def main():
global g_interval, g_procs, g_exit
# ---------------- Create Form ----------------
sg.change_look_and_feel('Black')
layout = [[sg.Text('', size=(8, 1), font=('Helvetica', 20), text_color=sg.YELLOWS[0],
justification='center', key='text')],
[sg.Text('', size=(30, 8), font=('Courier New', 12),
text_color='white', justification='left', key='processes')],
[sg.Exit(button_color=('white', 'firebrick4'),
pad=((15, 0), 0), size=(9, 1)), ]
]
window = sg.Window('CPU Utilization', layout,
no_titlebar=True, keep_on_top=True, alpha_channel=.8, grab_anywhere=True)
# start cpu measurement thread
thread = Thread(target=CPU_thread, args=(None,), daemon=True)
thread.start()
timeout_value = 1 # make first read really quick
g_interval = 1
# ---------------- main loop ----------------
while True:
# --------- Read and update window --------
event, values = window.read(
timeout=timeout_value, timeout_key='Timeout')
# --------- Do Button Operations --------
if event in (None, 'Exit'):
break
timeout_value = 1000
cpu_percent = g_cpu_percent
display_string = ''
if g_procs:
# --------- Create list of top % CPU porocesses --------
try:
top = {proc.name(): proc.cpu_percent() for proc in g_procs}
except:
pass
top_sorted = sorted(
top.items(), key=operator.itemgetter(1), reverse=True)
if top_sorted:
top_sorted.pop(0)
display_string = ''
for proc, cpu in top_sorted:
display_string += '{:2.2f} {}\n'.format(cpu/10, proc)
# --------- Display timer and proceses in window --------
window['text'].update('CPU {}'.format(cpu_percent))
window['processes'].update(display_string)
window.close()
def HowDoI():
'''
Make and show a window (PySimpleGUI form) that takes user input and sends to the HowDoI web oracle
Excellent example of 2 GUI concepts
1. Output Element that will show text in a scrolled window
2. Non-Window-Closing Buttons - These buttons will cause the form to return with the form's values, but doesn't close the form
:return: never returns
'''
# ------- Make a new Window ------- #
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.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.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?', 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['_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
# 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()