doc/src/snippets/scriptdebugger.cpp
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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)
       
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     7 ** This file is part of the documentation of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
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    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
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
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    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 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QtGui>
       
    43 #include <QtScript>
       
    44 #include <QtScriptTools>
       
    45 
       
    46 // Perhaps shpw entire example for getting debugger up with script
       
    47 int main(int argv, char **args)
       
    48 {
       
    49     QApplication app(argv, args);
       
    50 
       
    51      QString fileName("helloscript.qs");
       
    52      QFile scriptFile(fileName);
       
    53      scriptFile.open(QIODevice::ReadOnly);
       
    54      QTextStream stream(&scriptFile);
       
    55      QString contents = stream.readAll();
       
    56      scriptFile.close();
       
    57 
       
    58     QScriptEngine *engine = new QScriptEngine();
       
    59 
       
    60     QScriptEngineDebugger *debugger = new QScriptEngineDebugger();
       
    61     debugger->attachTo(engine);
       
    62 
       
    63     // Set up configuration with only stack and code
       
    64     QWidget *widget = new QWidget;
       
    65 //![0]
       
    66     QWidget *codeWindow = debugger->widget(QScriptEngineDebugger::CodeWidget);
       
    67     QWidget *stackWidget = debugger->widget(QScriptEngineDebugger::StackWidget);
       
    68 
       
    69     QLayout *layout = new QHBoxLayout;
       
    70     layout->addWidget(codeWindow);
       
    71     layout->addWidget(stackWidget);
       
    72 //![0]
       
    73 
       
    74 //![1]
       
    75     QAction *continueAction = debugger->action(QScriptEngineDebugger::ContinueAction);
       
    76     QAction *stepOverAction = debugger->action(QScriptEngineDebugger::StepOverAction);
       
    77     QAction *stepIntoAction = debugger->action(QScriptEngineDebugger::StepIntoAction);
       
    78 
       
    79     QToolBar *toolBar = new QToolBar;
       
    80     toolBar->addAction(continueAction);
       
    81 //![1]
       
    82     toolBar->addAction(stepOverAction);
       
    83     toolBar->addAction(stepIntoAction);
       
    84 
       
    85     layout->addWidget(toolBar);
       
    86     continueAction->setIcon(QIcon("copy.png"));
       
    87 
       
    88     debugger->setAutoShowStandardWindow(false);
       
    89 
       
    90     widget->setLayout(layout);
       
    91     widget->show();
       
    92 
       
    93      QPushButton button;
       
    94      QScriptValue scriptButton = engine->newQObject(&button);
       
    95      engine->globalObject().setProperty("button", scriptButton);
       
    96 
       
    97 //![2]
       
    98      debugger->action(QScriptEngineDebugger::InterruptAction)->trigger();
       
    99      engine->evaluate(contents, fileName);
       
   100 //![2]
       
   101 
       
   102     return app.exec();
       
   103 }
       
   104