Text Fit
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / text-controller-impl.cpp
old mode 100644 (file)
new mode 100755 (executable)
index 79346b0..e333be2
@@ -67,9 +67,9 @@ namespace Toolkit
 namespace Text
 {
 
-EventData::EventData( DecoratorPtr decorator )
+EventData::EventData( DecoratorPtr decorator, InputMethodContext& inputMethodContext )
 : mDecorator( decorator ),
-  mImfManager(),
+  mInputMethodContext( inputMethodContext ),
   mPlaceholderFont( NULL ),
   mPlaceholderTextActive(),
   mPlaceholderTextInactive(),
@@ -106,12 +106,12 @@ EventData::EventData( DecoratorPtr decorator )
   mAllTextSelected( false ),
   mUpdateInputStyle( false ),
   mPasswordInput( false ),
+  mCheckScrollAmount( false ),
   mIsPlaceholderPixelSize( false ),
   mIsPlaceholderElideEnabled( false ),
   mPlaceholderEllipsisFlag( false ),
   mShiftSelectionFlag( true )
 {
-  mImfManager = ImfManager::Get();
 }
 
 EventData::~EventData()
@@ -179,7 +179,7 @@ bool Controller::Impl::ProcessInputEvents()
   if( mEventData->mUpdateCursorPosition ||
       mEventData->mUpdateHighlightBox )
   {
-    NotifyImfManager();
+    NotifyInputMethodContext();
   }
 
   // The cursor must also be repositioned after inserts into the model
@@ -328,9 +328,9 @@ bool Controller::Impl::ProcessInputEvents()
   return decoratorUpdated;
 }
 
-void Controller::Impl::NotifyImfManager()
+void Controller::Impl::NotifyInputMethodContext()
 {
-  if( mEventData && mEventData->mImfManager )
+  if( mEventData && mEventData->mInputMethodContext )
   {
     CharacterIndex cursorPosition = GetLogicalCursorPosition();
 
@@ -346,17 +346,17 @@ void Controller::Impl::NotifyImfManager()
       cursorPosition -= numberOfWhiteSpaces;
     }
 
-    mEventData->mImfManager.SetCursorPosition( cursorPosition );
-    mEventData->mImfManager.NotifyCursorPosition();
+    mEventData->mInputMethodContext.SetCursorPosition( cursorPosition );
+    mEventData->mInputMethodContext.NotifyCursorPosition();
   }
 }
 
-void Controller::Impl::NotifyImfMultiLineStatus()
+void Controller::Impl::NotifyInputMethodContextMultiLineStatus()
 {
-  if ( mEventData )
+  if ( mEventData && mEventData->mInputMethodContext )
   {
     Text::Layout::Engine::Type layout = mLayoutEngine.GetLayout();
-    mEventData->mImfManager.NotifyTextInputMultiLine( layout == Text::Layout::Engine::MULTI_LINE_BOX );
+    mEventData->mInputMethodContext.NotifyTextInputMultiLine( layout == Text::Layout::Engine::MULTI_LINE_BOX );
   }
 }
 
@@ -811,6 +811,36 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired )
   Length paragraphCharacters = 0u;
 
   CalculateTextUpdateIndices( paragraphCharacters );
+
+  // Check whether the indices for updating the text is valid
+  if ( numberOfCharacters > 0u &&
+       ( mTextUpdateInfo.mParagraphCharacterIndex >= numberOfCharacters ||
+         mTextUpdateInfo.mRequestedNumberOfCharacters > numberOfCharacters ) )
+  {
+    std::string currentText;
+    Utf32ToUtf8( mModel->mLogicalModel->mText.Begin(), numberOfCharacters, currentText );
+
+    DALI_LOG_ERROR( "Controller::Impl::UpdateModel: mTextUpdateInfo has invalid indices\n" );
+    DALI_LOG_ERROR( "Number of characters: %d, current text is: %s\n", numberOfCharacters, currentText.c_str() );
+
+    // Dump mTextUpdateInfo
+    DALI_LOG_ERROR( "Dump mTextUpdateInfo:\n" );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mCharacterIndex = %u\n", mTextUpdateInfo.mCharacterIndex );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mNumberOfCharactersToRemove = %u\n", mTextUpdateInfo.mNumberOfCharactersToRemove );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mNumberOfCharactersToAdd = %u\n", mTextUpdateInfo.mNumberOfCharactersToAdd );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mPreviousNumberOfCharacters = %u\n", mTextUpdateInfo.mPreviousNumberOfCharacters );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mParagraphCharacterIndex = %u\n", mTextUpdateInfo.mParagraphCharacterIndex );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mRequestedNumberOfCharacters = %u\n", mTextUpdateInfo.mRequestedNumberOfCharacters );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mStartGlyphIndex = %u\n", mTextUpdateInfo.mStartGlyphIndex );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mStartLineIndex = %u\n", mTextUpdateInfo.mStartLineIndex );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mEstimatedNumberOfLines = %u\n", mTextUpdateInfo.mEstimatedNumberOfLines );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mClearAll = %d\n", mTextUpdateInfo.mClearAll );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mFullRelayoutNeeded = %d\n", mTextUpdateInfo.mFullRelayoutNeeded );
+    DALI_LOG_ERROR( "     mTextUpdateInfo.mIsLastCharacterNewParagraph = %d\n", mTextUpdateInfo.mIsLastCharacterNewParagraph );
+
+    return false;
+  }
+
   startIndex = mTextUpdateInfo.mParagraphCharacterIndex;
 
