From 13806156ae20490fdc73a28be4ebe860d52716a4 Mon Sep 17 00:00:00 2001
From: Jeff LANCE <jeff.lance@mala.fr>
Date: Tue, 27 Sep 2016 15:23:19 +0200
Subject: [PATCH] simplify code for declaring options

---
 cours/cours_beamer.cls | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/cours/cours_beamer.cls b/cours/cours_beamer.cls
index f5afe1a..586bea1 100644
--- a/cours/cours_beamer.cls
+++ b/cours/cours_beamer.cls
@@ -8,7 +8,7 @@
 %%%
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesClass{cours_beamer}[2014/12/08 Slides de cours, v1.5]
+\ProvidesClass{cours_beamer}[2014/12/08 Slides de cours, v1.6]
 
 
 
@@ -35,16 +35,25 @@
 % firstcolor
 % 	option de classe
 %	  couleur générale du beamer
-\def\firstcolor{lapislazuli}%
-\define@key{cours_beamer.cls}{firstcolor}[lapislazuli]{%
+%
+%   "classical" way
+%   \def\firstcolor{lapislazuli}%
+%   \define@key{cours_beamer.cls}{firstcolor}[lapislazuli]{%
+%     \def\firstcolor{#1}%
+%   }
+%
+%   \def\secondcolor{-\firstcolor}%
+%   \define@key{cours_beamer.cls}{secondcolor}[-\firstcolor]{%
+%     \def\secondcolor{#1}%
+%   }
+%--%
+\DeclareOptionX{firstcolor}[lapislazuli]{%
   \def\firstcolor{#1}%
 }
-
-\def\secondcolor{-\firstcolor}%
-\define@key{cours_beamer.cls}{secondcolor}[-\firstcolor]{%
+\DeclareOptionX{secondcolor}[-\firstcolor]{%
   \def\secondcolor{#1}%
 }
-%--%
+
 
 
 %-- options