Mercurial > vim
annotate src/screen.c @ 2243:03a5f2897db3 vim73
Fix completion of file names with '%' and '*'.
author | Bram Moolenaar <bram@vim.org> |
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date | Tue, 01 Jun 2010 21:57:09 +0200 |
parents | 770485470e59 |
children | 1bac28a53fae |
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 | |
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28 * character without composing chars ScreenLinesUC[] will be 0 and |
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29 * ScreenLinesC[][] is not used. When the character occupies two display |
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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 | |
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300 #if defined(FEAT_RUBY) || defined(FEAT_VISUAL) || \ |
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301 (defined(FEAT_CLIPBOARD) && defined(FEAT_X11)) || defined(PROTO) |
7 | 302 /* |
303 * update all windows that are editing the current buffer | |
304 */ | |
305 void | |
306 update_curbuf(type) | |
307 int type; | |
308 { | |
309 redraw_curbuf_later(type); | |
310 update_screen(type); | |
311 } | |
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312 #endif |
7 | 313 |
314 /* | |
315 * update_screen() | |
316 * | |
317 * Based on the current value of curwin->w_topline, transfer a screenfull | |
318 * of stuff from Filemem to ScreenLines[], and update curwin->w_botline. | |
319 */ | |
320 void | |
321 update_screen(type) | |
322 int type; | |
323 { | |
324 win_T *wp; | |
325 static int did_intro = FALSE; | |
326 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) | |
327 int did_one; | |
328 #endif | |
329 | |
2008 | 330 /* Don't do anything if the screen structures are (not yet) valid. */ |
7 | 331 if (!screen_valid(TRUE)) |
332 return; | |
333 | |
334 if (must_redraw) | |
335 { | |
336 if (type < must_redraw) /* use maximal type */ | |
337 type = must_redraw; | |
1331 | 338 |
339 /* must_redraw is reset here, so that when we run into some weird | |
340 * reason to redraw while busy redrawing (e.g., asynchronous | |
341 * scrolling), or update_topline() in win_update() will cause a | |
342 * scroll, the screen will be redrawn later or in win_update(). */ | |
7 | 343 must_redraw = 0; |
344 } | |
345 | |
346 /* Need to update w_lines[]. */ | |
347 if (curwin->w_lines_valid == 0 && type < NOT_VALID) | |
348 type = NOT_VALID; | |
349 | |
2008 | 350 /* Postpone the redrawing when it's not needed and when being called |
351 * recursively. */ | |
352 if (!redrawing() || updating_screen) | |
7 | 353 { |
354 redraw_later(type); /* remember type for next time */ | |
355 must_redraw = type; | |
356 if (type > INVERTED_ALL) | |
357 curwin->w_lines_valid = 0; /* don't use w_lines[].wl_size now */ | |
358 return; | |
359 } | |
360 | |
361 updating_screen = TRUE; | |
362 #ifdef FEAT_SYN_HL | |
363 ++display_tick; /* let syntax code know we're in a next round of | |
364 * display updating */ | |
365 #endif | |
366 | |
367 /* | |
368 * if the screen was scrolled up when displaying a message, scroll it down | |
369 */ | |
370 if (msg_scrolled) | |
371 { | |
372 clear_cmdline = TRUE; | |
373 if (msg_scrolled > Rows - 5) /* clearing is faster */ | |
374 type = CLEAR; | |
375 else if (type != CLEAR) | |
376 { | |
377 check_for_delay(FALSE); | |
378 if (screen_ins_lines(0, 0, msg_scrolled, (int)Rows, NULL) == FAIL) | |
379 type = CLEAR; | |
380 FOR_ALL_WINDOWS(wp) | |
381 { | |
382 if (W_WINROW(wp) < msg_scrolled) | |
383 { | |
384 if (W_WINROW(wp) + wp->w_height > msg_scrolled | |
385 && wp->w_redr_type < REDRAW_TOP | |
386 && wp->w_lines_valid > 0 | |
387 && wp->w_topline == wp->w_lines[0].wl_lnum) | |
388 { | |
389 wp->w_upd_rows = msg_scrolled - W_WINROW(wp); | |
390 wp->w_redr_type = REDRAW_TOP; | |
391 } | |
392 else | |
393 { | |
394 wp->w_redr_type = NOT_VALID; | |
395 #ifdef FEAT_WINDOWS | |
396 if (W_WINROW(wp) + wp->w_height + W_STATUS_HEIGHT(wp) | |
397 <= msg_scrolled) | |
398 wp->w_redr_status = TRUE; | |
399 #endif | |
400 } | |
401 } | |
402 } | |
403 redraw_cmdline = TRUE; | |
667 | 404 #ifdef FEAT_WINDOWS |
673 | 405 redraw_tabline = TRUE; |
667 | 406 #endif |
7 | 407 } |
408 msg_scrolled = 0; | |
409 need_wait_return = FALSE; | |
410 } | |
411 | |
412 /* reset cmdline_row now (may have been changed temporarily) */ | |
413 compute_cmdrow(); | |
414 | |
415 /* Check for changed highlighting */ | |
416 if (need_highlight_changed) | |
417 highlight_changed(); | |
418 | |
419 if (type == CLEAR) /* first clear screen */ | |
420 { | |
421 screenclear(); /* will reset clear_cmdline */ | |
422 type = NOT_VALID; | |
423 } | |
424 | |
425 if (clear_cmdline) /* going to clear cmdline (done below) */ | |
426 check_for_delay(FALSE); | |
427 | |
13 | 428 #ifdef FEAT_LINEBREAK |
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429 /* Force redraw when width of 'number' or 'relativenumber' column |
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430 * changes. */ |
13 | 431 if (curwin->w_redr_type < NOT_VALID |
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432 && curwin->w_nrwidth != ((curwin->w_p_nu || curwin->w_p_rnu) |
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433 ? number_width(curwin) : 0)) |
13 | 434 curwin->w_redr_type = NOT_VALID; |
435 #endif | |
436 | |
7 | 437 /* |
438 * Only start redrawing if there is really something to do. | |
439 */ | |
440 if (type == INVERTED) | |
441 update_curswant(); | |
442 if (curwin->w_redr_type < type | |
443 && !((type == VALID | |
444 && curwin->w_lines[0].wl_valid | |
445 #ifdef FEAT_DIFF | |
446 && curwin->w_topfill == curwin->w_old_topfill | |
447 && curwin->w_botfill == curwin->w_old_botfill | |
448 #endif | |
449 && curwin->w_topline == curwin->w_lines[0].wl_lnum) | |
450 #ifdef FEAT_VISUAL | |
451 || (type == INVERTED | |
1043 | 452 && VIsual_active |
7 | 453 && curwin->w_old_cursor_lnum == curwin->w_cursor.lnum |
454 && curwin->w_old_visual_mode == VIsual_mode | |
455 && (curwin->w_valid & VALID_VIRTCOL) | |
456 && curwin->w_old_curswant == curwin->w_curswant) | |
457 #endif | |
458 )) | |
459 curwin->w_redr_type = type; | |
460 | |
849 | 461 #ifdef FEAT_WINDOWS |
462 /* Redraw the tab pages line if needed. */ | |
463 if (redraw_tabline || type >= NOT_VALID) | |
464 draw_tabline(); | |
465 #endif | |
466 | |
7 | 467 #ifdef FEAT_SYN_HL |
468 /* | |
469 * Correct stored syntax highlighting info for changes in each displayed | |
470 * buffer. Each buffer must only be done once. | |
471 */ | |
472 FOR_ALL_WINDOWS(wp) | |
473 { | |
474 if (wp->w_buffer->b_mod_set) | |
475 { | |
476 # ifdef FEAT_WINDOWS | |
477 win_T *wwp; | |
478 | |
479 /* Check if we already did this buffer. */ | |
480 for (wwp = firstwin; wwp != wp; wwp = wwp->w_next) | |
481 if (wwp->w_buffer == wp->w_buffer) | |
482 break; | |
483 # endif | |
484 if ( | |
485 # ifdef FEAT_WINDOWS | |
486 wwp == wp && | |
487 # endif | |
488 syntax_present(wp->w_buffer)) | |
489 syn_stack_apply_changes(wp->w_buffer); | |
490 } | |
491 } | |
492 #endif | |
493 | |
494 /* | |
495 * Go from top to bottom through the windows, redrawing the ones that need | |
496 * it. | |
497 */ | |
498 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) | |
499 did_one = FALSE; | |
500 #endif | |
501 #ifdef FEAT_SEARCH_EXTRA | |
502 search_hl.rm.regprog = NULL; | |
503 #endif | |
504 FOR_ALL_WINDOWS(wp) | |
505 { | |
506 if (wp->w_redr_type != 0) | |
507 { | |
508 cursor_off(); | |
509 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD) | |
510 if (!did_one) | |
511 { | |
512 did_one = TRUE; | |
513 # ifdef FEAT_SEARCH_EXTRA | |
514 start_search_hl(); | |
515 # endif | |
516 # ifdef FEAT_CLIPBOARD | |
517 /* When Visual area changed, may have to update selection. */ | |
518 if (clip_star.available && clip_isautosel()) | |
519 clip_update_selection(); | |
520 # endif | |
521 #ifdef FEAT_GUI | |
522 /* Remove the cursor before starting to do anything, because | |
523 * scrolling may make it difficult to redraw the text under | |
524 * it. */ | |
525 if (gui.in_use) | |
526 gui_undraw_cursor(); | |
527 #endif | |
528 } | |
529 #endif | |
530 win_update(wp); | |
531 } | |
532 | |
533 #ifdef FEAT_WINDOWS | |
534 /* redraw status line after the window to minimize cursor movement */ | |
535 if (wp->w_redr_status) | |
536 { | |
537 cursor_off(); | |
538 win_redr_status(wp); | |
539 } | |
540 #endif | |
541 } | |
542 #if defined(FEAT_SEARCH_EXTRA) | |
543 end_search_hl(); | |
544 #endif | |
545 | |
546 #ifdef FEAT_WINDOWS | |
547 /* Reset b_mod_set flags. Going through all windows is probably faster | |
548 * than going through all buffers (there could be many buffers). */ | |
549 for (wp = firstwin; wp != NULL; wp = wp->w_next) | |
550 wp->w_buffer->b_mod_set = FALSE; | |
551 #else | |
552 curbuf->b_mod_set = FALSE; | |
553 #endif | |
554 | |
555 updating_screen = FALSE; | |
556 #ifdef FEAT_GUI | |
557 gui_may_resize_shell(); | |
558 #endif | |
559 | |
560 /* Clear or redraw the command line. Done last, because scrolling may | |
561 * mess up the command line. */ | |
562 if (clear_cmdline || redraw_cmdline) | |
563 showmode(); | |
564 | |
565 /* May put up an introductory message when not editing a file */ | |
566 if (!did_intro && bufempty() | |
567 && curbuf->b_fname == NULL | |
568 #ifdef FEAT_WINDOWS | |
569 && firstwin->w_next == NULL | |
570 #endif | |
571 && vim_strchr(p_shm, SHM_INTRO) == NULL) | |
572 intro_message(FALSE); | |
573 did_intro = TRUE; | |
574 | |
575 #ifdef FEAT_GUI | |
576 /* Redraw the cursor and update the scrollbars when all screen updating is | |
577 * done. */ | |
578 if (gui.in_use) | |
579 { | |
580 out_flush(); /* required before updating the cursor */ | |
581 if (did_one) | |
582 gui_update_cursor(FALSE, FALSE); | |
583 gui_update_scrollbars(FALSE); | |
584 } | |
585 #endif | |
586 } | |
587 | |
588 #if defined(FEAT_SIGNS) || defined(FEAT_GUI) | |
589 static void update_prepare __ARGS((void)); | |
590 static void update_finish __ARGS((void)); | |
591 | |
592 /* | |
593 * Prepare for updating one or more windows. | |
2008 | 594 * Caller must check for "updating_screen" already set to avoid recursiveness. |
7 | 595 */ |
596 static void | |
597 update_prepare() | |
598 { | |
599 cursor_off(); | |
600 updating_screen = TRUE; | |
601 #ifdef FEAT_GUI | |
602 /* Remove the cursor before starting to do anything, because scrolling may | |
603 * make it difficult to redraw the text under it. */ | |
604 if (gui.in_use) | |
605 gui_undraw_cursor(); | |
606 #endif | |
607 #ifdef FEAT_SEARCH_EXTRA | |
608 start_search_hl(); | |
609 #endif | |
610 } | |
611 | |
612 /* | |
613 * Finish updating one or more windows. | |
614 */ | |
615 static void | |
616 update_finish() | |
617 { | |
618 if (redraw_cmdline) | |
619 showmode(); | |
620 | |
621 # ifdef FEAT_SEARCH_EXTRA | |
622 end_search_hl(); | |
623 # endif | |
624 | |
625 updating_screen = FALSE; | |
626 | |
627 # ifdef FEAT_GUI | |
628 gui_may_resize_shell(); | |
629 | |
630 /* Redraw the cursor and update the scrollbars when all screen updating is | |
631 * done. */ | |
632 if (gui.in_use) | |
633 { | |
634 out_flush(); /* required before updating the cursor */ | |
635 gui_update_cursor(FALSE, FALSE); | |
636 gui_update_scrollbars(FALSE); | |
637 } | |
638 # endif | |
639 } | |
640 #endif | |
641 | |
642 #if defined(FEAT_SIGNS) || defined(PROTO) | |
643 void | |
644 update_debug_sign(buf, lnum) | |
645 buf_T *buf; | |
646 linenr_T lnum; | |
647 { | |
648 win_T *wp; | |
649 int doit = FALSE; | |
650 | |
651 # ifdef FEAT_FOLDING | |
652 win_foldinfo.fi_level = 0; | |
653 # endif | |
654 | |
655 /* update/delete a specific mark */ | |
656 FOR_ALL_WINDOWS(wp) | |
657 { | |
658 if (buf != NULL && lnum > 0) | |
659 { | |
660 if (wp->w_buffer == buf && lnum >= wp->w_topline | |
661 && lnum < wp->w_botline) | |
662 { | |
663 if (wp->w_redraw_top == 0 || wp->w_redraw_top > lnum) | |
664 wp->w_redraw_top = lnum; | |
665 if (wp->w_redraw_bot == 0 || wp->w_redraw_bot < lnum) | |
666 wp->w_redraw_bot = lnum; | |
667 redraw_win_later(wp, VALID); | |
668 } | |
669 } | |
670 else | |
671 redraw_win_later(wp, VALID); | |
672 if (wp->w_redr_type != 0) | |
673 doit = TRUE; | |
674 } | |
675 | |
2008 | 676 /* Return when there is nothing to do or screen updating already |
677 * happening. */ | |
678 if (!doit || updating_screen) | |
7 | 679 return; |
680 | |
681 /* update all windows that need updating */ | |
682 update_prepare(); | |
683 | |
684 # ifdef FEAT_WINDOWS | |
685 for (wp = firstwin; wp; wp = wp->w_next) | |
686 { | |
687 if (wp->w_redr_type != 0) | |
688 win_update(wp); | |
689 if (wp->w_redr_status) | |
690 win_redr_status(wp); | |
691 } | |
692 # else | |
693 if (curwin->w_redr_type != 0) | |
694 win_update(curwin); | |
695 # endif | |
696 | |
697 update_finish(); | |
698 } | |
699 #endif | |
700 | |
701 | |
702 #if defined(FEAT_GUI) || defined(PROTO) | |
703 /* | |
704 * Update a single window, its status line and maybe the command line msg. | |
705 * Used for the GUI scrollbar. | |
706 */ | |
707 void | |
708 updateWindow(wp) | |
709 win_T *wp; | |
710 { | |
2008 | 711 /* return if already busy updating */ |
712 if (updating_screen) | |
713 return; | |
714 | |
7 | 715 update_prepare(); |
716 | |
717 #ifdef FEAT_CLIPBOARD | |
718 /* When Visual area changed, may have to update selection. */ | |
719 if (clip_star.available && clip_isautosel()) | |
720 clip_update_selection(); | |
721 #endif | |
670 | 722 |
7 | 723 win_update(wp); |
670 | 724 |
7 | 725 #ifdef FEAT_WINDOWS |
670 | 726 /* When the screen was cleared redraw the tab pages line. */ |
673 | 727 if (redraw_tabline) |
677 | 728 draw_tabline(); |
670 | 729 |
7 | 730 if (wp->w_redr_status |
731 # ifdef FEAT_CMDL_INFO | |
732 || p_ru | |
733 # endif | |
734 # ifdef FEAT_STL_OPT | |
40 | 735 || *p_stl != NUL || *wp->w_p_stl != NUL |
7 | 736 # endif |
737 ) | |
738 win_redr_status(wp); | |
739 #endif | |
740 | |
741 update_finish(); | |
742 } | |
743 #endif | |
744 | |
745 /* | |
746 * Update a single window. | |
747 * | |
748 * This may cause the windows below it also to be redrawn (when clearing the | |
749 * screen or scrolling lines). | |
750 * | |
751 * How the window is redrawn depends on wp->w_redr_type. Each type also | |
752 * implies the one below it. | |
753 * NOT_VALID redraw the whole window | |
743 | 754 * SOME_VALID redraw the whole window but do scroll when possible |
7 | 755 * REDRAW_TOP redraw the top w_upd_rows window lines, otherwise like VALID |
756 * INVERTED redraw the changed part of the Visual area | |
757 * INVERTED_ALL redraw the whole Visual area | |
758 * VALID 1. scroll up/down to adjust for a changed w_topline | |
759 * 2. update lines at the top when scrolled down | |
760 * 3. redraw changed text: | |
301 | 761 * - if wp->w_buffer->b_mod_set set, update lines between |
7 | 762 * b_mod_top and b_mod_bot. |
763 * - if wp->w_redraw_top non-zero, redraw lines between | |
764 * wp->w_redraw_top and wp->w_redr_bot. | |
765 * - continue redrawing when syntax status is invalid. | |
766 * 4. if scrolled up, update lines at the bottom. | |
767 * This results in three areas that may need updating: | |
768 * top: from first row to top_end (when scrolled down) | |
769 * mid: from mid_start to mid_end (update inversion or changed text) | |
770 * bot: from bot_start to last row (when scrolled up) | |
771 */ | |
772 static void | |
773 win_update(wp) | |
774 win_T *wp; | |
775 { | |
776 buf_T *buf = wp->w_buffer; | |
777 int type; | |
778 int top_end = 0; /* Below last row of the top area that needs | |
779 updating. 0 when no top area updating. */ | |
780 int mid_start = 999;/* first row of the mid area that needs | |
781 updating. 999 when no mid area updating. */ | |
782 int mid_end = 0; /* Below last row of the mid area that needs | |
783 updating. 0 when no mid area updating. */ | |
784 int bot_start = 999;/* first row of the bot area that needs | |
785 updating. 999 when no bot area updating */ | |
786 #ifdef FEAT_VISUAL | |
787 int scrolled_down = FALSE; /* TRUE when scrolled down when | |
788 w_topline got smaller a bit */ | |
789 #endif | |
790 #ifdef FEAT_SEARCH_EXTRA | |
1326 | 791 matchitem_T *cur; /* points to the match list */ |
7 | 792 int top_to_mod = FALSE; /* redraw above mod_top */ |
793 #endif | |
794 | |
795 int row; /* current window row to display */ | |
796 linenr_T lnum; /* current buffer lnum to display */ | |
797 int idx; /* current index in w_lines[] */ | |
798 int srow; /* starting row of the current line */ | |
799 | |
800 int eof = FALSE; /* if TRUE, we hit the end of the file */ | |
801 int didline = FALSE; /* if TRUE, we finished the last line */ | |
802 int i; | |
803 long j; | |
804 static int recursive = FALSE; /* being called recursively */ | |
805 int old_botline = wp->w_botline; | |
806 #ifdef FEAT_FOLDING | |
807 long fold_count; | |
808 #endif | |
809 #ifdef FEAT_SYN_HL | |
810 /* remember what happened to the previous line, to know if | |
811 * check_visual_highlight() can be used */ | |
812 #define DID_NONE 1 /* didn't update a line */ | |
813 #define DID_LINE 2 /* updated a normal line */ | |
814 #define DID_FOLD 3 /* updated a folded line */ | |
815 int did_update = DID_NONE; | |
816 linenr_T syntax_last_parsed = 0; /* last parsed text line */ | |
817 #endif | |
818 linenr_T mod_top = 0; | |
819 linenr_T mod_bot = 0; | |
820 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) | |
821 int save_got_int; | |
822 #endif | |
823 | |
824 type = wp->w_redr_type; | |
825 | |
826 if (type == NOT_VALID) | |
827 { | |
828 #ifdef FEAT_WINDOWS | |
829 wp->w_redr_status = TRUE; | |
830 #endif | |
831 wp->w_lines_valid = 0; | |
832 } | |
833 | |
834 /* Window is zero-height: nothing to draw. */ | |
835 if (wp->w_height == 0) | |
836 { | |
837 wp->w_redr_type = 0; | |
838 return; | |
839 } | |
840 | |
841 #ifdef FEAT_VERTSPLIT | |
842 /* Window is zero-width: Only need to draw the separator. */ | |
843 if (wp->w_width == 0) | |
844 { | |
845 /* draw the vertical separator right of this window */ | |
846 draw_vsep_win(wp, 0); | |
847 wp->w_redr_type = 0; | |
848 return; | |
849 } | |
850 #endif | |
851 | |
852 #ifdef FEAT_SEARCH_EXTRA | |
1326 | 853 /* Setup for match and 'hlsearch' highlighting. Disable any previous |
699 | 854 * match */ |
1326 | 855 cur = wp->w_match_head; |
856 while (cur != NULL) | |
857 { | |
858 cur->hl.rm = cur->match; | |
859 if (cur->hlg_id == 0) | |
860 cur->hl.attr = 0; | |
699 | 861 else |
1326 | 862 cur->hl.attr = syn_id2attr(cur->hlg_id); |
863 cur->hl.buf = buf; | |
864 cur->hl.lnum = 0; | |
865 cur->hl.first_lnum = 0; | |
1521 | 866 # ifdef FEAT_RELTIME |
867 /* Set the time limit to 'redrawtime'. */ | |
868 profile_setlimit(p_rdt, &(cur->hl.tm)); | |
869 # endif | |
1326 | 870 cur = cur->next; |
699 | 871 } |
7 | 872 search_hl.buf = buf; |
873 search_hl.lnum = 0; | |
874 search_hl.first_lnum = 0; | |
1521 | 875 /* time limit is set at the toplevel, for all windows */ |
7 | 876 #endif |
877 | |
13 | 878 #ifdef FEAT_LINEBREAK |
2178
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents:
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879 /* Force redraw when width of 'number' or 'relativenumber' column |
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents:
2124
diff
changeset
|
880 * changes. */ |
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
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changeset
|
881 i = (wp->w_p_nu || wp->w_p_rnu) ? number_width(wp) : 0; |
677 | 882 if (wp->w_nrwidth != i) |
13 | 883 { |
884 type = NOT_VALID; | |
677 | 885 wp->w_nrwidth = i; |
13 | 886 } |
887 else | |
888 #endif | |
889 | |
7 | 890 if (buf->b_mod_set && buf->b_mod_xlines != 0 && wp->w_redraw_top != 0) |
891 { | |
892 /* | |
893 * When there are both inserted/deleted lines and specific lines to be | |
894 * redrawn, w_redraw_top and w_redraw_bot may be invalid, just redraw | |
895 * everything (only happens when redrawing is off for while). | |
896 */ | |
897 type = NOT_VALID; | |
898 } | |
899 else | |
900 { | |
901 /* | |
902 * Set mod_top to the first line that needs displaying because of | |
903 * changes. Set mod_bot to the first line after the changes. | |
904 */ | |
905 mod_top = wp->w_redraw_top; | |
906 if (wp->w_redraw_bot != 0) | |
907 mod_bot = wp->w_redraw_bot + 1; | |
908 else | |
909 mod_bot = 0; | |
910 wp->w_redraw_top = 0; /* reset for next time */ | |
911 wp->w_redraw_bot = 0; | |
912 if (buf->b_mod_set) | |
913 { | |
914 if (mod_top == 0 || mod_top > buf->b_mod_top) | |
915 { | |
916 mod_top = buf->b_mod_top; | |
917 #ifdef FEAT_SYN_HL | |
918 /* Need to redraw lines above the change that may be included | |
919 * in a pattern match. */ | |
920 if (syntax_present(buf)) | |
921 { | |
922 mod_top -= buf->b_syn_sync_linebreaks; | |
923 if (mod_top < 1) | |
924 mod_top = 1; | |
925 } | |
926 #endif | |
927 } | |
928 if (mod_bot == 0 || mod_bot < buf->b_mod_bot) | |
929 mod_bot = buf->b_mod_bot; | |
930 | |
931 #ifdef FEAT_SEARCH_EXTRA | |
932 /* When 'hlsearch' is on and using a multi-line search pattern, a | |
933 * change in one line may make the Search highlighting in a | |
934 * previous line invalid. Simple solution: redraw all visible | |
935 * lines above the change. | |
1326 | 936 * Same for a match pattern. |
7 | 937 */ |
699 | 938 if (search_hl.rm.regprog != NULL |
939 && re_multiline(search_hl.rm.regprog)) | |
7 | 940 top_to_mod = TRUE; |
699 | 941 else |
1326 | 942 { |
943 cur = wp->w_match_head; | |
944 while (cur != NULL) | |
945 { | |
946 if (cur->match.regprog != NULL | |
947 && re_multiline(cur->match.regprog)) | |
699 | 948 { |
949 top_to_mod = TRUE; | |
950 break; | |
951 } | |
1326 | 952 cur = cur->next; |
953 } | |
954 } | |
7 | 955 #endif |
956 } | |
957 #ifdef FEAT_FOLDING | |
958 if (mod_top != 0 && hasAnyFolding(wp)) | |
959 { | |
960 linenr_T lnumt, lnumb; | |
961 | |
962 /* | |
963 * A change in a line can cause lines above it to become folded or | |
964 * unfolded. Find the top most buffer line that may be affected. | |
965 * If the line was previously folded and displayed, get the first | |
966 * line of that fold. If the line is folded now, get the first | |
967 * folded line. Use the minimum of these two. | |
968 */ | |
969 | |
970 /* Find last valid w_lines[] entry above mod_top. Set lnumt to | |
971 * the line below it. If there is no valid entry, use w_topline. | |
972 * Find the first valid w_lines[] entry below mod_bot. Set lnumb | |
973 * to this line. If there is no valid entry, use MAXLNUM. */ | |
974 lnumt = wp->w_topline; | |
975 lnumb = MAXLNUM; | |
976 for (i = 0; i < wp->w_lines_valid; ++i) | |
977 if (wp->w_lines[i].wl_valid) | |
978 { | |
979 if (wp->w_lines[i].wl_lastlnum < mod_top) | |
980 lnumt = wp->w_lines[i].wl_lastlnum + 1; | |
981 if (lnumb == MAXLNUM && wp->w_lines[i].wl_lnum >= mod_bot) | |
982 { | |
983 lnumb = wp->w_lines[i].wl_lnum; | |
984 /* When there is a fold column it might need updating | |
985 * in the next line ("J" just above an open fold). */ | |
986 if (wp->w_p_fdc > 0) | |
987 ++lnumb; | |
988 } | |
989 } | |
990 | |
991 (void)hasFoldingWin(wp, mod_top, &mod_top, NULL, TRUE, NULL); | |
992 if (mod_top > lnumt) | |
993 mod_top = lnumt; | |
994 | |
995 /* Now do the same for the bottom line (one above mod_bot). */ | |
996 --mod_bot; | |
997 (void)hasFoldingWin(wp, mod_bot, NULL, &mod_bot, TRUE, NULL); | |
998 ++mod_bot; | |
999 if (mod_bot < lnumb) | |
1000 mod_bot = lnumb; | |
1001 } | |
1002 #endif | |
1003 | |
1004 /* When a change starts above w_topline and the end is below | |
1005 * w_topline, start redrawing at w_topline. | |
36 | 1006 * If the end of the change is above w_topline: do like no change was |
1007 * made, but redraw the first line to find changes in syntax. */ | |
7 | 1008 if (mod_top != 0 && mod_top < wp->w_topline) |
1009 { | |
1010 if (mod_bot > wp->w_topline) | |
1011 mod_top = wp->w_topline; | |
1012 #ifdef FEAT_SYN_HL | |
1013 else if (syntax_present(buf)) | |
1014 top_end = 1; | |
1015 #endif | |
1016 } | |
36 | 1017 |
1018 /* When line numbers are displayed need to redraw all lines below | |
1019 * inserted/deleted lines. */ | |
1020 if (mod_top != 0 && buf->b_mod_xlines != 0 && wp->w_p_nu) | |
1021 mod_bot = MAXLNUM; | |
7 | 1022 } |
1023 | |
1024 /* | |
1025 * When only displaying the lines at the top, set top_end. Used when | |
1026 * window has scrolled down for msg_scrolled. | |
1027 */ | |
1028 if (type == REDRAW_TOP) | |
1029 { | |
1030 j = 0; | |
1031 for (i = 0; i < wp->w_lines_valid; ++i) | |
1032 { | |
1033 j += wp->w_lines[i].wl_size; | |
1034 if (j >= wp->w_upd_rows) | |
1035 { | |
1036 top_end = j; | |
1037 break; | |
1038 } | |
1039 } | |
1040 if (top_end == 0) | |
1041 /* not found (cannot happen?): redraw everything */ | |
1042 type = NOT_VALID; | |
1043 else | |
1044 /* top area defined, the rest is VALID */ | |
1045 type = VALID; | |
1046 } | |
1047 | |
1378 | 1048 /* Trick: we want to avoid clearing the screen twice. screenclear() will |
1331 | 1049 * set "screen_cleared" to TRUE. The special value MAYBE (which is still |
1050 * non-zero and thus not FALSE) will indicate that screenclear() was not | |
1051 * called. */ | |
1052 if (screen_cleared) | |
1053 screen_cleared = MAYBE; | |
1054 | |
7 | 1055 /* |
1056 * If there are no changes on the screen that require a complete redraw, | |
1057 * handle three cases: | |
1058 * 1: we are off the top of the screen by a few lines: scroll down | |
1059 * 2: wp->w_topline is below wp->w_lines[0].wl_lnum: may scroll up | |
1060 * 3: wp->w_topline is wp->w_lines[0].wl_lnum: find first entry in | |
1061 * w_lines[] that needs updating. | |
1062 */ | |
743 | 1063 if ((type == VALID || type == SOME_VALID |
1064 || type == INVERTED || type == INVERTED_ALL) | |
7 | 1065 #ifdef FEAT_DIFF |
1066 && !wp->w_botfill && !wp->w_old_botfill | |
1067 #endif | |
1068 ) | |
1069 { | |
1070 if (mod_top != 0 && wp->w_topline == mod_top) | |
1071 { | |
1072 /* | |
1073 * w_topline is the first changed line, the scrolling will be done | |
1074 * further down. | |
1075 */ | |
1076 } | |
1077 else if (wp->w_lines[0].wl_valid | |
1078 && (wp->w_topline < wp->w_lines[0].wl_lnum | |
1079 #ifdef FEAT_DIFF | |
1080 || (wp->w_topline == wp->w_lines[0].wl_lnum | |
1081 && wp->w_topfill > wp->w_old_topfill) | |
1082 #endif | |
1083 )) | |
1084 { | |
1085 /* | |
1086 * New topline is above old topline: May scroll down. | |
1087 */ | |
1088 #ifdef FEAT_FOLDING | |
1089 if (hasAnyFolding(wp)) | |
1090 { | |
1091 linenr_T ln; | |
1092 | |
1093 /* count the number of lines we are off, counting a sequence | |
1094 * of folded lines as one */ | |
1095 j = 0; | |
1096 for (ln = wp->w_topline; ln < wp->w_lines[0].wl_lnum; ++ln) | |
1097 { | |
1098 ++j; | |
1099 if (j >= wp->w_height - 2) | |
1100 break; | |
1101 (void)hasFoldingWin(wp, ln, NULL, &ln, TRUE, NULL); | |
1102 } | |
1103 } | |
1104 else | |
1105 #endif | |
1106 j = wp->w_lines[0].wl_lnum - wp->w_topline; | |
1107 if (j < wp->w_height - 2) /* not too far off */ | |
1108 { | |
1109 i = plines_m_win(wp, wp->w_topline, wp->w_lines[0].wl_lnum - 1); | |
1110 #ifdef FEAT_DIFF | |
1111 /* insert extra lines for previously invisible filler lines */ | |
1112 if (wp->w_lines[0].wl_lnum != wp->w_topline) | |
1113 i += diff_check_fill(wp, wp->w_lines[0].wl_lnum) | |
1114 - wp->w_old_topfill; | |
1115 #endif | |
1116 if (i < wp->w_height - 2) /* less than a screen off */ | |
1117 { | |
1118 /* | |
1119 * Try to insert the correct number of lines. | |
1120 * If not the last window, delete the lines at the bottom. | |
1121 * win_ins_lines may fail when the terminal can't do it. | |
1122 */ | |
1123 if (i > 0) | |
1124 check_for_delay(FALSE); | |
1125 if (win_ins_lines(wp, 0, i, FALSE, wp == firstwin) == OK) | |
1126 { | |
1127 if (wp->w_lines_valid != 0) | |
1128 { | |
1129 /* Need to update rows that are new, stop at the | |
1130 * first one that scrolled down. */ | |
1131 top_end = i; | |
1132 #ifdef FEAT_VISUAL | |
1133 scrolled_down = TRUE; | |
1134 #endif | |
1135 | |
1136 /* Move the entries that were scrolled, disable | |
1137 * the entries for the lines to be redrawn. */ | |
1138 if ((wp->w_lines_valid += j) > wp->w_height) | |
1139 wp->w_lines_valid = wp->w_height; | |
1140 for (idx = wp->w_lines_valid; idx - j >= 0; idx--) | |
1141 wp->w_lines[idx] = wp->w_lines[idx - j]; | |
1142 while (idx >= 0) | |
1143 wp->w_lines[idx--].wl_valid = FALSE; | |
1144 } | |
1145 } | |
1146 else | |
1147 mid_start = 0; /* redraw all lines */ | |
1148 } | |
1149 else | |
1150 mid_start = 0; /* redraw all lines */ | |
1151 } | |
1152 else | |
1153 mid_start = 0; /* redraw all lines */ | |
1154 } | |
1155 else | |
1156 { | |
1157 /* | |
1158 * New topline is at or below old topline: May scroll up. | |
1159 * When topline didn't change, find first entry in w_lines[] that | |
1160 * needs updating. | |
1161 */ | |
1162 | |
1163 /* try to find wp->w_topline in wp->w_lines[].wl_lnum */ | |
1164 j = -1; | |
1165 row = 0; | |
1166 for (i = 0; i < wp->w_lines_valid; i++) | |
1167 { | |
1168 if (wp->w_lines[i].wl_valid | |
1169 && wp->w_lines[i].wl_lnum == wp->w_topline) | |
1170 { | |
1171 j = i; | |
1172 break; | |
1173 } | |
1174 row += wp->w_lines[i].wl_size; | |
1175 } | |
1176 if (j == -1) | |
1177 { | |
1178 /* if wp->w_topline is not in wp->w_lines[].wl_lnum redraw all | |
1179 * lines */ | |
1180 mid_start = 0; | |
1181 } | |
1182 else | |
1183 { | |
1184 /* | |
1185 * Try to delete the correct number of lines. | |
1186 * wp->w_topline is at wp->w_lines[i].wl_lnum. | |
1187 */ | |
1188 #ifdef FEAT_DIFF | |
1189 /* If the topline didn't change, delete old filler lines, | |
1190 * otherwise delete filler lines of the new topline... */ | |
1191 if (wp->w_lines[0].wl_lnum == wp->w_topline) | |
1192 row += wp->w_old_topfill; | |
1193 else | |
1194 row += diff_check_fill(wp, wp->w_topline); | |
1195 /* ... but don't delete new filler lines. */ | |
1196 row -= wp->w_topfill; | |
1197 #endif | |
1198 if (row > 0) | |
1199 { | |
1200 check_for_delay(FALSE); | |
1201 if (win_del_lines(wp, 0, row, FALSE, wp == firstwin) == OK) | |
1202 bot_start = wp->w_height - row; | |
1203 else | |
1204 mid_start = 0; /* redraw all lines */ | |
1205 } | |
1206 if ((row == 0 || bot_start < 999) && wp->w_lines_valid != 0) | |
1207 { | |
1208 /* | |
1209 * Skip the lines (below the deleted lines) that are still | |
1210 * valid and don't need redrawing. Copy their info | |
1211 * upwards, to compensate for the deleted lines. Set | |
1212 * bot_start to the first row that needs redrawing. | |
1213 */ | |
1214 bot_start = 0; | |
1215 idx = 0; | |
1216 for (;;) | |
1217 { | |
1218 wp->w_lines[idx] = wp->w_lines[j]; | |
1219 /* stop at line that didn't fit, unless it is still | |
1220 * valid (no lines deleted) */ | |
1221 if (row > 0 && bot_start + row | |
1222 + (int)wp->w_lines[j].wl_size > wp->w_height) | |
1223 { | |
1224 wp->w_lines_valid = idx + 1; | |
1225 break; | |
1226 } | |
1227 bot_start += wp->w_lines[idx++].wl_size; | |
1228 | |
1229 /* stop at the last valid entry in w_lines[].wl_size */ | |
1230 if (++j >= wp->w_lines_valid) | |
1231 { | |
1232 wp->w_lines_valid = idx; | |
1233 break; | |
1234 } | |
1235 } | |
1236 #ifdef FEAT_DIFF | |
1237 /* Correct the first entry for filler lines at the top | |
1238 * when it won't get updated below. */ | |
1239 if (wp->w_p_diff && bot_start > 0) | |
1240 wp->w_lines[0].wl_size = | |
1241 plines_win_nofill(wp, wp->w_topline, TRUE) | |
1242 + wp->w_topfill; | |
1243 #endif | |
1244 } | |
1245 } | |
1246 } | |
1247 | |
1248 /* When starting redraw in the first line, redraw all lines. When | |
1249 * there is only one window it's probably faster to clear the screen | |
1250 * first. */ | |
1251 if (mid_start == 0) | |
1252 { | |
1253 mid_end = wp->w_height; | |
1254 if (lastwin == firstwin) | |
981 | 1255 { |
1331 | 1256 /* Clear the screen when it was not done by win_del_lines() or |
1257 * win_ins_lines() above, "screen_cleared" is FALSE or MAYBE | |
1258 * then. */ | |
1259 if (screen_cleared != TRUE) | |
1260 screenclear(); | |
981 | 1261 #ifdef FEAT_WINDOWS |
1262 /* The screen was cleared, redraw the tab pages line. */ | |
1263 if (redraw_tabline) | |
1264 draw_tabline(); | |
1265 #endif | |
1266 } | |
7 | 1267 } |
1331 | 1268 |
1269 /* When win_del_lines() or win_ins_lines() caused the screen to be | |
1270 * cleared (only happens for the first window) or when screenclear() | |
1271 * was called directly above, "must_redraw" will have been set to | |
1272 * NOT_VALID, need to reset it here to avoid redrawing twice. */ | |
1273 if (screen_cleared == TRUE) | |
1274 must_redraw = 0; | |
7 | 1275 } |
1276 else | |
1277 { | |
1278 /* Not VALID or INVERTED: redraw all lines. */ | |
1279 mid_start = 0; | |
1280 mid_end = wp->w_height; | |
1281 } | |
1282 | |
743 | 1283 if (type == SOME_VALID) |
1284 { | |
1285 /* SOME_VALID: redraw all lines. */ | |
1286 mid_start = 0; | |
1287 mid_end = wp->w_height; | |
1288 type = NOT_VALID; | |
1289 } | |
1290 | |
7 | 1291 #ifdef FEAT_VISUAL |
1292 /* check if we are updating or removing the inverted part */ | |
1293 if ((VIsual_active && buf == curwin->w_buffer) | |
1294 || (wp->w_old_cursor_lnum != 0 && type != NOT_VALID)) | |
1295 { | |
1296 linenr_T from, to; | |
1297 | |
1298 if (VIsual_active) | |
1299 { | |
1300 if (VIsual_active | |
1301 && (VIsual_mode != wp->w_old_visual_mode | |
1302 || type == INVERTED_ALL)) | |
1303 { | |
1304 /* | |
1305 * If the type of Visual selection changed, redraw the whole | |
1306 * selection. Also when the ownership of the X selection is | |
1307 * gained or lost. | |
1308 */ | |
1309 if (curwin->w_cursor.lnum < VIsual.lnum) | |
1310 { | |
1311 from = curwin->w_cursor.lnum; | |
1312 to = VIsual.lnum; | |
1313 } | |
1314 else | |
1315 { | |
1316 from = VIsual.lnum; | |
1317 to = curwin->w_cursor.lnum; | |
1318 } | |
1319 /* redraw more when the cursor moved as well */ | |
1320 if (wp->w_old_cursor_lnum < from) | |
1321 from = wp->w_old_cursor_lnum; | |
1322 if (wp->w_old_cursor_lnum > to) | |
1323 to = wp->w_old_cursor_lnum; | |
1324 if (wp->w_old_visual_lnum < from) | |
1325 from = wp->w_old_visual_lnum; | |
1326 if (wp->w_old_visual_lnum > to) | |
1327 to = wp->w_old_visual_lnum; | |
1328 } | |
1329 else | |
1330 { | |
1331 /* | |
1332 * Find the line numbers that need to be updated: The lines | |
1333 * between the old cursor position and the current cursor | |
1334 * position. Also check if the Visual position changed. | |
1335 */ | |
1336 if (curwin->w_cursor.lnum < wp->w_old_cursor_lnum) | |
1337 { | |
1338 from = curwin->w_cursor.lnum; | |
1339 to = wp->w_old_cursor_lnum; | |
1340 } | |
1341 else | |
1342 { | |
1343 from = wp->w_old_cursor_lnum; | |
1344 to = curwin->w_cursor.lnum; | |
1345 if (from == 0) /* Visual mode just started */ | |
1346 from = to; | |
1347 } | |
1348 | |
422 | 1349 if (VIsual.lnum != wp->w_old_visual_lnum |
1350 || VIsual.col != wp->w_old_visual_col) | |
7 | 1351 { |
1352 if (wp->w_old_visual_lnum < from | |
1353 && wp->w_old_visual_lnum != 0) | |
1354 from = wp->w_old_visual_lnum; | |
1355 if (wp->w_old_visual_lnum > to) | |
1356 to = wp->w_old_visual_lnum; | |
1357 if (VIsual.lnum < from) | |
1358 from = VIsual.lnum; | |
1359 if (VIsual.lnum > to) | |
1360 to = VIsual.lnum; | |
