univie-ling (9may24)

git-svn-id: svn://tug.org/texlive/trunk@71217 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 54 insertions, 16 deletions

diff --git a/Master/texmf-dist/tex/latex/univie-ling/univie-ling-poster.cls b/Master/texmf-dist/tex/latex/univie-ling/univie-ling-poster.cls
index bb54e614ae7..d2b68940aff 100644
--- a/Master/texmf-dist/tex/latex/univie-ling/univie-ling-poster.cls
+++ b/Master/texmf-dist/tex/latex/univie-ling/univie-ling-poster.cls
@@ -33,8 +33,8 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
-\NeedsTeXFormat{LaTeX2e}[1997/06/01]
-\ProvidesClass{univie-ling-poster}[2023/03/31 v.2.4 Univie Ling poster class (JSp)]
+\NeedsTeXFormat{LaTeX2e}[2022/06/01]
+\ProvidesClass{univie-ling-poster}[2024/05/09 v.2.5 Univie Ling poster class (JSp)]
 
 %% ============================================================
 %% CLASS OPTIONS
@@ -76,10 +76,8 @@
 }
 \uvpt@cd@german
 
-% We use l3keys here since (1) LaTeX2e keys are rather
-% new and (2) do not provide for choice keys yet.
-\ExplSyntaxOn
-\keys_define:nn { uvpt }
+% Define keys and values
+\DeclareKeys[uvpt]
 {
     % all=<true|false>
     % Load all (most) packages
@@ -223,17 +221,9 @@
         \@uvpt@otffontsfalse
       },
 }
-\ExplSyntaxOff
 
 % Process
-
-\IfFormatAtLeastTF{2022-06-01}
-{
-  \ProcessKeyOptions[uvpt]
-}{
-  \RequirePackage{l3keys2e}
-  \ProcessKeysOptions{uvpt}
-}
+\ProcessKeyOptions[uvpt]
 
 
 %% ============================================================
@@ -942,13 +932,61 @@
 \fi
 
 %% ============================================================
-%% Semantic markup
+%% SEMANTIC MARKUP:
 %% ============================================================
 
 \newcommand\Expression[1]{\textit{#1}}
 \newcommand\Concept[1]{\textsc{#1}}
 \newcommand\Meaning[1]{\enquote*{#1}}
 
+%% ============================================================
+%% ACCESSIBILITY:
+%% ============================================================
+
+% Helper function that reports on the remaining space on the poster
+% as of the point where the command has been entered
+\RequirePackage{tikzpagenodes}
+\usetikzlibrary{calc}
+
+\newcommand*\restspace[1][]{%
+    \begin{tikzpicture}[overlay,remember picture]
+	\node (cp) at (current page text area.south west) {};%
+	\path let \p0 = (0,0), \p1 = (cp.north) in node [inner sep=0pt,outer sep=0pt,anchor=south] at (\x1,\y1)%
+           {%
+		\pgfmathsetmacro\restheight{((\y0-\y1) / \baselineskip) + 1}%
+		\pgfkeys{/pgf/number format/precision=1}%
+		\pgfmathroundto{\restheight}%
+		\ifx#1\empty%
+		   \edef\univie@space@warning{Remaining space: \pgfmathresult\space normal lines}%
+		\else%
+		   \edef\univie@space@warning{Remaining space (#1): \pgfmathresult\space normal lines}%
+		\fi%
+		\let\firstpgfmathresult\pgfmathresult%
+		\pgfmathparse{\pgfmathresult > 0}%
+		\def\univie@tmpa{0}%
+		\ifx\pgfmathresult\univie@tmpa%
+		    \pgfmathparse{\firstpgfmathresult > -1}%
+		    \ifx\pgfmathresult\univie@tmpa%
+		         \def\univie@space@expl{\univie@space@warning\MessageBreak
+		                                 Text exceeds poster! You need to re-arrange the content.}%
+		    \else%
+		         \def\univie@space@expl{It is still OK, but the poster is quite full\MessageBreak
+		                                Better take out at least one line here.}%
+		    \fi%
+		\else%
+		    \pgfmathparse{\firstpgfmathresult > 1}%
+		    \ifx\pgfmathresult\univie@tmpa%
+		        \def\univie@space@expl{All good, but this is full now.}%
+		    \else
+		        \def\univie@space@expl{Good, still space left!}%
+		    \fi
+		\fi%
+		\PackageWarning{univie-ling-poster}{\univie@space@warning\MessageBreak
+		                                    \univie@space@expl}%
+	   };%
+    \end{tikzpicture}%
+}
+
 \endinput
 %%
 %% End of file `univie-ling-poster.cls'.