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 Library 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 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library 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 1997-1999. 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 #include "gdk/gdkkeysyms.h"
28 #include "gtkbindings.h"
30 #include "gtkmenuitem.h"
31 #include "gtktearoffmenuitem.h" /* FIXME */
32 #include "gtkmenushell.h"
33 #include "gtksignal.h"
36 #define MENU_SHELL_TIMEOUT 500
37 #define MENU_SHELL_CLASS(w) GTK_MENU_SHELL_CLASS (GTK_OBJECT (w)->klass)
49 typedef void (*GtkMenuShellSignal1) (GtkObject *object,
50 GtkMenuDirectionType arg1,
52 typedef void (*GtkMenuShellSignal2) (GtkObject *object,
58 * A menu item can be "selected", this means that it is displayed
59 * in the prelight state, and if it has a submenu, that submenu
62 * A menu is "active" when it is visible onscreen and the user
63 * is selecting from it. A menubar is not active until the user
64 * clicks on one of its menuitems. When a menu is active,
65 * passing the mouse over a submenu will pop it up.
67 * menu_shell->active_menu_item, is however, not an "active"
68 * menu item (there is no such thing) but rather, the selected
69 * menu item in that MenuShell, if there is one.
71 * There is also is a concept of the current menu and a current
72 * menu item. The current menu item is the selected menu item
73 * that is furthest down in the heirarchy. (Every active menu_shell
74 * does not necessarily contain a selected menu item, but if
75 * it does, then menu_shell->parent_menu_shell must also contain
76 * a selected menu item. The current menu is the menu that
77 * contains the current menu_item. It will always have a GTK
78 * grab and receive all key presses.
83 * ::move_current (GtkMenuDirection *dir)
84 * Moves the current menu item in direction 'dir':
86 * GTK_MENU_DIR_PARENT: To the parent menu shell
87 * GTK_MENU_DIR_CHILD: To the child menu shell (if this item has
89 * GTK_MENU_DIR_NEXT/PREV: To the next or previous item
92 * As a a bit of a hack to get movement between menus and
93 * menubars working, if submenu_placement is different for
94 * the menu and its MenuShell then the following apply:
96 * - For 'parent' the current menu is not just moved to
97 * the parent, but moved to the previous entry in the parent
98 * - For 'child', if there is no child, then current is
99 * moved to the next item in the parent.
102 * ::activate_current (GBoolean *force_hide)
103 * Activate the current item. If 'force_hide' is true, hide
104 * the current menu item always. Otherwise, only hide
105 * it if menu_item->klass->hide_on_activate is true.
108 * Cancels the current selection
111 static void gtk_menu_shell_class_init (GtkMenuShellClass *klass);
112 static void gtk_menu_shell_init (GtkMenuShell *menu_shell);
113 static void gtk_menu_shell_map (GtkWidget *widget);
114 static void gtk_menu_shell_realize (GtkWidget *widget);
115 static gint gtk_menu_shell_button_press (GtkWidget *widget,
116 GdkEventButton *event);
117 static gint gtk_menu_shell_button_release (GtkWidget *widget,
118 GdkEventButton *event);
119 static gint gtk_menu_shell_key_press (GtkWidget *widget,
121 static gint gtk_menu_shell_enter_notify (GtkWidget *widget,
122 GdkEventCrossing *event);
123 static gint gtk_menu_shell_leave_notify (GtkWidget *widget,
124 GdkEventCrossing *event);
125 static void gtk_menu_shell_add (GtkContainer *container,
127 static void gtk_menu_shell_remove (GtkContainer *container,
129 static void gtk_menu_shell_forall (GtkContainer *container,
130 gboolean include_internals,
131 GtkCallback callback,
132 gpointer callback_data);
133 static void gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell);
134 static gint gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
136 static GtkWidget *gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
