Replace signals with Q_SIGNALS

src/tidal/tidalbaserequest.h

@@ -94,7 +94,7 @@ class TidalBaseRequest : public QObject {
 
   virtual void set_need_login() = 0;
 
- signals:
+ Q_SIGNALS:
   void RequestLogin();
 
  private slots:

src/tidal/tidalfavoriterequest.h

@@ -53,7 +53,7 @@ class TidalFavoriteRequest : public TidalBaseRequest {
     Songs
   };
 
- signals:
+ Q_SIGNALS:
   void ArtistsAdded(const SongList &songs);
   void AlbumsAdded(const SongList &songs);
   void SongsAdded(const SongList &songs);

src/tidal/tidalrequest.h

@@ -99,7 +99,7 @@ class TidalRequest : public TidalBaseRequest {
     QString filename;
   };
 
- signals:
+ Q_SIGNALS:
   void LoginSuccess();
   void LoginFailure(const QString &failure_reason);
   void Results(const int id, const SongMap &songs = SongMap(), const QString &error = QString());

src/tidal/tidalstreamurlrequest.h

@@ -57,7 +57,7 @@ class TidalStreamURLRequest : public TidalBaseRequest {
   void set_need_login() override { need_login_ = true; }
   bool need_login() const { return need_login_; }
 
- signals:
+ Q_SIGNALS:
   void TryLogin();
   void StreamURLFailure(const uint id, const QUrl &media_url, const QString &error);
   void StreamURLSuccess(const uint id, const QUrl &media_url, const QUrl &stream_url, const Song::FileType filetype, const int samplerate = -1, const int bit_depth = -1, const qint64 duration = -1);