Example 2 - Layout Managers | |
In this example, a panel is created with a FlowLayout for its layout manager. A flow layout positions children left-to-right in rows going from top-to-bottom. The children are sized according to their preferred size. |
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import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Display; import org.eclipse.draw2d.*; import org.eclipse.swt.SWT; import org.eclipse.draw2d.geometry.*; public class Demo2 { public static void main(String args[]){ Shell shell = new Shell(); shell.open(); shell.setText("Draw2d"); LightweightSystem lws = new LightweightSystem(shell); IFigure panel = new Figure(); panel.setLayoutManager(new FlowLayout()); lws.setContents(panel); Clickable button = new Button("Click me"); Clickable checkbox = new CheckBox("Check box"); Shape ellipse = new Ellipse(); ellipse.setBackgroundColor(ColorConstants.yellow); Shape rectangle = new RectangleFigure(); rectangle.setBackgroundColor(ColorConstants.lightBlue); panel.add(button); panel.add(checkbox); panel.add(ellipse); panel.add(rectangle); Display display = Display.getDefault(); while (!shell.isDisposed ()) { if (!display.readAndDispatch ()) display.sleep (); } } } |