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
29 #include "gdk/gdkkeysyms.h"
30 #include "gtkbindings.h"
32 #include "gtkmarshalers.h"
33 #include "gtkmenubar.h"
34 #include "gtkmenuitem.h"
35 #include "gtkmenushell.h"
36 #include "gtktearoffmenuitem.h"
37 #include "gtkwindow.h"
39 #define MENU_SHELL_TIMEOUT 500
51 typedef void (*GtkMenuShellSignal1) (GtkObject *object,
52 GtkMenuDirectionType arg1,
54 typedef void (*GtkMenuShellSignal2) (GtkObject *object,
60 * A menu item can be "selected", this means that it is displayed
61 * in the prelight state, and if it has a submenu, that submenu
64 * A menu is "active" when it is visible onscreen and the user
65 * is selecting from it. A menubar is not active until the user
66 * clicks on one of its menuitems. When a menu is active,
67 * passing the mouse over a submenu will pop it up.
69 * menu_shell->active_menu_item, is however, not an "active"
70 * menu item (there is no such thing) but rather, the selected
71 * menu item in that MenuShell, if there is one.
73 * There is also is a concept of the current menu and a current
74 * menu item. The current menu item is the selected menu item
75 * that is furthest down in the heirarchy. (Every active menu_shell
76 * does not necessarily contain a selected menu item, but if
77 * it does, then menu_shell->parent_menu_shell must also contain
78 * a selected menu item. The current menu is the menu that
79 * contains the current menu_item. It will always have a GTK
80 * grab and receive all key presses.
85 * ::move_current (GtkMenuDirection *dir)
86 * Moves the current menu item in direction 'dir':
88 * GTK_MENU_DIR_PARENT: To the parent menu shell
89 * GTK_MENU_DIR_CHILD: To the child menu shell (if this item has
91 * GTK_MENU_DIR_NEXT/PREV: To the next or previous item
94 * As a a bit of a hack to get movement between menus and
95 * menubars working, if submenu_placement is different for
96 * the menu and its MenuShell then the following apply:
98 * - For 'parent' the current menu is not just moved to
99 * the parent, but moved to the previous entry in the parent
100 * - For 'child', if there is no child, then current is
101 * moved to the next item in the parent.
104 * ::activate_current (GBoolean *force_hide)
105 * Activate the current item. If 'force_hide' is true, hide
106 * the current menu item always. Otherwise, only hide
107 * it if menu_item->klass->hide_on_activate is true.
110 * Cancels the current selection
113 static void gtk_menu_shell_class_init (GtkMenuShellClass *klass);
114 static void gtk_menu_shell_init (GtkMenuShell *menu_shell);
115 static void gtk_menu_shell_realize (GtkWidget *widget);
116 static gint gtk_menu_shell_button_press (GtkWidget *widget,
117 GdkEventButton *event);
118 static gint gtk_menu_shell_button_release (GtkWidget *widget,
119 GdkEventButton *event);
120 static gint gtk_menu_shell_key_press (GtkWidget *widget,
122 static gint gtk_menu_shell_enter_notify (GtkWidget *widget,
123 GdkEventCrossing *event);
124 static gint gtk_menu_shell_leave_notify (GtkWidget *widget,
125 GdkEventCrossing *event);
126 static void gtk_menu_shell_add (GtkContainer *container,
128 static void gtk_menu_shell_remove (GtkContainer *container,
130 static void gtk_menu_shell_forall (GtkContainer *container,
131 gboolean include_internals,
132 GtkCallback callback,
133 gpointer callback_data);
134 static void gtk_menu_shell_real_insert (GtkMenuShell *menu_shell,
137 static void gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell);
138 static gint gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
140 static GtkWidget *gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
142 static GType gtk_menu_shell_child_type (GtkContainer *container);
143 static void gtk_menu_shell_real_select_item (GtkMenuShell *menu_shell,
144 GtkWidget *menu_item);
