From 5ca73da7b3e14153bb9f3bd17a64ced4874cc43d Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Sun, 6 Mar 2016 22:22:22 +0000
Subject: Driver-based Fl_Double_Window implementation - continued.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11304 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 FL/Fl_Double_Window.H | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'FL/Fl_Double_Window.H')

diff --git a/FL/Fl_Double_Window.H b/FL/Fl_Double_Window.H
index 46dd106f2..4ffcb65d1 100644
--- a/FL/Fl_Double_Window.H
+++ b/FL/Fl_Double_Window.H
@@ -23,6 +23,7 @@
 #define Fl_Double_Window_H
 
 #include "Fl_Window.H"
+class Fl_Overlay_Window;
 
 /**
   The Fl_Double_Window provides a double-buffered window.
@@ -44,8 +45,8 @@ public:
   /**
     Return non-null if this is an Fl_Overlay_Window object.
   */
-  virtual Fl_Double_Window *as_overlay_window() {return NULL; }
-public:
+  virtual Fl_Overlay_Window *as_overlay_window() {return NULL; }
+  virtual Fl_Double_Window *as_double_window() {return this; }
   void show();
   void show(int a, char **b) {Fl_Window::show(a,b);}
   void flush();
-- 
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