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/JTypes.h

@@ -227,6 +227,7 @@ typedef enum Buttons
     JGE_BTN_SEC,    // Cross or Circle (secondary)
     JGE_BTN_PREV,   // Left trigger
     JGE_BTN_NEXT,    // Right trigger
+    JGE_BTN_FULLSCREEN,    // Switch to fullscreen (obviously, PC only)
 
     JGE_BTN_MAX = JGE_BTN_NEXT + 1
   } JButton;