1 /* vi:set ts=8 sts=4 sw=4 noet:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 * GUI/Motif support by Robert Webb
5 *
6 * Do ":help uganda" in Vim to read copying and usage conditions.
7 * Do ":help credits" in Vim to see a list of people who contributed.
8 * See README.txt for an overview of the Vim source code.
9 */
10
11 #include "vim.h"
12
13 // Structure containing all the GUI information
14 gui_T gui;
15
16 #if !defined(FEAT_GUI_GTK)
17 static void set_guifontwide(char_u *font_name);
18 #endif
19 static void gui_check_pos(void);
20 static void gui_reset_scroll_region(void);
21 static void gui_outstr(char_u *, int);
22 static int gui_screenchar(int off, int flags, guicolor_T fg, guicolor_T bg, int back);
23 static int gui_outstr_nowrap(char_u *s, int len, int flags, guicolor_T fg, guicolor_T bg, int back);
24 static void gui_delete_lines(int row, int count);
25 static void gui_insert_lines(int row, int count);
26 static int gui_xy2colrow(int x, int y, int *colp);
27 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
28 static int gui_has_tabline(void);
29 #endif
30 static void gui_do_scrollbar(win_T *wp, int which, int enable);
31 static void gui_update_horiz_scrollbar(int);
32 static void gui_set_fg_color(char_u *name);
33 static void gui_set_bg_color(char_u *name);
34 static win_T *xy2win(int x, int y, mouse_find_T popup);
35
36 #ifdef GUI_MAY_FORK
37 static void gui_do_fork(void);
38
39 static int gui_read_child_pipe(int fd);
40
41 // Return values for gui_read_child_pipe
42 enum {
43 GUI_CHILD_IO_ERROR,
44 GUI_CHILD_OK,
45 GUI_CHILD_FAILED
46 };
47 #endif
48
49 static void gui_attempt_start(void);
50
51 static int can_update_cursor = TRUE; // can display the cursor
52 static int disable_flush = 0; // If > 0, gui_mch_flush() is disabled.
53
54 /*
55 * The Athena scrollbars can move the thumb to after the end of the scrollbar,
56 * this makes the thumb indicate the part of the text that is shown. Motif
57 * can't do this.
58 */
59 #if defined(FEAT_GUI_ATHENA)
60 # define SCROLL_PAST_END
61 #endif
62
63 /*
64 * gui_start -- Called when user wants to start the GUI.
65 *
66 * Careful: This function can be called recursively when there is a ":gui"
67 * command in the .gvimrc file. Only the first call should fork, not the
68 * recursive call.
69 */
70 void
gui_start(char_u * arg UNUSED)71 gui_start(char_u *arg UNUSED)
72 {
73 char_u *old_term;
74 static int recursive = 0;
75 #if defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD)
76 char *msg = NULL;
77 #endif
78
79 old_term = vim_strsave(T_NAME);
80
81 settmode(TMODE_COOK); // stop RAW mode
82 if (full_screen)
83 cursor_on(); // needed for ":gui" in .vimrc
84 full_screen = FALSE;
85
86 ++recursive;
87
88 #ifdef GUI_MAY_FORK
89 /*
90 * Quit the current process and continue in the child.
91 * Makes "gvim file" disconnect from the shell it was started in.
92 * Don't do this when Vim was started with "-f" or the 'f' flag is present
93 * in 'guioptions'.
94 * Don't do this when there is a running job, we can only get the status
95 * of a child from the parent.
96 */
97 if (gui.dofork && !vim_strchr(p_go, GO_FORG) && recursive <= 1
98 # ifdef FEAT_JOB_CHANNEL
99 && !job_any_running()
100 # endif
101 )
102 {
103 gui_do_fork();
104 }
105 else
106 #endif
107 #ifdef GUI_MAY_SPAWN
108 if (gui.dospawn
109 # ifdef EXPERIMENTAL_GUI_CMD
110 && gui.dofork
111 # endif
112 && !vim_strchr(p_go, GO_FORG)
113 && !anyBufIsChanged()
114 # ifdef FEAT_JOB_CHANNEL
115 && !job_any_running()
116 # endif
117 )
118 {
119 # ifdef EXPERIMENTAL_GUI_CMD
120 msg =
121 # endif
122 gui_mch_do_spawn(arg);
123 }
124 else
125 #endif
126 {
127 #ifdef FEAT_GUI_GTK
128 // If there is 'f' in 'guioptions' and specify -g argument,
129 // gui_mch_init_check() was not called yet.
130 if (gui_mch_init_check() != OK)
131 getout_preserve_modified(1);
132 #endif
133 gui_attempt_start();
134 }
135
136 if (!gui.in_use) // failed to start GUI
137 {
138 // Back to old term settings
139 //
140 // FIXME: If we got here because a child process failed and flagged to
141 // the parent to resume, and X11 is enabled, this will
142 // hit an X11 I/O error and do a longjmp(), leaving recursive
143 // permanently set to 1. This is probably not as big a problem as it
144 // sounds, because gui_mch_init() in both gui_x11.c and gui_gtk_x11.c
145 // return "OK" unconditionally, so it would be very difficult to
146 // actually hit this case.
147 termcapinit(old_term);
148 settmode(TMODE_RAW); // restart RAW mode
149 set_title_defaults(); // set 'title' and 'icon' again
150 #if defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD)
151 if (msg)
152 emsg(msg);
153 #endif
154 }
155
156 vim_free(old_term);
157
158 // If the GUI started successfully, trigger the GUIEnter event, otherwise
159 // the GUIFailed event.
160 gui_mch_update();
161 apply_autocmds(gui.in_use ? EVENT_GUIENTER : EVENT_GUIFAILED,
162 NULL, NULL, FALSE, curbuf);
163 --recursive;
164 }
165
166 /*
167 * Set_termname() will call gui_init() to start the GUI.
168 * Set the "starting" flag, to indicate that the GUI will start.
169 *
170 * We don't want to open the GUI shell until after we've read .gvimrc,
171 * otherwise we don't know what font we will use, and hence we don't know
172 * what size the shell should be. So if there are errors in the .gvimrc
173 * file, they will have to go to the terminal: Set full_screen to FALSE.
174 * full_screen will be set to TRUE again by a successful termcapinit().
175 */
176 static void
gui_attempt_start(void)177 gui_attempt_start(void)
178 {
179 static int recursive = 0;
180
181 ++recursive;
182 gui.starting = TRUE;
183
184 #ifdef FEAT_GUI_GTK
185 gui.event_time = GDK_CURRENT_TIME;
186 #endif
187
188 termcapinit((char_u *)"builtin_gui");
189 gui.starting = recursive - 1;
190
191 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
192 if (gui.in_use)
193 {
194 # ifdef FEAT_EVAL
195 Window x11_window;
196 Display *x11_display;
197
198 if (gui_get_x11_windis(&x11_window, &x11_display) == OK)
199 set_vim_var_nr(VV_WINDOWID, (long)x11_window);
200 # endif
201
202 // Display error messages in a dialog now.
203 display_errors();
204 }
205 #endif
206 --recursive;
207 }
208
209 #ifdef GUI_MAY_FORK
210
211 // for waitpid()
212 # if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT)
213 # include <sys/wait.h>
214 # endif
215
216 /*
217 * Create a new process, by forking. In the child, start the GUI, and in
218 * the parent, exit.
219 *
220 * If something goes wrong, this will return with gui.in_use still set
221 * to FALSE, in which case the caller should continue execution without
222 * the GUI.
223 *
224 * If the child fails to start the GUI, then the child will exit and the
225 * parent will return. If the child succeeds, then the parent will exit
226 * and the child will return.
227 */
228 static void
gui_do_fork(void)229 gui_do_fork(void)
230 {
231 int pipefd[2]; // pipe between parent and child
232 int pipe_error;
233 int status;
234 int exit_status;
235 pid_t pid = -1;
236
237 // Setup a pipe between the child and the parent, so that the parent
238 // knows when the child has done the setsid() call and is allowed to
239 // exit.
240 pipe_error = (pipe(pipefd) < 0);
241 pid = fork();
242 if (pid < 0) // Fork error
243 {
244 emsg(_("E851: Failed to create a new process for the GUI"));
245 return;
246 }
247 else if (pid > 0) // Parent
248 {
249 // Give the child some time to do the setsid(), otherwise the
250 // exit() may kill the child too (when starting gvim from inside a
251 // gvim).
252 if (!pipe_error)
253 {
254 // The read returns when the child closes the pipe (or when
255 // the child dies for some reason).
256 close(pipefd[1]);
257 status = gui_read_child_pipe(pipefd[0]);
258 if (status == GUI_CHILD_FAILED)
259 {
260 // The child failed to start the GUI, so the caller must
261 // continue. There may be more error information written
262 // to stderr by the child.
263 # ifdef __NeXT__
264 wait4(pid, &exit_status, 0, (struct rusage *)0);
265 # else
266 waitpid(pid, &exit_status, 0);
267 # endif
268 emsg(_("E852: The child process failed to start the GUI"));
269 return;
270 }
271 else if (status == GUI_CHILD_IO_ERROR)
272 {
273 pipe_error = TRUE;
274 }
275 // else GUI_CHILD_OK: parent exit
276 }
277
278 if (pipe_error)
279 ui_delay(301L, TRUE);
280
281 // When swapping screens we may need to go to the next line, e.g.,
282 // after a hit-enter prompt and using ":gui".
283 if (newline_on_exit)
284 mch_errmsg("\r\n");
285
286 /*
287 * The parent must skip the normal exit() processing, the child
288 * will do it. For example, GTK messes up signals when exiting.
289 */
290 _exit(0);
291 }
292 // Child
293
294 #ifdef FEAT_GUI_GTK
295 // Call gtk_init_check() here after fork(). See gui_init_check().
296 if (gui_mch_init_check() != OK)
297 getout_preserve_modified(1);
298 #endif
299
300 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID)
301 /*
302 * Change our process group. On some systems/shells a CTRL-C in the
303 * shell where Vim was started would otherwise kill gvim!
304 */
305 # if defined(HAVE_SETSID)
306 (void)setsid();
307 # else
308 (void)setpgid(0, 0);
309 # endif
310 # endif
311 if (!pipe_error)
312 close(pipefd[0]);
313
314 # if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
315 // Tell the session manager our new PID
316 gui_mch_forked();
317 # endif
318
319 // Try to start the GUI
320 gui_attempt_start();
321
322 // Notify the parent
323 if (!pipe_error)
324 {
325 if (gui.in_use)
326 write_eintr(pipefd[1], "ok", 3);
327 else
328 write_eintr(pipefd[1], "fail", 5);
329 close(pipefd[1]);
330 }
331
332 // If we failed to start the GUI, exit now.
333 if (!gui.in_use)
334 getout_preserve_modified(1);
335 }
336
337 /*
338 * Read from a pipe assumed to be connected to the child process (this
339 * function is called from the parent).
340 * Return GUI_CHILD_OK if the child successfully started the GUI,
341 * GUY_CHILD_FAILED if the child failed, or GUI_CHILD_IO_ERROR if there was
342 * some other error.
343 *
344 * The file descriptor will be closed before the function returns.
345 */
346 static int
gui_read_child_pipe(int fd)347 gui_read_child_pipe(int fd)
348 {
349 long bytes_read;
350 #define READ_BUFFER_SIZE 10
351 char buffer[READ_BUFFER_SIZE];
352
353 bytes_read = read_eintr(fd, buffer, READ_BUFFER_SIZE - 1);
354 #undef READ_BUFFER_SIZE
355 close(fd);
356 if (bytes_read < 0)
357 return GUI_CHILD_IO_ERROR;
358 buffer[bytes_read] = NUL;
359 if (strcmp(buffer, "ok") == 0)
360 return GUI_CHILD_OK;
361 return GUI_CHILD_FAILED;
362 }
363
364 #endif // GUI_MAY_FORK
365
366 /*
367 * Call this when vim starts up, whether or not the GUI is started
368 */
369 void
gui_prepare(int * argc,char ** argv)370 gui_prepare(int *argc, char **argv)
371 {
372 gui.in_use = FALSE; // No GUI yet (maybe later)
373 gui.starting = FALSE; // No GUI yet (maybe later)
374 gui_mch_prepare(argc, argv);
375 }
376
377 /*
378 * Try initializing the GUI and check if it can be started.
379 * Used from main() to check early if "vim -g" can start the GUI.
380 * Used from gui_init() to prepare for starting the GUI.
381 * Returns FAIL or OK.
382 */
383 int
gui_init_check(void)384 gui_init_check(void)
385 {
386 static int result = MAYBE;
387
388 if (result != MAYBE)
389 {
390 if (result == FAIL)
391 emsg(_("E229: Cannot start the GUI"));
392 return result;
393 }
394
395 gui.shell_created = FALSE;
396 gui.dying = FALSE;
397 gui.in_focus = TRUE; // so the guicursor setting works
398 gui.dragged_sb = SBAR_NONE;
399 gui.dragged_wp = NULL;
400 gui.pointer_hidden = FALSE;
401 gui.col = 0;
402 gui.row = 0;
403 gui.num_cols = Columns;
404 gui.num_rows = Rows;
405
406 gui.cursor_is_valid = FALSE;
407 gui.scroll_region_top = 0;
408 gui.scroll_region_bot = Rows - 1;
409 gui.scroll_region_left = 0;
410 gui.scroll_region_right = Columns - 1;
411 gui.highlight_mask = HL_NORMAL;
412 gui.char_width = 1;
413 gui.char_height = 1;
414 gui.char_ascent = 0;
415 gui.border_width = 0;
416
417 gui.norm_font = NOFONT;
418 #ifndef FEAT_GUI_GTK
419 gui.bold_font = NOFONT;
420 gui.ital_font = NOFONT;
421 gui.boldital_font = NOFONT;
422 # ifdef FEAT_XFONTSET
423 gui.fontset = NOFONTSET;
424 # endif
425 #endif
426 gui.wide_font = NOFONT;
427 #ifndef FEAT_GUI_GTK
428 gui.wide_bold_font = NOFONT;
429 gui.wide_ital_font = NOFONT;
430 gui.wide_boldital_font = NOFONT;
431 #endif
432
433 #ifdef FEAT_MENU
434 # ifndef FEAT_GUI_GTK
435 # ifdef FONTSET_ALWAYS
436 gui.menu_fontset = NOFONTSET;
437 # else
438 gui.menu_font = NOFONT;
439 # endif
440 # endif
441 gui.menu_is_active = TRUE; // default: include menu
442 # ifndef FEAT_GUI_GTK
443 gui.menu_height = MENU_DEFAULT_HEIGHT;
444 gui.menu_width = 0;
445 # endif
446 #endif
447 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) \
448 || defined(FEAT_GUI_HAIKU))
449 gui.toolbar_height = 0;
450 #endif
451 #if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF)
452 gui.footer_height = 0;
453 #endif
454 #ifdef FEAT_BEVAL_TIP
455 gui.tooltip_fontset = NOFONTSET;
456 #endif
457
458 gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH;
459 gui.prev_wrap = -1;
460
461 # ifdef FEAT_GUI_GTK
462 CLEAR_FIELD(gui.ligatures_map);
463 #endif
464
465 #if defined(ALWAYS_USE_GUI) || defined(VIMDLL)
466 result = OK;
467 #else
468 # ifdef FEAT_GUI_GTK
469 /*
470 * Note: Don't call gtk_init_check() before fork, it will be called after
471 * the fork. When calling it before fork, it make vim hang for a while.
472 * See gui_do_fork().
473 * Use a simpler check if the GUI window can probably be opened.
474 */
475 result = gui.dofork ? gui_mch_early_init_check(TRUE) : gui_mch_init_check();
476 # else
477 result = gui_mch_init_check();
478 # endif
479 #endif
480 return result;
481 }
482
483 /*
484 * This is the call which starts the GUI.
485 */
486 void
gui_init(void)487 gui_init(void)
488 {
489 win_T *wp;
490 static int recursive = 0;
491
492 /*
493 * It's possible to use ":gui" in a .gvimrc file. The first halve of this
494 * function will then be executed at the first call, the rest by the
495 * recursive call. This allow the shell to be opened halfway reading a
496 * gvimrc file.
497 */
498 if (!recursive)
499 {
500 ++recursive;
501
502 clip_init(TRUE);
503
504 // If can't initialize, don't try doing the rest
505 if (gui_init_check() == FAIL)
506 {
507 --recursive;
508 clip_init(FALSE);
509 return;
510 }
511
512 /*
513 * Reset 'paste'. It's useful in the terminal, but not in the GUI. It
514 * breaks the Paste toolbar button.
515 */
516 set_option_value((char_u *)"paste", 0L, NULL, 0);
517
518 // Set t_Co to the number of colors: RGB.
519 set_color_count(256 * 256 * 256);
520
521 /*
522 * Set up system-wide default menus.
523 */
524 #if defined(SYS_MENU_FILE) && defined(FEAT_MENU)
525 if (vim_strchr(p_go, GO_NOSYSMENU) == NULL)
526 {
527 sys_menu = TRUE;
528 do_source((char_u *)SYS_MENU_FILE, FALSE, DOSO_NONE, NULL);
529 sys_menu = FALSE;
530 }
531 #endif
532
533 /*
534 * Switch on the mouse by default, unless the user changed it already.
535 * This can then be changed in the .gvimrc.
536 */
537 if (!option_was_set((char_u *)"mouse"))
538 set_string_option_direct((char_u *)"mouse", -1,
539 (char_u *)"a", OPT_FREE, SID_NONE);
540
541 /*
542 * If -U option given, use only the initializations from that file and
543 * nothing else. Skip all initializations for "-U NONE" or "-u NORC".
544 */
545 if (use_gvimrc != NULL)
546 {
547 if (STRCMP(use_gvimrc, "NONE") != 0
548 && STRCMP(use_gvimrc, "NORC") != 0
549 && do_source(use_gvimrc, FALSE, DOSO_NONE, NULL) != OK)
550 semsg(_("E230: Cannot read from \"%s\""), use_gvimrc);
551 }
552 else
553 {
554 /*
555 * Get system wide defaults for gvim, only when file name defined.
556 */
557 #ifdef SYS_GVIMRC_FILE
558 do_source((char_u *)SYS_GVIMRC_FILE, FALSE, DOSO_NONE, NULL);
559 #endif
560
561 /*
562 * Try to read GUI initialization commands from the following
563 * places:
564 * - environment variable GVIMINIT
565 * - the user gvimrc file (~/.gvimrc)
566 * - the second user gvimrc file ($VIM/.gvimrc for Dos)
567 * - the third user gvimrc file ($VIM/.gvimrc for Amiga)
568 * The first that exists is used, the rest is ignored.
569 */
570 if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL
571 && do_source((char_u *)USR_GVIMRC_FILE, TRUE,
572 DOSO_GVIMRC, NULL) == FAIL
573 #ifdef USR_GVIMRC_FILE2
574 && do_source((char_u *)USR_GVIMRC_FILE2, TRUE,
575 DOSO_GVIMRC, NULL) == FAIL
576 #endif
577 #ifdef USR_GVIMRC_FILE3
578 && do_source((char_u *)USR_GVIMRC_FILE3, TRUE,
579 DOSO_GVIMRC, NULL) == FAIL
580 #endif
581 )
582 {
583 #ifdef USR_GVIMRC_FILE4
584 (void)do_source((char_u *)USR_GVIMRC_FILE4, TRUE,
585 DOSO_GVIMRC, NULL);
586 #endif
587 }
588
589 /*
590 * Read initialization commands from ".gvimrc" in current
591 * directory. This is only done if the 'exrc' option is set.
592 * Because of security reasons we disallow shell and write
593 * commands now, except for unix if the file is owned by the user
594 * or 'secure' option has been reset in environment of global
595 * ".gvimrc".
596 * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE,
597 * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE.
598 */
599 if (p_exrc)
600 {
601 #ifdef UNIX
602 {
603 stat_T s;
604
605 // if ".gvimrc" file is not owned by user, set 'secure'
606 // mode
607 if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid())
608 secure = p_secure;
609 }
610 #else
611 secure = p_secure;
612 #endif
613
614 if ( fullpathcmp((char_u *)USR_GVIMRC_FILE,
615 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
616 #ifdef SYS_GVIMRC_FILE
617 && fullpathcmp((char_u *)SYS_GVIMRC_FILE,
618 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
619 #endif
620 #ifdef USR_GVIMRC_FILE2
621 && fullpathcmp((char_u *)USR_GVIMRC_FILE2,
622 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
623 #endif
624 #ifdef USR_GVIMRC_FILE3
625 && fullpathcmp((char_u *)USR_GVIMRC_FILE3,
626 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
627 #endif
628 #ifdef USR_GVIMRC_FILE4
629 && fullpathcmp((char_u *)USR_GVIMRC_FILE4,
630 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
631 #endif
632 )
633 do_source((char_u *)GVIMRC_FILE, TRUE, DOSO_GVIMRC, NULL);
634
635 if (secure == 2)
636 need_wait_return = TRUE;
637 secure = 0;
638 }
639 }
640
641 if (need_wait_return || msg_didany)
642 wait_return(TRUE);
643
644 --recursive;
645 }
646
647 // If recursive call opened the shell, return here from the first call
648 if (gui.in_use)
649 return;
650
651 /*
652 * Create the GUI shell.
653 */
654 gui.in_use = TRUE; // Must be set after menus have been set up
655 if (gui_mch_init() == FAIL)
656 goto error;
657
658 // Avoid a delay for an error message that was printed in the terminal
659 // where Vim was started.
660 emsg_on_display = FALSE;
661 msg_scrolled = 0;
662 clear_sb_text(TRUE);
663 need_wait_return = FALSE;
664 msg_didany = FALSE;
665
666 /*
667 * Check validity of any generic resources that may have been loaded.
668 */
669 if (gui.border_width < 0)
670 gui.border_width = 0;
671
672 /*
673 * Set up the fonts. First use a font specified with "-fn" or "-font".
674 */
675 if (font_argument != NULL)
676 set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0);
677 if (
678 #ifdef FEAT_XFONTSET
679 (*p_guifontset == NUL
680 || gui_init_font(p_guifontset, TRUE) == FAIL) &&
681 #endif
682 gui_init_font(*p_guifont == NUL ? hl_get_font_name()
683 : p_guifont, FALSE) == FAIL)
684 {
685 emsg(_("E665: Cannot start GUI, no valid font found"));
686 goto error2;
687 }
688 if (gui_get_wide_font() == FAIL)
689 emsg(_("E231: 'guifontwide' invalid"));
690
691 gui.num_cols = Columns;
692 gui.num_rows = Rows;
693 gui_reset_scroll_region();
694
695 // Create initial scrollbars
696 FOR_ALL_WINDOWS(wp)
697 {
698 gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp);
699 gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp);
700 }
701 gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL);
702
703 #ifdef FEAT_MENU
704 gui_create_initial_menus(root_menu);
705 #endif
706 #ifdef FEAT_SIGN_ICONS
707 sign_gui_started();
708 #endif
709
710 // Configure the desired menu and scrollbars
711 gui_init_which_components(NULL);
712
713 // All components of the GUI have been created now
714 gui.shell_created = TRUE;
715
716 #ifdef FEAT_GUI_MSWIN
717 // Set the shell size, adjusted for the screen size. For GTK this only
718 // works after the shell has been opened, thus it is further down.
719 // If the window is already maximized (e.g. when --windowid is passed in),
720 // we want to use the system-provided dimensions by passing FALSE to
721 // mustset. Otherwise, we want to initialize with the default rows/columns.
