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qdbtheader.h

#ifndef _QDBTHEADER
#define _QDBTHEADER

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

#include <qdbt/qdbtglobal.h>
#include <qdbt/qdbtsection.h>

class QdbtBaseTabular;
class QdbtCascade;
class QdbtPImpl;

class QdbtHeader : public QWidget
{
  Q_OBJECT

  QdbtHeader( const QdbtHeader & );
  void operator=( const QdbtHeader & );

  friend class QdbtSection;

  typedef QList<QdbtSection> SectionList;

  struct QdbtHeadCell
  {
    int      width;
    int      position;
    bool     resizable, visible;
  };

public:
  QdbtHeader( QdbtPImpl *pimpl, const char *name = 0 );
  virtual ~QdbtHeader();
  int  heightHint() const;
  int  columnWidthHint( int col );
  void insertCol( int col );
  void removeCol( int col );
  void setColumnWidth( int c, int w );
  void setColumns( int num );
  void setFont( const QFont &font );
  void changeSection( QdbtSection *section, int col );
  QdbtSection *section( int col );
  void setCursorShape( const QCursor shape );
  
  void setHeaderAuxBox( bool on_flag );
  bool headerAuxBox();
  
  void exchangeCols( int col1, int col2 );
  
  void setColumnVisible( int column, bool visible );
  bool columnVisible( int column ) const;

  int columnWidth( int column ) const;
  
public slots:
  void resizeSection( int x );
  void setHeaderOffset( int );
  void setEnabled( bool state );
  
signals:
  void sectionClicked( int );
  void signalColumnWidth( int col, int secWidth );
  
protected:
  void resizeEvent( QResizeEvent * );
  void mousePressEvent( QMouseEvent * );
  void mouseReleaseEvent( QMouseEvent * );
  void mouseMoveEvent( QMouseEvent * );
  void updateDividerCursor( int );
  void paintEvent( QPaintEvent * );
  void keyPressEvent( QKeyEvent * );
  
private slots:
  void sectionClicked( QdbtSection * );
  void setResizable( QdbtSection *, bool );
  void initFocusPolicy();
  
private:
  void updateHeader();
  int  computeHeight();
  void propagateColumnWidthChange( int col, int width );
  
  int                   barHeight;
  int                   divider;
  QCursor               cursorShape;
  SectionList           sections;
  QArray<QdbtHeadCell>  headCells;
  bool                  headerBoxFlag;
  QdbtPImpl            *_pimpl;
};

#endif

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