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1 import java.awt.*;
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2 import java.awt.event.*;
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3 import java.io.*;
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4 import java.net.*;
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5
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6 public class VncProxyService implements java.lang.Runnable {
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7
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8 public static void main(String[] argv) {
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9 VncProxyService v = new VncProxyService();
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10 v.mainArgs = argv;
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11
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12 v.init();
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13 // v.start();
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14 }
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15
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15
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13
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16 String[] mainArgs;
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17
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18 // RfbProto rfb;
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19 MyRfbProto rfb;
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20 Thread rfbThread;
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21
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22 Frame vncFrame;
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23 Container vncContainer;
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24 ScrollPane desktopScrollPane;
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25 GridBagLayout gridbag;
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26 ButtonPanel buttonPanel;
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27 Label connStatusLabel;
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28 ProxyVncCanvas vc;
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29 OptionsFrame options;
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30 ClipboardFrame clipboard;
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31 RecordingFrame rec;
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32
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33 // Control session recording.
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34 Object recordingSync;
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35 String sessionFileName;
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36 boolean recordingActive;
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37 boolean recordingStatusChanged;
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38 String cursorUpdatesDef;
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39 String eightBitColorsDef;
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40
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41 // Variables read from parameter values.
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42 String socketFactory;
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43 String host;
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44 int port;
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45 String passwordParam;
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46 boolean showControls;
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47 boolean offerRelogin;
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48 boolean showOfflineDesktop;
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49 int deferScreenUpdates;
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50 int deferCursorUpdates;
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51 int deferUpdateRequests;
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52 int debugStatsExcludeUpdates;
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53 int debugStatsMeasureUpdates;
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54
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55 //
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56 // init()
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57 //
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58
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59 public void init() {
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60
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61 readParameters();
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62
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63 recordingSync = new Object();
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64
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65 sessionFileName = null;
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66 recordingActive = false;
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67 recordingStatusChanged = false;
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68 cursorUpdatesDef = null;
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69 eightBitColorsDef = null;
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70
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71 rfbThread = new Thread(this);
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72 rfbThread.start();
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20
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73
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21
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74
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20
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75
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13
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76 }
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77
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78 //
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79 // run() - executed by the rfbThread to deal with the RFB socket.
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80 //
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81
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82 public void run() {
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83
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84 try {
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85 connectAndAuthenticate();
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86 doProtocolInitialisation();
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87
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88 vc = new ProxyVncCanvas(this, 0, 0);
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89
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90 processNormalProtocol();// main loop
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91
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92 } catch (NoRouteToHostException e) {
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93 fatalError("Network error: no route to server: " + host, e);
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94 } catch (UnknownHostException e) {
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95 fatalError("Network error: server name unknown: " + host, e);
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96 } catch (ConnectException e) {
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97 fatalError("Network error: could not connect to server: " + host
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98 + ":" + port, e);
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99 } catch (EOFException e) {
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100 if (showOfflineDesktop) {
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101 e.printStackTrace();
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102 System.out
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103 .println("Network error: remote side closed connection");
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104 if (vc != null) {
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105 vc.enableInput(false);
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106 }
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107 if (rfb != null && !rfb.closed())
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108 rfb.close();
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109 if (showControls && buttonPanel != null) {
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110 buttonPanel.disableButtonsOnDisconnect();
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111 }
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112 } else {
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113 fatalError("Network error: remote side closed connection", e);
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114 }
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115 } catch (IOException e) {
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116 String str = e.getMessage();
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117 if (str != null && str.length() != 0) {
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118 fatalError("Network Error: " + str, e);
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119 } else {
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120 fatalError(e.toString(), e);
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121 }
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122 } catch (Exception e) {
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123 String str = e.getMessage();
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124 if (str != null && str.length() != 0) {
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125 fatalError("Error: " + str, e);
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126 } else {
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127 fatalError(e.toString(), e);
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128 }
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129 }
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130
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131 }
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132
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133 //
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134 // Process RFB socket messages.
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135 // If the rfbThread is being stopped, ignore any exceptions,
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136 // otherwise rethrow the exception so it can be handled.
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137 //
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138
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139 void processNormalProtocol() throws Exception {
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140 try {
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141 vc.processNormalProtocol();// main loop
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142 } catch (Exception e) {
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143 if (rfbThread == null) {
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144 System.out.println("Ignoring RFB socket exceptions"
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145 + " because applet is stopping");
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146 } else {
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147 throw e;
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148 }
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149 }
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150 }
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151
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152 //
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153 // Connect to the RFB server and authenticate the user.
