A model-view separation for menus and toolbars, using the EggMenu code by
2003-08-24 Matthias Clasen <maclas@gmx.de> * gtk/gtkaction.[ch]: * gtk/gtktoggleaction.[ch]: * gtk/gtktoggleactionprivate.h: * gtk/gtkradioaction.[ch]: * gtk/gtkactiongroup.[ch]: * gtk/gtkmenumerge.[ch]: A model-view separation for menus and toolbars, using the EggMenu code by James Henstridge. * gtk/gtk.h: Include new headers. * gtk/Makefile.am: Add new files. * tests/testactions.c: Test for actions. * tests/testmerge.c: Test for menu merging. * tests/merge-[123].ui: Test data for testmerge. * tests/Makefile.am: Add testactions and testmerge. * demos/gtk-demo/appwindow.c: Use GtkMenuMerge to construct the menubar and toolbar.
This commit is contained in:
Matthias Clasen
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Matthias Clasen
Matthias Clasen
parent
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902
gtk/gtkaction.c
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902
gtk/gtkaction.c
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@ -0,0 +1,902 @@
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/*
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* GTK - The GIMP Toolkit
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* Copyright (C) 1998, 1999 Red Hat, Inc.
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* All rights reserved.
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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 Library General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with the Gnome Library; see the file COPYING.LIB. If not,
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* write to the 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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* Author: James Henstridge <james@daa.com.au>
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*
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* Modified by the GTK+ Team and others 2003. 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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#include <config.h>
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#include "gtkaction.h"
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#include "gtktoolbutton.h"
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#include "gtkmenuitem.h"
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#include "gtkimagemenuitem.h"
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#include "gtkstock.h"
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#include "gtklabel.h"
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#include "gtkimage.h"
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#include "gtkaccellabel.h"
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#include "gtkintl.h"
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#define GTK_ACTION_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ACTION, GtkActionPrivate))
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struct _GtkActionPrivate
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{
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gchar *name;
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gchar *label;
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gchar *short_label;
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gchar *tooltip;
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gchar *stock_id; /* icon */
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guint sensitive : 1;
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guint visible : 1;
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guint label_set : 1; /* these two used so we can set label */
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guint short_label_set : 1; /* based on stock id */
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/* accelerator */
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GQuark accel_quark;
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/* list of proxy widgets */
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GSList *proxies;
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};
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enum
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{
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ACTIVATE,
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_NAME,
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PROP_LABEL,
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PROP_SHORT_LABEL,
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PROP_TOOLTIP,
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PROP_STOCK_ID,
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PROP_SENSITIVE,
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PROP_VISIBLE,
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};
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static void gtk_action_init (GtkAction *action);
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static void gtk_action_class_init (GtkActionClass *class);
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static GQuark accel_path_id = 0;
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static const gchar *accel_path_key = "GtkAction::accel_path";
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GType
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gtk_action_get_type (void)
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{
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static GtkType type = 0;
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if (!type)
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{
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static const GTypeInfo type_info =
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{
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sizeof (GtkActionClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gtk_action_class_init,
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(GClassFinalizeFunc) NULL,
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NULL,
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sizeof (GtkAction),
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0, /* n_preallocs */
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(GInstanceInitFunc) gtk_action_init,
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};
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type = g_type_register_static (G_TYPE_OBJECT,
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"GtkAction",
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&type_info, 0);
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}
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return type;
