1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #define GTK_MENU_INTERNALS
30 #include "gtkaccellabel.h"
32 #include "gtkmarshalers.h"
34 #include "gtkmenubar.h"
35 #include "gtkmenuitem.h"
36 #include "gtkseparatormenuitem.h"
37 #include "gtksignal.h"
40 #define BORDER_SPACING 3
41 #define SELECT_TIMEOUT 75
43 #define MENU_ITEM_CLASS(w) GTK_MENU_ITEM_CLASS (GTK_OBJECT (w)->klass)
55 static void gtk_menu_item_class_init (GtkMenuItemClass *klass);
56 static void gtk_menu_item_init (GtkMenuItem *menu_item);
57 static void gtk_menu_item_destroy (GtkObject *object);
58 static void gtk_menu_item_finalize (GObject *object);
59 static void gtk_menu_item_size_request (GtkWidget *widget,
60 GtkRequisition *requisition);
61 static void gtk_menu_item_size_allocate (GtkWidget *widget,
62 GtkAllocation *allocation);
63 static void gtk_menu_item_realize (GtkWidget *widget);
64 static void gtk_menu_item_unrealize (GtkWidget *widget);
65 static void gtk_menu_item_map (GtkWidget *widget);
66 static void gtk_menu_item_unmap (GtkWidget *widget);
67 static void gtk_menu_item_paint (GtkWidget *widget,
69 static gint gtk_menu_item_expose (GtkWidget *widget,
70 GdkEventExpose *event);
71 static void gtk_menu_item_parent_set (GtkWidget *widget,
72 GtkWidget *previous_parent);
75 static void gtk_real_menu_item_select (GtkItem *item);
76 static void gtk_real_menu_item_deselect (GtkItem *item);
77 static void gtk_real_menu_item_activate_item (GtkMenuItem *item);
78 static void gtk_real_menu_item_toggle_size_request (GtkMenuItem *menu_item,
80 static void gtk_real_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
82 static gboolean gtk_menu_item_mnemonic_activate (GtkWidget *widget,
83 gboolean group_cycling);
85 static gint gtk_menu_item_select_timeout (gpointer data);
86 static void gtk_menu_item_popup_submenu (gpointer data);
87 static void gtk_menu_item_position_menu (GtkMenu *menu,
92 static void gtk_menu_item_show_all (GtkWidget *widget);
93 static void gtk_menu_item_hide_all (GtkWidget *widget);
94 static void gtk_menu_item_forall (GtkContainer *container,
95 gboolean include_internals,
97 gpointer callback_data);
100 static GtkItemClass *parent_class;
101 static guint menu_item_signals[LAST_SIGNAL] = { 0 };
102 static guint32 last_submenu_deselect_time = 0;
107 gtk_menu_item_get_type (void)
109 static GtkType menu_item_type = 0;
113 static const GTypeInfo menu_item_info =
115 sizeof (GtkMenuItemClass),
116 NULL, /* base_init */
117 NULL, /* base_finalize */
118 (GClassInitFunc) gtk_menu_item_class_init,
119 NULL, /* class_finalize */
120 NULL, /* class_data */
121 sizeof (GtkMenuItem),
122 16, /* n_preallocs */
123 (GInstanceInitFunc) gtk_menu_item_init,
126 menu_item_type = g_type_register_static (GTK_TYPE_ITEM, "GtkMenuItem", &menu_item_info, 0);
129 return menu_item_type;
133 gtk_menu_item_class_init (GtkMenuItemClass *klass)
135 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
136 GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
137 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
138 GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
139 GtkItemClass *item_class = GTK_ITEM_CLASS (klass);
141 parent_class = g_type_class_peek_parent (klass);
143 gobject_class->finalize = gtk_menu_item_finalize;
