The LayerLink of start selection handle.
RenderEditable is responsible for calculating the Offset of this LayerLink, which will be used as CompositedTransformTarget of start handle.
Implementation
LayerLink get startHandleLayerLink => _startHandleLayerLink;
Implementation
set startHandleLayerLink(LayerLink value) {
if (_startHandleLayerLink == value) {
return;
}
_startHandleLayerLink = value;
markNeedsPaint();
}