<!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>