def build(self, tk, parent):
self.running = False
resources = [
addResource(FileResource("resources/nyancat-%d.png" % i,
name="nyancat-%d" % i,
type="image/png"))
for i in range(0, 12)]
img = Image(tk, resource=resources[0])
button = Button(tk, "Start")
parent.append(img)
parent.append(button)
def update_image(i):
if self.running:
img.resource = resources[i]
tk.set_timer(lambda e: update_image((i+1) % 12), 250)
def startstop(e):
button.text = self.running and "Start" or "Stop"
self.running = not self.running
update_image(0)
button.click = startstop
def build(self, tk, parent):
button = Button(tk, "Click me!")
def click(e):
button.text = "Click me again!"
button.click = click
parent.append(button)
def build(self, tk, parent):
button = Button(tk, "Click me")
self.message = StaticText(tk, "0 clicks")
button.click = self.click_handler
parent.append(self.message)
parent.append(button)
def build(self, tk, parent):
button = Button(tk, "Click me")
self.message = StaticText(tk, "0 clicks")
button.click = self.click_handler
parent.append(self.message)
parent.append(button)
def build(self, tk, parent):
button = Button(tk, "Click me!")
def click(e):
button.text = "Click me again!"
button.click = click
parent.append(button)
def build(self, tk, parent):
parent.setLayout(HBox())
p1 = Panel(tk,width=200, height=200)
p2 = Panel(tk, scrolling=True, width=200, height=200)
p2.setLayout(VBox())
p1.append(StaticText(tk, "Non-scrolling panel"))
p2.append(StaticText(tk, "Scrolling panel"))
b = Button(tk, "Click me")
p1.append(b)
def click(e):
p2.append(StaticText(tk, "Line added"))
parent.layout()
p2.scrollbottom()
b.click = click
parent.append(p1)
parent.append(p2)
def build(self, tk, parent):
self.tk = tk
parent.setLayout(GridLayout(columns=2))
self.startstop = Button(tk, "Start")
self.message = StaticText(tk, "0 events")
self.startstop.click = self.startstop_handler
parent.append(self.message)
parent.append(self.startstop)
def build(self, tk, parent):
parent.setLayout(Grid(rows=2, columns=4, expand_vertical=True))
self.text = Text(tk)
append_button = Button(tk, 'Append')
append_button.click = self.append
remove_button = Button(tk, 'Remove')
remove_button.click = self.remove
clear_button = Button(tk, 'Clear')
clear_button.click = self.clear
parent.append(self.text)
parent.append(append_button)
parent.append(remove_button)
parent.append(clear_button)
self.collection = Collection(tk, StaticText)
self.collection.extend(['Hello', 'World', 'Bye'])
parent.append(self.collection)
def build(self, tk, parent):
button = Button(tk, "Click me!")
t1 = StaticText(tk, 'Enabled:')
c1 = CheckBox(tk)
t2 = StaticText(tk, 'Visible:')
c2 = CheckBox(tk, checked=True)
def toggle_state(x):
button.enabled = not button.enabled
c1.click = toggle_state
def toggle_visibility(x):
button.visible = c2.checked
c2.click = toggle_visibility
button.enabled = False
parent.append(button)
parent.append(t1)
parent.append(c1)
parent.append(t2)
parent.append(c2)
def build(self, tk, parent):
self.tk = tk
self.lots = []
modal = Button(tk, "Click to open a modal window")
nonmodal = Button(tk, "Click to open a non-modal window")
alot = Button(tk, "Click to open a lot of windows")
self.modal_window = None
self.nonmodal_window = None
modal.click = self.open_modal
nonmodal.click = self.open_nonmodal
alot.click = self.open_a_lot
parent.append(modal)
parent.append(nonmodal)
parent.append(alot)
def build(self, tk, parent):
self.running = False
resources = [
addResource(FileResource("resources/nyancat-%d.png" % i, name="nyancat-%d" % i, type="image/png"))
for i in range(0, 12)
]
img = Image(tk, resource=resources[0])
button = Button(tk, "Start")
parent.append(img)
parent.append(button)
def update_image(i):
if self.running:
img.resource = resources[i]
tk.set_timer(lambda e: update_image((i + 1) % 12), 250)
def startstop(e):
button.text = self.running and "Start" or "Stop"
