Merge branch 'master' of git://scm.dev.nokia.troll.no/qt/qt-symbian-team

* 'master' of git://scm.dev.nokia.troll.no/qt/qt-symbian-team: (537 commits)
  Add branch prediction macros
  Add methods for traversing and combining QProcessEnvironment.
  Designer [Qt Creator integration]: Fix integrated property editor.
  Remove obsolete patch file
  Fix animation tests after merge
  Compilation fix for WinCE
  Handle the HTTP 418 reply properly in QNAM
  Fix compilation of libtiff with zlib 1.2.5
  Make sure we don't use subpixel positions in full hinting mode
  Fixed underline offset after raster coordinate system change.
  QGLContext on EGL gets an additional QEglProperties static field applied to every window surface created.
  Remove duplicated test.
  Actually do use the properties parameter in ::createSurface for x11egl.
  Modified pvrqwswsegl.c to make PowerVR work for processors using flipbuffer chain
  Check that pixmap is not null before accessing it
  Add missing test file.
  Changing width of RTL positioner doesn't relayout
  Fix TextInput auto test failure on mac.
  PinchArea and Flickable don't work well enough together
  Do not set focus unnecessarily at window activation in Symbian
  ...

1 files changed, 568 insertions, 0 deletions

diff --git a/doc/src/snippets/code/doc_src_qtscript.cpp b/doc/src/snippets/code/doc_src_qtscript.cpp
new file mode 100644
index 0000000..de82029
--- /dev/null
+++ b/doc/src/snippets/code/doc_src_qtscript.cpp
@@ -0,0 +1,568 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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]
+#include <QtScript>
+//! [0]
+
+//! [13]
+Q_PROPERTY(bool enabled READ enabled WRITE setEnabled)
+//! [13]
+
+//! [18]
+QScriptValue myQObjectConstructor(QScriptContext *context, QScriptEngine *engine)
+{
+  // let the engine manage the new object's lifetime.
+  return engine->newQObject(new MyQObject(), QScriptEngine::ScriptOwnership);
+}
+//! [18]
+
+
+//! [19]
+class MyObject : public QObject
+{
+    Q_OBJECT
+
+public:
+    MyObject( ... );
+
+    void aNonScriptableFunction();
+
+public slots: // these functions (slots) will be available in QtScript
+    void calculate( ... );
+    void setEnabled( bool enabled );
+    bool isEnabled() const;
+
+private:
+   ....
+
+};
+//! [19]
+
+
+//! [20]
+class MyObject : public QObject
+{
+    Q_OBJECT
+
+    public:
+    Q_INVOKABLE void thisMethodIsInvokableInQtScript();
+    void thisMethodIsNotInvokableInQtScript();
+
+    ...
+};
+//! [20]
+
+
+//! [23]
+class MyObject : public QObject
+{
+    Q_OBJECT
+    // define the enabled property
+    Q_PROPERTY( bool enabled WRITE setEnabled READ isEnabled )
+
+public:
+    MyObject( ... );
+
+    void aNonScriptableFunction();
+
+public slots: // these functions (slots) will be available in QtScript
+    void calculate( ... );
+    void setEnabled( bool enabled );
+    bool isEnabled() const;
+
+private:
+   ....
+
+};
+//! [23]
+
+
+//! [24]
+Q_PROPERTY(int nonScriptableProperty READ foo WRITE bar SCRIPTABLE false)
+//! [24]
+
+
+//! [25]
+class MyObject : public QObject
+{
+    Q_OBJECT
+    // define the enabled property
+    Q_PROPERTY( bool enabled WRITE setEnabled READ isEnabled )
+
+public:
+    MyObject( ... );
+
+    void aNonScriptableFunction();
+
+public slots: // these functions (slots) will be available in QtScript
+    void calculate( ... );
+    void setEnabled( bool enabled );
+    bool isEnabled() const;
+
+signals: // the signals
+    void enabledChanged( bool newState );
+
+private:
+   ....
