forked from AuroraMiddleware/gtk
e46eeab2a9
2008-06-20 Johan Dahlin <jdahlin@async.com.br> * gtk/gtkaccelgroup.c: * gtk/gtkcolorseldialog.c: * gtk/gtkcontainer.c: * gtk/gtkdialog.c: * gtk/gtkentry.c (gtk_entry_class_init): * gtk/gtkfontsel.c: * gtk/gtkhandlebox.c: * gtk/gtklayout.c: * gtk/gtkmenu.c (gtk_menu_class_init): * gtk/gtkmenuitem.c (gtk_menu_item_class_init): * gtk/gtkplug.c (gtk_plug_class_init): * gtk/gtkselection.c: * gtk/gtksocket.c: * gtk/gtktreeselection.c: * gtk/gtkwidget.c (gtk_widget_class_init): * gtk/gtkwindow.c: Add missing Since: gtk-doc markup for newly added GSEAL API. Change all Since: GSEAL-branch to Since: 2.14. svn path=/trunk/; revision=20639
5113 lines
144 KiB
C
5113 lines
144 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#define GTK_MENU_INTERNALS
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#include <config.h>
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#include <string.h> /* memset */
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#include "gdk/gdkkeysyms.h"
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#include "gtkaccellabel.h"
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#include "gtkaccelmap.h"
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#include "gtkbindings.h"
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#include "gtklabel.h"
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#include "gtkmain.h"
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#include "gtkmarshalers.h"
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#include "gtkmenu.h"
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#include "gtkmenuitem.h"
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#include "gtktearoffmenuitem.h"
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#include "gtkwindow.h"
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#include "gtkhbox.h"
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#include "gtkvscrollbar.h"
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#include "gtksettings.h"
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#include "gtkprivate.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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#define MENU_ITEM_CLASS(w) GTK_MENU_ITEM_GET_CLASS (w)
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#define DEFAULT_POPUP_DELAY 225
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#define DEFAULT_POPDOWN_DELAY 1000
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#define NAVIGATION_REGION_OVERSHOOT 50 /* How much the navigation region
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* extends below the submenu
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*/
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#define MENU_SCROLL_STEP1 8
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#define MENU_SCROLL_STEP2 15
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#define MENU_SCROLL_FAST_ZONE 8
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#define MENU_SCROLL_TIMEOUT1 50
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#define MENU_SCROLL_TIMEOUT2 20
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#define ATTACH_INFO_KEY "gtk-menu-child-attach-info-key"
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#define ATTACHED_MENUS "gtk-attached-menus"
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typedef struct _GtkMenuAttachData GtkMenuAttachData;
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typedef struct _GtkMenuPrivate GtkMenuPrivate;
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struct _GtkMenuAttachData
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{
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GtkWidget *attach_widget;
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GtkMenuDetachFunc detacher;
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};
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struct _GtkMenuPrivate
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{
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gboolean seen_item_enter;
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gboolean have_position;
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gint x;
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gint y;
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/* info used for the table */
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guint *heights;
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gint heights_length;
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gint monitor_num;
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/* Cached layout information */
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gboolean have_layout;
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gint n_rows;
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gint n_columns;
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gchar *title;
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/* Arrow states */
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GtkStateType lower_arrow_state;
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GtkStateType upper_arrow_state;
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gboolean ignore_button_release;
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gboolean initially_pushed_in;
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};
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typedef struct
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{
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gint left_attach;
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gint right_attach;
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gint top_attach;
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gint bottom_attach;
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gint effective_left_attach;
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gint effective_right_attach;
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gint effective_top_attach;
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gint effective_bottom_attach;
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} AttachInfo;
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enum {
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MOVE_SCROLL,
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LAST_SIGNAL
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};
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enum {
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PROP_0,
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PROP_ACTIVE,
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PROP_ACCEL_GROUP,
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PROP_ACCEL_PATH,
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PROP_ATTACH_WIDGET,
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PROP_TEAROFF_STATE,
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PROP_TEAROFF_TITLE,
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PROP_MONITOR
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};
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enum {
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CHILD_PROP_0,
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CHILD_PROP_LEFT_ATTACH,
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CHILD_PROP_RIGHT_ATTACH,
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CHILD_PROP_TOP_ATTACH,
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CHILD_PROP_BOTTOM_ATTACH
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};
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static void gtk_menu_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_menu_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static void gtk_menu_set_child_property(GtkContainer *container,
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GtkWidget *child,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_menu_get_child_property(GtkContainer *container,
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GtkWidget *child,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void gtk_menu_destroy (GtkObject *object);
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static void gtk_menu_realize (GtkWidget *widget);
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static void gtk_menu_unrealize (GtkWidget *widget);
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static void gtk_menu_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_menu_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_menu_paint (GtkWidget *widget,
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GdkEventExpose *expose);
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static void gtk_menu_show (GtkWidget *widget);
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static gboolean gtk_menu_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gboolean gtk_menu_key_press (GtkWidget *widget,
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GdkEventKey *event);
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static gboolean gtk_menu_scroll (GtkWidget *widget,
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GdkEventScroll *event);
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static gboolean gtk_menu_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gboolean gtk_menu_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static gboolean gtk_menu_motion_notify (GtkWidget *widget,
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GdkEventMotion *event);
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static gboolean gtk_menu_enter_notify (GtkWidget *widget,
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GdkEventCrossing *event);
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static gboolean gtk_menu_leave_notify (GtkWidget *widget,
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GdkEventCrossing *event);
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static void gtk_menu_scroll_to (GtkMenu *menu,
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gint offset);
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static void gtk_menu_grab_notify (GtkWidget *widget,
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gboolean was_grabbed);
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static void gtk_menu_stop_scrolling (GtkMenu *menu);
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static void gtk_menu_remove_scroll_timeout (GtkMenu *menu);
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static gboolean gtk_menu_scroll_timeout (gpointer data);
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static gboolean gtk_menu_scroll_timeout_initial (gpointer data);
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static void gtk_menu_start_scrolling (GtkMenu *menu);
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static void gtk_menu_scroll_item_visible (GtkMenuShell *menu_shell,
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GtkWidget *menu_item);
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static void gtk_menu_select_item (GtkMenuShell *menu_shell,
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GtkWidget *menu_item);
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static void gtk_menu_real_insert (GtkMenuShell *menu_shell,
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GtkWidget *child,
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gint position);
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static void gtk_menu_scrollbar_changed (GtkAdjustment *adjustment,
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GtkMenu *menu);
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static void gtk_menu_handle_scrolling (GtkMenu *menu,
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gint event_x,
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gint event_y,
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gboolean enter,
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gboolean motion);
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static void gtk_menu_set_tearoff_hints (GtkMenu *menu,
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gint width);
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static void gtk_menu_style_set (GtkWidget *widget,
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GtkStyle *previous_style);
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static gboolean gtk_menu_focus (GtkWidget *widget,
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GtkDirectionType direction);
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static gint gtk_menu_get_popup_delay (GtkMenuShell *menu_shell);
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static void gtk_menu_move_current (GtkMenuShell *menu_shell,
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GtkMenuDirectionType direction);
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static void gtk_menu_real_move_scroll (GtkMenu *menu,
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GtkScrollType type);
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static void gtk_menu_stop_navigating_submenu (GtkMenu *menu);
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static gboolean gtk_menu_stop_navigating_submenu_cb (gpointer user_data);
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static gboolean gtk_menu_navigating_submenu (GtkMenu *menu,
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gint event_x,
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gint event_y);
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static void gtk_menu_set_submenu_navigation_region (GtkMenu *menu,
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GtkMenuItem *menu_item,
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GdkEventCrossing *event);
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static void gtk_menu_deactivate (GtkMenuShell *menu_shell);
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static void gtk_menu_show_all (GtkWidget *widget);
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static void gtk_menu_hide_all (GtkWidget *widget);
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static void gtk_menu_position (GtkMenu *menu);
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static void gtk_menu_reparent (GtkMenu *menu,
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GtkWidget *new_parent,
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gboolean unrealize);
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static void gtk_menu_remove (GtkContainer *menu,
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GtkWidget *widget);
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static void gtk_menu_update_title (GtkMenu *menu);
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static void menu_grab_transfer_window_destroy (GtkMenu *menu);
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static GdkWindow *menu_grab_transfer_window_get (GtkMenu *menu);
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static gboolean gtk_menu_real_can_activate_accel (GtkWidget *widget,
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guint signal_id);
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static void _gtk_menu_refresh_accel_paths (GtkMenu *menu,
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gboolean group_changed);
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static const gchar attach_data_key[] = "gtk-menu-attach-data";
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static guint menu_signals[LAST_SIGNAL] = { 0 };
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static GtkMenuPrivate *
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gtk_menu_get_private (GtkMenu *menu)
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{
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return G_TYPE_INSTANCE_GET_PRIVATE (menu, GTK_TYPE_MENU, GtkMenuPrivate);
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}
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G_DEFINE_TYPE (GtkMenu, gtk_menu, GTK_TYPE_MENU_SHELL)
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static void
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menu_queue_resize (GtkMenu *menu)
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{
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GtkMenuPrivate *priv = gtk_menu_get_private (menu);
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priv->have_layout = FALSE;
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gtk_widget_queue_resize (GTK_WIDGET (menu));
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}
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static void
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attach_info_free (AttachInfo *info)
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{
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g_slice_free (AttachInfo, info);
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}
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static AttachInfo *
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get_attach_info (GtkWidget *child)
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{
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GObject *object = G_OBJECT (child);
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AttachInfo *ai = g_object_get_data (object, ATTACH_INFO_KEY);
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if (!ai)
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{
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ai = g_slice_new0 (AttachInfo);
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g_object_set_data_full (object, I_(ATTACH_INFO_KEY), ai,
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(GDestroyNotify) attach_info_free);
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}
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return ai;
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}
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static gboolean
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is_grid_attached (AttachInfo *ai)
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{
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return (ai->left_attach >= 0 &&
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ai->right_attach >= 0 &&
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ai->top_attach >= 0 &&
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ai->bottom_attach >= 0);
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}
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static void
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menu_ensure_layout (GtkMenu *menu)
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{
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GtkMenuPrivate *priv = gtk_menu_get_private (menu);
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if (!priv->have_layout)
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{
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GtkMenuShell *menu_shell = GTK_MENU_SHELL (menu);
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GList *l;
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gchar *row_occupied;
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gint current_row;
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gint max_right_attach;
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gint max_bottom_attach;
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/* Find extents of gridded portion
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*/
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max_right_attach = 1;
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max_bottom_attach = 0;
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for (l = menu_shell->children; l; l = l->next)
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{
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GtkWidget *child = l->data;
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AttachInfo *ai = get_attach_info (child);
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if (is_grid_attached (ai))
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{
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max_bottom_attach = MAX (max_bottom_attach, ai->bottom_attach);
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max_right_attach = MAX (max_right_attach, ai->right_attach);
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}
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}
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/* Find empty rows
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*/
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row_occupied = g_malloc0 (max_bottom_attach);
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for (l = menu_shell->children; l; l = l->next)
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{
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GtkWidget *child = l->data;
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AttachInfo *ai = get_attach_info (child);
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if (is_grid_attached (ai))
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{
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gint i;
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for (i = ai->top_attach; i < ai->bottom_attach; i++)
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row_occupied[i] = TRUE;
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}
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}
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/* Lay non-grid-items out in those rows
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*/
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current_row = 0;
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for (l = menu_shell->children; l; l = l->next)
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{
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GtkWidget *child = l->data;
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AttachInfo *ai = get_attach_info (child);
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if (!is_grid_attached (ai))
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{
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while (current_row < max_bottom_attach && row_occupied[current_row])
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current_row++;
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ai->effective_left_attach = 0;
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ai->effective_right_attach = max_right_attach;
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ai->effective_top_attach = current_row;
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ai->effective_bottom_attach = current_row + 1;
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current_row++;
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}
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else
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{
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ai->effective_left_attach = ai->left_attach;
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ai->effective_right_attach = ai->right_attach;
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ai->effective_top_attach = ai->top_attach;
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ai->effective_bottom_attach = ai->bottom_attach;
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}
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}
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g_free (row_occupied);
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priv->n_rows = MAX (current_row, max_bottom_attach);
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priv->n_columns = max_right_attach;
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priv->have_layout = TRUE;
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}
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}
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static gint
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gtk_menu_get_n_columns (GtkMenu *menu)
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{
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GtkMenuPrivate *priv = gtk_menu_get_private (menu);
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menu_ensure_layout (menu);
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return priv->n_columns;
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}
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static gint
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gtk_menu_get_n_rows (GtkMenu *menu)
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{
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GtkMenuPrivate *priv = gtk_menu_get_private (menu);
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menu_ensure_layout (menu);
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return priv->n_rows;
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}
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static void
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get_effective_child_attach (GtkWidget *child,
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int *l,
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int *r,
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int *t,
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int *b)
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{
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GtkMenu *menu = GTK_MENU (child->parent);
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AttachInfo *ai;
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menu_ensure_layout (menu);
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ai = get_attach_info (child);
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if (l)
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*l = ai->effective_left_attach;
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if (r)
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*r = ai->effective_right_attach;
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if (t)
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*t = ai->effective_top_attach;
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if (b)
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*b = ai->effective_bottom_attach;
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}
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static void
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gtk_menu_class_init (GtkMenuClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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GtkObjectClass *object_class = GTK_OBJECT_CLASS (class);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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GtkContainerClass *container_class = GTK_CONTAINER_CLASS (class);
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GtkMenuShellClass *menu_shell_class = GTK_MENU_SHELL_CLASS (class);
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GtkBindingSet *binding_set;
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gobject_class->set_property = gtk_menu_set_property;
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gobject_class->get_property = gtk_menu_get_property;
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object_class->destroy = gtk_menu_destroy;
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widget_class->realize = gtk_menu_realize;
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widget_class->unrealize = gtk_menu_unrealize;
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widget_class->size_request = gtk_menu_size_request;
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widget_class->size_allocate = gtk_menu_size_allocate;
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widget_class->show = gtk_menu_show;
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widget_class->expose_event = gtk_menu_expose;
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widget_class->scroll_event = gtk_menu_scroll;
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widget_class->key_press_event = gtk_menu_key_press;
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widget_class->button_press_event = gtk_menu_button_press;
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widget_class->button_release_event = gtk_menu_button_release;
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widget_class->motion_notify_event = gtk_menu_motion_notify;
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widget_class->show_all = gtk_menu_show_all;
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widget_class->hide_all = gtk_menu_hide_all;
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widget_class->enter_notify_event = gtk_menu_enter_notify;
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widget_class->leave_notify_event = gtk_menu_leave_notify;
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widget_class->style_set = gtk_menu_style_set;
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widget_class->focus = gtk_menu_focus;
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widget_class->can_activate_accel = gtk_menu_real_can_activate_accel;
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widget_class->grab_notify = gtk_menu_grab_notify;
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container_class->remove = gtk_menu_remove;
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container_class->get_child_property = gtk_menu_get_child_property;
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container_class->set_child_property = gtk_menu_set_child_property;
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menu_shell_class->submenu_placement = GTK_LEFT_RIGHT;
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menu_shell_class->deactivate = gtk_menu_deactivate;
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menu_shell_class->select_item = gtk_menu_select_item;
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menu_shell_class->insert = gtk_menu_real_insert;
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menu_shell_class->get_popup_delay = gtk_menu_get_popup_delay;
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menu_shell_class->move_current = gtk_menu_move_current;
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menu_signals[MOVE_SCROLL] =
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_gtk_binding_signal_new (I_("move_scroll"),
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
|
G_CALLBACK (gtk_menu_real_move_scroll),
|
|
NULL, NULL,
|
|
_gtk_marshal_VOID__ENUM,
|
|
G_TYPE_NONE, 1,
|
|
GTK_TYPE_SCROLL_TYPE);
|
|
|
|
/**
|
|
* GtkMenu:active:
|
|
*
|
|
* The currently selected menu item.
|
|
*
|
|
* Since: 2.14
|
|
**/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ACTIVE,
|
|
g_param_spec_uint ("active",
|
|
P_("Active"),
|
|
P_("The currently selected menu item"),
|
|
0, G_MAXUINT, 0,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkMenu:accel-group:
|
|
*
|
|
* The accel group holding accelerators for the menu.
|
|
*
|
|
* Since: 2.14
|
|
**/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ACCEL_GROUP,
|
|
g_param_spec_object ("accel-group",
|
|
P_("Accel Group"),
|
|
P_("The accel group holding accelerators for the menu"),
|
|
GTK_TYPE_ACCEL_GROUP,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkMenu:accel-path:
|
|
*
|
|
* An accel path used to conveniently construct accel paths of child items.
|
|
*
|
|
* Since: 2.14
|
|
**/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ACCEL_PATH,
|
|
g_param_spec_string ("accel-path",
|
|
P_("Accel Path"),
|
|
P_("An accel path used to conveniently construct accel paths of child items"),
|
|
NULL,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkMenu:attach-widget:
|
|
*
|
|
* The widget the menu is attached to.
|
|
*
|
|
* Since: 2.14
|
|
**/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ACCEL_PATH,
|
|
g_param_spec_string ("attach-widget",
|
|
P_("Attach Widget"),
|
|
P_("The widget the menu is attached to"),
|
|
NULL,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_TEAROFF_TITLE,
|
|
g_param_spec_string ("tearoff-title",
|
|
P_("Tearoff Title"),
|
|
P_("A title that may be displayed by the window manager when this menu is torn-off"),
|
|
NULL,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkMenu:tearoff-state:
|
|
*
|
|
* A boolean that indicates whether the menu is torn-off.
|
|
*
|
|
* Since: 2.6
|
|
**/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_TEAROFF_STATE,
|
|
g_param_spec_boolean ("tearoff-state",
|
|
P_("Tearoff State"),
|
|
P_("A boolean that indicates whether the menu is torn-off"),
|
|
FALSE,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkMenu:monitor:
|
|
*
|
|
* The monitor the menu will be popped up on.
