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453 lines
24 KiB
HTML
453 lines
24 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="hooks.html"><strong aria-hidden="true">3.2.</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>TODO: brew tap</p>
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<p>Please use a pre-built binary release for the time being.</p>
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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>bold</td></tr>
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<tr><td>dim</td></tr>
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<tr><td>italic</td></tr>
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<tr><td>underlined</td></tr>
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<tr><td>slow_blink</td></tr>
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<tr><td>rapid_blink</td></tr>
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<tr><td>reversed</td></tr>
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<tr><td>hidden</td></tr>
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<tr><td>crossed_out</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>attribute</td><td></td></tr>
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<tr><td>keyword</td><td></td></tr>
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<tr><td>keyword.directive</td><td>preprocessor directives (#if in C)</td></tr>
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<tr><td>namespace</td><td></td></tr>
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<tr><td>punctuation</td><td></td></tr>
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<tr><td>punctuation.delimiter</td><td></td></tr>
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<tr><td>operator</td><td></td></tr>
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<tr><td>special</td><td></td></tr>
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<tr><td>property</td><td></td></tr>
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<tr><td>variable</td><td></td></tr>
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<tr><td>variable.parameter</td><td></td></tr>
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<tr><td>type</td><td></td></tr>
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<tr><td>type.builtin</td><td></td></tr>
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<tr><td>constructor</td><td></td></tr>
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<tr><td>function</td><td></td></tr>
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<tr><td>function.macro</td><td></td></tr>
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<tr><td>function.builtin</td><td></td></tr>
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<tr><td>comment</td><td></td></tr>
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<tr><td>variable.builtin</td><td></td></tr>
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<tr><td>constant</td><td></td></tr>
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<tr><td>constant.builtin</td><td></td></tr>
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<tr><td>string</td><td></td></tr>
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<tr><td>number</td><td></td></tr>
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<tr><td>escape</td><td>escaped characters</td></tr>
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<tr><td>label</td><td>used for lifetimes</td></tr>
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<tr><td>module</td><td></td></tr>
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<tr><td>ui.background</td><td></td></tr>
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<tr><td>ui.linenr</td><td></td></tr>
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<tr><td>ui.statusline</td><td></td></tr>
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<tr><td>ui.popup</td><td></td></tr>
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<tr><td>ui.window</td><td></td></tr>
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<tr><td>ui.help</td><td></td></tr>
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<tr><td>ui.text</td><td></td></tr>
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<tr><td>ui.text.focus</td><td></td></tr>
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<tr><td>ui.menu.selected</td><td></td></tr>
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<tr><td>ui.selection</td><td>for selections in the editing area</td></tr>
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<tr><td>warning</td><td>LSP warning</td></tr>
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<tr><td>error</td><td>LSP error</td></tr>
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<tr><td>info</td><td>LSP info</td></tr>
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<tr><td>hint</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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<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
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<tr><td>h, Left</td><td>move left</td></tr>
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<tr><td>j, Down</td><td>move down</td></tr>
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<tr><td>k, Up</td><td>move up</td></tr>
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<tr><td>l, Right</td><td>move right</td></tr>
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<tr><td>w</td><td>move next word start</td></tr>
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<tr><td>b</td><td>move previous word start</td></tr>
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<tr><td>e</td><td>move next word end</td></tr>
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<tr><td>t</td><td>find 'till next char</td></tr>
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<tr><td>f</td><td>find next char</td></tr>
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<tr><td>T</td><td>find 'till previous char</td></tr>
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<tr><td>F</td><td>find previous char</td></tr>
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<tr><td>Home</td><td>move to the start of the line</td></tr>
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<tr><td>End</td><td>move to the end of the line</td></tr>
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<tr><td>m</td><td>Jump to matching bracket</td></tr>
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<tr><td>PageUp</td><td>Move page up</td></tr>
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<tr><td>PageDown</td><td>Move page down</td></tr>
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<tr><td>ctrl-u</td><td>Move half page up</td></tr>
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<tr><td>ctrl-d</td><td>Move half page down</td></tr>
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<tr><td>ctrl-i</td><td>Jump forward on the jumplist TODO: conflicts tab</td></tr>
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<tr><td>ctrl-o</td><td>Jump backward on the jumplist</td></tr>
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<tr><td>v</td><td>Enter select (extend) mode</td></tr>
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<tr><td>g</td><td>Enter goto mode</td></tr>
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<tr><td>:</td><td>Enter command mode</td></tr>
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<tr><td>z</td><td>Enter view mode</td></tr>
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<tr><td>ctrl-w</td><td>Enter window mode (maybe will be remove for spc w w later)</td></tr>
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<tr><td>space</td><td>Enter space mode</td></tr>
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<tr><td>K</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>r</td><td>replace with a character</td></tr>
