Re: Touchpad gestures for zooming

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Hi,

On 12/3/20 12:18 AM, Povilas Kanapickas wrote:
> Hi all,
> 
> On 12/2/20 3:19 PM, Tobias Jakobs wrote:
>> Hello Povilas,
>>
>> Am Di., 1. Dez. 2020 um 23:55 Uhr schrieb Povilas Kanapickas <povilas@xxxxxxxx>:
>>>
>>> I would like to implement touchpad gesture support in GIMP. Perhaps the
>>> most useful use case is the ability to do pinch gesture to zoom the
>>> currently opened image in and out. I would like to focus on just this
>>> use case initially.
>>>
>>> Is this something the team sees as an useful feature?
>>>
>> Yes, please do so. There is even an open issue for this:
>> https://gitlab.gnome.org/GNOME/gimp/-/issues/717
>>
>> If you implement it I think you should use the master branch, because
>> it's gtk3 and you can use GtkGestureZoom there:
>> https://gitlab.gnome.org/GNOME/gimp/commits/master
>> https://developer.gnome.org/gtk3/stable/GtkGestureZoom.html
>> https://developer.gnome.org/Gestures/
>>
> 
> Thanks a lot for your support.
> 
> I will come back a little bit later with a more concrete proposal.
> 

A short update on this feature. I've implemented it in
https://gitlab.gnome.org/GNOME/gimp/-/merge_requests/401.

It does not currently support touchscreens, only touchpads.

Cheers,
Povilas
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