code: Unset tabIndex upon assigning -1

The value of -1 for tabIndex always means that it's unset, even in AVM1 where tabIndex may have a value of `undefined`.
ruffle-rs · Apr 30, 2024 · f40cb64 · f40cb64
1 parent 054d0aa
commit f40cb64
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/core/src/display_object/interactive.rs b/core/src/display_object/interactive.rs
@@ -646,6 +646,12 @@ pub trait TInteractiveObject<'gc>:
     }
 
     fn set_tab_index(&self, context: &mut UpdateContext<'_, 'gc>, value: Option<i32>) {
+        // tabIndex = -1 is always equivalent to unset tabIndex
+        let value = if matches!(value, Some(-1)) {
+            None
+        } else {
+            value
+        };
         self.raw_interactive_mut(context.gc()).tab_index = value
     }
 }