Method controlKey

core/2d/TextFieldTTF.cpp:640–689

}

void TextFieldTTF::controlKey(EventKeyboard::KeyCode keyCode)
{
    if (_cursorEnabled)
    {
        switch (keyCode)
        {
        case EventKeyboard::KeyCode::KEY_HOME:
        case EventKeyboard::KeyCode::KEY_KP_HOME:
            setCursorPosition(0);
            updateCursorDisplayText();
            break;
        case EventKeyboard::KeyCode::KEY_END:
            setCursorPosition(_charCount);
            updateCursorDisplayText();
            break;
        case EventKeyboard::KeyCode::KEY_DELETE:
        case EventKeyboard::KeyCode::KEY_KP_DELETE:
            if (_cursorPosition < (std::size_t)_charCount)
            {
                std::string sText(_inputText);
                auto nb = StringUtils::eraseUTF8CharAt(sText, _cursorPosition);
                if (nb)
                    --_charCount;
                setCursorPosition(_cursorPosition);

                setString(sText);
            }
            break;
        case EventKeyboard::KeyCode::KEY_LEFT_ARROW:
            if (_cursorPosition)
            {
                setCursorPosition(_cursorPosition - 1);
                updateCursorDisplayText();
            }
            break;
        case EventKeyboard::KeyCode::KEY_RIGHT_ARROW:
            if (_cursorPosition < (std::size_t)_charCount)
            {
                setCursorPosition(_cursorPosition + 1);
                updateCursorDisplayText();
            }
            break;
        case EventKeyboard::KeyCode::KEY_ESCAPE:
            detachWithIME();
            break;
        default:
            break;
        }
    }
}

std::string_view TextFieldTTF::getString() const
{