Created attachment 210722 [details] [review]
entry-completion: don't subtract entry borders from popup allocation

The completion popup should be aligned with the GtkEntry allocation, not
less than that.

Created attachment 210723 [details] [review]
entry-completion: set size request on the toplevel window

Instead of setting it on the child scrolled window. This is needed
because the whole window's allocation must be equal to the one of the
entry (in case the popup-set-width property is TRUE); if we set the size
request on a children of the window, there might be other children with
borders/paddings in between the toplevel and the child we set the size
request too, which will break alignment.

Created attachment 210725 [details]
web completion with the patch applied

Created attachment 210726 [details]
web completion with no patch

Created attachment 210727 [details]
web completion with the patch applied

Sorry for the noise, I mixed up the screenshots

Review of attachment 210723 [details] [review]:

makes sense

Review of attachment 210722 [details] [review]:

ok

Attachment 210722 [details] pushed as 644070b - entry-completion: don't subtract entry borders from popup allocation
Attachment 210723 [details] pushed as 5a8e2b5 - entry-completion: set size request on the toplevel window