Add smart playlists, ratings and Qobuz

Fixes #259
Fixes #264

src/smartplaylists/smartplaylistsview.h

@@ -0,0 +1,47 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2019, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SMARTPLAYLISTSVIEW_H
+#define SMARTPLAYLISTSVIEW_H
+
+#include "config.h"
+
+#include <QListView>
+#include <QItemSelection>
+#include <QModelIndex>
+#include <QPoint>
+
+class SmartPlaylistsView : public QListView {
+  Q_OBJECT
+
+ public:
+  explicit SmartPlaylistsView(QWidget *parent = nullptr);
+  ~SmartPlaylistsView();
+
+ protected:
+  void selectionChanged(const QItemSelection&, const QItemSelection&) override;
+  void contextMenuEvent(QContextMenuEvent *e) override;
+
+ signals:
+  void ItemsSelectedChanged();
+  void RightClicked(QPoint global_pos, QModelIndex idx);
+
+};
+
+#endif  // SMARTPLAYLISTSVIEW_H