Writing Flow: Fix format toolbar not appearing when selecting text from block edge#77136
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Writing Flow: Fix format toolbar not appearing when selecting text from block edge#77136
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When using the Top Toolbar setting, highlighting text starting from the left edge of a paragraph (on the block wrapper padding) did not show Bold/Italic formatting options. This happened because the RichText element never received focus when the drag started outside its contentEditable boundary, so its selection handlers never fired and the store was missing the attributeKey needed for isSelected. Update useSelectionObserver to detect non-collapsed selections within a RichText element that doesn't have focus, and dispatch a full selectionChange with the proper attributeKey and offsets. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
tyxla
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[Type] Bug
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…edge Verifies that Bold and other formatting options appear in the Top Toolbar when the user starts a text selection from just outside the contentEditable boundary (the block wrapper padding) and drags into the paragraph text. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Flaky tests detected in 54f148e. 🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/24129088666
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Mamaduka
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Apr 8, 2026
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Mamaduka
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Could be a regression after refactoring in #47525.
- All these nested conditions are becoming hard to follow; maybe we could simplify them if possible.
- The fix resembles logic in the next block-scope. Do we need a reusable abstraction?
| editor, | ||
| page, | ||
| } ) => { | ||
| await editor.setIsFixedToolbar( true ); |
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Does this only happen with a fixed toolbar, or are we just trying to match the issue report?
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What?
This PR fixes format toolbar not appearing when selecting text from either of the block edges.
Why?
Highlighting text starting from the left edge of a paragraph (on the block wrapper padding) did not show the formatting options in the top toolbar. This happened because the
RichTextelement never received focus when the drag started outside itscontentEditableboundary, so its selection handlers never fired.Fixes #77133.
How?
This PR updates
useSelectionObserverto detect non-collapsed selections within an unfocusedRichTextand dispatch a fullselectionChange.Testing Instructions
Testing Instructions for Keyboard
Same
Screenshots or screencast
Before:
Screen.Recording.2026-04-08.at.12.22.36.mov
After:
Screen.Recording.2026-04-08.at.12.38.56.mov
Use of AI Tools
I used Claude Code with Opus 4.6 and verified the changes manually.