tdf#91920 sw page gutter margin: add RTF filter

Map between \gutter and SvxLRSpaceItem::m_nGutterMargin.

(cherry picked from commit 113e7c1be4ca87f936738270cf763800e8ec5832)

Change-Id: I40303f87f59d18e04beb016869dc2a8f3c7da755
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110637
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

4 files changed, 29 insertions, 0 deletions

diff --git a/sw/qa/extras/rtfexport/data/gutter-left.rtf b/sw/qa/extras/rtfexport/data/gutter-left.rtf
new file mode 100644
index 000000000000..66016045c9d1
--- /dev/null
+++ b/sw/qa/extras/rtfexport/data/gutter-left.rtf
@@ -0,0 +1,4 @@
+{\rtf1
+\paperw12240\paperh15840\margl1440\margr1440\margt1440\margb1440\gutter720
+\pard\plain Half in gutter on the left\par
+}
diff --git a/sw/qa/extras/rtfexport/rtfexport4.cxx b/sw/qa/extras/rtfexport/rtfexport4.cxx
index fdfdc07c8979..a1b5d5e599b8 100644
--- a/sw/qa/extras/rtfexport/rtfexport4.cxx
+++ b/sw/qa/extras/rtfexport/rtfexport4.cxx
@@ -295,6 +295,21 @@ CPPUNIT_TEST_FIXTURE(Test, testTdf126309)
         static_cast<style::ParagraphAdjust>(getProperty<sal_Int16>(getParagraph(1), "ParaAdjust")));
 }
 
+CPPUNIT_TEST_FIXTURE(Test, testGutterLeft)
+{
+    load(mpTestDocumentPath, "gutter-left.rtf");
+    reload(mpFilter, "gutter-left.rtf");
+    uno::Reference<beans::XPropertySet> xPageStyle;
+    getStyles("PageStyles")->getByName("Standard") >>= xPageStyle;
+    sal_Int32 nGutterMargin{};
+    xPageStyle->getPropertyValue("GutterMargin") >>= nGutterMargin;
+    // Without the accompanying fix in place, this test would have failed with:
+    // - Expected: 1270
+    // - Actual  : 0
+    // i.e. gutter margin was lost.
+    CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(1270), nGutterMargin);
+}
+
 CPPUNIT_PLUGIN_IMPLEMENT();
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/filter/ww8/rtfattributeoutput.cxx b/sw/source/filter/ww8/rtfattributeoutput.cxx
index 9f174bd6d14d..53fffd032a17 100644
--- a/sw/source/filter/ww8/rtfattributeoutput.cxx
+++ b/sw/source/filter/ww8/rtfattributeoutput.cxx
@@ -3152,6 +3152,11 @@ void RtfAttributeOutput::FormatLRSpace(const SvxLRSpaceItem& rLRSpace)
                 m_aSectionBreaks.append(OOO_STRING_SVTOOLS_RTF_MARGRSXN);
                 m_aSectionBreaks.append(static_cast<sal_Int32>(rLRSpace.GetRight()));
             }
+            if (rLRSpace.GetGutterMargin())
+            {
+                m_aSectionBreaks.append(OOO_STRING_SVTOOLS_RTF_GUTTER);
+                m_aSectionBreaks.append(static_cast<sal_Int32>(rLRSpace.GetGutterMargin()));
+            }
             if (!m_bBufferSectionBreaks)
                 m_rExport.Strm().WriteOString(m_aSectionBreaks.makeStringAndClear());
         }
diff --git a/writerfilter/source/rtftok/rtfdispatchvalue.cxx b/writerfilter/source/rtftok/rtfdispatchvalue.cxx
index 7f458bf5ca94..e769eb9deef8 100644
--- a/writerfilter/source/rtftok/rtfdispatchvalue.cxx
+++ b/writerfilter/source/rtftok/rtfdispatchvalue.cxx
@@ -1070,6 +1070,11 @@ RTFError RTFDocumentImpl::dispatchValue(RTFKeyword nKeyword, int nParam)
                                NS_ooxml::LN_EG_SectPrContents_pgMar, NS_ooxml::LN_CT_PageMar_footer,
                                pIntValue);
             break;
+        case RTF_GUTTER:
+            putNestedAttribute(m_aStates.top().getSectionSprms(),
+                               NS_ooxml::LN_EG_SectPrContents_pgMar, NS_ooxml::LN_CT_PageMar_gutter,
+                               pIntValue);
+            break;
         case RTF_DEFTAB:
             m_aSettingsTableSprms.set(NS_ooxml::LN_CT_Settings_defaultTabStop, pIntValue);
             break;