commands: prevent focusing mode with no containers

Explicitly fail when trying to focus tiling/floating when there are no tiling/floating containers.

1 files changed, 4 insertions, 0 deletions

diff --git a/sway/commands/focus.c b/sway/commands/focus.c
index 135a2908..fe15b4c7 100644
--- a/sway/commands/focus.c
+++ b/sway/commands/focus.c
@@ -52,6 +52,10 @@ static struct cmd_results *focus_mode(struct sway_container *con,
         }
         if (new_focus) {
                 seat_set_focus(seat, new_focus);
+        } else {
+                return cmd_results_new(CMD_FAILURE, "focus",
+                                "Failed to find a %s container in workspace",
+                                floating ? "floating" : "tiling");
         }
         return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }