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