cmd_seat: allow - to be used as alias for current

This allows for `-` (hyphen) to be used as an alias for the current seat
while sway is running. This alias was chosen since it is unlikely to
interfere with any desirable seat identifier

1 files changed, 11 insertions, 1 deletions

diff --git a/sway/commands/seat.c b/sway/commands/seat.c
index 81bb5f5d..5b23dcc6 100644
--- a/sway/commands/seat.c
+++ b/sway/commands/seat.c
@@ -2,6 +2,7 @@
 #include <strings.h>
 #include "sway/commands.h"
 #include "sway/input/input-manager.h"
+#include "sway/input/seat.h"
 #include "log.h"
 #include "stringop.h"
 
@@ -20,7 +21,16 @@ struct cmd_results *cmd_seat(int argc, char **argv) {
                 return error;
         }
 
-        config->handler_context.seat_config = new_seat_config(argv[0]);
+        if (!strcmp(argv[0], "-")) {
+                if (config->reading) {
+                        return cmd_results_new(CMD_FAILURE,
+                                        "Current seat alias (-) cannot be used in the config");
+                }
+                config->handler_context.seat_config =
+                        new_seat_config(config->handler_context.seat->wlr_seat->name);
+        } else {
+                config->handler_context.seat_config = new_seat_config(argv[0]);
+        }
         if (!config->handler_context.seat_config) {
                 return cmd_results_new(CMD_FAILURE, "Couldn't allocate config");
         }