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Scrolling not possible with some window-filling applications #3318

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opened 2026-01-30 23:18:30 +00:00 by claunia · 2 comments
claunia commented 2026-01-30 23:18:30 +00:00
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Originally created by @adrianghc on GitHub (Aug 8, 2019).

Environment

Windows build number: 18362.267
Windows Terminal version (if applicable): 0.3.2171.0

Any other software? poolmon

Steps to reproduce

Start an application like poolmon from the Windows WDK that takes up the entire screen buffer while it's running.

Expected behavior

Under the normal Windows 10 terminal, I can scroll through it with the scrollbar and the scroll wheel.

image
image

Actual behavior

Using Windows Terminal 0.3.2142.0, there is no scrollbar and using the scroll wheel does not do anything either. Hovering over where the scroll bar should be makes it appear, but there is no actual bar, only up and down arrows.

image
image

(By the way, if anyone knows what's up with that PEPI memory leak you'd be my hero but that's another story, I guess.)

Originally created by @adrianghc on GitHub (Aug 8, 2019). # Environment ``` Windows build number: 18362.267 Windows Terminal version (if applicable): 0.3.2171.0 Any other software? poolmon ``` # Steps to reproduce Start an application like poolmon from the Windows WDK that takes up the entire screen buffer while it's running. # Expected behavior Under the normal Windows 10 terminal, I can scroll through it with the scrollbar and the scroll wheel. ![image](https://user-images.githubusercontent.com/11506007/62737206-86d75900-ba2f-11e9-9b99-2aba49fcd2c4.png) ![image](https://user-images.githubusercontent.com/11506007/62737218-8ccd3a00-ba2f-11e9-8ce5-088fae3fb43d.png) # Actual behavior Using Windows Terminal 0.3.2142.0, there is no scrollbar and using the scroll wheel does not do anything either. Hovering over where the scroll bar should be makes it appear, but there is no actual bar, only up and down arrows. ![image](https://user-images.githubusercontent.com/11506007/62737233-99519280-ba2f-11e9-9841-5920d2a5e762.png) ![image](https://user-images.githubusercontent.com/11506007/62737238-9e164680-ba2f-11e9-80f5-06aadef69c12.png) (By the way, if anyone knows what's up with that PEPI memory leak you'd be my hero but that's another story, I guess.)
claunia added the Resolution-Duplicate label 2026-01-30 23:18:30 +00:00
claunia commented 2026-01-30 23:18:31 +00:00
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@DHowett-MSFT commented on GitHub (Aug 16, 2019):

This is likely to be "conpty doesn't support mouse events" and then "windows terminal doesn't support mouse events." This is doubly true if the application in question actually listens for Windows mouse events (and not VT mouse events.). #376 #545

@DHowett-MSFT commented on GitHub (Aug 16, 2019): This is likely to be "conpty doesn't support mouse events" and then "windows terminal doesn't support mouse events." This is doubly true if the application in question _actually listens for Windows mouse events_ (and not VT mouse events.). #376 #545
claunia commented 2026-01-30 23:18:31 +00:00
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@Squall-Leonhart commented on GitHub (Mar 19, 2023):

None of the changes mentioning this issue have fixed this issue, Poolmon is not scrollable when the buffer size exceeds the starting window height.

I don't think it has anything to do with the issues that were 'supposed' to be the cause, and a terminal developer should have a chat with someone on the DDK/WDK team that has access to the poolmon source to get a better understanding of the problem.

@Squall-Leonhart commented on GitHub (Mar 19, 2023): None of the changes mentioning this issue have fixed this issue, Poolmon is not scrollable when the buffer size exceeds the starting window height. I don't think it has anything to do with the issues that were 'supposed' to be the cause, and a terminal developer should have a chat with someone on the DDK/WDK team that has access to the poolmon source to get a better understanding of the problem.
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Reference: starred/terminal#3318
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