854 lines
40 KiB
JavaScript
854 lines
40 KiB
JavaScript
/**
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* @description Remote Desktop
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* @author Ylian Saint-Hilaire
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* @version v0.0.2g
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*/
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// Polyfill Uint8Array.slice() for IE
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if (!Uint8Array.prototype.slice) { Object.defineProperty(Uint8Array.prototype, 'slice', { value: function (begin, end) { return new Uint8Array(Array.prototype.slice.call(this, begin, end)); } }); }
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// Construct a MeshServer object
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var CreateAgentRemoteDesktop = function (canvasid, scrolldiv) {
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var obj = {}
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obj.CanvasId = canvasid;
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if (typeof canvasid === 'string') obj.CanvasId = Q(canvasid);
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obj.Canvas = obj.CanvasId.getContext('2d');
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obj.scrolldiv = scrolldiv;
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obj.State = 0;
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obj.PendingOperations = [];
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obj.tilesReceived = 0;
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obj.TilesDrawn = 0;
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obj.KillDraw = 0;
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obj.ipad = false;
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obj.tabletKeyboardVisible = false;
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obj.LastX = 0;
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obj.LastY = 0;
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obj.touchenabled = 0;
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obj.submenuoffset = 0;
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obj.touchtimer = null;
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obj.TouchArray = {};
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obj.connectmode = 0; // 0 = HTTP, 1 = WebSocket, 2 = WebRTC
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obj.connectioncount = 0;
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obj.rotation = 0;
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obj.protocol = 2; // KVM
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obj.debugmode = 0;
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obj.firstUpKeys = [];
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obj.stopInput = false;
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obj.localKeyMap = true;
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obj.remoteKeyMap = false; // If false, the remote keyboard mapping is not used.
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obj.pressedKeys = [];
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obj.sessionid = 0;
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obj.username;
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obj.oldie = false;
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obj.CompressionLevel = 50;
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obj.ScalingLevel = 1024;
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obj.FrameRateTimer = 100;
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obj.SwapMouse = false;
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obj.FirstDraw = false;
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obj.ScreenWidth = 960;
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obj.ScreenHeight = 701;
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obj.width = 960;
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obj.height = 960;
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obj.displays = null;
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obj.selectedDisplay = null;
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obj.onScreenSizeChange = null;
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obj.onMessage = null;
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obj.onConnectCountChanged = null;
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obj.onDebugMessage = null;
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obj.onTouchEnabledChanged = null;
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obj.onDisplayinfo = null;
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obj.accumulator = null;
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var xMouseCursorActive = true;
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var xMouseCursorCurrent = 'default';
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obj.mouseCursorActive = function (x) { if (xMouseCursorActive == x) return; xMouseCursorActive = x; obj.CanvasId.style.cursor = ((x == true) ? xMouseCursorCurrent : 'default'); }
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var mouseCursors = ['default', 'progress', 'crosshair', 'pointer', 'help', 'text', 'no-drop', 'move', 'nesw-resize', 'ns-resize', 'nwse-resize', 'w-resize', 'alias', 'wait', 'none', 'not-allowed', 'col-resize', 'row-resize', 'copy', 'zoom-in', 'zoom-out'];
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obj.Start = function () {
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obj.State = 0;
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obj.accumulator = null;
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}
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obj.Stop = function () {
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obj.setRotation(0);
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obj.UnGrabKeyInput();
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obj.UnGrabMouseInput();
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obj.touchenabled = 0;
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if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId);
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obj.Canvas.clearRect(0, 0, obj.CanvasId.width, obj.CanvasId.height);
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}
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obj.xxStateChange = function (newstate) {
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if (obj.State == newstate) return;
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obj.State = newstate;
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obj.CanvasId.style.cursor = 'default';
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//console.log('xxStateChange', newstate);
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switch (newstate) {
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case 0: {
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// Disconnect
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obj.Stop();
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break;
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}
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case 3: {
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// Websocket connected
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break;
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}
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}
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}
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obj.send = function (x) {
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if (obj.debugmode > 2) { console.log('KSend(' + x.length + '): ' + rstr2hex(x)); }
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if (obj.parent != null) { obj.parent.send(x); }
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}
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// KVM Control.
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// Routines for processing incoming packets from the AJAX server, and handling individual messages.
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obj.ProcessPictureMsg = function (data, X, Y) {
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//if (obj.targetnode != null) obj.Debug("ProcessPictureMsg " + X + "," + Y + " - " + obj.targetnode.substring(0, 8));
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var tile = new Image();
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tile.xcount = obj.tilesReceived++;
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var r = obj.tilesReceived, tdata = data.slice(4), ptr = 0, strs = [];
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// String.fromCharCode.apply() can't handle very large argument count, so we have to split like this.
