Dim unresponsive windows
Dim unresponsive windows

If a client is not responding, lower the brightness and
saturation to indicate it's stalled. The surface is restored
to it's original color values if the client later becomes
responsive.

Gnurou/weston,udoprog/weston,giucam/weston,Gnurou/weston,krezovic/weston,udoprog/weston,mchalupa/weston,mchalupa/weston,jonnylamb/weston,krezovic/weston,Tarnyko/weston-xdg_surface_present,Fantu/compositor-spice,eyolfson/weston,kwm81/weston,Tarnyko/weston-xdg_surface_present,jonnylamb/weston,xorgy/weston,sir-murray/weston,Fantu/compositor-spice,eyolfson/weston,sir-murray/weston,Fantu/compositor-spice,kwm81/weston,xorgy/weston,giucam/weston