From 410120a5896553074fc9932828a4afddb60fcce5 Mon Sep 17 00:00:00 2001
From: Matt Van Horn <455140+mvanhorn@users.noreply.github.com>
Date: Wed, 1 Jul 2026 00:36:59 -0700
Subject: [PATCH] Fix Tags table scroll staying disabled after backgrounding

The POI Common Tags and All Tags tables could become permanently
unscrollable. When the autocomplete completion overlay appears on
iOS 26+, AutocompleteTextField disables the enclosing table view's
scrolling so the overlay owns it, restoring it only when the overlay
is torn down. If the app resigned active (e.g. switching to Safari)
while the overlay was showing, the teardown path never ran and the
Tags table was left with isScrollEnabled = false.

Dismiss the completion overlay on UIApplication.willResignActive so
scrolling is restored before backgrounding, and defensively re-enable
the enclosing table view's scrolling when editing ends.

Fixes #867
---
 src/iOS/CustomViews/AutocompleteTextField.swift | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/iOS/CustomViews/AutocompleteTextField.swift b/src/iOS/CustomViews/AutocompleteTextField.swift
index c176c1834..667a16724 100644
--- a/src/iOS/CustomViews/AutocompleteTextField.swift
+++ b/src/iOS/CustomViews/AutocompleteTextField.swift
@@ -34,6 +34,11 @@ class AutocompleteTextField: UITextField, UITextFieldDelegate, UITableViewDataSo
 			selector: #selector(keyboardWillChange(_:)),
 			name: UIResponder.keyboardWillChangeFrameNotification,
 			object: nil)
+		NotificationCenter.default.addObserver(
+			self,
+			selector: #selector(appWillResignActive(_:)),
+			name: UIApplication.willResignActiveNotification,
+			object: nil)
 
 		super.delegate = self
 	}
@@ -127,6 +132,12 @@ class AutocompleteTextField: UITextField, UITextFieldDelegate, UITableViewDataSo
 		}
 	}
 
+	@objc func appWillResignActive(_ nsNotification: Notification) {
+		guard !filteredCompletions.isEmpty else { return }
+
+		clearFilteredCompletionsInternal()
+	}
+
 	func frameForCompletionTableView() -> CGRect {
 		guard let cell = superviewOfType(UITableViewCell.self),
 		      let tableView = cell.superviewOfType(UITableView.self)
@@ -274,6 +285,12 @@ class AutocompleteTextField: UITextField, UITextFieldDelegate, UITableViewDataSo
 	func textFieldDidEndEditing(_ textField: UITextField) {
 		clearFilteredCompletionsInternal()
 
+		if let cell = superviewOfType(UITableViewCell.self),
+		   let tableView = cell.superviewOfType(UITableView.self)
+		{
+			tableView.isScrollEnabled = true
+		}
+
 		realDelegate?.textFieldDidEndEditing?(textField)
 	}