C++ (Cpp) Playlist::hash Examples

Example #1

File: tabplaylist.cpp Project: ravloony/Miam-Player

/** Add a new playlist tab. */
Playlist* TabPlaylist::addPlaylist()
{
	QString newPlaylistName = tr("Playlist %1").arg(count() + 1);
	QByteArray ba;
	if (playlists().isEmpty()) {
		ba = SettingsPrivate::instance()->lastActivePlaylistGeometry();
	} else {
		ba = currentPlayList()->horizontalHeader()->saveState();
	}

	// Then append a new empty playlist to the others
	Playlist *p = new Playlist(_mediaPlayer, this);
	p->installEventFilter(this);
	if (!ba.isEmpty()) {
		p->horizontalHeader()->restoreState(ba);
	}

	// Always create an icon in Disabled mode. It will be enabled when one will provide some tracks
	int i = addTab(p, newPlaylistName);
	this->setTabIcon(i, this->defaultIcon(QIcon::Disabled));

	connect(p->mediaPlaylist(), &QMediaPlaylist::mediaRemoved, this, [=](int start, int) {
		if (_mediaPlayer.data()->playlist() == p->mediaPlaylist() && p->mediaPlaylist()->currentIndex() == start) {
			_mediaPlayer.data()->stop();
		}
	});

	// Forward from inner class to MainWindow the signals
	connect(p, &Playlist::aboutToSendToTagEditor, this, &TabPlaylist::aboutToSendToTagEditor);
	connect(p, &Playlist::selectionChanged, this, &TabPlaylist::selectionChanged);

	// Check if tab icon should indicate that playlist has changed or not
	connect(p, &Playlist::contentHasChanged, this, [=]() {
		int playlistTabIndex = -1;
		for (int i = 0; i < playlists().count(); i++) {
			if (p == playlist(i)) {
				playlistTabIndex = i;
				break;
			}
		}
		if (playlistTabIndex != -1) {
			if (p->hash() != p->generateNewHash()) {
				this->setTabIcon(playlistTabIndex, this->defaultIcon(QIcon::Normal));
			}
		}
	});

	// Select the new empty playlist
	setCurrentIndex(i);
	uint hash = qHash(p);
	this->tabBar()->setTabData(i, hash);
	emit playlistCreated();
	return p;
}