fix customizing widgets not working

Shared/views/CustomIcon/CreateWidgetView.swift

@@ -16,7 +16,7 @@ struct CreateWidgetView: View {
     
     @State private var mouth: CustomWidgetMouthOptions = CustomWidgetMouthOptions.defaultOption
     
-    @State var widgetView: CustomWidgetView
+    var widgetView: CustomWidgetView
     
     private var randomElements: [AnyView]
     
@@ -38,7 +38,7 @@ struct CreateWidgetView: View {
         
         _customWidget = StateObject(wrappedValue: customWidget)
         
-        _widgetView = State(initialValue:CustomWidgetView(customWidgetModel: customWidget))
+        widgetView = CustomWidgetView(customWidgetModel: customWidget)
     }
     
     func update(eye: CustomWidgetEyes, eyeOption: CustomWidgetEyeOptions) {
@@ -48,8 +48,6 @@ struct CreateWidgetView: View {
         case .right:
             customWidget.rightEye = eyeOption
         }
-        
-        widgetView = CustomWidgetView(customWidgetModel: customWidget)
     }
     
     func createRandom() {
@@ -66,18 +64,14 @@ struct CreateWidgetView: View {
         update(mouthOption: CustomWidgetMouthOptions.allCases.randomElement()!)
         
         update(background: CustomWidgetBackGroundOptions.allCases.randomElement()!)
-        
-        widgetView = CustomWidgetView(customWidgetModel: customWidget)
     }
     
     func update(mouthOption: CustomWidgetMouthOptions) {
         customWidget.mouth = mouthOption
-        widgetView = CustomWidgetView(customWidgetModel: customWidget)
     }
     
     func update(background: CustomWidgetBackGroundOptions) {
         customWidget.background = background
-        widgetView = CustomWidgetView(customWidgetModel: customWidget)
     }
     
     var mixBG: some View {

Shared/views/CustomWidget/CustomWidgetModel.swift

@@ -79,21 +79,32 @@ class CustomWidgetModel: ObservableObject, Codable, NSCopying {
     @Published var isSaved: Bool
     @Published var createdDate: Date
     
+    private var oldBackground: CustomWidgetBackGroundOptions?
+    private var oldBackgroundImages: [(Image, String)]?
+    
     public var backgroundImages : [(Image, String)] {
+        if let oldBackgroundImages = oldBackgroundImages,
+           oldBackground == background  {
+            return oldBackgroundImages
+        }
+        
+        oldBackground = background
+        
         if background == .random {
             var blah = [(Image, String)]()
             for _ in 0...CustomWidgetModel.numberOfBGItems {
                 let image = CustomWidgetBackGroundOptions.selectable.randomElement()?.image ?? CustomWidgetBackGroundOptions.defaultOption.image
                 blah.append((image, UUID().uuidString))
             }
-            return blah
+            oldBackgroundImages = blah
         } else {
             var blah = [(Image, String)]()
             for _ in 0...CustomWidgetModel.numberOfBGItems {
                 blah.append((background.image, UUID().uuidString))
             }
-            return blah
+            oldBackgroundImages = blah
         }
+        return oldBackgroundImages!
     }
     
     enum CodingKeys: CodingKey {

Shared/views/CustomWidget/CustomWidgetView.swift

@@ -8,7 +8,7 @@
 import SwiftUI
 
 struct CustomWidgetView: View {
-    @State public var customWidgetModel: CustomWidgetModel
+    @StateObject public var customWidgetModel: CustomWidgetModel
     
     private let facePercSize = 0.6