class LUISliderWithLabel(LUIObject, LUICallback):
def __init__(self,
parent=None,
width=100.0,
filled=False,
min_value=0,
max_value=1.0,
precision=2,
value=None):
LUIObject.__init__(self, x=0, y=0, w=width, h=0)
LUICallback.__init__(self)
max_numbers_before = max(len(str(int(max_value))),
len(str(int(min_value))))
number_space_required = max_numbers_before
if precision > 0:
number_space_required += 1 + precision
pixels_per_number = 7
self.precision = precision
self.slider = LUISlider(self,
width=width -
pixels_per_number * number_space_required - 5,
filled=filled,
min_value=min_value,
max_value=max_value,
value=value)
self.label = LUILabel(parent=self, shadow=True, text=u"1.23")
self.label.right = 0
self.label.top = self.label.height - self.slider.height
self.label.color = (1, 1, 1, 0.5)
self.slider.add_change_callback(self._on_slider_changed)
self.slider.add_change_callback(self._trigger_callback)
self._on_slider_changed(self.slider, self.slider.get_value())
if parent is not None:
self.parent = parent
self.fit_to_children()
def get_value(self):
return self.slider.get_value()
def set_value(self, val):
self.slider.set_value(val)
def _on_slider_changed(self, obj, value):
self.label.text = ("{:." + str(self.precision) + "f}").format(value)
