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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <com/sun/star/i18n/XBreakIterator.hpp>
#include <fmtcntnt.hxx>
#include <txatbase.hxx>
#include "callnk.hxx"
#include <crsrsh.hxx>
#include <doc.hxx>
#include <frmfmt.hxx>
#include <txtfrm.hxx>
#include <rowfrm.hxx>
#include <fmtfsize.hxx>
#include <ndtxt.hxx>
#include <flyfrm.hxx>
#include <breakit.hxx>
SwCallLink::SwCallLink( SwCursorShell & rSh )
: m_rShell( rSh )
{
// remember SPoint-values of current cursor
SwPaM* pCursor = m_rShell.IsTableMode() ? m_rShell.GetTableCrs() : m_rShell.GetCursor();
SwNode& rNd = pCursor->GetPoint()->nNode.GetNode();
m_nNode = rNd.GetIndex();
m_nContent = pCursor->GetPoint()->nContent.GetIndex();
m_nNodeType = rNd.GetNodeType();
m_bHasSelection = ( *pCursor->GetPoint() != *pCursor->GetMark() );
if( rNd.IsTextNode() )
m_nLeftFramePos = SwCallLink::getLayoutFrame( m_rShell.GetLayout(), *rNd.GetTextNode(), m_nContent,
!m_rShell.ActionPend() );
else
{
m_nLeftFramePos = 0;
// A special treatment for SwFeShell:
// When deleting the header/footer, footnotes SwFeShell sets the
// Cursor to NULL (Node + Content).
// If the Cursor is not on a ContentNode (ContentNode) this fact gets
// saved in nNdType.
if( SwNodeType::ContentMask & m_nNodeType )
m_nNodeType = SwNodeType::NONE;
}
}
static void lcl_notifyRow(const SwContentNode* pNode, SwCursorShell & rShell)
{
if ( !pNode )
return;
SwFrame *const pMyFrame = pNode->getLayoutFrame( rShell.GetLayout() );
if ( !pMyFrame )
return;
// We need to emulated a change of the row height in order
// to have the complete row redrawn
SwRowFrame *const pRow = pMyFrame->FindRowFrame();
if ( !pRow )
return;
const SwTableLine* pLine = pRow->GetTabLine( );
if (rShell.IsTableMode() || (rShell.StartsWithTable() && rShell.ExtendedSelectedAll()))
{
// If we have a table selection, then avoid the notification: it's not necessary (the text
// cursor needs no updating) and the notification may kill the selection overlay, leading to
// flicker.
// Same for whole-document selection when it starts with a table.
return;
}
SwFormatFrameSize aSize = pLine->GetFrameFormat()->GetFrameSize();
pRow->ModifyNotification(nullptr, &aSize);
}
SwCallLink::~SwCallLink() COVERITY_NOEXCEPT_FALSE
{
if( m_nNodeType == SwNodeType::NONE || !m_rShell.m_bCallChgLnk ) // see ctor
return ;
// If travelling over Nodes check formats and register them anew at the
// new Node.
SwPaM* pCurrentCursor = m_rShell.IsTableMode() ? m_rShell.GetTableCrs() : m_rShell.GetCursor();
SwContentNode * pCNd = pCurrentCursor->GetContentNode();
if( !pCNd )
return;
lcl_notifyRow(pCNd, m_rShell);
const SwDoc *pDoc=m_rShell.GetDoc();
const SwContentNode *pNode = nullptr;
if ( pDoc && m_nNode < pDoc->GetNodes( ).Count( ) )
{
pNode = pDoc->GetNodes()[m_nNode]->GetContentNode();
}
lcl_notifyRow(pNode, m_rShell);
sal_Int32 nCmp, nCurrentContent = pCurrentCursor->GetPoint()->nContent.GetIndex();
SwNodeType nNdWhich = pCNd->GetNodeType();
sal_uLong nCurrentNode = pCurrentCursor->GetPoint()->nNode.GetIndex();
// Register the Shell as dependent at the current Node. By doing this all
// attribute changes can be signaled over the link.
pCNd->Add( &m_rShell );
const bool bCurrentHasSelection = (*pCurrentCursor->GetPoint() != *pCurrentCursor->GetMark());
if( m_nNodeType != nNdWhich || m_nNode != nCurrentNode )
{
// Every time a switch between nodes occurs, there is a chance that
// new attributes do apply - meaning text-attributes.
