def lin_hover_handler(self, i: int, lin: pg.PlotItem, evt: tuple):
if lin.sceneBoundingRect().contains(evt[0]):
self.mouse_panel = 'lin_' + self.index_to_coord[i]
mousepnt = lin.vb.mapSceneToView(evt[0])
self.mouse_pos = mousepnt
self.status_bar = "{0:#.5g}, {1:#.5g}".format(mousepnt.x(), mousepnt.y())
self.mouse_hover.emit(self.status_bar)
if self.shift_down:
self.set_crosshair_to_mouse()
