blob: 3a1b31cdd11764ed03c4b38f14bc1d7c5c3a2a64 [file] [log] [blame]
Bram Moolenaar071d4272004-06-13 20:20:40 +00001/* vi:set ts=8 sts=4 sw=4:
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 */
14gui_T gui;
15
16#if defined(FEAT_MBYTE) && !defined(HAVE_GTK2)
17static void set_guifontwide __ARGS((char_u *font_name));
18#endif
19static void gui_check_pos __ARGS((void));
20static void gui_position_components __ARGS((int));
21static void gui_outstr __ARGS((char_u *, int));
22static int gui_screenchar __ARGS((int off, int flags, guicolor_T fg, guicolor_T bg, int back));
23#ifdef HAVE_GTK2
24static int gui_screenstr __ARGS((int off, int len, int flags, guicolor_T fg, guicolor_T bg, int back));
25#endif
26static void gui_delete_lines __ARGS((int row, int count));
27static void gui_insert_lines __ARGS((int row, int count));
28static void fill_mouse_coord __ARGS((char_u *p, int col, int row));
29static void gui_do_scrollbar __ARGS((win_T *wp, int which, int enable));
30static colnr_T scroll_line_len __ARGS((linenr_T lnum));
31static void gui_update_horiz_scrollbar __ARGS((int));
Bram Moolenaar3918c952005-03-15 22:34:55 +000032static void gui_set_fg_color __ARGS((char_u *name));
33static void gui_set_bg_color __ARGS((char_u *name));
Bram Moolenaar071d4272004-06-13 20:20:40 +000034static win_T *xy2win __ARGS((int x, int y));
35
36static int can_update_cursor = TRUE; /* can display the cursor */
37
38/*
39 * The Athena scrollbars can move the thumb to after the end of the scrollbar,
40 * this makes the thumb indicate the part of the text that is shown. Motif
41 * can't do this.
42 */
43#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MAC)
44# define SCROLL_PAST_END
45#endif
46
47/*
48 * gui_start -- Called when user wants to start the GUI.
49 *
50 * Careful: This function can be called recursively when there is a ":gui"
51 * command in the .gvimrc file. Only the first call should fork, not the
52 * recursive call.
53 */
54 void
55gui_start()
56{
57 char_u *old_term;
58#if defined(UNIX) && !defined(__BEOS__) && !defined(MACOS_X)
59# define MAY_FORK
60 int dofork = TRUE;
61#endif
62 static int recursive = 0;
63
64 old_term = vim_strsave(T_NAME);
65
66 /*
67 * Set_termname() will call gui_init() to start the GUI.
68 * Set the "starting" flag, to indicate that the GUI will start.
69 *
70 * We don't want to open the GUI shell until after we've read .gvimrc,
71 * otherwise we don't know what font we will use, and hence we don't know
72 * what size the shell should be. So if there are errors in the .gvimrc
73 * file, they will have to go to the terminal: Set full_screen to FALSE.
74 * full_screen will be set to TRUE again by a successful termcapinit().
75 */
76 settmode(TMODE_COOK); /* stop RAW mode */
77 if (full_screen)
78 cursor_on(); /* needed for ":gui" in .vimrc */
79 gui.starting = TRUE;
80 full_screen = FALSE;
81
82#ifdef MAY_FORK
83 if (!gui.dofork || vim_strchr(p_go, GO_FORG) || recursive)
84 dofork = FALSE;
85#endif
86 ++recursive;
87
88 termcapinit((char_u *)"builtin_gui");
89 gui.starting = recursive - 1;
90
91 if (!gui.in_use) /* failed to start GUI */
92 {
93 termcapinit(old_term); /* back to old term settings */
94 settmode(TMODE_RAW); /* restart RAW mode */
95#ifdef FEAT_TITLE
96 set_title_defaults(); /* set 'title' and 'icon' again */
97#endif
98 }
99
100 vim_free(old_term);
101
Bram Moolenaar9372a112005-12-06 19:59:18 +0000102#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
Bram Moolenaar071d4272004-06-13 20:20:40 +0000103 if (gui.in_use)
104 /* Display error messages in a dialog now. */
105 display_errors();
106#endif
107
108#if defined(MAY_FORK) && !defined(__QNXNTO__)
109 /*
110 * Quit the current process and continue in the child.
111 * Makes "gvim file" disconnect from the shell it was started in.
112 * Don't do this when Vim was started with "-f" or the 'f' flag is present
113 * in 'guioptions'.
114 */
115 if (gui.in_use && dofork)
116 {
117 int pipefd[2]; /* pipe between parent and child */
118 int pipe_error;
119 char dummy;
120 pid_t pid = -1;
121
122 /* Setup a pipe between the child and the parent, so that the parent
123 * knows when the child has done the setsid() call and is allowed to
124 * exit. */
125 pipe_error = (pipe(pipefd) < 0);
126 pid = fork();
127 if (pid > 0) /* Parent */
128 {
129 /* Give the child some time to do the setsid(), otherwise the
130 * exit() may kill the child too (when starting gvim from inside a
131 * gvim). */
132 if (pipe_error)
133 ui_delay(300L, TRUE);
134 else
135 {
136 /* The read returns when the child closes the pipe (or when
137 * the child dies for some reason). */
138 close(pipefd[1]);
139 (void)read(pipefd[0], &dummy, (size_t)1);
140 close(pipefd[0]);
141 }
142
143 /* When swapping screens we may need to go to the next line, e.g.,
144 * after a hit-enter prompt and using ":gui". */
145 if (newline_on_exit)
146 mch_errmsg("\r\n");
147
148 /*
149 * The parent must skip the normal exit() processing, the child
150 * will do it. For example, GTK messes up signals when exiting.
151 */
152 _exit(0);
153 }
154
155# if defined(HAVE_SETSID) || defined(HAVE_SETPGID)
156 /*
157 * Change our process group. On some systems/shells a CTRL-C in the
158 * shell where Vim was started would otherwise kill gvim!
159 */
160 if (pid == 0) /* child */
161# if defined(HAVE_SETSID)
162 (void)setsid();
163# else
164 (void)setpgid(0, 0);
165# endif
166# endif
167 if (!pipe_error)
168 {
169 close(pipefd[0]);
170 close(pipefd[1]);
171 }
172
173# if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
174 /* Tell the session manager our new PID */
175 gui_mch_forked();
176# endif
177 }
178#else
179# if defined(__QNXNTO__)
180 if (gui.in_use && dofork)
181 procmgr_daemon(0, PROCMGR_DAEMON_KEEPUMASK | PROCMGR_DAEMON_NOCHDIR |
182 PROCMGR_DAEMON_NOCLOSE | PROCMGR_DAEMON_NODEVNULL);
183# endif
184#endif
185
186#ifdef FEAT_AUTOCMD
187 /* If the GUI started successfully, trigger the GUIEnter event */
188 if (gui.in_use)
189 apply_autocmds(EVENT_GUIENTER, NULL, NULL, FALSE, curbuf);
190#endif
191
192 --recursive;
193}
194
195/*
196 * Call this when vim starts up, whether or not the GUI is started
197 */
198 void
199gui_prepare(argc, argv)
200 int *argc;
201 char **argv;
202{
203 gui.in_use = FALSE; /* No GUI yet (maybe later) */
204 gui.starting = FALSE; /* No GUI yet (maybe later) */
205 gui_mch_prepare(argc, argv);
206}
207
208/*
209 * Try initializing the GUI and check if it can be started.
210 * Used from main() to check early if "vim -g" can start the GUI.
211 * Used from gui_init() to prepare for starting the GUI.
212 * Returns FAIL or OK.
213 */
214 int
215gui_init_check()
216{
217 static int result = MAYBE;
218
219 if (result != MAYBE)
220 {
221 if (result == FAIL)
222 EMSG(_("E229: Cannot start the GUI"));
223 return result;
224 }
225
226 gui.shell_created = FALSE;
227 gui.dying = FALSE;
228 gui.in_focus = TRUE; /* so the guicursor setting works */
229 gui.dragged_sb = SBAR_NONE;
230 gui.dragged_wp = NULL;
231 gui.pointer_hidden = FALSE;
232 gui.col = 0;
233 gui.row = 0;
234 gui.num_cols = Columns;
235 gui.num_rows = Rows;
236
237 gui.cursor_is_valid = FALSE;
238 gui.scroll_region_top = 0;
239 gui.scroll_region_bot = Rows - 1;
240 gui.scroll_region_left = 0;
241 gui.scroll_region_right = Columns - 1;
242 gui.highlight_mask = HL_NORMAL;
243 gui.char_width = 1;
244 gui.char_height = 1;
245 gui.char_ascent = 0;
246 gui.border_width = 0;
247
248 gui.norm_font = NOFONT;
249#ifndef HAVE_GTK2
250 gui.bold_font = NOFONT;
251 gui.ital_font = NOFONT;
252 gui.boldital_font = NOFONT;
253# ifdef FEAT_XFONTSET
254 gui.fontset = NOFONTSET;
255# endif
256#endif
257
258#ifdef FEAT_MENU
259# ifndef HAVE_GTK2
260# ifdef FONTSET_ALWAYS
261 gui.menu_fontset = NOFONTSET;
262# else
263 gui.menu_font = NOFONT;
264# endif
265# endif
266 gui.menu_is_active = TRUE; /* default: include menu */
267# ifndef FEAT_GUI_GTK
268 gui.menu_height = MENU_DEFAULT_HEIGHT;
269 gui.menu_width = 0;
270# endif
271#endif
272#if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA))
273 gui.toolbar_height = 0;
274#endif
275#if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF)
276 gui.footer_height = 0;
277#endif
278#ifdef FEAT_BEVAL_TIP
279 gui.tooltip_fontset = NOFONTSET;
280#endif
281
282 gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH;
283 gui.prev_wrap = -1;
284
285#ifdef ALWAYS_USE_GUI
286 result = OK;
287#else
288 result = gui_mch_init_check();
289#endif
290 return result;
291}
292
293/*
294 * This is the call which starts the GUI.
295 */
296 void
297gui_init()
298{
299 win_T *wp;
300 static int recursive = 0;
301
302 /*
303 * It's possible to use ":gui" in a .gvimrc file. The first halve of this
304 * function will then be executed at the first call, the rest by the
305 * recursive call. This allow the shell to be opened halfway reading a
306 * gvimrc file.
307 */
308 if (!recursive)
309 {
310 ++recursive;
311
312 clip_init(TRUE);
313
314 /* If can't initialize, don't try doing the rest */
315 if (gui_init_check() == FAIL)
316 {
317 --recursive;
318 clip_init(FALSE);
319 return;
320 }
321
322 /*
Bram Moolenaarb23c3382005-01-31 19:09:12 +0000323 * Reset 'paste'. It's useful in the terminal, but not in the GUI. It
324 * breaks the Paste toolbar button.
325 */
326 set_option_value((char_u *)"paste", 0L, NULL, 0);
327
328 /*
Bram Moolenaar071d4272004-06-13 20:20:40 +0000329 * Set up system-wide default menus.
330 */
331#if defined(SYS_MENU_FILE) && defined(FEAT_MENU)
332 if (vim_strchr(p_go, GO_NOSYSMENU) == NULL)
333 {
334 sys_menu = TRUE;
335 do_source((char_u *)SYS_MENU_FILE, FALSE, FALSE);
336 sys_menu = FALSE;
337 }
338#endif
339
340 /*
341 * Switch on the mouse by default, unless the user changed it already.
342 * This can then be changed in the .gvimrc.
343 */
344 if (!option_was_set((char_u *)"mouse"))
345 set_string_option_direct((char_u *)"mouse", -1,
346 (char_u *)"a", OPT_FREE);
347
348 /*
349 * If -U option given, use only the initializations from that file and
350 * nothing else. Skip all initializations for "-U NONE" or "-u NORC".
351 */
352 if (use_gvimrc != NULL)
353 {
354 if (STRCMP(use_gvimrc, "NONE") != 0
355 && STRCMP(use_gvimrc, "NORC") != 0
356 && do_source(use_gvimrc, FALSE, FALSE) != OK)
357 EMSG2(_("E230: Cannot read from \"%s\""), use_gvimrc);
358 }
359 else
360 {
361 /*
362 * Get system wide defaults for gvim, only when file name defined.
363 */
364#ifdef SYS_GVIMRC_FILE
365 do_source((char_u *)SYS_GVIMRC_FILE, FALSE, FALSE);
366#endif
367
368 /*
369 * Try to read GUI initialization commands from the following
370 * places:
371 * - environment variable GVIMINIT
372 * - the user gvimrc file (~/.gvimrc)
373 * - the second user gvimrc file ($VIM/.gvimrc for Dos)
374 * - the third user gvimrc file ($VIM/.gvimrc for Amiga)
375 * The first that exists is used, the rest is ignored.
376 */
377 if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL
Bram Moolenaare6b165e2005-06-30 21:56:01 +0000378 && do_source((char_u *)USR_GVIMRC_FILE, TRUE, TRUE) == FAIL
Bram Moolenaar071d4272004-06-13 20:20:40 +0000379#ifdef USR_GVIMRC_FILE2
Bram Moolenaare6b165e2005-06-30 21:56:01 +0000380 && do_source((char_u *)USR_GVIMRC_FILE2, TRUE, TRUE) == FAIL
Bram Moolenaar071d4272004-06-13 20:20:40 +0000381#endif
382 )
383 {
384#ifdef USR_GVIMRC_FILE3
Bram Moolenaare6b165e2005-06-30 21:56:01 +0000385 (void)do_source((char_u *)USR_GVIMRC_FILE3, TRUE, TRUE);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000386#endif
387 }
388
389 /*
390 * Read initialization commands from ".gvimrc" in current
391 * directory. This is only done if the 'exrc' option is set.
392 * Because of security reasons we disallow shell and write
393 * commands now, except for unix if the file is owned by the user
394 * or 'secure' option has been reset in environment of global
395 * ".gvimrc".
396 * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE,
397 * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE.
398 */
399 if (p_exrc)
400 {
401#ifdef UNIX
402 {
403 struct stat s;
404
405 /* if ".gvimrc" file is not owned by user, set 'secure'
406 * mode */
407 if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid())
408 secure = p_secure;
409 }
410#else
411 secure = p_secure;
412#endif
413
414 if ( fullpathcmp((char_u *)USR_GVIMRC_FILE,
415 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
416#ifdef SYS_GVIMRC_FILE
417 && fullpathcmp((char_u *)SYS_GVIMRC_FILE,
418 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
419#endif
420#ifdef USR_GVIMRC_FILE2
421 && fullpathcmp((char_u *)USR_GVIMRC_FILE2,
422 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
423#endif
424#ifdef USR_GVIMRC_FILE3
425 && fullpathcmp((char_u *)USR_GVIMRC_FILE3,
426 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
427#endif
428 )
Bram Moolenaare6b165e2005-06-30 21:56:01 +0000429 do_source((char_u *)GVIMRC_FILE, TRUE, TRUE);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000430
431 if (secure == 2)
432 need_wait_return = TRUE;
433 secure = 0;
434 }
435 }
436
437 if (need_wait_return || msg_didany)
438 wait_return(TRUE);
439
440 --recursive;
441 }
442
443 /* If recursive call opened the shell, return here from the first call */
444 if (gui.in_use)
445 return;
446
447 /*
448 * Create the GUI shell.
449 */
450 gui.in_use = TRUE; /* Must be set after menus have been set up */
451 if (gui_mch_init() == FAIL)
452 goto error;
453
454 /* Avoid a delay for an error message that was printed in the terminal
455 * where Vim was started. */
456 emsg_on_display = FALSE;
457 msg_scrolled = 0;
Bram Moolenaar87e25fd2005-07-27 21:13:01 +0000458 clear_sb_text();
Bram Moolenaar071d4272004-06-13 20:20:40 +0000459 need_wait_return = FALSE;
460 msg_didany = FALSE;
461
462 /*
463 * Check validity of any generic resources that may have been loaded.
464 */
465 if (gui.border_width < 0)
466 gui.border_width = 0;
467
468 /*
469 * Set up the fonts. First use a font specified with "-fn" or "-font".
470 */
471 if (font_argument != NULL)
472 set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0);
473 if (
474#ifdef FEAT_XFONTSET
475 (*p_guifontset == NUL
476 || gui_init_font(p_guifontset, TRUE) == FAIL) &&
477#endif
478 gui_init_font(*p_guifont == NUL ? hl_get_font_name()
479 : p_guifont, FALSE) == FAIL)
480 {
481 EMSG(_("E665: Cannot start GUI, no valid font found"));
482 goto error2;
483 }
484#ifdef FEAT_MBYTE
485 if (gui_get_wide_font() == FAIL)
486 EMSG(_("E231: 'guifontwide' invalid"));
487#endif
488
489 gui.num_cols = Columns;
490 gui.num_rows = Rows;
491 gui_reset_scroll_region();
492
493 /* Create initial scrollbars */
494 FOR_ALL_WINDOWS(wp)
495 {
496 gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp);
497 gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp);
498 }
499 gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL);
500
501#ifdef FEAT_MENU
502 gui_create_initial_menus(root_menu);
503#endif
504#ifdef FEAT_SUN_WORKSHOP
505 if (usingSunWorkShop)
506 workshop_init();
507#endif
508#ifdef FEAT_SIGN_ICONS
509 sign_gui_started();
510#endif
511
512 /* Configure the desired menu and scrollbars */
513 gui_init_which_components(NULL);
514
515 /* All components of the GUI have been created now */
516 gui.shell_created = TRUE;
517
518#ifndef FEAT_GUI_GTK
519 /* Set the shell size, adjusted for the screen size. For GTK this only
520 * works after the shell has been opened, thus it is further down. */
521 gui_set_shellsize(FALSE, TRUE);
522#endif
523#if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
524 /* Need to set the size of the menubar after all the menus have been
525 * created. */
526 gui_mch_compute_menu_height((Widget)0);
527#endif
528
529 /*
530 * Actually open the GUI shell.
531 */
532 if (gui_mch_open() != FAIL)
533 {
534#ifdef FEAT_TITLE
535 maketitle();
536 resettitle();
537#endif
538 init_gui_options();
539#ifdef FEAT_ARABIC
540 /* Our GUI can't do bidi. */
541 p_tbidi = FALSE;
542#endif
Bram Moolenaar9372a112005-12-06 19:59:18 +0000543#if defined(FEAT_GUI_GTK)
Bram Moolenaar071d4272004-06-13 20:20:40 +0000544 /* Give GTK+ a chance to put all widget's into place. */
545 gui_mch_update();
546 /* Now make sure the shell fits on the screen. */
547 gui_set_shellsize(FALSE, TRUE);
548#endif
Bram Moolenaar41bfd302005-04-24 21:59:46 +0000549 /* When 'lines' was set while starting up the topframe may have to be
550 * resized. */
551 win_new_shellsize();
Bram Moolenaarfd91ecb2005-03-07 23:06:25 +0000552
553#ifdef FEAT_BEVAL
554 /* Always create the Balloon Evaluation area, but disable it when
555 * 'ballooneval' is off */
556# ifdef FEAT_GUI_GTK
557 balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL,
558 &general_beval_cb, NULL);
559# else
Bram Moolenaar4317d9b2005-03-18 20:25:31 +0000560# if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)
Bram Moolenaarfd91ecb2005-03-07 23:06:25 +0000561 {
562 extern Widget textArea;
563 balloonEval = gui_mch_create_beval_area(textArea, NULL,
Bram Moolenaar4317d9b2005-03-18 20:25:31 +0000564 &general_beval_cb, NULL);
Bram Moolenaarfd91ecb2005-03-07 23:06:25 +0000565 }
566# else
567# ifdef FEAT_GUI_W32
568 balloonEval = gui_mch_create_beval_area(NULL, NULL,
569 &general_beval_cb, NULL);
570# endif
571# endif
572# endif
573 if (!p_beval)
574 gui_mch_disable_beval_area(balloonEval);
575#endif
576
Bram Moolenaar071d4272004-06-13 20:20:40 +0000577#ifdef FEAT_NETBEANS_INTG
578 if (starting == 0 && usingNetbeans)
579 /* Tell the client that it can start sending commands. */
580 netbeans_startup_done();
581#endif
582#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
583 if (!im_xim_isvalid_imactivate())
584 EMSG(_("E599: Value of 'imactivatekey' is invalid"));
585#endif
Bram Moolenaard8b0cf12004-12-12 11:33:30 +0000586 /* When 'cmdheight' was set during startup it may not have taken
587 * effect yet. */
588 if (p_ch != 1L)
Bram Moolenaar05159a02005-02-26 23:04:13 +0000589 command_height(-1L);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000590
591 return;
592 }
593
594error2:
595#ifdef FEAT_GUI_X11
596 /* undo gui_mch_init() */
597 gui_mch_uninit();
598#endif
599
600error:
601 gui.in_use = FALSE;
602 clip_init(FALSE);
603}
604
605
606 void
607gui_exit(rc)
608 int rc;
609{
610#ifndef __BEOS__
611 /* don't free the fonts, it leads to a BUS error
612 * richard@whitequeen.com Jul 99 */
613 free_highlight_fonts();
614#endif
615 gui.in_use = FALSE;
616 gui_mch_exit(rc);
617}
618
Bram Moolenaar9372a112005-12-06 19:59:18 +0000619#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \
Bram Moolenaar071d4272004-06-13 20:20:40 +0000620 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(PROTO)
621/*
622 * Called when the GUI shell is closed by the user. If there are no changed
623 * files Vim exits, otherwise there will be a dialog to ask the user what to
624 * do.
