MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class MainClass {

    public static void main(String[] a) {

        final Display d = new Display();
        final Shell shell = new Shell(d);

        shell.setSize(250, 200);

        shell.setLayout(new FillLayout());

        // Create a canvas
        Canvas canvas = new Canvas(shell, SWT.NONE);

        canvas.addPaintListener(new PaintListener() {
            public void paintControl(PaintEvent e) {

                e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_BLACK));
                e.gc.drawOval(100, 20, 100, 50);

            }
        });

        shell.open();
        while (!shell.isDisposed()) {
            if (!d.readAndDispatch())
                d.sleep();
        }
        d.dispose();
    }
}