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}
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static void gtk_action_finalize (GObject *object);
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static void gtk_action_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_action_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 GtkWidget *create_menu_item (GtkAction *action);
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static GtkWidget *create_tool_item (GtkAction *action);
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static void connect_proxy (GtkAction *action,
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GtkWidget *proxy);
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static void disconnect_proxy (GtkAction *action,
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GtkWidget *proxy);
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static GObjectClass *parent_class = NULL;
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static guint action_signals[LAST_SIGNAL] = { 0 };
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static void
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gtk_action_class_init (GtkActionClass *klass)
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{
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GObjectClass *gobject_class;
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accel_path_id = g_quark_from_static_string (accel_path_key);
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parent_class = g_type_class_peek_parent (klass);
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gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = gtk_action_finalize;
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gobject_class->set_property = gtk_action_set_property;
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gobject_class->get_property = gtk_action_get_property;
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klass->activate = NULL;
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klass->create_menu_item = create_menu_item;
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klass->create_tool_item = create_tool_item;
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klass->connect_proxy = connect_proxy;
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klass->disconnect_proxy = disconnect_proxy;
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klass->menu_item_type = GTK_TYPE_IMAGE_MENU_ITEM;
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klass->toolbar_item_type = GTK_TYPE_TOOL_BUTTON;
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g_object_class_install_property (gobject_class,
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PROP_NAME,
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g_param_spec_string ("name",
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_("Name"),
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_("A unique name for the action."),
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NULL,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (gobject_class,
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PROP_LABEL,
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g_param_spec_string ("label",
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_("Label"),
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_("The label used for menu items and buttons that activate this action."),
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NULL,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_SHORT_LABEL,
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g_param_spec_string ("short_label",
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_("Short label"),
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_("A shorter label that may be used on toolbar buttons."),
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NULL,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_TOOLTIP,
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g_param_spec_string ("tooltip",
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_("Tooltip"),
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_("A tooltip for this action."),
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NULL,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_STOCK_ID,
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g_param_spec_string ("stock_id",
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_("Stock Icon"),
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_("The stock icon displayed in widgets representing this action."),
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NULL,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_SENSITIVE,
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g_param_spec_boolean ("sensitive",
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_("Sensitive"),
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_("Whether the action is enabled."),
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TRUE,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_VISIBLE,
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g_param_spec_boolean ("visible",
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_("Visible"),
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_("Whether the action is visible."),
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TRUE,
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G_PARAM_READWRITE));
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action_signals[ACTIVATE] =
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g_signal_new ("activate",
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G_OBJECT_CLASS_TYPE (klass),
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G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE,
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G_STRUCT_OFFSET (GtkActionClass, activate), NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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g_type_class_add_private (gobject_class, sizeof (GtkActionPrivate));
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}
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static void
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gtk_action_init (GtkAction *action)
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{
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action->private_data = GTK_ACTION_GET_PRIVATE (action);
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action->private_data->name = NULL;
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action->private_data->label = NULL;
