2f4a68c8c3
The order and way include macros were structured was chaotic, with no real common thread between files. Try to tidy up the mess with some common scheme, to make things look less messy.
208 lines
6 KiB
C
208 lines
6 KiB
C
/*
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* Wayland Support
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*
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* Copyright (C) 2016 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 "wayland/meta-wayland-tablet-pad-ring.h"
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#include <glib.h>
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#include <wayland-server.h>
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#include "compositor/meta-surface-actor-wayland.h"
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#include "wayland/meta-wayland-private.h"
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#include "wayland/meta-wayland-tablet-pad.h"
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#include "wayland/meta-wayland-tablet-pad-group.h"
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#include "tablet-unstable-v2-server-protocol.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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MetaWaylandTabletPadRing *
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meta_wayland_tablet_pad_ring_new (MetaWaylandTabletPad *pad)
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{
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MetaWaylandTabletPadRing *ring;
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ring = g_slice_new0 (MetaWaylandTabletPadRing);
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wl_list_init (&ring->resource_list);
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wl_list_init (&ring->focus_resource_list);
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ring->pad = pad;
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return ring;
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}
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void
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meta_wayland_tablet_pad_ring_free (MetaWaylandTabletPadRing *ring)
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{
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struct wl_resource *resource, *next;
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wl_resource_for_each_safe (resource, next, &ring->resource_list)
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{
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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_free (ring->feedback);
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g_slice_free (MetaWaylandTabletPadRing, ring);
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}
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static void
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tablet_pad_ring_set_feedback (struct wl_client *client,
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struct wl_resource *resource,
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const char *str,
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uint32_t serial)
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{
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MetaWaylandTabletPadRing *ring = wl_resource_get_user_data (resource);
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if (ring->group->mode_switch_serial != serial)
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return;
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ring->feedback = g_strdup (str);
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}
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static void
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tablet_pad_ring_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_pad_ring_v2_interface ring_interface = {
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tablet_pad_ring_set_feedback,
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tablet_pad_ring_destroy,
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};
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struct wl_resource *
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meta_wayland_tablet_pad_ring_create_new_resource (MetaWaylandTabletPadRing *ring,
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struct wl_client *client,
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struct wl_resource *group_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_pad_ring_v2_interface,
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wl_resource_get_version (group_resource), id);
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wl_resource_set_implementation (resource, &ring_interface,
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ring, unbind_resource);
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wl_resource_set_user_data (resource, ring);
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wl_list_insert (&ring->resource_list, wl_resource_get_link (resource));
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return resource;
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}
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gboolean
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meta_wayland_tablet_pad_ring_handle_event (MetaWaylandTabletPadRing *ring,
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const ClutterEvent *event)
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{
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struct wl_list *focus_resources = &ring->focus_resource_list;
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enum zwp_tablet_pad_ring_v2_source source;
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gboolean source_known = FALSE;
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struct wl_resource *resource;
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if (wl_list_empty (focus_resources))
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return FALSE;
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if (event->type != CLUTTER_PAD_RING)
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return FALSE;
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if (event->pad_ring.ring_source == CLUTTER_INPUT_DEVICE_PAD_SOURCE_FINGER)
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{
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source = ZWP_TABLET_PAD_RING_V2_SOURCE_FINGER;
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source_known = TRUE;
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}
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wl_resource_for_each (resource, focus_resources)
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{
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gdouble angle = event->pad_ring.angle;
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if (source_known)
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zwp_tablet_pad_ring_v2_send_source (resource, source);
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if (angle >= 0)
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zwp_tablet_pad_ring_v2_send_angle (resource,
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wl_fixed_from_double (angle));
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else
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zwp_tablet_pad_ring_v2_send_stop (resource);
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zwp_tablet_pad_ring_v2_send_frame (resource,
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clutter_event_get_time (event));
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}
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return TRUE;
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}
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static void
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move_resources (struct wl_list *destination, struct wl_list *source)
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{
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wl_list_insert_list (destination, source);
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wl_list_init (source);
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}
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static void
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move_resources_for_client (struct wl_list *destination,
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struct wl_list *source,
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struct wl_client *client)
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{
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struct wl_resource *resource, *tmp;
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wl_resource_for_each_safe (resource, tmp, source)
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{
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if (wl_resource_get_client (resource) == client)
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{
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wl_list_remove (wl_resource_get_link (resource));
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wl_list_insert (destination, wl_resource_get_link (resource));
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}
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}
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}
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void
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meta_wayland_tablet_pad_ring_sync_focus (MetaWaylandTabletPadRing *ring)
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{
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g_clear_pointer (&ring->feedback, g_free);
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if (!wl_list_empty (&ring->focus_resource_list))
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{
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move_resources (&ring->resource_list, &ring->focus_resource_list);
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}
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if (ring->pad->focus_surface != NULL)
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{
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move_resources_for_client (&ring->focus_resource_list,
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&ring->resource_list,
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wl_resource_get_client (ring->pad->focus_surface->resource));
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}
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}
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void
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meta_wayland_tablet_pad_ring_set_group (MetaWaylandTabletPadRing *ring,
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MetaWaylandTabletPadGroup *group)
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{
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/* Group is static, can only be set once */
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g_assert (ring->group == NULL);
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ring->group = group;
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group->rings = g_list_append (group->rings, ring);
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}
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