123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116 |
- //
- // Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
- // Copyright (C) 2002-2006 Constantin Kaplinsky. All Rights Reserved.
- //
- // This is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; either version 2 of the License, or
- // (at your option) any later version.
- //
- // This software is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with this software; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- // USA.
- //
-
- import java.awt.*;
- import java.awt.event.*;
-
- //
- // The panel which implements the user authentication scheme
- //
-
- class AuthPanel extends Panel implements ActionListener {
-
- TextField passwordField;
- Button okButton;
-
- //
- // Constructor.
- //
-
- public AuthPanel(VncViewer viewer)
- {
- Label titleLabel = new Label("VNC Authentication", Label.CENTER);
- titleLabel.setFont(new Font("Helvetica", Font.BOLD, 18));
-
- Label promptLabel = new Label("Password:", Label.CENTER);
-
- passwordField = new TextField(10);
- passwordField.setForeground(Color.black);
- passwordField.setBackground(Color.white);
- passwordField.setEchoChar('*');
-
- okButton = new Button("OK");
-
- GridBagLayout gridbag = new GridBagLayout();
- GridBagConstraints gbc = new GridBagConstraints();
-
- setLayout(gridbag);
-
- gbc.gridwidth = GridBagConstraints.REMAINDER;
- gbc.insets = new Insets(0,0,20,0);
- gridbag.setConstraints(titleLabel,gbc);
- add(titleLabel);
-
- gbc.fill = GridBagConstraints.NONE;
- gbc.gridwidth = 1;
- gbc.insets = new Insets(0,0,0,0);
- gridbag.setConstraints(promptLabel,gbc);
- add(promptLabel);
-
- gridbag.setConstraints(passwordField,gbc);
- add(passwordField);
- passwordField.addActionListener(this);
-
- // gbc.ipady = 10;
- gbc.gridwidth = GridBagConstraints.REMAINDER;
- gbc.fill = GridBagConstraints.BOTH;
- gbc.insets = new Insets(0,20,0,0);
- gbc.ipadx = 30;
- gridbag.setConstraints(okButton,gbc);
- add(okButton);
- okButton.addActionListener(this);
- }
-
- //
- // Move keyboard focus to the default object, that is, the password
- // text field.
- //
-
- public void moveFocusToDefaultField()
- {
- passwordField.requestFocus();
- }
-
- //
- // This method is called when a button is pressed or return is
- // pressed in the password text field.
- //
-
- public synchronized void actionPerformed(ActionEvent evt)
- {
- if (evt.getSource() == passwordField || evt.getSource() == okButton) {
- passwordField.setEnabled(false);
- notify();
- }
- }
-
- //
- // Wait for user entering a password, and return it as String.
- //
-
- public synchronized String getPassword() throws Exception
- {
- try {
- wait();
- } catch (InterruptedException e) { }
- return passwordField.getText();
- }
-
- }
|