From 69527abb6fb0b90ac9a681681c64f3210878a188 Mon Sep 17 00:00:00 2001
From: PeterN <peter1138@openttd.org>
Date: Thu, 22 Sep 2022 20:38:11 +0100
Subject: [PATCH] Fix 9aef7b8c: Don't dispatch hover event if already hovering.
 (#10042)

This fixes the timed tooltip window being (invisibly) destroyed and
reconstructed every frame.

This also affects the unused OnHover() window event.
---
 src/window.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/window.cpp b/src/window.cpp
index d07b597e40..96cc5b3b97 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -2966,7 +2966,7 @@ void HandleMouseEvents()
 			hover_pos = _cursor.pos;
 			hover_time = std::chrono::steady_clock::now();
 			_mouse_hovering = false;
-		} else {
+		} else if (!_mouse_hovering) {
 			if (std::chrono::steady_clock::now() > hover_time + std::chrono::milliseconds(_settings_client.gui.hover_delay_ms)) {
 				click = MC_HOVER;
 				_input_events_this_tick++;