This is Input Leap packaged with nix

This has successfully been run on the following configurations:

nix build .

Then collect your app under ./result/Applications/InputLeap.app

On the server, choose Use existing configuration and use a configuration (~/input-leap.conf) that looks like the following:

section: screens
        ubu:
        mac:
end

section: links
        ubu:
                left = mac
        mac:
                right = ubu
end

Then start/reload.

On the client, set the Server IP to that of the server.

Then start, a dialog will appear, turn on Allow remote interaction and [Share].

You should now be able to use your mouse and keyboard across machines!

• Input Leap: https://github.com/input-leap/input-leap
• Arch wiki: https://wiki.archlinux.org/title/Input_Leap

• The Configure Interactively function doesn't to work, editing the GUI fails.
• The client needs to be logged in and the input leap GUI must be opened manually and started
• Make sure no other synergy/barrier/input leap instance or similar is running
• The clipboard doesn't work for me
• CMD key doesn't work on the linux client
• Focus doesn't leave the host, when interacting with the client. So the cursor and sometimes text gets selected on the host screen :/
• If ~/input-leap.conf is invalid, the GUI may just crash

ERROR: invalid message from client "lowrey": DINF

The server's ~/input-leap.conf has an invalid configuration, confirm the configuration attributes are correct.

When looking for a KVM to use on macbook and a linux desktop...

• Synergy was the original project, was using this with a windows client
  • Unfortunately, there's no installer yet for gnome/wayland/nix.
• Barrier is a fork of Synergy appears unmaintained.
  • This was almost working, but there was no cursor on gnome/wayland.
  • It was unclear why it would stop working frequently
• Input Leap is a fork of Barrier, the build was approachable.

Add the following to your flake configuration

# flake.nix
{
    inputs = {
        # ...
        input-leap.url = "github:wav/input-leap.nix";
        # ...
    };
    
    outputs = inputs: {
        # ...
        overlays = [ inputs.input-leap.overlays.default ];
        # ...
    };
}

Add the package to your env

# configuration.nix
{ pkgs, ...}: {
    # ...
    environment.systemPackages = [ pkgs.input-leap ];
    # ...
}

Then rebuild. The desktop applications will now appear in your programs/applications.