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macOS: Mark QFileDialog::DontConfirmOverwrite as unsupported

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The native NSSavePanel does not have an option corresponding
to DontConfirmOverwrite. Qt has a workaround where
the save-file-name is temporarily given a prefix in
order do bypass the overwrite check, however this has
stopped working on recent versions of macOS. (Confirmed
on macOS 11)

Users who want to use DontConfirmOverwrite should use
Qt’s file dialog instead.

Fixes: QTBUG-39791
Pick-to: 5.15 6.0
Change-Id: Id3b9e6de72c2afc9526c96f1d9fdbce78db92aeb
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This commit is contained in:
Morten Johan Sørvig 2020-12-10 15:20:19 +01:00 committed by Tor Arne Vestbø
parent b2a3389cfe
commit 9cd3ff2bde
1 changed files with 3 additions and 0 deletions
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3
src/widgets/dialogs/qfiledialog.cpp
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@ -226,6 +226,9 @@ Q_GLOBAL_STATIC(QUrl, lastVisitedDir)
\value DontConfirmOverwrite Don't ask for confirmation if an
existing file is selected. By default confirmation is requested.
Note: This opption is not supported on macOS when using the
native file dialog.
\value DontUseNativeDialog Don't use the native file dialog. By
default, the native file dialog is used unless you use a subclass
of QFileDialog that contains the Q_OBJECT macro, or the platform