1 files changed, 28 insertions, 0 deletions
diff --git a/libjava/javax/swing/LookAndFeel.java b/libjava/javax/swing/LookAndFeel.java
index aa6b8a2..dc28065 100644
--- a/libjava/javax/swing/LookAndFeel.java
+++ b/libjava/javax/swing/LookAndFeel.java
@@ -37,6 +37,8 @@ exception statement from your version. */
 
 package javax.swing;
 
+import java.awt.Component;
+import java.awt.Toolkit;
 import javax.swing.text.JTextComponent;
 
 
@@ -60,6 +62,20 @@ public abstract class LookAndFeel
   public abstract String getName();
 
   /**
+   * Returns true when the Look and Feel supports window decorations,
+   * false others. This method returns always false and needs to be overwritten
+   * when the derived Look and Feel supports this.
+   *
+   * @return false
+   *
+   * @since 1.4
+   */
+  public boolean getSupportsWindowDecorations()
+  {
+    return false;
+  }
+  
+  /**
    * UIManager.setLookAndFeel calls this method before the first call
    * (and typically the only call) to getDefaults(). 
    */
@@ -141,6 +157,18 @@ public abstract class LookAndFeel
   }
 
   /**
+   * Invoked when the user attempts an invalid operation. The default implement
+   * just beeps. Subclasses that wish to change this need to override this
+   * method.
+   *
+   * @param component the component the error occured in
+   */
+  public void provideErrorFeedback(Component component)
+  {
+    Toolkit.getDefaultToolkit().beep();
+  }
+
+  /**
    * Returns a string that displays and identifies this object's properties.
    *
    * @return the string "LookAndFeel"