* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#define GTK_MENU_INTERNALS
+
+#include <config.h>
+#include "gdk/gdkkeysyms.h"
+#include "gtkbindings.h"
+#include "gtkkeyhash.h"
#include "gtkmain.h"
+#include "gtkmarshalers.h"
+#include "gtkmenubar.h"
#include "gtkmenuitem.h"
#include "gtkmenushell.h"
-#include "gtksignal.h"
-
+#include "gtkmnemonichash.h"
+#include "gtktearoffmenuitem.h"
+#include "gtkwindow.h"
+#include "gtkprivate.h"
+#include "gtkintl.h"
+#include "gtkalias.h"
#define MENU_SHELL_TIMEOUT 500
-#define MENU_SHELL_CLASS(w) GTK_MENU_SHELL_CLASS (GTK_OBJECT (w)->klass)
+#define PACK_DIRECTION(m) \
+ (GTK_IS_MENU_BAR (m) \
+ ? gtk_menu_bar_get_pack_direction (GTK_MENU_BAR (m)) \
+ : GTK_PACK_DIRECTION_LTR)
enum {
DEACTIVATE,
SELECTION_DONE,
+ MOVE_CURRENT,
+ ACTIVATE_CURRENT,
+ CANCEL,
+ CYCLE_FOCUS,
LAST_SIGNAL
};
+enum {
+ PROP_0,
+ PROP_TAKE_FOCUS
+};
+
+typedef void (*GtkMenuShellSignal1) (GtkObject *object,
+ GtkMenuDirectionType arg1,
+ gpointer data);
+typedef void (*GtkMenuShellSignal2) (GtkObject *object,
+ gboolean arg1,
+ gpointer data);
+
+/* Terminology:
+ *
+ * A menu item can be "selected", this means that it is displayed
+ * in the prelight state, and if it has a submenu, that submenu
+ * will be popped up.
+ *
+ * A menu is "active" when it is visible onscreen and the user
+ * is selecting from it. A menubar is not active until the user
+ * clicks on one of its menuitems. When a menu is active,
+ * passing the mouse over a submenu will pop it up.
+ *
+ * menu_shell->active_menu_item, is however, not an "active"
+ * menu item (there is no such thing) but rather, the selected
+ * menu item in that MenuShell, if there is one.
+ *
+ * There is also is a concept of the current menu and a current
+ * menu item. The current menu item is the selected menu item
+ * that is furthest down in the heirarchy. (Every active menu_shell
+ * does not necessarily contain a selected menu item, but if
+ * it does, then menu_shell->parent_menu_shell must also contain
+ * a selected menu item. The current menu is the menu that
+ * contains the current menu_item. It will always have a GTK
+ * grab and receive all key presses.
+ *
+ *
+ * Action signals:
+ *
+ * ::move_current (GtkMenuDirection *dir)
+ * Moves the current menu item in direction 'dir':
+ *
+ * GTK_MENU_DIR_PARENT: To the parent menu shell
+ * GTK_MENU_DIR_CHILD: To the child menu shell (if this item has
+ * a submenu.
+ * GTK_MENU_DIR_NEXT/PREV: To the next or previous item
+ * in this menu.
+ *
+ * As a a bit of a hack to get movement between menus and
+ * menubars working, if submenu_placement is different for
+ * the menu and its MenuShell then the following apply:
+ *
+ * - For 'parent' the current menu is not just moved to
+ * the parent, but moved to the previous entry in the parent
+ * - For 'child', if there is no child, then current is
+ * moved to the next item in the parent.
+ *
+ * Note that the above explanation of ::move_current was written
+ * before menus and menubars had support for RTL flipping and
+ * different packing directions, and therefore only applies for
+ * when text direction and packing direction are both left-to-right.
+ *
+ * ::activate_current (GBoolean *force_hide)
+ * Activate the current item. If 'force_hide' is true, hide
+ * the current menu item always. Otherwise, only hide
+ * it if menu_item->klass->hide_on_activate is true.
+ *
+ * ::cancel ()
+ * Cancels the current selection
+ */
+
+#define GTK_MENU_SHELL_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_MENU_SHELL, GtkMenuShellPrivate))
+
+typedef struct _GtkMenuShellPrivate GtkMenuShellPrivate;
-static void gtk_menu_shell_class_init (GtkMenuShellClass *klass);
-static void gtk_menu_shell_init (GtkMenuShell *menu_shell);
-static void gtk_menu_shell_map (GtkWidget *widget);
+struct _GtkMenuShellPrivate
+{
+ GtkMnemonicHash *mnemonic_hash;
+ GtkKeyHash *key_hash;
+
+ gboolean take_focus;
+};
+
+static void gtk_menu_shell_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_menu_shell_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
static void gtk_menu_shell_realize (GtkWidget *widget);
+static void gtk_menu_shell_finalize (GObject *object);
static gint gtk_menu_shell_button_press (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_menu_shell_button_release (GtkWidget *widget,
GdkEventButton *event);
+static gint gtk_menu_shell_key_press (GtkWidget *widget,
+ GdkEventKey *event);
static gint gtk_menu_shell_enter_notify (GtkWidget *widget,
GdkEventCrossing *event);
static gint gtk_menu_shell_leave_notify (GtkWidget *widget,
GdkEventCrossing *event);
+static void gtk_menu_shell_screen_changed (GtkWidget *widget,
+ GdkScreen *previous_screen);
+static gboolean gtk_menu_shell_grab_broken (GtkWidget *widget,
+ GdkEventGrabBroken *event);
static void gtk_menu_shell_add (GtkContainer *container,
GtkWidget *widget);
static void gtk_menu_shell_remove (GtkContainer *container,
GtkWidget *widget);
-static void gtk_menu_shell_foreach (GtkContainer *container,
+static void gtk_menu_shell_forall (GtkContainer *container,
+ gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
+static void gtk_menu_shell_real_insert (GtkMenuShell *menu_shell,
+ GtkWidget *child,
+ gint position);
static void gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell);
static gint gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
GtkWidget *child);
static GtkWidget *gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
GdkEvent *event);
-static GtkType gtk_menu_shell_child_type (GtkContainer *container);
+static GType gtk_menu_shell_child_type (GtkContainer *container);
+static void gtk_menu_shell_real_select_item (GtkMenuShell *menu_shell,
+ GtkWidget *menu_item);
+static gboolean gtk_menu_shell_select_submenu_first (GtkMenuShell *menu_shell);
+
+static void gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
