Implementing right click and middle click drag

Sagar Tewari iaansagar at
Thu Jul 12 02:52:09 UTC 2018

Thanks, I'll get myself working on it.

On Thu, Jul 12, 2018, 08:19 Peter Hutterer <peter.hutterer at> wrote:

> On Tue, Jul 10, 2018 at 01:06:17PM +0530, Sagar Tewari wrote:
> > I would like to work on implementing right and middle click drag as
> > two/three finger tap followed by a single tap drag, the way it works in
> > synaptics driver. I found that this topic has been discussed previously:
> >
> >
> > But this was the single main on that topic in the archives.
> >
> > To Peter Hutterer, where can I find the patch being discussed in that
> mail?
> > Would it be better to start from scratch since the patch was apparantly
> > flawed?
> I've forwarded the attachments from that thread to you off-list.
> Basically, that patch was incomplete and didn't handle some states and
> transitions. It also wasn't documented clearly, in that it didn't explain
> what it *intended* to do. For hairy stuff like this, knowing what the
> intention was is more important than the code so we know what is a bug and
> what isn't.
> Note that the state machine is the main source of information here, the
> actual tapping code is just a bunch of switch statements based on the
> state.
> Cheers,
>    Peter
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