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