improved handling of relayouting messages

src/singletons/windowmanager.cpp

@@ -58,11 +58,17 @@ WindowManager::WindowManager()
     qDebug() << "init WindowManager";
 }
 
-void WindowManager::layoutVisibleChatWidgets(Channel *channel)
+void WindowManager::layoutChannelViews(Channel *channel)
 {
     this->layout.invoke(channel);
 }
 
+void WindowManager::forceLayoutChannelViews()
+{
+    this->incGeneration();
+    this->layoutChannelViews(nullptr);
+}
+
 void WindowManager::repaintVisibleChatWidgets(Channel *channel)
 {
     if (this->mainWindow != nullptr) {
@@ -394,5 +400,15 @@ void WindowManager::closeAll()
     }
 }
 
+int WindowManager::getGeneration() const
+{
+    return this->generation;
+}
+
+void WindowManager::incGeneration()
+{
+    this->generation++;
+}
+
 }  // namespace singletons
 }  // namespace chatterino