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"
55 #include "a11y/gtkmenushellaccessible.h"
57 #define BORDER_SPACING 0
58 #define DEFAULT_IPADDING 1
64 PROP_CHILD_PACK_DIRECTION
67 struct _GtkMenuBarPrivate
69 GtkPackDirection pack_direction;
70 GtkPackDirection child_pack_direction;
74 static void gtk_menu_bar_set_property (GObject *object,
78 static void gtk_menu_bar_get_property (GObject *object,
82 static void gtk_menu_bar_get_preferred_width (GtkWidget *widget,
85 static void gtk_menu_bar_get_preferred_height (GtkWidget *widget,
88 static void gtk_menu_bar_get_preferred_width_for_height (GtkWidget *widget,
92 static void gtk_menu_bar_get_preferred_height_for_width (GtkWidget *widget,
96 static void gtk_menu_bar_size_allocate (GtkWidget *widget,
97 GtkAllocation *allocation);
98 static gint gtk_menu_bar_draw (GtkWidget *widget,
100 static void gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
101 GtkWidget *old_toplevel);
102 static gint gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell);
103 static void gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
104 GtkMenuDirectionType direction);
106 static GtkShadowType get_shadow_type (GtkMenuBar *menubar);
108 G_DEFINE_TYPE (GtkMenuBar, gtk_menu_bar, GTK_TYPE_MENU_SHELL)
111 gtk_menu_bar_class_init (GtkMenuBarClass *class)
113 GObjectClass *gobject_class;
114 GtkWidgetClass *widget_class;
115 GtkMenuShellClass *menu_shell_class;
117 GtkBindingSet *binding_set;
119 gobject_class = (GObjectClass*) class;
120 widget_class = (GtkWidgetClass*) class;
121 menu_shell_class = (GtkMenuShellClass*) class;
123 gobject_class->get_property = gtk_menu_bar_get_property;
124 gobject_class->set_property = gtk_menu_bar_set_property;
126 widget_class->get_preferred_width = gtk_menu_bar_get_preferred_width;
127 widget_class->get_preferred_height = gtk_menu_bar_get_preferred_height;
128 widget_class->get_preferred_width_for_height = gtk_menu_bar_get_preferred_width_for_height;
129 widget_class->get_preferred_height_for_width = gtk_menu_bar_get_preferred_height_for_width;
130 widget_class->size_allocate = gtk_menu_bar_size_allocate;
131 widget_class->draw = gtk_menu_bar_draw;
132 widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
134 menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
135 menu_shell_class->get_popup_delay = gtk_menu_bar_get_popup_delay;
136 menu_shell_class->move_current = gtk_menu_bar_move_current;
138 binding_set = gtk_binding_set_by_class (class);
139 gtk_binding_entry_add_signal (binding_set,
142 GTK_TYPE_MENU_DIRECTION_TYPE,
144 gtk_binding_entry_add_signal (binding_set,
147 GTK_TYPE_MENU_DIRECTION_TYPE,
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,
159 gtk_binding_entry_add_signal (binding_set,
162 GTK_TYPE_MENU_DIRECTION_TYPE,
163 GTK_MENU_DIR_PARENT);
164 gtk_binding_entry_add_signal (binding_set,
167 GTK_TYPE_MENU_DIRECTION_TYPE,
168 GTK_MENU_DIR_PARENT);
169 gtk_binding_entry_add_signal (binding_set,
172 GTK_TYPE_MENU_DIRECTION_TYPE,
174 gtk_binding_entry_add_signal (binding_set,
177 GTK_TYPE_MENU_DIRECTION_TYPE,
181 * GtkMenuBar:pack-direction:
183 * The pack direction of the menubar. It determines how
184 * menuitems are arranged in the menubar.
188 g_object_class_install_property (gobject_class,
190 g_param_spec_enum ("pack-direction",
191 P_("Pack direction"),
192 P_("The pack direction of the menubar"),
193 GTK_TYPE_PACK_DIRECTION,
194 GTK_PACK_DIRECTION_LTR,
195 GTK_PARAM_READWRITE));
198 * GtkMenuBar:child-pack-direction:
200 * The child pack direction of the menubar. It determines how
201 * the widgets contained in child menuitems are arranged.
