add picom config

home/platforms/fabian@posixlycorrect/gui/default.nix

@@ -10,10 +10,10 @@
     ./i3.nix
     ./polybar.nix
     ./startx.nix
+    ./picom.nix
   ];
 
   services = {
-    picom.enable = true;
     dunst.enable = true;
     betterlockscreen.enable = true;
   };

home/platforms/fabian@posixlycorrect/gui/picom.nix

@@ -0,0 +1,42 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  services.picom = {
+    enable = true;
+    fade = true;
+    fadeSteps = [0.1 0.1];
+    fadeDelta = 10;
+    settings = {
+      animations = [
+        {
+          triggers = [
+            "open"
+            "show"
+          ];
+
+          preset = "appear";
+          duration = "1";
+        }
+        {
+          triggers = [
+            "close"
+            "hide"
+          ];
+
+          preset = "disappear";
+          duration = "1";
+        }
+        {
+          triggers = [
+            "geometry"
+          ];
+          preset = "geometry-change";
+          duration = "1";
+        }
+      ];
+    };
+  };
+}