# Substance client properties

View all API methods.

View all client properties.

Client property name | SubstanceLookAndFeel.FLAT_PROPERTY

Description | Property name for specifying that the component should be painted flat (no background / border) when it's inactive. This property should be specified on a specific component or its parent and must have either `Boolean.TRUE` or `Boolean.FALSE` value.

See also |

- BUTTON_PAINT_NEVER_PROPERTY client property.

Sample code | `import java.awt.FlowLayout; import javax.swing.*; import org.jvnet.substance.SubstanceLookAndFeel; import org.jvnet.substance.skin.SubstanceBusinessBlackSteelLookAndFeel; /**
* Test application that shows the use of the
* {@link SubstanceLookAndFeel#FLAT_PROPERTY} client property.
*
* @author Kirill Grouchnikov
* @see SubstanceLookAndFeel#FLAT_PROPERTY
*/
public class FlatProperty extends JFrame {
/**
* Creates the main frame for <code>this</code> sample.
*/
public FlatProperty() {
super("Middle button is flat (rollover mouse)");
this.setLayout(new FlowLayout());
JButton buttonA = new JButton("a");
JButton buttonB = new JButton("b");
// mark button to have flat background
buttonB.putClientProperty(SubstanceLookAndFeel.FLAT_PROPERTY,
Boolean.TRUE);
JButton buttonC = new JButton("c");
this.add(buttonA);
this.add(buttonB);
this.add(buttonC);
this.setSize(400, 200);
this.setLocationRelativeTo(null);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
/**
* The main method for <code>this</code> sample. The arguments are
* ignored.
*
* @param args
* Ignored.
* @throws Exception
* If some exception occured. Note that there is no special
* treatment of exception conditions in <code>this</code>
* sample code.
*/
public static void main(String[] args) throws Exception {
UIManager.setLookAndFeel(new SubstanceBusinessBlackSteelLookAndFeel());
JFrame.setDefaultLookAndFeelDecorated(true);
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new FlatProperty().setVisible(true);
}
});
}
}`

The screenshot below shows application frame with middle button marked with this property set to `Boolean.TRUE`. In the default state, the button's background is not showing:

The screenshot below shows the same frame where the mouse is over the middle button, which shows its background: