Commit | Line | Data |
---|---|---|
f392e843 JD |
1 | /* Functions for creating and updating GTK widgets. |
2 | Copyright (C) 2003 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "config.h" | |
23 | ||
24 | #ifdef USE_GTK | |
25 | #include "lisp.h" | |
26 | #include "xterm.h" | |
27 | #include "blockinput.h" | |
28 | #include "window.h" | |
29 | #include "atimer.h" | |
30 | #include "gtkutil.h" | |
31 | #include "termhooks.h" | |
32 | #include <string.h> | |
33 | #include <stdio.h> | |
34 | #include <gdk/gdkkeysyms.h> | |
35 | ||
36 | #define FRAME_TOTAL_PIXEL_HEIGHT(f) \ | |
37 | (PIXEL_HEIGHT (f) + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f)) | |
38 | \f | |
39 | /*********************************************************************** | |
40 | Utility functions | |
41 | ***********************************************************************/ | |
42 | /* The timer for scroll bar repetition and menu bar timeouts. | |
43 | NULL if no timer is started. */ | |
44 | static struct atimer *xg_timer; | |
45 | ||
46 | /* The cursor used for scroll bars and popup menus. | |
47 | We only have one cursor for all scroll bars and all popup menus. */ | |
48 | static GdkCursor *xg_left_ptr_cursor; | |
49 | ||
50 | ||
51 | /* The next two variables and functions are taken from lwlib. */ | |
52 | static widget_value *widget_value_free_list; | |
53 | static int malloc_cpt; | |
54 | ||
55 | /* Allocate a widget_value structure, either by taking one from the | |
56 | widget_value_free_list or by malloc:ing a new one. | |
57 | ||
58 | Return a pointer to the allocated structure. */ | |
59 | widget_value * | |
60 | malloc_widget_value () | |
61 | { | |
62 | widget_value *wv; | |
63 | if (widget_value_free_list) | |
64 | { | |
65 | wv = widget_value_free_list; | |
66 | widget_value_free_list = wv->free_list; | |
67 | wv->free_list = 0; | |
68 | } | |
69 | else | |
70 | { | |
71 | wv = (widget_value *) malloc (sizeof (widget_value)); | |
72 | malloc_cpt++; | |
73 | } | |
74 | memset (wv, 0, sizeof (widget_value)); | |
75 | return wv; | |
76 | } | |
77 | ||
78 | /* This is analogous to free. It frees only what was allocated | |
79 | by malloc_widget_value, and no substructures. */ | |
80 | void | |
81 | free_widget_value (wv) | |
82 | widget_value *wv; | |
83 | { | |
84 | if (wv->free_list) | |
85 | abort (); | |
86 | ||
87 | if (malloc_cpt > 25) | |
88 | { | |
89 | /* When the number of already allocated cells is too big, | |
90 | We free it. */ | |
91 | free (wv); | |
92 | malloc_cpt--; | |
93 | } | |
94 | else | |
95 | { | |
96 | wv->free_list = widget_value_free_list; | |
97 | widget_value_free_list = wv; | |
98 | } | |
99 | } | |
100 | ||
101 | /* Set *CURSOR on W and all widgets W contain. We must do like this | |
102 | for scroll bars and menu because they create widgets internally, | |
103 | and it is those widgets that are visible. | |
104 | ||
105 | If *CURSOR is NULL, create a GDK_LEFT_PTR cursor and set *CURSOR to | |
106 | the created cursor. */ | |
107 | void | |
108 | xg_set_cursor (w, cursor) | |
109 | GtkWidget *w; | |
110 | GdkCursor **cursor; | |
111 | { | |
112 | GList *children = gdk_window_peek_children (w->window); | |
113 | ||
114 | /* Create the cursor unless already created. */ | |
115 | if (! *cursor) | |
116 | *cursor = gdk_cursor_new (GDK_LEFT_PTR); | |
117 | ||
118 | gdk_window_set_cursor (w->window, *cursor); | |
119 | ||
120 | /* The scroll bar widget has more than one GDK window (had to look at | |
121 | the source to figure this out), and there is no way to set cursor | |
122 | on widgets in GTK. So we must set the cursor for all GDK windows. | |
123 | Ditto for menus. */ | |
124 | ||
125 | for ( ; children; children = g_list_next (children)) | |
126 | gdk_window_set_cursor (GDK_WINDOW (children->data), *cursor); | |
127 | } | |
128 | ||
129 | /* Timer function called when a timeout occurs for xg_timer. | |
130 | This function processes all GTK events in a recursive event loop. | |
131 | This is done because GTK timer events are not seen by Emacs event | |
132 | detection, Emacs only looks for X events. When a scroll bar has the | |
133 | pointer (detected by button press/release events below) an Emacs | |
134 | timer is started, and this function can then check if the GTK timer | |
135 | has expired by calling the GTK event loop. | |
136 | Also, when a menu is active, it has a small timeout before it | |
137 | pops down the sub menu under it. */ | |
138 | static void | |
139 | xg_process_timeouts (timer) | |
140 | struct atimer *timer; | |
141 | { | |
142 | BLOCK_INPUT; | |
143 | /* Ideally we would like to just handle timer events, like the Xt version | |
144 | of this does in xterm.c, but there is no such feature in GTK. */ | |
145 | while (gtk_events_pending ()) | |
146 | gtk_main_iteration (); | |
147 | UNBLOCK_INPUT; | |
148 | } | |
149 | ||
150 | /* Start the xg_timer with an interval of 0.1 seconds, if not already started. | |
151 | xg_process_timeouts is called when the timer expires. The timer | |
152 | stared is continuous, i.e. runs until xg_stop_timer is called. */ | |
153 | static void | |
154 | xg_start_timer () | |
155 | { | |
156 | if (! xg_timer) | |
157 | { | |
158 | EMACS_TIME interval; | |
159 | EMACS_SET_SECS_USECS (interval, 0, 100000); | |
160 | xg_timer = start_atimer (ATIMER_CONTINUOUS, | |
161 | interval, | |
162 | xg_process_timeouts, | |
163 | 0); | |
164 | } | |
165 | } | |
166 | ||
167 | /* Stop the xg_timer if started. */ | |
168 | static void | |
169 | xg_stop_timer () | |
170 | { | |
171 | if (xg_timer) | |
172 | { | |
173 | cancel_atimer (xg_timer); | |
174 | xg_timer = 0; | |
175 | } | |
176 | } | |
177 | ||
178 | /* Insert NODE into linked LIST. */ | |
179 | static void | |
180 | xg_list_insert (xg_list_node *list, xg_list_node *node) | |
181 | { | |
182 | xg_list_node *list_start = list->next; | |
183 | ||
184 | if (list_start) list_start->prev = node; | |
185 | node->next = list_start; | |
186 | node->prev = 0; | |
187 | list->next = node; | |
188 | } | |
189 | ||
190 | /* Remove NODE from linked LIST. */ | |
191 | static void | |
192 | xg_list_remove (xg_list_node *list, xg_list_node *node) | |
193 | { | |
194 | xg_list_node *list_start = list->next; | |
195 | if (node == list_start) | |
196 | { | |
197 | list->next = node->next; | |
198 | if (list->next) list->next->prev = 0; | |
199 | } | |
200 | else | |
201 | { | |
202 | node->prev->next = node->next; | |
203 | if (node->next) node->next->prev = node->prev; | |
204 | } | |
205 | } | |
206 | ||
207 | /* Allocate and return a utf8 version of STR. If STR is already | |
208 | utf8 or NULL, just return STR. | |
209 | If not, a new string is allocated and the caller must free the result | |
210 | with g_free. */ | |
211 | static char * | |
212 | get_utf8_string (str) | |
213 | char *str; | |
214 | { | |
215 | char *utf8_str = str; | |
216 | ||
217 | /* If not UTF-8, try current locale. */ | |
218 | if (str && !g_utf8_validate (str, -1, NULL)) | |
219 | utf8_str = g_locale_to_utf8 (str, -1, 0, 0, 0); | |
220 | ||
221 | return utf8_str; | |
222 | } | |
223 | ||
224 | ||
225 | \f | |
226 | /*********************************************************************** | |
227 | General functions for creating widgets, resizing, events, e.t.c. | |
228 | ***********************************************************************/ | |
229 | ||
230 | /* Make a geometry string and pass that to GTK. It seems this is the | |
231 | only way to get geometry position right if the user explicitly | |
232 | asked for a position when starting Emacs. | |
233 | F is the frame we shall set geometry for. */ | |
234 | static void | |
235 | xg_set_geometry (f) | |
236 | FRAME_PTR f; | |
237 | { | |
238 | if (f->output_data.x->size_hint_flags & USPosition) | |
239 | { | |
240 | int left = f->output_data.x->left_pos; | |
241 | int xneg = f->output_data.x->size_hint_flags & XNegative; | |
242 | int top = f->output_data.x->top_pos; | |
243 | int yneg = f->output_data.x->size_hint_flags & YNegative; | |
244 | char geom_str[32]; | |
245 | ||
246 | if (xneg) | |
247 | left = -left; | |
248 | if (yneg) | |
249 | top = -top; | |
250 | ||
251 | sprintf (geom_str, "=%dx%d%c%d%c%d", | |
252 | PIXEL_WIDTH (f), | |
253 | FRAME_TOTAL_PIXEL_HEIGHT (f), | |
254 | (xneg ? '-' : '+'), left, | |
255 | (yneg ? '-' : '+'), top); | |
256 | ||
257 | if (!gtk_window_parse_geometry (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
258 | geom_str)) | |
259 | fprintf (stderr, "Failed to parse: '%s'\n", geom_str); | |
260 | } | |
261 | } | |
262 | ||
263 | ||
264 | /* Resize the outer window of frame F after chainging the height. | |
265 | This happend when the menu bar or the tool bar is added or removed. | |
266 | COLUMNS/ROWS is the size the edit area shall have after the resize. */ | |
267 | static void | |
268 | xg_resize_outer_widget (f, columns, rows) | |
269 | FRAME_PTR f; | |
270 | int columns; | |
271 | int rows; | |
272 | { | |
273 | gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
274 | PIXEL_WIDTH (f), FRAME_TOTAL_PIXEL_HEIGHT (f)); | |
275 | ||
276 | /* base_height is now changed. */ | |
277 | x_wm_set_size_hint (f, 0, 0); | |
278 | ||
279 | /* If we are not mapped yet, set geometry once again, as window | |
280 | height now have changed. */ | |
281 | if (! GTK_WIDGET_MAPPED (FRAME_GTK_OUTER_WIDGET (f))) | |
282 | xg_set_geometry (f); | |
283 | ||
284 | xg_frame_set_char_size (f, columns, rows); | |
285 | gdk_window_process_all_updates (); | |
286 | } | |
287 | ||
288 | /* Function to handle resize of our widgets. Since Emacs has some layouts | |
289 | that does not fit well with GTK standard containers, we do most layout | |
290 | manually. | |
291 | F is the frame to resize. | |
292 | PIXELWIDTH, PIXELHEIGHT is the new size in pixels. */ | |
293 | void | |
294 | xg_resize_widgets (f, pixelwidth, pixelheight) | |
295 | FRAME_PTR f; | |
296 | int pixelwidth, pixelheight; | |
297 | { | |
298 | int mbheight = FRAME_MENUBAR_HEIGHT (f); | |
299 | int tbheight = FRAME_TOOLBAR_HEIGHT (f); | |
300 | int rows = PIXEL_TO_CHAR_HEIGHT (f, pixelheight - mbheight - tbheight); | |
301 | int columns = PIXEL_TO_CHAR_WIDTH (f, pixelwidth); | |
302 | ||
303 | if (FRAME_GTK_WIDGET (f) | |
304 | && (columns != FRAME_WIDTH (f) || rows != FRAME_HEIGHT (f) | |
305 | || pixelwidth != PIXEL_WIDTH (f) || pixelheight != PIXEL_HEIGHT (f))) | |
306 | { | |
307 | struct x_output *x = f->output_data.x; | |
308 | GtkAllocation all; | |
309 | ||
310 | all.y = mbheight + tbheight; | |
311 | all.x = 0; | |
312 | ||
313 | all.width = pixelwidth; | |
314 | all.height = pixelheight - mbheight - tbheight; | |
315 | ||
316 | gtk_widget_size_allocate (x->edit_widget, &all); | |
317 | gdk_window_process_all_updates (); | |
318 | ||
319 | change_frame_size (f, rows, columns, 0, 1, 0); | |
320 | SET_FRAME_GARBAGED (f); | |
321 | cancel_mouse_face (f); | |
322 | } | |
323 | } | |
324 | ||
325 | ||
326 | /* Update our widget size to be COLS/ROWS characters for frame F. */ | |
327 | void | |
328 | xg_frame_set_char_size (f, cols, rows) | |
329 | FRAME_PTR f; | |
330 | int cols; | |
331 | int rows; | |
332 | { | |
333 | int pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows) | |
334 | + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f); | |
335 | int pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
336 | ||
337 | /* Take into account the size of the scroll bar. Always use the | |
338 | number of columns occupied by the scroll bar here otherwise we | |
339 | might end up with a frame width that is not a multiple of the | |
340 | frame's character width which is bad for vertically split | |
341 | windows. */ | |
342 | f->output_data.x->vertical_scroll_bar_extra | |
343 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
344 | ? 0 | |
345 | : (FRAME_SCROLL_BAR_COLS (f) | |
346 | * FONT_WIDTH (f->output_data.x->font))); | |
347 | ||
348 | x_compute_fringe_widths (f, 0); | |
349 | ||
350 | /* Must resize our top level widget. Font size may have changed, | |
351 | but not rows/cols. */ | |
352 | gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
353 | pixelwidth, pixelheight); | |
354 | xg_resize_widgets (f, pixelwidth, pixelheight); | |
355 | } | |
356 | ||
357 | /* Convert an X Window WSESC to its corresponding GtkWidget. | |
358 | Must be done like this, because GtkWidget:s can have "hidden" | |
359 | X Window that aren't accessible. | |
360 | ||
361 | Return 0 if no widget match WDESC. */ | |
362 | GtkWidget * | |
363 | xg_win_to_widget (wdesc) | |
364 | Window wdesc; | |
365 | { | |
366 | gpointer gdkwin; | |
367 | GtkWidget *gwdesc = 0; | |
368 | ||
369 | BLOCK_INPUT; | |
370 | gdkwin = gdk_xid_table_lookup (wdesc); | |
371 | if (gdkwin) | |
372 | { | |
373 | GdkEvent event; | |
374 | event.any.window = gdkwin; | |
375 | gwdesc = gtk_get_event_widget (&event); | |
376 | } | |
377 | ||
378 | UNBLOCK_INPUT; | |
379 | return gwdesc; | |
380 | } | |
381 | ||
382 | /* Fill in the GdkColor C so that it represents PIXEL. | |
383 | W is the widget that color will be used for. Used to find colormap. */ | |
384 | static void | |
385 | xg_pix_to_gcolor (w, pixel, c) | |
386 | GtkWidget *w; | |
387 | unsigned long pixel; | |
388 | GdkColor *c; | |
389 | { | |
390 | GdkColormap *map = gtk_widget_get_colormap (w); | |
