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Pharo 6, scrolling with 2 fingers on a Mac trackpad is very erratic

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Tim Mackinnon

Jul 23, 2017; 3:22pm

Pharo 6, scrolling with 2 fingers on a Mac trackpad is very erratic

1126 posts

Hi - I’m wondering if anyone else has noticed that in Pharo 6, when you scroll on a MacBook trackpad with 2 fingers, that strange things happen, particularly if you do it quickly.

For example, in a system browser if you expand the configurations tree and scroll through it, it very often just suddenly closes that tree and just selects the “Last Modified Methods” and “Configurations” list items. OR it will keep jumping to the top of the list and start scrolling down again. I see this latter behaviour when scrolling through methods of a class as well.

I haven’t noticed it in other applications, and its possible its my laptop or maybe settings I have on it - but I’m curious if others have seen the same behaviour?

I will go back and check a Pharo 3 or 5 image and see if its the same back there.

Tim

Nicolai Hess-3-2

Jul 23, 2017; 4:41pm

Re: Pharo 6, scrolling with 2 fingers on a Mac trackpad is very erratic

935 posts

2017-07-23 17:41 GMT+02:00 Tim Mackinnon <[hidden email]>:

Hi - I’m wondering if anyone else has noticed that in Pharo 6, when you scroll on a MacBook trackpad with 2 fingers, that strange things happen, particularly if you do it quickly.

For example, in a system browser if you expand the configurations tree and scroll through it, it very often just suddenly closes that tree and just selects the “Last Modified Methods” and “Configurations” list items. OR it will keep jumping to the top of the list and start scrolling down again. I see this latter behaviour when scrolling through methods of a class as well.

I haven’t noticed it in other applications, and its possible its my laptop or maybe settings I have on it - but I’m curious if others have seen the same behaviour?

I will go back and check a Pharo 3 or 5 image and see if its the same back there.

Tim

there is (or was ? ) an issue on fogbugz about this.

Stephane Ducasse-3

Jul 23, 2017; 5:11pm

Re: Pharo 6, scrolling with 2 fingers on a Mac trackpad is very erratic

2162 posts

We should rewrite all the logic using SDL. We should really integrate
it better in this iteration.

stef

On Sun, Jul 23, 2017 at 7:00 PM, Nicolai Hess <[hidden email]> wrote:

>
>
> 2017-07-23 17:41 GMT+02:00 Tim Mackinnon <[hidden email]>:
>>
>> Hi - I’m wondering if anyone else has noticed that in Pharo 6, when you
>> scroll on a MacBook trackpad with 2 fingers, that strange things happen,
>> particularly if you do it quickly.
>>
>> For example, in a system browser if you expand the configurations tree and
>> scroll through it, it very often just suddenly closes that tree and just
>> selects the “Last Modified Methods” and “Configurations” list items. OR it
>> will keep jumping to the top of the list and start scrolling down again. I
>> see this latter behaviour when scrolling through methods of a class as well.
>>
>> I haven’t noticed it in other applications, and its possible its my laptop
>> or maybe settings I have on it - but I’m curious if others have seen the
>> same behaviour?
>>
>> I will go back and check a Pharo 3 or 5 image and see if its the same back
>> there.
>>
>> Tim
>
>
> there is (or was ? ) an issue on fogbugz about this.
>

... [show rest of quote]

Denis Kudriashov

Jul 23, 2017; 6:17pm

Re: Pharo 6, scrolling with 2 fingers on a Mac trackpad is very erratic

2224 posts

SDL logic is already here. If you open new world in external OS window then all these issues disappear. But sadly it starts to be broken in Pharo 6. We should fix it and evolve (there were some problems of course)

2017-07-23 19:30 GMT+02:00 Stephane Ducasse <[hidden email]>:

We should rewrite all the logic using SDL. We should really integrate
it better in this iteration.

stef

On Sun, Jul 23, 2017 at 7:00 PM, Nicolai Hess <[hidden email]> wrote:
>
>
> 2017-07-23 17:41 GMT+02:00 Tim Mackinnon <[hidden email]>:
>>
>> Hi - I’m wondering if anyone else has noticed that in Pharo 6, when you
>> scroll on a MacBook trackpad with 2 fingers, that strange things happen,
>> particularly if you do it quickly.
>>
>> For example, in a system browser if you expand the configurations tree and
>> scroll through it, it very often just suddenly closes that tree and just
>> selects the “Last Modified Methods” and “Configurations” list items. OR it
>> will keep jumping to the top of the list and start scrolling down again. I
>> see this latter behaviour when scrolling through methods of a class as well.
>>
>> I haven’t noticed it in other applications, and its possible its my laptop
>> or maybe settings I have on it - but I’m curious if others have seen the
>> same behaviour?
>>
>> I will go back and check a Pharo 3 or 5 image and see if its the same back
>> there.
>>
>> Tim
>
>
> there is (or was ? ) an issue on fogbugz about this.
>

... [show rest of quote]