/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the plugins of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef COMPLEXWIDGETS_H
#define COMPLEXWIDGETS_H

#include <QtCore/qpointer.h>
#include <QtGui/qaccessiblewidget.h>
#include <QtGui/qabstractitemview.h>

#ifndef QT_NO_ACCESSIBILITY

class QAbstractButton;
class QHeaderView;
class QTabBar;
class QComboBox;
class QTitleBar;

#ifndef QT_NO_ITEMVIEWS
class QAccessibleHeader : public QAccessibleWidget
{
public:
    explicit QAccessibleHeader(QWidget *w);

    int childCount() const;

    QRect rect(int child) const;
    QString text(Text t, int child) const;
    Role role(int child) const;
    State state(int child) const;

protected:
    QHeaderView *header() const;
};

class QAccessibleItemRow: public QAccessibleInterface
{
public:
    QAccessibleItemRow(QAbstractItemView *view, const QModelIndex &index);
    QRect rect(int child) const;
    QString text(Text t, int child) const;
    void setText(Text t, int child, const QString &text);
    bool isValid() const;
    QObject *object() const;
    Role role(int child) const;
    State state(int child) const;

    int childCount() const;
    int indexOfChild(const QAccessibleInterface *) const;

    Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;
    int childAt(int x, int y) const;
    int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;

    int userActionCount(int child) const;
    QString actionText(int action, Text t, int child) const;
    bool doAction(int action, int child, const QVariantList &params = QVariantList());

    QModelIndex childIndex(int child) const;
private:
    static QAbstractItemView::CursorAction toCursorAction(Relation rel);
    QPersistentModelIndex row;
    QPointer<QAbstractItemView> view;
};

class QAccessibleItemView: public QAccessibleWidget
{
public:
    explicit QAccessibleItemView(QWidget *w);

    Role role(int child) const;
    State state(int child) const;
    QRect rect(int child) const;
    int childCount() const;
    QString text(Text t, int child) const;
    void setText(Text t, int child, const QString &text);

    QModelIndex childIndex(int child) const;
    int navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const;

protected:
    QAbstractItemView *itemView() const;
};

#endif

#ifndef QT_NO_TABBAR
class QAccessibleTabBar : public QAccessibleWidget
{
public:
    explicit QAccessibleTabBar(QWidget *w);

    int childCount() const;

    QRect rect(int child) const;
    QString text(Text t, int child) const;
    Role role(int child) const;
    State state(int child) const;

    bool doAction(int action, int child, const QVariantList &params);
    bool setSelected(int child, bool on, bool extend);
    QVector<int> selection() const;

protected:
    QTabBar *tabBar() const;

private:
    QAbstractButton *button(int child) const;
};
#endif // QT_NO_TABBAR

#ifndef QT_NO_COMBOBOX
class QAccessibleComboBox : public QAccessibleWidget
{
public:
    explicit QAccessibleComboBox(QWidget *w);

    enum ComboBoxElements {
        ComboBoxSelf        = 0,
        CurrentText,
        OpenList,
        PopupList
    };

    int childCount() const;
    int childAt(int x, int y) const;
    int indexOfChild(const QAccessibleInterface *child) const;
    int navigate(RelationFlag rel, int entry, QAccessibleInterface **target) const;

    QString text(Text t, int child) const;
    QRect rect(int child) const;
    Role role(int child) const;
    State state(int child) const;

    bool doAction(int action, int child, const QVariantList &params);

protected:
    QComboBox *comboBox() const;
};
#endif // QT_NO_COMBOBOX

#endif // QT_NO_ACCESSIBILITY

#endif // COMPLEXWIDGETS_H