1361 } | |
1362 } | |
1363 | |
1364 /* | |
1365 * If in block mode and changed column or curwin->w_curswant: | |
1366 * update all lines. | |
1367 * First compute the actual start and end column. | |
1368 */ | |
1369 if (VIsual_mode == Ctrl_V) | |
1370 { | |
1371 colnr_T fromc, toc; | |
1372 | |
1373 getvcols(wp, &VIsual, &curwin->w_cursor, &fromc, &toc); | |
1374 ++toc; | |
1375 if (curwin->w_curswant == MAXCOL) | |
1376 toc = MAXCOL; | |
1377 | |
1378 if (fromc != wp->w_old_cursor_fcol | |
1379 || toc != wp->w_old_cursor_lcol) | |
1380 { | |
1381 if (from > VIsual.lnum) | |
1382 from = VIsual.lnum; | |
1383 if (to < VIsual.lnum) | |
1384 to = VIsual.lnum; | |
1385 } | |
1386 wp->w_old_cursor_fcol = fromc; | |
1387 wp->w_old_cursor_lcol = toc; | |
1388 } | |
1389 } | |
1390 else | |
1391 { | |
1392 /* Use the line numbers of the old Visual area. */ | |
1393 if (wp->w_old_cursor_lnum < wp->w_old_visual_lnum) | |
1394 { | |
1395 from = wp->w_old_cursor_lnum; | |
1396 to = wp->w_old_visual_lnum; | |
1397 } | |
1398 else | |
1399 { | |
1400 from = wp->w_old_visual_lnum; | |
1401 to = wp->w_old_cursor_lnum; | |
1402 } | |
1403 } | |
1404 | |
1405 /* | |
1406 * There is no need to update lines above the top of the window. | |
1407 */ | |
1408 if (from < wp->w_topline) | |
1409 from = wp->w_topline; | |
1410 | |
1411 /* | |
1412 * If we know the value of w_botline, use it to restrict the update to | |
1413 * the lines that are visible in the window. | |
1414 */ | |
1415 if (wp->w_valid & VALID_BOTLINE) | |
1416 { | |
1417 if (from >= wp->w_botline) | |
1418 from = wp->w_botline - 1; | |
1419 if (to >= wp->w_botline) | |
1420 to = wp->w_botline - 1; | |
1421 } | |
1422 | |
1423 /* | |
1424 * Find the minimal part to be updated. | |
1425 * Watch out for scrolling that made entries in w_lines[] invalid. | |
1426 * E.g., CTRL-U makes the first half of w_lines[] invalid and sets | |
1427 * top_end; need to redraw from top_end to the "to" line. | |
1428 * A middle mouse click with a Visual selection may change the text | |
1429 * above the Visual area and reset wl_valid, do count these for | |
1430 * mid_end (in srow). | |
1431 */ | |
1432 if (mid_start > 0) | |
1433 { | |
1434 lnum = wp->w_topline; | |
1435 idx = 0; | |
1436 srow = 0; | |
1437 if (scrolled_down) | |
1438 mid_start = top_end; | |
1439 else | |
1440 mid_start = 0; | |
1441 while (lnum < from && idx < wp->w_lines_valid) /* find start */ | |
1442 { | |
1443 if (wp->w_lines[idx].wl_valid) | |
1444 mid_start += wp->w_lines[idx].wl_size; | |
1445 else if (!scrolled_down) | |
1446 srow += wp->w_lines[idx].wl_size; | |
1447 ++idx; | |
1448 # ifdef FEAT_FOLDING | |
1449 if (idx < wp->w_lines_valid && wp->w_lines[idx].wl_valid) | |
1450 lnum = wp->w_lines[idx].wl_lnum; | |
1451 else | |
1452 # endif | |
1453 ++lnum; | |
1454 } | |
1455 srow += mid_start; | |
1456 mid_end = wp->w_height; | |
1457 for ( ; idx < wp->w_lines_valid; ++idx) /* find end */ | |
1458 { | |
1459 if (wp->w_lines[idx].wl_valid | |
1460 && wp->w_lines[idx].wl_lnum >= to + 1) | |
1461 { | |
1462 /* Only update until first row of this line */ | |
1463 mid_end = srow; | |
1464 break; | |
1465 } | |
1466 srow += wp->w_lines[idx].wl_size; | |
1467 } | |
1468 } | |
1469 } | |
1470 | |
1471 if (VIsual_active && buf == curwin->w_buffer) | |
1472 { | |
1473 wp->w_old_visual_mode = VIsual_mode; | |
1474 wp->w_old_cursor_lnum = curwin->w_cursor.lnum; | |
1475 wp->w_old_visual_lnum = VIsual.lnum; | |
422 | 1476 wp->w_old_visual_col = VIsual.col; |
7 | 1477 wp->w_old_curswant = curwin->w_curswant; |
1478 } | |
1479 else | |
1480 { | |
1481 wp->w_old_visual_mode = 0; | |
1482 wp->w_old_cursor_lnum = 0; | |
1483 wp->w_old_visual_lnum = 0; | |
422 | 1484 wp->w_old_visual_col = 0; |
7 | 1485 } |
1486 #endif /* FEAT_VISUAL */ | |
1487 | |
1488 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) | |
1489 /* reset got_int, otherwise regexp won't work */ | |
1490 save_got_int = got_int; | |
1491 got_int = 0; | |
1492 #endif | |
1493 #ifdef FEAT_FOLDING | |
1494 win_foldinfo.fi_level = 0; | |
1495 #endif | |
1496 | |
1497 /* | |
1498 * Update all the window rows. | |
1499 */ | |
1500 idx = 0; /* first entry in w_lines[].wl_size */ | |
1501 row = 0; | |
1502 srow = 0; | |
1503 lnum = wp->w_topline; /* first line shown in window */ | |
1504 for (;;) | |
1505 { | |
1506 /* stop updating when reached the end of the window (check for _past_ | |
1507 * the end of the window is at the end of the loop) */ | |
1508 if (row == wp->w_height) | |
1509 { | |
1510 didline = TRUE; | |
1511 break; | |
1512 } | |
1513 | |
1514 /* stop updating when hit the end of the file */ | |
1515 if (lnum > buf->b_ml.ml_line_count) | |
1516 { | |
1517 eof = TRUE; | |
1518 break; | |
1519 } | |
1520 | |
1521 /* Remember the starting row of the line that is going to be dealt | |
1522 * with. It is used further down when the line doesn't fit. */ | |
1523 srow = row; | |
1524 | |
1525 /* | |
1526 * Update a line when it is in an area that needs updating, when it | |
1527 * has changes or w_lines[idx] is invalid. | |
1528 * bot_start may be halfway a wrapped line after using | |
1529 * win_del_lines(), check if the current line includes it. | |
1530 * When syntax folding is being used, the saved syntax states will | |
1531 * already have been updated, we can't see where the syntax state is | |
1532 * the same again, just update until the end of the window. | |
1533 */ | |
1534 if (row < top_end | |
1535 || (row >= mid_start && row < mid_end) | |
1536 #ifdef FEAT_SEARCH_EXTRA | |
1537 || top_to_mod | |
1538 #endif | |
1539 || idx >= wp->w_lines_valid | |
1540 || (row + wp->w_lines[idx].wl_size > bot_start) | |
1541 || (mod_top != 0 | |
1542 && (lnum == mod_top | |
1543 || (lnum >= mod_top | |
1544 && (lnum < mod_bot | |
1545 #ifdef FEAT_SYN_HL | |
1546 || did_update == DID_FOLD | |
1547 || (did_update == DID_LINE | |
1548 && syntax_present(buf) | |
1549 && ( | |
1550 # ifdef FEAT_FOLDING | |
1551 (foldmethodIsSyntax(wp) | |
1552 && hasAnyFolding(wp)) || | |
1553 # endif | |
1554 syntax_check_changed(lnum))) | |
1555 #endif | |
1556 ))))) | |
1557 { | |
1558 #ifdef FEAT_SEARCH_EXTRA | |
1559 if (lnum == mod_top) | |
1560 top_to_mod = FALSE; | |
1561 #endif | |
1562 | |
1563 /* | |
1564 * When at start of changed lines: May scroll following lines | |
1565 * up or down to minimize redrawing. | |
1566 * Don't do this when the change continues until the end. | |
1567 * Don't scroll when dollar_vcol is non-zero, keep the "$". | |
1568 */ | |
1569 if (lnum == mod_top | |
1570 && mod_bot != MAXLNUM | |
1571 && !(dollar_vcol != 0 && mod_bot == mod_top + 1)) | |
1572 { | |
1573 int old_rows = 0; | |
1574 int new_rows = 0; | |
1575 int xtra_rows; | |
1576 linenr_T l; | |
1577 | |
1578 /* Count the old number of window rows, using w_lines[], which | |
1579 * should still contain the sizes for the lines as they are | |
1580 * currently displayed. */ | |
1581 for (i = idx; i < wp->w_lines_valid; ++i) | |
1582 { | |
1583 /* Only valid lines have a meaningful wl_lnum. Invalid | |
1584 * lines are part of the changed area. */ | |
1585 if (wp->w_lines[i].wl_valid | |
1586 && wp->w_lines[i].wl_lnum == mod_bot) | |
1587 break; | |
1588 old_rows += wp->w_lines[i].wl_size; | |
1589 #ifdef FEAT_FOLDING | |
1590 if (wp->w_lines[i].wl_valid | |
1591 && wp->w_lines[i].wl_lastlnum + 1 == mod_bot) | |
1592 { | |
1593 /* Must have found the last valid entry above mod_bot. | |
1594 * Add following invalid entries. */ | |
1595 ++i; | |
1596 while (i < wp->w_lines_valid | |
1597 && !wp->w_lines[i].wl_valid) | |
1598 old_rows += wp->w_lines[i++].wl_size; | |
1599 break; | |
1600 } | |
1601 #endif | |
1602 } | |
1603 | |
1604 if (i >= wp->w_lines_valid) | |
1605 { | |
1606 /* We can't find a valid line below the changed lines, | |
1607 * need to redraw until the end of the window. | |
1608 * Inserting/deleting lines has no use. */ | |
1609 bot_start = 0; | |
1610 } | |
1611 else | |
1612 { | |
1613 /* Able to count old number of rows: Count new window | |
1614 * rows, and may insert/delete lines */ | |
1615 j = idx; | |
1616 for (l = lnum; l < mod_bot; ++l) | |
1617 { | |
1618 #ifdef FEAT_FOLDING | |
1619 if (hasFoldingWin(wp, l, NULL, &l, TRUE, NULL)) | |
1620 ++new_rows; | |
1621 else | |
1622 #endif | |
1623 #ifdef FEAT_DIFF | |
1624 if (l == wp->w_topline) | |
1625 new_rows += plines_win_nofill(wp, l, TRUE) | |
1626 + wp->w_topfill; | |
1627 else | |
1628 #endif | |
1629 new_rows += plines_win(wp, l, TRUE); | |
1630 ++j; | |
1631 if (new_rows > wp->w_height - row - 2) | |
1632 { | |
1633 /* it's getting too much, must redraw the rest */ | |
1634 new_rows = 9999; | |
1635 break; | |
1636 } | |
1637 } | |
1638 xtra_rows = new_rows - old_rows; | |
1639 if (xtra_rows < 0) | |
1640 { | |
1641 /* May scroll text up. If there is not enough | |
1642 * remaining text or scrolling fails, must redraw the | |
1643 * rest. If scrolling works, must redraw the text | |
1644 * below the scrolled text. */ | |
1645 if (row - xtra_rows >= wp->w_height - 2) | |
1646 mod_bot = MAXLNUM; | |
1647 else | |
1648 { | |
1649 check_for_delay(FALSE); | |
1650 if (win_del_lines(wp, row, | |
1651 -xtra_rows, FALSE, FALSE) == FAIL) | |
1652 mod_bot = MAXLNUM; | |
1653 else | |
1654 bot_start = wp->w_height + xtra_rows; | |
1655 } | |
1656 } | |
1657 else if (xtra_rows > 0) | |
1658 { | |
1659 /* May scroll text down. If there is not enough | |
1660 * remaining text of scrolling fails, must redraw the | |
1661 * rest. */ | |
1662 if (row + xtra_rows >= wp->w_height - 2) | |
1663 mod_bot = MAXLNUM; | |
1664 else | |
1665 { | |
1666 check_for_delay(FALSE); | |
1667 if (win_ins_lines(wp, row + old_rows, | |
1668 xtra_rows, FALSE, FALSE) == FAIL) | |
1669 mod_bot = MAXLNUM; | |
1670 else if (top_end > row + old_rows) | |
1671 /* Scrolled the part at the top that requires | |
1672 * updating down. */ | |
1673 top_end += xtra_rows; | |
1674 } | |
1675 } | |
1676 | |
1677 /* When not updating the rest, may need to move w_lines[] | |
1678 * entries. */ | |
1679 if (mod_bot != MAXLNUM && i != j) | |
1680 { | |
1681 if (j < i) | |
1682 { | |
1683 int x = row + new_rows; | |
1684 | |
1685 /* move entries in w_lines[] upwards */ | |
1686 for (;;) | |
1687 { | |
1688 /* stop at last valid entry in w_lines[] */ | |
1689 if (i >= wp->w_lines_valid) | |
1690 { | |
1691 wp->w_lines_valid = j; | |
1692 break; | |
1693 } | |
1694 wp->w_lines[j] = wp->w_lines[i]; | |
1695 /* stop at a line that won't fit */ | |
1696 if (x + (int)wp->w_lines[j].wl_size | |
1697 > wp->w_height) | |
1698 { | |
1699 wp->w_lines_valid = j + 1; | |
1700 break; | |
1701 } | |
1702 x += wp->w_lines[j++].wl_size; | |
1703 ++i; | |
1704 } | |
1705 if (bot_start > x) | |
1706 bot_start = x; | |
1707 } | |
1708 else /* j > i */ | |
1709 { | |
1710 /* move entries in w_lines[] downwards */ | |
1711 j -= i; | |
1712 wp->w_lines_valid += j; | |
1713 if (wp->w_lines_valid > wp->w_height) | |
1714 wp->w_lines_valid = wp->w_height; | |
1715 for (i = wp->w_lines_valid; i - j >= idx; --i) | |
1716 wp->w_lines[i] = wp->w_lines[i - j]; | |
1717 | |
1718 /* The w_lines[] entries for inserted lines are | |
1719 * now invalid, but wl_size may be used above. | |
1720 * Reset to zero. */ | |
1721 while (i >= idx) | |
1722 { | |
1723 wp->w_lines[i].wl_size = 0; | |
1724 wp->w_lines[i--].wl_valid = FALSE; | |
1725 } | |
1726 } | |
1727 } | |
1728 } | |
1729 } | |
1730 | |
1731 #ifdef FEAT_FOLDING | |
1732 /* | |
1733 * When lines are folded, display one line for all of them. | |
1734 * Otherwise, display normally (can be several display lines when | |
1735 * 'wrap' is on). | |
1736 */ | |
1737 fold_count = foldedCount(wp, lnum, &win_foldinfo); | |
1738 if (fold_count != 0) | |
1739 { | |
1740 fold_line(wp, fold_count, &win_foldinfo, lnum, row); | |
1741 ++row; | |
1742 --fold_count; | |
1743 wp->w_lines[idx].wl_folded = TRUE; | |
1744 wp->w_lines[idx].wl_lastlnum = lnum + fold_count; | |
1745 # ifdef FEAT_SYN_HL | |
1746 did_update = DID_FOLD; | |
1747 # endif | |
1748 } | |
1749 else | |
1750 #endif | |
1751 if (idx < wp->w_lines_valid | |
1752 && wp->w_lines[idx].wl_valid | |
1753 && wp->w_lines[idx].wl_lnum == lnum | |
1754 && lnum > wp->w_topline | |
1755 && !(dy_flags & DY_LASTLINE) | |
1756 && srow + wp->w_lines[idx].wl_size > wp->w_height | |
1757 #ifdef FEAT_DIFF | |
1758 && diff_check_fill(wp, lnum) == 0 | |
1759 #endif | |
1760 ) | |
1761 { | |
1762 /* This line is not going to fit. Don't draw anything here, | |
1763 * will draw "@ " lines below. */ | |
1764 row = wp->w_height + 1; | |
1765 } | |
1766 else | |
1767 { | |
1768 #ifdef FEAT_SEARCH_EXTRA | |
1769 prepare_search_hl(wp, lnum); | |
1770 #endif | |
1771 #ifdef FEAT_SYN_HL | |
1772 /* Let the syntax stuff know we skipped a few lines. */ | |
1773 if (syntax_last_parsed != 0 && syntax_last_parsed + 1 < lnum | |
1774 && syntax_present(buf)) | |
1775 syntax_end_parsing(syntax_last_parsed + 1); | |
1776 #endif | |
1777 | |
1778 /* | |
1779 * Display one line. | |
1780 */ | |
625 | 1781 row = win_line(wp, lnum, srow, wp->w_height, mod_top == 0); |
7 | 1782 |
1783 #ifdef FEAT_FOLDING | |
1784 wp->w_lines[idx].wl_folded = FALSE; | |
1785 wp->w_lines[idx].wl_lastlnum = lnum; | |
1786 #endif | |
1787 #ifdef FEAT_SYN_HL | |
1788 did_update = DID_LINE; | |
1789 syntax_last_parsed = lnum; | |
1790 #endif | |
1791 } | |
1792 | |
1793 wp->w_lines[idx].wl_lnum = lnum; | |
1794 wp->w_lines[idx].wl_valid = TRUE; | |
1795 if (row > wp->w_height) /* past end of screen */ | |
1796 { | |
1797 /* we may need the size of that too long line later on */ | |
1798 if (dollar_vcol == 0) | |
1799 wp->w_lines[idx].wl_size = plines_win(wp, lnum, TRUE); | |
1800 ++idx; | |
1801 break; | |
1802 } | |
1803 if (dollar_vcol == 0) | |
1804 wp->w_lines[idx].wl_size = row - srow; | |
1805 ++idx; | |
1806 #ifdef FEAT_FOLDING | |
1807 lnum += fold_count + 1; | |
1808 #else | |
1809 ++lnum; | |
1810 #endif | |
1811 } | |
1812 else | |
1813 { | |
1814 /* This line does not need updating, advance to the next one */ | |
1815 row += wp->w_lines[idx++].wl_size; | |
1816 if (row > wp->w_height) /* past end of screen */ | |
1817 break; | |
1818 #ifdef FEAT_FOLDING | |
1819 lnum = wp->w_lines[idx - 1].wl_lastlnum + 1; | |
1820 #else | |
1821 ++lnum; | |
1822 #endif | |
1823 #ifdef FEAT_SYN_HL | |
1824 did_update = DID_NONE; | |
1825 #endif | |
1826 } | |
1827 | |
1828 if (lnum > buf->b_ml.ml_line_count) | |
1829 { | |
1830 eof = TRUE; | |
1831 break; | |
1832 } | |
1833 } | |
1834 /* | |
1835 * End of loop over all window lines. | |
1836 */ | |
1837 | |
1838 | |
1839 if (idx > wp->w_lines_valid) | |
1840 wp->w_lines_valid = idx; | |
1841 | |
1842 #ifdef FEAT_SYN_HL | |
1843 /* | |
1844 * Let the syntax stuff know we stop parsing here. | |
1845 */ | |
1846 if (syntax_last_parsed != 0 && syntax_present(buf)) | |
1847 syntax_end_parsing(syntax_last_parsed + 1); | |
1848 #endif | |
1849 | |
1850 /* | |
1851 * If we didn't hit the end of the file, and we didn't finish the last | |
1852 * line we were working on, then the line didn't fit. | |
1853 */ | |
1854 wp->w_empty_rows = 0; | |
1855 #ifdef FEAT_DIFF | |
1856 wp->w_filler_rows = 0; | |
1857 #endif | |
1858 if (!eof && !didline) | |
1859 { | |
1860 if (lnum == wp->w_topline) | |
1861 { | |
1862 /* | |
1863 * Single line that does not fit! | |
1864 * Don't overwrite it, it can be edited. | |
1865 */ | |
1866 wp->w_botline = lnum + 1; | |
1867 } | |
1868 #ifdef FEAT_DIFF | |
1869 else if (diff_check_fill(wp, lnum) >= wp->w_height - srow) | |
1870 { | |
1871 /* Window ends in filler lines. */ | |
1872 wp->w_botline = lnum; | |
1873 wp->w_filler_rows = wp->w_height - srow; | |
1874 } | |
1875 #endif | |
1876 else if (dy_flags & DY_LASTLINE) /* 'display' has "lastline" */ | |
1877 { | |
1878 /* | |
1879 * Last line isn't finished: Display "@@@" at the end. | |
1880 */ | |
1881 screen_fill(W_WINROW(wp) + wp->w_height - 1, | |
1882 W_WINROW(wp) + wp->w_height, | |
1883 (int)W_ENDCOL(wp) - 3, (int)W_ENDCOL(wp), | |
1884 '@', '@', hl_attr(HLF_AT)); | |
1885 set_empty_rows(wp, srow); | |
1886 wp->w_botline = lnum; | |
1887 } | |
1888 else | |
1889 { | |
1890 win_draw_end(wp, '@', ' ', srow, wp->w_height, HLF_AT); | |
1891 wp->w_botline = lnum; | |
1892 } | |
1893 } | |
1894 else | |
1895 { | |
1896 #ifdef FEAT_VERTSPLIT | |
1897 draw_vsep_win(wp, row); | |
1898 #endif | |
1899 if (eof) /* we hit the end of the file */ | |
1900 { | |
1901 wp->w_botline = buf->b_ml.ml_line_count + 1; | |
1902 #ifdef FEAT_DIFF | |
1903 j = diff_check_fill(wp, wp->w_botline); | |
1904 if (j > 0 && !wp->w_botfill) | |
1905 { | |
1906 /* | |
1907 * Display filler lines at the end of the file | |
1908 */ | |
1909 if (char2cells(fill_diff) > 1) | |
1910 i = '-'; | |
1911 else | |
1912 i = fill_diff; | |
1913 if (row + j > wp->w_height) | |
1914 j = wp->w_height - row; | |
1915 win_draw_end(wp, i, i, row, row + (int)j, HLF_DED); | |
1916 row += j; | |
1917 } | |
1918 #endif | |
1919 } | |
1920 else if (dollar_vcol == 0) | |
1921 wp->w_botline = lnum; | |
1922 | |
1923 /* make sure the rest of the screen is blank */ | |
1924 /* put '~'s on rows that aren't part of the file. */ | |
1925 win_draw_end(wp, '~', ' ', row, wp->w_height, HLF_AT); | |
1926 } | |
1927 | |
1928 /* Reset the type of redrawing required, the window has been updated. */ | |
1929 wp->w_redr_type = 0; | |
1930 #ifdef FEAT_DIFF | |
1931 wp->w_old_topfill = wp->w_topfill; | |
1932 wp->w_old_botfill = wp->w_botfill; | |
1933 #endif | |
1934 | |
1935 if (dollar_vcol == 0) | |
1936 { | |
1937 /* | |
1938 * There is a trick with w_botline. If we invalidate it on each | |
1939 * change that might modify it, this will cause a lot of expensive | |
1940 * calls to plines() in update_topline() each time. Therefore the | |
1941 * value of w_botline is often approximated, and this value is used to | |
1942 * compute the value of w_topline. If the value of w_botline was | |
1943 * wrong, check that the value of w_topline is correct (cursor is on | |
1944 * the visible part of the text). If it's not, we need to redraw | |
1945 * again. Mostly this just means scrolling up a few lines, so it | |
1946 * doesn't look too bad. Only do this for the current window (where | |
1947 * changes are relevant). | |
1948 */ | |
1949 wp->w_valid |= VALID_BOTLINE; | |
1950 if (wp == curwin && wp->w_botline != old_botline && !recursive) | |
1951 { | |
1952 recursive = TRUE; | |
1953 curwin->w_valid &= ~VALID_TOPLINE; | |
1954 update_topline(); /* may invalidate w_botline again */ | |
1955 if (must_redraw != 0) | |
1956 { | |
1957 /* Don't update for changes in buffer again. */ | |
1958 i = curbuf->b_mod_set; | |
1959 curbuf->b_mod_set = FALSE; | |
1960 win_update(curwin); | |
1961 must_redraw = 0; | |
1962 curbuf->b_mod_set = i; | |
1963 } | |
1964 recursive = FALSE; | |
1965 } | |
1966 } | |
1967 | |
1968 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) | |
1969 /* restore got_int, unless CTRL-C was hit while redrawing */ | |
1970 if (!got_int) | |
1971 got_int = save_got_int; | |
1972 #endif | |
1973 } | |
1974 | |
1975 #ifdef FEAT_SIGNS | |
1976 static int draw_signcolumn __ARGS((win_T *wp)); | |
1977 | |
1978 /* | |
1979 * Return TRUE when window "wp" has a column to draw signs in. | |
1980 */ | |
1981 static int | |
1982 draw_signcolumn(wp) | |
1983 win_T *wp; | |
1984 { | |
1985 return (wp->w_buffer->b_signlist != NULL | |
1986 # ifdef FEAT_NETBEANS_INTG | |
2210 | 1987 || netbeans_active() |
7 | 1988 # endif |
1989 ); | |
1990 } | |
1991 #endif | |
1992 | |
1993 /* | |
1994 * Clear the rest of the window and mark the unused lines with "c1". use "c2" | |
1995 * as the filler character. | |
1996 */ | |
1997 static void | |
1998 win_draw_end(wp, c1, c2, row, endrow, hl) | |
1999 win_T *wp; | |
2000 int c1; | |
2001 int c2; | |
2002 int row; | |
2003 int endrow; | |
534 | 2004 hlf_T hl; |
7 | 2005 { |
2006 #if defined(FEAT_FOLDING) || defined(FEAT_SIGNS) || defined(FEAT_CMDWIN) | |
2007 int n = 0; | |
2008 # define FDC_OFF n | |
2009 #else | |
2010 # define FDC_OFF 0 | |
2011 #endif | |
2012 | |
2013 #ifdef FEAT_RIGHTLEFT | |
2014 if (wp->w_p_rl) | |
2015 { | |
2016 /* No check for cmdline window: should never be right-left. */ | |
2017 # ifdef FEAT_FOLDING | |
2018 n = wp->w_p_fdc; | |
2019 | |
2020 if (n > 0) | |
2021 { | |
2022 /* draw the fold column at the right */ | |
119 | 2023 if (n > W_WIDTH(wp)) |
2024 n = W_WIDTH(wp); | |
7 | 2025 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, |
2026 W_ENDCOL(wp) - n, (int)W_ENDCOL(wp), | |
2027 ' ', ' ', hl_attr(HLF_FC)); | |
2028 } | |
2029 # endif | |
2030 # ifdef FEAT_SIGNS | |
2031 if (draw_signcolumn(wp)) | |
2032 { | |
2033 int nn = n + 2; | |
2034 | |
2035 /* draw the sign column left of the fold column */ | |
119 | 2036 if (nn > W_WIDTH(wp)) |
2037 nn = W_WIDTH(wp); | |
7 | 2038 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, |
2039 W_ENDCOL(wp) - nn, (int)W_ENDCOL(wp) - n, | |
2040 ' ', ' ', hl_attr(HLF_SC)); | |
2041 n = nn; | |
2042 } | |
2043 # endif | |
2044 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2045 W_WINCOL(wp), W_ENDCOL(wp) - 1 - FDC_OFF, | |
2046 c2, c2, hl_attr(hl)); | |
2047 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2048 W_ENDCOL(wp) - 1 - FDC_OFF, W_ENDCOL(wp) - FDC_OFF, | |
2049 c1, c2, hl_attr(hl)); | |
2050 } | |
2051 else | |
2052 #endif | |
2053 { | |
2054 #ifdef FEAT_CMDWIN | |
2055 if (cmdwin_type != 0 && wp == curwin) | |
2056 { | |
2057 /* draw the cmdline character in the leftmost column */ | |
2058 n = 1; | |
2059 if (n > wp->w_width) | |
2060 n = wp->w_width; | |
2061 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2062 W_WINCOL(wp), (int)W_WINCOL(wp) + n, | |
2063 cmdwin_type, ' ', hl_attr(HLF_AT)); | |
2064 } | |
2065 #endif | |
2066 #ifdef FEAT_FOLDING | |
2067 if (wp->w_p_fdc > 0) | |
2068 { | |
2069 int nn = n + wp->w_p_fdc; | |
2070 | |
2071 /* draw the fold column at the left */ | |
2072 if (nn > W_WIDTH(wp)) | |
2073 nn = W_WIDTH(wp); | |
2074 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2075 W_WINCOL(wp) + n, (int)W_WINCOL(wp) + nn, | |
2076 ' ', ' ', hl_attr(HLF_FC)); | |
2077 n = nn; | |
2078 } | |
2079 #endif | |
2080 #ifdef FEAT_SIGNS | |
2081 if (draw_signcolumn(wp)) | |
2082 { | |
2083 int nn = n + 2; | |
2084 | |
2085 /* draw the sign column after the fold column */ | |
2086 if (nn > W_WIDTH(wp)) | |
2087 nn = W_WIDTH(wp); | |
2088 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2089 W_WINCOL(wp) + n, (int)W_WINCOL(wp) + nn, | |
2090 ' ', ' ', hl_attr(HLF_SC)); | |
2091 n = nn; | |
2092 } | |
2093 #endif | |
2094 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + endrow, | |
2095 W_WINCOL(wp) + FDC_OFF, (int)W_ENDCOL(wp), | |
2096 c1, c2, hl_attr(hl)); | |
2097 } | |
2098 set_empty_rows(wp, row); | |
2099 } | |
2100 | |
2101 #ifdef FEAT_FOLDING | |
2102 /* | |
2103 * Display one folded line. | |
2104 */ | |
2105 static void | |
2106 fold_line(wp, fold_count, foldinfo, lnum, row) | |
2107 win_T *wp; | |
2108 long fold_count; | |
2109 foldinfo_T *foldinfo; | |
2110 linenr_T lnum; | |
2111 int row; | |
2112 { | |
2113 char_u buf[51]; | |
2114 pos_T *top, *bot; | |
2115 linenr_T lnume = lnum + fold_count - 1; | |
2116 int len; | |
29 | 2117 char_u *text; |
7 | 2118 int fdc; |
2119 int col; | |
2120 int txtcol; | |
2121 int off = (int)(current_ScreenLine - ScreenLines); | |
216 | 2122 int ri; |
7 | 2123 |
2124 /* Build the fold line: | |
2125 * 1. Add the cmdwin_type for the command-line window | |
2126 * 2. Add the 'foldcolumn' | |
2178
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2127 * 3. Add the 'number' or 'relativenumber' column |
7 | 2128 * 4. Compose the text |
2129 * 5. Add the text | |
2130 * 6. set highlighting for the Visual area an other text | |
2131 */ | |
2132 col = 0; | |
2133 | |
2134 /* | |
2135 * 1. Add the cmdwin_type for the command-line window | |
2136 * Ignores 'rightleft', this window is never right-left. | |
2137 */ | |
2138 #ifdef FEAT_CMDWIN | |
2139 if (cmdwin_type != 0 && wp == curwin) | |
2140 { | |
2141 ScreenLines[off] = cmdwin_type; | |
2142 ScreenAttrs[off] = hl_attr(HLF_AT); | |
2143 #ifdef FEAT_MBYTE | |
2144 if (enc_utf8) | |
2145 ScreenLinesUC[off] = 0; | |
2146 #endif | |
2147 ++col; | |
2148 } | |
2149 #endif | |
2150 | |
2151 /* | |
2152 * 2. Add the 'foldcolumn' | |
2153 */ | |
2154 fdc = wp->w_p_fdc; | |
2155 if (fdc > W_WIDTH(wp) - col) | |
2156 fdc = W_WIDTH(wp) - col; | |
2157 if (fdc > 0) | |
2158 { | |
2159 fill_foldcolumn(buf, wp, TRUE, lnum); | |
2160 #ifdef FEAT_RIGHTLEFT | |
2161 if (wp->w_p_rl) | |
2162 { | |
2163 int i; | |
2164 | |
2165 copy_text_attr(off + W_WIDTH(wp) - fdc - col, buf, fdc, | |
2166 hl_attr(HLF_FC)); | |
2167 /* reverse the fold column */ | |
2168 for (i = 0; i < fdc; ++i) | |
2169 ScreenLines[off + W_WIDTH(wp) - i - 1 - col] = buf[i]; | |
2170 } | |
2171 else | |
2172 #endif | |
2173 copy_text_attr(off + col, buf, fdc, hl_attr(HLF_FC)); | |
2174 col += fdc; | |
2175 } | |
2176 | |
2177 #ifdef FEAT_RIGHTLEFT | |
216 | 2178 # define RL_MEMSET(p, v, l) if (wp->w_p_rl) \ |
2179 for (ri = 0; ri < l; ++ri) \ | |
2180 ScreenAttrs[off + (W_WIDTH(wp) - (p) - (l)) + ri] = v; \ | |
2181 else \ | |
2182 for (ri = 0; ri < l; ++ri) \ | |
2183 ScreenAttrs[off + (p) + ri] = v | |
7 | 2184 #else |
216 | 2185 # define RL_MEMSET(p, v, l) for (ri = 0; ri < l; ++ri) \ |
2186 ScreenAttrs[off + (p) + ri] = v | |
7 | 2187 #endif |
2188 | |
2178
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2189 /* Set all attributes of the 'number' or 'relativenumber' column and the |
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2190 * text */ |
216 | 2191 RL_MEMSET(col, hl_attr(HLF_FL), W_WIDTH(wp) - col); |
7 | 2192 |
2193 #ifdef FEAT_SIGNS | |
2194 /* If signs are being displayed, add two spaces. */ | |
2195 if (draw_signcolumn(wp)) | |
2196 { | |
2197 len = W_WIDTH(wp) - col; | |
2198 if (len > 0) | |
2199 { | |
2200 if (len > 2) | |
2201 len = 2; | |
2202 # ifdef FEAT_RIGHTLEFT | |
2203 if (wp->w_p_rl) | |
2204 /* the line number isn't reversed */ | |
2205 copy_text_attr(off + W_WIDTH(wp) - len - col, | |
2206 (char_u *)" ", len, hl_attr(HLF_FL)); | |
2207 else | |
2208 # endif | |
2209 copy_text_attr(off + col, (char_u *)" ", len, hl_attr(HLF_FL)); | |
2210 col += len; | |
2211 } | |
2212 } | |
2213 #endif | |
2214 | |
2215 /* | |
2178
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2216 * 3. Add the 'number' or 'relativenumber' column |
7 | 2217 */ |
2178
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2218 if (wp->w_p_nu || wp->w_p_rnu) |
7 | 2219 { |
2220 len = W_WIDTH(wp) - col; | |
2221 if (len > 0) | |
2222 { | |
13 | 2223 int w = number_width(wp); |
2178
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2224 long num; |
13 | 2225 |
2226 if (len > w + 1) | |
2227 len = w + 1; | |
2178
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2228 |
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2229 if (wp->w_p_nu) |
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2230 /* 'number' */ |
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2231 num = (long)lnum; |
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2232 else |
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2233 /* 'relativenumber', don't use negative numbers */ |
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2234 num = (long)abs((int)get_cursor_rel_lnum(wp, lnum)); |
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2235 |
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changeset
|
2236 sprintf((char *)buf, "%*ld ", w, num); |
7 | 2237 #ifdef FEAT_RIGHTLEFT |
2238 if (wp->w_p_rl) | |
2239 /* the line number isn't reversed */ | |
2240 copy_text_attr(off + W_WIDTH(wp) - len - col, buf, len, | |
2241 hl_attr(HLF_FL)); | |
2242 else | |
2243 #endif | |
2244 copy_text_attr(off + col, buf, len, hl_attr(HLF_FL)); | |
2245 col += len; | |
2246 } | |
2247 } | |
2248 | |
2249 /* | |
2250 * 4. Compose the folded-line string with 'foldtext', if set. | |
2251 */ | |
29 | 2252 text = get_foldtext(wp, lnum, lnume, foldinfo, buf); |
7 | 2253 |
2254 txtcol = col; /* remember where text starts */ | |
2255 | |
2256 /* | |
2257 * 5. move the text to current_ScreenLine. Fill up with "fill_fold". | |
2258 * Right-left text is put in columns 0 - number-col, normal text is put | |
2259 * in columns number-col - window-width. | |
2260 */ | |
2261 #ifdef FEAT_MBYTE | |
2262 if (has_mbyte) | |
2263 { | |
2264 int cells; | |
714 | 2265 int u8c, u8cc[MAX_MCO]; |
2266 int i; | |
7 | 2267 int idx; |
2268 int c_len; | |
33 | 2269 char_u *p; |
7 | 2270 # ifdef FEAT_ARABIC |
2271 int prev_c = 0; /* previous Arabic character */ | |
2272 int prev_c1 = 0; /* first composing char for prev_c */ | |
2273 # endif | |
2274 | |
2275 # ifdef FEAT_RIGHTLEFT | |
2276 if (wp->w_p_rl) | |
2277 idx = off; | |
2278 else | |
2279 # endif | |
2280 idx = off + col; | |
2281 | |
2282 /* Store multibyte characters in ScreenLines[] et al. correctly. */ | |
2283 for (p = text; *p != NUL; ) | |
2284 { | |
2285 cells = (*mb_ptr2cells)(p); | |
474 | 2286 c_len = (*mb_ptr2len)(p); |
7 | 2287 if (col + cells > W_WIDTH(wp) |
2288 # ifdef FEAT_RIGHTLEFT | |
2289 - (wp->w_p_rl ? col : 0) | |
2290 # endif | |
2291 ) | |
2292 break; | |
2293 ScreenLines[idx] = *p; | |
2294 if (enc_utf8) | |
2295 { | |
714 | 2296 u8c = utfc_ptr2char(p, u8cc); |
2297 if (*p < 0x80 && u8cc[0] == 0) | |
7 | 2298 { |
2299 ScreenLinesUC[idx] = 0; | |
2300 #ifdef FEAT_ARABIC | |
2301 prev_c = u8c; | |
2302 #endif | |
2303 } | |
2304 else | |
2305 { | |
2306 #ifdef FEAT_ARABIC | |
2307 if (p_arshape && !p_tbidi && ARABIC_CHAR(u8c)) | |
2308 { | |
2309 /* Do Arabic shaping. */ | |
714 | 2310 int pc, pc1, nc; |
2311 int pcc[MAX_MCO]; | |
7 | 2312 int firstbyte = *p; |
2313 | |
2314 /* The idea of what is the previous and next | |
2315 * character depends on 'rightleft'. */ | |
2316 if (wp->w_p_rl) | |
2317 { | |
2318 pc = prev_c; | |
2319 pc1 = prev_c1; | |
2320 nc = utf_ptr2char(p + c_len); | |
714 | 2321 prev_c1 = u8cc[0]; |
7 | 2322 } |
2323 else | |
2324 { | |
714 | 2325 pc = utfc_ptr2char(p + c_len, pcc); |
7 | 2326 nc = prev_c; |
714 | 2327 pc1 = pcc[0]; |
7 | 2328 } |
2329 prev_c = u8c; | |
2330 | |
714 | 2331 u8c = arabic_shape(u8c, &firstbyte, &u8cc[0], |
7 | 2332 pc, pc1, nc); |
2333 ScreenLines[idx] = firstbyte; | |
2334 } | |
2335 else | |
2336 prev_c = u8c; | |
2337 #endif | |
2338 /* Non-BMP character: display as ? or fullwidth ?. */ | |
1401 | 2339 #ifdef UNICODE16 |
7 | 2340 if (u8c >= 0x10000) |
2341 ScreenLinesUC[idx] = (cells == 2) ? 0xff1f : (int)'?'; | |
2342 else | |
1401 | 2343 #endif |
7 | 2344 ScreenLinesUC[idx] = u8c; |
714 | 2345 for (i = 0; i < Screen_mco; ++i) |
2346 { | |
2347 ScreenLinesC[i][idx] = u8cc[i]; | |
2348 if (u8cc[i] == 0) | |
2349 break; | |
2350 } | |
7 | 2351 } |
2352 if (cells > 1) | |
2353 ScreenLines[idx + 1] = 0; | |
2354 } | |
2069
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diff
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|
2355 else if (enc_dbcs == DBCS_JPNU && *p == 0x8e) |
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diff
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|
2356 /* double-byte single width character */ |
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Bram Moolenaar <bram@zimbu.org>
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diff
changeset
|
2357 ScreenLines2[idx] = p[1]; |
63613d8d7e4d
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Bram Moolenaar <bram@zimbu.org>
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diff
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|
2358 else if (cells > 1) |
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Bram Moolenaar <bram@zimbu.org>
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diff
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|
2359 /* double-width character */ |
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diff
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|
2360 ScreenLines[idx + 1] = p[1]; |
7 | 2361 col += cells; |
2362 idx += cells; | |
2363 p += c_len; | |
2364 } | |
2365 } | |
2366 else | |
2367 #endif | |
2368 { | |
2369 len = (int)STRLEN(text); | |
2370 if (len > W_WIDTH(wp) - col) | |
2371 len = W_WIDTH(wp) - col; | |
2372 if (len > 0) | |
2373 { | |
2374 #ifdef FEAT_RIGHTLEFT | |
2375 if (wp->w_p_rl) | |
2376 STRNCPY(current_ScreenLine, text, len); | |
2377 else | |
2378 #endif | |
2379 STRNCPY(current_ScreenLine + col, text, len); | |
2380 col += len; | |
2381 } | |
2382 } | |
2383 | |
2384 /* Fill the rest of the line with the fold filler */ | |
2385 #ifdef FEAT_RIGHTLEFT | |
2386 if (wp->w_p_rl) | |
2387 col -= txtcol; | |
2388 #endif | |
2389 while (col < W_WIDTH(wp) | |
2390 #ifdef FEAT_RIGHTLEFT | |
2391 - (wp->w_p_rl ? txtcol : 0) | |
2392 #endif | |
2393 ) | |
2394 { | |
2395 #ifdef FEAT_MBYTE | |
2396 if (enc_utf8) | |
2397 { | |
2398 if (fill_fold >= 0x80) | |
2399 { | |
2400 ScreenLinesUC[off + col] = fill_fold; | |
714 | 2401 ScreenLinesC[0][off + col] = 0; |
7 | 2402 } |
2403 else | |
2404 ScreenLinesUC[off + col] = 0; | |
2405 } | |
2406 #endif | |
2407 ScreenLines[off + col++] = fill_fold; | |
2408 } | |
2409 | |
2410 if (text != buf) | |
2411 vim_free(text); | |
2412 | |
2413 /* | |
2414 * 6. set highlighting for the Visual area an other text. | |
2415 * If all folded lines are in the Visual area, highlight the line. | |
2416 */ | |
2417 #ifdef FEAT_VISUAL | |
2418 if (VIsual_active && wp->w_buffer == curwin->w_buffer) | |
2419 { | |
2420 if (ltoreq(curwin->w_cursor, VIsual)) | |
2421 { | |
2422 /* Visual is after curwin->w_cursor */ | |
2423 top = &curwin->w_cursor; | |
2424 bot = &VIsual; | |
2425 } | |
2426 else | |
2427 { | |
2428 /* Visual is before curwin->w_cursor */ | |
2429 top = &VIsual; | |
2430 bot = &curwin->w_cursor; | |
2431 } | |
2432 if (lnum >= top->lnum | |
2433 && lnume <= bot->lnum | |
2434 && (VIsual_mode != 'v' | |
2435 || ((lnum > top->lnum | |
2436 || (lnum == top->lnum | |
2437 && top->col == 0)) | |
2438 && (lnume < bot->lnum | |
2439 || (lnume == bot->lnum | |
2440 && (bot->col - (*p_sel == 'e')) | |
1883 | 2441 >= (colnr_T)STRLEN(ml_get_buf(wp->w_buffer, lnume, FALSE))))))) |
7 | 2442 { |
2443 if (VIsual_mode == Ctrl_V) | |
2444 { | |
2445 /* Visual block mode: highlight the chars part of the block */ | |
2446 if (wp->w_old_cursor_fcol + txtcol < (colnr_T)W_WIDTH(wp)) | |
2447 { | |
2448 if (wp->w_old_cursor_lcol + txtcol < (colnr_T)W_WIDTH(wp)) | |
2449 len = wp->w_old_cursor_lcol; | |
2450 else | |
2451 len = W_WIDTH(wp) - txtcol; | |
2452 RL_MEMSET(wp->w_old_cursor_fcol + txtcol, hl_attr(HLF_V), | |
230 | 2453 len - (int)wp->w_old_cursor_fcol); |
7 | 2454 } |
2455 } | |
2456 else | |
216 | 2457 { |
7 | 2458 /* Set all attributes of the text */ |
216 | 2459 RL_MEMSET(txtcol, hl_attr(HLF_V), W_WIDTH(wp) - txtcol); |
2460 } | |
7 | 2461 } |
2462 } | |
2463 #endif | |
2464 | |
743 | 2465 #ifdef FEAT_SYN_HL |
2466 /* Show 'cursorcolumn' in the fold line. */ | |
1725 | 2467 if (wp->w_p_cuc) |
2468 { | |
2469 txtcol += wp->w_virtcol; | |
2470 if (wp->w_p_wrap) | |
2471 txtcol -= wp->w_skipcol; | |
2472 else | |
2473 txtcol -= wp->w_leftcol; | |
2474 if (txtcol >= 0 && txtcol < W_WIDTH(wp)) | |
2475 ScreenAttrs[off + txtcol] = hl_combine_attr( | |
