Source

love / src / modules / mouse / wrap_Mouse.cpp

/**
 * Copyright (c) 2006-2013 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.
 **/

#include "common/config.h"

#include "sdl/Mouse.h"

#include "wrap_Mouse.h"

namespace love
{
namespace mouse
{

static Mouse *instance = 0;

int w_getX(lua_State *L)
{
	lua_pushnumber(L, instance->getX());
	return 1;
}

int w_getY(lua_State *L)
{
	lua_pushnumber(L, instance->getY());
	return 1;
}

int w_getPosition(lua_State *L)
{
	int x, y;
	instance->getPosition(x, y);
	lua_pushinteger(L, x);
	lua_pushinteger(L, y);
	return 2;
}

int w_setX(lua_State *L)
{
	int x = luaL_checkint(L, 1);
	instance->setX(x);
	return 0;
}

int w_setY(lua_State *L)
{
	int y = luaL_checkint(L, 1);
	instance->setY(y);
	return 0;
}

int w_setPosition(lua_State *L)
{
	int x = luaL_checkint(L, 1);
	int y = luaL_checkint(L, 2);
	instance->setPosition(x, y);
	return 0;
}

int w_isDown(lua_State *L)
{
	Mouse::Button b;
	unsigned int num = lua_gettop(L);
	Mouse::Button *buttonlist = new Mouse::Button[num+1];
	unsigned int counter = 0;

	for (unsigned int i = 0; i < num; i++)
	{
		if (Mouse::getConstant(luaL_checkstring(L, i+1), b))
			buttonlist[counter++] = b;
	}
	buttonlist[counter] = Mouse::BUTTON_MAX_ENUM;

	luax_pushboolean(L, instance->isDown(buttonlist));
	delete[] buttonlist;
	return 1;
}

int w_setVisible(lua_State *L)
{
	bool b = luax_toboolean(L, 1);
	instance->setVisible(b);
	return 0;
}

int w_isVisible(lua_State *L)
{
	luax_pushboolean(L, instance->isVisible());
	return 1;
}

int w_setGrab(lua_State *L)
{
	bool b = luax_toboolean(L, 1);
	instance->setGrab(b);
	return 0;
}

int w_isGrabbed(lua_State *L)
{
	luax_pushboolean(L, instance->isGrabbed());
	return 1;
}

// List of functions to wrap.
static const luaL_Reg functions[] =
{
	{ "getX", w_getX },
	{ "getY", w_getY },
	{ "setX", w_setX },
	{ "setY", w_setY },
	{ "setPosition", w_setPosition },
	{ "isDown", w_isDown },
	{ "setVisible", w_setVisible },
	{ "isVisible", w_isVisible },
	{ "getPosition", w_getPosition },
	{ "setGrab", w_setGrab },
	{ "isGrabbed", w_isGrabbed },
	{ 0, 0 }
};

extern "C" int luaopen_love_mouse(lua_State *L)
{
	if (instance == 0)
	{
		try
		{
			instance = new love::mouse::sdl::Mouse();
		}
		catch(Exception &e)
		{
			return luaL_error(L, e.what());
		}
	}
	else
		instance->retain();

	WrappedModule w;
	w.module = instance;
	w.name = "mouse";
	w.flags = MODULE_T;
	w.functions = functions;
	w.types = 0;

	return luax_register_module(L, w);
}

} // mouse
} // love
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