STYLE.sty

\ProvidesPackage{STYLE}
\renewcommand{\familydefault}{\sfdefault}

\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsthm}

\usepackage{mathrsfs}
\usepackage{tabu}
\usepackage[makeroom]{cancel}

\usepackage{tikz,pgf,pgfplots, tkz-tab}
\usetikzlibrary{arrows}
\usepackage{wrapfig}

\usepackage[ngerman]{babel}
\usepackage[mathletters]{ucs}
\usepackage[utf8x]{inputenc}
\usepackage{fontawesome}

\usepackage{xcolor}
\usepackage{mdframed}
\usepackage{fancyhdr}
\usepackage[margin=2cm]{geometry}
\usepackage{listings}                             %Für Pseudocode/Code...
\usepackage{esvect}

\usepackage{epigraph}
\usepackage{tocloft,titletoc,titlesec}
\usepackage{xifthen}
\pgfplotsset{compat=1.16}


\usepackage{hyperref}
\hypersetup{
    colorlinks=false,
    frenchlinks=true,
}

\usepackage{emptypage}

\linespread{1.1}
\setlength{\parindent}{0pt}
\definecolor{bblue}{RGB}{32,64,123}   %Blau
\definecolor{ggreen}{rgb}{0.09, 0.45, 0.27}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Für Kopf- und Fußzeilen:
\pagestyle{fancy}
\fancyhf{}
\fancyhead[LO]{\nouppercase{\leftmark}}
\fancyhead[RE]{\nouppercase{\rightmark}}
\fancyfoot[C]{\thepage}



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Zähler für die nachfolgenden Environments
\newcounter{theorem_counter}[section]
\newcommand{\thetheorem}{\arabic{chapter}.\arabic{section}.\arabic{theorem_counter}}
\newcounter{Korollar_counter}

\newcounter{definition_counter}[section]%\setcounter{definition_counter}{0}
\newcommand{\thedefinition}{\arabic{chapter}.\arabic{section}.\arabic{definition_counter}}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Eigene Environments:
\mdfdefinestyle{envstyle}{
  skipabove=.4\baselineskip,
  hidealllines = true,
  nobreak=false,
  shadow = true,
  shadowsize = 1pt,
  shadowcolor = black!10
  }






\newenvironment{Theorem}[1][]{
  %if no title:
  \ifstrempty{#1}{
    \mdfsetup{frametitle={\textcolor{white}{Theorem \thetheorem}}}
  }{%else
    \mdfsetup{frametitle={\textcolor{white}{Theorem \thetheorem: ~#1}}}
  }
  \stepcounter{theorem_counter}
  \setcounter{Korollar_counter}{0}
  \mdfsetup{
    style = envstyle,
    backgroundcolor=bblue!5!white,
    frametitlebackgroundcolor = bblue,
  }
  \begin{mdframed}[]\relax
}%content
{
  \end{mdframed}
}


\newenvironment{Korollar}[1][]{
  %if no title:
  \ifstrempty{#1}{
    \mdfsetup{frametitle={\textcolor{white}{Korollar \thetheorem \, (\arabic{Korollar_counter})}}}
  }{%else
    \mdfsetup{frametitle={\textcolor{white}{Korollar \thetheorem \, (\arabic{Korollar_counter}): ~#1}}}
  }
  \stepcounter{Korollar_counter}
  \mdfsetup{
    style = envstyle,
    backgroundcolor=bblue!5!white,
    frametitlebackgroundcolor = bblue,
  }
  \begin{mdframed}[]\relax
}%content
{
  \end{mdframed}
}


\newenvironment{GTR-Tipp}[1][]{
  %if no title:
  \ifstrempty{#1}{
    \mdfsetup{frametitle={\textcolor{white}{GTR-Tipp}}}
  }{%else
    \mdfsetup{frametitle={\textcolor{white}{GTR-Tipp: ~#1}}}
  }
  \mdfsetup{
    style = envstyle,
    backgroundcolor=ggreen!5!white,
    frametitlebackgroundcolor = ggreen,
  }
  \begin{mdframed}[]\relax
}%content
{
  \end{mdframed}
}


\newenvironment{Definition}[1][]{
  %if no title:
  \ifstrempty{#1}{
    \mdfsetup{frametitle={\textcolor{white}{Definition \thedefinition}}}
  }{%else
    \mdfsetup{frametitle={\textcolor{white}{Definition \thedefinition: ~#1}}}
  }
  \stepcounter{definition_counter}
  \mdfsetup{
    style = envstyle,
    backgroundcolor=red!5!white,
    frametitlebackgroundcolor = red,
  }
  \begin{mdframed}[]\relax
}%content
{
  \end{mdframed}
}


