1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * GtkAccelGroup: Accelerator manager for GtkObjects.
5 * Copyright (C) 1998 Tim Janik
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
24 #include "gtkaccelgroup.h"
25 #include "gdk/gdkkeysyms.h"
26 #include "gtksignal.h"
27 #include "gtkwidget.h"
31 typedef void (*GtkSignalAddAccelerator) (GtkObject *object,
32 guint accel_signal_id,
33 GtkAccelGroup *accel_group,
35 GdkModifierType accel_mods,
36 GtkAccelFlags accel_flags,
38 typedef void (*GtkSignalRemoveAccelerator) (GtkObject *object,
39 GtkAccelGroup *accel_group,
41 GdkModifierType accel_mods,
44 /* --- variables --- */
45 static GtkAccelGroup *default_accel_group = NULL;
46 static guint default_accel_mod_mask = (GDK_SHIFT_MASK |
49 static const gchar *accel_groups_key = "gtk-accel-groups";
50 static guint accel_groups_key_id = 0;
51 static const gchar *accel_entries_key = "gtk-accel-entries";
52 static guint accel_entries_key_id = 0;
53 static GHashTable *accel_entry_hash_table = NULL;
54 static GMemChunk *accel_tables_mem_chunk = NULL;
55 static GMemChunk *accel_entries_mem_chunk = NULL;
58 /* --- functions --- */
60 gtk_accel_entries_equal (gconstpointer a,
63 const GtkAccelEntry *e1;
64 const GtkAccelEntry *e2;
69 return ((e1->accel_group == e2->accel_group) &&
70 (e1->accelerator_key == e2->accelerator_key) &&
71 (e1->accelerator_mods == e2->accelerator_mods));
75 gtk_accel_entries_hash (gconstpointer a)
77 const GtkAccelEntry *e;
82 h = (gulong) e->accel_group;
83 h ^= e->accelerator_key << 16;
84 h ^= e->accelerator_key >> 16;
85 h ^= e->accelerator_mods;
91 gtk_accel_group_new (void)
93 GtkAccelGroup *accel_group;
95 if (!accel_groups_key_id)
97 accel_groups_key_id = g_quark_from_static_string (accel_groups_key);
98 accel_entries_key_id = g_quark_from_static_string (accel_entries_key);
100 accel_entry_hash_table = g_hash_table_new (gtk_accel_entries_hash,
101 gtk_accel_entries_equal);
103 accel_tables_mem_chunk = g_mem_chunk_create (GtkAccelGroup, 8, G_ALLOC_AND_FREE);
104 accel_entries_mem_chunk = g_mem_chunk_create (GtkAccelEntry, 64, G_ALLOC_AND_FREE);
107 accel_group = g_chunk_new (GtkAccelGroup, accel_tables_mem_chunk);
109 accel_group->ref_count = 1;
110 accel_group->lock_count = 0;
111 accel_group->modifier_mask = gtk_accelerator_get_default_mod_mask ();
112 accel_group->attach_objects = NULL;
118 gtk_accel_group_get_default (void)
120 if (!default_accel_group)
121 default_accel_group = gtk_accel_group_new ();
123 return default_accel_group;
127 gtk_accel_group_ref (GtkAccelGroup *accel_group)
129 g_return_val_if_fail (accel_group != NULL, NULL);
131 accel_group->ref_count += 1;
137 gtk_accel_group_unref (GtkAccelGroup *accel_group)
139 g_return_if_fail (accel_group != NULL);
140 g_return_if_fail (accel_group->ref_count > 0);
142 accel_group->ref_count -= 1;
143 if (accel_group->ref_count == 0)
145 g_return_if_fail (accel_group != default_accel_group);
146 g_return_if_fail (accel_group->attach_objects == NULL);
148 g_chunk_free (accel_group, accel_tables_mem_chunk);
153 gtk_accel_group_object_destroy (GtkObject *object)
155 GSList *free_list, *slist;
157 free_list = gtk_object_get_data_by_id (object, accel_groups_key_id);
158 gtk_object_set_data_by_id (object, accel_groups_key_id, NULL);
160 for (slist = free_list; slist; slist = slist->next)
162 GtkAccelGroup *accel_group;
164 accel_group = slist->data;
165 accel_group->attach_objects = g_slist_remove (accel_group->attach_objects, object);
166 gtk_accel_group_unref (accel_group);
168 g_slist_free (free_list);
172 gtk_accel_group_attach (GtkAccelGroup *accel_group,
177 g_return_if_fail (accel_group != NULL);
