https://bugs.kde.org/show_bug.cgi?id=404833
Bug ID: 404833
Summary: KDE's platform file dialog embedding
Product: plasma-integration
Version: unspecified
Platform: Compiled Sources
OS: All
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: rjvber...@gmail.com
Target Milestone: ---
SUMMARY
Scribus disables the use of native file dialogs (and thus the KDE platform file
dialog) because of https://bugs.scribus.net/view.php?id=11996.
At first glance it seems that this is "simply" due to the fact that Scribus
wants to embed the QFileDialog instance, i.e. use it as a widget in a dialog
that gets other widgets as well.
I'm not aware of any other non-KDE application that does this sort of thing so
cannot judge whether or not Scribus has a less-obvious bug in its embedding
approach, but if it doesn't there's a glitch elsewhere that breaks the
assumption that the KDE platform dialog is a transparent extension to (or
replacement of) QFileDialog.
STEPS TO REPRODUCE
1. rebuild Scribus without disallowing native file dialogs
(https://bugs.scribus.net/file_download.php?file_id=10351&type=bug)
2. run it
3. in the startup-wizard, go to the "open existing file" tab, or cancel the
wizard and invoke "Open file"
4. move the resulting file dialog
OBSERVED RESULT
Under X11, Scribus's own dialog window that should have held the file dialog
widget appears behind the KDE file dialog. In regular "open file mode" there
will be a preview option in that dialog, which fails to show any previews
(presumably because no QFileDialog::currentChanged signal is delivered).
(If you do this on Mac with the same KDE file dialog implementation, the dialog
will actually open and remain stuck behind the Scribus dialog)
EXPECTED RESULT
The KDE file dialog behaves exactly as the QFileDialog would, and gets embedded
in the Scribus dialog. External preview mechanisms continue to work (this may
be a different bug in the slot/signal magic).
SOFTWARE/OS VERSIONS
Tested (by me) with a 5.14.90 plasma-integration build on Linux, and a
corresponding implementation of my own osx-integration plugin on Mac.
KDE Frameworks Version: 5.52.0
Qt Version: 5.9.7
ADDITIONAL INFORMATION
For additional discussion, see https://bugs.scribus.net/view.php?id=15404
I'm not entirely certain where the bug is, or if it *is* a bug (i.e. Qt may not
officially support embedding a "themed" QFileDialog).
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