Constant PAN_SLOP
pub const PAN_SLOP: f64 = 4.0; // 4f64Expand description
A drag shorter than this (screen px) is a click, not a pan — lets a host distinguish a selection tap from a drag-to-pan gesture.
pub const PAN_SLOP: f64 = 4.0; // 4f64A drag shorter than this (screen px) is a click, not a pan — lets a host distinguish a selection tap from a drag-to-pan gesture.