doc/src/snippets/code/doc_src_designer-manual.qdoc
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     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 documentation 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 //! [0]
       
    43 CONFIG += uitools
       
    44 //! [0]
       
    45 
       
    46 
       
    47 //! [1]
       
    48 #include <QtUiTools>
       
    49 //! [1]
       
    50 
       
    51 
       
    52 //! [2]
       
    53 void on_<object name>_<signal name>(<signal parameters>);
       
    54 //! [2]
       
    55 
       
    56 
       
    57 //! [3]
       
    58 CONFIG += release
       
    59 //! [3]
       
    60 
       
    61 
       
    62 //! [4]
       
    63 target.path = $$[QT_INSTALL_PLUGINS]/designer
       
    64 INSTALLS += target
       
    65 //! [4]
       
    66 
       
    67 
       
    68 //! [5]
       
    69 QT += script
       
    70 //! [5]
       
    71 
       
    72 
       
    73 //! [6]
       
    74 widget.text = 'Hi - I was built ' + new Date().toString();
       
    75 //! [6]
       
    76 
       
    77 
       
    78 //! [7]
       
    79 class MyExtension: public QObject,
       
    80                    public QdesignerContainerExtension
       
    81 {
       
    82     Q_OBJECT
       
    83     Q_INTERFACE(QDesignerContainerExtension)
       
    84 
       
    85     ...
       
    86 }
       
    87 //! [7]
       
    88 
       
    89 
       
    90 //! [8]
       
    91 QObject *ANewExtensionFactory::createExtension(QObject *object,
       
    92         const QString &iid, QObject *parent) const
       
    93 {
       
    94     if (iid != Q_TYPEID(QDesignerContainerExtension))
       
    95         return 0;
       
    96 
       
    97     if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>
       
    98             (object))
       
    99         return new MyContainerExtension(widget, parent);
       
   100 
       
   101     return 0;
       
   102 }
       
   103 //! [8]
       
   104 
       
   105 
       
   106 //! [9]
       
   107 QObject *AGeneralExtensionFactory::createExtension(QObject *object,
       
   108         const QString &iid, QObject *parent) const
       
   109 {
       
   110     MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);
       
   111 
       
   112     if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {
       
   113          return new MyTaskMenuExtension(widget, parent);
       
   114 
       
   115     } else if (widget && (iid == Q_TYPEID(QDesignerContainerExtension))) {
       
   116         return new MyContainerExtension(widget, parent);
       
   117 
       
   118     } else {
       
   119         return 0;
       
   120     }
       
   121 }
       
   122 //! [9]
       
   123 
       
   124 
       
   125 //! [10]
       
   126 void MyPlugin::initialize(QDesignerFormEditorInterface *formEditor)
       
   127 {
       
   128     if (initialized)
       
   129         return;
       
   130 
       
   131     QExtensionManager *manager = formEditor->extensionManager();
       
   132     Q_ASSERT(manager != 0);
       
   133 
       
   134     manager->registerExtensions(new MyExtensionFactory(manager),
       
   135                                 Q_TYPEID(QDesignerTaskMenuExtension));
       
   136 
       
   137     initialized = true;
       
   138 }
       
   139 //! [10]