sw/source/core/layout/swselectionlist.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sw.hxx"
  33
  34 #include <swselectionlist.hxx>
  35 #include <layfrm.hxx>
  36 #include <flyfrm.hxx>
  37 #include <ftnfrm.hxx>
  38
  39 /** This class is used as parameter for functions to create a rectangular text selection
  40 */
  41
  42 namespace {
  43
  44     /** Find the context of a given frame
  45
  46         A context is the environment where text is allowed to flow.
  47         The context is represented by
  48         - the SwRootFrm if the frame is part of a page body
  49         - the SwHeaderFrm if the frame is part of a page header
  50         - the SwFooterFrm if the frame is part of a page footer
  51         - the (master) SwFtnFrm if the frame is part of footnote
  52         - the (first) SwFlyFrm if the frame is part of a (linked) fly frame
  53
  54         @param pFrm
  55         the given frame
  56
  57         @return the context of the frame, represented by a SwFrm*
  58     */
  59     const SwFrm* getContext( const SwFrm* pFrm )
  60     {
  61         while( pFrm )
  62         {
  63             if( pFrm->IsRootFrm() || pFrm->IsHeaderFrm() || pFrm->IsFooterFrm() )
  64                 break;
  65             if( pFrm->IsFlyFrm() )
  66             {
  67                 const SwFlyFrm* pFly = static_cast<const SwFlyFrm*>( pFrm );
  68                 while( pFly->GetPrevLink() )
  69                     pFly = pFly->GetPrevLink();
  70                 break;
  71             }
  72             if( pFrm->IsFtnFrm() )
  73             {
  74                 const SwFtnFrm* pFtn = static_cast<const SwFtnFrm*>( pFrm );
  75                 while( pFtn->GetMaster() )
  76                     pFtn = pFtn->GetMaster();
  77                 break;
  78             }
  79             pFrm = pFrm->GetUpper();
  80         }
  81         return pFrm;
  82     }
  83 }
  84
  85 SwSelectionList::SwSelectionList( const SwFrm* pInitCxt ) :
  86     pContext( getContext( pInitCxt ) )
  87 {
  88 }
  89
  90 bool SwSelectionList::checkContext( const SwFrm* pCheck )
  91 {
  92     pCheck = getContext( pCheck );
  93     if( !pContext )
  94         pContext = pCheck;
  95     return pContext == pCheck;
  96 }
  97