maybe not related to Unity on itself but to the general qt4 widget style in use on gtk based environments.
try the qtractor -style -plastique
you'll get better results, i hope. it's also the recommended workaround when midi input inexplicably stops to work usually after you're opening any of the common file browser dialogs. so that, as they say, you kill two rabbits with just one stick :)
maybe not related to Unity on itself but to the general qt4 widget style in use on gtk based environments.
try the
qtractor -style -plastiqueyou'll get better results, i hope. it's also the recommended workaround when midi input inexplicably stops to work usually after you're opening any of the common file browser dialogs. so that, as they say, you kill two rabbits with just one stick :)
cheers