Commit | Line | Data |
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f392e843 | 1 | /* Functions for creating and updating GTK widgets. |
aaef169d | 2 | Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. |
f392e843 JD |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
18 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 | Boston, MA 02110-1301, USA. */ | |
f392e843 JD |
20 | |
21 | #include "config.h" | |
22 | ||
23 | #ifdef USE_GTK | |
e8794476 | 24 | #include <string.h> |
aa477689 | 25 | #include <signal.h> |
e8794476 | 26 | #include <stdio.h> |
f392e843 JD |
27 | #include "lisp.h" |
28 | #include "xterm.h" | |
29 | #include "blockinput.h" | |
aa477689 | 30 | #include "syssignal.h" |
f392e843 JD |
31 | #include "window.h" |
32 | #include "atimer.h" | |
33 | #include "gtkutil.h" | |
34 | #include "termhooks.h" | |
5b07197a DL |
35 | #include "keyboard.h" |
36 | #include "charset.h" | |
37 | #include "coding.h" | |
f392e843 JD |
38 | #include <gdk/gdkkeysyms.h> |
39 | ||
810f2256 | 40 | |
f392e843 | 41 | #define FRAME_TOTAL_PIXEL_HEIGHT(f) \ |
be786000 | 42 | (FRAME_PIXEL_HEIGHT (f) + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f)) |
cea9be54 | 43 | |
93c579e0 JD |
44 | /* Avoid "differ in sign" warnings */ |
45 | #define SSDATA(x) ((char *) SDATA (x)) | |
46 | ||
810f2256 JD |
47 | \f |
48 | /*********************************************************************** | |
49 | Display handling functions | |
50 | ***********************************************************************/ | |
51 | ||
52 | #ifdef HAVE_GTK_MULTIDISPLAY | |
53 | ||
54 | /* Return the GdkDisplay that corresponds to the X display DPY. */ | |
71bacd48 | 55 | |
810f2256 JD |
56 | static GdkDisplay * |
57 | xg_get_gdk_display (dpy) | |
58 | Display *dpy; | |
59 | { | |
60 | return gdk_x11_lookup_xdisplay (dpy); | |
61 | } | |
62 | ||
63 | /* When the GTK widget W is to be created on a display for F that | |
64 | is not the default display, set the display for W. | |
65 | W can be a GtkMenu or a GtkWindow widget. */ | |
71bacd48 | 66 | |
810f2256 JD |
67 | static void |
68 | xg_set_screen (w, f) | |
69 | GtkWidget *w; | |
70 | FRAME_PTR f; | |
71 | { | |
72 | if (FRAME_X_DISPLAY (f) != GDK_DISPLAY ()) | |
73 | { | |
74 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f)); | |
75 | GdkScreen *gscreen = gdk_display_get_default_screen (gdpy); | |
76 | ||
77 | if (GTK_IS_MENU (w)) | |
78 | gtk_menu_set_screen (GTK_MENU (w), gscreen); | |
79 | else | |
80 | gtk_window_set_screen (GTK_WINDOW (w), gscreen); | |
81 | } | |
82 | } | |
83 | ||
84 | ||
85 | #else /* not HAVE_GTK_MULTIDISPLAY */ | |
86 | ||
87 | /* Make some defines so we can use the GTK 2.2 functions when | |
88 | compiling with GTK 2.0. */ | |
71bacd48 | 89 | |
810f2256 JD |
90 | #define xg_set_screen(w, f) |
91 | #define gdk_xid_table_lookup_for_display(dpy, w) gdk_xid_table_lookup (w) | |
92 | #define gdk_pixmap_foreign_new_for_display(dpy, p) gdk_pixmap_foreign_new (p) | |
93 | #define gdk_cursor_new_for_display(dpy, c) gdk_cursor_new (c) | |
94 | #define gdk_x11_lookup_xdisplay(dpy) 0 | |
95 | #define GdkDisplay void | |
96 | ||
97 | #endif /* not HAVE_GTK_MULTIDISPLAY */ | |
98 | ||
99 | /* Open a display named by DISPLAY_NAME. The display is returned in *DPY. | |
100 | *DPY is set to NULL if the display can't be opened. | |
101 | ||
102 | Returns non-zero if display could be opened, zero if display could not | |
103 | be opened, and less than zero if the GTK version doesn't support | |
104 | multipe displays. */ | |
71bacd48 | 105 | |
810f2256 JD |
106 | int |
107 | xg_display_open (display_name, dpy) | |
108 | char *display_name; | |
109 | Display **dpy; | |
110 | { | |
111 | #ifdef HAVE_GTK_MULTIDISPLAY | |
112 | GdkDisplay *gdpy; | |
113 | ||
114 | gdpy = gdk_display_open (display_name); | |
115 | *dpy = gdpy ? GDK_DISPLAY_XDISPLAY (gdpy) : NULL; | |
116 | ||
117 | return gdpy != NULL; | |
118 | ||
119 | #else /* not HAVE_GTK_MULTIDISPLAY */ | |
120 | ||
121 | return -1; | |
122 | #endif /* not HAVE_GTK_MULTIDISPLAY */ | |
123 | } | |
124 | ||
125 | ||
71bacd48 JD |
126 | /* Close display DPY. */ |
127 | ||
810f2256 JD |
128 | void |
129 | xg_display_close (Display *dpy) | |
130 | { | |
131 | #ifdef HAVE_GTK_MULTIDISPLAY | |
132 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (dpy); | |
133 | ||
810f2256 | 134 | /* If this is the default display, we must change it before calling |
9d7dda8a | 135 | dispose, otherwise it will crash on some Gtk+ versions. */ |
810f2256 JD |
136 | if (gdk_display_get_default () == gdpy) |
137 | { | |
138 | struct x_display_info *dpyinfo; | |
139 | Display *new_dpy = 0; | |
140 | GdkDisplay *gdpy_new; | |
141 | ||
142 | /* Find another display. */ | |
143 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
144 | if (dpyinfo->display != dpy) | |
145 | { | |
146 | new_dpy = dpyinfo->display; | |
147 | break; | |
148 | } | |
149 | ||
150 | if (! new_dpy) return; /* Emacs will exit anyway. */ | |
151 | ||
152 | gdpy_new = gdk_x11_lookup_xdisplay (new_dpy); | |
153 | gdk_display_manager_set_default_display (gdk_display_manager_get (), | |
154 | gdpy_new); | |
155 | } | |
156 | ||
9d7dda8a JD |
157 | /* GTK 2.2-2.8 has a bug that makes gdk_display_close crash (bug |
158 | http://bugzilla.gnome.org/show_bug.cgi?id=85715). This way | |
159 | we can continue running, but there will be memory leaks. */ | |
810f2256 | 160 | |
9d7dda8a JD |
161 | #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 10 |
162 | g_object_run_dispose (G_OBJECT (gdpy)); | |
810f2256 | 163 | #else |
9d7dda8a | 164 | /* This seems to be fixed in GTK 2.10. */ |
810f2256 JD |
165 | gdk_display_close (gdpy); |
166 | #endif | |
167 | #endif /* HAVE_GTK_MULTIDISPLAY */ | |
168 | } | |
cea9be54 | 169 | |
f392e843 JD |
170 | \f |
171 | /*********************************************************************** | |
172 | Utility functions | |
173 | ***********************************************************************/ | |
174 | /* The timer for scroll bar repetition and menu bar timeouts. | |
175 | NULL if no timer is started. */ | |
176 | static struct atimer *xg_timer; | |
177 | ||
f392e843 JD |
178 | |
179 | /* The next two variables and functions are taken from lwlib. */ | |
180 | static widget_value *widget_value_free_list; | |
181 | static int malloc_cpt; | |
182 | ||
183 | /* Allocate a widget_value structure, either by taking one from the | |
184 | widget_value_free_list or by malloc:ing a new one. | |
185 | ||
186 | Return a pointer to the allocated structure. */ | |
71bacd48 | 187 | |
f392e843 JD |
188 | widget_value * |
189 | malloc_widget_value () | |
190 | { | |
191 | widget_value *wv; | |
192 | if (widget_value_free_list) | |
193 | { | |
194 | wv = widget_value_free_list; | |
195 | widget_value_free_list = wv->free_list; | |
196 | wv->free_list = 0; | |
197 | } | |
198 | else | |
199 | { | |
6d304eed | 200 | wv = (widget_value *) xmalloc (sizeof (widget_value)); |
f392e843 JD |
201 | malloc_cpt++; |
202 | } | |
203 | memset (wv, 0, sizeof (widget_value)); | |
204 | return wv; | |
205 | } | |
206 | ||
207 | /* This is analogous to free. It frees only what was allocated | |
208 | by malloc_widget_value, and no substructures. */ | |
71bacd48 | 209 | |
f392e843 JD |
210 | void |
211 | free_widget_value (wv) | |
212 | widget_value *wv; | |
213 | { | |
214 | if (wv->free_list) | |
215 | abort (); | |
216 | ||
217 | if (malloc_cpt > 25) | |
218 | { | |
219 | /* When the number of already allocated cells is too big, | |
220 | We free it. */ | |
221 | free (wv); | |
222 | malloc_cpt--; | |
223 | } | |
224 | else | |
225 | { | |
226 | wv->free_list = widget_value_free_list; | |
227 | widget_value_free_list = wv; | |
228 | } | |
229 | } | |
230 | ||
f392e843 | 231 | |
810f2256 JD |
232 | /* Create and return the cursor to be used for popup menus and |
233 | scroll bars on display DPY. */ | |
71bacd48 | 234 | |
810f2256 JD |
235 | GdkCursor * |
236 | xg_create_default_cursor (dpy) | |
237 | Display *dpy; | |
238 | { | |
239 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (dpy); | |
240 | return gdk_cursor_new_for_display (gdpy, GDK_LEFT_PTR); | |
241 | } | |
242 | ||
5695f1b4 JD |
243 | /* Apply GMASK to GPIX and return a GdkPixbuf with an alpha channel. */ |
244 | ||
1001243b | 245 | static GdkPixbuf * |
5695f1b4 JD |
246 | xg_get_pixbuf_from_pix_and_mask (gpix, gmask, cmap) |
247 | GdkPixmap *gpix; | |
248 | GdkPixmap *gmask; | |
249 | GdkColormap *cmap; | |
250 | { | |
251 | int x, y, width, height, rowstride, mask_rowstride; | |
252 | GdkPixbuf *icon_buf, *tmp_buf; | |
253 | guchar *pixels; | |
254 | guchar *mask_pixels; | |
255 | ||
256 | gdk_drawable_get_size (gpix, &width, &height); | |
257 | tmp_buf = gdk_pixbuf_get_from_drawable (NULL, gpix, cmap, | |
258 | 0, 0, 0, 0, width, height); | |
259 | icon_buf = gdk_pixbuf_add_alpha (tmp_buf, FALSE, 0, 0, 0); | |
260 | g_object_unref (G_OBJECT (tmp_buf)); | |
261 | ||
262 | if (gmask) | |
263 | { | |
264 | GdkPixbuf *mask_buf = gdk_pixbuf_get_from_drawable (NULL, | |
265 | gmask, | |
266 | NULL, | |
267 | 0, 0, 0, 0, | |
268 | width, height); | |
269 | guchar *pixels = gdk_pixbuf_get_pixels (icon_buf); | |
270 | guchar *mask_pixels = gdk_pixbuf_get_pixels (mask_buf); | |
271 | int rowstride = gdk_pixbuf_get_rowstride (icon_buf); | |
272 | int mask_rowstride = gdk_pixbuf_get_rowstride (mask_buf); | |
273 | int y; | |
274 | ||
275 | for (y = 0; y < height; ++y) | |
276 | { | |
277 | guchar *iconptr, *maskptr; | |
278 | int x; | |
279 | ||
280 | iconptr = pixels + y * rowstride; | |
281 | maskptr = mask_pixels + y * mask_rowstride; | |
282 | ||
283 | for (x = 0; x < width; ++x) | |
284 | { | |
285 | /* In a bitmap, RGB is either 255/255/255 or 0/0/0. Checking | |
286 | just R is sufficient. */ | |
287 | if (maskptr[0] == 0) | |
288 | iconptr[3] = 0; /* 0, 1, 2 is R, G, B. 3 is alpha. */ | |
289 | ||
290 | iconptr += rowstride/width; | |
291 | maskptr += mask_rowstride/width; | |
292 | } | |
293 | } | |
294 | ||
295 | g_object_unref (G_OBJECT (mask_buf)); | |
296 | } | |
297 | ||
298 | return icon_buf; | |
299 | } | |
300 | ||
5b166323 JD |
301 | /* For the image defined in IMG, make and return a GtkImage. For displays with |
302 | 8 planes or less we must make a GdkPixbuf and apply the mask manually. | |
303 | Otherwise the highlightning and dimming the tool bar code in GTK does | |
304 | will look bad. For display with more than 8 planes we just use the | |
305 | pixmap and mask directly. For monochrome displays, GTK doesn't seem | |
306 | able to use external pixmaps, it looks bad whatever we do. | |
307 | The image is defined on the display where frame F is. | |
308 | WIDGET is used to find the GdkColormap to use for the GdkPixbuf. | |
309 | If OLD_WIDGET is NULL, a new widget is constructed and returned. | |
310 | If OLD_WIDGET is not NULL, that widget is modified. */ | |
71bacd48 | 311 | |
5b166323 JD |
312 | static GtkWidget * |
313 | xg_get_image_for_pixmap (f, img, widget, old_widget) | |
810f2256 JD |
314 | FRAME_PTR f; |
315 | struct image *img; | |
5b166323 JD |
316 | GtkWidget *widget; |
317 | GtkImage *old_widget; | |
810f2256 | 318 | { |
5b166323 JD |
319 | GdkPixmap *gpix; |
320 | GdkPixmap *gmask; | |
03ecb80f JD |
321 | GdkDisplay *gdpy; |
322 | ||
0facd9c3 | 323 | /* If we have a file, let GTK do all the image handling. |
03ecb80f | 324 | This seems to be the only way to make insensitive and activated icons |
0facd9c3 JD |
325 | look good in all cases. */ |
326 | Lisp_Object specified_file = Qnil; | |
327 | Lisp_Object tail; | |
a821c035 | 328 | Lisp_Object file; |
0facd9c3 JD |
329 | extern Lisp_Object QCfile; |
330 | ||
331 | for (tail = XCDR (img->spec); | |
332 | NILP (specified_file) && CONSP (tail) && CONSP (XCDR (tail)); | |
333 | tail = XCDR (XCDR (tail))) | |
334 | if (EQ (XCAR (tail), QCfile)) | |
335 | specified_file = XCAR (XCDR (tail)); | |
336 | ||
a821c035 JD |
337 | /* We already loaded the image once before calling this |
338 | function, so this only fails if the image file has been removed. | |
339 | In that case, use the pixmap already loaded. */ | |
0facd9c3 | 340 | |
a821c035 JD |
341 | if (STRINGP (specified_file) |
342 | && STRINGP (file = x_find_image_file (specified_file))) | |
343 | { | |
0facd9c3 JD |
344 | if (! old_widget) |
345 | old_widget = GTK_IMAGE (gtk_image_new_from_file (SSDATA (file))); | |
346 | else | |
347 | gtk_image_set_from_file (old_widget, SSDATA (file)); | |
348 | ||
0facd9c3 | 349 | return GTK_WIDGET (old_widget); |
03ecb80f | 350 | } |
810f2256 | 351 | |
0facd9c3 JD |
352 | /* No file, do the image handling ourselves. This will look very bad |
353 | on a monochrome display, and sometimes bad on all displays with | |
354 | certain themes. */ | |
355 | ||
03ecb80f | 356 | gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f)); |
5b166323 JD |
357 | gpix = gdk_pixmap_foreign_new_for_display (gdpy, img->pixmap); |
358 | gmask = img->mask ? gdk_pixmap_foreign_new_for_display (gdpy, img->mask) : 0; | |
359 | ||
360 | if (x_screen_planes (f) > 8 || x_screen_planes (f) == 1) | |
361 | { | |
362 | if (! old_widget) | |
363 | old_widget = GTK_IMAGE (gtk_image_new_from_pixmap (gpix, gmask)); | |
364 | else | |
365 | gtk_image_set_from_pixmap (old_widget, gpix, gmask); | |
366 | } | |
367 | else | |
368 | { | |
5695f1b4 | 369 | |
03ecb80f JD |
370 | /* This is a workaround to make icons look good on pseudo color |
371 | displays. Apparently GTK expects the images to have an alpha | |
372 | channel. If they don't, insensitive and activated icons will | |
373 | look bad. This workaround does not work on monochrome displays, | |
374 | and is not needed on true color/static color displays (i.e. | |
375 | 16 bits and higher). */ | |
5695f1b4 JD |
376 | GdkColormap *cmap = gtk_widget_get_colormap (widget); |
377 | GdkPixbuf *icon_buf = xg_get_pixbuf_from_pix_and_mask (gpix, gmask, cmap); | |
5b166323 | 378 | |
5b166323 JD |
379 | if (! old_widget) |
380 | old_widget = GTK_IMAGE (gtk_image_new_from_pixbuf (icon_buf)); | |
381 | else | |
382 | gtk_image_set_from_pixbuf (old_widget, icon_buf); | |
383 | ||
384 | g_object_unref (G_OBJECT (icon_buf)); | |
385 | } | |
386 | ||
74cdfe05 JD |
387 | g_object_unref (G_OBJECT (gpix)); |
388 | if (gmask) g_object_unref (G_OBJECT (gmask)); | |
389 | ||
5b166323 | 390 | return GTK_WIDGET (old_widget); |
810f2256 JD |
391 | } |
392 | ||
393 | ||
394 | /* Set CURSOR on W and all widgets W contain. We must do like this | |
395 | for scroll bars and menu because they create widgets internally, | |
396 | and it is those widgets that are visible. */ | |
71bacd48 | 397 | |
810f2256 | 398 | static void |
f392e843 JD |
399 | xg_set_cursor (w, cursor) |
400 | GtkWidget *w; | |
810f2256 | 401 | GdkCursor *cursor; |
f392e843 JD |
402 | { |
403 | GList *children = gdk_window_peek_children (w->window); | |
404 | ||
810f2256 | 405 | gdk_window_set_cursor (w->window, cursor); |
f392e843 JD |
406 | |
407 | /* The scroll bar widget has more than one GDK window (had to look at | |
408 | the source to figure this out), and there is no way to set cursor | |
409 | on widgets in GTK. So we must set the cursor for all GDK windows. | |
410 | Ditto for menus. */ | |
411 | ||
412 | for ( ; children; children = g_list_next (children)) | |
810f2256 | 413 | gdk_window_set_cursor (GDK_WINDOW (children->data), cursor); |
f392e843 JD |
414 | } |
415 | ||
416 | /* Timer function called when a timeout occurs for xg_timer. | |
417 | This function processes all GTK events in a recursive event loop. | |
418 | This is done because GTK timer events are not seen by Emacs event | |
419 | detection, Emacs only looks for X events. When a scroll bar has the | |
420 | pointer (detected by button press/release events below) an Emacs | |
421 | timer is started, and this function can then check if the GTK timer | |
422 | has expired by calling the GTK event loop. | |
423 | Also, when a menu is active, it has a small timeout before it | |
424 | pops down the sub menu under it. */ | |
71bacd48 | 425 | |
f392e843 JD |
426 | static void |
427 | xg_process_timeouts (timer) | |
428 | struct atimer *timer; | |
429 | { | |
430 | BLOCK_INPUT; | |
431 | /* Ideally we would like to just handle timer events, like the Xt version | |
432 | of this does in xterm.c, but there is no such feature in GTK. */ | |
433 | while (gtk_events_pending ()) | |
434 | gtk_main_iteration (); | |
435 | UNBLOCK_INPUT; | |
436 | } | |
437 | ||
438 | /* Start the xg_timer with an interval of 0.1 seconds, if not already started. | |
439 | xg_process_timeouts is called when the timer expires. The timer | |
7863d625 | 440 | started is continuous, i.e. runs until xg_stop_timer is called. */ |
71bacd48 | 441 | |
f392e843 JD |
442 | static void |
443 | xg_start_timer () | |
444 | { | |
445 | if (! xg_timer) | |
446 | { | |
447 | EMACS_TIME interval; | |
448 | EMACS_SET_SECS_USECS (interval, 0, 100000); | |
449 | xg_timer = start_atimer (ATIMER_CONTINUOUS, | |
450 | interval, | |
451 | xg_process_timeouts, | |
452 | 0); | |
453 | } | |
454 | } | |
455 | ||
456 | /* Stop the xg_timer if started. */ | |
71bacd48 | 457 | |
f392e843 JD |
458 | static void |
459 | xg_stop_timer () | |
460 | { | |
461 | if (xg_timer) | |
462 | { | |
463 | cancel_atimer (xg_timer); | |
464 | xg_timer = 0; | |
465 | } | |
466 | } | |
467 | ||
468 | /* Insert NODE into linked LIST. */ | |
71bacd48 | 469 | |
f392e843 JD |
470 | static void |
471 | xg_list_insert (xg_list_node *list, xg_list_node *node) | |
472 | { | |
473 | xg_list_node *list_start = list->next; | |
177c0ea7 | 474 | |
f392e843 JD |
475 | if (list_start) list_start->prev = node; |
476 | node->next = list_start; | |
477 | node->prev = 0; | |
478 | list->next = node; | |
479 | } | |
480 | ||
481 | /* Remove NODE from linked LIST. */ | |
71bacd48 | 482 | |
f392e843 JD |
483 | static void |
484 | xg_list_remove (xg_list_node *list, xg_list_node *node) | |
485 | { | |
486 | xg_list_node *list_start = list->next; | |
487 | if (node == list_start) | |
488 | { | |
489 | list->next = node->next; | |
490 | if (list->next) list->next->prev = 0; | |
491 | } | |
492 | else | |
493 | { | |
494 | node->prev->next = node->next; | |
495 | if (node->next) node->next->prev = node->prev; | |
496 | } | |
497 | } | |
498 | ||
499 | /* Allocate and return a utf8 version of STR. If STR is already | |
500 | utf8 or NULL, just return STR. | |
501 | If not, a new string is allocated and the caller must free the result | |
502 | with g_free. */ | |
71bacd48 | 503 | |
f392e843 JD |
504 | static char * |
505 | get_utf8_string (str) | |
506 | char *str; | |
507 | { | |
508 | char *utf8_str = str; | |
177c0ea7 | 509 | |
241ad3ca JD |
510 | if (!str) return NULL; |
511 | ||
f392e843 | 512 | /* If not UTF-8, try current locale. */ |
241ad3ca | 513 | if (!g_utf8_validate (str, -1, NULL)) |
f392e843 JD |
514 | utf8_str = g_locale_to_utf8 (str, -1, 0, 0, 0); |
515 | ||
241ad3ca JD |
516 | if (!utf8_str) |
517 | { | |
518 | /* Probably some control characters in str. Escape them. */ | |
519 | size_t nr_bad = 0; | |
520 | gsize bytes_read; | |
521 | gsize bytes_written; | |
