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/.
29 #include "gtkmenubar.h"
31 #include "gdk/gdkkeysyms.h"
32 #include "gtkbindings.h"
34 #include "gtkmarshalers.h"
35 #include "gtkmenuitemprivate.h"
36 #include "gtkmenuprivate.h"
37 #include "gtkmenushellprivate.h"
38 #include "gtksettings.h"
39 #include "gtksizerequest.h"
40 #include "gtkwindow.h"
43 #include "gtkprivate.h"
45 #define BORDER_SPACING 0
46 #define DEFAULT_IPADDING 1
52 PROP_CHILD_PACK_DIRECTION
55 struct _GtkMenuBarPrivate
57 GtkPackDirection pack_direction;
58 GtkPackDirection child_pack_direction;
62 static void gtk_menu_bar_set_property (GObject *object,
66 static void gtk_menu_bar_get_property (GObject *object,
70 static void gtk_menu_bar_size_request (GtkWidget *widget,
71 GtkRequisition *requisition);
72 static void gtk_menu_bar_get_preferred_width (GtkWidget *widget,
75 static void gtk_menu_bar_get_preferred_height (GtkWidget *widget,
78 static void gtk_menu_bar_size_allocate (GtkWidget *widget,
79 GtkAllocation *allocation);
80 static gint gtk_menu_bar_draw (GtkWidget *widget,
82 static void gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
83 GtkWidget *old_toplevel);
84 static gint gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell);
85 static void gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
86 GtkMenuDirectionType direction);
88 static GtkShadowType get_shadow_type (GtkMenuBar *menubar);
90 G_DEFINE_TYPE (GtkMenuBar, gtk_menu_bar, GTK_TYPE_MENU_SHELL)
93 gtk_menu_bar_class_init (GtkMenuBarClass *class)
95 GObjectClass *gobject_class;
96 GtkWidgetClass *widget_class;
97 GtkMenuShellClass *menu_shell_class;
99 GtkBindingSet *binding_set;
101 gobject_class = (GObjectClass*) class;
102 widget_class = (GtkWidgetClass*) class;
103 menu_shell_class = (GtkMenuShellClass*) class;
105 gobject_class->get_property = gtk_menu_bar_get_property;
106 gobject_class->set_property = gtk_menu_bar_set_property;
108 widget_class->get_preferred_width = gtk_menu_bar_get_preferred_width;
109 widget_class->get_preferred_height = gtk_menu_bar_get_preferred_height;
110 widget_class->size_allocate = gtk_menu_bar_size_allocate;
111 widget_class->draw = gtk_menu_bar_draw;
112 widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
114 menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
115 menu_shell_class->get_popup_delay = gtk_menu_bar_get_popup_delay;
116 menu_shell_class->move_current = gtk_menu_bar_move_current;
118 binding_set = gtk_binding_set_by_class (class);
119 gtk_binding_entry_add_signal (binding_set,
122 GTK_TYPE_MENU_DIRECTION_TYPE,
124 gtk_binding_entry_add_signal (binding_set,
127 GTK_TYPE_MENU_DIRECTION_TYPE,
129 gtk_binding_entry_add_signal (binding_set,
132 GTK_TYPE_MENU_DIRECTION_TYPE,
134 gtk_binding_entry_add_signal (binding_set,
137 GTK_TYPE_MENU_DIRECTION_TYPE,
139 gtk_binding_entry_add_signal (binding_set,
142 GTK_TYPE_MENU_DIRECTION_TYPE,
143 GTK_MENU_DIR_PARENT);
144 gtk_binding_entry_add_signal (binding_set,
147 GTK_TYPE_MENU_DIRECTION_TYPE,
148 GTK_MENU_DIR_PARENT);
149 gtk_binding_entry_add_signal (binding_set,
152 GTK_TYPE_MENU_DIRECTION_TYPE,
154 gtk_binding_entry_add_signal (binding_set,
157 GTK_TYPE_MENU_DIRECTION_TYPE,
161 * GtkMenuBar:pack-direction:
163 * The pack direction of the menubar. It determines how
164 * menuitems are arranged in the menubar.
168 g_object_class_install_property (gobject_class,
170 g_param_spec_enum ("pack-direction",
171 P_("Pack direction"),
172 P_("The pack direction of the menubar"),
173 GTK_TYPE_PACK_DIRECTION,
174 GTK_PACK_DIRECTION_LTR,
175 GTK_PARAM_READWRITE));
178 * GtkMenuBar:child-pack-direction:
180 * The child pack direction of the menubar. It determines how
181 * the widgets contained in child menuitems are arranged.