391 | gdk_colormap_query_color (map, pixel, c); | |
392 | } | |
393 | ||
394 | /* Create and set up the GTK widgets for frame F. | |
395 | Return 0 if creation failed, non-zero otherwise. */ | |
396 | int | |
397 | xg_create_frame_widgets (f) | |
398 | FRAME_PTR f; | |
399 | { | |
400 | GtkWidget *wtop; | |
401 | GtkWidget *wvbox; | |
402 | GtkWidget *wfixed; | |
403 | GdkColor bg; | |
404 | GtkRcStyle *style; | |
405 | int i; | |
406 | char *title = 0; | |
407 | ||
408 | BLOCK_INPUT; | |
409 | ||
410 | wtop = gtk_window_new (GTK_WINDOW_TOPLEVEL); | |
411 | wvbox = gtk_vbox_new (FALSE, 0); | |
412 | wfixed = gtk_fixed_new (); /* Must have this to place scroll bars */ | |
413 | ||
414 | if (! wtop || ! wvbox || ! wfixed) | |
415 | { | |
416 | if (wtop) gtk_widget_destroy (wtop); | |
417 | if (wvbox) gtk_widget_destroy (wvbox); | |
418 | if (wfixed) gtk_widget_destroy (wfixed); | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
423 | /* Use same names as the Xt port does. I.e. Emacs.pane.emacs by default */ | |
424 | gtk_widget_set_name (wtop, EMACS_CLASS); | |
425 | gtk_widget_set_name (wvbox, "pane"); | |
426 | gtk_widget_set_name (wfixed, SDATA (Vx_resource_name)); | |
427 | ||
428 | /* If this frame has a title or name, set it in the title bar. */ | |
429 | if (! NILP (f->title)) title = SDATA (f->title); | |
430 | else if (! NILP (f->name)) title = SDATA (f->name); | |
431 | ||
432 | if (title) gtk_window_set_title (GTK_WINDOW (wtop), title); | |
433 | ||
434 | FRAME_GTK_OUTER_WIDGET (f) = wtop; | |
435 | FRAME_GTK_WIDGET (f) = wfixed; | |
436 | f->output_data.x->vbox_widget = wvbox; | |
437 | ||
438 | gtk_fixed_set_has_window (GTK_FIXED (wfixed), TRUE); | |
439 | ||
440 | gtk_widget_set_size_request (wfixed, | |
441 | PIXEL_WIDTH (f), | |
442 | PIXEL_HEIGHT (f)); | |
443 | ||
444 | gtk_container_add (GTK_CONTAINER (wtop), wvbox); | |
445 | gtk_box_pack_end (GTK_BOX (wvbox), wfixed, TRUE, TRUE, 0); | |
446 | ||
447 | if (FRAME_EXTERNAL_TOOL_BAR (f)) | |
448 | update_frame_tool_bar (f); | |
449 | ||
450 | /* The tool bar is created but first there are no items in it. | |
451 | This causes it to be zero height. Later items are added, but then | |
452 | the frame is already mapped, so there is a "jumping" resize. | |
453 | This makes geometry handling difficult, for example -0-0 will end | |
454 | up in the wrong place as tool bar height has not been taken into account. | |
455 | So we cheat a bit by setting a height that is what it will have | |
456 | later on when tool bar items are added. */ | |
457 | if (FRAME_TOOLBAR_HEIGHT (f) == 0) | |
458 | FRAME_TOOLBAR_HEIGHT (f) = 34; | |
459 | ||
460 | gtk_widget_set_double_buffered (wvbox, FALSE); | |
461 | gtk_widget_set_double_buffered (wfixed, FALSE); | |
462 | gtk_widget_set_double_buffered (wtop, FALSE); | |
463 | ||
464 | /* GTK documents says use gtk_window_set_resizable. But then a user | |
465 | can't shrink the window from its starting size. */ | |
466 | gtk_window_set_policy (GTK_WINDOW (wtop), TRUE, TRUE, TRUE); | |
467 | gtk_window_set_wmclass (GTK_WINDOW (wtop), | |
468 | SDATA (Vx_resource_name), | |
469 | SDATA (Vx_resource_class)); | |
470 | ||
471 | /* Add callback to do nothing on WM_DELETE_WINDOW. The default in | |
472 | GTK is to destroy the widget. We want Emacs to do that instead. */ | |
473 | g_signal_connect (G_OBJECT (wtop), "delete-event", | |
474 | G_CALLBACK (gtk_true), 0); | |
475 | ||
476 | /* Convert our geometry parameters into a geometry string | |
477 | and specify it. | |
478 | GTK will itself handle calculating the real position this way. */ | |
479 | xg_set_geometry (f); | |
480 | ||
481 | gtk_widget_add_events (wfixed, | |
482 | GDK_POINTER_MOTION_MASK | |
483 | | GDK_EXPOSURE_MASK | |
484 | | GDK_BUTTON_PRESS_MASK | |
485 | | GDK_BUTTON_RELEASE_MASK | |
486 | | GDK_KEY_PRESS_MASK | |
487 | | GDK_ENTER_NOTIFY_MASK | |
488 | | GDK_LEAVE_NOTIFY_MASK | |
489 | | GDK_FOCUS_CHANGE_MASK | |
490 | | GDK_STRUCTURE_MASK | |
491 | | GDK_VISIBILITY_NOTIFY_MASK); | |
492 | ||
493 | /* Must realize the windows so the X window gets created. It is used | |
494 | by callers of this function. */ | |
495 | gtk_widget_realize (wfixed); | |
496 | FRAME_X_WINDOW (f) = GTK_WIDGET_TO_X_WIN (wfixed); | |
497 | ||
498 | /* Since GTK clears its window by filling with the background color, | |
499 | we must keep X and GTK background in sync. */ | |
500 | xg_pix_to_gcolor (wfixed, f->output_data.x->background_pixel, &bg); | |
501 | gtk_widget_modify_bg (wfixed, GTK_STATE_NORMAL, &bg); | |
502 | ||
503 | /* Also, do not let any background pixmap to be set, this looks very | |
504 | bad as Emacs overwrites the background pixmap with its own idea | |
505 | of background color. */ | |
506 | style = gtk_widget_get_modifier_style (wfixed); | |
507 | ||
508 | /* Must use g_strdup because gtk_widget_modify_style does g_free. */ | |
509 | style->bg_pixmap_name[GTK_STATE_NORMAL] = g_strdup ("<none>"); | |
510 | gtk_widget_modify_style (wfixed, style); | |
511 | ||
512 | /* GTK does not set any border, and they look bad with GTK. */ | |
513 | f->output_data.x->border_width = 0; | |
514 | f->output_data.x->internal_border_width = 0; | |
515 | ||
516 | UNBLOCK_INPUT; | |
517 | ||
518 | return 1; | |
519 | } | |
520 | ||
521 | /* Set the normal size hints for the window manager, for frame F. | |
522 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
523 | that the window now has. | |
524 | If USER_POSITION is nonzero, we set the User Position | |
525 | flag (this is useful when FLAGS is 0). */ | |
526 | void | |
527 | x_wm_set_size_hint (f, flags, user_position) | |
528 | FRAME_PTR f; | |
529 | long flags; | |
530 | int user_position; | |
531 | { | |
532 | if (FRAME_GTK_OUTER_WIDGET (f)) | |
533 | { | |
534 | /* Must use GTK routines here, otherwise GTK resets the size hints | |
535 | to its own defaults. */ | |
536 | GdkGeometry size_hints; | |
537 | gint hint_flags = 0; | |
538 | int base_width, base_height; | |
539 | int min_rows = 0, min_cols = 0; | |
540 | int win_gravity = f->output_data.x->win_gravity; | |
541 | ||
542 | if (flags) | |
543 | { | |
544 | memset (&size_hints, 0, sizeof (size_hints)); | |
545 | f->output_data.x->size_hints = size_hints; | |
546 | f->output_data.x->hint_flags = hint_flags; | |
547 | } | |
548 | else | |
549 | flags = f->output_data.x->size_hint_flags; | |
550 | ||
551 | size_hints = f->output_data.x->size_hints; | |
552 | hint_flags = f->output_data.x->hint_flags; | |
553 | ||
554 | hint_flags |= GDK_HINT_RESIZE_INC | GDK_HINT_MIN_SIZE; | |
555 | size_hints.width_inc = FONT_WIDTH (f->output_data.x->font); | |
556 | size_hints.height_inc = f->output_data.x->line_height; | |
557 | ||
558 | hint_flags |= GDK_HINT_BASE_SIZE; | |
559 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); | |
560 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0) | |
561 | + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f); | |
562 | ||
563 | check_frame_size (f, &min_rows, &min_cols); | |
564 | ||
565 | size_hints.base_width = base_width; | |
566 | size_hints.base_height = base_height; | |
567 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
568 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
569 | ||
570 | ||
571 | /* These currently have a one to one mapping with the X values, but I | |
572 | don't think we should rely on that. */ | |
573 | hint_flags |= GDK_HINT_WIN_GRAVITY; | |
574 | size_hints.win_gravity = 0; | |
575 | if (win_gravity == NorthWestGravity) | |
576 | size_hints.win_gravity = GDK_GRAVITY_NORTH_WEST; | |
577 | else if (win_gravity == NorthGravity) | |
578 | size_hints.win_gravity = GDK_GRAVITY_NORTH; | |
579 | else if (win_gravity == NorthEastGravity) | |
580 | size_hints.win_gravity = GDK_GRAVITY_NORTH_EAST; | |
581 | else if (win_gravity == WestGravity) | |
582 | size_hints.win_gravity = GDK_GRAVITY_WEST; | |
583 | else if (win_gravity == CenterGravity) | |
584 | size_hints.win_gravity = GDK_GRAVITY_CENTER; | |
585 | else if (win_gravity == EastGravity) | |
586 | size_hints.win_gravity = GDK_GRAVITY_EAST; | |
587 | else if (win_gravity == SouthWestGravity) | |
588 | size_hints.win_gravity = GDK_GRAVITY_SOUTH_WEST; | |
589 | else if (win_gravity == SouthGravity) | |
590 | size_hints.win_gravity = GDK_GRAVITY_SOUTH; | |
591 | else if (win_gravity == SouthEastGravity) | |
592 | size_hints.win_gravity = GDK_GRAVITY_SOUTH_EAST; | |
593 | else if (win_gravity == StaticGravity) | |
594 | size_hints.win_gravity = GDK_GRAVITY_STATIC; | |
595 | ||
596 | if (flags & PPosition) hint_flags |= GDK_HINT_POS; | |
597 | if (flags & USPosition) hint_flags |= GDK_HINT_USER_POS; | |
598 | if (flags & USSize) hint_flags |= GDK_HINT_USER_SIZE; | |
599 | ||
600 | if (user_position) | |
601 | { | |
602 | hint_flags &= ~GDK_HINT_POS; | |
603 | hint_flags |= GDK_HINT_USER_POS; | |
604 | } | |
605 | ||
606 | BLOCK_INPUT; | |
607 | ||
608 | gtk_window_set_geometry_hints (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
609 | FRAME_GTK_OUTER_WIDGET (f), | |
610 | &size_hints, | |
611 | hint_flags); | |
612 | ||
613 | f->output_data.x->size_hints = size_hints; | |
614 | f->output_data.x->hint_flags = hint_flags; | |
615 | UNBLOCK_INPUT; | |
616 | } | |
617 | } | |
618 | ||
619 | /* Change background color of a frame. | |
620 | Since GTK uses the background colour to clear the window, we must | |
621 | keep the GTK and X colors in sync. | |
622 | F is the frame to change, | |
623 | BG is the pixel value to change to. */ | |
624 | void | |
625 | xg_set_background_color (f, bg) | |
626 | FRAME_PTR f; | |
627 | unsigned long bg; | |
628 | { | |
629 | if (FRAME_GTK_WIDGET (f)) | |
630 | { | |
631 | GdkColor gdk_bg; | |
632 | ||
633 | BLOCK_INPUT; | |
634 | xg_pix_to_gcolor (FRAME_GTK_WIDGET (f), bg, &gdk_bg); | |
635 | gtk_widget_modify_bg (FRAME_GTK_WIDGET (f), GTK_STATE_NORMAL, &gdk_bg); | |
636 | UNBLOCK_INPUT; | |
637 | } | |
638 | } | |
639 | ||
640 | ||
641 | \f | |
642 | /*********************************************************************** | |
643 | Dialog functions | |
644 | ***********************************************************************/ | |
645 | /* Return the dialog title to use for a dialog of type KEY. | |
646 | This is the encoding used by lwlib. We use the same for GTK. */ | |
647 | static char * | |
648 | get_dialog_title (char key) | |
649 | { | |
650 | char *title = ""; | |
651 | ||
652 | switch (key) { | |
653 | case 'E': case 'e': | |
654 | title = "Error"; | |
655 | break; | |
656 | ||
657 | case 'I': case 'i': | |
658 | title = "Information"; | |
659 | break; | |
660 | ||
661 | case 'L': case 'l': | |
662 | title = "Prompt"; | |
663 | break; | |
664 | ||
665 | case 'P': case 'p': | |
666 | title = "Prompt"; | |
667 | break; | |
668 | ||
669 | case 'Q': case 'q': | |
670 | title = "Question"; | |
671 | break; | |
672 | } | |
673 | ||
674 | return title; | |
675 | } | |
676 | ||
677 | /* Callback for dialogs that get WM_DELETE_WINDOW. We pop down | |
678 | the dialog, but return TRUE so the event does not propagate further | |
679 | in GTK. This prevents GTK from destroying the dialog widget automatically | |
680 | and we can always destrou the widget manually, regardles of how | |
681 | it was popped down (button press or WM_DELETE_WINDOW). | |
682 | W is the dialog widget. | |
683 | EVENT is the GdkEvent that represents WM_DELETE_WINDOW (not used). | |
684 | user_data is NULL (not used). | |
685 | ||
686 | Returns TRUE to end propagation of event. */ | |
687 | static gboolean | |
688 | dialog_delete_callback (w, event, user_data) | |
689 | GtkWidget *w; | |
690 | GdkEvent *event; | |
691 | gpointer user_data; | |
692 | { | |
693 | gtk_widget_unmap (w); | |
694 | return TRUE; | |
695 | } | |
696 | ||
697 | /* Create a popup dialog window. See also xg_create_widget below. | |
698 | WV is a widget_value describing the dialog. | |
699 | SELECT_CB is the callback to use when a button has been pressed. | |
700 | DEACTIVATE_CB is the callback to use when the dialog pops down. | |
701 | ||
702 | Returns the GTK dialog widget. */ | |
703 | static GtkWidget * | |
704 | create_dialog (wv, select_cb, deactivate_cb) | |
705 | widget_value *wv; | |
706 | GCallback select_cb; | |
707 | GCallback deactivate_cb; | |
708 | { | |
709 | char *title = get_dialog_title (wv->name[0]); | |
710 | int total_buttons = wv->name[1] - '0'; | |
711 | int right_buttons = wv->name[4] - '0'; | |
712 | int left_buttons; | |
713 | int button_nr = 0; | |
714 | int button_spacing = 10; | |
715 | GtkWidget *wdialog = gtk_dialog_new (); | |
716 | widget_value *item; | |
717 | GtkBox *cur_box; | |
718 | GtkWidget *wvbox; | |
719 | GtkWidget *whbox_up; | |
720 | GtkWidget *whbox_down; | |
721 | ||
722 | /* If the number of buttons is greater than 4, make two rows of buttons | |
723 | instead. This looks better. */ | |
724 | int make_two_rows = total_buttons > 4; | |
725 | ||
726 | if (right_buttons == 0) right_buttons = total_buttons/2; | |
727 | left_buttons = total_buttons - right_buttons; | |
728 | ||
729 | gtk_window_set_title (GTK_WINDOW (wdialog), title); | |
730 | gtk_widget_set_name (wdialog, "emacs-dialog"); | |
731 | ||
732 | cur_box = GTK_BOX (GTK_DIALOG (wdialog)->action_area); | |
733 | ||
734 | if (make_two_rows) | |
735 | { | |
736 | wvbox = gtk_vbox_new (TRUE, button_spacing); | |
