kopia lustrzana https://github.com/peterhinch/micropython-micro-gui
42 wiersze
1.2 KiB
Python
42 wiersze
1.2 KiB
Python
|
# slider_label.py Minimal micro-gui demo showing a Slider controlling a Label.
|
||
|
|
|
||
|
|
# hardware_setup must be imported before other modules because of RAM use.
|
||
|
|
import hardware_setup # Create a display instance
|
||
|
|
from gui.core.ugui import Screen, ssd
|
||
|
|
|
||
|
|
from gui.widgets.buttons import CloseButton
|
||
|
|
from gui.widgets.sliders import Slider
|
||
|
|
from gui.widgets.label import Label
|
||
|
|
from gui.core.writer import CWriter
|
||
|
|
|
||
|
|
# Font for CWriter
|
||
|
|
import gui.fonts.arial10 as arial10
|
||
|
|
from gui.core.colors import *
|
||
|
|
|
||
|
|
|
||
|
|
class BaseScreen(Screen):
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
|
||
|
|
super().__init__()
|
||
|
|
wri = CWriter(ssd, arial10, GREEN, BLACK, verbose=False)
|
||
|
|
col = 2
|
||
|
|
row = 2
|
||
|
|
self.lbl = Label(wri, row + 45, col + 50, 35, bdcolor=RED, bgcolor=DARKGREEN)
|
||
|
|
# Instntiate Label first, because Slider callback will run now.
|
||
|
|
# See linked_sliders.py for another approach.
|
||
|
|
Slider(wri, row, col, callback=self.slider_cb,
|
||
|
|
bdcolor=RED, slotcolor=BLUE,
|
||
|
|
legends=('0.0', '0.5', '1.0'), value=0.5)
|
||
|
|
CloseButton(wri)
|
||
|
|
|
||
|
|
def slider_cb(self, s):
|
||
|
|
v = s.value()
|
||
|
|
self.lbl.value('{:5.3f}'.format(v))
|
||
|
|
|
||
|
|
def test():
|
||
|
|
print('Slider Label demo. Long press select for precision mode.')
|
||
|
|
Screen.change(BaseScreen)
|
||
|
|
|
||
|
|
test()
|