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 "gtkalias.h"
  32 #include "gtkbindings.h"
  33 #include "gtkmain.h"
  34 #include "gtkmarshalers.h"
  35 #include "gtkmenubar.h"
  36 #include "gtkmenuitem.h"
  37 #include "gtksettings.h"
  38 #include "gtkintl.h"
  39 #include "gtkwindow.h"
  40
  41
  42 #define BORDER_SPACING  0
  43 #define DEFAULT_IPADDING 1
  44
  45 /* Properties */
  46 enum {
  47   PROP_0,
  48   PROP_PACK_DIRECTION,
  49   PROP_CHILD_PACK_DIRECTION
  50 };
  51
  52 typedef struct _GtkMenuBarPrivate GtkMenuBarPrivate;
  53 struct _GtkMenuBarPrivate
  54 {
  55   GtkPackDirection pack_direction;
  56   GtkPackDirection child_pack_direction;
  57 };
  58
  59 #define GTK_MENU_BAR_GET_PRIVATE(o)  \
  60   (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_MENU_BAR, GtkMenuBarPrivate))
  61
  62
  63 static void gtk_menu_bar_class_init        (GtkMenuBarClass *klass);
  64 static void gtk_menu_bar_set_property      (GObject             *object,
  65                                             guint                prop_id,
  66                                             const GValue        *value,
  67                                             GParamSpec          *pspec);
  68 static void gtk_menu_bar_get_property      (GObject             *object,
  69                                             guint                prop_id,
  70                                             GValue              *value,
  71                                             GParamSpec          *pspec);
  72 static void gtk_menu_bar_size_request      (GtkWidget       *widget,
  73                                             GtkRequisition  *requisition);
  74 static void gtk_menu_bar_size_allocate     (GtkWidget       *widget,
  75                                             GtkAllocation   *allocation);
  76 static void gtk_menu_bar_paint             (GtkWidget       *widget,
  77                                             GdkRectangle    *area);
  78 static gint gtk_menu_bar_expose            (GtkWidget       *widget,
  79                                             GdkEventExpose  *event);
  80 static void gtk_menu_bar_hierarchy_changed (GtkWidget       *widget,
  81                                             GtkWidget       *old_toplevel);
  82 static gint gtk_menu_bar_get_popup_delay   (GtkMenuShell    *menu_shell);
  83 static void gtk_menu_bar_move_current      (GtkMenuShell     *menu_shell,
  84                                             GtkMenuDirectionType direction);
  85
  86
  87 static GtkShadowType get_shadow_type   (GtkMenuBar      *menubar);
  88
  89 static GtkMenuShellClass *parent_class = NULL;
  90
  91 GType
  92 gtk_menu_bar_get_type (void)
  93 {
  94   static GType menu_bar_type = 0;
  95
  96   if (!menu_bar_type)
  97     {
  98       static const GTypeInfo menu_bar_info =
  99       {
 100         sizeof (GtkMenuBarClass),
 101         NULL,           /* base_init */
 102         NULL,           /* base_finalize */
 103         (GClassInitFunc) gtk_menu_bar_class_init,
 104         NULL,           /* class_finalize */
 105         NULL,           /* class_data */
 106         sizeof (GtkMenuBar),
 107         0,              /* n_preallocs */
 108         NULL,           /* instance_init */
 109       };
 110
 111       menu_bar_type = g_type_register_static (GTK_TYPE_MENU_SHELL, "GtkMenuBar",
 112                                               &menu_bar_info, 0);
 113     }
 114
 115   return menu_bar_type;
 116 }
 117
 118 static void
 119 gtk_menu_bar_class_init (GtkMenuBarClass *class)
 120 {
 121   GObjectClass *gobject_class;
 122   GtkObjectClass *object_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   object_class = (GtkObjectClass*) class;
 132   widget_class = (GtkWidgetClass*) class;
 133   menu_shell_class = (GtkMenuShellClass*) class;
 134
 135   gobject_class->get_property = gtk_menu_bar_get_property;