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while ((tdata.byteLength - ptr) > 50000) { strs.push(String.fromCharCode.apply(null, tdata.slice(ptr, ptr + 50000))); ptr += 50000; }
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if (ptr > 0) { strs.push(String.fromCharCode.apply(null, tdata.slice(ptr))); } else { strs.push(String.fromCharCode.apply(null, tdata)); }
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tile.src = 'data:image/jpeg;base64,' + btoa(strs.join(''));
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tile.onload = function () {
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//console.log('DecodeTile #' + this.xcount);
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if ((obj.Canvas != null) && (obj.KillDraw < r) && (obj.State != 0)) {
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obj.PendingOperations.push([r, 2, tile, X, Y]);
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while (obj.DoPendingOperations()) { }
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} else {
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obj.PendingOperations.push([r, 0]);
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}
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}
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tile.error = function () { console.log('DecodeTileError'); }
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}
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obj.DoPendingOperations = function () {
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if (obj.PendingOperations.length == 0) return false;
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for (var i = 0; i < obj.PendingOperations.length; i++) { // && KillDraw < tilesDrawn
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var Msg = obj.PendingOperations[i];
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if (Msg[0] == (obj.TilesDrawn + 1)) {
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if (Msg[1] == 1) { obj.ProcessCopyRectMsg(Msg[2]); }
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else if (Msg[1] == 2) { obj.Canvas.drawImage(Msg[2], obj.rotX(Msg[3], Msg[4]), obj.rotY(Msg[3], Msg[4])); delete Msg[2]; }
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obj.PendingOperations.splice(i, 1);
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delete Msg;
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obj.TilesDrawn++;
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if ((obj.TilesDrawn == obj.tilesReceived) && (obj.KillDraw < obj.TilesDrawn)) { obj.KillDraw = obj.TilesDrawn = obj.tilesReceived = 0; }
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return true;
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}
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}
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if (obj.oldie && obj.PendingOperations.length > 0) { obj.TilesDrawn++; }
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return false;
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}
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obj.ProcessCopyRectMsg = function (str) {
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var SX = ((str.charCodeAt(0) & 0xFF) << 8) + (str.charCodeAt(1) & 0xFF);
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var SY = ((str.charCodeAt(2) & 0xFF) << 8) + (str.charCodeAt(3) & 0xFF);
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var DX = ((str.charCodeAt(4) & 0xFF) << 8) + (str.charCodeAt(5) & 0xFF);
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var DY = ((str.charCodeAt(6) & 0xFF) << 8) + (str.charCodeAt(7) & 0xFF);
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var WIDTH = ((str.charCodeAt(8) & 0xFF) << 8) + (str.charCodeAt(9) & 0xFF);
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var HEIGHT = ((str.charCodeAt(10) & 0xFF) << 8) + (str.charCodeAt(11) & 0xFF);
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obj.Canvas.drawImage(Canvas.canvas, SX, SY, WIDTH, HEIGHT, DX, DY, WIDTH, HEIGHT);
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}
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obj.SendUnPause = function () {
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if (obj.debugmode > 1) { console.log('SendUnPause'); }
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//obj.xxStateChange(3);
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obj.send(String.fromCharCode(0x00, 0x08, 0x00, 0x05, 0x00));
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}
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obj.SendPause = function () {
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if (obj.debugmode > 1) { console.log('SendPause'); }
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//obj.xxStateChange(2);
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obj.send(String.fromCharCode(0x00, 0x08, 0x00, 0x05, 0x01));
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}
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obj.SendCompressionLevel = function (type, level, scaling, frametimer) {
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if (level) { obj.CompressionLevel = level; }
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if (scaling) { obj.ScalingLevel = scaling; }
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if (frametimer) { obj.FrameRateTimer = frametimer; }
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//console.log('SendCompressionLevel', obj.CompressionLevel, obj.ScalingLevel, obj.FrameRateTimer);
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obj.send(String.fromCharCode(0x00, 0x05, 0x00, 0x0A, type, obj.CompressionLevel) + obj.shortToStr(obj.ScalingLevel) + obj.shortToStr(obj.FrameRateTimer));
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}
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obj.SendRefresh = function () {
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obj.send(String.fromCharCode(0x00, 0x06, 0x00, 0x04));
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}
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obj.ProcessScreenMsg = function (width, height) {
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if (obj.debugmode > 0) { console.log('ScreenSize: ' + width + ' x ' + height); }
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if ((obj.ScreenWidth == width) && (obj.ScreenHeight == height)) return; // Ignore change if screen is same size.
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obj.Canvas.setTransform(1, 0, 0, 1, 0, 0);
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obj.rotation = 0;
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obj.FirstDraw = true;
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obj.ScreenWidth = obj.width = width;
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obj.ScreenHeight = obj.height = height;
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obj.KillDraw = obj.tilesReceived;
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while (obj.PendingOperations.length > 0) { obj.PendingOperations.shift(); }
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obj.SendCompressionLevel(1);
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obj.SendUnPause();
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if (obj.onScreenSizeChange != null) { obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId); }
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}
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obj.ProcessBinaryCommand = function (cmd, cmdsize, view) {
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var X, Y;
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if ((cmd == 3) || (cmd == 4) || (cmd == 7)) { X = (view[4] << 8) + view[5]; Y = (view[6] << 8) + view[7]; }
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if (obj.debugmode > 2) { console.log('CMD', cmd, cmdsize, X, Y); }
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// Record the command if needed
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if (obj.recordedData != null) {
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if (cmdsize > 65000) {
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obj.recordedData.push(recordingEntry(2, 1, obj.shortToStr(27) + obj.shortToStr(8) + obj.intToStr(cmdsize) + obj.shortToStr(cmd) + obj.shortToStr(0) + obj.shortToStr(0) + obj.shortToStr(0) + String.fromCharCode.apply(null, view)));
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} else {
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obj.recordedData.push(recordingEntry(2, 1, String.fromCharCode.apply(null, view)));
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}
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}
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switch (cmd) {
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case 3: // Tile
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if (obj.FirstDraw) obj.onResize();
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//console.log('TILE', X, Y);
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obj.ProcessPictureMsg(view.slice(4), X, Y);
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break;
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case 7: // Screen size
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obj.ProcessScreenMsg(X, Y);
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obj.SendKeyMsgKC(obj.KeyAction.UP, 16); // Shift
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obj.SendKeyMsgKC(obj.KeyAction.UP, 17); // Ctrl
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obj.SendKeyMsgKC(obj.KeyAction.UP, 18); // Alt
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obj.SendKeyMsgKC(obj.KeyAction.UP, 91); // Left-Windows
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obj.SendKeyMsgKC(obj.KeyAction.UP, 92); // Right-Windows
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obj.SendKeyMsgKC(obj.KeyAction.UP, 16); // Shift
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obj.send(String.fromCharCode(0x00, 0x0E, 0x00, 0x04));
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break;
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case 11: // GetDisplays (TODO)
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var selectedDisplay = 0, displays = {}, dcount = (view[4] << 8) + view[5];
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if (dcount > 0) {
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// Many displays present
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selectedDisplay = (view[6 + (dcount * 2)] << 8) + view[7 + (dcount * 2)];
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for (var i = 0; i < dcount; i++) {
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var disp = (view[6 + (i * 2)] << 8) + view[7 + (i * 2)];
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if (disp == 65535) { displays[disp] = 'All Displays'; } else { displays[disp] = 'Display ' + disp; }
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}
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}
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//console.log('Get Displays', displays, selectedDisplay, rstr2hex(str));
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obj.displays = displays; obj.selectedDisplay = selectedDisplay;
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if (obj.onDisplayinfo != null) { obj.onDisplayinfo(obj, displays, selectedDisplay); }
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break;
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case 12: // SetDisplay
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//console.log('SetDisplayConfirmed');
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break;
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case 14: // KVM_INIT_TOUCH
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obj.touchenabled = 1;
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obj.TouchArray = {};
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if (obj.onTouchEnabledChanged != null) obj.onTouchEnabledChanged(obj.touchenabled);
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break;
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case 15: // KVM_TOUCH
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obj.TouchArray = {};
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break;
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case 17: // MNG_KVM_MESSAGE
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var str = String.fromCharCode.apply(null, data.slice(4));
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console.log('Got KVM Message: ' + str);
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if (obj.onMessage != null) obj.onMessage(str, obj);
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break;
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case 65: // Alert
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var str = String.fromCharCode.apply(null, data.slice(4));
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if (str[0] != '.') {
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console.log(str); //alert('KVM: ' + str);
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if (obj.parent && obj.parent.setConsoleMessage) { obj.parent.setConsoleMessage(str); }
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} else {
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console.log('KVM: ' + str.substring(1));
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}
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break;
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case 88: // MNG_KVM_MOUSE_CURSOR
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if (cmdsize != 5) break;
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var cursorNum = view[4];
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if (cursorNum > mouseCursors.length) { cursorNum = 0; }
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xMouseCursorCurrent = mouseCursors[cursorNum];
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if (xMouseCursorActive) { obj.CanvasId.style.cursor = xMouseCursorCurrent; }
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break;
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default:
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console.log('Unknown command', cmd, cmdsize);
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break;
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}
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}
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// Keyboard and Mouse I/O.