2476 ScreenAttrs[off + txtcol], hl_attr(HLF_CUC)); | |
2477 } | |
743 | 2478 #endif |
7 | 2479 |
2480 SCREEN_LINE(row + W_WINROW(wp), W_WINCOL(wp), (int)W_WIDTH(wp), | |
2481 (int)W_WIDTH(wp), FALSE); | |
2482 | |
2483 /* | |
2484 * Update w_cline_height and w_cline_folded if the cursor line was | |
2485 * updated (saves a call to plines() later). | |
2486 */ | |
2487 if (wp == curwin | |
2488 && lnum <= curwin->w_cursor.lnum | |
2489 && lnume >= curwin->w_cursor.lnum) | |
2490 { | |
2491 curwin->w_cline_row = row; | |
2492 curwin->w_cline_height = 1; | |
2493 curwin->w_cline_folded = TRUE; | |
2494 curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW); | |
2495 } | |
2496 } | |
2497 | |
2498 /* | |
2499 * Copy "buf[len]" to ScreenLines["off"] and set attributes to "attr". | |
2500 */ | |
2501 static void | |
2502 copy_text_attr(off, buf, len, attr) | |
2503 int off; | |
2504 char_u *buf; | |
2505 int len; | |
2506 int attr; | |
2507 { | |
216 | 2508 int i; |
2509 | |
7 | 2510 mch_memmove(ScreenLines + off, buf, (size_t)len); |
2511 # ifdef FEAT_MBYTE | |
2512 if (enc_utf8) | |
2513 vim_memset(ScreenLinesUC + off, 0, sizeof(u8char_T) * (size_t)len); | |
2514 # endif | |
216 | 2515 for (i = 0; i < len; ++i) |
2516 ScreenAttrs[off + i] = attr; | |
7 | 2517 } |
2518 | |
2519 /* | |
2520 * Fill the foldcolumn at "p" for window "wp". | |
548 | 2521 * Only to be called when 'foldcolumn' > 0. |
7 | 2522 */ |
2523 static void | |
2524 fill_foldcolumn(p, wp, closed, lnum) | |
2525 char_u *p; | |
2526 win_T *wp; | |
2527 int closed; /* TRUE of FALSE */ | |
2528 linenr_T lnum; /* current line number */ | |
2529 { | |
2530 int i = 0; | |
2531 int level; | |
2532 int first_level; | |
519 | 2533 int empty; |
7 | 2534 |
2535 /* Init to all spaces. */ | |
2536 copy_spaces(p, (size_t)wp->w_p_fdc); | |
2537 | |
2538 level = win_foldinfo.fi_level; | |
2539 if (level > 0) | |
2540 { | |
519 | 2541 /* If there is only one column put more info in it. */ |
2542 empty = (wp->w_p_fdc == 1) ? 0 : 1; | |
2543 | |
7 | 2544 /* If the column is too narrow, we start at the lowest level that |
2545 * fits and use numbers to indicated the depth. */ | |
519 | 2546 first_level = level - wp->w_p_fdc - closed + 1 + empty; |
7 | 2547 if (first_level < 1) |
2548 first_level = 1; | |
2549 | |
519 | 2550 for (i = 0; i + empty < wp->w_p_fdc; ++i) |
7 | 2551 { |
2552 if (win_foldinfo.fi_lnum == lnum | |
2553 && first_level + i >= win_foldinfo.fi_low_level) | |
2554 p[i] = '-'; | |
2555 else if (first_level == 1) | |
2556 p[i] = '|'; | |
2557 else if (first_level + i <= 9) | |
2558 p[i] = '0' + first_level + i; | |
2559 else | |
2560 p[i] = '>'; | |
2561 if (first_level + i == level) | |
2562 break; | |
2563 } | |
2564 } | |
2565 if (closed) | |
548 | 2566 p[i >= wp->w_p_fdc ? i - 1 : i] = '+'; |
7 | 2567 } |
2568 #endif /* FEAT_FOLDING */ | |
2569 | |
2570 /* | |
2571 * Display line "lnum" of window 'wp' on the screen. | |
2572 * Start at row "startrow", stop when "endrow" is reached. | |
2573 * wp->w_virtcol needs to be valid. | |
2574 * | |
2575 * Return the number of last row the line occupies. | |
2576 */ | |
2577 static int | |
625 | 2578 win_line(wp, lnum, startrow, endrow, nochange) |
7 | 2579 win_T *wp; |
2580 linenr_T lnum; | |
2581 int startrow; | |
2582 int endrow; | |
1883 | 2583 int nochange UNUSED; /* not updating for changed text */ |
7 | 2584 { |
2585 int col; /* visual column on screen */ | |
2586 unsigned off; /* offset in ScreenLines/ScreenAttrs */ | |
2587 int c = 0; /* init for GCC */ | |
2588 long vcol = 0; /* virtual column (for tabs) */ | |
2589 long vcol_prev = -1; /* "vcol" of previous character */ | |
2590 char_u *line; /* current line */ | |
2591 char_u *ptr; /* current position in "line" */ | |
2592 int row; /* row in the window, excl w_winrow */ | |
2593 int screen_row; /* row on the screen, incl w_winrow */ | |
2594 | |
2595 char_u extra[18]; /* "%ld" and 'fdc' must fit in here */ | |
2596 int n_extra = 0; /* number of extra chars */ | |
1340 | 2597 char_u *p_extra = NULL; /* string of extra chars, plus NUL */ |
7 | 2598 int c_extra = NUL; /* extra chars, all the same */ |
2599 int extra_attr = 0; /* attributes when n_extra != 0 */ | |
2600 static char_u *at_end_str = (char_u *)""; /* used for p_extra when | |
2601 displaying lcs_eol at end-of-line */ | |
2602 int lcs_eol_one = lcs_eol; /* lcs_eol until it's been used */ | |
2603 int lcs_prec_todo = lcs_prec; /* lcs_prec until it's been used */ | |
2604 | |
2605 /* saved "extra" items for when draw_state becomes WL_LINE (again) */ | |
2606 int saved_n_extra = 0; | |
2607 char_u *saved_p_extra = NULL; | |
2608 int saved_c_extra = 0; | |
2609 int saved_char_attr = 0; | |
2610 | |
2611 int n_attr = 0; /* chars with special attr */ | |
2612 int saved_attr2 = 0; /* char_attr saved for n_attr */ | |
2613 int n_attr3 = 0; /* chars with overruling special attr */ | |
2614 int saved_attr3 = 0; /* char_attr saved for n_attr3 */ | |
2615 | |
2616 int n_skip = 0; /* nr of chars to skip for 'nowrap' */ | |
2617 | |
2618 int fromcol, tocol; /* start/end of inverting */ | |
2619 int fromcol_prev = -2; /* start of inverting after cursor */ | |
2620 int noinvcur = FALSE; /* don't invert the cursor */ | |
2621 #ifdef FEAT_VISUAL | |
2622 pos_T *top, *bot; | |
1813 | 2623 int lnum_in_visual_area = FALSE; |
7 | 2624 #endif |
2625 pos_T pos; | |
2626 long v; | |
2627 | |
2628 int char_attr = 0; /* attributes for next character */ | |
674 | 2629 int attr_pri = FALSE; /* char_attr has priority */ |
7 | 2630 int area_highlighting = FALSE; /* Visual or incsearch highlighting |
2631 in this line */ | |
2632 int attr = 0; /* attributes for area highlighting */ | |
2633 int area_attr = 0; /* attributes desired by highlighting */ | |
2634 int search_attr = 0; /* attributes desired by 'hlsearch' */ | |
2635 #ifdef FEAT_SYN_HL | |
743 | 2636 int vcol_save_attr = 0; /* saved attr for 'cursorcolumn' */ |
7 | 2637 int syntax_attr = 0; /* attributes desired by syntax */ |
2638 int has_syntax = FALSE; /* this buffer has syntax highl. */ | |
2639 int save_did_emsg; | |
1437 | 2640 int eol_hl_off = 0; /* 1 if highlighted char after EOL */ |
743 | 2641 #endif |
2642 #ifdef FEAT_SPELL | |
221 | 2643 int has_spell = FALSE; /* this buffer has spell checking */ |
348 | 2644 # define SPWORDLEN 150 |
2645 char_u nextline[SPWORDLEN * 2];/* text with start of the next line */ | |
353 | 2646 int nextlinecol = 0; /* column where nextline[] starts */ |
2647 int nextline_idx = 0; /* index in nextline[] where next line | |
348 | 2648 starts */ |
221 | 2649 int spell_attr = 0; /* attributes desired by spelling */ |
2650 int word_end = 0; /* last byte with same spell_attr */ | |
378 | 2651 static linenr_T checked_lnum = 0; /* line number for "checked_col" */ |
2652 static int checked_col = 0; /* column in "checked_lnum" up to which | |
348 | 2653 * there are no spell errors */ |
386 | 2654 static int cap_col = -1; /* column to check for Cap word */ |
2655 static linenr_T capcol_lnum = 0; /* line number where "cap_col" used */ | |
348 | 2656 int cur_checked_col = 0; /* checked column for current line */ |
7 | 2657 #endif |
2658 int extra_check; /* has syntax or linebreak */ | |
2659 #ifdef FEAT_MBYTE | |
2660 int multi_attr = 0; /* attributes desired by multibyte */ | |
2661 int mb_l = 1; /* multi-byte byte length */ | |
2662 int mb_c = 0; /* decoded multi-byte character */ | |
2663 int mb_utf8 = FALSE; /* screen char is UTF-8 char */ | |
714 | 2664 int u8cc[MAX_MCO]; /* composing UTF-8 chars */ |
7 | 2665 #endif |
2666 #ifdef FEAT_DIFF | |
2667 int filler_lines; /* nr of filler lines to be drawn */ | |
2668 int filler_todo; /* nr of filler lines still to do + 1 */ | |
534 | 2669 hlf_T diff_hlf = (hlf_T)0; /* type of diff highlighting */ |
7 | 2670 int change_start = MAXCOL; /* first col of changed area */ |
2671 int change_end = -1; /* last col of changed area */ | |
2672 #endif | |
2673 colnr_T trailcol = MAXCOL; /* start of trailing spaces */ | |
2674 #ifdef FEAT_LINEBREAK | |
2675 int need_showbreak = FALSE; | |
2676 #endif | |
910 | 2677 #if defined(FEAT_SIGNS) || (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \ |
2678 || defined(FEAT_SYN_HL) || defined(FEAT_DIFF) | |
7 | 2679 # define LINE_ATTR |
1536 | 2680 int line_attr = 0; /* attribute for the whole line */ |
7 | 2681 #endif |
2682 #ifdef FEAT_SEARCH_EXTRA | |
1326 | 2683 matchitem_T *cur; /* points to the match list */ |
2684 match_T *shl; /* points to search_hl or a match */ | |
2685 int shl_flag; /* flag to indicate whether search_hl | |
2686 has been processed or not */ | |
2687 int prevcol_hl_flag; /* flag to indicate whether prevcol | |
2688 equals startcol of search_hl or one | |
2689 of the matches */ | |
7 | 2690 #endif |
2691 #ifdef FEAT_ARABIC | |
2692 int prev_c = 0; /* previous Arabic character */ | |
2693 int prev_c1 = 0; /* first composing char for prev_c */ | |
2694 #endif | |
910 | 2695 #if defined(LINE_ATTR) |
867 | 2696 int did_line_attr = 0; |
2697 #endif | |
7 | 2698 |
2699 /* draw_state: items that are drawn in sequence: */ | |
2700 #define WL_START 0 /* nothing done yet */ | |
2701 #ifdef FEAT_CMDWIN | |
2702 # define WL_CMDLINE WL_START + 1 /* cmdline window column */ | |
2703 #else | |
2704 # define WL_CMDLINE WL_START | |
2705 #endif | |
2706 #ifdef FEAT_FOLDING | |
2707 # define WL_FOLD WL_CMDLINE + 1 /* 'foldcolumn' */ | |
2708 #else | |
2709 # define WL_FOLD WL_CMDLINE | |
2710 #endif | |
2711 #ifdef FEAT_SIGNS | |
2712 # define WL_SIGN WL_FOLD + 1 /* column for signs */ | |
2713 #else | |
2714 # define WL_SIGN WL_FOLD /* column for signs */ | |
2715 #endif | |
2716 #define WL_NR WL_SIGN + 1 /* line number */ | |
2717 #if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF) | |
2718 # define WL_SBR WL_NR + 1 /* 'showbreak' or 'diff' */ | |
2719 #else | |
2720 # define WL_SBR WL_NR | |
2721 #endif | |
2722 #define WL_LINE WL_SBR + 1 /* text in the line */ | |
2723 int draw_state = WL_START; /* what to draw next */ | |
574 | 2724 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) |
7 | 2725 int feedback_col = 0; |
2726 int feedback_old_attr = -1; | |
2727 #endif | |
2728 | |
2729 | |
2730 if (startrow > endrow) /* past the end already! */ | |
2731 return startrow; | |
2732 | |
2733 row = startrow; | |
2734 screen_row = row + W_WINROW(wp); | |
2735 | |
2736 /* | |
2737 * To speed up the loop below, set extra_check when there is linebreak, | |
2738 * trailing white space and/or syntax processing to be done. | |
2739 */ | |
2740 #ifdef FEAT_LINEBREAK | |
2741 extra_check = wp->w_p_lbr; | |
2742 #else | |
2743 extra_check = 0; | |
2744 #endif | |
2745 #ifdef FEAT_SYN_HL | |
482 | 2746 if (syntax_present(wp->w_buffer) && !wp->w_buffer->b_syn_error) |
7 | 2747 { |
2748 /* Prepare for syntax highlighting in this line. When there is an | |
2749 * error, stop syntax highlighting. */ | |
2750 save_did_emsg = did_emsg; | |
2751 did_emsg = FALSE; | |
2752 syntax_start(wp, lnum); | |
2753 if (did_emsg) | |
482 | 2754 wp->w_buffer->b_syn_error = TRUE; |
7 | 2755 else |
2756 { | |
2757 did_emsg = save_did_emsg; | |
2758 has_syntax = TRUE; | |
2759 extra_check = TRUE; | |
2760 } | |
2761 } | |
743 | 2762 #endif |
2763 | |
2764 #ifdef FEAT_SPELL | |
258 | 2765 if (wp->w_p_spell |
2766 && *wp->w_buffer->b_p_spl != NUL | |
2767 && wp->w_buffer->b_langp.ga_len > 0 | |
2768 && *(char **)(wp->w_buffer->b_langp.ga_data) != NULL) | |
221 | 2769 { |
2770 /* Prepare for spell checking. */ | |
2771 has_spell = TRUE; | |
2772 extra_check = TRUE; | |
348 | 2773 |
2774 /* Get the start of the next line, so that words that wrap to the next | |
2775 * line are found too: "et<line-break>al.". | |
2776 * Trick: skip a few chars for C/shell/Vim comments */ | |
2777 nextline[SPWORDLEN] = NUL; | |
2778 if (lnum < wp->w_buffer->b_ml.ml_line_count) | |
2779 { | |
2780 line = ml_get_buf(wp->w_buffer, lnum + 1, FALSE); | |
2781 spell_cat_line(nextline + SPWORDLEN, line, SPWORDLEN); | |
2782 } | |
2783 | |
2784 /* When a word wrapped from the previous line the start of the current | |
2785 * line is valid. */ | |
2786 if (lnum == checked_lnum) | |
2787 cur_checked_col = checked_col; | |
2788 checked_lnum = 0; | |
386 | 2789 |
2790 /* When there was a sentence end in the previous line may require a | |
2791 * word starting with capital in this line. In line 1 always check | |
2792 * the first word. */ | |
2793 if (lnum != capcol_lnum) | |
2794 cap_col = -1; | |
2795 if (lnum == 1) | |
2796 cap_col = 0; | |
2797 capcol_lnum = 0; | |
221 | 2798 } |
7 | 2799 #endif |
2800 | |
2801 /* | |
2802 * handle visual active in this window | |
2803 */ | |
2804 fromcol = -10; | |
2805 tocol = MAXCOL; | |
2806 #ifdef FEAT_VISUAL | |
2807 if (VIsual_active && wp->w_buffer == curwin->w_buffer) | |
2808 { | |
2809 /* Visual is after curwin->w_cursor */ | |
2810 if (ltoreq(curwin->w_cursor, VIsual)) | |
2811 { | |
2812 top = &curwin->w_cursor; | |
2813 bot = &VIsual; | |
2814 } | |
2815 else /* Visual is before curwin->w_cursor */ | |
2816 { | |
2817 top = &VIsual; | |
2818 bot = &curwin->w_cursor; | |
2819 } | |
1813 | 2820 lnum_in_visual_area = (lnum >= top->lnum && lnum <= bot->lnum); |
7 | 2821 if (VIsual_mode == Ctrl_V) /* block mode */ |
2822 { | |
1813 | 2823 if (lnum_in_visual_area) |
7 | 2824 { |
2825 fromcol = wp->w_old_cursor_fcol; | |
2826 tocol = wp->w_old_cursor_lcol; | |
2827 } | |
2828 } | |
2829 else /* non-block mode */ | |
2830 { | |
2831 if (lnum > top->lnum && lnum <= bot->lnum) | |
2832 fromcol = 0; | |
2833 else if (lnum == top->lnum) | |
2834 { | |
2835 if (VIsual_mode == 'V') /* linewise */ | |
2836 fromcol = 0; | |
2837 else | |
2838 { | |
2839 getvvcol(wp, top, (colnr_T *)&fromcol, NULL, NULL); | |
2840 if (gchar_pos(top) == NUL) | |
2841 tocol = fromcol + 1; | |
2842 } | |
2843 } | |
2844 if (VIsual_mode != 'V' && lnum == bot->lnum) | |
2845 { | |
2846 if (*p_sel == 'e' && bot->col == 0 | |
2847 #ifdef FEAT_VIRTUALEDIT | |
2848 && bot->coladd == 0 | |
2849 #endif | |
2850 ) | |
2851 { | |
2852 fromcol = -10; | |
2853 tocol = MAXCOL; | |
2854 } | |
36 | 2855 else if (bot->col == MAXCOL) |
2856 tocol = MAXCOL; | |
7 | 2857 else |
2858 { | |
2859 pos = *bot; | |
2860 if (*p_sel == 'e') | |
2861 getvvcol(wp, &pos, (colnr_T *)&tocol, NULL, NULL); | |
2862 else | |
2863 { | |
2864 getvvcol(wp, &pos, NULL, NULL, (colnr_T *)&tocol); | |
2865 ++tocol; | |
2866 } | |
2867 } | |
2868 } | |
2869 } | |
2870 | |
2871 #ifndef MSDOS | |
2872 /* Check if the character under the cursor should not be inverted */ | |
2873 if (!highlight_match && lnum == curwin->w_cursor.lnum && wp == curwin | |
2874 # ifdef FEAT_GUI | |
2875 && !gui.in_use | |
2876 # endif | |
2877 ) | |
2878 noinvcur = TRUE; | |
2879 #endif | |
2880 | |
2881 /* if inverting in this line set area_highlighting */ | |
2882 if (fromcol >= 0) | |
2883 { | |
2884 area_highlighting = TRUE; | |
2885 attr = hl_attr(HLF_V); | |
2886 #if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) | |
2887 if (clip_star.available && !clip_star.owned && clip_isautosel()) | |
2888 attr = hl_attr(HLF_VNC); | |
2889 #endif | |
2890 } | |
2891 } | |
2892 | |
2893 /* | |
674 | 2894 * handle 'incsearch' and ":s///c" highlighting |
7 | 2895 */ |
2896 else | |
2897 #endif /* FEAT_VISUAL */ | |
2898 if (highlight_match | |
2899 && wp == curwin | |
2900 && lnum >= curwin->w_cursor.lnum | |
2901 && lnum <= curwin->w_cursor.lnum + search_match_lines) | |
2902 { | |
2903 if (lnum == curwin->w_cursor.lnum) | |
2904 getvcol(curwin, &(curwin->w_cursor), | |
2905 (colnr_T *)&fromcol, NULL, NULL); | |
2906 else | |
2907 fromcol = 0; | |
2908 if (lnum == curwin->w_cursor.lnum + search_match_lines) | |
2909 { | |
2910 pos.lnum = lnum; | |
2911 pos.col = search_match_endcol; | |
2912 getvcol(curwin, &pos, (colnr_T *)&tocol, NULL, NULL); | |
2913 } | |
2914 else | |
2915 tocol = MAXCOL; | |
1850 | 2916 /* do at least one character; happens when past end of line */ |
2917 if (fromcol == tocol) | |
2918 tocol = fromcol + 1; | |
7 | 2919 area_highlighting = TRUE; |
2920 attr = hl_attr(HLF_I); | |
2921 } | |
2922 | |
2923 #ifdef FEAT_DIFF | |
2924 filler_lines = diff_check(wp, lnum); | |
2925 if (filler_lines < 0) | |
2926 { | |
2927 if (filler_lines == -1) | |
2928 { | |
2929 if (diff_find_change(wp, lnum, &change_start, &change_end)) | |
2930 diff_hlf = HLF_ADD; /* added line */ | |
2931 else if (change_start == 0) | |
2932 diff_hlf = HLF_TXD; /* changed text */ | |
2933 else | |
2934 diff_hlf = HLF_CHD; /* changed line */ | |
2935 } | |
2936 else | |
2937 diff_hlf = HLF_ADD; /* added line */ | |
2938 filler_lines = 0; | |
2939 area_highlighting = TRUE; | |
2940 } | |
2941 if (lnum == wp->w_topline) | |
2942 filler_lines = wp->w_topfill; | |
2943 filler_todo = filler_lines; | |
2944 #endif | |
2945 | |
2946 #ifdef LINE_ATTR | |
2947 # ifdef FEAT_SIGNS | |
2948 /* If this line has a sign with line highlighting set line_attr. */ | |
2949 v = buf_getsigntype(wp->w_buffer, lnum, SIGN_LINEHL); | |
2950 if (v != 0) | |
2951 line_attr = sign_get_attr((int)v, TRUE); | |
2952 # endif | |
2953 # if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) | |
2954 /* Highlight the current line in the quickfix window. */ | |
644 | 2955 if (bt_quickfix(wp->w_buffer) && qf_current_entry(wp) == lnum) |
7 | 2956 line_attr = hl_attr(HLF_L); |
2957 # endif | |
2958 if (line_attr != 0) | |
2959 area_highlighting = TRUE; | |
2960 #endif | |
2961 | |
2962 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
2963 ptr = line; | |
2964 | |
743 | 2965 #ifdef FEAT_SPELL |
348 | 2966 if (has_spell) |
2967 { | |
386 | 2968 /* For checking first word with a capital skip white space. */ |
2969 if (cap_col == 0) | |
835 | 2970 cap_col = (int)(skipwhite(line) - line); |
386 | 2971 |
348 | 2972 /* To be able to spell-check over line boundaries copy the end of the |
2973 * current line into nextline[]. Above the start of the next line was | |
2974 * copied to nextline[SPWORDLEN]. */ | |
2975 if (nextline[SPWORDLEN] == NUL) | |
2976 { | |
2977 /* No next line or it is empty. */ | |
2978 nextlinecol = MAXCOL; | |
2979 nextline_idx = 0; | |
2980 } | |
2981 else | |
2982 { | |
835 | 2983 v = (long)STRLEN(line); |
348 | 2984 if (v < SPWORDLEN) |
2985 { | |
2986 /* Short line, use it completely and append the start of the | |
2987 * next line. */ | |
2988 nextlinecol = 0; | |
2989 mch_memmove(nextline, line, (size_t)v); | |
1621 | 2990 STRMOVE(nextline + v, nextline + SPWORDLEN); |
348 | 2991 nextline_idx = v + 1; |
2992 } | |
2993 else | |
2994 { | |
2995 /* Long line, use only the last SPWORDLEN bytes. */ | |
2996 nextlinecol = v - SPWORDLEN; | |
2997 mch_memmove(nextline, line + nextlinecol, SPWORDLEN); | |
2998 nextline_idx = SPWORDLEN + 1; | |
2999 } | |
3000 } | |
3001 } | |
3002 #endif | |
3003 | |
7 | 3004 /* find start of trailing whitespace */ |
3005 if (wp->w_p_list && lcs_trail) | |
3006 { | |
3007 trailcol = (colnr_T)STRLEN(ptr); | |
3008 while (trailcol > (colnr_T)0 && vim_iswhite(ptr[trailcol - 1])) | |
3009 --trailcol; | |
3010 trailcol += (colnr_T) (ptr - line); | |
3011 extra_check = TRUE; | |
3012 } | |
3013 | |
3014 /* | |
3015 * 'nowrap' or 'wrap' and a single line that doesn't fit: Advance to the | |
3016 * first character to be displayed. | |
3017 */ | |
3018 if (wp->w_p_wrap) | |
3019 v = wp->w_skipcol; | |
3020 else | |
3021 v = wp->w_leftcol; | |
3022 if (v > 0) | |
3023 { | |
3024 #ifdef FEAT_MBYTE | |
3025 char_u *prev_ptr = ptr; | |
3026 #endif | |
3027 while (vcol < v && *ptr != NUL) | |
3028 { | |
3029 c = win_lbr_chartabsize(wp, ptr, (colnr_T)vcol, NULL); | |
3030 vcol += c; | |
3031 #ifdef FEAT_MBYTE | |
3032 prev_ptr = ptr; | |
39 | 3033 #endif |
3034 mb_ptr_adv(ptr); | |
7 | 3035 } |
3036 | |
1984 | 3037 #if defined(FEAT_SYN_HL) || defined(FEAT_VIRTUALEDIT) || defined(FEAT_VISUAL) |
3038 /* When: | |
3039 * - 'cuc' is set, or | |
3040 * - 'virtualedit' is set, or | |
3041 * - the visual mode is active, | |
3042 * the end of the line may be before the start of the displayed part. | |
3043 */ | |
3044 if (vcol < v && ( | |
3045 # ifdef FEAT_SYN_HL | |
3046 wp->w_p_cuc | |
3047 # if defined(FEAT_VIRTUALEDIT) || defined(FEAT_VISUAL) | |
3048 || | |
3049 # endif | |
3050 # endif | |
3051 # ifdef FEAT_VIRTUALEDIT | |
3052 virtual_active() | |
3053 # ifdef FEAT_VISUAL | |
3054 || | |
3055 # endif | |
3056 # endif | |
3057 # ifdef FEAT_VISUAL | |
3058 (VIsual_active && wp->w_buffer == curwin->w_buffer) | |
3059 # endif | |
3060 )) | |
3061 { | |
7 | 3062 vcol = v; |
1984 | 3063 } |
7 | 3064 #endif |
3065 | |
3066 /* Handle a character that's not completely on the screen: Put ptr at | |
3067 * that character but skip the first few screen characters. */ | |
3068 if (vcol > v) | |
3069 { | |
3070 vcol -= c; | |
3071 #ifdef FEAT_MBYTE | |
3072 ptr = prev_ptr; | |
3073 #else | |
3074 --ptr; | |
3075 #endif | |
3076 n_skip = v - vcol; | |
3077 } | |
3078 | |
3079 /* | |
3080 * Adjust for when the inverted text is before the screen, | |
3081 * and when the start of the inverted text is before the screen. | |
3082 */ | |
3083 if (tocol <= vcol) | |
3084 fromcol = 0; | |
3085 else if (fromcol >= 0 && fromcol < vcol) | |
3086 fromcol = vcol; | |
3087 | |
3088 #ifdef FEAT_LINEBREAK | |
3089 /* When w_skipcol is non-zero, first line needs 'showbreak' */ | |
3090 if (wp->w_p_wrap) | |
3091 need_showbreak = TRUE; | |
3092 #endif | |
743 | 3093 #ifdef FEAT_SPELL |
499 | 3094 /* When spell checking a word we need to figure out the start of the |
3095 * word and if it's badly spelled or not. */ | |
3096 if (has_spell) | |
3097 { | |
3098 int len; | |
1536 | 3099 colnr_T linecol = (colnr_T)(ptr - line); |
534 | 3100 hlf_T spell_hlf = HLF_COUNT; |
499 | 3101 |
3102 pos = wp->w_cursor; | |
3103 wp->w_cursor.lnum = lnum; | |
1536 | 3104 wp->w_cursor.col = linecol; |
534 | 3105 len = spell_move_to(wp, FORWARD, TRUE, TRUE, &spell_hlf); |
1536 | 3106 |
3107 /* spell_move_to() may call ml_get() and make "line" invalid */ | |
3108 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
3109 ptr = line + linecol; | |
3110 | |
530 | 3111 if (len == 0 || (int)wp->w_cursor.col > ptr - line) |
499 | 3112 { |
3113 /* no bad word found at line start, don't check until end of a | |
3114 * word */ | |
534 | 3115 spell_hlf = HLF_COUNT; |
1536 | 3116 word_end = (int)(spell_to_word_end(ptr, wp->w_buffer) |
3117 - line + 1); | |
499 | 3118 } |
3119 else | |
534 | 3120 { |
499 | 3121 /* bad word found, use attributes until end of word */ |
3122 word_end = wp->w_cursor.col + len + 1; | |
3123 | |
534 | 3124 /* Turn index into actual attributes. */ |
3125 if (spell_hlf != HLF_COUNT) | |
3126 spell_attr = highlight_attr[spell_hlf]; | |
3127 } | |
499 | 3128 wp->w_cursor = pos; |
501 | 3129 |
743 | 3130 # ifdef FEAT_SYN_HL |
501 | 3131 /* Need to restart syntax highlighting for this line. */ |
3132 if (has_syntax) | |
3133 syntax_start(wp, lnum); | |
743 | 3134 # endif |
499 | 3135 } |
3136 #endif | |
7 | 3137 } |
3138 | |
3139 /* | |
3140 * Correct highlighting for cursor that can't be disabled. | |
3141 * Avoids having to check this for each character. | |
3142 */ | |
3143 if (fromcol >= 0) | |
3144 { | |
3145 if (noinvcur) | |
3146 { | |
3147 if ((colnr_T)fromcol == wp->w_virtcol) | |
3148 { | |
3149 /* highlighting starts at cursor, let it start just after the | |
3150 * cursor */ | |
3151 fromcol_prev = fromcol; | |
3152 fromcol = -1; | |
3153 } | |
3154 else if ((colnr_T)fromcol < wp->w_virtcol) | |
3155 /* restart highlighting after the cursor */ | |
3156 fromcol_prev = wp->w_virtcol; | |
3157 } | |
3158 if (fromcol >= tocol) | |
3159 fromcol = -1; | |
3160 } | |
3161 | |
3162 #ifdef FEAT_SEARCH_EXTRA | |
3163 /* | |
1326 | 3164 * Handle highlighting the last used search pattern and matches. |
3165 * Do this for both search_hl and the match list. | |
7 | 3166 */ |
1326 | 3167 cur = wp->w_match_head; |
3168 shl_flag = FALSE; | |
3169 while (cur != NULL || shl_flag == FALSE) | |
3170 { | |
3171 if (shl_flag == FALSE) | |
3172 { | |
3173 shl = &search_hl; | |
3174 shl_flag = TRUE; | |
3175 } | |
3176 else | |
3177 shl = &cur->hl; | |
36 | 3178 shl->startcol = MAXCOL; |
3179 shl->endcol = MAXCOL; | |
7 | 3180 shl->attr_cur = 0; |
3181 if (shl->rm.regprog != NULL) | |
3182 { | |
3183 v = (long)(ptr - line); | |
3184 next_search_hl(wp, shl, lnum, (colnr_T)v); | |
3185 | |
3186 /* Need to get the line again, a multi-line regexp may have made it | |
3187 * invalid. */ | |
3188 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
3189 ptr = line + v; | |
3190 | |
3191 if (shl->lnum != 0 && shl->lnum <= lnum) | |
3192 { | |
3193 if (shl->lnum == lnum) | |
36 | 3194 shl->startcol = shl->rm.startpos[0].col; |
7 | 3195 else |
36 | 3196 shl->startcol = 0; |
7 | 3197 if (lnum == shl->lnum + shl->rm.endpos[0].lnum |
3198 - shl->rm.startpos[0].lnum) | |
36 | 3199 shl->endcol = shl->rm.endpos[0].col; |
7 | 3200 else |
36 | 3201 shl->endcol = MAXCOL; |
7 | 3202 /* Highlight one character for an empty match. */ |
36 | 3203 if (shl->startcol == shl->endcol) |
7 | 3204 { |
3205 #ifdef FEAT_MBYTE | |
36 | 3206 if (has_mbyte && line[shl->endcol] != NUL) |
474 | 3207 shl->endcol += (*mb_ptr2len)(line + shl->endcol); |
7 | 3208 else |
3209 #endif | |
36 | 3210 ++shl->endcol; |
7 | 3211 } |
36 | 3212 if ((long)shl->startcol < v) /* match at leftcol */ |
7 | 3213 { |
3214 shl->attr_cur = shl->attr; | |
3215 search_attr = shl->attr; | |
3216 } | |
3217 area_highlighting = TRUE; | |
3218 } | |
3219 } | |
1326 | 3220 if (shl != &search_hl && cur != NULL) |
3221 cur = cur->next; | |
7 | 3222 } |
3223 #endif | |
3224 | |
743 | 3225 #ifdef FEAT_SYN_HL |
818 | 3226 /* Cursor line highlighting for 'cursorline'. Not when Visual mode is |
3227 * active, because it's not clear what is selected then. */ | |
3228 if (wp->w_p_cul && lnum == wp->w_cursor.lnum && !VIsual_active) | |
743 | 3229 { |
3230 line_attr = hl_attr(HLF_CUL); | |
3231 area_highlighting = TRUE; | |
3232 } | |
3233 #endif | |
3234 | |
504 | 3235 off = (unsigned)(current_ScreenLine - ScreenLines); |
7 | 3236 col = 0; |
3237 #ifdef FEAT_RIGHTLEFT | |
3238 if (wp->w_p_rl) | |
3239 { | |
3240 /* Rightleft window: process the text in the normal direction, but put | |
3241 * it in current_ScreenLine[] from right to left. Start at the | |
3242 * rightmost column of the window. */ | |
3243 col = W_WIDTH(wp) - 1; | |
3244 off += col; | |
3245 } | |
3246 #endif | |
3247 | |
3248 /* | |
3249 * Repeat for the whole displayed line. | |
3250 */ | |
3251 for (;;) | |
3252 { | |
3253 /* Skip this quickly when working on the text. */ | |
3254 if (draw_state != WL_LINE) | |
3255 { | |
3256 #ifdef FEAT_CMDWIN | |
3257 if (draw_state == WL_CMDLINE - 1 && n_extra == 0) | |
3258 { | |
3259 draw_state = WL_CMDLINE; | |
3260 if (cmdwin_type != 0 && wp == curwin) | |
3261 { | |
3262 /* Draw the cmdline character. */ | |
3263 n_extra = 1; | |
1340 | 3264 c_extra = cmdwin_type; |
7 | 3265 char_attr = hl_attr(HLF_AT); |
3266 } | |
3267 } | |
3268 #endif | |
3269 | |
3270 #ifdef FEAT_FOLDING | |
3271 if (draw_state == WL_FOLD - 1 && n_extra == 0) | |
3272 { | |
3273 draw_state = WL_FOLD; | |
3274 if (wp->w_p_fdc > 0) | |
3275 { | |
3276 /* Draw the 'foldcolumn'. */ | |
3277 fill_foldcolumn(extra, wp, FALSE, lnum); | |
3278 n_extra = wp->w_p_fdc; | |
3279 p_extra = extra; | |
1340 | 3280 p_extra[n_extra] = NUL; |
7 | 3281 c_extra = NUL; |
3282 char_attr = hl_attr(HLF_FC); | |
3283 } | |
3284 } | |
3285 #endif | |
3286 | |
3287 #ifdef FEAT_SIGNS | |
3288 if (draw_state == WL_SIGN - 1 && n_extra == 0) | |
3289 { | |
3290 draw_state = WL_SIGN; | |
3291 /* Show the sign column when there are any signs in this | |
3292 * buffer or when using Netbeans. */ | |
3293 if (draw_signcolumn(wp) | |
3294 # ifdef FEAT_DIFF | |
3295 && filler_todo <= 0 | |
3296 # endif | |
3297 ) | |
3298 { | |
3299 int_u text_sign; | |
3300 # ifdef FEAT_SIGN_ICONS | |
3301 int_u icon_sign; | |
3302 # endif | |
3303 | |
3304 /* Draw two cells with the sign value or blank. */ | |
3305 c_extra = ' '; | |
3306 char_attr = hl_attr(HLF_SC); | |
3307 n_extra = 2; | |
3308 | |
3309 if (row == startrow) | |
3310 { | |
3311 text_sign = buf_getsigntype(wp->w_buffer, lnum, | |
3312 SIGN_TEXT); | |
3313 # ifdef FEAT_SIGN_ICONS | |
3314 icon_sign = buf_getsigntype(wp->w_buffer, lnum, | |
3315 SIGN_ICON); | |
3316 if (gui.in_use && icon_sign != 0) | |
3317 { | |
3318 /* Use the image in this position. */ | |
3319 c_extra = SIGN_BYTE; | |
3320 # ifdef FEAT_NETBEANS_INTG | |
3321 if (buf_signcount(wp->w_buffer, lnum) > 1) | |
3322 c_extra = MULTISIGN_BYTE; | |
3323 # endif | |
3324 char_attr = icon_sign; | |
3325 } | |
3326 else | |
3327 # endif | |
3328 if (text_sign != 0) | |
3329 { | |
3330 p_extra = sign_get_text(text_sign); | |
3331 if (p_extra != NULL) | |
3332 { | |
3333 c_extra = NUL; | |
835 | 3334 n_extra = (int)STRLEN(p_extra); |
7 | 3335 } |
3336 char_attr = sign_get_attr(text_sign, FALSE); | |
3337 } | |
3338 } | |
3339 } | |
3340 } | |
3341 #endif | |
3342 | |
3343 if (draw_state == WL_NR - 1 && n_extra == 0) | |
3344 { | |
3345 draw_state = WL_NR; | |
2178
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents:
2124
diff
changeset
|
3346 /* Display the absolute or relative line number. After the |
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents:
2124
diff
changeset
|
3347 * first fill with blanks when the 'n' flag isn't in 'cpo' */ |
c6f1aa1e9f32
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|
3348 if ((wp->w_p_nu || wp->w_p_rnu) |
7 | 3349 && (row == startrow |
3350 #ifdef FEAT_DIFF | |
3351 + filler_lines | |
3352 #endif | |
3353 || vim_strchr(p_cpo, CPO_NUMCOL) == NULL)) | |
3354 { | |
3355 /* Draw the line number (empty space after wrapping). */ | |
3356 if (row == startrow | |
3357 #ifdef FEAT_DIFF | |
3358 + filler_lines | |
3359 #endif | |
3360 ) | |
3361 { | |
2178
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|
3362 long num; |
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|
3363 |
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|
3364 if (wp->w_p_nu) |
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|
3365 /* 'number' */ |
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|
3366 num = (long)lnum; |
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|
3367 else |
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|
3368 /* 'relativenumber', don't use negative numbers */ |
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|
3369 num = (long)abs((int)get_cursor_rel_lnum(wp, |
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|
3370 lnum)); |
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|
3371 |
13 | 3372 sprintf((char *)extra, "%*ld ", |
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|
3373 number_width(wp), num); |
7 | 3374 if (wp->w_skipcol > 0) |
3375 for (p_extra = extra; *p_extra == ' '; ++p_extra) | |
3376 *p_extra = '-'; | |
3377 #ifdef FEAT_RIGHTLEFT | |
3378 if (wp->w_p_rl) /* reverse line numbers */ | |
3379 rl_mirror(extra); | |
3380 #endif | |
3381 p_extra = extra; | |
3382 c_extra = NUL; | |
3383 } | |
3384 else | |
3385 c_extra = ' '; | |
13 | 3386 n_extra = number_width(wp) + 1; |
7 | 3387 char_attr = hl_attr(HLF_N); |
743 | 3388 #ifdef FEAT_SYN_HL |
3389 /* When 'cursorline' is set highlight the line number of | |
3390 * the current line differently. */ | |
3391 if (wp->w_p_cul && lnum == wp->w_cursor.lnum) | |
3392 char_attr = hl_combine_attr(hl_attr(HLF_CUL), char_attr); | |
3393 #endif | |
7 | 3394 } |
3395 } | |
3396 | |
3397 #if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF) | |
3398 if (draw_state == WL_SBR - 1 && n_extra == 0) | |
3399 { | |
3400 draw_state = WL_SBR; | |
3401 # ifdef FEAT_DIFF | |
3402 if (filler_todo > 0) | |
3403 { | |
3404 /* Draw "deleted" diff line(s). */ | |
3405 if (char2cells(fill_diff) > 1) | |
3406 c_extra = '-'; | |
3407 else | |
3408 c_extra = fill_diff; | |
3409 # ifdef FEAT_RIGHTLEFT | |
3410 if (wp->w_p_rl) | |
3411 n_extra = col + 1; | |
3412 else | |
3413 # endif | |
3414 n_extra = W_WIDTH(wp) - col; | |
3415 char_attr = hl_attr(HLF_DED); | |
3416 } | |
3417 # endif | |
3418 # ifdef FEAT_LINEBREAK | |
3419 if (*p_sbr != NUL && need_showbreak) | |
3420 { | |
3421 /* Draw 'showbreak' at the start of each broken line. */ | |
3422 p_extra = p_sbr; | |
3423 c_extra = NUL; | |
3424 n_extra = (int)STRLEN(p_sbr); | |
3425 char_attr = hl_attr(HLF_AT); | |
3426 need_showbreak = FALSE; | |
3427 /* Correct end of highlighted area for 'showbreak', | |
3428 * required when 'linebreak' is also set. */ | |
3429 if (tocol == vcol) | |
3430 tocol += n_extra; | |
3431 } | |
3432 # endif | |
3433 } | |
3434 #endif | |
3435 | |
3436 if (draw_state == WL_LINE - 1 && n_extra == 0) | |
3437 { | |
3438 draw_state = WL_LINE; | |
3439 if (saved_n_extra) | |
3440 { | |
3441 /* Continue item from end of wrapped line. */ | |
3442 n_extra = saved_n_extra; | |
3443 c_extra = saved_c_extra; | |
3444 p_extra = saved_p_extra; | |
3445 char_attr = saved_char_attr; | |
3446 } | |
3447 else | |
3448 char_attr = 0; | |
3449 } | |
3450 } | |
3451 | |
3452 /* When still displaying '$' of change command, stop at cursor */ | |
819 | 3453 if (dollar_vcol != 0 && wp == curwin |
3454 && lnum == wp->w_cursor.lnum && vcol >= (long)wp->w_virtcol | |
7 | 3455 #ifdef FEAT_DIFF |
3456 && filler_todo <= 0 | |
3457 #endif | |
3458 ) | |
3459 { | |
3460 SCREEN_LINE(screen_row, W_WINCOL(wp), col, -(int)W_WIDTH(wp), | |
3461 wp->w_p_rl); | |
819 | 3462 /* Pretend we have finished updating the window. Except when |
3463 * 'cursorcolumn' is set. */ | |
3464 #ifdef FEAT_SYN_HL | |
3465 if (wp->w_p_cuc) | |
3466 row = wp->w_cline_row + wp->w_cline_height; | |
3467 else | |
3468 #endif | |
3469 row = wp->w_height; | |
7 | 3470 break; |
3471 } | |
3472 | |
3473 if (draw_state == WL_LINE && area_highlighting) | |
3474 { | |
3475 /* handle Visual or match highlighting in this line */ | |
3476 if (vcol == fromcol | |
3477 #ifdef FEAT_MBYTE | |
3478 || (has_mbyte && vcol + 1 == fromcol && n_extra == 0 | |
3479 && (*mb_ptr2cells)(ptr) > 1) | |
3480 #endif | |
3481 || ((int)vcol_prev == fromcol_prev | |
1814 | 3482 && vcol_prev < vcol /* not at margin */ |
7 | 3483 && vcol < tocol)) |
3484 area_attr = attr; /* start highlighting */ | |
3485 else if (area_attr != 0 | |
3486 && (vcol == tocol | |
3487 || (noinvcur && (colnr_T)vcol == wp->w_virtcol))) | |
3488 area_attr = 0; /* stop highlighting */ | |
3489 | |
3490 #ifdef FEAT_SEARCH_EXTRA | |
3491 if (!n_extra) | |
3492 { | |
3493 /* | |
3494 * Check for start/end of search pattern match. | |
3495 * After end, check for start/end of next match. | |
3496 * When another match, have to check for start again. | |
3497 * Watch out for matching an empty string! | |
1326 | 3498 * Do this for 'search_hl' and the match list (ordered by |
3499 * priority). | |
7 | 3500 */ |
36 | 3501 v = (long)(ptr - line); |
1326 | 3502 cur = wp->w_match_head; |
3503 shl_flag = FALSE; | |
3504 while (cur != NULL || shl_flag == FALSE) | |
3505 { | |
3506 if (shl_flag == FALSE | |
3507 && ((cur != NULL | |
3508 && cur->priority > SEARCH_HL_PRIORITY) | |
3509 || cur == NULL)) | |
3510 { | |
3511 shl = &search_hl; | |
3512 shl_flag = TRUE; | |
3513 } | |
3514 else | |
3515 shl = &cur->hl; | |
7 | 3516 while (shl->rm.regprog != NULL) |
3517 { | |
36 | 3518 if (shl->startcol != MAXCOL |
