1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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.
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.
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.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #define GTK_MENU_INTERNALS
30 #include "gdk/gdkkeysyms.h"
31 #include "gtkbindings.h"
32 #include "gtkkeyhash.h"
34 #include "gtkmarshalers.h"
36 #include "gtkmenubar.h"
37 #include "gtkmenuitem.h"
38 #include "gtkmenushell.h"
39 #include "gtkmnemonichash.h"
40 #include "gtktearoffmenuitem.h"
41 #include "gtkwindow.h"
42 #include "gtkprivate.h"
46 #define MENU_SHELL_TIMEOUT 500
48 #define PACK_DIRECTION(m) \
49 (GTK_IS_MENU_BAR (m) \
50 ? gtk_menu_bar_get_pack_direction (GTK_MENU_BAR (m)) \
51 : GTK_PACK_DIRECTION_LTR)
70 * A menu item can be "selected", this means that it is displayed
71 * in the prelight state, and if it has a submenu, that submenu
74 * A menu is "active" when it is visible onscreen and the user
75 * is selecting from it. A menubar is not active until the user
76 * clicks on one of its menuitems. When a menu is active,
77 * passing the mouse over a submenu will pop it up.
79 * menu_shell->active_menu_item, is however, not an "active"
80 * menu item (there is no such thing) but rather, the selected
81 * menu item in that MenuShell, if there is one.
83 * There is also is a concept of the current menu and a current
84 * menu item. The current menu item is the selected menu item
85 * that is furthest down in the heirarchy. (Every active menu_shell
86 * does not necessarily contain a selected menu item, but if
87 * it does, then menu_shell->parent_menu_shell must also contain
88 * a selected menu item. The current menu is the menu that
89 * contains the current menu_item. It will always have a GTK
90 * grab and receive all key presses.
95 * ::move_current (GtkMenuDirection *dir)
96 * Moves the current menu item in direction 'dir':
98 * GTK_MENU_DIR_PARENT: To the parent menu shell
99 * GTK_MENU_DIR_CHILD: To the child menu shell (if this item has
101 * GTK_MENU_DIR_NEXT/PREV: To the next or previous item
104 * As a a bit of a hack to get movement between menus and
105 * menubars working, if submenu_placement is different for
106 * the menu and its MenuShell then the following apply:
108 * - For 'parent' the current menu is not just moved to
109 * the parent, but moved to the previous entry in the parent
110 * - For 'child', if there is no child, then current is
111 * moved to the next item in the parent.
113 * Note that the above explanation of ::move_current was written
114 * before menus and menubars had support for RTL flipping and
115 * different packing directions, and therefore only applies for
116 * when text direction and packing direction are both left-to-right.
118 * ::activate_current (GBoolean *force_hide)
119 * Activate the current item. If 'force_hide' is true, hide
120 * the current menu item always. Otherwise, only hide
121 * it if menu_item->klass->hide_on_activate is true.
124 * Cancels the current selection
127 #define GTK_MENU_SHELL_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_MENU_SHELL, GtkMenuShellPrivate))
129 typedef struct _GtkMenuShellPrivate GtkMenuShellPrivate;
131 struct _GtkMenuShellPrivate
133 GtkMnemonicHash *mnemonic_hash;
134 GtkKeyHash *key_hash;
136 guint take_focus : 1;
137 guint activated_submenu : 1;
140 static void gtk_menu_shell_set_property (GObject *object,
144 static void gtk_menu_shell_get_property (GObject *object,
148 static void gtk_menu_shell_realize (GtkWidget *widget);
149 static void gtk_menu_shell_finalize (GObject *object);
150 static gint gtk_menu_shell_button_press (GtkWidget *widget,
151 GdkEventButton *event);
152 static gint gtk_menu_shell_button_release (GtkWidget *widget,
153 GdkEventButton *event);
154 static gint gtk_menu_shell_key_press (GtkWidget *widget,
156 static gint gtk_menu_shell_enter_notify (GtkWidget *widget,
157 GdkEventCrossing *event);
158 static gint gtk_menu_shell_leave_notify (GtkWidget *widget,
159 GdkEventCrossing *event);
160 static void gtk_menu_shell_screen_changed (GtkWidget *widget,
161 GdkScreen *previous_screen);
162 static gboolean gtk_menu_shell_grab_broken (GtkWidget *widget,
163 GdkEventGrabBroken *event);
164 static void gtk_menu_shell_add (GtkContainer *container,
166 static void gtk_menu_shell_remove (GtkContainer *container,
168 static void gtk_menu_shell_forall (GtkContainer *container,
169 gboolean include_internals,
170 GtkCallback callback,
171 gpointer callback_data);
172 static void gtk_menu_shell_real_insert (GtkMenuShell *menu_shell,
175 static void gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell);
176 static gint gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
178 static GtkWidget *gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
180 static GType gtk_menu_shell_child_type (GtkContainer *container);