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obj.MouseButton = { "NONE": 0x00, "LEFT": 0x02, "RIGHT": 0x08, "MIDDLE": 0x20 };
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obj.KeyAction = { "NONE": 0, "DOWN": 1, "UP": 2, "SCROLL": 3, "EXUP": 4, "EXDOWN": 5, "DBLCLICK": 6 };
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obj.InputType = { "KEY": 1, "MOUSE": 2, "CTRLALTDEL": 10, "TOUCH": 15, "KEYUNICODE": 85 };
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obj.Alternate = 0;
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var convertKeyCodeTable = {
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"Pause": 19,
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"CapsLock": 20,
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"Space": 32,
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"Quote": 222,
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"Minus": 189,
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"NumpadMultiply": 106,
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"NumpadAdd": 107,
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"PrintScreen": 44,
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"Comma": 188,
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"NumpadSubtract": 109,
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"NumpadDecimal": 110,
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"Period": 190,
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"Slash": 191,
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"NumpadDivide": 111,
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"Semicolon": 186,
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"Equal": 187,
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"OSLeft": 91,
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"BracketLeft": 219,
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"OSRight": 91,
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"Backslash": 220,
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"BracketRight": 221,
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"ContextMenu": 93,
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"Backquote": 192,
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"NumLock": 144,
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"ScrollLock": 145,
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"Backspace": 8,
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"Tab": 9,
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"Enter": 13,
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"NumpadEnter": 13,
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"Escape": 27,
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"Delete": 46,
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"Home": 36,
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"PageUp": 33,
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"PageDown": 34,
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"ArrowLeft": 37,
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"ArrowUp": 38,
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"ArrowRight": 39,
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"ArrowDown": 40,
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"End": 35,
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"Insert": 45,
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"F1": 112,
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"F2": 113,
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"F3": 114,
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"F4": 115,
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"F5": 116,
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"F6": 117,
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"F7": 118,
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"F8": 119,
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"F9": 120,
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"F10": 121,
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"F11": 122,
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"F12": 123,
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"ShiftLeft": 16,
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"ShiftRight": 16,
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"ControlLeft": 17,
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"ControlRight": 17,
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"AltLeft": 18,
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"AltRight": 18,
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"MetaLeft": 91,
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"MetaRight": 92,
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"VolumeMute": 181
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//"LaunchMail":
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//"LaunchApp1":
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//"LaunchApp2":
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//"BrowserStop":
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//"MediaStop":
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//"MediaTrackPrevious":
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//"MediaTrackNext":
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//"MediaPlayPause":
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//"MediaSelect":
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}
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function convertKeyCode(e) {
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if (e.code.startsWith('Key') && e.code.length == 4) { return e.code.charCodeAt(3); }
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if (e.code.startsWith('Digit') && e.code.length == 6) { return e.code.charCodeAt(5); }
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if (e.code.startsWith('Numpad') && e.code.length == 7) { return e.code.charCodeAt(6) + 48; }
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return convertKeyCodeTable[e.code];
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}
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obj.SendKeyMsg = function (action, event) {
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if (action == null) return;
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if (!event) { event = window.event; }
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if (event.code && (obj.localKeyMap == false)) {
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// Convert "event.code" into a scancode. This works the same regardless of the keyboard language.
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// Older browsers will not support this.
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var kc = convertKeyCode(event);
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if (kc != null) { obj.SendKeyMsgKC(action, kc); }
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} else {
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// Use this keycode, this works best with "US-EN" keyboards.
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// Older browser support this.