+
+};
+//! [25]
+
+
+//! [34]
+QScriptValue Person_ctor(QScriptContext *context, QScriptEngine *engine)
+{
+  QString name = context->argument(0).toString();
+  context->thisObject().setProperty("name", name);
+  return engine->undefinedValue();
+}
+//! [34]
+
+
+//! [35]
+QScriptValue Person_prototype_toString(QScriptContext *context, QScriptEngine *engine)
+{
+  QString name = context->thisObject().property("name").toString();
+  QString result = QString::fromLatin1("Person(name: %0)").arg(name);
+  return result;
+}
+//! [35]
+
+
+//! [36]
+QScriptEngine engine;
+QScriptValue ctor = engine.newFunction(Person_ctor);
+ctor.property("prototype").setProperty("toString", engine.newFunction(Person_prototype_toString));
+QScriptValue global = engine.globalObject();
+global.setProperty("Person", ctor);
+//! [36]
+
+
+//! [37]
+QScriptValue Employee_ctor(QScriptContext *context, QScriptEngine *engine)
+{
+  QScriptValue super = context->callee().property("prototype").property("constructor");
+  super.call(context->thisObject(), QScriptValueList() << context->argument(0));
+  context->thisObject().setProperty("salary", context->argument(1));
+  return engine->undefinedValue();
+}
+//! [37]
+
+
+//! [38]
+QScriptValue empCtor = engine.newFunction(Employee_ctor);
+empCtor.setProperty("prototype", global.property("Person").construct());
+global.setProperty("Employee", empCtor);
+//! [38]
+
+
+//! [39]
+Q_DECLARE_METATYPE(QPointF)
+Q_DECLARE_METATYPE(QPointF*)
+
+QScriptValue QPointF_prototype_x(QScriptContext *context, QScriptEngine *engine)
+{
+  // Since the point is not to be modified, it's OK to cast to a value here
+    QPointF point = qscriptvalue_cast<QPointF>(context->thisObject());
+    return point.x();
+}
+
+QScriptValue QPointF_prototype_setX(QScriptContext *context, QScriptEngine *engine)
+{
+    // Cast to a pointer to be able to modify the underlying C++ value
+    QPointF *point = qscriptvalue_cast<QPointF*>(context->thisObject());
+    if (!point)
+        return context->throwError(QScriptContext::TypeError, "QPointF.prototype.setX: this object is not a QPointF");
+    point->setX(context->argument(0).toNumber());
+    return engine->undefinedValue();
+}
+//! [39]
+
+
+//! [43]
+class MyObject : public QObject
+{
+    Q_OBJECT
+    ...
+};
+
+Q_DECLARE_METATYPE(MyObject*)
+
+QScriptValue myObjectToScriptValue(QScriptEngine *engine, MyObject* const &in)
+{ return engine->newQObject(in); }
+
+void myObjectFromScriptValue(const QScriptValue &object, MyObject* &out)
+{ out = qobject_cast<MyObject*>(object.toQObject()); }
+
+...
+
+qScriptRegisterMetaType(&engine, myObjectToScriptValue, myObjectFromScriptValue);
+//! [43]
+
+//! [44]
+QScriptValue QPoint_ctor(QScriptContext *context, QScriptEngine *engine)
+{
+    int x = context->argument(0).toInt32();
+    int y = context->argument(1).toInt32();
+    return engine->toScriptValue(QPoint(x, y));
+}
+
+...
+
+engine.globalObject().setProperty("QPoint", engine.newFunction(QPoint_ctor));
+//! [44]
+
+//! [45]
+QScriptValue myPrintFunction(QScriptContext *context, QScriptEngine *engine)
+{
+    QString result;
+    for (int i = 0; i < context->argumentCount(); ++i) {
+        if (i > 0)
+            result.append(" ");
+        result.append(context->argument(i).toString());
+    }
+
+    QScriptValue calleeData = context->callee().data();
+    QPlainTextEdit *edit = qobject_cast<QPlainTextEdit*>(calleeData.toQObject());
+    edit->appendPlainText(result);
+
+    return engine->undefinedValue();
+}
+//! [45]
+
+//! [46]
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    QScriptEngine eng;
+    QPlainTextEdit edit;
+
+    QScriptValue fun = eng.newFunction(myPrintFunction);
+    fun.setData(eng.newQObject(&edit));
+    eng.globalObject().setProperty("print", fun);
+
+    eng.evaluate("print('hello', 'world')");
