move container_set_layout to layout.h

include/sway/tree/container.h

@@ -132,10 +132,6 @@ struct sway_container *container_destroy(struct sway_container *container);
 
 struct sway_container *container_close(struct sway_container *container);
 
-// TODO move to layout.c
-struct sway_container *container_set_layout(struct sway_container *container,
-		enum sway_container_layout layout);
-
 // TODO rename to container_descendants_for_each()
 void container_descendants(struct sway_container *root,
 		enum sway_container_type type,

include/sway/tree/layout.h

@@ -41,10 +41,13 @@ struct sway_container *container_add_sibling(struct sway_container *parent,
 struct sway_container *container_remove_child(struct sway_container *child);
 
 // TODO PRIVATE in tree.h
-
 struct sway_container *container_replace_child(struct sway_container *child,
 		struct sway_container *new_child);
 
+// TODO move to layout.c
+struct sway_container *container_set_layout(struct sway_container *container,
+		enum sway_container_layout layout);
+
 // TODO move to tree.h
 void container_move_to(struct sway_container* container,
 		struct sway_container* destination);

sway/tree/container.c

@@ -441,19 +441,6 @@ struct sway_container *container_view_create(struct sway_container *sibling,
 	return swayc;
 }
 
-struct sway_container *container_set_layout(struct sway_container *container,
-		enum sway_container_layout layout) {
-	if (container->type == C_WORKSPACE) {
-		container->workspace_layout = layout;
-		if (layout == L_HORIZ || layout == L_VERT) {
-			container->layout = layout;
-		}
-	} else {
-		container->layout = layout;
-	}
-	return container;
-}
-
 void container_descendants(struct sway_container *root,
 		enum sway_container_type type,
 		void (*func)(struct sway_container *item, void *data), void *data) {

sway/tree/layout.c

@@ -47,6 +47,19 @@ static void output_layout_change_notify(struct wl_listener *listener,
 	arrange_windows(&root_container, -1, -1);
 }
 
+struct sway_container *container_set_layout(struct sway_container *container,
+		enum sway_container_layout layout) {
+	if (container->type == C_WORKSPACE) {
+		container->workspace_layout = layout;
+		if (layout == L_HORIZ || layout == L_VERT) {
+			container->layout = layout;
+		}
+	} else {
+		container->layout = layout;
+	}
+	return container;
+}
+
 void layout_init(void) {
 	root_container.id = 0; // normally assigned in new_swayc()
 	root_container.type = C_ROOT;