def __init__(self):
super().__init__()
Label((0, 0), font=font14, value='Dialog box demonstration.')
Label((0, 100),
font=font10,
value='User written and gdialog generated')
self.lbl_result = Label((10, 50),
font=font10,
fontcolor=WHITE,
width=70,
border=2,
fgcolor=RED,
bgcolor=DARKGREEN)
# User written dialog
fwdbutton(195, 242, UserDialogBox, text='User')
# Dialog built using gdialog.py DialogBox
dialog_elements = (('Yes', GREEN), ('No', RED), ('Foo', YELLOW))
fwdbutton(0,
242,
DialogBox,
text='Gen',
args=(font14, ),
kwargs={
'elements': dialog_elements,
'label': 'Test dialog'
})
quitbutton(390, 242)
def __init__(self):
super().__init__()
Label((0, 0), font=font14, value='plot module demo')
Label((0, 200),
font=font10,
value='RT: simulate realtime data acquisition')
fwdbutton(0, 242, PolarScreen, 'Polar')
fwdbutton(100, 242, XYScreen, 'XY')
fwdbutton(200, 242, RealtimeScreen, 'RT')
quitbutton(390, 242)
def __init__(self):
super().__init__()
Label((0, 0), font = font14, value = 'plot module demo.')
Label((0, 100), font = font10, value = 'RT: simulate realtime data acquisition.')
Label((0, 140), font = font10, value = 'Over, Lines: test clipping.')
fwdbutton(0, 242, PolarScreen, 'Polar')
fwdbutton(100, 242, XYScreen, 'XY')
fwdbutton(200, 242, RealtimeScreen, 'RT')
fwdbutton(0, 200, PolarORScreen, 'Over')
fwdbutton(100, 200, DiscontScreen, 'Lines')
quitbutton(390, 242)
def __init__(self):
super().__init__()
Label((0, 0), font = font14, value = 'Green dial runs only')
Label((0, 30), font = font14, value = 'when screen is visible')
Label((0, 120), font = font14, value = "Yellow dial's value is")
Label((0, 150), font = font14, value = 'computed continuously.')
self.dial1 = Dial((350, 10), fgcolor = GREEN, border = 2, pointers = (0.9, 0.7))
self.dial2 = Dial((350, 120), fgcolor = YELLOW, border = 2, pointers = (0.9, 0.7))
self.pause = False # asyncio can't pause coros so handle at application level
loop = asyncio.get_event_loop()
loop.create_task(self.mainthread(self.dial1, True))
loop.create_task(self.mainthread(self.dial2))
fwdbutton(0, 242, BackScreen)
backbutton(390, 242)
def __init__(self):
super().__init__()
# Common args for the labels
labels = { 'width' : 70,
'fontcolor' : WHITE,
'border' : 2,
'fgcolor' : RED,
'bgcolor' : (0, 40, 0),
}
# Common arguments for all three sliders
table = {'fontcolor' : WHITE,
'legends' : ('0', '5', '10'),
}
backbutton(390, 242)
fwdbutton(0, 242, BackScreen)
self.lstlbl = []
for n in range(3):
self.lstlbl.append(Label((80 * n, 215), font = font10, **labels))
y = 5
self.slave1 = Slider((80, y), font = font10,
fgcolor = GREEN, cb_end = self.callback, cbe_args = ('Slave1',), cb_move = self.slave_moved, cbm_args = (1,), **table)
self.slave2 = Slider((160, y), font = font10,
fgcolor = GREEN, cb_end = self.callback, cbe_args = ('Slave2',), cb_move = self.slave_moved, cbm_args = (2,), **table)
master = Slider((0, y), font = font10,
fgcolor = YELLOW, cb_end = self.callback, cbe_args = ('Master',), cb_move = self.master_moved,
cbm_args = (0,), value=0.5, border = 2, **table)
def __init__(self):
super().__init__()
Label((0, 0), font=font14, value='Multiple screen demonstration.')
fwdbutton(0, 242, KnobScreen, 'Knobs')
fwdbutton(100, 242, SliderScreen, 'Sliders')
fwdbutton(200, 242, AssortedScreen, 'Various')
fwdbutton(0, 100, ThreadScreen, 'Threads')
quitbutton(390, 242)
def __init__(self):
super().__init__()
Label((0, 0), font=font14, value='Green dial runs only')
Label((0, 30), font=font14, value='when screen is visible')
Label((0, 120), font=font14, value="Yellow dial's value is")
Label((0, 150), font=font14, value='computed continuously.')
