diff options
author | Jerome Pasion <jerome.pasion@nokia.com> | 2012-05-08 09:43:20 +0200 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-05-09 00:56:16 +0200 |
commit | 2c4c7a38aa59e4b9970abd6456df99d597b3c45a (patch) | |
tree | e725f1e92cfd6f91be72c0d27960b0048fd08831 /src/qml/doc/snippets/code/src_script_qjsengine.cpp | |
parent | 029e510256a1a6ea8f30db75fa0745cad01353cb (diff) |
Doc: Moving QML docs for new doc structure
Change-Id: Id51e2cf10e8b5c5559bc4a375cb2db46c40bdf0a
Reviewed-by: Alan Alpert <alan.alpert@nokia.com>
Diffstat (limited to 'src/qml/doc/snippets/code/src_script_qjsengine.cpp')
-rw-r--r-- | src/qml/doc/snippets/code/src_script_qjsengine.cpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/qml/doc/snippets/code/src_script_qjsengine.cpp b/src/qml/doc/snippets/code/src_script_qjsengine.cpp new file mode 100644 index 0000000000..042bdd2760 --- /dev/null +++ b/src/qml/doc/snippets/code/src_script_qjsengine.cpp @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +QJSEngine myEngine; +QJSValue three = myEngine.evaluate("1 + 2"); +//! [0] + + +//! [1] +QJSValue fun = myEngine.evaluate("(function(a, b) { return a + b; })"); +QJSValueList args; +args << 1 << 2; +QJSValue threeAgain = fun.call(QJSValue(), args); +//! [1] + + +//! [2] +QString fileName = "helloworld.qs"; +QFile scriptFile(fileName); +if (!scriptFile.open(QIODevice::ReadOnly)) + // handle error +QTextStream stream(&scriptFile); +QString contents = stream.readAll(); +scriptFile.close(); +myEngine.evaluate(contents, fileName); +//! [2] + + +//! [3] +myEngine.globalObject().setProperty("myNumber", 123); +... +QJSValue myNumberPlusOne = myEngine.evaluate("myNumber + 1"); +//! [3] + + +//! [4] +QJSValue result = myEngine.evaluate(...); +if (result.isError()) + qDebug() << "uncaught exception:" << result.toString(); +//! [4] + + +//! [5] +QPushButton button; +QJSValue scriptButton = myEngine.newQObject(&button); +myEngine.globalObject().setProperty("button", scriptButton); + +myEngine.evaluate("button.checkable = true"); + +qDebug() << scriptButton.property("checkable").toBoolean(); +scriptButton.property("show").call(); // call the show() slot +//! [5] |