|
|
*
|
|
* Since: 2.14
|
|
**/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_MONITOR,
|
|
g_param_spec_int ("monitor",
|
|
P_("Monitor"),
|
|
P_("The monitor the menu will be popped up on"),
|
|
-1, G_MAXINT, -1,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("vertical-padding",
|
|
P_("Vertical Padding"),
|
|
P_("Extra space at the top and bottom of the menu"),
|
|
0,
|
|
G_MAXINT,
|
|
1,
|
|
GTK_PARAM_READABLE));
|
|
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("horizontal-padding",
|
|
P_("Horizontal Padding"),
|
|
P_("Extra space at the left and right edges of the menu"),
|
|
0,
|
|
G_MAXINT,
|
|
0,
|
|
GTK_PARAM_READABLE));
|
|
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("vertical-offset",
|
|
P_("Vertical Offset"),
|
|
P_("When the menu is a submenu, position it this number of pixels offset vertically"),
|
|
G_MININT,
|
|
G_MAXINT,
|
|
0,
|
|
GTK_PARAM_READABLE));
|
|
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("horizontal-offset",
|
|
P_("Horizontal Offset"),
|
|
P_("When the menu is a submenu, position it this number of pixels offset horizontally"),
|
|
G_MININT,
|
|
G_MAXINT,
|
|
-2,
|
|
GTK_PARAM_READABLE));
|
|
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_boolean ("double-arrows",
|
|
P_("Double Arrows"),
|
|
P_("When scrolling, always show both arrows."),
|
|
TRUE,
|
|
GTK_PARAM_READABLE));
|
|
|
|
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_LEFT_ATTACH,
|
|
g_param_spec_int ("left-attach",
|
|
P_("Left Attach"),
|
|
P_("The column number to attach the left side of the child to"),
|
|
-1, INT_MAX, -1,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_RIGHT_ATTACH,
|
|
g_param_spec_int ("right-attach",
|
|
P_("Right Attach"),
|
|
P_("The column number to attach the right side of the child to"),
|
|
-1, INT_MAX, -1,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_TOP_ATTACH,
|
|
g_param_spec_int ("top-attach",
|
|
P_("Top Attach"),
|
|
P_("The row number to attach the top of the child to"),
|
|
-1, INT_MAX, -1,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
gtk_container_class_install_child_property (container_class,
|
|
CHILD_PROP_BOTTOM_ATTACH,
|
|
g_param_spec_int ("bottom-attach",
|
|
P_("Bottom Attach"),
|
|
P_("The row number to attach the bottom of the child to"),
|
|
-1, INT_MAX, -1,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
binding_set = gtk_binding_set_by_class (class);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_Up, 0,
|
|
I_("move_current"), 1,
|
|
GTK_TYPE_MENU_DIRECTION_TYPE,
|
|
GTK_MENU_DIR_PREV);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_KP_Up, 0,
|
|
"move_current", 1,
|
|
GTK_TYPE_MENU_DIRECTION_TYPE,
|
|
GTK_MENU_DIR_PREV);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_Down, 0,
|
|
"move_current", 1,
|
|
GTK_TYPE_MENU_DIRECTION_TYPE,
|
|
GTK_MENU_DIR_NEXT);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_KP_Down, 0,
|
|
"move_current", 1,
|
|
GTK_TYPE_MENU_DIRECTION_TYPE,
|
|
GTK_MENU_DIR_NEXT);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_Left, 0,
|
|
"move_current", 1,
|
|
GTK_TYPE_MENU_DIRECTION_TYPE,
|
|
GTK_MENU_DIR_PARENT);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_KP_Left, 0,
|
|
"move_current", 1,
|
|
GTK_TYPE_MENU_DIRECTION_TYPE,
|
|
GTK_MENU_DIR_PARENT);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_Right, 0,
|
|
"move_current", 1,
|
|
GTK_TYPE_MENU_DIRECTION_TYPE,
|
|
GTK_MENU_DIR_CHILD);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_KP_Right, 0,
|
|
"move_current", 1,
|
|
GTK_TYPE_MENU_DIRECTION_TYPE,
|
|
GTK_MENU_DIR_CHILD);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_Home, 0,
|
|
"move_scroll", 1,
|
|
GTK_TYPE_SCROLL_TYPE,
|
|
GTK_SCROLL_START);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_KP_Home, 0,
|
|
"move_scroll", 1,
|
|
GTK_TYPE_SCROLL_TYPE,
|
|
GTK_SCROLL_START);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_End, 0,
|
|
"move_scroll", 1,
|
|
GTK_TYPE_SCROLL_TYPE,
|
|
GTK_SCROLL_END);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_KP_End, 0,
|
|
"move_scroll", 1,
|
|
GTK_TYPE_SCROLL_TYPE,
|
|
GTK_SCROLL_END);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_Page_Up, 0,
|
|
"move_scroll", 1,
|
|
GTK_TYPE_SCROLL_TYPE,
|
|
GTK_SCROLL_PAGE_UP);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_KP_Page_Up, 0,
|
|
"move_scroll", 1,
|
|
GTK_TYPE_SCROLL_TYPE,
|
|
GTK_SCROLL_PAGE_UP);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_Page_Down, 0,
|
|
"move_scroll", 1,
|
|
GTK_TYPE_SCROLL_TYPE,
|
|
GTK_SCROLL_PAGE_DOWN);
|
|
gtk_binding_entry_add_signal (binding_set,
|
|
GDK_KP_Page_Down, 0,
|
|
"move_scroll", 1,
|
|
GTK_TYPE_SCROLL_TYPE,
|
|
GTK_SCROLL_PAGE_DOWN);
|
|
|
|
gtk_settings_install_property (g_param_spec_boolean ("gtk-can-change-accels",
|
|
P_("Can change accelerators"),
|
|
P_("Whether menu accelerators can be changed by pressing a key over the menu item"),
|
|
FALSE,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
gtk_settings_install_property (g_param_spec_int ("gtk-menu-popup-delay",
|
|
P_("Delay before submenus appear"),
|
|
P_("Minimum time the pointer must stay over a menu item before the submenu appear"),
|
|
0,
|
|
G_MAXINT,
|
|
DEFAULT_POPUP_DELAY,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
gtk_settings_install_property (g_param_spec_int ("gtk-menu-popdown-delay",
|
|
P_("Delay before hiding a submenu"),
|
|
P_("The time before hiding a submenu when the pointer is moving towards the submenu"),
|
|
0,
|
|
G_MAXINT,
|
|
DEFAULT_POPDOWN_DELAY,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_type_class_add_private (gobject_class, sizeof (GtkMenuPrivate));
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_menu_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkMenu *menu;
|
|
|
|
menu = GTK_MENU (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_ACTIVE:
|
|
gtk_menu_set_active (menu, g_value_get_uint (value));
|
|
break;
|
|
case PROP_ACCEL_GROUP:
|
|
gtk_menu_set_accel_group (menu, g_value_get_object (value));
|
|
break;
|
|
case PROP_ACCEL_PATH:
|
|
gtk_menu_set_accel_path (menu, g_value_get_string (value));
|
|
break;
|
|
case PROP_ATTACH_WIDGET:
|
|
gtk_menu_attach (menu, g_value_get_object (value), 0, 0, 0, 0);
|
|
break;
|
|
case PROP_TEAROFF_STATE:
|
|
gtk_menu_set_tearoff_state (menu, g_value_get_boolean (value));
|
|
break;
|
|
case PROP_TEAROFF_TITLE:
|
|
gtk_menu_set_title (menu, g_value_get_string (value));
|
|
break;
|
|
case PROP_MONITOR:
|
|
gtk_menu_set_monitor (menu, g_value_get_int (value));
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkMenu *menu;
|
|
|
|
menu = GTK_MENU (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_ACTIVE:
|
|
g_value_set_boolean (value, gtk_menu_get_active (menu));
|
|
break;
|
|
case PROP_ACCEL_GROUP:
|
|
g_value_set_object (value, gtk_menu_get_accel_group (menu));
|
|
break;
|
|
case PROP_ACCEL_PATH:
|
|
g_value_set_string (value, gtk_menu_get_accel_path (menu));
|
|
break;
|
|
case PROP_ATTACH_WIDGET:
|
|
g_value_set_object (value, gtk_menu_get_attach_widget (menu));
|
|
break;
|
|
case PROP_TEAROFF_STATE:
|
|
g_value_set_boolean (value, gtk_menu_get_tearoff_state (menu));
|
|
break;
|
|
case PROP_TEAROFF_TITLE:
|
|
g_value_set_string (value, gtk_menu_get_title (menu));
|
|
break;
|
|
case PROP_MONITOR:
|
|
g_value_set_int (value, gtk_menu_get_monitor (menu));
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_set_child_property (GtkContainer *container,
|
|
GtkWidget *child,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (container);
|
|
AttachInfo *ai = get_attach_info (child);
|
|
|
|
switch (property_id)
|
|
{
|
|
case CHILD_PROP_LEFT_ATTACH:
|
|
ai->left_attach = g_value_get_int (value);
|
|
break;
|
|
case CHILD_PROP_RIGHT_ATTACH:
|
|
ai->right_attach = g_value_get_int (value);
|
|
break;
|
|
case CHILD_PROP_TOP_ATTACH:
|
|
ai->top_attach = g_value_get_int (value);
|
|
break;
|
|
case CHILD_PROP_BOTTOM_ATTACH:
|
|
ai->bottom_attach = g_value_get_int (value);
|
|
break;
|
|
|
|
default:
|
|
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
|
|
return;
|
|
}
|
|
|
|
menu_queue_resize (menu);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_get_child_property (GtkContainer *container,
|
|
GtkWidget *child,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
AttachInfo *ai = get_attach_info (child);
|
|
|
|
switch (property_id)
|
|
{
|
|
case CHILD_PROP_LEFT_ATTACH:
|
|
g_value_set_int (value, ai->left_attach);
|
|
break;
|
|
case CHILD_PROP_RIGHT_ATTACH:
|
|
g_value_set_int (value, ai->right_attach);
|
|
break;
|
|
case CHILD_PROP_TOP_ATTACH:
|
|
g_value_set_int (value, ai->top_attach);
|
|
break;
|
|
case CHILD_PROP_BOTTOM_ATTACH:
|
|
g_value_set_int (value, ai->bottom_attach);
|
|
break;
|
|
|
|
default:
|
|
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_window_event (GtkWidget *window,
|
|
GdkEvent *event,
|
|
GtkWidget *menu)
|
|
{
|
|
gboolean handled = FALSE;
|
|
|
|
g_object_ref (window);
|
|
g_object_ref (menu);
|
|
|
|
switch (event->type)
|
|
{
|
|
case GDK_KEY_PRESS:
|
|
case GDK_KEY_RELEASE:
|
|
handled = gtk_widget_event (menu, event);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
g_object_unref (window);
|
|
g_object_unref (menu);
|
|
|
|
return handled;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_window_size_request (GtkWidget *window,
|
|
GtkRequisition *requisition,
|
|
GtkMenu *menu)
|
|
{
|
|
GtkMenuPrivate *private = gtk_menu_get_private (menu);
|
|
|
|
if (private->have_position)
|
|
{
|
|
GdkScreen *screen = gtk_widget_get_screen (window);
|
|
GdkRectangle monitor;
|
|
|
|
gdk_screen_get_monitor_geometry (screen, private->monitor_num, &monitor);
|
|
|
|
if (private->y + requisition->height > monitor.y + monitor.height)
|
|
requisition->height = monitor.y + monitor.height - private->y;
|
|
|
|
if (private->y < monitor.y)
|
|
requisition->height -= monitor.y - private->y;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_init (GtkMenu *menu)
|
|
{
|
|
GtkMenuPrivate *priv = gtk_menu_get_private (menu);
|
|
|
|
menu->parent_menu_item = NULL;
|
|
menu->old_active_menu_item = NULL;
|
|
menu->accel_group = NULL;
|
|
menu->position_func = NULL;
|
|
menu->position_func_data = NULL;
|
|
menu->toggle_size = 0;
|
|
|
|
menu->toplevel = g_object_connect (g_object_new (GTK_TYPE_WINDOW,
|
|
"type", GTK_WINDOW_POPUP,
|
|
"child", menu,
|
|
NULL),
|
|
"signal::event", gtk_menu_window_event, menu,
|
|
"signal::size_request", gtk_menu_window_size_request, menu,
|
|
"signal::destroy", gtk_widget_destroyed, &menu->toplevel,
|
|
NULL);
|
|
gtk_window_set_resizable (GTK_WINDOW (menu->toplevel), FALSE);
|
|
gtk_window_set_mnemonic_modifier (GTK_WINDOW (menu->toplevel), 0);
|
|
|
|
/* Refloat the menu, so that reference counting for the menu isn't
|
|
* affected by it being a child of the toplevel
|
|
*/
|
|
g_object_force_floating (G_OBJECT (menu));
|
|
menu->needs_destruction_ref_count = TRUE;
|
|
|
|
menu->view_window = NULL;
|
|
menu->bin_window = NULL;
|
|
|
|
menu->scroll_offset = 0;
|
|
menu->scroll_step = 0;
|
|
menu->timeout_id = 0;
|
|
menu->scroll_fast = FALSE;
|
|
|
|
menu->tearoff_window = NULL;
|
|
menu->tearoff_hbox = NULL;
|
|
menu->torn_off = FALSE;
|
|
menu->tearoff_active = FALSE;
|
|
menu->tearoff_adjustment = NULL;
|
|
menu->tearoff_scrollbar = NULL;
|
|
|
|
menu->upper_arrow_visible = FALSE;
|
|
menu->lower_arrow_visible = FALSE;
|
|
menu->upper_arrow_prelight = FALSE;
|
|
menu->lower_arrow_prelight = FALSE;
|
|
|
|
priv->upper_arrow_state = GTK_STATE_NORMAL;
|
|
priv->lower_arrow_state = GTK_STATE_NORMAL;
|
|
|
|
priv->have_layout = FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_destroy (GtkObject *object)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (object);
|
|
GtkMenuAttachData *data;
|
|
GtkMenuPrivate *priv;
|
|
|
|
gtk_menu_remove_scroll_timeout (menu);
|
|
|
|
data = g_object_get_data (G_OBJECT (object), attach_data_key);
|
|
if (data)
|
|
gtk_menu_detach (menu);
|
|
|
|
gtk_menu_stop_navigating_submenu (menu);
|
|
|
|
if (menu->old_active_menu_item)
|
|
{
|
|
g_object_unref (menu->old_active_menu_item);
|
|
menu->old_active_menu_item = NULL;
|
|
}
|
|
|
|
/* Add back the reference count for being a child */
|
|
if (menu->needs_destruction_ref_count)
|
|
{
|
|
menu->needs_destruction_ref_count = FALSE;
|
|
g_object_ref (object);
|
|
}
|
|
|
|
if (menu->accel_group)
|
|
{
|
|
g_object_unref (menu->accel_group);
|
|
menu->accel_group = NULL;
|
|
}
|
|
|
|
if (menu->toplevel)
|
|
gtk_widget_destroy (menu->toplevel);
|
|
|
|
if (menu->tearoff_window)
|
|
gtk_widget_destroy (menu->tearoff_window);
|
|
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
if (priv->heights)
|
|
{
|
|
g_free (priv->heights);
|
|
priv->heights = NULL;
|
|
}
|
|
|
|
if (priv->title)
|
|
{
|
|
g_free (priv->title);
|
|
priv->title = NULL;
|
|
}
|
|
|
|
GTK_OBJECT_CLASS (gtk_menu_parent_class)->destroy (object);
|
|
}
|
|
|
|
static void
|
|
menu_change_screen (GtkMenu *menu,
|
|
GdkScreen *new_screen)
|
|
{
|
|
GtkMenuPrivate *private = gtk_menu_get_private (menu);
|
|
|
|
if (gtk_widget_has_screen (GTK_WIDGET (menu)))
|
|
{
|
|
if (new_screen == gtk_widget_get_screen (GTK_WIDGET (menu)))
|
|
return;
|
|
}
|
|
|
|
if (menu->torn_off)
|
|
{
|
|
gtk_window_set_screen (GTK_WINDOW (menu->tearoff_window), new_screen);
|
|
gtk_menu_position (menu);
|
|
}
|
|
|
|
gtk_window_set_screen (GTK_WINDOW (menu->toplevel), new_screen);
|
|
private->monitor_num = -1;
|
|
}
|
|
|
|
static void
|
|
attach_widget_screen_changed (GtkWidget *attach_widget,
|
|
GdkScreen *previous_screen,
|
|
GtkMenu *menu)
|
|
{
|
|
if (gtk_widget_has_screen (attach_widget) &&
|
|
!g_object_get_data (G_OBJECT (menu), "gtk-menu-explicit-screen"))
|
|
{
|
|
menu_change_screen (menu, gtk_widget_get_screen (attach_widget));
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_menu_attach_to_widget (GtkMenu *menu,
|
|
GtkWidget *attach_widget,
|
|
GtkMenuDetachFunc detacher)
|
|
{
|
|
GtkMenuAttachData *data;
|
|
GList *list;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
g_return_if_fail (GTK_IS_WIDGET (attach_widget));
|
|
|
|
/* keep this function in sync with gtk_widget_set_parent()
|
|
*/
|
|
|
|
data = g_object_get_data (G_OBJECT (menu), attach_data_key);
|
|
if (data)
|
|
{
|
|
g_warning ("gtk_menu_attach_to_widget(): menu already attached to %s",
|
|
g_type_name (G_TYPE_FROM_INSTANCE (data->attach_widget)));
|
|
return;
|
|
}
|
|
|
|
g_object_ref_sink (menu);
|
|
|
|
data = g_slice_new (GtkMenuAttachData);
|
|
data->attach_widget = attach_widget;
|
|
|
|
g_signal_connect (attach_widget, "screen_changed",
|
|
G_CALLBACK (attach_widget_screen_changed), menu);
|
|
attach_widget_screen_changed (attach_widget, NULL, menu);
|
|
|
|
data->detacher = detacher;
|
|
g_object_set_data (G_OBJECT (menu), I_(attach_data_key), data);
|
|
list = g_object_steal_data (G_OBJECT (attach_widget), ATTACHED_MENUS);
|
|
if (!g_list_find (list, menu))
|
|
{
|
|
list = g_list_prepend (list, menu);
|
|
}
|
|
g_object_set_data_full (G_OBJECT (attach_widget), I_(ATTACHED_MENUS), list,
|
|
(GDestroyNotify) g_list_free);
|
|
|
|
if (GTK_WIDGET_STATE (menu) != GTK_STATE_NORMAL)
|
|
gtk_widget_set_state (GTK_WIDGET (menu), GTK_STATE_NORMAL);
|
|
|
|
/* we don't need to set the style here, since
|
|
* we are a toplevel widget.
|
|
*/
|
|
|
|
/* Fallback title for menu comes from attach widget */
|
|
gtk_menu_update_title (menu);
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_menu_get_attach_widget (GtkMenu *menu)
|
|
{
|
|
GtkMenuAttachData *data;
|
|
|
|
g_return_val_if_fail (GTK_IS_MENU (menu), NULL);
|
|
|
|
data = g_object_get_data (G_OBJECT (menu), attach_data_key);
|
|
if (data)
|
|
return data->attach_widget;
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
gtk_menu_detach (GtkMenu *menu)
|
|
{
|
|
GtkMenuAttachData *data;
|
|
GList *list;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
/* keep this function in sync with gtk_widget_unparent()
|
|
*/
|
|
data = g_object_get_data (G_OBJECT (menu), attach_data_key);
|
|
if (!data)
|
|
{
|
|
g_warning ("gtk_menu_detach(): menu is not attached");
|
|
return;
|
|
}
|
|
g_object_set_data (G_OBJECT (menu), I_(attach_data_key), NULL);
|
|
|
|
g_signal_handlers_disconnect_by_func (data->attach_widget,
|
|
(gpointer) attach_widget_screen_changed,
|
|
menu);
|
|
|
|
if (data->detacher)
|
|
data->detacher (data->attach_widget, menu);
|
|
list = g_object_steal_data (G_OBJECT (data->attach_widget), ATTACHED_MENUS);
|
|
list = g_list_remove (list, menu);
|
|
if (list)
|
|
g_object_set_data_full (G_OBJECT (data->attach_widget), I_(ATTACHED_MENUS), list,
|
|
(GDestroyNotify) g_list_free);
|
|
else
|
|
g_object_set_data (G_OBJECT (data->attach_widget), I_(ATTACHED_MENUS), NULL);
|
|
|
|
if (GTK_WIDGET_REALIZED (menu))
|
|
gtk_widget_unrealize (GTK_WIDGET (menu));
|
|
|
|
g_slice_free (GtkMenuAttachData, data);
|
|
|
|
/* Fallback title for menu comes from attach widget */
|
|
gtk_menu_update_title (menu);
|
|
|
|
g_object_unref (menu);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (container);
|
|
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
|
|
|
|
/* Clear out old_active_menu_item if it matches the item we are removing
|
|
*/
|
|
if (menu->old_active_menu_item == widget)
|
|
{
|
|
g_object_unref (menu->old_active_menu_item);
|
|
menu->old_active_menu_item = NULL;
|
|
}
|
|
|
|
GTK_CONTAINER_CLASS (gtk_menu_parent_class)->remove (container, widget);
|
|
g_object_set_data (G_OBJECT (widget), I_(ATTACH_INFO_KEY), NULL);
|
|
|
|
menu_queue_resize (menu);
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_menu_new (void)
|
|
{
|
|
return g_object_new (GTK_TYPE_MENU, NULL);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_real_insert (GtkMenuShell *menu_shell,
|
|
GtkWidget *child,
|
|
gint position)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (menu_shell);
|
|
AttachInfo *ai = get_attach_info (child);
|
|
|
|
ai->left_attach = -1;
|
|
ai->right_attach = -1;
|
|
ai->top_attach = -1;
|
|
ai->bottom_attach = -1;
|
|
|
|
if (GTK_WIDGET_REALIZED (menu_shell))
|
|
gtk_widget_set_parent_window (child, menu->bin_window);
|
|
|
|
GTK_MENU_SHELL_CLASS (gtk_menu_parent_class)->insert (menu_shell, child, position);
|
|
|
|
menu_queue_resize (menu);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_tearoff_bg_copy (GtkMenu *menu)
|
|
{
|
|
GtkWidget *widget;
|
|
gint width, height;
|
|
|
|
widget = GTK_WIDGET (menu);
|
|
|
|
if (menu->torn_off)
|
|
{
|
|
GdkPixmap *pixmap;
|
|
GdkGC *gc;
|
|
GdkGCValues gc_values;
|
|
|
|
menu->tearoff_active = FALSE;
|
|
menu->saved_scroll_offset = menu->scroll_offset;
|
|
|
|
gc_values.subwindow_mode = GDK_INCLUDE_INFERIORS;
|
|
gc = gdk_gc_new_with_values (widget->window,
|
|
&gc_values, GDK_GC_SUBWINDOW);
|
|
|
|
gdk_drawable_get_size (menu->tearoff_window->window, &width, &height);
|
|
|
|
pixmap = gdk_pixmap_new (menu->tearoff_window->window,
|
|
width,
|
|
height,
|
|
-1);
|
|
|
|
gdk_draw_drawable (pixmap, gc,
|
|
menu->tearoff_window->window,
|
|
0, 0, 0, 0, -1, -1);
|
|
g_object_unref (gc);
|
|
|
|
gtk_widget_set_size_request (menu->tearoff_window,
|
|
width,
|
|
height);
|
|
|
|
gdk_window_set_back_pixmap (menu->tearoff_window->window, pixmap, FALSE);
|
|
g_object_unref (pixmap);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
popup_grab_on_window (GdkWindow *window,
|
|
guint32 activate_time,
|
|
gboolean grab_keyboard)
|
|
{
|
|
if ((gdk_pointer_grab (window, TRUE,
|
|
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
|
|
GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
|
|
GDK_POINTER_MOTION_MASK,
|
|
NULL, NULL, activate_time) == 0))
|
|
{
|
|
if (!grab_keyboard ||
|
|
gdk_keyboard_grab (window, TRUE,
|
|
activate_time) == 0)
|
|
return TRUE;
|
|
else
|
|
{
|
|
gdk_display_pointer_ungrab (gdk_drawable_get_display (window),
|
|
activate_time);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_popup:
|
|
* @menu: a #GtkMenu.
|
|
* @parent_menu_shell: the menu shell containing the triggering menu item, or %NULL
|
|
* @parent_menu_item: the menu item whose activation triggered the popup, or %NULL
|
|
* @func: a user supplied function used to position the menu, or %NULL
|
|
* @data: user supplied data to be passed to @func.
|
|
* @button: the mouse button which was pressed to initiate the event.
|
|
* @activate_time: the time at which the activation event occurred.
|
|
*
|
|
* Displays a menu and makes it available for selection. Applications can use
|
|
* this function to display context-sensitive menus, and will typically supply
|
|
* %NULL for the @parent_menu_shell, @parent_menu_item, @func and @data
|
|
* parameters. The default menu positioning function will position the menu
|
|
* at the current mouse cursor position.
|
|
*
|
|
* The @button parameter should be the mouse button pressed to initiate
|
|
* the menu popup. If the menu popup was initiated by something other than
|
|
* a mouse button press, such as a mouse button release or a keypress,
|
|
* @button should be 0.
