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      1 <!doctype html>
      2 
      3 <title>CodeMirror: Vim bindings demo</title>
      4 <meta charset="utf-8"/>
      5 <link rel=stylesheet href="../doc/docs.css">
      6 
      7 <link rel="stylesheet" href="../lib/codemirror.css">
      8 <link rel="stylesheet" href="../addon/dialog/dialog.css">
      9 <link rel="stylesheet" href="../theme/midnight.css">
     10 <link rel="stylesheet" href="../theme/solarized.css">
     11 <script src="../lib/codemirror.js"></script>
     12 <script src="../addon/dialog/dialog.js"></script>
     13 <script src="../addon/search/searchcursor.js"></script>
     14 <script src="../mode/clike/clike.js"></script>
     15 <script src="../addon/edit/matchbrackets.js"></script>
     16 <script src="../keymap/vim.js"></script>
     17 <style type="text/css">
     18       .CodeMirror {border-top: 1px solid #eee; border-bottom: 1px solid #eee;}
     19     </style>
     20 <div id=nav>
     21   <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
     22 
     23   <ul>
     24     <li><a href="../index.html">Home</a>
     25     <li><a href="../doc/manual.html">Manual</a>
     26     <li><a href="https://github.com/codemirror/codemirror">Code</a>
     27   </ul>
     28   <ul>
     29     <li><a class=active href="#">Vim bindings</a>
     30   </ul>
     31 </div>
     32 
     33 <article>
     34 <h2>Vim bindings demo</h2>
     35 
     36 <p><strong style="color: #c33; text-decoration: none">Note:</strong> The CodeMirror vim bindings do not have an
     37 active maintainer. That means that if you report bugs in it, they are
     38 likely to go unanswered. It also means that if you want to help, you
     39 are very welcome to look
     40 at <a href="https://github.com/codemirror/codemirror/issues?q=is%3Aissue+is%3Aopen+label%3Avim">the
     41 open issues</a> and see which ones you can solve.</p>
     42 
     43 <form><textarea id="code" name="code">
     44 #include "syscalls.h"
     45 /* getchar:  simple buffered version */
     46 int getchar(void)
     47 {
     48   static char buf[BUFSIZ];
     49   static char *bufp = buf;
     50   static int n = 0;
     51   if (n == 0) {  /* buffer is empty */
     52     n = read(0, buf, sizeof buf);
     53     bufp = buf;
     54   }
     55   return (--n >= 0) ? (unsigned char) *bufp++ : EOF;
     56 }
     57 </textarea></form>
     58 <div style="font-size: 13px; width: 300px; height: 30px;">Key buffer: <span id="command-display"></span></div>
     59 
     60 <p>The vim keybindings are enabled by including <code><a
     61 href="../keymap/vim.js">keymap/vim.js</a></code> and setting the
     62 <code>keyMap</code> option to <code>vim</code>.</p>
     63 
     64 <p><strong>Features</strong></p>
     65 
     66 <ul>
     67   <li>All common motions and operators, including text objects</li>
     68   <li>Operator motion orthogonality</li>
     69   <li>Visual mode - characterwise, linewise, blockwise</li>
     70   <li>Full macro support (q, @)</li>
     71   <li>Incremental highlighted search (/, ?, #, *, g#, g*)</li>
     72   <li>Search/replace with confirm (:substitute, :%s)</li>
     73   <li>Search history</li>
     74   <li>Jump lists (Ctrl-o, Ctrl-i)</li>
     75   <li>Key/command mapping with API (:map, :nmap, :vmap)</li>
     76   <li>Sort (:sort)</li>
     77   <li>Marks (`, ')</li>
     78   <li>:global</li>
     79   <li>Insert mode behaves identical to base CodeMirror</li>
     80   <li>Cross-buffer yank/paste</li>
     81 </ul>
     82 
     83 <p>For the full list of key mappings and Ex commands, refer to the
     84 <code>defaultKeymap</code> and <code>defaultExCommandMap</code> at the
     85 top of <code><a href="../keymap/vim.js">keymap/vim.js</a></code>.
     86 
     87 <p>Note that while the vim mode tries to emulate the most useful
     88 features of vim as faithfully as possible, it does not strive to
     89 become a complete vim implementation</p>
     90 
     91     <script>
     92       CodeMirror.commands.save = function(){ alert("Saving"); };
     93       var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
     94         lineNumbers: true,
     95         mode: "text/x-csrc",
     96         keyMap: "vim",
     97         matchBrackets: true,
     98         showCursorWhenSelecting: true,
     99         inputStyle: "contenteditable"
    100       });
    101       var commandDisplay = document.getElementById('command-display');
    102       var keys = '';
    103       CodeMirror.on(editor, 'vim-keypress', function(key) {
    104         keys = keys + key;
    105         commandDisplay.innerHTML = keys;
    106       });
    107       CodeMirror.on(editor, 'vim-command-done', function(e) {
    108         keys = '';
    109         commandDisplay.innerHTML = keys;
    110       });
    111     </script>
    112 
    113   </article>