FEAT_VERTSPLIT | |
8577 if (wp != NULL && wp->w_width != Columns && *T_CSV == NUL) | |
8578 type = USE_REDRAW; | |
8579 else | |
8580 #endif | |
8581 if (can_clear(T_CD) && result_empty) | |
8582 type = USE_T_CD; | |
8583 else if (*T_CAL != NUL && (line_count > 1 || *T_AL == NUL)) | |
8584 type = USE_T_CAL; | |
8585 else if (*T_CDL != NUL && result_empty && (line_count > 1 || !can_ce)) | |
8586 type = USE_T_CDL; | |
8587 else if (*T_AL != NUL) | |
8588 type = USE_T_AL; | |
8589 else if (can_ce && result_empty) | |
8590 type = USE_T_CE; | |
8591 else if (*T_DL != NUL && result_empty) | |
8592 type = USE_T_DL; | |
8593 else if (*T_SR != NUL && row == 0 && (*T_DA == NUL || can_ce)) | |
8594 type = USE_T_SR; | |
8595 else | |
8596 return FAIL; | |
8597 | |
8598 /* | |
8599 * For clearing the lines screen_del_lines() is used. This will also take | |
8600 * care of t_db if necessary. | |
8601 */ | |
8602 if (type == USE_T_CD || type == USE_T_CDL || | |
8603 type == USE_T_CE || type == USE_T_DL) | |
8604 return screen_del_lines(off, row, line_count, end, FALSE, wp); | |
8605 | |
8606 /* | |
8607 * If text is retained below the screen, first clear or delete as many | |
8608 * lines at the bottom of the window as are about to be inserted so that | |
8609 * the deleted lines won't later surface during a screen_del_lines. | |
8610 */ | |
8611 if (*T_DB) | |
8612 screen_del_lines(off, end - line_count, line_count, end, FALSE, wp); | |
8613 | |
8614 #ifdef FEAT_CLIPBOARD | |
8615 /* Remove a modeless selection when inserting lines halfway the screen | |
8616 * or not the full width of the screen. */ | |
8617 if (off + row > 0 | |
8618 # ifdef FEAT_VERTSPLIT | |
8619 || (wp != NULL && wp->w_width != Columns) | |
8620 # endif | |
8621 ) | |
8622 clip_clear_selection(); | |
8623 else | |
8624 clip_scroll_selection(-line_count); | |
8625 #endif | |
8626 | |
8627 #ifdef FEAT_GUI | |
8628 /* Don't update the GUI cursor here, ScreenLines[] is invalid until the | |
8629 * scrolling is actually carried out. */ | |
8630 gui_dont_update_cursor(); | |
8631 #endif | |
8632 | |
8633 if (*T_CCS != NUL) /* cursor relative to region */ | |
8634 cursor_row = row; | |
8635 else | |
8636 cursor_row = row + off; | |
8637 | |
8638 /* | |
8639 * Shift LineOffset[] line_count down to reflect the inserted lines. | |
8640 * Clear the inserted lines in ScreenLines[]. | |
8641 */ | |
8642 row += off; | |
8643 end += off; | |
8644 for (i = 0; i < line_count; ++i) | |
8645 { | |
8646 #ifdef FEAT_VERTSPLIT | |
8647 if (wp != NULL && wp->w_width != Columns) | |
8648 { | |
8649 /* need to copy part of a line */ | |
8650 j = end - 1 - i; | |
8651 while ((j -= line_count) >= row) | |
8652 linecopy(j + line_count, j, wp); | |
8653 j += line_count; | |
8654 if (can_clear((char_u *)" ")) | |
8655 lineclear(LineOffset[j] + wp->w_wincol, wp->w_width); | |
8656 else | |
8657 lineinvalid(LineOffset[j] + wp->w_wincol, wp->w_width); | |
8658 LineWraps[j] = FALSE; | |
8659 } | |
8660 else | |
8661 #endif | |
8662 { | |
8663 j = end - 1 - i; | |
8664 temp = LineOffset[j]; | |
8665 while ((j -= line_count) >= row) | |
8666 { | |
8667 LineOffset[j + line_count] = LineOffset[j]; | |
8668 LineWraps[j + line_count] = LineWraps[j]; | |
8669 } | |
8670 LineOffset[j + line_count] = temp; | |
8671 LineWraps[j + line_count] = FALSE; | |
8672 if (can_clear((char_u *)" ")) | |
8673 lineclear(temp, (int)Columns); | |
8674 else | |
8675 lineinvalid(temp, (int)Columns); | |
8676 } | |
8677 } | |
8678 | |
8679 screen_stop_highlight(); | |
8680 windgoto(cursor_row, 0); | |
8681 | |
8682 #ifdef FEAT_VERTSPLIT | |
8683 /* redraw the characters */ | |
8684 if (type == USE_REDRAW) | |
8685 redraw_block(row, end, wp); | |
8686 else | |
8687 #endif | |
8688 if (type == USE_T_CAL) | |
8689 { | |
8690 term_append_lines(line_count); | |
8691 screen_start(); /* don't know where cursor is now */ | |
8692 } | |
8693 else | |
8694 { | |
8695 for (i = 0; i < line_count; i++) | |
8696 { | |
8697 if (type == USE_T_AL) | |
8698 { | |
8699 if (i && cursor_row != 0) | |
8700 windgoto(cursor_row, 0); | |
8701 out_str(T_AL); | |
8702 } | |
8703 else /* type == USE_T_SR */ | |
8704 out_str(T_SR); | |
8705 screen_start(); /* don't know where cursor is now */ | |
8706 } | |
8707 } | |
8708 | |
8709 /* | |
8710 * With scroll-reverse and 'da' flag set we need to clear the lines that | |
8711 * have been scrolled down into the region. | |
8712 */ | |
8713 if (type == USE_T_SR && *T_DA) | |
8714 { | |
8715 for (i = 0; i < line_count; ++i) | |
8716 { | |
8717 windgoto(off + i, 0); | |
8718 out_str(T_CE); | |
8719 screen_start(); /* don't know where cursor is now */ | |
8720 } | |
8721 } | |
8722 | |
8723 #ifdef FEAT_GUI | |
8724 gui_can_update_cursor(); | |
