#define GLUT_KEY_CTRL_R 0x0073
#define GLUT_KEY_ALT_L 0x0074
#define GLUT_KEY_ALT_R 0x0075
+#define GLUT_KEY_SUPER_L 0x0076
+#define GLUT_KEY_SUPER_R 0x0077
+
+/*
+ * Additional GLUT modifiers
+ */
+#define GLUT_ACTIVE_SUPER 0x0008
/*
* GLUT API Extension macro definitions -- behaviour when the user clicks on an "x" to close a window