625 * When this function returns, Vim should NOT exit!
626 */
627 void
628gui_shell_closed()
629{
630 cmdmod_T save_cmdmod;
631
632 save_cmdmod = cmdmod;
633
634 /* Only exit when there are no changed files */
635 exiting = TRUE;
636# ifdef FEAT_BROWSE
637 cmdmod.browse = TRUE;
638# endif
639# if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
640 cmdmod.confirm = TRUE;
641# endif
642 /* If there are changed buffers, present the user with a dialog if
643 * possible, otherwise give an error message. */
644 if (!check_changed_any(FALSE))
645 getout(0);
646
647 exiting = FALSE;
648 cmdmod = save_cmdmod;
649 setcursor(); /* position cursor */
650 out_flush();
651}
652#endif
653
654/*
655 * Set the font. "font_list" is a a comma separated list of font names. The
656 * first font name that works is used. If none is found, use the default
657 * font.
658 * If "fontset" is TRUE, the "font_list" is used as one name for the fontset.
659 * Return OK when able to set the font. When it failed FAIL is returned and
660 * the fonts are unchanged.
661 */
662/*ARGSUSED*/
663 int
664gui_init_font(font_list, fontset)
665 char_u *font_list;
666 int fontset;
667{
668#define FONTLEN 320
669 char_u font_name[FONTLEN];
670 int font_list_empty = FALSE;
671 int ret = FAIL;
672
673 if (!gui.in_use)
674 return FAIL;
675
676 font_name[0] = NUL;
677 if (*font_list == NUL)
678 font_list_empty = TRUE;
679 else
680 {
681#ifdef FEAT_XFONTSET
682 /* When using a fontset, the whole list of fonts is one name. */
683 if (fontset)
684 ret = gui_mch_init_font(font_list, TRUE);
685 else
686#endif
687 while (*font_list != NUL)
688 {
689 /* Isolate one comma separated font name. */
690 (void)copy_option_part(&font_list, font_name, FONTLEN, ",");
691
692 /* Careful!!! The Win32 version of gui_mch_init_font(), when
693 * called with "*" will change p_guifont to the selected font
694 * name, which frees the old value. This makes font_list
695 * invalid. Thus when OK is returned here, font_list must no
696 * longer be used! */
697 if (gui_mch_init_font(font_name, FALSE) == OK)
698 {
699#if defined(FEAT_MBYTE) && !defined(HAVE_GTK2)
700 /* If it's a Unicode font, try setting 'guifontwide' to a
701 * similar double-width font. */
702 if ((p_guifontwide == NULL || *p_guifontwide == NUL)
703 && strstr((char *)font_name, "10646") != NULL)
704 set_guifontwide(font_name);
705#endif
706 ret = OK;
707 break;
708 }
709 }
710 }
711
712 if (ret != OK
713 && STRCMP(font_list, "*") != 0
714 && (font_list_empty || gui.norm_font == NOFONT))
715 {
716 /*
717 * Couldn't load any font in 'font_list', keep the current font if
718 * there is one. If 'font_list' is empty, or if there is no current
719 * font, tell gui_mch_init_font() to try to find a font we can load.
720 */
721 ret = gui_mch_init_font(NULL, FALSE);
722 }
723
724 if (ret == OK)
725 {
726#ifndef HAVE_GTK2
727 /* Set normal font as current font */
728# ifdef FEAT_XFONTSET
729 if (gui.fontset != NOFONTSET)
730 gui_mch_set_fontset(gui.fontset);
731 else
732# endif
733 gui_mch_set_font(gui.norm_font);
734#endif
735 gui_set_shellsize(FALSE,
736#ifdef MSWIN
737 TRUE
738#else
739 FALSE
740#endif
741 );
742 }
743
744 return ret;
745}
746
747#if defined(FEAT_MBYTE) || defined(PROTO)
748# ifndef HAVE_GTK2
749/*
750 * Try setting 'guifontwide' to a font twice as wide as "name".
751 */
752 static void
753set_guifontwide(name)
754 char_u *name;
755{
756 int i = 0;
757 char_u wide_name[FONTLEN + 10]; /* room for 2 * width and '*' */
758 char_u *wp = NULL;
759 char_u *p;
760 GuiFont font;
761
762 wp = wide_name;
763 for (p = name; *p != NUL; ++p)
764 {
765 *wp++ = *p;
766 if (*p == '-')
767 {
768 ++i;
769 if (i == 6) /* font type: change "--" to "-*-" */
770 {
771 if (p[1] == '-')
772 *wp++ = '*';
773 }
774 else if (i == 12) /* found the width */
775 {
776 ++p;
777 i = getdigits(&p);
778 if (i != 0)
779 {
780 /* Double the width specification. */
781 sprintf((char *)wp, "%d%s", i * 2, p);
782 font = gui_mch_get_font(wide_name, FALSE);
783 if (font != NOFONT)
784 {
Bram Moolenaard8b0cf12004-12-12 11:33:30 +0000785 gui_mch_free_font(gui.wide_font);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000786 gui.wide_font = font;
787 set_string_option_direct((char_u *)"gfw", -1,
788 wide_name, OPT_FREE);
Bram Moolenaard1f56e62006-02-22 21:25:37 +0000789# ifdef FEAT_EVAL
790 set_option_scriptID((char_u *)"gfw", current_SID);
791# endif
Bram Moolenaar071d4272004-06-13 20:20:40 +0000792 }
793 }
794 break;
795 }
796 }
797 }
798}
799# endif /* !HAVE_GTK2 */
800
801/*
802 * Get the font for 'guifontwide'.
803 * Return FAIL for an invalid font name.
804 */
805 int
806gui_get_wide_font()
807{
808 GuiFont font = NOFONT;
809 char_u font_name[FONTLEN];
810 char_u *p;
811
812 if (!gui.in_use) /* Can't allocate font yet, assume it's OK. */
813 return OK; /* Will give an error message later. */
814
815 if (p_guifontwide != NULL && *p_guifontwide != NUL)
816 {
817 for (p = p_guifontwide; *p != NUL; )
818 {
819 /* Isolate one comma separated font name. */
820 (void)copy_option_part(&p, font_name, FONTLEN, ",");
821 font = gui_mch_get_font(font_name, FALSE);
822 if (font != NOFONT)
823 break;
824 }
825 if (font == NOFONT)
826 return FAIL;
827 }
828
829 gui_mch_free_font(gui.wide_font);
830#ifdef HAVE_GTK2
831 /* Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. */
832 if (font != NOFONT && gui.norm_font != NOFONT
833 && pango_font_description_equal(font, gui.norm_font))
834 {
835 gui.wide_font = NOFONT;
836 gui_mch_free_font(font);
837 }
838 else
839#endif
840 gui.wide_font = font;
841 return OK;
842}
843#endif
844
845 void
846gui_set_cursor(row, col)
847 int row;
848 int col;
849{
850 gui.row = row;
851 gui.col = col;
852}
853
854/*
855 * gui_check_pos - check if the cursor is on the screen.
856 */
857 static void
858gui_check_pos()
859{
860 if (gui.row >= screen_Rows)
861 gui.row = screen_Rows - 1;
862 if (gui.col >= screen_Columns)
863 gui.col = screen_Columns - 1;
864 if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns)
865 gui.cursor_is_valid = FALSE;
866}
867
868/*
869 * Redraw the cursor if necessary or when forced.
870 * Careful: The contents of ScreenLines[] must match what is on the screen,
871 * otherwise this goes wrong. May need to call out_flush() first.
872 */
873 void
874gui_update_cursor(force, clear_selection)
875 int force; /* when TRUE, update even when not moved */
876 int clear_selection;/* clear selection under cursor */
877{
878 int cur_width = 0;
879 int cur_height = 0;
880 int old_hl_mask;
881 int idx;
882 int id;
883 guicolor_T cfg, cbg, cc; /* cursor fore-/background color */
884 int cattr; /* cursor attributes */
885 int attr;
886 attrentry_T *aep = NULL;
887
888 /* Don't update the cursor when halfway busy scrolling.
889 * ScreenLines[] isn't valid then. */
890 if (!can_update_cursor)
891 return;
892
893 gui_check_pos();
894 if (!gui.cursor_is_valid || force
895 || gui.row != gui.cursor_row || gui.col != gui.cursor_col)
896 {
897 gui_undraw_cursor();
898 if (gui.row < 0)
899 return;
900#ifdef USE_IM_CONTROL
901 if (gui.row != gui.cursor_row || gui.col != gui.cursor_col)
902 im_set_position(gui.row, gui.col);
903#endif
904 gui.cursor_row = gui.row;
905 gui.cursor_col = gui.col;
906
907 /* Only write to the screen after ScreenLines[] has been initialized */
908 if (!screen_cleared || ScreenLines == NULL)
909 return;
910
911 /* Clear the selection if we are about to write over it */
912 if (clear_selection)
913 clip_may_clear_selection(gui.row, gui.row);
914 /* Check that the cursor is inside the shell (resizing may have made
915 * it invalid) */
916 if (gui.row >= screen_Rows || gui.col >= screen_Columns)
917 return;
918
919 gui.cursor_is_valid = TRUE;
920
921 /*
922 * How the cursor is drawn depends on the current mode.
923 */
924 idx = get_shape_idx(FALSE);
925 if (State & LANGMAP)
926 id = shape_table[idx].id_lm;
927 else
928 id = shape_table[idx].id;
929
930 /* get the colors and attributes for the cursor. Default is inverted */
931 cfg = INVALCOLOR;
932 cbg = INVALCOLOR;
933 cattr = HL_INVERSE;
934 gui_mch_set_blinking(shape_table[idx].blinkwait,
935 shape_table[idx].blinkon,
936 shape_table[idx].blinkoff);
937 if (id > 0)
938 {
939 cattr = syn_id2colors(id, &cfg, &cbg);
940#if defined(USE_IM_CONTROL) || defined(FEAT_HANGULIN)
941 {
942 static int iid;
943 guicolor_T fg, bg;
944
945 if (im_get_status())
946 {
947 iid = syn_name2id((char_u *)"CursorIM");
948 if (iid > 0)
949 {
950 syn_id2colors(iid, &fg, &bg);
951 if (bg != INVALCOLOR)
952 cbg = bg;
953 if (fg != INVALCOLOR)
954 cfg = fg;
955 }
956 }
957 }
958#endif
959 }
960
961 /*
962 * Get the attributes for the character under the cursor.
963 * When no cursor color was given, use the character color.
964 */
965 attr = ScreenAttrs[LineOffset[gui.row] + gui.col];
966 if (attr > HL_ALL)
967 aep = syn_gui_attr2entry(attr);
968 if (aep != NULL)
969 {
970 attr = aep->ae_attr;
971 if (cfg == INVALCOLOR)
972 cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
973 : aep->ae_u.gui.fg_color);
974 if (cbg == INVALCOLOR)
975 cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
976 : aep->ae_u.gui.bg_color);
977 }
978 if (cfg == INVALCOLOR)
979 cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel;
980 if (cbg == INVALCOLOR)
981 cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel;
982
983#ifdef FEAT_XIM
984 if (aep != NULL)
985 {
986 xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
987 : aep->ae_u.gui.bg_color);
988 xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
989 : aep->ae_u.gui.fg_color);
990 if (xim_bg_color == INVALCOLOR)
991 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
992 : gui.back_pixel;
993 if (xim_fg_color == INVALCOLOR)
994 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel
995 : gui.norm_pixel;
996 }
997 else
998 {
999 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
1000 : gui.back_pixel;
1001 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel
1002 : gui.norm_pixel;
1003 }
1004#endif
1005
1006 attr &= ~HL_INVERSE;
1007 if (cattr & HL_INVERSE)
1008 {
1009 cc = cbg;
1010 cbg = cfg;
1011 cfg = cc;
1012 }
1013 cattr &= ~HL_INVERSE;
1014
1015 /*
1016 * When we don't have window focus, draw a hollow cursor.
1017 */
1018 if (!gui.in_focus)
1019 {
1020 gui_mch_draw_hollow_cursor(cbg);
1021 return;
1022 }
1023
1024 old_hl_mask = gui.highlight_mask;
1025 if (shape_table[idx].shape == SHAPE_BLOCK
1026#ifdef FEAT_HANGULIN
1027 || composing_hangul
1028#endif
1029 )
1030 {
1031 /*
1032 * Draw the text character with the cursor colors. Use the
1033 * character attributes plus the cursor attributes.
1034 */
1035 gui.highlight_mask = (cattr | attr);
1036#ifdef FEAT_HANGULIN
1037 if (composing_hangul)
1038 (void)gui_outstr_nowrap(composing_hangul_buffer, 2,
1039 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0);
1040 else
1041#endif
1042 (void)gui_screenchar(LineOffset[gui.row] + gui.col,
1043 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0);
1044 }
1045 else
1046 {
1047#if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT)
1048 int col_off = FALSE;
1049#endif
1050 /*
1051 * First draw the partial cursor, then overwrite with the text
1052 * character, using a transparent background.
1053 */
1054 if (shape_table[idx].shape == SHAPE_VER)
1055 {
1056 cur_height = gui.char_height;
1057 cur_width = (gui.char_width * shape_table[idx].percentage
1058 + 99) / 100;
1059 }
1060 else
1061 {
1062 cur_height = (gui.char_height * shape_table[idx].percentage
1063 + 99) / 100;
1064 cur_width = gui.char_width;
1065 }
1066#ifdef FEAT_MBYTE
1067 if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col) > 1)
1068 {
1069 /* Double wide character. */
1070 if (shape_table[idx].shape != SHAPE_VER)
1071 cur_width += gui.char_width;
1072# ifdef FEAT_RIGHTLEFT
1073 if (CURSOR_BAR_RIGHT)
1074 {
1075 /* gui.col points to the left halve of the character but
1076 * the vertical line needs to be on the right halve.
1077 * A double-wide horizontal line is also drawn from the
1078 * right halve in gui_mch_draw_part_cursor(). */
1079 col_off = TRUE;
1080 ++gui.col;
1081 }
1082# endif
1083 }
1084#endif
1085 gui_mch_draw_part_cursor(cur_width, cur_height, cbg);
1086#if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT)
1087 if (col_off)
1088 --gui.col;
1089#endif
1090
1091#ifndef FEAT_GUI_MSWIN /* doesn't seem to work for MSWindows */
1092 gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col];
1093 (void)gui_screenchar(LineOffset[gui.row] + gui.col,
1094 GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR,
1095 (guicolor_T)0, (guicolor_T)0, 0);
1096#endif
1097 }
1098 gui.highlight_mask = old_hl_mask;
1099 }
1100}
1101
1102#if defined(FEAT_MENU) || defined(PROTO)
1103 void
1104gui_position_menu()
1105{
Bram Moolenaar9372a112005-12-06 19:59:18 +00001106# if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001107 if (gui.menu_is_active && gui.in_use)
1108 gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height);
1109# endif
1110}
1111#endif
1112
1113/*
1114 * Position the various GUI components (text area, menu). The vertical
1115 * scrollbars are NOT handled here. See gui_update_scrollbars().
1116 */
1117/*ARGSUSED*/
1118 static void
1119gui_position_components(total_width)
1120 int total_width;
1121{
1122 int text_area_x;
1123 int text_area_y;
1124 int text_area_width;
1125 int text_area_height;
1126
1127 /* avoid that moving components around generates events */
1128 ++hold_gui_events;
1129
1130 text_area_x = 0;
1131 if (gui.which_scrollbars[SBAR_LEFT])
1132 text_area_x += gui.scrollbar_width;
1133
1134 text_area_y = 0;
1135#if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON))
1136 gui.menu_width = total_width;
1137 if (gui.menu_is_active)
1138 text_area_y += gui.menu_height;
1139#endif
1140#if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN)
1141 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1142 text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
1143#endif
1144
1145#if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA))
1146 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1147 {
1148# ifdef FEAT_GUI_ATHENA
1149 gui_mch_set_toolbar_pos(0, text_area_y,
1150 gui.menu_width, gui.toolbar_height);
1151# endif
1152 text_area_y += gui.toolbar_height;
1153 }
1154#endif
1155
1156 text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2;
1157 text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2;
1158
1159 gui_mch_set_text_area_pos(text_area_x,
1160 text_area_y,
1161 text_area_width,
1162 text_area_height
1163#if defined(FEAT_XIM) && !defined(HAVE_GTK2)
1164 + xim_get_status_area_height()
1165#endif
1166 );
1167#ifdef FEAT_MENU
1168 gui_position_menu();
1169#endif
1170 if (gui.which_scrollbars[SBAR_BOTTOM])
1171 gui_mch_set_scrollbar_pos(&gui.bottom_sbar,
1172 text_area_x,
1173 text_area_y + text_area_height,
1174 text_area_width,
1175 gui.scrollbar_height);
1176 gui.left_sbar_x = 0;
1177 gui.right_sbar_x = text_area_x + text_area_width;
1178
1179 --hold_gui_events;
1180}
1181
Bram Moolenaar02743632005-07-25 20:42:36 +00001182/*
1183 * Get the width of the widgets and decorations to the side of the text area.
1184 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001185 int
1186gui_get_base_width()
1187{
1188 int base_width;
1189
1190 base_width = 2 * gui.border_offset;
1191 if (gui.which_scrollbars[SBAR_LEFT])
1192 base_width += gui.scrollbar_width;
1193 if (gui.which_scrollbars[SBAR_RIGHT])
1194 base_width += gui.scrollbar_width;
1195 return base_width;
1196}
1197
Bram Moolenaar02743632005-07-25 20:42:36 +00001198/*
1199 * Get the height of the widgets and decorations above and below the text area.
1200 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001201 int
1202gui_get_base_height()
1203{
1204 int base_height;
1205
1206 base_height = 2 * gui.border_offset;
1207 if (gui.which_scrollbars[SBAR_BOTTOM])
1208 base_height += gui.scrollbar_height;
1209#ifdef FEAT_GUI_GTK
1210 /* We can't take the sizes properly into account until anything is
1211 * realized. Therefore we recalculate all the values here just before
1212 * setting the size. (--mdcki) */
1213#else
1214# ifdef FEAT_MENU
1215 if (gui.menu_is_active)
1216 base_height += gui.menu_height;
1217# endif
1218# ifdef FEAT_TOOLBAR
1219 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1220# if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR)
1221 base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT);
1222# else
1223 base_height += gui.toolbar_height;
1224# endif
1225# endif
1226# ifdef FEAT_FOOTER
1227 if (vim_strchr(p_go, GO_FOOTER) != NULL)
1228 base_height += gui.footer_height;
1229# endif
1230# if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
1231 base_height += gui_mch_text_area_extra_height();
1232# endif
1233#endif
1234 return base_height;
1235}
1236
1237/*
1238 * Should be called after the GUI shell has been resized. Its arguments are
1239 * the new width and height of the shell in pixels.
1240 */
1241 void
1242gui_resize_shell(pixel_width, pixel_height)
1243 int pixel_width;
1244 int pixel_height;
1245{
1246 static int busy = FALSE;
1247
1248 if (!gui.shell_created) /* ignore when still initializing */
1249 return;
1250
1251 /*
1252 * Can't resize the screen while it is being redrawn. Remember the new
1253 * size and handle it later.