|
|
*
|
|
* The @activate_time parameter is used to conflict-resolve initiation of
|
|
* concurrent requests for mouse/keyboard grab requests. To function
|
|
* properly, this needs to be the time stamp of the user event (such as
|
|
* a mouse click or key press) that caused the initiation of the popup.
|
|
* Only if no such event is available, gtk_get_current_event_time() can
|
|
* be used instead.
|
|
*/
|
|
void
|
|
gtk_menu_popup (GtkMenu *menu,
|
|
GtkWidget *parent_menu_shell,
|
|
GtkWidget *parent_menu_item,
|
|
GtkMenuPositionFunc func,
|
|
gpointer data,
|
|
guint button,
|
|
guint32 activate_time)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkWidget *xgrab_shell;
|
|
GtkWidget *parent;
|
|
GdkEvent *current_event;
|
|
GtkMenuShell *menu_shell;
|
|
gboolean grab_keyboard;
|
|
GtkMenuPrivate *priv;
|
|
GtkWidget *parent_toplevel;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
widget = GTK_WIDGET (menu);
|
|
menu_shell = GTK_MENU_SHELL (menu);
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
menu_shell->parent_menu_shell = parent_menu_shell;
|
|
|
|
priv->seen_item_enter = FALSE;
|
|
|
|
/* Find the last viewable ancestor, and make an X grab on it
|
|
*/
|
|
parent = GTK_WIDGET (menu);
|
|
xgrab_shell = NULL;
|
|
while (parent)
|
|
{
|
|
gboolean viewable = TRUE;
|
|
GtkWidget *tmp = parent;
|
|
|
|
while (tmp)
|
|
{
|
|
if (!GTK_WIDGET_MAPPED (tmp))
|
|
{
|
|
viewable = FALSE;
|
|
break;
|
|
}
|
|
tmp = tmp->parent;
|
|
}
|
|
|
|
if (viewable)
|
|
xgrab_shell = parent;
|
|
|
|
parent = GTK_MENU_SHELL (parent)->parent_menu_shell;
|
|
}
|
|
|
|
/* We want to receive events generated when we map the menu; unfortunately,
|
|
* since there is probably already an implicit grab in place from the
|
|
* button that the user used to pop up the menu, we won't receive then --
|
|
* in particular, the EnterNotify when the menu pops up under the pointer.
|
|
*
|
|
* If we are grabbing on a parent menu shell, no problem; just grab on
|
|
* that menu shell first before popping up the window with owner_events = TRUE.
|
|
*
|
|
* When grabbing on the menu itself, things get more convuluted - we
|
|
* we do an explicit grab on a specially created window with
|
|
* owner_events = TRUE, which we override further down with a grab
|
|
* on the menu. (We can't grab on the menu until it is mapped; we
|
|
* probably could just leave the grab on the other window, with a
|
|
* little reorganization of the code in gtkmenu*).
|
|
*/
|
|
grab_keyboard = gtk_menu_shell_get_take_focus (menu_shell);
|
|
gtk_window_set_accept_focus (GTK_WINDOW (menu->toplevel), grab_keyboard);
|
|
|
|
if (xgrab_shell && xgrab_shell != widget)
|
|
{
|
|
if (popup_grab_on_window (xgrab_shell->window, activate_time, grab_keyboard))
|
|
GTK_MENU_SHELL (xgrab_shell)->have_xgrab = TRUE;
|
|
}
|
|
else
|
|
{
|
|
GdkWindow *transfer_window;
|
|
|
|
xgrab_shell = widget;
|
|
transfer_window = menu_grab_transfer_window_get (menu);
|
|
if (popup_grab_on_window (transfer_window, activate_time, grab_keyboard))
|
|
GTK_MENU_SHELL (xgrab_shell)->have_xgrab = TRUE;
|
|
}
|
|
|
|
if (!GTK_MENU_SHELL (xgrab_shell)->have_xgrab)
|
|
{
|
|
/* We failed to make our pointer/keyboard grab. Rather than leaving the user
|
|
* with a stuck up window, we just abort here. Presumably the user will
|
|
* try again.
|
|
*/
|
|
menu_shell->parent_menu_shell = NULL;
|
|
menu_grab_transfer_window_destroy (menu);
|
|
return;
|
|
}
|
|
|
|
menu_shell->active = TRUE;
|
|
menu_shell->button = button;
|
|
|
|
/* If we are popping up the menu from something other than, a button
|
|
* press then, as a heuristic, we ignore enter events for the menu
|
|
* until we get a MOTION_NOTIFY.
|
|
*/
|
|
|
|
current_event = gtk_get_current_event ();
|
|
if (current_event)
|
|
{
|
|
if ((current_event->type != GDK_BUTTON_PRESS) &&
|
|
(current_event->type != GDK_ENTER_NOTIFY))
|
|
menu_shell->ignore_enter = TRUE;
|
|
|
|
gdk_event_free (current_event);
|
|
}
|
|
else
|
|
menu_shell->ignore_enter = TRUE;
|
|
|
|
if (menu->torn_off)
|
|
{
|
|
gtk_menu_tearoff_bg_copy (menu);
|
|
|
|
gtk_menu_reparent (menu, menu->toplevel, FALSE);
|
|
}
|
|
|
|
parent_toplevel = NULL;
|
|
if (parent_menu_shell)
|
|
parent_toplevel = gtk_widget_get_toplevel (parent_menu_shell);
|
|
else if (!g_object_get_data (G_OBJECT (menu), "gtk-menu-explicit-screen"))
|
|
{
|
|
GtkWidget *attach_widget = gtk_menu_get_attach_widget (menu);
|
|
if (attach_widget)
|
|
parent_toplevel = gtk_widget_get_toplevel (attach_widget);
|
|
}
|
|
|
|
/* Set transient for to get the right window group and parent relationship */
|
|
if (GTK_IS_WINDOW (parent_toplevel))
|
|
gtk_window_set_transient_for (GTK_WINDOW (menu->toplevel),
|
|
GTK_WINDOW (parent_toplevel));
|
|
|
|
menu->parent_menu_item = parent_menu_item;
|
|
menu->position_func = func;
|
|
menu->position_func_data = data;
|
|
menu_shell->activate_time = activate_time;
|
|
|
|
/* We need to show the menu here rather in the init function because
|
|
* code expects to be able to tell if the menu is onscreen by
|
|
* looking at the GTK_WIDGET_VISIBLE (menu)
|
|
*/
|
|
gtk_widget_show (GTK_WIDGET (menu));
|
|
|
|
/* Position the menu, possibly changing the size request
|
|
*/
|
|
gtk_menu_position (menu);
|
|
|
|
/* Compute the size of the toplevel and realize it so we
|
|
* can scroll correctly.
|
|
*/
|
|
{
|
|
GtkRequisition tmp_request;
|
|
GtkAllocation tmp_allocation = { 0, };
|
|
|
|
gtk_widget_size_request (menu->toplevel, &tmp_request);
|
|
|
|
tmp_allocation.width = tmp_request.width;
|
|
tmp_allocation.height = tmp_request.height;
|
|
|
|
gtk_widget_size_allocate (menu->toplevel, &tmp_allocation);
|
|
|
|
gtk_widget_realize (GTK_WIDGET (menu));
|
|
}
|
|
|
|
gtk_menu_scroll_to (menu, menu->scroll_offset);
|
|
|
|
/* if no item is selected, select the first one */
|
|
if (!menu_shell->active_menu_item)
|
|
{
|
|
gboolean touchscreen_mode;
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
|
|
"gtk-touchscreen-mode", &touchscreen_mode,
|
|
NULL);
|
|
|
|
if (touchscreen_mode)
|
|
gtk_menu_shell_select_first (menu_shell, TRUE);
|
|
}
|
|
|
|
/* Once everything is set up correctly, map the toplevel window on
|
|
the screen.
|
|
*/
|
|
gtk_widget_show (menu->toplevel);
|
|
|
|
if (xgrab_shell == widget)
|
|
popup_grab_on_window (widget->window, activate_time, grab_keyboard); /* Should always succeed */
|
|
gtk_grab_add (GTK_WIDGET (menu));
|
|
}
|
|
|
|
void
|
|
gtk_menu_popdown (GtkMenu *menu)
|
|
{
|
|
GtkMenuPrivate *private;
|
|
GtkMenuShell *menu_shell;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
menu_shell = GTK_MENU_SHELL (menu);
|
|
private = gtk_menu_get_private (menu);
|
|
|
|
menu_shell->parent_menu_shell = NULL;
|
|
menu_shell->active = FALSE;
|
|
menu_shell->ignore_enter = FALSE;
|
|
|
|
private->have_position = FALSE;
|
|
|
|
gtk_menu_stop_scrolling (menu);
|
|
|
|
gtk_menu_stop_navigating_submenu (menu);
|
|
|
|
if (menu_shell->active_menu_item)
|
|
{
|
|
if (menu->old_active_menu_item)
|
|
g_object_unref (menu->old_active_menu_item);
|
|
menu->old_active_menu_item = menu_shell->active_menu_item;
|
|
g_object_ref (menu->old_active_menu_item);
|
|
}
|
|
|
|
gtk_menu_shell_deselect (menu_shell);
|
|
|
|
/* The X Grab, if present, will automatically be removed when we hide
|
|
* the window */
|
|
gtk_widget_hide (menu->toplevel);
|
|
gtk_window_set_transient_for (GTK_WINDOW (menu->toplevel), NULL);
|
|
|
|
if (menu->torn_off)
|
|
{
|
|
gtk_widget_set_size_request (menu->tearoff_window, -1, -1);
|
|
|
|
if (GTK_BIN (menu->toplevel)->child)
|
|
{
|
|
gtk_menu_reparent (menu, menu->tearoff_hbox, TRUE);
|
|
}
|
|
else
|
|
{
|
|
/* We popped up the menu from the tearoff, so we need to
|
|
* release the grab - we aren't actually hiding the menu.
|
|
*/
|
|
if (menu_shell->have_xgrab)
|
|
{
|
|
GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (menu));
|
|
|
|
gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
|
|
gdk_display_keyboard_ungrab (display, GDK_CURRENT_TIME);
|
|
}
|
|
}
|
|
|
|
/* gtk_menu_popdown is called each time a menu item is selected from
|
|
* a torn off menu. Only scroll back to the saved position if the
|
|
* non-tearoff menu was popped down.
|
|
*/
|
|
if (!menu->tearoff_active)
|
|
gtk_menu_scroll_to (menu, menu->saved_scroll_offset);
|
|
menu->tearoff_active = TRUE;
|
|
}
|
|
else
|
|
gtk_widget_hide (GTK_WIDGET (menu));
|
|
|
|
menu_shell->have_xgrab = FALSE;
|
|
gtk_grab_remove (GTK_WIDGET (menu));
|
|
|
|
menu_grab_transfer_window_destroy (menu);
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_menu_get_active (GtkMenu *menu)
|
|
{
|
|
GtkWidget *child;
|
|
GList *children;
|
|
|
|
g_return_val_if_fail (GTK_IS_MENU (menu), NULL);
|
|
|
|
if (!menu->old_active_menu_item)
|
|
{
|
|
child = NULL;
|
|
children = GTK_MENU_SHELL (menu)->children;
|
|
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
if (GTK_BIN (child)->child)
|
|
break;
|
|
child = NULL;
|
|
}
|
|
|
|
menu->old_active_menu_item = child;
|
|
if (menu->old_active_menu_item)
|
|
g_object_ref (menu->old_active_menu_item);
|
|
}
|
|
|
|
return menu->old_active_menu_item;
|
|
}
|
|
|
|
void
|
|
gtk_menu_set_active (GtkMenu *menu,
|
|
guint index)
|
|
{
|
|
GtkWidget *child;
|
|
GList *tmp_list;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
tmp_list = g_list_nth (GTK_MENU_SHELL (menu)->children, index);
|
|
if (tmp_list)
|
|
{
|
|
child = tmp_list->data;
|
|
if (GTK_BIN (child)->child)
|
|
{
|
|
if (menu->old_active_menu_item)
|
|
g_object_unref (menu->old_active_menu_item);
|
|
menu->old_active_menu_item = child;
|
|
g_object_ref (menu->old_active_menu_item);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_menu_set_accel_group (GtkMenu *menu,
|
|
GtkAccelGroup *accel_group)
|
|
{
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
if (menu->accel_group != accel_group)
|
|
{
|
|
if (menu->accel_group)
|
|
g_object_unref (menu->accel_group);
|
|
menu->accel_group = accel_group;
|
|
if (menu->accel_group)
|
|
g_object_ref (menu->accel_group);
|
|
_gtk_menu_refresh_accel_paths (menu, TRUE);
|
|
}
|
|
}
|
|
|
|
GtkAccelGroup*
|
|
gtk_menu_get_accel_group (GtkMenu *menu)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_MENU (menu), NULL);
|
|
|
|
return menu->accel_group;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_real_can_activate_accel (GtkWidget *widget,
|
|
guint signal_id)
|
|
{
|
|
/* Menu items chain here to figure whether they can activate their
|
|
* accelerators. Unlike ordinary widgets, menus allow accel
|
|
* activation even if invisible since that's the usual case for
|
|
* submenus/popup-menus. however, the state of the attach widget
|
|
* affects the "activeness" of the menu.
|
|
*/
|
|
GtkWidget *awidget = gtk_menu_get_attach_widget (GTK_MENU (widget));
|
|
|
|
if (awidget)
|
|
return gtk_widget_can_activate_accel (awidget, signal_id);
|
|
else
|
|
return GTK_WIDGET_IS_SENSITIVE (widget);
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_set_accel_path
|
|
* @menu: a valid #GtkMenu
|
|
* @accel_path: a valid accelerator path
|
|
*
|
|
* Sets an accelerator path for this menu from which accelerator paths
|
|
* for its immediate children, its menu items, can be constructed.
|
|
* The main purpose of this function is to spare the programmer the
|
|
* inconvenience of having to call gtk_menu_item_set_accel_path() on
|
|
* each menu item that should support runtime user changable accelerators.
|
|
* Instead, by just calling gtk_menu_set_accel_path() on their parent,
|
|
* each menu item of this menu, that contains a label describing its purpose,
|
|
* automatically gets an accel path assigned. For example, a menu containing
|
|
* menu items "New" and "Exit", will, after
|
|
* <literal>gtk_menu_set_accel_path (menu, "<Gnumeric-Sheet>/File");</literal>
|
|
* has been called, assign its items the accel paths:
|
|
* <literal>"<Gnumeric-Sheet>/File/New"</literal> and <literal>"<Gnumeric-Sheet>/File/Exit"</literal>.
|
|
* Assigning accel paths to menu items then enables the user to change
|
|
* their accelerators at runtime. More details about accelerator paths
|
|
* and their default setups can be found at gtk_accel_map_add_entry().
|
|
*
|
|
* Note that @accel_path string will be stored in a #GQuark. Therefore, if you
|
|
* pass a static string, you can save some memory by interning it first with
|
|
* g_intern_static_string().
|
|
*/
|
|
void
|
|
gtk_menu_set_accel_path (GtkMenu *menu,
|
|
const gchar *accel_path)
|
|
{
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
if (accel_path)
|
|
g_return_if_fail (accel_path[0] == '<' && strchr (accel_path, '/')); /* simplistic check */
|
|
|
|
/* FIXME: accel_path should be defined as const gchar* */
|
|
menu->accel_path = (gchar*)g_intern_string (accel_path);
|
|
if (menu->accel_path)
|
|
_gtk_menu_refresh_accel_paths (menu, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_get_accel_path
|
|
* @menu: a valid #GtkMenu
|
|
*
|
|
* Retrieves the accelerator path set on the menu.
|
|
*
|
|
* Since: 2.14
|
|
*/
|
|
const gchar*
|
|
gtk_menu_get_accel_path (GtkMenu *menu)
|
|
{
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
return menu->accel_path;
|
|
}
|
|
|
|
typedef struct {
|
|
GtkMenu *menu;
|
|
gboolean group_changed;
|
|
} AccelPropagation;
|
|
|
|
static void
|
|
refresh_accel_paths_foreach (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
AccelPropagation *prop = data;
|
|
|
|
if (GTK_IS_MENU_ITEM (widget)) /* should always be true */
|
|
_gtk_menu_item_refresh_accel_path (GTK_MENU_ITEM (widget),
|
|
prop->menu->accel_path,
|
|
prop->menu->accel_group,
|
|
prop->group_changed);
|
|
}
|
|
|
|
static void
|
|
_gtk_menu_refresh_accel_paths (GtkMenu *menu,
|
|
gboolean group_changed)
|
|
{
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
if (menu->accel_path && menu->accel_group)
|
|
{
|
|
AccelPropagation prop;
|
|
|
|
prop.menu = menu;
|
|
prop.group_changed = group_changed;
|
|
gtk_container_foreach (GTK_CONTAINER (menu),
|
|
refresh_accel_paths_foreach,
|
|
&prop);
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_menu_reposition (GtkMenu *menu)
|
|
{
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
if (GTK_WIDGET_DRAWABLE (menu) && !menu->torn_off)
|
|
gtk_menu_position (menu);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_scrollbar_changed (GtkAdjustment *adjustment,
|
|
GtkMenu *menu)
|
|
{
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
if (adjustment->value != menu->scroll_offset)
|
|
gtk_menu_scroll_to (menu, adjustment->value);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_set_tearoff_hints (GtkMenu *menu,
|
|
gint width)
|
|
{
|
|
GdkGeometry geometry_hints;
|
|
|
|
if (!menu->tearoff_window)
|
|
return;
|
|
|
|
if (GTK_WIDGET_VISIBLE (menu->tearoff_scrollbar))
|
|
{
|
|
gtk_widget_size_request (menu->tearoff_scrollbar, NULL);
|
|
width += menu->tearoff_scrollbar->requisition.width;
|
|
}
|
|
|
|
geometry_hints.min_width = width;
|
|
geometry_hints.max_width = width;
|
|
|
|
geometry_hints.min_height = 0;
|
|
geometry_hints.max_height = GTK_WIDGET (menu)->requisition.height;
|
|
|
|
gtk_window_set_geometry_hints (GTK_WINDOW (menu->tearoff_window),
|
|
NULL,
|
|
&geometry_hints,
|
|
GDK_HINT_MAX_SIZE|GDK_HINT_MIN_SIZE);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_update_title (GtkMenu *menu)
|
|
{
|
|
if (menu->tearoff_window)
|
|
{
|
|
const gchar *title;
|
|
GtkWidget *attach_widget;
|
|
|
|
title = gtk_menu_get_title (menu);
|
|
if (!title)
|
|
{
|
|
attach_widget = gtk_menu_get_attach_widget (menu);
|
|
if (GTK_IS_MENU_ITEM (attach_widget))
|
|
{
|
|
GtkWidget *child = GTK_BIN (attach_widget)->child;
|
|
if (GTK_IS_LABEL (child))
|
|
title = gtk_label_get_text (GTK_LABEL (child));
|
|
}
|
|
}
|
|
|
|
if (title)
|
|
gtk_window_set_title (GTK_WINDOW (menu->tearoff_window), title);
|
|
}
|
|
}
|
|
|
|
static GtkWidget*
|
|
gtk_menu_get_toplevel (GtkWidget *menu)
|
|
{
|
|
GtkWidget *attach, *toplevel;
|
|
|
|
attach = gtk_menu_get_attach_widget (GTK_MENU (menu));
|
|
|
|
if (GTK_IS_MENU_ITEM (attach))
|
|
attach = attach->parent;
|
|
|
|
if (GTK_IS_MENU (attach))
|
|
return gtk_menu_get_toplevel (attach);
|
|
else if (GTK_IS_WIDGET (attach))
|
|
{
|
|
toplevel = gtk_widget_get_toplevel (attach);
|
|
if (GTK_WIDGET_TOPLEVEL (toplevel))
|
|
return toplevel;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
tearoff_window_destroyed (GtkWidget *widget,
|
|
GtkMenu *menu)
|
|
{
|
|
gtk_menu_set_tearoff_state (menu, FALSE);
|
|
}
|
|
|
|
void
|
|
gtk_menu_set_tearoff_state (GtkMenu *menu,
|
|
gboolean torn_off)
|
|
{
|
|
gint width, height;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
if (menu->torn_off != torn_off)
|
|
{
|
|
menu->torn_off = torn_off;
|
|
menu->tearoff_active = torn_off;
|
|
|
|
if (menu->torn_off)
|
|
{
|
|
if (GTK_WIDGET_VISIBLE (menu))
|
|
gtk_menu_popdown (menu);
|
|
|
|
if (!menu->tearoff_window)
|
|
{
|
|
GtkWidget *toplevel;
|
|
|
|
menu->tearoff_window = g_object_new (GTK_TYPE_WINDOW,
|
|
"type", GTK_WINDOW_TOPLEVEL,
|
|
"screen", gtk_widget_get_screen (menu->toplevel),
|
|
"app-paintable", TRUE,
|
|
NULL);
|
|
|
|
gtk_window_set_type_hint (GTK_WINDOW (menu->tearoff_window),
|
|
GDK_WINDOW_TYPE_HINT_MENU);
|
|
gtk_window_set_mnemonic_modifier (GTK_WINDOW (menu->tearoff_window), 0);
|
|
g_signal_connect (menu->tearoff_window, "destroy",
|
|
G_CALLBACK (tearoff_window_destroyed), menu);
|
|
g_signal_connect (menu->tearoff_window, "event",
|
|
G_CALLBACK (gtk_menu_window_event), menu);
|
|
|
|
gtk_menu_update_title (menu);
|
|
|
|
gtk_widget_realize (menu->tearoff_window);
|
|
|
|
toplevel = gtk_menu_get_toplevel (GTK_WIDGET (menu));
|
|
if (toplevel != NULL)
|
|
gtk_window_set_transient_for (GTK_WINDOW (menu->tearoff_window),
|
|
GTK_WINDOW (toplevel));
|
|
|
|
menu->tearoff_hbox = gtk_hbox_new (FALSE, FALSE);
|
|
gtk_container_add (GTK_CONTAINER (menu->tearoff_window), menu->tearoff_hbox);
|
|
|
|
gdk_drawable_get_size (GTK_WIDGET (menu)->window, &width, &height);
|
|
menu->tearoff_adjustment =
|
|
GTK_ADJUSTMENT (gtk_adjustment_new (0,
|
|
0,
|
|
GTK_WIDGET (menu)->requisition.height,
|
|
MENU_SCROLL_STEP2,
|
|
height/2,
|
|
height));
|
|
g_object_connect (menu->tearoff_adjustment,
|
|
"signal::value_changed", gtk_menu_scrollbar_changed, menu,
|
|
NULL);
|
|
menu->tearoff_scrollbar = gtk_vscrollbar_new (menu->tearoff_adjustment);
|
|
|
|
gtk_box_pack_end (GTK_BOX (menu->tearoff_hbox),
|
|
menu->tearoff_scrollbar,
|
|
FALSE, FALSE, 0);
|
|
|
|
if (menu->tearoff_adjustment->upper > height)
|
|
gtk_widget_show (menu->tearoff_scrollbar);
|
|
|
|
gtk_widget_show (menu->tearoff_hbox);
|
|
}
|
|
|
|
gtk_menu_reparent (menu, menu->tearoff_hbox, FALSE);
|
|
|
|
gdk_drawable_get_size (GTK_WIDGET (menu)->window, &width, NULL);
|
|
|
|
/* Update menu->requisition
|
|
*/
|
|
gtk_widget_size_request (GTK_WIDGET (menu), NULL);
|
|
|
|
gtk_menu_set_tearoff_hints (menu, width);
|
|
|
|
gtk_widget_realize (menu->tearoff_window);
|
|
gtk_menu_position (menu);
|
|
|
|
gtk_widget_show (GTK_WIDGET (menu));
|
|
gtk_widget_show (menu->tearoff_window);
|
|
|
|
gtk_menu_scroll_to (menu, 0);
|
|
|
|
}
|
|
else
|
|
{
|
|
gtk_widget_hide (GTK_WIDGET (menu));
|
|
gtk_widget_hide (menu->tearoff_window);
|
|
if (GTK_IS_CONTAINER (menu->toplevel))
|
|
gtk_menu_reparent (menu, menu->toplevel, FALSE);
|
|
gtk_widget_destroy (menu->tearoff_window);
|
|
|
|
menu->tearoff_window = NULL;
|
|
menu->tearoff_hbox = NULL;
|
|
menu->tearoff_scrollbar = NULL;
|
|
menu->tearoff_adjustment = NULL;
|
|
}
|
|
|
|
g_object_notify (G_OBJECT (menu), "tearoff-state");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_get_tearoff_state:
|
|
* @menu: a #GtkMenu
|
|
*
|
|
* Returns whether the menu is torn off. See
|
|
* gtk_menu_set_tearoff_state ().