138 static GtkType gtk_menu_shell_child_type (GtkContainer *container);
140 static void gtk_menu_shell_deselect (GtkMenuShell *menu_shell);
141 static void gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
142 GtkMenuDirectionType direction);
143 static void gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
144 gboolean force_hide);
145 static void gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell);
147 static GtkContainerClass *parent_class = NULL;
148 static guint menu_shell_signals[LAST_SIGNAL] = { 0 };
152 gtk_menu_shell_get_type (void)
154 static GtkType menu_shell_type = 0;
156 if (!menu_shell_type)
158 static const GtkTypeInfo menu_shell_info =
161 sizeof (GtkMenuShell),
162 sizeof (GtkMenuShellClass),
163 (GtkClassInitFunc) gtk_menu_shell_class_init,
164 (GtkObjectInitFunc) gtk_menu_shell_init,
165 /* reserved_1 */ NULL,
166 /* reserved_2 */ NULL,
167 (GtkClassInitFunc) NULL,
170 menu_shell_type = gtk_type_unique (gtk_container_get_type (), &menu_shell_info);
173 return menu_shell_type;
177 gtk_menu_shell_class_init (GtkMenuShellClass *klass)
179 GtkObjectClass *object_class;
180 GtkWidgetClass *widget_class;
181 GtkContainerClass *container_class;
183 GtkBindingSet *binding_set;
185 object_class = (GtkObjectClass*) klass;
186 widget_class = (GtkWidgetClass*) klass;
187 container_class = (GtkContainerClass*) klass;
189 parent_class = gtk_type_class (gtk_container_get_type ());
191 menu_shell_signals[DEACTIVATE] =
192 gtk_signal_new ("deactivate",
195 GTK_SIGNAL_OFFSET (GtkMenuShellClass, deactivate),
196 gtk_marshal_NONE__NONE,
198 menu_shell_signals[SELECTION_DONE] =
199 gtk_signal_new ("selection-done",
202 GTK_SIGNAL_OFFSET (GtkMenuShellClass, selection_done),
203 gtk_marshal_NONE__NONE,
205 menu_shell_signals[MOVE_CURRENT] =
206 gtk_signal_new ("move_current",
207 GTK_RUN_LAST | GTK_RUN_ACTION,
209 GTK_SIGNAL_OFFSET (GtkMenuShellClass, move_current),
210 gtk_marshal_NONE__ENUM,
212 GTK_TYPE_MENU_DIRECTION_TYPE);
213 menu_shell_signals[ACTIVATE_CURRENT] =
214 gtk_signal_new ("activate_current",
215 GTK_RUN_LAST | GTK_RUN_ACTION,
217 GTK_SIGNAL_OFFSET (GtkMenuShellClass, activate_current),
218 gtk_marshal_NONE__BOOL,
221 menu_shell_signals[CANCEL] =
222 gtk_signal_new ("cancel",
223 GTK_RUN_LAST | GTK_RUN_ACTION,
225 GTK_SIGNAL_OFFSET (GtkMenuShellClass, cancel),
226 gtk_marshal_NONE__NONE,
229 gtk_object_class_add_signals (object_class, menu_shell_signals, LAST_SIGNAL);
231 widget_class->map = gtk_menu_shell_map;
232 widget_class->realize = gtk_menu_shell_realize;
233 widget_class->button_press_event = gtk_menu_shell_button_press;
234 widget_class->button_release_event = gtk_menu_shell_button_release;
235 widget_class->key_press_event = gtk_menu_shell_key_press;
236 widget_class->enter_notify_event = gtk_menu_shell_enter_notify;
237 widget_class->leave_notify_event = gtk_menu_shell_leave_notify;
239 container_class->add = gtk_menu_shell_add;
240 container_class->remove = gtk_menu_shell_remove;
241 container_class->forall = gtk_menu_shell_forall;
242 container_class->child_type = gtk_menu_shell_child_type;
244 klass->submenu_placement = GTK_TOP_BOTTOM;
245 klass->deactivate = gtk_real_menu_shell_deactivate;
246 klass->selection_done = NULL;
247 klass->move_current = gtk_real_menu_shell_move_current;
248 klass->activate_current = gtk_real_menu_shell_activate_current;
249 klass->cancel = gtk_real_menu_shell_cancel;
251 binding_set = gtk_binding_set_by_class (klass);
252 gtk_binding_entry_add_signal (binding_set,
255 gtk_binding_entry_add_signal (binding_set,
257 "activate_current", 1,
260 gtk_binding_entry_add_signal (binding_set,
262 "activate_current", 1,
268 gtk_menu_shell_child_type (GtkContainer *container)
270 return GTK_TYPE_MENU_ITEM;
274 gtk_menu_shell_init (GtkMenuShell *menu_shell)
276 menu_shell->children = NULL;
277 menu_shell->active_menu_item = NULL;
278 menu_shell->parent_menu_shell = NULL;
