win32gui_menu.py 文件源码

def __init__(self):
        message_map = {
                win32con.WM_DESTROY: self.OnDestroy,
                win32con.WM_COMMAND: self.OnCommand,
                win32con.WM_USER+20 : self.OnTaskbarNotify,
                # owner-draw related handlers.
                win32con.WM_MEASUREITEM: self.OnMeasureItem,
                win32con.WM_DRAWITEM: self.OnDrawItem,
        }
        # Register the Window class.
        wc = WNDCLASS()
        hinst = wc.hInstance = GetModuleHandle(None)
        wc.lpszClassName = "PythonTaskbarDemo"
        wc.lpfnWndProc = message_map # could also specify a wndproc.
        classAtom = RegisterClass(wc)
        # Create the Window.
        style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
        self.hwnd = CreateWindow( classAtom, "Taskbar Demo", style, \
                0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, \
                0, 0, hinst, None)
        UpdateWindow(self.hwnd)
        iconPathName = os.path.abspath(os.path.join( sys.prefix, "pyc.ico" ))
        # py2.5 includes the .ico files in the DLLs dir for some reason.
        if not os.path.isfile(iconPathName):
            iconPathName = os.path.abspath(os.path.join( os.path.split(sys.executable)[0], "DLLs", "pyc.ico" ))
        if not os.path.isfile(iconPathName):
            # Look in the source tree.
            iconPathName = os.path.abspath(os.path.join( os.path.split(sys.executable)[0], "..\\PC\\pyc.ico" ))
        if os.path.isfile(iconPathName):
            icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE
            hicon = LoadImage(hinst, iconPathName, win32con.IMAGE_ICON, 0, 0, icon_flags)
        else:
            iconPathName = None
            print "Can't find a Python icon file - using default"
            hicon = LoadIcon(0, win32con.IDI_APPLICATION)
        self.iconPathName = iconPathName

        # Load up some information about menus needed by our owner-draw code.
        # The font to use on the menu.
        ncm = SystemParametersInfo(win32con.SPI_GETNONCLIENTMETRICS)
        self.font_menu = CreateFontIndirect(ncm['lfMenuFont'])
        # spacing for our ownerdraw menus - not sure exactly what constants
        # should be used (and if you owner-draw all items on the menu, it
        # doesn't matter!)
        self.menu_icon_height = GetSystemMetrics(win32con.SM_CYMENU) - 4
        self.menu_icon_width = self.menu_icon_height
        self.icon_x_pad = 8 # space from end of icon to start of text.
        # A map we use to stash away data we need for ownerdraw.  Keyed
        # by integer ID - that ID will be set in dwTypeData of the menu item.
        self.menu_item_map = {}

        # Finally, create the menu
        self.createMenu()

        flags = NIF_ICON | NIF_MESSAGE | NIF_TIP
        nid = (self.hwnd, 0, flags, win32con.WM_USER+20, hicon, "Python Demo")
        Shell_NotifyIcon(NIM_ADD, nid)
        print "Please right-click on the Python icon in the taskbar"