+ GtkMenuDirectionType direction);
+static void gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
+ gboolean force_hide);
+static void gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell);
+static void gtk_real_menu_shell_cycle_focus (GtkMenuShell *menu_shell,
+ GtkDirectionType dir);
+
+static void gtk_menu_shell_reset_key_hash (GtkMenuShell *menu_shell);
+static gboolean gtk_menu_shell_activate_mnemonic (GtkMenuShell *menu_shell,
+ GdkEventKey *event);
-
-static GtkContainerClass *parent_class = NULL;
static guint menu_shell_signals[LAST_SIGNAL] = { 0 };
-
-GtkType
-gtk_menu_shell_get_type (void)
-{
- static GtkType menu_shell_type = 0;
-
- if (!menu_shell_type)
- {
- GtkTypeInfo menu_shell_info =
- {
- "GtkMenuShell",
- sizeof (GtkMenuShell),
- sizeof (GtkMenuShellClass),
- (GtkClassInitFunc) gtk_menu_shell_class_init,
- (GtkObjectInitFunc) gtk_menu_shell_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- menu_shell_type = gtk_type_unique (gtk_container_get_type (), &menu_shell_info);
- }
-
- return menu_shell_type;
-}
+G_DEFINE_TYPE (GtkMenuShell, gtk_menu_shell, GTK_TYPE_CONTAINER)
static void
gtk_menu_shell_class_init (GtkMenuShellClass *klass)
{
- GtkObjectClass *object_class;
+ GObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
- object_class = (GtkObjectClass*) klass;
+ GtkBindingSet *binding_set;
+
+ object_class = (GObjectClass*) klass;
widget_class = (GtkWidgetClass*) klass;
container_class = (GtkContainerClass*) klass;
- parent_class = gtk_type_class (gtk_container_get_type ());
+ object_class->set_property = gtk_menu_shell_set_property;
+ object_class->get_property = gtk_menu_shell_get_property;
+ object_class->finalize = gtk_menu_shell_finalize;
- menu_shell_signals[DEACTIVATE] =
- gtk_signal_new ("deactivate",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (GtkMenuShellClass, deactivate),
- gtk_signal_default_marshaller,
- GTK_TYPE_NONE, 0);
- menu_shell_signals[SELECTION_DONE] =
- gtk_signal_new ("selection-done",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (GtkMenuShellClass, selection_done),
- gtk_signal_default_marshaller,
- GTK_TYPE_NONE, 0);
- gtk_object_class_add_signals (object_class, menu_shell_signals, LAST_SIGNAL);
-
- widget_class->map = gtk_menu_shell_map;
widget_class->realize = gtk_menu_shell_realize;
widget_class->button_press_event = gtk_menu_shell_button_press;
widget_class->button_release_event = gtk_menu_shell_button_release;
+ widget_class->grab_broken_event = gtk_menu_shell_grab_broken;
+ widget_class->key_press_event = gtk_menu_shell_key_press;
widget_class->enter_notify_event = gtk_menu_shell_enter_notify;
widget_class->leave_notify_event = gtk_menu_shell_leave_notify;
+ widget_class->screen_changed = gtk_menu_shell_screen_changed;
container_class->add = gtk_menu_shell_add;
container_class->remove = gtk_menu_shell_remove;
- container_class->foreach = gtk_menu_shell_foreach;
+ container_class->forall = gtk_menu_shell_forall;
container_class->child_type = gtk_menu_shell_child_type;
klass->submenu_placement = GTK_TOP_BOTTOM;
klass->deactivate = gtk_real_menu_shell_deactivate;
klass->selection_done = NULL;
+ klass->move_current = gtk_real_menu_shell_move_current;
+ klass->activate_current = gtk_real_menu_shell_activate_current;
+ klass->cancel = gtk_real_menu_shell_cancel;
+ klass->select_item = gtk_menu_shell_real_select_item;
+ klass->insert = gtk_menu_shell_real_insert;
+
+ menu_shell_signals[DEACTIVATE] =
+ g_signal_new (I_("deactivate"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GtkMenuShellClass, deactivate),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ menu_shell_signals[SELECTION_DONE] =
+ g_signal_new (I_("selection-done"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GtkMenuShellClass, selection_done),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ menu_shell_signals[MOVE_CURRENT] =
+ g_signal_new (I_("move_current"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkMenuShellClass, move_current),
+ NULL, NULL,
+ _gtk_marshal_VOID__ENUM,
+ G_TYPE_NONE, 1,
+ GTK_TYPE_MENU_DIRECTION_TYPE);
+ menu_shell_signals[ACTIVATE_CURRENT] =
+ g_signal_new (I_("activate_current"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkMenuShellClass, activate_current),
+ NULL, NULL,
+ _gtk_marshal_VOID__BOOLEAN,
+ G_TYPE_NONE, 1,
+ G_TYPE_BOOLEAN);
+ menu_shell_signals[CANCEL] =
+ g_signal_new (I_("cancel"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkMenuShellClass, cancel),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ menu_shell_signals[CYCLE_FOCUS] =
+ _gtk_binding_signal_new (I_("cycle_focus"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_CALLBACK (gtk_real_menu_shell_cycle_focus),
+ NULL, NULL,
+ _gtk_marshal_VOID__ENUM,
+ G_TYPE_NONE, 1,
+ GTK_TYPE_DIRECTION_TYPE);
+
+
+ binding_set = gtk_binding_set_by_class (klass);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_Escape, 0,
+ "cancel", 0);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_Return, 0,
+ "activate_current", 1,
+ G_TYPE_BOOLEAN,
+ TRUE);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_Enter, 0,
+ "activate_current", 1,
+ G_TYPE_BOOLEAN,
+ TRUE);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_space, 0,
+ "activate_current", 1,
+ G_TYPE_BOOLEAN,
+ FALSE);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_Space, 0,
+ "activate_current", 1,
+ G_TYPE_BOOLEAN,
+ FALSE);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_F10, 0,
+ "cycle_focus", 1,
+ GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_F10, GDK_SHIFT_MASK,
+ "cycle_focus", 1,
+ GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
+
+ /**
+ * GtkMenuShell:take-focus:
+ *
+ * A boolean that determines whether the menu and its submenus grab the
+ * keyboard focus. See gtk_menu_shell_set_take_focus() and
+ * gtk_menu_shell_get_take_focus().
+ *
+ * Since: 2.8
+ **/
+ g_object_class_install_property (object_class,
+ PROP_TAKE_FOCUS,
+ g_param_spec_boolean ("take-focus",
+ P_("Take Focus"),
+ P_("A boolean that determines whether the menu grabs the keyboard focus"),
+ TRUE,
+ GTK_PARAM_READWRITE));
+
+ g_type_class_add_private (object_class, sizeof (GtkMenuShellPrivate));
}
-static GtkType
+static GType
gtk_menu_shell_child_type (GtkContainer *container)
{
return GTK_TYPE_MENU_ITEM;
static void
gtk_menu_shell_init (GtkMenuShell *menu_shell)
{
+ GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
+
menu_shell->children = NULL;
menu_shell->active_menu_item = NULL;
menu_shell->parent_menu_shell = NULL;
menu_shell->active = FALSE;
menu_shell->have_grab = FALSE;
menu_shell->have_xgrab = FALSE;
- menu_shell->ignore_leave = FALSE;
menu_shell->button = 0;
- menu_shell->menu_flag = 0;
menu_shell->activate_time = 0;
+
+ priv->mnemonic_hash = NULL;
+ priv->key_hash = NULL;
+ priv->take_focus = TRUE;
}
+static void
+gtk_menu_shell_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
+
+ switch (prop_id)
+ {
+ case PROP_TAKE_FOCUS:
+ gtk_menu_shell_set_take_focus (menu_shell, g_value_get_boolean (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_menu_shell_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
+
+ switch (prop_id)
+ {
+ case PROP_TAKE_FOCUS:
+ g_value_set_boolean (value, gtk_menu_shell_get_take_focus (menu_shell));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_menu_shell_finalize (GObject *object)
+{
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL (object);
+ GtkMenuShellPrivate *priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
+
+ if (priv->mnemonic_hash)
+ _gtk_mnemonic_hash_free (priv->mnemonic_hash);
+ if (priv->key_hash)
+ _gtk_key_hash_free (priv->key_hash);
+
+ G_OBJECT_CLASS (gtk_menu_shell_parent_class)->finalize (object);
+}
+
+
void
gtk_menu_shell_append (GtkMenuShell *menu_shell,
GtkWidget *child)
GtkWidget *child,
gint position)
{
- GList *tmp_list;
- GList *new_list;
- gint nchildren;
+ GtkMenuShellClass *class;
- g_return_if_fail (menu_shell != NULL);
g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
- g_return_if_fail (child != NULL);
g_return_if_fail (GTK_IS_MENU_ITEM (child));
- gtk_widget_set_parent (child, GTK_WIDGET (menu_shell));
-
- if (GTK_WIDGET_VISIBLE (child->parent))
- {
- if (GTK_WIDGET_REALIZED (child->parent) &&
- !GTK_WIDGET_REALIZED (child))
- gtk_widget_realize (child);
-
- if (GTK_WIDGET_MAPPED (child->parent) &&
- !GTK_WIDGET_MAPPED (child))
- gtk_widget_map (child);
- }
+ class = GTK_MENU_SHELL_GET_CLASS (menu_shell);
- nchildren = g_list_length (menu_shell->children);
- if ((position < 0) || (position > nchildren))
- position = nchildren;
+ if (class->insert)
+ class->insert (menu_shell, child, position);
+}
- if (position == nchildren)
- {
- menu_shell->children = g_list_append (menu_shell->children, child);
- }
- else
- {
- tmp_list = g_list_nth (menu_shell->children, position);
- new_list = g_list_alloc ();
- new_list->data = child;
-
- if (tmp_list->prev)
- tmp_list->prev->next = new_list;
- new_list->next = tmp_list;
- new_list->prev = tmp_list->prev;
- tmp_list->prev = new_list;
-
- if (tmp_list == menu_shell->children)
- menu_shell->children = new_list;
- }
+static void
+gtk_menu_shell_real_insert (GtkMenuShell *menu_shell,
+ GtkWidget *child,
+ gint position)
+{
+ menu_shell->children = g_list_insert (menu_shell->children, child, position);
- if (GTK_WIDGET_VISIBLE (menu_shell))
- gtk_widget_queue_resize (GTK_WIDGET (menu_shell));
+ gtk_widget_set_parent (child, GTK_WIDGET (menu_shell));
}
void
gtk_menu_shell_deactivate (GtkMenuShell *menu_shell)
{
- g_return_if_fail (menu_shell != NULL);
g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
- gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[DEACTIVATE]);
-}
-
-static void
-gtk_menu_shell_map (GtkWidget *widget)
-{
- GtkMenuShell *menu_shell;
- GtkWidget *child;
- GList *children;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MENU_SHELL (widget));
-
- menu_shell = GTK_MENU_SHELL (widget);
- GTK_WIDGET_SET_FLAGS (menu_shell, GTK_MAPPED);
- gdk_window_show (widget->window);
-
- children = menu_shell->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- if (GTK_WIDGET_VISIBLE (child) && !GTK_WIDGET_MAPPED (child))
- gtk_widget_map (child);
- }
+ g_signal_emit (menu_shell, menu_shell_signals[DEACTIVATE], 0);
}
static void
GdkWindowAttr attributes;
gint attributes_mask;
- g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MENU_SHELL (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
attributes.event_mask |= (GDK_EXPOSURE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
