Common/Controller.cs

   1 /*\r
   2  * Copyright (C) 2013 FooProject\r
   3  * * 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\r
   4  * the Free Software Foundation; either version 3 of the License, or (at your option) any later version.\r
   5 \r
   6  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of \r
   7  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.\r
   8 \r
   9 You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.\r
  10  */\r
  11 using System;\r
  12 using System.Globalization;\r
  13 using System.Text;\r
  14 using System.Linq;\r
  15 using System.Diagnostics;\r
  16 using System.Text.RegularExpressions;\r
  17 #if WINFORM\r
  18 using System.Drawing;\r
  19 #endif\r
  20 \r
  21 namespace FooEditEngine\r
  22 {\r
  23     internal enum MoveFlow\r
  24     {\r
  25         Horizontical,\r
  26         Vertical,\r
  27     }\r
  28     internal enum ScrollDirection\r
  29     {\r
  30         Up,\r
  31         Down,\r
  32         Left,\r
  33         Right,\r
  34     }\r
  35     /// <summary>\r
  36     /// ユーザー側からの処理を担当するクラス。一部を除き、こちらで行われた操作はアンドゥの対象になります\r
  37     /// </summary>\r
  38     internal sealed class Controller\r
  39     {\r
  40         EditView View;\r
  41         Document Document;\r
  42         int AnchorIndex;\r
  43         \r
  44         public Controller(Document doc, EditView view)\r
  45         {\r
  46             this.Document = doc;\r
  47             this.Document.Update += new DocumentUpdateEventHandler(Document_Update);\r
  48             this.Document.Progress += Document_Progress;\r
  49             this.View = view;\r
  50             this.View.render.ChangedRightToLeft += render_ChangedRightToLeft;\r
  51             this.View.render.ChangedRenderResource += render_ChangedRenderResource;\r
  52             this.View.PerformLayouted += View_LineBreakChanged;\r
  53             this.View.PageBoundChanged += View_PageBoundChanged;\r
  54             this.Document.Clear();\r
  55             this.CaretMoved += new EventHandler((s, e) => { });\r
  56         }\r
  57 \r
  58         /// <summary>\r
  59         /// キャレット移動時に通知される\r
  60         /// </summary>\r
  61         public event EventHandler CaretMoved;\r
  62 \r
  63 \r
  64         /// <summary>\r
  65         /// 矩形選択モードなら真を返し、そうでない場合は偽を返す\r
  66         /// </summary>\r
  67         public bool RectSelection\r
  68         {\r
  69             get;\r
  70             set;\r
  71         }\r
  72 \r
  73         /// <summary>\r
  74         /// 選択範囲の開始位置\r
  75         /// </summary>\r
  76         /// <remarks>SelectionLengthが0の場合、キャレット位置を表します</remarks>\r
  77         public int SelectionStart\r
  78         {\r
  79             get\r
  80             {\r
  81                 if (this.View.Selections.Count == 0)\r
  82                     return this.AnchorIndex;\r
  83                 else\r
  84                     return this.View.Selections.First().start;\r
  85             }\r
  86         }\r
  87 \r
  88         /// <summary>\r
  89         /// 選択範囲の長さ\r
  90         /// </summary>\r
  91         /// <remarks>矩形選択モードの場合、選択範囲の文字数ではなく、開始位置から終了位置までの長さとなります</remarks>\r
  92         public int SelectionLength\r
  93         {\r
  94             get\r
  95             {\r
  96                 if (this.View.Selections.Count == 0)\r
  97                     return 0;\r
  98                 Selection last = this.View.Selections.Last();\r
  99                 return last.start + last.length - this.SelectionStart;\r
 100             }\r
 101         }\r
 102 \r
 103         /// <summary>\r
 104         /// 選択範囲内の文字列を返す\r
 105         /// </summary>\r
 106         /// <remarks>\r
 107         /// 未選択状態で代入したときは追加され、そうでない場合は選択範囲の文字列と置き換えられます。\r
 108         /// </remarks>\r
 109         public string SelectedText\r
 110         {\r
 111             get\r
 112             {\r
 113                 if (this.View.LayoutLines.Count == 0 || this.View.Selections.Count == 0)\r
 114                     return null;\r
 115                 string str;\r
 116                 if (this.RectSelection)\r
 117                     str = GetTextFromRectangleSelectArea(this.View.Selections);\r
 118                 else\r
 119                     str = GetTextFromLineSelectArea(this.View.Selections);\r
 120                 return str.Replace(Document.NewLine.ToString(), Environment.NewLine);\r
 121             }\r
 122             set\r
 123             {\r
 124                 if (this.Document.FireUpdateEvent == false)\r
 125                     throw new InvalidOperationException("");\r
 126                 if (value == null)\r
 127                     return;\r
 128                 this.RepleaceSelectionArea(this.View.Selections, value.Replace(Environment.NewLine,Document.NewLine.ToString()));\r
 129             }\r
 130         }\r
 131 \r
 132         /// <summary>\r
 133         /// 選択範囲が逆転しているかどうかを判定する\r
 134         /// </summary>\r
 135         /// <returns>逆転しているなら真を返す</returns>\r
 136         public bool IsReverseSelect()\r
 137         {\r
 138             int index = this.View.LayoutLines.GetIndexFromTextPoint(this.View.CaretPostion);\r
 139             return index < this.AnchorIndex;\r
 140         }\r
 141 \r
 142         /// <summary>\r
 143         /// 指定された範囲を選択する\r
 144         /// </summary>\r
 145         /// <param name="start"></param>\r
 146         /// <param name="length"></param>\r
 147         /// <remarks>RectSelectionの値によって動作が変わります。真の場合は矩形選択モードに、そうでない場合は行ごとに選択されます</remarks>\r
 148         public void Select(int start, int length)\r
 149         {\r
 150             if (this.Document.FireUpdateEvent == false)\r
 151                 throw new InvalidOperationException("");\r
 152             if (start < 0 || start + length < 0 || start + length > this.Document.Length)\r
 153                 throw new ArgumentOutOfRangeException("startかendが指定できる範囲を超えてます");\r
 154             this.View.Selections.Clear();\r
 155             if (length < 0)\r
 156             {\r
 157                 int oldStart = start;\r
 158                 start += length;\r
 159                 length = oldStart - start;\r
 160             }\r
 161             if (this.RectSelection && length != 0)\r
 162             {\r
 163                 TextPoint startTextPoint = this.View.GetLayoutLineFromIndex(start);\r
 164                 TextPoint endTextPoint = this.View.GetLayoutLineFromIndex(start + length);\r
 165                 this.SelectByRectangle(new TextRectangle(startTextPoint, endTextPoint));\r
 166                 if (startTextPoint.col == endTextPoint.col)\r
 167                     this.View.InsertPoint = new SelectCollection(this.View.Selections);\r
 168                 else\r
 169                     this.View.InsertPoint = null;\r
 170             }\r
 171             else\r
 172             {\r
 173                 this.View.Selections.Add(Selection.Create(start, length));\r
 174                 this.View.InsertPoint = null;\r
 175             }\r
 176         }\r
 177 \r
 178         public void Select(TextPoint tp, int width, int height)\r
 179         {\r
 180             if (this.Document.FireUpdateEvent == false || !this.RectSelection)\r
 181                 throw new InvalidOperationException("");\r
 182             TextPoint end = tp;\r
 183 \r
 184             end.row = tp.row + height;\r
 185             end.col = tp.col + width;\r
 186             \r
 187             if (end.row > this.View.LayoutLines.Count - 1)\r
 188                 throw new ArgumentOutOfRangeException("");\r
 189             \r
 190             this.View.Selections.Clear();\r
 191             \r
 192             this.SelectByRectangle(new TextRectangle(tp,end));\r
 193             \r
 194             if (width == 0)\r
 195                 this.View.InsertPoint = new SelectCollection(this.View.Selections);\r
 196             else\r
 197                 this.View.InsertPoint = null;\r
 198         }\r
 199 \r
 200         private void SelectByRectangle(TextRectangle rect)\r
 201         {\r
 202             if (this.Document.FireUpdateEvent == false)\r
 203                 throw new InvalidOperationException("");\r
 204             if (rect.TopLeft <= rect.BottomRight)\r
 205             {\r
 206                 for (int i = rect.TopLeft.row; i <= rect.BottomLeft.row; i++)\r
 207                 {\r
 208                     LineToIndexTableData lineData = this.View.LayoutLines.GetData(i);\r
 209                     int leftCol = rect.TopLeft.col,\r
 210                         rightCol = rect.TopRight.col,\r
 211                         lastCol = this.View.LayoutLines[i][lineData.Length - 1] == Document.NewLine ? lineData.Length - 1 : lineData.Length;\r
 212                     if (lastCol < 0)\r
 213                         lastCol = 0;\r
 214                     if (rect.TopLeft.col > lastCol)\r
 215                         leftCol = lastCol;\r
 216                     if (rect.TopRight.col > lastCol)\r
 217                         rightCol = lastCol;\r
 218                     int padding = rect.TopLeft.col - leftCol;\r
 219 \r
 220                     int StartIndex = this.View.LayoutLines.GetIndexFromTextPoint(new TextPoint(i, leftCol));\r
 221                     int EndIndex = this.View.LayoutLines.GetIndexFromTextPoint(new TextPoint(i, rightCol));\r
 222 \r
 223                     Selection sel;\r
 224                     sel = Selection.Create(StartIndex, EndIndex - StartIndex,padding);\r
 225 \r
 226                     this.View.Selections.Add(sel);\r
 227                 }\r
 228             }\r
 229         }\r
 230 \r
 231         /// <summary>\r
 232         /// 単語単位で選択する\r
 233         /// </summary>\r
 234         /// <param name="index">探索を開始するインデックス</param>\r
 235         public void SelectWord(int index)\r
 236         {\r
 237             if (this.Document.FireUpdateEvent == false)\r
 238                 throw new InvalidOperationException("");\r
 239 \r
 240             if (this.Document.Length <= 0 || index >= this.Document.Length)\r
 241                 return;\r
 242 \r
 243             Document str = this.Document;\r
 244 \r
 245             int start = index;\r
 246             while (start > 0 && !Util.IsWordSeparator(str[start]))\r
 247                 start--;\r
 248 \r
 249             if (Util.IsWordSeparator(str[start]))\r
 250                 start++;\r
 251 \r
 252             int end = index;\r
 253             while (end < this.Document.Length && !Util.IsWordSeparator(str[end]))\r
 254                 end++;\r
 255 \r
 256             this.Select(start, end - start);\r
 257         }\r
 258 \r
 259         /// <summary>\r
 260         /// 選択範囲内のUTF32コードポイントを文字列に変換します\r
 261         /// </summary>\r
 262         /// <returns>成功した場合は真。そうでない場合は偽を返す</returns>\r
 263         public bool ConvertToChar()\r
 264         {\r
 265             if (this.SelectionLength == 0 || this.RectSelection)\r
 266                 return false;\r
 267             string str = this.Document.ToString(this.SelectionStart, this.SelectionLength);\r
 268             string[] codes = str.Split(new char[] { ' ' },StringSplitOptions.RemoveEmptyEntries);\r
 269             StringBuilder result = new StringBuilder();\r
 270             foreach (string code in codes)\r
 271             {\r
 272                 int utf32_code;\r
 273                 if (code[0] != 'U')\r
 274                     return false;\r
 275                 if (Int32.TryParse(code.TrimStart('U'),NumberStyles.HexNumber,null, out utf32_code))\r
 276                     result.Append(Char.ConvertFromUtf32(utf32_code));\r
 277                 else\r
 278                     return false;\r
 279             }\r
 280             this.Document.Replace(this.SelectionStart, this.SelectionLength, result.ToString());\r
 281             return true;\r
 282         }\r
 283 \r
 284         /// <summary>\r
 285         /// 選択文字列をUTF32のコードポイントに変換します\r
 286         /// </summary>\r
 287         public void ConvertToCodePoint()\r
 288         {\r
 289             if (this.SelectionLength == 0 || this.RectSelection)\r
 290                 return;\r
 291             string str = this.Document.ToString(this.SelectionStart, this.SelectionLength);\r
 292             StringInfo info = new StringInfo(str);\r
 293             StringBuilder result = new StringBuilder();\r
 294             for (int i = 0; i < str.Length;)\r
 295             {\r
 296                 int utf32_code = Char.ConvertToUtf32(str, i); \r
 297                 result.Append("U" + Convert.ToString(utf32_code,16));\r
 298                 result.Append(' ');\r
 299                 if(Char.IsHighSurrogate(str[i]))\r
 300                     i += 2;\r
 301                 else\r
 302                     i++;\r
 303             }\r
 304             this.Document.Replace(this.SelectionStart, this.SelectionLength, result.ToString());\r
 305         }\r
 306 \r
 307         /// <summary>\r
 308         /// 選択を解除する\r
 309         /// </summary>\r
 310         public void DeSelectAll()\r
 311         {\r
 312             if (this.Document.FireUpdateEvent == false)\r
 313                 throw new InvalidOperationException("");\r
 314 \r
 315             this.View.Selections.Clear();\r
 316         }\r
 317 \r
 318         /// <summary>\r
 319         /// 任意のマーカーかどうか\r
 320         /// </summary>\r
 321         /// <param name="tp"></param>\r
 322         /// <param name="type"></param>\r
 323         /// <returns>真ならマーカーがある</returns>\r
 324         public bool IsMarker(TextPoint tp,HilightType type)\r
 325         {\r
 326             if (this.Document.FireUpdateEvent == false)\r
 327                 throw new InvalidOperationException("");\r
 328             int index = this.View.LayoutLines.GetIndexFromTextPoint(tp);\r
 329             return this.IsMarker(index, type);\r
 330         }\r
 331 \r
 332         /// <summary>\r
 333         /// 任意のマーカーかどうか判定する\r
 334         /// </summary>\r
 335         /// <param name="index"></param>\r
 336         /// <param name="type"></param>\r
 337         /// <returns>真ならマーカーがある</returns>\r
 338         public bool IsMarker(int index, HilightType type)\r
 339         {\r
 340             foreach (Marker m in this.Document.GetMarkers(index))\r
 341             {\r
 342                 if (m.hilight == type)\r
 343                     return true;\r
 344             }\r
 345             return false;\r
 346         }\r
 347 \r
 348         /// <summary>\r
 349         /// キャレット位置を再調整する\r
 350         /// </summary>\r
 351         public void AdjustCaret()\r
 352         {\r
 353             int row = this.View.CaretPostion.row;\r
 354             if (row > this.View.LayoutLines.Count - 1)\r
 355                 row = this.View.LayoutLines.Count - 1;\r
 356             int col = this.View.CaretPostion.col;\r
 357             if (col > 0 && col > this.View.LayoutLines[row].Length)\r
 358                 col = this.View.LayoutLines[row].Length;\r
 359             this.JumpCaret(row, col);\r
 360         }\r
 361 \r
 362         /// <summary>\r
 363         /// キャレットを指定した位置に移動させる\r
 364         /// </summary>\r
 365         /// <param name="index"></param>\r
 366         /// <param name="autoExpand">折り畳みを展開するなら真</param>\r
 367         public void JumpCaret(int index,bool autoExpand = true)\r
 368         {\r
 369             if (index < 0 || index > this.Document.Length)\r
 370                 throw new ArgumentOutOfRangeException("indexが設定できる範囲を超えています");\r
 371             TextPoint tp = this.View.GetLayoutLineFromIndex(index);\r
 372 \r
 373             this.JumpCaret(tp.row, tp.col,autoExpand);\r
 374          }\r
 375 \r
 376         /// <summary>\r
 377         /// キャレットを指定した位置に移動させる\r
 378         /// </summary>\r
 379         /// <param name="row"></param>\r
 380         /// <param name="col"></param>\r
 381         /// <param name="autoExpand">折り畳みを展開するなら真</param>\r
 382         public void JumpCaret(int row, int col, bool autoExpand = true)\r
 383         {\r
 384             if (this.Document.FireUpdateEvent == false)\r
 385                 throw new InvalidOperationException("");\r
 386 \r
 387             this.View.JumpCaret(row, col,autoExpand);\r
 388 \r
 389             this.View.AdjustCaretAndSrc();\r
 390 \r
 391             this.SelectWithMoveCaret(false);\r
 392 \r
 393             this.CaretMoved(this, null);\r
 394         }\r
 395 \r
 396         /// <summary>\r
 397         /// ドキュメントの先頭に移動する\r
 398         /// </summary>\r
 399         /// <param name="isSelected"></param>\r
 400         public void JumpToHead(bool isSelected)\r
 401         {\r
 402             if (this.View.TryScroll(0, 0))\r
 403                 return;\r
 404             this.View.JumpCaret(0, 0);\r
 405             this.View.AdjustCaretAndSrc();\r
 406             this.SelectWithMoveCaret(isSelected);\r
 407             this.CaretMoved(this, null);\r
 408         }\r
 409 \r
 410         /// <summary>\r
 411         /// ドキュメントの終わりにに移動する\r
 412         /// </summary>\r
 413         /// <param name="isSelected"></param>\r
 414         public void JumpToEnd(bool isSelected)\r
 415         {\r
 416             int srcRow = this.View.LayoutLines.Count - this.View.LineCountOnScreen - 1;\r
 417             if(srcRow < 0)\r
 418                 srcRow = 0;\r
 419             if (this.View.TryScroll(0, srcRow))\r
 420                 return;\r
 421             this.View.JumpCaret(this.View.LayoutLines.Count - 1, 0);\r
 422             this.View.AdjustCaretAndSrc();\r
 423             this.SelectWithMoveCaret(isSelected);\r
 424             this.CaretMoved(this, null);\r
 425         }\r
 426 \r
 427         /// <summary>\r
 428         /// スクロールする\r
 429         /// </summary>\r
 430         /// <param name="dir">方向を指定する</param>\r
 431         /// <param name="delta">スクロールする量。ScrollDirectionの値がUpやDownなら行数。LeftやRightならピクセル単位の値となる</param>\r
 432         /// <param name="isSelected">選択状態にするなら真</param>\r
 433         /// <param name="withCaret">同時にキャレットを移動させるなら真</param>\r
 434         public void Scroll(ScrollDirection dir, int delta, bool isSelected,bool withCaret)\r
 435         {\r
 436             if (this.Document.FireUpdateEvent == false)\r
 437                 throw new InvalidOperationException("");\r
 438             int toRow = this.View.Src.Row;\r
 439             double toX = this.View.Src.X;\r
 440             switch (dir)\r
 441             {\r
 442                 case ScrollDirection.Up:\r
 443                     toRow = Math.Max(0, this.View.Src.Row - delta);\r
 444                     toRow = this.View.AdjustRow(toRow, false);\r
 445                     break;\r
 446                 case ScrollDirection.Down:\r
 447                     toRow = Math.Min(this.View.Src.Row + delta, this.View.LayoutLines.Count - 1);\r
 448                     toRow = this.View.AdjustRow(toRow, true);\r
 449                     break;\r
 450                 case ScrollDirection.Left:\r
 451                     toX -= delta;\r
 452                     break;\r
 453                 case ScrollDirection.Right:\r
 454                     toX += delta;\r
 455                     break;\r
 456                 default:\r
 457                     throw new ArgumentOutOfRangeException();\r
 458             }\r
 459             this.Scroll(toX, toRow, isSelected, withCaret);\r
 460         }\r
 461 \r
 462         /// <summary>\r
 463         /// スクロールする\r
 464         /// </summary>\r
 465         /// <param name="toX">スクロール先の座標</param>\r
 466         /// <param name="toRow">スクロール先の行</param>\r
 467         /// <param name="isSelected">選択状態にするなら真</param>\r
 468         /// <param name="withCaret">同時にキャレットを移動させるなら真</param>\r
 469         public void Scroll(double toX, int toRow, bool isSelected, bool withCaret)\r
 470         {\r
 471             if (withCaret)\r
 472             {\r
 473                 this.View.Scroll(toX, toRow);\r
 474                 this.View.JumpCaret(toRow, 0);\r
 475                 this.View.AdjustCaretAndSrc();\r
 476                 this.SelectWithMoveCaret(isSelected);\r
 477                 this.CaretMoved(this, null);\r
 478             }\r
 479             else\r
 480             {\r
 481                 this.View.Scroll(toX, toRow);\r
 482                 this.View.HideCaret = true;\r
 483             }\r
 484         }\r
 485 \r
 486         /// <summary>\r
 487         /// キャレットを動かすことができるかどうか\r
 488         /// </summary>\r
 489         /// <param name="realLength"></param>\r
 490         /// <param name="flow"></param>\r
 491         /// <returns>移動できるなら真。そうでないなら偽</returns>\r
 492         public bool IsCanMoveCaret(int realLength,MoveFlow flow)\r
 493         {\r
 494             LineToIndexTableData lineData = this.View.LayoutLines.GetData(this.View.CaretPostion.row);\r
 495             int index = lineData.Index + this.View.CaretPostion.col;\r
 496             int documentEndIndex = this.Document.Length - 1;\r
 497             FoldingItem foldingData = this.View.LayoutLines.FoldingCollection.GetFarestHiddenFoldingData(index, lineData.Length);\r
 498             if (foldingData != null && !foldingData.Expand && foldingData.End == documentEndIndex)\r
 499             {\r
 500                 documentEndIndex = lineData.Index + lineData.Length - 1;\r
 501                 if (this.Document[documentEndIndex] == Document.NewLine)\r
 502                     documentEndIndex--;\r
 503             }\r
 504 \r
 505             if (flow == MoveFlow.Vertical)\r
 506             {\r
 507                 if (realLength < 0 && index == 0)\r
 508                     return false;\r
 509                 else if (realLength > 0 && index >= documentEndIndex)\r
 510                     return false;\r
 511             }\r
 512             else if (flow == MoveFlow.Horizontical)\r
 513             {\r
 514                 bool IncrimentCaret = realLength > 0;\r
 515                 if (this.View.render.RightToLeft)\r
 516                     IncrimentCaret = !IncrimentCaret;\r
 517                 if (!IncrimentCaret && index == 0)\r
 518                     return false;\r
 519                 else if (IncrimentCaret && index > documentEndIndex)\r
 520                     return false;                \r
 521             }\r
 522             return true;\r
 523         }\r
 524 \r
 525         /// <summary>\r
 526         /// キャレットを桁方向に移動させる\r
 527         /// </summary>\r
 528         /// <returns>移動できない場合は真を返す</returns>\r
 529         /// <param name="realLength">負の値なら左側へ、そうでないなら右側へ移動する</param>\r
 530         /// <param name="isSelected">選択範囲とするなら真。そうでないなら偽</param>\r
 531         /// <param name="alignWord">単語単位で移動するなら真。そうでないなら偽</param>\r
 532         public void MoveCaretHorizontical(int realLength, bool isSelected,bool alignWord = false)\r
 533         {\r
 534             for (int i = Math.Abs(realLength); i > 0; i--)\r
 535             {\r
 536                 bool MoveFlow = realLength > 0;\r
 537                 if (this.View.render.RightToLeft)\r
 538                     MoveFlow = !MoveFlow;\r
 539                 this.MoveCaretHorizontical(MoveFlow);\r
 540 \r
 541                 if (alignWord)\r
 542                     this.AlignNearestWord(MoveFlow);\r
 543             }\r
 544             this.View.AdjustCaretAndSrc(AdjustFlow.Col);\r
 545             this.SelectWithMoveCaret(isSelected);\r
 546             this.CaretMoved(this, null);\r
 547         }\r
 548 \r
 549         void AlignNearestWord(bool MoveFlow)\r
 550         {\r
 551             string str = this.View.LayoutLines[this.View.CaretPostion.row];\r
 552             while (this.View.CaretPostion.col > 0 &&\r
 553                 this.View.CaretPostion.col < str.Length &&\r
 554                 str[this.View.CaretPostion.col] != Document.NewLine)\r
 555             {\r
 556                 if (!Util.IsWordSeparator(str[this.View.CaretPostion.col]))\r
 557                 {\r
 558                     this.MoveCaretHorizontical(MoveFlow);\r
 559                 }\r
 560                 else\r
 561                 {\r
 562                     if(MoveFlow)\r
 563                         this.MoveCaretHorizontical(MoveFlow);\r
 564                     break;\r
 565                 }\r
 566             }\r
 567         }\r
 568 \r
 569         /// <summary>\r
 570         /// キャレットを行方向に移動させる\r
 571         /// </summary>\r
 572         /// <returns>再描写する必要があるなら真を返す</returns>\r
 573         /// <param name="deltarow">移動量</param>\r
 574         /// <param name="isSelected"></param>\r
 575         public void MoveCaretVertical(int deltarow,bool isSelected)\r
 576         {\r
 577             for (int i = Math.Abs(deltarow); i > 0; i--)\r
 578                 this.MoveCaretVertical(deltarow > 0);\r
 579             this.View.AdjustCaretAndSrc(AdjustFlow.Both);\r
 580             this.SelectWithMoveCaret(isSelected);\r
 581             this.CaretMoved(this, null);\r
 582         }\r
 583 \r
 584         /// <summary>\r
 585         /// キャレット位置の文字を一文字削除する\r
 586         /// </summary>\r
 587         public void DoDeleteAction()\r
 588         {\r
 589             if (this.SelectionLength != 0)\r
 590             {\r
 591                 this.SelectedText = "";\r
 592                 return;\r
 593             }\r
 594             \r
 595             if (this.Document.FireUpdateEvent == false)\r
 596                 throw new InvalidOperationException("");\r
 597 \r
 598             TextPoint CaretPostion = this.View.CaretPostion;\r
 599             int index = this.View.GetIndexFromLayoutLine(CaretPostion);\r
 600 \r
 601             if (index == this.Document.Length)\r
 602                 return;\r
 603 \r
 604             LineToIndexTableData currentLine = this.View.LayoutLines.GetData(CaretPostion.row);\r
 605 \r
 606             int next = currentLine.Layout.AlignIndexToNearestCluster(CaretPostion.col, AlignDirection.Forward) + currentLine.Index;\r
 607 \r
 608             if (this.Document[index] == Document.NewLine)\r
 609                 next = index + 1;\r
 610 \r
 611             this.Document.Replace(index, next - index, "");\r
 612         }\r
 613 \r
 614         /// <summary>\r
 615         /// キャレット位置の文字を一文字削除し、キャレット位置を後ろにずらす\r
 616         /// </summary>\r
 617         public void DoBackSpaceAction()\r
 618         {\r
 619             if (this.View.InsertPoint != null)\r
 620             {\r
 621                 this.ReplaceBeforeSelectionArea(this.View.Selections, 1, "");\r
 622                 return;\r
 623             }\r
 624             else if (this.SelectionLength > 0)\r
 625             {\r
 626                 this.SelectedText = "";\r
 627                 return;\r
 628             }\r
 629 \r
 630             if (this.Document.FireUpdateEvent == false)\r
 631                 throw new InvalidOperationException("");\r
 632 \r
 633             TextPoint CurrentPostion = this.View.CaretPostion;\r
 634 \r
 635             if (CurrentPostion.row == 0 && CurrentPostion.col == 0)\r
 636                 return;\r
 637 \r
 638             int oldIndex = this.View.GetIndexFromLayoutLine(CurrentPostion);\r
 639 \r
 640             int newCol, newIndex;\r
 641             if (CurrentPostion.col > 0)\r
 642             {\r
 643                 newCol = this.View.LayoutLines.GetData(CurrentPostion.row).Layout.AlignIndexToNearestCluster(CurrentPostion.col - 1, AlignDirection.Back);\r
 644                 newIndex = this.View.GetIndexFromLayoutLine(new TextPoint(CurrentPostion.row, newCol));\r
 645             }\r
 646             else\r
 647             {\r
 648                 newIndex = this.View.GetIndexFromLayoutLine(CurrentPostion);\r
 649                 newIndex--;\r
 650             }\r
 651 \r
 652             this.Document.Replace(newIndex, oldIndex - newIndex, "");\r
 653         }\r
 654 \r
 655         /// <summary>\r
 656         /// キャレット位置で行を分割する\r
 657         /// </summary>\r
 658         public void DoEnterAction()\r
 659         {            \r
 660             this.DoInputChar('\n');\r
 661         }\r
 662 \r
 663         /// <summary>\r
 664         /// キャレット位置に文字を入力し、その分だけキャレットを進める。isInsertModeの値により動作が変わります\r
 665         /// </summary>\r
 666         /// <param name="ch"></param>\r
 667         public void DoInputChar(char ch)\r
 668         {\r
 669             this.DoInputString(ch.ToString());\r
 670         }\r
 671 \r
 672         /// <summary>\r
 673         /// キャレット位置に文字列を挿入し、その分だけキャレットを進める。isInsertModeの値により動作が変わります\r
 674         /// </summary>\r
 675         /// <param name="str"></param>\r
 676         /// <param name="fromTip"></param>\r
 677         public void DoInputString(string str,bool fromTip = false)\r
 678         {\r
 679             if (this.View.InsertPoint != null)\r
 680             {\r
 681                 this.ReplaceBeforeSelectionArea(this.View.Selections, 0, str);\r
 682                 return;\r
 683             }\r
 684             else if (this.SelectionLength != 0)\r
 685             {\r
 686                 this.RepleaceSelectionArea(this.View.Selections, str, fromTip);\r
 687                 return;\r
 688             }\r
 689 \r
 690             if (this.Document.FireUpdateEvent == false)\r
 691                 throw new InvalidOperationException("");\r
 692 \r
 693             int index = this.View.GetIndexFromLayoutLine(this.View.CaretPostion);\r
 694             int length = 0;\r
 695             if (this.View.InsertMode == false && index < this.Document.Length && this.Document[index] != Document.NewLine)\r
 696             {\r
 697                 TextPoint CaretPos = this.View.CaretPostion;\r
 698                 string lineString = this.View.LayoutLines[CaretPos.row];\r
 699                 int end = this.View.LayoutLines.GetData(CaretPos.row).Layout.AlignIndexToNearestCluster(CaretPos.col + str.Length - 1, AlignDirection.Forward);\r
 700                 if (end > lineString.Length - 1)\r
 701                     end = lineString.Length - 1;\r
 702                 end += this.View.LayoutLines.GetData(CaretPos.row).Index;\r
 703                 length = end - index;\r
 704             }\r
 705             if (str == Document.NewLine.ToString())\r
 706             {\r
 707                 LineToIndexTableData lineData = this.View.LayoutLines.GetData(this.View.CaretPostion.row);\r
 708                 FoldingItem foldingData = this.View.LayoutLines.FoldingCollection.GetFarestHiddenFoldingData(lineData.Index, lineData.Length);\r
 709                 if (foldingData != null && !foldingData.Expand && index > foldingData.Start && index <= foldingData.End)\r
 710                     index = foldingData.End + 1;\r
 711             }\r
 712             this.Document.Replace(index, length, str);\r
 713         }\r
 714 \r
 715         /// <summary>\r
 716         /// キャレットの移動に合わせて選択する\r
 717         /// </summary>\r
 718         /// <param name="isSelected">選択状態にするかどうか</param>\r
 719         /// <remarks>\r
 720         /// キャレットを移動後、このメソッドを呼び出さない場合、Select()メソッドは正常に機能しません\r
 721         /// </remarks>\r
 722         void SelectWithMoveCaret(bool isSelected)\r
 723         {\r
 724             if (this.View.CaretPostion.col < 0 || this.View.CaretPostion.row < 0)\r
 725                 return;\r
 726 \r
 727             if (this.Document.FireUpdateEvent == false)\r
 728                 throw new InvalidOperationException("");\r
 729 \r
 730             int CaretPostion = this.View.GetIndexFromLayoutLine(this.View.CaretPostion);\r
 731             \r
 732             SelectCollection Selections = this.View.Selections;\r
 733             if (isSelected)\r
 734                 this.Select(this.AnchorIndex, CaretPostion - this.AnchorIndex);\r
 735             else\r
 736             {\r
 737                 this.View.Selections.Clear();\r
 738                 this.AnchorIndex = CaretPostion;\r
 739                 this.View.InsertPoint = null;\r
 740             }\r
 741         }\r
 742 \r
 743         /// <summary>\r
 744         /// JumpCaretで移動した位置からキャレットを移動し、選択状態にする\r
 745         /// </summary>\r
 746         /// <param name="tp"></param>\r
 747         public void MoveCaretAndSelect(TextPoint tp)\r
 748         {\r
 749             int CaretPostion = this.View.GetIndexFromLayoutLine(tp);\r
 750             this.Select(this.AnchorIndex, CaretPostion - this.AnchorIndex);\r
 751             this.View.JumpCaret(tp.row, tp.col);\r
 752             this.View.AdjustCaretAndSrc();\r
 753         }\r
 754 \r
 755         public void MoveSelectBefore(TextPoint tp)\r
 756         {\r
 757             int NewAnchorIndex;\r
 758             int SelectionLength;\r
 759             if (this.IsReverseSelect())\r
 760             {\r
 761                 NewAnchorIndex = this.View.GetIndexFromLayoutLine(tp);\r
 762                 SelectionLength = this.SelectionLength + NewAnchorIndex - this.AnchorIndex;\r
 763                 this.Select(this.SelectionStart, SelectionLength);\r
 764             }\r
 765             else\r
 766             {\r
 767                 NewAnchorIndex = this.View.GetIndexFromLayoutLine(tp);\r
 768                 SelectionLength = this.SelectionLength + this.AnchorIndex - NewAnchorIndex;\r
 769                 this.Select(NewAnchorIndex, SelectionLength);\r
 770             }\r
 771             this.AnchorIndex = NewAnchorIndex;\r
 772         }\r
 773 \r
 774         /// <summary>\r
 775         /// キャレット位置を既定の位置に戻す\r
 776         /// </summary>\r
 777         public void ResetCaretPostion()\r
 778         {\r
 779             this.JumpCaret(0);\r
 780         }\r
 781 \r
 782         /// <summary>\r
 783         /// 行単位で移動後のキャレット位置を取得する\r
 784         /// </summary>\r
 785         /// <param name="count">移動量</param>\r
 786         /// <param name="current">現在のキャレット位置</param>\r
 787         /// <returns>移動後のキャレット位置</returns>\r
 788         public TextPoint GetTextPointAfterMoveLine(int count, TextPoint current)\r
 789         {\r
 790             int row = current.row + count;\r
 791 \r
 792             if (row < 0)\r
 793                 row = 0;\r
 794             else if (row >= this.View.LayoutLines.Count)\r
 795                 row = this.View.LayoutLines.Count - 1;\r
 796 \r
 797             row = this.View.AdjustRow(row, count > 0);\r
 798 \r
 799             double x = this.View.GetXFromIndex(current.row, current.col);\r
 800             int col = this.View.GetIndexFromX(row, x);\r
 801 \r
 802             return new TextPoint(row, col);\r
 803         }\r
 804 \r
 805         /// <summary>\r
 806         /// 選択文字列のインデントを一つ増やす\r
 807         /// </summary>\r
 808         public void UpIndent()\r
 809         {\r
 810             if (this.RectSelection || this.SelectionLength == 0)\r
 811                 return;\r
 812             int selectionStart = this.SelectionStart;\r
 813             string text = this.InsertLineHead(GetTextFromLineSelectArea(this.View.Selections), "\t");\r
 814             this.RepleaceSelectionArea(this.View.Selections,text);\r
 815             this.Select(selectionStart, text.Length);\r
 816         }\r
 817 \r
 818         /// <summary>\r
 819         /// 選択文字列のインデントを一つ減らす\r
 820         /// </summary>\r
 821         public void DownIndent()\r
 822         {\r
 823             if (this.RectSelection || this.SelectionLength == 0)\r
 824                 return;\r
 825             int selectionStart = this.SelectionStart;\r
 826             string text = this.RemoveLineHead(GetTextFromLineSelectArea(this.View.Selections), "\t");\r
 827             this.RepleaceSelectionArea(this.View.Selections, text);\r
 828             this.Select(selectionStart, text.Length);\r
 829         }\r
 830 \r
 831         string InsertLineHead(string s, string str)\r
 832         {\r
 833             string[] lines = s.Split(new string[] { Document.NewLine.ToString() }, StringSplitOptions.RemoveEmptyEntries);\r
 834             StringBuilder output = new StringBuilder();\r
 835             for (int i = 0; i < lines.Length; i++)\r
 836                 output.AppendLine(str + lines[i]);\r
 837             return output.ToString();\r
 838         }\r
 839 \r
 840         public string RemoveLineHead(string s, string str)\r
 841         {\r
 842             string[] lines = s.Split(new string[] { Document.NewLine.ToString() }, StringSplitOptions.RemoveEmptyEntries);\r
 843             StringBuilder output = new StringBuilder();\r
 844             for (int i = 0; i < lines.Length; i++)\r
 845                 if (lines[i].StartsWith(str))\r
 846                     output.AppendLine(lines[i].Substring(1));\r
 847                 else\r
 848                     output.AppendLine(lines[i]);\r
 849             return output.ToString();\r
 850         }\r
 851 \r
 852         /// <summary>\r
 853         /// キャレットを一文字移動させる\r
 854         /// </summary>\r
 855         /// <param name="isMoveNext">真なら１文字すすめ、そうでなければ戻す</param>\r
 856         /// <remarks>このメソッドを呼び出した後でScrollToCaretメソッドとSelectWithMoveCaretメソッドを呼び出す必要があります</remarks>\r
 857         void MoveCaretHorizontical(bool isMoveNext)\r
 858         {\r
 859             if (this.Document.FireUpdateEvent == false)\r
 860                 throw new InvalidOperationException("");\r
 861             int delta = isMoveNext ? 0 : -1;\r
 862             int prevcol = this.View.CaretPostion.col;\r
 863             int col = this.View.CaretPostion.col + delta;\r
 864             string lineString = this.View.LayoutLines[this.View.CaretPostion.row];\r
 865             if (col < 0 || this.View.CaretPostion.row >= this.View.LayoutLines.Count)\r
 866             {\r
 867                 if (this.View.CaretPostion.row == 0)\r
 868                 {\r
 869                     col = 0;\r
 870                     return;\r
 871                 }\r
 872                 this.MoveCaretVertical(false);\r
 873                 this.View.AdjustCaretAndSrc(AdjustFlow.Row);  //この段階で調整しないとスクロールされない\r
 874                 col = this.View.LayoutLines.GetData(this.View.CaretPostion.row).Length - 1;  //最終行以外はすべて改行コードが付くはず\r
 875             }\r
 876             else if (col >= lineString.Length || lineString[col] == Document.NewLine)\r
 877             {\r
 878                 if (this.View.CaretPostion.row < this.View.LayoutLines.Count - 1)\r
 879                 {\r
 880                     this.MoveCaretVertical(true);\r
 881                     this.View.AdjustCaretAndSrc(AdjustFlow.Row);  //この段階で調整しないとスクロールされない\r
 882                     col = 0;\r
 883                 }\r
 884             }\r
 885             else\r
 886             {\r
 887                 AlignDirection direction = isMoveNext ? AlignDirection.Forward : AlignDirection.Back;\r
 888                 col = this.View.LayoutLines.GetData(this.View.CaretPostion.row).Layout.AlignIndexToNearestCluster(col, direction);\r
 889             }\r
 890 \r
 891             this.View.JumpCaret(this.View.CaretPostion.row, col,false);\r
 892         }\r
 893 \r
 894         /// <summary>\r
 895         /// キャレットを行方向に移動させる\r
 896         /// </summary>\r
 897         /// <param name="isMoveNext">プラス方向に移動するなら真</param>\r
 898         /// <remarks>このメソッドを呼び出した後でScrollToCaretメソッドとSelectWithMoveCaretメソッドを呼び出す必要があります</remarks>\r
 899         void MoveCaretVertical(bool isMoveNext)\r
 900         {\r
 901             if (this.Document.FireUpdateEvent == false)\r
 902                 throw new InvalidOperationException("");\r
 903 \r
 904             TextPoint nextPoint = this.GetTextPointAfterMoveLine(isMoveNext ? 1 : -1, this.View.CaretPostion);\r
 905             \r
 906             this.View.JumpCaret(nextPoint.row, nextPoint.col,false);\r
 907         }\r
 908 \r
 909         private void ReplaceBeforeSelectionArea(SelectCollection Selections, int removeLength, string insertStr)\r
 910         {\r
 911             if (removeLength == 0 && insertStr.Length == 0)\r
 912                 return;\r
 913 \r
 914             if (this.RectSelection == false || this.Document.FireUpdateEvent == false)\r
 915                 throw new InvalidOperationException();\r
 916 \r
 917             SelectCollection temp = this.View.InsertPoint;\r
 918             int selectStart = temp.First().start;\r
 919             int selectEnd = temp.Last().start + temp.Last().length;\r
 920 \r
 921             //ドキュメント操作後に行うとうまくいかないので、あらかじめ取得しておく\r
 922             TextPoint start = this.View.LayoutLines.GetTextPointFromIndex(selectStart);\r
 923             TextPoint end = this.View.LayoutLines.GetTextPointFromIndex(selectEnd);\r
 924 \r
 925             bool reverse = temp.First().start > temp.Last().start;\r
 926 \r
 927             int lineHeadIndex = this.View.LayoutLines.GetIndexFromLineNumber(this.View.LayoutLines.GetLineNumberFromIndex(selectStart));\r
 928             if (selectStart - removeLength < lineHeadIndex)\r
 929                 return;\r
 930 \r
 931             this.Document.UndoManager.BeginUndoGroup();\r
 932             this.Document.FireUpdateEvent = false;\r
 933 \r
 934             if (reverse)\r
 935             {\r
 936                 for (int i = 0; i < temp.Count; i++)\r
 937                 {\r
 938                     this.ReplaceBeforeSelection(temp[i], removeLength, insertStr);\r
 939                 }\r
 940             }\r
 941             else\r
 942             {\r
 943                 for (int i = temp.Count - 1; i >= 0; i--)\r
 944                 {\r
 945                     this.ReplaceBeforeSelection(temp[i], removeLength, insertStr);\r
 946                 }\r
 947             }\r
 948 \r
 949             this.Document.FireUpdateEvent = true;\r
 950             this.Document.UndoManager.EndUndoGroup();\r
 951 \r
 952             int delta = insertStr.Length - removeLength;\r
 953             start.col += delta;\r
 954             end.col += delta;\r
 955 \r
 956             if (reverse)\r
 957                 this.JumpCaret(start.row, start.col);\r
 958             else\r
 959                 this.JumpCaret(end.row, end.col);\r
 960             \r
 961             this.Select(start, 0, end.row - start.row);\r
 962         }\r
 963 \r
 964         private void ReplaceBeforeSelection(Selection sel, int removeLength, string insertStr)\r
 965         {\r
 966             sel = Util.NormalizeIMaker<Selection>(sel);\r
 967             insertStr = Util.Generate(' ', sel.padding) + insertStr;\r
 968             this.Document.Replace(sel.start - removeLength, removeLength, insertStr);\r
 969         }\r
 970 \r
 971         private void RepleaceSelectionArea(SelectCollection Selections, string value,bool updateInsertPoint = false)\r
 972         {\r
 973             if (value == null)\r
 974                 return;\r
 975 \r
 976             if (this.RectSelection == false)\r
 977             {\r
 978                 Selection sel = Selection.Create(this.AnchorIndex, 0);\r
 979                 if (Selections.Count > 0)\r
 980                     sel = Util.NormalizeIMaker<Selection>(this.View.Selections.First());\r
 981 \r
 982                 this.Document.Replace(sel.start, sel.length, value);\r
 983                 return;\r
 984             }\r
 985 \r
 986             if (this.Document.FireUpdateEvent == false)\r
 987                 throw new InvalidOperationException("");\r
 988 \r
 989             int StartIndex = this.SelectionStart;\r
 990 \r
 991             SelectCollection newInsertPoint = new SelectCollection();\r
 992 \r
 993             if (this.SelectionLength == 0)\r
 994             {\r
 995                 int i;\r
 996 \r
 997                 this.Document.UndoManager.BeginUndoGroup();\r
 998 \r
 999                 this.Document.FireUpdateEvent = false;\r
1000 \r
1001                 string[] line = value.Split(new string[] { Document.NewLine.ToString() }, StringSplitOptions.RemoveEmptyEntries);\r
1002 \r
1003                 TextPoint Current = this.View.GetLayoutLineFromIndex(this.SelectionStart);\r
1004 \r
1005                 for (i = 0; i < line.Length && Current.row < this.View.LayoutLines.Count; i++, Current.row++)\r
1006                 {\r
1007                     if (Current.col > this.View.LayoutLines[Current.row].Length)\r
1008                         Current.col = this.View.LayoutLines[Current.row].Length;\r
1009                     StartIndex = this.View.GetIndexFromLayoutLine(Current);\r
1010                     this.Document.Replace(StartIndex, 0, line[i]);\r
1011                     StartIndex += line[i].Length;\r
1012                 }\r
1013 \r
1014                 for (; i < line.Length; i++)\r
1015                 {\r
1016                     StartIndex = this.Document.Length;\r
1017                     string str = Document.NewLine + line[i];\r
1018                     this.Document.Replace(StartIndex, 0, str);\r
1019                     StartIndex += str.Length;\r
1020                 }\r
1021 \r
1022                 this.Document.FireUpdateEvent = true;\r
1023 \r
1024                 this.Document.UndoManager.EndUndoGroup();\r
1025             }\r
1026             else\r
1027             {\r
1028                 SelectCollection temp = new SelectCollection(this.View.Selections); //コピーしないとReplaceCommandを呼び出した段階で書き換えられてしまう\r
1029 \r
1030                 this.Document.UndoManager.BeginUndoGroup();\r
1031 \r
1032                 this.Document.FireUpdateEvent = false;\r
1033 \r
1034                 if (temp.First().start < temp.Last().start)\r
1035                 {\r
1036                     for (int i = temp.Count - 1; i >= 0; i--)\r
1037                     {\r
1038                         Selection sel = Util.NormalizeIMaker<Selection>(temp[i]);\r
1039 \r
1040                         StartIndex = sel.start;\r
1041 \r
1042                         this.Document.Replace(sel.start, sel.length, value);\r
1043 \r
1044                         newInsertPoint.Add(Selection.Create(sel.start + (value.Length - sel.length) * i,0));\r
1045                     }\r
1046                 }\r
1047                 else\r
1048                 {\r
1049                     for (int i = 0; i < temp.Count; i++)\r
1050                     {\r
1051                         Selection sel = Util.NormalizeIMaker<Selection>(temp[i]);\r
1052 \r
1053                         StartIndex = sel.start;\r
1054 \r
1055                         this.Document.Replace(sel.start, sel.length, value);\r
1056 \r
1057                         newInsertPoint.Add(Selection.Create(sel.start + (value.Length - sel.length) * i, 0));\r
1058                     }\r
1059                 }\r
1060 \r
1061                 this.Document.FireUpdateEvent = true;\r
1062 \r
1063                 this.Document.UndoManager.EndUndoGroup();\r
1064             }\r
1065             this.JumpCaret(StartIndex);\r
1066             if (updateInsertPoint && newInsertPoint.Count > 0)\r
1067                 this.View.InsertPoint = newInsertPoint;\r
1068         }\r
1069 \r
1070         private string GetTextFromLineSelectArea(SelectCollection Selections)\r
1071         {\r
1072             Selection sel = Util.NormalizeIMaker<Selection>(Selections.First());\r
1073 \r
1074             string str = this.Document.ToString(sel.start, sel.length);\r
1075 \r
1076             return str;\r
1077         }\r
1078 \r
1079         string GetTextFromRectangleSelectArea(SelectCollection Selections)\r
1080         {\r
1081             StringBuilder temp = new StringBuilder();\r
1082             if (Selections.First().start < Selections.Last().start)\r
1083             {\r
1084                 for (int i = 0; i < this.View.Selections.Count; i++)\r
1085                 {\r
1086                     Selection sel = Util.NormalizeIMaker<Selection>(Selections[i]);\r
1087 \r
1088                     string str = this.Document.ToString(sel.start, sel.length);\r
1089                     if (str.IndexOf(Environment.NewLine) == -1)\r
1090                         temp.AppendLine(str);\r
1091                     else\r
1092                         temp.Append(str);\r
1093                 }\r
1094             }\r
1095             else\r
1096             {\r
1097                 for (int i = this.View.Selections.Count - 1; i >= 0; i--)\r
1098                 {\r
1099                     Selection sel = Util.NormalizeIMaker<Selection>(Selections[i]);\r
1100 \r
1101                     string str = this.Document.ToString(sel.start, sel.length).Replace(Document.NewLine.ToString(), Environment.NewLine);\r
1102                     if (str.IndexOf(Environment.NewLine) == -1)\r
1103                         temp.AppendLine(str);\r
1104                     else\r
1105                         temp.Append(str);\r
1106                 }\r
1107             }\r
1108             return temp.ToString();\r
1109         }\r
1110 \r
1111         void View_LineBreakChanged(object sender, EventArgs e)\r
1112         {\r
1113             this.DeSelectAll();\r
1114             this.AdjustCaret();\r
1115         }\r
1116 \r
1117         void View_PageBoundChanged(object sender, EventArgs e)\r
1118         {\r
1119             if (this.View.LineBreak == LineBreakMethod.PageBound && this.View.PageBound.Width - this.View.LineBreakingMarginWidth > 0)\r
1120                 this.View.PerfomLayouts();\r
1121             this.AdjustCaret();\r
1122         }\r
1123 \r
1124         void render_ChangedRenderResource(object sender, ChangedRenderRsourceEventArgs e)\r
1125         {\r
1126             if (e.type == ResourceType.Font)\r
1127             {\r
1128                 if (this.View.LineBreak != LineBreakMethod.None)\r
1129                     this.View.PerfomLayouts();\r
1130                 this.AdjustCaret();\r
1131             }\r
1132         }\r
1133 \r
1134         void render_ChangedRightToLeft(object sender, EventArgs e)\r
1135         {\r
1136             this.AdjustCaret();\r
1137         }\r
1138 \r
1139         void Document_Update(object sender, DocumentUpdateEventArgs e)\r
1140         {\r
1141             switch (e.type)\r
1142             {\r
1143                 case UpdateType.Replace:\r
1144                     this.JumpCaret(e.startIndex + e.insertLength,true);\r
1145                     break;\r
1146                 case UpdateType.Clear:\r
1147                     this.View.TryScroll(0, 0);\r
1148                     break;\r
1149             }\r
1150         }\r
1151 \r
1152         void Document_Progress(object sender, ProgressEventArgs e)\r
1153         {\r
1154             if (e.state == ProgressState.Complete)\r
1155                 this.JumpCaret(0);\r
1156         }\r
1157     }\r
1158 }\r