181 static void gtk_menu_shell_real_select_item (GtkMenuShell *menu_shell,
182 GtkWidget *menu_item);
183 static gboolean gtk_menu_shell_select_submenu_first (GtkMenuShell *menu_shell);
185 static void gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
186 GtkMenuDirectionType direction);
187 static void gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
188 gboolean force_hide);
189 static void gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell);
190 static void gtk_real_menu_shell_cycle_focus (GtkMenuShell *menu_shell,
191 GtkDirectionType dir);
193 static void gtk_menu_shell_reset_key_hash (GtkMenuShell *menu_shell);
194 static gboolean gtk_menu_shell_activate_mnemonic (GtkMenuShell *menu_shell,
197 static guint menu_shell_signals[LAST_SIGNAL] = { 0 };
199 G_DEFINE_TYPE (GtkMenuShell, gtk_menu_shell, GTK_TYPE_CONTAINER)
202 gtk_menu_shell_class_init (GtkMenuShellClass *klass)
204 GObjectClass *object_class;
205 GtkWidgetClass *widget_class;
206 GtkContainerClass *container_class;
208 GtkBindingSet *binding_set;
210 object_class = (GObjectClass*) klass;
211 widget_class = (GtkWidgetClass*) klass;
212 container_class = (GtkContainerClass*) klass;
214 object_class->set_property = gtk_menu_shell_set_property;
215 object_class->get_property = gtk_menu_shell_get_property;
216 object_class->finalize = gtk_menu_shell_finalize;
218 widget_class->realize = gtk_menu_shell_realize;
219 widget_class->button_press_event = gtk_menu_shell_button_press;
220 widget_class->button_release_event = gtk_menu_shell_button_release;
221 widget_class->grab_broken_event = gtk_menu_shell_grab_broken;
222 widget_class->key_press_event = gtk_menu_shell_key_press;
223 widget_class->enter_notify_event = gtk_menu_shell_enter_notify;
224 widget_class->leave_notify_event = gtk_menu_shell_leave_notify;
225 widget_class->screen_changed = gtk_menu_shell_screen_changed;
227 container_class->add = gtk_menu_shell_add;
228 container_class->remove = gtk_menu_shell_remove;
229 container_class->forall = gtk_menu_shell_forall;
230 container_class->child_type = gtk_menu_shell_child_type;
232 klass->submenu_placement = GTK_TOP_BOTTOM;
233 klass->deactivate = gtk_real_menu_shell_deactivate;
234 klass->selection_done = NULL;
235 klass->move_current = gtk_real_menu_shell_move_current;
236 klass->activate_current = gtk_real_menu_shell_activate_current;
237 klass->cancel = gtk_real_menu_shell_cancel;
238 klass->select_item = gtk_menu_shell_real_select_item;
239 klass->insert = gtk_menu_shell_real_insert;
241 menu_shell_signals[DEACTIVATE] =
242 g_signal_new (I_("deactivate"),
243 G_OBJECT_CLASS_TYPE (object_class),
245 G_STRUCT_OFFSET (GtkMenuShellClass, deactivate),
247 _gtk_marshal_VOID__VOID,
249 menu_shell_signals[SELECTION_DONE] =
250 g_signal_new (I_("selection-done"),
251 G_OBJECT_CLASS_TYPE (object_class),
253 G_STRUCT_OFFSET (GtkMenuShellClass, selection_done),
255 _gtk_marshal_VOID__VOID,
257 menu_shell_signals[MOVE_CURRENT] =
258 g_signal_new (I_("move_current"),
259 G_OBJECT_CLASS_TYPE (object_class),
260 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
261 G_STRUCT_OFFSET (GtkMenuShellClass, move_current),
263 _gtk_marshal_VOID__ENUM,
265 GTK_TYPE_MENU_DIRECTION_TYPE);
266 menu_shell_signals[ACTIVATE_CURRENT] =
267 g_signal_new (I_("activate_current"),
268 G_OBJECT_CLASS_TYPE (object_class),
269 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
270 G_STRUCT_OFFSET (GtkMenuShellClass, activate_current),
272 _gtk_marshal_VOID__BOOLEAN,
275 menu_shell_signals[CANCEL] =
276 g_signal_new (I_("cancel"),
277 G_OBJECT_CLASS_TYPE (object_class),
278 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
279 G_STRUCT_OFFSET (GtkMenuShellClass, cancel),
281 _gtk_marshal_VOID__VOID,
283 menu_shell_signals[CYCLE_FOCUS] =
284 _gtk_binding_signal_new (I_("cycle_focus"),
285 G_OBJECT_CLASS_TYPE (object_class),
286 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
287 G_CALLBACK (gtk_real_menu_shell_cycle_focus),
289 _gtk_marshal_VOID__ENUM,
291 GTK_TYPE_DIRECTION_TYPE);
294 binding_set = gtk_binding_set_by_class (klass);
295 gtk_binding_entry_add_signal (binding_set,
298 gtk_binding_entry_add_signal (binding_set,
300 "activate_current", 1,
303 gtk_binding_entry_add_signal (binding_set,
305 "activate_current", 1,
308 gtk_binding_entry_add_signal (binding_set,
310 "activate_current", 1,
313 gtk_binding_entry_add_signal (binding_set,
315 "activate_current", 1,
318 gtk_binding_entry_add_signal (binding_set,
321 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
322 gtk_binding_entry_add_signal (binding_set,
323 GDK_F10, GDK_SHIFT_MASK,
325 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
328 * GtkMenuShell:take-focus:
330 * A boolean that determines whether the menu and its submenus grab the
331 * keyboard focus. See gtk_menu_shell_set_take_focus() and
332 * gtk_menu_shell_get_take_focus().
336 g_object_class_install_property (object_class,
338 g_param_spec_boolean ("take-focus",
340 P_("A boolean that determines whether the menu grabs the keyboard focus"),
342 GTK_PARAM_READWRITE));
344 g_type_class_add_private (object_class, sizeof (GtkMenuShellPrivate));
348 gtk_menu_shell_child_type (GtkContainer *container)
350 return GTK_TYPE_MENU_ITEM;
354 gtk_menu_shell_init (GtkMenuShell *menu_shell)
356 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
358 menu_shell->children = NULL;
359 menu_shell->active_menu_item = NULL;
360 menu_shell->parent_menu_shell = NULL;
361 menu_shell->active = FALSE;
362 menu_shell->have_grab = FALSE;
363 menu_shell->have_xgrab = FALSE;
364 menu_shell->button = 0;
365 menu_shell->activate_time = 0;
367 priv->mnemonic_hash = NULL;
368 priv->key_hash = NULL;
369 priv->take_focus = TRUE;
370 priv->activated_submenu = FALSE;
374 gtk_menu_shell_set_property (GObject *object,
379 GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
383 case PROP_TAKE_FOCUS:
384 gtk_menu_shell_set_take_focus (menu_shell, g_value_get_boolean (value));
387 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
393 gtk_menu_shell_get_property (GObject *object,
398 GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
402 case PROP_TAKE_FOCUS:
403 g_value_set_boolean (value, gtk_menu_shell_get_take_focus (menu_shell));
406 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
412 gtk_menu_shell_finalize (GObject *object)
414 GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
415 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
417 if (priv->mnemonic_hash)
418 _gtk_mnemonic_hash_free (priv->mnemonic_hash);
420 _gtk_key_hash_free (priv->key_hash);
422 G_OBJECT_CLASS (gtk_menu_shell_parent_class)->finalize (object);
427 gtk_menu_shell_append (GtkMenuShell *menu_shell,
430 gtk_menu_shell_insert (menu_shell, child, -1);
434 gtk_menu_shell_prepend (GtkMenuShell *menu_shell,
437 gtk_menu_shell_insert (menu_shell, child, 0);
441 gtk_menu_shell_insert (GtkMenuShell *menu_shell,
445 GtkMenuShellClass *class;
447 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
448 g_return_if_fail (GTK_IS_MENU_ITEM (child));
450 class = GTK_MENU_SHELL_GET_CLASS (menu_shell);
453 class->insert (menu_shell, child, position);
457 gtk_menu_shell_real_insert (GtkMenuShell *menu_shell,
461 menu_shell->children = g_list_insert (menu_shell->children, child, position);
463 gtk_widget_set_parent (child, GTK_WIDGET (menu_shell));
467 gtk_menu_shell_deactivate (GtkMenuShell *menu_shell)
469 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
471 g_signal_emit (menu_shell, menu_shell_signals[DEACTIVATE], 0);
475 gtk_menu_shell_realize (GtkWidget *widget)
477 GdkWindowAttr attributes;
478 gint attributes_mask;
480 g_return_if_fail (GTK_IS_MENU_SHELL (widget));
482 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
484 attributes.x = widget->allocation.x;
485 attributes.y = widget->allocation.y;
486 attributes.width = widget->allocation.width;
487 attributes.height = widget->allocation.height;
488 attributes.window_type = GDK_WINDOW_CHILD;
489 attributes.wclass = GDK_INPUT_OUTPUT;
490 attributes.visual = gtk_widget_get_visual (widget);
491 attributes.colormap = gtk_widget_get_colormap (widget);
492 attributes.event_mask = gtk_widget_get_events (widget);
493 attributes.event_mask |= (GDK_EXPOSURE_MASK |
494 GDK_BUTTON_PRESS_MASK |
495 GDK_BUTTON_RELEASE_MASK |
497 GDK_ENTER_NOTIFY_MASK |
498 GDK_LEAVE_NOTIFY_MASK);
500 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
501 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
502 gdk_window_set_user_data (widget->window, widget);
504 widget->style = gtk_style_attach (widget->style, widget->window);
505 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
509 _gtk_menu_shell_activate (GtkMenuShell *menu_shell)
511 if (!menu_shell->active)
513 gtk_grab_add (GTK_WIDGET (menu_shell));
514 menu_shell->have_grab = TRUE;
515 menu_shell->active = TRUE;
520 gtk_menu_shell_button_press (GtkWidget *widget,
521 GdkEventButton *event)
523 GtkMenuShell *menu_shell;
524 GtkWidget *menu_item;
526 if (event->type != GDK_BUTTON_PRESS)
529 menu_shell = GTK_MENU_SHELL (widget);
531 if (menu_shell->parent_menu_shell)
532 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
534 menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent *)event);
536 if (menu_item && _gtk_menu_item_is_selectable (menu_item) &&
537 menu_item != GTK_MENU_SHELL (menu_item->parent)->active_menu_item)
539 /* select the menu item *before* activating the shell, so submenus
540 * which might be open are closed the friendly way. If we activate
541 * (and thus grab) this menu shell first, we might get grab_broken
542 * events which will close the entire menu hierarchy. Selecting the
543 * menu item also fixes up the state as if enter_notify() would
544 * have run before (which normally selects the item).
