Replace contents with redirect messagemaster

The default development branch is now `main`. This commit only exists
on `master` to point people towards that.

See https://gitlab.gnome.org/GNOME/glib/-/issues/2348 for details.

1 files changed, 0 insertions, 1370 deletions

diff --git a/src/wayland/meta-wayland-pointer.c b/src/wayland/meta-wayland-pointer.c
deleted file mode 100644
index 3132abfd2..000000000
--- a/src/wayland/meta-wayland-pointer.c
+++ /dev/null
@@ -1,1370 +0,0 @@
-/*
- * Wayland Support
- *
- * Copyright (C) 2013 Intel Corporation
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * Copyright © 2008 Kristian Høgsberg
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  The copyright holders make no representations
- * about the suitability of this software for any purpose.  It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-/* The file is based on src/input.c from Weston */
-
-#include "config.h"
-
-#include <linux/input.h>
-#include <string.h>
-
-#include "backends/meta-backend-private.h"
-#include "backends/meta-cursor-renderer.h"
-#include "backends/meta-cursor-tracker-private.h"
-#include "backends/meta-cursor.h"
-#include "clutter/clutter.h"
-#include "cogl/cogl-wayland-server.h"
-#include "cogl/cogl.h"
-#include "compositor/meta-surface-actor-wayland.h"
-#include "meta/meta-cursor-tracker.h"
-#include "wayland/meta-wayland-buffer.h"
-#include "wayland/meta-wayland-cursor-surface.h"
-#include "wayland/meta-wayland-pointer.h"
-#include "wayland/meta-wayland-popup.h"
-#include "wayland/meta-wayland-private.h"
-#include "wayland/meta-wayland-seat.h"
-#include "wayland/meta-wayland-surface.h"
-#include "wayland/meta-xwayland.h"
-
-#ifdef HAVE_NATIVE_BACKEND
-#include "backends/native/meta-backend-native.h"
-#endif
-
-#include "relative-pointer-unstable-v1-server-protocol.h"
-
-#define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int (10)
-
-enum
-{
-  FOCUS_SURFACE_CHANGED,
-
-  LAST_SIGNAL
-};
-
-static guint signals[LAST_SIGNAL];
-
-G_DEFINE_TYPE (MetaWaylandPointer, meta_wayland_pointer,
-               META_TYPE_WAYLAND_INPUT_DEVICE)
-
-static void
-meta_wayland_pointer_set_current (MetaWaylandPointer *pointer,
-                                  MetaWaylandSurface *surface);
-
-static void
-meta_wayland_pointer_reset_grab (MetaWaylandPointer *pointer);
-
-static void
-meta_wayland_pointer_cancel_grab (MetaWaylandPointer *pointer);
-
-static MetaWaylandPointerClient *
-meta_wayland_pointer_client_new (void)
-{
-  MetaWaylandPointerClient *pointer_client;
-
-  pointer_client = g_new0 (MetaWaylandPointerClient, 1);
-  wl_list_init (&pointer_client->pointer_resources);
-  wl_list_init (&pointer_client->swipe_gesture_resources);
-  wl_list_init (&pointer_client->pinch_gesture_resources);
-  wl_list_init (&pointer_client->relative_pointer_resources);
-
-  return pointer_client;
-}
-
-static void
-meta_wayland_pointer_client_free (MetaWaylandPointerClient *pointer_client)
-{
-  struct wl_resource *resource, *next;
-
-  /* Since we make every wl_pointer resource defunct when we stop advertising
-   * the pointer capability on the wl_seat, we need to make sure all the
-   * resources in the pointer client instance gets removed.
-   */
-  wl_resource_for_each_safe (resource, next, &pointer_client->pointer_resources)
-    {
-      wl_list_remove (wl_resource_get_link (resource));
-      wl_list_init (wl_resource_get_link (resource));
-      wl_resource_set_user_data (resource, NULL);
-    }
-  wl_resource_for_each_safe (resource, next, &pointer_client->swipe_gesture_resources)
-    {
-      wl_list_remove (wl_resource_get_link (resource));
-      wl_list_init (wl_resource_get_link (resource));
-      wl_resource_set_user_data (resource, NULL);
-    }
-  wl_resource_for_each_safe (resource, next, &pointer_client->pinch_gesture_resources)
-    {
-      wl_list_remove (wl_resource_get_link (resource));
-      wl_list_init (wl_resource_get_link (resource));
-      wl_resource_set_user_data (resource, NULL);
-    }
-  wl_resource_for_each_safe (resource, next, &pointer_client->relative_pointer_resources)
-    {
-      wl_list_remove (wl_resource_get_link (resource));
-      wl_list_init (wl_resource_get_link (resource));
-      wl_resource_set_user_data (resource, NULL);
-    }
-
-  g_free (pointer_client);
-}
-
-static gboolean
-meta_wayland_pointer_client_is_empty (MetaWaylandPointerClient *pointer_client)
-{
-  return (wl_list_empty (&pointer_client->pointer_resources) &&
-          wl_list_empty (&pointer_client->swipe_gesture_resources) &&
-          wl_list_empty (&pointer_client->pinch_gesture_resources) &&
-          wl_list_empty (&pointer_client->relative_pointer_resources));
-}
-
-MetaWaylandPointerClient *
-meta_wayland_pointer_get_pointer_client (MetaWaylandPointer *pointer,
-                                         struct wl_client   *client)
-{
-  if (!pointer->pointer_clients)
-    return NULL;
-  return g_hash_table_lookup (pointer->pointer_clients, client);
-}
-
-static MetaWaylandPointerClient *
-meta_wayland_pointer_ensure_pointer_client (MetaWaylandPointer *pointer,
-                                            struct wl_client   *client)
-{
-  MetaWaylandPointerClient *pointer_client;
-
-  pointer_client = meta_wayland_pointer_get_pointer_client (pointer, client);
-  if (pointer_client)
-    return pointer_client;
-
-  pointer_client = meta_wayland_pointer_client_new ();
-  g_hash_table_insert (pointer->pointer_clients, client, pointer_client);
-
-  if (!pointer->focus_client &&
-      pointer->focus_surface &&
-      wl_resource_get_client (pointer->focus_surface->resource) == client)
-    pointer->focus_client = pointer_client;
-
-  return pointer_client;
-}
-
-static void
-meta_wayland_pointer_cleanup_pointer_client (MetaWaylandPointer       *pointer,
-                                             MetaWaylandPointerClient *pointer_client,
-                                             struct wl_client         *client)
-{
-  if (meta_wayland_pointer_client_is_empty (pointer_client))
-    {
-      if (pointer->focus_client == pointer_client)
-        pointer->focus_client = NULL;
-      g_hash_table_remove (pointer->pointer_clients, client);
-    }
-}
-
-void
-meta_wayland_pointer_unbind_pointer_client_resource (struct wl_resource *resource)
-{
-  MetaWaylandPointer *pointer = wl_resource_get_user_data (resource);
-  MetaWaylandPointerClient *pointer_client;
-  struct wl_client *client = wl_resource_get_client (resource);
-
-  pointer = wl_resource_get_user_data (resource);
-  if (!pointer)
-    return;
-
-  wl_list_remove (wl_resource_get_link (resource));
-
-  pointer_client = meta_wayland_pointer_get_pointer_client (pointer, client);
-  if (!pointer_client)
-    {
-      /* This happens if all pointer devices were unplugged and no new resources
-       * were created by the client.