178 g_return_if_fail (object != NULL);
179 g_return_if_fail (GTK_IS_OBJECT (object));
180 g_return_if_fail (g_slist_find (accel_group->attach_objects, object) == NULL);
182 accel_group->attach_objects = g_slist_prepend (accel_group->attach_objects, object);
183 gtk_accel_group_ref (accel_group);
184 slist = gtk_object_get_data_by_id (object, accel_groups_key_id);
186 gtk_signal_connect (object,
188 GTK_SIGNAL_FUNC (gtk_accel_group_object_destroy),
190 slist = g_slist_prepend (slist, accel_group);
191 gtk_object_set_data_by_id (object, accel_groups_key_id, slist);
195 gtk_accel_group_detach (GtkAccelGroup *accel_group,
200 g_return_if_fail (accel_group != NULL);
201 g_return_if_fail (object != NULL);
202 g_return_if_fail (GTK_IS_OBJECT (object));
203 g_return_if_fail (g_slist_find (accel_group->attach_objects, object) != NULL);
205 accel_group->attach_objects = g_slist_remove (accel_group->attach_objects, object);
206 gtk_accel_group_unref (accel_group);
207 slist = gtk_object_get_data_by_id (object, accel_groups_key_id);
208 slist = g_slist_remove (slist, accel_group);
210 gtk_signal_disconnect_by_func (object,
211 GTK_SIGNAL_FUNC (gtk_accel_group_object_destroy),
213 gtk_object_set_data_by_id (object, accel_groups_key_id, slist);
217 gtk_accel_group_lock (GtkAccelGroup *accel_group)
219 g_return_if_fail (accel_group != NULL);
221 accel_group->lock_count += 1;
225 gtk_accel_group_unlock (GtkAccelGroup *accel_group)
227 g_return_if_fail (accel_group != NULL);
229 if (accel_group->lock_count)
230 accel_group->lock_count -= 1;
233 static GtkAccelEntry*
234 gtk_accel_group_lookup (GtkAccelGroup *accel_group,
236 GdkModifierType accel_mods)
238 GtkAccelEntry key_entry = { 0 };
240 key_entry.accel_group = accel_group;
241 key_entry.accelerator_key = gdk_keyval_to_lower (accel_key);
242 key_entry.accelerator_mods = accel_mods & accel_group->modifier_mask;
244 return g_hash_table_lookup (accel_entry_hash_table, &key_entry);
248 gtk_accel_group_activate (GtkAccelGroup *accel_group,
250 GdkModifierType accel_mods)
252 GtkAccelEntry *entry;
254 g_return_val_if_fail (accel_group != NULL, FALSE);
256 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
257 if (entry && entry->signal_id)
259 gtk_signal_emit (entry->object, entry->signal_id);
266 gtk_accel_groups_activate (GtkObject *object,
268 GdkModifierType accel_mods)
270 g_return_val_if_fail (object != NULL, FALSE);
271 g_return_val_if_fail (GTK_IS_OBJECT (object), FALSE);
273 if (gtk_accelerator_valid (accel_key, accel_mods))
277 for (slist = gtk_accel_groups_from_object (object); slist; slist = slist->next)
278 if (gtk_accel_group_activate (slist->data, accel_key, accel_mods))
280 return gtk_accel_group_activate (gtk_accel_group_get_default (), accel_key, accel_mods);
287 gtk_accel_group_lock_entry (GtkAccelGroup *accel_group,
289 GdkModifierType accel_mods)
291 GtkAccelEntry *entry;
293 g_return_if_fail (accel_group != NULL);
295 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
297 entry->accel_flags |= GTK_ACCEL_LOCKED;
301 gtk_accel_group_unlock_entry (GtkAccelGroup *accel_group,
303 GdkModifierType accel_mods)
305 GtkAccelEntry *entry;
307 g_return_if_fail (accel_group != NULL);
309 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
311 entry->accel_flags &= ~GTK_ACCEL_LOCKED;
315 gtk_accel_group_get_entry (GtkAccelGroup *accel_group,
317 GdkModifierType accel_mods)
319 g_return_val_if_fail (accel_group != NULL, 0);
321 return gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
325 gtk_accel_group_add (GtkAccelGroup *accel_group,
327 GdkModifierType accel_mods,
328 GtkAccelFlags accel_flags,
