From 3005e5450339c6c3fbc1c7c67ab8008ed39ec864 Mon Sep 17 00:00:00 2001
From: "Ngo Iok Ui (Wu Yu Wei)" <yuweiwu@pm.me>
Date: Fri, 25 Nov 2022 14:30:28 +0800
Subject: [PATCH] On macOS, fix arrow keys misprint texts (#769)

* On macOS, fix arrow keys misprint texts

* Update mod.rs
---
 .changes/mac-arrow.md        | 6 ++++++
 src/webview/wkwebview/mod.rs | 8 ++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 .changes/mac-arrow.md

diff --git a/.changes/mac-arrow.md b/.changes/mac-arrow.md
new file mode 100644
index 000000000..9b7194243
--- /dev/null
+++ b/.changes/mac-arrow.md
@@ -0,0 +1,6 @@
+---
+"wry": patch
+---
+
+On macOS, fix arrow keys misprint text on textarea.
+
diff --git a/src/webview/wkwebview/mod.rs b/src/webview/wkwebview/mod.rs
index 4d90ab78d..246c9ab53 100644
--- a/src/webview/wkwebview/mod.rs
+++ b/src/webview/wkwebview/mod.rs
@@ -307,8 +307,12 @@ impl InnerWebView {
             // So we pass the event to menu if we have one
             extern "C" fn key_down(this: &mut Object, _: Sel, event: id) {
               unsafe {
-                let superclass: *const Class = msg_send![this, superclass];
-                let () = msg_send![super(this, &*superclass), keyDown: event];
+                let keycode: u16 = msg_send![event, keyCode];
+                // Arrow keys are handled by other event chains
+                if !(123..=126).contains(&keycode) {
+                  let superclass: *const Class = msg_send![this, superclass];
+                  let () = msg_send![super(this, &*superclass), keyDown: event];
+                }
 
                 let app = cocoa::appkit::NSApp();
                 let menu: id = msg_send![app, mainMenu];