 136   gobject_class->set_property = gtk_menu_bar_set_property;
 137
 138   widget_class->size_request = gtk_menu_bar_size_request;
 139   widget_class->size_allocate = gtk_menu_bar_size_allocate;
 140   widget_class->expose_event = gtk_menu_bar_expose;
 141   widget_class->hierarchy_changed = gtk_menu_bar_hierarchy_changed;
 142
 143   menu_shell_class->submenu_placement = GTK_TOP_BOTTOM;
 144   menu_shell_class->get_popup_delay = gtk_menu_bar_get_popup_delay;
 145   menu_shell_class->move_current = gtk_menu_bar_move_current;
 146
 147   binding_set = gtk_binding_set_by_class (class);
 148   gtk_binding_entry_add_signal (binding_set,
 149                                 GDK_Left, 0,
 150                                 "move_current", 1,
 151                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 152                                 GTK_MENU_DIR_PREV);
 153   gtk_binding_entry_add_signal (binding_set,
 154                                 GDK_KP_Left, 0,
 155                                 "move_current", 1,
 156                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 157                                 GTK_MENU_DIR_PREV);
 158   gtk_binding_entry_add_signal (binding_set,
 159                                 GDK_Right, 0,
 160                                 "move_current", 1,
 161                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 162                                 GTK_MENU_DIR_NEXT);
 163   gtk_binding_entry_add_signal (binding_set,
 164                                 GDK_KP_Right, 0,
 165                                 "move_current", 1,
 166                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 167                                 GTK_MENU_DIR_NEXT);
 168   gtk_binding_entry_add_signal (binding_set,
 169                                 GDK_Up, 0,
 170                                 "move_current", 1,
 171                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 172                                 GTK_MENU_DIR_PARENT);
 173   gtk_binding_entry_add_signal (binding_set,
 174                                 GDK_KP_Up, 0,
 175                                 "move_current", 1,
 176                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 177                                 GTK_MENU_DIR_PARENT);
 178   gtk_binding_entry_add_signal (binding_set,
 179                                 GDK_Down, 0,
 180                                 "move_current", 1,
 181                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 182                                 GTK_MENU_DIR_CHILD);
 183   gtk_binding_entry_add_signal (binding_set,
 184                                 GDK_KP_Down, 0,
 185                                 "move_current", 1,
 186                                 GTK_TYPE_MENU_DIRECTION_TYPE,
 187                                 GTK_MENU_DIR_CHILD);
 188
 189   /**
 190    * GtkMenuBar:pack-direction:
 191    *
 192    * The pack direction of the menubar. It determines how
 193    * menuitems are arranged in the menubar.
 194    *
 195    * Since: 2.8
 196    */
 197   g_object_class_install_property (gobject_class,
 198                                    PROP_PACK_DIRECTION,
 199                                    g_param_spec_enum ("pack_direction",
 200                                                       P_("Pack direction"),
 201                                                       P_("The pack direction of the menubar"),
 202                                                       GTK_TYPE_PACK_DIRECTION,
 203                                                       GTK_PACK_DIRECTION_LTR,
 204                                                       G_PARAM_READWRITE));
 205
 206   /**
 207    * GtkMenuBar:child-pack-direction:
 208    *
 209    * The pack direction of the menubar. It determines how
 210    * the widgets contained in child menuitems are arranged.
