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"
30 #include "gtkmarshalers.h"
32 #include "gtkmenubar.h"
33 #include "gtkmenuitem.h"
34 #include "gtktearoffmenuitem.h"
35 #include "gtkseparatormenuitem.h"
36 #include "gtksignal.h"
39 #define BORDER_SPACING 3
40 #define SELECT_TIMEOUT 75
42 #define MENU_ITEM_CLASS(w) GTK_MENU_ITEM_CLASS (GTK_OBJECT (w)->klass)
54 static void gtk_menu_item_class_init (GtkMenuItemClass *klass);
55 static void gtk_menu_item_init (GtkMenuItem *menu_item);
56 static void gtk_menu_item_destroy (GtkObject *object);
57 static void gtk_menu_item_finalize (GObject *object);
58 static void gtk_menu_item_size_request (GtkWidget *widget,
59 GtkRequisition *requisition);
60 static void gtk_menu_item_size_allocate (GtkWidget *widget,
61 GtkAllocation *allocation);
62 static void gtk_menu_item_realize (GtkWidget *widget);
63 static void gtk_menu_item_unrealize (GtkWidget *widget);
64 static void gtk_menu_item_map (GtkWidget *widget);
65 static void gtk_menu_item_unmap (GtkWidget *widget);
66 static void gtk_menu_item_paint (GtkWidget *widget,
68 static gint gtk_menu_item_expose (GtkWidget *widget,
69 GdkEventExpose *event);
72 static void gtk_real_menu_item_select (GtkItem *item);
73 static void gtk_real_menu_item_deselect (GtkItem *item);
74 static void gtk_real_menu_item_activate_item (GtkMenuItem *item);
75 static void gtk_real_menu_item_toggle_size_request (GtkMenuItem *menu_item,
77 static void gtk_real_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
79 static gboolean gtk_menu_item_mnemonic_activate (GtkWidget *widget,
80 gboolean group_cycling);
82 static gint gtk_menu_item_select_timeout (gpointer data);
83 static void gtk_menu_item_popup_submenu (gpointer data);
84 static void gtk_menu_item_position_menu (GtkMenu *menu,
89 static void gtk_menu_item_show_all (GtkWidget *widget);
90 static void gtk_menu_item_hide_all (GtkWidget *widget);
91 static void gtk_menu_item_forall (GtkContainer *container,
92 gboolean include_internals,
94 gpointer callback_data);
97 static GtkItemClass *parent_class;
98 static guint menu_item_signals[LAST_SIGNAL] = { 0 };
99 static guint32 last_submenu_deselect_time = 0;
104 gtk_menu_item_get_type (void)
106 static GtkType menu_item_type = 0;
110 static const GTypeInfo menu_item_info =
112 sizeof (GtkMenuItemClass),
113 NULL, /* base_init */
114 NULL, /* base_finalize */
115 (GClassInitFunc) gtk_menu_item_class_init,
116 NULL, /* class_finalize */
117 NULL, /* class_data */
118 sizeof (GtkMenuItem),
119 16, /* n_preallocs */
120 (GInstanceInitFunc) gtk_menu_item_init,
123 menu_item_type = g_type_register_static (GTK_TYPE_ITEM, "GtkMenuItem", &menu_item_info, 0);
126 return menu_item_type;
130 gtk_menu_item_class_init (GtkMenuItemClass *klass)
132 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
133 GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
134 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
135 GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
136 GtkItemClass *item_class = GTK_ITEM_CLASS (klass);
138 parent_class = g_type_class_peek_parent (klass);
140 gobject_class->finalize = gtk_menu_item_finalize;
142 object_class->destroy = gtk_menu_item_destroy;
144 widget_class->size_request = gtk_menu_item_size_request;
145 widget_class->size_allocate = gtk_menu_item_size_allocate;
146 widget_class->expose_event = gtk_menu_item_expose;
147 widget_class->realize = gtk_menu_item_realize;
148 widget_class->unrealize = gtk_menu_item_unrealize;
149 widget_class->map = gtk_menu_item_map;
150 widget_class->unmap = gtk_menu_item_unmap;
151 widget_class->show_all = gtk_menu_item_show_all;
152 widget_class->hide_all = gtk_menu_item_hide_all;
153 widget_class->mnemonic_activate = gtk_menu_item_mnemonic_activate;
155 container_class->forall = gtk_menu_item_forall;
157 item_class->select = gtk_real_menu_item_select;
158 item_class->deselect = gtk_real_menu_item_deselect;
160 klass->activate = NULL;
161 klass->activate_item = gtk_real_menu_item_activate_item;
162 klass->toggle_size_request = gtk_real_menu_item_toggle_size_request;
163 klass->toggle_size_allocate = gtk_real_menu_item_toggle_size_allocate;
165 klass->hide_on_activate = TRUE;
167 menu_item_signals[ACTIVATE] =
168 gtk_signal_new ("activate",
169 GTK_RUN_FIRST | GTK_RUN_ACTION,
170 GTK_CLASS_TYPE (object_class),
171 GTK_SIGNAL_OFFSET (GtkMenuItemClass, activate),
172 _gtk_marshal_VOID__VOID,
174 widget_class->activate_signal = menu_item_signals[ACTIVATE];
176 menu_item_signals[ACTIVATE_ITEM] =
177 gtk_signal_new ("activate_item",
179 GTK_CLASS_TYPE (object_class),
180 GTK_SIGNAL_OFFSET (GtkMenuItemClass, activate_item),
181 gtk_signal_default_marshaller,
184 menu_item_signals[TOGGLE_SIZE_REQUEST] =
185 gtk_signal_new ("toggle_size_request",
187 GTK_CLASS_TYPE (object_class),
188 GTK_SIGNAL_OFFSET (GtkMenuItemClass, toggle_size_request),
189 _gtk_marshal_VOID__BOXED,
191 GTK_TYPE_REQUISITION);
193 menu_item_signals[TOGGLE_SIZE_ALLOCATE] =
194 gtk_signal_new ("toggle_size_allocate",
196 GTK_CLASS_TYPE (object_class),
197 GTK_SIGNAL_OFFSET (GtkMenuItemClass, toggle_size_allocate),
198 _gtk_marshal_NONE__INT,
204 gtk_menu_item_init (GtkMenuItem *menu_item)
206 GTK_WIDGET_SET_FLAGS (menu_item, GTK_NO_WINDOW);
208 menu_item->submenu = NULL;
209 menu_item->toggle_size = 0;
210 menu_item->accelerator_width = 0;
211 menu_item->show_submenu_indicator = FALSE;
212 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
213 menu_item->submenu_placement = GTK_TOP_BOTTOM;
214 menu_item->right_justify = FALSE;
216 menu_item->timer = 0;
220 gtk_menu_item_new (void)
222 return GTK_WIDGET (gtk_type_new (gtk_menu_item_get_type ()));
226 gtk_menu_item_new_with_label (const gchar *label)
228 GtkWidget *menu_item;
229 GtkWidget *accel_label;
231 menu_item = gtk_menu_item_new ();
232 accel_label = gtk_accel_label_new (label);
233 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
235 gtk_container_add (GTK_CONTAINER (menu_item), accel_label);
236 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), menu_item);
237 gtk_widget_show (accel_label);
244 * gtk_menu_item_new_with_mnemonic:
245 * @label: The text of the button, with an underscore in front of the
247 * @returns: a new #GtkMenuItem
249 * Creates a new #GtkMenuItem containing a label. The label
250 * will be created using gtk_label_new_with_mnemonic(), so underscores
251 * in @label indicate the mnemonic for the menu item.
254 gtk_menu_item_new_with_mnemonic (const gchar *label)
256 GtkWidget *menu_item;
257 GtkWidget *accel_label;
259 menu_item = gtk_menu_item_new ();
260 accel_label = gtk_type_new (GTK_TYPE_ACCEL_LABEL);
261 gtk_label_set_text_with_mnemonic (GTK_LABEL (accel_label), label);
262 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
264 gtk_container_add (GTK_CONTAINER (menu_item), accel_label);
265 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), menu_item);
266 gtk_widget_show (accel_label);
272 gtk_menu_item_destroy (GtkObject *object)
274 GtkMenuItem *menu_item;
276 g_return_if_fail (GTK_IS_MENU_ITEM (object));
278 menu_item = GTK_MENU_ITEM (object);
280 if (menu_item->submenu)
281 gtk_widget_destroy (menu_item->submenu);
283 GTK_OBJECT_CLASS (parent_class)->destroy (object);
287 gtk_menu_item_finalize (GObject *object)
289 GtkMenuItem *menu_item = GTK_MENU_ITEM (object);
291 g_free (menu_item->accel_path);
293 G_OBJECT_CLASS (parent_class)->finalize (object);
297 gtk_menu_item_detacher (GtkWidget *widget,
300 GtkMenuItem *menu_item;
302 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
304 menu_item = GTK_MENU_ITEM (widget);
305 g_return_if_fail (menu_item->submenu == (GtkWidget*) menu);
307 menu_item->submenu = NULL;
311 gtk_menu_item_set_submenu (GtkMenuItem *menu_item,
314 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
316 if (menu_item->submenu != submenu)
318 gtk_menu_item_remove_submenu (menu_item);
320 menu_item->submenu = submenu;
321 gtk_menu_attach_to_widget (GTK_MENU (submenu),
322 GTK_WIDGET (menu_item),
323 gtk_menu_item_detacher);
325 if (GTK_WIDGET (menu_item)->parent)
326 gtk_widget_queue_resize (GTK_WIDGET (menu_item));
331 * gtk_menu_item_get_submenu:
332 * @menu_item: a #GtkMenuItem
334 * Gets the submenu underneath this menu item, if any. See
335 * gtk_menu_item_set_submenu().
337 * Return value: submenu for this menu item, or %NULL if none.
340 gtk_menu_item_get_submenu (GtkMenuItem *menu_item)
342 g_return_val_if_fail (GTK_IS_MENU_ITEM (menu_item), NULL);
344 return menu_item->submenu;
348 gtk_menu_item_remove_submenu (GtkMenuItem *menu_item)
350 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
352 if (menu_item->submenu)
353 gtk_menu_detach (GTK_MENU (menu_item->submenu));
357 _gtk_menu_item_set_placement (GtkMenuItem *menu_item,
358 GtkSubmenuPlacement placement)
360 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
362 menu_item->submenu_placement = placement;
366 gtk_menu_item_select (GtkMenuItem *menu_item)
368 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
370 gtk_item_select (GTK_ITEM (menu_item));
374 gtk_menu_item_deselect (GtkMenuItem *menu_item)
376 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
378 gtk_item_deselect (GTK_ITEM (menu_item));
382 gtk_menu_item_activate (GtkMenuItem *menu_item)
384 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
386 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[ACTIVATE]);
390 gtk_menu_item_toggle_size_request (GtkMenuItem *menu_item,
393 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
395 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[TOGGLE_SIZE_REQUEST], requisition);
399 gtk_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
402 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
404 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[TOGGLE_SIZE_ALLOCATE], allocation);
408 gtk_menu_item_accel_width_foreach (GtkWidget *widget,
413 if (GTK_IS_ACCEL_LABEL (widget))
417 w = gtk_accel_label_get_accel_width (GTK_ACCEL_LABEL (widget));
418 *width = MAX (*width, w);
420 else if (GTK_IS_CONTAINER (widget))
421 gtk_container_foreach (GTK_CONTAINER (widget),
422 gtk_menu_item_accel_width_foreach,
427 gtk_menu_item_size_request (GtkWidget *widget,
428 GtkRequisition *requisition)
430 GtkMenuItem *menu_item;
434 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
435 g_return_if_fail (requisition != NULL);
437 bin = GTK_BIN (widget);
438 menu_item = GTK_MENU_ITEM (widget);
