1 | /* GAIL - The GNOME Accessibility Implementation Library |
---|
2 | * Copyright 2001, 2002, 2003 Sun Microsystems Inc. |
---|
3 | * |
---|
4 | * This library is free software; you can redistribute it and/or |
---|
5 | * modify it under the terms of the GNU Lesser General Public |
---|
6 | * License as published by the Free Software Foundation; either |
---|
7 | * version 2 of the License, or (at your option) any later version. |
---|
8 | * |
---|
9 | * This library is distributed in the hope that it will be useful, |
---|
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
12 | * Lesser General Public License for more details. |
---|
13 | * |
---|
14 | * You should have received a copy of the GNU Lesser General Public |
---|
15 | * License along with this library; if not, write to the |
---|
16 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
---|
17 | * Boston, MA 02111-1307, USA. |
---|
18 | */ |
---|
19 | |
---|
20 | #include <stdlib.h> |
---|
21 | #include <string.h> |
---|
22 | #include <gtk/gtk.h> |
---|
23 | #include "gailutil.h" |
---|
24 | #include "gailtoplevel.h" |
---|
25 | #include "gailwindow.h" |
---|
26 | |
---|
27 | static void gail_util_class_init (GailUtilClass *klass); |
---|
28 | |
---|
29 | /* atkutil.h */ |
---|
30 | |
---|
31 | static guint gail_util_add_global_event_listener (GSignalEmissionHook listener, |
---|
32 | const gchar* event_type); |
---|
33 | static void gail_util_remove_global_event_listener (guint remove_listener); |
---|
34 | static guint gail_util_add_key_event_listener (AtkKeySnoopFunc listener, |
---|
35 | gpointer data); |
---|
36 | static void gail_util_remove_key_event_listener (guint remove_listener); |
---|
37 | static AtkObject* gail_util_get_root (void); |
---|
38 | static G_CONST_RETURN gchar *gail_util_get_toolkit_name (void); |
---|
39 | static G_CONST_RETURN gchar *gail_util_get_toolkit_version (void); |
---|
40 | |
---|
41 | /* Misc */ |
---|
42 | |
---|
43 | static void _listener_info_destroy (gpointer data); |
---|
44 | static guint add_listener (GSignalEmissionHook listener, |
---|
45 | const gchar *object_type, |
---|
46 | const gchar *signal, |
---|
47 | const gchar *hook_data); |
---|
48 | static void do_window_event_initialization (void); |
---|
49 | static gboolean state_event_watcher (GSignalInvocationHint *hint, |
---|
50 | guint n_param_values, |
---|
51 | const GValue *param_values, |
---|
52 | gpointer data); |
---|
53 | static void window_added (AtkObject *atk_obj, |
---|
54 | guint index, |
---|
55 | AtkObject *child); |
---|
56 | static void window_removed (AtkObject *atk_obj, |
---|
57 | guint index, |
---|
58 | AtkObject *child); |
---|
59 | static gboolean window_focus (GtkWidget *widget, |
---|
60 | GdkEventFocus *event); |
---|
61 | static gboolean configure_event_watcher (GSignalInvocationHint *hint, |
---|
62 | guint n_param_values, |
---|
63 | const GValue *param_values, |
---|
64 | gpointer data); |
---|
65 | |
---|
66 | |
---|
67 | static AtkObject* root = NULL; |
---|
68 | static GHashTable *listener_list = NULL; |
---|
69 | static gint listener_idx = 1; |
