64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef INCLUDED_SW_SOURCE_UIBASE_INC_NAVMGR_HXX
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#define INCLUDED_SW_SOURCE_UIBASE_INC_NAVMGR_HXX
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#include <vector>
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#include <memory>
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#include "swtypes.hxx"
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#include "calbck.hxx"
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#include "unocrsr.hxx"
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#include "vcl/svapp.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< sw::UnoCursorPointer > 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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virtual ~SwNavigationMgr()
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{
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SolarMutexGuard g;
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m_entries.clear();
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}
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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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