[gnome-shell/wip/carlosg/no-event-source: 7/7] st: Move StWidget away from clutter_event_get_source()

[Carlos Garnacho <carlosg src gnome org>]

commit 7ea188d3d097f12eae49e3dbaa95d2971bfa7fd3
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Feb 25 16:13:16 2022 +0100

    st: Move StWidget away from clutter_event_get_source()
    
    Ask the stage about the device actor instead for hover tracking.

 src/st/st-widget.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
---
diff --git a/src/st/st-widget.c b/src/st/st-widget.c
index e131a5108a..e9a1ef9012 100644
--- a/src/st/st-widget.c
+++ b/src/st/st-widget.c
@@ -692,7 +692,17 @@ st_widget_enter (ClutterActor         *actor,
 
   if (priv->track_hover)
     {
-      if (clutter_actor_contains (actor, event->source))
+      ClutterStage *stage;
+      ClutterInputDevice *device;
+      ClutterEventSequence *sequence;
+      ClutterActor *target;
+
+      stage = clutter_event_get_stage ((ClutterEvent *) event);
+      device = clutter_event_get_device ((ClutterEvent *) event);
+      sequence = clutter_event_get_event_sequence ((ClutterEvent *) event);
+      target = clutter_stage_get_device_actor (stage, device, sequence);
+
+      if (clutter_actor_contains (actor, target))
         st_widget_set_hover (ST_WIDGET (actor), TRUE);
       else
         {