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1718 lines
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<ol class="chapter"><li class="chapter-item expanded affix "><a href="title-page.html">Helix</a></li><li class="chapter-item expanded "><a href="install.html"><strong aria-hidden="true">1.</strong> Installation</a></li><li class="chapter-item expanded "><a href="usage.html"><strong aria-hidden="true">2.</strong> Usage</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="keymap.html"><strong aria-hidden="true">2.1.</strong> Keymap</a></li><li class="chapter-item expanded "><a href="commands.html"><strong aria-hidden="true">2.2.</strong> Commands</a></li><li class="chapter-item expanded "><a href="lang-support.html"><strong aria-hidden="true">2.3.</strong> Language Support</a></li></ol></li><li class="chapter-item expanded "><a href="from-vim.html"><strong aria-hidden="true">3.</strong> Migrating from Vim</a></li><li class="chapter-item expanded "><a href="configuration.html"><strong aria-hidden="true">4.</strong> Configuration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="themes.html"><strong aria-hidden="true">4.1.</strong> Themes</a></li><li class="chapter-item expanded "><a href="remapping.html"><strong aria-hidden="true">4.2.</strong> Key Remapping</a></li><li class="chapter-item expanded "><a href="hooks.html"><strong aria-hidden="true">4.3.</strong> Hooks</a></li><li class="chapter-item expanded "><a href="languages.html"><strong aria-hidden="true">4.4.</strong> Languages</a></li></ol></li><li class="chapter-item expanded "><a href="guides/index.html"><strong aria-hidden="true">5.</strong> Guides</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="guides/adding_languages.html"><strong aria-hidden="true">5.1.</strong> Adding Languages</a></li><li class="chapter-item expanded "><a href="guides/textobject.html"><strong aria-hidden="true">5.2.</strong> Adding Textobject Queries</a></li><li class="chapter-item expanded "><a href="guides/indent.html"><strong aria-hidden="true">5.3.</strong> Adding Indent Queries</a></li></ol></li></ol>
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<main>
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<h1 id="helix"><a class="header" href="#helix">Helix</a></h1>
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<p>Docs for bleeding edge master can be found at
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<a href="https://docs.helix-editor.com/master">https://docs.helix-editor.com/master</a>.</p>
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<p>See the <a href="./usage.html">usage</a> section for a quick overview of the editor, <a href="./keymap.html">keymap</a>
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section for all available keybindings and the <a href="./configuration.html">configuration</a> section
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for defining custom keybindings, setting themes, etc.
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For everything else (e.g., how to install supported language servers), see the <a href="https://github.com/helix-editor/helix/wiki">Helix Wiki</a>.</p>
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<p>Refer the <a href="https://github.com/helix-editor/helix/wiki/FAQ">FAQ</a> for common questions.</p>
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<div style="break-before: page; page-break-before: always;"></div><h1 id="installation"><a class="header" href="#installation">Installation</a></h1>
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<p>We provide pre-built binaries on the <a href="https://github.com/helix-editor/helix/releases">GitHub Releases page</a>.</p>
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<p><a href="https://repology.org/project/helix/versions"><img src="https://repology.org/badge/vertical-allrepos/helix.svg" alt="Packaging status" /></a></p>
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<h2 id="osx"><a class="header" href="#osx">OSX</a></h2>
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<p>A Homebrew tap is available:</p>
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<pre><code>brew tap helix-editor/helix
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brew install helix
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</code></pre>
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<h2 id="linux"><a class="header" href="#linux">Linux</a></h2>
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<h3 id="nixos"><a class="header" href="#nixos">NixOS</a></h3>
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<p>A <a href="https://nixos.wiki/wiki/Flakes">flake</a> containing the package is available in
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the project root. The flake can also be used to spin up a reproducible development
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shell for working on Helix with <code>nix develop</code>.</p>
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<p>Flake outputs are cached for each push to master using
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<a href="https://www.cachix.org/">Cachix</a>. The flake is configured to
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automatically make use of this cache assuming the user accepts
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the new settings on first use.</p>
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<p>If you are using a version of Nix without flakes enabled you can
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<a href="https://docs.cachix.org/installation">install Cachix cli</a>; <code>cachix use helix</code> will
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configure Nix to use cached outputs when possible.</p>
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<h3 id="arch-linux"><a class="header" href="#arch-linux">Arch Linux</a></h3>
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<p>Releases are available in the <code>community</code> repository.</p>
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<p>A <a href="https://aur.archlinux.org/packages/helix-git/">helix-git</a> package is also available on the AUR, which builds the master branch.</p>
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<h3 id="fedora-linux"><a class="header" href="#fedora-linux">Fedora Linux</a></h3>
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<p>You can install the COPR package for Helix via</p>
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<pre><code>sudo dnf copr enable varlad/helix
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sudo dnf install helix
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</code></pre>
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<h3 id="void-linux"><a class="header" href="#void-linux">Void Linux</a></h3>
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<pre><code>sudo xbps-install helix
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</code></pre>
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<h2 id="build-from-source"><a class="header" href="#build-from-source">Build from source</a></h2>
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<pre><code>git clone https://github.com/helix-editor/helix
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cd helix
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cargo install --path helix-term
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</code></pre>
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<p>This will install the <code>hx</code> binary to <code>$HOME/.cargo/bin</code>.</p>
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<p>Helix also needs it's runtime files so make sure to copy/symlink the <code>runtime/</code> directory into the
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config directory (for example <code>~/.config/helix/runtime</code> on Linux/macOS). This location can be overridden
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via the <code>HELIX_RUNTIME</code> environment variable.</p>
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<div class="table-wrapper"><table><thead><tr><th>OS</th><th>command</th></tr></thead><tbody>
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<tr><td>windows(cmd.exe)</td><td><code>xcopy runtime %AppData%/helix/runtime</code></td></tr>
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<tr><td>windows(powershell)</td><td><code>xcopy runtime $Env:AppData\helix\runtime</code></td></tr>
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<tr><td>linux/macos</td><td><code>ln -s $PWD/runtime ~/.config/helix/runtime</code></td></tr>
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</tbody></table>
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</div>
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<h2 id="finishing-up-the-installation"><a class="header" href="#finishing-up-the-installation">Finishing up the installation</a></h2>
|
|
<p>To make sure everything is set up as expected you should finally run the helix healthcheck via </p>
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<pre><code>hx --health
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</code></pre>
|
|
<p>For more information on the information displayed in the healthcheck results refer to <a href="https://github.com/helix-editor/helix/wiki/Healthcheck">Healthcheck</a>.</p>
|
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<h3 id="building-tree-sitter-grammars"><a class="header" href="#building-tree-sitter-grammars">Building tree-sitter grammars</a></h3>
|
|
<p>Tree-sitter grammars must be fetched and compiled if not pre-packaged.
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Fetch grammars with <code>hx --grammar fetch</code> (requires <code>git</code>) and compile them
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with <code>hx --grammar build</code> (requires a C++ compiler).</p>
|
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<h3 id="installing-language-servers"><a class="header" href="#installing-language-servers">Installing language servers</a></h3>
|
|
<p>Language servers can optionally be installed if you want their features (auto-complete, diagnostics etc.).
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Follow the <a href="https://github.com/helix-editor/helix/wiki/How-to-install-the-default-language-servers">instructions on the wiki page</a> to add your language servers of choice.</p>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="usage"><a class="header" href="#usage">Usage</a></h1>
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<p>(Currently not fully documented, see the <a href="./keymap.html">keymappings</a> list for more.)</p>
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<p>See <a href="https://github.com/helix-editor/helix/blob/master/runtime/tutor.txt">tutor.txt</a> (accessible via <code>hx --tutor</code> or <code>:tutor</code>) for a vimtutor-like introduction.</p>
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<h2 id="registers"><a class="header" href="#registers">Registers</a></h2>
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<p>Vim-like registers can be used to yank and store text to be pasted later. Usage is similar, with <code>"</code> being used to select a register:</p>
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<ul>
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<li><code>"ay</code> - Yank the current selection to register <code>a</code>.</li>
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<li><code>"op</code> - Paste the text in register <code>o</code> after the selection.</li>
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</ul>
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<p>If there is a selected register before invoking a change or delete command, the selection will be stored in the register and the action will be carried out:</p>
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<ul>
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<li><code>"hc</code> - Store the selection in register <code>h</code> and then change it (delete and enter insert mode).</li>
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<li><code>"md</code> - Store the selection in register <code>m</code> and delete it.</li>
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</ul>
|
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<h3 id="special-registers"><a class="header" href="#special-registers">Special Registers</a></h3>
|
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<div class="table-wrapper"><table><thead><tr><th>Register character</th><th>Contains</th></tr></thead><tbody>
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<tr><td><code>/</code></td><td>Last search</td></tr>
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<tr><td><code>:</code></td><td>Last executed command</td></tr>
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<tr><td><code>"</code></td><td>Last yanked text</td></tr>
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<tr><td><code>_</code></td><td>Black hole</td></tr>
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</tbody></table>
|
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</div>
|
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<blockquote>
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<p>There is no special register for copying to system clipboard, instead special commands and keybindings are provided. See the <a href="keymap.html#space-mode">keymap</a> for the specifics.
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The black hole register works as a no-op register, meaning no data will be written to / read from it.</p>
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</blockquote>
|
|
<h2 id="surround"><a class="header" href="#surround">Surround</a></h2>
|
|
<p>Functionality similar to <a href="https://github.com/tpope/vim-surround">vim-surround</a> is built into
|
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helix. The keymappings have been inspired from <a href="https://github.com/machakann/vim-sandwich">vim-sandwich</a>:</p>
|
|
<p><img src="https://user-images.githubusercontent.com/23398472/122865801-97073180-d344-11eb-8142-8f43809982c6.gif" alt="surround demo" /></p>
|
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<ul>
|
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<li><code>ms</code> - Add surround characters</li>
|
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<li><code>mr</code> - Replace surround characters</li>
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<li><code>md</code> - Delete surround characters</li>
|
|
</ul>
|
|
<p><code>ms</code> acts on a selection, so select the text first and use <code>ms<char></code>. <code>mr</code> and <code>md</code> work
|
|
on the closest pairs found and selections are not required; use counts to act in outer pairs.</p>
|
|
<p>It can also act on multiple selections (yay!). For example, to change every occurrence of <code>(use)</code> to <code>[use]</code>:</p>
|
|
<ul>
|
|
<li><code>%</code> to select the whole file</li>
|
|
<li><code>s</code> to split the selections on a search term</li>
|
|
<li>Input <code>use</code> and hit Enter</li>
|
|
<li><code>mr([</code> to replace the parens with square brackets</li>
|
|
</ul>
|
|
<p>Multiple characters are currently not supported, but planned.</p>
|
|
<h2 id="syntax-tree-motions"><a class="header" href="#syntax-tree-motions">Syntax-tree Motions</a></h2>
|
|
<p><code>A-p</code>, <code>A-o</code>, <code>A-i</code>, and <code>A-n</code> (or <code>Alt</code> and arrow keys) move the primary
|
|
selection according to the selection's place in the syntax tree. Let's walk
|
|
through an example to get familiar with them. Many languages have a syntax like
|
|
so for function calls:</p>
|
|
<pre><code>func(arg1, arg2, arg3)
|
|
</code></pre>
|
|
<p>A function call might be parsed by tree-sitter into a tree like the following.</p>
|
|
<pre><code class="language-tsq">(call
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|
function: (identifier) ; func
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|
arguments:
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(arguments ; (arg1, arg2, arg3)
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(identifier) ; arg1
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(identifier) ; arg2
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(identifier))) ; arg3
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</code></pre>
|
|
<p>Use <code>:tree-sitter-subtree</code> to view the syntax tree of the primary selection. In
|
|
a more intuitive tree format:</p>
|
|
<pre><code> ┌────┐
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|
│call│
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|
┌─────┴────┴─────┐
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│ │
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┌─────▼────┐ ┌────▼────┐
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│identifier│ │arguments│
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│ "func" │ ┌────┴───┬─────┴───┐
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└──────────┘ │ │ │
|
|
│ │ │
|
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┌─────────▼┐ ┌────▼─────┐ ┌▼─────────┐
|
|
│identifier│ │identifier│ │identifier│
|
|
│ "arg1" │ │ "arg2" │ │ "arg3" │
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|
└──────────┘ └──────────┘ └──────────┘
|
|
</code></pre>
|
|
<p>Say we have a selection that wraps <code>arg1</code>. The selection is on the <code>arg1</code> leaf
|
|
in the tree above.</p>
|
|
<pre><code>func([arg1], arg2, arg3)
|
|
</code></pre>
|
|
<p>Using <code>A-n</code> would select the next sibling in the syntax tree: <code>arg2</code>.</p>
|
|
<pre><code>func(arg1, [arg2], arg3)
|
|
</code></pre>
|
|
<p>While <code>A-o</code> would expand the selection to the parent node. In the tree above we
|
|
can see that we would select the <code>arguments</code> node.</p>
|
|
<pre><code>func[(arg1, arg2, arg3)]
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|
</code></pre>
|
|
<p>There is also some nuanced behavior that prevents you from getting stuck on a
|
|
node with no sibling. If we have a selection on <code>arg1</code>, <code>A-p</code> would bring us
|
|
to the previous child node. Since <code>arg1</code> doesn't have a sibling to its left,
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|
though, we climb the syntax tree and then take the previous selection. So <code>A-p</code>
|
|
will move the selection over to the "func" <code>identifier</code>.</p>
|
|
<pre><code>[func](arg1, arg2, arg3)
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|
</code></pre>
|
|
<h2 id="textobjects"><a class="header" href="#textobjects">Textobjects</a></h2>
|
|
<p>Currently supported: <code>word</code>, <code>surround</code>, <code>function</code>, <code>class</code>, <code>parameter</code>.</p>
|
|
<p><img src="https://user-images.githubusercontent.com/23398472/124231131-81a4bb00-db2d-11eb-9d10-8e577ca7b177.gif" alt="textobject-demo" />
|
|
<img src="https://user-images.githubusercontent.com/23398472/132537398-2a2e0a54-582b-44ab-a77f-eb818942203d.gif" alt="textobject-treesitter-demo" /></p>
|
|
<ul>
|
|
<li><code>ma</code> - Select around the object (<code>va</code> in vim, <code><alt-a></code> in kakoune)</li>
|
|
<li><code>mi</code> - Select inside the object (<code>vi</code> in vim, <code><alt-i></code> in kakoune)</li>
|
|
</ul>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key after <code>mi</code> or <code>ma</code></th><th>Textobject selected</th></tr></thead><tbody>
|
|
<tr><td><code>w</code></td><td>Word</td></tr>
|
|
<tr><td><code>W</code></td><td>WORD</td></tr>
|
|
<tr><td><code>(</code>, <code>[</code>, <code>'</code>, etc</td><td>Specified surround pairs</td></tr>
|
|
<tr><td><code>m</code></td><td>Closest surround pair</td></tr>
|
|
<tr><td><code>f</code></td><td>Function</td></tr>
|
|
<tr><td><code>c</code></td><td>Class</td></tr>
|
|
<tr><td><code>a</code></td><td>Argument/parameter</td></tr>
|
|
<tr><td><code>o</code></td><td>Comment</td></tr>
|
|
<tr><td><code>t</code></td><td>Test</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<blockquote>
|
|
<p>NOTE: <code>f</code>, <code>c</code>, etc need a tree-sitter grammar active for the current
|
|
document and a special tree-sitter query file to work properly. <a href="./lang-support.html">Only
|
|
some grammars</a> currently have the query file implemented.