279 menu_shell->active = FALSE;
280 menu_shell->have_grab = FALSE;
281 menu_shell->have_xgrab = FALSE;
282 menu_shell->ignore_leave = FALSE;
283 menu_shell->button = 0;
284 menu_shell->menu_flag = 0;
285 menu_shell->activate_time = 0;
289 gtk_menu_shell_append (GtkMenuShell *menu_shell,
292 gtk_menu_shell_insert (menu_shell, child, -1);
296 gtk_menu_shell_prepend (GtkMenuShell *menu_shell,
299 gtk_menu_shell_insert (menu_shell, child, 0);
303 gtk_menu_shell_insert (GtkMenuShell *menu_shell,
307 g_return_if_fail (menu_shell != NULL);
308 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
309 g_return_if_fail (child != NULL);
310 g_return_if_fail (GTK_IS_MENU_ITEM (child));
312 gtk_widget_set_parent (child, GTK_WIDGET (menu_shell));
314 if (GTK_WIDGET_VISIBLE (child->parent))
316 if (GTK_WIDGET_REALIZED (child->parent) &&
317 !GTK_WIDGET_REALIZED (child))
318 gtk_widget_realize (child);
320 if (GTK_WIDGET_MAPPED (child->parent) &&
321 !GTK_WIDGET_MAPPED (child))
322 gtk_widget_map (child);
325 menu_shell->children = g_list_insert (menu_shell->children, child, position);
327 if (GTK_WIDGET_VISIBLE (menu_shell))
328 gtk_widget_queue_resize (GTK_WIDGET (menu_shell));
332 gtk_menu_shell_deactivate (GtkMenuShell *menu_shell)
334 g_return_if_fail (menu_shell != NULL);
335 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
337 gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[DEACTIVATE]);
341 gtk_menu_shell_map (GtkWidget *widget)
343 GtkMenuShell *menu_shell;
347 g_return_if_fail (widget != NULL);
348 g_return_if_fail (GTK_IS_MENU_SHELL (widget));
350 menu_shell = GTK_MENU_SHELL (widget);
351 GTK_WIDGET_SET_FLAGS (menu_shell, GTK_MAPPED);
353 children = menu_shell->children;
356 child = children->data;
357 children = children->next;
359 if (GTK_WIDGET_VISIBLE (child) && !GTK_WIDGET_MAPPED (child))
360 gtk_widget_map (child);
363 gdk_window_show (widget->window);
367 gtk_menu_shell_realize (GtkWidget *widget)
369 GdkWindowAttr attributes;
370 gint attributes_mask;
372 g_return_if_fail (widget != NULL);
373 g_return_if_fail (GTK_IS_MENU_SHELL (widget));
375 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
377 attributes.x = widget->allocation.x;
378 attributes.y = widget->allocation.y;
379 attributes.width = widget->allocation.width;
380 attributes.height = widget->allocation.height;
381 attributes.window_type = GDK_WINDOW_CHILD;
382 attributes.wclass = GDK_INPUT_OUTPUT;
383 attributes.visual = gtk_widget_get_visual (widget);
384 attributes.colormap = gtk_widget_get_colormap (widget);
385 attributes.event_mask = gtk_widget_get_events (widget);
386 attributes.event_mask |= (GDK_EXPOSURE_MASK |
387 GDK_BUTTON_PRESS_MASK |
388 GDK_BUTTON_RELEASE_MASK |
390 GDK_ENTER_NOTIFY_MASK |
391 GDK_LEAVE_NOTIFY_MASK);
393 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
394 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
395 gdk_window_set_user_data (widget->window, widget);
397 widget->style = gtk_style_attach (widget->style, widget->window);
398 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
402 gtk_menu_shell_button_press (GtkWidget *widget,
403 GdkEventButton *event)
405 GtkMenuShell *menu_shell;
406 GtkWidget *menu_item;
408 g_return_val_if_fail (widget != NULL, FALSE);
409 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
410 g_return_val_if_fail (event != NULL, FALSE);
412 if (event->type != GDK_BUTTON_PRESS)
415 menu_shell = GTK_MENU_SHELL (widget);
417 if (menu_shell->parent_menu_shell)
419 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
421 else if (!menu_shell->active || !menu_shell->button)
423 if (!menu_shell->active)
425 gtk_grab_add (GTK_WIDGET (widget));
426 menu_shell->have_grab = TRUE;
427 menu_shell->active = TRUE;
429 menu_shell->button = event->button;
431 menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent *)event);
434 GTK_WIDGET_IS_SENSITIVE (menu_item))
436 if ((menu_item->parent == widget) &&
