source: trunk/packages/invirt-vnc-client/AuthPanel.java @ 2781

Last change on this file since 2781 was 1334, checked in by broder, 16 years ago

sipb-xen-vnc-client -> invirt-vnc-client

File size: 3.1 KB
Line 
1//
2//  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
3//  Copyright (C) 2002-2006 Constantin Kaplinsky.  All Rights Reserved.
4//
5//  This is free software; you can redistribute it and/or modify
6//  it under the terms of the GNU General Public License as published by
7//  the Free Software Foundation; either version 2 of the License, or
8//  (at your option) any later version.
9//
10//  This software is distributed in the hope that it will be useful,
11//  but WITHOUT ANY WARRANTY; without even the implied warranty of
12//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13//  GNU General Public License for more details.
14//
15//  You should have received a copy of the GNU General Public License
16//  along with this software; if not, write to the Free Software
17//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
18//  USA.
19//
20
21import java.awt.*;
22import java.awt.event.*;
23
24//
25// The panel which implements the user authentication scheme
26//
27
28class AuthPanel extends Panel implements ActionListener {
29
30  TextField passwordField;
31  Button okButton;
32
33  //
34  // Constructor.
35  //
36
37  public AuthPanel(VncViewer viewer)
38  {
39    Label titleLabel = new Label("VNC Authentication", Label.CENTER);
40    titleLabel.setFont(new Font("Helvetica", Font.BOLD, 18));
41
42    Label promptLabel = new Label("Password:", Label.CENTER);
43
44    passwordField = new TextField(10);
45    passwordField.setForeground(Color.black);
46    passwordField.setBackground(Color.white);
47    passwordField.setEchoChar('*');
48
49    okButton = new Button("OK");
50
51    GridBagLayout gridbag = new GridBagLayout();
52    GridBagConstraints gbc = new GridBagConstraints();
53
54    setLayout(gridbag);
55
56    gbc.gridwidth = GridBagConstraints.REMAINDER;
57    gbc.insets = new Insets(0,0,20,0);
58    gridbag.setConstraints(titleLabel,gbc);
59    add(titleLabel);
60
61    gbc.fill = GridBagConstraints.NONE;
62    gbc.gridwidth = 1;
63    gbc.insets = new Insets(0,0,0,0);
64    gridbag.setConstraints(promptLabel,gbc);
65    add(promptLabel);
66
67    gridbag.setConstraints(passwordField,gbc);
68    add(passwordField);
69    passwordField.addActionListener(this);
70
71    // gbc.ipady = 10;
72    gbc.gridwidth = GridBagConstraints.REMAINDER;
73    gbc.fill = GridBagConstraints.BOTH;
74    gbc.insets = new Insets(0,20,0,0);
75    gbc.ipadx = 30;
76    gridbag.setConstraints(okButton,gbc);
77    add(okButton);
78    okButton.addActionListener(this);
79  }
80
81  //
82  // Move keyboard focus to the default object, that is, the password
83  // text field.
84  //
85
86  public void moveFocusToDefaultField()
87  {
88    passwordField.requestFocus();
89  }
90
91  //
92  // This method is called when a button is pressed or return is
93  // pressed in the password text field.
94  //
95
96  public synchronized void actionPerformed(ActionEvent evt)
97  {
98    if (evt.getSource() == passwordField || evt.getSource() == okButton) {
99      passwordField.setEnabled(false);
100      notify();
101    }
102  }
103
104  //
105  // Wait for user entering a password, and return it as String.
106  //
107
108  public synchronized String getPassword() throws Exception
109  {
110    try {
111      wait();
112    } catch (InterruptedException e) { }
113    return passwordField.getText();
114  }
115
116}
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