330 const gchar *accel_signal)
332 guint accel_signal_id = 0;
333 guint add_accelerator_signal_id = 0;
334 guint remove_accelerator_signal_id = 0;
336 GtkSignalQuery *query;
339 GSList *attach_objects;
340 GtkAccelEntry *entry;
342 g_return_if_fail (accel_group != NULL);
343 g_return_if_fail (object != NULL);
344 g_return_if_fail (GTK_IS_OBJECT (object));
345 g_return_if_fail (accel_signal != NULL);
347 /* check for required signals in the objects branch
349 signal = (gchar*) accel_signal;
350 accel_signal_id = gtk_signal_lookup (signal, GTK_OBJECT_TYPE (object));
353 signal = "add-accelerator";
354 add_accelerator_signal_id = gtk_signal_lookup (signal, GTK_OBJECT_TYPE (object));
356 if (add_accelerator_signal_id)
358 signal = "remove-accelerator";
359 remove_accelerator_signal_id = gtk_signal_lookup (signal, GTK_OBJECT_TYPE (object));
361 if (!accel_signal_id ||
362 !add_accelerator_signal_id ||
363 !remove_accelerator_signal_id)
365 g_warning ("gtk_accel_group_add(): could not find signal \"%s\""
366 "in the `%s' class ancestry",
368 gtk_type_name (GTK_OBJECT_TYPE (object)));
371 query = gtk_signal_query (accel_signal_id);
375 g_warning ("gtk_accel_group_add(): signal \"%s\" in the `%s' class ancestry"
376 "cannot be used as accelerator signal",
378 gtk_type_name (GTK_OBJECT_TYPE (object)));
384 /* prematurely abort if the group/entry is already locked
386 if (accel_group->lock_count > 0)
388 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
389 if (entry && entry->accel_flags & GTK_ACCEL_LOCKED)
392 /* make sure our structures stay alive
394 gtk_accel_group_ref (accel_group);
395 gtk_object_ref (object);
397 /* remove an existing entry
400 gtk_signal_emit (entry->object, remove_accelerator_signal_id,
402 gdk_keyval_to_lower (accel_key),
403 accel_mods & accel_group->modifier_mask);
405 /* abort if the entry still exists
407 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
410 gtk_accel_group_unref (accel_group);
411 gtk_object_unref (object);
416 /* collect accel groups and remove existing entries
418 attach_objects = accel_group->attach_objects;
420 for (attach_objects = accel_group->attach_objects; attach_objects; attach_objects = attach_objects->next)
424 tmp_groups = gtk_object_get_data_by_id (attach_objects->data, accel_groups_key_id);
427 groups = g_slist_prepend (groups, tmp_groups->data);
428 gtk_accel_group_ref (tmp_groups->data);
429 tmp_groups = tmp_groups->next;
432 for (slist = groups; slist; slist = slist->next)
434 GtkAccelGroup *tmp_group;
436 tmp_group = slist->data;
438 /* we only remove the accelerator if neccessary
440 if (tmp_group->lock_count == 0)
442 entry = gtk_accel_group_lookup (tmp_group, accel_key, accel_mods);
443 if (entry && !(entry->accel_flags & GTK_ACCEL_LOCKED))
444 gtk_signal_emit (entry->object, remove_accelerator_signal_id,
446 gdk_keyval_to_lower (accel_key),
447 accel_mods & tmp_group->modifier_mask);
449 gtk_accel_group_unref (tmp_group);
451 g_slist_free (groups);
453 /* now install the new accelerator
455 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
457 gtk_signal_emit (object, add_accelerator_signal_id,
460 gdk_keyval_to_lower (accel_key),
461 accel_mods & accel_group->modifier_mask,
462 accel_flags & GTK_ACCEL_MASK);
464 /* and release the structures again
466 gtk_accel_group_unref (accel_group);
467 gtk_object_unref (object);
471 gtk_accel_group_delete_entries (GtkObject *object)
473 GSList *free_slist, *slist;
475 gtk_signal_disconnect_by_func (object,
476 GTK_SIGNAL_FUNC (gtk_accel_group_delete_entries),
479 /* we remove all entries of this object the hard
480 * way (i.e. without signal emission).
