Explicitly execute code deactivating button focus from editor.py

qt/aqt/data/web/js/editor.ts

@@ -294,6 +294,14 @@ function wrappedExceptForWhitespace(text: string, front: string, back: string):
     return match[1] + front + match[2] + back + match[3];
 }
 
+function preventButtonFocus(): void {
+    for (const element of document.querySelectorAll("button.linkb")) {
+        element.addEventListener("mousedown", (evt: Event) => {
+            evt.preventDefault();
+        });
+    }
+}
+
 function disableButtons(): void {
     $("button.linkb:not(.perm)").prop("disabled", true);
 }
@@ -619,13 +627,6 @@ document.addEventListener("click", (evt: MouseEvent): void => {
     }
 });
 
-// prevent editor buttons from taking focus
-for (const element of document.querySelectorAll("button.linkb")) {
-    element.addEventListener("mousedown", (evt: Event) => {
-        evt.preventDefault();
-    });
-}
-
 window.addEventListener("resize", () => {
     adjustFieldsTopMargin();
 });

qt/aqt/editor.py

@@ -222,6 +222,7 @@ class Editor:
             js=["js/vendor/jquery.min.js", "js/editor.js"],
             context=self,
         )
+        self.web.eval("preventButtonFocus();")
 
     # Top buttons
     ######################################################################