feat[Vanilla-OS#104]: Rebuild the UI with the new language

vanilla_installer/defaults/language.py

@@ -14,6 +14,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import os
 import re
 from gi.repository import Adw, Gtk
 from vanilla_installer.core.languages import all_languages, current_language
@@ -41,7 +42,6 @@ def __on_check_button_toggled(self, widget):
         self.__selected_language["language_title"] = self.__title
         self.__selected_language["language_subtitle"] = self.__subtitle
 
-
 @Gtk.Template(resource_path="/org/vanillaos/Installer/gtk/default-language.ui")
 class VanillaDefaultLanguage(Adw.Bin):
     __gtype_name__ = "VanillaDefaultLanguage"
@@ -66,7 +66,7 @@ def __init__(self, window, distro_info, key, step, **kwargs):
             self.all_languages_group.append(widget)
 
         # signals
-        self.btn_next.connect("clicked", self.__window.next)
+        self.btn_next.connect("clicked", self.__next)
         self.all_languages_group.connect(
             "selected-rows-changed", self.__language_verify
         )
@@ -99,6 +99,11 @@ def __generate_language_list_widgets(self):
                 self.selected_language["language_title"] = language_title
                 self.selected_language["language_subtitle"] = language_code
 
+    def __next(self, _):
+        os.environ["LANG"] = self.selected_language["language_subtitle"]
+        self.__window.rebuild_all()
+        self.__window.next()
+
     def get_finals(self):
         return {"language": self.selected_language["language_subtitle"]}
 

vanilla_installer/windows/main_window.py

@@ -71,6 +71,10 @@ def rebuild_ui(self, mode=1):
         self.install_mode = mode
         self.__build_ui(True, mode)
 
+    def rebuild_all(self):
+        self.__builder = Builder(self)
+        self.rebuild_ui(self.install_mode)
+
     def __build_ui(self, rebuild=False, mode=0):
         property_list = self.__builder.property_list