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/.
30 * @Short_description: A subclass of GtkMenuShell which holds GtkMenuItem widgets
31 * @See_also: #GtkMenuShell, #GtkMenu, #GtkMenuItem
33 * The #GtkMenuBar is a subclass of #GtkMenuShell which contains one or
34 * more #GtkMenuItems. The result is a standard menu bar which can hold
40 #include "gtkmenubar.h"
42 #include "gtkbindings.h"
44 #include "gtkmarshalers.h"
45 #include "gtkmenuitemprivate.h"
46 #include "gtkmenuprivate.h"
47 #include "gtkmenushellprivate.h"
48 #include "gtksettings.h"
49 #include "gtksizerequest.h"
50 #include "gtkwindow.h"
51 #include "gtkcontainerprivate.h"
53 #include "gtkprivate.h"
54 #include "gtktypebuiltins.h"
56 #define BORDER_SPACING 0
57 #define DEFAULT_IPADDING 1
63 PROP_CHILD_PACK_DIRECTION
66 struct _GtkMenuBarPrivate
68 GtkPackDirection pack_direction;
69 GtkPackDirection child_pack_direction;
73 static void gtk_menu_bar_set_property (GObject *object,
77 static void gtk_menu_bar_get_property (GObject *object,
81 static void gtk_menu_bar_get_preferred_width (GtkWidget *widget,
84 static void gtk_menu_bar_get_preferred_height (GtkWidget *widget,
87 static void gtk_menu_bar_get_preferred_width_for_height (GtkWidget *widget,
91 static void gtk_menu_bar_get_preferred_height_for_width (GtkWidget *widget,
95 static void gtk_menu_bar_size_allocate (GtkWidget *widget,
96 GtkAllocation *allocation);
97 static gint gtk_menu_bar_draw (GtkWidget *widget,
99 static void gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
100 GtkWidget *old_toplevel);
101 static gint gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell);
102 static void gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
103 GtkMenuDirectionType direction);
105 static GtkShadowType get_shadow_type (GtkMenuBar *menubar);
107 G_DEFINE_TYPE (GtkMenuBar, gtk_menu_bar, GTK_TYPE_MENU_SHELL)
110 gtk_menu_bar_class_init (GtkMenuBarClass *class)
112 GObjectClass *gobject_class;
113 GtkWidgetClass *widget_class;
114 GtkMenuShellClass *menu_shell_class;
116 GtkBindingSet *binding_set;
118 gobject_class = (GObjectClass*) class;
119 widget_class = (GtkWidgetClass*) class;
120 menu_shell_class = (GtkMenuShellClass*) class;
122 gobject_class->get_property = gtk_menu_bar_get_property;
123 gobject_class->set_property = gtk_menu_bar_set_property;
125 widget_class->get_preferred_width = gtk_menu_bar_get_preferred_width;
126 widget_class->get_preferred_height = gtk_menu_bar_get_preferred_height;
127 widget_class->get_preferred_width_for_height = gtk_menu_bar_get_preferred_width_for_height;
128 widget_class->get_preferred_height_for_width = gtk_menu_bar_get_preferred_height_for_width;
129 widget_class->size_allocate = gtk_menu_bar_size_allocate;
130 widget_class->draw = gtk_menu_bar_draw;
131 widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
133 gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_MENU_BAR);
135 menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
136 menu_shell_class->get_popup_delay = gtk_menu_bar_get_popup_delay;
137 menu_shell_class->move_current = gtk_menu_bar_move_current;
139 binding_set = gtk_binding_set_by_class (class);
140 gtk_binding_entry_add_signal (binding_set,
143 GTK_TYPE_MENU_DIRECTION_TYPE,
145 gtk_binding_entry_add_signal (binding_set,
148 GTK_TYPE_MENU_DIRECTION_TYPE,
150 gtk_binding_entry_add_signal (binding_set,
153 GTK_TYPE_MENU_DIRECTION_TYPE,
155 gtk_binding_entry_add_signal (binding_set,
158 GTK_TYPE_MENU_DIRECTION_TYPE,
160 gtk_binding_entry_add_signal (binding_set,
163 GTK_TYPE_MENU_DIRECTION_TYPE,
164 GTK_MENU_DIR_PARENT);
165 gtk_binding_entry_add_signal (binding_set,
168 GTK_TYPE_MENU_DIRECTION_TYPE,
169 GTK_MENU_DIR_PARENT);
170 gtk_binding_entry_add_signal (binding_set,
173 GTK_TYPE_MENU_DIRECTION_TYPE,
175 gtk_binding_entry_add_signal (binding_set,
178 GTK_TYPE_MENU_DIRECTION_TYPE,
182 * GtkMenuBar:pack-direction:
184 * The pack direction of the menubar. It determines how
185 * menuitems are arranged in the menubar.