205 g_object_class_install_property (gobject_class,
206 PROP_CHILD_PACK_DIRECTION,
207 g_param_spec_enum ("child-pack-direction",
208 P_("Child Pack direction"),
209 P_("The child pack direction of the menubar"),
210 GTK_TYPE_PACK_DIRECTION,
211 GTK_PACK_DIRECTION_LTR,
212 GTK_PARAM_READWRITE));
215 gtk_widget_class_install_style_property (widget_class,
216 g_param_spec_enum ("shadow-type",
218 P_("Style of bevel around the menubar"),
219 GTK_TYPE_SHADOW_TYPE,
221 GTK_PARAM_READABLE));
223 gtk_widget_class_install_style_property (widget_class,
224 g_param_spec_int ("internal-padding",
225 P_("Internal padding"),
226 P_("Amount of border space between the menubar shadow and the menu items"),
230 GTK_PARAM_READABLE));
232 g_type_class_add_private (gobject_class, sizeof (GtkMenuBarPrivate));
234 gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_MENU_SHELL_ACCESSIBLE);
238 gtk_menu_bar_init (GtkMenuBar *menu_bar)
240 GtkStyleContext *context;
242 menu_bar->priv = G_TYPE_INSTANCE_GET_PRIVATE (menu_bar,
246 context = gtk_widget_get_style_context (GTK_WIDGET (menu_bar));
247 gtk_style_context_add_class (context, GTK_STYLE_CLASS_MENUBAR);
253 * Creates a new #GtkMenuBar
255 * Returns: the new menu bar, as a #GtkWidget
258 gtk_menu_bar_new (void)
260 return g_object_new (GTK_TYPE_MENU_BAR, NULL);
264 gtk_menu_bar_set_property (GObject *object,
269 GtkMenuBar *menubar = GTK_MENU_BAR (object);
273 case PROP_PACK_DIRECTION:
274 gtk_menu_bar_set_pack_direction (menubar, g_value_get_enum (value));
276 case PROP_CHILD_PACK_DIRECTION:
277 gtk_menu_bar_set_child_pack_direction (menubar, g_value_get_enum (value));
280 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
286 gtk_menu_bar_get_property (GObject *object,
291 GtkMenuBar *menubar = GTK_MENU_BAR (object);
295 case PROP_PACK_DIRECTION:
296 g_value_set_enum (value, gtk_menu_bar_get_pack_direction (menubar));
298 case PROP_CHILD_PACK_DIRECTION:
299 g_value_set_enum (value, gtk_menu_bar_get_child_pack_direction (menubar));
302 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
308 get_preferred_size_for_size (GtkWidget *widget,
309 GtkOrientation orientation,
314 if (orientation == GTK_ORIENTATION_HORIZONTAL)
316 gtk_widget_get_preferred_width (widget, minimum, natural);
318 gtk_widget_get_preferred_width_for_height (widget, size, minimum, natural);
321 gtk_widget_get_preferred_height (widget, minimum, natural);
323 gtk_widget_get_preferred_height_for_width (widget, size, minimum, natural);
327 gtk_menu_bar_size_request (GtkWidget *widget,
328 GtkOrientation orientation,
333 GtkMenuBar *menu_bar;
334 GtkMenuBarPrivate *priv;
335 GtkMenuShell *menu_shell;
340 gboolean use_toggle_size, use_maximize;
341 gint child_minimum, child_natural;
346 menu_bar = GTK_MENU_BAR (widget);
347 menu_shell = GTK_MENU_SHELL (widget);
348 priv = menu_bar->priv;
350 children = menu_shell->priv->children;
352 if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
353 priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
354 use_toggle_size = (orientation == GTK_ORIENTATION_HORIZONTAL);
356 use_toggle_size = (orientation == GTK_ORIENTATION_VERTICAL);
358 if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
359 priv->pack_direction == GTK_PACK_DIRECTION_RTL)
360 use_maximize = (orientation == GTK_ORIENTATION_VERTICAL);
362 use_maximize = (orientation == GTK_ORIENTATION_HORIZONTAL);
366 child = children->data;
367 children = children->next;
369 if (gtk_widget_get_visible (child))
371 get_preferred_size_for_size (child, orientation, size, &child_minimum, &child_natural);
377 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
380 child_minimum += toggle_size;
381 child_natural += toggle_size;
386 *minimum = MAX (*minimum, child_minimum);
387 *natural = MAX (*natural, child_natural);
391 *minimum += child_minimum;
392 *natural += child_natural;
397 gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
398 border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