self.dial1 = Dial((350, 10),
fgcolor=GREEN,
border=2,
pointers=(0.9, 0.7))
self.dial2 = Dial((350, 120),
fgcolor=YELLOW,
border=2,
pointers=(0.9, 0.7))
self.pid1 = Screen.objsched.add_thread(self.mainthread(self.dial1))
Screen.objsched.pause(self.pid1)
Screen.objsched.add_thread(self.mainthread(self.dial2))
fwdbutton(0, 242, BackScreen)
backbutton(390, 242)
def __init__(self):
super().__init__()
backbutton(390, 242)
fwdbutton(0, 242, BackScreen)
labels = {
'width': 70,
'fontcolor': WHITE,
'border': 2,
'fgcolor': RED,
'bgcolor': (0, 40, 0),
}
lstlbl = []
for n in range(2):
lstlbl.append(Label((120, 120 + 40 * n), font=font10, **labels))
lbl_1 = Label((120, 120), font=font10, **labels)
lbl_2 = Label((120, 160), font=font10, **labels)
meter1 = Meter((320, 0),
font=font10,
legends=('0', '5', '10'),
pointercolor=YELLOW,
fgcolor=GREEN)
dial1 = Dial((120, 0), fgcolor=YELLOW, border=2, pointers=(0.9, 0.7))
Knob((0, 0),
fgcolor=GREEN,
bgcolor=(0, 0, 80),
color=(168, 63, 63),
border=2,
cb_end=self.callback,
cbe_args=['Knob1'],
cb_move=self.knob_moved,
cbm_args=[dial1, 0, lbl_1, meter1])
Knob((0, 120),
fgcolor=WHITE,
border=2,
cb_move=self.knob_moved,
cbm_args=[dial1, 1, lbl_2],
cb_end=self.callback,
cbe_args=['Knob2'],
arc=pi * 1.5)
def __init__(self):
super().__init__()
Button((390, 240), font = font14, callback = self.quit, fgcolor = RED,
text = 'Quit', shape = RECTANGLE, width = 80, height = 30)
self.dial = Dial((120, 0), fgcolor = YELLOW, border = 2, pointers = (0.9, 0.7))
k0 = Knob((0, 0), fgcolor = GREEN, bgcolor=(0, 0, 80), color = (168,63,63), border = 2,
cb_end = self.callback, cbe_args = ['Knob1'], cb_move = self.knob_moved, cbm_args = (0,))
k1 = Knob((0, 120), fgcolor = WHITE, border = 2, arc = pi * 1.5,
cb_end = self.callback, cbe_args = ['Knob2'], cb_move = self.knob_moved, cbm_args = (1,))
# Dropdown
self.lbl_dd = Label((120, 120), font = font14, width = 100, border = 2, bgcolor = (0, 40, 0), fgcolor = RED)
self.dropdown = Dropdown((280, 0), font = font14, width = 100, callback = self.cbdb,
elements = ('Dog', 'Cat', 'Rat', 'Goat', 'Snake', 'Pig'))
Button((280, 70), font = font14, callback = self.set_dropdown, fgcolor = BLUE,
text = 'Reset', shape = RECTANGLE, width = 80, height = 30) # Test of set by value
Button((280, 120), font = font14, callback = self.set_bytext, args = ('Snake',), fgcolor = CYAN,
fontcolor = BLACK, text = 'Snake', shape = RECTANGLE, width = 80, height = 30) # test set by text
# Listbox
self.listbox = Listbox((370, 70), font = font14, width = 105,
bgcolor = GREY, fgcolor = YELLOW, select_color = BLUE,
elements = ('aardvark', 'zebra', 'armadillo', 'warthog'),
callback = self.cblb)
# On/Off toggle grey style
self.lbl_style = Label((170, 210), font = font10, value = 'Current style: grey')
bstyle = ButtonList(self.cb_style)
bstyle.add_button((170, 240), font = font14, fontcolor = WHITE, height = 30, width = 90,
fgcolor = RED, shape = RECTANGLE, text = 'Dim', args = (False,))
bstyle.add_button((170, 240), font = font14, fontcolor = WHITE, height = 30, width = 90,
fgcolor = GREEN, shape = RECTANGLE, text = 'Grey', args = (True,))
# On/Off toggle enable/disable
bs = ButtonList(self.cb_en_dis)
self.lst_en_dis = (bstyle, k0, k1, self.dropdown, self.listbox)
