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/* DemoJAWT.java -- AWT Native Interface demo
Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of GNU Classpath examples.
GNU Classpath 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, or (at your option)
any later version.
GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA. */
package gnu.classpath.examples.jawt;
import java.awt.*;
import java.awt.event.*;
public class DemoJAWT extends Canvas
{
static
{
System.loadLibrary ("DemoJAWT");
}
public native void paintIt (Graphics g, boolean on);
public void paint (Graphics g)
{
paintIt (g, on);
}
private boolean on;
public static void main (String[] args)
{
Frame f = new Frame ("GNU Classpath JAWT Demo");
f.setBounds (0, 0, 300, 300);
f.setResizable (false);
DemoJAWT jawtDemo = new DemoJAWT ();
f.add (jawtDemo);
f.addWindowListener (new WindowAdapter ()
{
public void windowClosing (WindowEvent evt)
{
System.exit (0);
}
});
f.show ();
while (true)
{
try
{
Thread.sleep (500);
}
catch (InterruptedException ie)
{
// ignored
}
jawtDemo.on = ! jawtDemo.on;
f.repaint();
}
}
}
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