A post-modern modal text editor.
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Nathan Vegdahl 953125d3f3
Fix around-word text-object selection. (#546)
* Fix around-word text-object selection.

* Text object around-word: select to the left if no whitespace on the right.

Also only select around when there's whitespace at all.

* Make select-word-around select all white space on a side.

* Update commented-out test case.

* Fix unused import warning from rebase.
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.github action: copy grammar libraries to runtime 2021-07-18 01:06:44 +09:00
book Document C/Alt-C in the keymap 2021-08-05 17:04:26 +09:00
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helix-core Fix around-word text-object selection. (#546) 2021-08-06 09:32:33 +09:00
helix-lsp Add ctrl-z to suspend 2021-08-03 09:32:21 +09:00
helix-syntax Simplify replace dashes with underscore 2021-07-23 18:37:41 +09:00
helix-term Exit extend after yank 2021-08-05 17:25:23 +09:00
helix-tui Add ctrl-z to suspend 2021-08-03 09:32:21 +09:00
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.envrc build(nix): use nix-cargo-integration, make shell.nix use flake devshell 2021-06-13 14:46:51 +09:00
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Cargo.toml Inline tui as helix-tui fork. 2021-05-09 17:52:55 +09:00
CHANGELOG.md Release 0.3.0 2021-06-27 13:27:47 +09:00
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TODO.md minor: Remove old TODOs 2021-06-22 23:26:34 +09:00

Helix

Build status

Screenshot

A kakoune / neovim inspired editor, written in Rust.

The editing model is very heavily based on kakoune; during development I found myself agreeing with most of kakoune's design decisions.

For more information, see the website or documentation.

All shortcuts/keymaps can be found in the documentation on the website

Features

  • Vim-like modal editing
  • Multiple selections
  • Built-in language server support
  • Smart, incremental syntax highlighting and code editing via tree-sitter

It's a terminal-based editor first, but I'd like to explore a custom renderer (similar to emacs) in wgpu or skulpin.

Installation

Note: Only certain languages have indentation definitions at the moment. Check runtime/queries/<lang>/ for indents.toml.

We provide packaging for various distributions, but here's a quick method to build from source.

git clone --recurse-submodules --shallow-submodules -j8 https://github.com/helix-editor/helix
cd helix
cargo install --path helix-term

This will install the hx binary to $HOME/.cargo/bin.

Helix also needs it's runtime files so make sure to copy/symlink the runtime/ directory into the config directory (for example ~/.config/helix/runtime on Linux/macOS). This location can be overriden via the HELIX_RUNTIME environment variable.

Packages already solve this for you by wrapping the hx binary with a wrapper that sets the variable to the install dir.

NOTE: running via cargo also doesn't require setting explicit HELIX_RUNTIME path, it will automatically detect the runtime directory in the project root.

Packaging status

MacOS

Helix can be installed on MacOS through homebrew via:

brew tap helix-editor/helix
brew install helix

Contributing

Contributors are very welcome! No contribution is too small and all contributions are valued.

Some suggestions to get started:

  • You can look at the good first issue label on the issue tracker.
  • Help with packaging on various distributions needed!
  • To use print debugging to the ~/.cache/helix/helix.log file, you must:
    • Print using log::info!, warn!, or error!. (log::info!("helix!"))
    • Pass the appropriate verbosity level option for the desired log level. (hx -v <file> for info, more vs for higher severity inclusive)
  • If your preferred language is missing, integrating a tree-sitter grammar for it and defining syntax highlight queries for it is straight forward and doesn't require much knowledge of the internals.

We provide an architecture.md that should give you a good overview of the internals.

Getting help

Discuss the project on the community Matrix Space (make sure to join #helix-editor:matrix.org if you're on a client that doesn't support Matrix Spaces yet).