From a5e075c154aadb77790b1d76395a2bffd24f745d Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Mon, 14 Feb 2011 16:43:41 +0100
Subject: [PATCH] Automatically close empty parent cons when making their last
 child floating (Thanks mseed)

This fixes #313
---
 src/floating.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/floating.c b/src/floating.c
index c912dc71..25afa832 100644
--- a/src/floating.c
+++ b/src/floating.c
@@ -78,6 +78,12 @@ void floating_enable(Con *con, bool automatic) {
      * otherwise. */
     nc->parent = con_get_workspace(con);
 
+    /* check if the parent container is empty and close it if so */
+    if ((con->parent->type == CT_CON || con->parent->type == CT_FLOATING_CON) && con_num_children(con->parent) == 0) {
+        DLOG("Old container empty after setting this child to floating, closing\n");
+        tree_close(con->parent, false, false);
+    }
+
     char *name;
     asprintf(&name, "[i3 con] floatingcon around %p", con);
     x_set_name(nc, name);