This commit is contained in:
Rui Reis 2025-05-08 13:04:05 +02:00 committed by GitHub
commit 60e1b1bf4b
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GPG Key ID: B5690EEEBB952194
5 changed files with 369 additions and 8 deletions

View File

@ -185,6 +185,7 @@ const UI = {
UI.initSetting('bell', 'on');
UI.initSetting('view_only', false);
UI.initSetting('show_dot', false);
UI.initSetting('gestures_mode', 'novnc');
UI.initSetting('path', 'websockify');
UI.initSetting('repeaterID', '');
UI.initSetting('reconnect', false);
@ -371,6 +372,7 @@ const UI = {
UI.addSettingChangeHandler('view_only', UI.updateViewOnly);
UI.addSettingChangeHandler('show_dot');
UI.addSettingChangeHandler('show_dot', UI.updateShowDotCursor);
UI.addSettingChangeHandler('gestures_mode');
UI.addSettingChangeHandler('host');
UI.addSettingChangeHandler('port');
UI.addSettingChangeHandler('path');
@ -441,6 +443,7 @@ const UI = {
UI.disableSetting('port');
UI.disableSetting('path');
UI.disableSetting('repeaterID');
UI.disableSetting('gestures_mode');
// Hide the controlbar after 2 seconds
UI.closeControlbarTimeout = setTimeout(UI.closeControlbar, 2000);
@ -451,6 +454,7 @@ const UI = {
UI.enableSetting('port');
UI.enableSetting('path');
UI.enableSetting('repeaterID');
UI.enableSetting('gestures_mode');
UI.updatePowerButton();
UI.keepControlbar();
}
@ -1077,7 +1081,8 @@ const UI = {
url.href,
{ shared: UI.getSetting('shared'),
repeaterID: UI.getSetting('repeaterID'),
credentials: { password: password } });
credentials: { password: password },
gesturesMode: UI.getSetting('gestures_mode') });
} catch (exc) {
Log.Error("Failed to connect to server: " + exc);
UI.updateVisualState('disconnected');

View File

@ -25,6 +25,7 @@ export const encodings = {
pseudoEncodingCursor: -239,
pseudoEncodingQEMUExtendedKeyEvent: -258,
pseudoEncodingQEMULedEvent: -261,
pseudoEncodingGii: -305,
pseudoEncodingDesktopName: -307,
pseudoEncodingExtendedDesktopSize: -308,
pseudoEncodingXvp: -309,

