From 691a63d66bdf45bc30e427b59958e7e12440e53e Mon Sep 17 00:00:00 2001 From: Ryan Dwyer Date: Wed, 19 Sep 2018 21:53:51 +1000 Subject: Introduce wlr_multi_for_each_backend --- backend/multi/backend.c | 10 ++++++++++ include/wlr/backend/multi.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/backend/multi/backend.c b/backend/multi/backend.c index 1665bf28..3707fe34 100644 --- a/backend/multi/backend.c +++ b/backend/multi/backend.c @@ -207,3 +207,13 @@ bool wlr_multi_is_empty(struct wlr_backend *_backend) { struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend; return wl_list_length(&backend->backends) < 1; } + +void wlr_multi_for_each_backend(struct wlr_backend *_backend, + void (*callback)(struct wlr_backend *backend, void *data), void *data) { + assert(wlr_backend_is_multi(_backend)); + struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend; + struct subbackend_state *sub; + wl_list_for_each(sub, &backend->backends, link) { + callback(sub->backend, data); + } +} diff --git a/include/wlr/backend/multi.h b/include/wlr/backend/multi.h index 7137b075..ef908d26 100644 --- a/include/wlr/backend/multi.h +++ b/include/wlr/backend/multi.h @@ -31,4 +31,7 @@ bool wlr_backend_is_multi(struct wlr_backend *backend); struct wlr_session *wlr_multi_get_session(struct wlr_backend *base); bool wlr_multi_is_empty(struct wlr_backend *backend); +void wlr_multi_for_each_backend(struct wlr_backend *backend, + void (*callback)(struct wlr_backend *backend, void *data), void *data); + #endif -- cgit v1.2.3