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diff --git a/src/widgets/accessible/simplewidgets.h b/src/widgets/accessible/simplewidgets.h
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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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SIMPLEWIDGETS_H
+#define SIMPLEWIDGETS_H
+
+#include <QtCore/qcoreapplication.h>
+#include <QtWidgets/qaccessiblewidget.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_ACCESSIBILITY
+
+class QAbstractButton;
+class QLineEdit;
+class QToolButton;
+class QGroupBox;
+class QProgressBar;
+
+class QAccessibleButton : public QAccessibleWidget
+{
+    Q_DECLARE_TR_FUNCTIONS(QAccessibleButton)
+public:
+    QAccessibleButton(QWidget *w, QAccessible::Role r);
+
+    QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
+    QAccessible::State state() const Q_DECL_OVERRIDE;
+    QRect rect() const Q_DECL_OVERRIDE;
+
+    QStringList actionNames() const Q_DECL_OVERRIDE;
+    void doAction(const QString &actionName) Q_DECL_OVERRIDE;
+    QStringList keyBindingsForAction(const QString &actionName) const Q_DECL_OVERRIDE;
+
+protected:
+    QAbstractButton *button() const;
+};
+
+#ifndef QT_NO_TOOLBUTTON
+class QAccessibleToolButton : public QAccessibleButton
+{
+public:
+    QAccessibleToolButton(QWidget *w, QAccessible::Role role);
+
+    QAccessible::State state() const Q_DECL_OVERRIDE;
+
+    int childCount() const Q_DECL_OVERRIDE;
+    QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
+
+    QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
+
+    // QAccessibleActionInterface
+    QStringList actionNames() const Q_DECL_OVERRIDE;
+    void doAction(const QString &actionName) Q_DECL_OVERRIDE;
+
+protected:
+    QToolButton *toolButton() const;
+
+    bool isSplitButton() const;
+};
+#endif // QT_NO_TOOLBUTTON
+
+class QAccessibleDisplay : public QAccessibleWidget, public QAccessibleImageInterface
+{
+public:
+    explicit QAccessibleDisplay(QWidget *w, QAccessible::Role role = QAccessible::StaticText);
+
+    QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
+    QAccessible::Role role() const Q_DECL_OVERRIDE;
+
+    QVector<QPair<QAccessibleInterface*, QAccessible::Relation> >relations(QAccessible::Relation match = QAccessible::AllRelations) const Q_DECL_OVERRIDE;
+    void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;
+
+    // QAccessibleImageInterface
+    QString imageDescription() const Q_DECL_OVERRIDE;
+    QSize imageSize() const Q_DECL_OVERRIDE;
+    QPoint imagePosition() const Q_DECL_OVERRIDE;
+};
+
+#ifndef QT_NO_GROUPBOX
+class QAccessibleGroupBox : public QAccessibleWidget
+{
+public:
+    explicit QAccessibleGroupBox(QWidget *w);
+
+    QAccessible::State state() const Q_DECL_OVERRIDE;
+    QAccessible::Role role() const Q_DECL_OVERRIDE;
+    QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
+
+    QVector<QPair<QAccessibleInterface*, QAccessible::Relation> >relations(QAccessible::Relation match = QAccessible::AllRelations) const Q_DECL_OVERRIDE;
+
+    //QAccessibleActionInterface
+    QStringList actionNames() const Q_DECL_OVERRIDE;
+    void doAction(const QString &actionName) Q_DECL_OVERRIDE;
+    QStringList keyBindingsForAction(const QString &) const Q_DECL_OVERRIDE;
+
+private:
+    QGroupBox *groupBox() const;
+};
+#endif
+
+#ifndef QT_NO_LINEEDIT
+class QAccessibleLineEdit : public QAccessibleWidget, public QAccessibleTextInterface, public QAccessibleEditableTextInterface
+{
+public:
+    explicit QAccessibleLineEdit(QWidget *o, const QString &name = QString());
+
+    QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
+    void setText(QAccessible::Text t, const QString &text) Q_DECL_OVERRIDE;
+    QAccessible::State state() const Q_DECL_OVERRIDE;
+    void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;
+
+    // QAccessibleTextInterface
+    void addSelection(int startOffset, int endOffset) Q_DECL_OVERRIDE;
+    QString attributes(int offset, int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
+    int cursorPosition() const Q_DECL_OVERRIDE;
+    QRect characterRect(int offset) const Q_DECL_OVERRIDE;
+    int selectionCount() const Q_DECL_OVERRIDE;
+    int offsetAtPoint(const QPoint &point) const Q_DECL_OVERRIDE;
+    void selection(int selectionIndex, int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
+    QString text(int startOffset, int endOffset) const Q_DECL_OVERRIDE;
+    QString textBeforeOffset (int offset, QAccessible::TextBoundaryType boundaryType,
+            int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
+    QString textAfterOffset(int offset, QAccessible::TextBoundaryType boundaryType,
+            int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
+    QString textAtOffset(int offset, QAccessible::TextBoundaryType boundaryType,
+            int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
+    void removeSelection(int selectionIndex) Q_DECL_OVERRIDE;
+    void setCursorPosition(int position) Q_DECL_OVERRIDE;
+    void setSelection(int selectionIndex, int startOffset, int endOffset) Q_DECL_OVERRIDE;
+    int characterCount() const Q_DECL_OVERRIDE;
+    void scrollToSubstring(int startIndex, int endIndex) Q_DECL_OVERRIDE;
+
+    // QAccessibleEditableTextInterface
+    void deleteText(int startOffset, int endOffset) Q_DECL_OVERRIDE;
+    void insertText(int offset, const QString &text) Q_DECL_OVERRIDE;
+    void replaceText(int startOffset, int endOffset, const QString &text) Q_DECL_OVERRIDE;
+protected:
+    QLineEdit *lineEdit() const;
+};
+#endif // QT_NO_LINEEDIT
+
+#ifndef QT_NO_PROGRESSBAR
+class QAccessibleProgressBar : public QAccessibleDisplay, public QAccessibleValueInterface
+{
+public:
+    explicit QAccessibleProgressBar(QWidget *o);
+    void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;
+
+    // QAccessibleValueInterface
+    QVariant currentValue() const Q_DECL_OVERRIDE;
+    QVariant maximumValue() const Q_DECL_OVERRIDE;
+    QVariant minimumValue() const Q_DECL_OVERRIDE;
+    QVariant minimumStepSize() const Q_DECL_OVERRIDE;
+    void setCurrentValue(const QVariant &) Q_DECL_OVERRIDE {}
+
+protected:
+    QProgressBar *progressBar() const;
+};
+#endif
+
+class QWindowContainer;
+class QAccessibleWindowContainer : public QAccessibleWidget
+{
+public:
+    QAccessibleWindowContainer(QWidget *w);
+    int childCount() const Q_DECL_OVERRIDE;
+    int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;
+    QAccessibleInterface *child(int i) const Q_DECL_OVERRIDE;
+
+private:
+    QWindowContainer *container() const;
+};
+
+#endif // QT_NO_ACCESSIBILITY
+
+QT_END_NAMESPACE
+
+#endif // SIMPLEWIDGETS_H