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, see <http://www.gnu.org/licenses/>.
19 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
20 * file for a list of people on the GTK+ Team. See the ChangeLog
21 * files for a list of changes. These files are distributed with
22 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28 * @Short_description: A subclass of GtkMenuShell which holds GtkMenuItem widgets
29 * @See_also: #GtkMenuShell, #GtkMenu, #GtkMenuItem
31 * The #GtkMenuBar is a subclass of #GtkMenuShell which contains one or
32 * more #GtkMenuItems. The result is a standard menu bar which can hold
38 #include "gtkmenubar.h"
40 #include "gtkbindings.h"
42 #include "gtkmarshalers.h"
43 #include "gtkmenuitemprivate.h"
44 #include "gtkmenuprivate.h"
45 #include "gtkmenushellprivate.h"
46 #include "gtksettings.h"
47 #include "gtksizerequest.h"
48 #include "gtkwindow.h"
49 #include "gtkcontainerprivate.h"
51 #include "gtkprivate.h"
52 #include "gtktypebuiltins.h"
54 #define BORDER_SPACING 0
55 #define DEFAULT_IPADDING 1
61 PROP_CHILD_PACK_DIRECTION
64 struct _GtkMenuBarPrivate
66 GtkPackDirection pack_direction;
67 GtkPackDirection child_pack_direction;
71 static void gtk_menu_bar_set_property (GObject *object,
75 static void gtk_menu_bar_get_property (GObject *object,
79 static void gtk_menu_bar_get_preferred_width (GtkWidget *widget,
82 static void gtk_menu_bar_get_preferred_height (GtkWidget *widget,
85 static void gtk_menu_bar_get_preferred_width_for_height (GtkWidget *widget,
89 static void gtk_menu_bar_get_preferred_height_for_width (GtkWidget *widget,
93 static void gtk_menu_bar_size_allocate (GtkWidget *widget,
94 GtkAllocation *allocation);
95 static gint gtk_menu_bar_draw (GtkWidget *widget,
97 static void gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
98 GtkWidget *old_toplevel);
99 static gint gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell);
100 static void gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
101 GtkMenuDirectionType direction);
103 static GtkShadowType get_shadow_type (GtkMenuBar *menubar);
105 G_DEFINE_TYPE (GtkMenuBar, gtk_menu_bar, GTK_TYPE_MENU_SHELL)
108 gtk_menu_bar_class_init (GtkMenuBarClass *class)
110 GObjectClass *gobject_class;
111 GtkWidgetClass *widget_class;
112 GtkMenuShellClass *menu_shell_class;
114 GtkBindingSet *binding_set;
116 gobject_class = (GObjectClass*) class;
117 widget_class = (GtkWidgetClass*) class;
118 menu_shell_class = (GtkMenuShellClass*) class;
120 gobject_class->get_property = gtk_menu_bar_get_property;
121 gobject_class->set_property = gtk_menu_bar_set_property;
123 widget_class->get_preferred_width = gtk_menu_bar_get_preferred_width;
124 widget_class->get_preferred_height = gtk_menu_bar_get_preferred_height;
125 widget_class->get_preferred_width_for_height = gtk_menu_bar_get_preferred_width_for_height;
126 widget_class->get_preferred_height_for_width = gtk_menu_bar_get_preferred_height_for_width;
127 widget_class->size_allocate = gtk_menu_bar_size_allocate;
128 widget_class->draw = gtk_menu_bar_draw;
129 widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
131 gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_MENU_BAR);
133 menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
134 menu_shell_class->get_popup_delay = gtk_menu_bar_get_popup_delay;
135 menu_shell_class->move_current = gtk_menu_bar_move_current;
137 binding_set = gtk_binding_set_by_class (class);
138 gtk_binding_entry_add_signal (binding_set,
141 GTK_TYPE_MENU_DIRECTION_TYPE,
143 gtk_binding_entry_add_signal (binding_set,
146 GTK_TYPE_MENU_DIRECTION_TYPE,
148 gtk_binding_entry_add_signal (binding_set,
151 GTK_TYPE_MENU_DIRECTION_TYPE,
153 gtk_binding_entry_add_signal (binding_set,
156 GTK_TYPE_MENU_DIRECTION_TYPE,
158 gtk_binding_entry_add_signal (binding_set,
161 GTK_TYPE_MENU_DIRECTION_TYPE,
162 GTK_MENU_DIR_PARENT);
163 gtk_binding_entry_add_signal (binding_set,
166 GTK_TYPE_MENU_DIRECTION_TYPE,
167 GTK_MENU_DIR_PARENT);
168 gtk_binding_entry_add_signal (binding_set,
171 GTK_TYPE_MENU_DIRECTION_TYPE,
173 gtk_binding_entry_add_signal (binding_set,
176 GTK_TYPE_MENU_DIRECTION_TYPE,
180 * GtkMenuBar:pack-direction:
182 * The pack direction of the menubar. It determines how
183 * menuitems are arranged in the menubar.
