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67
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1 package myVncProxy;
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2
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3 import java.awt.*;
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4 import java.awt.event.*;
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5
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6 class OptionsNoFrame{
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7
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8 static String[] names = {
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9 "Encoding",
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10 "Compression level",
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11 "JPEG image quality",
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12 "Cursor shape updates",
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13 "Use CopyRect",
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14 "Restricted colors",
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15 "Mouse buttons 2 and 3",
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16 "View only",
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17 "Scale remote cursor",
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18 "Share desktop",
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19 };
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20
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21 static String[][] values = {
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22 { "Auto", "Raw", "RRE", "CoRRE", "Hextile", "Zlib", "Tight", "ZRLE" },
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23 { "Default", "1", "2", "3", "4", "5", "6", "7", "8", "9" },
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24 { "JPEG off", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" },
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25 { "Enable", "Ignore", "Disable" },
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26 { "Yes", "No" },
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27 { "Yes", "No" },
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28 { "Normal", "Reversed" },
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29 { "Yes", "No" },
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30 { "No", "50%", "75%", "125%", "150%" },
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31 { "Yes", "No" },
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32 };
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33
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34 final int
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35 encodingIndex = 0,
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36 compressLevelIndex = 1,
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37 jpegQualityIndex = 2,
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38 cursorUpdatesIndex = 3,
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39 useCopyRectIndex = 4,
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40 eightBitColorsIndex = 5,
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41 mouseButtonIndex = 6,
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42 viewOnlyIndex = 7,
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43 scaleCursorIndex = 8,
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44 shareDesktopIndex = 9;
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45
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46 Label[] labels = new Label[names.length];
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47 Choice[] choices = new Choice[names.length];
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48 Button closeButton;
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49 VncProxyService viewer;
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50
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51
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52 //
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53 // The actual data which other classes look at:
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54 //
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55
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56 int preferredEncoding;
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57 int compressLevel;
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58 int jpegQuality;
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59 boolean useCopyRect;
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60 boolean requestCursorUpdates;
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61 boolean ignoreCursorUpdates;
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62
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63 boolean eightBitColors;
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64
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65 boolean reverseMouseButtons2And3;
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66 boolean shareDesktop;
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67 boolean viewOnly;
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68 int scaleCursor;
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69
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70 boolean autoScale;
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71 int scalingFactor;
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72
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73 //
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74 // Constructor. Set up the labels and choices from the names and values
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75 // arrays.
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76 //
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124
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77
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67
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78 OptionsNoFrame(VncProxyService v) {
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124
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79 viewer = v;
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80 }
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81
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82 OptionsNoFrame(VncProxyService v, VncCanvas vc) {
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67
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83
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84 for (int i = 0; i < names.length; i++) {
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85 labels[i] = new Label(names[i]);
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86
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87 choices[i] = new Choice();
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88
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89
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90 for (int j = 0; j < values[i]. length; j++) {
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91 choices[i].addItem(values[i][j]);
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92 }
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93 }
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94
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95 // Set up defaults
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96
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97 choices[encodingIndex].select("Auto");
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98 choices[compressLevelIndex].select("Default");
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99 choices[jpegQualityIndex].select("6");
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100 choices[cursorUpdatesIndex].select("Enable");
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101 choices[useCopyRectIndex].select("Yes");
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102 choices[eightBitColorsIndex].select("No");
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103 choices[mouseButtonIndex].select("Normal");
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104 choices[viewOnlyIndex].select("No");
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105 choices[scaleCursorIndex].select("No");
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106 choices[shareDesktopIndex].select("Yes");
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107
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108 // But let them be overridden by parameters
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109
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110 for (int i = 0; i < names.length; i++) {
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111 String s = viewer.readParameter(names[i], false);
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112 if (s != null) {
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113 for (int j = 0; j < values[i].length; j++) {
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114 if (s.equalsIgnoreCase(values[i][j])) {
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115 choices[i].select(j);
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116 }
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117 }
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118 }
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119 }
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120
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121 // FIXME: Provide some sort of GUI for "Scaling Factor".
