C++ (Cpp) meta_wayland_pointer_set_focus示例

示例#1

文件： meta-wayland-pointer.c 项目： mchalupa/mutter

static void
pointer_handle_focus_surface_destroy (struct wl_listener *listener, void *data)
{
  MetaWaylandPointer *pointer = wl_container_of (listener, pointer, focus_surface_listener);

  meta_wayland_pointer_set_focus (pointer, NULL);
}

示例#2

文件： meta-wayland-pointer.c 项目： ueno/mutter

static void
sync_focus_surface (MetaWaylandPointer *pointer)
{
  MetaDisplay *display = meta_get_display ();

  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 ();
    }

}

示例#3

文件： meta-wayland-pointer.c 项目： mchalupa/mutter

static void
default_grab_focus (MetaWaylandPointerGrab *grab,
                    MetaWaylandSurface     *surface)
{
  MetaWaylandPointer *pointer = grab->pointer;

  if (pointer->button_count > 0)
    return;

  meta_wayland_pointer_set_focus (pointer, surface);
}

示例#4

文件： meta-wayland-data-device.c 项目： mvollmer/mutter

static void
data_device_start_drag (struct wl_client *client,
                        struct wl_resource *resource,
                        struct wl_resource *source_resource,
                        struct wl_resource *origin_resource,
                        struct wl_resource *icon_resource, guint32 serial)
{
  MetaWaylandDataDevice *data_device = wl_resource_get_user_data (resource);
  MetaWaylandSeat *seat = wl_container_of (data_device, seat, data_device);
  MetaWaylandSurface *surface = NULL;
  MetaWaylandDragGrab *drag_grab;
  ClutterPoint pos;

  if (origin_resource)
    surface = wl_resource_get_user_data (origin_resource);

  if (!surface)
    return;

  if (seat->pointer.button_count == 0 ||
      seat->pointer.grab_serial != serial ||
      !seat->pointer.focus_surface ||
      seat->pointer.focus_surface != surface)
    return;

  /* FIXME: Check that the data source type array isn't empty. */

  if (data_device->current_grab ||
      seat->pointer.grab != &seat->pointer.default_grab)
    return;

  data_device->current_grab = drag_grab = g_slice_new0 (MetaWaylandDragGrab);

  drag_grab->generic.interface = &drag_grab_interface;
  drag_grab->generic.pointer = &seat->pointer;

  drag_grab->drag_client = client;
  drag_grab->seat = seat;

  drag_grab->drag_origin = surface;
  drag_grab->drag_origin_listener.notify = destroy_data_device_origin;
  wl_resource_add_destroy_listener (origin_resource,
                                    &drag_grab->drag_origin_listener);

  clutter_input_device_get_coords (seat->pointer.device, NULL, &pos);
  clutter_actor_transform_stage_point (CLUTTER_ACTOR (meta_surface_actor_get_texture (surface->surface_actor)),
                                       pos.x, pos.y, &pos.x, &pos.y);
  drag_grab->drag_start_x = pos.x;
  drag_grab->drag_start_y = pos.y;

  if (source_resource)
    {
      drag_grab->drag_data_source = wl_resource_get_user_data (source_resource);
      drag_grab->drag_data_source_listener.notify = destroy_data_device_source;
      wl_resource_add_destroy_listener (source_resource,
                                        &drag_grab->drag_data_source_listener);
    }

  if (icon_resource)
    {
      drag_grab->drag_surface = wl_resource_get_user_data (icon_resource);
      drag_grab->drag_icon_listener.notify = destroy_data_device_icon;
      wl_resource_add_destroy_listener (icon_resource,
                                        &drag_grab->drag_icon_listener);

      drag_grab->feedback_actor = meta_dnd_actor_new (CLUTTER_ACTOR (drag_grab->drag_origin->surface_actor),
                                                      drag_grab->drag_start_x,
                                                      drag_grab->drag_start_y);
      meta_feedback_actor_set_anchor (META_FEEDBACK_ACTOR (drag_grab->feedback_actor),
                                      -drag_grab->drag_surface->offset_x,
                                      -drag_grab->drag_surface->offset_y);
      clutter_actor_add_child (drag_grab->feedback_actor,
                               CLUTTER_ACTOR (drag_grab->drag_surface->surface_actor));

      clutter_input_device_get_coords (seat->pointer.device, NULL, &pos);
      meta_feedback_actor_set_position (META_FEEDBACK_ACTOR (drag_grab->feedback_actor),
                                        pos.x, pos.y);
    }

  meta_wayland_pointer_set_focus (&seat->pointer, NULL);
  meta_wayland_pointer_start_grab (&seat->pointer, (MetaWaylandPointerGrab*)drag_grab);
}