add HDF_SORTUP/DOWN definitions

[wxWidgets.git] / include / wx / scrolwin.h

diff --git a/include/wx/scrolwin.h b/include/wx/scrolwin.h
index c27b7fa8307d5f705e3d05b02fbed3cc2968599d..e7660e93eacf61be5a2ae19d6a442a28c447aece 100644 (file)
--- a/include/wx/scrolwin.h
+++ b/include/wx/scrolwin.h
@@ -14,8 +14,8 @@
 
 #include "wx/panel.h"
 
-class WXDLLEXPORT wxScrollHelperEvtHandler;
-class WXDLLEXPORT wxTimer;
+class WXDLLIMPEXP_FWD_CORE wxScrollHelperEvtHandler;
+class WXDLLIMPEXP_FWD_CORE wxTimer;
 
 // default scrolled window style: scroll in both directions
 #define wxScrolledWindowStyle (wxHSCROLL | wxVSCROLL)
@@ -68,6 +68,10 @@ public:
     int GetScrollPageSize(int orient) const;
     void SetScrollPageSize(int orient, int pageSize);
 
+    // get the number of lines the window can scroll, 
+    // returns 0 if no scrollbars are there.
+    int GetScrollLines( int orient ) const;
+
     // Set the x, y scrolling increments.
     void SetScrollRate( int xstep, int ystep );
 
@@ -177,7 +181,7 @@ protected:
                                          : m_targetWindow->GetClientSize();
     }
 
-    void GetTargetSize(int *w, int *h)
+    void GetTargetSize(int *w, int *h) const
     {
         wxSize size = GetTargetSize();
         if ( w )