wayland: Add MetaWaylandTabletSeat

This object groups all the tablets/tools pertaining to a given seat.
This commit is contained in:
Carlos Garnacho 2015-10-27 15:28:10 +01:00
parent 2ea01aa428
commit 6bbd6d2948
4 changed files with 403 additions and 0 deletions

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@ -296,6 +296,8 @@ libmutter_la_SOURCES += \
wayland/meta-wayland-seat.h \
wayland/meta-wayland-tablet.c \
wayland/meta-wayland-tablet.h \
wayland/meta-wayland-tablet-seat.c \
wayland/meta-wayland-tablet-seat.h \
wayland/meta-wayland-tablet-tool.c \
wayland/meta-wayland-tablet-tool.h \
wayland/meta-wayland-touch.c \

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@ -0,0 +1,334 @@
/*
* 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-v1-server-protocol.h"
#include "meta-wayland-private.h"
#include "meta-wayland-tablet-seat.h"
#include "meta-wayland-tablet.h"
#include "meta-wayland-tablet-tool.h"
static void
unbind_resource (struct wl_resource *resource)
{
wl_list_remove (wl_resource_get_link (resource));
}
static void
notify_tool_added (MetaWaylandTabletSeat *tablet_seat,
struct wl_resource *client_resource,
MetaWaylandTabletTool *tool)
{
struct wl_resource *tool_resource;
struct wl_client *client;
client = wl_resource_get_client (client_resource);
tool_resource = meta_wayland_tablet_tool_lookup_resource (tool, client);
if (!tool_resource)
return;
zwp_tablet_seat_v1_send_tool_added (client_resource, tool_resource);
}
static void
notify_tablet_added (MetaWaylandTabletSeat *tablet_seat,
struct wl_resource *client_resource,
ClutterInputDevice *device)
{
struct wl_resource *resource;
MetaWaylandTablet *tablet;
struct wl_client *client;
tablet = g_hash_table_lookup (tablet_seat->tablets, device);
if (!tablet)
return;
client = wl_resource_get_client (client_resource);
if (meta_wayland_tablet_lookup_resource (tablet, client))
return;
resource = meta_wayland_tablet_create_new_resource (tablet, client,
client_resource, 0);
if (!resource)
return;
zwp_tablet_seat_v1_send_tablet_added (client_resource, resource);
meta_wayland_tablet_notify (tablet, resource);
}
static void
broadcast_tablet_added (MetaWaylandTabletSeat *tablet_seat,
ClutterInputDevice *device)
{
struct wl_resource *resource;
wl_resource_for_each (resource, &tablet_seat->resource_list)
{
notify_tablet_added (tablet_seat, resource, device);
}
}
static void
notify_tablets (MetaWaylandTabletSeat *tablet_seat,
struct wl_resource *client_resource)
{
ClutterInputDevice *device;
GHashTableIter iter;
g_hash_table_iter_init (&iter, tablet_seat->tablets);
while (g_hash_table_iter_next (&iter, (gpointer *) &device, NULL))
notify_tablet_added (tablet_seat, client_resource, device);
}
static gboolean
is_tablet_device (ClutterInputDevice *device)
{
ClutterInputDeviceType device_type;
if (clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER)
return FALSE;
device_type = clutter_input_device_get_device_type (device);
return (device_type == CLUTTER_TABLET_DEVICE ||
device_type == CLUTTER_PEN_DEVICE ||
device_type == CLUTTER_ERASER_DEVICE ||
device_type == CLUTTER_CURSOR_DEVICE);
}
static void
meta_wayland_tablet_seat_device_added (MetaWaylandTabletSeat *tablet_seat,
ClutterInputDevice *device)
{
MetaWaylandTablet *tablet;
if (!is_tablet_device (device))
return;
tablet = meta_wayland_tablet_new (device, tablet_seat);
g_hash_table_insert (tablet_seat->tablets, device, tablet);
broadcast_tablet_added (tablet_seat, device);
}
static void
meta_wayland_tablet_seat_device_removed (MetaWaylandTabletSeat *tablet_seat,
ClutterInputDevice *device)
{
g_hash_table_remove (tablet_seat->tablets, device);
}
static void
tablet_seat_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static const struct zwp_tablet_seat_v1_interface tablet_seat_interface = {
tablet_seat_destroy
};
MetaWaylandTabletSeat *
meta_wayland_tablet_seat_new (MetaWaylandTabletManager *manager)
{
MetaWaylandTabletSeat *tablet_seat;
const GSList *devices, *l;
tablet_seat = g_slice_new0 (MetaWaylandTabletSeat);
tablet_seat->manager = manager;
tablet_seat->device_manager = clutter_device_manager_get_default ();
tablet_seat->tablets = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) meta_wayland_tablet_free);