722 if (gui_mch_maximized())
723 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
724 else
725 gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH);
726 #else
727 # ifndef FEAT_GUI_GTK
728 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
729 # endif
730 #endif
731 #if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
732 // Need to set the size of the menubar after all the menus have been
733 // created.
734 gui_mch_compute_menu_height((Widget)0);
735 #endif
736
737 /*
738 * Actually open the GUI shell.
739 */
740 if (gui_mch_open() != FAIL)
741 {
742 maketitle();
743 resettitle();
744
745 init_gui_options();
746 #ifdef FEAT_ARABIC
747 // Our GUI can't do bidi.
748 p_tbidi = FALSE;
749 #endif
750 #if defined(FEAT_GUI_GTK)
751 // Give GTK+ a chance to put all widget's into place.
752 gui_mch_update();
753
754 # ifdef FEAT_MENU
755 // If there is no 'm' in 'guioptions' we need to remove the menu now.
756 // It was still there to make F10 work.
757 if (vim_strchr(p_go, GO_MENUS) == NULL)
758 {
759 --gui.starting;
760 gui_mch_enable_menu(FALSE);
761 ++gui.starting;
762 gui_mch_update();
763 }
764 # endif
765
766 // Now make sure the shell fits on the screen.
767 if (gui_mch_maximized())
768 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
769 else
770 gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH);
771 #endif
772 // When 'lines' was set while starting up the topframe may have to be
773 // resized.
774 win_new_shellsize();
775
776 #ifdef FEAT_BEVAL_GUI
777 // Always create the Balloon Evaluation area, but disable it when
778 // 'ballooneval' is off.
779 if (balloonEval != NULL)
780 {
781 # ifdef FEAT_VARTABS
782 vim_free(balloonEval->vts);
783 # endif
784 vim_free(balloonEval);
785 }
786 balloonEvalForTerm = FALSE;
787 # ifdef FEAT_GUI_GTK
788 balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL,
789 &general_beval_cb, NULL);
790 # else
791 # if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)
792 {
793 extern Widget textArea;
794 balloonEval = gui_mch_create_beval_area(textArea, NULL,
795 &general_beval_cb, NULL);
796 }
797 # else
798 # ifdef FEAT_GUI_MSWIN
799 balloonEval = gui_mch_create_beval_area(NULL, NULL,
800 &general_beval_cb, NULL);
801 # endif
802 # endif
803 # endif
804 if (!p_beval)
805 gui_mch_disable_beval_area(balloonEval);
806 #endif
807
808 #ifndef FEAT_GUI_MSWIN
809 // In the GUI modifiers are prepended to keys.
810 // Don't do this for MS-Windows yet, it sends CTRL-K without the
811 // modifier.
812 seenModifyOtherKeys = TRUE;
813 #endif
814
815 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
816 if (!im_xim_isvalid_imactivate())
817 emsg(_("E599: Value of 'imactivatekey' is invalid"));
818 #endif
819 // When 'cmdheight' was set during startup it may not have taken
820 // effect yet.
821 if (p_ch != 1L)
822 command_height();
823
824 return;
825 }
826
827 error2:
828 #ifdef FEAT_GUI_X11
829 // undo gui_mch_init()
830 gui_mch_uninit();
831 #endif
832
833 error:
834 gui.in_use = FALSE;
835 clip_init(FALSE);
836 }
837
838
839 void
gui_exit(int rc)840 gui_exit(int rc)
841 {
842 // don't free the fonts, it leads to a BUS error
843 // richard@whitequeen.com Jul 99
844 free_highlight_fonts();
845 gui.in_use = FALSE;
846 gui_mch_exit(rc);
847 }
848
849 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \
850 || defined(FEAT_GUI_PHOTON) || defined(PROTO)
851 # define NEED_GUI_UPDATE_SCREEN 1
852 /*
853 * Called when the GUI shell is closed by the user. If there are no changed
854 * files Vim exits, otherwise there will be a dialog to ask the user what to
855 * do.
856 * When this function returns, Vim should NOT exit!
857 */
858 void
gui_shell_closed(void)859 gui_shell_closed(void)
860 {
861 cmdmod_T save_cmdmod = cmdmod;
862
863 if (before_quit_autocmds(curwin, TRUE, FALSE))
864 return;
865
866 // Only exit when there are no changed files
867 exiting = TRUE;
868 # ifdef FEAT_BROWSE
869 cmdmod.cmod_flags |= CMOD_BROWSE;
870 # endif
871 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
872 cmdmod.cmod_flags |= CMOD_CONFIRM;
873 # endif
874 // If there are changed buffers, present the user with a dialog if
875 // possible, otherwise give an error message.
876 if (!check_changed_any(FALSE, FALSE))
877 getout(0);
878
879 exiting = FALSE;
880 cmdmod = save_cmdmod;
881 gui_update_screen(); // redraw, window may show changed buffer
882 }
883 #endif
884
885 /*
886 * Set the font. "font_list" is a comma separated list of font names. The
887 * first font name that works is used. If none is found, use the default
888 * font.
889 * If "fontset" is TRUE, the "font_list" is used as one name for the fontset.
890 * Return OK when able to set the font. When it failed FAIL is returned and
891 * the fonts are unchanged.
892 */
893 int
gui_init_font(char_u * font_list,int fontset UNUSED)894 gui_init_font(char_u *font_list, int fontset UNUSED)
895 {
896 #define FONTLEN 320
897 char_u font_name[FONTLEN];
898 int font_list_empty = FALSE;
899 int ret = FAIL;
900
901 if (!gui.in_use)
902 return FAIL;
903
904 font_name[0] = NUL;
905 if (*font_list == NUL)
906 font_list_empty = TRUE;
907 else
908 {
909 #ifdef FEAT_XFONTSET
910 // When using a fontset, the whole list of fonts is one name.
911 if (fontset)
912 ret = gui_mch_init_font(font_list, TRUE);
913 else
914 #endif
915 while (*font_list != NUL)
916 {
917 // Isolate one comma separated font name.
918 (void)copy_option_part(&font_list, font_name, FONTLEN, ",");
919
920 // Careful!!! The Win32 version of gui_mch_init_font(), when
921 // called with "*" will change p_guifont to the selected font
922 // name, which frees the old value. This makes font_list
923 // invalid. Thus when OK is returned here, font_list must no
924 // longer be used!
925 if (gui_mch_init_font(font_name, FALSE) == OK)
926 {
927 #if !defined(FEAT_GUI_GTK)
928 // If it's a Unicode font, try setting 'guifontwide' to a
929 // similar double-width font.
930 if ((p_guifontwide == NULL || *p_guifontwide == NUL)
931 && strstr((char *)font_name, "10646") != NULL)
932 set_guifontwide(font_name);
933 #endif
934 ret = OK;
935 break;
936 }
937 }
938 }
939
940 if (ret != OK
941 && STRCMP(font_list, "*") != 0
942 && (font_list_empty || gui.norm_font == NOFONT))
943 {
944 /*
945 * Couldn't load any font in 'font_list', keep the current font if
946 * there is one. If 'font_list' is empty, or if there is no current
947 * font, tell gui_mch_init_font() to try to find a font we can load.
948 */
949 ret = gui_mch_init_font(NULL, FALSE);
950 }
951
952 if (ret == OK)
953 {
954 #ifndef FEAT_GUI_GTK
955 // Set normal font as current font
956 # ifdef FEAT_XFONTSET
957 if (gui.fontset != NOFONTSET)
958 gui_mch_set_fontset(gui.fontset);
959 else
960 # endif
961 gui_mch_set_font(gui.norm_font);
962 #endif
963 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
964 }
965
966 return ret;
967 }
968
969 #ifndef FEAT_GUI_GTK
970 /*
971 * Try setting 'guifontwide' to a font twice as wide as "name".
972 */
973 static void
set_guifontwide(char_u * name)974 set_guifontwide(char_u *name)
975 {
976 int i = 0;
977 char_u wide_name[FONTLEN + 10]; // room for 2 * width and '*'
978 char_u *wp = NULL;
979 char_u *p;
980 GuiFont font;
981
982 wp = wide_name;
983 for (p = name; *p != NUL; ++p)
984 {
985 *wp++ = *p;
986 if (*p == '-')
987 {
988 ++i;
989 if (i == 6) // font type: change "--" to "-*-"
990 {
991 if (p[1] == '-')
992 *wp++ = '*';
993 }
994 else if (i == 12) // found the width
995 {
996 ++p;
997 i = getdigits(&p);
998 if (i != 0)
999 {
1000 // Double the width specification.
1001 sprintf((char *)wp, "%d%s", i * 2, p);
1002 font = gui_mch_get_font(wide_name, FALSE);
1003 if (font != NOFONT)
1004 {
1005 gui_mch_free_font(gui.wide_font);
1006 gui.wide_font = font;
1007 set_string_option_direct((char_u *)"gfw", -1,
1008 wide_name, OPT_FREE, 0);
1009 }
1010 }
1011 break;
1012 }
1013 }
1014 }
1015 }
1016 #endif // !FEAT_GUI_GTK
1017
1018 /*
1019 * Get the font for 'guifontwide'.
1020 * Return FAIL for an invalid font name.
1021 */
1022 int
gui_get_wide_font(void)1023 gui_get_wide_font(void)
1024 {
1025 GuiFont font = NOFONT;
1026 char_u font_name[FONTLEN];
1027 char_u *p;
1028
1029 if (!gui.in_use) // Can't allocate font yet, assume it's OK.
1030 return OK; // Will give an error message later.
1031
1032 if (p_guifontwide != NULL && *p_guifontwide != NUL)
1033 {
1034 for (p = p_guifontwide; *p != NUL; )
1035 {
1036 // Isolate one comma separated font name.
1037 (void)copy_option_part(&p, font_name, FONTLEN, ",");
1038 font = gui_mch_get_font(font_name, FALSE);
1039 if (font != NOFONT)
1040 break;
1041 }
1042 if (font == NOFONT)
1043 return FAIL;
1044 }
1045
1046 gui_mch_free_font(gui.wide_font);
1047 #ifdef FEAT_GUI_GTK
1048 // Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'.
1049 if (font != NOFONT && gui.norm_font != NOFONT
1050 && pango_font_description_equal(font, gui.norm_font))
1051 {
1052 gui.wide_font = NOFONT;
1053 gui_mch_free_font(font);
1054 }
1055 else
1056 #endif
1057 gui.wide_font = font;
1058 #ifdef FEAT_GUI_MSWIN
1059 gui_mch_wide_font_changed();
1060 #else
1061 /*
1062 * TODO: setup wide_bold_font, wide_ital_font and wide_boldital_font to
1063 * support those fonts for 'guifontwide'.
1064 */
1065 #endif
1066 return OK;
1067 }
1068
1069 #if defined(FEAT_GUI_GTK) || defined(PROTO)
1070 /*
1071 * Set list of ascii characters that combined can create ligature.
1072 * Store them in char map for quick access from gui_gtk2_draw_string.
1073 */
1074 void
gui_set_ligatures(void)1075 gui_set_ligatures(void)
1076 {
1077 char_u *p;
1078
1079 if (*p_guiligatures != NUL)
1080 {
1081 // check for invalid characters
1082 for (p = p_guiligatures; *p != NUL; ++p)
1083 if (*p < 32 || *p > 127)
1084 {
1085 emsg(_(e_ascii_code_not_in_range));
1086 return;
1087 }
1088
1089 // store valid setting into ligatures_map
1090 CLEAR_FIELD(gui.ligatures_map);
1091 for (p = p_guiligatures; *p != NUL; ++p)
1092 gui.ligatures_map[*p] = 1;
1093 }
1094 else
1095 CLEAR_FIELD(gui.ligatures_map);
1096 }
1097
1098 /*
1099 * Adjust the columns to undraw for when the cursor is on ligatures.
1100 */
1101 static void
gui_adjust_undraw_cursor_for_ligatures(int * startcol,int * endcol)1102 gui_adjust_undraw_cursor_for_ligatures(int *startcol, int *endcol)
1103 {
1104 int off;
1105
1106 if (ScreenLines == NULL || *p_guiligatures == NUL)
1107 return;
1108
1109 // expand before the cursor for all the chars in gui.ligatures_map
1110 off = LineOffset[gui.cursor_row] + *startcol;
1111 if (gui.ligatures_map[ScreenLines[off]])
1112 while (*startcol > 0 && gui.ligatures_map[ScreenLines[--off]])
1113 (*startcol)--;
1114
1115 // expand after the cursor for all the chars in gui.ligatures_map
1116 off = LineOffset[gui.cursor_row] + *endcol;
1117 if (gui.ligatures_map[ScreenLines[off]])
1118 while (*endcol < ((int)screen_Columns - 1)
1119 && gui.ligatures_map[ScreenLines[++off]])
1120 (*endcol)++;
1121 }
1122 #endif
1123
1124 static void
gui_set_cursor(int row,int col)1125 gui_set_cursor(int row, int col)
1126 {
1127 gui.row = row;
1128 gui.col = col;
1129 }
1130
1131 /*
1132 * gui_check_pos - check if the cursor is on the screen.
1133 */
1134 static void
gui_check_pos(void)1135 gui_check_pos(void)
1136 {
1137 if (gui.row >= screen_Rows)
1138 gui.row = screen_Rows - 1;
1139 if (gui.col >= screen_Columns)
1140 gui.col = screen_Columns - 1;
1141 if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns)
1142 gui.cursor_is_valid = FALSE;
1143 }
1144
1145 /*
1146 * Redraw the cursor if necessary or when forced.
1147 * Careful: The contents of ScreenLines[] must match what is on the screen,
1148 * otherwise this goes wrong. May need to call out_flush() first.
1149 */
1150 void
gui_update_cursor(int force,int clear_selection)1151 gui_update_cursor(
1152 int force, // when TRUE, update even when not moved
1153 int clear_selection) // clear selection under cursor
1154 {
1155 int cur_width = 0;
1156 int cur_height = 0;
1157 int old_hl_mask;
1158 cursorentry_T *shape;
1159 int id;
1160 #ifdef FEAT_TERMINAL
1161 guicolor_T shape_fg = INVALCOLOR;
1162 guicolor_T shape_bg = INVALCOLOR;
1163 #endif
1164 guicolor_T cfg, cbg, cc; // cursor fore-/background color
1165 int cattr; // cursor attributes
1166 int attr;
1167 attrentry_T *aep = NULL;
1168
1169 // Don't update the cursor when halfway busy scrolling or the screen size
1170 // doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then.
1171 if (!can_update_cursor || screen_Columns != gui.num_cols
1172 || screen_Rows != gui.num_rows)
1173 return;
1174
1175 gui_check_pos();
1176 if (!gui.cursor_is_valid || force
1177 || gui.row != gui.cursor_row || gui.col != gui.cursor_col)
1178 {
1179 gui_undraw_cursor();
1180
1181 // If a cursor-less sleep is ongoing, leave the cursor invisible
1182 if (cursor_is_sleeping())
1183 return;
1184
1185 if (gui.row < 0)
1186 return;
1187 #ifdef HAVE_INPUT_METHOD
1188 if (gui.row != gui.cursor_row || gui.col != gui.cursor_col)
1189 im_set_position(gui.row, gui.col);
1190 #endif
1191 gui.cursor_row = gui.row;
1192 gui.cursor_col = gui.col;
1193
1194 // Only write to the screen after ScreenLines[] has been initialized
1195 if (!screen_cleared || ScreenLines == NULL)
1196 return;
1197
1198 // Clear the selection if we are about to write over it
1199 if (clear_selection)
1200 clip_may_clear_selection(gui.row, gui.row);
1201 // Check that the cursor is inside the shell (resizing may have made
1202 // it invalid)
1203 if (gui.row >= screen_Rows || gui.col >= screen_Columns)
1204 return;
1205
1206 gui.cursor_is_valid = TRUE;
1207
1208 /*
1209 * How the cursor is drawn depends on the current mode.
1210 * When in a terminal window use the shape/color specified there.
1211 */
1212 #ifdef FEAT_TERMINAL
1213 if (terminal_is_active())
1214 shape = term_get_cursor_shape(&shape_fg, &shape_bg);
1215 else
1216 #endif
1217 shape = &shape_table[get_shape_idx(FALSE)];
1218 if (State & LANGMAP)
1219 id = shape->id_lm;
1220 else
1221 id = shape->id;
1222
1223 // get the colors and attributes for the cursor. Default is inverted
1224 cfg = INVALCOLOR;
1225 cbg = INVALCOLOR;
1226 cattr = HL_INVERSE;
1227 gui_mch_set_blinking(shape->blinkwait,
1228 shape->blinkon,
1229 shape->blinkoff);
1230 if (shape->blinkwait == 0 || shape->blinkon == 0
1231 || shape->blinkoff == 0)
1232 gui_mch_stop_blink(FALSE);
1233 #ifdef FEAT_TERMINAL
1234 if (shape_bg != INVALCOLOR)
1235 {
1236 cattr = 0;
1237 cfg = shape_fg;
1238 cbg = shape_bg;
1239 }
1240 else
1241 #endif
1242 if (id > 0)
1243 {
1244 cattr = syn_id2colors(id, &cfg, &cbg);
1245 #if defined(HAVE_INPUT_METHOD)
1246 {
1247 static int iid;
1248 guicolor_T fg, bg;
1249
1250 if (
1251 # if defined(FEAT_GUI_GTK) && defined(FEAT_XIM)
1252 preedit_get_status()
1253 # else
1254 im_get_status()
1255 # endif
1256 )
1257 {
1258 iid = syn_name2id((char_u *)"CursorIM");
1259 if (iid > 0)
1260 {
1261 syn_id2colors(iid, &fg, &bg);
1262 if (bg != INVALCOLOR)
1263 cbg = bg;
1264 if (fg != INVALCOLOR)
1265 cfg = fg;
1266 }
1267 }
1268 }
1269 #endif
1270 }
1271
1272 /*
1273 * Get the attributes for the character under the cursor.
1274 * When no cursor color was given, use the character color.
1275 */
1276 attr = ScreenAttrs[LineOffset[gui.row] + gui.col];
1277 if (attr > HL_ALL)
1278 aep = syn_gui_attr2entry(attr);
1279 if (aep != NULL)
1280 {
1281 attr = aep->ae_attr;
1282 if (cfg == INVALCOLOR)
1283 cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
1284 : aep->ae_u.gui.fg_color);
1285 if (cbg == INVALCOLOR)
1286 cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
1287 : aep->ae_u.gui.bg_color);
1288 }
1289 if (cfg == INVALCOLOR)
1290 cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel;
1291 if (cbg == INVALCOLOR)
1292 cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel;
1293
1294 #ifdef FEAT_XIM
1295 if (aep != NULL)
1296 {
1297 xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
1298 : aep->ae_u.gui.bg_color);
1299 xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
1300 : aep->ae_u.gui.fg_color);
1301 if (xim_bg_color == INVALCOLOR)
1302 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
1303 : gui.back_pixel;
1304 if (xim_fg_color == INVALCOLOR)
1305 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel
1306 : gui.norm_pixel;
1307 }
1308 else
1309 {
1310 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
1311 : gui.back_pixel;
1312 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel
1313 : gui.norm_pixel;
1314 }
1315 #endif
1316
1317 attr &= ~HL_INVERSE;
1318 if (cattr & HL_INVERSE)
1319 {
1320 cc = cbg;
1321 cbg = cfg;
1322 cfg = cc;
1323 }
1324 cattr &= ~HL_INVERSE;
1325
1326 /*
1327 * When we don't have window focus, draw a hollow cursor.
1328 */
1329 if (!gui.in_focus)
1330 {
1331 gui_mch_draw_hollow_cursor(cbg);
1332 return;
1333 }
1334
1335 old_hl_mask = gui.highlight_mask;
1336 if (shape->shape == SHAPE_BLOCK)
1337 {
1338 /*
1339 * Draw the text character with the cursor colors. Use the
1340 * character attributes plus the cursor attributes.
1341 */
1342 gui.highlight_mask = (cattr | attr);
1343 (void)gui_screenchar(LineOffset[gui.row] + gui.col,
1344 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0);
1345 }
1346 else
1347 {
1348 #if defined(FEAT_RIGHTLEFT)
1349 int col_off = FALSE;
1350 #endif
1351 /*
1352 * First draw the partial cursor, then overwrite with the text
1353 * character, using a transparent background.
1354 */
1355 if (shape->shape == SHAPE_VER)
1356 {
1357 cur_height = gui.char_height;
1358 cur_width = (gui.char_width * shape->percentage + 99) / 100;
1359 }
1360 else
1361 {
1362 cur_height = (gui.char_height * shape->percentage + 99) / 100;
1363 cur_width = gui.char_width;
1364 }
1365 if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col,
1366 LineOffset[gui.row] + screen_Columns) > 1)
1367 {
1368 // Double wide character.
1369 if (shape->shape != SHAPE_VER)
1370 cur_width += gui.char_width;
1371 #ifdef FEAT_RIGHTLEFT
1372 if (CURSOR_BAR_RIGHT)
1373 {
1374 // gui.col points to the left halve of the character but
1375 // the vertical line needs to be on the right halve.
1376 // A double-wide horizontal line is also drawn from the
1377 // right halve in gui_mch_draw_part_cursor().
1378 col_off = TRUE;
1379 ++gui.col;
1380 }
1381 #endif
1382 }
1383 gui_mch_draw_part_cursor(cur_width, cur_height, cbg);
1384 #if defined(FEAT_RIGHTLEFT)
1385 if (col_off)
1386 --gui.col;
1387 #endif
1388
1389 #ifndef FEAT_GUI_MSWIN // doesn't seem to work for MSWindows
1390 gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col];
1391 (void)gui_screenchar(LineOffset[gui.row] + gui.col,
1392 GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR,
1393 (guicolor_T)0, (guicolor_T)0, 0);
1394 #endif
1395 }
1396 gui.highlight_mask = old_hl_mask;
1397 }
1398 }
1399
1400 #if defined(FEAT_MENU) || defined(PROTO)
1401 void
gui_position_menu(void)1402 gui_position_menu(void)
1403 {
1404 # if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
1405 if (gui.menu_is_active && gui.in_use)
1406 gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height);
1407 # endif
1408 }
1409 #endif
1410
1411 /*
1412 * Position the various GUI components (text area, menu). The vertical
1413 * scrollbars are NOT handled here. See gui_update_scrollbars().
1414 */
1415 static void
gui_position_components(int total_width UNUSED)1416 gui_position_components(int total_width UNUSED)
1417 {
1418 int text_area_x;
1419 int text_area_y;
1420 int text_area_width;
1421 int text_area_height;
1422
1423 // avoid that moving components around generates events
1424 ++hold_gui_events;
1425
1426 text_area_x = 0;
1427 if (gui.which_scrollbars[SBAR_LEFT])
1428 text_area_x += gui.scrollbar_width;
1429
1430 text_area_y = 0;
1431 #if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON))
1432 gui.menu_width = total_width;
1433 if (gui.menu_is_active)
1434 text_area_y += gui.menu_height;
1435 #endif
1436 #if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN)
1437 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1438 text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
1439 #endif
1440
1441 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \
1442 || defined(FEAT_GUI_MOTIF))
1443 if (gui_has_tabline())
1444 text_area_y += gui.tabline_height;
1445 #endif
1446
1447 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) \
1448 || defined(FEAT_GUI_HAIKU))
1449 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1450 {
1451 # if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_HAIKU)
1452 gui_mch_set_toolbar_pos(0, text_area_y,
1453 gui.menu_width, gui.toolbar_height);
1454 # endif
1455 text_area_y += gui.toolbar_height;
1456 }
1457 #endif
1458
1459 # if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_HAIKU)
1460 gui_mch_set_tabline_pos(0, text_area_y,
1461 gui.menu_width, gui.tabline_height);
1462 if (gui_has_tabline())
1463 text_area_y += gui.tabline_height;
1464 #endif
1465
1466 text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2;
1467 text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2;
1468
1469 gui_mch_set_text_area_pos(text_area_x,
1470 text_area_y,
1471 text_area_width,
1472 text_area_height
1473 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK)
1474 + xim_get_status_area_height()
1475 #endif
1476 );
1477 #ifdef FEAT_MENU
1478 gui_position_menu();
1479 #endif
1480 if (gui.which_scrollbars[SBAR_BOTTOM])
1481 gui_mch_set_scrollbar_pos(&gui.bottom_sbar,
1482 text_area_x,
1483 text_area_y + text_area_height
1484 + gui_mch_get_scrollbar_ypadding(),
1485 text_area_width,
1486 gui.scrollbar_height);
1487 gui.left_sbar_x = 0;
1488 gui.right_sbar_x = text_area_x + text_area_width
1489 + gui_mch_get_scrollbar_xpadding();
1490
1491 --hold_gui_events;
1492 }
1493
1494 /*
1495 * Get the width of the widgets and decorations to the side of the text area.
