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Major demo refresh.. switched everything to new function names, new design patterns

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Out with the old, in with the new!!
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MikeTheWatchGuy 2018-09-24 18:01:00 -04:00
parent 2a06683383
commit a1f4c60271
68 changed files with 706 additions and 1863 deletions
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58
Demo_NonBlocking_Form.py
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@ -1,31 +1,28 @@
import PySimpleGUI as sg
import time
# form that doen't block
# Window 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
# Create the rows
form_rows = [[sg.Text('Non-blocking GUI with updates')],
layout = [[sg.Text('Non-blocking GUI with updates')],
[sg.Text('', size=(8, 2), font=('Helvetica', 20), justification='center', key='output')],
[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)
[sg.ReadButton('LED On'), sg.ReadButton('LED Off'), sg.ReadButton('Quit')]]
# Layout the rows of the Window and perform a read. Indicate the Window is non-blocking!
window = sg.Window('Running Timer', auto_size_text=True).Layout(layout)
#
# Some place later in your code...
# You need to perform a ReadNonBlocking on your form every now and then or
# You need to perform a ReadNonBlocking on your window 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
form.FindElement('output').Update('{:02d}:{:02d}.{:02d}'.format((i // 100) // 60, (i // 100) % 60, i % 100))
button, values = form.ReadNonBlocking()
button, values = window.ReadNonBlocking()
window.FindElement('output').Update('{:02d}:{:02d}.{:02d}'.format((i // 100) // 60, (i // 100) % 60, i % 100))
if button == 'Quit' or values is None:
break
if button == 'LED On':
@ -38,14 +35,12 @@ def StatusOutputExample():
time.sleep(.01)
# Broke out of main loop. Close the window.
form.CloseNonBlockingForm()
window.CloseNonBlocking()
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')],
layout = [[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')],
@ -53,55 +48,30 @@ def RemoteControlExample():
[sg.Quit(button_color=('black', 'orange'))]
]
form.LayoutAndRead(form_rows, non_blocking=True)
window = sg.Window('Robotics Remote Control', auto_size_text=True).Layout(layout).Finalize()
#
# Some place later in your code...
# You need to perform a ReadNonBlocking on your form every now and then or
# You need to perform a ReadNonBlocking on your window 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()
button, values = window.ReadNonBlocking()
if button is not None:
print(button)
if button == 'Quit' or values is None:
break
# time.sleep(.01)
form.CloseNonBlockingForm()
window.CloseNonBlocking()
# 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()
StatusOutputExample()
sg.Popup('End of non-blocking demonstration')
# StatusOutputExample_context_manager()
if __name__ == '__main__':