From 923a0a58b69dbe333ed96dfd776ca7b823c8cfde Mon Sep 17 00:00:00 2001
From: Henrik Lissner <henrik@lissner.net>
Date: Fri, 25 Oct 2019 01:26:56 -0400
Subject: [PATCH] tools/flycheck: prevent flycheck popup buffer taking focus

When tooltip/childframe is off, long errors can spawn a popup window
that, by default, will steal input focus. No more!

Reported by @rgrinberg
---
 modules/tools/flycheck/config.el | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/tools/flycheck/config.el b/modules/tools/flycheck/config.el
index 9394d7a9e..9777a8e5b 100644
--- a/modules/tools/flycheck/config.el
+++ b/modules/tools/flycheck/config.el
@@ -22,6 +22,11 @@ errors.")
   ;; Display errors a little quicker (default is 0.9s)
   (setq flycheck-display-errors-delay 0.25)
 
+  ;; Don't commandeer input focus if the error message pops up (happens when
+  ;; tooltips and childframes are disabled).
+  (after! flycheck
+    (set-popup-rule! flycheck-error-message-buffer :select nil))
+
   (add-hook! 'doom-escape-hook :append
     (defun +flycheck-buffer-h ()
       "Flycheck buffer on ESC in normal mode."