522 | unsigned char *p = (unsigned char *)str; | |
523 | char *cp, *up; | |
524 | GError *error = NULL; | |
525 | ||
526 | while (! (cp = g_locale_to_utf8 (p, -1, &bytes_read, | |
527 | &bytes_written, &error)) | |
528 | && error->code == G_CONVERT_ERROR_ILLEGAL_SEQUENCE) | |
529 | { | |
530 | ++nr_bad; | |
531 | p += bytes_written+1; | |
532 | g_error_free (error); | |
533 | error = NULL; | |
534 | } | |
535 | ||
536 | if (error) | |
537 | { | |
538 | g_error_free (error); | |
539 | error = NULL; | |
540 | } | |
541 | if (cp) g_free (cp); | |
542 | ||
543 | up = utf8_str = xmalloc (strlen (str) + nr_bad * 4 + 1); | |
544 | p = str; | |
545 | ||
546 | while (! (cp = g_locale_to_utf8 (p, -1, &bytes_read, | |
547 | &bytes_written, &error)) | |
548 | && error->code == G_CONVERT_ERROR_ILLEGAL_SEQUENCE) | |
549 | { | |
550 | strncpy (up, p, bytes_written); | |
551 | sprintf (up + bytes_written, "\\%03o", p[bytes_written]); | |
552 | up[bytes_written+4] = '\0'; | |
553 | up += bytes_written+4; | |
554 | p += bytes_written+1; | |
555 | g_error_free (error); | |
556 | error = NULL; | |
557 | } | |
558 | ||
559 | if (cp) | |
560 | { | |
561 | strcat (utf8_str, cp); | |
562 | g_free (cp); | |
563 | } | |
564 | if (error) | |
565 | { | |
566 | g_error_free (error); | |
567 | error = NULL; | |
568 | } | |
569 | } | |
f392e843 JD |
570 | return utf8_str; |
571 | } | |
572 | ||
573 | ||
574 | \f | |
575 | /*********************************************************************** | |
576 | General functions for creating widgets, resizing, events, e.t.c. | |
577 | ***********************************************************************/ | |
578 | ||
579 | /* Make a geometry string and pass that to GTK. It seems this is the | |
580 | only way to get geometry position right if the user explicitly | |
581 | asked for a position when starting Emacs. | |
582 | F is the frame we shall set geometry for. */ | |
71bacd48 | 583 | |
f392e843 JD |
584 | static void |
585 | xg_set_geometry (f) | |
586 | FRAME_PTR f; | |
587 | { | |
be786000 | 588 | if (f->size_hint_flags & USPosition) |
f392e843 | 589 | { |
be786000 KS |
590 | int left = f->left_pos; |
591 | int xneg = f->size_hint_flags & XNegative; | |
592 | int top = f->top_pos; | |
593 | int yneg = f->size_hint_flags & YNegative; | |
f392e843 | 594 | char geom_str[32]; |
177c0ea7 | 595 | |
f392e843 JD |
596 | if (xneg) |
597 | left = -left; | |
598 | if (yneg) | |
599 | top = -top; | |
600 | ||
601 | sprintf (geom_str, "=%dx%d%c%d%c%d", | |
be786000 | 602 | FRAME_PIXEL_WIDTH (f), |
f392e843 JD |
603 | FRAME_TOTAL_PIXEL_HEIGHT (f), |
604 | (xneg ? '-' : '+'), left, | |
605 | (yneg ? '-' : '+'), top); | |
606 | ||
607 | if (!gtk_window_parse_geometry (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
608 | geom_str)) | |
609 | fprintf (stderr, "Failed to parse: '%s'\n", geom_str); | |
52d166e0 JD |
610 | } else if (f->size_hint_flags & PPosition) { |
611 | gtk_window_move (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
612 | f->left_pos, f->top_pos); | |
f392e843 JD |
613 | } |
614 | } | |
615 | ||
177c0ea7 | 616 | |
f392e843 JD |
617 | /* Resize the outer window of frame F after chainging the height. |
618 | This happend when the menu bar or the tool bar is added or removed. | |
619 | COLUMNS/ROWS is the size the edit area shall have after the resize. */ | |
71bacd48 | 620 | |
f392e843 JD |
621 | static void |
622 | xg_resize_outer_widget (f, columns, rows) | |
623 | FRAME_PTR f; | |
624 | int columns; | |
625 | int rows; | |
626 | { | |
f392e843 JD |
627 | /* If we are not mapped yet, set geometry once again, as window |
628 | height now have changed. */ | |
629 | if (! GTK_WIDGET_MAPPED (FRAME_GTK_OUTER_WIDGET (f))) | |
630 | xg_set_geometry (f); | |
631 | ||
632 | xg_frame_set_char_size (f, columns, rows); | |
633 | gdk_window_process_all_updates (); | |
634 | } | |
635 | ||
636 | /* Function to handle resize of our widgets. Since Emacs has some layouts | |
637 | that does not fit well with GTK standard containers, we do most layout | |
638 | manually. | |
639 | F is the frame to resize. | |
640 | PIXELWIDTH, PIXELHEIGHT is the new size in pixels. */ | |
71bacd48 | 641 | |
f392e843 JD |
642 | void |
643 | xg_resize_widgets (f, pixelwidth, pixelheight) | |
644 | FRAME_PTR f; | |
645 | int pixelwidth, pixelheight; | |
646 | { | |
647 | int mbheight = FRAME_MENUBAR_HEIGHT (f); | |
648 | int tbheight = FRAME_TOOLBAR_HEIGHT (f); | |
c43923ad | 649 | int rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, (pixelheight |
be786000 KS |
650 | - mbheight - tbheight)); |
651 | int columns = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pixelwidth); | |
177c0ea7 | 652 | |
f392e843 | 653 | if (FRAME_GTK_WIDGET (f) |
c43923ad | 654 | && (columns != FRAME_COLS (f) |
1755a397 | 655 | || rows != FRAME_LINES (f) |
c43923ad | 656 | || pixelwidth != FRAME_PIXEL_WIDTH (f) |
1755a397 | 657 | || pixelheight != FRAME_PIXEL_HEIGHT (f))) |
f392e843 JD |
658 | { |
659 | struct x_output *x = f->output_data.x; | |
660 | GtkAllocation all; | |
661 | ||
662 | all.y = mbheight + tbheight; | |
663 | all.x = 0; | |
664 | ||
665 | all.width = pixelwidth; | |
666 | all.height = pixelheight - mbheight - tbheight; | |
667 | ||
668 | gtk_widget_size_allocate (x->edit_widget, &all); | |
cea9be54 | 669 | |
f392e843 JD |
670 | change_frame_size (f, rows, columns, 0, 1, 0); |
671 | SET_FRAME_GARBAGED (f); | |
672 | cancel_mouse_face (f); | |
673 | } | |
674 | } | |
675 | ||
676 | ||
677 | /* Update our widget size to be COLS/ROWS characters for frame F. */ | |
71bacd48 | 678 | |
f392e843 JD |
679 | void |
680 | xg_frame_set_char_size (f, cols, rows) | |
681 | FRAME_PTR f; | |
682 | int cols; | |
683 | int rows; | |
684 | { | |
be786000 | 685 | int pixelheight = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, rows) |
f392e843 | 686 | + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f); |
5fd6f727 | 687 | int pixelwidth; |
177c0ea7 | 688 | |
f392e843 JD |
689 | /* Take into account the size of the scroll bar. Always use the |
690 | number of columns occupied by the scroll bar here otherwise we | |
691 | might end up with a frame width that is not a multiple of the | |
692 | frame's character width which is bad for vertically split | |
693 | windows. */ | |
be786000 KS |
694 | f->scroll_bar_actual_width |
695 | = FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f); | |
f392e843 | 696 | |
055d3c98 | 697 | compute_fringe_widths (f, 0); |
f392e843 | 698 | |
be786000 | 699 | /* FRAME_TEXT_COLS_TO_PIXEL_WIDTH uses scroll_bar_actual_width, so call it |
5fd6f727 | 700 | after calculating that value. */ |
be786000 | 701 | pixelwidth = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, cols); |
5fd6f727 | 702 | |
f392e843 JD |
703 | /* Must resize our top level widget. Font size may have changed, |
704 | but not rows/cols. */ | |
705 | gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
706 | pixelwidth, pixelheight); | |
707 | xg_resize_widgets (f, pixelwidth, pixelheight); | |
f26fab36 | 708 | x_wm_set_size_hint (f, 0, 0); |
5fd6f727 JD |
709 | SET_FRAME_GARBAGED (f); |
710 | cancel_mouse_face (f); | |
f392e843 JD |
711 | } |
712 | ||
810f2256 | 713 | /* Convert an X Window WSESC on display DPY to its corresponding GtkWidget. |
f392e843 JD |
714 | Must be done like this, because GtkWidget:s can have "hidden" |
715 | X Window that aren't accessible. | |
716 | ||
717 | Return 0 if no widget match WDESC. */ | |
71bacd48 | 718 | |
f392e843 | 719 | GtkWidget * |
810f2256 JD |
720 | xg_win_to_widget (dpy, wdesc) |
721 | Display *dpy; | |
f392e843 JD |
722 | Window wdesc; |
723 | { | |
724 | gpointer gdkwin; | |
725 | GtkWidget *gwdesc = 0; | |
726 | ||
727 | BLOCK_INPUT; | |
810f2256 JD |
728 | |
729 | gdkwin = gdk_xid_table_lookup_for_display (gdk_x11_lookup_xdisplay (dpy), | |
730 | wdesc); | |
f392e843 JD |
731 | if (gdkwin) |
732 | { | |
733 | GdkEvent event; | |
734 | event.any.window = gdkwin; | |
735 | gwdesc = gtk_get_event_widget (&event); | |
736 | } | |
177c0ea7 | 737 | |
f392e843 JD |
738 | UNBLOCK_INPUT; |
739 | return gwdesc; | |
740 | } | |
741 | ||
742 | /* Fill in the GdkColor C so that it represents PIXEL. | |
743 | W is the widget that color will be used for. Used to find colormap. */ | |
71bacd48 | 744 | |
f392e843 JD |
745 | static void |
746 | xg_pix_to_gcolor (w, pixel, c) | |
747 | GtkWidget *w; | |
748 | unsigned long pixel; | |
749 | GdkColor *c; | |
750 | { | |
751 | GdkColormap *map = gtk_widget_get_colormap (w); | |
752 | gdk_colormap_query_color (map, pixel, c); | |
753 | } | |
754 | ||
755 | /* Create and set up the GTK widgets for frame F. | |
756 | Return 0 if creation failed, non-zero otherwise. */ | |
71bacd48 | 757 | |
f392e843 JD |
758 | int |
759 | xg_create_frame_widgets (f) | |
760 | FRAME_PTR f; | |
761 | { | |
762 | GtkWidget *wtop; | |
763 | GtkWidget *wvbox; | |
764 | GtkWidget *wfixed; | |
765 | GdkColor bg; | |
766 | GtkRcStyle *style; | |
767 | int i; | |
768 | char *title = 0; | |
177c0ea7 | 769 | |
f392e843 JD |
770 | BLOCK_INPUT; |
771 | ||
772 | wtop = gtk_window_new (GTK_WINDOW_TOPLEVEL); | |
810f2256 JD |
773 | xg_set_screen (wtop, f); |
774 | ||
f392e843 JD |
775 | wvbox = gtk_vbox_new (FALSE, 0); |
776 | wfixed = gtk_fixed_new (); /* Must have this to place scroll bars */ | |
177c0ea7 | 777 | |
f392e843 JD |
778 | if (! wtop || ! wvbox || ! wfixed) |
779 | { | |
780 | if (wtop) gtk_widget_destroy (wtop); | |
781 | if (wvbox) gtk_widget_destroy (wvbox); | |
782 | if (wfixed) gtk_widget_destroy (wfixed); | |
783 | ||
c43923ad | 784 | UNBLOCK_INPUT; |
f392e843 JD |
785 | return 0; |
786 | } | |
787 | ||
788 | /* Use same names as the Xt port does. I.e. Emacs.pane.emacs by default */ | |
789 | gtk_widget_set_name (wtop, EMACS_CLASS); | |
790 | gtk_widget_set_name (wvbox, "pane"); | |
93c579e0 | 791 | gtk_widget_set_name (wfixed, SSDATA (Vx_resource_name)); |
f392e843 JD |
792 | |
793 | /* If this frame has a title or name, set it in the title bar. */ | |
93c579e0 JD |
794 | if (! NILP (f->title)) title = SSDATA (ENCODE_UTF_8 (f->title)); |
795 | else if (! NILP (f->name)) title = SSDATA (ENCODE_UTF_8 (f->name)); | |
f392e843 JD |
796 | |
797 | if (title) gtk_window_set_title (GTK_WINDOW (wtop), title); | |
177c0ea7 | 798 | |
f392e843 JD |
799 | FRAME_GTK_OUTER_WIDGET (f) = wtop; |
800 | FRAME_GTK_WIDGET (f) = wfixed; | |
801 | f->output_data.x->vbox_widget = wvbox; | |
802 | ||
803 | gtk_fixed_set_has_window (GTK_FIXED (wfixed), TRUE); | |
804 | ||
810f2256 JD |
805 | gtk_widget_set_size_request (wfixed, FRAME_PIXEL_WIDTH (f), |
806 | FRAME_PIXEL_HEIGHT (f)); | |
177c0ea7 | 807 | |
f392e843 JD |
808 | gtk_container_add (GTK_CONTAINER (wtop), wvbox); |
809 | gtk_box_pack_end (GTK_BOX (wvbox), wfixed, TRUE, TRUE, 0); | |
810 | ||
811 | if (FRAME_EXTERNAL_TOOL_BAR (f)) | |
812 | update_frame_tool_bar (f); | |
813 | ||
814 | /* The tool bar is created but first there are no items in it. | |
815 | This causes it to be zero height. Later items are added, but then | |
816 | the frame is already mapped, so there is a "jumping" resize. | |
817 | This makes geometry handling difficult, for example -0-0 will end | |
818 | up in the wrong place as tool bar height has not been taken into account. | |
819 | So we cheat a bit by setting a height that is what it will have | |
820 | later on when tool bar items are added. */ | |
5500be54 | 821 | if (FRAME_EXTERNAL_TOOL_BAR (f) && f->n_tool_bar_items == 0) |
e0910857 | 822 | FRAME_TOOLBAR_HEIGHT (f) = 38; |
177c0ea7 | 823 | |
7863d625 JD |
824 | |
825 | /* We don't want this widget double buffered, because we draw on it | |
826 | with regular X drawing primitives, so from a GTK/GDK point of | |
827 | view, the widget is totally blank. When an expose comes, this | |
828 | will make the widget blank, and then Emacs redraws it. This flickers | |
829 | a lot, so we turn off double buffering. */ | |
f392e843 | 830 | gtk_widget_set_double_buffered (wfixed, FALSE); |
7863d625 | 831 | |
f392e843 JD |
832 | /* GTK documents says use gtk_window_set_resizable. But then a user |
833 | can't shrink the window from its starting size. */ | |
834 | gtk_window_set_policy (GTK_WINDOW (wtop), TRUE, TRUE, TRUE); | |
835 | gtk_window_set_wmclass (GTK_WINDOW (wtop), | |
93c579e0 JD |
836 | SSDATA (Vx_resource_name), |
837 | SSDATA (Vx_resource_class)); | |
f392e843 JD |
838 | |
839 | /* Add callback to do nothing on WM_DELETE_WINDOW. The default in | |
840 | GTK is to destroy the widget. We want Emacs to do that instead. */ | |
841 | g_signal_connect (G_OBJECT (wtop), "delete-event", | |
842 | G_CALLBACK (gtk_true), 0); | |
177c0ea7 | 843 | |
f392e843 JD |
844 | /* Convert our geometry parameters into a geometry string |
845 | and specify it. | |
846 | GTK will itself handle calculating the real position this way. */ | |
847 | xg_set_geometry (f); | |
848 | ||
849 | gtk_widget_add_events (wfixed, | |
850 | GDK_POINTER_MOTION_MASK | |
851 | | GDK_EXPOSURE_MASK | |
852 | | GDK_BUTTON_PRESS_MASK | |
853 | | GDK_BUTTON_RELEASE_MASK | |
854 | | GDK_KEY_PRESS_MASK | |
855 | | GDK_ENTER_NOTIFY_MASK | |
856 | | GDK_LEAVE_NOTIFY_MASK | |
857 | | GDK_FOCUS_CHANGE_MASK | |
858 | | GDK_STRUCTURE_MASK | |
859 | | GDK_VISIBILITY_NOTIFY_MASK); | |
860 | ||
861 | /* Must realize the windows so the X window gets created. It is used | |
862 | by callers of this function. */ | |
863 | gtk_widget_realize (wfixed); | |
864 | FRAME_X_WINDOW (f) = GTK_WIDGET_TO_X_WIN (wfixed); | |
865 | ||
866 | /* Since GTK clears its window by filling with the background color, | |
867 | we must keep X and GTK background in sync. */ | |
868 | xg_pix_to_gcolor (wfixed, f->output_data.x->background_pixel, &bg); | |
869 | gtk_widget_modify_bg (wfixed, GTK_STATE_NORMAL, &bg); | |
870 | ||
871 | /* Also, do not let any background pixmap to be set, this looks very | |
872 | bad as Emacs overwrites the background pixmap with its own idea | |
873 | of background color. */ | |
874 | style = gtk_widget_get_modifier_style (wfixed); | |
875 | ||
876 | /* Must use g_strdup because gtk_widget_modify_style does g_free. */ | |
877 | style->bg_pixmap_name[GTK_STATE_NORMAL] = g_strdup ("<none>"); | |
878 | gtk_widget_modify_style (wfixed, style); | |
177c0ea7 | 879 | |
f392e843 | 880 | /* GTK does not set any border, and they look bad with GTK. */ |
be786000 KS |
881 | f->border_width = 0; |
882 | f->internal_border_width = 0; | |
f392e843 JD |
883 | |
884 | UNBLOCK_INPUT; | |
885 | ||
886 | return 1; | |
887 | } | |
888 | ||
889 | /* Set the normal size hints for the window manager, for frame F. | |
890 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
891 | that the window now has. | |
892 | If USER_POSITION is nonzero, we set the User Position | |
893 | flag (this is useful when FLAGS is 0). */ | |
71bacd48 | 894 | |
f392e843 JD |
895 | void |
896 | x_wm_set_size_hint (f, flags, user_position) | |
897 | FRAME_PTR f; | |
898 | long flags; | |
899 | int user_position; | |
900 | { | |
901 | if (FRAME_GTK_OUTER_WIDGET (f)) | |
902 | { | |
903 | /* Must use GTK routines here, otherwise GTK resets the size hints | |
904 | to its own defaults. */ | |
905 | GdkGeometry size_hints; | |
906 | gint hint_flags = 0; | |
907 | int base_width, base_height; | |
908 | int min_rows = 0, min_cols = 0; | |
be786000 | 909 | int win_gravity = f->win_gravity; |
177c0ea7 | 910 | |
f392e843 JD |
911 | if (flags) |
912 | { | |
913 | memset (&size_hints, 0, sizeof (size_hints)); | |
914 | f->output_data.x->size_hints = size_hints; | |
915 | f->output_data.x->hint_flags = hint_flags; | |
916 | } | |
917 | else | |
be786000 | 918 | flags = f->size_hint_flags; |
177c0ea7 | 919 | |
f392e843 JD |
920 | size_hints = f->output_data.x->size_hints; |
921 | hint_flags = f->output_data.x->hint_flags; | |
922 | ||
923 | hint_flags |= GDK_HINT_RESIZE_INC | GDK_HINT_MIN_SIZE; | |
be786000 KS |
924 | size_hints.width_inc = FRAME_COLUMN_WIDTH (f); |
925 | size_hints.height_inc = FRAME_LINE_HEIGHT (f); | |
f392e843 JD |
926 | |
927 | hint_flags |= GDK_HINT_BASE_SIZE; | |
be786000 KS |
928 | base_width = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, 0); |
929 | base_height = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, 0) | |
f392e843 JD |
930 | + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f); |
931 | ||
932 | check_frame_size (f, &min_rows, &min_cols); | |
933 | ||
934 | size_hints.base_width = base_width; | |
935 | size_hints.base_height = base_height; | |
936 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
937 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
938 | ||
177c0ea7 | 939 | |
f392e843 JD |
940 | /* These currently have a one to one mapping with the X values, but I |
941 | don't think we should rely on that. */ | |
942 | hint_flags |= GDK_HINT_WIN_GRAVITY; | |
943 | size_hints.win_gravity = 0; | |
944 | if (win_gravity == NorthWestGravity) | |
945 | size_hints.win_gravity = GDK_GRAVITY_NORTH_WEST; | |
946 | else if (win_gravity == NorthGravity) | |
947 | size_hints.win_gravity = GDK_GRAVITY_NORTH; | |
948 | else if (win_gravity == NorthEastGravity) | |
949 | size_hints.win_gravity = GDK_GRAVITY_NORTH_EAST; | |
950 | else if (win_gravity == WestGravity) | |
951 | size_hints.win_gravity = GDK_GRAVITY_WEST; | |
952 | else if (win_gravity == CenterGravity) | |
953 | size_hints.win_gravity = GDK_GRAVITY_CENTER; | |
954 | else if (win_gravity == EastGravity) | |
955 | size_hints.win_gravity = GDK_GRAVITY_EAST; | |
956 | else if (win_gravity == SouthWestGravity) | |
957 | size_hints.win_gravity = GDK_GRAVITY_SOUTH_WEST; | |
958 | else if (win_gravity == SouthGravity) | |
959 | size_hints.win_gravity = GDK_GRAVITY_SOUTH; | |
960 | else if (win_gravity == SouthEastGravity) | |
961 | size_hints.win_gravity = GDK_GRAVITY_SOUTH_EAST; | |
962 | else if (win_gravity == StaticGravity) | |
963 | size_hints.win_gravity = GDK_GRAVITY_STATIC; | |
964 | ||
965 | if (flags & PPosition) hint_flags |= GDK_HINT_POS; | |
966 | if (flags & USPosition) hint_flags |= GDK_HINT_USER_POS; | |
967 | if (flags & USSize) hint_flags |= GDK_HINT_USER_SIZE; | |
968 | ||
969 | if (user_position) | |
970 | { | |
971 | hint_flags &= ~GDK_HINT_POS; | |
972 | hint_flags |= GDK_HINT_USER_POS; | |
973 | } | |
974 | ||
975 | BLOCK_INPUT; | |
976 | ||
977 | gtk_window_set_geometry_hints (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
978 | FRAME_GTK_OUTER_WIDGET (f), | |
979 | &size_hints, | |
980 | hint_flags); | |
981 | ||
982 | f->output_data.x->size_hints = size_hints; | |
983 | f->output_data.x->hint_flags = hint_flags; | |
984 | UNBLOCK_INPUT; | |
985 | } | |
986 | } | |
987 | ||
988 | /* Change background color of a frame. | |
989 | Since GTK uses the background colour to clear the window, we must | |
990 | keep the GTK and X colors in sync. | |
991 | F is the frame to change, | |
992 | BG is the pixel value to change to. */ | |
71bacd48 | 993 | |
f392e843 JD |
994 | void |
995 | xg_set_background_color (f, bg) | |
996 | FRAME_PTR f; | |
997 | unsigned long bg; | |
998 | { | |
999 | if (FRAME_GTK_WIDGET (f)) | |
1000 | { | |
1001 | GdkColor gdk_bg; | |
1002 | ||
1003 | BLOCK_INPUT; | |
1004 | xg_pix_to_gcolor (FRAME_GTK_WIDGET (f), bg, &gdk_bg); | |
