forked from AuroraMiddleware/gtk
367 lines
10 KiB
C
367 lines
10 KiB
C
/*
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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 "gtkintl.h"
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#include "gtktoggleaction.h"
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#include "gtktoggletoolbutton.h"
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#include "gtktogglebutton.h"
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#include "gtkcheckmenuitem.h"
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#include "gtkprivate.h"
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/**
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* SECTION:gtktoggleaction
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* @Short_description: An action which can be toggled between two states
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* @Title: GtkToggleAction
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*
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* A #GtkToggleAction corresponds roughly to a #GtkCheckMenuItem. It has an
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* "active" state specifying whether the action has been checked or not.
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*/
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struct _GtkToggleActionPrivate
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{
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guint active : 1;
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guint draw_as_radio : 1;
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};
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enum
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{
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TOGGLED,
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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_DRAW_AS_RADIO,
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PROP_ACTIVE
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};
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G_DEFINE_TYPE (GtkToggleAction, gtk_toggle_action, GTK_TYPE_ACTION)
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static void gtk_toggle_action_activate (GtkAction *action);
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static void 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 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 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_toggle_action_class_init (GtkToggleActionClass *klass)
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{
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GObjectClass *gobject_class;
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GtkActionClass *action_class;
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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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action_class = GTK_ACTION_CLASS (klass);
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gobject_class->set_property = set_property;
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gobject_class->get_property = get_property;
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action_class->activate = gtk_toggle_action_activate;
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action_class->menu_item_type = GTK_TYPE_CHECK_MENU_ITEM;
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action_class->toolbar_item_type = GTK_TYPE_TOGGLE_TOOL_BUTTON;
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action_class->create_menu_item = create_menu_item;
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klass->toggled = NULL;
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/**
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* GtkToggleAction:draw-as-radio:
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*
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* Whether the proxies for this action look like radio action proxies.
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*
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* This is an appearance property and thus only applies if
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* #GtkActivatable:use-action-appearance is %TRUE.
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*/
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g_object_class_install_property (gobject_class,
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PROP_DRAW_AS_RADIO,
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g_param_spec_boolean ("draw-as-radio",
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P_("Create the same proxies as a radio action"),
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P_("Whether the proxies for this action look like radio action proxies"),
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FALSE,
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GTK_PARAM_READWRITE));
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/**
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* GtkToggleAction:active:
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*
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* If the toggle action should be active in or not.
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_ACTIVE,
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g_param_spec_boolean ("active",
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P_("Active"),
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P_("If the toggle action should be active in or not"),
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FALSE,
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GTK_PARAM_READWRITE));
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/**
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* GtkToggleAction::toggled:
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* @toggleaction: the object which received the signal.
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*
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* Should be connected if you wish to perform an action
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* whenever the #GtkToggleAction state is changed.
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*/
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action_signals[TOGGLED] =
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g_signal_new (I_("toggled"),
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G_OBJECT_CLASS_TYPE (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GtkToggleActionClass, toggled),
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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 (GtkToggleActionPrivate));
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}
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static void
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gtk_toggle_action_init (GtkToggleAction *action)
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{
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action->private_data = G_TYPE_INSTANCE_GET_PRIVATE (action,
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GTK_TYPE_TOGGLE_ACTION,
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GtkToggleActionPrivate);
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action->private_data->active = FALSE;
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action->private_data->draw_as_radio = FALSE;
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}
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/**
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* gtk_toggle_action_new:
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* @name: A unique name for the action
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* @label: (allow-none): The label displayed in menu items and on buttons, or %NULL
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* @tooltip: (allow-none): A tooltip for the action, or %NULL
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* @stock_id: The stock icon to display in widgets representing the
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* action, or %NULL
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*
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* Creates a new #GtkToggleAction object. To add the action to
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* a #GtkActionGroup and set the accelerator for the action,
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* call gtk_action_group_add_action_with_accel().
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*
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* Return value: a new #GtkToggleAction
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*
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* Since: 2.4
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*/
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GtkToggleAction *
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gtk_toggle_action_new (const gchar *name,
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const gchar *label,
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const gchar *tooltip,
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const gchar *stock_id)
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{
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g_return_val_if_fail (name != NULL, NULL);
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return g_object_new (GTK_TYPE_TOGGLE_ACTION,
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"name", name,
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"label", label,
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"tooltip", tooltip,
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"stock-id", stock_id,
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NULL);
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}
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static void
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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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GtkToggleAction *action = GTK_TOGGLE_ACTION (object);
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switch (prop_id)
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{
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case PROP_DRAW_AS_RADIO:
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g_value_set_boolean (value, gtk_toggle_action_get_draw_as_radio (action));
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break;
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case PROP_ACTIVE:
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g_value_set_boolean (value, gtk_toggle_action_get_active (action));
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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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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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GtkToggleAction *action = GTK_TOGGLE_ACTION (object);
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switch (prop_id)
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{
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case PROP_DRAW_AS_RADIO:
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gtk_toggle_action_set_draw_as_radio (action, g_value_get_boolean (value));
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break;
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case PROP_ACTIVE:
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gtk_toggle_action_set_active (action, 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_toggle_action_activate (GtkAction *action)
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{
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GtkToggleAction *toggle_action;
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g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
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toggle_action = GTK_TOGGLE_ACTION (action);
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toggle_action->private_data->active = !toggle_action->private_data->active;
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g_object_notify (G_OBJECT (action), "active");
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gtk_toggle_action_toggled (toggle_action);
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}
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/**
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* gtk_toggle_action_toggled:
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* @action: the action object
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*
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* Emits the "toggled" signal on the toggle action.
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*
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* Since: 2.4
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*/
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void
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gtk_toggle_action_toggled (GtkToggleAction *action)
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{
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g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
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g_signal_emit (action, action_signals[TOGGLED], 0);
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}
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/**
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* gtk_toggle_action_set_active:
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* @action: the action object
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* @is_active: whether the action should be checked or not
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*
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* Sets the checked state on the toggle action.
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*
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* Since: 2.4
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*/
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void
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gtk_toggle_action_set_active (GtkToggleAction *action,
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gboolean is_active)
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{
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g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
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is_active = is_active != FALSE;
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if (action->private_data->active != is_active)
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_gtk_action_emit_activate (GTK_ACTION (action));
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}
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/**
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* gtk_toggle_action_get_active:
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* @action: the action object
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*
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* Returns the checked state of the toggle action.
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*
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* Returns: the checked state of the toggle action
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*
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* Since: 2.4
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*/
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gboolean
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gtk_toggle_action_get_active (GtkToggleAction *action)
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{
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g_return_val_if_fail (GTK_IS_TOGGLE_ACTION (action), FALSE);
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return action->private_data->active;
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}
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/**
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* gtk_toggle_action_set_draw_as_radio:
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* @action: the action object
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* @draw_as_radio: whether the action should have proxies like a radio
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* action
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*
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* Sets whether the action should have proxies like a radio action.
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*
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* Since: 2.4
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*/
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void
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gtk_toggle_action_set_draw_as_radio (GtkToggleAction *action,
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gboolean draw_as_radio)
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{
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g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
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draw_as_radio = draw_as_radio != FALSE;
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if (action->private_data->draw_as_radio != draw_as_radio)
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{
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action->private_data->draw_as_radio = draw_as_radio;
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g_object_notify (G_OBJECT (action), "draw-as-radio");
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}
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}
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/**
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* gtk_toggle_action_get_draw_as_radio:
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* @action: the action object
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*
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* Returns whether the action should have proxies like a radio action.
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*
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* Returns: whether the action should have proxies like a radio action.
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*
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* Since: 2.4
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*/
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gboolean
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gtk_toggle_action_get_draw_as_radio (GtkToggleAction *action)
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{
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g_return_val_if_fail (GTK_IS_TOGGLE_ACTION (action), FALSE);
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return action->private_data->draw_as_radio;
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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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GtkToggleAction *toggle_action = GTK_TOGGLE_ACTION (action);
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return g_object_new (GTK_TYPE_CHECK_MENU_ITEM,
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"draw-as-radio", toggle_action->private_data->draw_as_radio,
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NULL);
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}
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