[Spice-devel] spice-vdagent: how to enable additional mouse buttons?

[Frediano Ziglio]

Hi, 
if I remember I think the main issue is that these buttons are kind of wild west. 
Basically what is button 6 (first 5 are well defined) ? It can be anything so it could 
be that for instance my client left becomes right on the guest. 
Maybe just changing mouse model the semantic of the buttons on the guest change. 
Also I remember that GTK had some problems, these buttons are not defined, I think 
they are passed from the underlying system (Windows, X11, Wayland). 

However I see two "workaround": 
1- let the users take care of the mismatch. Either getting used to use a button 
instead of the other or using some tools; 
2- add a message to communicate the meaning of the various buttons (which can 
change for instance changing mouse). 

I think 1 is what was implemented by the patches, I'd go for this way. 
I hope softwares are not associating button semantics to computer shutdown 
or something "dangerous" like this. 

Frediano 

> On Tue, May 12, 2020 at 11:58 PM < bruts at netc.fr > wrote:

> > Hi Victor,
> 

> > Yes it was certainly a good read and i got some ideas from it, but the code
> > has changed quite a lot since 2017 and the patches correspond to the
> > current
> > code only for about 10-15%.
> 
> > Maybe someone from the Spice team can suggest a patch to add additional
> > mouse
> > buttons - i am sure that it would be a matter of minutes to an hour for
> > anyone who is involved with coding the spice-vdagent project to create a
> > general patch idea to add additional mouse buttons
> 

> Hello,

> I'll give it a try this morning, indeed it shouldn't require (much|any) new
> code, only flags here and there. Let's see

> Kevin

> > It is just a matter of forwarding them to the guest - for some reason it
> > was
> > decided not to add them.
> 

> > thanks!
> 

> > > De : Victor Toso < victortoso at redhat.com >
> > 
> 
> > > À : bruts at netc.fr
> > 
> 
> > > Sujet : Re: [Spice-devel] spice-vdagent: how to enable additional mouse
> > > buttons?
> > 
> 
> > > Date : 12/05/2020 07:25:59 Europe/Paris
> > 
> 
> > > Copie à : uril at redhat.com ;
> > 
> 
> > > spice-devel at lists.freedesktop.org
> > 
> 

> > > Hi,
> > 
> 

> > > On Tue, May 12, 2020 at 12:53:02AM +0200, bruts at netc.fr wrote:
> > 
> 
> > > >
> > 
> 
> > > >
> > 
> 
> > > > Uri (and others),
> > 
> 
> > > >
> > 
> 
> > > > I found the similar question in a few corners of the internet
> > 
> 
> > > > and I think adding at least the additional default mouse
> > 
> 
> > > > buttons should not be all that much work.
> > 
> 

> > > You can take a look at this proposal to adding horizontal wheel
> > 
> 
> > > support to Spice
> > 
> 

> > > https://lists.freedesktop.org/archives/spice-devel/2017-October/040558.html
> > 
> 

> > > > With some guidance I could probably do it myself, though the
> > 
> 
> > > > guidance would need to be quite substantial :)
> > 
> 
> > > >
> > 
> 
> > > > The mouse and the main buttons is already forwarded and that is
> > 
> 
> > > > the main part.
> > 
> 
> > > >
> > 
> 
> > > > with xev it is clear to see which buttons work on the host, but
> > 
> 
> > > > not on the guest.
> > 
> 
> > > >
> > 
> 
> > > > Anyone with some spare time (which I know is always limited for
> > 
> 
> > > > everyone), but help me where to fix this in the code and i will
> > 
> 
> > > > write a patch - or give me a good start - or start yourself.
> > 
> 
> > > >
> > 
> 
> > > > a semi working mouse in the guest is very annoying and can be
> > 
> 
> > > > one of the critical points why to use spice (or not) - at least
> > 
> 
> > > > i know it is in my case.
> > 
> 
> > > >
> > 
> 
> > > > Thanks!!
> > 
> 

> > > Cheers,
> > 
> 
> > > Victor
> > 
> 

> > _______________________________________________
> 
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> 
> > Spice-devel at lists.freedesktop.org
> 
> > https://lists.freedesktop.org/mailman/listinfo/spice-devel
> 

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