+void vik_trw_layer_draw_highlight ( VikTrwLayer *vtl, VikViewport *vvp );
+void vik_trw_layer_draw_highlight_item ( VikTrwLayer *vtl, VikTrack *trk, VikWaypoint *wpt, VikViewport *vvp );
+void vik_trw_layer_draw_highlight_items ( VikTrwLayer *vtl, GHashTable *trks, GHashTable *wpts, VikViewport *vvp );
+
+// For creating a list of tracks with the corresponding layer it is in
+// (thus a selection of tracks may be from differing layers)
+typedef struct {
+ VikTrack *trk;
+ VikTrwLayer *vtl;
+} vik_trw_track_list_t;
+
+typedef GList* (*VikTrwlayerGetTracksAndLayersFunc) (VikLayer*, gpointer);
+GList *vik_trw_layer_build_track_list_t ( VikTrwLayer *vtl, GList *tracks );
+
+// For creating a list of waypoints with the corresponding layer it is in
+// (thus a selection of waypoints may be from differing layers)
+typedef struct {
+ VikWaypoint *wpt;
+ VikTrwLayer *vtl;
+} vik_trw_waypoint_list_t;
+
+typedef GList* (*VikTrwlayerGetWaypointsAndLayersFunc) (VikLayer*, gpointer);
+GList *vik_trw_layer_build_waypoint_list_t ( VikTrwLayer *vtl, GList *waypoints );
+
+GdkPixbuf* get_wp_sym_small ( gchar *symbol );
+