Method SDL.grab_input()
- Method
grab_input
 intgrab_input(intmode)- Description
 Sets or queries the current 'grab' mode.
Grabbing input means asking that all mouse activity be confined to this application window and that nearly all keyboard events are passed directly to the application, bypassing the window manager.
- Parameter 
mode One of the following constants:
SDL.GRAB_ONSDL.GRAB_OFFSDL.GRAB_QUERY
- Returns
 The current grab mode, either
SDL.GRAB_ONorSDL.GRAB_OFF.