small component patches + code cleanup

components/PopupCard.qml

@@ -7,6 +7,7 @@ Rectangle {
     required property bool popupOpen
     required property bool isTop
     property bool animEnabled: true
+    property bool showShadow: false
 
     width: parent.width
 
@@ -27,6 +28,18 @@ Rectangle {
     opacity: popupOpen ? 1.0 : 0.0
     Behavior on opacity { NumberAnimation { duration: 200 } }
 
+    Rectangle {
+        visible:        card.showShadow && card.popupOpen
+        anchors.fill:   parent
+        anchors.margins: -3
+        radius:         card.radius + 3
+        color:          "transparent"
+        border.color:   Qt.rgba(0, 0, 0, 0.35)
+        border.width:   6
+        opacity:        card.showShadow && card.popupOpen ? 0.6 : 0
+        Behavior on opacity { NumberAnimation { duration: 200 } }
+    }
+
     default property alias _popupCardContent: _content.data
 
     Item {