1496 */
1497 int
gui_get_base_width(void)1498 gui_get_base_width(void)
1499 {
1500 int base_width;
1501
1502 base_width = 2 * gui.border_offset;
1503 if (gui.which_scrollbars[SBAR_LEFT])
1504 base_width += gui.scrollbar_width;
1505 if (gui.which_scrollbars[SBAR_RIGHT])
1506 base_width += gui.scrollbar_width;
1507 return base_width;
1508 }
1509
1510 /*
1511 * Get the height of the widgets and decorations above and below the text area.
1512 */
1513 int
gui_get_base_height(void)1514 gui_get_base_height(void)
1515 {
1516 int base_height;
1517
1518 base_height = 2 * gui.border_offset;
1519 if (gui.which_scrollbars[SBAR_BOTTOM])
1520 base_height += gui.scrollbar_height;
1521 #ifdef FEAT_GUI_GTK
1522 // We can't take the sizes properly into account until anything is
1523 // realized. Therefore we recalculate all the values here just before
1524 // setting the size. (--mdcki)
1525 #else
1526 # ifdef FEAT_MENU
1527 if (gui.menu_is_active)
1528 base_height += gui.menu_height;
1529 # endif
1530 # ifdef FEAT_TOOLBAR
1531 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1532 # if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR)
1533 base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT);
1534 # else
1535 base_height += gui.toolbar_height;
1536 # endif
1537 # endif
1538 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \
1539 || defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_HAIKU))
1540 if (gui_has_tabline())
1541 base_height += gui.tabline_height;
1542 # endif
1543 # ifdef FEAT_FOOTER
1544 if (vim_strchr(p_go, GO_FOOTER) != NULL)
1545 base_height += gui.footer_height;
1546 # endif
1547 # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
1548 base_height += gui_mch_text_area_extra_height();
1549 # endif
1550 #endif
1551 return base_height;
1552 }
1553
1554 /*
1555 * Should be called after the GUI shell has been resized. Its arguments are
1556 * the new width and height of the shell in pixels.
1557 */
1558 void
gui_resize_shell(int pixel_width,int pixel_height)1559 gui_resize_shell(int pixel_width, int pixel_height)
1560 {
1561 static int busy = FALSE;
1562
1563 if (!gui.shell_created) // ignore when still initializing
1564 return;
1565
1566 /*
1567 * Can't resize the screen while it is being redrawn. Remember the new
1568 * size and handle it later.
1569 */
1570 if (updating_screen || busy)
1571 {
1572 new_pixel_width = pixel_width;
1573 new_pixel_height = pixel_height;
1574 return;
1575 }
1576
1577 again:
1578 new_pixel_width = 0;
1579 new_pixel_height = 0;
1580 busy = TRUE;
1581
1582 #ifdef FEAT_GUI_HAIKU
1583 vim_lock_screen();
1584 #endif
1585
1586 // Flush pending output before redrawing
1587 out_flush();
1588
1589 gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width;
1590 gui.num_rows = (pixel_height - gui_get_base_height()) / gui.char_height;
1591
1592 gui_position_components(pixel_width);
1593 gui_reset_scroll_region();
1594
1595 /*
1596 * At the "more" and ":confirm" prompt there is no redraw, put the cursor
1597 * at the last line here (why does it have to be one row too low?).
1598 */
1599 if (State == ASKMORE || State == CONFIRM)
1600 gui.row = gui.num_rows;
1601
1602 // Only comparing Rows and Columns may be sufficient, but let's stay on
1603 // the safe side.
1604 if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns
1605 || gui.num_rows != Rows || gui.num_cols != Columns)
1606 shell_resized();
1607
1608 #ifdef FEAT_GUI_HAIKU
1609 vim_unlock_screen();
1610 #endif
1611
1612 gui_update_scrollbars(TRUE);
1613 gui_update_cursor(FALSE, TRUE);
1614 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK)
1615 xim_set_status_area();
1616 #endif
1617
1618 busy = FALSE;
1619
1620 // We may have been called again while redrawing the screen.
1621 // Need to do it all again with the latest size then. But only if the size
1622 // actually changed.
1623 if (new_pixel_height)
1624 {
1625 if (pixel_width == new_pixel_width && pixel_height == new_pixel_height)
1626 {
1627 new_pixel_width = 0;
1628 new_pixel_height = 0;
1629 }
1630 else
1631 {
1632 pixel_width = new_pixel_width;
1633 pixel_height = new_pixel_height;
1634 goto again;
1635 }
1636 }
1637 }
1638
1639 /*
1640 * Check if gui_resize_shell() must be called.
1641 */
1642 void
gui_may_resize_shell(void)1643 gui_may_resize_shell(void)
1644 {
1645 if (new_pixel_height)
1646 // careful: gui_resize_shell() may postpone the resize again if we
1647 // were called indirectly by it
1648 gui_resize_shell(new_pixel_width, new_pixel_height);
1649 }
1650
1651 int
gui_get_shellsize(void)1652 gui_get_shellsize(void)
1653 {
1654 Rows = gui.num_rows;
1655 Columns = gui.num_cols;
1656 return OK;
1657 }
1658
1659 /*
1660 * Set the size of the Vim shell according to Rows and Columns.
1661 * If "fit_to_display" is TRUE then the size may be reduced to fit the window
1662 * on the screen.
1663 * When "mustset" is TRUE the size was set by the user. When FALSE a UI
1664 * component was added or removed (e.g., a scrollbar).
1665 */
1666 void
gui_set_shellsize(int mustset UNUSED,int fit_to_display,int direction)1667 gui_set_shellsize(
1668 int mustset UNUSED,
1669 int fit_to_display,
1670 int direction) // RESIZE_HOR, RESIZE_VER
1671 {
1672 int base_width;
1673 int base_height;
1674 int width;
1675 int height;
1676 int min_width;
1677 int min_height;
1678 int screen_w;
1679 int screen_h;
1680 #ifdef FEAT_GUI_GTK
1681 int un_maximize = mustset;
1682 int did_adjust = 0;
1683 #endif
1684 int x = -1, y = -1;
1685
1686 if (!gui.shell_created)
1687 return;
1688
1689 #if defined(MSWIN) || defined(FEAT_GUI_GTK)
1690 // If not setting to a user specified size and maximized, calculate the
1691 // number of characters that fit in the maximized window.
1692 if (!mustset && (vim_strchr(p_go, GO_KEEPWINSIZE) != NULL
1693 || gui_mch_maximized()))
1694 {
1695 gui_mch_newfont();
1696 return;
1697 }
1698 #endif
1699
1700 base_width = gui_get_base_width();
1701 base_height = gui_get_base_height();
1702 if (fit_to_display)
1703 // Remember the original window position.
1704 (void)gui_mch_get_winpos(&x, &y);
1705
1706 width = Columns * gui.char_width + base_width;
1707 height = Rows * gui.char_height + base_height;
1708
1709 if (fit_to_display)
1710 {
1711 gui_mch_get_screen_dimensions(&screen_w, &screen_h);
1712 if ((direction & RESIZE_HOR) && width > screen_w)
1713 {
1714 Columns = (screen_w - base_width) / gui.char_width;
1715 if (Columns < MIN_COLUMNS)
1716 Columns = MIN_COLUMNS;
1717 width = Columns * gui.char_width + base_width;
1718 #ifdef FEAT_GUI_GTK
1719 ++did_adjust;
1720 #endif
1721 }
1722 if ((direction & RESIZE_VERT) && height > screen_h)
1723 {
1724 Rows = (screen_h - base_height) / gui.char_height;
1725 check_shellsize();
1726 height = Rows * gui.char_height + base_height;
1727 #ifdef FEAT_GUI_GTK
1728 ++did_adjust;
1729 #endif
1730 }
1731 #ifdef FEAT_GUI_GTK
1732 if (did_adjust == 2 || (width + gui.char_width >= screen_w
1733 && height + gui.char_height >= screen_h))
1734 // don't unmaximize if at maximum size
1735 un_maximize = FALSE;
1736 #endif
1737 }
1738 limit_screen_size();
1739 gui.num_cols = Columns;
1740 gui.num_rows = Rows;
1741
1742 min_width = base_width + MIN_COLUMNS * gui.char_width;
1743 min_height = base_height + MIN_LINES * gui.char_height;
1744 min_height += tabline_height() * gui.char_height;
1745
1746 #ifdef FEAT_GUI_GTK
1747 if (un_maximize)
1748 {
1749 // If the window size is smaller than the screen unmaximize the
1750 // window, otherwise resizing won't work.
1751 gui_mch_get_screen_dimensions(&screen_w, &screen_h);
1752 if ((width + gui.char_width < screen_w
1753 || height + gui.char_height * 2 < screen_h)
1754 && gui_mch_maximized())
1755 gui_mch_unmaximize();
1756 }
1757 #endif
1758
1759 gui_mch_set_shellsize(width, height, min_width, min_height,
1760 base_width, base_height, direction);
1761
1762 if (fit_to_display && x >= 0 && y >= 0)
1763 {
1764 // Some window managers put the Vim window left of/above the screen.
1765 // Only change the position if it wasn't already negative before
1766 // (happens on MS-Windows with a secondary monitor).
1767 gui_mch_update();
1768 if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0))
1769 gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y);
1770 }
1771
1772 gui_position_components(width);
1773 gui_update_scrollbars(TRUE);
1774 gui_reset_scroll_region();
1775 }
1776
1777 /*
1778 * Called when Rows and/or Columns has changed.
1779 */
1780 void
gui_new_shellsize(void)1781 gui_new_shellsize(void)
1782 {
1783 gui_reset_scroll_region();
1784 }
1785
1786 /*
1787 * Make scroll region cover whole screen.
1788 */
1789 static void
gui_reset_scroll_region(void)1790 gui_reset_scroll_region(void)
1791 {
1792 gui.scroll_region_top = 0;
1793 gui.scroll_region_bot = gui.num_rows - 1;
1794 gui.scroll_region_left = 0;
1795 gui.scroll_region_right = gui.num_cols - 1;
1796 }
1797
1798 static void
gui_start_highlight(int mask)1799 gui_start_highlight(int mask)
1800 {
1801 if (mask > HL_ALL) // highlight code
1802 gui.highlight_mask = mask;
1803 else // mask
1804 gui.highlight_mask |= mask;
1805 }
1806
1807 void
gui_stop_highlight(int mask)1808 gui_stop_highlight(int mask)
1809 {
1810 if (mask > HL_ALL) // highlight code
1811 gui.highlight_mask = HL_NORMAL;
1812 else // mask
1813 gui.highlight_mask &= ~mask;
1814 }
1815
1816 /*
1817 * Clear a rectangular region of the screen from text pos (row1, col1) to
1818 * (row2, col2) inclusive.
1819 */
1820 void
gui_clear_block(int row1,int col1,int row2,int col2)1821 gui_clear_block(
1822 int row1,
1823 int col1,
1824 int row2,
1825 int col2)
1826 {
1827 // Clear the selection if we are about to write over it
1828 clip_may_clear_selection(row1, row2);
1829
1830 gui_mch_clear_block(row1, col1, row2, col2);
1831
1832 // Invalidate cursor if it was in this block
1833 if ( gui.cursor_row >= row1 && gui.cursor_row <= row2
1834 && gui.cursor_col >= col1 && gui.cursor_col <= col2)
1835 gui.cursor_is_valid = FALSE;
1836 }
1837
1838 /*
1839 * Write code to update the cursor later. This avoids the need to flush the
1840 * output buffer before calling gui_update_cursor().
1841 */
1842 void
gui_update_cursor_later(void)1843 gui_update_cursor_later(void)
1844 {
1845 OUT_STR(IF_EB("\033|s", ESC_STR "|s"));
1846 }
1847
1848 void
gui_write(char_u * s,int len)1849 gui_write(
1850 char_u *s,
1851 int len)
1852 {
1853 char_u *p;
1854 int arg1 = 0, arg2 = 0;
1855 int force_cursor = FALSE; // force cursor update
1856 int force_scrollbar = FALSE;
1857 static win_T *old_curwin = NULL;
1858
1859 // #define DEBUG_GUI_WRITE
1860 #ifdef DEBUG_GUI_WRITE
1861 {
1862 int i;
1863 char_u *str;
1864
1865 printf("gui_write(%d):\n ", len);
1866 for (i = 0; i < len; i++)
1867 if (s[i] == ESC)
1868 {
1869 if (i != 0)
1870 printf("\n ");
1871 printf("<ESC>");
1872 }
1873 else
1874 {
1875 str = transchar_byte(s[i]);
1876 if (str[0] && str[1])
1877 printf("<%s>", (char *)str);
1878 else
1879 printf("%s", (char *)str);
1880 }
1881 printf("\n");
1882 }
1883 #endif
1884 while (len)
1885 {
1886 if (s[0] == ESC && s[1] == '|')
1887 {
1888 p = s + 2;
1889 if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(*(p + 1))))
1890 {
1891 arg1 = getdigits(&p);
1892 if (p > s + len)
1893 break;
1894 if (*p == ';')
1895 {
1896 ++p;
1897 arg2 = getdigits(&p);
1898 if (p > s + len)
1899 break;
1900 }
1901 }
1902 switch (*p)
1903 {
1904 case 'C': // Clear screen
1905 clip_scroll_selection(9999);
1906 gui_mch_clear_all();
1907 gui.cursor_is_valid = FALSE;
1908 force_scrollbar = TRUE;
1909 break;
1910 case 'M': // Move cursor
1911 gui_set_cursor(arg1, arg2);
1912 break;
1913 case 's': // force cursor (shape) update
1914 force_cursor = TRUE;
1915 break;
1916 case 'R': // Set scroll region
1917 if (arg1 < arg2)
1918 {
1919 gui.scroll_region_top = arg1;
1920 gui.scroll_region_bot = arg2;
1921 }
1922 else
1923 {
1924 gui.scroll_region_top = arg2;
1925 gui.scroll_region_bot = arg1;
1926 }
1927 break;
1928 case 'V': // Set vertical scroll region
1929 if (arg1 < arg2)
1930 {
1931 gui.scroll_region_left = arg1;
1932 gui.scroll_region_right = arg2;
1933 }
1934 else
1935 {
1936 gui.scroll_region_left = arg2;
1937 gui.scroll_region_right = arg1;
1938 }
1939 break;
1940 case 'd': // Delete line
1941 gui_delete_lines(gui.row, 1);
1942 break;
1943 case 'D': // Delete lines
1944 gui_delete_lines(gui.row, arg1);
1945 break;
1946 case 'i': // Insert line
1947 gui_insert_lines(gui.row, 1);
1948 break;
1949 case 'I': // Insert lines
1950 gui_insert_lines(gui.row, arg1);
1951 break;
1952 case '$': // Clear to end-of-line
1953 gui_clear_block(gui.row, gui.col, gui.row,
1954 (int)Columns - 1);
1955 break;
1956 case 'h': // Turn on highlighting
1957 gui_start_highlight(arg1);
1958 break;
1959 case 'H': // Turn off highlighting
1960 gui_stop_highlight(arg1);
1961 break;
1962 case 'f': // flash the window (visual bell)
1963 gui_mch_flash(arg1 == 0 ? 20 : arg1);
1964 break;
1965 default:
1966 p = s + 1; // Skip the ESC
1967 break;
1968 }
1969 len -= (int)(++p - s);
1970 s = p;
1971 }
1972 else if (
1973 #ifdef EBCDIC
1974 CtrlChar(s[0]) != 0 // Ctrl character
1975 #else
1976 s[0] < 0x20 // Ctrl character
1977 #endif
1978 #ifdef FEAT_SIGN_ICONS
1979 && s[0] != SIGN_BYTE
1980 # ifdef FEAT_NETBEANS_INTG
1981 && s[0] != MULTISIGN_BYTE
1982 # endif
1983 #endif
1984 )
1985 {
1986 if (s[0] == '\n') // NL
1987 {
1988 gui.col = 0;
1989 if (gui.row < gui.scroll_region_bot)
1990 gui.row++;
1991 else
1992 gui_delete_lines(gui.scroll_region_top, 1);
1993 }
1994 else if (s[0] == '\r') // CR
1995 {
1996 gui.col = 0;
1997 }
1998 else if (s[0] == '\b') // Backspace
1999 {
2000 if (gui.col)
2001 --gui.col;
2002 }
2003 else if (s[0] == Ctrl_L) // cursor-right
2004 {
2005 ++gui.col;
2006 }
2007 else if (s[0] == Ctrl_G) // Beep
2008 {
2009 gui_mch_beep();
2010 }
2011 // Other Ctrl character: shouldn't happen!
2012
2013 --len; // Skip this char
2014 ++s;
2015 }
2016 else
2017 {
2018 p = s;
2019 while (len > 0 && (
2020 #ifdef EBCDIC
2021 CtrlChar(*p) == 0
2022 #else
2023 *p >= 0x20
2024 #endif
2025 #ifdef FEAT_SIGN_ICONS
2026 || *p == SIGN_BYTE
2027 # ifdef FEAT_NETBEANS_INTG
2028 || *p == MULTISIGN_BYTE
2029 # endif
2030 #endif
2031 ))
2032 {
2033 len--;
2034 p++;
2035 }
2036 gui_outstr(s, (int)(p - s));
2037 s = p;
2038 }
2039 }
2040
2041 // Postponed update of the cursor (won't work if "can_update_cursor" isn't
2042 // set).
2043 if (force_cursor)
2044 gui_update_cursor(TRUE, TRUE);
2045
2046 // When switching to another window the dragging must have stopped.
2047 // Required for GTK, dragged_sb isn't reset.
2048 if (old_curwin != curwin)
2049 gui.dragged_sb = SBAR_NONE;
2050
2051 // Update the scrollbars after clearing the screen or when switched
2052 // to another window.
2053 // Update the horizontal scrollbar always, it's difficult to check all
2054 // situations where it might change.
2055 if (force_scrollbar || old_curwin != curwin)
2056 gui_update_scrollbars(force_scrollbar);
2057 else
2058 gui_update_horiz_scrollbar(FALSE);
2059 old_curwin = curwin;
2060
2061 /*
2062 * We need to make sure this is cleared since Athena doesn't tell us when
2063 * he is done dragging. Do the same for GTK.
2064 */
2065 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK)
2066 gui.dragged_sb = SBAR_NONE;
2067 #endif
2068
2069 gui_may_flush(); // In case vim decides to take a nap
2070 }
2071
2072 /*
2073 * When ScreenLines[] is invalid, updating the cursor should not be done, it
2074 * produces wrong results. Call gui_dont_update_cursor() before that code and
2075 * gui_can_update_cursor() afterwards.
2076 */
2077 void
gui_dont_update_cursor(int undraw)2078 gui_dont_update_cursor(int undraw)
2079 {
2080 if (gui.in_use)
2081 {
2082 // Undraw the cursor now, we probably can't do it after the change.
2083 if (undraw)
2084 gui_undraw_cursor();
2085 can_update_cursor = FALSE;
2086 }
2087 }
2088
2089 void
gui_can_update_cursor(void)2090 gui_can_update_cursor(void)
2091 {
2092 can_update_cursor = TRUE;
2093 // No need to update the cursor right now, there is always more output
2094 // after scrolling.
2095 }
2096
2097 /*
2098 * Disable issuing gui_mch_flush().
2099 */
2100 void
gui_disable_flush(void)2101 gui_disable_flush(void)
2102 {
2103 ++disable_flush;
2104 }
2105
2106 /*
2107 * Enable issuing gui_mch_flush().
2108 */
2109 void
gui_enable_flush(void)2110 gui_enable_flush(void)
2111 {
2112 --disable_flush;
2113 }
2114
2115 /*
2116 * Issue gui_mch_flush() if it is not disabled.
2117 */
2118 void
gui_may_flush(void)2119 gui_may_flush(void)
2120 {
2121 if (disable_flush == 0)
2122 gui_mch_flush();
2123 }
2124
2125 static void
gui_outstr(char_u * s,int len)2126 gui_outstr(char_u *s, int len)
2127 {
2128 int this_len;
2129 int cells;
2130
2131 if (len == 0)
2132 return;
2133
2134 if (len < 0)
2135 len = (int)STRLEN(s);
2136
2137 while (len > 0)
2138 {
2139 if (has_mbyte)
2140 {
2141 // Find out how many chars fit in the current line.
2142 cells = 0;
2143 for (this_len = 0; this_len < len; )
2144 {
2145 cells += (*mb_ptr2cells)(s + this_len);
2146 if (gui.col + cells > Columns)
2147 break;
2148 this_len += (*mb_ptr2len)(s + this_len);
2149 }
2150 if (this_len > len)
2151 this_len = len; // don't include following composing char
2152 }
2153 else
2154 if (gui.col + len > Columns)
2155 this_len = Columns - gui.col;
2156 else
2157 this_len = len;
2158
2159 (void)gui_outstr_nowrap(s, this_len,
2160 0, (guicolor_T)0, (guicolor_T)0, 0);
2161 s += this_len;
2162 len -= this_len;
2163 // fill up for a double-width char that doesn't fit.
2164 if (len > 0 && gui.col < Columns)
2165 (void)gui_outstr_nowrap((char_u *)" ", 1,
2166 0, (guicolor_T)0, (guicolor_T)0, 0);
2167 // The cursor may wrap to the next line.
2168 if (gui.col >= Columns)
2169 {
2170 gui.col = 0;
2171 gui.row++;
2172 }
2173 }
2174 }
2175
2176 /*
2177 * Output one character (may be one or two display cells).
2178 * Caller must check for valid "off".
2179 * Returns FAIL or OK, just like gui_outstr_nowrap().
2180 */
2181 static int
gui_screenchar(int off,int flags,guicolor_T fg,guicolor_T bg,int back)2182 gui_screenchar(
2183 int off, // Offset from start of screen
2184 int flags,
2185 guicolor_T fg, // colors for cursor
2186 guicolor_T bg, // colors for cursor
2187 int back) // backup this many chars when using bold trick
2188 {
2189 char_u buf[MB_MAXBYTES + 1];
2190
2191 // Don't draw right halve of a double-width UTF-8 char. "cannot happen"
2192 if (enc_utf8 && ScreenLines[off] == 0)
2193 return OK;
2194
2195 if (enc_utf8 && ScreenLinesUC[off] != 0)
2196 // Draw UTF-8 multi-byte character.
