77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* Version: MPL 1.1 / GPLv3+ / LGPLv3+
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Initial Developer of the Original Code is
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* [ Maja Djordjevic < ovcica@gmail.com > ]
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* Portions created by the Initial Developer are Copyright (C) 2010 the
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* Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Cédric Bosdonnat <cbosdonnat@novell.com>
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* Caolan McNamara <caolanm@redhat.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
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* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
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* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
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* instead of those above.
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*/
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#ifndef SW_NAVMGR_HXX
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#define SW_NAVMGR_HXX
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#include <vector>
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#include <boost/shared_ptr.hpp>
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#include "swtypes.hxx"
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class SwWrtShell;
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struct SwPosition;
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class SwUnoCrsr;
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class SwNavigationMgr
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{
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private:
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/*
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* List of entries in the navigation history
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* Entries are SwUnoCrsr because thos gets corrected automatically
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* when nodes are deleted.
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*
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* The navigation history behaves as a stack, to which items are added when we jump to a new position
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* (e.g. click a link, or double click an entry from the navigator).
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* Every use of the back/forward buttons results in moving the stack pointer within the navigation history
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*/
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typedef ::std::vector< ::boost::shared_ptr<SwUnoCrsr> > Stack_t;
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Stack_t m_entries;
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Stack_t::size_type m_nCurrent; /* Current position within the navigation history */
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SwWrtShell & m_rMyShell; /* The active shell within which the navigation occurs */
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void GotoSwPosition(const SwPosition &rPos);
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public:
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/* Constructor that initializes the shell to the current shell */
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SwNavigationMgr( SwWrtShell & rShell );
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/* Can we go back in the history ? */
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bool backEnabled() ;
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/* Can we go forward in the history ? */
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bool forwardEnabled();
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/* The method that is called when we click the back button */
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void goBack() ;
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/* The method that is called when we click the forward button */
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void goForward() ;
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/* The method that adds the position pPos to the navigation history */
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bool addEntry(const SwPosition& rPos);
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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