145 object_class->destroy = gtk_menu_item_destroy;
147 widget_class->size_request = gtk_menu_item_size_request;
148 widget_class->size_allocate = gtk_menu_item_size_allocate;
149 widget_class->expose_event = gtk_menu_item_expose;
150 widget_class->realize = gtk_menu_item_realize;
151 widget_class->unrealize = gtk_menu_item_unrealize;
152 widget_class->map = gtk_menu_item_map;
153 widget_class->unmap = gtk_menu_item_unmap;
154 widget_class->show_all = gtk_menu_item_show_all;
155 widget_class->hide_all = gtk_menu_item_hide_all;
156 widget_class->mnemonic_activate = gtk_menu_item_mnemonic_activate;
157 widget_class->parent_set = gtk_menu_item_parent_set;
159 container_class->forall = gtk_menu_item_forall;
161 item_class->select = gtk_real_menu_item_select;
162 item_class->deselect = gtk_real_menu_item_deselect;
164 klass->activate = NULL;
165 klass->activate_item = gtk_real_menu_item_activate_item;
166 klass->toggle_size_request = gtk_real_menu_item_toggle_size_request;
167 klass->toggle_size_allocate = gtk_real_menu_item_toggle_size_allocate;
169 klass->hide_on_activate = TRUE;
171 menu_item_signals[ACTIVATE] =
172 gtk_signal_new ("activate",
173 GTK_RUN_FIRST | GTK_RUN_ACTION,
174 GTK_CLASS_TYPE (object_class),
175 GTK_SIGNAL_OFFSET (GtkMenuItemClass, activate),
176 _gtk_marshal_VOID__VOID,
178 widget_class->activate_signal = menu_item_signals[ACTIVATE];
180 menu_item_signals[ACTIVATE_ITEM] =
181 gtk_signal_new ("activate_item",
183 GTK_CLASS_TYPE (object_class),
184 GTK_SIGNAL_OFFSET (GtkMenuItemClass, activate_item),
185 gtk_signal_default_marshaller,
188 menu_item_signals[TOGGLE_SIZE_REQUEST] =
189 gtk_signal_new ("toggle_size_request",
191 GTK_CLASS_TYPE (object_class),
192 GTK_SIGNAL_OFFSET (GtkMenuItemClass, toggle_size_request),
193 _gtk_marshal_VOID__POINTER,
197 menu_item_signals[TOGGLE_SIZE_ALLOCATE] =
198 gtk_signal_new ("toggle_size_allocate",
200 GTK_CLASS_TYPE (object_class),
201 GTK_SIGNAL_OFFSET (GtkMenuItemClass, toggle_size_allocate),
202 _gtk_marshal_NONE__INT,
208 gtk_menu_item_init (GtkMenuItem *menu_item)
210 GTK_WIDGET_SET_FLAGS (menu_item, GTK_NO_WINDOW);
212 menu_item->submenu = NULL;
213 menu_item->toggle_size = 0;
214 menu_item->accelerator_width = 0;
215 menu_item->show_submenu_indicator = FALSE;
216 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
217 menu_item->submenu_placement = GTK_TOP_BOTTOM;
218 menu_item->right_justify = FALSE;
220 menu_item->timer = 0;
224 gtk_menu_item_new (void)
226 return GTK_WIDGET (gtk_type_new (gtk_menu_item_get_type ()));
230 gtk_menu_item_new_with_label (const gchar *label)
232 GtkWidget *menu_item;
233 GtkWidget *accel_label;
235 menu_item = gtk_menu_item_new ();
236 accel_label = gtk_accel_label_new (label);
237 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
239 gtk_container_add (GTK_CONTAINER (menu_item), accel_label);
240 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), menu_item);
241 gtk_widget_show (accel_label);
248 * gtk_menu_item_new_with_mnemonic:
249 * @label: The text of the button, with an underscore in front of the
251 * @returns: a new #GtkMenuItem
253 * Creates a new #GtkMenuItem containing a label. The label
254 * will be created using gtk_label_new_with_mnemonic(), so underscores
255 * in @label indicate the mnemonic for the menu item.
