//![0]
MainWindow::MainWindow ( QWidget * parent ) {
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");
}
void TouchKeyboard::clearMetaState(void)
{
_metaKeyBits._shift = false;
_metaKeyBits._ctrl = false;
_metaKeyBits._alt = false;
metaStateChanged();
}
int Playengine::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: volume((*reinterpret_cast< int(*)>(_a[1]))); break;
case 1: statusChanged((*reinterpret_cast< Playengine::STATUS(*)>(_a[1]))); break;
case 2: buffering((*reinterpret_cast< int(*)>(_a[1]))); break;
case 3: tick((*reinterpret_cast< int(*)>(_a[1])),(*reinterpret_cast< int(*)>(_a[2]))); break;
case 4: togglePause(); break;
case 5: play((*reinterpret_cast< const QUrl(*)>(_a[1]))); break;
case 6: stop(); break;
case 7: setVolume((*reinterpret_cast< int(*)>(_a[1]))); break;
case 8: stateChanged((*reinterpret_cast< Phonon::State(*)>(_a[1])),(*reinterpret_cast< Phonon::State(*)>(_a[2]))); break;
case 9: tickslot((*reinterpret_cast< qint64(*)>(_a[1]))); break;
case 10: sourceChanged((*reinterpret_cast< const Phonon::MediaSource(*)>(_a[1]))); break;
case 11: metaStateChanged((*reinterpret_cast< Phonon::State(*)>(_a[1])),(*reinterpret_cast< Phonon::State(*)>(_a[2]))); break;
case 12: aboutToFinish(); break;
case 13: bufferPercent((*reinterpret_cast< int(*)>(_a[1]))); break;
case 14: volumeChanged((*reinterpret_cast< qreal(*)>(_a[1]))); break;
default: ;
}
_id -= 15;
}
return _id;
}
MadaoWindow::MadaoWindow()
{
audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
mediaObject = new Phonon::MediaObject(this);
musicGetter = new Phonon::MediaObject(this);
connect(mediaObject, SIGNAL(aboutToFinish()),
this, SLOT(autoNext()));
connect(musicGetter, SIGNAL(stateChanged(Phonon::State,Phonon::State)),
this, SLOT(metaStateChanged(Phonon::State,Phonon::State)));
connect(mediaObject, SIGNAL(stateChanged(Phonon::State,Phonon::State)),
this, SLOT(stateChanged(Phonon::State,Phonon::State)));
connect(mediaObject, SIGNAL(currentSourceChanged(Phonon::MediaSource)),
this, SLOT(sourceChanged(Phonon::MediaSource)));
Phonon::createPath(mediaObject, audioOutput);
setAllActions();
setGui();
resize(720,480);
setMinimumSize(720,480);
playing = false;
set = false;
currentSong = 0;
songsNumber = 0;
addToTable = 0;
lastRow = 0;
QIcon icon("Data/taizo_hasegawa_2564.jpg");
setWindowIcon(icon);
}
int MusicPlayer::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: updateTime((*reinterpret_cast< qint64(*)>(_a[1]))); break;
case 1: playOrpause(); break;
case 2: openFile(); break;
case 3: setMod(); break;
case 4: previousSong(); break;
case 5: nextSong(); break;
case 6: whatiLike(); break;
case 7: showLrc(); break;
case 8: setPlayer(); break;
case 9: showPlayList(); break;
case 10: metaStateChanged((*reinterpret_cast< Phonon::State(*)>(_a[1])),(*reinterpret_cast< Phonon::State(*)>(_a[2]))); break;
case 11: tableWidgetClicked((*reinterpret_cast< int(*)>(_a[1]))); break;
case 12: aboutToFinish(); break;
case 13: clearSources(); break;
case 14: saveAndQuit(); break;
case 15: trayIconActivated((*reinterpret_cast< QSystemTrayIcon::ActivationReason(*)>(_a[1]))); break;
default: ;
}
_id -= 16;
}
return _id;
}
void Widget::CreateMusicPlayer()
{
MainLayout = new QGridLayout;
//创建播放音乐器
mediaObject = new Phonon::MediaObject(this);
Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
Phonon::createPath(mediaObject, audioOutput);
//创建控制播放进度的滑块
seekSlider = new Phonon::SeekSlider(mediaObject, this);
//音量控制部件
volumeSlider = new Phonon::VolumeSlider(audioOutput, this);
volumeSlider->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
//单击获取选中的歌曲行号
connect(PlayList,SIGNAL(cellClicked(int,int)),this,SLOT(ChangRow(int)));
//若双击了播放列表里的歌曲就播放该歌曲
connect(PlayList, SIGNAL(cellDoubleClicked(int,int)), this, SLOT(tableClicked(int)));
//创建用来解析媒体的信息的元信息解析器
metaInformationResolver = new Phonon::MediaObject(this);
//需要与AudioOutput；连接后才能使用metaInformationResolver
Phonon::AudioOutput *metaInformationAudioPutput =
new Phonon::AudioOutput(Phonon::MusicCategory,this);
Phonon::createPath(metaInformationResolver,metaInformationAudioPutput);
//歌曲改变后把状态传给metaStateChanged函数
connect(metaInformationResolver, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
this, SLOT(metaStateChanged(Phonon::State)));
//歌曲播放源发生改变时传给SourceChanged函数
connect(mediaObject,SIGNAL(currentSourceChanged(Phonon::MediaSource)),this,
SLOT(SourceChanged(Phonon::MediaSource)));
//当歌曲播放完后传给aboutTofinish函数播放下一首歌
connect(mediaObject,SIGNAL(aboutToFinish()),this,SLOT(aboutToFinish()));
//获取下一首歌曲的名字
connect(mediaObject,SIGNAL(tick(qint64)),this,SLOT(GetNextMusicName()));
//关联媒体对象的tick()信号来更新播放时间的显示
mediaObject->setTickInterval(1000);//设置信号发射时间间隔
//媒体对象mediaObject后在指定的时间间隔发射tick信号，信号的值是音乐当时播放的时间
connect(mediaObject, SIGNAL(tick(qint64)), this, SLOT(updateTime(qint64)));
//获取歌曲播放的状态用来改变歌曲名字
connect(mediaObject,SIGNAL(stateChanged(Phonon::State,Phonon::State)),
this,SLOT(GetMusicName(Phonon::State)));
//控制界面布局
MainLayout->addWidget(TitleLabel,0,0);
MainLayout->addWidget(seekSlider,1,0,1,2);
MainLayout->addLayout(LabelLayout,2,0,1,2);
MainLayout->addLayout(ButtonLayout,3,0);
MainLayout->addWidget(volumeSlider,3,1);
MainLayout->setSizeConstraint(QLayout::SetFixedSize);//用户无法改变窗口的大小，保持窗口相对固定
//总体布局
Layout = new QVBoxLayout(this);
Layout->addLayout(MainLayout);
Layout->addWidget(PlayList);
}
void TouchKeyboard::toggleMetaKeyState(MetaKeys metaKeys)
{
if (metaKeys & mkShift)
_metaKeyBits._shift = !_metaKeyBits._shift;
if (metaKeys & mkCtrl)
_metaKeyBits._ctrl = !_metaKeyBits._ctrl;
if (metaKeys & mkAlt)
_metaKeyBits._alt = !_metaKeyBits._alt;
if (metaKeys & mkCaps)
_metaKeyBits._caps = !_metaKeyBits._caps;
metaStateChanged();
}
disqteca::disqteca(QWidget *parent) : QMainWindow(parent), ui(new Ui::disqteca) {
audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
videoPlayer = new Phonon::VideoPlayer(Phonon::VideoCategory, this);
videoWidget = new Phonon::VideoWidget();
videoWidget->setGeometry(0, 0, 1920, 1080);
videoWidget->setMinimumWidth(320);
videoWidget->setMinimumHeight(240);
mediaObject = new Phonon::MediaObject(this);
metaInformationResolver = new Phonon::MediaObject(this);
mediaObject->setTickInterval(1000);
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(Phonon::MediaSource)),
this, SLOT(sourceChanged(Phonon::MediaSource)));
connect(mediaObject, SIGNAL(aboutToFinish()), this, SLOT(aboutToFinish()));
// Nunca referenciar nenhum objeto da UI antes dessa linha
ui->setupUi(this);
// Liga objetos de busca, volume e os widgets de áudio e video
ui->seekSlider->setMediaObject(mediaObject);
ui->volumeSlider->setAudioOutput(audioOutput);
Phonon::createPath(mediaObject, audioOutput);
Phonon::createPath(mediaObject, videoWidget);
DivisorVideoMixteca = new QSplitter;
DivisorVideoMixteca->addWidget(videoWidget);
DivisorVideoMixteca->addWidget(ui->Mixteca);
QVBoxLayout *DivisorCentral = new QVBoxLayout;
DivisorCentral->addWidget(DivisorVideoMixteca);
DivisorCentral->addWidget(ui->controlesWidget);
QWidget *Central = new QWidget;
Central->setLayout(DivisorCentral);