189 g_object_class_install_property (gobject_class,
191 g_param_spec_enum ("pack-direction",
192 P_("Pack direction"),
193 P_("The pack direction of the menubar"),
194 GTK_TYPE_PACK_DIRECTION,
195 GTK_PACK_DIRECTION_LTR,
196 GTK_PARAM_READWRITE));
199 * GtkMenuBar:child-pack-direction:
201 * The child pack direction of the menubar. It determines how
202 * the widgets contained in child menuitems are arranged.
206 g_object_class_install_property (gobject_class,
207 PROP_CHILD_PACK_DIRECTION,
208 g_param_spec_enum ("child-pack-direction",
209 P_("Child Pack direction"),
210 P_("The child pack direction of the menubar"),
211 GTK_TYPE_PACK_DIRECTION,
212 GTK_PACK_DIRECTION_LTR,
213 GTK_PARAM_READWRITE));
216 gtk_widget_class_install_style_property (widget_class,
217 g_param_spec_enum ("shadow-type",
219 P_("Style of bevel around the menubar"),
220 GTK_TYPE_SHADOW_TYPE,
222 GTK_PARAM_READABLE));
224 gtk_widget_class_install_style_property (widget_class,
225 g_param_spec_int ("internal-padding",
226 P_("Internal padding"),
227 P_("Amount of border space between the menubar shadow and the menu items"),
231 GTK_PARAM_READABLE));
233 g_type_class_add_private (gobject_class, sizeof (GtkMenuBarPrivate));
237 gtk_menu_bar_init (GtkMenuBar *menu_bar)
239 GtkStyleContext *context;
241 menu_bar->priv = G_TYPE_INSTANCE_GET_PRIVATE (menu_bar,
245 context = gtk_widget_get_style_context (GTK_WIDGET (menu_bar));
246 gtk_style_context_add_class (context, GTK_STYLE_CLASS_MENUBAR);
252 * Creates a new #GtkMenuBar
254 * Returns: the new menu bar, as a #GtkWidget
257 gtk_menu_bar_new (void)
259 return g_object_new (GTK_TYPE_MENU_BAR, NULL);
263 gtk_menu_bar_set_property (GObject *object,
268 GtkMenuBar *menubar = GTK_MENU_BAR (object);
272 case PROP_PACK_DIRECTION:
273 gtk_menu_bar_set_pack_direction (menubar, g_value_get_enum (value));
275 case PROP_CHILD_PACK_DIRECTION:
276 gtk_menu_bar_set_child_pack_direction (menubar, g_value_get_enum (value));
279 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
285 gtk_menu_bar_get_property (GObject *object,
290 GtkMenuBar *menubar = GTK_MENU_BAR (object);
294 case PROP_PACK_DIRECTION:
295 g_value_set_enum (value, gtk_menu_bar_get_pack_direction (menubar));
297 case PROP_CHILD_PACK_DIRECTION:
298 g_value_set_enum (value, gtk_menu_bar_get_child_pack_direction (menubar));
301 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
307 get_preferred_size_for_size (GtkWidget *widget,
308 GtkOrientation orientation,
313 if (orientation == GTK_ORIENTATION_HORIZONTAL)
315 gtk_widget_get_preferred_width (widget, minimum, natural);
317 gtk_widget_get_preferred_width_for_height (widget, size, minimum, natural);
320 gtk_widget_get_preferred_height (widget, minimum, natural);
322 gtk_widget_get_preferred_height_for_width (widget, size, minimum, natural);
326 gtk_menu_bar_size_request (GtkWidget *widget,
327 GtkOrientation orientation,
332 GtkMenuBar *menu_bar;
333 GtkMenuBarPrivate *priv;
334 GtkMenuShell *menu_shell;
339 gboolean use_toggle_size, use_maximize;
340 gint child_minimum, child_natural;
345 menu_bar = GTK_MENU_BAR (widget);
346 menu_shell = GTK_MENU_SHELL (widget);
347 priv = menu_bar->priv;
349 children = menu_shell->priv->children;
351 if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
352 priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
353 use_toggle_size = (orientation == GTK_ORIENTATION_HORIZONTAL);
355 use_toggle_size = (orientation == GTK_ORIENTATION_VERTICAL);
357 if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
358 priv->pack_direction == GTK_PACK_DIRECTION_RTL)
359 use_maximize = (orientation == GTK_ORIENTATION_VERTICAL);
361 use_maximize = (orientation == GTK_ORIENTATION_HORIZONTAL);
365 child = children->data;
366 children = children->next;
368 if (gtk_widget_get_visible (child))
370 get_preferred_size_for_size (child, orientation, size, &child_minimum, &child_natural);
376 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
379 child_minimum += toggle_size;
380 child_natural += toggle_size;
385 *minimum = MAX (*minimum, child_minimum);
