Underline predictive text after updating the model.
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / text-controller-impl.cpp
index cef33eb..1484467 100644 (file)
 // INTERNAL INCLUDES
 #include <dali-toolkit/internal/text/bidirectional-support.h>
 #include <dali-toolkit/internal/text/character-set-conversion.h>
-#include <dali-toolkit/internal/text/layouts/layout-parameters.h>
 #include <dali-toolkit/internal/text/multi-language-support.h>
-#include <dali-toolkit/internal/text/script-run.h>
 #include <dali-toolkit/internal/text/segmentation.h>
 #include <dali-toolkit/internal/text/shaper.h>
-#include <dali-toolkit/internal/text/text-io.h>
-#include <dali-toolkit/internal/text/text-view.h>
 
 namespace
 {
@@ -81,8 +77,8 @@ namespace Text
  * @param[in] glyphIndex The index to the first glyph.
  * @param[in] numberOfGlyphs The number of glyphs.
  * @param[out] glyphMetrics Some glyph metrics (font height, advance, ascender and x bearing).
- * @param[in]
- * @param[in]
+ * @param[in] visualModel The visual model.
+ * @param[in] fontClient The font client.
  */
 void GetGlyphsMetrics( GlyphIndex glyphIndex,
                        Length numberOfGlyphs,
@@ -136,7 +132,8 @@ EventData::EventData( DecoratorPtr decorator )
   mUpdateLeftSelectionPosition( false ),
   mUpdateRightSelectionPosition( false ),
   mScrollAfterUpdatePosition( false ),
-  mScrollAfterDelete( false )
+  mScrollAfterDelete( false ),
+  mAllTextSelected( false )
 {}
 
 EventData::~EventData()
@@ -170,6 +167,11 @@ bool Controller::Impl::ProcessInputEvents()
           OnTapEvent( *iter );
           break;
         }
+        case Event::LONG_PRESS_EVENT:
+        {
+          OnLongPressEvent( *iter );
+          break;
+        }
         case Event::PAN_EVENT:
         {
           OnPanEvent( *iter );
@@ -237,6 +239,7 @@ bool Controller::Impl::ProcessInputEvents()
         leftScroll = true;
       }
 
+      SetPopupButtons();
       mEventData->mDecoratorUpdated = true;
       mEventData->mUpdateLeftSelectionPosition = false;
     }
@@ -253,6 +256,7 @@ bool Controller::Impl::ProcessInputEvents()
         rightScroll = true;
       }
 
+      SetPopupButtons();
       mEventData->mDecoratorUpdated = true;
       mEventData->mUpdateRightSelectionPosition = false;
     }
@@ -321,7 +325,6 @@ void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
     {
       // Retrieves the scripts used in the text.
       multilanguageSupport.SetScripts( utf32Characters,
-                                       lineBreakInfo,
                                        scripts );
     }
 
@@ -344,13 +347,12 @@ void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
 
   Vector<Character> mirroredUtf32Characters;
   bool textMirrored = false;
+  Length numberOfParagraphs = 0u;
   if( BIDI_INFO & operations )
   {
     // Count the number of LINE_NO_BREAK to reserve some space for the vector of paragraph's
     // bidirectional info.
 
-    Length numberOfParagraphs = 0u;
-
     const TextAbstraction::LineBreakInfo* lineBreakInfoBuffer = lineBreakInfo.Begin();
     for( Length index = 0u; index < numberOfCharacters; ++index )
     {
@@ -374,7 +376,9 @@ void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
       // This paragraph has right to left text. Some characters may need to be mirrored.
       // TODO: consider if the mirrored string can be stored as well.
 
-      textMirrored = GetMirroredText( utf32Characters, mirroredUtf32Characters );
+      textMirrored = GetMirroredText( utf32Characters,
+                                      mirroredUtf32Characters,
+                                      bidirectionalInfo );
 
       // Only set the character directions if there is right to left characters.
       Vector<CharacterDirection>& directions = mLogicalModel->mCharacterDirections;
@@ -388,12 +392,14 @@ void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
       // There is no right to left characters. Clear the directions vector.
       mLogicalModel->mCharacterDirections.Clear();
     }
-
-   }
+  }
 
   Vector<GlyphInfo>& glyphs = mVisualModel->mGlyphs;
   Vector<CharacterIndex>& glyphsToCharactersMap = mVisualModel->mGlyphsToCharacters;
   Vector<Length>& charactersPerGlyph = mVisualModel->mCharactersPerGlyph;
+  Vector<GlyphIndex> newParagraphGlyphs;
+  newParagraphGlyphs.Reserve( numberOfParagraphs );
+
   if( SHAPE_TEXT & operations )
   {
     const Vector<Character>& textToShape = textMirrored ? mirroredUtf32Characters : utf32Characters;
@@ -404,7 +410,8 @@ void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
                validFonts,
                glyphs,
                glyphsToCharactersMap,
-               charactersPerGlyph );
+               charactersPerGlyph,
+               newParagraphGlyphs );
 
     // Create the 'number of glyphs' per character and the glyph to character conversion tables.
     mVisualModel->CreateGlyphsPerCharacterTable( numberOfCharacters );
@@ -415,7 +422,40 @@ void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
 
   if( GET_GLYPH_METRICS & operations )
   {
-    mFontClient.GetGlyphMetrics( glyphs.Begin(), numberOfGlyphs );
+    GlyphInfo* glyphsBuffer = glyphs.Begin();
+    mFontClient.GetGlyphMetrics( glyphsBuffer, numberOfGlyphs );
+
+    // Update the width and advance of all new paragraph characters.
+    for( Vector<GlyphIndex>::ConstIterator it = newParagraphGlyphs.Begin(), endIt = newParagraphGlyphs.End(); it != endIt; ++it )
+    {
+      const GlyphIndex index = *it;
+      GlyphInfo& glyph = *( glyphsBuffer + index );
+
+      glyph.xBearing = 0.f;
+      glyph.width = 0.f;
+      glyph.advance = 0.f;
+    }
+  }
+
+  if( mEventData &&
+      mEventData->mPreEditFlag &&
+      ( 0u != mVisualModel->mCharactersToGlyph.Count() ) )
+  {
+    // Add the underline for the pre-edit text.
+    const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+    const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
+
+    const GlyphIndex glyphStart = *( charactersToGlyphBuffer + mEventData->mPreEditStartPosition );
+    const CharacterIndex lastPreEditCharacter = mEventData->mPreEditStartPosition + ( ( mEventData->mPreEditLength > 0u ) ? mEventData->mPreEditLength - 1u : 0u );
+    const Length numberOfGlyphsLastCharacter = *( glyphsPerCharacterBuffer + lastPreEditCharacter );
+    const GlyphIndex glyphEnd = *( charactersToGlyphBuffer + lastPreEditCharacter ) + ( numberOfGlyphsLastCharacter > 1u ? numberOfGlyphsLastCharacter - 1u : 0u );
+
+    GlyphRun underlineRun;
+    underlineRun.glyphIndex = glyphStart;
+    underlineRun.numberOfGlyphs = 1u + glyphEnd - glyphStart;
+
+    // TODO: At the moment the underline runs are only for pre-edit.
+    mVisualModel->mUnderlineRuns.PushBack( underlineRun );
   }
 }
 
@@ -433,6 +473,25 @@ void Controller::Impl::GetDefaultFonts( Vector<FontRun>& fonts, Length numberOfC
   }
 }
 
+float Controller::Impl::GetDefaultFontLineHeight()
+{
+  FontId defaultFontId = 0u;
+  if( NULL == mFontDefaults )
+  {
+    defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
+                                           EMPTY_STRING );
+  }
+  else
+  {
+    defaultFontId = mFontDefaults->GetFontId( mFontClient );
+  }
+
+  Text::FontMetrics fontMetrics;
+  mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
+
+  return( fontMetrics.ascender - fontMetrics.descender );
+}
+
 void Controller::Impl::OnCursorKeyEvent( const Event& event )
 {
   if( NULL == mEventData )
@@ -536,6 +595,15 @@ void Controller::Impl::OnPanEvent( const Event& event )
   }
 }
 
+void Controller::Impl::OnLongPressEvent( const Event& event )
+{
+  if  ( EventData::EDITING == mEventData->mState )
+  {
+    ChangeState ( EventData::EDITING_WITH_POPUP );
+    mEventData->mDecoratorUpdated = true;
+  }
+}
+
 void Controller::Impl::OnHandleEvent( const Event& event )
 {
   if( NULL == mEventData )
@@ -569,7 +637,8 @@ void Controller::Impl::OnHandleEvent( const Event& event )
     {
       ChangeState ( EventData::SELECTION_HANDLE_PANNING );
 
-      if( handleNewPosition != mEventData->mLeftSelectionPosition )
+      if( ( handleNewPosition != mEventData->mLeftSelectionPosition ) &&
+          ( handleNewPosition != mEventData->mRightSelectionPosition ) )
       {
         mEventData->mLeftSelectionPosition = handleNewPosition;
 
@@ -583,7 +652,8 @@ void Controller::Impl::OnHandleEvent( const Event& event )
     {
       ChangeState ( EventData::SELECTION_HANDLE_PANNING );
 
-      if( handleNewPosition != mEventData->mRightSelectionPosition )
+      if( ( handleNewPosition != mEventData->mRightSelectionPosition ) &&
+          ( handleNewPosition != mEventData->mLeftSelectionPosition ) )
       {
         mEventData->mRightSelectionPosition = handleNewPosition;
 
@@ -625,12 +695,13 @@ void Controller::Impl::OnHandleEvent( const Event& event )
 
       if( handleStopScrolling )
       {
-        mEventData->mUpdateLeftSelectionPosition = mEventData->mLeftSelectionPosition != handlePosition;
+        mEventData->mUpdateLeftSelectionPosition = ( mEventData->mRightSelectionPosition != handlePosition );
         mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateLeftSelectionPosition;
-        mEventData->mLeftSelectionPosition = handlePosition;
 
         if( mEventData->mUpdateLeftSelectionPosition )
         {
+          mEventData->mLeftSelectionPosition = handlePosition;
+
           RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
                                       mEventData->mRightSelectionPosition );
         }
@@ -642,12 +713,11 @@ void Controller::Impl::OnHandleEvent( const Event& event )
 
       if( handleStopScrolling )
       {
-        mEventData->mUpdateRightSelectionPosition = mEventData->mRightSelectionPosition != handlePosition;
+        mEventData->mUpdateRightSelectionPosition = ( mEventData->mLeftSelectionPosition != handlePosition );
         mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateRightSelectionPosition;
-        mEventData->mRightSelectionPosition = handlePosition;
-
         if( mEventData->mUpdateRightSelectionPosition )
         {
+          mEventData->mRightSelectionPosition = handlePosition;
           RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
                                       mEventData->mRightSelectionPosition );
         }
@@ -660,17 +730,44 @@ void Controller::Impl::OnHandleEvent( const Event& event )
   {
     const float xSpeed = event.p2.mFloat;
     const Vector2& actualSize = mVisualModel->GetActualSize();
+    const Vector2 currentScrollPosition = mEventData->mScrollPosition;
 
     mEventData->mScrollPosition.x += xSpeed;
 
     ClampHorizontalScroll( actualSize );
 
+    bool endOfScroll = false;
+    if( Vector2::ZERO == ( currentScrollPosition - mEventData->mScrollPosition ) )
+    {
+      // Notify the decorator there is no more text to scroll.
+      // The decorator won't send more scroll events.
+      mEventData->mDecorator->NotifyEndOfScroll();
+      // Still need to set the position of the handle.
+      endOfScroll = true;
+    }
+
+    // Set the position of the handle.
+    const bool scrollRightDirection = xSpeed > 0.f;
     const bool leftSelectionHandleEvent = Event::LEFT_SELECTION_HANDLE_EVENT == event.type;
     const bool rightSelectionHandleEvent = Event::RIGHT_SELECTION_HANDLE_EVENT == event.type;
 
     if( Event::GRAB_HANDLE_EVENT == event.type )
     {
       ChangeState( EventData::GRAB_HANDLE_PANNING );
+
+      Vector2 position = mEventData->mDecorator->GetPosition( GRAB_HANDLE );
+
+      // Position the grag handle close to either the left or right edge.
+      position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+
+      // Get the new handle position.
+      // The grab handle's position is in decorator coords. Need to transforms to text coords.
+      const CharacterIndex handlePosition = GetClosestCursorIndex( position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x,
+                                                                   position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y );
+
+      mEventData->mUpdateCursorPosition = mEventData->mPrimaryCursorPosition != handlePosition;
+      mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateCursorPosition;
+      mEventData->mPrimaryCursorPosition = handlePosition;
     }
     else if( leftSelectionHandleEvent || rightSelectionHandleEvent )
     {
@@ -679,7 +776,10 @@ void Controller::Impl::OnHandleEvent( const Event& event )
 
       ChangeState( EventData::SELECTION_HANDLE_PANNING );
 
