Add a mode to force focus a window.

nix/configuration/roles/sway/default.nix

@@ -262,6 +262,7 @@ in
     ./rofimoji.nix
     ./lockscreen.nix
     ./screenshot.nix
+    ./force_focus.nix
   ];
 
   options.me.swayIncludes = lib.mkOption {

nix/configuration/roles/sway/force_focus.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  force_focus_sway_config = pkgs.writeTextFile {
+    name = "force_focus.conf";
+    text = ''
+      mode "force focus" {
+          bindsym $mod+Shift+Escape fullscreen; mode "default"
+      }
+      bindsym $mod+Shift+f fullscreen; mode "force focus"
+    '';
+  };
+in
+{
+  imports = [ ];
+
+  config = lib.mkIf config.me.graphical {
+    me.swayIncludes = [
+      force_focus_sway_config
+    ];
+  };
+}