def canvasReleaseEvent(self, e):
super(MapToolInteractive, self).canvasReleaseEvent(e)
e.ignore()
if (e.button() == Qt.LeftButton):
if self._dragging:
# Pan map mode
self.canvas().panActionEnd(e.pos())
self.setCursor(CapturePointCursor)
self._dragging = False
e.accept()
elif (e.button() == Qt.RightButton):
if self._dragging:
# Zoom mode
self._zoomRect.setBottomRight(e.pos())
if (self._zoomRect.topLeft() != self._zoomRect.bottomRight()):
coordinateTransform = self.canvas().getCoordinateTransform(
)
ll = coordinateTransform.toMapCoordinates(
self._zoomRect.left(), self._zoomRect.bottom())
ur = coordinateTransform.toMapCoordinates(
self._zoomRect.right(), self._zoomRect.top())
r = QgsRectangle()
r.setXMinimum(ll.x())
r.setYMinimum(ll.y())
r.setXMaximum(ur.x())
r.setYMaximum(ur.y())
r.normalize()
if (r.width() != 0 and r.height() != 0):
self.canvas().setExtent(r)
self.canvas().refresh()
self._dragging = False
if (self._zoomRubberBand is not None):
self.canvas().scene().removeItem(self._zoomRubberBand)
self._zoomRubberBand = None
e.accept()
