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