3519 && v >= (long)shl->startcol | |
3520 && v < (long)shl->endcol) | |
7 | 3521 { |
3522 shl->attr_cur = shl->attr; | |
3523 } | |
36 | 3524 else if (v == (long)shl->endcol) |
7 | 3525 { |
3526 shl->attr_cur = 0; | |
3527 | |
3528 next_search_hl(wp, shl, lnum, (colnr_T)v); | |
3529 | |
3530 /* Need to get the line again, a multi-line regexp | |
3531 * may have made it invalid. */ | |
3532 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
3533 ptr = line + v; | |
3534 | |
3535 if (shl->lnum == lnum) | |
3536 { | |
36 | 3537 shl->startcol = shl->rm.startpos[0].col; |
7 | 3538 if (shl->rm.endpos[0].lnum == 0) |
36 | 3539 shl->endcol = shl->rm.endpos[0].col; |
7 | 3540 else |
36 | 3541 shl->endcol = MAXCOL; |
3542 | |
3543 if (shl->startcol == shl->endcol) | |
7 | 3544 { |
3545 /* highlight empty match, try again after | |
3546 * it */ | |
3547 #ifdef FEAT_MBYTE | |
3548 if (has_mbyte) | |
474 | 3549 shl->endcol += (*mb_ptr2len)(line |
36 | 3550 + shl->endcol); |
7 | 3551 else |
3552 #endif | |
36 | 3553 ++shl->endcol; |
7 | 3554 } |
3555 | |
3556 /* Loop to check if the match starts at the | |
3557 * current position */ | |
3558 continue; | |
3559 } | |
3560 } | |
3561 break; | |
3562 } | |
1326 | 3563 if (shl != &search_hl && cur != NULL) |
3564 cur = cur->next; | |
3565 } | |
3566 | |
3567 /* Use attributes from match with highest priority among | |
3568 * 'search_hl' and the match list. */ | |
3569 search_attr = search_hl.attr_cur; | |
3570 cur = wp->w_match_head; | |
3571 shl_flag = FALSE; | |
3572 while (cur != NULL || shl_flag == FALSE) | |
3573 { | |
3574 if (shl_flag == FALSE | |
3575 && ((cur != NULL | |
3576 && cur->priority > SEARCH_HL_PRIORITY) | |
3577 || cur == NULL)) | |
699 | 3578 { |
1326 | 3579 shl = &search_hl; |
3580 shl_flag = TRUE; | |
699 | 3581 } |
1326 | 3582 else |
3583 shl = &cur->hl; | |
3584 if (shl->attr_cur != 0) | |
3585 search_attr = shl->attr_cur; | |
3586 if (shl != &search_hl && cur != NULL) | |
3587 cur = cur->next; | |
3588 } | |
7 | 3589 } |
3590 #endif | |
3591 | |
3592 #ifdef FEAT_DIFF | |
674 | 3593 if (diff_hlf != (hlf_T)0) |
7 | 3594 { |
1295 | 3595 if (diff_hlf == HLF_CHD && ptr - line >= change_start |
3596 && n_extra == 0) | |
7 | 3597 diff_hlf = HLF_TXD; /* changed text */ |
1295 | 3598 if (diff_hlf == HLF_TXD && ptr - line > change_end |
3599 && n_extra == 0) | |
7 | 3600 diff_hlf = HLF_CHD; /* changed line */ |
674 | 3601 line_attr = hl_attr(diff_hlf); |
3602 } | |
3603 #endif | |
3604 | |
3605 /* Decide which of the highlight attributes to use. */ | |
3606 attr_pri = TRUE; | |
3607 if (area_attr != 0) | |
3608 char_attr = area_attr; | |
3609 else if (search_attr != 0) | |
3610 char_attr = search_attr; | |
3611 #ifdef LINE_ATTR | |
3612 /* Use line_attr when not in the Visual or 'incsearch' area | |
3613 * (area_attr may be 0 when "noinvcur" is set). */ | |
3614 else if (line_attr != 0 && ((fromcol == -10 && tocol == MAXCOL) | |
1842 | 3615 || vcol < fromcol || vcol_prev < fromcol_prev |
3616 || vcol >= tocol)) | |
674 | 3617 char_attr = line_attr; |
3618 #endif | |
3619 else | |
3620 { | |
3621 attr_pri = FALSE; | |
3622 #ifdef FEAT_SYN_HL | |
3623 if (has_syntax) | |
3624 char_attr = syntax_attr; | |
3625 else | |
3626 #endif | |
3627 char_attr = 0; | |
3628 } | |
7 | 3629 } |
3630 | |
3631 /* | |
3632 * Get the next character to put on the screen. | |
3633 */ | |
3634 /* | |
1340 | 3635 * The "p_extra" points to the extra stuff that is inserted to |
3636 * represent special characters (non-printable stuff) and other | |
3637 * things. When all characters are the same, c_extra is used. | |
3638 * "p_extra" must end in a NUL to avoid mb_ptr2len() reads past | |
3639 * "p_extra[n_extra]". | |
7 | 3640 * For the '$' of the 'list' option, n_extra == 1, p_extra == "". |
3641 */ | |
3642 if (n_extra > 0) | |
3643 { | |
3644 if (c_extra != NUL) | |
3645 { | |
3646 c = c_extra; | |
3647 #ifdef FEAT_MBYTE | |
3648 mb_c = c; /* doesn't handle non-utf-8 multi-byte! */ | |
3649 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
3650 { | |
3651 mb_utf8 = TRUE; | |
714 | 3652 u8cc[0] = 0; |
819 | 3653 c = 0xc0; |
7 | 3654 } |
3655 else | |
3656 mb_utf8 = FALSE; | |
3657 #endif | |
3658 } | |
3659 else | |
3660 { | |
3661 c = *p_extra; | |
3662 #ifdef FEAT_MBYTE | |
3663 if (has_mbyte) | |
3664 { | |
3665 mb_c = c; | |
3666 if (enc_utf8) | |
3667 { | |
3668 /* If the UTF-8 character is more than one byte: | |
3669 * Decode it into "mb_c". */ | |
474 | 3670 mb_l = (*mb_ptr2len)(p_extra); |
7 | 3671 mb_utf8 = FALSE; |
3672 if (mb_l > n_extra) | |
3673 mb_l = 1; | |
3674 else if (mb_l > 1) | |
3675 { | |
714 | 3676 mb_c = utfc_ptr2char(p_extra, u8cc); |
7 | 3677 mb_utf8 = TRUE; |
819 | 3678 c = 0xc0; |
7 | 3679 } |
3680 } | |
3681 else | |
3682 { | |
3683 /* if this is a DBCS character, put it in "mb_c" */ | |
3684 mb_l = MB_BYTE2LEN(c); | |
3685 if (mb_l >= n_extra) | |
3686 mb_l = 1; | |
3687 else if (mb_l > 1) | |
3688 mb_c = (c << 8) + p_extra[1]; | |
3689 } | |
504 | 3690 if (mb_l == 0) /* at the NUL at end-of-line */ |
3691 mb_l = 1; | |
3692 | |
7 | 3693 /* If a double-width char doesn't fit display a '>' in the |
3694 * last column. */ | |
504 | 3695 if (( |
7 | 3696 # ifdef FEAT_RIGHTLEFT |
3697 wp->w_p_rl ? (col <= 0) : | |
3698 # endif | |
504 | 3699 (col >= W_WIDTH(wp) - 1)) |
7 | 3700 && (*mb_char2cells)(mb_c) == 2) |
3701 { | |
3702 c = '>'; | |
3703 mb_c = c; | |
3704 mb_l = 1; | |
3705 mb_utf8 = FALSE; | |
3706 multi_attr = hl_attr(HLF_AT); | |
3707 /* put the pointer back to output the double-width | |
3708 * character at the start of the next line. */ | |
3709 ++n_extra; | |
3710 --p_extra; | |
3711 } | |
3712 else | |
3713 { | |
3714 n_extra -= mb_l - 1; | |
3715 p_extra += mb_l - 1; | |
3716 } | |
3717 } | |
3718 #endif | |
3719 ++p_extra; | |
3720 } | |
3721 --n_extra; | |
3722 } | |
3723 else | |
3724 { | |
3725 /* | |
3726 * Get a character from the line itself. | |
3727 */ | |
3728 c = *ptr; | |
3729 #ifdef FEAT_MBYTE | |
3730 if (has_mbyte) | |
3731 { | |
3732 mb_c = c; | |
3733 if (enc_utf8) | |
3734 { | |
3735 /* If the UTF-8 character is more than one byte: Decode it | |
3736 * into "mb_c". */ | |
474 | 3737 mb_l = (*mb_ptr2len)(ptr); |
7 | 3738 mb_utf8 = FALSE; |
3739 if (mb_l > 1) | |
3740 { | |
714 | 3741 mb_c = utfc_ptr2char(ptr, u8cc); |
7 | 3742 /* Overlong encoded ASCII or ASCII with composing char |
3743 * is displayed normally, except a NUL. */ | |
3744 if (mb_c < 0x80) | |
3745 c = mb_c; | |
3746 mb_utf8 = TRUE; | |
507 | 3747 |
3748 /* At start of the line we can have a composing char. | |
3749 * Draw it as a space with a composing char. */ | |
3750 if (utf_iscomposing(mb_c)) | |
3751 { | |
1326 | 3752 int i; |
3753 | |
714 | 3754 for (i = Screen_mco - 1; i > 0; --i) |
3755 u8cc[i] = u8cc[i - 1]; | |
3756 u8cc[0] = mb_c; | |
507 | 3757 mb_c = ' '; |
3758 } | |
7 | 3759 } |
3760 | |
3761 if ((mb_l == 1 && c >= 0x80) | |
3762 || (mb_l >= 1 && mb_c == 0) | |
3763 || (mb_l > 1 && (!vim_isprintc(mb_c) | |
1401 | 3764 # ifdef UNICODE16 |
3765 || mb_c >= 0x10000 | |
3766 # endif | |
3767 ))) | |
7 | 3768 { |
3769 /* | |
3770 * Illegal UTF-8 byte: display as <xx>. | |
3771 * Non-BMP character : display as ? or fullwidth ?. | |
3772 */ | |
1401 | 3773 # ifdef UNICODE16 |
7 | 3774 if (mb_c < 0x10000) |
1401 | 3775 # endif |
7 | 3776 { |
3777 transchar_hex(extra, mb_c); | |
714 | 3778 # ifdef FEAT_RIGHTLEFT |
7 | 3779 if (wp->w_p_rl) /* reverse */ |
3780 rl_mirror(extra); | |
714 | 3781 # endif |
7 | 3782 } |
1401 | 3783 # ifdef UNICODE16 |
7 | 3784 else if (utf_char2cells(mb_c) != 2) |
3785 STRCPY(extra, "?"); | |
3786 else | |
3787 /* 0xff1f in UTF-8: full-width '?' */ | |
3788 STRCPY(extra, "\357\274\237"); | |
1401 | 3789 # endif |
7 | 3790 |
3791 p_extra = extra; | |
3792 c = *p_extra; | |
3793 mb_c = mb_ptr2char_adv(&p_extra); | |
3794 mb_utf8 = (c >= 0x80); | |
3795 n_extra = (int)STRLEN(p_extra); | |
3796 c_extra = NUL; | |
3797 if (area_attr == 0 && search_attr == 0) | |
3798 { | |
3799 n_attr = n_extra + 1; | |
3800 extra_attr = hl_attr(HLF_8); | |
3801 saved_attr2 = char_attr; /* save current attr */ | |
3802 } | |
3803 } | |
3804 else if (mb_l == 0) /* at the NUL at end-of-line */ | |
3805 mb_l = 1; | |
3806 #ifdef FEAT_ARABIC | |
3807 else if (p_arshape && !p_tbidi && ARABIC_CHAR(mb_c)) | |
3808 { | |
3809 /* Do Arabic shaping. */ | |
714 | 3810 int pc, pc1, nc; |
3811 int pcc[MAX_MCO]; | |
7 | 3812 |
3813 /* The idea of what is the previous and next | |
3814 * character depends on 'rightleft'. */ | |
3815 if (wp->w_p_rl) | |
3816 { | |
3817 pc = prev_c; | |
3818 pc1 = prev_c1; | |
3819 nc = utf_ptr2char(ptr + mb_l); | |
714 | 3820 prev_c1 = u8cc[0]; |
7 | 3821 } |
3822 else | |
3823 { | |
714 | 3824 pc = utfc_ptr2char(ptr + mb_l, pcc); |
7 | 3825 nc = prev_c; |
714 | 3826 pc1 = pcc[0]; |
7 | 3827 } |
3828 prev_c = mb_c; | |
3829 | |
714 | 3830 mb_c = arabic_shape(mb_c, &c, &u8cc[0], pc, pc1, nc); |
7 | 3831 } |
3832 else | |
3833 prev_c = mb_c; | |
3834 #endif | |
3835 } | |
3836 else /* enc_dbcs */ | |
3837 { | |
3838 mb_l = MB_BYTE2LEN(c); | |
3839 if (mb_l == 0) /* at the NUL at end-of-line */ | |
3840 mb_l = 1; | |
3841 else if (mb_l > 1) | |
3842 { | |
3843 /* We assume a second byte below 32 is illegal. | |
3844 * Hopefully this is OK for all double-byte encodings! | |
3845 */ | |
3846 if (ptr[1] >= 32) | |
3847 mb_c = (c << 8) + ptr[1]; | |
3848 else | |
3849 { | |
3850 if (ptr[1] == NUL) | |
3851 { | |
3852 /* head byte at end of line */ | |
3853 mb_l = 1; | |
3854 transchar_nonprint(extra, c); | |
3855 } | |
3856 else | |
3857 { | |
3858 /* illegal tail byte */ | |
3859 mb_l = 2; | |
3860 STRCPY(extra, "XX"); | |
3861 } | |
3862 p_extra = extra; | |
3863 n_extra = (int)STRLEN(extra) - 1; | |
3864 c_extra = NUL; | |
3865 c = *p_extra++; | |
3866 if (area_attr == 0 && search_attr == 0) | |
3867 { | |
3868 n_attr = n_extra + 1; | |
3869 extra_attr = hl_attr(HLF_8); | |
3870 saved_attr2 = char_attr; /* save current attr */ | |
3871 } | |
3872 mb_c = c; | |
3873 } | |
3874 } | |
3875 } | |
3876 /* If a double-width char doesn't fit display a '>' in the | |
3877 * last column; the character is displayed at the start of the | |
3878 * next line. */ | |
3879 if (( | |
3880 # ifdef FEAT_RIGHTLEFT | |
3881 wp->w_p_rl ? (col <= 0) : | |
3882 # endif | |
3883 (col >= W_WIDTH(wp) - 1)) | |
3884 && (*mb_char2cells)(mb_c) == 2) | |
3885 { | |
3886 c = '>'; | |
3887 mb_c = c; | |
3888 mb_utf8 = FALSE; | |
3889 mb_l = 1; | |
3890 multi_attr = hl_attr(HLF_AT); | |
3891 /* Put pointer back so that the character will be | |
3892 * displayed at the start of the next line. */ | |
3893 --ptr; | |
3894 } | |
3895 else if (*ptr != NUL) | |
3896 ptr += mb_l - 1; | |
3897 | |
3898 /* If a double-width char doesn't fit at the left side display | |
3899 * a '<' in the first column. */ | |
3900 if (n_skip > 0 && mb_l > 1) | |
3901 { | |
3902 n_extra = 1; | |
1340 | 3903 c_extra = '<'; |
7 | 3904 c = ' '; |
3905 if (area_attr == 0 && search_attr == 0) | |
3906 { | |
3907 n_attr = n_extra + 1; | |
3908 extra_attr = hl_attr(HLF_AT); | |
3909 saved_attr2 = char_attr; /* save current attr */ | |
3910 } | |
3911 mb_c = c; | |
3912 mb_utf8 = FALSE; | |
3913 mb_l = 1; | |
3914 } | |
3915 | |
3916 } | |
3917 #endif | |
3918 ++ptr; | |
3919 | |
12 | 3920 /* 'list' : change char 160 to lcs_nbsp. */ |
819 | 3921 if (wp->w_p_list && (c == 160 |
3922 #ifdef FEAT_MBYTE | |
3923 || (mb_utf8 && mb_c == 160) | |
3924 #endif | |
3925 ) && lcs_nbsp) | |
12 | 3926 { |
3927 c = lcs_nbsp; | |
3928 if (area_attr == 0 && search_attr == 0) | |
3929 { | |
3930 n_attr = 1; | |
3931 extra_attr = hl_attr(HLF_8); | |
3932 saved_attr2 = char_attr; /* save current attr */ | |
3933 } | |
3934 #ifdef FEAT_MBYTE | |
3935 mb_c = c; | |
3936 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
3937 { | |
3938 mb_utf8 = TRUE; | |
714 | 3939 u8cc[0] = 0; |
819 | 3940 c = 0xc0; |
12 | 3941 } |
3942 else | |
3943 mb_utf8 = FALSE; | |
3944 #endif | |
3945 } | |
3946 | |
7 | 3947 if (extra_check) |
3948 { | |
743 | 3949 #ifdef FEAT_SPELL |
221 | 3950 int can_spell = TRUE; |
743 | 3951 #endif |
3952 | |
3953 #ifdef FEAT_SYN_HL | |
7 | 3954 /* Get syntax attribute, unless still at the start of the line |
3955 * (double-wide char that doesn't fit). */ | |
221 | 3956 v = (long)(ptr - line); |
3957 if (has_syntax && v > 0) | |
7 | 3958 { |
3959 /* Get the syntax attribute for the character. If there | |
3960 * is an error, disable syntax highlighting. */ | |
3961 save_did_emsg = did_emsg; | |
3962 did_emsg = FALSE; | |
3963 | |
221 | 3964 syntax_attr = get_syntax_attr((colnr_T)v - 1, |
743 | 3965 # ifdef FEAT_SPELL |
3966 has_spell ? &can_spell : | |
3967 # endif | |
1504 | 3968 NULL, FALSE); |
7 | 3969 |
3970 if (did_emsg) | |
482 | 3971 { |
3972 wp->w_buffer->b_syn_error = TRUE; | |
3973 has_syntax = FALSE; | |
3974 } | |
7 | 3975 else |
3976 did_emsg = save_did_emsg; | |
3977 | |
3978 /* Need to get the line again, a multi-line regexp may | |
3979 * have made it invalid. */ | |
3980 line = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
3981 ptr = line + v; | |
3982 | |
674 | 3983 if (!attr_pri) |
7 | 3984 char_attr = syntax_attr; |
301 | 3985 else |
303 | 3986 char_attr = hl_combine_attr(syntax_attr, char_attr); |
7 | 3987 } |
743 | 3988 #endif |
3989 | |
3990 #ifdef FEAT_SPELL | |
301 | 3991 /* Check spelling (unless at the end of the line). |
319 | 3992 * Only do this when there is no syntax highlighting, the |
3993 * @Spell cluster is not used or the current syntax item | |
3994 * contains the @Spell cluster. */ | |
348 | 3995 if (has_spell && v >= word_end && v > cur_checked_col) |
221 | 3996 { |
230 | 3997 spell_attr = 0; |
743 | 3998 # ifdef FEAT_SYN_HL |
674 | 3999 if (!attr_pri) |
230 | 4000 char_attr = syntax_attr; |
743 | 4001 # endif |
4002 if (c != 0 && ( | |
4003 # ifdef FEAT_SYN_HL | |
4004 !has_syntax || | |
4005 # endif | |
4006 can_spell)) | |
221 | 4007 { |
348 | 4008 char_u *prev_ptr, *p; |
4009 int len; | |
534 | 4010 hlf_T spell_hlf = HLF_COUNT; |
221 | 4011 # ifdef FEAT_MBYTE |
336 | 4012 if (has_mbyte) |
4013 { | |
4014 prev_ptr = ptr - mb_l; | |
4015 v -= mb_l - 1; | |
4016 } | |
4017 else | |
221 | 4018 # endif |
336 | 4019 prev_ptr = ptr - 1; |
348 | 4020 |
4021 /* Use nextline[] if possible, it has the start of the | |
4022 * next line concatenated. */ | |
4023 if ((prev_ptr - line) - nextlinecol >= 0) | |
4024 p = nextline + (prev_ptr - line) - nextlinecol; | |
4025 else | |
4026 p = prev_ptr; | |
835 | 4027 cap_col -= (int)(prev_ptr - line); |
625 | 4028 len = spell_check(wp, p, &spell_hlf, &cap_col, |
4029 nochange); | |
348 | 4030 word_end = v + len; |
301 | 4031 |
4032 /* In Insert mode only highlight a word that | |
4033 * doesn't touch the cursor. */ | |
534 | 4034 if (spell_hlf != HLF_COUNT |
301 | 4035 && (State & INSERT) != 0 |
4036 && wp->w_cursor.lnum == lnum | |
4037 && wp->w_cursor.col >= | |
4038 (colnr_T)(prev_ptr - line) | |
4039 && wp->w_cursor.col < (colnr_T)word_end) | |
221 | 4040 { |
534 | 4041 spell_hlf = HLF_COUNT; |
301 | 4042 spell_redraw_lnum = lnum; |
221 | 4043 } |
348 | 4044 |
534 | 4045 if (spell_hlf == HLF_COUNT && p != prev_ptr |
348 | 4046 && (p - nextline) + len > nextline_idx) |
4047 { | |
4048 /* Remember that the good word continues at the | |
4049 * start of the next line. */ | |
4050 checked_lnum = lnum + 1; | |
835 | 4051 checked_col = (int)((p - nextline) + len - nextline_idx); |
348 | 4052 } |
386 | 4053 |
534 | 4054 /* Turn index into actual attributes. */ |
4055 if (spell_hlf != HLF_COUNT) | |
4056 spell_attr = highlight_attr[spell_hlf]; | |
4057 | |
386 | 4058 if (cap_col > 0) |
4059 { | |
4060 if (p != prev_ptr | |
4061 && (p - nextline) + cap_col >= nextline_idx) | |
4062 { | |
4063 /* Remember that the word in the next line | |
4064 * must start with a capital. */ | |
4065 capcol_lnum = lnum + 1; | |
835 | 4066 cap_col = (int)((p - nextline) + cap_col |
4067 - nextline_idx); | |
386 | 4068 } |
4069 else | |
4070 /* Compute the actual column. */ | |
835 | 4071 cap_col += (int)(prev_ptr - line); |
386 | 4072 } |
221 | 4073 } |
4074 } | |
4075 if (spell_attr != 0) | |
348 | 4076 { |
674 | 4077 if (!attr_pri) |
348 | 4078 char_attr = hl_combine_attr(char_attr, spell_attr); |
4079 else | |
4080 char_attr = hl_combine_attr(spell_attr, char_attr); | |
4081 } | |
7 | 4082 #endif |
4083 #ifdef FEAT_LINEBREAK | |
4084 /* | |
221 | 4085 * Found last space before word: check for line break. |
7 | 4086 */ |
4087 if (wp->w_p_lbr && vim_isbreak(c) && !vim_isbreak(*ptr) | |
819 | 4088 && !wp->w_p_list) |
7 | 4089 { |
4090 n_extra = win_lbr_chartabsize(wp, ptr - ( | |
4091 # ifdef FEAT_MBYTE | |
4092 has_mbyte ? mb_l : | |
4093 # endif | |
4094 1), (colnr_T)vcol, NULL) - 1; | |
4095 c_extra = ' '; | |
4096 if (vim_iswhite(c)) | |
4097 c = ' '; | |
4098 } | |
4099 #endif | |
4100 | |
4101 if (trailcol != MAXCOL && ptr > line + trailcol && c == ' ') | |
4102 { | |
4103 c = lcs_trail; | |
674 | 4104 if (!attr_pri) |
7 | 4105 { |
4106 n_attr = 1; | |
4107 extra_attr = hl_attr(HLF_8); | |
4108 saved_attr2 = char_attr; /* save current attr */ | |
4109 } | |
4110 #ifdef FEAT_MBYTE | |
4111 mb_c = c; | |
4112 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4113 { | |
4114 mb_utf8 = TRUE; | |
714 | 4115 u8cc[0] = 0; |
819 | 4116 c = 0xc0; |
7 | 4117 } |
4118 else | |
4119 mb_utf8 = FALSE; | |
4120 #endif | |
4121 } | |
4122 } | |
4123 | |
4124 /* | |
4125 * Handling of non-printable characters. | |
4126 */ | |
819 | 4127 if (!(chartab[c & 0xff] & CT_PRINT_CHAR)) |
7 | 4128 { |
4129 /* | |
4130 * when getting a character from the file, we may have to | |
4131 * turn it into something else on the way to putting it | |
4132 * into "ScreenLines". | |
4133 */ | |
4134 if (c == TAB && (!wp->w_p_list || lcs_tab1)) | |
4135 { | |
4136 /* tab amount depends on current column */ | |
4137 n_extra = (int)wp->w_buffer->b_p_ts | |
4138 - vcol % (int)wp->w_buffer->b_p_ts - 1; | |
4139 #ifdef FEAT_MBYTE | |
4140 mb_utf8 = FALSE; /* don't draw as UTF-8 */ | |
4141 #endif | |
4142 if (wp->w_p_list) | |
4143 { | |
4144 c = lcs_tab1; | |
4145 c_extra = lcs_tab2; | |
4146 n_attr = n_extra + 1; | |
4147 extra_attr = hl_attr(HLF_8); | |
4148 saved_attr2 = char_attr; /* save current attr */ | |
4149 #ifdef FEAT_MBYTE | |
4150 mb_c = c; | |
4151 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4152 { | |
4153 mb_utf8 = TRUE; | |
714 | 4154 u8cc[0] = 0; |
819 | 4155 c = 0xc0; |
7 | 4156 } |
4157 #endif | |
4158 } | |
4159 else | |
4160 { | |
4161 c_extra = ' '; | |
4162 c = ' '; | |
4163 } | |
4164 } | |
36 | 4165 else if (c == NUL |
4166 && ((wp->w_p_list && lcs_eol > 0) | |
4167 || ((fromcol >= 0 || fromcol_prev >= 0) | |
4168 && tocol > vcol | |
39 | 4169 #ifdef FEAT_VISUAL |
36 | 4170 && VIsual_mode != Ctrl_V |
39 | 4171 #endif |
36 | 4172 && ( |
4173 # ifdef FEAT_RIGHTLEFT | |
4174 wp->w_p_rl ? (col >= 0) : | |
4175 # endif | |
4176 (col < W_WIDTH(wp))) | |
4177 && !(noinvcur | |
1850 | 4178 && lnum == wp->w_cursor.lnum |
36 | 4179 && (colnr_T)vcol == wp->w_virtcol))) |
4180 && lcs_eol_one >= 0) | |
7 | 4181 { |
36 | 4182 /* Display a '$' after the line or highlight an extra |
4183 * character if the line break is included. */ | |
7 | 4184 #if defined(FEAT_DIFF) || defined(LINE_ATTR) |
4185 /* For a diff line the highlighting continues after the | |
4186 * "$". */ | |
4187 if ( | |
4188 # ifdef FEAT_DIFF | |
534 | 4189 diff_hlf == (hlf_T)0 |
7 | 4190 # ifdef LINE_ATTR |
4191 && | |
4192 # endif | |
4193 # endif | |
4194 # ifdef LINE_ATTR | |
4195 line_attr == 0 | |
4196 # endif | |
4197 ) | |
4198 #endif | |
4199 { | |
4200 #ifdef FEAT_VIRTUALEDIT | |
4201 /* In virtualedit, visual selections may extend | |
4202 * beyond end of line. */ | |
4203 if (area_highlighting && virtual_active() | |
4204 && tocol != MAXCOL && vcol < tocol) | |
4205 n_extra = 0; | |
4206 else | |
4207 #endif | |
4208 { | |
4209 p_extra = at_end_str; | |
4210 n_extra = 1; | |
4211 c_extra = NUL; | |
4212 } | |
4213 } | |
36 | 4214 if (wp->w_p_list) |
4215 c = lcs_eol; | |
4216 else | |
4217 c = ' '; | |
7 | 4218 lcs_eol_one = -1; |
4219 --ptr; /* put it back at the NUL */ | |
674 | 4220 if (!attr_pri) |
7 | 4221 { |
4222 extra_attr = hl_attr(HLF_AT); | |
4223 n_attr = 1; | |
4224 } | |
4225 #ifdef FEAT_MBYTE | |
4226 mb_c = c; | |
4227 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4228 { | |
4229 mb_utf8 = TRUE; | |
714 | 4230 u8cc[0] = 0; |
819 | 4231 c = 0xc0; |
7 | 4232 } |
4233 else | |
4234 mb_utf8 = FALSE; /* don't draw as UTF-8 */ | |
4235 #endif | |
4236 } | |
4237 else if (c != NUL) | |
4238 { | |
4239 p_extra = transchar(c); | |
4240 #ifdef FEAT_RIGHTLEFT | |
4241 if ((dy_flags & DY_UHEX) && wp->w_p_rl) | |
4242 rl_mirror(p_extra); /* reverse "<12>" */ | |
4243 #endif | |
4244 n_extra = byte2cells(c) - 1; | |
4245 c_extra = NUL; | |
4246 c = *p_extra++; | |
674 | 4247 if (!attr_pri) |
7 | 4248 { |
4249 n_attr = n_extra + 1; | |
4250 extra_attr = hl_attr(HLF_8); | |
4251 saved_attr2 = char_attr; /* save current attr */ | |
4252 } | |
4253 #ifdef FEAT_MBYTE | |
4254 mb_utf8 = FALSE; /* don't draw as UTF-8 */ | |
4255 #endif | |
4256 } | |
4257 #ifdef FEAT_VIRTUALEDIT | |
4258 else if (VIsual_active | |
4259 && (VIsual_mode == Ctrl_V | |
4260 || VIsual_mode == 'v') | |
4261 && virtual_active() | |
4262 && tocol != MAXCOL | |
4263 && vcol < tocol | |
4264 && ( | |
4265 # ifdef FEAT_RIGHTLEFT | |
4266 wp->w_p_rl ? (col >= 0) : | |
4267 # endif | |
4268 (col < W_WIDTH(wp)))) | |
4269 { | |
4270 c = ' '; | |
4271 --ptr; /* put it back at the NUL */ | |
4272 } | |
4273 #endif | |
910 | 4274 #if defined(LINE_ATTR) |
7 | 4275 else if (( |
4276 # ifdef FEAT_DIFF | |
910 | 4277 diff_hlf != (hlf_T)0 || |
7 | 4278 # endif |
4279 line_attr != 0 | |
4280 ) && ( | |
4281 # ifdef FEAT_RIGHTLEFT | |
4282 wp->w_p_rl ? (col >= 0) : | |
4283 # endif | |
4284 (col < W_WIDTH(wp)))) | |
4285 { | |
4286 /* Highlight until the right side of the window */ | |
4287 c = ' '; | |
4288 --ptr; /* put it back at the NUL */ | |
867 | 4289 |
4290 /* Remember we do the char for line highlighting. */ | |
4291 ++did_line_attr; | |
4292 | |
4293 /* don't do search HL for the rest of the line */ | |
4294 if (line_attr != 0 && char_attr == search_attr && col > 0) | |
4295 char_attr = line_attr; | |
7 | 4296 # ifdef FEAT_DIFF |
4297 if (diff_hlf == HLF_TXD) | |
4298 { | |
4299 diff_hlf = HLF_CHD; | |
4300 if (attr == 0 || char_attr != attr) | |
4301 char_attr = hl_attr(diff_hlf); | |
4302 } | |
4303 # endif | |
4304 } | |
4305 #endif | |
4306 } | |
4307 } | |
4308 | |
4309 /* Don't override visual selection highlighting. */ | |
4310 if (n_attr > 0 | |
4311 && draw_state == WL_LINE | |
674 | 4312 && !attr_pri) |
7 | 4313 char_attr = extra_attr; |
4314 | |
42 | 4315 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) |
7 | 4316 /* XIM don't send preedit_start and preedit_end, but they send |
4317 * preedit_changed and commit. Thus Vim can't set "im_is_active", use | |
4318 * im_is_preediting() here. */ | |
4319 if (xic != NULL | |
1850 | 4320 && lnum == wp->w_cursor.lnum |
7 | 4321 && (State & INSERT) |
4322 && !p_imdisable | |
4323 && im_is_preediting() | |
4324 && draw_state == WL_LINE) | |
4325 { | |
4326 colnr_T tcol; | |
4327 | |
4328 if (preedit_end_col == MAXCOL) | |
1850 | 4329 getvcol(curwin, &(wp->w_cursor), &tcol, NULL, NULL); |
7 | 4330 else |
4331 tcol = preedit_end_col; | |
4332 if ((long)preedit_start_col <= vcol && vcol < (long)tcol) | |
4333 { | |
4334 if (feedback_old_attr < 0) | |
4335 { | |
4336 feedback_col = 0; | |
4337 feedback_old_attr = char_attr; | |
4338 } | |
4339 char_attr = im_get_feedback_attr(feedback_col); | |
4340 if (char_attr < 0) | |
4341 char_attr = feedback_old_attr; | |
4342 feedback_col++; | |
4343 } | |
4344 else if (feedback_old_attr >= 0) | |
4345 { | |
4346 char_attr = feedback_old_attr; | |
4347 feedback_old_attr = -1; | |
4348 feedback_col = 0; | |
4349 } | |
4350 } | |
4351 #endif | |
4352 /* | |
4353 * Handle the case where we are in column 0 but not on the first | |
4354 * character of the line and the user wants us to show us a | |
4355 * special character (via 'listchars' option "precedes:<char>". | |
4356 */ | |
4357 if (lcs_prec_todo != NUL | |
4358 && (wp->w_p_wrap ? wp->w_skipcol > 0 : wp->w_leftcol > 0) | |
4359 #ifdef FEAT_DIFF | |
4360 && filler_todo <= 0 | |
4361 #endif | |
4362 && draw_state > WL_NR | |
4363 && c != NUL) | |
4364 { | |
4365 c = lcs_prec; | |
4366 lcs_prec_todo = NUL; | |
4367 #ifdef FEAT_MBYTE | |
4368 mb_c = c; | |
4369 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4370 { | |
4371 mb_utf8 = TRUE; | |
714 | 4372 u8cc[0] = 0; |
819 | 4373 c = 0xc0; |
7 | 4374 } |
4375 else | |
4376 mb_utf8 = FALSE; /* don't draw as UTF-8 */ | |
4377 #endif | |
674 | 4378 if (!attr_pri) |
7 | 4379 { |
4380 saved_attr3 = char_attr; /* save current attr */ | |
4381 char_attr = hl_attr(HLF_AT); /* later copied to char_attr */ | |
4382 n_attr3 = 1; | |
4383 } | |
4384 } | |
4385 | |
4386 /* | |
867 | 4387 * At end of the text line or just after the last character. |
7 | 4388 */ |
867 | 4389 if (c == NUL |
910 | 4390 #if defined(LINE_ATTR) |
867 | 4391 || did_line_attr == 1 |
4392 #endif | |
4393 ) | |
4394 { | |
4395 #ifdef FEAT_SEARCH_EXTRA | |
4396 long prevcol = (long)(ptr - line) - (c == NUL); | |
1437 | 4397 |
4398 /* we're not really at that column when skipping some text */ | |
1439 | 4399 if ((long)(wp->w_p_wrap ? wp->w_skipcol : wp->w_leftcol) > prevcol) |
1437 | 4400 ++prevcol; |
867 | 4401 #endif |
4402 | |
7 | 4403 /* invert at least one char, used for Visual and empty line or |
4404 * highlight match at end of line. If it's beyond the last | |
4405 * char on the screen, just overwrite that one (tricky!) Not | |
4406 * needed when a '$' was displayed for 'list'. */ | |
1326 | 4407 #ifdef FEAT_SEARCH_EXTRA |
4408 prevcol_hl_flag = FALSE; | |
4409 if (prevcol == (long)search_hl.startcol) | |
4410 prevcol_hl_flag = TRUE; | |
4411 else | |
4412 { | |
4413 cur = wp->w_match_head; | |
4414 while (cur != NULL) | |
4415 { | |
4416 if (prevcol == (long)cur->hl.startcol) | |
4417 { | |
4418 prevcol_hl_flag = TRUE; | |
4419 break; | |
4420 } | |
4421 cur = cur->next; | |
4422 } | |
4423 } | |
4424 #endif | |
7 | 4425 if (lcs_eol == lcs_eol_one |
1850 | 4426 && ((area_attr != 0 && vcol == fromcol |
4427 #ifdef FEAT_VISUAL | |
4428 && (VIsual_mode != Ctrl_V | |
4429 || lnum == VIsual.lnum | |
4430 || lnum == curwin->w_cursor.lnum) | |
4431 #endif | |
4432 && c == NUL) | |
7 | 4433 #ifdef FEAT_SEARCH_EXTRA |
4434 /* highlight 'hlsearch' match at end of line */ | |
1326 | 4435 || (prevcol_hl_flag == TRUE |
910 | 4436 # if defined(LINE_ATTR) |
867 | 4437 && did_line_attr <= 1 |
4438 # endif | |
4439 ) | |
7 | 4440 #endif |
4441 )) | |
4442 { | |
4443 int n = 0; | |
4444 | |
4445 #ifdef FEAT_RIGHTLEFT | |
4446 if (wp->w_p_rl) | |
4447 { | |
4448 if (col < 0) | |
4449 n = 1; | |
4450 } | |
4451 else | |
4452 #endif | |
4453 { | |
4454 if (col >= W_WIDTH(wp)) | |
4455 n = -1; | |
4456 } | |
4457 if (n != 0) | |
4458 { | |
4459 /* At the window boundary, highlight the last character | |
4460 * instead (better than nothing). */ | |
4461 off += n; | |
4462 col += n; | |
4463 } | |
4464 else | |
4465 { | |
4466 /* Add a blank character to highlight. */ | |
4467 ScreenLines[off] = ' '; | |
4468 #ifdef FEAT_MBYTE | |
4469 if (enc_utf8) | |
4470 ScreenLinesUC[off] = 0; | |
4471 #endif | |
4472 } | |
4473 #ifdef FEAT_SEARCH_EXTRA | |
4474 if (area_attr == 0) | |
4475 { | |
1326 | 4476 /* Use attributes from match with highest priority among |
4477 * 'search_hl' and the match list. */ | |
4478 char_attr = search_hl.attr; | |
4479 cur = wp->w_match_head; | |
4480 shl_flag = FALSE; | |
4481 while (cur != NULL || shl_flag == FALSE) | |
699 | 4482 { |
1326 | 4483 if (shl_flag == FALSE |
4484 && ((cur != NULL | |
4485 && cur->priority > SEARCH_HL_PRIORITY) | |
4486 || cur == NULL)) | |
699 | 4487 { |
1326 | 4488 shl = &search_hl; |
4489 shl_flag = TRUE; | |
699 | 4490 } |
1326 | 4491 else |
4492 shl = &cur->hl; | |
4493 if ((ptr - line) - 1 == (long)shl->startcol) | |
4494 char_attr = shl->attr; | |
4495 if (shl != &search_hl && cur != NULL) | |
4496 cur = cur->next; | |
699 | 4497 } |
7 | 4498 } |
4499 #endif | |
4500 ScreenAttrs[off] = char_attr; | |
4501 #ifdef FEAT_RIGHTLEFT | |
4502 if (wp->w_p_rl) | |
1437 | 4503 { |
7 | 4504 --col; |
1437 | 4505 --off; |
4506 } | |
7 | 4507 else |
4508 #endif | |
1437 | 4509 { |
7 | 4510 ++col; |
1437 | 4511 ++off; |
4512 } | |
743 | 4513 ++vcol; |
1437 | 4514 #ifdef FEAT_SYN_HL |
4515 eol_hl_off = 1; | |
4516 #endif | |
743 | 4517 } |
867 | 4518 } |
4519 | |
4520 /* | |
4521 * At end of the text line. | |
4522 */ | |
4523 if (c == NUL) | |
4524 { | |
743 | 4525 #ifdef FEAT_SYN_HL |
1850 | 4526 if (eol_hl_off > 0 && vcol - eol_hl_off == (long)wp->w_virtcol |
4527 && lnum == wp->w_cursor.lnum) | |
1437 | 4528 { |
4529 /* highlight last char after line */ | |
4530 --col; | |
4531 --off; | |
4532 --vcol; | |
4533 } | |
4534 | |
743 | 4535 /* Highlight 'cursorcolumn' past end of the line. */ |
758 | 4536 if (wp->w_p_wrap) |
4537 v = wp->w_skipcol; | |
4538 else | |
4539 v = wp->w_leftcol; | |
820 | 4540 /* check if line ends before left margin */ |
4541 if (vcol < v + col - win_col_off(wp)) | |
4542 | |
4543 vcol = v + col - win_col_off(wp); | |
743 | 4544 if (wp->w_p_cuc |
1437 | 4545 && (int)wp->w_virtcol >= vcol - eol_hl_off |
819 | 4546 && (int)wp->w_virtcol < W_WIDTH(wp) * (row - startrow + 1) |
4547 + v | |
743 | 4548 && lnum != wp->w_cursor.lnum |
4549 # ifdef FEAT_RIGHTLEFT | |
4550 && !wp->w_p_rl | |
4551 # endif | |
4552 ) | |
4553 { | |
4554 while (col < W_WIDTH(wp)) | |
4555 { | |
4556 ScreenLines[off] = ' '; | |
4557 #ifdef FEAT_MBYTE | |
4558 if (enc_utf8) | |
4559 ScreenLinesUC[off] = 0; | |
4560 #endif | |
4561 ++col; | |
777 | 4562 if (vcol == (long)wp->w_virtcol) |
743 | 4563 { |
4564 ScreenAttrs[off] = hl_attr(HLF_CUC); | |
4565 break; | |
4566 } | |
4567 ScreenAttrs[off++] = 0; | |
4568 ++vcol; | |
4569 } | |
4570 } | |
4571 #endif | |
7 | 4572 |
4573 SCREEN_LINE(screen_row, W_WINCOL(wp), col, (int)W_WIDTH(wp), | |
4574 wp->w_p_rl); | |
4575 row++; | |
4576 | |
4577 /* | |
4578 * Update w_cline_height and w_cline_folded if the cursor line was | |
4579 * updated (saves a call to plines() later). | |
4580 */ | |
4581 if (wp == curwin && lnum == curwin->w_cursor.lnum) | |
4582 { | |
4583 curwin->w_cline_row = startrow; | |
4584 curwin->w_cline_height = row - startrow; | |
4585 #ifdef FEAT_FOLDING | |
4586 curwin->w_cline_folded = FALSE; | |
4587 #endif | |
4588 curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW); | |
4589 } | |
4590 | |
4591 break; | |
4592 } | |
4593 | |
4594 /* line continues beyond line end */ | |
4595 if (lcs_ext | |
4596 && !wp->w_p_wrap | |
4597 #ifdef FEAT_DIFF | |
4598 && filler_todo <= 0 | |
4599 #endif | |
4600 && ( | |
4601 #ifdef FEAT_RIGHTLEFT | |
4602 wp->w_p_rl ? col == 0 : | |
4603 #endif | |
4604 col == W_WIDTH(wp) - 1) | |
4605 && (*ptr != NUL | |
1555 | 4606 || (wp->w_p_list && lcs_eol_one > 0) |
7 | 4607 || (n_extra && (c_extra != NUL || *p_extra != NUL)))) |
4608 { | |
4609 c = lcs_ext; | |
4610 char_attr = hl_attr(HLF_AT); | |
4611 #ifdef FEAT_MBYTE | |
4612 mb_c = c; | |
4613 if (enc_utf8 && (*mb_char2len)(c) > 1) | |
4614 { | |
4615 mb_utf8 = TRUE; | |
714 | 4616 u8cc[0] = 0; |
819 | 4617 c = 0xc0; |
7 | 4618 } |
4619 else | |
4620 mb_utf8 = FALSE; | |
4621 #endif | |
4622 } | |
4623 | |
743 | 4624 #ifdef FEAT_SYN_HL |
4625 /* Highlight the cursor column if 'cursorcolumn' is set. But don't | |
4626 * highlight the cursor position itself. */ | |
777 | 4627 if (wp->w_p_cuc && vcol == (long)wp->w_virtcol |
743 | 4628 && lnum != wp->w_cursor.lnum |
1813 | 4629 && draw_state == WL_LINE |
4630 && !lnum_in_visual_area) | |
743 | 4631 { |
4632 vcol_save_attr = char_attr; | |
4633 char_attr = hl_combine_attr(char_attr, hl_attr(HLF_CUC)); | |
4634 } | |
4635 else | |
4636 vcol_save_attr = -1; | |
4637 #endif | |
4638 | |
7 | 4639 /* |
4640 * Store character to be displayed. | |
4641 * Skip characters that are left of the screen for 'nowrap'. | |
4642 */ | |
4643 vcol_prev = vcol; | |
4644 if (draw_state < WL_LINE || n_skip <= 0) | |
4645 { | |
4646 /* | |
4647 * Store the character. | |
4648 */ | |
4649 #if defined(FEAT_RIGHTLEFT) && defined(FEAT_MBYTE) | |
4650 if (has_mbyte && wp->w_p_rl && (*mb_char2cells)(mb_c) > 1) | |
4651 { | |
4652 /* A double-wide character is: put first halve in left cell. */ | |
4653 --off; | |
4654 --col; | |
4655 } | |
4656 #endif | |
4657 ScreenLines[off] = c; | |
4658 #ifdef FEAT_MBYTE | |
4659 if (enc_dbcs == DBCS_JPNU) | |
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diff
changeset
|
4660 { |
63613d8d7e4d
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parents:
2055
diff
changeset
|
4661 if ((mb_c & 0xff00) == 0x8e00) |
63613d8d7e4d
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Bram Moolenaar <bram@zimbu.org>
parents:
2055
diff
changeset
|
4662 ScreenLines[off] = 0x8e; |
7 | 4663 ScreenLines2[off] = mb_c & 0xff; |
2069
63613d8d7e4d
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2055
diff
changeset
|
4664 } |
7 | 4665 else if (enc_utf8) |
4666 { | |
4667 if (mb_utf8) | |
4668 { | |
1326 | 4669 int i; |
4670 | |
7 | 4671 ScreenLinesUC[off] = mb_c; |
819 | 4672 if ((c & 0xff) == 0) |
4673 ScreenLines[off] = 0x80; /* avoid storing zero */ | |
714 | 4674 for (i = 0; i < Screen_mco; ++i) |
4675 { | |
4676 ScreenLinesC[i][off] = u8cc[i]; | |
4677 if (u8cc[i] == 0) | |
4678 break; | |
4679 } | |
7 | 4680 } |
4681 else | |
4682 ScreenLinesUC[off] = 0; | |
4683 } | |
4684 if (multi_attr) | |
4685 { | |
4686 ScreenAttrs[off] = multi_attr; | |
4687 multi_attr = 0; | |
4688 } | |
4689 else | |
4690 #endif | |
4691 ScreenAttrs[off] = char_attr; | |
4692 | |
4693 #ifdef FEAT_MBYTE | |
4694 if (has_mbyte && (*mb_char2cells)(mb_c) > 1) | |
4695 { | |
4696 /* Need to fill two screen columns. */ | |
4697 ++off; | |
4698 ++col; | |
4699 if (enc_utf8) | |
4700 /* UTF-8: Put a 0 in the second screen char. */ | |
4701 ScreenLines[off] = 0; | |
4702 else | |
4703 /* DBCS: Put second byte in the second screen char. */ | |
4704 ScreenLines[off] = mb_c & 0xff; | |
4705 ++vcol; | |
4706 /* When "tocol" is halfway a character, set it to the end of | |
4707 * the character, otherwise highlighting won't stop. */ | |
4708 if (tocol == vcol) | |
4709 ++tocol; | |
4710 #ifdef FEAT_RIGHTLEFT | |
4711 if (wp->w_p_rl) | |
4712 { | |
4713 /* now it's time to backup one cell */ | |
4714 --off; | |
4715 --col; | |
4716 } | |
4717 #endif | |
4718 } | |
4719 #endif | |
4720 #ifdef FEAT_RIGHTLEFT | |
4721 if (wp->w_p_rl) | |
4722 { | |
4723 --off; | |
4724 --col; | |
4725 } | |
4726 else | |
4727 #endif | |
4728 { | |
4729 ++off; | |
4730 ++col; | |
4731 } | |
4732 } | |
4733 else | |
4734 --n_skip; | |
4735 | |
2178
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Add 'relativenumber' patch from Markus Heidelberg.
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diff
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|
4736 /* Only advance the "vcol" when after the 'number' or 'relativenumber' |
c6f1aa1e9f32
Add 'relativenumber' patch from Markus Heidelberg.