1005 | gtk_widget_modify_bg (FRAME_GTK_WIDGET (f), GTK_STATE_NORMAL, &gdk_bg); | |
1006 | UNBLOCK_INPUT; | |
1007 | } | |
1008 | } | |
1009 | ||
1010 | ||
1001243b JD |
1011 | /* Set the frame icon to ICON_PIXMAP/MASK. This must be done with GTK |
1012 | functions so GTK does not overwrite the icon. */ | |
1013 | ||
1014 | void | |
1015 | xg_set_frame_icon (f, icon_pixmap, icon_mask) | |
1016 | FRAME_PTR f; | |
1017 | Pixmap icon_pixmap; | |
1018 | Pixmap icon_mask; | |
1019 | { | |
1020 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f)); | |
1021 | GdkPixmap *gpix = gdk_pixmap_foreign_new_for_display (gdpy, icon_pixmap); | |
1022 | GdkPixmap *gmask = gdk_pixmap_foreign_new_for_display (gdpy, icon_mask); | |
1023 | GdkPixbuf *gp = xg_get_pixbuf_from_pix_and_mask (gpix, gmask, NULL); | |
1024 | ||
1025 | gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), gp); | |
1026 | } | |
1027 | ||
1028 | ||
f392e843 JD |
1029 | \f |
1030 | /*********************************************************************** | |
1031 | Dialog functions | |
1032 | ***********************************************************************/ | |
1033 | /* Return the dialog title to use for a dialog of type KEY. | |
1034 | This is the encoding used by lwlib. We use the same for GTK. */ | |
71bacd48 | 1035 | |
f392e843 JD |
1036 | static char * |
1037 | get_dialog_title (char key) | |
1038 | { | |
1039 | char *title = ""; | |
177c0ea7 | 1040 | |
f392e843 JD |
1041 | switch (key) { |
1042 | case 'E': case 'e': | |
1043 | title = "Error"; | |
1044 | break; | |
1045 | ||
1046 | case 'I': case 'i': | |
1047 | title = "Information"; | |
1048 | break; | |
1049 | ||
1050 | case 'L': case 'l': | |
1051 | title = "Prompt"; | |
1052 | break; | |
1053 | ||
1054 | case 'P': case 'p': | |
1055 | title = "Prompt"; | |
1056 | break; | |
1057 | ||
1058 | case 'Q': case 'q': | |
1059 | title = "Question"; | |
1060 | break; | |
1061 | } | |
1062 | ||
1063 | return title; | |
1064 | } | |
1065 | ||
1066 | /* Callback for dialogs that get WM_DELETE_WINDOW. We pop down | |
1067 | the dialog, but return TRUE so the event does not propagate further | |
1068 | in GTK. This prevents GTK from destroying the dialog widget automatically | |
1069 | and we can always destrou the widget manually, regardles of how | |
1070 | it was popped down (button press or WM_DELETE_WINDOW). | |
1071 | W is the dialog widget. | |
1072 | EVENT is the GdkEvent that represents WM_DELETE_WINDOW (not used). | |
1073 | user_data is NULL (not used). | |
1074 | ||
1075 | Returns TRUE to end propagation of event. */ | |
71bacd48 | 1076 | |
f392e843 JD |
1077 | static gboolean |
1078 | dialog_delete_callback (w, event, user_data) | |
1079 | GtkWidget *w; | |
1080 | GdkEvent *event; | |
1081 | gpointer user_data; | |
1082 | { | |
1083 | gtk_widget_unmap (w); | |
1084 | return TRUE; | |
1085 | } | |
1086 | ||
1087 | /* Create a popup dialog window. See also xg_create_widget below. | |
1088 | WV is a widget_value describing the dialog. | |
1089 | SELECT_CB is the callback to use when a button has been pressed. | |
1090 | DEACTIVATE_CB is the callback to use when the dialog pops down. | |
1091 | ||
1092 | Returns the GTK dialog widget. */ | |
71bacd48 | 1093 | |
f392e843 JD |
1094 | static GtkWidget * |
1095 | create_dialog (wv, select_cb, deactivate_cb) | |
1096 | widget_value *wv; | |
1097 | GCallback select_cb; | |
1098 | GCallback deactivate_cb; | |
1099 | { | |
1100 | char *title = get_dialog_title (wv->name[0]); | |
1101 | int total_buttons = wv->name[1] - '0'; | |
1102 | int right_buttons = wv->name[4] - '0'; | |
1103 | int left_buttons; | |
1104 | int button_nr = 0; | |
1105 | int button_spacing = 10; | |
1106 | GtkWidget *wdialog = gtk_dialog_new (); | |
1107 | widget_value *item; | |
1108 | GtkBox *cur_box; | |
1109 | GtkWidget *wvbox; | |
1110 | GtkWidget *whbox_up; | |
1111 | GtkWidget *whbox_down; | |
1112 | ||
1113 | /* If the number of buttons is greater than 4, make two rows of buttons | |
1114 | instead. This looks better. */ | |
1115 | int make_two_rows = total_buttons > 4; | |
1116 | ||
1117 | if (right_buttons == 0) right_buttons = total_buttons/2; | |
1118 | left_buttons = total_buttons - right_buttons; | |
1119 | ||
1120 | gtk_window_set_title (GTK_WINDOW (wdialog), title); | |
1121 | gtk_widget_set_name (wdialog, "emacs-dialog"); | |
1122 | ||
1123 | cur_box = GTK_BOX (GTK_DIALOG (wdialog)->action_area); | |
1124 | ||
1125 | if (make_two_rows) | |
1126 | { | |
1127 | wvbox = gtk_vbox_new (TRUE, button_spacing); | |
1128 | whbox_up = gtk_hbox_new (FALSE, 0); | |
1129 | whbox_down = gtk_hbox_new (FALSE, 0); | |
1130 | ||
1131 | gtk_box_pack_start (cur_box, wvbox, FALSE, FALSE, 0); | |
1132 | gtk_box_pack_start (GTK_BOX (wvbox), whbox_up, FALSE, FALSE, 0); | |
1133 | gtk_box_pack_start (GTK_BOX (wvbox), whbox_down, FALSE, FALSE, 0); | |
1134 | ||
1135 | cur_box = GTK_BOX (whbox_up); | |
1136 | } | |
1137 | ||
1138 | g_signal_connect (G_OBJECT (wdialog), "delete-event", | |
1139 | G_CALLBACK (dialog_delete_callback), 0); | |
177c0ea7 | 1140 | |
f392e843 JD |
1141 | if (deactivate_cb) |
1142 | { | |
1143 | g_signal_connect (G_OBJECT (wdialog), "close", deactivate_cb, 0); | |
1144 | g_signal_connect (G_OBJECT (wdialog), "response", deactivate_cb, 0); | |
1145 | } | |
1146 | ||
1147 | for (item = wv->contents; item; item = item->next) | |
1148 | { | |
1149 | char *utf8_label = get_utf8_string (item->value); | |
1150 | GtkWidget *w; | |
1151 | GtkRequisition req; | |
1152 | ||
0a1d6de0 | 1153 | if (item->name && strcmp (item->name, "message") == 0) |
f392e843 JD |
1154 | { |
1155 | /* This is the text part of the dialog. */ | |
1156 | w = gtk_label_new (utf8_label); | |
1157 | gtk_box_pack_start (GTK_BOX (GTK_DIALOG (wdialog)->vbox), | |
1158 | gtk_label_new (""), | |
1159 | FALSE, FALSE, 0); | |
1160 | gtk_box_pack_start (GTK_BOX (GTK_DIALOG (wdialog)->vbox), w, | |
1161 | TRUE, TRUE, 0); | |
1162 | gtk_misc_set_alignment (GTK_MISC (w), 0.1, 0.5); | |
1163 | ||
1164 | /* Try to make dialog look better. Must realize first so | |
1165 | the widget can calculate the size it needs. */ | |
1166 | gtk_widget_realize (w); | |
1167 | gtk_widget_size_request (w, &req); | |
1168 | gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (wdialog)->vbox), | |
1169 | req.height); | |
0a1d6de0 | 1170 | if (item->value && strlen (item->value) > 0) |
f392e843 JD |
1171 | button_spacing = 2*req.width/strlen (item->value); |
1172 | } | |
1173 | else | |
1174 | { | |
1175 | /* This is one button to add to the dialog. */ | |
4b1b4443 | 1176 | w = gtk_button_new_with_label (utf8_label); |
f392e843 JD |
1177 | if (! item->enabled) |
1178 | gtk_widget_set_sensitive (w, FALSE); | |
1179 | if (select_cb) | |
1180 | g_signal_connect (G_OBJECT (w), "clicked", | |
1181 | select_cb, item->call_data); | |
1182 | ||
1183 | gtk_box_pack_start (cur_box, w, TRUE, TRUE, button_spacing); | |
1184 | if (++button_nr == left_buttons) | |
1185 | { | |
1186 | if (make_two_rows) | |
1187 | cur_box = GTK_BOX (whbox_down); | |
1188 | else | |
1189 | gtk_box_pack_start (cur_box, | |
1190 | gtk_label_new (""), | |
1191 | TRUE, TRUE, | |
1192 | button_spacing); | |
1193 | } | |
1194 | } | |
1195 | ||
1196 | if (utf8_label && utf8_label != item->value) | |
1197 | g_free (utf8_label); | |
1198 | } | |
1199 | ||
1200 | return wdialog; | |
1201 | } | |
1202 | ||
1203 | ||
f9d64bb3 JD |
1204 | \f |
1205 | /*********************************************************************** | |
1206 | File dialog functions | |
1207 | ***********************************************************************/ | |
90f2e16b JD |
1208 | /* Return non-zero if the old file selection dialog is being used. |
1209 | Return zero if not. */ | |
1210 | ||
1211 | int | |
1212 | xg_uses_old_file_dialog () | |
1213 | { | |
1214 | #ifdef HAVE_GTK_FILE_BOTH | |
1215 | extern int x_use_old_gtk_file_dialog; | |
1216 | return x_use_old_gtk_file_dialog; | |
1217 | #else /* ! HAVE_GTK_FILE_BOTH */ | |
1218 | ||
1219 | #ifdef HAVE_GTK_FILE_SELECTION_NEW | |
1220 | return 1; | |
1221 | #else | |
1222 | return 0; | |
1223 | #endif | |
1224 | ||
1225 | #endif /* ! HAVE_GTK_FILE_BOTH */ | |
1226 | } | |
1227 | ||
1228 | ||
457a8155 JD |
1229 | /* Function that is called when the file dialog pops down. |
1230 | W is the dialog widget, RESPONSE is the response code. | |
1231 | USER_DATA is what we passed in to g_signal_connect (pointer to int). */ | |
1232 | ||
1233 | static void | |
1234 | xg_file_response_cb (w, | |
1235 | response, | |
1236 | user_data) | |
1237 | GtkDialog *w; | |
1238 | gint response; | |
1239 | gpointer user_data; | |
1240 | { | |
1241 | int *ptr = (int *) user_data; | |
1242 | *ptr = response; | |
1243 | } | |
1244 | ||
1245 | ||
1246 | /* Destroy the dialog. This makes it pop down. */ | |
1247 | ||
1248 | static Lisp_Object | |
1249 | pop_down_file_dialog (arg) | |
1250 | Lisp_Object arg; | |
1251 | { | |
1252 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); | |
cd2531db | 1253 | BLOCK_INPUT; |
457a8155 | 1254 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); |
cd2531db | 1255 | UNBLOCK_INPUT; |
457a8155 JD |
1256 | return Qnil; |
1257 | } | |
1258 | ||
1259 | typedef char * (*xg_get_file_func) P_ ((GtkWidget *)); | |
f9d64bb3 JD |
1260 | |
1261 | #ifdef HAVE_GTK_FILE_CHOOSER_DIALOG_NEW | |
457a8155 JD |
1262 | |
1263 | /* Return the selected file for file chooser dialog W. | |
1264 | The returned string must be free:d. */ | |
1265 | ||
1266 | static char * | |
1267 | xg_get_file_name_from_chooser (w) | |
1268 | GtkWidget *w; | |
1269 | { | |
1270 | return gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (w)); | |
1271 | } | |
1272 | ||
4c9ca1a3 JD |
1273 | /* Callback called when the "Show hidden files" toggle is pressed. |
1274 | WIDGET is the toggle widget, DATA is the file chooser dialog. */ | |
1275 | ||
78c55a80 | 1276 | static void |
ee5204f6 | 1277 | xg_toggle_visibility_cb (widget, data) |
78c55a80 JD |
1278 | GtkWidget *widget; |
1279 | gpointer data; | |
1280 | { | |
1281 | GtkFileChooser *dialog = GTK_FILE_CHOOSER (data); | |
1282 | gboolean visible; | |
78c55a80 JD |
1283 | g_object_get (G_OBJECT (dialog), "show-hidden", &visible, NULL); |
1284 | g_object_set (G_OBJECT (dialog), "show-hidden", !visible, NULL); | |
4c9ca1a3 JD |
1285 | } |
1286 | ||
1287 | ||
1288 | /* Callback called when a property changes in a file chooser. | |
1289 | GOBJECT is the file chooser dialog, ARG1 describes the property. | |
1290 | USER_DATA is the toggle widget in the file chooser dialog. | |
1291 | We use this to update the "Show hidden files" toggle when the user | |
1292 | changes that property by right clicking in the file list. */ | |
1293 | ||
1294 | static void | |
1295 | xg_toggle_notify_cb (gobject, arg1, user_data) | |
1296 | GObject *gobject; | |
1297 | GParamSpec *arg1; | |
1298 | gpointer user_data; | |
1299 | { | |
1300 | extern int x_gtk_show_hidden_files; | |
1301 | ||
1302 | if (strcmp (arg1->name, "show-hidden") == 0) | |
1303 | { | |
1304 | GtkFileChooser *dialog = GTK_FILE_CHOOSER (gobject); | |
1305 | GtkWidget *wtoggle = GTK_WIDGET (user_data); | |
1306 | gboolean visible, toggle_on; | |
1307 | ||
1308 | g_object_get (G_OBJECT (gobject), "show-hidden", &visible, NULL); | |
1309 | toggle_on = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (wtoggle)); | |
1310 | ||
1311 | if (!!visible != !!toggle_on) | |
1312 | { | |
1313 | g_signal_handlers_block_by_func (G_OBJECT (wtoggle), | |
1314 | G_CALLBACK (xg_toggle_visibility_cb), | |
1315 | gobject); | |
1316 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (wtoggle), visible); | |
1317 | g_signal_handlers_unblock_by_func | |
1318 | (G_OBJECT (wtoggle), | |
1319 | G_CALLBACK (xg_toggle_visibility_cb), | |
1320 | gobject); | |
1321 | } | |
1322 | x_gtk_show_hidden_files = visible; | |
1323 | } | |
78c55a80 JD |
1324 | } |
1325 | ||
f9d64bb3 JD |
1326 | /* Read a file name from the user using a file chooser dialog. |
1327 | F is the current frame. | |
1328 | PROMPT is a prompt to show to the user. May not be NULL. | |
1329 | DEFAULT_FILENAME is a default selection to be displayed. May be NULL. | |
1330 | If MUSTMATCH_P is non-zero, the returned file name must be an existing | |
457a8155 JD |
1331 | file. *FUNC is set to a function that can be used to retrieve the |
1332 | selected file name from the returned widget. | |
f9d64bb3 | 1333 | |
457a8155 | 1334 | Returns the created widget. */ |
f9d64bb3 | 1335 | |
457a8155 JD |
1336 | static GtkWidget * |
1337 | xg_get_file_with_chooser (f, prompt, default_filename, | |
1338 | mustmatch_p, only_dir_p, func) | |
f9d64bb3 JD |
1339 | FRAME_PTR f; |
1340 | char *prompt; | |
1341 | char *default_filename; | |
1342 | int mustmatch_p, only_dir_p; | |
457a8155 | 1343 | xg_get_file_func *func; |
f9d64bb3 | 1344 | { |
78c55a80 JD |
1345 | char message[1024]; |
1346 | ||
1347 | GtkWidget *filewin, *wtoggle, *wbox, *wmessage; | |
f9d64bb3 | 1348 | GtkWindow *gwin = GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)); |
f9d64bb3 JD |
1349 | GtkFileChooserAction action = (mustmatch_p ? |
1350 | GTK_FILE_CHOOSER_ACTION_OPEN : | |
1351 | GTK_FILE_CHOOSER_ACTION_SAVE); | |
78c55a80 | 1352 | extern int x_gtk_show_hidden_files; |
f9d64bb3 JD |
1353 | |
1354 | if (only_dir_p) | |
1355 | action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER; | |
1356 | ||
1357 | filewin = gtk_file_chooser_dialog_new (prompt, gwin, action, | |
1358 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, | |
1359 | (mustmatch_p || only_dir_p ? | |
8cfd0f36 | 1360 | GTK_STOCK_OPEN : GTK_STOCK_OK), |
f9d64bb3 JD |
1361 | GTK_RESPONSE_OK, |
1362 | NULL); | |
ded997c1 | 1363 | gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (filewin), TRUE); |
f9d64bb3 | 1364 | |
78c55a80 JD |
1365 | wbox = gtk_vbox_new (FALSE, 0); |
1366 | gtk_widget_show (wbox); | |
1367 | wtoggle = gtk_check_button_new_with_label ("Show hidden files."); | |
1368 | ||
1369 | if (x_gtk_show_hidden_files) | |
1370 | { | |
1371 | g_object_set (G_OBJECT (filewin), "show-hidden", TRUE, NULL); | |
1372 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (wtoggle), TRUE); | |
1373 | } | |
1374 | gtk_widget_show (wtoggle); | |
1375 | g_signal_connect (G_OBJECT (wtoggle), "clicked", | |
4c9ca1a3 JD |
1376 | G_CALLBACK (xg_toggle_visibility_cb), filewin); |
1377 | g_signal_connect (G_OBJECT (filewin), "notify", | |
1378 | G_CALLBACK (xg_toggle_notify_cb), wtoggle); | |
78c55a80 | 1379 | |
82bc1fd6 JD |
1380 | message[0] = '\0'; |
1381 | if (action != GTK_FILE_CHOOSER_ACTION_SAVE) | |
1382 | strcat (message, "\nType C-l to display a file name text entry box.\n"); | |
ae6c1c19 JD |
1383 | strcat (message, "\nIf you don't like this file selector, use the " |
1384 | "corresponding\nkey binding or customize " | |
1385 | "use-file-dialog to turn it off."); | |
4f3097d8 | 1386 | |
78c55a80 JD |
1387 | wmessage = gtk_label_new (message); |
1388 | gtk_widget_show (wmessage); | |
1389 | gtk_box_pack_start (GTK_BOX (wbox), wtoggle, FALSE, FALSE, 0); | |
1390 | gtk_box_pack_start (GTK_BOX (wbox), wmessage, FALSE, FALSE, 0); | |
1391 | gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER (filewin), wbox); | |
1392 | ||
f9d64bb3 | 1393 | if (default_filename) |
a872928c JD |
1394 | { |
1395 | Lisp_Object file; | |
1396 | struct gcpro gcpro1; | |
1397 | GCPRO1 (file); | |
4f3097d8 | 1398 | char *utf8_filename; |
a872928c | 1399 | |
ded997c1 JD |
1400 | file = build_string (default_filename); |
1401 | ||
a872928c JD |
1402 | /* File chooser does not understand ~/... in the file name. It must be |
1403 | an absolute name starting with /. */ | |
1404 | if (default_filename[0] != '/') | |
ded997c1 | 1405 | file = Fexpand_file_name (file, Qnil); |
4f3097d8 JD |
1406 | |
1407 | utf8_filename = SSDATA (ENCODE_UTF_8 (file)); | |
1408 | if (! NILP (Ffile_directory_p (file))) | |
ded997c1 | 1409 | gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (filewin), |
4f3097d8 | 1410 | utf8_filename); |
ded997c1 | 1411 | else |
4f3097d8 | 1412 | { |
4f3097d8 JD |
1413 | gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (filewin), |
1414 | utf8_filename); | |
ae6c1c19 JD |
1415 | if (action == GTK_FILE_CHOOSER_ACTION_SAVE) |
1416 | { | |
1417 | char *cp = strrchr (utf8_filename, '/'); | |
1418 | if (cp) ++cp; | |
1419 | else cp = utf8_filename; | |
1420 | gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (filewin), cp); | |
1421 | } | |
4f3097d8 | 1422 | } |
a872928c JD |
1423 | |
1424 | UNGCPRO; | |
1425 | } | |
f9d64bb3 | 1426 | |
457a8155 JD |
1427 | *func = xg_get_file_name_from_chooser; |
1428 | return filewin; | |
f9d64bb3 JD |
1429 | } |
1430 | #endif /* HAVE_GTK_FILE_CHOOSER_DIALOG_NEW */ | |
1431 | ||
1432 | #ifdef HAVE_GTK_FILE_SELECTION_NEW | |
f392e843 | 1433 | |
457a8155 JD |
1434 | /* Return the selected file for file selector dialog W. |
1435 | The returned string must be free:d. */ | |
71bacd48 | 1436 | |
457a8155 JD |
1437 | static char * |
1438 | xg_get_file_name_from_selector (w) | |
f392e843 | 1439 | GtkWidget *w; |
f392e843 | 1440 | { |
457a8155 JD |
1441 | GtkFileSelection *filesel = GTK_FILE_SELECTION (w); |
1442 | return xstrdup ((char*) gtk_file_selection_get_filename (filesel)); | |
f392e843 JD |
1443 | } |
1444 | ||
457a8155 | 1445 | /* Create a file selection dialog. |
f392e843 JD |
1446 | F is the current frame. |
1447 | PROMPT is a prompt to show to the user. May not be NULL. | |
1448 | DEFAULT_FILENAME is a default selection to be displayed. May be NULL. | |
1449 | If MUSTMATCH_P is non-zero, the returned file name must be an existing | |
457a8155 JD |
1450 | file. *FUNC is set to a function that can be used to retrieve the |
1451 | selected file name from the returned widget. | |
f392e843 | 1452 | |
457a8155 | 1453 | Returns the created widget. */ |
71bacd48 | 1454 | |
457a8155 | 1455 | static GtkWidget * |
f9d64bb3 | 1456 | xg_get_file_with_selection (f, prompt, default_filename, |
457a8155 | 1457 | mustmatch_p, only_dir_p, func) |
f392e843 JD |
1458 | FRAME_PTR f; |
1459 | char *prompt; | |
1460 | char *default_filename; | |
f9d64bb3 | 1461 | int mustmatch_p, only_dir_p; |
457a8155 | 1462 | xg_get_file_func *func; |
f392e843 JD |
1463 | { |
1464 | GtkWidget *filewin; | |
1465 | GtkFileSelection *filesel; | |
177c0ea7 | 1466 | |
f392e843 JD |
1467 | filewin = gtk_file_selection_new (prompt); |
1468 | filesel = GTK_FILE_SELECTION (filewin); | |
1469 | ||
f392e843 JD |
1470 | if (default_filename) |
1471 | gtk_file_selection_set_filename (filesel, default_filename); | |
1472 | ||
1473 | if (mustmatch_p) | |
1474 | { | |
1475 | /* The selection_entry part of filesel is not documented. */ | |
1476 | gtk_widget_set_sensitive (filesel->selection_entry, FALSE); | |
1477 | gtk_file_selection_hide_fileop_buttons (filesel); | |
1478 | } | |
1479 | ||
457a8155 | 1480 | *func = xg_get_file_name_from_selector; |
177c0ea7 | 1481 | |
457a8155 | 1482 | return filewin; |
f392e843 | 1483 | } |
f9d64bb3 JD |
1484 | #endif /* HAVE_GTK_FILE_SELECTION_NEW */ |
1485 | ||
1486 | /* Read a file name from the user using a file dialog, either the old | |