187 g_object_class_install_property (gobject_class,
189 g_param_spec_enum ("pack-direction",
190 P_("Pack direction"),
191 P_("The pack direction of the menubar"),
192 GTK_TYPE_PACK_DIRECTION,
193 GTK_PACK_DIRECTION_LTR,
194 GTK_PARAM_READWRITE));
197 * GtkMenuBar:child-pack-direction:
199 * The child pack direction of the menubar. It determines how
200 * the widgets contained in child menuitems are arranged.
204 g_object_class_install_property (gobject_class,
205 PROP_CHILD_PACK_DIRECTION,
206 g_param_spec_enum ("child-pack-direction",
207 P_("Child Pack direction"),
208 P_("The child pack direction of the menubar"),
209 GTK_TYPE_PACK_DIRECTION,
210 GTK_PACK_DIRECTION_LTR,
211 GTK_PARAM_READWRITE));
214 gtk_widget_class_install_style_property (widget_class,
215 g_param_spec_enum ("shadow-type",
217 P_("Style of bevel around the menubar"),
218 GTK_TYPE_SHADOW_TYPE,
220 GTK_PARAM_READABLE));
222 gtk_widget_class_install_style_property (widget_class,
223 g_param_spec_int ("internal-padding",
224 P_("Internal padding"),
225 P_("Amount of border space between the menubar shadow and the menu items"),
229 GTK_PARAM_READABLE));
231 g_type_class_add_private (gobject_class, sizeof (GtkMenuBarPrivate));
235 gtk_menu_bar_init (GtkMenuBar *menu_bar)
237 GtkStyleContext *context;
239 menu_bar->priv = G_TYPE_INSTANCE_GET_PRIVATE (menu_bar,
243 context = gtk_widget_get_style_context (GTK_WIDGET (menu_bar));
244 gtk_style_context_add_class (context, GTK_STYLE_CLASS_MENUBAR);
250 * Creates a new #GtkMenuBar
252 * Returns: the new menu bar, as a #GtkWidget
255 gtk_menu_bar_new (void)
257 return g_object_new (GTK_TYPE_MENU_BAR, NULL);
261 gtk_menu_bar_set_property (GObject *object,
266 GtkMenuBar *menubar = GTK_MENU_BAR (object);
270 case PROP_PACK_DIRECTION:
271 gtk_menu_bar_set_pack_direction (menubar, g_value_get_enum (value));
273 case PROP_CHILD_PACK_DIRECTION:
274 gtk_menu_bar_set_child_pack_direction (menubar, g_value_get_enum (value));
277 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
283 gtk_menu_bar_get_property (GObject *object,
288 GtkMenuBar *menubar = GTK_MENU_BAR (object);
292 case PROP_PACK_DIRECTION:
293 g_value_set_enum (value, gtk_menu_bar_get_pack_direction (menubar));
295 case PROP_CHILD_PACK_DIRECTION:
296 g_value_set_enum (value, gtk_menu_bar_get_child_pack_direction (menubar));
299 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
305 get_preferred_size_for_size (GtkWidget *widget,
306 GtkOrientation orientation,
311 if (orientation == GTK_ORIENTATION_HORIZONTAL)
313 gtk_widget_get_preferred_width (widget, minimum, natural);
315 gtk_widget_get_preferred_width_for_height (widget, size, minimum, natural);
318 gtk_widget_get_preferred_height (widget, minimum, natural);
320 gtk_widget_get_preferred_height_for_width (widget, size, minimum, natural);
324 gtk_menu_bar_size_request (GtkWidget *widget,
325 GtkOrientation orientation,
330 GtkMenuBar *menu_bar;
331 GtkMenuBarPrivate *priv;
332 GtkMenuShell *menu_shell;
337 gboolean use_toggle_size, use_maximize;
338 gint child_minimum, child_natural;
343 menu_bar = GTK_MENU_BAR (widget);
344 menu_shell = GTK_MENU_SHELL (widget);
345 priv = menu_bar->priv;
347 children = menu_shell->priv->children;
349 if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
350 priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
351 use_toggle_size = (orientation == GTK_ORIENTATION_HORIZONTAL);
353 use_toggle_size = (orientation == GTK_ORIENTATION_VERTICAL);
355 if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
356 priv->pack_direction == GTK_PACK_DIRECTION_RTL)
357 use_maximize = (orientation == GTK_ORIENTATION_VERTICAL);
359 use_maximize = (orientation == GTK_ORIENTATION_HORIZONTAL);
363 child = children->data;
364 children = children->next;
366 if (gtk_widget_get_visible (child))
368 get_preferred_size_for_size (child, orientation, size, &child_minimum, &child_natural);
374 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
377 child_minimum += toggle_size;
378 child_natural += toggle_size;
