found a better way

home/default.nix

@@ -9,6 +9,7 @@ in
     ./cads.nix
     ./cmd_tools.nix
     ./i3.nix
+    ./i3status.nix
     ./media.nix
     ./picom.nix
     ./tmux.nix

home/i3.nix

@@ -10,73 +10,6 @@ let
   EXIT = "i3-nagbar -t warning -m 'Exit i3?' -B 'Yes' 'i3-msg exit'";
 in
 {
-  programs.i3status = {
-    enable = true;
-    enableDefault = false;
-    general = {
-      output_format = "i3bar";
-      interval = 1;
-      colors = true;
-      color_separator = "#FFFFFF";
-      color_good = "#00FF00";
-      color_degraded = "#00FFFF";
-      color_bad = "#FF0000";
-      separator = "][";
-    };
-    modules = {
-      "time" = {
-        position = 1;
-        settings = {
-          format = "%Y %m/%d %a | %H:%M:%S";
-        };
-      };
-      "load" = {
-        position = 2;
-        settings = {
-          format = "LD %1min:%5min:%15min";
-          format_above_threshold = "LD H (%1min:%5min)";
-          max_threshold = "4.9";
-        };
-      };
-      "memory" = {
-        position = 3;
-        settings = {
-          memory_used_method = "classical";
-          decimals = "1";
-          unit = "Mi";
-          format = "%available (%used) / %total";
-          format_degraded = "Mem LOW (%available)";
-          threshold_degraded = "10%";
-          threshold_critical = "6.25%";
-        };
-      };
-      "disk /" = {
-        position = 4;
-        settings = {
-          prefix_type = "decimal";
-          format = "/ %percentage_used";
-        };
-      };
-      "volume master" = {
-        position = 5;
-        settings = {
-          format = "Vol: %volume";
-          format_muted = "Vol: Muted (%volume)";
-          device = "pulse:1";
-        };
-      };
-      "wireless _first_" = {
-        position = 6;
-        settings = {
-          format_up = "W: (%quality @ %essid w/ %bitrate) %ip";
-          format_down = "W: down";
-          format_bitrate = "%g %cb/s";
-          format_quality = "%03d%s";
-        };
-      };
-    };
-  };
-
   xsession.windowManager.i3 = {
     enable = true;
     config = {

home/i3status.nix

@@ -0,0 +1,83 @@
+{ config, pkgs, lib, ... }:
+let
+  inherit (builtins) listToAttrs;
+  inherit (lib.lists) imap1 forEach reverseList elemAt;
+  modules = [
+    {
+      name = "time";
+      settings = {
+        format = "%Y %m/%d %a | %H:%M:%S";
+      };
+    }
+    {
+      name = "load";
+      settings = {
+        format = "LD %1min:%5min:%15min";
+        format_above_threshold = "LD H (%1min:%5min)";
+        max_threshold = "4.9";
+      };
+    }
+    {
+      name = "memory";
+      settings = {
+        memory_used_method = "classical";
+        decimals = "1";
+        unit = "Mi";
+        format = "%available (%used) / %total";
+        format_degraded = "Mem LOW (%available)";
+        threshold_degraded = "10%";
+        threshold_critical = "6.25%";
+      };
+    }
+    {
+      name = "disk /";
+      settings = {
+        prefix_type = "decimal";
+        format = "/ %percentage_used";
+      };
+    }
+    {
+      name = "volume master";
+      settings = {
+        format = "Vol: %volume";
+        format_muted = "Vol: Muted (%volume)";
+      };
+    }
+    {
+      name = "wireless _first_";
+      settings = {
+        format_up = "W: (%quality @ %essid w/ %bitrate) %ip";
+        format_down = "W: down";
+        format_bitrate = "%g %cb/s";
+        format_quality = "%03d%s";
+      };
+    }
+  ];
+  numberedModulesList = imap1 (i: v:
+    v // { position = i; }
+  ) (reverseList modules);
+  modNameValList = forEach numberedModulesList (x: {
+    name = x.name;
+    value = {
+      inherit (x) settings position;
+    };
+  });
+  modAttr = listToAttrs modNameValList;
+in
+{
+  programs.i3status = {
+    enable = true;
+    enableDefault = false;
+    general = {
+      output_format = "i3bar";
+      interval = 1;
+      colors = true;
+      color_separator = "#FFFFFF";
+      color_good = "#00FF00";
+      color_degraded = "#00FFFF";
+      color_bad = "#FF0000";
+      separator = "｜";
+    };
+    modules = modAttr;
+  };
+}

home/picom.nix

@@ -2,8 +2,9 @@
 {
   services.picom = {
     enable = true;
-    backend = "glx";
+    backend = "egl";
     fade = true;
+    fadeDelta = 5;
     fadeExclude = [
       "window_type *= 'menu'"
       "focused = 1"