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projectmoon-overlay/docs/Input-Leap.md

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Input Leap

This overlay has a working, updated version of Input Leap, a fork of Barrier (itself a fork of Synergy), which is a "virtual KVM switch", allowing you to share a keyboard and mouse between several computers over the network.

The most important things about Input Leap:

  • Maintained.
  • Supports Wayland.

Project Status

Input Leap is technically alpha quality, because it does not yet have a stable release. Thus, the ebuild is a 9999 version ebuild.

Building from HEAD is highly unstable and NOT recommended. See below.

Setup

To use this overlay's version of Input Leap, unmask the following packages:

dev-libs/libportal::projectmoon
x11-misc/input-leap::projectmoon

Then add the package accept keywords:

dev-libs/libportal::projectmoon
x11-misc/input-leap::projectmoon **

The double star allows unstable git builds.

A portage env config is currently required to install this ebuild. Create a file /etc/portage/env/input-leap.conf and then add an entry to /etc/portage/package.env. The latest commits to input-leap have broken the git build. The last known working build of a stable release is v3.0.1.

The input-leap.conf file should have the following:

MYCMAKEARGS="-DQT_DEFAULT_MAJOR_VERSION=5"
EGIT_OVERRIDE_COMMIT_INPUT_LEAP_INPUT_LEAP="v3.0.1"

Then the package.env entry should be:

x11-misc/input-leap::projectmoon input-leap.conf

USE Flags

This ebuild of Input Leap supports Wayland integration via libei, on supported compositors (notably, wlroots is apparently not supported by upstream). To use the libei integration, you must have a version of libportal with Input Capture support, which at time of writing (libportal 0.7.1) is not yet released.

This overlay contains a custom ebuild of dev-libs/libportal that can enable Input Capture. The patch is cherry-picked from the upstream commits.

To configure Input Leap to use libei for Wayland support, add the following USE declarations:

dev-libs/libportal inputcapture
x11-misc/input-leap wayland

Note that inputcapture is NOT a USE flag on the main Gentoo ebuild. So if you haven't unmasked this overlay's version of libportal, you will receive an error when trying to install Input Leap.