tk界面最小化到托盘后线程停止工作问题要如何解决呢？_Python

我写了一个闹钟工具，最小化到托盘后，无法继续倒计时，到点后也无法提醒。请各位大神看看问题要如何解决呢？下面是代码：

1、闹钟的代码，文件名alarm.py

import ctypes import threading import time import tkinter.messagebox as messagebox from tkinter import * from datetime import datetime from systrayicon import SysTrayIcon class MyThread(threading.Thread): """
    启动线程执行函数列表
    用法如下：
    func_list = [f1, f2]
    args_list = [(1, 2), ('abbc', )]
    t1 = MyThread(func_list, args_list)
    t1.daemon = True
    t1.start()
    """ def __init__(self, func_list, args_list): """
        初始化线程成员变量
        :param func_list: [func1, func2, ..., func_n]
        :param args_list: [(a1_1, a1_2, ...), (a2_1, ...), ..., (an_1,)]
        """ if len(func_list) < len(args_list): return threading.Thread.__init__(self) self.__flag = threading.Event() # 用于暂停线程的标识 self.__flag.set() # 设置为True self.__running = threading.Event() # 用于停止线程的标识 self.__running.set() # 将running设置为True self.func_list = func_list
        self.args_list = args_list
        self.results = [] def run(self): if not self.func_list: return while self.__running.isSet(): if self.__flag.wait(): # 为True时立即返回, 为False时阻塞直到__flag为True后返回 break for idx, func in enumerate(self.func_list): res = func(*self.args_list[idx]) self.results.append(res) self.stop() def pause(self): self.__flag.clear() # 设置为False, 让线程阻塞 def resume(self): self.__flag.set() # 设置为True, 让线程停止阻塞 def stop(self): self.__flag.set() # 将线程从暂停状态恢复, 如何已经暂停的话 self.__running.clear() # 设置为False class AlarmClock(Tk): def __init__(self): super().__init__() self.SysTrayIcon = None self.title('我的闹钟') self.width = 280 self.height = 260 self.set_time = '' self.minsize(width=self.width, height=self.height) width = self.winfo_screenwidth() # 获得屏幕宽度 height = self.winfo_screenheight() # 获得屏幕高度 # 居中显示 self.geometry('%dx%d+%d+%d' % (self.width, self.height, \ (width - self.width) / 2, (height - self.height) / 2)) # 设置控件 Label(self, text='现在时间：', font=('Times', 15)).place(x=10, y=10) now = datetime.now() # 获取本地时间 self.now_time = str(now).split('.')[0] self.var_nowtime = StringVar(value=self.now_time) Label(self, textvariable=self.var_nowtime, font=('Times', 15), bg='#D6EAF8').place(x=40, y=50) # 闹钟的时间设置部分用了三个entry控件输入时分秒 Label(self, text='设置闹钟：', font=('Times', 15)).place(x=10, y=90) hour, minute = now.hour, now.minute if minute == 59: hour = hour+1 if hour+1 != 24 else 0 minute = -1 self.var_hour = StringVar(value='%02d' % hour) self.var_min = StringVar(value='%02d' % (minute+1)) self.var_sec = StringVar(value='00') self.entry_hour = Entry(self, textvariable=self.var_hour, font=('Times', 15), bg='#D6EAF8', width=3, justify='center') self.entry_hour.place(x=60, y=130) Label(self, text=':', font=('Times', 15)).place(x=105, y=130) self.entry_min = Entry(self, textvariable=self.var_min, font=('Times', 15), bg='#D6EAF8', width=3, justify='center') self.entry_min.place(x=120, y=130) Label(self, text=':', font=('Times', 15)).place(x=165, y=130) self.entry_sec = Entry(self, textvariable=self.var_sec, font=('Times', 15), bg='#D6EAF8', width=3, justify='center') self.entry_sec.place(x=180, y=130) # 因为只能设定一个闹钟，所以再次设定的话要重置 self.btn_replace = Button(self, text='重置', font=('Times', 12), width=5, command=self.reset) self.btn_replace.place(x=70, y=180) # 开关按钮控制闹钟的开和关，初始是未启动的状态，点击变成已启动 self.btn_begin = Button(self, text='启动', font=('Times', 12), width=5, command=self.beginning) self.btn_begin.place(x=150, y=180) self.info_label = Label(self, text=':', font=('Times', 12)) timer_thread = MyThread([self.timer], [(),]) timer_thread.daemon = True timer_thread.start() def minimize(self): self.bind('<Unmap>', lambda event: self.hide_window() if self.state() == 'iconic' else False) #窗口最小化判断，可以说是调用最重要的一步 def hide_window(self, icon = 'alarm.ico', hover_text = "Alarm"): '''隐藏窗口至托盘区，调用SysTrayIcon的重要函数''' #托盘图标右键菜单, 格式: ('name', None, callback),下面也是二级菜单的例子 #24行有自动添加‘退出’，不需要的可删除 #menu_options = (('更改 图标', None, s.switch_icon),  #                ('二级 菜单', None, (('更改 图标', None, s.switch_icon), ))) menu_options = () self.withdraw() #隐藏tk窗口 if self.SysTrayIcon: self.SysTrayIcon.update() #已经有托盘图标时调用 update 来更新显示托盘图标 else: self.SysTrayIcon = SysTrayIcon(icon, #图标 hover_text, #光标停留显示文字 menu_options, #右键菜单 on_quit=self.exit, #退出调用 tk_window=self, #Tk窗口 ) def show(self): self.wm_deiconify() def exit(self, _sysTrayIcon = None): self.destroy() def beginning(self): flag = self.btn_begin['text'] # 定义一个flag来表示闹钟的状态 # 如果是打开状态就什么也不做 if flag == '已启动': return # 如果是关闭状态，就把text变为已启动，三个输入框变为不可编辑 else: self.btn_begin['text'] = '已启动' self.entry_hour['state'] = DISABLED
            self.entry_min['state'] = DISABLED
            self.entry_sec['state'] = DISABLED # 获取三个输入框内的时间 self.set_time = '%02d:%02d:%02d' % (int(self.entry_hour.get()), int(self.entry_min.get()), int(self.entry_sec.get())) info = '您%s的闹钟已经设置成功！' % self.set_time
            self.info_label.place(x=20, y=220) self.info_label.config(text=info) messagebox.showinfo(title='设置成功', message=info) self.iconify() def reset(self): '''
        重置按钮把三个输入框内容变为00，同时变为可编辑状态，开关按钮变为启动
        ''' now = datetime.now() self.set_time = '' self.var_hour.set('%02d' % now.hour) self.var_min.set('%02d' % (now.minute+1)) self.var_sec.set('00') self.btn_begin['text'] = '启动' self.entry_hour['state'] = NORMAL
        self.entry_min['state'] = NORMAL
        self.entry_sec['state'] = NORMAL #messagebox.showinfo(title='重置成功', message='重置成功') self.info_label.config(text='') def timer(self): while True: self.now_time = str(datetime.now()).split('.')[0] self.var_nowtime.set(self.now_time) self.update() now = datetime.now() now_time = '%02d:%02d:%02d' % (now.hour, now.minute, now.second) if self.btn_begin['text'] == '已启动': # 设定时间和本地时间一致则弹出提示框 if self.set_time == self.now_time.split(' ')[-1]: self.show() messagebox.showinfo(title='闹钟提醒', message='[%s]时间到了！' % self.set_time) self.reset() time.sleep(1) if __name__ == '__main__': alarm = AlarmClock() alarm.wm_attributes('-topmost', 1) # TODO 最小化后需要如何继续执行线程？ #alarm.minimize() alarm.mainloop()

2、托盘类的代码，文件名systrayicon.py

import win32api, win32con, win32gui_struct, win32gui import os, tkinter as tk class SysTrayIcon (object): '''SysTrayIcon类用于显示任务栏图标''' QUIT = 'QUIT' SPECIAL_ACTIONS = [QUIT] FIRST_ID = 5320 def __init__(s, icon, hover_text, menu_options, on_quit, tk_window = None, default_menu_index=None, window_class_name=None): '''
        icon         需要显示的图标文件路径
        hover_text   鼠标停留在图标上方时显示的文字
        menu_options 右键菜单，格式: (('a', None, callback), ('b', None, (('b1', None, callback),)))
        on_quit      传递退出函数，在执行退出时一并运行
        tk_window    传递Tk窗口，s.root，用于单击图标显示窗口
        default_menu_index 不显示的右键菜单序号
        window_class_name  窗口类名
        ''' s.icon = icon
        s.hover_text = hover_text
        s.on_quit = on_quit
        s.root = tk_window

        menu_options = menu_options + (('退出', None, s.QUIT),) s._next_action_id = s.FIRST_ID
        s.menu_actions_by_id = set() s.menu_options = s._add_ids_to_menu_options(list(menu_options)) s.menu_actions_by_id = dict(s.menu_actions_by_id) del s._next_action_id

        s.default_menu_index = (default_menu_index or 0) s.window_class_name = window_class_name or "SysTrayIconPy" message_map = {win32gui.RegisterWindowMessage("TaskbarCreated"): s.restart, win32con.WM_DESTROY: s.destroy, win32con.WM_COMMAND: s.command, win32con.WM_USER+20 : s.notify,} # 注册窗口类。 window_class = win32gui.WNDCLASS() window_class.hInstance = win32gui.GetModuleHandle(None) window_class.lpszClassName = s.window_class_name
        window_class.style = win32con.CS_VREDRAW | win32con.CS_HREDRAW; window_class.hCursor = win32gui.LoadCursor(0, win32con.IDC_ARROW) window_class.hbrBackground = win32con.COLOR_WINDOW
        window_class.lpfnWndProc = message_map #也可以指定wndproc. s.classAtom = win32gui.RegisterClass(window_class) s.update() def update(s): '''显示任务栏图标，不用每次都重新创建新的托盘图标''' # 创建窗口。 hinst = win32gui.GetModuleHandle(None) style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
        s.hwnd = win32gui.CreateWindow(s.classAtom, s.window_class_name, style, 0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, 0, 0, hinst, None) win32gui.UpdateWindow(s.hwnd) s.notify_id = None s.refresh_icon() win32gui.PumpMessages() def _add_ids_to_menu_options(s, menu_options): result = [] for menu_option in menu_options: option_text, option_icon, option_action = menu_option if callable(option_action) or option_action in s.SPECIAL_ACTIONS: s.menu_actions_by_id.add((s._next_action_id, option_action)) result.append(menu_option + (s._next_action_id,)) else: result.append((option_text, option_icon, s._add_ids_to_menu_options(option_action), s._next_action_id)) s._next_action_id += 1 return result def refresh_icon(s): # 尝试找到自定义图标 hinst = win32gui.GetModuleHandle(None) if os.path.isfile(s.icon): icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE
            hicon = win32gui.LoadImage(hinst, s.icon, win32con.IMAGE_ICON, 0, 0, icon_flags) else: # 找不到图标文件 - 使用默认值 hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION) if s.notify_id: message = win32gui.NIM_MODIFY else: message = win32gui.NIM_ADD
        s.notify_id = (s.hwnd, 0, win32gui.NIF_ICON | win32gui.NIF_MESSAGE | win32gui.NIF_TIP, win32con.WM_USER+20, hicon, s.hover_text) win32gui.Shell_NotifyIcon(message, s.notify_id) def restart(s, hwnd, msg, wparam, lparam): s.refresh_icon() def destroy(s, hwnd = None, msg = None, wparam = None, lparam = None, exit = 1): nid = (s.hwnd, 0) win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid) win32gui.PostQuitMessage(0) # 终止应用程序。 if exit and s.on_quit: s.on_quit() #需要传递自身过去时用 s.on_quit(s) else: s.root.deiconify() #显示tk窗口 def notify(s, hwnd, msg, wparam, lparam): if lparam==win32con.WM_LBUTTONDBLCLK:# 双击左键 pass elif lparam==win32con.WM_RBUTTONUP: # 右键弹起 s.show_menu() elif lparam==win32con.WM_LBUTTONUP: # 左键弹起 s.destroy(exit = 0) return True """
        可能的鼠标事件：
          WM_MOUSEMOVE      #光标经过图标
          WM_LBUTTONDOWN    #左键按下
          WM_LBUTTONUP      #左键弹起
          WM_LBUTTONDBLCLK  #双击左键
          WM_RBUTTONDOWN    #右键按下
          WM_RBUTTONUP      #右键弹起
          WM_RBUTTONDBLCLK  #双击右键
          WM_MBUTTONDOWN    #滚轮按下
          WM_MBUTTONUP      #滚轮弹起
