From 10906e2e162a5294dcc5cde155a3708fbd374872 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 18 Jul 2017 20:09:48 +0300
Subject: [PATCH] Fix crash in change language box.

Each time a radiobutton was triggered it was destroyed in refresh().
---
 Telegram/SourceFiles/boxes/language_box.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/boxes/language_box.cpp b/Telegram/SourceFiles/boxes/language_box.cpp
index 7a084ed26..084b4dc07 100644
--- a/Telegram/SourceFiles/boxes/language_box.cpp
+++ b/Telegram/SourceFiles/boxes/language_box.cpp
@@ -54,6 +54,7 @@ LanguageBox::Inner::Inner(QWidget *parent, gsl::not_null<Languages*> languages)
 	_group->setChangedCallback([this](int value) { languageChanged(value); });
 	subscribe(Lang::Current().updated(), [this] {
 		activateCurrent();
+		refresh();
 	});
 }
 
@@ -96,12 +97,13 @@ void LanguageBox::Inner::languageChanged(int languageIndex) {
 void LanguageBox::Inner::activateCurrent() {
 	auto currentId = Lang::Current().id();
 	for (auto i = 0, count = _languages->size(); i != count; ++i) {
-		if ((*_languages)[i].id == currentId) {
+		auto languageId = (*_languages)[i].id;
+		auto isCurrent = (languageId == currentId) || (languageId == Lang::DefaultLanguageId() && currentId.isEmpty());
+		if (isCurrent) {
 			_group->setValue(i);
 			return;
 		}
 	}
-	refresh();
 }
 
 void LanguageBox::prepare() {