145 static void gtk_menu_shell_select_submenu_first (GtkMenuShell *menu_shell);
147 static void gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
148 GtkMenuDirectionType direction);
149 static void gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
150 gboolean force_hide);
151 static void gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell);
152 static void gtk_real_menu_shell_cycle_focus (GtkMenuShell *menu_shell,
153 GtkDirectionType dir);
155 static GtkContainerClass *parent_class = NULL;
156 static guint menu_shell_signals[LAST_SIGNAL] = { 0 };
160 gtk_menu_shell_get_type (void)
162 static GType menu_shell_type = 0;
164 if (!menu_shell_type)
166 static const GTypeInfo menu_shell_info =
168 sizeof (GtkMenuShellClass),
169 NULL, /* base_init */
170 NULL, /* base_finalize */
171 (GClassInitFunc) gtk_menu_shell_class_init,
172 NULL, /* class_finalize */
173 NULL, /* class_data */
174 sizeof (GtkMenuShell),
176 (GInstanceInitFunc) gtk_menu_shell_init,
177 NULL, /* value_table */
181 g_type_register_static (GTK_TYPE_CONTAINER, "GtkMenuShell",
182 &menu_shell_info, G_TYPE_FLAG_ABSTRACT);
185 return menu_shell_type;
189 gtk_menu_shell_class_init (GtkMenuShellClass *klass)
191 GObjectClass *object_class;
192 GtkWidgetClass *widget_class;
193 GtkContainerClass *container_class;
195 GtkBindingSet *binding_set;
197 object_class = (GObjectClass*) klass;
198 widget_class = (GtkWidgetClass*) klass;
199 container_class = (GtkContainerClass*) klass;
201 parent_class = g_type_class_peek_parent (klass);
203 widget_class->realize = gtk_menu_shell_realize;
204 widget_class->button_press_event = gtk_menu_shell_button_press;
205 widget_class->button_release_event = gtk_menu_shell_button_release;
206 widget_class->key_press_event = gtk_menu_shell_key_press;
207 widget_class->enter_notify_event = gtk_menu_shell_enter_notify;
208 widget_class->leave_notify_event = gtk_menu_shell_leave_notify;
210 container_class->add = gtk_menu_shell_add;
211 container_class->remove = gtk_menu_shell_remove;
212 container_class->forall = gtk_menu_shell_forall;
213 container_class->child_type = gtk_menu_shell_child_type;
215 klass->submenu_placement = GTK_TOP_BOTTOM;
216 klass->deactivate = gtk_real_menu_shell_deactivate;
217 klass->selection_done = NULL;
218 klass->move_current = gtk_real_menu_shell_move_current;
219 klass->activate_current = gtk_real_menu_shell_activate_current;
220 klass->cancel = gtk_real_menu_shell_cancel;
221 klass->select_item = gtk_menu_shell_real_select_item;
222 klass->insert = gtk_menu_shell_real_insert;
224 menu_shell_signals[DEACTIVATE] =
225 g_signal_new ("deactivate",
226 G_OBJECT_CLASS_TYPE (object_class),
228 G_STRUCT_OFFSET (GtkMenuShellClass, deactivate),
230 _gtk_marshal_VOID__VOID,
232 menu_shell_signals[SELECTION_DONE] =
233 g_signal_new ("selection-done",
234 G_OBJECT_CLASS_TYPE (object_class),
236 G_STRUCT_OFFSET (GtkMenuShellClass, selection_done),
238 _gtk_marshal_VOID__VOID,
240 menu_shell_signals[MOVE_CURRENT] =
241 g_signal_new ("move_current",
242 G_OBJECT_CLASS_TYPE (object_class),
243 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
244 G_STRUCT_OFFSET (GtkMenuShellClass, move_current),
246 _gtk_marshal_VOID__ENUM,
248 GTK_TYPE_MENU_DIRECTION_TYPE);
249 menu_shell_signals[ACTIVATE_CURRENT] =
250 g_signal_new ("activate_current",
251 G_OBJECT_CLASS_TYPE (object_class),
252 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
253 G_STRUCT_OFFSET (GtkMenuShellClass, activate_current),
255 _gtk_marshal_VOID__BOOLEAN,
258 menu_shell_signals[CANCEL] =
259 g_signal_new ("cancel",
260 G_OBJECT_CLASS_TYPE (object_class),
261 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
262 G_STRUCT_OFFSET (GtkMenuShellClass, cancel),
264 _gtk_marshal_VOID__VOID,
266 menu_shell_signals[CYCLE_FOCUS] =
267 _gtk_binding_signal_new ("cycle_focus",
268 G_OBJECT_CLASS_TYPE (object_class),
