From: Po Lu <luangruo@yahoo.com>
Date: Fri, 3 Dec 2021 06:31:20 +0000 (+0800)
Subject: Send scroll stop events to xwidgets when built with XInput 2
X-Git-Tag: emacs-29.0.90~3619^2~40^2~1
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ba063f8141e6bdbd3865ff9af1aa6b390b5b05fe;p=emacs.git

Send scroll stop events to xwidgets when built with XInput 2

* src/xwidget.c (xwidget_scroll): Set xg_event->scroll.is_stop
when appropriate.
---

diff --git a/src/xwidget.c b/src/xwidget.c
index a5b96d01100..9b9f364ce40 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -1098,6 +1098,9 @@ xwidget_scroll (struct xwidget_view *view, double x, double y,
   xg_event->scroll.delta_y = dy;
   xg_event->scroll.device = find_suitable_pointer (view->frame);
 
+  if (!(fabs (dx) > 0) || !(fabs (dy) > 0))
+    xg_event->scroll.is_stop = TRUE;
+
   g_object_ref (xg_event->any.window);
 
   gtk_main_do_event (xg_event);