def canvasReleaseEvent(self, event):
point = event.pos() - self.dragStart
if not self.selectionActive or (point.manhattanLength() < QApplication.startDragDistance()):
self.selectionActive = False
self.selectFeatures(QgsGeometry.fromPointXY(self.toMapCoordinates(event.pos())), event.modifiers())
if self.rubberBand is not None and self.selectionActive:
self.selectFeatures(self.rubberBand.asGeometry(), event.modifiers())
self.rubberBand.reset()
self.selectionActive = False
self.featuresSelected.emit()