-       *
-       * If this is a resource that was previously made defunct, pointer_client
-       * be non-NULL but it is harmless since the below cleanup call will be
-       * prevented from removing the pointer client because of valid resources.
-       */
-      return;
-    }
-
-  meta_wayland_pointer_cleanup_pointer_client (pointer,
-                                               pointer_client,
-                                               client);
-}
-
-static void
-sync_focus_surface (MetaWaylandPointer *pointer)
-{
-  MetaDisplay *display = meta_get_display ();
-  MetaBackend *backend = meta_get_backend ();
-  MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend);
-  ClutterBackend *clutter_backend = clutter_get_default_backend ();
-  ClutterSeat *clutter_seat = clutter_backend_get_default_seat (clutter_backend);
-
-  if (!meta_cursor_tracker_get_pointer_visible (cursor_tracker) &&
-      !clutter_seat_is_unfocus_inhibited (clutter_seat))
-    {
-      meta_wayland_pointer_set_focus (pointer, NULL);
-      return;
-    }
-
-  switch (display->event_route)
-    {
-    case META_EVENT_ROUTE_WINDOW_OP:
-    case META_EVENT_ROUTE_COMPOSITOR_GRAB:
-    case META_EVENT_ROUTE_FRAME_BUTTON:
-      /* The compositor has a grab, so remove our focus... */
-      meta_wayland_pointer_set_focus (pointer, NULL);
-      break;
-
-    case META_EVENT_ROUTE_NORMAL:
-    case META_EVENT_ROUTE_WAYLAND_POPUP:
-      {
-        const MetaWaylandPointerGrabInterface *interface = pointer->grab->interface;
-        interface->focus (pointer->grab, pointer->current);
-      }
-      break;
-
-    default:
-      g_assert_not_reached ();
-    }
-
-}
-
-static void
-meta_wayland_pointer_send_frame (MetaWaylandPointer *pointer,
-				 struct wl_resource *resource)
-{
-  if (wl_resource_get_version (resource) >= WL_POINTER_AXIS_SOURCE_SINCE_VERSION)
-    wl_pointer_send_frame (resource);
-}
-
-void
-meta_wayland_pointer_broadcast_frame (MetaWaylandPointer *pointer)
-{
-  struct wl_resource *resource;
-
-  if (!pointer->focus_client)
-    return;
-
-  wl_resource_for_each (resource, &pointer->focus_client->pointer_resources)
-    {
-      meta_wayland_pointer_send_frame (pointer, resource);
-    }
-}
-
-void
-meta_wayland_pointer_send_relative_motion (MetaWaylandPointer *pointer,
-                                           const ClutterEvent *event)
-{
-  struct wl_resource *resource;
-  double dx, dy;
-  double dx_unaccel, dy_unaccel;
-  uint64_t time_us;
-  uint32_t time_us_hi;
-  uint32_t time_us_lo;
-  wl_fixed_t dxf, dyf;
-  wl_fixed_t dx_unaccelf, dy_unaccelf;
-
-  if (!pointer->focus_client)
-    return;
-
-  if (!clutter_event_get_relative_motion (event,
-                                          &dx, &dy,
-                                          &dx_unaccel, &dy_unaccel))
-    return;
-
-  time_us = clutter_event_get_time_us (event);
-  if (time_us == 0)
-    time_us = clutter_event_get_time (event) * 1000ULL;
-  time_us_hi = (uint32_t) (time_us >> 32);
-  time_us_lo = (uint32_t) time_us;
-  dxf = wl_fixed_from_double (dx);
-  dyf = wl_fixed_from_double (dy);
-  dx_unaccelf = wl_fixed_from_double (dx_unaccel);
-  dy_unaccelf = wl_fixed_from_double (dy_unaccel);
-
-  wl_resource_for_each (resource,
-                        &pointer->focus_client->relative_pointer_resources)
-    {
-      zwp_relative_pointer_v1_send_relative_motion (resource,
-                                                    time_us_hi,
-                                                    time_us_lo,
-                                                    dxf,
-                                                    dyf,
-                                                    dx_unaccelf,
-                                                    dy_unaccelf);
-    }
-}
-
-void
-meta_wayland_pointer_send_motion (MetaWaylandPointer *pointer,
-                                  const ClutterEvent *event)
-{
-  struct wl_resource *resource;
-  uint32_t time;
-  float sx, sy;
-
-  if (!pointer->focus_client)
-    return;
-
-  time = clutter_event_get_time (event);
-  meta_wayland_surface_get_relative_coordinates (pointer->focus_surface,
-                                                 event->motion.x,
-                                                 event->motion.y,
-                                                 &sx, &sy);
-
-  wl_resource_for_each (resource, &pointer->focus_client->pointer_resources)
-    {
-      wl_pointer_send_motion (resource, time,
-                              wl_fixed_from_double (sx),
-                              wl_fixed_from_double (sy));
-    }
-
-  meta_wayland_pointer_send_relative_motion (pointer, event);
-
-  meta_wayland_pointer_broadcast_frame (pointer);
-}
-
-void
-meta_wayland_pointer_send_button (MetaWaylandPointer *pointer,
-                                  const ClutterEvent *event)
-{
-  struct wl_resource *resource;
-  ClutterEventType event_type;
-
-  event_type = clutter_event_type (event);
-
-  if (pointer->focus_client &&
-      !wl_list_empty (&pointer->focus_client->pointer_resources))
-    {
-      MetaWaylandInputDevice *input_device =
-        META_WAYLAND_INPUT_DEVICE (pointer);
-      uint32_t time;
-      uint32_t button;
-      uint32_t serial;
-
-      button = clutter_event_get_event_code (event);
-      time = clutter_event_get_time (event);
