Change views to scroll-per-pixel.

ChangeLog

@@ -121,6 +121,7 @@
 74. Dont react to mouse-release event in coverwidget if an override cursor has
     been set. Fixes the case, with Qt5 builds, where a drag is started on the
     cover widget causes interface to expand/collapse.
+75. Change views to scroll-per-pixel.
 
 1.2.2
 -----

widgets/listview.cpp

@@ -45,6 +45,7 @@ ListView::ListView(QWidget *parent)
     setAlternatingRowColors(false);
     setUniformItemSizes(true);
     setAttribute(Qt::WA_MouseTracking);
+    setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), SLOT(showCustomContextMenu(const QPoint &)));
 }
 

widgets/treeview.cpp

@@ -100,6 +100,7 @@ TreeView::TreeView(QWidget *parent, bool menuAlwaysAllowed)
     setAlternatingRowColors(false);
     setSelectionMode(QAbstractItemView::ExtendedSelection);
     setSelectionBehavior(QAbstractItemView::SelectRows);
+    setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
     // Treeview does not seem to need WA_MouseTracking set, even with QGtkStyle items still
     // highlight under mouse. And enabling WA_MouseTracking here seems to cause drag-n-drop
     // errors if an item is dragged onto playqueue whilst playqueue has a selected item!