import org.eclipse.swt.widgets.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.FillLayout;

public class ColorDialogExample {
    
    Display d;
    Shell s;
    ColorDialogExample()    {
         d = new Display();
         s = new Shell(d);
        s.setSize(400,400);
        s.setImage(new Image(d, "c:\\icons\\JavaCup.ico"));
        s.setText("A ColorDialog Example");
        s.setLayout(new FillLayout(SWT.VERTICAL));    
        final Text t = new Text(s, SWT.BORDER | SWT.MULTI);
        final Button b = new Button(s, SWT.PUSH | SWT.BORDER);
        b.setText("Change Color");
        b.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                ColorDialog cd = new ColorDialog(s);
                cd.setText("ColorDialog Demo");
                cd.setRGB(new RGB(255,255,255));
                RGB newColor = cd.open();
                if(newColor==null)
                {
                    return;                    
                }
                t.setBackground(new Color(d, newColor));
            }
        });
        s.open();
        
        while(!s.isDisposed()){
            if(!d.readAndDispatch())
                d.sleep();
        }
        d.dispose();
    }
}