src/Tizen.NUI/src/public/ImfManager.cs

   1 /*
   2  * Copyright(c) 2018 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 using System;
  19 using System.Runtime.InteropServices;
  20 using System.ComponentModel;
  21
  22 namespace Tizen.NUI
  23 {
  24     /// <summary>
  25     /// Specifically manages the input method framework which enables the virtual or hardware keyboards.
  26     /// </summary>
  27     /// <since_tizen> 3 </since_tizen>
  28     [Obsolete("Please do not use! This will be deprecated! Please use InputMethodContext instead!")]
  29     [EditorBrowsable(EditorBrowsableState.Never)]
  30     public class ImfManager : BaseHandle
  31     {
  32         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  33
  34         internal ImfManager(IntPtr cPtr, bool cMemoryOwn) : base(NDalicManualPINVOKE.InputMethodContext_SWIGUpcast(cPtr), cMemoryOwn)
  35         {
  36             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  37         }
  38
  39         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ImfManager obj)
  40         {
  41             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
  42         }
  43
  44         /// <summary>
  45         /// Gets the singleton of the ImfManager object.
  46         /// </summary>
  47         /// <since_tizen> 5 </since_tizen>
  48         public static ImfManager Instance
  49         {
  50             get
  51             {
  52                 return new ImfManager();
  53             }
  54         }
  55
  56         /// <summary>
  57         /// Dispose
  58         /// </summary>
  59         /// <param name="type">Dispose Type</param>
  60         /// <since_tizen> 3 </since_tizen>
  61         /// Please DO NOT use! This will be deprecated!
  62         /// Dispose() method in Singletone classes (ex: FocusManager, StyleManager, VisualFactory, ImfManager, TtsPlayer, Window) is not required.
  63         [EditorBrowsable(EditorBrowsableState.Never)]
  64         protected override void Dispose(DisposeTypes type)
  65         {
  66             if (disposed)
  67             {
  68                 return;
  69             }
  70
  71             if (type == DisposeTypes.Explicit)
  72             {
  73                 //Called by User
  74                 //Release your own managed resources here.
  75                 //You should release all of your own disposable objects here.
  76
  77             }
  78
  79             //Release your own unmanaged resources here.
  80             //You should not access any managed member here except static instance.
  81             //because the execution order of Finalizes is non-deterministic.
  82
  83             if (_keyboardTypeChangedEventCallback != null)
  84             {
  85                 KeyboardTypeChangedSignal().Disconnect(_keyboardTypeChangedEventCallback);
  86             }
  87
  88             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  89             {
  90                 if (swigCMemOwn)
  91                 {
  92                     swigCMemOwn = false;
  93                     NDalicManualPINVOKE.delete_InputMethodContext(swigCPtr);
  94                 }
  95                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, IntPtr.Zero);
  96             }
  97
  98             base.Dispose(type);
  99         }
 100
 101         /// <summary>
 102         /// This structure is used to pass on data from the IMF regarding predictive text.
 103         /// </summary>
 104         /// <since_tizen> 3 </since_tizen>
 105         public class ImfEventData : global::System.IDisposable
 106         {
 107             private global::System.Runtime.InteropServices.HandleRef swigCPtr;
 108             /// <summary>
 109             /// swigCMemOwn
 110             /// </summary>
 111             /// <since_tizen> 3 </since_tizen>
 112             protected bool swigCMemOwn;
 113
 114             internal ImfEventData(IntPtr cPtr, bool cMemoryOwn)
 115             {
 116                 swigCMemOwn = cMemoryOwn;
 117                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
 118             }
 119
 120             internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ImfEventData obj)
 121             {
 122                 return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
 123             }
 124
 125             //A Flag to check who called Dispose(). (By User or DisposeQueue)
 126             private bool isDisposeQueued = false;
 127             /// <summary>
 128             /// A Flat to check if it is already disposed.
 129             /// </summary>
 130             /// <since_tizen> 3 </since_tizen>
 131             protected bool disposed = false;
 132
 133             /// <summary>
 134             /// Dispose.
 135             /// </summary>
 136             /// <since_tizen> 3 </since_tizen>
 137             ~ImfEventData()
 138             {
 139                 if (!isDisposeQueued)
 140                 {
 141                     isDisposeQueued = true;
 142                     DisposeQueue.Instance.Add(this);
 143                 }
 144             }
 145
 146             /// <summary>
 147             /// The dispose pattern.
 148             /// </summary>
 149             /// <since_tizen> 3 </since_tizen>
 150             public void Dispose()
 151             {
 152                 //Throw excpetion if Dispose() is called in separate thread.
 153                 if (!Window.IsInstalled())
 154                 {
 155                     throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
 156                 }
 157
 158                 if (isDisposeQueued)
 159                 {
 160                     Dispose(DisposeTypes.Implicit);
 161                 }
 162                 else
 163                 {
 164                     Dispose(DisposeTypes.Explicit);
 165                     System.GC.SuppressFinalize(this);
 166                 }
 167             }
 168
 169             /// <summary>
 170             /// Dispose.
 171             /// </summary>
 172             /// <since_tizen> 3 </since_tizen>
 173             protected virtual void Dispose(DisposeTypes type)
 174             {
 175                 if (disposed)
 176                 {
 177                     return;
 178                 }
 179
 180                 if (type == DisposeTypes.Explicit)
 181                 {
 182                     //Called by User
 183                     //Release your own managed resources here.
 184                     //You should release all of your own disposable objects here.
 185
 186                 }
 187
 188                 //Release your own unmanaged resources here.
 189                 //You should not access any managed member here except static instance.
 190                 //because the execution order of Finalizes is non-deterministic.