1254 */
1255 if (updating_screen || busy)
1256 {
1257 new_pixel_width = pixel_width;
1258 new_pixel_height = pixel_height;
1259 return;
1260 }
1261
1262again:
1263 busy = TRUE;
1264
Bram Moolenaar071d4272004-06-13 20:20:40 +00001265 /* Flush pending output before redrawing */
1266 out_flush();
1267
1268 gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width;
1269 gui.num_rows = (pixel_height - gui_get_base_height()
1270#if !defined(FEAT_GUI_PHOTON) && !defined(FEAT_GUI_MSWIN)
1271 + (gui.char_height / 2)
1272#endif
1273 ) / gui.char_height;
1274
1275 gui_position_components(pixel_width);
1276
1277 gui_reset_scroll_region();
1278 /*
1279 * At the "more" and ":confirm" prompt there is no redraw, put the cursor
1280 * at the last line here (why does it have to be one row too low?).
1281 */
1282 if (State == ASKMORE || State == CONFIRM)
1283 gui.row = gui.num_rows;
1284
1285 /* Only comparing Rows and Columns may be sufficient, but let's stay on
1286 * the safe side. */
1287 if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns
1288 || gui.num_rows != Rows || gui.num_cols != Columns)
1289 shell_resized();
1290
Bram Moolenaar071d4272004-06-13 20:20:40 +00001291 gui_update_scrollbars(TRUE);
1292 gui_update_cursor(FALSE, TRUE);
1293#if defined(FEAT_XIM) && !defined(HAVE_GTK2)
1294 xim_set_status_area();
1295#endif
1296
1297 busy = FALSE;
Bram Moolenaare45828b2006-02-15 22:12:56 +00001298
Bram Moolenaar071d4272004-06-13 20:20:40 +00001299 /*
1300 * We could have been called again while redrawing the screen.
1301 * Need to do it all again with the latest size then.
1302 */
1303 if (new_pixel_height)
1304 {
1305 pixel_width = new_pixel_width;
1306 pixel_height = new_pixel_height;
1307 new_pixel_width = 0;
1308 new_pixel_height = 0;
1309 goto again;
1310 }
1311}
1312
1313/*
1314 * Check if gui_resize_shell() must be called.
1315 */
1316 void
1317gui_may_resize_shell()
1318{
1319 int h, w;
1320
1321 if (new_pixel_height)
1322 {
1323 /* careful: gui_resize_shell() may postpone the resize again if we
1324 * were called indirectly by it */
1325 w = new_pixel_width;
1326 h = new_pixel_height;
1327 new_pixel_width = 0;
1328 new_pixel_height = 0;
1329 gui_resize_shell(w, h);
1330 }
1331}
1332
1333 int
1334gui_get_shellsize()
1335{
1336 Rows = gui.num_rows;
1337 Columns = gui.num_cols;
1338 return OK;
1339}
1340
1341/*
1342 * Set the size of the Vim shell according to Rows and Columns.
Bram Moolenaar02743632005-07-25 20:42:36 +00001343 * If "fit_to_display" is TRUE then the size may be reduced to fit the window
1344 * on the screen.
Bram Moolenaar071d4272004-06-13 20:20:40 +00001345 */
1346/*ARGSUSED*/
1347 void
1348gui_set_shellsize(mustset, fit_to_display)
1349 int mustset; /* set by the user */
1350 int fit_to_display;
1351{
1352 int base_width;
1353 int base_height;
1354 int width;
1355 int height;
1356 int min_width;
1357 int min_height;
1358 int screen_w;
1359 int screen_h;
1360
1361 if (!gui.shell_created)
1362 return;
1363
1364#ifdef MSWIN
1365 /* If not setting to a user specified size and maximized, calculate the
1366 * number of characters that fit in the maximized window. */
1367 if (!mustset && gui_mch_maximized())
1368 {
1369 gui_mch_newfont();
1370 return;
1371 }
1372#endif
1373
1374 base_width = gui_get_base_width();
1375 base_height = gui_get_base_height();
1376#ifdef USE_SUN_WORKSHOP
1377 if (!mustset && usingSunWorkShop
1378 && workshop_get_width_height(&width, &height))
1379 {
1380 Columns = (width - base_width + gui.char_width - 1) / gui.char_width;
1381 Rows = (height - base_height + gui.char_height - 1) / gui.char_height;
1382 }
1383 else
1384#endif
1385 {
1386 width = Columns * gui.char_width + base_width;
1387 height = Rows * gui.char_height + base_height;
1388 }
1389
1390 if (fit_to_display)
1391 {
1392 gui_mch_get_screen_dimensions(&screen_w, &screen_h);
1393 if (width > screen_w)
1394 {
1395 Columns = (screen_w - base_width) / gui.char_width;
1396 if (Columns < MIN_COLUMNS)
1397 Columns = MIN_COLUMNS;
1398 width = Columns * gui.char_width + base_width;
1399 }
1400 if (height > screen_h)
1401 {
1402 Rows = (screen_h - base_height) / gui.char_height;
1403 check_shellsize();
1404 height = Rows * gui.char_height + base_height;
1405 }
1406 }
1407 gui.num_cols = Columns;
1408 gui.num_rows = Rows;
1409
1410 min_width = base_width + MIN_COLUMNS * gui.char_width;
1411 min_height = base_height + MIN_LINES * gui.char_height;
Bram Moolenaare45828b2006-02-15 22:12:56 +00001412# ifdef FEAT_WINDOWS
1413 min_height += tabpageline_height() * gui.char_height;
1414# endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00001415
1416 gui_mch_set_shellsize(width, height, min_width, min_height,
1417 base_width, base_height);
1418 if (fit_to_display)
1419 {
1420 int x, y;
1421
1422 /* Some window managers put the Vim window left of/above the screen. */
1423 gui_mch_update();
1424 if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0))
1425 gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y);
1426 }
1427
1428 gui_position_components(width);
1429 gui_update_scrollbars(TRUE);
1430 gui_reset_scroll_region();
1431}
1432
1433/*
1434 * Called when Rows and/or Columns has changed.
1435 */
1436 void
1437gui_new_shellsize()
1438{
1439 gui_reset_scroll_region();
1440}
1441
1442/*
1443 * Make scroll region cover whole screen.
1444 */
1445 void
1446gui_reset_scroll_region()
1447{
1448 gui.scroll_region_top = 0;
1449 gui.scroll_region_bot = gui.num_rows - 1;
1450 gui.scroll_region_left = 0;
1451 gui.scroll_region_right = gui.num_cols - 1;
1452}
1453
1454 void
1455gui_start_highlight(mask)
1456 int mask;
1457{
1458 if (mask > HL_ALL) /* highlight code */
1459 gui.highlight_mask = mask;
1460 else /* mask */
1461 gui.highlight_mask |= mask;
1462}
1463
1464 void
1465gui_stop_highlight(mask)
1466 int mask;
1467{
1468 if (mask > HL_ALL) /* highlight code */
1469 gui.highlight_mask = HL_NORMAL;
1470 else /* mask */
1471 gui.highlight_mask &= ~mask;
1472}
1473
1474/*
1475 * Clear a rectangular region of the screen from text pos (row1, col1) to
1476 * (row2, col2) inclusive.
1477 */
1478 void
1479gui_clear_block(row1, col1, row2, col2)
1480 int row1;
1481 int col1;
1482 int row2;
1483 int col2;
1484{
1485 /* Clear the selection if we are about to write over it */
1486 clip_may_clear_selection(row1, row2);
1487
1488 gui_mch_clear_block(row1, col1, row2, col2);
1489
1490 /* Invalidate cursor if it was in this block */
1491 if ( gui.cursor_row >= row1 && gui.cursor_row <= row2
1492 && gui.cursor_col >= col1 && gui.cursor_col <= col2)
1493 gui.cursor_is_valid = FALSE;
1494}
1495
1496/*
1497 * Write code to update the cursor later. This avoids the need to flush the
1498 * output buffer before calling gui_update_cursor().
1499 */
1500 void
1501gui_update_cursor_later()
1502{
1503 OUT_STR(IF_EB("\033|s", ESC_STR "|s"));
1504}
1505
1506 void
1507gui_write(s, len)
1508 char_u *s;
1509 int len;
1510{
1511 char_u *p;
1512 int arg1 = 0, arg2 = 0;
1513 /* this doesn't make sense, disabled until someone can explain why it
1514 * would be needed */
1515#if 0 && (defined(RISCOS) || defined(WIN16))
1516 int force_cursor = TRUE; /* JK230798, stop Vim being smart or
1517 our redraw speed will suffer */
1518#else
1519 int force_cursor = FALSE; /* force cursor update */
1520#endif
1521 int force_scrollbar = FALSE;
1522 static win_T *old_curwin = NULL;
1523
1524/* #define DEBUG_GUI_WRITE */
1525#ifdef DEBUG_GUI_WRITE
1526 {
1527 int i;
1528 char_u *str;
1529
1530 printf("gui_write(%d):\n ", len);
1531 for (i = 0; i < len; i++)
1532 if (s[i] == ESC)
1533 {
1534 if (i != 0)
1535 printf("\n ");
1536 printf("<ESC>");
1537 }
1538 else
1539 {
1540 str = transchar_byte(s[i]);
1541 if (str[0] && str[1])
1542 printf("<%s>", (char *)str);
1543 else
1544 printf("%s", (char *)str);
1545 }
1546 printf("\n");
1547 }
1548#endif
1549 while (len)
1550 {
1551 if (s[0] == ESC && s[1] == '|')
1552 {
1553 p = s + 2;
1554 if (VIM_ISDIGIT(*p))
1555 {
1556 arg1 = getdigits(&p);
1557 if (p > s + len)
1558 break;
1559 if (*p == ';')
1560 {
1561 ++p;
1562 arg2 = getdigits(&p);
1563 if (p > s + len)
1564 break;
1565 }
1566 }
1567 switch (*p)
1568 {
1569 case 'C': /* Clear screen */
1570 clip_scroll_selection(9999);
1571 gui_mch_clear_all();
1572 gui.cursor_is_valid = FALSE;
1573 force_scrollbar = TRUE;
1574 break;
1575 case 'M': /* Move cursor */
1576 gui_set_cursor(arg1, arg2);
1577 break;
1578 case 's': /* force cursor (shape) update */
1579 force_cursor = TRUE;
1580 break;
1581 case 'R': /* Set scroll region */
1582 if (arg1 < arg2)
1583 {
1584 gui.scroll_region_top = arg1;
1585 gui.scroll_region_bot = arg2;
1586 }
1587 else
1588 {
1589 gui.scroll_region_top = arg2;
1590 gui.scroll_region_bot = arg1;
1591 }
1592 break;
1593#ifdef FEAT_VERTSPLIT
1594 case 'V': /* Set vertical scroll region */
1595 if (arg1 < arg2)
1596 {
1597 gui.scroll_region_left = arg1;
1598 gui.scroll_region_right = arg2;
1599 }
1600 else
1601 {
1602 gui.scroll_region_left = arg2;
1603 gui.scroll_region_right = arg1;
1604 }
1605 break;
1606#endif
1607 case 'd': /* Delete line */
1608 gui_delete_lines(gui.row, 1);
1609 break;
1610 case 'D': /* Delete lines */
1611 gui_delete_lines(gui.row, arg1);
1612 break;
1613 case 'i': /* Insert line */
1614 gui_insert_lines(gui.row, 1);
1615 break;
1616 case 'I': /* Insert lines */
1617 gui_insert_lines(gui.row, arg1);
1618 break;
1619 case '$': /* Clear to end-of-line */
1620 gui_clear_block(gui.row, gui.col, gui.row,
1621 (int)Columns - 1);
1622 break;
1623 case 'h': /* Turn on highlighting */
1624 gui_start_highlight(arg1);
1625 break;
1626 case 'H': /* Turn off highlighting */
1627 gui_stop_highlight(arg1);
1628 break;
1629 case 'f': /* flash the window (visual bell) */
1630 gui_mch_flash(arg1 == 0 ? 20 : arg1);
1631 break;
1632 default:
1633 p = s + 1; /* Skip the ESC */
1634 break;
1635 }
1636 len -= (int)(++p - s);
1637 s = p;
1638 }
1639 else if (
1640#ifdef EBCDIC
1641 CtrlChar(s[0]) != 0 /* Ctrl character */
1642#else
1643 s[0] < 0x20 /* Ctrl character */
1644#endif
1645#ifdef FEAT_SIGN_ICONS
1646 && s[0] != SIGN_BYTE
1647# ifdef FEAT_NETBEANS_INTG
1648 && s[0] != MULTISIGN_BYTE
1649# endif
1650#endif
1651 )
1652 {
1653 if (s[0] == '\n') /* NL */
1654 {
1655 gui.col = 0;
1656 if (gui.row < gui.scroll_region_bot)
1657 gui.row++;
1658 else
1659 gui_delete_lines(gui.scroll_region_top, 1);
1660 }
1661 else if (s[0] == '\r') /* CR */
1662 {
1663 gui.col = 0;
1664 }
1665 else if (s[0] == '\b') /* Backspace */
1666 {
1667 if (gui.col)
1668 --gui.col;
1669 }
1670 else if (s[0] == Ctrl_L) /* cursor-right */
1671 {
1672 ++gui.col;
1673 }
1674 else if (s[0] == Ctrl_G) /* Beep */
1675 {
1676 gui_mch_beep();
1677 }
1678 /* Other Ctrl character: shouldn't happen! */
1679
1680 --len; /* Skip this char */
1681 ++s;
1682 }
1683 else
1684 {
1685 p = s;
1686 while (len > 0 && (
1687#ifdef EBCDIC
1688 CtrlChar(*p) == 0
1689#else
1690 *p >= 0x20
1691#endif
1692#ifdef FEAT_SIGN_ICONS
1693 || *p == SIGN_BYTE
1694# ifdef FEAT_NETBEANS_INTG
1695 || *p == MULTISIGN_BYTE
1696# endif
1697#endif
1698 ))
1699 {
1700 len--;
1701 p++;
1702 }
1703 gui_outstr(s, (int)(p - s));
1704 s = p;
1705 }
1706 }
1707
1708 /* Postponed update of the cursor (won't work if "can_update_cursor" isn't
1709 * set). */
1710 if (force_cursor)
1711 gui_update_cursor(TRUE, TRUE);
1712
1713 /* When switching to another window the dragging must have stopped.
1714 * Required for GTK, dragged_sb isn't reset. */
1715 if (old_curwin != curwin)
1716 gui.dragged_sb = SBAR_NONE;
1717
1718 /* Update the scrollbars after clearing the screen or when switched
1719 * to another window.
1720 * Update the horizontal scrollbar always, it's difficult to check all
1721 * situations where it might change. */
1722 if (force_scrollbar || old_curwin != curwin)
1723 gui_update_scrollbars(force_scrollbar);
1724 else
1725 gui_update_horiz_scrollbar(FALSE);
1726 old_curwin = curwin;
1727
1728 /*
1729 * We need to make sure this is cleared since Athena doesn't tell us when
1730 * he is done dragging. Do the same for GTK.
1731 */
Bram Moolenaar9372a112005-12-06 19:59:18 +00001732#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001733 gui.dragged_sb = SBAR_NONE;
1734#endif
1735
1736 gui_mch_flush(); /* In case vim decides to take a nap */
1737}
1738
1739/*
1740 * When ScreenLines[] is invalid, updating the cursor should not be done, it
1741 * produces wrong results. Call gui_dont_update_cursor() before that code and
1742 * gui_can_update_cursor() afterwards.
1743 */
1744 void
1745gui_dont_update_cursor()
1746{
1747 if (gui.in_use)
1748 {
1749 /* Undraw the cursor now, we probably can't do it after the change. */
1750 gui_undraw_cursor();
1751 can_update_cursor = FALSE;
1752 }
1753}
1754
1755 void
1756gui_can_update_cursor()
1757{
1758 can_update_cursor = TRUE;
1759 /* No need to update the cursor right now, there is always more output
1760 * after scrolling. */
1761}
1762
1763 static void
1764gui_outstr(s, len)
1765 char_u *s;
1766 int len;
1767{
1768 int this_len;
1769#ifdef FEAT_MBYTE
1770 int cells;
1771#endif
1772
1773 if (len == 0)
1774 return;
1775
1776 if (len < 0)
1777 len = (int)STRLEN(s);
1778
1779 while (len > 0)
1780 {
1781#ifdef FEAT_MBYTE
1782 if (has_mbyte)
1783 {
1784 /* Find out how many chars fit in the current line. */
1785 cells = 0;
1786 for (this_len = 0; this_len < len; )
1787 {
1788 cells += (*mb_ptr2cells)(s + this_len);
1789 if (gui.col + cells > Columns)
1790 break;
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00001791 this_len += (*mb_ptr2len)(s + this_len);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001792 }
1793 if (this_len > len)
1794 this_len = len; /* don't include following composing char */
1795 }
1796 else
1797#endif
1798 if (gui.col + len > Columns)
1799 this_len = Columns - gui.col;
1800 else
1801 this_len = len;
1802
1803 (void)gui_outstr_nowrap(s, this_len,
1804 0, (guicolor_T)0, (guicolor_T)0, 0);
1805 s += this_len;
1806 len -= this_len;
1807#ifdef FEAT_MBYTE
1808 /* fill up for a double-width char that doesn't fit. */
1809 if (len > 0 && gui.col < Columns)
1810 (void)gui_outstr_nowrap((char_u *)" ", 1,
1811 0, (guicolor_T)0, (guicolor_T)0, 0);
1812#endif
1813 /* The cursor may wrap to the next line. */
1814 if (gui.col >= Columns)
1815 {
1816 gui.col = 0;
1817 gui.row++;
1818 }
1819 }
1820}
1821
1822/*
1823 * Output one character (may be one or two display cells).
1824 * Caller must check for valid "off".
1825 * Returns FAIL or OK, just like gui_outstr_nowrap().
1826 */
1827 static int
1828gui_screenchar(off, flags, fg, bg, back)
1829 int off; /* Offset from start of screen */
1830 int flags;
1831 guicolor_T fg, bg; /* colors for cursor */
1832 int back; /* backup this many chars when using bold trick */
1833{
1834#ifdef FEAT_MBYTE
1835 char_u buf[MB_MAXBYTES + 1];
1836
1837 /* Don't draw right halve of a double-width UTF-8 char. "cannot happen" */
1838 if (enc_utf8 && ScreenLines[off] == 0)
1839 return OK;
1840
1841 if (enc_utf8 && ScreenLinesUC[off] != 0)
1842 /* Draw UTF-8 multi-byte character. */
1843 return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf),
1844 flags, fg, bg, back);
1845
1846 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
1847 {
1848 buf[0] = ScreenLines[off];
1849 buf[1] = ScreenLines2[off];
1850 return gui_outstr_nowrap(buf, 2, flags, fg, bg, back);
1851 }
1852
1853 /* Draw non-multi-byte character or DBCS character. */
1854 return gui_outstr_nowrap(ScreenLines + off,
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00001855 enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1,
Bram Moolenaar071d4272004-06-13 20:20:40 +00001856 flags, fg, bg, back);
1857#else
1858 return gui_outstr_nowrap(ScreenLines + off, 1, flags, fg, bg, back);
1859#endif
1860}
1861
1862#ifdef HAVE_GTK2
1863/*
1864 * Output the string at the given screen position. This is used in place
1865 * of gui_screenchar() where possible because Pango needs as much context
1866 * as possible to work nicely. It's a lot faster as well.
1867 */
1868 static int
1869gui_screenstr(off, len, flags, fg, bg, back)
1870 int off; /* Offset from start of screen */
1871 int len; /* string length in screen cells */
1872 int flags;
1873 guicolor_T fg, bg; /* colors for cursor */
1874 int back; /* backup this many chars when using bold trick */
1875{
1876 char_u *buf;
1877 int outlen = 0;
1878 int i;
1879 int retval;
1880
1881 if (len <= 0) /* "cannot happen"? */
1882 return OK;
1883
1884 if (enc_utf8)
1885 {
1886 buf = alloc((unsigned)(len * MB_MAXBYTES + 1));
1887 if (buf == NULL)
1888 return OK; /* not much we could do here... */
1889
1890 for (i = off; i < off + len; ++i)
1891 {
1892 if (ScreenLines[i] == 0)
1893 continue; /* skip second half of double-width char */
1894
1895 if (ScreenLinesUC[i] == 0)
1896 buf[outlen++] = ScreenLines[i];
1897 else
1898 outlen += utfc_char2bytes(i, buf + outlen);
1899 }
1900
1901 buf[outlen] = NUL; /* only to aid debugging */
1902 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back);
1903 vim_free(buf);
1904
1905 return retval;
1906 }
1907 else if (enc_dbcs == DBCS_JPNU)
1908 {
1909 buf = alloc((unsigned)(len * 2 + 1));
1910 if (buf == NULL)
1911 return OK; /* not much we could do here... */
1912
1913 for (i = off; i < off + len; ++i)
1914 {
1915 buf[outlen++] = ScreenLines[i];
1916
1917 /* handle double-byte single-width char */
1918 if (ScreenLines[i] == 0x8e)
1919 buf[outlen++] = ScreenLines2[i];
1920 else if (MB_BYTE2LEN(ScreenLines[i]) == 2)
1921 buf[outlen++] = ScreenLines[++i];
1922 }
1923
1924 buf[outlen] = NUL; /* only to aid debugging */
1925 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back);
1926 vim_free(buf);
1927
1928 return retval;
1929 }
1930 else
1931 {
1932 return gui_outstr_nowrap(&ScreenLines[off], len,
1933 flags, fg, bg, back);
1934 }
1935}
1936#endif /* HAVE_GTK2 */
1937
1938/*
1939 * Output the given string at the current cursor position. If the string is
1940 * too long to fit on the line, then it is truncated.
