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"
35 #include "gtkmarshalers.h"
37 #include "gtkmenubar.h"
38 #include "gtkmenuitem.h"
39 #include "gtkmenushell.h"
40 #include "gtkmnemonichash.h"
41 #include "gtktearoffmenuitem.h"
42 #include "gtkwindow.h"
43 #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)
71 * A menu item can be "selected", this means that it is displayed
72 * in the prelight state, and if it has a submenu, that submenu
75 * A menu is "active" when it is visible onscreen and the user
76 * is selecting from it. A menubar is not active until the user
77 * clicks on one of its menuitems. When a menu is active,
78 * passing the mouse over a submenu will pop it up.
80 * menu_shell->active_menu_item, is however, not an "active"
81 * menu item (there is no such thing) but rather, the selected
82 * menu item in that MenuShell, if there is one.
84 * There is also is a concept of the current menu and a current
85 * menu item. The current menu item is the selected menu item
86 * that is furthest down in the hierarchy. (Every active menu_shell
87 * does not necessarily contain a selected menu item, but if
88 * it does, then menu_shell->parent_menu_shell must also contain
89 * a selected menu item. The current menu is the menu that
90 * contains the current menu_item. It will always have a GTK
91 * grab and receive all key presses.
96 * ::move_current (GtkMenuDirection *dir)
97 * Moves the current menu item in direction 'dir':
99 * GTK_MENU_DIR_PARENT: To the parent menu shell
100 * GTK_MENU_DIR_CHILD: To the child menu shell (if this item has
102 * GTK_MENU_DIR_NEXT/PREV: To the next or previous item
105 * As a a bit of a hack to get movement between menus and
106 * menubars working, if submenu_placement is different for
107 * the menu and its MenuShell then the following apply:
109 * - For 'parent' the current menu is not just moved to
110 * the parent, but moved to the previous entry in the parent
111 * - For 'child', if there is no child, then current is
112 * moved to the next item in the parent.
114 * Note that the above explanation of ::move_current was written
115 * before menus and menubars had support for RTL flipping and
116 * different packing directions, and therefore only applies for
117 * when text direction and packing direction are both left-to-right.
119 * ::activate_current (GBoolean *force_hide)
120 * Activate the current item. If 'force_hide' is true, hide
121 * the current menu item always. Otherwise, only hide
122 * it if menu_item->klass->hide_on_activate is true.
125 * Cancels the current selection
128 #define GTK_MENU_SHELL_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_MENU_SHELL, GtkMenuShellPrivate))
130 typedef struct _GtkMenuShellPrivate GtkMenuShellPrivate;
132 struct _GtkMenuShellPrivate
134 GtkMnemonicHash *mnemonic_hash;
135 GtkKeyHash *key_hash;
137 GdkDevice *grab_pointer;
139 guint take_focus : 1;
140 guint activated_submenu : 1;
141 /* This flag is a crutch to keep mnemonics in the same menu
142 * if the user moves the mouse over an unselectable menuitem.
144 guint in_unselectable_item : 1;
147 static void gtk_menu_shell_set_property (GObject *object,
151 static void gtk_menu_shell_get_property (GObject *object,
155 static void gtk_menu_shell_realize (GtkWidget *widget);
156 static void gtk_menu_shell_finalize (GObject *object);
157 static gint gtk_menu_shell_button_press (GtkWidget *widget,
158 GdkEventButton *event);
159 static gint gtk_menu_shell_button_release (GtkWidget *widget,
160 GdkEventButton *event);
161 static gint gtk_menu_shell_key_press (GtkWidget *widget,
163 static gint gtk_menu_shell_enter_notify (GtkWidget *widget,
164 GdkEventCrossing *event);
165 static gint gtk_menu_shell_leave_notify (GtkWidget *widget,
166 GdkEventCrossing *event);
167 static void gtk_menu_shell_screen_changed (GtkWidget *widget,
168 GdkScreen *previous_screen);
169 static gboolean gtk_menu_shell_grab_broken (GtkWidget *widget,
170 GdkEventGrabBroken *event);
171 static void gtk_menu_shell_add (GtkContainer *container,
173 static void gtk_menu_shell_remove (GtkContainer *container,
175 static void gtk_menu_shell_forall (GtkContainer *container,
176 gboolean include_internals,
177 GtkCallback callback,
178 gpointer callback_data);
179 static void gtk_menu_shell_real_insert (GtkMenuShell *menu_shell,
182 static void gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell);
183 static gint gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
185 static GtkWidget *gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
187 static GType gtk_menu_shell_child_type (GtkContainer *container);
188 static void gtk_menu_shell_real_select_item (GtkMenuShell *menu_shell,
189 GtkWidget *menu_item);
190 static gboolean gtk_menu_shell_select_submenu_first (GtkMenuShell *menu_shell);
192 static void gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
193 GtkMenuDirectionType direction);
194 static void gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
195 gboolean force_hide);
196 static void gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell);
197 static void gtk_real_menu_shell_cycle_focus (GtkMenuShell *menu_shell,
