gnu: Add viewnior.

* gnu/packages/image-viewers.scm (viewnior): New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

gnu/local.mk

@@ -187,6 +187,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/icu4c.scm			\
   %D%/packages/idutils.scm			\
   %D%/packages/image.scm			\
+  %D%/packages/image-viewers.scm	\
   %D%/packages/imagemagick.scm			\
   %D%/packages/indent.scm			\
   %D%/packages/inklingreader.scm		\

gnu/packages/image-viewers.scm

+;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages image-viewers)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix download)
+  #:use-module (guix packages)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages geeqie)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages gnome)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages pkg-config))
+
+(define-public viewnior
+  (package
+    (name "viewnior")
+    (version "1.6")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (string-append "https://github.com/xsisqox/Viewnior/archive/"
+                            name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "18309qjgwak3kn228z3p3nx7yxasqgzx69v3rgc23hf161nky0c9"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'autogen
+           (lambda _
+             (zero? (system* "sh" "autogen.sh")))))))
+    (native-inputs
+     `(("automake" ,automake)
+       ("autoconf" ,autoconf)
+       ("intltool" ,intltool)
+       ("glib" ,glib "bin") ; glib-genmarshal
+       ("gnome-common" ,gnome-common)
+       ("libtool" ,libtool)
+       ("pkg-config" ,pkg-config)
+       ("shared-mime-info" ,shared-mime-info)
+       ("which" ,which)))
+    (inputs
+     `(("exiv2" ,exiv2)
+       ("gdk-pixbuf" ,gdk-pixbuf)
+       ("gtk+-2" ,gtk+-2)))
+    (home-page "http://siyanpanayotov.com/project/viewnior/")
+    (synopsis "Simple, fast and elegant image viewer")
+    (description "Viewnior is an image viewer program.  Created to be simple,
+fast and elegant.  Its minimalistic interface provides more screenspace for
+your images.  Among its features are:
+@enumerate
+@item Fullscreen & Slideshow
+@item Rotate, flip, crop, save, delete images
+@item Animation support
+@item Browse only selected images
+@item Navigation window
+@item Set image as wallpaper (Gnome 2, Gnome 3, XFCE, LXDE, FluxBox, Nitrogen)
+@item Simple interface
+@item EXIF and IPTC metadata
+@item Configurable mouse actions
+@end enumerate\n")
+    (license license:gpl3+)))