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action->private_data->short_label = NULL;
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action->private_data->tooltip = NULL;
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action->private_data->stock_id = NULL;
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action->private_data->sensitive = TRUE;
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action->private_data->visible = TRUE;
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action->private_data->label_set = FALSE;
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action->private_data->short_label_set = FALSE;
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action->private_data->accel_quark = 0;
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action->private_data->proxies = NULL;
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}
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static void
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gtk_action_finalize (GObject *object)
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{
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GtkAction *action;
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action = GTK_ACTION (object);
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g_free (action->private_data->name);
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g_free (action->private_data->label);
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g_free (action->private_data->short_label);
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g_free (action->private_data->tooltip);
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g_free (action->private_data->stock_id);
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}
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static void
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gtk_action_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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{
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GtkAction *action;
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gchar *tmp;
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action = GTK_ACTION (object);
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switch (prop_id)
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{
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case PROP_NAME:
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tmp = action->private_data->name;
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action->private_data->name = g_value_dup_string (value);
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g_free (tmp);
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break;
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case PROP_LABEL:
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tmp = action->private_data->label;
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action->private_data->label = g_value_dup_string (value);
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g_free (tmp);
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action->private_data->label_set = (action->private_data->label != NULL);
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/* if label is unset, then use the label from the stock item */
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if (!action->private_data->label_set && action->private_data->stock_id)
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{
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GtkStockItem stock_item;
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if (gtk_stock_lookup (action->private_data->stock_id, &stock_item))
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action->private_data->label = g_strdup (stock_item.label);
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}
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/* if short_label is unset, set short_label=label */
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if (!action->private_data->short_label_set)
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{
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tmp = action->private_data->short_label;
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action->private_data->short_label = g_strdup (action->private_data->label);
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g_free (tmp);
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g_object_notify (object, "short_label");
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}
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break;
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case PROP_SHORT_LABEL:
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tmp = action->private_data->short_label;
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action->private_data->short_label = g_value_dup_string (value);
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g_free (tmp);
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action->private_data->short_label_set = (action->private_data->short_label != NULL);
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/* if short_label is unset, then use the value of label */
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if (!action->private_data->short_label_set)
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{
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action->private_data->short_label = g_strdup (action->private_data->label);
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}
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break;
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case PROP_TOOLTIP:
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tmp = action->private_data->tooltip;
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action->private_data->tooltip = g_value_dup_string (value);
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g_free (tmp);
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break;
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case PROP_STOCK_ID:
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tmp = action->private_data->stock_id;
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action->private_data->stock_id = g_value_dup_string (value);
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g_free (tmp);
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/* update label and short_label if appropriate */
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if (!action->private_data->label_set)
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{
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GtkStockItem stock_item;
