Mercurial > vim
comparison src/ui.c @ 7:3fc0f57ecb91 v7.0001
updated for version 7.0001
author | vimboss |
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date | Sun, 13 Jun 2004 20:20:40 +0000 |
parents | |
children | 4424b47a0797 |
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6:c2daee826b8f | 7:3fc0f57ecb91 |
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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 * ui.c: functions that handle the user interface. | |
12 * 1. Keyboard input stuff, and a bit of windowing stuff. These are called | |
13 * before the machine specific stuff (mch_*) so that we can call the GUI | |
14 * stuff instead if the GUI is running. | |
15 * 2. Clipboard stuff. | |
16 * 3. Input buffer stuff. | |
17 */ | |
18 | |
19 #include "vim.h" | |
20 | |
21 void | |
22 ui_write(s, len) | |
23 char_u *s; | |
24 int len; | |
25 { | |
26 #ifdef FEAT_GUI | |
27 if (gui.in_use && !gui.dying && !gui.starting) | |
28 { | |
29 gui_write(s, len); | |
30 if (p_wd) | |
31 gui_wait_for_chars(p_wd); | |
32 return; | |
33 } | |
34 #endif | |
35 #ifndef NO_CONSOLE | |
36 /* Don't output anything in silent mode ("ex -s") unless 'verbose' set */ | |
37 if (!(silent_mode && p_verbose == 0)) | |
38 { | |
39 #ifdef FEAT_MBYTE | |
40 char_u *tofree = NULL; | |
41 | |
42 if (output_conv.vc_type != CONV_NONE) | |
43 { | |
44 /* Convert characters from 'encoding' to 'termencoding'. */ | |
45 tofree = string_convert(&output_conv, s, &len); | |
46 if (tofree != NULL) | |
47 s = tofree; | |
48 } | |
49 #endif | |
50 | |
51 mch_write(s, len); | |
52 | |
53 #ifdef FEAT_MBYTE | |
54 if (output_conv.vc_type != CONV_NONE) | |
55 vim_free(tofree); | |
56 #endif | |
57 } | |
58 #endif | |
59 } | |
60 | |
61 #if (defined(FEAT_GUI) && (defined(UNIX) || defined(VMS))) \ | |
62 || defined(MACOS_X_UNIX) || defined(PROTO) | |
63 /* | |
64 * When executing an external program, there may be some typed characters that | |
65 * are not consumed by it. Give them back to ui_inchar() and they are stored | |
66 * here for the next call. | |
67 */ | |
68 static char_u *ta_str = NULL; | |
69 static int ta_off; /* offset for next char to use when ta_str != NULL */ | |
70 static int ta_len; /* length of ta_str when it's not NULL*/ | |
71 | |
72 void | |
73 ui_inchar_undo(s, len) | |
74 char_u *s; | |
75 int len; | |
76 { | |
77 char_u *new; | |
78 int newlen; | |
79 | |
80 newlen = len; | |
81 if (ta_str != NULL) | |
82 newlen += ta_len - ta_off; | |
83 new = alloc(newlen); | |
84 if (new != NULL) | |
85 { | |
86 if (ta_str != NULL) | |
87 { | |
88 mch_memmove(new, ta_str + ta_off, (size_t)(ta_len - ta_off)); | |
89 mch_memmove(new + ta_len - ta_off, s, (size_t)len); | |
90 vim_free(ta_str); | |
91 } | |
92 else | |
93 mch_memmove(new, s, (size_t)len); | |
94 ta_str = new; | |
95 ta_len = newlen; | |
96 ta_off = 0; | |
97 } | |
98 } | |
99 #endif | |
100 | |
101 /* | |
102 * ui_inchar(): low level input funcion. | |
103 * Get characters from the keyboard. | |
104 * Return the number of characters that are available. | |
105 * If "wtime" == 0 do not wait for characters. | |
106 * If "wtime" == -1 wait forever for characters. | |
107 * If "wtime" > 0 wait "wtime" milliseconds for a character. | |
108 * | |
109 * "tb_change_cnt" is the value of typebuf.tb_change_cnt if "buf" points into | |
110 * it. When typebuf.tb_change_cnt changes (e.g., when a message is received | |
111 * from a remote client) "buf" can no longer be used. "tb_change_cnt" is NULL | |
112 * otherwise. | |
113 */ | |
114 int | |
115 ui_inchar(buf, maxlen, wtime, tb_change_cnt) | |
116 char_u *buf; | |
117 int maxlen; | |
118 long wtime; /* don't use "time", MIPS cannot handle it */ | |
119 int tb_change_cnt; | |
120 { | |
121 int retval = 0; | |
122 | |
123 #if defined(FEAT_GUI) && (defined(UNIX) || defined(VMS)) | |
124 /* | |
125 * Use the typeahead if there is any. | |
126 */ | |
127 if (ta_str != NULL) | |
128 { | |
129 if (maxlen >= ta_len - ta_off) | |
130 { | |
131 mch_memmove(buf, ta_str + ta_off, (size_t)ta_len); | |
132 vim_free(ta_str); | |
133 ta_str = NULL; | |
134 return ta_len; | |
135 } | |
136 mch_memmove(buf, ta_str + ta_off, (size_t)maxlen); | |
137 ta_off += maxlen; | |
138 return maxlen; | |
139 } | |
140 #endif | |
141 | |
142 #ifdef NO_CONSOLE_INPUT | |
143 /* Don't wait for character input when the window hasn't been opened yet. | |
144 * Do try reading, this works when redirecting stdin from a file. | |
145 * Must return something, otherwise we'll loop forever. If we run into | |
146 * this very often we probably got stuck, exit Vim. */ | |
147 if (no_console_input()) | |
148 { | |
149 static int count = 0; | |
150 | |
151 # ifndef NO_CONSOLE | |
152 retval = mch_inchar(buf, maxlen, 10L, tb_change_cnt); | |
153 if (retval > 0 || typebuf_changed(tb_change_cnt)) | |
154 return retval; | |
155 # endif | |
156 if (wtime == -1 && ++count == 1000) | |
157 read_error_exit(); | |
158 buf[0] = CAR; | |
159 return 1; | |
160 } | |
161 #endif | |
162 | |
163 /* When doing a blocking wait there is no need for CTRL-C to interrupt | |
164 * something, don't let it set got_int when it was mapped. */ | |
165 if (mapped_ctrl_c && (wtime == -1 || wtime > 100L)) | |
166 ctrl_c_interrupts = FALSE; | |
167 | |
168 #ifdef FEAT_GUI | |
169 if (gui.in_use) | |
170 { | |
171 if (gui_wait_for_chars(wtime) && !typebuf_changed(tb_change_cnt)) | |
172 retval = read_from_input_buf(buf, (long)maxlen); | |
173 } | |
174 #endif | |
175 #ifndef NO_CONSOLE | |
176 # ifdef FEAT_GUI | |
177 else | |
178 # endif | |
179 retval = mch_inchar(buf, maxlen, wtime, tb_change_cnt); | |
180 #endif | |
181 | |
182 ctrl_c_interrupts = TRUE; | |
183 | |
184 return retval; | |
185 } | |
186 | |
187 /* | |
188 * return non-zero if a character is available | |
189 */ | |
190 int | |
191 ui_char_avail() | |
192 { | |
193 #ifdef FEAT_GUI | |
194 if (gui.in_use) | |
195 { | |
196 gui_mch_update(); | |
197 return input_available(); | |
198 } | |
199 #endif | |
200 #ifndef NO_CONSOLE | |
201 # ifdef NO_CONSOLE_INPUT | |
202 if (no_console_input()) | |
203 return 0; | |
204 # endif | |
205 return mch_char_avail(); | |
206 #else | |
207 return 0; | |
208 #endif | |
209 } | |
210 | |
211 /* | |
212 * Delay for the given number of milliseconds. If ignoreinput is FALSE then we | |
213 * cancel the delay if a key is hit. | |
214 */ | |
215 void | |
216 ui_delay(msec, ignoreinput) | |
217 long msec; | |
218 int ignoreinput; | |
219 { | |
220 #ifdef FEAT_GUI | |
221 if (gui.in_use && !ignoreinput) | |
222 gui_wait_for_chars(msec); | |
223 else | |
224 #endif | |
225 mch_delay(msec, ignoreinput); | |
226 } | |
227 | |
228 /* | |
229 * If the machine has job control, use it to suspend the program, | |
230 * otherwise fake it by starting a new shell. | |
231 * When running the GUI iconify the window. | |
232 */ | |
233 void | |
234 ui_suspend() | |
235 { | |
236 #ifdef FEAT_GUI | |
237 if (gui.in_use) | |
238 { | |
239 gui_mch_iconify(); | |
240 return; | |
241 } | |
242 #endif | |
243 mch_suspend(); | |
244 } | |
245 | |
246 #if !defined(UNIX) || !defined(SIGTSTP) || defined(PROTO) || defined(__BEOS__) | |
247 /* | |
248 * When the OS can't really suspend, call this function to start a shell. | |
249 * This is never called in the GUI. | |
250 */ | |
251 void | |
252 suspend_shell() | |
253 { | |
254 if (*p_sh == NUL) | |
255 EMSG(_(e_shellempty)); | |
256 else | |
257 { | |
258 MSG_PUTS(_("new shell started\n")); | |
259 do_shell(NULL, 0); | |
260 } | |
261 } | |
262 #endif | |
263 | |
264 /* | |
265 * Try to get the current Vim shell size. Put the result in Rows and Columns. | |
266 * Use the new sizes as defaults for 'columns' and 'lines'. | |
267 * Return OK when size could be determined, FAIL otherwise. | |
268 */ | |
269 int | |
270 ui_get_shellsize() | |
271 { | |
272 int retval; | |
273 | |
274 #ifdef FEAT_GUI | |
275 if (gui.in_use) | |
276 retval = gui_get_shellsize(); | |
277 else | |
278 #endif | |
279 retval = mch_get_shellsize(); | |
280 | |
281 check_shellsize(); | |
282 | |
283 /* adjust the default for 'lines' and 'columns' */ | |
284 if (retval == OK) | |
285 { | |
286 set_number_default("lines", Rows); | |
287 set_number_default("columns", Columns); | |
288 } | |
289 return retval; | |
290 } | |
291 | |
292 /* | |
293 * Set the size of the Vim shell according to Rows and Columns, if possible. | |
294 * The gui_set_shellsize() or mch_set_shellsize() function will try to set the | |
295 * new size. If this is not possible, it will adjust Rows and Columns. | |
296 */ | |
297 /*ARGSUSED*/ | |
298 void | |
299 ui_set_shellsize(mustset) | |
300 int mustset; /* set by the user */ | |
301 { | |
302 #ifdef FEAT_GUI | |
303 if (gui.in_use) | |
304 gui_set_shellsize(mustset, | |
305 # ifdef WIN3264 | |
306 TRUE | |
307 # else | |
308 FALSE | |
309 # endif | |
310 ); | |
311 else | |
312 #endif | |
313 mch_set_shellsize(); | |
314 } | |
315 | |
316 /* | |
317 * Called when Rows and/or Columns changed. Adjust scroll region and mouse | |
318 * region. | |
319 */ | |
320 void | |
321 ui_new_shellsize() | |
322 { | |
323 if (full_screen && !exiting) | |
324 { | |
325 #ifdef FEAT_GUI | |
326 if (gui.in_use) | |
327 gui_new_shellsize(); | |
328 else | |
329 #endif | |
330 mch_new_shellsize(); | |
331 } | |
332 } | |
333 | |
334 void | |
335 ui_breakcheck() | |
336 { | |
337 #ifdef FEAT_GUI | |
338 if (gui.in_use) | |
339 gui_mch_update(); | |
340 else | |
341 #endif | |
342 mch_breakcheck(); | |
343 } | |
344 | |
345 /***************************************************************************** | |
346 * Functions for copying and pasting text between applications. | |
347 * This is always included in a GUI version, but may also be included when the | |
348 * clipboard and mouse is available to a terminal version such as xterm. | |
349 * Note: there are some more functions in ops.c that handle selection stuff. | |
350 * | |
351 * Also note that the majority of functions here deal with the X 'primary' | |
352 * (visible - for Visual mode use) selection, and only that. There are no | |
353 * versions of these for the 'clipboard' selection, as Visual mode has no use | |
354 * for them. | |
355 */ | |
356 | |
357 #if defined(FEAT_CLIPBOARD) || defined(PROTO) | |
358 | |
359 /* | |
360 * Selection stuff using Visual mode, for cutting and pasting text to other | |
361 * windows. | |
362 */ | |
363 | |
364 /* | |
365 * Call this to initialise the clipboard. Pass it FALSE if the clipboard code | |
366 * is included, but the clipboard can not be used, or TRUE if the clipboard can | |
367 * be used. Eg unix may call this with FALSE, then call it again with TRUE if | |
368 * the GUI starts. | |
369 */ | |
370 void | |
371 clip_init(can_use) | |
372 int can_use; | |
373 { | |
374 VimClipboard *cb; | |
375 | |
376 cb = &clip_star; | |
377 for (;;) | |
378 { | |
379 cb->available = can_use; | |
380 cb->owned = FALSE; | |
381 cb->start.lnum = 0; | |
382 cb->start.col = 0; | |
383 cb->end.lnum = 0; | |
384 cb->end.col = 0; | |
385 cb->state = SELECT_CLEARED; | |
386 | |
387 if (cb == &clip_plus) | |
388 break; | |
389 cb = &clip_plus; | |
390 } | |
391 } | |
392 | |
393 /* | |
394 * Check whether the VIsual area has changed, and if so try to become the owner | |
395 * of the selection, and free any old converted selection we may still have | |
396 * lying around. If the VIsual mode has ended, make a copy of what was | |
397 * selected so we can still give it to others. Will probably have to make sure | |
