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