def mouseReleaseEvent(self, event):
QGraphicsView.mouseReleaseEvent(self, event)
if event.button() != Qt.LeftButton:
return
_start_pos = self.plotItem.items[0].mapFromScene(
self._start_pos)
_end_pos = self.plotItem.items[0].mapFromScene(event.pos())
sx, sy = _start_pos.x(), _start_pos.y()
ex, ey = _end_pos.x(), _end_pos.y()
if sx > ex: sx, ex = ex, sx
if sy < ey: sy, ey = ey, sy
data = self.scatter.data
selected_indices = ((sx <= data['x']) & (data['x'] <= ex) &
(ey <= data['y']) &
(data['y'] <= sy)).nonzero()[0]
self._selection.extend(selected_indices)
data['pen'][selected_indices] = self.SELECTED_PEN
self.scatter.points()
for item in data['item'][selected_indices]:
item.updateItem()
print(data['data'][selected_indices])
def mouseReleaseEvent(self, event):
if event.button() & Qt.LeftButton:
self.__stopAutoScroll()
return QGraphicsView.mouseReleaseEvent(self, event)
def mouseReleaseEvent(self, event):
if event.button() & Qt.LeftButton:
self.__stopAutoScroll()
return QGraphicsView.mouseReleaseEvent(self, event)
