https://bugs.kde.org/show_bug.cgi?id=500737
Bug ID: 500737
Summary: Notifications sent a 0 msec timeout no longer
displayed indefinitely & may clip the next
notification
Classification: Plasma
Product: plasmashell
Version: 6.3.1
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Notifications
Assignee: plasma-b...@kde.org
Reporter: c...@horwell.me
CC: k...@privat.broulik.de
Target Milestone: 1.0
Created attachment 178872
--> https://bugs.kde.org/attachment.cgi?id=178872&action=edit
Video demonstrating the clipped notification after a 0 msec notification
SUMMARY
Since Plasma 6.3.0, I realised one my shell scripts was causing buggy
notification behaviour. In particular, the script sends a transient ("don't
show in history") notification with a timeout of 0 to indicate a long-running
action. In Plasma 6.2.x, the 0 msec timeout allowed normal priority
notifications to appear indefinitely until dismissed, or if the script replaces
it by ID:
> NOTIFY_ID=$(notify-send -p -e -a Example -t 0 -i clock "Performing action...")
>
> notify-send -r ${NOTIFY_ID} -a Example -i emblem-success "Action completed"
Currently, notifications in Plasma 6.3.1 now quickly fades in/out a
notification sent with a 0 msec timeout. Sometimes, this also causes the next
notification to appear clipped. I also observed the other day that one was
incorrectly positioned in the top-left corner of the screen (BUG 499970 ?), but
I was unable to reproduce that, so not sure if related.
STEPS TO REPRODUCE
1. Execute "notify-send -a Test -i clock "This is a test" -t 0"
2. Observe how long the notification stays open.
3. Try executing again. The subsequent notification risks appearing clipped
(regardless of timeout)
OBSERVED RESULT
(a) Notification quickly faded in and out. Can't read, too fast!
(b) The next notification may appear clipped (only a few pixels visible) if the
last one didn't fade/appear properly.
EXPECTED RESULT
(a) Notification with a 0 msec timeout are displayed indefinitely (OR fallback
to a default timeout)
(b) Notifications don't appear clipped.
SOFTWARE/OS VERSIONS
Arch Linux
KDE Plasma: 6.3.1
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
X11
ADDITIONAL INFORMATION
It might be a user bug for sending a 0 msec timeout 'normal' notification, but
on the other hand, it could be considered a Plasma 6.3 regression since 0 msec
previously displayed such notification indefinitely. For now, the script can
fix the problem by sending an "urgent" notification type, or set a very high
timeout.
Originally the bug report was for the clipping issue, but I'd guess it's due to
the 0 timeout behaviour. Fixing the timeout might fix the clipping/position
issues too.
The video recording got lucky, since the first time the command ran, no
notification was seen (no fade at all), then the next one was clipped. As later
shown, it isn't always 100% reproducible.
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