[Browser] Do not try to open window if server is no more reachable

apps/browser/MainWindow.cpp

@@ -121,7 +121,13 @@ void MainWindow::play()
 
     int sourceId = proxyModel->mapToSource(proxyModel->index(id, ServerData::ADDR)).row();
     infoDialog.Server(sm->myData[sourceId].addr);
-    infoDialog.refresh();
+
+    if (!infoDialog.refresh())
+    {
+        queryHelper->refresh();
+        return;
+    }
+
     if(!infoDialog.exec())
         return;
 

apps/browser/ServerInfoDialog.cpp

@@ -28,7 +28,7 @@ void ServerInfoDialog::Server(QString addr)
     this->addr = addr;
 }
 
-void ServerInfoDialog::refresh()
+bool ServerInfoDialog::refresh()
 {
     QStringList list = addr.split(':');
     auto sd = QueryClient::Get().Update(SystemAddress(list[0].toLatin1(), list[1].toUShort()));
@@ -43,15 +43,11 @@ void ServerInfoDialog::refresh()
         listPlayers->clear();
 
         for(auto player : sd.second.players)
-        {
             listPlayers->addItem(QString::fromStdString(player));
-        };
 
         listPlugins->clear();
         for(auto plugin : sd.second.plugins)
-        {
             listPlugins->addItem(QString::fromStdString(plugin.name));
-        }
 
         listRules->clear();
         const static vector<std::string> defaultRules {"gamemode", "maxPlayers", "name", "passw", "players", "version"};
@@ -68,5 +64,7 @@ void ServerInfoDialog::refresh()
         }
 
         lblPlayers->setText(QString::number(sd.second.players.size()) + " / " + QString::number(sd.second.GetMaxPlayers()));
+        return true;
     }
+    return false;
 }

apps/browser/ServerInfoDialog.hpp

@@ -15,7 +15,7 @@ public:
     virtual ~ServerInfoDialog();
     void Server(QString addr);
 public slots:
-    void refresh();
+    bool refresh();
 private:
     QString addr;
 };