1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

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

     6 **

     7 ** This file is part of the QtGui module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

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

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

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QACCESSIBLEWIDGET_H

    43 #define QACCESSIBLEWIDGET_H

    44 

    45 #include <QtGui/qaccessibleobject.h>

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Gui)

    52 

    53 #ifndef QT_NO_ACCESSIBILITY

    54 

    55 class QAccessibleWidgetPrivate;

    56 

    57 class Q_GUI_EXPORT QAccessibleWidget : public QAccessibleObject

    58 {

    59 public:

    60     explicit QAccessibleWidget(QWidget *o, Role r = Client, const QString& name = QString());

    61 

    62     int childCount() const;

    63     int indexOfChild(const QAccessibleInterface *child) const;

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

    65 

    66     int childAt(int x, int y) const;

    67     QRect rect(int child) const;

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

    69 

    70     QString text(Text t, int child) const;

    71     Role role(int child) const;

    72     State state(int child) const;

    73 

    74 #ifndef QT_NO_ACTION

    75     int userActionCount(int child) const;

    76     QString actionText(int action, Text t, int child) const;

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

    78 #endif

    79 

    80 protected:

    81     ~QAccessibleWidget();

    82     QWidget *widget() const;

    83     QObject *parentObject() const;

    84 

    85     void addControllingSignal(const QString &signal);

    86     void setValue(const QString &value);

    87     void setDescription(const QString &desc);

    88     void setHelp(const QString &help);

    89     void setAccelerator(const QString &accel);

    90 

    91 private:

    92     friend class QAccessibleWidgetEx;

    93     QAccessibleWidgetPrivate *d;

    94     Q_DISABLE_COPY(QAccessibleWidget)

    95 };

    96 

    97 class Q_GUI_EXPORT QAccessibleWidgetEx : public QAccessibleObjectEx

    98 {

    99 public:

   100     explicit QAccessibleWidgetEx(QWidget *o, Role r = Client, const QString& name = QString());

   101 

   102     int childCount() const;

   103     int indexOfChild(const QAccessibleInterface *child) const;

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

   105 

   106     int childAt(int x, int y) const;

   107     QRect rect(int child) const;

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

   109 

   110     QString text(Text t, int child) const;

   111     Role role(int child) const;

   112     State state(int child) const;

   113 

   114     QString actionText(int action, Text t, int child) const;

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

   116 

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

   118 

   119 protected:

   120     ~QAccessibleWidgetEx();

   121     QWidget *widget() const;

   122     QObject *parentObject() const;

   123 

   124     void addControllingSignal(const QString &signal);

   125     void setValue(const QString &value);

   126     void setDescription(const QString &desc);

   127     void setHelp(const QString &help);

   128     void setAccelerator(const QString &accel);

   129 

   130 private:

   131     QAccessibleWidgetPrivate *d;

   132     Q_DISABLE_COPY(QAccessibleWidgetEx)

   133 };

   134 

   135 #endif // QT_NO_ACCESSIBILITY

   136 

   137 QT_END_NAMESPACE

   138 

   139 QT_END_HEADER

   140 

   141 #endif // QACCESSIBLEWIDGET_H