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qile1
V2EX  ›  Python

python3 桌面右下角图标动态显示数据如何做,做下生手党!

  •  1
     
  •   qile1 · 2017-11-24 00:19:27 +08:00 · 3387 次点击
    这是一个创建于 2575 天前的主题,其中的信息可能已经有所发展或是发生改变。

    我想实现动态读取串口数据,当收到数据时,已经在桌面右下角建立的图标闪烁显示有数据开始处理,无数据时显示等待图标,我弄了下,只能手动点击触发,对这个类有点不太明白如何实现收到数据自动切换图标,请论坛高手给指点一下,在此谢过!

    代码如下

    
    #encoding:utf-8
    import os
    import sys
    import time
    import win32api
    import win32con
    import win32gui_struct
    import threading
    try:
        import winxpgui as win32gui
    except ImportError:
        import win32gui
    
    mainfile = os.path.dirname(sys.argv[0])
    
    class SysTrayIcon(object):
        QUIT = 'QUIT'
        SPECIAL_ACTIONS = [QUIT]
    
        FIRST_ID = 1023
    
        def __init__(self,
                     icon,
                     hover_text,
                     menu_options,
                     on_quit=None,
                     default_menu_index=None,
                     window_class_name=None,):
    
            self.icon = icon
            self.hover_text = hover_text
            self.on_quit = on_quit
    
            menu_options = menu_options + (('退出', None, self.QUIT),)
            self._next_action_id = self.FIRST_ID
            self.menu_actions_by_id = set()
            self.menu_options = self._add_ids_to_menu_options(list(menu_options))
            self.menu_actions_by_id = dict(self.menu_actions_by_id)
            del self._next_action_id
    
    
            self.default_menu_index = (default_menu_index or 0)
            self.window_class_name = window_class_name or "SysTrayIconPy"
    
            message_map = {win32gui.RegisterWindowMessage("TaskbarCreated"): self.restart,
                           win32con.WM_DESTROY: self.destroy,
                           win32con.WM_COMMAND: self.command,
                           win32con.WM_USER+20 : self.notify,}
            # Register the Window class.
            window_class = win32gui.WNDCLASS()
            hinst = window_class.hInstance = win32gui.GetModuleHandle(None)
            window_class.lpszClassName = self.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 # could also specify a wndproc.
            classAtom = win32gui.RegisterClass(window_class)
            # Create the Window.
            style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
            self.hwnd = win32gui.CreateWindow(classAtom,
                                              self.window_class_name,
                                              style,
                                              0,
                                              0,
                                              win32con.CW_USEDEFAULT,
                                              win32con.CW_USEDEFAULT,
                                              0,
                                              0,
                                              hinst,
                                              None)
            win32gui.UpdateWindow(self.hwnd)
            self.notify_id = None
            self.refresh_icon()
    
            win32gui.PumpMessages()
    
        def _add_ids_to_menu_options(self, 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 self.SPECIAL_ACTIONS:
                    self.menu_actions_by_id.add((self._next_action_id, option_action))
                    result.append(menu_option + (self._next_action_id,))
                elif non_string_iterable(option_action):
                    result.append((option_text,
                                   option_icon,
                                   self._add_ids_to_menu_options(option_action),
                                   self._next_action_id))
                else:
                    pass
                    #print ('Unknown item', option_text, option_icon, option_action)
                self._next_action_id += 1
            return result
    
        def refresh_icon(self):
            # Try and find a custom icon
            hinst = win32gui.GetModuleHandle(None)
            if os.path.isfile(self.icon):
                icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE
                hicon = win32gui.LoadImage(hinst,
                                           self.icon,
                                           win32con.IMAGE_ICON,
                                           0,
                                           0,
                                           icon_flags)
            else:
                #print ("Can't find icon file - using default.")
                hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
    
            if self.notify_id: message = win32gui.NIM_MODIFY
            else: message = win32gui.NIM_ADD
            self.notify_id = (self.hwnd,
                              0,
                              win32gui.NIF_ICON | win32gui.NIF_MESSAGE | win32gui.NIF_TIP,
                              win32con.WM_USER+20,
                              hicon,
                              self.hover_text)
            win32gui.Shell_NotifyIcon(message, self.notify_id)
    
        def restart(self, hwnd, msg, wparam, lparam):
            self.refresh_icon()
    
        def destroy(self, hwnd, msg, wparam, lparam):
            if self.on_quit: self.on_quit(self)
            nid = (self.hwnd, 0)
            win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid)
            win32gui.PostQuitMessage(0) # Terminate the app.
    
