324 lines
13 KiB
JavaScript
324 lines
13 KiB
JavaScript
function ISOTerminal(instance,opts){
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// create a neutral isoterminal object which can be decorated
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// with prototype functions and has addListener() and dispatchEvent()
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let obj = new EventTarget()
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obj.instance = instance
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obj.opts = opts
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// register default event listeners (enable file based features like isoterminal/jsconsole.js e.g.)
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for( let event in ISOTerminal.listener )
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for( let cb in ISOTerminal.listener[event] )
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obj.addEventListener( event, ISOTerminal.listener[event][cb] )
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// compose object with functions
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for( let i in ISOTerminal.prototype ) obj[i] = ISOTerminal.prototype[i]
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obj.emit('init')
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return obj
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}
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ISOTerminal.prototype.emit = function(event,data){
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data = data || false
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this.dispatchEvent( new CustomEvent(event, {detail: data} ) )
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}
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ISOTerminal.addEventListener = (event,cb) => {
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ISOTerminal.listener = ISOTerminal.listener || {}
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ISOTerminal.listener[event] = ISOTerminal.listener[event] || []
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ISOTerminal.listener[event].push(cb)
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}
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// ISOTerminal has defacto support for AFRAME
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// but can be decorated to work without it as well
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if( typeof AFRAME != 'undefined '){
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AFRAME.registerComponent('isoterminal', {
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schema: {
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iso: { type:"string", "default":"https://forgejo.isvery.ninja/assets/xrsh-buildroot/main/xrsh.iso" },
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overlayfs: { type:"string"},
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cols: { type: 'number',"default": 120 },
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rows: { type: 'number',"default": 30 },
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padding: { type: 'number',"default": 18 },
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minimized: { type: 'boolean',"default":false},
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maximized: { type: 'boolean',"default":false},
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transparent: { type:'boolean', "default":false }, // need good gpu
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xterm: { type: 'boolean', "default":true }, // use xterm.js? (=slower)
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memory: { type: 'number', "default":48 } // VM memory (in MB)
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},
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init: function(){
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this.el.object3D.visible = false
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fetch(this.data.iso,{method: 'HEAD'})
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.then( (res) => {
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if( res.status != 200 ) throw 'not found'
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})
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.catch( (e) => {
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console.warn(this.data.iso+" could not be loaded, loading fallback ISO URL:")
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console.warn(this.schema.iso.default)
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this.data.iso = this.schema.iso.default
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})
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.finally( () => this.initTerminal(true) )
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},
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requires:{
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com: "com/dom.js",
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window: "com/window.js",
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v86: "com/isoterminal/libv86.js",
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// allow xrsh to selfcontain scene + itself
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xhook: "https://jpillora.com/xhook/dist/xhook.min.js",
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selfcontain: "com/selfcontainer.js",
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// html to texture
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htmlinxr: "com/html-as-texture-in-xr.js",
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// isoterminal features
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core: "com/isoterminal/core.js",
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utils_9p: "com/isoterminal/feat/9pfs_utils.js",
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boot: "com/isoterminal/feat/boot.js",
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jsconsole: "com/isoterminal/feat/jsconsole.js",
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javascript: "com/isoterminal/feat/javascript.js",
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indexhtml: "com/isoterminal/feat/index.html.js",
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indexjs: "com/isoterminal/feat/index.js.js",
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autorestore: "com/isoterminal/feat/autorestore.js",
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localforage: "https://cdn.rawgit.com/mozilla/localForage/master/dist/localforage.js"
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},
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dom: {
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scale: 0.66,
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events: ['click','keydown'],
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html: (me) => `<div class="isoterminal">
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<div id="screen" style="white-space: pre; font: 14px monospace; "></div>
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<canvas style="display: none"></canvas>
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<div id="serial"></div>
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</div>`,
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css: (me) => `.isoterminal{
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padding: ${me.com.data.padding}px;
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width:100%;
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height:100%;
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}
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@font-face {
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font-family: 'Cousine';
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font-style: normal;
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font-weight: 400;
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src: url(./com/isoterminal/assets/Cousine.ttf) format('truetype');
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}
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@font-face {
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font-family: 'Cousine';
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font-style: normal;
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font-weight: 700;
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src: url(./com/isoterminal/assets/CousineBold.ttf) format('truetype');
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}
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.isoterminal *{
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white-space: pre;
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line-height:16px;
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display:inline;
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overflow: hidden;
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}
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.isoterminal *,
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.xterm-dom-renderer-owner-1 .xterm-rows {
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font-size: 14px;
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font-family: "Cousine",Liberation Mono,DejaVu Sans Mono,Courier New,monospace;
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font-weight:500 !important;
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letter-spacing: 0 !important;
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text-shadow: 0px 0px 10px #F075;
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}
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.isoterminal style{ display:none }
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.wb-body:has(> .isoterminal){
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background: #000C;
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overflow:hidden;
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border-radius:7px;
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}
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.XR .wb-body:has(> .isoterminal){
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background: #000;
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}
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.isoterminal div{ display:block; }
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.isoterminal span{ display: inline }
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@keyframes fade {
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from { opacity: 1.0; }
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50% { opacity: 0.5; }
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to { opacity: 1.0; }
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}
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@-webkit-keyframes fade {
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from { opacity: 1.0; }
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50% { opacity: 0.5; }
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to { opacity: 1.0; }
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}
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.blink {
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animation:fade 1000ms infinite;
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-webkit-animation:fade 1000ms infinite;
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}
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`
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},
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initTerminal: async function(singleton){
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if( this.data.xterm ){
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this.requires.xtermjs = "https://unpkg.com/@xterm/xterm@5.5.0/lib/xterm.js"
