import win32gui,win32con,win32api

# 操作win32相关
def 点击(id):
    win32gui.SendMessage(id,win32con.WM_LBUTTONDOWN, 0,0)
    win32gui.PostMessage(id,win32con.WM_LBUTTONUP, 0,0)
def 填信息(id,text):
    win32gui.SendMessage(id,win32con.WM_SETTEXT, 0,text)
def 发送回车(id):
    win32gui.SendMessage(id,win32con.WM_KEYDOWN, win32con.VK_RETURN,0)
    win32gui.PostMessage(id,win32con.WM_KEYUP, win32con.VK_RETURN,0)
def 列出子窗口句柄(id):
    hwndChildList = []
    win32gui.EnumChildWindows(id, lambda hwnd,param: param.append(hwnd),hwndChildList)
    n = 0
    for i in hwndChildList:
        print(i ,"{:#016X}".format(i),win32gui.GetWindowText(i),n)
        n += 1
    return hwndChildList
def 获得窗口标题的句柄(name):
    hwndChildList = []
    win32gui.EnumChildWindows(None, lambda hwnd,param: param.append(hwnd),hwndChildList)
    for i in hwndChildList:
        if name in win32gui.GetWindowText(i):
            return i
def 提取句柄文本(句柄):
    # 获取识别结果中输入框文本
    length = win32gui.SendMessage(句柄, win32con.WM_GETTEXTLENGTH)+1
    buf = win32gui.PyMakeBuffer(length)
    #发送获取文本请求
    win32api.SendMessage(句柄, win32con.WM_GETTEXT, length, buf)
    #下面应该是将内存读取文本
    address, length = win32gui.PyGetBufferAddressAndLen(buf[:-1])
    text = win32gui.PyGetString(address, length)
    return text
#print(提取句柄文本(列出子窗口句柄(获得窗口标题的句柄('来电接听'))[41]))