398 * this is called whenever VIsual mode is ended. | |
399 */ | |
400 void | |
401 clip_update_selection() | |
402 { | |
403 pos_T start, end; | |
404 | |
405 /* If visual mode is only due to a redo command ("."), then ignore it */ | |
406 if (!redo_VIsual_busy && VIsual_active && (State & NORMAL)) | |
407 { | |
408 if (lt(VIsual, curwin->w_cursor)) | |
409 { | |
410 start = VIsual; | |
411 end = curwin->w_cursor; | |
412 #ifdef FEAT_MBYTE | |
413 if (has_mbyte) | |
414 end.col += (*mb_ptr2len_check)(ml_get_cursor()) - 1; | |
415 #endif | |
416 } | |
417 else | |
418 { | |
419 start = curwin->w_cursor; | |
420 end = VIsual; | |
421 } | |
422 if (!equalpos(clip_star.start, start) | |
423 || !equalpos(clip_star.end, end) | |
424 || clip_star.vmode != VIsual_mode) | |
425 { | |
426 clip_clear_selection(); | |
427 clip_star.start = start; | |
428 clip_star.end = end; | |
429 clip_star.vmode = VIsual_mode; | |
430 clip_free_selection(&clip_star); | |
431 clip_own_selection(&clip_star); | |
432 clip_gen_set_selection(&clip_star); | |
433 } | |
434 } | |
435 } | |
436 | |
437 void | |
438 clip_own_selection(cbd) | |
439 VimClipboard *cbd; | |
440 { | |
441 /* | |
442 * Also want to check somehow that we are reading from the keyboard rather | |
443 * than a mapping etc. | |
444 */ | |
445 if (!cbd->owned && cbd->available) | |
446 { | |
447 cbd->owned = (clip_gen_own_selection(cbd) == OK); | |
448 #ifdef FEAT_X11 | |
449 if (cbd == &clip_star) | |
450 { | |
451 /* May have to show a different kind of highlighting for the selected | |
452 * area. There is no specific redraw command for this, just redraw | |
453 * all windows on the current buffer. */ | |
454 if (cbd->owned | |
455 && get_real_state() == VISUAL | |
456 && clip_isautosel() | |
457 && hl_attr(HLF_V) != hl_attr(HLF_VNC)) | |
458 redraw_curbuf_later(INVERTED_ALL); | |
459 } | |
460 #endif | |
461 } | |
462 } | |
463 | |
464 void | |
465 clip_lose_selection(cbd) | |
466 VimClipboard *cbd; | |
467 { | |
468 #ifdef FEAT_X11 | |
469 int was_owned = cbd->owned; | |
470 #endif | |
471 int visual_selection = (cbd == &clip_star); | |
472 | |
473 clip_free_selection(cbd); | |
474 cbd->owned = FALSE; | |
475 if (visual_selection) | |
476 clip_clear_selection(); | |
477 clip_gen_lose_selection(cbd); | |
478 #ifdef FEAT_X11 | |
479 if (visual_selection) | |
480 { | |
481 /* May have to show a different kind of highlighting for the selected | |
482 * area. There is no specific redraw command for this, just redraw all | |
483 * windows on the current buffer. */ | |
484 if (was_owned | |
485 && get_real_state() == VISUAL | |
486 && clip_isautosel() | |
487 && hl_attr(HLF_V) != hl_attr(HLF_VNC)) | |
488 { | |
489 update_curbuf(INVERTED_ALL); | |
490 setcursor(); | |
491 cursor_on(); | |
492 out_flush(); | |
493 # ifdef FEAT_GUI | |
494 if (gui.in_use) | |
495 gui_update_cursor(TRUE, FALSE); | |
496 # endif | |
497 } | |
498 } | |
499 #endif | |
500 } | |
501 | |
502 void | |
503 clip_copy_selection() | |
504 { | |
505 if (VIsual_active && (State & NORMAL) && clip_star.available) | |
506 { | |
507 if (clip_isautosel()) | |
508 clip_update_selection(); | |
509 clip_free_selection(&clip_star); | |
510 clip_own_selection(&clip_star); | |
511 if (clip_star.owned) | |
512 clip_get_selection(&clip_star); | |
513 clip_gen_set_selection(&clip_star); | |
514 } | |
515 } | |
516 | |
517 /* | |
518 * Called when Visual mode is ended: update the selection. | |
519 */ | |
520 void | |
521 clip_auto_select() | |
522 { | |
523 if (clip_isautosel()) | |
524 clip_copy_selection(); | |
525 } | |
526 | |
527 /* | |
528 * Return TRUE if automatic selection of Visual area is desired. | |
529 */ | |
530 int | |
531 clip_isautosel() | |
532 { | |
533 return ( | |
534 #ifdef FEAT_GUI | |
535 gui.in_use ? (vim_strchr(p_go, GO_ASEL) != NULL) : | |
536 #endif | |
537 clip_autoselect); | |
538 } | |
539 | |
540 | |
541 /* | |
542 * Stuff for general mouse selection, without using Visual mode. | |
543 */ | |
544 | |
545 static int clip_compare_pos __ARGS((int row1, int col1, int row2, int col2)); | |
546 static void clip_invert_area __ARGS((int, int, int, int, int how)); | |
547 static void clip_invert_rectangle __ARGS((int row, int col, int height, int width, int invert)); | |
548 static void clip_get_word_boundaries __ARGS((VimClipboard *, int, int)); | |
549 static int clip_get_line_end __ARGS((int)); | |
550 static void clip_update_modeless_selection __ARGS((VimClipboard *, int, int, | |
551 int, int)); | |
552 | |
553 /* flags for clip_invert_area() */ | |
554 #define CLIP_CLEAR 1 | |
555 #define CLIP_SET 2 | |
556 #define CLIP_TOGGLE 3 | |
557 | |
558 /* | |
559 * Start, continue or end a modeless selection. Used when editing the | |
560 * command-line and in the cmdline window. | |
561 */ | |
562 void | |
563 clip_modeless(button, is_click, is_drag) | |
564 int button; | |
565 int is_click; | |
566 int is_drag; | |
567 { | |
568 int repeat; | |
569 | |
570 repeat = ((clip_star.mode == SELECT_MODE_CHAR | |
571 || clip_star.mode == SELECT_MODE_LINE) | |
572 && (mod_mask & MOD_MASK_2CLICK)) | |
573 || (clip_star.mode == SELECT_MODE_WORD | |
574 && (mod_mask & MOD_MASK_3CLICK)); | |
575 if (is_click && button == MOUSE_RIGHT) | |
576 { | |
577 /* Right mouse button: If there was no selection, start one. | |
578 * Otherwise extend the existing selection. */ | |
579 if (clip_star.state == SELECT_CLEARED) | |
580 clip_start_selection(mouse_col, mouse_row, FALSE); | |
581 clip_process_selection(button, mouse_col, mouse_row, repeat); | |
582 } | |
583 else if (is_click) | |
584 clip_start_selection(mouse_col, mouse_row, repeat); | |
585 else if (is_drag) | |
586 { | |
587 /* Don't try extending a selection if there isn't one. Happens when | |
588 * button-down is in the cmdline and them moving mouse upwards. */ | |
589 if (clip_star.state != SELECT_CLEARED) | |
590 clip_process_selection(button, mouse_col, mouse_row, repeat); | |
591 } | |
592 else /* release */ | |
593 clip_process_selection(MOUSE_RELEASE, mouse_col, mouse_row, FALSE); | |
594 } | |
595 | |
596 /* | |
597 * Compare two screen positions ala strcmp() | |
598 */ | |
599 static int | |
600 clip_compare_pos(row1, col1, row2, col2) | |
601 int row1; | |
602 int col1; | |
603 int row2; | |
604 int col2; | |
605 { | |
606 if (row1 > row2) return(1); | |
607 if (row1 < row2) return(-1); | |
608 if (col1 > col2) return(1); | |
609 if (col1 < col2) return(-1); | |
610 return(0); | |
611 } | |
612 | |
613 /* | |
614 * Start the selection | |
615 */ | |
616 void | |
617 clip_start_selection(col, row, repeated_click) | |
618 int col; | |
619 int row; | |
620 int repeated_click; | |
621 { | |
622 VimClipboard *cb = &clip_star; | |
623 | |
624 if (cb->state == SELECT_DONE) | |
625 clip_clear_selection(); | |
626 | |
627 row = check_row(row); | |
628 col = check_col(col); | |
629 #ifdef FEAT_MBYTE | |
630 col = mb_fix_col(col, row); | |
631 #endif | |
632 | |
633 cb->start.lnum = row; | |
634 cb->start.col = col; | |
635 cb->end = cb->start; | |
636 cb->origin_row = (short_u)cb->start.lnum; | |
637 cb->state = SELECT_IN_PROGRESS; | |
638 | |
639 if (repeated_click) | |
640 { | |
641 if (++cb->mode > SELECT_MODE_LINE) | |
642 cb->mode = SELECT_MODE_CHAR; | |
643 } | |
644 else | |
645 cb->mode = SELECT_MODE_CHAR; | |
646 | |
647 #ifdef FEAT_GUI | |
648 /* clear the cursor until the selection is made */ | |
649 if (gui.in_use) | |
650 gui_undraw_cursor(); | |
651 #endif | |
652 | |
653 switch (cb->mode) | |
654 { | |
655 case SELECT_MODE_CHAR: | |
656 cb->origin_start_col = cb->start.col; | |
657 cb->word_end_col = clip_get_line_end((int)cb->start.lnum); | |
658 break; | |
659 | |
660 case SELECT_MODE_WORD: | |
661 clip_get_word_boundaries(cb, (int)cb->start.lnum, cb->start.col); | |
662 cb->origin_start_col = cb->word_start_col; | |
663 cb->origin_end_col = cb->word_end_col; | |
664 | |
665 clip_invert_area((int)cb->start.lnum, cb->word_start_col, | |
666 (int)cb->end.lnum, cb->word_end_col, CLIP_SET); | |
667 cb->start.col = cb->word_start_col; | |
668 cb->end.col = cb->word_end_col; | |
669 break; | |
670 | |
671 case SELECT_MODE_LINE: | |
672 clip_invert_area((int)cb->start.lnum, 0, (int)cb->start.lnum, | |
673 (int)Columns, CLIP_SET); | |
674 cb->start.col = 0; | |
675 cb->end.col = Columns; | |
676 break; | |
677 } | |
678 | |
679 cb->prev = cb->start; | |
680 | |
681 #ifdef DEBUG_SELECTION | |
682 printf("Selection started at (%u,%u)\n", cb->start.lnum, cb->start.col); | |
683 #endif | |
684 } | |
685 | |
686 /* | |
687 * Continue processing the selection | |
688 */ | |
689 void | |
690 clip_process_selection(button, col, row, repeated_click) | |
691 int button; | |
692 int col; | |
693 int row; | |
694 int_u repeated_click; | |
695 { | |
696 VimClipboard *cb = &clip_star; | |
697 int diff; | |
698 int slen = 1; /* cursor shape width */ | |
699 | |
700 if (button == MOUSE_RELEASE) | |
701 { | |
702 /* Check to make sure we have something selected */ | |
703 if (cb->start.lnum == cb->end.lnum && cb->start.col == cb->end.col) | |
704 { | |
705 #ifdef FEAT_GUI | |
706 if (gui.in_use) | |
707 gui_update_cursor(FALSE, FALSE); | |
708 #endif | |
709 cb->state = SELECT_CLEARED; | |
710 return; | |
711 } | |
712 | |
713 #ifdef DEBUG_SELECTION | |
714 printf("Selection ended: (%u,%u) to (%u,%u)\n", cb->start.lnum, | |
715 cb->start.col, cb->end.lnum, cb->end.col); | |
716 #endif | |
717 if (clip_isautosel() | |
718 || ( | |
719 #ifdef FEAT_GUI | |
720 gui.in_use ? (vim_strchr(p_go, GO_ASELML) != NULL) : | |
721 #endif | |
722 clip_autoselectml)) | |
723 clip_copy_modeless_selection(FALSE); | |
724 #ifdef FEAT_GUI | |
725 if (gui.in_use) | |
726 gui_update_cursor(FALSE, FALSE); | |
727 #endif | |
728 | |
729 cb->state = SELECT_DONE; | |
730 return; | |
731 } | |
732 | |
733 row = check_row(row); | |
734 col = check_col(col); | |
735 #ifdef FEAT_MBYTE | |
736 col = mb_fix_col(col, row); | |
737 #endif | |
738 | |
739 if (col == (int)cb->prev.col && row == cb->prev.lnum && !repeated_click) | |
740 return; | |
741 | |
742 /* | |
743 * When extending the selection with the right mouse button, swap the | |
744 * start and end if the position is before half the selection | |
745 */ | |
746 if (cb->state == SELECT_DONE && button == MOUSE_RIGHT) | |
747 { | |
748 /* | |
749 * If the click is before the start, or the click is inside the | |
750 * selection and the start is the closest side, set the origin to the | |
751 * end of the selection. | |
752 */ | |
753 if (clip_compare_pos(row, col, (int)cb->start.lnum, cb->start.col) < 0 | |
754 || (clip_compare_pos(row, col, | |
755 (int)cb->end.lnum, cb->end.col) < 0 | |
756 && (((cb->start.lnum == cb->end.lnum | |
757 && cb->end.col - col > col - cb->start.col)) | |
758 || ((diff = (cb->end.lnum - row) - | |
759 (row - cb->start.lnum)) > 0 | |
760 || (diff == 0 && col < (int)(cb->start.col + | |
761 cb->end.col) / 2))))) | |
762 { | |
763 cb->origin_row = (short_u)cb->end.lnum; | |
764 cb->origin_start_col = cb->end.col - 1; | |
765 cb->origin_end_col = cb->end.col; | |
766 } | |
767 else | |
768 { | |
769 cb->origin_row = (short_u)cb->start.lnum; | |
770 cb->origin_start_col = cb->start.col; | |
771 cb->origin_end_col = cb->start.col; | |
772 } | |
773 if (cb->mode == SELECT_MODE_WORD && !repeated_click) | |
774 cb->mode = SELECT_MODE_CHAR; | |
775 } | |
776 | |
777 /* set state, for when using the right mouse button */ | |
778 cb->state = SELECT_IN_PROGRESS; | |
779 | |
780 #ifdef DEBUG_SELECTION | |