737 | whbox_up = gtk_hbox_new (FALSE, 0); | |
738 | whbox_down = gtk_hbox_new (FALSE, 0); | |
739 | ||
740 | gtk_box_pack_start (cur_box, wvbox, FALSE, FALSE, 0); | |
741 | gtk_box_pack_start (GTK_BOX (wvbox), whbox_up, FALSE, FALSE, 0); | |
742 | gtk_box_pack_start (GTK_BOX (wvbox), whbox_down, FALSE, FALSE, 0); | |
743 | ||
744 | cur_box = GTK_BOX (whbox_up); | |
745 | } | |
746 | ||
747 | g_signal_connect (G_OBJECT (wdialog), "delete-event", | |
748 | G_CALLBACK (dialog_delete_callback), 0); | |
749 | ||
750 | if (deactivate_cb) | |
751 | { | |
752 | g_signal_connect (G_OBJECT (wdialog), "close", deactivate_cb, 0); | |
753 | g_signal_connect (G_OBJECT (wdialog), "response", deactivate_cb, 0); | |
754 | } | |
755 | ||
756 | for (item = wv->contents; item; item = item->next) | |
757 | { | |
758 | char *utf8_label = get_utf8_string (item->value); | |
759 | GtkWidget *w; | |
760 | GtkRequisition req; | |
761 | ||
762 | if (strcmp (item->name, "message") == 0) | |
763 | { | |
764 | /* This is the text part of the dialog. */ | |
765 | w = gtk_label_new (utf8_label); | |
766 | gtk_box_pack_start (GTK_BOX (GTK_DIALOG (wdialog)->vbox), | |
767 | gtk_label_new (""), | |
768 | FALSE, FALSE, 0); | |
769 | gtk_box_pack_start (GTK_BOX (GTK_DIALOG (wdialog)->vbox), w, | |
770 | TRUE, TRUE, 0); | |
771 | gtk_misc_set_alignment (GTK_MISC (w), 0.1, 0.5); | |
772 | ||
773 | /* Try to make dialog look better. Must realize first so | |
774 | the widget can calculate the size it needs. */ | |
775 | gtk_widget_realize (w); | |
776 | gtk_widget_size_request (w, &req); | |
777 | gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (wdialog)->vbox), | |
778 | req.height); | |
779 | if (strlen (item->value) > 0) | |
780 | button_spacing = 2*req.width/strlen (item->value); | |
781 | } | |
782 | else | |
783 | { | |
784 | /* This is one button to add to the dialog. */ | |
785 | w = gtk_button_new_with_mnemonic (utf8_label); | |
786 | if (! item->enabled) | |
787 | gtk_widget_set_sensitive (w, FALSE); | |
788 | if (select_cb) | |
789 | g_signal_connect (G_OBJECT (w), "clicked", | |
790 | select_cb, item->call_data); | |
791 | ||
792 | gtk_box_pack_start (cur_box, w, TRUE, TRUE, button_spacing); | |
793 | if (++button_nr == left_buttons) | |
794 | { | |
795 | if (make_two_rows) | |
796 | cur_box = GTK_BOX (whbox_down); | |
797 | else | |
798 | gtk_box_pack_start (cur_box, | |
799 | gtk_label_new (""), | |
800 | TRUE, TRUE, | |
801 | button_spacing); | |
802 | } | |
803 | } | |
804 | ||
805 | if (utf8_label && utf8_label != item->value) | |
806 | g_free (utf8_label); | |
807 | } | |
808 | ||
809 | return wdialog; | |
810 | } | |
811 | ||
812 | ||
813 | enum | |
814 | { | |
815 | XG_FILE_NOT_DONE, | |
816 | XG_FILE_OK, | |
817 | XG_FILE_CANCEL, | |
818 | XG_FILE_DESTROYED, | |
819 | }; | |
820 | ||
821 | /* Callback function invoked when the Ok button is pressed in | |
822 | a file dialog. | |
823 | W is the file dialog widget, | |
824 | ARG points to an integer where we record what has happend. */ | |
825 | static void | |
826 | xg_file_sel_ok (w, arg) | |
827 | GtkWidget *w; | |
828 | gpointer arg; | |
829 | { | |
830 | *(int*)arg = XG_FILE_OK; | |
831 | } | |
832 | ||
833 | /* Callback function invoked when the Cancel button is pressed in | |
834 | a file dialog. | |
835 | W is the file dialog widget, | |
836 | ARG points to an integer where we record what has happend. */ | |
837 | static void | |
838 | xg_file_sel_cancel (w, arg) | |
839 | GtkWidget *w; | |
840 | gpointer arg; | |
841 | { | |
842 | *(int*)arg = XG_FILE_CANCEL; | |
843 | } | |
844 | ||
845 | /* Callback function invoked when the file dialog is destroyed (i.e. | |
846 | popped down). We must keep track of this, because if this | |
847 | happens, GTK destroys the widget. But if for example, Ok is pressed, | |
848 | the dialog is popped down, but the dialog widget is not destroyed. | |
849 | W is the file dialog widget, | |
850 | ARG points to an integer where we record what has happend. */ | |
851 | static void | |
852 | xg_file_sel_destroy (w, arg) | |
853 | GtkWidget *w; | |
854 | gpointer arg; | |
855 | { | |
856 | *(int*)arg = XG_FILE_DESTROYED; | |
857 | } | |
858 | ||
859 | /* Read a file name from the user using a file dialog. | |
860 | F is the current frame. | |
861 | PROMPT is a prompt to show to the user. May not be NULL. | |
862 | DEFAULT_FILENAME is a default selection to be displayed. May be NULL. | |
863 | If MUSTMATCH_P is non-zero, the returned file name must be an existing | |
864 | file. | |
865 | ||
866 | Returns a file name or NULL if no file was selected. | |
867 | The returned string must be freed by the caller. */ | |
868 | char * | |
869 | xg_get_file_name (f, prompt, default_filename, mustmatch_p) | |
870 | FRAME_PTR f; | |
871 | char *prompt; | |
872 | char *default_filename; | |
873 | int mustmatch_p; | |
874 | { | |
875 | GtkWidget *filewin; | |
876 | GtkFileSelection *filesel; | |
877 | int filesel_done = XG_FILE_NOT_DONE; | |
878 | char *fn = 0; | |
879 | ||
880 | filewin = gtk_file_selection_new (prompt); | |
881 | filesel = GTK_FILE_SELECTION (filewin); | |
882 | ||
883 | gtk_widget_set_name (filewin, "emacs-filedialog"); | |
884 | ||
885 | gtk_window_set_transient_for (GTK_WINDOW (filewin), | |
886 | GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f))); | |
887 | gtk_window_set_destroy_with_parent (GTK_WINDOW (filewin), TRUE); | |
888 | ||
889 | g_signal_connect (G_OBJECT (filesel->ok_button), | |
890 | "clicked", | |
891 | G_CALLBACK (xg_file_sel_ok), | |
892 | &filesel_done); | |
893 | g_signal_connect (G_OBJECT (filesel->cancel_button), | |
894 | "clicked", | |
895 | G_CALLBACK (xg_file_sel_cancel), | |
896 | &filesel_done); | |
897 | g_signal_connect (G_OBJECT (filesel), | |
898 | "destroy", | |
899 | G_CALLBACK (xg_file_sel_destroy), | |
900 | &filesel_done); | |
901 | ||
902 | if (default_filename) | |
903 | gtk_file_selection_set_filename (filesel, default_filename); | |
904 | ||
905 | if (mustmatch_p) | |
906 | { | |
907 | /* The selection_entry part of filesel is not documented. */ | |
908 | gtk_widget_set_sensitive (filesel->selection_entry, FALSE); | |
909 | gtk_file_selection_hide_fileop_buttons (filesel); | |
910 | } | |
911 | ||
912 | ||
913 | gtk_widget_show_all (filewin); | |
914 | ||
915 | while (filesel_done == XG_FILE_NOT_DONE) | |
916 | gtk_main_iteration (); | |
917 | ||
918 | if (filesel_done == XG_FILE_OK) | |
919 | fn = xstrdup ((char*) gtk_file_selection_get_filename (filesel)); | |
920 | ||
921 | if (filesel_done != XG_FILE_DESTROYED) | |
922 | gtk_widget_destroy (filewin); | |
923 | ||
924 | return fn; | |
925 | } | |
926 | ||
927 | \f | |
928 | /*********************************************************************** | |
929 | Menu functions. | |
930 | ***********************************************************************/ | |
931 | ||
932 | /* The name of menu items that can be used for citomization. Since GTK | |
933 | RC files are very crude and primitive, we have to set this on all | |
934 | menu item names so a user can easily cutomize menu items. */ | |
935 | ||
936 | #define MENU_ITEM_NAME "emacs-menuitem" | |
937 | ||
938 | ||
939 | /* Linked list of all allocated struct xg_menu_cb_data. Used for marking | |
940 | during GC. The next member points to the items. */ | |
941 | static xg_list_node xg_menu_cb_list; | |
942 | ||
943 | /* Linked list of all allocated struct xg_menu_item_cb_data. Used for marking | |
944 | during GC. The next member points to the items. */ | |
945 | static xg_list_node xg_menu_item_cb_list; | |
946 | ||
947 | /* Allocate and initialize CL_DATA if NULL, otherwise increase ref_count. | |
948 | F is the frame CL_DATA will be initialized for. | |
949 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
950 | ||
951 | The menu bar and all sub menus under the menu bar in a frame | |
952 | share the same structure, hence the reference count. | |
953 | ||
954 | Returns CL_DATA if CL_DATA is not NULL, or a pointer to a newly | |
955 | allocated xg_menu_cb_data if CL_DATA is NULL. */ | |
956 | static xg_menu_cb_data * | |
957 | make_cl_data (cl_data, f, highlight_cb) | |
958 | xg_menu_cb_data *cl_data; | |
959 | FRAME_PTR f; | |
960 | GCallback highlight_cb; | |
961 | { | |
962 | if (! cl_data) | |
963 | { | |
964 | cl_data = (xg_menu_cb_data*) xmalloc (sizeof (*cl_data)); | |
965 | cl_data->f = f; | |
966 | cl_data->menu_bar_vector = f->menu_bar_vector; | |
967 | cl_data->menu_bar_items_used = f->menu_bar_items_used; | |
968 | cl_data->highlight_cb = highlight_cb; | |
969 | cl_data->ref_count = 0; | |
970 | ||
971 | xg_list_insert (&xg_menu_cb_list, &cl_data->ptrs); | |
972 | } | |
973 | ||
974 | cl_data->ref_count++; | |
975 | ||
976 | return cl_data; | |
977 | } | |
978 | ||
979 | /* Update CL_DATA with values from frame F and with HIGHLIGHT_CB. | |
980 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
981 | ||
982 | When the menu bar is updated, menu items may have been added and/or | |
983 | removed, so menu_bar_vector and menu_bar_items_used change. We must | |
984 | then update CL_DATA since it is used to determine which menu | |
985 | item that is invoked in the menu. | |
986 | HIGHLIGHT_CB could change, there is no check that the same | |
987 | function is given when modifying a menu bar as was given when | |
988 | creating the menu bar. */ | |
989 | static void | |
990 | update_cl_data (cl_data, f, highlight_cb) | |
991 | xg_menu_cb_data *cl_data; | |
992 | FRAME_PTR f; | |
993 | GCallback highlight_cb; | |
994 | { | |
995 | if (cl_data) | |
996 | { | |
997 | cl_data->f = f; | |
998 | cl_data->menu_bar_vector = f->menu_bar_vector; | |
999 | cl_data->menu_bar_items_used = f->menu_bar_items_used; | |
1000 | cl_data->highlight_cb = highlight_cb; | |
1001 | } | |
1002 | } | |
1003 | ||
1004 | /* Decrease reference count for CL_DATA. | |
1005 | If reference count is zero, free CL_DATA. */ | |
1006 | static void | |
1007 | unref_cl_data (cl_data) | |
1008 | xg_menu_cb_data *cl_data; | |
1009 | { | |
1010 | if (cl_data && cl_data->ref_count > 0) | |
1011 | { | |
1012 | cl_data->ref_count--; | |
1013 | if (cl_data->ref_count == 0) | |
1014 | { | |
1015 | xg_list_remove (&xg_menu_cb_list, &cl_data->ptrs); | |
1016 | xfree (cl_data); | |
1017 | } | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | /* Function that marks all lisp data during GC. */ | |
1022 | void | |
1023 | xg_mark_data () | |
1024 | { | |
1025 | xg_list_node *iter; | |
1026 | ||
1027 | for (iter = xg_menu_cb_list.next; iter; iter = iter->next) | |
1028 | mark_object (&((xg_menu_cb_data *) iter)->menu_bar_vector); | |
1029 | ||
1030 | for (iter = xg_menu_item_cb_list.next; iter; iter = iter->next) | |
1031 | { | |
1032 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data *) iter; | |
1033 | ||
1034 | if (! NILP (cb_data->help)) | |
1035 | mark_object (&cb_data->help); | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | ||
1040 | /* Callback called when a menu item is destroyed. Used to free data. | |
1041 | W is the widget that is being destroyed (not used). | |
1042 | CLIENT_DATA points to the xg_menu_item_cb_data associated with the W. */ | |
1043 | static void | |
1044 | menuitem_destroy_callback (w, client_data) | |
1045 | GtkWidget *w; | |
1046 | gpointer client_data; | |
1047 | { | |
1048 | if (client_data) | |
1049 | { | |
1050 | xg_menu_item_cb_data *data = (xg_menu_item_cb_data*) client_data; | |
1051 | xg_list_remove (&xg_menu_item_cb_list, &data->ptrs); | |
1052 | xfree (data); | |
1053 | } | |
1054 | } | |
1055 | ||
1056 | /* Callback called when the pointer enters/leaves a menu item. | |
1057 | W is the menu item. | |
1058 | EVENT is either an enter event or leave event. | |
1059 | CLIENT_DATA points to the xg_menu_item_cb_data associated with the W. | |
1060 | ||
1061 | Returns FALSE to tell GTK to keep processing this event. */ | |
1062 | static gboolean | |
1063 | menuitem_highlight_callback (w, event, client_data) | |
1064 | GtkWidget *w; | |
1065 | GdkEventCrossing *event; | |
1066 | gpointer client_data; | |
1067 | { | |
1068 | if (client_data) | |
1069 | { | |
1070 | xg_menu_item_cb_data *data = (xg_menu_item_cb_data*) client_data; | |
1071 | gpointer call_data = event->type == GDK_LEAVE_NOTIFY ? 0 : client_data; | |
1072 | ||
1073 | if (! NILP (data->help) && data->cl_data->highlight_cb) | |
1074 | { | |
1075 | GtkCallback func = (GtkCallback) data->cl_data->highlight_cb; | |
1076 | (*func) (w, call_data); | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | return FALSE; | |
1081 | } | |
1082 | ||
1083 | /* Callback called when a menu is destroyed. Used to free data. | |
1084 | W is the widget that is being destroyed (not used). | |
1085 | CLIENT_DATA points to the xg_menu_cb_data associated with W. */ | |
1086 | static void | |
1087 | menu_destroy_callback (w, client_data) | |
1088 | GtkWidget *w; | |
1089 | gpointer client_data; | |
1090 | { | |
1091 | unref_cl_data ((xg_menu_cb_data*) client_data); | |
1092 | } | |
1093 | ||
1094 | /* Callback called when a menu does a grab or ungrab. That means the | |
1095 | menu has been activated or deactivated. | |
1096 | Used to start a timer so the small timeout the menus in GTK uses before | |
1097 | popping down a menu is seen by Emacs (see xg_process_timeouts above). | |
