Fix textbox cursor color, set its linewidth. #19903
Merged
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The cursor used to be black but the default of vlines color now matches
rcParams["lines.color"]
(blue) (#16953), so change that back to black. Settingthe linewidth to 1 also looks a bit nicer (than the thicker default
linewidth).
before:


after:
(Technically changing the color is a bugfix and whereas the linewidth is a new "feature", but splitting this into two PRs seems overkill. Also there's no tests whatsoever for TextBox right now...)
PR Summary
PR Checklist
pytest
passes).flake8
on changed files to check).flake8-docstrings
and runflake8 --docstring-convention=all
).doc/users/next_whats_new/
(follow instructions in README.rst there).doc/api/next_api_changes/
(follow instructions in README.rst there).