用Windows10桌面图标玩python贪吃蛇

文中键盘监听部分借鉴了cnblog的‘十一月_寒风’大佬的文章python监听键盘和鼠标事件

from  win32gui import*
from time import sleep
from random import randint
from threading import Thread
from math import*
from commctrl import*

from ctypes import *
from ctypes import wintypes
import win32con
SetWindowsHookEx=windll.user32.SetWindowsHookExA
UnhookWindowsHookEx=windll.user32.UnhookWindowsHookEx
CallNextHookEx=windll.user32.CallNextHookEx
GetMessage=windll.user32.GetMessageA
GetModuleHandle=windll.kernel32.GetModuleHandleW
#保存键盘钩子函数句柄
keyboard_hd = None
#保存按键
key = None
class KBDLLHOOKSTRUCT(Structure):
    _fields_ = [
        ('vkCode',c_int),
        ('scanCode', c_int),
        ('flags', c_int),
        ('time', c_int),
        ('dwExtraInfo', c_uint),
        ('',c_void_p)
    ]
def wait_for_msg():
    msg = wintypes.MSG()
    GetMessage(msg, 0, 0, 0)

def keyboard_pro(nCode, wParam, lParam):
    """
    函数功能：键盘钩子函数，当有按键按下时此函数被回调
    """
    global key
    if nCode == win32con.HC_ACTION:
        KBDLLHOOKSTRUCT_p = POINTER(KBDLLHOOKSTRUCT)
        param=cast(lParam,KBDLLHOOKSTRUCT_p)
        #print(param.contents.vkCode)
        key = param.contents.vkCode
    return CallNextHookEx(keyboard_hd, nCode, wParam, lParam)

def start_keyboard_hook():
    """
    函数功能：启动键盘监听
    """
    HOOKPROTYPE = CFUNCTYPE(c_int, c_int, c_int, POINTER(c_void_p))
    pointer = HOOKPROTYPE(keyboard_pro)
    keyboard_hd = SetWindowsHookEx(
        win32con.WH_KEYBOARD_LL,
        pointer,
        GetModuleHandle(None),
        0)
    wait_for_msg()

hProgMan = FindWindow('ProgMan',None)
hShellDefView = FindWindowEx(hProgMan,None,'SHELLDLL_DefView',None)
SysListView32 = FindWindowEx(hShellDefView,None,'SysListView32',None)
desk = GetDesktopWindow()
#Nm = GetWindowText(SysListView32)
c = GetWindowRect(SysListView32)
count = SendMessage(SysListView32,LVM_GETITEMCOUNT,0,0)
print('count:',count)
print(c)
cur = 2

def MAKELPARAM(x,y):
    x=int(x)
    y=int(y)
    return y<<16 | x
def get_child_windows(parent):
    #获得parent的所有子窗口句柄
     #返回子窗口句柄列表
    if not parent:         
        return      
    hwndChildList = []     
    EnumChildWindows(parent, lambda hwnd, param: param.append(hwnd),  hwndChildList)          
    return hwndChildList

class vector:
    def __init__(self,x,y):
        self.x, self.y = x, y
    def add(self, vec):
        return vector(self.x+vec.x,self.y+vec.y)
    def set(self, vec):
        self.x, self.y = vec.x, vec.y
    def mult(self, num):
        return vector(self.x*num,self.y*num)

v=vector(0,0)

pos=[vector(c[2]/2,c[3]/2),vector(c[2]/2,c[3]/2),vector(randint(100,c[2]-100),randint(100,c[3]-100))]
SendMessage(SysListView32,LVM_SETITEMPOSITION,0,MAKELPARAM(pos[0].x,pos[0].y))
SendMessage(SysListView32,LVM_SETITEMPOSITION,1,MAKELPARAM(pos[1].x,pos[1].y))
SendMessage(SysListView32,LVM_SETITEMPOSITION,cur,MAKELPARAM(pos[cur].x,pos[cur].y))
for i in range(cur,count):
    pos.append(vector(0,-100))
    SendMessage(SysListView32,LVM_SETITEMPOSITION,i,MAKELPARAM(pos[i].x,pos[i].y))

def run(pv):
    for i in range(cur-1,0,-1):
        pos[i].set(pos[i-1])
    pos[0] = pos[0].add(pv.mult(60))
    for i in range(count):
        SendMessage(SysListView32,LVM_SETITEMPOSITION,i,MAKELPARAM(pos[i].x,pos[i].y))
        #print(pos[i][1],end=' ')
    sleep(0.2)
    
frame = 0
Thread(target=start_keyboard_hook).start()
while 1:
    frame+=1
    if key == 37:
     v = vector(-1,0)
    if key == 38:
     v = vector(0,-1)
    if key == 39:
     v = vector(1,0)
    if key == 40:
     v = vector(0,1)
    run(v)
    if sqrt((pos[0].x-pos[cur].x)**2+(pos[0].y-pos[cur].y)**2)<60:
     cur += 1
     pos[cur].set(vector(randint(100,c[2]-100),randint(100,c[3]-100)))
     SendMessage(SysListView32,LVM_SETITEMPOSITION,cur,MAKELPARAM(pos[cur].x,pos[cur].y))

需要先右键点击桌面取消桌面图标与网格对齐。

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