mirror of
https://github.com/gyurix1968/guacamole-client.git
synced 2025-09-06 05:07:41 +00:00
Adding files from old SVN repo, as of 0.2.6 trunk.
This commit is contained in:
Michael Jumper
637
guacamole/web/javascript/guacamole.js
Normal file
637
guacamole/web/javascript/guacamole.js
Normal file
@@ -0,0 +1,637 @@
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/*
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* Guacamole - Pure JavaScript/HTML VNC Client
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* Copyright (C) 2010 Michael Jumper
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
|
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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||||
*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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function VNCClient(display) {
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var STATE_IDLE = 0;
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var STATE_CONNECTING = 1;
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var STATE_WAITING = 2;
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var STATE_CONNECTED = 3;
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var STATE_DISCONNECTING = 4;
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var STATE_DISCONNECTED = 5;
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var currentState = STATE_IDLE;
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var stateChangeHandler = null;
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function setState(state) {
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if (state != currentState) {
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currentState = state;
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if (stateChangeHandler)
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stateChangeHandler(currentState);
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}
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}
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this.setOnStateChangeHandler = function(handler) {
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stateChangeHandler = handler;
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}
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function isConnected() {
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return currentState == STATE_CONNECTED
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|| currentState == STATE_WAITING;
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}
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||||
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var keyIndex = 0;
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var xmlIndex = 0;
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// Layers
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var background = null;
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var cursor = null;
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var cursorImage = null;
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var cursorHotspotX = 0;
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var cursorHotspotY = 0;
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// FIXME: Make object. Clean up.
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var cursorRectX = 0;
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var cursorRectY = 0;
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var cursorRectW = 0;
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var cursorRectH = 0;
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var cursorHidden = 0;
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function redrawCursor() {
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// Hide hardware cursor
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if (cursorHidden == 0) {
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display.className += " hideCursor";
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cursorHidden = 1;
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}
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// Erase old cursor
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cursor.clearRect(cursorRectX, cursorRectY, cursorRectW, cursorRectH);
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// Update rect
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cursorRectX = mouse.getX() - cursorHotspotX;
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cursorRectY = mouse.getY() - cursorHotspotY;
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cursorRectW = cursorImage.width;
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cursorRectH = cursorImage.height;
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// Draw new cursor
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cursor.drawImage(cursorRectX, cursorRectY, cursorImage);
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}
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/*****************************************/
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||||
/*** Keyboard ***/
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||||
/*****************************************/
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var keyboard = new GuacamoleKeyboard(document);
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this.disableKeyboard = function() {
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keyboard.setKeyPressedHandler(null);
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keyboard.setKeyReleasedHandler(null);
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};
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this.enableKeyboard = function() {
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keyboard.setKeyPressedHandler(
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function (keysym) {
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sendKeyEvent(1, keysym);
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}
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);
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keyboard.setKeyReleasedHandler(
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||||
function (keysym) {
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sendKeyEvent(0, keysym);
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}
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);
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};
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// Enable keyboard by default
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this.enableKeyboard();
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||||
function sendKeyEvent(pressed, keysym) {
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||||
// Do not send requests if not connected
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if (!isConnected())
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return;
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var key_xmlhttprequest = new XMLHttpRequest();
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key_xmlhttprequest.open("GET",
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"key?index=" + (keyIndex++)
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+ "&pressed=" + pressed
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+ "&keysym=" + keysym);
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key_xmlhttprequest.send(null);
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}
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this.pressKey = function(keysym) {
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sendKeyEvent(1, keysym);
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};
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this.releaseKey = function(keysym) {
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sendKeyEvent(0, keysym);
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};
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/*****************************************/
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/*** Mouse ***/
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/*****************************************/
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||||
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var mouse = new GuacamoleMouse(display);
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mouse.setButtonPressedHandler(
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function(mouseState) {
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sendMouseState(mouseState);
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}
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);
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mouse.setButtonReleasedHandler(
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function(mouseState) {
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sendMouseState(mouseState);
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||||
}
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);
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||||
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mouse.setMovementHandler(
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function(mouseState) {
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// Draw client-side cursor
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if (cursorImage != null) {
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redrawCursor();
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}
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||||
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sendMouseState(mouseState);
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||||
}
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);
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||||
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var sendingMouseEvents = 0;
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||||
var mouseEventBuffer = "";
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||||
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||||
function sendMouseState(mouseState) {
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||||
// Do not send requests if not connected
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if (!isConnected())
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return;
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// Add event to queue, restart send loop if finished.
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if (mouseEventBuffer.length > 0) mouseEventBuffer += "&";
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mouseEventBuffer += "event=" + mouseState.toString();
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if (sendingMouseEvents == 0)
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sendPendingMouseEvents();
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}
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function sendPendingMouseEvents() {
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// Do not send requests if not connected
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if (!isConnected())
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return;
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if (mouseEventBuffer.length > 0) {
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sendingMouseEvents = 1;
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var mouse_xmlhttprequest = new XMLHttpRequest();
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mouse_xmlhttprequest.open("GET", "pointer?" + mouseEventBuffer);
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mouseEventBuffer = ""; // Clear buffer
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var eventSendStart = new Date().getTime();
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||||
// Once response received, send next queued event.
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mouse_xmlhttprequest.onreadystatechange = function() {
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// Update round-trip-time figures
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||||
if (mouse_xmlhttprequest.readyState == 2) {
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var eventSendEnd = new Date().getTime();
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||||
totalRoundTrip += eventSendEnd - eventSendStart;
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roundTripSamples++;
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}
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if (mouse_xmlhttprequest.readyState == 4) {
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sendPendingMouseEvents();
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}
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};
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mouse_xmlhttprequest.send(null);
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}
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else
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sendingMouseEvents = 0;
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||||
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}
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||||
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/*****************************************/
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/*** Clipboard ***/
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/*****************************************/
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||||
this.setClipboard = function(data) {
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// Do not send requests if not connected
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if (!isConnected())
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return;
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var clipboard_xmlhttprequest = new XMLHttpRequest();
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clipboard_xmlhttprequest.open("POST", "clipboard");
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var sendStart = new Date().getTime();
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// Update round trip metrics
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clipboard_xmlhttprequest.onreadystatechange = function() {
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// Update round-trip-time figures
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if (clipboard_xmlhttprequest.readyState == 2) {
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||||
var sendEnd = new Date().getTime();
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totalRoundTrip += sendEnd - sendStart;
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roundTripSamples++;
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}
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};
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clipboard_xmlhttprequest.send(data);
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}
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function desaturateFilter(data, width, height) {
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for (var i=0; i<data.length; i+=4) {
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// Get RGB values
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var r = data[i];
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var g = data[i+1];
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var b = data[i+2];
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// Desaturate
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var v = Math.max(r, g, b) / 2;
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data[i] = v;
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data[i+1] = v;
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data[i+2] = v;
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}
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}
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var errorHandler = null;
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this.setErrorHandler = function(handler) {
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errorHandler = handler;
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||||
};
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var errorEncountered = 0;
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||||
function showError(error) {
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// Only display first error (avoid infinite error loops)
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if (errorEncountered == 0) {
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errorEncountered = 1;
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disconnect();
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||||
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// In case nothing has been rendered yet, use error style
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display.className += " error";
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||||
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||||
// Show error by desaturating display
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if (background)
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background.filter(desaturateFilter);
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if (errorHandler)
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errorHandler(error);
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}
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}
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||||
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function handleErrors(message) {
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var errors = message.getErrors();
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||||
for (var errorIndex=0; errorIndex<errors.length; errorIndex++)
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showError(errors[errorIndex].getMessage());
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||||
}
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||||
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// Data transfer statistics
|
||||
var totalTransferred = 0;
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var totalTime = 0;
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var totalRoundTrip = 0;
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var roundTripSamples = 0;
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var clipboardHandler = null;
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||||
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this.setClipboardHandler = function(handler) {
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clipboardHandler = handler;
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};
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||||
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function handleResponse(xmlhttprequest) {
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var start = null; // Start of download time
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var startOffset = null;
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var instructionStart = 0;
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var startIndex = 0;
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||||
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||||
// Make request for next before it's too late
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var nextRequest = null;
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if (xmlhttprequest.readyState >= 2)
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||||
nextRequest = makeRequest();
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||||
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function parseResponse() {
|
||||
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// Make request the moment we receive headers
|
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// If the event handler isn't set by the time headers are available, we will
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// already have made this request.