185 g_object_class_install_property (gobject_class,
186 PROP_CHILD_PACK_DIRECTION,
187 g_param_spec_enum ("child-pack-direction",
188 P_("Child Pack direction"),
189 P_("The child pack direction of the menubar"),
190 GTK_TYPE_PACK_DIRECTION,
191 GTK_PACK_DIRECTION_LTR,
192 GTK_PARAM_READWRITE));
195 gtk_widget_class_install_style_property (widget_class,
196 g_param_spec_enum ("shadow-type",
198 P_("Style of bevel around the menubar"),
199 GTK_TYPE_SHADOW_TYPE,
201 GTK_PARAM_READABLE));
203 gtk_widget_class_install_style_property (widget_class,
204 g_param_spec_int ("internal-padding",
205 P_("Internal padding"),
206 P_("Amount of border space between the menubar shadow and the menu items"),
210 GTK_PARAM_READABLE));
212 g_type_class_add_private (gobject_class, sizeof (GtkMenuBarPrivate));
216 gtk_menu_bar_init (GtkMenuBar *menu_bar)
218 GtkStyleContext *context;
220 menu_bar->priv = G_TYPE_INSTANCE_GET_PRIVATE (menu_bar,
224 context = gtk_widget_get_style_context (GTK_WIDGET (menu_bar));
225 gtk_style_context_add_class (context, GTK_STYLE_CLASS_MENUBAR);
229 gtk_menu_bar_new (void)
231 return g_object_new (GTK_TYPE_MENU_BAR, NULL);
235 gtk_menu_bar_set_property (GObject *object,
240 GtkMenuBar *menubar = GTK_MENU_BAR (object);
244 case PROP_PACK_DIRECTION:
245 gtk_menu_bar_set_pack_direction (menubar, g_value_get_enum (value));
247 case PROP_CHILD_PACK_DIRECTION:
248 gtk_menu_bar_set_child_pack_direction (menubar, g_value_get_enum (value));
251 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
257 gtk_menu_bar_get_property (GObject *object,
262 GtkMenuBar *menubar = GTK_MENU_BAR (object);
266 case PROP_PACK_DIRECTION:
267 g_value_set_enum (value, gtk_menu_bar_get_pack_direction (menubar));
269 case PROP_CHILD_PACK_DIRECTION:
270 g_value_set_enum (value, gtk_menu_bar_get_child_pack_direction (menubar));
273 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
279 gtk_menu_bar_size_request (GtkWidget *widget,
280 GtkRequisition *requisition)
282 GtkMenuBar *menu_bar;
283 GtkMenuBarPrivate *priv;
284 GtkMenuShell *menu_shell;
288 GtkRequisition child_requisition;
292 g_return_if_fail (GTK_IS_MENU_BAR (widget));
293 g_return_if_fail (requisition != NULL);
295 requisition->width = 0;
296 requisition->height = 0;
298 if (gtk_widget_get_visible (widget))
300 menu_bar = GTK_MENU_BAR (widget);
301 menu_shell = GTK_MENU_SHELL (widget);
302 priv = menu_bar->priv;
305 children = menu_shell->priv->children;
309 child = children->data;
310 children = children->next;
312 if (gtk_widget_get_visible (child))
316 gtk_widget_get_preferred_size (child, &child_requisition, NULL);
317 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
320 if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
321 priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
322 child_requisition.width += toggle_size;
324 child_requisition.height += toggle_size;
326 if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
327 priv->pack_direction == GTK_PACK_DIRECTION_RTL)
329 requisition->width += child_requisition.width;
330 requisition->height = MAX (requisition->height, child_requisition.height);
334 requisition->width = MAX (requisition->width, child_requisition.width);
335 requisition->height += child_requisition.height;
341 gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
343 border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
344 requisition->width += (border_width +
347 requisition->height += (border_width +
351 if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
353 GtkStyleContext *context;
356 context = gtk_widget_get_style_context (widget);
358 gtk_style_context_get (context, 0,
359 "border-width", &border,
362 requisition->width += border->left + border->right;
363 requisition->height += border->top + border->bottom;
364 gtk_border_free (border);
370 gtk_menu_bar_get_preferred_width (GtkWidget *widget,
374 GtkRequisition requisition;
