tdf#161628 DOCX import: set default hyphenation zone (1/4 inch)

Default value of hyphenationZone is 360 twips (0.25"). Apply this
value, if hyphenationZone is not defined, according to the OOXML
standard.

Follow-up to commit 5a079652c1
"tdf#149421 DOCX: import/export hyphenation zone".

Change-Id: Idadae973d93a14fbbe828fa74562db6262c40904
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/169070
Tested-by: Jenkins
Reviewed-by: László Németh <nemeth@numbertext.org>

sw/qa/extras/ooxmlexport/ooxmlexport14.cxx

@@ -787,6 +787,13 @@ DECLARE_OOXMLEXPORT_TEST(testTdf149421, "tdf121661.docx")
     }
 }
 
+DECLARE_OOXMLEXPORT_TEST(testTdf149421_default, "tdf146171.docx")
+{
+    uno::Reference<beans::XPropertySet> xStyle(getStyles(u"ParagraphStyles"_ustr)->getByName(u"Standard"_ustr), uno::UNO_QUERY);
+    // This was 0 (not the default OOXML hyphenationZone)
+    CPPUNIT_ASSERT_EQUAL( static_cast<sal_Int16>(360), getProperty<sal_Int16>(xStyle, u"ParaHyphenationZone"_ustr));
+}
+
 CPPUNIT_TEST_FIXTURE(Test, testTdf121658)
 {
     loadAndSave("tdf121658.docx");

sw/source/writerfilter/dmapper/SettingsTable.cxx

@@ -141,7 +141,7 @@ struct SettingsTable_Impl
     , m_bNoColumnBalance(false)
     , m_bAutoHyphenation(false)
     , m_bNoHyphenateCaps(false)
-    , m_nHyphenationZone(0)
+    , m_nHyphenationZone( 360 ) // default is 1/4 in
     , m_nUseWord2013TrackBottomHyphenation(-1)
     , m_nAllowHyphenationAtTrackBottom(-1)
     , m_bWidowControl(false)