269 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
270 G_CALLBACK (gtk_real_menu_shell_cycle_focus),
272 _gtk_marshal_VOID__ENUM,
274 GTK_TYPE_DIRECTION_TYPE);
277 binding_set = gtk_binding_set_by_class (klass);
278 gtk_binding_entry_add_signal (binding_set,
281 gtk_binding_entry_add_signal (binding_set,
283 "activate_current", 1,
286 gtk_binding_entry_add_signal (binding_set,
288 "activate_current", 1,
291 gtk_binding_entry_add_signal (binding_set,
293 "activate_current", 1,
296 gtk_binding_entry_add_signal (binding_set,
298 "activate_current", 1,
301 gtk_binding_entry_add_signal (binding_set,
304 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
305 gtk_binding_entry_add_signal (binding_set,
306 GDK_F10, GDK_SHIFT_MASK,
308 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
312 gtk_menu_shell_child_type (GtkContainer *container)
314 return GTK_TYPE_MENU_ITEM;
318 gtk_menu_shell_init (GtkMenuShell *menu_shell)
320 menu_shell->children = NULL;
321 menu_shell->active_menu_item = NULL;
322 menu_shell->parent_menu_shell = NULL;
323 menu_shell->active = FALSE;
324 menu_shell->have_grab = FALSE;
325 menu_shell->have_xgrab = FALSE;
326 menu_shell->ignore_leave = FALSE;
327 menu_shell->button = 0;
328 menu_shell->menu_flag = 0;
329 menu_shell->activate_time = 0;
333 gtk_menu_shell_append (GtkMenuShell *menu_shell,
336 gtk_menu_shell_insert (menu_shell, child, -1);
340 gtk_menu_shell_prepend (GtkMenuShell *menu_shell,
343 gtk_menu_shell_insert (menu_shell, child, 0);
347 gtk_menu_shell_insert (GtkMenuShell *menu_shell,
351 GtkMenuShellClass *class;
353 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
354 g_return_if_fail (GTK_IS_MENU_ITEM (child));
356 class = GTK_MENU_SHELL_GET_CLASS (menu_shell);
359 class->insert (menu_shell, child, position);
363 gtk_menu_shell_real_insert (GtkMenuShell *menu_shell,
367 menu_shell->children = g_list_insert (menu_shell->children, child, position);
369 gtk_widget_set_parent (child, GTK_WIDGET (menu_shell));
373 gtk_menu_shell_deactivate (GtkMenuShell *menu_shell)
375 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
377 g_signal_emit (menu_shell, menu_shell_signals[DEACTIVATE], 0);
381 gtk_menu_shell_realize (GtkWidget *widget)
383 GdkWindowAttr attributes;
384 gint attributes_mask;
386 g_return_if_fail (GTK_IS_MENU_SHELL (widget));
388 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
390 attributes.x = widget->allocation.x;
391 attributes.y = widget->allocation.y;
392 attributes.width = widget->allocation.width;
393 attributes.height = widget->allocation.height;
394 attributes.window_type = GDK_WINDOW_CHILD;
395 attributes.wclass = GDK_INPUT_OUTPUT;
396 attributes.visual = gtk_widget_get_visual (widget);
397 attributes.colormap = gtk_widget_get_colormap (widget);
398 attributes.event_mask = gtk_widget_get_events (widget);
399 attributes.event_mask |= (GDK_EXPOSURE_MASK |
400 GDK_BUTTON_PRESS_MASK |
401 GDK_BUTTON_RELEASE_MASK |
403 GDK_ENTER_NOTIFY_MASK |
404 GDK_LEAVE_NOTIFY_MASK);
406 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
407 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
408 gdk_window_set_user_data (widget->window, widget);
410 widget->style = gtk_style_attach (widget->style, widget->window);
411 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
415 _gtk_menu_shell_activate (GtkMenuShell *menu_shell)
417 if (!menu_shell->active)
419 gtk_grab_add (GTK_WIDGET (menu_shell));
420 menu_shell->have_grab = TRUE;
421 menu_shell->active = TRUE;
426 gtk_menu_shell_button_press (GtkWidget *widget,
427 GdkEventButton *event)
429 GtkMenuShell *menu_shell;
430 GtkWidget *menu_item;
432 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
433 g_return_val_if_fail (event != NULL, FALSE);
435 if (event->type != GDK_BUTTON_PRESS)
438 menu_shell = GTK_MENU_SHELL (widget);
440 if (menu_shell->parent_menu_shell)
