[mutter] clutter: Also remove event sequences on TOUCH_CANCEL events

[verdre <jonasd src gnome org>]

commit cb0cc42651dcc6366dc88b37ff38eac1eef99e35
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Tue Mar 3 21:50:45 2020 +0100

    clutter: Also remove event sequences on TOUCH_CANCEL events
    
    We don't want to leave event sequences around when touches are
    cancelled, so also remove those from the ClutterInputDevice's hashtable.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1275

 clutter/clutter/clutter-main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/clutter/clutter/clutter-main.c b/clutter/clutter/clutter-main.c
index 84a10bb5d6..9db0809319 100644
--- a/clutter/clutter/clutter-main.c
+++ b/clutter/clutter/clutter-main.c
@@ -2049,7 +2049,8 @@ _clutter_process_event_details (ClutterActor        *stage,
 
                   emit_touch_event (event, device);
 
-                  if (event->type == CLUTTER_TOUCH_END)
+                  if (event->type == CLUTTER_TOUCH_END ||
+                      event->type == CLUTTER_TOUCH_CANCEL)
                     _clutter_input_device_remove_event_sequence (device, event);
 
                   break;
@@ -2084,7 +2085,8 @@ _clutter_process_event_details (ClutterActor        *stage,
 
           emit_touch_event (event, device);
 
-          if (event->type == CLUTTER_TOUCH_END)
+          if (event->type == CLUTTER_TOUCH_END ||
+              event->type == CLUTTER_TOUCH_CANCEL)
             _clutter_input_device_remove_event_sequence (device, event);
 
           break;