diff options
Diffstat (limited to 'examples/quick/tutorials/extending/chapter3-bindings')
5 files changed, 306 insertions, 0 deletions
diff --git a/examples/quick/tutorials/extending/chapter3-bindings/app.qml b/examples/quick/tutorials/extending/chapter3-bindings/app.qml new file mode 100644 index 0000000000..1267697ee7 --- /dev/null +++ b/examples/quick/tutorials/extending/chapter3-bindings/app.qml @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples 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 Digia Plc 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] +import Charts 1.0 +import QtQuick 2.0 + +Item { + width: 300; height: 200 + + Row { + anchors.centerIn: parent + spacing: 20 + + PieChart { + id: chartA + width: 100; height: 100 + color: "red" + } + + PieChart { + id: chartB + width: 100; height: 100 + color: chartA.color + } + } + + MouseArea { + anchors.fill: parent + onClicked: { chartA.color = "blue" } + } + + Text { + anchors { bottom: parent.bottom; horizontalCenter: parent.horizontalCenter; bottomMargin: 20 } + text: "Click anywhere to change the chart color" + } +} +//![0] diff --git a/examples/quick/tutorials/extending/chapter3-bindings/chapter3-bindings.pro b/examples/quick/tutorials/extending/chapter3-bindings/chapter3-bindings.pro new file mode 100644 index 0000000000..8ed66f8b66 --- /dev/null +++ b/examples/quick/tutorials/extending/chapter3-bindings/chapter3-bindings.pro @@ -0,0 +1,5 @@ +QT += qml quick + +HEADERS += piechart.h +SOURCES += piechart.cpp \ + main.cpp diff --git a/examples/quick/tutorials/extending/chapter3-bindings/main.cpp b/examples/quick/tutorials/extending/chapter3-bindings/main.cpp new file mode 100644 index 0000000000..89c681185b --- /dev/null +++ b/examples/quick/tutorials/extending/chapter3-bindings/main.cpp @@ -0,0 +1,57 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia Plc 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 "piechart.h" +#include <QtQuick/QQuickView> +#include <QGuiApplication> + +int main(int argc, char *argv[]) +{ + QGuiApplication app(argc, argv); + + qmlRegisterType<PieChart>("Charts", 1, 0, "PieChart"); + + QQuickView view; + view.setResizeMode(QQuickView::SizeRootObjectToView); + view.setSource(QUrl::fromLocalFile("app.qml")); + view.show(); + return app.exec(); +} +//![0] diff --git a/examples/quick/tutorials/extending/chapter3-bindings/piechart.cpp b/examples/quick/tutorials/extending/chapter3-bindings/piechart.cpp new file mode 100644 index 0000000000..ca7f0d701f --- /dev/null +++ b/examples/quick/tutorials/extending/chapter3-bindings/piechart.cpp @@ -0,0 +1,86 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia Plc 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "piechart.h" +#include <QPainter> + +PieChart::PieChart(QQuickItem *parent) + : QQuickPaintedItem(parent) +{ +} + +QString PieChart::name() const +{ + return m_name; +} + +void PieChart::setName(const QString &name) +{ + m_name = name; +} + +QColor PieChart::color() const +{ + return m_color; +} + +//![0] +void PieChart::setColor(const QColor &color) +{ + if (color != m_color) { + m_color = color; + update(); // repaint with the new color + emit colorChanged(); + } +} +//![0] + +void PieChart::paint(QPainter *painter) +{ + QPen pen(m_color, 2); + painter->setPen(pen); + painter->setRenderHints(QPainter::HighQualityAntialiasing, true); + painter->drawPie(boundingRect(), 90 * 16, 290 * 16); +} + +void PieChart::clearChart() +{ + setColor(QColor(Qt::transparent)); + update(); +} diff --git a/examples/quick/tutorials/extending/chapter3-bindings/piechart.h b/examples/quick/tutorials/extending/chapter3-bindings/piechart.h new file mode 100644 index 0000000000..216a6012e9 --- /dev/null +++ b/examples/quick/tutorials/extending/chapter3-bindings/piechart.h @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia Plc 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef PIECHART_H +#define PIECHART_H + +#include <QColor> +#include <QtQuick/QQuickPaintedItem> + +//![0] +class PieChart : public QQuickPaintedItem +{ +//![0] + Q_OBJECT + Q_PROPERTY(QString name READ name WRITE setName) + +//![1] + Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged) +public: +//![1] + + PieChart(QQuickItem *parent = 0); + + QString name() const; + void setName(const QString &name); + + QColor color() const; + void setColor(const QColor &color); + + void paint(QPainter *painter); + + Q_INVOKABLE void clearChart(); + +//![2] +signals: + void colorChanged(); +//![2] + +private: + QString m_name; + QColor m_color; + +//![3] +}; +//![3] + +#endif + |