442 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
444 else if (!menu_shell->active || !menu_shell->button)
446 _gtk_menu_shell_activate (menu_shell);
448 menu_shell->button = event->button;
450 menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent *)event);
452 if (menu_item && _gtk_menu_item_is_selectable (menu_item))
454 if ((menu_item->parent == widget) &&
455 (menu_item != menu_shell->active_menu_item))
457 if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement == GTK_TOP_BOTTOM)
458 g_object_set_data (G_OBJECT (menu_shell),
459 "gtk-menushell-just-activated",
460 GUINT_TO_POINTER (1));
461 gtk_menu_shell_select_item (menu_shell, menu_item);
467 widget = gtk_get_event_widget ((GdkEvent*) event);
468 if (widget == GTK_WIDGET (menu_shell))
470 gtk_menu_shell_deactivate (menu_shell);
471 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
479 gtk_menu_shell_button_release (GtkWidget *widget,
480 GdkEventButton *event)
482 GtkMenuShell *menu_shell;
483 GtkWidget *menu_item;
486 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
487 g_return_val_if_fail (event != NULL, FALSE);
489 menu_shell = GTK_MENU_SHELL (widget);
490 if (menu_shell->active)
492 gboolean deactivate_immediately = FALSE;
494 if (menu_shell->button && (event->button != menu_shell->button))
496 menu_shell->button = 0;
497 if (menu_shell->parent_menu_shell)
498 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
501 menu_shell->button = 0;
502 menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent*) event);
507 && GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement == GTK_TOP_BOTTOM)
509 if (g_object_get_data (G_OBJECT (menu_shell), "gtk-menushell-just-activated"))
510 g_object_set_data (G_OBJECT (menu_shell), "gtk-menushell-just-activated", NULL);
512 deactivate_immediately = TRUE;
515 if ((event->time - menu_shell->activate_time) > MENU_SHELL_TIMEOUT)
517 if (deactivate_immediately)
519 gtk_menu_shell_deactivate (menu_shell);
523 if (menu_item && (menu_shell->active_menu_item == menu_item) &&
524 _gtk_menu_item_is_selectable (menu_item))
526 if (GTK_MENU_ITEM (menu_item)->submenu == NULL)
528 gtk_menu_shell_activate_item (menu_shell, menu_item, TRUE);
532 else if (menu_item && !_gtk_menu_item_is_selectable (menu_item))
534 else if (menu_shell->parent_menu_shell)
536 menu_shell->active = TRUE;
537 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
543 /* We only ever want to prevent deactivation on the first
544 * press/release. Setting the time to zero is a bit of a
545 * hack, since we could be being triggered in the first
546 * few fractions of a second after a server time wraparound.
547 * the chances of that happening are ~1/10^6, without
548 * serious harm if we lose.
550 menu_shell->activate_time = 0;
554 /* If the button click was very fast, or we ended up on a submenu,
558 (menu_item && (menu_shell->active_menu_item == menu_item)))
561 menu_shell->ignore_leave = TRUE;
568 gtk_menu_shell_deactivate (menu_shell);
569 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
577 gtk_menu_shell_key_press (GtkWidget *widget,
580 GtkMenuShell *menu_shell;
583 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
584 g_return_val_if_fail (event != NULL, FALSE);
586 menu_shell = GTK_MENU_SHELL (widget);
588 if (!menu_shell->active_menu_item && menu_shell->parent_menu_shell)
589 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent *)event);
591 if (_gtk_bindings_activate_event (GTK_OBJECT (widget), event))
594 toplevel = gtk_widget_get_toplevel (widget);
595 if (GTK_IS_WINDOW (toplevel) &&
596 _gtk_window_activate_key (GTK_WINDOW (toplevel), event))
603 gtk_menu_shell_enter_notify (GtkWidget *widget,
604 GdkEventCrossing *event)
606 GtkMenuShell *menu_shell;
607 GtkWidget *menu_item;
609 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
