On Dec 1, 2007, at 1:56 AM, Matthew Paul Thomas wrote: > ... >> On 29 Nov 2007, at 22:58, Martin Harris wrote: >> ... >>> Also, has there been any talk about making UIs accountable for real- >>> time responsiveness (low-latency interactivity)? Is there anything >>> in the overall system that could require a UI to respond in 10 >>> seconds, 1 second, etc? > ... > One example is that Mac OS X's "spinning beachball of death" cursor > <http://en.wikipedia.org/wiki/Spinning_wait_cursor> is not (usually) > set by the application. It is set by the underlying toolkit, if the > application has not examined its event queue in the past ~2 seconds. > That makes UIs "accountable" in the sense that the busy cursor is a > sign of a badly-written application, and users complain accordingly. > ...
Similarly in Ubuntu, with "Visual Effects" turned on, a window goes grey if it has stopped responding for a second or two. Once it resumes responding, its colors return. Cheers -- Matthew Paul Thomas http://mpt.net.nz/ _______________________________________________ Usability mailing list Usability@gnome.org http://mail.gnome.org/mailman/listinfo/usability