376 gtk_menu_bar_size_request (widget, &requisition);
378 *minimum = *natural = requisition.width;
382 gtk_menu_bar_get_preferred_height (GtkWidget *widget,
386 GtkRequisition requisition;
388 gtk_menu_bar_size_request (widget, &requisition);
390 *minimum = *natural = requisition.height;
394 gtk_menu_bar_size_allocate (GtkWidget *widget,
395 GtkAllocation *allocation)
397 GtkMenuBar *menu_bar;
398 GtkMenuShell *menu_shell;
399 GtkMenuBarPrivate *priv;
402 GtkAllocation child_allocation;
403 GtkRequisition child_requisition;
405 GtkTextDirection direction;
410 g_return_if_fail (GTK_IS_MENU_BAR (widget));
411 g_return_if_fail (allocation != NULL);
413 menu_bar = GTK_MENU_BAR (widget);
414 menu_shell = GTK_MENU_SHELL (widget);
415 priv = menu_bar->priv;
417 direction = gtk_widget_get_direction (widget);
419 gtk_widget_set_allocation (widget, allocation);
421 if (gtk_widget_get_realized (widget))
422 gdk_window_move_resize (gtk_widget_get_window (widget),
423 allocation->x, allocation->y,
424 allocation->width, allocation->height);
426 gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
428 if (menu_shell->priv->children)
430 border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
431 child_allocation.x = (border_width +
434 child_allocation.y = (border_width +
437 if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
439 GtkStyleContext *context;
442 context = gtk_widget_get_style_context (widget);
443 gtk_style_context_get (context, 0,
444 "border-width", &border,
447 child_allocation.x += border->left;
448 child_allocation.y += border->top;
450 gtk_border_free (border);
453 if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
454 priv->pack_direction == GTK_PACK_DIRECTION_RTL)
456 child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
458 offset = child_allocation.x; /* Window edge to menubar start */
459 ltr_x = child_allocation.x;
461 children = menu_shell->priv->children;
466 child = children->data;
467 children = children->next;
469 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
471 gtk_widget_get_preferred_size (child, &child_requisition, NULL);
473 if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
474 priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
475 child_requisition.width += toggle_size;
477 child_requisition.height += toggle_size;
479 /* Support for the right justified help menu */
480 if (children == NULL &&
481 GTK_IS_MENU_ITEM (child) &&
482 GTK_MENU_ITEM (child)->priv->right_justify)
484 ltr_x = allocation->width -
485 child_requisition.width - offset;
487 if (gtk_widget_get_visible (child))
489 if ((direction == GTK_TEXT_DIR_LTR) == (priv->pack_direction == GTK_PACK_DIRECTION_LTR))
490 child_allocation.x = ltr_x;
492 child_allocation.x = allocation->width -
493 child_requisition.width - ltr_x;
495 child_allocation.width = child_requisition.width;
497 gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
499 gtk_widget_size_allocate (child, &child_allocation);
501 ltr_x += child_allocation.width;
507 child_allocation.width = MAX (1, (gint)allocation->width - child_allocation.x * 2);
509 offset = child_allocation.y; /* Window edge to menubar start */
510 ltr_y = child_allocation.y;
512 children = menu_shell->priv->children;
517 child = children->data;
518 children = children->next;
520 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
522 gtk_widget_get_preferred_size (child, &child_requisition, NULL);
524 if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
525 priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
526 child_requisition.width += toggle_size;
528 child_requisition.height += toggle_size;
530 /* Support for the right justified help menu */
531 if (children == NULL &&
532 GTK_IS_MENU_ITEM (child) &&
533 GTK_MENU_ITEM (child)->priv->right_justify)
535 ltr_y = allocation->height -
536 child_requisition.height - offset;
538 if (gtk_widget_get_visible (child))
