1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the documentation of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:BSD$
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15 ** notice, this list of conditions and the following disclaimer.
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25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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39 ****************************************************************************/
43 QJSValue three = myEngine.evaluate("1 + 2");
48 QJSValue fun = myEngine.evaluate("(function(a, b) { return a + b; })");
51 QJSValue threeAgain = fun.call(QJSValue(), args);
56 QString fileName = "helloworld.qs";
57 QFile scriptFile(fileName);
58 if (!scriptFile.open(QIODevice::ReadOnly))
60 QTextStream stream(&scriptFile);
61 QString contents = stream.readAll();
63 myEngine.evaluate(contents, fileName);
68 myEngine.globalObject().setProperty("myNumber", 123);
70 QJSValue myNumberPlusOne = myEngine.evaluate("myNumber + 1");
75 QJSValue result = myEngine.evaluate(...);
76 if (myEngine.hasUncaughtException())
77 qDebug() << "uncaught exception:" << result.toString();
83 QJSValue scriptButton = myEngine.newQObject(&button);
84 myEngine.globalObject().setProperty("button", scriptButton);
86 myEngine.evaluate("button.checkable = true");
88 qDebug() << scriptButton.property("checkable").toBoolean();
89 scriptButton.property("show").call(); // call the show() slot