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Diffstat (limited to 'examples/activeqt/mediaplayer/main.cpp')
| -rw-r--r-- | examples/activeqt/mediaplayer/main.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/examples/activeqt/mediaplayer/main.cpp b/examples/activeqt/mediaplayer/main.cpp new file mode 100644 index 0000000..921279b --- /dev/null +++ b/examples/activeqt/mediaplayer/main.cpp @@ -0,0 +1,183 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** 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 The Qt Company Ltd 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 <QApplication> +#include <QMessageBox> +#include <QMainWindow> +#include <QDesktopWidget> +#include <QVariant> +#include <QSettings> +#include <QFileDialog> +#include <QCommandLineParser> + +#include "ui_mainwindow.h" + +static const char geometryKey[] = "Geometry"; + +class MainWindow : public QMainWindow +{ + Q_OBJECT +public: + MainWindow(); + ~MainWindow(); + void openMedia(const QString &mediaUrl); + +public slots: + void on_mediaPlayer_PlayStateChange(int newState); + void on_actionOpen_triggered(); + void on_actionExit_triggered(); + void on_actionAbout_triggered(); + void on_actionAboutQt_triggered(); + +private: + void updateWindowTitle(const QString &state); + Ui::MainWindow m_ui; +}; + +MainWindow::MainWindow() +{ + m_ui.setupUi(this); + + QSettings settings(QSettings::IniFormat, QSettings::UserScope, + QCoreApplication::organizationName(), QCoreApplication::applicationName()); + + const QByteArray restoredGeometry = settings.value(QLatin1String(geometryKey)).toByteArray(); + if (restoredGeometry.isEmpty() || !restoreGeometry(restoredGeometry)) { + const QRect availableGeometry = QApplication::desktop()->availableGeometry(this); + const QSize size = (availableGeometry.size() * 4) / 5; + resize(size); + move(availableGeometry.center() - QPoint(size.width(), size.height()) / 2); + } + + m_ui.mediaPlayer->dynamicCall("enableContextMenu", false); + m_ui.mediaPlayer->dynamicCall("stretchToFit", true); + updateWindowTitle(""); +} + +MainWindow::~MainWindow() +{ + QSettings settings(QSettings::IniFormat, QSettings::UserScope, + QCoreApplication::organizationName(), QCoreApplication::applicationName()); + settings.setValue(QLatin1String(geometryKey), saveGeometry()); +} + +void MainWindow::on_mediaPlayer_PlayStateChange(int newState) +{ + static const QHash<int, const char *> stateMapping { + {1, "Stopped"}, + {2, "Paused"}, + {3, "Playing"}, + {4, "Scanning Forwards"}, + {5, "Scanning Backwards"}, + {6, "Buffering"}, + {7, "Waiting"}, + {8, "Media Ended"}, + {9, "Transitioning"}, + {10, "Ready"}, + {11, "Reconnecting"}, + }; + const char *stateStr = stateMapping.value(newState, ""); + updateWindowTitle(tr(stateStr)); +} + +void MainWindow::on_actionOpen_triggered() +{ + QFileDialog fileDialog(this, tr("Open File")); + fileDialog.setAcceptMode(QFileDialog::AcceptOpen); + fileDialog.setFileMode(QFileDialog::ExistingFile); + fileDialog.setMimeTypeFilters({ "application/octet-stream", "video/x-msvideo", "video/mp4", "audio/mpeg", "audio/mp4" }); + if (fileDialog.exec() == QDialog::Accepted) + openMedia(fileDialog.selectedFiles().first()); +} + +void MainWindow::on_actionExit_triggered() +{ + QCoreApplication::quit(); +} + +void MainWindow::on_actionAbout_triggered() +{ + QMessageBox::about(this, tr("About Media Player"), + tr("This Example has been created using the ActiveQt integration into Qt Designer.\n" + "It demonstrates the use of QAxWidget to embed the Windows Media Player ActiveX\n" + "control into a Qt application.")); +} + +void MainWindow::on_actionAboutQt_triggered() +{ + QMessageBox::aboutQt(this, tr("About Qt")); +} + +void MainWindow::openMedia(const QString &mediaUrl) +{ + if (!mediaUrl.isEmpty()) + m_ui.mediaPlayer->dynamicCall("URL", mediaUrl); +} + +void MainWindow::updateWindowTitle(const QString &state) +{ + QString appName = QCoreApplication::applicationName(); + QString title = state.isEmpty() ? appName : + QString("%1 (%2)").arg(appName, state); + setWindowTitle(title); +} + +#include "main.moc" + +int main(int argc, char *argv[]) +{ + QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); + QApplication app(argc, argv); + QCoreApplication::setApplicationVersion(QT_VERSION_STR); + QCoreApplication::setApplicationName(QLatin1String("Active Qt Media Player")); + QCoreApplication::setOrganizationName(QLatin1String("QtProject")); + + MainWindow w; + QCommandLineParser parser; + parser.setApplicationDescription(QCoreApplication::applicationName()); + parser.addHelpOption(); + parser.addVersionOption(); + parser.addPositionalArgument("file", "The media file to open."); + parser.process(app); + if (!parser.positionalArguments().isEmpty()) + w.openMedia(parser.positionalArguments().constFirst()); + w.show(); + return app.exec(); +} |