383 *minimum = MAX (*minimum, child_minimum);
384 *natural = MAX (*natural, child_natural);
388 *minimum += child_minimum;
389 *natural += child_natural;
394 gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
395 border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
396 *minimum += (border_width + ipadding + BORDER_SPACING) * 2;
397 *natural += (border_width + ipadding + BORDER_SPACING) * 2;
399 if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
401 GtkStyleContext *context;
404 context = gtk_widget_get_style_context (widget);
405 gtk_style_context_get_border (context, gtk_widget_get_state_flags (widget),
408 if (orientation == GTK_ORIENTATION_HORIZONTAL)
410 *minimum += border.left + border.right;
411 *natural += border.left + border.right;
415 *minimum += border.top + border.bottom;
416 *natural += border.top + border.bottom;
422 gtk_menu_bar_get_preferred_width (GtkWidget *widget,
426 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_HORIZONTAL, -1, minimum, natural);
430 gtk_menu_bar_get_preferred_height (GtkWidget *widget,
434 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_VERTICAL, -1, minimum, natural);
438 gtk_menu_bar_get_preferred_width_for_height (GtkWidget *widget,
443 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_HORIZONTAL, height, minimum, natural);
447 gtk_menu_bar_get_preferred_height_for_width (GtkWidget *widget,
452 gtk_menu_bar_size_request (widget, GTK_ORIENTATION_VERTICAL, width, minimum, natural);
456 gtk_menu_bar_size_allocate (GtkWidget *widget,
457 GtkAllocation *allocation)
459 GtkMenuBar *menu_bar;
460 GtkMenuShell *menu_shell;
461 GtkMenuBarPrivate *priv;
464 GtkAllocation remaining_space;
467 GArray *requested_sizes;
471 g_return_if_fail (GTK_IS_MENU_BAR (widget));
472 g_return_if_fail (allocation != NULL);
474 menu_bar = GTK_MENU_BAR (widget);
475 menu_shell = GTK_MENU_SHELL (widget);
476 priv = menu_bar->priv;
478 gtk_widget_set_allocation (widget, allocation);
480 if (gtk_widget_get_realized (widget))
481 gdk_window_move_resize (gtk_widget_get_window (widget),
482 allocation->x, allocation->y,
483 allocation->width, allocation->height);
485 if (menu_shell->priv->children)
487 gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
489 border_width = gtk_container_get_border_width (GTK_CONTAINER (menu_bar));
490 remaining_space.x = (border_width +
493 remaining_space.y = (border_width +
496 remaining_space.width = allocation->width -
497 2 * (border_width + ipadding + BORDER_SPACING);
498 remaining_space.height = allocation->height -
499 2 * (border_width + ipadding + BORDER_SPACING);
501 if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
503 GtkStyleContext *context;
506 context = gtk_widget_get_style_context (widget);
507 gtk_style_context_get_border (context, gtk_widget_get_state_flags (widget),
510 remaining_space.x += border.left;
511 remaining_space.y += border.top;
512 remaining_space.width -= border.left + border.right;
513 remaining_space.height -= border.top + border.bottom;
516 requested_sizes = g_array_new (FALSE, FALSE, sizeof (GtkRequestedSize));
518 if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
519 priv->pack_direction == GTK_PACK_DIRECTION_RTL)
521 int size = remaining_space.width;
522 gboolean ltr = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) == (priv->pack_direction == GTK_PACK_DIRECTION_LTR);
524 for (children = menu_shell->priv->children; children; children = children->next)
526 GtkRequestedSize request;
527 child = children->data;
529 if (!gtk_widget_get_visible (child))
532 request.data = child;
533 gtk_widget_get_preferred_width_for_height (child,
534 remaining_space.height,
535 &request.minimum_size,
536 &request.natural_size);
537 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
539 request.minimum_size += toggle_size;
540 request.natural_size += toggle_size;
542 gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child), toggle_size);
544 g_array_append_val (requested_sizes, request);
546 size -= request.minimum_size;
