Returns the current value for the requested axis.
This function must be called from the handler of one of the gtk.gesture_stylus.GestureStylus.down, gtk.gesture_stylus.GestureStylus.motion, gtk.gesture_stylus.GestureStylus.up or gtk.gesture_stylus.GestureStylus.proximity signals.
requested device axis
return location for the axis value
true if there is a current value for the axis
Returns the current value for the requested axis.
This function must be called from the handler of one of the gtk.gesture_stylus.GestureStylus.down, gtk.gesture_stylus.GestureStylus.motion, gtk.gesture_stylus.GestureStylus.up or gtk.gesture_stylus.GestureStylus.proximity signals.