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 static GtkMenuShellClass *parent_class = NULL;
  91
  92 GType
  93 gtk_menu_bar_get_type (void)
  94 {
  95   static GType menu_bar_type = 0;
  96
  97   if (!menu_bar_type)
  98     {
  99       static const GTypeInfo menu_bar_info =
 100       {
 101         sizeof (GtkMenuBarClass),
 102         NULL,           /* base_init */
 103         NULL,           /* base_finalize */
 104         (GClassInitFunc) gtk_menu_bar_class_init,
 105         NULL,           /* class_finalize */
 106         NULL,           /* class_data */
 107         sizeof (GtkMenuBar),
 108         0,              /* n_preallocs */
 109         NULL,           /* instance_init */
 110       };
 111
 112       menu_bar_type = g_type_register_static (GTK_TYPE_MENU_SHELL, I_("GtkMenuBar"),
 113                                               &menu_bar_info, 0);
 114     }
 115
 116   return menu_bar_type;
 117 }
 118
 119 static void
 120 gtk_menu_bar_class_init (GtkMenuBarClass *class)
 121 {
 122   GObjectClass *gobject_class;
 123   GtkWidgetClass *widget_class;
 124   GtkMenuShellClass *menu_shell_class;
 125
 126   GtkBindingSet *binding_set;
 127
 128   parent_class = g_type_class_peek_parent (class);
 129
 130   gobject_class = (GObjectClass*) class;
 131   widget_class = (GtkWidgetClass*) class;
 132   menu_shell_class = (GtkMenuShellClass*) class;
 133
 134   gobject_class->get_property = gtk_menu_bar_get_property;
 135   gobject_class->set_property = gtk_menu_bar_set_property;
 136
 137   widget_class->size_request = gtk_menu_bar_size_request;
 138   widget_class->size_allocate = gtk_menu_bar_size_allocate;
 139   widget_class->expose_event = gtk_menu_bar_expose;
 140   widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
 141
 142   menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
 143   menu_shell_class->get_popup_delay = gtk_menu_bar_get_popup_delay;
 144   menu_shell_class->move_current = gtk_menu_bar_move_current;
 145
 146   binding_set = gtk_binding_set_by_class (class);
 147   gtk_binding_entry_add_signal (binding_set,
 148                                 GDK_Left, 0,
 149                                 "move_current", 1,
 150                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 151                                 GTK_MENU_DIR_PREV);
 152   gtk_binding_entry_add_signal (binding_set,
 153                                 GDK_KP_Left, 0,
 154                                 "move_current", 1,
 155                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 156                                 GTK_MENU_DIR_PREV);
 157   gtk_binding_entry_add_signal (binding_set,
 158                                 GDK_Right, 0,
 159                                 "move_current", 1,
 160                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 161                                 GTK_MENU_DIR_NEXT);
 162   gtk_binding_entry_add_signal (binding_set,
 163                                 GDK_KP_Right, 0,
 164                                 "move_current", 1,
 165                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 166                                 GTK_MENU_DIR_NEXT);
 167   gtk_binding_entry_add_signal (binding_set,
 168                                 GDK_Up, 0,
 169                                 "move_current", 1,
 170                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 171                                 GTK_MENU_DIR_PARENT);
 172   gtk_binding_entry_add_signal (binding_set,
 173                                 GDK_KP_Up, 0,
 174                                 "move_current", 1,
 175                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 176                                 GTK_MENU_DIR_PARENT);
 177   gtk_binding_entry_add_signal (binding_set,
 178                                 GDK_Down, 0,
 179                                 "move_current", 1,
 180                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 181                                 GTK_MENU_DIR_CHILD);
 182   gtk_binding_entry_add_signal (binding_set,
 183                                 GDK_KP_Down, 0,
 184                                 "move_current", 1,
 185                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 186                                 GTK_MENU_DIR_CHILD);
 187
 188   /**
 189    * GtkMenuBar:pack-direction:
 190    *
 191    * The pack direction of the menubar. It determines how
 192    * menuitems are arranged in the menubar.