-      const Vector2& position = mEventData->mDecorator->GetPosition( leftSelectionHandleEvent ? Text::LEFT_SELECTION_HANDLE : Text::RIGHT_SELECTION_HANDLE );
+      Vector2 position = mEventData->mDecorator->GetPosition( leftSelectionHandleEvent ? Text::LEFT_SELECTION_HANDLE : Text::RIGHT_SELECTION_HANDLE );
+
+      // Position the selection handle close to either the left or right edge.
+      position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
 
       // Get the new handle position.
       // The selection handle's position is in decorator coords. Need to transforms to text coords.
@@ -688,19 +788,29 @@ void Controller::Impl::OnHandleEvent( const Event& event )
 
       if( leftSelectionHandleEvent )
       {
-        mEventData->mUpdateLeftSelectionPosition = handlePosition != mEventData->mLeftSelectionPosition;
-        mEventData->mLeftSelectionPosition = handlePosition;
+        const bool differentHandles = ( mEventData->mLeftSelectionPosition != handlePosition ) && ( mEventData->mRightSelectionPosition != handlePosition );
+        mEventData->mUpdateLeftSelectionPosition = endOfScroll || differentHandles;
+        if( differentHandles )
+        {
+          mEventData->mLeftSelectionPosition = handlePosition;
+        }
       }
       else
       {
-        mEventData->mUpdateRightSelectionPosition = handlePosition != mEventData->mRightSelectionPosition;
-        mEventData->mRightSelectionPosition = handlePosition;
+        const bool differentHandles = ( mEventData->mRightSelectionPosition != handlePosition ) && ( mEventData->mLeftSelectionPosition != handlePosition );
+        mEventData->mUpdateRightSelectionPosition = endOfScroll || differentHandles;
+        if( differentHandles )
+        {
+          mEventData->mRightSelectionPosition = handlePosition;
+        }
       }
 
       if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition )
       {
         RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
                                     mEventData->mRightSelectionPosition );
+
+        mEventData->mScrollAfterUpdatePosition = true;
       }
     }
     mEventData->mDecoratorUpdated = true;
@@ -721,12 +831,17 @@ void Controller::Impl::OnSelectEvent( const Event& event )
     const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
     const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
 
+    const CharacterIndex leftPosition = mEventData->mLeftSelectionPosition;
+    const CharacterIndex rightPosition = mEventData->mRightSelectionPosition;
+
     RepositionSelectionHandles( xPosition,
                                 yPosition );
 
-    mEventData->mScrollAfterUpdatePosition = true;
-    mEventData->mUpdateLeftSelectionPosition = true;
-    mEventData->mUpdateRightSelectionPosition = true;
+    mEventData->mUpdateLeftSelectionPosition = leftPosition != mEventData->mLeftSelectionPosition;
+    mEventData->mUpdateRightSelectionPosition = rightPosition != mEventData->mRightSelectionPosition;
+
+    mEventData->mScrollAfterUpdatePosition = ( ( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition ) &&
+                                               ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition ) );
   }
 }
 
@@ -749,7 +864,7 @@ void Controller::Impl::OnSelectAllEvent()
   }
 }
 
-void Controller::Impl::RetreiveSelection( std::string& selectedText, bool deleteAfterRetreival )
+void Controller::Impl::RetrieveSelection( std::string& selectedText, bool deleteAfterRetreival )
 {
   if( mEventData->mLeftSelectionPosition ==  mEventData->mRightSelectionPosition )
   {
@@ -785,6 +900,22 @@ void Controller::Impl::RetreiveSelection( std::string& selectedText, bool delete
   }
 }
 
+void Controller::Impl::ShowClipboard()
+{
+  if ( mClipboard )
+  {
+    mClipboard.ShowClipboard();
+  }
+}
+
+void Controller::Impl::HideClipboard()
+{
+  if ( mClipboard )
+  {
+    mClipboard.HideClipboard();
+  }
+}
+
 bool Controller::Impl::CopyStringToClipboard( std::string& source )
 {
   //Send string to clipboard
@@ -794,14 +925,17 @@ bool Controller::Impl::CopyStringToClipboard( std::string& source )
 void Controller::Impl::SendSelectionToClipboard( bool deleteAfterSending )
 {
   std::string selectedText;
-  RetreiveSelection( selectedText, deleteAfterSending );
+  RetrieveSelection( selectedText, deleteAfterSending );
   CopyStringToClipboard( selectedText );
   ChangeState( EventData::EDITING );
 }
 
-void Controller::Impl::PasteTextFromClipboard()
+void Controller::Impl::GetTextFromClipboard( unsigned int itemIndex, std::string& retreivedString )
 {
-  // Not supported
+  if ( mClipboard )
+  {
+    retreivedString =  mClipboard.GetItem( itemIndex );
+  }
 }
 
 void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart, CharacterIndex selectionEnd )
@@ -821,34 +955,108 @@ void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart
   const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
   const GlyphInfo* const glyphsBuffer = mVisualModel->mGlyphs.Begin();
   const Vector2* const positionsBuffer = mVisualModel->mGlyphPositions.Begin();
+  const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+  const CharacterIndex* const glyphToCharacterBuffer = mVisualModel->mGlyphsToCharacters.Begin();
+  const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mLogicalModel->mCharacterDirections.Count() ) ? mLogicalModel->mCharacterDirections.Begin() : NULL;
 
   // TODO: Better algorithm to create the highlight box.
   // TODO: Multi-line.
 
+  // Get the height of the line.
   const Vector<LineRun>& lines = mVisualModel->mLines;
   const LineRun& firstLine = *lines.Begin();
   const float height = firstLine.ascender + -firstLine.descender;
 
+  // Swap the indices if the start is greater than the end.
   const bool indicesSwapped = ( selectionStart > selectionEnd );
   if( indicesSwapped )
   {
     std::swap( selectionStart, selectionEnd );
   }
 
-  GlyphIndex glyphStart = *( charactersToGlyphBuffer + selectionStart );
-  GlyphIndex glyphEnd = *( charactersToGlyphBuffer + ( selectionEnd - 1u ) ) + *( glyphsPerCharacterBuffer + ( selectionEnd - 1u ) ) - 1u;
+  // Get the indices to the first and last selected glyphs.
+  const CharacterIndex selectionEndMinusOne = selectionEnd - 1u;
+  const GlyphIndex glyphStart = *( charactersToGlyphBuffer + selectionStart );
+  const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + selectionEndMinusOne );
+  const GlyphIndex glyphEnd = *( charactersToGlyphBuffer + selectionEndMinusOne ) + ( ( numberOfGlyphs > 0 ) ? numberOfGlyphs - 1u : 0u );
+
+  // Check if the first glyph is a ligature that must be broken like Latin ff, fi, or Arabic ﻻ, etc which needs special code.
+  const Length numberOfCharactersStart = *( charactersPerGlyphBuffer + glyphStart );
+  bool splitStartGlyph = ( numberOfCharactersStart > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionStart ) );
 
