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wayland: Implement wp_tablet_pad_group

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This commit is contained in:
Carlos Garnacho 2016-06-22 14:45:43 +02:00
parent 828277f5e0
commit c5d0791710
4 changed files with 533 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-group.c \
wayland/meta-wayland-tablet-pad-group.h \
wayland/meta-wayland-tablet-pad-ring.c \
wayland/meta-wayland-tablet-pad-ring.h \
wayland/meta-wayland-tablet-pad-strip.c \

457
src/wayland/meta-wayland-tablet-pad-group.c Normal file
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@ -0,0 +1,457 @@
/*
* 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 <wayland-server.h>
#include "tablet-unstable-v2-server-protocol.h"
#include "meta-surface-actor-wayland.h"
#include "meta-wayland-tablet-seat.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));
}
MetaWaylandTabletPadGroup *
meta_wayland_tablet_pad_group_new (MetaWaylandTabletPad *pad)
{
MetaWaylandTabletPadGroup *group;
guint n_elems, i;
group = g_slice_new0 (MetaWaylandTabletPadGroup);
wl_list_init (&group->resource_list);
wl_list_init (&group->focus_resource_list);
group->pad = pad;
n_elems = clutter_input_device_get_n_rings (pad->device);
for (i = 0; i < n_elems; i++)
{
group->rings = g_list_prepend (group->rings,
meta_wayland_tablet_pad_ring_new (pad));
}
n_elems = clutter_input_device_get_n_strips (pad->device);
for (i = 0; i < n_elems; i++)
{
group->strips = g_list_prepend (group->strips,
meta_wayland_tablet_pad_strip_new (pad));
}
return group;
}
void
meta_wayland_tablet_pad_group_free (MetaWaylandTabletPadGroup *group)
{
struct wl_resource *resource, *next;
GList *l;
wl_resource_for_each_safe (resource, next, &group->resource_list)
{
wl_list_remove (wl_resource_get_link (resource));
wl_list_init (wl_resource_get_link (resource));
}
for (l = group->rings; l; l = l->next)
meta_wayland_tablet_pad_ring_free (l->data);
for (l = group->strips; l; l = l->next)
meta_wayland_tablet_pad_strip_free (l->data);
g_list_free (group->rings);
g_list_free (group->strips);
g_slice_free (MetaWaylandTabletPadGroup, group);
}
static void
tablet_pad_group_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static const struct zwp_tablet_pad_group_v2_interface group_interface = {
tablet_pad_group_destroy
};
struct wl_resource *
meta_wayland_tablet_pad_group_create_new_resource (MetaWaylandTabletPadGroup *group,
struct wl_client *client,
struct wl_resource *pad_resource,
uint32_t id)
{
struct wl_resource *resource;
resource = wl_resource_create (client, &zwp_tablet_pad_group_v2_interface,
wl_resource_get_version (pad_resource), id);
wl_resource_set_implementation (resource, &group_interface,
group, unbind_resource);
wl_resource_set_user_data (resource, group);
wl_list_insert (&group->resource_list, wl_resource_get_link (resource));
return resource;
}
struct wl_resource *
meta_wayland_tablet_pad_group_lookup_resource (MetaWaylandTabletPadGroup *group,
struct wl_client *client)
{
struct wl_resource *resource;
resource = wl_resource_find_for_client (&group->resource_list, client);
if (!resource)
resource = wl_resource_find_for_client (&group->focus_resource_list, client);
return resource;
}
static guint
tablet_pad_group_get_current_mode (MetaWaylandTabletPadGroup *group)
{
MetaBackend *backend = meta_get_backend ();
#ifdef HAVE_NATIVE_BACKEND
if (META_IS_BACKEND_NATIVE (backend))
{
struct libinput_device *libinput_device;
struct libinput_tablet_pad_mode_group *mode_group;
guint n_group;
libinput_device = clutter_evdev_input_device_get_libinput_device (group->pad->device);
n_group = g_list_index (group->pad->groups, group);
mode_group = libinput_device_tablet_pad_get_mode_group (libinput_device, n_group);
return libinput_tablet_pad_mode_group_get_mode (mode_group);
}
else
#endif
return 0;
}
static guint
tablet_pad_group_get_n_modes (MetaWaylandTabletPadGroup *group)
{
MetaBackend *backend = meta_get_backend ();
guint n_modes = 1;
#ifdef HAVE_NATIVE_BACKEND
if (META_IS_BACKEND_NATIVE (backend))
{
struct libinput_device *libinput_device;
struct libinput_tablet_pad_mode_group *mode_group;
guint n_group;