546 if (GTK_MENU_SHELL_GET_CLASS (menu_item->parent)->submenu_placement != GTK_TOP_BOTTOM)
548 gtk_menu_shell_select_item (GTK_MENU_SHELL (menu_item->parent), menu_item);
552 if (!menu_shell->active || !menu_shell->button)
554 _gtk_menu_shell_activate (menu_shell);
556 menu_shell->button = event->button;
558 if (menu_item && _gtk_menu_item_is_selectable (menu_item) &&
559 menu_item->parent == widget &&
560 menu_item != menu_shell->active_menu_item)
562 if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement == GTK_TOP_BOTTOM)
564 menu_shell->activate_time = event->time;
565 gtk_menu_shell_select_item (menu_shell, menu_item);
571 widget = gtk_get_event_widget ((GdkEvent*) event);
572 if (widget == GTK_WIDGET (menu_shell))
574 gtk_menu_shell_deactivate (menu_shell);
575 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
579 if (menu_item && _gtk_menu_item_is_selectable (menu_item) &&
580 GTK_MENU_ITEM (menu_item)->submenu != NULL &&
581 !GTK_WIDGET_VISIBLE (GTK_MENU_ITEM (menu_item)->submenu))
583 GtkMenuShellPrivate *priv;
585 _gtk_menu_item_popup_submenu (menu_item, FALSE);
587 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_item->parent);
588 priv->activated_submenu = TRUE;
595 gtk_menu_shell_grab_broken (GtkWidget *widget,
596 GdkEventGrabBroken *event)
598 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
600 if (menu_shell->have_xgrab && event->grab_window == NULL)
602 /* Unset the active menu item so gtk_menu_popdown() doesn't see it.
605 gtk_menu_shell_deselect (menu_shell);
607 gtk_menu_shell_deactivate (menu_shell);
608 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
615 gtk_menu_shell_button_release (GtkWidget *widget,
616 GdkEventButton *event)
618 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
619 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (widget);
621 if (menu_shell->active)
623 GtkWidget *menu_item;
624 gboolean deactivate = TRUE;
626 if (menu_shell->button && (event->button != menu_shell->button))
628 menu_shell->button = 0;
629 if (menu_shell->parent_menu_shell)
630 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
633 menu_shell->button = 0;
634 menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent*) event);
636 if ((event->time - menu_shell->activate_time) > MENU_SHELL_TIMEOUT)
638 if (menu_item && (menu_shell->active_menu_item == menu_item) &&
639 _gtk_menu_item_is_selectable (menu_item))
641 GtkWidget *submenu = GTK_MENU_ITEM (menu_item)->submenu;
645 gtk_menu_shell_activate_item (menu_shell, menu_item, TRUE);
649 else if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM ||
650 priv->activated_submenu)
653 GTimeVal *popup_time;
654 gint64 usec_since_popup = 0;
656 g_object_get (gtk_widget_get_settings (widget),
657 "gtk-menu-popdown-delay", &popdown_delay,
660 popup_time = g_object_get_data (G_OBJECT (submenu),
661 "gtk-menu-exact-popup-time");
665 GTimeVal current_time;
667 g_get_current_time (¤t_time);
669 usec_since_popup = ((gint64) current_time.tv_sec * 1000 * 1000 +
670 (gint64) current_time.tv_usec -
671 (gint64) popup_time->tv_sec * 1000 * 1000 -
672 (gint64) popup_time->tv_usec);
674 g_object_set_data (G_OBJECT (submenu),
675 "gtk-menu-exact-popup-time", NULL);
678 /* only close the submenu on click if we opened the
679 * menu explicitely (usec_since_popup == 0) or
680 * enough time has passed since it was opened by
681 * GtkMenuItem's timeout (usec_since_popup > delay).
683 if (!priv->activated_submenu &&
684 (usec_since_popup == 0 ||
685 usec_since_popup > popdown_delay * 1000))
687 _gtk_menu_item_popdown_submenu (menu_item);
691 gtk_menu_item_select (GTK_MENU_ITEM (menu_item));
697 else if (menu_item &&
698 !_gtk_menu_item_is_selectable (menu_item) &&
699 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM)
703 else if (menu_shell->parent_menu_shell)
705 menu_shell->active = TRUE;
706 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
710 /* If we ended up on an item with a submenu, leave the menu up.
712 if (menu_item && (menu_shell->active_menu_item == menu_item) &&
713 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM)
718 else /* a very fast press-release */
720 /* We only ever want to prevent deactivation on the first
721 * press/release. Setting the time to zero is a bit of a
722 * hack, since we could be being triggered in the first
723 * few fractions of a second after a server time wraparound.
724 * the chances of that happening are ~1/10^6, without
725 * serious harm if we lose.
727 menu_shell->activate_time = 0;
733 gtk_menu_shell_deactivate (menu_shell);
734 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
737 priv->activated_submenu = FALSE;
744 gtk_menu_shell_key_press (GtkWidget *widget,
747 GtkMenuShell *menu_shell;
748 gboolean enable_mnemonics;
750 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
751 g_return_val_if_fail (event != NULL, FALSE);
753 menu_shell = GTK_MENU_SHELL (widget);
