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allow webAgg to report middle click events #18172

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Merged
merged 3 commits into from
Aug 5, 2020
Merged

allow webAgg to report middle click events #18172

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846b8ea
allow webAgg to report middle click events
ianhi Aug 4, 2020
d34d0fd
DOC: add api change note
ianhi Aug 4, 2020
ce8d715
correct api note formatting
ianhi Aug 5, 2020
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6 changes: 6 additions & 0 deletions doc/api/next_api_changes/behavior/18172-IHI.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
webAgg backend no longer reports a middle click as a right click
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Previously when using the webAgg backend the event passed to a callback
by ``fig.canvas.mpl_connect('mouse_button_event', callback)`` on a middle click
would report `.MouseButton.RIGHT` instead of `.MouseButton.MIDDLE`
8 changes: 0 additions & 8 deletions lib/matplotlib/backends/backend_webagg_core.py
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Expand Up @@ -260,14 +260,6 @@ def _handle_mouse(self, event):
# off by 1
button = event['button'] + 1

# The right mouse button pops up a context menu, which
# doesn't work very well, so use the middle mouse button
# instead. It doesn't seem that it's possible to disable
# the context menu in recent versions of Chrome. If this
# is resolved, please also adjust the docstring in MouseEvent.
if button == 2:
button = 3

e_type = event['type']
guiEvent = event.get('guiEvent', None)
if e_type == 'button_press':
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