1098 | W is the widget that does the grab (not used). | |
1099 | UNGRAB_P is TRUE if this is an ungrab, FALSE if it is a grab. | |
1100 | CLIENT_DATA is NULL (not used). */ | |
1101 | static void | |
1102 | menu_grab_callback (GtkWidget *widget, | |
1103 | gboolean ungrab_p, | |
1104 | gpointer client_data) | |
1105 | { | |
1106 | /* Keep track of total number of grabs. */ | |
1107 | static int cnt; | |
1108 | ||
1109 | if (ungrab_p) cnt--; | |
1110 | else cnt++; | |
1111 | ||
1112 | if (cnt > 0 && ! xg_timer) xg_start_timer (); | |
1113 | else if (cnt == 0 && xg_timer) xg_stop_timer (); | |
1114 | } | |
1115 | ||
1116 | /* Make a GTK widget that contains both UTF8_LABEL and UTF8_KEY (both | |
1117 | must be non-NULL) and can be inserted into a menu item. | |
1118 | ||
1119 | Returns the GtkHBox. */ | |
1120 | static GtkWidget * | |
1121 | make_widget_for_menu_item (utf8_label, utf8_key) | |
1122 | char *utf8_label; | |
1123 | char *utf8_key; | |
1124 | { | |
1125 | GtkWidget *wlbl; | |
1126 | GtkWidget *wkey; | |
1127 | GtkWidget *wbox; | |
1128 | ||
1129 | wbox = gtk_hbox_new (FALSE, 0); | |
1130 | wlbl = gtk_label_new_with_mnemonic (utf8_label); | |
1131 | wkey = gtk_label_new (utf8_key); | |
1132 | ||
1133 | gtk_misc_set_alignment (GTK_MISC (wlbl), 0.0, 0.5); | |
1134 | gtk_misc_set_alignment (GTK_MISC (wkey), 0.0, 0.5); | |
1135 | ||
1136 | gtk_box_pack_start (GTK_BOX (wbox), wlbl, TRUE, TRUE, 0); | |
1137 | gtk_box_pack_start (GTK_BOX (wbox), wkey, FALSE, FALSE, 0); | |
1138 | ||
1139 | gtk_widget_set_name (wlbl, MENU_ITEM_NAME); | |
1140 | gtk_widget_set_name (wkey, MENU_ITEM_NAME); | |
1141 | ||
1142 | return wbox; | |
1143 | } | |
1144 | ||
1145 | /* Make and return a menu item widget with the key to the right. | |
1146 | UTF8_LABEL is the text for the menu item (GTK uses UTF8 internally). | |
1147 | UTF8_KEY is the text representing the key binding. | |
1148 | ITEM is the widget_value describing the menu item. | |
1149 | ||
1150 | GROUP is an in/out parameter. If the menu item to be created is not | |
1151 | part of any radio menu group, *GROUP contains NULL on entry and exit. | |
1152 | If the menu item to be created is part of a radio menu group, on entry | |
1153 | *GROUP contains the group to use, or NULL if this is the first item | |
1154 | in the group. On exit, *GROUP contains the radio item group. | |
1155 | ||
1156 | Unfortunately, keys don't line up as nicely as in Motif, | |
1157 | but the MacOS X version doesn't either, so I guess that is OK. */ | |
1158 | static GtkWidget * | |
1159 | make_menu_item (utf8_label, utf8_key, item, group) | |
1160 | char *utf8_label; | |
1161 | char *utf8_key; | |
1162 | widget_value *item; | |
1163 | GSList **group; | |
1164 | { | |
1165 | GtkWidget *w; | |
1166 | GtkWidget *wtoadd = 0; | |
1167 | ||
1168 | if (utf8_key) | |
1169 | wtoadd = make_widget_for_menu_item (utf8_label, utf8_key); | |
1170 | ||
1171 | if (item->button_type == BUTTON_TYPE_TOGGLE) | |
1172 | { | |
1173 | *group = NULL; | |
1174 | if (utf8_key) w = gtk_check_menu_item_new (); | |
1175 | else w = gtk_check_menu_item_new_with_mnemonic (utf8_label); | |
1176 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), item->selected); | |
1177 | } | |
1178 | else if (item->button_type == BUTTON_TYPE_RADIO) | |
1179 | { | |
1180 | if (utf8_key) w = gtk_radio_menu_item_new (*group); | |
1181 | else w = gtk_radio_menu_item_new_with_mnemonic (*group, utf8_label); | |
1182 | *group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (w)); | |
1183 | if (item->selected) | |
1184 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), TRUE); | |
1185 | } | |
1186 | else | |
1187 | { | |
1188 | *group = NULL; | |
1189 | if (utf8_key) w = gtk_menu_item_new (); | |
1190 | else w = gtk_menu_item_new_with_mnemonic (utf8_label); | |
1191 | } | |
1192 | ||
1193 | if (wtoadd) gtk_container_add (GTK_CONTAINER (w), wtoadd); | |
1194 | if (! item->enabled) gtk_widget_set_sensitive (w, FALSE); | |
1195 | ||
1196 | return w; | |
1197 | } | |
1198 | ||
1199 | /* Return non-zero if NAME specifies a separator (GTK only has one | |
1200 | separator type) */ | |
1201 | static int | |
1202 | xg_separator_p (char *name) | |
1203 | { | |
1204 | return strcmp (name, "--") == 0 | |
1205 | || strcmp (name, "--:") == 0 | |
1206 | || strcmp (name, "---") == 0; | |
1207 | } | |
1208 | ||
1209 | GtkWidget *xg_did_tearoff; | |
1210 | ||
1211 | /* Callback invoked when a detached menu window is removed. Here we | |
1212 | delete the popup menu. | |
1213 | WIDGET is the top level window that is removed (the parent of the menu). | |
1214 | EVENT is the event that triggers the window removal. | |
1215 | CLIENT_DATA points to the menu that is detached. | |
1216 | ||
1217 | Returns TRUE to tell GTK to stop processing this event. */ | |
1218 | static gboolean | |
1219 | tearoff_remove (widget, event, client_data) | |
1220 | GtkWidget *widget; | |
1221 | GdkEvent *event; | |
1222 | gpointer client_data; | |
1223 | { | |
1224 | gtk_widget_destroy (GTK_WIDGET (client_data)); | |
1225 | return TRUE; | |
1226 | } | |
1227 | ||
1228 | /* Callback invoked when a menu is detached. It sets the xg_did_tearoff | |
1229 | variable. | |
1230 | WIDGET is the GtkTearoffMenuItem. | |
1231 | CLIENT_DATA is not used. */ | |
1232 | static void | |
1233 | tearoff_activate (widget, client_data) | |
1234 | GtkWidget *widget; | |
1235 | gpointer client_data; | |
1236 | { | |
1237 | GtkWidget *menu = gtk_widget_get_parent (widget); | |
1238 | if (! gtk_menu_get_tearoff_state (GTK_MENU (menu))) | |
1239 | return; | |
1240 | ||
1241 | xg_did_tearoff = menu; | |
1242 | } | |
1243 | ||
1244 | /* If a detach of a popup menu is done, this function should be called | |
1245 | to keep the menu around until the detached window is removed. | |
1246 | MENU is the top level menu for the popup, | |
1247 | SUBMENU is the menu that got detached (that is MENU or a | |
1248 | submenu of MENU), see the xg_did_tearoff variable. */ | |
1249 | void | |
1250 | xg_keep_popup (menu, submenu) | |
1251 | GtkWidget *menu; | |
1252 | GtkWidget *submenu; | |
1253 | { | |
1254 | GtkWidget *p; | |
1255 | ||
1256 | /* Find the top widget for the detached menu. */ | |
1257 | p = gtk_widget_get_toplevel (submenu); | |
1258 | ||
1259 | /* Delay destroying the menu until the detached menu is removed. */ | |
1260 | g_signal_connect (G_OBJECT (p), "unmap_event", | |
1261 | G_CALLBACK (tearoff_remove), menu); | |
1262 | } | |
1263 | ||
1264 | int xg_debug = 0; | |
1265 | ||
1266 | /* Create a menu item widget, and connect the callbacks. | |
1267 | ITEM decribes the menu item. | |
1268 | F is the frame the created menu belongs to. | |
1269 | SELECT_CB is the callback to use when a menu item is selected. | |
1270 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1271 | CL_DATA points to the callback data to be used for this menu. | |
1272 | GROUP is an in/out parameter. If the menu item to be created is not | |
1273 | part of any radio menu group, *GROUP contains NULL on entry and exit. | |
1274 | If the menu item to be created is part of a radio menu group, on entry | |
1275 | *GROUP contains the group to use, or NULL if this is the first item | |
1276 | in the group. On exit, *GROUP contains the radio item group. | |
1277 | ||
1278 | Returns the created GtkWidget. */ | |
1279 | static GtkWidget * | |
1280 | xg_create_one_menuitem (item, f, select_cb, highlight_cb, cl_data, group) | |
1281 | widget_value *item; | |
1282 | FRAME_PTR f; | |
1283 | GCallback select_cb; | |
1284 | GCallback highlight_cb; | |
1285 | xg_menu_cb_data *cl_data; | |
1286 | GSList **group; | |
1287 | { | |
1288 | char *utf8_label; | |
1289 | char *utf8_key; | |
1290 | GtkWidget *w; | |
1291 | xg_menu_item_cb_data *cb_data; | |
1292 | ||
1293 | utf8_label = get_utf8_string (item->name); | |
1294 | utf8_key = get_utf8_string (item->key); | |
1295 | ||
1296 | w = make_menu_item (utf8_label, utf8_key, item, group); | |
1297 | ||
1298 | if (utf8_label && utf8_label != item->name) g_free (utf8_label); | |
1299 | if (utf8_key && utf8_key != item->key) g_free (utf8_key); | |
1300 | ||
1301 | cb_data = xmalloc (sizeof (xg_menu_item_cb_data)); | |
1302 | ||
1303 | xg_list_insert (&xg_menu_item_cb_list, &cb_data->ptrs); | |
1304 | ||
1305 | cb_data->unhighlight_id = cb_data->highlight_id = cb_data->select_id = 0; | |
1306 | cb_data->help = item->help; | |
1307 | cb_data->cl_data = cl_data; | |
1308 | cb_data->call_data = item->call_data; | |
1309 | ||
1310 | g_signal_connect (G_OBJECT (w), | |
1311 | "destroy", | |
1312 | G_CALLBACK (menuitem_destroy_callback), | |
1313 | cb_data); | |
1314 | ||
1315 | /* Put cb_data in widget, so we can get at it when modifying menubar */ | |
1316 | g_object_set_data (G_OBJECT (w), XG_ITEM_DATA, cb_data); | |
1317 | ||
1318 | /* final item, not a submenu */ | |
1319 | if (item->call_data && ! item->contents) | |
1320 | { | |
1321 | if (select_cb) | |
1322 | cb_data->select_id | |
1323 | = g_signal_connect (G_OBJECT (w), "activate", select_cb, cb_data); | |
1324 | } | |
1325 | ||
1326 | if (! NILP (item->help) && highlight_cb) | |
1327 | { | |
1328 | /* We use enter/leave notify instead of select/deselect because | |
1329 | select/deselect doesn't go well with detached menus. */ | |
1330 | cb_data->highlight_id | |
1331 | = g_signal_connect (G_OBJECT (w), | |
1332 | "enter-notify-event", | |
1333 | G_CALLBACK (menuitem_highlight_callback), | |
1334 | cb_data); | |
1335 | cb_data->unhighlight_id | |
1336 | = g_signal_connect (G_OBJECT (w), | |
1337 | "leave-notify-event", | |
1338 | G_CALLBACK (menuitem_highlight_callback), | |
1339 | cb_data); | |
1340 | } | |
1341 | ||
1342 | return w; | |
1343 | } | |
1344 | ||
1345 | /* Create a full menu tree specified by DATA. | |
1346 | F is the frame the created menu belongs to. | |
1347 | SELECT_CB is the callback to use when a menu item is selected. | |
1348 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. | |
1349 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1350 | POP_UP_P is non-zero if we shall create a popup menu. | |
1351 | MENU_BAR_P is non-zero if we shall create a menu bar. | |
1352 | ADD_TEAROFF_P is non-zero if we shall add a teroff menu item. Ignored | |
1353 | if MENU_BAR_P is non-zero. | |
1354 | TOPMENU is the topmost GtkWidget that others shall be placed under. | |
1355 | It may be NULL, in that case we create the appropriate widget | |
1356 | (menu bar or menu item depending on POP_UP_P and MENU_BAR_P) | |
1357 | CL_DATA is the callback data we shall use for this menu, or NULL | |
1358 | if we haven't set the first callback yet. | |
1359 | NAME is the name to give to the top level menu if this function | |
1360 | creates it. May be NULL to not set any name. | |
1361 | ||
1362 | Returns the top level GtkWidget. This is TOPLEVEL if TOPLEVEL is | |
1363 | not NULL. | |
1364 | ||
1365 | This function calls itself to create submenus. */ | |
1366 | ||
1367 | static GtkWidget * | |
1368 | create_menus (data, f, select_cb, deactivate_cb, highlight_cb, | |
1369 | pop_up_p, menu_bar_p, add_tearoff_p, topmenu, cl_data, name) | |
1370 | widget_value *data; | |
1371 | FRAME_PTR f; | |
1372 | GCallback select_cb; | |
1373 | GCallback deactivate_cb; | |
1374 | GCallback highlight_cb; | |
1375 | int pop_up_p; | |
1376 | int menu_bar_p; | |
1377 | int add_tearoff_p; | |
1378 | GtkWidget *topmenu; | |
1379 | xg_menu_cb_data *cl_data; | |
1380 | char *name; | |
1381 | { | |
1382 | widget_value *item; | |
1383 | GtkWidget *wmenu = topmenu; | |
1384 | GSList *group = NULL; | |
1385 | ||
1386 | if (! topmenu) | |
1387 | { | |
1388 | if (! menu_bar_p) wmenu = gtk_menu_new (); | |
1389 | else wmenu = gtk_menu_bar_new (); | |
1390 | ||
1391 | /* Put cl_data on the top menu for easier access. */ | |
1392 | cl_data = make_cl_data (cl_data, f, highlight_cb); | |
1393 | g_object_set_data (G_OBJECT (wmenu), XG_FRAME_DATA, (gpointer)cl_data); | |
1394 | g_signal_connect (G_OBJECT (wmenu), "destroy", | |
1395 | G_CALLBACK (menu_destroy_callback), cl_data); | |
1396 | ||
1397 | if (name) | |
1398 | gtk_widget_set_name (wmenu, name); | |
1399 | ||
1400 | if (deactivate_cb) | |
1401 | g_signal_connect (G_OBJECT (wmenu), | |
1402 | "deactivate", deactivate_cb, 0); | |
1403 | ||
1404 | g_signal_connect (G_OBJECT (wmenu), | |
1405 | "grab-notify", G_CALLBACK (menu_grab_callback), 0); | |
1406 | } | |
1407 | ||
1408 | if (! menu_bar_p && add_tearoff_p) | |
1409 | { | |
1410 | GtkWidget *tearoff = gtk_tearoff_menu_item_new (); | |
1411 | gtk_menu_shell_append (GTK_MENU_SHELL (wmenu), tearoff); | |
1412 | ||
1413 | g_signal_connect (G_OBJECT (tearoff), "activate", | |
1414 | G_CALLBACK (tearoff_activate), 0); | |
1415 | } | |
1416 | ||
1417 | for (item = data; item; item = item->next) | |
1418 | { | |
1419 | GtkWidget *w; | |
1420 | ||
1421 | if (pop_up_p && !item->contents && !item->call_data | |
1422 | && !xg_separator_p (item->name)) | |
1423 | { | |
1424 | char *utf8_label; | |
1425 | /* A title for a popup. We do the same as GTK does when | |
1426 | creating titles, but it does not look good. */ | |
1427 | group = NULL; | |
1428 | utf8_label = get_utf8_string (item->name); | |
1429 | ||
1430 | gtk_menu_set_title (GTK_MENU (wmenu), utf8_label); | |
1431 | w = gtk_menu_item_new_with_mnemonic (utf8_label); | |