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var kc = event.keyCode;
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if (kc == 0x3B) { kc = 0xBA; } // Fix the ';' key
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else if (kc == 173) { kc = 189; } // Fix the '-' key for Firefox
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else if (kc == 61) { kc = 187; } // Fix the '=' key for Firefox
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obj.SendKeyMsgKC(action, kc);
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}
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}
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obj.SendMessage = function (msg) {
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if (obj.State == 3) obj.send(String.fromCharCode(0x00, 0x11) + obj.shortToStr(4 + msg.length) + msg); // 0x11 = 17 MNG_KVM_MESSAGE
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}
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obj.SendKeyMsgKC = function (action, kc) {
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if (obj.State != 3) return;
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if (typeof action == 'object') { for (var i in action) { obj.SendKeyMsgKC(action[i][0], action[i][1]); } }
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else {
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if (action == 1) { // Key Down
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if (obj.pressedKeys.indexOf(kc) == -1) { obj.pressedKeys.unshift(kc); } // Add key press to start of array
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} else if (action == 2) { // Key Up
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var i = obj.pressedKeys.indexOf(kc);
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if (i != -1) { obj.pressedKeys.splice(i, 1); } // Remove the key press from the pressed array
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}
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obj.send(String.fromCharCode(0x00, obj.InputType.KEY, 0x00, 0x06, (action - 1), kc));
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}
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}
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obj.SendStringUnicode = function (str) {
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if (obj.State != 3) return;
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for (var i = 0; i < str.length; i++) { obj.send(String.fromCharCode(0x00, obj.InputType.KEYUNICODE, 0x00, 0x07, 0) + ShortToStr(str.charCodeAt(i))); }
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}
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obj.SendKeyUnicode = function (action, val) {
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if (obj.State != 3) return;
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if (obj.debugmode > 0) { console.log('Sending UnicodeKey ' + val); }
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obj.send(String.fromCharCode(0x00, obj.InputType.KEYUNICODE, 0x00, 0x07, (action - 1)) + ShortToStr(val));
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}
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obj.sendcad = function() { obj.SendCtrlAltDelMsg(); }
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obj.SendCtrlAltDelMsg = function () {
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if (obj.State == 3) { obj.send(String.fromCharCode(0x00, obj.InputType.CTRLALTDEL, 0x00, 0x04)); }
|
|
}
|
|
|
|
obj.SendEscKey = function () {
|
|
if (obj.State == 3) obj.send(String.fromCharCode(0x00, obj.InputType.KEY, 0x00, 0x06, 0x00, 0x1B, 0x00, obj.InputType.KEY, 0x00, 0x06, 0x01, 0x1B));
|
|
}
|
|
|
|
obj.SendStartMsg = function () {
|
|
obj.SendKeyMsgKC(obj.KeyAction.EXDOWN, 0x5B); // L-Windows
|
|
obj.SendKeyMsgKC(obj.KeyAction.EXUP, 0x5B); // L-Windows
|
|
}
|
|
|
|
obj.SendCharmsMsg = function () {
|
|
obj.SendKeyMsgKC(obj.KeyAction.EXDOWN, 0x5B); // L-Windows
|
|
obj.SendKeyMsgKC(obj.KeyAction.DOWN, 67); // C
|
|
obj.SendKeyMsgKC(obj.KeyAction.UP, 67); // C
|
|
obj.SendKeyMsgKC(obj.KeyAction.EXUP, 0x5B); // L-Windows
|
|
}
|
|
|
|
obj.SendTouchMsg1 = function (id, flags, x, y) {
|
|
if (obj.State == 3) obj.send(String.fromCharCode(0x00, obj.InputType.TOUCH) + obj.shortToStr(14) + String.fromCharCode(0x01, id) + obj.intToStr(flags) + obj.shortToStr(x) + obj.shortToStr(y));
|
|
}
|
|
|
|
obj.SendTouchMsg2 = function (id, flags) {
|
|
var msg = '';
|
|
var flags2;
|
|
var str = "TOUCHSEND: ";
|
|
for (var k in obj.TouchArray) {
|
|
if (k == id) { flags2 = flags; } else {
|
|
if (obj.TouchArray[k].f == 1) { flags2 = 0x00010000 | 0x00000002 | 0x00000004; obj.TouchArray[k].f = 3; str += "START" + k; } // POINTER_FLAG_DOWN
|
|
else if (obj.TouchArray[k].f == 2) { flags2 = 0x00040000; str += "STOP" + k; } // POINTER_FLAG_UP
|
|
else flags2 = 0x00000002 | 0x00000004 | 0x00020000; // POINTER_FLAG_UPDATE
|
|
}
|
|
