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wayland: Implement wp_tablet_pad_strip

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This represents pad sliders.
This commit is contained in:
Carlos Garnacho 2016-05-10 17:12:08 +02:00
parent e56d6b06cf
commit 828277f5e0
4 changed files with 253 additions and 0 deletions
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2
src/Makefile.am
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@ -319,6 +319,8 @@ libmutter_la_SOURCES += \
wayland/meta-wayland-tablet-tool.h \
wayland/meta-wayland-tablet-pad-ring.c \
wayland/meta-wayland-tablet-pad-ring.h \
wayland/meta-wayland-tablet-pad-strip.c \
wayland/meta-wayland-tablet-pad-strip.h \
wayland/meta-wayland-touch.c \
wayland/meta-wayland-touch.h \
wayland/meta-wayland-surface.c \

194
src/wayland/meta-wayland-tablet-pad-strip.c Normal file
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@ -0,0 +1,194 @@
/*
* 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-strip.h"
static void
unbind_resource (struct wl_resource *resource)
{
wl_list_remove (wl_resource_get_link (resource));
}
MetaWaylandTabletPadStrip *
meta_wayland_tablet_pad_strip_new (MetaWaylandTabletPad *pad)
{
MetaWaylandTabletPadStrip *strip;
strip = g_slice_new0 (MetaWaylandTabletPadStrip);
wl_list_init (&strip->resource_list);
wl_list_init (&strip->focus_resource_list);
strip->pad = pad;
return strip;
}
void
meta_wayland_tablet_pad_strip_free (MetaWaylandTabletPadStrip *strip)
{
struct wl_resource *resource, *next;
wl_resource_for_each_safe (resource, next, &strip->resource_list)
{
zwp_tablet_tool_v2_send_removed (resource);
wl_list_remove (wl_resource_get_link (resource));
wl_list_init (wl_resource_get_link (resource));
}
g_free (strip->feedback);
g_slice_free (MetaWaylandTabletPadStrip, strip);
}
static void
tablet_pad_strip_set_feedback (struct wl_client *client,
struct wl_resource *resource,
const char *str,
uint32_t serial)
{
MetaWaylandTabletPadStrip *strip = wl_resource_get_user_data (resource);
/* FIXME: check serial */
strip->feedback = g_strdup (str);
}
static void
tablet_pad_strip_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static const struct zwp_tablet_pad_strip_v2_interface strip_interface = {
tablet_pad_strip_set_feedback,
tablet_pad_strip_destroy,
};
struct wl_resource *
meta_wayland_tablet_pad_strip_create_new_resource (MetaWaylandTabletPadStrip *strip,
struct wl_client *client,
struct wl_resource *group_resource,
uint32_t id)
{
struct wl_resource *resource;
resource = wl_resource_create (client, &zwp_tablet_pad_strip_v2_interface,
wl_resource_get_version (group_resource), id);
wl_resource_set_implementation (resource, &strip_interface,
strip, unbind_resource);
wl_resource_set_user_data (resource, strip);
wl_list_insert (&strip->resource_list, wl_resource_get_link (resource));
return resource;
}
gboolean
meta_wayland_tablet_pad_strip_handle_event (MetaWaylandTabletPadStrip *strip,
const ClutterEvent *event)
{
struct wl_list *focus_resources = &strip->focus_resource_list;
enum zwp_tablet_pad_strip_v2_source source;
gboolean source_known = FALSE;
struct wl_resource *resource;
if (wl_list_empty (focus_resources))
return FALSE;
if (event->type != CLUTTER_PAD_STRIP)
return FALSE;
if (event->pad_strip.strip_source == CLUTTER_INPUT_DEVICE_PAD_SOURCE_FINGER)
{
source = ZWP_TABLET_PAD_STRIP_V2_SOURCE_FINGER;
source_known = TRUE;
}
wl_resource_for_each (resource, focus_resources)
{
gdouble value = event->pad_strip.value;
if (source_known)
zwp_tablet_pad_strip_v2_send_source (resource, source);
if (value >= 0)
zwp_tablet_pad_strip_v2_send_position (resource, (uint32_t) (value * 65535));
else
zwp_tablet_pad_strip_v2_send_stop (resource);
zwp_tablet_pad_strip_v2_send_frame (resource,
clutter_event_get_time (event));
}
return TRUE;
}
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_strip_sync_focus (MetaWaylandTabletPadStrip *strip)
{
g_clear_pointer (&strip->feedback, g_free);
if (!wl_list_empty (&strip->focus_resource_list))
{
move_resources (&strip->resource_list, &strip->focus_resource_list);
}
if (strip->pad->focus_surface != NULL)
{
move_resources_for_client (&strip->focus_resource_list,
&strip->resource_list,
wl_resource_get_client (strip->pad->focus_surface->resource));
}
}

56
src/wayland/meta-wayland-tablet-pad-strip.h Normal file
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@ -0,0 +1,56 @@
/*
* 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_STRIP_H
#define META_WAYLAND_TABLET_PAD_STRIP_H
#include <wayland-server.h>
#include <glib.h>
#include "meta-wayland-types.h"
#include "meta-cursor-renderer.h"
struct _MetaWaylandTabletPadStrip
{
MetaWaylandTabletPad *pad;
struct wl_list resource_list;
struct wl_list focus_resource_list;
gchar *feedback;
};
MetaWaylandTabletPadStrip * meta_wayland_tablet_pad_strip_new (MetaWaylandTabletPad *pad);
void meta_wayland_tablet_pad_strip_free (MetaWaylandTabletPadStrip *strip);
struct wl_resource *
meta_wayland_tablet_pad_strip_create_new_resource (MetaWaylandTabletPadStrip *strip,
struct wl_client *client,
struct wl_resource *group_resource,
uint32_t id);
gboolean meta_wayland_tablet_pad_strip_handle_event (MetaWaylandTabletPadStrip *strip,
const ClutterEvent *event);
void meta_wayland_tablet_pad_strip_sync_focus (MetaWaylandTabletPadStrip *strip);
#endif /* META_WAYLAND_TABLET_PAD_STRIP_H */

1
src/wayland/meta-wayland-types.h
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@ -41,6 +41,7 @@ typedef struct _MetaWaylandTabletManager MetaWaylandTabletManager;
typedef struct _MetaWaylandTabletSeat MetaWaylandTabletSeat;
typedef struct _MetaWaylandTabletTool MetaWaylandTabletTool;
typedef struct _MetaWaylandTablet MetaWaylandTablet;
typedef struct _MetaWaylandTabletPadStrip MetaWaylandTabletPadStrip;
typedef struct _MetaWaylandTabletPadRing MetaWaylandTabletPadRing;
typedef struct _MetaWaylandBuffer MetaWaylandBuffer;