8725 if (gui.in_use) | |
8726 out_flush(); /* always flush after a scroll */ | |
8727 #endif | |
8728 return OK; | |
8729 } | |
8730 | |
8731 /* | |
8732 * delete lines on the screen and update ScreenLines[] | |
8733 * 'end' is the line after the scrolled part. Normally it is Rows. | |
8734 * When scrolling region used 'off' is the offset from the top for the region. | |
8735 * 'row' and 'end' are relative to the start of the region. | |
8736 * | |
8737 * Return OK for success, FAIL if the lines are not deleted. | |
8738 */ | |
8739 int | |
8740 screen_del_lines(off, row, line_count, end, force, wp) | |
8741 int off; | |
8742 int row; | |
8743 int line_count; | |
8744 int end; | |
8745 int force; /* even when line_count > p_ttyscroll */ | |
1883 | 8746 win_T *wp UNUSED; /* NULL or window to use width from */ |
7 | 8747 { |
8748 int j; | |
8749 int i; | |
8750 unsigned temp; | |
8751 int cursor_row; | |
8752 int cursor_end; | |
8753 int result_empty; /* result is empty until end of region */ | |
8754 int can_delete; /* deleting line codes can be used */ | |
8755 int type; | |
8756 | |
8757 /* | |
8758 * FAIL if | |
8759 * - there is no valid screen | |
8760 * - the screen has to be redrawn completely | |
8761 * - the line count is less than one | |
8762 * - the line count is more than 'ttyscroll' | |
8763 */ | |
8764 if (!screen_valid(TRUE) || line_count <= 0 || | |
8765 (!force && line_count > p_ttyscroll)) | |
8766 return FAIL; | |
8767 | |
8768 /* | |
8769 * Check if the rest of the current region will become empty. | |
8770 */ | |
8771 result_empty = row + line_count >= end; | |
8772 | |
8773 /* | |
8774 * We can delete lines only when 'db' flag not set or when 'ce' option | |
8775 * available. | |
8776 */ | |
8777 can_delete = (*T_DB == NUL || can_clear(T_CE)); | |
8778 | |
8779 /* | |
8780 * There are six ways to delete lines: | |
8781 * 0. When in a vertically split window and t_CV isn't set, redraw the | |
8782 * characters from ScreenLines[]. | |
8783 * 1. Use T_CD if it exists and the result is empty. | |
8784 * 2. Use newlines if row == 0 and count == 1 or T_CDL does not exist. | |
8785 * 3. Use T_CDL (delete multiple lines) if it exists and line_count > 1 or | |
8786 * none of the other ways work. | |
8787 * 4. Use T_CE (erase line) if the result is empty. | |
8788 * 5. Use T_DL (delete line) if it exists. | |
8789 * 6. redraw the characters from ScreenLines[]. | |
8790 */ | |
8791 #ifdef FEAT_VERTSPLIT | |
8792 if (wp != NULL && wp->w_width != Columns && *T_CSV == NUL) | |
8793 type = USE_REDRAW; | |
8794 else | |
8795 #endif | |
8796 if (can_clear(T_CD) && result_empty) | |
8797 type = USE_T_CD; | |
8798 #if defined(__BEOS__) && defined(BEOS_DR8) | |
8799 /* | |
8800 * USE_NL does not seem to work in Terminal of DR8 so we set T_DB="" in | |
8801 * its internal termcap... this works okay for tests which test *T_DB != | |
8802 * NUL. It has the disadvantage that the user cannot use any :set t_* | |
8803 * command to get T_DB (back) to empty_option, only :set term=... will do | |
8804 * the trick... | |
8805 * Anyway, this hack will hopefully go away with the next OS release. | |
8806 * (Olaf Seibert) | |
8807 */ | |
8808 else if (row == 0 && T_DB == empty_option | |
8809 && (line_count == 1 || *T_CDL == NUL)) | |
8810 #else | |
8811 else if (row == 0 && ( | |
8812 #ifndef AMIGA | |
8813 /* On the Amiga, somehow '\n' on the last line doesn't always scroll | |
8814 * up, so use delete-line command */ | |
8815 line_count == 1 || | |
8816 #endif | |
8817 *T_CDL == NUL)) | |
8818 #endif | |
8819 type = USE_NL; | |
8820 else if (*T_CDL != NUL && line_count > 1 && can_delete) | |
8821 type = USE_T_CDL; | |
8822 else if (can_clear(T_CE) && result_empty | |
8823 #ifdef FEAT_VERTSPLIT | |
8824 && (wp == NULL || wp->w_width == Columns) | |
8825 #endif | |
8826 ) | |
8827 type = USE_T_CE; | |
8828 else if (*T_DL != NUL && can_delete) | |
8829 type = USE_T_DL; | |
8830 else if (*T_CDL != NUL && can_delete) | |
8831 type = USE_T_CDL; | |
8832 else | |
8833 return FAIL; | |
8834 | |
8835 #ifdef FEAT_CLIPBOARD | |
8836 /* Remove a modeless selection when deleting lines halfway the screen or | |
8837 * not the full width of the screen. */ | |
8838 if (off + row > 0 | |
8839 # ifdef FEAT_VERTSPLIT | |
8840 || (wp != NULL && wp->w_width != Columns) | |
8841 # endif | |
8842 ) | |
8843 clip_clear_selection(); | |
8844 else | |
8845 clip_scroll_selection(line_count); | |
8846 #endif | |
8847 | |
8848 #ifdef FEAT_GUI | |
8849 /* Don't update the GUI cursor here, ScreenLines[] is invalid until the | |
8850 * scrolling is actually carried out. */ | |
8851 gui_dont_update_cursor(); | |
8852 #endif | |
8853 | |
8854 if (*T_CCS != NUL) /* cursor relative to region */ | |
8855 { | |
8856 cursor_row = row; | |
8857 cursor_end = end; | |
8858 } | |
8859 else | |
8860 { | |
8861 cursor_row = row + off; | |
8862 cursor_end = end + off; | |
8863 } | |
8864 | |
8865 /* | |
8866 * Now shift LineOffset[] line_count up to reflect the deleted lines. | |
8867 * Clear the inserted lines in ScreenLines[]. | |
8868 */ | |
8869 row += off; | |
8870 end += off; | |
8871 for (i = 0; i < line_count; ++i) | |
8872 { | |
8873 #ifdef FEAT_VERTSPLIT | |
8874 if (wp != NULL && wp->w_width != Columns) | |
8875 { | |
8876 /* need to copy part of a line */ | |
8877 j = row + i; | |
8878 while ((j += line_count) <= end - 1) | |
8879 linecopy(j - line_count, j, wp); | |
8880 j -= line_count; | |
8881 if (can_clear((char_u *)" ")) | |
8882 lineclear(LineOffset[j] + wp->w_wincol, wp->w_width); | |
8883 else | |
8884 lineinvalid(LineOffset[j] + wp->w_wincol, wp->w_width); | |
8885 LineWraps[j] = FALSE; | |
8886 } | |
8887 else | |
8888 #endif | |
8889 { | |
8890 /* whole width, moving the line pointers is faster */ | |
8891 j = row + i; | |
8892 temp = LineOffset[j]; | |
8893 while ((j += line_count) <= end - 1) | |
8894 { | |
8895 LineOffset[j - line_count] = LineOffset[j]; | |
8896 LineWraps[j - line_count] = LineWraps[j]; | |
8897 } | |
8898 LineOffset[j - line_count] = temp; | |
8899 LineWraps[j - line_count] = FALSE; | |
8900 if (can_clear((char_u *)" ")) | |
8901 lineclear(temp, (int)Columns); | |
8902 else | |
8903 lineinvalid(temp, (int)Columns); | |
8904 } | |
8905 } | |
8906 | |
8907 screen_stop_highlight(); | |
8908 | |
8909 #ifdef FEAT_VERTSPLIT | |
8910 /* redraw the characters */ | |
8911 if (type == USE_REDRAW) | |
8912 redraw_block(row, end, wp); | |
8913 else | |
8914 #endif | |
8915 if (type == USE_T_CD) /* delete the lines */ | |
8916 { | |
8917 windgoto(cursor_row, 0); | |
8918 out_str(T_CD); | |
8919 screen_start(); /* don't know where cursor is now */ | |
8920 } | |
8921 else if (type == USE_T_CDL) | |
8922 { | |
8923 windgoto(cursor_row, 0); | |
8924 term_delete_lines(line_count); | |
8925 screen_start(); /* don't know where cursor is now */ | |
8926 } | |
8927 /* | |
8928 * Deleting lines at top of the screen or scroll region: Just scroll | |
8929 * the whole screen (scroll region) up by outputting newlines on the | |
8930 * last line. | |
8931 */ | |
8932 else if (type == USE_NL) | |
8933 { | |
8934 windgoto(cursor_end - 1, 0); | |
8935 for (i = line_count; --i >= 0; ) | |
8936 out_char('\n'); /* cursor will remain on same line */ | |
8937 } | |
8938 else | |
8939 { | |
8940 for (i = line_count; --i >= 0; ) | |
8941 { | |
8942 if (type == USE_T_DL) | |
8943 { | |
8944 windgoto(cursor_row, 0); | |
8945 out_str(T_DL); /* delete a line */ | |
8946 } | |
8947 else /* type == USE_T_CE */ | |
8948 { | |
8949 windgoto(cursor_row + i, 0); | |
8950 out_str(T_CE); /* erase a line */ | |
8951 } | |
8952 screen_start(); /* don't know where cursor is now */ | |
8953 } | |
8954 } | |
8955 | |
8956 /* | |
8957 * If the 'db' flag is set, we need to clear the lines that have been | |
8958 * scrolled up at the bottom of the region. | |
8959 */ | |
8960 if (*T_DB && (type == USE_T_DL || type == USE_T_CDL)) | |
8961 { | |
8962 for (i = line_count; i > 0; --i) | |
8963 { | |
8964 windgoto(cursor_end - i, 0); | |
8965 out_str(T_CE); /* erase a line */ | |
8966 screen_start(); /* don't know where cursor is now */ | |
8967 } | |
8968 } | |
8969 | |
8970 #ifdef FEAT_GUI | |
8971 gui_can_update_cursor(); | |
8972 if (gui.in_use) | |
8973 out_flush(); /* always flush after a scroll */ | |
8974 #endif | |
8975 | |
8976 return OK; | |
8977 } | |
8978 | |
8979 /* | |
8980 * show the current mode and ruler | |
8981 * | |
8982 * If clear_cmdline is TRUE, clear the rest of the cmdline. | |
8983 * If clear_cmdline is FALSE there may be a message there that needs to be | |
8984 * cleared only if a mode is shown. | |
8985 * Return the length of the message (0 if no message). | |
8986 */ | |
8987 int | |
8988 showmode() | |
8989 { | |
8990 int need_clear; | |
8991 int length = 0; | |
8992 int do_mode; | |
8993 int attr; | |
8994 int nwr_save; | |
8995 #ifdef FEAT_INS_EXPAND | |
8996 int sub_attr; | |
8997 #endif | |
8998 | |
642 | 8999 do_mode = ((p_smd && msg_silent == 0) |
9000 && ((State & INSERT) | |
9001 || restart_edit | |
7 | 9002 #ifdef FEAT_VISUAL |
9003 || VIsual_active | |
9004 #endif | |
9005 )); | |
9006 if (do_mode || Recording) | |
9007 { | |
9008 /* | |
9009 * Don't show mode right now, when not redrawing or inside a mapping. | |
9010 * Call char_avail() only when we are going to show something, because | |
9011 * it takes a bit of time. | |
9012 */ | |
9013 if (!redrawing() || (char_avail() && !KeyTyped) || msg_silent != 0) | |
9014 { | |
9015 redraw_cmdline = TRUE; /* show mode later */ | |
9016 return 0; | |
9017 } | |
9018 | |
9019 nwr_save = need_wait_return; | |
9020 | |
9021 /* wait a bit before overwriting an important message */ | |
9022 check_for_delay(FALSE); | |
9023 | |
9024 /* if the cmdline is more than one line high, erase top lines */ | |
9025 need_clear = clear_cmdline; | |
9026 if (clear_cmdline && cmdline_row < Rows - 1) | |
9027 msg_clr_cmdline(); /* will reset clear_cmdline */ | |
9028 | |
9029 /* Position on the last line in the window, column 0 */ | |
9030 msg_pos_mode(); | |
9031 cursor_off(); | |
9032 attr = hl_attr(HLF_CM); /* Highlight mode */ | |
9033 if (do_mode) | |
9034 { | |
9035 MSG_PUTS_ATTR("--", attr); | |
9036 #if defined(FEAT_XIM) | |
1668 | 9037 # if 0 /* old version, changed by SungHyun Nam July 2008 */ |
7 | 9038 if (xic != NULL && im_get_status() && !p_imdisable |
9039 && curbuf->b_p_iminsert == B_IMODE_IM) | |
1668 | 9040 # else |
9041 if ( | |
9042 # ifdef HAVE_GTK2 | |
9043 preedit_get_status() | |
9044 # else | |
9045 im_get_status() | |
9046 # endif | |
9047 ) | |
9048 # endif | |
7 | 9049 # ifdef HAVE_GTK2 /* most of the time, it's not XIM being used */ |
9050 MSG_PUTS_ATTR(" IM", attr); | |
9051 # else | |
9052 MSG_PUTS_ATTR(" XIM", attr); | |
9053 # endif | |
9054 #endif | |
9055 #if defined(FEAT_HANGULIN) && defined(FEAT_GUI) | |
9056 if (gui.in_use) | |
9057 { | |
9058 if (hangul_input_state_get()) | |
236 | 9059 MSG_PUTS_ATTR(" \307\321\261\333", attr); /* HANGUL */ |
7 | 9060 } |
9061 #endif | |
9062 #ifdef FEAT_INS_EXPAND | |
9063 if (edit_submode != NULL) /* CTRL-X in Insert mode */ | |
9064 { | |
9065 /* These messages can get long, avoid a wrap in a narrow | |
9066 * window. Prefer showing edit_submode_extra. */ | |
9067 length = (Rows - msg_row) * Columns - 3; | |
9068 if (edit_submode_extra != NULL) | |
9069 length -= vim_strsize(edit_submode_extra); | |
9070 if (length > 0) | |
9071 { | |
9072 if (edit_submode_pre != NULL) | |
9073 length -= vim_strsize(edit_submode_pre); | |
9074 if (length - vim_strsize(edit_submode) > 0) | |
9075 { | |
9076 if (edit_submode_pre != NULL) | |
9077 msg_puts_attr(edit_submode_pre, attr); | |
9078 msg_puts_attr(edit_submode, attr); | |
9079 } | |
9080 if (edit_submode_extra != NULL) | |
9081 { | |
9082 MSG_PUTS_ATTR(" ", attr); /* add a space in between */ | |
9083 if ((int)edit_submode_highl < (int)HLF_COUNT) | |
9084 sub_attr = hl_attr(edit_submode_highl); | |
9085 else | |
9086 sub_attr = attr; | |
9087 msg_puts_attr(edit_submode_extra, sub_attr); | |
9088 } | |
9089 } | |
9090 length = 0; | |
9091 } | |
9092 else | |
9093 #endif | |
9094 { | |
9095 #ifdef FEAT_VREPLACE | |
9096 if (State & VREPLACE_FLAG) | |
9097 MSG_PUTS_ATTR(_(" VREPLACE"), attr); | |
9098 else | |
9099 #endif | |
9100 if (State & REPLACE_FLAG) | |
9101 MSG_PUTS_ATTR(_(" REPLACE"), attr); | |
9102 else if (State & INSERT) | |
9103 { | |
9104 #ifdef FEAT_RIGHTLEFT | |
9105 if (p_ri) | |
9106 MSG_PUTS_ATTR(_(" REVERSE"), attr); | |
9107 #endif | |
9108 MSG_PUTS_ATTR(_(" INSERT"), attr); | |
9109 } | |
9110 else if (restart_edit == 'I') | |
9111 MSG_PUTS_ATTR(_(" (insert)"), attr); | |
9112 else if (restart_edit == 'R') | |
9113 MSG_PUTS_ATTR(_(" (replace)"), attr); | |
9114 else if (restart_edit == 'V') | |
9115 MSG_PUTS_ATTR(_(" (vreplace)"), attr); | |
9116 #ifdef FEAT_RIGHTLEFT | |
9117 if (p_hkmap) | |
9118 MSG_PUTS_ATTR(_(" Hebrew"), attr); | |
9119 # ifdef FEAT_FKMAP | |
9120 if (p_fkmap) | |
9121 MSG_PUTS_ATTR(farsi_text_5, attr); | |
9122 # endif | |
9123 #endif | |
9124 #ifdef FEAT_KEYMAP | |
9125 if (State & LANGMAP) | |
9126 { | |
9127 # ifdef FEAT_ARABIC | |
9128 if (curwin->w_p_arab) | |
9129 MSG_PUTS_ATTR(_(" Arabic"), attr); | |
9130 else | |
9131 # endif | |
9132 MSG_PUTS_ATTR(_(" (lang)"), attr); | |
9133 } | |
9134 #endif | |
9135 if ((State & INSERT) && p_paste) | |
9136 MSG_PUTS_ATTR(_(" (paste)"), attr); | |
9137 | |
9138 #ifdef FEAT_VISUAL | |
9139 if (VIsual_active) | |
9140 { | |
9141 char *p; | |
9142 | |
9143 /* Don't concatenate separate words to avoid translation | |
9144 * problems. */ | |
9145 switch ((VIsual_select ? 4 : 0) | |
9146 + (VIsual_mode == Ctrl_V) * 2 | |
9147 + (VIsual_mode == 'V')) | |
9148 { | |
9149 case 0: p = N_(" VISUAL"); break; | |
9150 case 1: p = N_(" VISUAL LINE"); break; | |
9151 case 2: p = N_(" VISUAL BLOCK"); break; | |
9152 case 4: p = N_(" SELECT"); break; | |
9153 case 5: p = N_(" SELECT LINE"); break; | |
9154 default: p = N_(" SELECT BLOCK"); break; | |
9155 } | |
9156 MSG_PUTS_ATTR(_(p), attr); | |
9157 } | |
9158 #endif | |
9159 MSG_PUTS_ATTR(" --", attr); | |
9160 } | |
644 | 9161 |
7 | 9162 need_clear = TRUE; |
9163 } | |
9164 if (Recording | |
9165 #ifdef FEAT_INS_EXPAND | |