 211    *
 212    * Since: 2.8
 213    */
 214   g_object_class_install_property (gobject_class,
 215                                    PROP_CHILD_PACK_DIRECTION,
 216                                    g_param_spec_enum ("child_pack_direction",
 217                                                       P_("Child Pack direction"),
 218                                                       P_("The child pack direction of the menubar"),
 219                                                       GTK_TYPE_PACK_DIRECTION,
 220                                                       GTK_PACK_DIRECTION_LTR,
 221                                                       G_PARAM_READWRITE));
 222
 223
 224   gtk_widget_class_install_style_property (widget_class,
 225                                            g_param_spec_enum ("shadow_type",
 226                                                               P_("Shadow type"),
 227                                                               P_("Style of bevel around the menubar"),
 228                                                               GTK_TYPE_SHADOW_TYPE,
 229                                                               GTK_SHADOW_OUT,
 230                                                               G_PARAM_READABLE));
 231
 232   gtk_widget_class_install_style_property (widget_class,
 233                                            g_param_spec_int ("internal_padding",
 234                                                              P_("Internal padding"),
 235                                                              P_("Amount of border space between the menubar shadow and the menu items"),
 236                                                              0,
 237                                                              G_MAXINT,
 238                                                              DEFAULT_IPADDING,
 239                                                              G_PARAM_READABLE));
 240
 241   gtk_settings_install_property (g_param_spec_int ("gtk-menu-bar-popup-delay",
 242                                                    P_("Delay before drop down menus appear"),
 243                                                    P_("Delay before the submenus of a menu bar appear"),
 244                                                    0,
 245                                                    G_MAXINT,
 246                                                    0,
 247                                                    G_PARAM_READWRITE));
 248
 249   g_type_class_add_private (gobject_class, sizeof (GtkMenuBarPrivate));
 250 }
 251
 252 GtkWidget*
 253 gtk_menu_bar_new (void)
 254 {
 255   return g_object_new (GTK_TYPE_MENU_BAR, NULL);
 256 }
 257
 258 static void
 259 gtk_menu_bar_set_property (GObject      *object,
 260                            guint         prop_id,
 261                            const GValue *value,
 262                            GParamSpec   *pspec)
 263 {
 264   GtkMenuBar *menubar = GTK_MENU_BAR (object);
 265
 266   switch (prop_id)
 267     {
 268     case PROP_PACK_DIRECTION:
 269       gtk_menu_bar_set_pack_direction (menubar, g_value_get_enum (value));
 270       break;
 271     case PROP_CHILD_PACK_DIRECTION:
 272       gtk_menu_bar_set_child_pack_direction (menubar, g_value_get_enum (value));
 273       break;
 274     default:
 275       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 276       break;
 277     }
 278 }
 279
 280 static void
 281 gtk_menu_bar_get_property (GObject    *object,
 282                            guint       prop_id,
 283                            GValue     *value,
 284                            GParamSpec *pspec)
 285 {
 286   GtkMenuBar *menubar = GTK_MENU_BAR (object);
 287
 288   switch (prop_id)
 289     {
 290     case PROP_PACK_DIRECTION:
 291       g_value_set_enum (value, gtk_menu_bar_get_pack_direction (menubar));
 292       break;
 293     case PROP_CHILD_PACK_DIRECTION:
 294       g_value_set_enum (value, gtk_menu_bar_get_child_pack_direction (menubar));
 295       break;
 296     default:
 297       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 298       break;
 299     }
 300 }
 301
 302 static void
 303 gtk_menu_bar_size_request (GtkWidget      *widget,
 304                            GtkRequisition *requisition)
 305 {
 306   GtkMenuBar *menu_bar;
 307   GtkMenuBarPrivate *priv;
 308   GtkMenuShell *menu_shell;
 309   GtkWidget *child;
 310   GList *children;
 311   gint nchildren;
 312   GtkRequisition child_requisition;
 313   gint ipadding;
 314
 315   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 316   g_return_if_fail (requisition != NULL);
 317
 318   requisition->width = 0;
 319   requisition->height = 0;
 320
 321   if (GTK_WIDGET_VISIBLE (widget))
 322     {
 323       menu_bar = GTK_MENU_BAR (widget);