|
|
*
|
|
* Return value: %TRUE if the menu is currently torn off.
|
|
**/
|
|
gboolean
|
|
gtk_menu_get_tearoff_state (GtkMenu *menu)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_MENU (menu), FALSE);
|
|
|
|
return menu->torn_off;
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_set_title:
|
|
* @menu: a #GtkMenu
|
|
* @title: a string containing the title for the menu.
|
|
*
|
|
* Sets the title string for the menu. The title is displayed when the menu
|
|
* is shown as a tearoff menu. If @title is %NULL, the menu will see if it is
|
|
* attached to a parent menu item, and if so it will try to use the same text as
|
|
* that menu item's label.
|
|
**/
|
|
void
|
|
gtk_menu_set_title (GtkMenu *menu,
|
|
const gchar *title)
|
|
{
|
|
GtkMenuPrivate *priv;
|
|
char *old_title;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
old_title = priv->title;
|
|
priv->title = g_strdup (title);
|
|
g_free (old_title);
|
|
|
|
gtk_menu_update_title (menu);
|
|
g_object_notify (G_OBJECT (menu), "tearoff-title");
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_get_title:
|
|
* @menu: a #GtkMenu
|
|
*
|
|
* Returns the title of the menu. See gtk_menu_set_title().
|
|
*
|
|
* Return value: the title of the menu, or %NULL if the menu has no
|
|
* title set on it. This string is owned by the widget and should
|
|
* not be modified or freed.
|
|
**/
|
|
G_CONST_RETURN gchar *
|
|
gtk_menu_get_title (GtkMenu *menu)
|
|
{
|
|
GtkMenuPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_MENU (menu), NULL);
|
|
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
return priv->title;
|
|
}
|
|
|
|
void
|
|
gtk_menu_reorder_child (GtkMenu *menu,
|
|
GtkWidget *child,
|
|
gint position)
|
|
{
|
|
GtkMenuShell *menu_shell;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (child));
|
|
|
|
menu_shell = GTK_MENU_SHELL (menu);
|
|
|
|
if (g_list_find (menu_shell->children, child))
|
|
{
|
|
menu_shell->children = g_list_remove (menu_shell->children, child);
|
|
menu_shell->children = g_list_insert (menu_shell->children, child, position);
|
|
|
|
menu_queue_resize (menu);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_style_set (GtkWidget *widget,
|
|
GtkStyle *previous_style)
|
|
{
|
|
if (GTK_WIDGET_REALIZED (widget))
|
|
{
|
|
GtkMenu *menu = GTK_MENU (widget);
|
|
|
|
gtk_style_set_background (widget->style, menu->bin_window, GTK_STATE_NORMAL);
|
|
gtk_style_set_background (widget->style, menu->view_window, GTK_STATE_NORMAL);
|
|
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
|
|
}
|
|
}
|
|
|
|
static void
|
|
get_arrows_border (GtkMenu *menu, GtkBorder *border)
|
|
{
|
|
guint scroll_arrow_height;
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (menu),
|
|
"scroll-arrow-vlength", &scroll_arrow_height,
|
|
NULL);
|
|
|
|
border->top = menu->upper_arrow_visible ? scroll_arrow_height : 0;
|
|
border->bottom = menu->lower_arrow_visible ? scroll_arrow_height : 0;
|
|
|
|
border->left = border->right = 0;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_realize (GtkWidget *widget)
|
|
{
|
|
GdkWindowAttr attributes;
|
|
gint attributes_mask;
|
|
gint border_width;
|
|
GtkMenu *menu;
|
|
GtkWidget *child;
|
|
GList *children;
|
|
guint vertical_padding;
|
|
guint horizontal_padding;
|
|
GtkBorder arrow_border;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (widget));
|
|
|
|
menu = GTK_MENU (widget);
|
|
|
|
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
|
|
|
|
attributes.window_type = GDK_WINDOW_CHILD;
|
|
attributes.x = widget->allocation.x;
|
|
attributes.y = widget->allocation.y;
|
|
attributes.width = widget->allocation.width;
|
|
attributes.height = widget->allocation.height;
|
|
attributes.wclass = GDK_INPUT_OUTPUT;
|
|
attributes.visual = gtk_widget_get_visual (widget);
|
|
attributes.colormap = gtk_widget_get_colormap (widget);
|
|
|
|
attributes.event_mask = gtk_widget_get_events (widget);
|
|
|
|
attributes.event_mask |= (GDK_EXPOSURE_MASK | GDK_KEY_PRESS_MASK |
|
|
GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
|
|
|
|
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
|
|
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
|
|
gdk_window_set_user_data (widget->window, widget);
|
|
|
|
border_width = GTK_CONTAINER (widget)->border_width;
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (menu),
|
|
"vertical-padding", &vertical_padding,
|
|
"horizontal-padding", &horizontal_padding,
|
|
NULL);
|
|
|
|
attributes.x = border_width + widget->style->xthickness + horizontal_padding;
|
|
attributes.y = border_width + widget->style->ythickness + vertical_padding;
|
|
attributes.width = MAX (1, widget->allocation.width - attributes.x * 2);
|
|
attributes.height = MAX (1, widget->allocation.height - attributes.y * 2);
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
attributes.y += arrow_border.top;
|
|
attributes.height -= arrow_border.top;
|
|
attributes.height -= arrow_border.bottom;
|
|
|
|
menu->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
|
|
gdk_window_set_user_data (menu->view_window, menu);
|
|
|
|
attributes.x = 0;
|
|
attributes.y = 0;
|
|
attributes.width = MAX (1, widget->allocation.width - (border_width + widget->style->xthickness + horizontal_padding) * 2);
|
|
attributes.height = MAX (1, widget->requisition.height - (border_width + widget->style->ythickness + vertical_padding) * 2);
|
|
|
|
menu->bin_window = gdk_window_new (menu->view_window, &attributes, attributes_mask);
|
|
gdk_window_set_user_data (menu->bin_window, menu);
|
|
|
|
children = GTK_MENU_SHELL (menu)->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
gtk_widget_set_parent_window (child, menu->bin_window);
|
|
}
|
|
|
|
widget->style = gtk_style_attach (widget->style, widget->window);
|
|
gtk_style_set_background (widget->style, menu->bin_window, GTK_STATE_NORMAL);
|
|
gtk_style_set_background (widget->style, menu->view_window, GTK_STATE_NORMAL);
|
|
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
|
|
|
|
if (GTK_MENU_SHELL (widget)->active_menu_item)
|
|
gtk_menu_scroll_item_visible (GTK_MENU_SHELL (widget),
|
|
GTK_MENU_SHELL (widget)->active_menu_item);
|
|
|
|
gdk_window_show (menu->bin_window);
|
|
gdk_window_show (menu->view_window);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_focus (GtkWidget *widget,
|
|
GtkDirectionType direction)
|
|
{
|
|
/*
|
|
* A menu or its menu items cannot have focus
|
|
*/
|
|
return FALSE;
|
|
}
|
|
|
|
/* See notes in gtk_menu_popup() for information about the "grab transfer window"
|
|
*/
|
|
static GdkWindow *
|
|
menu_grab_transfer_window_get (GtkMenu *menu)
|
|
{
|
|
GdkWindow *window = g_object_get_data (G_OBJECT (menu), "gtk-menu-transfer-window");
|
|
if (!window)
|
|
{
|
|
GdkWindowAttr attributes;
|
|
gint attributes_mask;
|
|
|
|
attributes.x = -100;
|
|
attributes.y = -100;
|
|
attributes.width = 10;
|
|
attributes.height = 10;
|
|
attributes.window_type = GDK_WINDOW_TEMP;
|
|
attributes.wclass = GDK_INPUT_ONLY;
|
|
attributes.override_redirect = TRUE;
|
|
attributes.event_mask = 0;
|
|
|
|
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
|
|
|
|
window = gdk_window_new (gtk_widget_get_root_window (GTK_WIDGET (menu)),
|
|
&attributes, attributes_mask);
|
|
gdk_window_set_user_data (window, menu);
|
|
|
|
gdk_window_show (window);
|
|
|
|
g_object_set_data (G_OBJECT (menu), I_("gtk-menu-transfer-window"), window);
|
|
}
|
|
|
|
return window;
|
|
}
|
|
|
|
static void
|
|
menu_grab_transfer_window_destroy (GtkMenu *menu)
|
|
{
|
|
GdkWindow *window = g_object_get_data (G_OBJECT (menu), "gtk-menu-transfer-window");
|
|
if (window)
|
|
{
|
|
gdk_window_set_user_data (window, NULL);
|
|
gdk_window_destroy (window);
|
|
g_object_set_data (G_OBJECT (menu), I_("gtk-menu-transfer-window"), NULL);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_unrealize (GtkWidget *widget)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (widget);
|
|
|
|
menu_grab_transfer_window_destroy (menu);
|
|
|
|
gdk_window_set_user_data (menu->view_window, NULL);
|
|
gdk_window_destroy (menu->view_window);
|
|
menu->view_window = NULL;
|
|
|
|
gdk_window_set_user_data (menu->bin_window, NULL);
|
|
gdk_window_destroy (menu->bin_window);
|
|
menu->bin_window = NULL;
|
|
|
|
(* GTK_WIDGET_CLASS (gtk_menu_parent_class)->unrealize) (widget);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_size_request (GtkWidget *widget,
|
|
GtkRequisition *requisition)
|
|
{
|
|
gint i;
|
|
GtkMenu *menu;
|
|
GtkMenuShell *menu_shell;
|
|
GtkWidget *child;
|
|
GList *children;
|
|
guint max_toggle_size;
|
|
guint max_accel_width;
|
|
guint vertical_padding;
|
|
guint horizontal_padding;
|
|
GtkRequisition child_requisition;
|
|
GtkMenuPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (widget));
|
|
g_return_if_fail (requisition != NULL);
|
|
|
|
menu = GTK_MENU (widget);
|
|
menu_shell = GTK_MENU_SHELL (widget);
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
requisition->width = 0;
|
|
requisition->height = 0;
|
|
|
|
max_toggle_size = 0;
|
|
max_accel_width = 0;
|
|
|
|
g_free (priv->heights);
|
|
priv->heights = g_new0 (guint, gtk_menu_get_n_rows (menu));
|
|
priv->heights_length = gtk_menu_get_n_rows (menu);
|
|
|
|
children = menu_shell->children;
|
|
while (children)
|
|
{
|
|
gint part;
|
|
gint toggle_size;
|
|
gint l, r, t, b;
|
|
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
if (! GTK_WIDGET_VISIBLE (child))
|
|
continue;
|
|
|
|
get_effective_child_attach (child, &l, &r, &t, &b);
|
|
|
|
/* It's important to size_request the child
|
|
* before doing the toggle size request, in
|
|
* case the toggle size request depends on the size
|
|
* request of a child of the child (e.g. for ImageMenuItem)
|
|
*/
|
|
|
|
GTK_MENU_ITEM (child)->show_submenu_indicator = TRUE;
|
|
gtk_widget_size_request (child, &child_requisition);
|
|
|
|
gtk_menu_item_toggle_size_request (GTK_MENU_ITEM (child), &toggle_size);
|
|
max_toggle_size = MAX (max_toggle_size, toggle_size);
|
|
max_accel_width = MAX (max_accel_width,
|
|
GTK_MENU_ITEM (child)->accelerator_width);
|
|
|
|
part = child_requisition.width / (r - l);
|
|
requisition->width = MAX (requisition->width, part);
|
|
|
|
part = MAX (child_requisition.height, toggle_size) / (b - t);
|
|
priv->heights[t] = MAX (priv->heights[t], part);
|
|
}
|
|
|
|
for (i = 0; i < gtk_menu_get_n_rows (menu); i++)
|
|
requisition->height += priv->heights[i];
|
|
|
|
requisition->width += max_toggle_size + max_accel_width;
|
|
requisition->width *= gtk_menu_get_n_columns (menu);
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (menu),
|
|
"vertical-padding", &vertical_padding,
|
|
"horizontal-padding", &horizontal_padding,
|
|
NULL);
|
|
|
|
requisition->width += (GTK_CONTAINER (menu)->border_width + horizontal_padding +
|
|
widget->style->xthickness) * 2;
|
|
requisition->height += (GTK_CONTAINER (menu)->border_width + vertical_padding +
|
|
widget->style->ythickness) * 2;
|
|
|
|
menu->toggle_size = max_toggle_size;
|
|
|
|
/* Don't resize the tearoff if it is not active, because it won't redraw (it is only a background pixmap).