1941 * "flags":
1942 * GUI_MON_IS_CURSOR should only be used when this function is being called to
1943 * actually draw (an inverted) cursor.
1944 * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparant
1945 * background.
1946 * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over
1947 * it.
1948 * Returns OK, unless "back" is non-zero and using the bold trick, then return
1949 * FAIL (the caller should start drawing "back" chars back).
1950 */
1951 int
1952gui_outstr_nowrap(s, len, flags, fg, bg, back)
1953 char_u *s;
1954 int len;
1955 int flags;
1956 guicolor_T fg, bg; /* colors for cursor */
1957 int back; /* backup this many chars when using bold trick */
1958{
1959 long_u highlight_mask;
1960 long_u hl_mask_todo;
1961 guicolor_T fg_color;
1962 guicolor_T bg_color;
Bram Moolenaar3918c952005-03-15 22:34:55 +00001963 guicolor_T sp_color;
Bram Moolenaar9372a112005-12-06 19:59:18 +00001964#if !defined(MSWIN16_FASTTEXT) && !defined(HAVE_GTK2)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001965 GuiFont font = NOFONT;
1966# ifdef FEAT_XFONTSET
1967 GuiFontset fontset = NOFONTSET;
1968# endif
1969#endif
1970 attrentry_T *aep = NULL;
1971 int draw_flags;
1972 int col = gui.col;
1973#ifdef FEAT_SIGN_ICONS
1974 int draw_sign = FALSE;
1975# ifdef FEAT_NETBEANS_INTG
1976 int multi_sign = FALSE;
1977# endif
1978#endif
1979
1980 if (len < 0)
1981 len = (int)STRLEN(s);
1982 if (len == 0)
1983 return OK;
1984
1985#ifdef FEAT_SIGN_ICONS
1986 if (*s == SIGN_BYTE
1987# ifdef FEAT_NETBEANS_INTG
1988 || *s == MULTISIGN_BYTE
1989# endif
1990 )
1991 {
1992# ifdef FEAT_NETBEANS_INTG
1993 if (*s == MULTISIGN_BYTE)
1994 multi_sign = TRUE;
1995# endif
1996 /* draw spaces instead */
1997 s = (char_u *)" ";
1998 if (len == 1 && col > 0)
1999 --col;
2000 len = 2;
2001 draw_sign = TRUE;
2002 highlight_mask = 0;
2003 }
2004 else
2005#endif
2006 if (gui.highlight_mask > HL_ALL)
2007 {
2008 aep = syn_gui_attr2entry(gui.highlight_mask);
2009 if (aep == NULL) /* highlighting not set */
2010 highlight_mask = 0;
2011 else
2012 highlight_mask = aep->ae_attr;
2013 }
2014 else
2015 highlight_mask = gui.highlight_mask;
2016 hl_mask_todo = highlight_mask;
2017
Bram Moolenaar9372a112005-12-06 19:59:18 +00002018#if !defined(MSWIN16_FASTTEXT) && !defined(HAVE_GTK2)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002019 /* Set the font */
2020 if (aep != NULL && aep->ae_u.gui.font != NOFONT)
2021 font = aep->ae_u.gui.font;
2022# ifdef FEAT_XFONTSET
2023 else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET)
2024 fontset = aep->ae_u.gui.fontset;
2025# endif
2026 else
2027 {
2028# ifdef FEAT_XFONTSET
2029 if (gui.fontset != NOFONTSET)
2030 fontset = gui.fontset;
2031 else
2032# endif
2033 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
2034 {
2035 if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT)
2036 {
2037 font = gui.boldital_font;
2038 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC);
2039 }
2040 else if (gui.bold_font != NOFONT)
2041 {
2042 font = gui.bold_font;
2043 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT);
2044 }
2045 else
2046 font = gui.norm_font;
2047 }
2048 else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT)
2049 {
2050 font = gui.ital_font;
2051 hl_mask_todo &= ~HL_ITALIC;
2052 }
2053 else
2054 font = gui.norm_font;
2055 }
2056# ifdef FEAT_XFONTSET
2057 if (fontset != NOFONTSET)
2058 gui_mch_set_fontset(fontset);
2059 else
2060# endif
2061 gui_mch_set_font(font);
2062#endif
2063
2064 draw_flags = 0;
2065
2066 /* Set the color */
2067 bg_color = gui.back_pixel;
2068 if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus)
2069 {
2070 draw_flags |= DRAW_CURSOR;
2071 fg_color = fg;
2072 bg_color = bg;
Bram Moolenaar3918c952005-03-15 22:34:55 +00002073 sp_color = fg;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002074 }
2075 else if (aep != NULL)
2076 {
2077 fg_color = aep->ae_u.gui.fg_color;
2078 if (fg_color == INVALCOLOR)
2079 fg_color = gui.norm_pixel;
2080 bg_color = aep->ae_u.gui.bg_color;
2081 if (bg_color == INVALCOLOR)
2082 bg_color = gui.back_pixel;
Bram Moolenaar3918c952005-03-15 22:34:55 +00002083 sp_color = aep->ae_u.gui.sp_color;
2084 if (sp_color == INVALCOLOR)
2085 sp_color = fg_color;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002086 }
2087 else
Bram Moolenaar3918c952005-03-15 22:34:55 +00002088 {
Bram Moolenaar071d4272004-06-13 20:20:40 +00002089 fg_color = gui.norm_pixel;
Bram Moolenaar3918c952005-03-15 22:34:55 +00002090 sp_color = fg_color;
2091 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00002092
2093 if (highlight_mask & (HL_INVERSE | HL_STANDOUT))
2094 {
2095#if defined(AMIGA) || defined(RISCOS)
2096 gui_mch_set_colors(bg_color, fg_color);
2097#else
2098 gui_mch_set_fg_color(bg_color);
2099 gui_mch_set_bg_color(fg_color);
2100#endif
2101 }
2102 else
2103 {
2104#if defined(AMIGA) || defined(RISCOS)
2105 gui_mch_set_colors(fg_color, bg_color);
2106#else
2107 gui_mch_set_fg_color(fg_color);
2108 gui_mch_set_bg_color(bg_color);
2109#endif
2110 }
Bram Moolenaar3918c952005-03-15 22:34:55 +00002111 gui_mch_set_sp_color(sp_color);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002112
2113 /* Clear the selection if we are about to write over it */
2114 if (!(flags & GUI_MON_NOCLEAR))
2115 clip_may_clear_selection(gui.row, gui.row);
2116
2117
2118#ifndef MSWIN16_FASTTEXT
2119 /* If there's no bold font, then fake it */
2120 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
2121 draw_flags |= DRAW_BOLD;
2122#endif
2123
2124 /*
2125 * When drawing bold or italic characters the spill-over from the left
2126 * neighbor may be destroyed. Let the caller backup to start redrawing
2127 * just after a blank.
2128 */
2129 if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC)))
2130 return FAIL;
2131
Bram Moolenaar9372a112005-12-06 19:59:18 +00002132#if defined(RISCOS) || defined(HAVE_GTK2)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002133 /* If there's no italic font, then fake it.
2134 * For GTK2, we don't need a different font for italic style. */
2135 if (hl_mask_todo & HL_ITALIC)
2136 draw_flags |= DRAW_ITALIC;
2137
2138 /* Do we underline the text? */
2139 if (hl_mask_todo & HL_UNDERLINE)
2140 draw_flags |= DRAW_UNDERL;
2141#else
2142 /* Do we underline the text? */
2143 if ((hl_mask_todo & HL_UNDERLINE)
2144# ifndef MSWIN16_FASTTEXT
2145 || (hl_mask_todo & HL_ITALIC)
2146# endif
2147 )
2148 draw_flags |= DRAW_UNDERL;
2149#endif
Bram Moolenaar3918c952005-03-15 22:34:55 +00002150 /* Do we undercurl the text? */
2151 if (hl_mask_todo & HL_UNDERCURL)
2152 draw_flags |= DRAW_UNDERC;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002153
2154 /* Do we draw transparantly? */
2155 if (flags & GUI_MON_TRS_CURSOR)
2156 draw_flags |= DRAW_TRANSP;
2157
2158 /*
2159 * Draw the text.
2160 */
2161#ifdef HAVE_GTK2
2162 /* The value returned is the length in display cells */
2163 len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags);
2164#else
2165# ifdef FEAT_MBYTE
2166 if (enc_utf8)
2167 {
2168 int start; /* index of bytes to be drawn */
2169 int cells; /* cellwidth of bytes to be drawn */
2170 int thislen; /* length of bytes to be drawin */
2171 int cn; /* cellwidth of current char */
2172 int i; /* index of current char */
2173 int c; /* current char value */
2174 int cl; /* byte length of current char */
2175 int comping; /* current char is composing */
2176 int scol = col; /* screen column */
2177 int dowide; /* use 'guifontwide' */
2178
2179 /* Break the string at a composing character, it has to be drawn on
2180 * top of the previous character. */
2181 start = 0;
2182 cells = 0;
2183 for (i = 0; i < len; i += cl)
2184 {
2185 c = utf_ptr2char(s + i);
2186 cn = utf_char2cells(c);
2187 if (cn > 1
2188# ifdef FEAT_XFONTSET
2189 && fontset == NOFONTSET
2190# endif
2191 && gui.wide_font != NOFONT)
2192 dowide = TRUE;
2193 else
2194 dowide = FALSE;
2195 comping = utf_iscomposing(c);
2196 if (!comping) /* count cells from non-composing chars */
2197 cells += cn;
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00002198 cl = utf_ptr2len(s + i);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002199 if (cl == 0) /* hit end of string */
2200 len = i + cl; /* len must be wrong "cannot happen" */
2201
2202 /* print the string so far if it's the last character or there is
2203 * a composing character. */
2204 if (i + cl >= len || (comping && i > start) || dowide
Bram Moolenaar9372a112005-12-06 19:59:18 +00002205# if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002206 || (cn > 1
2207# ifdef FEAT_XFONTSET
2208 /* No fontset: At least draw char after wide char at
2209 * right position. */
2210 && fontset == NOFONTSET
2211# endif
2212 )
2213# endif
2214 )
2215 {
2216 if (comping || dowide)
2217 thislen = i - start;
2218 else
2219 thislen = i - start + cl;
2220 if (thislen > 0)
2221 {
2222 gui_mch_draw_string(gui.row, scol, s + start, thislen,
2223 draw_flags);
2224 start += thislen;
2225 }
2226 scol += cells;
2227 cells = 0;
2228 if (dowide)
2229 {
2230 gui_mch_set_font(gui.wide_font);
2231 gui_mch_draw_string(gui.row, scol - cn,
2232 s + start, cl, draw_flags);
2233 gui_mch_set_font(font);
2234 start += cl;
2235 }
2236
Bram Moolenaar9372a112005-12-06 19:59:18 +00002237# if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
Bram Moolenaar843ee412004-06-30 16:16:41 +00002238 /* No fontset: draw a space to fill the gap after a wide char
2239 * */
Bram Moolenaar071d4272004-06-13 20:20:40 +00002240 if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0
2241# ifdef FEAT_XFONTSET
2242 && fontset == NOFONTSET
2243# endif
2244 && !dowide)
2245 gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ",
2246 1, draw_flags);
2247# endif
2248 }
2249 /* Draw a composing char on top of the previous char. */
2250 if (comping)
2251 {
Bram Moolenaarf25fd512005-09-30 21:15:37 +00002252# if (defined(__APPLE_CC__) || defined(__MRC__)) && TARGET_API_MAC_CARBON
Bram Moolenaarfd91ecb2005-03-07 23:06:25 +00002253 /* Carbon ATSUI autodraws composing char over previous char */
2254 gui_mch_draw_string(gui.row, scol, s + i, cl,
2255 draw_flags | DRAW_TRANSP);
Bram Moolenaarf25fd512005-09-30 21:15:37 +00002256# else
2257 gui_mch_draw_string(gui.row, scol - cn, s + i, cl,
2258 draw_flags | DRAW_TRANSP);
Bram Moolenaarfd91ecb2005-03-07 23:06:25 +00002259# endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00002260 start = i + cl;
2261 }
2262 }
2263 /* The stuff below assumes "len" is the length in screen columns. */
2264 len = scol - col;
2265 }
2266 else
2267# endif
2268 {
2269 gui_mch_draw_string(gui.row, col, s, len, draw_flags);
2270# ifdef FEAT_MBYTE
2271 if (enc_dbcs == DBCS_JPNU)
2272 {
2273 int clen = 0;
2274 int i;
2275
2276 /* Get the length in display cells, this can be different from the
2277 * number of bytes for "euc-jp". */
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00002278 for (i = 0; i < len; i += (*mb_ptr2len)(s + i))
Bram Moolenaar071d4272004-06-13 20:20:40 +00002279 clen += (*mb_ptr2cells)(s + i);
2280 len = clen;
2281 }
2282# endif
2283 }
2284#endif /* !HAVE_GTK2 */
2285
2286 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR)))
2287 gui.col = col + len;
2288
2289 /* May need to invert it when it's part of the selection. */
2290 if (flags & GUI_MON_NOCLEAR)
2291 clip_may_redraw_selection(gui.row, col, len);
2292
2293 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR)))
2294 {
2295 /* Invalidate the old physical cursor position if we wrote over it */
2296 if (gui.cursor_row == gui.row
2297 && gui.cursor_col >= col
2298 && gui.cursor_col < col + len)
2299 gui.cursor_is_valid = FALSE;
2300 }
2301
2302#ifdef FEAT_SIGN_ICONS
2303 if (draw_sign)
2304 /* Draw the sign on top of the spaces. */
2305 gui_mch_drawsign(gui.row, col, gui.highlight_mask);
2306# ifdef FEAT_NETBEANS_INTG
2307 if (multi_sign)
2308 netbeans_draw_multisign_indicator(gui.row);
2309# endif
2310#endif
2311
2312 return OK;
2313}
2314
2315/*
2316 * Un-draw the cursor. Actually this just redraws the character at the given
2317 * position. The character just before it too, for when it was in bold.
2318 */
2319 void
2320gui_undraw_cursor()
2321{
2322 if (gui.cursor_is_valid)
2323 {
2324#ifdef FEAT_HANGULIN
2325 if (composing_hangul
2326 && gui.col == gui.cursor_col && gui.row == gui.cursor_row)
2327 (void)gui_outstr_nowrap(composing_hangul_buffer, 2,
2328 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR,
2329 gui.norm_pixel, gui.back_pixel, 0);
2330 else
2331 {
2332#endif
2333 if (gui_redraw_block(gui.cursor_row, gui.cursor_col,
2334 gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR)
2335 && gui.cursor_col > 0)
2336 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col - 1,
2337 gui.cursor_row, gui.cursor_col - 1, GUI_MON_NOCLEAR);
2338#ifdef FEAT_HANGULIN
2339 if (composing_hangul)
2340 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col + 1,
2341 gui.cursor_row, gui.cursor_col + 1, GUI_MON_NOCLEAR);
2342 }
2343#endif
2344 /* Cursor_is_valid is reset when the cursor is undrawn, also reset it
2345 * here in case it wasn't needed to undraw it. */
2346 gui.cursor_is_valid = FALSE;
2347 }
2348}
2349
2350 void
2351gui_redraw(x, y, w, h)
2352 int x;
2353 int y;
2354 int w;
2355 int h;
2356{
2357 int row1, col1, row2, col2;
2358
2359 row1 = Y_2_ROW(y);
2360 col1 = X_2_COL(x);
2361 row2 = Y_2_ROW(y + h - 1);
2362 col2 = X_2_COL(x + w - 1);
2363
2364 (void)gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR);
2365
2366 /*
2367 * We may need to redraw the cursor, but don't take it upon us to change
2368 * its location after a scroll.
2369 * (maybe be more strict even and test col too?)
2370 * These things may be outside the update/clipping region and reality may
2371 * not reflect Vims internal ideas if these operations are clipped away.
2372 */
2373 if (gui.row == gui.cursor_row)
2374 gui_update_cursor(TRUE, TRUE);
2375}
2376
2377/*
2378 * Draw a rectangular block of characters, from row1 to row2 (inclusive) and
2379 * from col1 to col2 (inclusive).
2380 * Return TRUE when the character before the first drawn character has
2381 * different attributes (may have to be redrawn too).
