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love-canvas_getPixel / src / modules / event / Event.h

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/**
 * Copyright (c) 2006-2012 LOVE Development Team
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 **/

#ifndef LOVE_EVENT_EVENT_H
#define LOVE_EVENT_EVENT_H

// LOVE
#include "common/Module.h"
#include "common/StringMap.h"
#include "common/Variant.h"
#include "keyboard/Keyboard.h"
#include "mouse/Mouse.h"
#include "thread/threads.h"

// STL
#include <queue>

namespace love
{
namespace event
{
class Message : public Object
{
private:
	std::string name;
	Variant *args[4];
	int nargs;

public:
	Message(std::string name, Variant *a = NULL, Variant *b = NULL, Variant *c = NULL, Variant *d = NULL);
	~Message();

	int toLua(lua_State *L);
	static Message *fromLua(lua_State *L, int n);
};

class Event : public Module
{
public:
	virtual ~Event();

	void push(Message *msg);
	bool poll(Message *&msg);
	virtual void clear();

	virtual void pump() = 0;

	static bool getConstant(const char *in, love::mouse::Mouse::Button &out);
	static bool getConstant(love::mouse::Mouse::Button in, const char  *&out);
	static bool getConstant(const char *in, love::keyboard::Keyboard::Key &out);
	static bool getConstant(love::keyboard::Keyboard::Key in, const char  *&out);

protected:
	thread::Mutex mutex;
	std::queue<Message *> queue;
	static StringMap<love::mouse::Mouse::Button, love::mouse::Mouse::BUTTON_MAX_ENUM>::Entry buttonEntries[];
	static StringMap<love::mouse::Mouse::Button, love::mouse::Mouse::BUTTON_MAX_ENUM> buttons;
	static StringMap<love::keyboard::Keyboard::Key, love::keyboard::Keyboard::KEY_MAX_ENUM>::Entry keyEntries[];
	static StringMap<love::keyboard::Keyboard::Key, love::keyboard::Keyboard::KEY_MAX_ENUM> keys;

}; // Event

} // event
} // love

#endif // LOVE_EVENT_EVENT_H