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if (xmlhttprequest.readyState == 2) {
|
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if (nextRequest == null)
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||||
nextRequest = makeRequest();
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||||
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||||
start = new Date().getTime();
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startOffset = 0;
|
||||
}
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||||
|
||||
// Parse stream when data is received and when complete.
|
||||
if (xmlhttprequest.readyState == 3 ||
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||||
xmlhttprequest.readyState == 4) {
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// Halt on error during request
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if (xmlhttprequest.status == 0) {
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showError("Request canceled by browser.");
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||||
return;
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}
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else if (xmlhttprequest.status != 200) {
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||||
showError("Error during request (HTTP " + xmlhttprequest.status + "): " + xmlhttprequest.statusText);
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return;
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||||
}
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||||
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||||
var current = xmlhttprequest.responseText;
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||||
var instructionEnd;
|
||||
|
||||
if (start == null) {
|
||||
start = new Date().getTime();
|
||||
startOffset = current.length;
|
||||
}
|
||||
|
||||
while ((instructionEnd = current.indexOf(";", startIndex)) != -1) {
|
||||
|
||||
// Start next search at next instruction
|
||||
startIndex = instructionEnd+1;
|
||||
|
||||
var instruction = current.substr(instructionStart,
|
||||
instructionEnd - instructionStart);
|
||||
|
||||
instructionStart = startIndex;
|
||||
|
||||
var opcodeEnd = instruction.indexOf(":");
|
||||
|
||||
var opcode = instruction.substr(0, opcodeEnd);
|
||||
var parameters = instruction.substr(opcodeEnd+1).split(",");
|
||||
|
||||
// Call instruction handler.
|
||||
doInstruction(opcode, parameters);
|
||||
}
|
||||
|
||||
// Start search at end of string.
|
||||
startIndex = current.length;
|
||||
|
||||
delete instruction;
|
||||
delete parameters;
|
||||
|
||||
// If we're done parsing, handle the next response.
|
||||
if (xmlhttprequest.readyState == 4 && isConnected()) {
|
||||
|
||||
// If we got the start time, do statistics.
|
||||
if (start) {
|
||||
var end = new Date().getTime();
|
||||
var duration = end - start;
|
||||
var length = current.length;
|
||||
|
||||
totalTime += duration;
|
||||
totalTransferred += length;
|
||||
}
|
||||
|
||||
delete xmlhttprequest;
|
||||
handleResponse(nextRequest);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
xmlhttprequest.onreadystatechange = parseResponse;
|
||||
|
||||
// Handle what we have so far.
|
||||
parseResponse();
|
||||
}
|
||||
|
||||
function makeRequest() {
|
||||
|
||||
// Calculate message limit as number of bytes likely to be transferred
|
||||
// in one round trip.
|
||||
var messageLimit;
|
||||
if (totalTime == 0 || roundTripSamples == 0)
|
||||
messageLimit = 10240; // Default to a reasonable 10k
|
||||
else
|
||||
messageLimit = Math.round(totalRoundTrip * totalTransferred / totalTime / roundTripSamples);
|
||||
|
||||
// Download self
|
||||
var xmlhttprequest = new XMLHttpRequest();
|
||||
xmlhttprequest.open("GET", "instructions?messageLimit=" + messageLimit);
|
||||
xmlhttprequest.send(null);
|
||||
|
||||
return xmlhttprequest;
|
||||
|
||||
}
|
||||
|
||||
function unescapeGuacamoleString(str) {
|
||||
|
||||
var unescapedString = "";
|
||||
|
||||
for (var i=0; i<str.length; i++) {
|
||||
|
||||
var c = str.charAt(i);
|
||||
if (c == "\\" && i<str.length-1) {
|
||||
|
||||
var escapeChar = str.charAt(++i);
|
||||
if (escapeChar == "c")
|
||||
unescapedString += ",";
|
||||
else if (escapeChar == "s")
|
||||
unescapedString += ";";
|
||||
else if (escapeChar == "\\")
|
||||
unescapedString += "\\";
|
||||
else
|
||||
unescapedString += "\\" + escapeChar;
|
||||
|
||||
}
|
||||
else
|
||||
unescapedString += c;
|
||||
|
||||
}
|
||||
|
||||
return unescapedString;
|
||||
|
||||
}
|
||||
|
||||
var instructionHandlers = {
|
||||
|
||||
"error": function(parameters) {
|
||||
showError(unescapeGuacamoleString(parameters[0]));
|
||||
},
|
||||
|
||||
"name": function(parameters) {
|
||||
document.title = "Guacamole (" + unescapeGuacamoleString(parameters[0]) + ")";
|
||||
},
|
||||
|
||||
"clipboard": function(parameters) {
|
||||
clipboardHandler(unescapeGuacamoleString(parameters[0]));
|
||||
},
|
||||
|
||||
"size": function(parameters) {
|
||||
|
||||
var width = parameters[0];
|
||||
var height = parameters[1];
|
||||
|
||||
// Update (set) display size
|
||||
if (display && (background == null || cursor == null)) {
|
||||
display.style.width = width + "px";
|
||||
display.style.height = height + "px";
|
||||
|
||||
background = new Layer(width, height);
|
||||
cursor = new Layer(width, height);
|
||||
|
||||
display.appendChild(background);
|
||||
display.appendChild(cursor);
|
||||
}
|
||||
|
||||
},
|
||||
|
||||
"rect": function(parameters) {
|
||||
|
||||
var x = parameters[0];
|
||||
var y = parameters[1];
|
||||
var w = parameters[2];
|
||||
var h = parameters[3];
|
||||
var color = parameters[4];
|
||||
|
||||
background.drawRect(
|
||||
x,
|
||||
y,
|
||||
w,
|
||||
h,
|
||||
color
|
||||
);
|
||||
|
||||
},
|
||||
|
||||
"png": function(parameters) {
|
||||
|
||||
var x = parameters[0];
|
||||
var y = parameters[1];
|
||||
var data = parameters[2];
|
||||
|
||||
background.draw(
|
||||
x,
|
||||
y,
|
||||
"data:image/png;base64," + data
|
||||
);
|
||||
|
||||
// If received first update, no longer waiting.