781 printf("Selection extending to (%d,%d)\n", row, col); | |
782 #endif | |
783 | |
784 if (repeated_click && ++cb->mode > SELECT_MODE_LINE) | |
785 cb->mode = SELECT_MODE_CHAR; | |
786 | |
787 switch (cb->mode) | |
788 { | |
789 case SELECT_MODE_CHAR: | |
790 /* If we're on a different line, find where the line ends */ | |
791 if (row != cb->prev.lnum) | |
792 cb->word_end_col = clip_get_line_end(row); | |
793 | |
794 /* See if we are before or after the origin of the selection */ | |
795 if (clip_compare_pos(row, col, cb->origin_row, | |
796 cb->origin_start_col) >= 0) | |
797 { | |
798 if (col >= (int)cb->word_end_col) | |
799 clip_update_modeless_selection(cb, cb->origin_row, | |
800 cb->origin_start_col, row, (int)Columns); | |
801 else | |
802 { | |
803 #ifdef FEAT_MBYTE | |
804 if (has_mbyte && mb_lefthalve(row, col)) | |
805 slen = 2; | |
806 #endif | |
807 clip_update_modeless_selection(cb, cb->origin_row, | |
808 cb->origin_start_col, row, col + slen); | |
809 } | |
810 } | |
811 else | |
812 { | |
813 #ifdef FEAT_MBYTE | |
814 if (has_mbyte | |
815 && mb_lefthalve(cb->origin_row, cb->origin_start_col)) | |
816 slen = 2; | |
817 #endif | |
818 if (col >= (int)cb->word_end_col) | |
819 clip_update_modeless_selection(cb, row, cb->word_end_col, | |
820 cb->origin_row, cb->origin_start_col + slen); | |
821 else | |
822 clip_update_modeless_selection(cb, row, col, | |
823 cb->origin_row, cb->origin_start_col + slen); | |
824 } | |
825 break; | |
826 | |
827 case SELECT_MODE_WORD: | |
828 /* If we are still within the same word, do nothing */ | |
829 if (row == cb->prev.lnum && col >= (int)cb->word_start_col | |
830 && col < (int)cb->word_end_col && !repeated_click) | |
831 return; | |
832 | |
833 /* Get new word boundaries */ | |
834 clip_get_word_boundaries(cb, row, col); | |
835 | |
836 /* Handle being after the origin point of selection */ | |
837 if (clip_compare_pos(row, col, cb->origin_row, | |
838 cb->origin_start_col) >= 0) | |
839 clip_update_modeless_selection(cb, cb->origin_row, | |
840 cb->origin_start_col, row, cb->word_end_col); | |
841 else | |
842 clip_update_modeless_selection(cb, row, cb->word_start_col, | |
843 cb->origin_row, cb->origin_end_col); | |
844 break; | |
845 | |
846 case SELECT_MODE_LINE: | |
847 if (row == cb->prev.lnum && !repeated_click) | |
848 return; | |
849 | |
850 if (clip_compare_pos(row, col, cb->origin_row, | |
851 cb->origin_start_col) >= 0) | |
852 clip_update_modeless_selection(cb, cb->origin_row, 0, row, | |
853 (int)Columns); | |
854 else | |
855 clip_update_modeless_selection(cb, row, 0, cb->origin_row, | |
856 (int)Columns); | |
857 break; | |
858 } | |
859 | |
860 cb->prev.lnum = row; | |
861 cb->prev.col = col; | |
862 | |
863 #ifdef DEBUG_SELECTION | |
864 printf("Selection is: (%u,%u) to (%u,%u)\n", cb->start.lnum, | |
865 cb->start.col, cb->end.lnum, cb->end.col); | |
866 #endif | |
867 } | |
868 | |
869 #if 0 /* not used */ | |
870 /* | |
871 * Called after an Expose event to redraw the selection | |
872 */ | |
873 void | |
874 clip_redraw_selection(x, y, w, h) | |
875 int x; | |
876 int y; | |
877 int w; | |
878 int h; | |
879 { | |
880 VimClipboard *cb = &clip_star; | |
881 int row1, col1, row2, col2; | |
882 int row; | |
883 int start; | |
884 int end; | |
885 | |
886 if (cb->state == SELECT_CLEARED) | |
887 return; | |
888 | |
889 row1 = check_row(Y_2_ROW(y)); | |
890 col1 = check_col(X_2_COL(x)); | |
891 row2 = check_row(Y_2_ROW(y + h - 1)); | |
892 col2 = check_col(X_2_COL(x + w - 1)); | |
893 | |
894 /* Limit the rows that need to be re-drawn */ | |
895 if (cb->start.lnum > row1) | |
896 row1 = cb->start.lnum; | |
897 if (cb->end.lnum < row2) | |
898 row2 = cb->end.lnum; | |
899 | |
900 /* Look at each row that might need to be re-drawn */ | |
901 for (row = row1; row <= row2; row++) | |
902 { | |
903 /* For the first selection row, use the starting selection column */ | |
904 if (row == cb->start.lnum) | |
905 start = cb->start.col; | |
906 else | |
907 start = 0; | |
908 | |
909 /* For the last selection row, use the ending selection column */ | |
910 if (row == cb->end.lnum) | |
911 end = cb->end.col; | |
912 else | |
913 end = Columns; | |
914 | |
915 if (col1 > start) | |
916 start = col1; | |
917 | |
918 if (col2 < end) | |
919 end = col2 + 1; | |
920 | |
921 if (end > start) | |
922 gui_mch_invert_rectangle(row, start, 1, end - start); | |
923 } | |
924 } | |
925 #endif | |
926 | |
927 # if defined(FEAT_GUI) || defined(PROTO) | |
928 /* | |
929 * Redraw part of the selection if character at "row,col" is inside of it. | |
930 * Only used for the GUI. | |
931 */ | |
932 void | |
933 clip_may_redraw_selection(row, col, len) | |
934 int row, col; | |
935 int len; | |
936 { | |
937 int start = col; | |
938 int end = col + len; | |
939 | |
940 if (clip_star.state != SELECT_CLEARED | |
941 && row >= clip_star.start.lnum | |
942 && row <= clip_star.end.lnum) | |
943 { | |
944 if (row == clip_star.start.lnum && start < (int)clip_star.start.col) | |
945 start = clip_star.start.col; | |
946 if (row == clip_star.end.lnum && end > (int)clip_star.end.col) | |
947 end = clip_star.end.col; | |
948 if (end > start) | |
949 clip_invert_area(row, start, row, end, 0); | |
950 } | |
951 } | |
952 # endif | |
953 | |
954 /* | |
955 * Called from outside to clear selected region from the display | |
956 */ | |
957 void | |
958 clip_clear_selection() | |
959 { | |
960 VimClipboard *cb = &clip_star; | |
961 | |
962 if (cb->state == SELECT_CLEARED) | |
963 return; | |
964 | |
965 clip_invert_area((int)cb->start.lnum, cb->start.col, (int)cb->end.lnum, | |
966 cb->end.col, CLIP_CLEAR); | |
967 cb->state = SELECT_CLEARED; | |
968 } | |
969 | |
970 /* | |
971 * Clear the selection if any lines from "row1" to "row2" are inside of it. | |
972 */ | |
973 void | |
974 clip_may_clear_selection(row1, row2) | |
975 int row1, row2; | |
976 { | |
977 if (clip_star.state == SELECT_DONE | |
978 && row2 >= clip_star.start.lnum | |
979 && row1 <= clip_star.end.lnum) | |
980 clip_clear_selection(); | |
981 } | |
982 | |
983 /* | |
984 * Called before the screen is scrolled up or down. Adjusts the line numbers | |
985 * of the selection. Call with big number when clearing the screen. | |
986 */ | |
987 void | |
988 clip_scroll_selection(rows) | |
989 int rows; /* negative for scroll down */ | |
990 { | |
991 int lnum; | |
992 | |
993 if (clip_star.state == SELECT_CLEARED) | |
994 return; | |
995 | |
996 lnum = clip_star.start.lnum - rows; | |
997 if (lnum <= 0) | |
998 clip_star.start.lnum = 0; | |
999 else if (lnum >= screen_Rows) /* scrolled off of the screen */ | |
1000 clip_star.state = SELECT_CLEARED; | |
1001 else | |
1002 clip_star.start.lnum = lnum; | |
1003 | |
1004 lnum = clip_star.end.lnum - rows; | |
1005 if (lnum < 0) /* scrolled off of the screen */ | |
1006 clip_star.state = SELECT_CLEARED; | |
1007 else if (lnum >= screen_Rows) | |
1008 clip_star.end.lnum = screen_Rows - 1; | |
1009 else | |
1010 clip_star.end.lnum = lnum; | |
1011 } | |
1012 | |
1013 /* | |
1014 * Invert a region of the display between a starting and ending row and column | |
1015 * Values for "how": | |
1016 * CLIP_CLEAR: undo inversion | |
1017 * CLIP_SET: set inversion | |
1018 * CLIP_TOGGLE: set inversion if pos1 < pos2, undo inversion otherwise. | |
1019 * 0: invert (GUI only). | |
1020 */ | |
1021 static void | |
1022 clip_invert_area(row1, col1, row2, col2, how) | |
1023 int row1; | |
1024 int col1; | |
1025 int row2; | |
1026 int col2; | |
1027 int how; | |
1028 { | |
1029 int invert = FALSE; | |
1030 | |
1031 if (how == CLIP_SET) | |
1032 invert = TRUE; | |
1033 | |
1034 /* Swap the from and to positions so the from is always before */ | |
1035 if (clip_compare_pos(row1, col1, row2, col2) > 0) | |
1036 { | |
1037 int tmp_row, tmp_col; | |
1038 | |
1039 tmp_row = row1; | |
1040 tmp_col = col1; | |
1041 row1 = row2; | |
1042 col1 = col2; | |
1043 row2 = tmp_row; | |
1044 col2 = tmp_col; | |
1045 } | |
1046 else if (how == CLIP_TOGGLE) | |
1047 invert = TRUE; | |
1048 | |
1049 /* If all on the same line, do it the easy way */ | |
1050 if (row1 == row2) | |
1051 { | |
1052 clip_invert_rectangle(row1, col1, 1, col2 - col1, invert); | |
1053 } | |
1054 else | |
1055 { | |
1056 /* Handle a piece of the first line */ | |
1057 if (col1 > 0) | |
1058 { | |
1059 clip_invert_rectangle(row1, col1, 1, (int)Columns - col1, invert); | |
1060 row1++; | |
1061 } | |
1062 | |
1063 /* Handle a piece of the last line */ | |
1064 if (col2 < Columns - 1) | |
1065 { | |
1066 clip_invert_rectangle(row2, 0, 1, col2, invert); | |
1067 row2--; | |
1068 } | |
1069 | |
1070 /* Handle the rectangle thats left */ | |
1071 if (row2 >= row1) | |
1072 clip_invert_rectangle(row1, 0, row2 - row1 + 1, (int)Columns, | |
1073 invert); | |
1074 } | |
1075 } | |
1076 | |
1077 /* | |
1078 * Invert or un-invert a rectangle of the screen. | |
1079 * "invert" is true if the result is inverted. | |
1080 */ | |
1081 static void | |
1082 clip_invert_rectangle(row, col, height, width, invert) | |
1083 int row; | |
1084 int col; | |
1085 int height; | |
1086 int width; | |
1087 int invert; | |
1088 { | |
1089 #ifdef FEAT_GUI | |
1090 if (gui.in_use) | |
1091 gui_mch_invert_rectangle(row, col, height, width); | |
1092 else | |
1093 #endif | |
1094 screen_draw_rectangle(row, col, height, width, invert); | |
1095 } | |
1096 | |
1097 /* | |
1098 * Copy the currently selected area into the '*' register so it will be | |
1099 * available for pasting. | |
1100 * When "both" is TRUE also copy to the '+' register. | |
1101 */ | |
1102 /*ARGSUSED*/ | |
1103 void | |
1104 clip_copy_modeless_selection(both) | |
1105 int both; | |
1106 { | |
1107 char_u *buffer; | |
1108 char_u *bufp; | |
1109 int row; | |
1110 int start_col; | |
1111 int end_col; | |
1112 int line_end_col; | |
1113 int add_newline_flag = FALSE; | |
1114 int len; | |
1115 #ifdef FEAT_MBYTE | |
1116 char_u *p; | |
1117 int i; | |
1118 #endif | |
1119 int row1 = clip_star.start.lnum; | |
1120 int col1 = clip_star.start.col; | |
1121 int row2 = clip_star.end.lnum; | |
1122 int col2 = clip_star.end.col; | |
1123 | |
1124 /* | |
1125 * Make sure row1 <= row2, and if row1 == row2 that col1 <= col2. | |
1126 */ | |
1127 if (row1 > row2) | |
1128 { | |
1129 row = row1; row1 = row2; row2 = row; | |
1130 row = col1; col1 = col2; col2 = row; | |
1131 } | |
1132 else if (row1 == row2 && col1 > col2) | |
1133 { | |
1134 row = col1; col1 = col2; col2 = row; | |
1135 } | |
1136 #ifdef FEAT_MBYTE | |
1137 /* correct starting point for being on right halve of double-wide char */ | |
1138 p = ScreenLines + LineOffset[row1]; | |
1139 if (enc_dbcs != 0) | |
1140 col1 -= (*mb_head_off)(p, p + col1); | |
1141 else if (enc_utf8 && p[col1] == 0) | |
1142 --col1; | |
1143 #endif | |
1144 | |
1145 /* Create a temporary buffer for storing the text */ | |
1146 len = (row2 - row1 + 1) * Columns + 1; | |
1147 #ifdef FEAT_MBYTE | |
1148 if (enc_dbcs != 0) | |
1149 len *= 2; /* max. 2 bytes per display cell */ | |
1150 else if (enc_utf8) | |
1151 len *= 9; /* max. 3 bytes per display cell + 2 composing chars */ | |
1152 #endif | |
1153 buffer = lalloc((long_u)len, TRUE); | |
1154 if (buffer == NULL) /* out of memory */ | |
1155 return; | |
1156 | |
1157 /* Process each row in the selection */ | |
1158 for (bufp = buffer, row = row1; row <= row2; row++) | |
1159 { | |
1160 if (row == row1) | |
1161 start_col = col1; | |
1162 else | |
1163 start_col = 0; | |
1164 | |
1165 if (row == row2) | |
1166 end_col = col2; | |
1167 else | |