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154 //
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155
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156 void connectAndAuthenticate() throws Exception {
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157 showConnectionStatus("Initializing...");
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158
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159 showConnectionStatus("Connecting to " + host + ", port " + port + "...");
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160
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161 // rfb = new RfbProto(host, port, this);
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162 rfb = new MyRfbProto(host, port);
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163 showConnectionStatus("Connected to server");
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164
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165 rfb.readVersionMsg();
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166 showConnectionStatus("RFB server supports protocol version "
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167 + rfb.serverMajor + "." + rfb.serverMinor);
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168
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169 rfb.writeVersionMsg();
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170 showConnectionStatus("Using RFB protocol version " + rfb.clientMajor
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171 + "." + rfb.clientMinor);
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172
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173 int secType = rfb.negotiateSecurity();
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174 int authType;
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175 if (secType == RfbProto.SecTypeTight) {
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176 showConnectionStatus("Enabling TightVNC protocol extensions");
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177 rfb.setupTunneling();
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178 authType = rfb.negotiateAuthenticationTight();
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179 } else {
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180 authType = secType;
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181 }
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182
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183 switch (authType) {
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184 case RfbProto.AuthNone:
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185 showConnectionStatus("No authentication needed");
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186 rfb.authenticateNone();
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187 break;
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188 case RfbProto.AuthVNC:
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189 showConnectionStatus("Performing standard VNC authentication");
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190 if (passwordParam != null) {
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191 rfb.authenticateVNC(passwordParam);
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192 } else {
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193 String pw = askPassword();
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194 rfb.authenticateVNC(pw);
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195 }
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196 break;
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197 default:
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198 throw new Exception("Unknown authentication scheme " + authType);
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199 }
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200 }
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201
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202 //
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203 // Show a message describing the connection status.
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204 // To hide the connection status label, use (msg == null).
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205 //
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206
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207 void showConnectionStatus(String msg) {
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208 System.out.println(msg);
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209 }
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210
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211 //
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212 // Show an authentication panel.
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213 //
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214
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215 String askPassword() throws Exception {
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216 showConnectionStatus(null);
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217 /*
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218 * AuthPanel authPanel = new AuthPanel(this);
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219 *
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220 * GridBagConstraints gbc = new GridBagConstraints(); gbc.gridwidth =
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221 * GridBagConstraints.REMAINDER; gbc.anchor =
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222 * GridBagConstraints.NORTHWEST; gbc.weightx = 1.0; gbc.weighty = 1.0;
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223 * gbc.ipadx = 100; gbc.ipady = 50; gridbag.setConstraints(authPanel,
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224 * gbc); vncContainer.add(authPanel);
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225
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226
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227 authPanel.moveFocusToDefaultField();
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228 vncContainer.remove(authPanel);
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229 */
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230 String pw = mainArgs[2];
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231 return pw;
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232 }
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233
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234 //
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235 // Do the rest of the protocol initialisation.
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236 //
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237
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238 void doProtocolInitialisation() throws IOException {
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239 rfb.writeClientInit();
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240 rfb.readServerInit();
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241
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242
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243 System.out.println("Desktop name is " + rfb.desktopName);
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244 System.out.println("Desktop size is " + rfb.framebufferWidth + " x "
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245 + rfb.framebufferHeight);
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246
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247 setEncodings();
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248
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249 showConnectionStatus(null);
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250 }
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251
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252 //
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253 // Send current encoding list to the RFB server.
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254 //
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255
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256 int[] encodingsSaved;
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257 int nEncodingsSaved;
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258
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259 void setEncodings() {
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260 setEncodings(false);
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261 }
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262
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263 void autoSelectEncodings() {
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264 setEncodings(true);
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265 }
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266
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267 void setEncodings(boolean autoSelectOnly) {
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268 if (options == null || rfb == null || !rfb.inNormalProtocol)
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269 return;
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270
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271 int preferredEncoding = options.preferredEncoding;
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272 if (preferredEncoding == -1) {
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273 long kbitsPerSecond = rfb.kbitsPerSecond();
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274 if (nEncodingsSaved < 1) {
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275 // Choose Tight or ZRLE encoding for the very first update.
