handlePointerDown method
Implementation
void handlePointerDown(PointerDownEvent details) {
if (options.disabled) return;
if (!_checkPointerPremiss(details)) {
return;
}
_longPressTriggered = false;
_updateTouchState(true);
_pointerDownPosition = details.position;
if (_longPressHandler != null) {
_longPressTimer = Timer(
Duration(milliseconds: options.longPressTimeout), _handleLongPress);
}
}