<!doctype html>

<title>CodeMirror: Visible tabs demo</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../doc/docs.css">

<link rel="stylesheet" href="../lib/codemirror.css">
<script src="../lib/codemirror.js"></script>
<script src="../mode/clike/clike.js"></script>
<style type="text/css">
      .CodeMirror {border-top: 1px solid #eee; border-bottom: 1px solid #eee;}
      .cm-tab {
         background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAMCAYAAAAkuj5RAAAAAXNSR0IArs4c6QAAAGFJREFUSMft1LsRQFAQheHPowAKoACx3IgEKtaEHujDjORSgWTH/ZOdnZOcM/sgk/kFFWY0qV8foQwS4MKBCS3qR6ixBJvElOobYAtivseIE120FaowJPN75GMu8j/LfMwNjh4HUpwg4LUAAAAASUVORK5CYII=);
         background-position: right;
         background-repeat: no-repeat;
      }
    </style>
<div id=nav>
  <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>

  <ul>
    <li><a href="../index.html">Home</a>
    <li><a href="../doc/manual.html">Manual</a>
    <li><a href="https://github.com/codemirror/codemirror">Code</a>
  </ul>
  <ul>
    <li><a class=active href="#">Visible tabs</a>
  </ul>
</div>

<article>
<h2>Visible tabs demo</h2>
<form><textarea id="code" name="code">
#include "syscalls.h"
/* getchar:  simple buffered version */
int getchar(void)
{
	static char buf[BUFSIZ];
	static char *bufp = buf;
	static int n = 0;
	if (n == 0) {  /* buffer is empty */
		n = read(0, buf, sizeof buf);
		bufp = buf;
	}
	return (--n >= 0) ? (unsigned char) *bufp++ : EOF;
}
</textarea></form>

<p>Tabs inside the editor are spans with the
class <code>cm-tab</code>, and can be styled.</p>

    <script>
      var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
        lineNumbers: true,
        tabSize: 4,
        indentUnit: 4,
        indentWithTabs: true,
        mode: "text/x-csrc"
      });
    </script>

  </article>
