mutter/src/wayland/meta-wayland-tablet.c
Carlos Garnacho c75eac27a8 wayland: Handle NULL event node/vendor/product on tablet methods
We currently don't handle NULLs on these correctly, yet they can be
so when running nested. Just refrain from sending those wp_tablet(_pad)
events in that case.
2018-02-09 13:39:15 +01:00

131 lines
3.8 KiB
C

/*
* Wayland Support
*
* Copyright (C) 2015 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#define _GNU_SOURCE
#include "config.h"
#include <glib.h>
#include <wayland-server.h>
#include "tablet-unstable-v2-server-protocol.h"
#include "meta-surface-actor-wayland.h"
#include "meta-wayland-private.h"
#include "meta-wayland-tablet.h"
static void
unbind_resource (struct wl_resource *resource)
{
wl_list_remove (wl_resource_get_link (resource));
}
MetaWaylandTablet *
meta_wayland_tablet_new (ClutterInputDevice *device,
MetaWaylandTabletSeat *tablet_seat)
{
MetaWaylandTablet *tablet;
tablet = g_slice_new0 (MetaWaylandTablet);
wl_list_init (&tablet->resource_list);
tablet->device = device;
tablet->tablet_seat = tablet_seat;
return tablet;
}
void
meta_wayland_tablet_free (MetaWaylandTablet *tablet)
{
struct wl_resource *resource, *next;
wl_resource_for_each_safe (resource, next, &tablet->resource_list)
{
zwp_tablet_v2_send_removed (resource);
wl_list_remove (wl_resource_get_link (resource));
wl_list_init (wl_resource_get_link (resource));
}
g_slice_free (MetaWaylandTablet, tablet);
}
static void
tablet_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static const struct zwp_tablet_v2_interface tablet_interface = {
tablet_destroy
};
void
meta_wayland_tablet_notify (MetaWaylandTablet *tablet,
struct wl_resource *resource)
{
ClutterInputDevice *device = tablet->device;
const gchar *node_path, *vendor, *product;
guint vid, pid;
zwp_tablet_v2_send_name (resource, clutter_input_device_get_device_name (device));
node_path = clutter_input_device_get_device_node (device);
if (node_path)
zwp_tablet_v2_send_path (resource, node_path);
vendor = clutter_input_device_get_vendor_id (device);
product = clutter_input_device_get_product_id (device);
if (vendor && sscanf (vendor, "%x", &vid) == 1 &&
product && sscanf (product, "%x", &pid) == 1)
zwp_tablet_v2_send_id (resource, vid, pid);
zwp_tablet_v2_send_done (resource);
}
struct wl_resource *
meta_wayland_tablet_create_new_resource (MetaWaylandTablet *tablet,
struct wl_client *client,
struct wl_resource *seat_resource,
uint32_t id)
{
struct wl_resource *resource;
resource = wl_resource_create (client, &zwp_tablet_v2_interface,
wl_resource_get_version (seat_resource), id);
wl_resource_set_implementation (resource, &tablet_interface,
tablet, unbind_resource);
wl_resource_set_user_data (resource, tablet);
wl_list_insert (&tablet->resource_list, wl_resource_get_link (resource));
return resource;
}
struct wl_resource *
meta_wayland_tablet_lookup_resource (MetaWaylandTablet *tablet,
struct wl_client *client)
{
return wl_resource_find_for_client (&tablet->resource_list, client);
}