http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/include/wx/validate.h

@@ -0,0 +1,98 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/validate.h
+// Purpose:     wxValidator class
+// Author:      Julian Smart
+// Modified by:
+// Created:     29/01/98
+// RCS-ID:      $Id: validate.h 53135 2008-04-12 02:31:04Z VZ $
+// Copyright:   (c) 1998 Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_VALIDATE_H_
+#define _WX_VALIDATE_H_
+
+#include "wx/defs.h"
+
+#if wxUSE_VALIDATORS
+
+#include "wx/event.h"
+
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
+
+/*
+ A validator has up to three purposes:
+
+ 1) To validate the data in the window that's associated
+    with the validator.
+ 2) To transfer data to and from the window.
+ 3) To filter input, using its role as a wxEvtHandler
+    to intercept e.g. OnChar.
+
+ Note that wxValidator and derived classes use reference counting.
+*/
+
+class WXDLLEXPORT wxValidator : public wxEvtHandler
+{
+public:
+    wxValidator();
+    virtual ~wxValidator();
+
+    // Make a clone of this validator (or return NULL) - currently necessary
+    // if you're passing a reference to a validator.
+    // Another possibility is to always pass a pointer to a new validator
+    // (so the calling code can use a copy constructor of the relevant class).
+    virtual wxObject *Clone() const
+        { return (wxValidator *)NULL; }
+    bool Copy(const wxValidator& val)
+        { m_validatorWindow = val.m_validatorWindow; return true; }
+
+    // Called when the value in the window must be validated.
+    // This function can pop up an error message.
+    virtual bool Validate(wxWindow *WXUNUSED(parent)) { return false; }
+
+    // Called to transfer data to the window
+    virtual bool TransferToWindow() { return false; }
+
+    // Called to transfer data from the window
+    virtual bool TransferFromWindow() { return false; }
+
+    // accessors
+    wxWindow *GetWindow() const { return (wxWindow *)m_validatorWindow; }
+    void SetWindow(wxWindowBase *win) { m_validatorWindow = win; }
+
+    // validators beep by default if invalid key is pressed, these functions
+    // allow to change it
+    static bool IsSilent() { return ms_isSilent; }
+    static void SetBellOnError(bool doIt = true) { ms_isSilent = doIt; }
+
+protected:
+    wxWindowBase *m_validatorWindow;
+
+private:
+    static bool ms_isSilent;
+
+    DECLARE_DYNAMIC_CLASS(wxValidator)
+    DECLARE_NO_COPY_CLASS(wxValidator)
+};
+
+extern WXDLLEXPORT_DATA(const wxValidator) wxDefaultValidator;
+
+#define wxVALIDATOR_PARAM(val) val
+
+#else // !wxUSE_VALIDATORS
+    // wxWidgets is compiled without support for wxValidator, but we still
+    // want to be able to pass wxDefaultValidator to the functions which take
+    // a wxValidator parameter to avoid using "#if wxUSE_VALIDATORS"
+    // everywhere
+    class WXDLLEXPORT wxValidator;
+    #define wxDefaultValidator (*((wxValidator *)NULL))
+
+    // this macro allows to avoid warnings about unused parameters when
+    // wxUSE_VALIDATORS == 0
+    #define wxVALIDATOR_PARAM(val)
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
+
+#endif // _WX_VALIDATE_H_
+