View File

@ -0,0 +1,170 @@
import * as Log from '../util/logging.js';
export default class TouchHandlerUltraVNC {
static PF_flag = 0x80000000; // Pressed Flag : active if the touch event is pressed, inactive if it's being released.
static R1_flag = 0x40000000; // Reserved 1
static IF_flag = 0x20000000; // Primary Flag : active if the touch event is the primary touch event.
static S1_flag = 0x10000000; // Size Flag : active if the message contains information about the size of the touch event. The events are currently all sent as symetrical ellipses.
static S2_flag = 0x8000000; // Reserved for asymetrical ellipses. Not supported yet and should be 0.
static RT_flag = 0x4000000; // Rectangle : the touch event is a rectangle instead of an ellipse.
static PR_flag = 0x2000000; // Pressure Flag : pressure of the touch. Currently unused.
static TI_flag = 0x1000000; // Timestamp : the timestamp of the touch event.
static HC_flag = 0x800000; // High Performance Counter
static LENGTH_16_flag = 0x10; // 16 bits signed for x touch coordinate followed by 16 bits signed for y together in a 32 bits word
static IDFORMAT_32 = 0x1; // 32 bits ID
static IDFORMAT_CLEAR = 0xF; // No more touch points
// GII
static giiMsgType = 253;
static giiEventInjectionMsgType = 128;
static giiDeviceVersionMsgType = 129;
static giiDeviceCreationMsgType = 130;
static giiDeviceCreationMsgSize = 172;
static giiDeviceVersion = 1;
static giiDeviceVersionMsgSize = 2;
static giiEventInjectionHeaderSize = 4;
static giiEventInjectionSize = this.giiEventInjectionHeaderSize + 16;
static giiEventInjectionTouchSize = 12;
static giiEventInjectionEventType = 12;
static giiDeviceName = "NOVNC-MT";
static giiDeviceNameSize = 31;
static giiDeviceLongName = "noVNC Multitouch Device";
static giiDeviceLongNameSize = 74;
static giiDeviceShortName = "NMD";
static giiDeviceShortNameSize = 4;
static giiDNTerm = 0;
static giiVendorID = 0x0908;
static giiProductID = 0x000b;
static giiEventMask = 0x00002000;
static giiNumRegisters = 0;
static giiNumValuators = 1;
static giiNumButtons = 5;
static giiNumTouches = 6;
static giiIndex = 0;
static giiLNTerm = 0;
static giiSNTerm = 0;
static giiRangeMin = 0;
static giiRangeCenter = 0;
static giiRangeMax = 0;
static giiSIUnit = 0;
static giiSIAdd = 0;
static giiSIMul = 0;
static giiSIDiv = 0;
static giiSIShift = 0;
constructor() {
this._target = null;
this._currentTouches = [];
this._sendTouchesIntervalId = -1;
this._giiDeviceOrigin = 0;
this._isUltraVNCTouchActivated = false;
this._boundEventHandler = this._handleTouch.bind(this);
}
attach(target) {
this.detach();
this._target = target;
this._target.addEventListener('touchstart',
this._boundEventHandler);
this._target.addEventListener('touchmove',
this._boundEventHandler);
this._target.addEventListener('touchend',
this._boundEventHandler);
this._target.addEventListener('touchcancel',
this._boundEventHandler);
}
detach() {
if (!this._target) {
return;
}
this._target.removeEventListener('touchstart',
this._boundEventHandler);
this._target.removeEventListener('touchmove',
this._boundEventHandler);
this._target.removeEventListener('touchend',
this._boundEventHandler);
this._target.removeEventListener('touchcancel',
this._boundEventHandler);
clearInterval(this._sendTouchesIntervalId);
this._sendTouchesIntervalId = -1;
this._target = null;
}
_handleTouch(ev) {
ev.preventDefault();
ev.stopImmediatePropagation();
if (!this._isUltraVNCTouchActivated) {
return;
}
if (ev.type === "touchstart") {
for (let i = 0; i < ev.changedTouches.length; i++) {
ev.changedTouches[i].touchIdentifier = this._getTouchIdentifier();
this._currentTouches.push({ event: ev.changedTouches[i], status: "POINTER_DOWN" });
}
if (this._sendTouchesIntervalId === -1 && this._target) {
this._dispatchTouchEvent(ev);
this._sendTouchesIntervalId = setInterval(() => {
this._dispatchTouchEvent(ev);
}, 200);
}
} else if (ev.type === "touchmove") {
for (let i = 0; i < ev.changedTouches.length; i++) {
const index = this._currentTouches.findIndex(t => t.event.identifier === ev.changedTouches[i].identifier);
if (index !== -1) {
ev.changedTouches[i].touchIdentifier = this._currentTouches[index].event.touchIdentifier;
this._currentTouches[index].event = ev.changedTouches[i];
this._currentTouches[index].status = "POINTER_UPDATE";
}
}
} else if (ev.type === "touchend" || ev.type === "touchcancel") {
for (let i = 0; i < ev.changedTouches.length; i++) {
const indexes = this._getAllIndexes(this._currentTouches, (t) => t.event.identifier === ev.changedTouches[i].identifier)
indexes.forEach((index) => this._currentTouches[index].status = "POINTER_UP");
}
}
}
_getAllIndexes(arr, func) {
var indexes = [], i;
for (i = 0; i < arr.length; i++)
if (func(arr[i]))
indexes.push(i);
return indexes;
}
_getTouchIdentifier() {
const ids = this._currentTouches.map((ev) => ev.event.touchIdentifier);
let i = 0;
while (ids.includes(i)) { i++; }
return i;
}
_dispatchTouchEvent(ev) {
let tev = new CustomEvent('ultravnctouch', { event: ev, detail: { currentTouches: this._currentTouches, giiDeviceOrigin: this._giiDeviceOrigin } });
this._target.dispatchEvent(tev);
}
_removeTouch(index) {
this._currentTouches.splice(index, 1);
}
_interruptTouches() {
clearInterval(this._sendTouchesIntervalId);
this._sendTouchesIntervalId = -1;
}
}