 324       menu_shell = GTK_MENU_SHELL (widget);
 325       priv = GTK_MENU_BAR_GET_PRIVATE (menu_bar);
 326
 327       nchildren = 0;
 328       children = menu_shell->children;
 329
 330       while (children)
 331         {
 332           child = children->data;
 333           children = children->next;
 334
 335           if (GTK_WIDGET_VISIBLE (child))
 336             {
 337               gint toggle_size;
 338
 339               GTK_MENU_ITEM (child)->show_submenu_indicator = FALSE;
 340               gtk_widget_size_request (child, &child_requisition);
 341               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 342                                                  &toggle_size);
 343
 344               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 345                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 346                 child_requisition.width += toggle_size;
 347               else
 348                 child_requisition.height += toggle_size;
 349
 350               if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
 351                   priv->pack_direction == GTK_PACK_DIRECTION_RTL)
 352                 {
 353                   requisition->width += child_requisition.width;
 354                   requisition->height = MAX (requisition->height, child_requisition.height);
 355                 }
 356               else
 357                 {
 358                   requisition->width = MAX (requisition->width, child_requisition.width);
 359                   requisition->height += child_requisition.height;
 360                 }
 361               nchildren += 1;
 362             }
 363         }
 364
 365       gtk_widget_style_get (widget, "internal_padding", &ipadding, NULL);
 366
 367       requisition->width += (GTK_CONTAINER (menu_bar)->border_width +
 368                              ipadding +
 369                              BORDER_SPACING) * 2;
 370       requisition->height += (GTK_CONTAINER (menu_bar)->border_width +
 371                               ipadding +
 372                               BORDER_SPACING) * 2;
 373
 374       if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
 375         {
 376           requisition->width += widget->style->xthickness * 2;
 377           requisition->height += widget->style->ythickness * 2;
 378         }
 379     }
 380 }
 381
 382 static void
 383 gtk_menu_bar_size_allocate (GtkWidget     *widget,
 384                             GtkAllocation *allocation)
 385 {
 386   GtkMenuBar *menu_bar;
 387   GtkMenuShell *menu_shell;
 388   GtkMenuBarPrivate *priv;
 389   GtkWidget *child;
 390   GList *children;
 391   GtkAllocation child_allocation;
 392   GtkRequisition child_requisition;
 393   guint offset;
 394   GtkTextDirection direction;
 395   gint ltr_x, ltr_y;
 396   gint ipadding;
 397
 398   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 399   g_return_if_fail (allocation != NULL);
 400
 401   menu_bar = GTK_MENU_BAR (widget);
 402   menu_shell = GTK_MENU_SHELL (widget);
 403   priv = GTK_MENU_BAR_GET_PRIVATE (menu_bar);
 404
 405   direction = gtk_widget_get_direction (widget);
 406
 407   widget->allocation = *allocation;
 408   if (GTK_WIDGET_REALIZED (widget))
 409     gdk_window_move_resize (widget->window,
 410                             allocation->x, allocation->y,
 411                             allocation->width, allocation->height);
 412
 413   gtk_widget_style_get (widget, "internal_padding", &ipadding, NULL);
 414
 415   if (menu_shell->children)
 416     {
 417       child_allocation.x = (GTK_CONTAINER (menu_bar)->border_width +
 418                             ipadding +
 419                             BORDER_SPACING);
 420       child_allocation.y = (GTK_CONTAINER (menu_bar)->border_width +
 421                             BORDER_SPACING);
 422
 423       if (get_shadow_type (menu_bar) != GTK_SHADOW_NONE)
 424         {
 425           child_allocation.x += widget->style->xthickness;
 426           child_allocation.y += widget->style->ythickness;
 427         }
 428
 429       if (priv->pack_direction == GTK_PACK_DIRECTION_LTR ||
 430           priv->pack_direction == GTK_PACK_DIRECTION_RTL)
 431         {
 432           child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
 433
 434           offset = child_allocation.x;  /* Window edge to menubar start */
 435           ltr_x = child_allocation.x;
 436
 437           children = menu_shell->children;
 438           while (children)
 439             {
 440               gint toggle_size;
 441
 442               child = children->data;
 443               children = children->next;
 444
 445               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 446                                                  &toggle_size);
 447               gtk_widget_get_child_requisition (child, &child_requisition);