258 gtk_menu_item_new_with_mnemonic (const gchar *label)
260 GtkWidget *menu_item;
261 GtkWidget *accel_label;
263 menu_item = gtk_menu_item_new ();
264 accel_label = gtk_type_new (GTK_TYPE_ACCEL_LABEL);
265 gtk_label_set_text_with_mnemonic (GTK_LABEL (accel_label), label);
266 gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
268 gtk_container_add (GTK_CONTAINER (menu_item), accel_label);
269 gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), menu_item);
270 gtk_widget_show (accel_label);
276 gtk_menu_item_destroy (GtkObject *object)
278 GtkMenuItem *menu_item;
280 g_return_if_fail (GTK_IS_MENU_ITEM (object));
282 menu_item = GTK_MENU_ITEM (object);
284 if (menu_item->submenu)
285 gtk_widget_destroy (menu_item->submenu);
287 GTK_OBJECT_CLASS (parent_class)->destroy (object);
291 gtk_menu_item_finalize (GObject *object)
293 GtkMenuItem *menu_item = GTK_MENU_ITEM (object);
295 g_free (menu_item->accel_path);
297 G_OBJECT_CLASS (parent_class)->finalize (object);
301 gtk_menu_item_detacher (GtkWidget *widget,
304 GtkMenuItem *menu_item;
306 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
308 menu_item = GTK_MENU_ITEM (widget);
309 g_return_if_fail (menu_item->submenu == (GtkWidget*) menu);
311 menu_item->submenu = NULL;
315 gtk_menu_item_set_submenu (GtkMenuItem *menu_item,
318 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
320 if (menu_item->submenu != submenu)
322 gtk_menu_item_remove_submenu (menu_item);
324 menu_item->submenu = submenu;
325 gtk_menu_attach_to_widget (GTK_MENU (submenu),
326 GTK_WIDGET (menu_item),
327 gtk_menu_item_detacher);
329 if (GTK_WIDGET (menu_item)->parent)
330 gtk_widget_queue_resize (GTK_WIDGET (menu_item));
335 * gtk_menu_item_get_submenu:
336 * @menu_item: a #GtkMenuItem
338 * Gets the submenu underneath this menu item, if any. See
339 * gtk_menu_item_set_submenu().
341 * Return value: submenu for this menu item, or %NULL if none.
344 gtk_menu_item_get_submenu (GtkMenuItem *menu_item)
346 g_return_val_if_fail (GTK_IS_MENU_ITEM (menu_item), NULL);
348 return menu_item->submenu;
352 gtk_menu_item_remove_submenu (GtkMenuItem *menu_item)
354 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
356 if (menu_item->submenu)
357 gtk_menu_detach (GTK_MENU (menu_item->submenu));
360 void _gtk_menu_item_set_placement (GtkMenuItem *menu_item,
361 GtkSubmenuPlacement placement);
364 _gtk_menu_item_set_placement (GtkMenuItem *menu_item,
365 GtkSubmenuPlacement placement)
367 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
369 menu_item->submenu_placement = placement;
373 gtk_menu_item_select (GtkMenuItem *menu_item)
375 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
377 gtk_item_select (GTK_ITEM (menu_item));
381 gtk_menu_item_deselect (GtkMenuItem *menu_item)
383 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
385 gtk_item_deselect (GTK_ITEM (menu_item));
389 gtk_menu_item_activate (GtkMenuItem *menu_item)
391 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
393 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[ACTIVATE]);
397 gtk_menu_item_toggle_size_request (GtkMenuItem *menu_item,
400 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
402 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[TOGGLE_SIZE_REQUEST], requisition);
406 gtk_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
409 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
411 gtk_signal_emit (GTK_OBJECT (menu_item), menu_item_signals[TOGGLE_SIZE_ALLOCATE], allocation);
415 gtk_menu_item_accel_width_foreach (GtkWidget *widget,
420 if (GTK_IS_ACCEL_LABEL (widget))
424 w = gtk_accel_label_get_accel_width (GTK_ACCEL_LABEL (widget));
425 *width = MAX (*width, w);
427 else if (GTK_IS_CONTAINER (widget))
428 gtk_container_foreach (GTK_CONTAINER (widget),
429 gtk_menu_item_accel_width_foreach,
434 gtk_menu_item_size_request (GtkWidget *widget,
435 GtkRequisition *requisition)
437 GtkMenuItem *menu_item;
