[vfio-users] Virtual USB Keyboard and Mouse for guest?

[Blank Field]

I don't want to be rude, but seriously, dude, are you stoned?
http://i.imgur.com/HREQQVF.png
We have that.. since the very beginning!
It works REALLY as you've described.
There are two minor problems, however.
First - that silly QEMU SDL or VirtManager VM window disables the surface
where it grabs the mouse(click-to-grab) when there's no emulated GPU
present. Well, i workaround that by adding a dead QXL device, which gets
turned off by windows automatically(i don't know why) when the real GPU
fires up. It works on bare QEMU and VirtManager too.
Second - you must add two mice, PS2 and USB. That way it almost never falls
off or lags in any games. Using either of those alone produces weird
lagging and even stalls in weird games like minecraft. This issue is
virt-manager specific, and may be machine specific.

Anyway, after adding a bunch of devices, i have a window that shows nothing
and can be resized to the smallest size. I click my mouse on the black
rectangle inside of it, and the mouse and keyboard controls are now grabbed
and passed to the guest.
The only keystroke i can't send is ctrl-alt-delete for some weird reason.
When i want to control the host system again, i follow the hint shon and
push the ctrl-alt-shift key combination and my controls are now free from
the VM.

I'm glad you didn't send that feature request to qemu-devel or qemu-discuss
mailing lists.

2015-08-31 21:18 GMT+03:00 Jonathan Scruggs <j.scruggs at gmail.com>:

> Hi all,
>
> This is an idea I had that would be really cool if possible. If it is, you
> may want to somehow build it into VirtManager or something.
>
> Currently, I have a Windows guest using Synergy, but somethings Windows
> has popups that disable Synergy and only a real mouse would work. Also, you
> can't update Synergy while using Synergy. My solution which is better than
> Synergy and solves these issues:
>
> Would it be possible to have the real mouse and keyboard that is plugged
> into the host to be (this is where I struggle for the right words)
> duplicated/virtualized/emulated so that they can be passed through to the
> guest as a USB device and used on the host system as well. There would be a
> program that listens for a certain key combination that would switch the
> control to either the VM or host. Then windows would think it has a real
> USB keyboard and mouse rather than Synergy. This is especially useful when
> there is a dedicated graphics card passed through.
>
> This seems like something that VirtManger can have built in, like select
> an option to do this and it would switch the inputs between the systems.
> The only thing is, is that the mouse and keyboard would still need to be
> visible to the guest/host just no movements/keystrokes being sent. Also,
> calling external programs, like those that can switch monitor inputs should
> be added to this.
>
> This will lose the clipboard sharing and other features of Synergy, but I
> don't use those anyways, and this would be a lot more stable and better for
> the guests.
>
> Does this make sense?
>
> Thanks,
> Jon
>
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