2197 return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf),
2198 flags, fg, bg, back);
2199
2200 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
2201 {
2202 buf[0] = ScreenLines[off];
2203 buf[1] = ScreenLines2[off];
2204 return gui_outstr_nowrap(buf, 2, flags, fg, bg, back);
2205 }
2206
2207 // Draw non-multi-byte character or DBCS character.
2208 return gui_outstr_nowrap(ScreenLines + off,
2209 enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1,
2210 flags, fg, bg, back);
2211 }
2212
2213 #ifdef FEAT_GUI_GTK
2214 /*
2215 * Output the string at the given screen position. This is used in place
2216 * of gui_screenchar() where possible because Pango needs as much context
2217 * as possible to work nicely. It's a lot faster as well.
2218 */
2219 static int
gui_screenstr(int off,int len,int flags,guicolor_T fg,guicolor_T bg,int back)2220 gui_screenstr(
2221 int off, // Offset from start of screen
2222 int len, // string length in screen cells
2223 int flags,
2224 guicolor_T fg, // colors for cursor
2225 guicolor_T bg, // colors for cursor
2226 int back) // backup this many chars when using bold trick
2227 {
2228 char_u *buf;
2229 int outlen = 0;
2230 int i;
2231 int retval;
2232
2233 if (len <= 0) // "cannot happen"?
2234 return OK;
2235
2236 if (enc_utf8)
2237 {
2238 buf = alloc(len * MB_MAXBYTES + 1);
2239 if (buf == NULL)
2240 return OK; // not much we could do here...
2241
2242 for (i = off; i < off + len; ++i)
2243 {
2244 if (ScreenLines[i] == 0)
2245 continue; // skip second half of double-width char
2246
2247 if (ScreenLinesUC[i] == 0)
2248 buf[outlen++] = ScreenLines[i];
2249 else
2250 outlen += utfc_char2bytes(i, buf + outlen);
2251 }
2252
2253 buf[outlen] = NUL; // only to aid debugging
2254 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back);
2255 vim_free(buf);
2256
2257 return retval;
2258 }
2259 else if (enc_dbcs == DBCS_JPNU)
2260 {
2261 buf = alloc(len * 2 + 1);
2262 if (buf == NULL)
2263 return OK; // not much we could do here...
2264
2265 for (i = off; i < off + len; ++i)
2266 {
2267 buf[outlen++] = ScreenLines[i];
2268
2269 // handle double-byte single-width char
2270 if (ScreenLines[i] == 0x8e)
2271 buf[outlen++] = ScreenLines2[i];
2272 else if (MB_BYTE2LEN(ScreenLines[i]) == 2)
2273 buf[outlen++] = ScreenLines[++i];
2274 }
2275
2276 buf[outlen] = NUL; // only to aid debugging
2277 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back);
2278 vim_free(buf);
2279
2280 return retval;
2281 }
2282 else
2283 {
2284 return gui_outstr_nowrap(&ScreenLines[off], len,
2285 flags, fg, bg, back);
2286 }
2287 }
2288 #endif // FEAT_GUI_GTK
2289
2290 /*
2291 * Output the given string at the current cursor position. If the string is
2292 * too long to fit on the line, then it is truncated.
2293 * "flags":
2294 * GUI_MON_IS_CURSOR should only be used when this function is being called to
2295 * actually draw (an inverted) cursor.
2296 * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparent
2297 * background.
2298 * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over
2299 * it.
2300 * Returns OK, unless "back" is non-zero and using the bold trick, then return
2301 * FAIL (the caller should start drawing "back" chars back).
2302 */
2303 static int
gui_outstr_nowrap(char_u * s,int len,int flags,guicolor_T fg,guicolor_T bg,int back)2304 gui_outstr_nowrap(
2305 char_u *s,
2306 int len,
2307 int flags,
2308 guicolor_T fg, // colors for cursor
2309 guicolor_T bg, // colors for cursor
2310 int back) // backup this many chars when using bold trick
2311 {
2312 long_u highlight_mask;
2313 long_u hl_mask_todo;
2314 guicolor_T fg_color;
2315 guicolor_T bg_color;
2316 guicolor_T sp_color;
2317 #if !defined(FEAT_GUI_GTK)
2318 GuiFont font = NOFONT;
2319 GuiFont wide_font = NOFONT;
2320 # ifdef FEAT_XFONTSET
2321 GuiFontset fontset = NOFONTSET;
2322 # endif
2323 #endif
2324 attrentry_T *aep = NULL;
2325 int draw_flags;
2326 int col = gui.col;
2327 #ifdef FEAT_SIGN_ICONS
2328 int draw_sign = FALSE;
2329 int signcol = 0;
2330 char_u extra[18];
2331 # ifdef FEAT_NETBEANS_INTG
2332 int multi_sign = FALSE;
2333 # endif
2334 #endif
2335
2336 if (len < 0)
2337 len = (int)STRLEN(s);
2338 if (len == 0)
2339 return OK;
2340
2341 #ifdef FEAT_SIGN_ICONS
2342 if (*s == SIGN_BYTE
2343 # ifdef FEAT_NETBEANS_INTG
2344 || *s == MULTISIGN_BYTE
2345 # endif
2346 )
2347 {
2348 # ifdef FEAT_NETBEANS_INTG
2349 if (*s == MULTISIGN_BYTE)
2350 multi_sign = TRUE;
2351 # endif
2352 // draw spaces instead
2353 if (*curwin->w_p_scl == 'n' && *(curwin->w_p_scl + 1) == 'u' &&
2354 (curwin->w_p_nu || curwin->w_p_rnu))
2355 {
2356 sprintf((char *)extra, "%*c ", number_width(curwin), ' ');
2357 s = extra;
2358 }
2359 else
2360 s = (char_u *)" ";
2361 if (len == 1 && col > 0)
2362 --col;
2363 len = (int)STRLEN(s);
2364 if (len > 2)
2365 // right align sign icon in the number column
2366 signcol = col + len - 3;
2367 else
2368 signcol = col;
2369 draw_sign = TRUE;
2370 highlight_mask = 0;
2371 }
2372 else
2373 #endif
2374 if (gui.highlight_mask > HL_ALL)
2375 {
2376 aep = syn_gui_attr2entry(gui.highlight_mask);
2377 if (aep == NULL) // highlighting not set
2378 highlight_mask = 0;
2379 else
2380 highlight_mask = aep->ae_attr;
2381 }
2382 else
2383 highlight_mask = gui.highlight_mask;
2384 hl_mask_todo = highlight_mask;
2385
2386 #if !defined(FEAT_GUI_GTK)
2387 // Set the font
2388 if (aep != NULL && aep->ae_u.gui.font != NOFONT)
2389 font = aep->ae_u.gui.font;
2390 # ifdef FEAT_XFONTSET
2391 else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET)
2392 fontset = aep->ae_u.gui.fontset;
2393 # endif
2394 else
2395 {
2396 # ifdef FEAT_XFONTSET
2397 if (gui.fontset != NOFONTSET)
2398 fontset = gui.fontset;
2399 else
2400 # endif
2401 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
2402 {
2403 if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT)
2404 {
2405 font = gui.boldital_font;
2406 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC);
2407 }
2408 else if (gui.bold_font != NOFONT)
2409 {
2410 font = gui.bold_font;
2411 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT);
2412 }
2413 else
2414 font = gui.norm_font;
2415 }
2416 else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT)
2417 {
2418 font = gui.ital_font;
2419 hl_mask_todo &= ~HL_ITALIC;
2420 }
2421 else
2422 font = gui.norm_font;
2423
2424 /*
2425 * Choose correct wide_font by font. wide_font should be set with font
2426 * at same time in above block. But it will make many "ifdef" nasty
2427 * blocks. So we do it here.
2428 */
2429 if (font == gui.boldital_font && gui.wide_boldital_font)
2430 wide_font = gui.wide_boldital_font;
2431 else if (font == gui.bold_font && gui.wide_bold_font)
2432 wide_font = gui.wide_bold_font;
2433 else if (font == gui.ital_font && gui.wide_ital_font)
2434 wide_font = gui.wide_ital_font;
2435 else if (font == gui.norm_font && gui.wide_font)
2436 wide_font = gui.wide_font;
2437 }
2438 # ifdef FEAT_XFONTSET
2439 if (fontset != NOFONTSET)
2440 gui_mch_set_fontset(fontset);
2441 else
2442 # endif
2443 gui_mch_set_font(font);
2444 #endif
2445
2446 draw_flags = 0;
2447
2448 // Set the color
2449 bg_color = gui.back_pixel;
2450 if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus)
2451 {
2452 draw_flags |= DRAW_CURSOR;
2453 fg_color = fg;
2454 bg_color = bg;
2455 sp_color = fg;
2456 }
2457 else if (aep != NULL)
2458 {
2459 fg_color = aep->ae_u.gui.fg_color;
2460 if (fg_color == INVALCOLOR)
2461 fg_color = gui.norm_pixel;
2462 bg_color = aep->ae_u.gui.bg_color;
2463 if (bg_color == INVALCOLOR)
2464 bg_color = gui.back_pixel;
2465 sp_color = aep->ae_u.gui.sp_color;
2466 if (sp_color == INVALCOLOR)
2467 sp_color = fg_color;
2468 }
2469 else
2470 {
2471 fg_color = gui.norm_pixel;
2472 sp_color = fg_color;
2473 }
2474
2475 if (highlight_mask & (HL_INVERSE | HL_STANDOUT))
2476 {
2477 gui_mch_set_fg_color(bg_color);
2478 gui_mch_set_bg_color(fg_color);
2479 }
2480 else
2481 {
2482 gui_mch_set_fg_color(fg_color);
2483 gui_mch_set_bg_color(bg_color);
2484 }
2485 gui_mch_set_sp_color(sp_color);
2486
2487 // Clear the selection if we are about to write over it
2488 if (!(flags & GUI_MON_NOCLEAR))
2489 clip_may_clear_selection(gui.row, gui.row);
2490
2491
2492 // If there's no bold font, then fake it
2493 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
2494 draw_flags |= DRAW_BOLD;
2495
2496 /*
2497 * When drawing bold or italic characters the spill-over from the left
2498 * neighbor may be destroyed. Let the caller backup to start redrawing
2499 * just after a blank.
2500 */
2501 if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC)))
2502 return FAIL;
2503
2504 #if defined(FEAT_GUI_GTK)
2505 // If there's no italic font, then fake it.
2506 // For GTK2, we don't need a different font for italic style.
2507 if (hl_mask_todo & HL_ITALIC)
2508 draw_flags |= DRAW_ITALIC;
2509
2510 // Do we underline the text?
2511 if (hl_mask_todo & HL_UNDERLINE)
2512 draw_flags |= DRAW_UNDERL;
2513
2514 #else
2515 // Do we underline the text?
2516 if ((hl_mask_todo & HL_UNDERLINE) || (hl_mask_todo & HL_ITALIC))
2517 draw_flags |= DRAW_UNDERL;
2518 #endif
2519 // Do we undercurl the text?
2520 if (hl_mask_todo & HL_UNDERCURL)
2521 draw_flags |= DRAW_UNDERC;
2522
2523 // Do we strikethrough the text?
2524 if (hl_mask_todo & HL_STRIKETHROUGH)
2525 draw_flags |= DRAW_STRIKE;
2526
2527 // Do we draw transparently?
2528 if (flags & GUI_MON_TRS_CURSOR)
2529 draw_flags |= DRAW_TRANSP;
2530
2531 /*
2532 * Draw the text.
2533 */
2534 #ifdef FEAT_GUI_GTK
2535 // The value returned is the length in display cells
2536 len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags);
2537 #else
2538 if (enc_utf8)
2539 {
2540 int start; // index of bytes to be drawn
2541 int cells; // cellwidth of bytes to be drawn
2542 int thislen; // length of bytes to be drawn
2543 int cn; // cellwidth of current char
2544 int i; // index of current char
2545 int c; // current char value
2546 int cl; // byte length of current char
2547 int comping; // current char is composing
2548 int scol = col; // screen column
2549 int curr_wide = FALSE; // use 'guifontwide'
2550 int prev_wide = FALSE;
2551 int wide_changed;
2552 # ifdef MSWIN
2553 int sep_comp = FALSE; // Don't separate composing chars.
2554 # else
2555 int sep_comp = TRUE; // Separate composing chars.
2556 # endif
2557
2558 // Break the string at a composing character, it has to be drawn on
2559 // top of the previous character.
2560 start = 0;
2561 cells = 0;
2562 for (i = 0; i < len; i += cl)
2563 {
2564 c = utf_ptr2char(s + i);
2565 cn = utf_char2cells(c);
2566 comping = utf_iscomposing(c);
2567 if (!comping) // count cells from non-composing chars
2568 cells += cn;
2569 if (!comping || sep_comp)
2570 {
2571 if (cn > 1
2572 # ifdef FEAT_XFONTSET
2573 && fontset == NOFONTSET
2574 # endif
2575 && wide_font != NOFONT)
2576 curr_wide = TRUE;
2577 else
2578 curr_wide = FALSE;
2579 }
2580 cl = utf_ptr2len(s + i);
2581 if (cl == 0) // hit end of string
2582 len = i + cl; // len must be wrong "cannot happen"
2583
2584 wide_changed = curr_wide != prev_wide;
2585
2586 // Print the string so far if it's the last character or there is
2587 // a composing character.
2588 if (i + cl >= len || (comping && sep_comp && i > start)
2589 || wide_changed
2590 # if defined(FEAT_GUI_X11)
2591 || (cn > 1
2592 # ifdef FEAT_XFONTSET
2593 // No fontset: At least draw char after wide char at
2594 // right position.
2595 && fontset == NOFONTSET
2596 # endif
2597 )
2598 # endif
2599 )
2600 {
2601 if ((comping && sep_comp) || wide_changed)
2602 thislen = i - start;
2603 else
2604 thislen = i - start + cl;
2605 if (thislen > 0)
2606 {
2607 if (prev_wide)
2608 gui_mch_set_font(wide_font);
2609 gui_mch_draw_string(gui.row, scol, s + start, thislen,
2610 draw_flags);
2611 if (prev_wide)
2612 gui_mch_set_font(font);
2613 start += thislen;
2614 }
2615 scol += cells;
2616 cells = 0;
2617 // Adjust to not draw a character which width is changed
2618 // against with last one.
2619 if (wide_changed && !(comping && sep_comp))
2620 {
2621 scol -= cn;
2622 cl = 0;
2623 }
2624
2625 # if defined(FEAT_GUI_X11)
2626 // No fontset: draw a space to fill the gap after a wide char
2627 //
2628 if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0
2629 # ifdef FEAT_XFONTSET
2630 && fontset == NOFONTSET
2631 # endif
2632 && !wide_changed)
2633 gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ",
2634 1, draw_flags);
2635 # endif
2636 }
2637 // Draw a composing char on top of the previous char.
2638 if (comping && sep_comp)
2639 {
2640 # if defined(__APPLE_CC__) && TARGET_API_MAC_CARBON
2641 // Carbon ATSUI autodraws composing char over previous char
2642 gui_mch_draw_string(gui.row, scol, s + i, cl,
2643 draw_flags | DRAW_TRANSP);
2644 # else
2645 gui_mch_draw_string(gui.row, scol - cn, s + i, cl,
2646 draw_flags | DRAW_TRANSP);
2647 # endif
2648 start = i + cl;
2649 }
2650 prev_wide = curr_wide;
2651 }
2652 // The stuff below assumes "len" is the length in screen columns.
2653 len = scol - col;
2654 }
2655 else
2656 {
2657 gui_mch_draw_string(gui.row, col, s, len, draw_flags);
2658 if (enc_dbcs == DBCS_JPNU)
2659 {
2660 // Get the length in display cells, this can be different from the
2661 // number of bytes for "euc-jp".
2662 len = mb_string2cells(s, len);
2663 }
2664 }
2665 #endif // !FEAT_GUI_GTK
2666
2667 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR)))
2668 gui.col = col + len;
2669
2670 // May need to invert it when it's part of the selection.
2671 if (flags & GUI_MON_NOCLEAR)
2672 clip_may_redraw_selection(gui.row, col, len);
2673
2674 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR)))
2675 {
2676 // Invalidate the old physical cursor position if we wrote over it
2677 if (gui.cursor_row == gui.row
2678 && gui.cursor_col >= col
2679 && gui.cursor_col < col + len)
2680 gui.cursor_is_valid = FALSE;
2681 }
2682
2683 #ifdef FEAT_SIGN_ICONS
2684 if (draw_sign)
2685 // Draw the sign on top of the spaces.
2686 gui_mch_drawsign(gui.row, signcol, gui.highlight_mask);
2687 # if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \
2688 || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MSWIN))
2689 if (multi_sign)
2690 netbeans_draw_multisign_indicator(gui.row);
2691 # endif
2692 #endif
2693
2694 return OK;
2695 }
2696
2697 /*
2698 * Undraw the cursor. This actually redraws the character at the cursor
2699 * position, plus some more characters when needed.
2700 */
2701 void
gui_undraw_cursor(void)2702 gui_undraw_cursor(void)
2703 {
2704 if (gui.cursor_is_valid)
2705 {
2706 // Always redraw the character just before if there is one, because
2707 // with some fonts and characters there can be a one pixel overlap.
2708 int startcol = gui.cursor_col > 0 ? gui.cursor_col - 1 : gui.cursor_col;
2709 int endcol = gui.cursor_col;
2710
2711 #ifdef FEAT_GUI_GTK
2712 gui_adjust_undraw_cursor_for_ligatures(&startcol, &endcol);
2713 #endif
2714 gui_redraw_block(gui.cursor_row, startcol,
2715 gui.cursor_row, endcol, GUI_MON_NOCLEAR);
2716
2717 // Cursor_is_valid is reset when the cursor is undrawn, also reset it
2718 // here in case it wasn't needed to undraw it.
2719 gui.cursor_is_valid = FALSE;
2720 }
2721 }
2722
2723 void
gui_redraw(int x,int y,int w,int h)2724 gui_redraw(
2725 int x,
2726 int y,
2727 int w,
2728 int h)
2729 {
2730 int row1, col1, row2, col2;
2731
2732 row1 = Y_2_ROW(y);
2733 col1 = X_2_COL(x);
2734 row2 = Y_2_ROW(y + h - 1);
2735 col2 = X_2_COL(x + w - 1);
2736
2737 gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR);
2738
2739 /*
2740 * We may need to redraw the cursor, but don't take it upon us to change
2741 * its location after a scroll.
2742 * (maybe be more strict even and test col too?)
2743 * These things may be outside the update/clipping region and reality may
2744 * not reflect Vims internal ideas if these operations are clipped away.
2745 */
2746 if (gui.row == gui.cursor_row)
2747 gui_update_cursor(TRUE, TRUE);
2748 }
2749
2750 /*
2751 * Draw a rectangular block of characters, from row1 to row2 (inclusive) and
2752 * from col1 to col2 (inclusive).
2753 */
2754 void
gui_redraw_block(int row1,int col1,int row2,int col2,int flags)2755 gui_redraw_block(
2756 int row1,
2757 int col1,
2758 int row2,
2759 int col2,
2760 int flags) // flags for gui_outstr_nowrap()
2761 {
2762 int old_row, old_col;
2763 long_u old_hl_mask;
2764 int off;
2765 sattr_T first_attr;
2766 int idx, len;
2767 int back, nback;
2768 int orig_col1, orig_col2;
2769
2770 // Don't try to update when ScreenLines is not valid
2771 if (!screen_cleared || ScreenLines == NULL)
2772 return;
2773
2774 // Don't try to draw outside the shell!
2775 // Check everything, strange values may be caused by a big border width
2776 col1 = check_col(col1);
2777 col2 = check_col(col2);
2778 row1 = check_row(row1);
2779 row2 = check_row(row2);
2780
2781 // Remember where our cursor was
2782 old_row = gui.row;
2783 old_col = gui.col;
2784 old_hl_mask = gui.highlight_mask;
2785 orig_col1 = col1;
2786 orig_col2 = col2;
2787
2788 for (gui.row = row1; gui.row <= row2; gui.row++)
2789 {
2790 // When only half of a double-wide character is in the block, include
2791 // the other half.
2792 col1 = orig_col1;
2793 col2 = orig_col2;
2794 off = LineOffset[gui.row];
2795 if (enc_dbcs != 0)
2796 {
2797 if (col1 > 0)
2798 col1 -= dbcs_screen_head_off(ScreenLines + off,
2799 ScreenLines + off + col1);
2800 col2 += dbcs_screen_tail_off(ScreenLines + off,
2801 ScreenLines + off + col2);
2802 }
2803 else if (enc_utf8)
2804 {
2805 if (ScreenLines[off + col1] == 0)
2806 {
2807 if (col1 > 0)
2808 --col1;
2809 else
2810 {
2811 // FIXME: how can the first character ever be zero?
2812 // Make this IEMSGN when it no longer breaks Travis CI.
2813 vim_snprintf((char *)IObuff, IOSIZE,
2814 "INTERNAL ERROR: NUL in ScreenLines in row %ld",
2815 (long)gui.row);
2816 msg((char *)IObuff);
2817 }
2818 }
2819 #ifdef FEAT_GUI_GTK
2820 if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0)
2821 ++col2;
2822 #endif
2823 }
2824 gui.col = col1;
2825 off = LineOffset[gui.row] + gui.col;
2826 len = col2 - col1 + 1;
2827
2828 // Find how many chars back this highlighting starts, or where a space
2829 // is. Needed for when the bold trick is used
2830 for (back = 0; back < col1; ++back)
2831 if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off]
2832 || ScreenLines[off - 1 - back] == ' ')
2833 break;
2834
2835 // Break it up in strings of characters with the same attributes.
2836 // Print UTF-8 characters individually.
2837 while (len > 0)
2838 {
2839 first_attr = ScreenAttrs[off];
2840 gui.highlight_mask = first_attr;
2841 #if !defined(FEAT_GUI_GTK)
2842 if (enc_utf8 && ScreenLinesUC[off] != 0)
2843 {
2844 // output multi-byte character separately
2845 nback = gui_screenchar(off, flags,
2846 (guicolor_T)0, (guicolor_T)0, back);
2847 if (gui.col < Columns && ScreenLines[off + 1] == 0)
2848 idx = 2;
2849 else
2850 idx = 1;
2851 }
2852 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
2853 {
2854 // output double-byte, single-width character separately
2855 nback = gui_screenchar(off, flags,
2856 (guicolor_T)0, (guicolor_T)0, back);
2857 idx = 1;
2858 }
2859 else
2860 #endif
2861 {
2862 #ifdef FEAT_GUI_GTK
2863 for (idx = 0; idx < len; ++idx)
2864 {
2865 if (enc_utf8 && ScreenLines[off + idx] == 0)
2866 continue; // skip second half of double-width char
2867 if (ScreenAttrs[off + idx] != first_attr)
2868 break;
2869 }
2870 // gui_screenstr() takes care of multibyte chars
2871 nback = gui_screenstr(off, idx, flags,
2872 (guicolor_T)0, (guicolor_T)0, back);
2873 #else
2874 for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr;
2875 idx++)
2876 {
2877 // Stop at a multi-byte Unicode character.
2878 if (enc_utf8 && ScreenLinesUC[off + idx] != 0)
2879 break;
2880 if (enc_dbcs == DBCS_JPNU)
2881 {
2882 // Stop at a double-byte single-width char.
2883 if (ScreenLines[off + idx] == 0x8e)
2884 break;
2885 if (len > 1 && (*mb_ptr2len)(ScreenLines
2886 + off + idx) == 2)
2887 ++idx; // skip second byte of double-byte char
2888 }
2889 }
2890 nback = gui_outstr_nowrap(ScreenLines + off, idx, flags,
2891 (guicolor_T)0, (guicolor_T)0, back);
2892 #endif
2893 }
2894 if (nback == FAIL)
2895 {
2896 // Must back up to start drawing where a bold or italic word
2897 // starts.
