windows下控制桌面图标

Posted on 2016-03-25 23:14  zsh1995  阅读(200)  评论(0)    收藏  举报 
  1 /*
  2     *作者：zsh
  3     *说明：这段代码实现了通过方向键控制图标。需要注意，退出时请按ESC键，不要直接关闭，否则图标无法复位:)。欢迎大家
　　　　　　    进行再创造:)
  4 */
  5 #include<Windows.h>
  6 #include<CommCtrl.h>
  7 #include<Winuser.h>
  8 #include<cmath>
  9 #include<stdio.h>
 10 #include <conio.h> 
 11 typedef struct _WidowSize{
 12     int Width;
 13     int Height;
 14 }WindowSize;
 15 typedef struct GluttonousSnake{
 16     POINT positon[50];
 17     POINT vel;
 18     int num;
 19 }GluSnake;
 20 
 21 HWND hDestTop;
 22 void gotoxy(POINT Des, int IconSeq);
 23 void InitIcon();
 24 void GetWindowSize(WindowSize *winSize);
 25 void SnakeMove(GluSnake *iSnake);
 26 void SnakeShow(GluSnake *iSnake);
 27 void ReadIcoPt(POINT *icoPt, int icoNum);
 28 
 29 int main()
 30 {
 31     WindowSize WinSize;
 32     InitIcon();//初始化，获得句柄
 33     GetWindowSize(&WinSize);//获得桌面尺寸
 34     int IconNum = SendMessage(hDestTop, LVM_GETITEMCOUNT, 0, 0);//获取图标总数
 35     int key;
 36     POINT icoPosition[40];
 37     ReadIcoPt(icoPosition, IconNum);
 38     GluSnake iSnake;
 39     iSnake.num = 2;
 40     iSnake.positon[0].x = 330;
 41     iSnake.positon[0].y = 330;
 42     iSnake.positon[1].x = 280;
 43     iSnake.positon[1].y = 330;
 44     iSnake.vel.x = 1;
 45     iSnake.vel.y = 0;
 46     bool zsh = 1;
 47     while (1&&zsh)
 48     {
 49         //
 50         //读取键盘值
 51         if (_kbhit())
 52         {
 53             if ((key = _getch()) == 224)    key = _getch();
 54             switch (key)
 55             {
 56             case 80:iSnake.vel.y != -1 ? (iSnake.vel.x = 0, iSnake.vel.y = 1) : printf("\a"); break;//DOWN
 57             case 72:iSnake.vel.y != 1 ? (iSnake.vel.x = 0, iSnake.vel.y = -1) : printf("\a"); break;//UP
 58             case 75:iSnake.vel.x != 1 ? (iSnake.vel.x = -1, iSnake.vel.y = 0) : printf("\a"); break;//LEFT
 59             case 77:iSnake.vel.x != -1 ? (iSnake.vel.x = 1, iSnake.vel.y = 0) : printf("\a"); break;//RIGHT
 60             case 27:zsh = 0; break;//ESC退出
 61             }
 62         }
 63         //每个节点动起来(操作数组)
 64         SnakeMove(&iSnake);
 65         //节点显示(实际移动)
 66         SnakeShow(&iSnake);
 67         Sleep(250);
 68     }
 69     //恢复图标位置
 70     for (int cnt = 0; cnt < IconNum; cnt++)
 71     {
 72         gotoxy(icoPosition[cnt], cnt);
 73     }
 74     ListView_RedrawItems(hDestTop, 0, ListView_GetItemCount(hDestTop) - 1);
 75     UpdateWindow(hDestTop);
 76     return 0;
 77 }
 78 void ReadIcoPt(POINT *icoPt, int icoNum)
 79 {
 80     DWORD   dwProcessId;
 81     GetWindowThreadProcessId(hDestTop,
 82         &dwProcessId);//通过桌面窗口句柄获取此窗口所在进程的PID,其实就是explorer进程   
 83 
 84     HANDLE   hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwProcessId);//打开指定PID进程,取得进程句柄  
 85     LPVOID   lpvPt = VirtualAllocEx(hProcess,
 86                                     NULL,
 87                                     sizeof(POINT),
 88                                     MEM_COMMIT,
 89                                     PAGE_READWRITE);//在指定进程里面申请一个POINI结构大小的空间.   
 90     POINT   pt;
 91     int cnt;
 92     for (cnt = 0; cnt < icoNum; cnt++)
 93     {
 94         ListView_GetItemPosition(hDestTop,
 95                                 cnt,
 96                                 lpvPt);//获取第一个图标的坐标,存入lpvPt
 97         ReadProcessMemory(hProcess,
 98                             lpvPt,
 99                             &pt,
100                             sizeof(POINT),
101                             NULL);
102         //lpvPt不是本进程里面的,不能使用,所以就要    利用ReadProcessMemory从指定进程给读出来
103         icoPt[cnt].x = pt.x;
104         icoPt[cnt].y = pt.y;
105 //        printf("%d,%d\n", pt.x, pt.y);
106     }
107 //    getchar();
108     VirtualFreeEx(hProcess, lpvPt, 0, MEM_RELEASE);//    释放申请的空间
109     CloseHandle(hProcess);//关闭句柄
110 }
111 
112 void InitIcon()
113 {
114     hDestTop = ::FindWindow("progman", NULL);
115     hDestTop = ::FindWindowEx(hDestTop, 0, "shelldll_defview", NULL);
116     hDestTop = ::FindWindowEx(hDestTop, 0, "syslistview32", NULL);
117 }
118 
119 void GetWindowSize(WindowSize *WinSize)
120 {
121     HWND    hDesk;
122     RECT    rc;
123     hDesk = GetDesktopWindow();
124     GetWindowRect(hDesk, &rc);
125     WinSize->Width = rc.right - rc.left;
126     WinSize->Height = rc.bottom - rc.top;
127 }
128 void gotoxy(POINT Des, int IconSeq)
129 {
130     SendMessage(hDestTop, LVM_SETITEMPOSITION, IconSeq, MAKELPARAM(Des.x, Des.y));
131 }
132 void SnakeMove(GluSnake *iSnake)
133 {
134     int cnt;
135     WindowSize iWinSize;
136     GetWindowSize(&iWinSize);
137     for (cnt = 1; cnt < iSnake->num; cnt++)//从后向前，后一个值改为前一个的值
138     {
139         iSnake->positon[iSnake->num - cnt].x =
140             iSnake->positon[iSnake->num - cnt - 1].x;
141         iSnake->positon[iSnake->num - cnt].y =
142             iSnake->positon[iSnake->num - cnt - 1].y;
143     }
144     iSnake->positon[0].x += iSnake->vel.x * 50;
145     iSnake->positon[0].y += iSnake->vel.y * 50;
146     if (iSnake->positon[0].x >= iWinSize.Width || iSnake->positon[0].y >= iWinSize.Height)//出界
147     {
148         iSnake->positon[0].x %= iWinSize.Width;
149         iSnake->positon[0].y %= iWinSize.Height;
150     }
151     if (iSnake->positon[0].x < 0)//出界
152     {
153         iSnake->positon[0].x += iWinSize.Width;
154     }
155     if (iSnake->positon[0].y < 0)//出界
156     {
157         iSnake->positon[0].y += iWinSize.Height;
158     }
159 }
160 void SnakeShow(GluSnake *iSnake)
161 {
162     int cnt;
163     for (cnt = 0; cnt < iSnake->num; cnt++)//依次将所有节点显示到指定位置
164     {
165         gotoxy(iSnake->positon[cnt], cnt + 1);
166     }
167 }