|
|
*/
|
|
if (menu->tearoff_active)
|
|
gtk_menu_set_tearoff_hints (menu, requisition->width);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
GtkMenu *menu;
|
|
GtkMenuShell *menu_shell;
|
|
GtkWidget *child;
|
|
GtkAllocation child_allocation;
|
|
GtkRequisition child_requisition;
|
|
GtkMenuPrivate *priv;
|
|
GList *children;
|
|
gint x, y;
|
|
gint width, height;
|
|
guint vertical_padding;
|
|
guint horizontal_padding;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (widget));
|
|
g_return_if_fail (allocation != NULL);
|
|
|
|
menu = GTK_MENU (widget);
|
|
menu_shell = GTK_MENU_SHELL (widget);
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
widget->allocation = *allocation;
|
|
gtk_widget_get_child_requisition (GTK_WIDGET (menu), &child_requisition);
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (menu),
|
|
"vertical-padding", &vertical_padding,
|
|
"horizontal-padding", &horizontal_padding,
|
|
NULL);
|
|
|
|
x = GTK_CONTAINER (menu)->border_width + widget->style->xthickness + horizontal_padding;
|
|
y = GTK_CONTAINER (menu)->border_width + widget->style->ythickness + vertical_padding;
|
|
|
|
width = MAX (1, allocation->width - x * 2);
|
|
height = MAX (1, allocation->height - y * 2);
|
|
|
|
child_requisition.width -= x * 2;
|
|
child_requisition.height -= y * 2;
|
|
|
|
if (menu_shell->active)
|
|
gtk_menu_scroll_to (menu, menu->scroll_offset);
|
|
|
|
if (!menu->tearoff_active)
|
|
{
|
|
GtkBorder arrow_border;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
y += arrow_border.top;
|
|
height -= arrow_border.top;
|
|
height -= arrow_border.bottom;
|
|
}
|
|
|
|
if (GTK_WIDGET_REALIZED (widget))
|
|
{
|
|
gdk_window_move_resize (widget->window,
|
|
allocation->x, allocation->y,
|
|
allocation->width, allocation->height);
|
|
|
|
gdk_window_move_resize (menu->view_window,
|
|
x,
|
|
y,
|
|
width,
|
|
height);
|
|
}
|
|
|
|
if (menu_shell->children)
|
|
{
|
|
gint base_width = width / gtk_menu_get_n_columns (menu);
|
|
|
|
children = menu_shell->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
if (GTK_WIDGET_VISIBLE (child))
|
|
{
|
|
gint i;
|
|
gint l, r, t, b;
|
|
|
|
get_effective_child_attach (child, &l, &r, &t, &b);
|
|
|
|
if (gtk_widget_get_direction (GTK_WIDGET (menu)) == GTK_TEXT_DIR_RTL)
|
|
{
|
|
guint tmp;
|
|
tmp = gtk_menu_get_n_columns (menu) - l;
|
|
l = gtk_menu_get_n_columns (menu) - r;
|
|
r = tmp;
|
|
}
|
|
|
|
child_allocation.width = (r - l) * base_width;
|
|
child_allocation.height = 0;
|
|
child_allocation.x = l * base_width;
|
|
child_allocation.y = 0;
|
|
|
|
for (i = 0; i < b; i++)
|
|
{
|
|
if (i < t)
|
|
child_allocation.y += priv->heights[i];
|
|
else
|
|
child_allocation.height += priv->heights[i];
|
|
}
|
|
|
|
gtk_menu_item_toggle_size_allocate (GTK_MENU_ITEM (child),
|
|
menu->toggle_size);
|
|
|
|
gtk_widget_size_allocate (child, &child_allocation);
|
|
gtk_widget_queue_draw (child);
|
|
}
|
|
}
|
|
|
|
/* Resize the item window */
|
|
if (GTK_WIDGET_REALIZED (widget))
|
|
{
|
|
gint i;
|
|
gint width, height;
|
|
|
|
height = 0;
|
|
for (i = 0; i < gtk_menu_get_n_rows (menu); i++)
|
|
height += priv->heights[i];
|
|
|
|
width = gtk_menu_get_n_columns (menu) * base_width;
|
|
gdk_window_resize (menu->bin_window, width, height);
|
|
}
|
|
|
|
if (menu->tearoff_active)
|
|
{
|
|
if (allocation->height >= widget->requisition.height)
|
|
{
|
|
if (GTK_WIDGET_VISIBLE (menu->tearoff_scrollbar))
|
|
{
|
|
gtk_widget_hide (menu->tearoff_scrollbar);
|
|
gtk_menu_set_tearoff_hints (menu, allocation->width);
|
|
|
|
gtk_menu_scroll_to (menu, 0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
menu->tearoff_adjustment->upper = widget->requisition.height;
|
|
menu->tearoff_adjustment->page_size = allocation->height;
|
|
|
|
if (menu->tearoff_adjustment->value + menu->tearoff_adjustment->page_size >
|
|
menu->tearoff_adjustment->upper)
|
|
{
|
|
gint value;
|
|
value = menu->tearoff_adjustment->upper - menu->tearoff_adjustment->page_size;
|
|
if (value < 0)
|
|
value = 0;
|
|
gtk_menu_scroll_to (menu, value);
|
|
}
|
|
|
|
gtk_adjustment_changed (menu->tearoff_adjustment);
|
|
|
|
if (!GTK_WIDGET_VISIBLE (menu->tearoff_scrollbar))
|
|
{
|
|
gtk_widget_show (menu->tearoff_scrollbar);
|
|
gtk_menu_set_tearoff_hints (menu, allocation->width);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
get_arrows_visible_area (GtkMenu *menu,
|
|
GdkRectangle *border,
|
|
GdkRectangle *upper,
|
|
GdkRectangle *lower,
|
|
gint *arrow_space)
|
|
{
|
|
GtkWidget *widget = GTK_WIDGET (menu);
|
|
guint vertical_padding;
|
|
guint horizontal_padding;
|
|
gint scroll_arrow_height;
|
|
|
|
gtk_widget_style_get (widget,
|
|
"vertical-padding", &vertical_padding,
|
|
"horizontal-padding", &horizontal_padding,
|
|
"scroll-arrow-vlength", &scroll_arrow_height,
|
|
NULL);
|
|
|
|
border->x = GTK_CONTAINER (widget)->border_width + widget->style->xthickness + horizontal_padding;
|
|
border->y = GTK_CONTAINER (widget)->border_width + widget->style->ythickness + vertical_padding;
|
|
gdk_drawable_get_size (widget->window, &border->width, &border->height);
|
|
|
|
upper->x = border->x;
|
|
upper->y = border->y;
|
|
upper->width = border->width - 2 * border->x;
|
|
upper->height = scroll_arrow_height;
|
|
|
|
lower->x = border->x;
|
|
lower->y = border->height - border->y - scroll_arrow_height;
|
|
lower->width = border->width - 2 * border->x;
|
|
lower->height = scroll_arrow_height;
|
|
|
|
*arrow_space = scroll_arrow_height - 2 * widget->style->ythickness;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_paint (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
GtkMenu *menu;
|
|
GtkMenuPrivate *priv;
|
|
GdkRectangle border;
|
|
GdkRectangle upper;
|
|
GdkRectangle lower;
|
|
gint arrow_space;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (widget));
|
|
|
|
menu = GTK_MENU (widget);
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
get_arrows_visible_area (menu, &border, &upper, &lower, &arrow_space);
|
|
|
|
if (event->window == widget->window)
|
|
{
|
|
gint arrow_size = 0.7 * arrow_space;
|
|
|
|
gtk_paint_box (widget->style,
|
|
widget->window,
|
|
GTK_STATE_NORMAL,
|
|
GTK_SHADOW_OUT,
|
|
&event->area, widget, "menu",
|
|
0, 0, -1, -1);
|
|
|
|
if (menu->upper_arrow_visible && !menu->tearoff_active)
|
|
{
|
|
gtk_paint_box (widget->style,
|
|
widget->window,
|
|
priv->upper_arrow_state,
|
|
GTK_SHADOW_OUT,
|
|
&event->area, widget, "menu_scroll_arrow_up",
|
|
upper.x,
|
|
upper.y,
|
|
upper.width,
|
|
upper.height);
|
|
|
|
gtk_paint_arrow (widget->style,
|
|
widget->window,
|
|
priv->upper_arrow_state,
|
|
GTK_SHADOW_OUT,
|
|
&event->area, widget, "menu_scroll_arrow_up",
|
|
GTK_ARROW_UP,
|
|
TRUE,
|
|
upper.x + (upper.width - arrow_size) / 2,
|
|
upper.y + widget->style->ythickness + (arrow_space - arrow_size) / 2,
|
|
arrow_size, arrow_size);
|
|
}
|
|
|
|
if (menu->lower_arrow_visible && !menu->tearoff_active)
|
|
{
|
|
gtk_paint_box (widget->style,
|
|
widget->window,
|
|
priv->lower_arrow_state,
|
|
GTK_SHADOW_OUT,
|
|
&event->area, widget, "menu_scroll_arrow_down",
|
|
lower.x,
|
|
lower.y,
|
|
lower.width,
|
|
lower.height);
|
|
|
|
gtk_paint_arrow (widget->style,
|
|
widget->window,
|
|
priv->lower_arrow_state,
|
|
GTK_SHADOW_OUT,
|
|
&event->area, widget, "menu_scroll_arrow_down",
|
|
GTK_ARROW_DOWN,
|
|
TRUE,
|
|
lower.x + (lower.width - arrow_size) / 2,
|
|
lower.y + widget->style->ythickness + (arrow_space - arrow_size) / 2,
|
|
arrow_size, arrow_size);
|
|
}
|
|
}
|
|
else if (event->window == menu->bin_window)
|
|
{
|
|
gint y = -border.y + menu->scroll_offset;
|
|
|
|
if (!menu->tearoff_active)
|
|
{
|
|
GtkBorder arrow_border;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
y -= arrow_border.top;
|
|
}
|
|
|
|
gtk_paint_box (widget->style,
|
|
menu->bin_window,
|
|
GTK_STATE_NORMAL,
|
|
GTK_SHADOW_OUT,
|
|
&event->area, widget, "menu",
|
|
- border.x, y,
|
|
border.width, border.height);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_expose (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_MENU (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
gtk_menu_paint (widget, event);
|
|
|
|
(* GTK_WIDGET_CLASS (gtk_menu_parent_class)->expose_event) (widget, event);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_show (GtkWidget *widget)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (widget);
|
|
|
|
_gtk_menu_refresh_accel_paths (menu, FALSE);
|
|
|
|
GTK_WIDGET_CLASS (gtk_menu_parent_class)->show (widget);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_button_scroll (GtkMenu *menu,
|
|
GdkEventButton *event)
|
|
{
|
|
if (menu->upper_arrow_prelight || menu->lower_arrow_prelight)
|
|
{
|
|
gboolean touchscreen_mode;
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
|
|
"gtk-touchscreen-mode", &touchscreen_mode,
|
|
NULL);
|
|
|
|
if (touchscreen_mode)
|
|
gtk_menu_handle_scrolling (menu,
|
|
event->x_root, event->y_root,
|
|
event->type == GDK_BUTTON_PRESS,
|
|
FALSE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
pointer_in_menu_window (GtkWidget *widget,
|
|
gdouble x_root,
|
|
gdouble y_root)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (widget);
|
|
|
|
if (GTK_WIDGET_MAPPED (menu->toplevel))
|
|
{
|
|
GtkMenuShell *menu_shell;
|
|
gint window_x, window_y;
|
|
|
|
gdk_window_get_position (menu->toplevel->window, &window_x, &window_y);
|
|
|
|
if (x_root >= window_x && x_root < window_x + widget->allocation.width &&
|
|
y_root >= window_y && y_root < window_y + widget->allocation.height)
|
|
return TRUE;
|
|
|
|
menu_shell = GTK_MENU_SHELL (widget);
|
|
|
|
if (GTK_IS_MENU (menu_shell->parent_menu_shell))
|
|
return pointer_in_menu_window (menu_shell->parent_menu_shell,
|
|
x_root, y_root);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_button_press (GtkWidget *widget,
|
|
GdkEventButton *event)
|
|
{
|
|
if (event->type != GDK_BUTTON_PRESS)
|
|
return FALSE;
|
|
|
|
/* Don't pass down to menu shell for presses over scroll arrows
|
|
*/
|
|
if (gtk_menu_button_scroll (GTK_MENU (widget), event))
|
|
return TRUE;
|
|
|
|
/* Don't pass down to menu shell if a non-menuitem part of the menu
|
|
* was clicked. The check for the event_widget being a GtkMenuShell
|
|
* works because we have the pointer grabbed on menu_shell->window
|
|
* with owner_events=TRUE, so all events that are either outside
|
|
* the menu or on its border are delivered relative to
|
|
* menu_shell->window.
|
|
*/
|
|
if (GTK_IS_MENU_SHELL (gtk_get_event_widget ((GdkEvent *) event)) &&
|
|
pointer_in_menu_window (widget, event->x_root, event->y_root))
|
|
return TRUE;
|
|
|
|
return GTK_WIDGET_CLASS (gtk_menu_parent_class)->button_press_event (widget, event);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_button_release (GtkWidget *widget,
|
|
GdkEventButton *event)
|
|
{
|
|
GtkMenuPrivate *priv = gtk_menu_get_private (GTK_MENU (widget));
|
|
|
|
if (priv->ignore_button_release)
|
|
{
|
|
priv->ignore_button_release = FALSE;
|
|
return FALSE;
|
|
}
|
|
|
|
if (event->type != GDK_BUTTON_RELEASE)
|
|
return FALSE;
|
|
|
|
/* Don't pass down to menu shell for releases over scroll arrows
|
|
*/
|
|
if (gtk_menu_button_scroll (GTK_MENU (widget), event))
|
|
return TRUE;
|
|
|
|
/* Don't pass down to menu shell if a non-menuitem part of the menu
|
|
* was clicked (see comment in button_press()).
|
|
*/
|
|
if (GTK_IS_MENU_SHELL (gtk_get_event_widget ((GdkEvent *) event)) &&
|
|
pointer_in_menu_window (widget, event->x_root, event->y_root))
|
|
{
|
|
/* Ugly: make sure menu_shell->button gets reset to 0 when we
|
|
* bail out early here so it is in a consistent state for the
|
|
* next button_press/button_release in GtkMenuShell.
|
|
* See bug #449371.
|
|
*/
|
|
if (GTK_MENU_SHELL (widget)->active)
|
|
GTK_MENU_SHELL (widget)->button = 0;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
return GTK_WIDGET_CLASS (gtk_menu_parent_class)->button_release_event (widget, event);
|
|
}
|
|
|
|
static const gchar *
|
|
get_accel_path (GtkWidget *menu_item,
|
|
gboolean *locked)
|
|
{
|
|
const gchar *path;
|
|
GtkWidget *label;
|
|
GClosure *accel_closure;
|
|
GtkAccelGroup *accel_group;
|
|
|
|
path = _gtk_widget_get_accel_path (menu_item, locked);
|
|
if (!path)
|
|
{
|
|
path = GTK_MENU_ITEM (menu_item)->accel_path;
|
|
|
|
if (locked)
|
|
{
|
|
*locked = TRUE;
|
|
|
|
label = GTK_BIN (menu_item)->child;
|
|
|
|
if (GTK_IS_ACCEL_LABEL (label))
|
|
{
|
|
g_object_get (label,
|
|
"accel-closure", &accel_closure,
|
|
NULL);
|
|
if (accel_closure)
|
|
{
|
|
accel_group = gtk_accel_group_from_accel_closure (accel_closure);
|
|
|
|
*locked = accel_group->lock_count > 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_key_press (GtkWidget *widget,
|
|
GdkEventKey *event)
|
|
{
|
|
GtkMenuShell *menu_shell;
|
|
GtkMenu *menu;
|
|
gboolean delete = FALSE;
|
|
gboolean can_change_accels;
|
|
gchar *accel = NULL;
|
|
guint accel_key, accel_mods;
|
|
GdkModifierType consumed_modifiers;
|
|
GdkDisplay *display;
|
|
|
|
g_return_val_if_fail (GTK_IS_MENU (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
menu_shell = GTK_MENU_SHELL (widget);
|
|
menu = GTK_MENU (widget);
|
|
|
|
gtk_menu_stop_navigating_submenu (menu);
|
|
|
|
if (GTK_WIDGET_CLASS (gtk_menu_parent_class)->key_press_event (widget, event))
|
|
return TRUE;
|
|
|
|
display = gtk_widget_get_display (widget);
|
|
|
|
g_object_get (gtk_widget_get_settings (widget),
|
|
"gtk-menu-bar-accel", &accel,
|
|
"gtk-can-change-accels", &can_change_accels,
|
|
NULL);
|
|
|
|
if (accel && *accel)
|
|
{
|
|
guint keyval = 0;
|
|
GdkModifierType mods = 0;
|
|
|
|
gtk_accelerator_parse (accel, &keyval, &mods);
|
|
|
|
if (keyval == 0)
|
|
g_warning ("Failed to parse menu bar accelerator '%s'\n", accel);
|
|
|
|
/* FIXME this is wrong, needs to be in the global accel resolution
|
|
* thing, to properly consider i18n etc., but that probably requires
|
|
* AccelGroup changes etc.
|
|
*/
|
|
if (event->keyval == keyval && (mods & event->state) == mods)
|
|
{
|
|
gtk_menu_shell_cancel (menu_shell);
|
|
g_free (accel);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
g_free (accel);
|
|
|
|
switch (event->keyval)
|
|
{
|
|
case GDK_Delete:
|
|
case GDK_KP_Delete:
|
|
case GDK_BackSpace:
|
|
delete = TRUE;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Figure out what modifiers went into determining the key symbol */
|
|
gdk_keymap_translate_keyboard_state (gdk_keymap_get_for_display (display),
|
|
event->hardware_keycode, event->state, event->group,
|
|
NULL, NULL, NULL, &consumed_modifiers);
|
|
|
|
accel_key = gdk_keyval_to_lower (event->keyval);
|
|
accel_mods = event->state & gtk_accelerator_get_default_mod_mask () & ~consumed_modifiers;
|
|
|
|
/* If lowercasing affects the keysym, then we need to include SHIFT in the modifiers,
|
|
* We re-upper case when we match against the keyval, but display and save in caseless form.
|
|
*/
|
|
if (accel_key != event->keyval)
|
|
accel_mods |= GDK_SHIFT_MASK;
|
|
|
|
/* Modify the accelerators */
|
|
if (can_change_accels &&
|
|
menu_shell->active_menu_item &&
|
|
GTK_BIN (menu_shell->active_menu_item)->child && /* no separators */
|
|
GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu == NULL && /* no submenus */
|
|
(delete || gtk_accelerator_valid (accel_key, accel_mods)))
|
|
{
|
|
GtkWidget *menu_item = menu_shell->active_menu_item;
|
|
gboolean locked, replace_accels = TRUE;
|
|
const gchar *path;
|
|
|
|
path = get_accel_path (menu_item, &locked);
|
|
if (!path || locked)
|
|
{
|
|
/* can't change accelerators on menu_items without paths
|
|
* (basically, those items are accelerator-locked).
|
|
*/
|
|
/* g_print("item has no path or is locked, menu prefix: %s\n", menu->accel_path); */
|
|
gtk_widget_error_bell (widget);
|
|
}
|
|
else
|
|
{
|
|
gboolean changed;
|
|
|
|
/* For the keys that act to delete the current setting, we delete
|
|
* the current setting if there is one, otherwise, we set the
|
|
* key as the accelerator.
|
|
*/
|
|
if (delete)
|
|
{
|
|
GtkAccelKey key;
|
|
|
|
if (gtk_accel_map_lookup_entry (path, &key) &&
|
|
(key.accel_key || key.accel_mods))
|
|
{
|
|
accel_key = 0;
|
|
accel_mods = 0;
|
|
}
|
|
}
|
|
changed = gtk_accel_map_change_entry (path, accel_key, accel_mods, replace_accels);
|
|
|
|
if (!changed)
|
|
{
|
|
/* we failed, probably because this key is in use and
|
|
* locked already
|
|
*/
|
|
/* g_print("failed to change\n"); */
|
|
gtk_widget_error_bell (widget);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
check_threshold (GtkWidget *widget,
|
|
int start_x, int start_y,
|
|
int x, int y)
|
|
{
|
|
#define THRESHOLD 8
|
|
|
|
return
|
|
ABS (start_x - x) > THRESHOLD ||
|
|
ABS (start_y - y) > THRESHOLD;
|
|
}
|
|
|
|
static gboolean
|
|
definitely_within_item (GtkWidget *widget,
|
|
int x,
|
|
int y)
|
|
{
|
|
GdkWindow *window = GTK_MENU_ITEM (widget)->event_window;
|
|
int w, h;
|
|
|
|
gdk_drawable_get_size (window, &w, &h);
|
|
|
|
return
|
|
check_threshold (widget, 0, 0, x, y) &&
|
|
check_threshold (widget, w - 1, 0, x, y) &&
|
|
check_threshold (widget, w - 1, h - 1, x, y) &&
|
|
check_threshold (widget, 0, h - 1, x, y);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_motion_notify (GtkWidget *widget,
|
|
GdkEventMotion *event)
|
|
{
|
|
GtkWidget *menu_item;
|
|
GtkMenu *menu;
|
|
GtkMenuShell *menu_shell;
|
|
|
|
gboolean need_enter;
|
|
|
|
if (GTK_IS_MENU (widget))
|
|
{
|
|
GtkMenuPrivate *priv = gtk_menu_get_private (GTK_MENU (widget));
|
|
|
|
if (priv->ignore_button_release)
|
|
priv->ignore_button_release = FALSE;
|
|
|
|
gtk_menu_handle_scrolling (GTK_MENU (widget), event->x_root, event->y_root,
|
|
TRUE, TRUE);
|
|
}
|
|
|
|
/* We received the event for one of two reasons:
|
|
*
|
|
* a) We are the active menu, and did gtk_grab_add()
|
|
* b) The widget is a child of ours, and the event was propagated
|
|
*
|
|
* Since for computation of navigation regions, we want the menu which
|
|
* is the parent of the menu item, for a), we need to find that menu,
|
|
* which may be different from 'widget'.
|
|
*/
|
|
menu_item = gtk_get_event_widget ((GdkEvent*) event);
|
|
if (!GTK_IS_MENU_ITEM (menu_item) ||
|
|
!GTK_IS_MENU (menu_item->parent))
|
|
return FALSE;
|
|
|
|
menu_shell = GTK_MENU_SHELL (menu_item->parent);
|
|
menu = GTK_MENU (menu_shell);
|
|
|
|
if (definitely_within_item (menu_item, event->x, event->y))
|
|
menu_shell->activate_time = 0;
|
|
|
|
need_enter = (menu->navigation_region != NULL || menu_shell->ignore_enter);
|
|
|
|
/* Check to see if we are within an active submenu's navigation region
|
|
*/
|
|
if (gtk_menu_navigating_submenu (menu, event->x_root, event->y_root))
|
|
return TRUE;
|
|
|
|
/* Make sure we pop down if we enter a non-selectable menu item, so we
|
|
* don't show a submenu when the cursor is outside the stay-up triangle.
|
|
*/
|
|
if (!_gtk_menu_item_is_selectable (menu_item))
|
|
{
|
|
gtk_menu_shell_deselect (menu_shell);
|
|
return FALSE;
|
|
}
|
|
|
|
if (need_enter)
|
|
{
|
|
/* The menu is now sensitive to enter events on its items, but
|
|
* was previously sensitive. So we fake an enter event.
|
|
*/
|
|
gint width, height;
|
|
|
|
menu_shell->ignore_enter = FALSE;
|
|
|
|
gdk_drawable_get_size (event->window, &width, &height);
|
|
if (event->x >= 0 && event->x < width &&
|
|
event->y >= 0 && event->y < height)
|
|
{
|
|
GdkEvent *send_event = gdk_event_new (GDK_ENTER_NOTIFY);
|
|
gboolean result;
|
|
|
|
send_event->crossing.window = g_object_ref (event->window);
|
|
send_event->crossing.time = event->time;
|
|
send_event->crossing.send_event = TRUE;
|
|
send_event->crossing.x_root = event->x_root;
|
|
send_event->crossing.y_root = event->y_root;
|
|
send_event->crossing.x = event->x;
|
|
send_event->crossing.y = event->y;
|
|
send_event->crossing.state = event->state;
|
|
|
|
/* We send the event to 'widget', the currently active menu,
|
|
* instead of 'menu', the menu that the pointer is in. This
|
|
* will ensure that the event will be ignored unless the
|
|
* menuitem is a child of the active menu or some parent
|
|
* menu of the active menu.
|
|
*/
|
|
result = gtk_widget_event (widget, send_event);
|
|
gdk_event_free (send_event);
|
|
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
get_double_arrows (GtkMenu *menu)
|
|
{
|
|
GtkMenuPrivate *priv = gtk_menu_get_private (menu);
|
|
gboolean double_arrows;
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (menu),
|
|
"double-arrows", &double_arrows,
|
|
NULL);
|
|
|
|
return double_arrows || (priv->initially_pushed_in &&
|
|
menu->scroll_offset != 0);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_scroll_by (GtkMenu *menu,
|
|
gint step)
|
|
{
|
|
GtkWidget *widget;
|
|
gint offset;
|
|
gint view_width, view_height;
|
|
gboolean double_arrows;
|
|
GtkBorder arrow_border;
|
|
|
|
widget = GTK_WIDGET (menu);
|
|
offset = menu->scroll_offset + step;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
|
|
double_arrows = get_double_arrows (menu);
|
|
|
|
/* If we scroll upward and the non-visible top part
|
|
* is smaller than the scroll arrow it would be
|
|
* pretty stupid to show the arrow and taking more
|
|
* screen space than just scrolling to the top.
|
|
*/
|
|
if (!double_arrows)
|
|
if ((step < 0) && (offset < arrow_border.top))
|
|
offset = 0;
|
|
|
|
/* Don't scroll over the top if we weren't before: */
|
|
if ((menu->scroll_offset >= 0) && (offset < 0))
|
|
offset = 0;
|
|
|
|
gdk_drawable_get_size (widget->window, &view_width, &view_height);
|
|
|
|
if (menu->scroll_offset == 0 &&
|
|
view_height >= widget->requisition.height)
|
|
return;
|
|
|
|
/* Don't scroll past the bottom if we weren't before: */
|
|
if (menu->scroll_offset > 0)
|
|
view_height -= arrow_border.top;
|
|
|
|
/* When both arrows are always shown, reduce
|
|
* view height even more.
