def onMouseClick(self, event):
if event.button() == Qt.RightButton:
if not self._started:
self._surface.cancelTool()
return
self._started = False
self._track = None
self._invalidate()
self._nodes = self._recalcPath()
self._invalidate()
return
if self._surface.position() == self._lastPoint:
return
if event.button() == Qt.LeftButton:
if not self._started:
self._started = True
else:
if not self._track:
self._track = Track(QPointF(0, 0), self._nodes,
self._width,
self._surface.currentLayer())
self._surface.addItem(self._track)
else:
self._track.addNodes(self._nodes)
self._lastPoint = self._surface.position()
self._recalcPath()
