D7818: Fix issue of pressing back-button always leading to closing the app instead of handling the event depending on different scenarios

[Sanjiban Bairagya]

sanjibanb created this revision.
sanjibanb added a project: Marble.

REVISION SUMMARY
All the code logic that has been written under the onClosing: scope is not even considered, if we use Kirigami.ApplicationWindow . Using Kirigami.AbstractApplicationWindow instead to fix the same.

REPOSITORY
R34 Marble

REVISION DETAIL
https://phabricator.kde.org/D7818

AFFECTED FILES
src/apps/marble-maps/MainScreen.qml

To: sanjibanb, #marble
Cc: #marble, jalvarez, tjakobi, mnafees, shentey, chaz6, dkolozsvari, cmihalache, rahn, nienhueser, marble-devel