441 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
442 g_return_if_fail (requisition != NULL);
444 bin = GTK_BIN (widget);
445 menu_item = GTK_MENU_ITEM (widget);
447 requisition->width = (GTK_CONTAINER (widget)->border_width +
448 widget->style->xthickness +
450 requisition->height = (GTK_CONTAINER (widget)->border_width +
451 widget->style->ythickness) * 2;
453 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
455 GtkRequisition child_requisition;
457 gtk_widget_size_request (bin->child, &child_requisition);
459 requisition->width += child_requisition.width;
460 requisition->height += child_requisition.height;
462 if (menu_item->submenu && menu_item->show_submenu_indicator)
463 requisition->width += child_requisition.height;
467 gtk_container_foreach (GTK_CONTAINER (menu_item),
468 gtk_menu_item_accel_width_foreach,
470 menu_item->accelerator_width = accel_width;
474 gtk_menu_item_size_allocate (GtkWidget *widget,
475 GtkAllocation *allocation)
477 GtkMenuItem *menu_item;
479 GtkAllocation child_allocation;
481 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
482 g_return_if_fail (allocation != NULL);
484 menu_item = GTK_MENU_ITEM (widget);
485 bin = GTK_BIN (widget);
487 widget->allocation = *allocation;
491 child_allocation.x = (GTK_CONTAINER (widget)->border_width +
492 widget->style->xthickness +
494 child_allocation.y = (GTK_CONTAINER (widget)->border_width +
495 widget->style->ythickness);
496 child_allocation.width = MAX (1, (gint)allocation->width - child_allocation.x * 2);
497 child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
498 child_allocation.x += GTK_MENU_ITEM (widget)->toggle_size;
499 child_allocation.width -= GTK_MENU_ITEM (widget)->toggle_size;
500 child_allocation.x += widget->allocation.x;
501 child_allocation.y += widget->allocation.y;
503 if (menu_item->submenu && menu_item->show_submenu_indicator)
504 child_allocation.width -= child_allocation.height;
506 gtk_widget_size_allocate (bin->child, &child_allocation);
509 if (GTK_WIDGET_REALIZED (widget))
510 gdk_window_move_resize (menu_item->event_window,
511 allocation->x, allocation->y,
512 allocation->width, allocation->height);
514 if (menu_item->submenu)
515 gtk_menu_reposition (GTK_MENU (menu_item->submenu));
519 gtk_menu_item_realize (GtkWidget *widget)
521 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
522 GdkWindowAttr attributes;
523 gint attributes_mask;
525 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
527 widget->window = gtk_widget_get_parent_window (widget);
528 gdk_window_ref (widget->window);
530 attributes.x = widget->allocation.x;
531 attributes.y = widget->allocation.y;
532 attributes.width = widget->allocation.width;
533 attributes.height = widget->allocation.height;
534 attributes.window_type = GDK_WINDOW_CHILD;
535 attributes.wclass = GDK_INPUT_ONLY;
536 attributes.event_mask = (gtk_widget_get_events (widget) |
538 GDK_BUTTON_PRESS_MASK |
539 GDK_BUTTON_RELEASE_MASK |
540 GDK_ENTER_NOTIFY_MASK |
541 GDK_LEAVE_NOTIFY_MASK |
542 GDK_POINTER_MOTION_MASK);
544 attributes_mask = GDK_WA_X | GDK_WA_Y;
545 menu_item->event_window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
546 gdk_window_set_user_data (menu_item->event_window, widget);
548 widget->style = gtk_style_attach (widget->style, widget->window);
552 gtk_menu_item_unrealize (GtkWidget *widget)
554 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
556 gdk_window_set_user_data (menu_item->event_window, NULL);
557 gdk_window_destroy (menu_item->event_window);
558 menu_item->event_window = NULL;
560 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
561 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
565 gtk_menu_item_map (GtkWidget *widget)
567 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
569 GTK_WIDGET_CLASS (parent_class)->map (widget);
571 gdk_window_show (menu_item->event_window);
575 gtk_menu_item_unmap (GtkWidget *widget)