---|
70 | static GHashTable *key_listener_list = NULL; |
---|
71 | static guint key_snooper_id = 0; |
---|
72 | |
---|
73 | typedef struct _GailUtilListenerInfo GailUtilListenerInfo; |
---|
74 | typedef struct _GailKeyEventInfo GailKeyEventInfo; |
---|
75 | |
---|
76 | struct _GailUtilListenerInfo |
---|
77 | { |
---|
78 | gint key; |
---|
79 | guint signal_id; |
---|
80 | gulong hook_id; |
---|
81 | }; |
---|
82 | |
---|
83 | struct _GailKeyEventInfo |
---|
84 | { |
---|
85 | AtkKeyEventStruct *key_event; |
---|
86 | gpointer func_data; |
---|
87 | }; |
---|
88 | |
---|
89 | GType |
---|
90 | gail_util_get_type (void) |
---|
91 | { |
---|
92 | static GType type = 0; |
---|
93 | |
---|
94 | if (!type) |
---|
95 | { |
---|
96 | static const GTypeInfo tinfo = |
---|
97 | { |
---|
98 | sizeof (GailUtilClass), |
---|
99 | (GBaseInitFunc) NULL, /* base init */ |
---|
100 | (GBaseFinalizeFunc) NULL, /* base finalize */ |
---|
101 | (GClassInitFunc) gail_util_class_init, /* class init */ |
---|
102 | (GClassFinalizeFunc) NULL, /* class finalize */ |
---|
103 | NULL, /* class data */ |
---|
104 | sizeof (GailUtil), /* instance size */ |
---|
105 | 0, /* nb preallocs */ |
---|
106 | (GInstanceInitFunc) NULL, /* instance init */ |
---|
107 | NULL /* value table */ |
---|
108 | }; |
---|
109 | |
---|
110 | type = g_type_register_static (ATK_TYPE_UTIL, |
---|
111 | "GailUtil", &tinfo, 0); |
---|
112 | } |
---|
113 | return type; |
---|
114 | } |
---|
115 | |
---|
116 | static void |
---|
117 | gail_util_class_init (GailUtilClass *klass) |
---|
118 | { |
---|
119 | AtkUtilClass *atk_class; |
---|
120 | gpointer data; |
---|
121 | |
---|
122 | data = g_type_class_peek (ATK_TYPE_UTIL); |
---|
123 | atk_class = ATK_UTIL_CLASS (data); |
---|
124 | |
---|
125 | atk_class->add_global_event_listener = |
---|
126 | gail_util_add_global_event_listener; |
---|
127 | atk_class->remove_global_event_listener = |
---|
128 | gail_util_remove_global_event_listener; |
---|
129 | atk_class->add_key_event_listener = |
---|
130 | gail_util_add_key_event_listener; |
---|
131 | atk_class->remove_key_event_listener = |
---|
132 | gail_util_remove_key_event_listener; |
---|
133 | atk_class->get_root = gail_util_get_root; |
---|
134 | atk_class->get_toolkit_name = gail_util_get_toolkit_name; |
---|
135 | atk_class->get_toolkit_version = gail_util_get_toolkit_version; |
---|
136 | |
---|
137 | listener_list = g_hash_table_new_full(g_int_hash, g_int_equal, NULL, |
---|
138 | _listener_info_destroy); |
---|
139 | } |
---|
140 | |
---|
141 | static guint |
---|
142 | gail_util_add_global_event_listener (GSignalEmissionHook listener, |
---|
143 | const gchar *event_type) |
---|
144 | { |
---|
145 | guint rc = 0; |
---|
146 | gchar **split_string; |
---|
147 | |
---|
148 | split_string = g_strsplit (event_type, ":", 3); |
---|
149 | |
---|
150 | if (split_string) |
---|
151 | { |
---|
152 | if (!strcmp ("window", split_string[0])) |
---|
153 | { |
---|
154 | static gboolean initialized = FALSE; |
---|
155 | |
---|
156 | if (!initialized) |
---|
157 | { |
---|