9166 && edit_submode == NULL /* otherwise it gets too long */ | |
9167 #endif | |
9168 ) | |
9169 { | |
9170 MSG_PUTS_ATTR(_("recording"), attr); | |
9171 need_clear = TRUE; | |
9172 } | |
644 | 9173 |
9174 mode_displayed = TRUE; | |
7 | 9175 if (need_clear || clear_cmdline) |
9176 msg_clr_eos(); | |
9177 msg_didout = FALSE; /* overwrite this message */ | |
9178 length = msg_col; | |
9179 msg_col = 0; | |
9180 need_wait_return = nwr_save; /* never ask for hit-return for this */ | |
9181 } | |
9182 else if (clear_cmdline && msg_silent == 0) | |
9183 /* Clear the whole command line. Will reset "clear_cmdline". */ | |
9184 msg_clr_cmdline(); | |
9185 | |
9186 #ifdef FEAT_CMDL_INFO | |
9187 # ifdef FEAT_VISUAL | |
9188 /* In Visual mode the size of the selected area must be redrawn. */ | |
9189 if (VIsual_active) | |
9190 clear_showcmd(); | |
9191 # endif | |
9192 | |
9193 /* If the last window has no status line, the ruler is after the mode | |
9194 * message and must be redrawn */ | |
9195 if (redrawing() | |
9196 # ifdef FEAT_WINDOWS | |
9197 && lastwin->w_status_height == 0 | |
9198 # endif | |
9199 ) | |
9200 win_redr_ruler(lastwin, TRUE); | |
9201 #endif | |
9202 redraw_cmdline = FALSE; | |
9203 clear_cmdline = FALSE; | |
9204 | |
9205 return length; | |
9206 } | |
9207 | |
9208 /* | |
9209 * Position for a mode message. | |
9210 */ | |
9211 static void | |
9212 msg_pos_mode() | |
9213 { | |
9214 msg_col = 0; | |
9215 msg_row = Rows - 1; | |
9216 } | |
9217 | |
9218 /* | |
9219 * Delete mode message. Used when ESC is typed which is expected to end | |
9220 * Insert mode (but Insert mode didn't end yet!). | |
644 | 9221 * Caller should check "mode_displayed". |
7 | 9222 */ |
9223 void | |
9224 unshowmode(force) | |
9225 int force; | |
9226 { | |
9227 /* | |
2055
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
9228 * Don't delete it right now, when not redrawing or inside a mapping. |
7 | 9229 */ |
9230 if (!redrawing() || (!force && char_avail() && !KeyTyped)) | |
9231 redraw_cmdline = TRUE; /* delete mode later */ | |
9232 else | |
9233 { | |
9234 msg_pos_mode(); | |
9235 if (Recording) | |
9236 MSG_PUTS_ATTR(_("recording"), hl_attr(HLF_CM)); | |
9237 msg_clr_eos(); | |
9238 } | |
9239 } | |
9240 | |
667 | 9241 #if defined(FEAT_WINDOWS) |
9242 /* | |
9243 * Draw the tab pages line at the top of the Vim window. | |
9244 */ | |
9245 static void | |
677 | 9246 draw_tabline() |
667 | 9247 { |
9248 int tabcount = 0; | |
9249 tabpage_T *tp; | |
9250 int tabwidth; | |
9251 int col = 0; | |
673 | 9252 int scol = 0; |
667 | 9253 int attr; |
9254 win_T *wp; | |
671 | 9255 win_T *cwp; |
9256 int wincount; | |
9257 int modified; | |
667 | 9258 int c; |
9259 int len; | |
9260 int attr_sel = hl_attr(HLF_TPS); | |
9261 int attr_nosel = hl_attr(HLF_TP); | |
9262 int attr_fill = hl_attr(HLF_TPF); | |
673 | 9263 char_u *p; |
677 | 9264 int room; |
9265 int use_sep_chars = (t_colors < 8 | |
9266 #ifdef FEAT_GUI | |
9267 && !gui.in_use | |
9268 #endif | |
9269 ); | |
673 | 9270 |
9271 redraw_tabline = FALSE; | |
667 | 9272 |
685 | 9273 #ifdef FEAT_GUI_TABLINE |
798 | 9274 /* Take care of a GUI tabline. */ |
685 | 9275 if (gui_use_tabline()) |
9276 { | |
9277 gui_update_tabline(); | |
9278 return; | |
9279 } | |
9280 #endif | |
9281 | |
9282 if (tabline_height() < 1) | |
667 | 9283 return; |
9284 | |
677 | 9285 #if defined(FEAT_STL_OPT) |
681 | 9286 |
9287 /* Init TabPageIdxs[] to zero: Clicking outside of tabs has no effect. */ | |
9288 for (scol = 0; scol < Columns; ++scol) | |
9289 TabPageIdxs[scol] = 0; | |
9290 | |
677 | 9291 /* Use the 'tabline' option if it's set. */ |
9292 if (*p_tal != NUL) | |
9293 { | |
680 | 9294 int save_called_emsg = called_emsg; |
9295 | |
9296 /* Check for an error. If there is one we would loop in redrawing the | |
9297 * screen. Avoid that by making 'tabline' empty. */ | |
9298 called_emsg = FALSE; | |
677 | 9299 win_redr_custom(NULL, FALSE); |
680 | 9300 if (called_emsg) |
9301 set_string_option_direct((char_u *)"tabline", -1, | |
694 | 9302 (char_u *)"", OPT_FREE, SID_ERROR); |
680 | 9303 called_emsg |= save_called_emsg; |
9304 } | |
9305 else | |
9306 #endif | |
9307 { | |
9308 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next) | |
9309 ++tabcount; | |
9310 | |
9311 tabwidth = (Columns - 1 + tabcount / 2) / tabcount; | |
9312 if (tabwidth < 6) | |
9313 tabwidth = 6; | |
9314 | |
9315 attr = attr_nosel; | |
9316 tabcount = 0; | |
681 | 9317 scol = 0; |
699 | 9318 for (tp = first_tabpage; tp != NULL && col < Columns - 4; |
9319 tp = tp->tp_next) | |
680 | 9320 { |
9321 scol = col; | |
9322 | |
9323 if (tp->tp_topframe == topframe) | |
9324 attr = attr_sel; | |
9325 if (use_sep_chars && col > 0) | |
9326 screen_putchar('|', 0, col++, attr); | |
