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wayland: Implement the wl_pointer_gesture_pinch interface

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The pinch gesture resources are part of the MetaWaylandPointerClient, which
will be used during the propagation of CLUTTER_TOUCHPAD_PINCH events.
This commit is contained in:
Carlos Garnacho 2015-07-22 16:46:55 +02:00
parent 51a2f28723
commit 2fafa24305
6 changed files with 216 additions and 1 deletions
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2
src/Makefile.am
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@ -257,6 +257,8 @@ libmutter_la_SOURCES += \
wayland/meta-wayland-data-device-private.h \
wayland/meta-wayland-pointer-gesture-swipe.c \
wayland/meta-wayland-pointer-gesture-swipe.h \
wayland/meta-wayland-pointer-gesture-pinch.c \
wayland/meta-wayland-pointer-gesture-pinch.h \
wayland/meta-wayland-keyboard.c \
wayland/meta-wayland-keyboard.h \
wayland/meta-wayland-pointer.c \

160
src/wayland/meta-wayland-pointer-gesture-pinch.c Normal file
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@ -0,0 +1,160 @@
/*
* 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 "meta-wayland-pointer-gesture-pinch.h"
#include "meta-wayland-pointer.h"
#include "meta-wayland-surface.h"
#include "pointer-gestures-server-protocol.h"
static void
handle_pinch_begin (MetaWaylandPointer *pointer,
const ClutterEvent *event)
{
MetaWaylandPointerClient *pointer_client;
struct wl_resource *resource;
uint32_t serial;
pointer_client = pointer->focus_client;
serial = wl_display_next_serial (pointer->display);
wl_resource_for_each (resource, &pointer_client->pinch_gesture_resources)
{
_wl_pointer_gesture_pinch_send_begin (resource, serial,
clutter_event_get_time (event),
pointer->focus_surface->resource,
2);
}
}
static void
handle_pinch_update (MetaWaylandPointer *pointer,
const ClutterEvent *event)
{
MetaWaylandPointerClient *pointer_client;
struct wl_resource *resource;
gdouble dx, dy, scale, rotation;
pointer_client = pointer->focus_client;
clutter_event_get_gesture_motion_delta (event, &dx, &dy);
rotation = clutter_event_get_gesture_pinch_angle_delta (event);
scale = clutter_event_get_gesture_pinch_scale (event);
wl_resource_for_each (resource, &pointer_client->pinch_gesture_resources)
{
_wl_pointer_gesture_pinch_send_update (resource,
clutter_event_get_time (event),
wl_fixed_from_double (dx),
wl_fixed_from_double (dy),
wl_fixed_from_double (scale),
wl_fixed_from_double (rotation));
}
}
static void
handle_pinch_end (MetaWaylandPointer *pointer,
const ClutterEvent *event)
{
MetaWaylandPointerClient *pointer_client;
struct wl_resource *resource;
gboolean cancelled = FALSE;
uint32_t serial;
pointer_client = pointer->focus_client;
serial = wl_display_next_serial (pointer->display);
if (event->touchpad_pinch.phase == CLUTTER_TOUCHPAD_GESTURE_PHASE_CANCEL)
cancelled = TRUE;
wl_resource_for_each (resource, &pointer_client->pinch_gesture_resources)
{
_wl_pointer_gesture_pinch_send_end (resource, serial,
clutter_event_get_time (event),
cancelled);
}
}
gboolean
meta_wayland_pointer_gesture_pinch_handle_event (MetaWaylandPointer *pointer,
const ClutterEvent *event)
{
if (event->type != CLUTTER_TOUCHPAD_PINCH)
return FALSE;
if (!pointer->focus_client)
return FALSE;
switch (event->touchpad_pinch.phase)
{
case CLUTTER_TOUCHPAD_GESTURE_PHASE_BEGIN:
handle_pinch_begin (pointer, event);
break;
case CLUTTER_TOUCHPAD_GESTURE_PHASE_UPDATE:
handle_pinch_update (pointer, event);
break;
case CLUTTER_TOUCHPAD_GESTURE_PHASE_END:
case CLUTTER_TOUCHPAD_GESTURE_PHASE_CANCEL:
handle_pinch_end (pointer, event);
break;
default:
return FALSE;
}
return TRUE;
}
static void
pointer_gesture_pinch_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static const struct _wl_pointer_gesture_pinch_interface pointer_gesture_pinch_interface = {
pointer_gesture_pinch_destroy
};
void
meta_wayland_pointer_gesture_pinch_create_new_resource (MetaWaylandPointer *pointer,
struct wl_client *client,
struct wl_resource *gestures_resource,
uint32_t id)
{
MetaWaylandPointerClient *pointer_client;
struct wl_resource *res;
pointer_client = meta_wayland_pointer_get_pointer_client (pointer, client);
g_return_if_fail (pointer_client != NULL);
res = wl_resource_create (client, &_wl_pointer_gesture_pinch_interface,
wl_resource_get_version (gestures_resource), id);
wl_resource_set_implementation (res, &pointer_gesture_pinch_interface, pointer,
meta_wayland_pointer_unbind_pointer_client_resource);
wl_list_insert (&pointer_client->pinch_gesture_resources,
wl_resource_get_link (res));
}

