Search touch for a double tap
Bases: object
InputPostProcDoubleTap is a post-processor to check if a touch is a double tap or not. Double tap can be configured in the Kivy config file
[postproc]
double_tap_time = 250
double_tap_distance = 20
Distance parameter is in 0-1000, and time is in millisecond.
Find a double tap touch within self.touches. The touch must be not a previous double tap, and the distance must be ok