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Dynamically override .boundingRect() after startup

basic_alerts
Tyler Goodlet 2021-01-01 13:23:05 -05:00
parent e474d8c309
commit 80d48e5ece
1 changed files with 12 additions and 0 deletions
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12
piker/ui/_graphics/_curve.py
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@ -123,6 +123,18 @@ class FastAppendCurve(pg.PlotCurveItem):
self.setCacheMode(QtGui.QGraphicsItem.DeviceCoordinateCache) self.setCacheMode(QtGui.QGraphicsItem.DeviceCoordinateCache)
def boundingRect(self): def boundingRect(self):
if self.path is None:
return QtGui.QPainterPath().boundingRect()
else:
# dynamically override this method after initial
# path is created to avoid requiring the above None check
self.boundingRect = self._br
return self._br()
def _br(self):
"""Post init ``.boundingRect()```.
"""
hb = self.path.controlPointRect() hb = self.path.controlPointRect()
hb_size = hb.size() hb_size = hb.size()
# print(f'hb_size: {hb_size}') # print(f'hb_size: {hb_size}')