surface: add commit_request event

swaywm · Oct 4, 2021 · 776998d · 776998d
1 parent e446114
commit 776998d
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Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/include/wlr/types/wlr_surface.h b/include/wlr/types/wlr_surface.h
@@ -136,7 +136,10 @@ struct wlr_surface {
 	void *role_data; // role-specific data
 
 	struct {
+		// Fired on the current state update
 		struct wl_signal commit;
+		// Fired on wl_surface.commit request
+		struct wl_signal commit_request;
 		struct wl_signal new_subsurface;
 		struct wl_signal destroy;
 	} events;

diff --git a/types/wlr_surface.c b/types/wlr_surface.c
@@ -541,6 +541,8 @@ static void surface_handle_commit(struct wl_client *client,
 
 	surface_finalize_pending(surface);
 
+	wlr_signal_emit_safe(&surface->events.commit_request, surface);
+
 	if (surface->pending.cached_state_locks > 0 || !wl_list_empty(&surface->cached)) {
 		surface_cache_pending(surface);
 	} else {
@@ -745,6 +747,7 @@ struct wlr_surface *surface_create(struct wl_client *client,
 	surface->pending.seq = 1;
 
 	wl_signal_init(&surface->events.commit);
+	wl_signal_init(&surface->events.commit_request);
 	wl_signal_init(&surface->events.destroy);
 	wl_signal_init(&surface->events.new_subsurface);
 	wl_list_init(&surface->current_outputs);