 191
 192                 if (swigCPtr.Handle != IntPtr.Zero)
 193                 {
 194                     if (swigCMemOwn)
 195                     {
 196                         swigCMemOwn = false;
 197                         NDalicManualPINVOKE.delete_InputMethodContext_EventData(swigCPtr);
 198                     }
 199                     swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, IntPtr.Zero);
 200                 }
 201
 202                 disposed = true;
 203             }
 204
 205             internal static ImfEventData GetImfEventDataFromPtr(IntPtr cPtr)
 206             {
 207                 ImfEventData ret = new ImfEventData(cPtr, false);
 208                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 209                 return ret;
 210             }
 211
 212             /// <summary>
 213             /// The default constructor.
 214             /// </summary>
 215             /// <since_tizen> 3 </since_tizen>
 216             public ImfEventData() : this(NDalicManualPINVOKE.new_InputMethodContext_EventData__SWIG_0(), true)
 217             {
 218                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 219             }
 220
 221             /// <summary>
 222             /// The constructor.
 223             /// </summary>
 224             /// <param name="aEventName">The name of the event from the IMF.</param>
 225             /// <param name="aPredictiveString">The pre-edit or the commit string.</param>
 226             /// <param name="aCursorOffset">Start the position from the current cursor position to start deleting characters.</param>
 227             /// <param name="aNumberOfChars">The number of characters to delete from the cursorOffset.</param>
 228             /// <since_tizen> 3 </since_tizen>
 229             public ImfEventData(ImfManager.ImfEvent aEventName, string aPredictiveString, int aCursorOffset, int aNumberOfChars) : this(NDalicManualPINVOKE.new_InputMethodContext_EventData__SWIG_1((int)aEventName, aPredictiveString, aCursorOffset, aNumberOfChars), true)
 230             {
 231                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 232             }
 233
 234             /// <summary>
 235             /// The pre-edit or the commit string.
 236             /// </summary>
 237             /// <since_tizen> 4 </since_tizen>
 238             public string PredictiveString
 239             {
 240                 set
 241                 {
 242                     NDalicManualPINVOKE.InputMethodContext_EventData_predictiveString_set(swigCPtr, value);
 243                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 244                 }
 245                 get
 246                 {
 247                     string ret = NDalicManualPINVOKE.InputMethodContext_EventData_predictiveString_get(swigCPtr);
 248                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 249                     return ret;
 250                 }
 251             }
 252
 253             /// <summary>
 254             /// The name of the event from the IMF.
 255             /// </summary>
 256             /// <since_tizen> 4 </since_tizen>
 257             public ImfManager.ImfEvent EventName
 258             {
 259                 set
 260                 {
 261                     NDalicManualPINVOKE.InputMethodContext_EventData_eventName_set(swigCPtr, (int)value);
 262                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 263                 }
 264                 get
 265                 {
 266                     ImfManager.ImfEvent ret = (ImfManager.ImfEvent)NDalicManualPINVOKE.InputMethodContext_EventData_eventName_get(swigCPtr);
 267                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 268                     return ret;
 269                 }
 270             }
 271
 272             /// <summary>
 273             /// The start position from the current cursor position to start deleting characters.
 274             /// </summary>
 275             /// <since_tizen> 4 </since_tizen>
 276             public int CursorOffset
 277             {
 278                 set
 279                 {
 280                     NDalicManualPINVOKE.InputMethodContext_EventData_cursorOffset_set(swigCPtr, value);
 281                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 282                 }
 283                 get
 284                 {
 285                     int ret = NDalicManualPINVOKE.InputMethodContext_EventData_cursorOffset_get(swigCPtr);
 286                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 287                     return ret;
 288                 }
 289             }
 290
 291             /// <summary>
 292             /// The number of characters to delete from the cursorOffset.
 293             /// </summary>
 294             /// <since_tizen> 4 </since_tizen>
 295             public int NumberOfChars
 296             {
 297                 set
 298                 {
 299                     NDalicManualPINVOKE.InputMethodContext_EventData_numberOfChars_set(swigCPtr, value);
 300                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 301                 }
 302                 get
 303                 {
 304                     int ret = NDalicManualPINVOKE.InputMethodContext_EventData_numberOfChars_get(swigCPtr);
 305                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 306                     return ret;
 307                 }
 308             }
 309
 310         }
 311
 312         /// <summary>
 313         /// Data required by the IMF from the callback.
 314         /// </summary>
 315         /// <since_tizen> 3 </since_tizen>
 316         public class ImfCallbackData : global::System.IDisposable
 317         {
 318             private global::System.Runtime.InteropServices.HandleRef swigCPtr;
 319             /// <summary>
 320             /// swigCMemOwn
 321             /// </summary>
 322             /// <since_tizen> 3 </since_tizen>
 323             protected bool swigCMemOwn;
 324
 325             internal IntPtr GetImfCallbackDataPtr()
 326             {
 327                 return (IntPtr)swigCPtr;
 328             }
 329
 330             internal ImfCallbackData(IntPtr cPtr, bool cMemoryOwn)
 331             {
 332                 swigCMemOwn = cMemoryOwn;
 333                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
 334             }
 335
 336             internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ImfCallbackData obj)
 337             {
 338                 return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
 339             }
 340
 341             //A Flag to check who called Dispose(). (By User or DisposeQueue)
 342             private bool isDisposeQueued = false;
 343             /// <summary>
 344             /// A Flat to check if it is already disposed.
 345             /// </summary>
 346             /// <since_tizen> 3 </since_tizen>
 347             protected bool disposed = false;
 348
 349
 350             /// <summary>
 351             /// Dispose.
 352             /// </summary>
 353             /// <since_tizen> 3 </since_tizen>
 354             ~ImfCallbackData()
 355             {
 356                 if (!isDisposeQueued)
 357                 {
 358                     isDisposeQueued = true;
 359                     DisposeQueue.Instance.Add(this);
 360                 }
 361             }
 362
 363             /// <summary>
 364             /// The dispose pattern.
 365             /// </summary>
 366             /// <since_tizen> 3 </since_tizen>
 367             public void Dispose()
 368             {
 369                 //Throw excpetion if Dispose() is called in separate thread.