self.running = not self.running
update_image(0)
button.click = startstop
def build(self, tk, parent):
parent.setLayout(Grid(rows=2, columns=4, expand_vertical=True))
self.text = Text(tk)
append_button = Button(tk, 'Append')
append_button.click = self.append
remove_button = Button(tk, 'Remove')
remove_button.click = self.remove
clear_button = Button(tk, 'Clear')
clear_button.click = self.clear
parent.append(self.text)
parent.append(append_button)
parent.append(remove_button)
parent.append(clear_button)
self.collection = Collection(tk, StaticText)
self.collection.extend(['Hello', 'World', 'Bye'])
parent.append(self.collection)
def build(self, tk, parent):
self.tk = tk
self.lots = []
modal = Button(tk, "Click to open a modal window")
nonmodal = Button(tk, "Click to open a non-modal window")
alot = Button(tk, "Click to open a lot of windows")
self.modal_window = None
self.nonmodal_window = None
modal.click = self.open_modal
nonmodal.click = self.open_nonmodal
alot.click = self.open_a_lot
parent.append(modal)
parent.append(nonmodal)
parent.append(alot)
class Calculator(object):
title = "Calculator"
description = "Sample calculator application"
def build(self, tk, parent):
def reset():
self.equation = ""
self.digits = 0
self.floating = 0
self.in_float = False
def val():
if self.in_float:
return "%d.%d" % (self.digits, self.floating)
return str(self.digits)
def digit(num):
if self.in_float:
self.floating *= 10
self.floating += num
self.display.text = val()
else:
self.digits *= 10
self.digits += num
self.display.text = str(self.digits)
def clear(e):
reset()
self.display.text = str(self.digits)
def point(e):
if not self.in_float:
self.in_float = True
self.display.text = str(self.digits) + "."
def op(operator):
self.equation += "%d.%d%s" % (self.digits, self.floating, operator)
self.digits = 0
self.floating = 0
self.in_float = False
def equals(e):
self.equation += val()
try:
res = eval(self.equation)
if res == int(res):
self.display.text = "%d" % res
else:
self.display.text = "%f" % eval(self.equation)
except ZeroDivisionError, e:
self.display.text = "err"
reset()
reset()
## make it static, we want buttons to be equally sized.
parent.setLayout(
GridLayout(rows=6,
columns=4,
padx=1,
pady=1,
static=True,
sticky=GridLayout.NEWS))
self.display = StaticText(tk,
str(self.digits),
background="black",
foreground="white")
## buttons 0 .. 9
for n in range(0, 10):
b = Button(tk, str(n))
b.click = lambda e, n=n: digit(n)
setattr(self, "b%d" % n, b)
self.clear = Button(tk, "C")
self.dummy = StaticText(tk, " ")
self.divide = Button(tk, "/")
self.multiply = Button(tk, "x")
self.plus = Button(tk, "+")
self.substract = Button(tk, "-")
self.equals = Button(tk, "=")
self.point = Button(tk, ".")
self.clear.click = clear
self.point.click = point
self.plus.click = lambda e: op("+")
self.substract.click = lambda e: op("-")
self.multiply.click = lambda e: op("*")
self.divide.click = lambda e: op("/")
self.equals.click = equals
parent.append(self.display, row=0, column=0, colspan=4)
# C _ / *
parent.append(self.clear, row=1, column=0)
parent.append(self.dummy, row=1, column=1)
parent.append(self.divide, row=1, column=2)
parent.append(self.multiply, row=1, column=3)
# 7 8 9 -
parent.append(self.b7, row=2, column=0)
parent.append(self.b8, row=2, column=1)
parent.append(self.b9, row=2, column=2)
parent.append(self.substract, row=2, column=3)
# 4 5 6 +
parent.append(self.b4, row=3, column=0)
parent.append(self.b5, row=3, column=1)
parent.append(self.b6, row=3, column=2)
parent.append(self.plus, row=3, column=3)
# 1 2 3 =
parent.append(self.b1, row=4, column=0)
parent.append(self.b2, row=4, column=1)
parent.append(self.b3, row=4, column=2)
parent.append(self.equals, row=4, column=3, rowspan=2)
# 0 .
parent.append(self.b0, row=5, column=0, colspan=2)
parent.append(self.point, row=5, column=2)
parent.layout()
