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514 lines
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HTML
514 lines
29 KiB
HTML
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<ol class="chapter"><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 class="chapter-item expanded "><a href="configuration.html"><strong aria-hidden="true">3.</strong> Configuration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="keymap.html"><strong aria-hidden="true">3.1.</strong> Keymap</a></li><li class="chapter-item expanded "><a href="remapping.html"><strong aria-hidden="true">3.2.</strong> Key Remapping</a></li><li class="chapter-item expanded "><a href="hooks.html"><strong aria-hidden="true">3.3.</strong> Hooks</a></li></ol></li></ol> </div>
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<div id="content" class="content">
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<main>
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<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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<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.</p>
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<h3 id="arch-linux"><a class="header" href="#arch-linux">Arch Linux</a></h3>
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<p>Binary packages are available on AUR:</p>
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<ul>
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<li><a href="https://aur.archlinux.org/packages/helix-bin/">helix-bin</a> contains the pre-built release</li>
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<li><a href="https://aur.archlinux.org/packages/helix-git/">helix-git</a> builds the master branch</li>
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</ul>
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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 --recurse-submodules --shallow-submodules -j8 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>Now copy the <code>runtime/</code> directory somewhere. Helix will by default look for the
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runtime inside the same folder as the executable, but that can be overriden via
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the <code>HELIX_RUNTIME</code> environment variable.</p>
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<p>If you want to embed the <code>runtime/</code> directory into the Helix binary you can build
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it with:</p>
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<pre><code>cargo install --path helix-term --features "embed_runtime"
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</code></pre>
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<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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<div style="break-before: page; page-break-before: always;"></div><h1 id="configuration"><a class="header" href="#configuration">Configuration</a></h1>
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<h2 id="theme"><a class="header" href="#theme">Theme</a></h2>
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<p>Use a custom theme by placing a theme.toml in your config directory (i.e ~/.config/helix/theme.toml). 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/contrib/themes">here</a>.</p>
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<p>Styles in theme.toml are specified of in the form:</p>
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<pre><code class="language-toml">key = { fg = "#ffffff", bg = "#000000", modifiers = ["bold", "italic"] }
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</code></pre>
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<p>where <code>name</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>
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<p>To specify only the foreground color:</p>
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<pre><code class="language-toml">key = "#ffffff"
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</code></pre>
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<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>
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<pre><code class="language-toml">"key.key" = "#ffffff"
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</code></pre>
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<p>Possible modifiers:</p>
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<table><thead><tr><th>Modifier</th></tr></thead><tbody>
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<tr><td><code>bold</code></td></tr>
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<tr><td><code>dim</code></td></tr>
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<tr><td><code>italic</code></td></tr>
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<tr><td><code>underlined</code></td></tr>
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<tr><td><code>slow\_blink</code></td></tr>
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<tr><td><code>rapid\_blink</code></td></tr>
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<tr><td><code>reversed</code></td></tr>
