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Title: [3.14] gh-153716: Harden ttk/tkinter GUI tests against display scaling (GH-153717) by miss-islington · Pull Request #153738 · python/cpython · GitHub

Open Graph Title: [3.14] gh-153716: Harden ttk/tkinter GUI tests against display scaling (GH-153717) by miss-islington · Pull Request #153738 · python/cpython

X Title: [3.14] gh-153716: Harden ttk/tkinter GUI tests against display scaling (GH-153717) by miss-islington · Pull Request #153738 · python/cpython

Description: Compute probe coordinates from each widget's own realized geometry instead of hardcoding pixels such as (5, 5) or width - 5, which land on a different element, or miss it entirely, at a high display scaling. (cherry picked from commit 87411d0) Co-authored-by: Serhiy Storchaka storchaka@gmail.com Co-Authored-By: Claude Opus 4.8 (1M context) noreply@anthropic.com Issue: gh-153716

Open Graph Description: Compute probe coordinates from each widget's own realized geometry instead of hardcoding pixels such as (5, 5) or width - 5, which land on a different element, or miss it entirely, at a high di...

X Description: Compute probe coordinates from each widget's own realized geometry instead of hardcoding pixels such as (5, 5) or width - 5, which land on a different element, or miss it entirely, at a hig...

Opengraph URL: https://github.com/python/cpython/pull/153738

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149bd6e gh-153716: Harden ttk/tkinter GUI tests against display scaling (GH-1… serhiy-storchaka Jul 15, 2026 https://github.com/python/cpython/pull/153738/commits/149bd6e4b3cc91205f297213181b661a8207abf4
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