143 lines
4.3 KiB
HTML
143 lines
4.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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</head>
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<body>
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<div>
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<style>
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p {
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font-size: 24;
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}
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</style>
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<div style="height: 50px; width: 10000px; background-color: blue;"></div>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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v
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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<p>Nice thanks man awesome</p>
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</div>
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<div id="widget" style="position: fixed; top: 0px; left: 0px; width: 100px; height: 100px; background-color: red;"></div>
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<script type="text/javascript">
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let widget = document.getElementById("widget");
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let isDown = false;
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function onMouseDown(e) {
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e.preventDefault();
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e.stopPropagation();
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isDown = true;
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this.setPointerCapture(e.pointerId);
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}
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function setCorner(anchorX, anchorY, element) {
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let offsets = element.getBoundingClientRect();
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if (anchorX < window.innerWidth / 2){
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// left half
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if (anchorY < window.innerHeight / 2) {
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// top left
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element.style.left = "0px";
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element.style.top = "0px";
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}
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else {
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// bottom left
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element.style.left = "0px";
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element.style.top = window.innerHeight - offsets.height + "px";
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}
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}
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else {
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// right half
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if (anchorY < window.innerHeight / 2) {
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// top right
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element.style.left = window.innerWidth - offsets.width + "px";4
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element.style.top = "0px";
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}
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else {
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// bottom right
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element.style.left = window.innerWidth - offsets.width + "px";
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element.style.top = window.innerHeight - offsets.height + "px";
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}
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}
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}
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function onMouseMove(e) {
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e.preventDefault();
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e.stopPropagation();
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if (isDown) {
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setCorner(e.clientX, e.clientY, this);
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}
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}
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function onMouseUp(e) {
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e.preventDefault();
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e.stopPropagation();
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isDown = false;
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this.releasePointerCapture(e.pointerId);
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}
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function onMouseLeave(e) {
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e.preventDefault();
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e.stopPropagation();
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if (isDown) {
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}
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}
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widget.addEventListener("pointerdown", onMouseDown);
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widget.addEventListener("pointermove", onMouseMove);
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widget.addEventListener("pointerleave", onMouseLeave);
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widget.addEventListener("pointerup", onMouseUp);
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window.addEventListener("resize", () => {
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let offsets = widget.getBoundingClientRect();
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setCorner(offsets.left, offsets.top, widget);
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});
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</script>
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</body>
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</html> |