bs.add_button((280, 240), font = font14, fontcolor = BLACK, height = 30, width = 90,
fgcolor = GREEN, shape = RECTANGLE, text = 'Disable', args = (True,))
bs.add_button((280, 240), font = font14, fontcolor = BLACK, height = 30, width = 90,
fgcolor = RED, shape = RECTANGLE, text = 'Enable', args = (False,))
def __init__(self):
super().__init__()
labels = { 'width' : 70,
'fontcolor' : WHITE,
'border' : 2,
'fgcolor' : RED,
'bgcolor' : (0, 40, 0),
'font' : font14,
}
radiobuttons = [
{'text' : '1', 'args' : ['1']},
{'text' : '2', 'args' : ['2']},
{'text' : '3', 'args' : ['3']},
{'text' : '4', 'args' : ['4']},
]
buttonlist = [
{'fgcolor' : GREEN, 'shape' : CLIPPED_RECT, 'text' : 'Start', 'args' : ['Live']},
{'fgcolor' : RED, 'shape' : CLIPPED_RECT, 'text' : 'Stop', 'args' : ['Die']},
]
backbutton(390, 242)
fwdbutton(0, 242, BackScreen)
lstlbl = []
for n in range(4):
lstlbl.append(Label((350, 40 * n), **labels))
self.led = LED((440, 0), border = 2)
Checkbox((300, 0), callback = self.cbcb, args = [lstlbl[0], False])
Checkbox((300, 40), fillcolor = RED, callback = self.cbcb, args = [lstlbl[1], True])
# On/Off toggle
x = 1
bs = ButtonList(self.callback)
bs0 = None
for t in buttonlist: # Buttons overlay each other at same location
t['args'].append(lstlbl[2])
button = bs.add_button((x, 120), font = font14, fontcolor = BLACK, **t)
if bs0 is None:
bs0 = button
# Radio buttons
x = 1
rb = RadioButtons(BLUE, self.callback) # color of selected button
for t in radiobuttons:
t['args'].append(lstlbl[3])
button = rb.add_button((x, 180), font = font14, fontcolor = WHITE,
fgcolor = (0, 0, 90), height = 40, width = 40, **t)
x += 60
def __init__(self):
super().__init__()
# Common args for the labels
labels = { 'width' : 70,
'fontcolor' : WHITE,
'border' : 2,
'fgcolor' : RED,
'bgcolor' : (0, 40, 0),
}
# Common arguments for all three sliders
table = {'fontcolor' : WHITE,
'legends' : ('0', '5', '10'),
'cb_end' : self.slide_release,
}
self.led = LED((420, 0), border = 2)
meter1 = Meter((320, 0), font=font10, legends=('0','5','10'), pointercolor = YELLOW, fgcolor = GREEN)
meter2 = Meter((360, 0), font=font10, legends=('0','5','10'), pointercolor = YELLOW)
btnquit = Button((390, 240), font = font14, callback = self.quit, fgcolor = RED,
text = 'Quit', shape = RECTANGLE, width = 80, height = 30)
# Create labels
x = 230
lstlbl = []
for n in range(3):
lstlbl.append(Label((x, 40 + 60 * n), font = font10, **labels))
# Sliders
x = 10
self.slave1 = HorizSlider((x, 100), font = font10, fgcolor = GREEN, cbe_args = ('Slave1',),
cb_move = self.slave_moved, cbm_args = (lstlbl[1],), **table)
self.slave2 = HorizSlider((x, 160), font = font10, fgcolor = GREEN, cbe_args = ('Slave2',),
cb_move = self.slave_moved, cbm_args = (lstlbl[2],), **table)
master = HorizSlider((x, 40), font = font10, fgcolor = YELLOW, cbe_args = ('Master',),
cb_move = self.master_moved, slidecolor=RED, border = 2,
cbm_args = (lstlbl[0],), value=0.5, **table)
# On/Off toggle: enable/disable
bs = ButtonList(self.cb_en_dis)
self.lst_en_dis = [self.slave1, btnquit]
button = bs.add_button((280, 240), font = font14, fontcolor = BLACK, height = 30, width = 90,
fgcolor = GREEN, shape = RECTANGLE, text = 'Disable', args = (True,))
