QT实现局域网即时通信软件

#include "videoplayer.h" videoPlayer::videoPlayer(QWidget *parent) : QWidget(parent) { bPlayOrPause = false; bRepaint = false; // 换背景色的变量 bTop = false; bMaxSize = false; // 窗口最大化 bFull = false; this->setGeometry(300,30,640,480); this->setWindowIcon(QIcon(":img/image/play.png")); this->setWindowTitle(tr("视频播放器")); this->setWindowFlags(Qt::FramelessWindowHint); this->setAttribute(Qt::WA_TranslucentBackground); this->setAutoFillBackground(true); this->setAttribute(Qt::WA_DeleteOnClose); // 关闭时释放占用的内存 createMediaObjects(); // 媒体的各种控件 createBtnLink(); // 按键 createLayout(); // 布局管理 // videoWidget之上的背景图 QPixmap pixMap(":img/image/vbg2.png"); labelBackGround = new QLabel(this); labelBackGround->setPixmap(pixMap); labelBackGround->setGeometry(10,10,620,360); } videoPlayer::~videoPlayer() { } void videoPlayer::createMediaObjects() { mediaObject = new Phonon::MediaObject(this); // 媒体对象 metaInfomationResolver = new Phonon::MediaObject(this); // 当前媒体对象 connect(mediaObject,SIGNAL(aboutToFinish()),this,SLOT(aboutToFinish())); // 与播放结束的链接 finished重载了 实现循环播放 connect(mediaObject,SIGNAL(finished()),this,SLOT(finished())); // LCDNumber 每秒更新显示 和 获取当前歌曲总时间 类的私有槽函数 connect(mediaObject,SIGNAL(tick(qint64)),this,SLOT(tickAndTotalTime(qint64))); connect(mediaObject,SIGNAL(tick(qint64)),this,SLOT(showSubtitle(qint64))); // 字幕 // 用于显示图像的窗口 不能少 Phonon::VideoWidget videoWidget = new Phonon::VideoWidget(this); videoWidget->setAspectRatio(Phonon::VideoWidget::AspectRatioAuto); Phonon::createPath(mediaObject, videoWidget); // 创建图像与mediaObject的连接 videoWidget->installEventFilter(this); // 安装事件过滤器 在eventFileter中实现 audioOutput = new Phonon::AudioOutput(Phonon::VideoCategory, this); Phonon::createPath(mediaObject, audioOutput); // 创建声音与mediaObject的连接 // 音量标签 volumeLabel = new QLabel(tr("Volume:"),this); volumeLabel->setStyleSheet("QLabel {color:black}"); volumeLabel->setFont(QFont(tr("Times New Roman"),12)); // 音量条 volumeSlider = new Phonon::VolumeSlider(this); volumeSlider->setAudioOutput(audioOutput); // 设置声音的输出设备 volumeSlider->setSizePolicy(QSizePolicy::Maximum,QSizePolicy::Maximum); volumeSlider->setStyleSheet( "QSlider::groove:horizontal { /*糟部分*/ " " border: 1px solid #999999; " " height: 2px; " " margin: 0px 0; " " left: 12px; right: 12px; " " } " "QSlider::handle:horizontal { /*滑块部分*/ " " border: 1px solid #5c5c5c; " " border-image:url(:/images/smile.png); " " width: 18px; " " margin: -7px -7px -7px -7px; " " } " " " "QSlider::sub-page:horizontal{ /*已经滑过部分*/ " " background: rgba(57,57,57,200); " "} " "QSlider::add-page:horizontal{ /*未滑过部分*/ " " background: rgba(150,150,150,200);;}"); // 进度条 seekSlider = new Phonon::SeekSlider(this); seekSlider->setMediaObject(mediaObject); // 设置进度条的的连接媒体源 mediaObject seekSlider->setStyleSheet( "QSlider::groove:horizontal { /*糟部分*/ " " border: 1px solid #999999; " " height: 2px; " " margin: 0px 0; " " left: 12px; right: 12px; " " } " "QSlider::handle:horizontal { /*滑块部分*/ " " border: 1px solid #5c5c5c; " " border-image:url(:/images/heart.png); " " width: 18px; " " margin: -7px -7px -7px -7px; " " } " " " "QSlider::sub-page:horizontal{ /*已经滑过部分*/ " " background: rgba(57,57,57,200); " "} " "QSlider::add-page:horizontal{ /*未滑过部分*/ " " background: rgba(150,150,150,200);;}"); // 时间标签 musicTimeLabel = new QLabel(tr("0:00:00/0:00:00"),this); musicTimeLabel->setFont(QFont(tr("Times New Roman"),16)); musicTimeLabel->show(); // 字幕标签 subTitleLabel = new QLabel(videoWidget); subTitleLabel->setStyleSheet("QLabel {color: white;}"); subTitleLabel->setFont(QFont(tr("Times New Roman"),14)); subTitleLabel->setWindowFlags(Qt::WindowStaysOnTopHint); subTitleLabel->setAttribute(Qt::WA_TranslucentBackground); subTitleLabel->show(); subTitleLabel->move(200, 400); bDesLrc = true; } // 获取电影的文件名和路径,以便查找字幕文件 void videoPlayer::getVideoPathAndName() { /* ***************** 重新获取歌曲名称和路径 以便显示歌词 ******************/ QString fileName = mediaObject->currentSource().fileName(); musicFileName = ""; musicFilePath = ""; musicFileName = fileName.right(fileName.length() - fileName.lastIndexOf('/') - 1); // 音乐文件名 musicFilePath = fileName.left(fileName.length() - musicFileName.length()); // 路径名 qDebug() << musicFileName; } // 显示电影字幕 void videoPlayer::showSubtitle(qint64 time) { //getVideoPathAndName(); // 获取电影名和路径 if(lrcHash.isEmpty()){ // 换了歌曲的话　要重读文件 subTitleLabel->setText(tr("Loading...")); subTitleLabel->update(); bDesLrc = true; lrcHash.squeeze(); // resize the hash<> } long timeFlag = (long)time; QString t = QString::number(timeFlag); if(timeFlag < 9000) t = t.mid(0,1); if(timeFlag > 9000 && timeFlag < 100000) t = t.mid(0,2); else t = t.mid(0,3); int realTime = t.toInt(); QFile file; // 歌词文件 if(bDesLrc){ // 需要重读文件 bDesLrc是控制变量 QDir::setCurrent(musicFilePath); // 设置音乐文件路径为当前路径 QString lrcFileName(musicFileName); // 设置文件名为正在播放的文件名 lrcFileName = lrcFileName.remove(musicFileName.right(3)) + "srt"; file.setFileName(lrcFileName); if(file.open(QIODevice::ReadOnly | QIODevice::Text)) // 叛断歌词文件是否打开 bDesLrc = false; } QString lrcCache = ""; // 从文件中读进来的内容存进里面 缓存 QTextStream lrcStream(&file); QTextCodec *codec = QTextCodec::codecForName("gb18030"); //解决乱码问题 lrcStream.setCodec(codec); // read the lrc stream while(!(lrcStream.atEnd())){ // 没有读完的时候 int timeTwo,timeThr; bool bTwo = false; bool bThr = false; lrcCache = lrcStream.readLine(); // read line