2382 */
2383 int
2384gui_redraw_block(row1, col1, row2, col2, flags)
2385 int row1;
2386 int col1;
2387 int row2;
2388 int col2;
2389 int flags; /* flags for gui_outstr_nowrap() */
2390{
2391 int old_row, old_col;
2392 long_u old_hl_mask;
2393 int off;
Bram Moolenaar3918c952005-03-15 22:34:55 +00002394 sattr_T first_attr;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002395 int idx, len;
2396 int back, nback;
2397 int retval = FALSE;
2398#ifdef FEAT_MBYTE
2399 int orig_col1, orig_col2;
2400#endif
2401
2402 /* Don't try to update when ScreenLines is not valid */
2403 if (!screen_cleared || ScreenLines == NULL)
2404 return retval;
2405
2406 /* Don't try to draw outside the shell! */
2407 /* Check everything, strange values may be caused by a big border width */
2408 col1 = check_col(col1);
2409 col2 = check_col(col2);
2410 row1 = check_row(row1);
2411 row2 = check_row(row2);
2412
2413 /* Remember where our cursor was */
2414 old_row = gui.row;
2415 old_col = gui.col;
2416 old_hl_mask = gui.highlight_mask;
2417#ifdef FEAT_MBYTE
2418 orig_col1 = col1;
2419 orig_col2 = col2;
2420#endif
2421
2422 for (gui.row = row1; gui.row <= row2; gui.row++)
2423 {
2424#ifdef FEAT_MBYTE
2425 /* When only half of a double-wide character is in the block, include
2426 * the other half. */
2427 col1 = orig_col1;
2428 col2 = orig_col2;
2429 off = LineOffset[gui.row];
2430 if (enc_dbcs != 0)
2431 {
2432 if (col1 > 0)
2433 col1 -= dbcs_screen_head_off(ScreenLines + off,
2434 ScreenLines + off + col1);
2435 col2 += dbcs_screen_tail_off(ScreenLines + off,
2436 ScreenLines + off + col2);
2437 }
2438 else if (enc_utf8)
2439 {
2440 if (ScreenLines[off + col1] == 0)
2441 --col1;
2442# ifdef HAVE_GTK2
2443 if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0)
2444 ++col2;
2445# endif
2446 }
2447#endif
2448 gui.col = col1;
2449 off = LineOffset[gui.row] + gui.col;
2450 len = col2 - col1 + 1;
2451
2452 /* Find how many chars back this highlighting starts, or where a space
2453 * is. Needed for when the bold trick is used */
2454 for (back = 0; back < col1; ++back)
2455 if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off]
2456 || ScreenLines[off - 1 - back] == ' ')
2457 break;
2458 retval = (col1 > 0 && ScreenAttrs[off - 1] != 0 && back == 0
2459 && ScreenLines[off - 1] != ' ');
2460
2461 /* Break it up in strings of characters with the same attributes. */
2462 /* Print UTF-8 characters individually. */
2463 while (len > 0)
2464 {
2465 first_attr = ScreenAttrs[off];
2466 gui.highlight_mask = first_attr;
2467#if defined(FEAT_MBYTE) && !defined(HAVE_GTK2)
2468 if (enc_utf8 && ScreenLinesUC[off] != 0)
2469 {
2470 /* output multi-byte character separately */
2471 nback = gui_screenchar(off, flags,
2472 (guicolor_T)0, (guicolor_T)0, back);
2473 if (gui.col < Columns && ScreenLines[off + 1] == 0)
2474 idx = 2;
2475 else
2476 idx = 1;
2477 }
2478 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
2479 {
2480 /* output double-byte, single-width character separately */
2481 nback = gui_screenchar(off, flags,
2482 (guicolor_T)0, (guicolor_T)0, back);
2483 idx = 1;
2484 }
2485 else
2486#endif
2487 {
2488#ifdef HAVE_GTK2
2489 for (idx = 0; idx < len; ++idx)
2490 {
2491 if (enc_utf8 && ScreenLines[off + idx] == 0)
2492 continue; /* skip second half of double-width char */
2493 if (ScreenAttrs[off + idx] != first_attr)
2494 break;
2495 }
2496 /* gui_screenstr() takes care of multibyte chars */
2497 nback = gui_screenstr(off, idx, flags,
2498 (guicolor_T)0, (guicolor_T)0, back);
2499#else
2500 for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr;
2501 idx++)
2502 {
2503# ifdef FEAT_MBYTE
2504 /* Stop at a multi-byte Unicode character. */
2505 if (enc_utf8 && ScreenLinesUC[off + idx] != 0)
2506 break;
2507 if (enc_dbcs == DBCS_JPNU)
2508 {
2509 /* Stop at a double-byte single-width char. */
2510 if (ScreenLines[off + idx] == 0x8e)
2511 break;
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00002512 if (len > 1 && (*mb_ptr2len)(ScreenLines
Bram Moolenaar071d4272004-06-13 20:20:40 +00002513 + off + idx) == 2)
2514 ++idx; /* skip second byte of double-byte char */
2515 }
2516# endif
2517 }
2518 nback = gui_outstr_nowrap(ScreenLines + off, idx, flags,
2519 (guicolor_T)0, (guicolor_T)0, back);
2520#endif
2521 }
2522 if (nback == FAIL)
2523 {
2524 /* Must back up to start drawing where a bold or italic word
2525 * starts. */
2526 off -= back;
2527 len += back;
2528 gui.col -= back;
2529 }
2530 else
2531 {
2532 off += idx;
2533 len -= idx;
2534 }
2535 back = 0;
2536 }
2537 }
2538
2539 /* Put the cursor back where it was */
2540 gui.row = old_row;
2541 gui.col = old_col;
2542 gui.highlight_mask = old_hl_mask;
2543
2544 return retval;
2545}
2546
2547 static void
2548gui_delete_lines(row, count)
2549 int row;
2550 int count;
2551{
2552 if (count <= 0)
2553 return;
2554
2555 if (row + count > gui.scroll_region_bot)
2556 /* Scrolled out of region, just blank the lines out */
2557 gui_clear_block(row, gui.scroll_region_left,
2558 gui.scroll_region_bot, gui.scroll_region_right);
2559 else
2560 {
2561 gui_mch_delete_lines(row, count);
2562
2563 /* If the cursor was in the deleted lines it's now gone. If the
2564 * cursor was in the scrolled lines adjust its position. */
2565 if (gui.cursor_row >= row
2566 && gui.cursor_col >= gui.scroll_region_left
2567 && gui.cursor_col <= gui.scroll_region_right)
2568 {
2569 if (gui.cursor_row < row + count)
2570 gui.cursor_is_valid = FALSE;
2571 else if (gui.cursor_row <= gui.scroll_region_bot)
2572 gui.cursor_row -= count;
2573 }
2574 }
2575}
2576
2577 static void
2578gui_insert_lines(row, count)
2579 int row;
2580 int count;
2581{
2582 if (count <= 0)
2583 return;
2584
2585 if (row + count > gui.scroll_region_bot)
2586 /* Scrolled out of region, just blank the lines out */
2587 gui_clear_block(row, gui.scroll_region_left,
2588 gui.scroll_region_bot, gui.scroll_region_right);
2589 else
2590 {
2591 gui_mch_insert_lines(row, count);
2592
2593 if (gui.cursor_row >= gui.row
2594 && gui.cursor_col >= gui.scroll_region_left
2595 && gui.cursor_col <= gui.scroll_region_right)
2596 {
2597 if (gui.cursor_row <= gui.scroll_region_bot - count)
2598 gui.cursor_row += count;
2599 else if (gui.cursor_row <= gui.scroll_region_bot)
2600 gui.cursor_is_valid = FALSE;
2601 }
2602 }
2603}
2604
2605/*
2606 * The main GUI input routine. Waits for a character from the keyboard.
2607 * wtime == -1 Wait forever.
2608 * wtime == 0 Don't wait.
2609 * wtime > 0 Wait wtime milliseconds for a character.
2610 * Returns OK if a character was found to be available within the given time,
2611 * or FAIL otherwise.
2612 */
2613 int
2614gui_wait_for_chars(wtime)
2615 long wtime;
2616{
2617 int retval;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002618
2619 /*
2620 * If we're going to wait a bit, update the menus and mouse shape for the
2621 * current State.
2622 */
2623 if (wtime != 0)
2624 {
2625#ifdef FEAT_MENU
2626 gui_update_menus(0);
2627#endif
2628 }
2629
2630 gui_mch_update();
2631 if (input_available()) /* Got char, return immediately */
Bram Moolenaar071d4272004-06-13 20:20:40 +00002632 return OK;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002633 if (wtime == 0) /* Don't wait for char */
Bram Moolenaar071d4272004-06-13 20:20:40 +00002634 return FAIL;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002635
2636 /* Before waiting, flush any output to the screen. */
2637 gui_mch_flush();
2638
2639 if (wtime > 0)
2640 {
2641 /* Blink when waiting for a character. Probably only does something
2642 * for showmatch() */
2643 gui_mch_start_blink();
2644 retval = gui_mch_wait_for_chars(wtime);
2645 gui_mch_stop_blink();
Bram Moolenaar071d4272004-06-13 20:20:40 +00002646 return retval;
2647 }
2648
2649 /*
2650 * While we are waiting indefenitely for a character, blink the cursor.
2651 */
2652 gui_mch_start_blink();
2653
Bram Moolenaar3918c952005-03-15 22:34:55 +00002654 retval = FAIL;
2655 /*
2656 * We may want to trigger the CursorHold event. First wait for
2657 * 'updatetime' and if nothing is typed within that time put the
2658 * K_CURSORHOLD key in the input buffer.
2659 */
2660 if (gui_mch_wait_for_chars(p_ut) == OK)
2661 retval = OK;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002662#ifdef FEAT_AUTOCMD
Bram Moolenaard35f9712005-12-18 22:02:33 +00002663 else if (trigger_cursorhold())
Bram Moolenaar071d4272004-06-13 20:20:40 +00002664 {
Bram Moolenaar3918c952005-03-15 22:34:55 +00002665 char_u buf[3];
2666
2667 /* Put K_CURSORHOLD in the input buffer. */
2668 buf[0] = CSI;
2669 buf[1] = KS_EXTRA;
2670 buf[2] = (int)KE_CURSORHOLD;
2671 add_to_input_buf(buf, 3);
2672
2673 retval = OK;
2674 }
2675#endif
2676
2677 if (retval == FAIL)
2678 {
2679 /* Blocking wait. */
Bram Moolenaar702517d2005-06-27 22:34:07 +00002680 before_blocking();
Bram Moolenaar071d4272004-06-13 20:20:40 +00002681 retval = gui_mch_wait_for_chars(-1L);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002682 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00002683
2684 gui_mch_stop_blink();
2685 return retval;
2686}
2687
2688/*
2689 * Fill buffer with mouse coordinates encoded for check_termcode().
2690 */
2691 static void
2692fill_mouse_coord(p, col, row)
2693 char_u *p;
2694 int col;
2695 int row;
2696{
2697 p[0] = (char_u)(col / 128 + ' ' + 1);
2698 p[1] = (char_u)(col % 128 + ' ' + 1);
2699 p[2] = (char_u)(row / 128 + ' ' + 1);
2700 p[3] = (char_u)(row % 128 + ' ' + 1);
2701}
2702
2703/*
2704 * Generic mouse support function. Add a mouse event to the input buffer with
2705 * the given properties.
2706 * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT,
2707 * MOUSE_X1, MOUSE_X2
2708 * MOUSE_DRAG, or MOUSE_RELEASE.
2709 * MOUSE_4 and MOUSE_5 are used for a scroll wheel.
2710 * x, y --- Coordinates of mouse in pixels.
2711 * repeated_click --- TRUE if this click comes only a short time after a
2712 * previous click.
2713 * modifiers --- Bit field which may be any of the following modifiers
2714 * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT.
2715 * This function will ignore drag events where the mouse has not moved to a new
2716 * character.
2717 */
2718 void
2719gui_send_mouse_event(button, x, y, repeated_click, modifiers)
2720 int button;
2721 int x;
2722 int y;
2723 int repeated_click;
2724 int_u modifiers;
2725{
2726 static int prev_row = 0, prev_col = 0;
2727 static int prev_button = -1;
2728 static int num_clicks = 1;
2729 char_u string[10];
2730 enum key_extra button_char;
2731 int row, col;
2732#ifdef FEAT_CLIPBOARD
2733 int checkfor;
2734 int did_clip = FALSE;
2735#endif
2736
2737 /*
2738 * Scrolling may happen at any time, also while a selection is present.
2739 */
2740 switch (button)
2741 {
2742 case MOUSE_X1:
2743 button_char = KE_X1MOUSE;
2744 goto button_set;
2745 case MOUSE_X2:
2746 button_char = KE_X2MOUSE;
2747 goto button_set;
2748 case MOUSE_4:
2749 button_char = KE_MOUSEDOWN;
2750 goto button_set;
2751 case MOUSE_5:
2752 button_char = KE_MOUSEUP;
2753button_set:
2754 {
2755 /* Don't put events in the input queue now. */
2756 if (hold_gui_events)
2757 return;
2758
2759 string[3] = CSI;
2760 string[4] = KS_EXTRA;
2761 string[5] = (int)button_char;
2762
2763 /* Pass the pointer coordinates of the scroll event so that we
2764 * know which window to scroll. */
2765 row = gui_xy2colrow(x, y, &col);
2766 string[6] = (char_u)(col / 128 + ' ' + 1);
2767 string[7] = (char_u)(col % 128 + ' ' + 1);
2768 string[8] = (char_u)(row / 128 + ' ' + 1);
2769 string[9] = (char_u)(row % 128 + ' ' + 1);
2770
2771 if (modifiers == 0)
2772 add_to_input_buf(string + 3, 7);
2773 else
2774 {
2775 string[0] = CSI;
2776 string[1] = KS_MODIFIER;
2777 string[2] = 0;
2778 if (modifiers & MOUSE_SHIFT)
2779 string[2] |= MOD_MASK_SHIFT;
2780 if (modifiers & MOUSE_CTRL)
2781 string[2] |= MOD_MASK_CTRL;
2782 if (modifiers & MOUSE_ALT)
2783 string[2] |= MOD_MASK_ALT;
2784 add_to_input_buf(string, 10);
2785 }
2786 return;
2787 }
2788 }
2789
2790#ifdef FEAT_CLIPBOARD
2791 /* If a clipboard selection is in progress, handle it */
2792 if (clip_star.state == SELECT_IN_PROGRESS)
2793 {
2794 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click);
2795 return;
2796 }
2797
2798 /* Determine which mouse settings to look for based on the current mode */
2799 switch (get_real_state())
2800 {
2801 case NORMAL_BUSY:
2802 case OP_PENDING:
2803 case NORMAL: checkfor = MOUSE_NORMAL; break;
2804 case VISUAL: checkfor = MOUSE_VISUAL; break;
2805 case REPLACE:
2806 case REPLACE+LANGMAP:
2807#ifdef FEAT_VREPLACE
2808 case VREPLACE:
2809 case VREPLACE+LANGMAP:
2810#endif
2811 case INSERT:
2812 case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break;
2813 case ASKMORE:
2814 case HITRETURN: /* At the more- and hit-enter prompt pass the
2815 mouse event for a click on or below the
2816 message line. */
2817 if (Y_2_ROW(y) >= msg_row)
2818 checkfor = MOUSE_NORMAL;
2819 else
2820 checkfor = MOUSE_RETURN;
2821 break;
2822
2823 /*
2824 * On the command line, use the clipboard selection on all lines
2825 * but the command line. But not when pasting.
2826 */
2827 case CMDLINE:
2828 case CMDLINE+LANGMAP:
2829 if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE)
2830 checkfor = MOUSE_NONE;
2831 else
2832 checkfor = MOUSE_COMMAND;
2833 break;
2834
2835 default:
2836 checkfor = MOUSE_NONE;
2837 break;
2838 };
2839
2840 /*
2841 * Allow clipboard selection of text on the command line in "normal"
2842 * modes. Don't do this when dragging the status line, or extending a
2843 * Visual selection.
2844 */
2845 if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT))
2846 && Y_2_ROW(y) >= topframe->fr_height
2847 && button != MOUSE_DRAG
2848# ifdef FEAT_MOUSESHAPE
2849 && !drag_status_line
2850# ifdef FEAT_VERTSPLIT
2851 && !drag_sep_line
2852# endif
2853# endif
2854 )
2855 checkfor = MOUSE_NONE;
2856
2857 /*
2858 * Use modeless selection when holding CTRL and SHIFT pressed.
2859 */
2860 if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT))
2861 checkfor = MOUSE_NONEF;
2862
2863 /*
2864 * In Ex mode, always use modeless selection.
2865 */
2866 if (exmode_active)
2867 checkfor = MOUSE_NONE;
2868
2869 /*
2870 * If the mouse settings say to not use the mouse, use the modeless
2871 * selection. But if Visual is active, assume that only the Visual area
2872 * will be selected.
2873 * Exception: On the command line, both the selection is used and a mouse
2874 * key is send.
2875 */
2876 if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND)
2877 {
2878#ifdef FEAT_VISUAL
2879 /* Don't do modeless selection in Visual mode. */
2880 if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL))
2881 return;
2882#endif
2883
2884 /*
2885 * When 'mousemodel' is "popup", shift-left is translated to right.
2886 * But not when also using Ctrl.
2887 */
2888 if (mouse_model_popup() && button == MOUSE_LEFT
2889 && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL))
2890 {
2891 button = MOUSE_RIGHT;
2892 modifiers &= ~ MOUSE_SHIFT;
2893 }
2894
2895 /* If the selection is done, allow the right button to extend it.
2896 * If the selection is cleared, allow the right button to start it
2897 * from the cursor position. */
2898 if (button == MOUSE_RIGHT)
2899 {
2900 if (clip_star.state == SELECT_CLEARED)
2901 {
2902 if (State & CMDLINE)
2903 {
2904 col = msg_col;
2905 row = msg_row;
2906 }
2907 else
2908 {
2909 col = curwin->w_wcol;
2910 row = curwin->w_wrow + W_WINROW(curwin);
2911 }
2912 clip_start_selection(col, row, FALSE);
2913 }
2914 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y),
2915 repeated_click);
2916 did_clip = TRUE;
2917 }
2918 /* Allow the left button to start the selection */
2919 else if (button ==
2920# ifdef RISCOS
2921 /* Only start a drag on a drag event. Otherwise
2922 * we don't get a release event. */
2923 MOUSE_DRAG
2924# else
2925 MOUSE_LEFT
2926# endif
2927 )
2928 {
2929 clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click);
2930 did_clip = TRUE;
2931 }
2932# ifdef RISCOS
2933 else if (button == MOUSE_LEFT)
2934 {
2935 clip_clear_selection();
2936 did_clip = TRUE;
2937 }
2938# endif
2939
2940 /* Always allow pasting */
2941 if (button != MOUSE_MIDDLE)
2942 {
2943 if (!mouse_has(checkfor) || button == MOUSE_RELEASE)
2944 return;
2945 if (checkfor != MOUSE_COMMAND)
2946 button = MOUSE_LEFT;
2947 }
2948 repeated_click = FALSE;
2949 }
2950
2951 if (clip_star.state != SELECT_CLEARED && !did_clip)
2952 clip_clear_selection();
2953#endif
2954
2955 /* Don't put events in the input queue now. */
2956 if (hold_gui_events)
2957 return;
2958
2959 row = gui_xy2colrow(x, y, &col);
2960
2961 /*
2962 * If we are dragging and the mouse hasn't moved far enough to be on a
2963 * different character, then don't send an event to vim.
2964 */
2965 if (button == MOUSE_DRAG)
2966 {
2967 if (row == prev_row && col == prev_col)
2968 return;
2969 /* Dragging above the window, set "row" to -1 to cause a scroll. */
2970 if (y < 0)
2971 row = -1;
2972 }
2973
2974 /*
2975 * If topline has changed (window scrolled) since the last click, reset
2976 * repeated_click, because we don't want starting Visual mode when
2977 * clicking on a different character in the text.
2978 */
2979 if (curwin->w_topline != gui_prev_topline
2980#ifdef FEAT_DIFF
2981 || curwin->w_topfill != gui_prev_topfill
2982#endif
2983 )
2984 repeated_click = FALSE;
2985
2986 string[0] = CSI; /* this sequence is recognized by check_termcode() */
2987 string[1] = KS_MOUSE;
2988 string[2] = KE_FILLER;
2989 if (button != MOUSE_DRAG && button != MOUSE_RELEASE)
2990 {
2991 if (repeated_click)
2992 {
2993 /*
2994 * Handle multiple clicks. They only count if the mouse is still
2995 * pointing at the same character.
2996 */
2997 if (button != prev_button || row != prev_row || col != prev_col)
2998 num_clicks = 1;
2999 else if (++num_clicks > 4)
3000 num_clicks = 1;
3001 }
3002 else
3003 num_clicks = 1;
3004 prev_button = button;
3005 gui_prev_topline = curwin->w_topline;
3006#ifdef FEAT_DIFF
3007 gui_prev_topfill = curwin->w_topfill;
3008#endif
3009
3010 string[3] = (char_u)(button | 0x20);
3011 SET_NUM_MOUSE_CLICKS(string[3], num_clicks);
3012 }
3013 else
3014 string[3] = (char_u)button;
3015
3016 string[3] |= modifiers;
3017 fill_mouse_coord(string + 4, col, row);
3018 add_to_input_buf(string, 8);
3019
3020 if (row < 0)
3021 prev_row = 0;
3022 else
3023 prev_row = row;
3024 prev_col = col;
3025
3026 /*
3027 * We need to make sure this is cleared since Athena doesn't tell us when
3028 * he is done dragging. Neither does GTK+ 2 -- at least for now.
3029 */
3030#if defined(FEAT_GUI_ATHENA) || defined(HAVE_GTK2)
3031 gui.dragged_sb = SBAR_NONE;
3032#endif
3033}
3034
3035/*
3036 * Convert x and y coordinate to column and row in text window.
3037 * Corrects for multi-byte character.
3038 * returns column in "*colp" and row as return value;
3039 */
3040 int
3041gui_xy2colrow(x, y, colp)
3042 int x;
3043 int y;
3044 int *colp;
3045{
3046 int col = check_col(X_2_COL(x));
3047 int row = check_row(Y_2_ROW(y));
3048
3049#ifdef FEAT_MBYTE
3050 *colp = mb_fix_col(col, row);
3051#else
3052 *colp = col;
3053#endif
3054 return row;
3055}
3056
3057#if defined(FEAT_MENU) || defined(PROTO)
3058/*
3059 * Callback function for when a menu entry has been selected.
3060 */
3061 void
3062gui_menu_cb(menu)
3063 vimmenu_T *menu;
3064{
Bram Moolenaar110bc6b2006-02-10 23:13:40 +00003065 char_u bytes[sizeof(long_u)];
Bram Moolenaar071d4272004-06-13 20:20:40 +00003066
3067 /* Don't put events in the input queue now. */
3068 if (hold_gui_events)
3069 return;
3070
3071 bytes[0] = CSI;
3072 bytes[1] = KS_MENU;
3073 bytes[2] = KE_FILLER;
Bram Moolenaar110bc6b2006-02-10 23:13:40 +00003074 add_to_input_buf(bytes, 3);
3075 add_long_to_buf((long_u)menu, bytes);
3076 add_to_input_buf_csi(bytes, sizeof(long_u));
Bram Moolenaar071d4272004-06-13 20:20:40 +00003077}
3078#endif
3079
Bram Moolenaare45828b2006-02-15 22:12:56 +00003080static int prev_which_scrollbars[3] = {-1, -1, -1};
3081
Bram Moolenaar071d4272004-06-13 20:20:40 +00003082/*
3083 * Set which components are present.
3084 * If "oldval" is not NULL, "oldval" is the previous value, the new * value is
3085 * in p_go.
3086 */
3087/*ARGSUSED*/
3088 void
3089gui_init_which_components(oldval)
3090 char_u *oldval;
3091{
Bram Moolenaar071d4272004-06-13 20:20:40 +00003092#ifdef FEAT_MENU
3093 static int prev_menu_is_active = -1;
3094#endif
3095#ifdef FEAT_TOOLBAR
3096 static int prev_toolbar = -1;
3097 int using_toolbar = FALSE;
3098#endif
3099#ifdef FEAT_FOOTER
3100 static int prev_footer = -1;
3101 int using_footer = FALSE;
3102#endif
3103#if defined(FEAT_MENU) && !defined(WIN16)
3104 static int prev_tearoff = -1;
3105 int using_tearoff = FALSE;
3106#endif
3107
3108 char_u *p;
3109 int i;
3110#ifdef FEAT_MENU
3111 int grey_old, grey_new;
3112 char_u *temp;
3113#endif
3114 win_T *wp;
3115 int need_set_size;
3116 int fix_size;
3117
3118#ifdef FEAT_MENU
3119 if (oldval != NULL && gui.in_use)
3120 {
3121 /*
3122 * Check if the menu's go from grey to non-grey or vise versa.
3123 */
3124 grey_old = (vim_strchr(oldval, GO_GREY) != NULL);
3125 grey_new = (vim_strchr(p_go, GO_GREY) != NULL);
3126 if (grey_old != grey_new)
3127 {
3128 temp = p_go;
3129 p_go = oldval;
3130 gui_update_menus(MENU_ALL_MODES);
3131 p_go = temp;
3132 }
3133 }
3134 gui.menu_is_active = FALSE;
3135#endif
3136
3137 for (i = 0; i < 3; i++)
3138 gui.which_scrollbars[i] = FALSE;
3139 for (p = p_go; *p; p++)
3140 switch (*p)
3141 {
3142 case GO_LEFT:
3143 gui.which_scrollbars[SBAR_LEFT] = TRUE;
3144 break;
3145 case GO_RIGHT:
3146 gui.which_scrollbars[SBAR_RIGHT] = TRUE;
3147 break;
3148#ifdef FEAT_VERTSPLIT
3149 case GO_VLEFT:
3150 if (win_hasvertsplit())
3151 gui.which_scrollbars[SBAR_LEFT] = TRUE;
3152 break;
3153 case GO_VRIGHT:
3154 if (win_hasvertsplit())
3155 gui.which_scrollbars[SBAR_RIGHT] = TRUE;
3156 break;
3157#endif
3158 case GO_BOT:
3159 gui.which_scrollbars[SBAR_BOTTOM] = TRUE;
3160 break;
3161#ifdef FEAT_MENU
3162 case GO_MENUS:
3163 gui.menu_is_active = TRUE;
3164 break;
3165#endif
3166 case GO_GREY:
3167 /* make menu's have grey items, ignored here */
3168 break;
3169#ifdef FEAT_TOOLBAR
3170 case GO_TOOLBAR:
3171 using_toolbar = TRUE;
3172 break;
3173#endif
3174#ifdef FEAT_FOOTER
3175 case GO_FOOTER:
3176 using_footer = TRUE;
3177 break;
3178#endif
3179 case GO_TEAROFF:
3180#if defined(FEAT_MENU) && !defined(WIN16)
3181 using_tearoff = TRUE;
3182#endif
3183 break;
3184 default:
3185 /* Ignore options that are not supported */
3186 break;
3187 }
3188 if (gui.in_use)
3189 {
3190 need_set_size = FALSE;
3191 fix_size = FALSE;
3192 for (i = 0; i < 3; i++)
3193 {
3194 if (gui.which_scrollbars[i] != prev_which_scrollbars[i])
3195 {
3196 if (i == SBAR_BOTTOM)
3197 gui_mch_enable_scrollbar(&gui.bottom_sbar,
3198 gui.which_scrollbars[i]);
3199 else
3200 {
3201 FOR_ALL_WINDOWS(wp)
3202 {
3203 gui_do_scrollbar(wp, i, gui.which_scrollbars[i]);
3204 }
3205 }
3206 need_set_size = TRUE;
3207 if (gui.which_scrollbars[i])
3208 fix_size = TRUE;
3209 }
3210 prev_which_scrollbars[i] = gui.which_scrollbars[i];
3211 }
3212
3213#ifdef FEAT_MENU
3214 if (gui.menu_is_active != prev_menu_is_active)
3215 {
3216 /* We don't want a resize event change "Rows" here, save and
3217 * restore it. Resizing is handled below. */
3218 i = Rows;
3219 gui_mch_enable_menu(gui.menu_is_active);
3220 Rows = i;
3221 prev_menu_is_active = gui.menu_is_active;
3222 need_set_size = TRUE;
3223 if (gui.menu_is_active)
3224 fix_size = TRUE;
3225 }
3226#endif
3227
3228#ifdef FEAT_TOOLBAR
3229 if (using_toolbar != prev_toolbar)
3230 {
3231 gui_mch_show_toolbar(using_toolbar);
3232 prev_toolbar = using_toolbar;
3233 need_set_size = TRUE;
3234 if (using_toolbar)
3235 fix_size = TRUE;
3236 }
3237#endif
3238#ifdef FEAT_FOOTER
3239 if (using_footer != prev_footer)
3240 {
3241 gui_mch_enable_footer(using_footer);
3242 prev_footer = using_footer;
3243 need_set_size = TRUE;
3244 if (using_footer)
3245 fix_size = TRUE;
3246 }
3247#endif
3248#if defined(FEAT_MENU) && !defined(WIN16) && !(defined(WIN3264) && !defined(FEAT_TEAROFF))
3249 if (using_tearoff != prev_tearoff)
3250 {
3251 gui_mch_toggle_tearoffs(using_tearoff);
3252 prev_tearoff = using_tearoff;
3253 }
3254#endif
3255 if (need_set_size)
Bram Moolenaarc1087e62005-05-20 21:22:17 +00003256 {
3257#ifdef FEAT_GUI_GTK
3258 long r = Rows;
3259 long c = Columns;
3260#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00003261 /* Adjust the size of the window to make the text area keep the
3262 * same size and to avoid that part of our window is off-screen
3263 * and a scrollbar can't be used, for example. */
3264 gui_set_shellsize(FALSE, fix_size);
Bram Moolenaarc1087e62005-05-20 21:22:17 +00003265
3266#ifdef FEAT_GUI_GTK
3267 /* GTK has the annoying habit of sending us resize events when
3268 * changing the window size ourselves. This mostly happens when
3269 * waiting for a character to arrive, quite unpredictably, and may
3270 * change Columns and Rows when we don't want it. Wait for a
3271 * character here to avoid this effect.
3272 * If you remove this, please test this command for resizing
Bram Moolenaara04f10b2005-05-31 22:09:46 +00003273 * effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q".
3274 * Don't do this while starting up though. */
Bram Moolenaar01a7b9d2005-05-27 20:16:24 +00003275 if (!gui.starting)
3276 (void)char_avail();
Bram Moolenaarc1087e62005-05-20 21:22:17 +00003277 Rows = r;
3278 Columns = c;
3279#endif
3280 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00003281 }
3282}
3283
3284
3285/*
3286 * Scrollbar stuff:
3287 */
3288
Bram Moolenaare45828b2006-02-15 22:12:56 +00003289#if defined(FEAT_WINDOWS) || defined(PROTO)
3290/*
3291 * Remove all scrollbars. Used before switching to another tab page.
3292 */
3293 void
3294gui_remove_scrollbars()
3295{
3296 int i;
3297 win_T *wp;
3298
3299 for (i = 0; i < 3; i++)
3300 {
3301 if (i == SBAR_BOTTOM)
3302 gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE);
3303 else
3304 {
3305 FOR_ALL_WINDOWS(wp)
3306 {
3307 gui_do_scrollbar(wp, i, FALSE);
3308 }
3309 }
3310 prev_which_scrollbars[i] = -1;
3311 }
3312}
3313#endif
3314
Bram Moolenaar071d4272004-06-13 20:20:40 +00003315 void
3316gui_create_scrollbar(sb, type, wp)
3317 scrollbar_T *sb;
3318 int type;
3319 win_T *wp;
3320{
3321 static int sbar_ident = 0;
3322
3323 sb->ident = sbar_ident++; /* No check for too big, but would it happen? */
3324 sb->wp = wp;
3325 sb->type = type;
3326 sb->value = 0;
3327#ifdef FEAT_GUI_ATHENA
3328 sb->pixval = 0;
3329#endif
3330 sb->size = 1;
3331 sb->max = 1;
3332 sb->top = 0;
3333 sb->height = 0;
3334#ifdef FEAT_VERTSPLIT
3335 sb->width = 0;
3336#endif
3337 sb->status_height = 0;
3338 gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT);
3339}
3340
3341/*
3342 * Find the scrollbar with the given index.
3343 */
3344 scrollbar_T *
3345gui_find_scrollbar(ident)
3346 long ident;
3347{
3348 win_T *wp;
3349
3350 if (gui.bottom_sbar.ident == ident)
3351 return &gui.bottom_sbar;
3352 FOR_ALL_WINDOWS(wp)
3353 {
3354 if (wp->w_scrollbars[SBAR_LEFT].ident == ident)
3355 return &wp->w_scrollbars[SBAR_LEFT];
3356 if (wp->w_scrollbars[SBAR_RIGHT].ident == ident)
3357 return &wp->w_scrollbars[SBAR_RIGHT];
3358 }
3359 return NULL;
3360}
3361
3362/*
3363 * For most systems: Put a code in the input buffer for a dragged scrollbar.
3364 *
3365 * For Win32, Macintosh and GTK+ 2:
3366 * Scrollbars seem to grab focus and vim doesn't read the input queue until
3367 * you stop dragging the scrollbar. We get here each time the scrollbar is
3368 * dragged another pixel, but as far as the rest of vim goes, it thinks
3369 * we're just hanging in the call to DispatchMessage() in
3370 * process_message(). The DispatchMessage() call that hangs was passed a
3371 * mouse button click event in the scrollbar window. -- webb.
3372 *
3373 * Solution: Do the scrolling right here. But only when allowed.
3374 * Ignore the scrollbars while executing an external command or when there
3375 * are still characters to be processed.
3376 */
3377 void
3378gui_drag_scrollbar(sb, value, still_dragging)
3379 scrollbar_T *sb;
3380 long value;
3381 int still_dragging;
3382{
3383#ifdef FEAT_WINDOWS
3384 win_T *wp;
3385#endif
3386 int sb_num;
3387#ifdef USE_ON_FLY_SCROLL
3388 colnr_T old_leftcol = curwin->w_leftcol;
3389# ifdef FEAT_SCROLLBIND
3390 linenr_T old_topline = curwin->w_topline;
3391# endif
3392# ifdef FEAT_DIFF
3393 int old_topfill = curwin->w_topfill;
3394# endif
3395#else
Bram Moolenaar110bc6b2006-02-10 23:13:40 +00003396 char_u bytes[sizeof(long_u)];
Bram Moolenaar071d4272004-06-13 20:20:40 +00003397 int byte_count;
3398#endif
3399
3400 if (sb == NULL)
3401 return;
3402
3403 /* Don't put events in the input queue now. */
3404 if (hold_gui_events)
3405 return;
3406
3407#ifdef FEAT_CMDWIN
3408 if (cmdwin_type != 0 && sb->wp != curwin)
3409 return;
3410#endif
3411
3412 if (still_dragging)
3413 {
3414 if (sb->wp == NULL)
3415 gui.dragged_sb = SBAR_BOTTOM;
3416 else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT])
3417 gui.dragged_sb = SBAR_LEFT;
3418 else
3419 gui.dragged_sb = SBAR_RIGHT;
3420 gui.dragged_wp = sb->wp;
3421 }
3422 else
3423 {
3424 gui.dragged_sb = SBAR_NONE;
3425#ifdef HAVE_GTK2
3426 /* Keep the "dragged_wp" value until after the scrolling, for when the
3427 * moust button is released. GTK2 doesn't send the button-up event. */
3428 gui.dragged_wp = NULL;
3429#endif
3430 }
3431
3432 /* Vertical sbar info is kept in the first sbar (the left one) */
3433 if (sb->wp != NULL)
3434 sb = &sb->wp->w_scrollbars[0];
3435
3436 /*
3437 * Check validity of value
3438 */
3439 if (value < 0)
3440 value = 0;
3441#ifdef SCROLL_PAST_END
3442 else if (value > sb->max)
3443 value = sb->max;
3444#else
3445 if (value > sb->max - sb->size + 1)
3446 value = sb->max - sb->size + 1;
3447#endif
3448
3449 sb->value = value;
3450
3451#ifdef USE_ON_FLY_SCROLL
3452 /* When not allowed to do the scrolling right now, return. */
3453 if (dont_scroll || input_available())
3454 return;
3455#endif
3456
3457#ifdef FEAT_RIGHTLEFT
3458 if (sb->wp == NULL && curwin->w_p_rl)
3459 {
3460 value = sb->max + 1 - sb->size - value;
3461 if (value < 0)
3462 value = 0;
3463 }
3464#endif
3465
3466 if (sb->wp != NULL) /* vertical scrollbar */
3467 {
3468 sb_num = 0;
3469#ifdef FEAT_WINDOWS
3470 for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next)
3471 sb_num++;
3472 if (wp == NULL)
3473 return;
3474#else
3475 if (sb->wp != curwin)
3476 return;
3477#endif
3478
3479#ifdef USE_ON_FLY_SCROLL
3480 current_scrollbar = sb_num;
3481 scrollbar_value = value;
3482 if (State & NORMAL)
3483 {
3484 gui_do_scroll();
3485 setcursor();
3486 }
3487 else if (State & INSERT)
3488 {
3489 ins_scroll();
3490 setcursor();
3491 }
3492 else if (State & CMDLINE)
3493 {
3494 if (msg_scrolled == 0)
3495 {
3496 gui_do_scroll();
3497 redrawcmdline();
3498 }
3499 }
3500# ifdef FEAT_FOLDING
3501 /* Value may have been changed for closed fold. */
3502 sb->value = sb->wp->w_topline - 1;
3503# endif
3504#else
3505 bytes[0] = CSI;
3506 bytes[1] = KS_VER_SCROLLBAR;
3507 bytes[2] = KE_FILLER;
3508 bytes[3] = (char_u)sb_num;
3509 byte_count = 4;
3510#endif
3511 }
3512 else
3513 {
3514#ifdef USE_ON_FLY_SCROLL
3515 scrollbar_value = value;
3516
3517 if (State & NORMAL)
3518 gui_do_horiz_scroll();
3519 else if (State & INSERT)
3520 ins_horscroll();
3521 else if (State & CMDLINE)
3522 {
Bram Moolenaar1c7715d2005-10-03 22:02:18 +00003523 if (msg_scrolled == 0)
Bram Moolenaar071d4272004-06-13 20:20:40 +00003524 {
3525 gui_do_horiz_scroll();
3526 redrawcmdline();
3527 }
3528 }
3529 if (old_leftcol != curwin->w_leftcol)
3530 {
3531 updateWindow(curwin); /* update window, status and cmdline */
3532 setcursor();
3533 }
3534#else
3535 bytes[0] = CSI;
3536 bytes[1] = KS_HOR_SCROLLBAR;
3537 bytes[2] = KE_FILLER;
3538 byte_count = 3;
3539#endif
3540 }
3541
3542#ifdef USE_ON_FLY_SCROLL
3543# ifdef FEAT_SCROLLBIND
3544 /*
3545 * synchronize other windows, as necessary according to 'scrollbind'
3546 */
3547 if (curwin->w_p_scb
3548 && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol)
3549 || (sb->wp == curwin && (curwin->w_topline != old_topline
3550# ifdef FEAT_DIFF
3551 || curwin->w_topfill != old_topfill
3552# endif
3553 ))))
3554 {
3555 do_check_scrollbind(TRUE);
3556 /* need to update the window right here */
3557 for (wp = firstwin; wp != NULL; wp = wp->w_next)
3558 if (wp->w_redr_type > 0)
3559 updateWindow(wp);
3560 setcursor();
3561 }
3562# endif
3563 out_flush();
3564 gui_update_cursor(FALSE, TRUE);
3565#else
Bram Moolenaar110bc6b2006-02-10 23:13:40 +00003566 add_to_input_buf(bytes, byte_count);
3567 add_long_to_buf((long_u)value, bytes);
3568 add_to_input_buf_csi(bytes, sizeof(long_u));
Bram Moolenaar071d4272004-06-13 20:20:40 +00003569#endif
3570}
3571
3572/*
3573 * Scrollbar stuff:
3574 */
3575
3576 void
3577gui_update_scrollbars(force)
3578 int force; /* Force all scrollbars to get updated */
3579{
3580 win_T *wp;
3581 scrollbar_T *sb;
3582 long val, size, max; /* need 32 bits here */
3583 int which_sb;
3584 int h, y;
3585#ifdef FEAT_VERTSPLIT
3586 static win_T *prev_curwin = NULL;
3587#endif
3588
3589 /* Update the horizontal scrollbar */
3590 gui_update_horiz_scrollbar(force);
3591
3592#ifndef WIN3264
3593 /* Return straight away if there is neither a left nor right scrollbar.
3594 * On MS-Windows this is required anyway for scrollwheel messages. */
3595 if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT])
3596 return;
3597#endif
3598
3599 /*
3600 * Don't want to update a scrollbar while we're dragging it. But if we
3601 * have both a left and right scrollbar, and we drag one of them, we still
3602 * need to update the other one.
3603 */
Bram Moolenaar7e8fd632006-02-18 22:14:51 +00003604 if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT)
3605 && gui.which_scrollbars[SBAR_LEFT]
3606 && gui.which_scrollbars[SBAR_RIGHT])
Bram Moolenaar071d4272004-06-13 20:20:40 +00003607 {
3608 /*
3609 * If we have two scrollbars and one of them is being dragged, just
3610 * copy the scrollbar position from the dragged one to the other one.
3611 */
3612 which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb;
3613 if (gui.dragged_wp != NULL)
3614 gui_mch_set_scrollbar_thumb(
3615 &gui.dragged_wp->w_scrollbars[which_sb],
3616 gui.dragged_wp->w_scrollbars[0].value,
3617 gui.dragged_wp->w_scrollbars[0].size,
3618 gui.dragged_wp->w_scrollbars[0].max);
Bram Moolenaar071d4272004-06-13 20:20:40 +00003619 }
3620
3621 /* avoid that moving components around generates events */
3622 ++hold_gui_events;
3623
3624 for (wp = firstwin; wp != NULL; wp = W_NEXT(wp))
3625 {
3626 if (wp->w_buffer == NULL) /* just in case */
3627 continue;
Bram Moolenaar7e8fd632006-02-18 22:14:51 +00003628 /* Skip a scrollbar that is being dragged. */
3629 if (!force && (gui.dragged_sb == SBAR_LEFT
3630 || gui.dragged_sb == SBAR_RIGHT)
3631 && gui.dragged_wp == wp)
3632 continue;
3633
Bram Moolenaar071d4272004-06-13 20:20:40 +00003634#ifdef SCROLL_PAST_END
3635 max = wp->w_buffer->b_ml.ml_line_count - 1;
3636#else
3637 max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2;
3638#endif
3639 if (max < 0) /* empty buffer */
3640 max = 0;
3641 val = wp->w_topline - 1;
3642 size = wp->w_height;
3643#ifdef SCROLL_PAST_END
3644 if (val > max) /* just in case */
3645 val = max;
3646#else
3647 if (size > max + 1) /* just in case */
3648 size = max + 1;
3649 if (val > max - size + 1)
3650 val = max - size + 1;
3651#endif
3652 if (val < 0) /* minimal value is 0 */
3653 val = 0;
3654
3655 /*
3656 * Scrollbar at index 0 (the left one) contains all the information.
3657 * It would be the same info for left and right so we just store it for
3658 * one of them.
3659 */
3660 sb = &wp->w_scrollbars[0];
3661
3662 /*
3663 * Note: no check for valid w_botline. If it's not valid the
3664 * scrollbars will be updated later anyway.
3665 */
3666 if (size < 1 || wp->w_botline - 2 > max)
3667 {
3668 /*
3669 * This can happen during changing files. Just don't update the
3670 * scrollbar for now.
