https://bugs.kde.org/show_bug.cgi?id=510979
Bug ID: 510979
Summary: Zoom area sometimes warps to mouse cursor after
panning with the keyboard
Classification: Plasma
Product: kwin
Version First 6.5.0
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-various
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
When using the keyboard to pan the zoom area around when using fullscreen zoom,
the zoom area likes to warp back to the mouse cursor when letting go of the
shortcut modifiers.
STEPS TO REPRODUCE
1. In System Settings -> Accessibility -> Zoom & Magnifier, enable fullscreen
zoom.
2. Set a keyboard shortcut for the "Move Left/Up/Right/Down" shortcuts if you
don't already have them set.
3. Set mouse tracking to Push
4. Move your mouse to the middle of the screen/desktop while zoomed in
5. Use the keyboard shortcut to pan in any direction until the mouse cursor is
no longer visible on-screen
6. Let go of the shortcut keys without touching the mouse
OBSERVED RESULT
KWin will warp the zoom area until the mouse cursor is on-screen. You won't be
able to keep the zoom area focused on what you panned toward.
EXPECTED RESULT
I'd like the zoom area to stay put, until the mouse is actually touched.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Plasma 6.5.0 on NixOS unstable
KDE Plasma Version: 6.5.0
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
ADDITIONAL INFORMATION
I discovered this while playing Prototype. The game doesn't handle the mouse
very well, and typically breaks screen magnifiers. In Plasma, you can't pan
around the screen using the mouse when playing the game. Quite a few games,
unfortunately, are like this.
Was using the keyboard shortcuts to zoom in on the game's pause menu. Keyboard
is used to control zoom, with a game controller used to actually navigate the
menu. I had to keep one hand on the keyboard to keep the zoom area in place,
with another hand awkwardly navigating the menu very slowly.
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