540 if ((direction == GTK_TEXT_DIR_LTR) ==
541 (priv->pack_direction == GTK_PACK_DIRECTION_TTB))
542 child_allocation.y = ltr_y;
544 child_allocation.y = allocation->height -
545 child_requisition.height - ltr_y;
546 child_allocation.height = child_requisition.height;
548 gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
550 gtk_widget_size_allocate (child, &child_allocation);
552 ltr_y += child_allocation.height;
560 gtk_menu_bar_draw (GtkWidget *widget,
563 GtkStyleContext *context;
567 border = gtk_container_get_border_width (GTK_CONTAINER (widget));
568 context = gtk_widget_get_style_context (widget);
570 state = gtk_widget_get_state_flags (widget);
571 gtk_style_context_set_state (context, state);
573 if (get_shadow_type (GTK_MENU_BAR (widget)) != GTK_SHADOW_NONE)
574 gtk_render_background (context, cr,
576 gtk_widget_get_allocated_width (widget) - border * 2,
577 gtk_widget_get_allocated_height (widget) - border * 2);
579 gtk_render_frame (context, cr,
581 gtk_widget_get_allocated_width (widget) - border * 2,
582 gtk_widget_get_allocated_height (widget) - border * 2);
584 GTK_WIDGET_CLASS (gtk_menu_bar_parent_class)->draw (widget, cr);
590 get_menu_bars (GtkWindow *window)
592 return g_object_get_data (G_OBJECT (window), "gtk-menu-bar-list");
596 get_viewable_menu_bars (GtkWindow *window)
599 GList *viewable_menu_bars = NULL;
601 for (menu_bars = get_menu_bars (window);
603 menu_bars = menu_bars->next)
605 GtkWidget *widget = menu_bars->data;
606 gboolean viewable = TRUE;
610 if (!gtk_widget_get_mapped (widget))
613 widget = gtk_widget_get_parent (widget);
617 viewable_menu_bars = g_list_prepend (viewable_menu_bars, menu_bars->data);
620 return g_list_reverse (viewable_menu_bars);
624 set_menu_bars (GtkWindow *window,
627 g_object_set_data (G_OBJECT (window), I_("gtk-menu-bar-list"), menubars);
631 window_key_press_handler (GtkWidget *widget,
636 gboolean retval = FALSE;
638 g_object_get (gtk_widget_get_settings (widget),
639 "gtk-menu-bar-accel", &accel,
645 GdkModifierType mods = 0;
647 gtk_accelerator_parse (accel, &keyval, &mods);
650 g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
652 /* FIXME this is wrong, needs to be in the global accel resolution
653 * thing, to properly consider i18n etc., but that probably requires
654 * AccelGroup changes etc.
656 if (event->keyval == keyval &&
657 ((event->state & gtk_accelerator_get_default_mod_mask ()) ==
658 (mods & gtk_accelerator_get_default_mod_mask ())))
660 GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (widget));
663 menubars = _gtk_container_focus_sort (GTK_CONTAINER (widget), tmp_menubars,
664 GTK_DIR_TAB_FORWARD, NULL);
665 g_list_free (tmp_menubars);
669 GtkMenuShell *menu_shell = GTK_MENU_SHELL (menubars->data);
671 _gtk_menu_shell_set_keyboard_mode (menu_shell, TRUE);
672 _gtk_menu_shell_activate (menu_shell);
673 gtk_menu_shell_select_first (menu_shell, FALSE);
675 g_list_free (menubars);
688 add_to_window (GtkWindow *window,
691 GList *menubars = get_menu_bars (window);
695 g_signal_connect (window,
697 G_CALLBACK (window_key_press_handler),
701 set_menu_bars (window, g_list_prepend (menubars, menubar));
705 remove_from_window (GtkWindow *window,
708 GList *menubars = get_menu_bars (window);
710 menubars = g_list_remove (menubars, menubar);
714 g_signal_handlers_disconnect_by_func (window,
715 window_key_press_handler,
719 set_menu_bars (window, menubars);
723 gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
724 GtkWidget *old_toplevel)
729 menubar = GTK_MENU_BAR (widget);
731 toplevel = gtk_widget_get_toplevel (widget);
734 remove_from_window (GTK_WINDOW (old_toplevel), menubar);
736 if (gtk_widget_is_toplevel (toplevel))
737 add_to_window (GTK_WINDOW (toplevel), menubar);
741 * _gtk_menu_bar_cycle_focus:
742 * @menubar: a #GtkMenuBar
743 * @dir: direction in which to cycle the focus
745 * Move the focus between menubars in the toplevel.
