/*

 * GTK - The GIMP Toolkit

 * Copyright (C) 1998, 1999 Red Hat, Inc.

 * All rights reserved.

 *

 * This Library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public License as

 * published by the Free Software Foundation; either version 2 of the

 * License, or (at your option) any later version.

 *

 * This Library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with the Gnome Library; see the file COPYING.LIB.  If not,

 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Author: James Henstridge <james@daa.com.au>

 *

 * Modified by the GTK+ Team and others 2003.  See the AUTHORS

 * file for a list of people on the GTK+ Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 

 */

#include "config.h"

#include "gtkintl.h"

#include "gtktoggleaction.h"

#include "gtktoggleactionprivate.h"

#include "gtktoggletoolbutton.h"

#include "gtktogglebutton.h"

#include "gtkcheckmenuitem.h"

#include "gtkprivate.h"

#include "gtkalias.h"

enum 

{

  TOGGLED,

  LAST_SIGNAL

};

enum {

  PROP_0,

  PROP_DRAW_AS_RADIO,

  PROP_ACTIVE

};

G_DEFINE_TYPE (GtkToggleAction, gtk_toggle_action, GTK_TYPE_ACTION)

static void gtk_toggle_action_activate     (GtkAction       *action);

static void set_property                   (GObject         *object,

					    guint            prop_id,

					    const GValue    *value,

					    GParamSpec      *pspec);

static void get_property                   (GObject         *object,

					    guint            prop_id,

					    GValue          *value,

					    GParamSpec      *pspec);

static GtkWidget *create_menu_item         (GtkAction       *action);

static GObjectClass *parent_class = NULL;

static guint         action_signals[LAST_SIGNAL] = { 0 };

static void

gtk_toggle_action_class_init (GtkToggleActionClass *klass)

{

  GObjectClass *gobject_class;

  GtkActionClass *action_class;

  parent_class = g_type_class_peek_parent (klass);

  gobject_class = G_OBJECT_CLASS (klass);

  action_class = GTK_ACTION_CLASS (klass);

  gobject_class->set_property = set_property;

  gobject_class->get_property = get_property;

  action_class->activate = gtk_toggle_action_activate;

  action_class->menu_item_type = GTK_TYPE_CHECK_MENU_ITEM;

  action_class->toolbar_item_type = GTK_TYPE_TOGGLE_TOOL_BUTTON;

  action_class->create_menu_item = create_menu_item;

  klass->toggled = NULL;

  /**

   * GtkToggleAction:draw-as-radio:

   *

   * Whether the proxies for this action look like radio action proxies.

   *

   * This is an appearance property and thus only applies if 

   * #GtkActivatable:use-action-appearance is %TRUE.

   */

  g_object_class_install_property (gobject_class,

                                   PROP_DRAW_AS_RADIO,

                                   g_param_spec_boolean ("draw-as-radio",

                                                         P_("Create the same proxies as a radio action"),

                                                         P_("Whether the proxies for this action look like radio action proxies"),

                                                         FALSE,

                                                         GTK_PARAM_READWRITE));

  /**

   * GtkToggleAction:active:

   *

   * If the toggle action should be active in or not.

   *

   * Since: 2.10

   */

  g_object_class_install_property (gobject_class,

                                   PROP_ACTIVE,

                                   g_param_spec_boolean ("active",

                                                         P_("Active"),

                                                         P_("If the toggle action should be active in or not"),

                                                         FALSE,

                                                         GTK_PARAM_READWRITE));

  action_signals[TOGGLED] =

    g_signal_new (I_("toggled"),

                  G_OBJECT_CLASS_TYPE (klass),

                  G_SIGNAL_RUN_FIRST,

                  G_STRUCT_OFFSET (GtkToggleActionClass, toggled),

		  NULL, NULL,

                  g_cclosure_marshal_VOID__VOID,

                  G_TYPE_NONE, 0);

  g_type_class_add_private (gobject_class, sizeof (GtkToggleActionPrivate));

}

static void

gtk_toggle_action_init (GtkToggleAction *action)

{

  action->private_data = GTK_TOGGLE_ACTION_GET_PRIVATE (action);

  action->private_data->active = FALSE;

  action->private_data->draw_as_radio = FALSE;

}

/**

 * gtk_toggle_action_new:

 * @name: A unique name for the action

 * @label: (allow-none): The label displayed in menu items and on buttons, or %NULL

 * @tooltip: (allow-none): A tooltip for the action, or %NULL

 * @stock_id: The stock icon to display in widgets representing the

 *   action, or %NULL

 *

 * Creates a new #GtkToggleAction object. To add the action to

 * a #GtkActionGroup and set the accelerator for the action,

 * call gtk_action_group_add_action_with_accel().

 *

 * Return value: a new #GtkToggleAction

 *

 * Since: 2.4

 */

GtkToggleAction *

gtk_toggle_action_new (const gchar *name,

		       const gchar *label,

		       const gchar *tooltip,

		       const gchar *stock_id)

{

  g_return_val_if_fail (name != NULL, NULL);

  return g_object_new (GTK_TYPE_TOGGLE_ACTION,

		       "name", name,

		       "label", label,

		       "tooltip", tooltip,

		       "stock-id", stock_id,

		       NULL);

}

static void

get_property (GObject     *object,

	      guint        prop_id,

	      GValue      *value,

	      GParamSpec  *pspec)

{

  GtkToggleAction *action = GTK_TOGGLE_ACTION (object);

  switch (prop_id)

    {

    case PROP_DRAW_AS_RADIO:

      g_value_set_boolean (value, gtk_toggle_action_get_draw_as_radio (action));

      break;

    case PROP_ACTIVE:

      g_value_set_boolean (value, gtk_toggle_action_get_active (action));

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

set_property (GObject      *object,

	      guint         prop_id,

	      const GValue *value,

	      GParamSpec   *pspec)

{

  GtkToggleAction *action = GTK_TOGGLE_ACTION (object);

  switch (prop_id)

    {

    case PROP_DRAW_AS_RADIO:

      gtk_toggle_action_set_draw_as_radio (action, g_value_get_boolean (value));

      break;

    case PROP_ACTIVE:

      gtk_toggle_action_set_active (action, g_value_get_boolean (value));

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

gtk_toggle_action_activate (GtkAction *action)

{

  GtkToggleAction *toggle_action;

  g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));

  toggle_action = GTK_TOGGLE_ACTION (action);

  toggle_action->private_data->active = !toggle_action->private_data->active;

  g_object_notify (G_OBJECT (action), "active");

  gtk_toggle_action_toggled (toggle_action);

}

/**

 * gtk_toggle_action_toggled:

 * @action: the action object

 *

 * Emits the "toggled" signal on the toggle action.

 *

 * Since: 2.4

 */

void

gtk_toggle_action_toggled (GtkToggleAction *action)

{

  g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));

  g_signal_emit (action, action_signals[TOGGLED], 0);

}

/**

 * gtk_toggle_action_set_active:

 * @action: the action object

 * @is_active: whether the action should be checked or not

 *

 * Sets the checked state on the toggle action.

 *

 * Since: 2.4

 */

void

gtk_toggle_action_set_active (GtkToggleAction *action, 

			      gboolean         is_active)

{

  g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));

  is_active = is_active != FALSE;

  if (action->private_data->active != is_active)

    _gtk_action_emit_activate (GTK_ACTION (action));

}

/**

 * gtk_toggle_action_get_active:

 * @action: the action object

 *

 * Returns the checked state of the toggle action.

 * Returns: the checked state of the toggle action

 *

 * Since: 2.4

 */

gboolean

gtk_toggle_action_get_active (GtkToggleAction *action)

{

  g_return_val_if_fail (GTK_IS_TOGGLE_ACTION (action), FALSE);

  return action->private_data->active;

}

/**

 * gtk_toggle_action_set_draw_as_radio:

 * @action: the action object

 * @draw_as_radio: whether the action should have proxies like a radio 

 *    action

 *

 * Sets whether the action should have proxies like a radio action.

 *

 * Since: 2.4

 */

void

gtk_toggle_action_set_draw_as_radio (GtkToggleAction *action, 

				     gboolean         draw_as_radio)

{

  g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));

  draw_as_radio = draw_as_radio != FALSE;

  if (action->private_data->draw_as_radio != draw_as_radio)

    {

      action->private_data->draw_as_radio = draw_as_radio;

      g_object_notify (G_OBJECT (action), "draw-as-radio");      

    }

}

/**

 * gtk_toggle_action_get_draw_as_radio:

 * @action: the action object

 *

 * Returns whether the action should have proxies like a radio action.

 *

 * Returns: whether the action should have proxies like a radio action.

 *

 * Since: 2.4

 */

gboolean

gtk_toggle_action_get_draw_as_radio (GtkToggleAction *action)

{

  g_return_val_if_fail (GTK_IS_TOGGLE_ACTION (action), FALSE);

  return action->private_data->draw_as_radio;

}

static GtkWidget *

create_menu_item (GtkAction *action)

{

  GtkToggleAction *toggle_action = GTK_TOGGLE_ACTION (action);

  return g_object_new (GTK_TYPE_CHECK_MENU_ITEM, 

		       "draw-as-radio", toggle_action->private_data->draw_as_radio,

		       NULL);

}

#define __GTK_TOGGLE_ACTION_C__

#include "gtkaliasdef.c"