WPF/FooEditEngine/FooTextBox.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.Runtime.InteropServices;\r
  13 using System.Windows;\r
  14 using System.Windows.Input;\r
  15 using System.Windows.Media;\r
  16 using System.Windows.Controls;\r
  17 using System.Windows.Controls.Primitives;\r
  18 using System.Windows.Documents;\r
  19 using System.Windows.Interop;\r
  20 using System.Windows.Threading;\r
  21 using DotNetTextStore;\r
  22 using DotNetTextStore.UnmanagedAPI.TSF;\r
  23 using DotNetTextStore.UnmanagedAPI.WinDef;\r
  24 using Microsoft.Win32;\r
  25 \r
  26 namespace FooEditEngine.WPF\r
  27 {\r
  28     /// <summary>\r
  29     /// オートインデントを行うためのデリゲートを表す\r
  30     /// </summary>\r
  31     /// <param name="sender">イベント発生元のオブジェクト</param>\r
  32     /// <param name="e">イベントデーター</param>\r
  33     public delegate void AutoIndentHookerHandler(object sender,EventArgs e);\r
  34 \r
  35     /// <summary>\r
  36     /// WPFでのFooTextBoxの実装\r
  37     /// </summary>\r
  38     public sealed class FooTextBox : Control, IDisposable\r
  39     {\r
  40         const double MaxFontSize = 72.0f;\r
  41         const double MinFontSize = 1;\r
  42 \r
  43         EditView View;\r
  44         Controller _Controller;\r
  45         D2DRender Render;\r
  46         Image image;\r
  47         ScrollBar verticalScrollBar, horizontalScrollBar;\r
  48         TextStore textStore;\r
  49         DispatcherTimer timer;\r
  50         bool disposed = false;\r
  51         FooTextBoxAutomationPeer peer;\r
  52         \r
  53         static FooTextBox()\r
  54         {\r
  55             DefaultStyleKeyProperty.OverrideMetadata(typeof(FooTextBox), new FrameworkPropertyMetadata(typeof(FooTextBox)));\r
  56             KeyboardNavigation.IsTabStopProperty.OverrideMetadata(typeof(FooTextBox), new FrameworkPropertyMetadata(true));\r
  57             KeyboardNavigation.TabNavigationProperty.OverrideMetadata(typeof(FooTextBox), new FrameworkPropertyMetadata(KeyboardNavigationMode.None));\r
  58         }\r
  59 \r
  60         /// <summary>\r
  61         /// コンストラクター\r
  62         /// </summary>\r
  63         public FooTextBox()\r
  64         {\r
  65             this.image = new Image();\r
  66             this.image.Stretch = Stretch.Fill;\r
  67             this.image.HorizontalAlignment = HorizontalAlignment.Left;\r
  68             this.image.VerticalAlignment = VerticalAlignment.Top;\r
  69 \r
  70             this.textStore = new TextStore();\r
  71             this.textStore.IsLoading += textStore_IsLoading;\r
  72             this.textStore.IsReadOnly += textStore_IsReadOnly;\r
  73             this.textStore.GetStringLength += () => this.Document.Length;\r
  74             this.textStore.GetString += _textStore_GetString;\r
  75             this.textStore.GetSelectionIndex += _textStore_GetSelectionIndex;\r
  76             this.textStore.SetSelectionIndex += _textStore_SetSelectionIndex;\r
  77             this.textStore.InsertAtSelection += _textStore_InsertAtSelection;\r
  78             this.textStore.GetHWnd += _textStore_GetHWnd;\r
  79             this.textStore.GetScreenExtent += _textStore_GetScreenExtent;\r
  80             this.textStore.GetStringExtent += _textStore_GetStringExtent;\r
  81             this.textStore.CompositionStarted += textStore_CompositionStarted;\r
  82             this.textStore.CompositionUpdated += textStore_CompositionUpdated;\r
  83             this.textStore.CompositionEnded += textStore_CompositionEnded;\r
  84 \r
  85             this.Document = new Document();\r
  86             this.Document.Progress += Document_Progress;\r
  87 \r
  88             this.Render = new D2DRender(this, 200, 200,this.image);\r
  89             this.Render.ShowFullSpace = this.ShowFullSpace;\r
  90             this.Render.ShowHalfSpace = this.ShowHalfSpace;\r
  91             this.Render.ShowTab = this.ShowTab;\r
  92 \r
  93             this.View = new EditView(this.Document, this.Render,new Margin(5,5,5,5));\r
  94             this.View.SrcChanged += View_SrcChanged;\r
  95             this.View.InsertMode = this.InsertMode;\r
  96             this.View.DrawLineNumber = this.DrawLineNumber;\r
  97             this.View.HideCaret = !this.DrawCaret;\r
  98             this.View.HideLineMarker = !this.DrawCaretLine;\r
  99             this.View.HideRuler = !this.DrawRuler;\r
 100             this.View.UrlMark = this.MarkURL;\r
 101             this.View.TabStops = this.TabChars;\r
 102 \r
 103             this._Controller = new Controller(this.Document, this.View);\r
 104             this._Controller.CaretMoved += new EventHandler(Controller_CaretMoved);\r
 105 \r
 106             //Viewを作成した後に追加しないと例外が発生する\r
 107             this.Document.Update += new DocumentUpdateEventHandler(Document_Update);\r
 108 \r
 109             this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Copy, CopyCommand, CanExecute));\r
 110             this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Cut, CutCommand, CanExecute));\r
 111             this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Paste, PasteCommand, CanExecute));\r
 112             this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Delete, DeleteCommand, CanExecute));\r
 113             this.CommandBindings.Add(new CommandBinding(ApplicationCommands.SelectAll, SelectAllCommand, CanExecute));\r
 114             this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Undo, UndoCommand, CanExecute));\r
 115             this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Redo, RedoCommand, CanExecute));\r
 116             this.CommandBindings.Add(new CommandBinding(EditingCommands.ToggleInsert, ToggleInsertCommand, CanExecute));\r
 117             this.CommandBindings.Add(new CommandBinding(FooTextBoxCommands.ToggleRectSelectMode, ToggleRectSelectCommand, CanExecute));\r
 118             this.CommandBindings.Add(new CommandBinding(FooTextBoxCommands.ToggleFlowDirection, ToggleFlowDirectionCommand, CanExecute));\r
 119             this.CommandBindings.Add(new CommandBinding(FooTextBoxCommands.ToggleCodePoint, ToggleCodePointCommand, CanExecute));\r
 120 \r
 121             this.InputBindings.Add(new InputBinding(ApplicationCommands.Copy, new KeyGesture(Key.C, ModifierKeys.Control)));\r
 122             this.InputBindings.Add(new InputBinding(ApplicationCommands.Cut, new KeyGesture(Key.X, ModifierKeys.Control)));\r
 123             this.InputBindings.Add(new InputBinding(ApplicationCommands.Paste, new KeyGesture(Key.V, ModifierKeys.Control)));\r
 124             this.InputBindings.Add(new InputBinding(ApplicationCommands.Delete, new KeyGesture(Key.Delete, ModifierKeys.None)));\r
 125             this.InputBindings.Add(new InputBinding(ApplicationCommands.SelectAll, new KeyGesture(Key.A, ModifierKeys.Control)));\r
 126             this.InputBindings.Add(new InputBinding(ApplicationCommands.Undo, new KeyGesture(Key.Z, ModifierKeys.Control)));\r
 127             this.InputBindings.Add(new InputBinding(ApplicationCommands.Redo, new KeyGesture(Key.Y, ModifierKeys.Control)));\r
 128             this.InputBindings.Add(new InputBinding(EditingCommands.ToggleInsert, new KeyGesture(Key.Insert, ModifierKeys.None)));\r
 129             this.InputBindings.Add(new InputBinding(FooTextBoxCommands.ToggleCodePoint, new KeyGesture(Key.X, ModifierKeys.Alt)));\r
 130 \r
 131             this.timer = new DispatcherTimer();\r
 132             this.timer.Interval = new TimeSpan(0, 0, 0, 0, 100);\r
 133             this.timer.Tick += new EventHandler(timer_Tick);\r
 134 \r
 135             this.Loaded += new RoutedEventHandler(FooTextBox_Loaded);\r
 136 \r
 137             this.AutoIndentHooker = (s,e)=>{};\r
 138 \r
 139             SystemEvents.UserPreferenceChanged += new UserPreferenceChangedEventHandler(SystemEvents_UserPreferenceChanged);\r
 140 \r
 141             this.SystemEvents_UserPreferenceChanged(null, new UserPreferenceChangedEventArgs(UserPreferenceCategory.Keyboard));\r
 142         }\r
 143 \r
 144         /// <summary>\r
 145         /// ファイナライザー\r
 146         /// </summary>\r
 147         ~FooTextBox()\r
 148         {\r
 149             //Dispose(false)を呼び出すと落ちる\r
 150             this.Dispose(false);\r
 151         }\r
 152 \r
 153         /// <summary>\r
 154         /// オートインデントを行うためのイベント\r
 155         /// </summary>\r
 156         public AutoIndentHookerHandler AutoIndentHooker;\r
 157 \r
 158         /// <summary>\r
 159         /// テンプレートを適用します\r
 160         /// </summary>\r
 161         public override void OnApplyTemplate()\r
 162         {\r
 163             base.OnApplyTemplate();\r
 164 \r
 165             Grid grid = this.GetTemplateChild("PART_Grid") as Grid;\r
 166             if (grid != null)\r
 167             {\r
 168                 Grid.SetRow(this.image, 0);\r
 169                 Grid.SetColumn(this.image, 0);\r
 170                 grid.Children.Add(this.image);\r
 171             }\r
 172 \r
 173             this.horizontalScrollBar = this.GetTemplateChild("PART_HorizontalScrollBar") as ScrollBar;\r
 174             if (this.horizontalScrollBar != null)\r
 175             {\r
 176                 this.horizontalScrollBar.SmallChange = 10;\r
 177                 this.horizontalScrollBar.LargeChange = 100;\r
 178                 this.horizontalScrollBar.Maximum = this.horizontalScrollBar.LargeChange + 1;\r
 179                 this.horizontalScrollBar.Scroll += new ScrollEventHandler(horizontalScrollBar_Scroll);\r
 180             }\r
 181             this.verticalScrollBar = this.GetTemplateChild("PART_VerticalScrollBar") as ScrollBar;\r
 182             if (this.verticalScrollBar != null)\r
 183             {\r