437 (menu_item != menu_shell->active_menu_item))
439 if (menu_shell->active_menu_item)
440 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
442 menu_shell->active_menu_item = menu_item;
443 gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
444 MENU_SHELL_CLASS (menu_shell)->submenu_placement);
445 gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
451 widget = gtk_get_event_widget ((GdkEvent*) event);
452 if (widget == GTK_WIDGET (menu_shell))
454 gtk_menu_shell_deactivate (menu_shell);
455 gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
463 gtk_menu_shell_button_release (GtkWidget *widget,
464 GdkEventButton *event)
466 GtkMenuShell *menu_shell;
467 GtkWidget *menu_item;
470 g_return_val_if_fail (widget != NULL, FALSE);
471 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
472 g_return_val_if_fail (event != NULL, FALSE);
474 menu_shell = GTK_MENU_SHELL (widget);
475 if (menu_shell->active)
477 if (menu_shell->button && (event->button != menu_shell->button))
479 menu_shell->button = 0;
480 if (menu_shell->parent_menu_shell)
481 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
485 menu_shell->button = 0;
486 menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent*) event);
490 if ((event->time - menu_shell->activate_time) > MENU_SHELL_TIMEOUT)
492 if (menu_item && (menu_shell->active_menu_item == menu_item) &&
493 GTK_WIDGET_IS_SENSITIVE (menu_item))
495 if (GTK_MENU_ITEM (menu_item)->submenu == NULL)
497 gtk_menu_shell_activate_item (menu_shell, menu_item, TRUE);
501 else if (menu_shell->parent_menu_shell)
503 menu_shell->active = TRUE;
504 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
511 /* If the button click was very fast, or we ended up on a submenu,
515 (menu_item && (menu_shell->active_menu_item == menu_item)))
518 menu_shell->ignore_leave = TRUE;
525 gtk_menu_shell_deactivate (menu_shell);
526 gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
534 gtk_menu_shell_key_press (GtkWidget *widget,
537 GtkMenuShell *menu_shell;
539 g_return_val_if_fail (widget != NULL, FALSE);
540 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
541 g_return_val_if_fail (event != NULL, FALSE);
543 menu_shell = GTK_MENU_SHELL (widget);
545 if (!menu_shell->active_menu_item && menu_shell->parent_menu_shell)
546 return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent *)event);
548 if (gtk_bindings_activate (GTK_OBJECT (widget),
553 if (gtk_accel_groups_activate (GTK_OBJECT (widget), event->keyval, event->state))
560 gtk_menu_shell_enter_notify (GtkWidget *widget,
561 GdkEventCrossing *event)
563 GtkMenuShell *menu_shell;
564 GtkWidget *menu_item;
566 g_return_val_if_fail (widget != NULL, FALSE);
567 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
568 g_return_val_if_fail (event != NULL, FALSE);
570 menu_shell = GTK_MENU_SHELL (widget);
572 if (menu_shell->active && !menu_shell->ignore_enter)
574 menu_item = gtk_get_event_widget ((GdkEvent*) event);
576 if (!menu_item || !GTK_WIDGET_IS_SENSITIVE (menu_item))
579 if ((menu_item->parent == widget) &&
580 (menu_shell->active_menu_item != menu_item) &&
581 GTK_IS_MENU_ITEM (menu_item))
583 if ((event->detail != GDK_NOTIFY_INFERIOR) &&
584 (GTK_WIDGET_STATE (menu_item) != GTK_STATE_PRELIGHT))
586 gtk_menu_shell_select_item (menu_shell, menu_item);
589 else if (menu_shell->parent_menu_shell)
591 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
599 gtk_menu_shell_leave_notify (GtkWidget *widget,
600 GdkEventCrossing *event)
602 GtkMenuShell *menu_shell;
603 GtkMenuItem *menu_item;
604 GtkWidget *event_widget;
606 g_return_val_if_fail (widget != NULL, FALSE);
607 g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
608 g_return_val_if_fail (event != NULL, FALSE);
610 if (GTK_WIDGET_VISIBLE (widget))
612 menu_shell = GTK_MENU_SHELL (widget);
613 event_widget = gtk_get_event_widget ((GdkEvent*) event);
615 if (!event_widget || !GTK_IS_MENU_ITEM (event_widget))