2898 off -= back;
2899 len += back;
2900 gui.col -= back;
2901 }
2902 else
2903 {
2904 off += idx;
2905 len -= idx;
2906 }
2907 back = 0;
2908 }
2909 }
2910
2911 // Put the cursor back where it was
2912 gui.row = old_row;
2913 gui.col = old_col;
2914 gui.highlight_mask = (int)old_hl_mask;
2915 }
2916
2917 static void
gui_delete_lines(int row,int count)2918 gui_delete_lines(int row, int count)
2919 {
2920 if (count <= 0)
2921 return;
2922
2923 if (row + count > gui.scroll_region_bot)
2924 // Scrolled out of region, just blank the lines out
2925 gui_clear_block(row, gui.scroll_region_left,
2926 gui.scroll_region_bot, gui.scroll_region_right);
2927 else
2928 {
2929 gui_mch_delete_lines(row, count);
2930
2931 // If the cursor was in the deleted lines it's now gone. If the
2932 // cursor was in the scrolled lines adjust its position.
2933 if (gui.cursor_row >= row
2934 && gui.cursor_col >= gui.scroll_region_left
2935 && gui.cursor_col <= gui.scroll_region_right)
2936 {
2937 if (gui.cursor_row < row + count)
2938 gui.cursor_is_valid = FALSE;
2939 else if (gui.cursor_row <= gui.scroll_region_bot)
2940 gui.cursor_row -= count;
2941 }
2942 }
2943 }
2944
2945 static void
gui_insert_lines(int row,int count)2946 gui_insert_lines(int row, int count)
2947 {
2948 if (count <= 0)
2949 return;
2950
2951 if (row + count > gui.scroll_region_bot)
2952 // Scrolled out of region, just blank the lines out
2953 gui_clear_block(row, gui.scroll_region_left,
2954 gui.scroll_region_bot, gui.scroll_region_right);
2955 else
2956 {
2957 gui_mch_insert_lines(row, count);
2958
2959 if (gui.cursor_row >= gui.row
2960 && gui.cursor_col >= gui.scroll_region_left
2961 && gui.cursor_col <= gui.scroll_region_right)
2962 {
2963 if (gui.cursor_row <= gui.scroll_region_bot - count)
2964 gui.cursor_row += count;
2965 else if (gui.cursor_row <= gui.scroll_region_bot)
2966 gui.cursor_is_valid = FALSE;
2967 }
2968 }
2969 }
2970
2971 #ifdef FEAT_TIMERS
2972 /*
2973 * Passed to ui_wait_for_chars_or_timer(), ignoring extra arguments.
2974 */
2975 static int
gui_wait_for_chars_3(long wtime,int * interrupted UNUSED,int ignore_input UNUSED)2976 gui_wait_for_chars_3(
2977 long wtime,
2978 int *interrupted UNUSED,
2979 int ignore_input UNUSED)
2980 {
2981 return gui_mch_wait_for_chars(wtime);
2982 }
2983 #endif
2984
2985 /*
2986 * Returns OK if a character was found to be available within the given time,
2987 * or FAIL otherwise.
2988 */
2989 static int
gui_wait_for_chars_or_timer(long wtime,int * interrupted UNUSED,int ignore_input UNUSED)2990 gui_wait_for_chars_or_timer(
2991 long wtime,
2992 int *interrupted UNUSED,
2993 int ignore_input UNUSED)
2994 {
2995 #ifdef FEAT_TIMERS
2996 return ui_wait_for_chars_or_timer(wtime, gui_wait_for_chars_3,
2997 interrupted, ignore_input);
2998 #else
2999 return gui_mch_wait_for_chars(wtime);
3000 #endif
3001 }
3002
3003 /*
3004 * The main GUI input routine. Waits for a character from the keyboard.
3005 * "wtime" == -1 Wait forever.
3006 * "wtime" == 0 Don't wait.
3007 * "wtime" > 0 Wait wtime milliseconds for a character.
3008 *
3009 * Returns the number of characters read or zero when timed out or interrupted.
3010 * "buf" may be NULL, in which case a non-zero number is returned if characters
3011 * are available.
3012 */
3013 static int
gui_wait_for_chars_buf(char_u * buf,int maxlen,long wtime,int tb_change_cnt)3014 gui_wait_for_chars_buf(
3015 char_u *buf,
3016 int maxlen,
3017 long wtime, // don't use "time", MIPS cannot handle it
3018 int tb_change_cnt)
3019 {
3020 int retval;
3021
3022 #ifdef FEAT_MENU
3023 // If we're going to wait a bit, update the menus and mouse shape for the
3024 // current State.
3025 if (wtime != 0)
3026 gui_update_menus(0);
3027 #endif
3028
3029 gui_mch_update();
3030 if (input_available()) // Got char, return immediately
3031 {
3032 if (buf != NULL && !typebuf_changed(tb_change_cnt))
3033 return read_from_input_buf(buf, (long)maxlen);
3034 return 0;
3035 }
3036 if (wtime == 0) // Don't wait for char
3037 return FAIL;
3038
3039 // Before waiting, flush any output to the screen.
3040 gui_mch_flush();
3041
3042 // Blink while waiting for a character.
3043 gui_mch_start_blink();
3044
3045 // Common function to loop until "wtime" is met, while handling timers and
3046 // other callbacks.
3047 retval = inchar_loop(buf, maxlen, wtime, tb_change_cnt,
3048 gui_wait_for_chars_or_timer, NULL);
3049
3050 gui_mch_stop_blink(TRUE);
3051
3052 return retval;
3053 }
3054
3055 /*
3056 * Wait for a character from the keyboard without actually reading it.
3057 * Also deals with timers.
3058 * wtime == -1 Wait forever.
3059 * wtime == 0 Don't wait.
3060 * wtime > 0 Wait wtime milliseconds for a character.
3061 * Returns OK if a character was found to be available within the given time,
3062 * or FAIL otherwise.
3063 */
3064 int
gui_wait_for_chars(long wtime,int tb_change_cnt)3065 gui_wait_for_chars(long wtime, int tb_change_cnt)
3066 {
3067 return gui_wait_for_chars_buf(NULL, 0, wtime, tb_change_cnt);
3068 }
3069
3070 /*
3071 * Equivalent of mch_inchar() for the GUI.
3072 */
3073 int
gui_inchar(char_u * buf,int maxlen,long wtime,int tb_change_cnt)3074 gui_inchar(
3075 char_u *buf,
3076 int maxlen,
3077 long wtime, // milli seconds
3078 int tb_change_cnt)
3079 {
3080 return gui_wait_for_chars_buf(buf, maxlen, wtime, tb_change_cnt);
3081 }
3082
3083 /*
3084 * Fill p[4] with mouse coordinates encoded for check_termcode().
3085 */
3086 static void
fill_mouse_coord(char_u * p,int col,int row)3087 fill_mouse_coord(char_u *p, int col, int row)
3088 {
3089 p[0] = (char_u)(col / 128 + ' ' + 1);
3090 p[1] = (char_u)(col % 128 + ' ' + 1);
3091 p[2] = (char_u)(row / 128 + ' ' + 1);
3092 p[3] = (char_u)(row % 128 + ' ' + 1);
3093 }
3094
3095 /*
3096 * Generic mouse support function. Add a mouse event to the input buffer with
3097 * the given properties.
3098 * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT,
3099 * MOUSE_X1, MOUSE_X2
3100 * MOUSE_DRAG, or MOUSE_RELEASE.
3101 * MOUSE_4 and MOUSE_5 are used for vertical scroll wheel,
3102 * MOUSE_6 and MOUSE_7 for horizontal scroll wheel.
3103 * x, y --- Coordinates of mouse in pixels.
3104 * repeated_click --- TRUE if this click comes only a short time after a
3105 * previous click.
3106 * modifiers --- Bit field which may be any of the following modifiers
3107 * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT.
3108 * This function will ignore drag events where the mouse has not moved to a new
3109 * character.
3110 */
3111 void
gui_send_mouse_event(int button,int x,int y,int repeated_click,int_u modifiers)3112 gui_send_mouse_event(
3113 int button,
3114 int x,
3115 int y,
3116 int repeated_click,
3117 int_u modifiers)
3118 {
3119 static int prev_row = 0, prev_col = 0;
3120 static int prev_button = -1;
3121 static int num_clicks = 1;
3122 char_u string[10];
3123 enum key_extra button_char;
3124 int row, col;
3125 #ifdef FEAT_CLIPBOARD
3126 int checkfor;
3127 int did_clip = FALSE;
3128 #endif
3129
3130 /*
3131 * Scrolling may happen at any time, also while a selection is present.
3132 */
3133 switch (button)
3134 {
3135 case MOUSE_MOVE:
3136 button_char = KE_MOUSEMOVE_XY;
3137 goto button_set;
3138 case MOUSE_X1:
3139 button_char = KE_X1MOUSE;
3140 goto button_set;
3141 case MOUSE_X2:
3142 button_char = KE_X2MOUSE;
3143 goto button_set;
3144 case MOUSE_4:
3145 button_char = KE_MOUSEDOWN;
3146 goto button_set;
3147 case MOUSE_5:
3148 button_char = KE_MOUSEUP;
3149 goto button_set;
3150 case MOUSE_6:
3151 button_char = KE_MOUSELEFT;
3152 goto button_set;
3153 case MOUSE_7:
3154 button_char = KE_MOUSERIGHT;
3155 button_set:
3156 {
3157 // Don't put events in the input queue now.
3158 if (hold_gui_events)
3159 return;
3160
3161 string[3] = CSI;
3162 string[4] = KS_EXTRA;
3163 string[5] = (int)button_char;
3164
3165 // Pass the pointer coordinates of the scroll event so that we
3166 // know which window to scroll.
3167 row = gui_xy2colrow(x, y, &col);
3168 string[6] = (char_u)(col / 128 + ' ' + 1);
3169 string[7] = (char_u)(col % 128 + ' ' + 1);
3170 string[8] = (char_u)(row / 128 + ' ' + 1);
3171 string[9] = (char_u)(row % 128 + ' ' + 1);
3172
3173 if (modifiers == 0)
3174 add_to_input_buf(string + 3, 7);
3175 else
3176 {
3177 string[0] = CSI;
3178 string[1] = KS_MODIFIER;
3179 string[2] = 0;
3180 if (modifiers & MOUSE_SHIFT)
3181 string[2] |= MOD_MASK_SHIFT;
3182 if (modifiers & MOUSE_CTRL)
3183 string[2] |= MOD_MASK_CTRL;
3184 if (modifiers & MOUSE_ALT)
3185 string[2] |= MOD_MASK_ALT;
3186 add_to_input_buf(string, 10);
3187 }
3188 return;
3189 }
3190 }
3191
3192 #ifdef FEAT_CLIPBOARD
3193 // If a clipboard selection is in progress, handle it
3194 if (clip_star.state == SELECT_IN_PROGRESS)
3195 {
3196 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click);
3197
3198 // A release event may still need to be sent if the position is equal.
3199 row = gui_xy2colrow(x, y, &col);
3200 if (button != MOUSE_RELEASE || row != prev_row || col != prev_col)
3201 return;
3202 }
3203
3204 // Determine which mouse settings to look for based on the current mode
3205 switch (get_real_state())
3206 {
3207 case NORMAL_BUSY:
3208 case OP_PENDING:
3209 # ifdef FEAT_TERMINAL
3210 case TERMINAL:
3211 # endif
3212 case NORMAL: checkfor = MOUSE_NORMAL; break;
3213 case VISUAL: checkfor = MOUSE_VISUAL; break;
3214 case SELECTMODE: checkfor = MOUSE_VISUAL; break;
3215 case REPLACE:
3216 case REPLACE+LANGMAP:
3217 case VREPLACE:
3218 case VREPLACE+LANGMAP:
3219 case INSERT:
3220 case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break;
3221 case ASKMORE:
3222 case HITRETURN: // At the more- and hit-enter prompt pass the
3223 // mouse event for a click on or below the
3224 // message line.
3225 if (Y_2_ROW(y) >= msg_row)
3226 checkfor = MOUSE_NORMAL;
3227 else
3228 checkfor = MOUSE_RETURN;
3229 break;
3230
3231 /*
3232 * On the command line, use the clipboard selection on all lines
3233 * but the command line. But not when pasting.
3234 */
3235 case CMDLINE:
3236 case CMDLINE+LANGMAP:
3237 if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE)
3238 checkfor = MOUSE_NONE;
3239 else
3240 checkfor = MOUSE_COMMAND;
3241 break;
3242
3243 default:
3244 checkfor = MOUSE_NONE;
3245 break;
3246 };
3247
3248 /*
3249 * Allow clipboard selection of text on the command line in "normal"
3250 * modes. Don't do this when dragging the status line, or extending a
3251 * Visual selection.
3252 */
3253 if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT))
3254 && Y_2_ROW(y) >= topframe->fr_height + firstwin->w_winrow
3255 && button != MOUSE_DRAG
3256 # ifdef FEAT_MOUSESHAPE
3257 && !drag_status_line
3258 && !drag_sep_line
3259 # endif
3260 )
3261 checkfor = MOUSE_NONE;
3262
3263 /*
3264 * Use modeless selection when holding CTRL and SHIFT pressed.
3265 */
3266 if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT))
3267 checkfor = MOUSE_NONEF;
3268
3269 /*
3270 * In Ex mode, always use modeless selection.
3271 */
3272 if (exmode_active)
3273 checkfor = MOUSE_NONE;
3274
3275 /*
3276 * If the mouse settings say to not use the mouse, use the modeless
3277 * selection. But if Visual is active, assume that only the Visual area
3278 * will be selected.
3279 * Exception: On the command line, both the selection is used and a mouse
3280 * key is send.
3281 */
3282 if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND)
3283 {
3284 // Don't do modeless selection in Visual mode.
3285 if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL))
3286 return;
3287
3288 /*
3289 * When 'mousemodel' is "popup", shift-left is translated to right.
3290 * But not when also using Ctrl.
3291 */
3292 if (mouse_model_popup() && button == MOUSE_LEFT
3293 && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL))
3294 {
3295 button = MOUSE_RIGHT;
3296 modifiers &= ~ MOUSE_SHIFT;
3297 }
3298
3299 // If the selection is done, allow the right button to extend it.
3300 // If the selection is cleared, allow the right button to start it
3301 // from the cursor position.
3302 if (button == MOUSE_RIGHT)
3303 {
3304 if (clip_star.state == SELECT_CLEARED)
3305 {
3306 if (State & CMDLINE)
3307 {
3308 col = msg_col;
3309 row = msg_row;
3310 }
3311 else
3312 {
3313 col = curwin->w_wcol;
3314 row = curwin->w_wrow + W_WINROW(curwin);
3315 }
3316 clip_start_selection(col, row, FALSE);
3317 }
3318 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y),
3319 repeated_click);
3320 did_clip = TRUE;
3321 }
3322 // Allow the left button to start the selection
3323 else if (button == MOUSE_LEFT)
3324 {
3325 clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click);
3326 did_clip = TRUE;
3327 }
3328
3329 // Always allow pasting
3330 if (button != MOUSE_MIDDLE)
3331 {
3332 if (!mouse_has(checkfor) || button == MOUSE_RELEASE)
3333 return;
3334 if (checkfor != MOUSE_COMMAND)
3335 button = MOUSE_LEFT;
3336 }
3337 repeated_click = FALSE;
3338 }
3339
3340 if (clip_star.state != SELECT_CLEARED && !did_clip)
3341 clip_clear_selection(&clip_star);
3342 #endif
3343
3344 // Don't put events in the input queue now.
3345 if (hold_gui_events)
3346 return;
3347
3348 row = gui_xy2colrow(x, y, &col);
3349
3350 /*
3351 * If we are dragging and the mouse hasn't moved far enough to be on a
3352 * different character, then don't send an event to vim.
3353 */
3354 if (button == MOUSE_DRAG)
3355 {
3356 if (row == prev_row && col == prev_col)
3357 return;
3358 // Dragging above the window, set "row" to -1 to cause a scroll.
3359 if (y < 0)
3360 row = -1;
3361 }
3362
3363 /*
3364 * If topline has changed (window scrolled) since the last click, reset
3365 * repeated_click, because we don't want starting Visual mode when
3366 * clicking on a different character in the text.
3367 */
3368 if (curwin->w_topline != gui_prev_topline
3369 #ifdef FEAT_DIFF
3370 || curwin->w_topfill != gui_prev_topfill
3371 #endif
3372 )
3373 repeated_click = FALSE;
3374
3375 string[0] = CSI; // this sequence is recognized by check_termcode()
3376 string[1] = KS_MOUSE;
3377 string[2] = KE_FILLER;
3378 if (button != MOUSE_DRAG && button != MOUSE_RELEASE)
3379 {
3380 if (repeated_click)
3381 {
3382 /*
3383 * Handle multiple clicks. They only count if the mouse is still
3384 * pointing at the same character.
3385 */
3386 if (button != prev_button || row != prev_row || col != prev_col)
3387 num_clicks = 1;
3388 else if (++num_clicks > 4)
3389 num_clicks = 1;
3390 }
3391 else
3392 num_clicks = 1;
3393 prev_button = button;
3394 gui_prev_topline = curwin->w_topline;
3395 #ifdef FEAT_DIFF
3396 gui_prev_topfill = curwin->w_topfill;
3397 #endif
3398
3399 string[3] = (char_u)(button | 0x20);
3400 SET_NUM_MOUSE_CLICKS(string[3], num_clicks);
3401 }
3402 else
3403 string[3] = (char_u)button;
3404
3405 string[3] |= modifiers;
3406 fill_mouse_coord(string + 4, col, row);
3407 add_to_input_buf(string, 8);
3408
3409 if (row < 0)
3410 prev_row = 0;
3411 else
3412 prev_row = row;
3413 prev_col = col;
3414
3415 /*
3416 * We need to make sure this is cleared since Athena doesn't tell us when
3417 * he is done dragging. Neither does GTK+ 2 -- at least for now.
3418 */
3419 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK)
3420 gui.dragged_sb = SBAR_NONE;
3421 #endif
3422 }
3423
3424 /*
3425 * Convert x and y coordinate to column and row in text window.
3426 * Corrects for multi-byte character.
3427 * returns column in "*colp" and row as return value;
3428 */
3429 static int
gui_xy2colrow(int x,int y,int * colp)3430 gui_xy2colrow(int x, int y, int *colp)
3431 {
3432 int col = check_col(X_2_COL(x));
3433 int row = check_row(Y_2_ROW(y));
3434
3435 *colp = mb_fix_col(col, row);
3436 return row;
3437 }
3438
3439 #if defined(FEAT_MENU) || defined(PROTO)
3440 /*
3441 * Callback function for when a menu entry has been selected.
3442 */
3443 void
gui_menu_cb(vimmenu_T * menu)3444 gui_menu_cb(vimmenu_T *menu)
3445 {
3446 char_u bytes[sizeof(long_u)];
3447
3448 // Don't put events in the input queue now.
3449 if (hold_gui_events)
3450 return;
3451
3452 bytes[0] = CSI;
3453 bytes[1] = KS_MENU;
3454 bytes[2] = KE_FILLER;
3455 add_to_input_buf(bytes, 3);
3456 add_long_to_buf((long_u)menu, bytes);
3457 add_to_input_buf_csi(bytes, sizeof(long_u));
3458 }
3459 #endif
3460
3461 static int prev_which_scrollbars[3];
3462
3463 /*
3464 * Set which components are present.
3465 * If "oldval" is not NULL, "oldval" is the previous value, the new value is
3466 * in p_go.
3467 */
3468 void
gui_init_which_components(char_u * oldval UNUSED)3469 gui_init_which_components(char_u *oldval UNUSED)
3470 {
3471 #ifdef FEAT_GUI_DARKTHEME
3472 static int prev_dark_theme = -1;
3473 int using_dark_theme = FALSE;
3474 #endif
3475 #ifdef FEAT_MENU
3476 static int prev_menu_is_active = -1;
3477 #endif
3478 #ifdef FEAT_TOOLBAR
3479 static int prev_toolbar = -1;
3480 int using_toolbar = FALSE;
3481 #endif
3482 #ifdef FEAT_GUI_TABLINE
3483 int using_tabline;
3484 #endif
3485 #ifdef FEAT_FOOTER
3486 static int prev_footer = -1;
3487 int using_footer = FALSE;
3488 #endif
3489 #if defined(FEAT_MENU)
3490 static int prev_tearoff = -1;
3491 int using_tearoff = FALSE;
3492 #endif
3493
3494 char_u *p;
3495 int i;
3496 #ifdef FEAT_MENU
3497 int grey_old, grey_new;
3498 char_u *temp;
3499 #endif
3500 win_T *wp;
3501 int need_set_size;
3502 int fix_size;
3503
3504 #ifdef FEAT_MENU
3505 if (oldval != NULL && gui.in_use)
3506 {
3507 /*
3508 * Check if the menus go from grey to non-grey or vice versa.
3509 */
3510 grey_old = (vim_strchr(oldval, GO_GREY) != NULL);
3511 grey_new = (vim_strchr(p_go, GO_GREY) != NULL);
3512 if (grey_old != grey_new)
3513 {
3514 temp = p_go;
3515 p_go = oldval;
3516 gui_update_menus(MENU_ALL_MODES);
3517 p_go = temp;
3518 }
3519 }
3520 gui.menu_is_active = FALSE;
3521 #endif
3522
3523 for (i = 0; i < 3; i++)
3524 gui.which_scrollbars[i] = FALSE;
3525 for (p = p_go; *p; p++)
3526 switch (*p)
3527 {
3528 case GO_LEFT:
3529 gui.which_scrollbars[SBAR_LEFT] = TRUE;
3530 break;
3531 case GO_RIGHT:
3532 gui.which_scrollbars[SBAR_RIGHT] = TRUE;
3533 break;
3534 case GO_VLEFT:
3535 if (win_hasvertsplit())
3536 gui.which_scrollbars[SBAR_LEFT] = TRUE;
3537 break;
3538 case GO_VRIGHT:
3539 if (win_hasvertsplit())
3540 gui.which_scrollbars[SBAR_RIGHT] = TRUE;
3541 break;
3542 case GO_BOT:
3543 gui.which_scrollbars[SBAR_BOTTOM] = TRUE;
3544 break;
3545 #ifdef FEAT_GUI_DARKTHEME
3546 case GO_DARKTHEME:
3547 using_dark_theme = TRUE;
3548 break;
3549 #endif
3550 #ifdef FEAT_MENU
3551 case GO_MENUS:
3552 gui.menu_is_active = TRUE;
3553 break;
3554 #endif
3555 case GO_GREY:
3556 // make menu's have grey items, ignored here
3557 break;
3558 #ifdef FEAT_TOOLBAR
3559 case GO_TOOLBAR:
3560 using_toolbar = TRUE;
3561 break;
3562 #endif
3563 #ifdef FEAT_FOOTER
3564 case GO_FOOTER:
3565 using_footer = TRUE;
3566 break;
3567 #endif
3568 case GO_TEAROFF:
3569 #if defined(FEAT_MENU)
3570 using_tearoff = TRUE;
3571 #endif
3572 break;
3573 default:
3574 // Ignore options that are not supported
3575 break;
3576 }
3577
3578 if (gui.in_use)
3579 {
3580 need_set_size = 0;
3581 fix_size = FALSE;
3582
3583 #ifdef FEAT_GUI_DARKTHEME
3584 if (using_dark_theme != prev_dark_theme)
3585 {
3586 gui_mch_set_dark_theme(using_dark_theme);
3587 prev_dark_theme = using_dark_theme;
3588 }
3589 #endif
3590
3591 #ifdef FEAT_GUI_TABLINE
3592 // Update the GUI tab line, it may appear or disappear. This may
3593 // cause the non-GUI tab line to disappear or appear.