+
+    edit.show();
+    return app.exec();
+}
+//! [46]
+
+
+//! [47]
+QScriptEngine eng;
+QLineEdit *edit = new QLineEdit(...);
+QScriptValue handler = eng.evaluate("(function(text) { print('text was changed to', text); })");
+qScriptConnect(edit, SIGNAL(textChanged(const QString &)), QScriptValue(), handler);
+//! [47]
+
+//! [48]
+QLineEdit *edit1 = new QLineEdit(...);
+QLineEdit *edit2 = new QLineEdit(...);
+
+QScriptValue handler = eng.evaluate("(function() { print('I am', this.name); })");
+QScriptValue obj1 = eng.newObject();
+obj1.setProperty("name", "the walrus");
+QScriptValue obj2 = eng.newObject();
+obj2.setProperty("name", "Sam");
+
+qScriptConnect(edit1, SIGNAL(returnPressed()), obj1, handler);
+qScriptConnect(edit2, SIGNAL(returnPressed()), obj2, handler);
+//! [48]
+
+//! [52]
+QScriptValue getProperty(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QString name = ctx->argument(0).toString();
+    return ctx->thisObject().property(name);
+}
+//! [52]
+
+//! [53]
+QScriptValue myCompare(QScriptContext *ctx, QScriptEngine *eng)
+{
+    double first = ctx->argument(0).toNumber();
+    double second = ctx->argument(1).toNumber();
+    int result;
+    if (first == second)
+        result = 0;
+    else if (first < second)
+        result = -1;
+    else
+        result = 1;
+    return result;
+}
+//! [53]
+
+//! [54]
+QScriptEngine eng;
+QScriptValue comparefn = eng.newFunction(myCompare);
+QScriptValue array = eng.evaluate("new Array(10, 5, 20, 15, 30)");
+array.property("sort").call(array, QScriptValueList() << comparefn);
+
+// prints "5,10,15,20,30"
+qDebug() << array.toString();
+//! [54]
+
+//! [55]
+QScriptValue rectifier(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QRectF magicRect = qscriptvalue_cast<QRectF>(ctx->callee().data());
+    QRectF sourceRect = qscriptvalue_cast<QRectF>(ctx->argument(0));
+    return eng->toScriptValue(sourceRect.intersected(magicRect));
+}
+
+...
+
+QScriptValue fun = eng.newFunction(rectifier);
+QRectF magicRect = QRectF(10, 20, 30, 40);
+fun.setData(eng.toScriptValue(magicRect));
+eng.globalObject().setProperty("rectifier", fun);
+//! [55]
+
+//! [58]
+QScriptValue add(QScriptContext *ctx, QScriptEngine *eng)
+{
+    double a = ctx->argument(0).toNumber();
+    double b = ctx->argument(1).toNumber();
+    return a + b;
+}
+//! [58]
+
+//! [62]
+QScriptValue add(QScriptContext *ctx, QScriptEngine *eng)
+{
+    if (ctx->argumentCount() != 2)
+        return ctx->throwError("add() takes exactly two arguments");
+    double a = ctx->argument(0).toNumber();
+    double b = ctx->argument(1).toNumber();
+    return a + b;
+}
+//! [62]
+
+//! [63]
+QScriptValue add(QScriptContext *ctx, QScriptEngine *eng)
+{
+    if (ctx->argumentCount() != 2)
+        return ctx->throwError("add() takes exactly two arguments");
+    if (!ctx->argument(0).isNumber())
+        return ctx->throwError(QScriptContext::TypeError, "add(): first argument is not a number");
+    if (!ctx->argument(1).isNumber())
+        return ctx->throwError(QScriptContext::TypeError, "add(): second argument is not a number");
+    double a = ctx->argument(0).toNumber();
+    double b = ctx->argument(1).toNumber();
+    return a + b;
+}
+//! [63]
+
+//! [65]
+QScriptValue concat(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QString result = "";
+    for (int i = 0; i < ctx->argumentCount(); ++i)
+        result += ctx->argument(i).toString();
+    return result;
+}
+//! [65]
+
+//! [67]
+QScriptValue sort(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QScriptValue comparefn = ctx->argument(0);
+    if (comparefn.isUndefined())
+        comparefn = /* the built-in comparison function */;
+    else if (!comparefn.isFunction())
+        return ctx->throwError(QScriptContext::TypeError, "sort(): argument is not a function");
+    ...