|
||||
if (currentState == STATE_WAITING)
|
||||
setState(STATE_CONNECTED);
|
||||
|
||||
},
|
||||
|
||||
"copy": function(parameters) {
|
||||
|
||||
var srcX = parameters[0];
|
||||
var srcY = parameters[1];
|
||||
var srcWidth = parameters[2];
|
||||
var srcHeight = parameters[3];
|
||||
var dstX = parameters[4];
|
||||
var dstY = parameters[5];
|
||||
|
||||
background.copyRect(
|
||||
srcX,
|
||||
srcY,
|
||||
srcWidth,
|
||||
srcHeight,
|
||||
dstX,
|
||||
dstY
|
||||
);
|
||||
|
||||
},
|
||||
|
||||
"cursor": function(parameters) {
|
||||
|
||||
var x = parameters[0];
|
||||
var y = parameters[1];
|
||||
var data = parameters[2];
|
||||
|
||||
// Start cursor image load
|
||||
var image = new Image();
|
||||
image.onload = function() {
|
||||
cursorImage = image;
|
||||
cursorHotspotX = x;
|
||||
cursorHotspotY = y;
|
||||
redrawCursor();
|
||||
};
|
||||
image.src = "data:image/png;base64," + data
|
||||
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
function doInstruction(opcode, parameters) {
|
||||
|
||||
var handler = instructionHandlers[opcode];
|
||||
if (handler)
|
||||
handler(parameters);
|
||||
|
||||
}
|
||||
|
||||
|
||||
this.connect = function() {
|
||||
|
||||
// Attempt connection
|
||||
var connect_xmlhttprequest = new XMLHttpRequest();
|
||||
connect_xmlhttprequest.open("GET", "connect", false);
|
||||
|
||||
setState(STATE_CONNECTING);
|
||||
connect_xmlhttprequest.send(null);
|
||||
|
||||
// Handle result (and check for errors)
|
||||
var message = new GuacamoleMessage(connect_xmlhttprequest.responseXML);
|
||||
if (!message.hasErrors()) {
|
||||
setState(STATE_WAITING);
|
||||
handleResponse(makeRequest()); // Start stream if connection successful
|
||||
}
|
||||
else
|
||||
handleErrors(message);
|
||||
|
||||
};
|
||||
|
||||
function disconnect() {
|
||||
|
||||
// Only attempt disconnection not disconnected.
|
||||
if (currentState != STATE_DISCONNECTED
|
||||
&& currentState != STATE_DISCONNECTING) {
|
||||
|
||||
setState(STATE_DISCONNECTING);
|
||||
|
||||
// Attempt disdisconnection
|
||||
var disconnect_xmlhttprequest = new XMLHttpRequest();
|
||||
disconnect_xmlhttprequest.open("GET", "disconnect", false);
|
||||
disconnect_xmlhttprequest.send(null);
|
||||
|
||||
// Handle result (and check for errors)
|
||||
var message = new GuacamoleMessage(disconnect_xmlhttprequest.responseXML);
|
||||
handleErrors(message);
|
||||
|
||||
setState(STATE_DISCONNECTED);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
this.disconnect = disconnect;
|
||||
|
||||
}
|
||||
270
guacamole/web/javascript/keyboard.js
Normal file
270
guacamole/web/javascript/keyboard.js
Normal file
@@ -0,0 +1,270 @@
|
||||
|
||||
/*
|
||||
* Guacamole - Pure JavaScript/HTML VNC Client
|
||||
* Copyright (C) 2010 Michael Jumper
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
function GuacamoleKeyboard(element) {
|
||||
|
||||
/*****************************************/
|
||||
/*** Keyboard Handler ***/
|
||||
/*****************************************/
|
||||
|
||||
// Single key state/modifier buffer
|
||||
var modShift = 0;
|
||||
var modCtrl = 0;
|
||||
var modAlt = 0;
|
||||
|
||||
var keydownChar = new Array();
|
||||
|
||||
|
||||
// ID of routine repeating keystrokes. -1 = not repeating.
|
||||
var repeatKeyTimeoutId = -1;
|
||||
var repeatKeyIntervalId = -1;
|
||||
|
||||
// Starts repeating keystrokes
|
||||
function startRepeat(keySym) {
|
||||
repeatKeyIntervalId = setInterval(function() {
|
||||
sendKeyReleased(keySym);
|
||||
sendKeyPressed(keySym);
|
||||
}, 50);
|
||||
}
|
||||
|
||||
// Stops repeating keystrokes
|
||||
function stopRepeat() {
|
||||
if (repeatKeyTimeoutId != -1) clearInterval(repeatKeyTimeoutId);
|
||||
if (repeatKeyIntervalId != -1) clearInterval(repeatKeyIntervalId);
|
||||
}
|
||||
|
||||
|
||||
function getKeySymFromKeyIdentifier(shifted, keyIdentifier) {
|
||||
|
||||
var unicodePrefixLocation = keyIdentifier.indexOf("U+");
|
||||
if (unicodePrefixLocation >= 0) {
|
||||
|
||||
var hex = keyIdentifier.substring(unicodePrefixLocation+2);
|
||||
var codepoint = parseInt(hex, 16);
|
||||
var typedCharacter;
|
||||
|
||||
// Convert case if shifted
|
||||
if (shifted == 0)
|
||||
typedCharacter = String.fromCharCode(codepoint).toLowerCase();
|
||||
else
|
||||
typedCharacter = String.fromCharCode(codepoint).toUpperCase();
|
||||
|
||||
// Get codepoint
|
||||
codepoint = typedCharacter.charCodeAt(0);
|
||||
|
||||
return getKeySymFromCharCode(codepoint);
|
||||
|
||||
}
|
||||
|
||||
return null;
|
||||
|
||||
}
|
||||
|
||||
function getKeySymFromCharCode(keyCode) {
|
||||
|
||||
if (keyCode >= 0x0000 && keyCode <= 0x00FF)
|
||||
return keyCode;
|
||||
|
||||
if (keyCode >= 0x0100 && keyCode <= 0x10FFFF)
|
||||
return 0x01000000 | keyCode;
|
||||
|
||||
return null;
|
||||
|
||||
}
|
||||
|
||||
function getKeySymFromKeyCode(keyCode) {
|
||||
|
||||
var keysym = null;
|
||||
if (modShift == 0) keysym = unshiftedKeySym[keyCode];
|
||||
else {
|
||||
keysym = shiftedKeySym[keyCode];
|
||||
if (keysym == null) keysym = unshiftedKeySym[keyCode];
|
||||
}
|
||||
|
||||
return keysym;
|
||||
|
||||
}
|
||||
|
||||
|
||||
// Sends a single keystroke over the network
|
||||
function sendKeyPressed(keysym) {
|
||||
if (keysym != null && keyPressedHandler)
|
||||
keyPressedHandler(keysym);
|
||||
}
|
||||
|
||||
// Sends a single keystroke over the network
|
||||
function sendKeyReleased(keysym) {
|
||||
if (keysym != null)
|
||||
keyReleasedHandler(keysym);
|
||||
}
|
||||
|
||||
|
||||
var KEYDOWN = 1;
|
||||
var KEYPRESS = 2;
|
||||
|
||||
var keySymSource = null;
|
||||
|
||||
// When key pressed
|
||||
var keydownCode = null;
|
||||
element.onkeydown = function(e) {
|
||||
|
||||
// Only intercept if handler set
|
||||
if (!keyPressedHandler) return true;
|
||||
|
||||
var keynum;
|
||||
if (window.event) keynum = window.event.keyCode;
|
||||
else if (e.which) keynum = e.which;
|
||||
|
||||
// Ctrl/Alt/Shift
|
||||
if (keynum == 16)
|
||||
modShift = 1;
|
||||
else if (keynum == 17)
|
||||
modCtrl = 1;
|
||||
else if (keynum == 18)
|
||||
modAlt = 1;
|
||||
|
||||
var keysym = getKeySymFromKeyCode(keynum);
|
||||
if (keysym) {
|
||||
// Get keysyms and events from KEYDOWN
|
||||
keySymSource = KEYDOWN;
|
||||
}
|
||||
|
||||
// If modifier keys are held down, and we have keyIdentifier
|
||||
else if ((modCtrl == 1 || modAlt == 1) && e.keyIdentifier) {
|
||||
|
||||
// Get keysym from keyIdentifier
|
||||
keysym = getKeySymFromKeyIdentifier(modShift, e.keyIdentifier);
|
||||
|
||||
// Get keysyms and events from KEYDOWN
|
||||
keySymSource = KEYDOWN;
|
||||
|
||||
}
|
||||
|
||||
else
|
||||
// Get keysyms and events from KEYPRESS
|
||||
keySymSource = KEYPRESS;
|
||||
|
||||
keydownCode = keynum;
|
||||
|
||||
// Ignore key if we don't need to use KEYPRESS.
|
||||
// Send key event here
|
||||
if (keySymSource == KEYDOWN) {
|
||||
|
||||
if (keydownChar[keynum] != keysym) {
|
||||
|
||||
// Send event
|
||||
keydownChar[keynum] = keysym;
|
||||
sendKeyPressed(keysym);
|
||||
|
||||
// Clear old key repeat, if any.
|
||||
stopRepeat();
|
||||
|
||||
// Start repeating (if not a modifier key) after a short delay
|
||||
if (keynum != 16 && keynum != 17 && keynum != 18)
|
||||
repeatKeyTimeoutId = setTimeout(function() { startRepeat(keysym); }, 500);
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
// When key pressed
|
||||
element.onkeypress = function(e) {
|
||||
|
||||
// Only intercept if handler set
|
||||
if (!keyPressedHandler) return true;
|
||||
|
||||
if (keySymSource != KEYPRESS) return false;
|
||||
|
||||
var keynum;
|
||||
if (window.event) keynum = window.event.keyCode;
|
||||
else if (e.which) keynum = e.which;
|
||||
|
||||
var keysym = getKeySymFromCharCode(keynum);
|
||||
if (keysym && keydownChar[keynum] != keysym) {
|
||||
|
||||
// If this button already pressed, release first
|
||||
var lastKeyDownChar = keydownChar[keydownCode];
|
||||
if (lastKeyDownChar)
|
||||
sendKeyReleased(lastKeyDownChar);
|
||||
|
||||
keydownChar[keydownCode] = keysym;
|
||||
|
||||
// Clear old key repeat, if any.
|
||||
stopRepeat();
|
||||
|
||||
// Send key event
|
||||
sendKeyPressed(keysym);
|
||||
|
||||
// Start repeating (if not a modifier key) after a short delay
|
||||
repeatKeyTimeoutId = setTimeout(function() { startRepeat(keysym); }, 500);
|
||||
}
|
||||
|
||||
return false;
|
||||
};
|
||||
|
||||
// When key released
|
||||
element.onkeyup = function(e) {
|
||||
|
||||
// Only intercept if handler set
|
||||
if (!keyReleasedHandler) return true;
|
||||
|
||||
var keynum;
|
||||
if (window.event) keynum = window.event.keyCode;
|
||||
else if (e.which) keynum = e.which;
|
||||
|
||||
// Ctrl/Alt/Shift
|
||||
if (keynum == 16)
|
||||
modShift = 0;
|
||||
else if (keynum == 17)
|
||||
modCtrl = 0;
|
||||
else if (keynum == 18)
|
||||
modAlt = 0;
|
||||
else
|
||||
stopRepeat();
|
||||
|
||||
// Get corresponding character
|
||||
var lastKeyDownChar = keydownChar[keynum];
|
||||
|
||||
// Clear character record
|
||||
keydownChar[keynum] = null;
|
||||
|
||||
// Send release event
|
||||
sendKeyReleased(lastKeyDownChar);
|
||||
|
||||
return false;
|
||||
};
|
||||
|
||||
// When focus is lost, clear modifiers.
|
||||
var docOnblur = element.onblur;
|
||||
element.onblur = function() {
|
||||
modAlt = 0;
|
||||
modCtrl = 0;
|
||||
modShift = 0;
|
||||
if (docOnblur != null) docOnblur();
|
||||
};
|
||||
|
||||
var keyPressedHandler = null;
|
||||
var keyReleasedHandler = null;
|
||||
|
||||
this.setKeyPressedHandler = function(kh) { keyPressedHandler = kh; };
|
||||
this.setKeyReleasedHandler = function(kh) { keyReleasedHandler = kh; };
|
||||
|
||||
}
|
||||
72
guacamole/web/javascript/keymap.js
Normal file
72
guacamole/web/javascript/keymap.js
Normal file
@@ -0,0 +1,72 @@
|
||||
|
||||
/*
|
||||
* Guacamole - Pure JavaScript/HTML VNC Client
|
||||
* Copyright (C) 2010 Michael Jumper
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
|
||||
// Keymap
|
||||
|
||||
var unshiftedKeySym = new Array();
|
||||
unshiftedKeySym[8] = 0xFF08; // backspace
|
||||
unshiftedKeySym[9] = 0xFF09; // tab
|
||||
unshiftedKeySym[13] = 0xFF0D; // enter
|
||||
unshiftedKeySym[16] = 0xFFE1; // shift
|
||||
unshiftedKeySym[17] = 0xFFE3; // ctrl
|
||||
unshiftedKeySym[18] = 0xFFE9; // alt
|
||||
unshiftedKeySym[19] = 0xFF13; // pause/break
|
||||
unshiftedKeySym[20] = 0xFFE5; // caps lock
|
||||
unshiftedKeySym[27] = 0xFF1B; // escape
|
||||
unshiftedKeySym[33] = 0xFF55; // page up
|
||||
unshiftedKeySym[34] = 0xFF56; // page down
|
||||
unshiftedKeySym[35] = 0xFF57; // end
|
||||
unshiftedKeySym[36] = 0xFF50; // home
|
||||
unshiftedKeySym[37] = 0xFF51; // left arrow
|
||||
unshiftedKeySym[38] = 0xFF52; // up arrow
|
||||
unshiftedKeySym[39] = 0xFF53; // right arrow
|
||||
unshiftedKeySym[40] = 0xFF54; // down arrow
|
||||
unshiftedKeySym[45] = 0xFF63; // insert
|
||||
unshiftedKeySym[46] = 0xFFFF; // delete
|
||||
unshiftedKeySym[91] = 0xFFEB; // left window key (super_l)
|
||||
unshiftedKeySym[92] = 0xFF67; // right window key (menu key?)
|
||||
unshiftedKeySym[93] = null; // select key
|
||||
unshiftedKeySym[112] = 0xFFBE; // f1
|
||||
unshiftedKeySym[113] = 0xFFBF; // f2
|
||||
unshiftedKeySym[114] = 0xFFC0; // f3
|
||||
unshiftedKeySym[115] = 0xFFC1; // f4
|
||||
unshiftedKeySym[116] = 0xFFC2; // f5
|
||||
unshiftedKeySym[117] = 0xFFC3; // f6
|
||||
unshiftedKeySym[118] = 0xFFC4; // f7
|
||||
unshiftedKeySym[119] = 0xFFC5; // f8
|
||||
unshiftedKeySym[120] = 0xFFC6; // f9
|
||||
unshiftedKeySym[121] = 0xFFC7; // f10
|
||||
unshiftedKeySym[122] = 0xFFC8; // f11
|
||||
unshiftedKeySym[123] = 0xFFC9; // f12
|
||||
unshiftedKeySym[144] = 0xFF7F; // num lock
|
||||
unshiftedKeySym[145] = 0xFF14; // scroll lock
|
||||
|
||||
// Shifted versions, IF DIFFERENT FROM UNSHIFTED!
|
||||
// If any of these are null, the unshifted one will be used.
|
||||
var shiftedKeySym = new Array();
|
||||
shiftedKeySym[18] = 0xFFE7; // alt
|
||||
|
||||
// Constants for keysyms for special keys
|
||||
var KEYSYM_CTRL = 65507;
|
||||
var KEYSYM_ALT = 65513;
|
||||
var KEYSYM_DELETE = 65535;
|
||||
var KEYSYM_SHIFT = 65505;
|
||||
|
||||
|
||||
128
guacamole/web/javascript/layer.js
Normal file
128
guacamole/web/javascript/layer.js
Normal file
@@ -0,0 +1,128 @@
|
||||
|
||||
/*
|
||||
* Guacamole - Pure JavaScript/HTML VNC Client
|
||||
* Copyright (C) 2010 Michael Jumper
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
function Layer(width, height) {
|
||||
|
||||
// Off-screen buffer
|
||||
var display = document.createElement("canvas");
|
||||
|
||||
display.style.position = "absolute";
|
||||
display.style.left = "0px";
|
||||
display.style.right = "0px";
|
||||
|
||||
display.width = width;
|
||||
display.height = height;
|
||||
|
||||
var displayContext = display.getContext("2d");
|
||||
|
||||
var nextUpdateToDraw = 0;
|
||||
var currentUpdate = 0;
|
||||
var updates = new Array();
|
||||
|
||||
// Given an update ID, either call the provided update callback, or
|
||||
// schedule the update for later.
|
||||
function setUpdate(updateId, update) {
|
||||
|
||||
// If this update is the next to draw...
|
||||
if (updateId == nextUpdateToDraw) {
|
||||
|
||||
// Call provided update handler.
|
||||
update();
|
||||
|
||||
// Draw all pending updates.
|
||||
var updateCallback;
|
||||
while (updateCallback = updates[++nextUpdateToDraw]) {
|
||||
updateCallback();
|
||||
delete updates[nextUpdateToDraw];
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// If not next to draw, set callback and wait.
|
||||
else
|
||||
updates[updateId] = update;
|
||||
|
||||
}
|
||||
|
||||
display.drawImage = function(x, y, image) {
|
||||
var updateId = currentUpdate++;
|
||||
|
||||
setUpdate(updateId, function() {
|
||||
displayContext.drawImage(image, x, y);
|
||||
});
|
||||
|
||||
}
|
||||
|
||||
|
||||
display.draw = function(x, y, url) {
|
||||
var updateId = currentUpdate++;
|
||||
|
||||
var image = new Image();
|
||||
image.onload = function() {
|
||||
setUpdate(updateId, function() {
|
||||
displayContext.drawImage(image, x, y);
|
||||
});
|
||||
};
|
||||
image.src = url;
|
||||
};
|
||||
|
||||
|
||||
display.copyRect = function(srcx, srcy, w, h, x, y) {
|
||||
var updateId = currentUpdate++;
|
||||
|
||||
setUpdate(updateId, function() {
|
||||
displayContext.drawImage(display, srcx, srcy, w, h, x, y, w, h);
|
||||
});
|
||||
|
||||
};
|
||||
|
||||
display.drawRect = function(x, y, w, h, color) {
|
||||
var updateId = currentUpdate++;
|
||||
|
||||
setUpdate(updateId, function() {
|
||||
displayContext.fillStyle = color;
|
||||
displayContext.fillRect(x, y, w, h);
|
||||
});
|
||||
|
||||
};
|
||||
|
||||
display.clearRect = function(x, y, w, h) {
|
||||
var updateId = currentUpdate++;
|
||||
|
||||
setUpdate(updateId, function() {
|
||||
displayContext.clearRect(x, y, w, h);
|
||||
});
|
||||
|
||||
};
|
||||
|
||||
display.filter = function(filter) {
|
||||
var updateId = currentUpdate++;
|
||||
|
||||
setUpdate(updateId, function() {
|
||||
var imageData = displayContext.getImageData(0, 0, width, height);
|
||||
filter(imageData.data, width, height);
|
||||
displayContext.putImageData(imageData, 0, 0);
|
||||
});
|
||||
|
||||
};
|
||||
|
||||
return display;
|
||||
|
||||
}
|
||||
|
||||
175
guacamole/web/javascript/message.js
Normal file
175
guacamole/web/javascript/message.js
Normal file
@@ -0,0 +1,175 @@
|
||||
|
||||
/*
|
||||
* Guacamole - Pure JavaScript/HTML VNC Client
|
||||
* Copyright (C) 2010 Michael Jumper
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
function GuacamoleMessage(xml) {
|
||||
|
||||
var server = null;
|
||||
var framebuffer = null;
|
||||
var errors = new Array();
|
||||
var updates = new Array();
|
||||
|
||||
|
||||
this.getServer = function() { return server; };
|
||||
this.getFramebuffer = function() { return framebuffer; };
|
||||
this.getErrors = function() { return errors; };
|
||||
this.hasErrors = function() { return errors.length > 0; };
|
||||
this.getUpdates = function() { return updates; };
|
||||
|
||||
if (xml) {
|
||||
|
||||
// Parse document
|
||||
var root = xml.documentElement;
|
||||
if (root) {
|
||||
|
||||
// Parse errors
|
||||
var errorElements = root.getElementsByTagName("error");
|
||||
if (errorElements.length >= 1) {
|
||||
for (var errorIndex=0; errorIndex<errorElements.length; errorIndex++)
|
||||
errors.push(new GuacamoleError(errorElements[errorIndex].textContent));
|
||||
}
|
||||
|
||||
// Parse server element
|
||||
var servers = root.getElementsByTagName("server");
|
||||
if (servers.length == 1)
|
||||
server = new Server(servers[0].attributes['name'].value);
|
||||
|
||||
// Parse framebuffer element
|
||||
var framebuffers = root.getElementsByTagName("framebuffer");
|
||||
if (framebuffers.length == 1) {
|
||||
var width = framebuffers[0].attributes['width'].value;
|
||||
var height = framebuffers[0].attributes['height'].value;
|
||||
framebuffer = new Framebuffer(width, height);
|
||||
}
|
||||
|
||||
// Parse clipboard update elements
|
||||
var clipboards = root.getElementsByTagName("clipboard");
|
||||
if (clipboards.length == 1) {
|
||||
var data = clipboards[0].textContent;
|
||||
updates.push(new ClipboardUpdate(data));
|
||||
}
|
||||
|
||||
// Parse framebuffer update elements
|
||||
var updateElements = root.getElementsByTagName("update");
|
||||
for (var i=0; i<updateElements.length; i++) {
|
||||
|
||||
var update = updateElements[i];
|
||||
var type = update.attributes['type'].value;
|
||||
var x = parseInt(update.attributes['x'].value);
|
||||
var y = parseInt(update.attributes['y'].value);
