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diff --git a/src/widgets/accessible/rangecontrols.cpp b/src/widgets/accessible/rangecontrols.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "rangecontrols.h"
+
+#include <qslider.h>
+#include <qdial.h>
+#include <qspinbox.h>
+#include <qscrollbar.h>
+#include <qstyle.h>
+#include <qstyleoption.h>
+#include <qdebug.h>
+#include <qglobal.h>
+#include <QDoubleSpinBox>
+#include <QDial>
+#include <qmath.h>
+#include <private/qmath_p.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_ACCESSIBILITY
+
+#ifndef QT_NO_SPINBOX
+QAccessibleAbstractSpinBox::QAccessibleAbstractSpinBox(QWidget *w)
+: QAccessibleWidget(w, QAccessible::SpinBox)
+{
+    Q_ASSERT(abstractSpinBox());
+}
+
+/*!
+    Returns the underlying QAbstractSpinBox.
+*/
+QAbstractSpinBox *QAccessibleAbstractSpinBox::abstractSpinBox() const
+{
+    return qobject_cast<QAbstractSpinBox*>(object());
+}
+
+QString QAccessibleAbstractSpinBox::text(QAccessible::Text t) const
+{
+    if (t == QAccessible::Value)
+        return abstractSpinBox()->text();
+    return QAccessibleWidget::text(t);
+}
+
+void *QAccessibleAbstractSpinBox::interface_cast(QAccessible::InterfaceType t)
+{
+    if (t == QAccessible::ValueInterface)
+        return static_cast<QAccessibleValueInterface*>(this);
+    return QAccessibleWidget::interface_cast(t);
+}
+
+QVariant QAccessibleAbstractSpinBox::currentValue() const
+{
+    QVariant result = abstractSpinBox()->property("value");
+    QVariant::Type type = result.type();
+
+    // IA2 only allows numeric types
+    if (type == QVariant::Int || type == QVariant::UInt || type == QVariant::LongLong
+        || type == QVariant::ULongLong || type == QVariant::Double)
+        return result;
+
+    return QVariant();
+}
+
+void QAccessibleAbstractSpinBox::setCurrentValue(const QVariant &value)
+{
+    abstractSpinBox()->setProperty("value", value);
+}
+
+QVariant QAccessibleAbstractSpinBox::maximumValue() const
+{
+    return abstractSpinBox()->property("maximum");
+}
+
+QVariant QAccessibleAbstractSpinBox::minimumValue() const
+{
+    return abstractSpinBox()->property("minimum");
+}
+
+QVariant QAccessibleAbstractSpinBox::minimumStepSize() const
+{
+    return abstractSpinBox()->property("stepSize");
+}
+
+/*!
+  \class QAccessibleSpinBox
+  \brief The QAccessibleSpinBox class implements the QAccessibleInterface for spinbox widgets.
+  \internal
+
+  \ingroup accessibility
+*/
+
+/*!
+  Constructs a QAccessibleSpinWidget object for \a w.
+*/
+QAccessibleSpinBox::QAccessibleSpinBox(QWidget *w)
+: QAccessibleAbstractSpinBox(w)
+{
+    Q_ASSERT(spinBox());
+    addControllingSignal(QLatin1String("valueChanged(int)"));
+    addControllingSignal(QLatin1String("valueChanged(QString)"));
+}
+
+/*!
+    Returns the underlying QSpinBox.
+*/
+QSpinBox *QAccessibleSpinBox::spinBox() const
+{
+    return qobject_cast<QSpinBox*>(object());
+}
+
+
+// ================================== QAccessibleDoubleSpinBox ==================================
+QAccessibleDoubleSpinBox::QAccessibleDoubleSpinBox(QWidget *widget)
+    : QAccessibleAbstractSpinBox(widget)
+{
+    Q_ASSERT(qobject_cast<QDoubleSpinBox *>(widget));
+    addControllingSignal(QLatin1String("valueChanged(double)"));
+    addControllingSignal(QLatin1String("valueChanged(QString)"));
+}
+
+/*!
+    Returns the underlying QDoubleSpinBox.
+*/
+QDoubleSpinBox *QAccessibleDoubleSpinBox::doubleSpinBox() const
+{
+    return static_cast<QDoubleSpinBox*>(object());
+}
+
+QString QAccessibleDoubleSpinBox::text(QAccessible::Text textType) const
+{
+    if (textType == QAccessible::Value)
+        return doubleSpinBox()->textFromValue(doubleSpinBox()->value());
+    return QAccessibleWidget::text(textType);
+}
+
+#endif // QT_NO_SPINBOX
+
+#ifndef QT_NO_SCROLLBAR
+/*!
+  \class QAccessibleScrollBar
+  \brief The QAccessibleScrollBar class implements the QAccessibleInterface for scroll bars.
+  \internal
+
+  \ingroup accessibility
+*/
+
+/*!
+  Constructs a QAccessibleScrollBar object for \a w.
+  \a name is propagated to the QAccessibleWidget constructor.
+*/
+QAccessibleScrollBar::QAccessibleScrollBar(QWidget *w)
+: QAccessibleAbstractSlider(w, QAccessible::ScrollBar)
+{
+    Q_ASSERT(scrollBar());
+    addControllingSignal(QLatin1String("valueChanged(int)"));
+}
+
+/*! Returns the scroll bar. */
+QScrollBar *QAccessibleScrollBar::scrollBar() const
+{
+    return qobject_cast<QScrollBar*>(object());
+}
+
+QString QAccessibleScrollBar::text(QAccessible::Text t) const
+{
+    if (t == QAccessible::Value)
+        return QString::number(scrollBar()->value());
+    return QAccessibleAbstractSlider::text(t);
+}
+
+#endif // QT_NO_SCROLLBAR
+
+#ifndef QT_NO_SLIDER
+/*!
+  \class QAccessibleSlider
+  \brief The QAccessibleSlider class implements the QAccessibleInterface for sliders.
+  \internal
+
+  \ingroup accessibility
+*/
+
+/*!
+  Constructs a QAccessibleScrollBar object for \a w.
+  \a name is propagated to the QAccessibleWidget constructor.
+*/
+QAccessibleSlider::QAccessibleSlider(QWidget *w)
+: QAccessibleAbstractSlider(w)
+{
+    Q_ASSERT(slider());
+    addControllingSignal(QLatin1String("valueChanged(int)"));
+}
+
+/*! Returns the slider. */
+QSlider *QAccessibleSlider::slider() const
+{
+    return qobject_cast<QSlider*>(object());
+}
+
+QString QAccessibleSlider::text(QAccessible::Text t) const
+{
+    if (t == QAccessible::Value)
+        return QString::number(slider()->value());
+
+    return QAccessibleAbstractSlider::text(t);
+}
+
+QAccessibleAbstractSlider::QAccessibleAbstractSlider(QWidget *w, QAccessible::Role r)
+    : QAccessibleWidget(w, r)
+{
+    Q_ASSERT(qobject_cast<QAbstractSlider *>(w));
+}
+
+void *QAccessibleAbstractSlider::interface_cast(QAccessible::InterfaceType t)
+{
+    if (t == QAccessible::ValueInterface)
+        return static_cast<QAccessibleValueInterface*>(this);
+    return QAccessibleWidget::interface_cast(t);
+}
+
+QVariant QAccessibleAbstractSlider::currentValue() const
+{
+    return abstractSlider()->value();
+}
+
+void QAccessibleAbstractSlider::setCurrentValue(const QVariant &value)
+{
+    abstractSlider()->setValue(value.toInt());
+}
+
+QVariant QAccessibleAbstractSlider::maximumValue() const
+{
+    return abstractSlider()->maximum();
+}
+
+QVariant QAccessibleAbstractSlider::minimumValue() const
+{
+    return abstractSlider()->minimum();
+}
+
+QVariant QAccessibleAbstractSlider::minimumStepSize() const
+{
+    return abstractSlider()->singleStep();
+}
+
+QAbstractSlider *QAccessibleAbstractSlider::abstractSlider() const
+{
+    return static_cast<QAbstractSlider *>(object());
+}
+
+#endif // QT_NO_SLIDER
+
+#ifndef QT_NO_DIAL
+// ======================================= QAccessibleDial ======================================
+QAccessibleDial::QAccessibleDial(QWidget *widget)
+    : QAccessibleAbstractSlider(widget, QAccessible::Dial)
+{
+    Q_ASSERT(qobject_cast<QDial *>(widget));
+    addControllingSignal(QLatin1String("valueChanged(int)"));
+}
+
+QString QAccessibleDial::text(QAccessible::Text textType) const
+{
+    if (textType == QAccessible::Value)
+        return QString::number(dial()->value());
+
+    return QAccessibleAbstractSlider::text(textType);
+}
+
+QDial *QAccessibleDial::dial() const
+{
+    return static_cast<QDial*>(object());
+}
+#endif // QT_NO_DIAL
+
+#endif // QT_NO_ACCESSIBILITY
+
+QT_END_NAMESPACE