755 if (!menu_shell->active_menu_item && menu_shell->parent_menu_shell)
756 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent *)event);
758 if (gtk_bindings_activate_event (GTK_OBJECT (widget), event))
761 g_object_get (gtk_widget_get_settings (widget),
762 "gtk-enable-mnemonics", &enable_mnemonics,
765 if (enable_mnemonics)
766 return gtk_menu_shell_activate_mnemonic (menu_shell, event);
772 gtk_menu_shell_enter_notify (GtkWidget *widget,
773 GdkEventCrossing *event)
775 GtkMenuShell *menu_shell;
777 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
778 g_return_val_if_fail (event != NULL, FALSE);
780 menu_shell = GTK_MENU_SHELL (widget);
782 if (menu_shell->active)
784 GtkWidget *menu_item;
786 menu_item = gtk_get_event_widget ((GdkEvent*) event);
789 (GTK_IS_MENU_ITEM (menu_item) &&
790 !_gtk_menu_item_is_selectable (menu_item)))
793 if (menu_item->parent == widget &&
794 GTK_IS_MENU_ITEM (menu_item))
796 if (menu_shell->ignore_enter)
799 if (event->detail != GDK_NOTIFY_INFERIOR)
801 if (GTK_WIDGET_STATE (menu_item) != GTK_STATE_PRELIGHT)
802 gtk_menu_shell_select_item (menu_shell, menu_item);
804 /* If any mouse button is down, and there is a submenu
805 * that is not yet visible, activate it. It's sufficient
806 * to check for any button's mask (not only the one
807 * matching menu_shell->button), because there is no
808 * situation a mouse button could be pressed while
809 * entering a menu item where we wouldn't want to show
812 if ((event->state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK)) &&
813 GTK_MENU_ITEM (menu_item)->submenu != NULL)
815 GtkMenuShellPrivate *priv;
817 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_item->parent);
818 priv->activated_submenu = TRUE;
820 if (!GTK_WIDGET_VISIBLE (GTK_MENU_ITEM (menu_item)->submenu))
822 gboolean touchscreen_mode;
824 g_object_get (gtk_widget_get_settings (widget),
825 "gtk-touchscreen-mode", &touchscreen_mode,
828 if (touchscreen_mode)
829 _gtk_menu_item_popup_submenu (menu_item, TRUE);
834 else if (menu_shell->parent_menu_shell)
836 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
844 gtk_menu_shell_leave_notify (GtkWidget *widget,
845 GdkEventCrossing *event)
847 GtkMenuShell *menu_shell;
848 GtkMenuItem *menu_item;
849 GtkWidget *event_widget;
851 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
852 g_return_val_if_fail (event != NULL, FALSE);
854 if (GTK_WIDGET_VISIBLE (widget))
856 menu_shell = GTK_MENU_SHELL (widget);
857 event_widget = gtk_get_event_widget ((GdkEvent*) event);
859 if (!event_widget || !GTK_IS_MENU_ITEM (event_widget))
862 menu_item = GTK_MENU_ITEM (event_widget);
864 if (!_gtk_menu_item_is_selectable (event_widget))
867 if ((menu_shell->active_menu_item == event_widget) &&
868 (menu_item->submenu == NULL))
870 if ((event->detail != GDK_NOTIFY_INFERIOR) &&
871 (GTK_WIDGET_STATE (menu_item) != GTK_STATE_NORMAL))
873 gtk_menu_shell_deselect (menu_shell);
876 else if (menu_shell->parent_menu_shell)
878 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
886 gtk_menu_shell_screen_changed (GtkWidget *widget,
887 GdkScreen *previous_screen)
889 gtk_menu_shell_reset_key_hash (GTK_MENU_SHELL (widget));
893 gtk_menu_shell_add (GtkContainer *container,
896 gtk_menu_shell_append (GTK_MENU_SHELL (container), widget);
900 gtk_menu_shell_remove (GtkContainer *container,
903 GtkMenuShell *menu_shell;
906 g_return_if_fail (GTK_IS_MENU_SHELL (container));
907 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
909 was_visible = GTK_WIDGET_VISIBLE (widget);
910 menu_shell = GTK_MENU_SHELL (container);
911 menu_shell->children = g_list_remove (menu_shell->children, widget);
913 if (widget == menu_shell->active_menu_item)
915 gtk_item_deselect (GTK_ITEM (menu_shell->active_menu_item));
916 menu_shell->active_menu_item = NULL;
919 gtk_widget_unparent (widget);
921 /* queue resize regardless of GTK_WIDGET_VISIBLE (container),
922 * since that's what is needed by toplevels.
925 gtk_widget_queue_resize (GTK_WIDGET (container));
929 gtk_menu_shell_forall (GtkContainer *container,
930 gboolean include_internals,
931 GtkCallback callback,
932 gpointer callback_data)
934 GtkMenuShell *menu_shell;
938 g_return_if_fail (GTK_IS_MENU_SHELL (container));
939 g_return_if_fail (callback != NULL);
941 menu_shell = GTK_MENU_SHELL (container);
943 children = menu_shell->children;
946 child = children->data;
947 children = children->next;
949 (* callback) (child, callback_data);
955 gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell)
957 if (menu_shell->active)
959 menu_shell->button = 0;
960 menu_shell->active = FALSE;
961 menu_shell->activate_time = 0;
963 if (menu_shell->active_menu_item)
965 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
966 menu_shell->active_menu_item = NULL;
969 if (menu_shell->have_grab)
971 menu_shell->have_grab = FALSE;
972 gtk_grab_remove (GTK_WIDGET (menu_shell));
974 if (menu_shell->have_xgrab)
976 GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (menu_shell));
