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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
//
// VncViewer - the VNC viewer applet. It can also be run from the
// command-line, when it behaves as much as possibly like the windows and unix
// viewers.
//
// Unfortunately, because of the way Java classes are loaded on demand, only
// configuration parameters defined in this file can be set from the command
// line or in applet parameters.
package com.tigervnc.vncviewer;
import java.awt.*;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.*;
import java.awt.Label;
import javax.swing.*;
import java.net.URL;
import com.tigervnc.rdr.*;
import com.tigervnc.rfb.*;
import com.tigervnc.rfb.Exception;
public class VncViewer extends java.applet.Applet implements Runnable
{
public static final String version = "1.1.80";
public static final String about1 = "TigerVNC Viewer for Java "+version;
public static final String about2 = "Copyright (C) 1998-2010 "+
"[many holders]";
public static final String about3 = "Visit www.tigervnc.org "+
"for information on TigerVNC.";
public static void main(String[] argv) {
try {
String os = System.getProperty("os.name");
if (os.startsWith("Windows")) {
String laf = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
UIManager.setLookAndFeel(laf);
} else {
UIManager.put("swing.boldMetal", Boolean.FALSE);
javax.swing.plaf.FontUIResource f = new
javax.swing.plaf.FontUIResource("SansSerif", Font.PLAIN, 11);
java.util.Enumeration keys = UIManager.getDefaults().keys();
while (keys.hasMoreElements()) {
Object key = keys.nextElement();
Object value = UIManager.get (key);
if (value instanceof javax.swing.plaf.FontUIResource)
UIManager.put(key, f);
}
}
UIManager.put("TitledBorder.titleColor",Color.blue);
} catch (java.lang.Exception exc) { }
VncViewer viewer = new VncViewer(argv);
viewer.start();
}
public VncViewer(String[] argv) {
applet = false;
// Override defaults with command-line options
for (int i = 0; i < argv.length; i++) {
if (argv[i].equalsIgnoreCase("-log")) {
if (++i >= argv.length) usage();
System.err.println("Log setting: "+argv[i]);
LogWriter.setLogParams(argv[i]);
continue;
}
if (Configuration.setParam(argv[i]))
continue;
if (argv[i].charAt(0) == '-') {
if (i+1 < argv.length) {
if (Configuration.setParam(argv[i].substring(1), argv[i+1])) {
i++;
continue;
}
}
usage();
}
if (vncServerName.getValue() != null)
usage();
vncServerName.setParam(argv[i]);
}
}
public static void usage() {
String usage = ("\nusage: vncviewer [options/parameters] "+
"[host:displayNum] [options/parameters]\n"+
//" vncviewer [options/parameters] -listen [port] "+
//"[options/parameters]\n"+
"\n"+
"Options:\n"+
" -log <level> configure logging level\n"+
"\n"+
"Parameters can be turned on with -<param> or off with "+
"-<param>=0\n"+
"Parameters which take a value can be specified as "+
"-<param> <value>\n"+
"Other valid forms are <param>=<value> -<param>=<value> "+
"--<param>=<value>\n"+
"Parameter names are case-insensitive. The parameters "+
"are:\n\n"+
Configuration.listParams());
System.err.print(usage);
System.exit(1);
}
public VncViewer() {
applet = true;
firstApplet = true;
}
public static void newViewer(VncViewer oldViewer) {
VncViewer viewer = new VncViewer();
viewer.applet = oldViewer.applet;
viewer.firstApplet = false;
viewer.start();
}
public void init() {
vlog.debug("init called");
setBackground(Color.white);
logo = getImage(getDocumentBase(), "logo150x150.gif");
}
public void start() {
vlog.debug("start called");
nViewers++;
if (firstApplet) {
alwaysShowServerDialog.setParam(true);
Configuration.readAppletParams(this);
String host = getCodeBase().getHost();
