VenomRat

Helper/WordTextBox.cs

@@ -0,0 +1,227 @@
+using System;
+using System.ComponentModel;
+using System.Globalization;
+using System.Windows.Forms;
+using DevExpress.XtraEditors;
+
+namespace Server.Helper;
+
+public class WordTextBox : TextEdit
+{
+	public enum WordType
+	{
+		DWORD,
+		QWORD
+	}
+
+	private bool isHexNumber;
+
+	private WordType type;
+
+	private IContainer components;
+
+	public int MaxLength
+	{
+		get
+		{
+			return base.Properties.MaxLength;
+		}
+		set
+		{
+			base.Properties.MaxLength = value;
+		}
+	}
+
+	public bool IsHexNumber
+	{
+		get
+		{
+			return isHexNumber;
+		}
+		set
+		{
+			if (isHexNumber == value)
+			{
+				return;
+			}
+			if (value)
+			{
+				if (Type == WordType.DWORD)
+				{
+					Text = UIntValue.ToString("x");
+				}
+				else
+				{
+					Text = ULongValue.ToString("x");
+				}
+			}
+			else if (Type == WordType.DWORD)
+			{
+				Text = UIntValue.ToString();
+			}
+			else
+			{
+				Text = ULongValue.ToString();
+			}
+			isHexNumber = value;
+			UpdateMaxLength();
+		}
+	}
+
+	public WordType Type
+	{
+		get
+		{
+			return type;
+		}
+		set
+		{
+			if (type != value)
+			{
+				type = value;
+				UpdateMaxLength();
+			}
+		}
+	}
+
+	public uint UIntValue
+	{
+		get
+		{
+			try
+			{
+				if (string.IsNullOrEmpty(Text))
+				{
+					return 0u;
+				}
+				if (IsHexNumber)
+				{
+					return uint.Parse(Text, NumberStyles.HexNumber);
+				}
+				return uint.Parse(Text);
+			}
+			catch (Exception)
+			{
+				return uint.MaxValue;
+			}
+		}
+	}
+
+	public ulong ULongValue
+	{
+		get
+		{
+			try
+			{
+				if (string.IsNullOrEmpty(Text))
+				{
+					return 0uL;
+				}
+				if (IsHexNumber)
+				{
+					return ulong.Parse(Text, NumberStyles.HexNumber);
+				}
+				return ulong.Parse(Text);
+			}
+			catch (Exception)
+			{
+				return ulong.MaxValue;
+			}
+		}
+	}
+
+	public bool IsConversionValid()
+	{
+		if (string.IsNullOrEmpty(Text))
+		{
+			return true;
+		}
+		if (!IsHexNumber)
+		{
+			return ConvertToHex();
+		}
+		return true;
+	}
+
+	public WordTextBox()
+	{
+		InitializeComponent();
+		MaxLength = 8;
+	}
+
+	protected override void OnKeyPress(KeyPressEventArgs e)
+	{
+		base.OnKeyPress(e);
+		e.Handled = !IsValidChar(e.KeyChar);
+	}
+
+	private bool IsValidChar(char ch)
+	{
+		if (!char.IsControl(ch) && !char.IsDigit(ch))
+		{
+			if (IsHexNumber && char.IsLetter(ch))
+			{
+				return char.ToLower(ch) <= 'f';
+			}
+			return false;
+		}
+		return true;
+	}
+
+	private void UpdateMaxLength()
+	{
+		if (Type == WordType.DWORD)
+		{
+			if (IsHexNumber)
+			{
+				MaxLength = 8;
+			}
+			else
+			{
+				MaxLength = 10;
+			}
+		}
+		else if (IsHexNumber)
+		{
+			MaxLength = 16;
+		}
+		else
+		{
+			MaxLength = 20;
+		}
+	}
+
+	private bool ConvertToHex()
+	{
+		try
+		{
+			if (Type == WordType.DWORD)
+			{
+				uint.Parse(Text);
+			}
+			else
+			{
+				ulong.Parse(Text);
+			}
+			return true;
+		}
+		catch (Exception)
+		{
+			return false;
+		}
+	}
+
+	protected override void Dispose(bool disposing)
+	{
+		if (disposing && components != null)
+		{
+			components.Dispose();
+		}
+		base.Dispose(disposing);
+	}
+
+	private void InitializeComponent()
+	{
+		this.components = new System.ComponentModel.Container();
+	}
+}