Show diagnostics in scrollbar (#7175)

This PR implements support for displaying diagnostics in the scrollbar,
similar to what is already done for search results, symbols, git diff,
...

For example, changing a field name (`text`) without changing the
references looks like this in `buffer.rs` (note the red lines in the
scrollbar):

![image](https://github.com/zed-industries/zed/assets/53836821/c46f0d55-32e3-4334-8ad7-66d1578d5725)

As you can see, the errors, warnings, ... are displayed in the scroll
bar, which helps to identify possible problems with the current file.

Relevant issues: #4866, #6819

Release Notes:

- Added diagnostic indicators to the scrollbar
This commit is contained in:
Bennet Bo Fenner 2024-02-02 11:10:42 +01:00 committed by GitHub
parent 2940a0ebd8
commit ce4c15dca6
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GPG key ID: B5690EEEBB952194
5 changed files with 81 additions and 1 deletions

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@ -127,7 +127,9 @@
// Whether to show selections in the scrollbar.
"selections": true,
// Whether to show symbols selections in the scrollbar.
"symbols_selections": true
"symbols_selections": true,
// Whether to show diagnostic indicators in the scrollbar.
"diagnostics": true
},
"relative_line_numbers": false,
// When to populate a new search's query based on the text under the cursor.