Enable focus loop debugging in debug

Tusker.xcodeproj/project.pbxproj

@@ -2573,6 +2573,10 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SUPPORTS_MACCATALYST = YES;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				"SWIFT_ACTIVE_COMPILATION_CONDITIONS[sdk=iphoneos15.0]" = "SDK_IOS_15 $(inherited)";
+				"SWIFT_ACTIVE_COMPILATION_CONDITIONS[sdk=iphonesimulator15.0]" = "SDK_IOS_15 $(inherited)";
+				"SWIFT_ACTIVE_COMPILATION_CONDITIONS[sdk=macosx12.0]" = "SDK_IOS_15 $(inherited)";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2,6";
 			};

Tusker.xcodeproj/xcshareddata/xcschemes/Tusker.xcscheme

@@ -88,6 +88,10 @@
             argument = "-com.apple.CoreData.ConcurrencyDebug 1"
             isEnabled = "YES">
          </CommandLineArgument>
+         <CommandLineArgument
+            argument = "-UIFocusLoopDebuggerEnabled YES"
+            isEnabled = "YES">
+         </CommandLineArgument>
       </CommandLineArguments>
       <EnvironmentVariables>
          <EnvironmentVariable

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -448,6 +448,20 @@ extension MainSidebarViewController: UICollectionViewDelegate {
             sidebarDelegate?.sidebar(self, didSelectItem: item)
         }
     }
+    
+    @available(iOS 15.0, *)
+    func collectionView(_ collectionView: UICollectionView, selectionFollowsFocusForItemAt indexPath: IndexPath) -> Bool {
+        guard let item = dataSource.itemIdentifier(for: indexPath) else {
+            return true
+        }
+        // don't immediately select items that present VCs when the they're focused, only when deliberately selected
+        switch item {
+        case .tab(.compose), .addList, .addSavedHashtag, .addSavedInstance:
+            return false
+        default:
+            return true
+        }
+    }
 }
 
 extension MainSidebarViewController: UICollectionViewDragDelegate {

Tusker/Views/Poll/StatusPollView.swift

@@ -33,6 +33,10 @@ class StatusPollView: UIView {
     private var animator: UIViewPropertyAnimator!
     private var currentSelectedOptionIndex: Int!
     
+    var isTracking: Bool {
+        optionsView.isTracking
+    }
+    
     override func awakeFromNib() {
         super.awakeFromNib()
         

Tusker/Views/Status/TimelineStatusTableViewCell.swift

@@ -326,8 +326,11 @@ extension TimelineStatusTableViewCell: TableViewSwipeActionProvider {
 
 extension TimelineStatusTableViewCell: DraggableTableViewCell {
     func dragItemsForBeginning(session: UIDragSession) -> [UIDragItem] {
+        // the poll options view is tracking while the user is dragging between options
+        // while that's happening, don't initiate a drag
         guard let status = mastodonController.persistentContainer.status(for: statusID),
-              let accountID = mastodonController.accountInfo?.id else {
+              let accountID = mastodonController.accountInfo?.id,
+              !pollView.isTracking else {
             return []
         }
         let provider = NSItemProvider(object: status.url! as NSURL)