978 menu_shell->have_xgrab = FALSE;
979 gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
980 gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME);
986 gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
991 g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
992 g_return_val_if_fail (child != NULL, FALSE);
994 parent = child->parent;
995 while (parent && GTK_IS_MENU_SHELL (parent))
997 if (parent == (GtkWidget*) menu_shell)
999 parent = GTK_MENU_SHELL (parent)->parent_menu_shell;
1006 gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
1009 GtkWidget *menu_item;
1011 menu_item = gtk_get_event_widget ((GdkEvent*) event);
1013 while (menu_item && !GTK_IS_MENU_ITEM (menu_item))
1014 menu_item = menu_item->parent;
1016 if (menu_item && gtk_menu_shell_is_item (menu_shell, menu_item))
1022 /* Handlers for action signals */
1025 gtk_menu_shell_select_item (GtkMenuShell *menu_shell,
1026 GtkWidget *menu_item)
1028 GtkMenuShellClass *class;
1030 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1031 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1033 class = GTK_MENU_SHELL_GET_CLASS (menu_shell);
1035 if (class->select_item &&
1036 !(menu_shell->active &&
1037 menu_shell->active_menu_item == menu_item))
1038 class->select_item (menu_shell, menu_item);
1041 void _gtk_menu_item_set_placement (GtkMenuItem *menu_item,
1042 GtkSubmenuPlacement placement);
1045 gtk_menu_shell_real_select_item (GtkMenuShell *menu_shell,
1046 GtkWidget *menu_item)
1048 GtkPackDirection pack_dir = PACK_DIRECTION (menu_shell);
1050 gtk_menu_shell_deselect (menu_shell);
1052 if (!_gtk_menu_item_is_selectable (menu_item))
1055 menu_shell->active_menu_item = menu_item;
1056 if (pack_dir == GTK_PACK_DIRECTION_TTB || pack_dir == GTK_PACK_DIRECTION_BTT)
1057 _gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
1060 _gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
1061 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement);
1062 gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
1064 /* This allows the bizarre radio buttons-with-submenus-display-history
1067 if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
1068 gtk_widget_activate (menu_shell->active_menu_item);
1072 gtk_menu_shell_deselect (GtkMenuShell *menu_shell)
1074 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1076 if (menu_shell->active_menu_item)
1078 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
1079 menu_shell->active_menu_item = NULL;
1084 gtk_menu_shell_activate_item (GtkMenuShell *menu_shell,
1085 GtkWidget *menu_item,
1086 gboolean force_deactivate)
1088 GSList *slist, *shells = NULL;
1089 gboolean deactivate = force_deactivate;
1091 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1092 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1095 deactivate = GTK_MENU_ITEM_GET_CLASS (menu_item)->hide_on_activate;
1097 g_object_ref (menu_shell);
1098 g_object_ref (menu_item);
1102 GtkMenuShell *parent_menu_shell = menu_shell;
1106 g_object_ref (parent_menu_shell);
1107 shells = g_slist_prepend (shells, parent_menu_shell);
1108 parent_menu_shell = (GtkMenuShell*) parent_menu_shell->parent_menu_shell;
1110 while (parent_menu_shell);
1111 shells = g_slist_reverse (shells);
1113 gtk_menu_shell_deactivate (menu_shell);
1115 /* flush the x-queue, so any grabs are removed and
1116 * the menu is actually taken down
1118 gdk_display_sync (gtk_widget_get_display (menu_item));
1121 gtk_widget_activate (menu_item);
1123 for (slist = shells; slist; slist = slist->next)
1125 g_signal_emit (slist->data, menu_shell_signals[SELECTION_DONE], 0);
1126 g_object_unref (slist->data);
1128 g_slist_free (shells);
1130 g_object_unref (menu_shell);
1131 g_object_unref (menu_item);
1134 /* Distance should be +/- 1 */
1136 gtk_menu_shell_move_selected (GtkMenuShell *menu_shell,
1139 if (menu_shell->active_menu_item)
1141 GList *node = g_list_find (menu_shell->children,
1142 menu_shell->active_menu_item);
1143 GList *start_node = node;
1144 gboolean wrap_around;
1146 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
1147 "gtk-keynav-wrap-around", &wrap_around,
1153 while (node != start_node &&
1154 (!node || !_gtk_menu_item_is_selectable (node->data)))
1158 else if (wrap_around)
1159 node = menu_shell->children;
1162 gtk_widget_error_bell (GTK_WIDGET (menu_shell));
1170 while (node != start_node &&
1171 (!node || !_gtk_menu_item_is_selectable (node->data)))
1175 else if (wrap_around)
1176 node = g_list_last (menu_shell->children);
1179 gtk_widget_error_bell (GTK_WIDGET (menu_shell));
1186 gtk_menu_shell_select_item (menu_shell, node->data);
1191 * gtk_menu_shell_select_first:
1192 * @menu_shell: a #GtkMenuShell
1193 * @search_sensitive: if %TRUE, search for the first selectable
1194 * menu item, otherwise select nothing if
1195 * the first item isn't sensitive. This
1196 * should be %FALSE if the menu is being
1197 * popped up initially.
1199 * Select the first visible or selectable child of the menu shell;
1200 * don't select tearoff items unless the only item is a tearoff
1206 gtk_menu_shell_select_first (GtkMenuShell *menu_shell,
1207 gboolean search_sensitive)
1209 GtkWidget *to_select = NULL;
1212 tmp_list = menu_shell->children;
1215 GtkWidget *child = tmp_list->data;
1217 if ((!search_sensitive && GTK_WIDGET_VISIBLE (child)) ||
1218 _gtk_menu_item_is_selectable (child))
1221 if (!GTK_IS_TEAROFF_MENU_ITEM (child))
1225 tmp_list = tmp_list->next;
1229 gtk_menu_shell_select_item (menu_shell, to_select);
1233 _gtk_menu_shell_select_last (GtkMenuShell *menu_shell,
1234 gboolean search_sensitive)
1236 GtkWidget *to_select = NULL;
1239 tmp_list = g_list_last (menu_shell->children);
1242 GtkWidget *child = tmp_list->data;
1244 if ((!search_sensitive && GTK_WIDGET_VISIBLE (child)) ||
1245 _gtk_menu_item_is_selectable (child))
1248 if (!GTK_IS_TEAROFF_MENU_ITEM (child))
1252 tmp_list = tmp_list->prev;
1256 gtk_menu_shell_select_item (menu_shell, to_select);
1260 gtk_menu_shell_select_submenu_first (GtkMenuShell *menu_shell)
1262 GtkMenuItem *menu_item;
1264 menu_item = GTK_MENU_ITEM (menu_shell->active_menu_item);
1266 if (menu_item->submenu)
1268 _gtk_menu_item_popup_submenu (GTK_WIDGET (menu_item), FALSE);
1269 gtk_menu_shell_select_first (GTK_MENU_SHELL (menu_item->submenu), TRUE);
1270 if (GTK_MENU_SHELL (menu_item->submenu)->active_menu_item)
1278 gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
1279 GtkMenuDirectionType direction)
1281 GtkMenuShell *parent_menu_shell = NULL;
1282 gboolean had_selection;
1284 had_selection = menu_shell->active_menu_item != NULL;
1286 if (menu_shell->parent_menu_shell)
1287 parent_menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
1291 case GTK_MENU_DIR_PARENT:
1292 if (parent_menu_shell)
1294 gboolean touchscreen_mode;
1296 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
1297 "gtk-touchscreen-mode", &touchscreen_mode,
1300 if (touchscreen_mode)
1302 /* close menu when returning from submenu. */
1303 _gtk_menu_item_popdown_submenu (GTK_MENU (menu_shell)->parent_menu_item);
1307 if (GTK_MENU_SHELL_GET_CLASS (parent_menu_shell)->submenu_placement ==
1308 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement)
1309 gtk_menu_shell_deselect (menu_shell);
1312 if (PACK_DIRECTION (parent_menu_shell) == GTK_PACK_DIRECTION_LTR)
1313 gtk_menu_shell_move_selected (parent_menu_shell, -1);
1315 gtk_menu_shell_move_selected (parent_menu_shell, 1);
1316 gtk_menu_shell_select_submenu_first (parent_menu_shell);
1319 /* If there is no parent and the submenu is in the opposite direction
1320 * to the menu, then make the PARENT direction wrap around to
1321 * the bottom of the submenu.
1323 else if (menu_shell->active_menu_item &&
1324 _gtk_menu_item_is_selectable (menu_shell->active_menu_item) &&
1325 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
1327 GtkMenuShell *submenu = GTK_MENU_SHELL (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu);
1329 if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement !=
1330 GTK_MENU_SHELL_GET_CLASS (submenu)->submenu_placement)
1331 _gtk_menu_shell_select_last (submenu, TRUE);
1335 case GTK_MENU_DIR_CHILD:
1336 if (menu_shell->active_menu_item &&
1337 _gtk_menu_item_is_selectable (menu_shell->active_menu_item) &&
1338 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
1340 if (gtk_menu_shell_select_submenu_first (menu_shell))
1344 /* Try to find a menu running the opposite direction */
1345 while (parent_menu_shell &&
1346 (GTK_MENU_SHELL_GET_CLASS (parent_menu_shell)->submenu_placement ==
1347 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement))
1349 parent_menu_shell = GTK_MENU_SHELL (parent_menu_shell->parent_menu_shell);
1352 if (parent_menu_shell)
1354 if (PACK_DIRECTION (parent_menu_shell) == GTK_PACK_DIRECTION_LTR)
1355 gtk_menu_shell_move_selected (parent_menu_shell, 1);
1357 gtk_menu_shell_move_selected (parent_menu_shell, -1);
1359 gtk_menu_shell_select_submenu_first (parent_menu_shell);
1363 case GTK_MENU_DIR_PREV:
1364 gtk_menu_shell_move_selected (menu_shell, -1);
1365 if (!had_selection &&
1366 !menu_shell->active_menu_item &&
1367 menu_shell->children)
1368 _gtk_menu_shell_select_last (menu_shell, TRUE);
1371 case GTK_MENU_DIR_NEXT:
1372 gtk_menu_shell_move_selected (menu_shell, 1);
1373 if (!had_selection &&
1374 !menu_shell->active_menu_item &&
1375 menu_shell->children)
1376 gtk_menu_shell_select_first (menu_shell, TRUE);
1382 gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
1383 gboolean force_hide)
1385 if (menu_shell->active_menu_item &&
1386 _gtk_menu_item_is_selectable (menu_shell->active_menu_item))
1388 if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu == NULL)
1389 gtk_menu_shell_activate_item (menu_shell,
1390 menu_shell->active_menu_item,
1393 _gtk_menu_item_popup_submenu (menu_shell->active_menu_item, FALSE);
1398 gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell)
1400 /* Unset the active menu item so gtk_menu_popdown() doesn't see it.
1402 gtk_menu_shell_deselect (menu_shell);
1404 gtk_menu_shell_deactivate (menu_shell);
1405 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
1409 gtk_real_menu_shell_cycle_focus (GtkMenuShell *menu_shell,
1410 GtkDirectionType dir)
1412 while (menu_shell && !GTK_IS_MENU_BAR (menu_shell))
1414 if (menu_shell->parent_menu_shell)
1415 menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
1421 _gtk_menu_bar_cycle_focus (GTK_MENU_BAR (menu_shell), dir);
1425 _gtk_menu_shell_get_popup_delay (GtkMenuShell *menu_shell)
1427 GtkMenuShellClass *klass = GTK_MENU_SHELL_GET_CLASS (menu_shell);
1429 if (klass->get_popup_delay)
1431 return klass->get_popup_delay (menu_shell);
1436 GtkWidget *widget = GTK_WIDGET (menu_shell);
1438 g_object_get (gtk_widget_get_settings (widget),
1439 "gtk-menu-popup-delay", &popup_delay,
1447 * gtk_menu_shell_cancel:
1448 * @menu_shell: a #GtkMenuShell
1450 * Cancels the selection within the menu shell.