618 menu_item = GTK_MENU_ITEM (event_widget);
620 if (menu_shell->ignore_leave)
622 menu_shell->ignore_leave = FALSE;
626 if (!GTK_WIDGET_IS_SENSITIVE (menu_item))
629 if ((menu_shell->active_menu_item == event_widget) &&
630 (menu_item->submenu == NULL))
632 if ((event->detail != GDK_NOTIFY_INFERIOR) &&
633 (GTK_WIDGET_STATE (menu_item) != GTK_STATE_NORMAL))
635 gtk_menu_shell_deselect (menu_shell);
638 else if (menu_shell->parent_menu_shell)
640 gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
648 gtk_menu_shell_add (GtkContainer *container,
651 gtk_menu_shell_append (GTK_MENU_SHELL (container), widget);
655 gtk_menu_shell_remove (GtkContainer *container,
658 GtkMenuShell *menu_shell;
661 g_return_if_fail (container != NULL);
662 g_return_if_fail (GTK_IS_MENU_SHELL (container));
663 g_return_if_fail (widget != NULL);
664 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
666 was_visible = GTK_WIDGET_VISIBLE (widget);
667 menu_shell = GTK_MENU_SHELL (container);
668 menu_shell->children = g_list_remove (menu_shell->children, widget);
670 gtk_widget_unparent (widget);
672 /* queue resize regardless of GTK_WIDGET_VISIBLE (container),
673 * since that's what is needed by toplevels.
676 gtk_widget_queue_resize (GTK_WIDGET (container));
680 gtk_menu_shell_forall (GtkContainer *container,
681 gboolean include_internals,
682 GtkCallback callback,
683 gpointer callback_data)
685 GtkMenuShell *menu_shell;
689 g_return_if_fail (container != NULL);
690 g_return_if_fail (GTK_IS_MENU_SHELL (container));
691 g_return_if_fail (callback != NULL);
693 menu_shell = GTK_MENU_SHELL (container);
695 children = menu_shell->children;
698 child = children->data;
699 children = children->next;
701 (* callback) (child, callback_data);
707 gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell)
709 g_return_if_fail (menu_shell != NULL);
710 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
712 if (menu_shell->active)
714 menu_shell->button = 0;
715 menu_shell->active = FALSE;
717 if (menu_shell->active_menu_item)
719 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
720 menu_shell->active_menu_item = NULL;
723 if (menu_shell->have_grab)
725 menu_shell->have_grab = FALSE;
726 gtk_grab_remove (GTK_WIDGET (menu_shell));
728 if (menu_shell->have_xgrab)
730 menu_shell->have_xgrab = FALSE;
731 gdk_pointer_ungrab (GDK_CURRENT_TIME);
732 gdk_keyboard_ungrab (GDK_CURRENT_TIME);
738 gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
743 g_return_val_if_fail (menu_shell != NULL, FALSE);
744 g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
745 g_return_val_if_fail (child != NULL, FALSE);
747 parent = child->parent;
748 while (parent && GTK_IS_MENU_SHELL (parent))
750 if (parent == (GtkWidget*) menu_shell)
752 parent = GTK_MENU_SHELL (parent)->parent_menu_shell;
759 gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
762 GtkWidget *menu_item;
764 menu_item = gtk_get_event_widget ((GdkEvent*) event);
766 while (menu_item && !GTK_IS_MENU_ITEM (menu_item))
767 menu_item = menu_item->parent;
769 if (menu_item && gtk_menu_shell_is_item (menu_shell, menu_item))
775 /* Handlers for action signals */
778 gtk_menu_shell_select_item (GtkMenuShell *menu_shell,
779 GtkWidget *menu_item)
781 g_return_if_fail (menu_shell != NULL);
782 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
783 g_return_if_fail (menu_item != NULL);
784 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
786 if (menu_shell->active_menu_item)
787 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
789 menu_shell->active_menu_item = menu_item;
790 gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
791 MENU_SHELL_CLASS (menu_shell)->submenu_placement);
792 gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
794 /* This allows the bizarre radio buttons-with-submenus-display-history
797 if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
798 gtk_widget_activate (menu_shell->active_menu_item);
