/usr/include/wx-3.0/wx/persist/window.h is in wx3.0-headers 3.0.0-2.
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/persist/window.h
// Purpose: wxPersistentWindow declaration
// Author: Vadim Zeitlin
// Created: 2009-01-23
// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PERSIST_WINDOW_H_
#define _WX_PERSIST_WINDOW_H_
#include "wx/persist.h"
#include "wx/window.h"
// ----------------------------------------------------------------------------
// wxPersistentWindow: base class for persistent windows, uses the window name
// as persistent name by default and automatically reacts
// to the window destruction
// ----------------------------------------------------------------------------
// type-independent part of wxPersistentWindow
class wxPersistentWindowBase :
wxBIND_OR_CONNECT_HACK_BASE_CLASS
public wxPersistentObject
{
public:
wxPersistentWindowBase(wxWindow *win)
: wxPersistentObject(win)
{
wxBIND_OR_CONNECT_HACK(win, wxEVT_DESTROY, wxWindowDestroyEventHandler,
wxPersistentWindowBase::HandleDestroy, this);
}
virtual wxString GetName() const
{
const wxString name = GetWindow()->GetName();
wxASSERT_MSG( !name.empty(), "persistent windows should be named!" );
return name;
}
protected:
wxWindow *GetWindow() const { return static_cast<wxWindow *>(GetObject()); }
private:
void HandleDestroy(wxWindowDestroyEvent& event)
{
event.Skip();
// only react to the destruction of this object itself, not of any of
// its children
if ( event.GetEventObject() == GetObject() )
{
// this will delete this object itself
wxPersistenceManager::Get().SaveAndUnregister(GetWindow());
}
}
wxDECLARE_NO_COPY_CLASS(wxPersistentWindowBase);
};
template <class T>
class wxPersistentWindow : public wxPersistentWindowBase
{
public:
typedef T WindowType;
wxPersistentWindow(WindowType *win)
: wxPersistentWindowBase(win)
{
}
WindowType *Get() const { return static_cast<WindowType *>(GetWindow()); }
};
#endif // _WX_PERSIST_WINDOW_H_
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