|
|
*/
|
|
if (double_arrows)
|
|
view_height -= arrow_border.bottom;
|
|
|
|
if ((menu->scroll_offset + view_height <= widget->requisition.height) &&
|
|
(offset + view_height > widget->requisition.height))
|
|
offset = widget->requisition.height - view_height;
|
|
|
|
if (offset != menu->scroll_offset)
|
|
gtk_menu_scroll_to (menu, offset);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_do_timeout_scroll (GtkMenu *menu,
|
|
gboolean touchscreen_mode)
|
|
{
|
|
gboolean upper_visible;
|
|
gboolean lower_visible;
|
|
|
|
upper_visible = menu->upper_arrow_visible;
|
|
lower_visible = menu->lower_arrow_visible;
|
|
|
|
gtk_menu_scroll_by (menu, menu->scroll_step);
|
|
|
|
if (touchscreen_mode &&
|
|
(upper_visible != menu->upper_arrow_visible ||
|
|
lower_visible != menu->lower_arrow_visible))
|
|
{
|
|
/* We are about to hide a scroll arrow while the mouse is pressed,
|
|
* this would cause the uncovered menu item to be activated on button
|
|
* release. Therefore we need to ignore button release here
|
|
*/
|
|
GTK_MENU_SHELL (menu)->ignore_enter = TRUE;
|
|
gtk_menu_get_private (menu)->ignore_button_release = TRUE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_scroll_timeout (gpointer data)
|
|
{
|
|
GtkMenu *menu;
|
|
gboolean touchscreen_mode;
|
|
|
|
menu = GTK_MENU (data);
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
|
|
"gtk-touchscreen-mode", &touchscreen_mode,
|
|
NULL);
|
|
|
|
gtk_menu_do_timeout_scroll (menu, touchscreen_mode);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_scroll_timeout_initial (gpointer data)
|
|
{
|
|
GtkMenu *menu;
|
|
guint timeout;
|
|
gboolean touchscreen_mode;
|
|
|
|
menu = GTK_MENU (data);
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
|
|
"gtk-timeout-repeat", &timeout,
|
|
"gtk-touchscreen-mode", &touchscreen_mode,
|
|
NULL);
|
|
|
|
gtk_menu_do_timeout_scroll (menu, touchscreen_mode);
|
|
|
|
gtk_menu_remove_scroll_timeout (menu);
|
|
|
|
menu->timeout_id = gdk_threads_add_timeout (timeout,
|
|
gtk_menu_scroll_timeout,
|
|
menu);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_start_scrolling (GtkMenu *menu)
|
|
{
|
|
guint timeout;
|
|
gboolean touchscreen_mode;
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
|
|
"gtk-timeout-repeat", &timeout,
|
|
"gtk-touchscreen-mode", &touchscreen_mode,
|
|
NULL);
|
|
|
|
gtk_menu_do_timeout_scroll (menu, touchscreen_mode);
|
|
|
|
menu->timeout_id = gdk_threads_add_timeout (timeout,
|
|
gtk_menu_scroll_timeout_initial,
|
|
menu);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_scroll (GtkWidget *widget,
|
|
GdkEventScroll *event)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (widget);
|
|
|
|
switch (event->direction)
|
|
{
|
|
case GDK_SCROLL_RIGHT:
|
|
case GDK_SCROLL_DOWN:
|
|
gtk_menu_scroll_by (menu, MENU_SCROLL_STEP2);
|
|
break;
|
|
case GDK_SCROLL_LEFT:
|
|
case GDK_SCROLL_UP:
|
|
gtk_menu_scroll_by (menu, - MENU_SCROLL_STEP2);
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
get_arrows_sensitive_area (GtkMenu *menu,
|
|
GdkRectangle *upper,
|
|
GdkRectangle *lower)
|
|
{
|
|
gint width, height;
|
|
gint border;
|
|
guint vertical_padding;
|
|
gint win_x, win_y;
|
|
gint scroll_arrow_height;
|
|
|
|
gdk_drawable_get_size (GTK_WIDGET (menu)->window, &width, &height);
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (menu),
|
|
"vertical-padding", &vertical_padding,
|
|
"scroll-arrow-vlength", &scroll_arrow_height,
|
|
NULL);
|
|
|
|
border = GTK_CONTAINER (menu)->border_width +
|
|
GTK_WIDGET (menu)->style->ythickness + vertical_padding;
|
|
|
|
gdk_window_get_position (GTK_WIDGET (menu)->window, &win_x, &win_y);
|
|
|
|
if (upper)
|
|
{
|
|
upper->x = win_x;
|
|
upper->y = win_y;
|
|
upper->width = width;
|
|
upper->height = scroll_arrow_height + border;
|
|
}
|
|
|
|
if (lower)
|
|
{
|
|
lower->x = win_x;
|
|
lower->y = win_y + height - border - scroll_arrow_height;
|
|
lower->width = width;
|
|
lower->height = scroll_arrow_height + border;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_menu_handle_scrolling (GtkMenu *menu,
|
|
gint x,
|
|
gint y,
|
|
gboolean enter,
|
|
gboolean motion)
|
|
{
|
|
GtkMenuShell *menu_shell;
|
|
GtkMenuPrivate *priv;
|
|
GdkRectangle rect;
|
|
gboolean in_arrow;
|
|
gboolean scroll_fast = FALSE;
|
|
gint top_x, top_y;
|
|
gboolean touchscreen_mode;
|
|
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
menu_shell = GTK_MENU_SHELL (menu);
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
|
|
"gtk-touchscreen-mode", &touchscreen_mode,
|
|
NULL);
|
|
|
|
gdk_window_get_position (menu->toplevel->window, &top_x, &top_y);
|
|
x -= top_x;
|
|
y -= top_y;
|
|
|
|
/* upper arrow handling */
|
|
|
|
get_arrows_sensitive_area (menu, &rect, NULL);
|
|
|
|
in_arrow = FALSE;
|
|
if (menu->upper_arrow_visible && !menu->tearoff_active &&
|
|
(x >= rect.x) && (x < rect.x + rect.width) &&
|
|
(y >= rect.y) && (y < rect.y + rect.height))
|
|
{
|
|
in_arrow = TRUE;
|
|
}
|
|
|
|
if (touchscreen_mode)
|
|
menu->upper_arrow_prelight = in_arrow;
|
|
|
|
if (priv->upper_arrow_state != GTK_STATE_INSENSITIVE)
|
|
{
|
|
gboolean arrow_pressed = FALSE;
|
|
|
|
if (menu->upper_arrow_visible && !menu->tearoff_active)
|
|
{
|
|
if (touchscreen_mode)
|
|
{
|
|
if (enter && menu->upper_arrow_prelight)
|
|
{
|
|
if (menu->timeout_id == 0)
|
|
{
|
|
/* Deselect the active item so that
|
|
* any submenus are popped down
|
|
*/
|
|
gtk_menu_shell_deselect (menu_shell);
|
|
|
|
gtk_menu_remove_scroll_timeout (menu);
|
|
menu->scroll_step = -MENU_SCROLL_STEP2; /* always fast */
|
|
|
|
if (!motion)
|
|
{
|
|
/* Only do stuff on click. */
|
|
gtk_menu_start_scrolling (menu);
|
|
arrow_pressed = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
arrow_pressed = TRUE;
|
|
}
|
|
}
|
|
else if (!enter)
|
|
{
|
|
gtk_menu_stop_scrolling (menu);
|
|
}
|
|
}
|
|
else /* !touchscreen_mode */
|
|
{
|
|
scroll_fast = (y < rect.y + MENU_SCROLL_FAST_ZONE);
|
|
|
|
if (enter && in_arrow &&
|
|
(!menu->upper_arrow_prelight ||
|
|
menu->scroll_fast != scroll_fast))
|
|
{
|
|
menu->upper_arrow_prelight = TRUE;
|
|
menu->scroll_fast = scroll_fast;
|
|
|
|
/* Deselect the active item so that
|
|
* any submenus are popped down
|
|
*/
|
|
gtk_menu_shell_deselect (menu_shell);
|
|
|
|
gtk_menu_remove_scroll_timeout (menu);
|
|
menu->scroll_step = scroll_fast ?
|
|
-MENU_SCROLL_STEP2 : -MENU_SCROLL_STEP1;
|
|
|
|
menu->timeout_id =
|
|
gdk_threads_add_timeout (scroll_fast ?
|
|
MENU_SCROLL_TIMEOUT2 :
|
|
MENU_SCROLL_TIMEOUT1,
|
|
gtk_menu_scroll_timeout, menu);
|
|
}
|
|
else if (!enter && !in_arrow && menu->upper_arrow_prelight)
|
|
{
|
|
gtk_menu_stop_scrolling (menu);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* gtk_menu_start_scrolling() might have hit the top of the
|
|
* menu, so check if the button isn't insensitive before
|
|
* changing it to something else.
|
|
*/
|
|
if (priv->upper_arrow_state != GTK_STATE_INSENSITIVE)
|
|
{
|
|
GtkStateType arrow_state = GTK_STATE_NORMAL;
|
|
|
|
if (arrow_pressed)
|
|
arrow_state = GTK_STATE_ACTIVE;
|
|
else if (menu->upper_arrow_prelight)
|
|
arrow_state = GTK_STATE_PRELIGHT;
|
|
|
|
if (arrow_state != priv->upper_arrow_state)
|
|
{
|
|
priv->upper_arrow_state = arrow_state;
|
|
|
|
gdk_window_invalidate_rect (GTK_WIDGET (menu)->window,
|
|
&rect, FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* lower arrow handling */
|
|
|
|
get_arrows_sensitive_area (menu, NULL, &rect);
|
|
|
|
in_arrow = FALSE;
|
|
if (menu->lower_arrow_visible && !menu->tearoff_active &&
|
|
(x >= rect.x) && (x < rect.x + rect.width) &&
|
|
(y >= rect.y) && (y < rect.y + rect.height))
|
|
{
|
|
in_arrow = TRUE;
|
|
}
|
|
|
|
if (touchscreen_mode)
|
|
menu->lower_arrow_prelight = in_arrow;
|
|
|
|
if (priv->lower_arrow_state != GTK_STATE_INSENSITIVE)
|
|
{
|
|
gboolean arrow_pressed = FALSE;
|
|
|
|
if (menu->lower_arrow_visible && !menu->tearoff_active)
|
|
{
|
|
if (touchscreen_mode)
|
|
{
|
|
if (enter && menu->lower_arrow_prelight)
|
|
{
|
|
if (menu->timeout_id == 0)
|
|
{
|
|
/* Deselect the active item so that
|
|
* any submenus are popped down
|
|
*/
|
|
gtk_menu_shell_deselect (menu_shell);
|
|
|
|
gtk_menu_remove_scroll_timeout (menu);
|
|
menu->scroll_step = MENU_SCROLL_STEP2; /* always fast */
|
|
|
|
if (!motion)
|
|
{
|
|
/* Only do stuff on click. */
|
|
gtk_menu_start_scrolling (menu);
|
|
arrow_pressed = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
arrow_pressed = TRUE;
|
|
}
|
|
}
|
|
else if (!enter)
|
|
{
|
|
gtk_menu_stop_scrolling (menu);
|
|
}
|
|
}
|
|
else /* !touchscreen_mode */
|
|
{
|
|
scroll_fast = (y > rect.y + rect.height - MENU_SCROLL_FAST_ZONE);
|
|
|
|
if (enter && in_arrow &&
|
|
(!menu->lower_arrow_prelight ||
|
|
menu->scroll_fast != scroll_fast))
|
|
{
|
|
menu->lower_arrow_prelight = TRUE;
|
|
menu->scroll_fast = scroll_fast;
|
|
|
|
/* Deselect the active item so that
|
|
* any submenus are popped down
|
|
*/
|
|
gtk_menu_shell_deselect (menu_shell);
|
|
|
|
gtk_menu_remove_scroll_timeout (menu);
|
|
menu->scroll_step = scroll_fast ?
|
|
MENU_SCROLL_STEP2 : MENU_SCROLL_STEP1;
|
|
|
|
menu->timeout_id =
|
|
gdk_threads_add_timeout (scroll_fast ?
|
|
MENU_SCROLL_TIMEOUT2 :
|
|
MENU_SCROLL_TIMEOUT1,
|
|
gtk_menu_scroll_timeout, menu);
|
|
}
|
|
else if (!enter && !in_arrow && menu->lower_arrow_prelight)
|
|
{
|
|
gtk_menu_stop_scrolling (menu);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* gtk_menu_start_scrolling() might have hit the bottom of the
|
|
* menu, so check if the button isn't insensitive before
|
|
* changing it to something else.
|
|
*/
|
|
if (priv->lower_arrow_state != GTK_STATE_INSENSITIVE)
|
|
{
|
|
GtkStateType arrow_state = GTK_STATE_NORMAL;
|
|
|
|
if (arrow_pressed)
|
|
arrow_state = GTK_STATE_ACTIVE;
|
|
else if (menu->lower_arrow_prelight)
|
|
arrow_state = GTK_STATE_PRELIGHT;
|
|
|
|
if (arrow_state != priv->lower_arrow_state)
|
|
{
|
|
priv->lower_arrow_state = arrow_state;
|
|
|
|
gdk_window_invalidate_rect (GTK_WIDGET (menu)->window,
|
|
&rect, FALSE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_enter_notify (GtkWidget *widget,
|
|
GdkEventCrossing *event)
|
|
{
|
|
GtkWidget *menu_item;
|
|
gboolean touchscreen_mode;
|
|
|
|
g_object_get (gtk_widget_get_settings (widget),
|
|
"gtk-touchscreen-mode", &touchscreen_mode,
|
|
NULL);
|
|
|
|
menu_item = gtk_get_event_widget ((GdkEvent*) event);
|
|
if (GTK_IS_MENU (widget))
|
|
{
|
|
GtkMenuShell *menu_shell = GTK_MENU_SHELL (widget);
|
|
|
|
if (!menu_shell->ignore_enter)
|
|
gtk_menu_handle_scrolling (GTK_MENU (widget),
|
|
event->x_root, event->y_root, TRUE, TRUE);
|
|
}
|
|
|
|
if (!touchscreen_mode && GTK_IS_MENU_ITEM (menu_item))
|
|
{
|
|
GtkWidget *menu = menu_item->parent;
|
|
|
|
if (GTK_IS_MENU (menu))
|
|
{
|
|
GtkMenuPrivate *priv = gtk_menu_get_private (GTK_MENU (menu));
|
|
GtkMenuShell *menu_shell = GTK_MENU_SHELL (menu);
|
|
|
|
if (priv->seen_item_enter)
|
|
{
|
|
/* This is the second enter we see for an item
|
|
* on this menu. This means a release should always
|
|
* mean activate.
|
|
*/
|
|
menu_shell->activate_time = 0;
|
|
}
|
|
else if ((event->detail != GDK_NOTIFY_NONLINEAR &&
|
|
event->detail != GDK_NOTIFY_NONLINEAR_VIRTUAL))
|
|
{
|
|
if (definitely_within_item (menu_item, event->x, event->y))
|
|
{
|
|
/* This is an actual user-enter (ie. not a pop-under)
|
|
* In this case, the user must either have entered
|
|
* sufficiently far enough into the item, or he must move
|
|
* far enough away from the enter point. (see
|
|
* gtk_menu_motion_notify())
|
|
*/
|
|
menu_shell->activate_time = 0;
|
|
}
|
|
}
|
|
|
|
priv->seen_item_enter = TRUE;
|
|
}
|
|
}
|
|
|
|
/* If this is a faked enter (see gtk_menu_motion_notify), 'widget'
|
|
* will not correspond to the event widget's parent. Check to see
|
|
* if we are in the parent's navigation region.
|
|
*/
|
|
if (GTK_IS_MENU_ITEM (menu_item) && GTK_IS_MENU (menu_item->parent) &&
|
|
gtk_menu_navigating_submenu (GTK_MENU (menu_item->parent),
|
|
event->x_root, event->y_root))
|
|
return TRUE;
|
|
|
|
return GTK_WIDGET_CLASS (gtk_menu_parent_class)->enter_notify_event (widget, event);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_leave_notify (GtkWidget *widget,
|
|
GdkEventCrossing *event)
|
|
{
|
|
GtkMenuShell *menu_shell;
|
|
GtkMenu *menu;
|
|
GtkMenuItem *menu_item;
|
|
GtkWidget *event_widget;
|
|
|
|
menu = GTK_MENU (widget);
|
|
menu_shell = GTK_MENU_SHELL (widget);
|
|
|
|
if (gtk_menu_navigating_submenu (menu, event->x_root, event->y_root))
|
|
return TRUE;
|
|
|
|
gtk_menu_handle_scrolling (menu, event->x_root, event->y_root, FALSE, TRUE);
|
|
|
|
event_widget = gtk_get_event_widget ((GdkEvent*) event);
|
|
|
|
if (!GTK_IS_MENU_ITEM (event_widget))
|
|
return TRUE;
|
|
|
|
menu_item = GTK_MENU_ITEM (event_widget);
|
|
|
|
/* Here we check to see if we're leaving an active menu item with a submenu,
|
|
* in which case we enter submenu navigation mode.
|
|
*/
|
|
if (menu_shell->active_menu_item != NULL
|
|
&& menu_item->submenu != NULL
|
|
&& menu_item->submenu_placement == GTK_LEFT_RIGHT)
|
|
{
|
|
if (GTK_MENU_SHELL (menu_item->submenu)->active)
|
|
{
|
|
gtk_menu_set_submenu_navigation_region (menu, menu_item, event);
|
|
return TRUE;
|
|
}
|
|
else if (menu_item == GTK_MENU_ITEM (menu_shell->active_menu_item))
|
|
{
|
|
/* We are leaving an active menu item with nonactive submenu.
|
|
* Deselect it so we don't surprise the user with by popping
|
|
* up a submenu _after_ he left the item.
|
|
*/
|
|
gtk_menu_shell_deselect (menu_shell);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return GTK_WIDGET_CLASS (gtk_menu_parent_class)->leave_notify_event (widget, event);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_stop_navigating_submenu (GtkMenu *menu)
|
|
{
|
|
if (menu->navigation_region)
|
|
{
|
|
gdk_region_destroy (menu->navigation_region);
|
|
menu->navigation_region = NULL;
|
|
}
|
|
if (menu->navigation_timeout)
|
|
{
|
|
g_source_remove (menu->navigation_timeout);
|
|
menu->navigation_timeout = 0;
|
|
}
|
|
}
|
|
|
|
/* When the timeout is elapsed, the navigation region is destroyed
|
|
* and the menuitem under the pointer (if any) is selected.