577 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
579 gdk_window_hide (menu_item->event_window);
581 GTK_WIDGET_CLASS (parent_class)->unmap (widget);
585 gtk_menu_item_paint (GtkWidget *widget,
588 GtkMenuItem *menu_item;
589 GtkStateType state_type;
590 GtkShadowType shadow_type;
593 gint border_width = GTK_CONTAINER (widget)->border_width;
595 if (GTK_WIDGET_DRAWABLE (widget))
597 menu_item = GTK_MENU_ITEM (widget);
599 state_type = widget->state;
601 x = widget->allocation.x + border_width;
602 y = widget->allocation.y + border_width;
603 width = widget->allocation.width - border_width * 2;
604 height = widget->allocation.height - border_width * 2;
606 if ((state_type == GTK_STATE_PRELIGHT) &&
607 (GTK_BIN (menu_item)->child))
608 gtk_paint_box (widget->style,
612 area, widget, "menuitem",
613 x, y, width, height);
615 if (menu_item->submenu && menu_item->show_submenu_indicator)
617 gint arrow_x, arrow_y;
618 gint arrow_size = height - 2 * widget->style->ythickness;
619 gint arrow_extent = arrow_size / 2;
621 shadow_type = GTK_SHADOW_OUT;
622 if (state_type == GTK_STATE_PRELIGHT)
623 shadow_type = GTK_SHADOW_IN;
625 arrow_x = x + width - 1 - arrow_size + (arrow_size - arrow_extent) / 2;
626 arrow_y = y + (height - arrow_extent) / 2;
628 gtk_paint_arrow (widget->style, widget->window,
629 state_type, shadow_type,
630 area, widget, "menuitem",
631 GTK_ARROW_RIGHT, TRUE,
633 arrow_extent, arrow_extent);
635 else if (!GTK_BIN (menu_item)->child)
637 gtk_paint_hline (widget->style, widget->window, GTK_STATE_NORMAL,
638 area, widget, "menuitem",
639 widget->allocation.x, widget->allocation.width,
640 widget->allocation.y);
646 gtk_menu_item_expose (GtkWidget *widget,
647 GdkEventExpose *event)
649 g_return_val_if_fail (GTK_IS_MENU_ITEM (widget), FALSE);
650 g_return_val_if_fail (event != NULL, FALSE);
652 if (GTK_WIDGET_DRAWABLE (widget))
654 gtk_menu_item_paint (widget, &event->area);
656 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
663 gtk_real_menu_item_select (GtkItem *item)
665 GtkMenuItem *menu_item;
667 g_return_if_fail (GTK_IS_MENU_ITEM (item));
669 menu_item = GTK_MENU_ITEM (item);
671 /* if (menu_item->submenu && !GTK_WIDGET_VISIBLE (menu_item->submenu))*/
672 if (menu_item->submenu)
675 GdkEvent *event = gtk_get_current_event ();
677 etime = event ? gdk_event_get_time (event) : GDK_CURRENT_TIME;
679 etime >= last_submenu_deselect_time &&
680 last_submenu_deselect_time + SELECT_TIMEOUT > etime)
682 if (!menu_item->timer)
683 menu_item->timer = gtk_timeout_add (SELECT_TIMEOUT - (etime - last_submenu_deselect_time),
684 gtk_menu_item_select_timeout,
687 event->type != GDK_BUTTON_PRESS &&
688 event->type != GDK_ENTER_NOTIFY)
689 menu_item->timer_from_keypress = TRUE;
691 menu_item->timer_from_keypress = FALSE;
694 gtk_menu_item_popup_submenu (menu_item);
696 gdk_event_free(event);
699 gtk_widget_set_state (GTK_WIDGET (menu_item), GTK_STATE_PRELIGHT);
700 gtk_widget_draw (GTK_WIDGET (menu_item), NULL);
704 gtk_real_menu_item_deselect (GtkItem *item)
706 GtkMenuItem *menu_item;
708 g_return_if_fail (GTK_IS_MENU_ITEM (item));
710 menu_item = GTK_MENU_ITEM (item);
712 if (menu_item->submenu)
715 GdkEvent *event = gtk_get_current_event ();
717 if (menu_item->timer)
719 gtk_timeout_remove (menu_item->timer);
720 menu_item->timer = 0;
723 gtk_menu_popdown (GTK_MENU (menu_item->submenu));
725 etime = event ? gdk_event_get_time (event) : GDK_CURRENT_TIME;
726 if (etime > last_submenu_deselect_time)
727 last_submenu_deselect_time = etime;
729 gdk_event_free(event);
732 gtk_widget_set_state (GTK_WIDGET (menu_item), GTK_STATE_NORMAL);
733 gtk_widget_draw (GTK_WIDGET (menu_item), NULL);
737 gtk_menu_item_mnemonic_activate (GtkWidget *widget,
738 gboolean group_cycling)
742 if (widget->parent &&
743 GTK_IS_MENU_SHELL (widget->parent))
744 gtk_menu_shell_select_item (GTK_MENU_SHELL (widget->parent),
