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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();

    }

  }

}