482 free_slist = gtk_object_get_data_by_id (object, accel_entries_key_id);
483 gtk_object_set_data_by_id (object, accel_entries_key_id, NULL);
484 for (slist = free_slist; slist; slist = slist->next)
486 GtkAccelEntry *entry;
490 g_hash_table_remove (accel_entry_hash_table, entry);
491 gtk_accel_group_unref (entry->accel_group);
492 g_chunk_free (entry, accel_entries_mem_chunk);
494 g_slist_free (free_slist);
498 gtk_accel_group_handle_add (GtkObject *object,
499 guint accel_signal_id,
500 GtkAccelGroup *accel_group,
502 GdkModifierType accel_mods,
503 GtkAccelFlags accel_flags)
505 GtkAccelEntry *entry;
507 g_return_if_fail (object != NULL);
508 g_return_if_fail (GTK_IS_OBJECT (object));
509 g_return_if_fail (accel_group != NULL);
510 g_return_if_fail (accel_signal_id > 0);
512 if (!gtk_accelerator_valid (accel_key, accel_mods))
515 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
520 gtk_accel_group_ref (accel_group);
522 entry = g_chunk_new (GtkAccelEntry, accel_entries_mem_chunk);
523 entry->accel_group = accel_group;
524 entry->accelerator_key = gdk_keyval_to_lower (accel_key);
525 entry->accelerator_mods = accel_mods & accel_group->modifier_mask;
526 entry->accel_flags = accel_flags & GTK_ACCEL_MASK;
527 entry->object = object;
528 entry->signal_id = accel_signal_id;
530 g_hash_table_insert (accel_entry_hash_table, entry, entry);
532 slist = gtk_object_get_data_by_id (object, accel_entries_key_id);
534 gtk_signal_connect (object,
536 GTK_SIGNAL_FUNC (gtk_accel_group_delete_entries),
538 slist = g_slist_prepend (slist, entry);
539 gtk_object_set_data_by_id (object, accel_entries_key_id, slist);
544 gtk_accel_group_remove (GtkAccelGroup *accel_group,
546 GdkModifierType accel_mods,
549 GtkAccelEntry *entry;
550 guint remove_accelerator_signal_id = 0;
552 g_return_if_fail (accel_group != NULL);
553 g_return_if_fail (object != NULL);
554 g_return_if_fail (GTK_IS_OBJECT (object));
556 /* check for required signals in the objects branch
558 remove_accelerator_signal_id = gtk_signal_lookup ("remove-accelerator", GTK_OBJECT_TYPE (object));
559 if (!remove_accelerator_signal_id)
561 g_warning ("gtk_accel_group_remove(): could not find signal \"%s\""
562 "in the `%s' class ancestry",
563 "remove-accelerator",
564 gtk_type_name (GTK_OBJECT_TYPE (object)));
568 /* prematurely abort if the entry is locked
570 if (accel_group->lock_count > 0)
572 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
574 entry->accel_flags & GTK_ACCEL_LOCKED)
576 if (entry->object != object)
578 g_warning ("gtk_accel_group_remove(): invalid object reference for accel-group entry");
582 /* make sure our structures stay alive
584 gtk_accel_group_ref (accel_group);
585 gtk_object_ref (object);
589 gtk_signal_emit (entry->object, remove_accelerator_signal_id,
591 gdk_keyval_to_lower (accel_key),
592 accel_mods & accel_group->modifier_mask);
594 /* and release the structures again
596 gtk_accel_group_unref (accel_group);
597 gtk_object_unref (object);
601 gtk_accel_group_handle_remove (GtkObject *object,
602 GtkAccelGroup *accel_group,
