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Fix blitting selector #20264

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Merged
merged 2 commits into from
May 20, 2021
Merged

Fix blitting selector #20264

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94a2f46
Fix draw recursive loop when resizing figure containing Selector usin…
ericpre May 19, 2021
031f77c
Fix background when using Selector, blitting and the background hasn'…
ericpre May 19, 2021
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5 changes: 4 additions & 1 deletion lib/matplotlib/widgets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1737,7 +1737,8 @@ def update_background(self, event):
self.canvas.draw()
self.background = self.canvas.copy_from_bbox(self.ax.bbox)
if needs_redraw:
self.update()
for artist in self.artists:
self.ax.draw_artist(artist)

def connect_default_events(self):
"""Connect the major canvas events to methods."""
Expand Down Expand Up @@ -1781,6 +1782,8 @@ def update(self):
if self.useblit:
if self.background is not None:
self.canvas.restore_region(self.background)
else:
self.update_background(None)
for artist in self.artists:
self.ax.draw_artist(artist)
self.canvas.blit(self.ax.bbox)
Expand Down