440 requisition->width = (GTK_CONTAINER (widget)->border_width +
441 widget->style->xthickness +
443 requisition->height = (GTK_CONTAINER (widget)->border_width +
444 widget->style->ythickness) * 2;
446 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
448 GtkRequisition child_requisition;
450 gtk_widget_size_request (bin->child, &child_requisition);
452 requisition->width += child_requisition.width;
453 requisition->height += child_requisition.height;
456 if (menu_item->submenu && menu_item->show_submenu_indicator)
457 requisition->width += 21;
460 gtk_container_foreach (GTK_CONTAINER (menu_item),
461 gtk_menu_item_accel_width_foreach,
463 menu_item->accelerator_width = accel_width;
467 gtk_menu_item_size_allocate (GtkWidget *widget,
468 GtkAllocation *allocation)
470 GtkMenuItem *menu_item;
472 GtkAllocation child_allocation;
474 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
475 g_return_if_fail (allocation != NULL);
477 menu_item = GTK_MENU_ITEM (widget);
478 bin = GTK_BIN (widget);
480 widget->allocation = *allocation;
484 child_allocation.x = (GTK_CONTAINER (widget)->border_width +
485 widget->style->xthickness +
487 child_allocation.y = (GTK_CONTAINER (widget)->border_width +
488 widget->style->ythickness);
489 child_allocation.width = MAX (1, (gint)allocation->width - child_allocation.x * 2);
490 child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
491 child_allocation.x += GTK_MENU_ITEM (widget)->toggle_size;
492 child_allocation.width -= GTK_MENU_ITEM (widget)->toggle_size;
493 child_allocation.x += widget->allocation.x;
494 child_allocation.y += widget->allocation.y;
496 if (menu_item->submenu && menu_item->show_submenu_indicator)
497 child_allocation.width -= 21;
499 gtk_widget_size_allocate (bin->child, &child_allocation);
502 if (GTK_WIDGET_REALIZED (widget))
503 gdk_window_move_resize (menu_item->event_window,
504 allocation->x, allocation->y,
505 allocation->width, allocation->height);
507 if (menu_item->submenu)
508 gtk_menu_reposition (GTK_MENU (menu_item->submenu));
512 gtk_menu_item_realize (GtkWidget *widget)
514 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
515 GdkWindowAttr attributes;
516 gint attributes_mask;
518 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
520 widget->window = gtk_widget_get_parent_window (widget);
521 gdk_window_ref (widget->window);
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_ONLY;
529 attributes.event_mask = (gtk_widget_get_events (widget) |
531 GDK_BUTTON_PRESS_MASK |
532 GDK_BUTTON_RELEASE_MASK |
533 GDK_ENTER_NOTIFY_MASK |
534 GDK_LEAVE_NOTIFY_MASK |
535 GDK_POINTER_MOTION_MASK);
537 attributes_mask = GDK_WA_X | GDK_WA_Y;
538 menu_item->event_window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
539 gdk_window_set_user_data (menu_item->event_window, widget);
541 widget->style = gtk_style_attach (widget->style, widget->window);
545 gtk_menu_item_unrealize (GtkWidget *widget)
547 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
549 gdk_window_set_user_data (menu_item->event_window, NULL);
550 gdk_window_destroy (menu_item->event_window);
551 menu_item->event_window = NULL;
553 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
554 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
558 gtk_menu_item_map (GtkWidget *widget)
560 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
562 gdk_window_show (menu_item->event_window);
564 GTK_WIDGET_CLASS (parent_class)->map (widget);
568 gtk_menu_item_unmap (GtkWidget *widget)
570 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
572 gdk_window_hide (menu_item->event_window);
574 GTK_WIDGET_CLASS (parent_class)->unmap (widget);
578 gtk_menu_item_paint (GtkWidget *widget,
581 GtkMenuItem *menu_item;
582 GtkStateType state_type;
583 GtkShadowType shadow_type;
586 gint border_width = GTK_CONTAINER (widget)->border_width;
588 if (GTK_WIDGET_DRAWABLE (widget))
590 menu_item = GTK_MENU_ITEM (widget);
592 state_type = widget->state;
594 x = widget->allocation.x + border_width;
595 y = widget->allocation.y + border_width;
596 width = widget->allocation.width - border_width * 2;
597 height = widget->allocation.height - border_width * 2;
599 if ((state_type == GTK_STATE_PRELIGHT) &&
600 (GTK_BIN (menu_item)->child))
601 gtk_paint_box (widget->style,
605 area, widget, "menuitem",
606 x, y, width, height);
608 if (menu_item->submenu && menu_item->show_submenu_indicator)
610 shadow_type = GTK_SHADOW_OUT;
611 if (state_type == GTK_STATE_PRELIGHT)
612 shadow_type = GTK_SHADOW_IN;
614 gtk_paint_arrow (widget->style, widget->window,
615 state_type, shadow_type,
616 area, widget, "menuitem",
617 GTK_ARROW_RIGHT, TRUE,
618 x + width - 15, y + height / 2 - 5, 10, 10);
620 else if (!GTK_BIN (menu_item)->child)
622 gtk_paint_hline (widget->style, widget->window, GTK_STATE_NORMAL,
623 area, widget, "menuitem",
624 widget->allocation.x, widget->allocation.width,
625 widget->allocation.y);
631 gtk_menu_item_expose (GtkWidget *widget,
632 GdkEventExpose *event)
634 g_return_val_if_fail (GTK_IS_MENU_ITEM (widget), FALSE);
635 g_return_val_if_fail (event != NULL, FALSE);
637 if (GTK_WIDGET_DRAWABLE (widget))
639 gtk_menu_item_paint (widget, &event->area);
641 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
648 gtk_real_menu_item_select (GtkItem *item)
650 GtkMenuItem *menu_item;
652 g_return_if_fail (GTK_IS_MENU_ITEM (item));
654 menu_item = GTK_MENU_ITEM (item);
656 /* if (menu_item->submenu && !GTK_WIDGET_VISIBLE (menu_item->submenu))*/
657 if (menu_item->submenu)
660 GdkEvent *event = gtk_get_current_event ();
662 etime = event ? gdk_event_get_time (event) : GDK_CURRENT_TIME;
663 if (etime >= last_submenu_deselect_time &&
664 last_submenu_deselect_time + SELECT_TIMEOUT > etime)
665 menu_item->timer = gtk_timeout_add (SELECT_TIMEOUT - (etime - last_submenu_deselect_time),
666 gtk_menu_item_select_timeout,
669 gtk_menu_item_popup_submenu (menu_item);
671 gdk_event_free(event);
674 gtk_widget_set_state (GTK_WIDGET (menu_item), GTK_STATE_PRELIGHT);
675 gtk_widget_draw (GTK_WIDGET (menu_item), NULL);
679 gtk_real_menu_item_deselect (GtkItem *item)
681 GtkMenuItem *menu_item;
683 g_return_if_fail (GTK_IS_MENU_ITEM (item));
685 menu_item = GTK_MENU_ITEM (item);
687 if (menu_item->submenu)
690 GdkEvent *event = gtk_get_current_event ();
692 if (menu_item->timer)
694 gtk_timeout_remove (menu_item->timer);
695 menu_item->timer = 0;
698 gtk_menu_popdown (GTK_MENU (menu_item->submenu));
700 etime = event ? gdk_event_get_time (event) : GDK_CURRENT_TIME;
701 if (etime > last_submenu_deselect_time)
702 last_submenu_deselect_time = etime;
704 gdk_event_free(event);
707 gtk_widget_set_state (GTK_WIDGET (menu_item), GTK_STATE_NORMAL);
708 gtk_widget_draw (GTK_WIDGET (menu_item), NULL);
712 gtk_menu_item_mnemonic_activate (GtkWidget *widget,
713 gboolean group_cycling)
717 if (widget->parent &&
718 GTK_IS_MENU_SHELL (widget->parent))
719 gtk_menu_shell_select_item (GTK_MENU_SHELL (widget->parent),
724 gtk_signal_emit (GTK_OBJECT (widget), menu_item_signals[ACTIVATE_ITEM]);
731 gtk_real_menu_item_activate_item (GtkMenuItem *menu_item)
734 GtkMenuShell *submenu;
736 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
738 widget = GTK_WIDGET (menu_item);
740 if (widget->parent &&
741 GTK_IS_MENU_SHELL (widget->parent))
743 if (menu_item->submenu == NULL)
744 gtk_menu_shell_activate_item (GTK_MENU_SHELL (widget->parent),
748 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget->parent);
750 if (!menu_shell->active)
752 gtk_grab_add (GTK_WIDGET (menu_shell));
753 menu_shell->have_grab = TRUE;
754 menu_shell->active = TRUE;
757 gtk_menu_shell_select_item (GTK_MENU_SHELL (widget->parent), widget);
758 gtk_menu_item_popup_submenu (widget);
760 submenu = GTK_MENU_SHELL (menu_item->submenu);
761 if (submenu->children)
763 if (submenu->children->next &&
764 GTK_IS_TEAROFF_MENU_ITEM (submenu->children->data))
765 gtk_menu_shell_select_item (submenu, submenu->children->next->data);
