I have a web page that displays a list of PDFs in chromium (chromium is always on workspace 2). When I click on a pdf link, it opens it in okular (always workspace 1). When I click another pdf, it opens a new instance of okular, instead of opening it in a new tab. How do I tell it okular is already open and should open the new pdf in a new tab, instead of starting another window of okular?
I have already configured okular to open new PDFs in new tabs. When I have the web page and okular open in the same workspace, it behaves by opening new PDFs in new tabs, how I want it to.
Edit: I forgot to mention I am using i3 wm as my window manager.