3594 using_tabline = gui_has_tabline();
3595 if (!gui_mch_showing_tabline() != !using_tabline)
3596 {
3597 // We don't want a resize event change "Rows" here, save and
3598 // restore it. Resizing is handled below.
3599 i = Rows;
3600 gui_update_tabline();
3601 Rows = i;
3602 need_set_size |= RESIZE_VERT;
3603 if (using_tabline)
3604 fix_size = TRUE;
3605 if (!gui_use_tabline())
3606 redraw_tabline = TRUE; // may draw non-GUI tab line
3607 }
3608 #endif
3609
3610 for (i = 0; i < 3; i++)
3611 {
3612 // The scrollbar needs to be updated when it is shown/unshown and
3613 // when switching tab pages. But the size only changes when it's
3614 // shown/unshown. Thus we need two places to remember whether a
3615 // scrollbar is there or not.
3616 if (gui.which_scrollbars[i] != prev_which_scrollbars[i]
3617 || gui.which_scrollbars[i]
3618 != curtab->tp_prev_which_scrollbars[i])
3619 {
3620 if (i == SBAR_BOTTOM)
3621 gui_mch_enable_scrollbar(&gui.bottom_sbar,
3622 gui.which_scrollbars[i]);
3623 else
3624 {
3625 FOR_ALL_WINDOWS(wp)
3626 gui_do_scrollbar(wp, i, gui.which_scrollbars[i]);
3627 }
3628 if (gui.which_scrollbars[i] != prev_which_scrollbars[i])
3629 {
3630 if (i == SBAR_BOTTOM)
3631 need_set_size |= RESIZE_VERT;
3632 else
3633 need_set_size |= RESIZE_HOR;
3634 if (gui.which_scrollbars[i])
3635 fix_size = TRUE;
3636 }
3637 }
3638 curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i];
3639 prev_which_scrollbars[i] = gui.which_scrollbars[i];
3640 }
3641
3642 #ifdef FEAT_MENU
3643 if (gui.menu_is_active != prev_menu_is_active)
3644 {
3645 // We don't want a resize event change "Rows" here, save and
3646 // restore it. Resizing is handled below.
3647 i = Rows;
3648 gui_mch_enable_menu(gui.menu_is_active);
3649 Rows = i;
3650 prev_menu_is_active = gui.menu_is_active;
3651 need_set_size |= RESIZE_VERT;
3652 if (gui.menu_is_active)
3653 fix_size = TRUE;
3654 }
3655 #endif
3656
3657 #ifdef FEAT_TOOLBAR
3658 if (using_toolbar != prev_toolbar)
3659 {
3660 gui_mch_show_toolbar(using_toolbar);
3661 prev_toolbar = using_toolbar;
3662 need_set_size |= RESIZE_VERT;
3663 if (using_toolbar)
3664 fix_size = TRUE;
3665 }
3666 #endif
3667 #ifdef FEAT_FOOTER
3668 if (using_footer != prev_footer)
3669 {
3670 gui_mch_enable_footer(using_footer);
3671 prev_footer = using_footer;
3672 need_set_size |= RESIZE_VERT;
3673 if (using_footer)
3674 fix_size = TRUE;
3675 }
3676 #endif
3677 #if defined(FEAT_MENU) && !(defined(MSWIN) && !defined(FEAT_TEAROFF))
3678 if (using_tearoff != prev_tearoff)
3679 {
3680 gui_mch_toggle_tearoffs(using_tearoff);
3681 prev_tearoff = using_tearoff;
3682 }
3683 #endif
3684 if (need_set_size != 0)
3685 {
3686 #ifdef FEAT_GUI_GTK
3687 long prev_Columns = Columns;
3688 long prev_Rows = Rows;
3689 #endif
3690 // Adjust the size of the window to make the text area keep the
3691 // same size and to avoid that part of our window is off-screen
3692 // and a scrollbar can't be used, for example.
3693 gui_set_shellsize(FALSE, fix_size, need_set_size);
3694
3695 #ifdef FEAT_GUI_GTK
3696 // GTK has the annoying habit of sending us resize events when
3697 // changing the window size ourselves. This mostly happens when
3698 // waiting for a character to arrive, quite unpredictably, and may
3699 // change Columns and Rows when we don't want it. Wait for a
3700 // character here to avoid this effect.
3701 // If you remove this, please test this command for resizing
3702 // effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q".
3703 // Don't do this while starting up though.
3704 // Don't change Rows when adding menu/toolbar/tabline.
3705 // Don't change Columns when adding vertical toolbar.
3706 if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR))
3707 (void)char_avail();
3708 if ((need_set_size & RESIZE_VERT) == 0)
3709 Rows = prev_Rows;
3710 if ((need_set_size & RESIZE_HOR) == 0)
3711 Columns = prev_Columns;
3712 #endif
3713 }
3714 // When the console tabline appears or disappears the window positions
3715 // change.
3716 if (firstwin->w_winrow != tabline_height())
3717 shell_new_rows(); // recompute window positions and heights
3718 }
3719 }
3720
3721 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
3722 /*
3723 * Return TRUE if the GUI is taking care of the tabline.
3724 * It may still be hidden if 'showtabline' is zero.
3725 */
3726 int
gui_use_tabline(void)3727 gui_use_tabline(void)
3728 {
3729 return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL;
3730 }
3731
3732 /*
3733 * Return TRUE if the GUI is showing the tabline.
3734 * This uses 'showtabline'.
3735 */
3736 static int
gui_has_tabline(void)3737 gui_has_tabline(void)
3738 {
3739 if (!gui_use_tabline()
3740 || p_stal == 0
3741 || (p_stal == 1 && first_tabpage->tp_next == NULL))
3742 return FALSE;
3743 return TRUE;
3744 }
3745
3746 /*
3747 * Update the tabline.
3748 * This may display/undisplay the tabline and update the labels.
3749 */
3750 void
gui_update_tabline(void)3751 gui_update_tabline(void)
3752 {
3753 int showit = gui_has_tabline();
3754 int shown = gui_mch_showing_tabline();
3755
3756 if (!gui.starting && starting == 0)
3757 {
3758 // Updating the tabline uses direct GUI commands, flush
3759 // outstanding instructions first. (esp. clear screen)
3760 out_flush();
3761
3762 if (!showit != !shown)
3763 gui_mch_show_tabline(showit);
3764 if (showit != 0)
3765 gui_mch_update_tabline();
3766
3767 // When the tabs change from hidden to shown or from shown to
3768 // hidden the size of the text area should remain the same.
3769 if (!showit != !shown)
3770 gui_set_shellsize(FALSE, showit, RESIZE_VERT);
3771 }
3772 }
3773
3774 /*
3775 * Get the label or tooltip for tab page "tp" into NameBuff[].
3776 */
3777 void
get_tabline_label(tabpage_T * tp,int tooltip)3778 get_tabline_label(
3779 tabpage_T *tp,
3780 int tooltip) // TRUE: get tooltip
3781 {
3782 int modified = FALSE;
3783 char_u buf[40];
3784 int wincount;
3785 win_T *wp;
3786 char_u **opt;
3787
3788 // Use 'guitablabel' or 'guitabtooltip' if it's set.
3789 opt = (tooltip ? &p_gtt : &p_gtl);
3790 if (**opt != NUL)
3791 {
3792 int use_sandbox = FALSE;
3793 int called_emsg_before = called_emsg;
3794 char_u res[MAXPATHL];
3795 tabpage_T *save_curtab;
3796 char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip"
3797 : "guitablabel");
3798
3799 printer_page_num = tabpage_index(tp);
3800 # ifdef FEAT_EVAL
3801 set_vim_var_nr(VV_LNUM, printer_page_num);
3802 use_sandbox = was_set_insecurely(opt_name, 0);
3803 # endif
3804 // It's almost as going to the tabpage, but without autocommands.
3805 curtab->tp_firstwin = firstwin;
3806 curtab->tp_lastwin = lastwin;
3807 curtab->tp_curwin = curwin;
3808 save_curtab = curtab;
3809 curtab = tp;
3810 topframe = curtab->tp_topframe;
3811 firstwin = curtab->tp_firstwin;
3812 lastwin = curtab->tp_lastwin;
3813 curwin = curtab->tp_curwin;
3814 curbuf = curwin->w_buffer;
3815
3816 // Can't use NameBuff directly, build_stl_str_hl() uses it.
3817 build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox,
3818 0, (int)Columns, NULL, NULL);
3819 STRCPY(NameBuff, res);
3820
3821 // Back to the original curtab.
3822 curtab = save_curtab;
3823 topframe = curtab->tp_topframe;
3824 firstwin = curtab->tp_firstwin;
3825 lastwin = curtab->tp_lastwin;
3826 curwin = curtab->tp_curwin;
3827 curbuf = curwin->w_buffer;
3828
3829 if (called_emsg > called_emsg_before)
3830 set_string_option_direct(opt_name, -1,
3831 (char_u *)"", OPT_FREE, SID_ERROR);
3832 }
3833
3834 // If 'guitablabel'/'guitabtooltip' is not set or the result is empty then
3835 // use a default label.
3836 if (**opt == NUL || *NameBuff == NUL)
3837 {
3838 // Get the buffer name into NameBuff[] and shorten it.
3839 get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer);
3840 if (!tooltip)
3841 shorten_dir(NameBuff);
3842
3843 wp = (tp == curtab) ? firstwin : tp->tp_firstwin;
3844 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount)
3845 if (bufIsChanged(wp->w_buffer))
3846 modified = TRUE;
3847 if (modified || wincount > 1)
3848 {
3849 if (wincount > 1)
3850 vim_snprintf((char *)buf, sizeof(buf), "%d", wincount);
3851 else
3852 buf[0] = NUL;
3853 if (modified)
3854 STRCAT(buf, "+");
3855 STRCAT(buf, " ");
3856 STRMOVE(NameBuff + STRLEN(buf), NameBuff);
3857 mch_memmove(NameBuff, buf, STRLEN(buf));
3858 }
3859 }
3860 }
3861
3862 /*
3863 * Send the event for clicking to select tab page "nr".
3864 * Returns TRUE if it was done, FALSE when skipped because we are already at
3865 * that tab page or the cmdline window is open.
3866 */
3867 int
send_tabline_event(int nr)3868 send_tabline_event(int nr)
3869 {
3870 char_u string[3];
3871
3872 if (nr == tabpage_index(curtab))
3873 return FALSE;
3874
3875 // Don't put events in the input queue now.
3876 if (hold_gui_events
3877 # ifdef FEAT_CMDWIN
3878 || cmdwin_type != 0
3879 # endif
3880 )
3881 {
3882 // Set it back to the current tab page.
3883 gui_mch_set_curtab(tabpage_index(curtab));
3884 return FALSE;
3885 }
3886
3887 string[0] = CSI;
3888 string[1] = KS_TABLINE;
3889 string[2] = KE_FILLER;
3890 add_to_input_buf(string, 3);
3891 string[0] = nr;
3892 add_to_input_buf_csi(string, 1);
3893 return TRUE;
3894 }
3895
3896 /*
3897 * Send a tabline menu event
3898 */
3899 void
send_tabline_menu_event(int tabidx,int event)3900 send_tabline_menu_event(int tabidx, int event)
3901 {
3902 char_u string[3];
3903
3904 // Don't put events in the input queue now.
3905 if (hold_gui_events)
3906 return;
3907
3908 // Cannot close the last tabpage.
3909 if (event == TABLINE_MENU_CLOSE && first_tabpage->tp_next == NULL)
3910 return;
3911
3912 string[0] = CSI;
3913 string[1] = KS_TABMENU;
3914 string[2] = KE_FILLER;
3915 add_to_input_buf(string, 3);
3916 string[0] = tabidx;
3917 string[1] = (char_u)(long)event;
3918 add_to_input_buf_csi(string, 2);
3919 }
3920
3921 #endif
3922
3923 /*
3924 * Scrollbar stuff:
3925 */
3926
3927 /*
3928 * Remove all scrollbars. Used before switching to another tab page.
3929 */
3930 void
gui_remove_scrollbars(void)3931 gui_remove_scrollbars(void)
3932 {
3933 int i;
3934 win_T *wp;
3935
3936 for (i = 0; i < 3; i++)
3937 {
3938 if (i == SBAR_BOTTOM)
3939 gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE);
3940 else
3941 {
3942 FOR_ALL_WINDOWS(wp)
3943 gui_do_scrollbar(wp, i, FALSE);
3944 }
3945 curtab->tp_prev_which_scrollbars[i] = -1;
3946 }
3947 }
3948
3949 void
gui_create_scrollbar(scrollbar_T * sb,int type,win_T * wp)3950 gui_create_scrollbar(scrollbar_T *sb, int type, win_T *wp)
3951 {
3952 static int sbar_ident = 0;
3953
3954 sb->ident = sbar_ident++; // No check for too big, but would it happen?
3955 sb->wp = wp;
3956 sb->type = type;
3957 sb->value = 0;
3958 #ifdef FEAT_GUI_ATHENA
3959 sb->pixval = 0;
3960 #endif
3961 sb->size = 1;
3962 sb->max = 1;
3963 sb->top = 0;
3964 sb->height = 0;
3965 sb->width = 0;
3966 sb->status_height = 0;
3967 gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT);
3968 }
3969
3970 /*
3971 * Find the scrollbar with the given index.
3972 */
3973 scrollbar_T *
gui_find_scrollbar(long ident)3974 gui_find_scrollbar(long ident)
3975 {
3976 win_T *wp;
3977
3978 if (gui.bottom_sbar.ident == ident)
3979 return &gui.bottom_sbar;
3980 FOR_ALL_WINDOWS(wp)
3981 {
3982 if (wp->w_scrollbars[SBAR_LEFT].ident == ident)
3983 return &wp->w_scrollbars[SBAR_LEFT];
3984 if (wp->w_scrollbars[SBAR_RIGHT].ident == ident)
3985 return &wp->w_scrollbars[SBAR_RIGHT];
3986 }
3987 return NULL;
3988 }
3989
3990 /*
3991 * For most systems: Put a code in the input buffer for a dragged scrollbar.
3992 *
3993 * For Win32, Macintosh and GTK+ 2:
3994 * Scrollbars seem to grab focus and vim doesn't read the input queue until
3995 * you stop dragging the scrollbar. We get here each time the scrollbar is
3996 * dragged another pixel, but as far as the rest of vim goes, it thinks
3997 * we're just hanging in the call to DispatchMessage() in
3998 * process_message(). The DispatchMessage() call that hangs was passed a
3999 * mouse button click event in the scrollbar window. -- webb.
4000 *
4001 * Solution: Do the scrolling right here. But only when allowed.
4002 * Ignore the scrollbars while executing an external command or when there
4003 * are still characters to be processed.
4004 */
4005 void
gui_drag_scrollbar(scrollbar_T * sb,long value,int still_dragging)4006 gui_drag_scrollbar(scrollbar_T *sb, long value, int still_dragging)
4007 {
4008 win_T *wp;
4009 int sb_num;
4010 #ifdef USE_ON_FLY_SCROLL
4011 colnr_T old_leftcol = curwin->w_leftcol;
4012 linenr_T old_topline = curwin->w_topline;
4013 # ifdef FEAT_DIFF
4014 int old_topfill = curwin->w_topfill;
4015 # endif
4016 #else
4017 char_u bytes[sizeof(long_u)];
4018 int byte_count;
4019 #endif
4020
4021 if (sb == NULL)
4022 return;
4023
4024 // Don't put events in the input queue now.
4025 if (hold_gui_events)
4026 return;
4027
4028 #ifdef FEAT_CMDWIN
4029 if (cmdwin_type != 0 && sb->wp != curwin)
4030 return;
4031 #endif
4032
4033 if (still_dragging)
4034 {
4035 if (sb->wp == NULL)
4036 gui.dragged_sb = SBAR_BOTTOM;
4037 else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT])
4038 gui.dragged_sb = SBAR_LEFT;
4039 else
4040 gui.dragged_sb = SBAR_RIGHT;
4041 gui.dragged_wp = sb->wp;
4042 }
4043 else
4044 {
4045 gui.dragged_sb = SBAR_NONE;
4046 #ifdef FEAT_GUI_GTK
4047 // Keep the "dragged_wp" value until after the scrolling, for when the
4048 // mouse button is released. GTK2 doesn't send the button-up event.
4049 gui.dragged_wp = NULL;
4050 #endif
4051 }
4052
4053 // Vertical sbar info is kept in the first sbar (the left one)
4054 if (sb->wp != NULL)
4055 sb = &sb->wp->w_scrollbars[0];
4056
4057 /*
4058 * Check validity of value
4059 */
4060 if (value < 0)
4061 value = 0;
4062 #ifdef SCROLL_PAST_END
4063 else if (value > sb->max)
4064 value = sb->max;
4065 #else
4066 if (value > sb->max - sb->size + 1)
4067 value = sb->max - sb->size + 1;
4068 #endif
4069
4070 sb->value = value;
4071
4072 #ifdef USE_ON_FLY_SCROLL
4073 // When not allowed to do the scrolling right now, return.
4074 // This also checked input_available(), but that causes the first click in
4075 // a scrollbar to be ignored when Vim doesn't have focus.
4076 if (dont_scroll)
4077 return;
4078 #endif
4079 // Disallow scrolling the current window when the completion popup menu is
4080 // visible.
4081 if ((sb->wp == NULL || sb->wp == curwin) && pum_visible())
4082 return;
4083
4084 #ifdef FEAT_RIGHTLEFT
4085 if (sb->wp == NULL && curwin->w_p_rl)
4086 {
4087 value = sb->max + 1 - sb->size - value;
4088 if (value < 0)
4089 value = 0;
4090 }
4091 #endif
4092
4093 if (sb->wp != NULL) // vertical scrollbar
4094 {
4095 sb_num = 0;
4096 for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next)
4097 sb_num++;
4098 if (wp == NULL)
4099 return;
4100
4101 #ifdef USE_ON_FLY_SCROLL
4102 current_scrollbar = sb_num;
4103 scrollbar_value = value;
4104 if (State & NORMAL)
4105 {
4106 gui_do_scroll();
4107 setcursor();
4108 }
4109 else if (State & INSERT)
4110 {
4111 ins_scroll();
4112 setcursor();
4113 }
4114 else if (State & CMDLINE)
4115 {
4116 if (msg_scrolled == 0)
4117 {
4118 gui_do_scroll();
4119 redrawcmdline();
4120 }
4121 }
4122 # ifdef FEAT_FOLDING
4123 // Value may have been changed for closed fold.
4124 sb->value = sb->wp->w_topline - 1;
4125 # endif
4126
4127 // When dragging one scrollbar and there is another one at the other
4128 // side move the thumb of that one too.
4129 if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT])
4130 gui_mch_set_scrollbar_thumb(
4131 &sb->wp->w_scrollbars[
4132 sb == &sb->wp->w_scrollbars[SBAR_RIGHT]
4133 ? SBAR_LEFT : SBAR_RIGHT],
4134 sb->value, sb->size, sb->max);
4135
4136 #else
4137 bytes[0] = CSI;
4138 bytes[1] = KS_VER_SCROLLBAR;
4139 bytes[2] = KE_FILLER;
4140 bytes[3] = (char_u)sb_num;
4141 byte_count = 4;
4142 #endif
4143 }
4144 else
4145 {
4146 #ifdef USE_ON_FLY_SCROLL
4147 scrollbar_value = value;
4148
4149 if (State & NORMAL)
4150 gui_do_horiz_scroll(scrollbar_value, FALSE);
4151 else if (State & INSERT)
4152 ins_horscroll();
4153 else if (State & CMDLINE)
4154 {
4155 if (msg_scrolled == 0)
4156 {
4157 gui_do_horiz_scroll(scrollbar_value, FALSE);
4158 redrawcmdline();
4159 }
4160 }
4161 if (old_leftcol != curwin->w_leftcol)
4162 {
4163 updateWindow(curwin); // update window, status and cmdline
4164 setcursor();
4165 }
4166 #else
4167 bytes[0] = CSI;
4168 bytes[1] = KS_HOR_SCROLLBAR;
4169 bytes[2] = KE_FILLER;
4170 byte_count = 3;
4171 #endif
4172 }
4173
4174 #ifdef USE_ON_FLY_SCROLL
4175 /*
4176 * synchronize other windows, as necessary according to 'scrollbind'
4177 */
4178 if (curwin->w_p_scb
4179 && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol)
4180 || (sb->wp == curwin && (curwin->w_topline != old_topline
4181 # ifdef FEAT_DIFF
4182 || curwin->w_topfill != old_topfill
4183 # endif
4184 ))))
4185 {
4186 do_check_scrollbind(TRUE);
4187 // need to update the window right here
4188 FOR_ALL_WINDOWS(wp)
4189 if (wp->w_redr_type > 0)
4190 updateWindow(wp);
4191 setcursor();
4192 }
4193 out_flush_cursor(FALSE, TRUE);
4194 #else
4195 add_to_input_buf(bytes, byte_count);
4196 add_long_to_buf((long_u)value, bytes);
4197 add_to_input_buf_csi(bytes, sizeof(long_u));
4198 #endif
4199 }
4200
4201 /*
4202 * Scrollbar stuff:
4203 */
4204
4205 /*
4206 * Called when something in the window layout has changed.
4207 */
4208 void
gui_may_update_scrollbars(void)4209 gui_may_update_scrollbars(void)
4210 {
4211 if (gui.in_use && starting == 0)
4212 {
4213 out_flush();
4214 gui_init_which_components(NULL);
4215 gui_update_scrollbars(TRUE);
4216 }
4217 need_mouse_correct = TRUE;
4218 }
4219
4220 void
gui_update_scrollbars(int force)4221 gui_update_scrollbars(
4222 int force) // Force all scrollbars to get updated
4223 {
4224 win_T *wp;
4225 scrollbar_T *sb;
4226 long val, size, max; // need 32 bits here
4227 int which_sb;
4228 int h, y;
4229 static win_T *prev_curwin = NULL;
4230
4231 // Update the horizontal scrollbar
4232 gui_update_horiz_scrollbar(force);
4233
4234 #ifndef MSWIN
4235 // Return straight away if there is neither a left nor right scrollbar.
4236 // On MS-Windows this is required anyway for scrollwheel messages.
4237 if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT])
4238 return;
4239 #endif
4240
4241 /*
4242 * Don't want to update a scrollbar while we're dragging it. But if we
4243 * have both a left and right scrollbar, and we drag one of them, we still
4244 * need to update the other one.
4245 */
4246 if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT)
4247 && gui.which_scrollbars[SBAR_LEFT]
4248 && gui.which_scrollbars[SBAR_RIGHT])
4249 {
4250 /*
4251 * If we have two scrollbars and one of them is being dragged, just
4252 * copy the scrollbar position from the dragged one to the other one.
