Add wx headers and ext

wxheaders/wx/qt/msgdlg.h

@@ -0,0 +1,31 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/qt/msgdlg.h
+// Author:      Peter Most, Javier Torres
+// Copyright:   (c) Peter Most, Javier Torres
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_QT_MSGDLG_H_
+#define _WX_QT_MSGDLG_H_
+
+#include "wx/msgdlg.h"
+
+class QMessageBox;
+
+class WXDLLIMPEXP_CORE wxMessageDialog : public wxMessageDialogBase
+{
+public:
+    wxMessageDialog(wxWindow *parent, const wxString& message,
+                    const wxString& caption = wxASCII_STR(wxMessageBoxCaptionStr),
+                    long style = wxOK|wxCENTRE,
+                    const wxPoint& pos = wxDefaultPosition);
+    virtual ~wxMessageDialog();
+
+    // Reimplemented to translate return codes from Qt to wx
+    virtual int ShowModal() wxOVERRIDE;
+
+private:
+    wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxMessageDialog);
+};
+
+#endif // _WX_QT_MSGDLG_H_