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

/////////////////////////////////////////////////////////////////////////////
// Name:        sysopt.h
// Purpose:     wxSystemOptions
// Author:      Julian Smart
// Modified by:
// Created:     2001-07-10
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_SYSOPT_H_
#define _WX_SYSOPT_H_

#include "wx/object.h"

// ----------------------------------------------------------------------------
// Enables an application to influence the wxWidgets implementation
// ----------------------------------------------------------------------------

class
#if wxUSE_SYSTEM_OPTIONS
WXDLLIMPEXP_BASE
#endif
wxSystemOptions : public wxObject
{
public:
    wxSystemOptions() { }

    // User-customizable hints to wxWidgets or associated libraries
    // These could also be used to influence GetSystem... calls, indeed
    // to implement SetSystemColour/Font/Metric

#if wxUSE_SYSTEM_OPTIONS
    static void SetOption(const wxString& name, const wxString& value);
    static void SetOption(const wxString& name, int value);
#endif // wxUSE_SYSTEM_OPTIONS
    static wxString GetOption(const wxString& name);
    static int GetOptionInt(const wxString& name);
    static bool HasOption(const wxString& name);

    static bool IsFalse(const wxString& name)
    {
        return HasOption(name) && GetOptionInt(name) == 0;
    }
};

#if !wxUSE_SYSTEM_OPTIONS

// define inline stubs for accessors to make it possible to use wxSystemOptions
// in the library itself without checking for wxUSE_SYSTEM_OPTIONS all the time

/* static */ inline
wxString wxSystemOptions::GetOption(const wxString& WXUNUSED(name))
{
    return wxEmptyString;
}

/* static */ inline
int wxSystemOptions::GetOptionInt(const wxString& WXUNUSED(name))
{
    return 0;
}

/* static */ inline
bool wxSystemOptions::HasOption(const wxString& WXUNUSED(name))
{
    return false;
}

#endif // !wxUSE_SYSTEM_OPTIONS

#endif
    // _WX_SYSOPT_H_