import uwcse.graphics.*;
import java.awt.*;

public class DummyClass {

    private uwcse.graphics.HW7GWindow  mainWindow;
    private InheritanceWindowListener  listener;

    private boolean                    haveHadClick;
    private int                        lastX;
    private int                        lastY;

    public DummyClass() {
        haveHadClick = false;
        mainWindow = new uwcse.graphics.HW7GWindow();
        mainWindow.setBGColor( Color.yellow );
        mainWindow.setScreenPosition( 100, 100 );
        mainWindow.setExitOnClose();
        listener = new InheritanceWindowListener( this );

        mainWindow.addEventHandler( listener );
    }

    public void registerMouseClick( int x, int y ) {
        // adding these Oval's was NOT part of the assignment (but
        // it looks better to me...)
        mainWindow.add( new Oval( x-4, y-4, 9, 9, Color.black, true ) );
        if ( haveHadClick ) {
            mainWindow.add( new Line( lastX, lastY, x, y ) );
        }
        lastX = x;
        lastY = y;
        haveHadClick = true;
    }

    public static void main( String args[] ) {
        DummyClass dc = new DummyClass();
    }
}