Merge branch 'vim-with-runtime' into feat/code-check
[vim_extended.git] / src / gui.c
blob2c307faaaadab988072207fa02c0fd2d8953e849
1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
4 * GUI/Motif support by Robert Webb
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 */
11 #include "vim.h"
13 /* Structure containing all the GUI information */
14 gui_T gui;
16 #if defined(FEAT_MBYTE) && !defined(HAVE_GTK2)
17 static void set_guifontwide __ARGS((char_u *font_name));
18 #endif
19 static void gui_check_pos __ARGS((void));
20 static void gui_position_components __ARGS((int));
21 static void gui_outstr __ARGS((char_u *, int));
22 static int gui_screenchar __ARGS((int off, int flags, guicolor_T fg, guicolor_T bg, int back));
23 #ifdef HAVE_GTK2
24 static int gui_screenstr __ARGS((int off, int len, int flags, guicolor_T fg, guicolor_T bg, int back));
25 #endif
26 static void gui_delete_lines __ARGS((int row, int count));
27 static void gui_insert_lines __ARGS((int row, int count));
28 static void fill_mouse_coord __ARGS((char_u *p, int col, int row));
29 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
30 static int gui_has_tabline __ARGS((void));
31 #endif
32 static void gui_do_scrollbar __ARGS((win_T *wp, int which, int enable));
33 static colnr_T scroll_line_len __ARGS((linenr_T lnum));
34 static void gui_update_horiz_scrollbar __ARGS((int));
35 static void gui_set_fg_color __ARGS((char_u *name));
36 static void gui_set_bg_color __ARGS((char_u *name));
37 static win_T *xy2win __ARGS((int x, int y));
39 static int can_update_cursor = TRUE; /* can display the cursor */
42 * The Athena scrollbars can move the thumb to after the end of the scrollbar,
43 * this makes the thumb indicate the part of the text that is shown. Motif
44 * can't do this.
46 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MAC)
47 # define SCROLL_PAST_END
48 #endif
51 * gui_start -- Called when user wants to start the GUI.
53 * Careful: This function can be called recursively when there is a ":gui"
54 * command in the .gvimrc file. Only the first call should fork, not the
55 * recursive call.
57 void
58 gui_start()
60 char_u *old_term;
61 #if defined(UNIX) && !defined(__BEOS__) && !defined(MACOS_X)
62 # define MAY_FORK
63 int dofork = TRUE;
64 #endif
65 static int recursive = 0;
67 old_term = vim_strsave(T_NAME);
70 * Set_termname() will call gui_init() to start the GUI.
71 * Set the "starting" flag, to indicate that the GUI will start.
73 * We don't want to open the GUI shell until after we've read .gvimrc,
74 * otherwise we don't know what font we will use, and hence we don't know
75 * what size the shell should be. So if there are errors in the .gvimrc
76 * file, they will have to go to the terminal: Set full_screen to FALSE.
77 * full_screen will be set to TRUE again by a successful termcapinit().
79 settmode(TMODE_COOK); /* stop RAW mode */
80 if (full_screen)
81 cursor_on(); /* needed for ":gui" in .vimrc */
82 gui.starting = TRUE;
83 full_screen = FALSE;
85 #ifdef MAY_FORK
86 if (!gui.dofork || vim_strchr(p_go, GO_FORG) || recursive)
87 dofork = FALSE;
88 #endif
89 ++recursive;
91 termcapinit((char_u *)"builtin_gui");
92 gui.starting = recursive - 1;
94 if (!gui.in_use) /* failed to start GUI */
96 termcapinit(old_term); /* back to old term settings */
97 settmode(TMODE_RAW); /* restart RAW mode */
98 #ifdef FEAT_TITLE
99 set_title_defaults(); /* set 'title' and 'icon' again */
100 #endif
103 vim_free(old_term);
105 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
106 if (gui.in_use)
107 /* Display error messages in a dialog now. */
108 display_errors();
109 #endif
111 #if defined(MAY_FORK) && !defined(__QNXNTO__)
113 * Quit the current process and continue in the child.
114 * Makes "gvim file" disconnect from the shell it was started in.
115 * Don't do this when Vim was started with "-f" or the 'f' flag is present
116 * in 'guioptions'.
118 if (gui.in_use && dofork)
120 int pipefd[2]; /* pipe between parent and child */
121 int pipe_error;
122 char dummy;
123 pid_t pid = -1;
125 /* Setup a pipe between the child and the parent, so that the parent
126 * knows when the child has done the setsid() call and is allowed to
127 * exit. */
128 pipe_error = (pipe(pipefd) < 0);
129 pid = fork();
130 if (pid > 0) /* Parent */
132 /* Give the child some time to do the setsid(), otherwise the
133 * exit() may kill the child too (when starting gvim from inside a
134 * gvim). */
135 if (pipe_error)
136 ui_delay(300L, TRUE);
137 else
139 /* The read returns when the child closes the pipe (or when
140 * the child dies for some reason). */
141 close(pipefd[1]);
142 ignored = (int)read(pipefd[0], &dummy, (size_t)1);
143 close(pipefd[0]);
146 /* When swapping screens we may need to go to the next line, e.g.,
147 * after a hit-enter prompt and using ":gui". */
148 if (newline_on_exit)
149 mch_errmsg("\r\n");
152 * The parent must skip the normal exit() processing, the child
153 * will do it. For example, GTK messes up signals when exiting.
155 _exit(0);
158 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID)
160 * Change our process group. On some systems/shells a CTRL-C in the
161 * shell where Vim was started would otherwise kill gvim!
163 if (pid == 0) /* child */
164 # if defined(HAVE_SETSID)
165 (void)setsid();
166 # else
167 (void)setpgid(0, 0);
168 # endif
169 # endif
170 if (!pipe_error)
172 close(pipefd[0]);
173 close(pipefd[1]);
176 # if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
177 /* Tell the session manager our new PID */
178 gui_mch_forked();
179 # endif
181 #else
182 # if defined(__QNXNTO__)
183 if (gui.in_use && dofork)
184 procmgr_daemon(0, PROCMGR_DAEMON_KEEPUMASK | PROCMGR_DAEMON_NOCHDIR |
185 PROCMGR_DAEMON_NOCLOSE | PROCMGR_DAEMON_NODEVNULL);
186 # endif
187 #endif
189 #ifdef FEAT_AUTOCMD
190 /* If the GUI started successfully, trigger the GUIEnter event, otherwise
191 * the GUIFailed event. */
192 apply_autocmds(gui.in_use ? EVENT_GUIENTER : EVENT_GUIFAILED,
193 NULL, NULL, FALSE, curbuf);
194 #endif
196 --recursive;
200 * Call this when vim starts up, whether or not the GUI is started
202 void
203 gui_prepare(argc, argv)
204 int *argc;
205 char **argv;
207 gui.in_use = FALSE; /* No GUI yet (maybe later) */
208 gui.starting = FALSE; /* No GUI yet (maybe later) */
209 gui_mch_prepare(argc, argv);
213 * Try initializing the GUI and check if it can be started.
214 * Used from main() to check early if "vim -g" can start the GUI.
215 * Used from gui_init() to prepare for starting the GUI.
216 * Returns FAIL or OK.
219 gui_init_check()
221 static int result = MAYBE;
223 if (result != MAYBE)
225 if (result == FAIL)
226 EMSG(_("E229: Cannot start the GUI"));
227 return result;
230 gui.shell_created = FALSE;
231 gui.dying = FALSE;
232 gui.in_focus = TRUE; /* so the guicursor setting works */
233 gui.dragged_sb = SBAR_NONE;
234 gui.dragged_wp = NULL;
235 gui.pointer_hidden = FALSE;
236 gui.col = 0;
237 gui.row = 0;
238 gui.num_cols = Columns;
239 gui.num_rows = Rows;
241 gui.cursor_is_valid = FALSE;
242 gui.scroll_region_top = 0;
243 gui.scroll_region_bot = Rows - 1;
244 gui.scroll_region_left = 0;
245 gui.scroll_region_right = Columns - 1;
246 gui.highlight_mask = HL_NORMAL;
247 gui.char_width = 1;
248 gui.char_height = 1;
249 gui.char_ascent = 0;
250 gui.border_width = 0;
252 gui.norm_font = NOFONT;
253 #ifndef HAVE_GTK2
254 gui.bold_font = NOFONT;
255 gui.ital_font = NOFONT;
256 gui.boldital_font = NOFONT;
257 # ifdef FEAT_XFONTSET
258 gui.fontset = NOFONTSET;
259 # endif
260 #endif
262 #ifdef FEAT_MENU
263 # ifndef HAVE_GTK2
264 # ifdef FONTSET_ALWAYS
265 gui.menu_fontset = NOFONTSET;
266 # else
267 gui.menu_font = NOFONT;
268 # endif
269 # endif
270 gui.menu_is_active = TRUE; /* default: include menu */
271 # ifndef FEAT_GUI_GTK
272 gui.menu_height = MENU_DEFAULT_HEIGHT;
273 gui.menu_width = 0;
274 # endif
275 #endif
276 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA))
277 gui.toolbar_height = 0;
278 #endif
279 #if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF)
280 gui.footer_height = 0;
281 #endif
282 #ifdef FEAT_BEVAL_TIP
283 gui.tooltip_fontset = NOFONTSET;
284 #endif
286 gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH;
287 gui.prev_wrap = -1;
289 #ifdef ALWAYS_USE_GUI
290 result = OK;
291 #else
292 result = gui_mch_init_check();
293 #endif
294 return result;
298 * This is the call which starts the GUI.
300 void
301 gui_init()
303 win_T *wp;
304 static int recursive = 0;
307 * It's possible to use ":gui" in a .gvimrc file. The first halve of this
308 * function will then be executed at the first call, the rest by the
309 * recursive call. This allow the shell to be opened halfway reading a
310 * gvimrc file.
312 if (!recursive)
314 ++recursive;
316 clip_init(TRUE);
318 /* If can't initialize, don't try doing the rest */
319 if (gui_init_check() == FAIL)
321 --recursive;
322 clip_init(FALSE);
323 return;
327 * Reset 'paste'. It's useful in the terminal, but not in the GUI. It
328 * breaks the Paste toolbar button.
330 set_option_value((char_u *)"paste", 0L, NULL, 0);
333 * Set up system-wide default menus.
335 #if defined(SYS_MENU_FILE) && defined(FEAT_MENU)
336 if (vim_strchr(p_go, GO_NOSYSMENU) == NULL)
338 sys_menu = TRUE;
339 do_source((char_u *)SYS_MENU_FILE, FALSE, DOSO_NONE);
340 sys_menu = FALSE;
342 #endif
345 * Switch on the mouse by default, unless the user changed it already.
346 * This can then be changed in the .gvimrc.
348 if (!option_was_set((char_u *)"mouse"))
349 set_string_option_direct((char_u *)"mouse", -1,
350 (char_u *)"a", OPT_FREE, SID_NONE);
353 * If -U option given, use only the initializations from that file and
354 * nothing else. Skip all initializations for "-U NONE" or "-u NORC".
356 if (use_gvimrc != NULL)
358 if (STRCMP(use_gvimrc, "NONE") != 0
359 && STRCMP(use_gvimrc, "NORC") != 0
360 && do_source(use_gvimrc, FALSE, DOSO_NONE) != OK)
361 EMSG2(_("E230: Cannot read from \"%s\""), use_gvimrc);
363 else
366 * Get system wide defaults for gvim, only when file name defined.
368 #ifdef SYS_GVIMRC_FILE
369 do_source((char_u *)SYS_GVIMRC_FILE, FALSE, DOSO_NONE);
370 #endif
373 * Try to read GUI initialization commands from the following
374 * places:
375 * - environment variable GVIMINIT
376 * - the user gvimrc file (~/.gvimrc)
377 * - the second user gvimrc file ($VIM/.gvimrc for Dos)
378 * - the third user gvimrc file ($VIM/.gvimrc for Amiga)
379 * The first that exists is used, the rest is ignored.
381 if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL
382 && do_source((char_u *)USR_GVIMRC_FILE, TRUE,
383 DOSO_GVIMRC) == FAIL
384 #ifdef USR_GVIMRC_FILE2
385 && do_source((char_u *)USR_GVIMRC_FILE2, TRUE,
386 DOSO_GVIMRC) == FAIL
387 #endif
390 #ifdef USR_GVIMRC_FILE3
391 (void)do_source((char_u *)USR_GVIMRC_FILE3, TRUE, DOSO_GVIMRC);
392 #endif
396 * Read initialization commands from ".gvimrc" in current
397 * directory. This is only done if the 'exrc' option is set.
398 * Because of security reasons we disallow shell and write
399 * commands now, except for unix if the file is owned by the user
400 * or 'secure' option has been reset in environment of global
401 * ".gvimrc".
402 * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE,
403 * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE.
405 if (p_exrc)
407 #ifdef UNIX
409 struct stat s;
411 /* if ".gvimrc" file is not owned by user, set 'secure'
412 * mode */
413 if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid())
414 secure = p_secure;
416 #else
417 secure = p_secure;
418 #endif
420 if ( fullpathcmp((char_u *)USR_GVIMRC_FILE,
421 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
422 #ifdef SYS_GVIMRC_FILE
423 && fullpathcmp((char_u *)SYS_GVIMRC_FILE,
424 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
425 #endif
426 #ifdef USR_GVIMRC_FILE2
427 && fullpathcmp((char_u *)USR_GVIMRC_FILE2,
428 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
429 #endif
430 #ifdef USR_GVIMRC_FILE3
431 && fullpathcmp((char_u *)USR_GVIMRC_FILE3,
432 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
433 #endif
435 do_source((char_u *)GVIMRC_FILE, TRUE, DOSO_GVIMRC);
437 if (secure == 2)
438 need_wait_return = TRUE;
439 secure = 0;
443 if (need_wait_return || msg_didany)
444 wait_return(TRUE);
446 --recursive;
449 /* If recursive call opened the shell, return here from the first call */
450 if (gui.in_use)
451 return;
454 * Create the GUI shell.
456 gui.in_use = TRUE; /* Must be set after menus have been set up */
457 if (gui_mch_init() == FAIL)
458 goto error;
460 /* Avoid a delay for an error message that was printed in the terminal
461 * where Vim was started. */
462 emsg_on_display = FALSE;
463 msg_scrolled = 0;
464 clear_sb_text();
465 need_wait_return = FALSE;
466 msg_didany = FALSE;
469 * Check validity of any generic resources that may have been loaded.
471 if (gui.border_width < 0)
472 gui.border_width = 0;
475 * Set up the fonts. First use a font specified with "-fn" or "-font".
477 if (font_argument != NULL)
478 set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0);
479 if (
480 #ifdef FEAT_XFONTSET
481 (*p_guifontset == NUL
482 || gui_init_font(p_guifontset, TRUE) == FAIL) &&
483 #endif
484 gui_init_font(*p_guifont == NUL ? hl_get_font_name()
485 : p_guifont, FALSE) == FAIL)
487 EMSG(_("E665: Cannot start GUI, no valid font found"));
488 goto error2;
490 #ifdef FEAT_MBYTE
491 if (gui_get_wide_font() == FAIL)
492 EMSG(_("E231: 'guifontwide' invalid"));
493 #endif
495 gui.num_cols = Columns;
496 gui.num_rows = Rows;
497 gui_reset_scroll_region();
499 /* Create initial scrollbars */
500 FOR_ALL_WINDOWS(wp)
502 gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp);
503 gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp);
505 gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL);
507 #ifdef FEAT_MENU
508 gui_create_initial_menus(root_menu);
509 #endif
510 #ifdef FEAT_SUN_WORKSHOP
511 if (usingSunWorkShop)
512 workshop_init();
513 #endif
514 #ifdef FEAT_SIGN_ICONS
515 sign_gui_started();
516 #endif
518 /* Configure the desired menu and scrollbars */
519 gui_init_which_components(NULL);
521 /* All components of the GUI have been created now */
522 gui.shell_created = TRUE;
524 #ifndef FEAT_GUI_GTK
525 /* Set the shell size, adjusted for the screen size. For GTK this only
526 * works after the shell has been opened, thus it is further down. */
527 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
528 #endif
529 #if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
530 /* Need to set the size of the menubar after all the menus have been
531 * created. */
532 gui_mch_compute_menu_height((Widget)0);
533 #endif
536 * Actually open the GUI shell.
538 if (gui_mch_open() != FAIL)
540 #ifdef FEAT_TITLE
541 maketitle();
542 resettitle();
543 #endif
544 init_gui_options();
545 #ifdef FEAT_ARABIC
546 /* Our GUI can't do bidi. */
547 p_tbidi = FALSE;
548 #endif
549 #if defined(FEAT_GUI_GTK)
550 /* Give GTK+ a chance to put all widget's into place. */
551 gui_mch_update();
553 # ifdef FEAT_MENU
554 /* If there is no 'm' in 'guioptions' we need to remove the menu now.
555 * It was still there to make F10 work. */
556 if (vim_strchr(p_go, GO_MENUS) == NULL)
558 --gui.starting;
559 gui_mch_enable_menu(FALSE);
560 ++gui.starting;
561 gui_mch_update();
563 # endif
565 /* Now make sure the shell fits on the screen. */
566 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
567 #endif
568 /* When 'lines' was set while starting up the topframe may have to be
569 * resized. */
570 win_new_shellsize();
572 #ifdef FEAT_BEVAL
573 /* Always create the Balloon Evaluation area, but disable it when
574 * 'ballooneval' is off */
575 # ifdef FEAT_GUI_GTK
576 balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL,
577 &general_beval_cb, NULL);
578 # else
579 # if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)
581 extern Widget textArea;
582 balloonEval = gui_mch_create_beval_area(textArea, NULL,
583 &general_beval_cb, NULL);
585 # else
586 # ifdef FEAT_GUI_W32
587 balloonEval = gui_mch_create_beval_area(NULL, NULL,
588 &general_beval_cb, NULL);
589 # endif
590 # endif
591 # endif
592 if (!p_beval)
593 gui_mch_disable_beval_area(balloonEval);
594 #endif
596 #ifdef FEAT_NETBEANS_INTG
597 if (starting == 0 && usingNetbeans)
598 /* Tell the client that it can start sending commands. */
599 netbeans_startup_done();
600 #endif
601 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
602 if (!im_xim_isvalid_imactivate())
603 EMSG(_("E599: Value of 'imactivatekey' is invalid"));
604 #endif
605 /* When 'cmdheight' was set during startup it may not have taken
606 * effect yet. */
607 if (p_ch != 1L)
608 command_height();
610 return;
613 error2:
614 #ifdef FEAT_GUI_X11
615 /* undo gui_mch_init() */
616 gui_mch_uninit();
617 #endif
619 error:
620 gui.in_use = FALSE;
621 clip_init(FALSE);
625 void
626 gui_exit(rc)
627 int rc;
629 #ifndef __BEOS__
630 /* don't free the fonts, it leads to a BUS error
631 * richard@whitequeen.com Jul 99 */
632 free_highlight_fonts();
633 #endif
634 gui.in_use = FALSE;
635 gui_mch_exit(rc);
638 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \
639 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(PROTO)
640 # define NEED_GUI_UPDATE_SCREEN 1
642 * Called when the GUI shell is closed by the user. If there are no changed
643 * files Vim exits, otherwise there will be a dialog to ask the user what to
644 * do.
645 * When this function returns, Vim should NOT exit!
