agent_ui: Fix expanded message editor jitters while typing#52612
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MrSubidubi merged 4 commits intozed-industries:mainfrom Mar 30, 2026
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Seems already fixed in #52545, but this is still meaningful in fixing the jittering in expanded mode, but I will need to reformulate this PR. |
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Re-scoped the PR. |
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MrSubidubi
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Nice find and fix, thanks for this and adding a test upfront!
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Self-Review Checklist:
Closes #52132.
This PR previously also fixes the "expanded message editor not taking up full height" part, but #52545 has already fixed that. Yet it seems to leave a new issue (that was previously not revealed) behind, as follows.
This PR fixes the
Full + ExcludeOverscrollMargineditor mode (which the agent panel message editor uses in expanded mode), which could jitter while typing because render-time layout and scroll-position updates were clamping against different effectivescroll_beyond_last_linepolicies. This PR fixes that inconsistency so the expanded editor stays stable while typing, and adds a regression test coveringExcludeOverscrollMarginscroll clamping.Old.mp4
New.mp4
Release Notes: