Enable mouse-tracking for all list/tree views.

BUG:28

ChangeLog

@@ -33,6 +33,7 @@
 19. Fix genre filtering in albums view - filter was not updated when genre was
     changed.
 20. Fix background painting in lyrics view for non-oxygen styles.
+21. Enable mouse-tracking for all list/tree views.
 
 0.7.1
 -----

widgets/listview.cpp

@@ -37,6 +37,7 @@ ListView::ListView(QWidget *parent)
     setSelectionMode(QAbstractItemView::ExtendedSelection);
     setAlternatingRowColors(true);
     setUniformItemSizes(true);
+    setAttribute(Qt::WA_MouseTracking);
 }
 
 ListView::~ListView()

widgets/treeview.cpp

@@ -37,6 +37,7 @@ TreeView::TreeView(QWidget *parent)
     setAlternatingRowColors(true);
     setSelectionMode(QAbstractItemView::ExtendedSelection);
     setSelectionBehavior(QAbstractItemView::SelectRows);
+    setAttribute(Qt::WA_MouseTracking);
 }
 
 TreeView::~TreeView()