+void Designer::update_track_icon(Track3D &track)
+{
+ overlay->clear(track);
+
+ if(track.get_track().get_flex())
+ overlay->add_graphic(track, "flex");
+
+ if(unsigned sid = track.get_track().get_sensor_id())
+ {
+ overlay->add_graphic(track, "sensor");
+ overlay->set_label(track, lexical_cast(sid));
+ }
+ else if(unsigned tid = track.get_track().get_turnout_id())
+ {
+ if(tid<0x800)
+ {
+ overlay->add_graphic(track, "turnout");
+ overlay->set_label(track, lexical_cast(tid));
+ }
+ }
+}
+
+void Designer::selection_changed()
+{
+ const set<Track *> &tracks = selection.get_tracks();
+ if(tracks.empty())
+ lbl_status->set_text(string());
+ else
+ {
+ float len = 0;
+ for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
+ len += (*i)->get_type().get_total_length();
+ lbl_status->set_text(format("%.2fm of track selected\n", len));
+ }
+}
+