D21401: Use native dialog overwrite check

[Méven Car]

meven added a comment.


  In D21401#470121 <https://phabricator.kde.org/D21401#470121>, @ngraham wrote:
  
  > This will work fine for a KDE environment where we know that the file dialog correctly handles the overwrite use case. Do we know that the GTK file dialog does the same for when Kate is run on GNOME, XFCE, or MATE?
  
  
  I believe it will be fine. https://developer.gnome.org/gtk3/stable/GtkFileChooserDialog.html GtkFileChooserDialog has a `gtk_file_chooser_set_do_overwrite_confirmation` (since 2005's gtk 2.8) so I would expect QFileDialog to use this feature.
  So given GNOME, XFCE and MATE uses gtk >= 2.8, I don't foresee an issue on those DE.
  Also bug https://bugreports.qt.io/browse/QTBUG-11539 mentions it works under GNOME at least.
  
  On the QFileDialog side, I wish it would be better documented : https://doc.qt.io/archives/qt-4.8/qfiledialog.html#details mentioned GNOME and KDE but not anymore in qt5 stable documentation https://doc.qt.io/qt-5/qfiledialog.html#details

REPOSITORY
  R39 KTextEditor

BRANCH
  native-overwrite-check

REVISION DETAIL
  https://phabricator.kde.org/D21401

To: meven, ngraham, #frameworks, #kate, cullmann
Cc: cullmann, kwrite-devel, kde-frameworks-devel, domson, michaelh, ngraham, bruns, demsking, sars, dhaumann
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