mutter/src/wayland/meta-wayland-actor-surface.c
Carlos Garnacho 3649795108 wayland: Detach MetaWaylandActorSurface from its actor on dispose
And ensure the actor is no longer reactive even though it might live longer
because of close effects, GCs, and whatnot. This ensures the actor is not
eligible for pointer picking within the destruction of its surface.

Closes: #188
2018-06-14 14:05:10 +02:00

324 lines
11 KiB
C

/*
* Copyright (C) 2012,2013 Intel Corporation
* Copyright (C) 2013-2017 Red Hat, Inc.
*
* 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.
*
*/
#include "config.h"
#include "wayland/meta-wayland-actor-surface.h"
#include "backends/meta-backend-private.h"
#include "backends/meta-logical-monitor.h"
#include "compositor/meta-surface-actor-wayland.h"
#include "compositor/region-utils.h"
#include "wayland/meta-wayland-surface.h"
#include "wayland/meta-window-wayland.h"
typedef struct _MetaWaylandActorSurfacePrivate MetaWaylandActorSurfacePrivate;
struct _MetaWaylandActorSurfacePrivate
{
MetaSurfaceActor *actor;
};
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (MetaWaylandActorSurface,
meta_wayland_actor_surface,
META_TYPE_WAYLAND_SURFACE_ROLE)
static void
meta_wayland_actor_surface_constructed (GObject *object)
{
G_OBJECT_CLASS (meta_wayland_actor_surface_parent_class)->constructed (object);
meta_wayland_actor_surface_reset_actor (META_WAYLAND_ACTOR_SURFACE (object));
}
static void
meta_wayland_actor_surface_dispose (GObject *object)
{
MetaWaylandActorSurfacePrivate *priv =
meta_wayland_actor_surface_get_instance_private (META_WAYLAND_ACTOR_SURFACE (object));
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (META_WAYLAND_SURFACE_ROLE (object));
if (priv->actor)
{
g_signal_handlers_disconnect_by_func (priv->actor,
meta_wayland_surface_notify_geometry_changed,
surface);
clutter_actor_set_reactive (CLUTTER_ACTOR (priv->actor), FALSE);
g_clear_object (&priv->actor);
}
G_OBJECT_CLASS (meta_wayland_actor_surface_parent_class)->dispose (object);
}
static void
meta_wayland_actor_surface_assigned (MetaWaylandSurfaceRole *surface_role)
{
MetaWaylandActorSurfacePrivate *priv =
meta_wayland_actor_surface_get_instance_private (META_WAYLAND_ACTOR_SURFACE (surface_role));
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
GList *l;
meta_surface_actor_wayland_add_frame_callbacks (META_SURFACE_ACTOR_WAYLAND (priv->actor),
&surface->pending_frame_callback_list);
wl_list_init (&surface->pending_frame_callback_list);
for (l = surface->subsurfaces; l; l = l->next)
{
ClutterActor *subsurface_actor =
CLUTTER_ACTOR (meta_wayland_surface_get_actor (l->data));
clutter_actor_add_child (CLUTTER_ACTOR (priv->actor), subsurface_actor);
}
}
static void
queue_surface_actor_frame_callbacks (MetaSurfaceActorWayland *surface_actor,
MetaWaylandPendingState *pending)
{
meta_surface_actor_wayland_add_frame_callbacks (surface_actor,
&pending->frame_callback_list);
wl_list_init (&pending->frame_callback_list);
}
double
meta_wayland_actor_surface_calculate_scale (MetaWaylandActorSurface *actor_surface)
{
MetaWaylandSurfaceRole *surface_role =
META_WAYLAND_SURFACE_ROLE (actor_surface);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
MetaWindow *toplevel_window;
int geometry_scale;
toplevel_window = meta_wayland_surface_get_toplevel_window (surface);
if (meta_is_stage_views_scaled ())
{
geometry_scale = 1;
}
else
{
if (!toplevel_window ||
toplevel_window->client_type == META_WINDOW_CLIENT_TYPE_X11)
geometry_scale = 1;
else
geometry_scale =
meta_window_wayland_get_geometry_scale (toplevel_window);
}
return (double) geometry_scale / (double) surface->scale;
}
static void
meta_wayland_actor_surface_real_sync_actor_state (MetaWaylandActorSurface *actor_surface)
{
MetaWaylandActorSurfacePrivate *priv =
meta_wayland_actor_surface_get_instance_private (actor_surface);
MetaWaylandSurfaceRole *surface_role =
META_WAYLAND_SURFACE_ROLE (actor_surface);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
MetaSurfaceActor *surface_actor;
MetaShapedTexture *stex;
double actor_scale;
GList *l;
surface_actor = priv->actor;
stex = meta_surface_actor_get_texture (surface_actor);
actor_scale = meta_wayland_actor_surface_calculate_scale (actor_surface);
clutter_actor_set_scale (CLUTTER_ACTOR (stex), actor_scale, actor_scale);
if (surface->input_region)
{
cairo_region_t *scaled_input_region;
int region_scale;
/* Wayland surface coordinate space -> stage coordinate space */
region_scale = (int) (surface->scale * actor_scale);
scaled_input_region = meta_region_scale (surface->input_region,
region_scale);
meta_surface_actor_set_input_region (surface_actor, scaled_input_region);
cairo_region_destroy (scaled_input_region);
}
else
{
meta_surface_actor_set_input_region (surface_actor, NULL);
}
