presentation.org: back to original adjustbox + Kyndryl colors

Based on the original working template (commit 4ceaea1):
- Same allowframebreaks via renewenvironment{frame}
- Same adjustbox wrapper on tabular (proven to work)
- Added: Kyndryl palette colors over Madrid theme
- Added: H:2 + AtBeginSection{} (no empty section slides)
- Added: logo via titlegraphic
- Added: rowcolors for alternating table rows
- config.el tabularx filter skips beamer (adjustbox handles it)

templates/presentation.org

@@ -3,29 +3,28 @@
 #+AUTHOR: Martin Sukaný
 #+DATE: \today
 #+LANGUAGE: en
-#+OPTIONS: toc:nil num:nil H:2 ^:nil tags:nil
 
-# -- LaTeX class ---------------------------------------------------------------
+#+OPTIONS: toc:nil num:nil H:2
+
 #+LATEX_CLASS: beamer
 #+LATEX_CLASS_OPTIONS: [aspectratio=169]
 
-# -- Beamer theme --------------------------------------------------------------
 #+BEAMER_THEME: Madrid
 
-# -- Encoding, typografie (from document.org) ----------------------------------
+# -- allowframebreaks: auto-split long slides ----------------------------------
+#+LATEX_HEADER: \let\oldframe\frame
+#+LATEX_HEADER: \let\endoldframe\endframe
+#+LATEX_HEADER: \renewenvironment{frame}[1][]{\oldframe[allowframebreaks,#1]}{\endoldframe}
+
+# -- Encoding, fonts -----------------------------------------------------------
 #+LATEX_HEADER: \usepackage[english]{babel}
 #+LATEX_HEADER: \usepackage[T1]{fontenc}
-#+LATEX_HEADER: \usepackage[utf8]{inputenc}
-#+LATEX_HEADER: \usepackage{microtype}
+#+LATEX_HEADER: \usepackage{lmodern}
+#+LATEX_HEADER: \usepackage{graphicx}
 
-# -- Font (Helvetica / sans-serif — same as document.org) ----------------------
-#+LATEX_HEADER: \usepackage{helvet}
-#+LATEX_HEADER: \renewcommand{\familydefault}{\sfdefault}
-
-# -- Barvy (Kyndryl — same definitions as document.org) ------------------------
+# -- Kyndryl brand colors ------------------------------------------------------
 #+LATEX_HEADER: \usepackage[table,x11names]{xcolor}
 #+LATEX_HEADER: \definecolor{kyndrylRed}{RGB}{196,0,0}
-#+LATEX_HEADER: \definecolor{linkcolor}{RGB}{196,0,0}
 #+LATEX_HEADER: \definecolor{tableOdd}{RGB}{252,252,252}
 #+LATEX_HEADER: \definecolor{tableEven}{RGB}{237,237,237}
 
@@ -40,40 +39,51 @@
 #+LATEX_HEADER: \setbeamercolor{item}{fg=kyndrylRed}
 #+LATEX_HEADER: \setbeamercolor{subitem}{fg=kyndrylRed!80}
 
-# -- Suppress empty section/subsection title slides ----------------------------
+# -- Suppress empty section title slides (H:2 needs this) ---------------------
 #+LATEX_HEADER: \AtBeginSection{}
 #+LATEX_HEADER: \AtBeginSubsection{}
 
-# -- Navigation: remove symbols ------------------------------------------------
+# -- Navigation ----------------------------------------------------------------
 #+LATEX_HEADER: \setbeamertemplate{navigation symbols}{}
+#+LATEX_HEADER: \setbeamertemplate{footline}[frame number]
 #+LATEX_HEADER: \setbeamertemplate{frametitle continuation}{}
 
-# -- Hyperlinks (from document.org) --------------------------------------------
-#+LATEX_HEADER: \usepackage{hyperref}
-#+LATEX_HEADER: \hypersetup{colorlinks=true,linkcolor=linkcolor,urlcolor=linkcolor,citecolor=linkcolor,pdfencoding=auto,unicode=true}
-
-# -- Obrazky (from document.org) -----------------------------------------------
-#+LATEX_HEADER: \usepackage{graphicx}
-
 # -- Logo on title page --------------------------------------------------------
 #+LATEX_HEADER: \titlegraphic{\includegraphics[width=0.15\textwidth]{~/org/templates/logo.png}}
 
-# -- Tabulky (from document.org, BEZ longtable/ltablex — beamer nepodporuje) ---
-# Scaling: config.el my/org-beamer-resizebox-tables filter wraps tabular
-# in \resizebox{\textwidth}{!}{} automatically for beamer exports.
+# -- Tabulky: adjustbox (puvodni fungujici reseni) -----------------------------
+# config.el tabularx filter is skipped for beamer → tables stay as plain tabular
+# adjustbox scales them to fit slide width
+#+LATEX_HEADER: \usepackage{adjustbox}
 #+LATEX_HEADER: \usepackage{array}
 #+LATEX_HEADER: \usepackage{booktabs}
 #+LATEX_HEADER: \usepackage{colortbl}
 #+LATEX_HEADER: \usepackage{etoolbox}
-#+LATEX_HEADER: \usepackage{ragged2e}
-# Stridave barvy radku (from document.org)
+# Stridave barvy radku
 #+LATEX_HEADER: \AtBeginEnvironment{tabular}{\rowcolors{1}{tableOdd}{tableEven}}
 
-# -- Code bloky (from document.org, smaller for slides) ------------------------
+#+LATEX_HEADER: \let\orgoldtabular\tabular
+#+LATEX_HEADER: \let\orgendoldtabular\endtabular
+#+LATEX_HEADER: \renewenvironment{tabular}[1]{%
+#+LATEX_HEADER:   \begin{adjustbox}{max width=\linewidth}%
+#+LATEX_HEADER:   \small%
+#+LATEX_HEADER:   \setlength{\tabcolsep}{3pt}%
+#+LATEX_HEADER:   \renewcommand{\arraystretch}{1.1}%
+#+LATEX_HEADER:   \orgoldtabular{#1}%
+#+LATEX_HEADER: }{%
+#+LATEX_HEADER:   \orgendoldtabular%
+#+LATEX_HEADER:   \end{adjustbox}%
+#+LATEX_HEADER: }
+
+# -- Hyperlinks ----------------------------------------------------------------
+#+LATEX_HEADER: \usepackage{hyperref}
+#+LATEX_HEADER: \hypersetup{colorlinks=true,linkcolor=kyndrylRed,urlcolor=kyndrylRed,citecolor=kyndrylRed}
+
+# -- Code blocks ---------------------------------------------------------------
 #+LATEX_HEADER: \usepackage{listings}
 #+LATEX_HEADER: \lstset{backgroundcolor=\color{tableOdd},basicstyle=\ttfamily\scriptsize,breaklines=true,frame=single}
 
 # ------------------------------------------------------------------------------
 # Obsah prezentace
-# (* = sekce, ** = jednotlive slidy, *** = obsah uvnitr slidu)
+# (* = sekce/logicke skupiny, ** = jednotlive slidy)
 # ------------------------------------------------------------------------------