3671 */
3672 sb->height = 0; /* Force update next time */
3673 if (gui.which_scrollbars[SBAR_LEFT])
3674 gui_do_scrollbar(wp, SBAR_LEFT, FALSE);
3675 if (gui.which_scrollbars[SBAR_RIGHT])
3676 gui_do_scrollbar(wp, SBAR_RIGHT, FALSE);
3677 continue;
3678 }
3679 if (force || sb->height != wp->w_height
3680#ifdef FEAT_WINDOWS
3681 || sb->top != wp->w_winrow
3682 || sb->status_height != wp->w_status_height
3683# ifdef FEAT_VERTSPLIT
3684 || sb->width != wp->w_width
3685 || prev_curwin != curwin
3686# endif
3687#endif
3688 )
3689 {
3690 /* Height, width or position of scrollbar has changed. For
3691 * vertical split: curwin changed. */
3692 sb->height = wp->w_height;
3693#ifdef FEAT_WINDOWS
3694 sb->top = wp->w_winrow;
3695 sb->status_height = wp->w_status_height;
3696# ifdef FEAT_VERTSPLIT
3697 sb->width = wp->w_width;
3698# endif
3699#endif
3700
3701 /* Calculate height and position in pixels */
3702 h = (sb->height + sb->status_height) * gui.char_height;
3703 y = sb->top * gui.char_height + gui.border_offset;
3704#if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON)
3705 if (gui.menu_is_active)
3706 y += gui.menu_height;
3707#endif
3708
3709#if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA))
3710 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
3711# ifdef FEAT_GUI_ATHENA
3712 y += gui.toolbar_height;
3713# else
3714# ifdef FEAT_GUI_MSWIN
3715 y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
3716# endif
3717# endif
3718#endif
3719
3720#ifdef FEAT_WINDOWS
3721 if (wp->w_winrow == 0)
3722#endif
3723 {
3724 /* Height of top scrollbar includes width of top border */
3725 h += gui.border_offset;
3726 y -= gui.border_offset;
3727 }
3728 if (gui.which_scrollbars[SBAR_LEFT])
3729 {
3730 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT],
3731 gui.left_sbar_x, y,
3732 gui.scrollbar_width, h);
3733 gui_do_scrollbar(wp, SBAR_LEFT, TRUE);
3734 }
3735 if (gui.which_scrollbars[SBAR_RIGHT])
3736 {
3737 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT],
3738 gui.right_sbar_x, y,
3739 gui.scrollbar_width, h);
3740 gui_do_scrollbar(wp, SBAR_RIGHT, TRUE);
3741 }
3742 }
3743
3744 /* Reduce the number of calls to gui_mch_set_scrollbar_thumb() by
3745 * checking if the thumb moved at least a pixel. Only do this for
3746 * Athena, most other GUIs require the update anyway to make the
3747 * arrows work. */
3748#ifdef FEAT_GUI_ATHENA
3749 if (max == 0)
3750 y = 0;
3751 else
3752 y = (val * (sb->height + 2) * gui.char_height + max / 2) / max;
3753 if (force || sb->pixval != y || sb->size != size || sb->max != max)
3754#else
3755 if (force || sb->value != val || sb->size != size || sb->max != max)
3756#endif
3757 {
3758 /* Thumb of scrollbar has moved */
3759 sb->value = val;
3760#ifdef FEAT_GUI_ATHENA
3761 sb->pixval = y;
3762#endif
3763 sb->size = size;
3764 sb->max = max;
Bram Moolenaar7e8fd632006-02-18 22:14:51 +00003765 if (gui.which_scrollbars[SBAR_LEFT]
3766 && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp))
Bram Moolenaar071d4272004-06-13 20:20:40 +00003767 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT],
3768 val, size, max);
3769 if (gui.which_scrollbars[SBAR_RIGHT]
Bram Moolenaar7e8fd632006-02-18 22:14:51 +00003770 && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp))
Bram Moolenaar071d4272004-06-13 20:20:40 +00003771 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT],
3772 val, size, max);
3773 }
3774 }
3775#ifdef FEAT_VERTSPLIT
3776 prev_curwin = curwin;
3777#endif
3778 --hold_gui_events;
3779}
3780
3781/*
3782 * Enable or disable a scrollbar.
3783 * Check for scrollbars for vertically split windows which are not enabled
3784 * sometimes.
3785 */
3786 static void
3787gui_do_scrollbar(wp, which, enable)
3788 win_T *wp;
3789 int which; /* SBAR_LEFT or SBAR_RIGHT */
3790 int enable; /* TRUE to enable scrollbar */
3791{
3792#ifdef FEAT_VERTSPLIT
3793 int midcol = curwin->w_wincol + curwin->w_width / 2;
3794 int has_midcol = (wp->w_wincol <= midcol
3795 && wp->w_wincol + wp->w_width >= midcol);
3796
3797 /* Only enable scrollbars that contain the middle column of the current
3798 * window. */
3799 if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT])
3800 {
3801 /* Scrollbars only on one side. Don't enable scrollbars that don't
3802 * contain the middle column of the current window. */
3803 if (!has_midcol)
3804 enable = FALSE;
3805 }
3806 else
3807 {
3808 /* Scrollbars on both sides. Don't enable scrollbars that neither
3809 * contain the middle column of the current window nor are on the far
3810 * side. */
3811 if (midcol > Columns / 2)
3812 {
3813 if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol)
3814 enable = FALSE;
3815 }
3816 else
3817 {
3818 if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns
3819 : !has_midcol)
3820 enable = FALSE;
3821 }
3822 }
3823#endif
3824 gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable);
3825}
3826
3827/*
3828 * Scroll a window according to the values set in the globals current_scrollbar
3829 * and scrollbar_value. Return TRUE if the cursor in the current window moved
3830 * or FALSE otherwise.
3831 */
3832 int
3833gui_do_scroll()
3834{
3835 win_T *wp, *save_wp;
3836 int i;
3837 long nlines;
3838 pos_T old_cursor;
3839 linenr_T old_topline;
3840#ifdef FEAT_DIFF
3841 int old_topfill;
3842#endif
3843
3844 for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++)
3845 if (wp == NULL)
3846 break;
3847 if (wp == NULL)
3848 /* Couldn't find window */
3849 return FALSE;
3850
3851 /*
3852 * Compute number of lines to scroll. If zero, nothing to do.
3853 */
3854 nlines = (long)scrollbar_value + 1 - (long)wp->w_topline;
3855 if (nlines == 0)
3856 return FALSE;
3857
3858 save_wp = curwin;
3859 old_topline = wp->w_topline;
3860#ifdef FEAT_DIFF
3861 old_topfill = wp->w_topfill;
3862#endif
3863 old_cursor = wp->w_cursor;
3864 curwin = wp;
3865 curbuf = wp->w_buffer;
3866 if (nlines < 0)
3867 scrolldown(-nlines, gui.dragged_wp == NULL);
3868 else
3869 scrollup(nlines, gui.dragged_wp == NULL);
3870 /* Reset dragged_wp after using it. "dragged_sb" will have been reset for
3871 * the mouse-up event already, but we still want it to behave like when
3872 * dragging. But not the next click in an arrow. */
3873 if (gui.dragged_sb == SBAR_NONE)
3874 gui.dragged_wp = NULL;
3875
3876 if (old_topline != wp->w_topline
3877#ifdef FEAT_DIFF
3878 || old_topfill != wp->w_topfill
3879#endif
3880 )
3881 {
3882 if (p_so != 0)
3883 {
3884 cursor_correct(); /* fix window for 'so' */
3885 update_topline(); /* avoid up/down jump */
3886 }
3887 if (old_cursor.lnum != wp->w_cursor.lnum)
3888 coladvance(wp->w_curswant);
3889#ifdef FEAT_SCROLLBIND
3890 wp->w_scbind_pos = wp->w_topline;
3891#endif
3892 }
3893
Bram Moolenaar578b49e2005-09-10 19:22:57 +00003894 /* Make sure wp->w_leftcol and wp->w_skipcol are correct. */
3895 validate_cursor();
3896
Bram Moolenaar071d4272004-06-13 20:20:40 +00003897 curwin = save_wp;
3898 curbuf = save_wp->w_buffer;
3899
3900 /*
3901 * Don't call updateWindow() when nothing has changed (it will overwrite
3902 * the status line!).
3903 */
3904 if (old_topline != wp->w_topline
Bram Moolenaar578b49e2005-09-10 19:22:57 +00003905 || wp->w_redr_type != 0
Bram Moolenaar071d4272004-06-13 20:20:40 +00003906#ifdef FEAT_DIFF
3907 || old_topfill != wp->w_topfill
3908#endif
3909 )
3910 {
3911 redraw_win_later(wp, VALID);
3912 updateWindow(wp); /* update window, status line, and cmdline */
3913 }
3914
3915 return (wp == curwin && !equalpos(curwin->w_cursor, old_cursor));
3916}
3917
3918
3919/*
3920 * Horizontal scrollbar stuff:
3921 */
3922
3923/*
3924 * Return length of line "lnum" for horizontal scrolling.
3925 */
3926 static colnr_T
3927scroll_line_len(lnum)
3928 linenr_T lnum;
3929{
3930 char_u *p;
3931 colnr_T col;
3932 int w;
3933
3934 p = ml_get(lnum);
3935 col = 0;
3936 if (*p != NUL)
3937 for (;;)
3938 {
3939 w = chartabsize(p, col);
Bram Moolenaar1cd871b2004-12-19 22:46:22 +00003940 mb_ptr_adv(p);
Bram Moolenaar071d4272004-06-13 20:20:40 +00003941 if (*p == NUL) /* don't count the last character */
3942 break;
3943 col += w;
3944 }
3945 return col;
3946}
3947
3948/* Remember which line is currently the longest, so that we don't have to
3949 * search for it when scrolling horizontally. */
3950static linenr_T longest_lnum = 0;
3951
3952 static void
3953gui_update_horiz_scrollbar(force)
3954 int force;
3955{
3956 long value, size, max; /* need 32 bit ints here */
3957
3958 if (!gui.which_scrollbars[SBAR_BOTTOM])
3959 return;
3960
3961 if (!force && gui.dragged_sb == SBAR_BOTTOM)
3962 return;
3963
3964 if (!force && curwin->w_p_wrap && gui.prev_wrap)
3965 return;
3966
3967 /*
3968 * It is possible for the cursor to be invalid if we're in the middle of
3969 * something (like changing files). If so, don't do anything for now.
3970 */
3971 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
3972 {
3973 gui.bottom_sbar.value = -1;
3974 return;
3975 }
3976
3977 size = W_WIDTH(curwin);
3978 if (curwin->w_p_wrap)
3979 {
3980 value = 0;
3981#ifdef SCROLL_PAST_END
3982 max = 0;
3983#else
3984 max = W_WIDTH(curwin) - 1;
3985#endif
3986 }
3987 else
3988 {
3989 value = curwin->w_leftcol;
3990
3991 /* Calculate maximum for horizontal scrollbar. Check for reasonable
3992 * line numbers, topline and botline can be invalid when displaying is
3993 * postponed. */
3994 if (vim_strchr(p_go, GO_HORSCROLL) == NULL
3995 && curwin->w_topline <= curwin->w_cursor.lnum
3996 && curwin->w_botline > curwin->w_cursor.lnum
3997 && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1)
3998 {
3999 linenr_T lnum;
4000 colnr_T n;
4001
4002 /* Use maximum of all visible lines. Remember the lnum of the
4003 * longest line, clostest to the cursor line. Used when scrolling
4004 * below. */
4005 max = 0;
4006 for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum)
4007 {
4008 n = scroll_line_len(lnum);
4009 if (n > (colnr_T)max)
4010 {
4011 max = n;
4012 longest_lnum = lnum;
4013 }
4014 else if (n == (colnr_T)max
4015 && abs((int)(lnum - curwin->w_cursor.lnum))
4016 < abs((int)(longest_lnum - curwin->w_cursor.lnum)))
4017 longest_lnum = lnum;
4018 }
4019 }
4020 else
4021 /* Use cursor line only. */
4022 max = scroll_line_len(curwin->w_cursor.lnum);
4023#ifdef FEAT_VIRTUALEDIT
4024 if (virtual_active())
4025 {
4026 /* May move the cursor even further to the right. */
4027 if (curwin->w_virtcol >= (colnr_T)max)
4028 max = curwin->w_virtcol;
4029 }
4030#endif
4031
4032#ifndef SCROLL_PAST_END
4033 max += W_WIDTH(curwin) - 1;
4034#endif
4035 /* The line number isn't scrolled, thus there is less space when
4036 * 'number' is set (also for 'foldcolumn'). */
4037 size -= curwin_col_off();
4038#ifndef SCROLL_PAST_END
4039 max -= curwin_col_off();
4040#endif
4041 }
4042
4043#ifndef SCROLL_PAST_END
4044 if (value > max - size + 1)
4045 value = max - size + 1; /* limit the value to allowable range */
4046#endif
4047
4048#ifdef FEAT_RIGHTLEFT
4049 if (curwin->w_p_rl)
4050 {
4051 value = max + 1 - size - value;
4052 if (value < 0)
4053 {
4054 size += value;
4055 value = 0;
4056 }
4057 }
4058#endif
4059 if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size
4060 && max == gui.bottom_sbar.max)
4061 return;
4062
4063 gui.bottom_sbar.value = value;
4064 gui.bottom_sbar.size = size;
4065 gui.bottom_sbar.max = max;
4066 gui.prev_wrap = curwin->w_p_wrap;
4067
4068 gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max);
4069}
4070
4071/*
4072 * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise.
4073 */
4074 int
4075gui_do_horiz_scroll()
4076{
4077 /* no wrapping, no scrolling */
4078 if (curwin->w_p_wrap)
4079 return FALSE;
4080
4081 if (curwin->w_leftcol == scrollbar_value)
4082 return FALSE;
4083
4084 curwin->w_leftcol = scrollbar_value;
4085
4086 /* When the line of the cursor is too short, move the cursor to the
4087 * longest visible line. Do a sanity check on "longest_lnum", just in
4088 * case. */
4089 if (vim_strchr(p_go, GO_HORSCROLL) == NULL
4090 && longest_lnum >= curwin->w_topline
4091 && longest_lnum < curwin->w_botline
4092 && !virtual_active())
4093 {
4094 if (scrollbar_value > scroll_line_len(curwin->w_cursor.lnum))
4095 {
4096 curwin->w_cursor.lnum = longest_lnum;
4097 curwin->w_cursor.col = 0;
4098 }
4099 }
4100
4101 return leftcol_changed();
4102}
4103
4104/*
4105 * Check that none of the colors are the same as the background color
4106 */
4107 void
4108gui_check_colors()
4109{
4110 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR)
4111 {
4112 gui_set_bg_color((char_u *)"White");
4113 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR)
4114 gui_set_fg_color((char_u *)"Black");
4115 }
4116}
4117
Bram Moolenaar3918c952005-03-15 22:34:55 +00004118 static void
Bram Moolenaar071d4272004-06-13 20:20:40 +00004119gui_set_fg_color(name)
4120 char_u *name;
4121{
4122 gui.norm_pixel = gui_get_color(name);
4123 hl_set_fg_color_name(vim_strsave(name));
4124}
4125
Bram Moolenaar3918c952005-03-15 22:34:55 +00004126 static void
Bram Moolenaar071d4272004-06-13 20:20:40 +00004127gui_set_bg_color(name)
4128 char_u *name;
4129{
4130 gui.back_pixel = gui_get_color(name);
4131 hl_set_bg_color_name(vim_strsave(name));
4132}
4133
4134/*
4135 * Allocate a color by name.
4136 * Returns INVALCOLOR and gives an error message when failed.
4137 */
4138 guicolor_T
4139gui_get_color(name)
4140 char_u *name;
4141{
4142 guicolor_T t;
4143
4144 if (*name == NUL)
4145 return INVALCOLOR;
4146 t = gui_mch_get_color(name);
Bram Moolenaar843ee412004-06-30 16:16:41 +00004147
Bram Moolenaar071d4272004-06-13 20:20:40 +00004148 if (t == INVALCOLOR
Bram Moolenaar9372a112005-12-06 19:59:18 +00004149#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004150 && gui.in_use
4151#endif
4152 )
4153 EMSG2(_("E254: Cannot allocate color %s"), name);
4154 return t;
4155}
4156
4157/*
4158 * Return the grey value of a color (range 0-255).
4159 */
4160 int
4161gui_get_lightness(pixel)
4162 guicolor_T pixel;
4163{
4164 long_u rgb = gui_mch_get_rgb(pixel);
4165
4166 return ( (((rgb >> 16) & 0xff) * 299)
4167 + (((rgb >> 8) & 0xff) * 587)
4168 + ((rgb & 0xff) * 114)) / 1000;
4169}
4170
4171#if defined(FEAT_GUI_X11) || defined(PROTO)
4172 void
4173gui_new_scrollbar_colors()
4174{
4175 win_T *wp;
4176
4177 /* Nothing to do if GUI hasn't started yet. */
4178 if (!gui.in_use)
4179 return;
4180
4181 FOR_ALL_WINDOWS(wp)
4182 {
4183 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT]));
4184 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT]));
4185 }
4186 gui_mch_set_scrollbar_colors(&gui.bottom_sbar);
4187}
4188#endif
4189
4190/*
4191 * Call this when focus has changed.
4192 */
4193 void
4194gui_focus_change(in_focus)
4195 int in_focus;
4196{
4197/*
4198 * Skip this code to avoid drawing the cursor when debugging and switching
4199 * between the debugger window and gvim.
4200 */
4201#if 1
4202 gui.in_focus = in_focus;
4203 out_flush(); /* make sure output has been written */
4204 gui_update_cursor(TRUE, FALSE);
4205
4206# ifdef FEAT_XIM
4207 xim_set_focus(in_focus);
4208# endif
4209
4210 ui_focus_change(in_focus);
4211#endif
4212}
4213
4214/*
4215 * Called when the mouse moved (but not when dragging).
4216 */
4217 void
4218gui_mouse_moved(x, y)
4219 int x;
4220 int y;
4221{
4222 win_T *wp;
4223 char_u st[6];
4224
4225#ifdef FEAT_MOUSESHAPE
4226 /* Get window pointer, and update mouse shape as well. */
4227 wp = xy2win(x, y);
4228#endif
4229
4230 /* Only handle this when 'mousefocus' set and ... */
4231 if (p_mousef
4232 && !hold_gui_events /* not holding events */
4233 && (State & (NORMAL|INSERT))/* Normal/Visual/Insert mode */
4234 && State != HITRETURN /* but not hit-return prompt */
4235 && msg_scrolled == 0 /* no scrolled message */
4236 && !need_mouse_correct /* not moving the pointer */
4237 && gui.in_focus) /* gvim in focus */
4238 {
4239 /* Don't move the mouse when it's left or right of the Vim window */
4240 if (x < 0 || x > Columns * gui.char_width)
4241 return;
4242#ifndef FEAT_MOUSESHAPE
4243 wp = xy2win(x, y);
4244#endif
4245 if (wp == curwin || wp == NULL)
4246 return; /* still in the same old window, or none at all */
4247
4248 /*
4249 * format a mouse click on status line input
4250 * ala gui_send_mouse_event(0, x, y, 0, 0);
Bram Moolenaar41bfd302005-04-24 21:59:46 +00004251 * Trick: Use a column number -1, so that get_pseudo_mouse_code() will
4252 * generate a K_LEFTMOUSE_NM key code.
Bram Moolenaar071d4272004-06-13 20:20:40 +00004253 */
4254 if (finish_op)
4255 {
4256 /* abort the current operator first */
4257 st[0] = ESC;
4258 add_to_input_buf(st, 1);
4259 }
4260 st[0] = CSI;
4261 st[1] = KS_MOUSE;
4262 st[2] = KE_FILLER;
4263 st[3] = (char_u)MOUSE_LEFT;
4264 fill_mouse_coord(st + 4,
4265#ifdef FEAT_VERTSPLIT
Bram Moolenaar41bfd302005-04-24 21:59:46 +00004266 wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF,
Bram Moolenaar071d4272004-06-13 20:20:40 +00004267#else
4268 -1,
4269#endif
4270 wp->w_height + W_WINROW(wp));
4271
4272 add_to_input_buf(st, 8);
4273 st[3] = (char_u)MOUSE_RELEASE;
4274 add_to_input_buf(st, 8);
Bram Moolenaar071d4272004-06-13 20:20:40 +00004275#ifdef FEAT_GUI_GTK
4276 /* Need to wake up the main loop */
4277 if (gtk_main_level() > 0)
4278 gtk_main_quit();
4279#endif
4280 }
4281}
4282
4283/*
4284 * Called when mouse should be moved to window with focus.
