qzq_area.hpp

/* qzq_area.hpp */
/* $Id: qzq_area.hpp,v 1.12 2007/12/27 12:22:09 vlad Exp $ */
#ifndef __qzq_area_hpp
#define __qzq_area_hpp

#include <qwidget.h>
#include <qpixmap.h>

#include "zq_object.hpp"
#include "zqb_pixgroup.hpp"
#include "zqb_placeholder.hpp"
#include "zqb_natgrpmember.hpp"

class QzqDynamicTip;


class QzqArea : public QWidget
{
  Q_OBJECT

public:

  QzqArea (QWidget *parent = NULL, const char* name = NULL, WFlags f = 0);

  virtual ~QzqArea ();


  /*
   *  Built-in placeholder container
   */

  ZqbPlaceholder*   placeholder ();

  const ZqbPlaceholder* placeholder () const;


  /*
   *  Visible functionality (small difference from ZqbVisible)
   */

  virtual void      redraw (bool bForce = false,
                QPaintDevice* pdev = NULL,
                QRect *pCustomRect = NULL,
                bool bHardcopy = false);

  virtual void      redrawOnSetCoord (ZqbNatGroup* pNatGrp);

  virtual bool      isHardcopy () const;


  virtual ZqbEventHint  input (QEvent* qev);

  virtual bool      updateGeometry (QPainter* paint = NULL,
                    bool bForce = false,
                    QRect *pCustomRect = NULL);

  virtual bool      tip (const QPoint& p,
                 QString& qsShort, QString& qsLong);


  virtual void      interactiveRedraw ();


  enum DrawObjectSelection {
    DrawAll,        
    DrawNonInteractive, 
    DrawInteractive 
  };

  DrawObjectSelection   getDrawObjectSelection () const;

protected:

  /*
   *  Built-in placeholder and related functionality
   */

  ZqbPixGroup       m_pgx;

  ZqbPixGroup       m_pgy;

  ZqbContainer      m_Container;

  ZqObject      *m_pGrabber;

  ZqbPlaceholder    m_AreaPh;

  QPainter      m_qPainter;

  QPixmap       m_qPixBuf;

  QzqDynamicTip     *m_qDynTip;

  ZqbNatGrpMembers  m_vObservers;

  bool          m_bHardcopy;

  QPixmap       m_qStaticPixBuf;

  DrawObjectSelection   m_eDrawObjectSelection;


  /*
   *  Event processing
   */

  virtual void  mousePressEvent (QMouseEvent* qev);
  virtual void  mouseReleaseEvent (QMouseEvent* qev);
  virtual void  mouseDoubleClickEvent (QMouseEvent* qev);
  virtual void  mouseMoveEvent (QMouseEvent* qev);
  virtual void  wheelEvent (QWheelEvent* qev);
  virtual void  keyPressEvent (QKeyEvent* qev);
  virtual void  keyReleaseEvent (QKeyEvent* qev);
  virtual void  enterEvent (QEvent* qev);
  virtual void  leaveEvent (QEvent* qev);
  virtual void  paintEvent (QPaintEvent* qev);
  virtual void  resizeEvent (QResizeEvent* qev);

};


#endif /* qzq_area.hpp */