From a4d8405957197c19fef0735978a52c49f4d3a5eb Mon Sep 17 00:00:00 2001
From: Noraa Junker <aaron.junker@outlook.com>
Date: Fri, 5 Dec 2025 14:54:13 +0100
Subject: [PATCH] Fix dpi issues in Quick Accent (#43314)

<!-- 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

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

- [x] Closes: #40865
- [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
- [ ] **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
---
 .../poweraccent/PowerAccent.Core/PowerAccent.cs        |  5 ++---
 .../poweraccent/PowerAccent.Core/Tools/Calculation.cs  | 10 +++++-----
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/modules/poweraccent/PowerAccent.Core/PowerAccent.cs b/src/modules/poweraccent/PowerAccent.Core/PowerAccent.cs
index a50eedfc1b..d538d5d139 100644
--- a/src/modules/poweraccent/PowerAccent.Core/PowerAccent.cs
+++ b/src/modules/poweraccent/PowerAccent.Core/PowerAccent.cs
@@ -324,13 +324,12 @@ public partial class PowerAccent : IDisposable
     public Point GetDisplayCoordinates(Size window)
     {
         (Point Location, Size Size, double Dpi) activeDisplay = WindowsFunctions.GetActiveDisplay();
-        double primaryDPI = Screen.PrimaryScreen.Bounds.Width / SystemParameters.PrimaryScreenWidth;
-        Rect screen = new Rect(activeDisplay.Location, activeDisplay.Size) / primaryDPI;
+        Rect screen = new(activeDisplay.Location, activeDisplay.Size);
         Position position = _settingService.Position;
 
         /* Debug.WriteLine("Dpi: " + activeDisplay.Dpi); */
 
-        return Calculation.GetRawCoordinatesFromPosition(position, screen, window);
+        return Calculation.GetRawCoordinatesFromPosition(position, screen, window, activeDisplay.Dpi) / activeDisplay.Dpi;
     }
 
     public double GetDisplayMaxWidth()
diff --git a/src/modules/poweraccent/PowerAccent.Core/Tools/Calculation.cs b/src/modules/poweraccent/PowerAccent.Core/Tools/Calculation.cs
index 4929af535b..0945bfc99f 100644
--- a/src/modules/poweraccent/PowerAccent.Core/Tools/Calculation.cs
+++ b/src/modules/poweraccent/PowerAccent.Core/Tools/Calculation.cs
@@ -18,18 +18,18 @@ namespace PowerAccent.Core.Tools
                 top < screen.Y ? caret.Y + 20 : top);
         }
 
-        public static Point GetRawCoordinatesFromPosition(Position position, Rect screen, Size window)
+        public static Point GetRawCoordinatesFromPosition(Position position, Rect screen, Size window, double dpi)
         {
             int offset = 24;
 
             double pointX = position switch
             {
                 Position.Top or Position.Bottom or Position.Center
-                    => screen.X + (screen.Width / 2) - (window.Width / 2),
+                    => screen.X + (screen.Width / 2) - (window.Width * dpi / 2),
                 Position.TopLeft or Position.Left or Position.BottomLeft
                     => screen.X + offset,
                 Position.TopRight or Position.Right or Position.BottomRight
-                    => screen.X + screen.Width - (window.Width + offset),
+                    => screen.X + screen.Width - ((window.Width * dpi) + offset),
                 _ => throw new NotImplementedException(),
             };
 
@@ -38,9 +38,9 @@ namespace PowerAccent.Core.Tools
                 Position.TopLeft or Position.Top or Position.TopRight
                     => screen.Y + offset,
                 Position.Left or Position.Center or Position.Right
-                    => screen.Y + (screen.Height / 2) - (window.Height / 2),
+                    => screen.Y + (screen.Height / 2) - (window.Height * dpi / 2),
                 Position.BottomLeft or Position.Bottom or Position.BottomRight
-                    => screen.Y + screen.Height - (window.Height + offset),
+                    => screen.Y + screen.Height - ((window.Height * dpi) + offset),
                 _ => throw new NotImplementedException(),
             };