https://bugs.kde.org/show_bug.cgi?id=507443
Bug ID: 507443
Summary: Progress bar cancellation cannot be detected in script
Classification: Applications
Product: kdialog
Version First unspecified
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: br...@frogmouth.net
Reporter: burne...@gmail.com
Target Milestone: ---
SUMMARY
kdialog --progressbar can be cancelled by the user, but when it is, this is
difficult to detect from a script. The way described in the documentation of
querying the wasCancelled property from DBus does not work, because when the
user clicks cancel, the progress bar closes, which includes closing its DBus
service. It is also difficult if not impossible to get the exit code of the
progress bar process itself, because it forks itself and cannot be `wait`ed on.
STEPS TO REPRODUCE
Try this example from the docs
https://develop.kde.org/docs/administration/kdialog/#--progressbar-dialog-box-example-with-cancel
dbusRef=`kdialog --progressbar "Press Cancel at Any time" 10`
qdbus $dbusRef showCancelButton true
until test "true" = `qdbus $dbusRef wasCancelled`; do
sleep 1
inc=$((`qdbus $dbusRef Get "" "value"` + 1))
qdbus $dbusRef Set "" "value" $inc;
done
qdbus $dbusRef close
OBSERVED RESULT
Clicking Cancel makes the script throw a bunch of errors:
Cannot find '.Get' in object /ProgressDialog at org.kde.kdialog-2655344
Cannot find '.Set' in object /ProgressDialog at org.kde.kdialog-2655344
Service 'org.kde.kdialog-2655344' does not exist.
./test.sh: line 6: test: true: unary operator expected
EXPECTED RESULT
Clicking cancel stops the script.
ADDITIONAL INFORMATION
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