|
|
Contributions are welcome!</p>
|
|
</blockquote>
|
|
<h2 id="tree-sitter-textobject-based-navigation"><a class="header" href="#tree-sitter-textobject-based-navigation">Tree-sitter Textobject Based Navigation</a></h2>
|
|
<p>Navigating between functions, classes, parameters, etc is made
|
|
possible by leveraging tree-sitter and textobjects queries. For
|
|
example to move to the next function use <code>]f</code>, to move to previous
|
|
class use <code>[c</code>, and so on.</p>
|
|
<p><img src="https://user-images.githubusercontent.com/23398472/152332550-7dfff043-36a2-4aec-b8f2-77c13eb56d6f.gif" alt="tree-sitter-nav-demo" /></p>
|
|
<p>See the <a href="./keymap.html#unimpaired">unimpaired</a> section of the keybind
|
|
documentation for the full reference.</p>
|
|
<blockquote>
|
|
<p>NOTE: This feature is dependent on tree-sitter based textobjects
|
|
and therefore requires the corresponding query file to work properly.</p>
|
|
</blockquote>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="keymap"><a class="header" href="#keymap">Keymap</a></h1>
|
|
<ul>
|
|
<li>Mappings marked (<strong>LSP</strong>) require an active language server for the file.</li>
|
|
<li>Mappings marked (<strong>TS</strong>) require a tree-sitter grammar for the filetype.</li>
|
|
</ul>
|
|
<h2 id="normal-mode"><a class="header" href="#normal-mode">Normal mode</a></h2>
|
|
<h3 id="movement"><a class="header" href="#movement">Movement</a></h3>
|
|
<blockquote>
|
|
<p>NOTE: Unlike vim, <code>f</code>, <code>F</code>, <code>t</code> and <code>T</code> are not confined to the current line.</p>
|
|
</blockquote>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>h</code>, <code>Left</code></td><td>Move left</td><td><code>move_char_left</code></td></tr>
|
|
<tr><td><code>j</code>, <code>Down</code></td><td>Move down</td><td><code>move_line_down</code></td></tr>
|
|
<tr><td><code>k</code>, <code>Up</code></td><td>Move up</td><td><code>move_line_up</code></td></tr>
|
|
<tr><td><code>l</code>, <code>Right</code></td><td>Move right</td><td><code>move_char_right</code></td></tr>
|
|
<tr><td><code>w</code></td><td>Move next word start</td><td><code>move_next_word_start</code></td></tr>
|
|
<tr><td><code>b</code></td><td>Move previous word start</td><td><code>move_prev_word_start</code></td></tr>
|
|
<tr><td><code>e</code></td><td>Move next word end</td><td><code>move_next_word_end</code></td></tr>
|
|
<tr><td><code>W</code></td><td>Move next WORD start</td><td><code>move_next_long_word_start</code></td></tr>
|
|
<tr><td><code>B</code></td><td>Move previous WORD start</td><td><code>move_prev_long_word_start</code></td></tr>
|
|
<tr><td><code>E</code></td><td>Move next WORD end</td><td><code>move_next_long_word_end</code></td></tr>
|
|
<tr><td><code>t</code></td><td>Find 'till next char</td><td><code>find_till_char</code></td></tr>
|
|
<tr><td><code>f</code></td><td>Find next char</td><td><code>find_next_char</code></td></tr>
|
|
<tr><td><code>T</code></td><td>Find 'till previous char</td><td><code>till_prev_char</code></td></tr>
|
|
<tr><td><code>F</code></td><td>Find previous char</td><td><code>find_prev_char</code></td></tr>
|
|
<tr><td><code>G</code></td><td>Go to line number <code><n></code></td><td><code>goto_line</code></td></tr>
|
|
<tr><td><code>Alt-.</code></td><td>Repeat last motion (<code>f</code>, <code>t</code> or <code>m</code>)</td><td><code>repeat_last_motion</code></td></tr>
|
|
<tr><td><code>Home</code></td><td>Move to the start of the line</td><td><code>goto_line_start</code></td></tr>
|
|
<tr><td><code>End</code></td><td>Move to the end of the line</td><td><code>goto_line_end</code></td></tr>
|
|
<tr><td><code>Ctrl-b</code>, <code>PageUp</code></td><td>Move page up</td><td><code>page_up</code></td></tr>
|
|
<tr><td><code>Ctrl-f</code>, <code>PageDown</code></td><td>Move page down</td><td><code>page_down</code></td></tr>
|
|
<tr><td><code>Ctrl-u</code></td><td>Move half page up</td><td><code>half_page_up</code></td></tr>
|
|
<tr><td><code>Ctrl-d</code></td><td>Move half page down</td><td><code>half_page_down</code></td></tr>
|
|
<tr><td><code>Ctrl-i</code></td><td>Jump forward on the jumplist</td><td><code>jump_forward</code></td></tr>
|
|
<tr><td><code>Ctrl-o</code></td><td>Jump backward on the jumplist</td><td><code>jump_backward</code></td></tr>
|
|
<tr><td><code>Ctrl-s</code></td><td>Save the current selection to the jumplist</td><td><code>save_selection</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="changes"><a class="header" href="#changes">Changes</a></h3>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>r</code></td><td>Replace with a character</td><td><code>replace</code></td></tr>
|
|
<tr><td><code>R</code></td><td>Replace with yanked text</td><td><code>replace_with_yanked</code></td></tr>
|
|
<tr><td><code>~</code></td><td>Switch case of the selected text</td><td><code>switch_case</code></td></tr>
|
|
<tr><td><code>`</code></td><td>Set the selected text to lower case</td><td><code>switch_to_lowercase</code></td></tr>
|
|
<tr><td><code>Alt-`</code></td><td>Set the selected text to upper case</td><td><code>switch_to_uppercase</code></td></tr>
|
|
<tr><td><code>i</code></td><td>Insert before selection</td><td><code>insert_mode</code></td></tr>
|
|
<tr><td><code>a</code></td><td>Insert after selection (append)</td><td><code>append_mode</code></td></tr>
|
|
<tr><td><code>I</code></td><td>Insert at the start of the line</td><td><code>prepend_to_line</code></td></tr>
|
|
<tr><td><code>A</code></td><td>Insert at the end of the line</td><td><code>append_to_line</code></td></tr>
|
|
<tr><td><code>o</code></td><td>Open new line below selection</td><td><code>open_below</code></td></tr>
|
|
<tr><td><code>O</code></td><td>Open new line above selection</td><td><code>open_above</code></td></tr>
|
|
<tr><td><code>.</code></td><td>Repeat last insert</td><td>N/A</td></tr>
|
|
<tr><td><code>u</code></td><td>Undo change</td><td><code>undo</code></td></tr>
|
|
<tr><td><code>U</code></td><td>Redo change</td><td><code>redo</code></td></tr>
|
|
<tr><td><code>Alt-u</code></td><td>Move backward in history</td><td><code>earlier</code></td></tr>
|
|
<tr><td><code>Alt-U</code></td><td>Move forward in history</td><td><code>later</code></td></tr>
|
|
<tr><td><code>y</code></td><td>Yank selection</td><td><code>yank</code></td></tr>
|
|
<tr><td><code>p</code></td><td>Paste after selection</td><td><code>paste_after</code></td></tr>
|
|
<tr><td><code>P</code></td><td>Paste before selection</td><td><code>paste_before</code></td></tr>
|
|
<tr><td><code>"</code> <code><reg></code></td><td>Select a register to yank to or paste from</td><td><code>select_register</code></td></tr>
|
|
<tr><td><code>></code></td><td>Indent selection</td><td><code>indent</code></td></tr>
|
|
<tr><td><code><</code></td><td>Unindent selection</td><td><code>unindent</code></td></tr>
|
|
<tr><td><code>=</code></td><td>Format selection (currently nonfunctional/disabled) (<strong>LSP</strong>)</td><td><code>format_selections</code></td></tr>
|
|
<tr><td><code>d</code></td><td>Delete selection</td><td><code>delete_selection</code></td></tr>
|
|
<tr><td><code>Alt-d</code></td><td>Delete selection, without yanking</td><td><code>delete_selection_noyank</code></td></tr>
|
|
<tr><td><code>c</code></td><td>Change selection (delete and enter insert mode)</td><td><code>change_selection</code></td></tr>
|
|
<tr><td><code>Alt-c</code></td><td>Change selection (delete and enter insert mode, without yanking)</td><td><code>change_selection_noyank</code></td></tr>
|
|
<tr><td><code>Ctrl-a</code></td><td>Increment object (number) under cursor</td><td><code>increment</code></td></tr>
|
|
<tr><td><code>Ctrl-x</code></td><td>Decrement object (number) under cursor</td><td><code>decrement</code></td></tr>
|
|
<tr><td><code>Q</code></td><td>Start/stop macro recording to the selected register (experimental)</td><td><code>record_macro</code></td></tr>
|
|
<tr><td><code>q</code></td><td>Play back a recorded macro from the selected register (experimental)</td><td><code>replay_macro</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h4 id="shell"><a class="header" href="#shell">Shell</a></h4>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>|</code></td><td>Pipe each selection through shell command, replacing with output</td><td><code>shell_pipe</code></td></tr>
|
|
<tr><td><code>Alt-|</code></td><td>Pipe each selection into shell command, ignoring output</td><td><code>shell_pipe_to</code></td></tr>
|
|
<tr><td><code>!</code></td><td>Run shell command, inserting output before each selection</td><td><code>shell_insert_output</code></td></tr>
|
|
<tr><td><code>Alt-!</code></td><td>Run shell command, appending output after each selection</td><td><code>shell_append_output</code></td></tr>
|
|
<tr><td><code>$</code></td><td>Pipe each selection into shell command, keep selections where command returned 0</td><td><code>shell_keep_pipe</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="selection-manipulation"><a class="header" href="#selection-manipulation">Selection manipulation</a></h3>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>s</code></td><td>Select all regex matches inside selections</td><td><code>select_regex</code></td></tr>
|
|
<tr><td><code>S</code></td><td>Split selection into subselections on regex matches</td><td><code>split_selection</code></td></tr>
|
|
<tr><td><code>Alt-s</code></td><td>Split selection on newlines</td><td><code>split_selection_on_newline</code></td></tr>
|
|
<tr><td><code>&</code></td><td>Align selection in columns</td><td><code>align_selections</code></td></tr>
|
|
<tr><td><code>_</code></td><td>Trim whitespace from the selection</td><td><code>trim_selections</code></td></tr>
|
|
<tr><td><code>;</code></td><td>Collapse selection onto a single cursor</td><td><code>collapse_selection</code></td></tr>
|
|
<tr><td><code>Alt-;</code></td><td>Flip selection cursor and anchor</td><td><code>flip_selections</code></td></tr>
|
|
<tr><td><code>Alt-:</code></td><td>Ensures the selection is in forward direction</td><td><code>ensure_selections_forward</code></td></tr>
|
|
<tr><td><code>,</code></td><td>Keep only the primary selection</td><td><code>keep_primary_selection</code></td></tr>
|
|
<tr><td><code>Alt-,</code></td><td>Remove the primary selection</td><td><code>remove_primary_selection</code></td></tr>
|
|
<tr><td><code>C</code></td><td>Copy selection onto the next line (Add cursor below)</td><td><code>copy_selection_on_next_line</code></td></tr>
|
|
<tr><td><code>Alt-C</code></td><td>Copy selection onto the previous line (Add cursor above)</td><td><code>copy_selection_on_prev_line</code></td></tr>
|
|
<tr><td><code>(</code></td><td>Rotate main selection backward</td><td><code>rotate_selections_backward</code></td></tr>
|
|
<tr><td><code>)</code></td><td>Rotate main selection forward</td><td><code>rotate_selections_forward</code></td></tr>
|
|
<tr><td><code>Alt-(</code></td><td>Rotate selection contents backward</td><td><code>rotate_selection_contents_backward</code></td></tr>
|
|
<tr><td><code>Alt-)</code></td><td>Rotate selection contents forward</td><td><code>rotate_selection_contents_forward</code></td></tr>
|
|
<tr><td><code>%</code></td><td>Select entire file</td><td><code>select_all</code></td></tr>
|
|
<tr><td><code>x</code></td><td>Select current line, if already selected, extend to next line</td><td><code>extend_line</code></td></tr>
|
|
<tr><td><code>X</code></td><td>Extend selection to line bounds (line-wise selection)</td><td><code>extend_to_line_bounds</code></td></tr>
|
|
<tr><td><code>Alt-x</code></td><td>Shrink selection to line bounds (line-wise selection)</td><td><code>shrink_to_line_bounds</code></td></tr>
|
|
<tr><td><code>J</code></td><td>Join lines inside selection</td><td><code>join_selections</code></td></tr>
|
|
<tr><td><code>K</code></td><td>Keep selections matching the regex</td><td><code>keep_selections</code></td></tr>
|
|
<tr><td><code>Alt-K</code></td><td>Remove selections matching the regex</td><td><code>remove_selections</code></td></tr>
|
|
<tr><td><code>Ctrl-c</code></td><td>Comment/uncomment the selections</td><td><code>toggle_comments</code></td></tr>
|
|
<tr><td><code>Alt-o</code>, <code>Alt-up</code></td><td>Expand selection to parent syntax node (<strong>TS</strong>)</td><td><code>expand_selection</code></td></tr>
|
|
<tr><td><code>Alt-i</code>, <code>Alt-down</code></td><td>Shrink syntax tree object selection (<strong>TS</strong>)</td><td><code>shrink_selection</code></td></tr>
|
|
<tr><td><code>Alt-p</code>, <code>Alt-left</code></td><td>Select previous sibling node in syntax tree (<strong>TS</strong>)</td><td><code>select_prev_sibling</code></td></tr>
|
|
<tr><td><code>Alt-n</code>, <code>Alt-right</code></td><td>Select next sibling node in syntax tree (<strong>TS</strong>)</td><td><code>select_next_sibling</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="search"><a class="header" href="#search">Search</a></h3>
|
|
<p>Search commands all operate on the <code>/</code> register by default. Use <code>"<char></code> to operate on a different one.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>/</code></td><td>Search for regex pattern</td><td><code>search</code></td></tr>
|
|
<tr><td><code>?</code></td><td>Search for previous pattern</td><td><code>rsearch</code></td></tr>
|
|
<tr><td><code>n</code></td><td>Select next search match</td><td><code>search_next</code></td></tr>
|
|
<tr><td><code>N</code></td><td>Select previous search match</td><td><code>search_prev</code></td></tr>
|
|
<tr><td><code>*</code></td><td>Use current selection as the search pattern</td><td><code>search_selection</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="minor-modes"><a class="header" href="#minor-modes">Minor modes</a></h3>
|
|
<p>These sub-modes are accessible from normal mode and typically switch back to normal mode after a command.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>v</code></td><td>Enter <a href="keymap.html#select--extend-mode">select (extend) mode</a></td><td><code>select_mode</code></td></tr>
|
|
<tr><td><code>g</code></td><td>Enter <a href="keymap.html#goto-mode">goto mode</a></td><td>N/A</td></tr>
|
|
<tr><td><code>m</code></td><td>Enter <a href="keymap.html#match-mode">match mode</a></td><td>N/A</td></tr>
|
|
<tr><td><code>:</code></td><td>Enter command mode</td><td><code>command_mode</code></td></tr>
|
|
<tr><td><code>z</code></td><td>Enter <a href="keymap.html#view-mode">view mode</a></td><td>N/A</td></tr>
|
|
<tr><td><code>Z</code></td><td>Enter sticky <a href="keymap.html#view-mode">view mode</a></td><td>N/A</td></tr>
|
|
<tr><td><code>Ctrl-w</code></td><td>Enter <a href="keymap.html#window-mode">window mode</a></td><td>N/A</td></tr>
|
|
<tr><td><code>Space</code></td><td>Enter <a href="keymap.html#space-mode">space mode</a></td><td>N/A</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h4 id="view-mode"><a class="header" href="#view-mode">View mode</a></h4>
|
|
<p>View mode is intended for scrolling and manipulating the view without changing
|
|
the selection. The "sticky" variant of this mode is persistent; use the Escape
|
|
key to return to normal mode after usage (useful when you're simply looking
|
|
over text and not actively editing it).</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>z</code>, <code>c</code></td><td>Vertically center the line</td><td><code>align_view_center</code></td></tr>
|
|
<tr><td><code>t</code></td><td>Align the line to the top of the screen</td><td><code>align_view_top</code></td></tr>
|
|
<tr><td><code>b</code></td><td>Align the line to the bottom of the screen</td><td><code>align_view_bottom</code></td></tr>
|
|
<tr><td><code>m</code></td><td>Align the line to the middle of the screen (horizontally)</td><td><code>align_view_middle</code></td></tr>
|
|
<tr><td><code>j</code>, <code>down</code></td><td>Scroll the view downwards</td><td><code>scroll_down</code></td></tr>
|
|
<tr><td><code>k</code>, <code>up</code></td><td>Scroll the view upwards</td><td><code>scroll_up</code></td></tr>
|
|
<tr><td><code>Ctrl-f</code>, <code>PageDown</code></td><td>Move page down</td><td><code>page_down</code></td></tr>
|
|
<tr><td><code>Ctrl-b</code>, <code>PageUp</code></td><td>Move page up</td><td><code>page_up</code></td></tr>
|
|
<tr><td><code>Ctrl-d</code></td><td>Move half page down</td><td><code>half_page_down</code></td></tr>
|
|
<tr><td><code>Ctrl-u</code></td><td>Move half page up</td><td><code>half_page_up</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h4 id="goto-mode"><a class="header" href="#goto-mode">Goto mode</a></h4>
|
|
<p>Jumps to various locations.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>g</code></td><td>Go to line number <code><n></code> else start of file</td><td><code>goto_file_start</code></td></tr>
|
|
<tr><td><code>e</code></td><td>Go to the end of the file</td><td><code>goto_last_line</code></td></tr>
|
|
<tr><td><code>f</code></td><td>Go to files in the selection</td><td><code>goto_file</code></td></tr>
|
|
<tr><td><code>h</code></td><td>Go to the start of the line</td><td><code>goto_line_start</code></td></tr>
|
|
<tr><td><code>l</code></td><td>Go to the end of the line</td><td><code>goto_line_end</code></td></tr>
|
|
<tr><td><code>s</code></td><td>Go to first non-whitespace character of the line</td><td><code>goto_first_nonwhitespace</code></td></tr>
|
|
<tr><td><code>t</code></td><td>Go to the top of the screen</td><td><code>goto_window_top</code></td></tr>
|
|
<tr><td><code>c</code></td><td>Go to the middle of the screen</td><td><code>goto_window_center</code></td></tr>
|
|
<tr><td><code>b</code></td><td>Go to the bottom of the screen</td><td><code>goto_window_bottom</code></td></tr>
|
|
<tr><td><code>d</code></td><td>Go to definition (<strong>LSP</strong>)</td><td><code>goto_definition</code></td></tr>
|
|
<tr><td><code>y</code></td><td>Go to type definition (<strong>LSP</strong>)</td><td><code>goto_type_definition</code></td></tr>
|
|
<tr><td><code>r</code></td><td>Go to references (<strong>LSP</strong>)</td><td><code>goto_reference</code></td></tr>
|
|
<tr><td><code>i</code></td><td>Go to implementation (<strong>LSP</strong>)</td><td><code>goto_implementation</code></td></tr>
|
|
<tr><td><code>a</code></td><td>Go to the last accessed/alternate file</td><td><code>goto_last_accessed_file</code></td></tr>
|
|
<tr><td><code>m</code></td><td>Go to the last modified/alternate file</td><td><code>goto_last_modified_file</code></td></tr>
|
|
<tr><td><code>n</code></td><td>Go to next buffer</td><td><code>goto_next_buffer</code></td></tr>
|
|
<tr><td><code>p</code></td><td>Go to previous buffer</td><td><code>goto_previous_buffer</code></td></tr>
|
|
<tr><td><code>.</code></td><td>Go to last modification in current file</td><td><code>goto_last_modification</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h4 id="match-mode"><a class="header" href="#match-mode">Match mode</a></h4>
|
|
<p>Enter this mode using <code>m</code> from normal mode. See the relevant section
|
|
in <a href="./usage.html">Usage</a> for an explanation about <a href="./usage.html#surround">surround</a>
|
|
and <a href="./usage.html#textobject">textobject</a> usage.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>m</code></td><td>Goto matching bracket (<strong>TS</strong>)</td><td><code>match_brackets</code></td></tr>
|
|
<tr><td><code>s</code> <code><char></code></td><td>Surround current selection with <code><char></code></td><td><code>surround_add</code></td></tr>
|
|
<tr><td><code>r</code> <code><from><to></code></td><td>Replace surround character <code><from></code> with <code><to></code></td><td><code>surround_replace</code></td></tr>
|
|
<tr><td><code>d</code> <code><char></code></td><td>Delete surround character <code><char></code></td><td><code>surround_delete</code></td></tr>
|
|
<tr><td><code>a</code> <code><object></code></td><td>Select around textobject</td><td><code>select_textobject_around</code></td></tr>
|
|
<tr><td><code>i</code> <code><object></code></td><td>Select inside textobject</td><td><code>select_textobject_inner</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<p>TODO: Mappings for selecting syntax nodes (a superset of <code>[</code>).</p>
|
|
<h4 id="window-mode"><a class="header" href="#window-mode">Window mode</a></h4>
|
|
<p>This layer is similar to vim keybindings as kakoune does not support window.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>w</code>, <code>Ctrl-w</code></td><td>Switch to next window</td><td><code>rotate_view</code></td></tr>
|
|
<tr><td><code>v</code>, <code>Ctrl-v</code></td><td>Vertical right split</td><td><code>vsplit</code></td></tr>
|
|
<tr><td><code>s</code>, <code>Ctrl-s</code></td><td>Horizontal bottom split</td><td><code>hsplit</code></td></tr>
|
|
<tr><td><code>f</code></td><td>Go to files in the selection in horizontal splits</td><td><code>goto_file</code></td></tr>
|
|
<tr><td><code>F</code></td><td>Go to files in the selection in vertical splits</td><td><code>goto_file</code></td></tr>
|
|
<tr><td><code>h</code>, <code>Ctrl-h</code>, <code>Left</code></td><td>Move to left split</td><td><code>jump_view_left</code></td></tr>
|
|
<tr><td><code>j</code>, <code>Ctrl-j</code>, <code>Down</code></td><td>Move to split below</td><td><code>jump_view_down</code></td></tr>
|
|
<tr><td><code>k</code>, <code>Ctrl-k</code>, <code>Up</code></td><td>Move to split above</td><td><code>jump_view_up</code></td></tr>
|
|
<tr><td><code>l</code>, <code>Ctrl-l</code>, <code>Right</code></td><td>Move to right split</td><td><code>jump_view_right</code></td></tr>
|
|
<tr><td><code>q</code>, <code>Ctrl-q</code></td><td>Close current window</td><td><code>wclose</code></td></tr>
|
|
<tr><td><code>o</code>, <code>Ctrl-o</code></td><td>Only keep the current window, closing all the others</td><td><code>wonly</code></td></tr>
|
|
<tr><td><code>H</code></td><td>Swap window to the left</td><td><code>swap_view_left</code></td></tr>
|
|
<tr><td><code>J</code></td><td>Swap window downwards</td><td><code>swap_view_down</code></td></tr>
|
|
<tr><td><code>K</code></td><td>Swap window upwards</td><td><code>swap_view_up</code></td></tr>
|
|
<tr><td><code>L</code></td><td>Swap window to the right</td><td><code>swap_view_right</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h4 id="space-mode"><a class="header" href="#space-mode">Space mode</a></h4>
|
|
<p>This layer is a kludge of mappings, mostly pickers.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>f</code></td><td>Open file picker</td><td><code>file_picker</code></td></tr>
|
|
<tr><td><code>b</code></td><td>Open buffer picker</td><td><code>buffer_picker</code></td></tr>
|
|
<tr><td><code>k</code></td><td>Show documentation for item under cursor in a <a href="keymap.html#popup">popup</a> (<strong>LSP</strong>)</td><td><code>hover</code></td></tr>
|
|
<tr><td><code>s</code></td><td>Open document symbol picker (<strong>LSP</strong>)</td><td><code>symbol_picker</code></td></tr>
|
|
<tr><td><code>S</code></td><td>Open workspace symbol picker (<strong>LSP</strong>)</td><td><code>workspace_symbol_picker</code></td></tr>
|
|
<tr><td><code>g</code></td><td>Open document diagnostics picker (<strong>LSP</strong>)</td><td><code>diagnostics_picker</code></td></tr>
|
|
<tr><td><code>G</code></td><td>Open workspace diagnostics picker (<strong>LSP</strong>)</td><td><code>workspace_diagnostics_picker</code></td></tr>
|
|
<tr><td><code>r</code></td><td>Rename symbol (<strong>LSP</strong>)</td><td><code>rename_symbol</code></td></tr>
|
|
<tr><td><code>a</code></td><td>Apply code action (<strong>LSP</strong>)</td><td><code>code_action</code></td></tr>
|
|
<tr><td><code>'</code></td><td>Open last fuzzy picker</td><td><code>last_picker</code></td></tr>
|
|
<tr><td><code>w</code></td><td>Enter <a href="keymap.html#window-mode">window mode</a></td><td>N/A</td></tr>
|
|
<tr><td><code>p</code></td><td>Paste system clipboard after selections</td><td><code>paste_clipboard_after</code></td></tr>
|
|
<tr><td><code>P</code></td><td>Paste system clipboard before selections</td><td><code>paste_clipboard_before</code></td></tr>
|
|
<tr><td><code>y</code></td><td>Join and yank selections to clipboard</td><td><code>yank_joined_to_clipboard</code></td></tr>
|
|
<tr><td><code>Y</code></td><td>Yank main selection to clipboard</td><td><code>yank_main_selection_to_clipboard</code></td></tr>
|
|
<tr><td><code>R</code></td><td>Replace selections by clipboard contents</td><td><code>replace_selections_with_clipboard</code></td></tr>
|
|
<tr><td><code>/</code></td><td>Global search in workspace folder</td><td><code>global_search</code></td></tr>
|
|
<tr><td><code>?</code></td><td>Open command palette</td><td><code>command_palette</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<blockquote>
|
|
<p>TIP: Global search displays results in a fuzzy picker, use <code>space + '</code> to bring it back up after opening a file.</p>
|
|
</blockquote>
|
|
<h5 id="popup"><a class="header" href="#popup">Popup</a></h5>
|
|
<p>Displays documentation for item under cursor.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>Ctrl-u</code></td><td>Scroll up</td></tr>
|
|
<tr><td><code>Ctrl-d</code></td><td>Scroll down</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h4 id="unimpaired"><a class="header" href="#unimpaired">Unimpaired</a></h4>
|
|
<p>Mappings in the style of <a href="https://github.com/tpope/vim-unimpaired">vim-unimpaired</a>.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>[d</code></td><td>Go to previous diagnostic (<strong>LSP</strong>)</td><td><code>goto_prev_diag</code></td></tr>
|
|
<tr><td><code>]d</code></td><td>Go to next diagnostic (<strong>LSP</strong>)</td><td><code>goto_next_diag</code></td></tr>
|
|
<tr><td><code>[D</code></td><td>Go to first diagnostic in document (<strong>LSP</strong>)</td><td><code>goto_first_diag</code></td></tr>
|
|
<tr><td><code>]D</code></td><td>Go to last diagnostic in document (<strong>LSP</strong>)</td><td><code>goto_last_diag</code></td></tr>
|
|
<tr><td><code>]f</code></td><td>Go to next function (<strong>TS</strong>)</td><td><code>goto_next_function</code></td></tr>
|
|
<tr><td><code>[f</code></td><td>Go to previous function (<strong>TS</strong>)</td><td><code>goto_prev_function</code></td></tr>
|
|
<tr><td><code>]c</code></td><td>Go to next class (<strong>TS</strong>)</td><td><code>goto_next_class</code></td></tr>
|
|
<tr><td><code>[c</code></td><td>Go to previous class (<strong>TS</strong>)</td><td><code>goto_prev_class</code></td></tr>
|
|
<tr><td><code>]a</code></td><td>Go to next argument/parameter (<strong>TS</strong>)</td><td><code>goto_next_parameter</code></td></tr>
|
|
<tr><td><code>[a</code></td><td>Go to previous argument/parameter (<strong>TS</strong>)</td><td><code>goto_prev_parameter</code></td></tr>
|
|
<tr><td><code>]o</code></td><td>Go to next comment (<strong>TS</strong>)</td><td><code>goto_next_comment</code></td></tr>
|
|
<tr><td><code>[o</code></td><td>Go to previous comment (<strong>TS</strong>)</td><td><code>goto_prev_comment</code></td></tr>
|
|
<tr><td><code>]t</code></td><td>Go to next test (<strong>TS</strong>)</td><td><code>goto_next_test</code></td></tr>
|
|
<tr><td><code>]t</code></td><td>Go to previous test (<strong>TS</strong>)</td><td><code>goto_prev_test</code></td></tr>
|
|
<tr><td><code>]p</code></td><td>Go to next paragraph</td><td><code>goto_next_paragraph</code></td></tr>
|
|
<tr><td><code>[p</code></td><td>Go to previous paragraph</td><td><code>goto_prev_paragraph</code></td></tr>
|
|
<tr><td><code>[space</code></td><td>Add newline above</td><td><code>add_newline_above</code></td></tr>
|
|
<tr><td><code>]space</code></td><td>Add newline below</td><td><code>add_newline_below</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h2 id="insert-mode"><a class="header" href="#insert-mode">Insert Mode</a></h2>
|
|
<p>We support many readline/emacs style bindings in insert mode for
|
|
convenience. These can be helpful for making simple modifications
|
|
without escaping to normal mode, but beware that you will not have an
|
|
undo-able "save point" until you return to normal mode.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Command</th></tr></thead><tbody>
|
|
<tr><td><code>Escape</code></td><td>Switch to normal mode</td><td><code>normal_mode</code></td></tr>
|
|
<tr><td><code>Ctrl-x</code></td><td>Autocomplete</td><td><code>completion</code></td></tr>
|
|
<tr><td><code>Ctrl-r</code></td><td>Insert a register content</td><td><code>insert_register</code></td></tr>
|
|
<tr><td><code>Ctrl-w</code>, <code>Alt-Backspace</code>, <code>Ctrl-Backspace</code></td><td>Delete previous word</td><td><code>delete_word_backward</code></td></tr>
|
|
<tr><td><code>Alt-d</code>, <code>Alt-Delete</code>, <code>Ctrl-Delete</code></td><td>Delete next word</td><td><code>delete_word_forward</code></td></tr>
|
|
<tr><td><code>Alt-b</code>, <code>Ctrl-Left</code></td><td>Backward a word</td><td><code>move_prev_word_end</code></td></tr>
|
|
<tr><td><code>Ctrl-b</code>, <code>Left</code></td><td>Backward a char</td><td><code>move_char_left</code></td></tr>
|
|
<tr><td><code>Alt-f</code>, <code>Ctrl-Right</code></td><td>Forward a word</td><td><code>move_next_word_start</code></td></tr>
|
|
<tr><td><code>Ctrl-f</code>, <code>Right</code></td><td>Forward a char</td><td><code>move_char_right</code></td></tr>
|
|
<tr><td><code>Ctrl-e</code>, <code>End</code></td><td>Move to line end</td><td><code>goto_line_end_newline</code></td></tr>
|
|
<tr><td><code>Ctrl-a</code>, <code>Home</code></td><td>Move to line start</td><td><code>goto_line_start</code></td></tr>
|
|
<tr><td><code>Ctrl-u</code></td><td>Delete to start of line</td><td><code>kill_to_line_start</code></td></tr>
|
|
<tr><td><code>Ctrl-k</code></td><td>Delete to end of line</td><td><code>kill_to_line_end</code></td></tr>
|
|
<tr><td><code>Ctrl-j</code>, <code>Enter</code></td><td>Insert new line</td><td><code>insert_newline</code></td></tr>
|
|
<tr><td><code>Backspace</code>, <code>Ctrl-h</code></td><td>Delete previous char</td><td><code>delete_char_backward</code></td></tr>
|
|
<tr><td><code>Delete</code>, <code>Ctrl-d</code></td><td>Delete next char</td><td><code>delete_char_forward</code></td></tr>
|
|
<tr><td><code>Ctrl-p</code>, <code>Up</code></td><td>Move to previous line</td><td><code>move_line_up</code></td></tr>
|
|
<tr><td><code>Ctrl-n</code>, <code>Down</code></td><td>Move to next line</td><td><code>move_line_down</code></td></tr>
