+
+void
+on_popup_audio_activate (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_popup_subpictures_activate (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_menubar_audio_activate (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_menubar_subpictures_activate (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_popup_navigation_activate (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_menubar_title_activate (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_menubar_chapter_activate (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+gboolean
+on_playlist_clist_event (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data);
+
+gboolean
+on_intf_window_delete (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data);
+
+gboolean
+on_intf_playlist_destroy_event (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data);
+
+gboolean
+on_intf_playlist_destroy_event (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data);
+
+void
+on_intf_playlist_drag_data_received (GtkWidget *widget,
+ GdkDragContext *drag_context,
+ gint x,
+ gint y,
+ GtkSelectionData *data,
+ guint info,
+ guint time,
+ gpointer user_data);
+
+gboolean
+on_playlist_clist_event (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data);
+
+gboolean
+on_intf_playlist_destroy_event (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data);
+
+gboolean
+on_intf_window_destroy (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data);
+
+gboolean
+on_intf_window_destroy (GtkWidget *widget,
+ GdkEvent *event,
+ gpointer user_data);
+
+void
+on_main_window_toggle (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_delete_clicked (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_crop_activate (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+on_invertselection_clicked (GtkMenuItem *menuitem,
+ gpointer user_data);