From cdcc6a05ddb15fb2573299a6f72d2a15c9db4c91 Mon Sep 17 00:00:00 2001
From: culler <culler>
Date: Wed, 31 Jul 2024 12:23:06 +0000
Subject: Fix [7a17cfd1b5]: with windows hires scrolling, sign extension was
 causing deltax to be -1 whenever deltay was negative.

---
 win/tkWinX.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/win/tkWinX.c b/win/tkWinX.c
index 656e142..c61601b 100644
--- a/win/tkWinX.c
+++ b/win/tkWinX.c
@@ -1165,7 +1165,7 @@ GenerateXEvent(
 		event.key.nbytes = 0;
 		event.x.xkey.state = state;
 		event.x.xany.serial = scrollCounter++;
-		event.x.xkey.keycode = (unsigned int) delta;
+		event.x.xkey.keycode = (unsigned int) (delta & 0xffff);
 	    } else {
 		event.x.type = MouseWheelEvent;
 		event.x.xany.send_event = -1;
-- 
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