Fix clicks on the file preview overlay reaching home page cards.

Hide underlying content while the overlay is open and block hit-testing so the back button and other controls no longer activate icons underneath.

Co-authored-by: Cursor <cursoragent@cursor.com>

smart_printer/FilePreviewView.swift

@@ -18,6 +18,8 @@ enum FilePreviewService {
 final class FilePreviewOverlayView: NSView, AppearanceRefreshable {
     var onDismiss: (() -> Void)?
 
+    override var mouseDownCanMoveWindow: Bool { false }
+
     private let urls: [URL]
     private var currentIndex = 0
     private var securityAccess: [URL: Bool] = [:]
@@ -66,19 +68,30 @@ final class FilePreviewOverlayView: NSView, AppearanceRefreshable {
     }
 
     func present(in parent: NSView) {
-        guard superview == nil else { return }
-        parent.addSubview(self)
-        NSLayoutConstraint.activate([
-            leadingAnchor.constraint(equalTo: parent.leadingAnchor),
-            trailingAnchor.constraint(equalTo: parent.trailingAnchor),
-            topAnchor.constraint(equalTo: parent.topAnchor),
-            bottomAnchor.constraint(equalTo: parent.bottomAnchor),
-        ])
-        alphaValue = 0
-        NSAnimationContext.runAnimationGroup { context in
-            context.duration = 0.2
-            animator().alphaValue = 1
+        if superview == nil {
+            parent.addSubview(self)
+            NSLayoutConstraint.activate([
+                leadingAnchor.constraint(equalTo: parent.leadingAnchor),
+                trailingAnchor.constraint(equalTo: parent.trailingAnchor),
+                topAnchor.constraint(equalTo: parent.topAnchor),
+                bottomAnchor.constraint(equalTo: parent.bottomAnchor),
+            ])
+            alphaValue = 0
+            NSAnimationContext.runAnimationGroup { context in
+                context.duration = 0.2
+                animator().alphaValue = 1
+            }
+        } else {
+            parent.addSubview(self, positioned: .above, relativeTo: nil)
+            alphaValue = 1
         }
+        window?.makeFirstResponder(nil)
+    }
+
+    override func hitTest(_ point: NSPoint) -> NSView? {
+        let hit = super.hitTest(point)
+        if hit != nil { return hit }
+        return bounds.contains(point) ? self : nil
     }
 
     func dismiss(animated: Bool = true) {
@@ -253,6 +266,8 @@ final class FilePreviewOverlayView: NSView, AppearanceRefreshable {
 private final class FileToolbarButton: NSControl, AppearanceRefreshable {
     var onClick: (() -> Void)?
 
+    override var acceptsFirstResponder: Bool { false }
+
     private let iconView = NSImageView()
 
     init(symbolName: String, accessibilityLabel: String) {

smart_printer/ViewController.swift

@@ -265,9 +265,12 @@ class ViewController: NSViewController {
         scanFileOverlay?.dismiss(animated: false)
         dismissScannerOverlay()
 
+        contentContainer.isHidden = true
+
         let overlay = FilePreviewOverlayView(urls: urls)
         overlay.onDismiss = { [weak self] in
             self?.filePreviewOverlay = nil
+            self?.restoreContentAfterOverlay()
         }
         filePreviewOverlay = overlay
         overlay.present(in: mainContentView)