make a wrapper

platform/platform-api/src/com/intellij/ui/PaintingParent.java

@@ -17,23 +17,42 @@ package com.intellij.ui;
 
 import org.jetbrains.annotations.Nullable;
 
+import javax.swing.*;
 import java.awt.*;
 
 /**
- * Used for deferred re-painting (i.e. for deferred icons). As a paint() method is invoked through the normal AWT painting cycle, deferred painting
- * of children may be queued. It means that actual data used for painting is pushed for calculation and, as it gets ready, there is need for repaint.
- * The target component for further repaint() is either the component that was originally exposed to painting or, if it's no longer showing (in case of a flyweight
+ * Used for deferred re-painting (i.e. for deferred icons). As a paint() method
+ * is invoked through the normal AWT painting cycle, deferred painting of
+ * children may be queued. It means that actual data used for painting is pushed
+ * for calculation and, as it gets ready, there is need for repaint.
+ *
+ * The target component for further repaint() is either the component that was
+ * originally exposed to painting or, if it's no longer showing (in case of a flyweight
  * renderer) -- the first component up in the hierarchy that implements PaintingParent.
  *
+ * @author Kirill Kalishev
+ * @author Konstantin Bulenkov
  */
 public interface PaintingParent {
 
   /**
    * Returns rectangle of a child component for further repainting
-   * @param c
-   * @return a rectange, if null -- the whole component will be repainted
+   * @param c a component
+   * @return a rectangle, if null -- the whole component will be repainted
    */
   @Nullable
   Rectangle getChildRec(Component c);
 
+  class Wrapper extends JPanel implements PaintingParent {
+    public Wrapper(Component component) {
+      super(new BorderLayout(0,0));
+      add(component);
+    }
+
+    @Override
+    public Rectangle getChildRec(Component c) {
+      return null;
+    }
+  }
+
 }