 193    *
 194    * Since: 2.8
 195    */
 196   g_object_class_install_property (gobject_class,
 197                                    PROP_PACK_DIRECTION,
 198                                    g_param_spec_enum ("pack-direction",
 199                                                       P_("Pack direction"),
 200                                                       P_("The pack direction of the menubar"),
 201                                                       GTK_TYPE_PACK_DIRECTION,
 202                                                       GTK_PACK_DIRECTION_LTR,
 203                                                       GTK_PARAM_READWRITE));
 204
 205   /**
 206    * GtkMenuBar:child-pack-direction:
 207    *
 208    * The pack direction of the menubar. It determines how
 209    * the widgets contained in child menuitems are arranged.
 210    *
 211    * Since: 2.8
 212    */
 213   g_object_class_install_property (gobject_class,
 214                                    PROP_CHILD_PACK_DIRECTION,
 215                                    g_param_spec_enum ("child-pack-direction",
 216                                                       P_("Child Pack direction"),
 217                                                       P_("The child pack direction of the menubar"),
 218                                                       GTK_TYPE_PACK_DIRECTION,
 219                                                       GTK_PACK_DIRECTION_LTR,
 220                                                       GTK_PARAM_READWRITE));
 221
 222
 223   gtk_widget_class_install_style_property (widget_class,
 224                                            g_param_spec_enum ("shadow-type",
 225                                                               P_("Shadow type"),
 226                                                               P_("Style of bevel around the menubar"),
 227                                                               GTK_TYPE_SHADOW_TYPE,
 228                                                               GTK_SHADOW_OUT,
 229                                                               GTK_PARAM_READABLE));
 230
 231   gtk_widget_class_install_style_property (widget_class,
 232                                            g_param_spec_int ("internal-padding",
 233                                                              P_("Internal padding"),
 234                                                              P_("Amount of border space between the menubar shadow and the menu items"),
 235                                                              0,
 236                                                              G_MAXINT,
 237                                                              DEFAULT_IPADDING,
 238                                                              GTK_PARAM_READABLE));
 239
 240   gtk_settings_install_property (g_param_spec_int ("gtk-menu-bar-popup-delay",
 241                                                    P_("Delay before drop down menus appear"),
 242                                                    P_("Delay before the submenus of a menu bar appear"),
 243                                                    0,
 244                                                    G_MAXINT,
 245                                                    0,
 246                                                    GTK_PARAM_READWRITE));
 247
 248   g_type_class_add_private (gobject_class, sizeof (GtkMenuBarPrivate));
 249 }
 250
 251 GtkWidget*
 252 gtk_menu_bar_new (void)
 253 {
 254   return g_object_new (GTK_TYPE_MENU_BAR, NULL);
 255 }
 256
 257 static void
 258 gtk_menu_bar_set_property (GObject      *object,
 259                            guint         prop_id,
 260                            const GValue *value,
 261                            GParamSpec   *pspec)
 262 {
 263   GtkMenuBar *menubar = GTK_MENU_BAR (object);
 264
 265   switch (prop_id)
 266     {
 267     case PROP_PACK_DIRECTION:
 268       gtk_menu_bar_set_pack_direction (menubar, g_value_get_enum (value));
 269       break;
 270     case PROP_CHILD_PACK_DIRECTION:
 271       gtk_menu_bar_set_child_pack_direction (menubar, g_value_get_enum (value));
 272       break;
 273     default:
 274       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 275       break;
 276     }
 277 }
 278
 279 static void
 280 gtk_menu_bar_get_property (GObject    *object,
 281                            guint       prop_id,
 282                            GValue     *value,
 283                            GParamSpec *pspec)
 284 {
 285   GtkMenuBar *menubar = GTK_MENU_BAR (object);
 286
 287   switch (prop_id)
 288     {
 289     case PROP_PACK_DIRECTION:
 290       g_value_set_enum (value, gtk_menu_bar_get_pack_direction (menubar));
 291       break;
 292     case PROP_CHILD_PACK_DIRECTION:
 293       g_value_set_enum (value, gtk_menu_bar_get_child_pack_direction (menubar));
 294       break;
 295     default:
 296       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 297       break;
 298     }
 299 }
 300
