基于Qt和c++开发的多功能高颜值音乐播放器源码+项目详细说明.zip

#include "haomusic.h" #include "ui_haomusic.h" #include <QByteArray> #include <QButtonGroup> #include <QFocusEvent> #include <QListWidgetItem> #include <QMenu> #include <QMetaEnum> #include <QMovie> #include <QPainter> #include <QScroller> #include <QScrollBar> #include <QThreadPool> #include <QTimer> #include "mybottombar.h" #include "mylineedit.h" HaoMusic::HaoMusic(QWidget *parent) : SwitchAnimation(parent) , ui(new Ui::HaoMusic) { ui->setupUi(this); // 加载样式表 QFile file(":/qss/style.css"); if (file.open(QIODevice::ReadOnly)) { this->setStyleSheet(QString(file.readAll())); file.close(); } // 设置托盘图标 setTrayIcon(); // 初始化播放器 initPlayer(); // 连接信号和槽 connectSignalsAndSlots(); // 初始化音乐列表 initMusicList(); // 读取配置 readSettings(); } HaoMusic::~HaoMusic() { delete ui; m_db->close(); writeSettings(); } // 初始化 void HaoMusic::initPlayer() { paintShadowRadiusWidget(); // 网络处理类初始化 search = new MyHttp(this); // 播放器初始化 mediaPlayer = new QMediaPlayer(this); mediaPlaylist = new MyMediaPlaylist(this); mediaPlaylist->setPlaybackMode(MyMediaPlaylist::Loop);//设置播放模式(顺序播放，单曲循环，随机播放等) mediaPlayer->setPlaylist(mediaPlaylist); mediaPlayer->setAudioRole(QAudio::MusicRole); mediaPlayer->setVolume(volume); ui->horizontalSlider_volume->setValue(volume); // 按钮互斥 QButtonGroup *btnGroup = new QButtonGroup(this); btnGroup->setExclusive(true); btnGroup->addButton(ui->pushButton_localmusic); btnGroup->addButton(ui->pushButton_favorite); btnGroup->addButton(ui->pushButton_recentlyplayed); btnGroup->addButton(ui->pushButton_defaultSongList); btnGroup->addButton(ui->pushButton_search); connect(btnGroup, QOverload<QAbstractButton *>::of(&QButtonGroup::buttonClicked), this, [=](QAbstractButton *btn) { QList<QAbstractButton*> buttons = btnGroup->buttons(); foreach (QAbstractButton *button, buttons) { button->setEnabled(true); } btn->setEnabled(false); ui->pushButton_search->setEnabled(true); }); // 设置列表属性 ui->listWidget_favorite->init(MyListWidget::FAVORITE, "我喜欢的音乐"); ui->listWidget_localMusic->init(MyListWidget::LOCAL, "本地音乐"); ui->listWidget_searchResult->init(MyListWidget::SEARCHRESULT, "搜索结果"); ui->listWidget_history->init(MyListWidget::HISTORY, "历史播放列表"); // ui->listWidget_defaultList->init(MyListWidget::DEFALUT, "我创建的歌单"); // 初始化歌单列表 // songLists.insert(MyListWidget::FAVORITE, ui->listWidget_favorite); // songLists.insert(MyListWidget::LOCAL, ui->listWidget_localMusic); // songLists.insert(MyListWidget::SEARCHRESULT, ui->listWidget_searchResult); // songLists.insert(MyListWidget::HISTORY, ui->listWidget_history); // songLists.insert(MyListWidget::DEFALUT, ui->listWidget_defaultList); // 加载动画 loadingMovie = new QMovie(":/icon/loading.gif", QByteArray(), this); ui->label_loading->setMovie(loadingMovie); //设置歌词鼠标左键拖动 QScroller::grabGesture(ui->listWidget_lrc,QScroller::LeftMouseButtonGesture); ui->listWidget_lrc->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel); ui->listWidget_lrc->verticalScrollBar()->setSingleStep(10); ui->lineEdit_listName->hide(); } // 