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qdbtcascade.h

#ifndef _QDBTCASCADE_H
#define _QDBTCASCADE_H

#include <qwidget.h>
#include <qarray.h>
#include <qcursor.h>

#include <qdbt/qdbtglobal.h>

class QFont;

class QdbtHeader;
class QdbtBaseTabular;
class QdbtPImpl;

class QdbtCascade : public QWidget
{
  Q_OBJECT

  QdbtCascade( const QdbtCascade & );
  void operator=( const QdbtCascade & );
  
  struct QdbtCascadeCell
  {
    int      cellWidth;
    QString *cellText;
    int      cellMode;    // 0 = start cell, -1 = continue previous cell
    int      cellAlignment;
    int      position;
  };

  int                      _barHeight, _xOffset, _divider;
  QArray<QdbtCascadeCell>  _cascadeCells;
  QCursor                  _cursorShape;
  QdbtPImpl *              _pimpl;
  
 public:
  QdbtCascade( QdbtPImpl * pimpl );
  ~QdbtCascade();

  void setFont( const QFont &font );
  int  height();
  int  nrOfColumns();

  int  columnWidth( int column ) const;
  
 public slots:
  void setXOffset( int d );
  void setColumnWidth( int c, int w, bool update );
  void setColumnWidth( int c, int w );
  void setNrOfColumns( int cnt, bool update = TRUE );
  void insertCol( int col, bool update = TRUE );
  void removeCol( int col, bool update = TRUE );

  void setColMode( int col, const int &mode, bool update = TRUE );
  void setColText( int col, const QString &text, bool update = TRUE );
  void setColAlignment( int col, int alignment, bool update = TRUE );
  void resizeSection( int x );

 protected:
  virtual void paintEvent( QPaintEvent * );
  void mousePressEvent( QMouseEvent * );
  void mouseReleaseEvent( QMouseEvent * );
  void mouseMoveEvent( QMouseEvent * );

 private:
  void computeHeight();
  void updateDividerCursor( int mouseX );
};

#endif // QDBTCASCADE_H

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