/* gtktoolitem.c

 *

 * Copyright (C) 2002 Anders Carlsson <andersca@gnome.org>

 * Copyright (C) 2002 James Henstridge <james@daa.com.au>

 * Copyright (C) 2003 Soeren Sandmann <sandmann@daimi.au.dk>

 *

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

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

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

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

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

 * Lesser General Public License for more details.

 *

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

 * License along with this library; if not, write to the

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

 * Boston, MA 02111-1307, USA.

 */

#include "config.h"

#include <string.h>

#undef GTK_DISABLE_DEPRECATED /* GtkTooltips */

#include "gtktoolitem.h"

#include "gtkmarshalers.h"

#include "gtktoolshell.h"

#include "gtkseparatormenuitem.h"

#include "gtkactivatable.h"

#include "gtkintl.h"

#include "gtkmain.h"

#include "gtkprivate.h"

#include "gtkalias.h"

/**

 * SECTION:gtktoolitem

 * @short_description: The base class of widgets that can be added to GtkToolShell

 * @see_also: <variablelist>

 *   <varlistentry>

 *     <term>#GtkToolbar</term>

 *     <listitem><para>The toolbar widget</para></listitem>

 *   </varlistentry>

 *   <varlistentry>

 *     <term>#GtkToolButton</term>

 *     <listitem><para>A subclass of #GtkToolItem that displays buttons on

 *         the toolbar</para></listitem>

 *   </varlistentry>

 *   <varlistentry>

 *     <term>#GtkSeparatorToolItem</term>

 *     <listitem><para>A subclass of #GtkToolItem that separates groups of

 *         items on a toolbar</para></listitem>

 *   </varlistentry>

 * </variablelist>

 *

 * #GtkToolItems are widgets that can appear on a toolbar. To

 * create a toolbar item that contain something else than a button, use

 * gtk_tool_item_new(). Use gtk_container_add() to add a child

 * widget to the tool item.

 *

 * For toolbar items that contain buttons, see the #GtkToolButton,

 * #GtkToggleToolButton and #GtkRadioToolButton classes.

 *

 * See the #GtkToolbar class for a description of the toolbar widget, and

 * #GtkToolShell for a description of the tool shell interface.

 */

/**

 * GtkToolItem:

 *

 * The GtkToolItem struct contains only private data.

 * It should only be accessed through the functions described below.

 */

enum {

  CREATE_MENU_PROXY,

  TOOLBAR_RECONFIGURED,

  SET_TOOLTIP,

  LAST_SIGNAL

};

enum {

  PROP_0,

  PROP_VISIBLE_HORIZONTAL,

  PROP_VISIBLE_VERTICAL,

  PROP_IS_IMPORTANT,

  /* activatable properties */

  PROP_ACTIVATABLE_RELATED_ACTION,

  PROP_ACTIVATABLE_USE_ACTION_APPEARANCE

};

#define GTK_TOOL_ITEM_GET_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_TOOL_ITEM, GtkToolItemPrivate))

struct _GtkToolItemPrivate

{

  gchar *tip_text;

  gchar *tip_private;

  guint visible_horizontal : 1;

  guint visible_vertical : 1;

  guint homogeneous : 1;

  guint expand : 1;

  guint use_drag_window : 1;

  guint is_important : 1;

  GdkWindow *drag_window;

  gchar *menu_item_id;

  GtkWidget *menu_item;

  GtkAction *action;

  gboolean   use_action_appearance;