1487 | file selection dialog, or the new file chooser dialog. Which to use | |
1488 | depends on what the GTK version used has, and what the value of | |
1489 | gtk-use-old-file-dialog. | |
1490 | F is the current frame. | |
1491 | PROMPT is a prompt to show to the user. May not be NULL. | |
1492 | DEFAULT_FILENAME is a default selection to be displayed. May be NULL. | |
1493 | If MUSTMATCH_P is non-zero, the returned file name must be an existing | |
1494 | file. | |
1495 | ||
1496 | Returns a file name or NULL if no file was selected. | |
1497 | The returned string must be freed by the caller. */ | |
1498 | ||
1499 | char * | |
1500 | xg_get_file_name (f, prompt, default_filename, mustmatch_p, only_dir_p) | |
1501 | FRAME_PTR f; | |
1502 | char *prompt; | |
1503 | char *default_filename; | |
1504 | int mustmatch_p, only_dir_p; | |
1505 | { | |
724cde0d | 1506 | GtkWidget *w = 0; |
457a8155 JD |
1507 | int count = SPECPDL_INDEX (); |
1508 | char *fn = 0; | |
1509 | int filesel_done = 0; | |
1510 | xg_get_file_func func; | |
1511 | ||
aa477689 JD |
1512 | #if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN) |
1513 | /* I really don't know why this is needed, but without this the GLIBC add on | |
1514 | library linuxthreads hangs when the Gnome file chooser backend creates | |
1515 | threads. */ | |
1516 | sigblock (sigmask (__SIGRTMIN)); | |
1517 | #endif /* HAVE_GTK_AND_PTHREAD */ | |
1518 | ||
f9d64bb3 | 1519 | #ifdef HAVE_GTK_FILE_BOTH |
255e4140 | 1520 | |
90f2e16b | 1521 | if (xg_uses_old_file_dialog ()) |
457a8155 JD |
1522 | w = xg_get_file_with_selection (f, prompt, default_filename, |
1523 | mustmatch_p, only_dir_p, &func); | |
1524 | else | |
1525 | w = xg_get_file_with_chooser (f, prompt, default_filename, | |
1526 | mustmatch_p, only_dir_p, &func); | |
f9d64bb3 JD |
1527 | |
1528 | #else /* not HAVE_GTK_FILE_BOTH */ | |
1529 | ||
724cde0d | 1530 | #ifdef HAVE_GTK_FILE_SELECTION_NEW |
457a8155 JD |
1531 | w = xg_get_file_with_selection (f, prompt, default_filename, |
1532 | mustmatch_p, only_dir_p, &func); | |
f9d64bb3 JD |
1533 | #endif |
1534 | #ifdef HAVE_GTK_FILE_CHOOSER_DIALOG_NEW | |
457a8155 JD |
1535 | w = xg_get_file_with_chooser (f, prompt, default_filename, |
1536 | mustmatch_p, only_dir_p, &func); | |
f9d64bb3 JD |
1537 | #endif |
1538 | ||
1539 | #endif /* HAVE_GTK_FILE_BOTH */ | |
457a8155 JD |
1540 | |
1541 | xg_set_screen (w, f); | |
1542 | gtk_widget_set_name (w, "emacs-filedialog"); | |
1543 | gtk_window_set_transient_for (GTK_WINDOW (w), | |
1544 | GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f))); | |
1545 | gtk_window_set_destroy_with_parent (GTK_WINDOW (w), TRUE); | |
1546 | gtk_window_set_modal (GTK_WINDOW (w), TRUE); | |
1547 | ||
1548 | g_signal_connect (G_OBJECT (w), | |
1549 | "response", | |
1550 | G_CALLBACK (xg_file_response_cb), | |
1551 | &filesel_done); | |
1552 | ||
1553 | /* Don't destroy the widget if closed by the window manager close button. */ | |
1554 | g_signal_connect (G_OBJECT (w), "delete-event", G_CALLBACK (gtk_true), NULL); | |
1555 | ||
1556 | gtk_widget_show (w); | |
1557 | ||
1558 | record_unwind_protect (pop_down_file_dialog, make_save_value (w, 0)); | |
1559 | while (! filesel_done) | |
1560 | { | |
1561 | x_menu_wait_for_event (0); | |
1562 | gtk_main_iteration (); | |
1563 | } | |
1564 | ||
aa477689 JD |
1565 | #if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN) |
1566 | sigunblock (sigmask (__SIGRTMIN)); | |
1567 | #endif | |
1568 | ||
457a8155 JD |
1569 | if (filesel_done == GTK_RESPONSE_OK) |
1570 | fn = (*func) (w); | |
1571 | ||
1572 | unbind_to (count, Qnil); | |
1573 | ||
1574 | return fn; | |
f9d64bb3 | 1575 | } |
f392e843 JD |
1576 | |
1577 | \f | |
1578 | /*********************************************************************** | |
1579 | Menu functions. | |
1580 | ***********************************************************************/ | |
1581 | ||
1582 | /* The name of menu items that can be used for citomization. Since GTK | |
1583 | RC files are very crude and primitive, we have to set this on all | |
1584 | menu item names so a user can easily cutomize menu items. */ | |
1585 | ||
1586 | #define MENU_ITEM_NAME "emacs-menuitem" | |
1587 | ||
1588 | ||
1589 | /* Linked list of all allocated struct xg_menu_cb_data. Used for marking | |
1590 | during GC. The next member points to the items. */ | |
1591 | static xg_list_node xg_menu_cb_list; | |
1592 | ||
1593 | /* Linked list of all allocated struct xg_menu_item_cb_data. Used for marking | |
1594 | during GC. The next member points to the items. */ | |
1595 | static xg_list_node xg_menu_item_cb_list; | |
1596 | ||
1597 | /* Allocate and initialize CL_DATA if NULL, otherwise increase ref_count. | |
1598 | F is the frame CL_DATA will be initialized for. | |
1599 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1600 | ||
1601 | The menu bar and all sub menus under the menu bar in a frame | |
1602 | share the same structure, hence the reference count. | |
177c0ea7 | 1603 | |
f392e843 JD |
1604 | Returns CL_DATA if CL_DATA is not NULL, or a pointer to a newly |
1605 | allocated xg_menu_cb_data if CL_DATA is NULL. */ | |
71bacd48 | 1606 | |
f392e843 JD |
1607 | static xg_menu_cb_data * |
1608 | make_cl_data (cl_data, f, highlight_cb) | |
1609 | xg_menu_cb_data *cl_data; | |
1610 | FRAME_PTR f; | |
1611 | GCallback highlight_cb; | |
1612 | { | |
1613 | if (! cl_data) | |
1614 | { | |
1615 | cl_data = (xg_menu_cb_data*) xmalloc (sizeof (*cl_data)); | |
1616 | cl_data->f = f; | |
1617 | cl_data->menu_bar_vector = f->menu_bar_vector; | |
1618 | cl_data->menu_bar_items_used = f->menu_bar_items_used; | |
1619 | cl_data->highlight_cb = highlight_cb; | |
1620 | cl_data->ref_count = 0; | |
1621 | ||
1622 | xg_list_insert (&xg_menu_cb_list, &cl_data->ptrs); | |
1623 | } | |
1624 | ||
1625 | cl_data->ref_count++; | |
1626 | ||
1627 | return cl_data; | |
1628 | } | |
1629 | ||
1630 | /* Update CL_DATA with values from frame F and with HIGHLIGHT_CB. | |
1631 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1632 | ||
1633 | When the menu bar is updated, menu items may have been added and/or | |
1634 | removed, so menu_bar_vector and menu_bar_items_used change. We must | |
1635 | then update CL_DATA since it is used to determine which menu | |
1636 | item that is invoked in the menu. | |
1637 | HIGHLIGHT_CB could change, there is no check that the same | |
1638 | function is given when modifying a menu bar as was given when | |
1639 | creating the menu bar. */ | |
71bacd48 | 1640 | |
f392e843 JD |
1641 | static void |
1642 | update_cl_data (cl_data, f, highlight_cb) | |
1643 | xg_menu_cb_data *cl_data; | |
1644 | FRAME_PTR f; | |
1645 | GCallback highlight_cb; | |
1646 | { | |
1647 | if (cl_data) | |
1648 | { | |
1649 | cl_data->f = f; | |
1650 | cl_data->menu_bar_vector = f->menu_bar_vector; | |
1651 | cl_data->menu_bar_items_used = f->menu_bar_items_used; | |
1652 | cl_data->highlight_cb = highlight_cb; | |
1653 | } | |
1654 | } | |
1655 | ||
1656 | /* Decrease reference count for CL_DATA. | |
1657 | If reference count is zero, free CL_DATA. */ | |
71bacd48 | 1658 | |
f392e843 JD |
1659 | static void |
1660 | unref_cl_data (cl_data) | |
1661 | xg_menu_cb_data *cl_data; | |
1662 | { | |
1663 | if (cl_data && cl_data->ref_count > 0) | |
1664 | { | |
1665 | cl_data->ref_count--; | |
1666 | if (cl_data->ref_count == 0) | |
1667 | { | |
1668 | xg_list_remove (&xg_menu_cb_list, &cl_data->ptrs); | |
1669 | xfree (cl_data); | |
1670 | } | |
1671 | } | |
1672 | } | |
1673 | ||
1674 | /* Function that marks all lisp data during GC. */ | |
71bacd48 | 1675 | |
f392e843 JD |
1676 | void |
1677 | xg_mark_data () | |
1678 | { | |
1679 | xg_list_node *iter; | |
1680 | ||
1681 | for (iter = xg_menu_cb_list.next; iter; iter = iter->next) | |
631f2082 | 1682 | mark_object (((xg_menu_cb_data *) iter)->menu_bar_vector); |
f392e843 JD |
1683 | |
1684 | for (iter = xg_menu_item_cb_list.next; iter; iter = iter->next) | |
1685 | { | |
1686 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data *) iter; | |
1687 | ||
1688 | if (! NILP (cb_data->help)) | |
631f2082 | 1689 | mark_object (cb_data->help); |
f392e843 JD |
1690 | } |
1691 | } | |
1692 | ||
1693 | ||
1694 | /* Callback called when a menu item is destroyed. Used to free data. | |
1695 | W is the widget that is being destroyed (not used). | |
1696 | CLIENT_DATA points to the xg_menu_item_cb_data associated with the W. */ | |
71bacd48 | 1697 | |
f392e843 JD |
1698 | static void |
1699 | menuitem_destroy_callback (w, client_data) | |
1700 | GtkWidget *w; | |
1701 | gpointer client_data; | |
1702 | { | |
1703 | if (client_data) | |
1704 | { | |
1705 | xg_menu_item_cb_data *data = (xg_menu_item_cb_data*) client_data; | |
1706 | xg_list_remove (&xg_menu_item_cb_list, &data->ptrs); | |
1707 | xfree (data); | |
1708 | } | |
1709 | } | |
1710 | ||
1711 | /* Callback called when the pointer enters/leaves a menu item. | |
1712 | W is the menu item. | |
1713 | EVENT is either an enter event or leave event. | |
1714 | CLIENT_DATA points to the xg_menu_item_cb_data associated with the W. | |
1715 | ||
1716 | Returns FALSE to tell GTK to keep processing this event. */ | |
71bacd48 | 1717 | |
f392e843 JD |
1718 | static gboolean |
1719 | menuitem_highlight_callback (w, event, client_data) | |
1720 | GtkWidget *w; | |
1721 | GdkEventCrossing *event; | |
1722 | gpointer client_data; | |
1723 | { | |
1724 | if (client_data) | |
1725 | { | |
1726 | xg_menu_item_cb_data *data = (xg_menu_item_cb_data*) client_data; | |
1727 | gpointer call_data = event->type == GDK_LEAVE_NOTIFY ? 0 : client_data; | |
177c0ea7 | 1728 | |
f392e843 JD |
1729 | if (! NILP (data->help) && data->cl_data->highlight_cb) |
1730 | { | |
1731 | GtkCallback func = (GtkCallback) data->cl_data->highlight_cb; | |
1732 | (*func) (w, call_data); | |
1733 | } | |
1734 | } | |
1735 | ||
1736 | return FALSE; | |
1737 | } | |
1738 | ||
1739 | /* Callback called when a menu is destroyed. Used to free data. | |
1740 | W is the widget that is being destroyed (not used). | |
1741 | CLIENT_DATA points to the xg_menu_cb_data associated with W. */ | |
71bacd48 | 1742 | |
f392e843 JD |
1743 | static void |
1744 | menu_destroy_callback (w, client_data) | |
1745 | GtkWidget *w; | |
1746 | gpointer client_data; | |
1747 | { | |
1748 | unref_cl_data ((xg_menu_cb_data*) client_data); | |
1749 | } | |
1750 | ||
1751 | /* Callback called when a menu does a grab or ungrab. That means the | |
1752 | menu has been activated or deactivated. | |
1753 | Used to start a timer so the small timeout the menus in GTK uses before | |
1754 | popping down a menu is seen by Emacs (see xg_process_timeouts above). | |
1755 | W is the widget that does the grab (not used). | |
1756 | UNGRAB_P is TRUE if this is an ungrab, FALSE if it is a grab. | |
1757 | CLIENT_DATA is NULL (not used). */ | |
71bacd48 | 1758 | |
f392e843 JD |
1759 | static void |
1760 | menu_grab_callback (GtkWidget *widget, | |
1761 | gboolean ungrab_p, | |
1762 | gpointer client_data) | |
1763 | { | |
1764 | /* Keep track of total number of grabs. */ | |
1765 | static int cnt; | |
1766 | ||
1767 | if (ungrab_p) cnt--; | |
1768 | else cnt++; | |
1769 | ||
1770 | if (cnt > 0 && ! xg_timer) xg_start_timer (); | |
1771 | else if (cnt == 0 && xg_timer) xg_stop_timer (); | |
1772 | } | |
1773 | ||
1774 | /* Make a GTK widget that contains both UTF8_LABEL and UTF8_KEY (both | |
1775 | must be non-NULL) and can be inserted into a menu item. | |
1776 | ||
1777 | Returns the GtkHBox. */ | |
71bacd48 | 1778 | |
f392e843 JD |
1779 | static GtkWidget * |
1780 | make_widget_for_menu_item (utf8_label, utf8_key) | |
1781 | char *utf8_label; | |
1782 | char *utf8_key; | |
1783 | { | |
1784 | GtkWidget *wlbl; | |
1785 | GtkWidget *wkey; | |
1786 | GtkWidget *wbox; | |
177c0ea7 | 1787 | |
f392e843 | 1788 | wbox = gtk_hbox_new (FALSE, 0); |
4b1b4443 | 1789 | wlbl = gtk_label_new (utf8_label); |
f392e843 JD |
1790 | wkey = gtk_label_new (utf8_key); |
1791 | ||
1792 | gtk_misc_set_alignment (GTK_MISC (wlbl), 0.0, 0.5); | |
1793 | gtk_misc_set_alignment (GTK_MISC (wkey), 0.0, 0.5); | |
177c0ea7 | 1794 | |
f392e843 JD |
1795 | gtk_box_pack_start (GTK_BOX (wbox), wlbl, TRUE, TRUE, 0); |
1796 | gtk_box_pack_start (GTK_BOX (wbox), wkey, FALSE, FALSE, 0); | |
1797 | ||
1798 | gtk_widget_set_name (wlbl, MENU_ITEM_NAME); | |
1799 | gtk_widget_set_name (wkey, MENU_ITEM_NAME); | |
7863d625 | 1800 | gtk_widget_set_name (wbox, MENU_ITEM_NAME); |
f392e843 JD |
1801 | |
1802 | return wbox; | |
1803 | } | |
1804 | ||
1805 | /* Make and return a menu item widget with the key to the right. | |
1806 | UTF8_LABEL is the text for the menu item (GTK uses UTF8 internally). | |
1807 | UTF8_KEY is the text representing the key binding. | |
1808 | ITEM is the widget_value describing the menu item. | |
177c0ea7 | 1809 | |
f392e843 JD |
1810 | GROUP is an in/out parameter. If the menu item to be created is not |
1811 | part of any radio menu group, *GROUP contains NULL on entry and exit. | |
1812 | If the menu item to be created is part of a radio menu group, on entry | |
1813 | *GROUP contains the group to use, or NULL if this is the first item | |
1814 | in the group. On exit, *GROUP contains the radio item group. | |
1815 | ||
1816 | Unfortunately, keys don't line up as nicely as in Motif, | |
1817 | but the MacOS X version doesn't either, so I guess that is OK. */ | |
71bacd48 | 1818 | |
f392e843 JD |
1819 | static GtkWidget * |
1820 | make_menu_item (utf8_label, utf8_key, item, group) | |
1821 | char *utf8_label; | |
1822 | char *utf8_key; | |
1823 | widget_value *item; | |
1824 | GSList **group; | |
1825 | { | |
1826 | GtkWidget *w; | |
1827 | GtkWidget *wtoadd = 0; | |
177c0ea7 | 1828 | |
adcb132c JD |
1829 | /* It has been observed that some menu items have a NULL name field. |
1830 | This will lead to this function being called with a NULL utf8_label. | |
1831 | GTK crashes on that so we set a blank label. Why there is a NULL | |
1832 | name remains to be investigated. */ | |
1833 | if (! utf8_label) utf8_label = " "; | |
1834 | ||
f392e843 JD |
1835 | if (utf8_key) |
1836 | wtoadd = make_widget_for_menu_item (utf8_label, utf8_key); | |
177c0ea7 | 1837 | |
f392e843 JD |
1838 | if (item->button_type == BUTTON_TYPE_TOGGLE) |
1839 | { | |
1840 | *group = NULL; | |
1841 | if (utf8_key) w = gtk_check_menu_item_new (); | |
4b1b4443 | 1842 | else w = gtk_check_menu_item_new_with_label (utf8_label); |
f392e843 JD |
1843 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), item->selected); |
1844 | } | |
1845 | else if (item->button_type == BUTTON_TYPE_RADIO) | |
1846 | { | |
1847 | if (utf8_key) w = gtk_radio_menu_item_new (*group); | |
4b1b4443 | 1848 | else w = gtk_radio_menu_item_new_with_label (*group, utf8_label); |
f392e843 JD |
1849 | *group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (w)); |
1850 | if (item->selected) | |
1851 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), TRUE); | |
1852 | } | |
1853 | else | |
1854 | { | |
1855 | *group = NULL; | |
1856 | if (utf8_key) w = gtk_menu_item_new (); | |
4b1b4443 | 1857 | else w = gtk_menu_item_new_with_label (utf8_label); |
f392e843 | 1858 | } |
177c0ea7 | 1859 | |
f392e843 JD |
1860 | if (wtoadd) gtk_container_add (GTK_CONTAINER (w), wtoadd); |
1861 | if (! item->enabled) gtk_widget_set_sensitive (w, FALSE); | |
1862 | ||
1863 | return w; | |
1864 | } | |
1865 | ||
5fd6f727 | 1866 | /* Return non-zero if LABEL specifies a separator (GTK only has one |
f392e843 | 1867 | separator type) */ |
71bacd48 | 1868 | |
f392e843 | 1869 | static int |
5fd6f727 JD |
1870 | xg_separator_p (char *label) |
1871 | { | |
1872 | if (! label) return 0; | |
1873 | else if (strlen (label) > 3 | |
1874 | && strncmp (label, "--", 2) == 0 | |
1875 | && label[2] != '-') | |
1876 | { | |
1877 | static char* separator_names[] = { | |
1878 | "space", | |
1879 | "no-line", | |
1880 | "single-line", | |
1881 | "double-line", | |
1882 | "single-dashed-line", | |
1883 | "double-dashed-line", | |
1884 | "shadow-etched-in", | |
1885 | "shadow-etched-out", | |
1886 | "shadow-etched-in-dash", | |
1887 | "shadow-etched-out-dash", | |
1888 | "shadow-double-etched-in", | |
1889 | "shadow-double-etched-out", | |
1890 | "shadow-double-etched-in-dash", | |
1891 | "shadow-double-etched-out-dash", | |
1892 | 0, | |
1893 | }; | |
1894 | ||
1895 | int i; | |
1896 | ||
1897 | label += 2; | |
1898 | for (i = 0; separator_names[i]; ++i) | |
1899 | if (strcmp (label, separator_names[i]) == 0) | |
1900 | return 1; | |
1901 | } | |
1902 | else | |
1903 | { | |
1904 | /* Old-style separator, maybe. It's a separator if it contains | |
1905 | only dashes. */ | |
1906 | while (*label == '-') | |
1907 | ++label; | |
1908 | if (*label == 0) return 1; | |
1909 | } | |
0a1d6de0 | 1910 | |
5fd6f727 | 1911 | return 0; |
f392e843 JD |
1912 | } |
1913 | ||
da18b5ac JD |
1914 | static int xg_detached_menus; |
1915 | ||
1916 | /* Returns non-zero if there are detached menus. */ | |
71bacd48 | 1917 | |
da18b5ac JD |
1918 | int |
1919 | xg_have_tear_offs () | |
1920 | { | |
1921 | return xg_detached_menus > 0; | |
1922 | } | |
f392e843 JD |
1923 | |
1924 | /* Callback invoked when a detached menu window is removed. Here we | |
da18b5ac | 1925 | decrease the xg_detached_menus count. |
f392e843 | 1926 | WIDGET is the top level window that is removed (the parent of the menu). |
da18b5ac | 1927 | CLIENT_DATA is not used. */ |
71bacd48 | 1928 | |
da18b5ac JD |
1929 | static void |
1930 | tearoff_remove (widget, client_data) | |
f392e843 | 1931 | GtkWidget *widget; |
f392e843 JD |
1932 | gpointer client_data; |
1933 | { | |
da18b5ac | 1934 | if (xg_detached_menus > 0) --xg_detached_menus; |
f392e843 JD |
1935 | } |
1936 | ||
da18b5ac JD |
1937 | /* Callback invoked when a menu is detached. It increases the |
1938 | xg_detached_menus count. | |
f392e843 | 1939 | WIDGET is the GtkTearoffMenuItem. |
177c0ea7 | 1940 | CLIENT_DATA is not used. */ |
71bacd48 | 1941 | |
f392e843 JD |
1942 | static void |
1943 | tearoff_activate (widget, client_data) | |
1944 | GtkWidget *widget; | |
1945 | gpointer client_data; | |
1946 | { | |
1947 | GtkWidget *menu = gtk_widget_get_parent (widget); | |
da18b5ac JD |
1948 | if (gtk_menu_get_tearoff_state (GTK_MENU (menu))) |
1949 | { | |
1950 | ++xg_detached_menus; | |
1951 | g_signal_connect (G_OBJECT (gtk_widget_get_toplevel (widget)), | |
1952 | "destroy", | |
1953 | G_CALLBACK (tearoff_remove), 0); | |
1954 | } | |
f392e843 JD |
1955 | } |
1956 | ||
f392e843 | 1957 | |
f392e843 JD |
1958 | /* Create a menu item widget, and connect the callbacks. |
1959 | ITEM decribes the menu item. | |
1960 | F is the frame the created menu belongs to. | |
1961 | SELECT_CB is the callback to use when a menu item is selected. | |
1962 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
1963 | CL_DATA points to the callback data to be used for this menu. | |
1964 | GROUP is an in/out parameter. If the menu item to be created is not | |
1965 | part of any radio menu group, *GROUP contains NULL on entry and exit. | |
1966 | If the menu item to be created is part of a radio menu group, on entry | |