 301 static void
 302 gtk_menu_bar_size_request (GtkWidget      *widget,
 303                            GtkRequisition *requisition)
 304 {
 305   GtkMenuBar *menu_bar;
 306   GtkMenuBarPrivate *priv;
 307   GtkMenuShell *menu_shell;
 308   GtkWidget *child;
 309   GList *children;
 310   gint nchildren;
 311   GtkRequisition child_requisition;
 312   gint ipadding;
 313
 314   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 315   g_return_if_fail (requisition != NULL);
 316
 317   requisition->width = 0;
 318   requisition->height = 0;
 319
 320   if (GTK_WIDGET_VISIBLE (widget))
 321     {
 322       menu_bar = GTK_MENU_BAR (widget);
 323       menu_shell = GTK_MENU_SHELL (widget);
 324       priv = GTK_MENU_BAR_GET_PRIVATE (menu_bar);
 325
 326       nchildren = 0;
 327       children = menu_shell->children;
 328
 329       while (children)
 330         {
 331           child = children->data;
 332           children = children->next;
 333
 334           if (GTK_WIDGET_VISIBLE (child))
 335             {
 336               gint toggle_size;
 337
 338               GTK_MENU_ITEM (child)->show_submenu_indicator = FALSE;
 339               gtk_widget_size_request (child, &child_requisition);
 340               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 341                                                  &toggle_size);
 342
 343               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 344                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 345                 child_requisition.width += toggle_size;
 346               else
 347                 child_requisition.height += toggle_size;
 348
 349               if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
 350                   priv->pack_direction == GTK_PACK_DIRECTION_RTL)
 351                 {
 352                   requisition->width += child_requisition.width;
 353                   requisition->height = MAX (requisition->height, child_requisition.height);
 354                 }
 355               else
 356                 {
 357                   requisition->width = MAX (requisition->width, child_requisition.width);
 358                   requisition->height += child_requisition.height;
 359                 }
 360               nchildren += 1;
 361             }
 362         }
 363
 364       gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
 365
 366       requisition->width += (GTK_CONTAINER (menu_bar)->border_width +
 367                              ipadding +
 368                              BORDER_SPACING) * 2;
 369       requisition->height += (GTK_CONTAINER (menu_bar)->border_width +
 370                               ipadding +
 371                               BORDER_SPACING) * 2;
 372
 373       if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
 374         {
 375           requisition->width += widget->style->xthickness * 2;
 376           requisition->height += widget->style->ythickness * 2;
 377         }
 378     }
 379 }
 380
 381 static void
 382 gtk_menu_bar_size_allocate (GtkWidget     *widget,
 383                             GtkAllocation *allocation)
 384 {
 385   GtkMenuBar *menu_bar;
 386   GtkMenuShell *menu_shell;
 387   GtkMenuBarPrivate *priv;
 388   GtkWidget *child;
 389   GList *children;
 390   GtkAllocation child_allocation;
 391   GtkRequisition child_requisition;
 392   guint offset;
 393   GtkTextDirection direction;
 394   gint ltr_x, ltr_y;
 395   gint ipadding;
 396
 397   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 398   g_return_if_fail (allocation != NULL);
 399
 400   menu_bar = GTK_MENU_BAR (widget);
 401   menu_shell = GTK_MENU_SHELL (widget);
 402   priv = GTK_MENU_BAR_GET_PRIVATE (menu_bar);
 403
 404   direction = gtk_widget_get_direction (widget);
 405
 406   widget->allocation = *allocation;
 407   if (GTK_WIDGET_REALIZED (widget))
 408     gdk_window_move_resize (widget->window,
 409                             allocation->x, allocation->y,
 410                             allocation->width, allocation->height);
 411
 412   gtk_widget_style_get (widget, "internal-padding", &ipadding, NULL);
 413
 414   if (menu_shell->children)
 415     {
 416       child_allocation.x = (GTK_CONTAINER (menu_bar)->border_width +
 417                             ipadding +
 418                             BORDER_SPACING);
 419       child_allocation.y = (GTK_CONTAINER (menu_bar)->border_width +
 420                             BORDER_SPACING);
 421
 422       if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
 423         {
 424           child_allocation.x += widget->style->xthickness;
 425           child_allocation.y += widget->style->ythickness;
 426         }
 427
 428       if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
 429           priv->pack_direction == GTK_PACK_DIRECTION_RTL)
 430         {
 431           child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
 432
 433           offset = child_allocation.x;  /* Window edge to menubar start */
 434           ltr_x = child_allocation.x;
 435