tablet_seat->tools = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) meta_wayland_tablet_tool_free);
wl_list_init (&tablet_seat->resource_list);
g_signal_connect_swapped (tablet_seat->device_manager, "device-added",
G_CALLBACK (meta_wayland_tablet_seat_device_added),
tablet_seat);
g_signal_connect_swapped (tablet_seat->device_manager, "device-removed",
G_CALLBACK (meta_wayland_tablet_seat_device_removed),
tablet_seat);
devices = clutter_device_manager_peek_devices (tablet_seat->device_manager);
for (l = devices; l; l = l->next)
meta_wayland_tablet_seat_device_added (tablet_seat, l->data);
return tablet_seat;
}
void
meta_wayland_tablet_seat_free (MetaWaylandTabletSeat *tablet_seat)
{
g_signal_handlers_disconnect_by_data (tablet_seat->device_manager,
tablet_seat);
g_hash_table_destroy (tablet_seat->tablets);
g_hash_table_destroy (tablet_seat->tools);
g_slice_free (MetaWaylandTabletSeat, tablet_seat);
}
struct wl_resource *
meta_wayland_tablet_seat_create_new_resource (MetaWaylandTabletSeat *tablet_seat,
struct wl_client *client,
struct wl_resource *manager_resource,
uint32_t id)
{
struct wl_resource *resource;
resource = wl_resource_create (client, &zwp_tablet_seat_v1_interface,
wl_resource_get_version (manager_resource),
id);
wl_resource_set_implementation (resource, &tablet_seat_interface,
tablet_seat, unbind_resource);
wl_resource_set_user_data (resource, tablet_seat);
wl_list_insert (&tablet_seat->resource_list, wl_resource_get_link (resource));
/* Notify client of all available tablets */
notify_tablets (tablet_seat, resource);
return resource;
}
struct wl_resource *
meta_wayland_tablet_seat_lookup_resource (MetaWaylandTabletSeat *tablet_seat,
struct wl_client *client)
{
return wl_resource_find_for_client (&tablet_seat->resource_list, client);
}
MetaWaylandTablet *
meta_wayland_tablet_seat_lookup_tablet (MetaWaylandTabletSeat *tablet_seat,
ClutterInputDevice *device)
{
return g_hash_table_lookup (tablet_seat->tablets, device);
}
MetaWaylandTabletTool *
meta_wayland_tablet_seat_lookup_tool (MetaWaylandTabletSeat *tablet_seat,
ClutterInputDeviceTool *tool)
{
return g_hash_table_lookup (tablet_seat->tools, tool);
}
static MetaWaylandTabletTool *
meta_wayland_tablet_seat_ensure_tool (MetaWaylandTabletSeat *tablet_seat,
ClutterInputDevice *device,
ClutterInputDeviceTool *device_tool)
{
MetaWaylandTabletTool *tool;
tool = g_hash_table_lookup (tablet_seat->tools, device_tool);
if (!tool)
{
tool = meta_wayland_tablet_tool_new (tablet_seat, device, device_tool);
g_hash_table_insert (tablet_seat->tools, device_tool, tool);
}
return tool;
}
void
meta_wayland_tablet_seat_update (MetaWaylandTabletSeat *tablet_seat,
const ClutterEvent *event)
{
ClutterInputDevice *device;
ClutterInputDeviceTool *device_tool;
MetaWaylandTabletTool *tool = NULL;
device = clutter_event_get_source_device (event);
device_tool = clutter_event_get_device_tool (event);
if (device && device_tool)
tool = meta_wayland_tablet_seat_ensure_tool (tablet_seat, device, device_tool);
if (!tool)
return;
switch (event->type)
{
case CLUTTER_PROXIMITY_IN:
case CLUTTER_PROXIMITY_OUT:
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
case CLUTTER_MOTION:
meta_wayland_tablet_tool_update (tool, event);
break;
default:
break;
}
}
gboolean
meta_wayland_tablet_seat_handle_event (MetaWaylandTabletSeat *tablet_seat,
const ClutterEvent *event)
{
ClutterInputDeviceTool *device_tool;
MetaWaylandTabletTool *tool = NULL;
device_tool = clutter_event_get_device_tool (event);
if (device_tool)
tool = g_hash_table_lookup (tablet_seat->tools, device_tool);
if (!tool)
return CLUTTER_EVENT_PROPAGATE;
switch (event->type)
{
case CLUTTER_PROXIMITY_IN:
case CLUTTER_PROXIMITY_OUT:
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
case CLUTTER_MOTION:
meta_wayland_tablet_tool_handle_event (tool, event);
return CLUTTER_EVENT_PROPAGATE;
default:
return CLUTTER_EVENT_STOP;
}
}
void
meta_wayland_tablet_seat_notify_tool (MetaWaylandTabletSeat *tablet_seat,
MetaWaylandTabletTool *tool,
struct wl_client *client)
{
struct wl_resource *resource;
resource = wl_resource_find_for_client (&tablet_seat->resource_list, client);
if (resource)
notify_tool_added (tablet_seat, resource, tool);
}

