添加快退快进槽函数
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@ -260,12 +260,14 @@ void *readPipeMSG(void *arg)
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void MainWindow::setSongList()
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{
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// 将 vector 内容转存入 QStringList
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QStringList strList;
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for(vector<string>::const_iterator it = vectorSong.begin(); it != vectorSong.end(); ++it)
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{
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strList.append(QString::fromStdString(*it));
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}
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ui->song_list_widget->addItems(strList);
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// ui->song_list_widget->setCurrentRow(2);
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}
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void MainWindow::on_play_btn_clicked()
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@ -293,3 +295,22 @@ void MainWindow::on_front_btn_clicked()
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{
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playNextSong(); // 切换下一首歌
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}
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void MainWindow::player_rewind_or_forward(int seconds)
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{
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char changeSongBuf[128] = "";
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int len = sprintf(changeSongBuf, "seek %d\n", seconds); // 快进快退 seconds 秒 (seconds 为正->进,为负->退)
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write(this->fifo_fd, changeSongBuf, len); // 将获取的下一首歌曲名写入到有名管道中
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}
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void MainWindow::on_last_btn_clicked()
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{
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player_rewind_or_forward(-10); // 快退 10 秒
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}
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void MainWindow::on_next_btn_clicked()
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{
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player_rewind_or_forward(10); // 快退 10 秒
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}
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@ -47,6 +47,7 @@ public:
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public slots:
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void playNextSong(); // 切换歌曲槽函数I
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void playLastSong();
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void player_rewind_or_forward(int seconds); // 快进快退函数
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void setCurrentTimeLabel(int time); // 设置当前时间标签槽函数
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void setCurrentSlider(int currentProgress); // 设置当前进度条
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