/*
 * Copyright (C) 2002-2004, 2006-2008 by the Widelands Development Team
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef GAME_OPTIONS_MENU_H
#define GAME_OPTIONS_MENU_H

#include "interactive_gamebase.h"

#include "ui_basic/button.h"
#include "ui_basic/textarea.h"
#include "ui_basic/unique_window.h"

// The GameOptionsMenu is a rather dumb window with lots of buttons
struct GameOptionsMenu : public UI::UniqueWindow {
	GameOptionsMenu
		(Interactive_GameBase &,
		 UI::UniqueWindow::Registry &,
		 Interactive_GameBase::Game_Main_Menu_Windows &);

private:
	Interactive_GameBase                         & m_gb;
	Interactive_GameBase::Game_Main_Menu_Windows & m_windows;
	UI::Callback_Button<GameOptionsMenu> readme;
	UI::Callback_Button<GameOptionsMenu> license;
	UI::Callback_Button<GameOptionsMenu> authors;
	UI::Callback_Button<GameOptionsMenu> sound;
	UI::Callback_Button<GameOptionsMenu> save_game;
	UI::Callback_Button<GameOptionsMenu> exit_game;

	/** Returns the horizontal/vertical spacing between buttons. */
	uint32_t hspacing() const {return 5;};
	uint32_t vspacing() const {return 5;};

	/** Returns the horizontal/vertical margin between edge and buttons. */
	uint32_t hmargin() const {return 2 * hspacing();}
	uint32_t vmargin() const {return 2 * vspacing();}
	uint32_t vgap()    const {return 8;}

	/** Returns the width of a button in a row with nr_buttons buttons. */
	uint32_t buttonw(const uint32_t nr_buttons) const {
		return
			static_cast<uint32_t>
			((get_inner_w() * 1.45 - (nr_buttons + 3) * hspacing()) / nr_buttons);
	}

	/// Returns the x coordinate of the (left edge of) button number nr in a row
	/// with nr_buttons buttons.
	uint32_t posx(uint32_t const nr, uint32_t const nr_buttons) const {
		return hmargin() + nr * (buttonw(nr_buttons) + hspacing());
	}

	void clicked_readme   ();
	void clicked_license  ();
	void clicked_authors  ();
	void clicked_sound    ();
	void clicked_save_game();
	void clicked_exit_game();
};

#endif
