tdf#91499 - cleanup AnyRefDialog VclPtr's with an explicit dispose method.

Change-Id: Ib3571fc6d2aa9343bcfd2d6a5bdbd6b1d193c0f1
Reviewed-on: https://gerrit.libreoffice.org/15883Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>

sc/source/ui/inc/anyrefdg.hxx

@@ -127,6 +127,7 @@ private:
     DECL_LINK_TYPED( UpdateFocusHdl, Idle*, void );
 
 protected:
+    void                disposeRefHandler();
     bool                DoClose( sal_uInt16 nId );
 
     static void         SetDispatcherLock( bool bLock );
@@ -280,9 +281,16 @@ struct ScRefHdlrImpl: ScRefHdlrImplBase< TBase, bBindRef >
         SC_MOD()->RegisterRefWindow( static_cast<sal_uInt16>( static_cast<TDerived*>(this)->SLOTID ), this );
     }
 
-    ~ScRefHdlrImpl()
+    virtual void dispose() SAL_OVERRIDE
     {
         SC_MOD()->UnregisterRefWindow( static_cast<sal_uInt16>( static_cast<TDerived*>(this)->SLOTID ), this );
+        ScRefHdlrImplBase<TBase, bBindRef >::disposeRefHandler();
+        TBase::dispose();
+    }
+
+    ~ScRefHdlrImpl()
+    {
+        dispose();
     }
 };
 

sc/source/ui/miscdlgs/anyrefdg.cxx

@@ -823,6 +823,13 @@ bool ScRefHandler::EnterRefMode()
 
 ScRefHandler::~ScRefHandler()
 {
+    disposeRefHandler();
+}
+
+void ScRefHandler::disposeRefHandler()
+{
+    m_rWindow.clear();
+    pActiveWin.clear();
     LeaveRefMode();
 }