};

static void gtk_tool_item_finalize     (GObject         *object);

static void gtk_tool_item_dispose      (GObject         *object);

static void gtk_tool_item_parent_set   (GtkWidget       *toolitem,

				        GtkWidget       *parent);

static void gtk_tool_item_set_property (GObject         *object,

					guint            prop_id,

					const GValue    *value,

					GParamSpec      *pspec);

static void gtk_tool_item_get_property (GObject         *object,

					guint            prop_id,

					GValue          *value,

					GParamSpec      *pspec);

static void gtk_tool_item_property_notify (GObject      *object,

					   GParamSpec   *pspec);

static void gtk_tool_item_realize       (GtkWidget      *widget);

static void gtk_tool_item_unrealize     (GtkWidget      *widget);

static void gtk_tool_item_map           (GtkWidget      *widget);

static void gtk_tool_item_unmap         (GtkWidget      *widget);

static void gtk_tool_item_size_request  (GtkWidget      *widget,

					 GtkRequisition *requisition);

static void gtk_tool_item_size_allocate (GtkWidget      *widget,

					 GtkAllocation  *allocation);

static gboolean gtk_tool_item_real_set_tooltip (GtkToolItem *tool_item,

						GtkTooltips *tooltips,

						const gchar *tip_text,

						const gchar *tip_private);

static void gtk_tool_item_activatable_interface_init (GtkActivatableIface  *iface);

static void gtk_tool_item_update                     (GtkActivatable       *activatable,

						      GtkAction            *action,

						      const gchar          *property_name);

static void gtk_tool_item_sync_action_properties     (GtkActivatable       *activatable,

						      GtkAction            *action);

static void gtk_tool_item_set_related_action         (GtkToolItem          *item, 

						      GtkAction            *action);

static void gtk_tool_item_set_use_action_appearance  (GtkToolItem          *item, 

						      gboolean              use_appearance);

static guint toolitem_signals[LAST_SIGNAL] = { 0 };

G_DEFINE_TYPE_WITH_CODE (GtkToolItem, gtk_tool_item, GTK_TYPE_BIN,

			 G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE,

						gtk_tool_item_activatable_interface_init))

static void

gtk_tool_item_class_init (GtkToolItemClass *klass)

{

  GObjectClass *object_class;

  GtkWidgetClass *widget_class;

  object_class = (GObjectClass *)klass;

  widget_class = (GtkWidgetClass *)klass;

  object_class->set_property = gtk_tool_item_set_property;

  object_class->get_property = gtk_tool_item_get_property;

  object_class->finalize     = gtk_tool_item_finalize;

  object_class->dispose      = gtk_tool_item_dispose;

  object_class->notify       = gtk_tool_item_property_notify;

  widget_class->realize       = gtk_tool_item_realize;

  widget_class->unrealize     = gtk_tool_item_unrealize;

  widget_class->map           = gtk_tool_item_map;

  widget_class->unmap         = gtk_tool_item_unmap;

  widget_class->size_request  = gtk_tool_item_size_request;

  widget_class->size_allocate = gtk_tool_item_size_allocate;

  widget_class->parent_set    = gtk_tool_item_parent_set;

  klass->create_menu_proxy = _gtk_tool_item_create_menu_proxy;

  klass->set_tooltip       = gtk_tool_item_real_set_tooltip;

  g_object_class_install_property (object_class,

				   PROP_VISIBLE_HORIZONTAL,

				   g_param_spec_boolean ("visible-horizontal",

							 P_("Visible when horizontal"),

							 P_("Whether the toolbar item is visible when the toolbar is in a horizontal orientation."),

							 TRUE,

							 GTK_PARAM_READWRITE));

  g_object_class_install_property (object_class,

				   PROP_VISIBLE_VERTICAL,

				   g_param_spec_boolean ("visible-vertical",

							 P_("Visible when vertical"),

							 P_("Whether the toolbar item is visible when the toolbar is in a vertical orientation."),

							 TRUE,

							 GTK_PARAM_READWRITE));

  g_object_class_install_property (object_class,

 				   PROP_IS_IMPORTANT,

 				   g_param_spec_boolean ("is-important",

 							 P_("Is important"),

 							 P_("Whether the toolbar item is considered important. When TRUE, toolbar buttons show text in GTK_TOOLBAR_BOTH_HORIZ mode"),

