From 96251eeac73433a03aa3a317e6327717e8a1fb9e Mon Sep 17 00:00:00 2001
From: Yu-Wei Wu <wusyong9104@gmail.com>
Date: Thu, 2 Dec 2021 14:49:42 +0800
Subject: [PATCH] Change the widget that triggers enter/left event

---
 src/platform_impl/linux/event_loop.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/platform_impl/linux/event_loop.rs b/src/platform_impl/linux/event_loop.rs
index 105562769c..070c029e19 100644
--- a/src/platform_impl/linux/event_loop.rs
+++ b/src/platform_impl/linux/event_loop.rs
@@ -286,6 +286,7 @@ impl<T: 'static> EventLoop<T> {
             };
           }
           WindowRequest::WireUpEvents => {
+            let vbox = window.children().pop().unwrap().downcast::<gtk::Box>().unwrap();
             // Resizing `decorations: false` aka borderless
             window.add_events(
               EventMask::POINTER_MOTION_MASK
@@ -430,7 +431,7 @@ impl<T: 'static> EventLoop<T> {
             });
 
             let tx_clone = event_tx.clone();
-            window.connect_enter_notify_event(move |_, _| {
+            vbox.connect_enter_notify_event(move |_, _| {
               if let Err(e) = tx_clone.send(Event::WindowEvent {
                 window_id: RootWindowId(id),
                 event: WindowEvent::CursorEntered {
@@ -463,7 +464,7 @@ impl<T: 'static> EventLoop<T> {
             });
 
             let tx_clone = event_tx.clone();
-            window.connect_leave_notify_event(move |_, _| {
+            vbox.connect_leave_notify_event(move |_, _| {
               if let Err(e) = tx_clone.send(Event::WindowEvent {
                 window_id: RootWindowId(id),
                 event: WindowEvent::CursorLeft {