dali-toolkit/internal/controls/text-controls/text-field-impl.cpp

   1 /*
   2  * Copyright (c) 2015 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 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-field-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <string>
  23 #include <dali/public-api/adaptor-framework/key.h>
  24 #include <dali/public-api/common/stage.h>
  25 #include <dali/public-api/images/resource-image.h>
  26 #include <dali/public-api/object/type-registry.h>
  27 #include <dali/public-api/object/type-registry-helper.h>
  28 #include <dali/public-api/scripting/scripting.h>
  29 #include <dali/integration-api/debug.h>
  30 #include <dali/public-api/adaptor-framework/virtual-keyboard.h>
  31
  32 // INTERNAL INCLUDES
  33 #include <dali-toolkit/public-api/text/rendering-backend.h>
  34 #include <dali-toolkit/internal/text/layouts/layout-engine.h>
  35 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  36 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  37
  38 using namespace Dali::Toolkit::Text;
  39
  40 namespace Dali
  41 {
  42
  43 namespace Toolkit
  44 {
  45
  46 namespace Internal
  47 {
  48
  49 namespace
  50 {
  51   const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::Text::DEFAULT_RENDERING_BACKEND;
  52 }
  53
  54 namespace
  55 {
  56
  57 const Scripting::StringEnum< Toolkit::Text::LayoutEngine::HorizontalAlignment > HORIZONTAL_ALIGNMENT_STRING_TABLE[] =
  58 {
  59   { "BEGIN",  Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_BEGIN  },
  60   { "CENTER", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_CENTER },
  61   { "END",    Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_END    },
  62 };
  63 const unsigned int HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE ) / sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE[0] );
  64
  65 const Scripting::StringEnum< Toolkit::Text::LayoutEngine::VerticalAlignment > VERTICAL_ALIGNMENT_STRING_TABLE[] =
  66 {
  67   { "TOP",    Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_TOP    },
  68   { "CENTER", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_CENTER },
  69   { "BOTTOM", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_BOTTOM },
  70 };
  71 const unsigned int VERTICAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( VERTICAL_ALIGNMENT_STRING_TABLE ) / sizeof( VERTICAL_ALIGNMENT_STRING_TABLE[0] );
  72
  73 // Type registration
  74 BaseHandle Create()
  75 {
  76   return Toolkit::TextField::New();
  77 }
  78
  79 // Setup properties, signals and actions using the type-registry.
  80 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::TextField, Toolkit::Control, Create );
  81
  82 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "rendering-backend",       INTEGER,   RENDERING_BACKEND       )
  83 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "placeholder-text",        STRING,    PLACEHOLDER_TEXT        )
  84 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "text",                    STRING,    TEXT                    )
  85 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "font-family",             STRING,    FONT_FAMILY             )
  86 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "font-style",              STRING,    FONT_STYLE              )
  87 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "point-size",              FLOAT,     POINT_SIZE              )
  88 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "exceed-policy",           INTEGER,   EXCEED_POLICY           )
  89 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "primary-cursor-color",    VECTOR4,   PRIMARY_CURSOR_COLOR    )
  90 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "secondary-cursor-color",  VECTOR4,   SECONDARY_CURSOR_COLOR  )
  91 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "enable-cursor-blink",     BOOLEAN,   ENABLE_CURSOR_BLINK     )
  92 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "cursor-blink-interval",   FLOAT,     CURSOR_BLINK_INTERVAL   )
  93 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "cursor-blink-duration",   FLOAT,     CURSOR_BLINK_DURATION   )
  94 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "grab-handle-image",       STRING,    GRAB_HANDLE_IMAGE       )
  95 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "decoration-bounding-box", RECTANGLE, DECORATION_BOUNDING_BOX )
  96 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "horizontal-alignment",    STRING,    HORIZONTAL_ALIGNMENT    )
  97 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "vertical-alignment",      STRING,    VERTICAL_ALIGNMENT      )
  98
  99 DALI_TYPE_REGISTRATION_END()
 100
 101 } // namespace
 102
 103 Toolkit::TextField TextField::New()
 104 {
 105   // Create the implementation, temporarily owned by this handle on stack
 106   IntrusivePtr< TextField > impl = new TextField();
 107
 108   // Pass ownership to CustomActor handle
 109   Toolkit::TextField handle( *impl );
 110
 111   // Second-phase init of the implementation
 112   // This can only be done after the CustomActor connection has been made...
