LibGUI: Only dispatch Leave if the now-hovered widget isn't a child

Without this change, when the mouse starts hovering over a child widget, the parent would receive a Leave event despite the parent widget not losing mouse hover.
Author: https://github.com/sin-ack Commit: cfc9ee6f16 Pull-request: https://github.com/SerenityOS/serenity/pull/9014 Reviewed-by: https://github.com/alimpfard ✅
2025-08-01 21:59:07 +00:00 · 2021-07-25 21:09:54 +00:00 · 2021-07-25 21:09:54 +00:00 · cfc9ee6f16 · 2024-07-18 08:18:22 +09:00
commit cfc9ee6f16
parent 444ed56521
3 changed files with 19 additions and 1 deletions
--- a/Userland/Libraries/LibGUI/Widget.h
+++ b/Userland/Libraries/LibGUI/Widget.h
@ -280,6 +280,8 @@ public:

    bool has_pending_drop() const;

+    bool is_parent_of(Widget const*) const;
+
 protected:
    Widget();