tdf#139070 format entry view of multilines with final formatting

so during editing of a multiline the singleline entry shows what
it will show when editing is finished, so we suppress the default
behaviour of gtk to show a newline symbol and the default
behaviour of vcl to strip newlines

Change-Id: Id7d384efc8b737c463f1bd44ca61376f342edb25
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111417
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/extensions/source/propctrlr/standardcontrol.cxx b/extensions/source/propctrlr/standardcontrol.cxx
index 0b64c9518ef2..48ecc0be056a 100644
--- a/extensions/source/propctrlr/standardcontrol.cxx
+++ b/extensions/source/propctrlr/standardcontrol.cxx
@@ -737,7 +737,16 @@ namespace pcr
 
     IMPL_LINK_NOARG(OMultilineEditControl, TextViewModifiedHdl, weld::TextView&, void)
     {
-        m_xEntry->set_text(m_xTextView->get_text());
+        // tdf#139070 during editing update the entry to look like how it will
+        // look once editing is finished so that the default behaviour of vcl
+        // to strip newlines and the default behaviour of gtk to show a newline
+        // symbol is suppressed
+        OUString sText = m_xTextView->get_text();
+        auto aSeq = lcl_convertMultiLineToList(sText);
+        if (aSeq.getLength() > 1)
+            m_xEntry->set_text(lcl_convertListToDisplayText(aSeq));
+        else
+            m_xEntry->set_text(sText);
         CheckEntryTextViewMisMatch();
         setModified();
     }