source: trunk/src/gui/util/qcompleter_p.h@ 750

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#ifndef QCOMPLETER_P_H
#define QCOMPLETER_P_H


//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "private/qobject_p.h"

#ifndef QT_NO_COMPLETER

#include "QtGui/qtreeview.h"
#include "QtGui/qabstractproxymodel.h"
#include "qcompleter.h"
#include "QtGui/qitemdelegate.h"
#include "QtGui/qpainter.h"
#include "private/qabstractproxymodel_p.h"

QT_BEGIN_NAMESPACE

class QCompletionModel;

class QCompleterPrivate : public QObjectPrivate
{
    Q_DECLARE_PUBLIC(QCompleter)

public:
    QCompleterPrivate();
    ~QCompleterPrivate() { delete popup; }
    void init(QAbstractItemModel *model = 0);

    QPointer<QWidget> widget;
    QCompletionModel *proxy;
    QAbstractItemView *popup;
    QCompleter::CompletionMode mode;

    QString prefix;
    Qt::CaseSensitivity cs;
    int role;
    int column;
    int maxVisibleItems;
    QCompleter::ModelSorting sorting;
    bool wrap;

    bool eatFocusOut;
    QRect popupRect;

    void showPopup(const QRect&);
    void _q_complete(QModelIndex, bool = false);
    void _q_completionSelected(const QItemSelection&);
    void _q_autoResizePopup();
    void setCurrentIndex(QModelIndex, bool = true);
};

class QIndexMapper
{
public:
    QIndexMapper() : v(false), f(0), t(-1) { }
    QIndexMapper(int f, int t) : v(false), f(f), t(t) { }
    QIndexMapper(QVector<int> vec) : v(true), vector(vec), f(-1), t(-1) { }

    inline int count() const { return v ? vector.count() : t - f + 1; }
    inline int operator[] (int index) const { return v ? vector[index] : f + index; }
    inline int indexOf(int x) const { return v ? vector.indexOf(x) : ((t < f) ? -1 : x - f); }
    inline bool isValid() const { return !isEmpty(); }
    inline bool isEmpty() const { return v ? vector.isEmpty() : (t < f); }
    inline void append(int x) { Q_ASSERT(v); vector.append(x); }
    inline int first() const { return v ? vector.first() : f; }
    inline int last() const { return v ? vector.last() : t; }
    inline int from() const { Q_ASSERT(!v); return f; }
    inline int to() const { Q_ASSERT(!v); return t; }
    inline int cost() const { return vector.count()+2; }

private:
    bool v;
    QVector<int> vector;
    int f, t;
};

struct QMatchData {
    QMatchData() : exactMatchIndex(-1) { }
    QMatchData(const QIndexMapper& indices, int em, bool p) :
        indices(indices), exactMatchIndex(em), partial(p) { }
    QIndexMapper indices;
    inline bool isValid() const { return indices.isValid(); }
    int  exactMatchIndex;