don't add extra GetCharHeight() pixels to the top border if our label is empty (patch 1581459) [backport from HEAD]

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@44797 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -88,6 +88,13 @@ Major new features in 2.8 release
   wxSearchCtrl, wxAboutBox, wxTreebook, tar streams.
 
 
+2.8.3
+-----
+
+wxMac
+
+- Corrected top border size for wxStaticBox with empty label (nusi)
+
 2.8.2
 -----
 

src/mac/carbon/statbox.cpp

@@ -68,7 +68,10 @@ void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
         }
     }
 
-    *borderTop = extraTop + GetCharHeight();
+    *borderTop = extraTop;
+    if ( !m_label.empty() )
+        *borderTop += GetCharHeight();
+
     *borderOther = other;
 }