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