95 lines
3.2 KiB
C++
95 lines
3.2 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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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <rtl/ustring.hxx>
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#include <memory>
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#include <vector>
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#include <utility>
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namespace basegfx {
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class B2DRange;
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}
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/* Definition of HyperlinkArea interface */
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namespace slideshow::internal
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{
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/** HyperlinkArea interface
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Implementers of this interface provide information for
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hyperlink sensitive areas.
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*/
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class HyperlinkArea
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{
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public:
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typedef std::pair< ::basegfx::B2DRange,
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OUString > HyperlinkRegion;
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typedef std::vector<HyperlinkRegion> HyperlinkRegions;
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/** Request hyperlink-sensitive areas.
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@return a vector of hyperlink-sensitive areas, plus
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the URI associated to them.
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*/
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virtual HyperlinkRegions getHyperlinkRegions() const = 0;
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/** Retrieve priority of link area
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@return the priority of the link area. Link areas with
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higher priority will receive hyperlink clicks in favor
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of areas with less priority, if they cover the same
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place on screen.
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*/
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virtual double getHyperlinkPriority() const = 0;
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/** Functor struct, for area ordering
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This defines a strict weak ordering of areas, sort key
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is the object ptr value. Most typical use is for
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associative containers holding areas.
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*/
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struct lessThanArea
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{
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// make functor adaptable (to boost::bind)
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typedef bool result_type;
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bool operator()(const std::shared_ptr< HyperlinkArea >& rLHS,
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const std::shared_ptr< HyperlinkArea >& rRHS) const
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{
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const double nPrioL( rLHS->getHyperlinkPriority() );
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const double nPrioR( rRHS->getHyperlinkPriority() );
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// if prios are equal, tie-break on ptr value
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return nPrioL == nPrioR ? rLHS.get() < rRHS.get() : nPrioL < nPrioR;
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}
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};
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protected:
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~HyperlinkArea() {}
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};
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typedef std::shared_ptr< HyperlinkArea > HyperlinkAreaSharedPtr;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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