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276 System.out.println("Using Tight/ZRLE encodings");
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277 preferredEncoding = RfbProto.EncodingTight;
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278 } else if (kbitsPerSecond > 2000
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279 && encodingsSaved[0] != RfbProto.EncodingHextile) {
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280 // Switch to Hextile if the connection speed is above 2Mbps.
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281 System.out.println("Throughput " + kbitsPerSecond
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282 + " kbit/s - changing to Hextile encoding");
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283 preferredEncoding = RfbProto.EncodingHextile;
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284 } else if (kbitsPerSecond < 1000
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285 && encodingsSaved[0] != RfbProto.EncodingTight) {
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286 // Switch to Tight/ZRLE if the connection speed is below 1Mbps.
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287 System.out.println("Throughput " + kbitsPerSecond
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288 + " kbit/s - changing to Tight/ZRLE encodings");
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289 preferredEncoding = RfbProto.EncodingTight;
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290 } else {
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291 // Don't change the encoder.
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292 if (autoSelectOnly)
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293 return;
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294 preferredEncoding = encodingsSaved[0];
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295 }
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296 } else {
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297 // Auto encoder selection is not enabled.
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298 if (autoSelectOnly)
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299 return;
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300 }
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301
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302 int[] encodings = new int[20];
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303 int nEncodings = 0;
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304
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305 encodings[nEncodings++] = preferredEncoding;
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306 if (options.useCopyRect) {
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307 encodings[nEncodings++] = RfbProto.EncodingCopyRect;
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308 }
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309
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310 if (preferredEncoding != RfbProto.EncodingTight) {
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311 encodings[nEncodings++] = RfbProto.EncodingTight;
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312 }
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313 if (preferredEncoding != RfbProto.EncodingZRLE) {
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314 encodings[nEncodings++] = RfbProto.EncodingZRLE;
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315 }
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316 if (preferredEncoding != RfbProto.EncodingHextile) {
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317 encodings[nEncodings++] = RfbProto.EncodingHextile;
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318 }
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319 if (preferredEncoding != RfbProto.EncodingZlib) {
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320 encodings[nEncodings++] = RfbProto.EncodingZlib;
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321 }
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322 if (preferredEncoding != RfbProto.EncodingCoRRE) {
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323 encodings[nEncodings++] = RfbProto.EncodingCoRRE;
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324 }
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325 if (preferredEncoding != RfbProto.EncodingRRE) {
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326 encodings[nEncodings++] = RfbProto.EncodingRRE;
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327 }
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328
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329 if (options.compressLevel >= 0 && options.compressLevel <= 9) {
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330 encodings[nEncodings++] = RfbProto.EncodingCompressLevel0
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331 + options.compressLevel;
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332 }
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333 if (options.jpegQuality >= 0 && options.jpegQuality <= 9) {
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334 encodings[nEncodings++] = RfbProto.EncodingQualityLevel0
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335 + options.jpegQuality;
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336 }
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337
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338 if (options.requestCursorUpdates) {
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339 encodings[nEncodings++] = RfbProto.EncodingXCursor;
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340 encodings[nEncodings++] = RfbProto.EncodingRichCursor;
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341 if (!options.ignoreCursorUpdates)
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342 encodings[nEncodings++] = RfbProto.EncodingPointerPos;
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343 }
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344
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345 encodings[nEncodings++] = RfbProto.EncodingLastRect;
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346 encodings[nEncodings++] = RfbProto.EncodingNewFBSize;
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347
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348 boolean encodingsWereChanged = false;
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349 if (nEncodings != nEncodingsSaved) {
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350 encodingsWereChanged = true;
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351 } else {
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352 for (int i = 0; i < nEncodings; i++) {
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353 if (encodings[i] != encodingsSaved[i]) {
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354 encodingsWereChanged = true;
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355 break;
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356 }
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357 }
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358 }
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359
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360 if (encodingsWereChanged) {
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361 try {
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362 rfb.writeSetEncodings(encodings, nEncodings);
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363 if (vc != null) {
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364 vc.softCursorFree();
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365 }
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366 } catch (Exception e) {
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367 e.printStackTrace();
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368 }
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369 encodingsSaved = encodings;
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370 nEncodingsSaved = nEncodings;
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371 }
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372 }
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373
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374 //
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375 // setCutText() - send the given cut text to the RFB server.
