[fix] show self-hosted TLS certificate errors in status bar

src/gui/assets/localization/localization_data.h

@@ -158,6 +158,9 @@ struct TranslationRow {
   X(signal_connected, u8"已连接服务器", "Connected", u8"Подключено к серверу") \
   X(signal_disconnected, u8"未连接服务器", "Disconnected",                     \
     u8"Нет подключения к серверу")                                             \
+  X(signal_tls_cert_error, u8"证书验证失败，请重新安装自托管根证书",           \
+    "Certificate verification failed. Reinstall the self-hosted root certificate.", \
+    u8"Ошибка проверки сертификата. Переустановите корневой сертификат.")      \
   X(p2p_connected, u8"对等连接已建立", "P2P Connected", u8"P2P подключено")    \
   X(p2p_disconnected, u8"对等连接已断开", "P2P Disconnected",                  \
     u8"P2P отключено")                                                         \

src/gui/render_callback.cpp

@@ -1231,6 +1231,8 @@ void Render::OnSignalStatusCb(SignalStatus status, const char* user_id,
       render->signal_connected_ = false;
     } else if (SignalStatus::SignalServerClosed == status) {
       render->signal_connected_ = false;
+    } else if (SignalStatus::SignalTlsCertError == status) {
+      render->signal_connected_ = false;
     }
   } else {
     if (client_id.rfind("C-", 0) != 0) {
@@ -1258,6 +1260,8 @@ void Render::OnSignalStatusCb(SignalStatus status, const char* user_id,
       props->signal_connected_ = false;
     } else if (SignalStatus::SignalServerClosed == status) {
       props->signal_connected_ = false;
+    } else if (SignalStatus::SignalTlsCertError == status) {
+      props->signal_connected_ = false;
     }
   }
 }

src/gui/toolbars/status_bar.cpp

@@ -26,20 +26,31 @@ int Render::StatusBar() {
   ImDrawList* draw_list = ImGui::GetWindowDrawList();
   draw_list->AddCircleFilled(dot_pos, status_bar_height * 0.25f,
                              ImColor(1.0f, 1.0f, 1.0f), 100);
+  bool tls_cert_error =
+      signal_status_ == SignalStatus::SignalTlsCertError;
   draw_list->AddCircleFilled(dot_pos, status_bar_height * 0.2f,
-                             ImColor(signal_connected_ ? 0.0f : 1.0f,
+                             tls_cert_error
-                                     signal_connected_ ? 1.0f : 0.0f, 0.0f),
+                                 ? ImColor(1.0f, 0.65f, 0.0f)
+                                 : ImColor(signal_connected_ ? 0.0f : 1.0f,
+                                           signal_connected_ ? 1.0f : 0.0f,
+                                           0.0f),
                              100);
 
   ImGui::SetWindowFontScale(0.6f);
+  const char* signal_status_text =
+      tls_cert_error
+          ? localization::signal_tls_cert_error[localization_language_index_]
+                .c_str()
+          : (signal_connected_
+                 ? localization::signal_connected[localization_language_index_]
+                       .c_str()
+                 : localization::signal_disconnected
+                       [localization_language_index_]
+                           .c_str());
   draw_list->AddText(
       ImVec2(status_bar_width * 0.045f,
              io.DisplaySize.y * (1 - STATUS_BAR_HEIGHT * 0.9f)),
-      ImColor(0.0f, 0.0f, 0.0f),
+      ImColor(0.0f, 0.0f, 0.0f), signal_status_text);
-      signal_connected_
-          ? localization::signal_connected[localization_language_index_].c_str()
-          : localization::signal_disconnected[localization_language_index_]
-                .c_str());
   ImGui::SetWindowFontScale(1.0f);
 
   ImGui::EndChild();