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1 //
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2 // Copyright (C) 2001 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 // Clipboard frame.
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23 //
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24
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25 import java.awt.*;
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26 import java.awt.event.*;
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27
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28 class ClipboardFrame extends Frame
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29 implements WindowListener, ActionListener {
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30
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31 TextArea textArea;
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32 Button clearButton, closeButton;
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33 String selection;
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34 VncViewer viewer;
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35
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36 //
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37 // Constructor.
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38 //
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39
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40 ClipboardFrame(VncViewer v) {
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41 super("TightVNC Clipboard");
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42
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43 viewer = v;
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44
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45 GridBagLayout gridbag = new GridBagLayout();
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46 setLayout(gridbag);
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47
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48 GridBagConstraints gbc = new GridBagConstraints();
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49 gbc.gridwidth = GridBagConstraints.REMAINDER;
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50 gbc.fill = GridBagConstraints.BOTH;
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51 gbc.weighty = 1.0;
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52
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53 textArea = new TextArea(5, 40);
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54 gridbag.setConstraints(textArea, gbc);
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55 add(textArea);
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56
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57 gbc.fill = GridBagConstraints.HORIZONTAL;
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58 gbc.weightx = 1.0;
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59 gbc.weighty = 0.0;
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60 gbc.gridwidth = 1;
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61
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62 clearButton = new Button("Clear");
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63 gridbag.setConstraints(clearButton, gbc);
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64 add(clearButton);
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65 clearButton.addActionListener(this);
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66
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67 closeButton = new Button("Close");
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68 gridbag.setConstraints(closeButton, gbc);
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69 add(closeButton);
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70 closeButton.addActionListener(this);
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71
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72 pack();
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73
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74 addWindowListener(this);
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75 }
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76
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77
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78 //
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79 // Set the cut text from the RFB server.
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80 //
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81
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82 void setCutText(String text) {
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83 selection = text;
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84 textArea.setText(text);
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85 if (isVisible()) {
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86 textArea.selectAll();
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87 }
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88 }
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89
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90
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91 //
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92 // When the focus leaves the window, see if we have new cut text and
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93 // if so send it to the RFB server.
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94 //
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95
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96 public void windowDeactivated (WindowEvent evt) {
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97 if (selection != null && !selection.equals(textArea.getText())) {
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98 selection = textArea.getText();
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99 viewer.setCutText(selection);
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100 }
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101 }
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102
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103 //
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104 // Close our window properly.
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105 //
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106
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107 public void windowClosing(WindowEvent evt) {
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108 setVisible(false);
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109 }
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110
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111 //
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112 // Ignore window events we're not interested in.
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113 //
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114
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115 public void windowActivated(WindowEvent evt) {}
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116 public void windowOpened(WindowEvent evt) {}
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117 public void windowClosed(WindowEvent evt) {}
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118 public void windowIconified(WindowEvent evt) {}
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119 public void windowDeiconified(WindowEvent evt) {}
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120
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121
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122 //
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123 // Respond to button presses
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124 //
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125
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126 public void actionPerformed(ActionEvent evt) {
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127 if (evt.getSource() == clearButton) {
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128 textArea.setText("");
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129 } else if (evt.getSource() == closeButton) {
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130 setVisible(false);
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131 }
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132 }
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133 }
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