backends: Move warp_pointer() to ClutterSeat

The onscreen pointer sprite is a per-seat element, so it makes sense
to move pointer warping over there too.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/852

src/backends/native/meta-backend-native.c

@@ -403,25 +403,6 @@ meta_backend_native_create_input_settings (MetaBackend *backend)
   return g_object_new (META_TYPE_INPUT_SETTINGS_NATIVE, NULL);
 }
 
-static void
-meta_backend_native_warp_pointer (MetaBackend *backend,
-                                  int          x,
-                                  int          y)
-{
-  ClutterSeat *seat = clutter_backend_get_default_seat (clutter_get_default_backend ());
-  ClutterInputDevice *device = clutter_seat_get_pointer (seat);
-  MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend);
-
-  /* XXX */
-  guint32 time_ = 0;
-
-  /* Warp the input device pointer state. */
-  meta_seat_native_warp_pointer (device, time_, x, y);
-
-  /* Warp displayed pointer cursor. */
-  meta_cursor_tracker_update_position (cursor_tracker, x, y);
-}
-
 static MetaLogicalMonitor *
 meta_backend_native_get_current_logical_monitor (MetaBackend *backend)
 {
@@ -704,8 +685,6 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
   backend_class->create_renderer = meta_backend_native_create_renderer;
   backend_class->create_input_settings = meta_backend_native_create_input_settings;
 
-  backend_class->warp_pointer = meta_backend_native_warp_pointer;
-
   backend_class->get_current_logical_monitor = meta_backend_native_get_current_logical_monitor;
 
   backend_class->set_keymap = meta_backend_native_set_keymap;

src/backends/native/meta-seat-native.c

@@ -32,6 +32,7 @@
 #include <linux/input.h>
 #include <math.h>
 
+#include "backends/meta-cursor-tracker-private.h"
 #include "backends/native/meta-seat-native.h"
 #include "backends/native/meta-event-native.h"
 #include "backends/native/meta-input-device-native.h"
@@ -2612,6 +2613,20 @@ meta_seat_native_compress_motion (ClutterSeat        *seat,
                                          dy_unaccel + dst_dy_unaccel);
 }
 
+static void
+meta_seat_native_warp_pointer (ClutterSeat *seat,
+                               int          x,
+                               int          y)
+{
+  MetaSeatNative *seat_native = META_SEAT_NATIVE (seat);
+  MetaBackend *backend = meta_get_backend ();
+  MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend);
+
+  notify_absolute_motion (seat_native->core_pointer, 0, x, y, NULL);
+
+  meta_cursor_tracker_update_position (cursor_tracker, x, y);
+}
+
 static void
 meta_seat_native_class_init (MetaSeatNativeClass *klass)
 {
@@ -2635,6 +2650,7 @@ meta_seat_native_class_init (MetaSeatNativeClass *klass)
   seat_class->create_virtual_device = meta_seat_native_create_virtual_device;
   seat_class->get_supported_virtual_device_types = meta_seat_native_get_supported_virtual_device_types;
   seat_class->compress_motion = meta_seat_native_compress_motion;
+  seat_class->warp_pointer = meta_seat_native_warp_pointer;
 
   props[PROP_SEAT_ID] =
     g_param_spec_string ("seat-id",
@@ -2906,30 +2922,6 @@ meta_seat_native_update_xkb_state (MetaSeatNative *seat)
   meta_seat_native_sync_leds (seat);
 }
 
-/**
- * meta_seat_native_warp_pointer:
- * @pointer_device: the pointer device to warp
- * @time: the timestamp for the warp event
- * @x: the new X position of the pointer
- * @y: the new Y position of the pointer
- *
- * Warps the pointer to a new location. Technically, this is
- * processed the same way as an absolute motion event from
- * libinput: it simply generates an absolute motion event that
- * will be processed on the next iteration of the mainloop.
- *
- * The intended use for this is for display servers that need
- * to warp cursor the cursor to a new location.
- */
-void
-meta_seat_native_warp_pointer (ClutterInputDevice   *pointer_device,
-                               uint32_t              time_,
-                               int                   x,
-                               int                   y)
-{
-  notify_absolute_motion (pointer_device, ms2us(time_), x, y, NULL);
-}
-
 gint
 meta_seat_native_acquire_device_id (MetaSeatNative *seat)
 {

src/backends/native/meta-seat-native.h

@@ -295,11 +295,6 @@ void meta_seat_native_remove_filter (MetaSeatNative        *seat,
                                      MetaEvdevFilterFunc    func,
                                      gpointer               data);
 
-void meta_seat_native_warp_pointer (ClutterInputDevice   *pointer_device,
-                                    uint32_t              time_,
-                                    int                   x,
-                                    int                   y);
-
 struct xkb_state * meta_seat_native_get_xkb_state (MetaSeatNative *seat);
 
 void               meta_seat_native_set_keyboard_map   (MetaSeatNative    *seat,