add MESSAGE_UPDATE

components/chatwindow.hpp

@@ -19,6 +19,7 @@ public:
     void AddNewMessage(Snowflake id);
     void AddNewHistory(const std::vector<MessageData> &msgs);
     void DeleteMessage(Snowflake id);
+    void UpdateMessageContent(Snowflake id);
     void ClearMessages();
 
 protected:
@@ -27,6 +28,7 @@ protected:
     void AddNewMessageInternal();
     void AddNewHistoryInternal();
     void DeleteMessageInternal();
+    void UpdateMessageContentInternal();
     ChatDisplayType GetMessageDisplayType(const MessageData *data);
     void ProcessMessage(const MessageData *data, bool prepend = false);
     int m_num_rows = 0; // youd think thered be a Gtk::ListBox::get_row_count or something but nope
@@ -45,6 +47,8 @@ protected:
     std::queue<std::vector<Snowflake>> m_new_history_queue;
     Glib::Dispatcher m_message_delete_dispatch;
     std::queue<Snowflake> m_message_delete_queue;
+    Glib::Dispatcher m_message_edit_dispatch;
+    std::queue<Snowflake> m_message_edit_queue;
     std::mutex m_update_mutex;
 
     Snowflake m_active_channel;