802 gtk_menu_shell_deselect (GtkMenuShell *menu_shell)
804 gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
805 menu_shell->active_menu_item = NULL;
809 gtk_menu_shell_activate_item (GtkMenuShell *menu_shell,
810 GtkWidget *menu_item,
811 gboolean force_deactivate)
813 gboolean deactivate = force_deactivate;
815 g_return_if_fail (menu_shell != NULL);
816 g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
817 g_return_if_fail (menu_item != NULL);
818 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
822 deactivate = GTK_MENU_ITEM_CLASS (GTK_OBJECT (menu_item)->klass)->hide_on_activate;
827 gtk_menu_shell_deactivate (menu_shell);
829 /* flush the x-queue, so any grabs are removed and
830 * the menu is actually taken down
834 gtk_widget_activate (menu_item);
837 gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
840 /* Distance should be +/- 1 */
842 gtk_menu_shell_move_selected (GtkMenuShell *menu_shell,
845 if (menu_shell->active_menu_item)
847 GList *node = g_list_find (menu_shell->children,
848 menu_shell->active_menu_item);
849 GList *start_node = node;
854 while (node != start_node &&
856 !GTK_WIDGET_IS_SENSITIVE (node->data) ||
857 !GTK_WIDGET_VISIBLE (node->data) ))
860 node = menu_shell->children;
868 while (node != start_node &&
870 !GTK_WIDGET_IS_SENSITIVE (node->data) ||
871 !GTK_WIDGET_VISIBLE (node->data) ))
874 node = g_list_last (menu_shell->children);
881 gtk_menu_shell_select_item (menu_shell, node->data);
886 gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
887 GtkMenuDirectionType direction)
889 GtkMenuShell *parent_menu_shell = NULL;
890 gboolean had_selection;
892 had_selection = menu_shell->active_menu_item != NULL;
894 if (menu_shell->parent_menu_shell)
895 parent_menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
899 case GTK_MENU_DIR_PARENT:
900 if (parent_menu_shell)
902 if (GTK_MENU_SHELL_CLASS (GTK_OBJECT (parent_menu_shell)->klass)->submenu_placement ==
903 GTK_MENU_SHELL_CLASS (GTK_OBJECT (menu_shell)->klass)->submenu_placement)
904 gtk_menu_shell_deselect (menu_shell);
906 gtk_menu_shell_move_selected (parent_menu_shell, -1);
910 case GTK_MENU_DIR_CHILD:
911 if (menu_shell->active_menu_item &&
912 GTK_BIN (menu_shell->active_menu_item)->child &&
913 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
915 menu_shell = GTK_MENU_SHELL (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu);
916 if (menu_shell->children)
917 gtk_menu_shell_select_item (menu_shell, menu_shell->children->data);
921 /* Try to find a menu running the opposite direction */
922 while (parent_menu_shell &&
923 (GTK_MENU_SHELL_CLASS (GTK_OBJECT (parent_menu_shell)->klass)->submenu_placement ==
924 GTK_MENU_SHELL_CLASS (GTK_OBJECT (menu_shell)->klass)->submenu_placement))
925 parent_menu_shell = GTK_MENU_SHELL (parent_menu_shell->parent_menu_shell);
927 if (parent_menu_shell)
928 gtk_menu_shell_move_selected (parent_menu_shell, 1);
932 case GTK_MENU_DIR_PREV:
933 gtk_menu_shell_move_selected (menu_shell, -1);
934 if (!had_selection &&
935 !menu_shell->active_menu_item &&
936 menu_shell->children)
937 gtk_menu_shell_select_item (menu_shell, g_list_last (menu_shell->children)->data);
939 case GTK_MENU_DIR_NEXT:
940 gtk_menu_shell_move_selected (menu_shell, 1);
941 if (!had_selection &&
942 !menu_shell->active_menu_item &&
943 menu_shell->children)
944 gtk_menu_shell_select_item (menu_shell, menu_shell->children->data);
951 gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
954 if (menu_shell->active_menu_item &&
955 GTK_WIDGET_IS_SENSITIVE (menu_shell->active_menu_item) &&
956 GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu == NULL)
958 gtk_menu_shell_activate_item (menu_shell,
959 menu_shell->active_menu_item,
965 gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell)
967 gtk_menu_shell_deactivate (menu_shell);
968 gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);