unity-design team mailing list archive

[Jan-Christoph Borchardt <inquata@xxxxxxxxxxxxxx>]

On 13 May 2010 01:39, Luke Morton <luke.morton@xxxxxxxxxxxxxxxx> wrote:
> I like this idea. Double-clicking is an unnecessary gesture since we
> have multiple buttons (or "Simulated Secondary Click" in the
> Accessibilty tab of the Mouse Preferences). It confuses novice users and
> is an accessibility issue for motor impaired users.

I totally forgot the motor impaired, thanks for bringing it up.

Also, with the advent of touch-interfaces, the single click becomes
even more ubiquitous.


> It's not universally recognised:
> http://en.wikipedia.org/wiki/Double-click (search for "difficulties")
> http://www.useit.com/alertbox/9710b.html (search for "double-click")
> http://www.asktog.com/Bughouse/bhPandemic.html (search for "double")

And thanks for the extra material, I did not even think of searching
Nielsen’s stuff for it.


On 13 May 2010 01:49, Shane Fagan <shanepatrickfagan@xxxxxxxxxx> wrote:
> we'll have to handle when people double click so we dont open multiple
> instances when people expect the previous behaviour.

That would be solved by applying the double-click recognition in
reverse: If a click follows another one in less than 500ms, it is
ignored. Or did I miss another situation where that would break
something?