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<tr><td>R</td><td>replace with yanked text</td></tr>
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<tr><td>i</td><td>Insert before selection</td></tr>
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<tr><td>a</td><td>Insert after selection (append)</td></tr>
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<tr><td>I</td><td>Insert at the start of the line</td></tr>
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<tr><td>A</td><td>Insert at the end of the line</td></tr>
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<tr><td>o</td><td>Open new line below selection</td></tr>
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<tr><td>o</td><td>Open new line above selection</td></tr>
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<tr><td>u</td><td>Undo change</td></tr>
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<tr><td>U</td><td>Redo change</td></tr>
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<tr><td>y</td><td>Yank selection</td></tr>
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<tr><td>p</td><td>Paste after selection</td></tr>
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<tr><td>P</td><td>Paste before selection</td></tr>
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<tr><td>></td><td>Indent selection</td></tr>
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<tr><td><</td><td>Unindent selection</td></tr>
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<tr><td>=</td><td>Format selection</td></tr>
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<tr><td>d</td><td>Delete selection</td></tr>
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<tr><td>c</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>
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<tr><td>s</td><td>Select all regex matches inside selections</td></tr>
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<tr><td>S</td><td>Split selection into subselections on regex matches</td></tr>
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<tr><td>alt-s</td><td>Split selection on newlines</td></tr>
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<tr><td>;</td><td>Collapse selection onto a single cursor</td></tr>
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<tr><td>alt-;</td><td>Flip selection cursor and anchor</td></tr>
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<tr><td>%</td><td>Select entire file</td></tr>
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<tr><td>x</td><td>Select current line</td></tr>
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<tr><td>X</td><td>Extend to next line</td></tr>
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<tr><td>[</td><td>Expand selection to parent syntax node TODO: pick a key</td></tr>
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<tr><td>J</td><td>join lines inside selection</td></tr>
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<tr><td>K</td><td>keep selections matching the regex TODO: overlapped by hover help</td></tr>
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<tr><td>space</td><td>keep only the primary selection TODO: overlapped by space mode</td></tr>
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<tr><td>ctrl-c</td><td>Comment/uncomment the selections</td></tr>
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</tbody></table>
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<h3 id="search"><a class="header" href="#search">Search</a></h3>
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<blockquote>
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<p>TODO: The search implementation isn't ideal yet -- we don't support searching
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in reverse, or searching via smartcase.</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>/</td><td>Search for regex pattern</td></tr>
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<tr><td>n</td><td>Select next search match</td></tr>
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<tr><td>N</td><td>Add next search match to selection</td></tr>
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<tr><td>*</td><td>Use current selection as the search pattern</td></tr>
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|
</tbody></table>
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|
<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>
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|
</blockquote>
|
|
<table><thead><tr><th>Key</th><th>Description</th></tr></thead><tbody>
|
|
<tr><td>[d</td><td>Go to previous diagnostic</td></tr>
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|
<tr><td>]d</td><td>Go to next diagnostic</td></tr>
|
|
<tr><td>[D</td><td>Go to first diagnostic in document</td></tr>
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|
<tr><td>]D</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>
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|
<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>z , c</td><td>Vertically center the line</td></tr>
|
|
<tr><td>t</td><td>Align the line to the top of the screen</td></tr>
|
|
<tr><td>b</td><td>Align the line to the bottom of the screen</td></tr>
|
|
<tr><td>m</td><td>Align the line to the middle of the screen (horizontally)</td></tr>
|
|
<tr><td>j</td><td>Scroll the view downwards</td></tr>
|
|
<tr><td>k</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>g</td><td>Go to the start of the file</td></tr>
|
|
<tr><td>e</td><td>Go to the end of the file</td></tr>
|
|
<tr><td>h</td><td>Go to the start of the line</td></tr>
|
|
<tr><td>l</td><td>Go to the end of the line</td></tr>
|
|
<tr><td>s</td><td>Go to first non-whitespace character of the line</td></tr>
|
|
<tr><td>t</td><td>Go to the top of the screen</td></tr>
|
|
<tr><td>m</td><td>Go to the middle of the screen</td></tr>
|
|
<tr><td>b</td><td>Go to the bottom of the screen</td></tr>
|
|
<tr><td>d</td><td>Go to definition</td></tr>
|
|
<tr><td>y</td><td>Go to type definition</td></tr>
|
|
<tr><td>r</td><td>Go to references</td></tr>
|
|
<tr><td>i</td><td>Go to implementation</td></tr>
|
|
<tr><td>a</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>w, ctrl-w</td><td>Switch to next window</td></tr>
|
|
<tr><td>v, ctrl-v</td><td>Vertical right split</td></tr>
|
|
<tr><td>h, ctrl-h</td><td>Horizontal bottom split</td></tr>
|
|
<tr><td>q, ctrl-q</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>f</td><td>Open file picker</td></tr>
|
|
<tr><td>b</td><td>Open buffer picker</td></tr>
|
|
<tr><td>s</td><td>Open symbol picker (current document)</td></tr>
|
|
<tr><td>w</td><td>Enter window mode</td></tr>
|
|
<tr><td>space</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>up, ctrl-p</td><td>Previous entry</td></tr>
|
|
<tr><td>down, ctrl-n</td><td>Next entry</td></tr>
|
|
<tr><td>ctrl-space</td><td>Filter options</td></tr>
|
|
<tr><td>enter</td><td>Open selected</td></tr>
|
|
<tr><td>ctrl-h</td><td>Open horizontally</td></tr>
|
|
<tr><td>ctrl-v</td><td>Open vertically</td></tr>
|
|
<tr><td>escape, ctrl-c</td><td>Close picker</td></tr>
|
|
</tbody></table>
|
|
<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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|
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</main>
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</div>
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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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<script type="text/javascript">
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window.playground_copyable = true;
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</script>
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<script src="elasticlunr.min.js" type="text/javascript" charset="utf-8"></script>
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