[buttonCell setHighlighted: YES];
if([buttonCell trackMouse: theEvent
inRect:AddToolPadding(m_mouseDownTool->GetFrameRect()) ofView:m_cocoaNSView
[buttonCell setHighlighted: YES];
if([buttonCell trackMouse: theEvent
inRect:AddToolPadding(m_mouseDownTool->GetFrameRect()) ofView:m_cocoaNSView