From 96c8490144ec8a18d0c2d1255ea59020b768387b Mon Sep 17 00:00:00 2001
From: Jan Benda <jan.benda@uni-tuebingen.de>
Date: Wed, 3 Mar 2021 15:55:35 +0100
Subject: [PATCH] added page number templates

---
 beamerthemelines.sty | 21 +++++++++++++++++++--
 beamerthemeut.sty    |  1 +
 lines-example.tex    | 14 ++++++++++++++
 3 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/beamerthemelines.sty b/beamerthemelines.sty
index ff71391..d228cf8 100644
--- a/beamerthemelines.sty
+++ b/beamerthemelines.sty
@@ -69,6 +69,24 @@
 \setbeamertemplate{headline}[default]
 
 
+%%%%% page numbers %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\defbeamertemplate{page number in head/foot}{frames}{%
+  {\usebeamerfont{page number in head/foot}%
+    \makebox[2.5ex][r]{\insertframenumber{}}}}
+\defbeamertemplate{page number in head/foot}{framestotal}{%
+  {\usebeamerfont{page number in head/foot}%
+    \makebox[6ex][r]{\insertframenumber{} / \inserttotalframenumber{}}}}
+\defbeamertemplate{page number in head/foot}{slides}{%
+  {\usebeamerfont{page number in head/foot}%
+    \makebox[2.5ex][r]{\insertframenumber{} } %
+    \newcount{\c@tmp@numslides}%
+    \c@tmp@numslides=\numexpr\beamer@endpageofframe-\beamer@startpageofframe\relax%
+    \makebox[2.5ex][r]{\ifnum\c@tmp@numslides>0 -- \insertslidenumber{}\fi}}}
+
+\setbeamertemplate{page number in head/foot}[frames]
+
+
 %%%%% footline %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 %%%%% footline line:
@@ -150,8 +168,7 @@
     % page:
     \if@beamer@footline@page
       \usebeamertemplate{footline separator}
-      {\usebeamerfont{page number in head/foot}%
-        \insertframenumber}
+      \usebeamertemplate{page number in head/foot}%
     \fi
     % logo:
     \if@beamer@footline@logo%
diff --git a/beamerthemeut.sty b/beamerthemeut.sty
index 90a6175..06a1e25 100644
--- a/beamerthemeut.sty
+++ b/beamerthemeut.sty
@@ -38,6 +38,7 @@
 \setbeamertemplate{frametitle}[boxline]           % boxline, boxlinelogo
 \setbeamertemplate{frametitle line}[page][0.75pt] % text, page
 
+\setbeamertemplate{page number in head/foot}[frames] % frames, framestotal, slides
 \setbeamertemplate{footline}[lines]               % default (no footline), lines
 \setbeamertemplate{footline line}[page][0.3pt]    % text, page
 \setbeamertemplate{footline separator}[text][0.3pt] % text, full
diff --git a/lines-example.tex b/lines-example.tex
index db20162..d5297b5 100644
--- a/lines-example.tex
+++ b/lines-example.tex
@@ -292,6 +292,20 @@
   \end{block}
 \end{frame}
 
+\begin{frame}[fragile]{Footline page}
+  How the page in the footline is displayed can be controlled in the
+  following way:
+  \begin{block}{frame number, e.g. 12}
+    \verb!\setbeamertemplate{page number in head/foot}[frames]!
+  \end{block}
+  \begin{block}{frame number with total number of frames, e.g. 12 / 20}
+    \verb!\setbeamertemplate{page number in head/foot}[framestotal]!
+  \end{block}
+  \begin{block}{frame number with slide number, e.g. 12 -- 3}
+    \verb!\setbeamertemplate{page number in head/foot}[slides]!
+  \end{block}
+\end{frame}
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 \section{Title page}