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376 //
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377
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378 void setCutText(String text) {
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379 try {
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380 if (rfb != null && rfb.inNormalProtocol) {
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381 rfb.writeClientCutText(text);
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382 }
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383 } catch (Exception e) {
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384 e.printStackTrace();
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385 }
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386 }
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387
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388 //
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389 // Order change in session recording status. To stop recording, pass
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390 // null in place of the fname argument.
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391 //
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392
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393 void setRecordingStatus(String fname) {
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394 synchronized (recordingSync) {
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395 sessionFileName = fname;
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396 recordingStatusChanged = true;
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397 }
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398 }
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399
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400 //
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401 // Start or stop session recording. Returns true if this method call
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402 // causes recording of a new session.
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403 //
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404
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405 boolean checkRecordingStatus() throws IOException {
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406 synchronized (recordingSync) {
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407 if (recordingStatusChanged) {
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408 recordingStatusChanged = false;
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409 if (sessionFileName != null) {
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410 startRecording();
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411 return true;
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412 } else {
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413 stopRecording();
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414 }
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415 }
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416 }
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417 return false;
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418 }
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419
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420 //
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421 // Start session recording.
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422 //
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423
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424 protected void startRecording() throws IOException {
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425 synchronized (recordingSync) {
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426 if (!recordingActive) {
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427 // Save settings to restore them after recording the session.
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428 cursorUpdatesDef = options.choices[options.cursorUpdatesIndex]
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429 .getSelectedItem();
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430 eightBitColorsDef = options.choices[options.eightBitColorsIndex]
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431 .getSelectedItem();
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432 // Set options to values suitable for recording.
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433 options.choices[options.cursorUpdatesIndex].select("Disable");
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434 options.choices[options.cursorUpdatesIndex].setEnabled(false);
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435 options.setEncodings();
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436 options.choices[options.eightBitColorsIndex].select("No");
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437 options.choices[options.eightBitColorsIndex].setEnabled(false);
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438 options.setColorFormat();
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439 } else {
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440 rfb.closeSession();
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441 }
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442
|
|
|
443 System.out.println("Recording the session in " + sessionFileName);
|
|
|
444 rfb.startSession(sessionFileName);
|
|
|
445 recordingActive = true;
|
|
|
446 }
|
|
|
447 }
|
|
|
448
|
|
|
449 //
|
|
|
450 // Stop session recording.
|
|
|
451 //
|
|
|
452
|
|
|
453 protected void stopRecording() throws IOException {
|
|
|
454 synchronized (recordingSync) {
|
|
|
455 if (recordingActive) {
|
|
|
456 // Restore options.
|
|
|
457 options.choices[options.cursorUpdatesIndex]
|
|
|
458 .select(cursorUpdatesDef);
|
|
|
459 options.choices[options.cursorUpdatesIndex].setEnabled(true);
|
|
|
460 options.setEncodings();
|
|
|
461 options.choices[options.eightBitColorsIndex]
|
|
|
462 .select(eightBitColorsDef);
|
|
|
463 options.choices[options.eightBitColorsIndex].setEnabled(true);
|
|
|
464 options.setColorFormat();
|
|
|
465
|
|
|
466 rfb.closeSession();
|
|
|
467 System.out.println("Session recording stopped.");
|
|
|
468 }
|
|
|
469 sessionFileName = null;
|
|
|
470 recordingActive = false;
|
|
|
471 }
|
|
|
472 }
|
|
|
473
|
|
|
474 //
|
|
|
475 // readParameters() - read parameters from the html source or from the
|
|
|
476 // command line. On the command line, the arguments are just a sequence of
|
|
|
477 // param_name/param_value pairs where the names and values correspond to
|
|
|
478 // those expected in the html applet tag source.
|
|
|
479 //
|
|
|
480
|
|
|
481 void readParameters() {
|
|
|
482
|
|
|
483 if (mainArgs.length > 0)
|
|
|
484 host = mainArgs[0];
|
|
|
485 else
|
|
|
486 host = "hades.cr.ie.u-ryukyu.ac.jp";
|
|
|
487
|
|
|
488 if (mainArgs.length > 1)
|
|
|
489 port = Integer.parseInt(mainArgs[1]);
|
|
|
490 else
|
|
|
491 port = 5900;
|
|
|
492
|
|
|
493 // Read "ENCPASSWORD" or "PASSWORD" parameter if specified.
