Settings: Settings search fixes (#41381)

<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request
Fix 3 issues

<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist

- [x] Closes: #41369, #41374, #41380
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed


https://github.com/user-attachments/assets/0e0df9fb-5aca-4b26-9d53-e6ddc49cab04

---------

Co-authored-by: Niels Laute <niels.laute@live.nl>
Co-authored-by: Jiří Polášek <me@jiripolasek.com>
This commit is contained in:
Kai Tao
2025-08-27 14:51:36 +08:00
committed by GitHub
parent bb6b36af3f
commit 7455d63bb5
7 changed files with 349 additions and 157 deletions

View File

@@ -80,6 +80,9 @@ public abstract partial class NavigablePage : Page
return;
}
// Attempt to set keyboard focus so that screen readers announce the element and keyboard users land directly on it.
TrySetFocus(target);
// Get the visual and compositor
var visual = ElementCompositionPreview.GetElementVisual(target);
var compositor = visual.Compositor;
@@ -113,9 +116,129 @@ public abstract partial class NavigablePage : Page
ElementCompositionPreview.SetElementChildVisual(target, null);
}
private static void TrySetFocus(FrameworkElement target)
{
try
{
// Prefer Control.Focus when available.
if (target is Control ctrl)
{
// Ensure it can receive focus.
if (!ctrl.IsTabStop)
{
ctrl.IsTabStop = true;
}
ctrl.Focus(FocusState.Programmatic);
}
// Target is not a Control. Find first focusable descendant Control.
var focusCandidate = FindFirstFocusableDescendant(target);
if (focusCandidate != null)
{
if (!focusCandidate.IsTabStop)
{
focusCandidate.IsTabStop = true;
}
focusCandidate.Focus(FocusState.Programmatic);
return;
}
// Fallback: attempt to focus parent control if no descendant found.
if (target.Parent is Control parent)
{
if (!parent.IsTabStop)
{
parent.IsTabStop = true;
}
parent.Focus(FocusState.Programmatic);
}
}
catch
{
// Swallow focus exceptions; not critical. Could log if logging enabled.
// Leave the default focus as it is.
}
}
private static Control FindFirstFocusableDescendant(FrameworkElement root)
{
if (root == null)
{
return null;
}
var queue = new System.Collections.Generic.Queue<DependencyObject>();
queue.Enqueue(root);
while (queue.Count > 0)
{
var current = queue.Dequeue();
if (current is Control c && c.IsEnabled && c.Visibility == Visibility.Visible)
{
return c;
}
int count = VisualTreeHelper.GetChildrenCount(current);
for (int i = 0; i < count; i++)
{
queue.Enqueue(VisualTreeHelper.GetChild(current, i));
}
}
return null;
}
protected FrameworkElement FindElementByName(string name)
{
var element = this.FindName(name) as FrameworkElement;
return element;
if (element != null)
{
return element;
}
if (this.Content is DependencyObject root)
{
var found = FindInDescendants(root, name);
if (found != null)
{
return found;
}
}
return null;
}
private static FrameworkElement FindInDescendants(DependencyObject root, string name)
{
if (root == null || string.IsNullOrEmpty(name))
{
return null;
}
var queue = new System.Collections.Generic.Queue<DependencyObject>();
queue.Enqueue(root);
while (queue.Count > 0)
{
var current = queue.Dequeue();
if (current is FrameworkElement fe)
{
var local = fe.FindName(name) as FrameworkElement;
if (local != null)
{
return local;
}
}
int count = VisualTreeHelper.GetChildrenCount(current);
for (int i = 0; i < count; i++)
{
var child = VisualTreeHelper.GetChild(current, i);
queue.Enqueue(child);
}
}
return null;
}
}