 							 FALSE,

 							 GTK_PARAM_READWRITE));

  g_object_class_override_property (object_class, PROP_ACTIVATABLE_RELATED_ACTION, "related-action");

  g_object_class_override_property (object_class, PROP_ACTIVATABLE_USE_ACTION_APPEARANCE, "use-action-appearance");

/**

 * GtkToolItem::create-menu-proxy:

 * @tool_item: the object the signal was emitted on

 *

 * This signal is emitted when the toolbar needs information from @tool_item

 * about whether the item should appear in the toolbar overflow menu. In

 * response the tool item should either

 * <itemizedlist>

 * <listitem>call gtk_tool_item_set_proxy_menu_item() with a %NULL

 * pointer and return %TRUE to indicate that the item should not appear

 * in the overflow menu

 * </listitem>

 * <listitem> call gtk_tool_item_set_proxy_menu_item() with a new menu

 * item and return %TRUE, or 

 * </listitem>

 * <listitem> return %FALSE to indicate that the signal was not

 * handled by the item. This means that

 * the item will not appear in the overflow menu unless a later handler

 * installs a menu item.

 * </listitem>

 * </itemizedlist>

 *

 * The toolbar may cache the result of this signal. When the tool item changes

 * how it will respond to this signal it must call gtk_tool_item_rebuild_menu()

 * to invalidate the cache and ensure that the toolbar rebuilds its overflow

 * menu.

 *

 * Return value: %TRUE if the signal was handled, %FALSE if not

 **/

  toolitem_signals[CREATE_MENU_PROXY] =

    g_signal_new (I_("create-menu-proxy"),

		  G_OBJECT_CLASS_TYPE (klass),

		  G_SIGNAL_RUN_LAST,

		  G_STRUCT_OFFSET (GtkToolItemClass, create_menu_proxy),

		  _gtk_boolean_handled_accumulator, NULL,

		  _gtk_marshal_BOOLEAN__VOID,

		  G_TYPE_BOOLEAN, 0);

/**

 * GtkToolItem::toolbar-reconfigured:

 * @tool_item: the object the signal was emitted on

 *

 * This signal is emitted when some property of the toolbar that the

 * item is a child of changes. For custom subclasses of #GtkToolItem,

 * the default handler of this signal use the functions

 * <itemizedlist>

 * <listitem>gtk_tool_shell_get_orientation()</listitem>

 * <listitem>gtk_tool_shell_get_style()</listitem>

 * <listitem>gtk_tool_shell_get_icon_size()</listitem>

 * <listitem>gtk_tool_shell_get_relief_style()</listitem>

 * </itemizedlist>

 * to find out what the toolbar should look like and change

 * themselves accordingly.

 **/

  toolitem_signals[TOOLBAR_RECONFIGURED] =

    g_signal_new (I_("toolbar-reconfigured"),

		  G_OBJECT_CLASS_TYPE (klass),

		  G_SIGNAL_RUN_LAST,

		  G_STRUCT_OFFSET (GtkToolItemClass, toolbar_reconfigured),

		  NULL, NULL,

		  _gtk_marshal_VOID__VOID,

		  G_TYPE_NONE, 0);

/**

 * GtkToolItem::set-tooltip:

 * @tool_item: the object the signal was emitted on

 * @tooltips: the #GtkTooltips

 * @tip_text: the tooltip text

 * @tip_private: the tooltip private text

 *

 * This signal is emitted when the toolitem's tooltip changes.

 * Application developers can use gtk_tool_item_set_tooltip() to

 * set the item's tooltip.

 *

 * Return value: %TRUE if the signal was handled, %FALSE if not

 *

 * Deprecated: 2.12: With the new tooltip API, there is no

 *   need to use this signal anymore.

