Om Chillure a15591aff1 git_ui: Fix multibuffer coordinate conversion in clipboard diff (#51985)
## Context

Fixes the visual selection update in `TextDiffView::open` to properly
convert between buffer-local and multibuffer coordinates using
`buffer_point_to_anchor`. Previously, raw multibuffer Points were used
directly for line expansion, which produced incorrect regions when
expanded deleted diff hunks shifted multibuffer row numbers.

This provides a single unified code path for both singleton and
non-singleton multibuffers, as suggested in [#51457 review
feedback](https://github.com/zed-industries/zed/pull/51457#issuecomment-4091134303).

Follow-up to #51457.

## How to Review

Small PR - all changes are in `crates/git_ui/src/text_diff_view.rs`.
Focus on:

- `open()`: The visual selection update block now uses
`buffer_point_to_anchor` + `to_point` instead of raw multibuffer
coordinate math
- No more assumption that multibuffer Points == buffer-local Points
- Existing tests validate both singleton and non-singleton multibuffer
paths

## Self-Review Checklist
- [x] I've reviewed my own diff for quality, security, and reliability
- [x] The content is consistent with the UI/UX checklist
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

Release Notes:

- Fixed incorrect diff region when using "Diff Clipboard with Selection"
with expanded diff hunks in the editor.
2026-03-20 07:30:58 +00:00
2026-01-22 23:57:26 +05:30
WIP
2023-12-14 09:25:14 -07:00
2024-09-30 17:46:21 -04:00
2026-02-03 20:31:02 -07:00
2025-02-04 09:02:59 -05:00
2025-02-04 09:02:59 -05:00
2026-01-06 12:49:51 -08:00
2025-10-27 13:27:59 -04:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00
2026-02-26 18:36:50 +01:00

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