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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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>
#include <QtQuick/private/qtquickglobal_p.h>
QT_BEGIN_NAMESPACE
#if QT_CONFIG(accessibility)
class QTextDocument;
class Q_QUICK_EXPORT QAccessibleQuickItem : public QAccessibleObject, public QAccessibleActionInterface, public QAccessibleValueInterface, public QAccessibleTextInterface
{
public:
QAccessibleQuickItem(QQuickItem *item);
QWindow *window() const override;
QRect rect() const override;
QRect viewRect() const;
bool clipsChildren() const;
QAccessibleInterface *childAt(int x, int y) const override;
QAccessibleInterface *parent() const override;
QAccessibleInterface *child(int index) const override;
int childCount() const override;
int indexOfChild(const QAccessibleInterface *iface) const override;
QList<QQuickItem *> childItems() const;
QAccessible::State state() const override;
QAccessible::Role role() const override;
QString text(QAccessible::Text) const override;
void setText(QAccessible::Text, const QString &text) override;
bool isAccessible() const;
// Action Interface
QStringList actionNames() const override;
void doAction(const QString &actionName) override;
QStringList keyBindingsForAction(const QString &actionName) const override;
// Value Interface
QVariant currentValue() const override;
void setCurrentValue(const QVariant &value) override;
QVariant maximumValue() const override;
QVariant minimumValue() const override;
QVariant minimumStepSize() const override;
// Text Interface
void selection(int selectionIndex, int *startOffset, int *endOffset) const override;
int selectionCount() const override;
void addSelection(int startOffset, int endOffset) override;
void removeSelection(int selectionIndex) override;
void setSelection(int selectionIndex, int startOffset, int endOffset) override;
// cursor
int cursorPosition() const override;
void setCursorPosition(int position) override;
// text
QString text(int startOffset, int endOffset) const override;
QString textBeforeOffset(int offset, QAccessible::TextBoundaryType boundaryType,
int *startOffset, int *endOffset) const override;
QString textAfterOffset(int offset, QAccessible::TextBoundaryType boundaryType,
int *startOffset, int *endOffset) const override;
QString textAtOffset(int offset, QAccessible::TextBoundaryType boundaryType,
int *startOffset, int *endOffset) const override;
int characterCount() const override;
// character <-> geometry
QRect characterRect(int /* offset */) const override { return QRect(); }
int offsetAtPoint(const QPoint & /* point */) const override { return -1; }
void scrollToSubstring(int /* startIndex */, int /* endIndex */) override {}
QString attributes(int /* offset */, int *startOffset, int *endOffset) const 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) override;
private:
// for Text nodes:
QTextDocument *m_doc;
typedef QHash<int, QAccessible::Id> ChildCache;
mutable ChildCache m_childToId;
};
QRect itemScreenRect(QQuickItem *item);
QList<QQuickItem *> accessibleUnignoredChildren(QQuickItem *item, bool paintOrder = false);
#endif // accessibility
QT_END_NAMESPACE
#endif // QACCESSIBLEQUICKITEM_H
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