https://bugs.kde.org/show_bug.cgi?id=406478
Bug ID: 406478
Summary: Show latest program window thumbnail in taskbar
Product: frameworks-plasma
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: components
Assignee: notm...@gmail.com
Reporter: watisthis...@outlook.com
Target Milestone: ---
Implement mode for taskbar that allows pausing programs but also stores and
shows the latest available thumbnail.
The taskbar should show the latest available thumbnail instead of changing it
to the app icon.
-Compositor's settings have Keep window thumbnails options Never, Only for
shown windows and Always.
Setting it to always shows a hint that says something along the lines "Always
showing window thumbnails disrupts minimized state of the windows. Hence some
windows won't stop their work when minimized."
-So, selecting the option Only for shown windows is required for some programs
like games to automatically pause their sound and graphics when they are
minimized. It is probably quite popular choice as many people don't want to
hear a game when they Alt-Tab out.
-This, however, is quite restrictive as it disables thumbnails for every
minimized window.
Now the thumbnail for minimized window is just the program icon, which is
normally already visible on left of the program name (hence of no use). Latest
thumbnail, even if not completely up-to-date, would be much more helpful.
As I see it, the whole idea of thumbnails is to help identify the program
window and that would be especially important for minimized windows.
Maybe the mode should have a hint in compositor settings saying "thumbnails for
minimized windows may not be up-to-date".
Also, is it possible to detect paused programs and have only their thumbnail
generation paused?
-e.g. Microsoft Windows seems to mostly show the latest thumbnail
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