+  // Check if the last glyph is a ligature that must be broken like Latin ff, fi, or Arabic ﻻ, etc which needs special code.
+  const Length numberOfCharactersEnd = *( charactersPerGlyphBuffer + glyphEnd );
+  bool splitEndGlyph = ( glyphStart != glyphEnd ) && ( numberOfCharactersEnd > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionEndMinusOne ) );
+
+  // Tell the decorator to swap the selection handles if needed.
   mEventData->mDecorator->SwapSelectionHandlesEnabled( firstLine.direction != indicesSwapped );
 
   const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
 
+  // Traverse the glyphs.
   for( GlyphIndex index = glyphStart; index <= glyphEnd; ++index )
   {
     const GlyphInfo& glyph = *( glyphsBuffer + index );
     const Vector2& position = *( positionsBuffer + index );
 
+    if( splitStartGlyph )
+    {
+      // If the first glyph is a ligature that must be broken it may be needed to add only part of the glyph to the highlight box.
+
+      const float glyphAdvance = glyph.advance / static_cast<float>( numberOfCharactersStart );
+      const CharacterIndex interGlyphIndex = selectionStart - *( glyphToCharacterBuffer + glyphStart );
+      // Get the direction of the character.
+      CharacterDirection isCurrentRightToLeft = false;
+      if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
+      {
+        isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + selectionStart );
+      }
+
+      // The end point could be in the middle of the ligature.
+      // Calculate the number of characters selected.
+      const Length numberOfCharacters = ( glyphStart == glyphEnd ) ? ( selectionEnd - selectionStart ) : ( numberOfCharactersStart - interGlyphIndex );
+
+      const float xPosition = position.x - glyph.xBearing + offset.x + glyphAdvance * static_cast<float>( isCurrentRightToLeft ? ( numberOfCharactersStart - interGlyphIndex - numberOfCharacters ) : interGlyphIndex );
+
+      mEventData->mDecorator->AddHighlight( xPosition,
+                                            offset.y,
+                                            xPosition + static_cast<float>( numberOfCharacters ) * glyphAdvance,
+                                            offset.y + height );
+
+      splitStartGlyph = false;
+      continue;
+    }
+
+    if( splitEndGlyph && ( index == glyphEnd ) )
+    {
+      // Equally, if the last glyph is a ligature that must be broken it may be needed to add only part of the glyph to the highlight box.
+
+      const float glyphAdvance = glyph.advance / static_cast<float>( numberOfCharactersEnd );
+      const CharacterIndex interGlyphIndex = selectionEnd - *( glyphToCharacterBuffer + glyphEnd );
+      // Get the direction of the character.
+      CharacterDirection isCurrentRightToLeft = false;
+      if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
+      {
+        isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + selectionEnd );
+      }
+
+      const Length numberOfCharacters = numberOfCharactersEnd - interGlyphIndex;
+
+      const float xPosition = position.x - glyph.xBearing + offset.x + ( isCurrentRightToLeft ? ( glyphAdvance * static_cast<float>( numberOfCharacters ) ) : 0.f );
+      mEventData->mDecorator->AddHighlight( xPosition,
+                                            offset.y,
+                                            xPosition + static_cast<float>( interGlyphIndex ) * glyphAdvance,
+                                            offset.y + height );
+
+      splitEndGlyph = false;
+      continue;
+    }
+
     const float xPosition = position.x - glyph.xBearing + offset.x;
-    mEventData->mDecorator->AddHighlight( xPosition, offset.y, xPosition + glyph.advance, height );
+    mEventData->mDecorator->AddHighlight( xPosition,
+                                          offset.y,
+                                          xPosition + glyph.advance,
+                                          offset.y + height );
   }
 
   CursorInfo primaryCursorInfo;
@@ -866,6 +1074,9 @@ void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart
 
   mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE, secondaryPosition.x, secondaryPosition.y, secondaryCursorInfo.lineHeight );
 
+  // Cursor to be positioned at end of selection so if selection interrupted and edit mode restarted the cursor will be at end of selection
+  mEventData->mPrimaryCursorPosition = (indicesSwapped)?mEventData->mLeftSelectionPosition:mEventData->mRightSelectionPosition;
+
   // Set the flag to update the decorator.
   mEventData->mDecoratorUpdated = true;
 }
@@ -909,6 +1120,50 @@ void Controller::Impl::RepositionSelectionHandles( float visualX, float visualY
   RepositionSelectionHandles( selectionStart, selectionEnd );
 }
 
