def _on_rose_timer(self):
        rose = self._rose
        rose.setMode(self._target_rose_mode)
        rose.mouseOver(self._hover_pos)
        self._show_band = True
        self._update_band_state()
Handle the timeout event for the internal rose timer.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/docking/dock_overlay.py/DockOverlay._on_rose_timer