ModelView implementation.
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-editor-impl.cpp
index 660e823..81696b7 100644 (file)
 #include <dali/public-api/common/stage.h>
 #include <dali/public-api/images/resource-image.h>
 #include <dali/devel-api/adaptor-framework/virtual-keyboard.h>
-#include <dali/devel-api/object/type-registry-helper.h>
+#include <dali/public-api/object/type-registry-helper.h>
+#include <dali/integration-api/adaptors/adaptor.h>
 #include <dali/integration-api/debug.h>
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/public-api/text/rendering-backend.h>
 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
 #include <dali-toolkit/internal/text/rendering/text-backend.h>
+#include <dali-toolkit/internal/text/text-effects-style.h>
 #include <dali-toolkit/internal/text/text-font-style.h>
 #include <dali-toolkit/internal/text/text-view.h>
 #include <dali-toolkit/internal/styling/style-manager-impl.h>
@@ -51,10 +53,11 @@ namespace // unnamed namespace
 {
 
 #if defined(DEBUG_ENABLED)
-  Debug::Filter* gLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
+Debug::Filter* gLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
 #endif
 
-  const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::Text::DEFAULT_RENDERING_BACKEND;
+const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::Text::DEFAULT_RENDERING_BACKEND;
+const float DEFAULT_SCROLL_SPEED = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
 } // unnamed namespace
 
 namespace
@@ -62,9 +65,9 @@ namespace
 
 const Scripting::StringEnum HORIZONTAL_ALIGNMENT_STRING_TABLE[] =
 {
-  { "BEGIN",  Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_BEGIN  },
-  { "CENTER", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_CENTER },
-  { "END",    Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_END    },
+  { "BEGIN",  Toolkit::Text::Layout::HORIZONTAL_ALIGN_BEGIN  },
+  { "CENTER", Toolkit::Text::Layout::HORIZONTAL_ALIGN_CENTER },
+  { "END",    Toolkit::Text::Layout::HORIZONTAL_ALIGN_END    },
 };
 const unsigned int HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE ) / sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE[0] );
 
@@ -81,7 +84,7 @@ DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "renderingBackend",
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "text",                                 STRING,    TEXT                                 )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                           )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                          )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "fontStyle",                            STRING,    FONT_STYLE                           )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "fontStyle",                            MAP,       FONT_STYLE                           )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                           )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                 )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                     )
@@ -105,10 +108,21 @@ DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "decorationBoundingBox",
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                        )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                          )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                    )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputFontStyle",                       STRING,    INPUT_FONT_STYLE                     )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                     )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                     )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                         )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                   )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "underline",                            MAP,       UNDERLINE                            )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                      )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "shadow",                               MAP,       SHADOW                               )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                         )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "emboss",                               MAP,       EMBOSS                               )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                         )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "outline",                              MAP,       OUTLINE                              )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                        )
 
 DALI_SIGNAL_REGISTRATION( Toolkit, TextEditor, "textChanged",        SIGNAL_TEXT_CHANGED )
+DALI_SIGNAL_REGISTRATION( Toolkit, TextEditor, "inputStyleChanged",  SIGNAL_INPUT_STYLE_CHANGED )
 
 DALI_TYPE_REGISTRATION_END()
 
@@ -159,7 +173,7 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mController )
         {
-          const std::string text = value.Get< std::string >();
+          const std::string& text = value.Get< std::string >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p TEXT %s\n", impl.mController.Get(), text.c_str() );
 
           impl.mController->SetText( text );
@@ -170,12 +184,12 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mController )
         {
-          const Vector4 textColor = value.Get< Vector4 >();
+          const Vector4& textColor = value.Get< Vector4 >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p TEXT_COLOR %f,%f,%f,%f\n", impl.mController.Get(), textColor.r, textColor.g, textColor.b, textColor.a );
 
-          if( impl.mController->GetTextColor() != textColor )
+          if( impl.mController->GetDefaultColor() != textColor )
           {
-            impl.mController->SetTextColor( textColor );
+            impl.mController->SetDefaultColor( textColor );
             impl.mController->SetInputColor( textColor );
             impl.mRenderer.Reset();
           }
@@ -186,7 +200,7 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mController )
         {
-          const std::string fontFamily = value.Get< std::string >();
+          const std::string& fontFamily = value.Get< std::string >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p FONT_FAMILY %s\n", impl.mController.Get(), fontFamily.c_str() );
           impl.mController->SetDefaultFontFamily( fontFamily );
         }
@@ -215,14 +229,14 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mController )
         {
-          const std::string alignStr = value.Get< std::string >();
+          const std::string& alignStr = value.Get< std::string >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p HORIZONTAL_ALIGNMENT %s\n", impl.mController.Get(), alignStr.c_str() );
 
-          LayoutEngine::HorizontalAlignment alignment( LayoutEngine::HORIZONTAL_ALIGN_BEGIN );
-          if( Scripting::GetEnumeration< LayoutEngine::HorizontalAlignment >( alignStr.c_str(),
-                                                                              HORIZONTAL_ALIGNMENT_STRING_TABLE,
-                                                                              HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT,
-                                                                              alignment ) )
+          Layout::HorizontalAlignment alignment( Layout::HORIZONTAL_ALIGN_BEGIN );
+          if( Scripting::GetEnumeration< Layout::HorizontalAlignment >( alignStr.c_str(),
+                                                                        HORIZONTAL_ALIGNMENT_STRING_TABLE,
+                                                                        HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT,
+                                                                        alignment ) )
           {
             impl.mController->SetHorizontalAlignment( alignment );
           }
@@ -255,7 +269,7 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mDecorator )
         {
-          const Vector4 color = value.Get< Vector4 >();
+          const Vector4& color = value.Get< Vector4 >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p PRIMARY_CURSOR_COLOR %f,%f,%f,%f\n", impl.mController.Get(), color.r, color.g, color.b, color.a );
 
           impl.mDecorator->SetCursorColor( PRIMARY_CURSOR, color );
@@ -267,7 +281,7 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mDecorator )
         {
-          const Vector4 color = value.Get< Vector4 >();
+          const Vector4& color = value.Get< Vector4 >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p SECONDARY_CURSOR_COLOR %f,%f,%f,%f\n", impl.mController.Get(), color.r, color.g, color.b, color.a );
 
           impl.mDecorator->SetCursorColor( SECONDARY_CURSOR, color );
@@ -427,7 +441,7 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mDecorator )
         {
-          const Rect<int> box = value.Get< Rect<int> >();
+          const Rect<int>& box = value.Get< Rect<int> >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p DECORATION_BOUNDING_BOX %d,%d %dx%d\n", impl.mController.Get(), box.x, box.y, box.width, box.height );
 
           impl.mDecorator->SetBoundingBox( box );
@@ -450,7 +464,7 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mController )
         {
-          const Vector4 inputColor = value.Get< Vector4 >();
+          const Vector4& inputColor = value.Get< Vector4 >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p INPUT_COLOR %f,%f,%f,%f\n", impl.mController.Get(), inputColor.r, inputColor.g, inputColor.b, inputColor.a );
 
