https://bugs.kde.org/show_bug.cgi?id=510073
Bug ID: 510073
Summary: Kwin window icon tracking
Classification: Plasma
Product: kwin
Version First 6.4.5
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: decorations
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
The issue: the way kwin tracks window icons is different from how icon-only
taskbar does it. When specifying StartupWMClass in desktop file of an app,
icon-only taskbar considers it when picking an icon for the application, but
kwin does not, which makes the way kwin tracks window icons inferior to how
icon-only taskbar does it.
The way GNOME tracks window icons also seem to respect StartupWMClass [1][2].
For me, the issue occurs with the following software:
- Ente Auth (https://aur.archlinux.org/packages/ente-auth-bin)
- Signal Desktop (https://archlinux.org/packages/extra/x86_64/signal-desktop/)
- YouTube Music (https://aur.archlinux.org/packages/youtube-music-bin)
For all of them, the desktop file name doesn't match the WM class name, but the
desktop file specifies it with StartupWMClass, which makes the icon-only
taskbar use the proper icon, but not kwin.
STEPS TO REPRODUCE
1. Install and launch any of the software listed above
2. Look at their window icon, alt-tab menu icon and the icon in icon-only
taskbar
OBSERVED RESULT
The icon in alt-tab menu and on the window decoration is the default Wayland
icon, but the icon-only taskbar it is what it should be.
EXPECTED RESULT
The icon kwin uses for an application should match what icon-only taskbar uses
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.18.0
Qt Version: 6.9.2
Kernel Version: 6.16.7-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600H with Radeon Graphics
Memory: 16 GiB of RAM (13.5 GiB usable)
Graphics Processor 1: AMD Radeon Graphics
Graphics Processor 2: NVIDIA GeForce RTX 3060 Laptop GPU
ADDITIONAL INFORMATION
[1] https://github.com/ytmd-devs/ytmd/issues/2806#issuecomment-2584973530
[2] https://aur.archlinux.org/packages/youtube-music#comment-1003960
https://github.com/ytmd-devs/ytmd/issues/2806
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