 184                 this.verticalScrollBar.SmallChange = 1;\r
 185                 this.verticalScrollBar.LargeChange = 10;\r
 186                 this.verticalScrollBar.Maximum = this.View.LayoutLines.Count;\r
 187                 this.verticalScrollBar.Scroll += new ScrollEventHandler(verticalScrollBar_Scroll);\r
 188             }\r
 189         }\r
 190 \r
 191         /// <summary>\r
 192         /// ドキュメントを選択する\r
 193         /// </summary>\r
 194         /// <param name="start">開始インデックス</param>\r
 195         /// <param name="length">長さ</param>\r
 196         public void Select(int start, int length)\r
 197         {\r
 198             if (this.Document.State == AsyncState.Loading)\r
 199                 throw new InvalidOperationException();\r
 200             this._Controller.Select(start, length);\r
 201             this.textStore.NotifySelectionChanged();\r
 202         }\r
 203 \r
 204         /// <summary>\r
 205         /// キャレットを指定した行に移動させます\r
 206         /// </summary>\r
 207         /// <param name="index">インデックス</param>\r
 208         /// <remarks>このメソッドを呼び出すと選択状態は解除されます</remarks>\r
 209         public void JumpCaret(int index)\r
 210         {\r
 211             if (this.Document.State == AsyncState.Loading)\r
 212                 throw new InvalidOperationException();\r
 213             this._Controller.JumpCaret(index);\r
 214         }\r
 215         /// <summary>\r
 216         /// キャレットを指定した行と桁に移動させます\r
 217         /// </summary>\r
 218         /// <param name="row">行番号</param>\r
 219         /// <param name="col">桁</param>\r
 220         /// <remarks>このメソッドを呼び出すと選択状態は解除されます</remarks>\r
 221         public void JumpCaret(int row, int col)\r
 222         {\r
 223             if (this.Document.State == AsyncState.Loading)\r
 224                 throw new InvalidOperationException();\r
 225             this._Controller.JumpCaret(row, col);\r
 226         }\r
 227 \r
 228         /// <summary>\r
 229         /// 選択中のテキストをクリップボードにコピーします\r
 230         /// </summary>\r
 231         public void Copy()\r
 232         {\r
 233             if (this.Document.State == AsyncState.Loading)\r
 234                 throw new InvalidOperationException();\r
 235             string text = this._Controller.SelectedText;\r
 236             if (text != null && text != string.Empty)\r
 237                 Clipboard.SetText(text);\r
 238         }\r
 239 \r
 240         /// <summary>\r
 241         /// 選択中のテキストをクリップボードに切り取ります\r
 242         /// </summary>\r
 243         public void Cut()\r
 244         {\r
 245             if (this.Document.State == AsyncState.Loading)\r
 246                 throw new InvalidOperationException();\r
 247             string text = this._Controller.SelectedText;\r
 248             if (text != null && text != string.Empty)\r
 249             {\r
 250                 Clipboard.SetText(text);\r
 251                 this._Controller.SelectedText = "";\r
 252             }\r
 253         }\r
 254 \r
 255         /// <summary>\r
 256         /// 選択中のテキストを貼り付けます\r
 257         /// </summary>\r
 258         public void Paste()\r
 259         {\r
 260             if (this.Document.State == AsyncState.Loading)\r
 261                 throw new InvalidOperationException();\r
 262             if (Clipboard.ContainsText() == false)\r
 263                 return;\r
 264             string text = Clipboard.GetText();\r
 265             this._Controller.SelectedText = text;\r
 266         }\r
 267 \r
 268         /// <summary>\r
 269         /// 選択を解除する\r
 270         /// </summary>\r
 271         public void DeSelectAll()\r
 272         {\r
 273             if (this.Document.State == AsyncState.Loading)\r
 274                 throw new InvalidOperationException();\r
 275             this._Controller.DeSelectAll();\r
 276             this.textStore.NotifySelectionChanged();\r
 277         }\r
 278 \r
 279         /// <summary>\r
 280         /// 対応する座標を返します\r
 281         /// </summary>\r
 282         /// <param name="tp">テキストポイント</param>\r
 283         /// <returns>座標</returns>\r
 284         /// <remarks>テキストポイントがクライアント領域の原点より外にある場合、返される値は原点に丸められます</remarks>\r
 285         public System.Windows.Point GetPostionFromTextPoint(TextPoint tp)\r
 286         {\r
 287             if (this.Document.State == AsyncState.Loading)\r
 288                 throw new InvalidOperationException();\r
 289             if (this.Document.FireUpdateEvent == false)\r
 290                 throw new InvalidOperationException("");\r
 291             return this.View.GetPostionFromTextPoint(tp);\r
 292         }\r
 293 \r
 294         /// <summary>\r
 295         /// 対応するテキストポイントを返します\r
 296         /// </summary>\r
 297         /// <param name="p">クライアント領域の原点を左上とする座標</param>\r
 298         /// <returns>テキストポイント</returns>\r
 299         public TextPoint GetTextPointFromPostion(System.Windows.Point p)\r
 300         {\r
 301             if (this.Document.State == AsyncState.Loading)\r
 302                 throw new InvalidOperationException();\r
 303             if (this.Document.FireUpdateEvent == false)\r
 304                 throw new InvalidOperationException("");\r
 305             return this.View.GetTextPointFromPostion(p);\r
 306         }\r
 307 \r
 308         /// <summary>\r
 309         /// 行の高さを取得します\r
 310         /// </summary>\r
 311         /// <param name="row">レイアウト行</param>\r
 312         /// <returns>行の高さ</returns>\r
 313         public double GetLineHeight(int row)\r
 314         {\r
 315             if (this.Document.State == AsyncState.Loading)\r
 316                 throw new InvalidOperationException();\r
 317             if (this.Document.FireUpdateEvent == false)\r
 318                 throw new InvalidOperationException("");\r
 319             return this.View.LayoutLines.GetData(row).Layout.Height;;\r
 320         }\r
 321 \r
 322         /// <summary>\r
 323         /// インデックスに対応する座標を得ます\r
 324         /// </summary>\r
 325         /// <param name="index">インデックス</param>\r
 326         /// <returns>座標を返す</returns>\r
 327         public System.Windows.Point GetPostionFromIndex(int index)\r
 328         {\r
 329             if (this.Document.State == AsyncState.Loading)\r
 330                 throw new InvalidOperationException();\r
 331             if (this.Document.FireUpdateEvent == false)\r
 332                 throw new InvalidOperationException("");\r
 333             TextPoint tp = this.View.GetLayoutLineFromIndex(index);\r
 334             return this.View.GetPostionFromTextPoint(tp);\r
 335         }\r
 336 \r
 337         /// <summary>\r
 338         /// 座標からインデックスに変換します\r
 339         /// </summary>\r
 340         /// <param name="p">座標</param>\r
 341         /// <returns>インデックスを返す</returns>\r
 342         public int GetIndexFromPostion(System.Windows.Point p)\r
 343         {\r
 344             if (this.Document.State == AsyncState.Loading)\r
 345                 throw new InvalidOperationException();\r
 346             if (this.Document.FireUpdateEvent == false)\r
 347                 throw new InvalidOperationException("");\r
 348             TextPoint tp = this.View.GetTextPointFromPostion(p);\r
 349             return this.View.GetIndexFromLayoutLine(tp);\r
 350         }\r
 351 \r
 352         /// <summary>\r
 353         /// 再描写する\r
 354         /// </summary>\r
 355         public void Refresh()\r
 356         {\r
 357             this.Refresh(this.View.PageBound);\r
 358         }\r
 359 \r
 360         /// <summary>\r
 361         /// レイアウト行をすべて破棄し、再度レイアウトを行う\r
 362         /// </summary>\r
 363         public void PerfomLayouts()\r
 364         {\r
 365             this.View.PerfomLayouts();\r
 366         }\r
 367 \r
 368         /// <summary>\r
 369         /// アンマネージドリソースを開放する\r
 370         /// </summary>\r
 371         public void Dispose()\r
 372         {\r
 373             this.disposed = true;\r
 374             if (this.disposed)\r
 375                 return;\r
 376             this.Dispose(true);\r
 377             GC.SuppressFinalize(this);\r
 378         }\r
 379 \r
 380         /// <summary>\r
 381         /// リソースを開放する\r
 382         /// </summary>\r
 383         /// <param name="disposing">真ならマネージドリソースも開放し、そうでないならアンマネージドリソースのみを開放する</param>\r
 384         void Dispose(bool disposing)\r
 385         {\r
 386             if (disposing)\r
 387             {\r
 388                 this.textStore.Dispose();\r
 389                 this.timer.Stop();\r
 390                 this.View.Dispose();\r
 391                 this.Render.Dispose();\r
 392             }\r
 393             SystemEvents.UserPreferenceChanged -= new UserPreferenceChangedEventHandler(SystemEvents_UserPreferenceChanged);\r
 394         }\r
 395         \r
 396         void Refresh(Rectangle updateRect)\r
 397         {\r
 398             if (this.disposed)\r
 399                 return;\r
 400 \r
 401             this.timer.Stop();\r
 402 \r
 403             this.Render.BegineDraw();\r
 404             if (this.Document.State != AsyncState.Loading)\r
 405                 this.View.Draw(updateRect);\r
 406             else\r
 407                 this.Render.FillBackground(updateRect);\r
 408             this.Render.EndDraw();\r
 409 \r
 410             this.timer.Start();\r
 411         }\r
 412 \r
 413         #region Commands\r
 414         void CanExecute(object sender, CanExecuteRoutedEventArgs e)\r
 415         {\r
 416             e.CanExecute = this.Document.State != FooEditEngine.AsyncState.Loading;\r
 417         }\r
 418 \r
 419         void ToggleCodePointCommand(object sender, RoutedEventArgs e)\r
 420         {\r
 421             if (!this._Controller.ConvertToChar())\r
 422                 this._Controller.ConvertToCodePoint();\r
