removed splitted CrowIDE

9 files changed, 0 insertions, 2004 deletions

diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/CodeBuffer.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/CodeBuffer.cs
deleted file mode 100644
index 7d5efec9..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/CodeBuffer.cs
+++ /dev/null
@@ -1,530 +0,0 @@
-//
-//  CodeTextBuffer.cs
-//
-//  Author:
-//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
-//
-//  Copyright (c) 2017 jp
-//
-//  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 3 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, see <http://www.gnu.org/licenses/>.
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text.RegularExpressions;
-using System.Diagnostics;
-using System.Threading;
-
-namespace Crow.Coding
-{
-	/// <summary>
-	/// Code buffer, lines are arranged in a List<string>, new line chars are removed during string.split on '\n...',
-	/// </summary>
-	public class CodeBuffer
-	{
-		public ReaderWriterLockSlim editMutex = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
-
-		//those events are handled in SourceEditor to help keeping sync between textbuffer,parser and editor.
-		//modified lines are marked for reparse
-		#region Events
-		public event EventHandler<CodeBufferEventArgs> LineUpadateEvent;
-		public event EventHandler<CodeBufferEventArgs> LineRemoveEvent;
-		public event EventHandler<CodeBufferEventArgs> LineAdditionEvent;
-		public event EventHandler<CodeBufferEventArgs> FoldingEvent;
-		public event EventHandler BufferCleared;
-		public event EventHandler SelectionChanged;
-		public event EventHandler PositionChanged;
-		#endregion
-
-		string lineBreak = Interface.LineBreak;
-		List<CodeLine> lines = new List<CodeLine>();
-		public int longestLineIdx = 0;
-		public int longestLineCharCount = 0;
-		/// <summary>
-		/// real position in char arrays, tab = 1 char
-		/// </summary>
-		int _currentLine = 0;
-		int _currentCol = 0;
-
-		public int LineCount { get { return lines.Count;}}
-		public int IndexOf (CodeLine cl) {
-			return lines.IndexOf (cl);
-		}
-
-		public CodeLine this[int i]
-		{
-			get { return i < LineCount ? lines[i] : null; }
-			set {
-				if (lines [i] == value)
-					return;
-				editMutex.EnterWriteLock ();
-				lines [i] = value;
-				editMutex.ExitWriteLock ();
-				LineUpadateEvent.Raise (this, new CodeBufferEventArgs (i));
-			}
-		}
-
-		public void RemoveAt(int i){
-			editMutex.EnterWriteLock ();
-			lines.RemoveAt (i);
-			editMutex.ExitWriteLock ();
-			LineRemoveEvent.Raise (this, new CodeBufferEventArgs (i));
-		}
-		public void Insert(int i, string item){
-			editMutex.EnterWriteLock ();
-			lines.Insert (i, item);
-			editMutex.ExitWriteLock ();
-			LineAdditionEvent.Raise (this, new CodeBufferEventArgs (i));
-		}
-		public void Add(CodeLine item){
-			editMutex.EnterWriteLock ();
-			lines.Add (item);
-			editMutex.ExitWriteLock ();
-			LineAdditionEvent.Raise (this, new CodeBufferEventArgs (lines.Count - 1));
-		}
-		public void AddRange (string[] items){
-			int start = lines.Count;
-			editMutex.EnterWriteLock ();
-			for (int i = 0; i < items.Length; i++)
-				lines.Add (items [i]);
-			editMutex.ExitWriteLock ();
-			LineAdditionEvent.Raise (this, new CodeBufferEventArgs (start, items.Length));
-		}
-		public void AddRange (CodeLine[] items){
-			int start = lines.Count;
-			editMutex.EnterWriteLock ();
-			lines.AddRange (items);
-			editMutex.ExitWriteLock ();
-			LineAdditionEvent.Raise (this, new CodeBufferEventArgs (start, items.Length));
-		}
-		public void Clear () {
-			editMutex.EnterWriteLock ();
-			longestLineCharCount = 0;
-			lines.Clear ();
-			editMutex.ExitWriteLock ();
-			BufferCleared.Raise (this, null);
-		}
-		public void UpdateLine(int i, string newContent){
-			editMutex.EnterWriteLock ();
-			this [i].Content = newContent;
-			editMutex.ExitWriteLock ();
-			LineUpadateEvent.Raise (this, new CodeBufferEventArgs (i));
-		}
-		public void AppenedLine(int i, string newContent){
-			editMutex.EnterWriteLock ();
-			this [i].Content += newContent;
-			editMutex.ExitWriteLock ();
-			LineUpadateEvent.Raise (this, new CodeBufferEventArgs (i));
-		}
-		public void RemoveLeadingTab (int l) {
-			if (this [l] [0] == '\t') {
-				UpdateLine (l, this [l].Content.Substring (1));
-				return;
-			}
-			int i = 0;
-			while (i < Interface.TabSize) {
-				if (this [l] [i] != ' ')
-					break;
-				i++;
-			}
-			if (i > 0)
-				UpdateLine (l, this [l].Content.Substring (i));
-		}
-		public void ToogleFolding (int line) {
-			if (!this [line].IsFoldable)
-				return;
-			editMutex.EnterWriteLock ();
-			this [line].IsFolded = !this [line].IsFolded;
-			editMutex.ExitWriteLock ();
-			FoldingEvent.Raise (this, new CodeBufferEventArgs (line));
-		}
-		public void Load(string rawSource, string lineBrkRegex = @"\r\n|\r|\n|\\\n") {
-			this.Clear();
-
-			if (string.IsNullOrEmpty (rawSource))
-				return;
-
-			AddRange (Regex.Split (rawSource, lineBrkRegex));
-
-			lineBreak = detectLineBreakKind (rawSource);
-		}
-
-		/// <summary>
-		/// Finds the longest visual line as printed on screen with tabulation replaced with n spaces
-		/// </summary>
-		public void FindLongestVisualLine(){
-			longestLineCharCount = 0;
-			editMutex.EnterReadLock ();
-			for (int i = 0; i < this.LineCount; i++) {
-				if (lines[i].PrintableLength > longestLineCharCount) {
-					longestLineCharCount = lines[i].PrintableLength;
-					longestLineIdx = i;
-				}
-			}
-			editMutex.ExitReadLock ();
-			//Debug.WriteLine ("Longest line: {0}->{1}", longestLineIdx, longestLineCharCount);
-		}
-		/// <summary> line break could be '\r' or '\n' or '\r\n' </summary>
-		static string detectLineBreakKind(string buffer){
-			string strLB = "";
-
-			if (string.IsNullOrEmpty(buffer))
-				return Interface.LineBreak;
-			int i = 0;
-			while ( i < buffer.Length) {
-				if (buffer [i] == '\r') {
-					strLB += '\r';
-					i++;
-				}
-				if (i < buffer.Length) {
-					if (buffer [i] == '\r')
-						return "\r";
-					if (buffer[i] == '\n')
-						strLB += '\n';
-				}
-				if (!string.IsNullOrEmpty (strLB))
-					return strLB;
-				i++;
-			}
-			return Interface.LineBreak;
-		}
-		/// <summary>
-		/// return all lines with linebreaks
-		/// </summary>
-		public string FullText{
-			get {
-				if (lines.Count == 0)
-					return "";
-				string tmp = "";
-				editMutex.EnterReadLock ();
-				for (int i = 0; i < lines.Count -1; i++)
-					tmp += lines [i].Content + this.lineBreak;
-				tmp += lines [lines.Count - 1].Content;
-				editMutex.ExitReadLock ();
-				return tmp;
-			}
-		}
-
-		/// <summary>
-		/// unfolded and not in folds line count
-		/// </summary>
-		public int UnfoldedLines {
-			get {
-				int i = 0, vl = 0;
-				editMutex.EnterReadLock ();
-				while (i < LineCount) {
-					if (this [i].IsFolded) {
-						i = GetEndNodeIndex (i);
-						if (i < 0) {
-							Console.WriteLine ("error folding");
-							break;
-						}
-					}
-					i++;
-					vl++;
-				}
-				editMutex.ExitReadLock ();
-				//Debug.WriteLine ("unfolded lines: " + vl);
-				return vl;
-			}
-		}
-
-		/// <summary>
-		/// convert visual position to buffer position
-		/// </summary>
-		Point getBuffPos (Point visualPos) {
-			int i = 0;
-			int buffCol = 0;
-			while (i < visualPos.X) {
-				if (this [visualPos.Y] [buffCol] == '\t')
-					i += Interface.TabSize;
-				else
-					i++;
-				buffCol++;
-			}
-			return new Point (buffCol, visualPos.Y);
-		}
-
-		public int GetEndNodeIndex (int line) {
-			return IndexOf (this [line].SyntacticNode.EndLine);
-		}
-
-		int ConverteTabulatedPosOfCurLine (int column) {
-			int tmp = 0;
-			int i = 0;
-			while (i < lines [_currentLine].Content.Length){
-				if (lines [_currentLine].Content [i] == '\t')
-					tmp += 4;
-				else
-					tmp++;
-				if (tmp > column)
-					break;
-				i++;
-			}
-			return i;
-		}
-
-		public int CurrentTabulatedColumn {
-			get {
-				return lines [_currentLine].Content.Substring (0, _currentCol).