399 *minimum += (border_width + ipadding + BORDER_SPACING) * 2;
400 *natural += (border_width + ipadding + BORDER_SPACING) * 2;
402 if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
404 GtkStyleContext *context;
407 context = gtk_widget_get_style_context (widget);
408 gtk_style_context_get_border (context, gtk_widget_get_state_flags (widget),
411 if (orientation == GTK_ORIENTATION_HORIZONTAL)
413 *minimum += border.left + border.right;
414 *natural += border.left + border.right;
418 *minimum += border.top + border.bottom;
419 *natural += border.top + border.bottom;
425 gtk_menu_bar_get_preferred_width (GtkWidget *widget,
429 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_HORIZONTAL, -1, minimum, natural);
433 gtk_menu_bar_get_preferred_height (GtkWidget *widget,
437 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_VERTICAL, -1, minimum, natural);
441 gtk_menu_bar_get_preferred_width_for_height (GtkWidget *widget,
446 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_HORIZONTAL, height, minimum, natural);
450 gtk_menu_bar_get_preferred_height_for_width (GtkWidget *widget,
455 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_VERTICAL, width, minimum, natural);
459 gtk_menu_bar_size_allocate (GtkWidget *widget,
460 GtkAllocation *allocation)
462 GtkMenuBar *menu_bar;
463 GtkMenuShell *menu_shell;
464 GtkMenuBarPrivate *priv;
467 GtkAllocation remaining_space;
470 GArray *requested_sizes;
474 g_return_if_fail (GTK_IS_MENU_BAR (widget));
475 g_return_if_fail (allocation != NULL);
477 menu_bar = GTK_MENU_BAR (widget);
478 menu_shell = GTK_MENU_SHELL (widget);
479 priv = menu_bar->priv;
481 gtk_widget_set_allocation (widget, allocation);
483 if (gtk_widget_get_realized (widget))
484 gdk_window_move_resize (gtk_widget_get_window (widget),
485 allocation->x, allocation->y,
486 allocation->width, allocation->height);
488 if (menu_shell->priv->children)
490 gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
492 border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
493 remaining_space.x = (border_width +
496 remaining_space.y = (border_width +
499 remaining_space.width = allocation->width -
500 2 * (border_width + ipadding + BORDER_SPACING);
501 remaining_space.height = allocation->height -
502 2 * (border_width + ipadding + BORDER_SPACING);
504 if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
506 GtkStyleContext *context;
509 context = gtk_widget_get_style_context (widget);
510 gtk_style_context_get_border (context, gtk_widget_get_state_flags (widget),
513 remaining_space.x += border.left;
514 remaining_space.y += border.top;
515 remaining_space.width -= border.left + border.right;
516 remaining_space.height -= border.top + border.bottom;
519 requested_sizes = g_array_new (FALSE, FALSE, sizeof (GtkRequestedSize));
521 if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
522 priv->pack_direction == GTK_PACK_DIRECTION_RTL)
524 int size = remaining_space.width;
525 gboolean ltr = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) == (priv->pack_direction == GTK_PACK_DIRECTION_LTR);
527 for (children = menu_shell->priv->children; children; children = children->next)
529 GtkRequestedSize request;
530 child = children->data;
532 if (!gtk_widget_get_visible (child))
535 request.data = child;
536 gtk_widget_get_preferred_width_for_height (child,
537 remaining_space.height,
538 &request.minimum_size,
539 &request.natural_size);
540 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
542 request.minimum_size += toggle_size;
543 request.natural_size += toggle_size;
545 gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child), toggle_size);
547 g_array_append_val (requested_sizes, request);
549 size -= request.minimum_size;
552 size = gtk_distribute_natural_allocation (size,
553 requested_sizes->len,
554 (GtkRequestedSize *) requested_sizes->data);
556 for (i = 0; i < requested_sizes->len; i++)
