-void MenuItemUnreg(lttv_constructor view_constructor);
-
-
-/**
- * Attach a viewer to the current tab.
- * It will be called in the constructor of the viewer.
- * @param main_win the main window the viewer belongs to.
- * @param viewer viewer to be attached to the current tab
- */
-
-// Not Needed : Main window add widget returned by constructor
-//void AttachViewer(mainWindow *main_win, GtkWidget *viewer);
-
-
-/* ?? Maybe we do not need this function, when a widget is destroyed,
- * it will be removed automatically from its container
- */
-// Not needed
-/**
- * Detach a viewer from the current tab.
- * It will be called in the destructor of the viewer.
- * @param main_win the main window the viewer belongs to.
- * @param viewer viewer to be detached from the current tab.
- */
-
-//void DetachViewer(mainWindow *main_win, GtkWidget *viewer);