-      serial = meta_wayland_input_device_next_serial (input_device);
-
-      wl_resource_for_each (resource, &pointer->focus_client->pointer_resources)
-        {
-          wl_pointer_send_button (resource, serial,
-                                  time, button,
-                                  event_type == CLUTTER_BUTTON_PRESS ? 1 : 0);
-        }
-
-      meta_wayland_pointer_broadcast_frame (pointer);
-    }
-
-  if (pointer->button_count == 0 && event_type == CLUTTER_BUTTON_RELEASE)
-    sync_focus_surface (pointer);
-}
-
-static void
-default_grab_focus (MetaWaylandPointerGrab *grab,
-                    MetaWaylandSurface     *surface)
-{
-  MetaWaylandPointer *pointer = grab->pointer;
-  MetaWaylandSeat *seat = meta_wayland_pointer_get_seat (pointer);
-  MetaDisplay *display = meta_get_display ();
-  MetaBackend *backend = meta_get_backend ();
-  MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend);
-  ClutterBackend *clutter_backend = clutter_get_default_backend ();
-  ClutterSeat *clutter_seat = clutter_backend_get_default_seat (clutter_backend);
-
-  if (!meta_wayland_seat_has_pointer (seat))
-    return;
-
-  if (!meta_cursor_tracker_get_pointer_visible (cursor_tracker) &&
-      !clutter_seat_is_unfocus_inhibited (clutter_seat))
-    return;
-
-  if (pointer->button_count > 0)
-    return;
-
-  switch (display->event_route)
-    {
-    case META_EVENT_ROUTE_WINDOW_OP:
-    case META_EVENT_ROUTE_COMPOSITOR_GRAB:
-    case META_EVENT_ROUTE_FRAME_BUTTON:
-      return;
-      break;
-
-    case META_EVENT_ROUTE_NORMAL:
-    case META_EVENT_ROUTE_WAYLAND_POPUP:
-      break;
-    }
-
-  meta_wayland_pointer_set_focus (pointer, surface);
-}
-
-static void
-default_grab_motion (MetaWaylandPointerGrab *grab,
-		     const ClutterEvent     *event)
-{
-  MetaWaylandPointer *pointer = grab->pointer;
-
-  meta_wayland_pointer_send_motion (pointer, event);
-}
-
-static void
-default_grab_button (MetaWaylandPointerGrab *grab,
-		     const ClutterEvent     *event)
-{
-  MetaWaylandPointer *pointer = grab->pointer;
-
-  meta_wayland_pointer_send_button (pointer, event);
-}
-
-static const MetaWaylandPointerGrabInterface default_pointer_grab_interface = {
-  default_grab_focus,
-  default_grab_motion,
-  default_grab_button
-};
-
-static void
-meta_wayland_pointer_on_cursor_changed (MetaCursorTracker *cursor_tracker,
-                                        MetaWaylandPointer *pointer)
-{
-  if (pointer->cursor_surface)
-    meta_wayland_surface_update_outputs (pointer->cursor_surface);
-}
-
-void
-meta_wayland_pointer_enable (MetaWaylandPointer *pointer)
-{
-  MetaBackend *backend = meta_get_backend ();
-  MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend);
-  ClutterSeat *clutter_seat;
-
-  pointer->pointer_clients =
-    g_hash_table_new_full (NULL, NULL, NULL,
-                           (GDestroyNotify) meta_wayland_pointer_client_free);
-
-  pointer->cursor_surface = NULL;
-
-  clutter_seat = clutter_backend_get_default_seat (clutter_get_default_backend ());
-  pointer->device = clutter_seat_get_pointer (clutter_seat);
-
-  g_signal_connect (cursor_tracker,
-                    "cursor-changed",
-                    G_CALLBACK (meta_wayland_pointer_on_cursor_changed),
-                    pointer);
-
-  g_signal_connect_swapped (cursor_tracker,
-                            "visibility-changed",
-                            G_CALLBACK (sync_focus_surface),
-                            pointer);
-
-  g_signal_connect_swapped (clutter_seat,
-                            "is-unfocus-inhibited-changed",
-                            G_CALLBACK (sync_focus_surface),
-                            pointer);
-}
-
-void
-meta_wayland_pointer_disable (MetaWaylandPointer *pointer)
-{
-  MetaBackend *backend = meta_get_backend ();
-  MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend);
-  ClutterBackend *clutter_backend = clutter_get_default_backend ();
-  ClutterSeat *clutter_seat = clutter_backend_get_default_seat (clutter_backend);
-
-  g_signal_handlers_disconnect_by_func (cursor_tracker,
-                                        (gpointer) meta_wayland_pointer_on_cursor_changed,
-                                        pointer);
-
-  g_signal_handlers_disconnect_by_func (cursor_tracker,
-                                        sync_focus_surface,
-                                        pointer);
-
-  g_signal_handlers_disconnect_by_func (clutter_seat,
-                                        sync_focus_surface,
-                                        pointer);
-
-  if (pointer->cursor_surface)
-    {
-      g_clear_signal_handler (&pointer->cursor_surface_destroy_id,
-                              pointer->cursor_surface);
-    }
-
-  meta_wayland_pointer_cancel_grab (pointer);
-  meta_wayland_pointer_reset_grab (pointer);
-  meta_wayland_pointer_set_focus (pointer, NULL);
-  meta_wayland_pointer_set_current (pointer, NULL);
-
-  g_clear_pointer (&pointer->pointer_clients, g_hash_table_unref);
-  pointer->cursor_surface = NULL;
-}
-
-static int
-count_buttons (const ClutterEvent *event)
-{
-  static gint maskmap[5] =
-    {
-      CLUTTER_BUTTON1_MASK, CLUTTER_BUTTON2_MASK, CLUTTER_BUTTON3_MASK,
-      CLUTTER_BUTTON4_MASK, CLUTTER_BUTTON5_MASK
-    };
-  ClutterModifierType mod_mask;
-  int i, count;
-
