[app] Tweaking BooksShelfView

It doesn't need to be flickable. Also, re-parented BooksDragArea

app/qml/BooksShelfView.qml

@@ -33,7 +33,7 @@ import QtQuick 2.0
 import Sailfish.Silica 1.0
 import harbour.books 1.0
 
-SilicaFlickable {
+Item {
     id: shelfView
 
     property int shelfIndex
@@ -254,6 +254,12 @@ SilicaFlickable {
             easing.type: Easing.OutCubic
         }
 
+        onActiveFocusChanged: console.log("BooksShelfView.grid", activeFocus)
+
+        Behavior on y { SpringAnimation {} }
+        VerticalScrollDecorator {}
+    }
+
     BooksDragArea {
         id: dragArea
         dragParent: storageView
@@ -264,13 +270,13 @@ SilicaFlickable {
             }
         }
         onDropItem: shelfView.dropItem(mouseX, mouseY)
+        onActiveFocusChanged: console.log("BooksShelfView.grid.dragArea", activeFocus)
+        Component.onCompleted: {
+            console.log("BooksDragArea created")
+            grid.focus = true
         }
-
-        Behavior on y { SpringAnimation {} }
-        VerticalScrollDecorator {}
     }
 
-
     Timer {
         id: longStartTimer
         interval: 500