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diff .cms/lib/codemirror/demo/emacs.html @ 0:78edf6b517a0 draft
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author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.cms/lib/codemirror/demo/emacs.html Fri Oct 11 22:40:23 2024 +0000 @@ -0,0 +1,76 @@ +<!doctype html> + +<title>CodeMirror: Emacs bindings demo</title> +<meta charset="utf-8"/> +<link rel=stylesheet href="../doc/docs.css"> + +<link rel="stylesheet" href="../lib/codemirror.css"> +<link rel="stylesheet" href="../addon/dialog/dialog.css"> +<script src="../lib/codemirror.js"></script> +<script src="../mode/clike/clike.js"></script> +<script src="../keymap/emacs.js"></script> +<script src="../addon/edit/matchbrackets.js"></script> +<script src="../addon/comment/comment.js"></script> +<script src="../addon/dialog/dialog.js"></script> +<script src="../addon/search/searchcursor.js"></script> +<script src="../addon/search/search.js"></script> +<style> + .CodeMirror {border-top: 1px solid #eee; border-bottom: 1px solid #eee;} + </style> +<div id=nav> + <a href="https://codemirror.net/5"><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/codemirror5">Code</a> + </ul> + <ul> + <li><a class=active href="#">Emacs bindings</a> + </ul> +</div> + +<article> +<h2>Emacs bindings 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>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", + matchBrackets: true, + keyMap: "emacs" + }); + </script> + + </article>