158 | do_window_event_initialization (); |
---|
159 | initialized = TRUE; |
---|
160 | } |
---|
161 | rc = add_listener (listener, "GailWindow", split_string[1], event_type); |
---|
162 | } |
---|
163 | else |
---|
164 | { |
---|
165 | rc = add_listener (listener, split_string[1], split_string[2], event_type); |
---|
166 | } |
---|
167 | |
---|
168 | g_strfreev (split_string); |
---|
169 | } |
---|
170 | |
---|
171 | return rc; |
---|
172 | } |
---|
173 | |
---|
174 | static void |
---|
175 | gail_util_remove_global_event_listener (guint remove_listener) |
---|
176 | { |
---|
177 | if (remove_listener > 0) |
---|
178 | { |
---|
179 | GailUtilListenerInfo *listener_info; |
---|
180 | gint tmp_idx = remove_listener; |
---|
181 | |
---|
182 | listener_info = (GailUtilListenerInfo *) |
---|
183 | g_hash_table_lookup(listener_list, &tmp_idx); |
---|
184 | |
---|
185 | if (listener_info != NULL) |
---|
186 | { |
---|
187 | /* Hook id of 0 and signal id of 0 are invalid */ |
---|
188 | if (listener_info->hook_id != 0 && listener_info->signal_id != 0) |
---|
189 | { |
---|
190 | /* Remove the emission hook */ |
---|
191 | g_signal_remove_emission_hook(listener_info->signal_id, |
---|
192 | listener_info->hook_id); |
---|
193 | |
---|
194 | /* Remove the element from the hash */ |
---|
195 | g_hash_table_remove(listener_list, &tmp_idx); |
---|
196 | } |
---|
197 | else |
---|
198 | { |
---|
199 | g_warning("Invalid listener hook_id %ld or signal_id %d\n", |
---|
200 | listener_info->hook_id, listener_info->signal_id); |
---|
201 | } |
---|
202 | } |
---|
203 | else |
---|
204 | { |
---|
205 | g_warning("No listener with the specified listener id %d", |
---|
206 | remove_listener); |
---|
207 | } |
---|
208 | } |
---|
209 | else |
---|
210 | { |
---|
211 | g_warning("Invalid listener_id %d", remove_listener); |
---|
212 | } |
---|
213 | } |
---|
214 | |
---|
215 | |
---|
216 | static |
---|
217 | AtkKeyEventStruct * |
---|
218 | atk_key_event_from_gdk_event_key (GdkEventKey *key) |
---|
219 | { |
---|
220 | AtkKeyEventStruct *event = g_new0 (AtkKeyEventStruct, 1); |
---|
221 | switch (key->type) |
---|
222 | { |
---|
223 | case GDK_KEY_PRESS: |
---|
224 | event->type = ATK_KEY_EVENT_PRESS; |
---|
225 | break; |
---|
226 | case GDK_KEY_RELEASE: |
---|
227 | event->type = ATK_KEY_EVENT_RELEASE; |
---|
228 | break; |
---|
229 | default: |
---|
230 | g_assert_not_reached (); |
---|
231 | return NULL; |
---|
232 | } |
---|
233 | event->state = key->state; |
---|
234 | event->keyval = key->keyval; |
---|
235 | event->length = key->length; |
---|
236 | if (key->string && key->string [0] && |
---|
237 | (key->state & GDK_CONTROL_MASK || |
---|
238 | g_unichar_isgraph (g_utf8_get_char (key->string)))) |
---|
239 | { |
---|
240 | event->string = key->string; |
---|
241 | } |
---|
242 | else if (key->type == GDK_KEY_PRESS || |
---|
243 | key->type == GDK_KEY_RELEASE) |
---|
244 | { |
---|
245 | event->string = gdk_keyval_name (key->keyval); |
---|
246 | } |
---|
247 | event->keycode = key->hardware_keycode; |
---|
248 | event->timestamp = key->time; |
---|
