sw/source/core/crsr/findfmt.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 <pamtyp.hxx>
  21 #include <pam.hxx>
  22 #include <txtfrm.hxx>
  23 #include <ndtxt.hxx>
  24 #include <memory>
  25
  26 namespace sw {
  27
  28 bool FindFormatImpl(SwPaM & rSearchPam,
  29         const SwFormat& rFormat, SwMoveFnCollection const & fnMove,
  30         const SwPaM &rRegion, bool bInReadOnly,
  31         SwRootFrame const*const pLayout)
  32 {
  33     bool bFound = false;
  34     const bool bSrchForward = &fnMove == &fnMoveForward;
  35     std::optional<SwPaM> oPam;
  36     MakeRegion( fnMove, rRegion, oPam );
  37
  38     // if at beginning/end then move it out of the node
  39     if( bSrchForward
  40         ? oPam->GetPoint()->GetContentIndex() == oPam->GetPointContentNode()->Len()
  41         : !oPam->GetPoint()->GetContentIndex() )
  42     {
  43         if( !(*fnMove.fnPos)( oPam->GetPoint(), false ))
  44         {
  45             return false;
  46         }
  47         SwContentNode *pNd = oPam->GetPoint()->GetNode().GetContentNode();
  48         oPam->GetPoint()->SetContent( bSrchForward ? 0 : pNd->Len() );
  49     }
  50
  51     bool bFirst = true;
  52     SwContentNode* pNode;
  53     while (nullptr != (pNode = ::GetNode(*oPam, bFirst, fnMove, bInReadOnly, pLayout)))
  54     {
  55         SwTextFrame const*const pFrame(pLayout && pNode->IsTextNode()
  56             ? static_cast<SwTextFrame const*>(pNode->getLayoutFrame(pLayout))
  57             : nullptr);
  58         assert(!pLayout || !pNode->IsTextNode() || pFrame);
  59         SwContentNode const& rPropsNode(*(pFrame
  60             ? pFrame->GetTextNodeForParaProps()
  61             : pNode));
  62
  63         if (rPropsNode.GetFormatColl() == &rFormat)
  64         {
  65             // if a FormatCollection is found then it is definitely a SwContentNode
  66
  67             // FORWARD:  SPoint at the end, GetMark at the beginning of the node
  68             // BACKWARD: SPoint at the beginning, GetMark at the end of the node
  69             // always: incl. start and incl. end
  70             if (pFrame)
  71             {
  72                 *rSearchPam.GetPoint() = *oPam->GetPoint();
  73                 rSearchPam.SetMark();
  74                 *rSearchPam.GetMark() = pFrame->MapViewToModelPos(
  75                     TextFrameIndex(bSrchForward ? pFrame->GetText().getLength() : 0));
  76             }
  77             else
  78             {
  79                 *rSearchPam.GetPoint() = *oPam->GetPoint();
  80                 rSearchPam.SetMark();
  81                 rSearchPam.GetPoint()->SetContent(pNode->Len());
  82                 rSearchPam.GetMark()->SetContent(0);
  83             }
  84
  85             // if backward search, switch point and mark
  86             if( !bSrchForward )
  87                 rSearchPam.Exchange();
  88
  89             bFound = true;
  90             break;
  91         }
  92     }
  93     return bFound;
  94 }
  95
  96 }
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */