Fixed storing of updated channel modes

IRCClient/IRCBase.cpp

@@ -532,7 +532,10 @@ struct IRCBasePriv
 			}
 
 			else if (group == 'D') {
-				chan->setMode(m, "");
+			    if (sign == '+')
+    				chan->setMode(m, "");
+			    else
+                    chan->delMode(m);
 			}
 
 			else if (group == 'M') {

IdealIRC/IRC.cpp

@@ -210,6 +210,10 @@ void IRC::onMsgMode(const IRCPrefix& sender, const std::string& target, const st
                 emit memberChanged(member.member()->prefix().nickname().c_str(), member);
             }
         }
+
+        auto subwin = MdiManager::instance().findWindow(&getStatus(), QString::fromStdString(target));
+        if (subwin)
+            subwin->refreshWindowTitle();
     }
 
     /* User-mode changed */
@@ -322,6 +326,9 @@ void IRC::onMsgTopic(const IRCPrefix& sender, const std::string& target, const s
 		else
 			msg = fmt::format("{} removed the topic", sender.toString());
 		getStatus().printTo(target.c_str(), PrintType::Topic, msg.c_str());
+		auto subwin = MdiManager::instance().findWindow(&getStatus(), QString::fromStdString(target));
+		if (subwin)
+            subwin->refreshWindowTitle();
 	}
 
 	contextualScriptEvent(&m_status, ScriptEvent::Topic, sender.toString(), target, topic);