/* -*- mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode:t -*- */
/* AbiSource Program Utilities
 * Copyright (C) 1998-2000 AbiSource, Inc.
 * Copyright (C) 2019 Hubert Figuière
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef EV_UNIXMENU_H
#define EV_UNIXMENU_H

#include <vector>

#include "ut_types.h"
#include "xap_Types.h"
#include "ev_Menu.h"

class AV_View;
class XAP_UnixApp;
class XAP_UnixFrameImpl;
class XAP_Frame;

/*****************************************************************/

class EV_UnixMenu : public EV_Menu
{
public:

	EV_UnixMenu(XAP_UnixApp * pUnixApp,
		    XAP_Frame * pFrame,
		    const char * szMenuLayoutName,
		    const char * szMenuLabelSetName);
	virtual ~EV_UnixMenu();

	bool				synthesizeMenu(GtkWidget * wMenuRoot, bool isPopup);
	bool				menuEvent(XAP_Menu_Id id) const;
	virtual bool		refreshMenu(AV_View * pView) = 0;

	XAP_Frame * 	getFrame() const;

protected:
	bool				_refreshMenu(AV_View * pView, GtkWidget * wMenuRoot);
	bool				_isItemPresent(XAP_Menu_Id id) const;
	virtual bool		_doAddMenuItem(UT_uint32 layout_pos) override;

protected: // FIXME! These variables should be private.
	XAP_UnixApp *		m_pUnixApp;
	XAP_Frame *  	m_pFrame;

	// Menu accelerator group, dynamically filled on synth()
	GtkAccelGroup * 	m_accelGroup;

	// actual GTK menu widgets
	std::vector<GtkWidget*> m_vecMenuWidgets;
	class _wd
	{
	public:
		_wd(EV_UnixMenu * pUnixMenu, XAP_Menu_Id id);
		~_wd();
		static void s_onActivate(GtkWidget * widget, gpointer callback_data);
		static void s_onMenuItemSelect(GtkWidget * /*widget*/, gpointer data);
		static void s_onMenuItemDeselect(GtkWidget * /*widget*/, gpointer data);
		static void s_onInitMenu(GtkMenuItem * /*menuItem*/, gpointer callback_data);
		static void s_onDestroyMenu(GtkMenuItem * /*menuItem*/, gpointer callback_data);
		static void s_onDestroyPopupMenu(GtkMenuItem * menuItem, gpointer callback_data);

		EV_UnixMenu* m_pUnixMenu;
		XAP_Menu_Id	m_id;
	};

	std::vector<_wd*> m_vecCallbacks;
private:
	void _convertStringToAccel(const char *s, guint &accel_key, GdkModifierType &ac_mods);
	GtkWidget * s_createNormalMenuEntry(const XAP_Menu_Id id,
										bool isCheckable,
										bool isRadio,
										bool isPopup,
										const char *szLabelName,
										const char *szMnemonicName);
};

#endif /* EV_UNIXMENU_H */