647 void
648 gui_shell_closed()
650 cmdmod_T save_cmdmod;
652 save_cmdmod = cmdmod;
654 /* Only exit when there are no changed files */
655 exiting = TRUE;
656 # ifdef FEAT_BROWSE
657 cmdmod.browse = TRUE;
658 # endif
659 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
660 cmdmod.confirm = TRUE;
661 # endif
662 /* If there are changed buffers, present the user with a dialog if
663 * possible, otherwise give an error message. */
664 if (!check_changed_any(FALSE))
665 getout(0);
667 exiting = FALSE;
668 cmdmod = save_cmdmod;
669 gui_update_screen(); /* redraw, window may show changed buffer */
671 #endif
674 * Set the font. "font_list" is a a comma separated list of font names. The
675 * first font name that works is used. If none is found, use the default
676 * font.
677 * If "fontset" is TRUE, the "font_list" is used as one name for the fontset.
678 * Return OK when able to set the font. When it failed FAIL is returned and
679 * the fonts are unchanged.
682 gui_init_font(font_list, fontset)
683 char_u *font_list;
684 int fontset UNUSED;
686 #define FONTLEN 320
687 char_u font_name[FONTLEN];
688 int font_list_empty = FALSE;
689 int ret = FAIL;
691 if (!gui.in_use)
692 return FAIL;
694 font_name[0] = NUL;
695 if (*font_list == NUL)
696 font_list_empty = TRUE;
697 else
699 #ifdef FEAT_XFONTSET
700 /* When using a fontset, the whole list of fonts is one name. */
701 if (fontset)
702 ret = gui_mch_init_font(font_list, TRUE);
703 else
704 #endif
705 while (*font_list != NUL)
707 /* Isolate one comma separated font name. */
708 (void)copy_option_part(&font_list, font_name, FONTLEN, ",");
710 /* Careful!!! The Win32 version of gui_mch_init_font(), when
711 * called with "*" will change p_guifont to the selected font
712 * name, which frees the old value. This makes font_list
713 * invalid. Thus when OK is returned here, font_list must no
714 * longer be used! */
715 if (gui_mch_init_font(font_name, FALSE) == OK)
717 #if defined(FEAT_MBYTE) && !defined(HAVE_GTK2)
718 /* If it's a Unicode font, try setting 'guifontwide' to a
719 * similar double-width font. */
720 if ((p_guifontwide == NULL || *p_guifontwide == NUL)
721 && strstr((char *)font_name, "10646") != NULL)
722 set_guifontwide(font_name);
723 #endif
724 ret = OK;
725 break;
730 if (ret != OK
731 && STRCMP(font_list, "*") != 0
732 && (font_list_empty || gui.norm_font == NOFONT))
735 * Couldn't load any font in 'font_list', keep the current font if
736 * there is one. If 'font_list' is empty, or if there is no current
737 * font, tell gui_mch_init_font() to try to find a font we can load.
739 ret = gui_mch_init_font(NULL, FALSE);
742 if (ret == OK)
744 #ifndef HAVE_GTK2
745 /* Set normal font as current font */
746 # ifdef FEAT_XFONTSET
747 if (gui.fontset != NOFONTSET)
748 gui_mch_set_fontset(gui.fontset);
749 else
750 # endif
751 gui_mch_set_font(gui.norm_font);
752 #endif
753 gui_set_shellsize(FALSE,
754 #ifdef MSWIN
755 TRUE
756 #else
757 FALSE
758 #endif
759 , RESIZE_BOTH);
762 return ret;
765 #if defined(FEAT_MBYTE) || defined(PROTO)
766 # ifndef HAVE_GTK2
768 * Try setting 'guifontwide' to a font twice as wide as "name".
770 static void
771 set_guifontwide(name)
772 char_u *name;
774 int i = 0;
775 char_u wide_name[FONTLEN + 10]; /* room for 2 * width and '*' */
776 char_u *wp = NULL;
777 char_u *p;
778 GuiFont font;
780 wp = wide_name;
781 for (p = name; *p != NUL; ++p)
783 *wp++ = *p;
784 if (*p == '-')
786 ++i;
787 if (i == 6) /* font type: change "--" to "-*-" */
789 if (p[1] == '-')
790 *wp++ = '*';
792 else if (i == 12) /* found the width */
794 ++p;
795 i = getdigits(&p);
796 if (i != 0)
798 /* Double the width specification. */
799 sprintf((char *)wp, "%d%s", i * 2, p);
800 font = gui_mch_get_font(wide_name, FALSE);
801 if (font != NOFONT)
803 gui_mch_free_font(gui.wide_font);
804 gui.wide_font = font;
805 set_string_option_direct((char_u *)"gfw", -1,
806 wide_name, OPT_FREE, 0);
809 break;
814 # endif /* !HAVE_GTK2 */
817 * Get the font for 'guifontwide'.
818 * Return FAIL for an invalid font name.
821 gui_get_wide_font()
823 GuiFont font = NOFONT;
824 char_u font_name[FONTLEN];
825 char_u *p;
827 if (!gui.in_use) /* Can't allocate font yet, assume it's OK. */
828 return OK; /* Will give an error message later. */
830 if (p_guifontwide != NULL && *p_guifontwide != NUL)
832 for (p = p_guifontwide; *p != NUL; )
834 /* Isolate one comma separated font name. */
835 (void)copy_option_part(&p, font_name, FONTLEN, ",");
836 font = gui_mch_get_font(font_name, FALSE);
837 if (font != NOFONT)
838 break;
840 if (font == NOFONT)
841 return FAIL;
844 gui_mch_free_font(gui.wide_font);
845 #ifdef HAVE_GTK2
846 /* Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. */
847 if (font != NOFONT && gui.norm_font != NOFONT
848 && pango_font_description_equal(font, gui.norm_font))
850 gui.wide_font = NOFONT;
851 gui_mch_free_font(font);
853 else
854 #endif
855 gui.wide_font = font;
856 return OK;
858 #endif
860 void
861 gui_set_cursor(row, col)
862 int row;
863 int col;
865 gui.row = row;
866 gui.col = col;
870 * gui_check_pos - check if the cursor is on the screen.
872 static void
873 gui_check_pos()
875 if (gui.row >= screen_Rows)
876 gui.row = screen_Rows - 1;
877 if (gui.col >= screen_Columns)
878 gui.col = screen_Columns - 1;
879 if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns)
880 gui.cursor_is_valid = FALSE;
884 * Redraw the cursor if necessary or when forced.
885 * Careful: The contents of ScreenLines[] must match what is on the screen,
886 * otherwise this goes wrong. May need to call out_flush() first.
888 void
889 gui_update_cursor(force, clear_selection)
890 int force; /* when TRUE, update even when not moved */
891 int clear_selection;/* clear selection under cursor */
893 int cur_width = 0;
894 int cur_height = 0;
895 int old_hl_mask;
896 int idx;
897 int id;
898 guicolor_T cfg, cbg, cc; /* cursor fore-/background color */
899 int cattr; /* cursor attributes */
900 int attr;
901 attrentry_T *aep = NULL;
903 /* Don't update the cursor when halfway busy scrolling or the screen size
904 * doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then. */
905 if (!can_update_cursor || screen_Columns != gui.num_cols
906 || screen_Rows != gui.num_rows)
907 return;
909 gui_check_pos();
910 if (!gui.cursor_is_valid || force
911 || gui.row != gui.cursor_row || gui.col != gui.cursor_col)
913 gui_undraw_cursor();
914 if (gui.row < 0)
915 return;
916 #ifdef USE_IM_CONTROL
917 if (gui.row != gui.cursor_row || gui.col != gui.cursor_col)
918 im_set_position(gui.row, gui.col);
919 #endif
920 gui.cursor_row = gui.row;
921 gui.cursor_col = gui.col;
923 /* Only write to the screen after ScreenLines[] has been initialized */
924 if (!screen_cleared || ScreenLines == NULL)
925 return;
927 /* Clear the selection if we are about to write over it */
928 if (clear_selection)
929 clip_may_clear_selection(gui.row, gui.row);
930 /* Check that the cursor is inside the shell (resizing may have made
931 * it invalid) */
932 if (gui.row >= screen_Rows || gui.col >= screen_Columns)
933 return;
935 gui.cursor_is_valid = TRUE;
938 * How the cursor is drawn depends on the current mode.
940 idx = get_shape_idx(FALSE);
941 if (State & LANGMAP)
942 id = shape_table[idx].id_lm;
943 else
944 id = shape_table[idx].id;
946 /* get the colors and attributes for the cursor. Default is inverted */
947 cfg = INVALCOLOR;
948 cbg = INVALCOLOR;
949 cattr = HL_INVERSE;
950 gui_mch_set_blinking(shape_table[idx].blinkwait,
951 shape_table[idx].blinkon,
952 shape_table[idx].blinkoff);
953 if (id > 0)
955 cattr = syn_id2colors(id, &cfg, &cbg);
956 #if defined(USE_IM_CONTROL) || defined(FEAT_HANGULIN)
958 static int iid;
959 guicolor_T fg, bg;
961 if (
962 # if defined(HAVE_GTK2) && !defined(FEAT_HANGULIN)
963 preedit_get_status()
964 # else
965 im_get_status()
966 # endif
969 iid = syn_name2id((char_u *)"CursorIM");
970 if (iid > 0)
972 syn_id2colors(iid, &fg, &bg);
973 if (bg != INVALCOLOR)
974 cbg = bg;
975 if (fg != INVALCOLOR)
976 cfg = fg;
980 #endif
984 * Get the attributes for the character under the cursor.
985 * When no cursor color was given, use the character color.
987 attr = ScreenAttrs[LineOffset[gui.row] + gui.col];
988 if (attr > HL_ALL)
989 aep = syn_gui_attr2entry(attr);
990 if (aep != NULL)
992 attr = aep->ae_attr;
993 if (cfg == INVALCOLOR)
994 cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
995 : aep->ae_u.gui.fg_color);
996 if (cbg == INVALCOLOR)
997 cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
998 : aep->ae_u.gui.bg_color);
1000 if (cfg == INVALCOLOR)
1001 cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel;
1002 if (cbg == INVALCOLOR)
1003 cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel;
1005 #ifdef FEAT_XIM
1006 if (aep != NULL)
1008 xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
1009 : aep->ae_u.gui.bg_color);
1010 xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
1011 : aep->ae_u.gui.fg_color);
1012 if (xim_bg_color == INVALCOLOR)
1013 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
1014 : gui.back_pixel;
1015 if (xim_fg_color == INVALCOLOR)
1016 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel
1017 : gui.norm_pixel;
1019 else
1021 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
1022 : gui.back_pixel;
1023 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel
1024 : gui.norm_pixel;
1026 #endif
1028 attr &= ~HL_INVERSE;
1029 if (cattr & HL_INVERSE)
1031 cc = cbg;
1032 cbg = cfg;
1033 cfg = cc;
1035 cattr &= ~HL_INVERSE;
1038 * When we don't have window focus, draw a hollow cursor.
1040 if (!gui.in_focus)
1042 gui_mch_draw_hollow_cursor(cbg);
1043 return;
1046 old_hl_mask = gui.highlight_mask;
1047 if (shape_table[idx].shape == SHAPE_BLOCK
1048 #ifdef FEAT_HANGULIN
1049 || composing_hangul
1050 #endif
1054 * Draw the text character with the cursor colors. Use the
1055 * character attributes plus the cursor attributes.
1057 gui.highlight_mask = (cattr | attr);
1058 #ifdef FEAT_HANGULIN
1059 if (composing_hangul)
1060 (void)gui_outstr_nowrap(composing_hangul_buffer, 2,
1061 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0);
1062 else
1063 #endif
1064 (void)gui_screenchar(LineOffset[gui.row] + gui.col,
1065 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0);
1067 else
1069 #if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT)
1070 int col_off = FALSE;
1071 #endif
1073 * First draw the partial cursor, then overwrite with the text
1074 * character, using a transparent background.
1076 if (shape_table[idx].shape == SHAPE_VER)
1078 cur_height = gui.char_height;
1079 cur_width = (gui.char_width * shape_table[idx].percentage
1080 + 99) / 100;
1082 else
1084 cur_height = (gui.char_height * shape_table[idx].percentage
1085 + 99) / 100;
1086 cur_width = gui.char_width;
1088 #ifdef FEAT_MBYTE
1089 if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col,
1090 LineOffset[gui.row] + screen_Columns) > 1)
1092 /* Double wide character. */
1093 if (shape_table[idx].shape != SHAPE_VER)
1094 cur_width += gui.char_width;
1095 # ifdef FEAT_RIGHTLEFT
1096 if (CURSOR_BAR_RIGHT)
1098 /* gui.col points to the left halve of the character but
1099 * the vertical line needs to be on the right halve.
1100 * A double-wide horizontal line is also drawn from the
1101 * right halve in gui_mch_draw_part_cursor(). */
1102 col_off = TRUE;
1103 ++gui.col;
1105 # endif
1107 #endif
1108 gui_mch_draw_part_cursor(cur_width, cur_height, cbg);
1109 #if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT)
1110 if (col_off)
1111 --gui.col;
1112 #endif
1114 #ifndef FEAT_GUI_MSWIN /* doesn't seem to work for MSWindows */
1115 gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col];
1116 (void)gui_screenchar(LineOffset[gui.row] + gui.col,
1117 GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR,
1118 (guicolor_T)0, (guicolor_T)0, 0);
1119 #endif
1121 gui.highlight_mask = old_hl_mask;
1125 #if defined(FEAT_MENU) || defined(PROTO)
1126 void
1127 gui_position_menu()
1129 # if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
1130 if (gui.menu_is_active && gui.in_use)
1131 gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height);
1132 # endif
1134 #endif
1137 * Position the various GUI components (text area, menu). The vertical
1138 * scrollbars are NOT handled here. See gui_update_scrollbars().
1140 static void
1141 gui_position_components(total_width)
1142 int total_width UNUSED;
1144 int text_area_x;
1145 int text_area_y;
1146 int text_area_width;
1147 int text_area_height;
1149 /* avoid that moving components around generates events */
1150 ++hold_gui_events;
1152 text_area_x = 0;
1153 if (gui.which_scrollbars[SBAR_LEFT])
1154 text_area_x += gui.scrollbar_width;
1156 text_area_y = 0;
1157 #if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON))
1158 gui.menu_width = total_width;
1159 if (gui.menu_is_active)
1160 text_area_y += gui.menu_height;
1161 #endif
1162 #if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN)
1163 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1164 text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
1165 #endif
1167 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \
1168 || defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MAC))
1169 if (gui_has_tabline())
1170 text_area_y += gui.tabline_height;
1171 #endif
1173 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA))
1174 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1176 # ifdef FEAT_GUI_ATHENA
1177 gui_mch_set_toolbar_pos(0, text_area_y,
1178 gui.menu_width, gui.toolbar_height);
1179 # endif
1180 text_area_y += gui.toolbar_height;
1182 #endif
1184 text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2;
1185 text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2;
1187 gui_mch_set_text_area_pos(text_area_x,
1188 text_area_y,
1189 text_area_width,
1190 text_area_height
1191 #if defined(FEAT_XIM) && !defined(HAVE_GTK2)
1192 + xim_get_status_area_height()
1193 #endif
1195 #ifdef FEAT_MENU
1196 gui_position_menu();
1197 #endif
1198 if (gui.which_scrollbars[SBAR_BOTTOM])
1199 gui_mch_set_scrollbar_pos(&gui.bottom_sbar,
1200 text_area_x,
1201 text_area_y + text_area_height,
1202 text_area_width,
1203 gui.scrollbar_height);
1204 gui.left_sbar_x = 0;
1205 gui.right_sbar_x = text_area_x + text_area_width;
1207 --hold_gui_events;
1211 * Get the width of the widgets and decorations to the side of the text area.
1214 gui_get_base_width()
1216 int base_width;
1218 base_width = 2 * gui.border_offset;
1219 if (gui.which_scrollbars[SBAR_LEFT])
1220 base_width += gui.scrollbar_width;
1221 if (gui.which_scrollbars[SBAR_RIGHT])
1222 base_width += gui.scrollbar_width;
1223 return base_width;
1227 * Get the height of the widgets and decorations above and below the text area.
1230 gui_get_base_height()
1232 int base_height;
1234 base_height = 2 * gui.border_offset;
1235 if (gui.which_scrollbars[SBAR_BOTTOM])
1236 base_height += gui.scrollbar_height;
1237 #ifdef FEAT_GUI_GTK
1238 /* We can't take the sizes properly into account until anything is
1239 * realized. Therefore we recalculate all the values here just before
1240 * setting the size. (--mdcki) */
1241 #else
1242 # ifdef FEAT_MENU
1243 if (gui.menu_is_active)
1244 base_height += gui.menu_height;
1245 # endif
1246 # ifdef FEAT_TOOLBAR
1247 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
1248 # if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR)
1249 base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT);
1250 # else
1251 base_height += gui.toolbar_height;
1252 # endif
1253 # endif
1254 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \
1255 || defined(FEAT_GUI_MOTIF))
1256 if (gui_has_tabline())
1257 base_height += gui.tabline_height;
1258 # endif
1259 # ifdef FEAT_FOOTER
1260 if (vim_strchr(p_go, GO_FOOTER) != NULL)
1261 base_height += gui.footer_height;
1262 # endif
1263 # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
1264 base_height += gui_mch_text_area_extra_height();
1265 # endif
1266 #endif
1267 return base_height;
1271 * Should be called after the GUI shell has been resized. Its arguments are
1272 * the new width and height of the shell in pixels.
1274 void
1275 gui_resize_shell(pixel_width, pixel_height)
1276 int pixel_width;
1277 int pixel_height;
1279 static int busy = FALSE;
1281 if (!gui.shell_created) /* ignore when still initializing */
1282 return;
1285 * Can't resize the screen while it is being redrawn. Remember the new
1286 * size and handle it later.
1288 if (updating_screen || busy)
1290 new_pixel_width = pixel_width;
1291 new_pixel_height = pixel_height;
1292 return;
1295 again:
1296 busy = TRUE;
1298 /* Flush pending output before redrawing */
1299 out_flush();
1301 gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width;
1302 gui.num_rows = (pixel_height - gui_get_base_height()) / gui.char_height;
1304 gui_position_components(pixel_width);
1306 gui_reset_scroll_region();
1308 * At the "more" and ":confirm" prompt there is no redraw, put the cursor
1309 * at the last line here (why does it have to be one row too low?).
1311 if (State == ASKMORE || State == CONFIRM)
1312 gui.row = gui.num_rows;
1314 /* Only comparing Rows and Columns may be sufficient, but let's stay on
1315 * the safe side. */
1316 if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns
1317 || gui.num_rows != Rows || gui.num_cols != Columns)
1318 shell_resized();
1320 gui_update_scrollbars(TRUE);
1321 gui_update_cursor(FALSE, TRUE);
1322 #if defined(FEAT_XIM) && !defined(HAVE_GTK2)
1323 xim_set_status_area();
1324 #endif
1326 busy = FALSE;
1329 * We could have been called again while redrawing the screen.
1330 * Need to do it all again with the latest size then.
1332 if (new_pixel_height)
1334 pixel_width = new_pixel_width;
1335 pixel_height = new_pixel_height;
1336 new_pixel_width = 0;
1337 new_pixel_height = 0;
1338 goto again;
1343 * Check if gui_resize_shell() must be called.
1345 void
1346 gui_may_resize_shell()
1348 int h, w;
1350 if (new_pixel_height)
1352 /* careful: gui_resize_shell() may postpone the resize again if we
1353 * were called indirectly by it */
1354 w = new_pixel_width;
1355 h = new_pixel_height;
1356 new_pixel_width = 0;
1357 new_pixel_height = 0;
1358 gui_resize_shell(w, h);
1363 gui_get_shellsize()
1365 Rows = gui.num_rows;
1366 Columns = gui.num_cols;
1367 return OK;
1371 * Set the size of the Vim shell according to Rows and Columns.
