Bug 493016

Summary: When grouped task popup becomes scrollable, remove side/top paddings to improve Fitts' Law adherence
Product: [Plasma] plasmashell Reporter: Fernando M. Muniz <fernandommuniz>
Component: Task Manager and Icons-Only Task Manager widgetsAssignee: Plasma Bugs List <plasma-bugs-null>
Status: CONFIRMED ---    
Severity: wishlist CC: kde, nate, noahadvs, qydwhotmail
Priority: NOR Keywords: usability
Version First Reported In: 6.2.2   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: Deadzones on the very top and very bottom of it (4 pixels on GIMP).
I can't scroll when the cursor is on the very top/bottom, regardless if I really am on the very top/bottom of the first/final photo.

Description Fernando M. Muniz 2024-09-12 09:55:50 UTC
Created attachment 173584 [details]
Deadzones on the very top and very bottom of it (4 pixels on GIMP).

These corners on the very top and very bottom of the "window preview/selector" have 4 pixels of deadzone.

Can it be changed so these 4 pixels allow the usage of the scrollbar when the cursor happens to be over them?

I have a 1920x1080p screen, and I'm using a touchpad with two fingers to scroll.
Comment 1 Noah Davis 2024-09-19 10:50:49 UTC
I am unable to reproduce a dead zone at the areas pointed to by the arrows in the screenshot. I do notice that I can't click on the scroll bar in the outer right corners of the scrollbar, but scrolling still works fine (-ish; it switches windows rapidly, but that's unrelated).
Comment 2 Fernando M. Muniz 2024-09-19 11:02:35 UTC
Created attachment 173858 [details]
I can't scroll when the cursor is on the very top/bottom, regardless if I really am on the very top/bottom of the first/final photo.

I can't scroll when the cursor is on the very top/bottom, regardless if I really am on the very top/bottom of the first/final photo.
Comment 3 Nate Graham 2024-09-19 20:15:12 UTC
Somewhat tricky problem. These paddings are intentional. However I can see how they interfere with Fitts' Law for grouped tasks with enough windows that the popup becomes scrollable. I think it's worth special-casing this.