Comments on multitouch/touch docker

Alvin Wong alvinhochun+krita at
Tue Dec 5 11:56:10 UTC 2017

A few weeks ago I had a look at the code that handles the touch
gestures. While it does pan and zoom sort of fine, I felt that
something just seems a bit off. I would want to define a state diagram
for the touch handling before doing any work and possibly rewriting a
bunch of the touch handling code.

I might consider giving it a go, but at present I have too many items pending...

2017-12-05 15:50 GMT+08:00 Boudewijn Rempt <boud at>:
> On Tue, 5 Dec 2017, Brendan Scott wrote:
>> I have had a look at the touch docker. It's a great idea, particularly an undo
>> button! That said, some of the items - like zoom, rotate and pan - seem better
>> implemented using multitouch. I know krita 3.3 has zoom/pan.
>> Will Krita 4 support these and rotation?
> Not unless someone writes the code for it. We tried that before, and it didn't
> work out. I don't remember all the details, but Arjen couldn't make it work. I
> don't plan to work on it.
>> If so, is there any need for these - as any touch screen that doesn't have a
>> keyboard of its own is most likely going to support multitouch.
> --
> Boudewijn Rempt |,

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