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g_free (action->private_data->label);
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if (gtk_stock_lookup (action->private_data->stock_id, &stock_item))
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action->private_data->label = g_strdup (stock_item.label);
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else
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action->private_data->label = NULL;
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g_object_notify (object, "label");
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}
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if (!action->private_data->short_label_set)
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{
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tmp = action->private_data->short_label;
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action->private_data->short_label = g_strdup (action->private_data->label);
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g_free (tmp);
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g_object_notify (object, "short_label");
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}
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break;
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case PROP_SENSITIVE:
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action->private_data->sensitive = g_value_get_boolean (value);
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break;
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case PROP_VISIBLE:
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action->private_data->visible = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_action_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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{
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GtkAction *action;
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action = GTK_ACTION (object);
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switch (prop_id)
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{
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case PROP_NAME:
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g_value_set_string (value, action->private_data->name);
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break;
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case PROP_LABEL:
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g_value_set_string (value, action->private_data->label);
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break;
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case PROP_SHORT_LABEL:
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g_value_set_string (value, action->private_data->short_label);
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break;
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case PROP_TOOLTIP:
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g_value_set_string (value, action->private_data->tooltip);
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break;
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case PROP_STOCK_ID:
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g_value_set_string (value, action->private_data->stock_id);
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break;
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case PROP_SENSITIVE:
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g_value_set_boolean (value, action->private_data->sensitive);
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break;
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case PROP_VISIBLE:
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g_value_set_boolean (value, action->private_data->visible);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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||||
}
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||||
}
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||||
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static GtkWidget *
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create_menu_item (GtkAction *action)
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{
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GType menu_item_type;
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menu_item_type = GTK_ACTION_GET_CLASS (action)->menu_item_type;
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||||
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return g_object_new (menu_item_type, NULL);
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||||
}
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||||
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||||
static GtkWidget *
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create_tool_item (GtkAction *action)
|
||||
{
|
||||
GType toolbar_item_type;
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||||
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||||
toolbar_item_type = GTK_ACTION_GET_CLASS (action)->toolbar_item_type;
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||||
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||||
return g_object_new (toolbar_item_type, NULL);
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||||
}
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||||
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||||
static void
|
||||
gtk_action_remove_proxy (GtkWidget *widget,
|
||||
GtkAction *action)
|
||||
{
|
||||
action->private_data->proxies = g_slist_remove (action->private_data->proxies, widget);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_action_sync_property (GtkAction *action,
|
||||
GParamSpec *pspec,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
const gchar *property;
|
||||
GValue value = { 0, };
|
||||
|
||||
property = g_param_spec_get_name (pspec);
|
||||
|
||||
g_value_init(&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
|
||||
g_object_get_property (G_OBJECT (action), property, &value);
|
||||
|
||||
g_object_set_property (G_OBJECT (proxy), property, &value);
|
||||
g_value_unset (&value);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_action_sync_label (GtkAction *action,
|
||||
GParamSpec *pspec,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
GtkWidget *label = NULL;
|
||||
|
||||
g_return_if_fail (GTK_IS_MENU_ITEM (proxy));
|
||||
label = GTK_BIN (proxy)->child;
|
||||
|
||||
if (GTK_IS_LABEL (label))
|
||||
gtk_label_set_label (GTK_LABEL (label), action->private_data->label);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_action_sync_short_label (GtkAction *action,
|
||||
GParamSpec *pspec,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
