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/.
28 #include "gtkaccellabel.h"
31 #include "gtkmenubar.h"
32 #include "gtkmenuitem.h"
33 #include "gtksignal.h"
36 #define BORDER_SPACING 3
37 #define SELECT_TIMEOUT 75
39 #define MENU_ITEM_CLASS(w) GTK_MENU_ITEM_CLASS (GTK_OBJECT (w)->klass)
51 static void gtk_menu_item_class_init (GtkMenuItemClass *klass);
52 static void gtk_menu_item_init (GtkMenuItem *menu_item);
53 static void gtk_menu_item_destroy (GtkObject *object);
54 static void gtk_menu_item_finalize (GObject *object);
55 static void gtk_menu_item_size_request (GtkWidget *widget,
56 GtkRequisition *requisition);
57 static void gtk_menu_item_size_allocate (GtkWidget *widget,
58 GtkAllocation *allocation);
59 static void gtk_menu_item_realize (GtkWidget *widget);
60 static void gtk_menu_item_unrealize (GtkWidget *widget);
61 static void gtk_menu_item_map (GtkWidget *widget);
62 static void gtk_menu_item_unmap (GtkWidget *widget);
63 static void gtk_menu_item_paint (GtkWidget *widget,
65 static gint gtk_menu_item_expose (GtkWidget *widget,
66 GdkEventExpose *event);
69 static void gtk_real_menu_item_select (GtkItem *item);
70 static void gtk_real_menu_item_deselect (GtkItem *item);
71 static void gtk_real_menu_item_activate_item (GtkMenuItem *item);
72 static void gtk_real_menu_item_toggle_size_request (GtkMenuItem *menu_item,
74 static void gtk_real_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
76 static gboolean gtk_menu_item_mnemonic_activate (GtkWidget *widget,
77 gboolean group_cycling);
79 static gint gtk_menu_item_select_timeout (gpointer data);
80 static void gtk_menu_item_popup_submenu (gpointer data);
81 static void gtk_menu_item_position_menu (GtkMenu *menu,
86 static void gtk_menu_item_show_all (GtkWidget *widget);
87 static void gtk_menu_item_hide_all (GtkWidget *widget);
88 static void gtk_menu_item_forall (GtkContainer *container,
89 gboolean include_internals,
91 gpointer callback_data);
94 static GtkItemClass *parent_class;
95 static guint menu_item_signals[LAST_SIGNAL] = { 0 };
96 static guint32 last_submenu_deselect_time = 0;
101 gtk_menu_item_get_type (void)
103 static GtkType menu_item_type = 0;
107 static const GTypeInfo menu_item_info =
109 sizeof (GtkMenuItemClass),
110 NULL, /* base_init */
111 NULL, /* base_finalize */
112 (GClassInitFunc) gtk_menu_item_class_init,
113 NULL, /* class_finalize */
114 NULL, /* class_data */
115 sizeof (GtkMenuItem),
116 16, /* n_preallocs */
117 (GInstanceInitFunc) gtk_menu_item_init,
120 menu_item_type = g_type_register_static (GTK_TYPE_ITEM, "GtkMenuItem", &menu_item_info, 0);
123 return menu_item_type;
127 gtk_menu_item_class_init (GtkMenuItemClass *klass)
129 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
130 GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
131 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
132 GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
133 GtkItemClass *item_class = GTK_ITEM_CLASS (klass);
135 parent_class = g_type_class_peek_parent (klass);
137 gobject_class->finalize = gtk_menu_item_finalize;
139 object_class->destroy = gtk_menu_item_destroy;