749 gtk_signal_emit (GTK_OBJECT (widget), menu_item_signals[ACTIVATE_ITEM]);
756 gtk_real_menu_item_activate_item (GtkMenuItem *menu_item)
759 GtkMenuShell *submenu;
761 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
763 widget = GTK_WIDGET (menu_item);
765 if (widget->parent &&
766 GTK_IS_MENU_SHELL (widget->parent))
768 if (menu_item->submenu == NULL)
769 gtk_menu_shell_activate_item (GTK_MENU_SHELL (widget->parent),
773 GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget->parent);
775 if (!menu_shell->active)
777 gtk_grab_add (GTK_WIDGET (menu_shell));
778 menu_shell->have_grab = TRUE;
779 menu_shell->active = TRUE;
782 gtk_menu_shell_select_item (GTK_MENU_SHELL (widget->parent), widget);
783 gtk_menu_item_popup_submenu (widget);
785 _gtk_menu_shell_select_first (GTK_MENU_SHELL (menu_item->submenu));
786 submenu = GTK_MENU_SHELL (menu_item->submenu);
791 gtk_real_menu_item_toggle_size_request (GtkMenuItem *menu_item,
794 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
800 gtk_real_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
803 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
805 menu_item->toggle_size = allocation;
809 gtk_menu_item_select_timeout (gpointer data)
811 GtkMenuItem *menu_item;
814 GDK_THREADS_ENTER ();
816 menu_item = GTK_MENU_ITEM (data);
818 parent = GTK_WIDGET (menu_item)->parent;
820 if (parent && GTK_IS_MENU_SHELL (parent) && GTK_MENU_SHELL (parent)->active)
822 gtk_menu_item_popup_submenu (data);
823 if (menu_item->timer_from_keypress && menu_item->submenu)
824 GTK_MENU_SHELL (menu_item->submenu)->ignore_enter = TRUE;
827 GDK_THREADS_LEAVE ();
833 gtk_menu_item_popup_submenu (gpointer data)
835 GtkMenuItem *menu_item;
837 menu_item = GTK_MENU_ITEM (data);
838 menu_item->timer = 0;
840 if (GTK_WIDGET_IS_SENSITIVE (menu_item->submenu))
842 gtk_menu_popup (GTK_MENU (menu_item->submenu),
843 GTK_WIDGET (menu_item)->parent,
844 GTK_WIDGET (menu_item),
845 gtk_menu_item_position_menu,
847 GTK_MENU_SHELL (GTK_WIDGET (menu_item)->parent)->button,
853 gtk_menu_item_position_menu (GtkMenu *menu,
859 GtkMenuItem *menu_item;
861 GtkWidget *parent_menu_item;
864 gint twidth, theight;
867 g_return_if_fail (menu != NULL);
868 g_return_if_fail (x != NULL);
869 g_return_if_fail (y != NULL);
871 menu_item = GTK_MENU_ITEM (user_data);
872 widget = GTK_WIDGET (user_data);
874 twidth = GTK_WIDGET (menu)->requisition.width;
875 theight = GTK_WIDGET (menu)->requisition.height;
877 screen_width = gdk_screen_width ();
878 screen_height = gdk_screen_height ();
880 if (!gdk_window_get_origin (widget->window, &tx, &ty))
882 g_warning ("Menu not on screen");
886 tx += widget->allocation.x;
887 ty += widget->allocation.y;
889 switch (menu_item->submenu_placement)
892 if ((ty + widget->allocation.height + theight) <= screen_height)
893 ty += widget->allocation.height;
894 else if ((ty - theight) >= 0)
896 else if (screen_height - (ty + widget->allocation.height) > ty)
897 ty += widget->allocation.height;
903 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
904 parent_menu_item = GTK_MENU (widget->parent)->parent_menu_item;
905 if (parent_menu_item)
906 menu_item->submenu_direction = GTK_MENU_ITEM (parent_menu_item)->submenu_direction;
908 switch (menu_item->submenu_direction)
910 case GTK_DIRECTION_LEFT:
911 if ((tx - twidth) >= 0)
915 menu_item->submenu_direction = GTK_DIRECTION_RIGHT;
916 tx += widget->allocation.width - 5;
920 case GTK_DIRECTION_RIGHT:
921 if ((tx + widget->allocation.width + twidth - 5) <= screen_width)
922 tx += widget->allocation.width - 5;
925 menu_item->submenu_direction = GTK_DIRECTION_LEFT;
931 ty += widget->allocation.height / 4;
933 /* If the height of the menu doesn't fit we move it upward. */
934 ty = CLAMP (ty, 0, MAX (0, screen_height - theight));
938 /* If we have negative, tx, here it is because we can't get
939 * the menu all the way on screen. Favor the left portion.
941 *x = CLAMP (tx, 0, MAX (0, screen_width - twidth));
946 * gtk_menu_item_set_right_justified:
947 * @menu_item: a #GtkMenuItem.
948 * @right_justified: if %TRUE the menu item will appear at the
949 * far right if added to a menu bar.
951 * Sets whether the menu item appears justified at the right
952 * side of a menu bar. This was traditionally done for "Help" menu
953 * items, but is now considered a bad idea. (If the widget
954 * layout is reversed for a right-to-left language like Hebrew
955 * or Arabic, right-justified-menu-items appear at the left.)
958 gtk_menu_item_set_right_justified (GtkMenuItem *menu_item,
959 gboolean right_justified)
961 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
963 right_justified = right_justified != FALSE;
965 if (right_justified != menu_item->right_justify)
967 menu_item->right_justify = right_justified;
968 gtk_widget_queue_resize (GTK_WIDGET (menu_item));
973 * gtk_menu_item_get_right_justified:
974 * @menu_item: a #GtkMenuItem
976 * Gets whether the menu item appears justified at the right
977 * side of the menu bar.
979 * Return value: %TRUE if the menu item will appear at the
980 * far right if added to a menu bar.
983 gtk_menu_item_get_right_justified (GtkMenuItem *menu_item)
985 g_return_val_if_fail (GTK_IS_MENU_ITEM (menu_item), FALSE);
987 return menu_item->right_justify;
992 gtk_menu_item_show_all (GtkWidget *widget)
994 GtkMenuItem *menu_item;
996 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
998 menu_item = GTK_MENU_ITEM (widget);
1000 /* show children including submenu */
1001 if (menu_item->submenu)
1002 gtk_widget_show_all (menu_item->submenu);
1003 gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_show_all, NULL);
1005 gtk_widget_show (widget);
1009 gtk_menu_item_hide_all (GtkWidget *widget)
1011 GtkMenuItem *menu_item;
1013 g_return_if_fail (GTK_IS_MENU_ITEM (widget));
1015 gtk_widget_hide (widget);
1017 menu_item = GTK_MENU_ITEM (widget);
1019 /* hide children including submenu */
1020 gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_hide_all, NULL);
1021 if (menu_item->submenu)
1022 gtk_widget_hide_all (menu_item->submenu);
1026 gtk_menu_item_accel_name_foreach (GtkWidget *widget,
1029 const gchar **path_p = data;
1033 if (GTK_IS_LABEL (widget))
1035 *path_p = gtk_label_get_text (GTK_LABEL (widget));
1036 if (*path_p && (*path_p)[0] == 0)
1039 else if (GTK_IS_CONTAINER (widget))
1040 gtk_container_foreach (GTK_CONTAINER (widget),
1041 gtk_menu_item_accel_name_foreach,
1047 gtk_menu_item_parent_set (GtkWidget *widget,
1048 GtkWidget *previous_parent)
1050 GtkMenuItem *menu_item = GTK_MENU_ITEM (widget);
1051 GtkMenu *menu = GTK_IS_MENU (widget->parent) ? GTK_MENU (widget->parent) : NULL;
1054 _gtk_menu_item_refresh_accel_path (menu_item,
1059 if (GTK_WIDGET_CLASS (parent_class)->parent_set)
1060 GTK_WIDGET_CLASS (parent_class)->parent_set (widget, previous_parent);
1064 _gtk_menu_item_refresh_accel_path (GtkMenuItem *menu_item,
1065 const gchar *prefix,
1066 GtkAccelGroup *accel_group,
1067 gboolean group_changed)