 448
 449               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 450                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 451                 child_requisition.width += toggle_size;
 452               else
 453                 child_requisition.height += toggle_size;
 454
 455               /* Support for the right justified help menu */
 456               if ((children == NULL) && (GTK_IS_MENU_ITEM(child))
 457                   && (GTK_MENU_ITEM(child)->right_justify))
 458                 {
 459                   ltr_x = allocation->width -
 460                     child_requisition.width - offset;
 461                 }
 462               if (GTK_WIDGET_VISIBLE (child))
 463                 {
 464                   if ((direction == GTK_TEXT_DIR_LTR) == (priv->pack_direction == GTK_PACK_DIRECTION_LTR))
 465                     child_allocation.x = ltr_x;
 466                   else
 467                     child_allocation.x = allocation->width -
 468                       child_requisition.width - ltr_x;
 469
 470                   child_allocation.width = child_requisition.width;
 471
 472                   gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
 473                                                       toggle_size);
 474                   gtk_widget_size_allocate (child, &child_allocation);
 475
 476                   ltr_x += child_allocation.width;
 477                 }
 478             }
 479         }
 480       else
 481         {
 482           child_allocation.width = MAX (1, (gint)allocation->width - child_allocation.x * 2);
 483
 484           offset = child_allocation.y;  /* Window edge to menubar start */
 485           ltr_y = child_allocation.y;
 486
 487           children = menu_shell->children;
 488           while (children)
 489             {
 490               gint toggle_size;
 491
 492               child = children->data;
 493               children = children->next;
 494
 495               gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child),
 496                                                  &toggle_size);
 497               gtk_widget_get_child_requisition (child, &child_requisition);
 498
 499               if (priv->child_pack_direction == GTK_PACK_DIRECTION_LTR ||
 500                   priv->child_pack_direction == GTK_PACK_DIRECTION_RTL)
 501                 child_requisition.width += toggle_size;
 502               else
 503                 child_requisition.height += toggle_size;
 504
 505               /* Support for the right justified help menu */
 506               if ((children == NULL) && (GTK_IS_MENU_ITEM(child))
 507                   && (GTK_MENU_ITEM(child)->right_justify))
 508                 {
 509                   ltr_y = allocation->height -
 510                     child_requisition.height - offset;
 511                 }
 512               if (GTK_WIDGET_VISIBLE (child))
 513                 {
 514                   if ((direction == GTK_TEXT_DIR_LTR) ==
 515                       (priv->pack_direction == GTK_PACK_DIRECTION_TTB))
 516                     child_allocation.y = ltr_y;
 517                   else
 518                     child_allocation.y = allocation->height -
 519                       child_requisition.height - ltr_y;
 520                   child_allocation.height = child_requisition.height;
 521
 522                   gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
 523                                                       toggle_size);
 524                   gtk_widget_size_allocate (child, &child_allocation);
 525
 526                   ltr_y += child_allocation.height;
 527                 }
 528             }
 529         }
 530     }
 531 }
 532
 533 static void
 534 gtk_menu_bar_paint (GtkWidget *widget, GdkRectangle *area)
 535 {
 536   g_return_if_fail (GTK_IS_MENU_BAR (widget));
 537
 538   if (GTK_WIDGET_DRAWABLE (widget))
 539     {
 540       gint border;
 541
 542       border = GTK_CONTAINER (widget)->border_width;
 543
 544       gtk_paint_box (widget->style,
 545                      widget->window,
 546                      GTK_WIDGET_STATE (widget),
 547                      get_shadow_type (GTK_MENU_BAR (widget)),
 548                      area, widget, "menubar",
 549                      border, border,
 550                      widget->allocation.width - border * 2,
 551                      widget->allocation.height - border * 2);
 552     }
 553 }
 554
 555 static gint
 556 gtk_menu_bar_expose (GtkWidget      *widget,
 557                      GdkEventExpose *event)
 558 {
 559   g_return_val_if_fail (GTK_IS_MENU_BAR (widget), FALSE);
 560   g_return_val_if_fail (event != NULL, FALSE);
 561
 562   if (GTK_WIDGET_DRAWABLE (widget))
 563     {
 564       gtk_menu_bar_paint (widget, &event->area);
 565
