https://bugs.kde.org/show_bug.cgi?id=427958
Bug ID: 427958
Summary: Debounce hiding the window selector upon unhovering
program group icon
Product: plasmashell
Version: 5.20.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Task Manager and Icons-Only Task Manager
Assignee: h...@kde.org
Reporter: rula...@wp.pl
CC: plasma-b...@kde.org
Target Milestone: 1.0
SUMMARY
Hiding the window selection UI upon unhovering the program group icon on the
Icons-Only Task Bar should be debounced to prevent the UI from being hidden as
the user accidentally hovers an adjacent icon for a split second when moving
the pointer towards one of the tumbnails in the window selection UI.
STEPS TO REPRODUCE
1. Open two instances of a program, so that they get grouped under a single
icon in the Icons-Only Task Bar
2. Hover over the group icon and wait for the window selection UI to appear
3. Try selecting one of the thumbnails.
OBSERVED RESULT
More often than not, as you move the pointer towards the thumbnail, you will
accidentally hover an adjacent icon on the taskbar for a split second. This
will cause the window selection UI to disappear.
EXPECTED RESULT
When the window selection UI for a taskbar group is shown, the "another taskbar
icon was hovered" event should be debounced. Instead of immediately hiding the
window selection UI when such an event occurs, a timer should be started that
would hide the UI after e.g. 100ms, and would be cancelled if the window
selection UI is hovered within that timeframe.
Operating System: Arch Linux
KDE Plasma Version: 5.20.0
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.1
Kernel Version: 5.9.1-zen2-1-zen
OS Type: 64-bit
Processors: 8 × AMD FX(tm)-8320 Eight-Core Processor
Memory: 15.6 GiB of RAM
Graphics Processor: GeForce GTX 960/PCIe/SSE2
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