2 files changed, 33 insertions, 0 deletions
diff --git a/Sora/Views/Post/Details/PostDetailsCarouselView.swift b/Sora/Views/Post/Details/PostDetailsCarouselView.swift
index 378b9cc..de14477 100644
--- a/Sora/Views/Post/Details/PostDetailsCarouselView.swift
+++ b/Sora/Views/Post/Details/PostDetailsCarouselView.swift
@@ -7,6 +7,7 @@ struct PostDetailsCarouselView: View {
   let focusedPost: BooruPost?
   @Binding var loadingStage: BooruPostLoadingState
   @State private var currentIndex: Int
+  private let cacheManager = ImageCacheManager.shared
 
   init(
     posts: [BooruPost],
@@ -61,9 +62,29 @@ struct PostDetailsCarouselView: View {
     }
     .onChange(of: currentIndex) {
       if currentIndex == posts.count - 1 { manager.loadNextPage() }
+
+      preloadNearbyImages()
     }
+    .onAppear(perform: preloadNearbyImages)
     #if !os(macOS)
       .tabViewStyle(PageTabViewStyle(indexDisplayMode: .never))
     #endif
   }
+
+  private func preloadNearbyImages() {
+    let preloadRange = settings.preloadedCarouselImages
+    let startIndex = max(0, currentIndex - preloadRange)
+    let endIndex = min(posts.count - 1, currentIndex + preloadRange)
+    var urlsToPreload: [URL] = []
+
+    for index in startIndex...endIndex {
+      if let url = imageURL(post: posts[index]) {
+        urlsToPreload.append(url)
+      }
+
+      urlsToPreload.append(posts[index].previewURL)
+    }
+
+    cacheManager.preloadImages(urlsToPreload)
+  }
 }
diff --git a/Sora/Views/Settings/Section/SettingsDetailsView.swift b/Sora/Views/Settings/Section/SettingsDetailsView.swift
index 5abd394..885ef6f 100644
--- a/Sora/Views/Settings/Section/SettingsDetailsView.swift
+++ b/Sora/Views/Settings/Section/SettingsDetailsView.swift
@@ -21,5 +21,17 @@ struct SettingsDetailsView: View {
         Text("Saves post tags in a file alongside the downloaded image.")
       }
     #endif
+
+    #if os(macOS)
+      Picker("Preloaded Images", selection: $settings.preloadedCarouselImages) {
+        ForEach(1...10, id: \.self) { columns in Text("\(columns)") }
+      }
+    #else
+      Stepper(
+        "Preloaded Images: \(settings.preloadedCarouselImages)",
+        value: $settings.preloadedCarouselImages,
+        in: 1...10
+      )
+    #endif
   }
 }