sw/source/core/layout/swselectionlist.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <swselectionlist.hxx>
  21 #include <flyfrm.hxx>
  22 #include <ftnfrm.hxx>
  23
  24 /** This class is used as parameter for functions to create a rectangular text selection
  25 */
  26
  27 namespace {
  28
  29     /** Find the context of a given frame
  30
  31         A context is the environment where text is allowed to flow.
  32         The context is represented by
  33         - the SwRootFrame if the frame is part of a page body
  34         - the SwHeaderFrame if the frame is part of a page header
  35         - the SwFooterFrame if the frame is part of a page footer
  36         - the (master) SwFootnoteFrame if the frame is part of footnote
  37         - the (first) SwFlyFrame if the frame is part of a (linked) fly frame
  38
  39         @param pFrame
  40         the given frame
  41
  42         @return the context of the frame, represented by a SwFrame*
  43     */
  44     const SwFrame* getContext( const SwFrame* pFrame )
  45     {
  46         while( pFrame )
  47         {
  48             if( pFrame->IsRootFrame() || pFrame->IsHeaderFrame() || pFrame->IsFooterFrame() )
  49                 break;
  50             if( pFrame->IsFlyFrame() )
  51             {
  52                 const SwFlyFrame* pFly = static_cast<const SwFlyFrame*>( pFrame );
  53                 while( pFly->GetPrevLink() )
  54                     pFly = pFly->GetPrevLink();
  55                 break;
  56             }
  57             if( pFrame->IsFootnoteFrame() )
  58             {
  59                 const SwFootnoteFrame* pFootnote = static_cast<const SwFootnoteFrame*>( pFrame );
  60                 while( pFootnote->GetMaster() )
  61                     pFootnote = pFootnote->GetMaster();
  62                 break;
  63             }
  64             pFrame = pFrame->GetUpper();
  65         }
  66         return pFrame;
  67     }
  68 }
  69
  70 SwSelectionList::SwSelectionList( const SwFrame* pInitCxt ) :
  71     m_pContext( getContext( pInitCxt ) )
  72 {
  73 }
  74
  75 bool SwSelectionList::checkContext( const SwFrame* pCheck )
  76 {
  77     pCheck = getContext( pCheck );
  78     if( !m_pContext )
  79         m_pContext = pCheck;
  80     return m_pContext == pCheck;
  81 }
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */