handlePanStart method

void handlePanStart(DragStartDetails details)

Is called when the start of a pan gesture is detected.

See also:

• GestureDetector.onPanStart, which this method is passed to

Implementation

void handlePanStart(DragStartDetails details) {
  _startPosition = _getOffset(details.globalPosition);
  value = PanState(isPanning: true);
}