558 GtkAllocation child_allocation = remaining_space;
559 GtkRequestedSize *request = &g_array_index (requested_sizes, GtkRequestedSize, i);
561 child_allocation.width = request->minimum_size;
562 remaining_space.width -= request->minimum_size;
564 if (i + 1 == requested_sizes->len && GTK_IS_MENU_ITEM (request->data) &&
565 GTK_MENU_ITEM (request->data)->priv->right_justify)
569 remaining_space.x += request->minimum_size;
571 child_allocation.x += remaining_space.width;
573 gtk_widget_size_allocate (request->data, &child_allocation);
578 int size = remaining_space.height;
579 gboolean ttb = (priv->pack_direction == GTK_PACK_DIRECTION_TTB);
581 for (children = menu_shell->priv->children; children; children = children->next)
583 GtkRequestedSize request;
584 child = children->data;
586 if (!gtk_widget_get_visible (child))
589 request.data = child;
590 gtk_widget_get_preferred_height_for_width (child,
591 remaining_space.width,
592 &request.minimum_size,
593 &request.natural_size);
594 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
596 request.minimum_size += toggle_size;
597 request.natural_size += toggle_size;
599 gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child), toggle_size);
601 g_array_append_val (requested_sizes, request);
603 size -= request.minimum_size;
606 size = gtk_distribute_natural_allocation (size,
607 requested_sizes->len,
608 (GtkRequestedSize *) requested_sizes->data);
610 for (i = 0; i < requested_sizes->len; i++)
612 GtkAllocation child_allocation = remaining_space;
613 GtkRequestedSize *request = &g_array_index (requested_sizes, GtkRequestedSize, i);
615 child_allocation.height = request->minimum_size;
616 remaining_space.height -= request->minimum_size;
618 if (i + 1 == requested_sizes->len && GTK_IS_MENU_ITEM (request->data) &&
619 GTK_MENU_ITEM (request->data)->priv->right_justify)
623 remaining_space.y += request->minimum_size;
625 child_allocation.y += remaining_space.height;
627 gtk_widget_size_allocate (request->data, &child_allocation);
631 g_array_free (requested_sizes, TRUE);
636 gtk_menu_bar_draw (GtkWidget *widget,
639 GtkStyleContext *context;
643 border = gtk_container_get_border_width (GTK_CONTAINER (widget));
644 context = gtk_widget_get_style_context (widget);
646 state = gtk_widget_get_state_flags (widget);
647 gtk_style_context_set_state (context, state);
649 if (get_shadow_type (GTK_MENU_BAR (widget)) != GTK_SHADOW_NONE)
650 gtk_render_background (context, cr,
652 gtk_widget_get_allocated_width (widget) - border * 2,
653 gtk_widget_get_allocated_height (widget) - border * 2);
655 gtk_render_frame (context, cr,
657 gtk_widget_get_allocated_width (widget) - border * 2,
658 gtk_widget_get_allocated_height (widget) - border * 2);
660 GTK_WIDGET_CLASS (gtk_menu_bar_parent_class)->draw (widget, cr);
666 get_menu_bars (GtkWindow *window)
668 return g_object_get_data (G_OBJECT (window), "gtk-menu-bar-list");
672 get_viewable_menu_bars (GtkWindow *window)
675 GList *viewable_menu_bars = NULL;
677 for (menu_bars = get_menu_bars (window);
679 menu_bars = menu_bars->next)
681 GtkWidget *widget = menu_bars->data;
682 gboolean viewable = TRUE;
686 if (!gtk_widget_get_mapped (widget))
689 widget = gtk_widget_get_parent (widget);
693 viewable_menu_bars = g_list_prepend (viewable_menu_bars, menu_bars->data);
696 return g_list_reverse (viewable_menu_bars);
700 set_menu_bars (GtkWindow *window,
703 g_object_set_data (G_OBJECT (window), I_("gtk-menu-bar-list"), menubars);
707 window_key_press_handler (GtkWidget *widget,
712 gboolean retval = FALSE;
714 g_object_get (gtk_widget_get_settings (widget),
715 "gtk-menu-bar-accel", &accel,
721 GdkModifierType mods = 0;
723 gtk_accelerator_parse (accel, &keyval, &mods);
726 g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
728 /* FIXME this is wrong, needs to be in the global accel resolution
729 * thing, to properly consider i18n etc., but that probably requires
730 * AccelGroup changes etc.
