From e75d7ba5b03699dae20b2e0cde2ead55e6cbb31b Mon Sep 17 00:00:00 2001
From: Ryan Roden-Corrent <ryan@rcorre.net>
Date: Mon, 29 Apr 2019 07:19:15 -0400
Subject: Prevent keyhint timer from eating all CPU.

By default, timers are not single-shot, which means they will keep
firing every `interval` seconds after being started. This is unnecessary
for the keyhint timer, and causes it to eat ~100% CPU with
keyhint.delay=0.

Fixes #4742.
---
 qutebrowser/misc/keyhintwidget.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/qutebrowser/misc/keyhintwidget.py b/qutebrowser/misc/keyhintwidget.py
index 7c23b230c..4b2c5d685 100644
--- a/qutebrowser/misc/keyhintwidget.py
+++ b/qutebrowser/misc/keyhintwidget.py
@@ -71,6 +71,7 @@ class KeyHintView(QLabel):
         self.hide()
         self._show_timer = usertypes.Timer(self, 'keyhint_show')
         self._show_timer.timeout.connect(self.show)
+        self._show_timer.setSingleShot(True)
         config.set_register_stylesheet(self)
 
     def __repr__(self):
-- 
cgit v1.2.3-54-g00ecf