549 size = gtk_distribute_natural_allocation (size,
550 requested_sizes->len,
551 (GtkRequestedSize *) requested_sizes->data);
553 for (i = 0; i < requested_sizes->len; i++)
555 GtkAllocation child_allocation = remaining_space;
556 GtkRequestedSize *request = &g_array_index (requested_sizes, GtkRequestedSize, i);
558 child_allocation.width = request->minimum_size;
559 remaining_space.width -= request->minimum_size;
561 if (i + 1 == requested_sizes->len && GTK_IS_MENU_ITEM (request->data) &&
562 GTK_MENU_ITEM (request->data)->priv->right_justify)
566 remaining_space.x += request->minimum_size;
568 child_allocation.x += remaining_space.width;
570 gtk_widget_size_allocate (request->data, &child_allocation);
575 int size = remaining_space.height;
576 gboolean ttb = (priv->pack_direction == GTK_PACK_DIRECTION_TTB);
578 for (children = menu_shell->priv->children; children; children = children->next)
580 GtkRequestedSize request;
581 child = children->data;
583 if (!gtk_widget_get_visible (child))
586 request.data = child;
587 gtk_widget_get_preferred_height_for_width (child,
588 remaining_space.width,
589 &request.minimum_size,
590 &request.natural_size);
591 gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
593 request.minimum_size += toggle_size;
594 request.natural_size += toggle_size;
596 gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child), toggle_size);
598 g_array_append_val (requested_sizes, request);
600 size -= request.minimum_size;
603 size = gtk_distribute_natural_allocation (size,
604 requested_sizes->len,
605 (GtkRequestedSize *) requested_sizes->data);
607 for (i = 0; i < requested_sizes->len; i++)
609 GtkAllocation child_allocation = remaining_space;
610 GtkRequestedSize *request = &g_array_index (requested_sizes, GtkRequestedSize, i);
612 child_allocation.height = request->minimum_size;
613 remaining_space.height -= request->minimum_size;
615 if (i + 1 == requested_sizes->len && GTK_IS_MENU_ITEM (request->data) &&
616 GTK_MENU_ITEM (request->data)->priv->right_justify)
620 remaining_space.y += request->minimum_size;
622 child_allocation.y += remaining_space.height;
624 gtk_widget_size_allocate (request->data, &child_allocation);
628 g_array_free (requested_sizes, TRUE);
633 gtk_menu_bar_draw (GtkWidget *widget,
636 GtkStyleContext *context;
639 border = gtk_container_get_border_width (GTK_CONTAINER (widget));
640 context = gtk_widget_get_style_context (widget);
642 gtk_render_background (context, cr,
644 gtk_widget_get_allocated_width (widget) - border * 2,
645 gtk_widget_get_allocated_height (widget) - border * 2);
647 if (get_shadow_type (GTK_MENU_BAR (widget)) != GTK_SHADOW_NONE)
648 gtk_render_frame (context, cr,
650 gtk_widget_get_allocated_width (widget) - border * 2,
651 gtk_widget_get_allocated_height (widget) - border * 2);
653 GTK_WIDGET_CLASS (gtk_menu_bar_parent_class)->draw (widget, cr);
659 get_menu_bars (GtkWindow *window)
661 return g_object_get_data (G_OBJECT (window), "gtk-menu-bar-list");
665 get_viewable_menu_bars (GtkWindow *window)
668 GList *viewable_menu_bars = NULL;
670 for (menu_bars = get_menu_bars (window);
672 menu_bars = menu_bars->next)
674 GtkWidget *widget = menu_bars->data;
675 gboolean viewable = TRUE;
679 if (!gtk_widget_get_mapped (widget))
682 widget = gtk_widget_get_parent (widget);
686 viewable_menu_bars = g_list_prepend (viewable_menu_bars, menu_bars->data);
689 return g_list_reverse (viewable_menu_bars);
693 set_menu_bars (GtkWindow *window,
696 g_object_set_data (G_OBJECT (window), I_("gtk-menu-bar-list"), menubars);
700 window_key_press_handler (GtkWidget *widget,
705 gboolean retval = FALSE;
707 g_object_get (gtk_widget_get_settings (widget),
708 "gtk-menu-bar-accel", &accel,
714 GdkModifierType mods = 0;
716 gtk_accelerator_parse (accel, &keyval, &mods);
719 g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
721 /* FIXME this is wrong, needs to be in the global accel resolution
722 * thing, to properly consider i18n etc., but that probably requires
723 * AccelGroup changes etc.
