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Fixed flicker problem!!! Updated all of the PySimpleGUIWeb demos

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PySimpleGUI 2019-10-30 14:35:01 -04:00
parent f0e1642437
commit a2443c63ad
14 changed files with 413 additions and 298 deletions
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74
PySimpleGUIWeb/Demo Programs/Web_Demo_HowDoI.py
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@ -1,16 +1,11 @@
#!/usr/bin/env python
import sys
import PySimpleGUIWeb as sg
import subprocess
import howdoi
# Test this command in a dos window if you are having trouble.
HOW_DO_I_COMMAND = 'python -m howdoi.howdoi'
# if you want an icon on your taskbar for this gui, then change this line of code to point to the ICO file
DEFAULT_ICON = 'E:\\TheRealMyDocs\\Icons\\QuestionMark.ico'
def HowDoI():
'''
Make and show a window (PySimpleGUI form) that takes user input and sends to the HowDoI web oracle
@ -20,52 +15,69 @@ def HowDoI():
:return: never returns
'''
# ------- Make a new Window ------- #
sg.ChangeLookAndFeel('GreenTan') # give our form a spiffy set of colors
sg.change_look_and_feel('GreenTan') # give our form a spiffy set of colors
layout = [
[sg.Text('Ask and your answer will appear here....', size=(40, 1))],
[sg.MultilineOutput(size_px=(980, 400),key='_OUTPUT_' )],
[sg.MLineOutput(size_px=(980, 400),key='_OUTPUT_' )],
# [ sg.Spin(values=(1, 2, 3, 4), initial_value=1, size=(2, 1), key='Num Answers', font='Helvetica 15'),
[ sg.Checkbox('Display Full Text', key='full text', font='Helvetica 15'),
sg.T('Command History', font='Helvetica 15'), sg.T('', size=(40,3), text_color=sg.BLUES[0], key='history')],
[sg.Multiline(size=(85, 5), enter_submits=True, key='query', do_not_clear=False),
[ sg.CBox('Display Full Text', key='full text', font='Helvetica 15'),
sg.Text('Command History', font='Helvetica 15'), sg.Text('', size=(40,3), text_color=sg.BLUES[0], key='history')],
[sg.MLine(size=(85, 5), enter_submits=True, key='query', do_not_clear=False),
sg.ReadButton('SEND', button_color=(sg.YELLOWS[0], sg.BLUES[0]), bind_return_key=True),
sg.Button('EXIT', button_color=(sg.YELLOWS[0], sg.GREENS[0]))]
]
window = sg.Window('How Do I ??', default_element_size=(30,1), icon=DEFAULT_ICON, font=('Helvetica',' 17'), default_button_element_size=(8,2), return_keyboard_events=False, )
window.Layout(layout)
window = sg.Window('How Do I?', layout, default_element_size=(30,1),
font=('Helvetica',' 17'), default_button_element_size=(8,2),
return_keyboard_events=False)
# ---===--- Loop taking in user input and using it to query HowDoI --- #
command_history = []
history_offset = 0
while True:
event, values = window.Read()
# print(event, values)
if type(event) is int:
event = str(event)
if event == 'SEND':
query = values['query'].rstrip()
window.Element('_OUTPUT_').Update(query, append=True)
window['_OUTPUT_'].update(query, append=True)
print(query)
QueryHowDoI(query, 1, values['full text'], window) # send the string to HowDoI
command_history.append(query)
history_offset = len(command_history)-1
window.FindElement('query').Update('') # manually clear input because keyboard events blocks clear
window.FindElement('history').Update('\n'.join(command_history[-3:]))
elif event == None or event == 'EXIT': # if exit button or closed using X
break
elif 'Up' in event and len(command_history): # scroll back in history
command = command_history[history_offset]
history_offset -= 1 * (history_offset > 0) # decrement is not zero
window.FindElement('query').Update(command)
elif 'Down' in event and len(command_history): # scroll forward in history
history_offset += 1 * (history_offset < len(command_history)-1) # increment up to end of list
command = command_history[history_offset]
window.FindElement('query').Update(command)
elif 'Escape' in event: # clear currently line
window.FindElement('query').Update('')
window.Close()
# manually clear input because keyboard events blocks clear
window['query'].update('')
window['history'].update('\n'.join(command_history[-3:]))
# if exit button or closed using X
elif event == None or event == 'EXIT':
break
# scroll back in history
elif 'Up' in event and len(command_history):
command = command_history[history_offset]
# decrement is not zero
history_offset -= 1 * (history_offset > 0)
window['query'].update(command)
# scroll forward in history
elif 'Down' in event and len(command_history):
# increment up to end of list
history_offset += 1 * (history_offset < len(command_history)-1)
command = command_history[history_offset]
window['query'].update(command)
# clear currently line
elif 'Escape' in event:
window['query'].update('')
window.close()
def QueryHowDoI(Query, num_answers, full_text, window:sg.Window):
'''
@ -78,9 +90,9 @@ def QueryHowDoI(Query, num_answers, full_text, window:sg.Window):
full_text_option = ' -a' if full_text else ''
t = subprocess.Popen(howdoi_command + ' \"'+ Query + '\" -n ' + str(num_answers)+full_text_option, stdout=subprocess.PIPE)
(output, err) = t.communicate()
window.Element('_OUTPUT_').Update('{:^88}'.format(Query.rstrip()), append=True)
window.Element('_OUTPUT_').Update('_'*60, append=True)
window.Element('_OUTPUT_').Update(output.decode("utf-8"), append=True)
window['_OUTPUT_'].update('{:^88}'.format(Query.rstrip()), append=True)
window['_OUTPUT_'].update('_'*60, append=True)
window['_OUTPUT_'].update(output.decode("utf-8"), append=True)
exit_code = t.wait()
if __name__ == '__main__':