D19511: ViewPrivate: Disable read-only mode action when doc is modified

[loh tar]

loh.tar created this revision.
loh.tar added a reviewer: KTextEditor.
Herald added projects: Kate, Frameworks.
Herald added subscribers: kde-frameworks-devel, kwrite-devel.
loh.tar requested review of this revision.

REVISION SUMMARY
  It's somehow pointless to activate the read-only mode when the document
  is already modified. However, after an save event becomes the action
  available again.

REPOSITORY
  R39 KTextEditor

REVISION DETAIL
  https://phabricator.kde.org/D19511

AFFECTED FILES
  src/view/kateview.cpp

To: loh.tar, #ktexteditor
Cc: kwrite-devel, kde-frameworks-devel, #ktexteditor, domson, michaelh, ngraham, bruns, demsking, cullmann, sars, dhaumann
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