198 GtkDirectionType dir);
200 static void gtk_menu_shell_reset_key_hash (GtkMenuShell *menu_shell);
201 static gboolean gtk_menu_shell_activate_mnemonic (GtkMenuShell *menu_shell,
203 static gboolean gtk_menu_shell_real_move_selected (GtkMenuShell *menu_shell,
206 static guint menu_shell_signals[LAST_SIGNAL] = { 0 };
208 G_DEFINE_ABSTRACT_TYPE (GtkMenuShell, gtk_menu_shell, GTK_TYPE_CONTAINER)
211 gtk_menu_shell_class_init (GtkMenuShellClass *klass)
213 GObjectClass *object_class;
214 GtkWidgetClass *widget_class;
215 GtkContainerClass *container_class;
217 GtkBindingSet *binding_set;
219 object_class = (GObjectClass*) klass;
220 widget_class = (GtkWidgetClass*) klass;
221 container_class = (GtkContainerClass*) klass;
223 object_class->set_property = gtk_menu_shell_set_property;
224 object_class->get_property = gtk_menu_shell_get_property;
225 object_class->finalize = gtk_menu_shell_finalize;
227 widget_class->realize = gtk_menu_shell_realize;
228 widget_class->button_press_event = gtk_menu_shell_button_press;
229 widget_class->button_release_event = gtk_menu_shell_button_release;
230 widget_class->grab_broken_event = gtk_menu_shell_grab_broken;
231 widget_class->key_press_event = gtk_menu_shell_key_press;
232 widget_class->enter_notify_event = gtk_menu_shell_enter_notify;
233 widget_class->leave_notify_event = gtk_menu_shell_leave_notify;
234 widget_class->screen_changed = gtk_menu_shell_screen_changed;
236 container_class->add = gtk_menu_shell_add;
237 container_class->remove = gtk_menu_shell_remove;
238 container_class->forall = gtk_menu_shell_forall;
239 container_class->child_type = gtk_menu_shell_child_type;
241 klass->submenu_placement = GTK_TOP_BOTTOM;
242 klass->deactivate = gtk_real_menu_shell_deactivate;
243 klass->selection_done = NULL;
244 klass->move_current = gtk_real_menu_shell_move_current;
245 klass->activate_current = gtk_real_menu_shell_activate_current;
246 klass->cancel = gtk_real_menu_shell_cancel;
247 klass->select_item = gtk_menu_shell_real_select_item;
248 klass->insert = gtk_menu_shell_real_insert;
249 klass->move_selected = gtk_menu_shell_real_move_selected;
251 menu_shell_signals[DEACTIVATE] =
252 g_signal_new (I_("deactivate"),
253 G_OBJECT_CLASS_TYPE (object_class),
255 G_STRUCT_OFFSET (GtkMenuShellClass, deactivate),
257 _gtk_marshal_VOID__VOID,
260 menu_shell_signals[SELECTION_DONE] =
261 g_signal_new (I_("selection-done"),
262 G_OBJECT_CLASS_TYPE (object_class),
264 G_STRUCT_OFFSET (GtkMenuShellClass, selection_done),
266 _gtk_marshal_VOID__VOID,
269 menu_shell_signals[MOVE_CURRENT] =
270 g_signal_new (I_("move-current"),
271 G_OBJECT_CLASS_TYPE (object_class),
272 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
273 G_STRUCT_OFFSET (GtkMenuShellClass, move_current),
275 _gtk_marshal_VOID__ENUM,
277 GTK_TYPE_MENU_DIRECTION_TYPE);
279 menu_shell_signals[ACTIVATE_CURRENT] =
280 g_signal_new (I_("activate-current"),
281 G_OBJECT_CLASS_TYPE (object_class),
282 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
283 G_STRUCT_OFFSET (GtkMenuShellClass, activate_current),
285 _gtk_marshal_VOID__BOOLEAN,
289 menu_shell_signals[CANCEL] =
290 g_signal_new (I_("cancel"),
291 G_OBJECT_CLASS_TYPE (object_class),
292 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
293 G_STRUCT_OFFSET (GtkMenuShellClass, cancel),
295 _gtk_marshal_VOID__VOID,
298 menu_shell_signals[CYCLE_FOCUS] =
299 g_signal_new_class_handler (I_("cycle-focus"),
300 G_OBJECT_CLASS_TYPE (object_class),
301 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
302 G_CALLBACK (gtk_real_menu_shell_cycle_focus),
304 _gtk_marshal_VOID__ENUM,
306 GTK_TYPE_DIRECTION_TYPE);
309 * GtkMenuShell::move-selected:
310 * @menu_shell: the object on which the signal is emitted
311 * @distance: +1 to move to the next item, -1 to move to the previous
313 * The ::move-selected signal is emitted to move the selection to
316 * Returns: %TRUE to stop the signal emission, %FALSE to continue
320 menu_shell_signals[MOVE_SELECTED] =
321 g_signal_new (I_("move-selected"),
322 G_OBJECT_CLASS_TYPE (object_class),
324 G_STRUCT_OFFSET (GtkMenuShellClass, move_selected),
325 _gtk_boolean_handled_accumulator, NULL,
326 _gtk_marshal_BOOLEAN__INT,
330 binding_set = gtk_binding_set_by_class (klass);
331 gtk_binding_entry_add_signal (binding_set,
334 gtk_binding_entry_add_signal (binding_set,
336 "activate-current", 1,
339 gtk_binding_entry_add_signal (binding_set,
341 "activate-current", 1,
344 gtk_binding_entry_add_signal (binding_set,
346 "activate-current", 1,
349 gtk_binding_entry_add_signal (binding_set,
351 "activate-current", 1,
354 gtk_binding_entry_add_signal (binding_set,
356 "activate-current", 1,
359 gtk_binding_entry_add_signal (binding_set,
362 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
363 gtk_binding_entry_add_signal (binding_set,
364 GDK_F10, GDK_SHIFT_MASK,
366 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
369 * GtkMenuShell:take-focus:
371 * A boolean that determines whether the menu and its submenus grab the
372 * keyboard focus. See gtk_menu_shell_set_take_focus() and
373 * gtk_menu_shell_get_take_focus().