249 | #ifdef GAIL_DEBUG |
---|
250 | g_print ("GailKey:\tsym %u\n\tmods %x\n\tcode %u\n\ttime %lx\n", |
---|
251 | (unsigned int) event->keyval, |
---|
252 | (unsigned int) event->state, |
---|
253 | (unsigned int) event->keycode, |
---|
254 | (unsigned long int) event->timestamp); |
---|
255 | #endif |
---|
256 | return event; |
---|
257 | } |
---|
258 | |
---|
259 | static gboolean |
---|
260 | notify_hf (gpointer key, gpointer value, gpointer data) |
---|
261 | { |
---|
262 | GailKeyEventInfo *info = (GailKeyEventInfo *) data; |
---|
263 | return (*(AtkKeySnoopFunc) value) (info->key_event, info->func_data) ? TRUE : FALSE; |
---|
264 | } |
---|
265 | |
---|
266 | static void |
---|
267 | insert_hf (gpointer key, gpointer value, gpointer data) |
---|
268 | { |
---|
269 | GHashTable *new_table = (GHashTable *) data; |
---|
270 | g_hash_table_insert (new_table, key, value); |
---|
271 | } |
---|
272 | |
---|
273 | static gint |
---|
274 | gail_key_snooper (GtkWidget *the_widget, GdkEventKey *event, gpointer func_data) |
---|
275 | { |
---|
276 | /* notify each AtkKeySnoopFunc in turn... */ |
---|
277 | GailKeyEventInfo *info = g_new0 (GailKeyEventInfo, 1); |
---|
278 | gint consumed = 0; |
---|
279 | if (key_listener_list) |
---|
280 | { |
---|
281 | GHashTable *new_hash = g_hash_table_new (NULL, NULL); |
---|
282 | g_hash_table_foreach (key_listener_list, insert_hf, new_hash); |
---|
283 | info->key_event = atk_key_event_from_gdk_event_key (event); |
---|
284 | info->func_data = func_data; |
---|
285 | consumed = g_hash_table_foreach_steal (new_hash, notify_hf, info); |
---|
286 | g_hash_table_destroy (new_hash); |
---|
287 | } |
---|
288 | g_free (info->key_event); |
---|
289 | g_free (info); |
---|
290 | return (consumed ? 1 : 0); |
---|
291 | } |
---|
292 | |
---|
293 | static guint |
---|
294 | gail_util_add_key_event_listener (AtkKeySnoopFunc listener, |
---|
295 | gpointer data) |
---|
296 | { |
---|
297 | static guint key=0; |
---|
298 | if (!key_listener_list) |
---|
299 | { |
---|
300 | key_listener_list = g_hash_table_new (NULL, NULL); |
---|
301 | key_snooper_id = gtk_key_snooper_install (gail_key_snooper, data); |
---|
302 | } |
---|
303 | g_hash_table_insert (key_listener_list, GUINT_TO_POINTER (key++), (gpointer) listener); |
---|
304 | /* XXX: we don't check to see if n_listeners > MAXUINT */ |
---|
305 | return key; |
---|
306 | } |
---|
307 | |
---|
308 | static void |
---|
309 | gail_util_remove_key_event_listener (guint remove_listener) |
---|
310 | { |
---|
311 | g_hash_table_remove (key_listener_list, GUINT_TO_POINTER (remove_listener)); |
---|
312 | if (g_hash_table_size (key_listener_list) == 0) |
---|
313 | { |
---|
314 | gtk_key_snooper_remove (key_snooper_id); |
---|
315 | } |
---|
316 | } |
---|
317 | |
---|
318 | static AtkObject* |
---|
319 | gail_util_get_root (void) |
---|
320 | { |
---|
321 | if (!root) |
---|
322 | root = gail_toplevel_new(); |
---|
323 | |
---|
324 | return root; |
---|
325 | } |
---|
326 | |
---|
327 | static G_CONST_RETURN gchar * |
---|
328 | gail_util_get_toolkit_name (void) |
---|
329 | { |
