Add wx headers and ext

wxheaders/wx/msw/msgdlg.h

@@ -0,0 +1,74 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/msgdlg.h
+// Purpose:     wxMessageDialog class
+// Author:      Julian Smart
+// Modified by:
+// Created:     01/02/97
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_MSGBOXDLG_H_
+#define _WX_MSGBOXDLG_H_
+
+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& WXUNUSED(pos) = wxDefaultPosition)
+        : wxMessageDialogBase(parent, message, caption, style)
+    {
+        m_hook = NULL;
+    }
+
+    virtual int ShowModal() wxOVERRIDE;
+
+    virtual long GetEffectiveIcon() const wxOVERRIDE;
+
+    // implementation-specific
+
+    // return the font used for the text in the message box
+    static wxFont GetMessageFont();
+
+protected:
+    // Override this as task dialogs are always centered on parent.
+    virtual void DoCentre(int dir) wxOVERRIDE;
+
+private:
+    // hook procedure used to adjust the message box beyond what the standard
+    // MessageBox() function can do for us
+    static WXLRESULT wxCALLBACK HookFunction(int code, WXWPARAM, WXLPARAM);
+
+    static const struct ButtonAccessors
+    {
+        int id;
+        wxString (wxMessageDialog::*getter)() const;
+    } ms_buttons[];
+
+    // replace the static text control with a text control in order to show
+    // scrollbar (and also, incidentally, allow text selection)
+    void ReplaceStaticWithEdit();
+
+    // adjust the button labels
+    //
+    // this is called from HookFunction() and our HWND is valid at this moment
+    void AdjustButtonLabels();
+
+    // offset all buttons starting from the first one given by dx to the right
+    void OffsetButtonsStartingFrom(int first, int dx);
+
+    // used by ShowModal() to display a message box when task dialogs
+    // aren't available.
+    int ShowMessageBox();
+
+
+    WXHANDLE m_hook; // HHOOK used to position the message box
+
+    wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxMessageDialog);
+};
+
+
+#endif // _WX_MSGBOXDLG_H_