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wayland/touch: Only handle touch when using the native backend

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The touch handling code uses evdev API, thus will not work on other
backends. Thus, put touch handling code behind runtime backend checks
and only include the code when native backend support is enabled.
This commit is contained in:
Jonas Ådahl 2018-08-17 13:59:12 +02:00
parent 8f2680c612
commit 6192e944b8
1 changed files with 34 additions and 4 deletions
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38
src/wayland/meta-wayland-touch.c
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@ -59,6 +59,7 @@ struct _MetaWaylandTouchInfo
guint begin_delivered : 1; guint begin_delivered : 1;
}; };
#ifdef HAVE_NATIVE_BACKEND
static void static void
move_resources (struct wl_list *destination, struct wl_list *source) move_resources (struct wl_list *destination, struct wl_list *source)
{ {
@ -207,11 +208,13 @@ touch_get_relative_coordinates (MetaWaylandTouch *touch,
event_x, event_y, event_x, event_y,
x, y); x, y);
} }
#endif /* HAVE_NATIVE_BACKEND */
void void
meta_wayland_touch_update (MetaWaylandTouch *touch, meta_wayland_touch_update (MetaWaylandTouch *touch,
const ClutterEvent *event) const ClutterEvent *event)
{ {
#ifdef HAVE_NATIVE_BACKEND
MetaWaylandTouchInfo *touch_info; MetaWaylandTouchInfo *touch_info;
ClutterEventSequence *sequence; ClutterEventSequence *sequence;
@ -252,12 +255,14 @@ meta_wayland_touch_update (MetaWaylandTouch *touch,
touch_get_relative_coordinates (touch, touch_info->touch_surface->surface, touch_get_relative_coordinates (touch, touch_info->touch_surface->surface,
event, &touch_info->x, &touch_info->y); event, &touch_info->x, &touch_info->y);
touch_info->updated = TRUE; touch_info->updated = TRUE;
#endif /* HAVE_NATIVE_BACKEND */
} }
static void static void
handle_touch_begin (MetaWaylandTouch *touch, handle_touch_begin (MetaWaylandTouch *touch,
const ClutterEvent *event) const ClutterEvent *event)
{ {
#ifdef HAVE_NATIVE_BACKEND
MetaWaylandTouchInfo *touch_info; MetaWaylandTouchInfo *touch_info;
ClutterEventSequence *sequence; ClutterEventSequence *sequence;
struct wl_resource *resource; struct wl_resource *resource;
@ -281,12 +286,14 @@ handle_touch_begin (MetaWaylandTouch *touch,
} }
touch_info->begin_delivered = TRUE; touch_info->begin_delivered = TRUE;
#endif /* HAVE_NATIVE_BACKEND */
} }
static void static void
handle_touch_update (MetaWaylandTouch *touch, handle_touch_update (MetaWaylandTouch *touch,
const ClutterEvent *event) const ClutterEvent *event)
{ {
#ifdef HAVE_NATIVE_BACKEND
MetaWaylandTouchInfo *touch_info; MetaWaylandTouchInfo *touch_info;
ClutterEventSequence *sequence; ClutterEventSequence *sequence;
struct wl_resource *resource; struct wl_resource *resource;
@ -307,12 +314,14 @@ handle_touch_update (MetaWaylandTouch *touch,
wl_fixed_from_double (touch_info->x), wl_fixed_from_double (touch_info->x),
wl_fixed_from_double (touch_info->y)); wl_fixed_from_double (touch_info->y));
} }
#endif /* HAVE_NATIVE_BACKEND */
} }
static void static void
handle_touch_end (MetaWaylandTouch *touch, handle_touch_end (MetaWaylandTouch *touch,
const ClutterEvent *event) const ClutterEvent *event)
{ {
#ifdef HAVE_NATIVE_BACKEND
MetaWaylandTouchInfo *touch_info; MetaWaylandTouchInfo *touch_info;
ClutterEventSequence *sequence; ClutterEventSequence *sequence;
struct wl_resource *resource; struct wl_resource *resource;
@ -336,6 +345,7 @@ handle_touch_end (MetaWaylandTouch *touch,
} }
g_hash_table_remove (touch->touches, sequence); g_hash_table_remove (touch->touches, sequence);
#endif /* HAVE_NATIVE_BACKEND */
} }
static GList * static GList *
@ -389,14 +399,30 @@ static void
check_send_frame_event (MetaWaylandTouch *touch, check_send_frame_event (MetaWaylandTouch *touch,
const ClutterEvent *event) const ClutterEvent *event)
{ {
gboolean send_frame_event;
#ifdef HAVE_NATIVE_BACKEND
MetaBackend *backend = meta_get_backend ();
ClutterEventSequence *sequence; ClutterEventSequence *sequence;
gint32 slot; gint32 slot;
sequence = clutter_event_get_event_sequence (event); if (META_IS_BACKEND_NATIVE (backend))
slot = clutter_evdev_event_sequence_get_slot (sequence); {
touch->frame_slots &= ~(1 << slot); sequence = clutter_event_get_event_sequence (event);
slot = clutter_evdev_event_sequence_get_slot (sequence);
touch->frame_slots &= ~(1 << slot);
if (touch->frame_slots == 0) if (touch->frame_slots == 0)
send_frame_event = TRUE;
else
send_frame_event = FALSE;
}
else
#endif /* HAVE_NATIVE_BACKEND */
{
send_frame_event = TRUE;
}
if (send_frame_event)
touch_send_frame_event (touch); touch_send_frame_event (touch);
} }
@ -443,12 +469,14 @@ static const struct wl_touch_interface touch_interface = {
touch_release, touch_release,
}; };
#ifdef HAVE_NATIVE_BACKEND
static void static void
touch_info_free (MetaWaylandTouchInfo *touch_info) touch_info_free (MetaWaylandTouchInfo *touch_info)
{ {
touch_surface_decrement_touch (touch_info->touch_surface); touch_surface_decrement_touch (touch_info->touch_surface);
g_free (touch_info); g_free (touch_info);
} }
#endif /* HAVE_NATIVE_BACKEND */
void void
meta_wayland_touch_cancel (MetaWaylandTouch *touch) meta_wayland_touch_cancel (MetaWaylandTouch *touch)
@ -521,10 +549,12 @@ meta_wayland_touch_enable (MetaWaylandTouch *touch)
{ {
ClutterDeviceManager *manager; ClutterDeviceManager *manager;
#ifdef HAVE_NATIVE_BACKEND
touch->touch_surfaces = g_hash_table_new_full (NULL, NULL, NULL, touch->touch_surfaces = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) touch_surface_free); (GDestroyNotify) touch_surface_free);
touch->touches = g_hash_table_new_full (NULL, NULL, NULL, touch->touches = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) touch_info_free); (GDestroyNotify) touch_info_free);
#endif /* HAVE_NATIVE_BACKEND */
wl_list_init (&touch->resource_list); wl_list_init (&touch->resource_list);