-					Replace ("\t", new String (' ', Interface.TabSize)).Length;
-			}
-		}
-		/// <summary>
-		/// Gets visual position computed from actual buffer position
-		/// </summary>
-//		public Point TabulatedPosition {
-//			get { return new Point (TabulatedColumn, _currentLine); }
-//		}
-		/// <summary>
-		/// set buffer current position from visual position
-		/// </summary>
-//		public void SetBufferPos(Point tabulatedPosition) {
-//			CurrentPosition = getBuffPos(tabulatedPosition);
-//		}
-
-		#region Editing and moving cursor
-		Point selStartPos = -1;	//selection start (row,column)
-		Point selEndPos = -1;	//selection end (row,column)
-
-		public bool SelectionInProgress { get { return selStartPos >= 0; }}
-		public void SetSelStartPos () {
-			selStartPos = selEndPos = CurrentPosition;
-			SelectionChanged.Raise (this, null);
-		}
-		public void SetSelEndPos () {
-			selEndPos = CurrentPosition;
-			SelectionChanged.Raise (this, null);
-		}
-		public void SetSelectionOnFullLines () {
-			if (!SelectionInProgress)
-				return;
-			Point s = new Point (0, SelectionStart.Y);
-			Point e = new Point (this [SelectionEnd.Y].Length, SelectionEnd.Y);
-			selStartPos = s;
-			selEndPos = e;
-			SelectionChanged.Raise (this, null);
-		}
-		/// <summary>
-		/// Set selection in buffer to -1, empty selection
-		/// </summary>
-		public void ResetSelection () {
-			selStartPos = selEndPos = -1;
-			SelectionChanged.Raise (this, null);
-		}
-
-		public string SelectedText {
-			get {
-				if (SelectionIsEmpty)
-					return "";
-				Point selStart = SelectionStart;
-				Point selEnd = SelectionEnd;
-				if (selStart.Y == selEnd.Y)
-					return this [selStart.Y].Content.Substring (selStart.X, selEnd.X - selStart.X);
-				string tmp = "";
-				tmp = this [selStart.Y].Content.Substring (selStart.X);
-				for (int l = selStart.Y + 1; l < selEnd.Y; l++) {
-					tmp += Interface.LineBreak + this [l].Content;
-				}
-				tmp += Interface.LineBreak + this [selEnd.Y].Content.Substring (0, selEnd.X);
-				return tmp;
-			}
-		}
-		/// <summary>
-		/// ordered selection start and end positions in char units
-		/// </summary>
-		public Point SelectionStart	{
-			get { return selEndPos < 0 || selStartPos.Y < selEndPos.Y ? selStartPos :
-					selStartPos.Y > selEndPos.Y ? selEndPos :
-					selStartPos.X < selEndPos.X ? selStartPos : selEndPos; }
-		}
-		public Point SelectionEnd {
-			get { return selEndPos < 0 || selStartPos.Y > selEndPos.Y ? selStartPos :
-					selStartPos.Y < selEndPos.Y ? selEndPos :
-					selStartPos.X > selEndPos.X ? selStartPos : selEndPos; }
-		}
-		public bool SelectionIsEmpty
-		{ get { return selEndPos == selStartPos; } }
-		int requestedColumn = -1;
-		/// <summary>
-		/// Current column in buffer coordinate, tabulation = 1 char
-		/// </summary>
-		public int CurrentColumn{
-			get { return _currentCol; }
-			set {
-				if (value == _currentCol)
-					return;
-
-				editMutex.EnterReadLock ();
-
-				if (value < 0)
-					_currentCol = 0;
-				else if (value > lines [_currentLine].Length)
-					_currentCol = lines [_currentLine].Length;
-				else
-					_currentCol = value;
-
-				requestedColumn = CurrentTabulatedColumn;
-
-				editMutex.ExitReadLock ();
-
-				PositionChanged.Raise (this, null);
-			}
-		}
-		/// <summary>
-		/// Current row in buffer coordinate, tabulation = 1 char
-		/// </summary>
-		public int CurrentLine{
-			get { return _currentLine; }
-			set {
-				if (value == _currentLine)
-					return;
-
-				editMutex.EnterReadLock ();
-
-				if (LineCount == 0)
-					_currentLine = 0;
-				else if (value >= lines.Count)
-					_currentLine = lines.Count-1;
-				else if (value < 0)
-					_currentLine = 0;
-				else
-					_currentLine = value;
-//				if (_currentCol < 0)
-//					requestedColumn = tabu _currentCol;
-				int tabulatedRequestedCol = ConverteTabulatedPosOfCurLine(requestedColumn);
-				if (requestedColumn > lines [_currentLine].PrintableLength)
-					_currentCol = lines [_currentLine].Length;
-				else
-					//_currentCol = requestedColumn;
-					_currentCol = tabulatedRequestedCol;
-				//Debug.WriteLine ("buff cur line: " + _currentLine);
-
-				editMutex.ExitReadLock();
-
-				PositionChanged.Raise (this, null);
-			}
-		}
-		public CodeLine CurrentCodeLine {
-			get { return this [_currentLine]; }
-		}
-		/// <summary>
-		/// Current position in buffer coordinate, tabulation = 1 char
-		/// </summary>
-		public Point CurrentPosition {
-			get { return new Point(CurrentColumn, CurrentLine); }
-//			set {
-//				_currentCol = value.X;
-//				_currentLine = value.Y;
-//			}
-		}
-		/// <summary>
-		/// get char at current position in buffer
-		/// </summary>
-		protected Char CurrentChar { get { return lines [CurrentLine] [CurrentColumn]; } }
-
-		public void GotoWordStart(){
-			if (this[CurrentLine].Length == 0)
-				return;
-			CurrentColumn--;
-			//skip white spaces
-			while (!char.IsLetterOrDigit (this.CurrentChar) && CurrentColumn > 0)
-				CurrentColumn--;
-			while (char.IsLetterOrDigit (this.CurrentChar) && CurrentColumn > 0)
-				CurrentColumn--;
-			if (!char.IsLetterOrDigit (this.CurrentChar))
-				CurrentColumn++;
-		}
-		public void GotoWordEnd(){
-			//skip white spaces
-			if (CurrentColumn >= this [CurrentLine].Length - 1)
-				return;
-			while (!char.IsLetterOrDigit (this.CurrentChar) && CurrentColumn < this [CurrentLine].Length-1)
-				CurrentColumn++;
-			while (char.IsLetterOrDigit (this.CurrentChar) && CurrentColumn < this [CurrentLine].Length-1)
-				CurrentColumn++;
-			if (char.IsLetterOrDigit (this.CurrentChar))
-				CurrentColumn++;
-		}
-		public void DeleteChar()
-		{
-			editMutex.EnterWriteLock ();
-			if (SelectionIsEmpty) {
-				if (CurrentColumn == 0) {
-					if (CurrentLine == 0) {
-						editMutex.ExitWriteLock ();
-						return;
-					}
-					CurrentLine--;
-					CurrentColumn = this [CurrentLine].Length;
-					AppenedLine (CurrentLine, this [CurrentLine + 1].Content);
-					RemoveAt (CurrentLine + 1);
-					editMutex.ExitWriteLock ();
-					return;
-				}
-				CurrentColumn--;
-				UpdateLine (CurrentLine, this [CurrentLine].Content.Remove (CurrentColumn, 1));
-			} else {
-				int linesToRemove = SelectionEnd.Y - SelectionStart.Y + 1;
-				int l = SelectionStart.Y;
-
-				if (linesToRemove > 0) {
-					UpdateLine (l, this [l].Content.Remove (SelectionStart.X, this [l].Length - SelectionStart.X) +
-					this [SelectionEnd.Y].Content.Substring (SelectionEnd.X, this [SelectionEnd.Y].Length - SelectionEnd.X));
-					l++;
-					for (int c = 0; c < linesToRemove - 1; c++)
-						RemoveAt (l);
-					CurrentLine = SelectionStart.Y;
-					CurrentColumn = SelectionStart.X;
-				} else
-					UpdateLine (l, this [l].Content.Remove (SelectionStart.X, SelectionEnd.X - SelectionStart.X));
-				CurrentColumn = SelectionStart.X;
-				ResetSelection ();
-			}
-			editMutex.ExitWriteLock ();
-		}
-		/// <summary>
-		/// Insert new string at caret position, should be sure no line break is inside.
