// set a background to let user see limits of the component
componentPanel.setBackground(new Color(Display.getCurrent(), 255, 175, 175));// PINK as in awt
//Combo box
final Player theComponent = new Player(componentPanel, SWT.NONE);
theComponent.setLayoutData(new RowData(300, 50));
theComponent.initSlider(10);
theComponent.setIndex(0);
// ----------
Group testPanel = getTestPanel(mainComposite, theComponent);
GridData testPanelGridData = new GridData();