           impl.mController->SetInputColor( inputColor );
@@ -461,7 +475,7 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
       {
         if( impl.mController )
         {
-          const std::string fontFamily = value.Get< std::string >();
+          const std::string& fontFamily = value.Get< std::string >();
           DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor %p INPUT_FONT_FAMILY %s\n", impl.mController.Get(), fontFamily.c_str() );
           impl.mController->SetInputFontFamily( fontFamily );
         }
@@ -482,6 +496,98 @@ void TextEditor::SetProperty( BaseObject* object, Property::Index index, const P
         }
         break;
       }
+      case Toolkit::TextEditor::Property::LINE_SPACING:
+      {
+        if( impl.mController )
+        {
+          const float lineSpacing = value.Get<float>();
+          impl.mController->SetDefaultLineSpacing( lineSpacing );
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_LINE_SPACING:
+      {
+        if( impl.mController )
+        {
+          const float lineSpacing = value.Get<float>();
+          impl.mController->SetInputLineSpacing( lineSpacing );
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::UNDERLINE:
+      {
+        const bool update = SetUnderlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_UNDERLINE:
+      {
+        const bool update = SetUnderlineProperties( impl.mController, value, Text::EffectStyle::INPUT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::SHADOW:
+      {
+        const bool update = SetShadowProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_SHADOW:
+      {
+        const bool update = SetShadowProperties( impl.mController, value, Text::EffectStyle::INPUT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::EMBOSS:
+      {
+        const bool update = SetEmbossProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_EMBOSS:
+      {
+        const bool update = SetEmbossProperties( impl.mController, value, Text::EffectStyle::INPUT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::OUTLINE:
+      {
+        const bool update = SetOutlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_OUTLINE:
+      {
+        const bool update = SetOutlineProperties( impl.mController, value, Text::EffectStyle::INPUT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
     } // switch
   } // texteditor
 }
@@ -518,7 +624,7 @@ Property::Value TextEditor::GetProperty( BaseObject* object, Property::Index ind
       {
         if ( impl.mController )
         {
-          value = impl.mController->GetTextColor();
+          value = impl.mController->GetDefaultColor();
         }
         break;
       }
@@ -547,9 +653,9 @@ Property::Value TextEditor::GetProperty( BaseObject* object, Property::Index ind
       {
         if( impl.mController )
         {
-          const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::HorizontalAlignment >( impl.mController->GetLayoutEngine().GetHorizontalAlignment(),
-                                                                                                                HORIZONTAL_ALIGNMENT_STRING_TABLE,
-                                                                                                                HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
+          const char* name = Scripting::GetEnumerationName< Toolkit::Text::Layout::HorizontalAlignment >( impl.mController->GetHorizontalAlignment(),
+                                                                                                          HORIZONTAL_ALIGNMENT_STRING_TABLE,
+                                                                                                          HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
           if( name )
           {
             value = std::string( name );
@@ -727,6 +833,62 @@ Property::Value TextEditor::GetProperty( BaseObject* object, Property::Index ind
         }
         break;
       }
+      case Toolkit::TextEditor::Property::LINE_SPACING:
+      {
+        if( impl.mController )
+        {
+          value = impl.mController->GetDefaultLineSpacing();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_LINE_SPACING:
+      {
+        if( impl.mController )
+        {
+          value = impl.mController->GetInputLineSpacing();
+        }
+        break;
+      }
+      case Toolkit::TextEditor::Property::UNDERLINE:
+      {
+        GetUnderlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_UNDERLINE:
+      {
+        GetUnderlineProperties( impl.mController, value, Text::EffectStyle::INPUT );
+        break;
+      }
+      case Toolkit::TextEditor::Property::SHADOW:
+      {
+        GetShadowProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_SHADOW:
+      {
+        GetShadowProperties( impl.mController, value, Text::EffectStyle::INPUT );
+        break;
+      }
+      case Toolkit::TextEditor::Property::EMBOSS:
+      {
+        GetEmbossProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_EMBOSS:
+      {
+        GetEmbossProperties( impl.mController, value, Text::EffectStyle::INPUT );
+        break;
+      }
+      case Toolkit::TextEditor::Property::OUTLINE:
+      {
+        GetOutlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        break;
+      }
+      case Toolkit::TextEditor::Property::INPUT_OUTLINE:
+      {
+        GetOutlineProperties( impl.mController, value, Text::EffectStyle::INPUT );
+        break;
+      }
     } //switch
   }
 
@@ -744,6 +906,10 @@ bool TextEditor::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface
   {
     editor.TextChangedSignal().Connect( tracker, functor );
   }
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED ) )
+  {
+    editor.InputStyleChangedSignal().Connect( tracker, functor );
+  }
   else
   {
     // signalName does not match any signal
@@ -758,26 +924,42 @@ Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
   return mTextChangedSignal;
 }
 
+Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
+{
+  return mInputStyleChangedSignal;
+}
+
 void TextEditor::OnInitialize()
 {
   Actor self = Self();
 
-  mController = Text::Controller::New( *this );
+  mController = Text::Controller::New( this, this );
 
   mDecorator = Text::Decorator::New( *mController,
                                      *mController );
 
-  mController->GetLayoutEngine().SetLayout( LayoutEngine::MULTI_LINE_BOX );
+  mController->GetLayoutEngine().SetLayout( Layout::Engine::MULTI_LINE_BOX );
 
+  // Enables the text input.
   mController->EnableTextInput( mDecorator );
 
+  // Enables the vertical scrolling after the text input has been enabled.
+  mController->SetVerticalScrollEnabled( true );
+
+  // Disables the horizontal scrolling.
+  mController->SetHorizontalScrollEnabled( false );
+
+  // Sets the maximum number of characters.
   mController->SetMaximumNumberOfCharacters( std::numeric_limits<Length>::max() );
 
+  // Enable the smooth handle panning.
+  mController->SetSmoothHandlePanEnabled( true );
+
   // Forward input events to controller
   EnableGestureDetection( static_cast<Gesture::Type>( Gesture::Tap | Gesture::Pan | Gesture::LongPress ) );
   GetTapGestureDetector().SetMaximumTapsRequired( 2 );
 
-  self.TouchedSignal().Connect( this, &TextEditor::OnTouched );
+  self.TouchSignal().Connect( this, &TextEditor::OnTouched );
 
   // Set BoundingBox to stage size if not already set.
   Rect<int> boundingBox;
@@ -789,8 +971,11 @@ void TextEditor::OnInitialize()
     mDecorator->SetBoundingBox( Rect<int>( 0.0f, 0.0f, stageSize.width, stageSize.height ) );
   }
 