-  mod_mask = clutter_event_get_state (event);
-  count = 0;
-  for (i = 0; i < 5; i++)
-    {
-      if (mod_mask & maskmap[i])
-	count++;
-    }
-
-  return count;
-}
-
-static void
-current_surface_destroyed (MetaWaylandSurface *surface,
-                           MetaWaylandPointer *pointer)
-{
-  meta_wayland_pointer_set_current (pointer, NULL);
-}
-
-static void
-meta_wayland_pointer_set_current (MetaWaylandPointer *pointer,
-                                  MetaWaylandSurface *surface)
-{
-  if (pointer->current)
-    {
-      g_clear_signal_handler (&pointer->current_surface_destroyed_handler_id,
-                              pointer->current);
-      pointer->current = NULL;
-    }
-
-  if (surface)
-    {
-      pointer->current = surface;
-      pointer->current_surface_destroyed_handler_id =
-        g_signal_connect (surface, "destroy",
-                          G_CALLBACK (current_surface_destroyed),
-                          pointer);
-    }
-}
-
-static void
-repick_for_event (MetaWaylandPointer *pointer,
-                  const ClutterEvent *for_event)
-{
-  ClutterActor *actor;
-  MetaWaylandSurface *surface;
-
-  if (clutter_event_type (for_event) == CLUTTER_LEAVE)
-    actor = clutter_event_get_related (for_event);
-  else
-    actor = clutter_event_get_source (for_event);
-
-  if (META_IS_SURFACE_ACTOR_WAYLAND (actor))
-    {
-      MetaSurfaceActorWayland *actor_wayland =
-        META_SURFACE_ACTOR_WAYLAND (actor);
-
-      surface = meta_surface_actor_wayland_get_surface (actor_wayland);
-    }
-  else
-    {
-      surface = NULL;
-    }
-
-  meta_wayland_pointer_set_current (pointer, surface);
-
-  sync_focus_surface (pointer);
-  meta_wayland_pointer_update_cursor_surface (pointer);
-}
-
-void
-meta_wayland_pointer_update (MetaWaylandPointer *pointer,
-                             const ClutterEvent *event)
-{
-  if ((event->type == CLUTTER_MOTION ||
-       event->type == CLUTTER_ENTER ||
-       event->type == CLUTTER_LEAVE) &&
-      !clutter_event_get_event_sequence (event))
-    repick_for_event (pointer, event);
-
-  if (event->type == CLUTTER_MOTION ||
-      event->type == CLUTTER_BUTTON_PRESS ||
-      event->type == CLUTTER_BUTTON_RELEASE)
-    {
-      pointer->button_count = count_buttons (event);
-    }
-}
-
-static void
-notify_motion (MetaWaylandPointer *pointer,
-               const ClutterEvent *event)
-{
-  pointer->grab->interface->motion (pointer->grab, event);
-}
-
-static void
-handle_motion_event (MetaWaylandPointer *pointer,
-                     const ClutterEvent *event)
-{
-  notify_motion (pointer, event);
-}
-
-static void
-handle_button_event (MetaWaylandPointer *pointer,
-                     const ClutterEvent *event)
-{
-  gboolean implicit_grab;
-
-  implicit_grab = (event->type == CLUTTER_BUTTON_PRESS) && (pointer->button_count == 1);
-  if (implicit_grab)
-    {
-      pointer->grab_button = clutter_event_get_button (event);
-      pointer->grab_time = clutter_event_get_time (event);
-      clutter_event_get_coords (event, &pointer->grab_x, &pointer->grab_y);
-    }
-
-  pointer->grab->interface->button (pointer->grab, event);
-
-  if (implicit_grab)
-    {
-      MetaWaylandSeat *seat = meta_wayland_pointer_get_seat (pointer);
-
-      pointer->grab_serial = wl_display_get_serial (seat->wl_display);
-    }
-}
-
-static void
-handle_scroll_event (MetaWaylandPointer *pointer,
-                     const ClutterEvent *event)
-{
-  struct wl_resource *resource;
-  wl_fixed_t x_value = 0, y_value = 0;
-  int x_discrete = 0, y_discrete = 0;
-  enum wl_pointer_axis_source source = -1;
-
-  if (clutter_event_is_pointer_emulated (event))
-    return;
-
-  switch (event->scroll.scroll_source)
-    {
-    case CLUTTER_SCROLL_SOURCE_WHEEL:
-      source = WL_POINTER_AXIS_SOURCE_WHEEL;
-      break;
-    case CLUTTER_SCROLL_SOURCE_FINGER:
-      source = WL_POINTER_AXIS_SOURCE_FINGER;
-      break;
-    case CLUTTER_SCROLL_SOURCE_CONTINUOUS:
-      source = WL_POINTER_AXIS_SOURCE_CONTINUOUS;
-      break;
-    default:
-      source = WL_POINTER_AXIS_SOURCE_WHEEL;
-      break;
-    }
-
-  switch (clutter_event_get_scroll_direction (event))
-    {
-    case CLUTTER_SCROLL_UP:
-      y_value = -DEFAULT_AXIS_STEP_DISTANCE;
-      y_discrete = -1;
-      break;
-
-    case CLUTTER_SCROLL_DOWN:
-      y_value = DEFAULT_AXIS_STEP_DISTANCE;
-      y_discrete = 1;
-      break;
-
-    case CLUTTER_SCROLL_LEFT:
-      x_value = -DEFAULT_AXIS_STEP_DISTANCE;
-      x_discrete = -1;
-      break;
-
-    case CLUTTER_SCROLL_RIGHT:
-      x_value = DEFAULT_AXIS_STEP_DISTANCE;
-      x_discrete = 1;
-      break;
-
-    case CLUTTER_SCROLL_SMOOTH:
-      {
-        double dx, dy;
-        /* Clutter smooth scroll events are in discrete steps (1 step = 1.0 long
-         * vector along one axis). To convert to smooth scroll events that are
-         * in pointer motion event space, multiply the vector with the 10. */
-        const double factor = 10.0;
-        clutter_event_get_scroll_delta (event, &dx, &dy);
-        x_value = wl_fixed_from_double (dx) * factor;
-        y_value = wl_fixed_from_double (dy) * factor;
-      }
-      break;
-
-    default:
-      return;
-    }
-
-  if (pointer->focus_client)
-    {
-      wl_resource_for_each (resource, &pointer->focus_client->pointer_resources)
-        {
-          if (wl_resource_get_version (resource) >= WL_POINTER_AXIS_SOURCE_SINCE_VERSION)
-            wl_pointer_send_axis_source (resource, source);
-
-          /* X axis */
-          if (x_discrete != 0 &&
-              wl_resource_get_version (resource) >= WL_POINTER_AXIS_DISCRETE_SINCE_VERSION)
-            wl_pointer_send_axis_discrete (resource,
-                                           WL_POINTER_AXIS_HORIZONTAL_SCROLL,
-                                           x_discrete);
-
-          if (x_value)
-            wl_pointer_send_axis (resource, clutter_event_get_time (event),
-                                  WL_POINTER_AXIS_HORIZONTAL_SCROLL, x_value);
-
-          if ((event->scroll.finish_flags & CLUTTER_SCROLL_FINISHED_HORIZONTAL) &&
-              wl_resource_get_version (resource) >= WL_POINTER_AXIS_STOP_SINCE_VERSION)
-            wl_pointer_send_axis_stop (resource,
-                                       clutter_event_get_time (event),
-                                       WL_POINTER_AXIS_HORIZONTAL_SCROLL);
-          /* Y axis */
-          if (y_discrete != 0 &&
-              wl_resource_get_version (resource) >= WL_POINTER_AXIS_DISCRETE_SINCE_VERSION)
-            wl_pointer_send_axis_discrete (resource,
-                                           WL_POINTER_AXIS_VERTICAL_SCROLL,
-                                           y_discrete);
-
-          if (y_value)
-            wl_pointer_send_axis (resource, clutter_event_get_time (event),
-                                  WL_POINTER_AXIS_VERTICAL_SCROLL, y_value);
-
-          if ((event->scroll.finish_flags & CLUTTER_SCROLL_FINISHED_VERTICAL) &&
-              wl_resource_get_version (resource) >= WL_POINTER_AXIS_STOP_SINCE_VERSION)
-            wl_pointer_send_axis_stop (resource,
-                                       clutter_event_get_time (event),
-                                       WL_POINTER_AXIS_VERTICAL_SCROLL);
-        }
-
-      meta_wayland_pointer_broadcast_frame (pointer);
-    }
-}
-
-gboolean
-meta_wayland_pointer_handle_event (MetaWaylandPointer *pointer,
-                                   const ClutterEvent *event)
-{
-  switch (event->type)
-    {
-    case CLUTTER_MOTION:
-      handle_motion_event (pointer, event);
-      break;
-
-    case CLUTTER_BUTTON_PRESS:
-    case CLUTTER_BUTTON_RELEASE:
-      handle_button_event (pointer, event);
-      break;
-
-    case CLUTTER_SCROLL:
-      handle_scroll_event (pointer, event);
-      break;
-
-    case CLUTTER_TOUCHPAD_SWIPE:
-      meta_wayland_pointer_gesture_swipe_handle_event (pointer, event);
-      break;
-
-    case CLUTTER_TOUCHPAD_PINCH:
-      meta_wayland_pointer_gesture_pinch_handle_event (pointer, event);
-      break;
-
-    default:
-      break;
-    }
-
-  return FALSE;
-}
-
-static void
-meta_wayland_pointer_send_enter (MetaWaylandPointer *pointer,
-                                 struct wl_resource *pointer_resource,
-                                 uint32_t            serial,
-                                 MetaWaylandSurface *surface)
-{
-  wl_fixed_t sx, sy;
-
-  meta_wayland_pointer_get_relative_coordinates (pointer, surface, &sx, &sy);
-  wl_pointer_send_enter (pointer_resource,
-                         serial,
-                         surface->resource,
-                         sx, sy);
-}
-
-static void
-meta_wayland_pointer_send_leave (MetaWaylandPointer *pointer,
-                                 struct wl_resource *pointer_resource,
-                                 uint32_t            serial,
-                                 MetaWaylandSurface *surface)
-{
-  wl_pointer_send_leave (pointer_resource, serial, surface->resource);
-}
-
-static void
-meta_wayland_pointer_broadcast_enter (MetaWaylandPointer *pointer,
-                                      uint32_t            serial,
-                                      MetaWaylandSurface *surface)
-{
-  struct wl_resource *pointer_resource;
-
-  wl_resource_for_each (pointer_resource,
-                        &pointer->focus_client->pointer_resources)
-    meta_wayland_pointer_send_enter (pointer, pointer_resource,
-                                     serial, surface);
-
-  meta_wayland_pointer_broadcast_frame (pointer);
-}
-
-static void
-meta_wayland_pointer_broadcast_leave (MetaWaylandPointer *pointer,
-                                      uint32_t            serial,
-                                      MetaWaylandSurface *surface)
-{
-  struct wl_resource *pointer_resource;
-
-  wl_resource_for_each (pointer_resource,
-                        &pointer->focus_client->pointer_resources)
-    meta_wayland_pointer_send_leave (pointer, pointer_resource,
-                                     serial, surface);
-
-  meta_wayland_pointer_broadcast_frame (pointer);
-}
-
-static void
-focus_surface_destroyed (MetaWaylandSurface *surface,
-                         MetaWaylandPointer *pointer)
-{
-  meta_wayland_pointer_set_focus (pointer, NULL);
-}
-
-void
-meta_wayland_pointer_set_focus (MetaWaylandPointer *pointer,
-                                MetaWaylandSurface *surface)
-{
-  MetaWaylandInputDevice *input_device = META_WAYLAND_INPUT_DEVICE (pointer);
-  MetaBackend *backend = meta_get_backend ();
-  MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend);
-  ClutterBackend *clutter_backend = clutter_get_default_backend ();
-  ClutterSeat *clutter_seat = clutter_backend_get_default_seat (clutter_backend);
-
-  g_return_if_fail (meta_cursor_tracker_get_pointer_visible (cursor_tracker) ||
-                    clutter_seat_is_unfocus_inhibited (clutter_seat) ||
-                    surface == NULL);
-
-  if (pointer->focus_surface == surface)
-    return;
-
-  if (pointer->focus_surface != NULL)
-    {
-      uint32_t serial;
-
-      serial = meta_wayland_input_device_next_serial (input_device);
-
-      if (pointer->focus_client)
-        {
-          meta_wayland_pointer_broadcast_leave (pointer,
-                                                serial,
-                                                pointer->focus_surface);
-          pointer->focus_client = NULL;
-        }
-
-      g_clear_signal_handler (&pointer->focus_surface_destroyed_handler_id,
-                              pointer->focus_surface);
-      pointer->focus_surface = NULL;
-    }
-
-  if (surface != NULL)
-    {
-      ClutterStage *stage = CLUTTER_STAGE (meta_backend_get_stage (backend));
-      struct wl_client *client = wl_resource_get_client (surface->resource);
-      graphene_point_t pos;
-      MetaWindow *focus_window;
-
-      pointer->focus_surface = surface;
-
-      pointer->focus_surface_destroyed_handler_id =
-        g_signal_connect_after (pointer->focus_surface, "destroy",
-                                G_CALLBACK (focus_surface_destroyed),
-                                pointer);
-
-      clutter_stage_get_device_coords (stage, pointer->device, NULL, &pos);
-
-      focus_window = meta_wayland_surface_get_window (pointer->focus_surface);
-      if (focus_window)
-        meta_window_handle_enter (focus_window,
-                                  /* XXX -- can we reliably get a timestamp for setting focus? */
-                                  clutter_get_current_event_time (),
-                                  pos.x, pos.y);
-
-      pointer->focus_client =
-        meta_wayland_pointer_get_pointer_client (pointer, client);
-      if (pointer->focus_client)
-        {
-          pointer->focus_serial =
-            meta_wayland_input_device_next_serial (input_device);
-          meta_wayland_pointer_broadcast_enter (pointer,
-                                                pointer->focus_serial,
-                                                pointer->focus_surface);
-        }
-    }
-
-  meta_wayland_pointer_update_cursor_surface (pointer);
-
-  g_signal_emit (pointer, signals[FOCUS_SURFACE_CHANGED], 0);
-}
-
-void
-meta_wayland_pointer_start_grab (MetaWaylandPointer *pointer,
-                                 MetaWaylandPointerGrab *grab)
-{
-  const MetaWaylandPointerGrabInterface *interface;
-
-  meta_wayland_pointer_cancel_grab (pointer);
-
-  pointer->grab = grab;
-  interface = pointer->grab->interface;
-  grab->pointer = pointer;
-
-  interface->focus (pointer->grab, pointer->current);
-}
-
-static void
-meta_wayland_pointer_reset_grab (MetaWaylandPointer *pointer)
-{
-  pointer->grab = &pointer->default_grab;
-}
-
-void
-meta_wayland_pointer_end_grab (MetaWaylandPointer *pointer)
-{
-  const MetaWaylandPointerGrabInterface *interface;
-
-  pointer->grab = &pointer->default_grab;
-  interface = pointer->grab->interface;
-  interface->focus (pointer->grab, pointer->current);
-
-  meta_wayland_pointer_update_cursor_surface (pointer);
-}
-
-static void
-meta_wayland_pointer_cancel_grab (MetaWaylandPointer *pointer)
-{
-  if (pointer->grab->interface->cancel)
-    pointer->grab->interface->cancel (pointer->grab);
-}
-
-void
-meta_wayland_pointer_end_popup_grab (MetaWaylandPointer *pointer)
-{
-  MetaWaylandPopupGrab *popup_grab = (MetaWaylandPopupGrab*)pointer->grab;
-
-  meta_wayland_popup_grab_destroy (popup_grab);
-}
-
-MetaWaylandPopup *
-meta_wayland_pointer_start_popup_grab (MetaWaylandPointer      *pointer,
-                                       MetaWaylandPopupSurface *popup_surface)
-{
-  MetaWaylandPopupGrab *grab;
-
-  if (pointer->grab != &pointer->default_grab &&
-      !meta_wayland_pointer_grab_is_popup_grab (pointer->grab))
-    return NULL;
-
-  if (pointer->grab == &pointer->default_grab)
-    grab = meta_wayland_popup_grab_create (pointer, popup_surface);
-  else
-    grab = (MetaWaylandPopupGrab*)pointer->grab;
-
-  return meta_wayland_popup_create (popup_surface, grab);
-}
-
-void
-meta_wayland_pointer_get_relative_coordinates (MetaWaylandPointer *pointer,
-					       MetaWaylandSurface *surface,
-					       wl_fixed_t         *sx,
-					       wl_fixed_t         *sy)
-{
-  MetaBackend *backend = meta_get_backend ();
-  ClutterStage *stage = CLUTTER_STAGE (meta_backend_get_stage (backend));
-  float xf = 0.0f, yf = 0.0f;
-  graphene_point_t pos;
-
-  clutter_stage_get_device_coords (stage, pointer->device, NULL, &pos);
-  meta_wayland_surface_get_relative_coordinates (surface, pos.x, pos.y, &xf, &yf);
-
-  *sx = wl_fixed_from_double (xf);
-  *sy = wl_fixed_from_double (yf);
-}
-
-void
-meta_wayland_pointer_update_cursor_surface (MetaWaylandPointer *pointer)
-{
-  MetaBackend *backend = meta_get_backend ();
-  MetaCursorTracker *cursor_tracker = meta_backend_get_cursor_tracker (backend);
-
-  if (pointer->current)
-    {
-      MetaCursorSprite *cursor_sprite = NULL;
-
-      if (pointer->cursor_surface)
-        {
-          MetaWaylandCursorSurface *cursor_surface =
-            META_WAYLAND_CURSOR_SURFACE (pointer->cursor_surface->role);
-
-          cursor_sprite = meta_wayland_cursor_surface_get_sprite (cursor_surface);
-        }
-
-      meta_cursor_tracker_set_window_cursor (cursor_tracker, cursor_sprite);
-    }
-  else
-    {
-      meta_cursor_tracker_unset_window_cursor (cursor_tracker);
-    }
-}
-
-static void
-ensure_update_cursor_surface (MetaWaylandPointer *pointer,
-                              MetaWaylandSurface *surface)
-{
-  if (pointer->cursor_surface != surface)
-    return;
-
-  pointer->cursor_surface = NULL;
-  meta_wayland_pointer_update_cursor_surface (pointer);
-}
-
-static void
-meta_wayland_pointer_set_cursor_surface (MetaWaylandPointer *pointer,
-                                         MetaWaylandSurface *cursor_surface)
-{
-  MetaWaylandSurface *prev_cursor_surface;
-
-  prev_cursor_surface = pointer->cursor_surface;
-
-  if (prev_cursor_surface == cursor_surface)
-    return;
-
-  pointer->cursor_surface = cursor_surface;
-
-  if (prev_cursor_surface)
-    {
-      meta_wayland_surface_update_outputs (prev_cursor_surface);
-      g_clear_signal_handler (&pointer->cursor_surface_destroy_id,
-                              prev_cursor_surface);
-    }
-
-  if (cursor_surface)
-    {
-      pointer->cursor_surface_destroy_id =
-        g_signal_connect_swapped (cursor_surface, "destroy",
-                                  G_CALLBACK (ensure_update_cursor_surface),
-                                  pointer);
-    }
-
-  meta_wayland_pointer_update_cursor_surface (pointer);
-}
-
-static void
-pointer_set_cursor (struct wl_client *client,
-                    struct wl_resource *resource,
-                    uint32_t serial,
-                    struct wl_resource *surface_resource,
-                    int32_t hot_x, int32_t hot_y)
-{
-  MetaWaylandPointer *pointer;
-  MetaWaylandSurface *surface;
-
-  pointer = wl_resource_get_user_data (resource);
-  if (!pointer)
-    return;
-
-  surface = (surface_resource ? wl_resource_get_user_data (surface_resource) : NULL);
-
-  if (pointer->focus_surface == NULL)
-    return;
-  if (wl_resource_get_client (pointer->focus_surface->resource) != client)
-    return;
-  if (pointer->focus_serial - serial > G_MAXUINT32 / 2)
-    return;
-
-  if (surface &&
-      !meta_wayland_surface_assign_role (surface,
-                                         META_TYPE_WAYLAND_CURSOR_SURFACE,
-                                         NULL))
-    {
-      wl_resource_post_error (resource, WL_POINTER_ERROR_ROLE,
-                              "wl_surface@%d already has a different role",
-                              wl_resource_get_id (surface_resource));
-      return;
-    }
-
-  if (surface)
-    {
-      ClutterBackend *clutter_backend = clutter_get_default_backend ();
-      ClutterSeat *clutter_seat =
-        clutter_backend_get_default_seat (clutter_backend);
-      ClutterInputDevice *device = clutter_seat_get_pointer (clutter_seat);
-      MetaCursorRenderer *cursor_renderer =
-        meta_backend_get_cursor_renderer_for_device (meta_get_backend (),
-                                                     device);
-      MetaWaylandCursorSurface *cursor_surface;
-
-      cursor_surface = META_WAYLAND_CURSOR_SURFACE (surface->role);
-      meta_wayland_cursor_surface_set_renderer (cursor_surface,
-                                                cursor_renderer);
-      meta_wayland_cursor_surface_set_hotspot (cursor_surface,
-                                               hot_x, hot_y);
-    }
-
-  meta_wayland_pointer_set_cursor_surface (pointer, surface);
-}
-
-static void
-pointer_release (struct wl_client *client,
-                 struct wl_resource *resource)
-{
-  wl_resource_destroy (resource);
-}
-
-static const struct wl_pointer_interface pointer_interface = {
-  pointer_set_cursor,
-  pointer_release,
-};
-
-void
-meta_wayland_pointer_create_new_resource (MetaWaylandPointer *pointer,
-                                          struct wl_client   *client,
-                                          struct wl_resource *seat_resource,
-                                          uint32_t id)
-{
-  struct wl_resource *resource;
-  MetaWaylandPointerClient *pointer_client;
-
-  resource = wl_resource_create (client, &wl_pointer_interface,
-                                 wl_resource_get_version (seat_resource), id);
-  wl_resource_set_implementation (resource, &pointer_interface, pointer,
-                                  meta_wayland_pointer_unbind_pointer_client_resource);
-
-  pointer_client = meta_wayland_pointer_ensure_pointer_client (pointer, client);
-
-  wl_list_insert (&pointer_client->pointer_resources,
-                  wl_resource_get_link (resource));
-
-  if (pointer->focus_client == pointer_client)
-    {
-      meta_wayland_pointer_send_enter (pointer, resource,
-                                       pointer->focus_serial,
-                                       pointer->focus_surface);
-      meta_wayland_pointer_send_frame (pointer, resource);
-    }
-}
-
-static gboolean
-pointer_can_grab_surface (MetaWaylandPointer *pointer,
-                          MetaWaylandSurface *surface)
-{
-  MetaWaylandSurface *subsurface;
-
-  if (pointer->focus_surface == surface)
-    return TRUE;
-
-  META_WAYLAND_SURFACE_FOREACH_SUBSURFACE (surface, subsurface)
-    {
-      if (pointer_can_grab_surface (pointer, subsurface))
-        return TRUE;
-    }
-
-  return FALSE;
-}
-
-gboolean
-meta_wayland_pointer_can_grab_surface (MetaWaylandPointer *pointer,
-                                       MetaWaylandSurface *surface,
-                                       uint32_t            serial)
-{
-  return (pointer->grab_serial == serial &&
-          pointer_can_grab_surface (pointer, surface));
-}
-
-gboolean
-meta_wayland_pointer_can_popup (MetaWaylandPointer *pointer, uint32_t serial)
-{
-  return pointer->grab_serial == serial;
-}
-
-MetaWaylandSurface *
-meta_wayland_pointer_get_top_popup (MetaWaylandPointer *pointer)
-{
-  MetaWaylandPopupGrab *grab;
-
-  if (!meta_wayland_pointer_grab_is_popup_grab (pointer->grab))
-    return NULL;
-
-  grab = (MetaWaylandPopupGrab*)pointer->grab;
-  return meta_wayland_popup_grab_get_top_popup(grab);
-}
-
-static void
-relative_pointer_destroy (struct wl_client *client,
-                          struct wl_resource *resource)
-{
-  wl_resource_destroy (resource);
-}
-
-static const struct zwp_relative_pointer_v1_interface relative_pointer_interface = {
-  relative_pointer_destroy
-};
-
-static void
-relative_pointer_manager_destroy (struct wl_client *client,
-                                  struct wl_resource *resource)
-{
-  wl_resource_destroy (resource);
-}
-
-static void
-relative_pointer_manager_get_relative_pointer (struct wl_client   *client,
-                                               struct wl_resource *manager_resource,
-                                               uint32_t            id,
-                                               struct wl_resource *pointer_resource)
-{
-  MetaWaylandPointer *pointer = wl_resource_get_user_data (pointer_resource);
-  struct wl_resource *resource;
-  MetaWaylandPointerClient *pointer_client;
-
-  resource = wl_resource_create (client, &zwp_relative_pointer_v1_interface,
-                                 wl_resource_get_version (manager_resource),
-                                 id);
-  if (!resource)
-    {
-      wl_client_post_no_memory (client);
-      return;
-    }
-
-  wl_resource_set_implementation (resource, &relative_pointer_interface,
-                                  pointer,
-                                  meta_wayland_pointer_unbind_pointer_client_resource);
-
-  pointer_client = meta_wayland_pointer_ensure_pointer_client (pointer, client);
-
-  wl_list_insert (&pointer_client->relative_pointer_resources,
-                  wl_resource_get_link (resource));
-}
-
-static const struct zwp_relative_pointer_manager_v1_interface relative_pointer_manager = {
-  relative_pointer_manager_destroy,
-  relative_pointer_manager_get_relative_pointer,
-};
-
-static void
-bind_relative_pointer_manager (struct wl_client *client,
-                               void             *data,
-                               uint32_t          version,
-                               uint32_t          id)
-{
-  MetaWaylandCompositor *compositor = data;
-  struct wl_resource *resource;
-
-  resource = wl_resource_create (client,
-                                 &zwp_relative_pointer_manager_v1_interface,
-                                 1, id);
-
-  if (version != 1)
-    wl_resource_post_error (resource,
-                            WL_DISPLAY_ERROR_INVALID_OBJECT,
-                            "bound invalid version %u of "
-                            "wp_relative_pointer_manager",
-                            version);
-
-  wl_resource_set_implementation (resource, &relative_pointer_manager,
-                                  compositor,
-                                  NULL);
-}
-
-void
-meta_wayland_relative_pointer_init (MetaWaylandCompositor *compositor)
-{
-  /* Relative pointer events are currently only supported by the native backend
-   * so lets just advertise the extension when the native backend is used.
-   */
-#ifdef HAVE_NATIVE_BACKEND
-  if (!META_IS_BACKEND_NATIVE (meta_get_backend ()))
-    return;
-#else
-  return;
-#endif
-
-  if (!wl_global_create (compositor->wayland_display,
-                         &zwp_relative_pointer_manager_v1_interface, 1,
-                         compositor, bind_relative_pointer_manager))
-    g_error ("Could not create relative pointer manager global");
-}
-
-MetaWaylandSeat *
-meta_wayland_pointer_get_seat (MetaWaylandPointer *pointer)
-{
-  MetaWaylandInputDevice *input_device = META_WAYLAND_INPUT_DEVICE (pointer);
-
-  return meta_wayland_input_device_get_seat (input_device);
-}
-
-static void
-meta_wayland_pointer_init (MetaWaylandPointer *pointer)
-{
-  pointer->default_grab.interface = &default_pointer_grab_interface;
-  pointer->default_grab.pointer = pointer;
-  pointer->grab = &pointer->default_grab;
-}
-
-static void
-meta_wayland_pointer_class_init (MetaWaylandPointerClass *klass)
-{
-  signals[FOCUS_SURFACE_CHANGED] = g_signal_new ("focus-surface-changed",
-                                                 G_TYPE_FROM_CLASS (klass),
-                                                 G_SIGNAL_RUN_LAST,
-                                                 0,
-                                                 NULL, NULL, NULL,
-                                                 G_TYPE_NONE, 0);
-}