How many clicks on Unity launcher?

[Colin Law]

On 17 December 2012 03:57, Jim Byrnes <jf_byrnes at comcast.net> wrote:
> On 12/16/2012 09:20 PM, Tommy Trussell wrote:
>>
>> On Sun, Dec 16, 2012 at 8:58 PM, Jim Byrnes <jf_byrnes at comcast.net
>> <mailto:jf_byrnes at comcast.net>> wrote:
>>
>>     On 12/16/2012 08:14 PM, Marc Deslauriers wrote:
>>
>>         On 12-12-16 06:20 PM, Jim Byrnes wrote:
>>
>>             Should an application run with one click or two on it's icon
>>             on the
>>             launcher?
>>
>>             I just installed 12.04 sometimes I can run a program with
>>             one click and
>>             other times it takes two.  Usually the first thing I open is
>>             Firefox
>>             followed by Thunderbird.  They require two clicks while the
>>             terminal
>>             icon I pinned to the launcher only needs one.  If I close
>>             and reopen
>>             Firefox one click will open it.
>>
>>             What are the rules regarding this?
>>
>>
>>         The rule is simple: it should always only require a single click.
>>
>>         What happens when you click it just once? Does it throb?
>>
>>         Marc.
>>
>>
>>
>>
>>     Yes the icon moves slightly up and to the left a little and then
>>     returns to it's original position.
>>
>>     Regards,  Jim
>>
>>
>> That sounds like the mouse sensitivity is high and the launcher is
>> interpreting the click as a click-and-drag. You might try opening the
>> "Mouse and Touchpad" control application and adjust the sensitivity to
>> "Low."
>>
>
> Under Pointer Speed -> Acceleration & Sensitivity are both all the way to
> the left. The slowest and lowest available.

Perhaps Drag and Drop threshold adjusts the amount the mouse can move
before it is considered to be a drag rather than a click.  I am not
sure though.  Mine is set to about 75%.

Colin