tdf#118139 Set Default StyleSheet only when available

Change-Id: Id8643895add3181c41737249326bb49e1a2c2493
Reviewed-on: https://gerrit.libreoffice.org/57582
Tested-by: Jenkins
Reviewed-by: Armin Le Grand <Armin.Le.Grand@cib.de>

1 files changed, 11 insertions, 2 deletions

diff --git a/svx/source/sdr/properties/properties.cxx b/svx/source/sdr/properties/properties.cxx
index bdeeeeaaec8d..61929a9b498a 100644
--- a/svx/source/sdr/properties/properties.cxx
+++ b/svx/source/sdr/properties/properties.cxx
@@ -43,8 +43,17 @@ namespace sdr
 
         void BaseProperties::applyDefaultStyleSheetFromSdrModel()
         {
-            // do not delete hard attributes when setting dsefault Style
-            SetStyleSheet(GetSdrObject().getSdrModelFromSdrObject().GetDefaultStyleSheet(), true);
+            SfxStyleSheet* pDefaultStyleSheet(GetSdrObject().getSdrModelFromSdrObject().GetDefaultStyleSheet());
+
+            // tdf#118139 Only do this when StyleSheet really differs. It may e.g.
+            // be the case that nullptr == pDefaultStyleSheet and there is none set yet,
+            // so indeed no need to set it (needed for some strange old MSWord2003
+            // documents with CustomShape-'Group' and added Text-Frames, see task description)
+            if(pDefaultStyleSheet != GetStyleSheet())
+            {
+                // do not delete hard attributes when setting dsefault Style
+                SetStyleSheet(pDefaultStyleSheet, true);
+            }
         }
 
         const SdrObject& BaseProperties::GetSdrObject() const