source/designer/measure.h

   1 #ifndef MEASURE_H_
   2 #define MEASURE_H_
   3
   4 #include <sigc++/sigc++.h>
   5
   6 class Designer;
   7
   8 class Measure
   9 {
  10 public:
  11         sigc::signal<void> signal_done;
  12         sigc::signal<void> signal_changed;
  13
  14         Measure(Designer &);
  15         float get_parallel_distance() const      { return par_dist; }
  16         float get_perpendicular_distance() const { return perp_dist; }
  17         float get_angle_difference() const       { return adiff; }
  18         void start();
  19         void button_press(int, int, float, float, unsigned);
  20         void pointer_motion(int, int, float, float);
  21         void render();
  22 private:
  23         enum State
  24         {
  25                 NONE,
  26                 STARTING,
  27                 ACTIVE
  28         };
  29
  30         Designer &designer;
  31         Marklin::Point pointer;
  32         Marklin::Point spoint;
  33         float sdir;
  34         float par_dist;
  35         float perp_dist;
  36         float adiff;
  37         State state;
  38
  39         void snap_to_tracks(Marklin::Point &, float &);
  40 };
  41
  42 #endif