From a283faf998cd32332ae3337ca07856c3881ab92e Mon Sep 17 00:00:00 2001
From: Miltiadis Vasilakis <mvasilak@gmail.com>
Date: Tue, 3 Dec 2024 16:54:41 +0200
Subject: [PATCH] Adjust free text annotation size when text editing ends

---
 .../PDF/Views/FreeTextAnnotationView.swift       | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Zotero/Scenes/Detail/PDF/Views/FreeTextAnnotationView.swift b/Zotero/Scenes/Detail/PDF/Views/FreeTextAnnotationView.swift
index 8b7e86d9f..0add9e4d7 100644
--- a/Zotero/Scenes/Detail/PDF/Views/FreeTextAnnotationView.swift
+++ b/Zotero/Scenes/Detail/PDF/Views/FreeTextAnnotationView.swift
@@ -37,6 +37,22 @@ final class FreeTextAnnotationView: PSPDFKitUI.FreeTextAnnotationView {
     }
 }
 
+extension FreeTextAnnotationView {
+    override func textViewDidEndEditing(_ textView: UITextView) {
+        guard let annotation = annotation as? FreeTextAnnotation else { return }
+        let previousTextBoundingBox = annotation.textBoundingBox
+        super.textViewDidEndEditing(textView)
+        annotation.sizeToFit()
+        var newTextBoundingBox = annotation.textBoundingBox
+        let minX = min(previousTextBoundingBox.minX, newTextBoundingBox.minX)
+        let maxX = max(previousTextBoundingBox.maxX, newTextBoundingBox.maxX)
+        let minY = min(previousTextBoundingBox.minY, newTextBoundingBox.minY)
+        let maxY = max(previousTextBoundingBox.maxY, newTextBoundingBox.maxY)
+        annotation.textBoundingBox = CGRect(x: minX, y: minY, width: maxX - minX, height: maxY - minY)
+        NotificationCenter.default.post(name: .PSPDFAnnotationChanged, object: annotation, userInfo: [PSPDFAnnotationChangedNotificationKeyPathKey: ["boundingBox", "fontSize"]])
+    }
+}
+
 final class FreeTextInputAccessory: UIView {
     private weak var delegate: FreeTextInputDelegate?
     private weak var sizePicker: FontSizeView?