From 8ff7d934b2dc83aa3c37b9846f515691ff5e1fce Mon Sep 17 00:00:00 2001
From: Anton Plotnikov <plotnikovanton@gmail.com>
Date: Sun, 15 Apr 2018 05:19:37 +0300
Subject: [PATCH] Add blur options to compton

---
 modules/services/compton.nix | 37 ++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/modules/services/compton.nix b/modules/services/compton.nix
index d4ac549c..b6e85f04 100644
--- a/modules/services/compton.nix
+++ b/modules/services/compton.nix
@@ -24,7 +24,15 @@ let
       shadow-offset-y = ${toString (elemAt cfg.shadowOffsets 1)};
       shadow-opacity  = ${cfg.shadowOpacity};
       shadow-exclude  = ${toJSON cfg.shadowExclude};
+    '' + 
+    optionalString cfg.blur ''
+
+      # blur
+      blur-background         = true;
+      blur-background-exclude = ${toJSON cfg.blurExclude};
+      no-dock-blur            = ${toString cfg.noDockBlur};
     '' + ''
+
       # opacity
       active-opacity   = ${cfg.activeOpacity};
       inactive-opacity = ${cfg.inactiveOpacity};
@@ -42,6 +50,35 @@ in {
   options.services.compton = {
     enable = mkEnableOption "Compton X11 compositor";
 
+    blur = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Enable background blur on transparent windows.
+      '';
+    };
+
+    noDockBlur = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Avoid blur on docks.
+      '';
+    };
+
+    blurExclude = mkOption {
+      type = types.listOf types.str;
+      default = [];
+      example = [
+        "class_g = 'slop'"
+        "class_i = 'polybar'"
+      ];
+      description = ''
+        List of windows to exclude background blur.
+        See <literal>compton(1)</literal> man page for more examples.
+      '';
+    };
+
     fade = mkOption {
       type = types.bool;
       default = false;