source: branches/wsgi/packages/sipb-xen-vnc-client/code/VncCanvas2.java @ 2313

Last change on this file since 2313 was 66, checked in by quentin, 17 years ago

Initial checkin of modified Java VNC viewer for use as remote console

File size: 1.9 KB
Line 
1//
2//  Copyright (C) 2006 Constantin Kaplinsky.  All Rights Reserved.
3//
4//  This is free software; you can redistribute it and/or modify
5//  it under the terms of the GNU General Public License as published by
6//  the Free Software Foundation; either version 2 of the License, or
7//  (at your option) any later version.
8//
9//  This software is distributed in the hope that it will be useful,
10//  but WITHOUT ANY WARRANTY; without even the implied warranty of
11//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12//  GNU General Public License for more details.
13//
14//  You should have received a copy of the GNU General Public License
15//  along with this software; if not, write to the Free Software
16//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
17//  USA.
18//
19
20import java.awt.*;
21import java.io.*;
22
23//
24// VncCanvas2 is a special version of VncCanvas which may use Java 2 API.
25//
26
27class VncCanvas2 extends VncCanvas {
28
29  public VncCanvas2(VncViewer v) throws IOException {
30    super(v);
31    disableFocusTraversalKeys();
32  }
33
34  public VncCanvas2(VncViewer v, int maxWidth_, int maxHeight_)
35    throws IOException {
36
37    super(v, maxWidth_, maxHeight_);
38    disableFocusTraversalKeys();
39  }
40
41  public void paintScaledFrameBuffer(Graphics g) {
42    Graphics2D g2d = (Graphics2D)g;
43    g2d.setRenderingHint(RenderingHints.KEY_RENDERING,
44                         RenderingHints.VALUE_RENDER_QUALITY);
45    g2d.drawImage(memImage, 0, 0, scaledWidth, scaledHeight, null);
46  }
47
48  //
49  // Try to disable focus traversal keys (JVMs 1.4 and higher).
50  //
51
52  private void disableFocusTraversalKeys() {
53    try {
54      Class[] argClasses = { Boolean.TYPE };
55      java.lang.reflect.Method method =
56        getClass().getMethod("setFocusTraversalKeysEnabled", argClasses);
57      Object[] argObjects = { new Boolean(false) };
58      method.invoke(this, argObjects);
59    } catch (Exception e) {}
60  }
61
62}
63
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