1967 | *GROUP contains the group to use, or NULL if this is the first item | |
1968 | in the group. On exit, *GROUP contains the radio item group. | |
1969 | ||
1970 | Returns the created GtkWidget. */ | |
71bacd48 | 1971 | |
f392e843 JD |
1972 | static GtkWidget * |
1973 | xg_create_one_menuitem (item, f, select_cb, highlight_cb, cl_data, group) | |
1974 | widget_value *item; | |
1975 | FRAME_PTR f; | |
1976 | GCallback select_cb; | |
1977 | GCallback highlight_cb; | |
1978 | xg_menu_cb_data *cl_data; | |
1979 | GSList **group; | |
1980 | { | |
1981 | char *utf8_label; | |
1982 | char *utf8_key; | |
1983 | GtkWidget *w; | |
1984 | xg_menu_item_cb_data *cb_data; | |
1985 | ||
1986 | utf8_label = get_utf8_string (item->name); | |
1987 | utf8_key = get_utf8_string (item->key); | |
1988 | ||
1989 | w = make_menu_item (utf8_label, utf8_key, item, group); | |
1990 | ||
1991 | if (utf8_label && utf8_label != item->name) g_free (utf8_label); | |
1992 | if (utf8_key && utf8_key != item->key) g_free (utf8_key); | |
1993 | ||
1994 | cb_data = xmalloc (sizeof (xg_menu_item_cb_data)); | |
1995 | ||
1996 | xg_list_insert (&xg_menu_item_cb_list, &cb_data->ptrs); | |
1997 | ||
1998 | cb_data->unhighlight_id = cb_data->highlight_id = cb_data->select_id = 0; | |
1999 | cb_data->help = item->help; | |
2000 | cb_data->cl_data = cl_data; | |
2001 | cb_data->call_data = item->call_data; | |
177c0ea7 | 2002 | |
f392e843 JD |
2003 | g_signal_connect (G_OBJECT (w), |
2004 | "destroy", | |
2005 | G_CALLBACK (menuitem_destroy_callback), | |
2006 | cb_data); | |
2007 | ||
2008 | /* Put cb_data in widget, so we can get at it when modifying menubar */ | |
2009 | g_object_set_data (G_OBJECT (w), XG_ITEM_DATA, cb_data); | |
2010 | ||
2011 | /* final item, not a submenu */ | |
2012 | if (item->call_data && ! item->contents) | |
2013 | { | |
2014 | if (select_cb) | |
2015 | cb_data->select_id | |
2016 | = g_signal_connect (G_OBJECT (w), "activate", select_cb, cb_data); | |
2017 | } | |
2018 | ||
2019 | if (! NILP (item->help) && highlight_cb) | |
2020 | { | |
2021 | /* We use enter/leave notify instead of select/deselect because | |
2022 | select/deselect doesn't go well with detached menus. */ | |
2023 | cb_data->highlight_id | |
2024 | = g_signal_connect (G_OBJECT (w), | |
2025 | "enter-notify-event", | |
2026 | G_CALLBACK (menuitem_highlight_callback), | |
2027 | cb_data); | |
2028 | cb_data->unhighlight_id | |
2029 | = g_signal_connect (G_OBJECT (w), | |
2030 | "leave-notify-event", | |
2031 | G_CALLBACK (menuitem_highlight_callback), | |
2032 | cb_data); | |
2033 | } | |
2034 | ||
2035 | return w; | |
2036 | } | |
2037 | ||
f84173d3 | 2038 | /* Callback called when keyboard traversal (started by menu-bar-open) ends. |
31c5f81f JD |
2039 | WMENU is the menu for which traversal has been done. DATA points to the |
2040 | frame for WMENU. We must release grabs, some bad interaction between GTK | |
2041 | and Emacs makes the menus keep the grabs. */ | |
2042 | ||
2043 | static void | |
2044 | menu_nav_ended (wmenu, data) | |
2045 | GtkMenuShell *wmenu; | |
2046 | gpointer data; | |
2047 | { | |
2048 | FRAME_PTR f = (FRAME_PTR) data; | |
31c5f81f | 2049 | |
8b2b00f5 JD |
2050 | if (FRAME_X_OUTPUT (f)->menubar_widget) |
2051 | { | |
31c5f81f | 2052 | GtkMenuShell *w = GTK_MENU_SHELL (FRAME_X_OUTPUT (f)->menubar_widget); |
8b2b00f5 JD |
2053 | Display *dpy = FRAME_X_DISPLAY (f); |
2054 | ||
2055 | BLOCK_INPUT; | |
31c5f81f JD |
2056 | gtk_menu_shell_deactivate (w); |
2057 | gtk_menu_shell_deselect (w); | |
2058 | ||
8b2b00f5 JD |
2059 | XUngrabKeyboard (dpy, CurrentTime); |
2060 | XUngrabPointer (dpy, CurrentTime); | |
2061 | UNBLOCK_INPUT; | |
2062 | } | |
31c5f81f JD |
2063 | } |
2064 | ||
2065 | ||
9d6194d6 AS |
2066 | static GtkWidget *create_menus P_ ((widget_value *, FRAME_PTR, GCallback, |
2067 | GCallback, GCallback, int, int, int, | |
2068 | GtkWidget *, xg_menu_cb_data *, char *)); | |
2069 | ||
f392e843 JD |
2070 | /* Create a full menu tree specified by DATA. |
2071 | F is the frame the created menu belongs to. | |
2072 | SELECT_CB is the callback to use when a menu item is selected. | |
2073 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. | |
2074 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
2075 | POP_UP_P is non-zero if we shall create a popup menu. | |
2076 | MENU_BAR_P is non-zero if we shall create a menu bar. | |
2077 | ADD_TEAROFF_P is non-zero if we shall add a teroff menu item. Ignored | |
2078 | if MENU_BAR_P is non-zero. | |
2079 | TOPMENU is the topmost GtkWidget that others shall be placed under. | |
2080 | It may be NULL, in that case we create the appropriate widget | |
2081 | (menu bar or menu item depending on POP_UP_P and MENU_BAR_P) | |
2082 | CL_DATA is the callback data we shall use for this menu, or NULL | |
2083 | if we haven't set the first callback yet. | |
2084 | NAME is the name to give to the top level menu if this function | |
2085 | creates it. May be NULL to not set any name. | |
2086 | ||
2087 | Returns the top level GtkWidget. This is TOPLEVEL if TOPLEVEL is | |
2088 | not NULL. | |
2089 | ||
2090 | This function calls itself to create submenus. */ | |
2091 | ||
2092 | static GtkWidget * | |
2093 | create_menus (data, f, select_cb, deactivate_cb, highlight_cb, | |
2094 | pop_up_p, menu_bar_p, add_tearoff_p, topmenu, cl_data, name) | |
2095 | widget_value *data; | |
2096 | FRAME_PTR f; | |
2097 | GCallback select_cb; | |
2098 | GCallback deactivate_cb; | |
2099 | GCallback highlight_cb; | |
2100 | int pop_up_p; | |
2101 | int menu_bar_p; | |
2102 | int add_tearoff_p; | |
2103 | GtkWidget *topmenu; | |
2104 | xg_menu_cb_data *cl_data; | |
2105 | char *name; | |
2106 | { | |
2107 | widget_value *item; | |
2108 | GtkWidget *wmenu = topmenu; | |
2109 | GSList *group = NULL; | |
2110 | ||
2111 | if (! topmenu) | |
2112 | { | |
810f2256 JD |
2113 | if (! menu_bar_p) |
2114 | { | |
2115 | wmenu = gtk_menu_new (); | |
2116 | xg_set_screen (wmenu, f); | |
2117 | } | |
f392e843 JD |
2118 | else wmenu = gtk_menu_bar_new (); |
2119 | ||
31c5f81f JD |
2120 | /* Fix up grabs after keyboard traversal ends. */ |
2121 | g_signal_connect (G_OBJECT (wmenu), | |
2122 | "selection-done", | |
2123 | G_CALLBACK (menu_nav_ended), | |
2124 | f); | |
2125 | ||
f392e843 JD |
2126 | /* Put cl_data on the top menu for easier access. */ |
2127 | cl_data = make_cl_data (cl_data, f, highlight_cb); | |
2128 | g_object_set_data (G_OBJECT (wmenu), XG_FRAME_DATA, (gpointer)cl_data); | |
2129 | g_signal_connect (G_OBJECT (wmenu), "destroy", | |
2130 | G_CALLBACK (menu_destroy_callback), cl_data); | |
177c0ea7 | 2131 | |
f392e843 JD |
2132 | if (name) |
2133 | gtk_widget_set_name (wmenu, name); | |
2134 | ||
2135 | if (deactivate_cb) | |
2136 | g_signal_connect (G_OBJECT (wmenu), | |
c8934d9d | 2137 | "selection-done", deactivate_cb, 0); |
f392e843 JD |
2138 | |
2139 | g_signal_connect (G_OBJECT (wmenu), | |
2140 | "grab-notify", G_CALLBACK (menu_grab_callback), 0); | |
2141 | } | |
177c0ea7 | 2142 | |
f392e843 JD |
2143 | if (! menu_bar_p && add_tearoff_p) |
2144 | { | |
2145 | GtkWidget *tearoff = gtk_tearoff_menu_item_new (); | |
2146 | gtk_menu_shell_append (GTK_MENU_SHELL (wmenu), tearoff); | |
2147 | ||
2148 | g_signal_connect (G_OBJECT (tearoff), "activate", | |
2149 | G_CALLBACK (tearoff_activate), 0); | |
2150 | } | |
2151 | ||
2152 | for (item = data; item; item = item->next) | |
2153 | { | |
2154 | GtkWidget *w; | |
177c0ea7 | 2155 | |
f392e843 JD |
2156 | if (pop_up_p && !item->contents && !item->call_data |
2157 | && !xg_separator_p (item->name)) | |
2158 | { | |
2159 | char *utf8_label; | |
2160 | /* A title for a popup. We do the same as GTK does when | |
2161 | creating titles, but it does not look good. */ | |
2162 | group = NULL; | |
2163 | utf8_label = get_utf8_string (item->name); | |
2164 | ||
2165 | gtk_menu_set_title (GTK_MENU (wmenu), utf8_label); | |
4b1b4443 | 2166 | w = gtk_menu_item_new_with_label (utf8_label); |
f392e843 JD |
2167 | gtk_widget_set_sensitive (w, FALSE); |
2168 | if (utf8_label && utf8_label != item->name) g_free (utf8_label); | |
2169 | } | |
2170 | else if (xg_separator_p (item->name)) | |
2171 | { | |
2172 | group = NULL; | |
2173 | /* GTK only have one separator type. */ | |
2174 | w = gtk_separator_menu_item_new (); | |
2175 | } | |
2176 | else | |
2177 | { | |
2178 | w = xg_create_one_menuitem (item, | |
2179 | f, | |
2180 | item->contents ? 0 : select_cb, | |
2181 | highlight_cb, | |
2182 | cl_data, | |
2183 | &group); | |
2184 | ||
2185 | if (item->contents) | |
2186 | { | |
2187 | GtkWidget *submenu = create_menus (item->contents, | |
2188 | f, | |
2189 | select_cb, | |
2190 | deactivate_cb, | |
2191 | highlight_cb, | |
2192 | 0, | |
2193 | 0, | |
da18b5ac | 2194 | add_tearoff_p, |
f392e843 JD |
2195 | 0, |
2196 | cl_data, | |
2197 | 0); | |
2198 | gtk_menu_item_set_submenu (GTK_MENU_ITEM (w), submenu); | |
2199 | } | |
f392e843 JD |
2200 | } |
2201 | ||
2202 | gtk_menu_shell_append (GTK_MENU_SHELL (wmenu), w); | |
2203 | gtk_widget_set_name (w, MENU_ITEM_NAME); | |
2204 | } | |
2205 | ||
2206 | return wmenu; | |
2207 | } | |
2208 | ||
2209 | /* Create a menubar, popup menu or dialog, depending on the TYPE argument. | |
2210 | TYPE can be "menubar", "popup" for popup menu, or "dialog" for a dialog | |
2211 | with some text and buttons. | |
2212 | F is the frame the created item belongs to. | |
2213 | NAME is the name to use for the top widget. | |
2214 | VAL is a widget_value structure describing items to be created. | |
2215 | SELECT_CB is the callback to use when a menu item is selected or | |
2216 | a dialog button is pressed. | |
2217 | DEACTIVATE_CB is the callback to use when an item is deactivated. | |
2218 | For a menu, when a sub menu is not shown anymore, for a dialog it is | |
2219 | called when the dialog is popped down. | |
2220 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
2221 | ||
2222 | Returns the widget created. */ | |
71bacd48 | 2223 | |
f392e843 JD |
2224 | GtkWidget * |
2225 | xg_create_widget (type, name, f, val, | |
2226 | select_cb, deactivate_cb, highlight_cb) | |
2227 | char *type; | |
2228 | char *name; | |
2229 | FRAME_PTR f; | |
2230 | widget_value *val; | |
2231 | GCallback select_cb; | |
2232 | GCallback deactivate_cb; | |
2233 | GCallback highlight_cb; | |
2234 | { | |
2235 | GtkWidget *w = 0; | |
da18b5ac JD |
2236 | int menu_bar_p = strcmp (type, "menubar") == 0; |
2237 | int pop_up_p = strcmp (type, "popup") == 0; | |
2238 | ||
f392e843 JD |
2239 | if (strcmp (type, "dialog") == 0) |
2240 | { | |
2241 | w = create_dialog (val, select_cb, deactivate_cb); | |
810f2256 | 2242 | xg_set_screen (w, f); |
f392e843 JD |
2243 | gtk_window_set_transient_for (GTK_WINDOW (w), |
2244 | GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f))); | |
2245 | gtk_window_set_destroy_with_parent (GTK_WINDOW (w), TRUE); | |
810f2256 | 2246 | gtk_widget_set_name (w, "emacs-dialog"); |
457a8155 | 2247 | gtk_window_set_modal (GTK_WINDOW (w), TRUE); |
f392e843 | 2248 | } |
da18b5ac | 2249 | else if (menu_bar_p || pop_up_p) |
f392e843 JD |
2250 | { |
2251 | w = create_menus (val->contents, | |
2252 | f, | |
2253 | select_cb, | |
2254 | deactivate_cb, | |
2255 | highlight_cb, | |
da18b5ac JD |
2256 | pop_up_p, |
2257 | menu_bar_p, | |
2258 | menu_bar_p, | |
f392e843 JD |
2259 | 0, |
2260 | 0, | |
2261 | name); | |
2262 | ||
2263 | /* Set the cursor to an arrow for popup menus when they are mapped. | |
2264 | This is done by default for menu bar menus. */ | |
da18b5ac | 2265 | if (pop_up_p) |
f392e843 JD |
2266 | { |
2267 | /* Must realize so the GdkWindow inside the widget is created. */ | |
2268 | gtk_widget_realize (w); | |
810f2256 | 2269 | xg_set_cursor (w, FRAME_X_DISPLAY_INFO (f)->xg_cursor); |
f392e843 JD |
2270 | } |
2271 | } | |
2272 | else | |
2273 | { | |
2274 | fprintf (stderr, "bad type in xg_create_widget: %s, doing nothing\n", | |
2275 | type); | |
2276 | } | |
2277 | ||
2278 | return w; | |
2279 | } | |
2280 | ||
0a1d6de0 | 2281 | /* Return the label for menu item WITEM. */ |
71bacd48 | 2282 | |
f392e843 JD |
2283 | static const char * |
2284 | xg_get_menu_item_label (witem) | |
2285 | GtkMenuItem *witem; | |
2286 | { | |
2287 | GtkLabel *wlabel = GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem))); | |
2288 | return gtk_label_get_label (wlabel); | |
2289 | } | |
2290 | ||
0a1d6de0 | 2291 | /* Return non-zero if the menu item WITEM has the text LABEL. */ |
71bacd48 | 2292 | |
f392e843 JD |
2293 | static int |
2294 | xg_item_label_same_p (witem, label) | |
2295 | GtkMenuItem *witem; | |
2296 | char *label; | |
2297 | { | |
0a1d6de0 | 2298 | int is_same = 0; |
f392e843 | 2299 | char *utf8_label = get_utf8_string (label); |
0a1d6de0 JD |
2300 | const char *old_label = witem ? xg_get_menu_item_label (witem) : 0; |
2301 | ||
2302 | if (! old_label && ! utf8_label) | |
2303 | is_same = 1; | |
2304 | else if (old_label && utf8_label) | |
2305 | is_same = strcmp (utf8_label, old_label) == 0; | |
2306 | ||
2307 | if (utf8_label && utf8_label != label) g_free (utf8_label); | |
f392e843 JD |
2308 | |
2309 | return is_same; | |
2310 | } | |
2311 | ||
71bacd48 JD |
2312 | /* Destroy widgets in LIST. */ |
2313 | ||
f392e843 | 2314 | static void |
71bacd48 | 2315 | xg_destroy_widgets (list) |
f392e843 JD |
2316 | GList *list; |
2317 | { | |
f392e843 JD |
2318 | GList *iter; |
2319 | ||
49853a4d | 2320 | for (iter = list; iter; iter = g_list_next (iter)) |
f392e843 JD |
2321 | { |
2322 | GtkWidget *w = GTK_WIDGET (iter->data); | |
2323 | ||
71bacd48 | 2324 | /* Destroying the widget will remove it from the container it is in. */ |
f392e843 JD |
2325 | gtk_widget_destroy (w); |
2326 | } | |
f392e843 JD |
2327 | } |
2328 | ||
2329 | /* Update the top level names in MENUBAR (i.e. not submenus). | |
2330 | F is the frame the menu bar belongs to. | |
49853a4d JD |
2331 | *LIST is a list with the current menu bar names (menu item widgets). |
2332 | ITER is the item within *LIST that shall be updated. | |
2333 | POS is the numerical position, starting at 0, of ITER in *LIST. | |
f392e843 JD |
2334 | VAL describes what the menu bar shall look like after the update. |
2335 | SELECT_CB is the callback to use when a menu item is selected. | |
2336 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
49853a4d | 2337 | CL_DATA points to the callback data to be used for this menu bar. |
f392e843 JD |
2338 | |
2339 | This function calls itself to walk through the menu bar names. */ | |
71bacd48 | 2340 | |
f392e843 | 2341 | static void |
49853a4d JD |
2342 | xg_update_menubar (menubar, f, list, iter, pos, val, |
2343 | select_cb, highlight_cb, cl_data) | |
f392e843 JD |
2344 | GtkWidget *menubar; |
2345 | FRAME_PTR f; | |
49853a4d JD |
2346 | GList **list; |
2347 | GList *iter; | |
2348 | int pos; | |
f392e843 JD |
2349 | widget_value *val; |
2350 | GCallback select_cb; | |
2351 | GCallback highlight_cb; | |
2352 | xg_menu_cb_data *cl_data; | |
2353 | { | |
49853a4d | 2354 | if (! iter && ! val) |
f392e843 | 2355 | return; |
49853a4d | 2356 | else if (iter && ! val) |
f392e843 | 2357 | { |
49853a4d | 2358 | /* Item(s) have been removed. Remove all remaining items. */ |
71bacd48 | 2359 | xg_destroy_widgets (iter); |
f392e843 JD |
2360 | |
2361 | /* All updated. */ | |
2362 | val = 0; | |
49853a4d | 2363 | iter = 0; |
f392e843 | 2364 | } |
49853a4d | 2365 | else if (! iter && val) |
f392e843 JD |
2366 | { |
2367 | /* Item(s) added. Add all new items in one call. */ | |
2368 | create_menus (val, f, select_cb, 0, highlight_cb, | |
2369 | 0, 1, 0, menubar, cl_data, 0); | |
2370 | ||
2371 | /* All updated. */ | |
2372 | val = 0; | |
49853a4d | 2373 | iter = 0; |
f392e843 | 2374 | } |
49853a4d JD |
2375 | /* Below this neither iter or val is NULL */ |
2376 | else if (xg_item_label_same_p (GTK_MENU_ITEM (iter->data), val->name)) | |
f392e843 JD |
2377 | { |
2378 | /* This item is still the same, check next item. */ | |
2379 | val = val->next; | |
49853a4d JD |
2380 | iter = g_list_next (iter); |
2381 | ++pos; | |
f392e843 JD |
2382 | } |
2383 | else /* This item is changed. */ | |
2384 | { | |
49853a4d | 2385 | GtkMenuItem *witem = GTK_MENU_ITEM (iter->data); |
f392e843 | 2386 | GtkMenuItem *witem2 = 0; |
f392e843 | 2387 | int val_in_menubar = 0; |
49853a4d JD |
2388 | int iter_in_new_menubar = 0; |
2389 | GList *iter2; | |
f392e843 JD |
2390 | widget_value *cur; |
2391 | ||
f392e843 | 2392 | /* See if the changed entry (val) is present later in the menu bar */ |
49853a4d JD |
2393 | for (iter2 = iter; |
2394 | iter2 && ! val_in_menubar; | |
2395 | iter2 = g_list_next (iter2)) | |
f392e843 | 2396 | { |
49853a4d | 2397 | witem2 = GTK_MENU_ITEM (iter2->data); |
f392e843 JD |
2398 | val_in_menubar = xg_item_label_same_p (witem2, val->name); |
2399 | } | |
2400 | ||
49853a4d | 2401 | /* See if the current entry (iter) is present later in the |
f392e843 | 2402 | specification for the new menu bar. */ |
49853a4d JD |
2403 | for (cur = val; cur && ! iter_in_new_menubar; cur = cur->next) |
2404 | iter_in_new_menubar = xg_item_label_same_p (witem, cur->name); | |
f392e843 | 2405 | |
49853a4d | 2406 | if (val_in_menubar && ! iter_in_new_menubar) |
f392e843 | 2407 | { |
49853a4d JD |
2408 | int nr = pos; |
2409 | ||
f392e843 JD |
2410 | /* This corresponds to: |
2411 | Current: A B C | |
2412 | New: A C | |
2413 | Remove B. */ | |
177c0ea7 | 2414 | |
f392e843 JD |
2415 | gtk_widget_ref (GTK_WIDGET (witem)); |
2416 | gtk_container_remove (GTK_CONTAINER (menubar), GTK_WIDGET (witem)); | |
2417 | gtk_widget_destroy (GTK_WIDGET (witem)); | |
2418 | ||
2419 | /* Must get new list since the old changed. */ | |
49853a4d JD |
2420 | g_list_free (*list); |
2421 | *list = iter = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
2422 | while (nr-- > 0) iter = g_list_next (iter); | |
f392e843 | 2423 | } |
49853a4d | 2424 | else if (! val_in_menubar && ! iter_in_new_menubar) |
f392e843 JD |
2425 | { |
2426 | /* This corresponds to: | |
2427 | Current: A B C | |
2428 | New: A X C | |
2429 | Rename B to X. This might seem to be a strange thing to do, | |
2430 | since if there is a menu under B it will be totally wrong for X. | |
2431 | But consider editing a C file. Then there is a C-mode menu | |
2432 | (corresponds to B above). | |
2433 | If then doing C-x C-f the minibuf menu (X above) replaces the | |
2434 | C-mode menu. When returning from the minibuffer, we get | |
2435 | back the C-mode menu. Thus we do: | |
2436 | Rename B to X (C-mode to minibuf menu) | |
2437 | Rename X to B (minibuf to C-mode menu). | |
2438 | If the X menu hasn't been invoked, the menu under B | |
2439 | is up to date when leaving the minibuffer. */ | |
2440 | GtkLabel *wlabel = GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem))); | |
2441 | char *utf8_label = get_utf8_string (val->name); | |
da18b5ac | 2442 | GtkWidget *submenu = gtk_menu_item_get_submenu (witem); |
177c0ea7 | 2443 | |
4b1b4443 | 2444 | gtk_label_set_text (wlabel, utf8_label); |
f392e843 | 2445 | |
da18b5ac JD |
2446 | /* If this item has a submenu that has been detached, change |
2447 | the title in the WM decorations also. */ | |
