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Here we separate the diagnostics by severity and then overlay the Vec
of spans for each severity on top of the highlights. The error
diagnostics end up overlaid on the warning diagnostics, which are
overlaid on the hints, overlaid on info, overlaid on any other severity
(default), then overlaid on the syntax highlights.
This fixes two things:
* Error diagnostics are now always visible when overlapped with other
diagnostics.
* Ghost text is eliminated.
* Ghost text was caused by duplicate diagnostics at the EOF:
overlaps within the merged `Vec<(usize, Range<usize>)>` violate
assumptions in `helix_core::syntax::Merge`.
* When we push a new range, we check it against the last range and
merge the two if they overlap. This is safe because they both
have the same severity and therefore highlight.
The actual merge is skipped for any of these when they are empty, so
this is very fast in practice. For some data, I threw together an FPS
counter which renders as fast as possible and logs the renders per
second.
With no diagnostics, I see an FPS gain from this change from 868 FPS
to 878 (+1.1%) on a release build on a Rust file. On an Erlang file
with 12 error diagnostics and 6 warnings in view (233 errors and 66
warnings total), I see a decrease in average FPS from 795 to 790
(-0.6%) on a release build.
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It is easy to forget to call `Document::apply` and/or `View::apply` in
the correct order. This commit introduces a helper function which
closes over both calls.
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This change adds View::apply calls for all Document::apply call-sites,
ensuring that changes to a document do not leave invalid entries in
the View's jumplist.
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Applying a transaction to a View adjusts the ranges in the jumplist
to ensure that they remain within the text of the document and follow
regular selection invariants (for example, must be have a width of at
least one).
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
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* Implement cursorcolumn
* Add documentation
* Separate column style from line with fallback
* Fallback to cursorcolumn first
* Switch to non-fallback try_get_exact
Add new function `try_get_exact`, which doesn't perform fallback,
and use that instead because the fallback behaviour is being handled
manually.
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color-modes to the bogster theme. (#4121)
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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If the close method fails, the editor will quit before restoring the
terminal. This causes the shell to break if, e.g. the LS times out
shutting down.
This fixes this by always restoring the terminal after closing, and
printing out a message to stderr if there is an error.
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This change automatically tracks pending text for for commands which use
on-next-key callbacks. For example, `t` will await the next key event
and "t" will be shown in the bottom right-hand corner to show that we're
in a pending state.
Previously, the text for these on-next-key commands needed to be
hard-coded into the command definition which had some drawbacks:
* It was easy to forget to write and clear the pending text.
* If a command was remapped in a custom config, the pending text would
still show the old key.
With this change, pending text is automatically tracked based on the
key events that lead to the command being executed. This works even
when the command is remapped in config and when the on-next-key
callback is nested under some key sequence (for example `mi`).
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* respond to SIGUSR1 by reloading config
* document USR1 signal handling
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* Keep arrow and special keys in insert
Advanced users won't need it and is useful for beginners.
Revert part of #3671.
* Change text for insert mode section
Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
* Remove ctrl-up/down in insert
* Reorganize insert keys and docs
* Improve page up experience on last tutor
The last tutor page can page down multiple times and it will break the
heading on the 80x24 screen paging when reaching the last page, this
keeps the style the same and make sure page up and down won't break it.
Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
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* Change focus to modified docs on quit
When quitting with modified documents, automatically switch focus to
one of them.
* Update helix-term/src/commands/typed.rs
Co-authored-by: Poliorcetics <poliorcetics@users.noreply.github.com>
* Make it work with buffer-close-all and the like
* Cleanup
Use Cow instead of String, and rename DoesntExist -> DoesNotExist
Co-authored-by: Poliorcetics <poliorcetics@users.noreply.github.com>
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* Add option to skip the first indent guide
* reorder skip_first option
* change indent-guides.skip_first to a number
* rename skip -> skip_levels
* add skip_levels to the book
* Update book/src/configuration.md
Co-authored-by: A-Walrus <58790821+A-Walrus@users.noreply.github.com>
* Update helix-term/src/ui/editor.rs
Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
Co-authored-by: Robin <robinvandijk@klippa.com>
Co-authored-by: A-Walrus <58790821+A-Walrus@users.noreply.github.com>
Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
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* keymap: Rename A "Insert at end of line"
The language for the `A` binding is potentially confusing because
`A` behaves like `i` done at the end of the line rather than `a`.
This change renames the command to match Kakoune's language[^1].
[^1]: https://github.com/mawww/kakoune/blob/021da117cf90bf25b65e3344fa8e43ab4262b714/src/normal.cc#L2229
* keymap: Rename I `insert_at_line_start`
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According to [the rustc book](https://doc.rust-lang.org/rustc/codegen-options/index.html#split-debuginfo), this is not supported on Windows. It also prevents Helix from compiling on the latest nightly.
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* Select inserted space after join
* Split join_selections with space selection to A-J
Kakoune does that too and some users may still want to retain their selections.
* Update join_selections docs
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This stanza highlights functions within trait definitions. For example,
in:
pub trait Widget {
fn render(self, area: Rect, buf: &mut Buffer);
}
`render` is currently highlighted as a variable. With this change it's
highlighted as a function.
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When signature help is too large it may cause a panic when it is too
large, now I just make the hover do an intersection with surface to make
sure it never overflow.
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* goto_window_* extends selection
* Don't push to the jumplist
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* [lsp-restart]: call the shutdown_and_exit method for the old_client
* change shutdown_and_exit to force_shutdown
* remove extra log
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* feat(statusline): add option to show total line numbers in file
* feat(line numbers): add config to doc book
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* Add dark high contrast theme
* Add my sign
* Fix typo
* Change gray to white for comment and remove Italic
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* Added 'long-mode' statusline element
* Added customizable statusline mode names
* Removed a string clone
* Added documentation
* Updated documentation, moved modenames to a seperate section
* Update configuration.md
* Documentation update
* Documentation update
* Documentation update
* Update configuration.md
* Update configuration.md
* Fixed merge error
* Update configuration.md
* Update configuration.md
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* add `ui.gutter.selected`
* add `ui.gutter`, `ui.gutter.selected` to docs
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