Resolve GCC's 'type-punned pointer will break strict-aliasing rules' warning by break...

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

diff --git a/include/wx/scrolwin.h b/include/wx/scrolwin.h
index af3ef755d5385de03b416f8b760cd1897477e244..1b41c43d9bd102b3b6119897a57e63c484dde4ab 100644 (file)
--- a/include/wx/scrolwin.h
+++ b/include/wx/scrolwin.h
@@ -290,7 +290,7 @@ protected:
 
     wxScrollHelperEvtHandler *m_handler;
 
-    DECLARE_NO_COPY_CLASS(wxScrollHelperBase)
+    wxDECLARE_NO_COPY_CLASS(wxScrollHelperBase);
 };
 
 // this macro can be used in a wxScrollHelper-derived class to forward wxWindow
@@ -333,9 +333,9 @@ struct WXDLLIMPEXP_CORE wxScrolledT_Helper
 // but wxScrolledWindow includes wxControlContainer functionality and that's
 // not always desirable.
 template<class T>
-class WXDLLIMPEXP_CORE wxScrolled : public T,
-                                    public wxScrollHelper,
-                                    private wxScrolledT_Helper
+class wxScrolled : public T,
+                   public wxScrollHelper,
+                   private wxScrolledT_Helper
 {
 public:
     wxScrolled() : wxScrollHelper(this) { }
@@ -404,16 +404,17 @@ private:
 
     // VC++ 6 gives warning for the declaration of template member function
     // without definition
-#if !defined(__VISUALC__) || wxCHECK_VISUALC_VERSION(7)
-    DECLARE_NO_COPY_CLASS(wxScrolled)
+#ifndef __VISUALC6__
+    wxDECLARE_NO_COPY_CLASS(wxScrolled);
 #endif
 };
 
-// VC++ <= 6 requires this; it's unlikely any other specializations would
-// be needed by user code _and_ they were using VC6, so we list only wxWindow
-// (typical use) and wxPanel (wxScrolledWindow use) specializations here
-WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE( wxScrolled<wxPanel> )
-WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE( wxScrolled<wxWindow> )
+#ifdef __VISUALC6__
+    // disable the warning about non dll-interface class used as base for
+    // dll-interface class: it's harmless in this case
+    #pragma warning(push)
+    #pragma warning(disable:4275)
+#endif
 
 // for compatibility with existing code, we provide wxScrolledWindow
 // "typedef" for wxScrolled<wxPanel>. It's not a real typedef because we
@@ -436,4 +437,8 @@ public:
 
 typedef wxScrolled<wxWindow> wxScrolledCanvas;
 
+#ifdef __VISUALC6__
+    #pragma warning(pop)
+#endif
+
 #endif // _WX_SCROLWIN_H_BASE_