3d91988e46 editor: Fix columnar selection coordinates (#63723)
Closes #63712

## Summary

- Use tab-expanded grapheme columns for Add Selection Above/Below when
`skip_soft_wrap` is enabled, rather than UTF-8 byte offsets or Unicode
scalar counts.
- Keep mouse rectangles pixel-based and preserve logical selection goals
across short rows, direction changes, and selection/text undo and redo.
- Reconcile columnar groups when selections change, while preserving
committed groups during cancellable mouse previews.
- Batch source and destination queries by row and skip fully replaced
input rows without a persistent row cache.
- Handle folds, inlays, and replacement blocks with small map-query
additions, and fix the tab bitmap boundary at a tab size of 128.

## Validation

- Full editor library suite: 1,109 passed, one ignored.
- Editor Clippy and scoped formatting passed.
- Regression checks failed without the corresponding lifecycle and
batching fixes, then passed with them restored.
- The three related sync/history tests were rerun and passed after the
final callback-variable renames.

Release Notes:

- Fixed columnar selections landing in the wrong column around non-ASCII
text, tabs, soft wraps, and collapsed content.

---------

Co-authored-by: Kirill Bulatov <kirill@zed.dev>
Co-authored-by: Kirill Bulatov <mail4score@gmail.com>
2026-09-16 16:40:28 +00:00
2026-08-12 08:35:43 +00:00
2026-01-22 23:57:26 +05:30
2026-08-28 20:04:24 +00:00
2026-09-11 09:13:44 +00:00
2026-09-11 09:13:44 +00:00
2025-02-04 09:02:59 -05:00
2025-10-27 13:27:59 -04:00

Zed

Zed CI

Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.


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