-		/// </summary>
-		/// <param name="str">String.</param>
-		public void Insert(string str)
-		{
-			if (!SelectionIsEmpty)
-				this.DeleteChar ();
-			string[] strLines = Regex.Split (str, "\r\n|\r|\n|" + @"\\n").ToArray();
-			UpdateLine (CurrentLine, this [CurrentLine].Content.Insert (CurrentColumn, strLines[0]));
-			CurrentColumn += strLines[0].Length;
-			for (int i = 1; i < strLines.Length; i++) {
-				InsertLineBreak ();
-				UpdateLine (CurrentLine, this [CurrentLine].Content.Insert (CurrentColumn, strLines[i]));
-				CurrentColumn += strLines[i].Length;
-			}
-		}
-		/// <summary>
-		/// Insert a line break.
-		/// </summary>
-		public void InsertLineBreak()
-		{
-			if (CurrentColumn > 0) {
-				Insert (CurrentLine + 1, this [CurrentLine].Content.Substring (CurrentColumn));
-				UpdateLine (CurrentLine, this [CurrentLine].Content.Substring (0, CurrentColumn));
-			} else
-				Insert(CurrentLine, "");
-
-			CurrentColumn = 0;
-			CurrentLine++;
-		}
-		#endregion
-	}
-}
-
diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/CodeBufferEventArgs.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/CodeBufferEventArgs.cs
deleted file mode 100644
index 07dd25b6..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/CodeBufferEventArgs.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-using System;
-
-namespace Crow.Coding
-{
-	public class CodeBufferEventArgs : EventArgs {
-		public int LineStart;
-		public int LineCount;
-
-		public CodeBufferEventArgs(int lineNumber) {
-			LineStart = lineNumber;
-			LineCount = 1;
-		}
-		public CodeBufferEventArgs(int lineStart, int lineCount) {
-			LineStart = lineStart;
-			LineCount = lineCount;
-		}
-	}
-
-}
-
diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/CodeLine.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/CodeLine.cs
deleted file mode 100644
index 23f43fba..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/CodeLine.cs
+++ /dev/null
@@ -1,82 +0,0 @@
-using System;
-using System.Text;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace Crow.Coding
-{
-	public class CodeLine
-	{
-		public string Content;
-		public List<Token> Tokens;
-		public int EndingState = 0;
-		public Node SyntacticNode;
-		public ParserException exception;
-
-		public CodeLine (string _content){
-			Content = _content;
-			Tokens = null;
-			exception = null;
-		}
-
-		public char this[int i]
-		{
-			get { return Content[i]; }
-			set {
-				if (Content [i] == value)
-					return;
-				StringBuilder sb = new StringBuilder(Content);
-				sb[i] = value;
-				Content = sb.ToString();
-				Tokens = null;
-				//LineUpadateEvent.Raise (this, new CodeBufferEventArgs (i));
-			}
-		}
-		public bool IsFoldable { get { return SyntacticNode == null ? false :
-				SyntacticNode.EndLine != SyntacticNode.StartLine && SyntacticNode.EndLine != null; } }
-		public int FoldingLevel { get { return IsFoldable ? SyntacticNode.Level : 0; } }
-		public bool IsFolded = false;
-		public bool IsParsed {
-			get { return Tokens != null; }
-		}
-		public string PrintableContent {
-			get {
-				return string.IsNullOrEmpty (Content) ? "" : Content.Replace ("\t", new String (' ', Interface.TabSize));
-			}
-		}
-		public int PrintableLength {
-			get {
-				return PrintableContent.Length;
-			}
-		}
-		public int Length {
-			get {
-				return string.IsNullOrEmpty (Content) ? 0 : Content.Length;
-			}
-		}
-		public int FirstNonBlankTokIndex {
-			get { return Tokens == null ? -1 : Tokens.FindIndex (tk=>tk.Type != BufferParser.TokenType.WhiteSpace); }
-		}
-
-		public void SetLineInError (ParserException ex) {
-			Tokens = null;
-			exception = ex;
-		}
-
-//		public static implicit operator string(CodeLine sl) {
-//			return sl == null ? "" : sl.Content;
-//		}
-		public static implicit operator CodeLine(string s) {
-			return new CodeLine(s);
-		}
-		public static bool operator ==(string s1, CodeLine s2)
-		{
-			return string.Equals (s1, s2.Content);
-		}
-		public static bool operator !=(string s1, CodeLine s2)
-		{
-			return !string.Equals (s1, s2.Content);
-		}
-	}
-}
-
diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/Node.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/Node.cs
deleted file mode 100644
index 9db55428..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/Node.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace Crow.Coding
-{
-	public class Node
-	{
-		public Node Parent;
-		public string Name;
-		public string Type;
-		public CodeLine StartLine;
-		public CodeLine EndLine;
-		public Dictionary<string,string> Attributes = new Dictionary<string, string> ();
-
-		public List<Node> Children = new List<Node>();
-
-		public Node ()
-		{
-		}
-
-		public void AddChild (Node child) {
-			child.Parent = this;
-			Children.Add (child);
-		}
-
-		public int Level {
-			get { return Parent == null ? 1 : Parent.Level + 1; } 
-		}
-
-		public override string ToString ()
-		{
-			return string.Format ("Name:{0}, Type:{1}\n\tparent:{2}", Name, Type, Parent);
-		}
-	}
-}
-
diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/TextBuffer.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/TextBuffer.cs
deleted file mode 100644
index e8c87182..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/TextBuffer.cs
+++ /dev/null
@@ -1,527 +0,0 @@
-//
-//  CodeTextBuffer.cs
-//
-//  Author:
-//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
-//
-//  Copyright (c) 2017 jp
-//
-//  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 3 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, see <http://www.gnu.org/licenses/>.
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text.RegularExpressions;
-using System.Diagnostics;
-using System.Threading;
-using System.Text;
-
-namespace Crow.Text
-{
-	/// <summary>
-	/// Code buffer, lines are arranged in a List<string>, new line chars are removed during string.split on '\n...',
-	/// </summary>
-	public class TextBuffer
-	{
-		public ReaderWriterLockSlim editMutex = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
-		static Regex slb = new Regex ("\\n");//single char line break used internaly
-		Regex reghexLineBrk = new Regex(@"\r\n|\r|\n|\\\n");//original text line break regex
-
-		#region Events
-		public event EventHandler<TextBufferEventArgs> LineUpadateEvent;
-		public event EventHandler<TextBufferEventArgs> LineRemoveEvent;
-		public event EventHandler<TextBufferEventArgs> LineAdditionEvent;
-		public event EventHandler BufferCleared;
-		public event EventHandler SelectionChanged;
-		public event EventHandler PositionChanged;
-		#endregion
-
-		StringBuilder buffer = new StringBuilder();
-		string lineBreak = Interface.LineBreak;//detected linebreak kind in original source
-		List<int> lineLength = new List<int>();//line length table
-		/// <summary>
-		/// real position in char arrays, tab = 1 char
-		/// </summary>
-		int _currentLine = 0;
-		int _currentCol = 0;
-
-		/// <summary>
-		/// Gets the total line count.
-		/// </summary>
-		public int LineCount { get { return lineLength.Count;}}
-
-		/// <summary>
-		/// get a substring in the buffer
-		/// </summary>
-		/// <returns>a new string</returns>
-		/// <param name="idx">absolute index in the buffer</param>
-		/// <param name="length">length of the substring</param>
-		public string GetSubString (int idx, int length){
-			return buffer.ToString (idx, length);
-		}
-		/// <summary>
-		/// Gets length of a line.
-		/// </summary>
-		/// <returns>length of line</returns>
-		/// <param name="lineIdx">line nuber</param>
-		public int GetLineLength (int lineIdx) {
-			return lineLength [lineIdx];
-		}
-		/// <summary>
-		/// get a single charactere in the buffer
-		/// </summary>
-		/// <returns>a single char</returns>
-		/// <param name="idx">absolute index in the buffer</param>
-		public char GetCharAt (int idx){
-			return buffer [idx];
-		}
-		/// <summary>
-		/// return full text with original line breaks
-		/// </summary>
-		/// <value>a string containing the full text</value>
-		public string FullText {
-			get { return buffer.Replace("\n", lineBreak).ToString (); }
-			set {
-				Load (value);
-			}
-		}
-		/// <summary>
-		/// Gets the buffer pointer of a line
-		/// </summary>
-		/// <returns>absolute index of the line in the buffer</returns>
-		/// <param name="i">line number</param>
-		public int GetBufferIndexOfLine (int i) {
-			int ptr = 0;
-			editMutex.EnterReadLock ();
-			for (int j = 0; j < i; j++) {
-				ptr += lineLength [j];
-			}
-			editMutex.ExitReadLock ();
-			return ptr;
-		}
-		/// <summary>
-		/// Gets the buffer pointer for the current position 
-		/// </summary>
-		/// <value>absolute index in the buffer of current position</value>
-		public int BufferIndexOfCurrentPosition {
-			get {return GetBufferIndexOfLine (_currentLine) + _currentCol;}
-		}
-		public int this[int i]
-		{
-			get {				
-				int ptr = 0;
-				editMutex.EnterReadLock ();
-				for (int j = 0; j < i; j++) {
-					ptr += lineLength [j];
-				}
-				editMutex.ExitReadLock ();
-				return ptr; 
-			}
-		}
-		/// <summary>
-		/// remove line number i
-		/// </summary>
-		/// <param name="i">index of the line</param>
-		public void RemoveLine(int i){
-			editMutex.EnterWriteLock ();
-			buffer.Remove (GetBufferIndexOfLine (i), lineLength [i]);
-			lineLength.RemoveAt (i);
-			editMutex.ExitWriteLock ();
-			LineRemoveEvent.Raise (this, new TextBufferEventArgs (i));
-		}
-		/// <summary>
-		/// insert string without linebreaks at position i in buff
-		/// </summary>
-		/// <param name="i">absolute index in the buffer</param>
-		/// <param name="str">linebreak free string</param>
-		public void InsertAt(int i, string str){
-			editMutex.EnterWriteLock ();
-			buffer.Insert (this [i], str);
-			lineLength.Insert (i, str.Length);
-			editMutex.ExitWriteLock ();
-			LineAdditionEvent.Raise (this, new TextBufferEventArgs (i));
-		}
-		public void AddLine(string str){
-			editMutex.EnterWriteLock ();
-			if (lineLength.LastOrDefault() == 0) {
-				buffer.Append (str);
-				lineLength [lineLength.Count - 1] = str.Length;
-				lineLength.Add (0);
-			}
-			editMutex.ExitWriteLock ();
-			LineAdditionEvent.Raise (this, new TextBufferEventArgs (lineLength.Count - 1));
-		}
-		public void AddRange (string[] items){
-			int start = lineLength.Count;
-			editMutex.EnterWriteLock ();
-			for (int i = 0; i < items.Length; i++)
-				AddLine (items [i]);
-			editMutex.ExitWriteLock ();
-			LineAdditionEvent.Raise (this, new TextBufferEventArgs (start, items.Length));
-		}
-		public void Clear () {
-			editMutex.EnterWriteLock ();
-			lineLength.Clear ();
-			buffer.Clear ();
-			editMutex.ExitWriteLock ();
-			BufferCleared.Raise (this, null);
-		}
-		public void UpdateLine(int i, string newContent){
-			editMutex.EnterWriteLock ();
-			int ptrL = this [i];
-			buffer.Remove (ptrL, lineLength [i]);
-			buffer.Insert (ptrL, newContent);
-			lineLength [i] = newContent.Length;
-			editMutex.ExitWriteLock ();
-			LineUpadateEvent.Raise (this, new TextBufferEventArgs (i));
-		}
-		public void AppenedLine(int i, string newContent){
-			editMutex.EnterWriteLock ();
-			int ptr = this [i] + lineLength [i];
-			if (i < LineCount - 1)
-				ptr--;
-			buffer.Insert(ptr, newContent);
-			lineLength [i] += newContent.Length;
-			editMutex.ExitWriteLock ();
-			LineUpadateEvent.Raise (this, new TextBufferEventArgs (i));
-		}
-		/// <summary>
-		/// Insert new string at caret position, should be sure no line break is inside.
-		/// </summary>
-		/// <param name="str">String.</param>
-		public void InsertAt(string str)
-		{
-			if (!SelectionIsEmpty)
-				this.Delete ();
-
-			editMutex.EnterWriteLock ();
-
-			string tmp = reghexLineBrk.Replace (str, "\n");//use single char line break in buffer
-			int buffPtr = this [CurrentLine] + CurrentColumn;
-			buffer.Insert (buffPtr, tmp);
-
-			int lPtr = CurrentLine, strPtr = 0;
-			int remainingLength = lineLength [lPtr] - CurrentColumn;
-			lineLength [lPtr] = CurrentColumn;
-			foreach (Match match in slb.Matches(tmp))
-			{
-				lineLength [lPtr] += match.Index + 1 - strPtr;
-				lPtr++;
-				lineLength.Insert (lPtr, 0);
-				strPtr = match.Index + 1;
-				//CurrentLine++;
-			}
-			remainingLength += tmp.Length - strPtr; 
-			lineLength [lPtr] += remainingLength;
-
-			CurrentLine = lPtr;
-			if (strPtr == 0)
-				CurrentColumn += tmp.Length;
-			else
-				CurrentColumn = tmp.Length - strPtr;
-
-			editMutex.ExitWriteLock ();
-			if (strPtr>0)
-				LineAdditionEvent.Raise (this, null);
-			else
-				LineUpadateEvent.Raise (this, null);
-		}
-		/// <summary>
-		/// Insert a line break.
-		/// </summary>
-		public void InsertLineBreak()
-		{
-			editMutex.EnterWriteLock ();
-			buffer.Insert (this [CurrentLine] + CurrentColumn, '\n');
-			int lgdiff = lineLength [CurrentLine] - CurrentColumn;
-			lineLength.Insert (CurrentLine + 1, lineLength [CurrentLine] - CurrentColumn);
-			lineLength [CurrentLine] = CurrentColumn + 1;
-			editMutex.ExitWriteLock ();
-			LineAdditionEvent.Raise (this, null);
-			CurrentColumn = 0;
-			CurrentLine++;
-		}
-		public void Delete()
-		{
-			editMutex.EnterWriteLock ();
-			if (SelectionIsEmpty) {
-				if (CurrentColumn == 0) {
-					if (CurrentLine == 0) {
-						editMutex.ExitWriteLock ();
-						return;
-					}
-
-					buffer.Remove (this [CurrentLine] - 1, 1);
-
-					int col = lineLength [CurrentLine - 1] - 1;
-					lineLength [CurrentLine - 1] += lineLength [CurrentLine] - 1;
-					lineLength.RemoveAt (CurrentLine);
-
-					CurrentLine--;
-					CurrentColumn = col;
-
-					editMutex.ExitWriteLock ();
-					LineRemoveEvent.Raise (this, null);
-					return;
-				}
-				CurrentColumn--;
-				buffer.Remove (this [CurrentLine] + CurrentColumn, 1);
-				lineLength [CurrentLine]--;
-			} else {
-				int linesToRemove = SelectionEnd.Y - SelectionStart.Y;
-				int ptr = this [SelectionStart.Y] + SelectionStart.X;
-				int length = lineLength [SelectionStart.Y] - SelectionStart.X;
-				int l = 1;
-				while (l <= linesToRemove ) {
-					length += lineLength [SelectionStart.Y + l];
-					l++;
-				}
-				length -= lineLength [SelectionEnd.Y] - SelectionEnd.X;
-				buffer.Remove (ptr, length);
-				lineLength [SelectionStart.Y] = SelectionStart.X + lineLength [SelectionEnd.Y] - SelectionEnd.X;
-				lineLength.RemoveRange (SelectionStart.Y + 1, linesToRemove);
-
-				CurrentLine = SelectionStart.Y;
-				CurrentColumn = SelectionStart.X;
-				ResetSelection ();
-
-				if (linesToRemove > 0)
-					LineRemoveEvent.Raise (this, null);
-				else
-					LineUpadateEvent.Raise (this, null);
-			}
-			editMutex.ExitWriteLock ();
-		}
-		public void Load(string rawSource) {
-			this.Clear();
-
-			if (string.IsNullOrEmpty (rawSource))
-				return;
-
-			lineBreak = reghexLineBrk.Match (rawSource).Value;//store original line break
-			string tmp = reghexLineBrk.Replace (rawSource, "\n");//use single char line break in buffer
-			int ptr = 0;
-			foreach (Match match in slb.Matches(tmp))
-			{
-				int l = match.Index + 1;
-				int lg = l - ptr;
-				lineLength.Add (lg);
-				ptr = l;
-			}
-			lineLength.Add (0);
-
-			buffer = new StringBuilder (tmp);
-		}
-
-//		public int CurrentTabulatedColumn {
-//			get {
-////				return lines [_currentLine].Content.Substring (0, _currentCol).
