kopia lustrzana https://github.com/peterhinch/micropython-micro-gui
54 wiersze
1.7 KiB
Python
54 wiersze
1.7 KiB
Python
# dialog.py micro-gui demo of the DialogBox class
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2021 Peter Hinch
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# hardware_setup must be imported before other modules because of RAM use.
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import hardware_setup # Create a display instance
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from gui.core.ugui import Screen, Window, ssd
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from gui.widgets import Label, Button, CloseButton, DialogBox
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from gui.core.writer import CWriter
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# Font for CWriter
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import gui.fonts.arial10 as arial10
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from gui.core.colors import *
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class BaseScreen(Screen):
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def __init__(self):
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super().__init__()
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# Callback for Button
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def fwd(button, my_kwargs):
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Screen.change(DialogBox, kwargs = my_kwargs)
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wri = CWriter(ssd, arial10, GREEN, BLACK, verbose=False)
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row = 2
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col = 2
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# Trailing spaces ensure Label is wide enough to show results
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self.lbl = Label(wri, row, col, 'Dialog box test ')
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# DialogBox constructor arguments. Here we pass all as keyword wargs.
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kwargs = {'writer' : wri, 'row': 20, 'col' : 2,
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'elements' : (('Yes', GREEN), ('No', RED), ('Foo', YELLOW)),
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'label' : 'Test dialog',
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}
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row = 30
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Button(wri, row, col, text = 'Dialog',
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bgcolor = RED, textcolor = WHITE,
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callback = fwd, args = (kwargs,))
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CloseButton(wri) # Quit the application
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# Refresh the label after DialogBox has closed (but not when
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# the screen first opens).
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def after_open(self):
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if (v := Window.value()) is not None:
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self.lbl.value('Result: {}'.format(v))
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def test():
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print('DialogBox demo.')
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Screen.change(BaseScreen)
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test()
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