Method popup

Modules/QtWidgetsExt/src/QmitkColorPropertyEditor.cpp:133–189

}

void QmitkPopupColorChooser::popup(QWidget *parent, const QPoint &point, const mitk::Color *color)
{
  m_popupParent = parent;
  if (m_popupParent)
  {
    QPoint newPos;

    if (color)
    {
      QColor qcolor((int)((*color)[0] * 255.0), (int)((*color)[1] * 255.0), (int)((*color)[2] * 255.0));
      int h, s, v;
      qcolor.getHsv(&h, &s, &v);

      if (h == -1) // set by Qt if color is achromatic ( but this widget does not display grays )
        h = 10;    // red

      int x, y;
      float cellwidth = (float)width() / (float)(m_Steps);

      if (s > v) // restrict to the colors we can display
      {          // left side, ramp from v = 255/m_Steps to v = 255
        s = 255;
        x = (int)((((float)v / 255.0) * ((float)m_Steps2) - 1.0) * cellwidth + cellwidth / 2);
      }
      else
      {
        v = 255;
        x = (int)(((1.0 - ((float)s / 255.0)) * ((float)m_Steps2)) * cellwidth + cellwidth / 2

                  +
                  width() / 2);
      }

      y = (int)((float)h / 360.0 * (float)m_Steps * cellwidth);

      m_OriginalColor.setHsv(h, s, v);

      // move to color
      newPos.setX(point.x() - x);
      newPos.setY(point.y() - y);
    }
    else
    {
      // center widget
      m_OriginalColor.setHsv(-1, 0, 0);

      newPos.setX(point.x() - width() / 2);
      newPos.setY(point.y() - height() / 2);
    }
    move(m_popupParent->mapToGlobal(newPos));
  }

  show();
  raise();
  grabMouse();
  grabKeyboard();
}