Store column property to avoid repetition

Main.qml

@@ -98,8 +98,10 @@ ApplicationWindow {
                     model: gameState.columns[parent.index].length
                     delegate: CardModel {
                         required property int index
-                        card: gameState.columns[parent.index][index].card
-                        isFaceDown: !gameState.columns[parent.index][index].revealed
+                        property ColumnSlot col: gameState.columns[parent.index][index]
+
+                        card: col.card
+                        isFaceDown: !col.revealed
                     }
                 }
             }

main.cpp

@@ -16,6 +16,7 @@ int main(int argc, char *argv[])
         Qt::QueuedConnection);
 
     qmlRegisterUncreatableType<PlayingCard>("Solitare", 1, 0, "PlayingCard", "PlayingCard cannot be directly created in QML. Use C++ logic to instantiate.");
+    qmlRegisterUncreatableType<ColumnSlot>("Solitare", 1, 0, "ColumnSlot", "ColumnSlot cannot be directly created in QML. Use C++ logic to instantiate.");
 
     GameState gameState;
     gameState.dealCards();