Method getCursorDrawOffset

source/windowing/StarTextBoxWidget.cpp:89–118

}

int TextBoxWidget::getCursorDrawOffset() const { // horizontal only
  float scale;
  context()->setTextStyle(m_textStyle);
  if (m_hAnchor == HorizontalAnchor::LeftAnchor) {
    scale = 1.0;
  } else if (m_hAnchor == HorizontalAnchor::HMidAnchor) {
    scale = 0.5;
  } else if (m_hAnchor == HorizontalAnchor::RightAnchor) {
    scale = -1.0;
    if (m_textHidden) {
      int width = context()->stringWidth("*");
      size_t chars = m_text.size();
      return (width * chars) * scale + (width * (chars - m_cursorOffset));
    } else {
      return context()->stringWidth(m_text) * scale
           + context()->stringWidth(m_text.substr(m_cursorOffset, m_text.size()));
    }
  } else {
    throw GuiException("Somehow, the value of m_hAnchor became bad");
  }

  if (m_textHidden) {
    int width = context()->stringWidth("*");
    size_t chars = m_text.size();
    return (int)std::ceil((width * chars) * scale - (width * (chars - m_cursorOffset)));
  } else {
  return (int)std::ceil(context()->stringWidth(m_text) * scale
                      - context()->stringWidth(m_text.substr(m_cursorOffset, m_text.size())));
  }
}

void TextBoxWidget::update(float dt) {
  Widget::update(dt);