if (surface->opaque_region)
{
cairo_region_t *scaled_opaque_region;
/* Wayland surface coordinate space -> stage coordinate space */
scaled_opaque_region = meta_region_scale (surface->opaque_region,
surface->scale);
meta_surface_actor_set_opaque_region (surface_actor,
scaled_opaque_region);
cairo_region_destroy (scaled_opaque_region);
}
else
{
meta_surface_actor_set_opaque_region (surface_actor, NULL);
}
for (l = surface->subsurfaces; l; l = l->next)
{
MetaWaylandSurface *subsurface_surface = l->data;
MetaWaylandActorSurface *subsurface_actor_surface =
META_WAYLAND_ACTOR_SURFACE (subsurface_surface->role);
meta_wayland_actor_surface_sync_actor_state (subsurface_actor_surface);
}
}
void
meta_wayland_actor_surface_sync_actor_state (MetaWaylandActorSurface *actor_surface)
{
MetaWaylandActorSurfaceClass *actor_surface_class =
META_WAYLAND_ACTOR_SURFACE_GET_CLASS (actor_surface);
actor_surface_class->sync_actor_state (actor_surface);
}
static void
meta_wayland_actor_surface_commit (MetaWaylandSurfaceRole *surface_role,
MetaWaylandPendingState *pending)
{
MetaWaylandActorSurfacePrivate *priv =
meta_wayland_actor_surface_get_instance_private (META_WAYLAND_ACTOR_SURFACE (surface_role));
MetaWaylandActorSurface *actor_surface =
META_WAYLAND_ACTOR_SURFACE (surface_role);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
MetaWaylandSurface *toplevel_surface;
queue_surface_actor_frame_callbacks (META_SURFACE_ACTOR_WAYLAND (priv->actor),
pending);
toplevel_surface = meta_wayland_surface_get_toplevel (surface);
if (!toplevel_surface || !toplevel_surface->window)
return;
meta_wayland_actor_surface_sync_actor_state (actor_surface);
}
static gboolean
meta_wayland_actor_surface_is_on_logical_monitor (MetaWaylandSurfaceRole *surface_role,
MetaLogicalMonitor *logical_monitor)
{
MetaWaylandActorSurfacePrivate *priv =
meta_wayland_actor_surface_get_instance_private (META_WAYLAND_ACTOR_SURFACE (surface_role));
ClutterActor *actor = CLUTTER_ACTOR (priv->actor);
float x, y, width, height;
cairo_rectangle_int_t actor_rect;
cairo_region_t *region;
MetaRectangle logical_monitor_layout;
gboolean is_on_monitor;
clutter_actor_get_transformed_position (actor, &x, &y);
clutter_actor_get_transformed_size (actor, &width, &height);
actor_rect.x = (int) roundf (x);
actor_rect.y = (int) roundf (y);
actor_rect.width = (int) roundf (x + width) - actor_rect.x;
actor_rect.height = (int) roundf (y + height) - actor_rect.y;
/* Calculate the scaled surface actor region. */
region = cairo_region_create_rectangle (&actor_rect);
logical_monitor_layout = meta_logical_monitor_get_layout (logical_monitor);
cairo_region_intersect_rectangle (region,
&((cairo_rectangle_int_t) {
.x = logical_monitor_layout.x,
.y = logical_monitor_layout.y,
.width = logical_monitor_layout.width,
.height = logical_monitor_layout.height,
}));
is_on_monitor = !cairo_region_is_empty (region);
cairo_region_destroy (region);
return is_on_monitor;
}
static void
meta_wayland_actor_surface_init (MetaWaylandActorSurface *role)
{
}
static void
meta_wayland_actor_surface_class_init (MetaWaylandActorSurfaceClass *klass)
{
MetaWaylandSurfaceRoleClass *surface_role_class =
META_WAYLAND_SURFACE_ROLE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = meta_wayland_actor_surface_constructed;
object_class->dispose = meta_wayland_actor_surface_dispose;
surface_role_class->assigned = meta_wayland_actor_surface_assigned;
surface_role_class->commit = meta_wayland_actor_surface_commit;
surface_role_class->is_on_logical_monitor =
meta_wayland_actor_surface_is_on_logical_monitor;
klass->sync_actor_state = meta_wayland_actor_surface_real_sync_actor_state;
}
MetaSurfaceActor *
meta_wayland_actor_surface_get_actor (MetaWaylandActorSurface *actor_surface)
{
MetaWaylandActorSurfacePrivate *priv =
meta_wayland_actor_surface_get_instance_private (actor_surface);
return priv->actor;
}
void
meta_wayland_actor_surface_reset_actor (MetaWaylandActorSurface *actor_surface)
{
MetaWaylandActorSurfacePrivate *priv =
meta_wayland_actor_surface_get_instance_private (actor_surface);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (META_WAYLAND_SURFACE_ROLE (actor_surface));
if (priv->actor)
{
g_signal_handlers_disconnect_by_func (priv->actor,
meta_wayland_surface_notify_geometry_changed,
surface);
g_object_unref (priv->actor);
}
priv->actor = g_object_ref_sink (meta_surface_actor_wayland_new (surface));
g_signal_connect_swapped (priv->actor, "notify::allocation",
G_CALLBACK (meta_wayland_surface_notify_geometry_changed),
surface);
g_signal_connect_swapped (priv->actor, "notify::position",
G_CALLBACK (meta_wayland_surface_notify_geometry_changed),
surface);
g_signal_connect_swapped (priv->actor, "notify::mapped",
G_CALLBACK (meta_wayland_surface_notify_geometry_changed),
surface);
}