1168 end_col = Columns; | |
1169 | |
1170 line_end_col = clip_get_line_end(row); | |
1171 | |
1172 /* See if we need to nuke some trailing whitespace */ | |
1173 if (end_col >= Columns && (row < row2 || end_col > line_end_col)) | |
1174 { | |
1175 /* Get rid of trailing whitespace */ | |
1176 end_col = line_end_col; | |
1177 if (end_col < start_col) | |
1178 end_col = start_col; | |
1179 | |
1180 /* If the last line extended to the end, add an extra newline */ | |
1181 if (row == row2) | |
1182 add_newline_flag = TRUE; | |
1183 } | |
1184 | |
1185 /* If after the first row, we need to always add a newline */ | |
1186 if (row > row1 && !LineWraps[row - 1]) | |
1187 *bufp++ = NL; | |
1188 | |
1189 if (row < screen_Rows && end_col <= screen_Columns) | |
1190 { | |
1191 #ifdef FEAT_MBYTE | |
1192 if (enc_dbcs != 0) | |
1193 { | |
1194 p = ScreenLines + LineOffset[row]; | |
1195 for (i = start_col; i < end_col; ++i) | |
1196 if (enc_dbcs == DBCS_JPNU && p[i] == 0x8e) | |
1197 { | |
1198 /* single-width double-byte char */ | |
1199 *bufp++ = 0x8e; | |
1200 *bufp++ = ScreenLines2[LineOffset[row] + i]; | |
1201 } | |
1202 else | |
1203 { | |
1204 *bufp++ = p[i]; | |
1205 if (MB_BYTE2LEN(p[i]) == 2) | |
1206 *bufp++ = p[++i]; | |
1207 } | |
1208 } | |
1209 else if (enc_utf8) | |
1210 { | |
1211 int off; | |
1212 | |
1213 off = LineOffset[row]; | |
1214 for (i = start_col; i < end_col; ++i) | |
1215 { | |
1216 /* The base character is either in ScreenLinesUC[] or | |
1217 * ScreenLines[]. */ | |
1218 if (ScreenLinesUC[off + i] == 0) | |
1219 *bufp++ = ScreenLines[off + i]; | |
1220 else | |
1221 { | |
1222 bufp += utf_char2bytes(ScreenLinesUC[off + i], bufp); | |
1223 if (ScreenLinesC1[off + i] != 0) | |
1224 { | |
1225 /* Add one or two composing characters. */ | |
1226 bufp += utf_char2bytes(ScreenLinesC1[off + i], | |
1227 bufp); | |
1228 if (ScreenLinesC2[off + i] != 0) | |
1229 bufp += utf_char2bytes(ScreenLinesC2[off + i], | |
1230 bufp); | |
1231 } | |
1232 } | |
1233 /* Skip right halve of double-wide character. */ | |
1234 if (ScreenLines[off + i + 1] == 0) | |
1235 ++i; | |
1236 } | |
1237 } | |
1238 else | |
1239 #endif | |
1240 { | |
1241 STRNCPY(bufp, ScreenLines + LineOffset[row] + start_col, | |
1242 end_col - start_col); | |
1243 bufp += end_col - start_col; | |
1244 } | |
1245 } | |
1246 } | |
1247 | |
1248 /* Add a newline at the end if the selection ended there */ | |
1249 if (add_newline_flag) | |
1250 *bufp++ = NL; | |
1251 | |
1252 /* First cleanup any old selection and become the owner. */ | |
1253 clip_free_selection(&clip_star); | |
1254 clip_own_selection(&clip_star); | |
1255 | |
1256 /* Yank the text into the '*' register. */ | |
1257 clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_star); | |
1258 | |
1259 /* Make the register contents available to the outside world. */ | |
1260 clip_gen_set_selection(&clip_star); | |
1261 | |
1262 #ifdef FEAT_X11 | |
1263 if (both) | |
1264 { | |
1265 /* Do the same for the '+' register. */ | |
1266 clip_free_selection(&clip_plus); | |
1267 clip_own_selection(&clip_plus); | |
1268 clip_yank_selection(MCHAR, buffer, (long)(bufp - buffer), &clip_plus); | |
1269 clip_gen_set_selection(&clip_plus); | |
1270 } | |
1271 #endif | |
1272 vim_free(buffer); | |
1273 } | |
1274 | |
1275 /* | |
1276 * Find the starting and ending positions of the word at the given row and | |
1277 * column. Only white-separated words are recognized here. | |
1278 */ | |
1279 #define CHAR_CLASS(c) (c <= ' ' ? ' ' : vim_iswordc(c)) | |
1280 | |
1281 static void | |
1282 clip_get_word_boundaries(cb, row, col) | |
1283 VimClipboard *cb; | |
1284 int row; | |
1285 int col; | |
1286 { | |
1287 int start_class; | |
1288 int temp_col; | |
1289 char_u *p; | |
1290 #ifdef FEAT_MBYTE | |
1291 int mboff; | |
1292 #endif | |
1293 | |
1294 if (row >= screen_Rows || col >= screen_Columns) | |
1295 return; | |
1296 | |
1297 p = ScreenLines + LineOffset[row]; | |
1298 #ifdef FEAT_MBYTE | |
1299 /* Correct for starting in the right halve of a double-wide char */ | |
1300 if (enc_dbcs != 0) | |
1301 col -= dbcs_screen_head_off(p, p + col); | |
1302 else if (enc_utf8 && p[col] == 0) | |
1303 --col; | |
1304 #endif | |
1305 start_class = CHAR_CLASS(p[col]); | |
1306 | |
1307 temp_col = col; | |
1308 for ( ; temp_col > 0; temp_col--) | |
1309 #ifdef FEAT_MBYTE | |
1310 if (enc_dbcs != 0 | |
1311 && (mboff = dbcs_screen_head_off(p, p + temp_col - 1)) > 0) | |
1312 temp_col -= mboff; | |
1313 else | |
1314 #endif | |
1315 if (CHAR_CLASS(p[temp_col - 1]) != start_class | |
1316 #ifdef FEAT_MBYTE | |
1317 && !(enc_utf8 && p[temp_col - 1] == 0) | |
1318 #endif | |
1319 ) | |
1320 break; | |
1321 cb->word_start_col = temp_col; | |
1322 | |
1323 temp_col = col; | |
1324 for ( ; temp_col < screen_Columns; temp_col++) | |
1325 #ifdef FEAT_MBYTE | |
1326 if (enc_dbcs != 0 && dbcs_ptr2cells(p + temp_col) == 2) | |
1327 ++temp_col; | |
1328 else | |
1329 #endif | |
1330 if (CHAR_CLASS(p[temp_col]) != start_class | |
1331 #ifdef FEAT_MBYTE | |
1332 && !(enc_utf8 && p[temp_col] == 0) | |
1333 #endif | |
1334 ) | |
1335 break; | |
1336 cb->word_end_col = temp_col; | |
1337 } | |
1338 | |
1339 /* | |
1340 * Find the column position for the last non-whitespace character on the given | |
1341 * line. | |
1342 */ | |
1343 static int | |
1344 clip_get_line_end(row) | |
1345 int row; | |
1346 { | |
1347 int i; | |
1348 | |
1349 if (row >= screen_Rows) | |
1350 return 0; | |
1351 for (i = screen_Columns; i > 0; i--) | |
1352 if (ScreenLines[LineOffset[row] + i - 1] != ' ') | |
1353 break; | |
1354 return i; | |
1355 } | |
1356 | |
1357 /* | |
1358 * Update the currently selected region by adding and/or subtracting from the | |
1359 * beginning or end and inverting the changed area(s). | |
1360 */ | |
1361 static void | |
1362 clip_update_modeless_selection(cb, row1, col1, row2, col2) | |
1363 VimClipboard *cb; | |
1364 int row1; | |
1365 int col1; | |
1366 int row2; | |
1367 int col2; | |
1368 { | |
1369 /* See if we changed at the beginning of the selection */ | |
1370 if (row1 != cb->start.lnum || col1 != (int)cb->start.col) | |
1371 { | |
1372 clip_invert_area(row1, col1, (int)cb->start.lnum, cb->start.col, | |
1373 CLIP_TOGGLE); | |
1374 cb->start.lnum = row1; | |
1375 cb->start.col = col1; | |
1376 } | |
1377 | |
1378 /* See if we changed at the end of the selection */ | |
1379 if (row2 != cb->end.lnum || col2 != (int)cb->end.col) | |
1380 { | |
1381 clip_invert_area((int)cb->end.lnum, cb->end.col, row2, col2, | |
1382 CLIP_TOGGLE); | |
1383 cb->end.lnum = row2; | |
1384 cb->end.col = col2; | |
1385 } | |
1386 } | |
1387 | |
1388 int | |
1389 clip_gen_own_selection(cbd) | |
1390 VimClipboard *cbd; | |
1391 { | |
1392 #ifdef FEAT_XCLIPBOARD | |
1393 # ifdef FEAT_GUI | |
1394 if (gui.in_use) | |
1395 return clip_mch_own_selection(cbd); | |
1396 else | |
1397 # endif | |
1398 return clip_xterm_own_selection(cbd); | |
1399 #else | |
1400 return clip_mch_own_selection(cbd); | |
1401 #endif | |
1402 } | |
1403 | |
1404 void | |
1405 clip_gen_lose_selection(cbd) | |
1406 VimClipboard *cbd; | |
1407 { | |
1408 #ifdef FEAT_XCLIPBOARD | |
1409 # ifdef FEAT_GUI | |
1410 if (gui.in_use) | |
1411 clip_mch_lose_selection(cbd); | |
1412 else | |
1413 # endif | |
1414 clip_xterm_lose_selection(cbd); | |
1415 #else | |
1416 clip_mch_lose_selection(cbd); | |
1417 #endif | |
1418 } | |
1419 | |
1420 void | |
1421 clip_gen_set_selection(cbd) | |
1422 VimClipboard *cbd; | |
1423 { | |
1424 #ifdef FEAT_XCLIPBOARD | |
1425 # ifdef FEAT_GUI | |
1426 if (gui.in_use) | |
1427 clip_mch_set_selection(cbd); | |
1428 else | |
1429 # endif | |
1430 clip_xterm_set_selection(cbd); | |
1431 #else | |
1432 clip_mch_set_selection(cbd); | |
1433 #endif | |
1434 } | |
1435 | |
1436 void | |
1437 clip_gen_request_selection(cbd) | |
1438 VimClipboard *cbd; | |
1439 { | |
1440 #ifdef FEAT_XCLIPBOARD | |
1441 # ifdef FEAT_GUI | |
1442 if (gui.in_use) | |
1443 clip_mch_request_selection(cbd); | |
1444 else | |
1445 # endif | |
1446 clip_xterm_request_selection(cbd); | |
1447 #else | |
1448 clip_mch_request_selection(cbd); | |
1449 #endif | |
1450 } | |
1451 | |
1452 #endif /* FEAT_CLIPBOARD */ | |
1453 | |
1454 /***************************************************************************** | |
1455 * Functions that handle the input buffer. | |
1456 * This is used for any GUI version, and the unix terminal version. | |
1457 * | |
1458 * For Unix, the input characters are buffered to be able to check for a | |
1459 * CTRL-C. This should be done with signals, but I don't know how to do that | |
1460 * in a portable way for a tty in RAW mode. | |
1461 * | |
1462 * For the client-server code in the console the received keys are put in the | |
1463 * input buffer. | |
1464 */ | |
1465 | |
1466 #if defined(USE_INPUT_BUF) || defined(PROTO) | |
1467 | |
1468 /* | |
1469 * Internal typeahead buffer. Includes extra space for long key code | |
1470 * descriptions which would otherwise overflow. The buffer is considered full | |
1471 * when only this extra space (or part of it) remains. | |
1472 */ | |
1473 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ | |
1474 || defined(FEAT_CLIENTSERVER) | |
1475 /* | |
1476 * Sun WorkShop and NetBeans stuff debugger commands into the input buffer. | |
1477 * This requires a larger buffer... | |
1478 * (Madsen) Go with this for remote input as well ... | |
1479 */ | |
1480 # define INBUFLEN 4096 | |
1481 #else | |
1482 # define INBUFLEN 250 | |
1483 #endif | |
1484 | |
1485 static char_u inbuf[INBUFLEN + MAX_KEY_CODE_LEN]; | |
1486 static int inbufcount = 0; /* number of chars in inbuf[] */ | |
1487 | |
1488 /* | |
1489 * vim_is_input_buf_full(), vim_is_input_buf_empty(), add_to_input_buf(), and | |
1490 * trash_input_buf() are functions for manipulating the input buffer. These | |
1491 * are used by the gui_* calls when a GUI is used to handle keyboard input. | |
1492 */ | |
1493 | |
1494 int | |
1495 vim_is_input_buf_full() | |
1496 { | |
1497 return (inbufcount >= INBUFLEN); | |
1498 } | |
1499 | |
1500 int | |
1501 vim_is_input_buf_empty() | |
1502 { | |
1503 return (inbufcount == 0); | |
1504 } | |
1505 | |
1506 #if defined(FEAT_OLE) || defined(PROTO) | |
1507 int | |
1508 vim_free_in_input_buf() | |
1509 { | |
1510 return (INBUFLEN - inbufcount); | |
1511 } | |
1512 #endif | |
1513 | |
1514 #if defined(FEAT_GUI_GTK) || defined(PROTO) | |
1515 int | |
1516 vim_used_in_input_buf() | |
1517 { | |
1518 return inbufcount; | |
1519 } | |
1520 #endif | |
1521 | |
1522 #if defined(FEAT_EVAL) || defined(FEAT_EX_EXTRA) || defined(PROTO) | |
1523 /* | |
1524 * Return the current contents of the input buffer and make it empty. | |
1525 * The returned pointer must be passed to set_input_buf() later. | |
1526 */ | |
1527 char_u * | |
1528 get_input_buf() | |
1529 { | |
1530 garray_T *gap; | |
1531 | |
1532 /* We use a growarray to store the data pointer and the length. */ | |
1533 gap = (garray_T *)alloc((unsigned)sizeof(garray_T)); | |
1534 if (gap != NULL) | |
1535 { | |
1536 /* Add one to avoid a zero size. */ | |
1537 gap->ga_data = alloc((unsigned)inbufcount + 1); | |
1538 if (gap->ga_data != NULL) | |
1539 mch_memmove(gap->ga_data, inbuf, (size_t)inbufcount); | |
1540 gap->ga_len = inbufcount; | |
1541 } | |
1542 trash_input_buf(); | |
1543 return (char_u *)gap; | |
1544 } | |
1545 | |
1546 /* | |
1547 * Restore the input buffer with a pointer returned from get_input_buf(). | |
1548 * The allocated memory is freed, this only works once! | |
1549 */ | |
1550 void | |
1551 set_input_buf(p) | |
1552 char_u *p; | |
1553 { | |
1554 garray_T *gap = (garray_T *)p; | |
1555 | |
1556 if (gap != NULL) | |
1557 { | |
1558 if (gap->ga_data != NULL) | |
1559 { | |
1560 mch_memmove(inbuf, gap->ga_data, gap->ga_len); | |
1561 inbufcount = gap->ga_len; | |
1562 vim_free(gap->ga_data); | |
1563 } | |
1564 vim_free(gap); | |
1565 } | |
1566 } | |
1567 #endif | |
1568 | |
1569 #if defined(FEAT_GUI) || defined(FEAT_MOUSE_GPM) \ | |
1570 || defined(FEAT_XCLIPBOARD) || defined(VMS) \ | |
1571 || defined(FEAT_SNIFF) || defined(FEAT_CLIENTSERVER) || defined(PROTO) | |
1572 /* | |
1573 * Add the given bytes to the input buffer | |
1574 * Special keys start with CSI. A real CSI must have been translated to | |
1575 * CSI KS_EXTRA KE_CSI. K_SPECIAL doesn't require translation. | |
1576 */ | |
1577 void | |
1578 add_to_input_buf(s, len) | |
1579 char_u *s; | |
1580 int len; | |
1581 { | |
1582 if (inbufcount + len > INBUFLEN + MAX_KEY_CODE_LEN) | |
1583 return; /* Shouldn't ever happen! */ | |
1584 | |
1585 #ifdef FEAT_HANGULIN | |
1586 if ((State & (INSERT|CMDLINE)) && hangul_input_state_get()) | |
1587 if ((len = hangul_input_process(s, len)) == 0) | |
1588 return; | |
1589 #endif | |
1590 | |
1591 while (len--) | |
1592 inbuf[inbufcount++] = *s++; | |
1593 } | |
1594 #endif | |
1595 | |
1596 #if (defined(FEAT_XIM) && defined(FEAT_GUI_GTK)) \ | |
1597 || (defined(FEAT_MBYTE) && defined(FEAT_MBYTE_IME)) \ | |
1598 || defined(PROTO) | |
1599 /* | |
1600 * Add "str[len]" to the input buffer while escaping CSI bytes. | |
1601 */ | |
1602 void | |
1603 add_to_input_buf_csi(char_u *str, int len) | |
1604 { | |
1605 int i; | |
1606 char_u buf[2]; | |
1607 | |
1608 for (i = 0; i < len; ++i) | |
1609 { | |
1610 add_to_input_buf(str + i, 1); | |
1611 if (str[i] == CSI) | |
1612 { | |
1613 /* Turn CSI into K_CSI. */ | |
1614 buf[0] = KS_EXTRA; | |
1615 buf[1] = (int)KE_CSI; | |
1616 add_to_input_buf(buf, 2); | |
1617 } | |
1618 } | |
1619 } | |
1620 #endif | |
1621 | |
1622 #if defined(FEAT_HANGULIN) || defined(PROTO) | |
1623 void | |
1624 push_raw_key (s, len) | |
1625 char_u *s; | |
1626 int len; | |
1627 { | |
1628 while (len--) | |
1629 inbuf[inbufcount++] = *s++; | |
1630 } | |
1631 #endif | |
1632 | |
1633 #if defined(FEAT_GUI) || defined(FEAT_EVAL) || defined(FEAT_EX_EXTRA) \ | |
1634 || defined(PROTO) | |
1635 /* Remove everything from the input buffer. Called when ^C is found */ | |
1636 void | |
1637 trash_input_buf() | |
1638 { | |
1639 inbufcount = 0; | |
1640 } | |
1641 #endif | |
1642 | |
1643 /* | |
1644 * Read as much data from the input buffer as possible up to maxlen, and store | |
1645 * it in buf. | |
1646 * Note: this function used to be Read() in unix.c | |
1647 */ | |
1648 int | |
1649 read_from_input_buf(buf, maxlen) | |
1650 char_u *buf; | |
1651 long maxlen; | |
1652 { | |
1653 if (inbufcount == 0) /* if the buffer is empty, fill it */ | |
1654 fill_input_buf(TRUE); | |
1655 if (maxlen > inbufcount) | |
1656 maxlen = inbufcount; | |
1657 mch_memmove(buf, inbuf, (size_t)maxlen); | |
1658 inbufcount -= maxlen; | |
1659 if (inbufcount) | |
1660 mch_memmove(inbuf, inbuf + maxlen, (size_t)inbufcount); | |
1661 return (int)maxlen; | |
1662 } | |
1663 | |
1664 void | |
1665 fill_input_buf(exit_on_error) | |
1666 int exit_on_error; | |
1667 { | |
1668 #if defined(UNIX) || defined(OS2) || defined(VMS) || defined(MACOS_X_UNIX) | |
1669 int len; | |
1670 int try; | |
1671 static int did_read_something = FALSE; | |
1672 # ifdef FEAT_MBYTE | |
1673 static char_u *rest = NULL; /* unconverted rest of previous read */ | |
1674 static int restlen = 0; | |
1675 int unconverted; | |
1676 # endif | |
1677 #endif | |
1678 | |
1679 #ifdef FEAT_GUI | |
1680 if (gui.in_use) | |
1681 { | |
1682 gui_mch_update(); | |
1683 return; | |
1684 } | |
1685 #endif | |
1686 #if defined(UNIX) || defined(OS2) || defined(VMS) || defined(MACOS_X_UNIX) | |
1687 if (vim_is_input_buf_full()) | |
1688 return; | |
1689 /* | |
1690 * Fill_input_buf() is only called when we really need a character. | |
1691 * If we can't get any, but there is some in the buffer, just return. | |
1692 * If we can't get any, and there isn't any in the buffer, we give up and | |
1693 * exit Vim. | |
1694 */ | |
1695 # ifdef __BEOS__ | |
1696 /* | |
1697 * On the BeBox version (for now), all input is secretly performed within | |
1698 * beos_select() which is called from RealWaitForChar(). | |
1699 */ | |
1700 while (!vim_is_input_buf_full() && RealWaitForChar(read_cmd_fd, 0, NULL)) | |
1701 ; | |
1702 len = inbufcount; | |
1703 inbufcount = 0; | |
1704 # else | |
1705 | |
1706 # ifdef FEAT_SNIFF | |
1707 if (sniff_request_waiting) | |
1708 { | |
1709 add_to_input_buf((char_u *)"\233sniff",6); /* results in K_SNIFF */ | |
1710 sniff_request_waiting = 0; | |
1711 want_sniff_request = 0; | |
1712 return; | |
1713 } | |
1714 # endif | |
1715 | |
1716 # ifdef FEAT_MBYTE | |
1717 if (rest != NULL) | |
1718 { | |
1719 /* Use remainder of previous call, starts with an invalid character | |
1720 * that may become valid when reading more. */ | |
1721 if (restlen > INBUFLEN - inbufcount) | |
1722 unconverted = INBUFLEN - inbufcount; | |
1723 else | |
1724 unconverted = restlen; | |
1725 mch_memmove(inbuf + inbufcount, rest, unconverted); | |
1726 if (unconverted == restlen) | |
1727 { | |
1728 vim_free(rest); | |
1729 rest = NULL; | |
1730 } | |
1731 else | |
1732 { | |
1733 restlen -= unconverted; | |
1734 mch_memmove(rest, rest + unconverted, restlen); | |
1735 } | |
1736 inbufcount += unconverted; | |
1737 } | |
1738 else | |
1739 unconverted = 0; | |
1740 #endif | |
1741 | |
1742 len = 0; /* to avoid gcc warning */ | |
1743 for (try = 0; try < 100; ++try) | |
1744 { | |
1745 # ifdef VMS | |
1746 len = vms_read( | |
1747 # else | |
1748 len = read(read_cmd_fd, | |
1749 # endif | |
1750 (char *)inbuf + inbufcount, (size_t)((INBUFLEN - inbufcount) | |
1751 # ifdef FEAT_MBYTE | |
1752 / input_conv.vc_factor | |
1753 # endif | |
1754 )); | |
1755 # if 0 | |
1756 ) /* avoid syntax highlight error */ | |
1757 # endif | |
1758 if (len > 0 || got_int) | |
1759 break; | |
1760 /* | |
1761 * If reading stdin results in an error, continue reading stderr. | |
1762 * This helps when using "foo | xargs vim". | |
1763 */ | |
1764 if (!did_read_something && !isatty(read_cmd_fd) && read_cmd_fd == 0) | |
1765 { | |
1766 int m = cur_tmode; | |
1767 | |
1768 /* We probably set the wrong file descriptor to raw mode. Switch | |
1769 * back to cooked mode, use another descriptor and set the mode to | |
1770 * what it was. */ | |
1771 settmode(TMODE_COOK); | |
1772 #ifdef HAVE_DUP | |
1773 /* Use stderr for stdin, also works for shell commands. */ | |
1774 close(0); | |
1775 dup(2); | |
1776 #else | |
1777 read_cmd_fd = 2; /* read from stderr instead of stdin */ | |
1778 #endif | |
1779 settmode(m); | |
1780 } | |
1781 if (!exit_on_error) | |
1782 return; | |
1783 } | |
1784 # endif | |
1785 if (len <= 0 && !got_int) | |
1786 read_error_exit(); | |
1787 if (len > 0) | |
1788 did_read_something = TRUE; | |
1789 if (got_int) | |
1790 { | |
1791 /* Interrupted, pretend a CTRL-C was typed. */ | |
1792 inbuf[0] = 3; | |
1793 inbufcount = 1; | |
1794 } | |
1795 else | |
1796 { | |
1797 # ifdef FEAT_MBYTE | |
1798 /* | |
1799 * May perform conversion on the input characters. | |
1800 * Include the unconverted rest of the previous call. | |
1801 * If there is an incomplete char at the end it is kept for the next | |
1802 * time, reading more bytes should make conversion possible. | |
1803 * Don't do this in the unlikely event that the input buffer is too | |
1804 * small ("rest" still contains more bytes). | |
1805 */ | |
1806 if (input_conv.vc_type != CONV_NONE) | |
1807 { | |
1808 inbufcount -= unconverted; | |
1809 len = convert_input_safe(inbuf + inbufcount, | |
1810 len + unconverted, INBUFLEN - inbufcount, | |
1811 rest == NULL ? &rest : NULL, &restlen); | |
1812 } | |
1813 # endif | |
1814 while (len-- > 0) | |
1815 { | |
1816 /* | |
1817 * if a CTRL-C was typed, remove it from the buffer and set got_int | |
1818 */ | |
1819 if (inbuf[inbufcount] == 3 && ctrl_c_interrupts) | |
1820 { | |
1821 /* remove everything typed before the CTRL-C */ | |
1822 mch_memmove(inbuf, inbuf + inbufcount, (size_t)(len + 1)); | |
1823 inbufcount = 0; | |
1824 got_int = TRUE; | |
1825 } | |
1826 ++inbufcount; | |
1827 } | |
1828 } | |
1829 #endif /* UNIX or OS2 or VMS*/ | |
1830 } | |
1831 #endif /* defined(UNIX) || defined(FEAT_GUI) || defined(OS2) || defined(VMS) */ | |
1832 | |
1833 /* | |
1834 * Exit because of an input read error. | |
1835 */ | |
1836 void | |
1837 read_error_exit() | |
1838 { | |
1839 if (silent_mode) /* Normal way to exit for "ex -s" */ | |
1840 getout(0); | |
1841 STRCPY(IObuff, _("Vim: Error reading input, exiting...\n")); | |
1842 preserve_exit(); | |
1843 } | |
1844 | |
1845 #if defined(CURSOR_SHAPE) || defined(PROTO) | |
1846 /* | |
1847 * May update the shape of the cursor. | |
1848 */ | |
1849 void | |
1850 ui_cursor_shape() | |
1851 { | |
1852 # ifdef FEAT_GUI | |
1853 if (gui.in_use) | |
1854 gui_update_cursor_later(); | |
1855 # endif | |
1856 # ifdef MCH_CURSOR_SHAPE | |
1857 mch_update_cursor(); | |
1858 # endif | |
1859 } | |
1860 #endif | |
1861 | |
1862 #if defined(FEAT_CLIPBOARD) || defined(FEAT_GUI) || defined(FEAT_RIGHTLEFT) \ | |
1863 || defined(PROTO) | |
1864 /* | |
1865 * Check bounds for column number | |
1866 */ | |
1867 int | |
1868 check_col(col) | |
1869 int col; | |
1870 { | |
1871 if (col < 0) | |
1872 return 0; | |
1873 if (col >= (int)screen_Columns) | |
1874 return (int)screen_Columns - 1; | |
1875 return col; | |
1876 } | |
1877 | |
1878 /* | |
1879 * Check bounds for row number | |
1880 */ | |
1881 int | |
1882 check_row(row) | |
1883 int row; | |
1884 { | |
1885 if (row < 0) | |
1886 return 0; | |
1887 if (row >= (int)screen_Rows) | |
1888 return (int)screen_Rows - 1; | |
1889 return row; | |
1890 } | |
1891 #endif | |
1892 | |
1893 /* | |
1894 * Stuff for the X clipboard. Shared between VMS and Unix. | |
1895 */ | |
1896 | |
1897 #if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11) || defined(PROTO) | |
1898 # include <X11/Xatom.h> | |
1899 # include <X11/Intrinsic.h> | |
1900 | |
1901 /* | |
1902 * Open the application context (if it hasn't been opened yet). | |
1903 * Used for Motif and Athena GUI and the xterm clipboard. | |
1904 */ | |
1905 void | |
1906 open_app_context() | |
1907 { | |
1908 if (app_context == NULL) | |
1909 { | |
1910 XtToolkitInitialize(); | |
1911 app_context = XtCreateApplicationContext(); | |
1912 } | |
1913 } | |
1914 | |
1915 static Atom vim_atom; /* Vim's own special selection format */ | |
1916 #ifdef FEAT_MBYTE | |
1917 static Atom vimenc_atom; /* Vim's extended selection format */ | |
1918 #endif | |
1919 static Atom compound_text_atom; | |
1920 static Atom text_atom; | |
1921 static Atom targets_atom; | |
1922 | |
1923 void | |
1924 x11_setup_atoms(dpy) | |
1925 Display *dpy; | |
1926 { | |
1927 vim_atom = XInternAtom(dpy, VIM_ATOM_NAME, False); | |
1928 #ifdef FEAT_MBYTE | |
1929 vimenc_atom = XInternAtom(dpy, VIMENC_ATOM_NAME,False); | |
1930 #endif | |
1931 compound_text_atom = XInternAtom(dpy, "COMPOUND_TEXT", False); | |
1932 text_atom = XInternAtom(dpy, "TEXT", False); | |
1933 targets_atom = XInternAtom(dpy, "TARGETS", False); | |
1934 clip_star.sel_atom = XA_PRIMARY; | |
1935 clip_plus.sel_atom = XInternAtom(dpy, "CLIPBOARD", False); | |
1936 } | |
1937 | |