View File

@ -19,6 +19,7 @@ import Inflator from "./inflator.js";
import Deflator from "./deflator.js";
import Keyboard from "./input/keyboard.js";
import GestureHandler from "./input/gesturehandler.js";
import TouchHandlerUltraVNC from "./input/touchhandlerultravnc.js";
import Cursor from "./util/cursor.js";
import Websock from "./websock.js";
import KeyTable from "./input/keysym.js";
@ -119,6 +120,7 @@ export default class RFB extends EventTargetMixin {
this._shared = 'shared' in options ? !!options.shared : true;
this._repeaterID = options.repeaterID || '';
this._wsProtocols = options.wsProtocols || [];
this._gesturesMode = options.gesturesMode || ''
// Internal state
this._rfbConnectionState = '';
@ -208,6 +210,7 @@ export default class RFB extends EventTargetMixin {
handleMouse: this._handleMouse.bind(this),
handleWheel: this._handleWheel.bind(this),
handleGesture: this._handleGesture.bind(this),
handleUltraVNCTouch: this._handleUltraVNCTouch.bind(this),
handleRSAAESCredentialsRequired: this._handleRSAAESCredentialsRequired.bind(this),
handleRSAAESServerVerification: this._handleRSAAESServerVerification.bind(this),
};
@ -271,7 +274,13 @@ export default class RFB extends EventTargetMixin {
this._remoteCapsLock = null; // Null indicates unknown or irrelevant
this._remoteNumLock = null;
switch (this._gesturesMode) {
case 'ultravnc':
this._gestures = new TouchHandlerUltraVNC();
break;
default:
this._gestures = new GestureHandler();
}
this._sock = new Websock();
this._sock.on('open', this._socketOpen.bind(this));
@ -598,9 +607,15 @@ export default class RFB extends EventTargetMixin {
this._canvas.addEventListener("wheel", this._eventHandlers.handleWheel);
// Gesture events
this._canvas.addEventListener("gesturestart", this._eventHandlers.handleGesture);
this._canvas.addEventListener("gesturemove", this._eventHandlers.handleGesture);
this._canvas.addEventListener("gestureend", this._eventHandlers.handleGesture);
switch (this._gesturesMode) {
case 'ultravnc':
this._canvas.addEventListener('ultravnctouch', this._eventHandlers.handleUltraVNCTouch);
break;
default:
this._canvas.addEventListener('gesturestart', this._eventHandlers.handleGesture);
this._canvas.addEventListener('gesturemove', this._eventHandlers.handleGesture);
this._canvas.addEventListener('gestureend', this._eventHandlers.handleGesture);
}
Log.Debug("<< RFB.connect");
}
@ -608,9 +623,17 @@ export default class RFB extends EventTargetMixin {
_disconnect() {
Log.Debug(">> RFB.disconnect");
this._cursor.detach();
this._canvas.removeEventListener("gesturestart", this._eventHandlers.handleGesture);
this._canvas.removeEventListener("gesturemove", this._eventHandlers.handleGesture);
this._canvas.removeEventListener("gestureend", this._eventHandlers.handleGesture);
switch (this._gesturesMode) {
case 'ultravnc':
this._canvas.removeEventListener('ultravnctouch', this._eventHandlers.handleUltraVNCTouch);
break;
default:
this._canvas.removeEventListener('gesturestart', this._eventHandlers.handleGesture);
this._canvas.removeEventListener('gesturemove', this._eventHandlers.handleGesture);
this._canvas.removeEventListener('gestureend', this._eventHandlers.handleGesture);
}
this._canvas.removeEventListener("wheel", this._eventHandlers.handleWheel);
this._canvas.removeEventListener('mousedown', this._eventHandlers.handleMouse);
this._canvas.removeEventListener('mouseup', this._eventHandlers.handleMouse);
@ -1483,6 +1506,84 @@ export default class RFB extends EventTargetMixin {
}
}
_handleUltraVNCTouch(ev) {
this._sock.sQpush8(TouchHandlerUltraVNC.giiMsgType); // GII message type
this._sock.sQpush8(TouchHandlerUltraVNC.giiEventInjectionMsgType); // GII event
this._sock.sQpush16(TouchHandlerUltraVNC.giiEventInjectionSize + (TouchHandlerUltraVNC.giiEventInjectionTouchSize * ev.detail.currentTouches.length)); // length, not used
this._sock.sQpush8(TouchHandlerUltraVNC.giiEventInjectionSize + (TouchHandlerUltraVNC.giiEventInjectionTouchSize * ev.detail.currentTouches.length)); // eventSize, not used
this._sock.sQpush8(TouchHandlerUltraVNC.giiEventInjectionEventType); // eventType, not used
this._sock.sQpush16(0); // padding
this._sock.sQpush32(ev.detail.giiDeviceOrigin);
this._sock.sQpush32(ev.detail.currentTouches.length); // nb of touch events
this._sock.sQpush32(TouchHandlerUltraVNC.giiNumTouches * ev.detail.currentTouches.length); // count
let pointerUpIds = [];
// Send all current touches
for (let i = 0; i < ev.detail.currentTouches.length; i++) {
let valuatorFlag = 0x00000000;
valuatorFlag |= TouchHandlerUltraVNC.LENGTH_16_flag;
valuatorFlag |= TouchHandlerUltraVNC.IDFORMAT_32;
if (ev.detail.currentTouches[i].status !== "POINTER_UP") valuatorFlag |= TouchHandlerUltraVNC.PF_flag;
if (ev.detail.currentTouches[i].event.identifier === 0) valuatorFlag |= TouchHandlerUltraVNC.IF_flag; // IF_flag
this._sock.sQpush32(valuatorFlag);
this._sock.sQpush32(ev.detail.currentTouches[i].event.touchIdentifier);
let scaledPosition = clientToElement(ev.detail.currentTouches[i].event.clientX, ev.detail.currentTouches[i].event.clientY,
this._canvas);
if ((valuatorFlag & TouchHandlerUltraVNC.LENGTH_16_flag) !== 0) {
let scaledX16 = this._display.absX(scaledPosition.x) & 0xFFFF;
let scaledY16 = this._display.absY(scaledPosition.y) & 0xFFFF;
let coordinates = (scaledX16 << 16) | scaledY16;
this._sock.sQpush32(coordinates);
}
// Keep track of last released touches
if (ev.detail.currentTouches[i].status === "POINTER_UP") {
pointerUpIds.push(ev.detail.currentTouches[i].event.identifier);
}
}
this._sock.flush();
// Remove released touches from current touches in handler
for (let i = 0; i < pointerUpIds.length; i++) {
const index = ev.detail.currentTouches.findIndex(t => t.event.identifier === pointerUpIds[i]);
if (index !== -1) {
this._gestures._removeTouch(index);
}
}
// Interrupt touch sending interval
if (ev.detail.currentTouches.length === 0 && this._sendTouchesIntervalId !== -1) {
this._gestures._interruptTouches();
this._sendEmptyTouch(ev.detail.giiDeviceOrigin);
return;
}
}
_sendEmptyTouch(giiDeviceOrigin) {
let valuatorFlag = 0x00000000;
valuatorFlag |= TouchHandlerUltraVNC.LENGTH_16_flag;
valuatorFlag |= TouchHandlerUltraVNC.IDFORMAT_CLEAR;
this._sock.sQpush8(TouchHandlerUltraVNC.giiMsgType); // GII message type
this._sock.sQpush8(TouchHandlerUltraVNC.giiEventInjectionMsgType); // GII event
this._sock.sQpush16(TouchHandlerUltraVNC.giiEventInjectionHeaderSize + TouchHandlerUltraVNC.giiEventInjectionSize);
this._sock.sQpush8(TouchHandlerUltraVNC.giiEventInjectionHeaderSize + TouchHandlerUltraVNC.giiEventInjectionSize);
this._sock.sQpush8(TouchHandlerUltraVNC.giiEventInjectionEventType);
this._sock.sQpush16(0); // padding
this._sock.sQpush32(giiDeviceOrigin); // deviceOrigin
this._sock.sQpush32(1); // nb of touchevents
this._sock.sQpush32(4); // nb of values, not used
this._sock.sQpush32(valuatorFlag);
this._sock.sQpush32(0); // empty Id
this._sock.sQpush32(0); // empty coordinates
this._sock.flush();
}
_flushMouseMoveTimer(x, y) {
if (this._mouseMoveTimer !== null) {
clearTimeout(this._mouseMoveTimer);
@ -2261,6 +2362,10 @@ export default class RFB extends EventTargetMixin {
encs.push(encodings.pseudoEncodingExtendedClipboard);
encs.push(encodings.pseudoEncodingExtendedMouseButtons);
if (this._gesturesMode === 'ultravnc') {
encs.push(encodings.pseudoEncodingGii);
}
if (this._fbDepth == 24) {
encs.push(encodings.pseudoEncodingVMwareCursor);
encs.push(encodings.pseudoEncodingCursor);
@ -2556,6 +2661,30 @@ export default class RFB extends EventTargetMixin {