604 GdkModifierType accel_mods)
606 GtkAccelEntry *entry;
608 g_return_if_fail (object != NULL);
609 g_return_if_fail (GTK_IS_OBJECT (object));
610 g_return_if_fail (accel_group != NULL);
612 entry = gtk_accel_group_lookup (accel_group, accel_key, accel_mods);
615 if (entry->object == object)
619 g_hash_table_remove (accel_entry_hash_table, entry);
621 slist = gtk_object_get_data_by_id (object, accel_entries_key_id);
624 slist = g_slist_remove (slist, entry);
626 gtk_signal_disconnect_by_func (object,
627 GTK_SIGNAL_FUNC (gtk_accel_group_delete_entries),
629 gtk_object_set_data_by_id (object, accel_entries_key_id, slist);
631 gtk_accel_group_unref (accel_group);
633 g_chunk_free (entry, accel_entries_mem_chunk);
637 g_warning ("gtk_accel_group_handle_remove(): invalid object reference for accel-group entry");
640 g_warning ("gtk_accel_group_handle_remove(): attempt to remove unexisting accel-group entry");
644 gtk_accel_group_create_add (GtkType class_type,
645 GtkSignalRunType signal_flags,
646 guint handler_offset)
648 g_return_val_if_fail (gtk_type_is_a (class_type, GTK_TYPE_OBJECT), 0);
650 return gtk_signal_new ("add-accelerator",
654 gtk_marshal_NONE__UINT_POINTER_UINT_UINT_ENUM,
657 GTK_TYPE_ACCEL_GROUP,
659 GTK_TYPE_GDK_MODIFIER_TYPE,
660 GTK_TYPE_ACCEL_FLAGS);
664 gtk_accel_group_create_remove (GtkType class_type,
665 GtkSignalRunType signal_flags,
666 guint handler_offset)
668 g_return_val_if_fail (gtk_type_is_a (class_type, GTK_TYPE_OBJECT), 0);
670 return gtk_signal_new ("remove-accelerator",
674 gtk_marshal_NONE__POINTER_UINT_UINT,
676 GTK_TYPE_ACCEL_GROUP,
678 GTK_TYPE_GDK_MODIFIER_TYPE);
682 gtk_accel_groups_from_object (GtkObject *object)
684 g_return_val_if_fail (object != NULL, NULL);
685 g_return_val_if_fail (GTK_IS_OBJECT (object), NULL);
687 return gtk_object_get_data_by_id (object, accel_groups_key_id);
691 gtk_accel_group_entries_from_object (GtkObject *object)
693 g_return_val_if_fail (object != NULL, NULL);
694 g_return_val_if_fail (GTK_IS_OBJECT (object), NULL);
696 return gtk_object_get_data_by_id (object, accel_entries_key_id);
700 gtk_accelerator_valid (guint keyval,
701 GdkModifierType modifiers)
703 guint invalid_accelerator_vals[] = {
704 GDK_BackSpace, GDK_Delete, GDK_KP_Delete,
705 GDK_Shift_L, GDK_Shift_R, GDK_Shift_Lock, GDK_Caps_Lock, GDK_ISO_Lock,
706 GDK_Control_L, GDK_Control_R, GDK_Meta_L, GDK_Meta_R,
707 GDK_Super_L, GDK_Super_R, GDK_Hyper_L, GDK_Hyper_R,
708 GDK_Mode_switch, GDK_Num_Lock, GDK_Multi_key,
709 GDK_Scroll_Lock, GDK_Sys_Req,
710 GDK_Up, GDK_Down, GDK_Left, GDK_Right, GDK_Tab, GDK_ISO_Left_Tab,
711 GDK_KP_Up, GDK_KP_Down, GDK_KP_Left, GDK_KP_Right, GDK_KP_Tab,
712 GDK_First_Virtual_Screen, GDK_Prev_Virtual_Screen,
713 GDK_Next_Virtual_Screen, GDK_Last_Virtual_Screen,
714 GDK_Terminate_Server, GDK_AudibleBell_Enable,
719 modifiers &= GDK_MODIFIER_MASK;
722 return keyval >= 0x20;
724 ac_val = invalid_accelerator_vals;
727 if (keyval == *ac_val++)
734 static inline gboolean
735 is_alt (const gchar *string)
737 return ((string[0] == '<') &&
738 (string[1] == 'a' || string[1] == 'A') &&