 423             this.Refresh();\r
 424         }\r
 425 \r
 426         void CopyCommand(object sender, RoutedEventArgs e)\r
 427         {\r
 428             this.Copy();\r
 429         }\r
 430 \r
 431         void CutCommand(object sender, RoutedEventArgs e)\r
 432         {\r
 433             this.Cut();\r
 434             this.Refresh();\r
 435         }\r
 436 \r
 437         void PasteCommand(object sender, RoutedEventArgs e)\r
 438         {\r
 439             this.Paste();\r
 440             this.Refresh();\r
 441         }\r
 442 \r
 443         void DeleteCommand(object sender, RoutedEventArgs e)\r
 444         {\r
 445             int oldLength = this.Document.Length;\r
 446             this._Controller.DoDeleteAction();\r
 447             this.Refresh();\r
 448         }\r
 449 \r
 450         void SelectAllCommand(object sender, RoutedEventArgs e)\r
 451         {\r
 452             this.Select(0, this.Document.Length);\r
 453             this.Refresh();\r
 454         }\r
 455 \r
 456         void UndoCommand(object sender, RoutedEventArgs e)\r
 457         {\r
 458             int oldLength = this.Document.Length;\r
 459             this.Document.UndoManager.undo();\r
 460             this.Refresh();\r
 461         }\r
 462 \r
 463         void RedoCommand(object sender, RoutedEventArgs e)\r
 464         {\r
 465             int oldLength = this.Document.Length;\r
 466             this.Document.UndoManager.redo();\r
 467             this.Refresh();\r
 468         }\r
 469 \r
 470         void ToggleInsertCommand(object sender, RoutedEventArgs e)\r
 471         {\r
 472             if (this.InsertMode)\r
 473                 this.InsertMode = false;\r
 474             else\r
 475                 this.InsertMode = true;\r
 476             this.Refresh();\r
 477         }\r
 478 \r
 479         void ToggleRectSelectCommand(object sender, RoutedEventArgs e)\r
 480         {\r
 481             if (this.RectSelectMode)\r
 482                 this.RectSelectMode = false;\r
 483             else\r
 484                 this.RectSelectMode = true;\r
 485             this.Refresh();\r
 486         }\r
 487         void ToggleFlowDirectionCommand(object sender, RoutedEventArgs e)\r
 488         {\r
 489             if (this.FlowDirection == System.Windows.FlowDirection.LeftToRight)\r
 490                 this.FlowDirection = System.Windows.FlowDirection.RightToLeft;\r
 491             else\r
 492                 this.FlowDirection = System.Windows.FlowDirection.LeftToRight;\r
 493             this.Refresh();\r
 494         }\r
 495         #endregion\r
 496         #region TSF\r
 497         internal TextStore TextStore\r
 498         {\r
 499             get { return this.textStore; }\r
 500         }\r
 501 \r
 502         bool textStore_IsReadOnly()\r
 503         {\r
 504             return false;\r
 505         }\r
 506 \r
 507         bool textStore_IsLoading()\r
 508         {\r
 509             return this.Document.State == AsyncState.Loading;\r
 510         }\r
 511 \r
 512         void textStore_CompositionEnded()\r
 513         {\r
 514             TextStoreHelper.EndCompostion(this.Document);\r
 515             this.Refresh();\r
 516         }\r
 517 \r
 518         void textStore_CompositionUpdated(int start, int end)\r
 519         {\r
 520             if (TextStoreHelper.ScrollToCompstionUpdated(this.textStore, this.View, start, end))\r
 521                 this.Refresh();\r
 522         }\r
 523         bool textStore_CompositionStarted()\r
 524         {\r
 525             bool result = TextStoreHelper.StartCompstion(this.Document);\r
 526             if (!result)\r
 527                 System.Media.SystemSounds.Beep.Play();\r
 528             return result;\r
 529         }\r
 530 \r
 531         string _textStore_GetString(int start, int length)\r
 532         {\r
 533             return this.Document.ToString(start, length);\r
 534         }\r
 535 \r
 536         IntPtr _textStore_GetHWnd()\r
 537         {\r
 538             var hwndSource = HwndSource.FromVisual(this) as HwndSource;\r
 539             if (hwndSource != null)\r
 540                 return hwndSource.Handle;\r
 541             else\r
 542                 return IntPtr.Zero;\r
 543         }\r
 544 \r
 545         void _textStore_GetStringExtent(\r
 546             int i_startIndex,\r
 547             int i_endIndex,\r
 548             out POINT o_topLeft,\r
 549             out POINT o_bottomRight\r
 550         )\r
 551         {\r
 552             Point startPos, endPos;\r
 553             TextStoreHelper.GetStringExtent(this.Document, this.View, i_startIndex, i_endIndex, out startPos, out endPos);\r
 554 \r
 555             startPos = PointToScreen(this.TranslatePoint(startPos, this));\r
 556             endPos = PointToScreen(this.TranslatePoint(endPos, this));\r
 557             \r
 558             o_topLeft = new POINT((int)startPos.X, (int)startPos.Y);\r
 559             o_bottomRight = new POINT((int)endPos.X, (int)endPos.Y);\r
 560         }\r
 561 \r
 562         void _textStore_GetScreenExtent(out POINT o_topLeft, out POINT o_bottomRight)\r
 563         {\r
 564             var pointTopLeft = new Point(0, 0);\r
 565             var pointBottomRight = new Point(this.RenderSize.Width, this.RenderSize.Height);\r
 566 \r
 567             pointTopLeft = PointToScreen(pointTopLeft);\r
 568             pointBottomRight = PointToScreen(pointBottomRight);\r
 569 \r
 570             o_topLeft = new POINT((int)pointTopLeft.X, (int)pointTopLeft.Y);\r
 571             o_bottomRight = new POINT((int)pointBottomRight.X, (int)pointBottomRight.Y);\r
 572         }\r
 573 \r
 574         void _textStore_GetSelectionIndex(out int o_startIndex, out int o_endIndex)\r
 575         {\r
 576             TextStoreHelper.GetSelection(this._Controller, this.View.Selections, out o_startIndex, out o_endIndex);\r
 577         }\r
 578 \r
 579         void _textStore_SetSelectionIndex(int i_startIndex, int i_endIndex)\r
 580         {\r
 581             if (this.Document.State == AsyncState.Loading)\r
 582                 return;\r
 583             TextStoreHelper.SetSelectionIndex(this._Controller, this.View, i_startIndex, i_endIndex);\r
 584             this.Refresh();\r
 585         }\r
 586 \r
 587         void _textStore_InsertAtSelection(string i_value)\r
 588         {\r
 589             TextStoreHelper.InsertTextAtSelection(this._Controller, i_value);\r
 590             this.Refresh();\r
 591         }\r
 592 \r
 593         /// <summary>\r
 594         /// キーボードフォーカスが取得されたときに呼ばれます\r
 595         /// </summary>\r
 596         /// <param name="e">イベントデーター</param>\r
 597         protected override void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e)\r
 598         {\r
 599             base.OnGotKeyboardFocus(e);\r
 600             this.textStore.SetFocus();\r
 601             this.DrawCaret = true;\r
 602             this.Refresh();\r
 603         }\r
 604 \r
 605         /// <summary>\r
 606         /// キーボードフォーカスが失われたときに呼ばれます\r
 607         /// </summary>\r
 608         /// <param name="e">イベントデーター</param>\r
 609         protected override void OnLostKeyboardFocus(KeyboardFocusChangedEventArgs e)\r
 610         {\r
 611             base.OnLostKeyboardFocus(e);\r
 612             this.DrawCaret = false;\r
 613             this.Refresh();\r
 614         }\r
 615         #endregion\r
 616         #region Event\r
 617         /// <inheritdoc/>\r
 618         protected override System.Windows.Automation.Peers.AutomationPeer OnCreateAutomationPeer()\r
 619         {\r
 620             this.peer = new FooTextBoxAutomationPeer(this);\r
 621             return this.peer;\r
 622         }\r
 623 \r
 624 \r
 625         /// <inheritdoc/>\r
 626         protected override void OnTextInput(TextCompositionEventArgs e)\r
 627         {\r
 628             if (this.Document.State == AsyncState.Loading)\r
 629                 return;\r
 630             if (e.Text == "\r")\r
 631             {\r
 632                 this._Controller.DoEnterAction();\r
 633                 this.AutoIndentHooker(this, null);\r
 634             }\r
 635             else if (e.Text == "\b")\r
 636             {\r
 637                 this._Controller.DoBackSpaceAction();\r
 638             }\r
 639             else\r
 640             {\r
 641                 this._Controller.DoInputString(e.Text);\r
 642             }\r
 643             this.Refresh();\r
 644             base.OnTextInput(e);\r
 645             e.Handled = true;\r
 646         }\r
 647 \r
 648         /// <inheritdoc/>\r
 649         protected override void OnKeyDown(KeyEventArgs e)\r
 650         {\r
 651             if (this.Document.State == AsyncState.Loading)\r
 652                 return;\r
 653             if (this.textStore.IsLocked())\r
 654                 return;\r
 655 \r
 656             ModifierKeys modiferKeys = e.KeyboardDevice.Modifiers;\r
 657             bool movedCaret = false;\r
 658             switch (e.Key)\r
 659             {\r
 660                 case Key.Up:\r
 661                     if (!this._Controller.IsCanMoveCaret(-1,MoveFlow.Vertical))\r
 662                         System.Media.SystemSounds.Beep.Play();\r
 663                     else\r
 664                         this._Controller.MoveCaretVertical(-1, this.IsPressedModifierKey(modiferKeys, ModifierKeys.Shift));\r
 665                     this.Refresh();\r
 666                     e.Handled = true;\r
 667                     movedCaret = true;\r
 668                     break;\r
 669                 case Key.Down:\r
 670                     if (!this._Controller.IsCanMoveCaret(+1, MoveFlow.Vertical))\r
 671                         System.Media.SystemSounds.Beep.Play();\r