1432 | gtk_widget_set_sensitive (w, FALSE); | |
1433 | if (utf8_label && utf8_label != item->name) g_free (utf8_label); | |
1434 | } | |
1435 | else if (xg_separator_p (item->name)) | |
1436 | { | |
1437 | group = NULL; | |
1438 | /* GTK only have one separator type. */ | |
1439 | w = gtk_separator_menu_item_new (); | |
1440 | } | |
1441 | else | |
1442 | { | |
1443 | w = xg_create_one_menuitem (item, | |
1444 | f, | |
1445 | item->contents ? 0 : select_cb, | |
1446 | highlight_cb, | |
1447 | cl_data, | |
1448 | &group); | |
1449 | ||
1450 | if (item->contents) | |
1451 | { | |
1452 | GtkWidget *submenu = create_menus (item->contents, | |
1453 | f, | |
1454 | select_cb, | |
1455 | deactivate_cb, | |
1456 | highlight_cb, | |
1457 | 0, | |
1458 | 0, | |
1459 | 1, | |
1460 | 0, | |
1461 | cl_data, | |
1462 | 0); | |
1463 | gtk_menu_item_set_submenu (GTK_MENU_ITEM (w), submenu); | |
1464 | } | |
1465 | ||
1466 | /* Assume "Help" is the last menu in the menubar. */ | |
1467 | if (menu_bar_p && ! item->next) | |
1468 | gtk_menu_item_set_right_justified (GTK_MENU_ITEM (w), TRUE); | |
1469 | } | |
1470 | ||
1471 | gtk_menu_shell_append (GTK_MENU_SHELL (wmenu), w); | |
1472 | gtk_widget_set_name (w, MENU_ITEM_NAME); | |
1473 | } | |
1474 | ||
1475 | return wmenu; | |
1476 | } | |
1477 | ||
1478 | /* Create a menubar, popup menu or dialog, depending on the TYPE argument. | |
1479 | TYPE can be "menubar", "popup" for popup menu, or "dialog" for a dialog | |
1480 | with some text and buttons. | |
1481 | F is the frame the created item belongs to. | |
1482 | NAME is the name to use for the top widget. | |
1483 | VAL is a widget_value structure describing items to be created. | |
1484 | SELECT_CB is the callback to use when a menu item is selected or | |
1485 | a dialog button is pressed. | |
1486 | DEACTIVATE_CB is the callback to use when an item is deactivated. | |
1487 | For a menu, when a sub menu is not shown anymore, for a dialog it is | |
1488 | called when the dialog is popped down. | |
1489 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1490 | ||
1491 | Returns the widget created. */ | |
1492 | GtkWidget * | |
1493 | xg_create_widget (type, name, f, val, | |
1494 | select_cb, deactivate_cb, highlight_cb) | |
1495 | char *type; | |
1496 | char *name; | |
1497 | FRAME_PTR f; | |
1498 | widget_value *val; | |
1499 | GCallback select_cb; | |
1500 | GCallback deactivate_cb; | |
1501 | GCallback highlight_cb; | |
1502 | { | |
1503 | GtkWidget *w = 0; | |
1504 | if (strcmp (type, "dialog") == 0) | |
1505 | { | |
1506 | w = create_dialog (val, select_cb, deactivate_cb); | |
1507 | gtk_window_set_transient_for (GTK_WINDOW (w), | |
1508 | GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f))); | |
1509 | gtk_window_set_destroy_with_parent (GTK_WINDOW (w), TRUE); | |
1510 | ||
1511 | if (w) | |
1512 | gtk_widget_set_name (w, "emacs-dialog"); | |
1513 | } | |
1514 | else if (strcmp (type, "menubar") == 0 || strcmp (type, "popup") == 0) | |
1515 | { | |
1516 | w = create_menus (val->contents, | |
1517 | f, | |
1518 | select_cb, | |
1519 | deactivate_cb, | |
1520 | highlight_cb, | |
1521 | strcmp (type, "popup") == 0, | |
1522 | strcmp (type, "menubar") == 0, | |
1523 | 1, | |
1524 | 0, | |
1525 | 0, | |
1526 | name); | |
1527 | ||
1528 | /* Set the cursor to an arrow for popup menus when they are mapped. | |
1529 | This is done by default for menu bar menus. */ | |
1530 | if (strcmp (type, "popup") == 0) | |
1531 | { | |
1532 | /* Must realize so the GdkWindow inside the widget is created. */ | |
1533 | gtk_widget_realize (w); | |
1534 | xg_set_cursor (w, &xg_left_ptr_cursor); | |
1535 | } | |
1536 | } | |
1537 | else | |
1538 | { | |
1539 | fprintf (stderr, "bad type in xg_create_widget: %s, doing nothing\n", | |
1540 | type); | |
1541 | } | |
1542 | ||
1543 | return w; | |
1544 | } | |
1545 | ||
1546 | static const char * | |
1547 | xg_get_menu_item_label (witem) | |
1548 | GtkMenuItem *witem; | |
1549 | { | |
1550 | GtkLabel *wlabel = GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem))); | |
1551 | return gtk_label_get_label (wlabel); | |
1552 | } | |
1553 | ||
1554 | static int | |
1555 | xg_item_label_same_p (witem, label) | |
1556 | GtkMenuItem *witem; | |
1557 | char *label; | |
1558 | { | |
1559 | int is_same; | |
1560 | char *utf8_label = get_utf8_string (label); | |
1561 | ||
1562 | is_same = strcmp (utf8_label, xg_get_menu_item_label (witem)) == 0; | |
1563 | if (utf8_label != label) g_free (utf8_label); | |
1564 | ||
1565 | return is_same; | |
1566 | } | |
1567 | ||
1568 | /* Remove widgets in LIST from container WCONT. */ | |
1569 | static void | |
1570 | remove_from_container (wcont, list) | |
1571 | GtkWidget *wcont; | |
1572 | GList *list; | |
1573 | { | |
1574 | /* We must copy list because gtk_container_remove changes it. */ | |
1575 | GList *clist = g_list_copy (list); | |
1576 | GList *iter; | |
1577 | ||
1578 | for (iter = clist; iter; iter = g_list_next (iter)) | |
1579 | { | |
1580 | GtkWidget *w = GTK_WIDGET (iter->data); | |
1581 | ||
1582 | /* Add a ref to w so we can explicitly destroy it later. */ | |
1583 | gtk_widget_ref (w); | |
1584 | gtk_container_remove (GTK_CONTAINER (wcont), w); | |
1585 | ||
1586 | /* If there is a menu under this widget that has been detached, | |
1587 | there is a reference to it, and just removing w from the | |
1588 | container does not destroy the submenu. By explicitly | |
1589 | destroying w we make sure the submenu is destroyed, thus | |
1590 | removing the detached window also if there was one. */ | |
1591 | gtk_widget_destroy (w); | |
1592 | } | |
1593 | g_list_free (clist); | |
1594 | } | |
1595 | ||
1596 | /* Update the top level names in MENUBAR (i.e. not submenus). | |
1597 | F is the frame the menu bar belongs to. | |
1598 | LIST is a list with the current menu bar names (menu item widgets). | |
1599 | VAL describes what the menu bar shall look like after the update. | |
1600 | SELECT_CB is the callback to use when a menu item is selected. | |
1601 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1602 | ||
1603 | This function calls itself to walk through the menu bar names. */ | |
1604 | static void | |
1605 | xg_update_menubar (menubar, f, list, val, select_cb, highlight_cb, cl_data) | |
1606 | GtkWidget *menubar; | |
1607 | FRAME_PTR f; | |
1608 | GList *list; | |
1609 | widget_value *val; | |
1610 | GCallback select_cb; | |
1611 | GCallback highlight_cb; | |
1612 | xg_menu_cb_data *cl_data; | |
1613 | { | |
1614 | if (! list && ! val) | |
1615 | return; | |
1616 | else if (list && ! val) | |
1617 | { | |
1618 | /* Item(s) have been removed. Remove all remaining items from list. */ | |
1619 | remove_from_container (menubar, list); | |
1620 | ||
1621 | /* All updated. */ | |
1622 | val = 0; | |
1623 | list = 0; | |
1624 | } | |
1625 | else if (! list && val) | |
1626 | { | |
1627 | /* Item(s) added. Add all new items in one call. */ | |
1628 | create_menus (val, f, select_cb, 0, highlight_cb, | |
1629 | 0, 1, 0, menubar, cl_data, 0); | |
1630 | ||
1631 | /* All updated. */ | |
1632 | val = 0; | |
1633 | list = 0; | |
1634 | } | |
1635 | /* Below this neither list or val is NULL */ | |
1636 | else if (xg_item_label_same_p (GTK_MENU_ITEM (list->data), val->name)) | |
1637 | { | |
1638 | /* This item is still the same, check next item. */ | |
1639 | val = val->next; | |
1640 | list = g_list_next (list); | |
1641 | } | |
1642 | else /* This item is changed. */ | |
1643 | { | |
1644 | GtkMenuItem *witem = GTK_MENU_ITEM (list->data); | |
1645 | GtkMenuItem *witem2 = 0; | |
1646 | int pos = 0; | |
1647 | int val_in_menubar = 0; | |
1648 | int list_in_new_menubar = 0; | |
1649 | GList *list2; | |
1650 | GList *iter; | |
1651 | widget_value *cur; | |
1652 | ||
1653 | ||
1654 | /* Get position number for witem. */ | |
1655 | list2 = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
1656 | for (iter = list2; iter; iter = g_list_next (iter)) | |
1657 | { | |
1658 | if (list->data == iter->data) break; | |
1659 | ++pos; | |
1660 | } | |
1661 | ||
1662 | /* See if the changed entry (val) is present later in the menu bar */ | |
1663 | for (iter = g_list_next (list); | |
1664 | iter && ! val_in_menubar; | |
1665 | iter = g_list_next (iter)) | |
1666 | { | |
1667 | witem2 = GTK_MENU_ITEM (iter->data); | |
1668 | val_in_menubar = xg_item_label_same_p (witem2, val->name); | |
1669 | } | |
1670 | ||
1671 | /* See if the current entry (list) is present later in the | |
1672 | specification for the new menu bar. */ | |
1673 | for (cur = val; cur && ! list_in_new_menubar; cur = cur->next) | |
1674 | list_in_new_menubar = xg_item_label_same_p (witem, cur->name); | |
1675 | ||
1676 | if (val_in_menubar && ! list_in_new_menubar) | |
1677 | { | |
1678 | /* This corresponds to: | |
1679 | Current: A B C | |
1680 | New: A C | |
1681 | Remove B. */ | |
1682 | ||
1683 | gtk_widget_ref (GTK_WIDGET (witem)); | |
1684 | gtk_container_remove (GTK_CONTAINER (menubar), GTK_WIDGET (witem)); | |
1685 | gtk_widget_destroy (GTK_WIDGET (witem)); | |
1686 | ||
1687 | /* Must get new list since the old changed. */ | |
1688 | list = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
1689 | while (pos-- > 0) list = g_list_next (list); | |
1690 | } | |
1691 | else if (! val_in_menubar && ! list_in_new_menubar) | |
1692 | { | |
1693 | /* This corresponds to: | |
1694 | Current: A B C | |
1695 | New: A X C | |
1696 | Rename B to X. This might seem to be a strange thing to do, | |
1697 | since if there is a menu under B it will be totally wrong for X. | |
1698 | But consider editing a C file. Then there is a C-mode menu | |
1699 | (corresponds to B above). | |
1700 | If then doing C-x C-f the minibuf menu (X above) replaces the | |
1701 | C-mode menu. When returning from the minibuffer, we get | |
1702 | back the C-mode menu. Thus we do: | |
1703 | Rename B to X (C-mode to minibuf menu) | |
1704 | Rename X to B (minibuf to C-mode menu). | |
1705 | If the X menu hasn't been invoked, the menu under B | |
1706 | is up to date when leaving the minibuffer. */ | |
1707 | GtkLabel *wlabel = GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem))); | |
1708 | char *utf8_label = get_utf8_string (val->name); | |
1709 | ||
1710 | gtk_label_set_text_with_mnemonic (wlabel, utf8_label); | |
1711 | ||
1712 | list = g_list_next (list); | |
1713 | val = val->next; | |
1714 | } | |
1715 | else if (! val_in_menubar && list_in_new_menubar) | |
1716 | { | |
1717 | /* This corresponds to: | |
1718 | Current: A B C | |
1719 | New: A X B C | |
1720 | Insert X. */ | |
1721 | ||
1722 | GList *group = 0; | |
1723 | GtkWidget *w = xg_create_one_menuitem (val, | |
1724 | f, | |
1725 | select_cb, | |
1726 | highlight_cb, | |
1727 | cl_data, | |
1728 | &group); | |
1729 | ||
1730 | gtk_widget_set_name (w, MENU_ITEM_NAME); | |
1731 | gtk_menu_shell_insert (GTK_MENU_SHELL (menubar), w, pos); | |
1732 | ||
1733 | list = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
1734 | while (pos-- > 0) list = g_list_next (list); | |
1735 | list = g_list_next (list); | |
1736 | val = val->next; | |
1737 | } | |
1738 | else /* if (val_in_menubar && list_in_new_menubar) */ | |
1739 | { | |
1740 | /* This corresponds to: | |
1741 | Current: A B C | |
1742 | New: A C B | |
1743 | Move C before B */ | |
1744 | ||
1745 | gtk_widget_ref (GTK_WIDGET (witem2)); | |
1746 | gtk_container_remove (GTK_CONTAINER (menubar), GTK_WIDGET (witem2)); | |
1747 | gtk_menu_shell_insert (GTK_MENU_SHELL (menubar), | |
1748 | GTK_WIDGET (witem2), pos); | |
1749 | gtk_widget_unref (GTK_WIDGET (witem2)); | |
1750 | ||
1751 | val = val->next; | |
1752 | list = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
1753 | while (pos-- > 0) list = g_list_next (list); | |
1754 | list = g_list_next (list); | |
1755 | } | |
1756 | ||
1757 | } | |
1758 | ||
1759 | /* Update the rest of the menu bar. */ | |
1760 | xg_update_menubar (menubar, f, list, val, select_cb, highlight_cb, cl_data); | |
1761 | } | |
1762 | ||
1763 | /* Update the menu item W so it corresponds to VAL. | |
1764 | SELECT_CB is the callback to use when a menu item is selected. | |
1765 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1766 | CL_DATA is the data to set in the widget for menu invokation. */ | |
1767 | static void | |
1768 | xg_update_menu_item (val, w, select_cb, highlight_cb, cl_data) | |
1769 | widget_value *val; | |
1770 | GtkWidget *w; | |
1771 | GCallback select_cb; | |
1772 | GCallback highlight_cb; | |
1773 | xg_menu_cb_data *cl_data; | |
1774 | { | |
1775 | GtkWidget *wchild; | |
1776 | GtkLabel *wlbl = 0; | |
1777 | GtkLabel *wkey = 0; | |
1778 | char *utf8_label; | |
1779 | char *utf8_key; | |
1780 | xg_menu_item_cb_data *cb_data; | |
1781 | ||
1782 | wchild = gtk_bin_get_child (GTK_BIN (w)); | |
1783 | utf8_label = get_utf8_string (val->name); | |
1784 | utf8_key = get_utf8_string (val->key); | |
1785 | ||
1786 | /* See if W is a menu item with a key. See make_menu_item above. */ | |
1787 | if (GTK_IS_HBOX (wchild)) | |
1788 | { | |
1789 | GList *list = gtk_container_get_children (GTK_CONTAINER (wchild)); | |
1790 | ||
1791 | wlbl = GTK_LABEL (list->data); | |
1792 | wkey = GTK_LABEL (list->next->data); | |
1793 | if (! utf8_key) | |
1794 | { | |
1795 | /* Remove the key and keep just the label. */ | |