 **/

  toolitem_signals[SET_TOOLTIP] =

    g_signal_new (I_("set-tooltip"),

		  G_OBJECT_CLASS_TYPE (klass),

		  G_SIGNAL_RUN_LAST,

		  G_STRUCT_OFFSET (GtkToolItemClass, set_tooltip),

		  _gtk_boolean_handled_accumulator, NULL,

		  _gtk_marshal_BOOLEAN__OBJECT_STRING_STRING,

		  G_TYPE_BOOLEAN, 3,

		  GTK_TYPE_TOOLTIPS,

		  G_TYPE_STRING,

		  G_TYPE_STRING);		  

  g_type_class_add_private (object_class, sizeof (GtkToolItemPrivate));

}

static void

gtk_tool_item_init (GtkToolItem *toolitem)

{

  gtk_widget_set_can_focus (GTK_WIDGET (toolitem), FALSE);

  toolitem->priv = GTK_TOOL_ITEM_GET_PRIVATE (toolitem);

  toolitem->priv->visible_horizontal = TRUE;

  toolitem->priv->visible_vertical = TRUE;

  toolitem->priv->homogeneous = FALSE;

  toolitem->priv->expand = FALSE;

  toolitem->priv->use_action_appearance = TRUE;

}

static void

gtk_tool_item_finalize (GObject *object)

{

  GtkToolItem *item = GTK_TOOL_ITEM (object);

  g_free (item->priv->menu_item_id);

  if (item->priv->menu_item)

    g_object_unref (item->priv->menu_item);

  G_OBJECT_CLASS (gtk_tool_item_parent_class)->finalize (object);

}

static void

gtk_tool_item_dispose (GObject *object)

{

  GtkToolItem *item = GTK_TOOL_ITEM (object);

  if (item->priv->action)

    {

      gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (item), NULL);      

      item->priv->action = NULL;

    }

  G_OBJECT_CLASS (gtk_tool_item_parent_class)->dispose (object);

}

static void

gtk_tool_item_parent_set (GtkWidget   *toolitem,

			  GtkWidget   *prev_parent)

{

  if (GTK_WIDGET (toolitem)->parent != NULL)

    gtk_tool_item_toolbar_reconfigured (GTK_TOOL_ITEM (toolitem));

}

static void

gtk_tool_item_set_property (GObject      *object,

			    guint         prop_id,

			    const GValue *value,

			    GParamSpec   *pspec)

{

  GtkToolItem *toolitem = GTK_TOOL_ITEM (object);

  switch (prop_id)

    {

    case PROP_VISIBLE_HORIZONTAL:

      gtk_tool_item_set_visible_horizontal (toolitem, g_value_get_boolean (value));

      break;

    case PROP_VISIBLE_VERTICAL:

      gtk_tool_item_set_visible_vertical (toolitem, g_value_get_boolean (value));

      break;

    case PROP_IS_IMPORTANT:

      gtk_tool_item_set_is_important (toolitem, g_value_get_boolean (value));

      break;

    case PROP_ACTIVATABLE_RELATED_ACTION:

      gtk_tool_item_set_related_action (toolitem, g_value_get_object (value));

      break;

    case PROP_ACTIVATABLE_USE_ACTION_APPEARANCE:

      gtk_tool_item_set_use_action_appearance (toolitem, g_value_get_boolean (value));

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

gtk_tool_item_get_property (GObject    *object,

			    guint       prop_id,

			    GValue     *value,

			    GParamSpec *pspec)

{

  GtkToolItem *toolitem = GTK_TOOL_ITEM (object);

  switch (prop_id)

    {

    case PROP_VISIBLE_HORIZONTAL:

      g_value_set_boolean (value, toolitem->priv->visible_horizontal);

      break;

    case PROP_VISIBLE_VERTICAL:

      g_value_set_boolean (value, toolitem->priv->visible_vertical);

      break;

    case PROP_IS_IMPORTANT:

      g_value_set_boolean (value, toolitem->priv->is_important);

      break;

    case PROP_ACTIVATABLE_RELATED_ACTION:

      g_value_set_object (value, toolitem->priv->action);

      break;

    case PROP_ACTIVATABLE_USE_ACTION_APPEARANCE:

      g_value_set_boolean (value, toolitem->priv->use_action_appearance);