setCentralWidget(Central);
QStringList Cabecalhos;
Cabecalhos << tr("Titulo") << tr("Artista") << tr("Disco") << tr("Ano");
ui->Mixteca->setHorizontalHeaderLabels(Cabecalhos);
ui->sairAction->setShortcuts(QKeySequence::Quit);
}
//start id="get"
void PhononItem::fetchMetaData() {
delete m_metaMedia;
m_mediaSource = Phonon::MediaSource(fileName());
if (m_mediaSource.type() == Phonon::MediaSource::Invalid) {
qDebug() << "Invalid Media Source." << fileName();
emit fetched(false);
}
m_metaMedia = new Phonon::MediaObject(this);
QObject::connect(m_metaMedia, SIGNAL(stateChanged(Phonon::State,Phonon::State)),
this, SLOT(metaStateChanged(Phonon::State, Phonon::State)), Qt::QueuedConnection);
QObject::connect(m_metaMedia, SIGNAL(totalTimeChanged(qint64)),
this, SLOT(setTotalTime(qint64)), Qt::QueuedConnection);
m_metaMedia->setCurrentSource(m_mediaSource);
}
//![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(Phonon::MediaSource)),
this, SLOT(sourceChanged(Phonon::MediaSource)));
connect(mediaObject, SIGNAL(aboutToFinish()), this, SLOT(aboutToFinish()));
//![2]
//![1]
Phonon::createPath(mediaObject, audioOutput);
//![1]
setupActions();
setupMenus();
setupUi();
timeLcd->display("00:00");
QList<Phonon::AudioOutputDevice> audioOutputDevices =
Phonon::BackendCapabilities::availableAudioOutputDevices();
QList<Phonon::AudioOutputDevice>::iterator i;
for (i=audioOutputDevices.begin(); i != audioOutputDevices.end(); i++) {
QString description = (*i).name();
std::cout << "adi: " << description.toStdString() << "\n";
}
audioOutput->setName("Halleluja");
}
int QPlayer::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QMainWindow::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: on_MuButton_clicked(); break;
case 1: on_RemoveButton_clicked(); break;
case 2: on_pushButton_clicked(); break;
case 3: on_StyleButton_clicked(); break;
case 4: on_PrevButton_clicked(); break;
case 5: on_NextButton_clicked(); break;
case 6: on_PauseButton_clicked(); break;
case 7: on_StopButton_clicked(); break;
case 8: on_PlayButton_clicked(); break;
case 9: on_AddButton_clicked(); break;
case 10: addFiles(); break;
case 11: nextFile(); break;
case 12: prevFile(); break;
case 13: aboutToFinish(); break;
case 14: finished(); break;
case 15: tick((*reinterpret_cast< qint64(*)>(_a[1]))); break;
case 16: rndFile(); break;
case 17: stateChanged((*reinterpret_cast< Phonon::State(*)>(_a[1])),(*reinterpret_cast< Phonon::State(*)>(_a[2]))); break;
case 18: metaStateChanged((*reinterpret_cast< Phonon::State(*)>(_a[1])),(*reinterpret_cast< Phonon::State(*)>(_a[2]))); break;
case 19: sourceChanged((*reinterpret_cast< const Phonon::MediaSource(*)>(_a[1]))); break;
case 20: tableClicked((*reinterpret_cast< int(*)>(_a[1])),(*reinterpret_cast< int(*)>(_a[2]))); break;
case 21: setupActions(); break;
case 22: removeFiles(); break;
default: ;
}
_id -= 23;
}
return _id;
}
int MainWindow::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QMainWindow::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: addFiles(); break;
case 1: about(); break;
case 2: next(); break;
case 3: preview(); break;
case 4: doubleclickplay(); break;
case 5: stateChanged((*reinterpret_cast< Phonon::State(*)>(_a[1])),(*reinterpret_cast< Phonon::State(*)>(_a[2]))); break;
case 6: tick((*reinterpret_cast< qint64(*)>(_a[1]))); break;
case 7: sourceChanged((*reinterpret_cast< const Phonon::MediaSource(*)>(_a[1]))); break;
case 8: metaStateChanged((*reinterpret_cast< Phonon::State(*)>(_a[1])),(*reinterpret_cast< Phonon::State(*)>(_a[2]))); break;