1372 * If "fit_to_display" is TRUE then the size may be reduced to fit the window
1373 * on the screen.
1375 void
1376 gui_set_shellsize(mustset, fit_to_display, direction)
1377 int mustset UNUSED; /* set by the user */
1378 int fit_to_display;
1379 int direction; /* RESIZE_HOR, RESIZE_VER */
1381 int base_width;
1382 int base_height;
1383 int width;
1384 int height;
1385 int min_width;
1386 int min_height;
1387 int screen_w;
1388 int screen_h;
1389 #ifdef HAVE_GTK2
1390 int un_maximize = mustset;
1391 int did_adjust = 0;
1392 #endif
1393 int x = -1, y = -1;
1395 if (!gui.shell_created)
1396 return;
1398 #ifdef MSWIN
1399 /* If not setting to a user specified size and maximized, calculate the
1400 * number of characters that fit in the maximized window. */
1401 if (!mustset && gui_mch_maximized())
1403 gui_mch_newfont();
1404 return;
1406 #endif
1408 base_width = gui_get_base_width();
1409 base_height = gui_get_base_height();
1410 if (fit_to_display)
1411 /* Remember the original window position. */
1412 gui_mch_get_winpos(&x, &y);
1414 #ifdef USE_SUN_WORKSHOP
1415 if (!mustset && usingSunWorkShop
1416 && workshop_get_width_height(&width, &height))
1418 Columns = (width - base_width + gui.char_width - 1) / gui.char_width;
1419 Rows = (height - base_height + gui.char_height - 1) / gui.char_height;
1421 else
1422 #endif
1424 width = Columns * gui.char_width + base_width;
1425 height = Rows * gui.char_height + base_height;
1428 if (fit_to_display)
1430 gui_mch_get_screen_dimensions(&screen_w, &screen_h);
1431 if ((direction & RESIZE_HOR) && width > screen_w)
1433 Columns = (screen_w - base_width) / gui.char_width;
1434 if (Columns < MIN_COLUMNS)
1435 Columns = MIN_COLUMNS;
1436 width = Columns * gui.char_width + base_width;
1437 #ifdef HAVE_GTK2
1438 ++did_adjust;
1439 #endif
1441 if ((direction & RESIZE_VERT) && height > screen_h)
1443 Rows = (screen_h - base_height) / gui.char_height;
1444 check_shellsize();
1445 height = Rows * gui.char_height + base_height;
1446 #ifdef HAVE_GTK2
1447 ++did_adjust;
1448 #endif
1450 #ifdef HAVE_GTK2
1451 if (did_adjust == 2 || (width + gui.char_width >= screen_w
1452 && height + gui.char_height >= screen_h))
1453 /* don't unmaximize if at maximum size */
1454 un_maximize = FALSE;
1455 #endif
1457 gui.num_cols = Columns;
1458 gui.num_rows = Rows;
1460 min_width = base_width + MIN_COLUMNS * gui.char_width;
1461 min_height = base_height + MIN_LINES * gui.char_height;
1462 #ifdef FEAT_WINDOWS
1463 min_height += tabline_height() * gui.char_height;
1464 #endif
1466 #ifdef HAVE_GTK2
1467 if (un_maximize)
1469 /* If the window size is smaller than the screen unmaximize the
1470 * window, otherwise resizing won't work. */
1471 gui_mch_get_screen_dimensions(&screen_w, &screen_h);
1472 if ((width + gui.char_width < screen_w
1473 || height + gui.char_height * 2 < screen_h)
1474 && gui_mch_maximized())
1475 gui_mch_unmaximize();
1477 #endif
1479 gui_mch_set_shellsize(width, height, min_width, min_height,
1480 base_width, base_height, direction);
1482 if (fit_to_display && x >= 0 && y >= 0)
1484 /* Some window managers put the Vim window left of/above the screen.
1485 * Only change the position if it wasn't already negative before
1486 * (happens on MS-Windows with a secondary monitor). */
1487 gui_mch_update();
1488 if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0))
1489 gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y);
1492 gui_position_components(width);
1493 gui_update_scrollbars(TRUE);
1494 gui_reset_scroll_region();
1498 * Called when Rows and/or Columns has changed.
1500 void
1501 gui_new_shellsize()
1503 gui_reset_scroll_region();
1507 * Make scroll region cover whole screen.
1509 void
1510 gui_reset_scroll_region()
1512 gui.scroll_region_top = 0;
1513 gui.scroll_region_bot = gui.num_rows - 1;
1514 gui.scroll_region_left = 0;
1515 gui.scroll_region_right = gui.num_cols - 1;
1518 void
1519 gui_start_highlight(mask)
1520 int mask;
1522 if (mask > HL_ALL) /* highlight code */
1523 gui.highlight_mask = mask;
1524 else /* mask */
1525 gui.highlight_mask |= mask;
1528 void
1529 gui_stop_highlight(mask)
1530 int mask;
1532 if (mask > HL_ALL) /* highlight code */
1533 gui.highlight_mask = HL_NORMAL;
1534 else /* mask */
1535 gui.highlight_mask &= ~mask;
1539 * Clear a rectangular region of the screen from text pos (row1, col1) to
1540 * (row2, col2) inclusive.
1542 void
1543 gui_clear_block(row1, col1, row2, col2)
1544 int row1;
1545 int col1;
1546 int row2;
1547 int col2;
1549 /* Clear the selection if we are about to write over it */
1550 clip_may_clear_selection(row1, row2);
1552 gui_mch_clear_block(row1, col1, row2, col2);
1554 /* Invalidate cursor if it was in this block */
1555 if ( gui.cursor_row >= row1 && gui.cursor_row <= row2
1556 && gui.cursor_col >= col1 && gui.cursor_col <= col2)
1557 gui.cursor_is_valid = FALSE;
1561 * Write code to update the cursor later. This avoids the need to flush the
1562 * output buffer before calling gui_update_cursor().
1564 void
1565 gui_update_cursor_later()
1567 OUT_STR(IF_EB("\033|s", ESC_STR "|s"));
1570 void
1571 gui_write(s, len)
1572 char_u *s;
1573 int len;
1575 char_u *p;
1576 int arg1 = 0, arg2 = 0;
1577 /* this doesn't make sense, disabled until someone can explain why it
1578 * would be needed */
1579 #if 0 && (defined(RISCOS) || defined(WIN16))
1580 int force_cursor = TRUE; /* JK230798, stop Vim being smart or
1581 our redraw speed will suffer */
1582 #else
1583 int force_cursor = FALSE; /* force cursor update */
1584 #endif
1585 int force_scrollbar = FALSE;
1586 static win_T *old_curwin = NULL;
1588 /* #define DEBUG_GUI_WRITE */
1589 #ifdef DEBUG_GUI_WRITE
1591 int i;
1592 char_u *str;
1594 printf("gui_write(%d):\n ", len);
1595 for (i = 0; i < len; i++)
1596 if (s[i] == ESC)
1598 if (i != 0)
1599 printf("\n ");
1600 printf("<ESC>");
1602 else
1604 str = transchar_byte(s[i]);
1605 if (str[0] && str[1])
1606 printf("<%s>", (char *)str);
1607 else
1608 printf("%s", (char *)str);
1610 printf("\n");
1612 #endif
1613 while (len)
1615 if (s[0] == ESC && s[1] == '|')
1617 p = s + 2;
1618 if (VIM_ISDIGIT(*p))
1620 arg1 = getdigits(&p);
1621 if (p > s + len)
1622 break;
1623 if (*p == ';')
1625 ++p;
1626 arg2 = getdigits(&p);
1627 if (p > s + len)
1628 break;
1631 switch (*p)
1633 case 'C': /* Clear screen */
1634 clip_scroll_selection(9999);
1635 gui_mch_clear_all();
1636 gui.cursor_is_valid = FALSE;
1637 force_scrollbar = TRUE;
1638 break;
1639 case 'M': /* Move cursor */
1640 gui_set_cursor(arg1, arg2);
1641 break;
1642 case 's': /* force cursor (shape) update */
1643 force_cursor = TRUE;
1644 break;
1645 case 'R': /* Set scroll region */
1646 if (arg1 < arg2)
1648 gui.scroll_region_top = arg1;
1649 gui.scroll_region_bot = arg2;
1651 else
1653 gui.scroll_region_top = arg2;
1654 gui.scroll_region_bot = arg1;
1656 break;
1657 #ifdef FEAT_VERTSPLIT
1658 case 'V': /* Set vertical scroll region */
1659 if (arg1 < arg2)
1661 gui.scroll_region_left = arg1;
1662 gui.scroll_region_right = arg2;
1664 else
1666 gui.scroll_region_left = arg2;
1667 gui.scroll_region_right = arg1;
1669 break;
1670 #endif
1671 case 'd': /* Delete line */
1672 gui_delete_lines(gui.row, 1);
1673 break;
1674 case 'D': /* Delete lines */
1675 gui_delete_lines(gui.row, arg1);
1676 break;
1677 case 'i': /* Insert line */
1678 gui_insert_lines(gui.row, 1);
1679 break;
1680 case 'I': /* Insert lines */
1681 gui_insert_lines(gui.row, arg1);
1682 break;
1683 case '$': /* Clear to end-of-line */
1684 gui_clear_block(gui.row, gui.col, gui.row,
1685 (int)Columns - 1);
1686 break;
1687 case 'h': /* Turn on highlighting */
1688 gui_start_highlight(arg1);
1689 break;
1690 case 'H': /* Turn off highlighting */
1691 gui_stop_highlight(arg1);
1692 break;
1693 case 'f': /* flash the window (visual bell) */
1694 gui_mch_flash(arg1 == 0 ? 20 : arg1);
1695 break;
1696 default:
1697 p = s + 1; /* Skip the ESC */
1698 break;
1700 len -= (int)(++p - s);
1701 s = p;
1703 else if (
1704 #ifdef EBCDIC
1705 CtrlChar(s[0]) != 0 /* Ctrl character */
1706 #else
1707 s[0] < 0x20 /* Ctrl character */
1708 #endif
1709 #ifdef FEAT_SIGN_ICONS
1710 && s[0] != SIGN_BYTE
1711 # ifdef FEAT_NETBEANS_INTG
1712 && s[0] != MULTISIGN_BYTE
1713 # endif
1714 #endif
1717 if (s[0] == '\n') /* NL */
1719 gui.col = 0;
1720 if (gui.row < gui.scroll_region_bot)
1721 gui.row++;
1722 else
1723 gui_delete_lines(gui.scroll_region_top, 1);
1725 else if (s[0] == '\r') /* CR */
1727 gui.col = 0;
1729 else if (s[0] == '\b') /* Backspace */
1731 if (gui.col)
1732 --gui.col;
1734 else if (s[0] == Ctrl_L) /* cursor-right */
1736 ++gui.col;
1738 else if (s[0] == Ctrl_G) /* Beep */
1740 gui_mch_beep();
1742 /* Other Ctrl character: shouldn't happen! */
1744 --len; /* Skip this char */
1745 ++s;
1747 else
1749 p = s;
1750 while (len > 0 && (
1751 #ifdef EBCDIC
1752 CtrlChar(*p) == 0
1753 #else
1754 *p >= 0x20
1755 #endif
1756 #ifdef FEAT_SIGN_ICONS
1757 || *p == SIGN_BYTE
1758 # ifdef FEAT_NETBEANS_INTG
1759 || *p == MULTISIGN_BYTE
1760 # endif
1761 #endif
1764 len--;
1765 p++;
1767 gui_outstr(s, (int)(p - s));
1768 s = p;
1772 /* Postponed update of the cursor (won't work if "can_update_cursor" isn't
1773 * set). */
1774 if (force_cursor)
1775 gui_update_cursor(TRUE, TRUE);
1777 /* When switching to another window the dragging must have stopped.
1778 * Required for GTK, dragged_sb isn't reset. */
1779 if (old_curwin != curwin)
1780 gui.dragged_sb = SBAR_NONE;
1782 /* Update the scrollbars after clearing the screen or when switched
1783 * to another window.
1784 * Update the horizontal scrollbar always, it's difficult to check all
1785 * situations where it might change. */
1786 if (force_scrollbar || old_curwin != curwin)
1787 gui_update_scrollbars(force_scrollbar);
1788 else
1789 gui_update_horiz_scrollbar(FALSE);
1790 old_curwin = curwin;
1793 * We need to make sure this is cleared since Athena doesn't tell us when
1794 * he is done dragging. Do the same for GTK.
1796 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK)
1797 gui.dragged_sb = SBAR_NONE;
1798 #endif
1800 gui_mch_flush(); /* In case vim decides to take a nap */
1804 * When ScreenLines[] is invalid, updating the cursor should not be done, it
1805 * produces wrong results. Call gui_dont_update_cursor() before that code and
1806 * gui_can_update_cursor() afterwards.
1808 void
1809 gui_dont_update_cursor()
1811 if (gui.in_use)
1813 /* Undraw the cursor now, we probably can't do it after the change. */
1814 gui_undraw_cursor();
1815 can_update_cursor = FALSE;
1819 void
1820 gui_can_update_cursor()
1822 can_update_cursor = TRUE;
1823 /* No need to update the cursor right now, there is always more output
1824 * after scrolling. */
1827 static void
1828 gui_outstr(s, len)
1829 char_u *s;
1830 int len;
1832 int this_len;
1833 #ifdef FEAT_MBYTE
1834 int cells;
1835 #endif
1837 if (len == 0)
1838 return;
1840 if (len < 0)
1841 len = (int)STRLEN(s);
1843 while (len > 0)
1845 #ifdef FEAT_MBYTE
1846 if (has_mbyte)
1848 /* Find out how many chars fit in the current line. */
1849 cells = 0;
1850 for (this_len = 0; this_len < len; )
1852 cells += (*mb_ptr2cells)(s + this_len);
1853 if (gui.col + cells > Columns)
1854 break;
1855 this_len += (*mb_ptr2len)(s + this_len);
1857 if (this_len > len)
1858 this_len = len; /* don't include following composing char */
1860 else
1861 #endif
1862 if (gui.col + len > Columns)
1863 this_len = Columns - gui.col;
1864 else
1865 this_len = len;
1867 (void)gui_outstr_nowrap(s, this_len,
1868 0, (guicolor_T)0, (guicolor_T)0, 0);
1869 s += this_len;
1870 len -= this_len;
1871 #ifdef FEAT_MBYTE
1872 /* fill up for a double-width char that doesn't fit. */
1873 if (len > 0 && gui.col < Columns)
1874 (void)gui_outstr_nowrap((char_u *)" ", 1,
1875 0, (guicolor_T)0, (guicolor_T)0, 0);
1876 #endif
1877 /* The cursor may wrap to the next line. */
1878 if (gui.col >= Columns)
1880 gui.col = 0;
1881 gui.row++;
1887 * Output one character (may be one or two display cells).
1888 * Caller must check for valid "off".
1889 * Returns FAIL or OK, just like gui_outstr_nowrap().
1891 static int
1892 gui_screenchar(off, flags, fg, bg, back)
1893 int off; /* Offset from start of screen */
1894 int flags;
1895 guicolor_T fg, bg; /* colors for cursor */
1896 int back; /* backup this many chars when using bold trick */
1898 #ifdef FEAT_MBYTE
1899 char_u buf[MB_MAXBYTES + 1];
1901 /* Don't draw right halve of a double-width UTF-8 char. "cannot happen" */
1902 if (enc_utf8 && ScreenLines[off] == 0)
1903 return OK;
1905 if (enc_utf8 && ScreenLinesUC[off] != 0)
1906 /* Draw UTF-8 multi-byte character. */
1907 return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf),
1908 flags, fg, bg, back);
1910 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
1912 buf[0] = ScreenLines[off];
1913 buf[1] = ScreenLines2[off];
1914 return gui_outstr_nowrap(buf, 2, flags, fg, bg, back);
1917 /* Draw non-multi-byte character or DBCS character. */
1918 return gui_outstr_nowrap(ScreenLines + off,
1919 enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1,
1920 flags, fg, bg, back);
1921 #else
1922 return gui_outstr_nowrap(ScreenLines + off, 1, flags, fg, bg, back);
1923 #endif
1926 #ifdef HAVE_GTK2
1928 * Output the string at the given screen position. This is used in place
1929 * of gui_screenchar() where possible because Pango needs as much context
1930 * as possible to work nicely. It's a lot faster as well.
1932 static int
1933 gui_screenstr(off, len, flags, fg, bg, back)
1934 int off; /* Offset from start of screen */
1935 int len; /* string length in screen cells */
1936 int flags;
1937 guicolor_T fg, bg; /* colors for cursor */
1938 int back; /* backup this many chars when using bold trick */
1940 char_u *buf;
1941 int outlen = 0;
1942 int i;
1943 int retval;
1945 if (len <= 0) /* "cannot happen"? */
1946 return OK;
1948 if (enc_utf8)
1950 buf = alloc((unsigned)(len * MB_MAXBYTES + 1));
1951 if (buf == NULL)
1952 return OK; /* not much we could do here... */
1954 for (i = off; i < off + len; ++i)
1956 if (ScreenLines[i] == 0)
1957 continue; /* skip second half of double-width char */
1959 if (ScreenLinesUC[i] == 0)
1960 buf[outlen++] = ScreenLines[i];
1961 else
1962 outlen += utfc_char2bytes(i, buf + outlen);
1965 buf[outlen] = NUL; /* only to aid debugging */
1966 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back);
1967 vim_free(buf);
1969 return retval;
1971 else if (enc_dbcs == DBCS_JPNU)
1973 buf = alloc((unsigned)(len * 2 + 1));
1974 if (buf == NULL)
1975 return OK; /* not much we could do here... */
1977 for (i = off; i < off + len; ++i)
1979 buf[outlen++] = ScreenLines[i];
1981 /* handle double-byte single-width char */
1982 if (ScreenLines[i] == 0x8e)
1983 buf[outlen++] = ScreenLines2[i];
1984 else if (MB_BYTE2LEN(ScreenLines[i]) == 2)
1985 buf[outlen++] = ScreenLines[++i];
1988 buf[outlen] = NUL; /* only to aid debugging */
1989 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back);
1990 vim_free(buf);
1992 return retval;
1994 else
1996 return gui_outstr_nowrap(&ScreenLines[off], len,
1997 flags, fg, bg, back);
2000 #endif /* HAVE_GTK2 */
2003 * Output the given string at the current cursor position. If the string is
2004 * too long to fit on the line, then it is truncated.
2005 * "flags":
2006 * GUI_MON_IS_CURSOR should only be used when this function is being called to
2007 * actually draw (an inverted) cursor.
2008 * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparent
2009 * background.
2010 * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over
2011 * it.
2012 * Returns OK, unless "back" is non-zero and using the bold trick, then return
2013 * FAIL (the caller should start drawing "back" chars back).
