D19904: Prompt user to save/discard changes upon closing config dialog

[Amish Naidu]

amhndu created this revision.
Herald added a project: Dolphin.
Herald added a subscriber: kfm-devel.
amhndu requested review of this revision.

REVISION SUMMARY
  When the configuration dialog is closed with unsaved changes,
  a message box is prompted to save/discard them or cancel the event.

REPOSITORY
  R318 Dolphin

BRANCH
  dialog-prompt

REVISION DETAIL
  https://phabricator.kde.org/D19904

AFFECTED FILES
  src/settings/dolphinsettingsdialog.cpp
  src/settings/dolphinsettingsdialog.h

To: amhndu
Cc: kfm-devel, alexde, feverfew, spoorun, navarromorales, firef, andrebarros, emmanuelp, mikesomov
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