context: //=================================================================
  // cwedit.cs
  //=================================================================
  // PowerSDR is a C# implementation of a Software Defined Radio.
  // Copyright (C) 2005, 2006  Richard Allen
  //
  // This program is free software; you can redistribute it and/or
  // modify it under the terms of the GNU General Public License
  // as published by the Free Software Foundation; either version 2
  // of the License, or (at your option) any later version.
  //
  // This program is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  // GNU General Public License for more details.
  //
  // You should have received a copy of the GNU General Public License
  // along with this program; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  //
  // You may contact us via email at: sales@flex-radio.com.
  // Paper mail may be sent to: 
  //    FlexRadio Systems
  //    8900 Marybank Dr.
  //    Austin, TX 78750
  //    USA
  //=================================================================
  
  using System;
  using System.Drawing;
  using System.Diagnostics;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  
  namespace PowerSDR
  {
  	/// <summary>
  	/// Summary description for cwedit.
  	/// </summary>
  	public class cwedit : System.Windows.Forms.Form
  	{
  		#region startup/exit stuff
  		private System.ComponentModel.IContainer components;
  		private System.Windows.Forms.TextBox txtElements;
  		private System.Windows.Forms.TextBox txtComments;
  		private System.Windows.Forms.Label label2;
  		private System.Windows.Forms.Label label3;
  		private System.Windows.Forms.Label label4;
  		private System.Windows.Forms.Button saveButton;
  		private System.Windows.Forms.Label label5;
  		private System.Windows.Forms.ToolTip toolTip1;
  		private System.Windows.Forms.Button cancelButton;
  		private System.Windows.Forms.TextBox txtOriginal;
  		private System.Windows.Forms.TextBox txtCurrent;
  		private Console console;
  
  		public cwedit(Console c)
  		{
  			//
  			// Required for Windows Form Designer support
  			//
  			InitializeComponent();
  			console = c;
  			//
  			// TODO: Add any constructor code after InitializeComponent call
  			//
  		}
  
  		/// <summary>
  		/// Clean up any resources being used.
  		/// </summary>
  		protected override void Dispose( bool disposing )
  		{
  			if( disposing )
  			{
  				if(components != null)
  				{
  					components.Dispose();
  				}
  			}
  			base.Dispose( disposing );
  		}
  		#endregion
  
  		#region Windows Form Designer generated code
  		/// <summary>
  		/// Required method for Designer support - do not modify
  		/// the contents of this method with the code editor.
  		/// </summary>
  		private void InitializeComponent()
  		{
  			this.components = new System.ComponentModel.Container();
  			this.saveButton = new System.Windows.Forms.Button();
  			this.txtElements = new System.Windows.Forms.TextBox();
  			this.txtComments = new System.Windows.Forms.TextBox();
  			this.label2 = new System.Windows.Forms.Label();
  			this.label3 = new System.Windows.Forms.Label();
  			this.label4 = new System.Windows.Forms.Label();
  			this.label5 = new System.Windows.Forms.Label();
  			this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
  			this.cancelButton = new System.Windows.Forms.Button();
  			this.txtOriginal = new System.Windows.Forms.TextBox();
  			this.txtCurrent = new System.Windows.Forms.TextBox();
  			this.SuspendLayout();
  			// 
  			// saveButton
  			// 
  			this.saveButton.Location = new System.Drawing.Point(192, 200);
  			this.saveButton.Name = "saveButton";
  			this.saveButton.Size = new System.Drawing.Size(64, 24);
  			this.saveButton.TabIndex = 0;
  			this.saveButton.Text = "Save";
  			this.toolTip1.SetToolTip(this.saveButton, " Save new definition and exit.");
  			this.saveButton.Click += new System.EventHandler(this.saveButton_Click);
  			// 
  			// txtElements
  			// 
  			this.txtElements.Font = new System.Drawing.Font("Courier New", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
  			this.txtElements.Location = new System.Drawing.Point(40, 152);
  			this.txtElements.MaxLength = 10;
  			this.txtElements.Name = "txtElements";
  			this.txtElements.Size = new System.Drawing.Size(80, 21);
  			this.txtElements.TabIndex = 1;
  			this.txtElements.Text = "---...---";
  			this.toolTip1.SetToolTip(this.txtElements, " The Morse dots and dashes up to nine.");
  			this.txtElements.Leave += new System.EventHandler(this.txtElements_Leave);
  			// 
  			// txtComments
  			// 
  			this.txtComments.Font = new System.Drawing.Font("Courier New", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
  			this.txtComments.Location = new System.Drawing.Point(40, 208);
  			this.txtComments.MaxLength = 11;
  			this.txtComments.Name = "txtComments";
  			this.txtComments.Size = new System.Drawing.Size(80, 21);
  			this.txtComments.TabIndex = 2;
  			this.txtComments.Text = "0123456789";
  			this.toolTip1.SetToolTip(this.txtComments, " Any comments up to ten characters.");
  			this.txtComments.Leave += new System.EventHandler(this.txtComments_Leave);
  			// 
  			// label2
  			// 
  			this.label2.Location = new System.Drawing.Point(40, 176);
  			this.label2.Name = "label2";
  			this.label2.Size = new System.Drawing.Size(56, 16);
  			this.label2.TabIndex = 4;
  			this.label2.Text = "Elements";
  			// 
  			// label3
  			// 
  			this.label3.Location = new System.Drawing.Point(40, 232);
  			this.label3.Name = "label3";
  			this.label3.Size = new System.Drawing.Size(72, 16);
  			this.label3.TabIndex = 5;
  			this.label3.Text = "Comments";
  			// 
  			// label4
  			// 
  			this.label4.Location = new System.Drawing.Point(40, 52);
  			this.label4.Name = "label4";
  			this.label4.Size = new System.Drawing.Size(120, 16);
  			this.label4.TabIndex = 6;
  			this.label4.Text = "Original Definition";
  			// 
  			// label5
  			// 
  			this.label5.Location = new System.Drawing.Point(40, 104);
  			this.label5.Name = "label5";
  			this.label5.Size = new System.Drawing.Size(96, 16);
  			this.label5.TabIndex = 8;
  			this.label5.Text = "Current Definition";
  			// 
  			// cancelButton
  			// 
  			this.cancelButton.Location = new System.Drawing.Point(192, 160);
  			this.cancelButton.Name = "cancelButton";
  			this.cancelButton.Size = new System.Drawing.Size(64, 24);
  			this.cancelButton.TabIndex = 9;
  			this.cancelButton.Text = "Cancel";
  			this.toolTip1.SetToolTip(this.cancelButton, "Cancel and quite without changes.");
  			this.cancelButton.Click += new System.EventHandler(this.cancelButton_Click);
  			// 
  			// txtOriginal
  			// 
  			this.txtOriginal.Font = new System.Drawing.Font("Courier New", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
  			this.txtOriginal.Location = new System.Drawing.Point(40, 32);
  			this.txtOriginal.Name = "txtOriginal";
  			this.txtOriginal.ReadOnly = true;
  			this.txtOriginal.Size = new System.Drawing.Size(216, 21);
  			this.txtOriginal.TabIndex = 10;
  			this.txtOriginal.Text = "txtOriginal";
  			this.toolTip1.SetToolTip(this.txtOriginal, " The original definition line.");
  			// 
  			// txtCurrent
  			// 
  			this.txtCurrent.Font = new System.Drawing.Font("Courier New", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
  			this.txtCurrent.Location = new System.Drawing.Point(40, 80);
  			this.txtCurrent.Name = "txtCurrent";
  			this.txtCurrent.ReadOnly = true;
  			this.txtCurrent.Size = new System.Drawing.Size(216, 21);
  			this.txtCurrent.TabIndex = 11;
  			this.txtCurrent.Text = "txtCurrent";
  			this.toolTip1.SetToolTip(this.txtCurrent, " The current definition line.");
  			// 
  			// cwedit
  			// 
  			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
  			this.ClientSize = new System.Drawing.Size(290, 258);
  			this.ControlBox = false;
  			this.Controls.Add(this.txtCurrent);
  			this.Controls.Add(this.txtOriginal);
  			this.Controls.Add(this.cancelButton);
  			this.Controls.Add(this.label5);
  			this.Controls.Add(this.label4);
  			this.Controls.Add(this.label3);
  			this.Controls.Add(this.label2);
  			this.Controls.Add(this.txtComments);
  			this.Controls.Add(this.txtElements);
  			this.Controls.Add(this.saveButton);
  			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
  			this.Name = "cwedit";
  			this.Text = " CW definition editor ...";
  			this.Load += new System.EventHandler(this.cwedit_Load);
  			this.ResumeLayout(false);
  