377 g_object_class_install_property (object_class,
379 g_param_spec_boolean ("take-focus",
381 P_("A boolean that determines whether the menu grabs the keyboard focus"),
383 GTK_PARAM_READWRITE));
385 g_type_class_add_private (object_class, sizeof (GtkMenuShellPrivate));
389 gtk_menu_shell_child_type (GtkContainer *container)
391 return GTK_TYPE_MENU_ITEM;
395 gtk_menu_shell_init (GtkMenuShell *menu_shell)
397 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
399 menu_shell->children = NULL;
400 menu_shell->active_menu_item = NULL;
401 menu_shell->parent_menu_shell = NULL;
402 menu_shell->active = FALSE;
403 menu_shell->have_grab = FALSE;
404 menu_shell->have_xgrab = FALSE;
405 menu_shell->button = 0;
406 menu_shell->activate_time = 0;
408 priv->mnemonic_hash = NULL;
409 priv->key_hash = NULL;
410 priv->take_focus = TRUE;
411 priv->activated_submenu = FALSE;
415 gtk_menu_shell_set_property (GObject *object,
420 GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
424 case PROP_TAKE_FOCUS:
425 gtk_menu_shell_set_take_focus (menu_shell, g_value_get_boolean (value));
428 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
434 gtk_menu_shell_get_property (GObject *object,
439 GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
443 case PROP_TAKE_FOCUS:
444 g_value_set_boolean (value, gtk_menu_shell_get_take_focus (menu_shell));
447 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
453 gtk_menu_shell_finalize (GObject *object)
455 GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
456 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
458 if (priv->mnemonic_hash)
459 _gtk_mnemonic_hash_free (priv->mnemonic_hash);
461 _gtk_key_hash_free (priv->key_hash);
463 G_OBJECT_CLASS (gtk_menu_shell_parent_class)->finalize (object);
468 gtk_menu_shell_append (GtkMenuShell *menu_shell,
471 gtk_menu_shell_insert (menu_shell, child, -1);
475 gtk_menu_shell_prepend (GtkMenuShell *menu_shell,
478 gtk_menu_shell_insert (menu_shell, child, 0);
482 gtk_menu_shell_insert (GtkMenuShell *menu_shell,
486 GtkMenuShellClass *class;
488 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
489 g_return_if_fail (GTK_IS_MENU_ITEM (child));
491 class = GTK_MENU_SHELL_GET_CLASS (menu_shell);
494 class->insert (menu_shell, child, position);
498 gtk_menu_shell_real_insert (GtkMenuShell *menu_shell,
502 menu_shell->children = g_list_insert (menu_shell->children, child, position);
504 gtk_widget_set_parent (child, GTK_WIDGET (menu_shell));
508 gtk_menu_shell_deactivate (GtkMenuShell *menu_shell)
510 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
512 g_signal_emit (menu_shell, menu_shell_signals[DEACTIVATE], 0);
516 gtk_menu_shell_realize (GtkWidget *widget)
518 GdkWindowAttr attributes;
519 gint attributes_mask;
521 gtk_widget_set_realized (widget, TRUE);
523 attributes.x = widget->allocation.x;
524 attributes.y = widget->allocation.y;
525 attributes.width = widget->allocation.width;
526 attributes.height = widget->allocation.height;
527 attributes.window_type = GDK_WINDOW_CHILD;
528 attributes.wclass = GDK_INPUT_OUTPUT;
529 attributes.visual = gtk_widget_get_visual (widget);
530 attributes.colormap = gtk_widget_get_colormap (widget);
531 attributes.event_mask = gtk_widget_get_events (widget);
532 attributes.event_mask |= (GDK_EXPOSURE_MASK |
533 GDK_BUTTON_PRESS_MASK |
534 GDK_BUTTON_RELEASE_MASK |
536 GDK_ENTER_NOTIFY_MASK |
537 GDK_LEAVE_NOTIFY_MASK);
539 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
540 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
541 gdk_window_set_user_data (widget->window, widget);
543 widget->style = gtk_style_attach (widget->style, widget->window);
544 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
548 _gtk_menu_shell_activate (GtkMenuShell *menu_shell)
550 if (!menu_shell->active)
554 device = gtk_get_current_event_device ();
556 _gtk_menu_shell_set_grab_device (menu_shell, device);
557 gtk_device_grab_add (GTK_WIDGET (menu_shell), device, TRUE);
559 menu_shell->have_grab = TRUE;
560 menu_shell->active = TRUE;
565 gtk_menu_shell_button_press (GtkWidget *widget,
566 GdkEventButton *event)
568 GtkMenuShell *menu_shell;
569 GtkWidget *menu_item;
571 if (event->type != GDK_BUTTON_PRESS)
574 menu_shell = GTK_MENU_SHELL (widget);
576 if (menu_shell->parent_menu_shell)
577 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
579 menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent *)event);
581 if (menu_item && _gtk_menu_item_is_selectable (menu_item) &&
582 menu_item != GTK_MENU_SHELL (menu_item->parent)->active_menu_item)
584 /* select the menu item *before* activating the shell, so submenus
585 * which might be open are closed the friendly way. If we activate
586 * (and thus grab) this menu shell first, we might get grab_broken
587 * events which will close the entire menu hierarchy. Selecting the
588 * menu item also fixes up the state as if enter_notify() would
589 * have run before (which normally selects the item).
591 if (GTK_MENU_SHELL_GET_CLASS (menu_item->parent)->submenu_placement != GTK_TOP_BOTTOM)
593 gtk_menu_shell_select_item (GTK_MENU_SHELL (menu_item->parent), menu_item);
597 if (!menu_shell->active || !menu_shell->button)
599 _gtk_menu_shell_activate (menu_shell);
601 menu_shell->button = event->button;
603 if (menu_item && _gtk_menu_item_is_selectable (menu_item) &&
604 menu_item->parent == widget &&
605 menu_item != menu_shell->active_menu_item)
607 if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement == GTK_TOP_BOTTOM)
609 menu_shell->activate_time = event->time;
610 gtk_menu_shell_select_item (menu_shell, menu_item);
616 widget = gtk_get_event_widget ((GdkEvent*) event);
617 if (widget == GTK_WIDGET (menu_shell))
619 gtk_menu_shell_deactivate (menu_shell);
620 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
624 if (menu_item && _gtk_menu_item_is_selectable (menu_item) &&
625 GTK_MENU_ITEM (menu_item)->submenu != NULL &&
626 !gtk_widget_get_visible (GTK_MENU_ITEM (menu_item)->submenu))
628 GtkMenuShellPrivate *priv;
630 _gtk_menu_item_popup_submenu (menu_item, FALSE);
632 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_item->parent);
633 priv->activated_submenu = TRUE;
640 gtk_menu_shell_grab_broken (GtkWidget *widget,
641 GdkEventGrabBroken *event)
643 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
645 if (menu_shell->have_xgrab && event->grab_window == NULL)
647 /* Unset the active menu item so gtk_menu_popdown() doesn't see it.
