From de3db5e517c06d1b8793b3a1c134b9bf4ad8b189 Mon Sep 17 00:00:00 2001
From: Johan Larsson <13087841+jolars@users.noreply.github.com>
Date: Tue, 1 Apr 2025 16:33:37 +0200
Subject: [PATCH] feat: support `\thanks` in title page (#45)

---
 src/beamercolorthememoloch.dtx |  2 ++
 src/beamerinnerthememoloch.dtx | 45 ++++++++++++++++++++--------------
 testfiles/sectionpages.tlg     | 17 +++++++++++++
 3 files changed, 45 insertions(+), 19 deletions(-)

diff --git a/src/beamercolorthememoloch.dtx b/src/beamercolorthememoloch.dtx
index 57e4020..ee68f0a 100644
--- a/src/beamercolorthememoloch.dtx
+++ b/src/beamercolorthememoloch.dtx
@@ -130,6 +130,8 @@
 \setbeamercolor{institute}{%
   use=normal text, fg=normal text.fg!80!normal text.bg}
 \setbeamercolor{structure}{use=normal text, fg=normal text.fg}
+\setbeamercolor{thanks}{%
+  use=normal text,fg=normal text.fg!80!normal text.bg}
 %    \end{macrocode}
 %
 % The “primary” palette should be used for the most important navigational
diff --git a/src/beamerinnerthememoloch.dtx b/src/beamerinnerthememoloch.dtx
index afc2ca3..e84f6aa 100644
--- a/src/beamerinnerthememoloch.dtx
+++ b/src/beamerinnerthememoloch.dtx
@@ -164,30 +164,28 @@
 % space on the title slide.
 %    \begin{macrocode}
 \setbeamertemplate{title page}{
-  \begin{minipage}[c][\textheight]{\textwidth}
-    \null%
-    \vspace{0pt plus 1.618fil}%
-    \vfil%
-    \ifx\inserttitlegraphic\@empty\else\usebeamertemplate*{title graphic}\fi
-    \ifx\inserttitle\@empty\else\usebeamertemplate*{title}\fi
-    \ifx\insertsubtitle\@empty\else\usebeamertemplate*{subtitle}\fi
-    \usebeamertemplate*{title separator}
-    \expandafter\ifblank\expandafter{\beamer@andstripped}{}{%
-      \usebeamertemplate*{author}%
-    }
-    \ifx\insertinstitute\@empty\else\usebeamertemplate*{institute}\fi
-    \ifx\insertdate\@empty\else\usebeamertemplate*{date}\fi
-    \vspace{0pt plus 1fil}%
-    \null
-  \end{minipage}%
+  \null%
+  \vspace{0pt plus 1.618fil}%
+  \vfil%
+  \ifx\inserttitlegraphic\@empty\else\usebeamertemplate*{title graphic}\fi
+  \ifx\inserttitle\@empty\else\usebeamertemplate*{title}\fi
+  \ifx\insertsubtitle\@empty\else\usebeamertemplate*{subtitle}\fi
+  \usebeamertemplate*{title separator}
+  \expandafter\ifblank\expandafter{\beamer@andstripped}{}{%
+    \usebeamertemplate*{author}%
+  }
+  \ifx\insertinstitute\@empty\else\usebeamertemplate*{institute}\fi
+  \ifx\insertdate\@empty\else\usebeamertemplate*{date}\fi
+  \vspace{0pt plus 1fil}%
+  \null
 }
 %    \end{macrocode}
 % \end{macro}%
 %
 % Normal people should use |\maketitle| or |\titlepage| instead of using the
 % |title page| beamer template directly. Beamer already defines these macros,
-% but we patch them here to make the title page |[plain]| by default, remove
-% |\@thanks|, and ensure the title frame number doesn't count.
+% but we patch them here to make the title page |[plain]| by default
+% and ensure the title frame number doesn't count.
 %
 % \begin{macro}{\maketitle}
 % \begin{macro}{\titlepage}
@@ -200,11 +198,20 @@
   \ifbeamer@inframe
     \titlepage
   \else
+    \begingroup
+    \renewcommand\footnoterule{}%
     \frame[plain,noframenumbering]{\titlepage}
+    \endgroup
   \fi
 }
 \def\titlepage{%
-  \usebeamertemplate{title page}
+  % Apply title-page specific footnote settings
+  \renewcommand{\@makefntext}[1]{%
+    {\par\usebeamercolor[fg]{thanks}\usebeamerfont{thanks}$^{\@thefnmark}$##1\medskip}%
+  }
+
+  % Process the title page
+  \usebeamertemplate{title page}\@thanks
 }
 %    \end{macrocode}
 % \end{macro}
diff --git a/testfiles/sectionpages.tlg b/testfiles/sectionpages.tlg
index 6a35284..cf08c1d 100644
--- a/testfiles/sectionpages.tlg
+++ b/testfiles/sectionpages.tlg
@@ -2,6 +2,23 @@ This is a generated file for the l3build validation system.
 Don't change this file in any respect.
 [2
 ]
+LaTeX Font Info:    Trying to load font information for OML+lmm on input line ....
+LaTeX Font Info:    Trying to load font information for OMS+lmsy on input line ....
+LaTeX Font Info:    Trying to load font information for OMX+lmex on input line ....
+LaTeX Font Info:    External font `lmex10' loaded for size
+(Font)              <10.95> on input line ....
+LaTeX Font Info:    External font `lmex10' loaded for size
+(Font)              <8> on input line ....
+LaTeX Font Info:    External font `lmex10' loaded for size
+(Font)              <6> on input line ....
+LaTeX Font Info:    Trying to load font information for U+msa on input line ....
+LaTeX Font Info:    Trying to load font information for U+msb on input line ....
+LaTeX Font Info:    Font shape `OT1/lmss/m/it' in size <10.95> not available
+(Font)              Font shape `OT1/lmss/m/sl' tried instead on input line ....
+LaTeX Font Info:    Font shape `OT1/lmss/m/it' in size <8> not available
+(Font)              Font shape `OT1/lmss/m/sl' tried instead on input line ....
+LaTeX Font Info:    Font shape `OT1/lmss/m/it' in size <6> not available
+(Font)              Font shape `OT1/lmss/m/sl' tried instead on input line ....
 [3
 ]
 [4