2016 gui_outstr_nowrap(s, len, flags, fg, bg, back)
2017 char_u *s;
2018 int len;
2019 int flags;
2020 guicolor_T fg, bg; /* colors for cursor */
2021 int back; /* backup this many chars when using bold trick */
2023 long_u highlight_mask;
2024 long_u hl_mask_todo;
2025 guicolor_T fg_color;
2026 guicolor_T bg_color;
2027 guicolor_T sp_color;
2028 #if !defined(MSWIN16_FASTTEXT) && !defined(HAVE_GTK2)
2029 GuiFont font = NOFONT;
2030 # ifdef FEAT_XFONTSET
2031 GuiFontset fontset = NOFONTSET;
2032 # endif
2033 #endif
2034 attrentry_T *aep = NULL;
2035 int draw_flags;
2036 int col = gui.col;
2037 #ifdef FEAT_SIGN_ICONS
2038 int draw_sign = FALSE;
2039 # ifdef FEAT_NETBEANS_INTG
2040 int multi_sign = FALSE;
2041 # endif
2042 #endif
2044 if (len < 0)
2045 len = (int)STRLEN(s);
2046 if (len == 0)
2047 return OK;
2049 #ifdef FEAT_SIGN_ICONS
2050 if (*s == SIGN_BYTE
2051 # ifdef FEAT_NETBEANS_INTG
2052 || *s == MULTISIGN_BYTE
2053 # endif
2056 # ifdef FEAT_NETBEANS_INTG
2057 if (*s == MULTISIGN_BYTE)
2058 multi_sign = TRUE;
2059 # endif
2060 /* draw spaces instead */
2061 s = (char_u *)" ";
2062 if (len == 1 && col > 0)
2063 --col;
2064 len = 2;
2065 draw_sign = TRUE;
2066 highlight_mask = 0;
2068 else
2069 #endif
2070 if (gui.highlight_mask > HL_ALL)
2072 aep = syn_gui_attr2entry(gui.highlight_mask);
2073 if (aep == NULL) /* highlighting not set */
2074 highlight_mask = 0;
2075 else
2076 highlight_mask = aep->ae_attr;
2078 else
2079 highlight_mask = gui.highlight_mask;
2080 hl_mask_todo = highlight_mask;
2082 #if !defined(MSWIN16_FASTTEXT) && !defined(HAVE_GTK2)
2083 /* Set the font */
2084 if (aep != NULL && aep->ae_u.gui.font != NOFONT)
2085 font = aep->ae_u.gui.font;
2086 # ifdef FEAT_XFONTSET
2087 else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET)
2088 fontset = aep->ae_u.gui.fontset;
2089 # endif
2090 else
2092 # ifdef FEAT_XFONTSET
2093 if (gui.fontset != NOFONTSET)
2094 fontset = gui.fontset;
2095 else
2096 # endif
2097 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
2099 if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT)
2101 font = gui.boldital_font;
2102 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC);
2104 else if (gui.bold_font != NOFONT)
2106 font = gui.bold_font;
2107 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT);
2109 else
2110 font = gui.norm_font;
2112 else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT)
2114 font = gui.ital_font;
2115 hl_mask_todo &= ~HL_ITALIC;
2117 else
2118 font = gui.norm_font;
2120 # ifdef FEAT_XFONTSET
2121 if (fontset != NOFONTSET)
2122 gui_mch_set_fontset(fontset);
2123 else
2124 # endif
2125 gui_mch_set_font(font);
2126 #endif
2128 draw_flags = 0;
2130 /* Set the color */
2131 bg_color = gui.back_pixel;
2132 if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus)
2134 draw_flags |= DRAW_CURSOR;
2135 fg_color = fg;
2136 bg_color = bg;
2137 sp_color = fg;
2139 else if (aep != NULL)
2141 fg_color = aep->ae_u.gui.fg_color;
2142 if (fg_color == INVALCOLOR)
2143 fg_color = gui.norm_pixel;
2144 bg_color = aep->ae_u.gui.bg_color;
2145 if (bg_color == INVALCOLOR)
2146 bg_color = gui.back_pixel;
2147 sp_color = aep->ae_u.gui.sp_color;
2148 if (sp_color == INVALCOLOR)
2149 sp_color = fg_color;
2151 else
2153 fg_color = gui.norm_pixel;
2154 sp_color = fg_color;
2157 if (highlight_mask & (HL_INVERSE | HL_STANDOUT))
2159 #if defined(AMIGA) || defined(RISCOS)
2160 gui_mch_set_colors(bg_color, fg_color);
2161 #else
2162 gui_mch_set_fg_color(bg_color);
2163 gui_mch_set_bg_color(fg_color);
2164 #endif
2166 else
2168 #if defined(AMIGA) || defined(RISCOS)
2169 gui_mch_set_colors(fg_color, bg_color);
2170 #else
2171 gui_mch_set_fg_color(fg_color);
2172 gui_mch_set_bg_color(bg_color);
2173 #endif
2175 gui_mch_set_sp_color(sp_color);
2177 /* Clear the selection if we are about to write over it */
2178 if (!(flags & GUI_MON_NOCLEAR))
2179 clip_may_clear_selection(gui.row, gui.row);
2182 #ifndef MSWIN16_FASTTEXT
2183 /* If there's no bold font, then fake it */
2184 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
2185 draw_flags |= DRAW_BOLD;
2186 #endif
2189 * When drawing bold or italic characters the spill-over from the left
2190 * neighbor may be destroyed. Let the caller backup to start redrawing
2191 * just after a blank.
2193 if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC)))
2194 return FAIL;
2196 #if defined(RISCOS) || defined(HAVE_GTK2)
2197 /* If there's no italic font, then fake it.
2198 * For GTK2, we don't need a different font for italic style. */
2199 if (hl_mask_todo & HL_ITALIC)
2200 draw_flags |= DRAW_ITALIC;
2202 /* Do we underline the text? */
2203 if (hl_mask_todo & HL_UNDERLINE)
2204 draw_flags |= DRAW_UNDERL;
2205 #else
2206 /* Do we underline the text? */
2207 if ((hl_mask_todo & HL_UNDERLINE)
2208 # ifndef MSWIN16_FASTTEXT
2209 || (hl_mask_todo & HL_ITALIC)
2210 # endif
2212 draw_flags |= DRAW_UNDERL;
2213 #endif
2214 /* Do we undercurl the text? */
2215 if (hl_mask_todo & HL_UNDERCURL)
2216 draw_flags |= DRAW_UNDERC;
2218 /* Do we draw transparently? */
2219 if (flags & GUI_MON_TRS_CURSOR)
2220 draw_flags |= DRAW_TRANSP;
2223 * Draw the text.
2225 #ifdef HAVE_GTK2
2226 /* The value returned is the length in display cells */
2227 len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags);
2228 #else
2229 # ifdef FEAT_MBYTE
2230 if (enc_utf8)
2232 int start; /* index of bytes to be drawn */
2233 int cells; /* cellwidth of bytes to be drawn */
2234 int thislen; /* length of bytes to be drawin */
2235 int cn; /* cellwidth of current char */
2236 int i; /* index of current char */
2237 int c; /* current char value */
2238 int cl; /* byte length of current char */
2239 int comping; /* current char is composing */
2240 int scol = col; /* screen column */
2241 int dowide; /* use 'guifontwide' */
2243 /* Break the string at a composing character, it has to be drawn on
2244 * top of the previous character. */
2245 start = 0;
2246 cells = 0;
2247 for (i = 0; i < len; i += cl)
2249 c = utf_ptr2char(s + i);
2250 cn = utf_char2cells(c);
2251 if (cn > 1
2252 # ifdef FEAT_XFONTSET
2253 && fontset == NOFONTSET
2254 # endif
2255 && gui.wide_font != NOFONT)
2256 dowide = TRUE;
2257 else
2258 dowide = FALSE;
2259 comping = utf_iscomposing(c);
2260 if (!comping) /* count cells from non-composing chars */
2261 cells += cn;
2262 cl = utf_ptr2len(s + i);
2263 if (cl == 0) /* hit end of string */
2264 len = i + cl; /* len must be wrong "cannot happen" */
2266 /* print the string so far if it's the last character or there is
2267 * a composing character. */
2268 if (i + cl >= len || (comping && i > start) || dowide
2269 # if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
2270 || (cn > 1
2271 # ifdef FEAT_XFONTSET
2272 /* No fontset: At least draw char after wide char at
2273 * right position. */
2274 && fontset == NOFONTSET
2275 # endif
2277 # endif
2280 if (comping || dowide)
2281 thislen = i - start;
2282 else
2283 thislen = i - start + cl;
2284 if (thislen > 0)
2286 gui_mch_draw_string(gui.row, scol, s + start, thislen,
2287 draw_flags);
2288 start += thislen;
2290 scol += cells;
2291 cells = 0;
2292 if (dowide)
2294 gui_mch_set_font(gui.wide_font);
2295 gui_mch_draw_string(gui.row, scol - cn,
2296 s + start, cl, draw_flags);
2297 gui_mch_set_font(font);
2298 start += cl;
2301 # if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
2302 /* No fontset: draw a space to fill the gap after a wide char
2303 * */
2304 if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0
2305 # ifdef FEAT_XFONTSET
2306 && fontset == NOFONTSET
2307 # endif
2308 && !dowide)
2309 gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ",
2310 1, draw_flags);
2311 # endif
2313 /* Draw a composing char on top of the previous char. */
2314 if (comping)
2316 # if (defined(__APPLE_CC__) || defined(__MRC__)) && TARGET_API_MAC_CARBON
2317 /* Carbon ATSUI autodraws composing char over previous char */
2318 gui_mch_draw_string(gui.row, scol, s + i, cl,
2319 draw_flags | DRAW_TRANSP);
2320 # else
2321 gui_mch_draw_string(gui.row, scol - cn, s + i, cl,
2322 draw_flags | DRAW_TRANSP);
2323 # endif
2324 start = i + cl;
2327 /* The stuff below assumes "len" is the length in screen columns. */
2328 len = scol - col;
2330 else
2331 # endif
2333 gui_mch_draw_string(gui.row, col, s, len, draw_flags);
2334 # ifdef FEAT_MBYTE
2335 if (enc_dbcs == DBCS_JPNU)
2337 int clen = 0;
2338 int i;
2340 /* Get the length in display cells, this can be different from the
2341 * number of bytes for "euc-jp". */
2342 for (i = 0; i < len; i += (*mb_ptr2len)(s + i))
2343 clen += (*mb_ptr2cells)(s + i);
2344 len = clen;
2346 # endif
2348 #endif /* !HAVE_GTK2 */
2350 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR)))
2351 gui.col = col + len;
2353 /* May need to invert it when it's part of the selection. */
2354 if (flags & GUI_MON_NOCLEAR)
2355 clip_may_redraw_selection(gui.row, col, len);
2357 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR)))
2359 /* Invalidate the old physical cursor position if we wrote over it */
2360 if (gui.cursor_row == gui.row
2361 && gui.cursor_col >= col
2362 && gui.cursor_col < col + len)
2363 gui.cursor_is_valid = FALSE;
2366 #ifdef FEAT_SIGN_ICONS
2367 if (draw_sign)
2368 /* Draw the sign on top of the spaces. */
2369 gui_mch_drawsign(gui.row, col, gui.highlight_mask);
2370 # ifdef FEAT_NETBEANS_INTG
2371 if (multi_sign)
2372 netbeans_draw_multisign_indicator(gui.row);
2373 # endif
2374 #endif
2376 return OK;
2380 * Un-draw the cursor. Actually this just redraws the character at the given
2381 * position. The character just before it too, for when it was in bold.
2383 void
2384 gui_undraw_cursor()
2386 if (gui.cursor_is_valid)
2388 #ifdef FEAT_HANGULIN
2389 if (composing_hangul
2390 && gui.col == gui.cursor_col && gui.row == gui.cursor_row)
2391 (void)gui_outstr_nowrap(composing_hangul_buffer, 2,
2392 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR,
2393 gui.norm_pixel, gui.back_pixel, 0);
2394 else
2396 #endif
2397 if (gui_redraw_block(gui.cursor_row, gui.cursor_col,
2398 gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR)
2399 && gui.cursor_col > 0)
2400 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col - 1,
2401 gui.cursor_row, gui.cursor_col - 1, GUI_MON_NOCLEAR);
2402 #ifdef FEAT_HANGULIN
2403 if (composing_hangul)
2404 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col + 1,
2405 gui.cursor_row, gui.cursor_col + 1, GUI_MON_NOCLEAR);
2407 #endif
2408 /* Cursor_is_valid is reset when the cursor is undrawn, also reset it
2409 * here in case it wasn't needed to undraw it. */
2410 gui.cursor_is_valid = FALSE;
2414 void
2415 gui_redraw(x, y, w, h)
2416 int x;
2417 int y;
2418 int w;
2419 int h;
2421 int row1, col1, row2, col2;
2423 row1 = Y_2_ROW(y);
2424 col1 = X_2_COL(x);
2425 row2 = Y_2_ROW(y + h - 1);
2426 col2 = X_2_COL(x + w - 1);
2428 (void)gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR);
2431 * We may need to redraw the cursor, but don't take it upon us to change
2432 * its location after a scroll.
2433 * (maybe be more strict even and test col too?)
2434 * These things may be outside the update/clipping region and reality may
2435 * not reflect Vims internal ideas if these operations are clipped away.
2437 if (gui.row == gui.cursor_row)
2438 gui_update_cursor(TRUE, TRUE);
2442 * Draw a rectangular block of characters, from row1 to row2 (inclusive) and
2443 * from col1 to col2 (inclusive).
2444 * Return TRUE when the character before the first drawn character has
2445 * different attributes (may have to be redrawn too).
2448 gui_redraw_block(row1, col1, row2, col2, flags)
2449 int row1;
2450 int col1;
2451 int row2;
2452 int col2;
2453 int flags; /* flags for gui_outstr_nowrap() */
2455 int old_row, old_col;
2456 long_u old_hl_mask;
2457 int off;
2458 sattr_T first_attr;
2459 int idx, len;
2460 int back, nback;
2461 int retval = FALSE;
2462 #ifdef FEAT_MBYTE
2463 int orig_col1, orig_col2;
2464 #endif
2466 /* Don't try to update when ScreenLines is not valid */
2467 if (!screen_cleared || ScreenLines == NULL)
2468 return retval;
2470 /* Don't try to draw outside the shell! */
2471 /* Check everything, strange values may be caused by a big border width */
2472 col1 = check_col(col1);
2473 col2 = check_col(col2);
2474 row1 = check_row(row1);
2475 row2 = check_row(row2);
2477 /* Remember where our cursor was */
2478 old_row = gui.row;
2479 old_col = gui.col;
2480 old_hl_mask = gui.highlight_mask;
2481 #ifdef FEAT_MBYTE
2482 orig_col1 = col1;
2483 orig_col2 = col2;
2484 #endif
2486 for (gui.row = row1; gui.row <= row2; gui.row++)
2488 #ifdef FEAT_MBYTE
2489 /* When only half of a double-wide character is in the block, include
2490 * the other half. */
2491 col1 = orig_col1;
2492 col2 = orig_col2;
2493 off = LineOffset[gui.row];
2494 if (enc_dbcs != 0)
2496 if (col1 > 0)
2497 col1 -= dbcs_screen_head_off(ScreenLines + off,
2498 ScreenLines + off + col1);
2499 col2 += dbcs_screen_tail_off(ScreenLines + off,
2500 ScreenLines + off + col2);
2502 else if (enc_utf8)
2504 if (ScreenLines[off + col1] == 0)
2505 --col1;
2506 # ifdef HAVE_GTK2
2507 if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0)
2508 ++col2;
2509 # endif
2511 #endif
2512 gui.col = col1;
2513 off = LineOffset[gui.row] + gui.col;
2514 len = col2 - col1 + 1;
2516 /* Find how many chars back this highlighting starts, or where a space
2517 * is. Needed for when the bold trick is used */
2518 for (back = 0; back < col1; ++back)
2519 if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off]
2520 || ScreenLines[off - 1 - back] == ' ')
2521 break;
2522 retval = (col1 > 0 && ScreenAttrs[off - 1] != 0 && back == 0
2523 && ScreenLines[off - 1] != ' ');
2525 /* Break it up in strings of characters with the same attributes. */
2526 /* Print UTF-8 characters individually. */
2527 while (len > 0)
2529 first_attr = ScreenAttrs[off];
2530 gui.highlight_mask = first_attr;
2531 #if defined(FEAT_MBYTE) && !defined(HAVE_GTK2)
2532 if (enc_utf8 && ScreenLinesUC[off] != 0)
2534 /* output multi-byte character separately */
2535 nback = gui_screenchar(off, flags,
2536 (guicolor_T)0, (guicolor_T)0, back);
2537 if (gui.col < Columns && ScreenLines[off + 1] == 0)
2538 idx = 2;
2539 else
2540 idx = 1;
2542 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
2544 /* output double-byte, single-width character separately */
2545 nback = gui_screenchar(off, flags,
2546 (guicolor_T)0, (guicolor_T)0, back);
2547 idx = 1;
2549 else
2550 #endif
2552 #ifdef HAVE_GTK2
2553 for (idx = 0; idx < len; ++idx)
2555 if (enc_utf8 && ScreenLines[off + idx] == 0)
2556 continue; /* skip second half of double-width char */
2557 if (ScreenAttrs[off + idx] != first_attr)
2558 break;
2560 /* gui_screenstr() takes care of multibyte chars */
2561 nback = gui_screenstr(off, idx, flags,
2562 (guicolor_T)0, (guicolor_T)0, back);
2563 #else
2564 for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr;
2565 idx++)
2567 # ifdef FEAT_MBYTE
2568 /* Stop at a multi-byte Unicode character. */
2569 if (enc_utf8 && ScreenLinesUC[off + idx] != 0)
2570 break;
2571 if (enc_dbcs == DBCS_JPNU)
2573 /* Stop at a double-byte single-width char. */
2574 if (ScreenLines[off + idx] == 0x8e)
2575 break;
2576 if (len > 1 && (*mb_ptr2len)(ScreenLines
2577 + off + idx) == 2)
2578 ++idx; /* skip second byte of double-byte char */
2580 # endif
2582 nback = gui_outstr_nowrap(ScreenLines + off, idx, flags,
2583 (guicolor_T)0, (guicolor_T)0, back);
2584 #endif
2586 if (nback == FAIL)
2588 /* Must back up to start drawing where a bold or italic word
2589 * starts. */
2590 off -= back;
2591 len += back;
2592 gui.col -= back;
2594 else
2596 off += idx;
2597 len -= idx;
2599 back = 0;
2603 /* Put the cursor back where it was */
2604 gui.row = old_row;
2605 gui.col = old_col;
2606 gui.highlight_mask = (int)old_hl_mask;
2608 return retval;
2611 static void
2612 gui_delete_lines(row, count)
2613 int row;
2614 int count;
2616 if (count <= 0)
2617 return;
2619 if (row + count > gui.scroll_region_bot)
2620 /* Scrolled out of region, just blank the lines out */
2621 gui_clear_block(row, gui.scroll_region_left,
2622 gui.scroll_region_bot, gui.scroll_region_right);
2623 else
2625 gui_mch_delete_lines(row, count);
2627 /* If the cursor was in the deleted lines it's now gone. If the
2628 * cursor was in the scrolled lines adjust its position. */
2629 if (gui.cursor_row >= row
2630 && gui.cursor_col >= gui.scroll_region_left
2631 && gui.cursor_col <= gui.scroll_region_right)
2633 if (gui.cursor_row < row + count)
2634 gui.cursor_is_valid = FALSE;
2635 else if (gui.cursor_row <= gui.scroll_region_bot)
2636 gui.cursor_row -= count;
2641 static void
2642 gui_insert_lines(row, count)
2643 int row;
2644 int count;
2646 if (count <= 0)
2647 return;
2649 if (row + count > gui.scroll_region_bot)
2650 /* Scrolled out of region, just blank the lines out */
2651 gui_clear_block(row, gui.scroll_region_left,
2652 gui.scroll_region_bot, gui.scroll_region_right);
2653 else
2655 gui_mch_insert_lines(row, count);
2657 if (gui.cursor_row >= gui.row
2658 && gui.cursor_col >= gui.scroll_region_left
2659 && gui.cursor_col <= gui.scroll_region_right)
2661 if (gui.cursor_row <= gui.scroll_region_bot - count)
2662 gui.cursor_row += count;
2663 else if (gui.cursor_row <= gui.scroll_region_bot)
2664 gui.cursor_is_valid = FALSE;
2670 * The main GUI input routine. Waits for a character from the keyboard.