button = bs.add_button((280, 240), font = font14, fontcolor = BLACK, height = 30, width = 90,
fgcolor = RED, shape = RECTANGLE, text = 'Enable', args = (False,))
# Threads to test meters
Screen.objsched.add_thread(self.testmeter(meter1))
Screen.objsched.add_thread(self.testmeter(meter2))
def __init__(self):
super().__init__()
Label((0, 0), font=font14, value='Ensure back refreshes properly')
backbutton(390, 242)
self.open_arg = 'Opening'
self.hide_arg = 'Hiding'
def __init__(self):
super().__init__()
# Common args for the labels
labels = {
'width': 70,
'fontcolor': WHITE,
'border': 2,
'fgcolor': RED,
'bgcolor': (0, 40, 0),
}
# Common args for all three sliders
table = {
'fontcolor': WHITE,
'legends': ('0', '5', '10'),
'cb_end': self.callback,
}
btnquit = Button((390, 240),
font=font14,
callback=self.quit,
fgcolor=RED,
text='Quit',
shape=RECTANGLE,
width=80,
height=30)
self.dial1 = Dial((350, 10),
fgcolor=YELLOW,
border=2,
pointers=(0.9, 0.7))
self.dial2 = Dial((350, 120),
fgcolor=YELLOW,
border=2,
pointers=(0.9, 0.7))
self.lstlbl = []
for n in range(3):
self.lstlbl.append(Label((80 * n, 240), font=font10, **labels))
y = 5
self.slave1 = Slider((80, y),
font=font10,
fgcolor=GREEN,
cbe_args=('Slave1', ),
cb_move=self.slave_moved,
cbm_args=(1, ),
**table)
self.slave2 = Slider((160, y),
font=font10,
fgcolor=GREEN,
cbe_args=('Slave2', ),
cb_move=self.slave_moved,
cbm_args=(2, ),
**table)
master = Slider((0, y),
font=font10,
fgcolor=YELLOW,
cbe_args=('Master', ),
cb_move=self.master_moved,
value=0.5,
border=2,
**table)
Screen.objsched.add_thread(self.thread1())
Screen.objsched.add_thread(self.thread2())
# On/Off toggle: enable/disable quit button and one slider
bs = ButtonList(self.cb_en_dis)
lst_en_dis = [self.slave1, btnquit]
button = bs.add_button((280, 240),
font=font14,
fontcolor=BLACK,
height=30,
width=90,
fgcolor=GREEN,
shape=RECTANGLE,
text='Disable',
args=[True, lst_en_dis])
button = bs.add_button((280, 240),
font=font14,
fontcolor=BLACK,
height=30,
width=90,
fgcolor=RED,
shape=RECTANGLE,
text='Enable',
args=[False, lst_en_dis])
class KnobScreen(Screen):
def __init__(self):
super().__init__()
Button((390, 240),
font=font14,
callback=self.quit,
fgcolor=RED,
text='Quit',
shape=RECTANGLE,
width=80,
height=30)
self.dial = Dial((120, 0),
fgcolor=YELLOW,
border=2,
pointers=(0.9, 0.7))
k0 = Knob((0, 0),
fgcolor=GREEN,
bgcolor=(0, 0, 80),
color=(168, 63, 63),
border=2,
cb_end=self.callback,
cbe_args=['Knob1'],
cb_move=self.knob_moved,
cbm_args=(0, ))
k1 = Knob((0, 120),
fgcolor=WHITE,
border=2,
arc=pi * 1.5,
cb_end=self.callback,
cbe_args=['Knob2'],
cb_move=self.knob_moved,
cbm_args=(1, ))
# Dropdown
self.lbl_dd = Label((120, 120),
font=font14,
width=100,
border=2,
bgcolor=(0, 40, 0),
fgcolor=RED)
self.dropdown = Dropdown(
(280, 0),
font=font14,
width=100,
callback=self.cbdb,
elements=('Dog', 'Cat', 'Rat', 'Goat', 'Snake', 'Pig'))
Button((280, 70),
font=font14,
callback=self.set_dropdown,
fgcolor=BLUE,
text='Reset',
shape=RECTANGLE,
width=80,
height=30) # Test of set by value
Button((280, 120),
font=font14,
callback=self.set_bytext,
args=('Snake', ),
fgcolor=CYAN,
fontcolor=BLACK,
text='Snake',
shape=RECTANGLE,
width=80,