 566       (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 567     }
 568
 569   return FALSE;
 570 }
 571
 572 static GList *
 573 get_menu_bars (GtkWindow *window)
 574 {
 575   return g_object_get_data (G_OBJECT (window), "gtk-menu-bar-list");
 576 }
 577
 578 static GList *
 579 get_viewable_menu_bars (GtkWindow *window)
 580 {
 581   GList *menu_bars;
 582   GList *viewable_menu_bars = NULL;
 583
 584   for (menu_bars = get_menu_bars (window);
 585        menu_bars;
 586        menu_bars = menu_bars->next)
 587     {
 588       GtkWidget *widget = menu_bars->data;
 589       gboolean viewable = TRUE;
 590
 591       while (widget)
 592         {
 593           if (!GTK_WIDGET_MAPPED (widget))
 594             viewable = FALSE;
 595
 596           widget = widget->parent;
 597         }
 598
 599       if (viewable)
 600         viewable_menu_bars = g_list_prepend (viewable_menu_bars, menu_bars->data);
 601     }
 602
 603   return g_list_reverse (viewable_menu_bars);
 604 }
 605
 606 static void
 607 set_menu_bars (GtkWindow *window,
 608                GList     *menubars)
 609 {
 610   g_object_set_data (G_OBJECT (window), "gtk-menu-bar-list", menubars);
 611 }
 612
 613 static gboolean
 614 window_key_press_handler (GtkWidget   *widget,
 615                           GdkEventKey *event,
 616                           gpointer     data)
 617 {
 618   gchar *accel = NULL;
 619   gboolean retval = FALSE;
 620
 621   g_object_get (gtk_widget_get_settings (widget),
 622                 "gtk-menu-bar-accel",
 623                 &accel,
 624                 NULL);
 625
 626   if (accel)
 627     {
 628       guint keyval = 0;
 629       GdkModifierType mods = 0;
 630
 631       gtk_accelerator_parse (accel, &keyval, &mods);
 632
 633       if (keyval == 0)
 634         g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
 635
 636       /* FIXME this is wrong, needs to be in the global accel resolution
 637        * thing, to properly consider i18n etc., but that probably requires
 638        * AccelGroup changes etc.
 639        */
 640       if (event->keyval == keyval &&
 641           ((event->state & gtk_accelerator_get_default_mod_mask ()) ==
 642            (mods & gtk_accelerator_get_default_mod_mask ())))
 643         {
 644           GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (widget));
 645           GList *menubars;
 646
 647           menubars = _gtk_container_focus_sort (GTK_CONTAINER (widget), tmp_menubars,
 648                                                 GTK_DIR_TAB_FORWARD, NULL);
 649           g_list_free (tmp_menubars);
 650
 651           if (menubars)
 652             {
 653               GtkMenuShell *menu_shell = GTK_MENU_SHELL (menubars->data);
 654
 655               _gtk_menu_shell_activate (menu_shell);
 656               gtk_menu_shell_select_first (menu_shell, FALSE);
 657
 658               g_list_free (menubars);
 659
 660               retval = TRUE;
 661             }
 662         }
 663
 664       g_free (accel);
 665     }
 666
 667   return retval;
 668 }
 669
 670 static void
 671 add_to_window (GtkWindow  *window,
 672                GtkMenuBar *menubar)
 673 {
 674   GList *menubars = get_menu_bars (window);
 675
 676   if (!menubars)
 677     {
 678       g_signal_connect (window,
 679                         "key_press_event",
 680                         G_CALLBACK (window_key_press_handler),
 681                         NULL);
 682     }
 683
 684   set_menu_bars (window, g_list_prepend (menubars, menubar));
 685 }
 686
 687 static void
 688 remove_from_window (GtkWindow  *window,
 689                     GtkMenuBar *menubar)
 690 {
 691   GList *menubars = get_menu_bars (window);
 692
 693   menubars = g_object_get_data (G_OBJECT (window),
 694                                     "gtk-menu-bar-list");
 695
 696   menubars = g_list_remove (menubars, menubar);
 697
 698   if (!menubars)
 699     {
 700       g_signal_handlers_disconnect_by_func (window,
 701                                             window_key_press_handler,
 702                                             NULL);
 703     }
 704
 705   set_menu_bars (window, menubars);
 706 }
 707
 708 static void
 709 gtk_menu_bar_hierarchy_changed (GtkWidget *widget,
 710                                 GtkWidget *old_toplevel)
 711 {
 712   GtkWidget *toplevel;
 713   GtkMenuBar *menubar;
 714
 715   menubar = GTK_MENU_BAR (widget);
 716
 717   toplevel = gtk_widget_get_toplevel (widget);
 718
 719   if (old_toplevel)
 720     remove_from_window (GTK_WINDOW (old_toplevel), menubar);
 721
 722   if (GTK_WIDGET_TOPLEVEL (toplevel))
 723     add_to_window (GTK_WINDOW (toplevel), menubar);
 724 }
 725
 726 /**
 727  * _gtk_menu_bar_cycle_focus:
 728  * @menubar: a #GtkMenuBar
 729  * @dir: direction in which to cycle the focus
 730  *
 731  * Move the focus between menubars in the toplevel.