---|
330 | return "GAIL"; |
---|
331 | } |
---|
332 | |
---|
333 | static G_CONST_RETURN gchar * |
---|
334 | gail_util_get_toolkit_version (void) |
---|
335 | { |
---|
336 | /* |
---|
337 | * Version is passed in as a -D flag when this file is |
---|
338 | * compiled. |
---|
339 | */ |
---|
340 | return VERSION; |
---|
341 | } |
---|
342 | |
---|
343 | static void |
---|
344 | _listener_info_destroy (gpointer data) |
---|
345 | { |
---|
346 | free(data); |
---|
347 | } |
---|
348 | |
---|
349 | static guint |
---|
350 | add_listener (GSignalEmissionHook listener, |
---|
351 | const gchar *object_type, |
---|
352 | const gchar *signal, |
---|
353 | const gchar *hook_data) |
---|
354 | { |
---|
355 | GType type; |
---|
356 | guint signal_id; |
---|
357 | gint rc = 0; |
---|
358 | |
---|
359 | type = g_type_from_name (object_type); |
---|
360 | if (type) |
---|
361 | { |
---|
362 | signal_id = g_signal_lookup (signal, type); |
---|
363 | if (signal_id > 0) |
---|
364 | { |
---|
365 | GailUtilListenerInfo *listener_info; |
---|
366 | |
---|
367 | rc = listener_idx; |
---|
368 | |
---|
369 | listener_info = g_malloc(sizeof(GailUtilListenerInfo)); |
---|
370 | listener_info->key = listener_idx; |
---|
371 | listener_info->hook_id = |
---|
372 | g_signal_add_emission_hook (signal_id, 0, listener, |
---|
373 | g_strdup (hook_data), |
---|
374 | (GDestroyNotify) g_free); |
---|
375 | listener_info->signal_id = signal_id; |
---|
376 | |
---|
377 | g_hash_table_insert(listener_list, &(listener_info->key), listener_info); |
---|
378 | listener_idx++; |
---|
379 | } |
---|
380 | else |
---|
381 | { |
---|
382 | g_warning("Invalid signal type %s\n", signal); |
---|
383 | } |
---|
384 | } |
---|
385 | else |
---|
386 | { |
---|
387 | g_warning("Invalid object type %s\n", object_type); |
---|
388 | } |
---|
389 | return rc; |
---|
390 | } |
---|
391 | |
---|
392 | static void |
---|
393 | do_window_event_initialization (void) |
---|
394 | { |
---|
395 | AtkObject *root; |
---|
396 | |
---|
397 | /* |
---|
398 | * Ensure that GailWindowClass exists. |
---|
399 | */ |
---|
400 | g_type_class_ref (GAIL_TYPE_WINDOW); |
---|
401 | g_signal_add_emission_hook (g_signal_lookup ("window-state-event", GTK_TYPE_WIDGET), |
---|
402 | 0, state_event_watcher, NULL, (GDestroyNotify) NULL); |
---|
403 | g_signal_add_emission_hook (g_signal_lookup ("configure-event", GTK_TYPE_WIDGET), |
---|
404 | 0, configure_event_watcher, NULL, (GDestroyNotify) NULL); |
---|
405 | |
---|
406 | root = atk_get_root (); |
---|
407 | g_signal_connect (root, "children-changed::add", |
---|
408 | (GCallback) window_added, NULL); |
---|
409 | g_signal_connect (root, "children-changed::remove", |
---|
410 | (GCallback) window_removed, NULL); |
---|
411 | } |
---|
412 | |
---|
413 | static gboolean |
---|
414 | state_event_watcher (GSignalInvocationHint *hint, |
---|
415 | guint n_param_values, |
---|
416 | const GValue *param_values, |
---|
417 | gpointer data) |
---|
418 | { |
---|
419 | GObject *object; |
---|
420 | GtkWidget *widget; |
---|
421 | AtkObject *atk_obj; |
---|
422 | AtkObject *parent; |