1938 /* | |
1939 * X Selection stuff, for cutting and pasting text to other windows. | |
1940 */ | |
1941 | |
1942 static void clip_x11_request_selection_cb __ARGS((Widget, XtPointer, Atom *, Atom *, XtPointer, long_u *, int *)); | |
1943 | |
1944 /* ARGSUSED */ | |
1945 static void | |
1946 clip_x11_request_selection_cb(w, success, sel_atom, type, value, length, | |
1947 format) | |
1948 Widget w; | |
1949 XtPointer success; | |
1950 Atom *sel_atom; | |
1951 Atom *type; | |
1952 XtPointer value; | |
1953 long_u *length; | |
1954 int *format; | |
1955 { | |
1956 int motion_type; | |
1957 long_u len; | |
1958 char_u *p; | |
1959 char **text_list = NULL; | |
1960 VimClipboard *cbd; | |
1961 #ifdef FEAT_MBYTE | |
1962 char_u *tmpbuf = NULL; | |
1963 #endif | |
1964 | |
1965 if (*sel_atom == clip_plus.sel_atom) | |
1966 cbd = &clip_plus; | |
1967 else | |
1968 cbd = &clip_star; | |
1969 | |
1970 if (value == NULL || *length == 0) | |
1971 { | |
1972 clip_free_selection(cbd); /* ??? [what's the query?] */ | |
1973 *(int *)success = FALSE; | |
1974 return; | |
1975 } | |
1976 motion_type = MCHAR; | |
1977 p = (char_u *)value; | |
1978 len = *length; | |
1979 if (*type == vim_atom) | |
1980 { | |
1981 motion_type = *p++; | |
1982 len--; | |
1983 } | |
1984 | |
1985 #ifdef FEAT_MBYTE | |
1986 else if (*type == vimenc_atom) | |
1987 { | |
1988 char_u *enc; | |
1989 vimconv_T conv; | |
1990 int convlen; | |
1991 | |
1992 motion_type = *p++; | |
1993 --len; | |
1994 | |
1995 enc = p; | |
1996 p += STRLEN(p) + 1; | |
1997 len -= p - enc; | |
1998 | |
1999 /* If the encoding of the text is different from 'encoding', attempt | |
2000 * converting it. */ | |
2001 conv.vc_type = CONV_NONE; | |
2002 convert_setup(&conv, enc, p_enc); | |
2003 if (conv.vc_type != CONV_NONE) | |
2004 { | |
2005 convlen = len; /* Need to use an int here. */ | |
2006 tmpbuf = string_convert(&conv, p, &convlen); | |
2007 len = convlen; | |
2008 if (tmpbuf != NULL) | |
2009 p = tmpbuf; | |
2010 convert_setup(&conv, NULL, NULL); | |
2011 } | |
2012 } | |
2013 #endif | |
2014 | |
2015 else if (*type == compound_text_atom || ( | |
2016 #ifdef FEAT_MBYTE | |
2017 enc_dbcs != 0 && | |
2018 #endif | |
2019 *type == text_atom)) | |
2020 { | |
2021 XTextProperty text_prop; | |
2022 int n_text = 0; | |
2023 int status; | |
2024 | |
2025 text_prop.value = (unsigned char *)value; | |
2026 text_prop.encoding = *type; | |
2027 text_prop.format = *format; | |
2028 text_prop.nitems = STRLEN(value); | |
2029 status = XmbTextPropertyToTextList(X_DISPLAY, &text_prop, | |
2030 &text_list, &n_text); | |
2031 if (status != Success || n_text < 1) | |
2032 { | |
2033 *(int *)success = FALSE; | |
2034 return; | |
2035 } | |
2036 p = (char_u *)text_list[0]; | |
2037 len = STRLEN(p); | |
2038 } | |
2039 clip_yank_selection(motion_type, p, (long)len, cbd); | |
2040 | |
2041 if (text_list != NULL) | |
2042 XFreeStringList(text_list); | |
2043 #ifdef FEAT_MBYTE | |
2044 vim_free(tmpbuf); | |
2045 #endif | |
2046 XtFree((char *)value); | |
2047 *(int *)success = TRUE; | |
2048 } | |
2049 | |
2050 void | |
2051 clip_x11_request_selection(myShell, dpy, cbd) | |
2052 Widget myShell; | |
2053 Display *dpy; | |
2054 VimClipboard *cbd; | |
2055 { | |
2056 XEvent event; | |
2057 Atom type; | |
2058 static int success; | |
2059 int i; | |
2060 int nbytes = 0; | |
2061 char_u *buffer; | |
2062 | |
2063 for (i = | |
2064 #ifdef FEAT_MBYTE | |
2065 0 | |
2066 #else | |
2067 1 | |
2068 #endif | |
2069 ; i < 5; i++) | |
2070 { | |
2071 switch (i) | |
2072 { | |
2073 #ifdef FEAT_MBYTE | |
2074 case 0: type = vimenc_atom; break; | |
2075 #endif | |
2076 case 1: type = vim_atom; break; | |
2077 case 2: type = compound_text_atom; break; | |
2078 case 3: type = text_atom; break; | |
2079 default: type = XA_STRING; | |
2080 } | |
2081 XtGetSelectionValue(myShell, cbd->sel_atom, type, | |
2082 clip_x11_request_selection_cb, (XtPointer)&success, CurrentTime); | |
2083 | |
2084 /* Make sure the request for the selection goes out before waiting for | |
2085 * a response. */ | |
2086 XFlush(dpy); | |
2087 | |
2088 /* | |
2089 * Wait for result of selection request, otherwise if we type more | |
2090 * characters, then they will appear before the one that requested the | |
2091 * paste! Don't worry, we will catch up with any other events later. | |
2092 */ | |
2093 for (;;) | |
2094 { | |
2095 if (XCheckTypedEvent(dpy, SelectionNotify, &event)) | |
2096 break; | |
2097 | |
2098 /* Do we need this? Probably not. */ | |
2099 XSync(dpy, False); | |
2100 | |
2101 /* Bernhard Walle solved a slow paste response in an X terminal by | |
2102 * adding: usleep(10000); here. */ | |
2103 } | |
2104 | |
2105 /* this is where clip_x11_request_selection_cb() is actually called */ | |
2106 XtDispatchEvent(&event); | |
2107 | |
2108 if (success) | |
2109 return; | |
2110 } | |
2111 | |
2112 /* Final fallback position - use the X CUT_BUFFER0 store */ | |
2113 buffer = (char_u *)XFetchBuffer(dpy, &nbytes, 0); | |
2114 if (nbytes > 0) | |
2115 { | |
2116 /* Got something */ | |
2117 clip_yank_selection(MCHAR, buffer, (long)nbytes, cbd); | |
2118 XFree((void *)buffer); | |
2119 if (p_verbose > 0) | |
2120 smsg((char_u *)_("Used CUT_BUFFER0 instead of empty selection") ); | |
2121 } | |
2122 } | |
2123 | |
2124 static Boolean clip_x11_convert_selection_cb __ARGS((Widget, Atom *, Atom *, Atom *, XtPointer *, long_u *, int *)); | |
2125 | |
2126 /* ARGSUSED */ | |
2127 static Boolean | |
2128 clip_x11_convert_selection_cb(w, sel_atom, target, type, value, length, format) | |
2129 Widget w; | |
2130 Atom *sel_atom; | |
2131 Atom *target; | |
2132 Atom *type; | |
2133 XtPointer *value; | |
2134 long_u *length; | |
2135 int *format; | |
2136 { | |
2137 char_u *string; | |
2138 char_u *result; | |
2139 int motion_type; | |
2140 VimClipboard *cbd; | |
2141 int i; | |
2142 | |
2143 if (*sel_atom == clip_plus.sel_atom) | |
2144 cbd = &clip_plus; | |
2145 else | |
2146 cbd = &clip_star; | |
2147 | |
2148 if (!cbd->owned) | |
2149 return False; /* Shouldn't ever happen */ | |
2150 | |
2151 /* requestor wants to know what target types we support */ | |
2152 if (*target == targets_atom) | |
2153 { | |
2154 Atom *array; | |
2155 | |
2156 if ((array = (Atom *)XtMalloc((unsigned)(sizeof(Atom) * 6))) == NULL) | |
2157 return False; | |
2158 *value = (XtPointer)array; | |
2159 i = 0; | |
2160 array[i++] = XA_STRING; | |
2161 array[i++] = targets_atom; | |
2162 #ifdef FEAT_MBYTE | |
2163 array[i++] = vimenc_atom; | |
2164 #endif | |
2165 array[i++] = vim_atom; | |
2166 array[i++] = text_atom; | |
2167 array[i++] = compound_text_atom; | |
2168 *type = XA_ATOM; | |
2169 /* This used to be: *format = sizeof(Atom) * 8; but that caused | |
2170 * crashes on 64 bit machines. (Peter Derr) */ | |
2171 *format = 32; | |
2172 *length = i; | |
2173 return True; | |
2174 } | |
2175 | |
2176 if ( *target != XA_STRING | |
2177 #ifdef FEAT_MBYTE | |
2178 && *target != vimenc_atom | |
2179 #endif | |
2180 && *target != vim_atom | |
2181 && *target != text_atom | |
2182 && *target != compound_text_atom) | |
2183 return False; | |
2184 | |
2185 clip_get_selection(cbd); | |
2186 motion_type = clip_convert_selection(&string, length, cbd); | |
2187 if (motion_type < 0) | |
2188 return False; | |
2189 | |
2190 /* For our own format, the first byte contains the motion type */ | |
2191 if (*target == vim_atom) | |
2192 (*length)++; | |
2193 | |
2194 #ifdef FEAT_MBYTE | |
2195 /* Our own format with encoding: motion 'encoding' NUL text */ | |
2196 if (*target == vimenc_atom) | |
2197 *length += STRLEN(p_enc) + 2; | |
2198 #endif | |
2199 | |
2200 *value = XtMalloc((Cardinal)*length); | |
2201 result = (char_u *)*value; | |
2202 if (result == NULL) | |
2203 { | |
2204 vim_free(string); | |
2205 return False; | |
2206 } | |
2207 | |
2208 if (*target == XA_STRING) | |
2209 { | |
2210 mch_memmove(result, string, (size_t)(*length)); | |
2211 *type = XA_STRING; | |
2212 } | |
2213 else if (*target == compound_text_atom | |
2214 || *target == text_atom) | |
2215 { | |
2216 XTextProperty text_prop; | |
2217 char *string_nt = (char *)alloc((unsigned)*length + 1); | |
2218 | |
2219 /* create NUL terminated string which XmbTextListToTextProperty wants */ | |
2220 mch_memmove(string_nt, string, (size_t)*length); | |
2221 string_nt[*length] = NUL; | |
2222 XmbTextListToTextProperty(X_DISPLAY, (char **)&string_nt, 1, | |
2223 XCompoundTextStyle, &text_prop); | |
2224 vim_free(string_nt); | |
2225 XtFree(*value); /* replace with COMPOUND text */ | |
2226 *value = (XtPointer)(text_prop.value); /* from plain text */ | |
2227 *length = text_prop.nitems; | |
2228 *type = compound_text_atom; | |
2229 } | |
2230 | |
2231 #ifdef FEAT_MBYTE | |
2232 else if (*target == vimenc_atom) | |
2233 { | |
2234 int l = STRLEN(p_enc); | |
2235 | |
2236 result[0] = motion_type; | |
2237 STRCPY(result + 1, p_enc); | |
2238 mch_memmove(result + l + 2, string, (size_t)(*length - l - 2)); | |
2239 *type = vimenc_atom; | |
2240 } | |
2241 #endif | |
2242 | |
2243 else | |
2244 { | |
2245 result[0] = motion_type; | |
2246 mch_memmove(result + 1, string, (size_t)(*length - 1)); | |
2247 *type = vim_atom; | |
2248 } | |
2249 *format = 8; /* 8 bits per char */ | |
2250 vim_free(string); | |
2251 return True; | |
2252 } | |
2253 | |
2254 static void clip_x11_lose_ownership_cb __ARGS((Widget, Atom *)); | |
2255 | |
2256 /* ARGSUSED */ | |
2257 static void | |
2258 clip_x11_lose_ownership_cb(w, sel_atom) | |
2259 Widget w; | |
2260 Atom *sel_atom; | |
2261 { | |
2262 if (*sel_atom == clip_plus.sel_atom) | |
2263 clip_lose_selection(&clip_plus); | |
2264 else | |
2265 clip_lose_selection(&clip_star); | |
2266 } | |
2267 | |
2268 void | |
2269 clip_x11_lose_selection(myShell, cbd) | |
2270 Widget myShell; | |
2271 VimClipboard *cbd; | |
2272 { | |
2273 XtDisownSelection(myShell, cbd->sel_atom, CurrentTime); | |
2274 } | |
2275 | |
2276 int | |
2277 clip_x11_own_selection(myShell, cbd) | |
2278 Widget myShell; | |
2279 VimClipboard *cbd; | |
2280 { | |
2281 if (XtOwnSelection(myShell, cbd->sel_atom, CurrentTime, | |
2282 clip_x11_convert_selection_cb, clip_x11_lose_ownership_cb, | |
2283 NULL) == False) | |
2284 return FAIL; | |
2285 return OK; | |
2286 } | |
2287 | |
2288 /* | |
2289 * Send the current selection to the clipboard. Do nothing for X because we | |
2290 * will fill in the selection only when requested by another app. | |
2291 */ | |
2292 /*ARGSUSED*/ | |
2293 void | |
2294 clip_x11_set_selection(cbd) | |
2295 VimClipboard *cbd; | |
2296 { | |
2297 } | |
2298 #endif | |
2299 | |
2300 #if defined(FEAT_MOUSE) || defined(PROTO) | |
2301 | |
2302 /* | |
2303 * Move the cursor to the specified row and column on the screen. | |
2304 * Change current window if neccesary. Returns an integer with the | |
2305 * CURSOR_MOVED bit set if the cursor has moved or unset otherwise. | |
2306 * | |
2307 * The MOUSE_FOLD_CLOSE bit is set when clicked on the '-' in a fold column. | |
2308 * The MOUSE_FOLD_OPEN bit is set when clicked on the '+' in a fold column. | |
2309 * | |
2310 * If flags has MOUSE_FOCUS, then the current window will not be changed, and | |
2311 * if the mouse is outside the window then the text will scroll, or if the | |
2312 * mouse was previously on a status line, then the status line may be dragged. | |
2313 * | |
2314 * If flags has MOUSE_MAY_VIS, then VIsual mode will be started before the | |
2315 * cursor is moved unless the cursor was on a status line. | |
2316 * This function returns one of IN_UNKNOWN, IN_BUFFER, IN_STATUS_LINE or | |