2448 | if (submenu && gtk_menu_get_tearoff_state (GTK_MENU (submenu))) | |
2449 | /* Set the title of the detached window. */ | |
2450 | gtk_menu_set_title (GTK_MENU (submenu), utf8_label); | |
2451 | ||
49853a4d | 2452 | iter = g_list_next (iter); |
f392e843 | 2453 | val = val->next; |
49853a4d | 2454 | ++pos; |
f392e843 | 2455 | } |
49853a4d | 2456 | else if (! val_in_menubar && iter_in_new_menubar) |
f392e843 JD |
2457 | { |
2458 | /* This corresponds to: | |
2459 | Current: A B C | |
2460 | New: A X B C | |
2461 | Insert X. */ | |
2462 | ||
49853a4d | 2463 | int nr = pos; |
f392e843 JD |
2464 | GList *group = 0; |
2465 | GtkWidget *w = xg_create_one_menuitem (val, | |
2466 | f, | |
2467 | select_cb, | |
2468 | highlight_cb, | |
2469 | cl_data, | |
2470 | &group); | |
2471 | ||
2472 | gtk_widget_set_name (w, MENU_ITEM_NAME); | |
2473 | gtk_menu_shell_insert (GTK_MENU_SHELL (menubar), w, pos); | |
2474 | ||
49853a4d JD |
2475 | g_list_free (*list); |
2476 | *list = iter = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
2477 | while (nr-- > 0) iter = g_list_next (iter); | |
2478 | iter = g_list_next (iter); | |
f392e843 | 2479 | val = val->next; |
49853a4d | 2480 | ++pos; |
f392e843 | 2481 | } |
49853a4d | 2482 | else /* if (val_in_menubar && iter_in_new_menubar) */ |
f392e843 | 2483 | { |
49853a4d | 2484 | int nr = pos; |
f392e843 JD |
2485 | /* This corresponds to: |
2486 | Current: A B C | |
2487 | New: A C B | |
2488 | Move C before B */ | |
2489 | ||
2490 | gtk_widget_ref (GTK_WIDGET (witem2)); | |
2491 | gtk_container_remove (GTK_CONTAINER (menubar), GTK_WIDGET (witem2)); | |
2492 | gtk_menu_shell_insert (GTK_MENU_SHELL (menubar), | |
2493 | GTK_WIDGET (witem2), pos); | |
2494 | gtk_widget_unref (GTK_WIDGET (witem2)); | |
2495 | ||
49853a4d JD |
2496 | g_list_free (*list); |
2497 | *list = iter = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
2498 | while (nr-- > 0) iter = g_list_next (iter); | |
f392e843 | 2499 | val = val->next; |
49853a4d | 2500 | ++pos; |
f392e843 | 2501 | } |
f392e843 JD |
2502 | } |
2503 | ||
2504 | /* Update the rest of the menu bar. */ | |
49853a4d JD |
2505 | xg_update_menubar (menubar, f, list, iter, pos, val, |
2506 | select_cb, highlight_cb, cl_data); | |
f392e843 JD |
2507 | } |
2508 | ||
2509 | /* Update the menu item W so it corresponds to VAL. | |
2510 | SELECT_CB is the callback to use when a menu item is selected. | |
2511 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
2512 | CL_DATA is the data to set in the widget for menu invokation. */ | |
71bacd48 | 2513 | |
f392e843 JD |
2514 | static void |
2515 | xg_update_menu_item (val, w, select_cb, highlight_cb, cl_data) | |
2516 | widget_value *val; | |
2517 | GtkWidget *w; | |
2518 | GCallback select_cb; | |
2519 | GCallback highlight_cb; | |
2520 | xg_menu_cb_data *cl_data; | |
2521 | { | |
2522 | GtkWidget *wchild; | |
2523 | GtkLabel *wlbl = 0; | |
2524 | GtkLabel *wkey = 0; | |
2525 | char *utf8_label; | |
2526 | char *utf8_key; | |
0a1d6de0 JD |
2527 | const char *old_label = 0; |
2528 | const char *old_key = 0; | |
f392e843 | 2529 | xg_menu_item_cb_data *cb_data; |
177c0ea7 JB |
2530 | |
2531 | wchild = gtk_bin_get_child (GTK_BIN (w)); | |
f392e843 JD |
2532 | utf8_label = get_utf8_string (val->name); |
2533 | utf8_key = get_utf8_string (val->key); | |
2534 | ||
2535 | /* See if W is a menu item with a key. See make_menu_item above. */ | |
2536 | if (GTK_IS_HBOX (wchild)) | |
2537 | { | |
2538 | GList *list = gtk_container_get_children (GTK_CONTAINER (wchild)); | |
2539 | ||
2540 | wlbl = GTK_LABEL (list->data); | |
2541 | wkey = GTK_LABEL (list->next->data); | |
49853a4d JD |
2542 | g_list_free (list); |
2543 | ||
f392e843 JD |
2544 | if (! utf8_key) |
2545 | { | |
2546 | /* Remove the key and keep just the label. */ | |
2547 | gtk_widget_ref (GTK_WIDGET (wlbl)); | |
2548 | gtk_container_remove (GTK_CONTAINER (w), wchild); | |
2549 | gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (wlbl)); | |
2550 | wkey = 0; | |
2551 | } | |
49853a4d | 2552 | |
f392e843 JD |
2553 | } |
2554 | else /* Just a label. */ | |
2555 | { | |
2556 | wlbl = GTK_LABEL (wchild); | |
2557 | ||
2558 | /* Check if there is now a key. */ | |
2559 | if (utf8_key) | |
2560 | { | |
2561 | GtkWidget *wtoadd = make_widget_for_menu_item (utf8_label, utf8_key); | |
2562 | GList *list = gtk_container_get_children (GTK_CONTAINER (wtoadd)); | |
49853a4d | 2563 | |
f392e843 JD |
2564 | wlbl = GTK_LABEL (list->data); |
2565 | wkey = GTK_LABEL (list->next->data); | |
49853a4d | 2566 | g_list_free (list); |
f392e843 JD |
2567 | |
2568 | gtk_container_remove (GTK_CONTAINER (w), wchild); | |
2569 | gtk_container_add (GTK_CONTAINER (w), wtoadd); | |
2570 | } | |
2571 | } | |
2572 | ||
177c0ea7 | 2573 | |
0a1d6de0 JD |
2574 | if (wkey) old_key = gtk_label_get_label (wkey); |
2575 | if (wlbl) old_label = gtk_label_get_label (wlbl); | |
177c0ea7 | 2576 | |
0a1d6de0 | 2577 | if (wkey && utf8_key && (! old_key || strcmp (utf8_key, old_key) != 0)) |
f392e843 JD |
2578 | gtk_label_set_text (wkey, utf8_key); |
2579 | ||
0a1d6de0 | 2580 | if (! old_label || strcmp (utf8_label, old_label) != 0) |
4b1b4443 | 2581 | gtk_label_set_text (wlbl, utf8_label); |
f392e843 | 2582 | |
0a1d6de0 JD |
2583 | if (utf8_key && utf8_key != val->key) g_free (utf8_key); |
2584 | if (utf8_label && utf8_label != val->name) g_free (utf8_label); | |
177c0ea7 | 2585 | |
f392e843 JD |
2586 | if (! val->enabled && GTK_WIDGET_SENSITIVE (w)) |
2587 | gtk_widget_set_sensitive (w, FALSE); | |
2588 | else if (val->enabled && ! GTK_WIDGET_SENSITIVE (w)) | |
2589 | gtk_widget_set_sensitive (w, TRUE); | |
2590 | ||
2591 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (w), | |
2592 | XG_ITEM_DATA); | |
2593 | if (cb_data) | |
2594 | { | |
2595 | cb_data->call_data = val->call_data; | |
2596 | cb_data->help = val->help; | |
2597 | cb_data->cl_data = cl_data; | |
177c0ea7 | 2598 | |
f392e843 JD |
2599 | /* We assume the callback functions don't change. */ |
2600 | if (val->call_data && ! val->contents) | |
2601 | { | |
2602 | /* This item shall have a select callback. */ | |
2603 | if (! cb_data->select_id) | |
2604 | cb_data->select_id | |
2605 | = g_signal_connect (G_OBJECT (w), "activate", | |
2606 | select_cb, cb_data); | |
2607 | } | |
2608 | else if (cb_data->select_id) | |
2609 | { | |
2610 | g_signal_handler_disconnect (w, cb_data->select_id); | |
2611 | cb_data->select_id = 0; | |
2612 | } | |
2613 | ||
2614 | if (NILP (cb_data->help)) | |
2615 | { | |
2616 | /* Shall not have help. Remove if any existed previously. */ | |
2617 | if (cb_data->highlight_id) | |
2618 | { | |
2619 | g_signal_handler_disconnect (G_OBJECT (w), | |
2620 | cb_data->highlight_id); | |
2621 | cb_data->highlight_id = 0; | |
2622 | } | |
2623 | if (cb_data->unhighlight_id) | |
2624 | { | |
2625 | g_signal_handler_disconnect (G_OBJECT (w), | |
2626 | cb_data->unhighlight_id); | |
2627 | cb_data->unhighlight_id = 0; | |
2628 | } | |
2629 | } | |
2630 | else if (! cb_data->highlight_id && highlight_cb) | |
2631 | { | |
2632 | /* Have help now, but didn't previously. Add callback. */ | |
2633 | cb_data->highlight_id | |
2634 | = g_signal_connect (G_OBJECT (w), | |
2635 | "enter-notify-event", | |
2636 | G_CALLBACK (menuitem_highlight_callback), | |
2637 | cb_data); | |
2638 | cb_data->unhighlight_id | |
2639 | = g_signal_connect (G_OBJECT (w), | |
2640 | "leave-notify-event", | |
2641 | G_CALLBACK (menuitem_highlight_callback), | |
2642 | cb_data); | |
2643 | } | |
2644 | } | |
2645 | } | |
2646 | ||
2647 | /* Update the toggle menu item W so it corresponds to VAL. */ | |
71bacd48 | 2648 | |
f392e843 JD |
2649 | static void |
2650 | xg_update_toggle_item (val, w) | |
2651 | widget_value *val; | |
2652 | GtkWidget *w; | |
2653 | { | |
2654 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), val->selected); | |
2655 | } | |
2656 | ||
2657 | /* Update the radio menu item W so it corresponds to VAL. */ | |
71bacd48 | 2658 | |
f392e843 JD |
2659 | static void |
2660 | xg_update_radio_item (val, w) | |
2661 | widget_value *val; | |
2662 | GtkWidget *w; | |
2663 | { | |
2664 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), val->selected); | |
2665 | } | |
2666 | ||
2667 | /* Update the sub menu SUBMENU and all its children so it corresponds to VAL. | |
2668 | SUBMENU may be NULL, in that case a new menu is created. | |
2669 | F is the frame the menu bar belongs to. | |
2670 | VAL describes the contents of the menu bar. | |
2671 | SELECT_CB is the callback to use when a menu item is selected. | |
2672 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. | |
2673 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. | |
2674 | CL_DATA is the call back data to use for any newly created items. | |
2675 | ||
2676 | Returns the updated submenu widget, that is SUBMENU unless SUBMENU | |
2677 | was NULL. */ | |
2678 | ||
2679 | static GtkWidget * | |
2680 | xg_update_submenu (submenu, f, val, | |
2681 | select_cb, deactivate_cb, highlight_cb, cl_data) | |
2682 | GtkWidget *submenu; | |
2683 | FRAME_PTR f; | |
2684 | widget_value *val; | |
2685 | GCallback select_cb; | |
2686 | GCallback deactivate_cb; | |
2687 | GCallback highlight_cb; | |
2688 | xg_menu_cb_data *cl_data; | |
2689 | { | |
2690 | GtkWidget *newsub = submenu; | |
2691 | GList *list = 0; | |
2692 | GList *iter; | |
2693 | widget_value *cur; | |
2694 | int has_tearoff_p = 0; | |
2695 | GList *first_radio = 0; | |
177c0ea7 | 2696 | |
f392e843 JD |
2697 | if (submenu) |
2698 | list = gtk_container_get_children (GTK_CONTAINER (submenu)); | |
177c0ea7 | 2699 | |
f392e843 JD |
2700 | for (cur = val, iter = list; |
2701 | cur && iter; | |
2702 | iter = g_list_next (iter), cur = cur->next) | |
2703 | { | |
2704 | GtkWidget *w = GTK_WIDGET (iter->data); | |
2705 | ||
2706 | /* Skip tearoff items, they have no counterpart in val. */ | |
2707 | if (GTK_IS_TEAROFF_MENU_ITEM (w)) | |
2708 | { | |
2709 | has_tearoff_p = 1; | |
2710 | iter = g_list_next (iter); | |
2711 | if (iter) w = GTK_WIDGET (iter->data); | |
2712 | else break; | |
2713 | } | |
2714 | ||
2715 | /* Remember first radio button in a group. If we get a mismatch in | |
2716 | a radio group we must rebuild the whole group so that the connections | |
2717 | in GTK becomes correct. */ | |
2718 | if (cur->button_type == BUTTON_TYPE_RADIO && ! first_radio) | |
2719 | first_radio = iter; | |
2720 | else if (cur->button_type != BUTTON_TYPE_RADIO | |
2721 | && ! GTK_IS_RADIO_MENU_ITEM (w)) | |
2722 | first_radio = 0; | |
2723 | ||
2724 | if (GTK_IS_SEPARATOR_MENU_ITEM (w)) | |
2725 | { | |
2726 | if (! xg_separator_p (cur->name)) | |
2727 | break; | |
2728 | } | |
2729 | else if (GTK_IS_CHECK_MENU_ITEM (w)) | |
2730 | { | |
2731 | if (cur->button_type != BUTTON_TYPE_TOGGLE) | |
2732 | break; | |
2733 | xg_update_toggle_item (cur, w); | |
2734 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); | |
2735 | } | |
2736 | else if (GTK_IS_RADIO_MENU_ITEM (w)) | |
2737 | { | |
2738 | if (cur->button_type != BUTTON_TYPE_RADIO) | |
2739 | break; | |
2740 | xg_update_radio_item (cur, w); | |
2741 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); | |
2742 | } | |
2743 | else if (GTK_IS_MENU_ITEM (w)) | |
2744 | { | |
2745 | GtkMenuItem *witem = GTK_MENU_ITEM (w); | |
2746 | GtkWidget *sub; | |
2747 | ||
2748 | if (cur->button_type != BUTTON_TYPE_NONE || | |
2749 | xg_separator_p (cur->name)) | |
2750 | break; | |
2751 | ||
2752 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); | |
2753 | ||
2754 | sub = gtk_menu_item_get_submenu (witem); | |
2755 | if (sub && ! cur->contents) | |
2756 | { | |
2757 | /* Not a submenu anymore. */ | |
2758 | gtk_widget_ref (sub); | |
2759 | gtk_menu_item_remove_submenu (witem); | |
2760 | gtk_widget_destroy (sub); | |
2761 | } | |
2762 | else if (cur->contents) | |
2763 | { | |
2764 | GtkWidget *nsub; | |
2765 | ||
2766 | nsub = xg_update_submenu (sub, f, cur->contents, | |
2767 | select_cb, deactivate_cb, | |
2768 | highlight_cb, cl_data); | |
2769 | ||
2770 | /* If this item just became a submenu, we must set it. */ | |
2771 | if (nsub != sub) | |
2772 | gtk_menu_item_set_submenu (witem, nsub); | |
2773 | } | |
2774 | } | |
2775 | else | |
2776 | { | |
2777 | /* Structural difference. Remove everything from here and down | |
2778 | in SUBMENU. */ | |
2779 | break; | |
2780 | } | |
2781 | } | |
2782 | ||
2783 | /* Remove widgets from first structual change. */ | |
2784 | if (iter) | |
2785 | { | |
2786 | /* If we are adding new menu items below, we must remove from | |
2787 | first radio button so that radio groups become correct. */ | |
71bacd48 JD |
2788 | if (cur && first_radio) xg_destroy_widgets (first_radio); |
2789 | else xg_destroy_widgets (iter); | |
f392e843 | 2790 | } |
177c0ea7 | 2791 | |
f392e843 JD |
2792 | if (cur) |
2793 | { | |
2794 | /* More items added. Create them. */ | |
2795 | newsub = create_menus (cur, | |
2796 | f, | |
2797 | select_cb, | |
2798 | deactivate_cb, | |
2799 | highlight_cb, | |
2800 | 0, | |
2801 | 0, | |
2802 | ! has_tearoff_p, | |
2803 | submenu, | |
2804 | cl_data, | |
2805 | 0); | |
2806 | } | |
177c0ea7 | 2807 | |
49853a4d JD |
2808 | if (list) g_list_free (list); |
2809 | ||
f392e843 JD |
2810 | return newsub; |
2811 | } | |
2812 | ||
2813 | /* Update the MENUBAR. | |
2814 | F is the frame the menu bar belongs to. | |
2815 | VAL describes the contents of the menu bar. | |
2816 | If DEEP_P is non-zero, rebuild all but the top level menu names in | |
2817 | the MENUBAR. If DEEP_P is zero, just rebuild the names in the menubar. | |
2818 | SELECT_CB is the callback to use when a menu item is selected. | |
2819 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. | |
2820 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. */ | |
71bacd48 | 2821 | |
f392e843 JD |
2822 | void |
2823 | xg_modify_menubar_widgets (menubar, f, val, deep_p, | |
2824 | select_cb, deactivate_cb, highlight_cb) | |
2825 | GtkWidget *menubar; | |
2826 | FRAME_PTR f; | |
2827 | widget_value *val; | |
2828 | int deep_p; | |
2829 | GCallback select_cb; | |
2830 | GCallback deactivate_cb; | |
2831 | GCallback highlight_cb; | |
2832 | { | |
2833 | xg_menu_cb_data *cl_data; | |
2834 | GList *list = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
f392e843 JD |
2835 | |
2836 | if (! list) return; | |
177c0ea7 | 2837 | |
f392e843 JD |
2838 | cl_data = (xg_menu_cb_data*) g_object_get_data (G_OBJECT (menubar), |
2839 | XG_FRAME_DATA); | |
2840 | ||
da18b5ac JD |
2841 | xg_update_menubar (menubar, f, &list, list, 0, val->contents, |
2842 | select_cb, highlight_cb, cl_data); | |
2843 | ||
aa41b0bf | 2844 | if (deep_p) |
f392e843 JD |
2845 | { |
2846 | widget_value *cur; | |
2847 | ||
2848 | /* Update all sub menus. | |
da18b5ac | 2849 | We must keep the submenus (GTK menu item widgets) since the |
f392e843 JD |
2850 | X Window in the XEvent that activates the menu are those widgets. */ |
2851 | ||
2852 | /* Update cl_data, menu_item things in F may have changed. */ | |
2853 | update_cl_data (cl_data, f, highlight_cb); | |
2854 | ||
2855 | for (cur = val->contents; cur; cur = cur->next) | |
2856 | { | |
49853a4d | 2857 | GList *iter; |
f392e843 JD |
2858 | GtkWidget *sub = 0; |
2859 | GtkWidget *newsub; | |
2860 | GtkMenuItem *witem; | |
2861 | ||
2862 | /* Find sub menu that corresponds to val and update it. */ | |
2863 | for (iter = list ; iter; iter = g_list_next (iter)) | |
2864 | { | |
2865 | witem = GTK_MENU_ITEM (iter->data); | |
2866 | if (xg_item_label_same_p (witem, cur->name)) | |
2867 | { | |
2868 | sub = gtk_menu_item_get_submenu (witem); | |
2869 | break; | |
2870 | } | |
2871 | } | |
177c0ea7 | 2872 | |
f392e843 JD |
2873 | newsub = xg_update_submenu (sub, |
2874 | f, | |
2875 | cur->contents, | |
2876 | select_cb, | |
2877 | deactivate_cb, | |
2878 | highlight_cb, | |
2879 | cl_data); | |
2880 | /* sub may still be NULL. If we just updated non deep and added | |
2881 | a new menu bar item, it has no sub menu yet. So we set the | |
2882 | newly created sub menu under witem. */ | |
2883 | if (newsub != sub) | |
810f2256 JD |
2884 | { |
2885 | xg_set_screen (newsub, f); | |
2886 | gtk_menu_item_set_submenu (witem, newsub); | |
2887 | } | |
f392e843 JD |
2888 | } |
2889 | } | |
2890 | ||
49853a4d | 2891 | g_list_free (list); |
f392e843 JD |
2892 | gtk_widget_show_all (menubar); |
2893 | } | |
2894 | ||
2895 | /* Recompute all the widgets of frame F, when the menu bar has been | |
2896 | changed. Value is non-zero if widgets were updated. */ | |
2897 | ||
2898 | int | |
2899 | xg_update_frame_menubar (f) | |
2900 | FRAME_PTR f; | |
2901 | { | |
2902 | struct x_output *x = f->output_data.x; | |
2903 | GtkRequisition req; | |
177c0ea7 | 2904 | |
f392e843 JD |
2905 | if (!x->menubar_widget || GTK_WIDGET_MAPPED (x->menubar_widget)) |
2906 | return 0; | |
2907 | ||
2908 | BLOCK_INPUT; | |
2909 | ||
2910 | gtk_box_pack_start (GTK_BOX (x->vbox_widget), x->menubar_widget, | |
2911 | FALSE, FALSE, 0); | |
2912 | gtk_box_reorder_child (GTK_BOX (x->vbox_widget), x->menubar_widget, 0); | |
2913 | ||
2914 | gtk_widget_show_all (x->menubar_widget); | |
2915 | gtk_widget_size_request (x->menubar_widget, &req); | |
2916 | ||
2917 | FRAME_MENUBAR_HEIGHT (f) = req.height; | |
2918 | ||
2919 | /* The height has changed, resize outer widget and set columns | |
2920 | rows to what we had before adding the menu bar. */ | |
be786000 | 2921 | xg_resize_outer_widget (f, FRAME_COLS (f), FRAME_LINES (f)); |
177c0ea7 | 2922 | |
f392e843 JD |
2923 | SET_FRAME_GARBAGED (f); |
2924 | UNBLOCK_INPUT; | |
a8303f92 AS |
2925 | |
2926 | return 1; | |
f392e843 JD |
2927 | } |
2928 | ||
2929 | /* Get rid of the menu bar of frame F, and free its storage. | |
2930 | This is used when deleting a frame, and when turning off the menu bar. */ | |
2931 | ||
2932 | void | |
2933 | free_frame_menubar (f) | |
2934 | FRAME_PTR f; | |
2935 | { | |
2936 | struct x_output *x = f->output_data.x; | |
2937 | ||
2938 | if (x->menubar_widget) | |
2939 | { | |
2940 | BLOCK_INPUT; | |
2941 | ||
2942 | gtk_container_remove (GTK_CONTAINER (x->vbox_widget), x->menubar_widget); | |
2943 | /* The menubar and its children shall be deleted when removed from | |
2944 | the container. */ | |
2945 | x->menubar_widget = 0; | |
2946 | FRAME_MENUBAR_HEIGHT (f) = 0; | |
2947 | ||
2948 | /* The height has changed, resize outer widget and set columns | |
2949 | rows to what we had before removing the menu bar. */ | |
be786000 | 2950 | xg_resize_outer_widget (f, FRAME_COLS (f), FRAME_LINES (f)); |
f392e843 JD |
2951 | |
2952 | SET_FRAME_GARBAGED (f); | |
2953 | UNBLOCK_INPUT; | |
2954 | } | |
2955 | } | |
2956 | ||
2957 | ||
2958 | \f | |
2959 | /*********************************************************************** | |
2960 | Scroll bar functions | |
2961 | ***********************************************************************/ | |
2962 | ||
2963 | ||
2964 | /* Setting scroll bar values invokes the callback. Use this variable | |
2965 | to indicate that callback should do nothing. */ | |
71bacd48 | 2966 | |
f392e843 JD |
2967 | int xg_ignore_gtk_scrollbar; |
2968 | ||
f392e843 JD |