|
|
<tr><td><code>PageUp</code></td><td>Move one page up</td><td><code>page_up</code></td></tr>
|
|
<tr><td><code>PageDown</code></td><td>Move one page down</td><td><code>page_down</code></td></tr>
|
|
<tr><td><code>Alt-></code></td><td>Go to end of buffer</td><td><code>goto_file_end</code></td></tr>
|
|
<tr><td><code>Alt-<</code></td><td>Go to start of buffer</td><td><code>goto_file_start</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h2 id="select--extend-mode"><a class="header" href="#select--extend-mode">Select / extend mode</a></h2>
|
|
<p>This mode echoes Normal mode, but changes any movements to extend
|
|
selections rather than replace them. Goto motions are also changed to
|
|
extend, so that <code>vgl</code> for example extends the selection to the end of
|
|
the line.</p>
|
|
<p>Search is also affected. By default, <code>n</code> and <code>N</code> will remove the current
|
|
selection and select the next instance of the search term. Toggling this
|
|
mode before pressing <code>n</code> or <code>N</code> makes it possible to keep the current
|
|
selection. Toggling it on and off during your iterative searching allows
|
|
you to selectively add search terms to your selections.</p>
|
|
<h1 id="picker"><a class="header" href="#picker">Picker</a></h1>
|
|
<p>Keys to use within picker. Remapping currently not supported.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>Up</code>, <code>Ctrl-p</code></td><td>Previous entry</td></tr>
|
|
<tr><td><code>PageUp</code>, <code>Ctrl-u</code></td><td>Page up</td></tr>
|
|
<tr><td><code>Down</code>, <code>Ctrl-n</code></td><td>Next entry</td></tr>
|
|
<tr><td><code>PageDown</code>, <code>Ctrl-d</code></td><td>Page down</td></tr>
|
|
<tr><td><code>Home</code></td><td>Go to first entry</td></tr>
|
|
<tr><td><code>End</code></td><td>Go to last entry</td></tr>
|
|
<tr><td><code>Ctrl-space</code></td><td>Filter options</td></tr>
|
|
<tr><td><code>Enter</code></td><td>Open selected</td></tr>
|
|
<tr><td><code>Ctrl-s</code></td><td>Open horizontally</td></tr>
|
|
<tr><td><code>Ctrl-v</code></td><td>Open vertically</td></tr>
|
|
<tr><td><code>Ctrl-t</code></td><td>Toggle preview</td></tr>
|
|
<tr><td><code>Escape</code>, <code>Ctrl-c</code></td><td>Close picker</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h1 id="prompt"><a class="header" href="#prompt">Prompt</a></h1>
|
|
<p>Keys to use within prompt, Remapping currently not supported.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>Escape</code>, <code>Ctrl-c</code></td><td>Close prompt</td></tr>
|
|
<tr><td><code>Alt-b</code>, <code>Ctrl-Left</code></td><td>Backward a word</td></tr>
|
|
<tr><td><code>Ctrl-b</code>, <code>Left</code></td><td>Backward a char</td></tr>
|
|
<tr><td><code>Alt-f</code>, <code>Ctrl-Right</code></td><td>Forward a word</td></tr>
|
|
<tr><td><code>Ctrl-f</code>, <code>Right</code></td><td>Forward a char</td></tr>
|
|
<tr><td><code>Ctrl-e</code>, <code>End</code></td><td>Move prompt end</td></tr>
|
|
<tr><td><code>Ctrl-a</code>, <code>Home</code></td><td>Move prompt start</td></tr>
|
|
<tr><td><code>Ctrl-w</code>, <code>Alt-Backspace</code>, <code>Ctrl-Backspace</code></td><td>Delete previous word</td></tr>
|
|
<tr><td><code>Alt-d</code>, <code>Alt-Delete</code>, <code>Ctrl-Delete</code></td><td>Delete next word</td></tr>
|
|
<tr><td><code>Ctrl-u</code></td><td>Delete to start of line</td></tr>
|
|
<tr><td><code>Ctrl-k</code></td><td>Delete to end of line</td></tr>
|
|
<tr><td><code>backspace</code>, <code>Ctrl-h</code></td><td>Delete previous char</td></tr>
|
|
<tr><td><code>delete</code>, <code>Ctrl-d</code></td><td>Delete next char</td></tr>
|
|
<tr><td><code>Ctrl-s</code></td><td>Insert a word under doc cursor, may be changed to Ctrl-r Ctrl-w later</td></tr>
|
|
<tr><td><code>Ctrl-p</code>, <code>Up</code></td><td>Select previous history</td></tr>
|
|
<tr><td><code>Ctrl-n</code>, <code>Down</code></td><td>Select next history</td></tr>
|
|
<tr><td><code>Ctrl-r</code></td><td>Insert the content of the register selected by following input char</td></tr>
|
|
<tr><td><code>Tab</code></td><td>Select next completion item</td></tr>
|
|
<tr><td><code>BackTab</code></td><td>Select previous completion item</td></tr>
|
|
<tr><td><code>Enter</code></td><td>Open selected</td></tr>
|
|
</tbody></table>
|
|
</div><div style="break-before: page; page-break-before: always;"></div><h1 id="commands"><a class="header" href="#commands">Commands</a></h1>
|
|
<p>Command mode can be activated by pressing <code>:</code>, similar to vim. Built-in commands:</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>:quit</code>, <code>:q</code></td><td>Close the current view.</td></tr>
|
|
<tr><td><code>:quit!</code>, <code>:q!</code></td><td>Close the current view forcefully (ignoring unsaved changes).</td></tr>
|
|
<tr><td><code>:open</code>, <code>:o</code></td><td>Open a file from disk into the current view.</td></tr>
|
|
<tr><td><code>:buffer-close</code>, <code>:bc</code>, <code>:bclose</code></td><td>Close the current buffer.</td></tr>
|
|
<tr><td><code>:buffer-close!</code>, <code>:bc!</code>, <code>:bclose!</code></td><td>Close the current buffer forcefully (ignoring unsaved changes).</td></tr>
|
|
<tr><td><code>:buffer-close-others</code>, <code>:bco</code>, <code>:bcloseother</code></td><td>Close all buffers but the currently focused one.</td></tr>
|
|
<tr><td><code>:buffer-close-others!</code>, <code>:bco!</code>, <code>:bcloseother!</code></td><td>Close all buffers but the currently focused one.</td></tr>
|
|
<tr><td><code>:buffer-close-all</code>, <code>:bca</code>, <code>:bcloseall</code></td><td>Close all buffers, without quitting.</td></tr>
|
|
<tr><td><code>:buffer-close-all!</code>, <code>:bca!</code>, <code>:bcloseall!</code></td><td>Close all buffers forcefully (ignoring unsaved changes), without quitting.</td></tr>
|
|
<tr><td><code>:buffer-next</code>, <code>:bn</code>, <code>:bnext</code></td><td>Go to next buffer.</td></tr>
|
|
<tr><td><code>:buffer-previous</code>, <code>:bp</code>, <code>:bprev</code></td><td>Go to previous buffer.</td></tr>
|
|
<tr><td><code>:write</code>, <code>:w</code></td><td>Write changes to disk. Accepts an optional path (:write some/path.txt)</td></tr>
|
|
<tr><td><code>:write!</code>, <code>:w!</code></td><td>Write changes to disk forcefully (creating necessary subdirectories). Accepts an optional path (:write some/path.txt)</td></tr>
|
|
<tr><td><code>:new</code>, <code>:n</code></td><td>Create a new scratch buffer.</td></tr>
|
|
<tr><td><code>:format</code>, <code>:fmt</code></td><td>Format the file using the LSP formatter.</td></tr>
|
|
<tr><td><code>:indent-style</code></td><td>Set the indentation style for editing. ('t' for tabs or 1-8 for number of spaces.)</td></tr>
|
|
<tr><td><code>:line-ending</code></td><td>Set the document's default line ending. Options: crlf, lf.</td></tr>
|
|
<tr><td><code>:earlier</code>, <code>:ear</code></td><td>Jump back to an earlier point in edit history. Accepts a number of steps or a time span.</td></tr>
|
|
<tr><td><code>:later</code>, <code>:lat</code></td><td>Jump to a later point in edit history. Accepts a number of steps or a time span.</td></tr>
|
|
<tr><td><code>:write-quit</code>, <code>:wq</code>, <code>:x</code></td><td>Write changes to disk and close the current view. Accepts an optional path (:wq some/path.txt)</td></tr>
|
|
<tr><td><code>:write-quit!</code>, <code>:wq!</code>, <code>:x!</code></td><td>Write changes to disk and close the current view forcefully. Accepts an optional path (:wq! some/path.txt)</td></tr>
|
|
<tr><td><code>:write-all</code>, <code>:wa</code></td><td>Write changes from all buffers to disk.</td></tr>
|
|
<tr><td><code>:write-quit-all</code>, <code>:wqa</code>, <code>:xa</code></td><td>Write changes from all buffers to disk and close all views.</td></tr>
|
|
<tr><td><code>:write-quit-all!</code>, <code>:wqa!</code>, <code>:xa!</code></td><td>Write changes from all buffers to disk and close all views forcefully (ignoring unsaved changes).</td></tr>
|
|
<tr><td><code>:quit-all</code>, <code>:qa</code></td><td>Close all views.</td></tr>
|
|
<tr><td><code>:quit-all!</code>, <code>:qa!</code></td><td>Close all views forcefully (ignoring unsaved changes).</td></tr>
|
|
<tr><td><code>:cquit</code>, <code>:cq</code></td><td>Quit with exit code (default 1). Accepts an optional integer exit code (:cq 2).</td></tr>
|
|
<tr><td><code>:cquit!</code>, <code>:cq!</code></td><td>Quit with exit code (default 1) forcefully (ignoring unsaved changes). Accepts an optional integer exit code (:cq! 2).</td></tr>
|
|
<tr><td><code>:theme</code></td><td>Change the editor theme.</td></tr>
|
|
<tr><td><code>:clipboard-yank</code></td><td>Yank main selection into system clipboard.</td></tr>
|
|
<tr><td><code>:clipboard-yank-join</code></td><td>Yank joined selections into system clipboard. A separator can be provided as first argument. Default value is newline.</td></tr>
|
|
<tr><td><code>:primary-clipboard-yank</code></td><td>Yank main selection into system primary clipboard.</td></tr>
|
|
<tr><td><code>:primary-clipboard-yank-join</code></td><td>Yank joined selections into system primary clipboard. A separator can be provided as first argument. Default value is newline.</td></tr>
|
|
<tr><td><code>:clipboard-paste-after</code></td><td>Paste system clipboard after selections.</td></tr>
|
|
<tr><td><code>:clipboard-paste-before</code></td><td>Paste system clipboard before selections.</td></tr>
|
|
<tr><td><code>:clipboard-paste-replace</code></td><td>Replace selections with content of system clipboard.</td></tr>
|
|
<tr><td><code>:primary-clipboard-paste-after</code></td><td>Paste primary clipboard after selections.</td></tr>
|
|
<tr><td><code>:primary-clipboard-paste-before</code></td><td>Paste primary clipboard before selections.</td></tr>
|
|
<tr><td><code>:primary-clipboard-paste-replace</code></td><td>Replace selections with content of system primary clipboard.</td></tr>
|
|
<tr><td><code>:show-clipboard-provider</code></td><td>Show clipboard provider name in status bar.</td></tr>
|
|
<tr><td><code>:change-current-directory</code>, <code>:cd</code></td><td>Change the current working directory.</td></tr>
|
|
<tr><td><code>:show-directory</code>, <code>:pwd</code></td><td>Show the current working directory.</td></tr>
|
|
<tr><td><code>:encoding</code></td><td>Set encoding based on <code>https://encoding.spec.whatwg.org</code></td></tr>
|
|
<tr><td><code>:reload</code></td><td>Discard changes and reload from the source file.</td></tr>
|
|
<tr><td><code>:tree-sitter-scopes</code></td><td>Display tree sitter scopes, primarily for theming and development.</td></tr>
|
|
<tr><td><code>:debug-start</code>, <code>:dbg</code></td><td>Start a debug session from a given template with given parameters.</td></tr>
|
|
<tr><td><code>:debug-remote</code>, <code>:dbg-tcp</code></td><td>Connect to a debug adapter by TCP address and start a debugging session from a given template with given parameters.</td></tr>
|
|
<tr><td><code>:debug-eval</code></td><td>Evaluate expression in current debug context.</td></tr>
|
|
<tr><td><code>:vsplit</code>, <code>:vs</code></td><td>Open the file in a vertical split.</td></tr>
|
|
<tr><td><code>:vsplit-new</code>, <code>:vnew</code></td><td>Open a scratch buffer in a vertical split.</td></tr>
|
|
<tr><td><code>:hsplit</code>, <code>:hs</code>, <code>:sp</code></td><td>Open the file in a horizontal split.</td></tr>
|
|
<tr><td><code>:hsplit-new</code>, <code>:hnew</code></td><td>Open a scratch buffer in a horizontal split.</td></tr>
|
|
<tr><td><code>:tutor</code></td><td>Open the tutorial.</td></tr>
|
|
<tr><td><code>:goto</code>, <code>:g</code></td><td>Go to line number.</td></tr>
|
|
<tr><td><code>:set-language</code>, <code>:lang</code></td><td>Set the language of current buffer.</td></tr>
|
|
<tr><td><code>:set-option</code>, <code>:set</code></td><td>Set a config option at runtime.<br>For example to disable smart case search, use <code>:set search.smart-case false</code>.</td></tr>
|
|
<tr><td><code>:get-option</code>, <code>:get</code></td><td>Get the current value of a config option.</td></tr>
|
|
<tr><td><code>:sort</code></td><td>Sort ranges in selection.</td></tr>
|
|
<tr><td><code>:rsort</code></td><td>Sort ranges in selection in reverse order.</td></tr>
|
|
<tr><td><code>:reflow</code></td><td>Hard-wrap the current selection of lines to a given width.</td></tr>
|
|
<tr><td><code>:tree-sitter-subtree</code>, <code>:ts-subtree</code></td><td>Display tree sitter subtree under cursor, primarily for debugging queries.</td></tr>
|
|
<tr><td><code>:config-reload</code></td><td>Refreshes helix's config.</td></tr>
|
|
<tr><td><code>:config-open</code></td><td>Open the helix config.toml file.</td></tr>
|
|
<tr><td><code>:log-open</code></td><td>Open the helix log file.</td></tr>
|
|
<tr><td><code>:insert-output</code></td><td>Run shell command, inserting output after each selection.</td></tr>
|
|
<tr><td><code>:append-output</code></td><td>Run shell command, appending output after each selection.</td></tr>
|
|
<tr><td><code>:pipe</code></td><td>Pipe each selection to the shell command.</td></tr>
|
|
<tr><td><code>:run-shell-command</code>, <code>:sh</code></td><td>Run a shell command</td></tr>
|
|
</tbody></table>
|
|
</div><div style="break-before: page; page-break-before: always;"></div><h1 id="language-support"><a class="header" href="#language-support">Language Support</a></h1>
|
|
<p>The following languages and Language Servers are supported. In order to use
|
|
Language Server features, you must first <a href="https://github.com/helix-editor/helix/wiki/How-to-install-the-default-language-servers">install</a> the
|
|
appropriate Language Server.</p>
|
|
<p>Check the language support in your installed helix version with <code>hx --health</code>.</p>
|
|
<p>Also see the <a href="./languages.html">Language Configuration</a> docs and the <a href="./guides/adding_languages.html">Adding
|
|
Languages</a> guide for more language configuration information.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Language</th><th>Syntax Highlighting</th><th>Treesitter Textobjects</th><th>Auto Indent</th><th>Default LSP</th></tr></thead><tbody>
|
|
<tr><td>bash</td><td>✓</td><td></td><td></td><td><code>bash-language-server</code></td></tr>
|
|
<tr><td>c</td><td>✓</td><td>✓</td><td>✓</td><td><code>clangd</code></td></tr>
|
|
<tr><td>c-sharp</td><td>✓</td><td></td><td></td><td><code>OmniSharp</code></td></tr>
|
|
<tr><td>cairo</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>clojure</td><td>✓</td><td></td><td></td><td><code>clojure-lsp</code></td></tr>
|
|
<tr><td>cmake</td><td>✓</td><td>✓</td><td>✓</td><td><code>cmake-language-server</code></td></tr>
|
|
<tr><td>comment</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>cpon</td><td>✓</td><td></td><td>✓</td><td></td></tr>
|
|
<tr><td>cpp</td><td>✓</td><td>✓</td><td>✓</td><td><code>clangd</code></td></tr>
|
|
<tr><td>css</td><td>✓</td><td></td><td></td><td><code>vscode-css-language-server</code></td></tr>
|
|
<tr><td>dart</td><td>✓</td><td></td><td>✓</td><td><code>dart</code></td></tr>
|
|
<tr><td>devicetree</td><td>✓</td><td></td><td>✓</td><td></td></tr>
|
|
<tr><td>dockerfile</td><td>✓</td><td></td><td></td><td><code>docker-langserver</code></td></tr>
|
|
<tr><td>edoc</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>eex</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>ejs</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>elixir</td><td>✓</td><td>✓</td><td></td><td><code>elixir-ls</code></td></tr>
|
|
<tr><td>elm</td><td>✓</td><td></td><td></td><td><code>elm-language-server</code></td></tr>
|
|
<tr><td>elvish</td><td>✓</td><td></td><td></td><td><code>elvish</code></td></tr>
|
|
<tr><td>erb</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>erlang</td><td>✓</td><td>✓</td><td></td><td><code>erlang_ls</code></td></tr>
|
|
<tr><td>fish</td><td>✓</td><td>✓</td><td>✓</td><td></td></tr>
|
|
<tr><td>fortran</td><td>✓</td><td></td><td>✓</td><td><code>fortls</code></td></tr>
|
|
<tr><td>gdscript</td><td>✓</td><td></td><td>✓</td><td></td></tr>
|
|
<tr><td>git-attributes</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>git-commit</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>git-config</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>git-diff</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>git-ignore</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>git-rebase</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>gleam</td><td>✓</td><td>✓</td><td></td><td></td></tr>
|
|
<tr><td>glsl</td><td>✓</td><td>✓</td><td>✓</td><td></td></tr>
|
|
<tr><td>go</td><td>✓</td><td>✓</td><td>✓</td><td><code>gopls</code></td></tr>
|
|
<tr><td>gomod</td><td>✓</td><td></td><td></td><td><code>gopls</code></td></tr>
|
|
<tr><td>gowork</td><td>✓</td><td></td><td></td><td><code>gopls</code></td></tr>
|
|
<tr><td>graphql</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>hare</td><td>✓</td><td></td><td>✓</td><td></td></tr>
|
|
<tr><td>haskell</td><td>✓</td><td></td><td></td><td><code>haskell-language-server-wrapper</code></td></tr>
|
|
<tr><td>hcl</td><td>✓</td><td></td><td>✓</td><td><code>terraform-ls</code></td></tr>
|
|
<tr><td>heex</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>html</td><td>✓</td><td></td><td></td><td><code>vscode-html-language-server</code></td></tr>
|
|
<tr><td>idris</td><td></td><td></td><td></td><td><code>idris2-lsp</code></td></tr>
|
|
<tr><td>iex</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>java</td><td>✓</td><td></td><td></td><td><code>jdtls</code></td></tr>
|
|
<tr><td>javascript</td><td>✓</td><td></td><td>✓</td><td><code>typescript-language-server</code></td></tr>
|
|
<tr><td>jsdoc</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>json</td><td>✓</td><td></td><td>✓</td><td><code>vscode-json-language-server</code></td></tr>
|
|
<tr><td>jsx</td><td>✓</td><td></td><td>✓</td><td><code>typescript-language-server</code></td></tr>
|
|
<tr><td>julia</td><td>✓</td><td></td><td></td><td><code>julia</code></td></tr>
|
|
<tr><td>kotlin</td><td>✓</td><td></td><td></td><td><code>kotlin-language-server</code></td></tr>
|
|
<tr><td>latex</td><td>✓</td><td></td><td></td><td><code>texlab</code></td></tr>
|
|
<tr><td>lean</td><td>✓</td><td></td><td></td><td><code>lean</code></td></tr>
|
|
<tr><td>ledger</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>llvm</td><td>✓</td><td>✓</td><td>✓</td><td></td></tr>
|
|
<tr><td>llvm-mir</td><td>✓</td><td>✓</td><td>✓</td><td></td></tr>
|
|
<tr><td>llvm-mir-yaml</td><td>✓</td><td></td><td>✓</td><td></td></tr>
|
|
<tr><td>lua</td><td>✓</td><td></td><td>✓</td><td><code>lua-language-server</code></td></tr>
|
|
<tr><td>make</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>markdown</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>meson</td><td>✓</td><td></td><td>✓</td><td></td></tr>
|
|
<tr><td>mint</td><td></td><td></td><td></td><td><code>mint</code></td></tr>
|
|
<tr><td>nickel</td><td>✓</td><td></td><td>✓</td><td><code>nls</code></td></tr>
|
|
<tr><td>nix</td><td>✓</td><td></td><td>✓</td><td><code>rnix-lsp</code></td></tr>
|
|
<tr><td>nu</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>ocaml</td><td>✓</td><td></td><td>✓</td><td><code>ocamllsp</code></td></tr>
|
|
<tr><td>ocaml-interface</td><td>✓</td><td></td><td></td><td><code>ocamllsp</code></td></tr>
|
|
<tr><td>odin</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>openscad</td><td>✓</td><td></td><td></td><td><code>openscad-language-server</code></td></tr>
|
|
<tr><td>org</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>perl</td><td>✓</td><td>✓</td><td>✓</td><td></td></tr>
|
|
<tr><td>php</td><td>✓</td><td>✓</td><td>✓</td><td><code>intelephense</code></td></tr>
|
|
<tr><td>prisma</td><td>✓</td><td></td><td></td><td><code>prisma-language-server</code></td></tr>
|
|
<tr><td>prolog</td><td></td><td></td><td></td><td><code>swipl</code></td></tr>
|
|
<tr><td>protobuf</td><td>✓</td><td></td><td>✓</td><td></td></tr>
|
|
<tr><td>python</td><td>✓</td><td>✓</td><td></td><td><code>pylsp</code></td></tr>
|
|
<tr><td>r</td><td>✓</td><td></td><td></td><td><code>R</code></td></tr>
|
|
<tr><td>racket</td><td></td><td></td><td></td><td><code>racket</code></td></tr>
|
|
<tr><td>regex</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>rescript</td><td>✓</td><td>✓</td><td></td><td><code>rescript-language-server</code></td></tr>
|
|
<tr><td>rmarkdown</td><td>✓</td><td></td><td>✓</td><td><code>R</code></td></tr>
|
|
<tr><td>ron</td><td>✓</td><td></td><td>✓</td><td></td></tr>
|
|
<tr><td>ruby</td><td>✓</td><td>✓</td><td>✓</td><td><code>solargraph</code></td></tr>
|
|
<tr><td>rust</td><td>✓</td><td>✓</td><td>✓</td><td><code>rust-analyzer</code></td></tr>
|
|
<tr><td>scala</td><td>✓</td><td></td><td>✓</td><td><code>metals</code></td></tr>
|
|
<tr><td>scheme</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>scss</td><td>✓</td><td></td><td></td><td><code>vscode-css-language-server</code></td></tr>
|
|
<tr><td>solidity</td><td>✓</td><td></td><td></td><td><code>solc</code></td></tr>
|
|
<tr><td>sql</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>sshclientconfig</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>starlark</td><td>✓</td><td>✓</td><td></td><td></td></tr>
|
|
<tr><td>svelte</td><td>✓</td><td></td><td>✓</td><td><code>svelteserver</code></td></tr>
|
|
<tr><td>swift</td><td>✓</td><td></td><td></td><td><code>sourcekit-lsp</code></td></tr>
|
|
<tr><td>tablegen</td><td>✓</td><td>✓</td><td>✓</td><td></td></tr>
|
|
<tr><td>tfvars</td><td></td><td></td><td></td><td><code>terraform-ls</code></td></tr>
|
|
<tr><td>toml</td><td>✓</td><td></td><td></td><td><code>taplo</code></td></tr>
|
|
<tr><td>tsq</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>tsx</td><td>✓</td><td></td><td></td><td><code>typescript-language-server</code></td></tr>
|
|
<tr><td>twig</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>typescript</td><td>✓</td><td></td><td>✓</td><td><code>typescript-language-server</code></td></tr>
|
|
<tr><td>ungrammar</td><td>✓</td><td></td><td></td><td></td></tr>
|
|
<tr><td>v</td><td>✓</td><td></td><td></td><td><code>vls</code></td></tr>
|
|
<tr><td>vala</td><td>✓</td><td></td><td></td><td><code>vala-language-server</code></td></tr>
|
|
<tr><td>verilog</td><td>✓</td><td>✓</td><td></td><td><code>svlangserver</code></td></tr>
|
|
<tr><td>vue</td><td>✓</td><td></td><td></td><td><code>vls</code></td></tr>
|
|
<tr><td>wgsl</td><td>✓</td><td></td><td></td><td><code>wgsl_analyzer</code></td></tr>
|
|
<tr><td>yaml</td><td>✓</td><td></td><td>✓</td><td><code>yaml-language-server</code></td></tr>
|
|
<tr><td>zig</td><td>✓</td><td></td><td>✓</td><td><code>zls</code></td></tr>
|
|
</tbody></table>
|
|
</div><div style="break-before: page; page-break-before: always;"></div><h1 id="migrating-from-vim"><a class="header" href="#migrating-from-vim">Migrating from Vim</a></h1>
|
|
<p>Helix's editing model is strongly inspired from vim and kakoune, and a notable
|
|
difference from vim (and the most striking similarity to kakoune) is that Helix
|
|
follows the <code>selection → action</code> model. This means that the whatever you are
|
|
going to act on (a word, a paragraph, a line, etc) is selected first and the
|
|
action itself (delete, change, yank, etc) comes second. A cursor is simply a
|
|
single width selection.</p>
|
|
<p>See also Kakoune's <a href="https://github.com/mawww/kakoune/wiki/Migrating-from-Vim">Migrating from Vim</a> and Helix's <a href="https://github.com/helix-editor/helix/wiki/Migrating-from-Vim">Migrating from Vim</a>.</p>
|
|
<blockquote>
|
|
<p>TODO: Mention textobjects, surround, registers</p>
|
|
</blockquote>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="configuration"><a class="header" href="#configuration">Configuration</a></h1>
|
|
<p>To override global configuration parameters, create a <code>config.toml</code> file located in your config directory:</p>
|
|
<ul>
|
|
<li>Linux and Mac: <code>~/.config/helix/config.toml</code></li>
|
|
<li>Windows: <code>%AppData%\helix\config.toml</code></li>
|
|
</ul>
|
|
<blockquote>
|
|
<p>Hint: You can easily open the config file by typing <code>:config-open</code> within Helix normal mode.</p>
|
|
</blockquote>
|
|
<p>Example config:</p>
|
|
<pre><code class="language-toml">theme = "onedark"
|
|
|
|
[editor]
|
|
line-number = "relative"
|
|
mouse = false
|
|
|
|
[editor.cursor-shape]
|
|
insert = "bar"
|
|
normal = "block"
|
|
select = "underline"
|
|
|
|
[editor.file-picker]
|
|
hidden = false
|
|
</code></pre>
|
|
<h2 id="editor"><a class="header" href="#editor">Editor</a></h2>
|
|
<h3 id="editor-section"><a class="header" href="#editor-section"><code>[editor]</code> Section</a></h3>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Default</th></tr></thead><tbody>
|
|
<tr><td><code>scrolloff</code></td><td>Number of lines of padding around the edge of the screen when scrolling.</td><td><code>3</code></td></tr>
|
|
<tr><td><code>mouse</code></td><td>Enable mouse mode.</td><td><code>true</code></td></tr>
|
|
<tr><td><code>middle-click-paste</code></td><td>Middle click paste support.</td><td><code>true</code></td></tr>
|
|
<tr><td><code>scroll-lines</code></td><td>Number of lines to scroll per scroll wheel step.</td><td><code>3</code></td></tr>
|
|
<tr><td><code>shell</code></td><td>Shell to use when running external commands.</td><td>Unix: <code>["sh", "-c"]</code><br/>Windows: <code>["cmd", "/C"]</code></td></tr>
|
|
<tr><td><code>line-number</code></td><td>Line number display: <code>absolute</code> simply shows each line's number, while <code>relative</code> shows the distance from the current line. When unfocused or in insert mode, <code>relative</code> will still show absolute line numbers.</td><td><code>absolute</code></td></tr>
|
|
<tr><td><code>cursorline</code></td><td>Highlight all lines with a cursor.</td><td><code>false</code></td></tr>
|
|
<tr><td><code>gutters</code></td><td>Gutters to display: Available are <code>diagnostics</code> and <code>line-numbers</code> and <code>padding</code>, note that <code>diagnostics</code> also includes other features like breakpoints</td><td><code>["diagnostics", "line-numbers", "padding"]</code></td></tr>
|
|
<tr><td><code>auto-completion</code></td><td>Enable automatic pop up of auto-completion.</td><td><code>true</code></td></tr>
|
|
<tr><td><code>auto-format</code></td><td>Enable automatic formatting on save.</td><td><code>true</code></td></tr>
|
|
<tr><td><code>idle-timeout</code></td><td>Time in milliseconds since last keypress before idle timers trigger. Used for autocompletion, set to 0 for instant.</td><td><code>400</code></td></tr>
|
|
<tr><td><code>completion-trigger-len</code></td><td>The min-length of word under cursor to trigger autocompletion</td><td><code>2</code></td></tr>
|
|
<tr><td><code>auto-info</code></td><td>Whether to display infoboxes</td><td><code>true</code></td></tr>
|
|
<tr><td><code>true-color</code></td><td>Set to <code>true</code> to override automatic detection of terminal truecolor support in the event of a false negative.</td><td><code>false</code></td></tr>
|
|
<tr><td><code>rulers</code></td><td>List of column positions at which to display the rulers. Can be overridden by language specific <code>rulers</code> in <code>languages.toml</code> file.</td><td><code>[]</code></td></tr>
|
|
<tr><td><code>color-modes</code></td><td>Whether to color the mode indicator with different colors depending on the mode itself</td><td><code>false</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="editorstatusline-section"><a class="header" href="#editorstatusline-section"><code>[editor.statusline]</code> Section</a></h3>
|
|
<p>Allows configuring the statusline at the bottom of the editor.</p>
|
|
<p>The configuration distinguishes between three areas of the status line:</p>
|
|
<p><code>[ ... ... LEFT ... ... | ... ... ... ... CENTER ... ... ... ... | ... ... RIGHT ... ... ]</code></p>
|
|
<p>Statusline elements can be defined as follows:</p>
|
|
<pre><code class="language-toml">[editor.statusline]
|
|
left = ["mode", "spinner"]
|
|
center = ["file-name"]
|
|
right = ["diagnostics", "selections", "position", "file-encoding", "file-type"]
|
|
</code></pre>
|
|
<p>The following elements can be configured:</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>mode</code></td><td>The current editor mode (<code>NOR</code>/<code>INS</code>/<code>SEL</code>)</td></tr>
|
|
<tr><td><code>spinner</code></td><td>A progress spinner indicating LSP activity</td></tr>
|
|
<tr><td><code>file-name</code></td><td>The path/name of the opened file</td></tr>
|
|
<tr><td><code>file-encoding</code></td><td>The encoding of the opened file if it differs from UTF-8</td></tr>
|
|
<tr><td><code>file-type</code></td><td>The type of the opened file</td></tr>
|
|
<tr><td><code>diagnostics</code></td><td>The number of warnings and/or errors</td></tr>
|
|
<tr><td><code>selections</code></td><td>The number of active selections</td></tr>
|
|
<tr><td><code>position</code></td><td>The cursor position</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="editorlsp-section"><a class="header" href="#editorlsp-section"><code>[editor.lsp]</code> Section</a></h3>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Default</th></tr></thead><tbody>
|
|
<tr><td><code>display-messages</code></td><td>Display LSP progress messages below statusline<sup class="footnote-reference"><a href="#1">1</a></sup></td><td><code>false</code></td></tr>
|
|
<tr><td><code>auto-signature-help</code></td><td>Enable automatic popup of signature help (parameter hints)</td><td><code>true</code></td></tr>
|
|
<tr><td><code>display-signature-help-docs</code></td><td>Display docs under signature help popup</td><td><code>true</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<div class="footnote-definition" id="1"><sup class="footnote-definition-label">1</sup>
|
|
<p>By default, a progress spinner is shown in the statusline beside the file path.</p>
|
|
</div>
|
|
<h3 id="editorcursor-shape-section"><a class="header" href="#editorcursor-shape-section"><code>[editor.cursor-shape]</code> Section</a></h3>
|
|
<p>Defines the shape of cursor in each mode. Note that due to limitations
|
|
of the terminal environment, only the primary cursor can change shape.
|
|
Valid values for these options are <code>block</code>, <code>bar</code>, <code>underline</code>, or <code>hidden</code>.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Default</th></tr></thead><tbody>
|
|
<tr><td><code>normal</code></td><td>Cursor shape in <a href="./keymap.html#normal-mode">normal mode</a></td><td><code>block</code></td></tr>
|
|
<tr><td><code>insert</code></td><td>Cursor shape in <a href="./keymap.html#insert-mode">insert mode</a></td><td><code>block</code></td></tr>
|
|
<tr><td><code>select</code></td><td>Cursor shape in <a href="./keymap.html#select--extend-mode">select mode</a></td><td><code>block</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="editorfile-picker-section"><a class="header" href="#editorfile-picker-section"><code>[editor.file-picker]</code> Section</a></h3>
|
|
<p>Sets options for file picker and global search. All but the last key listed in
|
|
the default file-picker configuration below are IgnoreOptions: whether hidden
|
|
files and files listed within ignore files are ignored by (not visible in) the
|
|
helix file picker and global search. There is also one other key, <code>max-depth</code>
|
|
available, which is not defined by default.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Default</th></tr></thead><tbody>
|
|
<tr><td><code>hidden</code></td><td>Enables ignoring hidden files.</td><td>true</td></tr>
|
|
<tr><td><code>parents</code></td><td>Enables reading ignore files from parent directories.</td><td>true</td></tr>
|
|
<tr><td><code>ignore</code></td><td>Enables reading <code>.ignore</code> files.</td><td>true</td></tr>
|
|
<tr><td><code>git-ignore</code></td><td>Enables reading <code>.gitignore</code> files.</td><td>true</td></tr>
|
|
<tr><td><code>git-global</code></td><td>Enables reading global .gitignore, whose path is specified in git's config: <code>core.excludefile</code> option.</td><td>true</td></tr>
|
|
<tr><td><code>git-exclude</code></td><td>Enables reading <code>.git/info/exclude</code> files.</td><td>true</td></tr>
|
|
<tr><td><code>max-depth</code></td><td>Set with an integer value for maximum depth to recurse.</td><td>Defaults to <code>None</code>.</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="editorauto-pairs-section"><a class="header" href="#editorauto-pairs-section"><code>[editor.auto-pairs]</code> Section</a></h3>
|
|
<p>Enables automatic insertion of pairs to parentheses, brackets, etc. Can be a
|
|
simple boolean value, or a specific mapping of pairs of single characters.</p>
|
|
<p>To disable auto-pairs altogether, set <code>auto-pairs</code> to <code>false</code>:</p>
|
|
<pre><code class="language-toml">[editor]
|
|
auto-pairs = false # defaults to `true`
|
|
</code></pre>
|
|
<p>The default pairs are <code>(){}[]''""``</code>, but these can be customized by
|
|
setting <code>auto-pairs</code> to a TOML table:</p>
|
|
<pre><code class="language-toml">[editor.auto-pairs]
|
|
'(' = ')'
|
|
'{' = '}'
|
|
'[' = ']'
|
|
'"' = '"'
|
|
'`' = '`'
|
|
'<' = '>'
|
|
</code></pre>
|
|
<p>Additionally, this setting can be used in a language config. Unless
|
|
the editor setting is <code>false</code>, this will override the editor config in
|
|
documents with this language.</p>
|
|
<p>Example <code>languages.toml</code> that adds <> and removes ''</p>
|
|
<pre><code class="language-toml">[[language]]
|
|
name = "rust"
|
|
|
|
[language.auto-pairs]
|
|
'(' = ')'
|
|
'{' = '}'
|
|
'[' = ']'
|
|
'"' = '"'
|
|
'`' = '`'
|
|
'<' = '>'
|
|
</code></pre>
|
|
<h3 id="editorsearch-section"><a class="header" href="#editorsearch-section"><code>[editor.search]</code> Section</a></h3>
|
|
<p>Search specific options.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Default</th></tr></thead><tbody>
|
|
<tr><td><code>smart-case</code></td><td>Enable smart case regex searching (case insensitive unless pattern contains upper case characters)</td><td><code>true</code></td></tr>
|
|
<tr><td><code>wrap-around</code></td><td>Whether the search should wrap after depleting the matches</td><td><code>true</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="editorwhitespace-section"><a class="header" href="#editorwhitespace-section"><code>[editor.whitespace]</code> Section</a></h3>
|
|
<p>Options for rendering whitespace with visible characters. Use <code>:set whitespace.render all</code> to temporarily enable visible whitespace.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Default</th></tr></thead><tbody>
|
|
<tr><td><code>render</code></td><td>Whether to render whitespace. May either be <code>"all"</code> or <code>"none"</code>, or a table with sub-keys <code>space</code>, <code>tab</code>, and <code>newline</code>.</td><td><code>"none"</code></td></tr>
|
|
<tr><td><code>characters</code></td><td>Literal characters to use when rendering whitespace. Sub-keys may be any of <code>tab</code>, <code>space</code>, <code>nbsp</code> or <code>newline</code></td><td>See example below</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<p>Example</p>
|
|
<pre><code class="language-toml">[editor.whitespace]
|
|
render = "all"
|
|
# or control each character
|
|
[editor.whitespace.render]
|
|
space = "all"
|
|
tab = "all"
|
|
newline = "none"
|
|
|
|
[editor.whitespace.characters]
|
|
space = "·"
|
|
nbsp = "⍽"
|
|
tab = "→"
|
|
newline = "⏎"
|
|
</code></pre>
|
|
<h3 id="editorindent-guides-section"><a class="header" href="#editorindent-guides-section"><code>[editor.indent-guides]</code> Section</a></h3>
|
|
<p>Options for rendering vertical indent guides.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th><th>Default</th></tr></thead><tbody>
|
|
<tr><td><code>render</code></td><td>Whether to render indent guides.</td><td><code>false</code></td></tr>
|
|
<tr><td><code>character</code></td><td>Literal character to use for rendering the indent guide</td><td><code>│</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<p>Example:</p>
|
|
<pre><code class="language-toml">[editor.indent-guides]
|
|
render = true
|
|
character = "╎"
|
|
</code></pre>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="themes"><a class="header" href="#themes">Themes</a></h1>
|
|
<p>To use a theme add <code>theme = "<name>"</code> to your <a href="./configuration.html"><code>config.toml</code></a> at the very top of the file before the first section or select it during runtime using <code>:theme <name></code>.</p>
|
|
<h2 id="creating-a-theme"><a class="header" href="#creating-a-theme">Creating a theme</a></h2>
|
|
<p>Create a file with the name of your theme as file name (i.e <code>mytheme.toml</code>) and place it in your <code>themes</code> directory (i.e <code>~/.config/helix/themes</code>). The directory might have to be created beforehand.</p>
|
|
<p>The names "default" and "base16_default" are reserved for the builtin themes and cannot be overridden by user defined themes.</p>
|
|
<p>The default theme.toml can be found <a href="https://github.com/helix-editor/helix/blob/master/theme.toml">here</a>, and user submitted themes <a href="https://github.com/helix-editor/helix/blob/master/runtime/themes">here</a>. </p>
|
|
<p>Each line in the theme file is specified as below:</p>
|
|
<pre><code class="language-toml">key = { fg = "#ffffff", bg = "#000000", modifiers = ["bold", "italic"] }
|
|
</code></pre>
|
|
<p>where <code>key</code> represents what you want to style, <code>fg</code> specifies the foreground color, <code>bg</code> the background color, and <code>modifiers</code> is a list of style modifiers. <code>bg</code> and <code>modifiers</code> can be omitted to defer to the defaults.</p>
|
|
<p>To specify only the foreground color:</p>
|
|
<pre><code class="language-toml">key = "#ffffff"
|
|
</code></pre>
|
|
<p>if the key contains a dot <code>'.'</code>, it must be quoted to prevent it being parsed as a <a href="https://toml.io/en/v1.0.0#keys">dotted key</a>.</p>
|
|
<pre><code class="language-toml">"key.key" = "#ffffff"
|
|
</code></pre>
|
|
<h3 id="color-palettes"><a class="header" href="#color-palettes">Color palettes</a></h3>
|
|
<p>It's recommended define a palette of named colors, and refer to them from the
|
|
configuration values in your theme. To do this, add a table called
|
|
<code>palette</code> to your theme file:</p>
|
|
<pre><code class="language-toml">"ui.background" = "white"
|
|
"ui.text" = "black"
|
|
|
|
[palette]
|
|
white = "#ffffff"
|
|
black = "#000000"
|
|
</code></pre>
|
|
<p>Remember that the <code>[palette]</code> table includes all keys after its header,
|
|
so you should define the palette after normal theme options.</p>
|
|
<p>The default palette uses the terminal's default 16 colors, and the colors names
|
|
are listed below. The <code>[palette]</code> section in the config file takes precedence
|
|
over it and is merged into the default palette.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Color Name</th></tr></thead><tbody>
|
|
<tr><td><code>black</code></td></tr>
|
|
<tr><td><code>red</code></td></tr>
|
|
<tr><td><code>green</code></td></tr>
|
|
<tr><td><code>yellow</code></td></tr>
|
|
<tr><td><code>blue</code></td></tr>
|
|
<tr><td><code>magenta</code></td></tr>
|
|
<tr><td><code>cyan</code></td></tr>
|
|
<tr><td><code>gray</code></td></tr>
|
|
<tr><td><code>light-red</code></td></tr>
|
|
<tr><td><code>light-green</code></td></tr>
|
|
<tr><td><code>light-yellow</code></td></tr>
|
|
<tr><td><code>light-blue</code></td></tr>
|
|
<tr><td><code>light-magenta</code></td></tr>
|
|
<tr><td><code>light-cyan</code></td></tr>
|
|
<tr><td><code>light-gray</code></td></tr>
|
|
<tr><td><code>white</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="modifiers"><a class="header" href="#modifiers">Modifiers</a></h3>
|
|
<p>The following values may be used as modifiers. </p>
|
|
<p>Less common modifiers might not be supported by your terminal emulator.</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Modifier</th></tr></thead><tbody>
|
|
<tr><td><code>bold</code></td></tr>
|
|
<tr><td><code>dim</code></td></tr>
|
|
<tr><td><code>italic</code></td></tr>
|
|
<tr><td><code>underlined</code></td></tr>
|
|
<tr><td><code>slow_blink</code></td></tr>
|
|
<tr><td><code>rapid_blink</code></td></tr>
|
|
<tr><td><code>reversed</code></td></tr>
|
|
<tr><td><code>hidden</code></td></tr>
|
|
<tr><td><code>crossed_out</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="scopes"><a class="header" href="#scopes">Scopes</a></h3>
|
|
<p>The following is a list of scopes available to use for styling.</p>
|
|
<h4 id="syntax-highlighting"><a class="header" href="#syntax-highlighting">Syntax highlighting</a></h4>
|
|
<p>These keys match <a href="https://tree-sitter.github.io/tree-sitter/syntax-highlighting#theme">tree-sitter scopes</a>.</p>
|
|
<p>For a given highlight produced, styling will be determined based on the longest matching theme key. For example, the highlight <code>function.builtin.static</code> would match the key <code>function.builtin</code> rather than <code>function</code>.</p>
|
|
<p>We use a similar set of scopes as
|
|
<a href="https://www.sublimetext.com/docs/scope_naming.html">SublimeText</a>. See also
|
|
<a href="https://macromates.com/manual/en/language_grammars">TextMate</a> scopes.</p>
|
|
<ul>
|
|
<li>
|
|
<p><code>type</code> - Types</p>
|
|
<ul>
|
|
<li><code>builtin</code> - Primitive types provided by the language (<code>int</code>, <code>usize</code>)</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>constructor</code></p>
|
|
</li>
|
|
<li>
|
|
<p><code>constant</code> (TODO: constant.other.placeholder for %v)</p>
|
|
<ul>
|
|
<li><code>builtin</code> Special constants provided by the language (<code>true</code>, <code>false</code>, <code>nil</code> etc)
|
|
<ul>
|
|
<li><code>boolean</code></li>
|
|
</ul>
|
|
</li>
|
|
<li><code>character</code>
|
|
<ul>
|
|
<li><code>escape</code></li>
|
|
</ul>
|
|
</li>
|
|
<li><code>numeric</code> (numbers)
|
|
<ul>
|
|
<li><code>integer</code></li>
|
|
<li><code>float</code></li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>string</code> (TODO: string.quoted.{single, double}, string.raw/.unquoted)?</p>
|
|
<ul>
|
|
<li><code>regexp</code> - Regular expressions</li>
|
|
<li><code>special</code>
|
|
<ul>
|
|
<li><code>path</code></li>
|
|
<li><code>url</code></li>
|
|
<li><code>symbol</code> - Erlang/Elixir atoms, Ruby symbols, Clojure keywords</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>comment</code> - Code comments</p>
|
|
<ul>
|
|
