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

     2 **

     3 ** Copyright (C) 2010 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 QtDeclarative 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 QDECLARATIVEGLOBAL_H

    43 #define QDECLARATIVEGLOBAL_H

    44 

    45 #include <QtCore/qglobal.h>

    46 #include <QtCore/QObject>

    47 

    48 QT_BEGIN_HEADER

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 QT_MODULE(Declarative)

    53 

    54 #define DEFINE_BOOL_CONFIG_OPTION(name, var) \

    55     static bool name() \

    56     { \

    57         static enum { Yes, No, Unknown } status = Unknown; \

    58         if (status == Unknown) { \

    59             QByteArray v = qgetenv(#var); \

    60             bool value = !v.isEmpty() && v != "0" && v != "false"; \

    61             if (value) status = Yes; \

    62             else status = No; \

    63         } \

    64         return status == Yes; \

    65     }

    66 

    67 struct QDeclarativeGraphics_DerivedObject : public QObject

    68 {

    69     void setParent_noEvent(QObject *parent) {

    70         bool sce = d_ptr->sendChildEvents;

    71         d_ptr->sendChildEvents = false;

    72         setParent(parent);

    73         d_ptr->sendChildEvents = sce;

    74     }

    75 };

    76 

    77 /*!

    78     Makes the \a object a child of \a parent.  Note that when using this method,

    79     neither \a parent nor the object's previous parent (if it had one) will

    80     receive ChildRemoved or ChildAdded events.

    81 */

    82 inline void QDeclarative_setParent_noEvent(QObject *object, QObject *parent)

    83 {

    84     static_cast<QDeclarativeGraphics_DerivedObject *>(object)->setParent_noEvent(parent);

    85 }

    86 

    87 QT_END_NAMESPACE

    88 

    89 QT_END_HEADER

    90 

    91 #endif // QDECLARATIVEGLOBAL_H