wxWidgets/include/wx/windowptr.h
Václav Slavík c80d4c1e20 Add wxWindowPtr smart pointer.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74774 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2013-09-06 17:09:16 +00:00

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1.5 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/windowptr.h
// Purpose: smart pointer for holding wxWindow instances
// Author: Vaclav Slavik
// Created: 2013-09-01
// Copyright: (c) 2013 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WINDOWPTR_H_
#define _WX_WINDOWPTR_H_
#include "wx/sharedptr.h"
// ----------------------------------------------------------------------------
// wxWindowPtr: A smart pointer with correct wxWindow destruction.
// ----------------------------------------------------------------------------
namespace wxPrivate
{
struct wxWindowDeleter
{
void operator()(wxWindow *win)
{
win->Destroy();
}
};
} // namespace wxPrivate
template<typename T>
class wxWindowPtr : public wxSharedPtr<T>
{
public:
typedef T element_type;
wxEXPLICIT wxWindowPtr(element_type* win)
: wxSharedPtr<T>(win, wxPrivate::wxWindowDeleter())
{
}
wxWindowPtr() {}
wxWindowPtr(const wxWindowPtr& tocopy) : wxSharedPtr<T>(tocopy) {}
wxWindowPtr& operator=(const wxWindowPtr& tocopy)
{
wxSharedPtr<T>::operator=(tocopy);
return *this;
}
wxWindowPtr& operator=(element_type* win)
{
return operator=(wxWindowPtr(win));
}
void reset(T* ptr = NULL)
{
wxSharedPtr<T>::reset(ptr, wxPrivate::wxWindowDeleter());
}
};
#endif // _WX_WINDOWPTR_H_