[ANNOUNCE] libei 0.4

[Peter Hutterer]

libei 0.4 is now available. libei is a library to send
Emulated Input (EI) to a matching Emulated Input Server (EIS) which can
receive those events with libeis, also part of this project.

libei uses GitLab releases, for tarballs please see:
https://gitlab.freedesktop.org/libinput/libei/-/releases/0.4

Notable changes since 0.3:
- ei_setup_backend_portal() was removed. The portal it connected to never
  really existed and all the efforts since have gone into supporting libei
  connections through the RemoteDesktop and the InputCapture portals. Note
  that these changes are not yet merged into upstream xdg-desktop-portal.
- a new library "liboeffis" takes the place of the above. It is a helper
  library to connect to the RemoteDesktop portal via DBus with a minimal API
  and retrieve the EIS socket.
  This library is intended to be used by tools that cannot easily talk DBus
  themselves (this includes Xwayland).
- the libei/libeis log handlers have a new API which makes handling log
  messages a bit simpler.
- version exchange between client/server make it possible (in the future) to
  have multiple supported protocol versions.

This is a development snapshot and neither API nor ABI should be considered
stable. Anyone using libei or libeis must keep both in sync, there are no
accommodations made for libei/libeis from different versions and the wire
protocol may break at any time.

Please see the API documentation here:
https://libinput.pages.freedesktop.org/libei/

The git shortlog is below:

Olivier Fourdan (7):
      README: Xwayland is a Wayland client
      Fix absolute events filtering
      util: Add block/release signals API
      util: Protect system calls against signals
      util: Add a wrapper for dup() and pipe2()
      ei: Use the signal protected wrappers
      liboeffis: protect from interrupted system calls

Peter Hutterer (44):
      Add a comment that reserved properties cannot be set by the API
      reis: fix return code handling in allow_capabilities
      reis: drop unnecessary variable rc
      proto: reformat according to the Google Style Guide
      proto: specify that Configure messages must be sent before connection
      eis: capabilities can only be reduced
      proto: document ConfigureCapabilities
      proto: split the Configure messages out a bit
      proto: document that only one ConfigureName is possible
      Remove a double semicolon
      util: only do flag_* operations if the bit fits
      test: rename the ei AUTOCONNECT behavior to HANDLE_CONNECT
      test: set up libreis support in eierpecken
      eis: send out the list of existing properties on connect
      eis: add eis_client_has_capability
      test: add a few tests for reis
      eis: default the client to only the capabilities we know about
      tools/demo-client: stop means stop sending events
      tools/demo-client: keep a ref to the ptr/kbd/abs devices
      tools: print property values in the demo client and server
      proto: split the client's SetProperty from the server event
      log: allocate the log message on demand
      log: enforce single logical messages only
      Drop the trailing newline from the log messages
      log: abstract the auxiliary information into a log message context
      tools: drop help for obsolete --sender option from the eis-demo-server
      Add a version macro for grepable version numbers
      proto: add a version exchange prior to connect
      proto: allow the client to set the protocol version
      proto: add versioned Configure transactions
      Fix some logging linebreak issues
      proto: separate pre-connection properties into ConfigureProperty
      doc: fix two references to function calls
      doc: fix a doxygen warning about a wrong parameter name
      doc: fix a comment in util-mem.h
      meson.build: fix an indentation issue
      CI: purge all references to the master branch
      CI: bump to Fedora 37
      CI: bump to latest ci-templates
      README: swap to RemoteDesktop over the nonexistent EmulatedInput portal
      Purge the portal code
      liboeffis is a wrapper library for the RemoteDesktop communication
      util: change the signal handler to a context-manager like macro
      libei 0.4


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