pysimplegui模块实现倒计时UI框

一、代码

import sys
if sys.version_info[0] >= 3:
    import PySimpleGUI as sg
else:
    import PySimpleGUI27 as sg
import time

sg.ChangeLookAndFeel('Black')
sg.SetOptions(element_padding=(0, 0))

layout = [[sg.Text('')],
         [sg.Text('', size=(8, 2), font=('Helvetica', 20), justification='center', key='text')],
         [sg.Button('Pause', key='button', button_color=('white', '#001480')),
          sg.Button('Reset', button_color=('white', '#007339'), key='Reset'),
          sg.Exit(button_color=('white', 'firebrick4'), key='Exit')]]

window = sg.Window('Running Timer', layout, no_titlebar=True, auto_size_buttons=False, keep_on_top=True, grab_anywhere=True)
current_time = 0
paused = False
start_time = int(round(time.time() * 100))
while (True):
    # --------- Read and update window --------
    if not paused:
        event, values = window.read(timeout=10)
        current_time = int(round(time.time() * 100)) - start_time
    else:
        event, values = window.read()
    if event == 'button':
        event = window[event].GetText()
    # --------- Do Button Operations --------
    if event is None or event == 'Exit':        # ALWAYS give a way out of program
        break
    if event is 'Reset':
        start_time = int(round(time.time() * 100))
        current_time = 0
        paused_time = start_time
    elif event == 'Pause':
        paused = True
        paused_time = int(round(time.time() * 100))
        element = window['button']
        element.update(text='Run')
    elif event == 'Run':
        paused = False
        start_time = start_time + int(round(time.time() * 100)) - paused_time
        element = window['button']
        element.update(text='Pause')

    # --------- Display timer in window --------
    window['text'].update('{:02d}:{:02d}.{:02d}'.format((current_time // 100) // 60,
                                                                  (current_time // 100) % 60,
                                                                  current_time % 100))

pysimplegui模块实现倒计时UI框_第1张图片

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