ScrollBarSelectionListener.java Source code

Introduction

Here is the source code for ScrollBarSelectionListener.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;

public class ScrollBarSelectionListener {

    public static void main(String[] args) {
        Display display = new Display();
        final Shell shell = new Shell(display, SWT.SHELL_TRIM | SWT.H_SCROLL | SWT.V_SCROLL);

        final Composite composite = new Composite(shell, SWT.BORDER);
        composite.setSize(700, 600);

        final Color red = display.getSystemColor(SWT.COLOR_RED);
        composite.addPaintListener(new PaintListener() {
            public void paintControl(PaintEvent e) {
                e.gc.setBackground(red);
                e.gc.fillOval(5, 5, 690, 590);
            }
        });

        final ScrollBar hBar = shell.getHorizontalBar();
        hBar.addListener(SWT.Selection, new Listener() {
            public void handleEvent(Event e) {
                System.out.println("ScrollBar selection listener");
            }
        });

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

}