|
||||
var index = parseInt(update.attributes['index'].value);
|
||||
|
||||
var image_uuid;
|
||||
var url;
|
||||
|
||||
// Image type update
|
||||
if (type == "image") {
|
||||
|
||||
// Use in-band image if given, otherwise use out-of-band
|
||||
if (update.textContent)
|
||||
url = "data:image/png;base64," + update.textContent;
|
||||
else {
|
||||
image_uuid = update.attributes['image'].value;
|
||||
url = "stream.png?image=" + image_uuid;
|
||||
}
|
||||
|
||||
updates.push(new FramebufferUpdate(index, x, y, url));
|
||||
} // end if image update
|
||||
|
||||
// CopyRect
|
||||
else if (type == "copyrect") {
|
||||
|
||||
var srcx = update.attributes['srcx'].value;
|
||||
var srcy = update.attributes['srcy'].value;
|
||||
var width = update.attributes['width'].value;
|
||||
var height = update.attributes['height'].value;
|
||||
|
||||
updates.push(new CopyRectFramebufferUpdate(index, srcx, srcy, width, height, x, y));
|
||||
} // end if copyrect
|
||||
|
||||
// Cursor
|
||||
else if (type == "cursor") {
|
||||
|
||||
// Use in-band image if given, otherwise use out-of-band
|
||||
if (update.textContent)
|
||||
url = "data:image/png;base64," + update.textContent;
|
||||
else {
|
||||
image_uuid = update.attributes['image'].value;
|
||||
url = "stream.png?image=" + image_uuid;
|
||||
}
|
||||
|
||||
updates.push(new CursorFramebufferUpdate(index, x, y, url));
|
||||
}
|
||||
|
||||
} // end for all updates
|
||||
|
||||
} // end if root
|
||||
|
||||
} // end if xml
|
||||
|
||||
}
|
||||
|
||||
function Server(name, width, height) {
|
||||
this.getName = function() { return name; };
|
||||
}
|
||||
|
||||
function Framebuffer(width, height) {
|
||||
|
||||
this.getWidth = function() { return width; };
|
||||
this.getHeight = function() { return height; };
|
||||
|
||||
}
|
||||
|
||||
function GuacamoleError(message) {
|
||||
this.getMessage = function() { return message; };
|
||||
}
|
||||
|
||||
function ClipboardUpdate(data) {
|
||||
this.getData = function() { return data; };
|
||||
}
|
||||
|
||||
function FramebufferUpdate(index, x, y, url) {
|
||||
|
||||
this.getIndex = function() { return index; };
|
||||
this.getX = function() { return x; };
|
||||
this.getY = function() { return y; };
|
||||
this.getURL = function() { return url; };
|
||||
|
||||
}
|
||||
|
||||
function CursorFramebufferUpdate(index, hotspotX, hotspotY, url) {
|
||||
|
||||
this.getIndex = function() { return index; };
|
||||
this.getHotspotX = function() { return hotspotX; };
|
||||
this.getHotspotY = function() { return hotspotY; };
|
||||
this.getURL = function() { return url; };
|
||||
|
||||
}
|
||||
|
||||
function CopyRectFramebufferUpdate(index, srcx, srcy, width, height, dstx, dsty) {
|
||||
|
||||
this.getIndex = function() { return index; };
|
||||
this.getSrcX = function() { return srcx; };
|
||||
this.getSrcY = function() { return srcy; };
|
||||
this.getWidth = function() { return width; };
|
||||
this.getHeight = function() { return height; };
|
||||
this.getDstX = function() { return dstx; };
|
||||
this.getDstY = function() { return dsty; };
|
||||
|
||||
}
|
||||
|
||||
205
guacamole/web/javascript/mouse.js
Normal file
205
guacamole/web/javascript/mouse.js
Normal file
@@ -0,0 +1,205 @@
|
||||
|
||||
/*
|
||||
* Guacamole - Pure JavaScript/HTML VNC Client
|
||||
* Copyright (C) 2010 Michael Jumper
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
|
||||
function GuacamoleMouse(element) {
|
||||
|
||||
/*****************************************/
|
||||
/*** Mouse Handler ***/
|
||||
/*****************************************/
|
||||
|
||||
|
||||
var mouseIndex = 0;
|
||||
|
||||
var mouseLeftButton = 0;
|
||||
var mouseMiddleButton = 0;
|
||||
var mouseRightButton = 0;
|
||||
|
||||
var mouseX = 0;
|
||||
var mouseY = 0;
|
||||
|
||||
var absoluteMouseX = 0;
|
||||
var absoluteMouseY = 0;
|
||||
|
||||
|
||||
function getMouseState(up, down) {
|
||||
var mouseState = new MouseEvent(mouseX, mouseY,
|
||||
mouseLeftButton, mouseMiddleButton, mouseRightButton, up, down);
|
||||
|
||||
return mouseState;
|
||||
}
|
||||
|
||||
|
||||
// Block context menu so right-click gets sent properly
|
||||
element.oncontextmenu = function(e) {return false;};
|
||||
|
||||
element.onmousemove = function(e) {
|
||||
|
||||
e.stopPropagation();
|
||||
|
||||
absoluteMouseX = e.pageX;
|
||||
absoluteMouseY = e.pageY;
|
||||
|
||||
mouseX = absoluteMouseX - element.offsetLeft;
|
||||
mouseY = absoluteMouseY - element.offsetTop;
|
||||
|
||||
// This is all JUST so we can get the mouse position within the element
|
||||
var parent = element.offsetParent;
|
||||
while (parent) {
|
||||
if (parent.offsetLeft && parent.offsetTop) {
|
||||
mouseX -= parent.offsetLeft;
|
||||
mouseY -= parent.offsetTop;
|
||||
}
|
||||
parent = parent.offsetParent;
|
||||
}
|
||||
|
||||
movementHandler(getMouseState(0, 0));
|
||||
};
|
||||
|
||||
|
||||
element.onmousedown = function(e) {
|
||||
|
||||
e.stopPropagation();
|
||||
|
||||
switch (e.button) {
|
||||
case 0:
|
||||
mouseLeftButton = 1;
|
||||
break;
|
||||
case 1:
|
||||
mouseMiddleButton = 1;
|
||||
break;
|
||||
case 2:
|
||||
mouseRightButton = 1;
|
||||
break;
|
||||
}
|
||||
|
||||
buttonPressedHandler(getMouseState(0, 0));
|
||||
};
|
||||
|
||||
|
||||
element.onmouseup = function(e) {
|
||||
|
||||
e.stopPropagation();
|
||||
|
||||
switch (e.button) {
|
||||
case 0:
|
||||
mouseLeftButton = 0;
|
||||
break;
|
||||
case 1:
|
||||
mouseMiddleButton = 0;
|
||||
break;
|
||||
case 2:
|
||||
mouseRightButton = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
buttonReleasedHandler(getMouseState(0, 0));
|
||||
};
|
||||
|
||||
// Override selection on mouse event element.