39
src/wayland/meta-wayland-pointer-gesture-pinch.h Normal file
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@ -0,0 +1,39 @@
/*
* 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_POINTER_GESTURE_PINCH_H
#define META_WAYLAND_POINTER_GESTURE_PINCH_H
#include <wayland-server.h>
#include <clutter/clutter.h>
#include <glib.h>
#include "meta-wayland-types.h"
gboolean meta_wayland_pointer_gesture_pinch_handle_event (MetaWaylandPointer *pointer,
const ClutterEvent *event);
void meta_wayland_pointer_gesture_pinch_create_new_resource (MetaWaylandPointer *pointer,
struct wl_client *client,
struct wl_resource *gestures_resource,
uint32_t id);
#endif /* META_WAYLAND_POINTER_GESTURE_PINCH_H */

13
src/wayland/meta-wayland-pointer.c
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@ -66,6 +66,7 @@ meta_wayland_pointer_client_new (void)
pointer_client = g_slice_new0 (MetaWaylandPointerClient);
wl_list_init (&pointer_client->pointer_resources);
wl_list_init (&pointer_client->swipe_gesture_resources);
wl_list_init (&pointer_client->pinch_gesture_resources);
return pointer_client;
}
@ -89,6 +90,11 @@ meta_wayland_pointer_client_free (MetaWaylandPointerClient *pointer_client)
wl_list_remove (wl_resource_get_link (resource));
wl_list_init (wl_resource_get_link (resource));
}
wl_resource_for_each (resource, &pointer_client->pinch_gesture_resources)
{
wl_list_remove (wl_resource_get_link (resource));
wl_list_init (wl_resource_get_link (resource));
}
g_slice_free (MetaWaylandPointerClient, pointer_client);
}
@ -97,7 +103,8 @@ static gboolean
meta_wayland_pointer_client_is_empty (MetaWaylandPointerClient *pointer_client)
{
return (wl_list_empty (&pointer_client->pointer_resources) &&
wl_list_empty (&pointer_client->swipe_gesture_resources));
wl_list_empty (&pointer_client->swipe_gesture_resources) &&
wl_list_empty (&pointer_client->pinch_gesture_resources));
}
MetaWaylandPointerClient *
@ -546,6 +553,10 @@ meta_wayland_pointer_handle_event (MetaWaylandPointer *pointer,
meta_wayland_pointer_gesture_swipe_handle_event (pointer, event);
break;
case CLUTTER_TOUCHPAD_PINCH:
meta_wayland_pointer_gesture_pinch_handle_event (pointer, event);
break;
default:
break;
}

2
src/wayland/meta-wayland-pointer.h
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@ -26,6 +26,7 @@
#include "meta-wayland-types.h"
#include "meta-wayland-pointer-gesture-swipe.h"
#include "meta-wayland-pointer-gesture-pinch.h"
#include <meta/meta-cursor-tracker.h>
@ -49,6 +50,7 @@ struct _MetaWaylandPointerClient
{
struct wl_list pointer_resources;
struct wl_list swipe_gesture_resources;
struct wl_list pinch_gesture_resources;
};
struct _MetaWaylandPointer

1
src/wayland/meta-wayland-seat.c
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@ -333,6 +333,7 @@ meta_wayland_seat_handle_event (MetaWaylandSeat *seat,
case CLUTTER_BUTTON_RELEASE:
case CLUTTER_SCROLL:
case CLUTTER_TOUCHPAD_SWIPE:
case CLUTTER_TOUCHPAD_PINCH:
return meta_wayland_pointer_handle_event (&seat->pointer, event);
case CLUTTER_KEY_PRESS: