From 70ff55c1aa69ed59cd2a78d865e1cb398ef2a4ba Mon Sep 17 00:00:00 2001
From: Lucas Fernandes Nogueira <lucas@tauri.studio>
Date: Wed, 20 Apr 2022 07:30:59 -0700
Subject: [PATCH] fix(core): panic on menu event with minimized windows, closes
 #3902 (#3918)

---
 .changes/fix-menu-event-macos.md  |  6 ++++++
 core/tauri-runtime-wry/src/lib.rs | 13 ++++++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 .changes/fix-menu-event-macos.md

diff --git a/.changes/fix-menu-event-macos.md b/.changes/fix-menu-event-macos.md
new file mode 100644
index 000000000..a6f777061
--- /dev/null
+++ b/.changes/fix-menu-event-macos.md
@@ -0,0 +1,6 @@
+---
+"tauri": patch
+"tauri-runtime-wry": patch
+---
+
+Fixes a panic when a menu event is triggered when all windows are minimized on macOS.
diff --git a/core/tauri-runtime-wry/src/lib.rs b/core/tauri-runtime-wry/src/lib.rs
index 006236143..069da7572 100644
--- a/core/tauri-runtime-wry/src/lib.rs
+++ b/core/tauri-runtime-wry/src/lib.rs
@@ -2395,7 +2395,18 @@ fn handle_event_loop<T: UserEvent>(
       origin: MenuType::MenuBar,
       ..
     } => {
-      let window_id = window_id.unwrap(); // always Some on MenuBar event
+      #[allow(unused_mut)]
+      let mut window_id = window_id.unwrap(); // always Some on MenuBar event
+
+      #[cfg(target_os = "macos")]
+      {
+        // safety: we're only checking to see if the window_id is 0
+        // which is the value sent by macOS when the window is minimized (NSApplication::sharedApplication::mainWindow is null)
+        if window_id == unsafe { WindowId::dummy() } {
+          window_id = *webview_id_map.0.lock().unwrap().keys().next().unwrap();
+        }
+      }
+
       let event = MenuEvent {
         menu_item_id: menu_id.0,
       };