Bram Moolenaar <bram@vim.org>
parents:
2124
diff
changeset
|
4737 * column. */ |
1849 | 4738 if (draw_state > WL_NR |
7 | 4739 #ifdef FEAT_DIFF |
4740 && filler_todo <= 0 | |
4741 #endif | |
4742 ) | |
4743 ++vcol; | |
4744 | |
743 | 4745 #ifdef FEAT_SYN_HL |
4746 if (vcol_save_attr >= 0) | |
4747 char_attr = vcol_save_attr; | |
4748 #endif | |
4749 | |
7 | 4750 /* restore attributes after "predeces" in 'listchars' */ |
4751 if (draw_state > WL_NR && n_attr3 > 0 && --n_attr3 == 0) | |
4752 char_attr = saved_attr3; | |
4753 | |
4754 /* restore attributes after last 'listchars' or 'number' char */ | |
4755 if (n_attr > 0 && draw_state == WL_LINE && --n_attr == 0) | |
4756 char_attr = saved_attr2; | |
4757 | |
4758 /* | |
4759 * At end of screen line and there is more to come: Display the line | |
1378 | 4760 * so far. If there is no more to display it is caught above. |
7 | 4761 */ |
4762 if (( | |
4763 #ifdef FEAT_RIGHTLEFT | |
4764 wp->w_p_rl ? (col < 0) : | |
4765 #endif | |
4766 (col >= W_WIDTH(wp))) | |
4767 && (*ptr != NUL | |
4768 #ifdef FEAT_DIFF | |
4769 || filler_todo > 0 | |
4770 #endif | |
4771 || (wp->w_p_list && lcs_eol != NUL && p_extra != at_end_str) | |
4772 || (n_extra != 0 && (c_extra != NUL || *p_extra != NUL))) | |
4773 ) | |
4774 { | |
4775 SCREEN_LINE(screen_row, W_WINCOL(wp), col, (int)W_WIDTH(wp), | |
4776 wp->w_p_rl); | |
4777 ++row; | |
4778 ++screen_row; | |
4779 | |
4780 /* When not wrapping and finished diff lines, or when displayed | |
4781 * '$' and highlighting until last column, break here. */ | |
4782 if ((!wp->w_p_wrap | |
4783 #ifdef FEAT_DIFF | |
4784 && filler_todo <= 0 | |
4785 #endif | |
4786 ) || lcs_eol_one == -1) | |
4787 break; | |
4788 | |
4789 /* When the window is too narrow draw all "@" lines. */ | |
4790 if (draw_state != WL_LINE | |
4791 #ifdef FEAT_DIFF | |
4792 && filler_todo <= 0 | |
4793 #endif | |
4794 ) | |
4795 { | |
4796 win_draw_end(wp, '@', ' ', row, wp->w_height, HLF_AT); | |
4797 #ifdef FEAT_VERTSPLIT | |
4798 draw_vsep_win(wp, row); | |
4799 #endif | |
4800 row = endrow; | |
4801 } | |
4802 | |
4803 /* When line got too long for screen break here. */ | |
4804 if (row == endrow) | |
4805 { | |
4806 ++row; | |
4807 break; | |
4808 } | |
4809 | |
4810 if (screen_cur_row == screen_row - 1 | |
4811 #ifdef FEAT_DIFF | |
4812 && filler_todo <= 0 | |
4813 #endif | |
4814 && W_WIDTH(wp) == Columns) | |
4815 { | |
4816 /* Remember that the line wraps, used for modeless copy. */ | |
4817 LineWraps[screen_row - 1] = TRUE; | |
4818 | |
4819 /* | |
4820 * Special trick to make copy/paste of wrapped lines work with | |
4821 * xterm/screen: write an extra character beyond the end of | |
4822 * the line. This will work with all terminal types | |
4823 * (regardless of the xn,am settings). | |
4824 * Only do this on a fast tty. | |
4825 * Only do this if the cursor is on the current line | |
4826 * (something has been written in it). | |
4827 * Don't do this for the GUI. | |
4828 * Don't do this for double-width characters. | |
4829 * Don't do this for a window not at the right screen border. | |
4830 */ | |
4831 if (p_tf | |
4832 #ifdef FEAT_GUI | |
4833 && !gui.in_use | |
4834 #endif | |
4835 #ifdef FEAT_MBYTE | |
4836 && !(has_mbyte | |
1378 | 4837 && ((*mb_off2cells)(LineOffset[screen_row], |
4838 LineOffset[screen_row] + screen_Columns) | |
4839 == 2 | |
7 | 4840 || (*mb_off2cells)(LineOffset[screen_row - 1] |
1378 | 4841 + (int)Columns - 2, |
4842 LineOffset[screen_row] + screen_Columns) | |
4843 == 2)) | |
7 | 4844 #endif |
4845 ) | |
4846 { | |
4847 /* First make sure we are at the end of the screen line, | |
4848 * then output the same character again to let the | |
4849 * terminal know about the wrap. If the terminal doesn't | |
4850 * auto-wrap, we overwrite the character. */ | |
4851 if (screen_cur_col != W_WIDTH(wp)) | |
4852 screen_char(LineOffset[screen_row - 1] | |
4853 + (unsigned)Columns - 1, | |
4854 screen_row - 1, (int)(Columns - 1)); | |
4855 | |
4856 #ifdef FEAT_MBYTE | |
4857 /* When there is a multi-byte character, just output a | |
4858 * space to keep it simple. */ | |
148 | 4859 if (has_mbyte && MB_BYTE2LEN(ScreenLines[LineOffset[ |
4860 screen_row - 1] + (Columns - 1)]) > 1) | |
7 | 4861 out_char(' '); |
4862 else | |
4863 #endif | |
4864 out_char(ScreenLines[LineOffset[screen_row - 1] | |
4865 + (Columns - 1)]); | |
4866 /* force a redraw of the first char on the next line */ | |
4867 ScreenAttrs[LineOffset[screen_row]] = (sattr_T)-1; | |
4868 screen_start(); /* don't know where cursor is now */ | |
4869 } | |
4870 } | |
4871 | |
4872 col = 0; | |
4873 off = (unsigned)(current_ScreenLine - ScreenLines); | |
4874 #ifdef FEAT_RIGHTLEFT | |
4875 if (wp->w_p_rl) | |
4876 { | |
4877 col = W_WIDTH(wp) - 1; /* col is not used if breaking! */ | |
4878 off += col; | |
4879 } | |
4880 #endif | |
4881 | |
4882 /* reset the drawing state for the start of a wrapped line */ | |
4883 draw_state = WL_START; | |
4884 saved_n_extra = n_extra; | |
4885 saved_p_extra = p_extra; | |
4886 saved_c_extra = c_extra; | |
4887 saved_char_attr = char_attr; | |
4888 n_extra = 0; | |
4889 lcs_prec_todo = lcs_prec; | |
4890 #ifdef FEAT_LINEBREAK | |
4891 # ifdef FEAT_DIFF | |
4892 if (filler_todo <= 0) | |
4893 # endif | |
4894 need_showbreak = TRUE; | |
4895 #endif | |
4896 #ifdef FEAT_DIFF | |
4897 --filler_todo; | |
4898 /* When the filler lines are actually below the last line of the | |
4899 * file, don't draw the line itself, break here. */ | |
4900 if (filler_todo == 0 && wp->w_botfill) | |
4901 break; | |
4902 #endif | |
4903 } | |
4904 | |
4905 } /* for every character in the line */ | |
4906 | |
743 | 4907 #ifdef FEAT_SPELL |
386 | 4908 /* After an empty line check first word for capital. */ |
4909 if (*skipwhite(line) == NUL) | |
4910 { | |
4911 capcol_lnum = lnum + 1; | |
4912 cap_col = 0; | |
4913 } | |
4914 #endif | |
4915 | |
7 | 4916 return row; |
4917 } | |
4918 | |
714 | 4919 #ifdef FEAT_MBYTE |
4920 static int comp_char_differs __ARGS((int, int)); | |
4921 | |
4922 /* | |
4923 * Return if the composing characters at "off_from" and "off_to" differ. | |
2124
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2122
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|
4924 * Only to be used when ScreenLinesUC[off_from] != 0. |
714 | 4925 */ |
4926 static int | |
4927 comp_char_differs(off_from, off_to) | |
4928 int off_from; | |
4929 int off_to; | |
4930 { | |
4931 int i; | |
4932 | |
4933 for (i = 0; i < Screen_mco; ++i) | |
4934 { | |
4935 if (ScreenLinesC[i][off_from] != ScreenLinesC[i][off_to]) | |
4936 return TRUE; | |
4937 if (ScreenLinesC[i][off_from] == 0) | |
4938 break; | |
4939 } | |
4940 return FALSE; | |
4941 } | |
4942 #endif | |
4943 | |
7 | 4944 /* |
4945 * Check whether the given character needs redrawing: | |
4946 * - the (first byte of the) character is different | |
4947 * - the attributes are different | |
4948 * - the character is multi-byte and the next byte is different | |
1616 | 4949 * - the character is two cells wide and the second cell differs. |
7 | 4950 */ |
4951 static int | |
4952 char_needs_redraw(off_from, off_to, cols) | |
4953 int off_from; | |
4954 int off_to; | |
4955 int cols; | |
4956 { | |
4957 if (cols > 0 | |
4958 && ((ScreenLines[off_from] != ScreenLines[off_to] | |
4959 || ScreenAttrs[off_from] != ScreenAttrs[off_to]) | |
4960 | |
4961 #ifdef FEAT_MBYTE | |
4962 || (enc_dbcs != 0 | |
4963 && MB_BYTE2LEN(ScreenLines[off_from]) > 1 | |
4964 && (enc_dbcs == DBCS_JPNU && ScreenLines[off_from] == 0x8e | |
4965 ? ScreenLines2[off_from] != ScreenLines2[off_to] | |
4966 : (cols > 1 && ScreenLines[off_from + 1] | |
4967 != ScreenLines[off_to + 1]))) | |
4968 || (enc_utf8 | |
4969 && (ScreenLinesUC[off_from] != ScreenLinesUC[off_to] | |
4970 || (ScreenLinesUC[off_from] != 0 | |
1616 | 4971 && comp_char_differs(off_from, off_to)) |
4972 || (cols > 1 && ScreenLines[off_from + 1] | |
4973 != ScreenLines[off_to + 1]))) | |
7 | 4974 #endif |
4975 )) | |
4976 return TRUE; | |
4977 return FALSE; | |
4978 } | |
4979 | |
4980 /* | |
4981 * Move one "cooked" screen line to the screen, but only the characters that | |
4982 * have actually changed. Handle insert/delete character. | |
4983 * "coloff" gives the first column on the screen for this line. | |
4984 * "endcol" gives the columns where valid characters are. | |
4985 * "clear_width" is the width of the window. It's > 0 if the rest of the line | |
4986 * needs to be cleared, negative otherwise. | |
4987 * "rlflag" is TRUE in a rightleft window: | |
4988 * When TRUE and "clear_width" > 0, clear columns 0 to "endcol" | |
4989 * When FALSE and "clear_width" > 0, clear columns "endcol" to "clear_width" | |
4990 */ | |
4991 static void | |
4992 screen_line(row, coloff, endcol, clear_width | |
4993 #ifdef FEAT_RIGHTLEFT | |
4994 , rlflag | |
4995 #endif | |
4996 ) | |
4997 int row; | |
4998 int coloff; | |
4999 int endcol; | |
5000 int clear_width; | |
5001 #ifdef FEAT_RIGHTLEFT | |
5002 int rlflag; | |
5003 #endif | |
5004 { | |
5005 unsigned off_from; | |
5006 unsigned off_to; | |
1378 | 5007 #ifdef FEAT_MBYTE |
5008 unsigned max_off_from; | |
5009 unsigned max_off_to; | |
5010 #endif | |
7 | 5011 int col = 0; |
5012 #if defined(FEAT_GUI) || defined(UNIX) || defined(FEAT_VERTSPLIT) | |
5013 int hl; | |
5014 #endif | |
5015 int force = FALSE; /* force update rest of the line */ | |
5016 int redraw_this /* bool: does character need redraw? */ | |
5017 #ifdef FEAT_GUI | |
5018 = TRUE /* For GUI when while-loop empty */ | |
5019 #endif | |
5020 ; | |
5021 int redraw_next; /* redraw_this for next character */ | |
5022 #ifdef FEAT_MBYTE | |
5023 int clear_next = FALSE; | |
5024 int char_cells; /* 1: normal char */ | |
5025 /* 2: occupies two display cells */ | |
5026 # define CHAR_CELLS char_cells | |
5027 #else | |
5028 # define CHAR_CELLS 1 | |
5029 #endif | |
5030 | |
5031 # ifdef FEAT_CLIPBOARD | |
5032 clip_may_clear_selection(row, row); | |
5033 # endif | |
5034 | |
5035 off_from = (unsigned)(current_ScreenLine - ScreenLines); | |
5036 off_to = LineOffset[row] + coloff; | |
1378 | 5037 #ifdef FEAT_MBYTE |
5038 max_off_from = off_from + screen_Columns; | |
5039 max_off_to = LineOffset[row] + screen_Columns; | |
5040 #endif | |
7 | 5041 |
5042 #ifdef FEAT_RIGHTLEFT | |
5043 if (rlflag) | |
5044 { | |
5045 /* Clear rest first, because it's left of the text. */ | |
5046 if (clear_width > 0) | |
5047 { | |
5048 while (col <= endcol && ScreenLines[off_to] == ' ' | |
5049 && ScreenAttrs[off_to] == 0 | |
5050 # ifdef FEAT_MBYTE | |
5051 && (!enc_utf8 || ScreenLinesUC[off_to] == 0) | |
5052 # endif | |
5053 ) | |
5054 { | |
5055 ++off_to; | |
5056 ++col; | |
5057 } | |
5058 if (col <= endcol) | |
5059 screen_fill(row, row + 1, col + coloff, | |
5060 endcol + coloff + 1, ' ', ' ', 0); | |
5061 } | |
5062 col = endcol + 1; | |
5063 off_to = LineOffset[row] + col + coloff; | |
5064 off_from += col; | |
5065 endcol = (clear_width > 0 ? clear_width : -clear_width); | |
5066 } | |
5067 #endif /* FEAT_RIGHTLEFT */ | |
5068 | |
5069 redraw_next = char_needs_redraw(off_from, off_to, endcol - col); | |
5070 | |
5071 while (col < endcol) | |
5072 { | |
5073 #ifdef FEAT_MBYTE | |
5074 if (has_mbyte && (col + 1 < endcol)) | |
1378 | 5075 char_cells = (*mb_off2cells)(off_from, max_off_from); |
7 | 5076 else |
5077 char_cells = 1; | |
5078 #endif | |
5079 | |
5080 redraw_this = redraw_next; | |
5081 redraw_next = force || char_needs_redraw(off_from + CHAR_CELLS, | |
5082 off_to + CHAR_CELLS, endcol - col - CHAR_CELLS); | |
5083 | |
5084 #ifdef FEAT_GUI | |
5085 /* If the next character was bold, then redraw the current character to | |
5086 * remove any pixels that might have spilt over into us. This only | |
5087 * happens in the GUI. | |
5088 */ | |
5089 if (redraw_next && gui.in_use) | |
5090 { | |
5091 hl = ScreenAttrs[off_to + CHAR_CELLS]; | |
743 | 5092 if (hl > HL_ALL) |
5093 hl = syn_attr2attr(hl); | |
5094 if (hl & HL_BOLD) | |
7 | 5095 redraw_this = TRUE; |
5096 } | |
5097 #endif | |
5098 | |
5099 if (redraw_this) | |
5100 { | |
5101 /* | |
5102 * Special handling when 'xs' termcap flag set (hpterm): | |
5103 * Attributes for characters are stored at the position where the | |
5104 * cursor is when writing the highlighting code. The | |
5105 * start-highlighting code must be written with the cursor on the | |
5106 * first highlighted character. The stop-highlighting code must | |
5107 * be written with the cursor just after the last highlighted | |
5108 * character. | |
5109 * Overwriting a character doesn't remove it's highlighting. Need | |
5110 * to clear the rest of the line, and force redrawing it | |
5111 * completely. | |
5112 */ | |
5113 if ( p_wiv | |
5114 && !force | |
5115 #ifdef FEAT_GUI | |
5116 && !gui.in_use | |
5117 #endif | |
5118 && ScreenAttrs[off_to] != 0 | |
5119 && ScreenAttrs[off_from] != ScreenAttrs[off_to]) | |
5120 { | |
5121 /* | |
5122 * Need to remove highlighting attributes here. | |
5123 */ | |
5124 windgoto(row, col + coloff); | |
5125 out_str(T_CE); /* clear rest of this screen line */ | |
5126 screen_start(); /* don't know where cursor is now */ | |
5127 force = TRUE; /* force redraw of rest of the line */ | |
5128 redraw_next = TRUE; /* or else next char would miss out */ | |
5129 | |
5130 /* | |
5131 * If the previous character was highlighted, need to stop | |
5132 * highlighting at this character. | |
5133 */ | |
5134 if (col + coloff > 0 && ScreenAttrs[off_to - 1] != 0) | |
5135 { | |
5136 screen_attr = ScreenAttrs[off_to - 1]; | |
5137 term_windgoto(row, col + coloff); | |
5138 screen_stop_highlight(); | |
5139 } | |
5140 else | |
5141 screen_attr = 0; /* highlighting has stopped */ | |
5142 } | |
5143 #ifdef FEAT_MBYTE | |
5144 if (enc_dbcs != 0) | |
5145 { | |
5146 /* Check if overwriting a double-byte with a single-byte or | |
5147 * the other way around requires another character to be | |
5148 * redrawn. For UTF-8 this isn't needed, because comparing | |
5149 * ScreenLinesUC[] is sufficient. */ | |
5150 if (char_cells == 1 | |
5151 && col + 1 < endcol | |
1378 | 5152 && (*mb_off2cells)(off_to, max_off_to) > 1) |
7 | 5153 { |
5154 /* Writing a single-cell character over a double-cell | |
5155 * character: need to redraw the next cell. */ | |
5156 ScreenLines[off_to + 1] = 0; | |
5157 redraw_next = TRUE; | |
5158 } | |
5159 else if (char_cells == 2 | |
5160 && col + 2 < endcol | |
1378 | 5161 && (*mb_off2cells)(off_to, max_off_to) == 1 |
5162 && (*mb_off2cells)(off_to + 1, max_off_to) > 1) | |
7 | 5163 { |
5164 /* Writing the second half of a double-cell character over | |
5165 * a double-cell character: need to redraw the second | |
5166 * cell. */ | |
5167 ScreenLines[off_to + 2] = 0; | |
5168 redraw_next = TRUE; | |
5169 } | |
5170 | |
5171 if (enc_dbcs == DBCS_JPNU) | |
5172 ScreenLines2[off_to] = ScreenLines2[off_from]; | |
5173 } | |
5174 /* When writing a single-width character over a double-width | |
5175 * character and at the end of the redrawn text, need to clear out | |
5176 * the right halve of the old character. | |
5177 * Also required when writing the right halve of a double-width | |
5178 * char over the left halve of an existing one. */ | |
5179 if (has_mbyte && col + char_cells == endcol | |
5180 && ((char_cells == 1 | |
1378 | 5181 && (*mb_off2cells)(off_to, max_off_to) > 1) |
7 | 5182 || (char_cells == 2 |
1378 | 5183 && (*mb_off2cells)(off_to, max_off_to) == 1 |
5184 && (*mb_off2cells)(off_to + 1, max_off_to) > 1))) | |
7 | 5185 clear_next = TRUE; |
5186 #endif | |
5187 | |
5188 ScreenLines[off_to] = ScreenLines[off_from]; | |
5189 #ifdef FEAT_MBYTE | |
5190 if (enc_utf8) | |
5191 { | |
5192 ScreenLinesUC[off_to] = ScreenLinesUC[off_from]; | |
5193 if (ScreenLinesUC[off_from] != 0) | |
5194 { | |
714 | 5195 int i; |
5196 | |
5197 for (i = 0; i < Screen_mco; ++i) | |
5198 ScreenLinesC[i][off_to] = ScreenLinesC[i][off_from]; | |
7 | 5199 } |
5200 } | |
5201 if (char_cells == 2) | |
5202 ScreenLines[off_to + 1] = ScreenLines[off_from + 1]; | |
5203 #endif | |
5204 | |
5205 #if defined(FEAT_GUI) || defined(UNIX) | |
1843 | 5206 /* The bold trick makes a single column of pixels appear in the |
5207 * next character. When a bold character is removed, the next | |
7 | 5208 * character should be redrawn too. This happens for our own GUI |
5209 * and for some xterms. */ | |
5210 if ( | |
5211 # ifdef FEAT_GUI | |
5212 gui.in_use | |
5213 # endif | |
5214 # if defined(FEAT_GUI) && defined(UNIX) | |
5215 || | |
5216 # endif | |
5217 # ifdef UNIX | |
5218 term_is_xterm | |
5219 # endif | |
5220 ) | |
5221 { | |
5222 hl = ScreenAttrs[off_to]; | |
743 | 5223 if (hl > HL_ALL) |
5224 hl = syn_attr2attr(hl); | |
5225 if (hl & HL_BOLD) | |
7 | 5226 redraw_next = TRUE; |
5227 } | |
5228 #endif | |
5229 ScreenAttrs[off_to] = ScreenAttrs[off_from]; | |
5230 #ifdef FEAT_MBYTE | |
819 | 5231 /* For simplicity set the attributes of second half of a |
5232 * double-wide character equal to the first half. */ | |
5233 if (char_cells == 2) | |
5234 ScreenAttrs[off_to + 1] = ScreenAttrs[off_from]; | |
5235 | |
7 | 5236 if (enc_dbcs != 0 && char_cells == 2) |
5237 screen_char_2(off_to, row, col + coloff); | |
5238 else | |
5239 #endif | |
5240 screen_char(off_to, row, col + coloff); | |
5241 } | |
5242 else if ( p_wiv | |
5243 #ifdef FEAT_GUI | |
5244 && !gui.in_use | |
5245 #endif | |
5246 && col + coloff > 0) | |
5247 { | |
5248 if (ScreenAttrs[off_to] == ScreenAttrs[off_to - 1]) | |
5249 { | |
5250 /* | |
5251 * Don't output stop-highlight when moving the cursor, it will | |
5252 * stop the highlighting when it should continue. | |
5253 */ | |
5254 screen_attr = 0; | |
5255 } | |
5256 else if (screen_attr != 0) | |
5257 screen_stop_highlight(); | |
5258 } | |
5259 | |
5260 off_to += CHAR_CELLS; | |
5261 off_from += CHAR_CELLS; | |
5262 col += CHAR_CELLS; | |
5263 } | |
5264 | |
5265 #ifdef FEAT_MBYTE | |
5266 if (clear_next) | |
5267 { | |
5268 /* Clear the second half of a double-wide character of which the left | |
5269 * half was overwritten with a single-wide character. */ | |
5270 ScreenLines[off_to] = ' '; | |
5271 if (enc_utf8) | |
5272 ScreenLinesUC[off_to] = 0; | |
5273 screen_char(off_to, row, col + coloff); | |
5274 } | |
5275 #endif | |
5276 | |
5277 if (clear_width > 0 | |
5278 #ifdef FEAT_RIGHTLEFT | |
5279 && !rlflag | |
5280 #endif | |
5281 ) | |
5282 { | |
5283 #ifdef FEAT_GUI | |
5284 int startCol = col; | |
5285 #endif | |
5286 | |
5287 /* blank out the rest of the line */ | |
5288 while (col < clear_width && ScreenLines[off_to] == ' ' | |
5289 && ScreenAttrs[off_to] == 0 | |
5290 #ifdef FEAT_MBYTE | |
5291 && (!enc_utf8 || ScreenLinesUC[off_to] == 0) | |
5292 #endif | |
5293 ) | |
5294 { | |
5295 ++off_to; | |
5296 ++col; | |
5297 } | |
5298 if (col < clear_width) | |
5299 { | |
5300 #ifdef FEAT_GUI | |
5301 /* | |
5302 * In the GUI, clearing the rest of the line may leave pixels | |
5303 * behind if the first character cleared was bold. Some bold | |
5304 * fonts spill over the left. In this case we redraw the previous | |
5305 * character too. If we didn't skip any blanks above, then we | |
5306 * only redraw if the character wasn't already redrawn anyway. | |
5307 */ | |
996 | 5308 if (gui.in_use && (col > startCol || !redraw_this)) |
7 | 5309 { |
5310 hl = ScreenAttrs[off_to]; | |
5311 if (hl > HL_ALL || (hl & HL_BOLD)) | |
996 | 5312 { |
5313 int prev_cells = 1; | |
5314 # ifdef FEAT_MBYTE | |
5315 if (enc_utf8) | |
5316 /* for utf-8, ScreenLines[char_offset + 1] == 0 means | |
5317 * that its width is 2. */ | |
5318 prev_cells = ScreenLines[off_to - 1] == 0 ? 2 : 1; | |
5319 else if (enc_dbcs != 0) | |
5320 { | |
5321 /* find previous character by counting from first | |
5322 * column and get its width. */ | |
5323 unsigned off = LineOffset[row]; | |
1378 | 5324 unsigned max_off = LineOffset[row] + screen_Columns; |
996 | 5325 |
5326 while (off < off_to) | |
5327 { | |
1378 | 5328 prev_cells = (*mb_off2cells)(off, max_off); |
996 | 5329 off += prev_cells; |
5330 } | |
5331 } | |
5332 | |
5333 if (enc_dbcs != 0 && prev_cells > 1) | |
5334 screen_char_2(off_to - prev_cells, row, | |
5335 col + coloff - prev_cells); | |
5336 else | |
5337 # endif | |
5338 screen_char(off_to - prev_cells, row, | |
5339 col + coloff - prev_cells); | |
5340 } | |
7 | 5341 } |
5342 #endif | |
5343 screen_fill(row, row + 1, col + coloff, clear_width + coloff, | |
5344 ' ', ' ', 0); | |
5345 #ifdef FEAT_VERTSPLIT | |
5346 off_to += clear_width - col; | |
5347 col = clear_width; | |
5348 #endif | |
5349 } | |
5350 } | |
5351 | |
5352 if (clear_width > 0) | |
5353 { | |
5354 #ifdef FEAT_VERTSPLIT | |
5355 /* For a window that's left of another, draw the separator char. */ | |
5356 if (col + coloff < Columns) | |
5357 { | |
5358 int c; | |
5359 | |
5360 c = fillchar_vsep(&hl); | |
5361 if (ScreenLines[off_to] != c | |
5362 # ifdef FEAT_MBYTE | |
714 | 5363 || (enc_utf8 && (int)ScreenLinesUC[off_to] |
5364 != (c >= 0x80 ? c : 0)) | |
7 | 5365 # endif |
5366 || ScreenAttrs[off_to] != hl) | |
5367 { | |
5368 ScreenLines[off_to] = c; | |
5369 ScreenAttrs[off_to] = hl; | |
5370 # ifdef FEAT_MBYTE | |
5371 if (enc_utf8) | |
5372 { | |
5373 if (c >= 0x80) | |
5374 { | |
5375 ScreenLinesUC[off_to] = c; | |
714 | 5376 ScreenLinesC[0][off_to] = 0; |
7 | 5377 } |
5378 else | |
5379 ScreenLinesUC[off_to] = 0; | |
5380 } | |
5381 # endif | |
5382 screen_char(off_to, row, col + coloff); | |
5383 } | |
5384 } | |
5385 else | |
5386 #endif | |
5387 LineWraps[row] = FALSE; | |
5388 } | |
5389 } | |
5390 | |
474 | 5391 #if defined(FEAT_RIGHTLEFT) || defined(PROTO) |
7 | 5392 /* |
474 | 5393 * Mirror text "str" for right-left displaying. |
5394 * Only works for single-byte characters (e.g., numbers). | |
7 | 5395 */ |
474 | 5396 void |
7 | 5397 rl_mirror(str) |
5398 char_u *str; | |
5399 { | |
5400 char_u *p1, *p2; | |
5401 int t; | |
5402 | |
5403 for (p1 = str, p2 = str + STRLEN(str) - 1; p1 < p2; ++p1, --p2) | |
5404 { | |
5405 t = *p1; | |
5406 *p1 = *p2; | |
5407 *p2 = t; | |
5408 } | |
5409 } | |
5410 #endif | |
5411 | |
5412 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
5413 /* | |
5414 * mark all status lines for redraw; used after first :cd | |
5415 */ | |
5416 void | |
5417 status_redraw_all() | |
5418 { | |
5419 win_T *wp; | |
5420 | |
5421 for (wp = firstwin; wp; wp = wp->w_next) | |
5422 if (wp->w_status_height) | |
5423 { | |
5424 wp->w_redr_status = TRUE; | |
5425 redraw_later(VALID); | |
5426 } | |
5427 } | |
5428 | |
5429 /* | |
5430 * mark all status lines of the current buffer for redraw | |
5431 */ | |
5432 void | |
5433 status_redraw_curbuf() | |
5434 { | |
5435 win_T *wp; | |
5436 | |
5437 for (wp = firstwin; wp; wp = wp->w_next) | |
5438 if (wp->w_status_height != 0 && wp->w_buffer == curbuf) | |
5439 { | |
5440 wp->w_redr_status = TRUE; | |
5441 redraw_later(VALID); | |
5442 } | |
5443 } | |
5444 | |
5445 /* | |
5446 * Redraw all status lines that need to be redrawn. | |
5447 */ | |
5448 void | |
5449 redraw_statuslines() | |
5450 { | |
5451 win_T *wp; | |
5452 | |
5453 for (wp = firstwin; wp; wp = wp->w_next) | |
5454 if (wp->w_redr_status) | |
5455 win_redr_status(wp); | |
673 | 5456 if (redraw_tabline) |
677 | 5457 draw_tabline(); |
7 | 5458 } |
5459 #endif | |
5460 | |
5461 #if (defined(FEAT_WILDMENU) && defined(FEAT_VERTSPLIT)) || defined(PROTO) | |
5462 /* | |
5463 * Redraw all status lines at the bottom of frame "frp". | |
5464 */ | |
5465 void | |
5466 win_redraw_last_status(frp) | |
5467 frame_T *frp; | |
5468 { | |
5469 if (frp->fr_layout == FR_LEAF) | |
5470 frp->fr_win->w_redr_status = TRUE; | |
5471 else if (frp->fr_layout == FR_ROW) | |
5472 { | |
5473 for (frp = frp->fr_child; frp != NULL; frp = frp->fr_next) | |
5474 win_redraw_last_status(frp); | |
5475 } | |
5476 else /* frp->fr_layout == FR_COL */ | |
5477 { | |
5478 frp = frp->fr_child; | |
5479 while (frp->fr_next != NULL) | |
5480 frp = frp->fr_next; | |
5481 win_redraw_last_status(frp); | |
5482 } | |
5483 } | |
5484 #endif | |
5485 | |
5486 #ifdef FEAT_VERTSPLIT | |
5487 /* | |
5488 * Draw the verticap separator right of window "wp" starting with line "row". | |
5489 */ | |
5490 static void | |
5491 draw_vsep_win(wp, row) | |
5492 win_T *wp; | |
5493 int row; | |
5494 { | |
5495 int hl; | |
5496 int c; | |
5497 | |
5498 if (wp->w_vsep_width) | |
5499 { | |
5500 /* draw the vertical separator right of this window */ | |
5501 c = fillchar_vsep(&hl); | |
5502 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + wp->w_height, | |
5503 W_ENDCOL(wp), W_ENDCOL(wp) + 1, | |
5504 c, ' ', hl); | |
5505 } | |
5506 } | |
5507 #endif | |
5508 | |
5509 #ifdef FEAT_WILDMENU | |
5510 static int status_match_len __ARGS((expand_T *xp, char_u *s)); | |
277 | 5511 static int skip_status_match_char __ARGS((expand_T *xp, char_u *s)); |
7 | 5512 |
5513 /* | |
1378 | 5514 * Get the length of an item as it will be shown in the status line. |
7 | 5515 */ |
5516 static int | |
5517 status_match_len(xp, s) | |
5518 expand_T *xp; | |
5519 char_u *s; | |
5520 { | |
5521 int len = 0; | |
5522 | |
5523 #ifdef FEAT_MENU | |
5524 int emenu = (xp->xp_context == EXPAND_MENUS | |
5525 || xp->xp_context == EXPAND_MENUNAMES); | |
5526 | |
5527 /* Check for menu separators - replace with '|'. */ | |
5528 if (emenu && menu_is_separator(s)) | |
5529 return 1; | |
5530 #endif | |
5531 | |
5532 while (*s != NUL) | |
5533 { | |
1685 | 5534 s += skip_status_match_char(xp, s); |
42 | 5535 len += ptr2cells(s); |
39 | 5536 mb_ptr_adv(s); |
7 | 5537 } |
5538 | |
5539 return len; | |
5540 } | |
5541 | |
5542 /* | |
1685 | 5543 * Return the number of characters that should be skipped in a status match. |
277 | 5544 * These are backslashes used for escaping. Do show backslashes in help tags. |
5545 */ | |
5546 static int | |
5547 skip_status_match_char(xp, s) | |
5548 expand_T *xp; | |
5549 char_u *s; | |
5550 { | |
1685 | 5551 if ((rem_backslash(s) && xp->xp_context != EXPAND_HELP) |
277 | 5552 #ifdef FEAT_MENU |
5553 || ((xp->xp_context == EXPAND_MENUS | |
5554 || xp->xp_context == EXPAND_MENUNAMES) | |
5555 && (s[0] == '\t' || (s[0] == '\\' && s[1] != NUL))) | |
5556 #endif | |
1685 | 5557 ) |
5558 { | |
5559 #ifndef BACKSLASH_IN_FILENAME | |
5560 if (xp->xp_shell && csh_like_shell() && s[1] == '\\' && s[2] == '!') | |
5561 return 2; | |
5562 #endif | |
5563 return 1; | |
5564 } | |
5565 return 0; | |
277 | 5566 } |
5567 | |
5568 /* | |
7 | 5569 * Show wildchar matches in the status line. |
5570 * Show at least the "match" item. | |
5571 * We start at item 'first_match' in the list and show all matches that fit. | |
5572 * | |
5573 * If inversion is possible we use it. Else '=' characters are used. | |
5574 */ | |
5575 void | |
5576 win_redr_status_matches(xp, num_matches, matches, match, showtail) | |
5577 expand_T *xp; | |
5578 int num_matches; | |
5579 char_u **matches; /* list of matches */ | |
5580 int match; | |
5581 int showtail; | |
5582 { | |
5583 #define L_MATCH(m) (showtail ? sm_gettail(matches[m]) : matches[m]) | |
5584 int row; | |
5585 char_u *buf; | |
5586 int len; | |
1378 | 5587 int clen; /* length in screen cells */ |
7 | 5588 int fillchar; |
5589 int attr; | |
5590 int i; | |
5591 int highlight = TRUE; | |
5592 char_u *selstart = NULL; | |
5593 int selstart_col = 0; | |
5594 char_u *selend = NULL; | |
5595 static int first_match = 0; | |
5596 int add_left = FALSE; | |
5597 char_u *s; | |
5598 #ifdef FEAT_MENU | |
5599 int emenu; | |
5600 #endif | |
5601 #if defined(FEAT_MBYTE) || defined(FEAT_MENU) | |
5602 int l; | |
5603 #endif | |
5604 | |
5605 if (matches == NULL) /* interrupted completion? */ | |
5606 return; | |
5607 | |
39 | 5608 #ifdef FEAT_MBYTE |
5609 if (has_mbyte) | |
5610 buf = alloc((unsigned)Columns * MB_MAXBYTES + 1); | |
5611 else | |
5612 #endif | |
5613 buf = alloc((unsigned)Columns + 1); | |
7 | 5614 if (buf == NULL) |
5615 return; | |
5616 | |
5617 if (match == -1) /* don't show match but original text */ | |
5618 { | |
5619 match = 0; | |
5620 highlight = FALSE; | |
5621 } | |
5622 /* count 1 for the ending ">" */ | |
5623 clen = status_match_len(xp, L_MATCH(match)) + 3; | |
5624 if (match == 0) | |
5625 first_match = 0; | |
5626 else if (match < first_match) | |
5627 { | |
5628 /* jumping left, as far as we can go */ | |
5629 first_match = match; | |
5630 add_left = TRUE; | |
5631 } | |
5632 else | |
5633 { | |
5634 /* check if match fits on the screen */ | |
5635 for (i = first_match; i < match; ++i) | |
5636 clen += status_match_len(xp, L_MATCH(i)) + 2; | |
5637 if (first_match > 0) | |
5638 clen += 2; | |
5639 /* jumping right, put match at the left */ | |
5640 if ((long)clen > Columns) | |
5641 { | |
5642 first_match = match; | |
5643 /* if showing the last match, we can add some on the left */ | |
5644 clen = 2; | |
5645 for (i = match; i < num_matches; ++i) | |
5646 { | |
5647 clen += status_match_len(xp, L_MATCH(i)) + 2; | |
5648 if ((long)clen >= Columns) | |
5649 break; | |
5650 } | |
5651 if (i == num_matches) | |
5652 add_left = TRUE; | |
5653 } | |
5654 } | |
5655 if (add_left) | |
5656 while (first_match > 0) | |
5657 { | |
5658 clen += status_match_len(xp, L_MATCH(first_match - 1)) + 2; | |
5659 if ((long)clen >= Columns) | |
5660 break; | |
5661 --first_match; | |
5662 } | |
5663 | |
5664 fillchar = fillchar_status(&attr, TRUE); | |
5665 | |
5666 if (first_match == 0) | |
5667 { | |
5668 *buf = NUL; | |
5669 len = 0; | |
5670 } | |
5671 else | |
5672 { | |
5673 STRCPY(buf, "< "); | |
5674 len = 2; | |
5675 } | |
5676 clen = len; | |
5677 | |
5678 i = first_match; | |
5679 while ((long)(clen + status_match_len(xp, L_MATCH(i)) + 2) < Columns) | |
5680 { | |
5681 if (i == match) | |
5682 { | |
5683 selstart = buf + len; | |
5684 selstart_col = clen; | |
5685 } | |
5686 | |
5687 s = L_MATCH(i); | |
5688 /* Check for menu separators - replace with '|' */ | |
5689 #ifdef FEAT_MENU | |
5690 emenu = (xp->xp_context == EXPAND_MENUS | |
5691 || xp->xp_context == EXPAND_MENUNAMES); | |
5692 if (emenu && menu_is_separator(s)) | |
5693 { | |
5694 STRCPY(buf + len, transchar('|')); | |
5695 l = (int)STRLEN(buf + len); | |
5696 len += l; | |
5697 clen += l; | |
5698 } | |
5699 else | |
5700 #endif | |
5701 for ( ; *s != NUL; ++s) | |
5702 { | |
1685 | 5703 s += skip_status_match_char(xp, s); |
7 | 5704 clen += ptr2cells(s); |
5705 #ifdef FEAT_MBYTE | |
474 | 5706 if (has_mbyte && (l = (*mb_ptr2len)(s)) > 1) |
7 | 5707 { |
5708 STRNCPY(buf + len, s, l); | |
5709 s += l - 1; | |
5710 len += l; | |
5711 } | |
5712 else | |
5713 #endif | |
5714 { | |
5715 STRCPY(buf + len, transchar_byte(*s)); | |
5716 len += (int)STRLEN(buf + len); | |
5717 } | |
5718 } | |
5719 if (i == match) | |
5720 selend = buf + len; | |
5721 | |
5722 *(buf + len++) = ' '; | |
5723 *(buf + len++) = ' '; | |
5724 clen += 2; | |
5725 if (++i == num_matches) | |
5726 break; | |
5727 } | |
5728 | |
5729 if (i != num_matches) | |
5730 { | |
5731 *(buf + len++) = '>'; | |
5732 ++clen; | |
5733 } | |
5734 | |
5735 buf[len] = NUL; | |
5736 | |
5737 row = cmdline_row - 1; | |
5738 if (row >= 0) | |
5739 { | |
5740 if (wild_menu_showing == 0) | |
5741 { | |
5742 if (msg_scrolled > 0) | |
5743 { | |
5744 /* Put the wildmenu just above the command line. If there is | |
5745 * no room, scroll the screen one line up. */ | |
5746 if (cmdline_row == Rows - 1) | |
5747 { | |
5748 screen_del_lines(0, 0, 1, (int)Rows, TRUE, NULL); | |
5749 ++msg_scrolled; | |
5750 } | |
5751 else | |
5752 { | |
5753 ++cmdline_row; | |
5754 ++row; | |
5755 } | |
5756 wild_menu_showing = WM_SCROLLED; | |
5757 } | |
5758 else | |
5759 { | |
5760 /* Create status line if needed by setting 'laststatus' to 2. | |
5761 * Set 'winminheight' to zero to avoid that the window is | |
5762 * resized. */ | |
5763 if (lastwin->w_status_height == 0) | |
5764 { | |
5765 save_p_ls = p_ls; | |
5766 save_p_wmh = p_wmh; | |
5767 p_ls = 2; | |
5768 p_wmh = 0; | |
5769 last_status(FALSE); | |
5770 } | |
5771 wild_menu_showing = WM_SHOWN; | |
5772 } | |
5773 } | |
5774 | |
5775 screen_puts(buf, row, 0, attr); | |
5776 if (selstart != NULL && highlight) | |
5777 { | |
5778 *selend = NUL; | |
5779 screen_puts(selstart, row, selstart_col, hl_attr(HLF_WM)); | |
5780 } | |
5781 | |
5782 screen_fill(row, row + 1, clen, (int)Columns, fillchar, fillchar, attr); | |
5783 } | |
5784 | |
5785 #ifdef FEAT_VERTSPLIT | |
5786 win_redraw_last_status(topframe); | |
5787 #else | |
5788 lastwin->w_redr_status = TRUE; | |
5789 #endif | |
5790 vim_free(buf); | |
5791 } | |
5792 #endif | |
5793 | |
5794 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
5795 /* | |
5796 * Redraw the status line of window wp. | |
5797 * | |
5798 * If inversion is possible we use it. Else '=' characters are used. | |
5799 */ | |
5800 void | |
5801 win_redr_status(wp) | |
5802 win_T *wp; | |
5803 { | |
5804 int row; | |
5805 char_u *p; | |
5806 int len; | |
5807 int fillchar; | |
5808 int attr; | |
5809 int this_ru_col; | |
1910 | 5810 static int busy = FALSE; |
5811 | |
5812 /* It's possible to get here recursively when 'statusline' (indirectly) | |
5813 * invokes ":redrawstatus". Simply ignore the call then. */ | |
5814 if (busy) | |
5815 return; | |
5816 busy = TRUE; | |
7 | 5817 |
5818 wp->w_redr_status = FALSE; | |
5819 if (wp->w_status_height == 0) | |
5820 { | |
5821 /* no status line, can only be last window */ | |
5822 redraw_cmdline = TRUE; | |
5823 } | |
540 | 5824 else if (!redrawing() |
5825 #ifdef FEAT_INS_EXPAND | |
5826 /* don't update status line when popup menu is visible and may be | |
5827 * drawn over it */ | |
5828 || pum_visible() | |
5829 #endif | |
5830 ) | |
7 | 5831 { |
5832 /* Don't redraw right now, do it later. */ | |
5833 wp->w_redr_status = TRUE; | |
5834 } | |
5835 #ifdef FEAT_STL_OPT | |
40 | 5836 else if (*p_stl != NUL || *wp->w_p_stl != NUL) |
7 | 5837 { |
5838 /* redraw custom status line */ | |
1983 | 5839 redraw_custom_statusline(wp); |
7 | 5840 } |
5841 #endif | |
5842 else | |
5843 { | |
5844 fillchar = fillchar_status(&attr, wp == curwin); | |
5845 | |
685 | 5846 get_trans_bufname(wp->w_buffer); |
7 | 5847 p = NameBuff; |
5848 len = (int)STRLEN(p); | |
5849 | |
5850 if (wp->w_buffer->b_help | |
5851 #ifdef FEAT_QUICKFIX | |
5852 || wp->w_p_pvw | |
5853 #endif | |
5854 || bufIsChanged(wp->w_buffer) | |
5855 || wp->w_buffer->b_p_ro) | |
5856 *(p + len++) = ' '; | |
5857 if (wp->w_buffer->b_help) | |
5858 { | |
809 | 5859 STRCPY(p + len, _("[Help]")); |
7 | 5860 len += (int)STRLEN(p + len); |
5861 } | |
5862 #ifdef FEAT_QUICKFIX | |
5863 if (wp->w_p_pvw) | |
5864 { | |
5865 STRCPY(p + len, _("[Preview]")); | |
5866 len += (int)STRLEN(p + len); | |
5867 } | |
5868 #endif | |
5869 if (bufIsChanged(wp->w_buffer)) | |
5870 { | |
5871 STRCPY(p + len, "[+]"); | |
5872 len += 3; | |
5873 } | |
5874 if (wp->w_buffer->b_p_ro) | |
5875 { | |
5876 STRCPY(p + len, "[RO]"); | |
5877 len += 4; | |
5878 } | |
5879 | |
5880 #ifndef FEAT_VERTSPLIT | |
5881 this_ru_col = ru_col; | |
5882 if (this_ru_col < (Columns + 1) / 2) | |
5883 this_ru_col = (Columns + 1) / 2; | |
5884 #else | |
5885 this_ru_col = ru_col - (Columns - W_WIDTH(wp)); | |
5886 if (this_ru_col < (W_WIDTH(wp) + 1) / 2) | |
5887 this_ru_col = (W_WIDTH(wp) + 1) / 2; | |
5888 if (this_ru_col <= 1) | |
5889 { | |
5890 p = (char_u *)"<"; /* No room for file name! */ | |
5891 len = 1; | |
5892 } | |
5893 else | |
5894 #endif | |
5895 #ifdef FEAT_MBYTE | |
5896 if (has_mbyte) | |
5897 { | |
5898 int clen = 0, i; | |
5899 | |
5900 /* Count total number of display cells. */ | |
474 | 5901 for (i = 0; p[i] != NUL; i += (*mb_ptr2len)(p + i)) |
7 | 5902 clen += (*mb_ptr2cells)(p + i); |
5903 /* Find first character that will fit. | |
5904 * Going from start to end is much faster for DBCS. */ | |
5905 for (i = 0; p[i] != NUL && clen >= this_ru_col - 1; | |
474 | 5906 i += (*mb_ptr2len)(p + i)) |
7 | 5907 clen -= (*mb_ptr2cells)(p + i); |
5908 len = clen; | |
5909 if (i > 0) | |
5910 { | |
5911 p = p + i - 1; | |
5912 *p = '<'; | |
5913 ++len; | |
5914 } | |
5915 | |
5916 } | |
5917 else | |
5918 #endif | |
5919 if (len > this_ru_col - 1) | |
5920 { | |
5921 p += len - (this_ru_col - 1); | |
5922 *p = '<'; | |
5923 len = this_ru_col - 1; | |
5924 } | |
5925 | |
5926 row = W_WINROW(wp) + wp->w_height; | |
5927 screen_puts(p, row, W_WINCOL(wp), attr); | |
5928 screen_fill(row, row + 1, len + W_WINCOL(wp), | |
5929 this_ru_col + W_WINCOL(wp), fillchar, fillchar, attr); | |
5930 | |
5931 if (get_keymap_str(wp, NameBuff, MAXPATHL) | |
5932 && (int)(this_ru_col - len) > (int)(STRLEN(NameBuff) + 1)) | |
5933 screen_puts(NameBuff, row, (int)(this_ru_col - STRLEN(NameBuff) | |
5934 - 1 + W_WINCOL(wp)), attr); | |
5935 | |
5936 #ifdef FEAT_CMDL_INFO | |
5937 win_redr_ruler(wp, TRUE); | |
5938 #endif | |
5939 } | |
5940 | |
5941 #ifdef FEAT_VERTSPLIT | |
5942 /* | |
5943 * May need to draw the character below the vertical separator. | |
5944 */ | |
5945 if (wp->w_vsep_width != 0 && wp->w_status_height != 0 && redrawing()) | |
5946 { | |
5947 if (stl_connected(wp)) | |
5948 fillchar = fillchar_status(&attr, wp == curwin); | |
5949 else | |
5950 fillchar = fillchar_vsep(&attr); | |
5951 screen_putchar(fillchar, W_WINROW(wp) + wp->w_height, W_ENDCOL(wp), | |
5952 attr); | |
5953 } | |
5954 #endif | |
1910 | 5955 busy = FALSE; |
7 | 5956 } |
5957 | |
680 | 5958 #ifdef FEAT_STL_OPT |
5959 /* | |
5960 * Redraw the status line according to 'statusline' and take care of any | |
5961 * errors encountered. | |
5962 */ | |
5963 static void | |
1983 | 5964 redraw_custom_statusline(wp) |
680 | 5965 win_T *wp; |
5966 { | |
1983 | 5967 static int entered = FALSE; |
5968 int save_called_emsg = called_emsg; | |
5969 | |
5970 /* When called recursively return. This can happen when the statusline | |
5971 * contains an expression that triggers a redraw. */ | |
5972 if (entered) | |
5973 return; | |
5974 entered = TRUE; | |
680 | 5975 |
5976 called_emsg = FALSE; | |
5977 win_redr_custom(wp, FALSE); | |
5978 if (called_emsg) | |
1983 | 5979 { |
5980 /* When there is an error disable the statusline, otherwise the | |
5981 * display is messed up with errors and a redraw triggers the problem | |
5982 * again and again. */ | |
680 | 5983 set_string_option_direct((char_u *)"statusline", -1, |
5984 (char_u *)"", OPT_FREE | (*wp->w_p_stl != NUL | |
694 | 5985 ? OPT_LOCAL : OPT_GLOBAL), SID_ERROR); |
1983 | 5986 } |
680 | 5987 called_emsg |= save_called_emsg; |
1983 | 5988 entered = FALSE; |
680 | 5989 } |
5990 #endif | |
5991 | |
7 | 5992 # ifdef FEAT_VERTSPLIT |
5993 /* | |
5994 * Return TRUE if the status line of window "wp" is connected to the status | |
5995 * line of the window right of it. If not, then it's a vertical separator. | |
5996 * Only call if (wp->w_vsep_width != 0). | |
5997 */ | |
5998 int | |
5999 stl_connected(wp) | |
6000 win_T *wp; | |
6001 { | |
6002 frame_T *fr; | |
6003 | |
6004 fr = wp->w_frame; | |
6005 while (fr->fr_parent != NULL) | |
6006 { | |
6007 if (fr->fr_parent->fr_layout == FR_COL) | |
6008 { | |
6009 if (fr->fr_next != NULL) | |
6010 break; | |
6011 } | |
6012 else | |
6013 { | |
6014 if (fr->fr_next != NULL) | |
6015 return TRUE; | |
6016 } | |
6017 fr = fr->fr_parent; | |
6018 } | |
6019 return FALSE; | |
6020 } | |
6021 # endif | |
6022 | |
6023 #endif /* FEAT_WINDOWS */ | |
6024 | |
6025 #if defined(FEAT_WINDOWS) || defined(FEAT_STL_OPT) || defined(PROTO) | |
6026 /* | |
6027 * Get the value to show for the language mappings, active 'keymap'. | |
6028 */ | |
6029 int | |
6030 get_keymap_str(wp, buf, len) | |
6031 win_T *wp; | |
6032 char_u *buf; /* buffer for the result */ | |
6033 int len; /* length of buffer */ | |
6034 { | |
6035 char_u *p; | |
6036 | |
6037 if (wp->w_buffer->b_p_iminsert != B_IMODE_LMAP) | |
