rofi calculator (rest of it)

modules/nixos/graphical/default.nix

@@ -32,6 +32,10 @@
       type = lib.types.str;
       description = "Command to use for adjusting brightness";
     };
+    calculatorCommand = lib.mkOption {
+      type = lib.types.str;
+      description = "Command to use for quick calculations";
+    };
     toggleBarCommand = lib.mkOption {
       type = lib.types.str;
       description = "Command to hide and show the status bar.";

modules/nixos/graphical/i3.nix

@@ -123,6 +123,8 @@ in {
               "exec --no-startup-id ${config.powerCommand}";
             "${modifier}+Shift+m" =
               "exec --no-startup-id ${config.brightnessCommand}";
+            "${modifier}+c" =
+              "exec --no-startup-id ${config.calculatorCommand}";
             "${modifier}+Shift+c" = "reload";
             "${modifier}+Shift+r" = "restart";
             "${modifier}+Shift+q" = ''

modules/nixos/graphical/polybar.nix

@@ -109,7 +109,7 @@
               ${pkgs.notmuch}/bin/notmuch new > /dev/null
               UNREAD=$(${pkgs.notmuch}/bin/notmuch count is:inbox and is:unread)
               if [ $UNREAD = "0" ]; then
-                echo "%{T3}%{T-} "
+                echo ""
               else
                 echo "%{T2}%{T-} $UNREAD "
               fi

modules/nixos/graphical/rofi.nix

@@ -165,6 +165,7 @@ in {
       ${rofi}/bin/rofi -modes drun -show drun -theme-str '@import "launcher.rasi"' '';
     systemdSearch = "${pkgs.rofi-systemd}/bin/rofi-systemd";
     altTabCommand = "${rofi}/bin/rofi -show window -modi window";
+    calculatorCommand = "${rofi}/bin/rofi -modes calc -show calc";
     audioSwitchCommand = "${
         (pkgs.extraLib.mkScript {
           name = "switch-audio";