pub trait GestureDragExt: 'static {
    fn offset(&self) -> Option<(f64, f64)>;
    fn start_point(&self) -> Option<(f64, f64)>;
    fn connect_drag_begin<F: Fn(&Self, f64, f64) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId; fn connect_drag_end<F: Fn(&Self, f64, f64) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId; fn connect_drag_update<F: Fn(&Self, f64, f64) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId; }

Required methods

Implementors