From bd954957b4b49b4aaf2a76719c9c6f3a1ba7600c Mon Sep 17 00:00:00 2001
From: Jannik Dunkelau <jannik.dunkelau@hhu.de>
Date: Wed, 15 Sep 2021 17:43:53 +0200
Subject: [PATCH] Implement empty slides and support missing frametitles
---
beamerinnerthemehhubeamer.sty | 32 +++++++++++++++++++++++++-------
beamerouterthemehhubeamer.sty | 18 ------------------
presentation.tex | 10 +++++++++-
3 files changed, 34 insertions(+), 26 deletions(-)
diff --git a/beamerinnerthemehhubeamer.sty b/beamerinnerthemehhubeamer.sty
index a66c516..903eab8 100644
--- a/beamerinnerthemehhubeamer.sty
+++ b/beamerinnerthemehhubeamer.sty
@@ -38,6 +38,10 @@
\vfill
}
+% make beamer always use the frametitle template, even if frametitle is empty
+\RequirePackage{etoolbox}
+\patchcmd{\endbeamer@frameslide}{\ifx\beamer@frametitle\@empty}{\iffalse}{}{\errmessage{failed to patch}}
+
% Frame title
\defbeamertemplate*{frametitle}{hhubeamer}[1][]
@@ -45,22 +49,28 @@
\begin{beamercolorbox}[wd=\paperwidth,ht=2.11cm]{frametitle}
\begin{tikzpicture}
\useasboundingbox[fill=white](0,0) rectangle(\the\paperwidth,2.11);
- % D on the left
- \fill[hhublue] (0,1.4) rectangle ++(0.3,-0.5);
- \fill[hhublue] (0.3,1.15) circle (0.25);
- % bottom line in header
- \draw[hhuiceblue!65,thick] (.9,0.4) -- ++(12,0);
+ \ifx\insertframetitle\@empty%
+ \else%
+ % D on the left
+ \fill[hhublue] (0,1.4) rectangle ++(0.3,-0.5);
+ \fill[hhublue] (0.3,1.15) circle (0.25);
+ % bottom line in header
+ \draw[hhuiceblue!65,thick] (.9,0.4) -- ++(12,0);
+ \fi
% Logo
\node[anchor=south] at (14.5,-.02) {\includegraphics[height=16.8mm]{fig/template/HHU-vertikal.pdf}};
% Captions
\ifx\insertframesubtitle\@empty%
{\node[anchor=west, hhublue,font=\LARGE] at (.75,1.22){\insertframetitle};}
- \else%
+ \else%
{\node[anchor=west, hhublue,font=\LARGE] at (.75,1.22){\insertframetitle};
\node[anchor=west, hhublue,font=\large] at (.75,0){\insertframesubtitle};}%
- \fi
+ \fi
\end{tikzpicture}
\end{beamercolorbox}
+ \ifx\insertframetitle\@empty%
+ \vspace{-1.5cm}
+ \fi
}
\BeforeBeginEnvironment{frame}{%
@@ -71,6 +81,10 @@
\setbeamertemplate{frametitle}[separator]%
}
+\define@key{beamerframe}{empty}[true]{%
+ \setbeamertemplate{frametitle}[empty]%
+}
+
\defbeamertemplate*{frametitle}{separator}
{%
%% Heine
@@ -102,6 +116,10 @@
\end{textblock}
}
+\defbeamertemplate*{frametitle}{empty}[1][]
+{%
+ \vspace{.64cm}
+}
% itemize
\setbeamertemplate{itemize items}[circle]
diff --git a/beamerouterthemehhubeamer.sty b/beamerouterthemehhubeamer.sty
index c266f77..7949359 100644
--- a/beamerouterthemehhubeamer.sty
+++ b/beamerouterthemehhubeamer.sty
@@ -1,23 +1,5 @@
\RequirePackage{tikz}
-% Frame title
-% \defbeamertemplate*{frametitle}{lucid}[1][]{
- % % \vskip0.5cm%
- % % \begin{beamercolorbox}[wd=\paperwidth,ht=1.2cm]{frametitle}
- % % \begin{tikzpicture}
- % % \useasboundingbox(0,0) rectangle(\the\paperwidth,1.2);
- % % {\usebeamercolor[fg]{frametitle-left}}
- % % \fill[color=frametitle-left.fg] (0.2,0) rectangle(\the\marginedPaperWidth,1.2);
- % % \ifx\insertframesubtitle\@empty%
- % % {\node[anchor=west] at (0.3,0.61){\usebeamerfont{frametitle}\insertframetitle};}
- % % \else%
- % % {\node[anchor= west] at (0.2,0.81){\usebeamerfont{frametitle}\insertframetitle};%
- % % \node[anchor= west] at (0.4,0.25){\usebeamerfont{framesubtitle}-\insertframesubtitle};}%
- % % \fi
- % % \end{tikzpicture}
- % % \end{beamercolorbox}
-% }
-
\setbeamerfont{footer bar}{size=\scriptsize}
\setbeamerfont{footer bar small}{size=\scriptsize}
\setbeamerfont{footer bar tiny}{size=\tiny}
diff --git a/presentation.tex b/presentation.tex
index 127ec47..009f2fe 100644
--- a/presentation.tex
+++ b/presentation.tex
@@ -99,6 +99,10 @@
\frametitle{Separator with longer title}
\end{frame}
+\begin{frame}[separator]
+ % \frametitle{Separator without title}
+\end{frame}
+
\begin{frame}[separator]
\frametitle{Separator with}
@@ -122,7 +126,11 @@
\end{frame}
\begin{frame}
- Empty frame layout
+ No frame title.
+\end{frame}
+
+\begin{frame}[empty]
+ No frame title, no logo.
\end{frame}
\end{document}
--
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