9327 | |
9328 if (tp->tp_topframe != topframe) | |
9329 attr = attr_nosel; | |
9330 | |
9331 screen_putchar(' ', 0, col++, attr); | |
9332 | |
9333 if (tp == curtab) | |
9334 { | |
9335 cwp = curwin; | |
9336 wp = firstwin; | |
9337 } | |
9338 else | |
9339 { | |
9340 cwp = tp->tp_curwin; | |
9341 wp = tp->tp_firstwin; | |
9342 } | |
9343 | |
9344 modified = FALSE; | |
9345 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount) | |
9346 if (bufIsChanged(wp->w_buffer)) | |
9347 modified = TRUE; | |
9348 if (modified || wincount > 1) | |
9349 { | |
9350 if (wincount > 1) | |
9351 { | |
9352 vim_snprintf((char *)NameBuff, MAXPATHL, "%d", wincount); | |
835 | 9353 len = (int)STRLEN(NameBuff); |
699 | 9354 if (col + len >= Columns - 3) |
9355 break; | |
680 | 9356 screen_puts_len(NameBuff, len, 0, col, |
677 | 9357 #if defined(FEAT_SYN_HL) |
680 | 9358 hl_combine_attr(attr, hl_attr(HLF_T)) |
677 | 9359 #else |
680 | 9360 attr |
9361 #endif | |
9362 ); | |
9363 col += len; | |
9364 } | |
9365 if (modified) | |
9366 screen_puts_len((char_u *)"+", 1, 0, col++, attr); | |
9367 screen_putchar(' ', 0, col++, attr); | |
9368 } | |
9369 | |
9370 room = scol - col + tabwidth - 1; | |
9371 if (room > 0) | |
9372 { | |
685 | 9373 /* Get buffer name in NameBuff[] */ |
9374 get_trans_bufname(cwp->w_buffer); | |
819 | 9375 shorten_dir(NameBuff); |
680 | 9376 len = vim_strsize(NameBuff); |
9377 p = NameBuff; | |
677 | 9378 #ifdef FEAT_MBYTE |
680 | 9379 if (has_mbyte) |
9380 while (len > room) | |
9381 { | |
9382 len -= ptr2cells(p); | |
9383 mb_ptr_adv(p); | |
9384 } | |
9385 else | |
9386 #endif | |
9387 if (len > room) | |
677 | 9388 { |
680 | 9389 p += len - room; |
9390 len = room; | |
677 | 9391 } |
699 | 9392 if (len > Columns - col - 1) |
9393 len = Columns - col - 1; | |
680 | 9394 |
835 | 9395 screen_puts_len(p, (int)STRLEN(p), 0, col, attr); |
680 | 9396 col += len; |
9397 } | |
9398 screen_putchar(' ', 0, col++, attr); | |
9399 | |
9400 /* Store the tab page number in TabPageIdxs[], so that | |
9401 * jump_to_mouse() knows where each one is. */ | |
9402 ++tabcount; | |
9403 while (scol < col) | |
9404 TabPageIdxs[scol++] = tabcount; | |
9405 } | |
9406 | |
9407 if (use_sep_chars) | |
9408 c = '_'; | |
9409 else | |
9410 c = ' '; | |
9411 screen_fill(0, 1, col, (int)Columns, c, c, attr_fill); | |
681 | 9412 |
9413 /* Put an "X" for closing the current tab if there are several. */ | |
9414 if (first_tabpage->tp_next != NULL) | |
9415 { | |
9416 screen_putchar('X', 0, (int)Columns - 1, attr_nosel); | |
9417 TabPageIdxs[Columns - 1] = -999; | |
9418 } | |
9419 } | |
834 | 9420 |
9421 /* Reset the flag here again, in case evaluating 'tabline' causes it to be | |
9422 * set. */ | |
9423 redraw_tabline = FALSE; | |
667 | 9424 } |
685 | 9425 |
9426 /* | |
9427 * Get buffer name for "buf" into NameBuff[]. | |
9428 * Takes care of special buffer names and translates special characters. | |
9429 */ | |
9430 void | |
9431 get_trans_bufname(buf) | |
9432 buf_T *buf; | |
9433 { | |
9434 if (buf_spname(buf) != NULL) | |
9435 STRCPY(NameBuff, buf_spname(buf)); | |
9436 else | |
9437 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); | |
9438 trans_characters(NameBuff, MAXPATHL); | |
9439 } | |
667 | 9440 #endif |
9441 | |
7 | 9442 #if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) |
9443 /* | |
9444 * Get the character to use in a status line. Get its attributes in "*attr". | |
9445 */ | |
9446 static int | |
9447 fillchar_status(attr, is_curwin) | |
9448 int *attr; | |
9449 int is_curwin; | |
9450 { | |
9451 int fill; | |
9452 if (is_curwin) | |
9453 { | |
9454 *attr = hl_attr(HLF_S); | |
9455 fill = fill_stl; | |
9456 } | |
9457 else | |
9458 { | |
9459 *attr = hl_attr(HLF_SNC); | |
9460 fill = fill_stlnc; | |
9461 } | |
9462 /* Use fill when there is highlighting, and highlighting of current | |
9463 * window differs, or the fillchars differ, or this is not the | |
9464 * current window */ | |
9465 if (*attr != 0 && ((hl_attr(HLF_S) != hl_attr(HLF_SNC) | |
9466 || !is_curwin || firstwin == lastwin) | |
9467 || (fill_stl != fill_stlnc))) | |
9468 return fill; | |
9469 if (is_curwin) | |
9470 return '^'; | |
9471 return '='; | |
9472 } | |
9473 #endif | |
9474 | |
9475 #ifdef FEAT_VERTSPLIT | |
9476 /* | |
9477 * Get the character to use in a separator between vertically split windows. | |
9478 * Get its attributes in "*attr". | |
9479 */ | |
9480 static int | |
9481 fillchar_vsep(attr) | |
9482 int *attr; | |
9483 { | |
9484 *attr = hl_attr(HLF_C); | |
9485 if (*attr == 0 && fill_vert == ' ') | |
9486 return '|'; | |
9487 else | |
9488 return fill_vert; | |
9489 } | |
9490 #endif | |
9491 | |
9492 /* | |
9493 * Return TRUE if redrawing should currently be done. | |