 370                 if (!Window.IsInstalled())
 371                 {
 372                     throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
 373                 }
 374
 375                 if (isDisposeQueued)
 376                 {
 377                     Dispose(DisposeTypes.Implicit);
 378                 }
 379                 else
 380                 {
 381                     Dispose(DisposeTypes.Explicit);
 382                     System.GC.SuppressFinalize(this);
 383                 }
 384             }
 385
 386             /// <summary>
 387             /// Dispose.
 388             /// </summary>
 389             /// <since_tizen> 3 </since_tizen>
 390             protected virtual void Dispose(DisposeTypes type)
 391             {
 392                 if (disposed)
 393                 {
 394                     return;
 395                 }
 396
 397                 if (type == DisposeTypes.Explicit)
 398                 {
 399                     //Called by User
 400                     //Release your own managed resources here.
 401                     //You should release all of your own disposable objects here.
 402
 403                 }
 404
 405                 //Release your own unmanaged resources here.
 406                 //You should not access any managed member here except static instance.
 407                 //because the execution order of Finalizes is non-deterministic.
 408
 409                 if (swigCPtr.Handle != IntPtr.Zero)
 410                 {
 411                     if (swigCMemOwn)
 412                     {
 413                         swigCMemOwn = false;
 414                         NDalicManualPINVOKE.delete_InputMethodContext_CallbackData(swigCPtr);
 415                     }
 416                     swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, IntPtr.Zero);
 417                 }
 418
 419                 disposed = true;
 420             }
 421
 422             internal static ImfCallbackData GetImfCallbackDataFromPtr(IntPtr cPtr)
 423             {
 424                 ImfCallbackData ret = new ImfCallbackData(cPtr, false);
 425                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 426                 return ret;
 427             }
 428
 429             /// <summary>
 430             /// The default constructor.
 431             /// </summary>
 432             /// <since_tizen> 3 </since_tizen>
 433             public ImfCallbackData() : this(NDalicManualPINVOKE.new_InputMethodContext_CallbackData__SWIG_0(), true)
 434             {
 435                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 436             }
 437
 438             /// <summary>
 439             /// The constructor.
 440             /// </summary>
 441             /// <param name="aUpdate">True if the cursor position needs to be updated.</param>
 442             /// <param name="aCursorPosition">The new position of the cursor.</param>
 443             /// <param name="aCurrentText">The current text string.</param>
 444             /// <param name="aPreeditResetRequired">Flag if preedit reset is required.</param>
 445             /// <since_tizen> 3 </since_tizen>
 446             public ImfCallbackData(bool aUpdate, int aCursorPosition, string aCurrentText, bool aPreeditResetRequired) : this(NDalicManualPINVOKE.new_InputMethodContext_CallbackData__SWIG_1(aUpdate, aCursorPosition, aCurrentText, aPreeditResetRequired), true)
 447             {
 448                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 449             }
 450
 451             /// <summary>
 452             /// The current text string.
 453             /// </summary>
 454             /// <since_tizen> 4 </since_tizen>
 455             public string CurrentText
 456             {
 457                 set
 458                 {
 459                     NDalicManualPINVOKE.InputMethodContext_CallbackData_currentText_set(swigCPtr, value);
 460                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 461                 }
 462                 get
 463                 {
 464                     string ret = NDalicManualPINVOKE.InputMethodContext_CallbackData_currentText_get(swigCPtr);
 465                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 466                     return ret;
 467                 }
 468             }
 469
 470             /// <summary>
 471             /// The current text string.
 472             /// </summary>
 473             /// <since_tizen> 4 </since_tizen>
 474             public int CursorPosition
 475             {
 476                 set
 477                 {
 478                     NDalicManualPINVOKE.InputMethodContext_CallbackData_cursorPosition_set(swigCPtr, value);
 479                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 480                 }
 481                 get
 482                 {
 483                     int ret = NDalicManualPINVOKE.InputMethodContext_CallbackData_cursorPosition_get(swigCPtr);
 484                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 485                     return ret;
 486                 }
 487             }
 488
 489             /// <summary>
 490             /// If the cursor position needs to be updated.
 491             /// </summary>
 492             /// <since_tizen> 4 </since_tizen>
 493             public bool Update
 494             {
 495                 set
 496                 {
 497                     NDalicManualPINVOKE.InputMethodContext_CallbackData_update_set(swigCPtr, value);
 498                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 499                 }
 500                 get
 501                 {
 502                     bool ret = NDalicManualPINVOKE.InputMethodContext_CallbackData_update_get(swigCPtr);
 503                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 504                     return ret;
 505                 }
 506             }
 507
 508             /// <summary>
 509             /// Flags if preedit reset is required.
 510             /// </summary>
 511             /// <since_tizen> 4 </since_tizen>
 512             public bool PreeditResetRequired
 513             {
 514                 set
 515                 {
 516                     NDalicManualPINVOKE.InputMethodContext_CallbackData_preeditResetRequired_set(swigCPtr, value);
 517                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 518                 }
 519                 get
 520                 {
 521                     bool ret = NDalicManualPINVOKE.InputMethodContext_CallbackData_preeditResetRequired_get(swigCPtr);
 522                     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 523                     return ret;
 524                 }
 525             }
 526
 527         }
 528
 529         /// <summary>
 530         /// Destroy the context of the IMF.<br/>
 531         /// </summary>
 532         /// <since_tizen> 5 </since_tizen>
 533         public void DestroyContext()
 534         {
 535             NDalicManualPINVOKE.InputMethodContext_Finalize(swigCPtr);
 536             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 537         }
 538
 539         /// <summary>
 540         /// Destroy the context of the IMF.<br/>
 541         /// </summary>
 542         /// <since_tizen> 4 </since_tizen>
 543         /// Please do not use! This will be deprecated, instead please USE Tizen.NUI.ImfManager.Instance.DestroyContext()!
 544         [Obsolete("Please do not use! This will be deprecated! Please use ImfManager.Instance.DestroyContext() instead!")]
 545         [EditorBrowsable(EditorBrowsableState.Never)]
 546         public void Finalize()
 547         {
 548             DestroyContext();
 549         }
 550
 551         /// <summary>
 552         /// Retrieves a handle to the instance of the ImfManager.
