/****************************************************************************

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

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****************************************************************************/

#include "q3simplewidgets.h"

#include <q3groupbox.h>

#include <qlabel.h>

QT_BEGIN_NAMESPACE

QString Q_GUI_EXPORT qt_accStripAmp(const QString &text);

Q3AccessibleDisplay::Q3AccessibleDisplay(QWidget *w, Role role)

: QAccessibleWidget(w, role)

{

}

/*! \reimp */

QAccessible::Role Q3AccessibleDisplay::role(int child) const

{

    QLabel *l = qobject_cast<QLabel*>(object());

    if (l) {

        if (l->pixmap() || l->picture())

            return Graphic;

        if (l->picture())

            return Graphic;

        if (l->movie())

            return Animation;

    }

    return QAccessibleWidget::role(child);

}

/*! \reimp */

QString Q3AccessibleDisplay::text(Text t, int child) const

{

    QString str;

    switch (t) {

    case Name:

        if (qobject_cast<QLabel*>(object())) {

            str = qobject_cast<QLabel*>(object())->text();

        } else if (qobject_cast<Q3GroupBox*>(object())) {

            str = qobject_cast<Q3GroupBox*>(object())->title();

        }

        break;

    default:

        break;

    }

    if (str.isEmpty())

        str = QAccessibleWidget::text(t, child);;

    return qt_accStripAmp(str);

}

/*! \reimp */

QAccessible::Relation Q3AccessibleDisplay::relationTo(int child, const QAccessibleInterface *other,

                                                      int otherChild) const

{

    Relation relation = QAccessibleWidget::relationTo(child, other, otherChild);

    if (child || otherChild)

        return relation;

    QObject *o = other->object();

    QLabel *label = qobject_cast<QLabel*>(object());

    Q3GroupBox *groupbox = qobject_cast<Q3GroupBox*>(object());

    if (label) {

        if (o == label->buddy())

            relation |= Label;

    } else if (groupbox && !groupbox->title().isEmpty()) {

        if (groupbox->children().contains(o))

            relation |= Label;

    }

    return relation;

}

/*! \reimp */

int Q3AccessibleDisplay::navigate(RelationFlag rel, int entry, QAccessibleInterface **target) const

{

    *target = 0;

    if (rel == Labelled) {

        QObject *targetObject = 0;

        QLabel *label = qobject_cast<QLabel*>(object());

        Q3GroupBox *groupbox = qobject_cast<Q3GroupBox*>(object());

        if (label) {

            if (entry == 1)

                targetObject = label->buddy();

        } else if (groupbox && !groupbox->title().isEmpty()) {

            rel = Child;

        }

        *target = QAccessible::queryAccessibleInterface(targetObject);

        if (*target)

            return 0;

    }

    return QAccessibleWidget::navigate(rel, entry, target);

}

QT_END_NAMESPACE