sw/qa/core/layout/data/table-in-footnote.docx |binary
 sw/qa/core/layout/flycnt.cxx                  |   14 ++++++++++++++
 sw/source/core/layout/fly.cxx                 |    6 ++++++
 3 files changed, 20 insertions(+)

New commits:
commit 2e1ddc8aeb0a92cc43ef4b7dc4762cd50a6b7fbc
Author:     Miklos Vajna <vmik...@collabora.com>
AuthorDate: Thu Aug 24 16:58:14 2023 +0200
Commit:     Miklos Vajna <vmik...@collabora.com>
CommitDate: Thu Aug 24 19:40:11 2023 +0200

    sw floattable: don't split if anchored inside a footnote
    
    See
    
<https://gerrit.libreoffice.org/c/core/+/156025/1#message-94d8cdd4d59a4b991186e5780d41f213105a533d>,
    if we import an (inline) table inside a footnote from DOCX, we currently
    put that into an as-char anchored fly. In case the user would later
    change the anchor type to to-para, then we would crash in
    SwFlowFrame::GetPrevFrameForUpperSpaceCalc_().
    
    Avoid all this trouble by simply not allowing split floating tables in
    footnotes, seeing that the Word UI is also disabled for this case.
    
    Change-Id: I3cf9461beb291084e1cced5c66ca14e6b6d55126
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156058
    Reviewed-by: Miklos Vajna <vmik...@collabora.com>
    Tested-by: Jenkins

diff --git a/sw/qa/core/layout/data/table-in-footnote.docx 
b/sw/qa/core/layout/data/table-in-footnote.docx
new file mode 100644
index 000000000000..10e20ffbf44c
Binary files /dev/null and b/sw/qa/core/layout/data/table-in-footnote.docx 
differ
diff --git a/sw/qa/core/layout/flycnt.cxx b/sw/qa/core/layout/flycnt.cxx
index ba688728743b..539d379d97c2 100644
--- a/sw/qa/core/layout/flycnt.cxx
+++ b/sw/qa/core/layout/flycnt.cxx
@@ -1010,6 +1010,20 @@ CPPUNIT_TEST_FIXTURE(Test, testSplitFlyIntoTable)
     // second part of a floating table into a table on the next page, not 
before that table.
     calcLayout();
 }
+
+CPPUNIT_TEST_FIXTURE(Test, testSplitFlyFromAsCharAnchor)
+{
+    // Given a document with a footnote that has a table (imported in an 
as-char anchored frame in
+    // Writer):
+    createSwDoc("table-in-footnote.docx");
+
+    // When changing the anchor type of that frame to to-para:
+    // Then make sure we don't crash:
+    selectShape(1);
+    // Without the accompanying fix in place, this test would have crashed, we 
tried to split a
+    // frame+table inside a footnote.
+    dispatchCommand(mxComponent, ".uno:SetAnchorToPara", {});
+}
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/core/layout/fly.cxx b/sw/source/core/layout/fly.cxx
index a06c2a9e7f70..039aeb549f77 100644
--- a/sw/source/core/layout/fly.cxx
+++ b/sw/source/core/layout/fly.cxx
@@ -687,6 +687,12 @@ bool SwFlyFrame::IsFlySplitAllowed() const
         return false;
     }
 
+    if (pFlyAnchor && pFlyAnchor->IsInFootnote())
+    {
+        // No split in footnotes.
+        return false;
+    }
+
     const SwFlyFrameFormat* pFormat = GetFormat();
     const SwFormatVertOrient& rVertOrient = pFormat->GetVertOrient();
     if (rVertOrient.GetVertOrient() == text::VertOrientation::BOTTOM)

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