1796 | gtk_widget_ref (GTK_WIDGET (wlbl)); | |
1797 | gtk_container_remove (GTK_CONTAINER (w), wchild); | |
1798 | gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (wlbl)); | |
1799 | wkey = 0; | |
1800 | } | |
1801 | } | |
1802 | else /* Just a label. */ | |
1803 | { | |
1804 | wlbl = GTK_LABEL (wchild); | |
1805 | ||
1806 | /* Check if there is now a key. */ | |
1807 | if (utf8_key) | |
1808 | { | |
1809 | GtkWidget *wtoadd = make_widget_for_menu_item (utf8_label, utf8_key); | |
1810 | GList *list = gtk_container_get_children (GTK_CONTAINER (wtoadd)); | |
1811 | wlbl = GTK_LABEL (list->data); | |
1812 | wkey = GTK_LABEL (list->next->data); | |
1813 | ||
1814 | gtk_container_remove (GTK_CONTAINER (w), wchild); | |
1815 | gtk_container_add (GTK_CONTAINER (w), wtoadd); | |
1816 | } | |
1817 | } | |
1818 | ||
1819 | if (utf8_key && strcmp (utf8_key, gtk_label_get_label (wkey)) != 0) | |
1820 | gtk_label_set_text (wkey, utf8_key); | |
1821 | ||
1822 | if (strcmp (utf8_label, gtk_label_get_label (wlbl)) != 0) | |
1823 | gtk_label_set_text_with_mnemonic (wlbl, utf8_label); | |
1824 | ||
1825 | if (utf8_key != val->key) g_free (utf8_key); | |
1826 | if (utf8_label != val->name) g_free (utf8_label); | |
1827 | ||
1828 | if (! val->enabled && GTK_WIDGET_SENSITIVE (w)) | |
1829 | gtk_widget_set_sensitive (w, FALSE); | |
1830 | else if (val->enabled && ! GTK_WIDGET_SENSITIVE (w)) | |
1831 | gtk_widget_set_sensitive (w, TRUE); | |
1832 | ||
1833 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (w), | |
1834 | XG_ITEM_DATA); | |
1835 | if (cb_data) | |
1836 | { | |
1837 | cb_data->call_data = val->call_data; | |
1838 | cb_data->help = val->help; | |
1839 | cb_data->cl_data = cl_data; | |
1840 | ||
1841 | /* We assume the callback functions don't change. */ | |
1842 | if (val->call_data && ! val->contents) | |
1843 | { | |
1844 | /* This item shall have a select callback. */ | |
1845 | if (! cb_data->select_id) | |
1846 | cb_data->select_id | |
1847 | = g_signal_connect (G_OBJECT (w), "activate", | |
1848 | select_cb, cb_data); | |
1849 | } | |
1850 | else if (cb_data->select_id) | |
1851 | { | |
1852 | g_signal_handler_disconnect (w, cb_data->select_id); | |
1853 | cb_data->select_id = 0; | |
1854 | } | |
1855 | ||
1856 | if (NILP (cb_data->help)) | |
1857 | { | |
1858 | /* Shall not have help. Remove if any existed previously. */ | |
1859 | if (cb_data->highlight_id) | |
1860 | { | |
1861 | g_signal_handler_disconnect (G_OBJECT (w), | |
1862 | cb_data->highlight_id); | |
1863 | cb_data->highlight_id = 0; | |
1864 | } | |
1865 | if (cb_data->unhighlight_id) | |
1866 | { | |
1867 | g_signal_handler_disconnect (G_OBJECT (w), | |
1868 | cb_data->unhighlight_id); | |
1869 | cb_data->unhighlight_id = 0; | |
1870 | } | |
1871 | } | |
1872 | else if (! cb_data->highlight_id && highlight_cb) | |
1873 | { | |
1874 | /* Have help now, but didn't previously. Add callback. */ | |
1875 | cb_data->highlight_id | |
1876 | = g_signal_connect (G_OBJECT (w), | |
1877 | "enter-notify-event", | |
1878 | G_CALLBACK (menuitem_highlight_callback), | |
1879 | cb_data); | |
1880 | cb_data->unhighlight_id | |
1881 | = g_signal_connect (G_OBJECT (w), | |
1882 | "leave-notify-event", | |
1883 | G_CALLBACK (menuitem_highlight_callback), | |
1884 | cb_data); | |
1885 | } | |
1886 | } | |
1887 | } | |
1888 | ||
1889 | /* Update the toggle menu item W so it corresponds to VAL. */ | |
1890 | static void | |
1891 | xg_update_toggle_item (val, w) | |
1892 | widget_value *val; | |
1893 | GtkWidget *w; | |
1894 | { | |
1895 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), val->selected); | |
1896 | } | |
1897 | ||
1898 | /* Update the radio menu item W so it corresponds to VAL. */ | |
1899 | static void | |
1900 | xg_update_radio_item (val, w) | |
1901 | widget_value *val; | |
1902 | GtkWidget *w; | |
1903 | { | |
1904 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), val->selected); | |
1905 | } | |
1906 | ||
1907 | /* Update the sub menu SUBMENU and all its children so it corresponds to VAL. | |
1908 | SUBMENU may be NULL, in that case a new menu is created. | |
1909 | F is the frame the menu bar belongs to. | |
1910 | VAL describes the contents of the menu bar. | |
1911 | SELECT_CB is the callback to use when a menu item is selected. | |
1912 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. | |
1913 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1914 | CL_DATA is the call back data to use for any newly created items. | |
1915 | ||
1916 | Returns the updated submenu widget, that is SUBMENU unless SUBMENU | |
1917 | was NULL. */ | |
1918 | ||
1919 | static GtkWidget * | |
1920 | xg_update_submenu (submenu, f, val, | |
1921 | select_cb, deactivate_cb, highlight_cb, cl_data) | |
1922 | GtkWidget *submenu; | |
1923 | FRAME_PTR f; | |
1924 | widget_value *val; | |
1925 | GCallback select_cb; | |
1926 | GCallback deactivate_cb; | |
1927 | GCallback highlight_cb; | |
1928 | xg_menu_cb_data *cl_data; | |
1929 | { | |
1930 | GtkWidget *newsub = submenu; | |
1931 | GList *list = 0; | |
1932 | GList *iter; | |
1933 | widget_value *cur; | |
1934 | int has_tearoff_p = 0; | |
1935 | GList *first_radio = 0; | |
1936 | ||
1937 | if (submenu) | |
1938 | list = gtk_container_get_children (GTK_CONTAINER (submenu)); | |
1939 | ||
1940 | for (cur = val, iter = list; | |
1941 | cur && iter; | |
1942 | iter = g_list_next (iter), cur = cur->next) | |
1943 | { | |
1944 | GtkWidget *w = GTK_WIDGET (iter->data); | |
1945 | ||
1946 | /* Skip tearoff items, they have no counterpart in val. */ | |
1947 | if (GTK_IS_TEAROFF_MENU_ITEM (w)) | |
1948 | { | |
1949 | has_tearoff_p = 1; | |
1950 | iter = g_list_next (iter); | |
1951 | if (iter) w = GTK_WIDGET (iter->data); | |
1952 | else break; | |
1953 | } | |
1954 | ||
1955 | /* Remember first radio button in a group. If we get a mismatch in | |
1956 | a radio group we must rebuild the whole group so that the connections | |
1957 | in GTK becomes correct. */ | |
1958 | if (cur->button_type == BUTTON_TYPE_RADIO && ! first_radio) | |
1959 | first_radio = iter; | |
1960 | else if (cur->button_type != BUTTON_TYPE_RADIO | |
1961 | && ! GTK_IS_RADIO_MENU_ITEM (w)) | |
1962 | first_radio = 0; | |
1963 | ||
1964 | if (GTK_IS_SEPARATOR_MENU_ITEM (w)) | |
1965 | { | |
1966 | if (! xg_separator_p (cur->name)) | |
1967 | break; | |
1968 | } | |
1969 | else if (GTK_IS_CHECK_MENU_ITEM (w)) | |
1970 | { | |
1971 | if (cur->button_type != BUTTON_TYPE_TOGGLE) | |
1972 | break; | |
1973 | xg_update_toggle_item (cur, w); | |
1974 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); | |
1975 | } | |
1976 | else if (GTK_IS_RADIO_MENU_ITEM (w)) | |
1977 | { | |
1978 | if (cur->button_type != BUTTON_TYPE_RADIO) | |
1979 | break; | |
1980 | xg_update_radio_item (cur, w); | |
1981 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); | |
1982 | } | |
1983 | else if (GTK_IS_MENU_ITEM (w)) | |
1984 | { | |
1985 | GtkMenuItem *witem = GTK_MENU_ITEM (w); | |
1986 | GtkWidget *sub; | |
1987 | ||
1988 | if (cur->button_type != BUTTON_TYPE_NONE || | |
1989 | xg_separator_p (cur->name)) | |
1990 | break; | |
1991 | ||
1992 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); | |
1993 | ||
1994 | sub = gtk_menu_item_get_submenu (witem); | |
1995 | if (sub && ! cur->contents) | |
1996 | { | |
1997 | /* Not a submenu anymore. */ | |
1998 | gtk_widget_ref (sub); | |
1999 | gtk_menu_item_remove_submenu (witem); | |
2000 | gtk_widget_destroy (sub); | |
2001 | } | |
2002 | else if (cur->contents) | |
2003 | { | |
2004 | GtkWidget *nsub; | |
2005 | ||
2006 | nsub = xg_update_submenu (sub, f, cur->contents, | |
2007 | select_cb, deactivate_cb, | |
2008 | highlight_cb, cl_data); | |
2009 | ||
2010 | /* If this item just became a submenu, we must set it. */ | |
2011 | if (nsub != sub) | |
2012 | gtk_menu_item_set_submenu (witem, nsub); | |
2013 | } | |
2014 | } | |
2015 | else | |
2016 | { | |
2017 | /* Structural difference. Remove everything from here and down | |
2018 | in SUBMENU. */ | |
2019 | break; | |
2020 | } | |
2021 | } | |
2022 | ||
2023 | /* Remove widgets from first structual change. */ | |
2024 | if (iter) | |
2025 | { | |
2026 | /* If we are adding new menu items below, we must remove from | |
2027 | first radio button so that radio groups become correct. */ | |
2028 | if (cur && first_radio) remove_from_container (submenu, first_radio); | |
2029 | else remove_from_container (submenu, iter); | |
2030 | } | |
2031 | ||
2032 | if (cur) | |
2033 | { | |
2034 | /* More items added. Create them. */ | |
2035 | newsub = create_menus (cur, | |
2036 | f, | |
2037 | select_cb, | |
2038 | deactivate_cb, | |
2039 | highlight_cb, | |
2040 | 0, | |
2041 | 0, | |
2042 | ! has_tearoff_p, | |
2043 | submenu, | |
2044 | cl_data, | |
2045 | 0); | |
2046 | } | |
2047 | ||
2048 | return newsub; | |
2049 | } | |
2050 | ||
2051 | /* Update the MENUBAR. | |
2052 | F is the frame the menu bar belongs to. | |
2053 | VAL describes the contents of the menu bar. | |
2054 | If DEEP_P is non-zero, rebuild all but the top level menu names in | |
2055 | the MENUBAR. If DEEP_P is zero, just rebuild the names in the menubar. | |
2056 | SELECT_CB is the callback to use when a menu item is selected. | |
2057 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. | |
2058 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. */ | |
2059 | void | |
2060 | xg_modify_menubar_widgets (menubar, f, val, deep_p, | |
2061 | select_cb, deactivate_cb, highlight_cb) | |
2062 | GtkWidget *menubar; | |
2063 | FRAME_PTR f; | |
2064 | widget_value *val; | |
2065 | int deep_p; | |
2066 | GCallback select_cb; | |
2067 | GCallback deactivate_cb; | |
2068 | GCallback highlight_cb; | |
2069 | { | |
2070 | xg_menu_cb_data *cl_data; | |
2071 | GList *list = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
2072 | GList *iter; | |
2073 | ||
2074 | if (! list) return; | |
2075 | ||
2076 | cl_data = (xg_menu_cb_data*) g_object_get_data (G_OBJECT (menubar), | |
2077 | XG_FRAME_DATA); | |
2078 | ||
2079 | if (! deep_p) | |
2080 | { | |
2081 | widget_value *cur = val->contents; | |
2082 | xg_update_menubar (menubar, f, list, cur, | |
2083 | select_cb, highlight_cb, cl_data); | |
2084 | } | |
2085 | else | |
2086 | { | |
2087 | widget_value *cur; | |
2088 | ||
2089 | /* Update all sub menus. | |
2090 | We must keep the submenu names (GTK menu item widgets) since the | |
2091 | X Window in the XEvent that activates the menu are those widgets. */ | |
2092 | ||
2093 | /* Update cl_data, menu_item things in F may have changed. */ | |
2094 | update_cl_data (cl_data, f, highlight_cb); | |
2095 | ||
2096 | for (cur = val->contents; cur; cur = cur->next) | |
2097 | { | |
2098 | GtkWidget *sub = 0; | |
2099 | GtkWidget *newsub; | |
2100 | GtkMenuItem *witem; | |
2101 | ||
2102 | /* Find sub menu that corresponds to val and update it. */ | |
2103 | for (iter = list ; iter; iter = g_list_next (iter)) | |
2104 | { | |
2105 | witem = GTK_MENU_ITEM (iter->data); | |
2106 | if (xg_item_label_same_p (witem, cur->name)) | |
2107 | { | |
2108 | sub = gtk_menu_item_get_submenu (witem); | |
2109 | break; | |
2110 | } | |
2111 | } | |
2112 | ||
2113 | newsub = xg_update_submenu (sub, | |
2114 | f, | |
2115 | cur->contents, | |
2116 | select_cb, | |
2117 | deactivate_cb, | |
2118 | highlight_cb, | |
2119 | cl_data); | |
2120 | /* sub may still be NULL. If we just updated non deep and added | |
2121 | a new menu bar item, it has no sub menu yet. So we set the | |
2122 | newly created sub menu under witem. */ | |
2123 | if (newsub != sub) | |
2124 | gtk_menu_item_set_submenu (witem, newsub); | |
2125 | ||
2126 | } | |
2127 | } | |
2128 | ||
2129 | gtk_widget_show_all (menubar); | |
2130 | } | |
2131 | ||
2132 | /* Recompute all the widgets of frame F, when the menu bar has been | |
2133 | changed. Value is non-zero if widgets were updated. */ | |
2134 | ||
2135 | int | |
2136 | xg_update_frame_menubar (f) | |
2137 | FRAME_PTR f; | |
2138 | { | |
2139 | struct x_output *x = f->output_data.x; | |
2140 | GtkRequisition req; | |
2141 | ||
2142 | if (!x->menubar_widget || GTK_WIDGET_MAPPED (x->menubar_widget)) | |
2143 | return 0; | |
2144 | ||
2145 | BLOCK_INPUT; | |
2146 | ||
2147 | gtk_box_pack_start (GTK_BOX (x->vbox_widget), x->menubar_widget, | |
2148 | FALSE, FALSE, 0); | |
2149 | gtk_box_reorder_child (GTK_BOX (x->vbox_widget), x->menubar_widget, 0); | |
2150 | ||
2151 | gtk_widget_show_all (x->menubar_widget); | |
2152 | gtk_widget_size_request (x->menubar_widget, &req); | |
2153 | ||
2154 | FRAME_MENUBAR_HEIGHT (f) = req.height; | |
2155 | ||
2156 | /* The height has changed, resize outer widget and set columns | |
2157 | rows to what we had before adding the menu bar. */ | |
2158 | xg_resize_outer_widget (f, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2159 | ||
2160 | SET_FRAME_GARBAGED (f); | |
2161 | UNBLOCK_INPUT; | |
2162 | } | |
2163 | ||
2164 | /* Get rid of the menu bar of frame F, and free its storage. | |
2165 | This is used when deleting a frame, and when turning off the menu bar. */ | |
2166 | ||
2167 | void | |
2168 | free_frame_menubar (f) | |
2169 | FRAME_PTR f; | |
2170 | { | |
2171 | struct x_output *x = f->output_data.x; | |
2172 | ||
2173 | if (x->menubar_widget) | |
2174 | { | |
2175 | BLOCK_INPUT; | |
2176 | ||
2177 | gtk_container_remove (GTK_CONTAINER (x->vbox_widget), x->menubar_widget); | |
2178 | /* The menubar and its children shall be deleted when removed from | |
2179 | the container. */ | |
2180 | x->menubar_widget = 0; | |
2181 | FRAME_MENUBAR_HEIGHT (f) = 0; | |
2182 | ||
2183 | /* The height has changed, resize outer widget and set columns | |
2184 | rows to what we had before removing the menu bar. */ | |
2185 | xg_resize_outer_widget (f, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2186 | ||
2187 | SET_FRAME_GARBAGED (f); | |
2188 | UNBLOCK_INPUT; | |
2189 | } | |
2190 | } | |
2191 | ||
2192 | ||
2193 | \f | |
2194 | /*********************************************************************** | |
2195 | Scroll bar functions | |
2196 | ***********************************************************************/ | |
2197 | ||
2198 | ||
2199 | /* Setting scroll bar values invokes the callback. Use this variable | |
2200 | to indicate that callback should do nothing. */ | |
2201 | int xg_ignore_gtk_scrollbar; | |
2202 | ||
2203 | /* After we send a scroll bar event, x_set_toolkit_scroll_bar_thumb will | |
2204 | be called. For some reason that needs to be debugged, it gets called | |
2205 | with bad values. Thus, we set this variable to ignore those calls. */ | |
2206 | int xg_ignore_next_thumb; | |
2207 | ||
2208 | /* SET_SCROLL_BAR_X_WINDOW assumes the second argument fits in | |
2209 | 32 bits. But we want to store pointers, and they may be larger | |
2210 | than 32 bits. Keep a mapping from integer index to widget pointers | |
2211 | to get around the 32 bit limitation. */ | |
2212 | static struct | |
2213 | { | |
2214 | GtkWidget **widgets; | |
2215 | int max_size; | |
2216 | int used; | |
2217 | } id_to_widget = { 0, 0, 0 }; | |
2218 | ||
2219 | /* Grow this much every time we need to allocate more */ | |
2220 | #define ID_TO_WIDGET_INCR 32 | |
2221 | ||
2222 | /* Store the widget pointer W in id_to_widget and return the integer index. */ | |
2223 | static int | |
2224 | xg_store_widget_in_map (w) | |
2225 | GtkWidget *w; | |
2226 | { | |
2227 | int i; | |
2228 | ||
2229 | if (id_to_widget.max_size == id_to_widget.used) | |
2230 | { | |
2231 | int new_size = id_to_widget.max_size + ID_TO_WIDGET_INCR; | |
2232 | ||
2233 | id_to_widget.widgets = xrealloc (id_to_widget.widgets, | |
2234 | sizeof (GtkWidget *)*new_size); | |
2235 | ||
2236 | for (i = id_to_widget.max_size; i < new_size; ++i) | |
2237 | id_to_widget.widgets[i] = 0; | |
2238 | id_to_widget.max_size = new_size; | |
2239 | } | |
2240 | ||
2241 | /* Just loop over the array and find a free place. After all, | |
2242 | how many scroll bars are we creating? Should be a small number. | |
2243 | The check above guarantees we will find a free place. */ | |
2244 | for (i = 0; i < id_to_widget.max_size; ++i) | |
2245 | { | |
2246 | if (! id_to_widget.widgets[i]) | |
2247 | { | |
2248 | id_to_widget.widgets[i] = w; | |
2249 | ++id_to_widget.used; | |
2250 | ||
2251 | return i; | |
2252 | } | |
2253 | } | |
2254 | ||
2255 | /* Should never end up here */ | |
2256 | abort (); | |
2257 | } | |
2258 | ||
2259 | /* Remove pointer at IDX from id_to_widget. | |
2260 | Called when scroll bar is destroyed. */ | |
2261 | static void | |
2262 | xg_remove_widget_from_map (idx) | |
2263 | int idx; | |
2264 | { | |
2265 | if (idx < id_to_widget.max_size && id_to_widget.widgets[idx] != 0) | |
2266 | { | |
2267 | id_to_widget.widgets[idx] = 0; | |
2268 | --id_to_widget.used; | |
2269 | } | |
2270 | } | |
2271 | ||
2272 | /* Get the widget pointer at IDX from id_to_widget. */ | |
2273 | static GtkWidget * | |
2274 | xg_get_widget_from_map (idx) | |
2275 | int idx; | |
2276 | { | |
2277 | if (idx < id_to_widget.max_size && id_to_widget.widgets[idx] != 0) | |
2278 | return id_to_widget.widgets[idx]; | |
2279 | ||
2280 | return 0; | |
2281 | } | |
2282 | ||
2283 | /* Callback invoked when scroll bar WIDGET is destroyed. | |
2284 | DATA is the index into id_to_widget for WIDGET. | |
2285 | We free pointer to last scroll bar value here and remove the index. */ | |
2286 | static void | |
2287 | xg_gtk_scroll_destroy (widget, data) | |
2288 | GtkWidget *widget; | |
2289 | gpointer data; | |
2290 | { | |
2291 | gpointer p; | |
2292 | int id = (int)data; | |
2293 | ||
2294 | p = g_object_get_data (G_OBJECT (widget), XG_LAST_SB_DATA); | |
2295 | if (p) xfree (p); | |
2296 | xg_remove_widget_from_map (id); | |
2297 | } | |
2298 | ||
2299 | /* Callback for button press/release events. Used to start timer so that | |
2300 | the scroll bar repetition timer in GTK gets handeled. | |
2301 | WIDGET is the scroll bar widget the event is for (not used). | |
2302 | EVENT contains the event. | |
2303 | USER_DATA is 0 (not used). | |
2304 | ||
2305 | Returns FALSE to tell GTK that it shall continue propagate the event | |
2306 | to widgets. */ | |
2307 | static gboolean | |
2308 | scroll_bar_button_cb (widget, event, user_data) | |
2309 | GtkWidget *widget; | |
2310 | GdkEventButton *event; | |
2311 | gpointer user_data; | |
2312 | { | |
2313 | if (event->type == GDK_BUTTON_PRESS && ! xg_timer) | |
2314 | xg_start_timer (); | |
2315 | else if (event->type == GDK_BUTTON_RELEASE && xg_timer) | |
2316 | xg_stop_timer (); | |
2317 | ||
2318 | return FALSE; | |
2319 | } | |
2320 | ||
2321 | /* Create a scroll bar widget for frame F. Store the scroll bar | |
2322 | in BAR. | |
2323 | SCROLL_CALLBACK is the callback to invoke when the value of the | |
2324 | bar changes. | |
2325 | SCROLL_BAR_NAME is the name we use for the scroll bar. Can be used | |
2326 | to set resources for the widget. */ | |
2327 | void | |
2328 | xg_create_scroll_bar (f, bar, scroll_callback, scroll_bar_name) | |
2329 | FRAME_PTR f; | |
2330 | struct scroll_bar *bar; | |
2331 | GCallback scroll_callback; | |
2332 | char *scroll_bar_name; | |
2333 | { | |
2334 | GtkWidget *wscroll; | |
2335 | GtkObject *vadj; | |
2336 | int scroll_id; | |
2337 | ||
2338 | /* Page, step increment values are not so important here, they | |
2339 | will be corrected in x_set_toolkit_scroll_bar_thumb. */ | |
2340 | vadj = gtk_adjustment_new (XG_SB_MIN, XG_SB_MIN, XG_SB_MAX, | |
2341 | 0.1, 0.1, 0.1); | |
2342 | ||
2343 | wscroll = gtk_vscrollbar_new (GTK_ADJUSTMENT (vadj)); | |
2344 | gtk_widget_set_name (wscroll, scroll_bar_name); | |
2345 | gtk_range_set_update_policy (GTK_RANGE (wscroll), GTK_UPDATE_CONTINUOUS); | |
2346 | ||
2347 | scroll_id = xg_store_widget_in_map (wscroll); | |
2348 | ||
2349 | g_signal_connect (G_OBJECT (vadj), | |
2350 | "value-changed", | |
2351 | scroll_callback, | |
2352 | (gpointer)bar); | |
2353 | g_signal_connect (G_OBJECT (wscroll), | |
2354 | "destroy", | |
2355 | G_CALLBACK (xg_gtk_scroll_destroy), | |
2356 | (gpointer)scroll_id); | |
2357 | ||
2358 | /* Connect to button press and button release to detect if any scroll bar | |
2359 | has the pointer. */ | |
2360 | g_signal_connect (G_OBJECT (wscroll), | |
2361 | "button-press-event", | |
2362 | G_CALLBACK (scroll_bar_button_cb), | |
2363 | (gpointer)1); | |
2364 | g_signal_connect (G_OBJECT (wscroll), | |
2365 | "button-release-event", | |
2366 | G_CALLBACK (scroll_bar_button_cb), | |
2367 | 0); | |
2368 | ||
2369 | gtk_fixed_put (GTK_FIXED (f->output_data.x->edit_widget), | |
2370 | wscroll, 0, 0); | |
2371 | ||
2372 | /* Set the cursor to an arrow. */ | |
2373 | xg_set_cursor (wscroll, &xg_left_ptr_cursor); | |
2374 | ||
2375 | SET_SCROLL_BAR_X_WINDOW (bar, scroll_id); | |
2376 | } | |
2377 | ||
2378 | /* Make the scroll bar represented by SCROLLBAR_ID visible. */ | |
2379 | void | |
2380 | xg_show_scroll_bar (scrollbar_id) | |
2381 | int scrollbar_id; | |
2382 | { | |
2383 | GtkWidget *w = xg_get_widget_from_map (scrollbar_id); | |
2384 | if (w) | |
2385 | gtk_widget_show (w); | |
2386 | } | |
2387 | ||
2388 | /* Remove the scroll bar represented by SCROLLBAR_ID from the frame F. */ | |
2389 | void | |
2390 | xg_remove_scroll_bar (f, scrollbar_id) | |
2391 | FRAME_PTR f; | |
2392 | int scrollbar_id; | |
2393 | { | |
2394 | GtkWidget *w = xg_get_widget_from_map (scrollbar_id); | |
2395 | if (w) | |
2396 | { | |
2397 | gtk_widget_destroy (w); | |
2398 | SET_FRAME_GARBAGED (f); | |
2399 | } | |
2400 | } | |
2401 | ||
2402 | ||
2403 | /* Update the position of the vertical scroll bar represented by SCROLLBAR_ID | |
2404 | in frame F. | |
2405 | TOP/LEFT are the new pixel positions where the bar shall appear. | |
2406 | WIDTH, HEIGHT is the size in pixels the bar shall have. */ | |
2407 | void | |
2408 | xg_update_scrollbar_pos (f, scrollbar_id, top, left, width, height) | |
2409 | FRAME_PTR f; | |
2410 | int scrollbar_id; | |
2411 | int top; | |
2412 | int left; | |
2413 | int width; | |
2414 | int height; | |
2415 | { | |
2416 | GtkWidget *wscroll = xg_get_widget_from_map (scrollbar_id); | |
2417 | ||
2418 | if (wscroll) | |
2419 | { | |
2420 | int gheight = max (height, 1); | |
2421 | ||
2422 | gtk_fixed_move (GTK_FIXED (f->output_data.x->edit_widget), | |
2423 | wscroll, left, top); | |
2424 | ||
2425 | gtk_widget_set_size_request (wscroll, width, gheight); | |
2426 | ||
2427 | /* Must force out update so wscroll gets the resize. | |
2428 | Otherwise, the gdk_window_clear clears the old window size. */ | |
2429 | gdk_window_process_all_updates (); | |
2430 | ||
2431 | /* The scroll bar doesn't explicitly redraw the whole window | |
2432 | when a resize occurs. Since the scroll bar seems to be fixed | |
2433 | in width it doesn't fill the space reserved, so we must clear | |
2434 | the whole window. */ | |
2435 | gdk_window_clear (wscroll->window); | |
2436 | ||
2437 | /* Since we are not using a pure gtk event loop, we must force out | |
2438 | pending update events with this call. */ | |
2439 | gdk_window_process_all_updates (); | |
2440 | ||
2441 | SET_FRAME_GARBAGED (f); | |
2442 | cancel_mouse_face (f); | |
2443 | } | |
2444 | } | |
2445 | ||
2446 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
2447 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
2448 | void | |
2449 | xg_set_toolkit_scroll_bar_thumb (bar, portion, position, whole) | |
2450 | struct scroll_bar *bar; | |
2451 | int portion, position, whole; | |
2452 | { | |
2453 | GtkWidget *wscroll = xg_get_widget_from_map (SCROLL_BAR_X_WINDOW (bar)); | |
2454 | ||
2455 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2456 | ||
2457 | BLOCK_INPUT; | |
2458 | if (wscroll && ! xg_ignore_next_thumb) | |
2459 | { | |
2460 | GtkAdjustment *adj; | |
2461 | gdouble shown; | |
2462 | gdouble top; | |
2463 | int size, value; | |
2464 | ||
2465 | adj = gtk_range_get_adjustment (GTK_RANGE (wscroll)); | |
2466 | ||
2467 | if (whole <= 0) | |
2468 | top = 0, shown = 1; | |
2469 | else | |
2470 | { | |
2471 | shown = (gdouble) portion / whole; | |
2472 | top = (gdouble) position / whole; | |
2473 | } | |
2474 | ||
2475 | size = shown * whole; | |
2476 | size = min (size, whole); | |
2477 | size = max (size, 1); | |
2478 | ||
2479 | value = top * whole; | |
2480 | value = min (value, whole - size); | |
2481 | value = max (value, XG_SB_MIN); | |
2482 | ||
2483 | adj->upper = max (whole, size); | |
2484 | adj->page_size = (int)size; | |
2485 | ||
2486 | /* Assume a page increment is about 95% of the page size */ | |
2487 | adj->page_increment = (int) (0.95*adj->page_size); | |
2488 | ||
2489 | /* Assume all lines are equal. */ | |
2490 | adj->step_increment = portion / max (1, FRAME_HEIGHT (f)); | |
2491 | ||
2492 | /* gtk_range_set_value invokes the callback. Set | |
2493 | ignore_gtk_scrollbar to make the callback do nothing */ | |
2494 | xg_ignore_gtk_scrollbar = 1; | |
2495 | gtk_range_set_value (GTK_RANGE (wscroll), (gdouble)value); | |
2496 | xg_ignore_gtk_scrollbar = 0; | |
2497 | } | |
2498 | ||
2499 | /* Make sure the scroll bar is redrawn with new thumb */ | |
2500 | gtk_widget_queue_draw (wscroll); | |
2501 | gdk_window_process_all_updates (); | |
2502 | xg_ignore_next_thumb = 0; | |
2503 | UNBLOCK_INPUT; | |
2504 | } | |
2505 | ||
2506 | \f | |
2507 | /*********************************************************************** | |
2508 | Tool bar functions | |
2509 | ***********************************************************************/ | |
2510 | /* The key for the data we put in the GtkImage widgets. The data is | |
2511 | the image used by Emacs. We use this to see if we need to update | |
2512 | the GtkImage with a new image. */ | |
2513 | #define XG_TOOL_BAR_IMAGE_DATA "emacs-tool-bar-image" | |
2514 | ||
2515 | /* Callback function invoked when a tool bar item is pressed. | |
2516 | W is the button widget in the tool bar that got pressed, | |
2517 | CLIENT_DATA is an integer that is the index of the button in the | |
2518 | tool bar. 0 is the first button. */ | |
2519 | static void | |
2520 | xg_tool_bar_callback (w, client_data) | |
2521 | GtkWidget *w; | |
2522 | gpointer client_data; | |
2523 | { | |
2524 | int idx = (int)client_data; | |
2525 | FRAME_PTR f = (FRAME_PTR) g_object_get_data (G_OBJECT (w), XG_FRAME_DATA); | |
2526 | Lisp_Object key, frame; | |
2527 | struct input_event event; | |
2528 | ||
2529 | if (! f || ! f->n_tool_bar_items || NILP (f->tool_bar_items)) | |
2530 | return; | |
2531 | ||
2532 | idx *= TOOL_BAR_ITEM_NSLOTS; | |
2533 | ||
2534 | key = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_KEY); | |
2535 | XSETFRAME (frame, f); | |
