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pointerEvents.html
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pointerEvents.html
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<!doctype html>
<html>
<head>
<title>Pointer events test</title>
<meta name="viewport" content="initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width, height=device-height, user-scalable=no" />
<style>
html,body {
width: 100%;
height: 100vh;
background: white;
color: black;
overflow: hidden;
}
body {
position: fixed;
user-select: none;
touch-action: none;
-webkit-touch-callout: none;
}
</style>
</head>
<body>
<pre id="debug" style="pointer-events:none;user-select:none;"></pre>
<script>
if (/AppleWebKit/.test(navigator.userAgent) && devicePixelRatio > 1) {
var scale = 1/devicePixelRatio;
var viewport = document.querySelector("meta[name=viewport]");
viewport.setAttribute('content', `width=device-width, height=device-height, initial-scale=${scale}, minimum-scale=${scale}, maximum-scale=${scale}, user-scalable=0`);
// document.body.style.zoom = devicePixelRatio;
}
var touches = [];
document.body.addEventListener("touchstart", ev => {
ev.preventDefault();
touches = Array.from(ev.touches).map(t => [t.force, t.clientX, t.clientY, t.radiusX, t.radiusY, t.rotationAngle]);
});
document.body.addEventListener("touchmove", ev => {
ev.preventDefault();
touches = Array.from(ev.touches).map(t => [t.force, t.clientX, t.clientY, t.radiusX, t.radiusY, t.rotationAngle]);
});
document.body.addEventListener("touchend", ev => ev.preventDefault());
document.body.addEventListener("touchcancel", ev => ev.preventDefault());
document.body.addEventListener("click", ev => ev.preventDefault());
document.body.addEventListener("dblclick", ev => ev.preventDefault());
document.body.addEventListener("contextmenu", ev => ev.preventDefault());
var events = "pointerdown pointerup pointermove pointerover pointerout pointerenter pointercancel pointerleave".split(" ");
// if (false)
for (var i=0; i<events.length; i++) {
var eventType = events[i];
document.body.addEventListener(eventType, function(ev) {
ev.preventDefault();
let pressure = ev.pressure;
window.debug.innerHTML = (
"eventType: " + ev.type +
"\npressure: " + pressure +
"\ncX: " + ev.clientX +
"\ncY: " + ev.clientY +
"\ntiltX: " + ev.tiltX +
"\ntiltY: " + ev.tiltY +
"\nradiusX: " + ev.radiusX +
"\nradiusY: " + ev.radiusY +
"\ntwist: " + ev.twist +
"\npointerType: " + ev.pointerType +
"\nisPrimary: " + ev.isPrimary +
"\nwidth: " + ev.width +
"\nheight: " + ev.height +
"\ntangentialPressure: " + ev.tangentialPressure +
"\n\n" + touches.map(t => t.join("\n")).join("\n\n")
);
}, false);
}
</script>
</body>
</html>