110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
import PySimpleGUI as sg
|
|
import time
|
|
|
|
|
|
# form that doen't block
|
|
# good for applications with an loop that polls hardware
|
|
def StatusOutputExample():
|
|
# Make a form, but don't use context manager
|
|
form = sg.FlexForm('Running Timer', auto_size_text=True)
|
|
# Create a text element that will be updated with status information on the GUI itself
|
|
output_element = sg.Text('', size=(8, 2), font=('Helvetica', 20), justification='center')
|
|
# Create the rows
|
|
form_rows = [[sg.Text('Non-blocking GUI with updates')],
|
|
[output_element],
|
|
[sg.ReadFormButton('LED On'), sg.ReadFormButton('LED Off'), sg.ReadFormButton('Quit')]]
|
|
# Layout the rows of the form and perform a read. Indicate the form is non-blocking!
|
|
form.LayoutAndRead(form_rows, non_blocking=True)
|
|
|
|
#
|
|
# Some place later in your code...
|
|
# You need to perform a ReadNonBlocking on your form every now and then or
|
|
# else it won't refresh.
|
|
#
|
|
# your program's main loop
|
|
i=0
|
|
while (True):
|
|
# This is the code that reads and updates your window
|
|
output_element.Update('{:02d}:{:02d}.{:02d}'.format((i // 100) // 60, (i // 100) % 60, i % 100))
|
|
button, values = form.ReadNonBlocking()
|
|
if button == 'Quit' or values is None:
|
|
break
|
|
if button == 'LED On':
|
|
print('Turning on the LED')
|
|
elif button == 'LED Off':
|
|
print('Turning off the LED')
|
|
|
|
i += 1
|
|
# Your code begins here
|
|
time.sleep(.01)
|
|
|
|
# Broke out of main loop. Close the window.
|
|
form.CloseNonBlockingForm()
|
|
|
|
|
|
def RemoteControlExample():
|
|
# Make a form, but don't use context manager
|
|
form = sg.FlexForm('Robotics Remote Control', auto_size_text=True)
|
|
|
|
form_rows = [[sg.Text('Robotics Remote Control')],
|
|
[sg.T(' '*10), sg.RealtimeButton('Forward')],
|
|
[ sg.RealtimeButton('Left'), sg.T(' '*15), sg.RealtimeButton('Right')],
|
|
[sg.T(' '*10), sg.RealtimeButton('Reverse')],
|
|
[sg.T('')],
|
|
[sg.Quit(button_color=('black', 'orange'))]
|
|
]
|
|
|
|
form.LayoutAndRead(form_rows, non_blocking=True)
|
|
|
|
#
|
|
# Some place later in your code...
|
|
# You need to perform a ReadNonBlocking on your form every now and then or
|
|
# else it won't refresh.
|
|
#
|
|
# your program's main loop
|
|
while (True):
|
|
# This is the code that reads and updates your window
|
|
button, values = form.ReadNonBlocking()
|
|
if button is not None:
|
|
sg.Print(button)
|
|
if button == 'Quit' or values is None:
|
|
break
|
|
# time.sleep(.01)
|
|
|
|
form.CloseNonBlockingForm()
|
|
|
|
|
|
|
|
|
|
# This design pattern follows the uses a context manager to better control the resources
|
|
# It may not be realistic to use a context manager within an embedded (Pi) environment
|
|
# If on a Pi, then consider the above design patterns instead
|
|
def StatusOutputExample_context_manager():
|
|
with sg.FlexForm('Running Timer', auto_size_text=True) as form:
|
|
output_element = sg.Text('', size=(8, 2), font=('Helvetica', 20))
|
|
form_rows = [[sg.Text('Non-blocking GUI with updates')],
|
|
[output_element],
|
|
[sg.SimpleButton('Quit')]]
|
|
|
|
form.LayoutAndRead(form_rows, non_blocking=True)
|
|
|
|
for i in range(1, 1000):
|
|
output_element.Update('{:02d}:{:02d}.{:02d}'.format((i // 100) // 60, (i // 100) % 60, i % 100))
|
|
button, values = form.ReadNonBlocking()
|
|
if values is None or button == 'Quit':
|
|
break
|
|
time.sleep(.01)
|
|
else:
|
|
form.CloseNonBlockingForm()
|
|
|
|
def main():
|
|
RemoteControlExample()
|
|
StatusOutputExample()
|
|
sg.MsgBox('End of non-blocking demonstration')
|
|
# StatusOutputExample_context_manager()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
main()
|