 113   impl->Initialize();
 114
 115   return handle;
 116 }
 117
 118 void TextField::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
 119 {
 120   Toolkit::TextField textField = Toolkit::TextField::DownCast( Dali::BaseHandle( object ) );
 121
 122   if( textField )
 123   {
 124     TextField& impl( GetImpl( textField ) );
 125
 126     switch( index )
 127     {
 128       case Toolkit::TextField::Property::RENDERING_BACKEND:
 129       {
 130         int backend = value.Get< int >();
 131
 132         if( impl.mRenderingBackend != backend )
 133         {
 134           impl.mRenderingBackend = backend;
 135           impl.mRenderer.Reset();
 136         }
 137         break;
 138       }
 139       case Toolkit::TextField::Property::PLACEHOLDER_TEXT:
 140       {
 141         if( impl.mController )
 142         {
 143           //impl.mController->SetPlaceholderText( value.Get< std::string >() ); TODO
 144         }
 145         break;
 146       }
 147       case Toolkit::TextField::Property::TEXT:
 148       {
 149         if( impl.mController )
 150         {
 151           impl.mController->SetText( value.Get< std::string >() );
 152         }
 153         break;
 154       }
 155       case Toolkit::TextField::Property::FONT_FAMILY:
 156       {
 157         if( impl.mController )
 158         {
 159           std::string fontFamily = value.Get< std::string >();
 160
 161           if( impl.mController->GetDefaultFontFamily() != fontFamily )
 162           {
 163             impl.mController->SetDefaultFontFamily( fontFamily );
 164             impl.RequestTextRelayout();
 165           }
 166         }
 167         break;
 168       }
 169       case Toolkit::TextField::Property::FONT_STYLE:
 170       {
 171         if( impl.mController )
 172         {
 173           std::string fontStyle = value.Get< std::string >();
 174
 175           if( impl.mController->GetDefaultFontStyle() != fontStyle )
 176           {
 177             impl.mController->SetDefaultFontStyle( fontStyle );
 178             impl.RequestTextRelayout();
 179           }
 180         }
 181         break;
 182       }
 183       case Toolkit::TextField::Property::POINT_SIZE:
 184       {
 185         if( impl.mController )
 186         {
 187           float pointSize = value.Get< float >();
 188
 189           if( impl.mController->GetDefaultPointSize() != pointSize /*TODO - epsilon*/ )
 190           {
 191             impl.mController->SetDefaultPointSize( pointSize );
 192             impl.RequestTextRelayout();
 193           }
 194         }
 195         break;
 196       }
 197       case Toolkit::TextField::Property::EXCEED_POLICY:
 198       {
 199         impl.mExceedPolicy = value.Get< int >();
 200         break;
 201       }
 202       case Toolkit::TextField::Property::PRIMARY_CURSOR_COLOR:
 203       {
 204         if( impl.mDecorator )
 205         {
 206           impl.mDecorator->SetColor( PRIMARY_CURSOR, value.Get< Vector4 >() );
 207         }
 208         break;
 209       }
 210       case Toolkit::TextField::Property::SECONDARY_CURSOR_COLOR:
 211       {
 212         if( impl.mDecorator )
 213         {
 214           impl.mDecorator->SetColor( SECONDARY_CURSOR, value.Get< Vector4 >() );
 215         }
 216         break;
 217       }
 218       case Toolkit::TextField::Property::ENABLE_CURSOR_BLINK:
 219       {
 220         if( impl.mController )
 221         {
 222           impl.mController->SetEnableCursorBlink( value.Get< bool >() );
 223         }
 224         break;
 225       }
 226       case Toolkit::TextField::Property::CURSOR_BLINK_INTERVAL:
 227       {
 228         if( impl.mDecorator )
 229         {
 230           impl.mDecorator->SetCursorBlinkInterval( value.Get< float >() );
 231         }
 232         break;
 233       }
 234       case Toolkit::TextField::Property::CURSOR_BLINK_DURATION:
 235       {
 236         if( impl.mDecorator )
 237         {
 238           impl.mDecorator->SetCursorBlinkDuration( value.Get< float >() );
 239         }
 240         break;
 241       }
 242       case Toolkit::TextField::Property::GRAB_HANDLE_IMAGE:
 243       {
 244         ResourceImage image = ResourceImage::New( value.Get< std::string >() );
 245
 246         if( impl.mDecorator )
 247         {
 248           impl.mDecorator->SetGrabHandleImage( image );
 249         }
 250         break;
 251       }
 252       case Toolkit::TextField::Property::DECORATION_BOUNDING_BOX:
 253       {
 254         if( impl.mDecorator )
 255         {
 256           impl.mDecorator->SetBoundingBox( value.Get< Rect<int> >() );
 257         }
 258         break;
 259       }
 260       case Toolkit::TextField::Property::HORIZONTAL_ALIGNMENT:
