Add Text Preedit Style

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / text-controller-impl.cpp

diff --git a/dali-toolkit/internal/text/text-controller-impl.cpp b/dali-toolkit/internal/text/text-controller-impl.cpp
index caefc0c..2c9a78d 100755 (executable)
--- a/dali-toolkit/internal/text/text-controller-impl.cpp
+++ b/dali-toolkit/internal/text/text-controller-impl.cpp
@@ -110,7 +110,8 @@ EventData::EventData( DecoratorPtr decorator, InputMethodContext& inputMethodCon
   mIsPlaceholderPixelSize( false ),
   mIsPlaceholderElideEnabled( false ),
   mPlaceholderEllipsisFlag( false ),
-  mShiftSelectionFlag( true )
+  mShiftSelectionFlag( true ),
+  mUpdateAlignment( false )
 {
 }
 
@@ -814,7 +815,7 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired )
 
   // Check whether the indices for updating the text is valid
   if ( numberOfCharacters > 0u &&
-       ( mTextUpdateInfo.mParagraphCharacterIndex >= numberOfCharacters ||
+       ( mTextUpdateInfo.mParagraphCharacterIndex > numberOfCharacters ||
          mTextUpdateInfo.mRequestedNumberOfCharacters > numberOfCharacters ) )
   {
     std::string currentText;
@@ -932,7 +933,15 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired )
       {
         // Set the normal font and the placeholder font.
         defaultFontDescription = mFontDefaults->mFontDescription;
-        defaultPointSize = mFontDefaults->mDefaultPointSize * 64u;
+
+        if( mTextFitEnabled )
+        {
+          defaultPointSize = mFontDefaults->mFitPointSize * 64u;
+        }
+        else
+        {
+          defaultPointSize = mFontDefaults->mDefaultPointSize * 64u;
+        }
       }
 
       // Validates the fonts. If there is a character with no assigned font it sets a default one.
@@ -963,7 +972,9 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired )
                           lineBreakInfo,
                           startIndex,
                           requestedNumberOfCharacters,
-                          bidirectionalInfo );
+                          bidirectionalInfo,
+                          mModel->mMatchSystemLanguageDirection,
+                          mLayoutDirection );
 
     if( 0u != bidirectionalInfo.Count() )
     {
@@ -1061,21 +1072,35 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired )
       mEventData->mPreEditFlag &&
       ( 0u != mModel->mVisualModel->mCharactersToGlyph.Count() ) )
   {
-    // Add the underline for the pre-edit text.
-    const GlyphIndex* const charactersToGlyphBuffer = mModel->mVisualModel->mCharactersToGlyph.Begin();
-    const Length* const glyphsPerCharacterBuffer = mModel->mVisualModel->mGlyphsPerCharacter.Begin();
+    Dali::InputMethodContext::PreeditStyle type = mEventData->mInputMethodContext.GetPreeditStyle();
+
+    switch( type )
+    {
+      case Dali::InputMethodContext::PreeditStyle::UNDERLINE:
+      {
+        // Add the underline for the pre-edit text.
+        const GlyphIndex* const charactersToGlyphBuffer = mModel->mVisualModel->mCharactersToGlyph.Begin();
+        const Length* const glyphsPerCharacterBuffer = mModel->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 );
+        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;
+        GlyphRun underlineRun;
+        underlineRun.glyphIndex = glyphStart;
+        underlineRun.numberOfGlyphs = 1u + glyphEnd - glyphStart;
 
-    // TODO: At the moment the underline runs are only for pre-edit.
-    mModel->mVisualModel->mUnderlineRuns.PushBack( underlineRun );
+        mModel->mVisualModel->mUnderlineRuns.PushBack( underlineRun );
+        break;
+      }
+      // TODO :  At this moment, other styles for preedit are not implemented yet.
+      case Dali::InputMethodContext::PreeditStyle::REVERSE:
+      case Dali::InputMethodContext::PreeditStyle::HIGHLIGHT:
+      case Dali::InputMethodContext::PreeditStyle::NONE:
+      default:
+        break;
+    }
   }
 
   // The estimated number of lines. Used to avoid reallocations when layouting.
@@ -1845,15 +1870,13 @@ void Controller::Impl::OnSelectAllEvent()
 
   if( mEventData->mSelectionEnabled )
   {
-    ChangeState( EventData::SELECTING );
+    // Calculates the logical position from the start.
+    RepositionSelectionHandles( 0.f - mModel->mScrollPosition.x,
+                                0.f - mModel->mScrollPosition.y,
+                                Controller::NoTextTap::HIGHLIGHT );
 
     mEventData->mLeftSelectionPosition = 0u;
     mEventData->mRightSelectionPosition = mModel->mLogicalModel->mText.Count();
-
-    mEventData->mScrollAfterUpdatePosition = true;
-    mEventData->mUpdateLeftSelectionPosition = true;
-    mEventData->mUpdateRightSelectionPosition = true;
-    mEventData->mUpdateHighlightBox = true;
   }
 }
 
@@ -2739,11 +2762,24 @@ void Controller::Impl::GetCursorPosition( CharacterIndex logical,
     cursorInfo.lineHeight = GetDefaultFontLineHeight();
     cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
 
+    bool isRTL = false;
+    if( mModel->mMatchSystemLanguageDirection )
+    {
+      isRTL = mLayoutDirection == LayoutDirection::RIGHT_TO_LEFT;
+    }
+
     switch( mModel->mHorizontalAlignment )
     {
       case Text::HorizontalAlignment::BEGIN :
       {
-        cursorInfo.primaryPosition.x = 0.f;
+        if( isRTL )
+        {
+          cursorInfo.primaryPosition.x = mModel->mVisualModel->mControlSize.width - mEventData->mDecorator->GetCursorWidth();
+        }
+        else
+        {
+          cursorInfo.primaryPosition.x = 0.f;
+        }
         break;
       }
       case Text::HorizontalAlignment::CENTER:
@@ -2753,7 +2789,14 @@ void Controller::Impl::GetCursorPosition( CharacterIndex logical,
       }
       case Text::HorizontalAlignment::END:
       {
-        cursorInfo.primaryPosition.x = mModel->mVisualModel->mControlSize.width - mEventData->mDecorator->GetCursorWidth();
+        if( isRTL )
+        {
+          cursorInfo.primaryPosition.x = 0.f;
+        }
+        else
+        {
+          cursorInfo.primaryPosition.x = mModel->mVisualModel->mControlSize.width - mEventData->mDecorator->GetCursorWidth();
+        }
         break;
       }
     }