- From: Pat Hayes <phayes@ihmc.us>
- Date: Sat, 4 Feb 2012 15:16:05 -0800
- To: David Booth <david@dbooth.org>
- Cc: Danny Ayers <danny.ayers@gmail.com>, Semantic Web <semantic-web@w3.org>
On Feb 3, 2012, at 7:58 AM, David Booth wrote: > (Side comment about modal controls in UI design: modal controls save > space, but they are also evil because they are not idempotent. The > effect can be disastrous in an emergency when one is frantically trying > to get the system to stop before more damage is caused, helplessly > pressing the "Stop" button multiple times, when the same button actually > means both "Go" and "Stop". Even if you are so calm as to remember that > the button is modal, if the system is sluggish -- perhaps because it is > so busy deleting a huge amount of your precious work -- it can *appear* > as though the "Stop" click did not take effect, and so you click it > again, unwittingly telling it to "Go" again.) Clearly the voice of experience. Thanks for writing this down!! Pat ------------------------------------------------------------ IHMC (850)434 8903 or (650)494 3973 40 South Alcaniz St. (850)202 4416 office Pensacola (850)202 4440 fax FL 32502 (850)291 0667 mobile phayesAT-SIGNihmc.us http://www.ihmc.us/users/phayes
Received on Saturday, 4 February 2012 23:16:37 UTC