  		}
  		#endregion
  
  		#region Morse code definition editor
  
  		private string sedit;
  
             		   //           11111111112222222222
  		           // 012345678901234567890123456789
  	//	sw.WriteLine("37|%|.-...    | [AS]      ");
  	//	sw.WriteLine("38|&|.........| 0123456789");
  	//	sw.WriteLine("39|'|         |           ");
  	//	sw.WriteLine("40|(|-.--.    | [KN]      ");
  	//	sw.WriteLine("41|)|         |           ");
  
          private string id,els,cmnts;
  
  		private void extract_fields()
  		{
  			id = sedit.Substring(0,5);
  			els = sedit.Substring(5,9);
  		//	Debug.WriteLine(sedit.Length);
  			cmnts = sedit.Substring(16,10);
  		}
  
  		private void make_current()
  		{
  			txtCurrent.Text = id + els + "| " + cmnts;
  //			Debug.WriteLine("'" + txtCurrent.Text + "' " + txtCurrent.Text.Length);
  		}
  
  		private void cwedit_Load(object sender, System.EventArgs e)
  		{
  			sedit = console.CWXForm.editline;
  
  			txtOriginal.Text = sedit;
  			
  	//		Debug.WriteLine("enter '" + sedit + "' "+ sedit.Length);
  			extract_fields();
  			txtElements.Text = els;
  			txtComments.Text = cmnts;
  			make_current();
  		}
  
  		private void saveButton_Click(object sender, System.EventArgs e)
  		{
  			console.CWXForm.editline = txtCurrent.Text;
  			this.Close();
  		}
  
  		private void cancelButton_Click(object sender, System.EventArgs e)
  		{
  			if (MessageBox.Show ("Do you want to exit without saving?", " CW Editor",
  				MessageBoxButtons.YesNo, MessageBoxIcon.Question)
  				== DialogResult.Yes)
  			{
  				console.CWXForm.editline = "";
  				this.Close();
  			}
  		}
  
  
  		private string slen(string s,int len)
  		{
  			if (s.Length < len) return (s.PadRight(len,' '));
  			if (s.Length > len) return (s.Substring(0,len));
  			return (s);
  		}
  
  		private void txtComments_Leave(object sender, System.EventArgs e)
  		{
  			string s;
  
  			s = txtComments.Text;
  
gt: 			s = slen(s,10);