//_____________________________________________________________________________
void
-AliMUONPainterRegistry::PainterMatrixWantToShow(AliMUONPainterMatrix* group)
+AliMUONPainterRegistry::PainterMatrixWantToShow(const AliMUONPainterMatrix* group)
{
/// A given paintermatrix want to appear on screen
Long_t param[] = { (Long_t)group };
//_____________________________________________________________________________
void
-AliMUONPainterRegistry::PainterMatrixWasRegistered(AliMUONPainterMatrix* group)
+AliMUONPainterRegistry::PainterMatrixWasRegistered(const AliMUONPainterMatrix* group)
{
/// A new painter matrix was registered
Long_t param[] = { (Long_t)group };
//_____________________________________________________________________________
void
-AliMUONPainterRegistry::PainterMatrixWasUnregistered(AliMUONPainterMatrix* group)
+AliMUONPainterRegistry::PainterMatrixWasUnregistered(const AliMUONPainterMatrix* group)
{
/// A painter matrix was unregistered
Long_t param[] = { (Long_t)group };