chatclient.c

PrintNow is a 32-bit application that runs only under Windows 95 or Windows NT 4.0. It allows your

#include <windows.h>
#include "resource.h"
#include "time.h"

#define ID_RECEIVEEDIT 1
#define ID_SENDEDIT 2
#define ID_BUTTONSEND  3
#define ID_BUTTONRECVFILE  4
#define IDC_MAIN_EDIT	5
#define ID_SERVPORT 6
#define ID_BUTTONCONN 7
#define ID_BUTTONSENDFILE 8

#define SERVER_PORT 1111
#define WM_SOCKET (WM_USER+1)

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);

char SERVER_ADDR[50]="";

const int ID_TIMER = 1;

const int BALL_MOVE_DELTA = 2;//小球每次移动的距离

typedef struct _BALLINFO 
{
	int width;
	int height;
	int x;
	int y;
	
	int dx;
	int dy;
}BALLINFO;

BALLINFO g_ballInfo;
HBITMAP g_hbmBall = NULL;
HBITMAP g_hbmMask = NULL;

//创建位图
HBITMAP CreateBitmapMask(HBITMAP hbmColour, COLORREF crTransparent)
{
	HDC hdcMem, hdcMem2;
	HBITMAP hbmMask;
	BITMAP bm;
	
	GetObject(hbmColour, sizeof(BITMAP), &bm);
	hbmMask = CreateBitmap(bm.bmWidth, bm.bmHeight, 1, 1, NULL);
	
	hdcMem = CreateCompatibleDC(0);
	hdcMem2 = CreateCompatibleDC(0);
	
	SelectObject(hdcMem, hbmColour);
	SelectObject(hdcMem2, hbmMask);
	

	
	BitBlt(hdcMem2, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem, 0, 0, SRCCOPY);
	
	BitBlt(hdcMem, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem2, 0, 0, SRCINVERT);
	
	DeleteDC(hdcMem);
	DeleteDC(hdcMem2);
	
	return hbmMask;
}


//显示小球
void DrawBall(HDC hdc, RECT* prc)
{
	HBRUSH hbrush=CreateSolidBrush(RGB(100,180,100));//设置小球背景

	HDC hdcBuffer = CreateCompatibleDC(hdc);
	HBITMAP hbmBuffer = CreateCompatibleBitmap(hdc, prc->right, prc->bottom);
	HBITMAP hbmOldBuffer = SelectObject(hdcBuffer, hbmBuffer);
	
	HDC hdcMem = CreateCompatibleDC(hdc);
	HBITMAP hbmOld = SelectObject(hdcMem, g_hbmMask);



	FillRect(hdcBuffer,prc,hbrush);
	
	BitBlt(hdcBuffer, g_ballInfo.x, g_ballInfo.y, g_ballInfo.width,
		g_ballInfo.height, hdcMem, 0, 0, SRCAND);
	
	SelectObject(hdcMem, g_hbmBall);
	BitBlt(hdcBuffer, g_ballInfo.x, g_ballInfo.y, g_ballInfo.width, g_ballInfo.height, hdcMem, 0, 0, SRCPAINT);
	
	BitBlt(hdc, 0, 0, prc->right, prc->bottom, hdcBuffer, 0, 0, SRCCOPY);
	
	SelectObject(hdcMem, hbmOld);
	DeleteDC(hdcMem);
	
	SelectObject(hdcBuffer, hbmOldBuffer);
	DeleteDC(hdcBuffer);
	DeleteObject(hbmBuffer);
}


//更新小球
void UpdateBall(RECT* prc)
{
	g_ballInfo.x += g_ballInfo.dx;
	g_ballInfo.y += g_ballInfo.dy;
	
	if(g_ballInfo.x < 0)
	{
		g_ballInfo.x = 0;
		g_ballInfo.dx = BALL_MOVE_DELTA;
	}
	else if(g_ballInfo.x + g_ballInfo.width > prc->right)
	{
		g_ballInfo.x = prc->right - g_ballInfo.width;
		g_ballInfo.dx = -BALL_MOVE_DELTA;
	}
	
	if(g_ballInfo.y < 0)
	{
		g_ballInfo.y = 0;
		g_ballInfo.dy = BALL_MOVE_DELTA;
	}
	else if(g_ballInfo.y + g_ballInfo.height > prc->bottom)
	{
		g_ballInfo.y = prc->bottom - g_ballInfo.height;
		g_ballInfo.dy = -BALL_MOVE_DELTA;
	}
}





