Source code of Windows XP (NT5)
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//*********************************************************************
//* Microsoft Windows **
//* Copyright(c) Microsoft Corp., 1993 **
//*********************************************************************
#include "admincfg.h"
HINSTANCE ghInst; // current instance
CHAR *pbufTemplates; //Buffer containing list of all active template files
HGLOBAL hBufTemplates;
DWORD dwBufTemplates;
BOOL ParseCommandLine(LPSTR lpszCommandLine,DWORD * pdwFlags);
extern VOID RunDialogMode(HWND hWnd,HWND hwndUser);
BOOL RestoreWindowPlacement( HWND hWnd,int nCmdShow);
//extern HBRUSH hbrWindow;
//extern HBRUSH hbrWindowText;
//extern HFONT hfontHelv;
CHAR szAppName[SMALLBUF];
DWORD dwCmdLineFlags=0;
DWORD dwDlgRetCode=AD_SUCCESS;
BOOL g_bWinnt;
/*******************************************************************
NAME: WinMain
SYNOPSIS: App entry point
********************************************************************/
int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
LPSTR lpCmdLine,int nCmdShow)
{
MSG msg;
HANDLE hAccelTable;
OSVERSIONINFO ver;
//
// Determine if we are running on Windows NT
//
ver.dwOSVersionInfoSize = sizeof(ver);
if (GetVersionEx(&ver)) {
g_bWinnt = (ver.dwPlatformId == VER_PLATFORM_WIN32_NT);
} else {
g_bWinnt = FALSE;
}
//
// If this is NT, turn off alignment faults
//
if (g_bWinnt) {
UINT uiErrMode;
uiErrMode = SetErrorMode(0);
SetErrorMode (uiErrMode | SEM_NOALIGNMENTFAULTEXCEPT);
}
if (!LoadString(hInstance,IDS_APPNAME,szAppName,sizeof(szAppName))) {
MsgBox(NULL,IDS_ErrOUTOFMEMORY,MB_ICONEXCLAMATION,MB_OK);
return FALSE;
}
// allocate the buffer to read template files into
if (!(hBufTemplates = GlobalAlloc(GHND,MEDIUMBUF)) ||
!(pbufTemplates = (CHAR *) GlobalLock(hBufTemplates))) {
if (hBufTemplates)
GlobalFree(hBufTemplates);
return FALSE;
}
dwBufTemplates = MEDIUMBUF;
// validate command line flags, if in dialog mode make sure we have all the requred
// pieces. If not, bag out
if (!ParseCommandLine(lpCmdLine,&dwCmdLineFlags) ||
(dwCmdLineFlags & CLF_DIALOGMODE) && (!(dwCmdLineFlags &
CLF_USETEMPLATENAME) || !(dwCmdLineFlags & CLF_USEPOLICYFILENAME) ||
!(dwCmdLineFlags & (CLF_USEWORKSTATIONNAME | CLF_USEUSERNAME)))) {
MsgBox(NULL,IDS_ErrCOMMANDLINE,MB_ICONEXCLAMATION,MB_OK);
return FALSE;
}
if (!hPrevInstance) {
if (!InitApplication(hInstance)) {
return (FALSE);
}
}
/* Perform initializations that apply to a specific instance */
if (!InitInstance(hInstance, nCmdShow)) {
#ifdef DEBUG
OutputDebugString("InitInstance returned FALSE\r\n");
#endif
return (FALSE);
}
hAccelTable = LoadAccelerators (hInstance,MAKEINTRESOURCE(IDA_ACCEL));
/* Acquire and dispatch messages until a WM_QUIT message is received. */
while (GetMessage(&msg,NULL,0,0))
{
if (!TranslateAccelerator (msg.hwnd, hAccelTable, &msg)) {
TranslateMessage(&msg);// Translates virtual key codes
DispatchMessage(&msg); // Dispatches message to window
}
}
// if (hfontHelv) DeleteObject(hfontHelv);
if (dwCmdLineFlags & CLF_DIALOGMODE)
ExitProcess(dwDlgRetCode);
return (int)(msg.wParam); // Returns the value from PostQuitMessage
lpCmdLine; // This will prevent 'unused formal parameter' warnings
