PointerChange enum Null safety
How the pointer has changed since the last report.
Constructors
- PointerChange()
-
const
Values
- cancel → const PointerChange
-
The input from the pointer is no longer directed towards this receiver.
PointerChange() - add → const PointerChange
-
The device has started tracking the pointer.
For example, the pointer might be hovering above the device, having not yet made contact with the surface of the device.
PointerChange() - remove → const PointerChange
-
The device is no longer tracking the pointer.
For example, the pointer might have drifted out of the device's hover detection range or might have been disconnected from the system entirely.
PointerChange() - hover → const PointerChange
-
The pointer has moved with respect to the device while not in contact with the device.
PointerChange() - down → const PointerChange
-
The pointer has made contact with the device.
PointerChange() - move → const PointerChange
-
The pointer has moved with respect to the device while in contact with the device.
PointerChange() - up → const PointerChange
-
The pointer has stopped making contact with the device.
PointerChange() - panZoomStart → const PointerChange
-
A pan/zoom has started on this pointer.
This type of event will always have kind PointerDeviceKind.trackpad.
PointerChange() - panZoomUpdate → const PointerChange
-
The pan/zoom on this pointer has updated.
This type of event will always have kind PointerDeviceKind.trackpad.
PointerChange() - panZoomEnd → const PointerChange
-
The pan/zoom on this pointer has ended.
This type of event will always have kind PointerDeviceKind.trackpad.
PointerChange()
Properties
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
-
values
→ const List<
PointerChange> -
A constant List of the values in this enum, in order of their declaration.
[cancel, add, remove, hover, down, move, up, panZoomStart, panZoomUpdate, panZoomEnd]