Pileus Git - ~andy/gtk/blob - gtk/gtkmenubar.c

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   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.
   8  *
   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.
  13  *
  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.
  18  */
  19
  20 /*
  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/.
  25  */
  26
  27 #define GTK_MENU_INTERNALS
  28
  29 #include <config.h>
  30 #include "gdk/gdkkeysyms.h"
  31 #include "gtkbindings.h"
  32 #include "gtkmain.h"
  33 #include "gtkmarshalers.h"
  34 #include "gtkmenubar.h"
  35 #include "gtkmenuitem.h"
  36 #include "gtksettings.h"
  37 #include "gtkintl.h"
  38 #include "gtkwindow.h"
  39 #include "gtkprivate.h"
  40 #include "gtkalias.h"
  41
  42
  43 #define BORDER_SPACING  0
  44 #define DEFAULT_IPADDING 1
  45
  46 /* Properties */
  47 enum {
  48   PROP_0,
  49   PROP_PACK_DIRECTION,
  50   PROP_CHILD_PACK_DIRECTION
  51 };
  52
  53 typedef struct _GtkMenuBarPrivate GtkMenuBarPrivate;
  54 struct _GtkMenuBarPrivate
  55 {
  56   GtkPackDirection pack_direction;
  57   GtkPackDirection child_pack_direction;
  58 };
  59
  60 #define GTK_MENU_BAR_GET_PRIVATE(o)  \
  61   (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_MENU_BAR, GtkMenuBarPrivate))
  62
  63
  64 static void gtk_menu_bar_class_init        (GtkMenuBarClass *klass);
  65 static void gtk_menu_bar_set_property      (GObject             *object,
  66                                             guint                prop_id,
  67                                             const GValue        *value,
  68                                             GParamSpec          *pspec);
  69 static void gtk_menu_bar_get_property      (GObject             *object,
  70                                             guint                prop_id,
  71                                             GValue              *value,
  72                                             GParamSpec          *pspec);
  73 static void gtk_menu_bar_size_request      (GtkWidget       *widget,
  74                                             GtkRequisition  *requisition);
  75 static void gtk_menu_bar_size_allocate     (GtkWidget       *widget,
  76                                             GtkAllocation   *allocation);
  77 static void gtk_menu_bar_paint             (GtkWidget       *widget,
  78                                             GdkRectangle    *area);
  79 static gint gtk_menu_bar_expose            (GtkWidget       *widget,
  80                                             GdkEventExpose  *event);
  81 static void gtk_menu_bar_hierarchy_changed (GtkWidget       *widget,
  82                                             GtkWidget       *old_toplevel);
  83 static gint gtk_menu_bar_get_popup_delay   (GtkMenuShell    *menu_shell);
  84 static void gtk_menu_bar_move_current      (GtkMenuShell     *menu_shell,
  85                                             GtkMenuDirectionType direction);
  86
  87
  88 static GtkShadowType get_shadow_type   (GtkMenuBar      *menubar);
  89
  90 G_DEFINE_TYPE (GtkMenuBar, gtk_menu_bar, GTK_TYPE_MENU_SHELL)
  91
  92 static void
  93 gtk_menu_bar_init (GtkMenuBar *object)
  94 {
  95 }
  96
  97 static void
  98 gtk_menu_bar_class_init (GtkMenuBarClass *class)
  99 {
 100   GObjectClass *gobject_class;
 101   GtkWidgetClass *widget_class;
 102   GtkMenuShellClass *menu_shell_class;
 103
 104   GtkBindingSet *binding_set;
 105
 106   gobject_class = (GObjectClass*) class;
 107   widget_class = (GtkWidgetClass*) class;
 108   menu_shell_class = (GtkMenuShellClass*) class;
 109
 110   gobject_class->get_property = gtk_menu_bar_get_property;
 111   gobject_class->set_property = gtk_menu_bar_set_property;
 112
 113   widget_class->size_request = gtk_menu_bar_size_request;
 114   widget_class->size_allocate = gtk_menu_bar_size_allocate;
 115   widget_class->expose_event = gtk_menu_bar_expose;
 116   widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
 117
 118   menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
 119   menu_shell_class->get_popup_delay = gtk_menu_bar_get_popup_delay;
 120   menu_shell_class->move_current = gtk_menu_bar_move_current;
 121
 122   binding_set = gtk_binding_set_by_class (class);
 123   gtk_binding_entry_add_signal (binding_set,
 124                                 GDK_Left, 0,
 125                                 "move_current", 1,
 126                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 127                                 GTK_MENU_DIR_PREV);
 128   gtk_binding_entry_add_signal (binding_set,
 129                                 GDK_KP_Left, 0,
 130                                 "move_current", 1,
 131                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 132                                 GTK_MENU_DIR_PREV);
 133   gtk_binding_entry_add_signal (binding_set,
 134                                 GDK_Right, 0,
 135                                 "move_current", 1,
 136                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 137                                 GTK_MENU_DIR_NEXT);
 138   gtk_binding_entry_add_signal (binding_set,
 139                                 GDK_KP_Right, 0,
 140                                 "move_current", 1,
 141                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 142                                 GTK_MENU_DIR_NEXT);
 143   gtk_binding_entry_add_signal (binding_set,
 144                                 GDK_Up, 0,
 145                                 "move_current", 1,
 146                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 147                                 GTK_MENU_DIR_PARENT);
 148   gtk_binding_entry_add_signal (binding_set,
 149                                 GDK_KP_Up, 0,
 150                                 "move_current", 1,
 151                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 152                                 GTK_MENU_DIR_PARENT);
 153   gtk_binding_entry_add_signal (binding_set,
 154                                 GDK_Down, 0,
 155                                 "move_current", 1,
 156                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 157                                 GTK_MENU_DIR_CHILD);
 158   gtk_binding_entry_add_signal (binding_set,
 159                                 GDK_KP_Down, 0,
 160                                 "move_current", 1,
 161                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 162                                 GTK_MENU_DIR_CHILD);
 163
 164   /**
 165    * GtkMenuBar:pack-direction:
 166    *
 167    * The pack direction of the menubar. It determines how
 168    * menuitems are arranged in the menubar.
 169    *
 170    * Since: 2.8
 171    */
 172   g_object_class_install_property (gobject_class,
 173                                    PROP_PACK_DIRECTION,
 174                                    g_param_spec_enum ("pack-direction",
 175                                                       P_("Pack direction"),
 176                                                       P_("The pack direction of the menubar"),
 177                                                       GTK_TYPE_PACK_DIRECTION,
 178                                                       GTK_PACK_DIRECTION_LTR,
 179                                                       GTK_PARAM_READWRITE));
 180
 181   /**
 182    * GtkMenuBar:child-pack-direction:
 183    *
 184    * The pack direction of the menubar. It determines how
 185    * the widgets contained in child menuitems are arranged.
 186    *
 187    * Since: 2.8
 188    */
 189   g_object_class_install_property (gobject_class,
 190                                    PROP_CHILD_PACK_DIRECTION,
 191                                    g_param_spec_enum ("child-pack-direction",
 192                                                       P_("Child Pack direction"),
 193                                                       P_("The child pack direction of the menubar"),
 194                                                       GTK_TYPE_PACK_DIRECTION,
 195                                                       GTK_PACK_DIRECTION_LTR,
 196                                                       GTK_PARAM_READWRITE));
 197
 198
 199   gtk_widget_class_install_style_property (widget_class,
 200                                            g_param_spec_enum ("shadow-type",
 201                                                               P_("Shadow type"),
 202                                                               P_("Style of bevel around the menubar"),
 203                                                               GTK_TYPE_SHADOW_TYPE,
 204                                                               GTK_SHADOW_OUT,
 205                                                               GTK_PARAM_READABLE));
 206
 207   gtk_widget_class_install_style_property (widget_class,
 208                                            g_param_spec_int ("internal-padding",
 209                                                              P_("Internal padding"),
 210                                                              P_("Amount of border space between the menubar shadow and the menu items"),
 211                                                              0,
 212                                                              G_MAXINT,
 213                                                              DEFAULT_IPADDING,
 214                                                              GTK_PARAM_READABLE));
 215
 216   gtk_settings_install_property (g_param_spec_int ("gtk-menu-bar-popup-delay",
 217                                                    P_("Delay before drop down menus appear"),
 218                                                    P_("Delay before the submenus of a menu bar appear"),
 219                                                    0,
 220                                                    G_MAXINT,
 221                                                    0,
 222                                                    GTK_PARAM_READWRITE));
 223
 224   g_type_class_add_private (gobject_class, sizeof (GtkMenuBarPrivate));
 225 }
 226
 227 GtkWidget*
 228 gtk_menu_bar_new (void)
 229 {
 230   return g_object_new (GTK_TYPE_MENU_BAR, NULL);
 231 }
 232
 233 static void
 234 gtk_menu_bar_set_property (GObject      *object,
 235                            guint         prop_id,
 236                            const GValue *value,
 237                            GParamSpec   *pspec)
 238 {
 239   GtkMenuBar *menubar = GTK_MENU_BAR (object);
 240
 241   switch (prop_id)
 242     {
 243     case PROP_PACK_DIRECTION:
 244       gtk_menu_bar_set_pack_direction (menubar, g_value_get_enum (value));
 245       break;
 246     case PROP_CHILD_PACK_DIRECTION:
 247       gtk_menu_bar_set_child_pack_direction (menubar, g_value_get_enum (value));
 248       break;
 249     default:
 250       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 251       break;
 252     }
 253 }
 254
 255 static void
 256 gtk_menu_bar_get_property (GObject    *object,
 257                            guint       prop_id,
 258                            GValue     *value,
 259                            GParamSpec *pspec)
 260 {
 261   GtkMenuBar *menubar = GTK_MENU_BAR (object);
 262
 263   switch (prop_id)
 264     {
 265     case PROP_PACK_DIRECTION:
 266       g_value_set_enum (value, gtk_menu_bar_get_pack_direction (menubar));
 267       break;
 268     case PROP_CHILD_PACK_DIRECTION:
 269       g_value_set_enum (value, gtk_menu_bar_get_child_pack_direction (menubar));
 270       break;
 271     default:
 272       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 273       break;
 274     }
 275 }
 276
 277 static void
 278 gtk_menu_bar_size_request (GtkWidget      *widget,
 279                            GtkRequisition *requisition)
 280 {
 281   GtkMenuBar *menu_bar;
 282   GtkMenuBarPrivate *priv;
 283   GtkMenuShell *menu_shell;
 284   GtkWidget *child;
 285   GList *children;
 286   gint nchildren;
 287   GtkRequisition child_requisition;
 288   gint ipadding;
 289
 290   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 291   g_return_if_fail (requisition != NULL);
 292
 293   requisition->width = 0;
 294   requisition->height = 0;
 295
 296   if (GTK_WIDGET_VISIBLE (widget))
 297     {
 298       menu_bar = GTK_MENU_BAR (widget);
 299       menu_shell = GTK_MENU_SHELL (widget);
 300       priv = GTK_MENU_BAR_GET_PRIVATE (menu_bar);
 301
 302       nchildren = 0;
 303       children = menu_shell->children;
 304
 305       while (children)
 306         {
 307           child = children->data;
 308           children = children->next;
 309
 310           if (GTK_WIDGET_VISIBLE (child))
 311             {
 312               gint toggle_size;
 313
 314               GTK_MENU_ITEM (child)->show_submenu_indicator = FALSE;
 315               gtk_widget_size_request (child, &child_requisition);
 316               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 317                                                  &toggle_size);
