convert SdrLayerId to strong_int

Also
- rename SetOfByte to SdrLayerIDSet
- add asserts in SdrLayerAdmin::GetUniqueLayerID so that we don't
allocate overlapping SdrLayerID values
- add a new constant SDRLAYERPOS_NOTFOUND to be returned from
SdrLayerAdmin::GetLayerPos

Change-Id: I3bb3489f9338e3d02c4040bcbd811744699941c8
Reviewed-on: https://gerrit.libreoffice.org/37467
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/sc/source/ui/inc/gridwin.hxx b/sc/source/ui/inc/gridwin.hxx
index 289640098e6b..ac90b1a14287 100644
--- a/sc/source/ui/inc/gridwin.hxx
+++ b/sc/source/ui/inc/gridwin.hxx
@@ -255,7 +255,7 @@ class ScGridWindow : public vcl::Window, public DropTargetHelper, public DragSou
     SdrObject*      GetEditObject();
     bool            IsMyModel(SdrEditView* pSdrView);
 
-    void            DrawRedraw( ScOutputData& rOutputData, sal_uLong nLayer );
+    void            DrawRedraw( ScOutputData& rOutputData, SdrLayerID nLayer );
     void            DrawSdrGrid( const tools::Rectangle& rDrawingRect, OutputDevice* pContentDev );
     void            DrawAfterScroll();
     tools::Rectangle       GetListValButtonRect( const ScAddress& rButtonPos );