gnu: Add rust-gtk3-macros-0.14.

* gnu/packages/crates-gtk.scm (rust-gtk3-macros-0.14): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/crates-gtk.scm

@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2020, 2021 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2020, 2021 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2022 Petr Hodina <phodina@protonmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -977,6 +978,35 @@
     (description "This package provides FFI bindings to libgtk-3.")
     (license license:expat)))
 
+(define-public rust-gtk3-macros-0.14
+  (package
+    (name "rust-gtk3-macros")
+    (version "0.14.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "gtk3-macros" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0yavfirn2iw9nsxik6m7s2cdxdrl5l5jfbiwn0zl85y1dnlivpi1"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build?
+       #t
+       #:cargo-inputs
+       (("rust-anyhow" ,rust-anyhow-1)
+        ("rust-heck" ,rust-heck-0.3)
+        ("rust-proc-macro-crate" ,rust-proc-macro-crate-1)
+        ("rust-proc-macro-error" ,rust-proc-macro-error-1)
+        ("rust-proc-macro2" ,rust-proc-macro2-1)
+        ("rust-quote" ,rust-quote-1)
+        ("rust-syn" ,rust-syn-1))))
+    (home-page "https://gtk-rs.org/")
+    (synopsis "Rust bindings for the GTK 3 library")
+    (description "This package provides Rust bindings for the GTK 3
+library.")
+    (license license:expat)))
+
 (define-public rust-pango-0.9
   (package
     (name "rust-pango")