 436           children = menu_shell->children;
 437           while (children)
 438             {
 439               gint toggle_size;
 440
 441               child = children->data;
 442               children = children->next;
 443
 444               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 445                                                  &toggle_size);
 446               gtk_widget_get_child_requisition (child, &child_requisition);
 447
 448               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 449                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 450                 child_requisition.width += toggle_size;
 451               else
 452                 child_requisition.height += toggle_size;
 453
 454               /* Support for the right justified help menu */
 455               if ((children == NULL) && (GTK_IS_MENU_ITEM(child))
 456                   && (GTK_MENU_ITEM(child)->right_justify))
 457                 {
 458                   ltr_x = allocation->width -
 459                     child_requisition.width - offset;
 460                 }
 461               if (GTK_WIDGET_VISIBLE (child))
 462                 {
 463                   if ((direction == GTK_TEXT_DIR_LTR) == (priv->pack_direction == GTK_PACK_DIRECTION_LTR))
 464                     child_allocation.x = ltr_x;
 465                   else
 466                     child_allocation.x = allocation->width -
 467                       child_requisition.width - ltr_x;
 468
 469                   child_allocation.width = child_requisition.width;
 470
 471                   gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
 472                                                       toggle_size);
 473                   gtk_widget_size_allocate (child, &child_allocation);
 474
 475                   ltr_x += child_allocation.width;
 476                 }
 477             }
 478         }
 479       else
 480         {
 481           child_allocation.width = MAX (1, (gint)allocation->width - child_allocation.x * 2);
 482
 483           offset = child_allocation.y;  /* Window edge to menubar start */
 484           ltr_y = child_allocation.y;
 485
 486           children = menu_shell->children;
 487           while (children)
 488             {
 489               gint toggle_size;
 490
 491               child = children->data;
 492               children = children->next;
 493
 494               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 495                                                  &toggle_size);
 496               gtk_widget_get_child_requisition (child, &child_requisition);
 497
 498               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 499                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 500                 child_requisition.width += toggle_size;
 501               else
 502                 child_requisition.height += toggle_size;
 503
 504               /* Support for the right justified help menu */
 505               if ((children == NULL) && (GTK_IS_MENU_ITEM(child))
 506                   && (GTK_MENU_ITEM(child)->right_justify))
 507                 {
 508                   ltr_y = allocation->height -
 509                     child_requisition.height - offset;
 510                 }
 511               if (GTK_WIDGET_VISIBLE (child))
 512                 {
 513                   if ((direction == GTK_TEXT_DIR_LTR) ==
 514                       (priv->pack_direction == GTK_PACK_DIRECTION_TTB))
 515                     child_allocation.y = ltr_y;
 516                   else
 517                     child_allocation.y = allocation->height -
 518                       child_requisition.height - ltr_y;
 519                   child_allocation.height = child_requisition.height;
 520
 521                   gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
 522                                                       toggle_size);
 523                   gtk_widget_size_allocate (child, &child_allocation);
 524
 525                   ltr_y += child_allocation.height;
 526                 }
 527             }
 528         }
 529     }
 530 }
 531
 532 static void
 533 gtk_menu_bar_paint (GtkWidget *widget, GdkRectangle *area)
 534 {
 535   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 536
 537   if (GTK_WIDGET_DRAWABLE (widget))
 538     {
 539       gint border;
 540
 541       border = GTK_CONTAINER (widget)->border_width;
 542
 543       gtk_paint_box (widget->style,
 544                      widget->window,
 545                      GTK_WIDGET_STATE (widget),
 546                      get_shadow_type (GTK_MENU_BAR (widget)),
 547                      area, widget, "menubar",
 548                      border, border,
 549                      widget->allocation.width - border * 2,
 550                      widget->allocation.height - border * 2);
 551     }
 552 }
 553
 554 static gint
 555 gtk_menu_bar_expose (GtkWidget      *widget,
 556                      GdkEventExpose *event)
 557 {
 558   g_return_val_if_fail (GTK_IS_MENU_BAR (widget), FALSE);
