72 lines
2.0 KiB
Python
72 lines
2.0 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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import random
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import sys
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STEP_SIZE=1
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SAMPLES = 300
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SAMPLE_MAX = 300
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CANVAS_SIZE = (300,300)
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def main():
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global g_exit, g_response_time
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layout = [[sg.T('Enter width, height of graph')],
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[sg.In(size=(6, 1)), sg.In(size=(6, 1))],
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[sg.Ok(), sg.Cancel()]]
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window = sg.Window('Enter graph size').Layout(layout)
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b,v = window.Read()
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if b is None or b == 'Cancel':
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sys.exit(69)
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w, h = int(v[0]), int(v[1])
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CANVAS_SIZE = (w,h)
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# start ping measurement thread
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sg.ChangeLookAndFeel('Black')
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sg.SetOptions(element_padding=(0,0))
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layout = [ [sg.Quit( button_color=('white','black'))],
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[sg.Graph(CANVAS_SIZE, (0,0), (SAMPLES,SAMPLE_MAX),background_color='black', key='graph')],]
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window = sg.Window('Canvas test', grab_anywhere=True, background_color='black', no_titlebar=False, use_default_focus=False).Layout(layout).Finalize()
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graph = window.FindElement('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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graph_value = 250
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while True:
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# time.sleep(.2)
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event, values = window.ReadNonBlocking()
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print(event, values)
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if event == 'Quit' or values is None:
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break
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graph_offset = random.randint(-10, 10)
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graph_value = graph_value + graph_offset
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if graph_value > SAMPLE_MAX:
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graph_value = SAMPLE_MAX
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if graph_value < 0:
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graph_value = 0
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new_x, new_y = i, graph_value
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prev_value = graph_value
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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.DrawLine((prev_x, prev_y), (new_x, new_y), color='white')
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# window.FindElement('graph').DrawPoint((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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if __name__ == '__main__':
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main()
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