 553         /// </summary>
 554         /// <returns>A handle to the ImfManager.</returns>
 555         /// <since_tizen> 3 </since_tizen>
 556         public static ImfManager Get()
 557         {
 558             return new ImfManager();
 559         }
 560
 561         /// <summary>
 562         /// Constructor.<br/>
 563         /// </summary>
 564         /// <since_tizen> 5 </since_tizen>
 565         public ImfManager () : this (NDalicManualPINVOKE.InputMethodContext_New(), true) {
 566             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 567
 568         }
 569
 570         internal ImfManager(ImfManager imfManager) : this(NDalicManualPINVOKE.new_InputMethodContext__SWIG_1(ImfManager.getCPtr(imfManager)), true) {
 571             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 572         }
 573
 574         internal ImfManager Assign(ImfManager imfManager) {
 575             ImfManager ret = new ImfManager(NDalicManualPINVOKE.InputMethodContext_Assign(swigCPtr, ImfManager.getCPtr(imfManager)), false);
 576             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 577             return ret;
 578         }
 579
 580         internal static ImfManager DownCast(BaseHandle handle) {
 581             ImfManager ret = new ImfManager(NDalicManualPINVOKE.InputMethodContext_DownCast(BaseHandle.getCPtr(handle)), true);
 582             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 583             return ret;
 584         }
 585
 586         /// <summary>
 587         /// Activates the IMF.<br/>
 588         /// It means that the text editing is started somewhere.<br/>
 589         /// If the hardware keyboard isn't connected, then it will show the virtual keyboard.
 590         /// </summary>
 591         /// <since_tizen> 3 </since_tizen>
 592         public void Activate()
 593         {
 594             NDalicManualPINVOKE.InputMethodContext_Activate(swigCPtr);
 595             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 596         }
 597
 598         /// <summary>
 599         /// Deactivates the IMF.<br/>
 600         /// It means that the text editing is finished somewhere.
 601         /// </summary>
 602         /// <since_tizen> 3 </since_tizen>
 603         public void Deactivate()
 604         {
 605             NDalicManualPINVOKE.InputMethodContext_Deactivate(swigCPtr);
 606             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 607         }
 608
 609         /// <summary>
 610         /// Gets the restoration status which controls if the keyboard is restored after the focus is lost and then regained.<br/>
 611         /// If true, then the keyboard will be restored (activated) after focus is regained.
 612         /// </summary>
 613         /// <returns>The restoration status.</returns>
 614         /// <since_tizen> 3 </since_tizen>
 615         public bool RestoreAfterFocusLost()
 616         {
 617             bool ret = NDalicManualPINVOKE.InputMethodContext_RestoreAfterFocusLost(swigCPtr);
 618             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 619             return ret;
 620         }
 621
 622         /// <summary>
 623         /// Sets the status whether the IMF has to restore the keyboard after losing focus.
 624         /// </summary>
 625         /// <param name="toggle">True means that keyboard should be restored after the focus is lost and regained.</param>
 626         /// <since_tizen> 3 </since_tizen>
 627         public void SetRestoreAfterFocusLost(bool toggle)
 628         {
 629             NDalicManualPINVOKE.InputMethodContext_SetRestoreAfterFocusLost(swigCPtr, toggle);
 630             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 631         }
 632
 633         /// <summary>
 634         /// Sends a message reset to the preedit state or the IMF module.
 635         /// </summary>
 636         /// <since_tizen> 3 </since_tizen>
 637         public new void Reset()
 638         {
 639             NDalicManualPINVOKE.InputMethodContext_Reset(swigCPtr);
 640             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 641         }
 642
 643         /// <summary>
 644         /// Notifies the IMF context that the cursor position has changed, required for features like auto-capitalization.
 645         /// </summary>
 646         /// <since_tizen> 3 </since_tizen>
 647         public void NotifyCursorPosition()
 648         {
 649             NDalicManualPINVOKE.InputMethodContext_NotifyCursorPosition(swigCPtr);
 650             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 651         }
 652
 653         /// <summary>
 654         /// Sets the cursor position stored in VirtualKeyboard, this is required by the IMF context.
 655         /// </summary>
 656         /// <param name="cursorPosition">The position of the cursor.</param>
 657         /// <since_tizen> 3 </since_tizen>
 658         public void SetCursorPosition(uint cursorPosition)
 659         {
 660             NDalicManualPINVOKE.InputMethodContext_SetCursorPosition(swigCPtr, cursorPosition);
 661             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 662         }
 663
 664         /// <summary>
 665         /// Gets the cursor position stored in VirtualKeyboard, this is required by the IMF context.
 666         /// </summary>
 667         /// <returns>The current position of the cursor.</returns>
 668         /// <since_tizen> 3 </since_tizen>
 669         public uint GetCursorPosition()
 670         {
 671             uint ret = NDalicManualPINVOKE.InputMethodContext_GetCursorPosition(swigCPtr);
 672             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 673             return ret;
 674         }
 675
 676         /// <summary>
 677         /// A method to store the string required by the IMF, this is used to provide predictive word suggestions.
 678         /// </summary>
 679         /// <param name="text">The text string surrounding the current cursor point.</param>
 680         /// <since_tizen> 3 </since_tizen>
 681         public void SetSurroundingText(string text)
 682         {
 683             NDalicManualPINVOKE.InputMethodContext_SetSurroundingText(swigCPtr, text);
 684             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 685         }
 686
 687         /// <summary>
 688         /// Gets the current text string set within the IMF manager, this is used to offer predictive suggestions.
 689         /// </summary>
 690         /// <returns>The surrounding text.</returns>
 691         /// <since_tizen> 3 </since_tizen>
 692         public string GetSurroundingText()
 693         {
 694             string ret = NDalicManualPINVOKE.InputMethodContext_GetSurroundingText(swigCPtr);
 695             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 696             return ret;
 697         }
 698
 699         /// <summary>
 700         /// Notifies the IMF context that text input is set to multiline or not.