2317 * IN_SEP_LINE depending on where the cursor was clicked. | |
2318 * | |
2319 * If flags has MOUSE_MAY_STOP_VIS, then Visual mode will be stopped, unless | |
2320 * the mouse is on the status line of the same window. | |
2321 * | |
2322 * If flags has MOUSE_DID_MOVE, nothing is done if the mouse didn't move since | |
2323 * the last call. | |
2324 * | |
2325 * If flags has MOUSE_SETPOS, nothing is done, only the current position is | |
2326 * remembered. | |
2327 */ | |
2328 int | |
2329 jump_to_mouse(flags, inclusive, which_button) | |
2330 int flags; | |
2331 int *inclusive; /* used for inclusive operator, can be NULL */ | |
2332 int which_button; /* MOUSE_LEFT, MOUSE_RIGHT, MOUSE_MIDDLE */ | |
2333 { | |
2334 static int on_status_line = 0; /* #lines below bottom of window */ | |
2335 #ifdef FEAT_VERTSPLIT | |
2336 static int on_sep_line = 0; /* on separator right of window */ | |
2337 #endif | |
2338 static int prev_row = -1; | |
2339 static int prev_col = -1; | |
2340 static win_T *dragwin = NULL; /* window being dragged */ | |
2341 static int did_drag = FALSE; /* drag was noticed */ | |
2342 | |
2343 win_T *wp, *old_curwin; | |
2344 pos_T old_cursor; | |
2345 int count; | |
2346 int first; | |
2347 int row = mouse_row; | |
2348 int col = mouse_col; | |
2349 #ifdef FEAT_FOLDING | |
2350 int mouse_char; | |
2351 #endif | |
2352 | |
2353 mouse_past_bottom = FALSE; | |
2354 mouse_past_eol = FALSE; | |
2355 | |
2356 if (flags & MOUSE_RELEASED) | |
2357 { | |
2358 /* On button release we may change window focus if positioned on a | |
2359 * status line and no dragging happened. */ | |
2360 if (dragwin != NULL && !did_drag) | |
2361 flags &= ~(MOUSE_FOCUS | MOUSE_DID_MOVE); | |
2362 dragwin = NULL; | |
2363 did_drag = FALSE; | |
2364 } | |
2365 | |
2366 if ((flags & MOUSE_DID_MOVE) | |
2367 && prev_row == mouse_row | |
2368 && prev_col == mouse_col) | |
2369 { | |
2370 retnomove: | |
2371 /* before moving the cursor for a left click wich is NOT in a status | |
2372 * line, stop Visual mode */ | |
2373 if (on_status_line) | |
2374 return IN_STATUS_LINE; | |
2375 #ifdef FEAT_VERTSPLIT | |
2376 if (on_sep_line) | |
2377 return IN_SEP_LINE; | |
2378 #endif | |
2379 #ifdef FEAT_VISUAL | |
2380 if (flags & MOUSE_MAY_STOP_VIS) | |
2381 { | |
2382 end_visual_mode(); | |
2383 redraw_curbuf_later(INVERTED); /* delete the inversion */ | |
2384 } | |
2385 #endif | |
2386 #if defined(FEAT_CMDWIN) && defined(FEAT_CLIPBOARD) | |
2387 /* Continue a modeless selection in another window. */ | |
2388 if (cmdwin_type != 0 && row < W_WINROW(curwin)) | |
2389 return IN_OTHER_WIN; | |
2390 #endif | |
2391 return IN_BUFFER; | |
2392 } | |
2393 | |
2394 prev_row = mouse_row; | |
2395 prev_col = mouse_col; | |
2396 | |
2397 if (flags & MOUSE_SETPOS) | |
2398 goto retnomove; /* ugly goto... */ | |
2399 | |
2400 #ifdef FEAT_FOLDING | |
2401 /* Remember the character under the mouse, it might be a '-' or '+' in the | |
2402 * fold column. */ | |
2403 if (row >= 0 && row < Rows && col >= 0 && col <= Columns) | |
2404 mouse_char = ScreenLines[LineOffset[row] + col]; | |
2405 else | |
2406 mouse_char = ' '; | |
2407 #endif | |
2408 | |
2409 old_curwin = curwin; | |
2410 old_cursor = curwin->w_cursor; | |
2411 | |
2412 if (!(flags & MOUSE_FOCUS)) | |
2413 { | |
2414 if (row < 0 || col < 0) /* check if it makes sense */ | |
2415 return IN_UNKNOWN; | |
2416 | |
2417 #ifdef FEAT_WINDOWS | |
2418 /* find the window where the row is in */ | |
2419 wp = mouse_find_win(&row, &col); | |
2420 #else | |
2421 wp = firstwin; | |
2422 #endif | |
2423 dragwin = NULL; | |
2424 /* | |
2425 * winpos and height may change in win_enter()! | |
2426 */ | |
2427 if (row >= wp->w_height) /* In (or below) status line */ | |
2428 { | |
2429 on_status_line = row - wp->w_height + 1; | |
2430 dragwin = wp; | |
2431 } | |
2432 else | |
2433 on_status_line = 0; | |
2434 #ifdef FEAT_VERTSPLIT | |
2435 if (col >= wp->w_width) /* In separator line */ | |
2436 { | |
2437 on_sep_line = col - wp->w_width + 1; | |
2438 dragwin = wp; | |
2439 } | |
2440 else | |
2441 on_sep_line = 0; | |
2442 | |
2443 /* The rightmost character of the status line might be a vertical | |
2444 * separator character if there is no connecting window to the right. */ | |
2445 if (on_status_line && on_sep_line) | |
2446 { | |
2447 if (stl_connected(wp)) | |
2448 on_sep_line = 0; | |
2449 else | |
2450 on_status_line = 0; | |
2451 } | |
2452 #endif | |
2453 | |
2454 #ifdef FEAT_VISUAL | |
2455 /* Before jumping to another buffer, or moving the cursor for a left | |
2456 * click, stop Visual mode. */ | |
2457 if (VIsual_active | |
2458 && (wp->w_buffer != curwin->w_buffer | |
2459 || (!on_status_line | |
2460 # ifdef FEAT_VERTSPLIT | |
2461 && !on_sep_line | |
2462 # endif | |
2463 # ifdef FEAT_FOLDING | |
2464 && ( | |
2465 # ifdef FEAT_RIGHTLEFT | |
2466 wp->w_p_rl ? col < W_WIDTH(wp) - wp->w_p_fdc : | |
2467 # endif | |
2468 col >= wp->w_p_fdc | |
2469 # ifdef FEAT_CMDWIN | |
2470 + (cmdwin_type == 0 && wp == curwin ? 0 : 1) | |
2471 # endif | |
2472 ) | |
2473 # endif | |
2474 && (flags & MOUSE_MAY_STOP_VIS)))) | |
2475 { | |
2476 end_visual_mode(); | |
2477 redraw_curbuf_later(INVERTED); /* delete the inversion */ | |
2478 } | |
2479 #endif | |
2480 #ifdef FEAT_CMDWIN | |
2481 if (cmdwin_type != 0 && wp != curwin) | |
2482 { | |
2483 /* A click outside the command-line window: Use modeless | |
2484 * selection if possible. Allow dragging the status line of | |
2485 * windows just above the command-line window. */ | |
2486 if (wp->w_winrow + wp->w_height | |
2487 != curwin->w_prev->w_winrow + curwin->w_prev->w_height) | |
2488 { | |
2489 on_status_line = 0; | |
2490 dragwin = NULL; | |
2491 } | |
2492 # ifdef FEAT_VERTSPLIT | |
2493 on_sep_line = 0; | |
2494 # endif | |
2495 # ifdef FEAT_CLIPBOARD | |
2496 if (on_status_line) | |
2497 return IN_STATUS_LINE; | |
2498 return IN_OTHER_WIN; | |
2499 # else | |
2500 row = 0; | |
2501 col += wp->w_wincol; | |
2502 wp = curwin; | |
2503 # endif | |
2504 } | |
2505 #endif | |
2506 #ifdef FEAT_WINDOWS | |
2507 /* Only change window focus when not clicking on or dragging the | |
2508 * status line. Do change focus when releasing the mouse button | |
2509 * (MOUSE_FOCUS was set above if we dragged first). */ | |
2510 if (dragwin == NULL || (flags & MOUSE_RELEASED)) | |
2511 win_enter(wp, TRUE); /* can make wp invalid! */ | |
2512 # ifdef CHECK_DOUBLE_CLICK | |
2513 /* set topline, to be able to check for double click ourselves */ | |
2514 if (curwin != old_curwin) | |
2515 set_mouse_topline(curwin); | |
2516 # endif | |
2517 #endif | |
2518 if (on_status_line) /* In (or below) status line */ | |
2519 { | |
2520 /* Don't use start_arrow() if we're in the same window */ | |
2521 if (curwin == old_curwin) | |
2522 return IN_STATUS_LINE; | |
2523 else | |
2524 return IN_STATUS_LINE | CURSOR_MOVED; | |
2525 } | |
2526 #ifdef FEAT_VERTSPLIT | |
2527 if (on_sep_line) /* In (or below) status line */ | |
2528 { | |
2529 /* Don't use start_arrow() if we're in the same window */ | |
2530 if (curwin == old_curwin) | |
2531 return IN_SEP_LINE; | |
2532 else | |
2533 return IN_SEP_LINE | CURSOR_MOVED; | |
2534 } | |
2535 #endif | |
2536 | |
2537 curwin->w_cursor.lnum = curwin->w_topline; | |
2538 #ifdef FEAT_GUI | |
2539 /* remember topline, needed for double click */ | |
2540 gui_prev_topline = curwin->w_topline; | |
2541 # ifdef FEAT_DIFF | |
2542 gui_prev_topfill = curwin->w_topfill; | |
2543 # endif | |
2544 #endif | |
2545 } | |
2546 else if (on_status_line && which_button == MOUSE_LEFT) | |
2547 { | |
2548 #ifdef FEAT_WINDOWS | |
2549 if (dragwin != NULL) | |
2550 { | |
2551 /* Drag the status line */ | |
2552 count = row - dragwin->w_winrow - dragwin->w_height + 1 | |
2553 - on_status_line; | |
2554 win_drag_status_line(dragwin, count); | |
2555 did_drag |= count; | |
2556 } | |
2557 #endif | |
2558 return IN_STATUS_LINE; /* Cursor didn't move */ | |
2559 } | |
2560 #ifdef FEAT_VERTSPLIT | |
2561 else if (on_sep_line && which_button == MOUSE_LEFT) | |
2562 { | |
2563 if (dragwin != NULL) | |
2564 { | |
2565 /* Drag the separator column */ | |
2566 count = col - dragwin->w_wincol - dragwin->w_width + 1 | |
2567 - on_sep_line; | |
2568 win_drag_vsep_line(dragwin, count); | |
2569 did_drag |= count; | |
2570 } | |
2571 return IN_SEP_LINE; /* Cursor didn't move */ | |
2572 } | |
2573 #endif | |
2574 else /* keep_window_focus must be TRUE */ | |
2575 { | |
2576 #ifdef FEAT_VISUAL | |
2577 /* before moving the cursor for a left click, stop Visual mode */ | |
2578 if (flags & MOUSE_MAY_STOP_VIS) | |
2579 { | |
2580 end_visual_mode(); | |
2581 redraw_curbuf_later(INVERTED); /* delete the inversion */ | |
2582 } | |
2583 #endif | |
2584 | |
2585 #if defined(FEAT_CMDWIN) && defined(FEAT_CLIPBOARD) | |
2586 /* Continue a modeless selection in another window. */ | |
2587 if (cmdwin_type != 0 && row < W_WINROW(curwin)) | |
2588 return IN_OTHER_WIN; | |
2589 #endif | |
2590 | |
2591 row -= W_WINROW(curwin); | |
2592 #ifdef FEAT_VERTSPLIT | |
2593 col -= W_WINCOL(curwin); | |
2594 #endif | |
2595 | |
2596 /* | |
2597 * When clicking beyond the end of the window, scroll the screen. | |
2598 * Scroll by however many rows outside the window we are. | |
2599 */ | |
2600 if (row < 0) | |
2601 { | |
2602 count = 0; | |
2603 for (first = TRUE; curwin->w_topline > 1; ) | |
2604 { | |
2605 #ifdef FEAT_DIFF | |
2606 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)) | |
2607 ++count; | |
2608 else | |
2609 #endif | |
2610 count += plines(curwin->w_topline - 1); | |
2611 if (!first && count > -row) | |
2612 break; | |
2613 first = FALSE; | |
2614 #ifdef FEAT_FOLDING | |
2615 hasFolding(curwin->w_topline, &curwin->w_topline, NULL); | |
2616 #endif | |
2617 #ifdef FEAT_DIFF | |
2618 if (curwin->w_topfill < diff_check(curwin, curwin->w_topline)) | |
2619 ++curwin->w_topfill; | |
2620 else | |
2621 #endif | |
2622 { | |
2623 --curwin->w_topline; | |
2624 #ifdef FEAT_DIFF | |
2625 curwin->w_topfill = 0; | |
2626 #endif | |
2627 } | |
2628 } | |
2629 #ifdef FEAT_DIFF | |
2630 check_topfill(curwin, FALSE); | |
2631 #endif | |
2632 curwin->w_valid &= | |
2633 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
2634 redraw_later(VALID); | |
2635 row = 0; | |
2636 } | |
2637 else if (row >= curwin->w_height) | |
2638 { | |
2639 count = 0; | |
2640 for (first = TRUE; curwin->w_topline < curbuf->b_ml.ml_line_count; ) | |
2641 { | |
2642 #ifdef FEAT_DIFF | |
2643 if (curwin->w_topfill > 0) | |
2644 ++count; | |
2645 else | |
2646 #endif | |
2647 count += plines(curwin->w_topline); | |
2648 if (!first && count > row - curwin->w_height + 1) | |
2649 break; | |
2650 first = FALSE; | |
2651 #ifdef FEAT_FOLDING | |
2652 if (hasFolding(curwin->w_topline, NULL, &curwin->w_topline) | |
2653 && curwin->w_topline == curbuf->b_ml.ml_line_count) | |
2654 break; | |
2655 #endif | |
2656 #ifdef FEAT_DIFF | |
2657 if (curwin->w_topfill > 0) | |
2658 --curwin->w_topfill; | |
2659 else | |
2660 #endif | |
2661 { | |
2662 ++curwin->w_topline; | |
2663 #ifdef FEAT_DIFF | |
2664 curwin->w_topfill = | |
2665 diff_check_fill(curwin, curwin->w_topline); | |
2666 #endif | |
2667 } | |
2668 } | |
2669 #ifdef FEAT_DIFF | |
2670 check_topfill(curwin, FALSE); | |
2671 #endif | |
2672 redraw_later(VALID); | |
2673 curwin->w_valid &= | |
2674 ~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP); | |
2675 row = curwin->w_height - 1; | |
2676 } | |
2677 else if (row == 0) | |
2678 { | |