2671 * wtime == -1 Wait forever.
2672 * wtime == 0 Don't wait.
2673 * wtime > 0 Wait wtime milliseconds for a character.
2674 * Returns OK if a character was found to be available within the given time,
2675 * or FAIL otherwise.
2678 gui_wait_for_chars(wtime)
2679 long wtime;
2681 int retval;
2684 * If we're going to wait a bit, update the menus and mouse shape for the
2685 * current State.
2687 if (wtime != 0)
2689 #ifdef FEAT_MENU
2690 gui_update_menus(0);
2691 #endif
2694 gui_mch_update();
2695 if (input_available()) /* Got char, return immediately */
2696 return OK;
2697 if (wtime == 0) /* Don't wait for char */
2698 return FAIL;
2700 /* Before waiting, flush any output to the screen. */
2701 gui_mch_flush();
2703 if (wtime > 0)
2705 /* Blink when waiting for a character. Probably only does something
2706 * for showmatch() */
2707 gui_mch_start_blink();
2708 retval = gui_mch_wait_for_chars(wtime);
2709 gui_mch_stop_blink();
2710 return retval;
2714 * While we are waiting indefinitely for a character, blink the cursor.
2716 gui_mch_start_blink();
2718 retval = FAIL;
2720 * We may want to trigger the CursorHold event. First wait for
2721 * 'updatetime' and if nothing is typed within that time put the
2722 * K_CURSORHOLD key in the input buffer.
2724 if (gui_mch_wait_for_chars(p_ut) == OK)
2725 retval = OK;
2726 #ifdef FEAT_AUTOCMD
2727 else if (trigger_cursorhold())
2729 char_u buf[3];
2731 /* Put K_CURSORHOLD in the input buffer. */
2732 buf[0] = CSI;
2733 buf[1] = KS_EXTRA;
2734 buf[2] = (int)KE_CURSORHOLD;
2735 add_to_input_buf(buf, 3);
2737 retval = OK;
2739 #endif
2741 if (retval == FAIL)
2743 /* Blocking wait. */
2744 before_blocking();
2745 retval = gui_mch_wait_for_chars(-1L);
2748 gui_mch_stop_blink();
2749 return retval;
2753 * Fill p[4] with mouse coordinates encoded for check_termcode().
2755 static void
2756 fill_mouse_coord(p, col, row)
2757 char_u *p;
2758 int col;
2759 int row;
2761 p[0] = (char_u)(col / 128 + ' ' + 1);
2762 p[1] = (char_u)(col % 128 + ' ' + 1);
2763 p[2] = (char_u)(row / 128 + ' ' + 1);
2764 p[3] = (char_u)(row % 128 + ' ' + 1);
2768 * Generic mouse support function. Add a mouse event to the input buffer with
2769 * the given properties.
2770 * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT,
2771 * MOUSE_X1, MOUSE_X2
2772 * MOUSE_DRAG, or MOUSE_RELEASE.
2773 * MOUSE_4 and MOUSE_5 are used for a scroll wheel.
2774 * x, y --- Coordinates of mouse in pixels.
2775 * repeated_click --- TRUE if this click comes only a short time after a
2776 * previous click.
2777 * modifiers --- Bit field which may be any of the following modifiers
2778 * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT.
2779 * This function will ignore drag events where the mouse has not moved to a new
2780 * character.
2782 void
2783 gui_send_mouse_event(button, x, y, repeated_click, modifiers)
2784 int button;
2785 int x;
2786 int y;
2787 int repeated_click;
2788 int_u modifiers;
2790 static int prev_row = 0, prev_col = 0;
2791 static int prev_button = -1;
2792 static int num_clicks = 1;
2793 char_u string[10];
2794 enum key_extra button_char;
2795 int row, col;
2796 #ifdef FEAT_CLIPBOARD
2797 int checkfor;
2798 int did_clip = FALSE;
2799 #endif
2802 * Scrolling may happen at any time, also while a selection is present.
2804 switch (button)
2806 case MOUSE_X1:
2807 button_char = KE_X1MOUSE;
2808 goto button_set;
2809 case MOUSE_X2:
2810 button_char = KE_X2MOUSE;
2811 goto button_set;
2812 case MOUSE_4:
2813 button_char = KE_MOUSEDOWN;
2814 goto button_set;
2815 case MOUSE_5:
2816 button_char = KE_MOUSEUP;
2817 button_set:
2819 /* Don't put events in the input queue now. */
2820 if (hold_gui_events)
2821 return;
2823 string[3] = CSI;
2824 string[4] = KS_EXTRA;
2825 string[5] = (int)button_char;
2827 /* Pass the pointer coordinates of the scroll event so that we
2828 * know which window to scroll. */
2829 row = gui_xy2colrow(x, y, &col);
2830 string[6] = (char_u)(col / 128 + ' ' + 1);
2831 string[7] = (char_u)(col % 128 + ' ' + 1);
2832 string[8] = (char_u)(row / 128 + ' ' + 1);
2833 string[9] = (char_u)(row % 128 + ' ' + 1);
2835 if (modifiers == 0)
2836 add_to_input_buf(string + 3, 7);
2837 else
2839 string[0] = CSI;
2840 string[1] = KS_MODIFIER;
2841 string[2] = 0;
2842 if (modifiers & MOUSE_SHIFT)
2843 string[2] |= MOD_MASK_SHIFT;
2844 if (modifiers & MOUSE_CTRL)
2845 string[2] |= MOD_MASK_CTRL;
2846 if (modifiers & MOUSE_ALT)
2847 string[2] |= MOD_MASK_ALT;
2848 add_to_input_buf(string, 10);
2850 return;
2854 #ifdef FEAT_CLIPBOARD
2855 /* If a clipboard selection is in progress, handle it */
2856 if (clip_star.state == SELECT_IN_PROGRESS)
2858 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click);
2859 return;
2862 /* Determine which mouse settings to look for based on the current mode */
2863 switch (get_real_state())
2865 case NORMAL_BUSY:
2866 case OP_PENDING:
2867 case NORMAL: checkfor = MOUSE_NORMAL; break;
2868 case VISUAL: checkfor = MOUSE_VISUAL; break;
2869 case SELECTMODE: checkfor = MOUSE_VISUAL; break;
2870 case REPLACE:
2871 case REPLACE+LANGMAP:
2872 #ifdef FEAT_VREPLACE
2873 case VREPLACE:
2874 case VREPLACE+LANGMAP:
2875 #endif
2876 case INSERT:
2877 case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break;
2878 case ASKMORE:
2879 case HITRETURN: /* At the more- and hit-enter prompt pass the
2880 mouse event for a click on or below the
2881 message line. */
2882 if (Y_2_ROW(y) >= msg_row)
2883 checkfor = MOUSE_NORMAL;
2884 else
2885 checkfor = MOUSE_RETURN;
2886 break;
2889 * On the command line, use the clipboard selection on all lines
2890 * but the command line. But not when pasting.
2892 case CMDLINE:
2893 case CMDLINE+LANGMAP:
2894 if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE)
2895 checkfor = MOUSE_NONE;
2896 else
2897 checkfor = MOUSE_COMMAND;
2898 break;
2900 default:
2901 checkfor = MOUSE_NONE;
2902 break;
2906 * Allow clipboard selection of text on the command line in "normal"
2907 * modes. Don't do this when dragging the status line, or extending a
2908 * Visual selection.
2910 if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT))
2911 && Y_2_ROW(y) >= topframe->fr_height
2912 # ifdef FEAT_WINDOWS
2913 + firstwin->w_winrow
2914 # endif
2915 && button != MOUSE_DRAG
2916 # ifdef FEAT_MOUSESHAPE
2917 && !drag_status_line
2918 # ifdef FEAT_VERTSPLIT
2919 && !drag_sep_line
2920 # endif
2921 # endif
2923 checkfor = MOUSE_NONE;
2926 * Use modeless selection when holding CTRL and SHIFT pressed.
2928 if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT))
2929 checkfor = MOUSE_NONEF;
2932 * In Ex mode, always use modeless selection.
2934 if (exmode_active)
2935 checkfor = MOUSE_NONE;
2938 * If the mouse settings say to not use the mouse, use the modeless
2939 * selection. But if Visual is active, assume that only the Visual area
2940 * will be selected.
2941 * Exception: On the command line, both the selection is used and a mouse
2942 * key is send.
2944 if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND)
2946 #ifdef FEAT_VISUAL
2947 /* Don't do modeless selection in Visual mode. */
2948 if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL))
2949 return;
2950 #endif
2953 * When 'mousemodel' is "popup", shift-left is translated to right.
2954 * But not when also using Ctrl.
2956 if (mouse_model_popup() && button == MOUSE_LEFT
2957 && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL))
2959 button = MOUSE_RIGHT;
2960 modifiers &= ~ MOUSE_SHIFT;
2963 /* If the selection is done, allow the right button to extend it.
2964 * If the selection is cleared, allow the right button to start it
2965 * from the cursor position. */
2966 if (button == MOUSE_RIGHT)
2968 if (clip_star.state == SELECT_CLEARED)
2970 if (State & CMDLINE)
2972 col = msg_col;
2973 row = msg_row;
2975 else
2977 col = curwin->w_wcol;
2978 row = curwin->w_wrow + W_WINROW(curwin);
2980 clip_start_selection(col, row, FALSE);
2982 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y),
2983 repeated_click);
2984 did_clip = TRUE;
2986 /* Allow the left button to start the selection */
2987 else if (button ==
2988 # ifdef RISCOS
2989 /* Only start a drag on a drag event. Otherwise
2990 * we don't get a release event. */
2991 MOUSE_DRAG
2992 # else
2993 MOUSE_LEFT
2994 # endif
2997 clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click);
2998 did_clip = TRUE;
3000 # ifdef RISCOS
3001 else if (button == MOUSE_LEFT)
3003 clip_clear_selection();
3004 did_clip = TRUE;
3006 # endif
3008 /* Always allow pasting */
3009 if (button != MOUSE_MIDDLE)
3011 if (!mouse_has(checkfor) || button == MOUSE_RELEASE)
3012 return;
3013 if (checkfor != MOUSE_COMMAND)
3014 button = MOUSE_LEFT;
3016 repeated_click = FALSE;
3019 if (clip_star.state != SELECT_CLEARED && !did_clip)
3020 clip_clear_selection();
3021 #endif
3023 /* Don't put events in the input queue now. */
3024 if (hold_gui_events)
3025 return;
3027 row = gui_xy2colrow(x, y, &col);
3030 * If we are dragging and the mouse hasn't moved far enough to be on a
3031 * different character, then don't send an event to vim.
3033 if (button == MOUSE_DRAG)
3035 if (row == prev_row && col == prev_col)
3036 return;
3037 /* Dragging above the window, set "row" to -1 to cause a scroll. */
3038 if (y < 0)
3039 row = -1;
3043 * If topline has changed (window scrolled) since the last click, reset
3044 * repeated_click, because we don't want starting Visual mode when
3045 * clicking on a different character in the text.
3047 if (curwin->w_topline != gui_prev_topline
3048 #ifdef FEAT_DIFF
3049 || curwin->w_topfill != gui_prev_topfill
3050 #endif
3052 repeated_click = FALSE;
3054 string[0] = CSI; /* this sequence is recognized by check_termcode() */
3055 string[1] = KS_MOUSE;
3056 string[2] = KE_FILLER;
3057 if (button != MOUSE_DRAG && button != MOUSE_RELEASE)
3059 if (repeated_click)
3062 * Handle multiple clicks. They only count if the mouse is still
3063 * pointing at the same character.
3065 if (button != prev_button || row != prev_row || col != prev_col)
3066 num_clicks = 1;
3067 else if (++num_clicks > 4)
3068 num_clicks = 1;
3070 else
3071 num_clicks = 1;
3072 prev_button = button;
3073 gui_prev_topline = curwin->w_topline;
3074 #ifdef FEAT_DIFF
3075 gui_prev_topfill = curwin->w_topfill;
3076 #endif
3078 string[3] = (char_u)(button | 0x20);
3079 SET_NUM_MOUSE_CLICKS(string[3], num_clicks);
3081 else
3082 string[3] = (char_u)button;
3084 string[3] |= modifiers;
3085 fill_mouse_coord(string + 4, col, row);
3086 add_to_input_buf(string, 8);
3088 if (row < 0)
3089 prev_row = 0;
3090 else
3091 prev_row = row;
3092 prev_col = col;
3095 * We need to make sure this is cleared since Athena doesn't tell us when
3096 * he is done dragging. Neither does GTK+ 2 -- at least for now.
3098 #if defined(FEAT_GUI_ATHENA) || defined(HAVE_GTK2)
3099 gui.dragged_sb = SBAR_NONE;
3100 #endif
3104 * Convert x and y coordinate to column and row in text window.
3105 * Corrects for multi-byte character.
3106 * returns column in "*colp" and row as return value;
3109 gui_xy2colrow(x, y, colp)
3110 int x;
3111 int y;
3112 int *colp;
3114 int col = check_col(X_2_COL(x));
3115 int row = check_row(Y_2_ROW(y));
3117 #ifdef FEAT_MBYTE
3118 *colp = mb_fix_col(col, row);
3119 #else
3120 *colp = col;
3121 #endif
3122 return row;
3125 #if defined(FEAT_MENU) || defined(PROTO)
3127 * Callback function for when a menu entry has been selected.
3129 void
3130 gui_menu_cb(menu)
3131 vimmenu_T *menu;
3133 char_u bytes[sizeof(long_u)];
3135 /* Don't put events in the input queue now. */
3136 if (hold_gui_events)
3137 return;
3139 bytes[0] = CSI;
3140 bytes[1] = KS_MENU;
3141 bytes[2] = KE_FILLER;
3142 add_to_input_buf(bytes, 3);
3143 add_long_to_buf((long_u)menu, bytes);
3144 add_to_input_buf_csi(bytes, sizeof(long_u));
3146 #endif
3148 static int prev_which_scrollbars[3];
3151 * Set which components are present.
3152 * If "oldval" is not NULL, "oldval" is the previous value, the new value is
3153 * in p_go.
3155 void
3156 gui_init_which_components(oldval)
3157 char_u *oldval UNUSED;
3159 #ifdef FEAT_MENU
3160 static int prev_menu_is_active = -1;
3161 #endif
3162 #ifdef FEAT_TOOLBAR
3163 static int prev_toolbar = -1;
3164 int using_toolbar = FALSE;
3165 #endif
3166 #ifdef FEAT_GUI_TABLINE
3167 int using_tabline;
3168 #endif
3169 #ifdef FEAT_FOOTER
3170 static int prev_footer = -1;
3171 int using_footer = FALSE;
3172 #endif
3173 #if defined(FEAT_MENU) && !defined(WIN16)
3174 static int prev_tearoff = -1;
3175 int using_tearoff = FALSE;
3176 #endif
3178 char_u *p;
3179 int i;
3180 #ifdef FEAT_MENU
3181 int grey_old, grey_new;
3182 char_u *temp;
3183 #endif
3184 win_T *wp;
3185 int need_set_size;
3186 int fix_size;
3188 #ifdef FEAT_MENU
3189 if (oldval != NULL && gui.in_use)
3192 * Check if the menu's go from grey to non-grey or vise versa.
3194 grey_old = (vim_strchr(oldval, GO_GREY) != NULL);
3195 grey_new = (vim_strchr(p_go, GO_GREY) != NULL);
3196 if (grey_old != grey_new)
3198 temp = p_go;
3199 p_go = oldval;
3200 gui_update_menus(MENU_ALL_MODES);
3201 p_go = temp;
3204 gui.menu_is_active = FALSE;
3205 #endif
3207 for (i = 0; i < 3; i++)
3208 gui.which_scrollbars[i] = FALSE;
3209 for (p = p_go; *p; p++)
3210 switch (*p)
3212 case GO_LEFT:
3213 gui.which_scrollbars[SBAR_LEFT] = TRUE;
3214 break;
3215 case GO_RIGHT:
3216 gui.which_scrollbars[SBAR_RIGHT] = TRUE;
3217 break;
3218 #ifdef FEAT_VERTSPLIT
3219 case GO_VLEFT:
3220 if (win_hasvertsplit())
3221 gui.which_scrollbars[SBAR_LEFT] = TRUE;
3222 break;
3223 case GO_VRIGHT:
3224 if (win_hasvertsplit())
3225 gui.which_scrollbars[SBAR_RIGHT] = TRUE;
3226 break;
3227 #endif
3228 case GO_BOT:
3229 gui.which_scrollbars[SBAR_BOTTOM] = TRUE;
3230 break;
3231 #ifdef FEAT_MENU
3232 case GO_MENUS:
3233 gui.menu_is_active = TRUE;
3234 break;
3235 #endif
3236 case GO_GREY:
3237 /* make menu's have grey items, ignored here */
3238 break;
3239 #ifdef FEAT_TOOLBAR
3240 case GO_TOOLBAR:
3241 using_toolbar = TRUE;
3242 break;
3243 #endif
3244 #ifdef FEAT_FOOTER
3245 case GO_FOOTER:
3246 using_footer = TRUE;
3247 break;
3248 #endif
3249 case GO_TEAROFF:
3250 #if defined(FEAT_MENU) && !defined(WIN16)
3251 using_tearoff = TRUE;
3252 #endif
3253 break;
3254 default:
3255 /* Ignore options that are not supported */
3256 break;
3259 if (gui.in_use)
3261 need_set_size = 0;
3262 fix_size = FALSE;
3264 #ifdef FEAT_GUI_TABLINE
3265 /* Update the GUI tab line, it may appear or disappear. This may
3266 * cause the non-GUI tab line to disappear or appear. */
3267 using_tabline = gui_has_tabline();
3268 if (!gui_mch_showing_tabline() != !using_tabline)
3270 /* We don't want a resize event change "Rows" here, save and
3271 * restore it. Resizing is handled below. */
3272 i = Rows;
3273 gui_update_tabline();
3274 Rows = i;
3275 need_set_size |= RESIZE_VERT;
3276 if (using_tabline)
3277 fix_size = TRUE;
3278 if (!gui_use_tabline())
3279 redraw_tabline = TRUE; /* may draw non-GUI tab line */
3281 #endif
3283 for (i = 0; i < 3; i++)
3285 /* The scrollbar needs to be updated when it is shown/unshown and
3286 * when switching tab pages. But the size only changes when it's
3287 * shown/unshown. Thus we need two places to remember whether a
3288 * scrollbar is there or not. */
3289 if (gui.which_scrollbars[i] != prev_which_scrollbars[i]
3290 #ifdef FEAT_WINDOWS
3291 || gui.which_scrollbars[i]
3292 != curtab->tp_prev_which_scrollbars[i]
3293 #endif
3296 if (i == SBAR_BOTTOM)
3297 gui_mch_enable_scrollbar(&gui.bottom_sbar,
3298 gui.which_scrollbars[i]);
3299 else
3301 FOR_ALL_WINDOWS(wp)
3303 gui_do_scrollbar(wp, i, gui.which_scrollbars[i]);
3306 if (gui.which_scrollbars[i] != prev_which_scrollbars[i])
3308 if (i == SBAR_BOTTOM)
3309 need_set_size |= RESIZE_VERT;
3310 else
3311 need_set_size |= RESIZE_HOR;
3312 if (gui.which_scrollbars[i])
3313 fix_size = TRUE;
3316 #ifdef FEAT_WINDOWS
3317 curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i];
3318 #endif
3319 prev_which_scrollbars[i] = gui.which_scrollbars[i];
3322 #ifdef FEAT_MENU
3323 if (gui.menu_is_active != prev_menu_is_active)
3325 /* We don't want a resize event change "Rows" here, save and
3326 * restore it. Resizing is handled below. */
3327 i = Rows;
3328 gui_mch_enable_menu(gui.menu_is_active);
3329 Rows = i;
3330 prev_menu_is_active = gui.menu_is_active;
3331 need_set_size |= RESIZE_VERT;
3332 if (gui.menu_is_active)
3333 fix_size = TRUE;
3335 #endif
3337 #ifdef FEAT_TOOLBAR
3338 if (using_toolbar != prev_toolbar)
3340 gui_mch_show_toolbar(using_toolbar);
3341 prev_toolbar = using_toolbar;
3342 need_set_size |= RESIZE_VERT;
3343 if (using_toolbar)
3344 fix_size = TRUE;
3346 #endif
3347 #ifdef FEAT_FOOTER
3348 if (using_footer != prev_footer)
3350 gui_mch_enable_footer(using_footer);
3351 prev_footer = using_footer;
3352 need_set_size |= RESIZE_VERT;
3353 if (using_footer)
3354 fix_size = TRUE;
3356 #endif
3357 #if defined(FEAT_MENU) && !defined(WIN16) && !(defined(WIN3264) && !defined(FEAT_TEAROFF))
3358 if (using_tearoff != prev_tearoff)
3360 gui_mch_toggle_tearoffs(using_tearoff);
3361 prev_tearoff = using_tearoff;
3363 #endif
3364 if (need_set_size != 0)
3366 #ifdef FEAT_GUI_GTK
3367 long prev_Columns = Columns;
3368 long prev_Rows = Rows;
3369 #endif
3370 /* Adjust the size of the window to make the text area keep the
3371 * same size and to avoid that part of our window is off-screen
3372 * and a scrollbar can't be used, for example. */
3373 gui_set_shellsize(FALSE, fix_size, need_set_size);
3375 #ifdef FEAT_GUI_GTK
3376 /* GTK has the annoying habit of sending us resize events when
3377 * changing the window size ourselves. This mostly happens when
3378 * waiting for a character to arrive, quite unpredictably, and may
3379 * change Columns and Rows when we don't want it. Wait for a
3380 * character here to avoid this effect.