 701         /// </summary>
 702         /// <param name="multiLine">True if multiline text input is used.</param>
 703         /// <since_tizen> 3 </since_tizen>
 704         public void NotifyTextInputMultiLine(bool multiLine)
 705         {
 706             NDalicManualPINVOKE.InputMethodContext_NotifyTextInputMultiLine(swigCPtr, multiLine);
 707             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 708         }
 709
 710         /// <summary>
 711         /// Returns the text direction of the keyboard's current input language.
 712         /// </summary>
 713         /// <returns>The direction of the text.</returns>
 714         /// <since_tizen> 3 </since_tizen>
 715         public ImfManager.TextDirection GetTextDirection()
 716         {
 717             ImfManager.TextDirection ret = (ImfManager.TextDirection)NDalicManualPINVOKE.InputMethodContext_GetTextDirection(swigCPtr);
 718             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 719             return ret;
 720         }
 721
 722         /// <summary>
 723         /// Provides the size and the position of the keyboard.<br/>
 724         /// The position is relative to whether the keyboard is visible or not.<br/>
 725         /// If the keyboard is not visible, then the position will be off the screen.<br/>
 726         /// If the keyboard is not being shown when this method is called, the keyboard is partially setup (IMFContext) to get/>
 727         /// the values then taken down. So ideally, GetInputMethodArea() should be called after Show().
 728         /// </summary>
 729         /// <returns>Rectangle which is keyboard panel x, y, width, height.</returns>
 730         /// <since_tizen> 3 </since_tizen>
 731         public Rectangle GetInputMethodArea()
 732         {
 733             Rectangle ret = new Rectangle(NDalicManualPINVOKE.InputMethodContext_GetInputMethodArea(swigCPtr), true);
 734             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 735             return ret;
 736         }
 737
 738         internal void ApplyOptions(InputMethodOptions options)
 739         {
 740             NDalicManualPINVOKE.InputMethodContext_ApplyOptions(swigCPtr, InputMethodOptions.getCPtr(options));
 741             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 742         }
 743
 744         /// <summary>
 745         /// Sets up the input-panel specific data.
 746         /// </summary>
 747         /// <param name="text">The specific data to be set to the input panel.</param>
 748         /// <since_tizen> 3 </since_tizen>
 749         public void SetInputPanelUserData(string text)
 750         {
 751             NDalicManualPINVOKE.InputMethodContext_SetInputPanelUserData(swigCPtr, text);
 752             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 753         }
 754
 755         /// <summary>
 756         /// Gets the specific data of the current active input panel.
 757         /// </summary>
 758         /// <param name="text">The specific data to be received from the input panel.</param>
 759         /// <since_tizen> 4 </since_tizen>
 760         public void GetInputPanelUserData(out string text)
 761         {
 762             NDalicManualPINVOKE.InputMethodContext_GetInputPanelUserData(swigCPtr, out text);
 763             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 764         }
 765
 766         /// <summary>
 767         /// Gets the state of the current active input panel.
 768         /// </summary>
 769         /// <returns>The state of the input panel.</returns>
 770         /// <since_tizen> 3 </since_tizen>
 771         public ImfManager.State GetInputPanelState()
 772         {
 773             ImfManager.State ret = (ImfManager.State)NDalicManualPINVOKE.InputMethodContext_GetInputPanelState(swigCPtr);
 774             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 775             return ret;
 776         }
 777
 778         /// <summary>
 779         /// Sets the return key on the input panel to be visible or invisible.<br/>
 780         /// The default is true.
 781         /// </summary>
 782         /// <param name="visible">True if the return key is visible (enabled), false otherwise.</param>
 783         /// <since_tizen> 3 </since_tizen>
 784         public void SetReturnKeyState(bool visible)
 785         {
 786             NDalicManualPINVOKE.InputMethodContext_SetReturnKeyState(swigCPtr, visible);
 787             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 788         }
 789
 790         /// <summary>
 791         /// Enables to show the input panel automatically when focused.
 792         /// </summary>
 793         /// <param name="enabled">If true, the input panel will be shown when focused.</param>
 794         /// <since_tizen> 3 </since_tizen>
 795         public void AutoEnableInputPanel(bool enabled)
 796         {
 797             NDalicManualPINVOKE.InputMethodContext_AutoEnableInputPanel(swigCPtr, enabled);
 798             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 799         }
 800
 801         /// <summary>
 802         /// Shows the input panel.
 803         /// </summary>
 804         /// <since_tizen> 3 </since_tizen>
 805         public void ShowInputPanel()
 806         {
 807             NDalicManualPINVOKE.InputMethodContext_ShowInputPanel(swigCPtr);
 808             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 809         }
 810
 811         /// <summary>
 812         /// Hides the input panel.
 813         /// </summary>
 814         /// <since_tizen> 3 </since_tizen>
 815         public void HideInputPanel()
 816         {
 817             NDalicManualPINVOKE.InputMethodContext_HideInputPanel(swigCPtr);
 818             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 819         }
 820
 821         /// <summary>
 822         /// Gets the keyboard type.<br/>
 823         /// The default keyboard type is SoftwareKeyboard.
 824         /// </summary>
 825         /// <returns>The keyboard type.</returns>
 826         /// <since_tizen> 4 </since_tizen>
 827         public ImfManager.KeyboardType GetKeyboardType()
 828         {
 829             ImfManager.KeyboardType ret = (ImfManager.KeyboardType)NDalicManualPINVOKE.InputMethodContext_GetKeyboardType(swigCPtr);
 830             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 831             return ret;
 832         }
 833
 834         /// <summary>
 835         /// Gets the current language locale of the input panel.<br/>
 836         /// For example, en_US, en_GB, en_PH, fr_FR, ...
 837         /// </summary>
 838         /// <returns>The current language locale of the input panel.</returns>
 839         /// <since_tizen> 4 </since_tizen>
 840         public string GetInputPanelLocale()
 841         {
 842             string ret = NDalicManualPINVOKE.InputMethodContext_GetInputPanelLocale(swigCPtr);
 843             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 844             return ret;
 845         }
 846
 847         /// <summary>
 848         /// ImfManager activated event arguments.