2969 | /* SET_SCROLL_BAR_X_WINDOW assumes the second argument fits in |
2970 | 32 bits. But we want to store pointers, and they may be larger | |
2971 | than 32 bits. Keep a mapping from integer index to widget pointers | |
2972 | to get around the 32 bit limitation. */ | |
71bacd48 | 2973 | |
f392e843 JD |
2974 | static struct |
2975 | { | |
2976 | GtkWidget **widgets; | |
2977 | int max_size; | |
2978 | int used; | |
81e302ef | 2979 | } id_to_widget; |
f392e843 JD |
2980 | |
2981 | /* Grow this much every time we need to allocate more */ | |
71bacd48 | 2982 | |
f392e843 JD |
2983 | #define ID_TO_WIDGET_INCR 32 |
2984 | ||
2985 | /* Store the widget pointer W in id_to_widget and return the integer index. */ | |
71bacd48 | 2986 | |
f392e843 JD |
2987 | static int |
2988 | xg_store_widget_in_map (w) | |
2989 | GtkWidget *w; | |
2990 | { | |
2991 | int i; | |
2992 | ||
2993 | if (id_to_widget.max_size == id_to_widget.used) | |
2994 | { | |
2995 | int new_size = id_to_widget.max_size + ID_TO_WIDGET_INCR; | |
2996 | ||
2997 | id_to_widget.widgets = xrealloc (id_to_widget.widgets, | |
2998 | sizeof (GtkWidget *)*new_size); | |
2999 | ||
3000 | for (i = id_to_widget.max_size; i < new_size; ++i) | |
3001 | id_to_widget.widgets[i] = 0; | |
3002 | id_to_widget.max_size = new_size; | |
3003 | } | |
3004 | ||
3005 | /* Just loop over the array and find a free place. After all, | |
3006 | how many scroll bars are we creating? Should be a small number. | |
3007 | The check above guarantees we will find a free place. */ | |
3008 | for (i = 0; i < id_to_widget.max_size; ++i) | |
3009 | { | |
3010 | if (! id_to_widget.widgets[i]) | |
3011 | { | |
3012 | id_to_widget.widgets[i] = w; | |
3013 | ++id_to_widget.used; | |
3014 | ||
3015 | return i; | |
3016 | } | |
3017 | } | |
3018 | ||
3019 | /* Should never end up here */ | |
3020 | abort (); | |
3021 | } | |
3022 | ||
3023 | /* Remove pointer at IDX from id_to_widget. | |
3024 | Called when scroll bar is destroyed. */ | |
71bacd48 | 3025 | |
f392e843 JD |
3026 | static void |
3027 | xg_remove_widget_from_map (idx) | |
3028 | int idx; | |
3029 | { | |
3030 | if (idx < id_to_widget.max_size && id_to_widget.widgets[idx] != 0) | |
3031 | { | |
3032 | id_to_widget.widgets[idx] = 0; | |
3033 | --id_to_widget.used; | |
3034 | } | |
3035 | } | |
3036 | ||
3037 | /* Get the widget pointer at IDX from id_to_widget. */ | |
71bacd48 | 3038 | |
f392e843 JD |
3039 | static GtkWidget * |
3040 | xg_get_widget_from_map (idx) | |
3041 | int idx; | |
3042 | { | |
3043 | if (idx < id_to_widget.max_size && id_to_widget.widgets[idx] != 0) | |
3044 | return id_to_widget.widgets[idx]; | |
3045 | ||
3046 | return 0; | |
3047 | } | |
3048 | ||
810f2256 | 3049 | /* Return the scrollbar id for X Window WID on display DPY. |
3a8a22fc | 3050 | Return -1 if WID not in id_to_widget. */ |
71bacd48 | 3051 | |
3a8a22fc | 3052 | int |
810f2256 JD |
3053 | xg_get_scroll_id_for_window (dpy, wid) |
3054 | Display *dpy; | |
3a8a22fc JD |
3055 | Window wid; |
3056 | { | |
3057 | int idx; | |
3058 | GtkWidget *w; | |
3059 | ||
810f2256 | 3060 | w = xg_win_to_widget (dpy, wid); |
3a8a22fc JD |
3061 | |
3062 | if (w) | |
3063 | { | |
3064 | for (idx = 0; idx < id_to_widget.max_size; ++idx) | |
3065 | if (id_to_widget.widgets[idx] == w) | |
3066 | return idx; | |
3067 | } | |
3068 | ||
3069 | return -1; | |
3070 | } | |
3071 | ||
f392e843 JD |
3072 | /* Callback invoked when scroll bar WIDGET is destroyed. |
3073 | DATA is the index into id_to_widget for WIDGET. | |
cea9be54 | 3074 | We free pointer to last scroll bar values here and remove the index. */ |
71bacd48 | 3075 | |
f392e843 JD |
3076 | static void |
3077 | xg_gtk_scroll_destroy (widget, data) | |
3078 | GtkWidget *widget; | |
3079 | gpointer data; | |
3080 | { | |
3081 | gpointer p; | |
ff59904a | 3082 | int id = (int) (EMACS_INT) data; /* The EMACS_INT cast avoids a warning. */ |
177c0ea7 | 3083 | |
f392e843 JD |
3084 | p = g_object_get_data (G_OBJECT (widget), XG_LAST_SB_DATA); |
3085 | if (p) xfree (p); | |
3086 | xg_remove_widget_from_map (id); | |
3087 | } | |
3088 | ||
3089 | /* Callback for button press/release events. Used to start timer so that | |
3090 | the scroll bar repetition timer in GTK gets handeled. | |
17097258 | 3091 | Also, sets bar->dragging to Qnil when dragging (button release) is done. |
f392e843 JD |
3092 | WIDGET is the scroll bar widget the event is for (not used). |
3093 | EVENT contains the event. | |
17097258 | 3094 | USER_DATA points to the struct scrollbar structure. |
f392e843 JD |
3095 | |
3096 | Returns FALSE to tell GTK that it shall continue propagate the event | |
3097 | to widgets. */ | |
71bacd48 | 3098 | |
f392e843 JD |
3099 | static gboolean |
3100 | scroll_bar_button_cb (widget, event, user_data) | |
3101 | GtkWidget *widget; | |
3102 | GdkEventButton *event; | |
3103 | gpointer user_data; | |
3104 | { | |
3105 | if (event->type == GDK_BUTTON_PRESS && ! xg_timer) | |
3106 | xg_start_timer (); | |
17097258 JD |
3107 | else if (event->type == GDK_BUTTON_RELEASE) |
3108 | { | |
3109 | struct scroll_bar *bar = (struct scroll_bar *) user_data; | |
3110 | if (xg_timer) xg_stop_timer (); | |
3111 | bar->dragging = Qnil; | |
3112 | } | |
c43923ad | 3113 | |
f392e843 JD |
3114 | return FALSE; |
3115 | } | |
3116 | ||
3117 | /* Create a scroll bar widget for frame F. Store the scroll bar | |
3118 | in BAR. | |
3119 | SCROLL_CALLBACK is the callback to invoke when the value of the | |
3120 | bar changes. | |
3121 | SCROLL_BAR_NAME is the name we use for the scroll bar. Can be used | |
3122 | to set resources for the widget. */ | |
71bacd48 | 3123 | |
f392e843 JD |
3124 | void |
3125 | xg_create_scroll_bar (f, bar, scroll_callback, scroll_bar_name) | |
3126 | FRAME_PTR f; | |
3127 | struct scroll_bar *bar; | |
3128 | GCallback scroll_callback; | |
3129 | char *scroll_bar_name; | |
3130 | { | |
3131 | GtkWidget *wscroll; | |
1755a397 | 3132 | GtkWidget *webox; |
f392e843 JD |
3133 | GtkObject *vadj; |
3134 | int scroll_id; | |
177c0ea7 | 3135 | |
f392e843 JD |
3136 | /* Page, step increment values are not so important here, they |
3137 | will be corrected in x_set_toolkit_scroll_bar_thumb. */ | |
3138 | vadj = gtk_adjustment_new (XG_SB_MIN, XG_SB_MIN, XG_SB_MAX, | |
3139 | 0.1, 0.1, 0.1); | |
3140 | ||
3141 | wscroll = gtk_vscrollbar_new (GTK_ADJUSTMENT (vadj)); | |
1755a397 | 3142 | webox = gtk_event_box_new (); |
f392e843 JD |
3143 | gtk_widget_set_name (wscroll, scroll_bar_name); |
3144 | gtk_range_set_update_policy (GTK_RANGE (wscroll), GTK_UPDATE_CONTINUOUS); | |
177c0ea7 | 3145 | |
f392e843 | 3146 | scroll_id = xg_store_widget_in_map (wscroll); |
177c0ea7 | 3147 | |
f979dc05 | 3148 | g_signal_connect (G_OBJECT (wscroll), |
f392e843 JD |
3149 | "value-changed", |
3150 | scroll_callback, | |
f979dc05 | 3151 | (gpointer) bar); |
ff59904a | 3152 | /* The EMACS_INT cast avoids a warning. */ |
f392e843 JD |
3153 | g_signal_connect (G_OBJECT (wscroll), |
3154 | "destroy", | |
3155 | G_CALLBACK (xg_gtk_scroll_destroy), | |
ff59904a | 3156 | (gpointer) (EMACS_INT) scroll_id); |
f392e843 JD |
3157 | |
3158 | /* Connect to button press and button release to detect if any scroll bar | |
3159 | has the pointer. */ | |
3160 | g_signal_connect (G_OBJECT (wscroll), | |
3161 | "button-press-event", | |
3162 | G_CALLBACK (scroll_bar_button_cb), | |
f979dc05 | 3163 | (gpointer) bar); |
f392e843 JD |
3164 | g_signal_connect (G_OBJECT (wscroll), |
3165 | "button-release-event", | |
3166 | G_CALLBACK (scroll_bar_button_cb), | |
f979dc05 | 3167 | (gpointer) bar); |
177c0ea7 | 3168 | |
1755a397 JD |
3169 | /* The scroll bar widget does not draw on a window of its own. Instead |
3170 | it draws on the parent window, in this case the edit widget. So | |
3171 | whenever the edit widget is cleared, the scroll bar needs to redraw | |
3172 | also, which causes flicker. Put an event box between the edit widget | |
3173 | and the scroll bar, so the scroll bar instead draws itself on the | |
3174 | event box window. */ | |
3175 | gtk_fixed_put (GTK_FIXED (f->output_data.x->edit_widget), webox, -1, -1); | |
3176 | gtk_container_add (GTK_CONTAINER (webox), wscroll); | |
c43923ad | 3177 | |
f392e843 JD |
3178 | |
3179 | /* Set the cursor to an arrow. */ | |
1755a397 | 3180 | xg_set_cursor (webox, FRAME_X_DISPLAY_INFO (f)->xg_cursor); |
f392e843 JD |
3181 | |
3182 | SET_SCROLL_BAR_X_WINDOW (bar, scroll_id); | |
3183 | } | |
3184 | ||
3185 | /* Make the scroll bar represented by SCROLLBAR_ID visible. */ | |
71bacd48 | 3186 | |
f392e843 JD |
3187 | void |
3188 | xg_show_scroll_bar (scrollbar_id) | |
3189 | int scrollbar_id; | |
3190 | { | |
3191 | GtkWidget *w = xg_get_widget_from_map (scrollbar_id); | |
3192 | if (w) | |
1755a397 | 3193 | gtk_widget_show_all (gtk_widget_get_parent (w)); |
f392e843 JD |
3194 | } |
3195 | ||
3196 | /* Remove the scroll bar represented by SCROLLBAR_ID from the frame F. */ | |
71bacd48 | 3197 | |
f392e843 JD |
3198 | void |
3199 | xg_remove_scroll_bar (f, scrollbar_id) | |
3200 | FRAME_PTR f; | |
3201 | int scrollbar_id; | |
3202 | { | |
3203 | GtkWidget *w = xg_get_widget_from_map (scrollbar_id); | |
3204 | if (w) | |
3205 | { | |
1755a397 | 3206 | GtkWidget *wparent = gtk_widget_get_parent (w); |
f392e843 | 3207 | gtk_widget_destroy (w); |
1755a397 | 3208 | gtk_widget_destroy (wparent); |
f392e843 JD |
3209 | SET_FRAME_GARBAGED (f); |
3210 | } | |
3211 | } | |
3212 | ||
f392e843 JD |
3213 | /* Update the position of the vertical scroll bar represented by SCROLLBAR_ID |
3214 | in frame F. | |
3215 | TOP/LEFT are the new pixel positions where the bar shall appear. | |
3216 | WIDTH, HEIGHT is the size in pixels the bar shall have. */ | |
71bacd48 | 3217 | |
f392e843 | 3218 | void |
1755a397 | 3219 | xg_update_scrollbar_pos (f, scrollbar_id, top, left, width, height) |
f392e843 JD |
3220 | FRAME_PTR f; |
3221 | int scrollbar_id; | |
3222 | int top; | |
3223 | int left; | |
3224 | int width; | |
3225 | int height; | |
3226 | { | |
f392e843 | 3227 | |
49853a4d | 3228 | GtkWidget *wscroll = xg_get_widget_from_map (scrollbar_id); |
7863d625 | 3229 | |
49853a4d JD |
3230 | if (wscroll) |
3231 | { | |
cea9be54 | 3232 | GtkWidget *wfixed = f->output_data.x->edit_widget; |
1755a397 | 3233 | GtkWidget *wparent = gtk_widget_get_parent (wscroll); |
7863d625 | 3234 | |
ab2d724b | 3235 | /* Move and resize to new values. */ |
1755a397 | 3236 | gtk_fixed_move (GTK_FIXED (wfixed), wparent, left, top); |
817d354b JD |
3237 | gtk_widget_set_size_request (wscroll, width, height); |
3238 | gtk_widget_queue_draw (wparent); | |
3239 | gdk_window_process_all_updates (); | |
3240 | /* GTK does not redraw until the main loop is entered again, but | |
3241 | if there are no X events pending we will not enter it. So we sync | |
3242 | here to get some events. */ | |
3243 | x_sync (f); | |
49853a4d JD |
3244 | SET_FRAME_GARBAGED (f); |
3245 | cancel_mouse_face (f); | |
3246 | } | |
f392e843 JD |
3247 | } |
3248 | ||
3249 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
3250 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
71bacd48 | 3251 | |
f392e843 JD |
3252 | void |
3253 | xg_set_toolkit_scroll_bar_thumb (bar, portion, position, whole) | |
3254 | struct scroll_bar *bar; | |
3255 | int portion, position, whole; | |
3256 | { | |
3257 | GtkWidget *wscroll = xg_get_widget_from_map (SCROLL_BAR_X_WINDOW (bar)); | |
3258 | ||
3259 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
3260 | ||
17097258 | 3261 | if (wscroll && NILP (bar->dragging)) |
f392e843 JD |
3262 | { |
3263 | GtkAdjustment *adj; | |
3264 | gdouble shown; | |
3265 | gdouble top; | |
3266 | int size, value; | |
7863d625 JD |
3267 | int new_step; |
3268 | int changed = 0; | |
177c0ea7 | 3269 | |
f392e843 JD |
3270 | adj = gtk_range_get_adjustment (GTK_RANGE (wscroll)); |
3271 | ||
17097258 JD |
3272 | /* We do the same as for MOTIF in xterm.c, assume 30 chars per line |
3273 | rather than the real portion value. This makes the thumb less likely | |
3274 | to resize and that looks better. */ | |
be786000 | 3275 | portion = WINDOW_TOTAL_LINES (XWINDOW (bar->window)) * 30; |
17097258 JD |
3276 | /* When the thumb is at the bottom, position == whole. |
3277 | So we need to increase `whole' to make space for the thumb. */ | |
3278 | whole += portion; | |
3279 | ||
f392e843 JD |
3280 | if (whole <= 0) |
3281 | top = 0, shown = 1; | |
3282 | else | |
3283 | { | |
f392e843 | 3284 | top = (gdouble) position / whole; |
7863d625 | 3285 | shown = (gdouble) portion / whole; |
f392e843 JD |
3286 | } |
3287 | ||
7863d625 JD |
3288 | size = shown * XG_SB_RANGE; |
3289 | size = min (size, XG_SB_RANGE); | |
f392e843 JD |
3290 | size = max (size, 1); |
3291 | ||
7863d625 JD |
3292 | value = top * XG_SB_RANGE; |
3293 | value = min (value, XG_SB_MAX - size); | |
f392e843 JD |
3294 | value = max (value, XG_SB_MIN); |
3295 | ||
7863d625 | 3296 | /* Assume all lines are of equal size. */ |
be786000 | 3297 | new_step = size / max (1, FRAME_LINES (f)); |
2a2071c3 JD |
3298 | |
3299 | if ((int) adj->page_size != size | |
2a2071c3 JD |
3300 | || (int) adj->step_increment != new_step) |
3301 | { | |
7863d625 JD |
3302 | adj->page_size = size; |
3303 | adj->step_increment = new_step; | |
2a2071c3 | 3304 | /* Assume a page increment is about 95% of the page size */ |
7863d625 JD |
3305 | adj->page_increment = (int) (0.95*adj->page_size); |
3306 | changed = 1; | |
2a2071c3 | 3307 | } |
17097258 | 3308 | |
7863d625 JD |
3309 | if (changed || (int) gtk_range_get_value (GTK_RANGE (wscroll)) != value) |
3310 | { | |
3311 | GtkWidget *wfixed = f->output_data.x->edit_widget; | |
17097258 | 3312 | |
7863d625 | 3313 | BLOCK_INPUT; |
cea9be54 | 3314 | |
7863d625 JD |
3315 | /* gtk_range_set_value invokes the callback. Set |
3316 | ignore_gtk_scrollbar to make the callback do nothing */ | |
3317 | xg_ignore_gtk_scrollbar = 1; | |
f392e843 | 3318 | |
7863d625 JD |
3319 | if ((int) gtk_range_get_value (GTK_RANGE (wscroll)) != value) |
3320 | gtk_range_set_value (GTK_RANGE (wscroll), (gdouble)value); | |
3321 | else if (changed) | |
3322 | gtk_adjustment_changed (adj); | |
3323 | ||
3324 | xg_ignore_gtk_scrollbar = 0; | |
3325 | ||
3326 | UNBLOCK_INPUT; | |
3327 | } | |
3328 | } | |
f392e843 JD |
3329 | } |
3330 | ||
3331 | \f | |
3332 | /*********************************************************************** | |
3333 | Tool bar functions | |
3334 | ***********************************************************************/ | |
3335 | /* The key for the data we put in the GtkImage widgets. The data is | |
3336 | the image used by Emacs. We use this to see if we need to update | |
3337 | the GtkImage with a new image. */ | |
3338 | #define XG_TOOL_BAR_IMAGE_DATA "emacs-tool-bar-image" | |
3339 | ||
2334f9e7 JD |
3340 | /* The key for storing the latest modifiers so the activate callback can |
3341 | get them. */ | |
3342 | #define XG_TOOL_BAR_LAST_MODIFIER "emacs-tool-bar-modifier" | |
3343 | ||
3344 | ||
f392e843 JD |
3345 | /* Callback function invoked when a tool bar item is pressed. |
3346 | W is the button widget in the tool bar that got pressed, | |
3347 | CLIENT_DATA is an integer that is the index of the button in the | |
3348 | tool bar. 0 is the first button. */ | |
71bacd48 | 3349 | |
2334f9e7 JD |
3350 | static gboolean |
3351 | xg_tool_bar_button_cb (widget, event, user_data) | |
3352 | GtkWidget *widget; | |
3353 | GdkEventButton *event; | |
3354 | gpointer user_data; | |
3355 | { | |
6d45d2a0 JD |
3356 | g_object_set_data (G_OBJECT (user_data), XG_TOOL_BAR_LAST_MODIFIER, |
3357 | (gpointer) event->state); | |
3358 | return FALSE; | |
2334f9e7 JD |
3359 | } |
3360 | ||
3361 | ||
f392e843 JD |
3362 | static void |
3363 | xg_tool_bar_callback (w, client_data) | |
3364 | GtkWidget *w; | |
3365 | gpointer client_data; | |
3366 | { | |
ff59904a JD |
3367 | /* The EMACS_INT cast avoids a warning. */ |
3368 | int idx = (int) (EMACS_INT) client_data; | |
2334f9e7 JD |
3369 | int mod = (int) g_object_get_data (G_OBJECT (w), XG_TOOL_BAR_LAST_MODIFIER); |
3370 | ||
f392e843 JD |
3371 | FRAME_PTR f = (FRAME_PTR) g_object_get_data (G_OBJECT (w), XG_FRAME_DATA); |
3372 | Lisp_Object key, frame; | |
3373 | struct input_event event; | |
aa4ac494 | 3374 | EVENT_INIT (event); |
f392e843 JD |
3375 | |
3376 | if (! f || ! f->n_tool_bar_items || NILP (f->tool_bar_items)) | |
3377 | return; | |
3378 | ||
3379 | idx *= TOOL_BAR_ITEM_NSLOTS; | |
177c0ea7 | 3380 | |
f392e843 JD |
3381 | key = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_KEY); |
3382 | XSETFRAME (frame, f); | |
3383 | event.kind = TOOL_BAR_EVENT; | |
3384 | event.frame_or_window = frame; | |
3385 | event.arg = frame; | |
3386 | kbd_buffer_store_event (&event); | |
3387 | ||
3388 | event.kind = TOOL_BAR_EVENT; | |
3389 | event.frame_or_window = frame; | |
3390 | event.arg = key; | |
2334f9e7 JD |
3391 | /* Convert between the modifier bits GDK uses and the modifier bits |
3392 | Emacs uses. This assumes GDK an X masks are the same, which they are when | |
3393 | this is written. */ | |
3394 | event.modifiers = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), mod); | |
f392e843 JD |
3395 | kbd_buffer_store_event (&event); |
3396 | } | |
3397 | ||
3398 | /* This callback is called when a tool bar is detached. We must set | |
3399 | the height of the tool bar to zero when this happens so frame sizes | |
3400 | are correctly calculated. | |
3401 | WBOX is the handle box widget that enables detach/attach of the tool bar. | |
3402 | W is the tool bar widget. | |
3403 | CLIENT_DATA is a pointer to the frame the tool bar belongs to. */ | |
71bacd48 | 3404 | |
f392e843 JD |
3405 | static void |
3406 | xg_tool_bar_detach_callback (wbox, w, client_data) | |
3407 | GtkHandleBox *wbox; | |
3408 | GtkWidget *w; | |
3409 | gpointer client_data; | |
3410 | { | |
3411 | FRAME_PTR f = (FRAME_PTR) client_data; | |
0f340cab JD |
3412 | extern int x_gtk_whole_detached_tool_bar; |
3413 | ||
3414 | g_object_set (G_OBJECT (w), "show-arrow", !x_gtk_whole_detached_tool_bar, | |
3415 | NULL); | |
f392e843 JD |
3416 | |
3417 | if (f) | |
3418 | { | |
e0910857 JD |
3419 | FRAME_X_OUTPUT (f)->toolbar_detached = 1; |
3420 | ||
f392e843 JD |
3421 | /* When detaching a tool bar, not everything dissapear. There are |
3422 | a few pixels left that are used to drop the tool bar back into | |
3423 | place. */ | |
f392e843 JD |
3424 | FRAME_TOOLBAR_HEIGHT (f) = 2; |
3425 | ||
3426 | /* The height has changed, resize outer widget and set columns | |
3427 | rows to what we had before detaching the tool bar. */ | |
be786000 | 3428 | xg_resize_outer_widget (f, FRAME_COLS (f), FRAME_LINES (f)); |
f392e843 JD |
3429 | } |
3430 | } | |
3431 | ||
3432 | /* This callback is called when a tool bar is reattached. We must set | |
3433 | the height of the tool bar when this happens so frame sizes | |
3434 | are correctly calculated. | |
3435 | WBOX is the handle box widget that enables detach/attach of the tool bar. | |
3436 | W is the tool bar widget. | |
3437 | CLIENT_DATA is a pointer to the frame the tool bar belongs to. */ | |
71bacd48 | 3438 | |
f392e843 JD |
3439 | static void |
