Default3DMenu.H

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#ifndef DEFAULT3DMENU_H
#define DEFAULT3DMENU_H

#include <VRG3D.H>
#include "Widget.H"

class BBox
{
public:
  BBox()             { _initialized = false; }
  BBox(const AABox &aabox) { 
    _initialized = false; 
    _box = aabox; //AABox(aabox.low(),aabox.high()); 
  }
  
  virtual ~BBox() {}

  inline void addPoint(const Vector3 &p) {
    if (!_initialized)
      _box = AABox(p);
    else {
      Vector3 low  = _box.low().min(p);
      Vector3 high = _box.high().max(p);
      _box = AABox(low,high);
    }
    _initialized = true;
  }

  inline void addAABox(const AABox &b) {
    if (!_initialized)
      _box = b;
    else {
      Vector3 low  = _box.low().min(b.low());
      Vector3 high = _box.high().max(b.high());
      _box = AABox(low,high);
    }
    _initialized = true;
  }
  
  inline void addBBox(const BBox &b) {
    addAABox(b.getAABox());
  }

  inline AABox getAABox()       const { return _box; }

  inline bool  getInitialized() const { return _initialized; }

protected:
  bool  _initialized;
  AABox _box;
};


typedef ReferenceCountedPointer<class Default3DMenu> Default3DMenuRef;
class Default3DMenu : public Widget
{
public:

  Default3DMenu(const std::string &menuTitle,
                const Array<std::string> &menuItemNames,
                const Array<std::string> &eventsToGenerate,
                const std::string &trackerEventToListenFor,
                const std::string &buttonEventToListenFor,
                const CoordinateFrame &initialFrame,
                double itemHeight,
                WidgetMgrRef widgetMgr);
  
  virtual ~Default3DMenu();

  void processEvent(EventRef event, Array<EventRef> &generatedEvents);
  void doGraphics(RenderDevice *rd);
  bool pointerOverWidget(Vector3 pointerPosRoomSpace);
  bool canReleaseFocus();

  enum ItemState {ENABLED, DISABLED, HIGHLIGHTED, ACTIVATED};
  ItemState getItemState(const int i) { return _states[i]; }
  void      setItemState(const int i, ItemState s) { _states[i] = s; }
 
protected:

  void menuBtnOn(Array<EventRef> &generatedEvents);
  void menuBtnOff();
  void trackerMove(EventRef e);
  void trackerMoveBtnDown(EventRef e);
  
  void drawTextOnBox(RenderDevice *rd, const std::string &str, AABox box, 
             Color4 color, Color4 outline);

  std::string         _title;
  Array<std::string>  _items;
  Array<ItemState>    _states;
  Array<AABox>        _boxes;
  GFontRef            _font;
  double              _textHeight;
  double              _padding;
  Color4              _outlineCol;
  Color4              _titleFG,     _titleBG;
  Color4              _itemFG,      _itemBG;
  Color4              _disabledFG,  _disabledBG;
  Color4              _highltFG,    _highltBG;
  Color4              _activatedFG, _activatedBG;
  CoordinateFrame     _dragOffset;
  bool                _firstDrag;
  bool                _btnDown;
  std::string         _trackerEvent;
  std::string         _btnEvent;
  Array<std::string>  _events;
  BBox                _bbox;
  CoordinateFrame     _frame;
};

#endif

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