\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{PotatoCodes}
\pdfinfo{
  /Title (slack.pdf)
  /Creator (Cheatography)
  /Author (PotatoCodes)
  /Subject (Slack Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{82B588}
\definecolor{LightBackground}{HTML}{F7FAF7}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Slack Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{PotatoCodes} via \textcolor{DarkBackground}{\uline{cheatography.com/205795/cs/44015/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}PotatoCodes \\
  \uline{cheatography.com/potatocodes} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 3rd August, 2024.\\
   Updated 3rd August, 2024.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{5.12 cm} x{2.88 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Basics}}  \tn
% Row 0
\SetRowColor{LightBackground}
Compose a new message & Ctrl + N \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Unsend a message & Ctrl + Z \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Set your status & Ctrl + Shift + Y \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
Open your preferences** & Ctrl + , \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Show or hide the left sidebar** & Ctrl + Shift + D \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
Resize the left sidebar\textdagger{} & left or right arrow \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Hide the right sidebar & Ctrl + . \tn 
% Row Count 10 (+ 1)
% Row 7
\SetRowColor{white}
Create a new canvas & Ctrl + Shift + N \tn 
% Row Count 12 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Upload a file & Ctrl + U \tn 
% Row Count 13 (+ 1)
% Row 9
\SetRowColor{white}
View all downloaded files & Ctrl + Shift + J \tn 
% Row Count 15 (+ 2)
% Row 10
\SetRowColor{LightBackground}
Create a new snippet & Ctrl + Shift + Enter \tn 
% Row Count 17 (+ 2)
% Row 11
\SetRowColor{white}
Add an emoji reaction to a message* & Ctrl + Shift + \textbackslash{} \tn 
% Row Count 19 (+ 2)
% Row 12
\SetRowColor{LightBackground}
Start a search & Ctrl + G \tn 
% Row Count 20 (+ 1)
% Row 13
\SetRowColor{white}
Search in the current conversation & Ctrl + F \tn 
% Row Count 22 (+ 2)
% Row 14
\SetRowColor{LightBackground}
Start, join, leave or end a huddle & Ctrl + Shift + H \tn 
% Row Count 24 (+ 2)
% Row 15
\SetRowColor{white}
Toggle mute on a huddle & Ctrl + Shift + Space \tn 
% Row Count 26 (+ 2)
% Row 16
\SetRowColor{LightBackground}
Toggle full-screen view & F11 \tn 
% Row Count 27 (+ 1)
% Row 17
\SetRowColor{white}
Reopen last closed window & Ctrl + Shift + W \tn 
% Row Count 29 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.2 cm} x{2.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Navigate Conversations}}  \tn
% Row 0
\SetRowColor{LightBackground}
Jump to a conversation & Ctrl + K or Ctrl + T \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Jump to the most recent unread message in a conversation & Ctrl + J \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Jump to previous unread channel or direct message (DM) & Alt + Shift + Up \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
Jump to next unread channel or DM & Alt + Shift + Down \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Jump to previous channel or DM in the sidebar & Alt + Up \tn 
% Row Count 12 (+ 2)
% Row 5
\SetRowColor{white}
Jump to next channel or DM in the sidebar & Alt + Down \tn 
% Row Count 14 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Go back in history & Alt + Left \tn 
% Row Count 15 (+ 1)
% Row 7
\SetRowColor{white}
Go forwards in history & Alt + Right \tn 
% Row Count 16 (+ 1)
% Row 8
\SetRowColor{LightBackground}
Open the Home view & Ctrl + Shift + 1 \tn 
% Row Count 18 (+ 2)
% Row 9
\SetRowColor{white}
Browse DMs & Ctrl + Shift + 2(or K) \tn 
% Row Count 20 (+ 2)
% Row 10
\SetRowColor{LightBackground}
Open the Activity view** & Ctrl + Shift + 3(or M) \tn 
% Row Count 22 (+ 2)
% Row 11
\SetRowColor{white}
View items in Later & Ctrl + Shift + 4(or O) \tn 
% Row Count 24 (+ 2)
% Row 12
\SetRowColor{LightBackground}
Open the More view & Ctrl + Shift + O \tn 
% Row Count 26 (+ 2)
% Row 13
\SetRowColor{white}
Open the Threads view** & Ctrl + Shift + T \tn 
% Row Count 28 (+ 2)
% Row 14
\SetRowColor{LightBackground}
Browse channels** & Ctrl + Shift + L \tn 
% Row Count 30 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{5.2 cm} x{2.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Navigate Conversations (cont)}}  \tn
% Row 15
\SetRowColor{LightBackground}
Open conversation details & Ctrl + Shift + I \tn 
% Row Count 2 (+ 2)
% Row 16
\SetRowColor{white}
Open a conversation's canvas & Ctrl + Alt + . \tn 
% Row Count 4 (+ 2)
% Row 17
\SetRowColor{LightBackground}
Move focus to the next section & F6 \tn 
% Row Count 6 (+ 2)
% Row 18