650 gtk_menu_shell_deselect (menu_shell);
652 gtk_menu_shell_deactivate (menu_shell);
653 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
660 gtk_menu_shell_button_release (GtkWidget *widget,
661 GdkEventButton *event)
663 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
664 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (widget);
666 if (menu_shell->active)
668 GtkWidget *menu_item;
669 gboolean deactivate = TRUE;
671 if (menu_shell->button && (event->button != menu_shell->button))
673 menu_shell->button = 0;
674 if (menu_shell->parent_menu_shell)
675 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
678 menu_shell->button = 0;
679 menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent*) event);
681 if ((event->time - menu_shell->activate_time) > MENU_SHELL_TIMEOUT)
683 if (menu_item && (menu_shell->active_menu_item == menu_item) &&
684 _gtk_menu_item_is_selectable (menu_item))
686 GtkWidget *submenu = GTK_MENU_ITEM (menu_item)->submenu;
690 gtk_menu_shell_activate_item (menu_shell, menu_item, TRUE);
694 else if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM ||
695 priv->activated_submenu)
698 GTimeVal *popup_time;
699 gint64 usec_since_popup = 0;
701 g_object_get (gtk_widget_get_settings (widget),
702 "gtk-menu-popdown-delay", &popdown_delay,
705 popup_time = g_object_get_data (G_OBJECT (submenu),
706 "gtk-menu-exact-popup-time");
710 GTimeVal current_time;
712 g_get_current_time (¤t_time);
714 usec_since_popup = ((gint64) current_time.tv_sec * 1000 * 1000 +
715 (gint64) current_time.tv_usec -
716 (gint64) popup_time->tv_sec * 1000 * 1000 -
717 (gint64) popup_time->tv_usec);
719 g_object_set_data (G_OBJECT (submenu),
720 "gtk-menu-exact-popup-time", NULL);
723 /* only close the submenu on click if we opened the
724 * menu explicitely (usec_since_popup == 0) or
725 * enough time has passed since it was opened by
726 * GtkMenuItem's timeout (usec_since_popup > delay).
728 if (!priv->activated_submenu &&
729 (usec_since_popup == 0 ||
730 usec_since_popup > popdown_delay * 1000))
732 _gtk_menu_item_popdown_submenu (menu_item);
736 gtk_menu_item_select (GTK_MENU_ITEM (menu_item));
742 else if (menu_item &&
743 !_gtk_menu_item_is_selectable (menu_item) &&
744 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM)
748 else if (menu_shell->parent_menu_shell)
750 menu_shell->active = TRUE;
751 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
755 /* If we ended up on an item with a submenu, leave the menu up.
757 if (menu_item && (menu_shell->active_menu_item == menu_item) &&
758 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM)
763 else /* a very fast press-release */
765 /* We only ever want to prevent deactivation on the first
766 * press/release. Setting the time to zero is a bit of a
767 * hack, since we could be being triggered in the first
768 * few fractions of a second after a server time wraparound.
769 * the chances of that happening are ~1/10^6, without
770 * serious harm if we lose.
772 menu_shell->activate_time = 0;
778 gtk_menu_shell_deactivate (menu_shell);
779 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
782 priv->activated_submenu = FALSE;
789 _gtk_menu_shell_set_keyboard_mode (GtkMenuShell *menu_shell,
790 gboolean keyboard_mode)
792 menu_shell->keyboard_mode = keyboard_mode;
796 _gtk_menu_shell_get_keyboard_mode (GtkMenuShell *menu_shell)
798 return menu_shell->keyboard_mode;
802 _gtk_menu_shell_update_mnemonics (GtkMenuShell *menu_shell)
804 GtkMenuShell *target;
805 gboolean auto_mnemonics;
807 gboolean mnemonics_visible;
809 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
810 "gtk-auto-mnemonics", &auto_mnemonics, NULL);
819 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (target);
820 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (target));
822 /* The idea with keyboard mode is that once you start using
823 * the keyboard to navigate the menus, we show mnemonics
824 * until the menu navigation is over. To that end, we spread
825 * the keyboard mode upwards in the menu hierarchy here.
826 * Also see gtk_menu_popup, where we inherit it downwards.
828 if (menu_shell->keyboard_mode)
829 target->keyboard_mode = TRUE;
831 /* While navigating menus, the first parent menu with an active
832 * item is the one where mnemonics are effective, as can be seen
833 * in gtk_menu_shell_key_press below.
834 * We also show mnemonics in context menus. The grab condition is
835 * necessary to ensure we remove underlines from menu bars when
838 mnemonics_visible = target->keyboard_mode &&
839 (((target->active_menu_item || priv->in_unselectable_item) && !found) ||
840 (target == menu_shell &&
841 !target->parent_menu_shell &&
842 gtk_widget_has_grab (GTK_WIDGET (target))));
844 /* While menus are up, only show underlines inside the menubar,
845 * not in the entire window.