|
|
*/
|
|
static gboolean
|
|
gtk_menu_stop_navigating_submenu_cb (gpointer user_data)
|
|
{
|
|
GtkMenu *menu = user_data;
|
|
GdkWindow *child_window;
|
|
|
|
gtk_menu_stop_navigating_submenu (menu);
|
|
|
|
if (GTK_WIDGET_REALIZED (menu))
|
|
{
|
|
child_window = gdk_window_get_pointer (menu->bin_window, NULL, NULL, NULL);
|
|
|
|
if (child_window)
|
|
{
|
|
GdkEvent *send_event = gdk_event_new (GDK_ENTER_NOTIFY);
|
|
|
|
send_event->crossing.window = g_object_ref (child_window);
|
|
send_event->crossing.time = GDK_CURRENT_TIME; /* Bogus */
|
|
send_event->crossing.send_event = TRUE;
|
|
|
|
GTK_WIDGET_CLASS (gtk_menu_parent_class)->enter_notify_event (GTK_WIDGET (menu), (GdkEventCrossing *)send_event);
|
|
|
|
gdk_event_free (send_event);
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_menu_navigating_submenu (GtkMenu *menu,
|
|
gint event_x,
|
|
gint event_y)
|
|
{
|
|
if (menu->navigation_region)
|
|
{
|
|
if (gdk_region_point_in (menu->navigation_region, event_x, event_y))
|
|
return TRUE;
|
|
else
|
|
{
|
|
gtk_menu_stop_navigating_submenu (menu);
|
|
return FALSE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
#undef DRAW_STAY_UP_TRIANGLE
|
|
|
|
#ifdef DRAW_STAY_UP_TRIANGLE
|
|
|
|
static void
|
|
draw_stay_up_triangle (GdkWindow *window,
|
|
GdkRegion *region)
|
|
{
|
|
/* Draw ugly color all over the stay-up triangle */
|
|
GdkColor ugly_color = { 0, 50000, 10000, 10000 };
|
|
GdkGCValues gc_values;
|
|
GdkGC *ugly_gc;
|
|
GdkRectangle clipbox;
|
|
|
|
gc_values.subwindow_mode = GDK_INCLUDE_INFERIORS;
|
|
ugly_gc = gdk_gc_new_with_values (window, &gc_values, 0 | GDK_GC_SUBWINDOW);
|
|
gdk_gc_set_rgb_fg_color (ugly_gc, &ugly_color);
|
|
gdk_gc_set_clip_region (ugly_gc, region);
|
|
|
|
gdk_region_get_clipbox (region, &clipbox);
|
|
|
|
gdk_draw_rectangle (window,
|
|
ugly_gc,
|
|
TRUE,
|
|
clipbox.x, clipbox.y,
|
|
clipbox.width, clipbox.height);
|
|
|
|
g_object_unref (ugly_gc);
|
|
}
|
|
#endif
|
|
|
|
static GdkRegion *
|
|
flip_region (GdkRegion *region,
|
|
gboolean flip_x,
|
|
gboolean flip_y)
|
|
{
|
|
gint n_rectangles;
|
|
GdkRectangle *rectangles;
|
|
GdkRectangle clipbox;
|
|
GdkRegion *new_region;
|
|
gint i;
|
|
|
|
new_region = gdk_region_new ();
|
|
|
|
gdk_region_get_rectangles (region, &rectangles, &n_rectangles);
|
|
gdk_region_get_clipbox (region, &clipbox);
|
|
|
|
for (i = 0; i < n_rectangles; ++i)
|
|
{
|
|
GdkRectangle rect = rectangles[i];
|
|
|
|
if (flip_y)
|
|
rect.y -= 2 * (rect.y - clipbox.y) + rect.height;
|
|
|
|
if (flip_x)
|
|
rect.x -= 2 * (rect.x - clipbox.x) + rect.width;
|
|
|
|
gdk_region_union_with_rect (new_region, &rect);
|
|
}
|
|
|
|
g_free (rectangles);
|
|
|
|
return new_region;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_set_submenu_navigation_region (GtkMenu *menu,
|
|
GtkMenuItem *menu_item,
|
|
GdkEventCrossing *event)
|
|
{
|
|
gint submenu_left = 0;
|
|
gint submenu_right = 0;
|
|
gint submenu_top = 0;
|
|
gint submenu_bottom = 0;
|
|
gint width = 0;
|
|
gint height = 0;
|
|
GdkPoint point[3];
|
|
GtkWidget *event_widget;
|
|
|
|
g_return_if_fail (menu_item->submenu != NULL);
|
|
g_return_if_fail (event != NULL);
|
|
|
|
event_widget = gtk_get_event_widget ((GdkEvent*) event);
|
|
|
|
gdk_window_get_origin (menu_item->submenu->window, &submenu_left, &submenu_top);
|
|
gdk_drawable_get_size (menu_item->submenu->window, &width, &height);
|
|
|
|
submenu_right = submenu_left + width;
|
|
submenu_bottom = submenu_top + height;
|
|
|
|
gdk_drawable_get_size (event_widget->window, &width, &height);
|
|
|
|
if (event->x >= 0 && event->x < width)
|
|
{
|
|
gint popdown_delay;
|
|
gboolean flip_y = FALSE;
|
|
gboolean flip_x = FALSE;
|
|
|
|
gtk_menu_stop_navigating_submenu (menu);
|
|
|
|
if (menu_item->submenu_direction == GTK_DIRECTION_RIGHT)
|
|
{
|
|
/* right */
|
|
point[0].x = event->x_root;
|
|
point[1].x = submenu_left;
|
|
}
|
|
else
|
|
{
|
|
/* left */
|
|
point[0].x = event->x_root + 1;
|
|
point[1].x = 2 * (event->x_root + 1) - submenu_right;
|
|
|
|
flip_x = TRUE;
|
|
}
|
|
|
|
if (event->y < 0)
|
|
{
|
|
/* top */
|
|
point[0].y = event->y_root + 1;
|
|
point[1].y = 2 * (event->y_root + 1) - submenu_top + NAVIGATION_REGION_OVERSHOOT;
|
|
|
|
if (point[0].y >= point[1].y - NAVIGATION_REGION_OVERSHOOT)
|
|
return;
|
|
|
|
flip_y = TRUE;
|
|
}
|
|
else
|
|
{
|
|
/* bottom */
|
|
point[0].y = event->y_root;
|
|
point[1].y = submenu_bottom + NAVIGATION_REGION_OVERSHOOT;
|
|
|
|
if (point[0].y >= submenu_bottom)
|
|
return;
|
|
}
|
|
|
|
point[2].x = point[1].x;
|
|
point[2].y = point[0].y;
|
|
|
|
menu->navigation_region = gdk_region_polygon (point, 3, GDK_WINDING_RULE);
|
|
|
|
if (flip_x || flip_y)
|
|
{
|
|
GdkRegion *new_region = flip_region (menu->navigation_region, flip_x, flip_y);
|
|
gdk_region_destroy (menu->navigation_region);
|
|
menu->navigation_region = new_region;
|
|
}
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
|
|
"gtk-menu-popdown-delay", &popdown_delay,
|
|
NULL);
|
|
|
|
menu->navigation_timeout = gdk_threads_add_timeout (popdown_delay,
|
|
gtk_menu_stop_navigating_submenu_cb,
|
|
menu);
|
|
|
|
#ifdef DRAW_STAY_UP_TRIANGLE
|
|
draw_stay_up_triangle (gdk_get_default_root_window(),
|
|
menu->navigation_region);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_deactivate (GtkMenuShell *menu_shell)
|
|
{
|
|
GtkWidget *parent;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu_shell));
|
|
|
|
parent = menu_shell->parent_menu_shell;
|
|
|
|
menu_shell->activate_time = 0;
|
|
gtk_menu_popdown (GTK_MENU (menu_shell));
|
|
|
|
if (parent)
|
|
gtk_menu_shell_deactivate (GTK_MENU_SHELL (parent));
|
|
}
|
|
|
|
static void
|
|
gtk_menu_position (GtkMenu *menu)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkRequisition requisition;
|
|
GtkMenuPrivate *private;
|
|
gint x, y;
|
|
gint scroll_offset;
|
|
gint menu_height;
|
|
GdkScreen *screen;
|
|
GdkScreen *pointer_screen;
|
|
GdkRectangle monitor;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
widget = GTK_WIDGET (menu);
|
|
|
|
screen = gtk_widget_get_screen (widget);
|
|
gdk_display_get_pointer (gdk_screen_get_display (screen),
|
|
&pointer_screen, &x, &y, NULL);
|
|
|
|
/* We need the requisition to figure out the right place to
|
|
* popup the menu. In fact, we always need to ask here, since
|
|
* if a size_request was queued while we weren't popped up,
|
|
* the requisition won't have been recomputed yet.
|
|
*/
|
|
gtk_widget_size_request (widget, &requisition);
|
|
|
|
if (pointer_screen != screen)
|
|
{
|
|
/* Pointer is on a different screen; roughly center the
|
|
* menu on the screen. If someone was using multiscreen
|
|
* + Xinerama together they'd probably want something
|
|
* fancier; but that is likely to be vanishingly rare.
|
|
*/
|
|
x = MAX (0, (gdk_screen_get_width (screen) - requisition.width) / 2);
|
|
y = MAX (0, (gdk_screen_get_height (screen) - requisition.height) / 2);
|
|
}
|
|
|
|
private = gtk_menu_get_private (menu);
|
|
private->monitor_num = gdk_screen_get_monitor_at_point (screen, x, y);
|
|
|
|
private->initially_pushed_in = FALSE;
|
|
|
|
/* Set the type hint here to allow custom position functions to set a different hint */
|
|
if (!GTK_WIDGET_VISIBLE (menu->toplevel))
|
|
gtk_window_set_type_hint (GTK_WINDOW (menu->toplevel), GDK_WINDOW_TYPE_HINT_POPUP_MENU);
|
|
|
|
if (menu->position_func)
|
|
{
|
|
(* menu->position_func) (menu, &x, &y, &private->initially_pushed_in,
|
|
menu->position_func_data);
|
|
if (private->monitor_num < 0)
|
|
private->monitor_num = gdk_screen_get_monitor_at_point (screen, x, y);
|
|
|
|
gdk_screen_get_monitor_geometry (screen, private->monitor_num, &monitor);
|
|
}
|
|
else
|
|
{
|
|
gint space_left, space_right, space_above, space_below;
|
|
gint needed_width;
|
|
gint needed_height;
|
|
gint xthickness = widget->style->xthickness;
|
|
gint ythickness = widget->style->ythickness;
|
|
gboolean rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
|
|
|
|
/* The placement of popup menus horizontally works like this (with
|
|
* RTL in parentheses)
|
|
*
|
|
* - If there is enough room to the right (left) of the mouse cursor,
|
|
* position the menu there.
|
|
*
|
|
* - Otherwise, if if there is enough room to the left (right) of the
|
|
* mouse cursor, position the menu there.
|
|
*
|
|
* - Otherwise if the menu is smaller than the monitor, position it
|
|
* on the side of the mouse cursor that has the most space available
|
|
*
|
|
* - Otherwise (if there is simply not enough room for the menu on the
|
|
* monitor), position it as far left (right) as possible.
|
|
*
|
|
* Positioning in the vertical direction is similar: first try below
|
|
* mouse cursor, then above.
|
|
*/
|
|
gdk_screen_get_monitor_geometry (screen, private->monitor_num, &monitor);
|
|
|
|
space_left = x - monitor.x;
|
|
space_right = monitor.x + monitor.width - x - 1;
|
|
space_above = y - monitor.y;
|
|
space_below = monitor.y + monitor.height - y - 1;
|
|
|
|
/* position horizontally */
|
|
|
|
/* the amount of space we need to position the menu. Note the
|
|
* menu is offset "xthickness" pixels
|
|
*/
|
|
needed_width = requisition.width - xthickness;
|
|
|
|
if (needed_width <= space_left ||
|
|
needed_width <= space_right)
|
|
{
|
|
if ((rtl && needed_width <= space_left) ||
|
|
(!rtl && needed_width > space_right))
|
|
{
|
|
/* position left */
|
|
x = x + xthickness - requisition.width + 1;
|
|
}
|
|
else
|
|
{
|
|
/* position right */
|
|
x = x - xthickness;
|
|
}
|
|
|
|
/* x is clamped on-screen further down */
|
|
}
|
|
else if (requisition.width <= monitor.width)
|
|
{
|
|
/* the menu is too big to fit on either side of the mouse
|
|
* cursor, but smaller than the monitor. Position it on
|
|
* the side that has the most space
|
|
*/
|
|
if (space_left > space_right)
|
|
{
|
|
/* left justify */
|
|
x = monitor.x;
|
|
}
|
|
else
|
|
{
|
|
/* right justify */
|
|
x = monitor.x + monitor.width - requisition.width;
|
|
}
|
|
}
|
|
else /* menu is simply too big for the monitor */
|
|
{
|
|
if (rtl)
|
|
{
|
|
/* right justify */
|
|
x = monitor.x + monitor.width - requisition.width;
|
|
}
|
|
else
|
|
{
|
|
/* left justify */
|
|
x = monitor.x;
|
|
}
|
|
}
|
|
|
|
/* Position vertically. The algorithm is the same as above, but
|
|
* simpler because we don't have to take RTL into account.
|
|
*/
|
|
needed_height = requisition.height - ythickness;
|
|
|
|
if (needed_height <= space_above ||
|
|
needed_height <= space_below)
|
|
{
|
|
if (needed_height <= space_below)
|
|
y = y - ythickness;
|
|
else
|
|
y = y + ythickness - requisition.height + 1;
|
|
|
|
y = CLAMP (y, monitor.y,
|
|
monitor.y + monitor.height - requisition.height);
|
|
}
|
|
else if (needed_height > space_below && needed_height > space_above)
|
|
{
|
|
if (space_below >= space_above)
|
|
y = monitor.y + monitor.height - requisition.height;
|
|
else
|
|
y = monitor.y;
|
|
}
|
|
else
|
|
{
|
|
y = monitor.y;
|
|
}
|
|
}
|
|
|
|
scroll_offset = 0;
|
|
|
|
if (private->initially_pushed_in)
|
|
{
|
|
menu_height = GTK_WIDGET (menu)->requisition.height;
|
|
|
|
if (y + menu_height > monitor.y + monitor.height)
|
|
{
|
|
scroll_offset -= y + menu_height - (monitor.y + monitor.height);
|
|
y = (monitor.y + monitor.height) - menu_height;
|
|
}
|
|
|
|
if (y < monitor.y)
|
|
{
|
|
scroll_offset += monitor.y - y;
|
|
y = monitor.y;
|
|
}
|
|
}
|
|
|
|
/* FIXME: should this be done in the various position_funcs ? */
|
|
x = CLAMP (x, monitor.x, MAX (monitor.x, monitor.x + monitor.width - requisition.width));
|
|
|
|
if (GTK_MENU_SHELL (menu)->active)
|
|
{
|
|
private->have_position = TRUE;
|
|
private->x = x;
|
|
private->y = y;
|
|
}
|
|
|
|
if (y + requisition.height > monitor.y + monitor.height)
|
|
requisition.height = (monitor.y + monitor.height) - y;
|
|
|
|
if (y < monitor.y)
|
|
{
|
|
scroll_offset += monitor.y - y;
|
|
requisition.height -= monitor.y - y;
|
|
y = monitor.y;
|
|
}
|
|
|
|
if (scroll_offset > 0)
|
|
{
|
|
GtkBorder arrow_border;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
scroll_offset += arrow_border.top;
|
|
}
|
|
|
|
gtk_window_move (GTK_WINDOW (GTK_MENU_SHELL (menu)->active ? menu->toplevel : menu->tearoff_window),
|
|
x, y);
|
|
|
|
if (!GTK_MENU_SHELL (menu)->active)
|
|
{
|
|
gtk_window_resize (GTK_WINDOW (menu->tearoff_window),
|
|
requisition.width, requisition.height);
|
|
}
|
|
|
|
menu->scroll_offset = scroll_offset;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_remove_scroll_timeout (GtkMenu *menu)
|
|
{
|
|
if (menu->timeout_id)
|
|
{
|
|
g_source_remove (menu->timeout_id);
|
|
menu->timeout_id = 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_stop_scrolling (GtkMenu *menu)
|
|
{
|
|
gboolean touchscreen_mode;
|
|
|
|
gtk_menu_remove_scroll_timeout (menu);
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu)),
|
|
"gtk-touchscreen-mode", &touchscreen_mode,
|
|
NULL);
|
|
|
|
if (!touchscreen_mode)
|
|
{
|
|
menu->upper_arrow_prelight = FALSE;
|
|
menu->lower_arrow_prelight = FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_scroll_to (GtkMenu *menu,
|
|
gint offset)
|
|
{
|
|
GtkWidget *widget;
|
|
gint x, y;
|
|
gint view_width, view_height;
|
|
gint border_width;
|
|
gint menu_height;
|
|
guint vertical_padding;
|
|
guint horizontal_padding;
|
|
gboolean double_arrows;
|
|
GtkBorder arrow_border;
|
|
|
|
widget = GTK_WIDGET (menu);
|
|
|
|
if (menu->tearoff_active &&
|
|
menu->tearoff_adjustment &&
|
|
(menu->tearoff_adjustment->value != offset))
|
|
{
|
|
menu->tearoff_adjustment->value =
|
|
CLAMP (offset,
|
|
0, menu->tearoff_adjustment->upper - menu->tearoff_adjustment->page_size);
|
|
gtk_adjustment_value_changed (menu->tearoff_adjustment);
|
|
}
|
|
|
|
/* Move/resize the viewport according to arrows: */
|
|
view_width = widget->allocation.width;
|
|
view_height = widget->allocation.height;
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (menu),
|
|
"vertical-padding", &vertical_padding,
|
|
"horizontal-padding", &horizontal_padding,
|
|
NULL);
|
|
|
|
double_arrows = get_double_arrows (menu);
|
|
|
|
border_width = GTK_CONTAINER (menu)->border_width;
|
|
view_width -= (border_width + widget->style->xthickness + horizontal_padding) * 2;
|
|
view_height -= (border_width + widget->style->ythickness + vertical_padding) * 2;
|
|
menu_height = widget->requisition.height -
|
|
(border_width + widget->style->ythickness + vertical_padding) * 2;
|
|
|
|
x = border_width + widget->style->xthickness + horizontal_padding;
|
|
y = border_width + widget->style->ythickness + vertical_padding;
|
|
|
|
if (double_arrows && !menu->tearoff_active)
|
|
{
|
|
if (view_height < menu_height ||
|
|
(offset > 0 && menu->scroll_offset > 0) ||
|
|
(offset < 0 && menu->scroll_offset < 0))
|
|
{
|
|
GtkMenuPrivate *priv = gtk_menu_get_private (menu);
|
|
GtkStateType upper_arrow_previous_state = priv->upper_arrow_state;
|
|
GtkStateType lower_arrow_previous_state = priv->lower_arrow_state;
|
|
|
|
if (!menu->upper_arrow_visible || !menu->lower_arrow_visible)
|
|
gtk_widget_queue_draw (GTK_WIDGET (menu));
|
|
|
|
menu->upper_arrow_visible = menu->lower_arrow_visible = TRUE;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
y += arrow_border.top;
|
|
view_height -= arrow_border.top;
|
|
view_height -= arrow_border.bottom;
|
|
|
|
if (offset <= 0)
|
|
priv->upper_arrow_state = GTK_STATE_INSENSITIVE;
|
|
else if (priv->upper_arrow_state == GTK_STATE_INSENSITIVE)
|
|
priv->upper_arrow_state = menu->upper_arrow_prelight ?
|
|
GTK_STATE_PRELIGHT : GTK_STATE_NORMAL;
|
|
|
|
if (offset >= menu_height - view_height)
|
|
priv->lower_arrow_state = GTK_STATE_INSENSITIVE;
|
|
else if (priv->lower_arrow_state == GTK_STATE_INSENSITIVE)
|
|
priv->lower_arrow_state = menu->lower_arrow_prelight ?
|
|
GTK_STATE_PRELIGHT : GTK_STATE_NORMAL;
|
|
|
|
if ((priv->upper_arrow_state != upper_arrow_previous_state) ||
|
|
(priv->lower_arrow_state != lower_arrow_previous_state))
|
|
gtk_widget_queue_draw (GTK_WIDGET (menu));
|
|
|
|
if (upper_arrow_previous_state != GTK_STATE_INSENSITIVE &&
|
|
priv->upper_arrow_state == GTK_STATE_INSENSITIVE)
|
|
{
|
|
/* At the upper border, possibly remove timeout */
|
|
if (menu->scroll_step < 0)
|
|
{
|
|
gtk_menu_stop_scrolling (menu);
|
|
gtk_widget_queue_draw (GTK_WIDGET (menu));
|
|
}
|
|
}
|
|
|
|
if (lower_arrow_previous_state != GTK_STATE_INSENSITIVE &&
|
|
priv->lower_arrow_state == GTK_STATE_INSENSITIVE)
|
|
{
|
|
/* At the lower border, possibly remove timeout */
|
|
if (menu->scroll_step > 0)
|
|
{
|
|
gtk_menu_stop_scrolling (menu);
|
|
gtk_widget_queue_draw (GTK_WIDGET (menu));
|
|
}
|
|
}
|
|
}
|
|
else if (menu->upper_arrow_visible || menu->lower_arrow_visible)
|
|
{
|
|
offset = 0;
|
|
|
|
menu->upper_arrow_visible = menu->lower_arrow_visible = FALSE;
|
|
menu->upper_arrow_prelight = menu->lower_arrow_prelight = FALSE;
|
|
|
|
gtk_menu_stop_scrolling (menu);
|
|
gtk_widget_queue_draw (GTK_WIDGET (menu));
|
|
}
|
|
}
|
|
else if (!menu->tearoff_active)
|
|
{
|
|
gboolean last_visible;
|
|
|
|
last_visible = menu->upper_arrow_visible;
|
|
menu->upper_arrow_visible = offset > 0;
|
|
|
|
/* upper_arrow_visible may have changed, so requery the border */
|
|
get_arrows_border (menu, &arrow_border);
|
|
view_height -= arrow_border.top;
|
|
|
|
if ((last_visible != menu->upper_arrow_visible) &&
|
|
!menu->upper_arrow_visible)
|
|
{
|
|
menu->upper_arrow_prelight = FALSE;
|
|
|
|
/* If we hid the upper arrow, possibly remove timeout */
|
|
if (menu->scroll_step < 0)
|
|
{
|
|
gtk_menu_stop_scrolling (menu);
|
|
gtk_widget_queue_draw (GTK_WIDGET (menu));
|
|
}
|
|
}
|
|
|
|
last_visible = menu->lower_arrow_visible;
|
|
menu->lower_arrow_visible = offset < menu_height - view_height;
|
|
|
|
/* lower_arrow_visible may have changed, so requery the border */
|
|
get_arrows_border (menu, &arrow_border);
|
|
view_height -= arrow_border.bottom;
|
|
|
|
if ((last_visible != menu->lower_arrow_visible) &&
|
|
!menu->lower_arrow_visible)
|
|
{
|
|
menu->lower_arrow_prelight = FALSE;
|
|
|
|
/* If we hid the lower arrow, possibly remove timeout */
|
|
if (menu->scroll_step > 0)
|
|
{
|
|
gtk_menu_stop_scrolling (menu);
|
|
gtk_widget_queue_draw (GTK_WIDGET (menu));
|
|
}
|
|
}
|
|
|
|
y += arrow_border.top;
|
|
}
|
|
|
|
/* Scroll the menu: */
|
|
if (GTK_WIDGET_REALIZED (menu))
|
|
gdk_window_move (menu->bin_window, 0, -offset);
|
|
|
|
if (GTK_WIDGET_REALIZED (menu))
|
|
gdk_window_move_resize (menu->view_window,
|
|
x,
|
|
y,
|
|
view_width,
|
|
view_height);
|
|
|
|
menu->scroll_offset = offset;
|
|
}
|
|
|
|
static gboolean
|
|
compute_child_offset (GtkMenu *menu,
|
|
GtkWidget *menu_item,
|
|
gint *offset,
|
|
gint *height,
|
|
gboolean *is_last_child)
|
|
{
|
|
GtkMenuPrivate *priv = gtk_menu_get_private (menu);
|
|
gint item_top_attach;
|
|
gint item_bottom_attach;
|
|
gint child_offset = 0;
|
|
gint i;
|
|
|
|
get_effective_child_attach (menu_item, NULL, NULL,
|
|
&item_top_attach, &item_bottom_attach);
|
|
|
|
/* there is a possibility that we get called before _size_request, so
|
|
* check the height table for safety.
|
|
*/
|
|
if (!priv->heights || priv->heights_length < gtk_menu_get_n_rows (menu))
|
|
return FALSE;
|
|
|
|
/* when we have a row with only invisible children, it's height will
|
|
* be zero, so there's no need to check WIDGET_VISIBLE here
|
|
*/
|
|
for (i = 0; i < item_top_attach; i++)
|
|
child_offset += priv->heights[i];
|
|
|
|
if (is_last_child)
|
|
*is_last_child = (item_bottom_attach == gtk_menu_get_n_rows (menu));
|
|
if (offset)
|
|
*offset = child_offset;
|
|
if (height)
|
|
*height = priv->heights[item_top_attach];
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_scroll_item_visible (GtkMenuShell *menu_shell,
|
|
GtkWidget *menu_item)
|
|
{
|
|
GtkMenu *menu;
|
|
gint child_offset, child_height;
|
|
gint width, height;
|
|
gint y;
|
|
gint arrow_height;
|
|
gboolean last_child = 0;
|
|
|
|
menu = GTK_MENU (menu_shell);
|
|
|
|
/* We need to check if the selected item fully visible.
|
|
* If not we need to scroll the menu so that it becomes fully
|
|
* visible.
