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Fix RangeSlider.set_val when outside existing value #25340

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merged 1 commit into from
Feb 28, 2023

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@QuLogic QuLogic commented Feb 28, 2023

PR Summary

The clipping in the setter ensures that min <= max, but if you are setting both values outside the existing range, this will incorrectly set new minimum to old maximum and vice versa.

The tests also passed accidentally because all the new ranges overlapped with the old, and did not trigger this issue.

Fixes #25338

PR Checklist

Documentation and Tests

  • Has pytest style unit tests (and pytest passes)
  • [n/a] Documentation is sphinx and numpydoc compliant (the docs should build without error).
  • [n/a] New plotting related features are documented with examples.

Release Notes

  • [n/a] New features are marked with a .. versionadded:: directive in the docstring and documented in doc/users/next_whats_new/
  • [n/a] API changes are marked with a .. versionchanged:: directive in the docstring and documented in doc/api/next_api_changes/
  • [n/a] Release notes conform with instructions in next_whats_new/README.rst or next_api_changes/README.rst

The clipping in the setter ensures that min <= max, but if you are
setting both values outside the existing range, this will incorrectly
set new minimum to old maximum and vice versa.

The tests also passed accidentally because all the new ranges overlapped
with the old, and did not trigger this issue.

Fixes matplotlib#25338
@QuLogic QuLogic added this to the v3.7.1 milestone Feb 28, 2023
@oscargus oscargus merged commit fbe7a44 into matplotlib:main Feb 28, 2023
meeseeksmachine pushed a commit to meeseeksmachine/matplotlib that referenced this pull request Feb 28, 2023
oscargus added a commit that referenced this pull request Feb 28, 2023
…340-on-v3.7.x

Backport PR #25340 on branch v3.7.x (Fix RangeSlider.set_val when outside existing value)
@QuLogic QuLogic deleted the rangeslider-set-clip branch February 28, 2023 20:30
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[Bug]: set_val of rangeslider sets incorrect value
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