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<tr><td><code>hidden</code></td></tr>
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<tr><td><code>crossed\_out</code></td></tr>
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</tbody></table>
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<p>Possible keys:</p>
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<table><thead><tr><th>Key</th><th>Notes</th></tr></thead><tbody>
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<tr><td><code>attribute</code></td><td></td></tr>
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<tr><td><code>keyword</code></td><td></td></tr>
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<tr><td><code>keyword.directive</code></td><td>Preprocessor directives (#if in C)</td></tr>
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<tr><td><code>namespace</code></td><td></td></tr>
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<tr><td><code>punctuation</code></td><td></td></tr>
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<tr><td><code>punctuation.delimiter</code></td><td></td></tr>
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<tr><td><code>operator</code></td><td></td></tr>
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<tr><td><code>special</code></td><td></td></tr>
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<tr><td><code>property</code></td><td></td></tr>
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<tr><td><code>variable</code></td><td></td></tr>
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<tr><td><code>variable.parameter</code></td><td></td></tr>
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<tr><td><code>type</code></td><td></td></tr>
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<tr><td><code>type.builtin</code></td><td></td></tr>
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<tr><td><code>constructor</code></td><td></td></tr>
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<tr><td><code>function</code></td><td></td></tr>
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<tr><td><code>function.macro</code></td><td></td></tr>
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<tr><td><code>function.builtin</code></td><td></td></tr>
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<tr><td><code>comment</code></td><td></td></tr>
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<tr><td><code>variable.builtin</code></td><td></td></tr>
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<tr><td><code>constant</code></td><td></td></tr>
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<tr><td><code>constant.builtin</code></td><td></td></tr>
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<tr><td><code>string</code></td><td></td></tr>
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<tr><td><code>number</code></td><td></td></tr>
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<tr><td><code>escape</code></td><td>Escaped characters</td></tr>
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<tr><td><code>label</code></td><td>For lifetimes</td></tr>
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<tr><td><code>module</code></td><td></td></tr>
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<tr><td><code>ui.background</code></td><td></td></tr>
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<tr><td><code>ui.linenr</code></td><td></td></tr>
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<tr><td><code>ui.linenr.selected</code></td><td>For lines with cursors</td></tr>
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<tr><td><code>ui.statusline</code></td><td></td></tr>
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<tr><td><code>ui.popup</code></td><td></td></tr>
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<tr><td><code>ui.window</code></td><td></td></tr>
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<tr><td><code>ui.help</code></td><td></td></tr>
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<tr><td><code>ui.text</code></td><td></td></tr>
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<tr><td><code>ui.text.focus</code></td><td></td></tr>
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<tr><td><code>ui.menu.selected</code></td><td></td></tr>
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<tr><td><code>ui.selection</code></td><td>For selections in the editing area</td></tr>
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<tr><td><code>warning</code></td><td>LSP warning</td></tr>
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<tr><td><code>error</code></td><td>LSP error</td></tr>
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<tr><td><code>info</code></td><td>LSP info</td></tr>
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<tr><td><code>hint</code></td><td>LSP hint</td></tr>
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</tbody></table>
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<p>These keys match <a href="https://tree-sitter.github.io/tree-sitter/syntax-highlighting#theme">tree-sitter scopes</a>. We half-follow the common scopes from <a href="https://macromates.com/manual/en/language_grammars">macromates language grammars</a> with some differences.</p>