// So the currently applying attributes would have to be determined.
// That can be done in one go by the handler.
m_rShell.CallChgLnk();
}
else if (m_bHasSelection != bCurrentHasSelection)
{
// always call change link when selection changes
m_rShell.CallChgLnk();
}
else if( m_rShell.m_aChgLnk.IsSet() && SwNodeType::Text == nNdWhich &&
m_nContent != nCurrentContent )
{
// If travelling with left/right only and the frame is
// unchanged (columns!) then check text hints.
if( m_nLeftFramePos == SwCallLink::getLayoutFrame( m_rShell.GetLayout(), *pCNd->GetTextNode(), nCurrentContent,
!m_rShell.ActionPend() ) &&
(( nCmp = m_nContent ) + 1 == nCurrentContent || // Right
m_nContent -1 == ( nCmp = nCurrentContent )) ) // Left
{
if( nCmp == nCurrentContent && pCurrentCursor->HasMark() ) // left & select
++nCmp;
if ( pCNd->GetTextNode()->HasHints() )
{
const SwpHints &rHts = pCNd->GetTextNode()->GetSwpHints();
for( size_t n = 0; n < rHts.Count(); ++n )
{
const SwTextAttr* pHt = rHts.Get( n );
const sal_Int32 *pEnd = pHt->End();
const sal_Int32 nStart = pHt->GetStart();
// If "only start" or "start and end equal" then call on
// every overflow of start.
if( ( !pEnd || ( nStart == *pEnd ) ) &&
( nStart == m_nContent || nStart == nCurrentContent) )
{
m_rShell.CallChgLnk();
return;
}
// If the attribute has an area and that area is not empty ...
else if( pEnd && nStart < *pEnd &&
// ... then test if travelling occurred via start/end.
( nStart == nCmp ||
( pHt->DontExpand() ? nCmp == *pEnd-1
: nCmp == *pEnd ) ))
{
m_rShell.CallChgLnk();
return;
}
}
}
assert(g_pBreakIt && g_pBreakIt->GetBreakIter().is());
const OUString rText = pCNd->GetTextNode()->GetText();
if( !nCmp ||
g_pBreakIt->GetBreakIter()->getScriptType( rText, m_nContent )
!= g_pBreakIt->GetBreakIter()->getScriptType(rText, nCurrentContent))
{
m_rShell.CallChgLnk();
return;
}
}
else
// If travelling more than one character with home/end/.. then
// always call ChgLnk, because it can not be determined here what
// has changed. Something may have changed.
m_rShell.CallChgLnk();
}
const SwFrame* pFrame;
const SwFlyFrame *pFlyFrame;
if (m_rShell.ActionPend())
return;
pFrame = pCNd->getLayoutFrame(m_rShell.GetLayout(), nullptr, nullptr);
if (!pFrame)
return;
pFlyFrame = pFrame->FindFlyFrame();
if ( pFlyFrame && !m_rShell.IsTableMode() )
{
const SwNodeIndex* pIndex = pFlyFrame->GetFormat()->GetContent().GetContentIdx();
OSL_ENSURE( pIndex, "Fly without Content" );
if (!pIndex)
return;
const SwNode& rStNd = pIndex->GetNode();
if( rStNd.EndOfSectionNode()->StartOfSectionIndex() > m_nNode ||
m_nNode > rStNd.EndOfSectionIndex() )
m_rShell.GetFlyMacroLnk().Call( pFlyFrame->GetFormat() );
}
}
long SwCallLink::getLayoutFrame(const SwRootFrame* pRoot,
SwTextNode const & rNd, sal_Int32 nCntPos, bool /*bCalcFrame*/)
{
SwTextFrame* pFrame = static_cast<SwTextFrame*>(rNd.getLayoutFrame(pRoot, nullptr, nullptr));
SwTextFrame* pNext;
if ( pFrame && !pFrame->IsHiddenNow() )
{
if( pFrame->HasFollow() )
{
TextFrameIndex const nPos(pFrame->MapModelToView(&rNd, nCntPos));
for (;;)
{
pNext = pFrame->GetFollow();
if(!pNext || nPos < pNext->GetOffset())
break;
pFrame = pNext;
}
}
return pFrame->getFrameArea().Left();
}
return 0;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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