merge IUndoManager into SfxUndoManager

SfxUndoManager is the only implementation of the IUnderManager
"interface", and it lives in the same header.
Plus this way we can get rid of some covariant parameters,
which will make using std::unique_ptr easier.

Change-Id: I6661b9876b18da830bead78794d237886cd3c5c9
Reviewed-on: https://gerrit.libreoffice.org/57317
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 2 insertions, 8 deletions

diff --git a/include/vcl/texteng.hxx b/include/vcl/texteng.hxx
index 82a60c7af122..97a370747ce8 100644
--- a/include/vcl/texteng.hxx
+++ b/include/vcl/texteng.hxx
@@ -54,12 +54,7 @@ class OutputDevice;
 class SfxUndoAction;
 class KeyEvent;
 class Timer;
-
-namespace svl
-{
-    class IUndoManager;
-}
-
+class SfxUndoManager;
 class TextLine;
 class TETextPortion;
 struct TEIMEInfos;
@@ -267,8 +262,7 @@ public:
     bool                IsRightToLeft() const { return mbRightToLeft; }
 
     bool                HasUndoManager() const { return mpUndoManager != nullptr; }
-    ::svl::IUndoManager&
-                        GetUndoManager();
+    SfxUndoManager&     GetUndoManager();
     void                UndoActionStart( sal_uInt16 nId = 0 );
     void                UndoActionEnd();
     void                InsertUndo( TextUndo* pUndo, bool bTryMerge = false );