Enum PointerGesture 

pub enum PointerGesture {
    Drag {
        dx: i32,
        dy: i32,
        x0: i32,
        y0: i32,
        series_id: u8,
    },
    Pinch {
        center: (i32, i32),
        dilation: (f32, f32),
        series_id: u8,
    },
}

Pointer gesture.

Pointer gestures are higher level descriptions of the actions performed by pointer devices. These are easier to interpret than the information in a PointerEvent, so the applicaton can implement actions according to pointer gestures.

Variants

Drag

A drag gesture.

Drag gestures are performed by clicking and dragging with a mouse or by dragging one finger on a touchscreen.

Fields

dx: i32

Displacement in the X dimension (in pixels).

dy: i32

Displacement in the Y dimension (in pixels).

x0: i32

X position (in pixels) of the previous pointer location

y0: i32

Y position (in pixels) of the previous pointer location

series_id: u8

ID for the series of gestures.

Gestures that are generated as part of the same action have the same series ID.

Pinch

A pinch gesture.

Pinch gestures are performed by touching two fingers on a touchscreen and moving them closer together or futher apart.

Fields

center: (i32, i32)

Center of the pinch gesture.

The pinch gesture center is the mean point between the locations of the two fingers involved in the pinch.

dilation: (f32, f32)

Dilation factor.

The dilation factor indicates the zoom factor that the relative movement of the fingers has caused.

series_id: u8

ID for the series of gestures.

Gestures that are generated as part of the same action have the same series ID.