msg += String.fromCharCode(k) + obj.intToStr(flags2) + obj.shortToStr(obj.TouchArray[k].x) + obj.shortToStr(obj.TouchArray[k].y);
|
|
if (obj.TouchArray[k].f == 2) delete obj.TouchArray[k];
|
|
}
|
|
if (obj.State == 3) obj.send(String.fromCharCode(0x00, obj.InputType.TOUCH) + obj.shortToStr(5 + msg.length) + String.fromCharCode(0x02) + msg);
|
|
if (Object.keys(obj.TouchArray).length == 0 && obj.touchtimer != null) { clearInterval(obj.touchtimer); obj.touchtimer = null; }
|
|
}
|
|
|
|
obj.SendMouseMsg = function (Action, event) {
|
|
if (obj.State != 3) return;
|
|
if (Action != null && obj.Canvas != null) {
|
|
if (!event) { var event = window.event; }
|
|
|
|
var ScaleFactorHeight = (obj.Canvas.canvas.height / obj.CanvasId.clientHeight);
|
|
var ScaleFactorWidth = (obj.Canvas.canvas.width / obj.CanvasId.clientWidth);
|
|
var Offsets = obj.GetPositionOfControl(obj.Canvas.canvas);
|
|
var X = ((event.pageX - Offsets[0]) * ScaleFactorWidth);
|
|
var Y = ((event.pageY - Offsets[1]) * ScaleFactorHeight);
|
|
if (event.addx) { X += event.addx; }
|
|
if (event.addy) { Y += event.addy; }
|
|
|
|
if (X >= 0 && X <= obj.Canvas.canvas.width && Y >= 0 && Y <= obj.Canvas.canvas.height) {
|
|
var Button = 0;
|
|
var Delta = 0;
|
|
if (Action == obj.KeyAction.UP || Action == obj.KeyAction.DOWN) {
|
|
if (event.which) { ((event.which == 1) ? (Button = obj.MouseButton.LEFT) : ((event.which == 2) ? (Button = obj.MouseButton.MIDDLE) : (Button = obj.MouseButton.RIGHT))); }
|
|
else if (event.button) { ((event.button == 0) ? (Button = obj.MouseButton.LEFT) : ((event.button == 1) ? (Button = obj.MouseButton.MIDDLE) : (Button = obj.MouseButton.RIGHT))); }
|
|
}
|
|
else if (Action == obj.KeyAction.SCROLL) {
|
|
if (event.detail) { Delta = (-1 * (event.detail * 120)); } else if (event.wheelDelta) { Delta = (event.wheelDelta * 3); }
|
|
}
|
|
|
|
// Swap mouse buttons if needed
|
|
if (obj.SwapMouse === true) {
|
|
if (Button == obj.MouseButton.LEFT) { Button = obj.MouseButton.RIGHT; }
|
|
else if (Button == obj.MouseButton.RIGHT) { Button = obj.MouseButton.LEFT; }
|
|
}
|
|
|
|
var MouseMsg = "";
|
|
if (Action == obj.KeyAction.DBLCLICK) {
|
|
MouseMsg = String.fromCharCode(0x00, obj.InputType.MOUSE, 0x00, 0x0A, 0x00, 0x88, ((X / 256) & 0xFF), (X & 0xFF), ((Y / 256) & 0xFF), (Y & 0xFF));
|
|
} else if (Action == obj.KeyAction.SCROLL) {
|
|
var deltaHigh = 0, deltaLow = 0;
|
|
if (Delta < 0) { deltaHigh = (255 - (Math.abs(Delta) >> 8)); deltaLow = (255 - (Math.abs(Delta) & 0xFF)); } else { deltaHigh = (Delta >> 8); deltaLow = (Delta & 0xFF); }
|
|
MouseMsg = String.fromCharCode(0x00, obj.InputType.MOUSE, 0x00, 0x0C, 0x00, 0x00, ((X / 256) & 0xFF), (X & 0xFF), ((Y / 256) & 0xFF), (Y & 0xFF), deltaHigh, deltaLow);
|
|
} else {
|
|
MouseMsg = String.fromCharCode(0x00, obj.InputType.MOUSE, 0x00, 0x0A, 0x00, ((Action == obj.KeyAction.DOWN) ? Button : ((Button * 2) & 0xFF)), ((X / 256) & 0xFF), (X & 0xFF), ((Y / 256) & 0xFF), (Y & 0xFF));
|
|
}
|
|
|
|
if (obj.Action == obj.KeyAction.NONE) {
|
|
if (obj.Alternate == 0 || obj.ipad) { obj.send(MouseMsg); obj.Alternate = 1; } else { obj.Alternate = 0; }
|
|
} else {
|
|
obj.send(MouseMsg);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
obj.GetDisplayNumbers = function () { obj.send(String.fromCharCode(0x00, 0x0B, 0x00, 0x04)); } // Get Terminal display
|
|
obj.SetDisplay = function (number) { /*console.log('Set display', number);*/ obj.send(String.fromCharCode(0x00, 0x0C, 0x00, 0x06, number >> 8, number & 0xFF)); } // Set Terminal display
|
|
obj.intToStr = function (x) { return String.fromCharCode((x >> 24) & 0xFF, (x >> 16) & 0xFF, (x >> 8) & 0xFF, x & 0xFF); }
|
|
obj.shortToStr = function (x) { return String.fromCharCode((x >> 8) & 0xFF, x & 0xFF); }
|
|
|
|
obj.onResize = function () {
|
|
if (obj.ScreenWidth == 0 || obj.ScreenHeight == 0) return;
|
|
if (obj.Canvas.canvas.width == obj.ScreenWidth && obj.Canvas.canvas.height == obj.ScreenHeight) return;
|
|
if (obj.FirstDraw) {
|
|
obj.Canvas.canvas.width = obj.ScreenWidth;
|
|
obj.Canvas.canvas.height = obj.ScreenHeight;
|
|
obj.Canvas.fillRect(0, 0, obj.ScreenWidth, obj.ScreenHeight);
|
|
if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId);
|
|
}
|
|
obj.FirstDraw = false;
|
|
if (obj.debugmode > 1) { console.log("onResize: " + obj.ScreenWidth + " x " + obj.ScreenHeight); }
|
|
}
|
|
|
|
obj.xxMouseInputGrab = false;
|
|
obj.xxKeyInputGrab = false;
|
|
obj.xxMouseMove = function (e) { if (obj.State == 3) obj.SendMouseMsg(obj.KeyAction.NONE, e); if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
|
|
obj.xxMouseUp = function (e) { if (obj.State == 3) obj.SendMouseMsg(obj.KeyAction.UP, e); if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
|
|
obj.xxMouseDown = function (e) { if (obj.State == 3) obj.SendMouseMsg(obj.KeyAction.DOWN, e); if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
|
|
obj.xxMouseDblClick = function (e) { if (obj.State == 3) obj.SendMouseMsg(obj.KeyAction.DBLCLICK, e); if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
|
|
obj.xxDOMMouseScroll = function (e) { if (obj.State == 3) { obj.SendMouseMsg(obj.KeyAction.SCROLL, e); return false; } return true; }
|
|
obj.xxMouseWheel = function (e) { if (obj.State == 3) { obj.SendMouseMsg(obj.KeyAction.SCROLL, e); return false; } return true; }
|
|
obj.xxKeyUp = function (e) {
|
|
if ((e.key != 'Dead') && (obj.State == 3)) {
|
|
if ((typeof e.key == 'string') && (e.key.length == 1) && (e.ctrlKey != true) && (e.altKey != true) && ((obj.remoteKeyMap == false) || (obj.debugmode > 0))) { obj.SendKeyUnicode(obj.KeyAction.UP, e.key.charCodeAt(0)); } else { obj.SendKeyMsg(obj.KeyAction.UP, e); }
|
|
}
|
|
if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false;
|
|
}
|
|
obj.xxKeyDown = function (e) {
|
|
if ((e.key != 'Dead') && (obj.State == 3)) {
|
|
if (!((typeof e.key == 'string') && (e.key.length == 1) && (e.ctrlKey != true) && (e.altKey != true) && ((obj.remoteKeyMap == false) || (obj.debugmode > 0)))) {
|
|
obj.SendKeyMsg(obj.KeyAction.DOWN, e);
|
|
if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false;
|
|
}
|
|
}
|
|
}
|
|
obj.xxKeyPress = function (e) {
|
|
if ((e.key != 'Dead') && (obj.State == 3)) {
|
|
if ((typeof e.key == 'string') && (e.key.length == 1) && (e.ctrlKey != true) && (e.altKey != true) && ((obj.remoteKeyMap == false) || (obj.debugmode > 0))) { obj.SendKeyUnicode(obj.KeyAction.DOWN, e.key.charCodeAt(0)); } //else { obj.SendKeyMsg(obj.KeyAction.DOWN, e); }
|
|
}
|
|
if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false;
|
|
}
|
|
|
|
// Key handlers
|
|
obj.handleKeys = function (e) {
|
|
//console.log('keypress', e.code, e.key, e.keyCode, (e.key.length == 1) ? e.key.charCodeAt(0) : 0);
|
|
if (obj.stopInput == true || desktop.State != 3) return false;
|
|
return obj.xxKeyPress(e);
|
|
}
|
|
obj.handleKeyUp = function (e) {
|
|
//console.log('keyup', e.code, e.key, e.keyCode, (e.key.length == 1)?e.key.charCodeAt(0):0);
|
|
if (obj.stopInput == true || desktop.State != 3) return false;
|
|
if (obj.firstUpKeys.length < 5) {
|
|
obj.firstUpKeys.push(e.keyCode);
|
|
if ((obj.firstUpKeys.length == 5)) { var j = obj.firstUpKeys.join(','); if ((j == '16,17,91,91,16') || (j == '16,17,18,91,92')) { obj.stopInput = true; } }
|
|
}
|
|
return obj.xxKeyUp(e);
|
|
}
|
|
obj.handleKeyDown = function (e) {
|
|
//console.log('keydown', e.code, e.key, e.keyCode, (e.key.length == 1) ? e.key.charCodeAt(0) : 0);
|
|
if (obj.stopInput == true || desktop.State != 3) return false;
|
|
return obj.xxKeyDown(e);
|
|
}
|
|
|
|
// Release the CTRL, ALT, SHIFT keys if they are pressed.
|
|
obj.handleReleaseKeys = function () {
|
|
var p = JSON.parse(JSON.stringify(obj.pressedKeys)); // Clone the pressed array
|
|
for (var i in p) { obj.SendKeyMsgKC(obj.KeyAction.UP, p[i]); } // Release all keys
|
|
}
|
|
|
|
// Mouse handlers
|
|
obj.mousedblclick = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseDblClick(e); }
|
|
obj.mousedown = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseDown(e); }
|
|
obj.mouseup = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseUp(e); }
|
|
obj.mousemove = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseMove(e); }
|
|
obj.mousewheel = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseWheel(e); }
|
|
|
|
obj.xxMsTouchEvent = function (evt) {
|
|
if (evt.originalEvent.pointerType == 4) return; // If this is a mouse pointer, ignore this event. Touch & pen are ok.
|
|
if (evt.preventDefault) evt.preventDefault();
|
|
if (evt.stopPropagation) evt.stopPropagation();
|
|
if (evt.type == 'MSPointerDown' || evt.type == 'MSPointerMove' || evt.type == 'MSPointerUp') {
|
|
var flags = 0;
|
|
var id = evt.originalEvent.pointerId % 256;
|
|
var X = evt.offsetX * (Canvas.canvas.width / obj.CanvasId.clientWidth);
|
|
var Y = evt.offsetY * (Canvas.canvas.height / obj.CanvasId.clientHeight);
|
|
|
|
if (evt.type == 'MSPointerDown') flags = 0x00010000 | 0x00000002 | 0x00000004; // POINTER_FLAG_DOWN
|
|
else if (evt.type == 'MSPointerMove') {
|
|
//if (obj.TouchArray[id] && MuchTheSame(obj.TouchArray[id].x, X) && MuchTheSame(obj.TouchArray[id].y, Y)) return;
|
|
flags = 0x00020000 | 0x00000002 | 0x00000004; // POINTER_FLAG_UPDATE
|
|
}
|
|
else if (evt.type == 'MSPointerUp') flags = 0x00040000; // POINTER_FLAG_UP
|
|
|
|
if (!obj.TouchArray[id]) obj.TouchArray[id] = { x: X, y : Y };
|
|
obj.SendTouchMsg2(id, flags)
|
|
if (evt.type == 'MSPointerUp') delete obj.TouchArray[id];
|
|
} else {
|
|
alert(evt.type);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
obj.xxTouchStart = function (e) {
|
|
if (obj.State != 3) return;
|
|
if (e.preventDefault) e.preventDefault();
|
|
if (obj.touchenabled == 0 || obj.touchenabled == 1) {
|
|
if (e.originalEvent.touches.length > 1) return;
|
|
var t = e.originalEvent.touches[0];
|
|
e.which = 1;
|
|
obj.LastX = e.pageX = t.pageX;
|
|
obj.LastY = e.pageY = t.pageY;
|
|
obj.SendMouseMsg(KeyAction.DOWN, e);