3381 * If you remove this, please test this command for resizing
3382 * effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q".
3383 * Don't do this while starting up though.
3384 * Don't change Rows when adding menu/toolbar/tabline.
3385 * Don't change Columns when adding vertical toolbar. */
3386 if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR))
3387 (void)char_avail();
3388 if ((need_set_size & RESIZE_VERT) == 0)
3389 Rows = prev_Rows;
3390 if ((need_set_size & RESIZE_HOR) == 0)
3391 Columns = prev_Columns;
3392 #endif
3394 #ifdef FEAT_WINDOWS
3395 /* When the console tabline appears or disappears the window positions
3396 * change. */
3397 if (firstwin->w_winrow != tabline_height())
3398 shell_new_rows(); /* recompute window positions and heights */
3399 #endif
3403 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
3405 * Return TRUE if the GUI is taking care of the tabline.
3406 * It may still be hidden if 'showtabline' is zero.
3409 gui_use_tabline()
3411 return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL;
3415 * Return TRUE if the GUI is showing the tabline.
3416 * This uses 'showtabline'.
3418 static int
3419 gui_has_tabline()
3421 if (!gui_use_tabline()
3422 || p_stal == 0
3423 || (p_stal == 1 && first_tabpage->tp_next == NULL))
3424 return FALSE;
3425 return TRUE;
3429 * Update the tabline.
3430 * This may display/undisplay the tabline and update the labels.
3432 void
3433 gui_update_tabline()
3435 int showit = gui_has_tabline();
3436 int shown = gui_mch_showing_tabline();
3438 if (!gui.starting && starting == 0)
3440 /* Updating the tabline uses direct GUI commands, flush
3441 * outstanding instructions first. (esp. clear screen) */
3442 out_flush();
3443 gui_mch_flush();
3445 if (!showit != !shown)
3446 gui_mch_show_tabline(showit);
3447 if (showit != 0)
3448 gui_mch_update_tabline();
3450 /* When the tabs change from hidden to shown or from shown to
3451 * hidden the size of the text area should remain the same. */
3452 if (!showit != !shown)
3453 gui_set_shellsize(FALSE, showit, RESIZE_VERT);
3458 * Get the label or tooltip for tab page "tp" into NameBuff[].
3460 void
3461 get_tabline_label(tp, tooltip)
3462 tabpage_T *tp;
3463 int tooltip; /* TRUE: get tooltip */
3465 int modified = FALSE;
3466 char_u buf[40];
3467 int wincount;
3468 win_T *wp;
3469 char_u **opt;
3471 /* Use 'guitablabel' or 'guitabtooltip' if it's set. */
3472 opt = (tooltip ? &p_gtt : &p_gtl);
3473 if (**opt != NUL)
3475 int use_sandbox = FALSE;
3476 int save_called_emsg = called_emsg;
3477 char_u res[MAXPATHL];
3478 tabpage_T *save_curtab;
3479 char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip"
3480 : "guitablabel");
3482 called_emsg = FALSE;
3484 printer_page_num = tabpage_index(tp);
3485 # ifdef FEAT_EVAL
3486 set_vim_var_nr(VV_LNUM, printer_page_num);
3487 use_sandbox = was_set_insecurely(opt_name, 0);
3488 # endif
3489 /* It's almost as going to the tabpage, but without autocommands. */
3490 curtab->tp_firstwin = firstwin;
3491 curtab->tp_lastwin = lastwin;
3492 curtab->tp_curwin = curwin;
3493 save_curtab = curtab;
3494 curtab = tp;
3495 topframe = curtab->tp_topframe;
3496 firstwin = curtab->tp_firstwin;
3497 lastwin = curtab->tp_lastwin;
3498 curwin = curtab->tp_curwin;
3499 curbuf = curwin->w_buffer;
3501 /* Can't use NameBuff directly, build_stl_str_hl() uses it. */
3502 build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox,
3503 0, (int)Columns, NULL, NULL);
3504 STRCPY(NameBuff, res);
3506 /* Back to the original curtab. */
3507 curtab = save_curtab;
3508 topframe = curtab->tp_topframe;
3509 firstwin = curtab->tp_firstwin;
3510 lastwin = curtab->tp_lastwin;
3511 curwin = curtab->tp_curwin;
3512 curbuf = curwin->w_buffer;
3514 if (called_emsg)
3515 set_string_option_direct(opt_name, -1,
3516 (char_u *)"", OPT_FREE, SID_ERROR);
3517 called_emsg |= save_called_emsg;
3520 /* If 'guitablabel'/'guitabtooltip' is not set or the result is empty then
3521 * use a default label. */
3522 if (**opt == NUL || *NameBuff == NUL)
3524 /* Get the buffer name into NameBuff[] and shorten it. */
3525 get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer);
3526 if (!tooltip)
3527 shorten_dir(NameBuff);
3529 wp = (tp == curtab) ? firstwin : tp->tp_firstwin;
3530 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount)
3531 if (bufIsChanged(wp->w_buffer))
3532 modified = TRUE;
3533 if (modified || wincount > 1)
3535 if (wincount > 1)
3536 vim_snprintf((char *)buf, sizeof(buf), "%d", wincount);
3537 else
3538 buf[0] = NUL;
3539 if (modified)
3540 STRCAT(buf, "+");
3541 STRCAT(buf, " ");
3542 STRMOVE(NameBuff + STRLEN(buf), NameBuff);
3543 mch_memmove(NameBuff, buf, STRLEN(buf));
3549 * Send the event for clicking to select tab page "nr".
3550 * Returns TRUE if it was done, FALSE when skipped because we are already at
3551 * that tab page or the cmdline window is open.
3554 send_tabline_event(nr)
3555 int nr;
3557 char_u string[3];
3559 if (nr == tabpage_index(curtab))
3560 return FALSE;
3562 /* Don't put events in the input queue now. */
3563 if (hold_gui_events
3564 # ifdef FEAT_CMDWIN
3565 || cmdwin_type != 0
3566 # endif
3569 /* Set it back to the current tab page. */
3570 gui_mch_set_curtab(tabpage_index(curtab));
3571 return FALSE;
3574 string[0] = CSI;
3575 string[1] = KS_TABLINE;
3576 string[2] = KE_FILLER;
3577 add_to_input_buf(string, 3);
3578 string[0] = nr;
3579 add_to_input_buf_csi(string, 1);
3580 return TRUE;
3584 * Send a tabline menu event
3586 void
3587 send_tabline_menu_event(tabidx, event)
3588 int tabidx;
3589 int event;
3591 char_u string[3];
3593 /* Don't put events in the input queue now. */
3594 if (hold_gui_events)
3595 return;
3597 string[0] = CSI;
3598 string[1] = KS_TABMENU;
3599 string[2] = KE_FILLER;
3600 add_to_input_buf(string, 3);
3601 string[0] = tabidx;
3602 string[1] = (char_u)(long)event;
3603 add_to_input_buf_csi(string, 2);
3606 #endif
3609 * Scrollbar stuff:
3612 #if defined(FEAT_WINDOWS) || defined(PROTO)
3614 * Remove all scrollbars. Used before switching to another tab page.
3616 void
3617 gui_remove_scrollbars()
3619 int i;
3620 win_T *wp;
3622 for (i = 0; i < 3; i++)
3624 if (i == SBAR_BOTTOM)
3625 gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE);
3626 else
3628 FOR_ALL_WINDOWS(wp)
3630 gui_do_scrollbar(wp, i, FALSE);
3633 curtab->tp_prev_which_scrollbars[i] = -1;
3636 #endif
3638 void
3639 gui_create_scrollbar(sb, type, wp)
3640 scrollbar_T *sb;
3641 int type;
3642 win_T *wp;
3644 static int sbar_ident = 0;
3646 sb->ident = sbar_ident++; /* No check for too big, but would it happen? */
3647 sb->wp = wp;
3648 sb->type = type;
3649 sb->value = 0;
3650 #ifdef FEAT_GUI_ATHENA
3651 sb->pixval = 0;
3652 #endif
3653 sb->size = 1;
3654 sb->max = 1;
3655 sb->top = 0;
3656 sb->height = 0;
3657 #ifdef FEAT_VERTSPLIT
3658 sb->width = 0;
3659 #endif
3660 sb->status_height = 0;
3661 gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT);
3665 * Find the scrollbar with the given index.
3667 scrollbar_T *
3668 gui_find_scrollbar(ident)
3669 long ident;
3671 win_T *wp;
3673 if (gui.bottom_sbar.ident == ident)
3674 return &gui.bottom_sbar;
3675 FOR_ALL_WINDOWS(wp)
3677 if (wp->w_scrollbars[SBAR_LEFT].ident == ident)
3678 return &wp->w_scrollbars[SBAR_LEFT];
3679 if (wp->w_scrollbars[SBAR_RIGHT].ident == ident)
3680 return &wp->w_scrollbars[SBAR_RIGHT];
3682 return NULL;
3686 * For most systems: Put a code in the input buffer for a dragged scrollbar.
3688 * For Win32, Macintosh and GTK+ 2:
3689 * Scrollbars seem to grab focus and vim doesn't read the input queue until
3690 * you stop dragging the scrollbar. We get here each time the scrollbar is
3691 * dragged another pixel, but as far as the rest of vim goes, it thinks
3692 * we're just hanging in the call to DispatchMessage() in
3693 * process_message(). The DispatchMessage() call that hangs was passed a
3694 * mouse button click event in the scrollbar window. -- webb.
3696 * Solution: Do the scrolling right here. But only when allowed.
3697 * Ignore the scrollbars while executing an external command or when there
3698 * are still characters to be processed.
3700 void
3701 gui_drag_scrollbar(sb, value, still_dragging)
3702 scrollbar_T *sb;
3703 long value;
3704 int still_dragging;
3706 #ifdef FEAT_WINDOWS
3707 win_T *wp;
3708 #endif
3709 int sb_num;
3710 #ifdef USE_ON_FLY_SCROLL
3711 colnr_T old_leftcol = curwin->w_leftcol;
3712 # ifdef FEAT_SCROLLBIND
3713 linenr_T old_topline = curwin->w_topline;
3714 # endif
3715 # ifdef FEAT_DIFF
3716 int old_topfill = curwin->w_topfill;
3717 # endif
3718 #else
3719 char_u bytes[sizeof(long_u)];
3720 int byte_count;
3721 #endif
3723 if (sb == NULL)
3724 return;
3726 /* Don't put events in the input queue now. */
3727 if (hold_gui_events)
3728 return;
3730 #ifdef FEAT_CMDWIN
3731 if (cmdwin_type != 0 && sb->wp != curwin)
3732 return;
3733 #endif
3735 if (still_dragging)
3737 if (sb->wp == NULL)
3738 gui.dragged_sb = SBAR_BOTTOM;
3739 else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT])
3740 gui.dragged_sb = SBAR_LEFT;
3741 else
3742 gui.dragged_sb = SBAR_RIGHT;
3743 gui.dragged_wp = sb->wp;
3745 else
3747 gui.dragged_sb = SBAR_NONE;
3748 #ifdef HAVE_GTK2
3749 /* Keep the "dragged_wp" value until after the scrolling, for when the
3750 * moust button is released. GTK2 doesn't send the button-up event. */
3751 gui.dragged_wp = NULL;
3752 #endif
3755 /* Vertical sbar info is kept in the first sbar (the left one) */
3756 if (sb->wp != NULL)
3757 sb = &sb->wp->w_scrollbars[0];
3760 * Check validity of value
3762 if (value < 0)
3763 value = 0;
3764 #ifdef SCROLL_PAST_END
3765 else if (value > sb->max)
3766 value = sb->max;
3767 #else
3768 if (value > sb->max - sb->size + 1)
3769 value = sb->max - sb->size + 1;
3770 #endif
3772 sb->value = value;
3774 #ifdef USE_ON_FLY_SCROLL
3775 /* When not allowed to do the scrolling right now, return.
3776 * This also checked input_available(), but that causes the first click in
3777 * a scrollbar to be ignored when Vim doesn't have focus. */
3778 if (dont_scroll)
3779 return;
3780 #endif
3781 #ifdef FEAT_INS_EXPAND
3782 /* Disallow scrolling the current window when the completion popup menu is
3783 * visible. */
3784 if ((sb->wp == NULL || sb->wp == curwin) && pum_visible())
3785 return;
3786 #endif
3788 #ifdef FEAT_RIGHTLEFT
3789 if (sb->wp == NULL && curwin->w_p_rl)
3791 value = sb->max + 1 - sb->size - value;
3792 if (value < 0)
3793 value = 0;
3795 #endif
3797 if (sb->wp != NULL) /* vertical scrollbar */
3799 sb_num = 0;
3800 #ifdef FEAT_WINDOWS
3801 for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next)
3802 sb_num++;
3803 if (wp == NULL)
3804 return;
3805 #else
3806 if (sb->wp != curwin)
3807 return;
3808 #endif
3810 #ifdef USE_ON_FLY_SCROLL
3811 current_scrollbar = sb_num;
3812 scrollbar_value = value;
3813 if (State & NORMAL)
3815 gui_do_scroll();
3816 setcursor();
3818 else if (State & INSERT)
3820 ins_scroll();
3821 setcursor();
3823 else if (State & CMDLINE)
3825 if (msg_scrolled == 0)
3827 gui_do_scroll();
3828 redrawcmdline();
3831 # ifdef FEAT_FOLDING
3832 /* Value may have been changed for closed fold. */
3833 sb->value = sb->wp->w_topline - 1;
3834 # endif
3836 /* When dragging one scrollbar and there is another one at the other
3837 * side move the thumb of that one too. */
3838 if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT])
3839 gui_mch_set_scrollbar_thumb(
3840 &sb->wp->w_scrollbars[
3841 sb == &sb->wp->w_scrollbars[SBAR_RIGHT]
3842 ? SBAR_LEFT : SBAR_RIGHT],
3843 sb->value, sb->size, sb->max);
3845 #else
3846 bytes[0] = CSI;
3847 bytes[1] = KS_VER_SCROLLBAR;
3848 bytes[2] = KE_FILLER;
3849 bytes[3] = (char_u)sb_num;
3850 byte_count = 4;
3851 #endif
3853 else
3855 #ifdef USE_ON_FLY_SCROLL
3856 scrollbar_value = value;
3858 if (State & NORMAL)
3859 gui_do_horiz_scroll();
3860 else if (State & INSERT)
3861 ins_horscroll();
3862 else if (State & CMDLINE)
3864 if (msg_scrolled == 0)
3866 gui_do_horiz_scroll();
3867 redrawcmdline();
3870 if (old_leftcol != curwin->w_leftcol)
3872 updateWindow(curwin); /* update window, status and cmdline */
3873 setcursor();
3875 #else
3876 bytes[0] = CSI;
3877 bytes[1] = KS_HOR_SCROLLBAR;
3878 bytes[2] = KE_FILLER;
3879 byte_count = 3;
3880 #endif
3883 #ifdef USE_ON_FLY_SCROLL
3884 # ifdef FEAT_SCROLLBIND
3886 * synchronize other windows, as necessary according to 'scrollbind'
3888 if (curwin->w_p_scb
3889 && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol)
3890 || (sb->wp == curwin && (curwin->w_topline != old_topline
3891 # ifdef FEAT_DIFF
3892 || curwin->w_topfill != old_topfill
3893 # endif
3894 ))))
3896 do_check_scrollbind(TRUE);
3897 /* need to update the window right here */
3898 for (wp = firstwin; wp != NULL; wp = wp->w_next)
3899 if (wp->w_redr_type > 0)
3900 updateWindow(wp);
3901 setcursor();
3903 # endif
3904 out_flush();
3905 gui_update_cursor(FALSE, TRUE);
3906 #else
3907 add_to_input_buf(bytes, byte_count);
3908 add_long_to_buf((long_u)value, bytes);
3909 add_to_input_buf_csi(bytes, sizeof(long_u));
3910 #endif
3914 * Scrollbar stuff:
3918 * Called when something in the window layout has changed.
3920 void
3921 gui_may_update_scrollbars()
3923 if (gui.in_use && starting == 0)
3925 out_flush();
3926 gui_init_which_components(NULL);
3927 gui_update_scrollbars(TRUE);
3929 need_mouse_correct = TRUE;
3932 void
3933 gui_update_scrollbars(force)
3934 int force; /* Force all scrollbars to get updated */
3936 win_T *wp;
3937 scrollbar_T *sb;
3938 long val, size, max; /* need 32 bits here */
3939 int which_sb;
3940 int h, y;
3941 #ifdef FEAT_VERTSPLIT
3942 static win_T *prev_curwin = NULL;
3943 #endif
3945 /* Update the horizontal scrollbar */
3946 gui_update_horiz_scrollbar(force);
3948 #ifndef WIN3264
3949 /* Return straight away if there is neither a left nor right scrollbar.
3950 * On MS-Windows this is required anyway for scrollwheel messages. */
3951 if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT])
3952 return;
3953 #endif
3956 * Don't want to update a scrollbar while we're dragging it. But if we
3957 * have both a left and right scrollbar, and we drag one of them, we still
3958 * need to update the other one.
