<!-- 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
Fixes two bugs in the Light Switch ↔ PowerDisplay integration:
1. **Settings UI was hidden.** The "Apply monitor settings" expander
(dark/light profile pickers) and the "PowerDisplay disabled"
warning InfoBar were temporarily commented out in PR #46160. Users
had no way to configure which profile to bind to each theme.
2. **Hotkey only applied one profile.** On every hotkey press
ModuleInterface flips the Windows theme, but the service only
notified PowerDisplay when `isManualOverride` toggled from `false`
to `true`. Every even-numbered press was silently dropped, so the
monitor profile stayed stuck on whichever direction the user
pressed first.
<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist
- [ ] Closes: #xxx
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
issues) -->
- [ ] **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
---------
Co-authored-by: Yu Leng (from Dev Box) <yuleng@microsoft.com>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
<!-- 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
Title
<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist
- [x] Closes: https://github.com/microsoft/PowerToys/issues/45291
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
issues) -->
- [x] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
<!-- 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
Before, there was a function that initialized some variables about the
current system state that were later used to check against if that state
needed to change in a different function. That caused from some issues
because I was reusing the function for a double purpose. Now the
`SyncInitialThemeState()` function in the State Manager will sync those
initial variables and apply the correct theme if needed.
I also removed an unnecessary parameter from `onTick`
<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
Manual testing
This uses IVirtualDesktopManagerInternal*, which is an undocumented
Windows Shell internal API.
These interfaces are not stable and can change across Windows updates,
so using them in PowerToys carries some long-term risk
<!-- 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
Introduces a new mode that will have Light Switch follow Windows Night
Light.
<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist
- [x] Closes: https://github.com/microsoft/PowerToys/issues/42457
- [x] **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
- [x] **Localization:** All end-user-facing strings can be localized
- [ ] **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
Strictly follows the state of Night Light. When NL is on, LS will be
switch to dark mode and when NL is off, LS will switch to light mode
(with respect to the users system/app selection).
<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
Turn on Follow Night Light mode
Change night light!
## Notes
<!-- 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
This PR introduces new UI to allow the users to manually enter their
lat/long.
<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist
- [x] Closes: #42429
- [x] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [x] **Localization:** All end-user-facing strings can be localized
- [x] **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:
#[5979](https://github.com/MicrosoftDocs/windows-dev-docs-pr/pull/5979)
---------
Co-authored-by: Niels Laute <niels.laute@live.nl>