 261       {
 262         LayoutEngine& engine = impl.mController->GetLayoutEngine();
 263         const LayoutEngine::HorizontalAlignment alignment = Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::HorizontalAlignment >( value.Get< std::string >().c_str(),
 264                                                                                                                                            HORIZONTAL_ALIGNMENT_STRING_TABLE,
 265                                                                                                                                            HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
 266
 267         if( engine.GetHorizontalAlignment() != alignment )
 268         {
 269           engine.SetHorizontalAlignment( alignment );
 270           impl.RequestTextRelayout();
 271         }
 272         break;
 273       }
 274       case Toolkit::TextField::Property::VERTICAL_ALIGNMENT:
 275       {
 276         LayoutEngine& engine = impl.mController->GetLayoutEngine();
 277         const LayoutEngine::VerticalAlignment alignment = Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::VerticalAlignment >( value.Get< std::string >().c_str(),
 278                                                                                                                                        VERTICAL_ALIGNMENT_STRING_TABLE,
 279                                                                                                                                        VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
 280
 281         if( engine.GetVerticalAlignment() != alignment )
 282         {
 283           engine.SetVerticalAlignment( alignment );
 284           impl.RequestTextRelayout();
 285         }
 286         break;
 287       }
 288     } // switch
 289   } // textfield
 290 }
 291
 292 Property::Value TextField::GetProperty( BaseObject* object, Property::Index index )
 293 {
 294   Property::Value value;
 295
 296   Toolkit::TextField textField = Toolkit::TextField::DownCast( Dali::BaseHandle( object ) );
 297
 298   if( textField )
 299   {
 300     TextField& impl( GetImpl( textField ) );
 301
 302     switch( index )
 303     {
 304       case Toolkit::TextField::Property::RENDERING_BACKEND:
 305       {
 306         value = impl.mRenderingBackend;
 307         break;
 308       }
 309       case Toolkit::TextField::Property::PLACEHOLDER_TEXT:
 310       {
 311         if( impl.mController )
 312         {
 313           std::string text;
 314           impl.mController->GetPlaceholderText( text );
 315           value = text;
 316         }
 317         break;
 318       }
 319       case Toolkit::TextField::Property::TEXT:
 320       {
 321         if( impl.mController )
 322         {
 323           std::string text;
 324           impl.mController->GetText( text );
 325           value = text;
 326         }
 327         break;
 328       }
 329       case Toolkit::TextField::Property::EXCEED_POLICY:
 330       {
 331         value = impl.mExceedPolicy;
 332         break;
 333       }
 334       case Toolkit::TextField::Property::PRIMARY_CURSOR_COLOR:
 335       {
 336         if( impl.mDecorator )
 337         {
 338           value = impl.mDecorator->GetColor( PRIMARY_CURSOR );
 339         }
 340         break;
 341       }
 342       case Toolkit::TextField::Property::SECONDARY_CURSOR_COLOR:
 343       {
 344         if( impl.mDecorator )
 345         {
 346           value = impl.mDecorator->GetColor( SECONDARY_CURSOR );
 347         }
 348         break;
 349       }
 350       case Toolkit::TextField::Property::ENABLE_CURSOR_BLINK:
 351       {
 352         value = impl.mController->GetEnableCursorBlink();
 353         break;
 354       }
 355       case Toolkit::TextField::Property::CURSOR_BLINK_INTERVAL:
 356       {
 357         if( impl.mDecorator )
 358         {
 359           value = impl.mDecorator->GetCursorBlinkInterval();
 360         }
 361         break;
 362       }
 363       case Toolkit::TextField::Property::CURSOR_BLINK_DURATION:
 364       {
 365         if( impl.mDecorator )
 366         {
 367           value = impl.mDecorator->GetCursorBlinkDuration();
 368         }
 369         break;
 370       }
 371       case Toolkit::TextField::Property::DECORATION_BOUNDING_BOX:
 372       {
 373         if( impl.mDecorator )
 374         {
 375           value = impl.mDecorator->GetBoundingBox();
 376         }
 377         break;
 378       }
 379       case Toolkit::TextField::Property::HORIZONTAL_ALIGNMENT:
 380       {
 381         if( impl.mController )
 382         {