732 if (event->keyval == keyval &&
733 ((event->state & gtk_accelerator_get_default_mod_mask ()) ==
734 (mods & gtk_accelerator_get_default_mod_mask ())))
736 GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (widget));
739 menubars = _gtk_container_focus_sort (GTK_CONTAINER (widget), tmp_menubars,
740 GTK_DIR_TAB_FORWARD, NULL);
741 g_list_free (tmp_menubars);
745 GtkMenuShell *menu_shell = GTK_MENU_SHELL (menubars->data);
747 _gtk_menu_shell_set_keyboard_mode (menu_shell, TRUE);
748 gtk_menu_shell_select_first (menu_shell, FALSE);
750 g_list_free (menubars);
763 add_to_window (GtkWindow *window,
766 GList *menubars = get_menu_bars (window);
770 g_signal_connect (window,
772 G_CALLBACK (window_key_press_handler),
776 set_menu_bars (window, g_list_prepend (menubars, menubar));
780 remove_from_window (GtkWindow *window,
783 GList *menubars = get_menu_bars (window);
785 menubars = g_list_remove (menubars, menubar);
789 g_signal_handlers_disconnect_by_func (window,
790 window_key_press_handler,
794 set_menu_bars (window, menubars);
798 gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
799 GtkWidget *old_toplevel)
804 menubar = GTK_MENU_BAR (widget);
806 toplevel = gtk_widget_get_toplevel (widget);
809 remove_from_window (GTK_WINDOW (old_toplevel), menubar);
811 if (gtk_widget_is_toplevel (toplevel))
812 add_to_window (GTK_WINDOW (toplevel), menubar);
816 * _gtk_menu_bar_cycle_focus:
817 * @menubar: a #GtkMenuBar
818 * @dir: direction in which to cycle the focus
820 * Move the focus between menubars in the toplevel.
823 _gtk_menu_bar_cycle_focus (GtkMenuBar *menubar,
824 GtkDirectionType dir)
826 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menubar));
827 GtkMenuItem *to_activate = NULL;
829 if (gtk_widget_is_toplevel (toplevel))
831 GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (toplevel));
835 menubars = _gtk_container_focus_sort (GTK_CONTAINER (toplevel), tmp_menubars,
836 dir, GTK_WIDGET (menubar));
837 g_list_free (tmp_menubars);
841 current = g_list_find (menubars, menubar);
843 if (current && current->next)
845 GtkMenuShell *new_menushell = GTK_MENU_SHELL (current->next->data);
846 if (new_menushell->priv->children)
847 to_activate = new_menushell->priv->children->data;
851 g_list_free (menubars);
854 gtk_menu_shell_cancel (GTK_MENU_SHELL (menubar));
857 g_signal_emit_by_name (to_activate, "activate_item");
861 get_shadow_type (GtkMenuBar *menubar)
863 GtkShadowType shadow_type = GTK_SHADOW_OUT;
865 gtk_widget_style_get (GTK_WIDGET (menubar),
866 "shadow-type", &shadow_type,
873 gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell)
877 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
878 "gtk-menu-bar-popup-delay", &popup_delay,
885 gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
886 GtkMenuDirectionType direction)
888 GtkMenuBar *menubar = GTK_MENU_BAR (menu_shell);
889 GtkTextDirection text_dir;
890 GtkPackDirection pack_dir;
892 text_dir = gtk_widget_get_direction (GTK_WIDGET (menubar));
893 pack_dir = gtk_menu_bar_get_pack_direction (menubar);
895 if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