 849         /// </summary>
 850         /// <since_tizen> 4 </since_tizen>
 851         public class ActivatedEventArgs : EventArgs
 852         {
 853             /// <summary>
 854             /// ImfManager
 855             /// </summary>
 856             /// <since_tizen> 4 </since_tizen>
 857             public ImfManager ImfManager
 858             {
 859                 get;
 860                 set;
 861             }
 862         }
 863
 864         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
 865         private delegate void ActivatedEventCallbackType(IntPtr data);
 866         private ActivatedEventCallbackType _activatedEventCallback;
 867         private event EventHandler<ActivatedEventArgs> _activatedEventHandler;
 868
 869         /// <summary>
 870         /// ImfManager activated.
 871         /// </summary>
 872         /// <since_tizen> 4 </since_tizen>
 873         public event EventHandler<ActivatedEventArgs> Activated
 874         {
 875             add
 876             {
 877                 if (_activatedEventHandler == null)
 878                 {
 879                     _activatedEventCallback = OnActivated;
 880                     ActivatedSignal().Connect(_activatedEventCallback);
 881                 }
 882
 883                 _activatedEventHandler += value;
 884             }
 885             remove
 886             {
 887                 _activatedEventHandler -= value;
 888
 889                 if (_activatedEventHandler == null && _activatedEventCallback != null)
 890                 {
 891                     ActivatedSignal().Disconnect(_activatedEventCallback);
 892                 }
 893             }
 894         }
 895
 896         private void OnActivated(IntPtr data)
 897         {
 898             ActivatedEventArgs e = new ActivatedEventArgs();
 899
 900             if (data != null)
 901             {
 902                 e.ImfManager = Registry.GetManagedBaseHandleFromNativePtr(data) as ImfManager;
 903             }
 904
 905             if (_activatedEventHandler != null)
 906             {
 907                 _activatedEventHandler(this, e);
 908             }
 909         }
 910
 911         internal ActivatedSignalType ActivatedSignal()
 912         {
 913             ActivatedSignalType ret = new ActivatedSignalType(NDalicManualPINVOKE.InputMethodContext_ActivatedSignal(swigCPtr), false);
 914             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 915             return ret;
 916         }
 917
 918         /// <summary>
 919         /// ImfManager event received event arguments.
 920         /// </summary>
 921         /// <since_tizen> 4 </since_tizen>
 922         public class EventReceivedEventArgs : EventArgs
 923         {
 924             /// <summary>
 925             /// ImfManager
 926             /// </summary>
 927             /// <since_tizen> 4 </since_tizen>
 928             public ImfManager ImfManager
 929             {
 930                 get;
 931                 set;
 932             }
 933
 934             /// <summary>
 935             /// ImfEventData
 936             /// </summary>
 937             /// <since_tizen> 4 </since_tizen>
 938             public ImfEventData ImfEventData
 939             {
 940                 get;
 941                 set;
 942             }
 943         }
 944
 945         private delegate IntPtr EventReceivedEventCallbackType(IntPtr imfManager, IntPtr imfEventData);
 946         private EventReceivedEventCallbackType _eventReceivedEventCallback;
 947         private event EventHandlerWithReturnType<object, EventReceivedEventArgs, ImfCallbackData> _eventReceivedEventHandler;
 948
 949         /// <summary>
 950         /// ImfManager event received.
 951         /// </summary>
 952         /// <since_tizen> 4 </since_tizen>
 953         public event EventHandlerWithReturnType<object, EventReceivedEventArgs, ImfCallbackData> EventReceived
 954         {
 955             add
 956             {
 957                 if (_eventReceivedEventHandler == null)
 958                 {
 959                     _eventReceivedEventCallback = OnEventReceived;
 960                     EventReceivedSignal().Connect(_eventReceivedEventCallback);
 961                 }
 962
 963                 _eventReceivedEventHandler += value;
 964             }
 965             remove
 966             {
 967                 _eventReceivedEventHandler -= value;
 968
 969                 if (_eventReceivedEventHandler == null && _eventReceivedEventCallback != null)
 970                 {
 971                     EventReceivedSignal().Disconnect(_eventReceivedEventCallback);
 972                 }
 973             }
 974         }
 975
 976         private IntPtr OnEventReceived(IntPtr imfManager, IntPtr imfEventData)
 977         {
 978             ImfCallbackData imfCallbackData = null;
 979
 980             EventReceivedEventArgs e = new EventReceivedEventArgs();
 981
 982             if (imfManager != null)
 983             {
 984                 e.ImfManager = Registry.GetManagedBaseHandleFromNativePtr(imfManager) as ImfManager;
 985             }
 986             if (imfEventData != null)
 987             {
 988                 e.ImfEventData = ImfEventData.GetImfEventDataFromPtr(imfEventData);
 989             }
 990
 991             if (_eventReceivedEventHandler != null)
 992             {
 993                 imfCallbackData = _eventReceivedEventHandler(this, e);
 994             }
 995             if (imfCallbackData != null)
 996             {
 997                 return imfCallbackData.GetImfCallbackDataPtr();
 998             }
 999             else
1000             {
1001                 return new ImfCallbackData().GetImfCallbackDataPtr();
1002             }
1003         }
1004
1005         internal KeyboardEventSignalType EventReceivedSignal()
1006         {
1007             KeyboardEventSignalType ret = new KeyboardEventSignalType(NDalicManualPINVOKE.InputMethodContext_EventReceivedSignal(swigCPtr), false);
1008             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1009             return ret;
1010         }
1011
1012         /// <summary>
1013         /// ImfManager status changed event arguments.