case 9: aboutToFinish(); break;
case 10: tableClicked((*reinterpret_cast< int(*)>(_a[1])),(*reinterpret_cast< int(*)>(_a[2]))); break;
default: ;
}
_id -= 11;
}
return _id;
}
mainwindow::mainwindow(){
currentState=0;
hd = new helpdialog;
m=new mediaobject;
setupUi(this);
setWindowTitle("Music Player");
m=new mediaobject;
QObject::connect(actionAbout, SIGNAL(triggered()), this, SLOT(helpShow()));
QObject::connect(actionExit,SIGNAL(triggered()),this,SLOT(close()));
QObject::connect(actionAdd_Files,SIGNAL(triggered()),this,SLOT(addFiles()));
QObject::connect(buttonPause,SIGNAL(clicked()),this,SLOT(pauseFile()));
QObject::connect(buttonPlay,SIGNAL(clicked()),this,SLOT(playCurrent()));
QObject::connect(buttonStop,SIGNAL(clicked()),m->mobj,SLOT(stop()));
QObject::connect(m,SIGNAL(currentSourceChanged(Phonon::MediaSource)),this,SLOT(fetchNext(Phonon::MediaSource)));
QObject::connect(m->mobj,SIGNAL(aboutToFinish()),this,SLOT(aboutToFinish()));
QObject::connect(m->mobj,SIGNAL(stateChanged(Phonon::State,Phonon::State)),this,SLOT(metaStateChanged(Phonon::State,Phonon::State)));
seekSlider->setMediaObject(m->mobj);
volumeSlider->setAudioOutput(m->audioOutput);
show();
// Signal and slots for help -> AboutUs
//m->setQueue(list);
}
MusicPlayer::MusicPlayer(QObject *parent) : QObject(parent)
{
downIcon = QIcon(QLatin1String(":/files/images/arrow-270.png"));
upIcon = QIcon(QLatin1String(":/files/images/arrow-090.png"));
removeIcon = QIcon(QLatin1String(":/files/images/cross-circle.png"));
lastRowClicked = -1;
currentSource = 0;
audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
audioOutput->setVolume(.5f);
mediaObject = new Phonon::MediaObject(this);
metaInformationResolver = new Phonon::MediaObject(this);
mediaObject->setTickInterval(1000);
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(Phonon::MediaSource)), this, SLOT(sourceChanged(Phonon::MediaSource)));
connect(mediaObject, SIGNAL(aboutToFinish()), this, SLOT(aboutToFinish()));
Phonon::createPath(mediaObject, audioOutput);
}
// 初始化播放器
void MyWidget::initPlayer()
{
// 设置主界面标题、图标和大小
setWindowTitle(tr("MyPlayer音乐播放器"));
setWindowIcon(QIcon(":/images/icon.png"));
setMinimumSize(320, 160);
setMaximumSize(320, 160);
// 创建媒体图
mediaObject = new Phonon::MediaObject(this);
Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
Phonon::createPath(mediaObject, audioOutput);
// 关联媒体对象的tick()信号来更新播放时间的显示
connect(mediaObject, SIGNAL(tick(qint64)), this, SLOT(updateTime(qint64)));
// 创建顶部标签，用于显示一些信息
topLabel = new QLabel(tr("<a href = \" http://www.yafeilinux.com \"> www.yafeilinux.com </a>"));
topLabel->setTextFormat(Qt::RichText);
topLabel->setOpenExternalLinks(true);
topLabel->setAlignment(Qt::AlignCenter);
// 创建控制播放进度的滑块
Phonon::SeekSlider *seekSlider = new Phonon::SeekSlider(mediaObject, this);
// 创建包含播放列表图标、显示时间标签和桌面歌词图标的工具栏
QToolBar *widgetBar = new QToolBar(this);
// 显示播放时间的标签
timeLabel = new QLabel(tr("00:00 / 00:00"), this);
timeLabel->setToolTip(tr("当前时间 / 总时间"));
timeLabel->setAlignment(Qt::AlignCenter);
timeLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
// 创建图标，用于控制是否显示播放列表
QAction *PLAction = new QAction(tr("PL"), this);
PLAction->setShortcut(QKeySequence("F4"));
PLAction->setToolTip(tr("播放列表(F4)"));
connect(PLAction, SIGNAL(triggered()), this, SLOT(setPlaylistShown()));
// 创建图标，用于控制是否显示桌面歌词
QAction *LRCAction = new QAction(tr("LRC"), this);
LRCAction->setShortcut(QKeySequence("F2"));
LRCAction->setToolTip(tr("桌面歌词(F2)"));
connect(LRCAction, SIGNAL(triggered()), this, SLOT(setLrcShown()));