610 g_return_val_if_fail (event != NULL, FALSE);
612 menu_shell = GTK_MENU_SHELL (widget);
614 if (menu_shell->active)
616 menu_item = gtk_get_event_widget ((GdkEvent*) event);
619 (GTK_IS_MENU_ITEM (menu_item) &&
620 !_gtk_menu_item_is_selectable (menu_item)))
623 if ((menu_item->parent == widget) &&
624 (menu_shell->active_menu_item != menu_item) &&
625 GTK_IS_MENU_ITEM (menu_item))
627 if (menu_shell->ignore_enter)
630 if ((event->detail != GDK_NOTIFY_INFERIOR) &&
631 (GTK_WIDGET_STATE (menu_item) != GTK_STATE_PRELIGHT))
633 gtk_menu_shell_select_item (menu_shell, menu_item);
636 else if (menu_shell->parent_menu_shell)
638 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
646 gtk_menu_shell_leave_notify (GtkWidget *widget,
647 GdkEventCrossing *event)
649 GtkMenuShell *menu_shell;
650 GtkMenuItem *menu_item;
651 GtkWidget *event_widget;
653 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
654 g_return_val_if_fail (event != NULL, FALSE);
656 if (GTK_WIDGET_VISIBLE (widget))
658 menu_shell = GTK_MENU_SHELL (widget);
659 event_widget = gtk_get_event_widget ((GdkEvent*) event);
661 if (!event_widget || !GTK_IS_MENU_ITEM (event_widget))
664 menu_item = GTK_MENU_ITEM (event_widget);
666 if (menu_shell->ignore_leave)
668 menu_shell->ignore_leave = FALSE;
672 if (!_gtk_menu_item_is_selectable (event_widget))
675 if ((menu_shell->active_menu_item == event_widget) &&
676 (menu_item->submenu == NULL))
678 if ((event->detail != GDK_NOTIFY_INFERIOR) &&
679 (GTK_WIDGET_STATE (menu_item) != GTK_STATE_NORMAL))
681 gtk_menu_shell_deselect (menu_shell);
684 else if (menu_shell->parent_menu_shell)
686 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
694 gtk_menu_shell_add (GtkContainer *container,
697 gtk_menu_shell_append (GTK_MENU_SHELL (container), widget);
701 gtk_menu_shell_remove (GtkContainer *container,
704 GtkMenuShell *menu_shell;
707 g_return_if_fail (GTK_IS_MENU_SHELL (container));
708 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
710 was_visible = GTK_WIDGET_VISIBLE (widget);
711 menu_shell = GTK_MENU_SHELL (container);
712 menu_shell->children = g_list_remove (menu_shell->children, widget);
714 if (widget == menu_shell->active_menu_item)
716 gtk_item_deselect (GTK_ITEM (menu_shell->active_menu_item));
717 menu_shell->active_menu_item = NULL;
720 gtk_widget_unparent (widget);
722 /* queue resize regardless of GTK_WIDGET_VISIBLE (container),
723 * since that's what is needed by toplevels.
726 gtk_widget_queue_resize (GTK_WIDGET (container));
730 gtk_menu_shell_forall (GtkContainer *container,
731 gboolean include_internals,
732 GtkCallback callback,
733 gpointer callback_data)
735 GtkMenuShell *menu_shell;
739 g_return_if_fail (GTK_IS_MENU_SHELL (container));
740 g_return_if_fail (callback != NULL);
742 menu_shell = GTK_MENU_SHELL (container);
744 children = menu_shell->children;
747 child = children->data;
748 children = children->next;
750 (* callback) (child, callback_data);
756 gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell)
758 if (menu_shell->active)
760 menu_shell->button = 0;
761 menu_shell->active = FALSE;
763 if (menu_shell->active_menu_item)
765 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
766 menu_shell->active_menu_item = NULL;
769 if (menu_shell->have_grab)
771 menu_shell->have_grab = FALSE;
772 gtk_grab_remove (GTK_WIDGET (menu_shell));
774 if (menu_shell->have_xgrab)
776 GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (menu_shell));
778 menu_shell->have_xgrab = FALSE;
779 gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
780 gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME);
786 gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
791 g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
792 g_return_val_if_fail (child != NULL, FALSE);
794 parent = child->parent;
795 while (parent && GTK_IS_MENU_SHELL (parent))
