// 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 RANGECONTROLS_H
#define RANGECONTROLS_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 <QtWidgets/private/qtwidgetsglobal_p.h>
#include <QtWidgets/qaccessiblewidget.h>

QT_BEGIN_NAMESPACE

#if QT_CONFIG(accessibility)

class QAbstractSpinBox;
class QAbstractSlider;
class QScrollBar;
class QSlider;
class QSpinBox;
class QDoubleSpinBox;
class QDial;
class QAccessibleLineEdit;

#if QT_CONFIG(spinbox)
class QAccessibleAbstractSpinBox:
        public QAccessibleWidget,
        public QAccessibleValueInterface,
        public QAccessibleTextInterface,
        public QAccessibleEditableTextInterface
{
public:
    explicit QAccessibleAbstractSpinBox(QWidget *w);
    virtual ~QAccessibleAbstractSpinBox();

    QString text(QAccessible::Text t) const override;
    void *interface_cast(QAccessible::InterfaceType t) override;

    // QAccessibleValueInterface
    QVariant currentValue() const override;
    void setCurrentValue(const QVariant &value) override;
    QVariant maximumValue() const override;
    QVariant minimumValue() const override;
    QVariant minimumStepSize() const override;

    // QAccessibleTextInterface
    void addSelection(int startOffset, int endOffset) override;
    QString attributes(int offset, int *startOffset, int *endOffset) const override;
    int cursorPosition() const override;
    QRect characterRect(int offset) const override;
    int selectionCount() const override;
    int offsetAtPoint(const QPoint &point) const override;
    void selection(int selectionIndex, int *startOffset, int *endOffset) const override;
    QString text(int startOffset, int endOffset) const override;
    QString textBeforeOffset (int offset, QAccessible::TextBoundaryType boundaryType,
            int *endOffset, int *startOffset) 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;
    void removeSelection(int selectionIndex) override;
    void setCursorPosition(int position) override;
    void setSelection(int selectionIndex, int startOffset, int endOffset) override;
    int characterCount() const override;
    void scrollToSubstring(int startIndex, int endIndex) override;

    // QAccessibleEditableTextInterface
    void deleteText(int startOffset, int endOffset) override;
    void insertText(int offset, const QString &text) override;
    void replaceText(int startOffset, int endOffset, const QString &text) override;

protected:
    QAbstractSpinBox *abstractSpinBox() const;
    QAccessibleInterface *lineEditIface() const;
private:
    mutable QAccessibleLineEdit *lineEdit;
};

class QAccessibleSpinBox : public QAccessibleAbstractSpinBox
{
public:
    explicit QAccessibleSpinBox(QWidget *w);

protected:
    QSpinBox *spinBox() const;
};

class QAccessibleDoubleSpinBox : public QAccessibleAbstractSpinBox
{
public:
    explicit QAccessibleDoubleSpinBox(QWidget *widget);

    QString text(QAccessible::Text t) const override;

    using QAccessibleAbstractSpinBox::text;
protected:
    QDoubleSpinBox *doubleSpinBox() const;
};
#endif // QT_CONFIG(spinbox)

#if QT_CONFIG(slider)
class QAccessibleAbstractSlider: public QAccessibleWidget, public QAccessibleValueInterface
{
public:
    explicit QAccessibleAbstractSlider(QWidget *w, QAccessible::Role r = QAccessible::Slider);
    void *interface_cast(QAccessible::InterfaceType t) override;

    // QAccessibleValueInterface
    QVariant currentValue() const override;
    void setCurrentValue(const QVariant &value) override;
    QVariant maximumValue() const override;
    QVariant minimumValue() const override;
    QVariant minimumStepSize() const override;

protected:
    QAbstractSlider *abstractSlider() const;
};
#endif // QT_CONFIG(slider)

#if QT_CONFIG(scrollbar)
class QAccessibleScrollBar : public QAccessibleAbstractSlider
{
public:
    explicit QAccessibleScrollBar(QWidget *w);
    QString text(QAccessible::Text t) const override;

protected:
    QScrollBar *scrollBar() const;
};
#endif // QT_CONFIG(scrollbar)

#if QT_CONFIG(slider)
class QAccessibleSlider : public QAccessibleAbstractSlider
{
public:
    explicit QAccessibleSlider(QWidget *w);
    QString text(QAccessible::Text t) const override;

protected:
    QSlider *slider() const;
};
#endif // QT_CONFIG(slider)

#if QT_CONFIG(dial)
class QAccessibleDial : public QAccessibleAbstractSlider
{
public:
    explicit QAccessibleDial(QWidget *w);

    QString text(QAccessible::Text textType) const override;

protected:
    QDial *dial() const;
};
#endif // QT_CONFIG(dial)

#endif // QT_CONFIG(accessibility)

QT_END_NAMESPACE

#endif // RANGECONTROLS_H