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this.requires.xtermcss = "https://unpkg.com/@xterm/xterm@5.5.0/css/xterm.css"
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this.requires.xterm = "com/isoterminal/feat/xterm.js"
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// xterm relies on window.requestAnimationFrame which is not called in XR (xrSession.requestAnimationFrame is)
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}
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let s = await AFRAME.utils.require(this.requires)
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this.el.setAttribute("selfcontainer","")
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// *DISABLED* instance this component
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// rason: we only need one term for now (more = too cpu heavy)
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let instance
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if( singleton ){
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instance = this.el
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}else{
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if( this.instance ){
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const el = document.querySelector('.isoterminal')
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return console.warn('TODO: allow multiple terminals for future beefy devices(see v86 examples)')
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}
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instance = this.instance = this.el.cloneNode(false)
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this.el.sceneEl.appendChild( instance )
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}
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// init isoterminal
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this.isoterminal = new ISOTerminal(instance,this.data)
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instance.addEventListener('DOMready', () => {
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//instance.winbox.resize(720,380)
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let size = this.data.xterm ? 'width: 1024px; height:600px'
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: 'width: 720px; height:455px'
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instance.setAttribute("window", `title: xrsh.iso; uid: ${instance.uid}; attach: #overlay; dom: #${instance.dom.id}; ${size}; min: ${this.data.minimized}; max: ${this.data.maximized}`)
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})
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instance.addEventListener('window.oncreate', (e) => {
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instance.dom.classList.add('blink')
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// run iso
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let opts = {dom:instance.dom}
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for( let i in this.data ) opts[i] = this.data[i]
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this.isoterminal.runISO(opts)
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})
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instance.setAttribute("dom", "")
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this.isoterminal.addEventListener('postReady', (e)=>{
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// bugfix: send window dimensions to xterm (xterm.js does that from dom-sizechange to xterm via escape codes)
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let wb = instance.winbox
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if( this.data.maximized ){
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wb.restore()
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wb.maximize()
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}else wb.resize()
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})
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this.isoterminal.addEventListener('ready', (e)=>{
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instance.dom.classList.remove('blink')
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this.isoterminal.emit('status',"running")
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setTimeout( () => { // important: after window maximize animation to get true size
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instance.setAttribute("html-as-texture-in-xr", `domid: #${instance.uid}`) // only show aframe-html in xr
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},1500)
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})
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this.isoterminal.addEventListener('status', function(e){
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let msg = e.detail
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const w = instance.winbox
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if(!w) return
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w.titleBak = w.titleBak || w.title
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w.setTitle( `${w.titleBak} [${msg}]` )
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})
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instance.addEventListener('window.onclose', (e) => {
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if( !confirm('do you want to kill this virtual machine and all its processes?') ) e.halt = true
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})
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const resize = (w,h) => { }
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instance.addEventListener('window.onresize', resize )
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instance.addEventListener('window.onmaximize', resize )
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const focus = (e) => {
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if( this.isoterminal?.emulator?.serial_adapter?.term ){
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this.isoterminal.emulator.serial_adapter.term.focus()
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}
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}
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instance.addEventListener('obbcollisionstarted', focus )
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this.el.sceneEl.addEventListener('enter-vr', focus )
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this.el.sceneEl.addEventListener('enter-ar', focus )
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instance.object3D.quaternion.copy( AFRAME.scenes[0].camera.quaternion ) // face towards camera
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},
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events:{
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// combined AFRAME+DOM reactive events
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click: function(e){ }, //
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keydown: function(e){ },
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// reactive events for this.data updates
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myvalue: function(e){ this.el.dom.querySelector('b').innerText = this.data.myvalue },
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ready: function( ){
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this.el.dom.style.display = 'none'
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},
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launcher: async function(){
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this.initTerminal()
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}
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},
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manifest: { // HTML5 manifest to identify app to xrsh
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"iso": "linux-x64-4.15.iso",
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"short_name": "ISOTerm",
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"name": "terminal",
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"icons": [
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{
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"src": "https://css.gg/terminal.svg",
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"src": "data:image/svg+xml;base64,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",
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"type": "image/svg+xml",
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"sizes": "512x512"
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}
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],
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"id": "/?source=pwa",
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"start_url": "/?source=pwa",
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"background_color": "#3367D6",
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"display": "standalone",
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"scope": "/",
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"theme_color": "#3367D6",
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"shortcuts": [
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{
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"name": "What is the latest news?",
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"cli":{
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"usage": "helloworld <type> [options]",
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"example": "helloworld news",
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"args":{
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"--latest": {type:"string"}
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}
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},
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"short_name": "Today",
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"description": "View weather information for today",
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"url": "/today?source=pwa",
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"icons": [{ "src": "/images/today.png", "sizes": "192x192" }]
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}
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],
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"description": "Hello world information",
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"screenshots": [
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{
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"src": "/images/screenshot1.png",
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"type": "image/png",
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"sizes": "540x720",
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"form_factor": "narrow"
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}
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],
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"help":`
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Helloworld application
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This is a help file which describes the application.
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It will be rendered thru troika text, and will contain
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headers based on non-punctualized lines separated by linebreaks,
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in above's case "\nHelloworld application\n" will qualify as header.
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`
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}
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});
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}
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