height=30) # test set by text
# Listbox
self.listbox = Listbox(
(370, 70),
font=font14,
width=105,
bgcolor=GREY,
fgcolor=YELLOW,
select_color=BLUE,
elements=('aardvark', 'zebra', 'armadillo', 'warthog'),
callback=self.cblb)
# On/Off toggle grey style
self.lbl_style = Label((170, 210),
font=font10,
value='Current style: grey')
bstyle = ButtonList(self.cb_style)
bstyle.add_button((170, 240),
font=font14,
fontcolor=WHITE,
height=30,
width=90,
fgcolor=RED,
shape=RECTANGLE,
text='Dim',
args=(False, ))
bstyle.add_button((170, 240),
font=font14,
fontcolor=WHITE,
height=30,
width=90,
fgcolor=GREEN,
shape=RECTANGLE,
text='Grey',
args=(True, ))
# On/Off toggle enable/disable
bs = ButtonList(self.cb_en_dis)
self.lst_en_dis = (bstyle, k0, k1, self.dropdown, self.listbox)
bs.add_button((280, 240),
font=font14,
fontcolor=BLACK,
height=30,
width=90,
fgcolor=GREEN,
shape=RECTANGLE,
text='Disable',
args=(True, ))
bs.add_button((280, 240),
font=font14,
fontcolor=BLACK,
height=30,
width=90,
fgcolor=RED,
shape=RECTANGLE,
text='Enable',
args=(False, ))
# CALLBACKS
# cb_end occurs when user stops touching the control
def callback(self, knob, control_name):
print('{} returned {}'.format(control_name, knob.value()))
def knob_moved(self, knob, pointer):
val = knob.value() # range 0..1
self.dial.value(2 * (val - 0.5) * pi, pointer)
def quit(self, button):
Screen.shutdown()
def cb_en_dis(self, button, disable):
for item in self.lst_en_dis:
item.greyed_out(disable)
def cb_style(self, button, desaturate):
self.lbl_style.value(''.join(
('Current style: ', 'grey' if desaturate else 'dim')))
Screen.set_grey_style(desaturate=desaturate)
def cbdb(self, dropdown):
self.lbl_dd.value(dropdown.textvalue())
def cblb(self, listbox):
print(listbox.textvalue())
def set_dropdown(self, button):
self.dropdown.value(0)
def set_bytext(self, button, txt):
self.dropdown.textvalue(txt)
def __init__(self):
super().__init__()
Label((0, 0), font = font10, value = 'Ensure back refreshes properly')
backbutton(390, 242)
def __init__(self):
super().__init__()
# Label common attributes
labels = {
'width': 70,
'fontcolor': WHITE,
'border': 2,
'fgcolor': RED,
'bgcolor': (0, 40, 0),
'font': font14,
}
# Static labels
Label((90, 0), font=font10, value='Flashing buttons')
Label((90, 18), font=font10, value='(RH responds to long press)')
Label((244, lr(1) + 5), font=font10, value='Reset radio button')
Label((244, lr(2) + 5), font=font10, value='Reset checkbox')
Label((244, lr(3) + 5), font=font10, value='Disable rb, checkbox')
Label((370, 243), font=font14, value='Quit')
# Dynamic labels
self.lstlbl = []
for n in range(4):
self.lstlbl.append(Label((400, lr(n)), **labels))
# Flashing buttons (RH one responds to long press)
IconButton((10, lr(0)),
icon_module=flash,
flash=1.0,
callback=self.callback,
args=('A', 0))
IconButton((50, lr(0)),
icon_module=flash,
flash=1.0,
callback=self.callback,
args=('Short', 0),
lp_callback=self.callback,
lp_args=('Long', 0),
onrelease=False)
# Quit button
IconButton((420, 240), icon_module=radiobutton, callback=self.quit)
# Radio buttons
rb = IconRadioButtons(callback=self.callback)
rb0 = rb.add_button((10, lr(1)),
icon_module=radiobutton,
args=('1', 1))
rb.add_button((50, lr(1)), icon_module=radiobutton, args=('2', 1))
rb.add_button((90, lr(1)), icon_module=radiobutton, args=('3', 1))
rb.add_button((130, lr(1)), icon_module=radiobutton, args=('4', 1))
# Checkbox
cb = IconButton((10, lr(2)),
icon_module=threestate,
toggle=True,
callback=self.cbcb,
args=(2, ))
# Traffic light state change button
IconButton((10, lr(4)), icon_module=traffic, toggle=True)
# Reset buttons
IconButton((200, lr(1)),
icon_module=radiobutton,
callback=self.rb_cancel,
args=(rb, rb0))
IconButton((200, lr(2)),
icon_module=radiobutton,
callback=self.cb_cancel,
args=(cb, ))
# Switch
sw = IconButton((10, lr(3)),
icon_module=iconswitch,
callback=self.cbswitch,
toggle=True,
args=(3, ))
# Disable Checkbox
IconButton((200, lr(3)),
icon_module=checkbox,
toggle=True,
callback=self.cb_en_dis,
args=((cb, rb, sw), ))
# Gauge
ig = IconGauge((80, lr(5)), icon_module=gauge)
loop = asyncio.get_event_loop()
loop.create_task(self.mainthread(ig))
class KnobScreen(Screen):
def __init__(self):
super().__init__()
Button((390, 240), font = font14, callback = self.quit, fgcolor = RED,
text = 'Quit', shape = RECTANGLE, width = 80, height = 30)
self.dial = Dial((120, 0), fgcolor = YELLOW, border = 2, pointers = (0.9, 0.7))
k0 = Knob((0, 0), fgcolor = GREEN, bgcolor=(0, 0, 80), color = (168,63,63), border = 2,
cb_end = self.callback, cbe_args = ['Knob1'], cb_move = self.knob_moved, cbm_args = (0,))
k1 = Knob((0, 120), fgcolor = WHITE, border = 2, arc = pi * 1.5,
cb_end = self.callback, cbe_args = ['Knob2'], cb_move = self.knob_moved, cbm_args = (1,))
# Dropdown
self.lbl_dd = Label((120, 120), font = font14, width = 100, border = 2, bgcolor = (0, 40, 0), fgcolor = RED)
self.dropdown = Dropdown((280, 0), font = font14, width = 100, callback = self.cbdb,
elements = ('Dog', 'Cat', 'Rat', 'Goat', 'Snake', 'Pig'))
Button((280, 70), font = font14, callback = self.set_dropdown, fgcolor = BLUE,
text = 'Reset', shape = RECTANGLE, width = 80, height = 30) # Test of set by value
Button((280, 120), font = font14, callback = self.set_bytext, args = ('Snake',), fgcolor = CYAN,
fontcolor = BLACK, text = 'Snake', shape = RECTANGLE, width = 80, height = 30) # test set by text
# Listbox
self.listbox = Listbox((370, 70), font = font14, width = 105,
bgcolor = GREY, fgcolor = YELLOW, select_color = BLUE,
elements = ('aardvark', 'zebra', 'armadillo', 'warthog'),
callback = self.cblb)
# On/Off toggle grey style
self.lbl_style = Label((170, 210), font = font10, value = 'Current style: grey')
bstyle = ButtonList(self.cb_style)
bstyle.add_button((170, 240), font = font14, fontcolor = WHITE, height = 30, width = 90,
fgcolor = RED, shape = RECTANGLE, text = 'Dim', args = (False,))
bstyle.add_button((170, 240), font = font14, fontcolor = WHITE, height = 30, width = 90,
fgcolor = GREEN, shape = RECTANGLE, text = 'Grey', args = (True,))
# On/Off toggle enable/disable
bs = ButtonList(self.cb_en_dis)
self.lst_en_dis = (bstyle, k0, k1, self.dropdown, self.listbox)
bs.add_button((280, 240), font = font14, fontcolor = BLACK, height = 30, width = 90,
fgcolor = GREEN, shape = RECTANGLE, text = 'Disable', args = (True,))
bs.add_button((280, 240), font = font14, fontcolor = BLACK, height = 30, width = 90,
