100 lines
3.9 KiB
Python
100 lines
3.9 KiB
Python
#!/usr/bin/env python
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import sys
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if sys.version_info[0] >= 3:
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import PySimpleGUI as sg
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else:
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import PySimpleGUI27 as sg
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# Robotics design pattern
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# Uses Realtime Buttons to simulate the controls for a robot
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# Rather than sending a single click when a button is clicked, Realtime Buttons
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# send button presses continuously while the button is pressed down.
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# Two examples, one using fancy graphics, one plain.
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def RemoteControlExample():
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# Make a form, but don't use context manager
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sg.SetOptions(element_padding=(0,0))
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back ='#eeeeee'
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image_forward = 'ButtonGraphics/RobotForward.png'
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image_backward = 'ButtonGraphics/RobotBack.png'
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image_left = 'ButtonGraphics/RobotLeft.png'
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image_right = 'ButtonGraphics/RobotRight.png'
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sg.SetOptions(border_width=0, button_color=('black', back), background_color=back, element_background_color=back, text_element_background_color=back)
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layout = [[sg.Text('Robotics Remote Control')],
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[sg.T('', justification='center', size=(19,1), key='status')],
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[ sg.RealtimeButton('Forward', image_filename=image_forward, pad=((50,0),0))],
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[ sg.RealtimeButton('Left', image_filename=image_left), sg.RealtimeButton('Right', image_filename=image_right, pad=((50,0), 0))],
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[ sg.RealtimeButton('Reverse', image_filename=image_backward, pad=((50,0),0))],
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[sg.T('')],
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[sg.Quit(button_color=('black', 'orange'))]]
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window = sg.Window('Robotics Remote Control', auto_size_text=True, grab_anywhere=False).Layout(layout)
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#
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# Some place later in your code...
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# You need to perform a ReadNonBlocking on your form every now and then or
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# else it won't refresh.
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#
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# your program's main loop
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while (True):
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# This is the code that reads and updates your window
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event, values = window.ReadNonBlocking()
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if event is not None:
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window.FindElement('status').Update(event)
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else:
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window.FindElement('status').Update('')
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# if user clicked quit button OR closed the form using the X, then break out of loop
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if event == 'Quit' or values is None:
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break
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window.CloseNonBlocking()
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def RemoteControlExample_NoGraphics():
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# Make a form, but don't use context manager
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layout = [[sg.Text('Robotics Remote Control', justification='center')],
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[sg.T('', justification='center', size=(19,1), key='status')],
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[sg.T(' '*8), sg.RealtimeButton('Forward')],
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[ sg.RealtimeButton('Left'), sg.T(' '), sg.RealtimeButton('Right')],
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[sg.T(' '*8), sg.RealtimeButton('Reverse')],
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[sg.T('')],
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[sg.Quit(button_color=('black', 'orange'))]]
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# Display form to user
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window = sg.Window('Robotics Remote Control', auto_size_text=True, grab_anywhere=False).Layout(layout)
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#
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# Some place later in your code...
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# You need to perform a ReadNonBlocking on your form every now and then or
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# else it won't refresh.
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#
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# your program's main loop
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while (True):
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# This is the code that reads and updates your window
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event, values = window.ReadNonBlocking()
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if event is not None:
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window.FindElement('status').Update(event)
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else:
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window.FindElement('status').Update('')
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# if user clicked quit button OR closed the form using the X, then break out of loop
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if event == 'Quit' or values is None:
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break
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window.CloseNonBlocking()
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# ------------------------------------- main -------------------------------------
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def main():
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RemoteControlExample_NoGraphics()
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# Uncomment to get the fancy graphics version. Be sure and download the button images!
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RemoteControlExample()
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# sg.Popup('End of non-blocking demonstration')
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if __name__ == '__main__':
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main()
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