Re: Triggering CSS animation

[Mohith Manoj <mohith manoj skanray com>]

I am able to get this to work with following work around. It would have been nice if there is a neater solution that does not involve timers.

void CMainWindow::SetGuidance(const Glib::ustring &sGuidance)
{
  /*
   * Unit Name  :
   * Unit ID    : U-MainWindow.cpp-
   * Author     : mohith (10-Mar-2020, 3:21:18 pm)
   * Comments (if any)
   */
  {
    m_oLabelGuidance.get_style_context()->remove_class(IDU_CSS_CLASS_BLINK_WIDGET);

    m_connGuidanceDisplay.disconnect();

    m_oLabelGuidance.set_text(sGuidance);

    m_connGuidanceDisplay =
      Glib::signal_timeout().connect(sigc::bind(sigc::mem_fun(*this,
                                                              &CMainWindow::UpdateGuidance),
                                                true),
                                     50);
  }
}

bool CMainWindow::UpdateGuidance(bool bShow)
{
  /*
   * Unit Name  :
   * Unit ID    : U-MainWindow.cpp-
   * Author     : mohith (10-Mar-2020, 3:18:55 pm)
   * Comments (if any)
   */
  {
    if (true
        == bShow)
    {
      m_oLabelGuidance.get_style_context()->add_class(IDU_CSS_CLASS_BLINK_WIDGET);

      m_connGuidanceDisplay =
        Glib::signal_timeout().connect_seconds(sigc::bind(sigc::mem_fun(*this,
                                                                        &CMainWindow::UpdateGuidance),
                                                          false),
                                               5);
    } else
    {
      m_oLabelGuidance.set_text("");
    }
  }

  return 0;
}

Would still help if someone has a better idea.

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