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[PR #10922] Manually dismiss popups when the window moves, or the SUI scrolls #28313

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opened 2026-01-31 09:27:43 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:27:43 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/10922

State: closed
Merged: Yes

Summary of the Pull Request

BODGY!

This solution was suggested in https://github.com/microsoft/microsoft-ui-xaml/issues/4554#issuecomment-887815332.

When the window moves, or when a ScrollViewer scrolls, dismiss any popups that are visible. This happens automagically when an app is a real XAML app, but it doesn't work for XAML Islands.

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PR Checklist

Detailed Description of the Pull Request / Additional comments

Unfortunately, we've got a bunch of scroll viewers in our SUI. So I did something bodgyx2 to make our life a little easier.

DismissAllPopups can be used to dismiss all popups for a particular UI element. However, we've got a bunch of pages with scroll viewers that may or may not have popups in them. Rather than define the same exact body for all their ViewChanging events, the HasScrollViewer struct will just do it for you!

Inside the HasScrollViewer stuct, we can't get at the XamlRoot() that our subclass implements. I mean, we can, but when XAML does it's codegen, XAML won't be able to figure it out.

Fortunately for us, we don't need to! The sender is a UIElement, so we can just get their XamlRoot().

So, you can fix this for any SUI page with just a simple

-    <ScrollViewer>
+    <ScrollViewer ViewChanging="ViewChanging">

-    struct AddProfile : AddProfileT<AddProfile>
+    struct AddProfile : public HasScrollViewer<AddProfile>, AddProfileT<AddProfile>

Validation Steps Performed

  • the window doesn't close when you move it
  • the popups do close when you move the window
  • the popups close when you scroll any SUI page
**Original Pull Request:** https://github.com/microsoft/terminal/pull/10922 **State:** closed **Merged:** Yes --- ## Summary of the Pull Request BODGY! This solution was suggested in https://github.com/microsoft/microsoft-ui-xaml/issues/4554#issuecomment-887815332. When the window moves, or when a ScrollViewer scrolls, dismiss any popups that are visible. This happens automagically when an app is a real XAML app, but it doesn't work for XAML Islands. ## References * upstream at https://github.com/microsoft/microsoft-ui-xaml/issues/4554 ## PR Checklist * [x] Closes #9320 * [x] I work here * [ ] Tests added/passed * [ ] Requires documentation to be updated ## Detailed Description of the Pull Request / Additional comments Unfortunately, we've got a bunch of scroll viewers in our SUI. So I did something bodgyx2 to make our life a little easier. `DismissAllPopups` can be used to dismiss all popups for a particular UI element. However, we've got a bunch of pages with scroll viewers that may or may not have popups in them. Rather than define the same exact body for all their `ViewChanging` events, the `HasScrollViewer` struct will just do it for you! Inside the `HasScrollViewer` stuct, we can't get at the `XamlRoot()` that our subclass implements. I mean, _we_ can, but when XAML does it's codegen, _XAML_ won't be able to figure it out. Fortunately for us, we don't need to! The sender is a UIElement, so we can just get _their_ `XamlRoot()`. So, you can fix this for any SUI page with just a simple ```diff - <ScrollViewer> + <ScrollViewer ViewChanging="ViewChanging"> ``` ```diff - struct AddProfile : AddProfileT<AddProfile> + struct AddProfile : public HasScrollViewer<AddProfile>, AddProfileT<AddProfile> ``` ## Validation Steps Performed * the window doesn't close when you move it * the popups _do_ close when you move the window * the popups close when you scroll any SUI page
claunia added the pull-request label 2026-01-31 09:27:43 +00:00
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Reference: starred/terminal#28313
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