797 if (parent == (GtkWidget*) menu_shell)
799 parent = GTK_MENU_SHELL (parent)->parent_menu_shell;
806 gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
809 GtkWidget *menu_item;
811 menu_item = gtk_get_event_widget ((GdkEvent*) event);
813 while (menu_item && !GTK_IS_MENU_ITEM (menu_item))
814 menu_item = menu_item->parent;
816 if (menu_item && gtk_menu_shell_is_item (menu_shell, menu_item))
822 /* Handlers for action signals */
825 gtk_menu_shell_select_item (GtkMenuShell *menu_shell,
826 GtkWidget *menu_item)
828 GtkMenuShellClass *class;
830 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
831 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
833 class = GTK_MENU_SHELL_GET_CLASS (menu_shell);
835 if (class->select_item &&
836 !(menu_shell->active &&
837 menu_shell->active_menu_item == menu_item))
838 class->select_item (menu_shell, menu_item);
841 void _gtk_menu_item_set_placement (GtkMenuItem *menu_item,
842 GtkSubmenuPlacement placement);
845 gtk_menu_shell_real_select_item (GtkMenuShell *menu_shell,
846 GtkWidget *menu_item)
848 gtk_menu_shell_deselect (menu_shell);
850 if (!_gtk_menu_item_is_selectable (menu_item))
853 menu_shell->active_menu_item = menu_item;
854 _gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
855 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement);
856 gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
858 /* This allows the bizarre radio buttons-with-submenus-display-history
861 if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
862 gtk_widget_activate (menu_shell->active_menu_item);
866 gtk_menu_shell_deselect (GtkMenuShell *menu_shell)
868 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
870 if (menu_shell->active_menu_item)
872 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
873 menu_shell->active_menu_item = NULL;
878 gtk_menu_shell_activate_item (GtkMenuShell *menu_shell,
879 GtkWidget *menu_item,
880 gboolean force_deactivate)
882 GSList *slist, *shells = NULL;
883 gboolean deactivate = force_deactivate;
885 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
886 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
889 deactivate = GTK_MENU_ITEM_GET_CLASS (menu_item)->hide_on_activate;
891 g_object_ref (menu_shell);
895 GtkMenuShell *parent_menu_shell = menu_shell;
899 g_object_ref (parent_menu_shell);
900 shells = g_slist_prepend (shells, parent_menu_shell);
901 parent_menu_shell = (GtkMenuShell*) parent_menu_shell->parent_menu_shell;
903 while (parent_menu_shell);
904 shells = g_slist_reverse (shells);
906 gtk_menu_shell_deactivate (menu_shell);
908 /* flush the x-queue, so any grabs are removed and
909 * the menu is actually taken down
911 gdk_display_sync (gtk_widget_get_display (menu_item));
914 gtk_widget_activate (menu_item);
916 for (slist = shells; slist; slist = slist->next)
918 g_signal_emit (slist->data, menu_shell_signals[SELECTION_DONE], 0);
919 g_object_unref (slist->data);
921 g_slist_free (shells);
923 g_object_unref (menu_shell);
926 /* Distance should be +/- 1 */
928 gtk_menu_shell_move_selected (GtkMenuShell *menu_shell,
931 if (menu_shell->active_menu_item)
933 GList *node = g_list_find (menu_shell->children,
934 menu_shell->active_menu_item);
935 GList *start_node = node;
940 while (node != start_node &&
941 (!node || !_gtk_menu_item_is_selectable (node->data)))
944 node = menu_shell->children;
952 while (node != start_node &&
953 (!node || !_gtk_menu_item_is_selectable (node->data)))
956 node = g_list_last (menu_shell->children);
963 gtk_menu_shell_select_item (menu_shell, node->data);
968 * gtk_menu_shell_select_first:
969 * @menu_shell: a #GtkMenuShell
970 * @search_sensitive: if %TRUE, search for the first selectable
971 * menu item, otherwise select nothing if
972 * the first item isn't sensitive. This
973 * should be %FALSE if the menu is being
974 * popped up initially.
