Qt apps are not required to have any Close button as part of the dialog UI, even the standard builtin ones like Print Preview (http://doc.qt.io/qt-5/qprintpreviewdialog.html).
We need a way to close such a window (dialog), without resorting to fixing hundreds of apps themselves. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1668053 Title: [unity8] kate, impossible to close "Print Preview" window Status in Canonical System Image: New Status in Mir: Incomplete Status in Ubuntu UX: New Status in qtmir package in Ubuntu: Confirmed Status in qtubuntu package in Ubuntu: Confirmed Status in unity8 package in Ubuntu: In Progress Bug description: ubuntu 17.04 Unity 8 [unity8] kate, impossible to close "Print Preview" window see attached screenshot Print Preview window doesn't have windows controls or a close button Launch Kate, from the menu File > Print Preview try to close the window, you can't because doh To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1668053/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp

