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

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
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
64 changed files with 7653 additions and 5495 deletions

View file

@ -494,7 +494,7 @@ pub fn surrounding_html_tag(
let snapshot = &map.buffer_snapshot;
let offset = head.to_offset(map, Bias::Left);
let excerpt = snapshot.excerpt_containing(offset..offset)?;
let mut excerpt = snapshot.excerpt_containing(offset..offset)?;
let buffer = excerpt.buffer();
let offset = excerpt.map_offset_to_buffer(offset);
@ -664,7 +664,7 @@ fn text_object(
let snapshot = &map.buffer_snapshot;
let offset = relative_to.to_offset(map, Bias::Left);
let excerpt = snapshot.excerpt_containing(offset..offset)?;
let mut excerpt = snapshot.excerpt_containing(offset..offset)?;
let buffer = excerpt.buffer();
let offset = excerpt.map_offset_to_buffer(offset);
@ -710,7 +710,7 @@ fn argument(
let offset = relative_to.to_offset(map, Bias::Left);
// The `argument` vim text object uses the syntax tree, so we operate at the buffer level and map back to the display level
let excerpt = snapshot.excerpt_containing(offset..offset)?;
let mut excerpt = snapshot.excerpt_containing(offset..offset)?;
let buffer = excerpt.buffer();
fn comma_delimited_range_at(