From 20364c67bd253b04d2202ef04122afd742821fbb Mon Sep 17 00:00:00 2001
From: rude <none@none>
Date: Wed, 16 Mar 2011 23:23:20 +0100
Subject: [PATCH] Added love.event.clear, because why not. (Issue #202).

---
 src/modules/event/sdl/Event.cpp      | 10 ++++++++++
 src/modules/event/sdl/Event.h        |  5 +++++
 src/modules/event/sdl/wrap_Event.cpp |  7 +++++++
 src/modules/event/sdl/wrap_Event.h   |  1 +
 4 files changed, 23 insertions(+)

diff --git a/src/modules/event/sdl/Event.cpp b/src/modules/event/sdl/Event.cpp
index b5e369abe..32881af3d 100644
--- a/src/modules/event/sdl/Event.cpp
+++ b/src/modules/event/sdl/Event.cpp
@@ -73,6 +73,16 @@ namespace sdl
 		return ok && (SDL_PushEvent(&e) == 0);
 	}
 
+	void Event::clear()
+	{
+		static SDL_Event e;
+
+		while(SDL_PollEvent(&e))
+		{
+			// Do nothing with 'e' ...
+		}
+	}
+
 	bool Event::convert(SDL_Event & e, Message & m)
 	{
 		switch(e.type)
diff --git a/src/modules/event/sdl/Event.h b/src/modules/event/sdl/Event.h
index 1502bc57e..01a91051c 100644
--- a/src/modules/event/sdl/Event.h
+++ b/src/modules/event/sdl/Event.h
@@ -74,6 +74,11 @@ namespace sdl
 		**/
 		bool push(Message & message);
 
+		/**
+		 * Clears the event queue.
+		 */
+		void clear();
+
 	private:
 
 		bool convert(SDL_Event & e, Message & m);
diff --git a/src/modules/event/sdl/wrap_Event.cpp b/src/modules/event/sdl/wrap_Event.cpp
index 77b4e6fe5..b9c494bd4 100644
--- a/src/modules/event/sdl/wrap_Event.cpp
+++ b/src/modules/event/sdl/wrap_Event.cpp
@@ -177,12 +177,19 @@ namespace sdl
 		return 1;
 	}
 
+	int w_clear(lua_State * L)
+	{
+		instance->clear();
+		return 0;
+	}
+
 	// List of functions to wrap.
 	static const luaL_Reg functions[] = {
 		{ "pump", w_pump },
 		{ "poll", w_poll },
 		{ "wait", w_wait },
 		{ "push", w_push },
+		{ "clear", w_clear },
 		{ 0, 0 }
 	};
 
diff --git a/src/modules/event/sdl/wrap_Event.h b/src/modules/event/sdl/wrap_Event.h
index 107a0ace9..d06401edb 100644
--- a/src/modules/event/sdl/wrap_Event.h
+++ b/src/modules/event/sdl/wrap_Event.h
@@ -35,6 +35,7 @@ namespace sdl
 	int w_poll(lua_State * L);
 	int w_wait(lua_State * L);
 	int w_push(lua_State * L);
+	int w_clear(lua_State * L);
 
 	extern "C" LOVE_EXPORT int luaopen_love_event(lua_State * L);