Fixing the widget factory for tree views.

widget/src/windows/nsWidgetFactory.cpp

@@ -44,6 +44,7 @@
 #include "nsMenuItem.h"
 #include "nsPopUpMenu.h"
 #include "nsImageButton.h"
+#include "nsTreeView.h"
 #include "nsMenuButton.h"
 #include "nsToolbar.h"
 #include "nsToolbarManager.h"
@@ -79,6 +80,7 @@ static NS_DEFINE_IID(kCToolBarManager,  NS_TOOLBARMANAGER_CID);
 static NS_DEFINE_IID(kCToolBarItemHolder,  NS_TOOLBARITEMHOLDER_CID);
 static NS_DEFINE_IID(kCPopUpMenu,     NS_POPUPMENU_CID);
 static NS_DEFINE_IID(kCMenuButton,     NS_MENUBUTTON_CID);
+static NS_DEFINE_IID(kCTreeView, NS_TREEVIEW_CID);
 
 static NS_DEFINE_IID(kISupportsIID,   NS_ISUPPORTS_IID);
 static NS_DEFINE_IID(kIFactoryIID,    NS_IFACTORY_IID);
@@ -242,7 +244,11 @@ nsresult nsWidgetFactory::CreateInstance( nsISupports* aOuter,
     }
     else if (mClassID.Equals(kCPopUpMenu)) {
         inst = (nsISupports*)new nsPopUpMenu();
-    }/* */
+    }
+	else if (mClassID.Equals(kCTreeView)) {
+		inst = (nsISupports*)(nsWindow*)new nsTreeView();
+	}
+	/* */
   
     if (inst == NULL) {  
         return NS_ERROR_OUT_OF_MEMORY;