|
|
*/
|
|
|
|
if (compute_child_offset (menu, menu_item,
|
|
&child_offset, &child_height, &last_child))
|
|
{
|
|
guint vertical_padding;
|
|
gboolean double_arrows;
|
|
|
|
y = menu->scroll_offset;
|
|
gdk_drawable_get_size (GTK_WIDGET (menu)->window, &width, &height);
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (menu),
|
|
"vertical-padding", &vertical_padding,
|
|
NULL);
|
|
|
|
double_arrows = get_double_arrows (menu);
|
|
|
|
height -= 2*GTK_CONTAINER (menu)->border_width + 2*GTK_WIDGET (menu)->style->ythickness + 2*vertical_padding;
|
|
|
|
if (child_offset < y)
|
|
{
|
|
/* Ignore the enter event we might get if the pointer is on the menu
|
|
*/
|
|
menu_shell->ignore_enter = TRUE;
|
|
gtk_menu_scroll_to (menu, child_offset);
|
|
}
|
|
else
|
|
{
|
|
GtkBorder arrow_border;
|
|
|
|
arrow_height = 0;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
if (!menu->tearoff_active)
|
|
arrow_height = arrow_border.top + arrow_border.bottom;
|
|
|
|
if (child_offset + child_height > y + height - arrow_height)
|
|
{
|
|
arrow_height = 0;
|
|
if ((!last_child && !menu->tearoff_active) || double_arrows)
|
|
arrow_height += arrow_border.bottom;
|
|
|
|
y = child_offset + child_height - height + arrow_height;
|
|
if (((y > 0) && !menu->tearoff_active) || double_arrows)
|
|
{
|
|
/* Need upper arrow */
|
|
arrow_height += arrow_border.top;
|
|
y = child_offset + child_height - height + arrow_height;
|
|
}
|
|
/* Ignore the enter event we might get if the pointer is on the menu
|
|
*/
|
|
menu_shell->ignore_enter = TRUE;
|
|
gtk_menu_scroll_to (menu, y);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_menu_select_item (GtkMenuShell *menu_shell,
|
|
GtkWidget *menu_item)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (menu_shell);
|
|
|
|
if (GTK_WIDGET_REALIZED (GTK_WIDGET (menu)))
|
|
gtk_menu_scroll_item_visible (menu_shell, menu_item);
|
|
|
|
GTK_MENU_SHELL_CLASS (gtk_menu_parent_class)->select_item (menu_shell, menu_item);
|
|
}
|
|
|
|
|
|
/* Reparent the menu, taking care of the refcounting
|
|
*
|
|
* If unrealize is true we force a unrealize while reparenting the parent.
|
|
* This can help eliminate flicker in some cases.
|
|
*
|
|
* What happens is that when the menu is unrealized and then re-realized,
|
|
* the allocations are as follows:
|
|
*
|
|
* parent - 1x1 at (0,0)
|
|
* child1 - 100x20 at (0,0)
|
|
* child2 - 100x20 at (0,20)
|
|
* child3 - 100x20 at (0,40)
|
|
*
|
|
* That is, the parent is small but the children are full sized. Then,
|
|
* when the queued_resize gets processed, the parent gets resized to
|
|
* full size.
|
|
*
|
|
* But in order to eliminate flicker when scrolling, gdkgeometry-x11.c
|
|
* contains the following logic:
|
|
*
|
|
* - if a move or resize operation on a window would change the clip
|
|
* region on the children, then before the window is resized
|
|
* the background for children is temporarily set to None, the
|
|
* move/resize done, and the background for the children restored.
|
|
*
|
|
* So, at the point where the parent is resized to final size, the
|
|
* background for the children is temporarily None, and thus they
|
|
* are not cleared to the background color and the previous background
|
|
* (the image of the menu) is left in place.
|
|
*/
|
|
static void
|
|
gtk_menu_reparent (GtkMenu *menu,
|
|
GtkWidget *new_parent,
|
|
gboolean unrealize)
|
|
{
|
|
GtkObject *object = GTK_OBJECT (menu);
|
|
GtkWidget *widget = GTK_WIDGET (menu);
|
|
gboolean was_floating = g_object_is_floating (object);
|
|
|
|
g_object_ref_sink (object);
|
|
|
|
if (unrealize)
|
|
{
|
|
g_object_ref (object);
|
|
gtk_container_remove (GTK_CONTAINER (widget->parent), widget);
|
|
gtk_container_add (GTK_CONTAINER (new_parent), widget);
|
|
g_object_unref (object);
|
|
}
|
|
else
|
|
gtk_widget_reparent (GTK_WIDGET (menu), new_parent);
|
|
|
|
if (was_floating)
|
|
g_object_force_floating (G_OBJECT (object));
|
|
else
|
|
g_object_unref (object);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_show_all (GtkWidget *widget)
|
|
{
|
|
/* Show children, but not self. */
|
|
gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_show_all, NULL);
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_menu_hide_all (GtkWidget *widget)
|
|
{
|
|
/* Hide children, but not self. */
|
|
gtk_container_foreach (GTK_CONTAINER (widget), (GtkCallback) gtk_widget_hide_all, NULL);
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_set_screen:
|
|
* @menu: a #GtkMenu.
|
|
* @screen: a #GdkScreen, or %NULL if the screen should be
|
|
* determined by the widget the menu is attached to.
|
|
*
|
|
* Sets the #GdkScreen on which the menu will be displayed.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
void
|
|
gtk_menu_set_screen (GtkMenu *menu,
|
|
GdkScreen *screen)
|
|
{
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
g_return_if_fail (!screen || GDK_IS_SCREEN (screen));
|
|
|
|
g_object_set_data (G_OBJECT (menu), I_("gtk-menu-explicit-screen"), screen);
|
|
|
|
if (screen)
|
|
{
|
|
menu_change_screen (menu, screen);
|
|
}
|
|
else
|
|
{
|
|
GtkWidget *attach_widget = gtk_menu_get_attach_widget (menu);
|
|
if (attach_widget)
|
|
attach_widget_screen_changed (attach_widget, NULL, menu);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_attach:
|
|
* @menu: a #GtkMenu.
|
|
* @child: a #GtkMenuItem.
|
|
* @left_attach: The column number to attach the left side of the item to.
|
|
* @right_attach: The column number to attach the right side of the item to.
|
|
* @top_attach: The row number to attach the top of the item to.
|
|
* @bottom_attach: The row number to attach the bottom of the item to.
|
|
*
|
|
* Adds a new #GtkMenuItem to a (table) menu. The number of 'cells' that
|
|
* an item will occupy is specified by @left_attach, @right_attach,
|
|
* @top_attach and @bottom_attach. These each represent the leftmost,
|
|
* rightmost, uppermost and lower column and row numbers of the table.
|
|
* (Columns and rows are indexed from zero).
|
|
*
|
|
* Note that this function is not related to gtk_menu_detach().
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_menu_attach (GtkMenu *menu,
|
|
GtkWidget *child,
|
|
guint left_attach,
|
|
guint right_attach,
|
|
guint top_attach,
|
|
guint bottom_attach)
|
|
{
|
|
GtkMenuShell *menu_shell;
|
|
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (child));
|
|
g_return_if_fail (child->parent == NULL ||
|
|
child->parent == GTK_WIDGET (menu));
|
|
g_return_if_fail (left_attach < right_attach);
|
|
g_return_if_fail (top_attach < bottom_attach);
|
|
|
|
menu_shell = GTK_MENU_SHELL (menu);
|
|
|
|
if (!child->parent)
|
|
{
|
|
AttachInfo *ai = get_attach_info (child);
|
|
|
|
ai->left_attach = left_attach;
|
|
ai->right_attach = right_attach;
|
|
ai->top_attach = top_attach;
|
|
ai->bottom_attach = bottom_attach;
|
|
|
|
menu_shell->children = g_list_append (menu_shell->children, child);
|
|
|
|
gtk_widget_set_parent (child, GTK_WIDGET (menu));
|
|
|
|
menu_queue_resize (menu);
|
|
}
|
|
else
|
|
{
|
|
gtk_container_child_set (GTK_CONTAINER (child->parent), child,
|
|
"left-attach", left_attach,
|
|
"right-attach", right_attach,
|
|
"top-attach", top_attach,
|
|
"bottom-attach", bottom_attach,
|
|
NULL);
|
|
}
|
|
}
|
|
|
|
static gint
|
|
gtk_menu_get_popup_delay (GtkMenuShell *menu_shell)
|
|
{
|
|
gint popup_delay;
|
|
|
|
g_object_get (gtk_widget_get_settings (GTK_WIDGET (menu_shell)),
|
|
"gtk-menu-popup-delay", &popup_delay,
|
|
NULL);
|
|
|
|
return popup_delay;
|
|
}
|
|
|
|
static GtkWidget *
|
|
find_child_containing (GtkMenuShell *menu_shell,
|
|
int left,
|
|
int right,
|
|
int top,
|
|
int bottom)
|
|
{
|
|
GList *list;
|
|
|
|
/* find a child which includes the area given by
|
|
* left, right, top, bottom.
|
|
*/
|
|
|
|
for (list = menu_shell->children; list; list = list->next)
|
|
{
|
|
gint l, r, t, b;
|
|
|
|
if (!_gtk_menu_item_is_selectable (list->data))
|
|
continue;
|
|
|
|
get_effective_child_attach (list->data, &l, &r, &t, &b);
|
|
|
|
if (l <= left && right <= r
|
|
&& t <= top && bottom <= b)
|
|
return GTK_WIDGET (list->data);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_move_current (GtkMenuShell *menu_shell,
|
|
GtkMenuDirectionType direction)
|
|
{
|
|
GtkMenu *menu = GTK_MENU (menu_shell);
|
|
gint i;
|
|
gint l, r, t, b;
|
|
GtkWidget *match = NULL;
|
|
|
|
if (gtk_widget_get_direction (GTK_WIDGET (menu_shell)) == GTK_TEXT_DIR_RTL)
|
|
{
|
|
switch (direction)
|
|
{
|
|
case GTK_MENU_DIR_CHILD:
|
|
direction = GTK_MENU_DIR_PARENT;
|
|
break;
|
|
case GTK_MENU_DIR_PARENT:
|
|
direction = GTK_MENU_DIR_CHILD;
|
|
break;
|
|
default: ;
|
|
}
|
|
}
|
|
|
|
/* use special table menu key bindings */
|
|
if (menu_shell->active_menu_item && gtk_menu_get_n_columns (menu) > 1)
|
|
{
|
|
get_effective_child_attach (menu_shell->active_menu_item, &l, &r, &t, &b);
|
|
|
|
if (direction == GTK_MENU_DIR_NEXT)
|
|
{
|
|
for (i = b; i < gtk_menu_get_n_rows (menu); i++)
|
|
{
|
|
match = find_child_containing (menu_shell, l, l + 1, i, i + 1);
|
|
if (match)
|
|
break;
|
|
}
|
|
|
|
if (!match)
|
|
{
|
|
/* wrap around */
|
|
for (i = 0; i < t; i++)
|
|
{
|
|
match = find_child_containing (menu_shell,
|
|
l, l + 1, i, i + 1);
|
|
if (match)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else if (direction == GTK_MENU_DIR_PREV)
|
|
{
|
|
for (i = t; i > 0; i--)
|
|
{
|
|
match = find_child_containing (menu_shell, l, l + 1, i - 1, i);
|
|
if (match)
|
|
break;
|
|
}
|
|
|
|
if (!match)
|
|
{
|
|
/* wrap around */
|
|
for (i = gtk_menu_get_n_rows (menu); i > b; i--)
|
|
{
|
|
match = find_child_containing (menu_shell,
|
|
l, l + 1, i - 1, i);
|
|
if (match)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else if (direction == GTK_MENU_DIR_PARENT)
|
|
{
|
|
/* we go one left if possible */
|
|
if (l > 0)
|
|
match = find_child_containing (menu_shell, l - 1, l, t, t + 1);
|
|
|
|
if (!match)
|
|
{
|
|
GtkWidget *parent = menu_shell->parent_menu_shell;
|
|
|
|
if (!parent
|
|
|| g_list_length (GTK_MENU_SHELL (parent)->children) <= 1)
|
|
match = menu_shell->active_menu_item;
|
|
}
|
|
}
|
|
else if (direction == GTK_MENU_DIR_CHILD)
|
|
{
|
|
/* we go one right if possible */
|
|
if (r < gtk_menu_get_n_columns (menu))
|
|
match = find_child_containing (menu_shell, r, r + 1, t, t + 1);
|
|
|
|
if (!match)
|
|
{
|
|
GtkWidget *parent = menu_shell->parent_menu_shell;
|
|
|
|
if (! GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu &&
|
|
(!parent ||
|
|
g_list_length (GTK_MENU_SHELL (parent)->children) <= 1))
|
|
match = menu_shell->active_menu_item;
|
|
}
|
|
}
|
|
|
|
if (match)
|
|
{
|
|
gtk_menu_shell_select_item (menu_shell, match);
|
|
return;
|
|
}
|
|
}
|
|
|
|
GTK_MENU_SHELL_CLASS (gtk_menu_parent_class)->move_current (menu_shell, direction);
|
|
}
|
|
|
|
static gint
|
|
get_visible_size (GtkMenu *menu)
|
|
{
|
|
GtkWidget *widget = GTK_WIDGET (menu);
|
|
GtkContainer *container = GTK_CONTAINER (menu);
|
|
|
|
gint menu_height = (widget->allocation.height
|
|
- 2 * (container->border_width
|
|
+ widget->style->ythickness));
|
|
|
|
if (!menu->tearoff_active)
|
|
{
|
|
GtkBorder arrow_border;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
menu_height -= arrow_border.top;
|
|
menu_height -= arrow_border.bottom;
|
|
}
|
|
|
|
return menu_height;
|
|
}
|
|
|
|
/* Find the sensitive on-screen child containing @y, or if none,
|
|
* the nearest selectable onscreen child. (%NULL if none)
|
|
*/
|
|
static GtkWidget *
|
|
child_at (GtkMenu *menu,
|
|
gint y)
|
|
{
|
|
GtkMenuShell *menu_shell = GTK_MENU_SHELL (menu);
|
|
GtkWidget *child = NULL;
|
|
gint child_offset = 0;
|
|
GList *children;
|
|
gint menu_height;
|
|
gint lower, upper; /* Onscreen bounds */
|
|
|
|
menu_height = get_visible_size (menu);
|
|
lower = menu->scroll_offset;
|
|
upper = menu->scroll_offset + menu_height;
|
|
|
|
for (children = menu_shell->children; children; children = children->next)
|
|
{
|
|
if (GTK_WIDGET_VISIBLE (children->data))
|
|
{
|
|
GtkRequisition child_requisition;
|
|
|
|
gtk_widget_size_request (children->data, &child_requisition);
|
|
|
|
if (_gtk_menu_item_is_selectable (children->data) &&
|
|
child_offset >= lower &&
|
|
child_offset + child_requisition.height <= upper)
|
|
{
|
|
child = children->data;
|
|
|
|
if (child_offset + child_requisition.height > y &&
|
|
!GTK_IS_TEAROFF_MENU_ITEM (child))
|
|
return child;
|
|
}
|
|
|
|
child_offset += child_requisition.height;
|
|
}
|
|
}
|
|
|
|
return child;
|
|
}
|
|
|
|
static gint
|
|
get_menu_height (GtkMenu *menu)
|
|
{
|
|
gint height;
|
|
GtkWidget *widget = GTK_WIDGET (menu);
|
|
|
|
height = widget->requisition.height;
|
|
height -= (GTK_CONTAINER (widget)->border_width + widget->style->ythickness) * 2;
|
|
|
|
if (!menu->tearoff_active)
|
|
{
|
|
GtkBorder arrow_border;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
height -= arrow_border.top;
|
|
height -= arrow_border.bottom;
|
|
}
|
|
|
|
return height;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_real_move_scroll (GtkMenu *menu,
|
|
GtkScrollType type)
|
|
{
|
|
gint page_size = get_visible_size (menu);
|
|
gint end_position = get_menu_height (menu);
|
|
GtkMenuShell *menu_shell = GTK_MENU_SHELL (menu);
|
|
|
|
switch (type)
|
|
{
|
|
case GTK_SCROLL_PAGE_UP:
|
|
case GTK_SCROLL_PAGE_DOWN:
|
|
{
|
|
gint old_offset;
|
|
gint new_offset;
|
|
gint child_offset = 0;
|
|
gboolean old_upper_arrow_visible;
|
|
gint step;
|
|
|
|
if (type == GTK_SCROLL_PAGE_UP)
|
|
step = - page_size;
|
|
else
|
|
step = page_size;
|
|
|
|
if (menu_shell->active_menu_item)
|
|
{
|
|
gint child_height;
|
|
|
|
compute_child_offset (menu, menu_shell->active_menu_item,
|
|
&child_offset, &child_height, NULL);
|
|
child_offset += child_height / 2;
|
|
}
|
|
|
|
menu_shell->ignore_enter = TRUE;
|
|
old_upper_arrow_visible = menu->upper_arrow_visible && !menu->tearoff_active;
|
|
old_offset = menu->scroll_offset;
|
|
|
|
new_offset = menu->scroll_offset + step;
|
|
new_offset = CLAMP (new_offset, 0, end_position - page_size);
|
|
|
|
gtk_menu_scroll_to (menu, new_offset);
|
|
|
|
if (menu_shell->active_menu_item)
|
|
{
|
|
GtkWidget *new_child;
|
|
gboolean new_upper_arrow_visible = menu->upper_arrow_visible && !menu->tearoff_active;
|
|
GtkBorder arrow_border;
|
|
|
|
get_arrows_border (menu, &arrow_border);
|
|
|
|
if (menu->scroll_offset != old_offset)
|
|
step = menu->scroll_offset - old_offset;
|
|
|
|
step -= (new_upper_arrow_visible - old_upper_arrow_visible) * arrow_border.top;
|
|
|
|
new_child = child_at (menu, child_offset + step);
|
|
if (new_child)
|
|
gtk_menu_shell_select_item (menu_shell, new_child);
|
|
}
|
|
}
|
|
break;
|
|
case GTK_SCROLL_START:
|
|
/* Ignore the enter event we might get if the pointer is on the menu
|
|
*/
|
|
menu_shell->ignore_enter = TRUE;
|
|
gtk_menu_scroll_to (menu, 0);
|
|
gtk_menu_shell_select_first (menu_shell, TRUE);
|
|
break;
|
|
case GTK_SCROLL_END:
|
|
/* Ignore the enter event we might get if the pointer is on the menu
|
|
*/
|
|
menu_shell->ignore_enter = TRUE;
|
|
gtk_menu_scroll_to (menu, end_position - page_size);
|
|
_gtk_menu_shell_select_last (menu_shell, TRUE);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* gtk_menu_set_monitor:
|
|
* @menu: a #GtkMenu
|
|
* @monitor_num: the number of the monitor on which the menu should
|
|
* be popped up
|
|
*
|
|
* Informs GTK+ on which monitor a menu should be popped up.
|
|
* See gdk_screen_get_monitor_geometry().
|
|
*
|
|
* This function should be called from a #GtkMenuPositionFunc if the
|
|
* menu should not appear on the same monitor as the pointer. This
|
|
* information can't be reliably inferred from the coordinates returned
|
|
* by a #GtkMenuPositionFunc, since, for very long menus, these coordinates
|
|
* may extend beyond the monitor boundaries or even the screen boundaries.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gtk_menu_set_monitor (GtkMenu *menu,
|
|
gint monitor_num)
|
|
{
|
|
GtkMenuPrivate *priv;
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
priv->monitor_num = monitor_num;
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_get_monitor:
|
|
* @menu: a #GtkMenu
|
|
*
|
|
* Retrieves the number of the monitor on which to show the menu.
|
|
*
|
|
* Returns: the number of the monitor on which the menu should
|
|
* be popped up or -1
|
|
*
|
|
* Since: 2.14
|
|
**/
|
|
gint
|
|
gtk_menu_get_monitor (GtkMenu *menu)
|
|
{
|
|
GtkMenuPrivate *priv;
|
|
g_return_if_fail (GTK_IS_MENU (menu));
|
|
|
|
priv = gtk_menu_get_private (menu);
|
|
|
|
return priv->monitor_num;
|
|
}
|
|
|
|
/**
|
|
* gtk_menu_get_for_attach_widget:
|
|
* @widget: a #GtkWidget
|
|
*
|
|
* Returns a list of the menus which are attached to this widget.
|
|
* This list is owned by GTK+ and must not be modified.
|
|
*
|
|
* Return value: the list of menus attached to his widget.
|
|
*
|
|
* Since: 2.6
|
|
**/
|
|
GList*
|
|
gtk_menu_get_for_attach_widget (GtkWidget *widget)
|
|
{
|
|
GList *list;
|
|
|
|
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
|
|
|
|
list = g_object_get_data (G_OBJECT (widget), ATTACHED_MENUS);
|
|
return list;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_grab_notify (GtkWidget *widget,
|
|
gboolean was_grabbed)
|
|
{
|
|
GtkWidget *toplevel;
|
|
GtkWindowGroup *group;
|
|
GtkWidget *grab;
|
|
|
|
toplevel = gtk_widget_get_toplevel (widget);
|
|
group = gtk_window_get_group (GTK_WINDOW (toplevel));
|
|
grab = _gtk_window_group_get_current_grab (group);
|
|
|
|
if (!was_grabbed)
|
|
{
|
|
if (GTK_MENU_SHELL (widget)->active && !GTK_IS_MENU_SHELL (grab))
|
|
gtk_menu_shell_cancel (GTK_MENU_SHELL (widget));
|
|
}
|
|
}
|
|
|
|
#define __GTK_MENU_C__
|
|
#include "gtkaliasdef.c"
|