From 53ceae213779d1fe054a2394d686bd81ebd33c00 Mon Sep 17 00:00:00 2001
From: Natsu Kagami <nki@nkagami.me>
Date: Wed, 21 Sep 2022 08:12:23 +0200
Subject: [PATCH] Add a default case for ibus-next-engine

---
 home/modules/programs/my-sway/ibus.nix | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/home/modules/programs/my-sway/ibus.nix b/home/modules/programs/my-sway/ibus.nix
index c23ab10..8e89474 100644
--- a/home/modules/programs/my-sway/ibus.nix
+++ b/home/modules/programs/my-sway/ibus.nix
@@ -17,16 +17,18 @@ let
             else nextRec (tail l);
         in
         nextRec input-methods;
+      changeTo = m: ''
+        ${pkgs.libnotify}/bin/notify-send \
+          -a ibus \
+          -u low \
+          -t 3000 \
+          "${m}" \
+          "Input engine changed"
+        ${pkgs.ibus}/bin/ibus engine ${m}
+      '';
       inputCase = m: ''
-        if test $current = "${m}"
-          ${pkgs.libnotify}/bin/notify-send \
-            -a ibus \
-            -u low \
-            -t 3000 \
-            "${next m}" \
-            "Input engine changed"
-          ${pkgs.ibus}/bin/ibus engine ${next m}
-        end
+        case "${m}"
+          ${changeTo (next m)}
       '';
     in
     pkgs.writeScriptBin "ibus-next-engine" ''
@@ -34,7 +36,11 @@ let
 
       set current (${pkgs.ibus}/bin/ibus engine)
 
-      ${strings.concatMapStrings inputCase input-methods}
+      switch $current
+        ${strings.concatMapStrings inputCase input-methods}
+        case '*'
+          ${changeTo (head input-methods)}
+      end
     ''
   );