 383           value = std::string( Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::HorizontalAlignment >( impl.mController->GetLayoutEngine().GetHorizontalAlignment(),
 384                                                                                                                   HORIZONTAL_ALIGNMENT_STRING_TABLE,
 385                                                                                                                   HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT ) );
 386         }
 387         break;
 388       }
 389       case Toolkit::TextField::Property::VERTICAL_ALIGNMENT:
 390       {
 391         if( impl.mController )
 392         {
 393           value = std::string( Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::VerticalAlignment >( impl.mController->GetLayoutEngine().GetVerticalAlignment(),
 394                                                                                                                   VERTICAL_ALIGNMENT_STRING_TABLE,
 395                                                                                                                   VERTICAL_ALIGNMENT_STRING_TABLE_COUNT ) );
 396         }
 397         break;
 398       }
 399     } //switch
 400   }
 401
 402   return value;
 403 }
 404
 405 void TextField::OnInitialize()
 406 {
 407   Actor self = Self();
 408
 409   mController = Text::Controller::New( *this );
 410
 411   mDecorator = Text::Decorator::New( *this, *mController );
 412
 413   mController->GetLayoutEngine().SetLayout( LayoutEngine::SINGLE_LINE_BOX );
 414
 415   mController->EnableTextInput( mDecorator );
 416
 417   // Forward input events to controller
 418   EnableGestureDetection(Gesture::Tap);
 419   GetTapGestureDetector().SetMaximumTapsRequired( 2 );
 420   EnableGestureDetection(Gesture::Pan);
 421
 422   // Set BoundingBox to stage size if not already set.
 423   if ( mDecorator->GetBoundingBox().IsEmpty() )
 424   {
 425     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 426     mDecorator->SetBoundingBox( Rect<int>( 0.0f, 0.0f, stageSize.width, stageSize.height ) );
 427   }
 428
 429   // Fill-parent area by default
 430   self.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 431   self.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
 432 }
 433
 434 void TextField::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange change )
 435 {
 436   GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
 437 }
 438
 439 Vector3 TextField::GetNaturalSize()
 440 {
 441   return mController->GetNaturalSize();
 442 }
 443
 444 float TextField::GetHeightForWidth( float width )
 445 {
 446   return mController->GetHeightForWidth( width );
 447 }
 448
 449 void TextField::OnRelayout( const Vector2& size, RelayoutContainer& container )
 450 {
 451   if( mController->Relayout( size ) ||
 452       !mRenderer )
 453   {
 454     const Vector2& scrollPosition = mController->GetScrollPosition();
 455     const Vector2& alignmentOffset = mController->GetAlignmentOffset();
 456
 457     Vector2 offset = scrollPosition + alignmentOffset;
 458
 459     if( mDecorator )
 460     {
 461       mDecorator->Relayout( size, offset );
 462     }
 463
 464     if( !mRenderer )
 465     {
 466       mRenderer = Backend::Get().NewRenderer( mRenderingBackend );
 467     }
 468
 469     RenderableActor renderableActor;
 470     if( mRenderer )
 471     {
 472       renderableActor = mRenderer->Render( mController->GetView() );
 473     }
 474
 475     EnableClipping( (Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy), size );
 476
 477     if( renderableActor != mRenderableActor )
 478     {
 479       UnparentAndReset( mRenderableActor );
 480       mRenderableActor = renderableActor;
 481     }
 482
 483     if( mRenderableActor )
 484     {
 485       mRenderableActor.SetPosition( offset.x, offset.y );
 486
 487       // Make sure the actor is parented correctly with/without clipping
 488       if( mClipper )
 489       {
 490         mClipper->GetRootActor().Add( mRenderableActor );
 491       }
 492       else
 493       {
 494         Self().Add( mRenderableActor );
 495       }
 496     }
 497   }
 498 }
 499
 500 void TextField::OnKeyInputFocusGained()
 501 {
 502   VirtualKeyboard::StatusChangedSignal().Connect( this, &TextField::KeyboardStatusChanged );
 503
 504   ImfManager imfManager = ImfManager::Get();
 505
 506   if ( imfManager )
 507   {
 508     imfManager.EventReceivedSignal().Connect( this, &TextField::OnImfEvent );
 509
 510     // Notify that the text editing start.
 511     imfManager.Activate();
 512
 513     // When window gain lost focus, the imf manager is deactivated. Thus when window gain focus again, the imf manager must be activated.
