Translate touch swipe gestures into wheel events dispatched to the xterm terminal, enabling scrolling on touch devices. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
239 lines
6.7 KiB
HTML
239 lines
6.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
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<link rel="stylesheet" href="{{ config.static.url }}css/xterm.css" />
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<link
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rel="stylesheet"
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href="https://fonts.googleapis.com/css?family=Roboto%20Mono"
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/>
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<script src="{{ config.static.url }}js/textual.js"></script>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body {
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background: #0c181f;
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overflow: hidden;
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width: 100vw;
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height: 100vh;
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height: 100dvh;
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}
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.dialog-container {
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position: absolute;
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width: 100vw;
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height: 100vh;
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height: 100dvh;
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display: flex;
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align-items: center;
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justify-content: center;
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z-index: 10;
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box-shadow: var(--shadow-elevation-high);
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}
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.shade {
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position: absolute;
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width: 100%;
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height: 100%;
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background: #0c181f;
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background-image: url("{{ config.static.url }}images/background.png");
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}
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.intro {
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width: 90%;
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max-width: 640px;
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height: 240px;
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font-size: 16px;
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z-index: 20;
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font-family: "Roboto Mono", menlo, monospace;
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text-align: center;
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opacity: 1;
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color: rgba(255, 255, 255, 0.95);
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background-color: #12232d;
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display: flex;
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align-items: center;
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justify-content: center;
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margin: 16px;
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}
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body.-first-byte .intro-dialog,
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body.-first-byte .intro-dialog .shade {
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opacity: 0;
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transition: opacity 0.3s ease-out;
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display: none;
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}
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body .textual-terminal {
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opacity: 0;
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transition: opacity 0.3s ease-out;
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}
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body.-first-byte .textual-terminal {
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opacity: 1;
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transition: opacity 0.3s ease-out;
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}
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.intro svg {
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padding-right: 16px;
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}
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body Button {
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padding: 16px 32px;
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background-color: #5e0ba7;
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color: rgba(255, 255, 255, 0.95);
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border: none;
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font-family: "Roboto Mono", menlo, monospace;
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margin: 16px;
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display: block;
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}
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Button:hover {
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background: #ac5af4;
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cursor: pointer;
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}
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.closed-dialog {
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opacity: 0;
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display: none;
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}
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body.-closed .closed-dialog {
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opacity: 1;
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display: flex;
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}
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#start {
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display: none;
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}
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#start.-delay {
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display: flex;
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}
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/* Responsive: fit terminal to viewport */
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#terminal {
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position: fixed !important;
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top: 0 !important;
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left: 0 !important;
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width: 100vw !important;
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height: 100vh !important;
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height: 100dvh !important;
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overflow: hidden !important;
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}
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#terminal .xterm {
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width: 100% !important;
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height: 100% !important;
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padding: 0 !important;
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}
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#terminal .xterm-viewport {
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width: 100% !important;
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height: 100% !important;
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}
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#terminal .xterm-screen {
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width: 100% !important;
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}
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</style>
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<script>
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function getStartUrl() {
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const url = new URL(window.location.href);
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const params = new URLSearchParams(url.search);
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params.delete("delay");
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return url.pathname + "?" + params.toString();
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}
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async function refresh() {
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const ping_url = document.body.dataset.pingurl;
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if (ping_url) {
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await fetch(ping_url, {
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method: "GET",
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mode: "no-cors",
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});
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}
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window.location.href = getStartUrl();
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}
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// Auto-select font size for mobile to fit ~50 columns
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(function() {
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var url = new URL(window.location.href);
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if (!url.searchParams.has("fontsize") && window.innerWidth < 768) {
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// xterm char width is ~0.6 * fontSize; target 50 cols for readability
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var fontSize = Math.max(8, Math.floor(window.innerWidth / (50 * 0.6)));
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url.searchParams.set("fontsize", fontSize);
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window.location.replace(url.toString());
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}
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})();
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// Touch-to-scroll: translate swipe gestures into wheel events for xterm
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(function() {
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var touchStartY = null;
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var THRESHOLD = 5;
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document.addEventListener("touchstart", function(e) {
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if (e.touches.length === 1) {
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touchStartY = e.touches[0].clientY;
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}
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}, { passive: true });
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document.addEventListener("touchmove", function(e) {
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if (touchStartY === null || e.touches.length !== 1) return;
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var dy = touchStartY - e.touches[0].clientY;
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if (Math.abs(dy) < THRESHOLD) return;
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touchStartY = e.touches[0].clientY;
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var target = document.querySelector(".xterm-screen") || document.querySelector("#terminal");
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if (!target) return;
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target.dispatchEvent(new WheelEvent("wheel", {
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deltaY: dy > 0 ? 3 : -3,
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deltaMode: 0,
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bubbles: true,
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cancelable: true
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}));
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}, { passive: false });
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document.addEventListener("touchend", function() {
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touchStartY = null;
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}, { passive: true });
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})();
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</script>
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</head>
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<body data-pingurl="{{ ping_url }}">
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<div class="dialog-container intro-dialog">
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<div class="shade"></div>
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<div class="intro">
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<svg
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width="32px"
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viewBox="0 0 2933 2261"
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fill="none"
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xmlns="http://www.w3.org/2000/svg"
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>
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<path
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fill-rule="evenodd"
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clip-rule="evenodd"
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d="M2927.81 0H1677.1L1312.35 205.173H306.689L0.359375 434.921L204.029 893.177H735.972L644.784 2261H1060.36L1441.72 1974.97L2073.92 688.003H2334.4L2717.9 472.286L2927.81 0ZM1245.82 410.347L1276.32 277.656H330.85L153.929 410.347H1245.82ZM1229.16 482.83H100.972L251.134 820.694H813.449L722.26 2188.52H837.043L1229.16 482.83ZM1350.7 277.656L911.417 2188.52H1023.87L1662.19 615.52H2301.36L2451.52 277.656H1350.7ZM1460.19 205.173H2497.79L2733.69 72.4829H1696.09L1460.19 205.173Z"
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fill="#ffffff"
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/>
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</svg>
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<div>{{ application.name or 'Textual Application' }}</div>
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<button type="button" onClick="refresh()" id="start">Start</button>
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</div>
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</div>
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<div class="dialog-container closed-dialog">
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<div class="shade"></div>
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<div class="intro">
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<div class="message">Session ended.</div>
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<button type="button" onClick="refresh()">Restart</button>
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</div>
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</div>
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<div
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id="terminal"
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class="textual-terminal"
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data-session-websocket-url="{{ app_websocket_url }}"
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data-font-size="{{ font_size }}"
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></div>
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</body>
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</html>
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