-  // Flip vertically the 'left' selection handle
-  mDecorator->FlipHandleVertically( LEFT_SELECTION_HANDLE, true );
+  // Whether to flip the selection handles as soon as they cross.
+  mDecorator->FlipSelectionHandlesOnCrossEnabled( true );
+
+  // Set the default scroll speed.
+  mDecorator->SetScrollSpeed( DEFAULT_SCROLL_SPEED );
 
   // Fill-parent area by default
   self.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
@@ -815,13 +1000,7 @@ void TextEditor::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange:
 
     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
     {
-      DALI_LOG_INFO( gLogFilter, Debug::General, "TextEditor::OnStyleChange StyleChange::DEFAULT_FONT_SIZE_CHANGE (%f)\n", mController->GetDefaultPointSize() );
-
-      if ( (mController->GetDefaultPointSize() <= 0.0f) ) // If DefaultPointSize not set by Property system it will be 0.0f
-      {
-        // Property system did not set the PointSize so should update it.
-        // todo instruct text-controller to update model
-      }
+      GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
       break;
     }
     case StyleChange::THEME_CHANGE:
@@ -846,12 +1025,15 @@ void TextEditor::OnRelayout( const Vector2& size, RelayoutContainer& container )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 
-  if( mController->Relayout( size ) ||
+  const Text::Controller::UpdateTextType updateTextType = mController->Relayout( size );
+
+  if( ( Text::Controller::NONE_UPDATED != updateTextType ) ||
       !mRenderer )
   {
     DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get() );
 
-    if( mDecorator )
+    if( mDecorator &&
+        ( Text::Controller::NONE_UPDATED != ( Text::Controller::DECORATOR_UPDATED & updateTextType ) ) )
     {
       mDecorator->Relayout( size );
     }
@@ -861,33 +1043,54 @@ void TextEditor::OnRelayout( const Vector2& size, RelayoutContainer& container )
       mRenderer = Backend::Get().NewRenderer( mRenderingBackend );
     }
 
-    EnableClipping( true, size );
-    RenderText();
+    EnableClipping( size );
+    RenderText( updateTextType );
+  }
+
+  // The text-editor emits signals when the input style changes. These changes of style are
+  // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
+  // can't be emitted during the size negotiation as the callbacks may update the UI.
+  // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
+  if( !mController->IsInputStyleChangedSignalsQueueEmpty() )
+  {
+    if( Adaptor::IsAvailable() )
+    {
+      Adaptor& adaptor = Adaptor::Get();
+
+      if( NULL == mIdleCallback )
+      {
+        // @note: The callback manager takes the ownership of the callback object.
+        mIdleCallback = MakeCallback( this, &TextEditor::OnIdleSignal );
+        adaptor.AddIdle( mIdleCallback );
+      }
+    }
   }
 }
 
-void TextEditor::RenderText()
+void TextEditor::RenderText( Text::Controller::UpdateTextType updateTextType )
 {
   Actor self = Self();
   Actor renderableActor;
-  if( mRenderer )
-  {
-    renderableActor = mRenderer->Render( mController->GetView(), DepthIndex::TEXT );
-  }
 
-  if( renderableActor != mRenderableActor )
+  if( Text::Controller::NONE_UPDATED != ( Text::Controller::MODEL_UPDATED & updateTextType ) )
   {
-    UnparentAndReset( mRenderableActor );
-    mRenderableActor = renderableActor;
+    if( mRenderer )
+    {
+      renderableActor = mRenderer->Render( mController->GetView(), DepthIndex::TEXT );
+    }
+
+    if( renderableActor != mRenderableActor )
+    {
+      UnparentAndReset( mRenderableActor );
+      mRenderableActor = renderableActor;
+    }
   }
 
   if( mRenderableActor )
   {
-    // TODO: Scroll and alignment needs to be refactored.
-    const Vector2& alignmentOffset = mController->GetAlignmentOffset();
-    const Vector2& scrollOffset = mController->GetScrollPosition();
+    const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
 
-    mRenderableActor.SetPosition( scrollOffset.x, alignmentOffset.y + scrollOffset.y );
+    mRenderableActor.SetPosition( scrollOffset.x, scrollOffset.y );
 
     Actor clipRootActor;
     if( mClipper )
@@ -1033,21 +1236,6 @@ bool TextEditor::OnKeyEvent( const KeyEvent& event )
   return mController->KeyEvent( event );
 }
 
-void TextEditor::AddDecoration( Actor& actor, bool needsClipping )
-{
-  if( actor )
-  {
-    if( needsClipping )
-    {
-      mClippingDecorationActors.push_back( actor );
-    }
-    else
-    {
-      Self().Add( actor );
-    }
-  }
-}
-
 void TextEditor::RequestTextRelayout()
 {
   RelayoutRequest();
@@ -1064,11 +1252,80 @@ void TextEditor::MaxLengthReached()
   // Nothing to do as TextEditor doesn't emit a max length reached signal.
 }
 