        def notify(self, hwnd, msg, wparam, lparam):
            if lparam==win32con.WM_LBUTTONDBLCLK:
                self.execute_menu_option(self.default_menu_index + self.FIRST_ID)
            elif lparam==win32con.WM_RBUTTONUP:
                self.show_menu()
            elif lparam==win32con.WM_LBUTTONUP:
                pass
            return True
    
        def show_menu(self):
            menu = win32gui.CreatePopupMenu()
            self.create_menu(menu, self.menu_options)
            #win32gui.SetMenuDefaultItem(menu, 1000, 0)
    
            pos = win32gui.GetCursorPos()
            # See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/menus_0hdi.asp
            win32gui.SetForegroundWindow(self.hwnd)
            win32gui.TrackPopupMenu(menu,
                                    win32con.TPM_LEFTALIGN,
                                    pos[0],
                                    pos[1],
                                    0,
                                    self.hwnd,
                                    None)
            win32gui.PostMessage(self.hwnd, win32con.WM_NULL, 0, 0)
    
        def create_menu(self, menu, menu_options):
            for option_text, option_icon, option_action, option_id in menu_options[::-1]:
                if option_icon:
                    option_icon = self.prep_menu_icon(option_icon)
    
                if option_id in self.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()
                    self.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(self, icon):
            # First load the icon.
            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)
            # Fill the background.
            brush = win32gui.GetSysColorBrush(win32con.COLOR_MENU)
            win32gui.FillRect(hdcBitmap, (0, 0, 16, 16), brush)
            # unclear if brush needs to be feed.  Best clue I can find is:
            # "GetSysColorBrush returns a cached brush instead of allocating a new
            # one." - implies no DeleteObject
            # draw the icon
            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(self, hwnd, msg, wparam, lparam):
            id = win32gui.LOWORD(wparam)
            self.execute_menu_option(id)
    
        def execute_menu_option(self, id):
            menu_action = self.menu_actions_by_id[id]
            if menu_action == self.QUIT:
                win32gui.DestroyWindow(self.hwnd)
            else:
                menu_action(self)
    
    def non_string_iterable(obj):
        try:
            iter(obj)
        except TypeError:
            return False
        else:
            #return not isinstance(obj, basestring)#python2.7 user
            return not isinstance(obj, (str))
    import itertools, glob
    
    icons = itertools.cycle(glob.glob('*.ico'))
    hover_text = "com1 9600 n 8 1 \n load:902"
    print (glob.glob('*.ico'))
    def switch_icon(sysTrayIcon):
        sysTrayIcon.icon = icons.next()
        sysTrayIcon.refresh_icon()
    def switch_icon2(sysTrayIcon):
        for i in '1,2,3,4,5,6,7,8':
            sysTrayIcon.icon = icons.next()
            sysTrayIcon.refresh_icon()
            time.sleep(0.2)
    def stop_dec(sysTrayIcon):
        sysTrayIcon.icon = os.path.join(mainfile,'ico','stop.ico')
        #print (os.path.join(mainfile,'ico','stop.ico'))
        sysTrayIcon.refresh_icon()
        #time.sleep(0.2)
        #os.mknod("stop")
        f = open(os.path.join(mainfile,'stop'),'w')
        f.close()
    
    def opendecini(sysTrayIcon):
        if os.path.isfile(os.path.join(mainfile,'dec2017.INI')):
            os.startfile(os.path.join(mainfile,'dec2017.INI'))
    def hello(sysTrayIcon): pass#print ("Hello World.")
    def simon(sysTrayIcon): pass#print ("Hello Simon.")
    def rehandle(sysTrayIcon): pass#print ("rehandling......")
    
    menu_options = (('switch_icon2',icons.__next__(), switch_icon2),
                    ('重新接收数据',icons.__next__(), del_raw),
                    ('修改配置', None, opendecini),
                    ('other', None, (('stop', None, hello),
                                     ('star', None, simon),
                                     ('原始数据', None, opendeclog),
                                     ('结果数据', None, opendeclog),
                                     ('生成文件', None, switch_icon),
                                     ))
                   )
    
    def bye(sysTrayIcon):
        sys.exit(0)
    print (sys.argv[0])
    
    on_quit=bye
    default_menu_index=1
    t1=threading.Thread(target=SysTrayIcon,args=(icons.__next__(), hover_text, menu_options,on_quit, default_menu_index))
    
    t1.start()
    str = input("输入任意字符 exit: ")
    print ("收到字符:", str)
    
    6 条回复    2017-11-24 09:19:47 +08:00
    Sanko
        1
    Sanko  
       2017-11-24 00:21:13 +08:00 via Android
    python 这个排版。。。
    qile1
        2
    qile1  
    OP
       2017-11-24 00:26:21 +08:00 via Android
    @Sanko 我特意百度在线预览后发的,排班没法复制到到编辑器里面,哟试试,看效果还可以哇
    claysec
        3
    claysec  
       2017-11-24 00:38:37 +08:00 via Android
    这………排版……………
    z1s23
        4
    z1s23  
       2017-11-24 08:03:10 +08:00 via iPhone
    手机端排版比较乱
    qile1
        5
    qile1  
    OP
       2017-11-24 08:56:44 +08:00 via Android
    我用三星手机谷歌手机浏览器打开,格式对的呀,电脑也显示对的,我在代码前面和后面加代码标记,发图咋发
    qile1
        6
    qile1  
    OP
       2017-11-24 09:19:47 +08:00 via Android
    代码参考的这个写的
    https://segmentfault.com/q/1010000008579491/a-1020000008579881
    上面网址代码 python2.7 可以运行
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