fix grey bg

platform/platform-api/src/com/intellij/ui/treeStructure/SimpleTree.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2011 JetBrains s.r.o.
+ * Copyright 2000-2012 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -256,6 +256,11 @@ public class SimpleTree extends Tree implements CellEditorListener {
     return true;
   }
 
+  @Override
+  public final boolean isFileColorsEnabled() {
+    return false;
+  }
+
   @Override
   protected boolean paintNodes() {
     return true;

platform/platform-api/src/com/intellij/ui/treeStructure/Tree.java

@@ -283,10 +283,13 @@ public class Tree extends JTree implements ComponentWithEmptyText, ComponentWith
     }
 
     if (isFileColorsEnabled()) {
+      g.setColor(getBackground());
+      g.fillRect(0, 0, getWidth(), getHeight());
+
       paintFileColorGutter(g);
     }
 
-    super.paintComponent(g);
+    super.paintComponent(new Graphics2DLog(g));
     myEmptyText.paint(this, g);
   }