386 *natural = MAX (*natural, child_natural);
390 *minimum += child_minimum;
391 *natural += child_natural;
396 gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
397 border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
398 *minimum += (border_width + ipadding + BORDER_SPACING) * 2;
399 *natural += (border_width + ipadding + BORDER_SPACING) * 2;
401 if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
403 GtkStyleContext *context;
406 context = gtk_widget_get_style_context (widget);
407 gtk_style_context_get_border (context, gtk_widget_get_state_flags (widget),
410 if (orientation == GTK_ORIENTATION_HORIZONTAL)
412 *minimum += border.left + border.right;
413 *natural += border.left + border.right;
417 *minimum += border.top + border.bottom;
418 *natural += border.top + border.bottom;
424 gtk_menu_bar_get_preferred_width (GtkWidget *widget,
428 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_HORIZONTAL, -1, minimum, natural);
432 gtk_menu_bar_get_preferred_height (GtkWidget *widget,
436 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_VERTICAL, -1, minimum, natural);
440 gtk_menu_bar_get_preferred_width_for_height (GtkWidget *widget,
445 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_HORIZONTAL, height, minimum, natural);
449 gtk_menu_bar_get_preferred_height_for_width (GtkWidget *widget,
454 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_VERTICAL, width, minimum, natural);
458 gtk_menu_bar_size_allocate (GtkWidget *widget,
459 GtkAllocation *allocation)
461 GtkMenuBar *menu_bar;
462 GtkMenuShell *menu_shell;
463 GtkMenuBarPrivate *priv;
466 GtkAllocation remaining_space;
469 GArray *requested_sizes;
473 g_return_if_fail (GTK_IS_MENU_BAR (widget));
474 g_return_if_fail (allocation != NULL);
476 menu_bar = GTK_MENU_BAR (widget);
477 menu_shell = GTK_MENU_SHELL (widget);
478 priv = menu_bar->priv;
480 gtk_widget_set_allocation (widget, allocation);
482 if (gtk_widget_get_realized (widget))
483 gdk_window_move_resize (gtk_widget_get_window (widget),
484 allocation->x, allocation->y,
485 allocation->width, allocation->height);
487 if (menu_shell->priv->children)
489 gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
491 border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
492 remaining_space.x = (border_width +
495 remaining_space.y = (border_width +
498 remaining_space.width = allocation->width -
499 2 * (border_width + ipadding + BORDER_SPACING);
500 remaining_space.height = allocation->height -
501 2 * (border_width + ipadding + BORDER_SPACING);
503 if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
505 GtkStyleContext *context;
508 context = gtk_widget_get_style_context (widget);
509 gtk_style_context_get_border (context, gtk_widget_get_state_flags (widget),
512 remaining_space.x += border.left;
513 remaining_space.y += border.top;
514 remaining_space.width -= border.left + border.right;
515 remaining_space.height -= border.top + border.bottom;
518 requested_sizes = g_array_new (FALSE, FALSE, sizeof (GtkRequestedSize));
520 if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
521 priv->pack_direction == GTK_PACK_DIRECTION_RTL)
523 int size = remaining_space.width;
524 gboolean ltr = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) == (priv->pack_direction == GTK_PACK_DIRECTION_LTR);
526 for (children = menu_shell->priv->children; children; children = children->next)
528 GtkRequestedSize request;
529 child = children->data;
531 if (!gtk_widget_get_visible (child))
534 request.data = child;
535 gtk_widget_get_preferred_width_for_height (child,
536 remaining_space.height,
537 &request.minimum_size,
538 &request.natural_size);
539 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
541 request.minimum_size += toggle_size;
542 request.natural_size += toggle_size;
544 gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child), toggle_size);
546 g_array_append_val (requested_sizes, request);
548 size -= request.minimum_size;
551 size = gtk_distribute_natural_allocation (size,
552 requested_sizes->len,
