virtual void addPluginWidget(QWidget* widget, PluginWidgetType type = UNKNOWN_TYPE);
virtual void addToolbar(QWidget* widget, PluginWidgetType type = UNKNOWN_TYPE);
virtual void addToolItem(QWidget* widget, PluginWidgetType type = UNKNOWN_TYPE);
virtual void addPluginWidget(QWidget* widget, PluginWidgetType type = UNKNOWN_TYPE);
virtual void addToolbar(QWidget* widget, PluginWidgetType type = UNKNOWN_TYPE);
virtual void addToolItem(QWidget* widget, PluginWidgetType type = UNKNOWN_TYPE);