|
|
} else {
|
|
var Offsets = obj.GetPositionOfControl(Canvas.canvas);
|
|
for (var i in e.originalEvent.changedTouches) {
|
|
if (!e.originalEvent.changedTouches[i].identifier) continue;
|
|
var id = e.originalEvent.changedTouches[i].identifier % 256;
|
|
if (!obj.TouchArray[id]) { obj.TouchArray[id] = { x: (e.originalEvent.touches[i].pageX - Offsets[0]) * (Canvas.canvas.width / obj.CanvasId.clientWidth), y: (e.originalEvent.touches[i].pageY - Offsets[1]) * (Canvas.canvas.height / obj.CanvasId.clientHeight), f: 1 }; }
|
|
}
|
|
if (Object.keys(obj.TouchArray).length > 0 && touchtimer == null) { obj.touchtimer = setInterval(function () { obj.SendTouchMsg2(256, 0); }, 50); }
|
|
}
|
|
}
|
|
|
|
obj.xxTouchMove = function (e) {
|
|
if (obj.State != 3) return;
|
|
if (e.preventDefault) e.preventDefault();
|
|
if (obj.touchenabled == 0 || obj.touchenabled == 1) {
|
|
if (e.originalEvent.touches.length > 1) return;
|
|
var t = e.originalEvent.touches[0];
|
|
e.which = 1;
|
|
obj.LastX = e.pageX = t.pageX;
|
|
obj.LastY = e.pageY = t.pageY;
|
|
obj.SendMouseMsg(obj.KeyAction.NONE, e);
|
|
} else {
|
|
var Offsets = obj.GetPositionOfControl(Canvas.canvas);
|
|
for (var i in e.originalEvent.changedTouches) {
|
|
if (!e.originalEvent.changedTouches[i].identifier) continue;
|
|
var id = e.originalEvent.changedTouches[i].identifier % 256;
|
|
if (obj.TouchArray[id]) {
|
|
obj.TouchArray[id].x = (e.originalEvent.touches[i].pageX - Offsets[0]) * (obj.Canvas.canvas.width / obj.CanvasId.clientWidth);
|
|
obj.TouchArray[id].y = (e.originalEvent.touches[i].pageY - Offsets[1]) * (obj.Canvas.canvas.height / obj.CanvasId.clientHeight);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
obj.xxTouchEnd = function (e) {
|
|
if (obj.State != 3) return;
|
|
if (e.preventDefault) e.preventDefault();
|
|
if (obj.touchenabled == 0 || obj.touchenabled == 1) {
|
|
if (e.originalEvent.touches.length > 1) return;
|
|
e.which = 1;
|
|
e.pageX = LastX;
|
|
e.pageY = LastY;
|
|
obj.SendMouseMsg(KeyAction.UP, e);
|
|
} else {
|
|
for (var i in e.originalEvent.changedTouches) {
|
|
if (!e.originalEvent.changedTouches[i].identifier) continue;
|
|
var id = e.originalEvent.changedTouches[i].identifier % 256;
|
|
if (obj.TouchArray[id]) obj.TouchArray[id].f = 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
obj.GrabMouseInput = function () {
|
|
if (obj.xxMouseInputGrab == true) return;
|
|
var c = obj.CanvasId;
|
|
c.onmousemove = obj.xxMouseMove;
|
|
c.onmouseup = obj.xxMouseUp;
|
|
c.onmousedown = obj.xxMouseDown;
|
|
c.touchstart = obj.xxTouchStart;
|
|
c.touchmove = obj.xxTouchMove;
|
|
c.touchend = obj.xxTouchEnd;
|
|
c.MSPointerDown = obj.xxMsTouchEvent;
|
|
c.MSPointerMove = obj.xxMsTouchEvent;
|
|
c.MSPointerUp = obj.xxMsTouchEvent;
|
|
if (navigator.userAgent.match(/mozilla/i)) c.DOMMouseScroll = obj.xxDOMMouseScroll; else c.onmousewheel = obj.xxMouseWheel;
|
|
obj.xxMouseInputGrab = true;
|
|
}
|
|
|
|
obj.UnGrabMouseInput = function () {
|
|
if (obj.xxMouseInputGrab == false) return;
|
|
var c = obj.CanvasId;
|
|
c.onmousemove = null;
|
|
c.onmouseup = null;
|
|
c.onmousedown = null;
|
|
c.touchstart = null;
|
|
c.touchmove = null;
|
|
c.touchend = null;
|
|
c.MSPointerDown = null;
|
|
c.MSPointerMove = null;
|
|
c.MSPointerUp = null;
|
|
if (navigator.userAgent.match(/mozilla/i)) c.DOMMouseScroll = null; else c.onmousewheel = null;
|
|
obj.xxMouseInputGrab = false;
|
|
}
|
|
|
|
obj.GrabKeyInput = function () {
|
|
if (obj.xxKeyInputGrab == true) return;
|
|
document.onkeyup = obj.xxKeyUp;
|
|
document.onkeydown = obj.xxKeyDown;
|
|
document.onkeypress = obj.xxKeyPress;
|
|
obj.xxKeyInputGrab = true;
|
|
}
|
|
|
|
obj.UnGrabKeyInput = function () {
|
|
if (obj.xxKeyInputGrab == false) return;
|
|
document.onkeyup = null;
|
|
document.onkeydown = null;
|
|
document.onkeypress = null;
|
|
obj.xxKeyInputGrab = false;
|
|
}
|
|
|
|
obj.GetPositionOfControl = function (Control) {
|
|
var Position = Array(2);
|
|
Position[0] = Position[1] = 0;
|
|
while (Control) { Position[0] += Control.offsetLeft; Position[1] += Control.offsetTop; Control = Control.offsetParent; }
|
|
return Position;
|
|
}
|
|
|
|
obj.crotX = function (x, y) {
|
|
if (obj.rotation == 0) return x;
|
|
if (obj.rotation == 1) return y;
|
|
if (obj.rotation == 2) return obj.Canvas.canvas.width - x;
|
|
if (obj.rotation == 3) return obj.Canvas.canvas.height - y;
|
|
}
|
|
|
|
obj.crotY = function (x, y) {
|
|
if (obj.rotation == 0) return y;
|
|
if (obj.rotation == 1) return obj.Canvas.canvas.width - x;
|
|
if (obj.rotation == 2) return obj.Canvas.canvas.height - y;
|
|
if (obj.rotation == 3) return x;
|
|
}
|
|
|
|
obj.rotX = function (x, y) {
|
|
if (obj.rotation == 0 || obj.rotation == 1) return x;
|
|
if (obj.rotation == 2) return x - obj.Canvas.canvas.width;
|
|
if (obj.rotation == 3) return x - obj.Canvas.canvas.height;
|
|
}
|
|
|
|
obj.rotY = function (x, y) {
|
|
if (obj.rotation == 0 || obj.rotation == 3) return y;