1072 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1073 g_return_if_fail (!accel_group || GTK_IS_ACCEL_GROUP (accel_group));
1075 widget = GTK_WIDGET (menu_item);
1079 gtk_widget_set_accel_path (widget, NULL, NULL);
1083 path = _gtk_widget_get_accel_path (widget);
1084 if (!path) /* no active accel_path yet */
1086 path = menu_item->accel_path;
1087 if (!path && prefix)
1089 gchar *postfix = NULL;
1091 /* try to construct one from label text */
1092 gtk_container_foreach (GTK_CONTAINER (menu_item),
1093 gtk_menu_item_accel_name_foreach,
1095 menu_item->accel_path = postfix ? g_strconcat (prefix, "/", postfix, NULL) : NULL;
1096 path = menu_item->accel_path;
1099 gtk_widget_set_accel_path (widget, path, accel_group);
1101 else if (group_changed) /* reinstall accelerators */
1102 gtk_widget_set_accel_path (widget, path, accel_group);
1106 * gtk_menu_item_set_accel_path
1107 * @menu_item: a valid #GtkMenuItem
1108 * @accel_path: accelerator path, corresponding to this menu item's functionality
1110 * Set the accelerator path on @menu_item, through which runtime changes of the
1111 * menu item's accelerator caused by the user can be identified and saved to
1112 * persistant storage (see gtk_accel_map_save() on this).
1113 * To setup a default accelerator for this menu item, call
1114 * gtk_accel_map_add_entry() with the same @accel_path.
1115 * See also gtk_accel_map_add_entry() on the specifics of accelerator paths,
1116 * and gtk_menu_set_accel_path() for a more convenient variant of this function.
1118 * This function is basically a convenience wrapper that handles calling
1119 * gtk_widget_set_accel_path() with the appropriate accelerator group for
1123 gtk_menu_item_set_accel_path (GtkMenuItem *menu_item,
1124 const gchar *accel_path)
1128 g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
1129 g_return_if_fail (accel_path && accel_path[0] == '<' && strchr (accel_path, '/'));
1131 widget = GTK_WIDGET (menu_item);
1133 /* store new path */
1134 g_free (menu_item->accel_path);
1135 menu_item->accel_path = g_strdup (accel_path);
1137 /* forget accelerators associated with old path */
1138 gtk_widget_set_accel_path (widget, NULL, NULL);
1140 /* install accelerators associated with new path */
1141 if (widget->parent && GTK_IS_MENU (widget->parent))
1143 GtkMenu *menu = GTK_MENU (widget->parent);
1145 if (menu->accel_group)
1146 _gtk_menu_item_refresh_accel_path (GTK_MENU_ITEM (widget),
1154 gtk_menu_item_forall (GtkContainer *container,
1155 gboolean include_internals,
1156 GtkCallback callback,
1157 gpointer callback_data)
1160 GtkMenuItem *menu_item;
1162 g_return_if_fail (GTK_IS_MENU_ITEM (container));
1163 g_return_if_fail (callback != NULL);
1165 bin = GTK_BIN (container);
1166 menu_item = GTK_MENU_ITEM (container);
1169 callback (bin->child, callback_data);
1173 _gtk_menu_item_is_selectable (GtkWidget *menu_item)
1175 if ((!GTK_BIN (menu_item)->child &&
1176 G_OBJECT_TYPE (menu_item) == GTK_TYPE_MENU_ITEM) ||
1177 GTK_IS_SEPARATOR_MENU_ITEM (menu_item) ||
1178 !GTK_WIDGET_IS_SENSITIVE (menu_item) ||
1179 !GTK_WIDGET_VISIBLE (menu_item))