1. don't call GetPartOfWrappendLine() unnecessarily

2. optimized it (replaced by a call to HitTestLine) for the other cases


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/wxUNIVERSAL@8826 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/univ/textctrl.h

@@ -287,7 +287,8 @@ protected:
     // more readable flag testing methods
     bool IsSingleLine() const { return !(GetWindowStyle() & wxTE_MULTILINE); }
     bool IsPassword() const { return (GetWindowStyle() & wxTE_PASSWORD) != 0; }
-    bool WrapLines() const { return !(GetWindowStyle() & wxHSCROLL); }
+    bool WrapLines() const
+        { return !IsSingleLine() && !(GetWindowStyle() & wxHSCROLL); }
 
     // get the extent (width) of the text
     wxCoord GetTextWidth(const wxString& text) const;