|
|
|
494 // readPasswordParameters();
|
|
|
495
|
|
|
496 String str;
|
|
|
497
|
|
|
498 // "Show Controls" set to "No" disables button panel.
|
|
|
499 showControls = true;
|
|
|
500 str = readParameter("Show Controls", false);
|
|
|
501 if (str != null && str.equalsIgnoreCase("No"))
|
|
|
502 showControls = false;
|
|
|
503
|
|
|
504 // "Offer Relogin" set to "No" disables "Login again" and "Close
|
|
|
505 // window" buttons under error messages in applet mode.
|
|
|
506 offerRelogin = true;
|
|
|
507 str = readParameter("Offer Relogin", false);
|
|
|
508 if (str != null && str.equalsIgnoreCase("No"))
|
|
|
509 offerRelogin = false;
|
|
|
510
|
|
|
511 // Do we continue showing desktop on remote disconnect?
|
|
|
512 showOfflineDesktop = false;
|
|
|
513 str = readParameter("Show Offline Desktop", false);
|
|
|
514 if (str != null && str.equalsIgnoreCase("Yes"))
|
|
|
515 showOfflineDesktop = true;
|
|
|
516
|
|
|
517 // Fine tuning options.
|
|
|
518 deferScreenUpdates = readIntParameter("Defer screen updates", 20);
|
|
|
519 deferCursorUpdates = readIntParameter("Defer cursor updates", 10);
|
|
|
520 deferUpdateRequests = readIntParameter("Defer update requests", 0);
|
|
|
521
|
|
|
522 // Debugging options.
|
|
|
523 debugStatsExcludeUpdates = readIntParameter("DEBUG_XU", 0);
|
|
|
524 debugStatsMeasureUpdates = readIntParameter("DEBUG_CU", 0);
|
|
|
525
|
|
|
526 // SocketFactory.
|
|
|
527 socketFactory = readParameter("SocketFactory", false);
|
|
|
528 }
|
|
|
529
|
|
|
530 //
|
|
|
531 // Read password parameters. If an "ENCPASSWORD" parameter is set,
|
|
|
532 // then decrypt the password into the passwordParam string. Otherwise,
|
|
|
533 // try to read the "PASSWORD" parameter directly to passwordParam.
|
|
|
534 //
|
|
|
535
|
|
|
536 private void readPasswordParameters() {
|
|
|
537 // String encPasswordParam = readParameter("ENCPASSWORD", false);
|
|
|
538 String encPasswordParam = mainArgs[2];
|
|
|
539
|
|
|
540 if (encPasswordParam == null) {
|
|
|
541 // passwordParam = readParameter("PASSWORD", false);
|
|
|
542
|
|
|
543 } else {
|
|
|
544 // ENCPASSWORD is hexascii-encoded. Decode.
|
|
|
545 byte[] pw = { 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
546 int len = encPasswordParam.length() / 2;
|
|
|
547 if (len > 8)
|
|
|
548 len = 8;
|
|
|
549 for (int i = 0; i < len; i++) {
|
|
|
550 String hex = encPasswordParam.substring(i * 2, i * 2 + 2);
|
|
|
551 Integer x = new Integer(Integer.parseInt(hex, 16));
|
|
|
552 pw[i] = x.byteValue();
|
|
|
553 }
|
|
|
554 // Decrypt the password.
|
|
|
555 byte[] key = { 23, 82, 107, 6, 35, 78, 88, 7 };
|
|
|
556 DesCipher des = new DesCipher(key);
|
|
|
557 des.decrypt(pw, 0, pw, 0);
|
|
|
558 passwordParam = new String(pw);
|
|
|
559
|
|
|
560 }
|
|
|
561 }
|
|
|
562
|
|
|
563 public String readParameter(String name, boolean required) {
|
|
|
564 for (int i = 0; i < mainArgs.length; i += 2) {
|
|
|
565 if (mainArgs[i].equalsIgnoreCase(name)) {
|
|
|
566 try {
|
|
|
567 return mainArgs[i + 1];
|
|
|
568 } catch (Exception e) {
|
|
|
569 if (required) {
|
|
|
570 fatalError(name + " parameter not specified");
|
|
|
571 }
|
|
|
572 return null;
|
|
|
573 }
|
|
|
574 }
|
|
|
575 }
|
|
|
576 if (required) {
|
|
|
577 fatalError(name + " parameter not specified");
|
|
|
578 }
|
|
|
579 return null;
|
|
|
580 }
|
|
|
581
|
|
|
582 int readIntParameter(String name, int defaultValue) {
|
|
|
583 String str = readParameter(name, false);
|
|
|
584 int result = defaultValue;
|
|
|
585 if (str != null) {
|
|
|
586 try {
|
|
|
587 result = Integer.parseInt(str);
|
|
|
588 } catch (NumberFormatException e) {
|
|
|
589 }
|
|
|
590 }
|
|
|
591 return result;
|
|
|
592 }
|
|
|
593
|
|
|
594 //
|
|
|
595 // disconnect() - close connection to server.
