void create_new_window(GtkWidget* widget, gpointer user_data, gboolean clone);
void insert_menu_toolbar_item(MainWindow * mw, gpointer user_data);
-void construct_main_window(MainWindow * parent, WindowCreationData *win_creation_data);
+void construct_main_window(MainWindow * parent);
void main_window_free(MainWindow * mw);
void main_window_destructor(MainWindow * mw);
void
on_button_new_clicked (GtkButton *button,
gpointer user_data);
-
+void
+on_button_new_tab_clicked (GtkButton *button,
+ gpointer user_data);
void
on_button_open_clicked (GtkButton *button,
gpointer user_data);