[mutter/wip/carlosg/there-can-be-only-one: 7/10] backends/x11: Drop handling of XI_DeviceChange




commit 0f65903f4e8c347ada6da040833f3783b8489c2d
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Jan 13 14:06:30 2022 +0100

    backends/x11: Drop handling of XI_DeviceChange
    
    Even though it's great that XI2 has an event to notify about device
    changes, this is something we can let the MetaBackend code handle
    consistently for all backends, since looking for the source device
    works everywhere.

 src/backends/x11/meta-backend-x11.c | 29 +----------------------------
 1 file changed, 1 insertion(+), 28 deletions(-)
---
diff --git a/src/backends/x11/meta-backend-x11.c b/src/backends/x11/meta-backend-x11.c
index 80efb6e41d..a77432b110 100644
--- a/src/backends/x11/meta-backend-x11.c
+++ b/src/backends/x11/meta-backend-x11.c
@@ -247,30 +247,6 @@ translate_crossing_event (MetaBackendX11 *x11,
   meta_backend_x11_translate_crossing_event (x11, enter_event);
 }
 
-static void
-handle_device_change (MetaBackendX11 *x11,
-                      XIEvent        *event)
-{
-  XIDeviceChangedEvent *device_changed;
-  ClutterInputDevice *device;
-  ClutterBackend *backend;
-  ClutterSeat *seat;
-
-  if (event->evtype != XI_DeviceChanged)
-    return;
-
-  device_changed = (XIDeviceChangedEvent *) event;
-
-  if (device_changed->reason != XISlaveSwitch)
-    return;
-
-  backend = meta_backend_get_clutter_backend (META_BACKEND (x11));
-  seat = clutter_backend_get_default_seat (backend);
-  device = meta_seat_x11_lookup_device_id (META_SEAT_X11 (seat),
-                                           device_changed->sourceid);
-  meta_backend_update_last_device (META_BACKEND (x11), device);
-}
-
 /* Clutter makes the assumption that there is only one X window
  * per stage, which is a valid assumption to make for a generic
  * application toolkit. As such, it will ignore any events sent
@@ -319,10 +295,7 @@ handle_input_event (MetaBackendX11 *x11,
     {
       XIEvent *input_event = (XIEvent *) event->xcookie.data;
 
-      if (input_event->evtype == XI_DeviceChanged)
-        handle_device_change (x11, input_event);
-      else
-        maybe_spoof_event_as_stage_event (x11, input_event);
+      maybe_spoof_event_as_stage_event (x11, input_event);
     }
 }
 


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