gtk - The API applets can make such a bubble popup -

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the api applets can make such bubble popup. how make own, contents fill complex layout elements gtk ui xml or html , css?

it's more complicated simple vertical menu.

http://x3.cdn03.imgwykop.pl/c3201142/comment_oh6nxpi5xo0hui1d1hnyevxkvyi32moa.jpg

in documentation can't find solution.

the class want gtkpopover. available starting gtk+ 3.12.


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