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<p>For a given highlight produced, styling will be determined based on the longest matching theme key. So it's enough to provide function to highlight <code>function.macro</code> and <code>function.builtin</code> as well, but you can use more specific scopes to highlight specific cases differently.</p>
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<div style="break-before: page; page-break-before: always;"></div><h1 id="keymap"><a class="header" href="#keymap">Keymap</a></h1>
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<h2 id="normal-mode"><a class="header" href="#normal-mode">Normal mode</a></h2>
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<h3 id="movement"><a class="header" href="#movement">Movement</a></h3>
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<blockquote>
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<p>NOTE: <code>f</code>, <code>F</code>, <code>t</code> and <code>T</code> are not confined to the current line.</p>
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</blockquote>
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<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
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<tr><td><code>h</code>, <code>Left</code></td><td>Move left</td></tr>
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<tr><td><code>j</code>, <code>Down</code></td><td>Move down</td></tr>
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<tr><td><code>k</code>, <code>Up</code></td><td>Move up</td></tr>
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<tr><td><code>l</code>, <code>Right</code></td><td>Move right</td></tr>
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<tr><td><code>w</code></td><td>Move next word start</td></tr>
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<tr><td><code>b</code></td><td>Move previous word start</td></tr>
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<tr><td><code>e</code></td><td>Move next word end</td></tr>
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<tr><td><code>t</code></td><td>Find 'till next char</td></tr>
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<tr><td><code>f</code></td><td>Find next char</td></tr>
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<tr><td><code>T</code></td><td>Find 'till previous char</td></tr>
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<tr><td><code>F</code></td><td>Find previous char</td></tr>
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<tr><td><code>Home</code></td><td>Move to the start of the line</td></tr>
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<tr><td><code>End</code></td><td>Move to the end of the line</td></tr>
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<tr><td><code>m</code></td><td>Jump to matching bracket</td></tr>
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<tr><td><code>PageUp</code></td><td>Move page up</td></tr>
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<tr><td><code>PageDown</code></td><td>Move page down</td></tr>
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<tr><td><code>Ctrl-u</code></td><td>Move half page up</td></tr>
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<tr><td><code>Ctrl-d</code></td><td>Move half page down</td></tr>
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<tr><td><code>Ctrl-i</code></td><td>Jump forward on the jumplist TODO: conflicts tab</td></tr>
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<tr><td><code>Ctrl-o</code></td><td>Jump backward on the jumplist</td></tr>
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<tr><td><code>v</code></td><td>Enter <a href="keymap.html#select--extend-mode">select (extend) mode</a></td></tr>
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<tr><td><code>g</code></td><td>Enter <a href="keymap.html#goto-mode">goto mode</a></td></tr>
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<tr><td><code>:</code></td><td>Enter command mode</td></tr>
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<tr><td><code>z</code></td><td>Enter <a href="keymap.html#view-mode">view mode</a></td></tr>
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<tr><td><code>Ctrl-w</code></td><td>Enter <a href="keymap.html#window-mode">window mode</a> (maybe will be remove for spc w w later)</td></tr>
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<tr><td><code>Space</code></td><td>Enter <a href="keymap.html#space-mode">space mode</a></td></tr>
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<tr><td><code>K</code></td><td>Show documentation for the item under the cursor</td></tr>
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</tbody></table>
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<h3 id="changes"><a class="header" href="#changes">Changes</a></h3>
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<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
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<tr><td><code>r</code></td><td>Replace with a character</td></tr>
