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I once saw a maths journal which offered PDFs of published papers, where the bibliographic references were formatted as PDF annotations: if you moused over a reference in the text, the bibliography entry would appear in a pop-up window, without having to jump to the end of the file and inevitably have to spend ages re-finding where you were in the text.
Does anyone know of a way of producing this effect automatically using BibTeX?
Pop-up annotations can be made using the pdfcomment package, but I haven't seen an automatic way yet. But you could redefine a cite macro to use, for instance, \pdfmarkupcomment for the output.
\cite command is easy: \let\oldcite\cite \renewcommand{\cite}[1]{\pdfcomment{whatever the right syntax is}\oldcite{#1}}. Use # inside the \pdfcomment bit to get the label. (Note: this doesn't do quite everything because you'd need to load the bibliography entry in to that argument. That's a little more complicated.)
Aug 3, 2010 at 17:49
bibentry package.
Non-answers that help even if you don't have the source code available:
Some PDF viewers display hyperlink popups automatically; at least Skim.app does that. You don't need to do anything in Latex; just use hyperref as usual and open the document in Skim.
Most modern PDF viewers have a "back" button, just like a web browser. For example, if you click a hyperlink in Preview.app (built-in PDF viewer in Mac OS X), you can go back to where you were by pressing cmd-[.
You can use fancy preview:
Showing the bibliographic entry in a popup when you hover over the citation key
And refer to the following webiste for the details and requirements
http://user.mendelu.cz/marik/fancy-preview/
(I would've put this in a comment but I don't have enough reputation)
There is cooltooltips package that does what you need..
