C++用桌面图标系列之三【整理-时钟】

他来了，他来了，桌面图标一百种玩法第三种，桌面时钟。

学会了就发给女朋友玩吧，效果炫酷，学不了吃亏，学不了上当，走过路过不要错过。

老规矩，先看看视频效果。

C++用桌面图标系列之三【整理-时钟】

核心代码

除了基本的时间展示之外，还包含了初始动画。

int nScreenWith;
int nScreenHeigh;
typedef struct tagMovingIcon
{int index;int targetX;int targetY;int startX;int startY;int aniDelay;                           //动画延迟时间，随机的。打造一种乱中有序的氛围}MovingIcon, *PMovingIcon;vector<MovingIcon> vMoveAniIcons;           //动画队列的图标索引
ULONGLONG startAniTick;                     //记录动画起始时间DWORD dwProcessId = 0;
HANDLE hProcess;
LPVOID lpvPt;BOOL MoveTo(int numIndex, int posX, int posY, int iconIndex, bool moveAni = false);
void WriteNumber(int numIndex, int numberShade[ROW][COL], bool moveAni = false);
BOOL CALLBACK EnumWindowsProc(_In_ HWND TopHandle, _In_ LPARAM topparamhandle);
void DoMoveAni();
//桌面图标层句柄
HWND  hwndSysListView32;//逻辑起点
void ClockLogic()
{vector<int(*)[COL]> vNumberShade;vNumberShade.push_back(num0);vNumberShade.push_back(num1);vNumberShade.push_back(num2);vNumberShade.push_back(num3);vNumberShade.push_back(num4);vNumberShade.push_back(num5);vNumberShade.push_back(num6);vNumberShade.push_back(num7);vNumberShade.push_back(num8);vNumberShade.push_back(num9);HWND  hwndParent = ::FindWindow("Progman", "Program Manager");HWND  hwndSHELLDLL_DefView = ::FindWindowEx(hwndParent, NULL, "SHELLDLL_DefView", NULL);hwndSysListView32 = ::FindWindowEx(hwndSHELLDLL_DefView, NULL, "SysListView32", "FolderView");if (hwndSysListView32 == NULL){//***注意，某些情句柄有空的，尝试用下面的函数来查找句柄***//***也可以自行使用vs的工具spy++工具来查看层级是否准确*****EnumWindows(EnumWindowsProc, (LPARAM)nullptr);if (hwndSysListView32 == NULL)return;}int iconCount = ListView_GetItemCount(hwndSysListView32);if (iconCount < TOTAL_ICON_COUNT){//图标数量不够啊大佬，多复制几个return;}GetWindowThreadProcessId(hwndSysListView32, &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hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwProcessId);                   //打开指定PID进程,取得进程句柄lpvPt = VirtualAllocEx(hProcess, NULL, sizeof(POINT), MEM_COMMIT, PAGE_READWRITE);//在指定进程里面申请一个POINI结构大小的空间.for (size_t i = 0; i < iconCount; i++){if (i >= TOTAL_ICON_COUNT - 1){//这里会将所有多余的桌面图标放到接们看不见的位置，后面可以右键桌面设置对齐网格还原图标位置SendMessage(hwndSysListView32, LVM_SETITEMPOSITION, i, MAKELPARAM(-100, -100));}else{//将图标打乱，这部分只是为了拍视频  可删除random_device rd;uniform_int_distribution<int> ranX(0, nScreenWith);uniform_int_distribution<int> ranY(0, nScreenHeigh);SendMessage(hwndSysListView32, LVM_SETITEMPOSITION, i, MAKELPARAM(ranX(rd), ranY(rd)));}}//这部分只是为了拍视频   可删除Sleep(3000);time_t currentTime;struct tm* p;ULONGLONG nextClockTick = GetTickCount64() + ANI_TOTAL_TIME + ANI_DELAY_TIME;//加上动画需要的时间，动画阶数再开始显示时间ULONGLONG nextAniTick = GetTickCount64();startAniTick = GetTickCount64();int checkHour = -1;int checkMin = -1;while (1){if (GetTickCount64() >= nextAniTick){time(&currentTime);p = localtime(&currentTime);if (vMoveAniIcons.size() <= 0){int hour1 = p->tm_hour / 10;int hour2 = p->tm_hour % 10;WriteNumber(0, vNumberShade[hour1], true);WriteNumber(1, vNumberShade[hour2], true);int min1 = p->tm_min / 10;int min2 = p->tm_min % 10;WriteNumber(2, vNumberShade[min1], true);WriteNumber(3, vNumberShade[min2], true);int sec1 = p->tm_sec / 10;int sec2 = p->tm_sec % 10;WriteNumber(4, vNumberShade[sec1], true);WriteNumber(5, vNumberShade[sec2], true);}DoMoveAni();nextAniTick += 10;//移动间隔}//下面是正式的时钟显示逻辑///if (GetTickCount64() < nextClockTick)continue;nextClockTick = GetTickCount64() + 1000;time(&currentTime);p = localtime(&currentTime);//小时if (checkHour == -1 || checkHour != p->tm_hour){checkHour = p->tm_hour;int hour1 = p->tm_hour / 10;//十位数int hour2 = p->tm_hour % 10;//个位数WriteNumber(0, vNumberShade[hour1]);WriteNumber(1, vNumberShade[hour2]);}//分钟if (checkMin == -1 || checkMin != p->tm_min){checkMin = p->tm_min;int min1 = p->tm_min / 10;int min2 = p->tm_min % 10;WriteNumber(2, vNumberShade[min1]);WriteNumber(3, vNumberShade[min2]);}//秒的int sec1 = p->tm_sec / 10;int sec2 = p->tm_sec % 10;WriteNumber(4, vNumberShade[sec1]);WriteNumber(5, vNumberShade[sec2]);}}void WriteNumber(int numIndex, int numberShade[ROW][COL], bool moveAni)
{int nIconIndex = numIndex * (ROW * COL);for (size_t row = 0; row < ROW; row++){for (size_t col = 0; col < COL; col++){if (numberShade[row][col] == 1)MoveTo(numIndex, row, col, nIconIndex, moveAni);elseMoveTo(numIndex, -1, -1, nIconIndex, moveAni);  //不需要显示的就挪到看不见的地方++nIconIndex;}}
}//图标iconIndex 移动到目标点
BOOL MoveTo(int numIndex, int row, int col, int iconIndex, bool moveAni)
{//int numGap = numIndex % 2 == 0 ? (numIndex / 2) * NUM_GAP2 : ((numIndex - 1) / 2) * NUM_GAP2 + NUM_GAP1;//int targetX = 0, targetY = 0, numGap = 0;if (row == -1)//需要移出屏幕的图标{targetX = -100;targetY = 0;}else if (numIndex == 0 || numIndex == 1)//时{numGap = numIndex % 2 == 0 ? 0 : NUM_GAP1;targetX = nScreenWith / 4 - GRID_WIDTH * COL + numGap + col * GRID_WIDTH;targetY = nScreenHeigh / 3 + row * GRID_WIDTH - 120;}else if (numIndex == 2 || numIndex == 3)//分{numGap = numIndex % 2 == 0 ? 0 : NUM_GAP1;targetX = (3 * nScreenWith / 4) - GRID_WIDTH * COL + numGap + col * GRID_WIDTH;targetY = nScreenHeigh / 3 + row * GRID_WIDTH - 120;}else if (numIndex == 4 || numIndex == 5)//秒{numGap = numIndex % 2 == 0 ? 0 : NUM_GAP1;targetX = nScreenWith / 2 - GRID_WIDTH * COL + numGap + col * GRID_WIDTH;targetY = nScreenHeigh / 2 + row * GRID_WIDTH + 30;}//需要播放动画的if (moveAni && row != -1){//获取图标初始位置POINT pIconCurPos;ListView_GetItemPosition(hwndSysListView32, iconIndex, lpvPt);ReadProcessMemory(hProcess, lpvPt, &pIconCurPos, sizeof(POINT), NULL);random_device rd;//取0 - ANI_DELAY_TIME的随机数uniform_int_distribution<int> dist(0, ANI_DELAY_TIME);MovingIcon icon;icon.index = iconIndex;icon.targetX = targetX;icon.targetY = targetY;icon.startX = pIconCurPos.x;icon.startY = pIconCurPos.y;icon.aniDelay = dist(rd);//放到动画队列里vMoveAniIcons.push_back(icon);}else{SendMessage(hwndSysListView32, LVM_SETITEMPOSITION, iconIndex, MAKELPARAM(targetX, targetY));}return true;
}//做初始动画
void DoMoveAni()
{//动画做了多久ULONGLONG nPassedTime = GetTickCount64() - startAniTick;if (nPassedTime > ANI_TOTAL_TIME + ANI_DELAY_TIME)return;for (auto iter = vMoveAniIcons.begin(); iter != vMoveAniIcons.end(); ++iter){if (nPassedTime < iter->aniDelay)continue;if (nPassedTime - iter->aniDelay >= ANI_TOTAL_TIME){//校正最后的位置SendMessage(hwndSysListView32, LVM_SETITEMPOSITION, iter->index, MAKELPARAM(iter->targetX, iter->targetY));continue;}//当前所在位置  =  (经过的时间 / 总时间) * (总路程)//按时间比例来算，应该不复杂 = =！int targetX = 0, targetY = 0;targetX = ((double)(nPassedTime - iter->aniDelay) / (ANI_TOTAL_TIME)) * (iter->targetX - iter->startX);targetY = ((double)(nPassedTime - iter->aniDelay) / (ANI_TOTAL_TIME)) * (iter->targetY - iter->startY);//在vs的输出界面打印信息char out0[128] = { 0 };sprintf(out0, "index=%d x=%d y=%d \n", iter->index, targetX, targetY);//OutputDebugStringA(out0);targetX += iter->startX;targetY += iter->startY;SendMessage(hwndSysListView32, LVM_SETITEMPOSITION, iter->index, MAKELPARAM(targetX, targetY));}
}

这里是完整代码和可执行文件。

https://download.csdn.net/download/Yang9325/16745587

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C++用桌面图标系列之三【整理-时钟】

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