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Fix AxesWidgets on inset_axes that are outside their parent. #29966

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Fix AxesWidgets on inset_axes that are outside their parent. #29966

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43 changes: 23 additions & 20 deletions lib/matplotlib/tests/test_widgets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -623,27 +623,30 @@ def test_rectangle_selector_ignore_outside(ax, ignore_event_outside):
('horizontal', False, dict(interactive=True)),
])
def test_span_selector(ax, orientation, onmove_callback, kwargs):
onselect = mock.Mock(spec=noop, return_value=None)
onmove = mock.Mock(spec=noop, return_value=None)
if onmove_callback:
kwargs['onmove_callback'] = onmove

# While at it, also test that span selectors work in the presence of twin axes on
# top of the axes that contain the selector. Note that we need to unforce the axes
# aspect here, otherwise the twin axes forces the original axes' limits (to respect
# aspect=1) which makes some of the values below go out of bounds.
# Also test that span selectors work in the presence of twin axes or for
# outside-inset axes on top of the axes that contain the selector. Note
# that we need to unforce the axes aspect here, otherwise the twin axes
# forces the original axes' limits (to respect aspect=1) which makes some
# of the values below go out of bounds.
ax.set_aspect("auto")
tax = ax.twinx()

tool = widgets.SpanSelector(ax, onselect, orientation, **kwargs)
do_event(tool, 'press', xdata=100, ydata=100, button=1)
# move outside of axis
do_event(tool, 'onmove', xdata=199, ydata=199, button=1)
do_event(tool, 'release', xdata=250, ydata=250, button=1)

onselect.assert_called_once_with(100, 199)
if onmove_callback:
onmove.assert_called_once_with(100, 199)
ax.twinx()
child = ax.inset_axes([0, 1, 1, .05], xlim=(0, 200), ylim=(0, 200))

for target in [ax, child]:
onselect = mock.Mock(spec=noop, return_value=None)
onmove = mock.Mock(spec=noop, return_value=None)
if onmove_callback:
kwargs['onmove_callback'] = onmove

tool = widgets.SpanSelector(target, onselect, orientation, **kwargs)
do_event(tool, 'press', xdata=100, ydata=100, button=1)
# move outside of axis
do_event(tool, 'onmove', xdata=199, ydata=199, button=1)
do_event(tool, 'release', xdata=250, ydata=250, button=1)

onselect.assert_called_once_with(100, 199)
if onmove_callback:
onmove.assert_called_once_with(100, 199)


@pytest.mark.parametrize('interactive', [True, False])
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