1455 gtk_menu_shell_cancel (GtkMenuShell *menu_shell)
1457 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1459 g_signal_emit (menu_shell, menu_shell_signals[CANCEL], 0);
1462 static GtkMnemonicHash *
1463 gtk_menu_shell_get_mnemonic_hash (GtkMenuShell *menu_shell,
1466 GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1468 if (!private->mnemonic_hash && create)
1469 private->mnemonic_hash = _gtk_mnemonic_hash_new ();
1471 return private->mnemonic_hash;
1475 menu_shell_add_mnemonic_foreach (guint keyval,
1479 GtkKeyHash *key_hash = data;
1481 _gtk_key_hash_add_entry (key_hash, keyval, 0, GUINT_TO_POINTER (keyval));
1485 gtk_menu_shell_get_key_hash (GtkMenuShell *menu_shell,
1488 GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1489 GtkWidget *widget = GTK_WIDGET (menu_shell);
1491 if (!private->key_hash && create && gtk_widget_has_screen (widget))
1493 GtkMnemonicHash *mnemonic_hash = gtk_menu_shell_get_mnemonic_hash (menu_shell, FALSE);
1494 GdkScreen *screen = gtk_widget_get_screen (widget);
1495 GdkKeymap *keymap = gdk_keymap_get_for_display (gdk_screen_get_display (screen));
1500 private->key_hash = _gtk_key_hash_new (keymap, NULL);
1502 _gtk_mnemonic_hash_foreach (mnemonic_hash,
1503 menu_shell_add_mnemonic_foreach,
1507 return private->key_hash;
1511 gtk_menu_shell_reset_key_hash (GtkMenuShell *menu_shell)
1513 GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1515 if (private->key_hash)
1517 _gtk_key_hash_free (private->key_hash);
1518 private->key_hash = NULL;
1523 gtk_menu_shell_activate_mnemonic (GtkMenuShell *menu_shell,
1526 GtkMnemonicHash *mnemonic_hash;
1527 GtkKeyHash *key_hash;
1529 gboolean result = FALSE;
1531 mnemonic_hash = gtk_menu_shell_get_mnemonic_hash (menu_shell, FALSE);
1535 key_hash = gtk_menu_shell_get_key_hash (menu_shell, TRUE);
1539 entries = _gtk_key_hash_lookup (key_hash,
1540 event->hardware_keycode,
1542 gtk_accelerator_get_default_mod_mask (),
1546 result = _gtk_mnemonic_hash_activate (mnemonic_hash,
1547 GPOINTER_TO_UINT (entries->data));
1553 _gtk_menu_shell_add_mnemonic (GtkMenuShell *menu_shell,
1557 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1558 g_return_if_fail (GTK_IS_WIDGET (target));
1560 _gtk_mnemonic_hash_add (gtk_menu_shell_get_mnemonic_hash (menu_shell, TRUE),
1562 gtk_menu_shell_reset_key_hash (menu_shell);
1566 _gtk_menu_shell_remove_mnemonic (GtkMenuShell *menu_shell,
1570 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1571 g_return_if_fail (GTK_IS_WIDGET (target));
1573 _gtk_mnemonic_hash_remove (gtk_menu_shell_get_mnemonic_hash (menu_shell, TRUE),
1575 gtk_menu_shell_reset_key_hash (menu_shell);
1579 * gtk_menu_shell_get_take_focus:
1580 * @menu_shell: a #GtkMenuShell
1582 * Returns %TRUE if the menu shell will take the keyboard focus on popup.
1584 * Returns: %TRUE if the menu shell will take the keyboard focus on popup.
1589 gtk_menu_shell_get_take_focus (GtkMenuShell *menu_shell)
1591 GtkMenuShellPrivate *priv;
1593 g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
1595 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1597 return priv->take_focus;
1601 * gtk_menu_shell_set_take_focus:
1602 * @menu_shell: a #GtkMenuShell
1603 * @take_focus: %TRUE if the menu shell should take the keyboard focus on popup.
1605 * If @take_focus is %TRUE (the default) the menu shell will take the keyboard
1606 * focus so that it will receive all keyboard events which is needed to enable
1607 * keyboard navigation in menus.
1609 * Setting @take_focus to %FALSE is useful only for special applications
1610 * like virtual keyboard implementations which should not take keyboard
1613 * The @take_focus state of a menu or menu bar is automatically propagated
1614 * to submenus whenever a submenu is popped up, so you don't have to worry
1615 * about recursively setting it for your entire menu hierarchy. Only when
1616 * programmatically picking a submenu and popping it up manually, the
1617 * @take_focus property of the submenu needs to be set explicitely.
1619 * Note that setting it to %FALSE has side-effects:
1621 * If the focus is in some other app, it keeps the focus and keynav in
1622 * the menu doesn't work. Consequently, keynav on the menu will only
1623 * work if the focus is on some toplevel owned by the onscreen keyboard.
1625 * To avoid confusing the user, menus with @take_focus set to %FALSE
1626 * should not display mnemonics or accelerators, since it cannot be
1627 * guaranteed that they will work.
1629 * See also gdk_keyboard_grab()
1634 gtk_menu_shell_set_take_focus (GtkMenuShell *menu_shell,
1635 gboolean take_focus)
1637 GtkMenuShellPrivate *priv;
1639 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1641 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1643 if (priv->take_focus != take_focus)
1645 priv->take_focus = take_focus;
1646 g_object_notify (G_OBJECT (menu_shell), "take-focus");
1650 #define __GTK_MENU_SHELL_C__
1651 #include "gtkaliasdef.c"