clear messages on disconnect

components/chatwindow.cpp

@@ -116,6 +116,12 @@ void ChatWindow::AddNewMessage(Snowflake id) {
     m_new_message_dispatch.emit();
 }
 
+void ChatWindow::ClearMessages() {
+    std::scoped_lock<std::mutex> guard(m_update_mutex);
+    m_message_set_queue.push(std::unordered_set<const MessageData *>());
+    m_message_set_dispatch.emit();
+}
+
 void ChatWindow::ScrollToBottom() {
     auto x = m_scroll->get_vadjustment();
     x->set_value(x->get_upper());

components/chatwindow.hpp

@@ -16,6 +16,7 @@ public:
     Snowflake GetActiveChannel() const;
     void SetMessages(std::unordered_set<const MessageData *> msgs);
     void AddNewMessage(Snowflake id);
+    void ClearMessages();
 
 protected:
     void ScrollToBottom();

windows/mainwindow.cpp

@@ -74,19 +74,17 @@ MainWindow::MainWindow()
 void MainWindow::UpdateComponents() {
     bool discord_active = m_abaddon->IsDiscordActive();
 
-    // menu
-    // Connect
     std::string token = m_abaddon->GetDiscordToken();
     m_menu_discord_connect.set_sensitive(token.size() > 0 && !discord_active);
 
-    // Disconnect
     m_menu_discord_disconnect.set_sensitive(discord_active);
 
-    // channel listing
+    if (!discord_active) {
-    if (!discord_active)
         m_channel_list.ClearListing();
-    else
+        m_chat.ClearMessages();
+    } else {
         UpdateChannelListing();
+    }
 }
 
 void MainWindow::UpdateChannelListing() {