/****************************************************************************

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the plugins of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** 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

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****************************************************************************/

#ifndef SIMPLEWIDGETS_H

#define SIMPLEWIDGETS_H

#include <QtCore/qcoreapplication.h>

#include <QtGui/qaccessible2.h>

#include <QtGui/qaccessiblewidget.h>

QT_BEGIN_NAMESPACE

#ifndef QT_NO_ACCESSIBILITY

class QAbstractButton;

class QLineEdit;

class QToolButton;

class QProgressBar;

class QAccessibleButton : public QAccessibleWidgetEx, public QAccessibleActionInterface

{

    Q_ACCESSIBLE_OBJECT

    Q_DECLARE_TR_FUNCTIONS(QAccessibleButton)

public:

    QAccessibleButton(QWidget *w, Role r);

    QString text(Text t, int child) const;

    State state(int child) const;

    QString actionText(int action, Text text, int child) const;

    bool doAction(int action, int child, const QVariantList &params);

    // QAccessibleActionInterface

    int actionCount();

    void doAction(int actionIndex);

    QString description(int actionIndex);

    QString name(int actionIndex);

    QString localizedName(int actionIndex);

    QStringList keyBindings(int actionIndex);

protected:

    QAbstractButton *button() const;

};

#ifndef QT_NO_TOOLBUTTON

class QAccessibleToolButton : public QAccessibleButton

{

public:

    QAccessibleToolButton(QWidget *w, Role role);

    enum ToolButtonElements {

        ToolButtonSelf        = 0,

        ButtonExecute,

        ButtonDropMenu

    };

    Role role(int child) const;

    State state(int child) const;

    int childCount() const;

    QRect rect(int child) const;

    QString text(Text t, int child) const;

    int actionCount(int child) const;

    QString actionText(int action, Text text, int child) const;

    bool doAction(int action, int child, const QVariantList &params);

protected:

    QToolButton *toolButton() const;

    bool isSplitButton() const;

};

#endif // QT_NO_TOOLBUTTON

class QAccessibleDisplay : public QAccessibleWidgetEx

{

    Q_ACCESSIBLE_OBJECT

public:

    explicit QAccessibleDisplay(QWidget *w, Role role = StaticText);

    QString text(Text t, int child) const;

    Role role(int child) const;

    Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const;

    int navigate(RelationFlag, int entry, QAccessibleInterface **target) const;

};

#ifndef QT_NO_LINEEDIT

class QAccessibleLineEdit : public QAccessibleWidgetEx, public QAccessibleTextInterface,

                            public QAccessibleSimpleEditableTextInterface

{

    Q_ACCESSIBLE_OBJECT

public:

    explicit QAccessibleLineEdit(QWidget *o, const QString &name = QString());

    QString text(Text t, int child) const;

    void setText(Text t, int control, const QString &text);

    State state(int child) const;

    QVariant invokeMethodEx(QAccessible::Method method, int child, const QVariantList &params);

    // QAccessibleTextInterface

    void addSelection(int startOffset, int endOffset);

    QString attributes(int offset, int *startOffset, int *endOffset);

    int cursorPosition();

    QRect characterRect(int offset, QAccessible2::CoordinateType coordType);

    int selectionCount();

    int offsetAtPoint(const QPoint &point, QAccessible2::CoordinateType coordType);

    void selection(int selectionIndex, int *startOffset, int *endOffset);

    QString text(int startOffset, int endOffset);

    QString textBeforeOffset (int offset, QAccessible2::BoundaryType boundaryType,

            int *startOffset, int *endOffset);

    QString textAfterOffset(int offset, QAccessible2::BoundaryType boundaryType,

            int *startOffset, int *endOffset);

    QString textAtOffset(int offset, QAccessible2::BoundaryType boundaryType,

            int *startOffset, int *endOffset);

    void removeSelection(int selectionIndex);

    void setCursorPosition(int position);

    void setSelection(int selectionIndex, int startOffset, int endOffset);

    int characterCount();

    void scrollToSubstring(int startIndex, int endIndex);

protected:

    QLineEdit *lineEdit() const;

};

#endif // QT_NO_LINEEDIT

#ifndef QT_NO_PROGRESSBAR

class QAccessibleProgressBar : public QAccessibleDisplay, public QAccessibleValueInterface

{

    Q_ACCESSIBLE_OBJECT

public:

    explicit QAccessibleProgressBar(QWidget *o);

    // QAccessibleValueInterface

    QVariant currentValue();

    QVariant maximumValue();

    QVariant minimumValue();

    inline void setCurrentValue(const QVariant &) {}

protected:

    QProgressBar *progressBar() const;

};

#endif

#endif // QT_NO_ACCESSIBILITY

QT_END_NAMESPACE

#endif // SIMPLEWIDGETS_H