141 widget_class->size_request = gtk_menu_item_size_request;
142 widget_class->size_allocate = gtk_menu_item_size_allocate;
143 widget_class->expose_event = gtk_menu_item_expose;
144 widget_class->realize = gtk_menu_item_realize;
145 widget_class->unrealize = gtk_menu_item_unrealize;
146 widget_class->map = gtk_menu_item_map;
147 widget_class->unmap = gtk_menu_item_unmap;
148 widget_class->show_all = gtk_menu_item_show_all;
149 widget_class->hide_all = gtk_menu_item_hide_all;
150 widget_class->mnemonic_activate = gtk_menu_item_mnemonic_activate;
152 container_class->forall = gtk_menu_item_forall;
154 item_class->select = gtk_real_menu_item_select;
155 item_class->deselect = gtk_real_menu_item_deselect;
157 klass->activate = NULL;
158 klass->activate_item = gtk_real_menu_item_activate_item;
159 klass->toggle_size_request = gtk_real_menu_item_toggle_size_request;
160 klass->toggle_size_allocate = gtk_real_menu_item_toggle_size_allocate;
162 klass->hide_on_activate = TRUE;
164 menu_item_signals[ACTIVATE] =
165 gtk_signal_new ("activate",
166 GTK_RUN_FIRST | GTK_RUN_ACTION,
167 GTK_CLASS_TYPE (object_class),
168 GTK_SIGNAL_OFFSET (GtkMenuItemClass, activate),
169 gtk_marshal_VOID__VOID,
171 widget_class->activate_signal = menu_item_signals[ACTIVATE];
173 menu_item_signals[ACTIVATE_ITEM] =
174 gtk_signal_new ("activate_item",
176 GTK_CLASS_TYPE (object_class),
177 GTK_SIGNAL_OFFSET (GtkMenuItemClass, activate_item),
178 gtk_signal_default_marshaller,
181 menu_item_signals[TOGGLE_SIZE_REQUEST] =
182 gtk_signal_new ("toggle_size_request",
184 GTK_CLASS_TYPE (object_class),
185 GTK_SIGNAL_OFFSET (GtkMenuItemClass, toggle_size_request),
186 gtk_marshal_NONE__POINTER,
190 menu_item_signals[TOGGLE_SIZE_ALLOCATE] =
191 gtk_signal_new ("toggle_size_allocate",
193 GTK_CLASS_TYPE (object_class),
194 GTK_SIGNAL_OFFSET (GtkMenuItemClass, toggle_size_allocate),
195 gtk_marshal_NONE__INT,
201 gtk_menu_item_init (GtkMenuItem *menu_item)
203 GTK_WIDGET_SET_FLAGS (menu_item, GTK_NO_WINDOW);
205 menu_item->submenu = NULL;
206 menu_item->toggle_size = 0;
207 menu_item->accelerator_width = 0;
208 menu_item->show_submenu_indicator = FALSE;
209 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
210 menu_item->submenu_placement = GTK_TOP_BOTTOM;
211 menu_item->right_justify = FALSE;
213 menu_item->timer = 0;
217 gtk_menu_item_new (void)
219 return GTK_WIDGET (gtk_type_new (gtk_menu_item_get_type ()));
223 gtk_menu_item_new_with_label (const gchar *label)
225 GtkWidget *menu_item;
226 GtkWidget *accel_label;
228 menu_item = gtk_menu_item_new ();
229 accel_label = gtk_accel_label_new (label);
230 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
232 gtk_container_add (GTK_CONTAINER (menu_item), accel_label);
233 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), menu_item);
234 gtk_widget_show (accel_label);
241 * gtk_menu_item_new_with_mnemonic:
242 * @label: The text of the button, with an underscore in front of the
244 * @returns: a new #GtkMenuItem
246 * Creates a new #GtkMenuItem containing a label. The label
247 * will be created using gtk_label_new_with_mnemonic(), so underscores
248 * in @label indicate the mnemonic for the menu item.