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

gtk_tool_item_property_notify (GObject    *object,

			       GParamSpec *pspec)

{

  GtkToolItem *tool_item = GTK_TOOL_ITEM (object);

  if (tool_item->priv->menu_item && strcmp (pspec->name, "sensitive") == 0)

    gtk_widget_set_sensitive (tool_item->priv->menu_item,

			      gtk_widget_get_sensitive (GTK_WIDGET (tool_item)));

}

static void

create_drag_window (GtkToolItem *toolitem)

{

  GtkWidget *widget;

  GdkWindowAttr attributes;

  gint attributes_mask, border_width;

  g_return_if_fail (toolitem->priv->use_drag_window == TRUE);

  widget = GTK_WIDGET (toolitem);

  border_width = GTK_CONTAINER (toolitem)->border_width;

  attributes.window_type = GDK_WINDOW_CHILD;

  attributes.x = widget->allocation.x + border_width;

  attributes.y = widget->allocation.y + border_width;

  attributes.width = widget->allocation.width - border_width * 2;

  attributes.height = widget->allocation.height - border_width * 2;

  attributes.wclass = GDK_INPUT_ONLY;

  attributes.event_mask = gtk_widget_get_events (widget);

  attributes.event_mask |= (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);

  attributes_mask = GDK_WA_X | GDK_WA_Y;

  toolitem->priv->drag_window = gdk_window_new (gtk_widget_get_parent_window (widget),

					  &attributes, attributes_mask);

  gdk_window_set_user_data (toolitem->priv->drag_window, toolitem);

}

static void

gtk_tool_item_realize (GtkWidget *widget)

{

  GtkToolItem *toolitem;

  toolitem = GTK_TOOL_ITEM (widget);

  gtk_widget_set_realized (widget, TRUE);

  widget->window = gtk_widget_get_parent_window (widget);

  g_object_ref (widget->window);

  if (toolitem->priv->use_drag_window)

    create_drag_window(toolitem);

  widget->style = gtk_style_attach (widget->style, widget->window);

}

static void

destroy_drag_window (GtkToolItem *toolitem)

{

  if (toolitem->priv->drag_window)

    {

      gdk_window_set_user_data (toolitem->priv->drag_window, NULL);

      gdk_window_destroy (toolitem->priv->drag_window);

      toolitem->priv->drag_window = NULL;

    }

}

static void

gtk_tool_item_unrealize (GtkWidget *widget)

{

  GtkToolItem *toolitem;

  toolitem = GTK_TOOL_ITEM (widget);

  destroy_drag_window (toolitem);

  GTK_WIDGET_CLASS (gtk_tool_item_parent_class)->unrealize (widget);

}

static void

gtk_tool_item_map (GtkWidget *widget)

{

  GtkToolItem *toolitem;

  toolitem = GTK_TOOL_ITEM (widget);

  GTK_WIDGET_CLASS (gtk_tool_item_parent_class)->map (widget);

  if (toolitem->priv->drag_window)

    gdk_window_show (toolitem->priv->drag_window);

}

static void

gtk_tool_item_unmap (GtkWidget *widget)

{

  GtkToolItem *toolitem;

  toolitem = GTK_TOOL_ITEM (widget);

  if (toolitem->priv->drag_window)

    gdk_window_hide (toolitem->priv->drag_window);

  GTK_WIDGET_CLASS (gtk_tool_item_parent_class)->unmap (widget);

}

static void

gtk_tool_item_size_request (GtkWidget      *widget,

			    GtkRequisition *requisition)

{

  GtkWidget *child = GTK_BIN (widget)->child;

  if (child && gtk_widget_get_visible (child))

