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diff --git a/java/com/tigervnc/vncviewer/Dialog.java b/java/com/tigervnc/vncviewer/Dialog.java
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+/* Copyright (C) 2002-2005 RealVNC Ltd.  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.
+ */
+
+//
+// This Dialog class implements a pop-up dialog.  This is needed because
+// apparently you can't use the standard AWT Dialog from within an applet.  The
+// dialog can be made visible by calling its showDialog() method.  Dialogs can
+// be modal or non-modal.  For a modal dialog box, the showDialog() method must
+// be called from a thread other than the GUI thread, and it only returns when
+// the dialog box has been dismissed.  For a non-modal dialog box, the
+// showDialog() method returns immediately.
+
+package com.tigervnc.vncviewer;
+
+import java.io.*;
+import java.net.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.awt.image.*;
+import javax.swing.*;
+import javax.swing.filechooser.*;
+
+//class Dialog extends JFrame implements WindowListener {
+class Dialog extends JFrame {
+
+  protected boolean ok, done;
+  boolean modal;
+
+  public Dialog(boolean modal_) {
+    modal = modal_;
+    //addWindowListener(this);
+  }
+
+  public boolean showDialog() {
+    ok = false;
+    done = false;
+    initDialog();
+    Dimension dpySize = getToolkit().getScreenSize();
+    Dimension mySize = getSize();
+    int x = (dpySize.width - mySize.width) / 2;
+    int y = (dpySize.height - mySize.height) / 2;
+    setLocation(x, y);
+    ClassLoader cl = this.getClass().getClassLoader();
+    ImageIcon icon = new ImageIcon(cl.getResource("com/tigervnc/vncviewer/tigervnc.ico"));
+    setIconImage(icon.getImage());
+    //setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
+    //setFont(new Font("SansSerif", Font.PLAIN, 11));
+
+    setVisible(true);
+    setFocusable(true);
+    if (!modal) return true;
+    synchronized(this) {
+      try {
+        while (!done)
+          wait();
+      } catch (InterruptedException e) {
+      }
+    }
+    return ok;
+  }
+
+  public void endDialog() {
+    done = true;
+    setVisible(false);
+    setFocusable(false);
+    if (modal) {
+      synchronized (this) {
+        notify();
+      }
+    }
+  }
+
+  // initDialog() can be overridden in a derived class.  Typically it is used
+  // to make sure that checkboxes have the right state, etc.
+  public void initDialog() {
+  }
+
+  //------------------------------------------------------------------ 
+  //   implemented blank methods
+  //public void windowClosed(WindowEvent event){}
+  //public void windowDeiconified(WindowEvent event){}
+  //public void windowIconified(WindowEvent event){}
+  //public void windowActivated(WindowEvent event){}
+  //public void windowDeactivated(WindowEvent event){}
+  //public void windowOpened(WindowEvent event){}
+
+  //------------------------------------------------------------------
+
+  // method to check which window was closing
+  //public void windowClosing(WindowEvent event) {
+  //  ok = false;
+  //  endDialog();
+  //}
+
+  public void addGBComponent(JComponent c, JComponent cp,
+                             int gx, int gy, 
+                             int gw, int gh, 
+                             int gipx, int gipy,
+                             double gwx, double gwy, 
+                             int fill, int anchor,
+                             Insets insets)
+  {
+      GridBagConstraints gbc = new GridBagConstraints();
+      gbc.anchor = anchor;
+      gbc.fill = fill;
+      gbc.gridx = gx;
+      gbc.gridy = gy;
+      gbc.gridwidth = gw;
+      gbc.gridheight = gh;
+      gbc.insets = insets;
+      gbc.ipadx = gipx;
+      gbc.ipady = gipy;
+      gbc.weightx = gwx;
+      gbc.weighty = gwy;
+      cp.add(c, gbc);
+  }
+
+  final public String getFileSeperator() {
+    String seperator = System.getProperties().get("file.separator").toString();
+    return seperator;
+  }
+
+  final public String getUserName() {
+    String userName = (String)System.getProperties().get("user.name");
+    return userName;
+  }
+
+}