1 files changed, 2 insertions, 0 deletions
diff --git a/muse2/muse/app.h b/muse2/muse/app.h
index a070c864..d71d947b 100644
--- a/muse2/muse/app.h
+++ b/muse2/muse/app.h
@@ -329,6 +329,8 @@ class MusE : public QMainWindow
       void startMidiTransformer();
       
       void focusChanged(QWidget* old, QWidget* now);
+      
+      void addMdiSubWindow(QMdiSubWindow*);
 
    public:
       MusE(int argc, char** argv);