powersaving options

config/waybar.css

@@ -79,6 +79,10 @@ window#waybar.floating #window {
   color: @lavender;
 }
 
+#power-profiles-daemon {
+  color: @teal;
+}
+
 #pulseaudio {
   color: @pink;
 }

hosts/goopnet-interface/hardware.nix

@@ -21,8 +21,14 @@
     efi.canTouchEfiVariables = true;
   };
 
+  # support power features such as suspend to ram
+  powerManagement.enable = true;
+  # tune power saving options on boot;
+  powerManagement.powertop.enable = true;
   # thermald proactively prevents overheating on intel CPUs and works well with other tools
   services.thermald.enable = true;
+  # power-profile-daemon for power management
+  services.power-profiles-daemon.enable = true;
 
   # nvidia driver
   services.xserver.videoDrivers = [ "nvidia" ];

modules/desktop/waybar.nix

@@ -165,17 +165,7 @@ in {
             format = " {percentage}%";
             tooltip-format = "{used:0.1f}GiB/{avail:0.1f}GiB used\n{swapUsed:0.1f}GiB/{swapAvail:0.1f}GiB swap";
           };
-          "network" = {
-            format = "";
-            format-ethernet = "";
-            format-wifi = " {signalStrength}%";
-            format-disconnected = "";
-            tooltip-format = "{ifname} via {gwaddr}";
-            tooltip-format-wifi = "connected to {essid}";
-            tooltip-format-ethernet = "{ifname}";
-            tooltip-format-disconnected = "Disconnected";
-          };
-          "clock" = {
+          clock = {
             format = "{:%H:%M}";
             format-alt = "{:%a %b %d %R}";
             tooltip-format = "<tt><small>{calendar}</small></tt>";
@@ -201,6 +191,17 @@ in {
               };
             };
           };
+          power-profiles-daemon = {
+            format = "{icon}";
+            tooltip-format = "Power profile: {profile}\nDriver: {driver}";
+            tooltip = true;
+            format-icons = {
+              default = "";
+              performance = " perf";
+              balanced = " balance";
+              power-saver = " save";
+            };
+          };
         };
       };
     };