Window management

Services/MonitorInfo.cs

@@ -0,0 +1,104 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+namespace Microsoft.Maui.Platform.Linux.Services;
+
+/// <summary>
+/// Represents information about a display monitor.
+/// </summary>
+public record MonitorInfo
+{
+    /// <summary>
+    /// Gets the unique identifier for this monitor (XRandR output ID).
+    /// </summary>
+    public ulong Id { get; init; }
+
+    /// <summary>
+    /// Gets the monitor name (e.g., "HDMI-1", "DP-2", "eDP-1").
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// Gets whether this is the primary monitor.
+    /// </summary>
+    public bool IsPrimary { get; init; }
+
+    /// <summary>
+    /// Gets the X position of the monitor in the virtual desktop.
+    /// </summary>
+    public int X { get; init; }
+
+    /// <summary>
+    /// Gets the Y position of the monitor in the virtual desktop.
+    /// </summary>
+    public int Y { get; init; }
+
+    /// <summary>
+    /// Gets the width in pixels.
+    /// </summary>
+    public int Width { get; init; }
+
+    /// <summary>
+    /// Gets the height in pixels.
+    /// </summary>
+    public int Height { get; init; }
+
+    /// <summary>
+    /// Gets the physical width in millimeters.
+    /// </summary>
+    public int PhysicalWidthMm { get; init; }
+
+    /// <summary>
+    /// Gets the physical height in millimeters.
+    /// </summary>
+    public int PhysicalHeightMm { get; init; }
+
+    /// <summary>
+    /// Gets the refresh rate in Hz.
+    /// </summary>
+    public double RefreshRate { get; init; }
+
+    /// <summary>
+    /// Gets the horizontal DPI.
+    /// </summary>
+    public double DpiX
+    {
+        get
+        {
+            if (PhysicalWidthMm <= 0) return 96.0;
+            return Width / (PhysicalWidthMm / 25.4);
+        }
+    }
+
+    /// <summary>
+    /// Gets the vertical DPI.
+    /// </summary>
+    public double DpiY
+    {
+        get
+        {
+            if (PhysicalHeightMm <= 0) return 96.0;
+            return Height / (PhysicalHeightMm / 25.4);
+        }
+    }
+
+    /// <summary>
+    /// Gets the average DPI.
+    /// </summary>
+    public double Dpi => (DpiX + DpiY) / 2.0;
+
+    /// <summary>
+    /// Gets the scale factor based on DPI (1.0 = 96 DPI).
+    /// </summary>
+    public double ScaleFactor => Dpi / 96.0;
+
+    /// <summary>
+    /// Gets the bounds rectangle.
+    /// </summary>
+    public (int X, int Y, int Width, int Height) Bounds => (X, Y, Width, Height);
+
+    public override string ToString()
+    {
+        return $"{Name}: {Width}x{Height}+{X}+{Y} @ {RefreshRate:F1}Hz ({Dpi:F0} DPI){(IsPrimary ? " [Primary]" : "")}";
+    }
+}