3440 | xg_tool_bar_attach_callback (wbox, w, client_data) | |
3441 | GtkHandleBox *wbox; | |
3442 | GtkWidget *w; | |
3443 | gpointer client_data; | |
3444 | { | |
3445 | FRAME_PTR f = (FRAME_PTR) client_data; | |
0f340cab | 3446 | g_object_set (G_OBJECT (w), "show-arrow", TRUE, NULL); |
f392e843 JD |
3447 | |
3448 | if (f) | |
3449 | { | |
3450 | GtkRequisition req; | |
3451 | ||
e0910857 JD |
3452 | FRAME_X_OUTPUT (f)->toolbar_detached = 0; |
3453 | ||
f392e843 JD |
3454 | gtk_widget_size_request (w, &req); |
3455 | FRAME_TOOLBAR_HEIGHT (f) = req.height; | |
3456 | ||
3457 | /* The height has changed, resize outer widget and set columns | |
e0910857 | 3458 | rows to what we had before attaching the tool bar. */ |
be786000 | 3459 | xg_resize_outer_widget (f, FRAME_COLS (f), FRAME_LINES (f)); |
f392e843 JD |
3460 | } |
3461 | } | |
3462 | ||
3463 | /* This callback is called when the mouse enters or leaves a tool bar item. | |
3464 | It is used for displaying and hiding the help text. | |
3465 | W is the tool bar item, a button. | |
3466 | EVENT is either an enter event or leave event. | |
3467 | CLIENT_DATA is an integer that is the index of the button in the | |
3468 | tool bar. 0 is the first button. | |
3469 | ||
3470 | Returns FALSE to tell GTK to keep processing this event. */ | |
71bacd48 | 3471 | |
f392e843 JD |
3472 | static gboolean |
3473 | xg_tool_bar_help_callback (w, event, client_data) | |
3474 | GtkWidget *w; | |
3475 | GdkEventCrossing *event; | |
3476 | gpointer client_data; | |
3477 | { | |
ff59904a JD |
3478 | /* The EMACS_INT cast avoids a warning. */ |
3479 | int idx = (int) (EMACS_INT) client_data; | |
f392e843 JD |
3480 | FRAME_PTR f = (FRAME_PTR) g_object_get_data (G_OBJECT (w), XG_FRAME_DATA); |
3481 | Lisp_Object help, frame; | |
3482 | ||
3483 | if (! GTK_IS_BUTTON (w)) | |
cd7cd4ac | 3484 | return FALSE; |
f392e843 JD |
3485 | |
3486 | if (! f || ! f->n_tool_bar_items || NILP (f->tool_bar_items)) | |
d9301435 | 3487 | return FALSE; |
f392e843 JD |
3488 | |
3489 | if (event->type == GDK_ENTER_NOTIFY) | |
3490 | { | |
3491 | idx *= TOOL_BAR_ITEM_NSLOTS; | |
3492 | help = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_HELP); | |
3493 | ||
3494 | if (NILP (help)) | |
3495 | help = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_CAPTION); | |
3496 | } | |
3497 | else | |
3498 | help = Qnil; | |
3499 | ||
3500 | XSETFRAME (frame, f); | |
3501 | kbd_buffer_store_help_event (frame, help); | |
3502 | ||
3503 | return FALSE; | |
3504 | } | |
3505 | ||
3506 | ||
f098b121 JD |
3507 | /* This callback is called when a tool bar item shall be redrawn. |
3508 | It modifies the expose event so that the GtkImage widget redraws the | |
3509 | whole image. This to overcome a bug that makes GtkImage draw the image | |
3510 | in the wrong place when it tries to redraw just a part of the image. | |
3511 | W is the GtkImage to be redrawn. | |
3512 | EVENT is the expose event for W. | |
3513 | CLIENT_DATA is unused. | |
3514 | ||
3515 | Returns FALSE to tell GTK to keep processing this event. */ | |
71bacd48 | 3516 | |
f098b121 | 3517 | static gboolean |
3a8a22fc | 3518 | xg_tool_bar_item_expose_callback (w, event, client_data) |
f098b121 JD |
3519 | GtkWidget *w; |
3520 | GdkEventExpose *event; | |
3521 | gpointer client_data; | |
3522 | { | |
b676f356 JD |
3523 | gint width, height; |
3524 | ||
3525 | gdk_drawable_get_size (event->window, &width, &height); | |
3526 | ||
3527 | event->area.x -= width > event->area.width ? width-event->area.width : 0; | |
3528 | event->area.y -= height > event->area.height ? height-event->area.height : 0; | |
3529 | ||
810f2256 JD |
3530 | event->area.x = max (0, event->area.x); |
3531 | event->area.y = max (0, event->area.y); | |
c43923ad | 3532 | |
b676f356 JD |
3533 | event->area.width = max (width, event->area.width); |
3534 | event->area.height = max (height, event->area.height); | |
c43923ad | 3535 | |
f098b121 JD |
3536 | return FALSE; |
3537 | } | |
3538 | ||
3a8a22fc JD |
3539 | /* This callback is called when a tool bar shall be redrawn. |
3540 | We need to update the tool bar from here in case the image cache | |
3541 | has deleted the pixmaps used in the tool bar. | |
3542 | W is the GtkToolbar to be redrawn. | |
3543 | EVENT is the expose event for W. | |
3544 | CLIENT_DATA is pointing to the frame for this tool bar. | |
3545 | ||
3546 | Returns FALSE to tell GTK to keep processing this event. */ | |
71bacd48 | 3547 | |
3a8a22fc JD |
3548 | static gboolean |
3549 | xg_tool_bar_expose_callback (w, event, client_data) | |
3550 | GtkWidget *w; | |
3551 | GdkEventExpose *event; | |
3552 | gpointer client_data; | |
3553 | { | |
810f2256 | 3554 | update_frame_tool_bar ((FRAME_PTR) client_data); |
3a8a22fc JD |
3555 | return FALSE; |
3556 | } | |
3557 | ||
71bacd48 JD |
3558 | /* Create a tool bar for frame F. */ |
3559 | ||
f392e843 JD |
3560 | static void |
3561 | xg_create_tool_bar (f) | |
3562 | FRAME_PTR f; | |
3563 | { | |
3564 | struct x_output *x = f->output_data.x; | |
3565 | GtkRequisition req; | |
3566 | int vbox_pos = x->menubar_widget ? 1 : 0; | |
3567 | ||
3568 | x->toolbar_widget = gtk_toolbar_new (); | |
3569 | x->handlebox_widget = gtk_handle_box_new (); | |
e0910857 JD |
3570 | x->toolbar_detached = 0; |
3571 | ||
f392e843 JD |
3572 | gtk_container_add (GTK_CONTAINER (x->handlebox_widget), |
3573 | x->toolbar_widget); | |
177c0ea7 | 3574 | |
f392e843 JD |
3575 | gtk_box_pack_start (GTK_BOX (x->vbox_widget), x->handlebox_widget, |
3576 | FALSE, FALSE, 0); | |
177c0ea7 | 3577 | |
f392e843 JD |
3578 | gtk_box_reorder_child (GTK_BOX (x->vbox_widget), x->handlebox_widget, |
3579 | vbox_pos); | |
3580 | ||
f098b121 JD |
3581 | gtk_widget_set_name (x->toolbar_widget, "emacs-toolbar"); |
3582 | ||
3583 | /* We only have icons, so override any user setting. We could | |
3584 | use the caption property of the toolbar item (see update_frame_tool_bar | |
3585 | below), but some of those strings are long, making the toolbar so | |
3586 | long it does not fit on the screen. The GtkToolbar widget makes every | |
3587 | item equal size, so the longest caption determine the size of every | |
3588 | tool bar item. I think the creators of the GtkToolbar widget | |
3589 | counted on 4 or 5 character long strings. */ | |
3590 | gtk_toolbar_set_style (GTK_TOOLBAR (x->toolbar_widget), GTK_TOOLBAR_ICONS); | |
3591 | gtk_toolbar_set_orientation (GTK_TOOLBAR (x->toolbar_widget), | |
3592 | GTK_ORIENTATION_HORIZONTAL); | |
3593 | ||
f392e843 JD |
3594 | g_signal_connect (G_OBJECT (x->handlebox_widget), "child-detached", |
3595 | G_CALLBACK (xg_tool_bar_detach_callback), f); | |
3596 | g_signal_connect (G_OBJECT (x->handlebox_widget), "child-attached", | |
3597 | G_CALLBACK (xg_tool_bar_attach_callback), f); | |
3a8a22fc JD |
3598 | g_signal_connect (G_OBJECT (x->toolbar_widget), |
3599 | "expose-event", | |
3600 | G_CALLBACK (xg_tool_bar_expose_callback), | |
3601 | f); | |
f392e843 JD |
3602 | |
3603 | gtk_widget_show_all (x->handlebox_widget); | |
3604 | ||
3605 | gtk_widget_size_request (x->toolbar_widget, &req); | |
3606 | FRAME_TOOLBAR_HEIGHT (f) = req.height; | |
177c0ea7 | 3607 | |
f392e843 JD |
3608 | /* The height has changed, resize outer widget and set columns |
3609 | rows to what we had before adding the tool bar. */ | |
be786000 | 3610 | xg_resize_outer_widget (f, FRAME_COLS (f), FRAME_LINES (f)); |
177c0ea7 | 3611 | |
f392e843 JD |
3612 | SET_FRAME_GARBAGED (f); |
3613 | } | |
3614 | ||
71bacd48 JD |
3615 | /* Update the tool bar for frame F. Add new buttons and remove old. */ |
3616 | ||
f392e843 JD |
3617 | void |
3618 | update_frame_tool_bar (f) | |
3619 | FRAME_PTR f; | |
3620 | { | |
3621 | int i; | |
3622 | GtkRequisition old_req, new_req; | |
3623 | GList *icon_list; | |
49853a4d | 3624 | GList *iter; |
f392e843 | 3625 | struct x_output *x = f->output_data.x; |
133c0116 | 3626 | int hmargin, vmargin; |
f392e843 JD |
3627 | |
3628 | if (! FRAME_GTK_WIDGET (f)) | |
3629 | return; | |
3630 | ||
3631 | BLOCK_INPUT; | |
177c0ea7 | 3632 | |
133c0116 JD |
3633 | if (INTEGERP (Vtool_bar_button_margin) |
3634 | && XINT (Vtool_bar_button_margin) > 0) | |
3635 | { | |
3636 | hmargin = XFASTINT (Vtool_bar_button_margin); | |
3637 | vmargin = XFASTINT (Vtool_bar_button_margin); | |
3638 | } | |
3639 | else if (CONSP (Vtool_bar_button_margin)) | |
3640 | { | |
3641 | if (INTEGERP (XCAR (Vtool_bar_button_margin)) | |
3642 | && XINT (XCAR (Vtool_bar_button_margin)) > 0) | |
3643 | hmargin = XFASTINT (XCAR (Vtool_bar_button_margin)); | |
3644 | ||
3645 | if (INTEGERP (XCDR (Vtool_bar_button_margin)) | |
3646 | && XINT (XCDR (Vtool_bar_button_margin)) > 0) | |
3647 | vmargin = XFASTINT (XCDR (Vtool_bar_button_margin)); | |
3648 | } | |
3649 | ||
3650 | /* The natural size (i.e. when GTK uses 0 as margin) looks best, | |
3651 | so take DEFAULT_TOOL_BAR_BUTTON_MARGIN to mean "default for GTK", | |
3652 | i.e. zero. This means that margins less than | |
3653 | DEFAULT_TOOL_BAR_BUTTON_MARGIN has no effect. */ | |
3654 | hmargin = max (0, hmargin - DEFAULT_TOOL_BAR_BUTTON_MARGIN); | |
3655 | vmargin = max (0, vmargin - DEFAULT_TOOL_BAR_BUTTON_MARGIN); | |
c43923ad | 3656 | |
f392e843 JD |
3657 | if (! x->toolbar_widget) |
3658 | xg_create_tool_bar (f); | |
3659 | ||
3660 | gtk_widget_size_request (x->toolbar_widget, &old_req); | |
3661 | ||
3662 | icon_list = gtk_container_get_children (GTK_CONTAINER (x->toolbar_widget)); | |
49853a4d | 3663 | iter = icon_list; |
177c0ea7 | 3664 | |
f392e843 JD |
3665 | for (i = 0; i < f->n_tool_bar_items; ++i) |
3666 | { | |
3667 | #define PROP(IDX) AREF (f->tool_bar_items, i * TOOL_BAR_ITEM_NSLOTS + (IDX)) | |
3668 | ||
3669 | int enabled_p = !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P)); | |
3670 | int selected_p = !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P)); | |
3671 | int idx; | |
3672 | int img_id; | |
3673 | struct image *img; | |
3674 | Lisp_Object image; | |
49853a4d | 3675 | GtkWidget *wicon = iter ? GTK_WIDGET (iter->data) : 0; |
26b74a0b | 3676 | |
49853a4d | 3677 | if (iter) iter = g_list_next (iter); |
f392e843 JD |
3678 | |
3679 | /* If image is a vector, choose the image according to the | |
3680 | button state. */ | |
3681 | image = PROP (TOOL_BAR_ITEM_IMAGES); | |
3682 | if (VECTORP (image)) | |
3683 | { | |
3684 | if (enabled_p) | |
3685 | idx = (selected_p | |
3686 | ? TOOL_BAR_IMAGE_ENABLED_SELECTED | |
3687 | : TOOL_BAR_IMAGE_ENABLED_DESELECTED); | |
3688 | else | |
3689 | idx = (selected_p | |
3690 | ? TOOL_BAR_IMAGE_DISABLED_SELECTED | |
3691 | : TOOL_BAR_IMAGE_DISABLED_DESELECTED); | |
3692 | ||
3693 | xassert (ASIZE (image) >= idx); | |
3694 | image = AREF (image, idx); | |
3695 | } | |
3696 | else | |
3697 | idx = -1; | |
3698 | ||
3699 | /* Ignore invalid image specifications. */ | |
3700 | if (!valid_image_p (image)) | |
3701 | { | |
3702 | if (wicon) gtk_widget_hide (wicon); | |
3703 | continue; | |
3704 | } | |
3705 | ||
3706 | img_id = lookup_image (f, image); | |
3707 | img = IMAGE_FROM_ID (f, img_id); | |
1d1885fc | 3708 | prepare_image_for_display (f, img); |
f392e843 | 3709 | |
1d1885fc JD |
3710 | if (img->load_failed_p || img->pixmap == None) |
3711 | { | |
3712 | if (wicon) gtk_widget_hide (wicon); | |
3713 | continue; | |
3714 | } | |
177c0ea7 | 3715 | |
f392e843 JD |
3716 | if (! wicon) |
3717 | { | |
5b166323 | 3718 | GtkWidget *w = xg_get_image_for_pixmap (f, img, x->widget, NULL); |
cd7cd4ac | 3719 | GtkToolItem *ti = gtk_tool_button_new (w, ""); |
f392e843 | 3720 | |
133c0116 JD |
3721 | gtk_misc_set_padding (GTK_MISC (w), hmargin, vmargin); |
3722 | ||
cd7cd4ac JD |
3723 | gtk_toolbar_insert (GTK_TOOLBAR (x->toolbar_widget), |
3724 | ti, | |
3725 | i); | |
ff59904a | 3726 | /* The EMACS_INT cast avoids a warning. */ |
cd7cd4ac JD |
3727 | g_signal_connect (GTK_WIDGET (ti), "clicked", |
3728 | GTK_SIGNAL_FUNC (xg_tool_bar_callback), | |
3729 | (gpointer) (EMACS_INT) i); | |
3730 | ||
3731 | gtk_widget_show (GTK_WIDGET (ti)); | |
3732 | gtk_widget_show (GTK_WIDGET (w)); | |
177c0ea7 | 3733 | |
f392e843 JD |
3734 | /* Save the image so we can see if an update is needed when |
3735 | this function is called again. */ | |
3736 | g_object_set_data (G_OBJECT (w), XG_TOOL_BAR_IMAGE_DATA, | |
26b74a0b | 3737 | (gpointer)img->pixmap); |
f392e843 | 3738 | |
cd7cd4ac JD |
3739 | g_object_set_data (G_OBJECT (ti), XG_FRAME_DATA, (gpointer)f); |
3740 | ||
f098b121 | 3741 | /* Catch expose events to overcome an annoying redraw bug, see |
3a8a22fc | 3742 | comment for xg_tool_bar_item_expose_callback. */ |
cd7cd4ac | 3743 | g_signal_connect (G_OBJECT (ti), |
f098b121 | 3744 | "expose-event", |
3a8a22fc | 3745 | G_CALLBACK (xg_tool_bar_item_expose_callback), |
f098b121 JD |
3746 | 0); |
3747 | ||
cd7cd4ac JD |
3748 | gtk_widget_set_sensitive (GTK_WIDGET (ti), enabled_p); |
3749 | gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (ti), FALSE); | |
3750 | ||
f392e843 JD |
3751 | while (! GTK_IS_BUTTON (w)) |
3752 | w = gtk_widget_get_parent (w); | |
177c0ea7 | 3753 | |
2334f9e7 JD |
3754 | /* Callback to save modifyer mask (Shift/Control, etc). GTK makes |
3755 | no distinction based on modifiers in the activate callback, | |
3756 | so we have to do it ourselves. */ | |
3757 | g_signal_connect (w, "button-release-event", | |
3758 | GTK_SIGNAL_FUNC (xg_tool_bar_button_cb), | |
3759 | ti); | |
3760 | ||
cd7cd4ac JD |
3761 | g_object_set_data (G_OBJECT (w), XG_FRAME_DATA, (gpointer)f); |
3762 | ||
3763 | /* Use enter/leave notify to show help. We use the events | |
3764 | rather than the GtkButton specific signals "enter" and | |
3765 | "leave", so we can have only one callback. The event | |
3766 | will tell us what kind of event it is. */ | |
3767 | /* The EMACS_INT cast avoids a warning. */ | |
3768 | g_signal_connect (G_OBJECT (w), | |
3769 | "enter-notify-event", | |
3770 | G_CALLBACK (xg_tool_bar_help_callback), | |
3771 | (gpointer) (EMACS_INT) i); | |
3772 | g_signal_connect (G_OBJECT (w), | |
3773 | "leave-notify-event", | |
3774 | G_CALLBACK (xg_tool_bar_help_callback), | |
3775 | (gpointer) (EMACS_INT) i); | |
f392e843 JD |
3776 | } |
3777 | else | |
3778 | { | |
3779 | /* The child of the tool bar is a button. Inside that button | |
3780 | is a vbox. Inside that vbox is the GtkImage. */ | |
3781 | GtkWidget *wvbox = gtk_bin_get_child (GTK_BIN (wicon)); | |
49853a4d JD |
3782 | GList *chlist = gtk_container_get_children (GTK_CONTAINER (wvbox)); |
3783 | GtkImage *wimage = GTK_IMAGE (chlist->data); | |
26b74a0b JD |
3784 | Pixmap old_img = (Pixmap)g_object_get_data (G_OBJECT (wimage), |
3785 | XG_TOOL_BAR_IMAGE_DATA); | |
49853a4d | 3786 | g_list_free (chlist); |
f392e843 | 3787 | |
133c0116 JD |
3788 | gtk_misc_set_padding (GTK_MISC (wimage), hmargin, vmargin); |
3789 | ||
26b74a0b | 3790 | if (old_img != img->pixmap) |
5b166323 | 3791 | (void) xg_get_image_for_pixmap (f, img, x->widget, wimage); |
f392e843 JD |
3792 | |
3793 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_IMAGE_DATA, | |
26b74a0b | 3794 | (gpointer)img->pixmap); |
f392e843 JD |
3795 | |
3796 | gtk_widget_set_sensitive (wicon, enabled_p); | |
3797 | gtk_widget_show (wicon); | |
3798 | } | |
177c0ea7 | 3799 | |
f392e843 JD |
3800 | #undef PROP |
3801 | } | |
3802 | ||
3803 | /* Remove buttons not longer needed. We just hide them so they | |
3804 | can be reused later on. */ | |
49853a4d | 3805 | while (iter) |
f392e843 | 3806 | { |
49853a4d | 3807 | GtkWidget *w = GTK_WIDGET (iter->data); |
f392e843 | 3808 | gtk_widget_hide (w); |
49853a4d | 3809 | iter = g_list_next (iter); |
f392e843 JD |
3810 | } |
3811 | ||
3812 | gtk_widget_size_request (x->toolbar_widget, &new_req); | |
e0910857 JD |
3813 | if (old_req.height != new_req.height |
3814 | && ! FRAME_X_OUTPUT (f)->toolbar_detached) | |
f392e843 JD |
3815 | { |
3816 | FRAME_TOOLBAR_HEIGHT (f) = new_req.height; | |
be786000 | 3817 | xg_resize_outer_widget (f, FRAME_COLS (f), FRAME_LINES (f)); |
f392e843 JD |
3818 | } |
3819 | ||
49853a4d JD |
3820 | if (icon_list) g_list_free (icon_list); |
3821 | ||
f392e843 JD |
3822 | UNBLOCK_INPUT; |
3823 | } | |
3824 | ||
71bacd48 JD |
3825 | /* Deallocate all resources for the tool bar on frame F. |
3826 | Remove the tool bar. */ | |
3827 | ||
f392e843 JD |
3828 | void |
3829 | free_frame_tool_bar (f) | |
3830 | FRAME_PTR f; | |
3831 | { | |
3832 | struct x_output *x = f->output_data.x; | |
3833 | ||
3834 | if (x->toolbar_widget) | |
3835 | { | |
f392e843 JD |
3836 | BLOCK_INPUT; |
3837 | gtk_container_remove (GTK_CONTAINER (x->vbox_widget), | |
3838 | x->handlebox_widget); | |
3839 | x->toolbar_widget = 0; | |
3840 | x->handlebox_widget = 0; | |
3841 | FRAME_TOOLBAR_HEIGHT (f) = 0; | |
3842 | ||
3843 | /* The height has changed, resize outer widget and set columns | |
3844 | rows to what we had before removing the tool bar. */ | |
be786000 | 3845 | xg_resize_outer_widget (f, FRAME_COLS (f), FRAME_LINES (f)); |
f392e843 JD |
3846 | |
3847 | SET_FRAME_GARBAGED (f); | |
3848 | UNBLOCK_INPUT; | |
3849 | } | |
3850 | } | |
3851 | ||
3852 | ||
3853 | \f | |
3854 | /*********************************************************************** | |
3855 | Initializing | |
3856 | ***********************************************************************/ | |
3857 | void | |
3858 | xg_initialize () | |
3859 | { | |
9f6fcdc5 JD |
3860 | GtkBindingSet *binding_set; |
3861 | ||
f392e843 | 3862 | xg_ignore_gtk_scrollbar = 0; |
da18b5ac | 3863 | xg_detached_menus = 0; |
f392e843 JD |
3864 | xg_menu_cb_list.prev = xg_menu_cb_list.next = |
3865 | xg_menu_item_cb_list.prev = xg_menu_item_cb_list.next = 0; | |
3866 | ||
81e302ef JD |
3867 | id_to_widget.max_size = id_to_widget.used = 0; |
3868 | id_to_widget.widgets = 0; | |
3869 | ||
f392e843 JD |
3870 | /* Remove F10 as a menu accelerator, it does not mix well with Emacs key |
3871 | bindings. It doesn't seem to be any way to remove properties, | |
3872 | so we set it to VoidSymbol which in X means "no key". */ | |
3873 | gtk_settings_set_string_property (gtk_settings_get_default (), | |
3874 | "gtk-menu-bar-accel", | |
3875 | "VoidSymbol", | |
3876 | EMACS_CLASS); | |
81e302ef JD |
3877 | |
3878 | /* Make GTK text input widgets use Emacs style keybindings. This is | |
3879 | Emacs after all. */ | |
3880 | gtk_settings_set_string_property (gtk_settings_get_default (), | |
3881 | "gtk-key-theme-name", | |
3882 | "Emacs", | |
3883 | EMACS_CLASS); | |
9f6fcdc5 JD |
3884 | |
3885 | /* Make dialogs close on C-g. Since file dialog inherits from | |
3886 | dialog, this works for them also. */ | |
3887 | binding_set = gtk_binding_set_by_class (gtk_type_class (GTK_TYPE_DIALOG)); | |
3888 | gtk_binding_entry_add_signal (binding_set, GDK_g, GDK_CONTROL_MASK, | |
3889 | "close", 0); | |
3890 | ||
3891 | /* Make menus close on C-g. */ | |
3892 | binding_set = gtk_binding_set_by_class (gtk_type_class (GTK_TYPE_MENU_SHELL)); | |
3893 | gtk_binding_entry_add_signal (binding_set, GDK_g, GDK_CONTROL_MASK, | |
3894 | "cancel", 0); | |
f392e843 JD |
3895 | } |
3896 | ||
3897 | #endif /* USE_GTK */ | |
ab5796a9 MB |
3898 | |
3899 | /* arch-tag: fe7104da-bc1e-4aba-9bd1-f349c528f7e3 | |
3900 | (do not change this comment) */ |