From cde6a0e940d736a84ff1390d3306794e1ee49627 Mon Sep 17 00:00:00 2001
From: Phillip Berndt <phillip.berndt@googlemail.com>
Date: Sat, 11 Apr 2020 14:14:53 +0200
Subject: [PATCH] Handle negative gamma values

Fixes #188.
---
 README.md    | 1 +
 autorandr.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ab3d23d..9e32355 100644
--- a/README.md
+++ b/README.md
@@ -215,6 +215,7 @@ profiles matching multiple (or any) monitors.
 ## Changelog
 
 **autorandr 1.10 (dev)**
+* *2020-04-11* Handle negative gamma values (fixes #188)
 * *2020-04-11* Sort approximate matches in detected profiles by quality of match
 * *2019-12-31* Fix output positioning if the top-left output is not the first
 * *2019-12-31* Accept negative gamma values (and interpret them as 0)
diff --git a/autorandr.py b/autorandr.py
index 295d01a..c876560 100755
--- a/autorandr.py
+++ b/autorandr.py
@@ -172,7 +172,7 @@ class XrandrOutput(object):
         (?:[\ \t]*tracking\ (?P<tracking>[0-9]+x[0-9]+\+[0-9]+\+[0-9]+))?               # Tracking information
         (?:[\ \t]*border\ (?P<border>(?:[0-9]+/){3}[0-9]+))?                            # Border information
         (?:\s*(?:                                                                       # Properties of the output
-            Gamma: (?P<gamma>(?:inf|[0-9\.\-: e])+) |                                   # Gamma value
+            Gamma: (?P<gamma>(?:inf|-?[0-9\.\-: e])+) |                                 # Gamma value
             CRTC:\s*(?P<crtc>[0-9]) |                                                   # CRTC value
             Transform: (?P<transform>(?:[\-0-9\. ]+\s+){3}) |                           # Transformation matrix
             EDID: (?P<edid>\s*?(?:\\n\\t\\t[0-9a-f]+)+) |                               # EDID of the output
-- 
2.39.2