4253 */
4254 which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb;
4255 if (gui.dragged_wp != NULL)
4256 gui_mch_set_scrollbar_thumb(
4257 &gui.dragged_wp->w_scrollbars[which_sb],
4258 gui.dragged_wp->w_scrollbars[0].value,
4259 gui.dragged_wp->w_scrollbars[0].size,
4260 gui.dragged_wp->w_scrollbars[0].max);
4261 }
4262
4263 // avoid that moving components around generates events
4264 ++hold_gui_events;
4265
4266 FOR_ALL_WINDOWS(wp)
4267 {
4268 if (wp->w_buffer == NULL) // just in case
4269 continue;
4270 // Skip a scrollbar that is being dragged.
4271 if (!force && (gui.dragged_sb == SBAR_LEFT
4272 || gui.dragged_sb == SBAR_RIGHT)
4273 && gui.dragged_wp == wp)
4274 continue;
4275
4276 #ifdef SCROLL_PAST_END
4277 max = wp->w_buffer->b_ml.ml_line_count - 1;
4278 #else
4279 max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2;
4280 #endif
4281 if (max < 0) // empty buffer
4282 max = 0;
4283 val = wp->w_topline - 1;
4284 size = wp->w_height;
4285 #ifdef SCROLL_PAST_END
4286 if (val > max) // just in case
4287 val = max;
4288 #else
4289 if (size > max + 1) // just in case
4290 size = max + 1;
4291 if (val > max - size + 1)
4292 val = max - size + 1;
4293 #endif
4294 if (val < 0) // minimal value is 0
4295 val = 0;
4296
4297 /*
4298 * Scrollbar at index 0 (the left one) contains all the information.
4299 * It would be the same info for left and right so we just store it for
4300 * one of them.
4301 */
4302 sb = &wp->w_scrollbars[0];
4303
4304 /*
4305 * Note: no check for valid w_botline. If it's not valid the
4306 * scrollbars will be updated later anyway.
4307 */
4308 if (size < 1 || wp->w_botline - 2 > max)
4309 {
4310 /*
4311 * This can happen during changing files. Just don't update the
4312 * scrollbar for now.
4313 */
4314 sb->height = 0; // Force update next time
4315 if (gui.which_scrollbars[SBAR_LEFT])
4316 gui_do_scrollbar(wp, SBAR_LEFT, FALSE);
4317 if (gui.which_scrollbars[SBAR_RIGHT])
4318 gui_do_scrollbar(wp, SBAR_RIGHT, FALSE);
4319 continue;
4320 }
4321 if (force || sb->height != wp->w_height
4322 || sb->top != wp->w_winrow
4323 || sb->status_height != wp->w_status_height
4324 || sb->width != wp->w_width
4325 || prev_curwin != curwin)
4326 {
4327 // Height, width or position of scrollbar has changed. For
4328 // vertical split: curwin changed.
4329 sb->height = wp->w_height;
4330 sb->top = wp->w_winrow;
4331 sb->status_height = wp->w_status_height;
4332 sb->width = wp->w_width;
4333
4334 // Calculate height and position in pixels
4335 h = (sb->height + sb->status_height) * gui.char_height;
4336 y = sb->top * gui.char_height + gui.border_offset;
4337 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON)
4338 if (gui.menu_is_active)
4339 y += gui.menu_height;
4340 #endif
4341
4342 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA) \
4343 || defined(FEAT_GUI_HAIKU))
4344 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
4345 # if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_HAIKU)
4346 y += gui.toolbar_height;
4347 # else
4348 # ifdef FEAT_GUI_MSWIN
4349 y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
4350 # endif
4351 # endif
4352 #endif
4353
4354 #if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_HAIKU)
4355 if (gui_has_tabline())
4356 y += gui.tabline_height;
4357 #endif
4358
4359 if (wp->w_winrow == 0)
4360 {
4361 // Height of top scrollbar includes width of top border
4362 h += gui.border_offset;
4363 y -= gui.border_offset;
4364 }
4365 if (gui.which_scrollbars[SBAR_LEFT])
4366 {
4367 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT],
4368 gui.left_sbar_x, y,
4369 gui.scrollbar_width, h);
4370 gui_do_scrollbar(wp, SBAR_LEFT, TRUE);
4371 }
4372 if (gui.which_scrollbars[SBAR_RIGHT])
4373 {
4374 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT],
4375 gui.right_sbar_x, y,
4376 gui.scrollbar_width, h);
4377 gui_do_scrollbar(wp, SBAR_RIGHT, TRUE);
4378 }
4379 }
4380
4381 // Reduce the number of calls to gui_mch_set_scrollbar_thumb() by
4382 // checking if the thumb moved at least a pixel. Only do this for
4383 // Athena, most other GUIs require the update anyway to make the
4384 // arrows work.
4385 #ifdef FEAT_GUI_ATHENA
4386 if (max == 0)
4387 y = 0;
4388 else
4389 y = (val * (sb->height + 2) * gui.char_height + max / 2) / max;
4390 if (force || sb->pixval != y || sb->size != size || sb->max != max)
4391 #else
4392 if (force || sb->value != val || sb->size != size || sb->max != max)
4393 #endif
4394 {
4395 // Thumb of scrollbar has moved
4396 sb->value = val;
4397 #ifdef FEAT_GUI_ATHENA
4398 sb->pixval = y;
4399 #endif
4400 sb->size = size;
4401 sb->max = max;
4402 if (gui.which_scrollbars[SBAR_LEFT]
4403 && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp))
4404 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT],
4405 val, size, max);
4406 if (gui.which_scrollbars[SBAR_RIGHT]
4407 && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp))
4408 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT],
4409 val, size, max);
4410 }
4411 }
4412
4413 // update the title, it may show the scroll position
4414 maketitle();
4415
4416 prev_curwin = curwin;
4417 --hold_gui_events;
4418 }
4419
4420 /*
4421 * Enable or disable a scrollbar.
4422 * Check for scrollbars for vertically split windows which are not enabled
4423 * sometimes.
4424 */
4425 static void
gui_do_scrollbar(win_T * wp,int which,int enable)4426 gui_do_scrollbar(
4427 win_T *wp,
4428 int which, // SBAR_LEFT or SBAR_RIGHT
4429 int enable) // TRUE to enable scrollbar
4430 {
4431 int midcol = curwin->w_wincol + curwin->w_width / 2;
4432 int has_midcol = (wp->w_wincol <= midcol
4433 && wp->w_wincol + wp->w_width >= midcol);
4434
4435 // Only enable scrollbars that contain the middle column of the current
4436 // window.
4437 if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT])
4438 {
4439 // Scrollbars only on one side. Don't enable scrollbars that don't
4440 // contain the middle column of the current window.
4441 if (!has_midcol)
4442 enable = FALSE;
4443 }
4444 else
4445 {
4446 // Scrollbars on both sides. Don't enable scrollbars that neither
4447 // contain the middle column of the current window nor are on the far
4448 // side.
4449 if (midcol > Columns / 2)
4450 {
4451 if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol)
4452 enable = FALSE;
4453 }
4454 else
4455 {
4456 if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns
4457 : !has_midcol)
4458 enable = FALSE;
4459 }
4460 }
4461 gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable);
4462 }
4463
4464 /*
4465 * Scroll a window according to the values set in the globals current_scrollbar
4466 * and scrollbar_value. Return TRUE if the cursor in the current window moved
4467 * or FALSE otherwise.
4468 */
4469 int
gui_do_scroll(void)4470 gui_do_scroll(void)
4471 {
4472 win_T *wp, *save_wp;
4473 int i;
4474 long nlines;
4475 pos_T old_cursor;
4476 linenr_T old_topline;
4477 #ifdef FEAT_DIFF
4478 int old_topfill;
4479 #endif
4480
4481 for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++)
4482 if (wp == NULL)
4483 break;
4484 if (wp == NULL)
4485 // Couldn't find window
4486 return FALSE;
4487
4488 /*
4489 * Compute number of lines to scroll. If zero, nothing to do.
4490 */
4491 nlines = (long)scrollbar_value + 1 - (long)wp->w_topline;
4492 if (nlines == 0)
4493 return FALSE;
4494
4495 save_wp = curwin;
4496 old_topline = wp->w_topline;
4497 #ifdef FEAT_DIFF
4498 old_topfill = wp->w_topfill;
4499 #endif
4500 old_cursor = wp->w_cursor;
4501 curwin = wp;
4502 curbuf = wp->w_buffer;
4503 if (nlines < 0)
4504 scrolldown(-nlines, gui.dragged_wp == NULL);
4505 else
4506 scrollup(nlines, gui.dragged_wp == NULL);
4507 // Reset dragged_wp after using it. "dragged_sb" will have been reset for
4508 // the mouse-up event already, but we still want it to behave like when
4509 // dragging. But not the next click in an arrow.
4510 if (gui.dragged_sb == SBAR_NONE)
4511 gui.dragged_wp = NULL;
4512
4513 if (old_topline != wp->w_topline
4514 #ifdef FEAT_DIFF
4515 || old_topfill != wp->w_topfill
4516 #endif
4517 )
4518 {
4519 if (get_scrolloff_value() != 0)
4520 {
4521 cursor_correct(); // fix window for 'so'
4522 update_topline(); // avoid up/down jump
4523 }
4524 if (old_cursor.lnum != wp->w_cursor.lnum)
4525 coladvance(wp->w_curswant);
4526 wp->w_scbind_pos = wp->w_topline;
4527 }
4528
4529 // Make sure wp->w_leftcol and wp->w_skipcol are correct.
4530 validate_cursor();
4531
4532 curwin = save_wp;
4533 curbuf = save_wp->w_buffer;
4534
4535 /*
4536 * Don't call updateWindow() when nothing has changed (it will overwrite
4537 * the status line!).
4538 */
4539 if (old_topline != wp->w_topline
4540 || wp->w_redr_type != 0
4541 #ifdef FEAT_DIFF
4542 || old_topfill != wp->w_topfill
4543 #endif
4544 )
4545 {
4546 int type = VALID;
4547
4548 if (pum_visible())
4549 {
4550 type = NOT_VALID;
4551 wp->w_lines_valid = 0;
4552 }
4553
4554 // Don't set must_redraw here, it may cause the popup menu to
4555 // disappear when losing focus after a scrollbar drag.
4556 if (wp->w_redr_type < type)
4557 wp->w_redr_type = type;
4558 mch_disable_flush();
4559 updateWindow(wp); // update window, status line, and cmdline
4560 mch_enable_flush();
4561 }
4562
4563 // May need to redraw the popup menu.
4564 if (pum_visible())
4565 pum_redraw();
4566
4567 return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor));
4568 }
4569
4570
4571 /*
4572 * Horizontal scrollbar stuff:
4573 */
4574
4575 /*
4576 * Return length of line "lnum" for horizontal scrolling.
4577 */
4578 static colnr_T
scroll_line_len(linenr_T lnum)4579 scroll_line_len(linenr_T lnum)
4580 {
4581 char_u *p;
4582 colnr_T col;
4583 int w;
4584
4585 p = ml_get(lnum);
4586 col = 0;
4587 if (*p != NUL)
4588 for (;;)
4589 {
4590 w = chartabsize(p, col);
4591 MB_PTR_ADV(p);
4592 if (*p == NUL) // don't count the last character
4593 break;
4594 col += w;
4595 }
4596 return col;
4597 }
4598
4599 // Remember which line is currently the longest, so that we don't have to
4600 // search for it when scrolling horizontally.
4601 static linenr_T longest_lnum = 0;
4602
4603 /*
4604 * Find longest visible line number. If this is not possible (or not desired,
4605 * by setting 'h' in "guioptions") then the current line number is returned.
4606 */
4607 static linenr_T
gui_find_longest_lnum(void)4608 gui_find_longest_lnum(void)
4609 {
4610 linenr_T ret = 0;
4611
4612 // Calculate maximum for horizontal scrollbar. Check for reasonable
4613 // line numbers, topline and botline can be invalid when displaying is
4614 // postponed.
4615 if (vim_strchr(p_go, GO_HORSCROLL) == NULL
4616 && curwin->w_topline <= curwin->w_cursor.lnum
4617 && curwin->w_botline > curwin->w_cursor.lnum
4618 && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1)
4619 {
4620 linenr_T lnum;
4621 colnr_T n;
4622 long max = 0;
4623
4624 // Use maximum of all visible lines. Remember the lnum of the
4625 // longest line, closest to the cursor line. Used when scrolling
4626 // below.
4627 for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum)
4628 {
4629 n = scroll_line_len(lnum);
4630 if (n > (colnr_T)max)
4631 {
4632 max = n;
4633 ret = lnum;
4634 }
4635 else if (n == (colnr_T)max
4636 && abs((int)(lnum - curwin->w_cursor.lnum))
4637 < abs((int)(ret - curwin->w_cursor.lnum)))
4638 ret = lnum;
4639 }
4640 }
4641 else
4642 // Use cursor line only.
4643 ret = curwin->w_cursor.lnum;
4644
4645 return ret;
4646 }
4647
4648 static void
gui_update_horiz_scrollbar(int force)4649 gui_update_horiz_scrollbar(int force)
4650 {
4651 long value, size, max; // need 32 bit ints here
4652
4653 if (!gui.which_scrollbars[SBAR_BOTTOM])
4654 return;
4655
4656 if (!force && gui.dragged_sb == SBAR_BOTTOM)
4657 return;
4658
4659 if (!force && curwin->w_p_wrap && gui.prev_wrap)
4660 return;
4661
4662 /*
4663 * It is possible for the cursor to be invalid if we're in the middle of
4664 * something (like changing files). If so, don't do anything for now.
4665 */
4666 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
4667 {
4668 gui.bottom_sbar.value = -1;
4669 return;
4670 }
4671
4672 size = curwin->w_width;
4673 if (curwin->w_p_wrap)
4674 {
4675 value = 0;
4676 #ifdef SCROLL_PAST_END
4677 max = 0;
4678 #else
4679 max = curwin->w_width - 1;
4680 #endif
4681 }
4682 else
4683 {
4684 value = curwin->w_leftcol;
4685
4686 longest_lnum = gui_find_longest_lnum();
4687 max = scroll_line_len(longest_lnum);
4688
4689 if (virtual_active())
4690 {
4691 // May move the cursor even further to the right.
4692 if (curwin->w_virtcol >= (colnr_T)max)
4693 max = curwin->w_virtcol;
4694 }
4695
4696 #ifndef SCROLL_PAST_END
4697 max += curwin->w_width - 1;
4698 #endif
4699 // The line number isn't scrolled, thus there is less space when
4700 // 'number' or 'relativenumber' is set (also for 'foldcolumn').
4701 size -= curwin_col_off();
4702 #ifndef SCROLL_PAST_END
4703 max -= curwin_col_off();
4704 #endif
4705 }
4706
4707 #ifndef SCROLL_PAST_END
4708 if (value > max - size + 1)
4709 value = max - size + 1; // limit the value to allowable range
4710 #endif
4711
4712 #ifdef FEAT_RIGHTLEFT
4713 if (curwin->w_p_rl)
4714 {
4715 value = max + 1 - size - value;
4716 if (value < 0)
4717 {
4718 size += value;
4719 value = 0;
4720 }
4721 }
4722 #endif
4723 if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size
4724 && max == gui.bottom_sbar.max)
4725 return;
4726
4727 gui.bottom_sbar.value = value;
4728 gui.bottom_sbar.size = size;
4729 gui.bottom_sbar.max = max;
4730 gui.prev_wrap = curwin->w_p_wrap;
4731
4732 gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max);
4733 }
4734
4735 /*
4736 * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise.
4737 */
4738 int
gui_do_horiz_scroll(long_u leftcol,int compute_longest_lnum)4739 gui_do_horiz_scroll(long_u leftcol, int compute_longest_lnum)
4740 {
4741 // no wrapping, no scrolling
4742 if (curwin->w_p_wrap)
4743 return FALSE;
4744
4745 if (curwin->w_leftcol == (colnr_T)leftcol)
4746 return FALSE;
4747
4748 curwin->w_leftcol = (colnr_T)leftcol;
4749
4750 // When the line of the cursor is too short, move the cursor to the
4751 // longest visible line.
4752 if (vim_strchr(p_go, GO_HORSCROLL) == NULL
4753 && !virtual_active()
4754 && (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum))
4755 {
4756 if (compute_longest_lnum)
4757 {
4758 curwin->w_cursor.lnum = gui_find_longest_lnum();
4759 curwin->w_cursor.col = 0;
4760 }
4761 // Do a sanity check on "longest_lnum", just in case.
4762 else if (longest_lnum >= curwin->w_topline
4763 && longest_lnum < curwin->w_botline)
4764 {
4765 curwin->w_cursor.lnum = longest_lnum;
4766 curwin->w_cursor.col = 0;
4767 }
4768 }
4769
4770 return leftcol_changed();
4771 }
4772
4773 /*
4774 * Check that none of the colors are the same as the background color
4775 */
4776 void
gui_check_colors(void)4777 gui_check_colors(void)
4778 {
4779 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR)
4780 {
4781 gui_set_bg_color((char_u *)"White");
4782 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR)
4783 gui_set_fg_color((char_u *)"Black");
4784 }
4785 }
4786
4787 static void
gui_set_fg_color(char_u * name)4788 gui_set_fg_color(char_u *name)
4789 {
4790 gui.norm_pixel = gui_get_color(name);
4791 hl_set_fg_color_name(vim_strsave(name));
4792 }
4793
4794 static void
gui_set_bg_color(char_u * name)4795 gui_set_bg_color(char_u *name)
4796 {
4797 gui.back_pixel = gui_get_color(name);
4798 hl_set_bg_color_name(vim_strsave(name));
4799 }
4800
4801 /*
4802 * Allocate a color by name.
4803 * Returns INVALCOLOR and gives an error message when failed.
4804 */
4805 guicolor_T
gui_get_color(char_u * name)4806 gui_get_color(char_u *name)
4807 {
4808 guicolor_T t;
4809
4810 if (*name == NUL)
4811 return INVALCOLOR;
4812 t = gui_mch_get_color(name);
4813
4814 if (t == INVALCOLOR
4815 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
4816 && gui.in_use
4817 #endif
4818 )
4819 semsg(_(e_cannot_allocate_color_str), name);
4820 return t;
4821 }
4822
4823 /*
4824 * Return the grey value of a color (range 0-255).
4825 */
4826 int
gui_get_lightness(guicolor_T pixel)4827 gui_get_lightness(guicolor_T pixel)
4828 {
4829 long_u rgb = (long_u)gui_mch_get_rgb(pixel);
4830
4831 return (int)( (((rgb >> 16) & 0xff) * 299)
4832 + (((rgb >> 8) & 0xff) * 587)
4833 + ((rgb & 0xff) * 114)) / 1000;
4834 }
4835
4836 char_u *
gui_bg_default(void)4837 gui_bg_default(void)
4838 {
4839 if (gui_get_lightness(gui.back_pixel) < 127)
4840 return (char_u *)"dark";
4841 return (char_u *)"light";
4842 }
4843
4844 /*
4845 * Option initializations that can only be done after opening the GUI window.
4846 */
4847 void
init_gui_options(void)4848 init_gui_options(void)
4849 {
4850 // Set the 'background' option according to the lightness of the
4851 // background color, unless the user has set it already.
4852 if (!option_was_set((char_u *)"bg") && STRCMP(p_bg, gui_bg_default()) != 0)
4853 {
4854 set_option_value((char_u *)"bg", 0L, gui_bg_default(), 0);
4855 highlight_changed();
4856 }
4857 }
4858
4859 #if defined(FEAT_GUI_X11) || defined(PROTO)
4860 void
gui_new_scrollbar_colors(void)4861 gui_new_scrollbar_colors(void)
4862 {
4863 win_T *wp;
4864
4865 // Nothing to do if GUI hasn't started yet.
4866 if (!gui.in_use)
4867 return;
4868
4869 FOR_ALL_WINDOWS(wp)
4870 {
4871 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT]));
4872 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT]));
4873 }
4874 gui_mch_set_scrollbar_colors(&gui.bottom_sbar);
4875 }
4876 #endif
4877
4878 /*
4879 * Call this when focus has changed.
4880 */
4881 void
gui_focus_change(int in_focus)4882 gui_focus_change(int in_focus)
4883 {
4884 /*
4885 * Skip this code to avoid drawing the cursor when debugging and switching
4886 * between the debugger window and gvim.
4887 */
4888 #if 1
4889 gui.in_focus = in_focus;
4890 out_flush_cursor(TRUE, FALSE);
4891
4892 # ifdef FEAT_XIM
4893 xim_set_focus(in_focus);
4894 # endif
4895
4896 // Put events in the input queue only when allowed.
4897 // ui_focus_change() isn't called directly, because it invokes
4898 // autocommands and that must not happen asynchronously.
4899 if (!hold_gui_events)
4900 {
4901 char_u bytes[3];
4902
4903 bytes[0] = CSI;
4904 bytes[1] = KS_EXTRA;
4905 bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST;
4906 add_to_input_buf(bytes, 3);
4907 }
4908 #endif
4909 }
4910
4911 /*
4912 * When mouse moved: apply 'mousefocus'.
4913 * Also updates the mouse pointer shape.
4914 */
4915 static void
gui_mouse_focus(int x,int y)4916 gui_mouse_focus(int x, int y)
4917 {
4918 win_T *wp;
4919 char_u st[8];
4920
4921 #ifdef FEAT_MOUSESHAPE
4922 // Get window pointer, and update mouse shape as well.
4923 wp = xy2win(x, y, IGNORE_POPUP);
4924 #endif
4925
4926 // Only handle this when 'mousefocus' set and ...
4927 if (p_mousef
4928 && !hold_gui_events // not holding events
4929 && (State & (NORMAL|INSERT))// Normal/Visual/Insert mode
4930 && State != HITRETURN // but not hit-return prompt
4931 && msg_scrolled == 0 // no scrolled message
4932 && !need_mouse_correct // not moving the pointer
4933 && gui.in_focus) // gvim in focus
4934 {
4935 // Don't move the mouse when it's left or right of the Vim window
4936 if (x < 0 || x > Columns * gui.char_width)
4937 return;
4938 #ifndef FEAT_MOUSESHAPE
4939 wp = xy2win(x, y, IGNORE_POPUP);
4940 #endif
4941 if (wp == curwin || wp == NULL)
4942 return; // still in the same old window, or none at all
4943
4944 // Ignore position in the tab pages line.
4945 if (Y_2_ROW(y) < tabline_height())
4946 return;
4947
4948 /*
4949 * format a mouse click on status line input
4950 * ala gui_send_mouse_event(0, x, y, 0, 0);
4951 * Trick: Use a column number -1, so that get_pseudo_mouse_code() will
4952 * generate a K_LEFTMOUSE_NM key code.
4953 */
4954 if (finish_op)
4955 {
4956 // abort the current operator first
4957 st[0] = ESC;
4958 add_to_input_buf(st, 1);
4959 }
4960 st[0] = CSI;
4961 st[1] = KS_MOUSE;
4962 st[2] = KE_FILLER;
4963 st[3] = (char_u)MOUSE_LEFT;
4964 fill_mouse_coord(st + 4,
4965 wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF,
4966 wp->w_height + W_WINROW(wp));
4967
4968 add_to_input_buf(st, 8);
4969 st[3] = (char_u)MOUSE_RELEASE;
4970 add_to_input_buf(st, 8);
4971 #ifdef FEAT_GUI_GTK
4972 // Need to wake up the main loop
4973 if (gtk_main_level() > 0)
4974 gtk_main_quit();
4975 #endif
4976 }
4977 }
4978
4979 /*
4980 * Called when the mouse moved (but not when dragging).
4981 */
4982 void
gui_mouse_moved(int x,int y)4983 gui_mouse_moved(int x, int y)
4984 {
4985 // Ignore this while still starting up.