|
||||
element.onselectstart = function() {
|
||||
return false;
|
||||
};
|
||||
|
||||
// Scroll wheel support
|
||||
function handleScroll(e) {
|
||||
|
||||
var delta = 0;
|
||||
if (e.detail)
|
||||
delta = e.detail;
|
||||
else if (e.wheelDelta)
|
||||
delta = -event.wheelDelta;
|
||||
|
||||
// Up
|
||||
if (delta < 0) {
|
||||
buttonPressedHandler(getMouseState(1, 0));
|
||||
buttonReleasedHandler(getMouseState(0, 0));
|
||||
}
|
||||
|
||||
// Down
|
||||
if (delta > 0) {
|
||||
buttonPressedHandler(getMouseState(0, 1));
|
||||
buttonReleasedHandler(getMouseState(0, 0));
|
||||
}
|
||||
|
||||
if (e.preventDefault)
|
||||
e.preventDefault();
|
||||
|
||||
e.returnValue = false;
|
||||
}
|
||||
|
||||
element.addEventListener('DOMMouseScroll', handleScroll, false);
|
||||
|
||||
element.onmousewheel = function(e) {
|
||||
handleScroll(e);
|
||||
}
|
||||
|
||||
function MouseEvent(x, y, left, middle, right, up, down) {
|
||||
|
||||
this.getX = function() {
|
||||
return x;
|
||||
};
|
||||
|
||||
this.getY = function() {
|
||||
return y;
|
||||
};
|
||||
|
||||
this.getLeft = function() {
|
||||
return left;
|
||||
};
|
||||
|
||||
this.getMiddle = function() {
|
||||
return middle;
|
||||
};
|
||||
|
||||
this.getRight = function() {
|
||||
return right;
|
||||
};
|
||||
|
||||
this.getUp = function() {
|
||||
return up;
|
||||
};
|
||||
|
||||
this.getDown = function() {
|
||||
return down;
|
||||
};
|
||||
|
||||
this.toString = function() {
|
||||
return (mouseIndex++) + "," + x + "," + y + "," + left + "," + middle + "," + right + "," + up + "," + down;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
|
||||
var buttonPressedHandler = null;
|
||||
var buttonReleasedHandler = null;
|
||||
var movementHandler = null;
|
||||
|
||||
this.setButtonPressedHandler = function(mh) {buttonPressedHandler = mh;};
|
||||
this.setButtonReleasedHandler = function(mh) {buttonReleasedHandler = mh;};
|
||||
this.setMovementHandler = function(mh) {movementHandler = mh;};
|
||||
|
||||
|
||||
this.getX = function() {return mouseX;};
|
||||
this.getY = function() {return mouseY;};
|
||||
this.getLeftButton = function() {return mouseLeftButton;};
|
||||
this.getMiddleButton = function() {return mouseMiddleButton;};
|
||||
this.getRightButton = function() {return mouseRightButton;};
|
||||
|
||||
}
|
||||
487
guacamole/web/javascript/oskeyboard.js
Normal file
487
guacamole/web/javascript/oskeyboard.js
Normal file
@@ -0,0 +1,487 @@
|
||||
|
||||
/*
|
||||
* Guacamole - Pure JavaScript/HTML VNC Client
|
||||
* Copyright (C) 2010 Michael Jumper
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
|
||||
function GuacamoleOnScreenKeyboard(url) {
|
||||
|
||||
var tabIndex = 1;
|
||||
var allKeys = new Array();
|
||||
var modifierState = new function() {};
|
||||
|
||||
function getKeySize(size) {
|
||||
return (5*size) + "ex";
|
||||
}
|
||||
|
||||
function getCapSize(size) {
|
||||
return (5*size - 0.5) + "ex";
|
||||
}
|
||||
|
||||
function clearModifiers() {
|
||||
|
||||
// Send key release events for all pressed modifiers
|
||||
for (var k=0; k<allKeys.length; k++) {
|
||||
|
||||
var key = allKeys[k];
|
||||
var cap = key.getCap();
|
||||
var modifier = cap.getModifier();
|
||||
|
||||
if (modifier && isModifierActive(modifier) && !cap.isSticky() && key.isPressed())
|
||||
key.release();
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function setModifierReleased(modifier) {
|
||||
if (isModifierActive(modifier))
|
||||
modifierState[modifier]--;
|
||||
}
|
||||
|
||||
function setModifierPressed(modifier) {
|
||||
if (modifierState[modifier] == null)
|
||||
modifierState[modifier] = 1;
|
||||
else
|
||||
modifierState[modifier]++;
|
||||
}
|
||||
|
||||
function isModifierActive(modifier) {
|
||||
if (modifierState[modifier] > 0)
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
function toggleModifierPressed(modifier) {
|
||||
if (isModifierActive(modifier))
|
||||
setModifierReleased(modifier);
|
||||
else
|
||||
setModifierPressed(modifier);
|
||||
}
|
||||
|
||||
function refreshAllKeysState() {
|
||||
for (var k=0; k<allKeys.length; k++)
|
||||
allKeys[k].refreshState();
|
||||
}
|
||||
|
||||
function Key(key) {
|
||||
|
||||
function Cap(cap) {
|
||||
|
||||
// Displayed text
|
||||
var displayText = cap.textContent;
|
||||
|
||||
// Keysym
|
||||
var keysym = null;
|
||||
if (cap.attributes["keysym"])
|
||||
keysym = parseInt(cap.attributes["keysym"].value);
|
||||
|
||||
// If keysym not specified, get keysym from display text.
|
||||
else if (displayText.length == 1) {
|
||||
|
||||
var charCode = displayText.charCodeAt(0);
|
||||
|
||||
if (charCode >= 0x0000 && charCode <= 0x00FF)
|
||||
keysym = charCode;
|
||||
|
||||
else if (charCode >= 0x0100 && charCode <= 0x10FFFF)
|
||||
keysym = 0x01000000 | charCode;
|
||||
}
|
||||
|
||||
// Required modifiers for this keycap
|
||||
var reqMod = null;
|
||||
if (cap.attributes["if"])
|
||||
reqMod = cap.attributes["if"].value.split(",");
|
||||
|
||||
|
||||
// Modifier represented by this keycap
|
||||
var modifier = null;
|
||||
if (cap.attributes["modifier"])
|
||||
modifier = cap.attributes["modifier"].value;
|
||||
|
||||
|
||||
// Whether this key is sticky (toggles)
|
||||
// Currently only valid for modifiers.
|
||||
var sticky = false;
|
||||
if (cap.attributes["sticky"] && cap.attributes["sticky"].value == "true")
|
||||
sticky = true;
|
||||
|
||||
this.getDisplayText = function() {
|
||||
return cap.textContent;
|
||||
};
|
||||
|
||||
this.getKeySym = function() {
|
||||
return keysym;
|
||||
};
|
||||
|
||||
this.getRequiredModifiers = function() {
|
||||
return reqMod;
|
||||
};
|
||||
|
||||
this.getModifier = function() {
|
||||
return modifier;
|
||||
};
|
||||
|
||||
this.isSticky = function() {
|
||||
return sticky;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
var size = null;
|
||||
if (key.attributes["size"])
|
||||
size = parseFloat(key.attributes["size"].value);
|
||||
|
||||
var caps = key.getElementsByTagName("cap");
|
||||
var keycaps = new Array();
|
||||
for (var i=0; i<caps.length; i++)
|
||||
keycaps.push(new Cap(caps[i]));
|
||||
|
||||
var rowKey = document.createElement("div");
|
||||
rowKey.className = "key";
|
||||
|
||||
var keyCap = document.createElement("div");
|
||||
keyCap.className = "cap";
|
||||
rowKey.appendChild(keyCap);
|
||||
|
||||
|
||||
var STATE_RELEASED = 0;
|
||||
var STATE_PRESSED = 1;
|
||||
var state = STATE_RELEASED;
|
||||
|
||||
rowKey.isPressed = function() {
|
||||
return state == STATE_PRESSED;
|
||||
}
|
||||
|
||||
var currentCap = null;
|
||||
function refreshState(modifier) {
|
||||
|
||||
// Find current cap
|
||||
currentCap = null;
|
||||
for (var j=0; j<keycaps.length; j++) {
|
||||
|
||||
var keycap = keycaps[j];
|
||||
var required = keycap.getRequiredModifiers();
|
||||
|
||||
var matches = true;
|
||||
|
||||
// If modifiers required, make sure all modifiers are active
|
||||
if (required) {
|
||||
|
||||
for (var k=0; k<required.length; k++) {
|
||||
if (!isModifierActive(required[k])) {
|
||||
matches = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if (matches)
|
||||
currentCap = keycap;
|
||||
|
||||
}
|
||||
|
||||
rowKey.className = "key";
|
||||
|
||||
if (currentCap.getModifier())
|
||||
rowKey.className += " modifier";
|
||||
|
||||
if (currentCap.isSticky())
|
||||
rowKey.className += " sticky";
|
||||
|
||||
if (isModifierActive(currentCap.getModifier()))
|
||||
rowKey.className += " active";
|
||||
|
||||
if (state == STATE_PRESSED)
|
||||
rowKey.className += " pressed";
|
||||
|
||||
keyCap.textContent = currentCap.getDisplayText();
|
||||
}
|
||||
rowKey.refreshState = refreshState;
|
||||
|
||||
rowKey.getCap = function() {
|
||||
return currentCap;
|
||||
};
|
||||
|
||||
refreshState();
|
||||
|
||||
// Set size
|
||||
if (size) {
|
||||
rowKey.style.width = getKeySize(size);
|
||||
keyCap.style.width = getCapSize(size);
|
||||
}
|
||||
|
||||
|
||||
|
||||
// Set pressed, if released
|
||||
function press() {
|
||||
|
||||
if (state == STATE_RELEASED) {
|
||||
|
||||
state = STATE_PRESSED;
|
||||
|
||||
var keysym = currentCap.getKeySym();
|
||||
var modifier = currentCap.getModifier();
|
||||
var sticky = currentCap.isSticky();
|
||||
|
||||
if (keyPressedHandler && keysym)
|
||||
keyPressedHandler(keysym);
|
||||
|
||||
if (modifier) {
|
||||
|
||||
// If sticky modifier, toggle
|
||||
if (sticky)
|
||||
toggleModifierPressed(modifier);
|
||||
|
||||
// Otherwise, just set on.
