From 967225b54bdaef09daaf860bd7435110e192c1be Mon Sep 17 00:00:00 2001
From: Jan Benda <jan.benda@uni-tuebingen.de>
Date: Sun, 7 Mar 2021 14:47:36 +0100
Subject: [PATCH] started to introduce color palette

---
 beamercolorthemeaptero.sty | 63 +++++++++++++++++++++-----------------
 beamercolorthemeut.sty     |  3 ++
 lines-example.tex          | 24 +++++++++++++--
 3 files changed, 60 insertions(+), 30 deletions(-)

diff --git a/beamercolorthemeaptero.sty b/beamercolorthemeaptero.sty
index f99fe61..ec775e8 100644
--- a/beamercolorthemeaptero.sty
+++ b/beamercolorthemeaptero.sty
@@ -36,11 +36,18 @@
 \setbeamercolor{structure}{fg=blue}
 \setbeamercolor{alerted text}{fg=red}
 
-\setbeamercolor{titlelike}{parent={normal text}, fg=blue}
+\setbeamercolor{palette primary}{parent=alerted text}
+\setbeamercolor{palette secondary}{parent=structure}
+\setbeamercolor{palette tertiary}{parent=normal text}
+
+\setbeamercolor{titlelike}{parent=palette secondary}
 
 \setbeamercolor{frametitle}{parent={titlelike}}
 \setbeamercolor{framesubtitle}{parent={titlelike}}
-\setbeamercolor{frametitle line}{fg=blue}
+\setbeamercolor{frametitle line}{parent={titlelike}}
+
+\setbeamercolor{item projected}{fg=white, bg=black!60}
+\setbeamercolor{subitem projected}{fg=white, bg=black!60}
 
 \setbeamercolor{itemize item}{parent={normal text}}
 \setbeamercolor{itemize item check}{parent={normal text}, fg=green}
@@ -50,64 +57,64 @@
 \setbeamercolor{enumerate item}{parent={normal text}}
 \setbeamercolor{enumerate subitem}{parent={normal text}}
 
-\setbeamercolor{block title}{fg=white, bg=blue}
-\setbeamercolor{block body}{fg=normal text.fg, bg=black!15}
+\setbeamercolor{block title}{fg=white, bg=palette secondary.fg}
+\setbeamercolor{block body}{fg=normal text.fg, bg=normal text.fg!15}
 \setbeamercolor{block line top}{fg=}
-\setbeamercolor{block line middle}{fg=blue}
-\setbeamercolor{block line bottom}{fg=blue}
+\setbeamercolor{block line middle}{fg=palette secondary.fg}
+\setbeamercolor{block line bottom}{fg=palette secondary.fg}
 
-\setbeamercolor{block title alerted}{parent={block title}, bg=red}
-\setbeamercolor{block body alerted}{fg=red, bg=black!15}
+\setbeamercolor{block title alerted}{parent={block title}, bg=alerted text.fg}
+\setbeamercolor{block body alerted}{fg=alerted text.fg, bg=normal text.fg!15}
 \setbeamercolor{block line alerted top}{fg=}
-\setbeamercolor{block line alerted middle}{fg=red}
-\setbeamercolor{block line alerted bottom}{fg=red}
+\setbeamercolor{block line alerted middle}{fg=block title alerted.bg}
+\setbeamercolor{block line alerted bottom}{fg=block title alerted.bg}
 
 \setbeamercolor{block title example}{parent={block title}, bg=lightgreen}
-\setbeamercolor{block body example}{fg=normal text.fg, bg=black!15}
+\setbeamercolor{block body example}{fg=normal text.fg, bg=normal text.fg!15}
 \setbeamercolor{block line example top}{fg=}
-\setbeamercolor{block line example middle}{fg=lightgreen}
-\setbeamercolor{block line example bottom}{fg=lightgreen}
+\setbeamercolor{block line example middle}{fg=block title example.bg}
+\setbeamercolor{block line example bottom}{fg=block title example.bg}
 
 \setbeamercolor{theorem title}{parent={block title}, bg=orange}
-\setbeamercolor{theorem body}{fg=normal text.fg, bg=orange!40}
+\setbeamercolor{theorem body}{fg=normal text.fg, bg=theorem title.bg!40}
 \setbeamercolor{theorem line top}{fg=}
-\setbeamercolor{theorem line middle}{fg=orange}
-\setbeamercolor{theorem line bottom}{fg=orange}
+\setbeamercolor{theorem line middle}{fg=theorem title.bg}
+\setbeamercolor{theorem line bottom}{fg=theorem title.bg}
 
-\setbeamercolor{message}{fg=white, bg=red}
+\setbeamercolor{message}{parent=block title, bg=alerted text.fg}
 \setbeamercolor{message line top}{fg=}
 \setbeamercolor{message line bottom}{fg=}
 \setbeamercolor{message symbol}{fg=}
-\setbeamercolor{message item}{fg=red}
-\setbeamercolor{message item symbol}{fg=red}
+\setbeamercolor{message item}{fg=alerted text.fg}
+\setbeamercolor{message item symbol}{fg=alerted text.fg}
 