+void Controller::Impl::SetPopupButtons()
+{
+  /**
+   *  Sets the Popup buttons to be shown depending on State.
+   *
+   *  If SELECTING :  CUT & COPY + ( PASTE & CLIPBOARD if content available to paste )
+   *
+   *  If EDITING_WITH_POPUP : SELECT & SELECT_ALL
+   */
+
+  TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::NONE;
+
+  if ( ( EventData::SELECTING == mEventData->mState ) || ( EventData::SELECTION_CHANGED == mEventData->mState ) )
+  {
+    buttonsToShow = TextSelectionPopup::Buttons(  TextSelectionPopup::CUT | TextSelectionPopup::COPY );
+
+    if ( !IsClipboardEmpty() )
+    {
+      buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
+      buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) );
+    }
+
+    if ( !mEventData->mAllTextSelected )
+    {
+      buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::SELECT_ALL ) );
+    }
+  }
+  else if  ( EventData::EDITING_WITH_POPUP == mEventData->mState )
+  {
+    if ( mLogicalModel->mText.Count() && !IsShowingPlaceholderText())
+    {
+      buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::SELECT | TextSelectionPopup::SELECT_ALL );
+    }
+
+    if ( !IsClipboardEmpty() )
+    {
+      buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
+      buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) );
+    }
+  }
+
+  mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
+}
+
 void Controller::Impl::ChangeState( EventData::State newState )
 {
   if( NULL == mEventData )
@@ -930,6 +1185,16 @@ void Controller::Impl::ChangeState( EventData::State newState )
       mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
       mEventData->mDecorator->SetPopupActive( false );
       mEventData->mDecoratorUpdated = true;
+      HideClipboard();
+    }
+    else if ( EventData::INTERRUPTED  == mEventData->mState)
+    {
+      mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+      mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+      mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+      mEventData->mDecorator->SetPopupActive( false );
+      mEventData->mDecoratorUpdated = true;
+      HideClipboard();
     }
     else if ( EventData::SELECTING == mEventData->mState )
     {
@@ -940,13 +1205,7 @@ void Controller::Impl::ChangeState( EventData::State newState )
       mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
       if( mEventData->mGrabHandlePopupEnabled )
       {
-        TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons(  TextSelectionPopup::CUT | TextSelectionPopup::COPY );
-        if ( !IsClipboardEmpty() )
-        {
-          buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
-        }
-
-        mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
+        SetPopupButtons();
         mEventData->mDecorator->SetPopupActive( true );
       }
       mEventData->mDecoratorUpdated = true;
@@ -955,13 +1214,8 @@ void Controller::Impl::ChangeState( EventData::State newState )
     {
       if( mEventData->mGrabHandlePopupEnabled )
       {
-        TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons(  TextSelectionPopup::CUT | TextSelectionPopup::COPY );
-        if (  !IsClipboardEmpty() )
-        {
-          buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
-        }
+        SetPopupButtons();
         mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
-        mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
         mEventData->mDecorator->SetPopupActive( true );
       }
       mEventData->mDecoratorUpdated = true;
@@ -982,6 +1236,7 @@ void Controller::Impl::ChangeState( EventData::State newState )
         mEventData->mDecorator->SetPopupActive( false );
       }
       mEventData->mDecoratorUpdated = true;
+      HideClipboard();
     }
     else if( EventData::EDITING_WITH_POPUP == mEventData->mState )
     {
@@ -1001,18 +1256,30 @@ void Controller::Impl::ChangeState( EventData::State newState )
       }
       if( mEventData->mGrabHandlePopupEnabled )
       {
-        TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::SELECT | TextSelectionPopup::SELECT_ALL );
-
-        if ( !IsClipboardEmpty() )
-        {
-          buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
-        }
-
-        mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
+        SetPopupButtons();
         mEventData->mDecorator->SetPopupActive( true );
       }
+      HideClipboard();
       mEventData->mDecoratorUpdated = true;
     }
+    else if( EventData::EDITING_WITH_GRAB_HANDLE == mEventData->mState )
+    {
+      mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+      if( mEventData->mCursorBlinkEnabled )
+      {
+        mEventData->mDecorator->StartCursorBlink();
+      }
+      // Grab handle is not shown until a tap is received whilst EDITING
+      mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+      mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+      mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+      if( mEventData->mGrabHandlePopupEnabled )
+      {
+        mEventData->mDecorator->SetPopupActive( false );
+      }
+      mEventData->mDecoratorUpdated = true;
+      HideClipboard();
+    }
     else if ( EventData::SELECTION_HANDLE_PANNING == mEventData->mState )
     {
       mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
@@ -1142,6 +1409,7 @@ CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
 
   // Get the glyphs per character table.
   const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
+  const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
 
   // If the vector is void, there is no right to left characters.
   const bool hasRightToLeftCharacters = NULL != visualToLogicalBuffer;
@@ -1160,9 +1428,11 @@ CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
     // The character in logical order.
     const CharacterIndex characterLogicalOrderIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + visualIndex ) : visualIndex;
 
+    // Get the script of the character.
+    const Script script = mLogicalModel->GetScript( characterLogicalOrderIndex );
+
     // The first glyph for that character in logical order.
     const GlyphIndex glyphLogicalOrderIndex = *( charactersToGlyphBuffer + characterLogicalOrderIndex );
-
     // The number of glyphs for that character
     const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + characterLogicalOrderIndex );
 
@@ -1176,12 +1446,25 @@ CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
 
     const Vector2& position = *( positionsBuffer + glyphLogicalOrderIndex );
 
-    // Find the mid-point of the area containing the glyph
-    const float glyphCenter = -glyphMetrics.xBearing + position.x + 0.5f * glyphMetrics.advance;
+    // Prevents to jump the whole Latin ligatures like fi, ff, or Arabic ﻻ...
+    const Length numberOfCharactersInLigature = HasLigatureMustBreak( script ) ? *( charactersPerGlyphBuffer + glyphLogicalOrderIndex ) : 1u;
+    const float glyphAdvance = glyphMetrics.advance / static_cast<float>( numberOfCharactersInLigature );
+
+    for( GlyphIndex index = 0u; !matched && ( index < numberOfCharactersInLigature ); ++index )
+    {
+      // Find the mid-point of the area containing the glyph
+      const float glyphCenter = -glyphMetrics.xBearing + position.x + ( static_cast<float>( index ) + 0.5f ) * glyphAdvance;
+
+      if( visualX < glyphCenter )
+      {
+        visualIndex += index;
+        matched = true;
+        break;
+      }
+    }
 
-    if( visualX < glyphCenter )
+    if( matched )
     {
-      matched = true;
       break;
     }
   }
@@ -1195,6 +1478,7 @@ CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
 
   logicalIndex = hasRightToLeftCharacters ? *( visualToLogicalCursorBuffer + visualIndex ) : visualIndex;
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%p closest visualIndex %d logicalIndex %d\n", this, visualIndex, logicalIndex );
+
   return logicalIndex;
 }
 
@@ -1209,56 +1493,37 @@ void Controller::Impl::GetCursorPosition( CharacterIndex logical,
 
   if( isFirstPosition && isLastPosition )
   {
-    // There is zero characters. Get the default font.
-
-    FontId defaultFontId = 0u;
-    if( NULL == mFontDefaults )
-    {
-      defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
-                                             EMPTY_STRING );
-    }
-    else
-    {
-      defaultFontId = mFontDefaults->GetFontId( mFontClient );
-    }
-
-    Text::FontMetrics fontMetrics;
-    mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
-
-    cursorInfo.lineHeight = fontMetrics.ascender - fontMetrics.descender;
+    // There is zero characters. Get the default font's line height.
+    cursorInfo.lineHeight = GetDefaultFontLineHeight();
     cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
 
-    cursorInfo.primaryPosition.x = 0.f;
+    cursorInfo.primaryPosition.x = mEventData->mDecorator->GetCursorWidth();
     cursorInfo.primaryPosition.y = 0.f;
 
     // Nothing else to do.
     return;
   }
 
-  // Get the previous logical index.
-  const CharacterIndex previousLogical = isFirstPosition ? 0u : logical - 1u;
+  // 'logical' is the logical 'cursor' index.
+  // Get the next and current logical 'character' index.
+  const CharacterIndex nextCharacterIndex = logical;
+  const CharacterIndex characterIndex = isFirstPosition ? logical : logical - 1u;
 
-  // Decrease the logical index if it's the last one.
-  if( isLastPosition )
-  {
-    --logical;
-  }
-
-  // Get the direction of the character and the previous one.
+  // Get the direction of the character and the next one.
   const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mLogicalModel->mCharacterDirections.Count() ) ? mLogicalModel->mCharacterDirections.Begin() : NULL;
 
   CharacterDirection isCurrentRightToLeft = false;
-  CharacterDirection isPreviousRightToLeft = false;
+  CharacterDirection isNextRightToLeft = false;
   if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
   {
-    isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + logical );
-    isPreviousRightToLeft = *( modelCharacterDirectionsBuffer + previousLogical );
+    isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + characterIndex );
+    isNextRightToLeft = *( modelCharacterDirectionsBuffer + nextCharacterIndex );
   }
 
   // Get the line where the character is laid-out.
-  const LineRun* modelLines = mVisualModel->mLines.Begin();
+  const LineRun* const modelLines = mVisualModel->mLines.Begin();
 
-  const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( logical );
+  const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( characterIndex );
   const LineRun& line = *( modelLines + lineIndex );
 
   // Get the paragraph's direction.
@@ -1266,123 +1531,149 @@ void Controller::Impl::GetCursorPosition( CharacterIndex logical,
 
   // Check whether there is an alternative position:
 
-  cursorInfo.isSecondaryCursor = ( isCurrentRightToLeft != isPreviousRightToLeft ) ||
-    ( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) );
+  cursorInfo.isSecondaryCursor = ( !isLastPosition && ( isCurrentRightToLeft != isNextRightToLeft ) ) ||
+                                 ( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) );
 
   // Set the line height.
   cursorInfo.lineHeight = line.ascender + -line.descender;
 
-  // Convert the cursor position into the glyph position.
-  CharacterIndex characterIndex = logical;
-  if( cursorInfo.isSecondaryCursor &&
-      ( isRightToLeftParagraph != isCurrentRightToLeft ) )
+  // Calculate the primary cursor.
+
+  CharacterIndex index = characterIndex;
+  if( cursorInfo.isSecondaryCursor )
   {
-    characterIndex = previousLogical;
+    // If there is a secondary position, the primary cursor may be in a different place than the logical index.
+
+    if( isLastPosition )
+    {
+      // The position of the cursor after the last character needs special
+      // care depending on its direction and the direction of the paragraph.
+
+      // Need to find the first character after the last character with the paragraph's direction.
+      // i.e l0 l1 l2 r0 r1 should find r0.
+
+      // TODO: check for more than one line!
+      index = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u;
+      index = mLogicalModel->GetLogicalCharacterIndex( index );
+    }
+    else
+    {
+      index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? characterIndex : nextCharacterIndex;
+    }
   }
 
-  const GlyphIndex currentGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + characterIndex );
-  const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + characterIndex );
-  const Length numberOfCharacters = *( mVisualModel->mCharactersPerGlyph.Begin() +currentGlyphIndex );
+  const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+  const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
+  const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+  const CharacterIndex* const glyphsToCharactersBuffer = mVisualModel->mGlyphsToCharacters.Begin();
+  const Vector2* const glyphPositionsBuffer = mVisualModel->mGlyphPositions.Begin();
+
+  // Convert the cursor position into the glyph position.
+  const GlyphIndex primaryGlyphIndex = *( charactersToGlyphBuffer + index );
+  const Length primaryNumberOfGlyphs = *( glyphsPerCharacterBuffer + index );
+  const Length primaryNumberOfCharacters = *( charactersPerGlyphBuffer + primaryGlyphIndex );
 
   // Get the metrics for the group of glyphs.
   GlyphMetrics glyphMetrics;
-  GetGlyphsMetrics( currentGlyphIndex,
-                    numberOfGlyphs,
+  GetGlyphsMetrics( primaryGlyphIndex,
+                    primaryNumberOfGlyphs,
                     glyphMetrics,
                     mVisualModel,
                     mFontClient );
 
-  float interGlyphAdvance = 0.f;
+  // Whether to add the glyph's advance to the cursor position.
+  // i.e if the paragraph is left to right and the logical cursor is zero, the position is the position of the first glyph and the advance is not added,
+  //     if the logical cursor is one, the position is the position of the first glyph and the advance is added.
+  // A 'truth table' was build and an online Karnaugh map tool was used to simplify the logic.
+  //
+  // FLCP A
+  // ------
+  // 0000 1
+  // 0001 1
+  // 0010 0
+  // 0011 0
+  // 0100 1
+  // 0101 0
+  // 0110 1
+  // 0111 0
+  // 1000 0
+  // 1001 x
+  // 1010 x
+  // 1011 1
+  // 1100 x
+  // 1101 x
+  // 1110 x
+  // 1111 x
+  //
+  // Where F -> isFirstPosition
+  //       L -> isLastPosition
+  //       C -> isCurrentRightToLeft
+  //       P -> isRightToLeftParagraph
+  //       A -> Whether to add the glyph's advance.
+
+  const bool addGlyphAdvance = ( ( isLastPosition && !isRightToLeftParagraph ) ||
+                                 ( isFirstPosition && isRightToLeftParagraph ) ||
+                                 ( !isFirstPosition && !isLastPosition && !isCurrentRightToLeft ) );
+
+  float glyphAdvance = addGlyphAdvance ? glyphMetrics.advance : 0.f;
+
   if( !isLastPosition &&
-      ( numberOfCharacters > 1u ) )
+      ( primaryNumberOfCharacters > 1u ) )
   {
-    const CharacterIndex firstIndex = *( mVisualModel->mGlyphsToCharacters.Begin() + currentGlyphIndex );
-    interGlyphAdvance = static_cast<float>( characterIndex - firstIndex ) * glyphMetrics.advance / static_cast<float>( numberOfCharacters );
-  }
-
-  // Get the glyph position and x bearing.
-  const Vector2& currentPosition = *( mVisualModel->mGlyphPositions.Begin() + currentGlyphIndex );
-
-  // Set the cursor's height.
-  cursorInfo.primaryCursorHeight = glyphMetrics.fontHeight;
+    const CharacterIndex firstIndex = *( glyphsToCharactersBuffer + primaryGlyphIndex );
 
-  // Set the position.
-  cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + currentPosition.x + ( isCurrentRightToLeft ? glyphMetrics.advance : interGlyphAdvance );
-  cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
-
-  if( isLastPosition )
-  {
-    // The position of the cursor after the last character needs special
-    // care depending on its direction and the direction of the paragraph.
+    bool isCurrentRightToLeft = false;
+    if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
+    {
+      isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + index );
+    }
 
