Method setColor

app/src/Platform/CSD.cpp:927–934

* @brief Sets a custom color for the title bar. */

 * @brief Sets a custom color for the title bar.
 */
void Window::setColor(const QString& color)
{
  if (m_color == color)
    return;

  m_color = color;
  updateTheme();
}

/**
 * @brief Creates the drop-shadow as a BorderImage over a shared 9-slice atlas (no per-window