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tdf#126168: sw undo/redo crash fixed

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After undo of style creation we have a dangling pointers to
deleted style in SwUndoSetFlyFormat. So instead of keeping
pointers to SwFrameFormat which can be invalidated, we could
keep style name and find style by name.

Change-Id: I9a60d6b3311278d7391d676010c31c862189fd08
Reviewed-on: https://gerrit.libreoffice.org/76351
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>
Tested-by: Jenkins
This commit is contained in:
Vasily Melenchuk 2019-07-26 10:45:59 +03:00 committed by Thorsten Behrens
parent 892b434f92
commit 20e7632919
2 changed files with 13 additions and 12 deletions
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4
sw/source/core/inc/UndoCore.hxx
View File

@ -188,8 +188,8 @@ public:
class SwUndoSetFlyFormat : public SwUndo, public SwClient
{
SwFrameFormat* m_pFrameFormat; // saved FlyFormat
SwFrameFormat* const m_pOldFormat;
SwFrameFormat* m_pNewFormat;
const OUString m_DerivedFromFormatName;
const OUString m_NewFormatName;
std::unique_ptr<SfxItemSet> m_pItemSet; // the re-/ set attributes
sal_uLong m_nOldNode, m_nNewNode;
sal_Int32 m_nOldContent, m_nNewContent;

21
sw/source/core/undo/undobj1.cxx
View File

@ -457,7 +457,8 @@ void SwUndoDelLayFormat::RedoForRollback()
SwUndoSetFlyFormat::SwUndoSetFlyFormat( SwFrameFormat& rFlyFormat, SwFrameFormat& rNewFrameFormat )
: SwUndo( SwUndoId::SETFLYFRMFMT, rFlyFormat.GetDoc() ), SwClient( &rFlyFormat ), m_pFrameFormat( &rFlyFormat ),
m_pOldFormat( static_cast<SwFrameFormat*>(rFlyFormat.DerivedFrom()) ), m_pNewFormat( &rNewFrameFormat ),
m_DerivedFromFormatName( rFlyFormat.IsDefault() ? "" : rFlyFormat.DerivedFrom()->GetName() ),
m_NewFormatName( rNewFrameFormat.GetName() ),
m_pItemSet( new SfxItemSet( *rFlyFormat.GetAttrSet().GetPool(),
rFlyFormat.GetAttrSet().GetRanges() )),
m_nOldNode( 0 ), m_nNewNode( 0 ),
@ -470,8 +471,7 @@ SwRewriter SwUndoSetFlyFormat::GetRewriter() const
{
SwRewriter aRewriter;
if (m_pNewFormat)
aRewriter.AddRule(UndoArg1, m_pNewFormat->GetName());
aRewriter.AddRule(UndoArg1, m_NewFormatName);
return aRewriter;
}
@ -532,13 +532,14 @@ void SwUndoSetFlyFormat::UndoImpl(::sw::UndoRedoContext & rContext)
SwDoc & rDoc = rContext.GetDoc();
// Is the new Format still existent?
if (rDoc.GetFrameFormats()->IsAlive(m_pOldFormat))
SwFrameFormat* pDerivedFromFrameFormat = rDoc.FindFrameFormatByName(m_DerivedFromFormatName);
if (pDerivedFromFrameFormat)
{
if( m_bAnchorChanged )
m_pFrameFormat->DelFrames();
if( m_pFrameFormat->DerivedFrom() != m_pOldFormat )
m_pFrameFormat->SetDerivedFrom( m_pOldFormat );
if( m_pFrameFormat->DerivedFrom() != pDerivedFromFrameFormat)
m_pFrameFormat->SetDerivedFrom(pDerivedFromFrameFormat);
SfxItemIter aIter( *m_pItemSet );
const SfxPoolItem* pItem = aIter.GetCurItem();
@ -606,19 +607,19 @@ void SwUndoSetFlyFormat::RedoImpl(::sw::UndoRedoContext & rContext)
SwDoc & rDoc = rContext.GetDoc();
// Is the new Format still existent?
if (rDoc.GetFrameFormats()->IsAlive(m_pNewFormat))
SwFrameFormat* pNewFrameFormat = rDoc.FindFrameFormatByName(m_NewFormatName);
if (pNewFrameFormat)
{
if( m_bAnchorChanged )
{
SwFormatAnchor aNewAnchor( m_nNewAnchorType );
GetAnchor( aNewAnchor, m_nNewNode, m_nNewContent );
SfxItemSet aSet( rDoc.GetAttrPool(), aFrameFormatSetRange );
aSet.Put( aNewAnchor );
rDoc.SetFrameFormatToFly( *m_pFrameFormat, *m_pNewFormat, &aSet );
rDoc.SetFrameFormatToFly( *m_pFrameFormat, *pNewFrameFormat, &aSet );
}
else
rDoc.SetFrameFormatToFly( *m_pFrameFormat, *m_pNewFormat );
rDoc.SetFrameFormatToFly( *m_pFrameFormat, *pNewFrameFormat);
rContext.SetSelections(m_pFrameFormat, nullptr);
}