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@ -0,0 +1,66 @@
/*
* Wayland Support
*
* Copyright (C) 2015 Red Hat
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#ifndef META_WAYLAND_TABLET_SEAT_H
#define META_WAYLAND_TABLET_SEAT_H
#include <wayland-server.h>
#include <glib.h>
#include "meta-wayland-types.h"
struct _MetaWaylandTabletSeat
{
MetaWaylandTabletManager *manager;
ClutterDeviceManager *device_manager;
struct wl_list resource_list;
GHashTable *tablets;
GHashTable *tools;
};
MetaWaylandTabletSeat *meta_wayland_tablet_seat_new (MetaWaylandTabletManager *tablet_manager);
void meta_wayland_tablet_seat_free (MetaWaylandTabletSeat *tablet_seat);
struct wl_resource *meta_wayland_tablet_seat_create_new_resource (MetaWaylandTabletSeat *tablet_seat,
struct wl_client *client,
struct wl_resource *seat_resource,
uint32_t id);
struct wl_resource *meta_wayland_tablet_seat_lookup_resource (MetaWaylandTabletSeat *tablet_seat,
struct wl_client *client);
MetaWaylandTablet *meta_wayland_tablet_seat_lookup_tablet (MetaWaylandTabletSeat *tablet_seat,
ClutterInputDevice *device);
MetaWaylandTabletTool *meta_wayland_tablet_seat_lookup_tool (MetaWaylandTabletSeat *tablet_seat,
ClutterInputDeviceTool *tool);
void meta_wayland_tablet_seat_update (MetaWaylandTabletSeat *tablet_seat,
const ClutterEvent *event);
gboolean meta_wayland_tablet_seat_handle_event (MetaWaylandTabletSeat *tablet_seat,
const ClutterEvent *event);
void meta_wayland_tablet_seat_notify_tool (MetaWaylandTabletSeat *tablet_seat,
MetaWaylandTabletTool *tool,
struct wl_client *client);
#endif /* META_WAYLAND_TABLET_SEAT_H */

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@ -36,6 +36,7 @@ typedef struct _MetaWaylandDragDestFuncs MetaWaylandDragDestFuncs;
typedef struct _MetaWaylandDataOffer MetaWaylandDataOffer;
typedef struct _MetaWaylandDataDevice MetaWaylandDataDevice;
typedef struct _MetaWaylandTabletManager MetaWaylandTabletManager;
typedef struct _MetaWaylandTabletSeat MetaWaylandTabletSeat;
typedef struct _MetaWaylandTabletTool MetaWaylandTabletTool;
typedef struct _MetaWaylandTablet MetaWaylandTablet;