/usr/include/wx-3.0/wx/persist/treebook.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/treebook.h
// Purpose: persistence support for wxBookCtrl
// Author: Vadim Zeitlin
// Created: 2009-01-19
// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PERSIST_TREEBOOK_H_
#define _WX_PERSIST_TREEBOOK_H_
#include "wx/persist/bookctrl.h"
#include "wx/arrstr.h"
#include "wx/treebook.h"
// ----------------------------------------------------------------------------
// string constants used by wxPersistentTreeBookCtrl
// ----------------------------------------------------------------------------
#define wxPERSIST_TREEBOOK_KIND "TreeBook"
// this key contains the indices of all expanded nodes in the tree book
// separated by wxPERSIST_TREEBOOK_EXPANDED_SEP
#define wxPERSIST_TREEBOOK_EXPANDED_BRANCHES "Expanded"
#define wxPERSIST_TREEBOOK_EXPANDED_SEP ','
// ----------------------------------------------------------------------------
// wxPersistentTreeBookCtrl: supports saving/restoring open tree branches
// ----------------------------------------------------------------------------
class wxPersistentTreeBookCtrl : public wxPersistentBookCtrl
{
public:
wxPersistentTreeBookCtrl(wxTreebook *book)
: wxPersistentBookCtrl(book)
{
}
virtual void Save() const
{
const wxTreebook * const book = GetTreeBook();
wxString expanded;
const size_t count = book->GetPageCount();
for ( size_t n = 0; n < count; n++ )
{
if ( book->IsNodeExpanded(n) )
{
if ( !expanded.empty() )
expanded += wxPERSIST_TREEBOOK_EXPANDED_SEP;
expanded += wxString::Format("%u", static_cast<unsigned>(n));
}
}
SaveValue(wxPERSIST_TREEBOOK_EXPANDED_BRANCHES, expanded);
wxPersistentBookCtrl::Save();
}
virtual bool Restore()
{
wxTreebook * const book = GetTreeBook();
wxString expanded;
if ( RestoreValue(wxPERSIST_TREEBOOK_EXPANDED_BRANCHES, &expanded) )
{
const wxArrayString
indices(wxSplit(expanded, wxPERSIST_TREEBOOK_EXPANDED_SEP));
const size_t pageCount = book->GetPageCount();
const size_t count = indices.size();
for ( size_t n = 0; n < count; n++ )
{
unsigned long idx;
if ( indices[n].ToULong(&idx) && idx < pageCount )
book->ExpandNode(idx);
}
}
return wxPersistentBookCtrl::Restore();
}
virtual wxString GetKind() const { return wxPERSIST_TREEBOOK_KIND; }
wxTreebook *GetTreeBook() const { return static_cast<wxTreebook *>(Get()); }
};
inline wxPersistentObject *wxCreatePersistentObject(wxTreebook *book)
{
return new wxPersistentTreeBookCtrl(book);
}
#endif // _WX_PERSIST_TREEBOOK_H_
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