101 lines
3.8 KiB
Python
101 lines
3.8 KiB
Python
#!/usr/bin/env python
|
|
import sys
|
|
import PySimpleGUI as sg
|
|
|
|
|
|
# Robotics design pattern
|
|
# Uses Realtime Buttons to simulate the controls for a robot
|
|
# Rather than sending a single click when a button is clicked, Realtime Buttons
|
|
# send button presses continuously while the button is pressed down.
|
|
# Two examples, one using fancy graphics, one plain.
|
|
|
|
def RemoteControlExample():
|
|
# Make a form, but don't use context manager
|
|
sg.set_options(element_padding=(0,0))
|
|
back = '#eeeeee'
|
|
|
|
sg.set_options(border_width=0,
|
|
button_color=('black', back),
|
|
background_color=back,
|
|
element_background_color=back,
|
|
text_element_background_color=back)
|
|
|
|
mypad = ((50,0),0)
|
|
layout = [[sg.Text('Robotics Remote Control')],
|
|
[sg.Text('', justification='center', size=(19,1), key='status')],
|
|
[ sg.RealtimeButton('', key='Forward', pad=mypad)],
|
|
[ sg.RealtimeButton('', key='Left', ),
|
|
sg.RealtimeButton('', key='Right', pad=mypad)],
|
|
[ sg.RealtimeButton('', key='Reverse', pad=mypad)],
|
|
[sg.Text('')],
|
|
[sg.Quit(button_color=('black', 'orange'))]]
|
|
|
|
window = sg.Window('Robotics Remote Control', layout, grab_anywhere=False)
|
|
|
|
#
|
|
# 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
|
|
event, values = window.read(timeout=0, timeout_key='timeout')
|
|
if event is not None:
|
|
window['status'].update(event)
|
|
elif event != 'timeout':
|
|
window['status'].update('')
|
|
# if user clicked quit button OR closed the form using the X, then break out of loop
|
|
if event == 'Quit' or values is None:
|
|
break
|
|
|
|
window.close()
|
|
|
|
|
|
def RemoteControlExample_NoGraphics():
|
|
# Make a form, but don't use context manager
|
|
|
|
layout = [[sg.Text('Robotics Remote Control', justification='center')],
|
|
[sg.Text('', justification='center', size=(19,1), key='status')],
|
|
[sg.Text(' '*8), sg.RealtimeButton('Forward')],
|
|
[ sg.RealtimeButton('Left'), sg.Text(' '), sg.RealtimeButton('Right')],
|
|
[sg.Text(' '*8), sg.RealtimeButton('Reverse')],
|
|
[sg.Text('')],
|
|
[sg.Quit(button_color=('black', 'orange'))]]
|
|
# Display form to user
|
|
window = sg.Window('Robotics Remote Control', layout, grab_anywhere=False)
|
|
|
|
#
|
|
# Some place later in your code...
|
|
# You need to perform a Read on your form every now and then or
|
|
# else it won't refresh.
|
|
# Notice how the timeout is 100ms. You don't have to use a timeout = 0 for all of your hardware
|
|
# applications. Leave some CPU for other threads or for your GUI. The longer you are in the GUI, the more
|
|
# responsive the GUI itself will be Match your timeout with your hardware's capabilities
|
|
#
|
|
# your program's main loop
|
|
while True :
|
|
# This is the code that reads and updates your window
|
|
event, values = window.read(timeout=100, timeout_key='timeout')
|
|
# print(event, values)
|
|
if event != 'timeout':
|
|
window['status'].update(event)
|
|
else:
|
|
window['status'].update('')
|
|
# if user clicked quit button OR closed the form using the X, then break out of loop
|
|
if event in (sg.WIN_CLOSED, 'Quit'):
|
|
break
|
|
|
|
window.close()
|
|
|
|
# ------------------------------------- main -------------------------------------
|
|
def main():
|
|
RemoteControlExample_NoGraphics()
|
|
# Uncomment to get the fancy graphics version. Be sure and download the button images!
|
|
RemoteControlExample()
|
|
# sg.popup('End of non-blocking demonstration')
|
|
|
|
if __name__ == '__main__':
|
|
|
|
main()
|