---|
423 | GdkEventWindowState *event; |
---|
424 | gchar *signal_name; |
---|
425 | guint signal_id; |
---|
426 | |
---|
427 | object = g_value_get_object (param_values + 0); |
---|
428 | /* |
---|
429 | * The object can be a GtkMenu when it is popped up; we ignore this |
---|
430 | */ |
---|
431 | if (!GTK_IS_WINDOW (object)) |
---|
432 | return FALSE; |
---|
433 | |
---|
434 | event = g_value_get_boxed (param_values + 1); |
---|
435 | g_return_val_if_fail (event->type == GDK_WINDOW_STATE, FALSE); |
---|
436 | widget = GTK_WIDGET (object); |
---|
437 | |
---|
438 | if (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED) |
---|
439 | { |
---|
440 | signal_name = "maximize"; |
---|
441 | } |
---|
442 | else if (event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) |
---|
443 | { |
---|
444 | signal_name = "minimize"; |
---|
445 | } |
---|
446 | else if (event->new_window_state == 0) |
---|
447 | { |
---|
448 | signal_name = "restore"; |
---|
449 | } |
---|
450 | else |
---|
451 | return TRUE; |
---|
452 | |
---|
453 | atk_obj = gtk_widget_get_accessible (widget); |
---|
454 | g_return_val_if_fail (GAIL_IS_WINDOW (atk_obj), FALSE); |
---|
455 | parent = atk_object_get_parent (atk_obj); |
---|
456 | if (parent == atk_get_root ()) |
---|
457 | { |
---|
458 | signal_id = g_signal_lookup (signal_name, GAIL_TYPE_WINDOW); |
---|
459 | g_signal_emit (atk_obj, signal_id, 0); |
---|
460 | } |
---|
461 | |
---|
462 | return TRUE; |
---|
463 | } |
---|
464 | |
---|
465 | static void |
---|
466 | window_added (AtkObject *atk_obj, |
---|
467 | guint index, |
---|
468 | AtkObject *child) |
---|
469 | { |
---|
470 | GtkWidget *widget; |
---|
471 | |
---|
472 | g_return_if_fail (GAIL_IS_WINDOW (child)); |
---|
473 | |
---|
474 | widget = GTK_ACCESSIBLE (child)->widget; |
---|
475 | g_return_if_fail (widget); |
---|
476 | |
---|
477 | g_signal_connect (widget, "focus-in-event", |
---|
478 | (GCallback) window_focus, NULL); |
---|
479 | g_signal_connect (widget, "focus-out-event", |
---|
480 | (GCallback) window_focus, NULL); |
---|
481 | g_signal_emit (child, g_signal_lookup ("create", GAIL_TYPE_WINDOW), 0); |
---|
482 | } |
---|
483 | |
---|
484 | |
---|
485 | static void |
---|
486 | window_removed (AtkObject *atk_obj, |
---|
487 | guint index, |
---|
488 | AtkObject *child) |
---|
489 | { |
---|
490 | GtkWidget *widget; |
---|
491 | GtkWindow *window; |
---|
492 | |
---|
493 | g_return_if_fail (GAIL_IS_WINDOW (child)); |
---|
494 | |
---|
495 | widget = GTK_ACCESSIBLE (child)->widget; |
---|
496 | g_return_if_fail (widget); |
---|
497 | |
---|
498 | window = GTK_WINDOW (widget); |
---|
499 | /* |
---|
500 | * Deactivate window if it is still focused and we are removing it. This |
---|
501 | * can happen when a dialog displayed by gok is removed. |
---|
502 | */ |
---|
503 | if (window->is_active && |
---|
504 | window->has_toplevel_focus) |
---|
505 | { |
---|
506 | gchar *signal_name; |
---|
507 | AtkObject *atk_obj; |
---|
508 | |
---|
509 | atk_obj = gtk_widget_get_accessible (widget); |
---|
510 | signal_name = "deactivate"; |