GValue value = { 0, };
|
||||
|
||||
g_value_init (&value, G_TYPE_STRING);
|
||||
g_object_get_property (G_OBJECT (action), "short_label", &value);
|
||||
|
||||
g_object_set_property (G_OBJECT (proxy), "label", &value);
|
||||
g_value_unset (&value);
|
||||
}
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||||
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||||
static void
|
||||
gtk_action_sync_stock_id (GtkAction *action,
|
||||
GParamSpec *pspec,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
GtkWidget *image = NULL;
|
||||
|
||||
if (GTK_IS_IMAGE_MENU_ITEM (proxy))
|
||||
{
|
||||
image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
|
||||
|
||||
if (GTK_IS_IMAGE (image))
|
||||
gtk_image_set_from_stock (GTK_IMAGE (image),
|
||||
action->private_data->stock_id, GTK_ICON_SIZE_MENU);
|
||||
}
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_action_create_menu_proxy (GtkToolItem *tool_item,
|
||||
GtkAction *action)
|
||||
{
|
||||
GtkWidget *menu_item = gtk_action_create_menu_item (action);
|
||||
|
||||
g_object_ref (menu_item);
|
||||
gtk_object_sink (GTK_OBJECT (menu_item));
|
||||
|
||||
gtk_tool_item_set_proxy_menu_item (tool_item, "gtk-action-menu-item", menu_item);
|
||||
g_object_unref (menu_item);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
connect_proxy (GtkAction *action,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
g_object_ref (action);
|
||||
g_object_set_data_full (G_OBJECT (proxy), "gtk-action", action,
|
||||
g_object_unref);
|
||||
|
||||
/* add this widget to the list of proxies */
|
||||
action->private_data->proxies = g_slist_prepend (action->private_data->proxies, proxy);
|
||||
g_signal_connect (proxy, "destroy",
|
||||
G_CALLBACK (gtk_action_remove_proxy), action);
|
||||
|
||||
g_signal_connect_object (action, "notify::sensitive",
|
||||
G_CALLBACK (gtk_action_sync_property), proxy, 0);
|
||||
gtk_widget_set_sensitive (proxy, action->private_data->sensitive);
|
||||
|
||||
g_signal_connect_object (action, "notify::visible",
|
||||
G_CALLBACK (gtk_action_sync_property), proxy, 0);
|
||||
if (action->private_data->visible)
|
||||
gtk_widget_show (proxy);
|
||||
else
|
||||
gtk_widget_hide (proxy);
|
||||
|
||||
if (GTK_IS_MENU_ITEM (proxy))
|
||||
{
|
||||
GtkWidget *label;
|
||||
/* menu item specific synchronisers ... */
|
||||
|
||||
label = GTK_BIN (proxy)->child;
|
||||
|
||||
/* make sure label is a label */
|
||||
if (label && !GTK_IS_LABEL (label))
|
||||
{
|
||||
gtk_container_remove (GTK_CONTAINER (proxy), label);
|
||||
label = NULL;
|
||||
}
|
||||
if (!label)
|
||||
{
|
||||
label = g_object_new (GTK_TYPE_ACCEL_LABEL,
|
||||
"use_underline", TRUE,
|
||||
"xalign", 0.0,
|
||||
"visible", TRUE,
|
||||
"parent", proxy,
|
||||
"accel_widget", proxy,
|
||||
NULL);
|
||||
}
|
||||
gtk_label_set_label (GTK_LABEL (label), action->private_data->label);
|
||||
g_signal_connect_object (action, "notify::label",
|
||||
G_CALLBACK (gtk_action_sync_label), proxy, 0);
|
||||
|
||||
if (GTK_IS_IMAGE_MENU_ITEM (proxy))
|
||||
{
|
||||
GtkWidget *image;
|
||||
|
||||
image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
|
||||
if (image && !GTK_IS_IMAGE (image))
|
||||
{
|
||||
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), NULL);
|
||||
image = NULL;
|
||||
}
|
||||
if (!image)
|
||||
{
|
||||
image = gtk_image_new_from_stock (NULL,
|
||||
GTK_ICON_SIZE_MENU);
|
||||
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy),
|
||||
image);
|
||||
gtk_widget_show (image);
|
||||
}
|
||||
gtk_image_set_from_stock (GTK_IMAGE (image),
|
||||
action->private_data->stock_id, GTK_ICON_SIZE_MENU);
|
||||
g_signal_connect_object (action, "notify::stock_id",
|
||||
G_CALLBACK (gtk_action_sync_stock_id),
|
||||
proxy, 0);
|
||||
}
|
||||
|
||||
if (action->private_data->accel_quark)
|
||||
{
|
||||
gtk_menu_item_set_accel_path (GTK_MENU_ITEM (proxy),
|
||||
g_quark_to_string (action->private_data->accel_quark));
|
||||
}
|
||||
|
||||
g_signal_connect_object (proxy, "activate",
|
||||
G_CALLBACK (gtk_action_activate), action,
|
||||
G_CONNECT_SWAPPED);
|
||||
}
|
||||
else if (GTK_IS_TOOL_BUTTON (proxy))
|
||||
{
|
||||
/* toolbar button specific synchronisers ... */
|
||||
|
||||
/* synchronise the label */
|
||||
g_object_set (G_OBJECT (proxy),
|
||||
"label", action->private_data->short_label,
|
||||
"use_underline", TRUE,
|
||||
NULL);
|
||||
g_signal_connect_object (action, "notify::short_label",
|
||||
G_CALLBACK (gtk_action_sync_short_label),
|
||||
proxy, 0);
|
||||
|
||||
g_object_set (G_OBJECT (proxy), "stock_id", action->private_data->stock_id, NULL);
|
||||
g_signal_connect_object (action, "notify::stock_id",
|
||||
G_CALLBACK (gtk_action_sync_property), proxy, 0);
|
||||
|
||||
g_signal_connect_object (proxy, "create_menu_proxy",
|
||||
G_CALLBACK (gtk_action_create_menu_proxy),
|
||||
action, 0);
|
||||
|
||||
g_signal_connect_object (proxy, "clicked",
|
||||
G_CALLBACK (gtk_action_activate), action,
|
||||
G_CONNECT_SWAPPED);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
disconnect_proxy (GtkAction *action,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
static guint notify_id = 0;
|
||||
|
||||
if (!notify_id)
|
||||
notify_id = g_signal_lookup ("notify", G_TYPE_OBJECT);
|
||||
|
||||
g_object_set_data (G_OBJECT (proxy), "gtk-action", NULL);
|
||||
|
||||
/* remove proxy from list of proxies */
|
||||
g_signal_handlers_disconnect_by_func (proxy,
|
||||
G_CALLBACK (gtk_action_remove_proxy),
|
||||
action);
|
||||
gtk_action_remove_proxy (proxy, action);
|
||||
|
||||
/* disconnect the activate handler */
|
||||
g_signal_handlers_disconnect_by_func (proxy,
|
||||
G_CALLBACK (gtk_action_activate),
|
||||
action);
|
||||
|
||||
/* disconnect handlers for notify::* signals */
|
||||
g_signal_handlers_disconnect_by_func (proxy,
|
||||
G_CALLBACK (gtk_action_sync_property),
|
||||
action);
|
||||
|
||||
g_signal_handlers_disconnect_by_func (action,
|
||||
G_CALLBACK (gtk_action_sync_stock_id), proxy);
|
||||
|
||||
/* menu item specific synchronisers ... */
|
||||
g_signal_handlers_disconnect_by_func (action,
|
||||
G_CALLBACK (gtk_action_sync_label),
|
||||
proxy);
|
||||
|
||||
gtk_menu_item_set_accel_path (GTK_MENU_ITEM (proxy), NULL);
|
||||
|
||||
/* toolbar button specific synchronisers ... */
|
||||
g_signal_handlers_disconnect_by_func (action,
|
||||
G_CALLBACK (gtk_action_sync_short_label),
|
||||
proxy);
|
||||
g_signal_handlers_disconnect_by_func (proxy,
|
||||
G_CALLBACK (gtk_action_create_menu_proxy),
|
||||
action);
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_activate:
|
||||
* @action: the action object
|
||||
*
|
||||
* Emits the "activate" signal on the specified action.
