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Merge pull request #150 from lidstrom83/ViewBox_panning_fix

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Speed up ViewBox panning
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Ogi Moore 2020-06-11 22:33:49 -07:00 committed by GitHub
commit 4b484ae46d
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1 changed files with 4 additions and 2 deletions
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pyqtgraph/graphicsItems/ViewBox/ViewBox.py
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@ -1280,8 +1280,10 @@ class ViewBox(GraphicsWidget):
## update shape of scale box ## update shape of scale box
self.updateScaleBox(ev.buttonDownPos(), ev.pos()) self.updateScaleBox(ev.buttonDownPos(), ev.pos())
else: else:
tr = dif*mask tr = self.childGroup.transform()
tr = self.mapToView(tr) - self.mapToView(Point(0,0)) tr = fn.invertQTransform(tr)
tr = tr.map(dif*mask) - tr.map(Point(0,0))
x = tr.x() if mask[0] == 1 else None x = tr.x() if mask[0] == 1 else None
y = tr.y() if mask[1] == 1 else None y = tr.y() if mask[1] == 1 else None