---|
511 | g_signal_emit (atk_obj, g_signal_lookup (signal_name, GAIL_TYPE_WINDOW), 0); |
---|
512 | } |
---|
513 | |
---|
514 | g_signal_handlers_disconnect_by_func (widget, (gpointer) window_focus, NULL); |
---|
515 | g_signal_emit (child, g_signal_lookup ("destroy", GAIL_TYPE_WINDOW), 0); |
---|
516 | } |
---|
517 | |
---|
518 | static gboolean |
---|
519 | window_focus (GtkWidget *widget, |
---|
520 | GdkEventFocus *event) |
---|
521 | { |
---|
522 | gchar *signal_name; |
---|
523 | AtkObject *atk_obj; |
---|
524 | |
---|
525 | g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); |
---|
526 | |
---|
527 | atk_obj = gtk_widget_get_accessible (widget); |
---|
528 | signal_name = (event->in) ? "activate" : "deactivate"; |
---|
529 | g_signal_emit (atk_obj, g_signal_lookup (signal_name, GAIL_TYPE_WINDOW), 0); |
---|
530 | |
---|
531 | return FALSE; |
---|
532 | } |
---|
533 | |
---|
534 | static gboolean |
---|
535 | configure_event_watcher (GSignalInvocationHint *hint, |
---|
536 | guint n_param_values, |
---|
537 | const GValue *param_values, |
---|
538 | gpointer data) |
---|
539 | { |
---|
540 | GObject *object; |
---|
541 | GtkWidget *widget; |
---|
542 | AtkObject *atk_obj; |
---|
543 | AtkObject *parent; |
---|
544 | GdkEvent *event; |
---|
545 | gchar *signal_name; |
---|
546 | guint signal_id; |
---|
547 | |
---|
548 | object = g_value_get_object (param_values + 0); |
---|
549 | if (!GTK_IS_WINDOW (object)) |
---|
550 | /* |
---|
551 | * GtkDrawingArea can send a GDK_CONFIGURE event but we ignore here |
---|
552 | */ |
---|
553 | return FALSE; |
---|
554 | |
---|
555 | event = g_value_get_boxed (param_values + 1); |
---|
556 | if (event->type != GDK_CONFIGURE) |
---|
557 | return FALSE; |
---|
558 | if (GTK_WINDOW (object)->configure_request_count) |
---|
559 | /* |
---|
560 | * There is another ConfigureRequest pending so we ignore this one. |
---|
561 | */ |
---|
562 | return TRUE; |
---|
563 | widget = GTK_WIDGET (object); |
---|
564 | if (widget->allocation.x == ((GdkEventConfigure *)event)->x && |
---|
565 | widget->allocation.y == ((GdkEventConfigure *)event)->y && |
---|
566 | widget->allocation.width == ((GdkEventConfigure *)event)->width && |
---|
567 | widget->allocation.height == ((GdkEventConfigure *)event)->height) |
---|
568 | return TRUE; |
---|
569 | |
---|
570 | if (widget->allocation.width != ((GdkEventConfigure *)event)->width || |
---|
571 | widget->allocation.height != ((GdkEventConfigure *)event)->height) |
---|
572 | { |
---|
573 | signal_name = "resize"; |
---|
574 | } |
---|
575 | else |
---|
576 | { |
---|
577 | signal_name = "move"; |
---|
578 | } |
---|
579 | |
---|
580 | atk_obj = gtk_widget_get_accessible (widget); |
---|
581 | g_return_val_if_fail (GAIL_IS_WINDOW (atk_obj), FALSE); |
---|
582 | parent = atk_object_get_parent (atk_obj); |
---|
583 | if (parent == atk_get_root ()) |
---|
584 | { |
---|
585 | signal_id = g_signal_lookup (signal_name, GAIL_TYPE_WINDOW); |
---|
586 | g_signal_emit (atk_obj, signal_id, 0); |
---|
587 | } |
---|
588 | |
---|
589 | return TRUE; |
---|
590 | } |
---|