some more doxygen

include/ginput/dial.h

@@ -23,6 +23,13 @@
  *
  * @defgroup Dial
  * @ingroup GINPUT
+ *
+ * @details	A dial provides a powerful way to navigate through menus
+ *			on a display. 
+ *
+ * @pre		GFX_USE_GINPUT must be set to TRUE in your gfxconf.h
+ * @pre		GINPUT_NEED_DIAL must be set to TRUE in your gfxconf.h
+ *
  * @{
  */
 #ifndef _GINPUT_DIAL_H

include/ginput/mouse.h

@@ -23,6 +23,13 @@
  *
  * @defgroup Mouse
  * @ingroup GINPUT
+ *
+ * @details GINPUT allows it to easily interface touchscreens and mices to
+ *			your application.
+ *
+ * @pre		GFX_USE_GINPUT must be set to TRUE in your gfxconf.h
+ * @pre		GINPUT_NEED_MOUSE must be set to TRUE in your gfxconf.h
+ * 
  * @{
  */
 #ifndef _GINPUT_MOUSE_H

include/ginput/toggle.h

@@ -23,8 +23,16 @@
  *
  * @defgroup Toggle
  * @ingroup GINPUT
+ *
+ * @details	GINPUT allows it to interface toggle buttons easily to your
+ *			application.
+ *
+ * @pre		GFX_USE_GINPUT must be set to TRUE in your gfxconf.h
+ * @pre		GINPUT_NEED_TOGGLE must be set to TRUE in your gfxconf.h
+ *
  * @{
  */
+
 #ifndef _GINPUT_TOGGLE_H
 #define _GINPUT_TOGGLE_H