From 7bfc472ad3e5fd0b667ec44e748ade08604a7d79 Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlosg@gnome.org>
Date: Fri, 29 Oct 2021 12:29:51 +0200
Subject: [PATCH] clutter: Add specific event flag to tag "grab notify"
 crossing events

These events may need some differentiation or special handling, so add
this event flag and set it in the relevant events.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2068>
---
 clutter/clutter/clutter-enums.h | 1 +
 clutter/clutter/clutter-stage.c | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/clutter/clutter/clutter-enums.h b/clutter/clutter/clutter-enums.h
index 9177f1095..9ee55fb5c 100644
--- a/clutter/clutter/clutter-enums.h
+++ b/clutter/clutter/clutter-enums.h
@@ -804,6 +804,7 @@ typedef enum /*< flags prefix=CLUTTER_EVENT >*/
   CLUTTER_EVENT_FLAG_INPUT_METHOD = 1 << 1,
   CLUTTER_EVENT_FLAG_REPEATED     = 1 << 2,
   CLUTTER_EVENT_FLAG_RELATIVE_MOTION = 1 << 3,
+  CLUTTER_EVENT_FLAG_GRAB_NOTIFY  = 1 << 4,
 } ClutterEventFlags;
 
 /**
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index 449f61676..3ef7ba69e 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -3496,6 +3496,7 @@ create_crossing_event (ClutterStage         *stage,
                        ClutterInputDevice   *device,
                        ClutterEventSequence *sequence,
                        ClutterEventType      event_type,
+                       ClutterEventFlags     flags,
                        ClutterActor         *source,
                        ClutterActor         *related,
                        graphene_point_t      coords,
@@ -3505,7 +3506,7 @@ create_crossing_event (ClutterStage         *stage,
 
   event = clutter_event_new (event_type);
   event->crossing.time = time_ms;
-  event->crossing.flags = 0;
+  event->crossing.flags = flags;
   event->crossing.stage = stage;
   event->crossing.source = source;
   event->crossing.x = coords.x;
@@ -3583,6 +3584,7 @@ clutter_stage_update_device (ClutterStage         *stage,
           event = create_crossing_event (stage,
                                          device, sequence,
                                          CLUTTER_LEAVE,
+                                         CLUTTER_EVENT_NONE,
                                          old_actor, new_actor,
                                          point, time_ms);
           if (!_clutter_event_process_filters (event))
@@ -3596,6 +3598,7 @@ clutter_stage_update_device (ClutterStage         *stage,
           event = create_crossing_event (stage,
                                          device, sequence,
                                          CLUTTER_ENTER,
+                                         CLUTTER_EVENT_NONE,
                                          new_actor, old_actor,
                                          point, time_ms);
           if (!_clutter_event_process_filters (event))
@@ -3776,6 +3779,7 @@ clutter_stage_notify_grab_on_pointer_entry (ClutterStage       *stage,
                                      entry->device,
                                      entry->sequence,
                                      event_type,
+                                     CLUTTER_EVENT_FLAG_GRAB_NOTIFY,
                                      entry->current_actor,
                                      event_type == CLUTTER_LEAVE ?
                                      grab_actor : old_grab_actor,