739 (string[2] == 'l' || string[2] == 'L') &&
740 (string[3] == 't' || string[3] == 'T') &&
744 static inline gboolean
745 is_ctl (const gchar *string)
747 return ((string[0] == '<') &&
748 (string[1] == 'c' || string[1] == 'C') &&
749 (string[2] == 't' || string[2] == 'T') &&
750 (string[3] == 'l' || string[3] == 'L') &&
754 static inline gboolean
755 is_modx (const gchar *string)
757 return ((string[0] == '<') &&
758 (string[1] == 'm' || string[1] == 'M') &&
759 (string[2] == 'o' || string[2] == 'O') &&
760 (string[3] == 'd' || string[3] == 'D') &&
761 (string[4] >= '1' && string[4] <= '5') &&
765 static inline gboolean
766 is_ctrl (const gchar *string)
768 return ((string[0] == '<') &&
769 (string[1] == 'c' || string[1] == 'C') &&
770 (string[2] == 't' || string[2] == 'T') &&
771 (string[3] == 'r' || string[3] == 'R') &&
772 (string[4] == 'l' || string[4] == 'L') &&
776 static inline gboolean
777 is_shft (const gchar *string)
779 return ((string[0] == '<') &&
780 (string[1] == 's' || string[1] == 'S') &&
781 (string[2] == 'h' || string[2] == 'H') &&
782 (string[3] == 'f' || string[3] == 'F') &&
783 (string[4] == 't' || string[4] == 'T') &&
787 static inline gboolean
788 is_shift (const gchar *string)
790 return ((string[0] == '<') &&
791 (string[1] == 's' || string[1] == 'S') &&
792 (string[2] == 'h' || string[2] == 'H') &&
793 (string[3] == 'i' || string[3] == 'I') &&
794 (string[4] == 'f' || string[4] == 'F') &&
795 (string[5] == 't' || string[5] == 'T') &&
799 static inline gboolean
800 is_control (const gchar *string)
802 return ((string[0] == '<') &&
803 (string[1] == 'c' || string[1] == 'C') &&
804 (string[2] == 'o' || string[2] == 'O') &&
805 (string[3] == 'n' || string[3] == 'N') &&
806 (string[4] == 't' || string[4] == 'T') &&
807 (string[5] == 'r' || string[5] == 'R') &&
808 (string[6] == 'o' || string[6] == 'O') &&
809 (string[7] == 'l' || string[7] == 'L') &&
813 static inline gboolean
814 is_release (const gchar *string)
816 return ((string[0] == '<') &&
817 (string[1] == 'r' || string[1] == 'R') &&
818 (string[2] == 'e' || string[2] == 'E') &&
819 (string[3] == 'l' || string[3] == 'L') &&
820 (string[4] == 'e' || string[4] == 'E') &&
821 (string[5] == 'a' || string[5] == 'A') &&
822 (string[6] == 's' || string[6] == 'S') &&
823 (string[7] == 'e' || string[7] == 'E') &&
828 gtk_accelerator_parse (const gchar *accelerator,
829 guint *accelerator_key,
830 GdkModifierType*accelerator_mods)
833 GdkModifierType mods;
837 *accelerator_key = 0;
838 if (accelerator_mods)
839 *accelerator_mods = 0;
840 g_return_if_fail (accelerator != NULL);
844 len = strlen (accelerator);
847 if (*accelerator == '<')
849 if (len >= 9 && is_release (accelerator))
853 mods |= GDK_RELEASE_MASK;
855 else if (len >= 9 && is_control (accelerator))
859 mods |= GDK_CONTROL_MASK;
861 else if (len >= 7 && is_shift (accelerator))
865 mods |= GDK_SHIFT_MASK;
867 else if (len >= 6 && is_shft (accelerator))
871 mods |= GDK_SHIFT_MASK;
873 else if (len >= 6 && is_ctrl (accelerator))
877 mods |= GDK_CONTROL_MASK;
