From 5426dcefdcb59a9b9ff2bb7fa4970cc2ba8a8c1e Mon Sep 17 00:00:00 2001
From: Vincent Bernat <vincent@bernat.ch>
Date: Sun, 11 Jul 2021 08:51:28 +0200
Subject: [PATCH] picom: exclude utility windows from opacity

That's what Firefox is using for some menus.
---
 dotfiles/picom.conf | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dotfiles/picom.conf b/dotfiles/picom.conf
index 99d5675..72b323f 100644
--- a/dotfiles/picom.conf
+++ b/dotfiles/picom.conf
@@ -4,6 +4,8 @@ mark-ovredir-focused = true;
 use-ewmh-active-win = true;
 
 # Opacity rules (first rule match)
+# Cannot use override-redirect:
+#  https://github.com/yshui/picom/issues/625
 opacity-rule = [
   "100:fullscreen",
   "100:name = 'Zoom Meeting'",
@@ -11,6 +13,7 @@ opacity-rule = [
   "100:window_type = 'popup_menu'",
   "100:window_type = 'dropdown_menu'",
   "100:window_type = 'menu'",
+  "100:window_type = 'utility'",
   "100:window_type = 'dock'",
   "85:!focused"
 ];