|
|
|
596 //
|
|
|
597
|
|
|
598 synchronized public void disconnect() {
|
|
|
599 System.out.println("Disconnecting");
|
|
|
600
|
|
|
601 if (vc != null) {
|
|
|
602 double sec = (System.currentTimeMillis() - vc.statStartTime) / 1000.0;
|
|
|
603 double rate = Math.round(vc.statNumUpdates / sec * 100) / 100.0;
|
|
|
604 int nRealRects = vc.statNumPixelRects;
|
|
|
605 int nPseudoRects = vc.statNumTotalRects - vc.statNumPixelRects;
|
|
|
606 System.out.println("Updates received: " + vc.statNumUpdates + " ("
|
|
|
607 + nRealRects + " rectangles + " + nPseudoRects
|
|
|
608 + " pseudo), " + rate + " updates/sec");
|
|
|
609 int numRectsOther = nRealRects - vc.statNumRectsTight
|
|
|
610 - vc.statNumRectsZRLE - vc.statNumRectsHextile
|
|
|
611 - vc.statNumRectsRaw - vc.statNumRectsCopy;
|
|
|
612 System.out.println("Rectangles:" + " Tight=" + vc.statNumRectsTight
|
|
|
613 + "(JPEG=" + vc.statNumRectsTightJPEG + ") ZRLE="
|
|
|
614 + vc.statNumRectsZRLE + " Hextile="
|
|
|
615 + vc.statNumRectsHextile + " Raw=" + vc.statNumRectsRaw
|
|
|
616 + " CopyRect=" + vc.statNumRectsCopy + " other="
|
|
|
617 + numRectsOther);
|
|
|
618
|
|
|
619 int raw = vc.statNumBytesDecoded;
|
|
|
620 int compressed = vc.statNumBytesEncoded;
|
|
|
621 if (compressed > 0) {
|
|
|
622 double ratio = Math.round((double) raw / compressed * 1000) / 1000.0;
|
|
|
623 System.out.println("Pixel data: " + vc.statNumBytesDecoded
|
|
|
624 + " bytes, " + vc.statNumBytesEncoded
|
|
|
625 + " compressed, ratio " + ratio);
|
|
|
626 }
|
|
|
627 }
|
|
|
628
|
|
|
629 if (rfb != null && !rfb.closed())
|
|
|
630 rfb.close();
|
|
|
631 options.dispose();
|
|
|
632 clipboard.dispose();
|
|
|
633 if (rec != null)
|
|
|
634 rec.dispose();
|
|
|
635
|
|
|
636 System.exit(0);
|
|
|
637
|
|
|
638 }
|
|
|
639
|
|
|
640 //
|
|
|
641 // fatalError() - print out a fatal error message.
|
|
|
642 // FIXME: Do we really need two versions of the fatalError() method?
|
|
|
643 //
|
|
|
644
|
|
|
645 synchronized public void fatalError(String str) {
|
|
|
646 System.out.println(str);
|
|
|
647 System.exit(1);
|
|
|
648 }
|
|
|
649
|
|
|
650 synchronized public void fatalError(String str, Exception e) {
|
|
|
651
|
|
|
652 if (rfb != null && rfb.closed()) {
|
|
|
653 // Not necessary to show error message if the error was caused
|
|
|
654 // by I/O problems after the rfb.close() method call.
|
|
|
655 System.out.println("RFB thread finished");
|
|
|
656 return;
|
|
|
657 }
|
|
|
658
|
|
|
659 System.out.println(str);
|
|
|
660 e.printStackTrace();
|
|
|
661
|
|
|
662 if (rfb != null)
|
|
|
663 rfb.close();
|
|
|
664
|
|
|
665 System.exit(1);
|
|
|
666
|
|
|
667 }
|
|
|
668
|
|
|
669 //
|
|
|
670 // Show message text and optionally "Relogin" and "Close" buttons.