//帮助对话框显示
BOOL CALLBACK AboutDlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
	switch(Message)
	{
	case WM_INITDIALOG:
		
		return TRUE;
	case WM_COMMAND:
		switch(LOWORD(wParam))
		{
		case IDOK:
			EndDialog(hwnd, IDOK);
			break;
		case IDCANCEL:
			EndDialog(hwnd, IDCANCEL);
			break;
		}
		break;
		default:
			return FALSE;
	}
	return TRUE;
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
				   LPSTR lpcmdLine, int nCmdShow)
{
	static TCHAR szAppName[]= TEXT("ChatClient");
	static TCHAR szClassName[]= TEXT("ChatClientClass");
	HWND hwnd;
	MSG msg;
	WNDCLASS wndclass;
	
	wndclass.style			= CS_HREDRAW | CS_VREDRAW;
	wndclass.lpfnWndProc	= WndProc;
	wndclass.cbClsExtra		= 0;
	wndclass.cbWndExtra		= 0;
	wndclass.hInstance		= hInstance;
	wndclass.hIcon			= (HICON)LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_MYICON), IMAGE_ICON, 16, 16, 0);//LoadIcon( NULL, IDI_APPLICATION );
	wndclass.hCursor		= LoadCursor( NULL,IDC_ARROW );
	wndclass.hbrBackground	= (HBRUSH)GetStockObject( WHITE_BRUSH );
	wndclass.lpszMenuName	= MAKEINTRESOURCE(IDR_MENU1);
	wndclass.lpszClassName	= szClassName;
	
	
	
	if ( !RegisterClass( &wndclass ) )
	{
		MessageBox( NULL, TEXT("This program requires Windows NT!"),
			szAppName, MB_ICONERROR );
		
		return 0;
	}
	
	hwnd = CreateWindow( szClassName, TEXT("Simple WinSock Chat Client"),
		WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
		CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
		NULL, NULL,	hInstance, NULL	);	
	
	ShowWindow( hwnd, nCmdShow );
	UpdateWindow( hwnd );
	
	while ( GetMessage( &msg, NULL, 0, 0 ) )
	{
		TranslateMessage( &msg );
		DispatchMessage( &msg );
	}
	
	return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	HINSTANCE		hInstance;
	static HWND		hwndReceiveEdit, hwndSendEdit,hwndButtonSend,hwndButtonRecvFile,
		hwndServPort,hwndButtonConn,hwndSendFile;
	WSADATA			WSAData;
	static struct	sockaddr_in server;
	static SOCKET	remote_server;
	int				nError;
	WORD			wEvent, wError;
	static byte	szReceive[100000],szChar[100000];
	static TCHAR	szSend[10000];
	DWORD dwWrite,dwRead,dwFileSize;
	HANDLE hf;
	
	
	static int		cxClient,cyClient;
	static HPEN		hpen;
	static HRGN		hrgn,hrgnx,hrgny;
	int x,y;


//接收文件句柄
	OPENFILENAME ofn;
	char szFileName[MAX_PATH] = "";
//发送文件句炳
	HANDLE hfsend; 
	OPENFILENAME sendfile;       // common dialog box structure
	char szFile[260]="";
	

char szShow[1000]="",tbuffer[10];
//	HBRUSH hbrush;
	



	UINT ret;
	
	BITMAP bm;
	RECT rcClient;
	//选定客户区
	rcClient.bottom=600;
	rcClient.top=0;
	rcClient.left=0;
	rcClient.right=200;

	//send file
	ZeroMemory(&sendfile, sizeof(OPENFILENAME));
	sendfile.lStructSize = sizeof(OPENFILENAME);
	sendfile.hwndOwner = hwnd;
	sendfile.lpstrFile = szFile;
	
	sendfile.nMaxFile = sizeof(szFile);
	
sendfile.nFilterIndex = 1;
	sendfile.lpstrFileTitle = NULL;
	sendfile.nMaxFileTitle = 0;
	sendfile.lpstrInitialDir = NULL;
	sendfile.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST|OFN_EXPLORER;
	sendfile.nFileOffset=0;
	sendfile.nFileExtension=0;
	sendfile.lpstrDefExt=NULL;
	sendfile.lCustData=0;
	sendfile.lpfnHook=NULL;


	//recv file


	ZeroMemory(&ofn, sizeof(OPENFILENAME));
	
	ofn.lStructSize = sizeof(OPENFILENAME);
	ofn.hwndOwner = hwnd;
	ofn.lpstrFilter = "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0";
	ofn.lpstrFile = szFileName;
	ofn.nMaxFile = MAX_PATH;
	ofn.lpstrDefExt = "txt";
	ofn.Flags = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
	
	
	switch( message )
	{
	case WM_CREATE:
		
		
		
		//选入小球
		g_hbmBall = LoadBitmap(GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_BALL));
		if(g_hbmBall == NULL)
			MessageBox(hwnd, "Could not load IDB_BALL!", "Error", MB_OK | MB_ICONEXCLAMATION);
		
		g_hbmMask = CreateBitmapMask(g_hbmBall, RGB(0, 0, 0));
		if(g_hbmMask == NULL)
			MessageBox(hwnd, "Could not create mask!", "Error", MB_OK | MB_ICONEXCLAMATION);
		
		GetObject(g_hbmBall, sizeof(bm), &bm);
		
		ZeroMemory(&g_ballInfo, sizeof(g_ballInfo));
		g_ballInfo.width = bm.bmWidth;
		g_ballInfo.height = bm.bmHeight;
		
		g_ballInfo.dx = BALL_MOVE_DELTA;
		g_ballInfo.dy = BALL_MOVE_DELTA;
		
		ret = SetTimer(hwnd, ID_TIMER, 50, NULL);