/usr/include/wx-3.0/wx/windowptr.h is in wx3.0-headers 3.0.4+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// 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_
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