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/////////////////////////////////////////////////////////////////////////////
// Name: wx/systhemectrl.h
// Purpose: Class to make controls appear in the systems theme
// Author: Tobias Taschner
// Created: 2014-08-14
// Copyright: (c) 2014 wxWidgets development team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_SYSTHEMECTRL_H
#define _WX_SYSTHEMECTRL_H
#include "wx/defs.h"
#if defined(__WXMSW__) && wxUSE_UXTHEME && !defined(__WXUNIVERSAL__)
#define wxHAS_SYSTEM_THEMED_CONTROL
#endif
class WXDLLIMPEXP_FWD_CORE wxWindow;
class WXDLLIMPEXP_CORE wxSystemThemedControlBase
{
public:
wxSystemThemedControlBase()
{
#ifdef wxHAS_SYSTEM_THEMED_CONTROL
m_systemThemeDisabled = false;
#endif // wxHAS_SYSTEM_THEMED_CONTROL
}
bool IsSystemThemeDisabled() const
{
#ifdef wxHAS_SYSTEM_THEMED_CONTROL
return m_systemThemeDisabled;
#else // !wxHAS_SYSTEM_THEMED_CONTROL
return false;
#endif // wxHAS_SYSTEM_THEMED_CONTROL/!wxHAS_SYSTEM_THEMED_CONTROL
}
virtual ~wxSystemThemedControlBase() { }
protected:
// This method is virtual and can be overridden, e.g. composite controls do
// it to enable the system theme for all of their parts.
virtual void DoEnableSystemTheme
#ifdef wxHAS_SYSTEM_THEMED_CONTROL
// Only __WXMSW__ has a non-trivial implementation currently.
(bool enable, wxWindow* window);
#else
(bool WXUNUSED(enable), wxWindow* WXUNUSED(window)) { }
#endif // wxHAS_SYSTEM_THEMED_CONTROL
private:
#ifdef wxHAS_SYSTEM_THEMED_CONTROL
bool m_systemThemeDisabled;
#endif // wxHAS_SYSTEM_THEMED_CONTROL
wxDECLARE_NO_COPY_CLASS(wxSystemThemedControlBase);
};
// This class used CRTP, i.e. it should be instantiated for the real base class
// and inherited from.
template <class C>
class wxSystemThemedControl : public C,
public wxSystemThemedControlBase
{
public:
wxSystemThemedControl() { }
void EnableSystemTheme(bool enable = true)
{
DoEnableSystemTheme(enable, this);
}
protected:
void EnableSystemThemeByDefault()
{
// Check if the system theme hadn't been explicitly disabled before
// enabling it by default.
if ( !this->IsSystemThemeDisabled() )
DoEnableSystemTheme(true, this);
}
wxDECLARE_NO_COPY_TEMPLATE_CLASS(wxSystemThemedControl, C);
};
#endif // _WX_SYSTHEMECTRL_H
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