fgcolor = RED, shape = RECTANGLE, text = 'Enable', args = (False,))
# CALLBACKS
# cb_end occurs when user stops touching the control
def callback(self, knob, control_name):
print('{} returned {}'.format(control_name, knob.value()))
def knob_moved(self, knob, pointer):
val = knob.value() # range 0..1
self.dial.value(2 * (val - 0.5) * pi, pointer)
def quit(self, button):
Screen.shutdown()
def cb_en_dis(self, button, disable):
for item in self.lst_en_dis:
item.greyed_out(disable)
def cb_style(self, button, desaturate):
self.lbl_style.value(''.join(('Current style: ', 'grey' if desaturate else 'dim')))
Screen.set_grey_style(desaturate = desaturate)
def cbdb(self, dropdown):
self.lbl_dd.value(dropdown.textvalue())
def cblb(self, listbox):
print(listbox.textvalue())
def set_dropdown(self, button):
self.dropdown.value(0)
def set_bytext(self, button, txt):
self.dropdown.textvalue(txt)
def __init__(self):
super().__init__()
Button((390, 240),
font=font14,
callback=self.quit,
fgcolor=RED,
text='Quit',
shape=RECTANGLE,
width=80,
height=30)
self.dial = Dial((120, 0),
fgcolor=YELLOW,
border=2,
pointers=(0.9, 0.7))
k0 = Knob((0, 0),
fgcolor=GREEN,
bgcolor=(0, 0, 80),
color=(168, 63, 63),
border=2,
cb_end=self.callback,
cbe_args=['Knob1'],
cb_move=self.knob_moved,
cbm_args=(0, ))
k1 = Knob((0, 120),
fgcolor=WHITE,
border=2,
arc=pi * 1.5,
cb_end=self.callback,
cbe_args=['Knob2'],
cb_move=self.knob_moved,
cbm_args=(1, ))
# Dropdown
self.lbl_dd = Label((120, 120),
font=font14,
width=100,
border=2,
bgcolor=(0, 40, 0),
fgcolor=RED)
self.dropdown = Dropdown(
(280, 0),
font=font14,
width=100,
callback=self.cbdb,
elements=('Dog', 'Cat', 'Rat', 'Goat', 'Snake', 'Pig'))
Button((280, 70),
font=font14,
callback=self.set_dropdown,
fgcolor=BLUE,
text='Reset',
shape=RECTANGLE,
width=80,
height=30) # Test of set by value
Button((280, 120),
font=font14,
callback=self.set_bytext,
args=('Snake', ),
fgcolor=CYAN,
fontcolor=BLACK,
text='Snake',
shape=RECTANGLE,
width=80,
height=30) # test set by text
# Listbox
self.listbox = Listbox(
(370, 70),
font=font14,
width=105,
bgcolor=GREY,
fgcolor=YELLOW,
select_color=BLUE,
elements=('aardvark', 'zebra', 'armadillo', 'warthog'),
callback=self.cblb)
# On/Off toggle grey style
self.lbl_style = Label((170, 210),
font=font10,
value='Current style: grey')
bstyle = ButtonList(self.cb_style)
bstyle.add_button((170, 240),
font=font14,
fontcolor=WHITE,
height=30,
width=90,
fgcolor=RED,
shape=RECTANGLE,
text='Dim',
args=(False, ))
bstyle.add_button((170, 240),
font=font14,
fontcolor=WHITE,
height=30,
width=90,
fgcolor=GREEN,
shape=RECTANGLE,
text='Grey',
args=(True, ))
# On/Off toggle enable/disable
bs = ButtonList(self.cb_en_dis)
self.lst_en_dis = (bstyle, k0, k1, self.dropdown, self.listbox)
bs.add_button((280, 240),
font=font14,
fontcolor=BLACK,
height=30,
width=90,
fgcolor=GREEN,
shape=RECTANGLE,
text='Disable',
args=(True, ))
bs.add_button((280, 240),
font=font14,
fontcolor=BLACK,
height=30,
width=90,
fgcolor=RED,
shape=RECTANGLE,
text='Enable',
args=(False, ))
def __init__(self):
super().__init__()
# These tables contain args that differ between members of a set of related buttons
table = [
{'fgcolor' : GREEN, 'text' : 'Yes', 'args' : ('Oui', 2), 'fontcolor' : (0, 0, 0)},
