D22543: [LNF KCM] make it possible to close the preview

[Nathaniel Graham]

ngraham added a comment.


  Alt-F4 works of course, but for me, without this patch none of the other methods of closing it work. Could it be a Qt regression? I notice that this patch is required on my Qt 5.13 machine, but in my Qt 5.12.3-using VM, the existing code works without this patch.

REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D22543

To: ngraham, #plasma, apol
Cc: broulik, plasma-devel, LeGast00n, jraleigh, fbampaloukas, GB_2, ragreen, Pitel, ZrenBot, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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