Exemples avec$\LaTeX$

Des infobulles dans un  pdf  $\LaTeX$!!
Avec  package ocg , tester sur TeXstudio avec distribution Miktex.

\documentclass[a4paper,12pt]{article}
\usepackage[french]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% tooltips avec LaTeX
%
% Optimisé pour Adobe Reader (Visible sur la souris)
%     usage: \tooltip[<Couleur du lien>]{<Texte de lien>}[<Couleur de la boîte>]{<Texte de la pointe>}
%   Version non-draggable:
%     usage: \tooltip*[<Couleur du lien>]{<Texte de lien>}[<Couleur de la boîte>]{<Texte de la pointe>}
%
% Pour Evince (visible sur clic, non draggable)
%   usage: \tooltip**[<Couleur du lien>]{<Texte de lien>}[<Couleur de la boîte>]{<Texte de la pointe>}
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{xparse,pdfbase,ocgbase}
\usepackage{xcolor,calc}
\usepackage{tikzpagenodes}
\usetikzlibrary{calc}

\ExplSyntaxOn
\let\tpPdfLink\pbs_pdflink:nn
\let\tpPdfAnnot\pbs_pdfannot:nnnn\let\tpPdfLastAnn\pbs_pdflastann:
\let\tpAppendToFields\pbs_appendtofields:n
\def\tpPdfXform{\pbs_pdfxform:nnn{1}{1}}
\let\tpPdfLastXform\pbs_pdflastxform:
\ExplSyntaxOff

\makeatletter
\NewDocumentCommand{\tooltip}{ssO{blue}mO{yellow!20}m}{{%
  \leavevmode%
  \IfBooleanT{#1}{%
    \ocgbase@new@ocg{tipOCG.\thetcnt}{%
      /Print<</PrintState/OFF>>/Export<</ExportState/OFF>>%
    }{false}%
    \xdef\tpTipOcg{\ocgbase@last@ocg}%
  }%
  \tpPdfLink{%
    \IfBooleanTF{#2}{%
      /Subtype/Link/Border [0 0 0]/A <</S/SetOCGState/State [/Toggle \tpTipOcg]>>
    }{%
      /Subtype/Screen%
      \IfBooleanTF{#1}{%
        /AA<<%
          /E<</S/SetOCGState/State [/ON \tpTipOcg]>>%
          /X<</S/SetOCGState/State [/OFF \tpTipOcg]>>%
        >>%
      }{
        /AA<<%
          /E<</S/JavaScript/JS(%
            var fd=this.getField('tip.\thetcnt');%
            \IfBooleanF{#1}{%
              if(typeof(click\thetcnt)=='undefined'){%
                var click\thetcnt=false;%
                var fdor\thetcnt=fd.rect;var dragging\thetcnt=false;%
              }%
            }%
            if(fd.display==display.hidden){%
              fd.delay=true;fd.display=display.visible;fd.delay=false;%
            }%
           this.dirty=false;%
          )>>%
          /X<</S/JavaScript/JS(%
            if(!click\thetcnt&&!dragging\thetcnt){fd.display=display.hidden;}%
            if(!dragging\thetcnt){click\thetcnt=false;}%
            this.dirty=false;%
          )>>%
          /U<</S/JavaScript/JS(click\thetcnt=true;this.dirty=false;)>>%
          /PC<</S/JavaScript/JS (%
            var fd=this.getField('tip.\thetcnt');%
            try{fd.rect=fdor\thetcnt;}catch(e){}%
            fd.display=display.hidden;this.dirty=false;%
          )>>%
          /PO<</S/JavaScript/JS(this.dirty=false;)>>%
        >>%
      }
    }%
  }{{\color{#3}#4}}%
  \sbox\tiptext{\fcolorbox{black}{#5}{#6}}%
  \edef\twd{\the\wd\tiptext}%
  \edef\tht{\the\ht\tiptext}%
  \edef\tdp{\the\dp\tiptext}%
  \measureremainder{\whatsleft}\tipshift=0pt%
  \ifdim\whatsleft<\twd\setlength\tipshift{\whatsleft-\twd}\fi%
  \tpPdfXform{\tiptext}%
  \raisebox{\heightof{#4}+\tdp}[0pt][0pt]{\makebox[0pt][l]{\hspace{\tipshift}%
    \tpPdfAnnot{\twd}{\tht}{\tdp}{%
      /Subtype/Widget/FT/Btn/T (tip.\thetcnt)%
      /AP<</N \tpPdfLastXform>>%
      /MK<</TP 1/I \tpPdfLastXform/IF<</S/A/FB true/A [0.0 0.0]>>>>%
      \IfBooleanTF{#1}{%
        /Ff 65537/OC \tpTipOcg%
      }{%
        /Ff 65536/F 3%
        /AA <<%
          /U <<%
            /S/JavaScript/JS(%
              var fd=event.target;%
              var mX=this.mouseX;var mY=this.mouseY;%
              var drag=function(){%
                var nX=this.mouseX;var nY=this.mouseY;%
                var dX=nX-mX;var dY=nY-mY;%
                var fdr=fd.rect;%
                fdr[0]+=dX;fdr[1]+=dY;fdr[2]+=dX;fdr[3]+=dY;%
                fd.rect=fdr;mX=nX;mY=nY;%
              };%
              if(!dragging\thetcnt){%
                dragging\thetcnt=true;Int=app.setInterval("drag()",1);%
              }%
              else{app.clearInterval(Int);dragging\thetcnt=false;}%
              this.dirty=false;%
            )%
          >>%
        >>%
      }%
    }%
    \tpAppendToFields{\tpPdfLastAnn}%
  }}%
  \stepcounter{tcnt}%
}}
\makeatother
\newsavebox\tiptext\newcounter{tcnt}
\newlength{\whatsleft}\newlength{\tipshift}
\newcommand{\measureremainder}[1]{%
  \begin{tikzpicture}[overlay,remember picture]
    \path let \p0 = (0,0), \p1 = (current page.east) in
      [/utils/exec={\pgfmathsetlength#1{\x1-\x0}\global#1=#1}];
  \end{tikzpicture}%
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\begin{document}\Huge
 La \tooltip**{formule}{$E=m c^2$} d'Einstein est bien connue.
 Une autre formule célèbre : \\ est due à \tooltip**{Pythagore} {$a^2+b^2=c^2$}.

 Cette \tooltip{tip}[red!60]{est visible uniquement dans AR} est déplaçable et affichée sur la souris.
\end{document}