initial commit

Crysome.Client/Crysome.Client.Util/ClipboardSta.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Concurrent;
+using System.Threading;
+using System.Windows.Forms;
+
+namespace Crysome.Client.Util;
+
+internal static class ClipboardSta
+{
+	private static readonly BlockingCollection<Action> Queue;
+
+	private static readonly Thread Thread;
+
+	static ClipboardSta()
+	{
+		Queue = new BlockingCollection<Action>();
+		Thread = new Thread(Worker)
+		{
+			IsBackground = true,
+			Name = "CryClip"
+		};
+		Thread.SetApartmentState(ApartmentState.STA);
+		Thread.Start();
+	}
+
+	private static void Worker()
+	{
+		foreach (Action item in Queue.GetConsumingEnumerable())
+		{
+			try
+			{
+				item();
+			}
+			catch
+			{
+			}
+		}
+	}
+
+	public static string GetTextTruncated(int maxChars)
+	{
+		string[] box = new string[1];
+		ManualResetEventSlim done = new ManualResetEventSlim(initialState: false);
+		Queue.Add(delegate
+		{
+			try
+			{
+				if (Clipboard.ContainsText())
+				{
+					string text = Clipboard.GetText() ?? "";
+					if (text.Length > maxChars)
+					{
+						text = text.Substring(0, maxChars) + "…";
+					}
+					box[0] = text;
+				}
+				else
+				{
+					box[0] = "";
+				}
+			}
+			catch
+			{
+				box[0] = "";
+			}
+			finally
+			{
+				done.Set();
+			}
+		});
+		done.Wait(3000);
+		return box[0] ?? "";
+	}
+}

Crysome.Client/Crysome.Client.Util/ShellSmallIconPng.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace Crysome.Client.Util;
+
+internal static class ShellSmallIconPng
+{
+	private struct SHFILEINFO
+	{
+		public IntPtr hIcon;
+
+		public int iIcon;
+
+		public uint dwAttributes;
+
+		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
+		public string szDisplayName;
+
+		[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
+		public string szTypeName;
+	}
+
+	private const uint SHGFI_ICON = 256u;
+
+	private const uint SHGFI_SMALLICON = 1u;
+
+	private const uint SHGFI_USEFILEATTRIBUTES = 16u;
+
+	private const uint FILE_ATTRIBUTE_DIRECTORY = 16u;
+
+	[DllImport("shell32.dll", CharSet = CharSet.Auto)]
+	private static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbFileInfo, uint uFlags);
+
+	[DllImport("user32.dll", CharSet = CharSet.Auto)]
+	private static extern bool DestroyIcon(IntPtr hIcon);
+
+	public static byte[] TryGetPng(string fullPath, bool isDirectory)
+	{
+		if (string.IsNullOrEmpty(fullPath))
+		{
+			return null;
+		}
+		try
+		{
+			if (!isDirectory && File.Exists(fullPath))
+			{
+				using (Icon icon = Icon.ExtractAssociatedIcon(fullPath))
+				{
+					if (icon == null)
+					{
+						return null;
+					}
+					return IconToPng(icon);
+				}
+			}
+			SHFILEINFO psfi = default(SHFILEINFO);
+			uint dwFileAttributes = (isDirectory ? 16u : 0u);
+			if (SHGetFileInfo(fullPath, dwFileAttributes, ref psfi, (uint)Marshal.SizeOf<SHFILEINFO>(), 273u) == IntPtr.Zero || psfi.hIcon == IntPtr.Zero)
+			{
+				return null;
+			}
+			IntPtr hIcon = psfi.hIcon;
+			try
+			{
+				using Icon icon2 = Icon.FromHandle(hIcon);
+				using Icon ico = (Icon)icon2.Clone();
+				return IconToPng(ico);
+			}
+			finally
+			{
+				DestroyIcon(hIcon);
+			}
+		}
+		catch
+		{
+			return null;
+		}
+	}
+
+	private static byte[] IconToPng(Icon ico)
+	{
+		using Bitmap bitmap = ico.ToBitmap();
+		using MemoryStream memoryStream = new MemoryStream();
+		bitmap.Save(memoryStream, ImageFormat.Png);
+		return memoryStream.ToArray();
+	}
+}