|
||||
else
|
||||
setModifierPressed(modifier);
|
||||
|
||||
refreshAllKeysState();
|
||||
}
|
||||
else
|
||||
refreshState();
|
||||
}
|
||||
|
||||
}
|
||||
rowKey.press = press;
|
||||
|
||||
|
||||
// Set released, if pressed
|
||||
function release() {
|
||||
|
||||
if (state == STATE_PRESSED) {
|
||||
|
||||
state = STATE_RELEASED;
|
||||
|
||||
var keysym = currentCap.getKeySym();
|
||||
var modifier = currentCap.getModifier();
|
||||
var sticky = currentCap.isSticky();
|
||||
|
||||
if (keyReleasedHandler && keysym)
|
||||
keyReleasedHandler(keysym);
|
||||
|
||||
if (modifier) {
|
||||
|
||||
// If not sticky modifier, release modifier
|
||||
if (!sticky) {
|
||||
setModifierReleased(modifier);
|
||||
refreshAllKeysState();
|
||||
}
|
||||
else
|
||||
refreshState();
|
||||
|
||||
}
|
||||
else {
|
||||
refreshState();
|
||||
|
||||
// If not a modifier, also release all pressed modifiers
|
||||
clearModifiers();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
rowKey.release = release;
|
||||
|
||||
// Toggle press/release states
|
||||
function toggle() {
|
||||
if (state == STATE_PRESSED)
|
||||
release();
|
||||
else
|
||||
press();
|
||||
}
|
||||
|
||||
|
||||
// Send key press on mousedown
|
||||
rowKey.onmousedown = function(e) {
|
||||
|
||||
e.stopPropagation();
|
||||
|
||||
var modifier = currentCap.getModifier();
|
||||
var sticky = currentCap.isSticky();
|
||||
|
||||
// Toggle non-sticky modifiers
|
||||
if (modifier && !sticky)
|
||||
toggle();
|
||||
|
||||
// Press all others
|
||||
else
|
||||
press();
|
||||
|
||||
return false;
|
||||
};
|
||||
|
||||
// Send key release on mouseup/out
|
||||
rowKey.onmouseout =
|
||||
rowKey.onmouseout =
|
||||
rowKey.onmouseup = function(e) {
|
||||
|
||||
e.stopPropagation();
|
||||
|
||||
var modifier = currentCap.getModifier();
|
||||
var sticky = currentCap.isSticky();
|
||||
|
||||
// Release non-modifiers and sticky modifiers
|
||||
if (!modifier || sticky)
|
||||
release();
|
||||
|
||||
return false;
|
||||
};
|
||||
|
||||
rowKey.onselectstart = function() { return false; };
|
||||
|
||||
return rowKey;
|
||||
|
||||
}
|
||||
|
||||
function Gap(gap) {
|
||||
|
||||
var keyboardGap = document.createElement("div");
|
||||
keyboardGap.className = "gap";
|
||||
keyboardGap.textContent = " ";
|
||||
|
||||
var size = null;
|
||||
if (gap.attributes["size"])
|
||||
size = parseFloat(gap.attributes["size"].value);
|
||||
|
||||
if (size) {
|
||||
keyboardGap.style.width = getKeySize(size);
|
||||
keyboardGap.style.height = getKeySize(size);
|
||||
}
|
||||
|
||||
return keyboardGap;
|
||||
|
||||
}
|
||||
|
||||
function Row(row) {
|
||||
|
||||
var keyboardRow = document.createElement("div");
|
||||
keyboardRow.className = "row";
|
||||
|
||||
var children = row.childNodes;
|
||||
for (var j=0; j<children.length; j++) {
|
||||
var child = children[j];
|
||||
|
||||
// <row> can contain <key> or <column>
|
||||
if (child.tagName == "key") {
|
||||
var key = new Key(child);
|
||||
keyboardRow.appendChild(key);
|
||||
allKeys.push(key);
|
||||
}
|
||||
else if (child.tagName == "gap") {
|
||||
var gap = new Gap(child);
|
||||
keyboardRow.appendChild(gap);
|
||||
}
|
||||
else if (child.tagName == "column") {
|
||||
var col = new Column(child);
|
||||
keyboardRow.appendChild(col);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return keyboardRow;
|
||||
|
||||
}
|
||||
|
||||
function Column(col) {
|
||||
|
||||
var keyboardCol = document.createElement("div");
|
||||
keyboardCol.className = "col";
|
||||
|
||||
var align = null;
|
||||
if (col.attributes["align"])
|
||||
align = col.attributes["align"].value;
|
||||
|
||||
var children = col.childNodes;
|
||||
for (var j=0; j<children.length; j++) {
|
||||
var child = children[j];
|
||||
|
||||
// <column> can only contain <row>
|
||||
if (child.tagName == "row") {
|
||||
var row = new Row(child);
|
||||
keyboardCol.appendChild(row);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if (align)
|
||||
keyboardCol.style.textAlign = align;
|
||||
|
||||
return keyboardCol;
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
// Create keyboard
|
||||
var keyboard = document.createElement("div");
|
||||
keyboard.className = "keyboard";
|
||||
|
||||
|
||||
// Retrieve keyboard XML
|
||||
var xmlhttprequest = new XMLHttpRequest();
|
||||
xmlhttprequest.open("GET", url, false);
|
||||
xmlhttprequest.send(null);
|
||||
|
||||
var xml = xmlhttprequest.responseXML;
|
||||
|
||||
if (xml) {
|
||||
|
||||
// Parse document
|
||||
var root = xml.documentElement;
|
||||
if (root) {
|
||||
|
||||
var children = root.childNodes;
|
||||
for (var i=0; i<children.length; i++) {
|
||||
var child = children[i];
|
||||
|
||||
// <keyboard> can contain <row> or <column>
|
||||
if (child.tagName == "row") {
|
||||
keyboard.appendChild(new Row(child));
|
||||
}
|
||||
else if (child.tagName == "column") {
|
||||
keyboard.appendChild(new Column(child));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
var keyPressedHandler = null;
|
||||
var keyReleasedHandler = null;
|
||||
|
||||
keyboard.setKeyPressedHandler = function(kh) { keyPressedHandler = kh; };
|
||||
keyboard.setKeyReleasedHandler = function(kh) { keyReleasedHandler = kh; };
|
||||
|
||||
// Do not allow selection or mouse movement to propagate/register.
|
||||
keyboard.onselectstart =
|
||||
keyboard.onmousemove =
|
||||
keyboard.onmouseup =
|
||||
keyboard.onmousedown =
|
||||
function(e) {
|
||||
e.stopPropagation();
|
||||
return false;
|
||||
};
|
||||
|
||||
return keyboard;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user