553 (GtkRequestedSize *) requested_sizes->data);
555 for (i = 0; i < requested_sizes->len; i++)
557 GtkAllocation child_allocation = remaining_space;
558 GtkRequestedSize *request = &g_array_index (requested_sizes, GtkRequestedSize, i);
560 child_allocation.width = request->minimum_size;
561 remaining_space.width -= request->minimum_size;
563 if (i + 1 == requested_sizes->len && GTK_IS_MENU_ITEM (request->data) &&
564 GTK_MENU_ITEM (request->data)->priv->right_justify)
568 remaining_space.x += request->minimum_size;
570 child_allocation.x += remaining_space.width;
572 gtk_widget_size_allocate (request->data, &child_allocation);
577 int size = remaining_space.height;
578 gboolean ttb = (priv->pack_direction == GTK_PACK_DIRECTION_TTB);
580 for (children = menu_shell->priv->children; children; children = children->next)
582 GtkRequestedSize request;
583 child = children->data;
585 if (!gtk_widget_get_visible (child))
588 request.data = child;
589 gtk_widget_get_preferred_height_for_width (child,
590 remaining_space.width,
591 &request.minimum_size,
592 &request.natural_size);
593 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
595 request.minimum_size += toggle_size;
596 request.natural_size += toggle_size;
598 gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child), toggle_size);
600 g_array_append_val (requested_sizes, request);
602 size -= request.minimum_size;
605 size = gtk_distribute_natural_allocation (size,
606 requested_sizes->len,
607 (GtkRequestedSize *) requested_sizes->data);
609 for (i = 0; i < requested_sizes->len; i++)
611 GtkAllocation child_allocation = remaining_space;
612 GtkRequestedSize *request = &g_array_index (requested_sizes, GtkRequestedSize, i);
614 child_allocation.height = request->minimum_size;
615 remaining_space.height -= request->minimum_size;
617 if (i + 1 == requested_sizes->len && GTK_IS_MENU_ITEM (request->data) &&
618 GTK_MENU_ITEM (request->data)->priv->right_justify)
622 remaining_space.y += request->minimum_size;
624 child_allocation.y += remaining_space.height;
626 gtk_widget_size_allocate (request->data, &child_allocation);
630 g_array_free (requested_sizes, TRUE);
635 gtk_menu_bar_draw (GtkWidget *widget,
638 GtkStyleContext *context;
642 border = gtk_container_get_border_width (GTK_CONTAINER (widget));
643 context = gtk_widget_get_style_context (widget);
645 state = gtk_widget_get_state_flags (widget);
646 gtk_style_context_set_state (context, state);
648 if (get_shadow_type (GTK_MENU_BAR (widget)) != GTK_SHADOW_NONE)
649 gtk_render_background (context, cr,
651 gtk_widget_get_allocated_width (widget) - border * 2,
652 gtk_widget_get_allocated_height (widget) - border * 2);
654 gtk_render_frame (context, cr,
656 gtk_widget_get_allocated_width (widget) - border * 2,
657 gtk_widget_get_allocated_height (widget) - border * 2);
659 GTK_WIDGET_CLASS (gtk_menu_bar_parent_class)->draw (widget, cr);
665 get_menu_bars (GtkWindow *window)
667 return g_object_get_data (G_OBJECT (window), "gtk-menu-bar-list");
671 get_viewable_menu_bars (GtkWindow *window)
674 GList *viewable_menu_bars = NULL;
676 for (menu_bars = get_menu_bars (window);
678 menu_bars = menu_bars->next)
680 GtkWidget *widget = menu_bars->data;
681 gboolean viewable = TRUE;
685 if (!gtk_widget_get_mapped (widget))
688 widget = gtk_widget_get_parent (widget);
692 viewable_menu_bars = g_list_prepend (viewable_menu_bars, menu_bars->data);
695 return g_list_reverse (viewable_menu_bars);
699 set_menu_bars (GtkWindow *window,
702 g_object_set_data (G_OBJECT (window), I_("gtk-menu-bar-list"), menubars);
706 window_key_press_handler (GtkWidget *widget,
711 gboolean retval = FALSE;
713 g_object_get (gtk_widget_get_settings (widget),
714 "gtk-menu-bar-accel", &accel,
720 GdkModifierType mods = 0;
722 gtk_accelerator_parse (accel, &keyval, &mods);
725 g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
727 /* FIXME this is wrong, needs to be in the global accel resolution
728 * thing, to properly consider i18n etc., but that probably requires
729 * AccelGroup changes etc.
