Add translations support (including EN and DE) (close #6)

mcg/__init__.py

@@ -10,6 +10,7 @@ import os
 # Set environment
 srcdir = os.path.abspath(os.path.dirname(__file__))
 datadir = os.path.join(srcdir, '..', 'data')
+localedir = os.path.join(srcdir, '..', 'locale')
 
 # Set GSettings schema dir (if not set already)
 if not os.environ.get('GSETTINGS_SCHEMA_DIR'):
@@ -28,3 +29,7 @@ class Environment:
 
     def get_data(subdir):
         return os.path.join(datadir, subdir)
+
+
+    def get_locale():
+        return localedir

mcg/application.py

@@ -3,6 +3,7 @@
 
 import gi
 gi.require_version('Gtk', '3.0')
+import locale
 import logging
 import urllib
 
@@ -17,6 +18,7 @@ from mcg import widgets
 class Application(Gtk.Application):
     TITLE = "MPDCoverGrid"
     ID = 'de.coderkun.mcg'
+    DOMAIN = 'mcg'
 
 
     def _get_option(shortname, longname, description):
@@ -52,6 +54,7 @@ class Application(Gtk.Application):
         self._load_resource()
         self._load_settings()
         self._load_css()
+        self._setup_locale()
         self._load_ui()
 
 
@@ -90,9 +93,15 @@ class Application(Gtk.Application):
         )
 
 
+    def _setup_locale(self):
+        relpath = Environment.get_locale()
+        locale.bindtextdomain(Application.DOMAIN, relpath)
+
+
     def _load_ui(self):
         # Create builder to load UI
         self._builder = Gtk.Builder()
+        self._builder.set_translation_domain(Application.DOMAIN)
         self._builder.add_from_resource(self._get_resource_path('gtk.glade'))
 
 

mcg/widgets.py

@@ -569,7 +569,7 @@ class ConnectionPanel(GObject.GObject):
         self._port_spinner = builder.get_object('server-port')
         # Passwort
         self._password_entry = builder.get_object('server-password')
-        # Image dir
+        # Image directory
         self._image_dir_entry = builder.get_object('server-image-dir')
 
         # Zeroconf provider