251 gtk_menu_item_new_with_mnemonic (const gchar *label)
253 GtkWidget *menu_item;
254 GtkWidget *accel_label;
256 menu_item = gtk_menu_item_new ();
257 accel_label = gtk_type_new (GTK_TYPE_ACCEL_LABEL);
258 gtk_label_set_text_with_mnemonic (GTK_LABEL (accel_label), label);
259 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
261 gtk_container_add (GTK_CONTAINER (menu_item), accel_label);
262 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), menu_item);
263 gtk_widget_show (accel_label);
269 gtk_menu_item_destroy (GtkObject *object)
271 GtkMenuItem *menu_item;
273 g_return_if_fail (GTK_IS_MENU_ITEM (object));
275 menu_item = GTK_MENU_ITEM (object);
277 if (menu_item->submenu)
278 gtk_widget_destroy (menu_item->submenu);
280 GTK_OBJECT_CLASS (parent_class)->destroy (object);
284 gtk_menu_item_finalize (GObject *object)
286 GtkMenuItem *menu_item = GTK_MENU_ITEM (object);
288 g_free (menu_item->accel_path);
290 G_OBJECT_CLASS (parent_class)->finalize (object);
294 gtk_menu_item_detacher (GtkWidget *widget,
297 GtkMenuItem *menu_item;
299 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
301 menu_item = GTK_MENU_ITEM (widget);
302 g_return_if_fail (menu_item->submenu == (GtkWidget*) menu);
304 menu_item->submenu = NULL;
308 gtk_menu_item_set_submenu (GtkMenuItem *menu_item,
311 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
313 if (menu_item->submenu != submenu)
315 gtk_menu_item_remove_submenu (menu_item);
317 menu_item->submenu = submenu;
318 gtk_menu_attach_to_widget (GTK_MENU (submenu),
319 GTK_WIDGET (menu_item),
320 gtk_menu_item_detacher);
322 if (GTK_WIDGET (menu_item)->parent)
323 gtk_widget_queue_resize (GTK_WIDGET (menu_item));
328 * gtk_menu_item_get_submenu:
329 * @menu_item: a #GtkMenuItem
331 * Gets the submenu underneath this menu item, if any. See
332 * gtk_menu_item_set_submenu().
334 * Return value: submenu for this menu item, or %NULL if none.
337 gtk_menu_item_get_submenu (GtkMenuItem *menu_item)
339 g_return_val_if_fail (GTK_IS_MENU_ITEM (menu_item), NULL);
341 return menu_item->submenu;
345 gtk_menu_item_remove_submenu (GtkMenuItem *menu_item)
347 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
349 if (menu_item->submenu)
350 gtk_menu_detach (GTK_MENU (menu_item->submenu));
354 _gtk_menu_item_set_placement (GtkMenuItem *menu_item,
355 GtkSubmenuPlacement placement)
357 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
359 menu_item->submenu_placement = placement;
363 gtk_menu_item_select (GtkMenuItem *menu_item)
365 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
367 gtk_item_select (GTK_ITEM (menu_item));
371 gtk_menu_item_deselect (GtkMenuItem *menu_item)
373 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
375 gtk_item_deselect (GTK_ITEM (menu_item));
379 gtk_menu_item_activate (GtkMenuItem *menu_item)
381 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
383 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[ACTIVATE]);
387 gtk_menu_item_toggle_size_request (GtkMenuItem *menu_item,
390 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
392 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[TOGGLE_SIZE_REQUEST], requisition);
396 gtk_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
399 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
401 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[TOGGLE_SIZE_ALLOCATE], allocation);
405 gtk_menu_item_accel_width_foreach (GtkWidget *widget,
410 if (GTK_IS_ACCEL_LABEL (widget))
414 w = gtk_accel_label_get_accel_width (GTK_ACCEL_LABEL (widget));
415 *width = MAX (*width, w);
417 else if (GTK_IS_CONTAINER (widget))
418 gtk_container_foreach (GTK_CONTAINER (widget),
419 gtk_menu_item_accel_width_foreach,
424 gtk_menu_item_size_request (GtkWidget *widget,
425 GtkRequisition *requisition)
427 GtkMenuItem *menu_item;
431 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
432 g_return_if_fail (requisition != NULL);
434 bin = GTK_BIN (widget);
435 menu_item = GTK_MENU_ITEM (widget);
