OutputTextWriter.cs

   1 //Widgit is free software; you can redistribute it and/or modify
   2 //it under the terms of the GNU General Public License as published by
   3 //the Free Software Foundation; either version 2 of the License, or
   4 //(at your option) any later version.
   5
   6 //Widgit is distributed in the hope that it will be useful,
   7 //but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 //GNU General Public License for more details.
  10
  11 //You should have received a copy of the GNU General Public License
  12 //along with Widgit; if not, write to the Free Software
  13 //Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USAusing System;
  14
  15
  16 using System;
  17 using System.Windows.Forms;
  18 using System.IO;
  19 using System.Threading;
  20 using System.ComponentModel;
  21
  22 namespace Widgit
  23 {
  24
  25
  26         public class OutputTextWriter : System.IO.StringWriter
  27         {
  28         delegate void SetTextCallback(char[] buffer, int index, int count);
  29
  30             ListBox m_listBox;
  31             TextWriter m_realConsole;
  32                 public OutputTextWriter(ListBox b, TextWriter w)
  33                 {
  34                     m_listBox = b;
  35                     m_realConsole = w;
  36                 }
  37
  38         public override void Write(char[] buffer, int index, int count)
  39         {
  40             if (!m_listBox.InvokeRequired)
  41             {
  42                 string s = new string(buffer);
  43                 int start = index > -1 ? index : 0;
  44                 int newcount = count < ((buffer.Length - 1) - start) ? count : ((buffer.Length - 1) - start);
  45                 m_listBox.Items.Add(s.Substring(index, newcount).Trim());
  46                 Application.DoEvents();
  47             }
  48
  49             m_realConsole.Write(buffer, index, count);
  50         }
  51                 public override void Write(string value)
  52                 {
  53                     m_listBox.Items.Add(value);
  54             m_realConsole.Write(value + System.Environment.NewLine);
  55                     Application.DoEvents();
  56                 }
  57
  58                 public void DebugWrite(string value)
  59                 {
  60                     m_listBox.Items.Add(value);
  61                     Application.DoEvents();
  62                 }
  63         }
  64 }