--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ButtonPanel.java	Tue Apr 12 12:57:33 2011 +0900
@@ -0,0 +1,154 @@
+//
+//  Copyright (C) 2001,2002 HorizonLive.com, Inc.  All Rights Reserved.
+//  Copyright (C) 1999 AT&T Laboratories Cambridge.  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.
+//
+
+//
+// ButtonPanel class implements panel with four buttons in the
+// VNCViewer desktop window.
+//
+
+import java.awt.*;
+import java.awt.event.*;
+import java.io.*;
+
+class ButtonPanel extends Panel implements ActionListener {
+
+  VncViewer viewer;
+  Button disconnectButton;
+  Button optionsButton;
+  Button recordButton;
+  Button clipboardButton;
+  Button ctrlAltDelButton;
+  Button refreshButton;
+
+  ButtonPanel(VncViewer v) {
+    viewer = v;
+
+    setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
+    disconnectButton = new Button("Disconnect");
+    disconnectButton.setEnabled(false);
+    add(disconnectButton);
+    disconnectButton.addActionListener(this);
+    optionsButton = new Button("Options");
+    add(optionsButton);
+    optionsButton.addActionListener(this);
+    clipboardButton = new Button("Clipboard");
+    clipboardButton.setEnabled(false);
+    add(clipboardButton);
+    clipboardButton.addActionListener(this);
+    if (viewer.rec != null) {
+      recordButton = new Button("Record");
+      add(recordButton);
+      recordButton.addActionListener(this);
+    }
+    ctrlAltDelButton = new Button("Send Ctrl-Alt-Del");
+    ctrlAltDelButton.setEnabled(false);
+    add(ctrlAltDelButton);
+    ctrlAltDelButton.addActionListener(this);
+    refreshButton = new Button("Refresh");
+    refreshButton.setEnabled(false);
+    add(refreshButton);
+    refreshButton.addActionListener(this);
+  }
+
+  //
+  // Enable buttons on successful connection.
+  //
+
+  public void enableButtons() {
+    disconnectButton.setEnabled(true);
+    clipboardButton.setEnabled(true);
+    refreshButton.setEnabled(true);
+  }
+
+  //
+  // Disable all buttons on disconnect.
+  //
+
+  public void disableButtonsOnDisconnect() {
+    remove(disconnectButton);
+    disconnectButton = new Button("Hide desktop");
+    disconnectButton.setEnabled(true);
+    add(disconnectButton, 0);
+    disconnectButton.addActionListener(this);
+
+    optionsButton.setEnabled(false);
+    clipboardButton.setEnabled(false);
+    ctrlAltDelButton.setEnabled(false);
+    refreshButton.setEnabled(false);
+
+    validate();
+  }
+
+  //
+  // Enable/disable controls that should not be available in view-only
+  // mode.
+  //
+
+  public void enableRemoteAccessControls(boolean enable) {
+    ctrlAltDelButton.setEnabled(enable);
+  }
+
+  //
+  // Event processing.
+  //
+
+  public void actionPerformed(ActionEvent evt) {
+
+    viewer.moveFocusToDesktop();
+
+    if (evt.getSource() == disconnectButton) {
+      viewer.disconnect();
+
+    } else if (evt.getSource() == optionsButton) {
+      viewer.options.setVisible(!viewer.options.isVisible());
+
+    } else if (evt.getSource() == recordButton) {
+      viewer.rec.setVisible(!viewer.rec.isVisible());
+
+    } else if (evt.getSource() == clipboardButton) {
+      viewer.clipboard.setVisible(!viewer.clipboard.isVisible());
+
+    } else if (evt.getSource() == ctrlAltDelButton) {
+      try {
+        final int modifiers = InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
+
+        KeyEvent ctrlAltDelEvent =
+          new KeyEvent(this, KeyEvent.KEY_PRESSED, 0, modifiers, 127);
+        viewer.rfb.writeKeyEvent(ctrlAltDelEvent);
+
+        ctrlAltDelEvent =
+          new KeyEvent(this, KeyEvent.KEY_RELEASED, 0, modifiers, 127);
+        viewer.rfb.writeKeyEvent(ctrlAltDelEvent);
+
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    } else if (evt.getSource() == refreshButton) {
+      try {
+	RfbProto rfb = viewer.rfb;
+	rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth,
+					  rfb.framebufferHeight, false);
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    }
+  }
+}
+