tdf#134277 sw table: fix lagging shape at page break

Shapes anchored to characters in table cells didn't follow
their cells at page break, resulting lonely shapes at the end
of the previous page.

Co-authored-by: Attila Bánhegyi (NISZ)

Change-Id: I2149ef58696a8f5dc6f41959060d2d57f938d025
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97209
Tested-by: László Németh <nemeth@numbertext.org>
Reviewed-by: László Németh <nemeth@numbertext.org>
(cherry picked from commit 117011cf10032e6ca93a8d502f794deb16c13a8f)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97674
Tested-by: Jenkins
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
diff --git a/sw/qa/extras/layout/data/tdf134277.docx b/sw/qa/extras/layout/data/tdf134277.docx
new file mode 100644
index 0000000..cf4ecfb
--- /dev/null
+++ b/sw/qa/extras/layout/data/tdf134277.docx
Binary files differ
diff --git a/sw/qa/extras/layout/layout.cxx b/sw/qa/extras/layout/layout.cxx
index 4f9ed8e..a1eae55 100644
--- a/sw/qa/extras/layout/layout.cxx
+++ b/sw/qa/extras/layout/layout.cxx
@@ -1114,6 +1114,24 @@ CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testRedlineFlysInFootnote)
    }
}

CPPUNIT_TEST_FIXTURE(SwLayoutWriter, TestTdf134277)
{
    SwDoc* pDoc = createDoc("tdf134277.docx");
    CPPUNIT_ASSERT(pDoc);
    SwDocShell* pShell = pDoc->GetDocShell();

    std::shared_ptr<GDIMetaFile> xMetaFile = pShell->GetPreviewMetaFile();
    MetafileXmlDump dumper;

    xmlDocUniquePtr pXmlDoc = dumpAndParse(dumper, *xMetaFile);
    CPPUNIT_ASSERT(pXmlDoc);

    xmlXPathObjectPtr pXmlObj = getXPathNode(pXmlDoc, "/metafile/push/push/push/layoutmode[2]");
    xmlNodeSetPtr pXmlNodes = pXmlObj->nodesetval;
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Bad position of shape in page break!", 0,
                                 xmlXPathNodeSetGetLength(pXmlNodes));
}

CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testRedlineFlysInFlys)
{
    loadURL("private:factory/swriter", nullptr);
diff --git a/sw/source/core/layout/tabfrm.cxx b/sw/source/core/layout/tabfrm.cxx
index f4aed1e..02bcb593 100644
--- a/sw/source/core/layout/tabfrm.cxx
+++ b/sw/source/core/layout/tabfrm.cxx
@@ -1066,7 +1066,6 @@ bool SwTabFrame::Split( const SwTwips nCutPos, bool bTryToSplit, bool bTableRowK
        else
            bSplitRowAllowed = false;
    }

    // #i29438#
    // #i26945# - Floating screen objects no longer forbid
    // a splitting of the table row.
@@ -3890,11 +3889,16 @@ long CalcHeightWithFlys( const SwFrame *pFrame )
                    // the text flow have to be considered.
                    const SwFrameFormat& rFrameFormat = pAnchoredObj->GetFrameFormat();
                    bool bFollowTextFlow = rFrameFormat.GetFollowTextFlow().GetValue();
                    bool bIsFarAway = pAnchoredObj->GetObjRect().Top() != FAR_AWAY;
                    const SwPageFrame* pPageFrm = pTmp->FindPageFrame();
                    bool bIsAnchoredToTmpFrm = false;
                    if ( pPageFrm && pPageFrm->IsPageFrame() && pAnchoredObj->GetPageFrame())
                        bIsAnchoredToTmpFrm = pAnchoredObj->GetPageFrame() == pPageFrm ||
                        (pPageFrm->GetFormatPage().GetPhyPageNum() == pAnchoredObj->GetPageFrame()->GetFormatPage().GetPhyPageNum() + 1);
                    const bool bConsiderObj =
                        (rFrameFormat.GetAnchor().GetAnchorId() != RndStdIds::FLY_AS_CHAR) &&
                            pAnchoredObj->GetObjRect().Top() != FAR_AWAY &&
                            bFollowTextFlow &&
                            pAnchoredObj->GetPageFrame() == pTmp->FindPageFrame();
                        bIsFarAway &&
                        bFollowTextFlow && bIsAnchoredToTmpFrm;
                    bool bWrapThrough = rFrameFormat.GetSurround().GetValue() == text::WrapTextMode_THROUGH;
                    if (pFrame->IsInTab() && bFollowTextFlow && bWrapThrough)
                    {