-    if( cursorInfo.isSecondaryCursor )
+    Length numberOfGlyphAdvance = ( isFirstPosition ? 0u : 1u ) + characterIndex - firstIndex;
+    if( isCurrentRightToLeft )
     {
-      // Need to find the first character after the last character with the paragraph's direction.
-      // i.e l0 l1 l2 r0 r1 should find r0.
+      numberOfGlyphAdvance = primaryNumberOfCharacters - numberOfGlyphAdvance;
+    }
 
-      // TODO: check for more than one line!
-      characterIndex = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u;
-      characterIndex = mLogicalModel->GetLogicalCharacterIndex( characterIndex );
+    glyphAdvance = static_cast<float>( numberOfGlyphAdvance ) * glyphMetrics.advance / static_cast<float>( primaryNumberOfCharacters );
+  }
 
-      const GlyphIndex glyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + characterIndex );
-      const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + characterIndex );
+  // Get the glyph position and x bearing.
+  const Vector2& primaryPosition = *( glyphPositionsBuffer + primaryGlyphIndex );
 
-      const Vector2& position = *( mVisualModel->mGlyphPositions.Begin() + glyphIndex );
+  // Set the primary cursor's height.
+  cursorInfo.primaryCursorHeight = cursorInfo.isSecondaryCursor ? 0.5f * glyphMetrics.fontHeight : glyphMetrics.fontHeight;
 
-      // Get the metrics for the group of glyphs.
-      GlyphMetrics glyphMetrics;
-      GetGlyphsMetrics( glyphIndex,
-                        numberOfGlyphs,
-                        glyphMetrics,
-                        mVisualModel,
-                        mFontClient );
+  // Set the primary cursor's position.
+  cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + primaryPosition.x + glyphAdvance;
+  cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
 
-      cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + position.x + ( isRightToLeftParagraph ? 0.f : glyphMetrics.advance );
+  // Calculate the secondary cursor.
 
-      cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
-    }
-    else
+  if( cursorInfo.isSecondaryCursor )
+  {
+    // Set the secondary cursor's height.
+    cursorInfo.secondaryCursorHeight = 0.5f * glyphMetrics.fontHeight;
+
+    CharacterIndex index = characterIndex;
+    if( !isLastPosition )
     {
-      if( !isCurrentRightToLeft )
-      {
-        cursorInfo.primaryPosition.x += glyphMetrics.advance;
-      }
-      else
-      {
-        cursorInfo.primaryPosition.x -= glyphMetrics.advance;
-      }
+      index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? nextCharacterIndex : characterIndex;
     }
-  }
 
-  // Set the alternative cursor position.
-  if( cursorInfo.isSecondaryCursor )
-  {
-    // Convert the cursor position into the glyph position.
-    const CharacterIndex previousCharacterIndex = ( ( isRightToLeftParagraph != isCurrentRightToLeft ) ? logical : previousLogical );
-    const GlyphIndex previousGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + previousCharacterIndex );
-    const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + previousCharacterIndex );
+    const GlyphIndex secondaryGlyphIndex = *( charactersToGlyphBuffer + index );
+    const Length secondaryNumberOfGlyphs = *( glyphsPerCharacterBuffer + index );
 
-    // Get the glyph position.
-    const Vector2& previousPosition = *( mVisualModel->mGlyphPositions.Begin() + previousGlyphIndex );
+    const Vector2& secondaryPosition = *( glyphPositionsBuffer + secondaryGlyphIndex );
 
-    // Get the metrics for the group of glyphs.
-    GlyphMetrics glyphMetrics;
-    GetGlyphsMetrics( previousGlyphIndex,
-                      numberOfGlyphs,
+    GetGlyphsMetrics( secondaryGlyphIndex,
+                      secondaryNumberOfGlyphs,
                       glyphMetrics,
                       mVisualModel,
                       mFontClient );
 
-    // Set the cursor position and height.
-    cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + previousPosition.x + ( ( ( isLastPosition && !isCurrentRightToLeft ) ||
-                                                                                       ( !isLastPosition && isCurrentRightToLeft )    ) ? glyphMetrics.advance : 0.f );
-
-    cursorInfo.secondaryCursorHeight = 0.5f * glyphMetrics.fontHeight;
-
+    // Set the secondary cursor's position.
+    cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + secondaryPosition.x + ( isCurrentRightToLeft ? 0.f : glyphMetrics.advance );
     cursorInfo.secondaryPosition.y = cursorInfo.lineHeight - cursorInfo.secondaryCursorHeight - line.descender - ( glyphMetrics.fontHeight - glyphMetrics.ascender );
-
-    // Update the primary cursor height as well.
-    cursorInfo.primaryCursorHeight *= 0.5f;
   }
 }
 
@@ -1396,25 +1687,27 @@ CharacterIndex Controller::Impl::CalculateNewCursorIndex( CharacterIndex index )
 
   CharacterIndex cursorIndex = mEventData->mPrimaryCursorPosition;
 
-  const Script script = mLogicalModel->GetScript( index );
-  const GlyphIndex* charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
-  const Length* charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+  const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+  const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+
+  GlyphIndex glyphIndex = *( charactersToGlyphBuffer + index );
+  Length numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
 
-  Length numberOfCharacters = 0u;
-  if( TextAbstraction::LATIN == script )
+  if( numberOfCharacters > 1u )
   {
-    // Prevents to jump the whole Latin ligatures like fi, ff, ...
-    numberOfCharacters = 1u;
+    const Script script = mLogicalModel->GetScript( index );
+    if( HasLigatureMustBreak( script ) )
+    {
+      // Prevents to jump the whole Latin ligatures like fi, ff, or Arabic ﻻ,  ...
+      numberOfCharacters = 1u;
+    }
   }
   else
   {
-    GlyphIndex glyphIndex = *( charactersToGlyphBuffer + index );
-    numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
-
     while( 0u == numberOfCharacters )
     {
-      numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
       ++glyphIndex;
+      numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
     }
   }
 
@@ -1440,7 +1733,7 @@ void Controller::Impl::UpdateCursorPosition()
     return;
   }
 
-  if( IsShowingPlaceholderText() )
+  if( IsShowingPlaceholderText() || ( 0u == mLogicalModel->mText.Count() ) )
   {
     // Do not want to use the place-holder text to set the cursor position.
 
