source/designer/manipulator.h

   1 #ifndef MANIPULATOR_H_
   2 #define MANIPULATOR_H_
   3
   4 #include <sigc++/sigc++.h>
   5 #include "libr2c2/geometry.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                 EXTEND
  20         };
  21
  22         struct MObject
  23         {
  24                 R2C2::Object *object;
  25                 R2C2::Vector pos;
  26                 R2C2::Angle rot;
  27
  28                 MObject(R2C2::Object *);
  29         };
  30
  31         struct TrackOrder
  32         {
  33                 R2C2::Track *track;
  34                 bool rev;
  35
  36                 TrackOrder(R2C2::Track *t, bool r): track(t), rev(r) { }
  37         };
  38
  39 public:
  40         sigc::signal<void, const std::string &> signal_status;
  41         sigc::signal<void, bool> signal_done;
  42
  43 private:
  44         Designer &designer;
  45         Msp::Input::Mouse &mouse;
  46         Selection &selection;
  47         std::vector<MObject> objects;
  48         R2C2::Vector center;
  49
  50         R2C2::Vector pointer;
  51         R2C2::Vector gpointer;
  52         Mode mode;
  53         R2C2::Vector move_origin;
  54         R2C2::Angle angle;
  55         R2C2::Angle rot_origin;
  56         float elev_origin;
  57         std::set<R2C2::Object *> neighbors;
  58         std::vector<R2C2::Track *> extend_tracks;
  59
  60 public:
  61         Manipulator(Designer &, Msp::Input::Mouse &, Selection &);
  62
  63         void start_move();
  64         void start_rotate();
  65         void start_elevate();
  66         bool start_extend();
  67         void duplicate();
  68         void flatten();
  69         void even_slope(bool =false);
  70         void connect();
  71         void cancel();
  72 private:
  73         void button_press(unsigned);
  74         void axis_motion(unsigned, float, float);
  75         void selection_changed();
  76         void update_objects();
  77         void update_neighbors();
  78         void set_slope(TrackOrder &, float, float);
  79         std::vector<R2C2::Track *> create_straight(const R2C2::Vector &, const R2C2::Angle &, float, float);
  80 };
  81
  82 #endif