3960 if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT)
3961 && gui.which_scrollbars[SBAR_LEFT]
3962 && gui.which_scrollbars[SBAR_RIGHT])
3965 * If we have two scrollbars and one of them is being dragged, just
3966 * copy the scrollbar position from the dragged one to the other one.
3968 which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb;
3969 if (gui.dragged_wp != NULL)
3970 gui_mch_set_scrollbar_thumb(
3971 &gui.dragged_wp->w_scrollbars[which_sb],
3972 gui.dragged_wp->w_scrollbars[0].value,
3973 gui.dragged_wp->w_scrollbars[0].size,
3974 gui.dragged_wp->w_scrollbars[0].max);
3977 /* avoid that moving components around generates events */
3978 ++hold_gui_events;
3980 for (wp = firstwin; wp != NULL; wp = W_NEXT(wp))
3982 if (wp->w_buffer == NULL) /* just in case */
3983 continue;
3984 /* Skip a scrollbar that is being dragged. */
3985 if (!force && (gui.dragged_sb == SBAR_LEFT
3986 || gui.dragged_sb == SBAR_RIGHT)
3987 && gui.dragged_wp == wp)
3988 continue;
3990 #ifdef SCROLL_PAST_END
3991 max = wp->w_buffer->b_ml.ml_line_count - 1;
3992 #else
3993 max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2;
3994 #endif
3995 if (max < 0) /* empty buffer */
3996 max = 0;
3997 val = wp->w_topline - 1;
3998 size = wp->w_height;
3999 #ifdef SCROLL_PAST_END
4000 if (val > max) /* just in case */
4001 val = max;
4002 #else
4003 if (size > max + 1) /* just in case */
4004 size = max + 1;
4005 if (val > max - size + 1)
4006 val = max - size + 1;
4007 #endif
4008 if (val < 0) /* minimal value is 0 */
4009 val = 0;
4012 * Scrollbar at index 0 (the left one) contains all the information.
4013 * It would be the same info for left and right so we just store it for
4014 * one of them.
4016 sb = &wp->w_scrollbars[0];
4019 * Note: no check for valid w_botline. If it's not valid the
4020 * scrollbars will be updated later anyway.
4022 if (size < 1 || wp->w_botline - 2 > max)
4025 * This can happen during changing files. Just don't update the
4026 * scrollbar for now.
4028 sb->height = 0; /* Force update next time */
4029 if (gui.which_scrollbars[SBAR_LEFT])
4030 gui_do_scrollbar(wp, SBAR_LEFT, FALSE);
4031 if (gui.which_scrollbars[SBAR_RIGHT])
4032 gui_do_scrollbar(wp, SBAR_RIGHT, FALSE);
4033 continue;
4035 if (force || sb->height != wp->w_height
4036 #ifdef FEAT_WINDOWS
4037 || sb->top != wp->w_winrow
4038 || sb->status_height != wp->w_status_height
4039 # ifdef FEAT_VERTSPLIT
4040 || sb->width != wp->w_width
4041 || prev_curwin != curwin
4042 # endif
4043 #endif
4046 /* Height, width or position of scrollbar has changed. For
4047 * vertical split: curwin changed. */
4048 sb->height = wp->w_height;
4049 #ifdef FEAT_WINDOWS
4050 sb->top = wp->w_winrow;
4051 sb->status_height = wp->w_status_height;
4052 # ifdef FEAT_VERTSPLIT
4053 sb->width = wp->w_width;
4054 # endif
4055 #endif
4057 /* Calculate height and position in pixels */
4058 h = (sb->height + sb->status_height) * gui.char_height;
4059 y = sb->top * gui.char_height + gui.border_offset;
4060 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON)
4061 if (gui.menu_is_active)
4062 y += gui.menu_height;
4063 #endif
4065 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA))
4066 if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
4067 # ifdef FEAT_GUI_ATHENA
4068 y += gui.toolbar_height;
4069 # else
4070 # ifdef FEAT_GUI_MSWIN
4071 y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
4072 # endif
4073 # endif
4074 #endif
4076 #if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN)
4077 if (gui_has_tabline())
4078 y += gui.tabline_height;
4079 #endif
4081 #ifdef FEAT_WINDOWS
4082 if (wp->w_winrow == 0)
4083 #endif
4085 /* Height of top scrollbar includes width of top border */
4086 h += gui.border_offset;
4087 y -= gui.border_offset;
4089 if (gui.which_scrollbars[SBAR_LEFT])
4091 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT],
4092 gui.left_sbar_x, y,
4093 gui.scrollbar_width, h);
4094 gui_do_scrollbar(wp, SBAR_LEFT, TRUE);
4096 if (gui.which_scrollbars[SBAR_RIGHT])
4098 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT],
4099 gui.right_sbar_x, y,
4100 gui.scrollbar_width, h);
4101 gui_do_scrollbar(wp, SBAR_RIGHT, TRUE);
4105 /* Reduce the number of calls to gui_mch_set_scrollbar_thumb() by
4106 * checking if the thumb moved at least a pixel. Only do this for
4107 * Athena, most other GUIs require the update anyway to make the
4108 * arrows work. */
4109 #ifdef FEAT_GUI_ATHENA
4110 if (max == 0)
4111 y = 0;
4112 else
4113 y = (val * (sb->height + 2) * gui.char_height + max / 2) / max;
4114 if (force || sb->pixval != y || sb->size != size || sb->max != max)
4115 #else
4116 if (force || sb->value != val || sb->size != size || sb->max != max)
4117 #endif
4119 /* Thumb of scrollbar has moved */
4120 sb->value = val;
4121 #ifdef FEAT_GUI_ATHENA
4122 sb->pixval = y;
4123 #endif
4124 sb->size = size;
4125 sb->max = max;
4126 if (gui.which_scrollbars[SBAR_LEFT]
4127 && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp))
4128 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT],
4129 val, size, max);
4130 if (gui.which_scrollbars[SBAR_RIGHT]
4131 && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp))
4132 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT],
4133 val, size, max);
4136 #ifdef FEAT_VERTSPLIT
4137 prev_curwin = curwin;
4138 #endif
4139 --hold_gui_events;
4143 * Enable or disable a scrollbar.
4144 * Check for scrollbars for vertically split windows which are not enabled
4145 * sometimes.
4147 static void
4148 gui_do_scrollbar(wp, which, enable)
4149 win_T *wp;
4150 int which; /* SBAR_LEFT or SBAR_RIGHT */
4151 int enable; /* TRUE to enable scrollbar */
4153 #ifdef FEAT_VERTSPLIT
4154 int midcol = curwin->w_wincol + curwin->w_width / 2;
4155 int has_midcol = (wp->w_wincol <= midcol
4156 && wp->w_wincol + wp->w_width >= midcol);
4158 /* Only enable scrollbars that contain the middle column of the current
4159 * window. */
4160 if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT])
4162 /* Scrollbars only on one side. Don't enable scrollbars that don't
4163 * contain the middle column of the current window. */
4164 if (!has_midcol)
4165 enable = FALSE;
4167 else
4169 /* Scrollbars on both sides. Don't enable scrollbars that neither
4170 * contain the middle column of the current window nor are on the far
4171 * side. */
4172 if (midcol > Columns / 2)
4174 if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol)
4175 enable = FALSE;
4177 else
4179 if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns
4180 : !has_midcol)
4181 enable = FALSE;
4184 #endif
4185 gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable);
4189 * Scroll a window according to the values set in the globals current_scrollbar
4190 * and scrollbar_value. Return TRUE if the cursor in the current window moved
4191 * or FALSE otherwise.
4194 gui_do_scroll()
4196 win_T *wp, *save_wp;
4197 int i;
4198 long nlines;
4199 pos_T old_cursor;
4200 linenr_T old_topline;
4201 #ifdef FEAT_DIFF
4202 int old_topfill;
4203 #endif
4205 for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++)
4206 if (wp == NULL)
4207 break;
4208 if (wp == NULL)
4209 /* Couldn't find window */
4210 return FALSE;
4213 * Compute number of lines to scroll. If zero, nothing to do.
4215 nlines = (long)scrollbar_value + 1 - (long)wp->w_topline;
4216 if (nlines == 0)
4217 return FALSE;
4219 save_wp = curwin;
4220 old_topline = wp->w_topline;
4221 #ifdef FEAT_DIFF
4222 old_topfill = wp->w_topfill;
4223 #endif
4224 old_cursor = wp->w_cursor;
4225 curwin = wp;
4226 curbuf = wp->w_buffer;
4227 if (nlines < 0)
4228 scrolldown(-nlines, gui.dragged_wp == NULL);
4229 else
4230 scrollup(nlines, gui.dragged_wp == NULL);
4231 /* Reset dragged_wp after using it. "dragged_sb" will have been reset for
4232 * the mouse-up event already, but we still want it to behave like when
4233 * dragging. But not the next click in an arrow. */
4234 if (gui.dragged_sb == SBAR_NONE)
4235 gui.dragged_wp = NULL;
4237 if (old_topline != wp->w_topline
4238 #ifdef FEAT_DIFF
4239 || old_topfill != wp->w_topfill
4240 #endif
4243 if (p_so != 0)
4245 cursor_correct(); /* fix window for 'so' */
4246 update_topline(); /* avoid up/down jump */
4248 if (old_cursor.lnum != wp->w_cursor.lnum)
4249 coladvance(wp->w_curswant);
4250 #ifdef FEAT_SCROLLBIND
4251 wp->w_scbind_pos = wp->w_topline;
4252 #endif
4255 /* Make sure wp->w_leftcol and wp->w_skipcol are correct. */
4256 validate_cursor();
4258 curwin = save_wp;
4259 curbuf = save_wp->w_buffer;
4262 * Don't call updateWindow() when nothing has changed (it will overwrite
4263 * the status line!).
4265 if (old_topline != wp->w_topline
4266 || wp->w_redr_type != 0
4267 #ifdef FEAT_DIFF
4268 || old_topfill != wp->w_topfill
4269 #endif
4272 int type = VALID;
4274 #ifdef FEAT_INS_EXPAND
4275 if (pum_visible())
4277 type = NOT_VALID;
4278 wp->w_lines_valid = 0;
4280 #endif
4281 /* Don't set must_redraw here, it may cause the popup menu to
4282 * disappear when losing focus after a scrollbar drag. */
4283 if (wp->w_redr_type < type)
4284 wp->w_redr_type = type;
4285 updateWindow(wp); /* update window, status line, and cmdline */
4288 #ifdef FEAT_INS_EXPAND
4289 /* May need to redraw the popup menu. */
4290 if (pum_visible())
4291 pum_redraw();
4292 #endif
4294 return (wp == curwin && !equalpos(curwin->w_cursor, old_cursor));
4299 * Horizontal scrollbar stuff:
4303 * Return length of line "lnum" for horizontal scrolling.
4305 static colnr_T
4306 scroll_line_len(lnum)
4307 linenr_T lnum;
4309 char_u *p;
4310 colnr_T col;
4311 int w;
4313 p = ml_get(lnum);
4314 col = 0;
4315 if (*p != NUL)
4316 for (;;)
4318 w = chartabsize(p, col);
4319 mb_ptr_adv(p);
4320 if (*p == NUL) /* don't count the last character */
4321 break;
4322 col += w;
4324 return col;
4327 /* Remember which line is currently the longest, so that we don't have to
4328 * search for it when scrolling horizontally. */
4329 static linenr_T longest_lnum = 0;
4331 static void
4332 gui_update_horiz_scrollbar(force)
4333 int force;
4335 long value, size, max; /* need 32 bit ints here */
4337 if (!gui.which_scrollbars[SBAR_BOTTOM])
4338 return;
4340 if (!force && gui.dragged_sb == SBAR_BOTTOM)
4341 return;
4343 if (!force && curwin->w_p_wrap && gui.prev_wrap)
4344 return;
4347 * It is possible for the cursor to be invalid if we're in the middle of
4348 * something (like changing files). If so, don't do anything for now.
4350 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
4352 gui.bottom_sbar.value = -1;
4353 return;
4356 size = W_WIDTH(curwin);
4357 if (curwin->w_p_wrap)
4359 value = 0;
4360 #ifdef SCROLL_PAST_END
4361 max = 0;
4362 #else
4363 max = W_WIDTH(curwin) - 1;
4364 #endif
4366 else
4368 value = curwin->w_leftcol;
4370 /* Calculate maximum for horizontal scrollbar. Check for reasonable
4371 * line numbers, topline and botline can be invalid when displaying is
4372 * postponed. */
4373 if (vim_strchr(p_go, GO_HORSCROLL) == NULL
4374 && curwin->w_topline <= curwin->w_cursor.lnum
4375 && curwin->w_botline > curwin->w_cursor.lnum
4376 && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1)
4378 linenr_T lnum;
4379 colnr_T n;
4381 /* Use maximum of all visible lines. Remember the lnum of the
4382 * longest line, clostest to the cursor line. Used when scrolling
4383 * below. */
4384 max = 0;
4385 for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum)
4387 n = scroll_line_len(lnum);
4388 if (n > (colnr_T)max)
4390 max = n;
4391 longest_lnum = lnum;
4393 else if (n == (colnr_T)max
4394 && abs((int)(lnum - curwin->w_cursor.lnum))
4395 < abs((int)(longest_lnum - curwin->w_cursor.lnum)))
4396 longest_lnum = lnum;
4399 else
4400 /* Use cursor line only. */
4401 max = scroll_line_len(curwin->w_cursor.lnum);
4402 #ifdef FEAT_VIRTUALEDIT
4403 if (virtual_active())
4405 /* May move the cursor even further to the right. */
4406 if (curwin->w_virtcol >= (colnr_T)max)
4407 max = curwin->w_virtcol;
4409 #endif
4411 #ifndef SCROLL_PAST_END
4412 max += W_WIDTH(curwin) - 1;
4413 #endif
4414 /* The line number isn't scrolled, thus there is less space when
4415 * 'number' is set (also for 'foldcolumn'). */
4416 size -= curwin_col_off();
4417 #ifndef SCROLL_PAST_END
4418 max -= curwin_col_off();
4419 #endif
4422 #ifndef SCROLL_PAST_END
4423 if (value > max - size + 1)
4424 value = max - size + 1; /* limit the value to allowable range */
4425 #endif
4427 #ifdef FEAT_RIGHTLEFT
4428 if (curwin->w_p_rl)
4430 value = max + 1 - size - value;
4431 if (value < 0)
4433 size += value;
4434 value = 0;
4437 #endif
4438 if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size
4439 && max == gui.bottom_sbar.max)
4440 return;
4442 gui.bottom_sbar.value = value;
4443 gui.bottom_sbar.size = size;
4444 gui.bottom_sbar.max = max;
4445 gui.prev_wrap = curwin->w_p_wrap;
4447 gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max);
4451 * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise.
4454 gui_do_horiz_scroll()
4456 /* no wrapping, no scrolling */
4457 if (curwin->w_p_wrap)
4458 return FALSE;
4460 if ((long_u)curwin->w_leftcol == scrollbar_value)
4461 return FALSE;
4463 curwin->w_leftcol = (colnr_T)scrollbar_value;
4465 /* When the line of the cursor is too short, move the cursor to the
4466 * longest visible line. Do a sanity check on "longest_lnum", just in
4467 * case. */
4468 if (vim_strchr(p_go, GO_HORSCROLL) == NULL
4469 && longest_lnum >= curwin->w_topline
4470 && longest_lnum < curwin->w_botline
4471 && !virtual_active())
4473 if (scrollbar_value > (long_u)scroll_line_len(curwin->w_cursor.lnum))
4475 curwin->w_cursor.lnum = longest_lnum;
4476 curwin->w_cursor.col = 0;
4480 return leftcol_changed();
4484 * Check that none of the colors are the same as the background color
4486 void
4487 gui_check_colors()
4489 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR)
4491 gui_set_bg_color((char_u *)"White");
4492 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR)
4493 gui_set_fg_color((char_u *)"Black");
4497 static void
4498 gui_set_fg_color(name)
4499 char_u *name;
4501 gui.norm_pixel = gui_get_color(name);
4502 hl_set_fg_color_name(vim_strsave(name));
4505 static void
4506 gui_set_bg_color(name)
4507 char_u *name;
4509 gui.back_pixel = gui_get_color(name);
4510 hl_set_bg_color_name(vim_strsave(name));
4514 * Allocate a color by name.
4515 * Returns INVALCOLOR and gives an error message when failed.
4517 guicolor_T
4518 gui_get_color(name)
4519 char_u *name;
4521 guicolor_T t;
4523 if (*name == NUL)
4524 return INVALCOLOR;
4525 t = gui_mch_get_color(name);
4527 if (t == INVALCOLOR
4528 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
4529 && gui.in_use
4530 #endif
4532 EMSG2(_("E254: Cannot allocate color %s"), name);
4533 return t;
4537 * Return the grey value of a color (range 0-255).
4540 gui_get_lightness(pixel)
4541 guicolor_T pixel;
4543 long_u rgb = gui_mch_get_rgb(pixel);
4545 return (int)( (((rgb >> 16) & 0xff) * 299)
4546 + (((rgb >> 8) & 0xff) * 587)
4547 + ((rgb & 0xff) * 114)) / 1000;
4550 #if defined(FEAT_GUI_X11) || defined(PROTO)
4551 void
4552 gui_new_scrollbar_colors()
4554 win_T *wp;
4556 /* Nothing to do if GUI hasn't started yet. */
4557 if (!gui.in_use)
4558 return;
4560 FOR_ALL_WINDOWS(wp)
4562 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT]));
4563 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT]));
4565 gui_mch_set_scrollbar_colors(&gui.bottom_sbar);
4567 #endif
4570 * Call this when focus has changed.
4572 void
4573 gui_focus_change(in_focus)
4574 int in_focus;
4577 * Skip this code to avoid drawing the cursor when debugging and switching
4578 * between the debugger window and gvim.
4580 #if 1
4581 gui.in_focus = in_focus;
4582 out_flush(); /* make sure output has been written */
4583 gui_update_cursor(TRUE, FALSE);
4585 # ifdef FEAT_XIM
4586 xim_set_focus(in_focus);
4587 # endif
4589 /* Put events in the input queue only when allowed.
4590 * ui_focus_change() isn't called directly, because it invokes
4591 * autocommands and that must not happen asynchronously. */
4592 if (!hold_gui_events)
4594 char_u bytes[3];
4596 bytes[0] = CSI;
4597 bytes[1] = KS_EXTRA;
4598 bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST;
4599 add_to_input_buf(bytes, 3);
4601 #endif
4605 * Called when the mouse moved (but not when dragging).
4607 void
4608 gui_mouse_moved(x, y)
4609 int x;
4610 int y;
4612 win_T *wp;
4613 char_u st[8];
4615 /* Ignore this while still starting up. */
4616 if (!gui.in_use || gui.starting)
4617 return;
4619 #ifdef FEAT_MOUSESHAPE
4620 /* Get window pointer, and update mouse shape as well. */
4621 wp = xy2win(x, y);
4622 #endif
4624 /* Only handle this when 'mousefocus' set and ... */
4625 if (p_mousef
4626 && !hold_gui_events /* not holding events */
4627 && (State & (NORMAL|INSERT))/* Normal/Visual/Insert mode */
4628 && State != HITRETURN /* but not hit-return prompt */
4629 && msg_scrolled == 0 /* no scrolled message */
4630 && !need_mouse_correct /* not moving the pointer */
4631 && gui.in_focus) /* gvim in focus */
4633 /* Don't move the mouse when it's left or right of the Vim window */
4634 if (x < 0 || x > Columns * gui.char_width)
4635 return;
4636 #ifndef FEAT_MOUSESHAPE
4637 wp = xy2win(x, y);
4638 #endif
4639 if (wp == curwin || wp == NULL)
4640 return; /* still in the same old window, or none at all */
4642 #ifdef FEAT_WINDOWS
4643 /* Ignore position in the tab pages line. */
4644 if (Y_2_ROW(y) < tabline_height())
4645 return;
4646 #endif
4649 * format a mouse click on status line input
4650 * ala gui_send_mouse_event(0, x, y, 0, 0);
4651 * Trick: Use a column number -1, so that get_pseudo_mouse_code() will
4652 * generate a K_LEFTMOUSE_NM key code.