2679 /* When dragging the mouse, while the text has been scrolled up as | |
2680 * far as it goes, moving the mouse in the top line should scroll | |
2681 * the text down (done later when recomputing w_topline). */ | |
2682 if (mouse_dragging | |
2683 && curwin->w_cursor.lnum | |
2684 == curwin->w_buffer->b_ml.ml_line_count | |
2685 && curwin->w_cursor.lnum == curwin->w_topline) | |
2686 curwin->w_valid &= ~(VALID_TOPLINE); | |
2687 } | |
2688 } | |
2689 | |
2690 #ifdef FEAT_FOLDING | |
2691 /* Check for position outside of the fold column. */ | |
2692 if ( | |
2693 # ifdef FEAT_RIGHTLEFT | |
2694 curwin->w_p_rl ? col < W_WIDTH(curwin) - curwin->w_p_fdc : | |
2695 # endif | |
2696 col >= curwin->w_p_fdc | |
2697 # ifdef FEAT_CMDWIN | |
2698 + (cmdwin_type == 0 ? 0 : 1) | |
2699 # endif | |
2700 ) | |
2701 mouse_char = ' '; | |
2702 #endif | |
2703 | |
2704 /* compute the position in the buffer line from the posn on the screen */ | |
2705 if (mouse_comp_pos(curwin, &row, &col, &curwin->w_cursor.lnum)) | |
2706 mouse_past_bottom = TRUE; | |
2707 | |
2708 #ifdef FEAT_VISUAL | |
2709 /* Start Visual mode before coladvance(), for when 'sel' != "old" */ | |
2710 if ((flags & MOUSE_MAY_VIS) && !VIsual_active) | |
2711 { | |
2712 check_visual_highlight(); | |
2713 VIsual = old_cursor; | |
2714 VIsual_active = TRUE; | |
2715 VIsual_reselect = TRUE; | |
2716 /* if 'selectmode' contains "mouse", start Select mode */ | |
2717 may_start_select('o'); | |
2718 setmouse(); | |
2719 if (p_smd) | |
2720 redraw_cmdline = TRUE; /* show visual mode later */ | |
2721 } | |
2722 #endif | |
2723 | |
2724 curwin->w_curswant = col; | |
2725 curwin->w_set_curswant = FALSE; /* May still have been TRUE */ | |
2726 if (coladvance(col) == FAIL) /* Mouse click beyond end of line */ | |
2727 { | |
2728 if (inclusive != NULL) | |
2729 *inclusive = TRUE; | |
2730 mouse_past_eol = TRUE; | |
2731 } | |
2732 else if (inclusive != NULL) | |
2733 *inclusive = FALSE; | |
2734 | |
2735 count = IN_BUFFER; | |
2736 if (curwin != old_curwin || curwin->w_cursor.lnum != old_cursor.lnum | |
2737 || curwin->w_cursor.col != old_cursor.col) | |
2738 count |= CURSOR_MOVED; /* Cursor has moved */ | |
2739 | |
2740 #ifdef FEAT_FOLDING | |
2741 if (mouse_char == '+') | |
2742 count |= MOUSE_FOLD_OPEN; | |
2743 else if (mouse_char != ' ') | |
2744 count |= MOUSE_FOLD_CLOSE; | |
2745 #endif | |
2746 | |
2747 return count; | |
2748 } | |
2749 | |
2750 /* | |
2751 * Compute the position in the buffer line from the posn on the screen in | |
2752 * window "win". | |
2753 * Returns TRUE if the position is below the last line. | |
2754 */ | |
2755 int | |
2756 mouse_comp_pos(win, rowp, colp, lnump) | |
2757 win_T *win; | |
2758 int *rowp; | |
2759 int *colp; | |
2760 linenr_T *lnump; | |
2761 { | |
2762 int col = *colp; | |
2763 int row = *rowp; | |
2764 linenr_T lnum; | |
2765 int retval = FALSE; | |
2766 int off; | |
2767 int count; | |
2768 | |
2769 #ifdef FEAT_RIGHTLEFT | |
2770 if (win->w_p_rl) | |
2771 col = W_WIDTH(win) - 1 - col; | |
2772 #endif | |
2773 | |
2774 lnum = win->w_topline; | |
2775 | |
2776 while (row > 0) | |
2777 { | |
2778 #ifdef FEAT_DIFF | |
2779 /* Don't include filler lines in "count" */ | |
2780 if (win->w_p_diff && !hasFoldingWin(win, lnum, NULL, NULL, TRUE, NULL)) | |
2781 { | |
2782 if (lnum == win->w_topline) | |
2783 row -= win->w_topfill; | |
2784 else | |
2785 row -= diff_check_fill(win, lnum); | |
2786 count = plines_win_nofill(win, lnum, TRUE); | |
2787 } | |
2788 else | |
2789 #endif | |
2790 count = plines_win(win, lnum, TRUE); | |
2791 if (count > row) | |
2792 break; /* Position is in this buffer line. */ | |
2793 #ifdef FEAT_FOLDING | |
2794 (void)hasFoldingWin(win, lnum, NULL, &lnum, TRUE, NULL); | |
2795 #endif | |
2796 if (lnum == win->w_buffer->b_ml.ml_line_count) | |
2797 { | |
2798 retval = TRUE; | |
2799 break; /* past end of file */ | |
2800 } | |
2801 row -= count; | |
2802 ++lnum; | |
2803 } | |
2804 | |
2805 if (!retval) | |
2806 { | |
2807 /* Compute the column without wrapping. */ | |
2808 off = win_col_off(win) - win_col_off2(win); | |
2809 if (col < off) | |
2810 col = off; | |
2811 col += row * (W_WIDTH(win) - off); | |
2812 /* add skip column (for long wrapping line) */ | |
2813 col += win->w_skipcol; | |
2814 } | |
2815 | |
2816 if (!win->w_p_wrap) | |
2817 col += win->w_leftcol; | |
2818 | |
2819 /* skip line number and fold column in front of the line */ | |
2820 col -= win_col_off(win); | |
2821 if (col < 0) | |
2822 { | |
2823 #ifdef FEAT_NETBEANS_INTG | |
2824 if (usingNetbeans) | |
2825 netbeans_gutter_click(lnum); | |
2826 #endif | |
2827 col = 0; | |
2828 } | |
2829 | |
2830 *colp = col; | |
2831 *rowp = row; | |
2832 *lnump = lnum; | |
2833 return retval; | |
2834 } | |
2835 | |
2836 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
2837 /* | |
2838 * Find the window at screen position "*rowp" and "*colp". The positions are | |
2839 * updated to become relative to the top-left of the window. | |
2840 */ | |
2841 /*ARGSUSED*/ | |
2842 win_T * | |
2843 mouse_find_win(rowp, colp) | |
2844 int *rowp; | |
2845 int *colp; | |
2846 { | |
2847 frame_T *fp; | |
2848 | |
2849 fp = topframe; | |
2850 for (;;) | |
2851 { | |
2852 if (fp->fr_layout == FR_LEAF) | |
2853 break; | |
2854 #ifdef FEAT_VERTSPLIT | |
2855 if (fp->fr_layout == FR_ROW) | |
2856 { | |
2857 for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next) | |
2858 { | |
2859 if (*colp < fp->fr_width) | |
2860 break; | |
2861 *colp -= fp->fr_width; | |
2862 } | |
2863 } | |
2864 #endif | |
2865 else /* fr_layout == FR_COL */ | |
2866 { | |
2867 for (fp = fp->fr_child; fp->fr_next != NULL; fp = fp->fr_next) | |
2868 { | |
2869 if (*rowp < fp->fr_height) | |
2870 break; | |
2871 *rowp -= fp->fr_height; | |
2872 } | |
2873 } | |
2874 } | |
2875 return fp->fr_win; | |
2876 } | |
2877 #endif | |
2878 | |
2879 #if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) || defined (FEAT_GUI_MAC) \ | |
2880 || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \ | |
2881 || defined(FEAT_GUI_PHOTON) || defined(PROTO) | |
2882 /* | |
2883 * Translate window coordinates to buffer position without any side effects | |
2884 */ | |
2885 int | |
2886 get_fpos_of_mouse(mpos) | |
2887 pos_T *mpos; | |
2888 { | |
2889 win_T *wp; | |
2890 int row = mouse_row; | |
2891 int col = mouse_col; | |
2892 | |
2893 if (row < 0 || col < 0) /* check if it makes sense */ | |
2894 return IN_UNKNOWN; | |
2895 | |
2896 #ifdef FEAT_WINDOWS | |
2897 /* find the window where the row is in */ | |
2898 wp = mouse_find_win(&row, &col); | |
2899 #else | |
2900 wp = firstwin; | |
2901 #endif | |
2902 /* | |
2903 * winpos and height may change in win_enter()! | |
2904 */ | |
2905 if (row >= wp->w_height) /* In (or below) status line */ | |
2906 return IN_STATUS_LINE; | |
2907 #ifdef FEAT_VERTSPLIT | |
2908 if (col >= wp->w_width) /* In vertical separator line */ | |
2909 return IN_SEP_LINE; | |
2910 #endif | |
2911 | |
2912 if (wp != curwin) | |
2913 return IN_UNKNOWN; | |
2914 | |
2915 /* compute the position in the buffer line from the posn on the screen */ | |
2916 if (mouse_comp_pos(curwin, &row, &col, &mpos->lnum)) | |
2917 return IN_STATUS_LINE; /* past bottom */ | |
2918 | |
2919 mpos->col = vcol2col(wp, mpos->lnum, col); | |
2920 | |
2921 if (mpos->col > 0) | |
2922 --mpos->col; | |
2923 return IN_BUFFER; | |
2924 } | |
2925 | |
2926 /* | |
2927 * Convert a virtual (screen) column to a character column. | |
2928 * The first column is one. | |
2929 */ | |
2930 int | |
2931 vcol2col(wp, lnum, vcol) | |
2932 win_T *wp; | |
2933 linenr_T lnum; | |
2934 int vcol; | |
2935 { | |
2936 /* try to advance to the specified column */ | |
2937 int col = 0; | |
2938 int count = 0; | |
2939 char_u *ptr; | |
2940 | |
2941 ptr = ml_get_buf(wp->w_buffer, lnum, FALSE); | |
2942 while (count <= vcol && *ptr != NUL) | |
2943 { | |
2944 ++col; | |
2945 count += win_lbr_chartabsize(wp, ptr, count, NULL); | |
2946 # ifdef FEAT_MBYTE | |
2947 if (has_mbyte) | |
2948 ptr += (*mb_ptr2len_check)(ptr); | |
2949 else | |
2950 # endif | |
2951 ++ptr; | |
2952 } | |
2953 return col; | |
2954 } | |
2955 #endif | |
2956 | |
2957 #endif /* FEAT_MOUSE */ | |
2958 | |
2959 #if defined(FEAT_GUI) || defined(WIN3264) || defined(PROTO) | |
2960 /* | |
2961 * Called when focus changed. Used for the GUI or for systems where this can | |
2962 * be done in the console (Win32). | |
2963 */ | |
2964 void | |
2965 ui_focus_change(in_focus) | |
2966 int in_focus; /* TRUE if focus gained. */ | |
2967 { | |
2968 static time_t last_time = (time_t)0; | |
2969 int need_redraw = FALSE; | |
2970 | |
2971 /* When activated: Check if any file was modified outside of Vim. | |
2972 * Only do this when not done within the last two seconds (could get | |
2973 * several events in a row). */ | |
2974 if (in_focus && last_time + 2 < time(NULL)) | |
2975 { | |
2976 need_redraw = check_timestamps( | |
2977 # ifdef FEAT_GUI | |
2978 gui.in_use | |
2979 # else | |
2980 FALSE | |
2981 # endif | |
2982 ); | |
2983 last_time = time(NULL); | |
2984 } | |
2985 | |
2986 #ifdef FEAT_AUTOCMD | |
2987 /* | |
2988 * Fire the focus gained/lost autocommand. | |
2989 */ | |
2990 need_redraw |= apply_autocmds(in_focus ? EVENT_FOCUSGAINED | |
2991 : EVENT_FOCUSLOST, NULL, NULL, FALSE, curbuf); | |
2992 #endif | |
2993 | |
2994 if (need_redraw) | |
2995 { | |
2996 /* Something was executed, make sure the cursor is put back where it | |
2997 * belongs. */ | |
2998 need_wait_return = FALSE; | |
2999 | |
3000 if (State & CMDLINE) | |
3001 redrawcmdline(); | |
3002 else if (State == HITRETURN || State == SETWSIZE || State == ASKMORE | |
3003 || State == EXTERNCMD || State == CONFIRM || exmode_active) | |
3004 repeat_message(); | |
3005 else if ((State & NORMAL) || (State & INSERT)) | |
3006 { | |
3007 if (must_redraw != 0) | |
3008 update_screen(0); | |
3009 setcursor(); | |
3010 } | |
3011 cursor_on(); /* redrawing may have switched it off */ | |
3012 out_flush(); | |
3013 # ifdef FEAT_GUI | |
3014 if (gui.in_use) | |
3015 { | |
3016 gui_update_cursor(FALSE, TRUE); | |
3017 gui_update_scrollbars(FALSE); | |
3018 } | |
3019 # endif | |
3020 } | |
3021 #ifdef FEAT_TITLE | |
3022 /* File may have been changed from 'readonly' to 'noreadonly' */ | |
3023 if (need_maketitle) | |
3024 maketitle(); | |
3025 #endif | |
3026 } | |
3027 #endif | |
3028 | |
3029 #if defined(USE_IM_CONTROL) || defined(PROTO) | |
3030 /* | |
3031 * Save current Input Method status to specified place. | |
3032 */ | |
3033 void | |
3034 im_save_status(psave) | |
3035 long *psave; | |
3036 { | |
3037 /* Don't save when 'imdisable' is set or "xic" is NULL, IM is always | |
3038 * disabled then (but might start later). | |
3039 * Also don't save when inside a mapping, vgetc_im_active has not been set | |
3040 * then. | |
3041 * And don't save when the keys were stuffed (e.g., for a "." command). | |
3042 * And don't save when the GUI is running but our window doesn't have | |
3043 * input focus (e.g., when a find dialog is open). */ | |
3044 if (!p_imdisable && KeyTyped && !KeyStuffed | |
3045 # ifdef FEAT_XIM | |
3046 && xic != NULL | |
3047 # endif | |
3048 # ifdef FEAT_GUI | |
3049 && (!gui.in_use || gui.in_focus) | |
3050 # endif | |
3051 ) | |
3052 { | |
3053 /* Do save when IM is on, or IM is off and saved status is on. */ | |
3054 if (vgetc_im_active) | |
3055 *psave = B_IMODE_IM; | |
3056 else if (*psave == B_IMODE_IM) | |
3057 *psave = B_IMODE_NONE; | |
3058 } | |
3059 } | |
3060 #endif |