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234 lines
14 KiB
HTML
234 lines
14 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" class="active"><strong aria-hidden="true">2.</strong> Usage</a></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="keymap.html"><strong aria-hidden="true">4.2.</strong> Keymap</a></li><li class="chapter-item expanded "><a href="remapping.html"><strong aria-hidden="true">4.3.</strong> Key Remapping</a></li><li class="chapter-item expanded "><a href="hooks.html"><strong aria-hidden="true">4.4.</strong> Hooks</a></li></ol></li></ol>
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<div id="content" class="content">
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<main>
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<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> 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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<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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</tbody></table>
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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.</p>
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</blockquote>
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<h2 id="surround"><a class="header" href="#surround">Surround</a></h2>
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<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>
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<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>
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</ul>
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<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
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on the closest pairs found and selections are not required; use counts to act in outer pairs.</p>
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<p>It can also act on multiple seletions (yay!). For example, to change every occurance of <code>(use)</code> to <code>[use]</code>:</p>
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<ul>
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<li><code>%</code> to select the whole file</li>
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<li><code>s</code> to split the selections on a search term</li>
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<li>Input <code>use</code> and hit Enter</li>
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<li><code>mr([</code> to replace the parens with square brackets</li>
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</ul>
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<p>Multiple characters are currently not supported, but planned.</p>
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<h2 id="textobjects"><a class="header" href="#textobjects">Textobjects</a></h2>
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<p>Currently supported: <code>word</code>, <code>surround</code>.</p>
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<p><img src="https://user-images.githubusercontent.com/23398472/124231131-81a4bb00-db2d-11eb-9d10-8e577ca7b177.gif" alt="textobject-demo" /></p>
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<ul>
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<li><code>ma</code> - Select around the object (<code>va</code> in vim, <code><alt-a></code> in kakoune)</li>
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<li><code>mi</code> - Select inside the object (<code>vi</code> in vim, <code><alt-i></code> in kakoune)</li>
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</ul>
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<table><thead><tr><th>Key after <code>mi</code> or <code>ma</code></th><th>Textobject selected</th></tr></thead><tbody>
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<tr><td><code>w</code></td><td>Word</td></tr>
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<tr><td><code>(</code>, <code>[</code>, <code>'</code>, etc</td><td>Specified surround pairs</td></tr>
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</tbody></table>
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<p>Textobjects based on treesitter, like <code>function</code>, <code>class</code>, etc are planned.</p>
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