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Use system API to get default font name

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This commit is contained in:
walterlv 2024-03-28 19:20:50 +08:00
parent 5e66765326
commit 8f3e178985
2 changed files with 79 additions and 2 deletions
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6
src/SourceGit/Native/Windows.cs
View file

@ -9,6 +9,8 @@ using Avalonia;
using Avalonia.Controls;
using Avalonia.Media;
using SourceGit.Native.WindowsNative;
namespace SourceGit.Native
{
[SupportedOSPlatform("windows")]
@ -57,8 +59,8 @@ namespace SourceGit.Native
{
builder.With(new FontManagerOptions()
{
DefaultFamilyName = "Microsoft YaHei UI",
FontFallbacks = [new FontFallback { FontFamily = "Microsoft YaHei" }],
DefaultFamilyName = SystemParameters.GetSystemDefaultFontName() ?? "Segoe UI",
FontFallbacks = [new FontFallback { FontFamily = "Segoe UI" }],
});
// Fix drop shadow issue on Windows 10

75
src/SourceGit/Native/WindowsNative/SystemParameters.cs Normal file
View file

@ -0,0 +1,75 @@
#nullable enable
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Text;
using System.Threading.Tasks;
namespace SourceGit.Native.WindowsNative
{
[SupportedOSPlatform("windows")]
internal static class SystemParameters
{
public static string? GetSystemDefaultFontName()
{
var ncm = new NONCLIENTMETRICS
{
cbSize = Marshal.SizeOf(typeof(NONCLIENTMETRICS))
};
return SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, ref ncm, 0)
? ncm.lfMessageFont.lfFaceName
: null;
}
private const int SPI_GETNONCLIENTMETRICS = 0x0029;
[DllImport("user32.dll", CharSet = CharSet.Auto)]
private static extern bool SystemParametersInfo(int uAction, int uParam, ref NONCLIENTMETRICS lpvParam, int fuWinIni);
[StructLayout(LayoutKind.Sequential)]
internal struct NONCLIENTMETRICS
{
public int cbSize;
public int iBorderWidth;
public int iScrollWidth;
public int iScrollHeight;
public int iCaptionWidth;
public int iCaptionHeight;
public LOGFONT lfCaptionFont;
public int iSmCaptionWidth;
public int iSmCaptionHeight;
public LOGFONT lfSmCaptionFont;
public int iMenuWidth;
public int iMenuHeight;
public LOGFONT lfMenuFont;
public LOGFONT lfStatusFont;
public LOGFONT lfMessageFont;
[SupportedOSPlatform("windows6.0.6000" /* Vista */)]
public int iPaddedBorderWidth;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
internal struct LOGFONT
{
public int lfHeight;
public int lfWidth;
public int lfEscapement;
public int lfOrientation;
public int lfWeight;
public byte lfItalic;
public byte lfUnderline;
public byte lfStrikeOut;
public byte lfCharSet;
public byte lfOutPrecision;
public byte lfClipPrecision;
public byte lfQuality;
public byte lfPitchAndFamily;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
public string lfFaceName;
}
}
}