home: i3: enable workspace auto back&forth

home/themes/default.nix

@@ -10,17 +10,15 @@ let
   };
 in
 {
-  options.my.home = {
+  options.my.theme = mkOption {
-    theme = mkOption {
       type = themeType;
-    };
-
-    themes = mkOption {
-      type = with types; attrsOf themeType;
-    };
   };
 
-  config.my.home.themes = {
+  options.my.themes = mkOption {
+    type = with types; attrsOf themeType;
+  };
+
+  config.my.themes = {
     solarizedLight = import ./solarizedLight;
   };
 }

home/x/i3.nix

@@ -14,7 +14,7 @@ let
 
   logoutMode = "[L]ogout, [S]uspend, [P]oweroff, [R]eboot";
 
-  i3Theme = config.my.home.theme.i3Theme;
+  i3Theme = config.my.theme.i3Theme;
 in
 {
   config = lib.mkIf isEnabled {
@@ -114,6 +114,7 @@ in
       # FIXME: integrate in config when it doesn't use deprecated new_window
       extraConfig = ''
         default_border pixel
+        workspace_auto_back_and_forth yes
       '';
     };
   };

hosts/boreal/home.nix

@@ -5,6 +5,6 @@
     my.home.x.enable = true;
     my.home.emacs.enable = true;
     my.home.tmux.enable = true;
-    my.home.theme = config.home-manager.users.alarsyo.my.home.themes.solarizedLight;
+    my.theme = config.home-manager.users.alarsyo.my.themes.solarizedLight;
   };
 }