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122
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123 autoScale = false;
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124 scalingFactor = 100;
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125 String s = viewer.readParameter("Scaling Factor", false);
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126 if (s != null) {
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127 if (s.equalsIgnoreCase("Auto")) {
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128 autoScale = true;
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129 } else {
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130 // Remove the '%' char at the end of string if present.
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131 if (s.charAt(s.length() - 1) == '%') {
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132 s = s.substring(0, s.length() - 1);
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133 }
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134 // Convert to an integer.
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135 try {
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136 scalingFactor = Integer.parseInt(s);
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137 }
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138 catch (NumberFormatException e) {
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139 scalingFactor = 100;
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140 }
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141 // Make sure scalingFactor is in the range of [1..1000].
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142 if (scalingFactor < 1) {
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143 scalingFactor = 1;
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144 } else if (scalingFactor > 1000) {
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145 scalingFactor = 1000;
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146 }
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147 }
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148 }
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149
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150 // Make the booleans and encodings array correspond to the state of the GUI
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151
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152 setEncodings();
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153 setColorFormat();
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154 setOtherOptions();
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155 }
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156
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157
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158 //
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159 // Disable the shareDesktop option
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160 //
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161
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162 void disableShareDesktop() {
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163 labels[shareDesktopIndex].setEnabled(false);
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164 choices[shareDesktopIndex].setEnabled(false);
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165 }
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166
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167 //
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168 // setEncodings looks at the encoding, compression level, JPEG
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169 // quality level, cursor shape updates and copyRect choices and sets
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170 // corresponding variables properly. Then it calls the VncViewer's
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171 // setEncodings method to send a SetEncodings message to the RFB
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172 // server.
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173 //
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174
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175 void setEncodings() {
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176 // useCopyRect = choices[useCopyRectIndex].getSelectedItem().equals("Yes");
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177
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178 preferredEncoding = RfbProto.EncodingRaw;
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179 boolean enableCompressLevel = false;
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180
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181 if (choices[encodingIndex].getSelectedItem().equals("RRE")) {
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182 preferredEncoding = RfbProto.EncodingRRE;
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183 } else if (choices[encodingIndex].getSelectedItem().equals("CoRRE")) {
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184 preferredEncoding = RfbProto.EncodingCoRRE;
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185 } else if (choices[encodingIndex].getSelectedItem().equals("Hextile")) {
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186 preferredEncoding = RfbProto.EncodingHextile;
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187 } else if (choices[encodingIndex].getSelectedItem().equals("ZRLE")) {
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188 preferredEncoding = RfbProto.EncodingZRLE;
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189 } else if (choices[encodingIndex].getSelectedItem().equals("Zlib")) {
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190 preferredEncoding = RfbProto.EncodingZlib;
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191 enableCompressLevel = true;
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192 } else if (choices[encodingIndex].getSelectedItem().equals("Tight")) {
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193 preferredEncoding = RfbProto.EncodingTight;
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194 enableCompressLevel = true;
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195 } else if (choices[encodingIndex].getSelectedItem().equals("Auto")) {
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196 preferredEncoding = -1;
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197 }
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198
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199 // Handle compression level setting.
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200
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201 try {
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202 compressLevel =
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203 Integer.parseInt(choices[compressLevelIndex].getSelectedItem());
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204 }
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205 catch (NumberFormatException e) {
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206 compressLevel = -1;
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207 }
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208 if (compressLevel < 1 || compressLevel > 9) {
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209 compressLevel = -1;
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210 }
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211 labels[compressLevelIndex].setEnabled(enableCompressLevel);
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212 choices[compressLevelIndex].setEnabled(enableCompressLevel);
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213
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214 // Handle JPEG quality setting.
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215
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216 try {
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217 jpegQuality =
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218 Integer.parseInt(choices[jpegQualityIndex].getSelectedItem());
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219 }
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220 catch (NumberFormatException e) {
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221 jpegQuality = -1;
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222 }
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223 if (jpegQuality < 0 || jpegQuality > 9) {
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224 jpegQuality = -1;
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225 }
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226
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227 // Request cursor shape updates if necessary.
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228
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229 requestCursorUpdates =
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230 !choices[cursorUpdatesIndex].getSelectedItem().equals("Disable");
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231
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232 if (requestCursorUpdates) {
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233 ignoreCursorUpdates =
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234 choices[cursorUpdatesIndex].getSelectedItem().equals("Ignore");
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235 }
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236
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237 viewer.setEncodings();
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238 }
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239
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240 //
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241 // setColorFormat sets eightBitColors variable depending on the GUI
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242 // setting, causing switches between 8-bit and 24-bit colors mode if
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243 // necessary.
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244 //
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245
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246 void setColorFormat() {
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247
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248 eightBitColors =
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249 choices[eightBitColorsIndex].getSelectedItem().equals("Yes");
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250
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251 boolean enableJPEG = !eightBitColors;
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252
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253 labels[jpegQualityIndex].setEnabled(enableJPEG);
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254 choices[jpegQualityIndex].setEnabled(enableJPEG);
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255 }
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256
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257 //
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258 // setOtherOptions looks at the "other" choices (ones that do not
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259 // cause sending any protocol messages) and sets the boolean flags
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260 // appropriately.
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261 //
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262
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263 void setOtherOptions() {
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264
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265 reverseMouseButtons2And3
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266 = choices[mouseButtonIndex].getSelectedItem().equals("Reversed");
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267
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268 viewOnly
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269 = choices[viewOnlyIndex].getSelectedItem().equals("Yes");
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270 if (viewer.vc != null)
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271 viewer.vc.enableInput(!viewOnly);
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272
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273 shareDesktop
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274 = choices[shareDesktopIndex].getSelectedItem().equals("Yes");
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275
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276 String scaleString = choices[scaleCursorIndex].getSelectedItem();
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277 if (scaleString.endsWith("%"))
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278 scaleString = scaleString.substring(0, scaleString.length() - 1);
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279 try {
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280 scaleCursor = Integer.parseInt(scaleString);
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281 }
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282 catch (NumberFormatException e) {
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283 scaleCursor = 0;
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284 }
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285 if (scaleCursor < 10 || scaleCursor > 500) {
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286 scaleCursor = 0;
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287 }
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288 if (requestCursorUpdates && !ignoreCursorUpdates && !viewOnly) {
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289 labels[scaleCursorIndex].setEnabled(true);
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290 choices[scaleCursorIndex].setEnabled(true);
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291 } else {
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292 labels[scaleCursorIndex].setEnabled(false);
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293 choices[scaleCursorIndex].setEnabled(false);
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294 }
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295 if (viewer.vc != null)
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296 viewer.vc.createSoftCursor(); // update cursor scaling
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297 }
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298
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299
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300 //
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301 // Respond to actions on Choice controls
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302 //
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303
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304 public void itemStateChanged(ItemEvent evt) {
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305 Object source = evt.getSource();
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306
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307 if (source == choices[encodingIndex] ||
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308 source == choices[compressLevelIndex] ||
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309 source == choices[jpegQualityIndex] ||
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310 source == choices[cursorUpdatesIndex] ||
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311 source == choices[useCopyRectIndex]) {
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312
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313 setEncodings();
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314
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315 if (source == choices[cursorUpdatesIndex]) {
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316 setOtherOptions(); // update scaleCursor state
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317 }
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318
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319 } else if (source == choices[eightBitColorsIndex]) {
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320
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321 setColorFormat();
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322
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323 } else if (source == choices[mouseButtonIndex] ||
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324 source == choices[shareDesktopIndex] ||
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325 source == choices[viewOnlyIndex] ||
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326 source == choices[scaleCursorIndex]) {
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327
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328 setOtherOptions();
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329
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330 }
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331 }
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332
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333 }
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