Add i18n support

.gitignore

@@ -20,3 +20,13 @@ py-compile
 .tags1
 .vscode
 
+ABOUT-NLS
+po/Makefile.in.in
+po/POTFILES
+po/Makevars.template
+po/Rules-quot
+po/*.gmo
+po/*.header
+po/*.sed
+po/*.sin
+po/*.pot

Makefile.am

@@ -1 +1,3 @@
-SUBDIRS = src
+SUBDIRS = src po
+
+ACLOCAL_AMFLAGS = -I m4

configure.ac

@@ -23,13 +23,13 @@ AS_IF([test "x$with_gtk3" != xno],
 #AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], ["$GETEX_PACKAGE"], [Define the gettext package to be used])
 #AC_SUBST(GETTEXT_PACKAGE)
 
-#AM_GLIB_GNU_GETTEXT
+AM_GNU_GETTEXT_VERSION([0.19])
+AM_GNU_GETTEXT([external])
 
 #m4_pattern_allow([AM_V_GEN])dnl Make autoconf not complain about the rule below
 #PANEL_INTLTOOL_MATE_PANEL_APPLET_RULE='%.mate-panel-applet: %.mate-panel-applet.in $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po) ; $(AM_V_GEN) LC_ALL=C $(INTLTOOL_MERGE) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< [$]@'
 #AC_SUBST([PANEL_INTLTOOL_MATE_PANEL_APPLET_RULE])
 
-#AC_CONFIG_FILES([Makefile  src/Makefile po/Makefile.in])
-AC_CONFIG_FILES([Makefile src/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile po/Makefile.in])
 
 AC_OUTPUT

po/LINGUAS

@@ -0,0 +1,2 @@
+es
+fr

po/Makevars

@@ -0,0 +1,55 @@
+# Makefile variables for PO directory in any package using GNU gettext.
+
+# Usually the message domain is the same as the package name.
+# However, the package name doesn't have the "mate" prefix but we want
+# to avoid catalog name clashes so we add it here.
+DOMAIN = mate-dock-applet
+
+# These two variables depend on the location of this directory.
+subdir = po
+top_builddir = ..
+
+# These options get passed to xgettext.
+XGETTEXT_OPTIONS = --keyword=_ --keyword=N_ --from-code=utf-8
+
+# This is the copyright holder that gets inserted into the header of the
+# $(DOMAIN).pot file.  Set this to the copyright holder of the surrounding
+# package.  (Note that the msgstr strings, extracted from the package's
+# sources, belong to the copyright holder of the package.)  Translators are
+# expected to transfer the copyright for their translations to this person
+# or entity, or to disclaim their copyright.  The empty string stands for
+# the public domain; in this case the translators are expected to disclaim
+# their copyright.
+COPYRIGHT_HOLDER = Free Software Foundation, Inc.
+
+# This is the email address or URL to which the translators shall report
+# bugs in the untranslated strings:
+# - Strings which are not entire sentences, see the maintainer guidelines
+#   in the GNU gettext documentation, section 'Preparing Strings'.
+# - Strings which use unclear terms or require additional context to be
+#   understood.
+# - Strings which make invalid assumptions about notation of date, time or
+#   money.
+# - Pluralisation problems.
+# - Incorrect English spelling.
+# - Incorrect formatting.
+# It can be your email address, or a mailing list address where translators
+# can write to without being subscribed, or the URL of a web page through
+# which the translators can contact you.
+MSGID_BUGS_ADDRESS = https://github.com/ubuntu-mate/mate-dock-applet/issues
+
+# This is the list of locale categories, beyond LC_MESSAGES, for which the
+# message catalogs shall be used.  It is usually empty.
+EXTRA_LOCALE_CATEGORIES =
+
+# This tells whether the $(DOMAIN).pot file contains messages with an 'msgctxt'
+# context.  Possible values are "yes" and "no".  Set this to yes if the
+# package uses functions taking also a message context, like pgettext(), or
+# if in $(XGETTEXT_OPTIONS) you define keywords with a context argument.
+USE_MSGCTXT = no
+
+# These options get passed to msgmerge.
+# Useful options are in particular:
+#   --previous            to keep previous msgids of translated messages,
+#   --quiet               to reduce the verbosity.
+MSGMERGE_OPTIONS =

po/POTFILES.in

@@ -0,0 +1,17 @@
+# List of source files which contain translatable strings.
+src/dock.py
+src/dock_about.py
+src/dock_action_list.py
+src/dock_applet.py
+src/dock_color_changer.py
+src/dock_custom_launcher.py
+src/dock_info.py
+src/dock_popup.py
+src/dock_prefs.py
+src/dock_win_list.py
+src/dock_xml.py
+src/docked_app.py
+src/docked_app_helpers.py
+src/dom_color.py
+src/log_it.py
+src/window_control.py