 672                     else\r
 673                         this._Controller.MoveCaretVertical(+1, this.IsPressedModifierKey(modiferKeys, ModifierKeys.Shift));\r
 674                     this.Refresh();\r
 675                     e.Handled = true;\r
 676                     movedCaret = true;\r
 677                     break;\r
 678                 case Key.Left:\r
 679                     if (!this._Controller.IsCanMoveCaret(-1, MoveFlow.Horizontical))\r
 680                         System.Media.SystemSounds.Beep.Play();\r
 681                     else\r
 682                         this._Controller.MoveCaretHorizontical(-1, this.IsPressedModifierKey(modiferKeys, ModifierKeys.Shift), this.IsPressedModifierKey(modiferKeys, ModifierKeys.Control));\r
 683                     this.Refresh();\r
 684                     e.Handled = true;\r
 685                     movedCaret = true;\r
 686                     break;\r
 687                 case Key.Right:\r
 688                     if (!this._Controller.IsCanMoveCaret(1, MoveFlow.Horizontical))\r
 689                         System.Media.SystemSounds.Beep.Play();\r
 690                     else\r
 691                         this._Controller.MoveCaretHorizontical(1, this.IsPressedModifierKey(modiferKeys, ModifierKeys.Shift), this.IsPressedModifierKey(modiferKeys, ModifierKeys.Control));\r
 692                     this.Refresh();\r
 693                     e.Handled = true;\r
 694                     movedCaret = true;\r
 695                     break;\r
 696                 case Key.PageUp:\r
 697                     this._Controller.Scroll(ScrollDirection.Up,this.View.LineCountOnScreen, this.IsPressedModifierKey(modiferKeys, ModifierKeys.Shift),true);\r
 698                     this.Refresh();\r
 699                     movedCaret = true;\r
 700                     break;\r
 701                 case Key.PageDown:\r
 702                     this._Controller.Scroll(ScrollDirection.Down,this.View.LineCountOnScreen, this.IsPressedModifierKey(modiferKeys, ModifierKeys.Shift),true);\r
 703                     this.Refresh();\r
 704                     movedCaret = true;\r
 705                     break;\r
 706                 case Key.Home:\r
 707                     if (this.IsPressedModifierKey(modiferKeys, ModifierKeys.Control))\r
 708                         this._Controller.JumpToHead(this.IsPressedModifierKey(modiferKeys, ModifierKeys.Shift));\r
 709                     else\r
 710                         this._Controller.JumpCaret(this.View.CaretPostion.row, 0);\r
 711                     this.Refresh();\r
 712                     movedCaret = true;\r
 713                     break;\r
 714                 case Key.End:\r
 715                     if (this.IsPressedModifierKey(modiferKeys, ModifierKeys.Control))\r
 716                         this._Controller.JumpToEnd(this.IsPressedModifierKey(modiferKeys, ModifierKeys.Shift));\r
 717                     else\r
 718                         this._Controller.JumpCaret(this.View.CaretPostion.row, this.View.LayoutLines[this.View.CaretPostion.row].Length - 1);\r
 719                     this.Refresh();\r
 720                     movedCaret = true;\r
 721                     break;\r
 722                 case Key.Tab:\r
 723                     int oldLength = this.Document.Length;\r
 724                     if (this.SelectionLength == 0)\r
 725                         this._Controller.DoInputChar('\t');\r
 726                     else if(this.IsPressedModifierKey(modiferKeys,ModifierKeys.Shift))\r
 727                         this._Controller.DownIndent();\r
 728                     else\r
 729                         this._Controller.UpIndent();\r
 730                     this.Refresh();\r
 731                     e.Handled = true;\r
 732                     break;\r
 733             }\r
 734             if (movedCaret && this.peer != null)\r
 735                 this.peer.OnNotifyCaretChanged();\r
 736             base.OnKeyDown(e);\r
 737         }\r
 738 \r
 739         bool IsPressedModifierKey(ModifierKeys keys, ModifierKeys pressed)\r
 740         {\r
 741             if (keys == pressed)\r
 742                 return true;\r
 743             if ((keys & pressed) == pressed)\r
 744                 return true;\r
 745             return false;\r
 746         }\r
 747 \r
 748         /// <summary>\r
 749         /// ダブルクリックされたときに呼ばれます\r
 750         /// </summary>\r
 751         /// <param name="e">イベントパラメーター</param>\r
 752         /// <remarks>\r
 753         /// イベントパラメーターはFooMouseEventArgsにキャスト可能です。\r
 754         /// e.Handledを真にした場合、単語単位の選択が行われなくなります\r
 755         /// </remarks>\r
 756         protected override void OnMouseDoubleClick(MouseButtonEventArgs e)\r
 757         {\r
 758             if (this.Document.State == AsyncState.Loading)\r
 759                 return;\r
 760             System.Windows.Point p = e.GetPosition(this);\r
 761             TextPoint tp = this.View.GetTextPointFromPostion(p);\r
 762             if (tp == TextPoint.Null)\r
 763                 return;\r
 764             int index = this.View.LayoutLines.GetIndexFromTextPoint(tp);\r
 765 \r
 766             FooMouseButtonEventArgs newEventArgs = new FooMouseButtonEventArgs(e.MouseDevice,\r
 767                 e.Timestamp,\r
 768                 e.ChangedButton,\r
 769                 e.StylusDevice,\r
 770                 index);\r
 771             newEventArgs.RoutedEvent = e.RoutedEvent;\r
 772             base.OnMouseDoubleClick(newEventArgs);\r
 773 \r
 774             if (newEventArgs.Handled)\r
 775                 return;\r
 776 \r
 777             if (e.LeftButton == MouseButtonState.Pressed)\r
 778             {\r
 779 \r
 780                 this._Controller.SelectWord(index);\r
 781                 this.textStore.NotifySelectionChanged();\r
 782                 if(this.peer != null)\r
 783                     this.peer.OnNotifyCaretChanged();\r
 784                 this.Refresh();\r
 785             }\r
 786         }\r
 787 \r
 788         /// <summary>\r
 789         /// マウスボタンが押されたときに呼ばれます\r
 790         /// </summary>\r
 791         /// <param name="e">イベントパラメーター</param>\r
 792         /// <remarks>\r
 793         /// イベントパラメーターはFooMouseEventArgsにキャスト可能です。\r
 794         /// e.Handledを真にした場合、キャレットの移動処理が行われなくなります\r
 795         /// </remarks>\r
 796         protected override void OnMouseDown(MouseButtonEventArgs e)\r
 797         {\r
 798             if (this.Document.State == AsyncState.Loading)\r
 799                 return;\r
 800             \r
 801             System.Windows.Point p = e.GetPosition(this);\r
 802             TextPoint tp = this.View.GetTextPointFromPostion(p);\r
 803             if (tp == TextPoint.Null)\r
 804                 return;\r
 805             int index = this.View.LayoutLines.GetIndexFromTextPoint(tp);\r
 806 \r
 807             FooMouseButtonEventArgs newEventArgs = new FooMouseButtonEventArgs(e.MouseDevice,\r
 808                 e.Timestamp,\r
 809                 e.ChangedButton,\r
 810                 e.StylusDevice,\r
 811                 index);\r
 812             newEventArgs.RoutedEvent = e.RoutedEvent;\r
 813             base.OnMouseDown(newEventArgs);\r
 814 \r
 815             if (newEventArgs.Handled)\r
 816                 return;\r
 817 \r
 818             if (e.LeftButton == MouseButtonState.Pressed)\r
 819             {\r
 820                 FoldingItem foldingData = this.View.HitFoldingData(p.X,tp.row);\r
 821                 if (foldingData != null)\r
 822                 {\r
 823                     if (foldingData.Expand)\r
 824                         this.View.LayoutLines.FoldingCollection.Collapse(foldingData);\r
 825                     else\r
 826                         this.View.LayoutLines.FoldingCollection.Expand(foldingData);\r
 827                     this._Controller.JumpCaret(foldingData.Start,false);\r
 828                 }\r
 829                 else\r
 830                 {\r
 831                     this._Controller.JumpCaret(tp.row, tp.col, false);\r
 832                 }\r
 833                 if (this.peer != null)\r
 834                     this.peer.OnNotifyCaretChanged();\r
 835                 this.Refresh();\r
 836                 this.Focus();\r
 837             }\r
 838         }\r
 839 \r
 840         /// <summary>\r
 841         /// マウスが移動したときに呼ばれます\r
 842         /// </summary>\r
 843         /// <param name="e">イベントパラメーター</param>\r
 844         /// <remarks>\r
 845         /// イベントパラメーターはFooMouseEventArgsにキャスト可能です。\r
 846         /// e.Handledを真にした場合、選択処理と状況に応じたカーソルの変化が行われなくなります\r
 847         /// </remarks>\r
 848         protected override void  OnMouseMove(MouseEventArgs e)\r
 849         {\r
 850             if (this.Document.State == AsyncState.Loading)\r
 851             {\r
 852                 this.Cursor = Cursors.Wait;\r
 853                 base.OnMouseMove(e);\r
 854                 return;\r
 855             }\r
 856             System.Windows.Point p = e.GetPosition(this);\r
 857             TextPoint tp = this.View.GetTextPointFromPostion(p);\r
 858             if (tp == TextPoint.Null)\r
 859             {\r
 860                 base.OnMouseMove(e);\r
 861                 return;\r
 862             }\r
 863             int index = this.View.GetIndexFromLayoutLine(tp);\r
 864 \r
 865             FooMouseEventArgs newEventArgs = new FooMouseEventArgs(e.MouseDevice, e.Timestamp, e.StylusDevice, index);\r
 866             newEventArgs.RoutedEvent = e.RoutedEvent;\r
 867             base.OnMouseMove(newEventArgs);\r
 868 \r
 869             if (newEventArgs.Handled)\r
 870                 return;\r
 871 \r
 872             if (this.View.HitTextArea(p.X,p.Y))\r
