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.

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    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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    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

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

    41 

    42 #include <QtGui>

    43 

    44 int main(int argv, char **args)

    45 {

    46     QApplication app(argv, args);

    47     QWidget *button;

    48 

    49   {

    50 //![0]

    51     QStateMachine machine;

    52     machine.setGlobalRestorePolicy(QStateMachine::RestoreProperties);

    53 

    54     QState *s1 = new QState();

    55     s1->assignProperty(object, "fooBar", 1.0);

    56     machine.addState(s1);

    57     machine.setInitialState(s1);

    58 

    59     QState *s2 = new QState();

    60     machine.addState(s2);

    61 //![0]

    62   }

    63 

    64   {

    65 

    66 //![2]

    67     QStateMachine machine;

    68     machine.setGlobalRestorePolicy(QStateMachine::RestoreProperties);

    69 

    70     QState *s1 = new QState();

    71     s1->assignProperty(object, "fooBar", 1.0);

    72     machine.addState(s1);

    73     machine.setInitialState(s1);

    74 

    75     QState *s2 = new QState(s1);

    76     s2->assignProperty(object, "fooBar", 2.0);

    77     s1->setInitialState(s2);

    78 

    79     QState *s3 = new QState(s1);

    80 //![2]

    81 

    82   }

    83 

    84   {

    85 //![3]

    86     QState *s1 = new QState();

    87     QState *s2 = new QState();

    88 

    89     s1->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));

    90     s2->assignProperty(button, "geometry", QRectF(0, 0, 100, 100));

    91 

    92     s1->addTransition(button, SIGNAL(clicked()), s2);

    93 //![3]

    94 

    95   }

    96 

    97   {

    98 //![4]

    99     QState *s1 = new QState();

   100     QState *s2 = new QState();

   101 

   102     s1->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));

   103     s2->assignProperty(button, "geometry", QRectF(0, 0, 100, 100));

   104 

   105     QSignalTransition *transition = s1->addTransition(button, SIGNAL(clicked()), s2);

   106     transition->addAnimation(new QPropertyAnimation(button, "geometry"));

   107 //![4]

   108 

   109   }

   110 

   111   {

   112     QMainWindow *mainWindow = 0;

   113 

   114 //![5]

   115     QMessageBox *messageBox = new QMessageBox(mainWindow);

   116     messageBox->addButton(QMessageBox::Ok);

   117     messageBox->setText("Button geometry has been set!");

   118     messageBox->setIcon(QMessageBox::Information);

   119 

   120     QState *s1 = new QState();

   121 

   122     QState *s2 = new QState();

   123     s2->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));

   124     connect(s2, SIGNAL(entered()), messageBox, SLOT(exec()));

   125 

   126     s1->addTransition(button, SIGNAL(clicked()), s2);

   127 //![5]

   128   }

   129 

   130   {

   131     QMainWindow *mainWindow = 0;

   132 

   133 //![6]

   134     QMessageBox *messageBox = new QMessageBox(mainWindow);

   135     messageBox->addButton(QMessageBox::Ok);

   136     messageBox->setText("Button geometry has been set!");

   137     messageBox->setIcon(QMessageBox::Information);

   138 

   139     QState *s1 = new QState();

   140 

   141     QState *s2 = new QState();

   142     s2->assignProperty(button, "geometry", QRectF(0, 0, 50, 50));

   143 

   144     QState *s3 = new QState();

   145     connect(s3, SIGNAL(entered()), messageBox, SLOT(exec()));

   146 

   147     s1->addTransition(button, SIGNAL(clicked()), s2);

   148     s2->addTransition(s2, SIGNAL(propertiesAssigned()), s3);

   149 //![6]

   150 

   151   }

   152 

   153   {

   154 

   155 //![7]

   156     QState *s1 = new QState();

   157     QState *s2 = new QState();

   158 

   159     s2->assignProperty(object, "fooBar", 2.0);

   160     s1->addTransition(s2);

   161 

   162     QStateMachine machine;

   163     machine.setInitialState(s1);

   164     machine.addDefaultAnimation(new QPropertyAnimation(object, "fooBar"));

   165 //![7]

   166 

   167   }

   168 

   169 

   170 

   171     return app.exec();

   172 }

   173