source/libr2c2/trackattachment.h

   1 #ifndef LIBR2C2_TRACKATTACHMENT_H_
   2 #define LIBR2C2_TRACKATTACHMENT_H_
   3
   4 #include "object.h"
   5 #include "track.h"
   6 #include "trackiter.h"
   7
   8 namespace R2C2 {
   9
  10 class TrackAttachment: public Object, public sigc::trackable
  11 {
  12 protected:
  13         TrackIter track;
  14         float offset;
  15
  16         TrackAttachment(Layout &);
  17 public:
  18         virtual ~TrackAttachment();
  19
  20         const TrackIter &get_track_iter() const { return track; }
  21         Track *get_track() const { return track.track(); }
  22         unsigned get_entry() const { return track.entry(); }
  23         float get_offset() const { return offset; }
  24         float get_offset_from_endpoint(unsigned) const;
  25 protected:
  26         void attach_to(const TrackIter &, float);
  27         void attach_to_closest(float);
  28         float find_offset(const TrackIter &, const Vector &);
  29
  30 public:
  31         virtual Track *get_parent() const { return track.track(); }
  32
  33 private:
  34         void object_removed(Object &);
  35 };
  36
  37 } // namespace R2C2
  38
  39 #endif