diff --git a/common/lc_glwidget.h b/common/lc_glwidget.h
index 56f5c146..a5fea838 100644
--- a/common/lc_glwidget.h
+++ b/common/lc_glwidget.h
@@ -32,6 +32,14 @@ enum class lcCursor
 	Count
 };
 
+enum class lcTrackButton
+{
+	None,
+	Left,
+	Middle,
+	Right
+};
+
 struct lcInputState
 {
 	int x = 0;
@@ -53,6 +61,11 @@ public:
 		return mCamera;
 	}
 
+	bool IsTracking() const
+	{
+		return mTrackButton != lcTrackButton::None;
+	}
+
 	void SetContext(lcContext* Context);
 	void MakeCurrent();
 	void Redraw();
@@ -88,11 +101,12 @@ public:
 	lcInputState mInputState;
 	int mWidth = 1;
 	int mHeight = 1;
-	lcCursor mCursor = lcCursor::Default;
 	QGLWidget* mWidget = nullptr;
 	lcContext* mContext = nullptr;
 
 protected:
 	lcCamera* mCamera = nullptr;
 	bool mDeleteContext = true;
+	lcCursor mCursor = lcCursor::Default;
+	lcTrackButton mTrackButton = lcTrackButton::None;
 };
diff --git a/common/lc_previewwidget.h b/common/lc_previewwidget.h
index c14612dd..0a0c0212 100644
--- a/common/lc_previewwidget.h
+++ b/common/lc_previewwidget.h
@@ -32,14 +32,6 @@ protected:
 class lcPreviewWidget : public lcGLWidget
 {
 public:
-	enum class lcTrackButton
-	{
-		None,
-		Left,
-		Middle,
-		Right
-	};
-
 	enum class lcTrackTool
 	{
 		None,
@@ -73,10 +65,6 @@ public:
 	// exclusively called from viewSphere
 	void SetViewpoint(const lcVector3& Position);
 	void StartOrbitTracking();
-	bool IsTracking() const
-	{
-		return mTrackButton != lcTrackButton::None;
-	}
 
 	bool IsModel() const
 	{
@@ -111,7 +99,6 @@ protected:
 	lcScene mScene;
 
 	lcTool mTool;
-	lcTrackButton mTrackButton;
 	lcTrackTool mTrackTool;
 
 	QString mDescription;
diff --git a/common/view.h b/common/view.h
index 92237632..dd286d08 100644
--- a/common/view.h
+++ b/common/view.h
@@ -6,14 +6,6 @@
 #include "lc_viewsphere.h"
 #include "lc_commands.h"
 
-enum class lcTrackButton
-{
-	None,
-	Left,
-	Middle,
-	Right
-};
-
 enum class lcTrackTool
 {
 	None,
@@ -95,11 +87,6 @@ public:
 	void BeginDrag(lcDragState DragState) override;
 	void EndDrag(bool Accept) override;
 
-	bool IsTracking() const
-	{
-		return mTrackButton != lcTrackButton::None;
-	}
-
 	void StartOrbitTracking();
 	void CancelTrackingOrClearSelection();
 
@@ -161,7 +148,6 @@ protected:
 
 	lcScene mScene;
 	lcDragState mDragState;
-	lcTrackButton mTrackButton;
 	lcTrackTool mTrackTool;
 	bool mTrackToolFromOverlay;
 	bool mTrackUpdated;