@@ -1473,17 +1766,17 @@ void Controller::Impl::UpdateCursorPosition()
     {
       case LayoutEngine::HORIZONTAL_ALIGN_BEGIN:
       {
-        cursorPosition.x = 1.f;
+        cursorPosition.x = mEventData->mDecorator->GetCursorWidth();
         break;
       }
       case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
       {
-        cursorPosition.x = floor( 0.5f * mControlSize.width );
+        cursorPosition.x = floor( 0.5f * mVisualModel->mControlSize.width );
         break;
       }
       case LayoutEngine::HORIZONTAL_ALIGN_END:
       {
-        cursorPosition.x = mControlSize.width;
+        cursorPosition.x = mVisualModel->mControlSize.width;
         break;
       }
     }
@@ -1497,12 +1790,12 @@ void Controller::Impl::UpdateCursorPosition()
       }
       case LayoutEngine::VERTICAL_ALIGN_CENTER:
       {
-        cursorPosition.y = floorf( 0.5f * ( mControlSize.height - lineHeight ) );
+        cursorPosition.y = floorf( 0.5f * ( mVisualModel->mControlSize.height - lineHeight ) );
         break;
       }
       case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
       {
-        cursorPosition.y = mControlSize.height - lineHeight;
+        cursorPosition.y = mVisualModel->mControlSize.height - lineHeight;
         break;
       }
     }
@@ -1577,14 +1870,19 @@ void Controller::Impl::UpdateSelectionHandle( HandleType handleType )
                                        cursorPosition.x,
                                        cursorPosition.y,
                                        cursorInfo.lineHeight );
+
+  // If selection handle at start of the text and other at end of the text then all text is selected.
+  const CharacterIndex startOfSelection = std::min( mEventData->mLeftSelectionPosition, mEventData->mRightSelectionPosition );
+  const CharacterIndex endOfSelection = std::max ( mEventData->mLeftSelectionPosition, mEventData->mRightSelectionPosition );
+  mEventData->mAllTextSelected = ( startOfSelection == 0 ) && ( endOfSelection == mLogicalModel->mText.Count() );
 }
 
 void Controller::Impl::ClampHorizontalScroll( const Vector2& actualSize )
 {
   // Clamp between -space & 0 (and the text alignment).
-  if( actualSize.width > mControlSize.width )
+  if( actualSize.width > mVisualModel->mControlSize.width )
   {
-    const float space = ( actualSize.width - mControlSize.width ) + mAlignmentOffset.x;
+    const float space = ( actualSize.width - mVisualModel->mControlSize.width ) + mAlignmentOffset.x;
     mEventData->mScrollPosition.x = ( mEventData->mScrollPosition.x < -space ) ? -space : mEventData->mScrollPosition.x;
     mEventData->mScrollPosition.x = ( mEventData->mScrollPosition.x > -mAlignmentOffset.x ) ? -mAlignmentOffset.x : mEventData->mScrollPosition.x;
 
@@ -1599,9 +1897,9 @@ void Controller::Impl::ClampHorizontalScroll( const Vector2& actualSize )
 void Controller::Impl::ClampVerticalScroll( const Vector2& actualSize )
 {
   // Clamp between -space & 0 (and the text alignment).
-  if( actualSize.height > mControlSize.height )
+  if( actualSize.height > mVisualModel->mControlSize.height )
   {
-    const float space = ( actualSize.height - mControlSize.height ) + mAlignmentOffset.y;
+    const float space = ( actualSize.height - mVisualModel->mControlSize.height ) + mAlignmentOffset.y;
     mEventData->mScrollPosition.y = ( mEventData->mScrollPosition.y < -space ) ? -space : mEventData->mScrollPosition.y;
     mEventData->mScrollPosition.y = ( mEventData->mScrollPosition.y > -mAlignmentOffset.y ) ? -mAlignmentOffset.y : mEventData->mScrollPosition.y;
 
@@ -1623,9 +1921,9 @@ void Controller::Impl::ScrollToMakePositionVisible( const Vector2& position )
     mEventData->mScrollPosition.x += offset.x;
     updateDecorator = true;
   }
-  else if( position.x > mControlSize.width )
+  else if( position.x > mVisualModel->mControlSize.width )
   {
-    offset.x = mControlSize.width - position.x;
+    offset.x = mVisualModel->mControlSize.width - position.x;
     mEventData->mScrollPosition.x += offset.x;
     updateDecorator = true;
   }
@@ -1652,41 +1950,52 @@ void Controller::Impl::ScrollTextToMatchCursor()
   mEventData->mScrollPosition.x = currentCursorPosition.x - cursorInfo.primaryPosition.x - mAlignmentOffset.x;
 
   ClampHorizontalScroll( mVisualModel->GetActualSize() );
-  bool updateCursorPosition = true;
 
   const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
   const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
 
-  if( updateCursorPosition )
-  {
-    // Sets the cursor position.
-    mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
-                                         cursorPosition.x,
-                                         cursorPosition.y,
-                                         cursorInfo.primaryCursorHeight,
-                                         cursorInfo.lineHeight );
+  // Sets the cursor position.
+  mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
+                                       cursorPosition.x,
+                                       cursorPosition.y,
+                                       cursorInfo.primaryCursorHeight,
+                                       cursorInfo.lineHeight );
 
-    // Sets the grab handle position.
-    mEventData->mDecorator->SetPosition( GRAB_HANDLE,
-                                         cursorPosition.x,
-                                         cursorPosition.y,
+  // Sets the grab handle position.
+  mEventData->mDecorator->SetPosition( GRAB_HANDLE,
+                                       cursorPosition.x,
+                                       cursorPosition.y,
+                                       cursorInfo.lineHeight );
+
+  if( cursorInfo.isSecondaryCursor )
+  {
+    mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
+                                         cursorInfo.secondaryPosition.x + offset.x,
+                                         cursorInfo.secondaryPosition.y + offset.y,
+                                         cursorInfo.secondaryCursorHeight,
                                          cursorInfo.lineHeight );
+    DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Secondary cursor position: %f,%f\n", cursorInfo.secondaryPosition.x + offset.x, cursorInfo.secondaryPosition.y + offset.y );
+  }
 
+  // Set which cursors are active according the state.
+  if( ( EventData::EDITING == mEventData->mState )                  ||
+      ( EventData::EDITING_WITH_POPUP == mEventData->mState )       ||
+      ( EventData::EDITING_WITH_GRAB_HANDLE == mEventData->mState ) ||
+      ( EventData::GRAB_HANDLE_PANNING == mEventData->mState ) )
+  {
     if( cursorInfo.isSecondaryCursor )
     {
       mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_BOTH );
-      mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
-                                           cursorInfo.secondaryPosition.x + offset.x,
-                                           cursorInfo.secondaryPosition.y + offset.y,
-                                           cursorInfo.secondaryCursorHeight,
-                                           cursorInfo.lineHeight );
-      DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Secondary cursor position: %f,%f\n", cursorInfo.secondaryPosition.x + offset.x, cursorInfo.secondaryPosition.y + offset.y );
     }
     else
     {
       mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
     }
   }
+  else
+  {
+    mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+  }
 }
 
 void Controller::Impl::RequestRelayout()