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<tr><td><code>R</code></td><td>Replace with yanked text</td></tr>
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<tr><td><code>i</code></td><td>Insert before selection</td></tr>
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<tr><td><code>a</code></td><td>Insert after selection (append)</td></tr>
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<tr><td><code>I</code></td><td>Insert at the start of the line</td></tr>
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<tr><td><code>A</code></td><td>Insert at the end of the line</td></tr>
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<tr><td><code>o</code></td><td>Open new line below selection</td></tr>
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<tr><td><code>o</code></td><td>Open new line above selection</td></tr>
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<tr><td><code>u</code></td><td>Undo change</td></tr>
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<tr><td><code>U</code></td><td>Redo change</td></tr>
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<tr><td><code>y</code></td><td>Yank selection</td></tr>
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<tr><td><code>p</code></td><td>Paste after selection</td></tr>
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<tr><td><code>P</code></td><td>Paste before selection</td></tr>
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<tr><td><code>></code></td><td>Indent selection</td></tr>
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<tr><td><code><</code></td><td>Unindent selection</td></tr>
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<tr><td><code>=</code></td><td>Format selection</td></tr>
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<tr><td><code>d</code></td><td>Delete selection</td></tr>
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<tr><td><code>c</code></td><td>Change selection (delete and enter insert mode)</td></tr>
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</tbody></table>
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<h3 id="selection-manipulation"><a class="header" href="#selection-manipulation">Selection manipulation</a></h3>
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<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>s</code></td><td>Select all regex matches inside selections</td></tr>
|
|
<tr><td><code>S</code></td><td>Split selection into subselections on regex matches</td></tr>
|
|
<tr><td><code>Alt-s</code></td><td>Split selection on newlines</td></tr>
|
|
<tr><td><code>;</code></td><td>Collapse selection onto a single cursor</td></tr>
|
|
<tr><td><code>Alt-;</code></td><td>Flip selection cursor and anchor</td></tr>
|
|
<tr><td><code>%</code></td><td>Select entire file</td></tr>
|
|
<tr><td><code>x</code></td><td>Select current line</td></tr>
|
|
<tr><td><code>X</code></td><td>Extend to next line</td></tr>
|
|
<tr><td><code>[</code></td><td>Expand selection to parent syntax node TODO: pick a key</td></tr>
|
|
<tr><td><code>J</code></td><td>join lines inside selection</td></tr>
|
|
<tr><td><code>K</code></td><td>keep selections matching the regex TODO: overlapped by hover help</td></tr>
|
|
<tr><td><code>Space</code></td><td>keep only the primary selection TODO: overlapped by space mode</td></tr>
|
|
<tr><td><code>Ctrl-c</code></td><td>Comment/uncomment the selections</td></tr>
|
|
</tbody></table>
|
|
<h3 id="search"><a class="header" href="#search">Search</a></h3>
|
|
<blockquote>
|
|
<p>TODO: The search implementation isn't ideal yet -- we don't support searching
|
|
in reverse, or searching via smartcase.</p>
|
|
</blockquote>
|
|
<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>/</code></td><td>Search for regex pattern</td></tr>
|
|
<tr><td><code>n</code></td><td>Select next search match</td></tr>
|
|
<tr><td><code>N</code></td><td>Add next search match to selection</td></tr>
|
|
<tr><td><code>*</code></td><td>Use current selection as the search pattern</td></tr>
|
|
</tbody></table>
|
|
<h3 id="diagnostics"><a class="header" href="#diagnostics">Diagnostics</a></h3>
|
|
<blockquote>
|
|
<p>NOTE: <code>[</code> and <code>]</code> will likely contain more pair mappings in the style of
|
|
<a href="https://github.com/tpope/vim-unimpaired">vim-unimpaired</a></p>
|
|
</blockquote>
|
|
<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>[d</code></td><td>Go to previous diagnostic</td></tr>
|
|
<tr><td><code>]d</code></td><td>Go to next diagnostic</td></tr>
|
|
<tr><td><code>[D</code></td><td>Go to first diagnostic in document</td></tr>
|
|
<tr><td><code>]D</code></td><td>Go to last diagnostic in document</td></tr>
|
|
</tbody></table>
|
|
<h2 id="select--extend-mode"><a class="header" href="#select--extend-mode">Select / extend mode</a></h2>
|
|
<p>I'm still pondering whether to keep this mode or not. It changes movement
|
|
commands to extend the existing selection instead of replacing it.</p>
|
|
<blockquote>
|
|
<p>NOTE: It's a bit confusing at the moment because extend hasn't been
|
|
implemented for all movement commands yet.</p>
|
|
</blockquote>
|
|
<h2 id="view-mode"><a class="header" href="#view-mode">View mode</a></h2>
|
|
<p>View mode is intended for scrolling and manipulating the view without changing
