def digit_button(digit, double_width=False):
# Create digits buttons, include the decimal point
button_style = digits_style.copy()
if double_width:
button_style["width"] = 2 * button_style["width"]
return ed.Button(str(digit),
style=button_style,
on_click=make_add_digit(digit))
def unary_button(symbol):
def apply_unary_operand(operator):
with self.render_changes():
self.clear_display = True
self.display = "%.4f" % OPERATORS[operator](float(
self.display))
return ed.Button(symbol,
style=unary_style,
on_click=lambda e: apply_unary_operand(symbol))
def render(self):
return ed.View()(
ed.Label(self.a),
ed.Label(self.b),
ed.Slider(self.a,
min_value=0,
max_value=1,
on_change=self._on_change),
ed.Button("Update b",
on_click=lambda e: self.set_state(b=self.b + 1)),
)
def render(self):
return ed.View(layout="row")(
ed.View(layout="column", style={
"width": 720,
"margin": 10
})(
ed.View(layout="row")(
ed.IconButton("pause" if self.is_playing else "play",
on_click=lambda e: self.set_state(
is_playing=not self.is_playing)),
ed.Button(
"Reset",
on_click=lambda e: self.set_state(simulation_time=0)),
),
plotting.Figure(lambda figure: self.plot(figure)),
ed.View(layout="row", style={"margin": 10})(
ed.Label("Angular Frequency"),
ed.Slider(value=self.angular_frequency,
min_value=1,
max_value=10,
on_change=lambda value: self.set_state(
angular_frequency=value, simulation_time=0)),
ed.Label("Damping Factor"),
ed.Slider(value=self.damping,
min_value=-3,
max_value=0,
on_change=lambda value: self.set_state(
damping=value, simulation_time=0)),
),
# We position the ball and the centroid using absolute positioning.
# The label and ball offsets are different since we have to take into-account the size of the ball
ed.View(layout="none",
style={
"width": 720,
"height": 10,
"margin-top": 40
})
(
ed.Icon("bowling-ball",
size=20,
color=(255, 0, 0, 255),
style={
"left":
350 + 200 * self.calculate_harmonic_motion(
self.simulation_time)
}),
ed.Label("|",
style={
"left": 356,
"font-size": 20,
"color": "blue"
}),
)))
def binary_button(symbol):
# Qt layout is sometimes unintuitive, but you can definitely hack around it!
button_style = binary_style.copy()
return ed.Button(symbol,
style=button_style,
on_click=lambda e: apply_binary_operand(symbol))