731 if (event->keyval == keyval &&
732 ((event->state & gtk_accelerator_get_default_mod_mask ()) ==
733 (mods & gtk_accelerator_get_default_mod_mask ())))
735 GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (widget));
738 menubars = _gtk_container_focus_sort (GTK_CONTAINER (widget), tmp_menubars,
739 GTK_DIR_TAB_FORWARD, NULL);
740 g_list_free (tmp_menubars);
744 GtkMenuShell *menu_shell = GTK_MENU_SHELL (menubars->data);
746 _gtk_menu_shell_set_keyboard_mode (menu_shell, TRUE);
747 gtk_menu_shell_select_first (menu_shell, FALSE);
749 g_list_free (menubars);
762 add_to_window (GtkWindow *window,
765 GList *menubars = get_menu_bars (window);
769 g_signal_connect (window,
771 G_CALLBACK (window_key_press_handler),
775 set_menu_bars (window, g_list_prepend (menubars, menubar));
779 remove_from_window (GtkWindow *window,
782 GList *menubars = get_menu_bars (window);
784 menubars = g_list_remove (menubars, menubar);
788 g_signal_handlers_disconnect_by_func (window,
789 window_key_press_handler,
793 set_menu_bars (window, menubars);
797 gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
798 GtkWidget *old_toplevel)
803 menubar = GTK_MENU_BAR (widget);
805 toplevel = gtk_widget_get_toplevel (widget);
808 remove_from_window (GTK_WINDOW (old_toplevel), menubar);
810 if (gtk_widget_is_toplevel (toplevel))
811 add_to_window (GTK_WINDOW (toplevel), menubar);
815 * _gtk_menu_bar_cycle_focus:
816 * @menubar: a #GtkMenuBar
817 * @dir: direction in which to cycle the focus
819 * Move the focus between menubars in the toplevel.
822 _gtk_menu_bar_cycle_focus (GtkMenuBar *menubar,
823 GtkDirectionType dir)
825 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menubar));
826 GtkMenuItem *to_activate = NULL;
828 if (gtk_widget_is_toplevel (toplevel))
830 GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (toplevel));
834 menubars = _gtk_container_focus_sort (GTK_CONTAINER (toplevel), tmp_menubars,
835 dir, GTK_WIDGET (menubar));
836 g_list_free (tmp_menubars);
840 current = g_list_find (menubars, menubar);
842 if (current && current->next)
844 GtkMenuShell *new_menushell = GTK_MENU_SHELL (current->next->data);
845 if (new_menushell->priv->children)
846 to_activate = new_menushell->priv->children->data;
850 g_list_free (menubars);
853 gtk_menu_shell_cancel (GTK_MENU_SHELL (menubar));
856 g_signal_emit_by_name (to_activate, "activate_item");
860 get_shadow_type (GtkMenuBar *menubar)
862 GtkShadowType shadow_type = GTK_SHADOW_OUT;
864 gtk_widget_style_get (GTK_WIDGET (menubar),
865 "shadow-type", &shadow_type,
872 gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell)
876 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
877 "gtk-menu-bar-popup-delay", &popup_delay,
884 gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
885 GtkMenuDirectionType direction)
887 GtkMenuBar *menubar = GTK_MENU_BAR (menu_shell);
888 GtkTextDirection text_dir;
889 GtkPackDirection pack_dir;
891 text_dir = gtk_widget_get_direction (GTK_WIDGET (menubar));
892 pack_dir = gtk_menu_bar_get_pack_direction (menubar);
894 if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
