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https://github.com/brl/mutter.git
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wayland: Add MetaWaylandTabletSeat
This object groups all the tablets/tools pertaining to a given seat.
This commit is contained in:
Carlos Garnacho
parent
ee394a6cd3
commit
0deb069f87
@ -296,6 +296,8 @@ libmutter_la_SOURCES += \
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wayland/meta-wayland-seat.h \
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wayland/meta-wayland-tablet.c \
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wayland/meta-wayland-tablet.h \
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wayland/meta-wayland-tablet-seat.c \
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wayland/meta-wayland-tablet-seat.h \
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wayland/meta-wayland-tablet-tool.c \
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wayland/meta-wayland-tablet-tool.h \
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wayland/meta-wayland-touch.c \
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334
src/wayland/meta-wayland-tablet-seat.c
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334
src/wayland/meta-wayland-tablet-seat.c
Normal file
@ -0,0 +1,334 @@
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/*
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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-v1-server-protocol.h"
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#include "meta-wayland-private.h"
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#include "meta-wayland-tablet-seat.h"
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#include "meta-wayland-tablet.h"
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#include "meta-wayland-tablet-tool.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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static void
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notify_tool_added (MetaWaylandTabletSeat *tablet_seat,
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struct wl_resource *client_resource,
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MetaWaylandTabletTool *tool)
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{
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struct wl_resource *tool_resource;
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struct wl_client *client;
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client = wl_resource_get_client (client_resource);
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tool_resource = meta_wayland_tablet_tool_lookup_resource (tool, client);
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if (!tool_resource)
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return;
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zwp_tablet_seat_v1_send_tool_added (client_resource, tool_resource);
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}
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static void
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notify_tablet_added (MetaWaylandTabletSeat *tablet_seat,
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struct wl_resource *client_resource,
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ClutterInputDevice *device)
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{
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struct wl_resource *resource;
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MetaWaylandTablet *tablet;
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struct wl_client *client;
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tablet = g_hash_table_lookup (tablet_seat->tablets, device);
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if (!tablet)
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return;
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client = wl_resource_get_client (client_resource);
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if (meta_wayland_tablet_lookup_resource (tablet, client))
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return;
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resource = meta_wayland_tablet_create_new_resource (tablet, client,
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client_resource, 0);
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if (!resource)
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return;
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zwp_tablet_seat_v1_send_tablet_added (client_resource, resource);
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meta_wayland_tablet_notify (tablet, resource);
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}
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static void
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broadcast_tablet_added (MetaWaylandTabletSeat *tablet_seat,
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ClutterInputDevice *device)
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{
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struct wl_resource *resource;
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wl_resource_for_each (resource, &tablet_seat->resource_list)
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{
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notify_tablet_added (tablet_seat, resource, device);
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}
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}
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static void
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notify_tablets (MetaWaylandTabletSeat *tablet_seat,
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struct wl_resource *client_resource)
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{
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ClutterInputDevice *device;
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GHashTableIter iter;
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g_hash_table_iter_init (&iter, tablet_seat->tablets);
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while (g_hash_table_iter_next (&iter, (gpointer *) &device, NULL))
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notify_tablet_added (tablet_seat, client_resource, device);
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}
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static gboolean
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is_tablet_device (ClutterInputDevice *device)
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{
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ClutterInputDeviceType device_type;
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if (clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER)
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return FALSE;
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device_type = clutter_input_device_get_device_type (device);
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return (device_type == CLUTTER_TABLET_DEVICE ||
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device_type == CLUTTER_PEN_DEVICE ||
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device_type == CLUTTER_ERASER_DEVICE ||
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device_type == CLUTTER_CURSOR_DEVICE);
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}
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static void
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meta_wayland_tablet_seat_device_added (MetaWaylandTabletSeat *tablet_seat,
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ClutterInputDevice *device)
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{
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MetaWaylandTablet *tablet;
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if (!is_tablet_device (device))
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return;
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tablet = meta_wayland_tablet_new (device, tablet_seat);
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g_hash_table_insert (tablet_seat->tablets, device, tablet);
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broadcast_tablet_added (tablet_seat, device);
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}
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static void
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meta_wayland_tablet_seat_device_removed (MetaWaylandTabletSeat *tablet_seat,
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ClutterInputDevice *device)
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{
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g_hash_table_remove (tablet_seat->tablets, device);
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}
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static void
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tablet_seat_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_seat_v1_interface tablet_seat_interface = {
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tablet_seat_destroy
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};
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MetaWaylandTabletSeat *
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meta_wayland_tablet_seat_new (MetaWaylandTabletManager *manager)
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{
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MetaWaylandTabletSeat *tablet_seat;
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const GSList *devices, *l;
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tablet_seat = g_slice_new0 (MetaWaylandTabletSeat);
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tablet_seat->manager = manager;
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tablet_seat->device_manager = clutter_device_manager_get_default ();
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tablet_seat->tablets = g_hash_table_new_full (NULL, NULL, NULL,
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(GDestroyNotify) meta_wayland_tablet_free);
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tablet_seat->tools = g_hash_table_new_full (NULL, NULL, NULL,
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(GDestroyNotify) meta_wayland_tablet_tool_free);
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wl_list_init (&tablet_seat->resource_list);
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g_signal_connect_swapped (tablet_seat->device_manager, "device-added",
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G_CALLBACK (meta_wayland_tablet_seat_device_added),
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tablet_seat);
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g_signal_connect_swapped (tablet_seat->device_manager, "device-removed",
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G_CALLBACK (meta_wayland_tablet_seat_device_removed),
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tablet_seat);
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devices = clutter_device_manager_peek_devices (tablet_seat->device_manager);
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for (l = devices; l; l = l->next)
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meta_wayland_tablet_seat_device_added (tablet_seat, l->data);
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return tablet_seat;
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}
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void
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meta_wayland_tablet_seat_free (MetaWaylandTabletSeat *tablet_seat)
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{
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g_signal_handlers_disconnect_by_data (tablet_seat->device_manager,
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tablet_seat);
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g_hash_table_destroy (tablet_seat->tablets);
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g_hash_table_destroy (tablet_seat->tools);
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g_slice_free (MetaWaylandTabletSeat, tablet_seat);
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}
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struct wl_resource *
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meta_wayland_tablet_seat_create_new_resource (MetaWaylandTabletSeat *tablet_seat,
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struct wl_client *client,
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struct wl_resource *manager_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_seat_v1_interface,
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wl_resource_get_version (manager_resource),
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id);
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wl_resource_set_implementation (resource, &tablet_seat_interface,
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tablet_seat, unbind_resource);
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wl_resource_set_user_data (resource, tablet_seat);
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wl_list_insert (&tablet_seat->resource_list, wl_resource_get_link (resource));
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/* Notify client of all available tablets */
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notify_tablets (tablet_seat, 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_seat_lookup_resource (MetaWaylandTabletSeat *tablet_seat,
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struct wl_client *client)
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{
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return wl_resource_find_for_client (&tablet_seat->resource_list, client);
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}
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MetaWaylandTablet *
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meta_wayland_tablet_seat_lookup_tablet (MetaWaylandTabletSeat *tablet_seat,
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ClutterInputDevice *device)
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{
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return g_hash_table_lookup (tablet_seat->tablets, device);
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}
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MetaWaylandTabletTool *
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meta_wayland_tablet_seat_lookup_tool (MetaWaylandTabletSeat *tablet_seat,
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ClutterInputDeviceTool *tool)
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{
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return g_hash_table_lookup (tablet_seat->tools, tool);
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}
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static MetaWaylandTabletTool *
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meta_wayland_tablet_seat_ensure_tool (MetaWaylandTabletSeat *tablet_seat,
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ClutterInputDevice *device,
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ClutterInputDeviceTool *device_tool)
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{
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MetaWaylandTabletTool *tool;
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tool = g_hash_table_lookup (tablet_seat->tools, device_tool);
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if (!tool)
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{
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tool = meta_wayland_tablet_tool_new (tablet_seat, device, device_tool);
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g_hash_table_insert (tablet_seat->tools, device_tool, tool);
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}
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return tool;
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}
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void
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meta_wayland_tablet_seat_update (MetaWaylandTabletSeat *tablet_seat,
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const ClutterEvent *event)
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{
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ClutterInputDevice *device;
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ClutterInputDeviceTool *device_tool;
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MetaWaylandTabletTool *tool = NULL;
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device = clutter_event_get_source_device (event);
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device_tool = clutter_event_get_device_tool (event);
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if (device && device_tool)
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tool = meta_wayland_tablet_seat_ensure_tool (tablet_seat, device, device_tool);
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if (!tool)
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return;
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switch (event->type)
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{
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case CLUTTER_PROXIMITY_IN:
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case CLUTTER_PROXIMITY_OUT:
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case CLUTTER_BUTTON_PRESS:
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case CLUTTER_BUTTON_RELEASE:
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case CLUTTER_MOTION:
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meta_wayland_tablet_tool_update (tool, event);
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break;
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default:
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break;
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}
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}
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gboolean
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meta_wayland_tablet_seat_handle_event (MetaWaylandTabletSeat *tablet_seat,
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const ClutterEvent *event)
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{
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ClutterInputDeviceTool *device_tool;
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MetaWaylandTabletTool *tool = NULL;
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device_tool = clutter_event_get_device_tool (event);
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if (device_tool)
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tool = g_hash_table_lookup (tablet_seat->tools, device_tool);
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if (!tool)
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return CLUTTER_EVENT_PROPAGATE;
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switch (event->type)
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{
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case CLUTTER_PROXIMITY_IN:
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case CLUTTER_PROXIMITY_OUT:
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case CLUTTER_BUTTON_PRESS:
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case CLUTTER_BUTTON_RELEASE:
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case CLUTTER_MOTION:
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meta_wayland_tablet_tool_handle_event (tool, event);
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return CLUTTER_EVENT_PROPAGATE;
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default:
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return CLUTTER_EVENT_STOP;
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}
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}
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void
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meta_wayland_tablet_seat_notify_tool (MetaWaylandTabletSeat *tablet_seat,
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MetaWaylandTabletTool *tool,
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struct wl_client *client)
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{
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struct wl_resource *resource;
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resource = wl_resource_find_for_client (&tablet_seat->resource_list, client);
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if (resource)
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notify_tool_added (tablet_seat, resource, tool);
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}
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66
src/wayland/meta-wayland-tablet-seat.h
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66
src/wayland/meta-wayland-tablet-seat.h
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@ -0,0 +1,66 @@
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/*
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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 library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Carlos Garnacho <carlosg@gnome.org>
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*/
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#ifndef META_WAYLAND_TABLET_SEAT_H
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#define META_WAYLAND_TABLET_SEAT_H
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#include <wayland-server.h>
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#include <glib.h>
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#include "meta-wayland-types.h"
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struct _MetaWaylandTabletSeat
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{
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MetaWaylandTabletManager *manager;
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ClutterDeviceManager *device_manager;
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struct wl_list resource_list;
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GHashTable *tablets;
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GHashTable *tools;
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};
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MetaWaylandTabletSeat *meta_wayland_tablet_seat_new (MetaWaylandTabletManager *tablet_manager);
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void meta_wayland_tablet_seat_free (MetaWaylandTabletSeat *tablet_seat);
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struct wl_resource *meta_wayland_tablet_seat_create_new_resource (MetaWaylandTabletSeat *tablet_seat,
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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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struct wl_resource *meta_wayland_tablet_seat_lookup_resource (MetaWaylandTabletSeat *tablet_seat,
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struct wl_client *client);
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MetaWaylandTablet *meta_wayland_tablet_seat_lookup_tablet (MetaWaylandTabletSeat *tablet_seat,
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ClutterInputDevice *device);
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MetaWaylandTabletTool *meta_wayland_tablet_seat_lookup_tool (MetaWaylandTabletSeat *tablet_seat,
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ClutterInputDeviceTool *tool);
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void meta_wayland_tablet_seat_update (MetaWaylandTabletSeat *tablet_seat,
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const ClutterEvent *event);
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gboolean meta_wayland_tablet_seat_handle_event (MetaWaylandTabletSeat *tablet_seat,
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const ClutterEvent *event);
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void meta_wayland_tablet_seat_notify_tool (MetaWaylandTabletSeat *tablet_seat,
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MetaWaylandTabletTool *tool,
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struct wl_client *client);
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#endif /* META_WAYLAND_TABLET_SEAT_H */
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@ -37,6 +37,7 @@ typedef struct _MetaWaylandDragDestFuncs MetaWaylandDragDestFuncs;
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typedef struct _MetaWaylandDataOffer MetaWaylandDataOffer;
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typedef struct _MetaWaylandDataDevice MetaWaylandDataDevice;
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typedef struct _MetaWaylandTabletManager MetaWaylandTabletManager;
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typedef struct _MetaWaylandTabletSeat MetaWaylandTabletSeat;
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typedef struct _MetaWaylandTabletTool MetaWaylandTabletTool;
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typedef struct _MetaWaylandTablet MetaWaylandTablet;
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