1 files changed, 80 insertions, 0 deletions
diff --git a/game/src/Game/LocaleButton.gd b/game/src/Game/LocaleButton.gd
new file mode 100644
index 0000000..2b717a4
--- /dev/null
+++ b/game/src/Game/LocaleButton.gd
@@ -0,0 +1,80 @@
+extends OptionButton
+
+const section_name : String = "localisation"
+const setting_name : String = "locale"
+
+var _default_locale_index : int
+
+func _ready():
+	var locales_country_rename : Dictionary = ProjectSettings.get_setting("internationalization/locale/country_short_name", {})
+
+	var locales_list = TranslationServer.get_loaded_locales()
+	var default_locale := Events.Localisation.get_default_locale()
+	if default_locale not in locales_list:
+		locales_list.push_back(default_locale)
+
+	for locale in locales_list:
+		# locale_name consists of a compulsory language name and optional script
+		# and country names, in the format: "<language>[ (script)][, country]"
+		var locale_name := TranslationServer.get_locale_name(locale)
+		var comma_idx := locale_name.find(", ")
+		if comma_idx != -1:
+			var locale_country_name := locale_name.substr(comma_idx + 2)
+			locale_country_name = locales_country_rename.get(locale_country_name, "")
+			if not locale_country_name.is_empty():
+				locale_name = locale_name.left(comma_idx + 2) + locale_country_name
+
+		add_item(locale_name)
+		set_item_metadata(item_count - 1, locale)
+
+		if locale == default_locale:
+			_default_locale_index = item_count - 1
+
+	Events.Options.load_settings.connect(load_setting)
+	Events.Options.save_settings.connect(save_setting)
+
+func _notification(what : int):
+	match what:
+		NOTIFICATION_TRANSLATION_CHANGED:
+			_select_locale_by_string(TranslationServer.get_locale())
+
+func _valid_index(index : int) -> bool:
+	return 0 <= index and index < item_count
+
+func load_setting(file : ConfigFile) -> void:
+	if file == null: return
+	var load_value = file.get_value(section_name, setting_name, Events.Localisation.get_default_locale())
+	match typeof(load_value):
+		TYPE_STRING, TYPE_STRING_NAME:
+			if _select_locale_by_string(load_value as String):
+				item_selected.emit(selected)
+				return
+	push_error("Setting value '%s' invalid for setting [%s] %s" % [load_value, section_name, setting_name])
+	reset_setting()
+
+func _select_locale_by_string(locale : String) -> bool:
+	for idx in item_count:
+		if get_item_metadata(idx) == locale:
+			selected = idx
+			return true
+	selected = _default_locale_index
+	return false
+
+# REQUIREMENTS:
+# * UIFUN-74
+func save_setting(file : ConfigFile) -> void:
+	if file == null: return
+	file.set_value(section_name, setting_name, get_item_metadata(selected))
+
+func reset_setting() -> void:
+	_select_locale_by_string(TranslationServer.get_locale())
+
+# REQUIREMENTS:
+# * SS-58
+func _on_item_selected(index : int) -> void:
+	if _valid_index(index):
+		TranslationServer.set_locale(get_item_metadata(index))
+		Events.Options.save_settings_to_file.call_deferred()
+	else:
+		push_error("Invalid LocaleButton index: %d" % index)
+		reset_setting()