 318
 319               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 320                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 321                 child_requisition.width += toggle_size;
 322               else
 323                 child_requisition.height += toggle_size;
 324
 325               if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
 326                   priv->pack_direction == GTK_PACK_DIRECTION_RTL)
 327                 {
 328                   requisition->width += child_requisition.width;
 329                   requisition->height = MAX (requisition->height, child_requisition.height);
 330                 }
 331               else
 332                 {
 333                   requisition->width = MAX (requisition->width, child_requisition.width);
 334                   requisition->height += child_requisition.height;
 335                 }
 336               nchildren += 1;
 337             }
 338         }
 339
 340       gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
 341
 342       requisition->width += (GTK_CONTAINER (menu_bar)->border_width +
 343                              ipadding +
 344                              BORDER_SPACING) * 2;
 345       requisition->height += (GTK_CONTAINER (menu_bar)->border_width +
 346                               ipadding +
 347                               BORDER_SPACING) * 2;
 348
 349       if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
 350         {
 351           requisition->width += widget->style->xthickness * 2;
 352           requisition->height += widget->style->ythickness * 2;
 353         }
 354     }
 355 }
 356
 357 static void
 358 gtk_menu_bar_size_allocate (GtkWidget     *widget,
 359                             GtkAllocation *allocation)
 360 {
 361   GtkMenuBar *menu_bar;
 362   GtkMenuShell *menu_shell;
 363   GtkMenuBarPrivate *priv;
 364   GtkWidget *child;
 365   GList *children;
 366   GtkAllocation child_allocation;
 367   GtkRequisition child_requisition;
 368   guint offset;
 369   GtkTextDirection direction;
 370   gint ltr_x, ltr_y;
 371   gint ipadding;
 372
 373   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 374   g_return_if_fail (allocation != NULL);
 375
 376   menu_bar = GTK_MENU_BAR (widget);
 377   menu_shell = GTK_MENU_SHELL (widget);
 378   priv = GTK_MENU_BAR_GET_PRIVATE (menu_bar);
 379
 380   direction = gtk_widget_get_direction (widget);
 381
 382   widget->allocation = *allocation;
 383   if (GTK_WIDGET_REALIZED (widget))
 384     gdk_window_move_resize (widget->window,
 385                             allocation->x, allocation->y,
 386                             allocation->width, allocation->height);
 387
 388   gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
 389
 390   if (menu_shell->children)
 391     {
 392       child_allocation.x = (GTK_CONTAINER (menu_bar)->border_width +
 393                             ipadding +
 394                             BORDER_SPACING);
 395       child_allocation.y = (GTK_CONTAINER (menu_bar)->border_width +
 396                             BORDER_SPACING);
 397
 398       if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
 399         {
 400           child_allocation.x += widget->style->xthickness;
 401           child_allocation.y += widget->style->ythickness;
 402         }
 403
 404       if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
 405           priv->pack_direction == GTK_PACK_DIRECTION_RTL)
 406         {
 407           child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
 408
 409           offset = child_allocation.x;  /* Window edge to menubar start */
 410           ltr_x = child_allocation.x;
 411
 412           children = menu_shell->children;
 413           while (children)
 414             {
 415               gint toggle_size;
 416
 417               child = children->data;
 418               children = children->next;
 419
 420               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 421                                                  &toggle_size);
 422               gtk_widget_get_child_requisition (child, &child_requisition);
 423
 424               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 425                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 426                 child_requisition.width += toggle_size;
 427               else
 428                 child_requisition.height += toggle_size;
 429
 430               /* Support for the right justified help menu */
 431               if ((children == NULL) && (GTK_IS_MENU_ITEM(child))
 432                   && (GTK_MENU_ITEM(child)->right_justify))
 433                 {
 434                   ltr_x = allocation->width -
 435                     child_requisition.width - offset;
 436                 }
 437               if (GTK_WIDGET_VISIBLE (child))
 438                 {
 439                   if ((direction == GTK_TEXT_DIR_LTR) == (priv->pack_direction == GTK_PACK_DIRECTION_LTR))
 440                     child_allocation.x = ltr_x;
 441                   else
 442                     child_allocation.x = allocation->width -
 443                       child_requisition.width - ltr_x;
 444
 445                   child_allocation.width = child_requisition.width;
 446
 447                   gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
 448                                                       toggle_size);
 449                   gtk_widget_size_allocate (child, &child_allocation);
 450
 451                   ltr_x += child_allocation.width;
 452                 }
 453             }
 454         }
 455       else
 456         {
 457           child_allocation.width = MAX (1, (gint)allocation->width - child_allocation.x * 2);
 458
 459           offset = child_allocation.y;  /* Window edge to menubar start */
 460           ltr_y = child_allocation.y;
 461
 462           children = menu_shell->children;
 463           while (children)
 464             {
 465               gint toggle_size;
 466
 467               child = children->data;
 468               children = children->next;
 469
 470               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 471                                                  &toggle_size);
 472               gtk_widget_get_child_requisition (child, &child_requisition);
 473
 474               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 475                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 476                 child_requisition.width += toggle_size;
 477               else
 478                 child_requisition.height += toggle_size;
 479
 480               /* Support for the right justified help menu */
 481               if ((children == NULL) && (GTK_IS_MENU_ITEM(child))
 482                   && (GTK_MENU_ITEM(child)->right_justify))
 483                 {
 484                   ltr_y = allocation->height -
 485                     child_requisition.height - offset;
 486                 }
 487               if (GTK_WIDGET_VISIBLE (child))
 488                 {
 489                   if ((direction == GTK_TEXT_DIR_LTR) ==
 490                       (priv->pack_direction == GTK_PACK_DIRECTION_TTB))
 491                     child_allocation.y = ltr_y;
 492                   else
 493                     child_allocation.y = allocation->height -
 494                       child_requisition.height - ltr_y;
 495                   child_allocation.height = child_requisition.height;
 496
 497                   gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
 498                                                       toggle_size);
 499                   gtk_widget_size_allocate (child, &child_allocation);
 500
 501                   ltr_y += child_allocation.height;
 502                 }
 503             }
 504         }
 505     }
 506 }
 507
 508 static void
 509 gtk_menu_bar_paint (GtkWidget *widget, GdkRectangle *area)
 510 {
 511   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 512
 513   if (GTK_WIDGET_DRAWABLE (widget))
 514     {
 515       gint border;
 516
 517       border = GTK_CONTAINER (widget)->border_width;
 518
 519       gtk_paint_box (widget->style,
 520                      widget->window,
 521                      GTK_WIDGET_STATE (widget),
 522                      get_shadow_type (GTK_MENU_BAR (widget)),
 523                      area, widget, "menubar",
 524                      border, border,
 525                      widget->allocation.width - border * 2,
 526                      widget->allocation.height - border * 2);
 527     }
 528 }
 529
 530 static gint
 531 gtk_menu_bar_expose (GtkWidget      *widget,
 532                      GdkEventExpose *event)
 533 {
 534   g_return_val_if_fail (GTK_IS_MENU_BAR (widget), FALSE);
 535   g_return_val_if_fail (event != NULL, FALSE);
 536
 537   if (GTK_WIDGET_DRAWABLE (widget))
 538     {
 539       gtk_menu_bar_paint (widget, &event->area);
 540
 541       (* GTK_WIDGET_CLASS (gtk_menu_bar_parent_class)->expose_event) (widget, event);
 542     }
 543
 544   return FALSE;
 545 }
 546
 547 static GList *
 548 get_menu_bars (GtkWindow *window)
 549 {
 550   return g_object_get_data (G_OBJECT (window), "gtk-menu-bar-list");
 551 }
 552
 553 static GList *
 554 get_viewable_menu_bars (GtkWindow *window)
 555 {
 556   GList *menu_bars;
 557   GList *viewable_menu_bars = NULL;
 558
 559   for (menu_bars = get_menu_bars (window);
 560        menu_bars;
 561        menu_bars = menu_bars->next)
 562     {
 563       GtkWidget *widget = menu_bars->data;
 564       gboolean viewable = TRUE;
 565
 566       while (widget)
 567         {
 568           if (!GTK_WIDGET_MAPPED (widget))
 569             viewable = FALSE;
 570
 571           widget = widget->parent;
 572         }
 573
 574       if (viewable)
 575         viewable_menu_bars = g_list_prepend (viewable_menu_bars, menu_bars->data);
 576     }
 577
 578   return g_list_reverse (viewable_menu_bars);
 579 }
 580
 581 static void
 582 set_menu_bars (GtkWindow *window,
 583                GList     *menubars)
 584 {
 585   g_object_set_data (G_OBJECT (window), I_("gtk-menu-bar-list"), menubars);
 586 }
 587
 588 static gboolean
 589 window_key_press_handler (GtkWidget   *widget,
 590                           GdkEventKey *event,
 591                           gpointer     data)
 592 {
 593   gchar *accel = NULL;
 594   gboolean retval = FALSE;
 595
 596   g_object_get (gtk_widget_get_settings (widget),
 597                 "gtk-menu-bar-accel",
 598                 &accel,
 599                 NULL);
 600
 601   if (accel)
 602     {
 603       guint keyval = 0;
 604       GdkModifierType mods = 0;
 605
 606       gtk_accelerator_parse (accel, &keyval, &mods);
 607
 608       if (keyval == 0)
 609         g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
 610
 611       /* FIXME this is wrong, needs to be in the global accel resolution
 612        * thing, to properly consider i18n etc., but that probably requires
 613        * AccelGroup changes etc.
