sd tiled rendering: make invalidation in DrawViewShell::SwitchPage() optional

In case of tiled rendering clients already get LOK_CALLBACK_SET_PART
when switching slides, so it's pointless to additionally invalidate
windows for help lines.

Change-Id: Ibc15c9862ae85bd72328161fa5f7e72d82fd2a97
(cherry picked from commit ca343672)

include/svx/svdpagv.hxx

@@ -224,7 +224,7 @@ public:
     const SetOfByte& GetLockedLayers() const { return aLayerLock; }
 
     const SdrHelpLineList& GetHelpLines() const { return aHelpLines; }
-    void SetHelpLines(const SdrHelpLineList& rHLL);
+    void SetHelpLines(const SdrHelpLineList& rHLL, bool bInvalidate = true);
     //void SetHelpLinePos(sal_uInt16 nNum, const Point& rNewPos);
     void SetHelpLine(sal_uInt16 nNum, const SdrHelpLine& rNewHelpLine);
     void DeleteHelpLine(sal_uInt16 nNum);

sd/source/ui/view/drviews1.cxx

@@ -999,7 +999,8 @@ bool DrawViewShell::SwitchPage(sal_uInt16 nSelectedPage)
                 }
                 else
                 {
-                    pNewPageView->SetHelpLines( mpFrameView->GetStandardHelpLines() );
+                    bool bInvalidate = !comphelper::LibreOfficeKit::isActive();
+                    pNewPageView->SetHelpLines( mpFrameView->GetStandardHelpLines(), bInvalidate );
                 }
             }
 

svx/source/svdraw/svdpagv.cxx

@@ -741,10 +741,11 @@ void SdrPageView::ImpInvalidateHelpLineArea(sal_uInt16 nNum) const
     }
 }
 
-void SdrPageView::SetHelpLines(const SdrHelpLineList& rHLL)
+void SdrPageView::SetHelpLines(const SdrHelpLineList& rHLL, bool bInvalidate)
 {
     aHelpLines=rHLL;
-    InvalidateAllWin();
+    if (bInvalidate)
+        InvalidateAllWin();
 }
 
 void SdrPageView::SetHelpLine(sal_uInt16 nNum, const SdrHelpLine& rNewHelpLine)