'Qt Override.
Include a validation icon to the left of the line edit.'

def paintEvent(self, event):

    super(IconLineEdit, self).paintEvent(event)
    painter = QPainter(self)
    rect = self.geometry()
    space = int((rect.height() / 6))
    h = (rect.height() - space)
    w = (rect.width() - h)
    if self._icon_visible:
        if (self._status and self._status_set):
            pixmap = self._set_icon.pixmap(h, h)
        elif self._status:
            pixmap = self._valid_icon.pixmap(h, h)
        else:
            pixmap = self._invalid_icon.pixmap(h, h)
        painter.drawPixmap(w, space, pixmap)
    application_style = QApplication.style().objectName()
    if (self._application_style != application_style):
        self._application_style = application_style
        self._refresh()
    if (self._paint_count < 5):
        self._paint_count += 1
        self._refresh()