\SetRowColor{white}
Move focus to the previous section & Shift + F6 \tn 
% Row Count 8 (+ 2)
% Row 19
\SetRowColor{LightBackground}
Expand or collapse all sidebar sections & Alt + Click \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{6.24 cm} x{1.76 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Mark Message Read/Unread}}  \tn
% Row 0
\SetRowColor{LightBackground}
Mark all messages in current conversation as read & Esc \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Mark all messages as read & Shift + Esc \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Mark a message as unread & Alt + Click \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.52 cm} x{2.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Navigate Unread}}  \tn
% Row 0
\SetRowColor{LightBackground}
Open the All unread view & Ctrl + Shift + A \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Move between messages & Up or Down \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Mark a message as unread & Alt + Click \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Mark a group of messages as unread & Esc \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Open or collapse a group of messages & Left or Right \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.52 cm} x{2.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Switch Wrokspaces}}  \tn
% Row 0
\SetRowColor{LightBackground}
Expand or collapse the workspace switcher & Ctrl + Shift + S \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Switch to previous workspace & Ctrl + Shift + Tab \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Switch to next workspace & Ctrl + Tab \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
Switch to a specific workspace & Ctrl + {[}number{]} \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.92 cm} x{2.08 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Switch Tabs}}  \tn
% Row 0
\SetRowColor{LightBackground}
Switch to the previous tab & Page Up \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Switch to the next tab & Page Down \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{6.4 cm} x{1.6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Actions on Messages}}  \tn
% Row 0
\SetRowColor{LightBackground}
Edit a message that you sent & Esc \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Delete a message that you sent & Delete \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Open or reply to a thread & T or Right \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
Forward a message & F \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Pin or unpin a message & P \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
Save a message (or remove a message from Later) & A \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Mark all messages above the one in focus as unread & U \tn 
% Row Count 10 (+ 2)
% Row 7
\SetRowColor{white}
Create a reminder about a message & M \tn 
% Row Count 12 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Add an emoji reaction to a message & R \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.2 cm} x{2.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Format Messages}}  \tn
% Row 0
\SetRowColor{LightBackground}
Select text to beginning of current line & Shift + Up \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Select text to end of current line & Shift + Down \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Create a new line & Shift + Enter \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
Bold selected text & Ctrl + B \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Italicise selected text & Ctrl + I \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
Cross out selected text (strikethrough) & Ctrl + Shift + X \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Hyperlink selected text & Ctrl + Shift + U \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
Quote selected text & Ctrl + Shift + 9 \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Code selected text & Ctrl + Shift + C \tn 
% Row Count 15 (+ 2)
% Row 9
\SetRowColor{white}
Codeblock selected text & Ctrl + Alt + Shift + C \tn 
% Row Count 17 (+ 2)
% Row 10
\SetRowColor{LightBackground}
Format selected text as a bulleted list & Ctrl + Shift + 8 \tn 
% Row Count 19 (+ 2)
% Row 11
\SetRowColor{white}
Format selected text as a numbered list & Ctrl + Shift + 7 \tn 
% Row Count 21 (+ 2)
% Row 12
\SetRowColor{LightBackground}
Apply markdown formatting & Ctrl + Shift + F \tn 
% Row Count 23 (+ 2)
% Row 13
\SetRowColor{white}
Undo formatting & Ctrl + Z \tn 
% Row Count 24 (+ 1)
% Row 14
\SetRowColor{LightBackground}
Add an emoji reaction to a message* & Ctrl + Shift + \textbackslash{} \tn 
% Row Count 26 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}