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| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>CodeMirror: Emacs bindings demo</title> | |
| <link rel="stylesheet" href="../lib/codemirror.css"> | |
| <script src="../lib/codemirror.js"></script> | |
| <script src="../mode/clike/clike.js"></script> | |
| <script src="../keymap/emacs.js"></script> | |
| <link rel="stylesheet" href="../doc/docs.css"> | |
| <style type="text/css"> | |
| .CodeMirror {border-top: 1px solid #eee; border-bottom: 1px solid #eee;} | |
| </style> | |
| </head> | |
| <body> | |
| <h1>CodeMirror: Emacs bindings 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>The emacs keybindings are enabled by | |
| including <a href="../keymap/emacs.js">keymap/emacs.js</a> and setting | |
| the <code>keyMap</code> option to <code>"emacs"</code>. Because | |
| CodeMirror's internal API is quite different from Emacs, they are only | |
| a loose approximation of actual emacs bindings, though.</p> | |
| <p>Also note that a lot of browsers disallow certain keys from being | |
| captured. For example, Chrome blocks both Ctrl-W and Ctrl-N, with the | |
| result that idiomatic use of Emacs keys will constantly close your tab | |
| or open a new window.</p> | |
| <script> | |
| CodeMirror.commands.save = function() { | |
| var elt = editor.getWrapperElement(); | |
| elt.style.background = "#def"; | |
| setTimeout(function() { elt.style.background = ""; }, 300); | |
| }; | |
| var editor = CodeMirror.fromTextArea(document.getElementById("code"), { | |
| lineNumbers: true, | |
| mode: "text/x-csrc", | |
| keyMap: "emacs" | |
| }); | |
| </script> | |
| </body> | |
| </html> | |