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 plugins 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 **

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    32 **

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    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

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

    41 

    42 #include "q3simplewidgets.h"

    43 

    44 #include <q3groupbox.h>

    45 #include <qlabel.h>

    46 

    47 QT_BEGIN_NAMESPACE

    48 

    49 QString Q_GUI_EXPORT qt_accStripAmp(const QString &text);

    50 

    51 Q3AccessibleDisplay::Q3AccessibleDisplay(QWidget *w, Role role)

    52 : QAccessibleWidget(w, role)

    53 {

    54 }

    55 

    56 /*! \reimp */

    57 QAccessible::Role Q3AccessibleDisplay::role(int child) const

    58 {

    59     QLabel *l = qobject_cast<QLabel*>(object());

    60     if (l) {

    61         if (l->pixmap() || l->picture())

    62             return Graphic;

    63         if (l->picture())

    64             return Graphic;

    65         if (l->movie())

    66             return Animation;

    67     }

    68     return QAccessibleWidget::role(child);

    69 }

    70 

    71 /*! \reimp */

    72 QString Q3AccessibleDisplay::text(Text t, int child) const

    73 {

    74     QString str;

    75     switch (t) {

    76     case Name:

    77         if (qobject_cast<QLabel*>(object())) {

    78             str = qobject_cast<QLabel*>(object())->text();

    79         } else if (qobject_cast<Q3GroupBox*>(object())) {

    80             str = qobject_cast<Q3GroupBox*>(object())->title();

    81         }

    82         break;

    83     default:

    84         break;

    85     }

    86     if (str.isEmpty())

    87         str = QAccessibleWidget::text(t, child);;

    88     return qt_accStripAmp(str);

    89 }

    90 

    91 /*! \reimp */

    92 QAccessible::Relation Q3AccessibleDisplay::relationTo(int child, const QAccessibleInterface *other,

    93                                                       int otherChild) const

    94 {

    95     Relation relation = QAccessibleWidget::relationTo(child, other, otherChild);

    96     if (child || otherChild)

    97         return relation;

    98 

    99     QObject *o = other->object();

   100     QLabel *label = qobject_cast<QLabel*>(object());

   101     Q3GroupBox *groupbox = qobject_cast<Q3GroupBox*>(object());

   102     if (label) {

   103         if (o == label->buddy())

   104             relation |= Label;

   105     } else if (groupbox && !groupbox->title().isEmpty()) {

   106         if (groupbox->children().contains(o))

   107             relation |= Label;

   108     }

   109     return relation;

   110 }

   111 

   112 /*! \reimp */

   113 int Q3AccessibleDisplay::navigate(RelationFlag rel, int entry, QAccessibleInterface **target) const

   114 {

   115     *target = 0;

   116     if (rel == Labelled) {

   117         QObject *targetObject = 0;

   118         QLabel *label = qobject_cast<QLabel*>(object());

   119         Q3GroupBox *groupbox = qobject_cast<Q3GroupBox*>(object());

   120         if (label) {

   121             if (entry == 1)

   122                 targetObject = label->buddy();

   123         } else if (groupbox && !groupbox->title().isEmpty()) {

   124             rel = Child;

   125         }

   126         *target = QAccessible::queryAccessibleInterface(targetObject);

   127         if (*target)

   128             return 0;

   129     }

   130     return QAccessibleWidget::navigate(rel, entry, target);

   131 }

   132 

   133 QT_END_NAMESPACE