diff options
Diffstat (limited to 'examples/declarative/tutorials/extending/chapter3-bindings')
5 files changed, 254 insertions, 0 deletions
diff --git a/examples/declarative/tutorials/extending/chapter3-bindings/app.qml b/examples/declarative/tutorials/extending/chapter3-bindings/app.qml new file mode 100644 index 0000000..0460b0b --- /dev/null +++ b/examples/declarative/tutorials/extending/chapter3-bindings/app.qml @@ -0,0 +1,31 @@ +import Music 1.0 +import Qt 4.7 + +Rectangle { + width: 200; height: 200 + + Musician { + id: reddy + name: "Reddy the Rocker" + instrument: "Guitar" + } + + Musician { + id: craig + name: "Craig the Copycat" + instrument: reddy.instrument + } + + MouseArea { + anchors.fill: parent + onClicked: { + reddy.perform() + craig.perform() + + reddy.instrument = "Drums" + + reddy.perform() + craig.perform() + } + } +} diff --git a/examples/declarative/tutorials/extending/chapter3-bindings/chapter3-bindings.pro b/examples/declarative/tutorials/extending/chapter3-bindings/chapter3-bindings.pro new file mode 100644 index 0000000..bd05ebe --- /dev/null +++ b/examples/declarative/tutorials/extending/chapter3-bindings/chapter3-bindings.pro @@ -0,0 +1,5 @@ +QT += declarative + +HEADERS += musician.h +SOURCES += musician.cpp \ + main.cpp diff --git a/examples/declarative/tutorials/extending/chapter3-bindings/main.cpp b/examples/declarative/tutorials/extending/chapter3-bindings/main.cpp new file mode 100644 index 0000000..0e71bb0 --- /dev/null +++ b/examples/declarative/tutorials/extending/chapter3-bindings/main.cpp @@ -0,0 +1,58 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +//![0] +#include "musician.h" +#include <qdeclarative.h> +#include <QDeclarativeView> +#include <QApplication> + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + qmlRegisterType<Musician>("Music", 1, 0, "Musician"); + + QDeclarativeView view; + view.setSource(QUrl::fromLocalFile("app.qml")); + view.show(); + return app.exec(); +} +//![0] diff --git a/examples/declarative/tutorials/extending/chapter3-bindings/musician.cpp b/examples/declarative/tutorials/extending/chapter3-bindings/musician.cpp new file mode 100644 index 0000000..eb615f6 --- /dev/null +++ b/examples/declarative/tutorials/extending/chapter3-bindings/musician.cpp @@ -0,0 +1,77 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "musician.h" +#include <QDebug> + +Musician::Musician(QObject *parent) + : QObject(parent) +{ +} + +QString Musician::name() const +{ + return m_name; +} + +void Musician::setName(const QString &name) +{ + m_name = name; +} + +QString Musician::instrument() const +{ + return m_instrument; +} + +//![0] +void Musician::setInstrument(const QString &instrument) +{ + if (instrument != m_instrument) { + m_instrument = instrument; + emit instrumentChanged(); + } +} +//![0] + +void Musician::perform() +{ + qWarning() << m_name << "is playing the" << m_instrument; +} diff --git a/examples/declarative/tutorials/extending/chapter3-bindings/musician.h b/examples/declarative/tutorials/extending/chapter3-bindings/musician.h new file mode 100644 index 0000000..39887be --- /dev/null +++ b/examples/declarative/tutorials/extending/chapter3-bindings/musician.h @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef MUSICIAN_H +#define MUSICIAN_H + +#include <QObject> + +//![0] +class Musician : public QObject +{ +//![0] + Q_OBJECT + Q_PROPERTY(QString name READ name WRITE setName) + Q_PROPERTY(QString instrument READ instrument WRITE setInstrument) + +//![1] + Q_PROPERTY(QString instrument READ instrument WRITE setInstrument NOTIFY instrumentChanged) +public: +//![1] + + Musician(QObject *parent = 0); + + QString name() const; + void setName(const QString &name); + + QString instrument() const; + void setInstrument(const QString &instrument); + + Q_INVOKABLE void perform(); + +//![2] +signals: + void instrumentChanged(); +//![2] + +private: + QString m_name; + QString m_instrument; + +//![3] +}; +//![3] + +#endif + |