NodeWidget.cpp

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//------------------------------------------------------------------------
//
//   Joe Kniss
//     6-20-03
//                   ________    ____   ___ 
//                  |        \  /    | /  /
//                  +---+     \/     |/  /
//                  +--+|  |\    /|     < 
//                  |  ||  | \  / |  |\  \ 
//                  |      |  \/  |  | \  \ 
//                   \_____|      |__|  \__\
//                       Copyright  2003 
//                      Joe Michael Kniss
//                   <<< jmk@cs.utah.edu >>>
//               "All Your Base are Belong to Us"
//-------------------------------------------------------------------------

/// NodeWidget.cpp

#include "NodeWidget.h"
#include <iostream>

using namespace gutz;
using namespace std;

///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
/// NodeWidget
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////
/// Construct
NodeWidget::NodeWidget( vec3f pos, float rad, WidgetItem *parent )
: WidgetItem( parent ), _rad(rad)
{
   _manip->setWorldPos(pos);
}

///////////////////////////////////////////////////////////////////////////
/// Set Point
void  NodeWidget::setPoint(const gutz::vec3f &wpos)
{
   if( _manip->getParent() ) 
      setPointLocal( _manip->getParent()->getLocalPosWorld(wpos) );
   else
      setPointLocal( wpos );
}

void NodeWidget::setPointLocal(const gutz::vec3f &lpos)
{
   /// this is key, don't want infinite updates!!!!
   /// if we don't move, we don't update...
   if( getPointLocal() == lpos ) return;
   
   _invalidate();
   {
      _manip->setLocalPos(lpos);
   }
   _update();

   pointChanged( getPoint() );
}


#if 0
///////////////////////////////////////////////////////////////////////////
/// Move by
bool NodeWidget::moveDef(const gutz::MouseMoveEvent &mme)
{
   return _manip->move(mme);

   switch(getEvent(mme))
   {
   case MOVE:
      /// TODO: some error checking, but really should go away...
      if(!_constraintMap[mme.getButton()])
      {
         cerr << "NodeWidget::moveDef(), constraint not defined, going default" << endl;
         cerr << "   - button = " << mme.getButton() << " , event = " 
            << getEvent(mme) << endl;
         _constraintMap[mme.getButton()] = new Constraint();
      }
      setPointLocal( _manip->getLocalPos() 
         + _constraintMap[mme.getButton()]->getMoveBy(_manip->getLocalPos(),mme) );
      break;
   }
   return true;
}
#endif

///////////////////////////////////////////////////////////////////////////
/// areaPoints
WidgetItem::Point2Array NodeWidget::getValidArea() const
{
   vec3f pos = getPoint();
   Point2Array b(4,Point2(0));
   b[0] = Point2(pos.x - _rad, pos.y - _rad);
   b[1] = Point2(pos.x + _rad, pos.y - _rad);
   b[2] = Point2(pos.x + _rad, pos.y + _rad);
   b[3] = Point2(pos.x - _rad, pos.y + _rad);

   return b;
}

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