// 添加到工具栏
widgetBar->addAction(PLAction);
widgetBar->addSeparator();
widgetBar->addWidget(timeLabel);
widgetBar->addSeparator();
widgetBar->addAction(LRCAction);
// 创建播放控制动作工具栏
QToolBar *toolBar = new QToolBar(this);
// 播放动作
playAction = new QAction(this);
playAction->setIcon(QIcon(":/images/play.png"));
playAction->setText(tr("播放(F5)"));
playAction->setShortcut(QKeySequence(tr("F5")));
connect(playAction, SIGNAL(triggered()), this, SLOT(setPaused()));
// 停止动作
stopAction = new QAction(this);
stopAction->setIcon(QIcon(":/images/stop.png"));
stopAction->setText(tr("停止(F6)"));
stopAction->setShortcut(QKeySequence(tr("F6")));
connect(stopAction, SIGNAL(triggered()), mediaObject, SLOT(stop()));
// 跳转到上一首动作
skipBackwardAction = new QAction(this);
skipBackwardAction->setIcon(QIcon(":/images/skipBackward.png"));
skipBackwardAction->setText(tr("上一首(Ctrl+Left)"));
skipBackwardAction->setShortcut(QKeySequence(tr("Ctrl+Left")));
connect(skipBackwardAction, SIGNAL(triggered()), this, SLOT(skipBackward()));
// 跳转到下一首动作
skipForwardAction = new QAction(this);
skipForwardAction->setIcon(QIcon(":/images/skipForward.png"));
skipForwardAction->setText(tr("下一首(Ctrl+Right)"));
skipForwardAction->setShortcut(QKeySequence(tr("Ctrl+Right")));
connect(skipForwardAction, SIGNAL(triggered()), this, SLOT(skipForward()));
// 打开文件动作
QAction *openAction = new QAction(this);
openAction->setIcon(QIcon(":/images/open.png"));
openAction->setText(tr("播放文件(Ctrl+O)"));
openAction->setShortcut(QKeySequence(tr("Ctrl+O")));
connect(openAction, SIGNAL(triggered()), this, SLOT(openFile()));
// 音量控制部件
Phonon::VolumeSlider *volumeSlider = new Phonon::VolumeSlider(audioOutput, this);
volumeSlider->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
// 添加到工具栏
toolBar->addAction(playAction);
toolBar->addSeparator();
toolBar->addAction(stopAction);
toolBar->addSeparator();
toolBar->addAction(skipBackwardAction);
toolBar->addSeparator();
toolBar->addAction(skipForwardAction);
toolBar->addSeparator();
toolBar->addWidget(volumeSlider);
toolBar->addSeparator();
toolBar->addAction(openAction);
// 创建主界面布局管理器
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(topLabel);
mainLayout->addWidget(seekSlider);
mainLayout->addWidget(widgetBar);
mainLayout->addWidget(toolBar);
setLayout(mainLayout);
// 在3-2中添加的代码
connect(mediaObject, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
this, SLOT(stateChanged(Phonon::State, Phonon::State)));
// 以下是在3-3中添加的代码
// 创建播放列表
playlist = new MyPlaylist(this);
connect(playlist, SIGNAL(cellClicked(int, int)), this, SLOT(tableClicked(int)));
connect(playlist, SIGNAL(playlistClean()), this, SLOT(clearSources()));
// 创建用来解析媒体的信息的元信息解析器
metaInformationResolver = new Phonon::MediaObject(this);
// 需要与AudioOutput连接后才能使用metaInformationResolver来获取歌曲的总时间
Phonon::AudioOutput *metaInformationAudioOutput =
new Phonon::AudioOutput(Phonon::MusicCategory, this);
Phonon::createPath(metaInformationResolver, metaInformationAudioOutput);
connect(metaInformationResolver, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
this, SLOT(metaStateChanged(Phonon::State, Phonon::State)));
connect(mediaObject, SIGNAL(currentSourceChanged(Phonon::MediaSource)),
this, SLOT(sourceChanged(Phonon::MediaSource)));
connect(mediaObject, SIGNAL(aboutToFinish()), this, SLOT(aboutToFinish()));
// 初始化动作图标的状态
playAction->setEnabled(false);
stopAction->setEnabled(false);
skipBackwardAction->setEnabled(false);
skipForwardAction->setEnabled(false);
topLabel->setFocus();
}