 514     imfManager.SetRestoreAfterFocusLost( true );
 515   }
 516
 517   mController->KeyboardFocusGainEvent();
 518
 519   EmitKeyInputFocusSignal( true ); // Calls back into the Control hence done last.
 520 }
 521
 522 void TextField::OnKeyInputFocusLost()
 523 {
 524   VirtualKeyboard::StatusChangedSignal().Disconnect( this, &TextField::KeyboardStatusChanged );
 525
 526   ImfManager imfManager = ImfManager::Get();
 527   if ( imfManager )
 528   {
 529     // The text editing is finished. Therefore the imf manager don't have restore activation.
 530     imfManager.SetRestoreAfterFocusLost( false );
 531
 532     // Notify that the text editing finish.
 533     imfManager.Deactivate();
 534
 535     imfManager.EventReceivedSignal().Disconnect( this, &TextField::OnImfEvent );
 536   }
 537
 538   mController->KeyboardFocusLostEvent();
 539
 540   EmitKeyInputFocusSignal( false ); // Calls back into the Control hence done last.
 541 }
 542
 543 void TextField::OnTap( const TapGesture& gesture )
 544 {
 545   // Show the keyboard if it was hidden.
 546   if (!VirtualKeyboard::IsVisible())
 547   {
 548     VirtualKeyboard::Show();
 549   }
 550
 551   SetKeyInputFocus();
 552
 553   mController->TapEvent( gesture.numberOfTaps, gesture.localPoint.x, gesture.localPoint.y );
 554 }
 555
 556 void TextField::OnPan( const PanGesture& gesture )
 557 {
 558   mController->PanEvent( gesture.state, gesture.displacement );
 559 }
 560
 561 bool TextField::OnKeyEvent( const KeyEvent& event )
 562 {
 563   if( Dali::DALI_KEY_ESCAPE == event.keyCode )
 564   {
 565     ClearKeyInputFocus();
 566   }
 567
 568   return mController->KeyEvent( event );
 569 }
 570
 571 ImfManager::ImfCallbackData TextField::OnImfEvent( Dali::ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
 572 {
 573   switch ( imfEvent.eventName )
 574   {
 575     case ImfManager::COMMIT:
 576     {
 577       KeyEvent event( "", imfEvent.predictiveString, 0, 0, 0, KeyEvent::Down );
 578       mController->KeyEvent( event );
 579       break;
 580     }
 581     case ImfManager::PREEDIT: // fall through
 582     case ImfManager::DELETESURROUNDING:
 583     case ImfManager::GETSURROUNDING:
 584     case ImfManager::VOID:
 585     {
 586       // do nothing
 587     }
 588   } // end switch
 589
 590   return ImfManager::ImfCallbackData();
 591 }
 592
 593 void TextField::RequestTextRelayout()
 594 {
 595   RelayoutRequest();
 596 }
 597
 598 void TextField::EnableClipping( bool clipping, const Vector2& size )
 599 {
 600   if( clipping )
 601   {
 602     // Not worth to created clip actor if width or height is equal to zero.
 603     if( size.width > Math::MACHINE_EPSILON_1000 && size.height > Math::MACHINE_EPSILON_1000 )
 604     {
 605       if( !mClipper )
 606       {
 607         Actor self = Self();
 608
 609         mClipper = Clipper::New( size );
 610         self.Add( mClipper->GetRootActor() );
 611         self.Add( mClipper->GetImageActor() );
 612       }
 613       else if ( mClipper )
 614       {
 615         mClipper->Refresh( size );
 616       }
 617     }
 618   }
 619   else
 620   {
 621     // Note - this will automatically remove the root & image actors
 622     mClipper.Reset();
 623   }
 624 }
 625
 626 void TextField::KeyboardStatusChanged(bool keyboardShown)
 627 {
 628   // Just hide the grab handle when keyboard is hidden.
 629   if (!keyboardShown )
 630   {
 631     mController->KeyboardFocusLostEvent();
 632   }
 633 }
 634
 635 TextField::TextField()
 636 : Control( ControlBehaviour( REQUIRES_STYLE_CHANGE_SIGNALS ) ),
 637   mRenderingBackend( DEFAULT_RENDERING_BACKEND ),
 638   mExceedPolicy( Dali::Toolkit::TextField::EXCEED_POLICY_CLIP )
 639 {
 640 }
 641
 642 TextField::~TextField()
 643 {
 644   mClipper.Reset();
 645 }
 646
 647 } // namespace Internal
 648
 649 } // namespace Toolkit
 650
 651 } // namespace Dali