897 if ((text_dir == GTK_TEXT_DIR_RTL) == (pack_dir == GTK_PACK_DIRECTION_LTR))
901 case GTK_MENU_DIR_PREV:
902 direction = GTK_MENU_DIR_NEXT;
904 case GTK_MENU_DIR_NEXT:
905 direction = GTK_MENU_DIR_PREV;
915 case GTK_MENU_DIR_PARENT:
916 if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
917 direction = GTK_MENU_DIR_PREV;
919 direction = GTK_MENU_DIR_NEXT;
921 case GTK_MENU_DIR_CHILD:
922 if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
923 direction = GTK_MENU_DIR_NEXT;
925 direction = GTK_MENU_DIR_PREV;
927 case GTK_MENU_DIR_PREV:
928 if (text_dir == GTK_TEXT_DIR_RTL)
929 direction = GTK_MENU_DIR_CHILD;
931 direction = GTK_MENU_DIR_PARENT;
933 case GTK_MENU_DIR_NEXT:
934 if (text_dir == GTK_TEXT_DIR_RTL)
935 direction = GTK_MENU_DIR_PARENT;
937 direction = GTK_MENU_DIR_CHILD;
943 GTK_MENU_SHELL_CLASS (gtk_menu_bar_parent_class)->move_current (menu_shell, direction);
947 * gtk_menu_bar_get_pack_direction:
948 * @menubar: a #GtkMenuBar
950 * Retrieves the current pack direction of the menubar.
951 * See gtk_menu_bar_set_pack_direction().
953 * Return value: the pack direction
958 gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar)
960 g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
961 GTK_PACK_DIRECTION_LTR);
963 return menubar->priv->pack_direction;
967 * gtk_menu_bar_set_pack_direction:
968 * @menubar: a #GtkMenuBar
969 * @pack_dir: a new #GtkPackDirection
971 * Sets how items should be packed inside a menubar.
976 gtk_menu_bar_set_pack_direction (GtkMenuBar *menubar,
977 GtkPackDirection pack_dir)
979 GtkMenuBarPrivate *priv;
982 g_return_if_fail (GTK_IS_MENU_BAR (menubar));
984 priv = menubar->priv;
986 if (priv->pack_direction != pack_dir)
988 priv->pack_direction = pack_dir;
990 gtk_widget_queue_resize (GTK_WIDGET (menubar));
992 for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
993 gtk_widget_queue_resize (GTK_WIDGET (l->data));
995 g_object_notify (G_OBJECT (menubar), "pack-direction");
1000 * gtk_menu_bar_get_child_pack_direction:
1001 * @menubar: a #GtkMenuBar
1003 * Retrieves the current child pack direction of the menubar.
1004 * See gtk_menu_bar_set_child_pack_direction().
1006 * Return value: the child pack direction
1011 gtk_menu_bar_get_child_pack_direction (GtkMenuBar *menubar)
1013 g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
1014 GTK_PACK_DIRECTION_LTR);
1016 return menubar->priv->child_pack_direction;
1020 * gtk_menu_bar_set_child_pack_direction:
1021 * @menubar: a #GtkMenuBar
1022 * @child_pack_dir: a new #GtkPackDirection
1024 * Sets how widgets should be packed inside the children of a menubar.
1029 gtk_menu_bar_set_child_pack_direction (GtkMenuBar *menubar,
1030 GtkPackDirection child_pack_dir)
1032 GtkMenuBarPrivate *priv;
1035 g_return_if_fail (GTK_IS_MENU_BAR (menubar));
1037 priv = menubar->priv;
1039 if (priv->child_pack_direction != child_pack_dir)
1041 priv->child_pack_direction = child_pack_dir;
1043 gtk_widget_queue_resize (GTK_WIDGET (menubar));
1045 for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
1046 gtk_widget_queue_resize (GTK_WIDGET (l->data));
1048 g_object_notify (G_OBJECT (menubar), "child-pack-direction");