初始化音乐列表 void HaoMusic::initMusicList() { // 获取数据库实例 m_db = MusicDB::instance(); ui->pushButton_localmusic->click(); if (search->hotSearch().isEmpty()) return; ui->lineEdit_search->setPlaceholderText(search->hotSearch().first()); } // 设置托盘图标 void HaoMusic::setTrayIcon() { //新建一个托盘图标对象 在QSystemTrayIcon()中添加this指针指向musicplayer，以便在关闭窗口时销毁托盘图标 QSystemTrayIcon *trayicon = new QSystemTrayIcon(this); // 设置托盘图标 trayicon->setIcon(QIcon(QPixmap(":/icon/MusicPlayer.ico"))); //设置托盘图标提示：鼠标移动到上面会提示文字 trayicon->setToolTip(QString("MusicPlayer")); connect(trayicon, &QSystemTrayIcon::activated, this, &HaoMusic::iconActived); //创建菜单项 QMenu *traymenu = new QMenu(); //设置托盘图标右键菜单 trayicon->setContextMenu(traymenu); // 设置托盘图标菜单 traymenu->addAction("打开主界面",this,&HaoMusic::activateWindow); traymenu->addAction("退出",this,&HaoMusic::close); // 显示托盘图标 trayicon->show(); } // 双击托盘图标显示窗口 void HaoMusic::iconActived(QSystemTrayIcon::ActivationReason reason) { switch(reason) { //双击托盘显示窗口 case QSystemTrayIcon::Trigger: this->setWindowState(Qt::WindowActive); this->show(); break; default: break; } } // 连接信号和槽 void HaoMusic::connectSignalsAndSlots() { // 绑定音乐进度条点击事件 connect(ui->horizontalSlider_musicProgress,&CustomSlider::customSliderClicked,this,&HaoMusic::sliderClicked); // 绑定播放进度改变事件 connect(mediaPlayer,&QMediaPlayer::positionChanged,this,&HaoMusic::onPositionChanged); // 按Enter键搜索 connect(ui->lineEdit_search, &QLineEdit::returnPressed, [=] { ui->pushButton_search->click(); ui->lineEdit_search->clearFocus(); }); // 播放状态改变，更新播放按钮和提示 connect(mediaPlayer, &QMediaPlayer::stateChanged, [=]() { switch(mediaPlayer->state()) { case QMediaPlayer::PlayingState: ui->pushButton_switch->setToolTip("暂停"); ui->pushButton_switch->setIcon(QIcon(QPixmap(":/icon/Player, pause.svg"))); break; default: ui->pushButton_switch->setToolTip("播放"); ui->pushButton_switch->setIcon(QIcon(QPixmap(":/icon/Player, play.svg"))); break; } }); connect(mediaPlaylist, &MyMediaPlaylist::playbackModeChanged, this, [=](QMediaPlaylist::PlaybackMode mode) { switch (mode) { //列表循环 case MyMediaPlaylist::Loop: ui->pushButton_mode->setIcon(QIcon(QPixmap(":/icon/repeat.svg"))); ui->pushButton_mode->setToolTip("列表循环"); break; //顺序播放 case MyMediaPlaylist::Sequential: ui->pushButton_mode->setIcon(QIcon(QPixmap(":/icon/order-play-fill.svg"))); ui->pushButton_mode->setToolTip("顺序播放"); break; //随机播放 case MyMediaPlaylist::Random: ui->pushButton_mode->setIcon(QIcon(QPixmap(":/icon/random.svg"))); ui->pushButton_mode->setToolTip("随机播放"); break; //单曲循环 case MyMediaPlaylist::CurrentItemInLoop: ui->pushButton_mode->setIcon(QIcon(QPixmap(":/icon/repeat-one-line.svg"))); ui->pushButton_mode->setToolTip("单曲循环"); break; case MyMediaPlaylist::CurrentItemOnce: break; } }); // 当前媒体状体改变 connect(mediaPlayer, &QMediaPlayer::mediaStatusChanged, [=]() { if (QMediaPlayer::EndOfMedia == mediaPlayer->mediaStatus()) { mediaPlaylist->next(); } }); // 播放歌曲改变 connect(mediaPlayer, &QMediaPlayer::currentMediaChanged, this, [=] { int index = mediaP