Fix issue 161 (Linux: The window "resists" resizing)

Fix issue 159 (Mouse sensitivy in fullscreen mode) by implementing user-defined mouse sensitivity in Settings screen, only affects fullscreen mode.
Fix: When changing pixel size, sometimes there were some remaining "dirty lines" at the right edge of screen/window.


git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@819 416bcca6-2ee7-4201-b75f-2eb2f807beb1

input.h

@@ -35,3 +35,8 @@ int  Get_input(void);
 
 /// Returns true if the keycode has been set as a keyboard shortcut for the function.
 int Is_shortcut(word Key, word function);
+
+/// Adjust mouse sensitivity (and actual mouse input mode)
+void Adjust_mouse_sensitivity(word fullscreen);
+
+void Set_mouse_position(void);