    {

      gtk_widget_size_request (child, requisition);

    }

  else

    {

      requisition->height = 0;

      requisition->width = 0;

    }

  requisition->width += (GTK_CONTAINER (widget)->border_width) * 2;

  requisition->height += (GTK_CONTAINER (widget)->border_width) * 2;

}

static void

gtk_tool_item_size_allocate (GtkWidget     *widget,

			     GtkAllocation *allocation)

{

  GtkToolItem *toolitem = GTK_TOOL_ITEM (widget);

  GtkAllocation child_allocation;

  gint border_width;

  GtkWidget *child = GTK_BIN (widget)->child;

  widget->allocation = *allocation;

  border_width = GTK_CONTAINER (widget)->border_width;

  if (toolitem->priv->drag_window)

    gdk_window_move_resize (toolitem->priv->drag_window,

                            widget->allocation.x + border_width,

                            widget->allocation.y + border_width,

                            widget->allocation.width - border_width * 2,

                            widget->allocation.height - border_width * 2);

  if (child && gtk_widget_get_visible (child))

    {

      child_allocation.x = allocation->x + border_width;

      child_allocation.y = allocation->y + border_width;

      child_allocation.width = allocation->width - 2 * border_width;

      child_allocation.height = allocation->height - 2 * border_width;

      gtk_widget_size_allocate (child, &child_allocation);

    }

}

gboolean

_gtk_tool_item_create_menu_proxy (GtkToolItem *item)

{

  GtkWidget *menu_item;

  gboolean visible_overflown;

  if (item->priv->action)

    {

      g_object_get (item->priv->action, "visible-overflown", &visible_overflown, NULL);

      if (visible_overflown)

	{

	  menu_item = gtk_action_create_menu_item (item->priv->action);

	  g_object_ref_sink (menu_item);

      	  gtk_tool_item_set_proxy_menu_item (item, "gtk-action-menu-item", menu_item);

	  g_object_unref (menu_item);

	}

      else

	gtk_tool_item_set_proxy_menu_item (item, "gtk-action-menu-item", NULL);

      return TRUE;

    }

  return FALSE;

}

static void

gtk_tool_item_activatable_interface_init (GtkActivatableIface *iface)

{

  iface->update = gtk_tool_item_update;

  iface->sync_action_properties = gtk_tool_item_sync_action_properties;

}

static void

gtk_tool_item_update (GtkActivatable *activatable,

		      GtkAction      *action,

	     	      const gchar    *property_name)

{

  if (strcmp (property_name, "visible") == 0)

    {

      if (gtk_action_is_visible (action))

	gtk_widget_show (GTK_WIDGET (activatable));

      else

	gtk_widget_hide (GTK_WIDGET (activatable));

    }

  else if (strcmp (property_name, "sensitive") == 0)

    gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));

  else if (strcmp (property_name, "tooltip") == 0)

    gtk_tool_item_set_tooltip_text (GTK_TOOL_ITEM (activatable),

				    gtk_action_get_tooltip (action));

  else if (strcmp (property_name, "visible-horizontal") == 0)

    gtk_tool_item_set_visible_horizontal (GTK_TOOL_ITEM (activatable),

					  gtk_action_get_visible_horizontal (action));

  else if (strcmp (property_name, "visible-vertical") == 0)

    gtk_tool_item_set_visible_vertical (GTK_TOOL_ITEM (activatable),

					gtk_action_get_visible_vertical (action));

  else if (strcmp (property_name, "is-important") == 0)

    gtk_tool_item_set_is_important (GTK_TOOL_ITEM (activatable),

				    gtk_action_get_is_important (action));

}

static void

gtk_tool_item_sync_action_properties (GtkActivatable *activatable,

				      GtkAction      *action)

