fix(macos): override performKeyEquivalent only when creating child WebView

.changes/fix-macos-key-equivalent.md

@@ -0,0 +1,5 @@
+---
+"wry": patch
+---
+
+On macOS, fixed an issue of not being able to listen to the cmd+key event in javascript in single WebView.

src/wkwebview/mod.rs

@@ -398,15 +398,6 @@ impl InnerWebView {
  sel!(acceptsFirstMouse:),
  accept_first_mouse as extern "C" fn(&Object, Sel, id) -> BOOL,
  );
- decl.add_method(
- sel!(performKeyEquivalent:),
- key_equivalent as extern "C" fn(&mut Object, Sel, id) -> BOOL,
- );
-
- extern "C" fn key_equivalent(_this: &mut Object, _sel: Sel, _event: id) -> BOOL {
- NO
- }
-
  extern "C" fn accept_first_mouse(this: &Object, _sel: Sel, _event: id) -> BOOL {
  unsafe {
  let accept: bool = *this.get_ivar(ACCEPT_FIRST_MOUSE);
@@ -417,6 +408,21 @@ impl InnerWebView {
  }
  }
  }
+
+ // This is a temporary workaround for https://github.com/tauri-apps/tauri/issues/9426
+ // FIXME: When the webview is a child webview, performKeyEquivalent always return YES
+ // and stop propagating the event to the window, hence the menu shortcut won't be
+ // triggered. However, overriding this method also means the cmd+key event won't be
+ // handled in webview, which means the key cannot be listened by JavaScript.
+ if is_child {
+ decl.add_method(
+ sel!(performKeyEquivalent:),
+ key_equivalent as extern "C" fn(&mut Object, Sel, id) -> BOOL,
+ );
+ extern "C" fn key_equivalent(_this: &mut Object, _sel: Sel, _event: id) -> BOOL {
+ NO
+ }
+ }
  }
  decl.register()
  }