peterfajdiga / peterfajdiga/karousel

[Bug] Windows leave ghost glitched out images when scrolling with touchpad

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Dominant language
TypeScript
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Description

Karousel version: 0.13
Plasma version: 6.3.5
X11 / Wayland: Wayland

Kernel Version: 6.14.4-318.current (64-bit)
Processors: 4 × Intel® Core™ i5-7200U CPU @ 2.50GHz
Graphics Processor: Intel® HD Graphics 620

Description:
Using the new feature to scroll the windows using a touchpad gesture, a visual glitch appears on the desktop background from the place that the off-screen window came from.

I'm using a shader effect on the windows (KDE Rounded Corners) but it is also present without it.

https://github.com/user-attachments/assets/3009e41f-3eaf-4f54-8645-a925f9c62bdf

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source files or tests are named in the issue. First reproduce touchpad-gesture scrolling on Wayland with Karousel 0.13, checking the behavior with and without KDE Rounded Corners; investigate the window-scrolling entry point. Done means the desktop background no longer retains ghost or glitched images after an off-screen window moves away.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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