879 else if (len >= 6 && is_modx (accelerator))
882 GDK_MOD1_MASK, GDK_MOD2_MASK, GDK_MOD3_MASK,
883 GDK_MOD4_MASK, GDK_MOD5_MASK
888 mods |= mod_vals[*accelerator - '1'];
891 else if (len >= 5 && is_ctl (accelerator))
895 mods |= GDK_CONTROL_MASK;
897 else if (len >= 5 && is_alt (accelerator))
901 mods |= GDK_MOD1_MASK;
907 last_ch = *accelerator;
908 while (last_ch && last_ch != '>')
910 last_ch = *accelerator;
918 keyval = gdk_keyval_from_name (accelerator);
925 *accelerator_key = gdk_keyval_to_lower (keyval);
926 if (accelerator_mods)
927 *accelerator_mods = mods;
931 gtk_accelerator_name (guint accelerator_key,
932 GdkModifierType accelerator_mods)
934 static const gchar text_release[] = "<Release>";
935 static const gchar text_shift[] = "<Shift>";
936 static const gchar text_control[] = "<Control>";
937 static const gchar text_mod1[] = "<Alt>";
938 static const gchar text_mod2[] = "<Mod2>";
939 static const gchar text_mod3[] = "<Mod3>";
940 static const gchar text_mod4[] = "<Mod4>";
941 static const gchar text_mod5[] = "<Mod5>";
946 accelerator_mods &= GDK_MODIFIER_MASK;
948 keyval_name = gdk_keyval_name (gdk_keyval_to_lower (accelerator_key));
953 if (accelerator_mods & GDK_RELEASE_MASK)
954 l += sizeof (text_release) - 1;
955 if (accelerator_mods & GDK_SHIFT_MASK)
956 l += sizeof (text_shift) - 1;
957 if (accelerator_mods & GDK_CONTROL_MASK)
958 l += sizeof (text_control) - 1;
959 if (accelerator_mods & GDK_MOD1_MASK)
960 l += sizeof (text_mod1) - 1;
961 if (accelerator_mods & GDK_MOD2_MASK)
962 l += sizeof (text_mod2) - 1;
963 if (accelerator_mods & GDK_MOD3_MASK)
964 l += sizeof (text_mod3) - 1;
965 if (accelerator_mods & GDK_MOD4_MASK)
966 l += sizeof (text_mod4) - 1;
967 if (accelerator_mods & GDK_MOD5_MASK)
968 l += sizeof (text_mod5) - 1;
969 l += strlen (keyval_name);
971 accelerator = g_new (gchar, l + 1);
975 if (accelerator_mods & GDK_RELEASE_MASK)
977 strcpy (accelerator + l, text_release);
978 l += sizeof (text_release) - 1;
980 if (accelerator_mods & GDK_SHIFT_MASK)
982 strcpy (accelerator + l, text_shift);
983 l += sizeof (text_shift) - 1;
985 if (accelerator_mods & GDK_CONTROL_MASK)
987 strcpy (accelerator + l, text_control);
988 l += sizeof (text_control) - 1;
990 if (accelerator_mods & GDK_MOD1_MASK)
992 strcpy (accelerator + l, text_mod1);
993 l += sizeof (text_mod1) - 1;
995 if (accelerator_mods & GDK_MOD2_MASK)
997 strcpy (accelerator + l, text_mod2);
998 l += sizeof (text_mod2) - 1;
1000 if (accelerator_mods & GDK_MOD3_MASK)
1002 strcpy (accelerator + l, text_mod3);
1003 l += sizeof (text_mod3) - 1;
1005 if (accelerator_mods & GDK_MOD4_MASK)
1007 strcpy (accelerator + l, text_mod4);
1008 l += sizeof (text_mod4) - 1;
1010 if (accelerator_mods & GDK_MOD5_MASK)
1012 strcpy (accelerator + l, text_mod5);
1013 l += sizeof (text_mod5) - 1;
1015 strcpy (accelerator + l, keyval_name);
1021 gtk_accelerator_set_default_mod_mask (GdkModifierType default_mod_mask)
1023 default_accel_mod_mask = default_mod_mask & GDK_MODIFIER_MASK;
1027 gtk_accelerator_get_default_mod_mask (void)
1029 return default_accel_mod_mask;