symbolSelector.h

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/*******************************************************************************
** Copyright (c) 2002 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: symbolSelector.h,v $ $Revision: 1.23 $ $State: Exp $
*******************************************************************************/


#ifndef SYMBOLSELECTOR_H
#define SYMBOLSELECTOR_H

#include <QtCore/QObject>
#include <QtCore/QVector>

#include "symbolMapper/modelDataDict.h"

#include "geometry/point.h"

#include <QtCore/QPoint>
#include <QtCore/QSize>
#include <QtGui/QPaintDevice>
#include <QtCore/QObject>
#include <QtCore/QList>

class DtTMViewportExtents;
class DtViewDriver;
class DtModelData;


#include "tmqt/tmqtDefines.h"
class DT_DLL_tmqt DtSymbolSelector : public QObject
{

   Q_OBJECT

public:
   
   enum DtSelectorType
   {
      DtNone = 0,             
      DtRectSelector,         
      DtCircleSelector,       
      DtCirclePointsSelector, 
      DtCircleInscribedPointsSelector, 
      DtSinglePointSelector,  
      DtMAXSelectorType
   };

   DtSymbolSelector();
   virtual ~DtSymbolSelector();

private:
   DtSymbolSelector(const DtSymbolSelector& orig);
   
   DtSymbolSelector& operator=(const DtSymbolSelector& orig);

public:
   virtual void draw(QPainter* dc);

   virtual void setSelectorType(DtSelectorType type);
   
   virtual DtSelectorType selectorType();

   virtual QPoint firstEdgeWindowPoint();
   
   virtual QPoint secondEdgeWindowPoint();

   virtual DtPoint firstEdgePoint();
   
   virtual DtPoint secondEdgePoint();

   virtual bool selectionInProgress();

   virtual void setViewportExtents(const DtTMViewportExtents* v);

   virtual void setViewDriver(DtViewDriver* v);

   virtual QVector<DtModelKey>& selectedModelKeys();

   virtual void setSelectionMode(int mode);
   virtual int selectionMode() const;

   virtual void clear();

   virtual void selectSymbols(DtModelDataIter *iter, Qt::KeyboardModifiers keyState, Qt::MouseButtons mouseState) = 0;

   virtual void highlightSymbols(QVector<DtModelKey>* display = NULL) = 0;

   virtual void highlightNoSymbols();

   virtual void remove(const DtModelKey& key);

   virtual void setSelectedKeys(const QVector<DtModelKey>& keys);

   virtual void setRightClickMaintainsSelection(bool b);
   virtual bool rightClickMaintainsSelection() const;

   virtual bool keepUnknownKeys() const;

public slots:

   virtual void startSelection(const QPoint& pnt);
   
   virtual void updateLocation(const QPoint& pnt);
   
   virtual void endSelection(Qt::KeyboardModifiers keyState, Qt::MouseButtons mouseState);

protected:
   virtual void drawRect(QPainter* paint);
   
   virtual void drawCircle(QPainter* paint);

   virtual void drawCirclePoints(QPainter* paint);

   virtual QPoint getWindowPoint(const DtPoint& p);

   virtual void merge(const QVector<DtModelKey>& keys, QVector<DtModelKey>& result);

protected:
   const DtTMViewportExtents* myViewportExtents;
   DtViewDriver* myViewDriver;
   bool mySelectionInProgress;
   
   DtPoint myStartPoint;
   DtPoint myEndPoint;

   DtSelectorType mySelectorType;
   int mySelectionMode;

   QVector<DtModelKey> mySelectedModelKeys;
   QVector<DtModelKey> myLastSelectedModelKeys;

   bool myRightClickMaintainsSelection;
};

inline bool DtSymbolSelector::keepUnknownKeys() const
{
   return false;
}

#endif //SYMBOLSELECTOR_H