+}
+//! [67]
+
+//! [69]
+QScriptValue foo(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QScriptValue bar = eng->globalObject().property("bar");
+    QScriptValue arguments = ctx->argumentsObject();
+    qDebug() << "calling bar() with" << arguments.property("length").toInt32() << "arguments";
+    QScriptValue result = bar.apply(ctx->thisObject(), arguments);
+    qDebug() << "bar() returned" << result.toString();
+    return result;
+}
+//! [69]
+
+//! [72]
+QScriptValue counter(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QScriptValue act = ctx->activationObject();
+    act.setProperty("count", 0);
+    QScriptValue result = eng->newFunction(counter_inner);
+    result.setScope(act);
+    return result;
+}
+//! [72]
+
+//! [73]
+QScriptValue counter_inner(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QScriptValue outerAct = ctx->callee().scope();
+    double count = outerAct.property("count").toNumber();
+    outerAct.setProperty("count", count+1);
+    return count;
+}
+//! [73]
+
+//! [74]
+QScriptValue counter_hybrid(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QScriptValue act = ctx->activationObject();
+    act.setProperty("count", 0);
+    return eng->evaluate("(function() { return count++; })");
+}
+//! [74]
+
+//! [76]
+QScriptValue Person_ctor(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QScriptValue object;
+    if (ctx->isCalledAsConstructor()) {
+        object = ctx->thisObject();
+    } else {
+        object = eng->newObject();
+        object.setPrototype(ctx->callee().property("prototype"));
+    }
+    object.setProperty("name", ctx->argument(0));
+    return object;
+}
+//! [76]
+
+//! [77]
+QScriptContext *ctx = eng.pushContext();
+QScriptValue act = ctx->activationObject();
+act.setProperty("digit", 7);
+
+qDebug() << eng.evaluate("digit + 1").toNumber(); // 8
+
+eng.popContext();
+//! [77]
+
+//! [78]
+QScriptValue getSet(QScriptContext *ctx, QScriptEngine *eng)
+{
+    QScriptValue obj = ctx->thisObject();
+    QScriptValue data = obj.data();
+    if (!data.isValid()) {
+        data = eng->newObject();
+        obj.setData(data);
+    }
+    QScriptValue result;
+    if (ctx->argumentCount() == 1) {
+        QString str = ctx->argument(0).toString();
+        str.replace("Roberta", "Ken");
+        result = str;
+        data.setProperty("x", result);
+    } else {
+        result = data.property("x");
+    }
+    return result;
+}
+//! [78]
+
+//! [79]
+QScriptEngine eng;
+QScriptValue obj = eng.newObject();
+obj.setProperty("x", eng.newFunction(getSet),
+                QScriptValue::PropertyGetter|QScriptValue::PropertySetter);
+//! [79]
+
+//! [91]
+QScriptValue object = engine.evaluate("({ unitName: 'Celsius', toKelvin: function(x) { return x + 273; } })");
+QScriptValue toKelvin = object.property("toKelvin");
+QScriptValue result = toKelvin.call(object, QScriptValueList() << 100);
+qDebug() << result.toNumber(); // 373
+//! [91]
+
+//! [92]
+QScriptValue add = engine.globalObject().property("add");
+qDebug() << add.call(QScriptValue(), QScriptValueList() << 1 << 2).toNumber(); // 3
+//! [92]
+
+//! [93]
+typedef QSharedPointer<QXmlStreamReader> XmlStreamReaderPointer;
+
+Q_DECLARE_METATYPE(XmlStreamReaderPointer)
+
+QScriptValue constructXmlStreamReader(QScriptContext *context, QScriptEngine *engine)
+{
+    if (!context->isCalledAsConstructor())
+        return context->throwError(QScriptContext::SyntaxError, "please use the 'new' operator");
+
+    QIODevice *device = qobject_cast<QIODevice*>(context->argument(0).toQObject());
+    if (!device)
+        return context->throwError(QScriptContext::TypeError, "please supply a QIODevice as first argument");
+
+    // Create the C++ object
+    QXmlStreamReader *reader = new QXmlStreamReader(device);
+
+    XmlStreamReaderPointer pointer(reader);
+
+    // store the shared pointer in the script object that we are constructing
+    return engine->newVariant(context->thisObject(), QVariant::fromValue(pointer));
+}
+//! [93]
+
+//! [94]
+QScriptValue xmlStreamReader_atEnd(QScriptContext *context, QScriptEngine *)
+{
+    XmlStreamReaderPointer reader = qscriptvalue_cast<XmlStreamReaderPointer>(context->thisObject());
+    if (!reader)
+        return context->throwError(QScriptContext::TypeError, "this object is not an XmlStreamReader");
+    return reader->atEnd();
+}
+//! [94]
+
+//! [95]
+    QScriptEngine engine;
+    QScriptValue xmlStreamReaderProto = engine.newObject();
+    xmlStreamReaderProto.setProperty("atEnd", engine.newFunction(xmlStreamReader_atEnd));
+
+    QScriptValue xmlStreamReaderCtor = engine.newFunction(constructXmlStreamReader, xmlStreamReaderProto);
+    engine.globalObject().setProperty("XmlStreamReader", xmlStreamReaderCtor);
+//! [95]