Add server description to favourites, if supported by server. (#648)

* Allow servers to directly set the server description

* Hijack PN packet to add description.

* Update lobby.cpp

Apply suggested change

include/lobby.h

@@ -35,6 +35,7 @@ public:
   void append_chatmessage(QString f_name, QString f_message);
   void append_error(QString f_message);
   void set_player_count(int players_online, int max_players);
+  void set_server_description(const QString& server_description);
   void set_stylesheet(QWidget *widget);
   void set_stylesheets();
   void set_fonts();

src/lobby.cpp

@@ -431,8 +431,7 @@ void Lobby::on_server_list_clicked(QTreeWidgetItem *p_item, int column)
       f_server = ao_app->get_favorite_list().at(n_server);
     }
 
-    ui_description->clear();
+    set_server_description(f_server.desc);
-    ui_description->append_linked(f_server.desc);
 
     ui_description->moveCursor(QTextCursor::Start);
     ui_description->ensureCursorVisible();
@@ -563,6 +562,12 @@ void Lobby::set_player_count(int players_online, int max_players)
   ui_player_count->setText(f_string);
 }
 
+void Lobby::set_server_description(const QString& server_description)
+{
+    ui_description->clear();
+    ui_description->append_linked(server_description);
+}
+
 void Lobby::enable_connect_button() { ui_connect->setEnabled(true); }
 
 Lobby::~Lobby() {}

src/packet_distribution.cpp

@@ -143,6 +143,10 @@ void AOApplication::server_packet_received(AOPacket *p_packet)
     w_lobby->set_player_count(f_contents.at(0).toInt(),
                               f_contents.at(1).toInt());
 
+    if (f_contents.size() >= 3) {
+        w_lobby->set_server_description(f_contents.at(2));
+    }
+
     if (w_lobby->doubleclicked) {
         send_server_packet(new AOPacket("askchaa#%"));
         w_lobby->doubleclicked = false;