1 files changed, 6 insertions, 1 deletions
diff --git a/muse2/muse/plugin.h b/muse2/muse/plugin.h
index 24173de4..031eb566 100644
--- a/muse2/muse/plugin.h
+++ b/muse2/muse/plugin.h
@@ -13,6 +13,8 @@
 #include <vector>
 
 #include <QDialog>
+#include <QFileInfo>
+#include <QMainWindow>
 #include <QUiLoader>
 
 
@@ -34,10 +36,13 @@
 #include <dssi.h>
 #endif
 
+class QAbstractButton;
 class QComboBox;
-class QFileInfo;
+class QRadioButton;
 class QScrollArea;
 class QToolButton;
+class QToolButton;
+class QTreeWidget;
 
 class Xml;
 class Slider;