Re: Scrolling differences when using Trackpad or Mouse-Wheel
Re: Scrolling differences when using Trackpad or Mouse-Wheel
- Subject: Re: Scrolling differences when using Trackpad or Mouse-Wheel
- From: Jack Brindle <email@hidden>
- Date: Thu, 21 Jun 2018 08:13:48 -0700
At this point I am comfortable eliminating the mouse as an issue for you. You
are right, mouse wheel processing is different. It came into the system well
before the trackpad support. I believe macOS is in the second or third
generation of trackpad support, with the last change adding gesture and depth
control.
Good luck finding the problem!
Jack
> On Jun 21, 2018, at 12:42 AM, Michael Starke
> <email@hidden> wrote:
>
> The mice where all connected via USB. No wireless mice where used or tested.
>
> Connections where:
> Mouse - MacBook
> Mouse - Dell Hub - MacBook
> Mouse - Apple Keyboard - Dell Hub - MacBook
>
> Checking the Trace in Instruments reveals that the scrolling via mouse wheel
> get processed differently than scrolling on the trackpad.
>
> - Michael
>
>> On 21. Jun 2018, at 02:01, Jack Brindle <email@hidden> wrote:
>>
>> Logitech mice don’t have drivers for the Mac these days, but the Options
>> software can add interesting capabilities. It is not required for general
>> use, but is required if you want any of the additional buttons or features
>> to be used.
>>
>> The next question I would ask is how you have the mouse attached to the
>> computer - Unifying receiver or bluetooth (BLE). It does make a difference,
>> we have seen interesting lag issues with BLE that don’t exist with the
>> Unifying receiver. If you are using BLE, I would suggest plugging in a
>> Unifying receiver that is paired to the mouse and trying the mouse with that
>> method of communications.
>>
>> I’m not saying this is a mouse issue, just trying to make sure it isn’t one.
>>
>> Jack Brindle
>> Logitech Engineering
>>
>>
>>> On Jun 20, 2018, at 4:53 AM, Michael Starke
>>> <email@hidden> wrote:
>>>
>>> I'm using a Logitech mouse without any additional drivers installed.
>>>
>>> I tried using a couple of Logitech mouses, directly attached to the Laptop,
>>> attached to the Hub inside the monitor, nothing changes. Every mouse
>>> behaves the same way that is, it's lagging on the initial scroll.
>>>
>>> I'll try to find some more mice from different vendors to see if this makes
>>> any difference. And I'll run Instruments to see if I can identify the
>>> bottleneck.
>>>
>>> - Michael
>>>
>>>> On 20. Jun 2018, at 06:03, Jack Brindle <email@hidden> wrote:
>>>>
>>>> What’s the mouse? It’s not from Apple, so what is it, how is it connected
>>>> and does it use any software to help it work?
>>>>
>>>> Jack
>>>>
>>>>
>>>>> On Jun 19, 2018, at 2:56 AM, Michael Starke
>>>>> <email@hidden> wrote:
>>>>>
>>>>> Hi list,
>>>>>
>>>>> I'm currently trying to find the bottleneck in my app MacPass that's
>>>>> causing the scrolling in the main table to be sluggish.
>>>>>
>>>>> Before diving deeply into Instruments to find the culprit I realized that
>>>>> scrolling with the trackpad is butter-smooth but scrolling using the
>>>>> mouse wheel is rather slow. When I start to scroll down, there's a slight
>>>>> delay but then the scrolling works smooth. This is not the case when
>>>>> scrolling up or when scrolling using the trackpad.
>>>>>
>>>>> I'm gladi if anyone could point me to a solution
>>>>>
>>>>> SDK is 10.12, deployment target is 10.10 and the NSTableView is NSView
>>>>> based
>>>>>
>>>>> - Michael
>>>>>
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>
>
> ___m i c h a e l s t a r k e____
> geschäftsführer
> HicknHack Software GmbH
> www.hicknhack-software.com
>
> ___k o n t a k t____
> +49 (170) 3686136
> email@hidden
>
> ___H i c k n H a c k S o f t w a r e G m b H____
> geschäftsführer - maik lathan | andreas reischuck | michael starke
> bayreuther straße 32
> 01187 dresden
> amtsgericht dresden HRB 30351
> sitz - dresden
>
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