6038 return FALSE; | |
6039 | |
6040 { | |
6041 #ifdef FEAT_EVAL | |
6042 buf_T *old_curbuf = curbuf; | |
6043 win_T *old_curwin = curwin; | |
6044 char_u *s; | |
6045 | |
6046 curbuf = wp->w_buffer; | |
6047 curwin = wp; | |
6048 STRCPY(buf, "b:keymap_name"); /* must be writable */ | |
6049 ++emsg_skip; | |
714 | 6050 s = p = eval_to_string(buf, NULL, FALSE); |
7 | 6051 --emsg_skip; |
6052 curbuf = old_curbuf; | |
6053 curwin = old_curwin; | |
6054 if (p == NULL || *p == NUL) | |
6055 #endif | |
6056 { | |
6057 #ifdef FEAT_KEYMAP | |
6058 if (wp->w_buffer->b_kmap_state & KEYMAP_LOADED) | |
6059 p = wp->w_buffer->b_p_keymap; | |
6060 else | |
6061 #endif | |
6062 p = (char_u *)"lang"; | |
6063 } | |
6064 if ((int)(STRLEN(p) + 3) < len) | |
6065 sprintf((char *)buf, "<%s>", p); | |
6066 else | |
6067 buf[0] = NUL; | |
6068 #ifdef FEAT_EVAL | |
6069 vim_free(s); | |
6070 #endif | |
6071 } | |
6072 return buf[0] != NUL; | |
6073 } | |
6074 #endif | |
6075 | |
6076 #if defined(FEAT_STL_OPT) || defined(PROTO) | |
6077 /* | |
677 | 6078 * Redraw the status line or ruler of window "wp". |
6079 * When "wp" is NULL redraw the tab pages line from 'tabline'. | |
7 | 6080 */ |
6081 static void | |
574 | 6082 win_redr_custom(wp, draw_ruler) |
7 | 6083 win_T *wp; |
574 | 6084 int draw_ruler; /* TRUE or FALSE */ |
7 | 6085 { |
6086 int attr; | |
6087 int curattr; | |
6088 int row; | |
6089 int col = 0; | |
6090 int maxwidth; | |
6091 int width; | |
6092 int n; | |
6093 int len; | |
6094 int fillchar; | |
6095 char_u buf[MAXPATHL]; | |
1983 | 6096 char_u *stl; |
7 | 6097 char_u *p; |
681 | 6098 struct stl_hlrec hltab[STL_MAX_ITEM]; |
6099 struct stl_hlrec tabtab[STL_MAX_ITEM]; | |
677 | 6100 int use_sandbox = FALSE; |
7 | 6101 |
6102 /* setup environment for the task at hand */ | |
677 | 6103 if (wp == NULL) |
6104 { | |
6105 /* Use 'tabline'. Always at the first line of the screen. */ | |
1983 | 6106 stl = p_tal; |
677 | 6107 row = 0; |
707 | 6108 fillchar = ' '; |
677 | 6109 attr = hl_attr(HLF_TPF); |
6110 maxwidth = Columns; | |
6111 # ifdef FEAT_EVAL | |
681 | 6112 use_sandbox = was_set_insecurely((char_u *)"tabline", 0); |
677 | 6113 # endif |
6114 } | |
40 | 6115 else |
677 | 6116 { |
6117 row = W_WINROW(wp) + wp->w_height; | |
6118 fillchar = fillchar_status(&attr, wp == curwin); | |
6119 maxwidth = W_WIDTH(wp); | |
6120 | |
6121 if (draw_ruler) | |
6122 { | |
1983 | 6123 stl = p_ruf; |
677 | 6124 /* advance past any leading group spec - implicit in ru_col */ |
1983 | 6125 if (*stl == '%') |
6126 { | |
6127 if (*++stl == '-') | |
6128 stl++; | |
6129 if (atoi((char *)stl)) | |
6130 while (VIM_ISDIGIT(*stl)) | |
6131 stl++; | |
6132 if (*stl++ != '(') | |
6133 stl = p_ruf; | |
677 | 6134 } |
7 | 6135 #ifdef FEAT_VERTSPLIT |
677 | 6136 col = ru_col - (Columns - W_WIDTH(wp)); |
6137 if (col < (W_WIDTH(wp) + 1) / 2) | |
6138 col = (W_WIDTH(wp) + 1) / 2; | |
7 | 6139 #else |
677 | 6140 col = ru_col; |
6141 if (col > (Columns + 1) / 2) | |
6142 col = (Columns + 1) / 2; | |
6143 #endif | |
6144 maxwidth = W_WIDTH(wp) - col; | |
7 | 6145 #ifdef FEAT_WINDOWS |
677 | 6146 if (!wp->w_status_height) |
6147 #endif | |
6148 { | |
6149 row = Rows - 1; | |
6150 --maxwidth; /* writing in last column may cause scrolling */ | |
6151 fillchar = ' '; | |
6152 attr = 0; | |
6153 } | |
6154 | |
6155 # ifdef FEAT_EVAL | |
681 | 6156 use_sandbox = was_set_insecurely((char_u *)"rulerformat", 0); |
677 | 6157 # endif |
6158 } | |
6159 else | |
6160 { | |
6161 if (*wp->w_p_stl != NUL) | |
1983 | 6162 stl = wp->w_p_stl; |
677 | 6163 else |
1983 | 6164 stl = p_stl; |
677 | 6165 # ifdef FEAT_EVAL |
681 | 6166 use_sandbox = was_set_insecurely((char_u *)"statusline", |
6167 *wp->w_p_stl == NUL ? 0 : OPT_LOCAL); | |
677 | 6168 # endif |
6169 } | |
6170 | |
6171 #ifdef FEAT_VERTSPLIT | |
6172 col += W_WINCOL(wp); | |
6173 #endif | |
6174 } | |
6175 | |
7 | 6176 if (maxwidth <= 0) |
6177 return; | |
677 | 6178 |
1983 | 6179 /* Make a copy, because the statusline may include a function call that |
6180 * might change the option value and free the memory. */ | |
6181 stl = vim_strsave(stl); | |
677 | 6182 width = build_stl_str_hl(wp == NULL ? curwin : wp, |
6183 buf, sizeof(buf), | |
1983 | 6184 stl, use_sandbox, |
681 | 6185 fillchar, maxwidth, hltab, tabtab); |
1983 | 6186 vim_free(stl); |
835 | 6187 len = (int)STRLEN(buf); |
7 | 6188 |
1883 | 6189 while (width < maxwidth && len < (int)sizeof(buf) - 1) |
7 | 6190 { |
6191 #ifdef FEAT_MBYTE | |
6192 len += (*mb_char2bytes)(fillchar, buf + len); | |
6193 #else | |
6194 buf[len++] = fillchar; | |
6195 #endif | |
6196 ++width; | |
6197 } | |
6198 buf[len] = NUL; | |
6199 | |
681 | 6200 /* |
6201 * Draw each snippet with the specified highlighting. | |
6202 */ | |
7 | 6203 curattr = attr; |
6204 p = buf; | |
681 | 6205 for (n = 0; hltab[n].start != NULL; n++) |
6206 { | |
6207 len = (int)(hltab[n].start - p); | |
7 | 6208 screen_puts_len(p, len, row, col, curattr); |
6209 col += vim_strnsize(p, len); | |
681 | 6210 p = hltab[n].start; |
6211 | |
6212 if (hltab[n].userhl == 0) | |
7 | 6213 curattr = attr; |
681 | 6214 else if (hltab[n].userhl < 0) |
6215 curattr = syn_id2attr(-hltab[n].userhl); | |
7 | 6216 #ifdef FEAT_WINDOWS |
680 | 6217 else if (wp != NULL && wp != curwin && wp->w_status_height != 0) |
681 | 6218 curattr = highlight_stlnc[hltab[n].userhl - 1]; |
7 | 6219 #endif |
6220 else | |
681 | 6221 curattr = highlight_user[hltab[n].userhl - 1]; |
7 | 6222 } |
6223 screen_puts(p, row, col, curattr); | |
681 | 6224 |
6225 if (wp == NULL) | |
6226 { | |
6227 /* Fill the TabPageIdxs[] array for clicking in the tab pagesline. */ | |
6228 col = 0; | |
6229 len = 0; | |
6230 p = buf; | |
6231 fillchar = 0; | |
6232 for (n = 0; tabtab[n].start != NULL; n++) | |
6233 { | |
6234 len += vim_strnsize(p, (int)(tabtab[n].start - p)); | |
6235 while (col < len) | |
6236 TabPageIdxs[col++] = fillchar; | |
6237 p = tabtab[n].start; | |
6238 fillchar = tabtab[n].userhl; | |
6239 } | |
6240 while (col < Columns) | |
6241 TabPageIdxs[col++] = fillchar; | |
6242 } | |
7 | 6243 } |
6244 | |
6245 #endif /* FEAT_STL_OPT */ | |
6246 | |
6247 /* | |
6248 * Output a single character directly to the screen and update ScreenLines. | |
6249 */ | |
6250 void | |
6251 screen_putchar(c, row, col, attr) | |
6252 int c; | |
6253 int row, col; | |
6254 int attr; | |
6255 { | |
6256 #ifdef FEAT_MBYTE | |
6257 char_u buf[MB_MAXBYTES + 1]; | |
6258 | |
6259 buf[(*mb_char2bytes)(c, buf)] = NUL; | |
6260 #else | |
6261 char_u buf[2]; | |
6262 | |
6263 buf[0] = c; | |
6264 buf[1] = NUL; | |
6265 #endif | |
6266 screen_puts(buf, row, col, attr); | |
6267 } | |
6268 | |
6269 /* | |
6270 * Get a single character directly from ScreenLines into "bytes[]". | |
6271 * Also return its attribute in *attrp; | |
6272 */ | |
6273 void | |
6274 screen_getbytes(row, col, bytes, attrp) | |
6275 int row, col; | |
6276 char_u *bytes; | |
6277 int *attrp; | |
6278 { | |
6279 unsigned off; | |
6280 | |
6281 /* safety check */ | |
6282 if (ScreenLines != NULL && row < screen_Rows && col < screen_Columns) | |
6283 { | |
6284 off = LineOffset[row] + col; | |
6285 *attrp = ScreenAttrs[off]; | |
6286 bytes[0] = ScreenLines[off]; | |
6287 bytes[1] = NUL; | |
6288 | |
6289 #ifdef FEAT_MBYTE | |
6290 if (enc_utf8 && ScreenLinesUC[off] != 0) | |
6291 bytes[utfc_char2bytes(off, bytes)] = NUL; | |
6292 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) | |
6293 { | |
6294 bytes[0] = ScreenLines[off]; | |
6295 bytes[1] = ScreenLines2[off]; | |
6296 bytes[2] = NUL; | |
6297 } | |
6298 else if (enc_dbcs && MB_BYTE2LEN(bytes[0]) > 1) | |
6299 { | |
6300 bytes[1] = ScreenLines[off + 1]; | |
6301 bytes[2] = NUL; | |
6302 } | |
6303 #endif | |
6304 } | |
6305 } | |
6306 | |
714 | 6307 #ifdef FEAT_MBYTE |
6308 static int screen_comp_differs __ARGS((int, int*)); | |
6309 | |
6310 /* | |
6311 * Return TRUE if composing characters for screen posn "off" differs from | |
6312 * composing characters in "u8cc". | |
2124
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6313 * Only to be used when ScreenLinesUC[off] != 0. |
714 | 6314 */ |
6315 static int | |
6316 screen_comp_differs(off, u8cc) | |
6317 int off; | |
6318 int *u8cc; | |
6319 { | |
6320 int i; | |
6321 | |
6322 for (i = 0; i < Screen_mco; ++i) | |
6323 { | |
6324 if (ScreenLinesC[i][off] != (u8char_T)u8cc[i]) | |
6325 return TRUE; | |
6326 if (u8cc[i] == 0) | |
6327 break; | |
6328 } | |
6329 return FALSE; | |
6330 } | |
6331 #endif | |
6332 | |
7 | 6333 /* |
6334 * Put string '*text' on the screen at position 'row' and 'col', with | |
6335 * attributes 'attr', and update ScreenLines[] and ScreenAttrs[]. | |
6336 * Note: only outputs within one row, message is truncated at screen boundary! | |
6337 * Note: if ScreenLines[], row and/or col is invalid, nothing is done. | |
6338 */ | |
6339 void | |
6340 screen_puts(text, row, col, attr) | |
6341 char_u *text; | |
6342 int row; | |
6343 int col; | |
6344 int attr; | |
6345 { | |
6346 screen_puts_len(text, -1, row, col, attr); | |
6347 } | |
6348 | |
6349 /* | |
6350 * Like screen_puts(), but output "text[len]". When "len" is -1 output up to | |
6351 * a NUL. | |
6352 */ | |
6353 void | |
6354 screen_puts_len(text, len, row, col, attr) | |
6355 char_u *text; | |
6356 int len; | |
6357 int row; | |
6358 int col; | |
6359 int attr; | |
6360 { | |
6361 unsigned off; | |
6362 char_u *ptr = text; | |
6363 int c; | |
6364 #ifdef FEAT_MBYTE | |
1378 | 6365 unsigned max_off; |
7 | 6366 int mbyte_blen = 1; |
6367 int mbyte_cells = 1; | |
6368 int u8c = 0; | |
714 | 6369 int u8cc[MAX_MCO]; |
7 | 6370 int clear_next_cell = FALSE; |
6371 # ifdef FEAT_ARABIC | |
6372 int prev_c = 0; /* previous Arabic character */ | |
714 | 6373 int pc, nc, nc1; |
6374 int pcc[MAX_MCO]; | |
7 | 6375 # endif |
6376 #endif | |
1843 | 6377 #if defined(FEAT_MBYTE) || defined(FEAT_GUI) || defined(UNIX) |
6378 int force_redraw_this; | |
6379 int force_redraw_next = FALSE; | |
6380 #endif | |
6381 int need_redraw; | |
7 | 6382 |
6383 if (ScreenLines == NULL || row >= screen_Rows) /* safety check */ | |
6384 return; | |
1843 | 6385 off = LineOffset[row] + col; |
7 | 6386 |
1668 | 6387 #ifdef FEAT_MBYTE |
6388 /* When drawing over the right halve of a double-wide char clear out the | |
6389 * left halve. Only needed in a terminal. */ | |
1685 | 6390 if (has_mbyte && col > 0 && col < screen_Columns |
1668 | 6391 # ifdef FEAT_GUI |
6392 && !gui.in_use | |
6393 # endif | |
6394 && mb_fix_col(col, row) != col) | |
1843 | 6395 { |
6396 ScreenLines[off - 1] = ' '; | |
6397 ScreenAttrs[off - 1] = 0; | |
6398 if (enc_utf8) | |
6399 { | |
6400 ScreenLinesUC[off - 1] = 0; | |
6401 ScreenLinesC[0][off - 1] = 0; | |
6402 } | |
6403 /* redraw the previous cell, make it empty */ | |
6404 screen_char(off - 1, row, col - 1); | |
6405 /* force the cell at "col" to be redrawn */ | |
6406 force_redraw_next = TRUE; | |
6407 } | |
6408 #endif | |
6409 | |
1378 | 6410 #ifdef FEAT_MBYTE |
6411 max_off = LineOffset[row] + screen_Columns; | |
6412 #endif | |
1340 | 6413 while (col < screen_Columns |
6414 && (len < 0 || (int)(ptr - text) < len) | |
6415 && *ptr != NUL) | |
7 | 6416 { |
6417 c = *ptr; | |
6418 #ifdef FEAT_MBYTE | |
6419 /* check if this is the first byte of a multibyte */ | |
6420 if (has_mbyte) | |
6421 { | |
6422 if (enc_utf8 && len > 0) | |
474 | 6423 mbyte_blen = utfc_ptr2len_len(ptr, (int)((text + len) - ptr)); |
7 | 6424 else |
474 | 6425 mbyte_blen = (*mb_ptr2len)(ptr); |
7 | 6426 if (enc_dbcs == DBCS_JPNU && c == 0x8e) |
6427 mbyte_cells = 1; | |
6428 else if (enc_dbcs != 0) | |
6429 mbyte_cells = mbyte_blen; | |
6430 else /* enc_utf8 */ | |
6431 { | |
6432 if (len >= 0) | |
714 | 6433 u8c = utfc_ptr2char_len(ptr, u8cc, |
7 | 6434 (int)((text + len) - ptr)); |
6435 else | |
714 | 6436 u8c = utfc_ptr2char(ptr, u8cc); |
7 | 6437 mbyte_cells = utf_char2cells(u8c); |
1401 | 6438 # ifdef UNICODE16 |
7 | 6439 /* Non-BMP character: display as ? or fullwidth ?. */ |
6440 if (u8c >= 0x10000) | |
6441 { | |
6442 u8c = (mbyte_cells == 2) ? 0xff1f : (int)'?'; | |
6443 if (attr == 0) | |
6444 attr = hl_attr(HLF_8); | |
6445 } | |
1401 | 6446 # endif |
7 | 6447 # ifdef FEAT_ARABIC |
6448 if (p_arshape && !p_tbidi && ARABIC_CHAR(u8c)) | |
6449 { | |
6450 /* Do Arabic shaping. */ | |
6451 if (len >= 0 && (int)(ptr - text) + mbyte_blen >= len) | |
6452 { | |
6453 /* Past end of string to be displayed. */ | |
6454 nc = NUL; | |
6455 nc1 = NUL; | |
6456 } | |
6457 else | |
714 | 6458 { |
1994 | 6459 nc = utfc_ptr2char_len(ptr + mbyte_blen, pcc, |
6460 (int)((text + len) - ptr - mbyte_blen)); | |
714 | 6461 nc1 = pcc[0]; |
6462 } | |
7 | 6463 pc = prev_c; |
6464 prev_c = u8c; | |
714 | 6465 u8c = arabic_shape(u8c, &c, &u8cc[0], nc, nc1, pc); |
7 | 6466 } |
6467 else | |
6468 prev_c = u8c; | |
6469 # endif | |
2055
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diff
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|
6470 if (col + mbyte_cells > screen_Columns) |
4aa4510d548c
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2008
diff
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|
6471 { |
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diff
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|
6472 /* Only 1 cell left, but character requires 2 cells: |
4aa4510d548c
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parents:
2008
diff
changeset
|
6473 * display a '>' in the last column to avoid wrapping. */ |
4aa4510d548c
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parents:
2008
diff
changeset
|
6474 c = '>'; |
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diff
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|
6475 mbyte_cells = 1; |
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parents:
2008
diff
changeset
|
6476 } |
7 | 6477 } |
6478 } | |
6479 #endif | |
6480 | |
1843 | 6481 #if defined(FEAT_MBYTE) || defined(FEAT_GUI) || defined(UNIX) |
6482 force_redraw_this = force_redraw_next; | |
6483 force_redraw_next = FALSE; | |
6484 #endif | |
6485 | |
6486 need_redraw = ScreenLines[off] != c | |
7 | 6487 #ifdef FEAT_MBYTE |
6488 || (mbyte_cells == 2 | |
6489 && ScreenLines[off + 1] != (enc_dbcs ? ptr[1] : 0)) | |
6490 || (enc_dbcs == DBCS_JPNU | |
6491 && c == 0x8e | |
6492 && ScreenLines2[off] != ptr[1]) | |
6493 || (enc_utf8 | |
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|
6494 && (ScreenLinesUC[off] != |
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|
6495 (u8char_T)(c < 0x80 && u8cc[0] == 0 ? 0 : u8c) |
dc8a5699253b
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|
6496 || (ScreenLinesUC[off] != 0 |
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|
6497 && screen_comp_differs(off, u8cc)))) |
7 | 6498 #endif |
6499 || ScreenAttrs[off] != attr | |
1843 | 6500 || exmode_active; |
6501 | |
6502 if (need_redraw | |
6503 #if defined(FEAT_MBYTE) || defined(FEAT_GUI) || defined(UNIX) | |
6504 || force_redraw_this | |
6505 #endif | |
7 | 6506 ) |
6507 { | |
6508 #if defined(FEAT_GUI) || defined(UNIX) | |
6509 /* The bold trick makes a single row of pixels appear in the next | |
6510 * character. When a bold character is removed, the next | |
6511 * character should be redrawn too. This happens for our own GUI | |
1843 | 6512 * and for some xterms. */ |
6513 if (need_redraw && ScreenLines[off] != ' ' && ( | |
7 | 6514 # ifdef FEAT_GUI |
6515 gui.in_use | |
6516 # endif | |
6517 # if defined(FEAT_GUI) && defined(UNIX) | |
6518 || | |
6519 # endif | |
6520 # ifdef UNIX | |
6521 term_is_xterm | |
6522 # endif | |
1843 | 6523 )) |
6524 { | |
6525 int n = ScreenAttrs[off]; | |
6526 | |
6527 if (n > HL_ALL) | |
6528 n = syn_attr2attr(n); | |
6529 if (n & HL_BOLD) | |
6530 force_redraw_next = TRUE; | |
7 | 6531 } |
6532 #endif | |
6533 #ifdef FEAT_MBYTE | |
6534 /* When at the end of the text and overwriting a two-cell | |
6535 * character with a one-cell character, need to clear the next | |
6536 * cell. Also when overwriting the left halve of a two-cell char | |
6537 * with the right halve of a two-cell char. Do this only once | |
6538 * (mb_off2cells() may return 2 on the right halve). */ | |
6539 if (clear_next_cell) | |
6540 clear_next_cell = FALSE; | |
6541 else if (has_mbyte | |
6542 && (len < 0 ? ptr[mbyte_blen] == NUL | |
6543 : ptr + mbyte_blen >= text + len) | |
1378 | 6544 && ((mbyte_cells == 1 && (*mb_off2cells)(off, max_off) > 1) |
7 | 6545 || (mbyte_cells == 2 |
1378 | 6546 && (*mb_off2cells)(off, max_off) == 1 |
6547 && (*mb_off2cells)(off + 1, max_off) > 1))) | |
7 | 6548 clear_next_cell = TRUE; |
6549 | |
6550 /* Make sure we never leave a second byte of a double-byte behind, | |
6551 * it confuses mb_off2cells(). */ | |
6552 if (enc_dbcs | |
1378 | 6553 && ((mbyte_cells == 1 && (*mb_off2cells)(off, max_off) > 1) |
7 | 6554 || (mbyte_cells == 2 |
1378 | 6555 && (*mb_off2cells)(off, max_off) == 1 |
6556 && (*mb_off2cells)(off + 1, max_off) > 1))) | |
7 | 6557 ScreenLines[off + mbyte_blen] = 0; |
6558 #endif | |
6559 ScreenLines[off] = c; | |
6560 ScreenAttrs[off] = attr; | |
6561 #ifdef FEAT_MBYTE | |
6562 if (enc_utf8) | |
6563 { | |
714 | 6564 if (c < 0x80 && u8cc[0] == 0) |
7 | 6565 ScreenLinesUC[off] = 0; |
6566 else | |
6567 { | |
714 | 6568 int i; |
6569 | |
7 | 6570 ScreenLinesUC[off] = u8c; |
714 | 6571 for (i = 0; i < Screen_mco; ++i) |
6572 { | |
6573 ScreenLinesC[i][off] = u8cc[i]; | |
6574 if (u8cc[i] == 0) | |
6575 break; | |
6576 } | |
7 | 6577 } |
6578 if (mbyte_cells == 2) | |
6579 { | |
6580 ScreenLines[off + 1] = 0; | |
6581 ScreenAttrs[off + 1] = attr; | |
6582 } | |
6583 screen_char(off, row, col); | |
6584 } | |
6585 else if (mbyte_cells == 2) | |
6586 { | |
6587 ScreenLines[off + 1] = ptr[1]; | |
6588 ScreenAttrs[off + 1] = attr; | |
6589 screen_char_2(off, row, col); | |
6590 } | |
6591 else if (enc_dbcs == DBCS_JPNU && c == 0x8e) | |
6592 { | |
6593 ScreenLines2[off] = ptr[1]; | |
6594 screen_char(off, row, col); | |
6595 } | |
6596 else | |
6597 #endif | |
6598 screen_char(off, row, col); | |
6599 } | |
6600 #ifdef FEAT_MBYTE | |
6601 if (has_mbyte) | |
6602 { | |
6603 off += mbyte_cells; | |
6604 col += mbyte_cells; | |
6605 ptr += mbyte_blen; | |
6606 if (clear_next_cell) | |
6607 ptr = (char_u *)" "; | |
6608 } | |
6609 else | |
6610 #endif | |
6611 { | |
6612 ++off; | |
6613 ++col; | |
6614 ++ptr; | |
6615 } | |
6616 } | |
1843 | 6617 |
6618 #if defined(FEAT_MBYTE) || defined(FEAT_GUI) || defined(UNIX) | |
6619 /* If we detected the next character needs to be redrawn, but the text | |
6620 * doesn't extend up to there, update the character here. */ | |
6621 if (force_redraw_next && col < screen_Columns) | |
6622 { | |
6623 # ifdef FEAT_MBYTE | |
6624 if (enc_dbcs != 0 && dbcs_off2cells(off, max_off) > 1) | |
6625 screen_char_2(off, row, col); | |
6626 else | |
6627 # endif | |
6628 screen_char(off, row, col); | |
6629 } | |
6630 #endif | |
7 | 6631 } |
6632 | |
6633 #ifdef FEAT_SEARCH_EXTRA | |
6634 /* | |
1326 | 6635 * Prepare for 'hlsearch' highlighting. |
7 | 6636 */ |
6637 static void | |
6638 start_search_hl() | |
6639 { | |
6640 if (p_hls && !no_hlsearch) | |
6641 { | |
6642 last_pat_prog(&search_hl.rm); | |
6643 search_hl.attr = hl_attr(HLF_L); | |
1521 | 6644 # ifdef FEAT_RELTIME |
6645 /* Set the time limit to 'redrawtime'. */ | |
6646 profile_setlimit(p_rdt, &search_hl.tm); | |
6647 # endif | |
7 | 6648 } |
6649 } | |
6650 | |
6651 /* | |
1326 | 6652 * Clean up for 'hlsearch' highlighting. |
7 | 6653 */ |
6654 static void | |
6655 end_search_hl() | |
6656 { | |
6657 if (search_hl.rm.regprog != NULL) | |
6658 { | |
6659 vim_free(search_hl.rm.regprog); | |
6660 search_hl.rm.regprog = NULL; | |
6661 } | |
6662 } | |
6663 | |
6664 /* | |
6665 * Advance to the match in window "wp" line "lnum" or past it. | |
6666 */ | |
6667 static void | |
6668 prepare_search_hl(wp, lnum) | |
6669 win_T *wp; | |
6670 linenr_T lnum; | |
6671 { | |
1326 | 6672 matchitem_T *cur; /* points to the match list */ |
6673 match_T *shl; /* points to search_hl or a match */ | |
6674 int shl_flag; /* flag to indicate whether search_hl | |
6675 has been processed or not */ | |
7 | 6676 int n; |
6677 | |
6678 /* | |
6679 * When using a multi-line pattern, start searching at the top | |
6680 * of the window or just after a closed fold. | |
1326 | 6681 * Do this both for search_hl and the match list. |
7 | 6682 */ |
1326 | 6683 cur = wp->w_match_head; |
6684 shl_flag = FALSE; | |
6685 while (cur != NULL || shl_flag == FALSE) | |
6686 { | |
6687 if (shl_flag == FALSE) | |
6688 { | |
6689 shl = &search_hl; | |
6690 shl_flag = TRUE; | |
6691 } | |
6692 else | |
6693 shl = &cur->hl; | |
7 | 6694 if (shl->rm.regprog != NULL |
6695 && shl->lnum == 0 | |
6696 && re_multiline(shl->rm.regprog)) | |
6697 { | |
6698 if (shl->first_lnum == 0) | |
6699 { | |
6700 # ifdef FEAT_FOLDING | |
6701 for (shl->first_lnum = lnum; | |
6702 shl->first_lnum > wp->w_topline; --shl->first_lnum) | |
6703 if (hasFoldingWin(wp, shl->first_lnum - 1, | |
6704 NULL, NULL, TRUE, NULL)) | |
6705 break; | |
6706 # else | |
6707 shl->first_lnum = wp->w_topline; | |
6708 # endif | |
6709 } | |
6710 n = 0; | |
6711 while (shl->first_lnum < lnum && shl->rm.regprog != NULL) | |
6712 { | |
6713 next_search_hl(wp, shl, shl->first_lnum, (colnr_T)n); | |
6714 if (shl->lnum != 0) | |
6715 { | |
6716 shl->first_lnum = shl->lnum | |
6717 + shl->rm.endpos[0].lnum | |
6718 - shl->rm.startpos[0].lnum; | |
6719 n = shl->rm.endpos[0].col; | |
6720 } | |
6721 else | |
6722 { | |
6723 ++shl->first_lnum; | |
6724 n = 0; | |
6725 } | |
6726 } | |
6727 } | |
1326 | 6728 if (shl != &search_hl && cur != NULL) |
6729 cur = cur->next; | |
7 | 6730 } |
6731 } | |
6732 | |
6733 /* | |
1326 | 6734 * Search for a next 'hlsearch' or match. |
7 | 6735 * Uses shl->buf. |
6736 * Sets shl->lnum and shl->rm contents. | |
6737 * Note: Assumes a previous match is always before "lnum", unless | |
6738 * shl->lnum is zero. | |
6739 * Careful: Any pointers for buffer lines will become invalid. | |
6740 */ | |
6741 static void | |
6742 next_search_hl(win, shl, lnum, mincol) | |
6743 win_T *win; | |
1326 | 6744 match_T *shl; /* points to search_hl or a match */ |
7 | 6745 linenr_T lnum; |
6746 colnr_T mincol; /* minimal column for a match */ | |
6747 { | |
6748 linenr_T l; | |
6749 colnr_T matchcol; | |
6750 long nmatched; | |
6751 | |
6752 if (shl->lnum != 0) | |
6753 { | |
6754 /* Check for three situations: | |
6755 * 1. If the "lnum" is below a previous match, start a new search. | |
6756 * 2. If the previous match includes "mincol", use it. | |
6757 * 3. Continue after the previous match. | |
6758 */ | |
6759 l = shl->lnum + shl->rm.endpos[0].lnum - shl->rm.startpos[0].lnum; | |
6760 if (lnum > l) | |
6761 shl->lnum = 0; | |
6762 else if (lnum < l || shl->rm.endpos[0].col > mincol) | |
6763 return; | |
6764 } | |
6765 | |
6766 /* | |
6767 * Repeat searching for a match until one is found that includes "mincol" | |
6768 * or none is found in this line. | |
6769 */ | |
6770 called_emsg = FALSE; | |
6771 for (;;) | |
6772 { | |
1521 | 6773 #ifdef FEAT_RELTIME |
6774 /* Stop searching after passing the time limit. */ | |
6775 if (profile_passed_limit(&(shl->tm))) | |
6776 { | |
6777 shl->lnum = 0; /* no match found in time */ | |
6778 break; | |
6779 } | |
6780 #endif | |
7 | 6781 /* Three situations: |
6782 * 1. No useful previous match: search from start of line. | |
6783 * 2. Not Vi compatible or empty match: continue at next character. | |
6784 * Break the loop if this is beyond the end of the line. | |
6785 * 3. Vi compatible searching: continue at end of previous match. | |
6786 */ | |
6787 if (shl->lnum == 0) | |
6788 matchcol = 0; | |
6789 else if (vim_strchr(p_cpo, CPO_SEARCH) == NULL | |
6790 || (shl->rm.endpos[0].lnum == 0 | |
685 | 6791 && shl->rm.endpos[0].col <= shl->rm.startpos[0].col)) |
6792 { | |
688 | 6793 char_u *ml; |
685 | 6794 |
6795 matchcol = shl->rm.startpos[0].col; | |
688 | 6796 ml = ml_get_buf(shl->buf, lnum, FALSE) + matchcol; |
685 | 6797 if (*ml == NUL) |
6798 { | |
6799 ++matchcol; | |
7 | 6800 shl->lnum = 0; |
6801 break; | |
6802 } | |
685 | 6803 #ifdef FEAT_MBYTE |
6804 if (has_mbyte) | |
6805 matchcol += mb_ptr2len(ml); | |
6806 else | |
6807 #endif | |
6808 ++matchcol; | |
7 | 6809 } |
6810 else | |
6811 matchcol = shl->rm.endpos[0].col; | |
6812 | |
6813 shl->lnum = lnum; | |
1521 | 6814 nmatched = vim_regexec_multi(&shl->rm, win, shl->buf, lnum, matchcol, |
6815 #ifdef FEAT_RELTIME | |
6816 &(shl->tm) | |
6817 #else | |
6818 NULL | |
6819 #endif | |
6820 ); | |
7 | 6821 if (called_emsg) |
6822 { | |
6823 /* Error while handling regexp: stop using this regexp. */ | |
1112 | 6824 if (shl == &search_hl) |
6825 { | |
1326 | 6826 /* don't free regprog in the match list, it's a copy */ |
1112 | 6827 vim_free(shl->rm.regprog); |
6828 no_hlsearch = TRUE; | |
6829 } | |
7 | 6830 shl->rm.regprog = NULL; |
1112 | 6831 shl->lnum = 0; |
6832 got_int = FALSE; /* avoid the "Type :quit to exit Vim" message */ | |
7 | 6833 break; |
6834 } | |
6835 if (nmatched == 0) | |
6836 { | |
6837 shl->lnum = 0; /* no match found */ | |
6838 break; | |
6839 } | |
6840 if (shl->rm.startpos[0].lnum > 0 | |
6841 || shl->rm.startpos[0].col >= mincol | |
6842 || nmatched > 1 | |
6843 || shl->rm.endpos[0].col > mincol) | |
6844 { | |
6845 shl->lnum += shl->rm.startpos[0].lnum; | |
6846 break; /* useful match found */ | |
6847 } | |
6848 } | |
6849 } | |
6850 #endif | |
6851 | |
6852 static void | |
6853 screen_start_highlight(attr) | |
6854 int attr; | |
6855 { | |
6856 attrentry_T *aep = NULL; | |
6857 | |
6858 screen_attr = attr; | |
6859 if (full_screen | |
6860 #ifdef WIN3264 | |
6861 && termcap_active | |
6862 #endif | |
6863 ) | |
6864 { | |
6865 #ifdef FEAT_GUI | |
6866 if (gui.in_use) | |
6867 { | |
6868 char buf[20]; | |
6869 | |
681 | 6870 /* The GUI handles this internally. */ |
6871 sprintf(buf, IF_EB("\033|%dh", ESC_STR "|%dh"), attr); | |
7 | 6872 OUT_STR(buf); |
6873 } | |
6874 else | |
6875 #endif | |
6876 { | |
6877 if (attr > HL_ALL) /* special HL attr. */ | |
6878 { | |
6879 if (t_colors > 1) | |
6880 aep = syn_cterm_attr2entry(attr); | |
6881 else | |
6882 aep = syn_term_attr2entry(attr); | |
6883 if (aep == NULL) /* did ":syntax clear" */ | |
6884 attr = 0; | |
6885 else | |
6886 attr = aep->ae_attr; | |
6887 } | |
6888 if ((attr & HL_BOLD) && T_MD != NULL) /* bold */ | |
6889 out_str(T_MD); | |
681 | 6890 else if (aep != NULL && t_colors > 1 && aep->ae_u.cterm.fg_color |
6891 && cterm_normal_fg_bold) | |
6892 /* If the Normal FG color has BOLD attribute and the new HL | |
6893 * has a FG color defined, clear BOLD. */ | |
6894 out_str(T_ME); | |
7 | 6895 if ((attr & HL_STANDOUT) && T_SO != NULL) /* standout */ |
6896 out_str(T_SO); | |
205 | 6897 if ((attr & (HL_UNDERLINE | HL_UNDERCURL)) && T_US != NULL) |
6898 /* underline or undercurl */ | |
7 | 6899 out_str(T_US); |
6900 if ((attr & HL_ITALIC) && T_CZH != NULL) /* italic */ | |
6901 out_str(T_CZH); | |
6902 if ((attr & HL_INVERSE) && T_MR != NULL) /* inverse (reverse) */ | |
6903 out_str(T_MR); | |
6904 | |
6905 /* | |
6906 * Output the color or start string after bold etc., in case the | |
6907 * bold etc. override the color setting. | |
6908 */ | |
6909 if (aep != NULL) | |
6910 { | |
6911 if (t_colors > 1) | |
6912 { | |
6913 if (aep->ae_u.cterm.fg_color) | |
6914 term_fg_color(aep->ae_u.cterm.fg_color - 1); | |
6915 if (aep->ae_u.cterm.bg_color) | |
6916 term_bg_color(aep->ae_u.cterm.bg_color - 1); | |
6917 } | |
6918 else | |
6919 { | |
6920 if (aep->ae_u.term.start != NULL) | |
6921 out_str(aep->ae_u.term.start); | |
6922 } | |
6923 } | |
6924 } | |
6925 } | |
6926 } | |
6927 | |
6928 void | |
6929 screen_stop_highlight() | |
6930 { | |
6931 int do_ME = FALSE; /* output T_ME code */ | |
6932 | |
6933 if (screen_attr != 0 | |
6934 #ifdef WIN3264 | |
6935 && termcap_active | |
6936 #endif | |
6937 ) | |
6938 { | |
6939 #ifdef FEAT_GUI | |
6940 if (gui.in_use) | |
6941 { | |
6942 char buf[20]; | |
6943 | |
6944 /* use internal GUI code */ | |
6945 sprintf(buf, IF_EB("\033|%dH", ESC_STR "|%dH"), screen_attr); | |
6946 OUT_STR(buf); | |
6947 } | |
6948 else | |
6949 #endif | |
6950 { | |
6951 if (screen_attr > HL_ALL) /* special HL attr. */ | |
6952 { | |
6953 attrentry_T *aep; | |
6954 | |
6955 if (t_colors > 1) | |
6956 { | |
6957 /* | |
6958 * Assume that t_me restores the original colors! | |
6959 */ | |
6960 aep = syn_cterm_attr2entry(screen_attr); | |
6961 if (aep != NULL && (aep->ae_u.cterm.fg_color | |
6962 || aep->ae_u.cterm.bg_color)) | |
6963 do_ME = TRUE; | |
6964 } | |
6965 else | |
6966 { | |
6967 aep = syn_term_attr2entry(screen_attr); | |
6968 if (aep != NULL && aep->ae_u.term.stop != NULL) | |
6969 { | |
6970 if (STRCMP(aep->ae_u.term.stop, T_ME) == 0) | |
6971 do_ME = TRUE; | |
6972 else | |
6973 out_str(aep->ae_u.term.stop); | |
6974 } | |
6975 } | |
6976 if (aep == NULL) /* did ":syntax clear" */ | |
6977 screen_attr = 0; | |
6978 else | |
6979 screen_attr = aep->ae_attr; | |
6980 } | |
6981 | |
6982 /* | |
6983 * Often all ending-codes are equal to T_ME. Avoid outputting the | |
6984 * same sequence several times. | |
6985 */ | |
6986 if (screen_attr & HL_STANDOUT) | |
6987 { | |
6988 if (STRCMP(T_SE, T_ME) == 0) | |
6989 do_ME = TRUE; | |
6990 else | |
6991 out_str(T_SE); | |
6992 } | |
205 | 6993 if (screen_attr & (HL_UNDERLINE | HL_UNDERCURL)) |
7 | 6994 { |
6995 if (STRCMP(T_UE, T_ME) == 0) | |
6996 do_ME = TRUE; | |
6997 else | |
6998 out_str(T_UE); | |
6999 } | |
7000 if (screen_attr & HL_ITALIC) | |
7001 { | |
7002 if (STRCMP(T_CZR, T_ME) == 0) | |
7003 do_ME = TRUE; | |
7004 else | |
7005 out_str(T_CZR); | |
7006 } | |
7007 if (do_ME || (screen_attr & (HL_BOLD | HL_INVERSE))) | |
7008 out_str(T_ME); | |
7009 | |
7010 if (t_colors > 1) | |
7011 { | |
7012 /* set Normal cterm colors */ | |
7013 if (cterm_normal_fg_color != 0) | |
7014 term_fg_color(cterm_normal_fg_color - 1); | |
7015 if (cterm_normal_bg_color != 0) | |
7016 term_bg_color(cterm_normal_bg_color - 1); | |
7017 if (cterm_normal_fg_bold) | |
7018 out_str(T_MD); | |
7019 } | |
7020 } | |
7021 } | |
7022 screen_attr = 0; | |
7023 } | |
7024 | |
7025 /* | |
7026 * Reset the colors for a cterm. Used when leaving Vim. | |
7027 * The machine specific code may override this again. | |
7028 */ | |
7029 void | |
7030 reset_cterm_colors() | |
7031 { | |
7032 if (t_colors > 1) | |
7033 { | |
7034 /* set Normal cterm colors */ | |
7035 if (cterm_normal_fg_color > 0 || cterm_normal_bg_color > 0) | |
7036 { | |
7037 out_str(T_OP); | |
7038 screen_attr = -1; | |
7039 } | |
7040 if (cterm_normal_fg_bold) | |
7041 { | |
7042 out_str(T_ME); | |
7043 screen_attr = -1; | |
7044 } | |
7045 } | |
7046 } | |
7047 | |
7048 /* | |
7049 * Put character ScreenLines["off"] on the screen at position "row" and "col", | |
7050 * using the attributes from ScreenAttrs["off"]. | |
7051 */ | |
7052 static void | |
7053 screen_char(off, row, col) | |
7054 unsigned off; | |
7055 int row; | |
7056 int col; | |
7057 { | |
7058 int attr; | |
7059 | |
7060 /* Check for illegal values, just in case (could happen just after | |
7061 * resizing). */ | |
7062 if (row >= screen_Rows || col >= screen_Columns) | |
7063 return; | |
7064 | |
7065 /* Outputting the last character on the screen may scrollup the screen. | |
7066 * Don't to it! Mark the character invalid (update it when scrolled up) */ | |
7067 if (row == screen_Rows - 1 && col == screen_Columns - 1 | |
7068 #ifdef FEAT_RIGHTLEFT | |
7069 /* account for first command-line character in rightleft mode */ | |
7070 && !cmdmsg_rl | |
7071 #endif | |
7072 ) | |
7073 { | |
7074 ScreenAttrs[off] = (sattr_T)-1; | |
7075 return; | |
7076 } | |
7077 | |
7078 /* | |
7079 * Stop highlighting first, so it's easier to move the cursor. | |
7080 */ | |
7081 #if defined(FEAT_CLIPBOARD) || defined(FEAT_VERTSPLIT) | |
7082 if (screen_char_attr != 0) | |
7083 attr = screen_char_attr; | |
7084 else | |
7085 #endif | |
7086 attr = ScreenAttrs[off]; | |
7087 if (screen_attr != attr) | |
7088 screen_stop_highlight(); | |
7089 | |
7090 windgoto(row, col); | |
7091 | |
7092 if (screen_attr != attr) | |
7093 screen_start_highlight(attr); | |
7094 | |
7095 #ifdef FEAT_MBYTE | |
7096 if (enc_utf8 && ScreenLinesUC[off] != 0) | |
7097 { | |
7098 char_u buf[MB_MAXBYTES + 1]; | |
7099 | |
7100 /* Convert UTF-8 character to bytes and write it. */ | |
7101 | |
7102 buf[utfc_char2bytes(off, buf)] = NUL; | |
7103 | |
7104 out_str(buf); | |
7105 if (utf_char2cells(ScreenLinesUC[off]) > 1) | |
7106 ++screen_cur_col; | |
7107 } | |
7108 else | |
7109 #endif | |
7110 { | |
7111 #ifdef FEAT_MBYTE | |
7112 out_flush_check(); | |
7113 #endif | |
7114 out_char(ScreenLines[off]); | |
7115 #ifdef FEAT_MBYTE | |
7116 /* double-byte character in single-width cell */ | |
7117 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) | |
7118 out_char(ScreenLines2[off]); | |
7119 #endif | |
7120 } | |
7121 | |
7122 screen_cur_col++; | |
7123 } | |
7124 | |
7125 #ifdef FEAT_MBYTE | |
7126 | |
7127 /* | |
7128 * Used for enc_dbcs only: Put one double-wide character at ScreenLines["off"] | |
7129 * on the screen at position 'row' and 'col'. | |
7130 * The attributes of the first byte is used for all. This is required to | |
7131 * output the two bytes of a double-byte character with nothing in between. | |
7132 */ | |
7133 static void | |
7134 screen_char_2(off, row, col) | |
7135 unsigned off; | |
7136 int row; | |
7137 int col; | |
7138 { | |
7139 /* Check for illegal values (could be wrong when screen was resized). */ | |
7140 if (off + 1 >= (unsigned)(screen_Rows * screen_Columns)) | |
7141 return; | |
7142 | |
7143 /* Outputting the last character on the screen may scrollup the screen. | |
7144 * Don't to it! Mark the character invalid (update it when scrolled up) */ | |
7145 if (row == screen_Rows - 1 && col >= screen_Columns - 2) | |
7146 { | |
7147 ScreenAttrs[off] = (sattr_T)-1; | |
7148 return; | |
7149 } | |
7150 | |
7151 /* Output the first byte normally (positions the cursor), then write the | |
7152 * second byte directly. */ | |
7153 screen_char(off, row, col); | |
7154 out_char(ScreenLines[off + 1]); | |
7155 ++screen_cur_col; | |
7156 } | |
7157 #endif | |
7158 | |
7159 #if defined(FEAT_CLIPBOARD) || defined(FEAT_VERTSPLIT) || defined(PROTO) | |
7160 /* | |
7161 * Draw a rectangle of the screen, inverted when "invert" is TRUE. | |
7162 * This uses the contents of ScreenLines[] and doesn't change it. | |
7163 */ | |
7164 void | |
7165 screen_draw_rectangle(row, col, height, width, invert) | |
7166 int row; | |
7167 int col; | |
7168 int height; | |
7169 int width; | |
7170 int invert; | |
7171 { | |
7172 int r, c; | |
7173 int off; | |
1378 | 7174 #ifdef FEAT_MBYTE |
7175 int max_off; | |
7176 #endif | |
7 | 7177 |
534 | 7178 /* Can't use ScreenLines unless initialized */ |
7179 if (ScreenLines == NULL) | |
7180 return; | |
7181 | |
7 | 7182 if (invert) |
7183 screen_char_attr = HL_INVERSE; | |
7184 for (r = row; r < row + height; ++r) | |
7185 { | |
7186 off = LineOffset[r]; | |
1378 | 7187 #ifdef FEAT_MBYTE |
7188 max_off = off + screen_Columns; | |
7189 #endif | |
7 | 7190 for (c = col; c < col + width; ++c) |
7191 { | |
7192 #ifdef FEAT_MBYTE | |
1378 | 7193 if (enc_dbcs != 0 && dbcs_off2cells(off + c, max_off) > 1) |
7 | 7194 { |
7195 screen_char_2(off + c, r, c); | |
7196 ++c; | |
7197 } | |
7198 else | |
7199 #endif | |
7200 { | |
7201 screen_char(off + c, r, c); | |
7202 #ifdef FEAT_MBYTE | |
1378 | 7203 if (utf_off2cells(off + c, max_off) > 1) |
7 | 7204 ++c; |
7205 #endif | |
7206 } | |
7207 } | |
7208 } | |
7209 screen_char_attr = 0; | |
7210 } | |
7211 #endif | |
7212 | |
7213 #ifdef FEAT_VERTSPLIT | |
7214 /* | |
7215 * Redraw the characters for a vertically split window. | |
7216 */ | |
7217 static void | |
7218 redraw_block(row, end, wp) | |
7219 int row; | |
7220 int end; | |
7221 win_T *wp; | |
7222 { | |
7223 int col; | |
7224 int width; | |
7225 | |
7226 # ifdef FEAT_CLIPBOARD | |
7227 clip_may_clear_selection(row, end - 1); | |
7228 # endif | |
7229 | |
7230 if (wp == NULL) | |
7231 { | |
7232 col = 0; | |
7233 width = Columns; | |
7234 } | |
7235 else | |
7236 { | |
7237 col = wp->w_wincol; | |
7238 width = wp->w_width; | |
7239 } | |
7240 screen_draw_rectangle(row, col, end - row, width, FALSE); | |
7241 } | |
7242 #endif | |
7243 | |
7244 /* | |
7245 * Fill the screen from 'start_row' to 'end_row', from 'start_col' to 'end_col' | |
7246 * with character 'c1' in first column followed by 'c2' in the other columns. | |
7247 * Use attributes 'attr'. | |
7248 */ | |
7249 void | |
7250 screen_fill(start_row, end_row, start_col, end_col, c1, c2, attr) | |
7251 int start_row, end_row; | |
7252 int start_col, end_col; | |
7253 int c1, c2; | |
7254 int attr; | |
7255 { | |
7256 int row; | |
7257 int col; | |
7258 int off; | |
7259 int end_off; | |
7260 int did_delete; | |
7261 int c; | |
7262 int norm_term; | |
7263 #if defined(FEAT_GUI) || defined(UNIX) | |
7264 int force_next = FALSE; | |
7265 #endif | |
7266 | |
7267 if (end_row > screen_Rows) /* safety check */ | |
7268 end_row = screen_Rows; | |
7269 if (end_col > screen_Columns) /* safety check */ | |
7270 end_col = screen_Columns; | |
7271 if (ScreenLines == NULL | |
7272 || start_row >= end_row | |
7273 || start_col >= end_col) /* nothing to do */ | |
7274 return; | |
7275 | |
7276 /* it's a "normal" terminal when not in a GUI or cterm */ | |
7277 norm_term = ( | |
7278 #ifdef FEAT_GUI | |
7279 !gui.in_use && | |
7280 #endif | |
7281 t_colors <= 1); | |
7282 for (row = start_row; row < end_row; ++row) | |
7283 { | |
1668 | 7284 #ifdef FEAT_MBYTE |
7285 if (has_mbyte | |
7286 # ifdef FEAT_GUI | |
7287 && !gui.in_use | |
7288 # endif | |
7289 ) | |
7290 { | |
7291 /* When drawing over the right halve of a double-wide char clear | |
7292 * out the left halve. When drawing over the left halve of a | |
7293 * double wide-char clear out the right halve. Only needed in a | |
7294 * terminal. */ | |
1685 | 7295 if (start_col > 0 && mb_fix_col(start_col, row) != start_col) |
1670 | 7296 screen_puts_len((char_u *)" ", 1, row, start_col - 1, 0); |
1677 | 7297 if (end_col < screen_Columns && mb_fix_col(end_col, row) != end_col) |
1670 | 7298 screen_puts_len((char_u *)" ", 1, row, end_col, 0); |
1668 | 7299 } |
7300 #endif | |
7 | 7301 /* |
7302 * Try to use delete-line termcap code, when no attributes or in a | |
7303 * "normal" terminal, where a bold/italic space is just a | |
7304 * space. | |
7305 */ | |
7306 did_delete = FALSE; | |
7307 if (c2 == ' ' | |
7308 && end_col == Columns | |
7309 && can_clear(T_CE) | |
7310 && (attr == 0 | |
7311 || (norm_term | |
7312 && attr <= HL_ALL | |
7313 && ((attr & ~(HL_BOLD | HL_ITALIC)) == 0)))) | |
7314 { | |
7315 /* | |
7316 * check if we really need to clear something | |
7317 */ | |
7318 col = start_col; | |
7319 if (c1 != ' ') /* don't clear first char */ | |
7320 ++col; | |
7321 | |
7322 off = LineOffset[row] + col; | |
7323 end_off = LineOffset[row] + end_col; | |
7324 | |
7325 /* skip blanks (used often, keep it fast!) */ | |
7326 #ifdef FEAT_MBYTE | |
7327 if (enc_utf8) | |
7328 while (off < end_off && ScreenLines[off] == ' ' | |
7329 && ScreenAttrs[off] == 0 && ScreenLinesUC[off] == 0) | |
7330 ++off; | |
7331 else | |
7332 #endif | |
7333 while (off < end_off && ScreenLines[off] == ' ' | |
7334 && ScreenAttrs[off] == 0) | |
7335 ++off; | |
7336 if (off < end_off) /* something to be cleared */ | |
7337 { | |
7338 col = off - LineOffset[row]; | |
7339 screen_stop_highlight(); | |
7340 term_windgoto(row, col);/* clear rest of this screen line */ | |
7341 out_str(T_CE); | |
7342 screen_start(); /* don't know where cursor is now */ | |