<li><code>line</code> - Single line comments (<code>//</code>)</li>
|
|
<li><code>block</code> - Block comments (e.g. (<code>/* */</code>)
|
|
<ul>
|
|
<li><code>documentation</code> - Documentation comments (e.g. <code>///</code> in Rust)</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>variable</code> - Variables</p>
|
|
<ul>
|
|
<li><code>builtin</code> - Reserved language variables (<code>self</code>, <code>this</code>, <code>super</code>, etc)</li>
|
|
<li><code>parameter</code> - Function parameters</li>
|
|
<li><code>other</code>
|
|
<ul>
|
|
<li><code>member</code> - Fields of composite data types (e.g. structs, unions)</li>
|
|
</ul>
|
|
</li>
|
|
<li><code>function</code> (TODO: ?)</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>label</code></p>
|
|
</li>
|
|
<li>
|
|
<p><code>punctuation</code></p>
|
|
<ul>
|
|
<li><code>delimiter</code> - Commas, colons</li>
|
|
<li><code>bracket</code> - Parentheses, angle brackets, etc.</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>keyword</code></p>
|
|
<ul>
|
|
<li><code>control</code>
|
|
<ul>
|
|
<li><code>conditional</code> - <code>if</code>, <code>else</code></li>
|
|
<li><code>repeat</code> - <code>for</code>, <code>while</code>, <code>loop</code></li>
|
|
<li><code>import</code> - <code>import</code>, <code>export</code></li>
|
|
<li><code>return</code></li>
|
|
<li><code>exception</code></li>
|
|
</ul>
|
|
</li>
|
|
<li><code>operator</code> - <code>or</code>, <code>in</code></li>
|
|
<li><code>directive</code> - Preprocessor directives (<code>#if</code> in C) </li>
|
|
<li><code>function</code> - <code>fn</code>, <code>func</code></li>
|
|
<li><code>storage</code> - Keywords describing how things are stored
|
|
<ul>
|
|
<li><code>type</code> - The type of something, <code>class</code>, <code>function</code>, <code>var</code>, <code>let</code>, etc. </li>
|
|
<li><code>modifier</code> - Storage modifiers like <code>static</code>, <code>mut</code>, <code>const</code>, <code>ref</code>, etc.</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>operator</code> - <code>||</code>, <code>+=</code>, <code>></code></p>
|
|
</li>
|
|
<li>
|
|
<p><code>function</code></p>
|
|
<ul>
|
|
<li><code>builtin</code></li>
|
|
<li><code>method</code></li>
|
|
<li><code>macro</code></li>
|
|
<li><code>special</code> (preprocessor in C)</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>tag</code> - Tags (e.g. <code><body></code> in HTML)</p>
|
|
</li>
|
|
<li>
|
|
<p><code>namespace</code></p>
|
|
</li>
|
|
<li>
|
|
<p><code>markup</code></p>
|
|
<ul>
|
|
<li><code>heading</code>
|
|
<ul>
|
|
<li><code>marker</code></li>
|
|
<li><code>1</code>, <code>2</code>, <code>3</code>, <code>4</code>, <code>5</code>, <code>6</code> - heading text for h1 through h6</li>
|
|
</ul>
|
|
</li>
|
|
<li><code>list</code>
|
|
<ul>
|
|
<li><code>unnumbered</code></li>
|
|
<li><code>numbered</code></li>
|
|
</ul>
|
|
</li>
|
|
<li><code>bold</code></li>
|
|
<li><code>italic</code></li>
|
|
<li><code>link</code>
|
|
<ul>
|
|
<li><code>url</code> - urls pointed to by links</li>
|
|
<li><code>label</code> - non-url link references</li>
|
|
<li><code>text</code> - url and image descriptions in links</li>
|
|
</ul>
|
|
</li>
|
|
<li><code>quote</code></li>
|
|
<li><code>raw</code>
|
|
<ul>
|
|
<li><code>inline</code></li>
|
|
<li><code>block</code></li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<p><code>diff</code> - version control changes</p>
|
|
<ul>
|
|
<li><code>plus</code> - additions</li>
|
|
<li><code>minus</code> - deletions</li>
|
|
<li><code>delta</code> - modifications
|
|
<ul>
|
|
<li><code>moved</code> - renamed or moved files/changes</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<h4 id="interface"><a class="header" href="#interface">Interface</a></h4>
|
|
<p>These scopes are used for theming the editor interface.</p>
|
|
<ul>
|
|
<li><code>markup</code>
|
|
<ul>
|
|
<li><code>normal</code>
|
|
<ul>
|
|
<li><code>completion</code> - for completion doc popup ui</li>
|
|
<li><code>hover</code> - for hover popup ui</li>
|
|
</ul>
|
|
</li>
|
|
<li><code>heading</code>
|
|
<ul>
|
|
<li><code>completion</code> - for completion doc popup ui</li>
|
|
<li><code>hover</code> - for hover popup ui</li>
|
|
</ul>
|
|
</li>
|
|
<li><code>raw</code>
|
|
<ul>
|
|
<li><code>inline</code>
|
|
<ul>
|
|
<li><code>completion</code> - for completion doc popup ui</li>
|
|
<li><code>hover</code> - for hover popup ui</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Notes</th></tr></thead><tbody>
|
|
<tr><td><code>ui.background</code></td><td></td></tr>
|
|
<tr><td><code>ui.background.separator</code></td><td>Picker separator below input line</td></tr>
|
|
<tr><td><code>ui.cursor</code></td><td></td></tr>
|
|
<tr><td><code>ui.cursor.insert</code></td><td></td></tr>
|
|
<tr><td><code>ui.cursor.select</code></td><td></td></tr>
|
|
<tr><td><code>ui.cursor.match</code></td><td>Matching bracket etc.</td></tr>
|
|
<tr><td><code>ui.cursor.primary</code></td><td>Cursor with primary selection</td></tr>
|
|
<tr><td><code>ui.linenr</code></td><td>Line numbers</td></tr>
|
|
<tr><td><code>ui.linenr.selected</code></td><td>Line number for the line the cursor is on</td></tr>
|
|
<tr><td><code>ui.statusline</code></td><td>Statusline</td></tr>
|
|
<tr><td><code>ui.statusline.inactive</code></td><td>Statusline (unfocused document)</td></tr>
|
|
<tr><td><code>ui.statusline.normal</code></td><td>Statusline mode during normal mode (<a href="./configuration.html#editor-section">only if <code>editor.color-modes</code> is enabled</a>)</td></tr>
|
|
<tr><td><code>ui.statusline.insert</code></td><td>Statusline mode during insert mode (<a href="./configuration.html#editor-section">only if <code>editor.color-modes</code> is enabled</a>)</td></tr>
|
|
<tr><td><code>ui.statusline.select</code></td><td>Statusline mode during select mode (<a href="./configuration.html#editor-section">only if <code>editor.color-modes</code> is enabled</a>)</td></tr>
|
|
<tr><td><code>ui.popup</code></td><td>Documentation popups (e.g space-k)</td></tr>
|
|
<tr><td><code>ui.popup.info</code></td><td>Prompt for multiple key options</td></tr>
|
|
<tr><td><code>ui.window</code></td><td>Border lines separating splits</td></tr>
|
|
<tr><td><code>ui.help</code></td><td>Description box for commands</td></tr>
|
|
<tr><td><code>ui.text</code></td><td>Command prompts, popup text, etc.</td></tr>
|
|
<tr><td><code>ui.text.focus</code></td><td></td></tr>
|
|
<tr><td><code>ui.text.info</code></td><td>The key: command text in <code>ui.popup.info</code> boxes</td></tr>
|
|
<tr><td><code>ui.virtual.ruler</code></td><td>Ruler columns (see the <a href="./configuration.html#editor-section"><code>editor.rulers</code> config</a>)</td></tr>
|
|
<tr><td><code>ui.virtual.whitespace</code></td><td>Visible white-space characters</td></tr>
|
|
<tr><td><code>ui.virtual.indent-guide</code></td><td>Vertical indent width guides</td></tr>
|
|
<tr><td><code>ui.menu</code></td><td>Code and command completion menus</td></tr>
|
|
<tr><td><code>ui.menu.selected</code></td><td>Selected autocomplete item</td></tr>
|
|
<tr><td><code>ui.menu.scroll</code></td><td><code>fg</code> sets thumb color, <code>bg</code> sets track color of scrollbar</td></tr>
|
|
<tr><td><code>ui.selection</code></td><td>For selections in the editing area</td></tr>
|
|
<tr><td><code>ui.selection.primary</code></td><td></td></tr>
|
|
<tr><td><code>ui.cursorline.primary</code></td><td>The line of the primary cursor</td></tr>
|
|
<tr><td><code>ui.cursorline.secondary</code></td><td>The lines of any other cursors</td></tr>
|
|
<tr><td><code>warning</code></td><td>Diagnostics warning (gutter)</td></tr>
|
|
<tr><td><code>error</code></td><td>Diagnostics error (gutter)</td></tr>
|
|
<tr><td><code>info</code></td><td>Diagnostics info (gutter)</td></tr>
|
|
<tr><td><code>hint</code></td><td>Diagnostics hint (gutter)</td></tr>
|
|
<tr><td><code>diagnostic</code></td><td>Diagnostics fallback style (editing area)</td></tr>
|
|
<tr><td><code>diagnostic.hint</code></td><td>Diagnostics hint (editing area)</td></tr>
|
|
<tr><td><code>diagnostic.info</code></td><td>Diagnostics info (editing area)</td></tr>
|
|
<tr><td><code>diagnostic.warning</code></td><td>Diagnostics warning (editing area)</td></tr>
|
|
<tr><td><code>diagnostic.error</code></td><td>Diagnostics error (editing area)</td></tr>
|
|
</tbody></table>
|
|
</div><div style="break-before: page; page-break-before: always;"></div><h1 id="key-remapping"><a class="header" href="#key-remapping">Key Remapping</a></h1>
|
|
<p>One-way key remapping is temporarily supported via a simple TOML configuration
|
|
file. (More powerful solutions such as rebinding via commands will be
|
|
available in the future).</p>
|
|
<p>To remap keys, write a <code>config.toml</code> file in your <code>helix</code> configuration
|
|
directory (default <code>~/.config/helix</code> in Linux systems) with a structure like
|
|
this:</p>
|
|
<pre><code class="language-toml"># At most one section each of 'keys.normal', 'keys.insert' and 'keys.select'
|
|
[keys.normal]
|
|
C-s = ":w" # Maps the Control-s to the typable command :w which is an alias for :write (save file)
|
|
C-o = ":open ~/.config/helix/config.toml" # Maps the Control-o to opening of the helix config file
|
|
a = "move_char_left" # Maps the 'a' key to the move_char_left command
|
|
w = "move_line_up" # Maps the 'w' key move_line_up
|
|
"C-S-esc" = "extend_line" # Maps Control-Shift-Escape to extend_line
|
|
g = { a = "code_action" } # Maps `ga` to show possible code actions
|
|
"ret" = ["open_below", "normal_mode"] # Maps the enter key to open_below then re-enter normal mode
|
|
|
|
[keys.insert]
|
|
"A-x" = "normal_mode" # Maps Alt-X to enter normal mode
|
|
j = { k = "normal_mode" } # Maps `jk` to exit insert mode
|
|
</code></pre>
|
|
<blockquote>
|
|
<p>NOTE: Typable commands can also be remapped, remember to keep the <code>:</code> prefix to indicate it's a typable command.</p>
|
|
</blockquote>
|
|
<p>Control, Shift and Alt modifiers are encoded respectively with the prefixes
|
|
<code>C-</code>, <code>S-</code> and <code>A-</code>. Special keys are encoded as follows:</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key name</th><th>Representation</th></tr></thead><tbody>
|
|
<tr><td>Backspace</td><td><code>"backspace"</code></td></tr>
|
|
<tr><td>Space</td><td><code>"space"</code></td></tr>
|
|
<tr><td>Return/Enter</td><td><code>"ret"</code></td></tr>
|
|
<tr><td>-</td><td><code>"minus"</code></td></tr>
|
|
<tr><td>Left</td><td><code>"left"</code></td></tr>
|
|
<tr><td>Right</td><td><code>"right"</code></td></tr>
|
|
<tr><td>Up</td><td><code>"up"</code></td></tr>
|
|
<tr><td>Down</td><td><code>"down"</code></td></tr>
|
|
<tr><td>Home</td><td><code>"home"</code></td></tr>
|
|
<tr><td>End</td><td><code>"end"</code></td></tr>
|
|
<tr><td>Page Up</td><td><code>"pageup"</code></td></tr>
|
|
<tr><td>Page Down</td><td><code>"pagedown"</code></td></tr>
|
|
<tr><td>Tab</td><td><code>"tab"</code></td></tr>
|
|
<tr><td>Delete</td><td><code>"del"</code></td></tr>
|
|
<tr><td>Insert</td><td><code>"ins"</code></td></tr>
|
|
<tr><td>Null</td><td><code>"null"</code></td></tr>
|
|
<tr><td>Escape</td><td><code>"esc"</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<p>Keys can be disabled by binding them to the <code>no_op</code> command.</p>
|
|
<p>Commands can be found at <a href="https://docs.helix-editor.com/keymap.html">Keymap</a> Commands.</p>
|
|
<blockquote>
|
|
<p>Commands can also be found in the source code at <a href="https://github.com/helix-editor/helix/blob/master/helix-term/src/commands.rs"><code>helix-term/src/commands.rs</code></a> at the invocation of <code>static_commands!</code> macro and the <code>TypableCommandList</code>.</p>
|
|
</blockquote>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="hooks"><a class="header" href="#hooks">Hooks</a></h1>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="languages"><a class="header" href="#languages">Languages</a></h1>
|
|
<p>Language-specific settings and settings for language servers are configured
|
|
in <code>languages.toml</code> files.</p>
|
|
<h2 id="languagestoml-files"><a class="header" href="#languagestoml-files"><code>languages.toml</code> files</a></h2>
|
|
<p>There are three possible <code>languages.toml</code> files. The first is compiled into
|
|
Helix and lives in the <a href="https://github.com/helix-editor/helix/blob/master/languages.toml">Helix repository</a>.