 873             {\r
 874                 if (this._Controller.IsMarker(tp, HilightType.Url))\r
 875                     this.Cursor = Cursors.Hand;\r
 876                 else\r
 877                     this.Cursor = Cursors.IBeam;\r
 878 \r
 879                 if (e.LeftButton == MouseButtonState.Pressed)\r
 880                 {\r
 881                     this._Controller.MoveCaretAndSelect(tp);\r
 882                     if (this.peer != null)\r
 883                         this.peer.OnNotifyCaretChanged();\r
 884                     this.Refresh();\r
 885                 }\r
 886             }\r
 887             else\r
 888             {\r
 889                 this.Cursor = Cursors.Arrow;\r
 890             }\r
 891         }\r
 892 \r
 893         /// <inheritdoc/>\r
 894         protected override void OnMouseWheel(MouseWheelEventArgs e)\r
 895         {\r
 896             if (this.Document.State == AsyncState.Loading)\r
 897                 return;\r
 898             if(Keyboard.Modifiers == ModifierKeys.None)\r
 899             {\r
 900                 if (e.Delta > 0)\r
 901                     this._Controller.Scroll(ScrollDirection.Up, SystemParameters.WheelScrollLines, false, false);\r
 902                 else\r
 903                     this._Controller.Scroll(ScrollDirection.Down, SystemParameters.WheelScrollLines, false, false);\r
 904             }\r
 905             else if (Keyboard.Modifiers == ModifierKeys.Control)\r
 906             {\r
 907                 double newFontSize = this.Render.FontSize;\r
 908                 if (e.Delta > 0)\r
 909                     newFontSize++;\r
 910                 else\r
 911                     newFontSize--;\r
 912                 if (newFontSize > MaxFontSize)\r
 913                     newFontSize = 72;\r
 914                 else if (newFontSize < MinFontSize)\r
 915                     newFontSize = 1;\r
 916                 this.Render.FontSize = newFontSize;\r
 917                 SetValue(MagnificationPowerPropertyKey, this.Render.FontSize / this.FontSize);\r
 918             }\r
 919             this.Refresh();\r
 920             base.OnMouseWheel(e);\r
 921         }\r
 922 \r
 923         void SystemEvents_UserPreferenceChanged(object sender, UserPreferenceChangedEventArgs e)\r
 924         {\r
 925             if (e.Category == UserPreferenceCategory.Keyboard)\r
 926             {\r
 927                 int blinkTime = (int)NativeMethods.GetCaretBlinkTime();\r
 928                 this.View.CaretBlink = blinkTime >= 0;\r
 929                 this.View.CaretBlinkTime = blinkTime * 2;\r
 930             }\r
 931             if (e.Category == UserPreferenceCategory.General)\r
 932             {\r
 933                 this.View.CaretWidthOnInsertMode = SystemParameters.CaretWidth;\r
 934             }\r
 935         }\r
 936 \r
 937         void Document_Update(object sender, DocumentUpdateEventArgs e)\r
 938         {\r
 939             if (this.textStore.IsLocked() || e.type == UpdateType.Clear)\r
 940                 return;\r
 941             if(e.removeLength == 0)\r
 942                 this.textStore.NotifyTextChanged(e.startIndex,e.startIndex,e.startIndex + e.insertLength);\r
 943             else\r
 944                 this.textStore.NotifyTextChanged(e.startIndex,e.startIndex + 1,e.startIndex + e.insertLength - e.removeLength);\r
 945         }\r
 946 \r
 947         void Document_Progress(object sender, ProgressEventArgs e)\r
 948         {\r
 949             if (this.Document.State == AsyncState.Loading)\r
 950                 return;\r
 951             switch (e.state)\r
 952             {\r
 953                 case ProgressState.Start:\r
 954                     this.textStore.NotifyTextChanged(0, this.Document.Length, 0);\r
 955                     break;\r
 956                 case ProgressState.Complete:\r
 957                     this.textStore.NotifyTextChanged(0, 0, this.Document.Length);\r
 958                     this.OnMouseMove(new MouseEventArgs(Mouse.PrimaryDevice, new TimeSpan(DateTime.Now.Ticks).Milliseconds));\r
 959                     if(this.verticalScrollBar != null)\r
 960                         this.verticalScrollBar.Maximum = this.View.LayoutLines.Count;\r
 961                     break;\r
 962             }\r
 963         }\r
 964 \r
 965         void timer_Tick(object sender, EventArgs e)\r
 966         {\r
 967             if (this.image.ActualWidth == 0 || this.image.ActualHeight == 0)\r
 968                 return;\r
 969             if (this.Document.State == AsyncState.Loading || this.Resize(this.image.ActualWidth, this.image.ActualHeight))\r
 970             {\r
 971                 this.Refresh();\r
 972                 return;\r
 973             } \r
 974             \r
 975             ITextLayout layout = this.View.LayoutLines.GetData(this.View.CaretPostion.row).Layout;\r
 976             double width = layout.GetWidthFromIndex(this.View.CaretPostion.col);\r
 977             if (width == 0.0)\r
 978                 width = this.View.CaretWidthOnInsertMode;\r
 979             double height = layout.Height;\r
 980             Rectangle updateRect = new Rectangle(\r
 981                 this.View.CaretLocation.X,\r
 982                 this.View.CaretLocation.Y,\r
 983                 width,\r
 984                 height);\r
 985 \r
 986             this.Refresh(updateRect);\r
 987         }\r
 988 \r
 989         void horizontalScrollBar_Scroll(object sender, ScrollEventArgs e)\r
 990         {\r
 991             if (this.Document.State == AsyncState.Loading)\r
 992                 return;\r
 993             if (this.horizontalScrollBar == null)\r
 994                 return;\r
 995             double toX;\r
 996             if (this.FlowDirection == System.Windows.FlowDirection.LeftToRight)\r
 997                 toX = this.horizontalScrollBar.Value;\r
 998             else\r
 999                 toX = -this.horizontalScrollBar.Value;\r
1000             this._Controller.Scroll(toX, this.View.Src.Row, false, false);\r
1001             this.Refresh();\r
1002         }\r
1003 \r
1004         void verticalScrollBar_Scroll(object sender, ScrollEventArgs e)\r
1005         {\r
1006             if (this.Document.State == AsyncState.Loading)\r
1007                 return;\r
1008             if (this.verticalScrollBar == null)\r
1009                 return;\r
1010             int newRow = (int)this.verticalScrollBar.Value;\r
1011             if (newRow >= this.View.LayoutLines.Count)\r
1012                 return;\r
1013             this._Controller.Scroll(this.View.Src.X,newRow, false, false);\r
1014             this.Refresh();\r
1015         }\r
1016 \r
1017         void View_SrcChanged(object sender, EventArgs e)\r
1018         {\r
1019             if (this.horizontalScrollBar == null || this.verticalScrollBar == null)\r
1020                 return;\r
1021             EditView view = this.View;\r
1022             if (view.Src.Row > this.verticalScrollBar.Maximum)\r
1023                 this.verticalScrollBar.Maximum = view.Src.Row + view.LineCountOnScreen + 1;\r
1024             double absoulteX = Math.Abs(view.Src.X);\r
1025             if(absoulteX > this.horizontalScrollBar.Maximum)\r
1026                 this.horizontalScrollBar.Maximum = absoulteX + view.PageBound.Width + 1;\r
1027             if(view.Src.Row != this.verticalScrollBar.Value)\r
1028                 this.verticalScrollBar.Value = view.Src.Row;\r
1029             if (view.Src.X != this.horizontalScrollBar.Value)\r
1030                 this.horizontalScrollBar.Value = Math.Abs(view.Src.X);\r
1031         }\r
1032 \r
1033         void Controller_CaretMoved(object sender, EventArgs e)\r
1034         {\r
1035             this.View.CaretBlink = this.View.CaretBlink;\r
1036             SetValue(CaretPostionPropertyKey, this.View.CaretPostion);\r
1037             if(this.textStore.IsLocked() == false)\r
1038                 this.textStore.NotifySelectionChanged();\r
1039         }\r
1040 \r
1041         void FooTextBox_Loaded(object sender, RoutedEventArgs e)\r
1042         {\r
1043             this.Resize(this.image.ActualWidth, this.image.ActualHeight);\r
1044         }\r
1045 \r
1046         bool Resize(double width, double height)\r
1047         {\r
1048             if (width == 0 || height == 0)\r
1049                 throw new ArgumentOutOfRangeException();\r
1050             if (this.Render.Resize(width, height) && this.Document.State != AsyncState.Loading)\r
1051             {\r
1052                 this.View.PageBound = new Rectangle(0, 0, width, height);\r
1053 \r
1054                 if (this.horizontalScrollBar != null)\r
1055                 {\r
1056                     this.horizontalScrollBar.LargeChange = this.View.PageBound.Width;\r
1057                     this.horizontalScrollBar.Maximum = this.View.LongestWidth + this.horizontalScrollBar.LargeChange + 1;\r
1058                 }\r
1059                 if (this.verticalScrollBar != null)\r
1060                 {\r
1061                     this.verticalScrollBar.LargeChange = this.View.LineCountOnScreen;\r
1062                     this.verticalScrollBar.Maximum = this.View.LayoutLines.Count + this.verticalScrollBar.LargeChange + 1;\r
1063                 }\r
1064                 return true;\r
1065             }\r
1066             return false;\r
1067         }\r
1068 \r
1069         /// <summary>\r
1070         /// プロパティーが変更されたときに呼ばれます\r
1071         /// </summary>\r
1072         /// <param name="e">イベントパラメーター</param>\r
1073         protected override void OnPropertyChanged(DependencyPropertyChangedEventArgs e)\r
1074         {\r
1075             switch (e.Property.Name)\r
1076             {\r
1077                 case "LineBreakMethod":\r
1078                     this.View.LineBreak = this.LineBreakMethod;\r
1079                     break;\r
1080                 case "LineBreakCharCount":\r
1081                     this.View.LineBreakCharCount = this.LineBreakCharCount;\r
1082                     break;\r
1083                 case "InsertMode":\r
1084                     this.View.InsertMode = this.InsertMode;\r
1085                     break;\r
1086                 case "TabChars":\r
1087                     this.View.TabStops = this.TabChars;\r
1088                     break;\r
1089                 case "RectSelectMode":\r
1090                     this._Controller.RectSelection = this.RectSelectMode;\r
1091                     break;\r
1092                 case "DrawCaret":\r
1093                     this.View.HideCaret = !this.DrawCaret;\r
1094                     break;\r
1095                 case "DrawCaretLine":\r
1096                     this.View.HideLineMarker = !this.DrawCaretLine;\r
1097                     break;\r
1098                 case "DrawLineNumber":\r
1099                     this.View.DrawLineNumber = this.DrawLineNumber;\r
1100                     this._Controller.JumpCaret(this.View.CaretPostion.row, this.View.CaretPostion.col);\r
1101                     break;\r
1102                 case "FontFamily":\r
1103                     this.Render.FontFamily = this.FontFamily;\r
1104                     break;\r
1105                 case "FontSize":\r
1106                     this.Render.FontSize = this.FontSize;\r
1107                     break;\r
1108                 case "FontStyle":\r
1109                     this.Render.FontStyle = this.FontStyle;\r
1110                     break;\r
1111                 case "FontWeight":\r
1112                     this.Render.FontWeigth = this.FontWeight;\r
1113                     break;\r
1114                 case "Foreground":\r
1115                     this.Render.Foreground = this.Foreground;\r
1116                     break;\r
1117                 case "Background":\r
1118                     this.Render.Background = this.Background;\r
1119                     break;\r
1120                 case "ControlChar":\r
1121                     this.Render.ControlChar = this.ControlChar;\r
1122                     break;\r
1123                 case "Hilight":\r
1124                     this.Render.Hilight = this.Hilight;\r
1125                     break;\r
1126                 case "Keyword1":\r
1127                     this.Render.Keyword1 = this.Keyword1;\r
1128                     break;\r
1129                 case "Keyword2":\r
1130                     this.Render.Keyword2 = this.Keyword2;\r
1131                     break;\r
1132                 case "Comment":\r
1133                     this.Render.Comment = this.Comment;\r
1134                     break;\r
1135                 case "Literal":\r
1136                     this.Render.Literal = this.Literal;\r
1137                     break;\r
1138                 case "URL":\r
1139                     this.Render.Url = this.URL;\r
1140                     break;\r
1141                 case "InsertCaret":\r
1142                     this.Render.InsertCaret = this.InsertCaret;\r
1143                     break;\r
1144                 case "OverwriteCaret":\r
1145                     this.Render.OverwriteCaret = this.OverwriteCaret;\r
1146                     break;\r
1147                 case "LineMarker":\r
1148                     this.Render.LineMarker = this.LineMarker;\r
1149                     break;\r
1150                 case "MarkURL":\r
1151                     this.View.UrlMark = this.MarkURL;\r
1152                     break;\r
1153                 case "ShowFullSpace":\r
1154                     this.Render.ShowFullSpace = this.ShowFullSpace;\r
1155                     break;\r
1156                 case "ShowHalfSpace":\r
1157                     this.Render.ShowHalfSpace = this.ShowHalfSpace;\r
1158                     break;\r
1159                 case "ShowTab":\r
1160                     this.Render.ShowTab = this.ShowTab;\r
1161                     break;\r
1162                 case "FlowDirection":\r
1163                     this.Render.RightToLeft = this.FlowDirection == System.Windows.FlowDirection.RightToLeft;\r
1164                     this.horizontalScrollBar.FlowDirection = this.FlowDirection;\r
1165                     break;\r
1166                 case "DrawRuler":\r
1167                     this.View.HideRuler = !this.DrawRuler;\r
1168                     this._Controller.JumpCaret(this.View.CaretPostion.row, this.View.CaretPostion.col);\r
1169                     break;\r
1170             }\r
1171             base.OnPropertyChanged(e);\r
1172         }\r
1173         #endregion\r
1174         #region property\r
1175 \r
1176         internal Controller Controller\r
1177         {\r
1178             get\r
1179             {\r
1180                 return this._Controller;\r
1181             }\r
1182         }\r
1183 \r
1184         /// <summary>\r
1185         /// 文字列の描写に使用されるアンチエイリアシング モードを表します\r
1186         /// </summary>\r
1187         public TextAntialiasMode TextAntialiasMode\r
1188         {\r
1189             get\r
1190             {\r
1191                 return this.Render.TextAntialiasMode;\r
1192             }\r
1193             set\r
1194             {\r
1195                 this.Render.TextAntialiasMode = value;\r
1196             }\r
1197         }\r
1198 \r
1199         /// <summary>\r
1200         /// シンタックスハイライターを表す\r
1201         /// </summary>\r
1202         public IHilighter Hilighter\r
1203         {\r
1204             get\r
1205             {\r
1206                 return this.View.Hilighter;\r
1207             }\r
1208             set\r
1209             {\r
1210                 this.View.Hilighter = value;\r
1211                 this.View.LayoutLines.ClearLayoutCache();\r
1212             }\r
1213         }\r
1214 \r
1215         /// <summary>\r
1216         /// フォールティングを作成するインターフェイスを表す\r
1217         /// </summary>\r
1218         public IFoldingStrategy FoldingStrategy\r
1219         {\r
1220             get\r
1221             {\r
1222                 return this.View.LayoutLines.FoldingStrategy;\r
1223             }\r
1224             set\r
1225             {\r
1226                 this.View.LayoutLines.FoldingStrategy = value;\r
1227                 if (value == null)\r
1228                     this.View.LayoutLines.FoldingCollection.Clear();\r
1229             }\r
1230         }\r
1231 \r
1232         /// <summary>\r
1233         /// ドキュメントを表す\r
1234         /// </summary>\r
1235         public Document Document\r
1236         {\r
1237             get;\r
1238             private set;\r
1239         }\r
1240 \r
1241         /// <summary>\r
1242         /// レイアウト行を表す\r
1243         /// </summary>\r
1244         public LineToIndexTable LayoutLineCollection\r
1245         {\r
1246             get { return this.View.LayoutLines; }\r
1247         }\r
1248 \r
1249         /// <summary>\r
1250         /// 選択中の文字列を表す\r
1251         /// </summary>\r
1252         public string SelectedText\r
1253         {\r
1254             get\r
1255             {\r
1256                 return this._Controller.SelectedText;\r
1257             }\r
1258             set\r
1259             {\r
1260                 int oldLength = this.Document.Length;\r
1261                 this._Controller.SelectedText = value;\r
1262             }\r
1263         }\r
1264 \r
1265         /// <summary>\r
1266         /// 選択範囲の開始インデックス\r
1267         /// </summary>\r
1268         /// <remarks>SelectionLengthが0の場合はキャレット位置を表します</remarks>\r
1269         public int SelectionStart\r
1270         {\r
1271             get { return this._Controller.SelectionStart; }\r
1272         }\r
1273 \r
1274         /// <summary>\r
1275         /// 選択範囲の長さ\r
1276         /// </summary>\r
1277         /// <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
1278         public int SelectionLength\r
1279         {\r
1280             get { return this._Controller.SelectionLength; }\r
1281         }\r
1282 \r
1283         /// <summary>\r
1284         /// 拡大率を表す\r
1285         /// </summary>\r
1286         public double MagnificationPower\r
1287         {\r
1288             get { return (double)GetValue(MagnificationPowerPropertyKey.DependencyProperty); }\r
1289         }\r
1290 \r
1291         /// <summary>\r
1292         /// 拡大率を表す依存プロパティ\r
1293         /// </summary>\r
1294         public static readonly DependencyPropertyKey MagnificationPowerPropertyKey =\r
1295             DependencyProperty.RegisterReadOnly("MagnificationPower", typeof(double), typeof(FooTextBox), new PropertyMetadata(1.0));\r
1296 \r
1297         /// <summary>\r
1298         /// レタリング方向を表す\r
1299         /// </summary>\r
1300         public new FlowDirection FlowDirection\r
1301         {\r
1302             get { return (FlowDirection)GetValue(FlowDirectionProperty); }\r
1303             set { SetValue(FlowDirectionProperty, value); }\r
1304         }\r
1305 \r
1306         /// <summary>\r
1307         /// レタリング方向を表す。これは依存プロパティです\r
1308         /// </summary>\r
1309         public new static readonly DependencyProperty FlowDirectionProperty =\r
1310             DependencyProperty.Register("FlowDirection", typeof(FlowDirection), typeof(FooTextBox), new PropertyMetadata(FlowDirection.LeftToRight));        \r
1311 \r
1312         /// <summary>\r
1313         /// キャレット位置を表す。これは依存プロパティです\r
1314         /// </summary>\r
1315         public TextPoint CaretPostion\r
1316         {\r
1317             get { return (TextPoint)GetValue(CaretPostionPropertyKey.DependencyProperty); }\r
1318         }\r
1319 \r
1320         static readonly DependencyPropertyKey CaretPostionPropertyKey =\r
1321             DependencyProperty.RegisterReadOnly("CaretPostion", typeof(TextPoint), typeof(FooTextBox), new FrameworkPropertyMetadata(new TextPoint()));\r
1322         \r
1323         /// <summary>\r
1324         /// デフォルトの文字色を表す。これは依存プロパティです\r
1325         /// </summary>\r
1326         public new System.Windows.Media.Color Foreground\r
1327         {\r
1328             get { return (System.Windows.Media.Color)GetValue(ForegroundProperty); }\r
1329             set { SetValue(ForegroundProperty, value); }\r
1330         }\r
1331 \r
1332         /// <summary>\r
1333         /// Foregroundの依存プロパティを表す\r
1334         /// </summary>\r
1335         public new static readonly DependencyProperty ForegroundProperty =\r
1336             DependencyProperty.Register("Foreground", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(SystemColors.WindowTextColor));\r
1337 \r
1338         /// <summary>\r
1339         /// 背景色を表す。これは依存プロパティです\r
1340         /// </summary>\r
1341         public new System.Windows.Media.Color Background\r
1342         {\r
1343             get { return (System.Windows.Media.Color)GetValue(BackgroundProperty); }\r
1344             set { SetValue(BackgroundProperty, value); }\r
1345         }\r
1346 \r
1347         /// <summary>\r
1348         /// Backgroundの依存プロパティを表す\r
1349         /// </summary>\r
1350         public new static readonly DependencyProperty BackgroundProperty =\r
1351             DependencyProperty.Register("Background", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(SystemColors.WindowColor));\r
1352         \r
1353         /// <summary>\r
1354         /// コントロールコードの文字色を表す。これは依存プロパティです\r
1355         /// </summary>\r
1356         public System.Windows.Media.Color ControlChar\r
1357         {\r
1358             get { return (System.Windows.Media.Color)GetValue(ControlCharProperty); }\r
1359             set { SetValue(ControlCharProperty, value); }\r
1360         }\r
1361 \r
1362         /// <summary>\r
1363         /// ControlCharの依存プロパティを表す\r
1364         /// </summary>\r
1365         public static readonly DependencyProperty ControlCharProperty =\r
1366             DependencyProperty.Register("ControlChar", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(Colors.Gray));\r
1367         \r
1368         /// <summary>\r
1369         /// 選択時の背景色を表す。これは依存プロパティです\r
1370         /// </summary>\r
1371         public System.Windows.Media.Color Hilight\r
1372         {\r
1373             get { return (System.Windows.Media.Color)GetValue(HilightProperty); }\r
1374             set { SetValue(HilightProperty, value); }\r
1375         }\r
1376 \r
1377         /// <summary>\r
1378         /// Hilightの依存プロパティを表す\r
1379         /// </summary>\r
1380         public static readonly DependencyProperty HilightProperty =\r
1381             DependencyProperty.Register("Hilight", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(SystemColors.HighlightColor));\r
1382         \r
1383         /// <summary>\r
1384         /// キーワード１の文字色を表す。これは依存プロパティです\r
1385         /// </summary>\r
1386         public System.Windows.Media.Color Keyword1\r
1387         {\r
1388             get { return (System.Windows.Media.Color)GetValue(Keyword1Property); }\r
1389             set { SetValue(Keyword1Property, value); }\r
1390         }\r
1391 \r
1392         /// <summary>\r
1393         /// Keyword1の依存プロパティを表す\r
1394         /// </summary>\r
1395         public static readonly DependencyProperty Keyword1Property =\r
1396             DependencyProperty.Register("Keyword1", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(Colors.Blue));\r
1397 \r
1398         /// <summary>\r
1399         /// キーワード2の文字色を表す。これは依存プロパティです\r
1400         /// </summary>\r
1401         public System.Windows.Media.Color Keyword2\r
1402         {\r
1403             get { return (System.Windows.Media.Color)GetValue(Keyword2Property); }\r
1404             set { SetValue(Keyword2Property, value); }\r
1405         }\r
1406 \r
1407         /// <summary>\r
1408         /// Keyword2の依存プロパティを表す\r
1409         /// </summary>\r
1410         public static readonly DependencyProperty Keyword2Property =\r
1411             DependencyProperty.Register("Keyword2", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(Colors.DarkCyan));\r
1412 \r
1413         /// <summary>\r
1414         /// コメントの文字色を表す。これは依存プロパティです\r
1415         /// </summary>\r
1416         public System.Windows.Media.Color Comment\r
1417         {\r
1418             get { return (System.Windows.Media.Color)GetValue(CommentProperty); }\r
1419             set { SetValue(CommentProperty, value); }\r
1420         }\r
1421 \r
1422         /// <summary>\r
1423         /// Commentの依存プロパティを表す\r
1424         /// </summary>\r
1425         public static readonly DependencyProperty CommentProperty =\r
1426             DependencyProperty.Register("Comment", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(Colors.Green));\r
1427 \r
1428         /// <summary>\r
1429         /// 文字リテラルの文字色を表す。これは依存プロパティです\r
1430         /// </summary>\r
1431         public System.Windows.Media.Color Literal\r
1432         {\r
1433             get { return (System.Windows.Media.Color)GetValue(LiteralProperty); }\r
1434             set { SetValue(LiteralProperty, value); }\r
1435         }\r
1436 \r
1437         /// <summary>\r
1438         /// Literalの依存プロパティを表す\r
1439         /// </summary>\r
1440         public static readonly DependencyProperty LiteralProperty =\r
1441             DependencyProperty.Register("Literal", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(Colors.Brown));\r
1442 \r
1443         /// <summary>\r
1444         /// URLの文字色を表す。これは依存プロパティです\r
1445         /// </summary>\r
1446         public System.Windows.Media.Color URL\r
1447         {\r
1448             get { return (System.Windows.Media.Color)GetValue(URLProperty); }\r
1449             set { SetValue(URLProperty, value); }\r
1450         }\r
1451 \r
1452         /// <summary>\r
1453         /// URLの依存プロパティを表す\r
1454         /// </summary>\r
1455         public static readonly DependencyProperty URLProperty =\r
1456             DependencyProperty.Register("URL", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(Colors.Blue));\r
1457 \r
1458 \r
1459         /// <summary>\r
1460         /// ラインマーカーの色を表す\r
1461         /// </summary>\r
1462         public System.Windows.Media.Color LineMarker\r
1463         {\r
1464             get { return (System.Windows.Media.Color)GetValue(LineMarkerProperty); }\r
1465             set { SetValue(LineMarkerProperty, value); }\r
1466         }\r
1467 \r
1468         /// <summary>\r
1469         /// LineMarkerの依存プロパティを表す\r
1470         /// </summary>\r
1471         public static readonly DependencyProperty LineMarkerProperty =\r
1472             DependencyProperty.Register("LineMarker", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(Colors.WhiteSmoke));\r
1473 \r
1474         /// <summary>\r
1475         /// 挿入モード時のキャレットの色を表す\r
1476         /// </summary>\r
1477         public System.Windows.Media.Color InsertCaret\r
1478         {\r
1479             get { return (System.Windows.Media.Color)GetValue(InsertCaretProperty); }\r
1480             set { SetValue(InsertCaretProperty, value); }\r
1481         }\r
1482 \r
1483         /// <summary>\r
1484         /// InsertCaretの依存プロパティを表す\r
1485         /// </summary>\r
1486         public static readonly DependencyProperty InsertCaretProperty =\r
1487             DependencyProperty.Register("InsertCaret", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(SystemColors.WindowTextColor));\r
1488 \r
1489         /// <summary>\r
1490         /// 上書きモード時のキャレット職を表す\r
1491         /// </summary>\r
1492         public System.Windows.Media.Color OverwriteCaret\r
1493         {\r
1494             get { return (System.Windows.Media.Color)GetValue(OverwriteCaretProperty); }\r
1495             set { SetValue(OverwriteCaretProperty, value); }\r
1496         }\r
1497 \r
1498         /// <summary>\r
1499         /// OverwriteCaretの依存プロパティを表す\r
1500         /// </summary>\r
1501         public static readonly DependencyProperty OverwriteCaretProperty =\r
1502             DependencyProperty.Register("OverwriteCaret", typeof(System.Windows.Media.Color), typeof(FooTextBox), new FrameworkPropertyMetadata(SystemColors.WindowTextColor));\r
1503         \r
1504         /// <summary>\r
1505         /// 挿入モードなら真を返し、そうでないなら、偽を返す。これは依存プロパティです\r
1506         /// </summary>\r
1507         public bool InsertMode\r
1508         {\r
1509             get { return (bool)GetValue(InsertModeProperty); }\r
1510             set { SetValue(InsertModeProperty, value); }\r
1511         }\r
1512 \r
1513         /// <summary>\r
1514         /// InsertModeの依存プロパティを表す\r
1515         /// </summary>\r
1516         public static readonly DependencyProperty InsertModeProperty =\r
1517             DependencyProperty.Register("InsertMode",\r
1518             typeof(bool),\r
1519             typeof(FooTextBox),\r
1520             new FrameworkPropertyMetadata(true));\r
1521 \r
1522         /// <summary>\r
1523         /// タブの文字数を表す。これは依存プロパティです\r
1524         /// </summary>\r
1525         public int TabChars\r
1526         {\r
1527             get { return (int)GetValue(TabCharsProperty); }\r
1528             set { SetValue(TabCharsProperty, value); }\r
1529         }\r
1530 \r
1531         /// <summary>\r
1532         /// TabCharsの依存プロパティを表す\r
1533         /// </summary>\r
1534         public static readonly DependencyProperty TabCharsProperty =\r
1535             DependencyProperty.Register("TabChars",\r
1536             typeof(int),\r
1537             typeof(FooTextBox),\r
1538             new FrameworkPropertyMetadata(4));\r
1539 \r
1540         /// <summary>\r
1541         /// 矩形選択モードなら真を返し、そうでないなら偽を返す。これは依存プロパティです\r
1542         /// </summary>\r
1543         public bool RectSelectMode\r
1544         {\r
1545             get { return (bool)GetValue(RectSelectModeProperty); }\r
1546             set { SetValue(RectSelectModeProperty, value); }\r
1547         }\r
1548 \r
1549         /// <summary>\r
1550         /// RectSelectModeの依存プロパティを表す\r
1551         /// </summary>\r
1552         public static readonly DependencyProperty RectSelectModeProperty =\r
1553             DependencyProperty.Register("RectSelectMode", typeof(bool), typeof(FooTextBox), new FrameworkPropertyMetadata(false));\r
1554 \r
1555         /// <summary>\r
1556         /// 折り返しの方法を指定する\r
1557         /// </summary>\r
1558         /// <remarks>\r
1559         /// 変更した場合、レイアウトの再構築を行う必要があります\r
1560         /// </remarks>\r
1561         public LineBreakMethod LineBreakMethod\r
1562         {\r
1563             get { return (LineBreakMethod)GetValue(LineBreakProperty); }\r
1564             set { SetValue(LineBreakProperty, value); }\r
1565         }\r
1566 \r
1567         /// <summary>\r
1568         /// LineBreakMethodの依存プロパティを表す\r
1569         /// </summary>\r
1570         public static readonly DependencyProperty LineBreakProperty =\r
1571             DependencyProperty.Register("LineBreakMethod", typeof(LineBreakMethod), typeof(FooTextBox), new PropertyMetadata(LineBreakMethod.None));\r
1572 \r
1573 \r
1574         /// <summary>\r
1575         /// 折り返しの幅を指定する。LineBreakMethod.CharUnit以外の時は無視されます\r
1576         /// </summary>\r
1577         /// <remarks>\r
1578         /// 変更した場合、レイアウトの再構築を行う必要があります\r
1579         /// </remarks>\r
1580         public int LineBreakCharCount\r
1581         {\r
1582             get { return (int)GetValue(LineBreakCharCountProperty); }\r
1583             set { SetValue(LineBreakCharCountProperty, value); }\r
1584         }\r
1585 \r
1586         // Using a DependencyProperty as the backing store for LineBreakCharCount.  This enables animation, styling, binding, etc...\r
1587         public static readonly DependencyProperty LineBreakCharCountProperty =\r
1588             DependencyProperty.Register("LineBreakCharCount", typeof(int), typeof(FooTextBox), new PropertyMetadata(80));\r
1589 \r
1590         /// <summary>\r
1591         /// キャレットを描くなら真。そうでないなら偽を返す。これは依存プロパティです\r
1592         /// </summary>\r
1593         public bool DrawCaret\r
1594         {\r
1595             get { return (bool)GetValue(DrawCaretProperty); }\r
1596             set { SetValue(DrawCaretProperty, value); }\r
1597         }\r
1598 \r
1599         /// <summary>\r
1600         /// DrawCaretの依存プロパティを表す\r
1601         /// </summary>\r
1602         public static readonly DependencyProperty DrawCaretProperty =\r
1603             DependencyProperty.Register("DrawCaret", typeof(bool), typeof(FooTextBox), new FrameworkPropertyMetadata(true));\r
1604 \r
1605         \r
1606         /// <summary>\r
1607         /// キャレットラインを描くなら真。そうでないなら偽を返す。これは依存プロパティです\r
1608         /// </summary>\r
1609         public bool DrawCaretLine\r
1610         {\r
1611             get { return (bool)GetValue(DrawCaretLineProperty); }\r
1612             set { SetValue(DrawCaretLineProperty, value); }\r
1613         }\r
1614 \r
1615         /// <summary>\r
1616         /// DrawCaretLineの依存プロパティを表す\r
1617         /// </summary>\r
1618         public static readonly DependencyProperty DrawCaretLineProperty =\r
1619             DependencyProperty.Register("DrawCaretLine", typeof(bool), typeof(FooTextBox), new FrameworkPropertyMetadata(true));\r
1620 \r
1621         /// <summary>\r
1622         /// 行番号を描くなら真。そうでなければ偽。これは依存プロパティです\r
1623         /// </summary>\r
1624         public bool DrawLineNumber\r
1625         {\r
1626             get { return (bool)GetValue(DrawLineNumberProperty); }\r
1627             set { SetValue(DrawLineNumberProperty, value); }\r
1628         }\r
1629 \r
1630         /// <summary>\r
1631         /// ルーラーを描くなら真。そうでなければ偽。これは依存プロパティです\r
1632         /// </summary>\r
1633         public bool DrawRuler\r
1634         {\r
1635             get { return (bool)GetValue(DrawRulerProperty); }\r
1636             set { SetValue(DrawRulerProperty, value); }\r
1637         }\r
1638 \r
1639         /// <summary>\r
1640         /// DrawRulerの依存プロパティを表す\r
1641         /// </summary>\r
1642         public static readonly DependencyProperty DrawRulerProperty =\r
1643             DependencyProperty.Register("DrawRuler", typeof(bool), typeof(FooTextBox), new PropertyMetadata(false));\r
1644 \r
1645         \r
1646         /// <summary>\r
1647         /// DrawLineNumberの依存プロパティを表す\r
1648         /// </summary>\r
1649         public static readonly DependencyProperty DrawLineNumberProperty =\r
1650             DependencyProperty.Register("DrawLineNumber", typeof(bool), typeof(FooTextBox), new FrameworkPropertyMetadata(false));\r
1651 \r
1652         /// <summary>\r
1653         /// URLに下線を引くなら真。そうでないなら偽を表す。これは依存プロパティです\r
1654         /// </summary>\r
1655         public bool MarkURL\r
1656         {\r
1657             get { return (bool)GetValue(MarkURLProperty); }\r
1658             set { SetValue(MarkURLProperty, value); }\r
1659         }\r
1660 \r
1661         /// <summary>\r
1662         /// MarkURLの依存プロパティを表す\r
1663         /// </summary>\r
1664         public static readonly DependencyProperty MarkURLProperty =\r
1665             DependencyProperty.Register("MarkURL", typeof(bool), typeof(FooTextBox), new FrameworkPropertyMetadata(true));\r
1666 \r
1667         /// <summary>\r
1668         /// 全角スペースを表示するなら真。そうでないなら偽\r
1669         /// </summary>\r
1670         public bool ShowFullSpace\r
1671         {\r
1672             get { return (bool)GetValue(ShowFullSpaceProperty); }\r
1673             set { SetValue(ShowFullSpaceProperty, value); }\r
1674         }\r
1675 \r
1676         /// <summary>\r
1677         /// ShowFullSpaceの依存プロパティを表す\r
1678         /// </summary>\r
1679         public static readonly DependencyProperty ShowFullSpaceProperty =\r
1680             DependencyProperty.Register("ShowFullSpace", typeof(bool), typeof(FooTextBox), new UIPropertyMetadata(false));\r
1681 \r
1682         /// <summary>\r
1683         /// 半角スペースを表示するなら真。そうでないなら偽\r
1684         /// </summary>\r
1685         public bool ShowHalfSpace\r
1686         {\r
1687             get { return (bool)GetValue(ShowHalfSpaceProperty); }\r
1688             set { SetValue(ShowHalfSpaceProperty, value); }\r
1689         }\r
1690 \r
1691         /// <summary>\r
1692         /// ShowHalfSpaceの依存プロパティを表す\r
1693         /// </summary>\r
1694         public static readonly DependencyProperty ShowHalfSpaceProperty =\r
1695             DependencyProperty.Register("ShowHalfSpace", typeof(bool), typeof(FooTextBox), new UIPropertyMetadata(false));\r
1696 \r
1697         /// <summary>\r
1698         /// タブを表示するなら真。そうでないなら偽\r
1699         /// </summary>\r
1700         public bool ShowTab\r
1701         {\r
1702             get { return (bool)GetValue(ShowTabProperty); }\r
1703             set { SetValue(ShowTabProperty, value); }\r
1704         }\r
1705 \r
1706         /// <summary>\r
1707         /// ShowTabの依存プロパティを表す\r
1708         /// </summary>\r
1709         public static readonly DependencyProperty ShowTabProperty =\r
1710             DependencyProperty.Register("ShowTab", typeof(bool), typeof(FooTextBox), new UIPropertyMetadata(false));\r
1711 \r
1712         #endregion\r
1713     }\r
1714     /// <summary>\r
1715     /// マウスボタン関連のイベントクラス\r
1716     /// </summary>\r
1717     public sealed class FooMouseButtonEventArgs : MouseButtonEventArgs\r
1718     {\r
1719         /// <summary>\r
1720         /// イベントが発生したドキュメントのインデックス\r
1721         /// </summary>\r
1722         public int Index\r
1723         {\r
1724             get;\r
1725             private set;\r
1726         }\r
1727 \r
1728         /// <summary>\r
1729         /// コンストラクター\r
1730         /// </summary>\r
1731         /// <param name="mouse">マウスデバイス</param>\r
1732         /// <param name="timestamp">タイムスタンプ</param>\r
1733         /// <param name="button">ボタン</param>\r
1734         /// <param name="stylusDevice">スタイラスデバイス</param>\r
1735         /// <param name="index">インデックス</param>\r
1736         public FooMouseButtonEventArgs(MouseDevice mouse, int timestamp, MouseButton button, StylusDevice stylusDevice, int index)\r
1737             : base(mouse, timestamp, button, stylusDevice)\r
1738         {\r
1739             this.Index = index;\r
1740         }\r
1741     }\r
1742     /// <summary>\r
1743     /// マウス関連のイベントクラス\r
1744     /// </summary>\r
1745     public sealed class FooMouseEventArgs : MouseEventArgs\r
1746     {\r
1747         /// <summary>\r
1748         /// イベントが発生したドキュメントのインデックス\r
1749         /// </summary>\r
1750         public int Index\r
1751         {\r
1752             get;\r
1753             private set;\r
1754         }\r
1755 \r
1756         /// <summary>\r
1757         /// コンストラクター\r
1758         /// </summary>\r
1759         /// <param name="mouse">マウスデバイス</param>\r
1760         /// <param name="timestamp">タイムスタンプ</param>\r
1761         /// <param name="stylusDevice">スタイラスデバイス</param>\r
1762         /// <param name="index">インデックス</param>\r
1763         public FooMouseEventArgs(MouseDevice mouse,\r
1764             int timestamp,\r
1765             StylusDevice stylusDevice,\r
1766             int index)\r
1767             : base(mouse, timestamp, stylusDevice)\r
1768         {\r
1769             this.Index = index;\r
1770         }\r
1771     }\r
1772 }\r