class BaseScreen(Screen):
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 on_open(self):
self.lbl_result.value(Aperture.value())
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)