748 _gtk_menu_bar_cycle_focus (GtkMenuBar *menubar,
749 GtkDirectionType dir)
751 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menubar));
752 GtkMenuItem *to_activate = NULL;
754 if (gtk_widget_is_toplevel (toplevel))
756 GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (toplevel));
760 menubars = _gtk_container_focus_sort (GTK_CONTAINER (toplevel), tmp_menubars,
761 dir, GTK_WIDGET (menubar));
762 g_list_free (tmp_menubars);
766 current = g_list_find (menubars, menubar);
768 if (current && current->next)
770 GtkMenuShell *new_menushell = GTK_MENU_SHELL (current->next->data);
771 if (new_menushell->priv->children)
772 to_activate = new_menushell->priv->children->data;
776 g_list_free (menubars);
779 gtk_menu_shell_cancel (GTK_MENU_SHELL (menubar));
782 g_signal_emit_by_name (to_activate, "activate_item");
786 get_shadow_type (GtkMenuBar *menubar)
788 GtkShadowType shadow_type = GTK_SHADOW_OUT;
790 gtk_widget_style_get (GTK_WIDGET (menubar),
791 "shadow-type", &shadow_type,
798 gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell)
802 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
803 "gtk-menu-bar-popup-delay", &popup_delay,
810 gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
811 GtkMenuDirectionType direction)
813 GtkMenuBar *menubar = GTK_MENU_BAR (menu_shell);
814 GtkTextDirection text_dir;
815 GtkPackDirection pack_dir;
817 text_dir = gtk_widget_get_direction (GTK_WIDGET (menubar));
818 pack_dir = gtk_menu_bar_get_pack_direction (menubar);
820 if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
822 if ((text_dir == GTK_TEXT_DIR_RTL) == (pack_dir == GTK_PACK_DIRECTION_LTR))
826 case GTK_MENU_DIR_PREV:
827 direction = GTK_MENU_DIR_NEXT;
829 case GTK_MENU_DIR_NEXT:
830 direction = GTK_MENU_DIR_PREV;
840 case GTK_MENU_DIR_PARENT:
841 if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
842 direction = GTK_MENU_DIR_PREV;
844 direction = GTK_MENU_DIR_NEXT;
846 case GTK_MENU_DIR_CHILD:
847 if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
848 direction = GTK_MENU_DIR_NEXT;
850 direction = GTK_MENU_DIR_PREV;
852 case GTK_MENU_DIR_PREV:
853 if (text_dir == GTK_TEXT_DIR_RTL)
854 direction = GTK_MENU_DIR_CHILD;
856 direction = GTK_MENU_DIR_PARENT;
858 case GTK_MENU_DIR_NEXT:
859 if (text_dir == GTK_TEXT_DIR_RTL)
860 direction = GTK_MENU_DIR_PARENT;
862 direction = GTK_MENU_DIR_CHILD;
868 GTK_MENU_SHELL_CLASS (gtk_menu_bar_parent_class)->move_current (menu_shell, direction);
872 * gtk_menu_bar_get_pack_direction:
873 * @menubar: a #GtkMenuBar
875 * Retrieves the current pack direction of the menubar.
876 * See gtk_menu_bar_set_pack_direction().
878 * Return value: the pack direction
883 gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar)
885 g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
886 GTK_PACK_DIRECTION_LTR);
888 return menubar->priv->pack_direction;
892 * gtk_menu_bar_set_pack_direction:
893 * @menubar: a #GtkMenuBar
894 * @pack_dir: a new #GtkPackDirection
896 * Sets how items should be packed inside a menubar.
901 gtk_menu_bar_set_pack_direction (GtkMenuBar *menubar,
902 GtkPackDirection pack_dir)
904 GtkMenuBarPrivate *priv;
907 g_return_if_fail (GTK_IS_MENU_BAR (menubar));
909 priv = menubar->priv;
911 if (priv->pack_direction != pack_dir)
913 priv->pack_direction = pack_dir;
915 gtk_widget_queue_resize (GTK_WIDGET (menubar));
917 for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
918 gtk_widget_queue_resize (GTK_WIDGET (l->data));
920 g_object_notify (G_OBJECT (menubar), "pack-direction");
925 * gtk_menu_bar_get_child_pack_direction:
926 * @menubar: a #GtkMenuBar
928 * Retrieves the current child pack direction of the menubar.
929 * See gtk_menu_bar_set_child_pack_direction().
931 * Return value: the child pack direction
936 gtk_menu_bar_get_child_pack_direction (GtkMenuBar *menubar)
938 g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
939 GTK_PACK_DIRECTION_LTR);
941 return menubar->priv->child_pack_direction;
945 * gtk_menu_bar_set_child_pack_direction:
946 * @menubar: a #GtkMenuBar
947 * @child_pack_dir: a new #GtkPackDirection
949 * Sets how widgets should be packed inside the children of a menubar.
954 gtk_menu_bar_set_child_pack_direction (GtkMenuBar *menubar,
955 GtkPackDirection child_pack_dir)
957 GtkMenuBarPrivate *priv;
960 g_return_if_fail (GTK_IS_MENU_BAR (menubar));
962 priv = menubar->priv;
964 if (priv->child_pack_direction != child_pack_dir)
966 priv->child_pack_direction = child_pack_dir;
968 gtk_widget_queue_resize (GTK_WIDGET (menubar));
970 for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
971 gtk_widget_queue_resize (GTK_WIDGET (l->data));
973 g_object_notify (G_OBJECT (menubar), "child-pack-direction");