\newenvironment{Beweis}[1][]{
  \ifstrempty{#1}{
    \mdfsetup{frametitle={Beweis:}}
  }{%else
    \mdfsetup{frametitle={Beweis - ~#1:}}
  }
  \mdfsetup{
    style = envstyle,
    linewidth = 14 pt,
    linecolor = bblue,
    frametitlebackgroundcolor = bblue!5!white,
    backgroundcolor = bblue!5!white,
    leftline = true,
    innerleftmargin = 1 em,% Distanz zwischen vertikaler Strich & Inhalt
  }
  \begin{mdframed}[]\relax
}%content
{
  \qed
  \end{mdframed}
}


\newenvironment{Beispiel}[1][]{
  %if no title:
  \ifstrempty{#1}{
    \mdfsetup{frametitle={Beispiel:}}
  }{%else
    \mdfsetup{frametitle={Beispiel - ~#1:}}
  }
  \mdfsetup{
  style = envstyle,
  linewidth = 14 pt,
  linecolor = gray,
  frametitlebackgroundcolor = gray!5!white,
  backgroundcolor = gray!5!white,
  leftline = true,
  innerleftmargin = 1 em,% Distanz zwischen vertikaler Strich & Inhalt
  }
  \begin{mdframed}[]\relax
}%content
{
  \end{mdframed}
}


\newenvironment{Bemerkung}[1][]{
  %if no title:
  \ifstrempty{#1}{
    \mdfsetup{frametitle={Bemerkung:}}
  }{%else
    \mdfsetup{frametitle={Bemerkung - ~#1:}}
  }
  \mdfsetup{
  style = envstyle,
  linewidth = 14 pt,
  linecolor = gray!50!white,
  frametitlebackgroundcolor = gray!5!white,
  backgroundcolor = gray!5!white,
  leftline = true,
  innerleftmargin = 1 em,% Distanz zwischen vertikaler Strich & Inhalt
  }
  \begin{mdframed}[]\relax
}%content
{
  \end{mdframed}
}


%Codebox, aufrufbar mit \begin{lstlisting}[Name_der_Sprache]
\definecolor{dkgreen}{rgb}{0,0.6,0}
\definecolor{gray}{rgb}{0.5,0.5,0.5}
\definecolor{mauve}{rgb}{0.58,0,0.82}
\lstset{
  backgroundcolor = \color{lightgray},
  frame=tb,
  aboveskip=3mm,
  belowskip=3mm,
  showstringspaces=false,
  columns=flexible,
  basicstyle={\small\ttfamily},
  %numbers=false,
  numberstyle=\tiny\color{gray},
  keywordstyle=\color{blue},
  commentstyle=\color{dkgreen},
  stringstyle=\color{mauve},
  breaklines=true,
  breakatwhitespace=true,
  tabsize=3,
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Eigene Shortcuts
%Zahlenmengen-darstellung:
\newcommand{\N}{\mathbb{N}}
\newcommand{\Q}{\mathbb{Q}}
\newcommand{\Z}{\mathbb{Z}}
\newcommand{\R}{\mathbb{R}}
\newcommand{\C}{\mathbb{C}}

\newcommand{\adabs}{A\hspace{-1em}A}
\newcommand{\A}{\;\forall}
\newcommand{\E}{\;\exists}
\def\checkmark{\tikz\fill[scale=0.4,color=olive](0,.35) -- (.25,0) -- (1,.7) -- (.25,.15) -- cycle;}
\def\lightning{\,\text{\faBolt}}
\newcommand{\limn}{\lim \limits_{n \to \infty}}
\newcommand{\limx}{\lim \limits_{x \to x_0}}
\newcommand{\limh}{\lim \limits_{h \to 0}}

\renewcommand{\leq}{\leqslant}
\renewcommand{\geq}{\geqslant}

\newcommand\danger{
  {\color{red}ACHTUNG: }
}

\newcommand{\zz}{\mathrm{Z\kern-.3em\raise-0.5ex\hbox{Z}}}

\newcommand{\diff}[2]{
  \dfrac{\text{d} #1}{\text{d} #2}
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Kapitel-Titel
\def\thickhrulefill{\leavevmode \leaders \hrule height 1.2ex \hfill \kern \z@}
\def\@makechapterhead#1{
  \vspace*{9\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill\quad
        \huge\scshape\bfseries\textit{\@chapapp{}  \thechapter}\normalsize
        \quad \thickhrulefill
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1 \par\nobreak
        \par
        \vspace*{10\p@}%
        \hrule
  }
  \vskip 50\p@}