{

  if (!action)

    return;

  if (gtk_action_is_visible (action))

    gtk_widget_show (GTK_WIDGET (activatable));

  else

    gtk_widget_hide (GTK_WIDGET (activatable));

  gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));

  gtk_tool_item_set_tooltip_text (GTK_TOOL_ITEM (activatable),

				  gtk_action_get_tooltip (action));

  gtk_tool_item_set_visible_horizontal (GTK_TOOL_ITEM (activatable),

					gtk_action_get_visible_horizontal (action));

  gtk_tool_item_set_visible_vertical (GTK_TOOL_ITEM (activatable),

				      gtk_action_get_visible_vertical (action));

  gtk_tool_item_set_is_important (GTK_TOOL_ITEM (activatable),

				  gtk_action_get_is_important (action));

}

static void

gtk_tool_item_set_related_action (GtkToolItem *item, 

				  GtkAction   *action)

{

  if (item->priv->action == action)

    return;

  gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (item), action);

  item->priv->action = action;

  if (action)

    {

      gtk_tool_item_rebuild_menu (item);

    }

}

static void

gtk_tool_item_set_use_action_appearance (GtkToolItem *item,

					 gboolean     use_appearance)

{

  if (item->priv->use_action_appearance != use_appearance)

    {

      item->priv->use_action_appearance = use_appearance;

      gtk_activatable_sync_action_properties (GTK_ACTIVATABLE (item), item->priv->action);

    }

}

/**

 * gtk_tool_item_new:

 * 

 * Creates a new #GtkToolItem

 * 

 * Return value: the new #GtkToolItem

 * 

 * Since: 2.4

 **/

GtkToolItem *

gtk_tool_item_new (void)

{

  GtkToolItem *item;

  item = g_object_new (GTK_TYPE_TOOL_ITEM, NULL);

  return item;

}

/**

 * gtk_tool_item_get_ellipsize_mode:

 * @tool_item: a #GtkToolItem

 *

 * Returns the ellipsize mode used for @tool_item. Custom subclasses of

 * #GtkToolItem should call this function to find out how text should

 * be ellipsized.

 *

 * Return value: a #PangoEllipsizeMode indicating how text in @tool_item

 * should be ellipsized.

 *

 * Since: 2.20

 **/

PangoEllipsizeMode

gtk_tool_item_get_ellipsize_mode (GtkToolItem *tool_item)

{

  GtkWidget *parent;

  g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ORIENTATION_HORIZONTAL);

  parent = GTK_WIDGET (tool_item)->parent;

  if (!parent || !GTK_IS_TOOL_SHELL (parent))

    return PANGO_ELLIPSIZE_NONE;

  return gtk_tool_shell_get_ellipsize_mode (GTK_TOOL_SHELL (parent));

}

/**

 * gtk_tool_item_get_icon_size:

 * @tool_item: a #GtkToolItem

 * 

 * Returns the icon size used for @tool_item. Custom subclasses of

 * #GtkToolItem should call this function to find out what size icons

 * they should use.

 * 

 * Return value: (type int): a #GtkIconSize indicating the icon size

 * used for @tool_item

 * 

 * Since: 2.4

 **/

GtkIconSize

gtk_tool_item_get_icon_size (GtkToolItem *tool_item)

{

  GtkWidget *parent;

  g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ICON_SIZE_LARGE_TOOLBAR);

  parent = GTK_WIDGET (tool_item)->parent;

  if (!parent || !GTK_IS_TOOL_SHELL (parent))

    return GTK_ICON_SIZE_LARGE_TOOLBAR;

  return gtk_tool_shell_get_icon_size (GTK_TOOL_SHELL (parent));

}

/**

 * gtk_tool_item_get_orientation:

 * @tool_item: a #GtkToolItem 

 * 

 * Returns the orientation used for @tool_item. Custom subclasses of

 * #GtkToolItem should call this function to find out what size icons

 * they should use.

