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Rework diff rendering to allow putting the cursor into deleted text, soft-wrapping and scrolling deleted text correctly (#22994)

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Closes #12553

* [x] Fix `diff_hunk_before`
* [x] Fix failure to show deleted text when expanding hunk w/ cursor on
second line of the hunk
* [x] Failure to expand diff hunk below the cursor.
* [x] Delete the whole file, and expand the diff. Backspace over the
deleted hunk, panic!
* [x] Go-to-line now counts the diff hunks, but it should not
* [x] backspace at the beginning of a deleted hunk deletes too much text
* [x] Indent guides are rendered incorrectly 
* [ ] Fix randomized multi buffer tests

Maybe:
* [ ] Buffer search should include deleted text (in vim mode it turns
out I use `/x` all the time to jump to the next x I can see).
* [ ] vim: should refuse to switch into insert mode if selection is
fully within a diff.
* [ ] vim `o` command when cursor is on last line of deleted hunk.
* [ ] vim `shift-o` on first line of deleted hunk moves cursor but
doesn't insert line
* [x] `enter` at end of diff hunk inserts a new line but doesn't move
cursor
* [x] (`shift-enter` at start of diff hunk does nothing)
* [ ] Inserting a line just before an expanded hunk collapses it

Release Notes:


- Improved diff rendering, allowing you to navigate with your cursor
inside of deleted text in diff hunks.

---------

Co-authored-by: Conrad <conrad@zed.dev>
Co-authored-by: Cole <cole@zed.dev>
Co-authored-by: Mikayla <mikayla@zed.dev>
Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>
Co-authored-by: Michael <michael@zed.dev>
Co-authored-by: Agus <agus@zed.dev>
Co-authored-by: João <joao@zed.dev>
This commit is contained in:
Max Brunsfeld 2025-01-24 13:18:22 -08:00 • committed by GitHub
parent 1fdae4bae0
commit d2c55cbe3d
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64 changed files with 7653 additions and 5495 deletions
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10
crates/file_finder/src/file_finder.rs
View file

@ -9,7 +9,7 @@ use futures::future::join_all;
pub use open_path_prompt::OpenPathDelegate;
use collections::HashMap;
use editor::{scroll::Autoscroll, Bias, Editor};
use editor::Editor;
use file_finder_settings::{FileFinderSettings, FileFinderWidth};
use file_icons::FileIcons;
use fuzzy::{CharBag, PathMatch, PathMatchCandidate};
@ -1162,13 +1162,7 @@ impl PickerDelegate for FileFinderDelegate {
active_editor
.downgrade()
.update(&mut cx, |editor, cx| {
let snapshot = editor.snapshot(cx).display_snapshot;
let point = snapshot
.buffer_snapshot
.clip_point(Point::new(row, col), Bias::Left);
editor.change_selections(Some(Autoscroll::center()), cx, |s| {
s.select_ranges([point..point])
});
editor.go_to_singleton_buffer_point(Point::new(row, col), cx);
})
.log_err();
}