61 lines
2.5 KiB
Python
61 lines
2.5 KiB
Python
import PySimpleGUI as sg
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'''
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A chatbot with history
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Scroll up and down through prior commands using the arrow keys
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Special keyboard keys:
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Up arrow - scroll up in commands
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Down arrow - scroll down in commands
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Escape - clear current command
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Control C - exit form
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'''
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def ChatBotWithHistory():
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# ------- Make a new FlexForm ------- #
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sg.ChangeLookAndFeel('GreenTan') # give our form a spiffy set of colors
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form = sg.FlexForm('Chat window with history', default_element_size=(30, 2), font=('Helvetica',' 13'), default_button_element_size=(8,2), return_keyboard_events=True)
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multiline_elem = sg.Multiline(size=(85, 5), enter_submits=True, key='query', do_not_clear=False)
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history_elem = sg.T('', size=(20,3))
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layout = [
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[sg.Text('Your output will go here', size=(40, 1))],
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[sg.Output(size=(127, 30), font=('Helvetica 10'))],
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[sg.T('Command History'), history_elem],
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[multiline_elem,
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sg.ReadFormButton('SEND', button_color=(sg.YELLOWS[0], sg.BLUES[0]), bind_return_key=True),
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sg.SimpleButton('EXIT', button_color=(sg.YELLOWS[0], sg.GREENS[0]))]
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]
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form.Layout(layout)
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# ---===--- Loop taking in user input and using it to query HowDoI --- #
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command_history = []
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history_offset = 0
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while True:
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(button, value) = form.Read()
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if button is 'SEND':
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query = value['query'].rstrip()
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# EXECUTE YOUR COMMAND HERE
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print('The command you entered was {}'.format(query))
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command_history.append(query)
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history_offset = len(command_history)-1
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multiline_elem.Update('') # manually clear input because keyboard events blocks clear
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history_elem.Update('\n'.join(command_history[-3:]))
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elif button is None or button is 'EXIT': # quit if exit button or X
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break
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elif 'Up' in button and len(command_history):
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command = command_history[history_offset]
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history_offset -= 1 * (history_offset > 0) # decrement is not zero
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multiline_elem.Update(command)
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elif 'Down' in button and len(command_history):
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history_offset += 1 * (history_offset < len(command_history)-1) # increment up to end of list
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command = command_history[history_offset]
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multiline_elem.Update(command)
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elif 'Escape' in button:
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multiline_elem.Update('')
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exit(69)
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ChatBotWithHistory()
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