open-maui/OpenMaui
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Fixes for taskbar app

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This commit is contained in:
David H. Friedel Jr.
2026-01-24 06:55:59 +00:00
parent f1e3630d1b
commit 675673f026
5 changed files with 68 additions and 0 deletions
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3
Interop/X11.cs
View File

@@ -88,6 +88,9 @@ internal static partial class X11
[LibraryImport(LibX11, StringMarshalling = StringMarshalling.Utf8)]
public static partial int XStoreName(IntPtr display, IntPtr window, string windowName);
[LibraryImport(LibX11)]
public static partial int XSetClassHint(IntPtr display, IntPtr window, ref XClassHint classHint);
[LibraryImport(LibX11)]
public static partial int XRaiseWindow(IntPtr display, IntPtr window);

13
Interop/XClassHint.cs Normal file
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@@ -0,0 +1,13 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Runtime.InteropServices;
namespace Microsoft.Maui.Platform.Linux.Interop;
[StructLayout(LayoutKind.Sequential)]
public struct XClassHint
{
public IntPtr res_name;
public IntPtr res_class;
}

12
LinuxApplication.cs
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@@ -265,6 +265,18 @@ public class LinuxApplication : IDisposable
Console.WriteLine("[LinuxApplication] GTK pre-initialized for WebView support");
}
// Set application name for desktop integration (taskbar, etc.)
// Try to get the name from environment or use executable name
string? appName = Environment.GetEnvironmentVariable("APPIMAGE_NAME");
if (string.IsNullOrEmpty(appName))
{
appName = Path.GetFileNameWithoutExtension(Environment.ProcessPath ?? "MauiApp");
}
string prgName = appName.Replace(" ", "");
GtkNative.g_set_prgname(prgName);
GtkNative.g_set_application_name(appName);
Console.WriteLine($"[LinuxApplication] Set application name: {appName} (prgname: {prgName})");
// Initialize dispatcher
LinuxDispatcher.Initialize();
DispatcherProvider.SetCurrent(LinuxDispatcherProvider.Instance);

6
Native/GtkNative.cs
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@@ -42,6 +42,12 @@ internal static class GtkNative
[DllImport("libgtk-3.so.0")]
public static extern void gtk_window_set_title(IntPtr window, string title);
[DllImport("libglib-2.0.so.0")]
public static extern void g_set_prgname(string name);
[DllImport("libglib-2.0.so.0")]
public static extern void g_set_application_name(string name);
[DllImport("libgtk-3.so.0")]
public static extern void gtk_window_set_default_size(IntPtr window, int width, int height);

34
Window/X11Window.cs
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@@ -150,6 +150,9 @@ public class X11Window : IDisposable
// Set window title
X11.XStoreName(_display, _window, title);
// Set WM_CLASS for desktop integration (taskbar icon matching)
SetWMClass(title.Replace(" ", ""), title.Replace(" ", ""));
// Select input events
X11.XSelectInput(_display, _window,
XEventMask.KeyPressMask |
@@ -196,6 +199,37 @@ public class X11Window : IDisposable
}
}
/// <summary>
/// Sets the WM_CLASS property for desktop integration.
/// This allows the desktop to match the window to its .desktop file.
/// </summary>
public void SetWMClass(string resName, string resClass)
{
IntPtr namePtr = IntPtr.Zero;
IntPtr classPtr = IntPtr.Zero;
try
{
namePtr = System.Runtime.InteropServices.Marshal.StringToHGlobalAnsi(resName);
classPtr = System.Runtime.InteropServices.Marshal.StringToHGlobalAnsi(resClass);
var classHint = new XClassHint
{
res_name = namePtr,
res_class = classPtr
};
X11.XSetClassHint(_display, _window, ref classHint);
Console.WriteLine($"[X11Window] Set WM_CLASS: {resName}, {resClass}");
}
finally
{
if (namePtr != IntPtr.Zero)
System.Runtime.InteropServices.Marshal.FreeHGlobal(namePtr);
if (classPtr != IntPtr.Zero)
System.Runtime.InteropServices.Marshal.FreeHGlobal(classPtr);
}
}
/// <summary>
/// Sets the window icon from a file. Supports both raster images and SVG.
/// </summary>