4654 if (finish_op)
4656 /* abort the current operator first */
4657 st[0] = ESC;
4658 add_to_input_buf(st, 1);
4660 st[0] = CSI;
4661 st[1] = KS_MOUSE;
4662 st[2] = KE_FILLER;
4663 st[3] = (char_u)MOUSE_LEFT;
4664 fill_mouse_coord(st + 4,
4665 #ifdef FEAT_VERTSPLIT
4666 wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF,
4667 #else
4669 #endif
4670 wp->w_height + W_WINROW(wp));
4672 add_to_input_buf(st, 8);
4673 st[3] = (char_u)MOUSE_RELEASE;
4674 add_to_input_buf(st, 8);
4675 #ifdef FEAT_GUI_GTK
4676 /* Need to wake up the main loop */
4677 if (gtk_main_level() > 0)
4678 gtk_main_quit();
4679 #endif
4684 * Called when mouse should be moved to window with focus.
4686 void
4687 gui_mouse_correct()
4689 int x, y;
4690 win_T *wp = NULL;
4692 need_mouse_correct = FALSE;
4694 if (!(gui.in_use && p_mousef))
4695 return;
4697 gui_mch_getmouse(&x, &y);
4698 /* Don't move the mouse when it's left or right of the Vim window */
4699 if (x < 0 || x > Columns * gui.char_width)
4700 return;
4701 if (y >= 0
4702 # ifdef FEAT_WINDOWS
4703 && Y_2_ROW(y) >= tabline_height()
4704 # endif
4706 wp = xy2win(x, y);
4707 if (wp != curwin && wp != NULL) /* If in other than current window */
4709 validate_cline_row();
4710 gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3,
4711 (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height
4712 + (gui.char_height) / 2);
4717 * Find window where the mouse pointer "y" coordinate is in.
4719 static win_T *
4720 xy2win(x, y)
4721 int x UNUSED;
4722 int y UNUSED;
4724 #ifdef FEAT_WINDOWS
4725 int row;
4726 int col;
4727 win_T *wp;
4729 row = Y_2_ROW(y);
4730 col = X_2_COL(x);
4731 if (row < 0 || col < 0) /* before first window */
4732 return NULL;
4733 wp = mouse_find_win(&row, &col);
4734 # ifdef FEAT_MOUSESHAPE
4735 if (State == HITRETURN || State == ASKMORE)
4737 if (Y_2_ROW(y) >= msg_row)
4738 update_mouseshape(SHAPE_IDX_MOREL);
4739 else
4740 update_mouseshape(SHAPE_IDX_MORE);
4742 else if (row > wp->w_height) /* below status line */
4743 update_mouseshape(SHAPE_IDX_CLINE);
4744 # ifdef FEAT_VERTSPLIT
4745 else if (!(State & CMDLINE) && W_VSEP_WIDTH(wp) > 0 && col == wp->w_width
4746 && (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0)
4747 update_mouseshape(SHAPE_IDX_VSEP);
4748 # endif
4749 else if (!(State & CMDLINE) && W_STATUS_HEIGHT(wp) > 0
4750 && row == wp->w_height && msg_scrolled == 0)
4751 update_mouseshape(SHAPE_IDX_STATUS);
4752 else
4753 update_mouseshape(-2);
4754 # endif
4755 return wp;
4756 #else
4757 return firstwin;
4758 #endif
4762 * ":gui" and ":gvim": Change from the terminal version to the GUI version.
4763 * File names may be given to redefine the args list.
4765 void
4766 ex_gui(eap)
4767 exarg_T *eap;
4769 char_u *arg = eap->arg;
4772 * Check for "-f" argument: foreground, don't fork.
4773 * Also don't fork when started with "gvim -f".
4774 * Do fork when using "gui -b".
4776 if (arg[0] == '-'
4777 && (arg[1] == 'f' || arg[1] == 'b')
4778 && (arg[2] == NUL || vim_iswhite(arg[2])))
4780 gui.dofork = (arg[1] == 'b');
4781 eap->arg = skipwhite(eap->arg + 2);
4783 if (!gui.in_use)
4785 /* Clear the command. Needed for when forking+exiting, to avoid part
4786 * of the argument ending up after the shell prompt. */
4787 msg_clr_eos_force();
4788 gui_start();
4790 if (!ends_excmd(*eap->arg))
4791 ex_next(eap);
4794 #if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32) \
4795 || defined(FEAT_GUI_PHOTON)) && defined(FEAT_TOOLBAR)) || defined(PROTO)
4797 * This is shared between Athena, Motif and GTK.
4799 static void gfp_setname __ARGS((char_u *fname, void *cookie));
4802 * Callback function for do_in_runtimepath().
4804 static void
4805 gfp_setname(fname, cookie)
4806 char_u *fname;
4807 void *cookie;
4809 char_u *gfp_buffer = cookie;
4811 if (STRLEN(fname) >= MAXPATHL)
4812 *gfp_buffer = NUL;
4813 else
4814 STRCPY(gfp_buffer, fname);
4818 * Find the path of bitmap "name" with extension "ext" in 'runtimepath'.
4819 * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result.
4822 gui_find_bitmap(name, buffer, ext)
4823 char_u *name;
4824 char_u *buffer;
4825 char *ext;
4827 if (STRLEN(name) > MAXPATHL - 14)
4828 return FAIL;
4829 vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext);
4830 if (do_in_runtimepath(buffer, FALSE, gfp_setname, buffer) == FAIL
4831 || *buffer == NUL)
4832 return FAIL;
4833 return OK;
4836 # if !defined(HAVE_GTK2) || defined(PROTO)
4838 * Given the name of the "icon=" argument, try finding the bitmap file for the
4839 * icon. If it is an absolute path name, use it as it is. Otherwise append
4840 * "ext" and search for it in 'runtimepath'.
4841 * The result is put in "buffer[MAXPATHL]". If something fails "buffer"
4842 * contains "name".
4844 void
4845 gui_find_iconfile(name, buffer, ext)
4846 char_u *name;
4847 char_u *buffer;
4848 char *ext;
4850 char_u buf[MAXPATHL + 1];
4852 expand_env(name, buffer, MAXPATHL);
4853 if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK)
4854 STRCPY(buffer, buf);
4856 # endif
4857 #endif
4859 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO)
4860 void
4861 display_errors()
4863 char_u *p;
4865 if (isatty(2))
4866 fflush(stderr);
4867 else if (error_ga.ga_data != NULL)
4869 /* avoid putting up a message box with blanks only */
4870 for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p)
4871 if (!isspace(*p))
4873 /* Truncate a very long message, it will go off-screen. */
4874 if (STRLEN(p) > 2000)
4875 STRCPY(p + 2000 - 14, "...(truncated)");
4876 (void)do_dialog(VIM_ERROR, (char_u *)_("Error"),
4877 p, (char_u *)_("&Ok"), 1, NULL);
4878 break;
4880 ga_clear(&error_ga);
4883 #endif
4885 #if defined(NO_CONSOLE_INPUT) || defined(PROTO)
4887 * Return TRUE if still starting up and there is no place to enter text.
4888 * For GTK and X11 we check if stderr is not a tty, which means we were
4889 * (probably) started from the desktop. Also check stdin, "vim >& file" does
4890 * allow typing on stdin.
4893 no_console_input()
4895 return ((!gui.in_use || gui.starting)
4896 # ifndef NO_CONSOLE
4897 && !isatty(0) && !isatty(2)
4898 # endif
4901 #endif
4903 #if defined(FIND_REPLACE_DIALOG) || defined(FEAT_SUN_WORKSHOP) \
4904 || defined(NEED_GUI_UPDATE_SCREEN) \
4905 || defined(PROTO)
4907 * Update the current window and the screen.
4909 void
4910 gui_update_screen()
4912 update_topline();
4913 validate_cursor();
4914 #ifdef FEAT_AUTOCMD
4915 /* Trigger CursorMoved if the cursor moved. */
4916 if (!finish_op && has_cursormoved()
4917 && !equalpos(last_cursormoved, curwin->w_cursor))
4919 apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf);
4920 last_cursormoved = curwin->w_cursor;
4922 #endif
4923 update_screen(0); /* may need to update the screen */
4924 setcursor();
4925 out_flush(); /* make sure output has been written */
4926 gui_update_cursor(TRUE, FALSE);
4927 gui_mch_flush();
4929 #endif
4931 #if defined(FIND_REPLACE_DIALOG) || defined(PROTO)
4932 static void concat_esc __ARGS((garray_T *gap, char_u *text, int what));
4935 * Get the text to use in a find/replace dialog. Uses the last search pattern
4936 * if the argument is empty.
4937 * Returns an allocated string.
4939 char_u *
4940 get_find_dialog_text(arg, wwordp, mcasep)
4941 char_u *arg;
4942 int *wwordp; /* return: TRUE if \< \> found */
4943 int *mcasep; /* return: TRUE if \C found */
4945 char_u *text;
4947 if (*arg == NUL)
4948 text = last_search_pat();
4949 else
4950 text = arg;
4951 if (text != NULL)
4953 text = vim_strsave(text);
4954 if (text != NULL)
4956 int len = (int)STRLEN(text);
4957 int i;
4959 /* Remove "\V" */
4960 if (len >= 2 && STRNCMP(text, "\\V", 2) == 0)
4962 mch_memmove(text, text + 2, (size_t)(len - 1));
4963 len -= 2;
4966 /* Recognize "\c" and "\C" and remove. */
4967 if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C'))
4969 *mcasep = (text[1] == 'C');
4970 mch_memmove(text, text + 2, (size_t)(len - 1));
4971 len -= 2;
4974 /* Recognize "\<text\>" and remove. */
4975 if (len >= 4
4976 && STRNCMP(text, "\\<", 2) == 0
4977 && STRNCMP(text + len - 2, "\\>", 2) == 0)
4979 *wwordp = TRUE;
4980 mch_memmove(text, text + 2, (size_t)(len - 4));
4981 text[len - 4] = NUL;
4984 /* Recognize "\/" or "\?" and remove. */
4985 for (i = 0; i + 1 < len; ++i)
4986 if (text[i] == '\\' && (text[i + 1] == '/'
4987 || text[i + 1] == '?'))
4989 mch_memmove(text + i, text + i + 1, (size_t)(len - i));
4990 --len;
4994 return text;
4998 * Concatenate "text" to grow array "gap", escaping "what" with a backslash.
5000 static void
5001 concat_esc(gap, text, what)
5002 garray_T *gap;
5003 char_u *text;
5004 int what;
5006 while (*text != NUL)
5008 #ifdef FEAT_MBYTE
5009 int l = (*mb_ptr2len)(text);
5011 if (l > 1)
5013 while (--l >= 0)
5014 ga_append(gap, *text++);
5015 continue;
5017 #endif
5018 if (*text == what)
5019 ga_append(gap, '\\');
5020 ga_append(gap, *text);
5021 ++text;
5026 * Handle the press of a button in the find-replace dialog.
5027 * Return TRUE when something was added to the input buffer.
5030 gui_do_findrepl(flags, find_text, repl_text, down)
5031 int flags; /* one of FRD_REPLACE, FRD_FINDNEXT, etc. */
5032 char_u *find_text;
5033 char_u *repl_text;
5034 int down; /* Search downwards. */
5036 garray_T ga;
5037 int i;
5038 int type = (flags & FRD_TYPE_MASK);
5039 char_u *p;
5040 regmatch_T regmatch;
5041 int save_did_emsg = did_emsg;
5042 static int busy = FALSE;
5044 /* When the screen is being updated we should not change buffers and
5045 * windows structures, it may cause freed memory to be used. Also don't
5046 * do this recursively (pressing "Find" quickly several times. */
5047 if (updating_screen || busy)
5048 return FALSE;
5050 /* refuse replace when text cannot be changed */
5051 if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked())
5052 return FALSE;
5054 busy = TRUE;
5056 ga_init2(&ga, 1, 100);
5057 if (type == FRD_REPLACEALL)
5058 ga_concat(&ga, (char_u *)"%s/");
5060 ga_concat(&ga, (char_u *)"\\V");
5061 if (flags & FRD_MATCH_CASE)
5062 ga_concat(&ga, (char_u *)"\\C");
5063 else
5064 ga_concat(&ga, (char_u *)"\\c");
5065 if (flags & FRD_WHOLE_WORD)
5066 ga_concat(&ga, (char_u *)"\\<");
5067 if (type == FRD_REPLACEALL || down)
5068 concat_esc(&ga, find_text, '/'); /* escape slashes */
5069 else
5070 concat_esc(&ga, find_text, '?'); /* escape '?' */
5071 if (flags & FRD_WHOLE_WORD)
5072 ga_concat(&ga, (char_u *)"\\>");
5074 if (type == FRD_REPLACEALL)
5076 ga_concat(&ga, (char_u *)"/");
5077 /* escape / and \ */
5078 p = vim_strsave_escaped(repl_text, (char_u *)"/\\");
5079 if (p != NULL)
5080 ga_concat(&ga, p);
5081 vim_free(p);
5082 ga_concat(&ga, (char_u *)"/g");
5084 ga_append(&ga, NUL);
5086 if (type == FRD_REPLACE)
5088 /* Do the replacement when the text at the cursor matches. Thus no
5089 * replacement is done if the cursor was moved! */
5090 regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING);
5091 regmatch.rm_ic = 0;
5092 if (regmatch.regprog != NULL)
5094 p = ml_get_cursor();
5095 if (vim_regexec_nl(&regmatch, p, (colnr_T)0)
5096 && regmatch.startp[0] == p)
5098 /* Clear the command line to remove any old "No match"
5099 * error. */
5100 msg_end_prompt();
5102 if (u_save_cursor() == OK)
5104 /* A button was pressed thus undo should be synced. */
5105 u_sync(FALSE);
5107 del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]),
5108 FALSE, FALSE);
5109 ins_str(repl_text);
5112 else
5113 MSG(_("No match at cursor, finding next"));
5114 vim_free(regmatch.regprog);
5118 if (type == FRD_REPLACEALL)
5120 /* A button was pressed, thus undo should be synced. */
5121 u_sync(FALSE);
5122 do_cmdline_cmd(ga.ga_data);
5124 else
5126 /* Search for the next match. */
5127 i = msg_scroll;
5128 do_search(NULL, down ? '/' : '?', ga.ga_data, 1L,
5129 SEARCH_MSG + SEARCH_MARK, NULL);
5130 msg_scroll = i; /* don't let an error message set msg_scroll */
5133 /* Don't want to pass did_emsg to other code, it may cause disabling
5134 * syntax HL if we were busy redrawing. */
5135 did_emsg = save_did_emsg;
5137 if (State & (NORMAL | INSERT))
5139 gui_update_screen(); /* update the screen */
5140 msg_didout = 0; /* overwrite any message */
5141 need_wait_return = FALSE; /* don't wait for return */
5144 vim_free(ga.ga_data);
5145 busy = FALSE;
5146 return (ga.ga_len > 0);
5149 #endif
5151 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
5152 || defined(FEAT_GUI_MSWIN) \
5153 || defined(FEAT_GUI_MAC) \
5154 || defined(PROTO)
5156 #ifdef FEAT_WINDOWS
5157 static void gui_wingoto_xy __ARGS((int x, int y));
5160 * Jump to the window at specified point (x, y).
5162 static void
5163 gui_wingoto_xy(x, y)
5164 int x;
5165 int y;
5167 int row = Y_2_ROW(y);
5168 int col = X_2_COL(x);
5169 win_T *wp;
5171 if (row >= 0 && col >= 0)
5173 wp = mouse_find_win(&row, &col);
5174 if (wp != NULL && wp != curwin)
5175 win_goto(wp);
5178 #endif
5181 * Process file drop. Mouse cursor position, key modifiers, name of files
5182 * and count of files are given. Argument "fnames[count]" has full pathnames
5183 * of dropped files, they will be freed in this function, and caller can't use
5184 * fnames after call this function.
5186 void
5187 gui_handle_drop(x, y, modifiers, fnames, count)
5188 int x UNUSED;
5189 int y UNUSED;
5190 int_u modifiers;
5191 char_u **fnames;
5192 int count;
5194 int i;
5195 char_u *p;
5196 static int entered = FALSE;
5199 * This function is called by event handlers. Just in case we get a
5200 * second event before the first one is handled, ignore the second one.
5201 * Not sure if this can ever happen, just in case.
5203 if (entered)
5204 return;
5205 entered = TRUE;
5208 * When the cursor is at the command line, add the file names to the
5209 * command line, don't edit the files.
5211 if (State & CMDLINE)
5213 shorten_filenames(fnames, count);
5214 for (i = 0; i < count; ++i)
5216 if (fnames[i] != NULL)
5218 if (i > 0)
5219 add_to_input_buf((char_u*)" ", 1);
5221 /* We don't know what command is used thus we can't be sure
5222 * about which characters need to be escaped. Only escape the
5223 * most common ones. */
5224 # ifdef BACKSLASH_IN_FILENAME
5225 p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|");
5226 # else
5227 p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|");
5228 # endif
5229 if (p != NULL)
5230 add_to_input_buf_csi(p, (int)STRLEN(p));
5231 vim_free(p);
5232 vim_free(fnames[i]);
5235 vim_free(fnames);
5237 else
5239 /* Go to the window under mouse cursor, then shorten given "fnames" by
5240 * current window, because a window can have local current dir. */
5241 # ifdef FEAT_WINDOWS
5242 gui_wingoto_xy(x, y);
5243 # endif
5244 shorten_filenames(fnames, count);
5246 /* If Shift held down, remember the first item. */
5247 if ((modifiers & MOUSE_SHIFT) != 0)
5248 p = vim_strsave(fnames[0]);
5249 else
5250 p = NULL;
5252 /* Handle the drop, :edit or :split to get to the file. This also
5253 * frees fnames[]. Skip this if there is only one item it's a
5254 * directory and Shift is held down. */
5255 if (count == 1 && (modifiers & MOUSE_SHIFT) != 0
5256 && mch_isdir(fnames[0]))
5258 vim_free(fnames[0]);
5259 vim_free(fnames);
5261 else
5262 handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0);
5264 /* If Shift held down, change to first file's directory. If the first
5265 * item is a directory, change to that directory (and let the explorer
5266 * plugin show the contents). */
5267 if (p != NULL)
5269 if (mch_isdir(p))
5271 if (mch_chdir((char *)p) == 0)
5272 shorten_fnames(TRUE);
5274 else if (vim_chdirfile(p) == OK)
5275 shorten_fnames(TRUE);
5276 vim_free(p);
5279 /* Update the screen display */
5280 update_screen(NOT_VALID);
5281 # ifdef FEAT_MENU
5282 gui_update_menus(0);
5283 # endif
5284 setcursor();
5285 out_flush();
5286 gui_update_cursor(FALSE, FALSE);
5287 gui_mch_flush();
5290 entered = FALSE;
5292 #endif