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Fixed a possible race condition with linked views

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This commit is contained in:
Marcel Schumacher 2020-04-14 17:24:54 +02:00
parent a2053b13d0
commit a697b5584a
1 changed files with 11 additions and 8 deletions
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19
pyqtgraph/graphicsItems/AxisItem.py
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@ -1098,23 +1098,26 @@ class AxisItem(GraphicsWidget):
self._updateHeight() self._updateHeight()
def wheelEvent(self, ev): def wheelEvent(self, ev):
if self.linkedView() is None: lv = self.linkedView()
if lv is None:
return return
if self.orientation in ['left', 'right']: if self.orientation in ['left', 'right']:
self.linkedView().wheelEvent(ev, axis=1) lv.wheelEvent(ev, axis=1)
else: else:
self.linkedView().wheelEvent(ev, axis=0) lv.wheelEvent(ev, axis=0)
ev.accept() ev.accept()
def mouseDragEvent(self, event): def mouseDragEvent(self, event):
if self.linkedView() is None: lv = self.linkedView()
if lv is None:
return return
if self.orientation in ['left', 'right']: if self.orientation in ['left', 'right']:
return self.linkedView().mouseDragEvent(event, axis=1) return lv.mouseDragEvent(event, axis=1)
else: else:
return self.linkedView().mouseDragEvent(event, axis=0) return lv.mouseDragEvent(event, axis=0)
def mouseClickEvent(self, event): def mouseClickEvent(self, event):
if self.linkedView() is None: lv = self.linkedView()
if lv is None:
return return
return self.linkedView().mouseClickEvent(event) return lv.mouseClickEvent(event)