From 92a068fe32235d07b2cdcce0f0031f4ce5b8486a Mon Sep 17 00:00:00 2001
From: Johann Dahm <johann.dahm@gmail.com>
Date: Wed, 28 Jan 2015 20:24:32 -0500
Subject: [PATCH] Added 'blockbg' option to metropolis color theme.

Still inaccessible from theme.
---
 beamercolorthememetropolis.sty | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/beamercolorthememetropolis.sty b/beamercolorthememetropolis.sty
index 98baa39..25b2a35 100644
--- a/beamercolorthememetropolis.sty
+++ b/beamercolorthememetropolis.sty
@@ -9,6 +9,13 @@
 
 \ProvidesPackage{beamercolorthememetropolis}
 
+\newif\if@blockbg
+\@blockbgfalse
+\DeclareOption{blockbg}{\@blockbgtrue}
+
+\ProcessOptions\relax
+
+
 % http://paletton.com/#uid=7050t0kkJkJsntwoyp6gYgoddc4
 
 \definecolor{mDarkBrown}{HTML}{604c38}
@@ -40,13 +47,17 @@
 \setbeamercolor{footnote mark}{fg=.}
 \setbeamercolor{page number in head/foot}{fg=mDarkTeal}
 
-\setbeamercolor{block title}{parent=palette secondary}
-\setbeamercolor{block title alerted}{use=alerted text,fg=mDarkTeal,bg=alerted text.fg!75!bg}
-\setbeamercolor{block title example}{use=example text,fg=mDarkTeal,bg=example text.fg!75!bg}
+\if@blockbg
 
-\setbeamercolor{block body}{parent=normal text,use=block title,bg=block title.bg!25!bg}
-\setbeamercolor{block body alerted}{parent=normal text,use=block title alerted,bg=block title alerted.bg!25!bg}
-\setbeamercolor{block body example}{parent=normal text,use=block title example,bg=block title example.bg!25!bg}
+\setbeamercolor{block title}{parent=palette primary,bg=palette primary.bg!80!fg}
+\setbeamercolor{block title alerted}{use=alerted text,parent=palette primary,fg=alerted text.fg}
+\setbeamercolor{block title example}{use=example text,parent=palette primary,fg=example text.fg}
+
+\setbeamercolor{block body}{parent=normal text,use=block title,bg=block title.bg}
+\setbeamercolor{block body alerted}{parent=normal text,use=block title alerted,bg=block title alerted.bg}
+\setbeamercolor{block body example}{parent=normal text,use=block title example,bg=block title example.bg}
+
+\fi
 
 \mode
 <all>