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/*
   client/key.h
   This file is part of the Osirion project and is distributed under
   the terms and conditions of the GNU General Public License version 2
*/

#ifndef __INCLUDED_CLIENT_KEY_H__
#define __INCLUDED_CLIENT_KEY_H__

#include "SDL/SDL.h"

#include <string>

#include "client/action.h"

namespace client
{

/**
 * @brief a key on the keyboard
 * a Key instance can contain any kind of 'key' like a keyboard key,
 * a mouse button, or a joystick button. Any key can be bound to
 * a command string or an action.
 * @see Action
 * @see Keyboard
 */
class Key
{
public:
	/// define a new key
	Key(const char *name, int keysym, char ascii = 0);
	~Key();

	/// key modifiers
	enum Modifier { None = 0, Shift = KMOD_LSHIFT + KMOD_RSHIFT, Ctrl = KMOD_LCTRL + KMOD_RCTRL, Alt = KMOD_LALT + KMOD_RALT };

	/// clear all binds
	void clear();

	/// set the bind for a specific modifier
	void assign(Modifier mod, const char *bind, Action *action = 0);

	/// clear the bind for a specific modifier
	void clear(Modifier mod);

	/// return the bind for a specific modifier
	std::string const & bind(Modifier mod) const;

	/// return the action this key is bound to, 0 if unbound
	inline Action *action() const {
		return key_action;
	}

	/// first time the key was pressed since previous release
	inline float pressed() const {
		return key_pressed;
	}

	/// last time the key was pressed (includes repeats)
	inline float lastpressed() const {
		return key_lastpressed;
	}

	/// time the key was pressed when it is released
	inline float waspressed() const {
		return key_waspressed;
	}

	inline std::string const & name() const {
		return key_name;
	}

	inline char ascii() const {
		return key_ascii;
	}

	inline int sym() const {
		return key_sym;
	}

	float			key_pressed;
	float			key_lastpressed;
	float			key_waspressed;

private:
	std::string		key_name;
	int			key_sym;
	char			key_ascii;
	
	Action 			*key_action;

	std::string		key_bind;
	std::string		key_bind_shift;
	std::string		key_bind_ctrl;
	std::string		key_bind_alt;
};

} // namespace client

#endif // __INCLUDED_CLIENT_KEY_H__