Add win overlay

qml/Main.qml

@@ -122,4 +122,6 @@ ApplicationWindow {
         cardWidth: app.cardWidth
         cardHeight: app.cardHeight
     }
+
+    WinOverlay {}
 }

qml/WinOverlay.qml

@@ -0,0 +1,30 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import Solitare
+
+Rectangle {
+    id: winOverlay
+    color: "black"
+    opacity: 0.8
+    visible: GameState.gameWon === true
+    anchors.fill: parent
+
+    Text {
+        id: winText
+
+        text: "YOU WON!"
+        font.pixelSize: 50
+        color: "white"
+        font.bold: true
+        anchors.horizontalCenter: parent.horizontalCenter
+        anchors.verticalCenter: parent.verticalCenter
+    }
+
+    Button {
+        text: "Restart"
+        onClicked: GameState.dealCards()
+        anchors.top: winText.bottom
+        anchors.horizontalCenter: parent.horizontalCenter
+    }
+}

qml/qml.qrc

@@ -8,6 +8,7 @@
     <file>../qml/ScoreBar.qml</file>
     <file>../qml/Tableau.qml</file>
     <file>../qml/ThrowawayPile.qml</file>
+    <file>../qml/WinOverlay.qml</file>
   </qresource>
 </RCC>
 <!-- vi: ft=xml