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IgQtTreeRep.h

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#ifndef IG_QT_TREE_BROWSER_IG_QT_TREE_REP_H
# define IG_QT_TREE_BROWSER_IG_QT_TREE_REP_H

//<<<<<< INCLUDES                                                       >>>>>>

# include "Iguana/Studio/interface/config.h"
# include "Iguana/Framework/interface/IgRep.h"

# include <qlistview.h>
# include <qstring.h>

//<<<<<< PUBLIC DEFINES                                                 >>>>>>
//<<<<<< PUBLIC CONSTANTS                                               >>>>>>
//<<<<<< PUBLIC TYPES                                                   >>>>>>

class IgQtTreeBrowser;

//<<<<<< PUBLIC VARIABLES                                               >>>>>>
//<<<<<< PUBLIC FUNCTIONS                                               >>>>>>
//<<<<<< CLASS DECLARATIONS                                             >>>>>>

class IGUANA_STUDIO_API IgQtTreeRep : public QListViewItem, public IgRep
{
public:
    static const int            VISIBLE_FIELD  = 1;
    static const int            TRAVERSE_FIELD = 2;
    static const int            CASCADE_FIELD  = 3;

    static IgQtTreeRep *        create (IgQtTreeBrowser *in,
                                        IgQtTreeRep *parent,
                                        IgQtTreeRep *before,
                                        QString name, bool traverse,
                                        bool visible, bool opened);

    IgQtTreeRep (IgQtTreeRep *parent, IgQtTreeRep *before,
                 QString name, bool traverse, bool visible, bool opened);
    IgQtTreeRep (IgQtTreeRep *parent,
                 QString name, bool traverse, bool visible, bool opened);
    IgQtTreeRep (IgQtTreeBrowser *in, IgQtTreeRep *before,
                 QString name, bool traverse, bool visible, bool opened);
    IgQtTreeRep (IgQtTreeBrowser *in,
                 QString name, bool traverse, bool visible, bool opened);
    ~IgQtTreeRep (void);

    virtual IgRepContext *      context (void) const;
    virtual IgModel *           model (void) const;

    bool                        bold (void) const;
    void                        bold (bool value);

    bool                        italic (void) const;
    void                        italic (bool value);

    bool                        magic (void) const;
    void                        magic (bool value);

    virtual void                setOpen (bool opened);
    void                        setCheck (int column, bool value, bool known);

protected:
    virtual void                context (IgRepContext *context);

    void                        init (bool traverse, bool visible, bool opened);
    bool                        traversed (void) const;
    void                        repaintChildren (QListViewItem *item);
    QColorGroup                 columnColor (int column, const QColorGroup &cg) const;

    virtual void                paintCell (QPainter *painter,
                                           const QColorGroup &cg,
                                           int column, int width, int align);
    virtual int                 width (const QFontMetrics &,
                                       const QListView *lv,
                                       int c) const;

private:
    bool                        flag (unsigned n) const;
    void                        flag (unsigned n, bool value);

    static const unsigned int   CHECKABLE = 1;
    static const unsigned int   BOLD      = 2;
    static const unsigned int   ITALIC    = 4;
    static const unsigned int   MAGIC     = 8;
    static const unsigned int   EXPANDED  = 16;
    static const unsigned int   TRAVERSE  = 32;
    static const unsigned int   VISIBLE   = 64;
    static const unsigned int   AUTO_OPEN = 128;

    IgRepContext                *m_context;
    unsigned                    m_flags;

    // undefined semantics
    IgQtTreeRep (const IgQtTreeRep &);
    IgQtTreeRep &operator= (const IgQtTreeRep &);
};

//<<<<<< INLINE PUBLIC FUNCTIONS                                        >>>>>>
//<<<<<< INLINE MEMBER FUNCTIONS                                        >>>>>>

inline bool
IgQtTreeRep::flag (unsigned n) const
{ return m_flags & n; }

inline void
IgQtTreeRep::flag (unsigned n, bool value)
{ m_flags = (m_flags & ~n) | (n * value); }

inline bool
IgQtTreeRep::bold (void) const
{ return flag (BOLD); }

inline void
IgQtTreeRep::bold (bool value)
{ flag (BOLD, value); }

inline bool
IgQtTreeRep::italic (void) const
{ return flag (ITALIC); }

inline void
IgQtTreeRep::italic (bool value)
{ flag (ITALIC, value); }

inline bool
IgQtTreeRep::magic (void) const
{ return flag (MAGIC); }

inline void
IgQtTreeRep::magic (bool value)
{ flag (MAGIC, value); }

#endif // IG_QT_TREE_BROWSER_IG_QT_TREE_REP_H

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