Reduce includes

src/queue/queue.cpp

@@ -20,26 +20,26 @@
 
 #include "config.h"
 
+#include <memory>
 #include <algorithm>
 
 #include <QObject>
 #include <QIODevice>
 #include <QDataStream>
 #include <QBuffer>
-#include <QFlags>
 #include <QList>
 #include <QVariant>
 #include <QString>
 #include <QStringList>
 #include <QStringBuilder>
 #include <QMimeData>
-#include <QtAlgorithms>
 #include <QAbstractItemModel>
 #include <QAbstractProxyModel>
-#include <QPersistentModelIndex>
 
 #include "core/utilities.h"
+#include "core/song.h"
 #include "playlist/playlist.h"
+#include "playlist/playlistitem.h"
 #include "queue.h"
 
 using std::stable_sort;

src/queue/queue.h

@@ -23,7 +23,6 @@
 
 #include "config.h"
 
-
 #include <QObject>
 #include <QAbstractItemModel>
 #include <QAbstractProxyModel>
@@ -31,9 +30,9 @@
 #include <QVariant>
 #include <QString>
 #include <QStringList>
-#include <QMimeData>
 
-#include "playlist/playlist.h"
+class QMimeData;
+class Playlist;
 
 class Queue : public QAbstractProxyModel {
   Q_OBJECT

src/queue/queueview.cpp

@@ -23,13 +23,12 @@
 #include <QWidget>
 #include <QAbstractItemModel>
 #include <QItemSelectionModel>
-#include <QKeySequence>
-#include <QList>
-#include <QPushButton>
-#include <QShortcut>
 #include <QTreeView>
-#include <QtAlgorithms>
+#include <QList>
 #include <QTimer>
+#include <QKeySequence>
+#include <QLabel>
+#include <QToolButton>
 
 #include "core/iconloader.h"
 #include "playlist/playlist.h"

src/queue/queueview.h

@@ -25,7 +25,6 @@
 
 #include <QObject>
 #include <QWidget>
-#include <QDialog>
 #include <QString>
 
 class Playlist;