ui->playButton->setIcon(QIcon::fromTheme("camera_playback"));
ui->clearButton->setIcon(QIcon::fromTheme("general_delete"));
ui->shuffleButton->setIcon(QIcon::fromTheme("mediaplayer_default_shuffle"));
ui->playButton->setIcon(QIcon::fromTheme("camera_playback"));
ui->clearButton->setIcon(QIcon::fromTheme("general_delete"));
ui->shuffleButton->setIcon(QIcon::fromTheme("mediaplayer_default_shuffle"));