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simple_shell.html
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<!-- Simple Shell Implementation -->
<!doctype html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Placeholder Title</title>
<style>
#canvas {
position: absolute;
top: 0px;
left: 0px;
margin: 0px;
width: 100%;
height: 100%;
overflow: hidden;
display: block;
}
</style>
</head>
<body>
<!-- Create the canvas that the C++ code will draw into -->
<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
<!-- Optional area to insert elements into -->
<!-- <textarea hidden class="emscripten" id="output" rows="8" hidden></textarea> -->
<!-- Allow the C++ to access the canvas element -->
<script type='text/javascript'>
var Module = {
print: (function () {
return (...args) => {
// var element = document.getElementById('output');
// if (element) element.value = ''; // clear browser cache
var text = args.join(' ');
console.log(text);
// if (element) {
// element.value += text + "\n";
// element.scrollTop = element.scrollHeight; // focus on bottom
// }
};
})(),
printErr: function (text) {
if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
if (0) {
dump(text + '\n');
}
},
canvas: (() => {
var canvas = document.getElementById('canvas');
// As a default initial behavior, pop up an alert when webgl context is lost. To make your
// application robust, you may want to override this behavior before shipping!
// See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
canvas.addEventListener("webglcontextlost", (e) => { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
return canvas;
})(),
};
</script>
{{{ SCRIPT }}}
</body>
</html>