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// Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
// source code is governed by a BSD-style license that can be found in the
// LICENSE file.
#ifndef VIEWS_CONTROLS_MENU_NATIVE_MENU_GTK_H_
#define VIEWS_CONTROLS_MENU_NATIVE_MENU_GTK_H_
#include <gtk/gtk.h>
#include "views/controls/menu/menu_wrapper.h"
namespace menus {
class MenuModel;
}
namespace views {
// A Gtk implementation of MenuWrapper.
// TODO(beng): rename to MenuGtk once the old class is dead.
class NativeMenuGtk : public MenuWrapper {
public:
explicit NativeMenuGtk(menus::MenuModel* model);
virtual ~NativeMenuGtk();
// Overridden from MenuWrapper:
virtual void RunMenuAt(const gfx::Point& point, int alignment);
virtual void CancelMenu();
virtual void Rebuild();
virtual void UpdateStates();
virtual gfx::NativeMenu GetNativeMenu() const;
private:
static void OnMenuHidden(GtkWidget* widget, NativeMenuGtk* menu);
void AddSeparatorAt(int index);
GtkWidget* AddMenuItemAt(int index, GtkRadioMenuItem* radio_group);
void ResetMenu();
// Updates the menu item's state.
void UpdateMenuItemState(GtkWidget* menu_item);
static void UpdateStateCallback(GtkWidget* menu_item, gpointer data);
// Callback for gtk_menu_popup to position the menu.
static void MenuPositionFunc(GtkMenu* menu, int* x, int* y, gboolean* push_in,
void* data);
// Event handlers:
void OnActivate(GtkMenuItem* menu_item);
// Gtk signal handlers.
static void CallActivate(GtkMenuItem* menu_item, NativeMenuGtk* native_menu);
// Sets the parent of this menu.
void set_parent(NativeMenuGtk* parent) { parent_ = parent; }
// Returns the root of the menu tree.
NativeMenuGtk* GetAncestor();
// Notifies the model the user selected an item.
void Activate();
// If we're a submenu, this is the parent.
NativeMenuGtk* parent_;
menus::MenuModel* model_;
GtkWidget* menu_;
bool menu_shown_;
// A flag used to avoid misfiring ActivateAt call on the menu model.
// This is necessary as GTK menu fires an activate signal even when the
// state is changed by |UpdateStates()| API.
bool suppress_activate_signal_;
// If the user selects something from the menu this is the menu they selected
// it from. When an item is selected menu_activated_ on the root ancestor is
// set to the menu the user selected and after the nested message loop exits
// Activate is invoked on this menu.
NativeMenuGtk* activated_menu_;
// The index of the item the user selected. This is set on the actual menu the
// user selects and not the root.
int activated_index_;
DISALLOW_COPY_AND_ASSIGN(NativeMenuGtk);
};
} // namespace views
#endif // VIEWS_CONTROLS_MENU_NATIVE_MENU_GTK_H_
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