896 if ((text_dir == GTK_TEXT_DIR_RTL) == (pack_dir == GTK_PACK_DIRECTION_LTR))
900 case GTK_MENU_DIR_PREV:
901 direction = GTK_MENU_DIR_NEXT;
903 case GTK_MENU_DIR_NEXT:
904 direction = GTK_MENU_DIR_PREV;
914 case GTK_MENU_DIR_PARENT:
915 if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
916 direction = GTK_MENU_DIR_PREV;
918 direction = GTK_MENU_DIR_NEXT;
920 case GTK_MENU_DIR_CHILD:
921 if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
922 direction = GTK_MENU_DIR_NEXT;
924 direction = GTK_MENU_DIR_PREV;
926 case GTK_MENU_DIR_PREV:
927 if (text_dir == GTK_TEXT_DIR_RTL)
928 direction = GTK_MENU_DIR_CHILD;
930 direction = GTK_MENU_DIR_PARENT;
932 case GTK_MENU_DIR_NEXT:
933 if (text_dir == GTK_TEXT_DIR_RTL)
934 direction = GTK_MENU_DIR_PARENT;
936 direction = GTK_MENU_DIR_CHILD;
942 GTK_MENU_SHELL_CLASS (gtk_menu_bar_parent_class)->move_current (menu_shell, direction);
946 * gtk_menu_bar_get_pack_direction:
947 * @menubar: a #GtkMenuBar
949 * Retrieves the current pack direction of the menubar.
950 * See gtk_menu_bar_set_pack_direction().
952 * Return value: the pack direction
957 gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar)
959 g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
960 GTK_PACK_DIRECTION_LTR);
962 return menubar->priv->pack_direction;
966 * gtk_menu_bar_set_pack_direction:
967 * @menubar: a #GtkMenuBar
968 * @pack_dir: a new #GtkPackDirection
970 * Sets how items should be packed inside a menubar.
975 gtk_menu_bar_set_pack_direction (GtkMenuBar *menubar,
976 GtkPackDirection pack_dir)
978 GtkMenuBarPrivate *priv;
981 g_return_if_fail (GTK_IS_MENU_BAR (menubar));
983 priv = menubar->priv;
985 if (priv->pack_direction != pack_dir)
987 priv->pack_direction = pack_dir;
989 gtk_widget_queue_resize (GTK_WIDGET (menubar));
991 for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
992 gtk_widget_queue_resize (GTK_WIDGET (l->data));
994 g_object_notify (G_OBJECT (menubar), "pack-direction");
999 * gtk_menu_bar_get_child_pack_direction:
1000 * @menubar: a #GtkMenuBar
1002 * Retrieves the current child pack direction of the menubar.
1003 * See gtk_menu_bar_set_child_pack_direction().
1005 * Return value: the child pack direction
1010 gtk_menu_bar_get_child_pack_direction (GtkMenuBar *menubar)
1012 g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
1013 GTK_PACK_DIRECTION_LTR);
1015 return menubar->priv->child_pack_direction;
1019 * gtk_menu_bar_set_child_pack_direction:
1020 * @menubar: a #GtkMenuBar
1021 * @child_pack_dir: a new #GtkPackDirection
1023 * Sets how widgets should be packed inside the children of a menubar.
1028 gtk_menu_bar_set_child_pack_direction (GtkMenuBar *menubar,
1029 GtkPackDirection child_pack_dir)
1031 GtkMenuBarPrivate *priv;
1034 g_return_if_fail (GTK_IS_MENU_BAR (menubar));
1036 priv = menubar->priv;
1038 if (priv->child_pack_direction != child_pack_dir)
1040 priv->child_pack_direction = child_pack_dir;
1042 gtk_widget_queue_resize (GTK_WIDGET (menubar));
1044 for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
1045 gtk_widget_queue_resize (GTK_WIDGET (l->data));
1047 g_object_notify (G_OBJECT (menubar), "child-pack-direction");