class ScreenLogin(Tk):
def __init__(self, master, q_visibility):
master.title('Login')
self.master = master
self.pin_entry = None
self.q_visibility = q_visibility
self.statusbar = StatusBar(self.master,
bd=1,
relief=SUNKEN,
anchor=CENTER)
self.statusbar.pack(side=BOTTOM, fill=X)
# Setup GPIO
GPIO.setmode(GPIO.BOARD)
GPIO.setup(LED_LAUNCHREADY, GPIO.OUT)
def refresh_timer(self):
self.statusbar.set('Local IP: %s', get_ip_address('eth0'))
status = self.q_visibility.get()
if status == 'SHOW':
self.master.deiconify()
elif status == 'HIDE':
self.master.withdraw()
# Call reload_timer after 1sec
self.master.after(1000, self.refresh_timer)
def process_key(self, key):
logging.debug('Button Pressed: ' + key)
if (key == 'Clear'):
self.pin_entry.delete(0, END)
return None
if (key == 'Login'):
if self.pin_entry.get() == '2117':
tkMessageBox.showinfo(title="Welcome", message="Launch Ready")
GPIO.output(LED_LAUNCHREADY, GPIO.HIGH)
else:
tkMessageBox.showwarning(title="Invalid attempt",
message="Incorrect!")
GPIO.output(LED_LAUNCHREADY, GPIO.LOW)
self.pin_entry.delete(0, END)
return None
self.pin_entry.insert(END, key)
def show(self):
buttons_frame = Frame(self.master)
buttons_frame.pack(side=TOP, fill=Y)
btn_list = [
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 'Clear', 'Login'
]
# this also shows the calculator's button layout
rel = 'ridge'
# Draw the butons pad
row = 1
col = 0
for b in btn_list:
cmd = partial(self.process_key, b)
# partial takes care of function and argument
Button(buttons_frame,
command=cmd,
text=b,
width=5,
height=2,
relief=rel).grid(row=row, column=col)
col += 1
if col >= 3:
col = 0
row += 1
pinentry_form = Frame(self.master)
pinentry_form.pack(side=TOP, fill=BOTH)
self.pin_entry = Entry(pinentry_form,
show="•",
font="Helvetica 24 bold",
justify="center")
self.pin_entry.pack(side=BOTTOM)
self.refresh_timer()
class ScreenLogin(Tk):
def __init__(self, master, q_visibility):
master.title('Login')
self.master = master
self.pin_entry = None
self.q_visibility = q_visibility
self.statusbar = StatusBar(self.master, bd=1, relief=SUNKEN, anchor=CENTER)
self.statusbar.pack(side=BOTTOM, fill=X)
# Setup GPIO
GPIO.setmode(GPIO.BOARD)
GPIO.setup(LED_LAUNCHREADY, GPIO.OUT)
def refresh_timer(self):
self.statusbar.set('Local IP: %s', get_ip_address('eth0'))
status = self.q_visibility.get()
if status == 'SHOW':
self.master.deiconify()
elif status == 'HIDE':
self.master.withdraw()
# Call reload_timer after 1sec
self.master.after(1000, self.refresh_timer)
def process_key(self, key):
logging.debug('Button Pressed: ' + key)
if (key == 'Clear'):
self.pin_entry.delete(0, END)
return None
if (key == 'Login'):
if self.pin_entry.get() == '2117':
tkMessageBox.showinfo(title="Welcome", message="Launch Ready")
GPIO.output(LED_LAUNCHREADY, GPIO.HIGH)
else:
tkMessageBox.showwarning(title="Invalid attempt", message="Incorrect!")
GPIO.output(LED_LAUNCHREADY, GPIO.LOW)
self.pin_entry.delete(0, END)
return None
self.pin_entry.insert(END, key)
def show(self):
buttons_frame = Frame(self.master)
buttons_frame.pack(side=TOP, fill=Y)
btn_list = [
'1', '2', '3',
'4', '5', '6',
'7', '8', '9',
'0', 'Clear', 'Login'
]
# this also shows the calculator's button layout
rel = 'ridge'
# Draw the butons pad
row = 1
col = 0
for b in btn_list:
cmd = partial(self.process_key, b)
# partial takes care of function and argument
Button(buttons_frame, command=cmd, text=b,
width=5, height=2, relief=rel).grid(row=row, column=col)
col += 1
if col >= 3:
col = 0
row += 1
pinentry_form = Frame(self.master)
pinentry_form.pack(side=TOP, fill=BOTH)
self.pin_entry = Entry(pinentry_form, show="•", font="Helvetica 24 bold", justify="center")
self.pin_entry.pack(side=BOTTOM)
self.refresh_timer()
