72 lines
2.0 KiB
Python
72 lines
2.0 KiB
Python
import PySimpleGUI as sg
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from threading import Thread
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import ping
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import time
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# Yet another usage of Graph element.
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STEP_SIZE = 1
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SAMPLES = 6000
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CANVAS_SIZE = (6000, 500)
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# globale used to communicate with thread.. yea yea... it's working fine
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g_exit = False
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g_response_time = None
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def ping_thread(args):
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global g_exit, g_response_time
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while not g_exit:
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g_response_time = ping.quiet_ping('google.com', timeout=1000)
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def main():
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global g_exit, g_response_time
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# start ping measurement thread
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thread = Thread(target=ping_thread, args=(None,))
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thread.start()
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sg.change_look_and_feel('Black')
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sg.set_options(element_padding=(0, 0))
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layout = [[sg.Text('Ping times to Google.com', font='Any 12'),
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sg.Quit(pad=((100, 0), 0), button_color=('white', 'black'))],
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[sg.Graph(CANVAS_SIZE, (0, 0), (SAMPLES, 500),
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background_color='black', key='graph')]
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]
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form = sg.FlexForm('Canvas test', layout, grab_anywhere=True, background_color='black',
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no_titlebar=False, use_default_focus=False, finalize=True)
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graph = form['graph']
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prev_response_time = None
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i = 0
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prev_x, prev_y = 0, 0
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while True:
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time.sleep(.2)
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button, values = form.ReadNonBlocking()
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if button == 'Quit' or values is None:
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break
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if g_response_time is None or prev_response_time == g_response_time:
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continue
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new_x, new_y = i, g_response_time[0]
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prev_response_time = g_response_time
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if i >= SAMPLES:
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graph.move(-STEP_SIZE, 0)
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prev_x = prev_x - STEP_SIZE
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graph.draw_line((prev_x, prev_y), (new_x, new_y), color='white')
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# form['graph'].draw_point((new_x, new_y), color='red')
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prev_x, prev_y = new_x, new_y
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i += STEP_SIZE if i < SAMPLES else 0
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# tell thread we're done. wait for thread to exit
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g_exit = True
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thread.join()
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if __name__ == '__main__':
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main()
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