diff options
author | Jerome Pasion <jerome.pasion@digia.com> | 2013-08-08 17:42:48 +0200 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-08-09 12:46:05 +0200 |
commit | fc665d512736e1249480a835e26410a92939e535 (patch) | |
tree | 89bfa6eaf3a86382add3c27c20a5ade414d1c950 /examples/qml/qmlextensionplugins/plugin.cpp | |
parent | 84a4d5d9fe57af1091c4c36eabf8a674d7140bac (diff) |
Doc: Moved QML "plugins" example to "qmlextensionplugins"
The example generates a plugins.html which collides with the
plugins.html from qtbase repository.
Task-number: QTBUG-32580
Change-Id: I47ce9e00378738f7696672e6e47dd3337bb4fafc
Reviewed-by: Martin Smith <martin.smith@digia.com>
Reviewed-by: Topi Reiniƶ <topi.reinio@digia.com>
Diffstat (limited to 'examples/qml/qmlextensionplugins/plugin.cpp')
-rw-r--r-- | examples/qml/qmlextensionplugins/plugin.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/examples/qml/qmlextensionplugins/plugin.cpp b/examples/qml/qmlextensionplugins/plugin.cpp new file mode 100644 index 0000000000..a125138dd0 --- /dev/null +++ b/examples/qml/qmlextensionplugins/plugin.cpp @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** Copyright (C) 2013 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtQml/QQmlExtensionPlugin> +#include <QtQml/qqml.h> +#include <qdebug.h> +#include <qdatetime.h> +#include <qbasictimer.h> +#include <qcoreapplication.h> + +// Implements a "TimeModel" class with hour and minute properties +// that change on-the-minute yet efficiently sleep the rest +// of the time. + +class MinuteTimer : public QObject +{ + Q_OBJECT +public: + MinuteTimer(QObject *parent) : QObject(parent) + { + } + + void start() + { + if (!timer.isActive()) { + time = QTime::currentTime(); + timer.start(60000-time.second()*1000, this); + } + } + + void stop() + { + timer.stop(); + } + + int hour() const { return time.hour(); } + int minute() const { return time.minute(); } + +signals: + void timeChanged(); + +protected: + void timerEvent(QTimerEvent *) + { + QTime now = QTime::currentTime(); + if (now.second() == 59 && now.minute() == time.minute() && now.hour() == time.hour()) { + // just missed time tick over, force it, wait extra 0.5 seconds + time.addSecs(60); + timer.start(60500, this); + } else { + time = now; + timer.start(60000-time.second()*1000, this); + } + emit timeChanged(); + } + +private: + QTime time; + QBasicTimer timer; +}; + +//![0] +class TimeModel : public QObject +{ + Q_OBJECT + Q_PROPERTY(int hour READ hour NOTIFY timeChanged) + Q_PROPERTY(int minute READ minute NOTIFY timeChanged) +//![0] + +public: + TimeModel(QObject *parent=0) : QObject(parent) + { + if (++instances == 1) { + if (!timer) + timer = new MinuteTimer(QCoreApplication::instance()); + connect(timer, SIGNAL(timeChanged()), this, SIGNAL(timeChanged())); + timer->start(); + } + } + + ~TimeModel() + { + if (--instances == 0) { + timer->stop(); + } + } + + int minute() const { return timer->minute(); } + int hour() const { return timer->hour(); } + +signals: + void timeChanged(); + +private: + QTime t; + static MinuteTimer *timer; + static int instances; +}; + +int TimeModel::instances=0; +MinuteTimer *TimeModel::timer=0; + +//![plugin] +class QExampleQmlPlugin : public QQmlExtensionPlugin +{ + Q_OBJECT + Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QQmlExtensionInterface") + +public: + void registerTypes(const char *uri) + { + Q_ASSERT(uri == QLatin1String("TimeExample")); + qmlRegisterType<TimeModel>(uri, 1, 0, "Time"); + } +}; +//![plugin] + +#include "plugin.moc" |