return true;
}
_handleGiiMsg() {
if (this._sock.rQwait("GII message subtype", 1, 1)) {
return false;
}
let giiMsgSubtype = this._sock.rQshift8();
switch (giiMsgSubtype) {
case 129: // GII Version Message
if (this._sock.rQwait("GII version message", 34, 1)) { return false; }
this._sock.rQskipBytes(34);
RFB.messages.giiVersionMessage(this._sock);
RFB.messages.giiDeviceCreation(this._sock);
break;
case 130: // GII Device Creation
if (this._sock.rQwait("GII device creation", 6, 1)) { return false; }
this._sock.rQshiftBytes(2);
this._gestures._giiDeviceOrigin = this._sock.rQshift32();
if (this._gestures._giiDeviceOrigin) this._gestures._isUltraVNCTouchActivated = true;
break;
}
return true;
}
_normalMsg() {
let msgType;
if (this._FBU.rects > 0) {
@ -2607,6 +2736,9 @@ export default class RFB extends EventTargetMixin {
case 250: // XVP
return this._handleXvpMsg();
case 253: // GII
return this._handleGiiMsg();
default:
this._fail("Unexpected server message (type " + msgType + ")");
Log.Debug("sock.rQpeekBytes(30): " + this._sock.rQpeekBytes(30));
@ -3070,6 +3202,16 @@ export default class RFB extends EventTargetMixin {
"raw", passwordChars, { name: "DES-ECB" }, false, ["encrypt"]);
return legacyCrypto.encrypt({ name: "DES-ECB" }, key, challenge);
}
static stringAsByteArrayWithPadding(str, size) {
let full = new Uint8Array(size);
let utf8Encode = new TextEncoder();
let strArray = utf8Encode.encode(str);
for (let i = 0; i < strArray.length; i++) {
full[i] = strArray[i];
}
return full;
}
}
// Class Methods
@ -3386,6 +3528,44 @@ RFB.messages = {
sock.sQpush8(ver);
sock.sQpush8(op);
sock.flush();
},
giiVersionMessage(sock) {
sock.sQpush8(TouchHandlerUltraVNC.giiMsgType);
sock.sQpush8(TouchHandlerUltraVNC.giiDeviceVersionMsgType);
sock.sQpush16(TouchHandlerUltraVNC.giiDeviceVersionMsgSize);
sock.sQpush16(TouchHandlerUltraVNC.giiDeviceVersion);
sock.flush();
},
giiDeviceCreation(sock) {
sock.sQpush8(TouchHandlerUltraVNC.giiMsgType);
sock.sQpush8(TouchHandlerUltraVNC.giiDeviceCreationMsgType);
sock.sQpush16(TouchHandlerUltraVNC.giiDeviceCreationMsgSize);
sock.sQpushBytes(RFB.stringAsByteArrayWithPadding(TouchHandlerUltraVNC.giiDeviceName, TouchHandlerUltraVNC.giiDeviceNameSize));
sock.sQpush8(TouchHandlerUltraVNC.giiDNTerm);
sock.sQpush32(TouchHandlerUltraVNC.giiVendorID);
sock.sQpush32(TouchHandlerUltraVNC.giiProductID);
sock.sQpush32(TouchHandlerUltraVNC.giiEventMask);
sock.sQpush32(TouchHandlerUltraVNC.giiNumRegisters);
sock.sQpush32(TouchHandlerUltraVNC.giiNumValuators);
sock.sQpush32(TouchHandlerUltraVNC.giiNumButtons);
sock.sQpush32(TouchHandlerUltraVNC.giiIndex);
sock.sQpushBytes(RFB.stringAsByteArrayWithPadding(TouchHandlerUltraVNC.giiDeviceLongName, TouchHandlerUltraVNC.giiDeviceLongNameSize));
sock.sQpush8(TouchHandlerUltraVNC.giiLNTerm);
sock.sQpushBytes(RFB.stringAsByteArrayWithPadding(TouchHandlerUltraVNC.giiDeviceShortName, TouchHandlerUltraVNC.giiDeviceShortNameSize));
sock.sQpush8(TouchHandlerUltraVNC.giiSNTerm);
sock.sQpush32(TouchHandlerUltraVNC.giiRangeMin);
sock.sQpush32(TouchHandlerUltraVNC.giiRangeCenter);
sock.sQpush32(TouchHandlerUltraVNC.giiRangeMax);
sock.sQpush32(TouchHandlerUltraVNC.giiSIUnit);
sock.sQpush32(TouchHandlerUltraVNC.giiSIAdd);
sock.sQpush32(TouchHandlerUltraVNC.giiSIMul);
sock.sQpush32(TouchHandlerUltraVNC.giiSIDiv);
sock.sQpush32(TouchHandlerUltraVNC.giiSIShift);
sock.flush();
}
};

View File

@ -295,6 +295,11 @@
class="toggle">
Show dot when no cursor
</label>
<label for="noVNC_setting_gestures_mode">Gestures mode:</label>
<select id="noVNC_setting_gestures_mode" name="vncGestures">
<option value="novnc">Default (noVNC)</option>
<option value="ultravnc">UltraVNC</option>
</select>
</li>
<li><hr></li>
<!-- Logging selection dropdown -->