+void TextEditor::InputStyleChanged( Text::InputStyle::Mask inputStyleMask )
+{
+  Dali::Toolkit::TextEditor handle( GetOwner() );
+
+  Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
+
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_COLOR ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_FONT_FAMILY ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_POINT_SIZE ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_FONT_WEIGHT ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_FONT_WIDTH ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_FONT_SLANT ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_LINE_SPACING ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_UNDERLINE ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_SHADOW ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_EMBOSS ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS );
+  }
+  if( InputStyle::NONE != static_cast<InputStyle::Mask>( inputStyleMask & InputStyle::INPUT_OUTLINE ) )
+  {
+    editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>( editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE );
+  }
+
+  mInputStyleChangedSignal.Emit( handle, editorInputStyleMask );
+}
+
+void TextEditor::AddDecoration( Actor& actor, bool needsClipping )
+{
+  if( actor )
+  {
+    if( needsClipping )
+    {
+      mClippingDecorationActors.push_back( actor );
+    }
+    else
+    {
+      Self().Add( actor );
+    }
+  }
+}
+
 void TextEditor::OnStageConnect( Dali::Actor actor )
 {
   if ( mHasBeenStaged )
   {
-    RenderText();
+    RenderText( static_cast<Text::Controller::UpdateTextType>( Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED ) );
   }
   else
   {
@@ -1097,31 +1354,23 @@ void TextEditor::GetHandleImagePropertyValue(  Property::Value& value, Text::Han
   }
 }
 
-void TextEditor::EnableClipping( bool clipping, const Vector2& size )
+void TextEditor::EnableClipping( const Vector2& size )
 {
-  if( clipping )
+  // Not worth to created clip actor if width or height is equal to zero.
+  if( size.width > Math::MACHINE_EPSILON_1000 && size.height > Math::MACHINE_EPSILON_1000 )
   {
-    // Not worth to created clip actor if width or height is equal to zero.
-    if( size.width > Math::MACHINE_EPSILON_1000 && size.height > Math::MACHINE_EPSILON_1000 )
+    if( !mClipper )
     {
-      if( !mClipper )
-      {
-        Actor self = Self();
+      Actor self = Self();
 
-        mClipper = Clipper::New( size );
-        self.Add( mClipper->GetRootActor() );
-        self.Add( mClipper->GetImageActor() );
-      }
-      else if ( mClipper )
-      {
-        mClipper->Refresh( size );
-      }
+      mClipper = Clipper::New( size );
+      self.Add( mClipper->GetRootActor() );
+      self.Add( mClipper->GetImageView() );
+    }
+    else if ( mClipper )
+    {
+      mClipper->Refresh( size );
     }
-  }
-  else
-  {
-    // Note - this will automatically remove the root & image actors
-    mClipper.Reset();
   }
 }
 
@@ -1150,19 +1399,29 @@ void TextEditor::OnStageConnection( int depth )
   // Call the Control::OnStageConnection() to set the depth of the background.
   Control::OnStageConnection( depth );
 
-  // Sets the depth to the renderers inside the text's decorator.
+  // Sets the depth to the visuals inside the text's decorator.
   mDecorator->SetTextDepth( depth );
 
   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
 }
 
-bool TextEditor::OnTouched( Actor actor, const TouchEvent& event )
+bool TextEditor::OnTouched( Actor actor, const TouchData& touch )
 {
   return true;
 }
 
+void TextEditor::OnIdleSignal()
+{
+  // Emits the change of input style signals.
+  mController->ProcessInputStyleChangedSignals();
+
+  // Set the pointer to null as the callback manager deletes the callback after execute it.
+  mIdleCallback = NULL;
+}
+
 TextEditor::TextEditor()
-: Control( ControlBehaviour( REQUIRES_STYLE_CHANGE_SIGNALS ) ),
+: Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ),
+  mIdleCallback( NULL ),
   mRenderingBackend( DEFAULT_RENDERING_BACKEND ),
   mHasBeenStaged( false )
 {
@@ -1171,6 +1430,12 @@ TextEditor::TextEditor()
 TextEditor::~TextEditor()
 {
   mClipper.Reset();
+
+  if( ( NULL != mIdleCallback ) && Adaptor::IsAvailable() )
+  {
+    // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
+    Adaptor::Get().RemoveIdle( mIdleCallback );
+  }
 }
 
 } // namespace Internal