1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | <!doctype html> <html> <head> <title>CodeMirror: Visible tabs demo</title> <link rel="stylesheet" href="../lib/codemirror.css"> <script src="../lib/codemirror.js"></script> <script src="../mode/clike/clike.js"></script> <link rel="stylesheet" href="../doc/docs.css"> <style type="text/css"> .CodeMirror {border-top: 1px solid #eee; border-bottom: 1px solid #eee;} .cm-tab:after { content: "\21e5"; display: -moz-inline-block; display: -webkit-inline-block; display: inline-block; width: 0px; position: relative; overflow: visible; left: -1.4em; color: #aaa; } </style> </head> <body> <h1>CodeMirror: Visible tabs demo</h1> <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. This demo uses an <code>:after</code> pseudo-class CSS hack that will not work on old browsers. You can use a more conservative technique like a background image as an alternative.</p> <script> var editor = CodeMirror.fromTextArea(document.getElementById("code"), { lineNumbers: true, tabSize: 4, indentUnit: 4, indentWithTabs: true, mode: "text/x-csrc" }); </script> </body> </html> |