The vertical scrollbar thumb does not expand to full size #17776

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opened 2026-01-31 05:53:04 +00:00 by claunia · 8 comments
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Originally created by @heaths on GitHub (Jun 22, 2022).

Originally assigned to: @lhecker on GitHub.

Windows Terminal version

1.13.11432.0

Windows build number

10.0.22000.0

Other Software

No response

Steps to reproduce

  1. Write enough text to display a vertical scrollbar e.g. tree /f %windir%
  2. Hover mouse over scrollbar or even the thumb specifically

Expected Behavior

Thumb expands to a larger size as it does in Notepad (new Windows 11 version).

Actual Behavior

Thumb stays tiny as shown in screen grab below:

Terminal Scrollbar Issue

Originally created by @heaths on GitHub (Jun 22, 2022). Originally assigned to: @lhecker on GitHub. ### Windows Terminal version 1.13.11432.0 ### Windows build number 10.0.22000.0 ### Other Software _No response_ ### Steps to reproduce 1. Write enough text to display a vertical scrollbar e.g. `tree /f %windir%` 2. Hover mouse over scrollbar or even the thumb specifically ### Expected Behavior Thumb expands to a larger size as it does in Notepad (new Windows 11 version). ### Actual Behavior Thumb stays tiny as shown in screen grab below: ![Terminal Scrollbar Issue](https://user-images.githubusercontent.com/1532486/175144468-63b1b81b-b3ca-4f6a-a7a1-9020f4319a65.gif)
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@zadjii-msft commented on GitHub (Jun 23, 2022):

Huh.

gh-13361

any chance you have animations disabled in the OS? I honestly have no idea what could possibly cause this 😕

Maybe #12608?

@zadjii-msft commented on GitHub (Jun 23, 2022): Huh. ![gh-13361](https://user-images.githubusercontent.com/18356694/175281127-c87d2393-79ac-4911-81a5-73ccea8f5396.gif) any chance you have animations disabled in the OS? I honestly have no idea what could possibly cause this 😕 Maybe #12608?
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@vefatica commented on GitHub (Jun 23, 2022):

I have

image

and

Microsoft Windows 10 Pro for Workstations
10.0.19044.1766 (2009, 21H2)
WindowsTerminalPreview 1.14.2205.25001

I do not see the animation shown in @zadjii-msft's clip. Ditto in 1.13.2205.23001. The slider acts as if it's wider; i.e., I can grab it with the mouse a few pixels on either side. I just don't see the wider version.

@vefatica commented on GitHub (Jun 23, 2022): I have ![image](https://user-images.githubusercontent.com/61856645/175337626-d590bcce-1af2-4db6-8780-579460638806.png) and Microsoft Windows 10 Pro for Workstations 10.0.19044.1766 (2009, 21H2) WindowsTerminalPreview 1.14.2205.25001 I do not see the animation shown in @zadjii-msft's clip. Ditto in 1.13.2205.23001. The slider acts as if it's wider; i.e., I can grab it with the mouse a few pixels on either side. I just don't see the wider version.
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@heaths commented on GitHub (Jun 23, 2022):

Maybe #12608?

Animations are enabled. It could be related to that issue, though. I should've also mentioned I'm running 4K resolution. Assuming new notepad is using WinUI (I'm pretty sure it is), you can see the scrollbar works as I'd expect with modern UI.

To note: this also repros in Terminal Preview version 1.14.1452.0.

@heaths commented on GitHub (Jun 23, 2022): > Maybe #12608? Animations are enabled. It could be related to that issue, though. I should've also mentioned I'm running 4K resolution. Assuming new notepad is using WinUI (I'm pretty sure it is), you can see the scrollbar works as I'd expect with modern UI. To note: this also repros in Terminal Preview version 1.14.1452.0.
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@zadjii-msft commented on GitHub (Jul 5, 2022):

If I had to guess, this regressed in #12608, but I have no idea why. We're just copy-pasting the scrollbar XAML in its entirety.

Do the scrollbars in the Settings UI work as expected? That might help narrow this down.

@zadjii-msft commented on GitHub (Jul 5, 2022): If I had to guess, this regressed in #12608, but I have no idea why. We're just copy-pasting the scrollbar XAML in its entirety. Do the scrollbars in the Settings UI work as expected? That might help narrow this down.
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@vefatica commented on GitHub (Jul 5, 2022):

Here, they're old-fashioned looking.

image

Microsoft Windows 10 Pro for Workstations
10.0.19044.1766 (2009, 21H2)

@vefatica commented on GitHub (Jul 5, 2022): Here, they're old-fashioned looking. ![image](https://user-images.githubusercontent.com/61856645/177364448-1a0ebab1-50b8-4089-8a83-fceef126ea2e.png) Microsoft Windows 10 Pro for Workstations 10.0.19044.1766 (2009, 21H2)
Author
Owner

@heaths commented on GitHub (Jul 5, 2022):

Do the scrollbars in the Settings UI work as expected? That might help narrow this down.

@zadjii-msft no, they exhibit the same always-narrow behavior as shown in my screenvid.

@heaths commented on GitHub (Jul 5, 2022): > Do the scrollbars in the Settings UI work as expected? That might help narrow this down. @zadjii-msft no, they exhibit the same always-narrow behavior as shown in my screenvid.
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@zadjii-msft commented on GitHub (Aug 5, 2022):

Sticking Leonard on this since he's got a live repro. Presumably this is sure to our manual re-template of the scrollbar control, but I wouldn't begin to know what we broke.

@zadjii-msft commented on GitHub (Aug 5, 2022): Sticking Leonard on this since he's got a live repro. Presumably this is sure to our manual re-template of the scrollbar control, but I wouldn't begin to know what we broke.
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Owner

@lhecker commented on GitHub (Aug 24, 2022):

I used to have this issue and it doesn't occur in the internal 1.16.2352.0 preview build anymore. Closing, because it'll be (hopefully - if I'm right) fixed in the upcoming 1.16 build.

@lhecker commented on GitHub (Aug 24, 2022): I used to have this issue and it doesn't occur in the internal 1.16.2352.0 preview build anymore. Closing, because it'll be (hopefully - if I'm right) fixed in the upcoming 1.16 build.
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Reference: starred/terminal#17776