Deny several commands when there's no outputs connected

1 files changed, 4 insertions, 0 deletions

diff --git a/sway/commands/split.c b/sway/commands/split.c
index 9a53f3d3..ed106a86 100644
--- a/sway/commands/split.c
+++ b/sway/commands/split.c
@@ -28,6 +28,10 @@ struct cmd_results *cmd_split(int argc, char **argv) {
         if ((error = checkarg(argc, "split", EXPECTED_EQUAL_TO, 1))) {
                 return error;
         }
+        if (!root->outputs->length) {
+                return cmd_results_new(CMD_INVALID, "split",
+                                "Can't run this command while there's no outputs connected.");
+        }
         if (strcasecmp(argv[0], "v") == 0 || strcasecmp(argv[0], "vertical") == 0) {
                 return do_split(L_VERT);
         } else if (strcasecmp(argv[0], "h") == 0 ||