847 if (GTK_IS_MENU_BAR (target))
849 gtk_window_set_mnemonics_visible (GTK_WINDOW (toplevel), FALSE);
850 _gtk_label_mnemonics_visible_apply_recursively (GTK_WIDGET (target),
854 gtk_window_set_mnemonics_visible (GTK_WINDOW (toplevel), mnemonics_visible);
856 if (target->active_menu_item || priv->in_unselectable_item)
859 target = GTK_MENU_SHELL (target->parent_menu_shell);
864 gtk_menu_shell_key_press (GtkWidget *widget,
867 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
868 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
869 gboolean enable_mnemonics;
871 menu_shell->keyboard_mode = TRUE;
873 if (!(menu_shell->active_menu_item || priv->in_unselectable_item) && menu_shell->parent_menu_shell)
874 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent *)event);
876 if (gtk_bindings_activate_event (GTK_OBJECT (widget), event))
879 g_object_get (gtk_widget_get_settings (widget),
880 "gtk-enable-mnemonics", &enable_mnemonics,
883 if (enable_mnemonics)
884 return gtk_menu_shell_activate_mnemonic (menu_shell, event);
890 gtk_menu_shell_enter_notify (GtkWidget *widget,
891 GdkEventCrossing *event)
893 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
895 if (event->mode == GDK_CROSSING_GTK_GRAB ||
896 event->mode == GDK_CROSSING_GTK_UNGRAB ||
897 event->mode == GDK_CROSSING_STATE_CHANGED)
900 if (menu_shell->active)
902 GtkWidget *menu_item;
904 menu_item = gtk_get_event_widget ((GdkEvent*) event);
909 if (GTK_IS_MENU_ITEM (menu_item) &&
910 !_gtk_menu_item_is_selectable (menu_item))
912 GtkMenuShellPrivate *priv;
914 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
915 priv->in_unselectable_item = TRUE;
920 if (menu_item->parent == widget &&
921 GTK_IS_MENU_ITEM (menu_item))
923 if (menu_shell->ignore_enter)
926 if (event->detail != GDK_NOTIFY_INFERIOR)
928 if (gtk_widget_get_state (menu_item) != GTK_STATE_PRELIGHT)
929 gtk_menu_shell_select_item (menu_shell, menu_item);
931 /* If any mouse button is down, and there is a submenu
932 * that is not yet visible, activate it. It's sufficient
933 * to check for any button's mask (not only the one
934 * matching menu_shell->button), because there is no
935 * situation a mouse button could be pressed while
936 * entering a menu item where we wouldn't want to show
939 if ((event->state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK)) &&
940 GTK_MENU_ITEM (menu_item)->submenu != NULL)
942 GtkMenuShellPrivate *priv;
944 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_item->parent);
945 priv->activated_submenu = TRUE;
947 if (!gtk_widget_get_visible (GTK_MENU_ITEM (menu_item)->submenu))
949 gboolean touchscreen_mode;
951 g_object_get (gtk_widget_get_settings (widget),
952 "gtk-touchscreen-mode", &touchscreen_mode,
955 if (touchscreen_mode)
956 _gtk_menu_item_popup_submenu (menu_item, TRUE);
961 else if (menu_shell->parent_menu_shell)
963 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
971 gtk_menu_shell_leave_notify (GtkWidget *widget,
972 GdkEventCrossing *event)
974 if (event->mode == GDK_CROSSING_GTK_GRAB ||
975 event->mode == GDK_CROSSING_GTK_GRAB ||
976 event->mode == GDK_CROSSING_STATE_CHANGED)
979 if (gtk_widget_get_visible (widget))
981 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
982 GtkWidget *event_widget = gtk_get_event_widget ((GdkEvent*) event);
983 GtkMenuItem *menu_item;
985 if (!event_widget || !GTK_IS_MENU_ITEM (event_widget))
988 menu_item = GTK_MENU_ITEM (event_widget);
990 if (!_gtk_menu_item_is_selectable (event_widget))
992 GtkMenuShellPrivate *priv;
994 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
995 priv->in_unselectable_item = TRUE;
1000 if ((menu_shell->active_menu_item == event_widget) &&
1001 (menu_item->submenu == NULL))
1003 if ((event->detail != GDK_NOTIFY_INFERIOR) &&
1004 (gtk_widget_get_state (GTK_WIDGET (menu_item)) != GTK_STATE_NORMAL))
1006 gtk_menu_shell_deselect (menu_shell);
1009 else if (menu_shell->parent_menu_shell)
1011 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
1019 gtk_menu_shell_screen_changed (GtkWidget *widget,
1020 GdkScreen *previous_screen)
1022 gtk_menu_shell_reset_key_hash (GTK_MENU_SHELL (widget));
1026 gtk_menu_shell_add (GtkContainer *container,
1029 gtk_menu_shell_append (GTK_MENU_SHELL (container), widget);
1033 gtk_menu_shell_remove (GtkContainer *container,
1036 GtkMenuShell *menu_shell = GTK_MENU_SHELL (container);
1039 was_visible = gtk_widget_get_visible (widget);
1040 menu_shell->children = g_list_remove (menu_shell->children, widget);
1042 if (widget == menu_shell->active_menu_item)
1044 gtk_item_deselect (GTK_ITEM (menu_shell->active_menu_item));
1045 menu_shell->active_menu_item = NULL;
1048 gtk_widget_unparent (widget);
1050 /* queue resize regardless of gtk_widget_get_visible (container),
1051 * since that's what is needed by toplevels.
1054 gtk_widget_queue_resize (GTK_WIDGET (container));
1058 gtk_menu_shell_forall (GtkContainer *container,
1059 gboolean include_internals,
1060 GtkCallback callback,
1061 gpointer callback_data)
1063 GtkMenuShell *menu_shell = GTK_MENU_SHELL (container);
1067 children = menu_shell->children;
1070 child = children->data;
1071 children = children->next;
1073 (* callback) (child, callback_data);
1079 gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell)
1081 if (menu_shell->active)
1083 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1085 menu_shell->button = 0;
1086 menu_shell->active = FALSE;
1087 menu_shell->activate_time = 0;
1089 if (menu_shell->active_menu_item)
1091 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
1092 menu_shell->active_menu_item = NULL;
1095 if (menu_shell->have_grab)
1097 menu_shell->have_grab = FALSE;
1098 gtk_device_grab_remove (GTK_WIDGET (menu_shell), priv->grab_pointer);
1100 if (menu_shell->have_xgrab)
1102 GdkDevice *keyboard;
1104 gdk_device_ungrab (priv->grab_pointer, GDK_CURRENT_TIME);
1105 keyboard = gdk_device_get_associated_device (priv->grab_pointer);
1108 gdk_device_ungrab (keyboard, GDK_CURRENT_TIME);
1110 menu_shell->have_xgrab = FALSE;
1113 menu_shell->keyboard_mode = FALSE;
1114 _gtk_menu_shell_set_grab_device (menu_shell, NULL);
1116 _gtk_menu_shell_update_mnemonics (menu_shell);
1121 gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
1126 g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
1127 g_return_val_if_fail (child != NULL, FALSE);
1129 parent = child->parent;
1130 while (GTK_IS_MENU_SHELL (parent))
1132 if (parent == (GtkWidget*) menu_shell)
1134 parent = GTK_MENU_SHELL (parent)->parent_menu_shell;
1141 gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
1144 GtkWidget *menu_item;
1146 menu_item = gtk_get_event_widget ((GdkEvent*) event);
1148 while (menu_item && !GTK_IS_MENU_ITEM (menu_item))
1149 menu_item = menu_item->parent;
1151 if (menu_item && gtk_menu_shell_is_item (menu_shell, menu_item))
1157 /* Handlers for action signals */
1160 gtk_menu_shell_select_item (GtkMenuShell *menu_shell,
1161 GtkWidget *menu_item)
1163 GtkMenuShellClass *class;
1165 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1166 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1168 class = GTK_MENU_SHELL_GET_CLASS (menu_shell);
1170 if (class->select_item &&
1171 !(menu_shell->active &&
1172 menu_shell->active_menu_item == menu_item))
1173 class->select_item (menu_shell, menu_item);
1176 void _gtk_menu_item_set_placement (GtkMenuItem *menu_item,
1177 GtkSubmenuPlacement placement);
1180 gtk_menu_shell_real_select_item (GtkMenuShell *menu_shell,
1181 GtkWidget *menu_item)
1183 GtkPackDirection pack_dir = PACK_DIRECTION (menu_shell);
1185 if (menu_shell->active_menu_item)
1187 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
1188 menu_shell->active_menu_item = NULL;
1191 if (!_gtk_menu_item_is_selectable (menu_item))
1193 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1195 priv->in_unselectable_item = TRUE;
1196 _gtk_menu_shell_update_mnemonics (menu_shell);
1201 menu_shell->active_menu_item = menu_item;
1202 if (pack_dir == GTK_PACK_DIRECTION_TTB || pack_dir == GTK_PACK_DIRECTION_BTT)
1203 _gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
1206 _gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
1207 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement);
1208 gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
1210 _gtk_menu_shell_update_mnemonics (menu_shell);
1212 /* This allows the bizarre radio buttons-with-submenus-display-history
1215 if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
1216 gtk_widget_activate (menu_shell->active_menu_item);
1220 gtk_menu_shell_deselect (GtkMenuShell *menu_shell)
1222 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1224 if (menu_shell->active_menu_item)
1226 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
1227 menu_shell->active_menu_item = NULL;
1228 _gtk_menu_shell_update_mnemonics (menu_shell);
1233 gtk_menu_shell_activate_item (GtkMenuShell *menu_shell,
1234 GtkWidget *menu_item,
1235 gboolean force_deactivate)
1237 GSList *slist, *shells = NULL;
1238 gboolean deactivate = force_deactivate;
1240 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1241 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1244 deactivate = GTK_MENU_ITEM_GET_CLASS (menu_item)->hide_on_activate;
1246 g_object_ref (menu_shell);
1247 g_object_ref (menu_item);
1251 GtkMenuShell *parent_menu_shell = menu_shell;
1255 g_object_ref (parent_menu_shell);
1256 shells = g_slist_prepend (shells, parent_menu_shell);
1257 parent_menu_shell = (GtkMenuShell*) parent_menu_shell->parent_menu_shell;
1259 while (parent_menu_shell);
1260 shells = g_slist_reverse (shells);
1262 gtk_menu_shell_deactivate (menu_shell);
1264 /* flush the x-queue, so any grabs are removed and
1265 * the menu is actually taken down
1267 gdk_display_sync (gtk_widget_get_display (menu_item));
1270 gtk_widget_activate (menu_item);
1272 for (slist = shells; slist; slist = slist->next)
1274 g_signal_emit (slist->data, menu_shell_signals[SELECTION_DONE], 0);
1275 g_object_unref (slist->data);
1277 g_slist_free (shells);
1279 g_object_unref (menu_shell);
1280 g_object_unref (menu_item);
1283 /* Distance should be +/- 1 */
1285 gtk_menu_shell_real_move_selected (GtkMenuShell *menu_shell,
1288 if (menu_shell->active_menu_item)
1290 GList *node = g_list_find (menu_shell->children,
1291 menu_shell->active_menu_item);
1292 GList *start_node = node;
1293 gboolean wrap_around;
1295 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
1296 "gtk-keynav-wrap-around", &wrap_around,
1302 while (node != start_node &&
1303 (!node || !_gtk_menu_item_is_selectable (node->data)))
1307 else if (wrap_around)
1308 node = menu_shell->children;
1311 gtk_widget_error_bell (GTK_WIDGET (menu_shell));
1319 while (node != start_node &&
1320 (!node || !_gtk_menu_item_is_selectable (node->data)))
1324 else if (wrap_around)
1325 node = g_list_last (menu_shell->children);
1328 gtk_widget_error_bell (GTK_WIDGET (menu_shell));
1335 gtk_menu_shell_select_item (menu_shell, node->data);
1341 /* Distance should be +/- 1 */
1343 gtk_menu_shell_move_selected (GtkMenuShell *menu_shell,
1346 gboolean handled = FALSE;
1348 g_signal_emit (menu_shell, menu_shell_signals[MOVE_SELECTED], 0,
1349 distance, &handled);
1353 * gtk_menu_shell_select_first:
1354 * @menu_shell: a #GtkMenuShell
1355 * @search_sensitive: if %TRUE, search for the first selectable
1356 * menu item, otherwise select nothing if
1357 * the first item isn't sensitive. This
1358 * should be %FALSE if the menu is being
1359 * popped up initially.
