source/designer/manipulator.h

   1 #ifndef MANIPULATOR_H_
   2 #define MANIPULATOR_H_
   3
   4 #include <sigc++/sigc++.h>
   5
   6 class Designer;
   7 class Selection;
   8
   9 class Manipulator
  10 {
  11 private:
  12         enum Mode
  13         {
  14                 NONE,
  15                 MOVE,
  16                 ROTATE,
  17                 ELEVATE,
  18                 EXTEND
  19         };
  20
  21         struct MObject
  22         {
  23                 R2C2::Object *object;
  24                 R2C2::Vector pos;
  25                 float rot;
  26
  27                 MObject(R2C2::Object *);
  28         };
  29
  30         struct TrackOrder
  31         {
  32                 R2C2::Track *track;
  33                 bool rev;
  34
  35                 TrackOrder(R2C2::Track *t, bool r): track(t), rev(r) { }
  36         };
  37
  38 public:
  39         sigc::signal<void, const std::string &> signal_status;
  40         sigc::signal<void, bool> signal_done;
  41
  42 private:
  43         Designer &designer;
  44         Msp::Input::Mouse &mouse;
  45         Selection &selection;
  46         std::vector<MObject> objects;
  47         R2C2::Vector center;
  48
  49         R2C2::Vector pointer;
  50         R2C2::Vector gpointer;
  51         Mode mode;
  52         R2C2::Vector move_origin;
  53         float angle;
  54         float rot_origin;
  55         float elev_origin;
  56         std::set<R2C2::Object *> neighbors;
  57         std::vector<R2C2::Track *> extend_tracks;
  58
  59 public:
  60         Manipulator(Designer &, Msp::Input::Mouse &, Selection &);
  61
  62         void start_move();
  63         void start_rotate();
  64         void start_elevate();
  65         bool start_extend();
  66         void duplicate();
  67         void flatten();
  68         void even_slope(bool =false);
  69         void connect();
  70         void cancel();
  71 private:
  72         void button_press(unsigned);
  73         void axis_motion(unsigned, float, float);
  74         void selection_changed();
  75         void update_objects();
  76         void update_neighbors();
  77         void set_slope(TrackOrder &, float, float);
  78         std::vector<R2C2::Track *> create_straight(const R2C2::Vector &, float, float, float);
  79 };
  80
  81 #endif