|
|
if (obj.rotation == 1) return y - obj.Canvas.canvas.width;
|
|
if (obj.rotation == 2) return y - obj.Canvas.canvas.height;
|
|
}
|
|
|
|
obj.tcanvas = null;
|
|
obj.setRotation = function (x) {
|
|
while (x < 0) { x += 4; }
|
|
var newrotation = x % 4;
|
|
if (newrotation == obj.rotation) return true;
|
|
var rw = obj.Canvas.canvas.width;
|
|
var rh = obj.Canvas.canvas.height;
|
|
if (obj.rotation == 1 || obj.rotation == 3) { rw = obj.Canvas.canvas.height; rh = obj.Canvas.canvas.width; }
|
|
|
|
// Copy the canvas, put it back in the correct direction
|
|
if (obj.tcanvas == null) obj.tcanvas = document.createElement('canvas');
|
|
var tcanvasctx = obj.tcanvas.getContext('2d');
|
|
tcanvasctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
tcanvasctx.canvas.width = rw;
|
|
tcanvasctx.canvas.height = rh;
|
|
tcanvasctx.rotate((obj.rotation * -90) * Math.PI / 180);
|
|
if (obj.rotation == 0) tcanvasctx.drawImage(obj.Canvas.canvas, 0, 0);
|
|
if (obj.rotation == 1) tcanvasctx.drawImage(obj.Canvas.canvas, -obj.Canvas.canvas.width, 0);
|
|
if (obj.rotation == 2) tcanvasctx.drawImage(obj.Canvas.canvas, -obj.Canvas.canvas.width, -obj.Canvas.canvas.height);
|
|
if (obj.rotation == 3) tcanvasctx.drawImage(obj.Canvas.canvas, 0, -obj.Canvas.canvas.height);
|
|
|
|
// Change the size and orientation and copy the canvas back into the rotation
|
|
if (obj.rotation == 0 || obj.rotation == 2) { obj.Canvas.canvas.height = rw; obj.Canvas.canvas.width = rh; }
|
|
if (obj.rotation == 1 || obj.rotation == 3) { obj.Canvas.canvas.height = rh; obj.Canvas.canvas.width = rw; }
|
|
obj.Canvas.setTransform(1, 0, 0, 1, 0, 0);
|
|
obj.Canvas.rotate((newrotation * 90) * Math.PI / 180);
|
|
obj.rotation = newrotation;
|
|
obj.Canvas.drawImage(obj.tcanvas, obj.rotX(0, 0), obj.rotY(0, 0));
|
|
|
|
obj.ScreenWidth = obj.Canvas.canvas.width;
|
|
obj.ScreenHeight = obj.Canvas.canvas.height;
|
|
if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId);
|
|
return true;
|
|
}
|
|
|
|
obj.StartRecording = function () {
|
|
if (obj.recordedData != null) return;
|
|
// Take a screen shot and save it to file
|
|
obj.CanvasId['toBlob'](function (blob) {
|
|
var fileReader = new FileReader();
|
|
fileReader.readAsArrayBuffer(blob);
|
|
fileReader.onload = function (event) {
|
|
// This is an ArrayBuffer, convert it to a string array
|
|
var binary = '', bytes = new Uint8Array(fileReader.result), length = bytes.byteLength;
|
|
for (var i = 0; i < length; i++) { binary += String.fromCharCode(bytes[i]); }
|
|
obj.recordedData = [];
|
|
obj.recordedStart = Date.now();
|
|
obj.recordedSize = 0;
|
|
obj.recordedData.push(recordingEntry(1, 0, JSON.stringify({ magic: 'MeshCentralRelaySession', ver: 1, time: new Date().toLocaleString(), protocol: 2 }))); // Metadata (nodeid: obj.nodeid)
|
|
obj.recordedData.push(recordingEntry(2, 1, obj.shortToStr(7) + obj.shortToStr(8) + obj.shortToStr(obj.ScreenWidth) + obj.shortToStr(obj.ScreenHeight))); // Screen width and height
|
|
// Save a screenshot
|
|
var cmdlen = (8 + binary.length);
|
|
if (cmdlen > 65000) {
|
|
// Jumbo Packet
|
|
obj.recordedData.push(recordingEntry(2, 1, obj.shortToStr(27) + obj.shortToStr(8) + obj.intToStr(cmdlen) + obj.shortToStr(3) + obj.shortToStr(0) + obj.shortToStr(0) + obj.shortToStr(0) + binary));
|
|
} else {
|
|
// Normal packet
|
|
obj.recordedData.push(recordingEntry(2, 1, obj.shortToStr(3) + obj.shortToStr(cmdlen) + obj.shortToStr(0) + obj.shortToStr(0) + binary));
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
obj.StopRecording = function () {
|
|
if (obj.recordedData == null) return;
|
|
var r = obj.recordedData;
|
|
r.push(recordingEntry(3, 0, 'MeshCentralMCREC'));
|
|
delete obj.recordedData;
|
|
delete obj.recordedStart;
|
|
delete obj.recordedSize;
|
|
return r;
|
|
}
|
|
|
|
function recordingEntry(type, flags, data) {
|
|
// Header: Type (2) + Flags (2) + Size(4) + Time(8)
|
|
// Type (1 = Header, 2 = Network Data), Flags (1 = Binary, 2 = User), Size (4 bytes), Time (8 bytes)
|
|
var now = Date.now();
|
|
if (typeof data == 'number') {
|
|
obj.recordedSize += data;
|
|
return obj.shortToStr(type) + obj.shortToStr(flags) + obj.intToStr(data) + obj.intToStr(now >> 32) + obj.intToStr(now & 32);
|
|
} else {
|
|
obj.recordedSize += data.length;
|
|
return obj.shortToStr(type) + obj.shortToStr(flags) + obj.intToStr(data.length) + obj.intToStr(now >> 32) + obj.intToStr(now & 32) + data;
|
|
}
|
|
}
|
|
|
|
// Private method
|
|
obj.MuchTheSame = function (a, b) { return (Math.abs(a - b) < 4); }
|
|
obj.Debug = function (msg) { console.log(msg); }
|
|
obj.getIEVersion = function () { var r = -1; if (navigator.appName == 'Microsoft Internet Explorer') { var ua = navigator.userAgent; var re = new RegExp("MSIE ([0-9]{1,}[.0-9]{0,})"); if (re.exec(ua) != null) r = parseFloat(RegExp.$1); } return r; }
|
|
obj.haltEvent = function (e) { if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
|
|
|
|
return obj;
|
|
}
|