-\setbeamercolor{verse}{parent=normal text, bg=black!15}
+\setbeamercolor{verse}{parent=normal text, bg=normal text.fg!15}
 \setbeamercolor{verse line top}{fg=}
 \setbeamercolor{verse line bottom}{fg=}
 
-\setbeamercolor{quote}{parent=normal text, bg=black!15}
-\setbeamercolor{quote symbol}{fg=red}
+\setbeamercolor{quote}{parent=normal text, bg=normal text.fg!15}
+\setbeamercolor{quote symbol}{fg=palette primary.fg}
 \setbeamercolor{quote source}{parent=quote}
 \setbeamercolor{quote line top}{fg=}
 \setbeamercolor{quote line bottom}{fg=}
 
-\setbeamercolor{quotation}{parent=normal text, bg=black!15}
-\setbeamercolor{quotation source}{parent=quote}
-\setbeamercolor{quotation symbol}{fg=blue}
+\setbeamercolor{quotation}{parent=normal text, bg=normal text!15}
+\setbeamercolor{quotation source}{parent=quotation}
+\setbeamercolor{quotation symbol}{fg=palette secondary.fg}
 \setbeamercolor{quotation line top}{fg=}
 \setbeamercolor{quotation line bottom}{fg=}
 
 \setbeamercolor{section in toc}{parent={normal text}}
 \setbeamercolor{subsection in toc}{parent={normal text}}
 
-\setbeamercolor{title}{parent={titlelike}, fg=red}
+\setbeamercolor{title}{parent=palette primary}
 \setbeamercolor{subtitle}{parent={title}}
 \setbeamercolor{author}{parent={normal text}}
 \setbeamercolor{institute}{parent={normal text}}
 
 \setbeamercolor{title page}{parent={normal text}}
-\setbeamercolor{title page graphic line}{fg=red}
-\setbeamercolor{title page title line}{fg=red}
+\setbeamercolor{title page graphic line}{fg=palette primary.fg}
+\setbeamercolor{title page title line}{fg=palette primary.fg}
 
 \setbeamercolor{section name}{parent={titlelike}}
 \setbeamercolor{section name separator}{parent={section name}}
diff --git a/beamercolorthemeut.sty b/beamercolorthemeut.sty
index 2d1f8df..2f50701 100644
--- a/beamercolorthemeut.sty
+++ b/beamercolorthemeut.sty
@@ -37,6 +37,9 @@
 \setbeamercolor{structure}{fg=utblue}
 \setbeamercolor{alerted text}{fg=utred}
 
+\setbeamercolor{item projected}{fg=white, bg=utblack!60}
+\setbeamercolor{subitem projected}{fg=white, bg=utblack!60}
+
 \setbeamercolor{itemize item}{parent={normal text}, fg=utblack!60}
 \setbeamercolor{itemize item check}{parent={normal text}, fg=utgreen}
 \setbeamercolor{itemize item uncheck}{parent={normal text}, fg=utred}
diff --git a/lines-example.tex b/lines-example.tex
index 90a8fb3..06a5f76 100644
--- a/lines-example.tex
+++ b/lines-example.tex
@@ -102,7 +102,8 @@
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 \begin{frame}[fragile]{Itemize and enumerate}
-  \begin{minipage}[t]{0.45\textwidth}
+  \vfill
+  \begin{minipage}[t]{0.3\textwidth}
     \vspace{-3ex}
     \begin{block}{Itemize with overlays}
       \verb!\begin{itemize}!\\
@@ -120,7 +121,7 @@
     \end{itemize}
   \end{minipage}
   \hfill
-  \begin{minipage}[t]{0.45\textwidth}
+  \begin{minipage}[t]{0.25\textwidth}
     \vspace{-3ex}
     \begin{block}{Enumerate with overlays}
       \verb!\begin{enumerate}!\\
@@ -137,6 +138,25 @@
     \item<3-> Banana
     \end{enumerate}
   \end{minipage}
+  \hfill
+  \begin{minipage}[t]{0.37\textwidth}
+    \vspace{-3ex}
+    \begin{block}{Cover transparency}
+      \verb!\setbeamercovered{transparent=50}!\\
+      \verb!\begin{enumerate}!\\
+        \verb!\item<1> Apple!\\
+        \verb!\item<2-> Orange!\\
+        \verb!\item<3> Lemon!\\
+        \verb!\end{enumerate}!
+    \end{block}
+    \setbeamercovered{transparent=50}
+    \begin{enumerate}
+    \item<1> Apple
+    \item<2-> Orange
+    \item<3> Lemon
+    \end{enumerate}
+    \setbeamercovered{invisible}
+  \end{minipage}
 \end{frame}
 
 \newcommand{\itemizesymboldemo}[1]{