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wayland: Implement wp_tablet_pad

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This object represents the collection of buttons, strips and rings
in a tablet pad. All the objects created (pad, strips and rings)
share a common focus surface and have the same lifetime.
This commit is contained in:
Carlos Garnacho 2016-05-10 17:14:13 +02:00
parent f8c0301ecc
commit 01fd218e17
3 changed files with 380 additions and 0 deletions
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2
src/Makefile.am
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@ -317,6 +317,8 @@ libmutter_la_SOURCES += \
wayland/meta-wayland-tablet-seat.h \
wayland/meta-wayland-tablet-tool.c \
wayland/meta-wayland-tablet-tool.h \
wayland/meta-wayland-tablet-pad.c \
wayland/meta-wayland-tablet-pad.h \
wayland/meta-wayland-tablet-pad-group.c \
wayland/meta-wayland-tablet-pad-group.h \
wayland/meta-wayland-tablet-pad-ring.c \

304
src/wayland/meta-wayland-tablet-pad.c Normal file
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@ -0,0 +1,304 @@
/*
* Wayland Support
*
* Copyright (C) 2016 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-pad.h"
#include "meta-wayland-tablet-pad-group.h"
#include "meta-wayland-tablet-pad-ring.h"
#include "meta-wayland-tablet-pad-strip.h"
#ifdef HAVE_NATIVE_BACKEND
#include <clutter/evdev/clutter-evdev.h>
#include "backends/native/meta-backend-native.h"
#endif
static void
unbind_resource (struct wl_resource *resource)
{
wl_list_remove (wl_resource_get_link (resource));
}
static void
pad_handle_focus_surface_destroy (struct wl_listener *listener,
void *data)
{
MetaWaylandTabletPad *pad = wl_container_of (listener, pad, focus_surface_listener);
meta_wayland_tablet_pad_set_focus (pad, NULL);
}
MetaWaylandTabletPad *
meta_wayland_tablet_pad_new (ClutterInputDevice *device,
MetaWaylandTabletSeat *tablet_seat)
{
MetaBackend *backend = meta_get_backend ();
MetaWaylandTabletPad *pad;
guint n_mode_groups, i;
pad = g_slice_new0 (MetaWaylandTabletPad);
wl_list_init (&pad->resource_list);
wl_list_init (&pad->focus_resource_list);
pad->focus_surface_listener.notify = pad_handle_focus_surface_destroy;
pad->device = device;
pad->tablet_seat = tablet_seat;
pad->feedback = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) g_free);
#ifdef HAVE_NATIVE_BACKEND
/* Buttons, only can be honored this with the native backend */
if (META_IS_BACKEND_NATIVE (backend))
{
struct libinput_device *libinput_device;
libinput_device = clutter_evdev_input_device_get_libinput_device (device);
pad->n_buttons = libinput_device_tablet_pad_get_num_buttons (libinput_device);
}
#endif
n_mode_groups = clutter_input_device_get_n_mode_groups (pad->device);
for (i = 0; i < n_mode_groups; i++)
{
pad->groups = g_list_prepend (pad->groups,
meta_wayland_tablet_pad_group_new (pad));
}
return pad;
}
void
meta_wayland_tablet_pad_free (MetaWaylandTabletPad *pad)
{
struct wl_resource *resource, *next;
GList *l;
meta_wayland_tablet_pad_set_focus (pad, NULL);
wl_resource_for_each_safe (resource, next, &pad->resource_list)
{
zwp_tablet_pad_v2_send_removed (resource);
wl_list_remove (wl_resource_get_link (resource));
wl_list_init (wl_resource_get_link (resource));
}
for (l = pad->groups; l; l = l->next)
meta_wayland_tablet_pad_group_free (l->data);
g_list_free (pad->groups);
g_hash_table_destroy (pad->feedback);
g_slice_free (MetaWaylandTabletPad, pad);
}
static void
tablet_pad_set_feedback (struct wl_client *client,
struct wl_resource *resource,
uint32_t button,
const char *str,
uint32_t serial)
{
MetaWaylandTabletPad *pad = wl_resource_get_user_data (resource);
/* FIXME: check serial */
g_hash_table_insert (pad->feedback, GUINT_TO_POINTER (button), g_strdup (str));
}
static void
tablet_pad_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static const struct zwp_tablet_pad_v2_interface pad_interface = {
tablet_pad_set_feedback,
tablet_pad_destroy,
};
void
meta_wayland_tablet_pad_notify (MetaWaylandTabletPad *pad,
struct wl_resource *resource)
{
struct wl_client *client = wl_resource_get_client (resource);
GList *l;
zwp_tablet_pad_v2_send_path (resource, clutter_input_device_get_device_node (pad->device));
zwp_tablet_pad_v2_send_buttons (resource, pad->n_buttons);
for (l = pad->groups; l; l = l->next)
{
MetaWaylandTabletPadGroup *group = l->data;
struct wl_resource *group_resource;
group_resource = meta_wayland_tablet_pad_group_create_new_resource (group,
client,
resource,
0);
zwp_tablet_pad_v2_send_group (resource, group_resource);
meta_wayland_tablet_pad_group_notify (group, group_resource);
}
zwp_tablet_pad_v2_send_done (resource);
}
struct wl_resource *
meta_wayland_tablet_pad_create_new_resource (MetaWaylandTabletPad *pad,
struct wl_client *client,
struct wl_resource *seat_resource,
uint32_t id)
{
struct wl_resource *resource;
resource = wl_resource_create (client, &zwp_tablet_pad_v2_interface,
wl_resource_get_version (seat_resource), id);
wl_resource_set_implementation (resource, &pad_interface,
pad, unbind_resource);
wl_resource_set_user_data (resource, pad);
wl_list_insert (&pad->resource_list, wl_resource_get_link (resource));
return resource;
}
struct wl_resource *
meta_wayland_tablet_pad_lookup_resource (MetaWaylandTabletPad *pad,
struct wl_client *client)
{
struct wl_resource *resource;
resource = wl_resource_find_for_client (&pad->resource_list, client);
if (!resource)
resource = wl_resource_find_for_client (&pad->focus_resource_list, client);
return resource;
}
static gboolean
handle_pad_button_event (MetaWaylandTabletPad *pad,
const ClutterEvent *event)
{
enum zwp_tablet_pad_v2_button_state button_state;
struct wl_list *l = &pad->focus_resource_list;
struct wl_resource *resource;
if (wl_list_empty (l))
return FALSE;
if (event->type == CLUTTER_PAD_BUTTON_PRESS)
button_state = ZWP_TABLET_TOOL_V2_BUTTON_STATE_PRESSED;
else if (event->type == CLUTTER_PAD_BUTTON_RELEASE)
button_state = ZWP_TABLET_TOOL_V2_BUTTON_STATE_RELEASED;
else
return FALSE;
wl_resource_for_each (resource, l)
{
zwp_tablet_pad_v2_send_button (resource,
clutter_event_get_time (event),
event->pad_button.button, button_state);
}
return TRUE;
}
gboolean
meta_wayland_tablet_pad_handle_event (MetaWaylandTabletPad *pad,
const ClutterEvent *event)
{
MetaWaylandTabletPadGroup *group;
gboolean handled = FALSE;
guint n_group;
n_group = clutter_event_get_mode_group (event);
group = g_list_nth_data (pad->groups, n_group);
switch (clutter_event_type (event))
{
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
if (group)
handled |= meta_wayland_tablet_pad_group_handle_event (group, event);
if (handled)
return TRUE;
return handle_pad_button_event (pad, event);
case CLUTTER_PAD_RING:
case CLUTTER_PAD_STRIP:
if (group)
return meta_wayland_tablet_pad_group_handle_event (group, event);
default:
return FALSE;
}
}
static void
move_resources (struct wl_list *destination, struct wl_list *source)
{
wl_list_insert_list (destination, source);
wl_list_init (source);
}
static void
move_resources_for_client (struct wl_list *destination,
struct wl_list *source,
struct wl_client *client)
{
struct wl_resource *resource, *tmp;
wl_resource_for_each_safe (resource, tmp, source)
{
if (wl_resource_get_client (resource) == client)
{
wl_list_remove (wl_resource_get_link (resource));
wl_list_insert (destination, wl_resource_get_link (resource));
}
}
}
static void
meta_wayland_tablet_pad_update_groups_focus (MetaWaylandTabletPad *pad)
{
GList *l;
for (l = pad->groups; l; l = l->next)
meta_wayland_tablet_pad_group_sync_focus (l->data);
}
void
meta_wayland_tablet_pad_set_focus (MetaWaylandTabletPad *pad,
MetaWaylandSurface *surface)
{
}

74
src/wayland/meta-wayland-tablet-pad.h Normal file
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@ -0,0 +1,74 @@
/*
* Wayland Support
*
* Copyright (C) 2016 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_PAD_H
#define META_WAYLAND_TABLET_PAD_H
#include <wayland-server.h>
#include <glib.h>
#include "meta-wayland-types.h"
#include "meta-cursor-renderer.h"
struct _MetaWaylandTabletPad
{
MetaWaylandTabletSeat *tablet_seat;
ClutterInputDevice *device;
struct wl_list resource_list;
struct wl_list focus_resource_list;
MetaWaylandSurface *focus_surface;
struct wl_listener focus_surface_listener;
uint32_t focus_serial;
uint32_t n_buttons;
GList *groups;
GHashTable *feedback;
MetaWaylandSurface *focus;
};
MetaWaylandTabletPad * meta_wayland_tablet_pad_new (ClutterInputDevice *device,
MetaWaylandTabletSeat *tablet_seat);
void meta_wayland_tablet_pad_free (MetaWaylandTabletPad *pad);
struct wl_resource *
meta_wayland_tablet_pad_create_new_resource (MetaWaylandTabletPad *pad,
struct wl_client *client,
struct wl_resource *seat_resource,
uint32_t id);
struct wl_resource *
meta_wayland_tablet_pad_lookup_resource (MetaWaylandTabletPad *pad,
struct wl_client *client);
void meta_wayland_tablet_pad_notify (MetaWaylandTabletPad *pad,
struct wl_resource *resource);
gboolean meta_wayland_tablet_pad_handle_event (MetaWaylandTabletPad *pad,
const ClutterEvent *event);
void meta_wayland_tablet_pad_set_focus (MetaWaylandTabletPad *pad,
MetaWaylandSurface *surface);
#endif /* META_WAYLAND_TABLET_PAD_H */