J :

* Make the FULLSCREEN function bindable on platforms that support it.
* Linux has F as default binding.
* Windows support is not implemented, but is there ; applications will
  just not suggest it under windows for the moment.

JGE/include/JGE.h

@@ -46,6 +46,7 @@ void JGECreateDefaultBindings();
 int JGEGetTime();
 u8 JGEGetAnalogX();
 u8 JGEGetAnalogY();
+bool JGEToggleFullscreen();
 
 #if !defined(WIN32) && !defined(LINUX)