 732  **/
 733 void
 734 _gtk_menu_bar_cycle_focus (GtkMenuBar       *menubar,
 735                            GtkDirectionType  dir)
 736 {
 737   GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menubar));
 738   GtkMenuItem *to_activate = NULL;
 739
 740   if (GTK_WIDGET_TOPLEVEL (toplevel))
 741     {
 742       GList *tmp_menubars = get_viewable_menu_bars (GTK_WINDOW (toplevel));
 743       GList *menubars;
 744       GList *current;
 745
 746       menubars = _gtk_container_focus_sort (GTK_CONTAINER (toplevel), tmp_menubars,
 747                                             dir, GTK_WIDGET (menubar));
 748       g_list_free (tmp_menubars);
 749
 750       if (menubars)
 751         {
 752           current = g_list_find (menubars, menubar);
 753
 754           if (current && current->next)
 755             {
 756               GtkMenuShell *new_menushell = GTK_MENU_SHELL (current->next->data);
 757               if (new_menushell->children)
 758                 to_activate = new_menushell->children->data;
 759             }
 760         }
 761
 762       g_list_free (menubars);
 763     }
 764
 765   gtk_menu_shell_cancel (GTK_MENU_SHELL (menubar));
 766
 767   if (to_activate)
 768     g_signal_emit_by_name (to_activate, "activate_item");
 769 }
 770
 771 static GtkShadowType
 772 get_shadow_type (GtkMenuBar *menubar)
 773 {
 774   GtkShadowType shadow_type = GTK_SHADOW_OUT;
 775
 776   gtk_widget_style_get (GTK_WIDGET (menubar),
 777                         "shadow_type", &shadow_type,
 778                         NULL);
 779
 780   return shadow_type;
 781 }
 782
 783 static gint
 784 gtk_menu_bar_get_popup_delay (GtkMenuShell *menu_shell)
 785 {
 786   gint popup_delay;
 787
 788   g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
 789                 "gtk-menu-bar-popup-delay", &popup_delay,
 790                 NULL);
 791
 792   return popup_delay;
 793 }
 794
 795 static void
 796 gtk_menu_bar_move_current (GtkMenuShell         *menu_shell,
 797                            GtkMenuDirectionType direction)
 798 {
 799   GtkMenuBar *menubar = GTK_MENU_BAR (menu_shell);
 800   GtkTextDirection text_dir;
 801   GtkPackDirection pack_dir;
 802
 803   text_dir = gtk_widget_get_direction (GTK_WIDGET (menubar));
 804   pack_dir = gtk_menu_bar_get_pack_direction (menubar);
 805
 806   if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
 807      {
 808       if ((text_dir == GTK_TEXT_DIR_RTL) == (pack_dir == GTK_PACK_DIRECTION_LTR))
 809         {
 810           switch (direction)
 811             {
 812             case GTK_MENU_DIR_PREV:
 813               direction = GTK_MENU_DIR_NEXT;
 814               break;
 815             case GTK_MENU_DIR_NEXT:
 816               direction = GTK_MENU_DIR_PREV;
 817               break;
 818             default: ;
 819             }
 820         }
 821     }
 822   else
 823     {
 824       switch (direction)
 825         {
 826         case GTK_MENU_DIR_PARENT:
 827           if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
 828             direction = GTK_MENU_DIR_PREV;
 829           else
 830             direction = GTK_MENU_DIR_NEXT;
 831           break;
 832         case GTK_MENU_DIR_CHILD:
 833           if ((text_dir == GTK_TEXT_DIR_LTR) == (pack_dir == GTK_PACK_DIRECTION_TTB))
 834             direction = GTK_MENU_DIR_NEXT;
 835           else
 836             direction = GTK_MENU_DIR_PREV;
 837           break;
 838         case GTK_MENU_DIR_PREV:
 839           if (text_dir == GTK_TEXT_DIR_RTL)
 840             direction = GTK_MENU_DIR_CHILD;
 841           else
 842             direction = GTK_MENU_DIR_PARENT;
 843           break;
 844         case GTK_MENU_DIR_NEXT:
 845           if (text_dir == GTK_TEXT_DIR_RTL)
 846             direction = GTK_MENU_DIR_PARENT;
 847           else
 848             direction = GTK_MENU_DIR_CHILD;
 849           break;
 850         default: ;
 851         }
 852     }
 853
 854   GTK_MENU_SHELL_CLASS (parent_class)->move_current (menu_shell, direction);
 855 }
 856
 857 /**
 858  * gtk_menu_bar_get_pack_direction:
 859  * @menubar: a #GtkMenuBar
 860  *
 861  * Retrieves the current pack direction of the menubar. See
 862  * gtk_menu_bar_set_pack_direction().
