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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/118269/">https://git.reviewboard.kde.org/r/118269/</a>
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<p style="margin-top: 0;">On June 1st, 2014, 3:01 p.m. UTC, <b>David Faure</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">That makes the setWindow call (as called by konq_operations.cpp) useless, though.
This is related to the line in jobuidelegate.cpp which says
QWidget *widget = job() ? window() : NULL; // ### job is NULL here, most of the time, right?
Clearly we need a better way to pass the QWidget* parent to the askDeleteConfirmation() method, it's not working on either end (because no job).
But the API (JobUiDelegateExtension) is in KIOCore, so no QWindow nor QWidget there.
I think we need to use a member variable in KDialogJobUiDelegate in addition to setting it in KJobWidgets.</pre>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">http://www.davidfaure.fr/2014/kjobwidgets.diff
http://www.davidfaure.fr/2014/kio_jobuidelegate.diff
Seems to work, I get a widget pointer when confirmation dialog pops up.</pre>
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<p>- David</p>
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<p>On May 22nd, 2014, 9:39 p.m. UTC, Frank Reininghaus wrote:</p>
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<div>Review request for KDE Frameworks and David Faure.</div>
<div>By Frank Reininghaus.</div>
<p style="color: grey;"><i>Updated May 22, 2014, 9:39 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://bugs.kde.org/show_bug.cgi?id=334648">334648</a>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
kjobwidgets
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Currently Dolphin (and probably anything else that can delete files using KIO) crashes when it's supposed to show the confirmation dialog.
The problem is that KonqOperations::askDeleteConfirmation() sets up a KIO::JobUiDelegate object which has no associated job, and calls its setWindow(QWidget*) method before calling the actual askDeleteConfirmation() function.
KIO::JobUiDelegate::setWindow(QWidget*) then calls the setWindow function of the base class, KDialogJobUiDelegate::setWindow(QWidget*), which then crashes because it contains the line
Q_ASSERT(job())
and there is no job.
The problem does not exist in KDE SC 4.x - the code went through a big refactoring in
https://git.reviewboard.kde.org/r/111081/
which added the assert.
Just removing the assert won't help because the function then calls
KJobWidgets::setWindow(KJob *job, QWidget *widget)
which dereferences the job, i.e., we get a segfault instead.
This patch removes the assert and wraps the function in an "if (job())" block instead. I'm not entirely sure if that is the correct solution though - any feedback is welcome. Alternatively, one could move the if-check to the child class, i.e., to KIO::JobUiDelegate::setWindow(QWidget*), if this is the only valid use of a KDialogJobUiDelegate without a job.
Or maybe it does not make much sense at all to have the askDeleteConfirmation function, which is probably always called before any job is set up, in a KDialogJobUiDelegate subclass? Changing that would probably require more intrusive changes though.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Fixes the crash for me, and the confirmation dialog works as expected (i.e., the user can choose if the file should really be deleted/trashed or not).</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>src/kdialogjobuidelegate.cpp <span style="color: grey">(fb4c99a)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/118269/diff/" style="margin-left: 3em;">View Diff</a></p>
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