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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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16
crates/editor/src/signature_help.rs
View file

@ -5,6 +5,7 @@ use crate::actions::ShowSignatureHelp;
use crate::{Editor, EditorSettings, ToggleAutoSignatureHelp};
use gpui::{AppContext, ViewContext};
use language::markdown::parse_markdown;
use language::BufferSnapshot;
use multi_buffer::{Anchor, ToOffset};
use settings::Settings;
use std::ops::Range;
@ -94,13 +95,14 @@ impl Editor {
(a, b) if b <= buffer_snapshot.len() => a - 1..b,
(a, b) => a - 1..b - 1,
};
let not_quote_like_brackets = |start: Range<usize>, end: Range<usize>| {
let text = buffer_snapshot.text();
let (text_start, text_end) = (text.get(start), text.get(end));
QUOTE_PAIRS
.into_iter()
.all(|(start, end)| text_start != Some(start) && text_end != Some(end))
};
let not_quote_like_brackets =
|buffer: &BufferSnapshot, start: Range<usize>, end: Range<usize>| {
let text_start = buffer.text_for_range(start).collect::<String>();
let text_end = buffer.text_for_range(end).collect::<String>();
QUOTE_PAIRS
.into_iter()
.all(|(start, end)| text_start != start && text_end != end)
};
let previous_position = old_cursor_position.to_offset(&buffer_snapshot);
let previous_brackets_range = bracket_range(previous_position);