MusicClient/lyrics.cpp at master · xing-sudo/MusicClient · GitHub

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#include "lyrics.h"
#include "ui_lyrics.h"

Lyrics::Lyrics(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Lyrics)
{
    ui->setupUi(this);
    setWindowFlag(Qt::FramelessWindowHint);
    connect(ui->Hidebtn,&QPushButton::clicked,this,[=](){
        hide();
    });
    ui->Hidebtn->setIcon(QIcon(":/images/xiala.png"));

    _animation=new QPropertyAnimation(this,"geometry",this);
    _animation->setDuration(250);
    _animation->setStartValue(QRect(10,10,this->width(),this->height()));
    _animation->setEndValue(QRect(10,10+height(),width(),height()));
    connect(ui->Hidebtn,&QPushButton::clicked,this,[=](){
        _animation->start();
    });
    connect(_animation,&QPropertyAnimation::finished,this,[=](){
        hide();
    });
}

Lyrics::~Lyrics()
{
    delete ui;
}

bool Lyrics::ParseLrc(const QString &lrcpath)
{
    _linelist.clear();
    QFile lrcfile(lrcpath);
    if(lrcfile.open(QFile::ReadOnly)==false)
    {
        qDebug()<<"open lrcfile false";
        return false;
    }
    while (!lrcfile.atEnd()) {
        QString word=lrcfile.readLine(1024);
        int left=word.indexOf('[');
        int right=word.indexOf(']');

        qint64 linetime=0;
        int start=0;
        int end=0;
        QString time=word.mid(left,right-left+1);

        start=1;
        end=time.indexOf(':');
        linetime+=time.mid(start,end-start).toInt()*60*1000;

        start=end+1;
        end=time.indexOf('.',start);
        linetime+=time.mid(start,end-start).toInt()*1000;

        start=end+1;
        end=time.indexOf('.',start);
        linetime+=time.mid(start,end-start).toInt();

        QString lyrics=word.mid(right+1).trimmed();

        _linelist.push_back(Ui::LyricsLine(linetime,lyrics.trimmed()));
    }
    for (auto e:_linelist)
    {
        qDebug()<<e._time<<":"<<e._text;
    }
    return true;
}

void Lyrics::SetMusicName(const QString &name)
{
    ui->MusicName->setText(name);
}

void Lyrics::SetSinger(const QString &singer)
{
    ui->Singer->setText(singer);
}

int Lyrics::GetLineLrcWordIndex(qint64 pos)
{
    if(_linelist.isEmpty())
    {
        return -1;
    }
    if(pos<_linelist[0]._time)
    {
        return 0;
    }
    for(int i=1;i<_linelist.size();i++)
    {
        if(pos>=_linelist[i-1]._time&&pos<_linelist[i]._time)
        {
            return i;
        }
    }
    return _linelist.size()-1;
}

QString Lyrics::GetLineLrcWord(qint64 index)
{
    if(index<0||index>=_linelist.size())
    {
        return "";
    }
    return _linelist[index]._text;
}

void Lyrics::ShowLrc(int time)
{
    //qDebug()<<"showlrc";
    int index=GetLineLrcWordIndex(time);
    if(index==-1)
    {
        ui->Line1->setText("");
        ui->Line2->setText("");
        ui->Line3->setText("");
        ui->LineCenter->setText("当前歌曲无歌词");
        ui->Line4->setText("");
        ui->Line5->setText("");
        ui->Line6->setText("");
    }else
    {
        ui->Line1->setText(GetLineLrcWord(index-3));
        ui->Line2->setText(GetLineLrcWord(index-2));
        ui->Line3->setText(GetLineLrcWord(index-1));
        ui->LineCenter->setText(GetLineLrcWord(index));
        ui->Line4->setText(GetLineLrcWord(index+1));
        ui->Line5->setText(GetLineLrcWord(index+2));
        ui->Line6->setText(GetLineLrcWord(index+3));
    }
}