\newcommand{\chapterauthor}[1]{%
  {\parindent0pt\vspace*{-45pt}%
  \begin{flushright}
    \linespread{1.1} by \scshape#1%
  \end{flushright}
  \par\nobreak\vspace*{35pt}}
  \@afterheading%
}




%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Für den Titel:
\renewcommand\epigraphflush{flushright}
\renewcommand\epigraphsize{\normalsize}
\setlength\epigraphwidth{0.7\textwidth}
\DeclareFixedFont{\titlefont}{T1}{ppl}{b}{it}{0.5in}
\makeatletter
\def\printauthor{%
    {\large \@author}}
\makeatother
\author{%
    Clara Schaefer\\
    Pascal Borel\\
    Bruno Gelfort\\
    Rémy Moll \\
    [0,3cm]
    \textbf{1e und Te (2017-2019)}
    }

\newcommand\titlepagedecoration{%
\begin{tikzpicture}[remember picture,overlay,shorten >= -10pt]
\coordinate (aux1) at ([yshift=-15pt]current page.north east);
\coordinate (aux2) at ([yshift=-410pt]current page.north east);
\coordinate (aux3) at ([xshift=-4.5cm]current page.north east);
\coordinate (aux4) at ([yshift=-150pt]current page.north east);
\begin{scope}[bblue!50,line width=12pt,rounded corners=12pt]
\draw
  (aux1) -- coordinate (a)
  ++(225:5) --
  ++(-45:5.1) coordinate (b);
\draw[shorten <= -10pt]
  (aux3) --
  (a) --
  (aux1);
\draw[opacity=0.6,bblue,shorten <= -10pt]
  (b) --
  ++(225:2.2) --
  ++(-45:2.2);
\end{scope}
\draw[bblue,line width=8pt,rounded corners=8pt,shorten <= -10pt]
  (aux4) --
  ++(225:0.8) --
  ++(-45:0.8);
\begin{scope}[bblue!70,line width=6pt,rounded corners=8pt]
\draw[shorten <= -10pt]
  (aux2) --
  ++(225:3) coordinate[pos=0.45] (c) --
  ++(-45:3.1);
\draw
  (aux2) --
  (c) --
  ++(135:2.5) --
  ++(45:2.5) --
  ++(-45:2.5) coordinate[pos=0.3] (d);
\draw
  (d) -- +(45:1);
\end{scope}
\end{tikzpicture}%
}

\newenvironment{Titelseite}
{
  \begin{titlepage}
  	\begin{center}
  		\hfill  \\
  		[3,5cm]
}
{
  \end{center}
  \epigraph{Mach' dir keine Sorgen wegen deiner Schwierigkeiten mit der Mathematik. Ich kann dir versichern, daß meine noch größer sind.}
  {\textit{Brief an ein Schulmädchen, 1943}\\ \textsc{Albert Einstein}}
  \null\vfill
  \vspace*{1cm}
  \noindent
  \hfill
  \begin{minipage}{0.35\linewidth}
      \begin{flushright}
          \printauthor
      \end{flushright}
  \end{minipage}
  %
  \begin{minipage}{0.02\linewidth}
      \rule{1pt}{75pt}
  \end{minipage}
  \titlepagedecoration
  \begin{center}
    \small{\today}

    %\textcolor{bblue}{\includegraphics{../../ETHL}}

  \end{center}
  \end{titlepage}
}


%%===========================================================================%%%
%Fürs Inhaltsverzeichnis:
%\contentsmargin{0cm}
\titlecontents{chapter}[0pc]
{\addvspace{40pt}
\begin{tikzpicture}[remember picture, overlay]%
\draw[fill=bblue,draw=bblue, rounded corners] (-4,-.1) rectangle (.5,.5);
\pgftext[left,x=-1.8cm,y=0.2cm]{\color{white}\Large \chaptertitlename \,\thecontentslabel};
\end{tikzpicture}\hspace{1cm}\color{bblue}\large\bfseries}
{}
{}
{\hspace*{20pt}\hrulefill\hspace*{20pt}\large\bfseries \thecontentspage}%\hspace*{20pt}\rule{1cm}{0.3pt}}%
[\addvspace{5pt}]