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1 package myVncProxy;
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2 //
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3 // Copyright (C) 2001,2002 HorizonLive.com, Inc. All Rights Reserved.
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4 // Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
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5 //
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6 // This is free software; you can redistribute it and/or modify
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7 // it under the terms of the GNU General Public License as published by
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8 // the Free Software Foundation; either version 2 of the License, or
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9 // (at your option) any later version.
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10 //
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11 // This software is distributed in the hope that it will be useful,
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12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 // GNU General Public License for more details.
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15 //
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16 // You should have received a copy of the GNU General Public License
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17 // along with this software; if not, write to the Free Software
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18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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19 // USA.
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20 //
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21
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22 //
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23 // ButtonPanel class implements panel with four buttons in the
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24 // VNCViewer desktop window.
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25 //
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26
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27 import java.awt.*;
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28 import java.awt.event.*;
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29 import java.io.*;
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30
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31 class ButtonPanel extends Panel implements ActionListener {
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32
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33 VncViewer viewer;
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34 Button disconnectButton;
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35 Button optionsButton;
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36 Button recordButton;
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37 Button clipboardButton;
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38 Button ctrlAltDelButton;
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39 Button refreshButton;
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184
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40 Button changeHost;
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41
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42 ButtonPanel(VncViewer v) {
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43 viewer = v;
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44
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45 setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
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46 disconnectButton = new Button("Disconnect");
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47 disconnectButton.setEnabled(false);
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48 add(disconnectButton);
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49 disconnectButton.addActionListener(this);
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50 optionsButton = new Button("Options");
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51 add(optionsButton);
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52 optionsButton.addActionListener(this);
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53 clipboardButton = new Button("Clipboard");
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54 clipboardButton.setEnabled(false);
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55 add(clipboardButton);
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56 clipboardButton.addActionListener(this);
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57 if (viewer.rec != null) {
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58 recordButton = new Button("Record");
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59 add(recordButton);
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60 recordButton.addActionListener(this);
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61 }
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62 ctrlAltDelButton = new Button("Send Ctrl-Alt-Del");
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63 ctrlAltDelButton.setEnabled(false);
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64 add(ctrlAltDelButton);
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65 ctrlAltDelButton.addActionListener(this);
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66 refreshButton = new Button("Refresh");
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67 refreshButton.setEnabled(false);
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68 add(refreshButton);
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69 refreshButton.addActionListener(this);
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184
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70 changeHost = new Button("Change Host");
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71 add(changeHost);
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72 changeHost.addActionListener(this);
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73 }
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74
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75 //
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76 // Enable buttons on successful connection.
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77 //
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78
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79 public void enableButtons() {
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80 disconnectButton.setEnabled(true);
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81 clipboardButton.setEnabled(true);
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82 refreshButton.setEnabled(true);
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83 }
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84
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85 //
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86 // Disable all buttons on disconnect.
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87 //
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88
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89 public void disableButtonsOnDisconnect() {
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90 remove(disconnectButton);
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91 disconnectButton = new Button("Hide desktop");
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92 disconnectButton.setEnabled(true);
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93 add(disconnectButton, 0);
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94 disconnectButton.addActionListener(this);
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95
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96 optionsButton.setEnabled(false);
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97 clipboardButton.setEnabled(false);
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98 ctrlAltDelButton.setEnabled(false);
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99 refreshButton.setEnabled(false);
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100
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101 validate();
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102 }
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103
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104 //
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105 // Enable/disable controls that should not be available in view-only
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106 // mode.
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107 //
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108
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109 public void enableRemoteAccessControls(boolean enable) {
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110 ctrlAltDelButton.setEnabled(enable);
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111 }
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112
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113 //
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114 // Event processing.
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115 //
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116
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117 public void actionPerformed(ActionEvent evt) {
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118
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119 viewer.moveFocusToDesktop();
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120
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121 if (evt.getSource() == disconnectButton) {
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122 viewer.disconnect();
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123
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124 } else if (evt.getSource() == optionsButton) {
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125 viewer.options.setVisible(!viewer.options.isVisible());
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126
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127 } else if (evt.getSource() == recordButton) {
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128 viewer.rec.setVisible(!viewer.rec.isVisible());
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129
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130 } else if (evt.getSource() == clipboardButton) {
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131 viewer.clipboard.setVisible(!viewer.clipboard.isVisible());
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132
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184
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133 }else if (evt.getSource() == changeHost) {
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134 //write when click to "Change Host"
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135
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136 } else if (evt.getSource() == ctrlAltDelButton) {
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137 try {
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138 final int modifiers = InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
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139
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140 KeyEvent ctrlAltDelEvent =
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141 new KeyEvent(this, KeyEvent.KEY_PRESSED, 0, modifiers, 127);
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142 viewer.rfb.writeKeyEvent(ctrlAltDelEvent);
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143
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144 ctrlAltDelEvent =
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145 new KeyEvent(this, KeyEvent.KEY_RELEASED, 0, modifiers, 127);
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146 viewer.rfb.writeKeyEvent(ctrlAltDelEvent);
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147
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148 } catch (IOException e) {
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149 e.printStackTrace();
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150 }
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151 } else if (evt.getSource() == refreshButton) {
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152 try {
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153 RfbProto rfb = viewer.rfb;
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154 rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth,
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155 rfb.framebufferHeight, false);
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156 } catch (IOException e) {
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157 e.printStackTrace();
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158 }
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159 }
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160 }
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161 }
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162
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