[mutter/wip/carlosg/grabs-pt1: 23/23] clutter: Add specific event flag to tag "grab notify" crossing events

[Carlos Garnacho <carlosg src gnome org>]

commit ef7279d7e00987efa54d44f2f9191f351ed27857
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Oct 29 12:29:51 2021 +0200

    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.

 clutter/clutter/clutter-enums.h | 1 +
 clutter/clutter/clutter-stage.c | 8 +++++---
 2 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/clutter/clutter/clutter-enums.h b/clutter/clutter/clutter-enums.h
index b9f23ab63f..07ab738d33 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 b4057b7760..6ebcddbe30 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -3462,6 +3462,7 @@ create_crossing_event (ClutterStage         *stage,
                        ClutterInputDevice   *device,
                        ClutterEventSequence *sequence,
                        ClutterEventType      event_type,
+                       ClutterEventFlags     flags,
                        ClutterActor         *source,
                        ClutterActor         *related,
                        graphene_point_t      coords,
@@ -3471,7 +3472,7 @@ create_crossing_event (ClutterStage         *stage,
 
   event = clutter_event_new (event_type);
   event->crossing.time = time;
-  event->crossing.flags = 0;
+  event->crossing.flags = flags;
   event->crossing.stage = stage;
   event->crossing.source = source;
   event->crossing.x = coords.x;
@@ -3540,7 +3541,7 @@ clutter_stage_update_device (ClutterStage         *stage,
         {
           event = create_crossing_event (stage,
                                          device, sequence,
-                                         CLUTTER_LEAVE,
+                                         CLUTTER_LEAVE, 0,
                                          old_actor, new_actor,
                                          point, time);
           _clutter_actor_handle_event (old_actor, root, event);
@@ -3552,7 +3553,7 @@ clutter_stage_update_device (ClutterStage         *stage,
         {
           event = create_crossing_event (stage,
                                          device, sequence,
-                                         CLUTTER_ENTER,
+                                         CLUTTER_ENTER, 0,
                                          new_actor, old_actor,
                                          point, time);
           _clutter_actor_handle_event (new_actor, root, event);
@@ -3670,6 +3671,7 @@ clutter_stage_notify_grab_on_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,