 559   g_return_val_if_fail (event != NULL, FALSE);
 560
 561   if (GTK_WIDGET_DRAWABLE (widget))
 562     {
 563       gtk_menu_bar_paint (widget, &event->area);
 564
 565       (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 566     }
 567
 568   return FALSE;
 569 }
 570
 571 static GList *
 572 get_menu_bars (GtkWindow *window)
 573 {
 574   return g_object_get_data (G_OBJECT (window), "gtk-menu-bar-list");
 575 }
 576
 577 static GList *
 578 get_viewable_menu_bars (GtkWindow *window)
 579 {
 580   GList *menu_bars;
 581   GList *viewable_menu_bars = NULL;
 582
 583   for (menu_bars = get_menu_bars (window);
 584        menu_bars;
 585        menu_bars = menu_bars->next)
 586     {
 587       GtkWidget *widget = menu_bars->data;
 588       gboolean viewable = TRUE;
 589
 590       while (widget)
 591         {
 592           if (!GTK_WIDGET_MAPPED (widget))
 593             viewable = FALSE;
 594
 595           widget = widget->parent;
 596         }
 597
 598       if (viewable)
 599         viewable_menu_bars = g_list_prepend (viewable_menu_bars, menu_bars->data);
 600     }
 601
 602   return g_list_reverse (viewable_menu_bars);
 603 }
 604
 605 static void
 606 set_menu_bars (GtkWindow *window,
 607                GList     *menubars)
 608 {
 609   g_object_set_data (G_OBJECT (window), I_("gtk-menu-bar-list"), menubars);
 610 }
 611
 612 static gboolean
 613 window_key_press_handler (GtkWidget   *widget,
 614                           GdkEventKey *event,
 615                           gpointer     data)
 616 {
 617   gchar *accel = NULL;
 618   gboolean retval = FALSE;
 619
 620   g_object_get (gtk_widget_get_settings (widget),
 621                 "gtk-menu-bar-accel",
 622                 &accel,
 623                 NULL);
 624
 625   if (accel)
 626     {
 627       guint keyval = 0;
 628       GdkModifierType mods = 0;
 629
 630       gtk_accelerator_parse (accel, &keyval, &mods);
 631
 632       if (keyval == 0)
 633         g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
 634
 635       /* FIXME this is wrong, needs to be in the global accel resolution
 636        * thing, to properly consider i18n etc., but that probably requires
 637        * AccelGroup changes etc.
 638        */
 639       if (event->keyval == keyval &&
 640           ((event->state & gtk_accelerator_get_default_mod_mask ()) ==
 641            (mods & gtk_accelerator_get_default_mod_mask ())))
 642         {
 643           GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (widget));
 644           GList *menubars;
 645
 646           menubars = _gtk_container_focus_sort (GTK_CONTAINER (widget), tmp_menubars,
 647                                                 GTK_DIR_TAB_FORWARD, NULL);
 648           g_list_free (tmp_menubars);
 649
 650           if (menubars)
 651             {
 652               GtkMenuShell *menu_shell = GTK_MENU_SHELL (menubars->data);
 653
 654               _gtk_menu_shell_activate (menu_shell);
 655               gtk_menu_shell_select_first (menu_shell, FALSE);
 656
 657               g_list_free (menubars);
 658
 659               retval = TRUE;
 660             }
 661         }
 662
 663       g_free (accel);
 664     }
 665
 666   return retval;
 667 }
 668
 669 static void
 670 add_to_window (GtkWindow  *window,
 671                GtkMenuBar *menubar)
 672 {
 673   GList *menubars = get_menu_bars (window);
 674
 675   if (!menubars)
 676     {
 677       g_signal_connect (window,
 678                         "key_press_event",
 679                         G_CALLBACK (window_key_press_handler),
 680                         NULL);
 681     }
 682
 683   set_menu_bars (window, g_list_prepend (menubars, menubar));
 684 }
 685
 686 static void
 687 remove_from_window (GtkWindow  *window,
 688                     GtkMenuBar *menubar)
 689 {
 690   GList *menubars = get_menu_bars (window);
 691
 692   menubars = g_object_get_data (G_OBJECT (window),
 693                                     "gtk-menu-bar-list");
 694
 695   menubars = g_list_remove (menubars, menubar);
 696
 697   if (!menubars)
 698     {
 699       g_signal_handlers_disconnect_by_func (window,
 700                                             window_key_press_handler,
 701                                             NULL);
 702     }
 703
 704   set_menu_bars (window, menubars);
 705 }
 706
 707 static void
 708 gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
 709                                 GtkWidget *old_toplevel)
 710 {
 711   GtkWidget *toplevel;
 712   GtkMenuBar *menubar;
 713
 714   menubar = GTK_MENU_BAR (widget);
 715
 716   toplevel = gtk_widget_get_toplevel (widget);
 717
 718   if (old_toplevel)
 719     remove_from_window (GTK_WINDOW (old_toplevel), menubar);
 720
 721   if (GTK_WIDGET_TOPLEVEL (toplevel))
 722     add_to_window (GTK_WINDOW (toplevel), menubar);
 723 }
 724
 725 /**
 726  * _gtk_menu_bar_cycle_focus:
 727  * @menubar: a #GtkMenuBar
 728  * @dir: direction in which to cycle the focus
 729  *
 730  * Move the focus between menubars in the toplevel.
