Finally abstracted constants properly. Changed how the event module works; wasn't really abstract before. Removed libs we're not going to use: native, signal.

src/modules/mouse/sdl/Mouse.cpp

@@ -48,9 +48,9 @@ namespace sdl
 		return y;
 	}
 
-	void Mouse::getPosition(int * x, int * y) const
+	void Mouse::getPosition(int & x, int & y) const
 	{
-		SDL_GetMouseState(x, y);
+		SDL_GetMouseState(&x, &y);
 	}
 
 	void Mouse::setPosition(int x, int y)
@@ -63,9 +63,14 @@ namespace sdl
 		SDL_ShowCursor(visible ? SDL_ENABLE : SDL_DISABLE);
 	}
 
-	bool Mouse::isDown(int button) const
+	bool Mouse::isDown(Button button) const
 	{
-		return (SDL_GetMouseState(0, 0) & SDL_BUTTON(button)) != 0;
+		unsigned b = 0;
+
+		if(!buttons.find(button, b))
+			return false;
+
+		return (SDL_GetMouseState(0, 0) & SDL_BUTTON(b)) != 0;
 	}
 
 	bool Mouse::isVisible() const
@@ -83,6 +88,19 @@ namespace sdl
 		return (SDL_WM_GrabInput(SDL_GRAB_QUERY) ==  SDL_GRAB_ON ? true : false);
 	}
 
+	EnumMap<Mouse::Button, unsigned, Mouse::BUTTON_MAX_ENUM>::Entry Mouse::buttonEntries[] = 
+	{
+		{ Mouse::BUTTON_LEFT, SDL_BUTTON_LEFT},
+		{ Mouse::BUTTON_MIDDLE, SDL_BUTTON_MIDDLE},
+		{ Mouse::BUTTON_RIGHT, SDL_BUTTON_RIGHT},
+		{ Mouse::BUTTON_WHEELUP, SDL_BUTTON_WHEELUP},
+		{ Mouse::BUTTON_WHEELDOWN, SDL_BUTTON_WHEELDOWN},
+		{ Mouse::BUTTON_X1, SDL_BUTTON_X1},
+		{ Mouse::BUTTON_X2, SDL_BUTTON_X2},
+	};
+
+	EnumMap<Mouse::Button, unsigned, Mouse::BUTTON_MAX_ENUM> Mouse::buttons(Mouse::buttonEntries, sizeof(Mouse::buttonEntries));
+
 } // sdl
 } // mouse
 } // love

src/modules/mouse/sdl/Mouse.h

@@ -23,6 +23,7 @@
 
 // LOVE
 #include <mouse/Mouse.h>
+#include <common/EnumMap.h>
 
 namespace love
 {
@@ -39,14 +40,19 @@ namespace sdl
 		
 		int getX() const;
 		int getY() const;
-		void getPosition(int * x, int * y) const;
+		void getPosition(int & x, int & y) const;
 		void setPosition(int x, int y);
 		void setVisible(bool visible);
-		bool isDown(int button) const;
+		bool isDown(Button button) const;
 		bool isVisible() const;
 		void setGrab(bool grab);
 		bool isGrabbed() const;
 
+	public:
+
+		static EnumMap<Button, unsigned, BUTTON_MAX_ENUM>::Entry buttonEntries[];
+		static EnumMap<Button, unsigned, BUTTON_MAX_ENUM> buttons;
+
 	}; // Mouse
 
 } // sdl

src/modules/mouse/sdl/wrap_Mouse.cpp

@@ -25,7 +25,7 @@ namespace love
 namespace mouse
 {
 namespace sdl
-{
+{
 	static Mouse * instance = 0;
 
 	int w_getX(lua_State * L)
@@ -43,7 +43,7 @@ namespace sdl
 	int w_getPosition(lua_State * L)
 	{
 		int x, y;
-		instance->getPosition(&x, &y);
+		instance->getPosition(x, y);
 		lua_pushinteger(L, x);
 		lua_pushinteger(L, y);
 		return 2;
@@ -59,8 +59,13 @@ namespace sdl
 
 	int w_isDown(lua_State * L)
 	{
-		int b = luaL_checkint(L, 1);
-		luax_pushboolean(L, instance->isDown(b));
+		Mouse::Button button;
+
+		if(!Mouse::getConstant(luaL_checkstring(L, 1), button))
+			luax_pushboolean(L, false);
+		else
+			luax_pushboolean(L, instance->isDown(button));
+
 		return 1;
 	}
 
@@ -104,17 +109,6 @@ namespace sdl
 		{ 0, 0 }
 	};
 
-	// List of constants.
-	static const Constant constants[] = {
-		{ "mouse_left", Mouse::MOUSE_LEFT },
-		{ "mouse_middle", Mouse::MOUSE_MIDDLE },
-		{ "mouse_right", Mouse::MOUSE_RIGHT },
-		{ "mouse_wheelup", Mouse::MOUSE_WHEELUP },
-		{ "mouse_wheeldown", Mouse::MOUSE_WHEELDOWN },
-		{ 0, 0 }
-	};
-
-
 	int luaopen_love_mouse(lua_State * L)
 	{
 		if(instance == 0)
@@ -135,7 +129,6 @@ namespace sdl
 		w.flags = MODULE_T;
 		w.functions = functions;
 		w.types = 0;
-		w.constants = constants;
 
 		return luax_register_module(L, w);
 	}