-////					Replace ("\t", new String (' ', Interface.TabSize)).Length;
-//			}
-//		}
-
-		#region moving cursor an selection
-		Point selStartPos = -1;	//selection start (row,column)
-		Point selEndPos = -1;	//selection end (row,column)
-
-		public bool SelectionInProgress { get { return selStartPos >= 0; }}
-		public void SetSelStartPos () {
-			selStartPos = selEndPos = CurrentPosition;
-			SelectionChanged.Raise (this, null);
-		}
-		public void SetSelEndPos () {
-			selEndPos = CurrentPosition;
-			SelectionChanged.Raise (this, null);
-		}
-		/// <summary>
-		/// Set selection in buffer to -1, empty selection
-		/// </summary>
-		public void ResetSelection () {
-			selStartPos = selEndPos = -1;
-			SelectionChanged.Raise (this, null);
-		}
-		/// <summary>
-		/// ordered selection start and end positions in char units
-		/// </summary>
-		public Point SelectionStart	{
-			get { return selEndPos < 0 || selStartPos.Y < selEndPos.Y ? selStartPos :
-					selStartPos.Y > selEndPos.Y ? selEndPos :
-					selStartPos.X < selEndPos.X ? selStartPos : selEndPos; }
-		}
-		public Point SelectionEnd {
-			get { return selEndPos < 0 || selStartPos.Y > selEndPos.Y ? selStartPos :
-					selStartPos.Y < selEndPos.Y ? selEndPos :
-					selStartPos.X > selEndPos.X ? selStartPos : selEndPos; }
-		}
-		public bool SelectionIsEmpty
-		{ get { return selEndPos == selStartPos; } }
-		/// <summary>
-		/// Current column in buffer coordinate, tabulation = 1 char
-		/// </summary>
-		public int CurrentColumn{
-			get { return _currentCol; }
-			set {
-				if (value == _currentCol)
-					return;
-
-				editMutex.EnterWriteLock ();
-
-				if (value < 0)
-					_currentCol = 0;
-				else if (value >= lineLength [_currentLine]) {
-					if (_currentLine < LineCount -1 && value > lineLength [_currentLine] - 1)
-						_currentCol = lineLength [_currentLine] - 1;
-					else
-						_currentCol = lineLength [_currentLine];
-				}else
-					_currentCol = value;
-
-				editMutex.ExitWriteLock ();
-
-				PositionChanged.Raise (this, null);
-			}
-		}
-		/// <summary>
-		/// Current row in buffer coordinate, tabulation = 1 char
-		/// </summary>
-		public int CurrentLine{
-			get { return _currentLine; }
-			set {
-				if (value == _currentLine)
-					return;
-
-				editMutex.EnterWriteLock ();
-
-				if (value >= lineLength.Count)
-					_currentLine = lineLength.Count-1;
-				else if (value < 0)
-					_currentLine = 0;
-				else
-					_currentLine = value;
-
-				int c = _currentCol;
-				_currentCol = 0;
-				CurrentColumn = c;
-
-				editMutex.ExitWriteLock();
-
-				PositionChanged.Raise (this, null);
-			}
-		}
-		/// <summary>
-		/// Current position in buffer coordinate, tabulation = 1 char
-		/// </summary>
-		public Point CurrentPosition {
-			get { return new Point(CurrentColumn, CurrentLine); }
-		}
-		/// <summary>
-		/// get char at current position in buffer
-		/// </summary>
-		protected Char CurrentChar { get { return buffer[this [CurrentLine]]; } }
-		public string SelectedText {
-			get {
-				if (SelectionIsEmpty)
-					return "";
-				Point selStart = SelectionStart;
-				Point selEnd = SelectionEnd;
-
-				int ptr = this [selStart.Y] + selStart.X;
-				int length = lineLength[selStart.Y] - selStart.X;
-				for (int i = selStart.Y+1; i <= selEnd.Y; i++) 
-					length += lineLength [i];
-				length -= lineLength[selEnd.Y] - selEnd.X;
-
-				return buffer.ToString (ptr, length);
-			}
-		}
-
-		public void GotoWordStart(){
-			if (_currentCol == 0)
-				MoveLeft ();
-			if (_currentCol == 0)
-				return;
-			int ptrStart = BufferIndexOfCurrentPosition;
-			int ptr = ptrStart;
-			char c;
-			//skip white spaces
-			do {
-				ptr--;
-				c = this.GetCharAt (ptr);
-			} while (!char.IsLetterOrDigit (c) && c != '\n' && ptr > 1);
-				
-			do {
-				ptr--;
-				c = this.GetCharAt (ptr);
-			} while (char.IsLetterOrDigit (c) && c != '\n' && ptr > 1);
-
-			if (ptr == 0)
-				CurrentColumn = 0;
-			else
-				CurrentColumn -= ptrStart - ptr - 1;		
-		}
-		public void GotoWordEnd(){
-			int limx = GetLineLength (_currentLine);
-			if (_currentLine < lineLength.Count - 1)
-				limx--;
-			
-			if (_currentCol == limx) {
-				MoveRight ();
-				limx = GetLineLength (_currentLine);
-				if (_currentLine < lineLength.Count - 1)
-					limx--;				
-			}
-
-			int ptrLine = GetBufferIndexOfLine(_currentLine);
-			int ptrCol = _currentCol;
-
-			char c;
-			//skip white spaces
-			do {				
-				c = GetCharAt (ptrLine+ptrCol);
-				ptrCol++;
-			} while (!char.IsLetterOrDigit (c) && ptrCol < limx);
-
-			do {
-				c = GetCharAt (ptrLine + ptrCol);
-				ptrCol++;
-			} while (char.IsLetterOrDigit (c) && ptrCol < limx);
-			CurrentColumn = ptrCol - 1;
-		}
-		/// <summary>
-		/// Moves cursor one char to the left, move up if cursor reaches start of line
-		/// </summary>
-		public void MoveLeft(){
-			if (CurrentColumn == 0) {
-				CurrentLine--;
-				CurrentColumn = int.MaxValue;
-			} else
-				CurrentColumn--;			
-		}
-		/// <summary>
-		/// Moves cursor one char to the right, move down if cursor reaches end of line
-		/// </summary>
-		public void MoveRight(){
-			if (_currentLine < LineCount -1){
-				if (CurrentColumn >= lineLength [CurrentLine] - 1) {
-					CurrentColumn = 0;
-					CurrentLine++;
-					return;
-				}
-			}
-			CurrentColumn++;
-		}
-
-		#endregion
-	}
-}
-
diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/TextBufferEventArgs.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/TextBufferEventArgs.cs
deleted file mode 100644
index 3b67bb1c..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/TextBufferEventArgs.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-using System;
-
-namespace Crow.Text
-{
-	public class TextBufferEventArgs : EventArgs {
-		public int LineStart;
-		public int LineCount;
-
-		public TextBufferEventArgs(int lineNumber) {
-			LineStart = lineNumber;
-			LineCount = 1;
-		}
-		public TextBufferEventArgs(int lineStart, int lineCount) {
-			LineStart = lineStart;
-			LineCount = lineCount;
-		}
-	}
-
-}
-
diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/TextEditor.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/TextEditor.cs
deleted file mode 100644
index 8b16b9a8..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/TextEditor.cs
+++ /dev/null
@@ -1,699 +0,0 @@
-//
-// ScrollingTextBox.cs
-//
-// Author:
-//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
-//
-// Copyright (c) 2013-2017 Jean-Philippe Bruyère
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-using System;
-using System.ComponentModel;
-using vkvg;
-
-namespace Crow.Text
-{
-	/// <summary>
-	/// Scrolling text box optimized for monospace fonts, for coding
-	/// </summary>
-	public class TextEditor : Crow.Coding.Editor
-	{		
-		#region CTOR
-		public TextEditor (): base()
-		{			
-			buffer = new TextBuffer ();
-			buffer.LineUpadateEvent += Buffer_LineUpadateEvent;
-			buffer.LineAdditionEvent += Buffer_LineAdditionEvent;;
-			buffer.LineRemoveEvent += Buffer_LineRemoveEvent;
-			buffer.BufferCleared += Buffer_BufferCleared;
-			buffer.SelectionChanged += Buffer_SelectionChanged;
-			buffer.PositionChanged += Buffer_PositionChanged;
-			//buffer.Add ("");
-		}
-		#endregion
-
-		string oldSource = "";
-		volatile bool isDirty = false;
-
-		#region private and protected fields
-		int visibleLines = 1;
-		int visibleColumns = 1;
-
-		TextBuffer buffer;
-
-		Color selBackground;
-		Color selForeground;
-		int selStartCol;
-		int selEndCol;
-
-		protected Rectangle rText;
-		protected FontExtents fe;
-		protected TextExtents te;
-
-		Point mouseLocalPos;
-		bool doubleClicked = false;
-		#endregion
-
-		/// <summary>
-		/// Updates visible line in widget, adapt max scroll y and updatePrintedLines
-		/// </summary>
-		void updateVisibleLines(){
-			visibleLines = (int)Math.Floor ((double)ClientRectangle.Height / (fe.Ascent+fe.Descent));
-			NotifyValueChanged ("VisibleLines", visibleLines);
-			updateMaxScrollY ();
-			RegisterForGraphicUpdate ();
-//			System.Diagnostics.Debug.WriteLine ("update visible lines: " + visibleLines);
-//			System.Diagnostics.Debug.WriteLine ("update MaxScrollY: " + MaxScrollY);
-		}
-		void updateVisibleColumns(){
-			visibleColumns = (int)Math.Floor ((double)(ClientRectangle.Width)/ fe.MaxXAdvance);
-			NotifyValueChanged ("VisibleColumns", visibleColumns);
-			RegisterForGraphicUpdate ();
-//			System.Diagnostics.Debug.WriteLine ("update visible columns: {0} leftMargin:{1}",visibleColumns, leftMargin);
-//			System.Diagnostics.Debug.WriteLine ("update MaxScrollX: " + MaxScrollX);
-		}
-		void updateMaxScrollX (int longestTabulatedLineLength) {			
-			MaxScrollX = Math.Max (0, longestTabulatedLineLength - visibleColumns);
-			if (longestTabulatedLineLength > 0)
-				NotifyValueChanged ("ChildWidthRatio", Slot.Width * visibleColumns / longestTabulatedLineLength);
-		}
-		void updateMaxScrollY () {			
-			int lc = buffer.LineCount;
-			MaxScrollY = Math.Max (0, lc - visibleLines);
-			if (lc > 0)
-				NotifyValueChanged ("ChildHeightRatio", Slot.Height * visibleLines / lc);
-			
-		}			
-
-
-
-		#region Editor overrides
-		protected override void updateEditorFromProjFile ()
-		{
-			buffer.editMutex.EnterWriteLock ();
-			loadSource ();
-			buffer.editMutex.ExitWriteLock ();
-
-			isDirty = false;
-			oldSource = projFile.Source;
-			projFile.RegisteredEditors [this] = true;
-		}
-		protected override void updateProjFileFromEditor ()
-		{
-			buffer.editMutex.EnterWriteLock ();
-			string newsrc = buffer.FullText;
-			buffer.editMutex.ExitWriteLock ();
-			projFile.UpdateSource (this, newsrc);
-		}
-		protected override bool EditorIsDirty {
-			get { return isDirty; }
-			set { isDirty = value; }
-		}
-		protected override bool IsReady {
-			get { return projFile != null && buffer != null; }
-		}
-		#endregion
-
-		#region Buffer events handlers
-		void Buffer_BufferCleared (object sender, EventArgs e)
-		{
-			editorMutex.EnterWriteLock ();
-
-			MaxScrollX = MaxScrollY = 0;
-			RegisterForGraphicUpdate ();
-			notifyPositionChanged ();
-			isDirty = true;
-
-			editorMutex.ExitWriteLock ();
-		}
-		void Buffer_LineAdditionEvent (object sender, TextBufferEventArgs e)
-		{
-			updateMaxScrollY ();
-			RegisterForGraphicUpdate ();
-			isDirty = true;
-		}
-		void Buffer_LineRemoveEvent (object sender, TextBufferEventArgs e)
-		{
-			updateMaxScrollY ();
-			RegisterForGraphicUpdate ();
-			notifyPositionChanged ();
-			isDirty = true;
-		}
-		void Buffer_LineUpadateEvent (object sender, TextBufferEventArgs e)
-		{
-			RegisterForGraphicUpdate ();
-			notifyPositionChanged ();
-			isDirty = true;
-		}
-		void Buffer_PositionChanged (object sender, EventArgs e)
-		{			
-			int cc = getTabulatedColumn (buffer.CurrentPosition);
-
-			if (cc > visibleColumns + ScrollX) {
-				ScrollX = cc - visibleColumns;
-			} else if (cc < ScrollX)
-				ScrollX = cc;
-
-			if (buffer.CurrentLine >= visibleLines + ScrollY - 1)
-				ScrollY = buffer.CurrentLine - visibleLines + 1;
-			else if (buffer.CurrentLine < ScrollY)
-				ScrollY = buffer.CurrentLine;
-			
-			RegisterForGraphicUpdate ();
-			notifyPositionChanged ();
-		}
-
-		void Buffer_SelectionChanged (object sender, EventArgs e)
-		{
-			RegisterForGraphicUpdate ();
-		}
-		#endregion
-
-		void notifyPositionChanged (){
-			try {				
-				NotifyValueChanged ("CurrentLine", buffer.CurrentLine+1);
-				NotifyValueChanged ("CurrentColumn", buffer.CurrentColumn+1);
-			} catch (Exception ex) {
-				Console.WriteLine (ex.ToString ());
-			}
-		}
-			
-		#region Public Crow Properties
-		public int CurrentLine{
-			get { return buffer == null ? 0 : buffer.CurrentLine+1; }
-			set {
-				try {
-					int l = value - 1;
-					if (l == buffer.CurrentLine)
-						return;
-					buffer.CurrentLine = l;									
-				} catch (Exception ex) {					
-					Console.WriteLine ("Error cur column: " + ex.ToString ());
-				}
-			}
-		}
-		public int CurrentColumn{
-			get { return buffer == null ? 0 : buffer.CurrentColumn+1; }
-			set {
-				try {					
-					if (value - 1 == buffer.CurrentColumn)
-						return;
-					buffer.CurrentColumn = value - 1;
-				} catch (Exception ex) {					
-					Console.WriteLine ("Error cur column: " + ex.ToString ());
-				}
-			}
-		}
-		[DefaultValue("Blue")]
-		public virtual Color SelectionBackground {
-			get { return selBackground; }
-			set {
-				if (value == selBackground)
-					return;
-				selBackground = value;
-				NotifyValueChanged ("SelectionBackground", selBackground);
-				RegisterForRedraw ();
-			}
-		}
-		[DefaultValue("White")]
-		public virtual Color SelectionForeground {
-			get { return selForeground; }
-			set {
-				if (value == selForeground)
-					return;
-				selForeground = value;
-				NotifyValueChanged ("SelectionForeground", selForeground);
-				RegisterForRedraw ();
-			}
-		}
-		public override int ScrollY {
-			get {
-				return base.ScrollY;
-			}
-			set {
-				if (value == base.ScrollY)
-					return;
-				editorMutex.EnterWriteLock ();
-				base.ScrollY = value;
-				editorMutex.ExitWriteLock ();
-				RegisterForGraphicUpdate ();
-			}
-		}
-		#endregion
-
-
-		void loadSource () {
-			buffer.Load (projFile.Source);
-			projFile.RegisteredEditors [this] = true;
-			updateMaxScrollY ();
-			RegisterForGraphicUpdate ();
-		}
-
-		int getTabulatedColumn (int col, int line) {
-			return buffer.GetSubString (buffer [line],
-				buffer.GetLineLength (line)).Substring(0,col).Replace ("\t", new String (' ', Interface.TabSize)).Length;
-		}
-		int getTabulatedColumn (Point pos) {
-			return getTabulatedColumn (pos.X,pos.Y);
-		}
-
-		#region Drawing
-		void drawLines(Context gr, Rectangle cb) {
-			int longestTabulatedLine = 0;
-			for (int i = 0; i < visibleLines; i++) {
-				int lineIndex = i + ScrollY;
-				if (lineIndex >= buffer.LineCount)//TODO:need optimize
-					break;							
-
-				double y = cb.Y + (fe.Ascent+fe.Descent) * i, x = cb.X;
-
-				int lineLength = buffer.GetLineLength (lineIndex);
-				if (lineIndex < buffer.LineCount - 1)//dont print line break
-					lineLength--;
-				string lstr = buffer.GetSubString (buffer [lineIndex],
-					lineLength).Replace ("\t", new String (' ', Interface.TabSize));
-
-				int lstrLength = lstr.Length;
-				if (lstrLength > longestTabulatedLine)
-					longestTabulatedLine = lstrLength;
-				
-				if (ScrollX < lstrLength)
-					lstr = lstr.Substring (ScrollX);
-				else
-					lstr = "";
-
-				gr.MoveTo (x, y + fe.Ascent);
-				gr.ShowText (lstr);
-				gr.Fill ();
-
-				if (!buffer.SelectionIsEmpty && lineIndex >= buffer.SelectionStart.Y && lineIndex <= buffer.SelectionEnd.Y) {
-					double rLineX = x,
-					rLineY = y,
-					rLineW = lstr.Length * fe.MaxXAdvance;
-
-					if (lineIndex == buffer.SelectionStart.Y) {
-						rLineX += (selStartCol - ScrollX) * fe.MaxXAdvance;
-						rLineW -= (selStartCol - ScrollX) * fe.MaxXAdvance;
-					}
-					if (lineIndex == buffer.SelectionEnd.Y)
-						rLineW -= (lstr.Length - selEndCol + ScrollX) * fe.MaxXAdvance;
-
-					gr.Save ();
-					gr.Operator = Operator.Source;
-					gr.Rectangle (rLineX, rLineY, rLineW, (fe.Ascent+fe.Descent));
-					gr.SetSourceColor (SelectionBackground);
-					gr.FillPreserve ();
-					gr.Clip ();
-					gr.Operator = Operator.Over;
-					gr.SetSourceColor (SelectionForeground);
-					gr.MoveTo (x, y + fe.Ascent);
-					gr.ShowText (lstr);
-					gr.Fill ();
-					gr.Restore ();
-				}	
-			
-			
-			}		
-		
-			updateMaxScrollX(longestTabulatedLine);
-		}
-		#endregion
-
-		#region GraphicObject overrides
-		public override Font Font {
-			get { return base.Font; }
-			set {
-				base.Font = value;
-
-				using (Surface img = new Surface (IFace.dev, 1, 1)) {
-					using (Context gr = new Context (img)) {
-						gr.FontFace = Font.Name;
-						gr.FontSize = (uint)Font.Size;
-
-						fe = gr.FontExtents;
-					}
-				}
-				MaxScrollY = 0;
-				RegisterForGraphicUpdate ();
-			}
-		}
-		protected override int measureRawSize(LayoutingType lt)
-		{
-			if (lt == LayoutingType.Height)
-				return (int)Math.Ceiling((fe.Ascent+fe.Descent) * buffer.LineCount) + Margin * 2;
-
-			return 0;// (int)(fe.MaxXAdvance * buffer.GetLineLength(buffer.longestLineIdx)) + Margin * 2;
-		}
-		public override void OnLayoutChanges (LayoutingType layoutType)
-		{
-			base.OnLayoutChanges (layoutType);
-
-			if (layoutType == LayoutingType.Height)
-				updateVisibleLines ();
-			else if (layoutType == LayoutingType.Width)
-				updateVisibleColumns ();
-		}
-
-		protected override void onDraw (Context gr)
-		{
-			base.onDraw (gr);
-
-			gr.FontFace = Font.Name;
-			gr.FontSize = (uint)Font.Size;
-			//gr.FontOptions = Interface.FontRenderingOptions;
-			//gr.Antialias = Interface.Antialias;
-
-			Rectangle cb = ClientRectangle;
-
-			Foreground.SetAsSource (gr);
-
-			buffer.editMutex.EnterReadLock ();
-			editorMutex.EnterReadLock ();
-
-			#region draw text cursor
-			if (buffer.SelectionInProgress){
-				selStartCol = getTabulatedColumn (buffer.SelectionStart);
-				selEndCol = getTabulatedColumn (buffer.SelectionEnd);
-			}else if (HasFocus && CurrentLine >= 0){
-				gr.LineWidth = 1.0;
-				double cursorX = cb.X + (getTabulatedColumn(buffer.CurrentPosition) - ScrollX) * fe.MaxXAdvance ;
-				double cursorY = cb.Y + (buffer.CurrentLine - ScrollY) * (fe.Ascent+fe.Descent);
-				gr.MoveTo (0.5 + cursorX, cursorY);
-				gr.LineTo (0.5 + cursorX, cursorY + fe.Ascent+fe.Descent);
-				gr.Stroke();
-			}
-			#endregion
-
-			drawLines (gr, cb);
-
-			editorMutex.ExitReadLock ();
-
-			buffer.editMutex.ExitReadLock ();
-
-		}
-		#endregion
-
-		int getBufferColFromVisualCol (int line, int column) {
-			int i = 0;
-			int buffCol = 0;
-			int buffPtr = buffer [line];
-			while (i < column && buffCol < buffer.GetLineLength(line)) {
-				if (buffer.GetCharAt(buffPtr + buffCol) == '\t')
-					i += Interface.TabSize;
-				else
-					i++;
-				buffCol++;
-			}
-			return buffCol;
-		}
-
-
-		#region Mouse handling
-
-		int hoverLine = -1;
-		public int HoverLine {
-			get { return hoverLine; }
-			set { 
-				if (hoverLine == value)
-					return;
-				hoverLine = value;
-				NotifyValueChanged ("HoverLine", hoverLine);				
-			}
-		}
-		void updateHoverLine () {
-//			int hvl = (int)Math.Max (0, Math.Floor (mouseLocalPos.Y / (fe.Ascent+fe.Descent)));
-//			hvl = Math.Min (PrintedLines.Count, hvl);
-//			HoverLine = buffer.IndexOf (PrintedLines[hvl]);
-		}
-		void updateCurrentPosFromMouseLocalPos(){			
-			
-			buffer.CurrentLine = ScrollY + (int)Math.Max (0, Math.Floor (mouseLocalPos.Y / (fe.Ascent+fe.Descent)));
-			int curVisualCol = ScrollX +  (int)Math.Round ((mouseLocalPos.X) / fe.MaxXAdvance);
-			buffer.CurrentColumn = getBufferColFromVisualCol (buffer.CurrentLine, curVisualCol);
-		}
-
-		public override void onMouseEnter (object sender, MouseMoveEventArgs e)
-		{
-			base.onMouseEnter (sender, e);
-			IFace.MouseCursor = MouseCursor.IBeam;
-		}
-		public override void onMouseLeave (object sender, MouseMoveEventArgs e)
-		{
-			base.onMouseLeave (sender, e);
-			IFace.MouseCursor = MouseCursor.Arrow;
-		}
-		public override void onMouseMove (object sender, MouseMoveEventArgs e)
-		{
-			base.onMouseMove (sender, e);
-
-			mouseLocalPos = e.Position - ScreenCoordinates(Slot).TopLeft - ClientRectangle.TopLeft;
-
-			updateHoverLine ();
-
-			if (e.Mouse.LeftButton == ButtonState.Released || !buffer.SelectionInProgress)
-				return;
-
-			//mouse is down
-			updateCurrentPosFromMouseLocalPos();
-			buffer.SetSelEndPos ();
-		}
-		public override void onMouseDown (object sender, MouseButtonEventArgs e)
-		{
-			if (!Focusable)
-				return;
-
-			base.onMouseDown (sender, e);
-
-			if (doubleClicked) {
-				doubleClicked = false;
-				return;
-			}
-
-			updateCurrentPosFromMouseLocalPos ();
-			buffer.SetSelStartPos ();
-		}
-		public override void onMouseUp (object sender, MouseButtonEventArgs e)
-		{
-			base.onMouseUp (sender, e);
-
-			if (buffer.SelectionIsEmpty)
-				buffer.ResetSelection ();
-		}
-
-		public override void onMouseDoubleClick (object sender, MouseButtonEventArgs e)
-		{
-			//doubleClicked = true;
-			base.onMouseDoubleClick (sender, e);
-
-			buffer.GotoWordStart ();
-			buffer.SetSelStartPos ();
-			buffer.GotoWordEnd ();
-			buffer.SetSelEndPos ();
-		}
-
-		public override void onMouseWheel (object sender, MouseWheelEventArgs e)
-		{
-			base.onMouseWheel (sender, e);
-		}
-		#endregion
-
-		#region Keyboard handling
-		public override void onKeyDown (object sender, KeyEventArgs e)
-		{
-			//base.onKeyDown (sender, e);
-
-			Key key = e.Key;
-
-			if (IFace.Ctrl) {
-				switch (key) {
-				case Key.S:
-					projFile.Save ();
-					break;
-				case Key.W:
-					editorMutex.EnterWriteLock ();
-					if (IFace.Shift)
-						projFile.Redo (null);
-					else
-						projFile.Undo (null);
-					editorMutex.ExitWriteLock ();
-					break;
-				default:
-					Console.WriteLine ("");
-					break;
-				}
-			}
-
-			switch (key)
-			{
-			case Key.Backspace:
-				buffer.Delete ();
-				break;
-			case Key.Delete:
-				if (buffer.SelectionIsEmpty)
-					buffer.MoveRight ();
-//				else if (e.Shift)
-//					IFace.Clipboard = buffer.SelectedText;
-				buffer.Delete ();
-				break;
-			case Key.Enter:
-			case Key.KeypadEnter:
-				if (!buffer.SelectionIsEmpty)
-					buffer.Delete ();
-				buffer.InsertLineBreak ();
-				break;
-			case Key.Escape:
-				buffer.ResetSelection ();
-				break;
-			case Key.Home:
-				if (IFace.Shift) {
-					if (buffer.SelectionIsEmpty)
-						buffer.SetSelStartPos ();
-					if (IFace.Ctrl)
-						buffer.CurrentLine = 0;
-					buffer.CurrentColumn = 0;
-					buffer.SetSelEndPos ();
-					break;
-				}
-				buffer.ResetSelection ();
-				if (IFace.Ctrl)
-					buffer.CurrentLine = 0;
-				buffer.CurrentColumn = 0;
-				break;
-			case Key.End:
-				if (IFace.Shift) {
-					if (buffer.SelectionIsEmpty)
-						buffer.SetSelStartPos ();
-					if (IFace.Ctrl)
-						buffer.CurrentLine = int.MaxValue;
-					buffer.CurrentColumn = int.MaxValue;
-					buffer.SetSelEndPos ();
-					break;
-				}
-				buffer.ResetSelection ();
-				if (IFace.Ctrl)
-					buffer.CurrentLine = int.MaxValue;
-				buffer.CurrentColumn = int.MaxValue;
-				break;
-			case Key.Insert:
-				if (IFace.Shift)
-					buffer.InsertAt (IFace.Clipboard);
-				else if (IFace.Ctrl && !buffer.SelectionIsEmpty)
-					IFace.Clipboard = buffer.SelectedText;
-				break;
-			case Key.Left:
-				if (IFace.Shift) {
-					if (buffer.SelectionIsEmpty)
-						buffer.SetSelStartPos ();
-					if (IFace.Ctrl)
-						buffer.GotoWordStart ();
-					else
-						buffer.MoveLeft ();
-					buffer.SetSelEndPos ();
-					break;
-				}
-				buffer.ResetSelection ();
-				if (IFace.Ctrl)
-					buffer.GotoWordStart ();
-				else
-					buffer.MoveLeft();
-				break;
-			case Key.Right:
-				if (IFace.Shift) {
-					if (buffer.SelectionIsEmpty)
-						buffer.SetSelStartPos ();
-					if (IFace.Ctrl)
-						buffer.GotoWordEnd ();
-					else
-						buffer.MoveRight ();
-					buffer.SetSelEndPos ();
-					break;
-				}
-				buffer.ResetSelection ();
-				if (IFace.Ctrl)
-					buffer.GotoWordEnd ();
-				else
-					buffer.MoveRight ();
-				break;
-			case Key.Up:
-				if (IFace.Shift) {
-					if (buffer.SelectionIsEmpty)
-						buffer.SetSelStartPos ();
-					CurrentLine--;
-					buffer.SetSelEndPos ();
-					break;
-				}
-				buffer.ResetSelection ();
-				CurrentLine--;
-				break;
-			case Key.Down:
-				if (IFace.Shift) {
-					if (buffer.SelectionIsEmpty)
-						buffer.SetSelStartPos ();
-					CurrentLine++;
-					buffer.SetSelEndPos ();
-					break;
-				}
-				buffer.ResetSelection ();
-				CurrentLine++;
-				break;
-			case Key.Menu:
-				break;
-			case Key.NumLock:
-				break;
-			case Key.PageDown:
-				if (IFace.Shift) {
-					if (buffer.SelectionIsEmpty)
-						buffer.SetSelStartPos ();
-					CurrentLine += visibleLines;
-					buffer.SetSelEndPos ();
-					break;
-				}
-				buffer.ResetSelection ();
-				CurrentLine += visibleLines;
-				break;
-			case Key.PageUp:
-				if (IFace.Shift) {
-					if (buffer.SelectionIsEmpty)
-						buffer.SetSelStartPos ();
-					CurrentLine -= visibleLines;
-					buffer.SetSelEndPos ();
-					break;
-				}
-				buffer.ResetSelection ();
-				CurrentLine -= visibleLines;
-				break;
-			case Key.Tab:
-				buffer.InsertAt ("\t");
-				break;
-			default:
-				break;
-			}
-			RegisterForGraphicUpdate();
-		}
-		public override void onKeyPress (object sender, KeyPressEventArgs e)
-		{
-			base.onKeyPress (sender, e);
-
-			buffer.InsertAt (e.KeyChar.ToString());
-			buffer.ResetSelection ();
-		}
-		#endregion
-	}
-}
\ No newline at end of file
diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/TextFormatting.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/TextFormatting.cs
deleted file mode 100644
index f7b2e518..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/TextFormatting.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-using System;
-
-namespace Crow.Coding
-{
-	public struct TextFormatting {
-		public Color Foreground;
-		public Color Background;
-		public bool Bold;
-		public bool Italic;
-
-		public TextFormatting(Color fg, Color bg, bool bold = false, bool italic = false){
-			Foreground = fg;
-			Background = bg;
-			Bold = bold;
-			Italic = italic;
-		}
-	}
-}
-
diff --git a/Samples/CrowIDE/src/Editors/CodeBuffer/Token.cs b/Samples/CrowIDE/src/Editors/CodeBuffer/Token.cs
deleted file mode 100644
index 8b4df5e5..00000000
--- a/Samples/CrowIDE/src/Editors/CodeBuffer/Token.cs
+++ /dev/null
@@ -1,71 +0,0 @@
-//
-//  Token.cs
-//
-//  Author:
-//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
-//
-//  Copyright (c) 2017 jp
-//
-//  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 3 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, see <http://www.gnu.org/licenses/>.
-using System;
-
-namespace Crow.Coding
-{
-	public struct Token
-	{
-		public BufferParser.TokenType Type;
-		public string Content;
-		public Point Start;
-		public Point End;
-
-		public string PrintableContent {
-			get { return string.IsNullOrEmpty(Content) ? "" : Content.Replace("\t", new String(' ', Interface.TabSize)); }
-		}
-
-//		public Token (TokenType tokType, string content = ""){
-//			Type = tokType;
-//			Content = content;
-//		}
-
-		public bool IsNull { get { return IsEmpty && Type == BufferParser.TokenType.Unknown; }}
-		public bool IsEmpty { get { return string.IsNullOrEmpty(Content); }}
-
-		public static bool operator == (Token t, System.Enum tt){
-			return Convert.ToInt32(t.Type) == Convert.ToInt32(tt);
-		}
-		public static bool operator != (Token t, System.Enum tt){
-			return Convert.ToInt32(t.Type) != Convert.ToInt32(tt);
-		}
-		public static bool operator == (System.Enum tt, Token t){
-			return Convert.ToInt32(t.Type) == Convert.ToInt32(tt);
-		}
-		public static bool operator != (System.Enum tt, Token t){
-			return Convert.ToInt32(t.Type) != Convert.ToInt32(tt);
-		}
-
-		public static Token operator +(Token t, char c){
-			t.Content += c;
-			return t;
-		}
-		public static Token operator +(Token t, string s){
-			t.Content += s;
-			return t;
-		}
-		public override string ToString ()
-		{
-			return string.Format ("[Tok{2}->{3}:{0}: {1}]", Type,Content,Start,End);
-		}
-	}
-}
-