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//
// 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.
//
package tightvncviewer;
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();
}
}
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