fix(core): update group peerLists on local changes

src/model/friend.cpp

@@ -84,6 +84,14 @@ void Friend::setAlias(const QString& alias)
     if (oldDisplayed != newDisplayed) {
         emit displayedNameChanged(newDisplayed);
     }
+
+    for (Group* g : GroupList::getAllGroups()) {
+        if (userAlias.isEmpty()) {
+            g->updateUsername(friendPk, userName);
+            continue;
+        }
+        g->updateUsername(friendPk, userAlias);
+    }
 }
 
 void Friend::setStatusMessage(const QString& message)

src/model/group.cpp

@@ -119,6 +119,12 @@ void Group::regeneratePeerList()
     emit userListChanged(groupId, toxpks);
 }
 
+void Group::updateUsername(ToxPk pk, const QString newName)
+{
+    toxpks[pk] = newName;
+    emit userListChanged(groupId, toxpks);
+}
+
 bool Group::isAvGroupchat() const
 {
     return avGroupchat;

src/model/group.h

@@ -47,6 +47,7 @@ public:
     bool getMentionedFlag() const;
 
     void updatePeer(int peerId, QString newName);
+    void updateUsername(ToxPk pk, const QString newName);
     void setName(const QString& newTitle) override;
     void setTitle(const QString& author, const QString& newTitle);
     QString getName() const;

src/nexus.cpp

@@ -213,6 +213,7 @@ void Nexus::showMainGUI()
     connect(core, &Core::friendTypingChanged, widget, &Widget::onFriendTypingChanged);
     connect(core, &Core::messageSentResult, widget, &Widget::onMessageSendResult);
     connect(core, &Core::groupSentFailed, widget, &Widget::onGroupSendFailed);
+    connect(core, &Core::usernameSet, widget, &Widget::refreshPeerListsLocal);
 
     connect(widget, &Widget::statusSet, core, &Core::setStatus);
     connect(widget, &Widget::friendRequested, core, &Core::requestFriendship);

src/widget/form/groupchatform.cpp

@@ -337,7 +337,12 @@ void GroupChatForm::sendJoinLeaveMessages()
             addSystemInfoMessage(tr("%1 has joined the group").arg(name), ChatMessage::INFO, QDateTime::currentDateTime());
         }
         else {
-            if (groupLast[peerPk] != name && peers.value(peerPk) == name) {
+            Friend *f = FriendList::findFriend(peerPk);
+            if (groupLast[peerPk] != name 
+                    && peers.value(peerPk) == name 
+                    && peerPk != Core::getInstance()->getSelfPublicKey() // ignore myself
+                    && !(f != nullptr && f->hasAlias()) // ignore friends with aliases
+                    ) {
                 addSystemInfoMessage(tr("%1 is now known as %2").arg(groupLast[peerPk], name), ChatMessage::INFO, QDateTime::currentDateTime());
                 groupLast[peerPk] = name;
             }

src/widget/widget.cpp

@@ -2503,3 +2503,10 @@ void Widget::focusChatInput()
         }
     }
 }
+
+void Widget::refreshPeerListsLocal(const QString &username)
+{
+    for (Group* g : GroupList::getAllGroups()) {
+        g->updateUsername(Core::getInstance()->getSelfPublicKey(), username);
+    }
+}

src/widget/widget.h

@@ -182,6 +182,7 @@ public slots:
     void onFriendDialogShown(const Friend* f);
     void onGroupDialogShown(Group* g);
     void toggleFullscreen();
+    void refreshPeerListsLocal(const QString &username);
 
 signals:
     void friendRequestAccepted(const ToxPk& friendPk);