767 gtk_menu_shell_select_item (submenu, submenu->children->data);
773 gtk_real_menu_item_toggle_size_request (GtkMenuItem *menu_item,
776 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
782 gtk_real_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
785 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
787 menu_item->toggle_size = allocation;
791 gtk_menu_item_select_timeout (gpointer data)
793 GDK_THREADS_ENTER ();
795 gtk_menu_item_popup_submenu (data);
797 GDK_THREADS_LEAVE ();
803 gtk_menu_item_popup_submenu (gpointer data)
805 GtkMenuItem *menu_item;
807 menu_item = GTK_MENU_ITEM (data);
808 menu_item->timer = 0;
810 if (GTK_WIDGET_IS_SENSITIVE (menu_item->submenu))
812 gtk_menu_popup (GTK_MENU (menu_item->submenu),
813 GTK_WIDGET (menu_item)->parent,
814 GTK_WIDGET (menu_item),
815 gtk_menu_item_position_menu,
817 GTK_MENU_SHELL (GTK_WIDGET (menu_item)->parent)->button,
823 gtk_menu_item_position_menu (GtkMenu *menu,
829 GtkMenuItem *menu_item;
831 GtkWidget *parent_menu_item;
834 gint twidth, theight;
837 g_return_if_fail (menu != NULL);
838 g_return_if_fail (x != NULL);
839 g_return_if_fail (y != NULL);
841 menu_item = GTK_MENU_ITEM (user_data);
842 widget = GTK_WIDGET (user_data);
844 twidth = GTK_WIDGET (menu)->requisition.width;
845 theight = GTK_WIDGET (menu)->requisition.height;
847 screen_width = gdk_screen_width ();
848 screen_height = gdk_screen_height ();
850 if (!gdk_window_get_origin (widget->window, &tx, &ty))
852 g_warning ("Menu not on screen");
856 tx += widget->allocation.x;
857 ty += widget->allocation.y;
859 switch (menu_item->submenu_placement)
862 if ((ty + widget->allocation.height + theight) <= screen_height)
863 ty += widget->allocation.height;
864 else if ((ty - theight) >= 0)
866 else if (screen_height - (ty + widget->allocation.height) > ty)
867 ty += widget->allocation.height;
873 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
874 parent_menu_item = GTK_MENU (widget->parent)->parent_menu_item;
875 if (parent_menu_item)
876 menu_item->submenu_direction = GTK_MENU_ITEM (parent_menu_item)->submenu_direction;
878 switch (menu_item->submenu_direction)
880 case GTK_DIRECTION_LEFT:
881 if ((tx - twidth) >= 0)
885 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
886 tx += widget->allocation.width - 5;
890 case GTK_DIRECTION_RIGHT:
891 if ((tx + widget->allocation.width + twidth - 5) <= screen_width)
892 tx += widget->allocation.width - 5;
895 menu_item->submenu_direction = GTK_DIRECTION_LEFT;
901 ty += widget->allocation.height / 4;
903 /* If the height of the menu doesn't fit we move it upward. */
904 ty = CLAMP (ty, 0, MAX (0, screen_height - theight));
908 /* If we have negative, tx, here it is because we can't get
909 * the menu all the way on screen. Favor the left portion.
911 *x = CLAMP (tx, 0, MAX (0, screen_width - twidth));
916 * gtk_menu_item_set_right_justified:
917 * @menu_item: a #GtkMenuItem.
918 * @right_justified: if %TRUE the menu item will appear at the
919 * far right if added to a menu bar.
921 * Sets whether the menu item appears justified at the right
922 * side of a menu bar. This was traditionally done for "Help" menu
923 * items, but is now considered a bad idea. (If the widget
924 * layout is reversed for a right-to-left language like Hebrew
925 * or Arabic, right-justified-menu-items appear at the left.)
928 gtk_menu_item_set_right_justified (GtkMenuItem *menu_item,
929 gboolean right_justified)
931 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
933 right_justified = right_justified != FALSE;
935 if (right_justified != menu_item->right_justify)
937 menu_item->right_justify = right_justified;
938 gtk_widget_queue_resize (GTK_WIDGET (menu_item));
943 * gtk_menu_item_get_right_justified:
944 * @menu_item: a #GtkMenuItem
946 * Gets whether the menu item appears justified at the right
947 * side of the menu bar.
949 * Return value: %TRUE if the menu item will appear at the
950 * far right if added to a menu bar.
