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-rw-r--r--examples/compositor.h4
-rw-r--r--examples/compositor/wl_compositor.c11
2 files changed, 10 insertions, 5 deletions
diff --git a/examples/compositor.h b/examples/compositor.h
index 4649a8d3..2847808f 100644
--- a/examples/compositor.h
+++ b/examples/compositor.h
@@ -14,6 +14,10 @@ struct wl_compositor_state {
void wl_compositor_init(struct wl_display *display,
struct wl_compositor_state *state, struct wlr_renderer *renderer);
+struct wlr_surface;
+void wl_compositor_surface_destroyed(struct wl_compositor_state *compositor,
+ struct wlr_surface *surface);
+
struct wl_shell_state {
struct wl_global *wl_global;
struct wl_list wl_resources;
diff --git a/examples/compositor/wl_compositor.c b/examples/compositor/wl_compositor.c
index 89d23d6a..66c069ba 100644
--- a/examples/compositor/wl_compositor.c
+++ b/examples/compositor/wl_compositor.c
@@ -6,9 +6,8 @@
#include "compositor.h"
static void destroy_surface_listener(struct wl_listener *listener, void *data) {
- struct wl_compositor_state *state;
- struct wlr_surface *surface = data;
- state = wl_container_of(listener, state, destroy_surface_listener);
+ struct wlr_surface *surface = wl_resource_get_user_data(data);
+ struct wl_compositor_state *state = surface->compositor_data;
struct wl_resource *res = NULL;
wl_list_for_each(res, &state->surfaces, link) {
@@ -25,8 +24,11 @@ static void wl_compositor_create_surface(struct wl_client *client,
struct wl_resource *surface_resource = wl_resource_create(client,
&wl_surface_interface, wl_resource_get_version(resource), id);
struct wlr_surface *surface = wlr_surface_create(surface_resource, state->renderer);
+ surface->compositor_data = state;
+ surface->compositor_listener.notify = &destroy_surface_listener;
+ wl_resource_add_destroy_listener(surface_resource, &surface->compositor_listener);
+
wl_list_insert(&state->surfaces, wl_resource_get_link(surface_resource));
- wl_signal_add(&surface->signals.destroy, &state->destroy_surface_listener);
}
static void wl_compositor_create_region(struct wl_client *client,
@@ -73,7 +75,6 @@ void wl_compositor_init(struct wl_display *display,
&wl_compositor_interface, 4, state, wl_compositor_bind);
state->wl_global = wl_global;
state->renderer = renderer;
- state->destroy_surface_listener.notify = destroy_surface_listener;
wl_list_init(&state->wl_resources);
wl_list_init(&state->surfaces);
}