|
||||
* This gets called by the proxy widgets when they get activated.
|
||||
*
|
||||
* It can also be used to manually activate an action.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
void
|
||||
gtk_action_activate (GtkAction *action)
|
||||
{
|
||||
g_signal_emit (action, action_signals[ACTIVATE], 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_create_icon:
|
||||
* @action: the action object
|
||||
* @icon_size: the size of the icon that should be created.
|
||||
*
|
||||
* This function is intended for use by action implementations to
|
||||
* create icons displayed in the proxy widgets.
|
||||
*
|
||||
* Returns: a widget that displays the icon for this action.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
GtkWidget *
|
||||
gtk_action_create_icon (GtkAction *action, GtkIconSize icon_size)
|
||||
{
|
||||
g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
|
||||
|
||||
if (action->private_data->stock_id)
|
||||
return gtk_image_new_from_stock (action->private_data->stock_id, icon_size);
|
||||
else
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_create_menu_item:
|
||||
* @action: the action object
|
||||
*
|
||||
* Creates a menu item widget that proxies for the given action.
|
||||
*
|
||||
* Returns: a menu item connected to the action.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
GtkWidget *
|
||||
gtk_action_create_menu_item (GtkAction *action)
|
||||
{
|
||||
GtkWidget *menu_item;
|
||||
|
||||
g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
|
||||
|
||||
menu_item = (* GTK_ACTION_GET_CLASS (action)->create_menu_item) (action);
|
||||
|
||||
(* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, menu_item);
|
||||
|
||||
return menu_item;
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_create_tool_item:
|
||||
* @action: the action object
|
||||
*
|
||||
* Creates a toolbar item widget that proxies for the given action.
|
||||
*
|
||||
* Returns: a toolbar item connected to the action.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
GtkWidget *
|
||||
gtk_action_create_tool_item (GtkAction *action)
|
||||
{
|
||||
GtkWidget *button;
|
||||
|
||||
g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
|
||||
|
||||
button = (* GTK_ACTION_GET_CLASS (action)->create_tool_item) (action);
|
||||
|
||||
(* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, button);
|
||||
|
||||
return button;
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_connect_proxy:
|
||||
* @action: the action object
|
||||
* @proxy: the proxy widget
|
||||
*
|
||||
* Connects a widget to an action object as a proxy. Synchronises
|
||||
* various properties of the action with the widget (such as label
|
||||
* text, icon, tooltip, etc), and attaches a callback so that the
|
||||
* action gets activated when the proxy widget does.
|
||||
*
|
||||
* If the widget is already connected to an action, it is disconnected
|
||||
* first.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
void
|
||||
gtk_action_connect_proxy (GtkAction *action,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
GtkAction *prev_action;
|
||||
|
||||
g_return_if_fail (GTK_IS_ACTION (action));
|
||||
g_return_if_fail (GTK_IS_WIDGET (proxy));
|
||||
|
||||
prev_action = g_object_get_data (G_OBJECT (proxy), "gtk-action");
|
||||
|
||||
if (prev_action)
|
||||
{
|
||||
(* GTK_ACTION_GET_CLASS (action)->disconnect_proxy) (action, proxy);
|
||||
}
|
||||
|
||||
(* GTK_ACTION_GET_CLASS (action)->connect_proxy) (action, proxy);
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_disconnect_proxy:
|
||||
* @action: the action object
|
||||
* @proxy: the proxy widget
|
||||
*
|
||||
* Disconnects a proxy widget from an action.