libinput_device = clutter_evdev_input_device_get_libinput_device (group->pad->device);
n_group = g_list_index (group->pad->groups, group);
mode_group = libinput_device_tablet_pad_get_mode_group (libinput_device, n_group);
n_modes = libinput_tablet_pad_mode_group_get_num_modes (mode_group);
}
#endif
return n_modes;
}
static gboolean
tablet_pad_group_has_button (MetaWaylandTabletPadGroup *group,
guint button)
{
MetaBackend *backend = meta_get_backend ();
#ifdef HAVE_NATIVE_BACKEND
if (META_IS_BACKEND_NATIVE (backend))
{
struct libinput_device *libinput_device;
struct libinput_tablet_pad_mode_group *mode_group;
guint n_group;
libinput_device = clutter_evdev_input_device_get_libinput_device (group->pad->device);
n_group = g_list_index (group->pad->groups, group);
mode_group = libinput_device_tablet_pad_get_mode_group (libinput_device, n_group);
return libinput_tablet_pad_mode_group_has_button (mode_group, button);
}
else
#endif
{
return g_list_length (group->pad->groups) == 1;
}
}
void
meta_wayland_tablet_pad_group_notify (MetaWaylandTabletPadGroup *group,
struct wl_resource *resource)
{
struct wl_client *client = wl_resource_get_client (resource);
struct wl_array buttons;
guint i, n_modes;
GList *l;
wl_array_init (&buttons);
/* Buttons */
for (i = 0; i < group->pad->n_buttons; i++)
{
uint32_t *pos;
if (!tablet_pad_group_has_button (group, i))
continue;
pos = wl_array_add (&buttons, sizeof (*pos));
*pos = i;
}
zwp_tablet_pad_group_v2_send_buttons (resource, &buttons);
wl_array_release (&buttons);
/* Rings */
for (l = group->rings; l; l = l->next)
{
MetaWaylandTabletPadRing *ring = l->data;
struct wl_resource *ring_resource;
ring_resource = meta_wayland_tablet_pad_ring_create_new_resource (ring,
client,
resource,
0);
zwp_tablet_pad_group_v2_send_ring (resource, ring_resource);
}
/* Strips */
for (l = group->strips; l; l = l->next)
{
MetaWaylandTabletPadStrip *strip = l->data;
struct wl_resource *strip_resource;
strip_resource = meta_wayland_tablet_pad_strip_create_new_resource (strip,
client,
resource,
0);
zwp_tablet_pad_group_v2_send_strip (resource, strip_resource);
}
n_modes = tablet_pad_group_get_n_modes (group);
zwp_tablet_pad_group_v2_send_modes (resource, n_modes);
zwp_tablet_pad_group_v2_send_done (resource);
}
void
meta_wayland_tablet_pad_group_update (MetaWaylandTabletPadGroup *group,
const ClutterEvent *event)
{
switch (event->type)
{
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
if (meta_wayland_tablet_pad_group_is_mode_switch_button (group, event->pad_button.button))
group->current_mode = tablet_pad_group_get_current_mode (group);
break;
default:
break;
}
}
static gboolean
handle_pad_ring_event (MetaWaylandTabletPadGroup *group,
const ClutterEvent *event)
{
MetaWaylandTabletPadRing *ring;
if (event->type != CLUTTER_PAD_RING)
return FALSE;
ring = g_list_nth_data (group->rings, event->pad_ring.ring_number);
if (!ring)
return FALSE;
return meta_wayland_tablet_pad_ring_handle_event (ring, event);
}
static gboolean
handle_pad_strip_event (MetaWaylandTabletPadGroup *group,
const ClutterEvent *event)
{
MetaWaylandTabletPadStrip *strip;
if (event->type != CLUTTER_PAD_STRIP)
return FALSE;
strip = g_list_nth_data (group->strips, event->pad_strip.strip_number);
if (!strip)
return FALSE;
return meta_wayland_tablet_pad_strip_handle_event (strip, event);
}
static void
broadcast_group_mode (MetaWaylandTabletPadGroup *group,
uint32_t time)
{
struct wl_display *display = group->pad->tablet_seat->seat->wl_display;
struct wl_resource *resource;
group->mode_switch_serial = wl_display_next_serial (display);
wl_resource_for_each (resource, &group->focus_resource_list)
{
zwp_tablet_pad_group_v2_send_mode_switch (resource, time,
group->mode_switch_serial,
group->current_mode);
}
}
gboolean
meta_wayland_tablet_pad_group_handle_event (MetaWaylandTabletPadGroup *group,
const ClutterEvent *event)
{
switch (clutter_event_type (event))
{
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
if (meta_wayland_tablet_pad_group_is_mode_switch_button (group, event->pad_button.button))
{
if (event->type == CLUTTER_PAD_BUTTON_PRESS)
broadcast_group_mode (group, clutter_event_get_time (event));
return TRUE;
}
else
{
return FALSE;
}
break;