 * 

 * Return value: a #GtkOrientation indicating the orientation

 * used for @tool_item

 * 

 * Since: 2.4

 **/

GtkOrientation

gtk_tool_item_get_orientation (GtkToolItem *tool_item)

{

  GtkWidget *parent;

  g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ORIENTATION_HORIZONTAL);

  parent = GTK_WIDGET (tool_item)->parent;

  if (!parent || !GTK_IS_TOOL_SHELL (parent))

    return GTK_ORIENTATION_HORIZONTAL;

  return gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (parent));

}

/**

 * gtk_tool_item_get_toolbar_style:

 * @tool_item: a #GtkToolItem 

 * 

 * Returns the toolbar style used for @tool_item. Custom subclasses of

 * #GtkToolItem should call this function in the handler of the

 * GtkToolItem::toolbar_reconfigured signal to find out in what style

 * the toolbar is displayed and change themselves accordingly 

 *

 * Possibilities are:

 * <itemizedlist>

 * <listitem> GTK_TOOLBAR_BOTH, meaning the tool item should show

 * both an icon and a label, stacked vertically </listitem>

 * <listitem> GTK_TOOLBAR_ICONS, meaning the toolbar shows

 * only icons </listitem>

 * <listitem> GTK_TOOLBAR_TEXT, meaning the tool item should only

 * show text</listitem>

 * <listitem> GTK_TOOLBAR_BOTH_HORIZ, meaning the tool item should show

 * both an icon and a label, arranged horizontally (however, note the 

 * #GtkToolButton::has_text_horizontally that makes tool buttons not

 * show labels when the toolbar style is GTK_TOOLBAR_BOTH_HORIZ.

 * </listitem>

 * </itemizedlist>

 * 

 * Return value: A #GtkToolbarStyle indicating the toolbar style used

 * for @tool_item.

 * 

 * Since: 2.4

 **/

GtkToolbarStyle

gtk_tool_item_get_toolbar_style (GtkToolItem *tool_item)

{

  GtkWidget *parent;

  g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_TOOLBAR_ICONS);

  parent = GTK_WIDGET (tool_item)->parent;

  if (!parent || !GTK_IS_TOOL_SHELL (parent))

    return GTK_TOOLBAR_ICONS;

  return gtk_tool_shell_get_style (GTK_TOOL_SHELL (parent));

}

/**

 * gtk_tool_item_get_relief_style:

 * @tool_item: a #GtkToolItem 

 * 

 * Returns the relief style of @tool_item. See gtk_button_set_relief_style().

 * Custom subclasses of #GtkToolItem should call this function in the handler

 * of the #GtkToolItem::toolbar_reconfigured signal to find out the

 * relief style of buttons.

 * 

 * Return value: a #GtkReliefStyle indicating the relief style used

 * for @tool_item.

 * 

 * Since: 2.4

 **/

GtkReliefStyle 

gtk_tool_item_get_relief_style (GtkToolItem *tool_item)

{

  GtkWidget *parent;

  g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_RELIEF_NONE);

  parent = GTK_WIDGET (tool_item)->parent;

  if (!parent || !GTK_IS_TOOL_SHELL (parent))

    return GTK_RELIEF_NONE;

  return gtk_tool_shell_get_relief_style (GTK_TOOL_SHELL (parent));

}

/**

 * gtk_tool_item_get_text_alignment:

 * @tool_item: a #GtkToolItem: 

 * 

 * Returns the text alignment used for @tool_item. Custom subclasses of

 * #GtkToolItem should call this function to find out how text should

 * be aligned.

 * 

 * Return value: a #gfloat indicating the horizontal text alignment

 * used for @tool_item

 * 

 * Since: 2.20

 **/

gfloat

gtk_tool_item_get_text_alignment (GtkToolItem *tool_item)

{

  GtkWidget *parent;

  g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ORIENTATION_HORIZONTAL);

  parent = GTK_WIDGET (tool_item)->parent;

  if (!parent || !GTK_IS_TOOL_SHELL (parent))

    return 0.5;