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c75eac27a8
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.
131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*
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* Wayland Support
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*
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* Copyright (C) 2015 Red Hat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Author: Carlos Garnacho <carlosg@gnome.org>
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*/
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#define _GNU_SOURCE
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#include "config.h"
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#include <glib.h>
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#include <wayland-server.h>
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#include "tablet-unstable-v2-server-protocol.h"
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#include "meta-surface-actor-wayland.h"
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#include "meta-wayland-private.h"
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#include "meta-wayland-tablet.h"
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static void
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unbind_resource (struct wl_resource *resource)
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{
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wl_list_remove (wl_resource_get_link (resource));
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}
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MetaWaylandTablet *
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meta_wayland_tablet_new (ClutterInputDevice *device,
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MetaWaylandTabletSeat *tablet_seat)
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{
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MetaWaylandTablet *tablet;
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tablet = g_slice_new0 (MetaWaylandTablet);
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wl_list_init (&tablet->resource_list);
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tablet->device = device;
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tablet->tablet_seat = tablet_seat;
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return tablet;
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}
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void
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meta_wayland_tablet_free (MetaWaylandTablet *tablet)
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{
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struct wl_resource *resource, *next;
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wl_resource_for_each_safe (resource, next, &tablet->resource_list)
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{
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zwp_tablet_v2_send_removed (resource);
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wl_list_remove (wl_resource_get_link (resource));
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wl_list_init (wl_resource_get_link (resource));
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}
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g_slice_free (MetaWaylandTablet, tablet);
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}
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static void
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tablet_destroy (struct wl_client *client,
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struct wl_resource *resource)
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{
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wl_resource_destroy (resource);
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}
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static const struct zwp_tablet_v2_interface tablet_interface = {
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tablet_destroy
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};
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void
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meta_wayland_tablet_notify (MetaWaylandTablet *tablet,
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struct wl_resource *resource)
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{
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ClutterInputDevice *device = tablet->device;
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const gchar *node_path, *vendor, *product;
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guint vid, pid;
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zwp_tablet_v2_send_name (resource, clutter_input_device_get_device_name (device));
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node_path = clutter_input_device_get_device_node (device);
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if (node_path)
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zwp_tablet_v2_send_path (resource, node_path);
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vendor = clutter_input_device_get_vendor_id (device);
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product = clutter_input_device_get_product_id (device);
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if (vendor && sscanf (vendor, "%x", &vid) == 1 &&
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product && sscanf (product, "%x", &pid) == 1)
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zwp_tablet_v2_send_id (resource, vid, pid);
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zwp_tablet_v2_send_done (resource);
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}
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struct wl_resource *
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meta_wayland_tablet_create_new_resource (MetaWaylandTablet *tablet,
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struct wl_client *client,
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struct wl_resource *seat_resource,
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uint32_t id)
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{
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struct wl_resource *resource;
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resource = wl_resource_create (client, &zwp_tablet_v2_interface,
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wl_resource_get_version (seat_resource), id);
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wl_resource_set_implementation (resource, &tablet_interface,
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tablet, unbind_resource);
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wl_resource_set_user_data (resource, tablet);
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wl_list_insert (&tablet->resource_list, wl_resource_get_link (resource));
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return resource;
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}
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struct wl_resource *
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meta_wayland_tablet_lookup_resource (MetaWaylandTablet *tablet,
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struct wl_client *client)
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{
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return wl_resource_find_for_client (&tablet->resource_list, client);
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}
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