FormLayout: marginWidth
import org.eclipse.swt.SWT; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class MainClass { public static void main(String[] a) { Display display = new Display(); Shell shell = new Shell(display); FormLayout layout = new FormLayout(); layout.marginHeight = 5; layout.marginWidth = 10; shell.setLayout(layout); new Button(shell, SWT.PUSH).setText("Button"); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } display.dispose(); } }