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PowerToys/src/settings-ui
moooyo e6d346a59b [PowerDisplay] Default-off and confirm dialog for InputSource/ColorTemp/PowerState (#47303)
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## Summary of the Pull Request
Three per-monitor PowerDisplay features have failure modes recoverable
only via physical buttons:

Input Source — switching to an input with no signal goes black;
PowerToys can no longer drive a panel that isn't displaying its own
signal
Color Temperature — some monitors apply changes that cannot be reset via
DDC/CI; OSD reset required
Power State — VCP 0xD6 standby may not respond to subsequent DDC/CI wake
commands
This PR:

Defaults all three features off for newly-discovered monitors. Supports*
derivation from VCP capabilities is unchanged — unsupported checkboxes
are still greyed out.
Pops a confirmation dialog when a user toggles any of them on in
Settings, mirroring the existing Color Temperature warning. Cancel
reverts the checkbox; Enable keeps it.
Refactors the existing Color Temperature click handler into a shared
HandleDangerousFeatureClickAsync(sender, resourceKeyPrefix, setter)
helper. All three feature handlers now reuse it.
Renames PowerDisplay_ColorTemperature_EnableButton →
PowerDisplay_Dialog_Enable so the three dialogs share one button-text
resource (paralleling the existing shared PowerDisplay_Dialog_Cancel)

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## PR Checklist

- [ ] Closes: #xxx
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- [ ] **Dev docs:** Added/updated
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- [ ] **Documentation updated:** If checked, please file a pull request
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## Detailed Description of the Pull Request / Additional comments

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Co-authored-by: Yu Leng (from Dev Box) <yuleng@microsoft.com>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-29 13:35:12 +08:00
..