Update package

Author: vmanot

Sources/SwiftUIX/Intermodular/Helpers/AppKit or UIKit/AppKitOrUIKitResponder++.swift

@@ -30,6 +30,18 @@ extension AppKitOrUIKitResponder {
         _SwiftUIX_nearestResponder(where: { $0.isFirstResponder })
     }
 
+    public var _SwiftUIX_nearestWindow: AppKitOrUIKitWindow? {
+        if let controller = self as? UIViewController {
+            return controller.view._SwiftUIX_nearestWindow
+        } else if let view = self as? UIView {
+            return view.window ?? view.superview?._SwiftUIX_nearestWindow
+        } else {
+            assertionFailure()
+            
+            return nil
+        }
+    }
+    
     public func _SwiftUIX_nearestResponder(
         where predicate: (AppKitOrUIKitResponder) throws -> Bool
     ) rethrows -> AppKitOrUIKitResponder? {
@@ -81,9 +93,9 @@ extension AppKitOrUIKitResponder {
 
     public var _SwiftUIX_nearestWindow: AppKitOrUIKitWindow? {
         if let controller = self as? NSViewController {
-            return controller.view.window
+            return controller.view._SwiftUIX_nearestWindow
         } else if let view = self as? NSView {
-            return view.window ?? view.superview?.window
+            return view.window ?? view.superview?._SwiftUIX_nearestWindow
         } else {
             assertionFailure()
 

Sources/SwiftUIX/Intermodular/Helpers/Quartz/_QuickLookPreviewPanelPresenter.swift

@@ -37,7 +37,9 @@ private struct _QuickLookPreviewPanelPresenter: NSViewRepresentable {
         context.coordinator.isPresented = isPresented
 
         if isPresented.wrappedValue {
-            context.coordinator.show()
+            if !context.coordinator.isPanelVisible {
+                context.coordinator.show()
+            }
         } else {
             context.coordinator.hide()
         }
@@ -103,6 +105,10 @@ extension _QuickLookPreviewPanelPresenter {
         fileprivate var previewPanel: QLPreviewPanel?
         fileprivate var previewItems: [QLPreviewItem]?
 
+        fileprivate var isPanelVisible: Bool {
+            QLPreviewPanel.sharedPreviewPanelExists() && previewPanel?.isVisible == true
+        }
+
         fileprivate init(isPresented: Binding<Bool>) {
             self.isPresented = isPresented
 
@@ -117,7 +123,11 @@ extension _QuickLookPreviewPanelPresenter {
         }
 
         fileprivate func show() {
-            let panel = self.setupPreviewPanel()
+            let panel = self.setupPreviewPanelIfNecessary()
+            
+            guard !isPanelVisible else {
+                return
+            }
 
             panel.makeKeyAndOrderFront(nil)
         }
@@ -127,7 +137,7 @@ extension _QuickLookPreviewPanelPresenter {
         }
 
         @discardableResult
-        private func setupPreviewPanel() -> QLPreviewPanel {
+        private func setupPreviewPanelIfNecessary() -> QLPreviewPanel {
             if let previewPanel {
                 return previewPanel
             }