rendercontext toolbar: Invalidate instead of direct paint.

Change-Id: Ib4c11d3f1ec793e66cd47c1f7bb4f7d06820d58f

include/vcl/toolbox.hxx

@@ -197,9 +197,9 @@ private:
 public:
     using Window::ImplInit;
 private:
-    SAL_DLLPRIVATE void InvalidateItem(sal_uInt16 nPosition, sal_uInt16 nHighlight = 0, bool bPaint = false, bool bLayout = false);
+    SAL_DLLPRIVATE void InvalidateItem(sal_uInt16 nPosition);
     SAL_DLLPRIVATE void InvalidateSpin(bool bUpperIn, bool bLowerIn);
-    SAL_DLLPRIVATE void InvalidateMenuButton(bool bHighlight);
+    SAL_DLLPRIVATE void InvalidateMenuButton();
 
     SAL_DLLPRIVATE void            ImplInit( vcl::Window* pParent, WinBits nStyle );
     using DockingWindow::ImplInitSettings;

vcl/source/window/toolbox2.cxx

@@ -1367,7 +1367,7 @@ void ToolBox::SetItemDown( sal_uInt16 nItemId, bool bDown, bool bRelease )
             if ( nPos != mnCurPos )
             {
                 mnCurPos = nPos;
-                InvalidateItem(mnCurPos, 1);
+                InvalidateItem(mnCurPos);
                 Flush();
             }
         }
@@ -1676,7 +1676,7 @@ void ToolBox::ImplFillLayoutData() const
 
         // only draw, if the rectangle is within PaintRectangle
         if (!pItem->maRect.IsEmpty())
-            const_cast<ToolBox*>(this)->InvalidateItem(i, 0, false, true);
+            const_cast<ToolBox*>(this)->InvalidateItem(i);
     }
 }