From 2518ace573eac96aee161baee6f3028b6f7d74f1 Mon Sep 17 00:00:00 2001 From: Kirill Primak Date: Thu, 3 Nov 2022 21:48:07 +0300 Subject: [PATCH] subcompositor: use role object destroy handler --- include/wlr/types/wlr_subcompositor.h | 1 - types/wlr_subcompositor.c | 70 ++++++++++++--------------- 2 files changed, 32 insertions(+), 39 deletions(-) diff --git a/include/wlr/types/wlr_subcompositor.h b/include/wlr/types/wlr_subcompositor.h index e7f6ab2f..afbff45b 100644 --- a/include/wlr/types/wlr_subcompositor.h +++ b/include/wlr/types/wlr_subcompositor.h @@ -40,7 +40,6 @@ struct wlr_subsurface { bool mapped; bool added; - struct wl_listener surface_destroy; struct wl_listener surface_client_commit; struct wl_listener parent_destroy; diff --git a/types/wlr_subcompositor.c b/types/wlr_subcompositor.c index 69c66a65..861bdfd7 100644 --- a/types/wlr_subcompositor.c +++ b/types/wlr_subcompositor.c @@ -6,6 +6,8 @@ #include "types/wlr_region.h" #include "types/wlr_subcompositor.h" +// Note: wl_subsurface becomes inert on parent surface destroy + #define SUBCOMPOSITOR_VERSION 1 static bool subsurface_is_synchronized(struct wlr_subsurface *subsurface) { @@ -25,33 +27,6 @@ static bool subsurface_is_synchronized(struct wlr_subsurface *subsurface) { static void subsurface_unmap(struct wlr_subsurface *subsurface); -static void subsurface_destroy(struct wlr_subsurface *subsurface) { - if (subsurface == NULL) { - return; - } - - if (subsurface->has_cache) { - wlr_surface_unlock_cached(subsurface->surface, - subsurface->cached_seq); - } - - subsurface_unmap(subsurface); - - wl_signal_emit_mutable(&subsurface->events.destroy, subsurface); - - wl_list_remove(&subsurface->surface_destroy.link); - wl_list_remove(&subsurface->surface_client_commit.link); - wl_list_remove(&subsurface->current.link); - wl_list_remove(&subsurface->pending.link); - wl_list_remove(&subsurface->parent_destroy.link); - - wl_resource_set_user_data(subsurface->resource, NULL); - if (subsurface->surface) { - subsurface->surface->role_data = NULL; - } - free(subsurface); -} - static const struct wl_subsurface_interface subsurface_implementation; /** @@ -69,7 +44,9 @@ static struct wlr_subsurface *subsurface_from_resource( static void subsurface_resource_destroy(struct wl_resource *resource) { struct wlr_subsurface *subsurface = subsurface_from_resource(resource); - subsurface_destroy(subsurface); + if (subsurface != NULL) { + wlr_surface_destroy_role_object(subsurface->surface); + } } static void subsurface_handle_destroy(struct wl_client *client, @@ -288,10 +265,36 @@ static void subsurface_role_precommit(struct wlr_surface *surface, } } +static void subsurface_role_destroy(struct wlr_surface *surface) { + struct wlr_subsurface *subsurface = + wlr_subsurface_from_wlr_surface(surface); + if (subsurface == NULL) { + return; + } + + if (subsurface->has_cache) { + wlr_surface_unlock_cached(subsurface->surface, + subsurface->cached_seq); + } + + subsurface_unmap(subsurface); + + wl_signal_emit_mutable(&subsurface->events.destroy, subsurface); + + wl_list_remove(&subsurface->surface_client_commit.link); + wl_list_remove(&subsurface->current.link); + wl_list_remove(&subsurface->pending.link); + wl_list_remove(&subsurface->parent_destroy.link); + + wl_resource_set_user_data(subsurface->resource, NULL); + free(subsurface); +} + const struct wlr_surface_role subsurface_role = { .name = "wl_subsurface", .commit = subsurface_role_commit, .precommit = subsurface_role_precommit, + .destroy = subsurface_role_destroy, }; static void subsurface_handle_parent_destroy(struct wl_listener *listener, @@ -300,14 +303,7 @@ static void subsurface_handle_parent_destroy(struct wl_listener *listener, wl_container_of(listener, subsurface, parent_destroy); // Once the parent is destroyed, the client has no way to use the // wl_subsurface object anymore, so we can destroy it. - subsurface_destroy(subsurface); -} - -static void subsurface_handle_surface_destroy(struct wl_listener *listener, - void *data) { - struct wlr_subsurface *subsurface = - wl_container_of(listener, subsurface, surface_destroy); - subsurface_destroy(subsurface); + wlr_surface_destroy_role_object(subsurface->surface); } static void subsurface_handle_surface_client_commit( @@ -397,8 +393,6 @@ static struct wlr_subsurface *subsurface_create(struct wlr_surface *surface, wl_signal_init(&subsurface->events.map); wl_signal_init(&subsurface->events.unmap); - wl_signal_add(&surface->events.destroy, &subsurface->surface_destroy); - subsurface->surface_destroy.notify = subsurface_handle_surface_destroy; wl_signal_add(&surface->events.client_commit, &subsurface->surface_client_commit); subsurface->surface_client_commit.notify =