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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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40
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41 ButtonPanel(VncViewer v) {
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42 viewer = v;
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43
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44 setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
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45 disconnectButton = new Button("Disconnect");
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46 disconnectButton.setEnabled(false);
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47 add(disconnectButton);
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48 disconnectButton.addActionListener(this);
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49 optionsButton = new Button("Options");
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50 add(optionsButton);
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51 optionsButton.addActionListener(this);
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52 clipboardButton = new Button("Clipboard");
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53 clipboardButton.setEnabled(false);
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54 add(clipboardButton);
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55 clipboardButton.addActionListener(this);
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56 if (viewer.rec != null) {
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57 recordButton = new Button("Record");
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58 add(recordButton);
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59 recordButton.addActionListener(this);
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60 }
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61 ctrlAltDelButton = new Button("Send Ctrl-Alt-Del");
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62 ctrlAltDelButton.setEnabled(false);
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63 add(ctrlAltDelButton);
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64 ctrlAltDelButton.addActionListener(this);
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65 refreshButton = new Button("Refresh");
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66 refreshButton.setEnabled(false);
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67 add(refreshButton);
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68 refreshButton.addActionListener(this);
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69 }
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70
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71 //
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72 // Enable buttons on successful connection.
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73 //
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74
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75 public void enableButtons() {
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76 disconnectButton.setEnabled(true);
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77 clipboardButton.setEnabled(true);
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78 refreshButton.setEnabled(true);
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79 }
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80
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81 //
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82 // Disable all buttons on disconnect.
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83 //
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84
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85 public void disableButtonsOnDisconnect() {
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86 remove(disconnectButton);
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87 disconnectButton = new Button("Hide desktop");
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88 disconnectButton.setEnabled(true);
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89 add(disconnectButton, 0);
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90 disconnectButton.addActionListener(this);
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91
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92 optionsButton.setEnabled(false);
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93 clipboardButton.setEnabled(false);
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94 ctrlAltDelButton.setEnabled(false);
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95 refreshButton.setEnabled(false);
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96
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97 validate();
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98 }
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99
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100 //
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101 // Enable/disable controls that should not be available in view-only
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102 // mode.
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103 //
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104
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105 public void enableRemoteAccessControls(boolean enable) {
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106 ctrlAltDelButton.setEnabled(enable);
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107 }
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108
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109 //
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110 // Event processing.
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111 //
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112
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113 public void actionPerformed(ActionEvent evt) {
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114
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115 viewer.moveFocusToDesktop();
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116
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117 if (evt.getSource() == disconnectButton) {
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118 viewer.disconnect();
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119
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120 } else if (evt.getSource() == optionsButton) {
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121 viewer.options.setVisible(!viewer.options.isVisible());
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122
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123 } else if (evt.getSource() == recordButton) {
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124 viewer.rec.setVisible(!viewer.rec.isVisible());
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125
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126 } else if (evt.getSource() == clipboardButton) {
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127 viewer.clipboard.setVisible(!viewer.clipboard.isVisible());
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128
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129 } else if (evt.getSource() == ctrlAltDelButton) {
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130 try {
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131 final int modifiers = InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
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132
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133 KeyEvent ctrlAltDelEvent =
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134 new KeyEvent(this, KeyEvent.KEY_PRESSED, 0, modifiers, 127);
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135 viewer.rfb.writeKeyEvent(ctrlAltDelEvent);
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136
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137 ctrlAltDelEvent =
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138 new KeyEvent(this, KeyEvent.KEY_RELEASED, 0, modifiers, 127);
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139 viewer.rfb.writeKeyEvent(ctrlAltDelEvent);
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140
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141 } catch (IOException e) {
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142 e.printStackTrace();
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143 }
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144 } else if (evt.getSource() == refreshButton) {
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145 try {
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146 RfbProto rfb = viewer.rfb;
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147 rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth,
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148 rfb.framebufferHeight, false);
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149 } catch (IOException e) {
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150 e.printStackTrace();
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151 }
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152 }
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153 }
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154 }
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155
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