{'fgcolor' : RED, 'text' : 'No', 'args' : ('Non', 2)},
{'fgcolor' : BLUE, 'text' : '???', 'args' : ('Que?', 2), 'fill': False},
{'fgcolor' : GREY, 'text' : 'Rats', 'args' : ('Rats', 2), 'shape' : CLIPPED_RECT,},
]
# Highlight buttons: only tabulate data that varies
table_highlight = [
{'text' : 'P', 'args' : ('p', 2)},
{'text' : 'Q', 'args' : ('q', 2)},
{'text' : 'R', 'args' : ('r', 2)},
{'text' : 'S', 'args' : ('s', 2)},
]
# A Buttonset with two entries
table_buttonset = [
{'fgcolor' : GREEN, 'shape' : CLIPPED_RECT, 'text' : 'Start', 'args' : ('Live', 2)},
{'fgcolor' : RED, 'shape' : CLIPPED_RECT, 'text' : 'Stop', 'args' : ('Die', 2)},
]
table_radiobuttons = [
{'text' : '1', 'args' : ('1', 3)},
{'text' : '2', 'args' : ('2', 3)},
{'text' : '3', 'args' : ('3', 3)},
{'text' : '4', 'args' : ('4', 3)},
]
labels = { 'width' : 70,
'fontcolor' : WHITE,
'border' : 2,
'fgcolor' : RED,
'bgcolor' : (0, 40, 0),
'font' : font14,
}
# Uncomment this line to see 'skeleton' style greying-out:
# Screen.tft.grey_color()
# Labels
self.lstlbl = []
for n in range(5):
self.lstlbl.append(Label((390, 40 * n), **labels))
# Button assortment
x = 0
for t in table:
Button((x, 0), font = font14, callback = self.callback, **t)
x += 70
# Highlighting buttons
x = 0
for t in table_highlight:
Button((x, 60), fgcolor = GREY, fontcolor = BLACK, litcolor = WHITE,
font = font14, callback = self.callback, **t)
x += 70
# Start/Stop toggle
self.bs = ButtonList(self.callback)
self.bs0 = None
for t in table_buttonset: # Buttons overlay each other at same location
button = self.bs.add_button((0, 240), font = font14, fontcolor = BLACK, height = 30, **t)
if self.bs0 is None: # Save for reset button callback
self.bs0 = button
# Radio buttons
x = 0
self.rb = RadioButtons(BLUE, self.callback) # color of selected button
self.rb0 = None
for t in table_radiobuttons:
button = self.rb.add_button((x, 140), font = font14, fontcolor = WHITE,
fgcolor = (0, 0, 90), height = 40, width = 40, **t)
if self.rb0 is None: # Save for reset button callback
self.rb0 = button
x += 60
# Checkbox
self.cb1 = Checkbox((340, 0), callback = self.cbcb, args = (0,))
self.cb2 = Checkbox((340, 40), fillcolor = RED, callback = self.cbcb, args = (1,))
# Reset button
self.lbl_reset = Label((200, 220), font = font10, value = 'Reset also responds to long press')
self.btn_reset = Button((300, 240), font = font14, height = 30, width = 80,
fgcolor = BLUE, shape = RECTANGLE, text = 'Reset', fill = True,
callback = self.cbreset, args = (4,), onrelease = False,
lp_callback = self.callback, lp_args = ('long', 4))
# Quit
self.btn_quit = Button((390, 240), font = font14, height = 30, width = 80,
fgcolor = RED, shape = RECTANGLE, text = 'Quit',
callback = self.quit)
# Enable/Disable toggle
self.bs_en = ButtonList(self.cb_en_dis)
self.tup_en_dis = (self.cb1, self.cb2, self.rb, self.bs) # Items affected by enable/disable button
self.bs_en.add_button((200, 240), font = font14, fontcolor = BLACK, height = 30, width = 90,
fgcolor = GREEN, shape = RECTANGLE, text = 'Disable', args = (True,))
self.bs_en.add_button((200, 240), font = font14, fontcolor = BLACK, height = 30, width = 90,
fgcolor = RED, shape = RECTANGLE, text = 'Enable', args = (False,))
