Add more sway config files.

nix/configuration/roles/sway/default.nix

@@ -42,8 +42,8 @@ let
       include ${window-management}
       include ${movement}
       include ${disable-focus-follows-mouse}
-      include ~/.config/sway/config.d/*.conf
+      include ${background}
-      include /etc/sway/config.d/*
+      include ${touchpad_input}
     '';
   };
   base-hotkeys = pkgs.writeTextFile {
@@ -210,6 +210,46 @@ let
       focus_follows_mouse no
     '';
   };
+  background = pkgs.writeTextFile {
+    name = "background.conf";
+    text = ''
+      output * bg ${./files/bliss.jpg} fill
+    '';
+  };
+  touchpad_input = pkgs.writeTextFile {
+    name = "touchpad_input.conf";
+    text = ''
+      input * xkb_rules "evdev"
+
+      # All touchpads
+      input type:touchpad {
+            dwt enabled
+            click_method clickfinger
+            tap enabled
+      }
+    '';
+  };
+  start_screen_share = pkgs.writeShellScriptBin "start_screen_share" ''
+    # Disable displaying notifications. This is useful for video conference screen sharing.
+    set -euo pipefail
+    IFS=$'\n\t'
+    DIR="$( cd "$( dirname "''${BASH_SOURCE[0]}" )" && pwd )"
+
+    makoctl set-mode do-not-disturb
+
+    swaymsg output "'Dell Inc. DELL U3014 P1V6N35M329L'" scale 2
+  '';
+  stop_screen_share = pkgs.writeShellScriptBin "stop_screen_share" ''
+    # Allow mako to show notifications again.
+    set -euo pipefail
+    IFS=$'\n\t'
+    DIR="$( cd "$( dirname "''${BASH_SOURCE [ 0 ]}" )" && pwd )"
+
+    makoctl set-mode default
+
+    swaymsg output "'Dell Inc. DELL U3014 P1V6N35M329L'" scale 1
+  '';
+
 in
 {
   imports = [ ];
@@ -217,6 +257,8 @@ in
   environment.systemPackages = with pkgs; [
     alacritty
     pcmanfm
+    start_screen_share
+    stop_screen_share
   ];
 
   environment.sessionVariables = {