source/designer/manipulator.h

   1 #ifndef MANIPULATOR_H_
   2 #define MANIPULATOR_H_
   3
   4 #include <sigc++/sigc++.h>
   5 #include "3d/track.h"
   6
   7 class Designer;
   8 class Selection;
   9
  10 class Manipulator
  11 {
  12 private:
  13         enum Mode
  14         {
  15                 NONE,
  16                 MOVE,
  17                 ROTATE,
  18                 ELEVATE
  19         };
  20
  21         struct MTrack
  22         {
  23                 Marklin::Track *track;
  24                 Marklin::Point pos;
  25                 float rot;
  26
  27                 MTrack(Marklin::Track *);
  28         };
  29
  30         struct TrackOrder
  31         {
  32                 Marklin::Track *track;
  33                 bool rev;
  34
  35                 TrackOrder(Marklin::Track *t, bool r): track(t), rev(r) { }
  36         };
  37
  38         struct TrackWrap
  39         {
  40                 Marklin::Point pos;
  41                 float rot;
  42                 float width;
  43                 float height;
  44         };
  45
  46         Designer   &designer;
  47         Selection  *selection;
  48         std::vector<MTrack> tracks;
  49         Marklin::Point center;
  50
  51         std::list<TrackWrap> wrap;
  52         Marklin::Point wrap_pos;
  53         float wrap_rot;
  54
  55         Marklin::Point gpointer;
  56         int            pointer_y;
  57         Mode           mode;
  58         Marklin::Point move_origin;
  59         float          angle;
  60         float          rot_origin;
  61         int            elev_origin;
  62         std::set<Marklin::Track *> neighbors;
  63         sigc::connection selection_changed_conn;
  64
  65 public:
  66         sigc::signal<void, const std::string &> signal_status;
  67         sigc::signal<void, bool> signal_done;
  68
  69         Manipulator(Designer &);
  70
  71         void set_selection(Selection *);
  72         void start_move();
  73         void start_rotate();
  74         void start_elevate();
  75         void duplicate();
  76         void flatten();
  77         void even_slope(bool =false);
  78         void cancel();
  79         void button_press(int, int, float, float, unsigned);
  80         void pointer_motion(int, int, float, float);
  81         void render();
  82 private:
  83         void selection_changed();
  84         void update_wrap();
  85         void update_neighbors();
  86         void set_slope(TrackOrder &, float, float);
  87 };
  88
  89 #endif