4986 if (!gui.in_use || gui.starting)
4987 return;
4988
4989 // apply 'mousefocus' and pointer shape
4990 gui_mouse_focus(x, y);
4991
4992 #ifdef FEAT_PROP_POPUP
4993 if (popup_visible)
4994 // Generate a mouse-moved event, so that the popup can perhaps be
4995 // closed, just like in the terminal.
4996 gui_send_mouse_event(MOUSE_MOVE, x, y, FALSE, 0);
4997 #endif
4998 }
4999
5000 /*
5001 * Get the window where the mouse pointer is on.
5002 * Returns NULL if not found.
5003 */
5004 win_T *
gui_mouse_window(mouse_find_T popup)5005 gui_mouse_window(mouse_find_T popup)
5006 {
5007 int x, y;
5008
5009 if (!(gui.in_use && (p_mousef || popup == FIND_POPUP)))
5010 return NULL;
5011 gui_mch_getmouse(&x, &y);
5012
5013 // Only use the mouse when it's on the Vim window
5014 if (x >= 0 && x <= Columns * gui.char_width
5015 && y >= 0 && Y_2_ROW(y) >= tabline_height())
5016 return xy2win(x, y, popup);
5017 return NULL;
5018 }
5019
5020 /*
5021 * Called when mouse should be moved to window with focus.
5022 */
5023 void
gui_mouse_correct(void)5024 gui_mouse_correct(void)
5025 {
5026 win_T *wp = NULL;
5027
5028 need_mouse_correct = FALSE;
5029
5030 wp = gui_mouse_window(IGNORE_POPUP);
5031 if (wp != curwin && wp != NULL) // If in other than current window
5032 {
5033 validate_cline_row();
5034 gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3,
5035 (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height
5036 + (gui.char_height) / 2);
5037 }
5038 }
5039
5040 /*
5041 * Find window where the mouse pointer "x" / "y" coordinate is in.
5042 * As a side effect update the shape of the mouse pointer.
5043 */
5044 static win_T *
xy2win(int x,int y,mouse_find_T popup)5045 xy2win(int x, int y, mouse_find_T popup)
5046 {
5047 int row;
5048 int col;
5049 win_T *wp;
5050
5051 row = Y_2_ROW(y);
5052 col = X_2_COL(x);
5053 if (row < 0 || col < 0) // before first window
5054 return NULL;
5055 wp = mouse_find_win(&row, &col, popup);
5056 if (wp == NULL)
5057 return NULL;
5058 #ifdef FEAT_MOUSESHAPE
5059 if (State == HITRETURN || State == ASKMORE)
5060 {
5061 if (Y_2_ROW(y) >= msg_row)
5062 update_mouseshape(SHAPE_IDX_MOREL);
5063 else
5064 update_mouseshape(SHAPE_IDX_MORE);
5065 }
5066 else if (row > wp->w_height) // below status line
5067 update_mouseshape(SHAPE_IDX_CLINE);
5068 else if (!(State & CMDLINE) && wp->w_vsep_width > 0 && col == wp->w_width
5069 && (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0)
5070 update_mouseshape(SHAPE_IDX_VSEP);
5071 else if (!(State & CMDLINE) && wp->w_status_height > 0
5072 && row == wp->w_height && msg_scrolled == 0)
5073 update_mouseshape(SHAPE_IDX_STATUS);
5074 else
5075 update_mouseshape(-2);
5076 #endif
5077 return wp;
5078 }
5079
5080 /*
5081 * ":gui" and ":gvim": Change from the terminal version to the GUI version.
5082 * File names may be given to redefine the args list.
5083 */
5084 void
ex_gui(exarg_T * eap)5085 ex_gui(exarg_T *eap)
5086 {
5087 char_u *arg = eap->arg;
5088
5089 /*
5090 * Check for "-f" argument: foreground, don't fork.
5091 * Also don't fork when started with "gvim -f".
5092 * Do fork when using "gui -b".
5093 */
5094 if (arg[0] == '-'
5095 && (arg[1] == 'f' || arg[1] == 'b')
5096 && (arg[2] == NUL || VIM_ISWHITE(arg[2])))
5097 {
5098 gui.dofork = (arg[1] == 'b');
5099 eap->arg = skipwhite(eap->arg + 2);
5100 }
5101 if (!gui.in_use)
5102 {
5103 #if defined(VIMDLL) && !defined(EXPERIMENTAL_GUI_CMD)
5104 if (!gui.starting)
5105 {
5106 emsg(_(e_gui_cannot_be_used_not_enabled_at_compile_time));
5107 return;
5108 }
5109 #endif
5110 // Clear the command. Needed for when forking+exiting, to avoid part
5111 // of the argument ending up after the shell prompt.
5112 msg_clr_eos_force();
5113 #ifdef GUI_MAY_SPAWN
5114 if (!ends_excmd2(eap->cmd, eap->arg))
5115 gui_start(eap->arg);
5116 else
5117 #endif
5118 gui_start(NULL);
5119 #ifdef FEAT_JOB_CHANNEL
5120 channel_gui_register_all();
5121 #endif
5122 }
5123 if (!ends_excmd2(eap->cmd, eap->arg))
5124 ex_next(eap);
5125 }
5126
5127 #if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) \
5128 || defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_PHOTON) \
5129 || defined(FEAT_GUI_HAIKU)) \
5130 && defined(FEAT_TOOLBAR)) || defined(PROTO)
5131 /*
5132 * This is shared between Athena, Haiku, Motif, and GTK.
5133 */
5134
5135 /*
5136 * Callback function for do_in_runtimepath().
5137 */
5138 static void
gfp_setname(char_u * fname,void * cookie)5139 gfp_setname(char_u *fname, void *cookie)
5140 {
5141 char_u *gfp_buffer = cookie;
5142
5143 if (STRLEN(fname) >= MAXPATHL)
5144 *gfp_buffer = NUL;
5145 else
5146 STRCPY(gfp_buffer, fname);
5147 }
5148
5149 /*
5150 * Find the path of bitmap "name" with extension "ext" in 'runtimepath'.
5151 * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result.
5152 */
5153 int
gui_find_bitmap(char_u * name,char_u * buffer,char * ext)5154 gui_find_bitmap(char_u *name, char_u *buffer, char *ext)
5155 {
5156 if (STRLEN(name) > MAXPATHL - 14)
5157 return FAIL;
5158 vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext);
5159 if (do_in_runtimepath(buffer, 0, gfp_setname, buffer) == FAIL
5160 || *buffer == NUL)
5161 return FAIL;
5162 return OK;
5163 }
5164
5165 # if !defined(FEAT_GUI_GTK) || defined(PROTO)
5166 /*
5167 * Given the name of the "icon=" argument, try finding the bitmap file for the
5168 * icon. If it is an absolute path name, use it as it is. Otherwise append
5169 * "ext" and search for it in 'runtimepath'.
5170 * The result is put in "buffer[MAXPATHL]". If something fails "buffer"
5171 * contains "name".
5172 */
5173 void
gui_find_iconfile(char_u * name,char_u * buffer,char * ext)5174 gui_find_iconfile(char_u *name, char_u *buffer, char *ext)
5175 {
5176 char_u buf[MAXPATHL + 1];
5177
5178 expand_env(name, buffer, MAXPATHL);
5179 if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK)
5180 STRCPY(buffer, buf);
5181 }
5182 # endif
5183 #endif
5184
5185 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)|| defined(FEAT_GUI_HAIKU) \
5186 || defined(PROTO)
5187 void
display_errors(void)5188 display_errors(void)
5189 {
5190 char_u *p;
5191
5192 if (isatty(2))
5193 fflush(stderr);
5194 else if (error_ga.ga_data != NULL)
5195 {
5196 // avoid putting up a message box with blanks only
5197 for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p)
5198 if (!isspace(*p))
5199 {
5200 // Truncate a very long message, it will go off-screen.
5201 if (STRLEN(p) > 2000)
5202 STRCPY(p + 2000 - 14, "...(truncated)");
5203 (void)do_dialog(VIM_ERROR, (char_u *)_("Error"),
5204 p, (char_u *)_("&Ok"), 1, NULL, FALSE);
5205 break;
5206 }
5207 ga_clear(&error_ga);
5208 }
5209 }
5210 #endif
5211
5212 #if defined(NO_CONSOLE_INPUT) || defined(PROTO)
5213 /*
5214 * Return TRUE if still starting up and there is no place to enter text.
5215 * For GTK and X11 we check if stderr is not a tty, which means we were
5216 * (probably) started from the desktop. Also check stdin, "vim >& file" does
5217 * allow typing on stdin.
5218 */
5219 int
no_console_input(void)5220 no_console_input(void)
5221 {
5222 return ((!gui.in_use || gui.starting)
5223 # ifndef NO_CONSOLE
5224 && !isatty(0) && !isatty(2)
5225 # endif
5226 );
5227 }
5228 #endif
5229
5230 #if defined(FIND_REPLACE_DIALOG) \
5231 || defined(NEED_GUI_UPDATE_SCREEN) \
5232 || defined(PROTO)
5233 /*
5234 * Update the current window and the screen.
5235 */
5236 void
gui_update_screen(void)5237 gui_update_screen(void)
5238 {
5239 # ifdef FEAT_CONCEAL
5240 linenr_T conceal_old_cursor_line = 0;
5241 linenr_T conceal_new_cursor_line = 0;
5242 int conceal_update_lines = FALSE;
5243 # endif
5244
5245 update_topline();
5246 validate_cursor();
5247
5248 // Trigger CursorMoved if the cursor moved.
5249 if (!finish_op && (has_cursormoved()
5250 # ifdef FEAT_PROP_POPUP
5251 || popup_visible
5252 # endif
5253 # ifdef FEAT_CONCEAL
5254 || curwin->w_p_cole > 0
5255 # endif
5256 ) && !EQUAL_POS(last_cursormoved, curwin->w_cursor))
5257 {
5258 if (has_cursormoved())
5259 apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf);
5260 #ifdef FEAT_PROP_POPUP
5261 if (popup_visible)
5262 popup_check_cursor_pos();
5263 #endif
5264 # ifdef FEAT_CONCEAL
5265 if (curwin->w_p_cole > 0)
5266 {
5267 conceal_old_cursor_line = last_cursormoved.lnum;
5268 conceal_new_cursor_line = curwin->w_cursor.lnum;
5269 conceal_update_lines = TRUE;
5270 }
5271 # endif
5272 last_cursormoved = curwin->w_cursor;
5273 }
5274
5275 # ifdef FEAT_CONCEAL
5276 if (conceal_update_lines
5277 && (conceal_old_cursor_line != conceal_new_cursor_line
5278 || conceal_cursor_line(curwin)
5279 || need_cursor_line_redraw))
5280 {
5281 if (conceal_old_cursor_line != conceal_new_cursor_line)
5282 redrawWinline(curwin, conceal_old_cursor_line);
5283 redrawWinline(curwin, conceal_new_cursor_line);
5284 curwin->w_valid &= ~VALID_CROW;
5285 need_cursor_line_redraw = FALSE;
5286 }
5287 # endif
5288 update_screen(0); // may need to update the screen
5289 setcursor();
5290 out_flush_cursor(TRUE, FALSE);
5291 }
5292 #endif
5293
5294 #if defined(FIND_REPLACE_DIALOG) || defined(PROTO)
5295 /*
5296 * Get the text to use in a find/replace dialog. Uses the last search pattern
5297 * if the argument is empty.
5298 * Returns an allocated string.
5299 */
5300 char_u *
get_find_dialog_text(char_u * arg,int * wwordp,int * mcasep)5301 get_find_dialog_text(
5302 char_u *arg,
5303 int *wwordp, // return: TRUE if \< \> found
5304 int *mcasep) // return: TRUE if \C found
5305 {
5306 char_u *text;
5307
5308 if (*arg == NUL)
5309 text = last_search_pat();
5310 else
5311 text = arg;
5312 if (text != NULL)
5313 {
5314 text = vim_strsave(text);
5315 if (text != NULL)
5316 {
5317 int len = (int)STRLEN(text);
5318 int i;
5319
5320 // Remove "\V"
5321 if (len >= 2 && STRNCMP(text, "\\V", 2) == 0)
5322 {
5323 mch_memmove(text, text + 2, (size_t)(len - 1));
5324 len -= 2;
5325 }
5326
5327 // Recognize "\c" and "\C" and remove.
5328 if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C'))
5329 {
5330 *mcasep = (text[1] == 'C');
5331 mch_memmove(text, text + 2, (size_t)(len - 1));
5332 len -= 2;
5333 }
5334
5335 // Recognize "\<text\>" and remove.
5336 if (len >= 4
5337 && STRNCMP(text, "\\<", 2) == 0
5338 && STRNCMP(text + len - 2, "\\>", 2) == 0)
5339 {
5340 *wwordp = TRUE;
5341 mch_memmove(text, text + 2, (size_t)(len - 4));
5342 text[len - 4] = NUL;
5343 }
5344
5345 // Recognize "\/" or "\?" and remove.
5346 for (i = 0; i + 1 < len; ++i)
5347 if (text[i] == '\\' && (text[i + 1] == '/'
5348 || text[i + 1] == '?'))
5349 {
5350 mch_memmove(text + i, text + i + 1, (size_t)(len - i));
5351 --len;
5352 }
5353 }
5354 }
5355 return text;
5356 }
5357
5358 /*
5359 * Handle the press of a button in the find-replace dialog.
5360 * Return TRUE when something was added to the input buffer.
5361 */
5362 int
gui_do_findrepl(int flags,char_u * find_text,char_u * repl_text,int down)5363 gui_do_findrepl(
5364 int flags, // one of FRD_REPLACE, FRD_FINDNEXT, etc.
5365 char_u *find_text,
5366 char_u *repl_text,
5367 int down) // Search downwards.
5368 {
5369 garray_T ga;
5370 int i;
5371 int type = (flags & FRD_TYPE_MASK);
5372 char_u *p;
5373 regmatch_T regmatch;
5374 int save_did_emsg = did_emsg;
5375 static int busy = FALSE;
5376
5377 // When the screen is being updated we should not change buffers and
5378 // windows structures, it may cause freed memory to be used. Also don't
5379 // do this recursively (pressing "Find" quickly several times.
5380 if (updating_screen || busy)
5381 return FALSE;
5382
5383 // refuse replace when text cannot be changed
5384 if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked())
5385 return FALSE;
5386
5387 busy = TRUE;
5388
5389 ga_init2(&ga, 1, 100);
5390 if (type == FRD_REPLACEALL)
5391 ga_concat(&ga, (char_u *)"%s/");
5392
5393 ga_concat(&ga, (char_u *)"\\V");
5394 if (flags & FRD_MATCH_CASE)
5395 ga_concat(&ga, (char_u *)"\\C");
5396 else
5397 ga_concat(&ga, (char_u *)"\\c");
5398 if (flags & FRD_WHOLE_WORD)
5399 ga_concat(&ga, (char_u *)"\\<");
5400 // escape slash and backslash
5401 p = vim_strsave_escaped(find_text, (char_u *)"/\\");
5402 if (p != NULL)
5403 ga_concat(&ga, p);
5404 vim_free(p);
5405 if (flags & FRD_WHOLE_WORD)
5406 ga_concat(&ga, (char_u *)"\\>");
5407
5408 if (type == FRD_REPLACEALL)
5409 {
5410 ga_concat(&ga, (char_u *)"/");
5411 // escape slash and backslash
5412 p = vim_strsave_escaped(repl_text, (char_u *)"/\\");
5413 if (p != NULL)
5414 ga_concat(&ga, p);
5415 vim_free(p);
5416 ga_concat(&ga, (char_u *)"/g");
5417 }
5418 ga_append(&ga, NUL);
5419
5420 if (type == FRD_REPLACE)
5421 {
5422 // Do the replacement when the text at the cursor matches. Thus no
5423 // replacement is done if the cursor was moved!
5424 regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING);
5425 regmatch.rm_ic = 0;
5426 if (regmatch.regprog != NULL)
5427 {
5428 p = ml_get_cursor();
5429 if (vim_regexec_nl(®match, p, (colnr_T)0)
5430 && regmatch.startp[0] == p)
5431 {
5432 // Clear the command line to remove any old "No match"
5433 // error.
5434 msg_end_prompt();
5435
5436 if (u_save_cursor() == OK)
5437 {
5438 // A button was pressed thus undo should be synced.
5439 u_sync(FALSE);
5440
5441 del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]),
5442 FALSE, FALSE);
5443 ins_str(repl_text);
5444 }
5445 }
5446 else
5447 msg(_("No match at cursor, finding next"));
5448 vim_regfree(regmatch.regprog);
5449 }
5450 }
5451
5452 if (type == FRD_REPLACEALL)
5453 {
5454 // A button was pressed, thus undo should be synced.
5455 u_sync(FALSE);
5456 do_cmdline_cmd(ga.ga_data);
5457 }
5458 else
5459 {
5460 int searchflags = SEARCH_MSG + SEARCH_MARK;
5461
5462 // Search for the next match.
5463 // Don't skip text under cursor for single replace.
5464 if (type == FRD_REPLACE)
5465 searchflags += SEARCH_START;
5466 i = msg_scroll;
5467 if (down)
5468 {
5469 (void)do_search(NULL, '/', '/', ga.ga_data, 1L, searchflags, NULL);
5470 }
5471 else
5472 {
5473 // We need to escape '?' if and only if we are searching in the up
5474 // direction
5475 p = vim_strsave_escaped(ga.ga_data, (char_u *)"?");
5476 if (p != NULL)
5477 (void)do_search(NULL, '?', '?', p, 1L, searchflags, NULL);
5478 vim_free(p);
5479 }
5480
5481 msg_scroll = i; // don't let an error message set msg_scroll
5482 }
5483
5484 // Don't want to pass did_emsg to other code, it may cause disabling
5485 // syntax HL if we were busy redrawing.
5486 did_emsg = save_did_emsg;
5487
5488 if (State & (NORMAL | INSERT))
5489 {
5490 gui_update_screen(); // update the screen
5491 msg_didout = 0; // overwrite any message
5492 need_wait_return = FALSE; // don't wait for return
5493 }
5494
5495 vim_free(ga.ga_data);
5496 busy = FALSE;
5497 return (ga.ga_len > 0);
5498 }
5499
5500 #endif
5501
5502 #if defined(HAVE_DROP_FILE) || defined(PROTO)
5503 /*
5504 * Jump to the window at specified point (x, y).
5505 */
5506 static void
gui_wingoto_xy(int x,int y)5507 gui_wingoto_xy(int x, int y)
5508 {
5509 int row = Y_2_ROW(y);
5510 int col = X_2_COL(x);
5511 win_T *wp;
5512
5513 if (row >= 0 && col >= 0)
5514 {
5515 wp = mouse_find_win(&row, &col, FAIL_POPUP);
5516 if (wp != NULL && wp != curwin)
5517 win_goto(wp);
5518 }
5519 }
5520
5521 /*
5522 * Function passed to handle_drop() for the actions to be done after the
5523 * argument list has been updated.
5524 */
5525 static void
drop_callback(void * cookie)5526 drop_callback(void *cookie)
5527 {
5528 char_u *p = cookie;
5529 int do_shorten = FALSE;
5530
5531 // If Shift held down, change to first file's directory. If the first
5532 // item is a directory, change to that directory (and let the explorer
5533 // plugin show the contents).
5534 if (p != NULL)
5535 {
5536 if (mch_isdir(p))
5537 {
5538 if (mch_chdir((char *)p) == 0)
5539 do_shorten = TRUE;
5540 }
5541 else if (vim_chdirfile(p, "drop") == OK)
5542 do_shorten = TRUE;
5543 vim_free(p);
5544 if (do_shorten)
5545 {
5546 shorten_fnames(TRUE);
5547 last_chdir_reason = "drop";
5548 }
5549 }
5550
5551 // Update the screen display
5552 update_screen(NOT_VALID);
5553 # ifdef FEAT_MENU
5554 gui_update_menus(0);
5555 # endif
5556 maketitle();
5557 setcursor();
5558 out_flush_cursor(FALSE, FALSE);
5559 }
5560
5561 /*
5562 * Process file drop. Mouse cursor position, key modifiers, name of files
5563 * and count of files are given. Argument "fnames[count]" has full pathnames
5564 * of dropped files, they will be freed in this function, and caller can't use
5565 * fnames after call this function.
5566 */
5567 void
gui_handle_drop(int x UNUSED,int y UNUSED,int_u modifiers,char_u ** fnames,int count)5568 gui_handle_drop(
5569 int x UNUSED,
5570 int y UNUSED,
5571 int_u modifiers,
5572 char_u **fnames,
5573 int count)
5574 {
5575 int i;
5576 char_u *p;
5577 static int entered = FALSE;
5578
5579 /*
5580 * This function is called by event handlers. Just in case we get a
5581 * second event before the first one is handled, ignore the second one.
5582 * Not sure if this can ever happen, just in case.
5583 */
5584 if (entered)
5585 return;
5586 entered = TRUE;
5587
5588 /*
5589 * When the cursor is at the command line, add the file names to the
5590 * command line, don't edit the files.
5591 */
5592 if (State & CMDLINE)
5593 {
5594 shorten_filenames(fnames, count);
5595 for (i = 0; i < count; ++i)
5596 {
5597 if (fnames[i] != NULL)
5598 {
5599 if (i > 0)
5600 add_to_input_buf((char_u*)" ", 1);
5601
5602 // We don't know what command is used thus we can't be sure
5603 // about which characters need to be escaped. Only escape the
5604 // most common ones.
5605 # ifdef BACKSLASH_IN_FILENAME
5606 p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|");
5607 # else
5608 p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|");
5609 # endif
5610 if (p != NULL)
5611 add_to_input_buf_csi(p, (int)STRLEN(p));
5612 vim_free(p);
5613 vim_free(fnames[i]);
5614 }
5615 }
5616 vim_free(fnames);
5617 }
5618 else
5619 {
5620 // Go to the window under mouse cursor, then shorten given "fnames" by
5621 // current window, because a window can have local current dir.
5622 gui_wingoto_xy(x, y);
5623 shorten_filenames(fnames, count);
5624
5625 // If Shift held down, remember the first item.
5626 if ((modifiers & MOUSE_SHIFT) != 0)
5627 p = vim_strsave(fnames[0]);
5628 else
5629 p = NULL;
5630
5631 // Handle the drop, :edit or :split to get to the file. This also
5632 // frees fnames[]. Skip this if there is only one item, it's a
5633 // directory and Shift is held down.
5634 if (count == 1 && (modifiers & MOUSE_SHIFT) != 0
5635 && mch_isdir(fnames[0]))
5636 {
5637 vim_free(fnames[0]);
5638 vim_free(fnames);
5639 vim_free(p);
5640 }
5641 else
5642 handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0,
5643 drop_callback, (void *)p);
5644 }
5645
5646 entered = FALSE;
5647 }
5648 #endif
5649
5650 /*
5651 * Check if "key" is to interrupt us. Handles a key that has not had modifiers
5652 * applied yet.
5653 * Return the key with modifiers applied if so, NUL if not.
5654 */
5655 int
check_for_interrupt(int key,int modifiers_arg)5656 check_for_interrupt(int key, int modifiers_arg)
5657 {
5658 int modifiers = modifiers_arg;
5659 int c = merge_modifyOtherKeys(key, &modifiers);
5660
5661 if ((c == Ctrl_C && ctrl_c_interrupts)
5662 #ifdef UNIX
5663 || (intr_char != Ctrl_C && c == intr_char)
5664 #endif
5665 )
5666 {
5667 got_int = TRUE;
5668 return c;
5669 }
5670 return NUL;
5671 }
5672
5673