|
|
This provides the default configurations for languages and language servers.</p>
|
|
<p>You may define a <code>languages.toml</code> in your <a href="./configuration.html">configuration directory</a>
|
|
which overrides values from the built-in language configuration. For example
|
|
to disable auto-LSP-formatting in Rust:</p>
|
|
<pre><code class="language-toml"># in <config_dir>/helix/languages.toml
|
|
|
|
[[language]]
|
|
name = "rust"
|
|
auto-format = false
|
|
</code></pre>
|
|
<p>Language configuration may also be overridden local to a project by creating
|
|
a <code>languages.toml</code> file under a <code>.helix</code> directory. Its settings will be merged
|
|
with the language configuration in the configuration directory and the built-in
|
|
configuration.</p>
|
|
<h2 id="language-configuration"><a class="header" href="#language-configuration">Language configuration</a></h2>
|
|
<p>Each language is configured by adding a <code>[[language]]</code> section to a
|
|
<code>languages.toml</code> file. For example:</p>
|
|
<pre><code class="language-toml">[[language]]
|
|
name = "mylang"
|
|
scope = "source.mylang"
|
|
injection-regex = "^mylang$"
|
|
file-types = ["mylang", "myl"]
|
|
comment-token = "#"
|
|
indent = { tab-width = 2, unit = " " }
|
|
language-server = { command = "mylang-lsp", args = ["--stdio"] }
|
|
</code></pre>
|
|
<p>These configuration keys are available:</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>name</code></td><td>The name of the language</td></tr>
|
|
<tr><td><code>scope</code></td><td>A string like <code>source.js</code> that identifies the language. Currently, we strive to match the scope names used by popular TextMate grammars and by the Linguist library. Usually <code>source.<name></code> or <code>text.<name></code> in case of markup languages</td></tr>
|
|
<tr><td><code>injection-regex</code></td><td>regex pattern that will be tested against a language name in order to determine whether this language should be used for a potential <a href="https://tree-sitter.github.io/tree-sitter/syntax-highlighting#language-injection">language injection</a> site.</td></tr>
|
|
<tr><td><code>file-types</code></td><td>The filetypes of the language, for example <code>["yml", "yaml"]</code>. Extensions and full file names are supported.</td></tr>
|
|
<tr><td><code>shebangs</code></td><td>The interpreters from the shebang line, for example <code>["sh", "bash"]</code></td></tr>
|
|
<tr><td><code>roots</code></td><td>A set of marker files to look for when trying to find the workspace root. For example <code>Cargo.lock</code>, <code>yarn.lock</code></td></tr>
|
|
<tr><td><code>auto-format</code></td><td>Whether to autoformat this language when saving</td></tr>
|
|
<tr><td><code>diagnostic-severity</code></td><td>Minimal severity of diagnostic for it to be displayed. (Allowed values: <code>Error</code>, <code>Warning</code>, <code>Info</code>, <code>Hint</code>)</td></tr>
|
|
<tr><td><code>comment-token</code></td><td>The token to use as a comment-token</td></tr>
|
|
<tr><td><code>indent</code></td><td>The indent to use. Has sub keys <code>tab-width</code> and <code>unit</code></td></tr>
|
|
<tr><td><code>language-server</code></td><td>The Language Server to run. See the Language Server configuration section below.</td></tr>
|
|
<tr><td><code>config</code></td><td>Language Server configuration</td></tr>
|
|
<tr><td><code>grammar</code></td><td>The tree-sitter grammar to use (defaults to the value of <code>name</code>)</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="language-server-configuration"><a class="header" href="#language-server-configuration">Language Server configuration</a></h3>
|
|
<p>The <code>language-server</code> field takes the following keys:</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>command</code></td><td>The name of the language server binary to execute. Binaries must be in <code>$PATH</code></td></tr>
|
|
<tr><td><code>args</code></td><td>A list of arguments to pass to the language server binary</td></tr>
|
|
<tr><td><code>timeout</code></td><td>The maximum time a request to the language server may take, in seconds. Defaults to <code>20</code></td></tr>
|
|
<tr><td><code>language-id</code></td><td>The language name to pass to the language server. Some language servers support multiple languages and use this field to determine which one is being served in a buffer</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<p>The top-level <code>config</code> field is used to configure the LSP initialization options. A <code>format</code>
|
|
sub-table within <code>config</code> can be used to pass extra formatting options to
|
|
<a href="https://github.com/microsoft/language-server-protocol/blob/gh-pages/_specifications/specification-3-16.md#document-formatting-request--leftwards_arrow_with_hook">Document Formatting Requests</a>.
|
|
For example with typescript:</p>
|
|
<pre><code class="language-toml">[[language]]
|
|
name = "typescript"
|
|
auto-format = true
|
|
# pass format options according to https://github.com/typescript-language-server/typescript-language-server#workspacedidchangeconfiguration omitting the "[language].format." prefix.
|
|
config = { format = { "semicolons" = "insert", "insertSpaceBeforeFunctionParenthesis" = true } }
|
|
</code></pre>
|
|
<h2 id="tree-sitter-grammar-configuration"><a class="header" href="#tree-sitter-grammar-configuration">Tree-sitter grammar configuration</a></h2>
|
|
<p>The source for a language's tree-sitter grammar is specified in a <code>[[grammar]]</code>
|
|
section in <code>languages.toml</code>. For example:</p>
|
|
<pre><code class="language-toml">[[grammar]]
|
|
name = "mylang"
|
|
source = { git = "https://github.com/example/mylang", rev = "a250c4582510ff34767ec3b7dcdd3c24e8c8aa68" }
|
|
</code></pre>
|
|
<p>Grammar configuration takes these keys:</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>name</code></td><td>The name of the tree-sitter grammar</td></tr>
|
|
<tr><td><code>source</code></td><td>The method of fetching the grammar - a table with a schema defined below</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<p>Where <code>source</code> is a table with either these keys when using a grammar from a
|
|
git repository:</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>git</code></td><td>A git remote URL from which the grammar should be cloned</td></tr>
|
|
<tr><td><code>rev</code></td><td>The revision (commit hash or tag) which should be fetched</td></tr>
|
|
<tr><td><code>subpath</code></td><td>A path within the grammar directory which should be built. Some grammar repositories host multiple grammars (for example <code>tree-sitter-typescript</code> and <code>tree-sitter-ocaml</code>) in subdirectories. This key is used to point <code>hx --grammar build</code> to the correct path for compilation. When omitted, the root of repository is used</td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<h3 id="choosing-grammars"><a class="header" href="#choosing-grammars">Choosing grammars</a></h3>
|
|
<p>You may use a top-level <code>use-grammars</code> key to control which grammars are
|
|
fetched and built when using <code>hx --grammar fetch</code> and <code>hx --grammar build</code>.</p>
|
|
<pre><code class="language-toml"># Note: this key must come **before** the [[language]] and [[grammar]] sections
|
|
use-grammars = { only = [ "rust", "c", "cpp" ] }
|
|
# or
|
|
use-grammars = { except = [ "yaml", "json" ] }
|
|
</code></pre>
|
|
<p>When omitted, all grammars are fetched and built.</p>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="guides"><a class="header" href="#guides">Guides</a></h1>
|
|
<p>This section contains guides for adding new language server configurations,
|
|
tree-sitter grammars, textobject queries, etc.</p>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="adding-languages"><a class="header" href="#adding-languages">Adding languages</a></h1>
|
|
<h2 id="language-configuration-1"><a class="header" href="#language-configuration-1">Language configuration</a></h2>
|
|
<p>To add a new language, you need to add a <code>[[language]]</code> entry to the
|
|
<code>languages.toml</code> (see the <a href="guides/../languages.html">language configuration section</a>).</p>
|
|
<p>When adding a new language or Language Server configuration for an existing
|
|
language, run <code>cargo xtask docgen</code> to add the new configuration to the
|
|
<a href="guides/../lang-support.html">Language Support</a> docs before creating a pull request.
|
|
When adding a Language Server configuration, be sure to update the
|
|
<a href="https://github.com/helix-editor/helix/wiki/How-to-install-the-default-language-servers">Language Server Wiki</a> with installation notes.</p>
|
|
<h2 id="grammar-configuration"><a class="header" href="#grammar-configuration">Grammar configuration</a></h2>
|
|
<p>If a tree-sitter grammar is available for the language, add a new <code>[[grammar]]</code>
|
|
entry to <code>languages.toml</code>.</p>
|
|
<p>You may use the <code>source.path</code> key rather than <code>source.git</code> with an absolute path
|
|
to a locally available grammar for testing, but switch to <code>source.git</code> before
|
|
submitting a pull request.</p>
|
|
<h2 id="queries"><a class="header" href="#queries">Queries</a></h2>
|
|
<p>For a language to have syntax-highlighting and indentation among
|
|
other things, you have to add queries. Add a directory for your
|
|
language with the path <code>runtime/queries/<name>/</code>. The tree-sitter
|
|
<a href="https://tree-sitter.github.io/tree-sitter/syntax-highlighting#queries">website</a>
|
|
gives more info on how to write queries.</p>
|
|
<blockquote>
|
|
<p>NOTE: When evaluating queries, the first matching query takes
|
|
precedence, which is different from other editors like neovim where
|
|
the last matching query supersedes the ones before it. See
|
|
<a href="https://github.com/helix-editor/helix/pull/1170#issuecomment-997294090">this issue</a> for an example.</p>
|
|
</blockquote>
|
|
<h2 id="common-issues"><a class="header" href="#common-issues">Common Issues</a></h2>
|
|
<ul>
|
|
<li>
|
|
<p>If you get errors when running after switching branches, you may have to update the tree-sitter grammars. Run <code>hx --grammar fetch</code> to fetch the grammars and <code>hx --grammar build</code> to build any out-of-date grammars.</p>
|
|
</li>
|
|
<li>
|
|
<p>If a parser is segfaulting or you want to remove the parser, make sure to remove the compiled parser in <code>runtime/grammar/<name>.so</code></p>
|
|
</li>
|
|
</ul>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="adding-textobject-queries"><a class="header" href="#adding-textobject-queries">Adding Textobject Queries</a></h1>
|
|
<p>Textobjects that are language specific (<a href="guides/../usage.html#textobjects">like functions, classes, etc</a>)
|
|
require an accompanying tree-sitter grammar and a <code>textobjects.scm</code> query file
|
|
to work properly. Tree-sitter allows us to query the source code syntax tree
|
|
and capture specific parts of it. The queries are written in a lisp dialect.
|
|
More information on how to write queries can be found in the <a href="https://tree-sitter.github.io/tree-sitter/using-parsers#query-syntax">official tree-sitter
|
|
documentation</a>.</p>
|
|
<p>Query files should be placed in <code>runtime/queries/{language}/textobjects.scm</code>
|
|
when contributing. Note that to test the query files locally you should put
|
|
them under your local runtime directory (<code>~/.config/helix/runtime</code> on Linux
|
|
for example).</p>
|
|
<p>The following <a href="https://tree-sitter.github.io/tree-sitter/using-parsers#capturing-nodes">captures</a> are recognized:</p>
|
|
<div class="table-wrapper"><table><thead><tr><th>Capture Name</th></tr></thead><tbody>
|
|
<tr><td><code>function.inside</code></td></tr>
|
|
<tr><td><code>function.around</code></td></tr>
|
|
<tr><td><code>class.inside</code></td></tr>
|
|
<tr><td><code>class.around</code></td></tr>
|
|
<tr><td><code>test.inside</code></td></tr>
|
|
<tr><td><code>test.around</code></td></tr>
|
|
<tr><td><code>parameter.inside</code></td></tr>
|
|
<tr><td><code>comment.inside</code></td></tr>
|
|
<tr><td><code>comment.around</code></td></tr>
|
|
</tbody></table>
|
|
</div>
|
|
<p><a href="https://github.com/search?q=repo%3Ahelix-editor%2Fhelix+filename%3Atextobjects.scm&type=Code&ref=advsearch&l=&l=">Example query files</a> can be found in the helix GitHub repository.</p>
|
|
<h2 id="queries-for-textobject-based-navigation"><a class="header" href="#queries-for-textobject-based-navigation">Queries for Textobject Based Navigation</a></h2>
|
|
<p><a href="guides/../usage.html#tree-sitter-textobject-based-navigation">Tree-sitter based navigation</a> is done using captures in the
|
|
following order:</p>
|
|
<ul>
|
|
<li><code>object.movement</code></li>
|
|
<li><code>object.around</code></li>
|
|
<li><code>object.inside</code></li>
|
|
</ul>
|
|
<p>For example if a <code>function.around</code> capture has been already defined for a language
|
|
in it's <code>textobjects.scm</code> file, function navigation should also work automatically.
|
|
<code>function.movement</code> should be defined only if the node captured by <code>function.around</code>
|
|
doesn't make sense in a navigation context.</p>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="adding-indent-queries"><a class="header" href="#adding-indent-queries">Adding Indent Queries</a></h1>
|
|
<p>Helix uses tree-sitter to correctly indent new lines. This requires
|
|
a tree-sitter grammar and an <code>indent.scm</code> query file placed in
|
|
<code>runtime/queries/{language}/indents.scm</code>. The indentation for a line
|
|
is calculated by traversing the syntax tree from the lowest node at the
|
|
beginning of the new line. Each of these nodes contributes to the total
|
|
indent when it is captured by the query (in what way depends on the name
|
|
of the capture).</p>
|
|
<p>Note that it matters where these added indents begin. For example,
|
|
multiple indent level increases that start on the same line only increase
|
|
the total indent level by 1.</p>
|
|
<h2 id="scopes-1"><a class="header" href="#scopes-1">Scopes</a></h2>
|
|
<p>Added indents don't always apply to the whole node. For example, in most
|
|
cases when a node should be indented, we actually only want everything
|
|
except for its first line to be indented. For this, there are several
|
|
scopes (more scopes may be added in the future if required):</p>
|
|
<ul>
|
|
<li>
|
|
<p><code>all</code>:
|
|
This scope applies to the whole captured node. This is only different from
|
|
<code>tail</code> when the captured node is the first node on its line.</p>
|
|
</li>
|
|
<li>
|
|
<p><code>tail</code>:
|
|
This scope applies to everything except for the first line of the
|
|
captured node.</p>
|
|
</li>
|
|
</ul>
|
|
<p>Every capture type has a default scope which should do the right thing
|
|
in most situations. When a different scope is required, this can be
|
|
changed by using a <code>#set!</code> declaration anywhere in the pattern:</p>
|
|
<pre><code class="language-scm">(assignment_expression
|
|
right: (_) @indent
|
|
(#set! "scope" "all"))
|
|
</code></pre>
|
|
<h2 id="capture-types"><a class="header" href="#capture-types">Capture Types</a></h2>
|
|
<ul>
|
|
<li>
|
|
<p><code>@indent</code> (default scope <code>tail</code>):
|
|
Increase the indent level by 1. Multiple occurrences in the same line
|
|
don't stack. If there is at least one <code>@indent</code> and one <code>@outdent</code>
|
|
capture on the same line, the indent level isn't changed at all.</p>
|
|
</li>
|
|
<li>
|
|
<p><code>@outdent</code> (default scope <code>all</code>):
|
|
Decrease the indent level by 1. The same rules as for <code>@indent</code> apply.</p>
|
|
</li>
|
|
</ul>
|
|
<h2 id="predicates"><a class="header" href="#predicates">Predicates</a></h2>
|
|
<p>In some cases, an S-expression cannot express exactly what pattern should be matched.
|
|
For that, tree-sitter allows for predicates to appear anywhere within a pattern,
|
|
similar to how <code>#set!</code> declarations work:</p>
|
|
<pre><code class="language-scm">(some_kind
|
|
(child_kind) @indent
|
|
(#predicate? arg1 arg2 ...)
|
|
)
|
|
</code></pre>
|
|
<p>The number of arguments depends on the predicate that's used.
|
|
Each argument is either a capture (<code>@name</code>) or a string (<code>"some string"</code>).
|
|
The following predicates are supported by tree-sitter:</p>
|
|
<ul>
|
|
<li>
|
|
<p><code>#eq?</code>/<code>#not-eq?</code>:
|
|
The first argument (a capture) must/must not be equal to the second argument
|
|
(a capture or a string).</p>
|
|
</li>
|
|
<li>
|
|
<p><code>#match?</code>/<code>#not-match?</code>:
|
|
The first argument (a capture) must/must not match the regex given in the
|
|
second argument (a string).</p>
|
|
</li>
|
|
</ul>
|
|
<p>Additionally, we support some custom predicates for indent queries:</p>
|
|
<ul>
|
|
<li>
|
|
<p><code>#not-kind-eq?</code>:
|
|
The kind of the first argument (a capture) must not be equal to the second
|
|
argument (a string).</p>
|
|
</li>
|
|
<li>
|
|
<p><code>#same-line?</code>/<code>#not-same-line?</code>:
|
|
The captures given by the 2 arguments must/must not start on the same line.</p>
|
|
</li>
|
|
</ul>
|
|
|
|
</main>
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<nav class="nav-wide-wrapper" aria-label="Page navigation">
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</nav>
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</div>
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