Hi, On Thu, 20 Jul 2023 at 21:41, Jonas Ådahl <jad...@gmail.com> wrote:
> On Thu, Jul 20, 2023 at 01:47:47PM -0500, Matt Hoosier wrote: > > Hi, > > > > For a while now, I’ve been hoping to see some commercial solutions like > > https://symless.com/synergy that implement keyboard and mouse sharing > > finally add support for running on DEs that use Wayland. > > > > It seems to be forever on their feature roadmaps but never really getting > > closer. > > > > I assume the problem is lack of a good way to snoop on the input events > and > > (maybe; not sure how these commercial solutions implement it) rewrite or > > suppress certain input events when they’re talking to a typical DE > > compositor like Mutter. > > > > I had a quick look through the current set of things in > wayland-protocols, > > and nothing jumped out at me as work in that direction. > > > > Does anybody know of something underway in the upstream compositors that > > might not have filtered down to wayland-protocols yet, which would be > > useful for securely implementing mouse/keyboard sharing across separate > > machines? Maybe I could point these vendors to it. > > There is an ongoing, effort to achieve this with xdg-desktop-portal > APIs, where the intention is to allow a sandboxed input-leap (or in > theory synergy) to be able to act as both a server and client in a > Wayland session, while still actively requiring user consent. The pieces > that I know of that currently have implementations that ties it all > together are input-leap, xdg-desktop-portal, the GNOME portal backend > (xdg-desktop-portal-gnome & mutter). > > The portals in question are input capture[1], for capturing the input > from a display server (to the input leap *server*), and remote > desktop[2], for remote controlling / injecting input events to a display > server (from the input leap *client*). The portal APIs rely on libei[3] > for input event transmission - the portals are there to negotiate > consent and to set up sessions. > > > > > Jonas > > [1] https://github.com/flatpak/xdg-desktop-portal/pull/714 > [2] > https://flatpak.github.io/xdg-desktop-portal/#gdbus-org.freedesktop.portal.RemoteDesktop > [3] https://gitlab.freedesktop.org/libinput/libei To complement what Jonas said, the merge request to add support for this in InputLeap is [4] and the code seems to have been kept updated since then AFAICS [5]. It should be possible to use input-leap with mouse/keyboard sharing with > all the building blocks manually compiled, but nothing has shipped in > distributions yet. FWIW, as a teaser internally, I made a video a few months ago of this working on a local build here [6] between two laptops (please make sure to turn the sound down, apologies for that!) :-) The relevant bits for this (and more) are all linked from that libEI issue [7]. Cheers Olivier [4] https://github.com/input-leap/input-leap/pull/1594 [5] https://github.com/input-leap/input-leap/pulls?q=libei [6] https://youtu.be/8XUUFuwsDWQ [7] https://gitlab.freedesktop.org/libinput/libei/-/issues/1
