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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QACCESSIBLEQUICKITEM_H
#define QACCESSIBLEQUICKITEM_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 <QtQuick/QQuickItem>
#include <QtQuick/QQuickView>
#include <QtGui/qaccessibleobject.h>
QT_BEGIN_NAMESPACE
#if QT_CONFIG(accessibility)
class QTextDocument;
class QAccessibleQuickItem : public QAccessibleObject, public QAccessibleActionInterface, public QAccessibleValueInterface, public QAccessibleTextInterface
{
public:
QAccessibleQuickItem(QQuickItem *item);
QWindow *window() const Q_DECL_OVERRIDE;
QRect rect() const Q_DECL_OVERRIDE;
QRect viewRect() const;
bool clipsChildren() const;
QAccessibleInterface *childAt(int x, int y) const Q_DECL_OVERRIDE;
QAccessibleInterface *parent() const Q_DECL_OVERRIDE;
QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
int childCount() const Q_DECL_OVERRIDE;
int indexOfChild(const QAccessibleInterface *iface) const Q_DECL_OVERRIDE;
QList<QQuickItem *> childItems() const;
QAccessible::State state() const Q_DECL_OVERRIDE;
QAccessible::Role role() const Q_DECL_OVERRIDE;
QString text(QAccessible::Text) const Q_DECL_OVERRIDE;
bool isAccessible() const;
// Action Interface
QStringList actionNames() const Q_DECL_OVERRIDE;
void doAction(const QString &actionName) Q_DECL_OVERRIDE;
QStringList keyBindingsForAction(const QString &actionName) const Q_DECL_OVERRIDE;
// Value Interface
QVariant currentValue() const Q_DECL_OVERRIDE;
void setCurrentValue(const QVariant &value) Q_DECL_OVERRIDE;
QVariant maximumValue() const Q_DECL_OVERRIDE;
QVariant minimumValue() const Q_DECL_OVERRIDE;
QVariant minimumStepSize() const Q_DECL_OVERRIDE;
// Text Interface
void selection(int selectionIndex, int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
int selectionCount() const Q_DECL_OVERRIDE;
void addSelection(int startOffset, int endOffset) Q_DECL_OVERRIDE;
void removeSelection(int selectionIndex) Q_DECL_OVERRIDE;
void setSelection(int selectionIndex, int startOffset, int endOffset) Q_DECL_OVERRIDE;
// cursor
int cursorPosition() const Q_DECL_OVERRIDE;
void setCursorPosition(int position) Q_DECL_OVERRIDE;
// text
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;
int characterCount() const Q_DECL_OVERRIDE;
// character <-> geometry
QRect characterRect(int /* offset */) const Q_DECL_OVERRIDE { return QRect(); }
int offsetAtPoint(const QPoint & /* point */) const Q_DECL_OVERRIDE { return -1; }
void scrollToSubstring(int /* startIndex */, int /* endIndex */) Q_DECL_OVERRIDE {}
QString attributes(int /* offset */, int *startOffset, int *endOffset) const Q_DECL_OVERRIDE
{ *startOffset = 0; *endOffset = 0; return QString(); }
QTextDocument *textDocument() const;
protected:
QQuickItem *item() const { return static_cast<QQuickItem*>(object()); }
void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;
private:
QTextDocument *m_doc;
};
QRect itemScreenRect(QQuickItem *item);
QList<QQuickItem *> accessibleUnignoredChildren(QQuickItem *item, bool paintOrder = false);
#endif // accessibility
QT_END_NAMESPACE
#endif // QACCESSIBLEQUICKITEM_H
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