https://bugs.kde.org/show_bug.cgi?id=406464
Bug ID: 406464
Summary: Unexpected folder selection in native QFileDialog
Product: plasma-integration
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: m.wegh...@posteo.de
Target Milestone: ---
Created attachment 119370
--> https://bugs.kde.org/attachment.cgi?id=119370&action=edit
Sample program that opens QFileDialog to select directory
SUMMARY
When using the native Plasma file dialog to select a directory, clicking on a
directory and confirming will not select the selected directory, but the "base
directory" currently shown in the dialog.
STEPS TO REPRODUCE
1. create test directories: 'mkdir /tmp/testdir/subdir'
2. compile attached sample program ("main.cpp") that opens a file dialog to
select a directory
3. start the program
4. navigate into directory "/tmp/testdir"
5. click on directory "subdir"
6. click the "Open" button
-> dialog closes
7. check what directory has been selected (printed on stdout for the sample
program)
OBSERVED RESULT
The folder "/tmp/testdir/" has been selected.
EXPECTED RESULT
Expected result: The folder "/tmp/testdir/subdir" should be selected.
SOFTWARE/OS VERSIONS
Debian
Operating System: Debian GNU/Linux testing (with plasma-integration 5.14.5-1,
libkf5kiowidgets5 5.54.1-1)
KDE Plasma Version: 5.14.5
Qt Version: 5.11.3
KDE Frameworks Version: 5.54.0
Kernel Version: 4.19.0-4-amd64
OS Type: 64-bit
ADDITIONAL INFORMATION
* The non-native QFileDialog behaves as expected, which can be tested by
forcing QFileDialog to use non-native mode (s. line 11, currently commented
out). When clicking a directory, it updates that shown path accordingly and the
test program prints the path after clicking the "Choose" button.
* The attached screenshots show the native and non-native dialogs at the point
in time the corresponding buttons are clicked.
* The Qt documentation for QFileDialog ([1]) mentions: "Returns a list of
strings containing the absolute paths of the selected files in the dialog. If
no files are selected, or the mode is not ExistingFiles or ExistingFile,
selectedFiles() contains the current path in the viewport." -- I don't thinks
this describes what happens here, though.
* Commenting out 'dialog.setFileMode(QFileDialog::FileMode::Directory);' in
line 12 in the sample program makes the QFileDialog behave as expected.
However, that will make folder selection impossible with the non-native
QFileDialog (so behaviour differs here as well).
[1] https://doc.qt.io/qt-5/qfiledialog.html#selectedFiles
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