Long live Qt!

4 files changed, 537 insertions, 0 deletions

diff --git a/examples/phonon/musicplayer/main.cpp b/examples/phonon/musicplayer/main.cpp
new file mode 100644
index 0000000..4a614c8
--- /dev/null
+++ b/examples/phonon/musicplayer/main.cpp
@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <QtGui>
+
+#include "mainwindow.h"
+
+//![1]
+int main(int argv, char **args)
+{
+    QApplication app(argv, args);
+    app.setApplicationName("Music Player");
+    app.setQuitOnLastWindowClosed(true);
+
+    MainWindow window;
+    window.show();
+
+    return app.exec(); 
+}
+//![1]
diff --git a/examples/phonon/musicplayer/mainwindow.cpp b/examples/phonon/musicplayer/mainwindow.cpp
new file mode 100644
index 0000000..f50a2bd
--- /dev/null
+++ b/examples/phonon/musicplayer/mainwindow.cpp
@@ -0,0 +1,352 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+***************************************************************************/
+
+#include <QtGui>
+
+#include "mainwindow.h"
+
+//![0]
+MainWindow::MainWindow()
+{
+    audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
+    mediaObject = new Phonon::MediaObject(this);
+    metaInformationResolver = new Phonon::MediaObject(this);
+
+    mediaObject->setTickInterval(1000);
+//![0]
+//![2]
+    connect(mediaObject, SIGNAL(tick(qint64)), this, SLOT(tick(qint64)));
+    connect(mediaObject, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
+            this, SLOT(stateChanged(Phonon::State, Phonon::State)));
+    connect(metaInformationResolver, SIGNAL(stateChanged(Phonon::State,Phonon::State)),
+            this, SLOT(metaStateChanged(Phonon::State, Phonon::State)));
+    connect(mediaObject, SIGNAL(currentSourceChanged(const Phonon::MediaSource &)),
+            this, SLOT(sourceChanged(const Phonon::MediaSource &)));
+    connect(mediaObject, SIGNAL(aboutToFinish()), this, SLOT(aboutToFinish()));
+//![2]
+
+//![1]
+    Phonon::createPath(mediaObject, audioOutput);
+//![1]
+
+    setupActions();
+    setupMenus();
+    setupUi();
+    timeLcd->display("00:00"); 
+}
+
+//![6]
+void MainWindow::addFiles()
+{
+    QStringList files = QFileDialog::getOpenFileNames(this, tr("Select Music Files"), 
+        QDesktopServices::storageLocation(QDesktopServices::MusicLocation));
+
+    if (files.isEmpty())
+        return;
+
+    int index = sources.size();
+    foreach (QString string, files) {
+            Phonon::MediaSource source(string);
+        
+        sources.append(source);
+    } 
+    if (!sources.isEmpty())
+        metaInformationResolver->setCurrentSource(sources.at(index));
+
+}
+//![6]
+
+void MainWindow::about()
+{
+    QMessageBox::information(this, tr("About Music Player"),
+        tr("The Music Player example shows how to use Phonon - the multimedia"
+           " framework that comes with Qt - to create a simple music player."));
+}
+
+//![9]
+void MainWindow::stateChanged(Phonon::State newState, Phonon::State /* oldState */)
+{
+    switch (newState) {
+        case Phonon::ErrorState:
+            if (mediaObject->errorType() == Phonon::FatalError) {
+                QMessageBox::warning(this, tr("Fatal Error"),
+                mediaObject->errorString());
+            } else {
+                QMessageBox::warning(this, tr("Error"),
+                mediaObject->errorString());
+            }
+            break;
+//![9]
+//![10]
+        case Phonon::PlayingState:
+                playAction->setEnabled(false);
+                pauseAction->setEnabled(true);
+                stopAction->setEnabled(true);
+                break;
+        case Phonon::StoppedState:
+                stopAction->setEnabled(false);
+                playAction->setEnabled(true);
+                pauseAction->setEnabled(false);
+                timeLcd->display("00:00");
+                break;
+        case Phonon::PausedState:
+                pauseAction->setEnabled(false);
+                stopAction->setEnabled(true);
+                playAction->setEnabled(true);
+                break;
+//![10]
+        case Phonon::BufferingState:
+                break;
+        default:
+            ;
+    }
+}
+
+//![11]
+void MainWindow::tick(qint64 time)
+{
+    QTime displayTime(0, (time / 60000) % 60, (time / 1000) % 60);
+
+    timeLcd->display(displayTime.toString("mm:ss"));
+}
+//![11]
+
+//![12]
+void MainWindow::tableClicked(int row, int /* column */)
+{
+    bool wasPlaying = mediaObject->state() == Phonon::PlayingState;
+
+    mediaObject->stop();
+    mediaObject->clearQueue();
+
+    mediaObject->setCurrentSource(sources[row]);
+
+    if (wasPlaying) 
+        mediaObject->play();
+    else
+        mediaObject->stop();
+}
+//![12]
+
+//![13]
+void MainWindow::sourceChanged(const Phonon::MediaSource &source)
+{
+    musicTable->selectRow(sources.indexOf(source));
+    timeLcd->display("00:00");
+}
+//![13]
+
+//![14]
+void MainWindow::metaStateChanged(Phonon::State newState, Phonon::State /* oldState */)
+{
+    if (newState == Phonon::ErrorState) {
+        QMessageBox::warning(this, tr("Error opening files"),
+            metaInformationResolver->errorString());
+        while (!sources.isEmpty() &&
+               !(sources.takeLast() == metaInformationResolver->currentSource()));
+        return;
+    }
+
+    if (newState != Phonon::StoppedState && newState != Phonon::PausedState)
+        return;
+
+    if (metaInformationResolver->currentSource().type() == Phonon::MediaSource::Invalid)
+            return;
+
+    QMap<QString, QString> metaData = metaInformationResolver->metaData();
+
+    QString title = metaData.value("TITLE");
+    if (title == "")
+        title = metaInformationResolver->currentSource().fileName();
+
+    QTableWidgetItem *titleItem = new QTableWidgetItem(title);
+    titleItem->setFlags(titleItem->flags() ^ Qt::ItemIsEditable);
+    QTableWidgetItem *artistItem = new QTableWidgetItem(metaData.value("ARTIST"));
+    artistItem->setFlags(artistItem->flags() ^ Qt::ItemIsEditable);
+    QTableWidgetItem *albumItem = new QTableWidgetItem(metaData.value("ALBUM"));
+    albumItem->setFlags(albumItem->flags() ^ Qt::ItemIsEditable);
+    QTableWidgetItem *yearItem = new QTableWidgetItem(metaData.value("DATE"));
+    yearItem->setFlags(yearItem->flags() ^ Qt::ItemIsEditable);
+//![14]
+
+    int currentRow = musicTable->rowCount();
+    musicTable->insertRow(currentRow);
+    musicTable->setItem(currentRow, 0, titleItem);
+    musicTable->setItem(currentRow, 1, artistItem);
+    musicTable->setItem(currentRow, 2, albumItem);
+    musicTable->setItem(currentRow, 3, yearItem);
+
+//![15]
+    if (musicTable->selectedItems().isEmpty()) {
+        musicTable->selectRow(0);
+        mediaObject->setCurrentSource(metaInformationResolver->currentSource());
+    }
+
+    Phonon::MediaSource source = metaInformationResolver->currentSource();
+    int index = sources.indexOf(metaInformationResolver->currentSource()) + 1;
+    if (sources.size() > index) {
+        metaInformationResolver->setCurrentSource(sources.at(index));
+    }
+    else {
+        musicTable->resizeColumnsToContents();
+        if (musicTable->columnWidth(0) > 300)
+            musicTable->setColumnWidth(0, 300);
+    }
+}
+//![15]
+
+//![16]
+void MainWindow::aboutToFinish()
+{
+    int index = sources.indexOf(mediaObject->currentSource()) + 1;
+    if (sources.size() > index) {
+        mediaObject->enqueue(sources.at(index));
+    }
+}
+//![16]
+
+void MainWindow::setupActions()
+{
+    playAction = new QAction(style()->standardIcon(QStyle::SP_MediaPlay), tr("Play"), this);
+    playAction->setShortcut(tr("Crl+P"));
+    playAction->setDisabled(true);
+    pauseAction = new QAction(style()->standardIcon(QStyle::SP_MediaPause), tr("Pause"), this);
+    pauseAction->setShortcut(tr("Ctrl+A"));
+    pauseAction->setDisabled(true);
+    stopAction = new QAction(style()->standardIcon(QStyle::SP_MediaStop), tr("Stop"), this);
+    stopAction->setShortcut(tr("Ctrl+S"));
+    stopAction->setDisabled(true);
+    nextAction = new QAction(style()->standardIcon(QStyle::SP_MediaSkipForward), tr("Next"), this);
+    nextAction->setShortcut(tr("Ctrl+N"));
+    previousAction = new QAction(style()->standardIcon(QStyle::SP_MediaSkipBackward), tr("Previous"), this);
+    previousAction->setShortcut(tr("Ctrl+R"));
+    addFilesAction = new QAction(tr("Add &Files"), this);
+    addFilesAction->setShortcut(tr("Ctrl+F"));
+    exitAction = new QAction(tr("E&xit"), this);
+    exitAction->setShortcut(tr("Ctrl+X"));
+    aboutAction = new QAction(tr("A&bout"), this);
+    aboutAction->setShortcut(tr("Ctrl+B"));
+    aboutQtAction = new QAction(tr("About &Qt"), this);
+    aboutQtAction->setShortcut(tr("Ctrl+Q"));
+
+//![5]
+    connect(playAction, SIGNAL(triggered()), mediaObject, SLOT(play()));
+    connect(pauseAction, SIGNAL(triggered()), mediaObject, SLOT(pause()) );
+    connect(stopAction, SIGNAL(triggered()), mediaObject, SLOT(stop()));
+//![5]
+    connect(addFilesAction, SIGNAL(triggered()), this, SLOT(addFiles()));
+    connect(exitAction, SIGNAL(triggered()), this, SLOT(close()));
+    connect(aboutAction, SIGNAL(triggered()), this, SLOT(about()));
+    connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
+}
+
+void MainWindow::setupMenus()
+{
+    QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
+    fileMenu->addAction(addFilesAction);
+    fileMenu->addSeparator();
+    fileMenu->addAction(exitAction);
+
+    QMenu *aboutMenu = menuBar()->addMenu(tr("&Help"));
+    aboutMenu->addAction(aboutAction);
+    aboutMenu->addAction(aboutQtAction);
+}
+
+//![3]
+void MainWindow::setupUi()
+{
+//![3]
+    QToolBar *bar = new QToolBar;
+
+    bar->addAction(playAction);
+    bar->addAction(pauseAction);
+    bar->addAction(stopAction);
+    
+//![4]
+    seekSlider = new Phonon::SeekSlider(this);
+    seekSlider->setMediaObject(mediaObject);
+
+    volumeSlider = new Phonon::VolumeSlider(this);
+    volumeSlider->setAudioOutput(audioOutput);
+//![4]
+    volumeSlider->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
+
+    QLabel *volumeLabel = new QLabel;
+    volumeLabel->setPixmap(QPixmap("images/volume.png"));
+
+    QPalette palette;
+    palette.setBrush(QPalette::Light, Qt::darkGray);
+
+    timeLcd = new QLCDNumber;
+    timeLcd->setPalette(palette);
+
+    QStringList headers;
+    headers << tr("Title") << tr("Artist") << tr("Album") << tr("Year");
+
+    musicTable = new QTableWidget(0, 4);
+    musicTable->setHorizontalHeaderLabels(headers);
+    musicTable->setSelectionMode(QAbstractItemView::SingleSelection);
+    musicTable->setSelectionBehavior(QAbstractItemView::SelectRows);
+    connect(musicTable, SIGNAL(cellPressed(int, int)),
+            this, SLOT(tableClicked(int, int)));
+
+    QHBoxLayout *seekerLayout = new QHBoxLayout;
+    seekerLayout->addWidget(seekSlider);
+    seekerLayout->addWidget(timeLcd);
+
+    QHBoxLayout *playbackLayout = new QHBoxLayout;
+    playbackLayout->addWidget(bar);
+    playbackLayout->addStretch();
+    playbackLayout->addWidget(volumeLabel);
+    playbackLayout->addWidget(volumeSlider);
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->addWidget(musicTable);
+    mainLayout->addLayout(seekerLayout);
+    mainLayout->addLayout(playbackLayout);
+
+    QWidget *widget = new QWidget;
+    widget->setLayout(mainLayout);
+
+    setCentralWidget(widget);
+    setWindowTitle("Phonon Music Player");
+}
+
diff --git a/examples/phonon/musicplayer/mainwindow.h b/examples/phonon/musicplayer/mainwindow.h
new file mode 100644
index 0000000..2d4e297
--- /dev/null
+++ b/examples/phonon/musicplayer/mainwindow.h
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <Phonon/AudioOutput>
+#include <Phonon/SeekSlider>
+#include <Phonon/MediaObject>
+#include <Phonon/VolumeSlider>
+#include <Phonon/BackendCapabilities>
+#include <QList>
+
+QT_BEGIN_NAMESPACE
+class QAction;
+class QTableWidget;
+class QLCDNumber;
+QT_END_NAMESPACE
+
+//![0]
+
+class MainWindow : public QMainWindow
+{
+//![0]
+    Q_OBJECT
+
+public:
+    MainWindow();
+
+    QSize sizeHint() const {
+        return QSize(500, 300);
+    }
+
+private slots:
+    void addFiles();
+    void about();
+//![1]
+    void stateChanged(Phonon::State newState, Phonon::State oldState);
+    void tick(qint64 time);
+    void sourceChanged(const Phonon::MediaSource &source);
+    void metaStateChanged(Phonon::State newState, Phonon::State oldState);
+    void aboutToFinish();
+    void tableClicked(int row, int column);
+//![1]
+
+private:
+    void setupActions();
+    void setupMenus();
+    void setupUi();    
+
+//![2]
+    Phonon::SeekSlider *seekSlider;
+    Phonon::MediaObject *mediaObject;
+    Phonon::MediaObject *metaInformationResolver;
+    Phonon::AudioOutput *audioOutput;
+    Phonon::VolumeSlider *volumeSlider;
+    QList<Phonon::MediaSource> sources;
+//![2]
+
+    QAction *playAction;
+    QAction *pauseAction;
+    QAction *stopAction;
+    QAction *nextAction;
+    QAction *previousAction;
+    QAction *addFilesAction;
+    QAction *exitAction;
+    QAction *aboutAction;
+    QAction *aboutQtAction;
+    QLCDNumber *timeLcd;
+    QTableWidget *musicTable;
+};
+
+#endif
diff --git a/examples/phonon/musicplayer/musicplayer.pro b/examples/phonon/musicplayer/musicplayer.pro
new file mode 100644
index 0000000..0a93dc2
--- /dev/null
+++ b/examples/phonon/musicplayer/musicplayer.pro
@@ -0,0 +1,16 @@
+QT        += phonon
+
+HEADERS   += mainwindow.h
+SOURCES   += main.cpp \
+             mainwindow.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/phonon/musicplayer
+sources.files = $$SOURCES $$HEADERS $$FORMS $$RESOURCES *.pro *.png images
+sources.path = $$[QT_INSTALL_EXAMPLES]/phonon/musicplayer
+INSTALLS += target sources
+
+wince*{
+DEPLOYMENT_PLUGIN += phonon_ds9 phonon_waveout
+}
+