          WM_MBUTTONDBLCLK  #双击滚轮
        """ def show_menu(s): menu = win32gui.CreatePopupMenu() s.create_menu(menu, s.menu_options) pos = win32gui.GetCursorPos() win32gui.SetForegroundWindow(s.hwnd) win32gui.TrackPopupMenu(menu, win32con.TPM_LEFTALIGN, pos[0], pos[1], 0, s.hwnd, None) win32gui.PostMessage(s.hwnd, win32con.WM_NULL, 0, 0) def create_menu(s, menu, menu_options): for option_text, option_icon, option_action, option_id in menu_options[::-1]: if option_icon: option_icon = s.prep_menu_icon(option_icon) if option_id in s.menu_actions_by_id: item, extras = win32gui_struct.PackMENUITEMINFO(text=option_text, hbmpItem=option_icon, wID=option_id) win32gui.InsertMenuItem(menu, 0, 1, item) else: submenu = win32gui.CreatePopupMenu() s.create_menu(submenu, option_action) item, extras = win32gui_struct.PackMENUITEMINFO(text=option_text, hbmpItem=option_icon, hSubMenu=submenu) win32gui.InsertMenuItem(menu, 0, 1, item) def prep_menu_icon(s, icon): #加载图标。 ico_x = win32api.GetSystemMetrics(win32con.SM_CXSMICON) ico_y = win32api.GetSystemMetrics(win32con.SM_CYSMICON) hicon = win32gui.LoadImage(0, icon, win32con.IMAGE_ICON, ico_x, ico_y, win32con.LR_LOADFROMFILE) hdcBitmap = win32gui.CreateCompatibleDC(0) hdcScreen = win32gui.GetDC(0) hbm = win32gui.CreateCompatibleBitmap(hdcScreen, ico_x, ico_y) hbmOld = win32gui.SelectObject(hdcBitmap, hbm) brush = win32gui.GetSysColorBrush(win32con.COLOR_MENU) win32gui.FillRect(hdcBitmap, (0, 0, 16, 16), brush) win32gui.DrawIconEx(hdcBitmap, 0, 0, hicon, ico_x, ico_y, 0, 0, win32con.DI_NORMAL) win32gui.SelectObject(hdcBitmap, hbmOld) win32gui.DeleteDC(hdcBitmap) return hbm def command(s, hwnd, msg, wparam, lparam): id = win32gui.LOWORD(wparam) s.execute_menu_option(id) def execute_menu_option(s, id): menu_action = s.menu_actions_by_id[id] if menu_action == s.QUIT: win32gui.DestroyWindow(s.hwnd) else: menu_action(s) class _Main: #调用SysTrayIcon的Demo窗口 def __init__(s): s.SysTrayIcon = None # 判断是否打开系统托盘图标 def main(s): #tk窗口 s.root = tk.Tk() s.root.bind("<Unmap>", lambda event: s.Hidden_window() if s.root.state() == 'iconic' else False) #窗口最小化判断，可以说是调用最重要的一步 s.root.protocol('WM_DELETE_WINDOW', s.exit) #点击Tk窗口关闭时直接调用s.exit，不使用默认关闭 s.root.resizable(0,0) #锁定窗口大小不能改变 s.root.mainloop() def switch_icon(s, _sysTrayIcon, icon = 'D:\\2.ico'): #点击右键菜单项目会传递SysTrayIcon自身给引用的函数，所以这里的_sysTrayIcon = s.sysTrayIcon #只是一个改图标的例子，不需要的可以删除此函数 _sysTrayIcon.icon = icon
        _sysTrayIcon.refresh_icon() def Hidden_window(s, icon = 'D:\\1.ico', hover_text = "SysTrayIcon.py Demo"): '''隐藏窗口至托盘区，调用SysTrayIcon的重要函数''' #托盘图标右键菜单, 格式: ('name', None, callback),下面也是二级菜单的例子 #24行有自动添加‘退出’，不需要的可删除 menu_options = (('更改 图标', None, s.switch_icon), ('二级 菜单', None, (('更改 图标', None, s.switch_icon), ))) s.root.withdraw() #隐藏tk窗口 if s.SysTrayIcon: s.SysTrayIcon.update() #已经有托盘图标时调用 update 来更新显示托盘图标 else: s.SysTrayIcon = SysTrayIcon(icon, #图标 hover_text, #光标停留显示文字 menu_options, #右键菜单 on_quit = s.exit, #退出调用 tk_window = s.root, #Tk窗口 ) def exit(s, _sysTrayIcon = None): s.root.destroy() print ('exit...') if __name__ == '__main__': Main = _Main() Main.main()