725 if (event->keyval == keyval &&
726 ((event->state & gtk_accelerator_get_default_mod_mask ()) ==
727 (mods & gtk_accelerator_get_default_mod_mask ())))
729 GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (widget));
732 menubars = _gtk_container_focus_sort (GTK_CONTAINER (widget), tmp_menubars,
733 GTK_DIR_TAB_FORWARD, NULL);
734 g_list_free (tmp_menubars);
738 GtkMenuShell *menu_shell = GTK_MENU_SHELL (menubars->data);
740 _gtk_menu_shell_set_keyboard_mode (menu_shell, TRUE);
741 gtk_menu_shell_select_first (menu_shell, FALSE);
743 g_list_free (menubars);
756 add_to_window (GtkWindow *window,
759 GList *menubars = get_menu_bars (window);
763 g_signal_connect (window,
765 G_CALLBACK (window_key_press_handler),
769 set_menu_bars (window, g_list_prepend (menubars, menubar));
773 remove_from_window (GtkWindow *window,
776 GList *menubars = get_menu_bars (window);
778 menubars = g_list_remove (menubars, menubar);
782 g_signal_handlers_disconnect_by_func (window,
783 window_key_press_handler,
787 set_menu_bars (window, menubars);
791 gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
792 GtkWidget *old_toplevel)
797 menubar = GTK_MENU_BAR (widget);
799 toplevel = gtk_widget_get_toplevel (widget);
802 remove_from_window (GTK_WINDOW (old_toplevel), menubar);
804 if (gtk_widget_is_toplevel (toplevel))
805 add_to_window (GTK_WINDOW (toplevel), menubar);
809 * _gtk_menu_bar_cycle_focus:
810 * @menubar: a #GtkMenuBar
811 * @dir: direction in which to cycle the focus
813 * Move the focus between menubars in the toplevel.
816 _gtk_menu_bar_cycle_focus (GtkMenuBar *menubar,
817 GtkDirectionType dir)
819 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menubar));
820 GtkMenuItem *to_activate = NULL;
822 if (gtk_widget_is_toplevel (toplevel))
824 GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (toplevel));
828 menubars = _gtk_container_focus_sort (GTK_CONTAINER (toplevel), tmp_menubars,
829 dir, GTK_WIDGET (menubar));
830 g_list_free (tmp_menubars);
834 current = g_list_find (menubars, menubar);
836 if (current && current->next)
838 GtkMenuShell *new_menushell = GTK_MENU_SHELL (current->next->data);
839 if (new_menushell->priv->children)
840 to_activate = new_menushell->priv->children->data;
844 g_list_free (menubars);
847 gtk_menu_shell_cancel (GTK_MENU_SHELL (menubar));
850 g_signal_emit_by_name (to_activate, "activate_item");
854 get_shadow_type (GtkMenuBar *menubar)
856 GtkShadowType shadow_type = GTK_SHADOW_OUT;
858 gtk_widget_style_get (GTK_WIDGET (menubar),
859 "shadow-type", &shadow_type,
866 gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell)
870 g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
871 "gtk-menu-bar-popup-delay", &popup_delay,
878 gtk_menu_bar_move_current (GtkMenuShell *menu_shell,
879 GtkMenuDirectionType direction)
881 GtkMenuBar *menubar = GTK_MENU_BAR (menu_shell);
882 GtkTextDirection text_dir;
883 GtkPackDirection pack_dir;
885 text_dir = gtk_widget_get_direction (GTK_WIDGET (menubar));
886 pack_dir = gtk_menu_bar_get_pack_direction (menubar);
888 if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
890 if ((text_dir == GTK_TEXT_DIR_RTL) == (pack_dir == GTK_PACK_DIRECTION_LTR))
894 case GTK_MENU_DIR_PREV:
895 direction = GTK_MENU_DIR_NEXT;
897 case GTK_MENU_DIR_NEXT:
898 direction = GTK_MENU_DIR_PREV;
908 case GTK_MENU_DIR_PARENT:
909 if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
910 direction = GTK_MENU_DIR_PREV;
912 direction = GTK_MENU_DIR_NEXT;
914 case GTK_MENU_DIR_CHILD:
915 if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
916 direction = GTK_MENU_DIR_NEXT;
918 direction = GTK_MENU_DIR_PREV;
920 case GTK_MENU_DIR_PREV:
921 if (text_dir == GTK_TEXT_DIR_RTL)
922 direction = GTK_MENU_DIR_CHILD;
924 direction = GTK_MENU_DIR_PARENT;
926 case GTK_MENU_DIR_NEXT:
927 if (text_dir == GTK_TEXT_DIR_RTL)
928 direction = GTK_MENU_DIR_PARENT;
930 direction = GTK_MENU_DIR_CHILD;
936 GTK_MENU_SHELL_CLASS (gtk_menu_bar_parent_class)->move_current (menu_shell, direction);
940 * gtk_menu_bar_get_pack_direction:
941 * @menubar: a #GtkMenuBar
943 * Retrieves the current pack direction of the menubar.