|
|
|
671 //
|
|
|
672
|
|
|
673 void showMessage(String msg) {
|
|
|
674 vncContainer.removeAll();
|
|
|
675
|
|
|
676 Label errLabel = new Label(msg, Label.CENTER);
|
|
|
677 errLabel.setFont(new Font("Helvetica", Font.PLAIN, 12));
|
|
|
678
|
|
|
679 if (offerRelogin) {
|
|
|
680 /*
|
|
|
681 * Panel gridPanel = new Panel(new GridLayout(0, 1)); Panel
|
|
|
682 * outerPanel = new Panel(new FlowLayout(FlowLayout.LEFT));
|
|
|
683 * outerPanel.add(gridPanel); vncContainer.setLayout(new
|
|
|
684 * FlowLayout(FlowLayout.LEFT, 30, 16));
|
|
|
685 * vncContainer.add(outerPanel); Panel textPanel = new Panel(new
|
|
|
686 * FlowLayout(FlowLayout.CENTER)); textPanel.add(errLabel);
|
|
|
687 * gridPanel.add(textPanel); gridPanel.add(new ReloginPanel(this));
|
|
|
688 */
|
|
|
689 } else {
|
|
|
690 /*
|
|
|
691 * vncContainer.setLayout(new FlowLayout(FlowLayout.LEFT, 30, 30));
|
|
|
692 * vncContainer.add(errLabel);
|
|
|
693 */
|
|
|
694 }
|
|
|
695
|
|
|
696 }
|
|
|
697
|
|
|
698 //
|
|
|
699 // Stop the applet.
|
|
|
700 // Main applet thread will terminate on first exception
|
|
|
701 // after seeing that rfbThread has been set to null.
|
|
|
702 //
|
|
|
703
|
|
|
704 public void stop() {
|
|
|
705 System.out.println("Stopping applet");
|
|
|
706 rfbThread = null;
|
|
|
707 }
|
|
|
708
|
|
|
709 //
|
|
|
710 // This method is called before the applet is destroyed.
|
|
|
711 //
|
|
|
712
|
|
|
713 public void destroy() {
|
|
|
714 System.out.println("Destroying applet");
|
|
|
715
|
|
|
716 vncContainer.removeAll();
|
|
|
717 options.dispose();
|
|
|
718 clipboard.dispose();
|
|
|
719 if (rec != null)
|
|
|
720 rec.dispose();
|
|
|
721 if (rfb != null && !rfb.closed())
|
|
|
722 rfb.close();
|
|
|
723 }
|
|
|
724
|
|
|
725 //
|
|
|
726 // Start/stop receiving mouse events.
|
|
|
727 //
|
|
|
728
|
|
|
729 public void enableInput(boolean enable) {
|
|
|
730 vc.enableInput(enable);
|
|
|
731 }
|
|
|
732
|
|
|
733 //
|
|
|
734 // Close application properly on window close event.
|
|
|
735 //
|
|
|
736
|
|
|
737 public void windowClosing(WindowEvent evt) {
|
|
|
738 System.out.println("Closing window");
|
|
|
739 if (rfb != null)
|
|
|
740 disconnect();
|
|
|
741
|
|
|
742 vncContainer.hide();
|
|
|
743
|
|
|
744 }
|
|
|
745
|
|
|
746 //
|
|
|
747 // Ignore window events we're not interested in.
|
|
|
748 //
|
|
|
749
|
|
|
750 public void windowActivated(WindowEvent evt) {
|
|
|
751 }
|
|
|
752
|
|
|
753 public void windowDeactivated(WindowEvent evt) {
|
|
|
754 }
|
|
|
755
|
|
|
756 public void windowOpened(WindowEvent evt) {
|
|
|
757 }
|
|
|
758
|
|
|
759 public void windowClosed(WindowEvent evt) {
|
|
|
760 }
|
|
|
761
|
|
|
762 public void windowIconified(WindowEvent evt) {
|
|
|
763 }
|
|
|
764
|
|
|
765 public void windowDeiconified(WindowEvent evt) {
|
|
|
766 }
|
|
|
767 }
|
