using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;

namespace ScreenConnect;

public class TextBoxForm : Form
{
	private List<string> entries;

	private int nextEntryWriteIndex;

	private TextBox textBox;

	private TextBox filterTextBox;

	public TextBoxForm()
	{
		//IL_002a: Unknown result type (might be due to invalid IL or missing references)
		//IL_002f: Unknown result type (might be due to invalid IL or missing references)
		//IL_0036: Unknown result type (might be due to invalid IL or missing references)
		//IL_003d: Unknown result type (might be due to invalid IL or missing references)
		//IL_0044: Unknown result type (might be due to invalid IL or missing references)
		//IL_004b: Unknown result type (might be due to invalid IL or missing references)
		//IL_0052: Unknown result type (might be due to invalid IL or missing references)
		//IL_0054: Expected O, but got Unknown
		//IL_0059: Expected O, but got Unknown
		//IL_0066: Unknown result type (might be due to invalid IL or missing references)
		//IL_006b: Unknown result type (might be due to invalid IL or missing references)
		//IL_0072: Unknown result type (might be due to invalid IL or missing references)
		//IL_0079: Unknown result type (might be due to invalid IL or missing references)
		//IL_007b: Expected O, but got Unknown
		//IL_0080: Expected O, but got Unknown
		//IL_00a3: Unknown result type (might be due to invalid IL or missing references)
		//IL_00ad: Expected O, but got Unknown
		((Form)this)._002Ector();
		((Control)this).Width = 1600;
		((Control)this).Height = 800;
		((Form)this).KeyPreview = true;
		ControlCollection controls = ((Control)this).Controls;
		TextBox val = new TextBox
		{
			Dock = (DockStyle)5,
			ReadOnly = true,
			Multiline = true,
			WordWrap = false,
			ScrollBars = (ScrollBars)3
		};
		TextBox val2 = val;
		textBox = val;
		controls.Add((Control)(object)val2);
		ControlCollection controls2 = ((Control)this).Controls;
		TextBox val3 = new TextBox
		{
			Visible = false,
			Dock = (DockStyle)2
		};
		val2 = val3;
		filterTextBox = val3;
		controls2.Add((Control)(object)val2);
		((Control)filterTextBox).TextChanged += OnFilterTextBoxTextChanged;
		((Control)textBox).ContextMenuStrip = new ContextMenuStrip();
		((ToolStrip)((Control)textBox).ContextMenuStrip).Items.Add("dummy");
		((ToolStripDropDown)((Control)textBox).ContextMenuStrip).Opening += OnContextMenuStripOpening;
		entries = new List<string>();
		WindowsNative.SetTimer(((Control)this).Handle, IntPtr.Zero, 250u, IntPtr.Zero);
	}

	protected override void WndProc(ref Message m)
	{
		((Form)this).WndProc(ref m);
		if (((Message)(ref m)).Msg != 275)
		{
			return;
		}
		IList<string> list = null;
		lock (entries)
		{
			list = entries.GetRange(nextEntryWriteIndex, entries.Count - nextEntryWriteIndex).ToList();
			nextEntryWriteIndex = entries.Count;
		}
		if (list.Count == 0)
		{
			return;
		}
		StringBuilder stringBuilder = new StringBuilder();
		string text = ((((Control)filterTextBox).Visible && ((Control)filterTextBox).Text != string.Empty) ? ((Control)filterTextBox).Text : null);
		foreach (string item in list)
		{
			try
			{
				if (text == null || Regex.IsMatch(item, text, RegexOptions.IgnoreCase | RegexOptions.Singleline))
				{
					stringBuilder.Append(item);
				}
			}
			catch
			{
			}
		}
		if (stringBuilder.Length != 0)
		{
			int selectionStart = ((TextBoxBase)textBox).SelectionStart;
			int selectionLength = ((TextBoxBase)textBox).SelectionLength;
			((TextBoxBase)textBox).AppendText(stringBuilder.ToString());
			((TextBoxBase)textBox).Select(((TextBoxBase)textBox).TextLength, 0);
			((TextBoxBase)textBox).ScrollToCaret();
			((TextBoxBase)textBox).Select(selectionStart, selectionLength);
		}
	}

	private void OnContextMenuStripOpening(object sender, CancelEventArgs e)
	{
		((ToolStrip)((Control)textBox).ContextMenuStrip).Items.Clear();
		PopulateContextMenuStripItems(((Control)textBox).ContextMenuStrip);
	}

	protected virtual void PopulateContextMenuStripItems(ContextMenuStrip contextMenuStrip)
	{
		//IL_001d: Unknown result type (might be due to invalid IL or missing references)
		//IL_0027: Expected O, but got Unknown
		//IL_002e: Unknown result type (might be due to invalid IL or missing references)
		//IL_0038: Expected O, but got Unknown
		//IL_0053: Unknown result type (might be due to invalid IL or missing references)
		//IL_005d: Expected O, but got Unknown
		//IL_008c: Unknown result type (might be due to invalid IL or missing references)
		//IL_0096: Expected O, but got Unknown
		((ToolStrip)contextMenuStrip).Items.Add((ToolStripItem)new ToolStripMenuItem("Select All", (Image)null, (EventHandler)delegate
		{
			((TextBoxBase)textBox).SelectAll();
		}, (Keys)131137));
		((ToolStrip)contextMenuStrip).Items.Add((ToolStripItem)new ToolStripSeparator());
		((ToolStrip)contextMenuStrip).Items.Add((ToolStripItem)new ToolStripMenuItem("Clear", (Image)null, (EventHandler)delegate
		{
			Clear();
		}, (Keys)113));
		((ToolStrip)contextMenuStrip).Items.Add((ToolStripItem)new ToolStripMenuItem(((Control)filterTextBox).Visible ? "Hide Filter" : "Show Filter", (Image)null, (EventHandler)delegate
		{
			ToggleFilter();
		}, (Keys)114));
	}

	protected override void OnKeyDown(KeyEventArgs e)
	{
		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
		//IL_000f: Invalid comparison between Unknown and I4
		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
		//IL_0020: Invalid comparison between Unknown and I4
		//IL_0032: Unknown result type (might be due to invalid IL or missing references)
		//IL_0039: Invalid comparison between Unknown and I4
		((Control)this).OnKeyDown(e);
		if ((int)e.KeyCode == 113)
		{
			Clear();
		}
		else if ((int)e.KeyCode == 114)
		{
			ToggleFilter();
		}
		else if (e.Control && (int)e.KeyCode == 65)
		{
			((TextBoxBase)textBox).SelectAll();
		}
	}

	private void ToggleFilter()
	{
		lock (entries)
		{
			((Control)filterTextBox).Visible = !((Control)filterTextBox).Visible;
			((TextBoxBase)textBox).Clear();
			nextEntryWriteIndex = 0;
			((TextBoxBase)filterTextBox).SelectAll();
			((Control)filterTextBox).Focus();
		}
	}

	private void OnFilterTextBoxTextChanged(object sender, EventArgs e)
	{
		lock (entries)
		{
			((TextBoxBase)textBox).Clear();
			nextEntryWriteIndex = 0;
		}
	}

	public void Clear()
	{
		lock (entries)
		{
			((TextBoxBase)textBox).Clear();
			entries.Clear();
			nextEntryWriteIndex = 0;
		}
	}

	public void Write(string message)
	{
		lock (entries)
		{
			entries.Add(message);
		}
	}
}