|
||||
* Does <emphasis>not</emphasis> destroy the widget, however.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
void
|
||||
gtk_action_disconnect_proxy (GtkAction *action,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
g_return_if_fail (GTK_IS_ACTION (action));
|
||||
g_return_if_fail (GTK_IS_WIDGET (proxy));
|
||||
|
||||
g_return_if_fail (g_object_get_data (G_OBJECT (proxy), "gtk-action") != action);
|
||||
|
||||
(* GTK_ACTION_GET_CLASS (action)->disconnect_proxy) (action, proxy);
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_get_proxies:
|
||||
* @action: the action object
|
||||
*
|
||||
* Returns the proxy widgets for an action.
|
||||
*
|
||||
* Return value: a #GSList of proxy widgets. The list is owned by the action and
|
||||
* must not be modified.
|
||||
*
|
||||
* Since: 2.4
|
||||
**/
|
||||
GSList*
|
||||
gtk_action_get_proxies (GtkAction *action)
|
||||
{
|
||||
g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
|
||||
|
||||
return action->private_data->proxies;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* gtk_action_get_name:
|
||||
* @action: the action object
|
||||
*
|
||||
* Returns the name of the action.
|
||||
*
|
||||
* Return value: the name of the action. The string belongs to GTK+ and should not
|
||||
* be freed.
|
||||
*
|
||||
* Since: 2.4
|
||||
**/
|
||||
const gchar *
|
||||
gtk_action_get_name (GtkAction *action)
|
||||
{
|
||||
g_return_val_if_fail (GTK_IS_ACTION (action), NULL);
|
||||
|
||||
return action->private_data->name;
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_block_activate_from:
|
||||
* @action: the action object
|
||||
* @proxy: a proxy widget
|
||||
*
|
||||
* Disables calls to the gtk_action_activate()
|
||||
* function by signals on the given proxy widget. This is used to
|
||||
* break notification loops for things like check or radio actions.
|
||||
*
|
||||
* This function is intended for use by action implementations.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
void
|
||||
gtk_action_block_activate_from (GtkAction *action,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
g_return_if_fail (GTK_IS_ACTION (action));
|
||||
|
||||
g_signal_handlers_block_by_func (proxy, G_CALLBACK (gtk_action_activate),
|
||||
action);
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_unblock_activate_from:
|
||||
* @action: the action object
|
||||
* @proxy: a proxy widget
|
||||
*
|
||||
* Re-enables calls to the gtk_action_activate()
|
||||
* function by signals on the given proxy widget. This undoes the
|
||||
* blocking done by gtk_action_block_activate_from().
|
||||
*
|
||||
* This function is intended for use by action implementations.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
void
|
||||
gtk_action_unblock_activate_from (GtkAction *action,
|
||||
GtkWidget *proxy)
|
||||
{
|
||||
g_return_if_fail (GTK_IS_ACTION (action));
|
||||
|
||||
g_signal_handlers_unblock_by_func (proxy, G_CALLBACK (gtk_action_activate),
|
||||
action);
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_action_set_accel_path:
|
||||
* @action: the action object
|
||||
* @accel_path: the accelerator path
|
||||
*
|
||||
* Sets the accel path for this action. All proxy widgets associated
|
||||
* with the action will have this accel path, so that their
|
||||
* accelerators are consistent.
|
||||
*
|
||||
* Since: 2.4
|
||||
*/
|
||||
void
|
||||
gtk_action_set_accel_path (GtkAction *action,
|
||||
const gchar *accel_path)
|
||||
{
|
||||
action->private_data->accel_quark = g_quark_from_string (accel_path);
|
||||
}
|
||||
Reference in New Issue
Block a user