Just for info, a similar bug report exists on bugs.kde, with some hints on how to fix the annoying behavior:
https://bugs.kde.org/show_bug.cgi?id=292544 ric -- To UNSUBSCRIBE, email to debian-qt-kde-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1927231.rIdamGzdDv@ipht-ia-004976