MSForms: Update cursor position after the drop down form field was changed

Change-Id: I0e9e8a0e9212cdf539caa163f9071bc2f21e4c9f
Reviewed-on: https://gerrit.libreoffice.org/68959
Tested-by: Jenkins
Reviewed-by: Tamás Zolnai <tamas.zolnai@collabora.com>

sw/inc/crsrsh.hxx

@@ -162,6 +162,10 @@ public:
         READONLY    = (1 << 3)      ///< make visible in spite of Readonly
     };
 
+    SAL_DLLPRIVATE void UpdateCursor(
+        sal_uInt16 eFlags = SwCursorShell::SCROLLWIN|SwCursorShell::CHKRANGE,
+        bool bIdleEnd = false );
+
 private:
 
     SwRect  m_aCharRect;          ///< Char-SRectangle on which the cursor is located
@@ -232,10 +236,6 @@ private:
 
     SwFrame* m_oldColFrame;
 
-    SAL_DLLPRIVATE void UpdateCursor(
-        sal_uInt16 eFlags = SwCursorShell::SCROLLWIN|SwCursorShell::CHKRANGE,
-        bool bIdleEnd = false );
-
     SAL_DLLPRIVATE void MoveCursorToNum();
 
     SAL_DLLPRIVATE void ParkPams( SwPaM* pDelRg, SwShellCursor** ppDelRing );

sw/source/uibase/shells/textsh1.cxx

@@ -1385,6 +1385,7 @@ void SwTextShell::Execute(SfxRequest &rReq)
             pDlg->Execute();
             pFieldBM->Invalidate();
             rWrtSh.InvalidateWindows( rWrtSh.GetView().GetVisArea() );
+            rWrtSh.UpdateCursor(); // cursor position might be invalid
         }
         else
         {