1 files changed, 22 insertions, 0 deletions

diff --git a/sway/tree/container.c b/sway/tree/container.c
index d241f69a..e224539f 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -321,3 +321,25 @@ swayc_t *swayc_at(swayc_t *parent, double lx, double ly,
 
         return NULL;
 }
+
+void container_map(swayc_t *container, void (*f)(swayc_t *view, void *data), void *data) {
+        if (container) {
+                int i;
+                if (container->children)  {
+                        for (i = 0; i < container->children->length; ++i) {
+                                swayc_t *child = container->children->items[i];
+                                container_map(child, f, data);
+                        }
+                }
+                // TODO
+                /*
+                if (container->floating) {
+                        for (i = 0; i < container->floating->length; ++i) {
+                                swayc_t *child = container->floating->items[i];
+                                container_map(child, f, data);
+                        }
+                }
+                */
+                f(container, data);
+        }
+}