 731  **/
 732 void
 733 _gtk_menu_bar_cycle_focus (GtkMenuBar       *menubar,
 734                            GtkDirectionType  dir)
 735 {
 736   GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menubar));
 737   GtkMenuItem *to_activate = NULL;
 738
 739   if (GTK_WIDGET_TOPLEVEL (toplevel))
 740     {
 741       GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (toplevel));
 742       GList *menubars;
 743       GList *current;
 744
 745       menubars = _gtk_container_focus_sort (GTK_CONTAINER (toplevel), tmp_menubars,
 746                                             dir, GTK_WIDGET (menubar));
 747       g_list_free (tmp_menubars);
 748
 749       if (menubars)
 750         {
 751           current = g_list_find (menubars, menubar);
 752
 753           if (current && current->next)
 754             {
 755               GtkMenuShell *new_menushell = GTK_MENU_SHELL (current->next->data);
 756               if (new_menushell->children)
 757                 to_activate = new_menushell->children->data;
 758             }
 759         }
 760
 761       g_list_free (menubars);
 762     }
 763
 764   gtk_menu_shell_cancel (GTK_MENU_SHELL (menubar));
 765
 766   if (to_activate)
 767     g_signal_emit_by_name (to_activate, "activate_item");
 768 }
 769
 770 static GtkShadowType
 771 get_shadow_type (GtkMenuBar *menubar)
 772 {
 773   GtkShadowType shadow_type = GTK_SHADOW_OUT;
 774
 775   gtk_widget_style_get (GTK_WIDGET (menubar),
 776                         "shadow-type", &shadow_type,
 777                         NULL);
 778
 779   return shadow_type;
 780 }
 781
 782 static gint
 783 gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell)
 784 {
 785   gint popup_delay;
 786
 787   g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
 788                 "gtk-menu-bar-popup-delay", &popup_delay,
 789                 NULL);
 790
 791   return popup_delay;
 792 }
 793
 794 static void
 795 gtk_menu_bar_move_current (GtkMenuShell         *menu_shell,
 796                            GtkMenuDirectionType direction)
 797 {
 798   GtkMenuBar *menubar = GTK_MENU_BAR (menu_shell);
 799   GtkTextDirection text_dir;
 800   GtkPackDirection pack_dir;
 801
 802   text_dir = gtk_widget_get_direction (GTK_WIDGET (menubar));
 803   pack_dir = gtk_menu_bar_get_pack_direction (menubar);
 804
 805   if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
 806      {
 807       if ((text_dir == GTK_TEXT_DIR_RTL) == (pack_dir == GTK_PACK_DIRECTION_LTR))
 808         {
 809           switch (direction)
 810             {
 811             case GTK_MENU_DIR_PREV:
 812               direction = GTK_MENU_DIR_NEXT;
 813               break;
 814             case GTK_MENU_DIR_NEXT:
 815               direction = GTK_MENU_DIR_PREV;
 816               break;
 817             default: ;
 818             }
 819         }
 820     }
 821   else
 822     {
 823       switch (direction)
 824         {
 825         case GTK_MENU_DIR_PARENT:
 826           if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
 827             direction = GTK_MENU_DIR_PREV;
 828           else
 829             direction = GTK_MENU_DIR_NEXT;
 830           break;
 831         case GTK_MENU_DIR_CHILD:
 832           if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
 833             direction = GTK_MENU_DIR_NEXT;
 834           else
 835             direction = GTK_MENU_DIR_PREV;
 836           break;
 837         case GTK_MENU_DIR_PREV:
 838           if (text_dir == GTK_TEXT_DIR_RTL)
 839             direction = GTK_MENU_DIR_CHILD;
 840           else
 841             direction = GTK_MENU_DIR_PARENT;
 842           break;
 843         case GTK_MENU_DIR_NEXT:
 844           if (text_dir == GTK_TEXT_DIR_RTL)
 845             direction = GTK_MENU_DIR_PARENT;
 846           else
 847             direction = GTK_MENU_DIR_CHILD;
 848           break;
 849         default: ;
 850         }
 851     }
 852
 853   GTK_MENU_SHELL_CLASS (parent_class)->move_current (menu_shell, direction);
 854 }
 855
 856 /**
 857  * gtk_menu_bar_get_pack_direction:
 858  * @menubar: a #GtkMenuBar
 859  *
 860  * Retrieves the current pack direction of the menubar. See
 861  * gtk_menu_bar_set_pack_direction().
