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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCONTROLSLUAAS_H
#define ROCKETCONTROLSLUAAS_H
/*
These are helper functions to fill up the Element.As table with types that are able to be casted
*/
#include <Rocket/Core/Lua/LuaType.h>
#include <Rocket/Core/Lua/lua.hpp>
#include <Rocket/Core/Element.h>
namespace Rocket {
namespace Controls {
namespace Lua {
//Helper function for the controls, so that the types don't have to define individual functions themselves
// to fill the Elements.As table
template<typename ToType>
int CastFromElementTo(lua_State* L)
{
Rocket::Core::Element* ele = Rocket::Core::Lua::LuaType<Rocket::Core::Element>::check(L,1);
LUACHECKOBJ(ele);
Rocket::Core::Lua::LuaType<ToType>::push(L,(ToType*)ele,false);
return 1;
}
//Adds to the Element.As table the name of the type, and the function to use to cast
template<typename T>
void AddCastFunctionToElementAsTable(lua_State* L)
{
int top = lua_gettop(L);
lua_getglobal(L,"Element");
lua_getfield(L,-1,"As");
if(!lua_isnoneornil(L,-1))
{
lua_pushcfunction(L,Rocket::Controls::Lua::CastFromElementTo<T>);
lua_setfield(L,-2,Rocket::Core::Lua::GetTClassName<T>());
}
lua_settop(L,top); //pop "As" and "Element"
}
}
}
}
#endif
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