1361 * Select the first visible or selectable child of the menu shell;
1362 * don't select tearoff items unless the only item is a tearoff
1368 gtk_menu_shell_select_first (GtkMenuShell *menu_shell,
1369 gboolean search_sensitive)
1371 GtkWidget *to_select = NULL;
1374 tmp_list = menu_shell->children;
1377 GtkWidget *child = tmp_list->data;
1379 if ((!search_sensitive && gtk_widget_get_visible (child)) ||
1380 _gtk_menu_item_is_selectable (child))
1383 if (!GTK_IS_TEAROFF_MENU_ITEM (child))
1387 tmp_list = tmp_list->next;
1391 gtk_menu_shell_select_item (menu_shell, to_select);
1395 _gtk_menu_shell_select_last (GtkMenuShell *menu_shell,
1396 gboolean search_sensitive)
1398 GtkWidget *to_select = NULL;
1401 tmp_list = g_list_last (menu_shell->children);
1404 GtkWidget *child = tmp_list->data;
1406 if ((!search_sensitive && gtk_widget_get_visible (child)) ||
1407 _gtk_menu_item_is_selectable (child))
1410 if (!GTK_IS_TEAROFF_MENU_ITEM (child))
1414 tmp_list = tmp_list->prev;
1418 gtk_menu_shell_select_item (menu_shell, to_select);
1422 gtk_menu_shell_select_submenu_first (GtkMenuShell *menu_shell)
1424 GtkMenuItem *menu_item;
1426 if (menu_shell->active_menu_item == NULL)
1429 menu_item = GTK_MENU_ITEM (menu_shell->active_menu_item);
1431 if (menu_item->submenu)
1433 _gtk_menu_item_popup_submenu (GTK_WIDGET (menu_item), FALSE);
1434 gtk_menu_shell_select_first (GTK_MENU_SHELL (menu_item->submenu), TRUE);
1435 if (GTK_MENU_SHELL (menu_item->submenu)->active_menu_item)
1443 gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
1444 GtkMenuDirectionType direction)
1446 GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1447 GtkMenuShell *parent_menu_shell = NULL;
1448 gboolean had_selection;
1449 gboolean touchscreen_mode;
1451 priv->in_unselectable_item = FALSE;
1453 had_selection = menu_shell->active_menu_item != NULL;
1455 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
1456 "gtk-touchscreen-mode", &touchscreen_mode,
1459 if (menu_shell->parent_menu_shell)
1460 parent_menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
1464 case GTK_MENU_DIR_PARENT:
1465 if (touchscreen_mode &&
1466 menu_shell->active_menu_item &&
1467 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu &&
1468 gtk_widget_get_visible (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu))
1470 /* if we are on a menu item that has an open submenu but the
1471 * focus is not in that submenu (e.g. because it's empty or
1472 * has only insensitive items), close that submenu instead
1473 * of running into the code below which would close *this*
1476 _gtk_menu_item_popdown_submenu (menu_shell->active_menu_item);
1477 _gtk_menu_shell_update_mnemonics (menu_shell);
1479 else if (parent_menu_shell)
1481 if (touchscreen_mode)
1483 /* close menu when returning from submenu. */
1484 _gtk_menu_item_popdown_submenu (GTK_MENU (menu_shell)->parent_menu_item);
1485 _gtk_menu_shell_update_mnemonics (parent_menu_shell);
1489 if (GTK_MENU_SHELL_GET_CLASS (parent_menu_shell)->submenu_placement ==
1490 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement)
1491 gtk_menu_shell_deselect (menu_shell);
1494 if (PACK_DIRECTION (parent_menu_shell) == GTK_PACK_DIRECTION_LTR)
1495 gtk_menu_shell_move_selected (parent_menu_shell, -1);
1497 gtk_menu_shell_move_selected (parent_menu_shell, 1);
1498 gtk_menu_shell_select_submenu_first (parent_menu_shell);
1501 /* If there is no parent and the submenu is in the opposite direction
1502 * to the menu, then make the PARENT direction wrap around to
1503 * the bottom of the submenu.
1505 else if (menu_shell->active_menu_item &&
1506 _gtk_menu_item_is_selectable (menu_shell->active_menu_item) &&
1507 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
1509 GtkMenuShell *submenu = GTK_MENU_SHELL (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu);
1511 if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement !=
1512 GTK_MENU_SHELL_GET_CLASS (submenu)->submenu_placement)
1513 _gtk_menu_shell_select_last (submenu, TRUE);
1517 case GTK_MENU_DIR_CHILD:
1518 if (menu_shell->active_menu_item &&
1519 _gtk_menu_item_is_selectable (menu_shell->active_menu_item) &&
1520 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
1522 if (gtk_menu_shell_select_submenu_first (menu_shell))
1526 /* Try to find a menu running the opposite direction */
1527 while (parent_menu_shell &&
1528 (GTK_MENU_SHELL_GET_CLASS (parent_menu_shell)->submenu_placement ==
1529 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement))
1531 parent_menu_shell = GTK_MENU_SHELL (parent_menu_shell->parent_menu_shell);
1534 if (parent_menu_shell)
1536 if (PACK_DIRECTION (parent_menu_shell) == GTK_PACK_DIRECTION_LTR)
1537 gtk_menu_shell_move_selected (parent_menu_shell, 1);
1539 gtk_menu_shell_move_selected (parent_menu_shell, -1);
1541 gtk_menu_shell_select_submenu_first (parent_menu_shell);
1545 case GTK_MENU_DIR_PREV:
1546 gtk_menu_shell_move_selected (menu_shell, -1);
1547 if (!had_selection &&
1548 !menu_shell->active_menu_item &&
1549 menu_shell->children)
1550 _gtk_menu_shell_select_last (menu_shell, TRUE);
1553 case GTK_MENU_DIR_NEXT:
1554 gtk_menu_shell_move_selected (menu_shell, 1);
1555 if (!had_selection &&
1556 !menu_shell->active_menu_item &&
1557 menu_shell->children)
1558 gtk_menu_shell_select_first (menu_shell, TRUE);
1564 gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
1565 gboolean force_hide)
1567 if (menu_shell->active_menu_item &&
1568 _gtk_menu_item_is_selectable (menu_shell->active_menu_item))
1570 if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu == NULL)
1571 gtk_menu_shell_activate_item (menu_shell,
1572 menu_shell->active_menu_item,
1575 _gtk_menu_item_popup_submenu (menu_shell->active_menu_item, FALSE);
1580 gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell)
1582 /* Unset the active menu item so gtk_menu_popdown() doesn't see it.
1584 gtk_menu_shell_deselect (menu_shell);
1586 gtk_menu_shell_deactivate (menu_shell);
1587 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
1591 gtk_real_menu_shell_cycle_focus (GtkMenuShell *menu_shell,
1592 GtkDirectionType dir)
1594 while (menu_shell && !GTK_IS_MENU_BAR (menu_shell))
1596 if (menu_shell->parent_menu_shell)
1597 menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
1603 _gtk_menu_bar_cycle_focus (GTK_MENU_BAR (menu_shell), dir);
1607 _gtk_menu_shell_get_popup_delay (GtkMenuShell *menu_shell)
1609 GtkMenuShellClass *klass = GTK_MENU_SHELL_GET_CLASS (menu_shell);
1611 if (klass->get_popup_delay)
1613 return klass->get_popup_delay (menu_shell);
1618 GtkWidget *widget = GTK_WIDGET (menu_shell);
1620 g_object_get (gtk_widget_get_settings (widget),
1621 "gtk-menu-popup-delay", &popup_delay,
1629 * gtk_menu_shell_cancel:
1630 * @menu_shell: a #GtkMenuShell
1632 * Cancels the selection within the menu shell.
