workspace: reap empty parents when adding tiles

(cherry picked from commit c12169953abd393506367b949a63de5928ad9518)

1 files changed, 4 insertions, 0 deletions

diff --git a/sway/tree/workspace.c b/sway/tree/workspace.c
index 4e735064..c0da9c93 100644
--- a/sway/tree/workspace.c
+++ b/sway/tree/workspace.c
@@ -794,7 +794,11 @@ void workspace_detach(struct sway_workspace *workspace) {
 struct sway_container *workspace_add_tiling(struct sway_workspace *workspace,
                 struct sway_container *con) {
         if (con->pending.workspace) {
+                struct sway_container *old_parent = con->pending.parent;
                 container_detach(con);
+                if (old_parent) {
+                        container_reap_empty(old_parent);
+                }
         }
         if (config->default_layout != L_NONE) {
                 con = container_split(con, config->default_layout);