953 gtk_menu_item_get_right_justified (GtkMenuItem *menu_item)
955 g_return_val_if_fail (GTK_IS_MENU_ITEM (menu_item), FALSE);
957 return menu_item->right_justify;
962 gtk_menu_item_show_all (GtkWidget *widget)
964 GtkMenuItem *menu_item;
966 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
968 menu_item = GTK_MENU_ITEM (widget);
970 /* show children including submenu */
971 if (menu_item->submenu)
972 gtk_widget_show_all (menu_item->submenu);
973 gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_show_all, NULL);
975 gtk_widget_show (widget);
979 gtk_menu_item_hide_all (GtkWidget *widget)
981 GtkMenuItem *menu_item;
983 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
985 gtk_widget_hide (widget);
987 menu_item = GTK_MENU_ITEM (widget);
989 /* hide children including submenu */
990 gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_hide_all, NULL);
991 if (menu_item->submenu)
992 gtk_widget_hide_all (menu_item->submenu);
996 gtk_menu_item_accel_name_foreach (GtkWidget *widget,
999 const gchar **path_p = data;
1003 if (GTK_IS_LABEL (widget))
1005 *path_p = gtk_label_get_text (GTK_LABEL (widget));
1006 if (*path_p && (*path_p)[0] == 0)
1009 else if (GTK_IS_CONTAINER (widget))
1010 gtk_container_foreach (GTK_CONTAINER (widget),
1011 gtk_menu_item_accel_name_foreach,
1017 _gtk_menu_item_refresh_accel_path (GtkMenuItem *menu_item,
1018 const gchar *prefix,
1019 GtkAccelGroup *accel_group,
1020 gboolean group_changed)
1025 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1026 g_return_if_fail (GTK_IS_ACCEL_GROUP (accel_group));
1028 widget = GTK_WIDGET (menu_item);
1030 path = _gtk_widget_get_accel_path (widget);
1031 if (!path) /* no active accel_path yet */
1033 path = menu_item->accel_path;
1034 if (!path && prefix)
1036 gchar *postfix = NULL;
1038 /* try to construct one from label text */
1039 gtk_container_foreach (GTK_CONTAINER (menu_item),
1040 gtk_menu_item_accel_name_foreach,
1042 menu_item->accel_path = postfix ? g_strconcat (prefix, "/", postfix, NULL) : NULL;
1043 path = menu_item->accel_path;
1046 _gtk_widget_set_accel_path (widget, path, accel_group);
1048 else if (group_changed) /* reinstall accelerators */
1049 _gtk_widget_set_accel_path (widget, path, accel_group);
1053 * gtk_menu_item_set_accel_path
1054 * @menu_item: a valid #GtkMenuItem
1055 * @accel_path: accelerator path, corresponding to this menu item's funcitonality
1057 * Set the accelerator path on @menu_item, through which runtime changes of the
1058 * menu item's accelerator caused by the user can be identified and saved to
1059 * persistant storage (see gtk_accel_map_save() on this).
1060 * To setup a default accelerator for this menu item, call
1061 * gtk_accel_map_add_entry() with the same @accel_path.
1062 * See also gtk_accel_map_add_entry() on the specifics of accelerator paths,
1063 * and gtk_menu_set_accel_path() for a more convenient variant of this function.
1066 gtk_menu_item_set_accel_path (GtkMenuItem *menu_item,
1067 const gchar *accel_path)
1071 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1072 g_return_if_fail (accel_path && accel_path[0] == '<' && strchr (accel_path, '/'));
1074 widget = GTK_WIDGET (menu_item);
1076 /* store new path */
1077 g_free (menu_item->accel_path);
1078 menu_item->accel_path = g_strdup (accel_path);
1080 /* forget accelerators associated with old path */
1081 _gtk_widget_set_accel_path (widget, NULL, NULL);
1083 /* install accelerators associated with new path */
1086 GtkMenu *menu = GTK_MENU (widget->parent);
1088 if (menu->accel_group)
1089 _gtk_menu_item_refresh_accel_path (GTK_MENU_ITEM (widget),
1097 gtk_menu_item_forall (GtkContainer *container,
1098 gboolean include_internals,
1099 GtkCallback callback,
1100 gpointer callback_data)
1103 GtkMenuItem *menu_item;
1105 g_return_if_fail (GTK_IS_MENU_ITEM (container));
1106 g_return_if_fail (callback != NULL);
1108 bin = GTK_BIN (container);
1109 menu_item = GTK_MENU_ITEM (container);
1112 callback (bin->child, callback_data);
1116 _gtk_menu_item_is_selectable (GtkWidget *menu_item)
1118 if ((!GTK_BIN (menu_item)->child &&
1119 G_OBJECT_TYPE (menu_item) == GTK_TYPE_MENU_ITEM) ||
1120 GTK_IS_SEPARATOR_MENU_ITEM (menu_item) ||
1121 !GTK_WIDGET_IS_SENSITIVE (menu_item) ||
1122 !GTK_WIDGET_VISIBLE (menu_item))