To show a custom area for toolbar.

To show a custom area for toolbar.

public void postWindowOpen() {
    //...
}

//Add to postWindowOpen()
final IWorkbenchWindow window = getWindowConfigurer().getWindow();

Listener listener = new Listener() {
    private Shell toolbar;

    public void handleEvent(Event event) {
    Control control = (Control) event.widget;
    Point mouse = control.toDisplay(event.x, event.y);
    final Shell shell = window.getShell();
    Point location = shell.getLocation();
    Point size = shell.getSize();
    int xIndent = 2;
    int yIndent = 24;
    int height = 30;
    if (mouse.x > location.x 
        && mouse.y > location.y + yIndent
        && location.x + size.x > mouse.x
        && location.y + yIndent + height > mouse.y) {
        if (toolbar == null) {
        toolbar = new Shell(shell, SWT.NO_TRIM);
        toolbar.setSize(size.x - 2 * xIndent, height);
        toolbar.setLocation(location.x + xIndent, location.y + yIndent);
        GridLayout layout = new GridLayout(24, false);
        layout.marginLeft = 0;
        layout.marginTop = 0;
        toolbar.setLayout(layout);
        new Button(toolbar, SWT.PUSH).setText("action 1");
        new Button(toolbar, SWT.PUSH).setText("action 2");
        new Button(toolbar, SWT.PUSH).setText("action 3");
        toolbar.setVisible(true);
        }
    } else {
        if (toolbar != null) {
        toolbar.dispose();
        toolbar = null;
        }
    }
    }
};

window.getShell().getDisplay().addFilter(SWT.MouseMove, listener);