class IntegralSlider(Slider):
'''
Identical to a regular slider, except the values are integers, and the
marker snaps between integral chunks on the slide.
'''
def __init__(self):
super(IntegralSlider, self).__init__()
self.on_choice_observable = Observable()
self._choices = [0, 1]
self._index = 0
@property
def index(self):
return self._index
@index.setter
def index(self, index):
if not self.index == index:
self._index = index
self.value = index / (len(self.choices) - 1)
self.on_choice_observable.on_event(self)
@property
def choice(self):
return self.choices[self._index]
@choice.setter
def choice(self, choice):
if choice in self.choices:
self.index = self.choices.index(choice)
@property
def choices(self):
return self._choices
@choices.setter
def choices(self, choices):
if choices and isinstance(choices, list):
self._choices = choices
self._index = -1 # This is a hack to activate the
self.index = 0 # on_choice_observable event when setting index
def on_mouse_move(self, x, y, dx, dy, buttons, modifiers):
if self.actively_dragging:
# Get position of mouse from where we start measuring after the
# middle of the marker
x = x - self.absolute_position.x - (self.marker.size.x / 2)
total_distance = self.size.x - self.marker.size.x
length_of_segment = total_distance / (len(self.choices) - 1)
closest_segment = round(x / length_of_segment)
# Clamp choice
closest_choice = min(len(self.choices)-1, max(0, closest_segment))
# logging.debug('Closest to {}'.format(closest_choice))
if not self.index == closest_choice:
self.index = closest_choice
class Checkbox(ColoredRectangle):
def __init__(self):
super(Checkbox, self).__init__()
self.fill_color = [255, 255, 255, 255]
self.fill = ColoredRectangle()
self.fill.color = self.fill_color
self.fill.layout.add(
partial(center_inside, item=self.fill, base_object=self)
)
self._checked = True
self.checked_observable = Observable()
def on_resize(self):
self.fill.size.x = self.size.x - 10
self.fill.size.y = self.size.y - 10
def on_added_as_child(self):
super(Checkbox, self).on_added_as_child()
self.add_child(self.fill)
def on_mouse_pressed(self, x, y, buttons, modifiers):
rectangle = AABox()
rectangle.position = self.absolute_position
rectangle.size = self.size
if rectangle.contains(x,y):
self.checked = not self.checked
@property
def checked(self):
return self._checked
@checked.setter
def checked(self, state):
self._checked = state
logging.debug(
'Box is {}'.format('checked' if self.checked else 'unchecked')
)
if self.checked:
self.fill.color = self.fill_color
else:
tmp_color = list(self.fill_color)
tmp_color[-1] = 0
self.fill.color = tmp_color
self.checked_observable.on_event(self)
def __init__(self):
super(Checkbox, self).__init__()
self.fill_color = [255, 255, 255, 255]
self.fill = ColoredRectangle()
self.fill.color = self.fill_color
self.fill.layout.add(
partial(center_inside, item=self.fill, base_object=self)
)
self._checked = True
self.checked_observable = Observable()
def __init__(self):
super(IntegralSlider, self).__init__()
self.on_choice_observable = Observable()
self._choices = [0, 1]
self._index = 0