 614        */
 615       if (event->keyval == keyval &&
 616           ((event->state & gtk_accelerator_get_default_mod_mask ()) ==
 617            (mods & gtk_accelerator_get_default_mod_mask ())))
 618         {
 619           GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (widget));
 620           GList *menubars;
 621
 622           menubars = _gtk_container_focus_sort (GTK_CONTAINER (widget), tmp_menubars,
 623                                                 GTK_DIR_TAB_FORWARD, NULL);
 624           g_list_free (tmp_menubars);
 625
 626           if (menubars)
 627             {
 628               GtkMenuShell *menu_shell = GTK_MENU_SHELL (menubars->data);
 629
 630               _gtk_menu_shell_activate (menu_shell);
 631               gtk_menu_shell_select_first (menu_shell, FALSE);
 632
 633               g_list_free (menubars);
 634
 635               retval = TRUE;
 636             }
 637         }
 638
 639       g_free (accel);
 640     }
 641
 642   return retval;
 643 }
 644
 645 static void
 646 add_to_window (GtkWindow  *window,
 647                GtkMenuBar *menubar)
 648 {
 649   GList *menubars = get_menu_bars (window);
 650
 651   if (!menubars)
 652     {
 653       g_signal_connect (window,
 654                         "key_press_event",
 655                         G_CALLBACK (window_key_press_handler),
 656                         NULL);
 657     }
 658
 659   set_menu_bars (window, g_list_prepend (menubars, menubar));
 660 }
 661
 662 static void
 663 remove_from_window (GtkWindow  *window,
 664                     GtkMenuBar *menubar)
 665 {
 666   GList *menubars = get_menu_bars (window);
 667
 668   menubars = g_object_get_data (G_OBJECT (window),
 669                                     "gtk-menu-bar-list");
 670
 671   menubars = g_list_remove (menubars, menubar);
 672
 673   if (!menubars)
 674     {
 675       g_signal_handlers_disconnect_by_func (window,
 676                                             window_key_press_handler,
 677                                             NULL);
 678     }
 679
 680   set_menu_bars (window, menubars);
 681 }
 682
 683 static void
 684 gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
 685                                 GtkWidget *old_toplevel)
 686 {
 687   GtkWidget *toplevel;
 688   GtkMenuBar *menubar;
 689
 690   menubar = GTK_MENU_BAR (widget);
 691
 692   toplevel = gtk_widget_get_toplevel (widget);
 693
 694   if (old_toplevel)
 695     remove_from_window (GTK_WINDOW (old_toplevel), menubar);
 696
 697   if (GTK_WIDGET_TOPLEVEL (toplevel))
 698     add_to_window (GTK_WINDOW (toplevel), menubar);
 699 }
 700
 701 /**
 702  * _gtk_menu_bar_cycle_focus:
 703  * @menubar: a #GtkMenuBar
 704  * @dir: direction in which to cycle the focus
 705  *
 706  * Move the focus between menubars in the toplevel.
 707  **/
 708 void
 709 _gtk_menu_bar_cycle_focus (GtkMenuBar       *menubar,
 710                            GtkDirectionType  dir)
 711 {
 712   GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menubar));
 713   GtkMenuItem *to_activate = NULL;
 714
 715   if (GTK_WIDGET_TOPLEVEL (toplevel))
 716     {
 717       GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (toplevel));
 718       GList *menubars;
 719       GList *current;
 720
 721       menubars = _gtk_container_focus_sort (GTK_CONTAINER (toplevel), tmp_menubars,
 722                                             dir, GTK_WIDGET (menubar));
 723       g_list_free (tmp_menubars);
 724
 725       if (menubars)
 726         {
 727           current = g_list_find (menubars, menubar);
 728
 729           if (current && current->next)
 730             {
 731               GtkMenuShell *new_menushell = GTK_MENU_SHELL (current->next->data);
 732               if (new_menushell->children)
 733                 to_activate = new_menushell->children->data;
 734             }
 735         }
 736
 737       g_list_free (menubars);
 738     }
 739
 740   gtk_menu_shell_cancel (GTK_MENU_SHELL (menubar));
 741
 742   if (to_activate)
 743     g_signal_emit_by_name (to_activate, "activate_item");
 744 }
 745
 746 static GtkShadowType
 747 get_shadow_type (GtkMenuBar *menubar)
 748 {
 749   GtkShadowType shadow_type = GTK_SHADOW_OUT;
 750
 751   gtk_widget_style_get (GTK_WIDGET (menubar),
 752                         "shadow-type", &shadow_type,
 753                         NULL);
 754
 755   return shadow_type;
 756 }
 757
 758 static gint
 759 gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell)
 760 {
 761   gint popup_delay;
 762
 763   g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
 764                 "gtk-menu-bar-popup-delay", &popup_delay,
 765                 NULL);
 766
 767   return popup_delay;
 768 }
 769
 770 static void
 771 gtk_menu_bar_move_current (GtkMenuShell         *menu_shell,
 772                            GtkMenuDirectionType direction)
 773 {
 774   GtkMenuBar *menubar = GTK_MENU_BAR (menu_shell);
 775   GtkTextDirection text_dir;
 776   GtkPackDirection pack_dir;
 777
 778   text_dir = gtk_widget_get_direction (GTK_WIDGET (menubar));
 779   pack_dir = gtk_menu_bar_get_pack_direction (menubar);
 780
 781   if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
 782      {
 783       if ((text_dir == GTK_TEXT_DIR_RTL) == (pack_dir == GTK_PACK_DIRECTION_LTR))
 784         {
 785           switch (direction)
 786             {
 787             case GTK_MENU_DIR_PREV:
 788               direction = GTK_MENU_DIR_NEXT;
 789               break;
 790             case GTK_MENU_DIR_NEXT:
 791               direction = GTK_MENU_DIR_PREV;
 792               break;
 793             default: ;
 794             }
 795         }
 796     }
 797   else
 798     {
 799       switch (direction)
 800         {
 801         case GTK_MENU_DIR_PARENT:
 802           if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
 803             direction = GTK_MENU_DIR_PREV;
 804           else
 805             direction = GTK_MENU_DIR_NEXT;
 806           break;
 807         case GTK_MENU_DIR_CHILD:
 808           if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
 809             direction = GTK_MENU_DIR_NEXT;
 810           else
 811             direction = GTK_MENU_DIR_PREV;
 812           break;
 813         case GTK_MENU_DIR_PREV:
 814           if (text_dir == GTK_TEXT_DIR_RTL)
 815             direction = GTK_MENU_DIR_CHILD;
 816           else
 817             direction = GTK_MENU_DIR_PARENT;
 818           break;
 819         case GTK_MENU_DIR_NEXT:
 820           if (text_dir == GTK_TEXT_DIR_RTL)
 821             direction = GTK_MENU_DIR_PARENT;
 822           else
 823             direction = GTK_MENU_DIR_CHILD;
 824           break;
 825         default: ;
 826         }
 827     }
 828
 829   GTK_MENU_SHELL_CLASS (gtk_menu_bar_parent_class)->move_current (menu_shell, direction);
 830 }
 831
 832 /**
 833  * gtk_menu_bar_get_pack_direction:
 834  * @menubar: a #GtkMenuBar
 835  *
 836  * Retrieves the current pack direction of the menubar. See
 837  * gtk_menu_bar_set_pack_direction().
 838  *
 839  * Return value: the pack direction
 840  *
 841  * Since: 2.8
 842  **/
 843 GtkPackDirection
 844 gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar)
 845 {
 846   GtkMenuBarPrivate *priv;
 847
 848   g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
 849                         GTK_PACK_DIRECTION_LTR);
 850
 851   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 852
 853   return priv->pack_direction;
 854 }
 855
 856 /**
 857  * gtk_menu_bar_set_pack_direction:
 858  * @menubar: a #GtkMenuBar.
 859  * @pack_dir: a new #GtkPackDirection.
 860  *
 861  * Sets how items should be packed inside a menubar.
 862  *
 863  * Since: 2.8
 864  **/
 865 void gtk_menu_bar_set_pack_direction (GtkMenuBar       *menubar,
 866                                       GtkPackDirection  pack_dir)
 867 {
 868   GtkMenuBarPrivate *priv;
 869   GList *l;
 870
 871   g_return_if_fail (GTK_IS_MENU_BAR (menubar));
 872
 873   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 874
 875   if (priv->pack_direction != pack_dir)
 876     {
 877       priv->pack_direction = pack_dir;
 878
 879       gtk_widget_queue_resize (GTK_WIDGET (menubar));
 880
 881       for (l = GTK_MENU_SHELL (menubar)->children; l; l = l->next)
 882         gtk_widget_queue_resize (GTK_WIDGET (l->data));
 883
 884       g_object_notify (G_OBJECT (menubar), "pack-direction");
 885     }
 886 }
 887
 888 /**
 889  * gtk_menu_bar_get_child_pack_direction:
 890  * @menubar: a #GtkMenuBar
 891  *
 892  * Retrieves the current child pack direction of the menubar. See
 893  * gtk_menu_bar_set_child_pack_direction().
 894  *
 895  * Return value: the child pack direction
 896  *
 897  * Since: 2.8
 898  **/
 899 GtkPackDirection
 900 gtk_menu_bar_get_child_pack_direction (GtkMenuBar *menubar)
 901 {
 902   GtkMenuBarPrivate *priv;
 903
 904   g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
 905                         GTK_PACK_DIRECTION_LTR);
 906
 907   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 908
 909   return priv->child_pack_direction;
 910 }
 911
 912 /**
 913  * gtk_menu_bar_set_child_pack_direction:
 914  * @menubar: a #GtkMenuBar.
 915  * @child_pack_dir: a new #GtkPackDirection.
 916  *
 917  * Sets how widgets should be packed inside the children of a menubar.
 918  *
 919  * Since: 2.8
 920  **/
 921 void gtk_menu_bar_set_child_pack_direction (GtkMenuBar       *menubar,
 922                                             GtkPackDirection  child_pack_dir)
 923 {
 924   GtkMenuBarPrivate *priv;
 925   GList *l;
 926
 927   g_return_if_fail (GTK_IS_MENU_BAR (menubar));
 928
 929   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 930
 931   if (priv->child_pack_direction != child_pack_dir)
 932     {
 933       priv->child_pack_direction = child_pack_dir;
 934
 935       gtk_widget_queue_resize (GTK_WIDGET (menubar));
 936
 937       for (l = GTK_MENU_SHELL (menubar)->children; l; l = l->next)
 938         gtk_widget_queue_resize (GTK_WIDGET (l->data));
 939
 940       g_object_notify (G_OBJECT (menubar), "child-pack-direction");
 941     }
 942 }
 943
 944 #define __GTK_MENU_BAR_C__
 945 #include "gtkaliasdef.c"