case CLUTTER_PAD_RING:
return handle_pad_ring_event (group, event);
case CLUTTER_PAD_STRIP:
return handle_pad_strip_event (group, event);
default:
return FALSE;
}
}
static void
meta_wayland_tablet_pad_group_update_rings_focus (MetaWaylandTabletPadGroup *group)
{
GList *l;
for (l = group->rings; l; l = l->next)
meta_wayland_tablet_pad_ring_sync_focus (l->data);
}
static void
meta_wayland_tablet_pad_group_update_strips_focus (MetaWaylandTabletPadGroup *group)
{
GList *l;
for (l = group->strips; l; l = l->next)
meta_wayland_tablet_pad_strip_sync_focus (l->data);
}
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));
}
}
}
void
meta_wayland_tablet_pad_group_sync_focus (MetaWaylandTabletPadGroup *group)
{
if (!wl_list_empty (&group->focus_resource_list))
{
move_resources (&group->resource_list, &group->focus_resource_list);
}
if (group->pad->focus_surface != NULL)
{
move_resources_for_client (&group->focus_resource_list,
&group->resource_list,
wl_resource_get_client (group->pad->focus_surface->resource));
}
meta_wayland_tablet_pad_group_update_rings_focus (group);
meta_wayland_tablet_pad_group_update_strips_focus (group);
if (!wl_list_empty (&group->focus_resource_list))
{
broadcast_group_mode (group, clutter_get_current_event_time ());
}
}
gboolean
meta_wayland_tablet_pad_group_is_mode_switch_button (MetaWaylandTabletPadGroup *group,
guint button)
{
MetaBackend *backend = meta_get_backend ();
#ifdef HAVE_NATIVE_BACKEND
if (META_IS_BACKEND_NATIVE (backend))
{
struct libinput_device *libinput_device;
struct libinput_tablet_pad_mode_group *mode_group;
guint n_group;
libinput_device = clutter_evdev_input_device_get_libinput_device (group->pad->device);
n_group = g_list_index (group->pad->groups, group);
mode_group = libinput_device_tablet_pad_get_mode_group (libinput_device, n_group);
return libinput_tablet_pad_mode_group_button_is_toggle (mode_group, button) != 0;
}
else
#endif
return FALSE;
}

72
src/wayland/meta-wayland-tablet-pad-group.h Normal file
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@ -0,0 +1,72 @@
/*
* 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_GROUP_H
#define META_WAYLAND_TABLET_PAD_GROUP_H
#include <wayland-server.h>
#include <glib.h>
#include "clutter/clutter.h"
#include "meta-wayland-types.h"
struct _MetaWaylandTabletPadGroup
{
MetaWaylandTabletPad *pad;
GArray *buttons;
uint32_t n_modes;
uint32_t current_mode;
struct wl_list resource_list;
struct wl_list focus_resource_list;
uint32_t mode_switch_serial;
GList *strips;
GList *rings;
};
MetaWaylandTabletPadGroup * meta_wayland_tablet_pad_group_new (MetaWaylandTabletPad *pad);
void meta_wayland_tablet_pad_group_free (MetaWaylandTabletPadGroup *group);
struct wl_resource *
meta_wayland_tablet_pad_group_create_new_resource (MetaWaylandTabletPadGroup *group,
struct wl_client *client,
struct wl_resource *pad_resource,
uint32_t id);
struct wl_resource *
meta_wayland_tablet_pad_group_lookup_resource (MetaWaylandTabletPadGroup *group,
struct wl_client *client);
void meta_wayland_tablet_pad_group_notify (MetaWaylandTabletPadGroup *group,
struct wl_resource *resource);
void meta_wayland_tablet_pad_group_update (MetaWaylandTabletPadGroup *group,
const ClutterEvent *event);
gboolean meta_wayland_tablet_pad_group_handle_event (MetaWaylandTabletPadGroup *group,
const ClutterEvent *event);
void meta_wayland_tablet_pad_group_sync_focus (MetaWaylandTabletPadGroup *group);
gboolean meta_wayland_tablet_pad_group_is_mode_switch_button (MetaWaylandTabletPadGroup *group,
guint button);
#endif /* META_WAYLAND_TABLET_PAD_GROUP_H */

2
src/wayland/meta-wayland-types.h
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@ -41,6 +41,8 @@ typedef struct _MetaWaylandTabletManager MetaWaylandTabletManager;
typedef struct _MetaWaylandTabletSeat MetaWaylandTabletSeat;
typedef struct _MetaWaylandTabletTool MetaWaylandTabletTool;
typedef struct _MetaWaylandTablet MetaWaylandTablet;
typedef struct _MetaWaylandTabletPad MetaWaylandTabletPad;
typedef struct _MetaWaylandTabletPadGroup MetaWaylandTabletPadGroup;
typedef struct _MetaWaylandTabletPadStrip MetaWaylandTabletPadStrip;
typedef struct _MetaWaylandTabletPadRing MetaWaylandTabletPadRing;