Deny several commands when there's no outputs connected

1 files changed, 4 insertions, 0 deletions

diff --git a/sway/commands/focus.c b/sway/commands/focus.c
index 81af8e0f..49360ec1 100644
--- a/sway/commands/focus.c
+++ b/sway/commands/focus.c
@@ -224,6 +224,10 @@ struct cmd_results *cmd_focus(int argc, char **argv) {
         if (config->reading || !config->active) {
                 return cmd_results_new(CMD_DEFER, NULL, NULL);
         }
+        if (!root->outputs->length) {
+                return cmd_results_new(CMD_INVALID, "focus",
+                                "Can't run this command while there's no outputs connected.");
+        }
         struct sway_node *node = config->handler_context.node;
         struct sway_container *container = config->handler_context.container;
         struct sway_workspace *workspace = config->handler_context.workspace;