 863  *
 864  * Return value: the pack direction
 865  *
 866  * Since: 2.8
 867  **/
 868 GtkPackDirection
 869 gtk_menu_bar_get_pack_direction (GtkMenuBar *menubar)
 870 {
 871   GtkMenuBarPrivate *priv;
 872
 873   g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
 874                         GTK_PACK_DIRECTION_LTR);
 875
 876   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 877
 878   return priv->pack_direction;
 879 }
 880
 881 /**
 882  * gtk_menu_bar_set_pack_direction:
 883  * @menubar: a #GtkMenuBar.
 884  * @pack_dir: a new #GtkPackDirection.
 885  *
 886  * Sets how items should be packed inside a menubar.
 887  *
 888  * Since: 2.8
 889  **/
 890 void gtk_menu_bar_set_pack_direction (GtkMenuBar       *menubar,
 891                                       GtkPackDirection  pack_dir)
 892 {
 893   GtkMenuBarPrivate *priv;
 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       g_object_notify (G_OBJECT (menubar), "pack-direction");
 905     }
 906 }
 907
 908 /**
 909  * gtk_menu_bar_get_child_pack_direction:
 910  * @menubar: a #GtkMenuBar
 911  *
 912  * Retrieves the current child pack direction of the menubar. See
 913  * gtk_menu_bar_set_child_pack_direction().
 914  *
 915  * Return value: the child pack direction
 916  *
 917  * Since: 2.8
 918  **/
 919 GtkPackDirection
 920 gtk_menu_bar_get_child_pack_direction (GtkMenuBar *menubar)
 921 {
 922   GtkMenuBarPrivate *priv;
 923
 924   g_return_val_if_fail (GTK_IS_MENU_BAR (menubar),
 925                         GTK_PACK_DIRECTION_LTR);
 926
 927   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 928
 929   return priv->child_pack_direction;
 930 }
 931
 932 /**
 933  * gtk_menu_bar_set_child_pack_direction:
 934  * @menubar: a #GtkMenuBar.
 935  * @child_pack_dir: a new #GtkPackDirection.
 936  *
 937  * Sets how widgets should be packed inside the children of a menubar.
 938  *
 939  * Since: 2.8
 940  **/
 941 void gtk_menu_bar_set_child_pack_direction (GtkMenuBar       *menubar,
 942                                             GtkPackDirection  child_pack_dir)
 943 {
 944   GtkMenuBarPrivate *priv;
 945
 946   g_return_if_fail (GTK_IS_MENU_BAR (menubar));
 947
 948   priv = GTK_MENU_BAR_GET_PRIVATE (menubar);
 949
 950   if (priv->child_pack_direction != child_pack_dir)
 951     {
 952       priv->child_pack_direction = child_pack_dir;
 953
 954       gtk_widget_queue_resize (GTK_WIDGET (menubar));
 955       g_object_notify (G_OBJECT (menubar), "child-pack-direction");
 956     }
 957 }