if (vncServerName.getValue() == null && vncServerPort.getValue() != 0) {
int port = vncServerPort.getValue();
vncServerName.setParam(host + ((port >= 5900 && port <= 5999)
? (":"+(port-5900))
: ("::"+port)));
}
}
thread = new Thread(this);
thread.start();
}
public void run() {
CConn cc = null;
try {
cc = new CConn(this, null, vncServerName.getValue(), false);
while (true)
cc.processMsg();
} catch (EndOfStream e) {
vlog.info(e.toString());
} catch (java.lang.Exception e) {
if (cc != null) cc.deleteWindow();
if (cc == null || !cc.shuttingDown) {
e.printStackTrace();
JOptionPane.showMessageDialog(null,
e.toString(),
"VNC Viewer : Error",
JOptionPane.ERROR_MESSAGE);
}
}
if (cc != null) cc.deleteWindow();
nViewers--;
if (!applet && nViewers == 0) {
System.exit(0);
}
}
BoolParameter fastCopyRect
= new BoolParameter("FastCopyRect",
"Use fast CopyRect - turn this off if you get "+
"screen corruption when copying from off-screen",
true);
BoolParameter useLocalCursor
= new BoolParameter("UseLocalCursor",
"Render the mouse cursor locally", true);
BoolParameter sendLocalUsername
= new BoolParameter("SendLocalUsername",
"Send the local username for SecurityTypes "+
"such as Plain rather than prompting", true);
BoolParameter autoSelect
= new BoolParameter("AutoSelect",
"Auto select pixel format and encoding", true);
BoolParameter fullColour
= new BoolParameter("FullColour",
"Use full colour - otherwise 6-bit colour is used "+
"until AutoSelect decides the link is fast enough",
true);
AliasParameter fullColor
= new AliasParameter("FullColor", "Alias for FullColour", fullColour);
StringParameter preferredEncoding
= new StringParameter("PreferredEncoding",
"Preferred encoding to use (Tight, ZRLE, hextile or"+
" raw) - implies AutoSelect=0", "Tight");
BoolParameter viewOnly
= new BoolParameter("ViewOnly", "Don't send any mouse or keyboard "+
"events to the server", false);
BoolParameter shared
= new BoolParameter("Shared", "Don't disconnect other viewers upon "+
"connection - share the desktop instead", false);
BoolParameter fullScreen
= new BoolParameter("FullScreen", "Full Screen Mode", false);
BoolParameter acceptClipboard
= new BoolParameter("AcceptClipboard",
"Accept clipboard changes from the server", true);
BoolParameter sendClipboard
= new BoolParameter("SendClipboard",
"Send clipboard changes to the server", true);
StringParameter desktopSize
= new StringParameter("DesktopSize",
"Reconfigure desktop size on the server on "+
"connect (if possible)", "");
BoolParameter alwaysShowServerDialog
= new BoolParameter("AlwaysShowServerDialog",
"Always show the server dialog even if a server "+
"has been specified in an applet parameter or on "+
"the command line", false);
StringParameter vncServerName
= new StringParameter("Server",
"The VNC server <host>[:<dpyNum>] or "+
"<host>::<port>", null);
IntParameter vncServerPort
= new IntParameter("Port",
"The VNC server's port number, assuming it is on "+
"the host from which the applet was downloaded", 0);
BoolParameter customCompressLevel
= new BoolParameter("CustomCompressLevel",
"Use custom compression level. "+
"Default if CompressLevel is specified.", false);
IntParameter compressLevel
= new IntParameter("CompressLevel",
"Use specified compression level "+
"0 = Low, 6 = High",
1);
BoolParameter noJpeg
= new BoolParameter("NoJPEG",
"Disable lossy JPEG compression in Tight encoding.", false);
IntParameter qualityLevel
= new IntParameter("QualityLevel",
"JPEG quality level. "+
"0 = Low, 9 = High",
8);
Thread thread;
boolean applet, firstApplet;
Image logo;
static int nViewers;
static LogWriter vlog = new LogWriter("main");
}
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