- mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
- mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
+ if( Layout::Engine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
+ {
+ mImpl->mTextUpdateInfo.mCharacterIndex = 0;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters - numberOfCharacters;
+ mImpl->mTextUpdateInfo.mClearAll = true;
+ }
+ else
+ {
+ mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
+ mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
+ }