https://bugs.kde.org/show_bug.cgi?id=456231
Bug ID: 456231
Summary: Previous mouse selection active when kickoff launched
and navigated using keyboard
Product: plasmashell
Version: master
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Application Launcher (Kickoff)
Assignee: plasma-b...@kde.org
Reporter: abhijeetvi...@gmail.com
CC: mikel5...@gmail.com, noaha...@gmail.com
Target Milestone: 1.0
Created attachment 150335
--> https://bugs.kde.org/attachment.cgi?id=150335&action=edit
Steps to reproduce/demo of bug
SUMMARY
When you use the mouse to select an item from the search list view and then the
plasmoid is relaunched, as long as the mouse never lands on top of the
plasmoid, the previous search list element will be highlighted.
This is not strictly restricted to search. It is reproducible in any list/grid
view of Kickoff.
STEPS TO REPRODUCE
1. Search for something
2. Use mouse to click and open an item from the list
3. Once plasmoid closes, move mouse away to different part of screen
4. Reopen plasmoid once again (using mouse, keyboard shortcut etc).. Ensure
mouse is never on top of plasmoid full representation
5. Search for something using keyboard
6. If it's the same search term, the previously clicked on item will be
activated/highlighted\
(Check Video attachment, each time I type in 'f' into the search field, the
previous selection becomes highlighted after a half a second or so)
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.18 Linux Zen, KDE master branch (compiled from source)
(available in About System)
Qt Version: 5.15.5+kde+r166-1 and 6.3.1-1 (from the Arch repos, not sure which
one KDE uses)
DEBUGGING INSIGHT
I tried debugging this and finally realized it had to do with how the
`onEntered` handler is triggered in `KickoffItemDelegate`'s `MouseArea`. If you
dig deep enough, you'll realize that the `containsMouse` property is `true`.
Further items in other lists can also be active (for example, favorites
grid/list view or applications list view).
Essentially, the mouse pointer position doesn't get updated and remains at the
previous value (when we made the first mouse click in Step 2) even after
relaunching the plasmoid. My QML experience is limited and I don't know how to
fix this.
If anyone has any insights on how to fix it, I can provide a patch.
Also, this is a possible 15-Minute bug.
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