437 requisition->width = (GTK_CONTAINER (widget)->border_width +
438 widget->style->xthickness +
440 requisition->height = (GTK_CONTAINER (widget)->border_width +
441 widget->style->ythickness) * 2;
443 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
445 GtkRequisition child_requisition;
447 gtk_widget_size_request (bin->child, &child_requisition);
449 requisition->width += child_requisition.width;
450 requisition->height += child_requisition.height;
453 if (menu_item->submenu && menu_item->show_submenu_indicator)
454 requisition->width += 21;
457 gtk_container_foreach (GTK_CONTAINER (menu_item),
458 gtk_menu_item_accel_width_foreach,
460 menu_item->accelerator_width = accel_width;
464 gtk_menu_item_size_allocate (GtkWidget *widget,
465 GtkAllocation *allocation)
467 GtkMenuItem *menu_item;
469 GtkAllocation child_allocation;
471 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
472 g_return_if_fail (allocation != NULL);
474 menu_item = GTK_MENU_ITEM (widget);
475 bin = GTK_BIN (widget);
477 widget->allocation = *allocation;
481 child_allocation.x = (GTK_CONTAINER (widget)->border_width +
482 widget->style->xthickness +
484 child_allocation.y = (GTK_CONTAINER (widget)->border_width +
485 widget->style->ythickness);
486 child_allocation.width = MAX (1, (gint)allocation->width - child_allocation.x * 2);
487 child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
488 child_allocation.x += GTK_MENU_ITEM (widget)->toggle_size;
489 child_allocation.width -= GTK_MENU_ITEM (widget)->toggle_size;
490 child_allocation.x += widget->allocation.x;
491 child_allocation.y += widget->allocation.y;
493 if (menu_item->submenu && menu_item->show_submenu_indicator)
494 child_allocation.width -= 21;
496 gtk_widget_size_allocate (bin->child, &child_allocation);
499 if (GTK_WIDGET_REALIZED (widget))
500 gdk_window_move_resize (menu_item->event_window,
501 allocation->x, allocation->y,
502 allocation->width, allocation->height);
504 if (menu_item->submenu)
505 gtk_menu_reposition (GTK_MENU (menu_item->submenu));
509 gtk_menu_item_realize (GtkWidget *widget)
511 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
512 GdkWindowAttr attributes;
513 gint attributes_mask;
515 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
517 widget->window = gtk_widget_get_parent_window (widget);
518 gdk_window_ref (widget->window);
520 attributes.x = widget->allocation.x;
521 attributes.y = widget->allocation.y;
522 attributes.width = widget->allocation.width;
523 attributes.height = widget->allocation.height;
524 attributes.window_type = GDK_WINDOW_CHILD;
525 attributes.wclass = GDK_INPUT_ONLY;
526 attributes.event_mask = (gtk_widget_get_events (widget) |
528 GDK_BUTTON_PRESS_MASK |
529 GDK_BUTTON_RELEASE_MASK |
530 GDK_ENTER_NOTIFY_MASK |
531 GDK_LEAVE_NOTIFY_MASK |
532 GDK_POINTER_MOTION_MASK);
534 attributes_mask = GDK_WA_X | GDK_WA_Y;
535 menu_item->event_window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
536 gdk_window_set_user_data (menu_item->event_window, widget);
538 widget->style = gtk_style_attach (widget->style, widget->window);
542 gtk_menu_item_unrealize (GtkWidget *widget)
544 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
546 gdk_window_set_user_data (menu_item->event_window, NULL);
547 gdk_window_destroy (menu_item->event_window);
548 menu_item->event_window = NULL;
550 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
551 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
555 gtk_menu_item_map (GtkWidget *widget)
557 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
559 gdk_window_show (menu_item->event_window);
561 GTK_WIDGET_CLASS (parent_class)->map (widget);
565 gtk_menu_item_unmap (GtkWidget *widget)
567 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
569 gdk_window_hide (menu_item->event_window);
571 GTK_WIDGET_CLASS (parent_class)->unmap (widget);
575 gtk_menu_item_paint (GtkWidget *widget,
578 GtkMenuItem *menu_item;
579 GtkStateType state_type;
580 GtkShadowType shadow_type;
583 gint border_width = GTK_CONTAINER (widget)->border_width;
585 if (GTK_WIDGET_DRAWABLE (widget))
587 menu_item = GTK_MENU_ITEM (widget);
589 state_type = widget->state;
591 x = widget->allocation.x + border_width;
592 y = widget->allocation.y + border_width;
593 width = widget->allocation.width - border_width * 2;
594 height = widget->allocation.height - border_width * 2;
596 if ((state_type == GTK_STATE_PRELIGHT) &&
597 (GTK_BIN (menu_item)->child))
598 gtk_paint_box (widget->style,
602 area, widget, "menuitem",
603 x, y, width, height);
605 if (menu_item->submenu && menu_item->show_submenu_indicator)
607 shadow_type = GTK_SHADOW_OUT;
608 if (state_type == GTK_STATE_PRELIGHT)
609 shadow_type = GTK_SHADOW_IN;
611 gtk_paint_arrow (widget->style, widget->window,
612 state_type, shadow_type,
613 area, widget, "menuitem",
614 GTK_ARROW_RIGHT, TRUE,
615 x + width - 15, y + height / 2 - 5, 10, 10);
617 else if (!GTK_BIN (menu_item)->child)
619 gtk_paint_hline (widget->style, widget->window, GTK_STATE_NORMAL,
620 area, widget, "menuitem",
621 widget->allocation.x, widget->allocation.width,
622 widget->allocation.y);
628 gtk_menu_item_expose (GtkWidget *widget,
629 GdkEventExpose *event)
631 g_return_val_if_fail (GTK_IS_MENU_ITEM (widget), FALSE);
632 g_return_val_if_fail (event != NULL, FALSE);
634 if (GTK_WIDGET_DRAWABLE (widget))
636 gtk_menu_item_paint (widget, &event->area);
638 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
645 gtk_real_menu_item_select (GtkItem *item)
647 GtkMenuItem *menu_item;
649 g_return_if_fail (GTK_IS_MENU_ITEM (item));
651 menu_item = GTK_MENU_ITEM (item);
653 /* if (menu_item->submenu && !GTK_WIDGET_VISIBLE (menu_item->submenu))*/
654 if (menu_item->submenu)
657 GdkEvent *event = gtk_get_current_event ();
659 etime = event ? gdk_event_get_time (event) : GDK_CURRENT_TIME;
660 if (etime >= last_submenu_deselect_time &&
661 last_submenu_deselect_time + SELECT_TIMEOUT > etime)
662 menu_item->timer = gtk_timeout_add (SELECT_TIMEOUT - (etime - last_submenu_deselect_time),
663 gtk_menu_item_select_timeout,
666 gtk_menu_item_popup_submenu (menu_item);
668 gdk_event_free(event);
671 gtk_widget_set_state (GTK_WIDGET (menu_item), GTK_STATE_PRELIGHT);
672 gtk_widget_draw (GTK_WIDGET (menu_item), NULL);
676 gtk_real_menu_item_deselect (GtkItem *item)
678 GtkMenuItem *menu_item;
680 g_return_if_fail (GTK_IS_MENU_ITEM (item));
682 menu_item = GTK_MENU_ITEM (item);
684 if (menu_item->submenu)
687 GdkEvent *event = gtk_get_current_event ();
689 if (menu_item->timer)
691 gtk_timeout_remove (menu_item->timer);
692 menu_item->timer = 0;
695 gtk_menu_popdown (GTK_MENU (menu_item->submenu));
697 etime = event ? gdk_event_get_time (event) : GDK_CURRENT_TIME;
698 if (etime > last_submenu_deselect_time)
699 last_submenu_deselect_time = etime;
701 gdk_event_free(event);
704 gtk_widget_set_state (GTK_WIDGET (menu_item), GTK_STATE_NORMAL);
705 gtk_widget_draw (GTK_WIDGET (menu_item), NULL);
709 gtk_menu_item_mnemonic_activate (GtkWidget *widget,
710 gboolean group_cycling)
714 if (widget->parent &&
715 GTK_IS_MENU_SHELL (widget->parent))
716 gtk_menu_shell_select_item (GTK_MENU_SHELL (widget->parent),
721 gtk_signal_emit (GTK_OBJECT (widget), menu_item_signals[ACTIVATE_ITEM]);
728 gtk_real_menu_item_activate_item (GtkMenuItem *menu_item)
731 GtkMenuShell *submenu;
733 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
735 widget = GTK_WIDGET (menu_item);
737 if (widget->parent &&
738 GTK_IS_MENU_SHELL (widget->parent))
740 if (menu_item->submenu == NULL)
741 gtk_menu_shell_activate_item (GTK_MENU_SHELL (widget->parent),
745 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget->parent);
747 if (!menu_shell->active)
749 gtk_grab_add (GTK_WIDGET (menu_shell));
750 menu_shell->have_grab = TRUE;
751 menu_shell->active = TRUE;
754 gtk_menu_shell_select_item (GTK_MENU_SHELL (widget->parent), widget);
755 gtk_menu_item_popup_submenu (widget);
757 submenu = GTK_MENU_SHELL (menu_item->submenu);
758 if (submenu->children)
759 gtk_menu_shell_select_item (submenu, submenu->children->data);
764 gtk_real_menu_item_toggle_size_request (GtkMenuItem *menu_item,
767 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
773 gtk_real_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
776 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
778 menu_item->toggle_size = allocation;
782 gtk_menu_item_select_timeout (gpointer data)
784 GDK_THREADS_ENTER ();
786 gtk_menu_item_popup_submenu (data);
788 GDK_THREADS_LEAVE ();
794 gtk_menu_item_popup_submenu (gpointer data)
796 GtkMenuItem *menu_item;
798 menu_item = GTK_MENU_ITEM (data);
799 menu_item->timer = 0;
801 if (GTK_WIDGET_IS_SENSITIVE (menu_item->submenu))
803 gtk_menu_popup (GTK_MENU (menu_item->submenu),
804 GTK_WIDGET (menu_item)->parent,
805 GTK_WIDGET (menu_item),
806 gtk_menu_item_position_menu,
808 GTK_MENU_SHELL (GTK_WIDGET (menu_item)->parent)->button,
814 gtk_menu_item_position_menu (GtkMenu *menu,
820 GtkMenuItem *menu_item;
822 GtkWidget *parent_menu_item;
825 gint twidth, theight;
828 g_return_if_fail (menu != NULL);
829 g_return_if_fail (x != NULL);
830 g_return_if_fail (y != NULL);
832 menu_item = GTK_MENU_ITEM (user_data);
833 widget = GTK_WIDGET (user_data);
835 twidth = GTK_WIDGET (menu)->requisition.width;
836 theight = GTK_WIDGET (menu)->requisition.height;
838 screen_width = gdk_screen_width ();
839 screen_height = gdk_screen_height ();
841 if (!gdk_window_get_origin (widget->window, &tx, &ty))
843 g_warning ("Menu not on screen");
847 tx += widget->allocation.x;
848 ty += widget->allocation.y;
850 switch (menu_item->submenu_placement)
853 if ((ty + widget->allocation.height + theight) <= screen_height)
854 ty += widget->allocation.height;
855 else if ((ty - theight) >= 0)
857 else if (screen_height - (ty + widget->allocation.height) > ty)
858 ty += widget->allocation.height;
864 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
865 parent_menu_item = GTK_MENU (widget->parent)->parent_menu_item;
866 if (parent_menu_item)
867 menu_item->submenu_direction = GTK_MENU_ITEM (parent_menu_item)->submenu_direction;
869 switch (menu_item->submenu_direction)
871 case GTK_DIRECTION_LEFT:
872 if ((tx - twidth) >= 0)
876 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
877 tx += widget->allocation.width - 5;
881 case GTK_DIRECTION_RIGHT:
882 if ((tx + widget->allocation.width + twidth - 5) <= screen_width)
883 tx += widget->allocation.width - 5;
886 menu_item->submenu_direction = GTK_DIRECTION_LEFT;
892 ty += widget->allocation.height / 4;
894 /* If the height of the menu doesn't fit we move it upward. */
895 ty = CLAMP (ty, 0, MAX (0, screen_height - theight));
899 /* If we have negative, tx, here it is because we can't get
900 * the menu all the way on screen. Favor the left portion.
902 *x = CLAMP (tx, 0, MAX (0, screen_width - twidth));
907 * gtk_menu_item_set_right_justified:
908 * @menu_item: a #GtkMenuItem.
909 * @right_justified: if %TRUE the menu item will appear at the
910 * far right if added to a menu bar.
912 * Sets whether the menu item appears justified at the right
913 * side of a menu bar. This was traditionally done for "Help" menu
914 * items, but is now considered a bad idea. (If the widget
915 * layout is reversed for a right-to-left language like Hebrew
916 * or Arabic, right-justified-menu-items appear at the left.)
919 gtk_menu_item_set_right_justified (GtkMenuItem *menu_item,
920 gboolean right_justified)
922 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
924 right_justified = right_justified != FALSE;
926 if (right_justified != menu_item->right_justify)
928 menu_item->right_justify = right_justified;
929 gtk_widget_queue_resize (GTK_WIDGET (menu_item));
934 * gtk_menu_item_get_right_justified:
935 * @menu_item: a #GtkMenuItem
937 * Gets whether the menu item appears justified at the right
938 * side of the menu bar.
940 * Return value: %TRUE if the menu item will appear at the
941 * far right if added to a menu bar.
944 gtk_menu_item_get_right_justified (GtkMenuItem *menu_item)
946 g_return_val_if_fail (GTK_IS_MENU_ITEM (menu_item), FALSE);
948 return menu_item->right_justify;
953 gtk_menu_item_show_all (GtkWidget *widget)
955 GtkMenuItem *menu_item;
957 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
959 menu_item = GTK_MENU_ITEM (widget);
961 /* show children including submenu */
962 if (menu_item->submenu)
963 gtk_widget_show_all (menu_item->submenu);
964 gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_show_all, NULL);
966 gtk_widget_show (widget);
970 gtk_menu_item_hide_all (GtkWidget *widget)
972 GtkMenuItem *menu_item;
974 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
976 gtk_widget_hide (widget);
978 menu_item = GTK_MENU_ITEM (widget);
980 /* hide children including submenu */
981 gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_hide_all, NULL);
982 if (menu_item->submenu)
983 gtk_widget_hide_all (menu_item->submenu);
987 gtk_menu_item_accel_name_foreach (GtkWidget *widget,
990 const gchar **path_p = data;
994 if (GTK_IS_LABEL (widget))
996 *path_p = gtk_label_get_text (GTK_LABEL (widget));
997 if (*path_p && (*path_p)[0] == 0)
1000 else if (GTK_IS_CONTAINER (widget))
1001 gtk_container_foreach (GTK_CONTAINER (widget),
1002 gtk_menu_item_accel_name_foreach,
1008 _gtk_menu_item_refresh_accel_path (GtkMenuItem *menu_item,
1009 const gchar *prefix,
1010 GtkAccelGroup *accel_group,
1011 gboolean group_changed)
1016 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1017 g_return_if_fail (GTK_IS_ACCEL_GROUP (accel_group));
1019 widget = GTK_WIDGET (menu_item);
1021 path = _gtk_widget_get_accel_path (widget);
1022 if (!path) /* no active accel_path yet */
1024 path = menu_item->accel_path;
1025 if (!path && prefix)
1027 gchar *postfix = NULL;
1029 /* try to construct one from label text */
1030 gtk_container_foreach (GTK_CONTAINER (menu_item),
1031 gtk_menu_item_accel_name_foreach,
1033 menu_item->accel_path = postfix ? g_strconcat (prefix, "/", postfix, NULL) : NULL;
1034 path = menu_item->accel_path;
1037 _gtk_widget_set_accel_path (widget, path, accel_group);
1039 else if (group_changed) /* reinstall accelerators */
1040 _gtk_widget_set_accel_path (widget, path, accel_group);
1044 * gtk_menu_item_set_accel_path
1045 * @menu_item: a valid #GtkMenuItem
1046 * @accel_path: accelerator path, corresponding to this menu item's funcitonality
1048 * Set the accelerator path on @menu_item, through which runtime changes of the
1049 * menu item's accelerator caused by the user can be identified and saved to
1050 * persistant storage (see gtk_accel_map_save() on this).
1051 * To setup a default accelerator for this menu item, call
1052 * gtk_accel_map_add_entry() with the same @accel_path.
1053 * See also gtk_accel_map_add_entry() on the specifics of accelerator paths,
1054 * and gtk_menu_set_accel_path() for a more convenient variant of this function.
1057 gtk_menu_item_set_accel_path (GtkMenuItem *menu_item,
1058 const gchar *accel_path)
1062 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1063 g_return_if_fail (accel_path && accel_path[0] == '<' && strchr (accel_path, '/'));
1065 widget = GTK_WIDGET (menu_item);
1067 /* store new path */
1068 g_free (menu_item->accel_path);
1069 menu_item->accel_path = g_strdup (accel_path);
1071 /* forget accelerators associated with old path */
1072 _gtk_widget_set_accel_path (widget, NULL, NULL);
1074 /* install accelerators associated with new path */
1077 GtkMenu *menu = GTK_MENU (widget->parent);
1079 if (menu->accel_group)
1080 _gtk_menu_item_refresh_accel_path (GTK_MENU_ITEM (widget),
1088 gtk_menu_item_forall (GtkContainer *container,
1089 gboolean include_internals,
1090 GtkCallback callback,
1091 gpointer callback_data)
1094 GtkMenuItem *menu_item;
1096 g_return_if_fail (GTK_IS_MENU_ITEM (container));
1097 g_return_if_fail (callback != NULL);
1099 bin = GTK_BIN (container);
1100 menu_item = GTK_MENU_ITEM (container);
1103 callback (bin->child, callback_data);