1014         /// </summary>
1015         /// <since_tizen> 4 </since_tizen>
1016         public class StatusChangedEventArgs : EventArgs
1017         {
1018             /// <summary>
1019             /// ImfManager status
1020             /// </summary>
1021             /// <since_tizen> 4 </since_tizen>
1022             public bool StatusChanged
1023             {
1024                 get;
1025                 set;
1026             }
1027         }
1028
1029         private delegate void StatusChangedEventCallbackType(bool statusChanged);
1030         private StatusChangedEventCallbackType _statusChangedEventCallback;
1031         private event EventHandler<StatusChangedEventArgs> _statusChangedEventHandler;
1032
1033         /// <summary>
1034         /// ImfManager status changed.
1035         /// </summary>
1036         /// <since_tizen> 4 </since_tizen>
1037         public event EventHandler<StatusChangedEventArgs> StatusChanged
1038         {
1039             add
1040             {
1041                 if (_statusChangedEventHandler == null)
1042                 {
1043                     _statusChangedEventCallback = OnStatusChanged;
1044                     StatusChangedSignal().Connect(_statusChangedEventCallback);
1045                 }
1046
1047                 _statusChangedEventHandler += value;
1048             }
1049             remove
1050             {
1051                 _statusChangedEventHandler -= value;
1052
1053                 if (_statusChangedEventHandler == null && _statusChangedEventCallback != null)
1054                 {
1055                     StatusChangedSignal().Disconnect(_statusChangedEventCallback);
1056                 }
1057             }
1058         }
1059
1060         private void OnStatusChanged(bool statusChanged)
1061         {
1062             StatusChangedEventArgs e = new StatusChangedEventArgs();
1063
1064             e.StatusChanged = statusChanged;
1065
1066             if (_statusChangedEventHandler != null)
1067             {
1068                 _statusChangedEventHandler(this, e);
1069             }
1070         }
1071
1072         internal StatusSignalType StatusChangedSignal()
1073         {
1074             StatusSignalType ret = new StatusSignalType(NDalicManualPINVOKE.InputMethodContext_StatusChangedSignal(swigCPtr), false);
1075             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1076             return ret;
1077         }
1078
1079         /// <summary>
1080         /// ImfManager resized event.
1081         /// </summary>
1082         /// <since_tizen> 4 </since_tizen>
1083         public class ResizedEventArgs : EventArgs
1084         {
1085             /// <summary>
1086             /// resized.
1087             /// </summary>
1088             /// <since_tizen> 4 </since_tizen>
1089             public int Resized
1090             {
1091                 get;
1092                 set;
1093             }
1094         }
1095
1096         private delegate void ResizedEventCallbackType(int resized);
1097         private ResizedEventCallbackType _resizedEventCallback;
1098         private event EventHandler<ResizedEventArgs> _resizedEventHandler;
1099
1100         /// <summary>
1101         /// ImfManager resized.
1102         /// </summary>
1103         /// <since_tizen> 4 </since_tizen>
1104         public event EventHandler<ResizedEventArgs> Resized
1105         {
1106             add
1107             {
1108                 if (_resizedEventHandler == null)
1109                 {
1110                     _resizedEventCallback = OnResized;
1111                     ResizedSignal().Connect(_resizedEventCallback);
1112                 }
1113
1114                 _resizedEventHandler += value;
1115             }
1116             remove
1117             {
1118                 _resizedEventHandler -= value;
1119
1120                 if (_resizedEventHandler == null && _resizedEventCallback != null)
1121                 {
1122                     ResizedSignal().Disconnect(_resizedEventCallback);
1123                 }
1124             }
1125         }
1126
1127         private void OnResized(int resized)
1128         {
1129             ResizedEventArgs e = new ResizedEventArgs();
1130             e.Resized = resized;
1131
1132             if (_resizedEventHandler != null)
1133             {
1134                 _resizedEventHandler(this, e);
1135             }
1136         }
1137
1138         internal KeyboardResizedSignalType ResizedSignal()
1139         {
1140             KeyboardResizedSignalType ret = new KeyboardResizedSignalType(NDalicManualPINVOKE.InputMethodContext_ResizedSignal(swigCPtr), false);
1141             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1142             return ret;
1143         }
1144
1145         /// <summary>
1146         /// ImfManager language changed event args.
1147         /// </summary>
1148         /// <since_tizen> 4 </since_tizen>
1149         public class LanguageChangedEventArgs : EventArgs
1150         {
1151             /// <summary>
1152             /// language changed.
1153             /// </summary>
1154             /// <since_tizen> 4 </since_tizen>
1155             public int LanguageChanged
1156             {
1157                 get;
1158                 set;
1159             }
1160         }
1161
1162         private delegate void LanguageChangedEventCallbackType(int languageChanged);
1163         private LanguageChangedEventCallbackType _languageChangedEventCallback;
1164         private event EventHandler<LanguageChangedEventArgs> _languageChangedEventHandler;
1165
1166         /// <summary>
1167         /// ImfManager language changed.
1168         /// </summary>
1169         /// <since_tizen> 4 </since_tizen>
1170         public event EventHandler<LanguageChangedEventArgs> LanguageChanged
1171         {
1172             add
1173             {
1174                 if (_languageChangedEventHandler == null)
1175                 {
1176                     _languageChangedEventCallback = OnLanguageChanged;
1177                     LanguageChangedSignal().Connect(_languageChangedEventCallback);
1178                 }
1179
1180                 _languageChangedEventHandler += value;
1181             }
1182             remove
1183             {
1184                 _languageChangedEventHandler -= value;
1185
1186                 if (_languageChangedEventHandler == null && _languageChangedEventCallback != null)
1187                 {
1188                     LanguageChangedSignal().Disconnect(_languageChangedEventCallback);
1189                 }
1190             }
1191         }
1192
1193         private void OnLanguageChanged(int languageChanged)
1194         {
1195             LanguageChangedEventArgs e = new LanguageChangedEventArgs();
1196             e.LanguageChanged = languageChanged;
1197
1198             if (_languageChangedEventHandler != null)
1199             {
1200                 _languageChangedEventHandler(this, e);
1201             }
1202         }
1203
1204         internal LanguageChangedSignalType LanguageChangedSignal()
1205         {
1206             LanguageChangedSignalType ret = new LanguageChangedSignalType(NDalicManualPINVOKE.InputMethodContext_LanguageChangedSignal(swigCPtr), false);
1207             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1208             return ret;
1209         }
1210
1211         /// <summary>
1212         /// ImfManager keyboard type changed event arguments.