+ GDK_KEY_PRESS_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
}
+void
+_gtk_menu_shell_activate (GtkMenuShell *menu_shell)
+{
+ if (!menu_shell->active)
+ {
+ gtk_grab_add (GTK_WIDGET (menu_shell));
+ menu_shell->have_grab = TRUE;
+ menu_shell->active = TRUE;
+ }
+}
+
static gint
gtk_menu_shell_button_press (GtkWidget *widget,
GdkEventButton *event)
GtkMenuShell *menu_shell;
GtkWidget *menu_item;
- g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (menu_shell->parent_menu_shell)
{
- gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
+ return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
}
else if (!menu_shell->active || !menu_shell->button)
{
- if (!menu_shell->active)
- {
- gtk_grab_add (GTK_WIDGET (widget));
- menu_shell->have_grab = TRUE;
- menu_shell->active = TRUE;
- }
+ _gtk_menu_shell_activate (menu_shell);
+
menu_shell->button = event->button;
menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent *)event);
- if (menu_item &&
- GTK_WIDGET_IS_SENSITIVE (menu_item))
+ if (menu_item && _gtk_menu_item_is_selectable (menu_item))
{
if ((menu_item->parent == widget) &&
(menu_item != menu_shell->active_menu_item))
{
- if (menu_shell->active_menu_item)
- gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
-
- menu_shell->active_menu_item = menu_item;
- gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
- MENU_SHELL_CLASS (menu_shell)->submenu_placement);
- gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
+ if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement == GTK_TOP_BOTTOM)
+ {
+ menu_shell->activate_time = event->time;
+ }
+
+ gtk_menu_shell_select_item (menu_shell, menu_item);
}
}
}
if (widget == GTK_WIDGET (menu_shell))
{
gtk_menu_shell_deactivate (menu_shell);
- gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
+ g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
}
}
return TRUE;
}
+static gboolean
+gtk_menu_shell_grab_broken (GtkWidget *widget,
+ GdkEventGrabBroken *event)
+{
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
+
+ if (menu_shell->have_xgrab && event->grab_window == NULL)
+ {
+ /* Unset the active menu item so gtk_menu_popdown() doesn't see it.
+ */
+
+ gtk_menu_shell_deselect (menu_shell);
+
+ gtk_menu_shell_deactivate (menu_shell);
+ g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
+ }
+
+ return TRUE;
+}
+
static gint
gtk_menu_shell_button_release (GtkWidget *widget,
GdkEventButton *event)
GtkWidget *menu_item;
gint deactivate;
- g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
{
menu_shell->button = 0;
if (menu_shell->parent_menu_shell)
- gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
- return TRUE;
+ return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
}
-
+
menu_shell->button = 0;
menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent*) event);
if ((event->time - menu_shell->activate_time) > MENU_SHELL_TIMEOUT)
{
- if (menu_item && (menu_shell->active_menu_item == menu_item))
+ if (menu_item && (menu_shell->active_menu_item == menu_item) &&
+ _gtk_menu_item_is_selectable (menu_item))
{
if (GTK_MENU_ITEM (menu_item)->submenu == NULL)
{
- gtk_menu_shell_deactivate (menu_shell);
-
- /* flush the x-queue, so any grabs are removed and
- * the menu is actually taken down
- */
- gdk_flush ();
- gtk_widget_activate (menu_item);
-
- gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
-
+ gtk_menu_shell_activate_item (menu_shell, menu_item, TRUE);
return TRUE;
}
+ else if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM)
+ {
+ gtk_menu_item_select (GTK_MENU_ITEM (menu_item));
+ return TRUE;
+ }
+ }
+ else if (menu_item &&
+ !_gtk_menu_item_is_selectable (menu_item) &&
+ GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM)
+ {
+ deactivate = FALSE;
}
else if (menu_shell->parent_menu_shell)
{
gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
return TRUE;
}
+
+ /* If we ended up on an item with a submenu, leave the menu up.
+ */
+ if (menu_item && (menu_shell->active_menu_item == menu_item) &&
+ GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement != GTK_TOP_BOTTOM)
+ {
+ deactivate = FALSE;
+ }
}
- else
- deactivate = FALSE;
-
- /* If the button click was very fast, or we ended up on a submenu,
- * leave the menu up
- */
- if (!deactivate ||
- (menu_item && (menu_shell->active_menu_item == menu_item)))
+ else /* a very fast press-release */
{
+ /* We only ever want to prevent deactivation on the first
+ * press/release. Setting the time to zero is a bit of a
+ * hack, since we could be being triggered in the first
+ * few fractions of a second after a server time wraparound.
+ * the chances of that happening are ~1/10^6, without
+ * serious harm if we lose.
+ */
+ menu_shell->activate_time = 0;
deactivate = FALSE;
- menu_shell->ignore_leave = TRUE;
}
- else
- deactivate = TRUE;
-
+
if (deactivate)
{
gtk_menu_shell_deactivate (menu_shell);
- gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
+ g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
}
}
return TRUE;
}
+static gint
+gtk_menu_shell_key_press (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ GtkMenuShell *menu_shell;
+
+ g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ menu_shell = GTK_MENU_SHELL (widget);
+
+ if (!menu_shell->active_menu_item && menu_shell->parent_menu_shell)
+ return gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent *)event);
+
+ if (gtk_bindings_activate_event (GTK_OBJECT (widget), event))
+ return TRUE;
+
+ return gtk_menu_shell_activate_mnemonic (menu_shell, event);
+}
+
static gint
gtk_menu_shell_enter_notify (GtkWidget *widget,
GdkEventCrossing *event)
GtkMenuShell *menu_shell;
GtkWidget *menu_item;
- g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
menu_shell = GTK_MENU_SHELL (widget);
+
if (menu_shell->active)
{
menu_item = gtk_get_event_widget ((GdkEvent*) event);
- if (!menu_item || !GTK_WIDGET_IS_SENSITIVE (menu_item))
+ if (!menu_item ||
+ (GTK_IS_MENU_ITEM (menu_item) &&
+ !_gtk_menu_item_is_selectable (menu_item)))
return TRUE;
-
+
if ((menu_item->parent == widget) &&
(menu_shell->active_menu_item != menu_item) &&
GTK_IS_MENU_ITEM (menu_item))
{
+ if (menu_shell->ignore_enter)
+ return TRUE;
+
if ((event->detail != GDK_NOTIFY_INFERIOR) &&
(GTK_WIDGET_STATE (menu_item) != GTK_STATE_PRELIGHT))
{
- if (menu_shell->active_menu_item)
- gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
-
- menu_shell->active_menu_item = menu_item;
- gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
- MENU_SHELL_CLASS (menu_shell)->submenu_placement);
- gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
- if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
- gtk_widget_activate (menu_shell->active_menu_item);
+ gtk_menu_shell_select_item (menu_shell, menu_item);
}
}
else if (menu_shell->parent_menu_shell)
GtkMenuItem *menu_item;
GtkWidget *event_widget;
- g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
menu_item = GTK_MENU_ITEM (event_widget);
- if (menu_shell->ignore_leave)
- {
- menu_shell->ignore_leave = FALSE;
- return TRUE;
- }
-
- if (!GTK_WIDGET_IS_SENSITIVE (menu_item))
+ if (!_gtk_menu_item_is_selectable (event_widget))
return TRUE;
if ((menu_shell->active_menu_item == event_widget) &&
if ((event->detail != GDK_NOTIFY_INFERIOR) &&
(GTK_WIDGET_STATE (menu_item) != GTK_STATE_NORMAL))
{
- gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
- menu_shell->active_menu_item = NULL;
+ gtk_menu_shell_deselect (menu_shell);
}
}
else if (menu_shell->parent_menu_shell)
return TRUE;
}
+static void
+gtk_menu_shell_screen_changed (GtkWidget *widget,
+ GdkScreen *previous_screen)
+{
+ gtk_menu_shell_reset_key_hash (GTK_MENU_SHELL (widget));
+}
+
static void
gtk_menu_shell_add (GtkContainer *container,
GtkWidget *widget)
GtkMenuShell *menu_shell;
gint was_visible;
- g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_MENU_SHELL (container));
- g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
was_visible = GTK_WIDGET_VISIBLE (widget);
menu_shell = GTK_MENU_SHELL (container);
menu_shell->children = g_list_remove (menu_shell->children, widget);
+ if (widget == menu_shell->active_menu_item)
+ {
+ gtk_item_deselect (GTK_ITEM (menu_shell->active_menu_item));
+ menu_shell->active_menu_item = NULL;
+ }
+
gtk_widget_unparent (widget);
/* queue resize regardless of GTK_WIDGET_VISIBLE (container),
}
static void
-gtk_menu_shell_foreach (GtkContainer *container,
- GtkCallback callback,
- gpointer callback_data)
+gtk_menu_shell_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
{
GtkMenuShell *menu_shell;
GtkWidget *child;
GList *children;
- g_return_if_fail (container != NULL);
g_return_if_fail (GTK_IS_MENU_SHELL (container));
g_return_if_fail (callback != NULL);
static void
gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell)
{
- g_return_if_fail (menu_shell != NULL);
- g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
-
if (menu_shell->active)
{
menu_shell->button = 0;
menu_shell->active = FALSE;
+ menu_shell->activate_time = 0;
if (menu_shell->active_menu_item)
{
}
if (menu_shell->have_xgrab)
{
+ GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (menu_shell));
+
menu_shell->have_xgrab = FALSE;
- gdk_pointer_ungrab (GDK_CURRENT_TIME);
+ gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
+ gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME);
}
}
}
{
GtkWidget *parent;
- g_return_val_if_fail (menu_shell != NULL, FALSE);
g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
g_return_val_if_fail (child != NULL, FALSE);
return FALSE;
}
-static GtkWidget *
+static GtkWidget*
gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
GdkEvent *event)
{
return NULL;
}
+/* Handlers for action signals */
+
+void
+gtk_menu_shell_select_item (GtkMenuShell *menu_shell,
+ GtkWidget *menu_item)
+{
+ GtkMenuShellClass *class;
+
+ g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
+ g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
+
+ class = GTK_MENU_SHELL_GET_CLASS (menu_shell);
+
+ if (class->select_item &&
+ !(menu_shell->active &&
+ menu_shell->active_menu_item == menu_item))
+ class->select_item (menu_shell, menu_item);
+}
+
+void _gtk_menu_item_set_placement (GtkMenuItem *menu_item,
+ GtkSubmenuPlacement placement);
+
+static void
+gtk_menu_shell_real_select_item (GtkMenuShell *menu_shell,
+ GtkWidget *menu_item)
+{
+ GtkPackDirection pack_dir = PACK_DIRECTION (menu_shell);
+
+ gtk_menu_shell_deselect (menu_shell);
+
+ if (!_gtk_menu_item_is_selectable (menu_item))
+ return;
+
+ menu_shell->active_menu_item = menu_item;
+ if (pack_dir == GTK_PACK_DIRECTION_TTB || pack_dir == GTK_PACK_DIRECTION_BTT)
+ _gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
+ GTK_LEFT_RIGHT);
+ else
+ _gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
+ GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement);
+ gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
+
+ /* This allows the bizarre radio buttons-with-submenus-display-history
+ * behavior
+ */
+ if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
+ gtk_widget_activate (menu_shell->active_menu_item);
+}
+
+void
+gtk_menu_shell_deselect (GtkMenuShell *menu_shell)
+{
+ g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
+
+ if (menu_shell->active_menu_item)
+ {
+ gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
+ menu_shell->active_menu_item = NULL;
+ }
+}
+
+void
+gtk_menu_shell_activate_item (GtkMenuShell *menu_shell,
+ GtkWidget *menu_item,
+ gboolean force_deactivate)
+{
+ GSList *slist, *shells = NULL;
+ gboolean deactivate = force_deactivate;
+
+ g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
+ g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
+
+ if (!deactivate)
+ deactivate = GTK_MENU_ITEM_GET_CLASS (menu_item)->hide_on_activate;
+
+ g_object_ref (menu_shell);
+ g_object_ref (menu_item);
+
+ if (deactivate)
+ {
+ GtkMenuShell *parent_menu_shell = menu_shell;
+
+ do
+ {
+ g_object_ref (parent_menu_shell);
+ shells = g_slist_prepend (shells, parent_menu_shell);
+ parent_menu_shell = (GtkMenuShell*) parent_menu_shell->parent_menu_shell;
+ }
+ while (parent_menu_shell);
+ shells = g_slist_reverse (shells);
+
+ gtk_menu_shell_deactivate (menu_shell);
+
+ /* flush the x-queue, so any grabs are removed and
+ * the menu is actually taken down
+ */
+ gdk_display_sync (gtk_widget_get_display (menu_item));
+ }
+
+ gtk_widget_activate (menu_item);
+
+ for (slist = shells; slist; slist = slist->next)
+ {
+ g_signal_emit (slist->data, menu_shell_signals[SELECTION_DONE], 0);
+ g_object_unref (slist->data);
+ }
+ g_slist_free (shells);
+
+ g_object_unref (menu_shell);
+ g_object_unref (menu_item);
+}
+
+/* Distance should be +/- 1 */
+static void
+gtk_menu_shell_move_selected (GtkMenuShell *menu_shell,
+ gint distance)
+{
+ if (menu_shell->active_menu_item)
+ {
+ GList *node = g_list_find (menu_shell->children,
+ menu_shell->active_menu_item);
+ GList *start_node = node;
+
+ if (distance > 0)
+ {
+ node = node->next;
+ while (node != start_node &&
+ (!node || !_gtk_menu_item_is_selectable (node->data)))
+ {
+ if (!node)
+ node = menu_shell->children;
+ else
+ node = node->next;
+ }
+ }
+ else
+ {
+ node = node->prev;
+ while (node != start_node &&
+ (!node || !_gtk_menu_item_is_selectable (node->data)))
+ {
+ if (!node)
+ node = g_list_last (menu_shell->children);
+ else
+ node = node->prev;
+ }
+ }
+
+ if (node)
+ gtk_menu_shell_select_item (menu_shell, node->data);
+ }
+}
+
+/**
+ * gtk_menu_shell_select_first:
+ * @menu_shell: a #GtkMenuShell
+ * @search_sensitive: if %TRUE, search for the first selectable
+ * menu item, otherwise select nothing if
+ * the first item isn't sensitive. This
+ * should be %FALSE if the menu is being
+ * popped up initially.
+ *
+ * Select the first visible or selectable child of the menu shell;
+ * don't select tearoff items unless the only item is a tearoff
+ * item.
+ *
+ * Since: 2.2
+ **/
+void
+gtk_menu_shell_select_first (GtkMenuShell *menu_shell,
+ gboolean search_sensitive)
+{
+ GtkWidget *to_select = NULL;
+ GList *tmp_list;
+
+ tmp_list = menu_shell->children;
+ while (tmp_list)
+ {
+ GtkWidget *child = tmp_list->data;
+
+ if ((!search_sensitive && GTK_WIDGET_VISIBLE (child)) ||
+ _gtk_menu_item_is_selectable (child))
+ {
+ to_select = child;
+ if (!GTK_IS_TEAROFF_MENU_ITEM (child))
+ break;
+ }
+
+ tmp_list = tmp_list->next;
+ }
+
+ if (to_select)
+ gtk_menu_shell_select_item (menu_shell, to_select);
+}
+
+void
+_gtk_menu_shell_select_last (GtkMenuShell *menu_shell,
+ gboolean search_sensitive)
+{
+ GtkWidget *to_select = NULL;
+ GList *tmp_list;
+
+ tmp_list = g_list_last (menu_shell->children);
+ while (tmp_list)
+ {
+ GtkWidget *child = tmp_list->data;
+
+ if ((!search_sensitive && GTK_WIDGET_VISIBLE (child)) ||
+ _gtk_menu_item_is_selectable (child))
+ {
+ to_select = child;
+ if (!GTK_IS_TEAROFF_MENU_ITEM (child))
+ break;
+ }
+
+ tmp_list = tmp_list->prev;
+ }
+
+ if (to_select)
+ gtk_menu_shell_select_item (menu_shell, to_select);
+}
+
+static gboolean
+gtk_menu_shell_select_submenu_first (GtkMenuShell *menu_shell)
+{
+ GtkMenuItem *menu_item;
+
+ menu_item = GTK_MENU_ITEM (menu_shell->active_menu_item);
+
+ if (menu_item->submenu)
+ {
+ _gtk_menu_item_popup_submenu (GTK_WIDGET (menu_item));
+ gtk_menu_shell_select_first (GTK_MENU_SHELL (menu_item->submenu), TRUE);
+ if (GTK_MENU_SHELL (menu_item->submenu)->active_menu_item)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+gtk_real_menu_shell_move_current (GtkMenuShell *menu_shell,
+ GtkMenuDirectionType direction)
+{
+ GtkMenuShell *parent_menu_shell = NULL;
+ gboolean had_selection;
+
+ had_selection = menu_shell->active_menu_item != NULL;
+
+ if (menu_shell->parent_menu_shell)
+ parent_menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
+
+ switch (direction)
+ {
+ case GTK_MENU_DIR_PARENT:
+ if (parent_menu_shell)
+ {
+ if (GTK_MENU_SHELL_GET_CLASS (parent_menu_shell)->submenu_placement ==
+ GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement)
+ gtk_menu_shell_deselect (menu_shell);
+ else
+ {
+ if (PACK_DIRECTION (parent_menu_shell) == GTK_PACK_DIRECTION_LTR)
+ gtk_menu_shell_move_selected (parent_menu_shell, -1);
+ else
+ gtk_menu_shell_move_selected (parent_menu_shell, 1);
+ gtk_menu_shell_select_submenu_first (parent_menu_shell);
+ }
+ }
+ /* If there is no parent and the submenu is in the opposite direction
+ * to the menu, then make the PARENT direction wrap around to
+ * the bottom of the submenu.
+ */
+ else if (menu_shell->active_menu_item &&
+ _gtk_menu_item_is_selectable (menu_shell->active_menu_item) &&
+ GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
+ {
+ GtkMenuShell *submenu = GTK_MENU_SHELL (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu);
+
+ if (GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement !=
+ GTK_MENU_SHELL_GET_CLASS (submenu)->submenu_placement)
+ _gtk_menu_shell_select_last (submenu, TRUE);
+ }
+ break;
+
+ case GTK_MENU_DIR_CHILD:
+ if (menu_shell->active_menu_item &&
+ _gtk_menu_item_is_selectable (menu_shell->active_menu_item) &&
+ GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
+ {
+ if (gtk_menu_shell_select_submenu_first (menu_shell))
+ break;
+ }
+
+ /* Try to find a menu running the opposite direction */
+ while (parent_menu_shell &&
+ (GTK_MENU_SHELL_GET_CLASS (parent_menu_shell)->submenu_placement ==
+ GTK_MENU_SHELL_GET_CLASS (menu_shell)->submenu_placement))
+ {
+ GtkWidget *tmp_widget = parent_menu_shell->parent_menu_shell;
+
+ if (tmp_widget)
+ parent_menu_shell = GTK_MENU_SHELL (tmp_widget);
+ else
+ parent_menu_shell = NULL;
+ }
+
+ if (parent_menu_shell)
+ {
+ if (PACK_DIRECTION (parent_menu_shell) == GTK_PACK_DIRECTION_LTR)
+ gtk_menu_shell_move_selected (parent_menu_shell, 1);
+ else
+ gtk_menu_shell_move_selected (parent_menu_shell, -1);
+
+ gtk_menu_shell_select_submenu_first (parent_menu_shell);
+ }
+ break;
+
+ case GTK_MENU_DIR_PREV:
+ gtk_menu_shell_move_selected (menu_shell, -1);
+ if (!had_selection &&
+ !menu_shell->active_menu_item &&
+ menu_shell->children)
+ _gtk_menu_shell_select_last (menu_shell, TRUE);
+ break;
+ case GTK_MENU_DIR_NEXT:
+ gtk_menu_shell_move_selected (menu_shell, 1);
+ if (!had_selection &&
+ !menu_shell->active_menu_item &&
+ menu_shell->children)
+ gtk_menu_shell_select_first (menu_shell, TRUE);
+ break;
+ }
+}
+
+static void
+gtk_real_menu_shell_activate_current (GtkMenuShell *menu_shell,
+ gboolean force_hide)
+{
+ if (menu_shell->active_menu_item &&
+ _gtk_menu_item_is_selectable (menu_shell->active_menu_item))
+ {
+
+ if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu == NULL)
+ gtk_menu_shell_activate_item (menu_shell,
+ menu_shell->active_menu_item,
+ force_hide);
+ else
+ _gtk_menu_item_popup_submenu (menu_shell->active_menu_item);
+ }
+}
+
+static void
+gtk_real_menu_shell_cancel (GtkMenuShell *menu_shell)
+{
+ /* Unset the active menu item so gtk_menu_popdown() doesn't see it.
+ */
+ gtk_menu_shell_deselect (menu_shell);
+
+ gtk_menu_shell_deactivate (menu_shell);
+ g_signal_emit (menu_shell, menu_shell_signals[SELECTION_DONE], 0);
+}
+
+static void
+gtk_real_menu_shell_cycle_focus (GtkMenuShell *menu_shell,
+ GtkDirectionType dir)
+{
+ while (menu_shell && !GTK_IS_MENU_BAR (menu_shell))
+ {
+ if (menu_shell->parent_menu_shell)
+ menu_shell = GTK_MENU_SHELL (menu_shell->parent_menu_shell);
+ else
+ menu_shell = NULL;
+ }
+
+ if (menu_shell)
+ _gtk_menu_bar_cycle_focus (GTK_MENU_BAR (menu_shell), dir);
+}
+
+gint
+_gtk_menu_shell_get_popup_delay (GtkMenuShell *menu_shell)
+{
+ GtkMenuShellClass *klass = GTK_MENU_SHELL_GET_CLASS (menu_shell);
+
+ if (klass->get_popup_delay)
+ {
+ return klass->get_popup_delay (menu_shell);
+ }
+ else
+ {
+ gint popup_delay;
+ GtkWidget *widget = GTK_WIDGET (menu_shell);
+
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-menu-popup-delay", &popup_delay,
+ NULL);
+
+ return popup_delay;
+ }
+}
+
+/**
+ * gtk_menu_shell_cancel:
+ * @menu_shell: a #GtkMenuShell
+ *
+ * Cancels the selection within the menu shell.
+ *
+ * Since: 2.4
+ */
+void
+gtk_menu_shell_cancel (GtkMenuShell *menu_shell)
+{
+ g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
+
+ g_signal_emit (menu_shell, menu_shell_signals[CANCEL], 0);
+}
+
+static GtkMnemonicHash *
+gtk_menu_shell_get_mnemonic_hash (GtkMenuShell *menu_shell,
+ gboolean create)
+{
+ GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
+
+ if (!private->mnemonic_hash && create)
+ private->mnemonic_hash = _gtk_mnemonic_hash_new ();
+
+ return private->mnemonic_hash;
+}
+
+static void
+menu_shell_add_mnemonic_foreach (guint keyval,
+ GSList *targets,
+ gpointer data)
+{
+ GtkKeyHash *key_hash = data;
+
+ _gtk_key_hash_add_entry (key_hash, keyval, 0, GUINT_TO_POINTER (keyval));
+}
+
+static GtkKeyHash *
+gtk_menu_shell_get_key_hash (GtkMenuShell *menu_shell,
+ gboolean create)
+{
+ GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
+ GtkWidget *widget = GTK_WIDGET (menu_shell);
+
+ if (!private->key_hash && create && gtk_widget_has_screen (widget))
+ {
+ GtkMnemonicHash *mnemonic_hash = gtk_menu_shell_get_mnemonic_hash (menu_shell, FALSE);
+ GdkScreen *screen = gtk_widget_get_screen (widget);
+ GdkKeymap *keymap = gdk_keymap_get_for_display (gdk_screen_get_display (screen));
+
+ if (!mnemonic_hash)
+ return NULL;
+
+ private->key_hash = _gtk_key_hash_new (keymap, NULL);
+
+ _gtk_mnemonic_hash_foreach (mnemonic_hash,
+ menu_shell_add_mnemonic_foreach,
+ private->key_hash);
+ }
+
+ return private->key_hash;
+}
+
+static void
+gtk_menu_shell_reset_key_hash (GtkMenuShell *menu_shell)
+{
+ GtkMenuShellPrivate *private = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
+
+ if (private->key_hash)
+ {
+ _gtk_key_hash_free (private->key_hash);
+ private->key_hash = NULL;
+ }
+}
+
+static gboolean
+gtk_menu_shell_activate_mnemonic (GtkMenuShell *menu_shell,
+ GdkEventKey *event)
+{
+ GtkMnemonicHash *mnemonic_hash;
+ GtkKeyHash *key_hash;
+ GSList *entries;
+ gboolean result = FALSE;
+
+ mnemonic_hash = gtk_menu_shell_get_mnemonic_hash (menu_shell, FALSE);
+ if (!mnemonic_hash)
+ return FALSE;
+
+ key_hash = gtk_menu_shell_get_key_hash (menu_shell, TRUE);
+ if (!key_hash)
+ return FALSE;
+
+ entries = _gtk_key_hash_lookup (key_hash,
+ event->hardware_keycode,
+ event->state,
+ gtk_accelerator_get_default_mod_mask (),
+ event->group);
+
+ if (entries)
+ result = _gtk_mnemonic_hash_activate (mnemonic_hash,
+ GPOINTER_TO_UINT (entries->data));
+
+ return result;
+}
+
+void
+_gtk_menu_shell_add_mnemonic (GtkMenuShell *menu_shell,
+ guint keyval,
+ GtkWidget *target)
+{
+ g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
+ g_return_if_fail (GTK_IS_WIDGET (target));
+
+ _gtk_mnemonic_hash_add (gtk_menu_shell_get_mnemonic_hash (menu_shell, TRUE),
+ keyval, target);
+ gtk_menu_shell_reset_key_hash (menu_shell);
+}
+
+void
+_gtk_menu_shell_remove_mnemonic (GtkMenuShell *menu_shell,
+ guint keyval,
+ GtkWidget *target)
+{
+ g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
+ g_return_if_fail (GTK_IS_WIDGET (target));
+
+ _gtk_mnemonic_hash_remove (gtk_menu_shell_get_mnemonic_hash (menu_shell, TRUE),
+ keyval, target);
+ gtk_menu_shell_reset_key_hash (menu_shell);
+}
+
+/**
+ * gtk_menu_shell_get_take_focus:
+ * @menu_shell: a #GtkMenuShell
+ *
+ * Returns %TRUE if the menu shell will take the keyboard focus on popup.
+ *
+ * Returns: %TRUE if the menu shell will take the keyboard focus on popup.
+ *
+ * Since: 2.8
+ **/
+gboolean
+gtk_menu_shell_get_take_focus (GtkMenuShell *menu_shell)
+{
+ GtkMenuShellPrivate *priv;
+
+ g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
+
+ priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
+
+ return priv->take_focus;
+}
+
+/**
+ * gtk_menu_shell_set_take_focus:
+ * @menu_shell: a #GtkMenuShell
+ * @take_focus: %TRUE if the menu shell should take the keyboard focus on popup.
+ *
+ * If @take_focus is %TRUE (the default) the menu shell will take the keyboard
+ * focus so that it will receive all keyboard events which is needed to enable
+ * keyboard navigation in menus.
+ *
+ * Setting @take_focus to %FALSE is useful only for special applications
+ * like virtual keyboard implementations which should not take keyboard
+ * focus.
+ *
+ * The @take_focus state of a menu or menu bar is automatically propagated
+ * to submenus whenever a submenu is popped up, so you don't have to worry
+ * about recursively setting it for your entire menu hierarchy. Only when
+ * programmatically picking a submenu and popping it up manually, the
+ * @take_focus property of the submenu needs to be set explicitely.
+ *
+ * Note that setting it to %FALSE has side-effects:
+ *
+ * If the focus is in some other app, it keeps the focus and keynav in
+ * the menu doesn't work. Consequently, keynav on the menu will only
+ * work if the focus is on some toplevel owned by the onscreen keyboard.
+ *
+ * To avoid confusing the user, menus with @take_focus set to %FALSE
+ * should not display mnemonics or accelerators, since it cannot be
+ * guaranteed that they will work.
+ *
+ * See also gdk_keyboard_grab()
+ *
+ * Since: 2.8
+ **/
+void
+gtk_menu_shell_set_take_focus (GtkMenuShell *menu_shell,
+ gboolean take_focus)
+{
+ GtkMenuShellPrivate *priv;
+
+ g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
+
+ priv = GTK_MENU_SHELL_GET_PRIVATE (menu_shell);
+
+ if (priv->take_focus != take_focus)
+ {
+ priv->take_focus = take_focus;
+ g_object_notify (G_OBJECT (menu_shell), "take-focus");
+ }
+}
+
+#define __GTK_MENU_SHELL_C__
+#include "gtkaliasdef.c"