Review Request 127944: KDE Platform Theme: set file dialog overwrite option appropriately for saving

[Martin Gräßlin]

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The change looks sensible to me, but I would appreciate a test case for it. There are already some tests for the file dialog, so it should be easy to extend.

- Martin Gräßlin


On May 17, 2016, 3:29 p.m., Jonathan Marten wrote:
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> https://git.reviewboard.kde.org/r/127944/
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> (Updated May 17, 2016, 3:29 p.m.)
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> Review request for kde-workspace and Plasma.
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> Bugs: 360666
>     https://bugs.kde.org/show_bug.cgi?id=360666
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> Repository: plasma-integration
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> Description
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> The referenced bug says that, by default, there is no file overwrite check when using QFileDialog to save a file.  Indeed, on closer investigating it appears that there is no way to even explictly force an overwrite check when using the KDE platform theme, because of this code in plasma-integration/src/platformtheme/kdeplatformfiledialoghelper.cpp:
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>     // overwrite option
>     if (options()->testOption(QFileDialogOptions::FileDialogOption::DontConfirmOverwrite)) {
>         dialog->m_fileWidget->setConfirmOverwrite(false);
>     }
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> The default for KFileWidget is already for no overwrite check (as set in kio/src/filewidgets/kfilewidget.cpp which initialises KFileWidgetPrivate::confirmOverwrite to false).  There is no way to override this from the calling application through the platform plugin.
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> Suggest that the default option should be the same as that defined by Qt for QFileDialog:  always perform an ovewrwrite check on saving, unless the caller has set the QFileDialog::DontConfirmOverwrite option.  This is also a sensible default to have from the user's point of view.  This change does that in the platform theme plugin, for all saving operations.
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> Diffs
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>   src/platformtheme/kdeplatformfiledialoghelper.cpp 139c35d 
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> Diff: https://git.reviewboard.kde.org/r/127944/diff/
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> Testing
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> Built plasma-intergration with this change, confirmed correct operation of file dialogues and that confirmation is requested when overwriting an existing file, unless the QFileDialog::DontConfirmOverwrite option is specified.
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> Thanks,
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> Jonathan Marten
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