import java.awt.*;

public
class ScrollingFrame extends Frame {

protected Scrollbar _sbv; 
protected Scrollbar _sbh; 
protected Button _button; 

public ScrollingFrame(String title, Panel panel) {
	super(title);

	GridBagLayout gridbag = new GridBagLayout();
	GridBagConstraints c = new GridBagConstraints();
	setLayout(gridbag);
		
	c.fill = GridBagConstraints.BOTH;	// Add the canvas
	c.anchor = GridBagConstraints.CENTER;
	c.weightx = 1.0;
	c.weighty = 1.0;
	c.gridwidth = GridBagConstraints.RELATIVE; 
	c.gridheight = GridBagConstraints.RELATIVE;
	gridbag.setConstraints(panel, c);
	add(panel);

	c.fill = GridBagConstraints.VERTICAL;	// Add vertical scrollbar
	c.weightx = 0.0;
	c.weighty = 0.0;
	c.gridwidth = GridBagConstraints.REMAINDER;
	c.gridheight = GridBagConstraints.RELATIVE;
	_sbv = new Scrollbar( Scrollbar.VERTICAL, 1, 1, 1, 1 );
	_sbv.setLineIncrement( 1 );
	_sbv.setPageIncrement( panel.size().height );
	gridbag.setConstraints(_sbv, c);
	add(_sbv);

	c.fill = GridBagConstraints.HORIZONTAL;	// Add horizontal scrollbar
	c.weightx = 0.0;
	c.weighty = 0.0;
	c.gridwidth = GridBagConstraints.RELATIVE;
	c.gridheight = GridBagConstraints.REMAINDER;
	_sbh = new Scrollbar( Scrollbar.HORIZONTAL, 1, 1, 1, 1 );
	_sbh.setLineIncrement( 1 );
	_sbh.setPageIncrement( panel.size().width );
	gridbag.setConstraints(_sbh, c);
	add(_sbh);

	c.fill = GridBagConstraints.NONE;	// Add spurious button
	c.weightx = 0.0;
	c.weighty = 0.0;
	c.gridwidth = GridBagConstraints.REMAINDER;
	c.gridheight = GridBagConstraints.REMAINDER;
	_button = new Button();
	_button.setBackground( Color.blue );
	gridbag.setConstraints(_button, c);
	add(_button);
}

public boolean handleEvent(Event evt) {
	if (evt.id == Event.WINDOW_ICONIFY) {
		hide();
		return true;
	}
	if (evt.id == Event.WINDOW_DESTROY) {
		dispose();
		return true;
	}
	return super.handleEvent(evt);
}

} // class GraphWindow