4285 */
4286 void
4287gui_mouse_correct()
4288{
4289 int x, y;
4290 win_T *wp = NULL;
4291
4292 need_mouse_correct = FALSE;
Bram Moolenaar9588a0f2005-01-08 21:45:39 +00004293
4294 if (!(gui.in_use && p_mousef))
4295 return;
4296
4297 gui_mch_getmouse(&x, &y);
4298 /* Don't move the mouse when it's left or right of the Vim window */
4299 if (x < 0 || x > Columns * gui.char_width)
4300 return;
4301 if (y >= 0)
4302 wp = xy2win(x, y);
4303 if (wp != curwin && wp != NULL) /* If in other than current window */
Bram Moolenaar071d4272004-06-13 20:20:40 +00004304 {
Bram Moolenaar9588a0f2005-01-08 21:45:39 +00004305 validate_cline_row();
4306 gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3,
4307 (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height
Bram Moolenaar071d4272004-06-13 20:20:40 +00004308 + (gui.char_height) / 2);
Bram Moolenaar071d4272004-06-13 20:20:40 +00004309 }
4310}
4311
4312/*
4313 * Find window where the mouse pointer "y" coordinate is in.
4314 */
4315/*ARGSUSED*/
4316 static win_T *
4317xy2win(x, y)
4318 int x;
4319 int y;
4320{
4321#ifdef FEAT_WINDOWS
4322 int row;
4323 int col;
4324 win_T *wp;
4325
4326 row = Y_2_ROW(y);
4327 col = X_2_COL(x);
4328 if (row < 0 || col < 0) /* before first window */
4329 return NULL;
4330 wp = mouse_find_win(&row, &col);
4331# ifdef FEAT_MOUSESHAPE
4332 if (State == HITRETURN || State == ASKMORE)
4333 {
4334 if (Y_2_ROW(y) >= msg_row)
4335 update_mouseshape(SHAPE_IDX_MOREL);
4336 else
4337 update_mouseshape(SHAPE_IDX_MORE);
4338 }
4339 else if (row > wp->w_height) /* below status line */
4340 update_mouseshape(SHAPE_IDX_CLINE);
4341# ifdef FEAT_VERTSPLIT
4342 else if (!(State & CMDLINE) && W_VSEP_WIDTH(wp) > 0 && col == wp->w_width
4343 && (row != wp->w_height || !stl_connected(wp)))
4344 update_mouseshape(SHAPE_IDX_VSEP);
4345# endif
4346 else if (!(State & CMDLINE) && W_STATUS_HEIGHT(wp) > 0
4347 && row == wp->w_height)
4348 update_mouseshape(SHAPE_IDX_STATUS);
4349 else
4350 update_mouseshape(-2);
4351# endif
4352 return wp;
4353#else
4354 return firstwin;
4355#endif
4356}
4357
4358/*
4359 * ":gui" and ":gvim": Change from the terminal version to the GUI version.
4360 * File names may be given to redefine the args list.
4361 */
4362 void
4363ex_gui(eap)
4364 exarg_T *eap;
4365{
4366 char_u *arg = eap->arg;
4367
4368 /*
4369 * Check for "-f" argument: foreground, don't fork.
4370 * Also don't fork when started with "gvim -f".
4371 * Do fork when using "gui -b".
4372 */
4373 if (arg[0] == '-'
4374 && (arg[1] == 'f' || arg[1] == 'b')
4375 && (arg[2] == NUL || vim_iswhite(arg[2])))
4376 {
4377 gui.dofork = (arg[1] == 'b');
4378 eap->arg = skipwhite(eap->arg + 2);
4379 }
4380 if (!gui.in_use)
4381 {
4382 /* Clear the command. Needed for when forking+exiting, to avoid part
4383 * of the argument ending up after the shell prompt. */
4384 msg_clr_eos_force();
4385 gui_start();
4386 }
4387 if (!ends_excmd(*eap->arg))
4388 ex_next(eap);
4389}
4390
4391#if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32) \
Bram Moolenaar9372a112005-12-06 19:59:18 +00004392 || defined(FEAT_GUI_PHOTON)) && defined(FEAT_TOOLBAR)) || defined(PROTO)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004393/*
4394 * This is shared between Athena, Motif and GTK.
4395 */
Bram Moolenaar402d2fe2005-04-15 21:00:38 +00004396static void gfp_setname __ARGS((char_u *fname, void *cookie));
Bram Moolenaar071d4272004-06-13 20:20:40 +00004397
4398/*
4399 * Callback function for do_in_runtimepath().
4400 */
4401 static void
Bram Moolenaar402d2fe2005-04-15 21:00:38 +00004402gfp_setname(fname, cookie)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004403 char_u *fname;
Bram Moolenaar402d2fe2005-04-15 21:00:38 +00004404 void *cookie;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004405{
Bram Moolenaar402d2fe2005-04-15 21:00:38 +00004406 char_u *gfp_buffer = cookie;
4407
Bram Moolenaar071d4272004-06-13 20:20:40 +00004408 if (STRLEN(fname) >= MAXPATHL)
4409 *gfp_buffer = NUL;
4410 else
4411 STRCPY(gfp_buffer, fname);
4412}
4413
4414/*
4415 * Find the path of bitmap "name" with extension "ext" in 'runtimepath'.
4416 * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result.
4417 */
4418 int
4419gui_find_bitmap(name, buffer, ext)
4420 char_u *name;
4421 char_u *buffer;
4422 char *ext;
4423{
4424 if (STRLEN(name) > MAXPATHL - 14)
4425 return FAIL;
Bram Moolenaar051b7822005-05-19 21:00:46 +00004426 vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext);
Bram Moolenaar402d2fe2005-04-15 21:00:38 +00004427 if (do_in_runtimepath(buffer, FALSE, gfp_setname, buffer) == FAIL
4428 || *buffer == NUL)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004429 return FAIL;
4430 return OK;
4431}
4432
4433# if !defined(HAVE_GTK2) || defined(PROTO)
4434/*
4435 * Given the name of the "icon=" argument, try finding the bitmap file for the
4436 * icon. If it is an absolute path name, use it as it is. Otherwise append
4437 * "ext" and search for it in 'runtimepath'.
4438 * The result is put in "buffer[MAXPATHL]". If something fails "buffer"
4439 * contains "name".
4440 */
4441 void
4442gui_find_iconfile(name, buffer, ext)
4443 char_u *name;
4444 char_u *buffer;
4445 char *ext;
4446{
4447 char_u buf[MAXPATHL + 1];
4448
4449 expand_env(name, buffer, MAXPATHL);
4450 if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK)
4451 STRCPY(buffer, buf);
4452}
4453# endif
4454#endif
4455
Bram Moolenaar9372a112005-12-06 19:59:18 +00004456#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004457 void
4458display_errors()
4459{
4460 char_u *p;
4461
4462 if (isatty(2))
4463 fflush(stderr);
4464 else if (error_ga.ga_data != NULL)
4465 {
4466 /* avoid putting up a message box with blanks only */
4467 for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p)
4468 if (!isspace(*p))
4469 {
4470 /* Truncate a very long message, it will go off-screen. */
4471 if (STRLEN(p) > 2000)
4472 STRCPY(p + 2000 - 14, "...(truncated)");
4473 (void)do_dialog(VIM_ERROR, (char_u *)_("Error"),
4474 p, (char_u *)_("&Ok"), 1, NULL);
4475 break;
4476 }
4477 ga_clear(&error_ga);
4478 }
4479}
4480#endif
4481
4482#if defined(NO_CONSOLE_INPUT) || defined(PROTO)
4483/*
4484 * Return TRUE if still starting up and there is no place to enter text.
4485 * For GTK and X11 we check if stderr is not a tty, which means we were
4486 * (probably) started from the desktop. Also check stdin, "vim >& file" does
4487 * allow typing on stdin.
4488 */
4489 int
4490no_console_input()
4491{
4492 return ((!gui.in_use || gui.starting)
4493# ifndef NO_CONSOLE
4494 && !isatty(0) && !isatty(2)
4495# endif
4496 );
4497}
4498#endif
4499
Bram Moolenaar7171abe2004-10-11 10:06:20 +00004500#if defined(FIND_REPLACE_DIALOG) || defined(FEAT_SUN_WORKSHOP) \
4501 || defined(PROTO)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004502/*
4503 * Update the current window and the screen.
4504 */
4505 void
4506gui_update_screen()
4507{
4508 update_topline();
4509 validate_cursor();
4510 update_screen(0); /* may need to update the screen */
4511 setcursor();
4512 out_flush(); /* make sure output has been written */
4513 gui_update_cursor(TRUE, FALSE);
4514 gui_mch_flush();
4515}
4516#endif
4517
Bram Moolenaar7171abe2004-10-11 10:06:20 +00004518#if defined(FIND_REPLACE_DIALOG) || defined(PROTO)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004519static void concat_esc __ARGS((garray_T *gap, char_u *text, int what));
4520
4521/*
4522 * Get the text to use in a find/replace dialog. Uses the last search pattern
4523 * if the argument is empty.
4524 * Returns an allocated string.
4525 */
4526 char_u *
4527get_find_dialog_text(arg, wwordp, mcasep)
4528 char_u *arg;
4529 int *wwordp; /* return: TRUE if \< \> found */
4530 int *mcasep; /* return: TRUE if \C found */
4531{
4532 char_u *text;
4533
4534 if (*arg == NUL)
4535 text = last_search_pat();
4536 else
4537 text = arg;
4538 if (text != NULL)
4539 {
4540 text = vim_strsave(text);
4541 if (text != NULL)
4542 {
4543 int len = STRLEN(text);
4544 int i;
4545
4546 /* Remove "\V" */
4547 if (len >= 2 && STRNCMP(text, "\\V", 2) == 0)
4548 {
4549 mch_memmove(text, text + 2, (size_t)(len - 1));
4550 len -= 2;
4551 }
4552
4553 /* Recognize "\c" and "\C" and remove. */
4554 if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C'))
4555 {
4556 *mcasep = (text[1] == 'C');
4557 mch_memmove(text, text + 2, (size_t)(len - 1));
4558 len -= 2;
4559 }
4560
4561 /* Recognize "\<text\>" and remove. */
4562 if (len >= 4
4563 && STRNCMP(text, "\\<", 2) == 0
4564 && STRNCMP(text + len - 2, "\\>", 2) == 0)
4565 {
4566 *wwordp = TRUE;
4567 mch_memmove(text, text + 2, (size_t)(len - 4));
4568 text[len - 4] = NUL;
4569 }
4570
4571 /* Recognize "\/" or "\?" and remove. */
4572 for (i = 0; i + 1 < len; ++i)
4573 if (text[i] == '\\' && (text[i + 1] == '/'
4574 || text[i + 1] == '?'))
4575 {
4576 mch_memmove(text + i, text + i + 1, (size_t)(len - i));
4577 --len;
4578 }
4579 }
4580 }
4581 return text;
4582}
4583
4584/*
4585 * Concatenate "text" to grow array "gap", escaping "what" with a backslash.
4586 */
4587 static void
4588concat_esc(gap, text, what)
4589 garray_T *gap;
4590 char_u *text;
4591 int what;
4592{
4593 while (*text != NUL)
4594 {
4595#ifdef FEAT_MBYTE
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00004596 int l = (*mb_ptr2len)(text);
Bram Moolenaar071d4272004-06-13 20:20:40 +00004597 if (l > 1)
4598 {
4599 while (--l >= 0)
4600 ga_append(gap, *text++);
4601 continue;
4602 }
4603#endif
4604 if (*text == what)
4605 ga_append(gap, '\\');
4606 ga_append(gap, *text);
4607 ++text;
4608 }
4609}
4610
4611/*
4612 * Handle the press of a button in the find-replace dialog.
4613 * Return TRUE when something was added to the input buffer.
4614 */
4615 int
4616gui_do_findrepl(flags, find_text, repl_text, down)
4617 int flags; /* one of FRD_REPLACE, FRD_FINDNEXT, etc. */
4618 char_u *find_text;
4619 char_u *repl_text;
4620 int down; /* Search downwards. */
4621{
4622 garray_T ga;
4623 int i;
4624 int type = (flags & FRD_TYPE_MASK);
4625 char_u *p;
Bram Moolenaar7171abe2004-10-11 10:06:20 +00004626 regmatch_T regmatch;
Bram Moolenaar5b8d8fd2005-08-16 23:01:50 +00004627 int save_did_emsg = did_emsg;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004628
4629 ga_init2(&ga, 1, 100);
Bram Moolenaar7171abe2004-10-11 10:06:20 +00004630 if (type == FRD_REPLACEALL)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004631 ga_concat(&ga, (char_u *)"%s/");
4632
4633 ga_concat(&ga, (char_u *)"\\V");
4634 if (flags & FRD_MATCH_CASE)
4635 ga_concat(&ga, (char_u *)"\\C");
4636 else
4637 ga_concat(&ga, (char_u *)"\\c");
4638 if (flags & FRD_WHOLE_WORD)
4639 ga_concat(&ga, (char_u *)"\\<");
4640 if (type == FRD_REPLACEALL || down)
4641 concat_esc(&ga, find_text, '/'); /* escape slashes */
4642 else
4643 concat_esc(&ga, find_text, '?'); /* escape '?' */
4644 if (flags & FRD_WHOLE_WORD)
4645 ga_concat(&ga, (char_u *)"\\>");
4646
4647 if (type == FRD_REPLACEALL)
4648 {
Bram Moolenaar071d4272004-06-13 20:20:40 +00004649 ga_concat(&ga, (char_u *)"/");
4650 concat_esc(&ga, repl_text, '/'); /* escape slashes */
4651 ga_concat(&ga, (char_u *)"/g");
Bram Moolenaar7171abe2004-10-11 10:06:20 +00004652 }
4653 ga_append(&ga, NUL);
4654
4655 if (type == FRD_REPLACE)
4656 {
4657 /* Do the replacement when the text at the cursor matches. Thus no
4658 * replacement is done if the cursor was moved! */
4659 regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING);
4660 regmatch.rm_ic = 0;
4661 if (regmatch.regprog != NULL)
4662 {
4663 p = ml_get_cursor();
4664 if (vim_regexec_nl(&regmatch, p, (colnr_T)0)
4665 && regmatch.startp[0] == p)
4666 {
4667 /* Clear the command line to remove any old "No match"
4668 * error. */
4669 msg_end_prompt();
4670
4671 if (u_save_cursor() == OK)
4672 {
4673 /* A button was pressed thus undo should be synced. */
4674 if (no_u_sync == 0)
4675 u_sync();
4676
4677 del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]),
Bram Moolenaard35f9712005-12-18 22:02:33 +00004678 FALSE, FALSE);
Bram Moolenaar7171abe2004-10-11 10:06:20 +00004679 ins_str(repl_text);
4680 }
4681 }
4682 else
4683 MSG(_("No match at cursor, finding next"));
4684 vim_free(regmatch.regprog);
4685 }
4686 }
4687
4688 if (type == FRD_REPLACEALL)
4689 {
4690 /* A button was pressed, thus undo should be synced. */
4691 if (no_u_sync == 0)
4692 u_sync();
Bram Moolenaar071d4272004-06-13 20:20:40 +00004693 do_cmdline_cmd(ga.ga_data);
4694 }
4695 else
4696 {
4697 /* Search for the next match. */
4698 i = msg_scroll;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004699 do_search(NULL, down ? '/' : '?', ga.ga_data, 1L,
4700 SEARCH_MSG + SEARCH_MARK);
4701 msg_scroll = i; /* don't let an error message set msg_scroll */
4702 }
4703
Bram Moolenaar5b8d8fd2005-08-16 23:01:50 +00004704 /* Don't want to pass did_emsg to other code, it may cause disabling
4705 * syntax HL if we were busy redrawing. */
4706 did_emsg = save_did_emsg;
4707
Bram Moolenaar071d4272004-06-13 20:20:40 +00004708 if (State & (NORMAL | INSERT))
4709 {
4710 gui_update_screen(); /* update the screen */
4711 msg_didout = 0; /* overwrite any message */
4712 need_wait_return = FALSE; /* don't wait for return */
4713 }
4714
4715 vim_free(ga.ga_data);
4716 return (ga.ga_len > 0);
4717}
4718
4719#endif
4720
4721#if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
4722 || defined(FEAT_GUI_MSWIN) \
4723 || defined(FEAT_GUI_MAC) \
4724 || defined(PROTO)
4725
4726#ifdef FEAT_WINDOWS
4727static void gui_wingoto_xy __ARGS((int x, int y));
4728
4729/*
4730 * Jump to the window at specified point (x, y).
4731 */
4732 static void
4733gui_wingoto_xy(x, y)
4734 int x;
4735 int y;
4736{
4737 int row = Y_2_ROW(y);
4738 int col = X_2_COL(x);
4739 win_T *wp;
4740
4741 if (row >= 0 && col >= 0)
4742 {
4743 wp = mouse_find_win(&row, &col);
4744 if (wp != NULL && wp != curwin)
4745 win_goto(wp);
4746 }
4747}
4748#endif
4749
4750/*
4751 * Process file drop. Mouse cursor position, key modifiers, name of files
4752 * and count of files are given. Argument "fnames[count]" has full pathnames
4753 * of dropped files, they will be freed in this function, and caller can't use
4754 * fnames after call this function.
4755 */
4756/*ARGSUSED*/
4757 void
4758gui_handle_drop(x, y, modifiers, fnames, count)
4759 int x;
4760 int y;
4761 int_u modifiers;
4762 char_u **fnames;
4763 int count;
4764{
4765 int i;
4766 char_u *p;
4767
4768 /*
4769 * When the cursor is at the command line, add the file names to the
4770 * command line, don't edit the files.
4771 */
4772 if (State & CMDLINE)
4773 {
4774 shorten_filenames(fnames, count);
4775 for (i = 0; i < count; ++i)
4776 {
4777 if (fnames[i] != NULL)
4778 {
4779 if (i > 0)
4780 add_to_input_buf((char_u*)" ", 1);
4781
4782 /* We don't know what command is used thus we can't be sure
4783 * about which characters need to be escaped. Only escape the
4784 * most common ones. */
4785# ifdef BACKSLASH_IN_FILENAME
4786 p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|");
4787# else
4788 p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|");
4789# endif
4790 if (p != NULL)
4791 add_to_input_buf(p, (int)STRLEN(p));
4792 vim_free(p);
4793 vim_free(fnames[i]);
4794 }
4795 }
4796 vim_free(fnames);
4797 }
4798 else
4799 {
4800 /* Go to the window under mouse cursor, then shorten given "fnames" by
4801 * current window, because a window can have local current dir. */
4802# ifdef FEAT_WINDOWS
4803 gui_wingoto_xy(x, y);
4804# endif
4805 shorten_filenames(fnames, count);
4806
4807 /* If Shift held down, remember the first item. */
4808 if ((modifiers & MOUSE_SHIFT) != 0)
4809 p = vim_strsave(fnames[0]);
4810 else
4811 p = NULL;
4812
4813 /* Handle the drop, :edit or :split to get to the file. This also
4814 * frees fnames[]. Skip this if there is only one item it's a
4815 * directory and Shift is held down. */
4816 if (count == 1 && (modifiers & MOUSE_SHIFT) != 0
4817 && mch_isdir(fnames[0]))
4818 {
4819 vim_free(fnames[0]);
4820 vim_free(fnames);
4821 }
4822 else
4823 handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0);
4824
4825 /* If Shift held down, change to first file's directory. If the first
4826 * item is a directory, change to that directory (and let the explorer
4827 * plugin show the contents). */
4828 if (p != NULL)
4829 {
4830 if (mch_isdir(p))
4831 {
4832 if (mch_chdir((char *)p) == 0)
4833 shorten_fnames(TRUE);
4834 }
4835 else if (vim_chdirfile(p) == OK)
4836 shorten_fnames(TRUE);
4837 vim_free(p);
4838 }
4839
4840 /* Update the screen display */
4841 update_screen(NOT_VALID);
4842# ifdef FEAT_MENU
4843 gui_update_menus(0);
4844# endif
4845 setcursor();
4846 out_flush();
4847 gui_update_cursor(FALSE, FALSE);
4848 gui_mch_flush();
4849 }
4850}
4851#endif