1213         /// </summary>
1214         /// <since_tizen> 4 </since_tizen>
1215         public class KeyboardTypeChangedEventArgs : EventArgs
1216         {
1217             /// <summary>
1218             /// ImfManager keyboard type
1219             /// </summary>
1220             /// <since_tizen> 4 </since_tizen>
1221             public KeyboardType KeyboardType
1222             {
1223                 get;
1224                 set;
1225             }
1226         }
1227
1228         private delegate void KeyboardTypeChangedEventCallbackType(KeyboardType type);
1229         private KeyboardTypeChangedEventCallbackType _keyboardTypeChangedEventCallback;
1230         private event EventHandler<KeyboardTypeChangedEventArgs> _keyboardTypeChangedEventHandler;
1231
1232         /// <summary>
1233         /// ImfManager keyboard type changed.
1234         /// </summary>
1235         /// <since_tizen> 4 </since_tizen>
1236         public event EventHandler<KeyboardTypeChangedEventArgs> KeyboardTypeChanged
1237         {
1238             add
1239             {
1240                 if (_keyboardTypeChangedEventHandler == null)
1241                 {
1242                     _keyboardTypeChangedEventCallback = OnKeyboardTypeChanged;
1243                     KeyboardTypeChangedSignal().Connect(_keyboardTypeChangedEventCallback);
1244                 }
1245
1246                 _keyboardTypeChangedEventHandler += value;
1247             }
1248             remove
1249             {
1250                 _keyboardTypeChangedEventHandler -= value;
1251
1252                 if (_keyboardTypeChangedEventHandler == null && _keyboardTypeChangedEventCallback != null)
1253                 {
1254                     KeyboardTypeChangedSignal().Disconnect(_keyboardTypeChangedEventCallback);
1255                 }
1256             }
1257         }
1258
1259         private void OnKeyboardTypeChanged(KeyboardType type)
1260         {
1261             KeyboardTypeChangedEventArgs e = new KeyboardTypeChangedEventArgs();
1262
1263             e.KeyboardType = type;
1264
1265             if (_keyboardTypeChangedEventHandler != null)
1266             {
1267                 _keyboardTypeChangedEventHandler(this, e);
1268             }
1269         }
1270
1271         internal KeyboardTypeSignalType KeyboardTypeChangedSignal()
1272         {
1273             KeyboardTypeSignalType ret = new KeyboardTypeSignalType(NDalicManualPINVOKE.InputMethodContext_KeyboardTypeChangedSignal(swigCPtr), false);
1274             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1275             return ret;
1276         }
1277
1278         /// <summary>
1279         /// The direction of the text.
1280         /// </summary>
1281         /// <since_tizen> 3 </since_tizen>
1282         public enum TextDirection
1283         {
1284             /// <summary>
1285             /// Left to right.
1286             /// </summary>
1287             LeftToRight,
1288             /// <summary>
1289             /// Right to left.
1290             /// </summary>
1291             RightToLeft
1292         }
1293
1294         /// <summary>
1295         /// Events that are generated by the IMF.
1296         /// </summary>
1297         /// <since_tizen> 3 </since_tizen>
1298         public enum ImfEvent
1299         {
1300             /// <summary>
1301             /// No event.
1302             /// </summary>
1303             /// <since_tizen> 4 </since_tizen>
1304             Void,
1305             /// <summary>
1306             /// Pre-Edit changed.
1307             /// </summary>
1308             /// <since_tizen> 4 </since_tizen>
1309             Preedit,
1310             /// <summary>
1311             /// Commit received.
1312             /// </summary>
1313             /// <since_tizen> 4 </since_tizen>
1314             Commit,
1315             /// <summary>
1316             /// An event to delete a range of characters from the string.
1317             /// </summary>
1318             /// <since_tizen> 4 </since_tizen>
1319             DeleteSurrounding,
1320             /// <summary>
1321             /// An event to query string and the cursor position.
1322             /// </summary>
1323             /// <since_tizen> 4 </since_tizen>
1324             GetSurrounding,
1325             /// <summary>
1326             /// Private command sent from the input panel.
1327             /// </summary>
1328             /// <since_tizen> 4 </since_tizen>
1329             PrivateCommand
1330         }
1331
1332         /// <summary>
1333         /// Enumeration for the state of the input panel.
1334         /// </summary>
1335         /// <since_tizen> 3 </since_tizen>
1336         public enum State
1337         {
1338             /// <summary>
1339             /// Unknown state.
1340             /// </summary>
1341             /// <since_tizen> 4 </since_tizen>
1342             Default = 0,
1343             /// <summary>
1344             /// Input panel is shown.
1345             /// </summary>
1346             /// <since_tizen> 4 </since_tizen>
1347             Show,
1348             /// <summary>
1349             /// Input panel is hidden.
1350             /// </summary>
1351             /// <since_tizen> 4 </since_tizen>
1352             Hide,
1353             /// <summary>
1354             /// Input panel in process of being shown.
1355             /// </summary>
1356             /// <since_tizen> 4 </since_tizen>
1357             WillShow
1358         }
1359
1360         /// <summary>
1361         /// Enumeration for the types of keyboard.
1362         /// </summary>
1363         /// <since_tizen> 4 </since_tizen>
1364         public enum KeyboardType
1365         {
1366             /// <summary>
1367             /// Software keyboard (virtual keyboard) is default.
1368             /// </summary>
1369             /// <since_tizen> 4 </since_tizen>
1370             SoftwareKeyboard,
1371             /// <summary>
1372             /// Hardware keyboard.
1373             /// </summary>
1374             /// <since_tizen> 4 </since_tizen>
1375             HardwareKeyboard
1376         }
1377     }
1378 }