1637 gtk_menu_shell_cancel (GtkMenuShell *menu_shell)
1639 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1641 g_signal_emit (menu_shell, menu_shell_signals[CANCEL], 0);
1644 static GtkMnemonicHash *
1645 gtk_menu_shell_get_mnemonic_hash (GtkMenuShell *menu_shell,
1648 GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1650 if (!private->mnemonic_hash && create)
1651 private->mnemonic_hash = _gtk_mnemonic_hash_new ();
1653 return private->mnemonic_hash;
1657 menu_shell_add_mnemonic_foreach (guint keyval,
1661 GtkKeyHash *key_hash = data;
1663 _gtk_key_hash_add_entry (key_hash, keyval, 0, GUINT_TO_POINTER (keyval));
1667 gtk_menu_shell_get_key_hash (GtkMenuShell *menu_shell,
1670 GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1671 GtkWidget *widget = GTK_WIDGET (menu_shell);
1673 if (!private->key_hash && create && gtk_widget_has_screen (widget))
1675 GtkMnemonicHash *mnemonic_hash = gtk_menu_shell_get_mnemonic_hash (menu_shell, FALSE);
1676 GdkScreen *screen = gtk_widget_get_screen (widget);
1677 GdkKeymap *keymap = gdk_keymap_get_for_display (gdk_screen_get_display (screen));
1682 private->key_hash = _gtk_key_hash_new (keymap, NULL);
1684 _gtk_mnemonic_hash_foreach (mnemonic_hash,
1685 menu_shell_add_mnemonic_foreach,
1689 return private->key_hash;
1693 gtk_menu_shell_reset_key_hash (GtkMenuShell *menu_shell)
1695 GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1697 if (private->key_hash)
1699 _gtk_key_hash_free (private->key_hash);
1700 private->key_hash = NULL;
1705 gtk_menu_shell_activate_mnemonic (GtkMenuShell *menu_shell,
1708 GtkMnemonicHash *mnemonic_hash;
1709 GtkKeyHash *key_hash;
1711 gboolean result = FALSE;
1713 mnemonic_hash = gtk_menu_shell_get_mnemonic_hash (menu_shell, FALSE);
1717 key_hash = gtk_menu_shell_get_key_hash (menu_shell, TRUE);
1721 entries = _gtk_key_hash_lookup (key_hash,
1722 event->hardware_keycode,
1724 gtk_accelerator_get_default_mod_mask (),
1728 result = _gtk_mnemonic_hash_activate (mnemonic_hash,
1729 GPOINTER_TO_UINT (entries->data));
1735 _gtk_menu_shell_add_mnemonic (GtkMenuShell *menu_shell,
1739 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1740 g_return_if_fail (GTK_IS_WIDGET (target));
1742 _gtk_mnemonic_hash_add (gtk_menu_shell_get_mnemonic_hash (menu_shell, TRUE),
1744 gtk_menu_shell_reset_key_hash (menu_shell);
1748 _gtk_menu_shell_remove_mnemonic (GtkMenuShell *menu_shell,
1752 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1753 g_return_if_fail (GTK_IS_WIDGET (target));
1755 _gtk_mnemonic_hash_remove (gtk_menu_shell_get_mnemonic_hash (menu_shell, TRUE),
1757 gtk_menu_shell_reset_key_hash (menu_shell);
1761 _gtk_menu_shell_set_grab_device (GtkMenuShell *menu_shell,
1764 GtkMenuShellPrivate *priv;
1766 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1767 g_return_if_fail (!device || GDK_IS_DEVICE (device));
1769 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1772 priv->grab_pointer = NULL;
1773 else if (device->source == GDK_SOURCE_KEYBOARD)
1774 priv->grab_pointer = gdk_device_get_associated_device (device);
1776 priv->grab_pointer = device;
1780 _gtk_menu_shell_get_grab_device (GtkMenuShell *menu_shell)
1782 GtkMenuShellPrivate *priv;
1784 g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
1786 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1788 return priv->grab_pointer;
1792 * gtk_menu_shell_get_take_focus:
1793 * @menu_shell: a #GtkMenuShell
1795 * Returns %TRUE if the menu shell will take the keyboard focus on popup.
1797 * Returns: %TRUE if the menu shell will take the keyboard focus on popup.
1802 gtk_menu_shell_get_take_focus (GtkMenuShell *menu_shell)
1804 GtkMenuShellPrivate *priv;
1806 g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
1808 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1810 return priv->take_focus;
1814 * gtk_menu_shell_set_take_focus:
1815 * @menu_shell: a #GtkMenuShell
1816 * @take_focus: %TRUE if the menu shell should take the keyboard focus on popup.
1818 * If @take_focus is %TRUE (the default) the menu shell will take the keyboard
1819 * focus so that it will receive all keyboard events which is needed to enable
1820 * keyboard navigation in menus.
1822 * Setting @take_focus to %FALSE is useful only for special applications
1823 * like virtual keyboard implementations which should not take keyboard
1826 * The @take_focus state of a menu or menu bar is automatically propagated
1827 * to submenus whenever a submenu is popped up, so you don't have to worry
1828 * about recursively setting it for your entire menu hierarchy. Only when
1829 * programmatically picking a submenu and popping it up manually, the
1830 * @take_focus property of the submenu needs to be set explicitely.
1832 * Note that setting it to %FALSE has side-effects:
1834 * If the focus is in some other app, it keeps the focus and keynav in
1835 * the menu doesn't work. Consequently, keynav on the menu will only
1836 * work if the focus is on some toplevel owned by the onscreen keyboard.
1838 * To avoid confusing the user, menus with @take_focus set to %FALSE
1839 * should not display mnemonics or accelerators, since it cannot be
1840 * guaranteed that they will work.
1842 * See also gdk_keyboard_grab()
1847 gtk_menu_shell_set_take_focus (GtkMenuShell *menu_shell,
1848 gboolean take_focus)
1850 GtkMenuShellPrivate *priv;
1852 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
1854 priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
1856 if (priv->take_focus != take_focus)
1858 priv->take_focus = take_focus;
1859 g_object_notify (G_OBJECT (menu_shell), "take-focus");