 862  *
 863  * Return value: the pack direction
 864  *
 865  * Since: 2.8
 866  **/
 867 GtkPackDirection
 868 gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar)
 869 {
 870   GtkMenuBarPrivate *priv;
 871
 872   g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
 873                         GTK_PACK_DIRECTION_LTR);
 874
 875   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 876
 877   return priv->pack_direction;
 878 }
 879
 880 /**
 881  * gtk_menu_bar_set_pack_direction:
 882  * @menubar: a #GtkMenuBar.
 883  * @pack_dir: a new #GtkPackDirection.
 884  *
 885  * Sets how items should be packed inside a menubar.
 886  *
 887  * Since: 2.8
 888  **/
 889 void gtk_menu_bar_set_pack_direction (GtkMenuBar       *menubar,
 890                                       GtkPackDirection  pack_dir)
 891 {
 892   GtkMenuBarPrivate *priv;
 893   GList *l;
 894
 895   g_return_if_fail (GTK_IS_MENU_BAR (menubar));
 896
 897   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 898
 899   if (priv->pack_direction != pack_dir)
 900     {
 901       priv->pack_direction = pack_dir;
 902
 903       gtk_widget_queue_resize (GTK_WIDGET (menubar));
 904
 905       for (l = GTK_MENU_SHELL (menubar)->children; l; l = l->next)
 906         gtk_widget_queue_resize (GTK_WIDGET (l->data));
 907
 908       g_object_notify (G_OBJECT (menubar), "pack-direction");
 909     }
 910 }
 911
 912 /**
 913  * gtk_menu_bar_get_child_pack_direction:
 914  * @menubar: a #GtkMenuBar
 915  *
 916  * Retrieves the current child pack direction of the menubar. See
 917  * gtk_menu_bar_set_child_pack_direction().
 918  *
 919  * Return value: the child pack direction
 920  *
 921  * Since: 2.8
 922  **/
 923 GtkPackDirection
 924 gtk_menu_bar_get_child_pack_direction (GtkMenuBar *menubar)
 925 {
 926   GtkMenuBarPrivate *priv;
 927
 928   g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
 929                         GTK_PACK_DIRECTION_LTR);
 930
 931   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 932
 933   return priv->child_pack_direction;
 934 }
 935
 936 /**
 937  * gtk_menu_bar_set_child_pack_direction:
 938  * @menubar: a #GtkMenuBar.
 939  * @child_pack_dir: a new #GtkPackDirection.
 940  *
 941  * Sets how widgets should be packed inside the children of a menubar.
 942  *
 943  * Since: 2.8
 944  **/
 945 void gtk_menu_bar_set_child_pack_direction (GtkMenuBar       *menubar,
 946                                             GtkPackDirection  child_pack_dir)
 947 {
 948   GtkMenuBarPrivate *priv;
 949   GList *l;
 950
 951   g_return_if_fail (GTK_IS_MENU_BAR (menubar));
 952
 953   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 954
 955   if (priv->child_pack_direction != child_pack_dir)
 956     {
 957       priv->child_pack_direction = child_pack_dir;
 958
 959       gtk_widget_queue_resize (GTK_WIDGET (menubar));
 960
 961       for (l = GTK_MENU_SHELL (menubar)->children; l; l = l->next)
 962         gtk_widget_queue_resize (GTK_WIDGET (l->data));
 963
 964       g_object_notify (G_OBJECT (menubar), "child-pack-direction");
 965     }
 966 }
 967
 968 #define __GTK_MENU_BAR_C__
 969 #include "gtkaliasdef.c"