7343 col = end_col - col; | |
7344 while (col--) /* clear chars in ScreenLines */ | |
7345 { | |
7346 ScreenLines[off] = ' '; | |
7347 #ifdef FEAT_MBYTE | |
7348 if (enc_utf8) | |
7349 ScreenLinesUC[off] = 0; | |
7350 #endif | |
7351 ScreenAttrs[off] = 0; | |
7352 ++off; | |
7353 } | |
7354 } | |
7355 did_delete = TRUE; /* the chars are cleared now */ | |
7356 } | |
7357 | |
7358 off = LineOffset[row] + start_col; | |
7359 c = c1; | |
7360 for (col = start_col; col < end_col; ++col) | |
7361 { | |
7362 if (ScreenLines[off] != c | |
7363 #ifdef FEAT_MBYTE | |
714 | 7364 || (enc_utf8 && (int)ScreenLinesUC[off] |
7365 != (c >= 0x80 ? c : 0)) | |
7 | 7366 #endif |
7367 || ScreenAttrs[off] != attr | |
7368 #if defined(FEAT_GUI) || defined(UNIX) | |
7369 || force_next | |
7370 #endif | |
7371 ) | |
7372 { | |
7373 #if defined(FEAT_GUI) || defined(UNIX) | |
7374 /* The bold trick may make a single row of pixels appear in | |
7375 * the next character. When a bold character is removed, the | |
7376 * next character should be redrawn too. This happens for our | |
7377 * own GUI and for some xterms. */ | |
7378 if ( | |
7379 # ifdef FEAT_GUI | |
7380 gui.in_use | |
7381 # endif | |
7382 # if defined(FEAT_GUI) && defined(UNIX) | |
7383 || | |
7384 # endif | |
7385 # ifdef UNIX | |
7386 term_is_xterm | |
7387 # endif | |
7388 ) | |
7389 { | |
7390 if (ScreenLines[off] != ' ' | |
7391 && (ScreenAttrs[off] > HL_ALL | |
7392 || ScreenAttrs[off] & HL_BOLD)) | |
7393 force_next = TRUE; | |
7394 else | |
7395 force_next = FALSE; | |
7396 } | |
7397 #endif | |
7398 ScreenLines[off] = c; | |
7399 #ifdef FEAT_MBYTE | |
7400 if (enc_utf8) | |
7401 { | |
7402 if (c >= 0x80) | |
7403 { | |
7404 ScreenLinesUC[off] = c; | |
714 | 7405 ScreenLinesC[0][off] = 0; |
7 | 7406 } |
7407 else | |
7408 ScreenLinesUC[off] = 0; | |
7409 } | |
7410 #endif | |
7411 ScreenAttrs[off] = attr; | |
7412 if (!did_delete || c != ' ') | |
7413 screen_char(off, row, col); | |
7414 } | |
7415 ++off; | |
7416 if (col == start_col) | |
7417 { | |
7418 if (did_delete) | |
7419 break; | |
7420 c = c2; | |
7421 } | |
7422 } | |
7423 if (end_col == Columns) | |
7424 LineWraps[row] = FALSE; | |
7425 if (row == Rows - 1) /* overwritten the command line */ | |
7426 { | |
7427 redraw_cmdline = TRUE; | |
7428 if (c1 == ' ' && c2 == ' ') | |
7429 clear_cmdline = FALSE; /* command line has been cleared */ | |
644 | 7430 if (start_col == 0) |
7431 mode_displayed = FALSE; /* mode cleared or overwritten */ | |
7 | 7432 } |
7433 } | |
7434 } | |
7435 | |
7436 /* | |
7437 * Check if there should be a delay. Used before clearing or redrawing the | |
7438 * screen or the command line. | |
7439 */ | |
7440 void | |
7441 check_for_delay(check_msg_scroll) | |
7442 int check_msg_scroll; | |
7443 { | |
7444 if ((emsg_on_display || (check_msg_scroll && msg_scroll)) | |
7445 && !did_wait_return | |
7446 && emsg_silent == 0) | |
7447 { | |
7448 out_flush(); | |
7449 ui_delay(1000L, TRUE); | |
7450 emsg_on_display = FALSE; | |
7451 if (check_msg_scroll) | |
7452 msg_scroll = FALSE; | |
7453 } | |
7454 } | |
7455 | |
7456 /* | |
7457 * screen_valid - allocate screen buffers if size changed | |
7458 * If "clear" is TRUE: clear screen if it has been resized. | |
7459 * Returns TRUE if there is a valid screen to write to. | |
7460 * Returns FALSE when starting up and screen not initialized yet. | |
7461 */ | |
7462 int | |
7463 screen_valid(clear) | |
7464 int clear; | |
7465 { | |
7466 screenalloc(clear); /* allocate screen buffers if size changed */ | |
7467 return (ScreenLines != NULL); | |
7468 } | |
7469 | |
7470 /* | |
7471 * Resize the shell to Rows and Columns. | |
7472 * Allocate ScreenLines[] and associated items. | |
7473 * | |
7474 * There may be some time between setting Rows and Columns and (re)allocating | |
7475 * ScreenLines[]. This happens when starting up and when (manually) changing | |
7476 * the shell size. Always use screen_Rows and screen_Columns to access items | |
7477 * in ScreenLines[]. Use Rows and Columns for positioning text etc. where the | |
7478 * final size of the shell is needed. | |
7479 */ | |
7480 void | |
7481 screenalloc(clear) | |
7482 int clear; | |
7483 { | |
7484 int new_row, old_row; | |
7485 #ifdef FEAT_GUI | |
7486 int old_Rows; | |
7487 #endif | |
7488 win_T *wp; | |
7489 int outofmem = FALSE; | |
7490 int len; | |
7491 schar_T *new_ScreenLines; | |
7492 #ifdef FEAT_MBYTE | |
7493 u8char_T *new_ScreenLinesUC = NULL; | |
714 | 7494 u8char_T *new_ScreenLinesC[MAX_MCO]; |
7 | 7495 schar_T *new_ScreenLines2 = NULL; |
714 | 7496 int i; |
7 | 7497 #endif |
7498 sattr_T *new_ScreenAttrs; | |
7499 unsigned *new_LineOffset; | |
7500 char_u *new_LineWraps; | |
671 | 7501 #ifdef FEAT_WINDOWS |
681 | 7502 short *new_TabPageIdxs; |
671 | 7503 tabpage_T *tp; |
7504 #endif | |
7 | 7505 static int entered = FALSE; /* avoid recursiveness */ |
944 | 7506 static int done_outofmem_msg = FALSE; /* did outofmem message */ |
1824 | 7507 #ifdef FEAT_AUTOCMD |
7508 int retry_count = 0; | |
7509 | |
7510 retry: | |
7511 #endif | |
7 | 7512 /* |
7513 * Allocation of the screen buffers is done only when the size changes and | |
7514 * when Rows and Columns have been set and we have started doing full | |
7515 * screen stuff. | |
7516 */ | |
7517 if ((ScreenLines != NULL | |
7518 && Rows == screen_Rows | |
7519 && Columns == screen_Columns | |
7520 #ifdef FEAT_MBYTE | |
7521 && enc_utf8 == (ScreenLinesUC != NULL) | |
7522 && (enc_dbcs == DBCS_JPNU) == (ScreenLines2 != NULL) | |
714 | 7523 && p_mco == Screen_mco |
7 | 7524 #endif |
7525 ) | |
7526 || Rows == 0 | |
7527 || Columns == 0 | |
7528 || (!full_screen && ScreenLines == NULL)) | |
7529 return; | |
7530 | |
7531 /* | |
7532 * It's possible that we produce an out-of-memory message below, which | |
7533 * will cause this function to be called again. To break the loop, just | |
7534 * return here. | |
7535 */ | |
7536 if (entered) | |
7537 return; | |
7538 entered = TRUE; | |
7539 | |
911 | 7540 /* |
7541 * Note that the window sizes are updated before reallocating the arrays, | |
7542 * thus we must not redraw here! | |
7543 */ | |
7544 ++RedrawingDisabled; | |
7545 | |
7 | 7546 win_new_shellsize(); /* fit the windows in the new sized shell */ |
7547 | |
7548 comp_col(); /* recompute columns for shown command and ruler */ | |
7549 | |
7550 /* | |
7551 * We're changing the size of the screen. | |
7552 * - Allocate new arrays for ScreenLines and ScreenAttrs. | |
7553 * - Move lines from the old arrays into the new arrays, clear extra | |
7554 * lines (unless the screen is going to be cleared). | |
7555 * - Free the old arrays. | |
7556 * | |
7557 * If anything fails, make ScreenLines NULL, so we don't do anything! | |
7558 * Continuing with the old ScreenLines may result in a crash, because the | |
7559 * size is wrong. | |
7560 */ | |
671 | 7561 FOR_ALL_TAB_WINDOWS(tp, wp) |
7 | 7562 win_free_lsize(wp); |
1946 | 7563 #ifdef FEAT_AUTOCMD |
7564 if (aucmd_win != NULL) | |
7565 win_free_lsize(aucmd_win); | |
7566 #endif | |
7 | 7567 |
7568 new_ScreenLines = (schar_T *)lalloc((long_u)( | |
7569 (Rows + 1) * Columns * sizeof(schar_T)), FALSE); | |
7570 #ifdef FEAT_MBYTE | |
2122
476336a5ae95
updated for version 7.2.404
Bram Moolenaar <bram@zimbu.org>
parents:
2069
diff
changeset
|
7571 vim_memset(new_ScreenLinesC, 0, sizeof(u8char_T *) * MAX_MCO); |
7 | 7572 if (enc_utf8) |
7573 { | |
7574 new_ScreenLinesUC = (u8char_T *)lalloc((long_u)( | |
7575 (Rows + 1) * Columns * sizeof(u8char_T)), FALSE); | |
714 | 7576 for (i = 0; i < p_mco; ++i) |
2124
dc8a5699253b
updated for version 7.2.406
Bram Moolenaar <bram@zimbu.org>
parents:
2122
diff
changeset
|
7577 new_ScreenLinesC[i] = (u8char_T *)lalloc_clear((long_u)( |
7 | 7578 (Rows + 1) * Columns * sizeof(u8char_T)), FALSE); |
7579 } | |
7580 if (enc_dbcs == DBCS_JPNU) | |
7581 new_ScreenLines2 = (schar_T *)lalloc((long_u)( | |
7582 (Rows + 1) * Columns * sizeof(schar_T)), FALSE); | |
7583 #endif | |
7584 new_ScreenAttrs = (sattr_T *)lalloc((long_u)( | |
7585 (Rows + 1) * Columns * sizeof(sattr_T)), FALSE); | |
7586 new_LineOffset = (unsigned *)lalloc((long_u)( | |
7587 Rows * sizeof(unsigned)), FALSE); | |
7588 new_LineWraps = (char_u *)lalloc((long_u)(Rows * sizeof(char_u)), FALSE); | |
671 | 7589 #ifdef FEAT_WINDOWS |
681 | 7590 new_TabPageIdxs = (short *)lalloc((long_u)(Columns * sizeof(short)), FALSE); |
671 | 7591 #endif |
7 | 7592 |
677 | 7593 FOR_ALL_TAB_WINDOWS(tp, wp) |
7 | 7594 { |
7595 if (win_alloc_lines(wp) == FAIL) | |
7596 { | |
7597 outofmem = TRUE; | |
7598 #ifdef FEAT_WINDOWS | |
1819 | 7599 goto give_up; |
7600 #endif | |
7601 } | |
7602 } | |
1906 | 7603 #ifdef FEAT_AUTOCMD |
1946 | 7604 if (aucmd_win != NULL && aucmd_win->w_lines == NULL |
7605 && win_alloc_lines(aucmd_win) == FAIL) | |
1906 | 7606 outofmem = TRUE; |
7607 #endif | |
1819 | 7608 #ifdef FEAT_WINDOWS |
7609 give_up: | |
7610 #endif | |
7 | 7611 |
714 | 7612 #ifdef FEAT_MBYTE |
7613 for (i = 0; i < p_mco; ++i) | |
7614 if (new_ScreenLinesC[i] == NULL) | |
7615 break; | |
7616 #endif | |
7 | 7617 if (new_ScreenLines == NULL |
7618 #ifdef FEAT_MBYTE | |
714 | 7619 || (enc_utf8 && (new_ScreenLinesUC == NULL || i != p_mco)) |
7 | 7620 || (enc_dbcs == DBCS_JPNU && new_ScreenLines2 == NULL) |
7621 #endif | |
7622 || new_ScreenAttrs == NULL | |
7623 || new_LineOffset == NULL | |
7624 || new_LineWraps == NULL | |
671 | 7625 #ifdef FEAT_WINDOWS |
7626 || new_TabPageIdxs == NULL | |
7627 #endif | |
7 | 7628 || outofmem) |
7629 { | |
944 | 7630 if (ScreenLines != NULL || !done_outofmem_msg) |
534 | 7631 { |
7632 /* guess the size */ | |
7633 do_outofmem_msg((long_u)((Rows + 1) * Columns)); | |
7634 | |
7635 /* Remember we did this to avoid getting outofmem messages over | |
7636 * and over again. */ | |
944 | 7637 done_outofmem_msg = TRUE; |
534 | 7638 } |
7 | 7639 vim_free(new_ScreenLines); |
7640 new_ScreenLines = NULL; | |
7641 #ifdef FEAT_MBYTE | |
7642 vim_free(new_ScreenLinesUC); | |
7643 new_ScreenLinesUC = NULL; | |
714 | 7644 for (i = 0; i < p_mco; ++i) |
7645 { | |
7646 vim_free(new_ScreenLinesC[i]); | |
7647 new_ScreenLinesC[i] = NULL; | |
7648 } | |
7 | 7649 vim_free(new_ScreenLines2); |
7650 new_ScreenLines2 = NULL; | |
7651 #endif | |
7652 vim_free(new_ScreenAttrs); | |
7653 new_ScreenAttrs = NULL; | |
7654 vim_free(new_LineOffset); | |
7655 new_LineOffset = NULL; | |
7656 vim_free(new_LineWraps); | |
7657 new_LineWraps = NULL; | |
671 | 7658 #ifdef FEAT_WINDOWS |
7659 vim_free(new_TabPageIdxs); | |
7660 new_TabPageIdxs = NULL; | |
7661 #endif | |
7 | 7662 } |
7663 else | |
7664 { | |
944 | 7665 done_outofmem_msg = FALSE; |
534 | 7666 |
7 | 7667 for (new_row = 0; new_row < Rows; ++new_row) |
7668 { | |
7669 new_LineOffset[new_row] = new_row * Columns; | |
7670 new_LineWraps[new_row] = FALSE; | |
7671 | |
7672 /* | |
7673 * If the screen is not going to be cleared, copy as much as | |
7674 * possible from the old screen to the new one and clear the rest | |
7675 * (used when resizing the window at the "--more--" prompt or when | |
7676 * executing an external command, for the GUI). | |
7677 */ | |
7678 if (!clear) | |
7679 { | |
7680 (void)vim_memset(new_ScreenLines + new_row * Columns, | |
7681 ' ', (size_t)Columns * sizeof(schar_T)); | |
7682 #ifdef FEAT_MBYTE | |
7683 if (enc_utf8) | |
7684 { | |
7685 (void)vim_memset(new_ScreenLinesUC + new_row * Columns, | |
7686 0, (size_t)Columns * sizeof(u8char_T)); | |
714 | 7687 for (i = 0; i < p_mco; ++i) |
7688 (void)vim_memset(new_ScreenLinesC[i] | |
7689 + new_row * Columns, | |
7 | 7690 0, (size_t)Columns * sizeof(u8char_T)); |
7691 } | |
7692 if (enc_dbcs == DBCS_JPNU) | |
7693 (void)vim_memset(new_ScreenLines2 + new_row * Columns, | |
7694 0, (size_t)Columns * sizeof(schar_T)); | |
7695 #endif | |
7696 (void)vim_memset(new_ScreenAttrs + new_row * Columns, | |
7697 0, (size_t)Columns * sizeof(sattr_T)); | |
7698 old_row = new_row + (screen_Rows - Rows); | |
534 | 7699 if (old_row >= 0 && ScreenLines != NULL) |
7 | 7700 { |
7701 if (screen_Columns < Columns) | |
7702 len = screen_Columns; | |
7703 else | |
7704 len = Columns; | |
26 | 7705 #ifdef FEAT_MBYTE |
571 | 7706 /* When switching to utf-8 don't copy characters, they |
714 | 7707 * may be invalid now. Also when p_mco changes. */ |
7708 if (!(enc_utf8 && ScreenLinesUC == NULL) | |
7709 && p_mco == Screen_mco) | |
26 | 7710 #endif |
7711 mch_memmove(new_ScreenLines + new_LineOffset[new_row], | |
7712 ScreenLines + LineOffset[old_row], | |
7713 (size_t)len * sizeof(schar_T)); | |
7 | 7714 #ifdef FEAT_MBYTE |
714 | 7715 if (enc_utf8 && ScreenLinesUC != NULL |
7716 && p_mco == Screen_mco) | |
7 | 7717 { |
7718 mch_memmove(new_ScreenLinesUC + new_LineOffset[new_row], | |
7719 ScreenLinesUC + LineOffset[old_row], | |
7720 (size_t)len * sizeof(u8char_T)); | |
714 | 7721 for (i = 0; i < p_mco; ++i) |
7722 mch_memmove(new_ScreenLinesC[i] | |
7723 + new_LineOffset[new_row], | |
7724 ScreenLinesC[i] + LineOffset[old_row], | |
7 | 7725 (size_t)len * sizeof(u8char_T)); |
7726 } | |
7727 if (enc_dbcs == DBCS_JPNU && ScreenLines2 != NULL) | |
7728 mch_memmove(new_ScreenLines2 + new_LineOffset[new_row], | |
7729 ScreenLines2 + LineOffset[old_row], | |
7730 (size_t)len * sizeof(schar_T)); | |
7731 #endif | |
7732 mch_memmove(new_ScreenAttrs + new_LineOffset[new_row], | |
7733 ScreenAttrs + LineOffset[old_row], | |
7734 (size_t)len * sizeof(sattr_T)); | |
7735 } | |
7736 } | |
7737 } | |
7738 /* Use the last line of the screen for the current line. */ | |
7739 current_ScreenLine = new_ScreenLines + Rows * Columns; | |
7740 } | |
7741 | |
356 | 7742 free_screenlines(); |
7743 | |
7 | 7744 ScreenLines = new_ScreenLines; |
7745 #ifdef FEAT_MBYTE | |
7746 ScreenLinesUC = new_ScreenLinesUC; | |
714 | 7747 for (i = 0; i < p_mco; ++i) |
7748 ScreenLinesC[i] = new_ScreenLinesC[i]; | |
7749 Screen_mco = p_mco; | |
7 | 7750 ScreenLines2 = new_ScreenLines2; |
7751 #endif | |
7752 ScreenAttrs = new_ScreenAttrs; | |
7753 LineOffset = new_LineOffset; | |
7754 LineWraps = new_LineWraps; | |
671 | 7755 #ifdef FEAT_WINDOWS |
7756 TabPageIdxs = new_TabPageIdxs; | |
7757 #endif | |
7 | 7758 |
7759 /* It's important that screen_Rows and screen_Columns reflect the actual | |
7760 * size of ScreenLines[]. Set them before calling anything. */ | |
7761 #ifdef FEAT_GUI | |
7762 old_Rows = screen_Rows; | |
7763 #endif | |
7764 screen_Rows = Rows; | |
7765 screen_Columns = Columns; | |
7766 | |
7767 must_redraw = CLEAR; /* need to clear the screen later */ | |
7768 if (clear) | |
7769 screenclear2(); | |
7770 | |
7771 #ifdef FEAT_GUI | |
7772 else if (gui.in_use | |
7773 && !gui.starting | |
7774 && ScreenLines != NULL | |
7775 && old_Rows != Rows) | |
7776 { | |
7777 (void)gui_redraw_block(0, 0, (int)Rows - 1, (int)Columns - 1, 0); | |
7778 /* | |
7779 * Adjust the position of the cursor, for when executing an external | |
7780 * command. | |
7781 */ | |
7782 if (msg_row >= Rows) /* Rows got smaller */ | |
7783 msg_row = Rows - 1; /* put cursor at last row */ | |
7784 else if (Rows > old_Rows) /* Rows got bigger */ | |
7785 msg_row += Rows - old_Rows; /* put cursor in same place */ | |
7786 if (msg_col >= Columns) /* Columns got smaller */ | |
7787 msg_col = Columns - 1; /* put cursor at last column */ | |
7788 } | |
7789 #endif | |
7790 | |
7791 entered = FALSE; | |
911 | 7792 --RedrawingDisabled; |
766 | 7793 |
7794 #ifdef FEAT_AUTOCMD | |
1824 | 7795 /* |
7796 * Do not apply autocommands more than 3 times to avoid an endless loop | |
7797 * in case applying autocommands always changes Rows or Columns. | |
7798 */ | |
7799 if (starting == 0 && ++retry_count <= 3) | |
7800 { | |
766 | 7801 apply_autocmds(EVENT_VIMRESIZED, NULL, NULL, FALSE, curbuf); |
1824 | 7802 /* In rare cases, autocommands may have altered Rows or Columns, |
7803 * jump back to check if we need to allocate the screen again. */ | |
7804 goto retry; | |
7805 } | |
766 | 7806 #endif |
7 | 7807 } |
7808 | |
7809 void | |
356 | 7810 free_screenlines() |
7811 { | |
7812 #ifdef FEAT_MBYTE | |
714 | 7813 int i; |
7814 | |
356 | 7815 vim_free(ScreenLinesUC); |
714 | 7816 for (i = 0; i < Screen_mco; ++i) |
7817 vim_free(ScreenLinesC[i]); | |
356 | 7818 vim_free(ScreenLines2); |
7819 #endif | |
714 | 7820 vim_free(ScreenLines); |
356 | 7821 vim_free(ScreenAttrs); |
7822 vim_free(LineOffset); | |
7823 vim_free(LineWraps); | |
671 | 7824 #ifdef FEAT_WINDOWS |
7825 vim_free(TabPageIdxs); | |
7826 #endif | |
356 | 7827 } |
7828 | |
7829 void | |
7 | 7830 screenclear() |
7831 { | |
7832 check_for_delay(FALSE); | |
7833 screenalloc(FALSE); /* allocate screen buffers if size changed */ | |
7834 screenclear2(); /* clear the screen */ | |
7835 } | |
7836 | |
7837 static void | |
7838 screenclear2() | |
7839 { | |
7840 int i; | |
7841 | |
7842 if (starting == NO_SCREEN || ScreenLines == NULL | |
7843 #ifdef FEAT_GUI | |
7844 || (gui.in_use && gui.starting) | |
7845 #endif | |
7846 ) | |
7847 return; | |
7848 | |
7849 #ifdef FEAT_GUI | |
7850 if (!gui.in_use) | |
7851 #endif | |
7852 screen_attr = -1; /* force setting the Normal colors */ | |
7853 screen_stop_highlight(); /* don't want highlighting here */ | |
7854 | |
7855 #ifdef FEAT_CLIPBOARD | |
7856 /* disable selection without redrawing it */ | |
7857 clip_scroll_selection(9999); | |
7858 #endif | |
7859 | |
7860 /* blank out ScreenLines */ | |
7861 for (i = 0; i < Rows; ++i) | |
7862 { | |
7863 lineclear(LineOffset[i], (int)Columns); | |
7864 LineWraps[i] = FALSE; | |
7865 } | |
7866 | |
7867 if (can_clear(T_CL)) | |
7868 { | |
7869 out_str(T_CL); /* clear the display */ | |
7870 clear_cmdline = FALSE; | |
644 | 7871 mode_displayed = FALSE; |
7 | 7872 } |
7873 else | |
7874 { | |
7875 /* can't clear the screen, mark all chars with invalid attributes */ | |
7876 for (i = 0; i < Rows; ++i) | |
7877 lineinvalid(LineOffset[i], (int)Columns); | |
7878 clear_cmdline = TRUE; | |
7879 } | |
7880 | |
7881 screen_cleared = TRUE; /* can use contents of ScreenLines now */ | |
7882 | |
7883 win_rest_invalid(firstwin); | |
7884 redraw_cmdline = TRUE; | |
670 | 7885 #ifdef FEAT_WINDOWS |
673 | 7886 redraw_tabline = TRUE; |
670 | 7887 #endif |
7 | 7888 if (must_redraw == CLEAR) /* no need to clear again */ |
7889 must_redraw = NOT_VALID; | |
7890 compute_cmdrow(); | |
7891 msg_row = cmdline_row; /* put cursor on last line for messages */ | |
7892 msg_col = 0; | |
7893 screen_start(); /* don't know where cursor is now */ | |
7894 msg_scrolled = 0; /* can't scroll back */ | |
7895 msg_didany = FALSE; | |
7896 msg_didout = FALSE; | |
7897 } | |
7898 | |
7899 /* | |
7900 * Clear one line in ScreenLines. | |
7901 */ | |
7902 static void | |
7903 lineclear(off, width) | |
7904 unsigned off; | |
7905 int width; | |
7906 { | |
7907 (void)vim_memset(ScreenLines + off, ' ', (size_t)width * sizeof(schar_T)); | |
7908 #ifdef FEAT_MBYTE | |
7909 if (enc_utf8) | |
7910 (void)vim_memset(ScreenLinesUC + off, 0, | |
7911 (size_t)width * sizeof(u8char_T)); | |
7912 #endif | |
7913 (void)vim_memset(ScreenAttrs + off, 0, (size_t)width * sizeof(sattr_T)); | |
7914 } | |
7915 | |
7916 /* | |
7917 * Mark one line in ScreenLines invalid by setting the attributes to an | |
7918 * invalid value. | |
7919 */ | |
7920 static void | |
7921 lineinvalid(off, width) | |
7922 unsigned off; | |
7923 int width; | |
7924 { | |
7925 (void)vim_memset(ScreenAttrs + off, -1, (size_t)width * sizeof(sattr_T)); | |
7926 } | |
7927 | |
7928 #ifdef FEAT_VERTSPLIT | |
7929 /* | |
7930 * Copy part of a Screenline for vertically split window "wp". | |
7931 */ | |
7932 static void | |
7933 linecopy(to, from, wp) | |
7934 int to; | |
7935 int from; | |
7936 win_T *wp; | |
7937 { | |
7938 unsigned off_to = LineOffset[to] + wp->w_wincol; | |
7939 unsigned off_from = LineOffset[from] + wp->w_wincol; | |
7940 | |
7941 mch_memmove(ScreenLines + off_to, ScreenLines + off_from, | |
7942 wp->w_width * sizeof(schar_T)); | |
7943 # ifdef FEAT_MBYTE | |
7944 if (enc_utf8) | |
7945 { | |
714 | 7946 int i; |
7947 | |
7 | 7948 mch_memmove(ScreenLinesUC + off_to, ScreenLinesUC + off_from, |
7949 wp->w_width * sizeof(u8char_T)); | |
714 | 7950 for (i = 0; i < p_mco; ++i) |
7951 mch_memmove(ScreenLinesC[i] + off_to, ScreenLinesC[i] + off_from, | |
7952 wp->w_width * sizeof(u8char_T)); | |
7 | 7953 } |
7954 if (enc_dbcs == DBCS_JPNU) | |
7955 mch_memmove(ScreenLines2 + off_to, ScreenLines2 + off_from, | |
7956 wp->w_width * sizeof(schar_T)); | |
7957 # endif | |
7958 mch_memmove(ScreenAttrs + off_to, ScreenAttrs + off_from, | |
7959 wp->w_width * sizeof(sattr_T)); | |
7960 } | |
7961 #endif | |
7962 | |
7963 /* | |
7964 * Return TRUE if clearing with term string "p" would work. | |
7965 * It can't work when the string is empty or it won't set the right background. | |
7966 */ | |
7967 int | |
7968 can_clear(p) | |
7969 char_u *p; | |
7970 { | |
7971 return (*p != NUL && (t_colors <= 1 | |
7972 #ifdef FEAT_GUI | |
7973 || gui.in_use | |
7974 #endif | |
7975 || cterm_normal_bg_color == 0 || *T_UT != NUL)); | |
7976 } | |
7977 | |
7978 /* | |
7979 * Reset cursor position. Use whenever cursor was moved because of outputting | |
7980 * something directly to the screen (shell commands) or a terminal control | |
7981 * code. | |
7982 */ | |
7983 void | |
7984 screen_start() | |
7985 { | |
7986 screen_cur_row = screen_cur_col = 9999; | |
7987 } | |
7988 | |
7989 /* | |
7990 * Move the cursor to position "row","col" in the screen. | |
7991 * This tries to find the most efficient way to move, minimizing the number of | |
7992 * characters sent to the terminal. | |
7993 */ | |
7994 void | |
7995 windgoto(row, col) | |
7996 int row; | |
7997 int col; | |
7998 { | |
205 | 7999 sattr_T *p; |
7 | 8000 int i; |
8001 int plan; | |
8002 int cost; | |
8003 int wouldbe_col; | |
8004 int noinvcurs; | |
8005 char_u *bs; | |
8006 int goto_cost; | |
8007 int attr; | |
8008 | |
1213 | 8009 #define GOTO_COST 7 /* assume a term_windgoto() takes about 7 chars */ |
7 | 8010 #define HIGHL_COST 5 /* assume unhighlight takes 5 chars */ |
8011 | |
8012 #define PLAN_LE 1 | |
8013 #define PLAN_CR 2 | |
8014 #define PLAN_NL 3 | |
8015 #define PLAN_WRITE 4 | |
8016 /* Can't use ScreenLines unless initialized */ | |
8017 if (ScreenLines == NULL) | |
8018 return; | |
8019 | |
8020 if (col != screen_cur_col || row != screen_cur_row) | |
8021 { | |
8022 /* Check for valid position. */ | |
8023 if (row < 0) /* window without text lines? */ | |
8024 row = 0; | |
8025 if (row >= screen_Rows) | |
8026 row = screen_Rows - 1; | |
8027 if (col >= screen_Columns) | |
8028 col = screen_Columns - 1; | |
8029 | |
8030 /* check if no cursor movement is allowed in highlight mode */ | |
8031 if (screen_attr && *T_MS == NUL) | |
8032 noinvcurs = HIGHL_COST; | |
8033 else | |
8034 noinvcurs = 0; | |
8035 goto_cost = GOTO_COST + noinvcurs; | |
8036 | |
8037 /* | |
8038 * Plan how to do the positioning: | |
8039 * 1. Use CR to move it to column 0, same row. | |
8040 * 2. Use T_LE to move it a few columns to the left. | |
8041 * 3. Use NL to move a few lines down, column 0. | |
8042 * 4. Move a few columns to the right with T_ND or by writing chars. | |
8043 * | |
8044 * Don't do this if the cursor went beyond the last column, the cursor | |
8045 * position is unknown then (some terminals wrap, some don't ) | |
8046 * | |
1213 | 8047 * First check if the highlighting attributes allow us to write |
7 | 8048 * characters to move the cursor to the right. |
8049 */ | |
8050 if (row >= screen_cur_row && screen_cur_col < Columns) | |
8051 { | |
8052 /* | |
8053 * If the cursor is in the same row, bigger col, we can use CR | |
8054 * or T_LE. | |
8055 */ | |
8056 bs = NULL; /* init for GCC */ | |
8057 attr = screen_attr; | |
8058 if (row == screen_cur_row && col < screen_cur_col) | |
8059 { | |
8060 /* "le" is preferred over "bc", because "bc" is obsolete */ | |
8061 if (*T_LE) | |
8062 bs = T_LE; /* "cursor left" */ | |
8063 else | |
8064 bs = T_BC; /* "backspace character (old) */ | |
8065 if (*bs) | |
8066 cost = (screen_cur_col - col) * (int)STRLEN(bs); | |
8067 else | |
8068 cost = 999; | |
8069 if (col + 1 < cost) /* using CR is less characters */ | |
8070 { | |
8071 plan = PLAN_CR; | |
8072 wouldbe_col = 0; | |
8073 cost = 1; /* CR is just one character */ | |
8074 } | |
8075 else | |
8076 { | |
8077 plan = PLAN_LE; | |
8078 wouldbe_col = col; | |
8079 } | |
8080 if (noinvcurs) /* will stop highlighting */ | |
8081 { | |
8082 cost += noinvcurs; | |
8083 attr = 0; | |
8084 } | |
8085 } | |
8086 | |
8087 /* | |
8088 * If the cursor is above where we want to be, we can use CR LF. | |
8089 */ | |
8090 else if (row > screen_cur_row) | |
8091 { | |
8092 plan = PLAN_NL; | |
8093 wouldbe_col = 0; | |
8094 cost = (row - screen_cur_row) * 2; /* CR LF */ | |
8095 if (noinvcurs) /* will stop highlighting */ | |
8096 { | |
8097 cost += noinvcurs; | |
8098 attr = 0; | |
8099 } | |
8100 } | |
8101 | |
8102 /* | |
8103 * If the cursor is in the same row, smaller col, just use write. | |
8104 */ | |
8105 else | |
8106 { | |
8107 plan = PLAN_WRITE; | |
8108 wouldbe_col = screen_cur_col; | |
8109 cost = 0; | |
8110 } | |
8111 | |
8112 /* | |
8113 * Check if any characters that need to be written have the | |
8114 * correct attributes. Also avoid UTF-8 characters. | |
8115 */ | |
8116 i = col - wouldbe_col; | |
8117 if (i > 0) | |
8118 cost += i; | |
8119 if (cost < goto_cost && i > 0) | |
8120 { | |
8121 /* | |
8122 * Check if the attributes are correct without additionally | |
8123 * stopping highlighting. | |
8124 */ | |
8125 p = ScreenAttrs + LineOffset[row] + wouldbe_col; | |
8126 while (i && *p++ == attr) | |
8127 --i; | |
8128 if (i != 0) | |
8129 { | |
8130 /* | |
8131 * Try if it works when highlighting is stopped here. | |
8132 */ | |
8133 if (*--p == 0) | |
8134 { | |
8135 cost += noinvcurs; | |
8136 while (i && *p++ == 0) | |
8137 --i; | |
8138 } | |
8139 if (i != 0) | |
8140 cost = 999; /* different attributes, don't do it */ | |
8141 } | |
8142 #ifdef FEAT_MBYTE | |
8143 if (enc_utf8) | |
8144 { | |
8145 /* Don't use an UTF-8 char for positioning, it's slow. */ | |
8146 for (i = wouldbe_col; i < col; ++i) | |
8147 if (ScreenLinesUC[LineOffset[row] + i] != 0) | |
8148 { | |
8149 cost = 999; | |
8150 break; | |
8151 } | |
8152 } | |
8153 #endif | |
8154 } | |
8155 | |
8156 /* | |
8157 * We can do it without term_windgoto()! | |
8158 */ | |
8159 if (cost < goto_cost) | |
8160 { | |
8161 if (plan == PLAN_LE) | |
8162 { | |
8163 if (noinvcurs) | |
8164 screen_stop_highlight(); | |
8165 while (screen_cur_col > col) | |
8166 { | |
8167 out_str(bs); | |
8168 --screen_cur_col; | |
8169 } | |
8170 } | |
8171 else if (plan == PLAN_CR) | |
8172 { | |
8173 if (noinvcurs) | |
8174 screen_stop_highlight(); | |
8175 out_char('\r'); | |
8176 screen_cur_col = 0; | |
8177 } | |
8178 else if (plan == PLAN_NL) | |
8179 { | |
8180 if (noinvcurs) | |
8181 screen_stop_highlight(); | |
8182 while (screen_cur_row < row) | |
8183 { | |
8184 out_char('\n'); | |
8185 ++screen_cur_row; | |
8186 } | |
8187 screen_cur_col = 0; | |
8188 } | |
8189 | |
8190 i = col - screen_cur_col; | |
8191 if (i > 0) | |
8192 { | |
8193 /* | |
8194 * Use cursor-right if it's one character only. Avoids | |
8195 * removing a line of pixels from the last bold char, when | |
8196 * using the bold trick in the GUI. | |
8197 */ | |
8198 if (T_ND[0] != NUL && T_ND[1] == NUL) | |
8199 { | |
8200 while (i-- > 0) | |
8201 out_char(*T_ND); | |
8202 } | |
8203 else | |
8204 { | |
8205 int off; | |
8206 | |
8207 off = LineOffset[row] + screen_cur_col; | |
8208 while (i-- > 0) | |
8209 { | |
8210 if (ScreenAttrs[off] != screen_attr) | |
8211 screen_stop_highlight(); | |
8212 #ifdef FEAT_MBYTE | |
8213 out_flush_check(); | |
8214 #endif | |
8215 out_char(ScreenLines[off]); | |
8216 #ifdef FEAT_MBYTE | |
8217 if (enc_dbcs == DBCS_JPNU | |
8218 && ScreenLines[off] == 0x8e) | |
8219 out_char(ScreenLines2[off]); | |
8220 #endif | |
8221 ++off; | |
8222 } | |
8223 } | |
8224 } | |
8225 } | |
8226 } | |
8227 else | |
8228 cost = 999; | |
8229 | |
8230 if (cost >= goto_cost) | |
8231 { | |
8232 if (noinvcurs) | |
8233 screen_stop_highlight(); | |
8234 if (row == screen_cur_row && (col > screen_cur_col) && | |
8235 *T_CRI != NUL) | |
8236 term_cursor_right(col - screen_cur_col); | |
8237 else | |
8238 term_windgoto(row, col); | |
8239 } | |
8240 screen_cur_row = row; | |
8241 screen_cur_col = col; | |
8242 } | |
8243 } | |
8244 | |
8245 /* | |
8246 * Set cursor to its position in the current window. | |
8247 */ | |
8248 void | |
8249 setcursor() | |
8250 { | |
8251 if (redrawing()) | |
8252 { | |
8253 validate_cursor(); | |
8254 windgoto(W_WINROW(curwin) + curwin->w_wrow, | |
8255 W_WINCOL(curwin) + ( | |
8256 #ifdef FEAT_RIGHTLEFT | |
1545 | 8257 /* With 'rightleft' set and the cursor on a double-wide |
8258 * character, position it on the leftmost column. */ | |
7 | 8259 curwin->w_p_rl ? ((int)W_WIDTH(curwin) - curwin->w_wcol - ( |
8260 # ifdef FEAT_MBYTE | |
1545 | 8261 (has_mbyte |
8262 && (*mb_ptr2cells)(ml_get_cursor()) == 2 | |
8263 && vim_isprintc(gchar_cursor())) ? 2 : | |
7 | 8264 # endif |
8265 1)) : | |
8266 #endif | |
8267 curwin->w_wcol)); | |
8268 } | |
8269 } | |
8270 | |
8271 | |
8272 /* | |
8273 * insert 'line_count' lines at 'row' in window 'wp' | |
8274 * if 'invalid' is TRUE the wp->w_lines[].wl_lnum is invalidated. | |
8275 * if 'mayclear' is TRUE the screen will be cleared if it is faster than | |
8276 * scrolling. | |
8277 * Returns FAIL if the lines are not inserted, OK for success. | |
8278 */ | |
8279 int | |
8280 win_ins_lines(wp, row, line_count, invalid, mayclear) | |
8281 win_T *wp; | |
8282 int row; | |
8283 int line_count; | |
8284 int invalid; | |
8285 int mayclear; | |
8286 { | |
8287 int did_delete; | |
8288 int nextrow; | |
8289 int lastrow; | |
8290 int retval; | |
8291 | |
8292 if (invalid) | |
8293 wp->w_lines_valid = 0; | |
8294 | |
8295 if (wp->w_height < 5) | |
8296 return FAIL; | |
8297 | |
8298 if (line_count > wp->w_height - row) | |
8299 line_count = wp->w_height - row; | |
8300 | |
8301 retval = win_do_lines(wp, row, line_count, mayclear, FALSE); | |
8302 if (retval != MAYBE) | |
8303 return retval; | |
8304 | |
8305 /* | |
8306 * If there is a next window or a status line, we first try to delete the | |
8307 * lines at the bottom to avoid messing what is after the window. | |
8308 * If this fails and there are following windows, don't do anything to avoid | |
8309 * messing up those windows, better just redraw. | |
8310 */ | |
8311 did_delete = FALSE; | |
8312 #ifdef FEAT_WINDOWS | |
8313 if (wp->w_next != NULL || wp->w_status_height) | |
8314 { | |
8315 if (screen_del_lines(0, W_WINROW(wp) + wp->w_height - line_count, | |
8316 line_count, (int)Rows, FALSE, NULL) == OK) | |
8317 did_delete = TRUE; | |
8318 else if (wp->w_next) | |
8319 return FAIL; | |
8320 } | |
8321 #endif | |
8322 /* | |
8323 * if no lines deleted, blank the lines that will end up below the window | |
8324 */ | |
8325 if (!did_delete) | |
8326 { | |
8327 #ifdef FEAT_WINDOWS | |
8328 wp->w_redr_status = TRUE; | |
8329 #endif | |
8330 redraw_cmdline = TRUE; | |
8331 nextrow = W_WINROW(wp) + wp->w_height + W_STATUS_HEIGHT(wp); | |
8332 lastrow = nextrow + line_count; | |
8333 if (lastrow > Rows) | |
8334 lastrow = Rows; | |
8335 screen_fill(nextrow - line_count, lastrow - line_count, | |
8336 W_WINCOL(wp), (int)W_ENDCOL(wp), | |
8337 ' ', ' ', 0); | |
8338 } | |
8339 | |
8340 if (screen_ins_lines(0, W_WINROW(wp) + row, line_count, (int)Rows, NULL) | |
8341 == FAIL) | |
8342 { | |
8343 /* deletion will have messed up other windows */ | |
8344 if (did_delete) | |
8345 { | |
8346 #ifdef FEAT_WINDOWS | |
8347 wp->w_redr_status = TRUE; | |
8348 #endif | |
8349 win_rest_invalid(W_NEXT(wp)); | |
8350 } | |
8351 return FAIL; | |
8352 } | |
8353 | |
8354 return OK; | |
8355 } | |
8356 | |
8357 /* | |
8358 * delete "line_count" window lines at "row" in window "wp" | |
8359 * If "invalid" is TRUE curwin->w_lines[] is invalidated. | |
8360 * If "mayclear" is TRUE the screen will be cleared if it is faster than | |
8361 * scrolling | |
8362 * Return OK for success, FAIL if the lines are not deleted. | |
8363 */ | |
8364 int | |
8365 win_del_lines(wp, row, line_count, invalid, mayclear) | |
8366 win_T *wp; | |
8367 int row; | |
8368 int line_count; | |
8369 int invalid; | |
8370 int mayclear; | |
8371 { | |
8372 int retval; | |
8373 | |
8374 if (invalid) | |
8375 wp->w_lines_valid = 0; | |
8376 | |
8377 if (line_count > wp->w_height - row) | |
8378 line_count = wp->w_height - row; | |
8379 | |
8380 retval = win_do_lines(wp, row, line_count, mayclear, TRUE); | |
8381 if (retval != MAYBE) | |
8382 return retval; | |
8383 | |
8384 if (screen_del_lines(0, W_WINROW(wp) + row, line_count, | |
8385 (int)Rows, FALSE, NULL) == FAIL) | |
8386 return FAIL; | |
8387 | |
8388 #ifdef FEAT_WINDOWS | |
8389 /* | |
8390 * If there are windows or status lines below, try to put them at the | |
8391 * correct place. If we can't do that, they have to be redrawn. | |
8392 */ | |
8393 if (wp->w_next || wp->w_status_height || cmdline_row < Rows - 1) | |
8394 { | |
8395 if (screen_ins_lines(0, W_WINROW(wp) + wp->w_height - line_count, | |
8396 line_count, (int)Rows, NULL) == FAIL) | |
8397 { | |
8398 wp->w_redr_status = TRUE; | |
8399 win_rest_invalid(wp->w_next); | |
8400 } | |
8401 } | |
8402 /* | |
8403 * If this is the last window and there is no status line, redraw the | |
8404 * command line later. | |
8405 */ | |
8406 else | |
8407 #endif | |
8408 redraw_cmdline = TRUE; | |
8409 return OK; | |
8410 } | |
8411 | |
8412 /* | |
8413 * Common code for win_ins_lines() and win_del_lines(). | |
8414 * Returns OK or FAIL when the work has been done. | |
8415 * Returns MAYBE when not finished yet. | |
8416 */ | |
8417 static int | |
8418 win_do_lines(wp, row, line_count, mayclear, del) | |
8419 win_T *wp; | |
8420 int row; | |
8421 int line_count; | |
8422 int mayclear; | |
8423 int del; | |
8424 { | |
8425 int retval; | |
8426 | |
8427 if (!redrawing() || line_count <= 0) | |
8428 return FAIL; | |
8429 | |
8430 /* only a few lines left: redraw is faster */ | |
8431 if (mayclear && Rows - line_count < 5 | |
8432 #ifdef FEAT_VERTSPLIT | |
8433 && wp->w_width == Columns | |
8434 #endif | |
8435 ) | |
8436 { | |
8437 screenclear(); /* will set wp->w_lines_valid to 0 */ | |
8438 return FAIL; | |
8439 } | |
8440 | |
8441 /* | |
8442 * Delete all remaining lines | |
8443 */ | |
8444 if (row + line_count >= wp->w_height) | |
8445 { | |
8446 screen_fill(W_WINROW(wp) + row, W_WINROW(wp) + wp->w_height, | |
8447 W_WINCOL(wp), (int)W_ENDCOL(wp), | |
8448 ' ', ' ', 0); | |
8449 return OK; | |
8450 } | |
8451 | |
8452 /* | |
8453 * when scrolling, the message on the command line should be cleared, | |
8454 * otherwise it will stay there forever. | |
8455 */ | |
8456 clear_cmdline = TRUE; | |
8457 | |
8458 /* | |
8459 * If the terminal can set a scroll region, use that. | |
8460 * Always do this in a vertically split window. This will redraw from | |
8461 * ScreenLines[] when t_CV isn't defined. That's faster than using | |
8462 * win_line(). | |
8463 * Don't use a scroll region when we are going to redraw the text, writing | |
8464 * a character in the lower right corner of the scroll region causes a | |
8465 * scroll-up in the DJGPP version. | |
8466 */ | |
8467 if (scroll_region | |
8468 #ifdef FEAT_VERTSPLIT | |
8469 || W_WIDTH(wp) != Columns | |
8470 #endif | |
8471 ) | |
8472 { | |
8473 #ifdef FEAT_VERTSPLIT | |
8474 if (scroll_region && (wp->w_width == Columns || *T_CSV != NUL)) | |
8475 #endif | |
8476 scroll_region_set(wp, row); | |
8477 if (del) | |
8478 retval = screen_del_lines(W_WINROW(wp) + row, 0, line_count, | |
8479 wp->w_height - row, FALSE, wp); | |
8480 else | |
8481 retval = screen_ins_lines(W_WINROW(wp) + row, 0, line_count, | |
8482 wp->w_height - row, wp); | |
8483 #ifdef FEAT_VERTSPLIT | |
8484 if (scroll_region && (wp->w_width == Columns || *T_CSV != NUL)) | |
8485 #endif | |
8486 scroll_region_reset(); | |
8487 return retval; | |
8488 } | |
8489 | |
8490 #ifdef FEAT_WINDOWS | |
8491 if (wp->w_next != NULL && p_tf) /* don't delete/insert on fast terminal */ | |
8492 return FAIL; | |
8493 #endif | |
8494 | |
8495 return MAYBE; | |
8496 } | |
8497 | |
8498 /* | |
8499 * window 'wp' and everything after it is messed up, mark it for redraw | |
8500 */ | |
8501 static void | |
8502 win_rest_invalid(wp) | |
8503 win_T *wp; | |
8504 { | |
8505 #ifdef FEAT_WINDOWS | |
8506 while (wp != NULL) | |
8507 #else | |
8508 if (wp != NULL) | |
8509 #endif | |
8510 { | |
8511 redraw_win_later(wp, NOT_VALID); | |
8512 #ifdef FEAT_WINDOWS | |
8513 wp->w_redr_status = TRUE; | |
8514 wp = wp->w_next; | |
8515 #endif | |
8516 } | |
8517 redraw_cmdline = TRUE; | |
8518 } | |
8519 | |
8520 /* | |
8521 * The rest of the routines in this file perform screen manipulations. The | |
8522 * given operation is performed physically on the screen. The corresponding | |
8523 * change is also made to the internal screen image. In this way, the editor | |
8524 * anticipates the effect of editing changes on the appearance of the screen. | |
8525 * That way, when we call screenupdate a complete redraw isn't usually | |
8526 * necessary. Another advantage is that we can keep adding code to anticipate | |
8527 * screen changes, and in the meantime, everything still works. | |
8528 */ | |
8529 | |
8530 /* | |
8531 * types for inserting or deleting lines | |
8532 */ | |
8533 #define USE_T_CAL 1 | |
8534 #define USE_T_CDL 2 | |
8535 #define USE_T_AL 3 | |
8536 #define USE_T_CE 4 | |
8537 #define USE_T_DL 5 | |
8538 #define USE_T_SR 6 | |
8539 #define USE_NL 7 | |
8540 #define USE_T_CD 8 | |
8541 #define USE_REDRAW 9 | |
8542 | |
8543 /* | |
8544 * insert lines on the screen and update ScreenLines[] | |
8545 * 'end' is the line after the scrolled part. Normally it is Rows. | |
8546 * When scrolling region used 'off' is the offset from the top for the region. | |
8547 * 'row' and 'end' are relative to the start of the region. | |
8548 * | |
8549 * return FAIL for failure, OK for success. | |
8550 */ | |
446 | 8551 int |
7 | 8552 screen_ins_lines(off, row, line_count, end, wp) |
8553 int off; | |
8554 int row; | |
8555 int line_count; | |
8556 int end; | |
8557 win_T *wp; /* NULL or window to use width from */ | |
8558 { | |
8559 int i; | |
8560 int j; | |
8561 unsigned temp; | |
8562 int cursor_row; | |
8563 int type; | |
8564 int result_empty; | |
8565 int can_ce = can_clear(T_CE); | |
8566 | |
8567 /* | |
8568 * FAIL if | |
8569 * - there is no valid screen | |
8570 * - the screen has to be redrawn completely | |
8571 * - the line count is less than one | |
8572 * - the line count is more than 'ttyscroll' | |
8573 */ | |
8574 if (!screen_valid(TRUE) || line_count <= 0 || line_count > p_ttyscroll) | |
8575 return FAIL; | |
8576 | |
8577 /* | |
8578 * There are seven ways to insert lines: | |
8579 * 0. When in a vertically split window and t_CV isn't set, redraw the | |
8580 * characters from ScreenLines[]. | |
8581 * 1. Use T_CD (clear to end of display) if it exists and the result of | |
8582 * the insert is just empty lines | |
8583 * 2. Use T_CAL (insert multiple lines) if it exists and T_AL is not | |
8584 * present or line_count > 1. It looks better if we do all the inserts | |
8585 * at once. | |
8586 * 3. Use T_CDL (delete multiple lines) if it exists and the result of the | |
8587 * insert is just empty lines and T_CE is not present or line_count > | |
8588 * 1. | |
8589 * 4. Use T_AL (insert line) if it exists. | |
8590 * 5. Use T_CE (erase line) if it exists and the result of the insert is | |
8591 * just empty lines. | |
8592 * 6. Use T_DL (delete line) if it exists and the result of the insert is | |
8593 * just empty lines. | |
8594 * 7. Use T_SR (scroll reverse) if it exists and inserting at row 0 and | |
8595 * the 'da' flag is not set or we have clear line capability. | |
8596 * 8. redraw the characters from ScreenLines[]. | |
8597 * | |
8598 * Careful: In a hpterm scroll reverse doesn't work as expected, it moves | |
8599 * the scrollbar for the window. It does have insert line, use that if it | |
8600 * exists. | |
8601 */ | |
8602 result_empty = (row + line_count >= end); | |
8603 #ifdef FEAT_VERTSPLIT | |
8604 if (wp != NULL && wp->w_width != Columns && *T_CSV == NUL) | |
8605 type = USE_REDRAW; | |
8606 else | |
8607 #endif | |
8608 if (can_clear(T_CD) && result_empty) | |
8609 type = USE_T_CD; | |
8610 else if (*T_CAL != NUL && (line_count > 1 || *T_AL == NUL)) | |
8611 type = USE_T_CAL; | |
8612 else if (*T_CDL != NUL && result_empty && (line_count > 1 || !can_ce)) | |
8613 type = USE_T_CDL; | |
8614 else if (*T_AL != NUL) | |
8615 type = USE_T_AL; | |
8616 else if (can_ce && result_empty) | |
8617 type = USE_T_CE; | |
8618 else if (*T_DL != NUL && result_empty) | |
8619 type = USE_T_DL; | |
8620 else if (*T_SR != NUL && row == 0 && (*T_DA == NUL || can_ce)) | |
8621 type = USE_T_SR; | |
8622 else | |
8623 return FAIL; | |
8624 | |
8625 /* | |
8626 * For clearing the lines screen_del_lines() is used. This will also take | |
8627 * care of t_db if necessary. | |
8628 */ | |
8629 if (type == USE_T_CD || type == USE_T_CDL || | |
8630 type == USE_T_CE || type == USE_T_DL) | |
8631 return screen_del_lines(off, row, line_count, end, FALSE, wp); | |
8632 | |
8633 /* | |
8634 * If text is retained below the screen, first clear or delete as many | |
8635 * lines at the bottom of the window as are about to be inserted so that | |
8636 * the deleted lines won't later surface during a screen_del_lines. | |
8637 */ | |
8638 if (*T_DB) | |
8639 screen_del_lines(off, end - line_count, line_count, end, FALSE, wp); | |
8640 | |
8641 #ifdef FEAT_CLIPBOARD | |
8642 /* Remove a modeless selection when inserting lines halfway the screen | |
8643 * or not the full width of the screen. */ | |
8644 if (off + row > 0 | |
8645 # ifdef FEAT_VERTSPLIT | |
8646 || (wp != NULL && wp->w_width != Columns) | |
8647 # endif | |
8648 ) | |
8649 clip_clear_selection(); | |
8650 else | |
8651 clip_scroll_selection(-line_count); | |
8652 #endif | |
8653 | |
8654 #ifdef FEAT_GUI | |
8655 /* Don't update the GUI cursor here, ScreenLines[] is invalid until the | |
8656 * scrolling is actually carried out. */ | |
8657 gui_dont_update_cursor(); | |
8658 #endif | |
8659 | |
8660 if (*T_CCS != NUL) /* cursor relative to region */ | |
8661 cursor_row = row; | |
8662 else | |
8663 cursor_row = row + off; | |
8664 | |
8665 /* | |
8666 * Shift LineOffset[] line_count down to reflect the inserted lines. | |
8667 * Clear the inserted lines in ScreenLines[]. | |
8668 */ | |
8669 row += off; | |
8670 end += off; | |
8671 for (i = 0; i < line_count; ++i) | |
8672 { | |
8673 #ifdef FEAT_VERTSPLIT | |
8674 if (wp != NULL && wp->w_width != Columns) | |
8675 { | |
8676 /* need to copy part of a line */ | |
8677 j = end - 1 - i; | |
8678 while ((j -= line_count) >= row) | |
8679 linecopy(j + line_count, j, wp); | |
8680 j += line_count; | |
8681 if (can_clear((char_u *)" ")) | |
8682 lineclear(LineOffset[j] + wp->w_wincol, wp->w_width); | |
8683 else | |
8684 lineinvalid(LineOffset[j] + wp->w_wincol, wp->w_width); | |
8685 LineWraps[j] = FALSE; | |
8686 } | |
8687 else | |
8688 #endif | |
8689 { | |
8690 j = end - 1 - i; | |
8691 temp = LineOffset[j]; | |
8692 while ((j -= line_count) >= row) | |
8693 { | |
8694 LineOffset[j + line_count] = LineOffset[j]; | |
8695 LineWraps[j + line_count] = LineWraps[j]; | |
8696 } | |
8697 LineOffset[j + line_count] = temp; | |
8698 LineWraps[j + line_count] = FALSE; | |
8699 if (can_clear((char_u *)" ")) | |
8700 lineclear(temp, (int)Columns); | |
8701 else | |
8702 lineinvalid(temp, (int)Columns); | |
8703 } | |
8704 } | |
8705 | |
8706 screen_stop_highlight(); | |
8707 windgoto(cursor_row, 0); | |
8708 | |
8709 #ifdef FEAT_VERTSPLIT | |
8710 /* redraw the characters */ | |
8711 if (type == USE_REDRAW) | |
8712 redraw_block(row, end, wp); | |
8713 else | |
8714 #endif | |
8715 if (type == USE_T_CAL) | |
8716 { | |
8717 term_append_lines(line_count); | |
8718 screen_start(); /* don't know where cursor is now */ | |
8719 } | |
8720 else | |
8721 { | |
8722 for (i = 0; i < line_count; i++) | |
8723 { | |
8724 if (type == USE_T_AL) | |
8725 { | |
8726 if (i && cursor_row != 0) | |
8727 windgoto(cursor_row, 0); | |
8728 out_str(T_AL); | |
8729 } | |
8730 else /* type == USE_T_SR */ | |
8731 out_str(T_SR); | |
8732 screen_start(); /* don't know where cursor is now */ | |
8733 } | |
8734 } | |
8735 | |
8736 /* | |
8737 * With scroll-reverse and 'da' flag set we need to clear the lines that | |
8738 * have been scrolled down into the region. | |
8739 */ | |
8740 if (type == USE_T_SR && *T_DA) | |
8741 { | |
8742 for (i = 0; i < line_count; ++i) | |
8743 { | |
8744 windgoto(off + i, 0); | |
8745 out_str(T_CE); | |
8746 screen_start(); /* don't know where cursor is now */ | |
8747 } | |
8748 } | |
8749 | |
8750 #ifdef FEAT_GUI | |
8751 gui_can_update_cursor(); | |
8752 if (gui.in_use) | |
8753 out_flush(); /* always flush after a scroll */ | |
8754 #endif | |
8755 return OK; | |
8756 } | |
8757 | |
8758 /* | |
8759 * delete lines on the screen and update ScreenLines[] | |
8760 * 'end' is the line after the scrolled part. Normally it is Rows. | |
8761 * When scrolling region used 'off' is the offset from the top for the region. | |
8762 * 'row' and 'end' are relative to the start of the region. | |
8763 * | |
8764 * Return OK for success, FAIL if the lines are not deleted. | |
8765 */ | |
8766 int | |
8767 screen_del_lines(off, row, line_count, end, force, wp) | |
8768 int off; | |
8769 int row; | |
8770 int line_count; | |
8771 int end; | |
8772 int force; /* even when line_count > p_ttyscroll */ | |
1883 | 8773 win_T *wp UNUSED; /* NULL or window to use width from */ |
7 | 8774 { |
8775 int j; | |
8776 int i; | |
8777 unsigned temp; | |
8778 int cursor_row; | |
8779 int cursor_end; | |
8780 int result_empty; /* result is empty until end of region */ | |
8781 int can_delete; /* deleting line codes can be used */ | |
8782 int type; | |
8783 | |
8784 /* | |
8785 * FAIL if | |
8786 * - there is no valid screen | |
8787 * - the screen has to be redrawn completely | |
8788 * - the line count is less than one | |
8789 * - the line count is more than 'ttyscroll' | |
8790 */ | |
8791 if (!screen_valid(TRUE) || line_count <= 0 || | |
8792 (!force && line_count > p_ttyscroll)) | |
8793 return FAIL; | |
8794 | |
8795 /* | |
8796 * Check if the rest of the current region will become empty. | |
8797 */ | |
8798 result_empty = row + line_count >= end; | |
8799 | |
8800 /* | |
8801 * We can delete lines only when 'db' flag not set or when 'ce' option | |
8802 * available. | |
8803 */ | |
8804 can_delete = (*T_DB == NUL || can_clear(T_CE)); | |
8805 | |
8806 /* | |
8807 * There are six ways to delete lines: | |
8808 * 0. When in a vertically split window and t_CV isn't set, redraw the | |
8809 * characters from ScreenLines[]. | |
8810 * 1. Use T_CD if it exists and the result is empty. | |
8811 * 2. Use newlines if row == 0 and count == 1 or T_CDL does not exist. | |
8812 * 3. Use T_CDL (delete multiple lines) if it exists and line_count > 1 or | |
8813 * none of the other ways work. | |
8814 * 4. Use T_CE (erase line) if the result is empty. | |
8815 * 5. Use T_DL (delete line) if it exists. | |
8816 * 6. redraw the characters from ScreenLines[]. | |
8817 */ | |
8818 #ifdef FEAT_VERTSPLIT | |
8819 if (wp != NULL && wp->w_width != Columns && *T_CSV == NUL) | |
8820 type = USE_REDRAW; | |
8821 else | |
8822 #endif | |
8823 if (can_clear(T_CD) && result_empty) | |
8824 type = USE_T_CD; | |
8825 #if defined(__BEOS__) && defined(BEOS_DR8) | |
8826 /* | |
8827 * USE_NL does not seem to work in Terminal of DR8 so we set T_DB="" in | |
8828 * its internal termcap... this works okay for tests which test *T_DB != | |
8829 * NUL. It has the disadvantage that the user cannot use any :set t_* | |
8830 * command to get T_DB (back) to empty_option, only :set term=... will do | |
8831 * the trick... | |
8832 * Anyway, this hack will hopefully go away with the next OS release. | |
8833 * (Olaf Seibert) | |
8834 */ | |
8835 else if (row == 0 && T_DB == empty_option | |
8836 && (line_count == 1 || *T_CDL == NUL)) | |
8837 #else | |
8838 else if (row == 0 && ( | |
8839 #ifndef AMIGA | |
8840 /* On the Amiga, somehow '\n' on the last line doesn't always scroll | |
8841 * up, so use delete-line command */ | |
8842 line_count == 1 || | |
8843 #endif | |
8844 *T_CDL == NUL)) | |
8845 #endif | |
8846 type = USE_NL; | |
8847 else if (*T_CDL != NUL && line_count > 1 && can_delete) | |
8848 type = USE_T_CDL; | |
8849 else if (can_clear(T_CE) && result_empty | |
8850 #ifdef FEAT_VERTSPLIT | |
8851 && (wp == NULL || wp->w_width == Columns) | |
8852 #endif | |
8853 ) | |
8854 type = USE_T_CE; | |
8855 else if (*T_DL != NUL && can_delete) | |
8856 type = USE_T_DL; | |
8857 else if (*T_CDL != NUL && can_delete) | |
8858 type = USE_T_CDL; | |
8859 else | |
8860 return FAIL; | |
8861 | |
8862 #ifdef FEAT_CLIPBOARD | |
8863 /* Remove a modeless selection when deleting lines halfway the screen or | |
8864 * not the full width of the screen. */ | |
8865 if (off + row > 0 | |
8866 # ifdef FEAT_VERTSPLIT | |
8867 || (wp != NULL && wp->w_width != Columns) | |
8868 # endif | |
8869 ) | |
8870 clip_clear_selection(); | |
8871 else | |
8872 clip_scroll_selection(line_count); | |
8873 #endif | |
8874 | |
8875 #ifdef FEAT_GUI | |
8876 /* Don't update the GUI cursor here, ScreenLines[] is invalid until the | |
8877 * scrolling is actually carried out. */ | |
8878 gui_dont_update_cursor(); | |
8879 #endif | |
8880 | |
8881 if (*T_CCS != NUL) /* cursor relative to region */ | |
8882 { | |
8883 cursor_row = row; | |
8884 cursor_end = end; | |
8885 } | |
8886 else | |
8887 { | |
8888 cursor_row = row + off; | |
8889 cursor_end = end + off; | |
8890 } | |
8891 | |
8892 /* | |
8893 * Now shift LineOffset[] line_count up to reflect the deleted lines. | |
8894 * Clear the inserted lines in ScreenLines[]. | |
8895 */ | |
8896 row += off; | |
8897 end += off; | |
8898 for (i = 0; i < line_count; ++i) | |
8899 { | |
8900 #ifdef FEAT_VERTSPLIT | |
8901 if (wp != NULL && wp->w_width != Columns) | |
8902 { | |
8903 /* need to copy part of a line */ | |
8904 j = row + i; | |
8905 while ((j += line_count) <= end - 1) | |
8906 linecopy(j - line_count, j, wp); | |
8907 j -= line_count; | |
8908 if (can_clear((char_u *)" ")) | |
8909 lineclear(LineOffset[j] + wp->w_wincol, wp->w_width); | |
8910 else | |
8911 lineinvalid(LineOffset[j] + wp->w_wincol, wp->w_width); | |
8912 LineWraps[j] = FALSE; | |
8913 } | |
8914 else | |
8915 #endif | |
8916 { | |
8917 /* whole width, moving the line pointers is faster */ | |
8918 j = row + i; | |
8919 temp = LineOffset[j]; | |
8920 while ((j += line_count) <= end - 1) | |
8921 { | |
8922 LineOffset[j - line_count] = LineOffset[j]; | |
8923 LineWraps[j - line_count] = LineWraps[j]; | |
8924 } | |
8925 LineOffset[j - line_count] = temp; | |
8926 LineWraps[j - line_count] = FALSE; | |
8927 if (can_clear((char_u *)" ")) | |
8928 lineclear(temp, (int)Columns); | |
8929 else | |
8930 lineinvalid(temp, (int)Columns); | |
8931 } | |
8932 } | |
8933 | |
8934 screen_stop_highlight(); | |
8935 | |
8936 #ifdef FEAT_VERTSPLIT | |
8937 /* redraw the characters */ | |
8938 if (type == USE_REDRAW) | |
8939 redraw_block(row, end, wp); | |
8940 else | |
8941 #endif | |
8942 if (type == USE_T_CD) /* delete the lines */ | |
8943 { | |
8944 windgoto(cursor_row, 0); | |
8945 out_str(T_CD); | |
8946 screen_start(); /* don't know where cursor is now */ | |
8947 } | |
8948 else if (type == USE_T_CDL) | |
8949 { | |
8950 windgoto(cursor_row, 0); | |
8951 term_delete_lines(line_count); | |
8952 screen_start(); /* don't know where cursor is now */ | |
8953 } | |
8954 /* | |
8955 * Deleting lines at top of the screen or scroll region: Just scroll | |
8956 * the whole screen (scroll region) up by outputting newlines on the | |
8957 * last line. | |
8958 */ | |
8959 else if (type == USE_NL) | |
8960 { | |
8961 windgoto(cursor_end - 1, 0); | |
8962 for (i = line_count; --i >= 0; ) | |
8963 out_char('\n'); /* cursor will remain on same line */ | |
8964 } | |
8965 else | |
8966 { | |
8967 for (i = line_count; --i >= 0; ) | |
8968 { | |
8969 if (type == USE_T_DL) | |
8970 { | |
8971 windgoto(cursor_row, 0); | |
8972 out_str(T_DL); /* delete a line */ | |
8973 } | |
8974 else /* type == USE_T_CE */ | |
8975 { | |
8976 windgoto(cursor_row + i, 0); | |
8977 out_str(T_CE); /* erase a line */ | |
8978 } | |
8979 screen_start(); /* don't know where cursor is now */ | |
8980 } | |
8981 } | |
8982 | |
8983 /* | |
8984 * If the 'db' flag is set, we need to clear the lines that have been | |
8985 * scrolled up at the bottom of the region. | |
8986 */ | |
8987 if (*T_DB && (type == USE_T_DL || type == USE_T_CDL)) | |
8988 { | |
8989 for (i = line_count; i > 0; --i) | |
8990 { | |
8991 windgoto(cursor_end - i, 0); | |
8992 out_str(T_CE); /* erase a line */ | |
8993 screen_start(); /* don't know where cursor is now */ | |
8994 } | |
8995 } | |
8996 | |
8997 #ifdef FEAT_GUI | |
8998 gui_can_update_cursor(); | |
8999 if (gui.in_use) | |
9000 out_flush(); /* always flush after a scroll */ | |
9001 #endif | |
9002 | |
9003 return OK; | |
9004 } | |
9005 | |
9006 /* | |
9007 * show the current mode and ruler | |
9008 * | |
9009 * If clear_cmdline is TRUE, clear the rest of the cmdline. | |
9010 * If clear_cmdline is FALSE there may be a message there that needs to be | |
9011 * cleared only if a mode is shown. | |
9012 * Return the length of the message (0 if no message). | |
9013 */ | |
9014 int | |
9015 showmode() | |
9016 { | |
9017 int need_clear; | |
9018 int length = 0; | |
9019 int do_mode; | |
9020 int attr; | |
9021 int nwr_save; | |
9022 #ifdef FEAT_INS_EXPAND | |
9023 int sub_attr; | |
9024 #endif | |
9025 | |
642 | 9026 do_mode = ((p_smd && msg_silent == 0) |
9027 && ((State & INSERT) | |
9028 || restart_edit | |
7 | 9029 #ifdef FEAT_VISUAL |
9030 || VIsual_active | |
9031 #endif | |
9032 )); | |
9033 if (do_mode || Recording) | |
9034 { | |
9035 /* | |
9036 * Don't show mode right now, when not redrawing or inside a mapping. | |
9037 * Call char_avail() only when we are going to show something, because | |
9038 * it takes a bit of time. | |
9039 */ | |
9040 if (!redrawing() || (char_avail() && !KeyTyped) || msg_silent != 0) | |
9041 { | |
9042 redraw_cmdline = TRUE; /* show mode later */ | |
9043 return 0; | |
9044 } | |
9045 | |
9046 nwr_save = need_wait_return; | |
9047 | |
9048 /* wait a bit before overwriting an important message */ | |
9049 check_for_delay(FALSE); | |
9050 | |
9051 /* if the cmdline is more than one line high, erase top lines */ | |
9052 need_clear = clear_cmdline; | |
9053 if (clear_cmdline && cmdline_row < Rows - 1) | |
9054 msg_clr_cmdline(); /* will reset clear_cmdline */ | |
9055 | |
9056 /* Position on the last line in the window, column 0 */ | |
9057 msg_pos_mode(); | |
9058 cursor_off(); | |
9059 attr = hl_attr(HLF_CM); /* Highlight mode */ | |
9060 if (do_mode) | |
9061 { | |
9062 MSG_PUTS_ATTR("--", attr); | |
9063 #if defined(FEAT_XIM) | |
1668 | 9064 # if 0 /* old version, changed by SungHyun Nam July 2008 */ |
7 | 9065 if (xic != NULL && im_get_status() && !p_imdisable |
9066 && curbuf->b_p_iminsert == B_IMODE_IM) | |
1668 | 9067 # else |
9068 if ( | |
9069 # ifdef HAVE_GTK2 | |
9070 preedit_get_status() | |
9071 # else | |
9072 im_get_status() | |
9073 # endif | |
9074 ) | |
9075 # endif | |
7 | 9076 # ifdef HAVE_GTK2 /* most of the time, it's not XIM being used */ |
9077 MSG_PUTS_ATTR(" IM", attr); | |
9078 # else | |
9079 MSG_PUTS_ATTR(" XIM", attr); | |
9080 # endif | |
9081 #endif | |
9082 #if defined(FEAT_HANGULIN) && defined(FEAT_GUI) | |
9083 if (gui.in_use) | |
9084 { | |
9085 if (hangul_input_state_get()) | |
236 | 9086 MSG_PUTS_ATTR(" \307\321\261\333", attr); /* HANGUL */ |
7 | 9087 } |
9088 #endif | |
9089 #ifdef FEAT_INS_EXPAND | |
9090 if (edit_submode != NULL) /* CTRL-X in Insert mode */ | |
9091 { | |
9092 /* These messages can get long, avoid a wrap in a narrow | |
9093 * window. Prefer showing edit_submode_extra. */ | |
9094 length = (Rows - msg_row) * Columns - 3; | |
9095 if (edit_submode_extra != NULL) | |
9096 length -= vim_strsize(edit_submode_extra); | |
9097 if (length > 0) | |
9098 { | |
9099 if (edit_submode_pre != NULL) | |
9100 length -= vim_strsize(edit_submode_pre); | |
9101 if (length - vim_strsize(edit_submode) > 0) | |
9102 { | |
9103 if (edit_submode_pre != NULL) | |
9104 msg_puts_attr(edit_submode_pre, attr); | |
9105 msg_puts_attr(edit_submode, attr); | |
9106 } | |
9107 if (edit_submode_extra != NULL) | |
9108 { | |
9109 MSG_PUTS_ATTR(" ", attr); /* add a space in between */ | |
9110 if ((int)edit_submode_highl < (int)HLF_COUNT) | |
9111 sub_attr = hl_attr(edit_submode_highl); | |
9112 else | |
9113 sub_attr = attr; | |
9114 msg_puts_attr(edit_submode_extra, sub_attr); | |
9115 } | |
9116 } | |
9117 length = 0; | |
9118 } | |
9119 else | |
9120 #endif | |
9121 { | |
9122 #ifdef FEAT_VREPLACE | |
9123 if (State & VREPLACE_FLAG) | |
9124 MSG_PUTS_ATTR(_(" VREPLACE"), attr); | |
9125 else | |
9126 #endif | |
9127 if (State & REPLACE_FLAG) | |
9128 MSG_PUTS_ATTR(_(" REPLACE"), attr); | |
9129 else if (State & INSERT) | |
9130 { | |
9131 #ifdef FEAT_RIGHTLEFT | |
9132 if (p_ri) | |
9133 MSG_PUTS_ATTR(_(" REVERSE"), attr); | |
9134 #endif | |
9135 MSG_PUTS_ATTR(_(" INSERT"), attr); | |
9136 } | |
9137 else if (restart_edit == 'I') | |
9138 MSG_PUTS_ATTR(_(" (insert)"), attr); | |
9139 else if (restart_edit == 'R') | |
9140 MSG_PUTS_ATTR(_(" (replace)"), attr); | |
9141 else if (restart_edit == 'V') | |
9142 MSG_PUTS_ATTR(_(" (vreplace)"), attr); | |
9143 #ifdef FEAT_RIGHTLEFT | |
9144 if (p_hkmap) | |
9145 MSG_PUTS_ATTR(_(" Hebrew"), attr); | |
9146 # ifdef FEAT_FKMAP | |
9147 if (p_fkmap) | |
9148 MSG_PUTS_ATTR(farsi_text_5, attr); | |
9149 # endif | |
9150 #endif | |
9151 #ifdef FEAT_KEYMAP | |
9152 if (State & LANGMAP) | |
9153 { | |
9154 # ifdef FEAT_ARABIC | |
9155 if (curwin->w_p_arab) | |
9156 MSG_PUTS_ATTR(_(" Arabic"), attr); | |
9157 else | |
9158 # endif | |
9159 MSG_PUTS_ATTR(_(" (lang)"), attr); | |
9160 } | |
9161 #endif | |
9162 if ((State & INSERT) && p_paste) | |
9163 MSG_PUTS_ATTR(_(" (paste)"), attr); | |
9164 | |
9165 #ifdef FEAT_VISUAL | |
9166 if (VIsual_active) | |
9167 { | |
9168 char *p; | |
9169 | |
9170 /* Don't concatenate separate words to avoid translation | |
9171 * problems. */ | |
9172 switch ((VIsual_select ? 4 : 0) | |
9173 + (VIsual_mode == Ctrl_V) * 2 | |
9174 + (VIsual_mode == 'V')) | |
9175 { | |
9176 case 0: p = N_(" VISUAL"); break; | |
9177 case 1: p = N_(" VISUAL LINE"); break; | |
9178 case 2: p = N_(" VISUAL BLOCK"); break; | |
9179 case 4: p = N_(" SELECT"); break; | |
9180 case 5: p = N_(" SELECT LINE"); break; | |
9181 default: p = N_(" SELECT BLOCK"); break; | |
9182 } | |
9183 MSG_PUTS_ATTR(_(p), attr); | |
9184 } | |
9185 #endif | |
9186 MSG_PUTS_ATTR(" --", attr); | |
9187 } | |
644 | 9188 |
7 | 9189 need_clear = TRUE; |
9190 } | |
9191 if (Recording | |
9192 #ifdef FEAT_INS_EXPAND | |
9193 && edit_submode == NULL /* otherwise it gets too long */ | |
9194 #endif | |
9195 ) | |
9196 { | |
9197 MSG_PUTS_ATTR(_("recording"), attr); | |
9198 need_clear = TRUE; | |
9199 } | |
644 | 9200 |
9201 mode_displayed = TRUE; | |
7 | 9202 if (need_clear || clear_cmdline) |
9203 msg_clr_eos(); | |
9204 msg_didout = FALSE; /* overwrite this message */ | |
9205 length = msg_col; | |
9206 msg_col = 0; | |
9207 need_wait_return = nwr_save; /* never ask for hit-return for this */ | |
9208 } | |
9209 else if (clear_cmdline && msg_silent == 0) | |
9210 /* Clear the whole command line. Will reset "clear_cmdline". */ | |
9211 msg_clr_cmdline(); | |
9212 | |
9213 #ifdef FEAT_CMDL_INFO | |
9214 # ifdef FEAT_VISUAL | |
9215 /* In Visual mode the size of the selected area must be redrawn. */ | |
9216 if (VIsual_active) | |
9217 clear_showcmd(); | |
9218 # endif | |
9219 | |
9220 /* If the last window has no status line, the ruler is after the mode | |
9221 * message and must be redrawn */ | |
9222 if (redrawing() | |
9223 # ifdef FEAT_WINDOWS | |
9224 && lastwin->w_status_height == 0 | |
9225 # endif | |
9226 ) | |
9227 win_redr_ruler(lastwin, TRUE); | |
9228 #endif | |
9229 redraw_cmdline = FALSE; | |
9230 clear_cmdline = FALSE; | |
9231 | |
9232 return length; | |
9233 } | |
9234 | |
9235 /* | |
9236 * Position for a mode message. | |
9237 */ | |
9238 static void | |
9239 msg_pos_mode() | |
9240 { | |
9241 msg_col = 0; | |
9242 msg_row = Rows - 1; | |
9243 } | |
9244 | |
9245 /* | |
9246 * Delete mode message. Used when ESC is typed which is expected to end | |
9247 * Insert mode (but Insert mode didn't end yet!). | |
644 | 9248 * Caller should check "mode_displayed". |
7 | 9249 */ |
9250 void | |
9251 unshowmode(force) | |
9252 int force; | |
9253 { | |
9254 /* | |
2055
4aa4510d548c
updated for version 7.2.341
Bram Moolenaar <bram@zimbu.org>
parents:
2008
diff
changeset
|
9255 * Don't delete it right now, when not redrawing or inside a mapping. |
7 | 9256 */ |
9257 if (!redrawing() || (!force && char_avail() && !KeyTyped)) | |
9258 redraw_cmdline = TRUE; /* delete mode later */ | |
9259 else | |
9260 { | |
9261 msg_pos_mode(); | |
9262 if (Recording) | |
9263 MSG_PUTS_ATTR(_("recording"), hl_attr(HLF_CM)); | |
9264 msg_clr_eos(); | |
9265 } | |
9266 } | |
9267 | |
667 | 9268 #if defined(FEAT_WINDOWS) |
9269 /* | |
9270 * Draw the tab pages line at the top of the Vim window. | |
9271 */ | |
9272 static void | |
677 | 9273 draw_tabline() |
667 | 9274 { |
9275 int tabcount = 0; | |
9276 tabpage_T *tp; | |
9277 int tabwidth; | |
9278 int col = 0; | |
673 | 9279 int scol = 0; |
667 | 9280 int attr; |
9281 win_T *wp; | |
671 | 9282 win_T *cwp; |
9283 int wincount; | |
9284 int modified; | |
667 | 9285 int c; |
9286 int len; | |
9287 int attr_sel = hl_attr(HLF_TPS); | |
9288 int attr_nosel = hl_attr(HLF_TP); | |
9289 int attr_fill = hl_attr(HLF_TPF); | |
673 | 9290 char_u *p; |
677 | 9291 int room; |
9292 int use_sep_chars = (t_colors < 8 | |
9293 #ifdef FEAT_GUI | |
9294 && !gui.in_use | |
9295 #endif | |
9296 ); | |
673 | 9297 |
9298 redraw_tabline = FALSE; | |
667 | 9299 |
685 | 9300 #ifdef FEAT_GUI_TABLINE |
798 | 9301 /* Take care of a GUI tabline. */ |
685 | 9302 if (gui_use_tabline()) |
9303 { | |
9304 gui_update_tabline(); | |
9305 return; | |
9306 } | |
9307 #endif | |
9308 | |
9309 if (tabline_height() < 1) | |
667 | 9310 return; |
9311 | |
677 | 9312 #if defined(FEAT_STL_OPT) |
681 | 9313 |
9314 /* Init TabPageIdxs[] to zero: Clicking outside of tabs has no effect. */ | |
9315 for (scol = 0; scol < Columns; ++scol) | |
9316 TabPageIdxs[scol] = 0; | |
9317 | |
677 | 9318 /* Use the 'tabline' option if it's set. */ |
9319 if (*p_tal != NUL) | |
9320 { | |
680 | 9321 int save_called_emsg = called_emsg; |
9322 | |
9323 /* Check for an error. If there is one we would loop in redrawing the | |
9324 * screen. Avoid that by making 'tabline' empty. */ | |
9325 called_emsg = FALSE; | |
677 | 9326 win_redr_custom(NULL, FALSE); |
680 | 9327 if (called_emsg) |
9328 set_string_option_direct((char_u *)"tabline", -1, | |
694 | 9329 (char_u *)"", OPT_FREE, SID_ERROR); |
680 | 9330 called_emsg |= save_called_emsg; |
9331 } | |
9332 else | |
9333 #endif | |
9334 { | |
9335 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next) | |
9336 ++tabcount; | |
9337 | |
9338 tabwidth = (Columns - 1 + tabcount / 2) / tabcount; | |
9339 if (tabwidth < 6) | |
9340 tabwidth = 6; | |
9341 | |
9342 attr = attr_nosel; | |
9343 tabcount = 0; | |
681 | 9344 scol = 0; |
699 | 9345 for (tp = first_tabpage; tp != NULL && col < Columns - 4; |
9346 tp = tp->tp_next) | |
680 | 9347 { |
9348 scol = col; | |
9349 | |
9350 if (tp->tp_topframe == topframe) | |
9351 attr = attr_sel; | |
9352 if (use_sep_chars && col > 0) | |
9353 screen_putchar('|', 0, col++, attr); | |
9354 | |
9355 if (tp->tp_topframe != topframe) | |
9356 attr = attr_nosel; | |
9357 | |
9358 screen_putchar(' ', 0, col++, attr); | |
9359 | |
9360 if (tp == curtab) | |
9361 { | |
9362 cwp = curwin; | |
9363 wp = firstwin; | |
9364 } | |
9365 else | |
9366 { | |
9367 cwp = tp->tp_curwin; | |
9368 wp = tp->tp_firstwin; | |
9369 } | |
9370 | |
9371 modified = FALSE; | |
9372 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount) | |
9373 if (bufIsChanged(wp->w_buffer)) | |
9374 modified = TRUE; | |
9375 if (modified || wincount > 1) | |
9376 { | |
9377 if (wincount > 1) | |
9378 { | |
9379 vim_snprintf((char *)NameBuff, MAXPATHL, "%d", wincount); | |
835 | 9380 len = (int)STRLEN(NameBuff); |
699 | 9381 if (col + len >= Columns - 3) |
9382 break; | |
680 | 9383 screen_puts_len(NameBuff, len, 0, col, |
677 | 9384 #if defined(FEAT_SYN_HL) |
680 | 9385 hl_combine_attr(attr, hl_attr(HLF_T)) |
677 | 9386 #else |
680 | 9387 attr |
9388 #endif | |
9389 ); | |
9390 col += len; | |
9391 } | |
9392 if (modified) | |
9393 screen_puts_len((char_u *)"+", 1, 0, col++, attr); | |
9394 screen_putchar(' ', 0, col++, attr); | |
9395 } | |
9396 | |
9397 room = scol - col + tabwidth - 1; | |
9398 if (room > 0) | |
9399 { | |
685 | 9400 /* Get buffer name in NameBuff[] */ |
9401 get_trans_bufname(cwp->w_buffer); | |
819 | 9402 shorten_dir(NameBuff); |
680 | 9403 len = vim_strsize(NameBuff); |
9404 p = NameBuff; | |
677 | 9405 #ifdef FEAT_MBYTE |
680 | 9406 if (has_mbyte) |
9407 while (len > room) | |
9408 { | |
9409 len -= ptr2cells(p); | |
9410 mb_ptr_adv(p); | |
9411 } | |
9412 else | |
9413 #endif | |
9414 if (len > room) | |
677 | 9415 { |
680 | 9416 p += len - room; |
9417 len = room; | |
677 | 9418 } |
699 | 9419 if (len > Columns - col - 1) |
9420 len = Columns - col - 1; | |
680 | 9421 |
835 | 9422 screen_puts_len(p, (int)STRLEN(p), 0, col, attr); |
680 | 9423 col += len; |
9424 } | |
9425 screen_putchar(' ', 0, col++, attr); | |
9426 | |
9427 /* Store the tab page number in TabPageIdxs[], so that | |
9428 * jump_to_mouse() knows where each one is. */ | |
9429 ++tabcount; | |
9430 while (scol < col) | |
9431 TabPageIdxs[scol++] = tabcount; | |
9432 } | |
9433 | |
9434 if (use_sep_chars) | |
9435 c = '_'; | |
9436 else | |
9437 c = ' '; | |
9438 screen_fill(0, 1, col, (int)Columns, c, c, attr_fill); | |
681 | 9439 |
9440 /* Put an "X" for closing the current tab if there are several. */ | |
9441 if (first_tabpage->tp_next != NULL) | |
9442 { | |
9443 screen_putchar('X', 0, (int)Columns - 1, attr_nosel); | |
9444 TabPageIdxs[Columns - 1] = -999; | |
9445 } | |
9446 } | |
834 | 9447 |
9448 /* Reset the flag here again, in case evaluating 'tabline' causes it to be | |
9449 * set. */ | |
9450 redraw_tabline = FALSE; | |
667 | 9451 } |
685 | 9452 |
9453 /* | |
9454 * Get buffer name for "buf" into NameBuff[]. | |
9455 * Takes care of special buffer names and translates special characters. | |
9456 */ | |
9457 void | |
9458 get_trans_bufname(buf) | |
9459 buf_T *buf; | |
9460 { | |
9461 if (buf_spname(buf) != NULL) | |
9462 STRCPY(NameBuff, buf_spname(buf)); | |
9463 else | |
9464 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); | |
9465 trans_characters(NameBuff, MAXPATHL); | |
9466 } | |
667 | 9467 #endif |
9468 | |
7 | 9469 #if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) |
9470 /* | |
9471 * Get the character to use in a status line. Get its attributes in "*attr". | |
9472 */ | |
9473 static int | |
9474 fillchar_status(attr, is_curwin) | |
9475 int *attr; | |
9476 int is_curwin; | |
9477 { | |
9478 int fill; | |
9479 if (is_curwin) | |
9480 { | |
9481 *attr = hl_attr(HLF_S); | |
9482 fill = fill_stl; | |
9483 } | |
9484 else | |
9485 { | |
9486 *attr = hl_attr(HLF_SNC); | |
9487 fill = fill_stlnc; | |
9488 } | |
9489 /* Use fill when there is highlighting, and highlighting of current | |
9490 * window differs, or the fillchars differ, or this is not the | |
9491 * current window */ | |
9492 if (*attr != 0 && ((hl_attr(HLF_S) != hl_attr(HLF_SNC) | |
9493 || !is_curwin || firstwin == lastwin) | |
9494 || (fill_stl != fill_stlnc))) | |
9495 return fill; | |
9496 if (is_curwin) | |
9497 return '^'; | |
9498 return '='; | |
9499 } | |
9500 #endif | |
9501 | |
9502 #ifdef FEAT_VERTSPLIT | |
9503 /* | |
9504 * Get the character to use in a separator between vertically split windows. | |
9505 * Get its attributes in "*attr". | |
9506 */ | |
9507 static int | |
9508 fillchar_vsep(attr) | |
9509 int *attr; | |
9510 { | |
9511 *attr = hl_attr(HLF_C); | |
9512 if (*attr == 0 && fill_vert == ' ') | |
9513 return '|'; | |
9514 else | |
9515 return fill_vert; | |
9516 } | |
9517 #endif | |
9518 | |
9519 /* | |
9520 * Return TRUE if redrawing should currently be done. | |
9521 */ | |
9522 int | |
9523 redrawing() | |
9524 { | |
9525 return (!RedrawingDisabled | |
9526 && !(p_lz && char_avail() && !KeyTyped && !do_redraw)); | |
9527 } | |
9528 | |
9529 /* | |
9530 * Return TRUE if printing messages should currently be done. | |
9531 */ | |
9532 int | |
9533 messaging() | |
9534 { | |
9535 return (!(p_lz && char_avail() && !KeyTyped)); | |
9536 } | |
9537 | |
9538 /* | |
9539 * Show current status info in ruler and various other places | |
9540 * If always is FALSE, only show ruler if position has changed. | |
9541 */ | |
9542 void | |
9543 showruler(always) | |
9544 int always; | |
9545 { | |
9546 if (!always && !redrawing()) | |
9547 return; | |
574 | 9548 #ifdef FEAT_INS_EXPAND |
9549 if (pum_visible()) | |
9550 { | |
639 | 9551 # ifdef FEAT_WINDOWS |
574 | 9552 /* Don't redraw right now, do it later. */ |
9553 curwin->w_redr_status = TRUE; | |
639 | 9554 # endif |
574 | 9555 return; |
9556 } | |
9557 #endif | |
7 | 9558 #if defined(FEAT_STL_OPT) && defined(FEAT_WINDOWS) |
40 | 9559 if ((*p_stl != NUL || *curwin->w_p_stl != NUL) && curwin->w_status_height) |
680 | 9560 { |
1983 | 9561 redraw_custom_statusline(curwin); |
680 | 9562 } |
7 | 9563 else |
9564 #endif | |
9565 #ifdef FEAT_CMDL_INFO | |
9566 win_redr_ruler(curwin, always); | |
9567 #endif | |
9568 | |
9569 #ifdef FEAT_TITLE | |
9570 if (need_maketitle | |
9571 # ifdef FEAT_STL_OPT | |
9572 || (p_icon && (stl_syntax & STL_IN_ICON)) | |
9573 || (p_title && (stl_syntax & STL_IN_TITLE)) | |
9574 # endif | |
9575 ) | |
9576 maketitle(); | |
9577 #endif | |
1588 | 9578 #ifdef FEAT_WINDOWS |
9579 /* Redraw the tab pages line if needed. */ | |
9580 if (redraw_tabline) | |
9581 draw_tabline(); | |
9582 #endif | |
7 | 9583 } |
9584 | |
9585 #ifdef FEAT_CMDL_INFO | |
9586 static void | |
9587 win_redr_ruler(wp, always) | |
9588 win_T *wp; | |
9589 int always; | |
9590 { | |
1869 | 9591 #define RULER_BUF_LEN 70 |
9592 char_u buffer[RULER_BUF_LEN]; | |
7 | 9593 int row; |
9594 int fillchar; | |
9595 int attr; | |
9596 int empty_line = FALSE; | |
9597 colnr_T virtcol; | |
9598 int i; | |
1869 | 9599 size_t len; |
7 | 9600 int o; |
9601 #ifdef FEAT_VERTSPLIT | |
9602 int this_ru_col; | |
9603 int off = 0; | |
9604 int width = Columns; | |
9605 # define WITH_OFF(x) x | |
9606 # define WITH_WIDTH(x) x | |
9607 #else | |
9608 # define WITH_OFF(x) 0 | |
9609 # define WITH_WIDTH(x) Columns | |
9610 # define this_ru_col ru_col | |
9611 #endif | |
9612 | |
9613 /* If 'ruler' off or redrawing disabled, don't do anything */ | |
9614 if (!p_ru) | |
9615 return; | |
9616 | |
9617 /* | |
9618 * Check if cursor.lnum is valid, since win_redr_ruler() may be called | |
9619 * after deleting lines, before cursor.lnum is corrected. | |
9620 */ | |
9621 if (wp->w_cursor.lnum > wp->w_buffer->b_ml.ml_line_count) | |
9622 return; | |
9623 | |
9624 #ifdef FEAT_INS_EXPAND | |
9625 /* Don't draw the ruler while doing insert-completion, it might overwrite | |
9626 * the (long) mode message. */ | |
9627 # ifdef FEAT_WINDOWS | |
9628 if (wp == lastwin && lastwin->w_status_height == 0) | |
9629 # endif | |
9630 if (edit_submode != NULL) | |
9631 return; | |
540 | 9632 /* Don't draw the ruler when the popup menu is visible, it may overlap. */ |
9633 if (pum_visible()) | |
9634 return; | |
7 | 9635 #endif |
9636 | |
9637 #ifdef FEAT_STL_OPT | |
9638 if (*p_ruf) | |
9639 { | |
680 | 9640 int save_called_emsg = called_emsg; |
9641 | |
9642 called_emsg = FALSE; | |
7 | 9643 win_redr_custom(wp, TRUE); |
680 | 9644 if (called_emsg) |
9645 set_string_option_direct((char_u *)"rulerformat", -1, | |
694 | 9646 (char_u *)"", OPT_FREE, SID_ERROR); |
680 | 9647 called_emsg |= save_called_emsg; |
7 | 9648 return; |
9649 } | |
9650 #endif | |
9651 | |
9652 /* | |
9653 * Check if not in Insert mode and the line is empty (will show "0-1"). | |
9654 */ | |
9655 if (!(State & INSERT) | |
9656 && *ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE) == NUL) | |
9657 empty_line = TRUE; | |
9658 | |
9659 /* | |
9660 * Only draw the ruler when something changed. | |
9661 */ | |
9662 validate_virtcol_win(wp); | |
9663 if ( redraw_cmdline | |
9664 || always | |
9665 || wp->w_cursor.lnum != wp->w_ru_cursor.lnum | |
9666 || wp->w_cursor.col != wp->w_ru_cursor.col | |
9667 || wp->w_virtcol != wp->w_ru_virtcol | |
9668 #ifdef FEAT_VIRTUALEDIT | |
9669 || wp->w_cursor.coladd != wp->w_ru_cursor.coladd | |
9670 #endif | |
9671 || wp->w_topline != wp->w_ru_topline | |
9672 || wp->w_buffer->b_ml.ml_line_count != wp->w_ru_line_count | |
9673 #ifdef FEAT_DIFF | |
9674 || wp->w_topfill != wp->w_ru_topfill | |
9675 #endif | |
9676 || empty_line != wp->w_ru_empty) | |
9677 { | |
9678 cursor_off(); | |
9679 #ifdef FEAT_WINDOWS | |
9680 if (wp->w_status_height) | |
9681 { | |
9682 row = W_WINROW(wp) + wp->w_height; | |
9683 fillchar = fillchar_status(&attr, wp == curwin); | |
9684 # ifdef FEAT_VERTSPLIT | |
9685 off = W_WINCOL(wp); | |
9686 width = W_WIDTH(wp); | |
9687 # endif | |
9688 } | |
9689 else | |
9690 #endif | |
9691 { | |
9692 row = Rows - 1; | |
9693 fillchar = ' '; | |
9694 attr = 0; | |
9695 #ifdef FEAT_VERTSPLIT | |
9696 width = Columns; | |
9697 off = 0; | |
9698 #endif | |
9699 } | |
9700 | |
9701 /* In list mode virtcol needs to be recomputed */ | |
9702 virtcol = wp->w_virtcol; | |
9703 if (wp->w_p_list && lcs_tab1 == NUL) | |
9704 { | |
9705 wp->w_p_list = FALSE; | |
9706 getvvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); | |
9707 wp->w_p_list = TRUE; | |
9708 } | |
9709 | |
9710 /* | |
9711 * Some sprintfs return the length, some return a pointer. | |
9712 * To avoid portability problems we use strlen() here. | |
9713 */ | |
1869 | 9714 vim_snprintf((char *)buffer, RULER_BUF_LEN, "%ld,", |
7 | 9715 (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) |
9716 ? 0L | |
9717 : (long)(wp->w_cursor.lnum)); | |
1869 | 9718 len = STRLEN(buffer); |
9719 col_print(buffer + len, RULER_BUF_LEN - len, | |
7 | 9720 empty_line ? 0 : (int)wp->w_cursor.col + 1, |
9721 (int)virtcol + 1); | |
9722 | |
9723 /* | |
9724 * Add a "50%" if there is room for it. | |
9725 * On the last line, don't print in the last column (scrolls the | |
9726 * screen up on some terminals). | |
9727 */ | |
9728 i = (int)STRLEN(buffer); | |
1869 | 9729 get_rel_pos(wp, buffer + i + 1, RULER_BUF_LEN - i - 1); |
7 | 9730 o = i + vim_strsize(buffer + i + 1); |
9731 #ifdef FEAT_WINDOWS | |
9732 if (wp->w_status_height == 0) /* can't use last char of screen */ | |
9733 #endif | |
9734 ++o; | |
9735 #ifdef FEAT_VERTSPLIT | |
9736 this_ru_col = ru_col - (Columns - width); | |
9737 if (this_ru_col < 0) | |
9738 this_ru_col = 0; | |
9739 #endif | |
9740 /* Never use more than half the window/screen width, leave the other | |
9741 * half for the filename. */ | |
9742 if (this_ru_col < (WITH_WIDTH(width) + 1) / 2) | |
9743 this_ru_col = (WITH_WIDTH(width) + 1) / 2; | |
9744 if (this_ru_col + o < WITH_WIDTH(width)) | |
9745 { | |
9746 while (this_ru_col + o < WITH_WIDTH(width)) | |
9747 { | |
9748 #ifdef FEAT_MBYTE | |
9749 if (has_mbyte) | |
9750 i += (*mb_char2bytes)(fillchar, buffer + i); | |
9751 else | |
9752 #endif | |
9753 buffer[i++] = fillchar; | |
9754 ++o; | |
9755 } | |
1869 | 9756 get_rel_pos(wp, buffer + i, RULER_BUF_LEN - i); |
7 | 9757 } |
9758 /* Truncate at window boundary. */ | |
9759 #ifdef FEAT_MBYTE | |
9760 if (has_mbyte) | |
9761 { | |
9762 o = 0; | |
474 | 9763 for (i = 0; buffer[i] != NUL; i += (*mb_ptr2len)(buffer + i)) |
7 | 9764 { |
9765 o += (*mb_ptr2cells)(buffer + i); | |
9766 if (this_ru_col + o > WITH_WIDTH(width)) | |
9767 { | |
9768 buffer[i] = NUL; | |
9769 break; | |
9770 } | |
9771 } | |
9772 } | |
9773 else | |
9774 #endif | |
9775 if (this_ru_col + (int)STRLEN(buffer) > WITH_WIDTH(width)) | |
9776 buffer[WITH_WIDTH(width) - this_ru_col] = NUL; | |
9777 | |
9778 screen_puts(buffer, row, this_ru_col + WITH_OFF(off), attr); | |
9779 i = redraw_cmdline; | |
9780 screen_fill(row, row + 1, | |
9781 this_ru_col + WITH_OFF(off) + (int)STRLEN(buffer), | |
9782 (int)(WITH_OFF(off) + WITH_WIDTH(width)), | |
9783 fillchar, fillchar, attr); | |
9784 /* don't redraw the cmdline because of showing the ruler */ | |
9785 redraw_cmdline = i; | |
9786 wp->w_ru_cursor = wp->w_cursor; | |
9787 wp->w_ru_virtcol = wp->w_virtcol; | |
9788 wp->w_ru_empty = empty_line; | |
9789 wp->w_ru_topline = wp->w_topline; | |
9790 wp->w_ru_line_count = wp->w_buffer->b_ml.ml_line_count; | |
9791 #ifdef FEAT_DIFF | |
9792 wp->w_ru_topfill = wp->w_topfill; | |
9793 #endif | |
9794 } | |
9795 } | |
9796 #endif | |
13 | 9797 |
9798 #if defined(FEAT_LINEBREAK) || defined(PROTO) | |
9799 /* | |
2178
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diff
changeset
|
9800 * Return the width of the 'number' and 'relativenumber' column. |
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parents:
2124
diff
changeset
|
9801 * Caller may need to check if 'number' or 'relativenumber' is set. |
13 | 9802 * Otherwise it depends on 'numberwidth' and the line count. |
9803 */ | |
9804 int | |
9805 number_width(wp) | |
9806 win_T *wp; | |
9807 { | |
9808 int n; | |
9809 linenr_T lnum; | |
9810 | |
2178
c6f1aa1e9f32
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Bram Moolenaar <bram@vim.org>
parents:
2124
diff
changeset
|
9811 if (wp->w_p_nu) |
c6f1aa1e9f32
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parents:
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diff
changeset
|
9812 /* 'number' */ |
c6f1aa1e9f32
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parents:
2124
diff
changeset
|
9813 lnum = wp->w_buffer->b_ml.ml_line_count; |
c6f1aa1e9f32
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Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
9814 else |
c6f1aa1e9f32
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Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
9815 /* 'relativenumber' */ |
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parents:
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diff
changeset
|
9816 lnum = wp->w_height; |
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parents:
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diff
changeset
|
9817 |
13 | 9818 if (lnum == wp->w_nrwidth_line_count) |
9819 return wp->w_nrwidth_width; | |
9820 wp->w_nrwidth_line_count = lnum; | |
9821 | |
9822 n = 0; | |
9823 do | |
9824 { | |
856 | 9825 lnum /= 10; |
9826 ++n; | |
13 | 9827 } while (lnum > 0); |
9828 | |
9829 /* 'numberwidth' gives the minimal width plus one */ | |
9830 if (n < wp->w_p_nuw - 1) | |
9831 n = wp->w_p_nuw - 1; | |
9832 | |
9833 wp->w_nrwidth_width = n; | |
9834 return n; | |
9835 } | |
9836 #endif |