976 * Select the first visible or selectable child of the menu shell;
977 * don't select tearoff items unless the only item is a tearoff
983 gtk_menu_shell_select_first (GtkMenuShell *menu_shell,
984 gboolean search_sensitive)
986 GtkWidget *to_select = NULL;
989 tmp_list = menu_shell->children;
992 GtkWidget *child = tmp_list->data;
994 if ((!search_sensitive && GTK_WIDGET_VISIBLE (child)) ||
995 _gtk_menu_item_is_selectable (child))
998 if (!GTK_IS_TEAROFF_MENU_ITEM (child))
1002 tmp_list = tmp_list->next;
1006 gtk_menu_shell_select_item (menu_shell, to_select);
1010 _gtk_menu_shell_select_last (GtkMenuShell *menu_shell,
1011 gboolean search_sensitive)
1013 GtkWidget *to_select = NULL;
1016 tmp_list = g_list_last (menu_shell->children);
1019 GtkWidget *child = tmp_list->data;
1021 if ((!search_sensitive && GTK_WIDGET_VISIBLE (child)) ||
1022 _gtk_menu_item_is_selectable (child))
1025 if (!GTK_IS_TEAROFF_MENU_ITEM (child))
1029 tmp_list = tmp_list->prev;
1033 gtk_menu_shell_select_item (menu_shell, to_select);
1037 gtk_menu_shell_select_submenu_first (GtkMenuShell *menu_shell)
1039 GtkMenuItem *menu_item;
1041 menu_item = GTK_MENU_ITEM (menu_shell->active_menu_item);
1043 if (menu_item->submenu)
1044 gtk_menu_shell_select_first (GTK_MENU_SHELL (menu_item->submenu), TRUE);
1048 gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
1049 GtkMenuDirectionType direction)
1051 GtkMenuShell *parent_menu_shell = NULL;
1052 gboolean had_selection;
1054 had_selection = menu_shell->active_menu_item != NULL;
1056 if (menu_shell->parent_menu_shell)
1057 parent_menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
1061 case GTK_MENU_DIR_PARENT:
1062 if (parent_menu_shell)
1064 if (GTK_MENU_SHELL_GET_CLASS (parent_menu_shell)->submenu_placement ==
1065 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement)
1066 gtk_menu_shell_deselect (menu_shell);
1069 gtk_menu_shell_move_selected (parent_menu_shell, -1);
1070 gtk_menu_shell_select_submenu_first (parent_menu_shell);
1075 case GTK_MENU_DIR_CHILD:
1076 if (menu_shell->active_menu_item &&
1077 _gtk_menu_item_is_selectable (menu_shell->active_menu_item) &&
1078 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
1080 gtk_menu_shell_select_submenu_first (menu_shell);
1084 /* Try to find a menu running the opposite direction */
1085 while (parent_menu_shell &&
1086 (GTK_MENU_SHELL_GET_CLASS (parent_menu_shell)->submenu_placement ==
1087 GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement))
1089 GtkWidget *tmp_widget = parent_menu_shell->parent_menu_shell;
1092 parent_menu_shell = GTK_MENU_SHELL (tmp_widget);
1094 parent_menu_shell = NULL;
1097 if (parent_menu_shell)
1099 gtk_menu_shell_move_selected (parent_menu_shell, 1);
1100 gtk_menu_shell_select_submenu_first (parent_menu_shell);
1105 case GTK_MENU_DIR_PREV:
1106 gtk_menu_shell_move_selected (menu_shell, -1);
1107 if (!had_selection &&
1108 !menu_shell->active_menu_item &&
1109 menu_shell->children)
1110 _gtk_menu_shell_select_last (menu_shell, TRUE);
1112 case GTK_MENU_DIR_NEXT:
1113 gtk_menu_shell_move_selected (menu_shell, 1);
1114 if (!had_selection &&
1115 !menu_shell->active_menu_item &&
1116 menu_shell->children)
1117 gtk_menu_shell_select_first (menu_shell, TRUE);
1124 gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
1125 gboolean force_hide)
1127 if (menu_shell->active_menu_item &&
1128 _gtk_menu_item_is_selectable (menu_shell->active_menu_item) &&
1129 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu == NULL)
1131 gtk_menu_shell_activate_item (menu_shell,
1132 menu_shell->active_menu_item,
1138 gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell)
1140 /* Unset the active menu item so gtk_menu_popdown() doesn't see it.
1142 gtk_menu_shell_deselect (menu_shell);
1144 gtk_menu_shell_deactivate (menu_shell);
1145 g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
1149 gtk_real_menu_shell_cycle_focus (GtkMenuShell *menu_shell,
1150 GtkDirectionType dir)
1152 while (menu_shell && !GTK_IS_MENU_BAR (menu_shell))
1154 if (menu_shell->parent_menu_shell)
1155 menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
1161 _gtk_menu_bar_cycle_focus (GTK_MENU_BAR (menu_shell), dir);
1165 _gtk_menu_shell_get_popup_delay (GtkMenuShell *menu_shell)
1167 GtkMenuShellClass *klass = GTK_MENU_SHELL_GET_CLASS (menu_shell);
1169 if (klass->get_popup_delay)
1171 return klass->get_popup_delay (menu_shell);
1176 GtkWidget *widget = GTK_WIDGET (menu_shell);
1178 g_object_get (G_OBJECT (gtk_widget_get_settings (widget)),
1179 "gtk-menu-popup-delay", &popup_delay,