43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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// This class implements a tree header that can operate in one of three states, in
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// the following order:
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//
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// - no sort (natural order)
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// - sort forwards
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// - sort backwards
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//
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// When it reaches the end, it cycles back to the start (no sort).
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#pragma once
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#include "LTableViewHeader.h"
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class CTriStateTableHeader : public LTableViewHeader
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{
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public:
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CTriStateTableHeader(LStream* inStream);
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virtual ~CTriStateTableHeader();
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protected:
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bool CycleSortDirection ( ColumnIndexT & ioColumn ) ;
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}; // class CTriStateTableHeader
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