944 * See gtk_menu_bar_set_pack_direction().
946 * Return value: the pack direction
951 gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar)
953 g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
954 GTK_PACK_DIRECTION_LTR);
956 return menubar->priv->pack_direction;
960 * gtk_menu_bar_set_pack_direction:
961 * @menubar: a #GtkMenuBar
962 * @pack_dir: a new #GtkPackDirection
964 * Sets how items should be packed inside a menubar.
969 gtk_menu_bar_set_pack_direction (GtkMenuBar *menubar,
970 GtkPackDirection pack_dir)
972 GtkMenuBarPrivate *priv;
975 g_return_if_fail (GTK_IS_MENU_BAR (menubar));
977 priv = menubar->priv;
979 if (priv->pack_direction != pack_dir)
981 priv->pack_direction = pack_dir;
983 gtk_widget_queue_resize (GTK_WIDGET (menubar));
985 for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
986 gtk_widget_queue_resize (GTK_WIDGET (l->data));
988 g_object_notify (G_OBJECT (menubar), "pack-direction");
993 * gtk_menu_bar_get_child_pack_direction:
994 * @menubar: a #GtkMenuBar
996 * Retrieves the current child pack direction of the menubar.
997 * See gtk_menu_bar_set_child_pack_direction().
999 * Return value: the child pack direction
1004 gtk_menu_bar_get_child_pack_direction (GtkMenuBar *menubar)
1006 g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
1007 GTK_PACK_DIRECTION_LTR);
1009 return menubar->priv->child_pack_direction;
1013 * gtk_menu_bar_set_child_pack_direction:
1014 * @menubar: a #GtkMenuBar
1015 * @child_pack_dir: a new #GtkPackDirection
1017 * Sets how widgets should be packed inside the children of a menubar.
1022 gtk_menu_bar_set_child_pack_direction (GtkMenuBar *menubar,
1023 GtkPackDirection child_pack_dir)
1025 GtkMenuBarPrivate *priv;
1028 g_return_if_fail (GTK_IS_MENU_BAR (menubar));
1030 priv = menubar->priv;
1032 if (priv->child_pack_direction != child_pack_dir)
1034 priv->child_pack_direction = child_pack_dir;
1036 gtk_widget_queue_resize (GTK_WIDGET (menubar));
1038 for (l = GTK_MENU_SHELL (menubar)->priv->children; l; l = l->next)
1039 gtk_widget_queue_resize (GTK_WIDGET (l->data));
1041 g_object_notify (G_OBJECT (menubar), "child-pack-direction");
1046 * gtk_menu_bar_new_from_model:
1047 * @model: a #GMenuModel
1049 * Creates a new #GtkMenuBar and populates it with menu items
1050 * and submenus according to @model.
1052 * The created menu items are connected to actions found in the
1053 * #GtkApplicationWindow to which the menu bar belongs - typically
1054 * by means of being contained within the #GtkApplicationWindows
1057 * Returns: a new #GtkMenuBar
1062 gtk_menu_bar_new_from_model (GMenuModel *model)
1066 g_return_val_if_fail (G_IS_MENU_MODEL (model), NULL);
1068 menubar = gtk_menu_bar_new ();
1069 gtk_menu_shell_bind_model (GTK_MENU_SHELL (menubar), model, NULL, FALSE);