2536 | event.kind = TOOL_BAR_EVENT; | |
2537 | event.frame_or_window = frame; | |
2538 | event.arg = frame; | |
2539 | kbd_buffer_store_event (&event); | |
2540 | ||
2541 | event.kind = TOOL_BAR_EVENT; | |
2542 | event.frame_or_window = frame; | |
2543 | event.arg = key; | |
2544 | event.modifiers = 0; /* These are not available. */ | |
2545 | kbd_buffer_store_event (&event); | |
2546 | } | |
2547 | ||
2548 | /* This callback is called when a tool bar is detached. We must set | |
2549 | the height of the tool bar to zero when this happens so frame sizes | |
2550 | are correctly calculated. | |
2551 | WBOX is the handle box widget that enables detach/attach of the tool bar. | |
2552 | W is the tool bar widget. | |
2553 | CLIENT_DATA is a pointer to the frame the tool bar belongs to. */ | |
2554 | static void | |
2555 | xg_tool_bar_detach_callback (wbox, w, client_data) | |
2556 | GtkHandleBox *wbox; | |
2557 | GtkWidget *w; | |
2558 | gpointer client_data; | |
2559 | { | |
2560 | FRAME_PTR f = (FRAME_PTR) client_data; | |
2561 | ||
2562 | if (f) | |
2563 | { | |
2564 | /* When detaching a tool bar, not everything dissapear. There are | |
2565 | a few pixels left that are used to drop the tool bar back into | |
2566 | place. */ | |
2567 | int bw = gtk_container_get_border_width (GTK_CONTAINER (wbox)); | |
2568 | FRAME_TOOLBAR_HEIGHT (f) = 2; | |
2569 | ||
2570 | /* The height has changed, resize outer widget and set columns | |
2571 | rows to what we had before detaching the tool bar. */ | |
2572 | xg_resize_outer_widget (f, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2573 | } | |
2574 | } | |
2575 | ||
2576 | /* This callback is called when a tool bar is reattached. We must set | |
2577 | the height of the tool bar when this happens so frame sizes | |
2578 | are correctly calculated. | |
2579 | WBOX is the handle box widget that enables detach/attach of the tool bar. | |
2580 | W is the tool bar widget. | |
2581 | CLIENT_DATA is a pointer to the frame the tool bar belongs to. */ | |
2582 | static void | |
2583 | xg_tool_bar_attach_callback (wbox, w, client_data) | |
2584 | GtkHandleBox *wbox; | |
2585 | GtkWidget *w; | |
2586 | gpointer client_data; | |
2587 | { | |
2588 | FRAME_PTR f = (FRAME_PTR) client_data; | |
2589 | ||
2590 | if (f) | |
2591 | { | |
2592 | GtkRequisition req; | |
2593 | ||
2594 | gtk_widget_size_request (w, &req); | |
2595 | FRAME_TOOLBAR_HEIGHT (f) = req.height; | |
2596 | ||
2597 | /* The height has changed, resize outer widget and set columns | |
2598 | rows to what we had before detaching the tool bar. */ | |
2599 | xg_resize_outer_widget (f, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2600 | } | |
2601 | } | |
2602 | ||
2603 | /* This callback is called when the mouse enters or leaves a tool bar item. | |
2604 | It is used for displaying and hiding the help text. | |
2605 | W is the tool bar item, a button. | |
2606 | EVENT is either an enter event or leave event. | |
2607 | CLIENT_DATA is an integer that is the index of the button in the | |
2608 | tool bar. 0 is the first button. | |
2609 | ||
2610 | Returns FALSE to tell GTK to keep processing this event. */ | |
2611 | static gboolean | |
2612 | xg_tool_bar_help_callback (w, event, client_data) | |
2613 | GtkWidget *w; | |
2614 | GdkEventCrossing *event; | |
2615 | gpointer client_data; | |
2616 | { | |
2617 | int idx = (int)client_data; | |
2618 | FRAME_PTR f = (FRAME_PTR) g_object_get_data (G_OBJECT (w), XG_FRAME_DATA); | |
2619 | Lisp_Object help, frame; | |
2620 | ||
2621 | if (! GTK_IS_BUTTON (w)) | |
2622 | { | |
2623 | return FALSE; | |
2624 | } | |
2625 | ||
2626 | if (! f || ! f->n_tool_bar_items || NILP (f->tool_bar_items)) | |
2627 | return; | |
2628 | ||
2629 | if (event->type == GDK_ENTER_NOTIFY) | |
2630 | { | |
2631 | idx *= TOOL_BAR_ITEM_NSLOTS; | |
2632 | help = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_HELP); | |
2633 | ||
2634 | if (NILP (help)) | |
2635 | help = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_CAPTION); | |
2636 | } | |
2637 | else | |
2638 | help = Qnil; | |
2639 | ||
2640 | XSETFRAME (frame, f); | |
2641 | kbd_buffer_store_help_event (frame, help); | |
2642 | ||
2643 | return FALSE; | |
2644 | } | |
2645 | ||
2646 | ||
2647 | static void | |
2648 | xg_create_tool_bar (f) | |
2649 | FRAME_PTR f; | |
2650 | { | |
2651 | struct x_output *x = f->output_data.x; | |
2652 | GtkRequisition req; | |
2653 | int vbox_pos = x->menubar_widget ? 1 : 0; | |
2654 | ||
2655 | x->toolbar_widget = gtk_toolbar_new (); | |
2656 | x->handlebox_widget = gtk_handle_box_new (); | |
2657 | gtk_container_add (GTK_CONTAINER (x->handlebox_widget), | |
2658 | x->toolbar_widget); | |
2659 | ||
2660 | gtk_box_pack_start (GTK_BOX (x->vbox_widget), x->handlebox_widget, | |
2661 | FALSE, FALSE, 0); | |
2662 | ||
2663 | gtk_box_reorder_child (GTK_BOX (x->vbox_widget), x->handlebox_widget, | |
2664 | vbox_pos); | |
2665 | ||
2666 | g_signal_connect (G_OBJECT (x->handlebox_widget), "child-detached", | |
2667 | G_CALLBACK (xg_tool_bar_detach_callback), f); | |
2668 | g_signal_connect (G_OBJECT (x->handlebox_widget), "child-attached", | |
2669 | G_CALLBACK (xg_tool_bar_attach_callback), f); | |
2670 | ||
2671 | gtk_widget_show_all (x->handlebox_widget); | |
2672 | ||
2673 | gtk_widget_size_request (x->toolbar_widget, &req); | |
2674 | FRAME_TOOLBAR_HEIGHT (f) = req.height; | |
2675 | ||
2676 | /* The height has changed, resize outer widget and set columns | |
2677 | rows to what we had before adding the tool bar. */ | |
2678 | xg_resize_outer_widget (f, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2679 | ||
2680 | SET_FRAME_GARBAGED (f); | |
2681 | } | |
2682 | ||
2683 | void | |
2684 | update_frame_tool_bar (f) | |
2685 | FRAME_PTR f; | |
2686 | { | |
2687 | int i; | |
2688 | GtkRequisition old_req, new_req; | |
2689 | GList *icon_list; | |
2690 | struct x_output *x = f->output_data.x; | |
2691 | ||
2692 | if (! FRAME_GTK_WIDGET (f)) | |
2693 | return; | |
2694 | ||
2695 | BLOCK_INPUT; | |
2696 | ||
2697 | if (! x->toolbar_widget) | |
2698 | xg_create_tool_bar (f); | |
2699 | ||
2700 | gtk_widget_size_request (x->toolbar_widget, &old_req); | |
2701 | ||
2702 | icon_list = gtk_container_get_children (GTK_CONTAINER (x->toolbar_widget)); | |
2703 | ||
2704 | for (i = 0; i < f->n_tool_bar_items; ++i) | |
2705 | { | |
2706 | #define PROP(IDX) AREF (f->tool_bar_items, i * TOOL_BAR_ITEM_NSLOTS + (IDX)) | |
2707 | ||
2708 | int enabled_p = !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P)); | |
2709 | int selected_p = !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P)); | |
2710 | int idx; | |
2711 | int img_id; | |
2712 | struct image *img; | |
2713 | Lisp_Object image; | |
2714 | GtkWidget *wicon = icon_list ? GTK_WIDGET (icon_list->data) : 0; | |
2715 | ||
2716 | if (icon_list) icon_list = g_list_next (icon_list); | |
2717 | ||
2718 | /* If image is a vector, choose the image according to the | |
2719 | button state. */ | |
2720 | image = PROP (TOOL_BAR_ITEM_IMAGES); | |
2721 | if (VECTORP (image)) | |
2722 | { | |
2723 | if (enabled_p) | |
2724 | idx = (selected_p | |
2725 | ? TOOL_BAR_IMAGE_ENABLED_SELECTED | |
2726 | : TOOL_BAR_IMAGE_ENABLED_DESELECTED); | |
2727 | else | |
2728 | idx = (selected_p | |
2729 | ? TOOL_BAR_IMAGE_DISABLED_SELECTED | |
2730 | : TOOL_BAR_IMAGE_DISABLED_DESELECTED); | |
2731 | ||
2732 | xassert (ASIZE (image) >= idx); | |
2733 | image = AREF (image, idx); | |
2734 | } | |
2735 | else | |
2736 | idx = -1; | |
2737 | ||
2738 | /* Ignore invalid image specifications. */ | |
2739 | if (!valid_image_p (image)) | |
2740 | { | |
2741 | if (wicon) gtk_widget_hide (wicon); | |
2742 | continue; | |
2743 | } | |
2744 | ||
2745 | img_id = lookup_image (f, image); | |
2746 | img = IMAGE_FROM_ID (f, img_id); | |
2747 | ||
2748 | if (! wicon) | |
2749 | { | |
2750 | GdkPixmap *gpix = gdk_pixmap_foreign_new (img->pixmap); | |
2751 | GdkBitmap *gmask = img->mask ? | |
2752 | (GdkBitmap*) gdk_pixmap_foreign_new (img->mask) : 0; | |
2753 | ||
2754 | GtkWidget *w = gtk_image_new_from_pixmap (gpix, gmask); | |
2755 | gtk_toolbar_append_item (GTK_TOOLBAR (x->toolbar_widget), | |
2756 | 0, 0, 0, | |
2757 | w, | |
2758 | GTK_SIGNAL_FUNC (xg_tool_bar_callback), | |
2759 | (gpointer)i); | |
2760 | ||
2761 | /* Save the image so we can see if an update is needed when | |
2762 | this function is called again. */ | |
2763 | g_object_set_data (G_OBJECT (w), XG_TOOL_BAR_IMAGE_DATA, | |
2764 | (gpointer)img); | |
2765 | ||
2766 | /* We must set sensitive on the button that is the parent | |
2767 | of the GtkImage parent. Go upwards until we find the button. */ | |
2768 | while (! GTK_IS_BUTTON (w)) | |
2769 | w = gtk_widget_get_parent (w); | |
2770 | ||
2771 | if (w) | |
2772 | { | |
2773 | /* Save the frame in the button so the xg_tool_bar_callback | |
2774 | can get at it. */ | |
2775 | g_object_set_data (G_OBJECT (w), XG_FRAME_DATA, (gpointer)f); | |
2776 | gtk_widget_set_sensitive (w, enabled_p); | |
2777 | ||
2778 | /* Use enter/leave notify to show help. We use the events | |
2779 | rather than the GtkButton specific signals "enter" and | |
2780 | "leave", so we can have only one callback. The event | |
2781 | will tell us what kind of event it is. */ | |
2782 | g_signal_connect (G_OBJECT (w), | |
2783 | "enter-notify-event", | |
2784 | G_CALLBACK (xg_tool_bar_help_callback), | |
2785 | (gpointer)i); | |
2786 | g_signal_connect (G_OBJECT (w), | |
2787 | "leave-notify-event", | |
2788 | G_CALLBACK (xg_tool_bar_help_callback), | |
2789 | (gpointer)i); | |
2790 | } | |
2791 | } | |
2792 | else | |
2793 | { | |
2794 | /* The child of the tool bar is a button. Inside that button | |
2795 | is a vbox. Inside that vbox is the GtkImage. */ | |
2796 | GtkWidget *wvbox = gtk_bin_get_child (GTK_BIN (wicon)); | |
2797 | GList *ch = gtk_container_get_children (GTK_CONTAINER (wvbox)); | |
2798 | GtkImage *wimage = GTK_IMAGE (ch->data); | |
2799 | struct image *old_img = g_object_get_data (G_OBJECT (wimage), | |
2800 | XG_TOOL_BAR_IMAGE_DATA); | |
2801 | ||
2802 | if (! old_img | |
2803 | || old_img->pixmap != img->pixmap | |
2804 | || old_img->mask != img->mask) | |
2805 | { | |
2806 | GdkPixmap *gpix = gdk_pixmap_foreign_new (img->pixmap); | |
2807 | GdkBitmap *gmask = img->mask ? | |
2808 | (GdkBitmap*) gdk_pixmap_foreign_new (img->mask) : 0; | |
2809 | ||
2810 | gtk_image_set_from_pixmap (wimage, gpix, gmask); | |
2811 | } | |
2812 | ||
2813 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_IMAGE_DATA, | |
2814 | (gpointer)img); | |
2815 | ||
2816 | gtk_widget_set_sensitive (wicon, enabled_p); | |
2817 | gtk_widget_show (wicon); | |
2818 | } | |
2819 | ||
2820 | #undef PROP | |
2821 | } | |
2822 | ||
2823 | /* Remove buttons not longer needed. We just hide them so they | |
2824 | can be reused later on. */ | |
2825 | while (icon_list) | |
2826 | { | |
2827 | GtkWidget *w = GTK_WIDGET (icon_list->data); | |
2828 | gtk_widget_hide (w); | |
2829 | icon_list = g_list_next (icon_list); | |
2830 | } | |
2831 | ||
2832 | gtk_widget_size_request (x->toolbar_widget, &new_req); | |
2833 | if (old_req.height != new_req.height) | |
2834 | { | |
2835 | FRAME_TOOLBAR_HEIGHT (f) = new_req.height; | |
2836 | xg_resize_outer_widget (f, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2837 | } | |
2838 | ||
2839 | /* Must force out update so changed images gets redrawn. */ | |
2840 | gdk_window_process_all_updates (); | |
2841 | ||
2842 | UNBLOCK_INPUT; | |
2843 | } | |
2844 | ||
2845 | void | |
2846 | free_frame_tool_bar (f) | |
2847 | FRAME_PTR f; | |
2848 | { | |
2849 | struct x_output *x = f->output_data.x; | |
2850 | ||
2851 | if (x->toolbar_widget) | |
2852 | { | |
2853 | fprintf(stderr, "Remove toolbar\n"); | |
2854 | BLOCK_INPUT; | |
2855 | gtk_container_remove (GTK_CONTAINER (x->vbox_widget), | |
2856 | x->handlebox_widget); | |
2857 | x->toolbar_widget = 0; | |
2858 | x->handlebox_widget = 0; | |
2859 | FRAME_TOOLBAR_HEIGHT (f) = 0; | |
2860 | ||
2861 | /* The height has changed, resize outer widget and set columns | |
2862 | rows to what we had before removing the tool bar. */ | |
2863 | xg_resize_outer_widget (f, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2864 | ||
2865 | SET_FRAME_GARBAGED (f); | |
2866 | UNBLOCK_INPUT; | |
2867 | } | |
2868 | } | |
2869 | ||
2870 | ||
2871 | \f | |
2872 | /*********************************************************************** | |
2873 | Initializing | |
2874 | ***********************************************************************/ | |
2875 | void | |
2876 | xg_initialize () | |
2877 | { | |
2878 | xg_ignore_gtk_scrollbar = 0; | |
2879 | xg_ignore_next_thumb = 0; | |
2880 | xg_left_ptr_cursor = 0; | |
2881 | xg_did_tearoff = 0; | |
2882 | ||
2883 | xg_menu_cb_list.prev = xg_menu_cb_list.next = | |
2884 | xg_menu_item_cb_list.prev = xg_menu_item_cb_list.next = 0; | |
2885 | ||
2886 | /* Remove F10 as a menu accelerator, it does not mix well with Emacs key | |
2887 | bindings. It doesn't seem to be any way to remove properties, | |
2888 | so we set it to VoidSymbol which in X means "no key". */ | |
2889 | gtk_settings_set_string_property (gtk_settings_get_default (), | |
2890 | "gtk-menu-bar-accel", | |
2891 | "VoidSymbol", | |
2892 | EMACS_CLASS); | |
2893 | } | |
2894 | ||
2895 | #endif /* USE_GTK */ |