   if( mTextUpdateInfo.mClearAll ||
@@ -902,7 +932,15 @@ 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.
@@ -933,7 +971,9 @@ bool Controller::Impl::UpdateModel( OperationsMask operationsRequired )
                           lineBreakInfo,
                           startIndex,
                           requestedNumberOfCharacters,
-                          bidirectionalInfo );
+                          bidirectionalInfo,
+                          mModel->mMatchSystemLanguageDirection,
+                          mLayoutDirection );
 
     if( 0u != bidirectionalInfo.Count() )
     {
@@ -1289,11 +1329,11 @@ void Controller::Impl::OnCursorKeyEvent( const Event& event )
 
     if ( selecting )
     {
-      // Notify the cursor position to the imf manager.
-      if( mEventData->mImfManager )
+      // Notify the cursor position to the InputMethodContext.
+      if( mEventData->mInputMethodContext )
       {
-        mEventData->mImfManager.SetCursorPosition( mEventData->mPrimaryCursorPosition );
-        mEventData->mImfManager.NotifyCursorPosition();
+        mEventData->mInputMethodContext.SetCursorPosition( mEventData->mPrimaryCursorPosition );
+        mEventData->mInputMethodContext.NotifyCursorPosition();
       }
 
       ChangeState( EventData::SELECTING );
@@ -1365,11 +1405,11 @@ void Controller::Impl::OnTapEvent( const Event& event )
       mEventData->mScrollAfterUpdatePosition = true;
       mEventData->mUpdateInputStyle = true;
 
-      // Notify the cursor position to the imf manager.
-      if( mEventData->mImfManager )
+      // Notify the cursor position to the InputMethodContext.
+      if( mEventData->mInputMethodContext )
       {
-        mEventData->mImfManager.SetCursorPosition( mEventData->mPrimaryCursorPosition );
-        mEventData->mImfManager.NotifyCursorPosition();
+        mEventData->mInputMethodContext.SetCursorPosition( mEventData->mPrimaryCursorPosition );
+        mEventData->mInputMethodContext.NotifyCursorPosition();
       }
     }
     else if( 2u == tapCount )
@@ -1815,15 +1855,13 @@ 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;
   }
 }
 
@@ -2387,8 +2425,8 @@ void Controller::Impl::RepositionSelectionHandles( float visualX, float visualY,
     mEventData->mUpdateRightSelectionPosition = true;
     mEventData->mUpdateHighlightBox = true;
 
-    // It may happen an IMF commit event arrives before the selection event
-    // if the IMF manager is in pre-edit state. The commit event will set the
+    // It may happen an InputMethodContext commit event arrives before the selection event
+    // if the InputMethodContext is in pre-edit state. The commit event will set the
     // mEventData->mUpdateCursorPosition flag to true. If it's not set back
     // to false, the highlight box won't be updated.
     mEventData->mUpdateCursorPosition = false;
@@ -2518,8 +2556,11 @@ void Controller::Impl::ChangeState( EventData::State newState )
         mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
         mEventData->mDecorator->StopCursorBlink();
         mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
-        mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
-        mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
+        if ( mEventData->mGrabHandleEnabled )
+        {
+          mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
+          mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
+        }
         mEventData->mDecorator->SetHighlightActive( true );
         if( mEventData->mGrabHandlePopupEnabled )
         {
@@ -2563,7 +2604,7 @@ void Controller::Impl::ChangeState( EventData::State newState )
           mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
           mEventData->mDecorator->SetHighlightActive( false );
         }
-        else
+        else if ( mEventData->mGrabHandleEnabled )
         {
           mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
         }
@@ -2585,7 +2626,10 @@ void Controller::Impl::ChangeState( EventData::State newState )
           mEventData->mDecorator->StartCursorBlink();
         }
         // Grab handle is not shown until a tap is received whilst EDITING
-        mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+        if ( mEventData->mGrabHandleEnabled )
+        {
+          mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+        }
         mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
         mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
         mEventData->mDecorator->SetHighlightActive( false );
@@ -2601,8 +2645,11 @@ void Controller::Impl::ChangeState( EventData::State newState )
         mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
         mEventData->mDecorator->StopCursorBlink();
         mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
-        mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
-        mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
+        if ( mEventData->mGrabHandleEnabled )
+        {
+          mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
+          mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
+        }
         mEventData->mDecorator->SetHighlightActive( true );
         if( mEventData->mGrabHandlePopupEnabled )
         {
@@ -2620,7 +2667,10 @@ void Controller::Impl::ChangeState( EventData::State newState )
         {
           mEventData->mDecorator->StartCursorBlink();
         }
-        mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+        if ( mEventData->mGrabHandleEnabled )
+        {
+          mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+        }
         mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
         mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
         mEventData->mDecorator->SetHighlightActive( false );
@@ -2641,7 +2691,10 @@ void Controller::Impl::ChangeState( EventData::State newState )
           mEventData->mDecorator->StartCursorBlink();
         }
 
-        mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+        if ( mEventData->mGrabHandleEnabled )
+        {
+          mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+        }
         mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
         mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
         mEventData->mDecorator->SetHighlightActive( false );
@@ -2694,11 +2747,24 @@ 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:
@@ -2708,7 +2774,14 @@ 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;
       }
     }