nixos/home-manager/picom.nix

{
  services.picom = {
    enable = true;
    activeOpacity = 1.0;
    backend = "glx";
    experimentalBackends = false;
    fade = true;
    fadeDelta = 4;
    fadeSteps = [ 0.03 0.03 ];
    inactiveOpacity = 1.0;
    menuOpacity = 1.0;
    shadow = true;
    shadowExclude = [ "window_type = 'menu'" "class_g = 'firefox'" ];
    shadowOffsets = [ 25 25 ];
    shadowOpacity = 0.5;
    vSync = false;
    settings = {
      animations =  true;
      animation = {
        stiffness = 200;
        window-mass = 0.4;
        dampening = 20;
        clamping = false;
        for-open-window = "zoom";
        for-unmap-window = "zoom";
        for-workspace-switch-in = "slide-down";
        for-workspace-switch-out = "zoom";
        for-transient-window = "slide-up";
      };

      blur = false;
      blurExclude = [
        "window_type = 'dock'"
        "window_type = 'menu'"
        "class_g = 'firefox'" 
      ];

      shadow-radius = 25;
      frame-opacity = 1.0;
      inactive-opacity-override = false;
      corner-radius = 15;
      rounded-corners-exclude = [
        "window_type = 'desktop'"
        "window_type = 'tooltip'"
      ];
      mark-wmwin-focused = true;
      mark-ovredir-focused = true;
      detect-rounded-corners = true;
      detect-client-opacity = true;
      detect-transient = true;
      use-damage = true;
      log-level = "warn";
      wintypes = {
        tooltip = { fade = true; shadow = false; opacity = 1.0; focus = true; full-shadow = false; };
        dock = { shadow = true; };
        dnd = { shadow = true; };
        popup_menu = { opacity = 1.0; };
        dropdown_menu = { opacity = 1.0; };
      };
    };
  };
}