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get dpi unaware screen bounds

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This commit is contained in:
seraphima
2024-07-01 19:53:26 +02:00
parent fd5e4590d7
commit 10a3f1162f
2 changed files with 26 additions and 32 deletions
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55
src/modules/Projects/ProjectsEditor/Utils/MonitorHelper.cs
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@@ -3,47 +3,40 @@
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.InteropServices;
using System.Threading;
using System.Windows.Forms;
namespace ProjectsEditor.Utils
{
internal sealed class MonitorHelper
public class MonitorHelper
{
internal static List<Rectangle> GetDpiUnawareScreenBounds()
private const int DpiAwarenessContextUnaware = -1;
private Screen[] screens;
[DllImport("user32.dll")]
private static extern IntPtr SetThreadDpiAwarenessContext(IntPtr dpiContext);
private void SaveDpiUnawareScreens()
{
List<Rectangle> screenBounds = new List<Rectangle>();
var primaryScreen = System.Windows.Forms.Screen.PrimaryScreen;
GetDpiOnScreen(primaryScreen, out uint dpiX_Primary, out uint dpiY_Primary);
foreach (var screen in System.Windows.Forms.Screen.AllScreens)
{
GetDpiOnScreen(screen, out uint dpiX, out uint dpiY);
screenBounds.Add(new Rectangle((int)(screen.Bounds.Left * 96 / dpiX_Primary), (int)(screen.Bounds.Top * 96 / dpiY_Primary), (int)(screen.Bounds.Width * 96 / dpiX), (int)(screen.Bounds.Height * 96 / dpiY)));
}
return screenBounds;
SetThreadDpiAwarenessContext(DpiAwarenessContextUnaware);
screens = Screen.AllScreens;
}
private static void GetDpiOnScreen(Screen screen, out uint dpiX, out uint dpiY)
private Screen[] GetDpiUnawareScreenBounds()
{
var point = new System.Drawing.Point(screen.Bounds.Left + 1, screen.Bounds.Top + 1);
var hmonitor = NativeMethods.MonitorFromPoint(point, NativeMethods._MONITOR_DEFAULTTONEAREST);
Thread dpiUnawareThread = new Thread(new ThreadStart(SaveDpiUnawareScreens));
dpiUnawareThread.Start();
dpiUnawareThread.Join();
switch (NativeMethods.GetDpiForMonitor(hmonitor, NativeMethods.DpiType.EFFECTIVE, out dpiX, out dpiY).ToInt32())
{
case NativeMethods._S_OK: break;
default:
dpiX = 96;
dpiY = 96;
break;
}
return screens;
}
public static Screen[] GetDpiUnawareScreens()
{
MonitorHelper monitorHelper = new MonitorHelper();
return monitorHelper.GetDpiUnawareScreenBounds();
}
}
}

3
src/modules/Projects/ProjectsEditor/ViewModels/MainViewModel.cs
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@@ -398,8 +398,9 @@ namespace ProjectsEditor.ViewModels
{
_mainWindow.WindowState = System.Windows.WindowState.Minimized;
_overlayWindows.Clear();
foreach (var bounds in MonitorHelper.GetDpiUnawareScreenBounds())
foreach (var screen in MonitorHelper.GetDpiUnawareScreens())
{
var bounds = screen.Bounds;
OverlayWindow overlayWindow = new OverlayWindow();
overlayWindow.Top = bounds.Top;
overlayWindow.Left = bounds.Left;