|
|
the selection.</p>
|
|
<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>z</code> , <code>c</code></td><td>Vertically center the line</td></tr>
|
|
<tr><td><code>t</code></td><td>Align the line to the top of the screen</td></tr>
|
|
<tr><td><code>b</code></td><td>Align the line to the bottom of the screen</td></tr>
|
|
<tr><td><code>m</code></td><td>Align the line to the middle of the screen (horizontally)</td></tr>
|
|
<tr><td><code>j</code></td><td>Scroll the view downwards</td></tr>
|
|
<tr><td><code>k</code></td><td>Scroll the view upwards</td></tr>
|
|
</tbody></table>
|
|
<h2 id="goto-mode"><a class="header" href="#goto-mode">Goto mode</a></h2>
|
|
<p>Jumps to various locations.</p>
|
|
<blockquote>
|
|
<p>NOTE: Some of these features are only available with the LSP present.</p>
|
|
</blockquote>
|
|
<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>g</code></td><td>Go to the start of the file</td></tr>
|
|
<tr><td><code>e</code></td><td>Go to the end of the file</td></tr>
|
|
<tr><td><code>h</code></td><td>Go to the start of the line</td></tr>
|
|
<tr><td><code>l</code></td><td>Go to the end of the line</td></tr>
|
|
<tr><td><code>s</code></td><td>Go to first non-whitespace character of the line</td></tr>
|
|
<tr><td><code>t</code></td><td>Go to the top of the screen</td></tr>
|
|
<tr><td><code>m</code></td><td>Go to the middle of the screen</td></tr>
|
|
<tr><td><code>b</code></td><td>Go to the bottom of the screen</td></tr>
|
|
<tr><td><code>d</code></td><td>Go to definition</td></tr>
|
|
<tr><td><code>y</code></td><td>Go to type definition</td></tr>
|
|
<tr><td><code>r</code></td><td>Go to references</td></tr>
|
|
<tr><td><code>i</code></td><td>Go to implementation</td></tr>
|
|
<tr><td><code>a</code></td><td>Go to the last accessed/alternate file</td></tr>
|
|
</tbody></table>
|
|
<h2 id="object-mode"><a class="header" href="#object-mode">Object mode</a></h2>
|
|
<p>TODO: Mappings for selecting syntax nodes (a superset of <code>[</code>).</p>
|
|
<h2 id="window-mode"><a class="header" href="#window-mode">Window mode</a></h2>
|
|
<p>This layer is similar to vim keybindings as kakoune does not support window.</p>
|
|
<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>w</code>, <code>ctrl-w</code></td><td>Switch to next window</td></tr>
|
|
<tr><td><code>v</code>, <code>ctrl-v</code></td><td>Vertical right split</td></tr>
|
|
<tr><td><code>h</code>, <code>ctrl-h</code></td><td>Horizontal bottom split</td></tr>
|
|
<tr><td><code>q</code>, <code>ctrl-q</code></td><td>Close current window</td></tr>
|
|
</tbody></table>
|
|
<h2 id="space-mode"><a class="header" href="#space-mode">Space mode</a></h2>
|
|
<p>This layer is a kludge of mappings I had under leader key in neovim.</p>
|
|
<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td><code>f</code></td><td>Open file picker</td></tr>
|
|
<tr><td><code>b</code></td><td>Open buffer picker</td></tr>
|
|
<tr><td><code>s</code></td><td>Open symbol picker (current document)</td></tr>
|
|
<tr><td><code>w</code></td><td>Enter <a href="keymap.html#window-mode">window mode</a></td></tr>
|
|
<tr><td><code>space</code></td><td>Keep primary selection TODO: it's here because space mode replaced it</td></tr>
|
|
</tbody></table>
|
|
<h1 id="picker"><a class="header" href="#picker">Picker</a></h1>
|
|
<p>Keys to use within picker.</p>
|
|
<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>Down</code>, <code>Ctrl-n</code></td><td>Next 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-h</code></td><td>Open horizontally</td></tr>
|
|
<tr><td><code>Ctrl-v</code></td><td>Open vertically</td></tr>
|
|
<tr><td><code>Escape</code>, <code>ctrl-c</code></td><td>Close picker</td></tr>
|
|
</tbody></table>
|
|
<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 feature).</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]
|
|
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 = "select_line" # Maps Control-Shift-Escape to select_line
|
|
|
|
[keys.insert]
|
|
A-x = "normal_mode" # Maps Alt-X to enter normal mode
|
|
</code></pre>
|
|
<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>
|
|
<ul>
|
|
<li>Backspace => "backspace"</li>
|
|
<li>Space => "space"</li>
|
|
<li>Return/Enter => "ret"</li>
|
|
<li>< => "lt"</li>
|
|
<li>
|
|
<blockquote>
|
|
<p>=> "gt"</p>
|
|
</blockquote>
|
|
</li>
|
|
<li>
|
|
<ul>
|
|
<li>=> "plus"</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<ul>
|
|
<li>=> "minus"</li>
|
|
</ul>
|
|
</li>
|
|
<li>; => "semicolon"</li>
|
|
<li>% => "percent"</li>
|
|
<li>Left => "left"</li>
|
|
<li>Right => "right"</li>
|
|
<li>Up => "up"</li>
|
|
<li>Home => "home"</li>
|
|
<li>End => "end"</li>
|
|
<li>Page Up => "pageup"</li>
|
|
<li>Page Down => "pagedown"</li>
|
|
<li>Tab => "tab"</li>
|
|
<li>Back Tab => "backtab"</li>
|
|
<li>Delete => "del"</li>
|
|
<li>Insert => "ins"</li>
|
|
<li>Null => "null"</li>
|
|
<li>Escape => "esc"</li>
|
|
</ul>
|
|
<p>Commands can be found in the source code at <code>../../helix-term/src/commands.rs</code></p>
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="hooks"><a class="header" href="#hooks">Hooks</a></h1>
|
|
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