9494 */ | |
9495 int | |
9496 redrawing() | |
9497 { | |
9498 return (!RedrawingDisabled | |
9499 && !(p_lz && char_avail() && !KeyTyped && !do_redraw)); | |
9500 } | |
9501 | |
9502 /* | |
9503 * Return TRUE if printing messages should currently be done. | |
9504 */ | |
9505 int | |
9506 messaging() | |
9507 { | |
9508 return (!(p_lz && char_avail() && !KeyTyped)); | |
9509 } | |
9510 | |
9511 /* | |
9512 * Show current status info in ruler and various other places | |
9513 * If always is FALSE, only show ruler if position has changed. | |
9514 */ | |
9515 void | |
9516 showruler(always) | |
9517 int always; | |
9518 { | |
9519 if (!always && !redrawing()) | |
9520 return; | |
574 | 9521 #ifdef FEAT_INS_EXPAND |
9522 if (pum_visible()) | |
9523 { | |
639 | 9524 # ifdef FEAT_WINDOWS |
574 | 9525 /* Don't redraw right now, do it later. */ |
9526 curwin->w_redr_status = TRUE; | |
639 | 9527 # endif |
574 | 9528 return; |
9529 } | |
9530 #endif | |
7 | 9531 #if defined(FEAT_STL_OPT) && defined(FEAT_WINDOWS) |
40 | 9532 if ((*p_stl != NUL || *curwin->w_p_stl != NUL) && curwin->w_status_height) |
680 | 9533 { |
1983 | 9534 redraw_custom_statusline(curwin); |
680 | 9535 } |
7 | 9536 else |
9537 #endif | |
9538 #ifdef FEAT_CMDL_INFO | |
9539 win_redr_ruler(curwin, always); | |
9540 #endif | |
9541 | |
9542 #ifdef FEAT_TITLE | |
9543 if (need_maketitle | |
9544 # ifdef FEAT_STL_OPT | |
9545 || (p_icon && (stl_syntax & STL_IN_ICON)) | |
9546 || (p_title && (stl_syntax & STL_IN_TITLE)) | |
9547 # endif | |
9548 ) | |
9549 maketitle(); | |
9550 #endif | |
1588 | 9551 #ifdef FEAT_WINDOWS |
9552 /* Redraw the tab pages line if needed. */ | |
9553 if (redraw_tabline) | |
9554 draw_tabline(); | |
9555 #endif | |
7 | 9556 } |
9557 | |
9558 #ifdef FEAT_CMDL_INFO | |
9559 static void | |
9560 win_redr_ruler(wp, always) | |
9561 win_T *wp; | |
9562 int always; | |
9563 { | |
1869 | 9564 #define RULER_BUF_LEN 70 |
9565 char_u buffer[RULER_BUF_LEN]; | |
7 | 9566 int row; |
9567 int fillchar; | |
9568 int attr; | |
9569 int empty_line = FALSE; | |
9570 colnr_T virtcol; | |
9571 int i; | |
1869 | 9572 size_t len; |
7 | 9573 int o; |
9574 #ifdef FEAT_VERTSPLIT | |
9575 int this_ru_col; | |
9576 int off = 0; | |
9577 int width = Columns; | |
9578 # define WITH_OFF(x) x | |
9579 # define WITH_WIDTH(x) x | |
9580 #else | |
9581 # define WITH_OFF(x) 0 | |
9582 # define WITH_WIDTH(x) Columns | |
9583 # define this_ru_col ru_col | |
9584 #endif | |
9585 | |
9586 /* If 'ruler' off or redrawing disabled, don't do anything */ | |
9587 if (!p_ru) | |
9588 return; | |
9589 | |
9590 /* | |
9591 * Check if cursor.lnum is valid, since win_redr_ruler() may be called | |
9592 * after deleting lines, before cursor.lnum is corrected. | |
9593 */ | |
9594 if (wp->w_cursor.lnum > wp->w_buffer->b_ml.ml_line_count) | |
9595 return; | |
9596 | |
9597 #ifdef FEAT_INS_EXPAND | |
9598 /* Don't draw the ruler while doing insert-completion, it might overwrite | |
9599 * the (long) mode message. */ | |
9600 # ifdef FEAT_WINDOWS | |
9601 if (wp == lastwin && lastwin->w_status_height == 0) | |
9602 # endif | |
9603 if (edit_submode != NULL) | |
9604 return; | |
540 | 9605 /* Don't draw the ruler when the popup menu is visible, it may overlap. */ |
9606 if (pum_visible()) | |
9607 return; | |
7 | 9608 #endif |
9609 | |
9610 #ifdef FEAT_STL_OPT | |
9611 if (*p_ruf) | |
9612 { | |
680 | 9613 int save_called_emsg = called_emsg; |
9614 | |
9615 called_emsg = FALSE; | |
7 | 9616 win_redr_custom(wp, TRUE); |
680 | 9617 if (called_emsg) |
9618 set_string_option_direct((char_u *)"rulerformat", -1, | |
694 | 9619 (char_u *)"", OPT_FREE, SID_ERROR); |
680 | 9620 called_emsg |= save_called_emsg; |
7 | 9621 return; |
9622 } | |
9623 #endif | |
9624 | |
9625 /* | |
9626 * Check if not in Insert mode and the line is empty (will show "0-1"). | |
9627 */ | |
9628 if (!(State & INSERT) | |
9629 && *ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE) == NUL) | |
9630 empty_line = TRUE; | |
9631 | |
9632 /* | |
9633 * Only draw the ruler when something changed. | |
9634 */ | |
9635 validate_virtcol_win(wp); | |
9636 if ( redraw_cmdline | |
9637 || always | |
9638 || wp->w_cursor.lnum != wp->w_ru_cursor.lnum | |
9639 || wp->w_cursor.col != wp->w_ru_cursor.col | |
9640 || wp->w_virtcol != wp->w_ru_virtcol | |
9641 #ifdef FEAT_VIRTUALEDIT | |
9642 || wp->w_cursor.coladd != wp->w_ru_cursor.coladd | |
9643 #endif | |
9644 || wp->w_topline != wp->w_ru_topline | |
9645 || wp->w_buffer->b_ml.ml_line_count != wp->w_ru_line_count | |
9646 #ifdef FEAT_DIFF | |
9647 || wp->w_topfill != wp->w_ru_topfill | |
9648 #endif | |
9649 || empty_line != wp->w_ru_empty) | |
9650 { | |
9651 cursor_off(); | |
9652 #ifdef FEAT_WINDOWS | |
9653 if (wp->w_status_height) | |
9654 { | |
9655 row = W_WINROW(wp) + wp->w_height; | |
9656 fillchar = fillchar_status(&attr, wp == curwin); | |
9657 # ifdef FEAT_VERTSPLIT | |
9658 off = W_WINCOL(wp); | |
9659 width = W_WIDTH(wp); | |
9660 # endif | |
9661 } | |
9662 else | |
9663 #endif | |
9664 { | |
9665 row = Rows - 1; | |
9666 fillchar = ' '; | |
9667 attr = 0; | |
9668 #ifdef FEAT_VERTSPLIT | |
9669 width = Columns; | |
9670 off = 0; | |
9671 #endif | |
9672 } | |
9673 | |
9674 /* In list mode virtcol needs to be recomputed */ | |
9675 virtcol = wp->w_virtcol; | |
9676 if (wp->w_p_list && lcs_tab1 == NUL) | |
9677 { | |
9678 wp->w_p_list = FALSE; | |
9679 getvvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); | |
9680 wp->w_p_list = TRUE; | |
9681 } | |
9682 | |
9683 /* | |
9684 * Some sprintfs return the length, some return a pointer. | |
9685 * To avoid portability problems we use strlen() here. | |
9686 */ | |
1869 | 9687 vim_snprintf((char *)buffer, RULER_BUF_LEN, "%ld,", |
7 | 9688 (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) |
9689 ? 0L | |
9690 : (long)(wp->w_cursor.lnum)); | |
1869 | 9691 len = STRLEN(buffer); |
9692 col_print(buffer + len, RULER_BUF_LEN - len, | |
7 | 9693 empty_line ? 0 : (int)wp->w_cursor.col + 1, |
9694 (int)virtcol + 1); | |
9695 | |
9696 /* | |
9697 * Add a "50%" if there is room for it. | |
9698 * On the last line, don't print in the last column (scrolls the | |
9699 * screen up on some terminals). | |
9700 */ | |
9701 i = (int)STRLEN(buffer); | |
1869 | 9702 get_rel_pos(wp, buffer + i + 1, RULER_BUF_LEN - i - 1); |
7 | 9703 o = i + vim_strsize(buffer + i + 1); |
9704 #ifdef FEAT_WINDOWS | |
9705 if (wp->w_status_height == 0) /* can't use last char of screen */ | |
9706 #endif | |
9707 ++o; | |
9708 #ifdef FEAT_VERTSPLIT | |
9709 this_ru_col = ru_col - (Columns - width); | |
9710 if (this_ru_col < 0) | |
9711 this_ru_col = 0; | |
9712 #endif | |
9713 /* Never use more than half the window/screen width, leave the other | |
9714 * half for the filename. */ | |
9715 if (this_ru_col < (WITH_WIDTH(width) + 1) / 2) | |
9716 this_ru_col = (WITH_WIDTH(width) + 1) / 2; | |
9717 if (this_ru_col + o < WITH_WIDTH(width)) | |
9718 { | |
9719 while (this_ru_col + o < WITH_WIDTH(width)) | |
9720 { | |
9721 #ifdef FEAT_MBYTE | |
9722 if (has_mbyte) | |
9723 i += (*mb_char2bytes)(fillchar, buffer + i); | |
9724 else | |
9725 #endif | |
9726 buffer[i++] = fillchar; | |
9727 ++o; | |
9728 } | |
1869 | 9729 get_rel_pos(wp, buffer + i, RULER_BUF_LEN - i); |
7 | 9730 } |
9731 /* Truncate at window boundary. */ | |
9732 #ifdef FEAT_MBYTE | |
9733 if (has_mbyte) | |
9734 { | |
9735 o = 0; | |
474 | 9736 for (i = 0; buffer[i] != NUL; i += (*mb_ptr2len)(buffer + i)) |
7 | 9737 { |
9738 o += (*mb_ptr2cells)(buffer + i); | |
9739 if (this_ru_col + o > WITH_WIDTH(width)) | |
9740 { | |
9741 buffer[i] = NUL; | |
9742 break; | |
9743 } | |
9744 } | |
9745 } | |
9746 else | |
9747 #endif | |
9748 if (this_ru_col + (int)STRLEN(buffer) > WITH_WIDTH(width)) | |
9749 buffer[WITH_WIDTH(width) - this_ru_col] = NUL; | |
9750 | |
9751 screen_puts(buffer, row, this_ru_col + WITH_OFF(off), attr); | |
9752 i = redraw_cmdline; | |
9753 screen_fill(row, row + 1, | |
9754 this_ru_col + WITH_OFF(off) + (int)STRLEN(buffer), | |
9755 (int)(WITH_OFF(off) + WITH_WIDTH(width)), | |
9756 fillchar, fillchar, attr); | |
9757 /* don't redraw the cmdline because of showing the ruler */ | |
9758 redraw_cmdline = i; | |
9759 wp->w_ru_cursor = wp->w_cursor; | |
9760 wp->w_ru_virtcol = wp->w_virtcol; | |
9761 wp->w_ru_empty = empty_line; | |
9762 wp->w_ru_topline = wp->w_topline; | |
9763 wp->w_ru_line_count = wp->w_buffer->b_ml.ml_line_count; | |
9764 #ifdef FEAT_DIFF | |
9765 wp->w_ru_topfill = wp->w_topfill; | |
9766 #endif | |
9767 } | |
9768 } | |
9769 #endif | |
13 | 9770 |
9771 #if defined(FEAT_LINEBREAK) || defined(PROTO) | |
9772 /* | |
9773 * Return the width of the 'number' column. | |
677 | 9774 * Caller may need to check if 'number' is set. |
13 | 9775 * Otherwise it depends on 'numberwidth' and the line count. |
9776 */ | |
9777 int | |
9778 number_width(wp) | |
9779 win_T *wp; | |
9780 { | |
9781 int n; | |
9782 linenr_T lnum; | |
9783 | |
9784 lnum = wp->w_buffer->b_ml.ml_line_count; | |
9785 if (lnum == wp->w_nrwidth_line_count) | |
9786 return wp->w_nrwidth_width; | |
9787 wp->w_nrwidth_line_count = lnum; | |
9788 | |
9789 n = 0; | |
9790 do | |
9791 { | |
856 | 9792 lnum /= 10; |
9793 ++n; | |
13 | 9794 } while (lnum > 0); |
9795 | |
9796 /* 'numberwidth' gives the minimal width plus one */ | |
9797 if (n < wp->w_p_nuw - 1) | |
9798 n = wp->w_p_nuw - 1; | |
9799 | |
9800 wp->w_nrwidth_width = n; | |
9801 return n; | |
9802 } | |
9803 #endif |