}
/****************************************************************************
NAME: ParseCommandLine
SYNOPSIS: Parses command line for filename and other information
****************************************************************************/
BOOL ParseCommandLine(LPSTR lpszCommandLine,DWORD * pdwFlags)
{
CHAR * GetTextToNextSpace(LPSTR pszText,CHAR * pszOutBuf,UINT cbOutBuf,
BOOL fSkipLeading);
if (!lpszCommandLine || !*lpszCommandLine)
return TRUE; // nothing to do
while (*lpszCommandLine) {
// advance past spaces
while (*lpszCommandLine == ' ')
lpszCommandLine ++;
if (*lpszCommandLine == '/') {
lpszCommandLine ++;
if (!*lpszCommandLine)
return FALSE;
switch (*lpszCommandLine) {
case 'u':
case 'U': // user name
lpszCommandLine = GetTextToNextSpace(lpszCommandLine,
szDlgModeUserName,sizeof(szDlgModeUserName),TRUE);
if (!lstrlen(szDlgModeUserName)) return FALSE;
*pdwFlags |= CLF_USEUSERNAME;
break;
case 'w':
case 'W': // workstation name
lpszCommandLine = GetTextToNextSpace(lpszCommandLine,
szDlgModeUserName,sizeof(szDlgModeUserName),TRUE);
if (!lstrlen(szDlgModeUserName)) return FALSE;
*pdwFlags |= CLF_USEWORKSTATIONNAME;
break;
case 't':
case 'T': // template name
lpszCommandLine = GetTextToNextSpace(lpszCommandLine,
pbufTemplates,dwBufTemplates,TRUE);
if (!lstrlen(pbufTemplates)) return FALSE;
*pdwFlags |= CLF_USETEMPLATENAME;
break;
case 'f':
case 'F': // file name
lpszCommandLine = GetTextToNextSpace(lpszCommandLine,
szDatFilename,sizeof(szDatFilename),TRUE);
if (!lstrlen(szDatFilename)) return FALSE;
*pdwFlags |= CLF_USEPOLICYFILENAME;
break;
case 'd':
case 'D': // dialog mode switch
*pdwFlags |= CLF_DIALOGMODE;
lpszCommandLine++;
break;
default:
return FALSE;
}
} else {
lpszCommandLine = GetTextToNextSpace(lpszCommandLine,
szDatFilename,sizeof(szDatFilename),FALSE);
return TRUE;
}
}
return TRUE;
}
CHAR * GetTextToNextSpace(LPSTR pszText,CHAR * pszOutBuf,UINT cbOutBuf,
BOOL fSkipLeading)
{
BOOL fInQuote = FALSE;
lstrcpy(pszOutBuf,szNull);
if (!pszText)
return NULL;
if (fSkipLeading) {
// skip 1st character
pszText++;
// skip leading colon, if there is one
if (*pszText == ':') pszText ++;
}
while (*pszText && cbOutBuf>1) {
if (*pszText == ' ' && !fInQuote)
break;
if (*pszText == '\"') {
fInQuote = !fInQuote;
} else {
*pszOutBuf = *pszText;
pszOutBuf ++;
cbOutBuf --;
}
pszText ++;
}
if (cbOutBuf)
*pszOutBuf = '\0'; // null-terminate
while (*pszText == ' ')
pszText++; // advance past spaces
return pszText;
}
/****************************************************************************
NAME: InitApplication
SYNOPSIS: Initializes window data and registers window class
****************************************************************************/
BOOL InitApplication(HINSTANCE hInstance)
{
WNDCLASS wc;
// Fill in window class structure with parameters that describe the
// main window.
wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;// Class style(s).
wc.lpfnWndProc = (WNDPROC)WndProc; // Window Procedure
wc.cbClsExtra = 0; // No per-class extra data.
wc.cbWndExtra = 0; // No per-window extra data.
wc.hInstance = hInstance; // Owner of this class
wc.hIcon = LoadIcon (hInstance, MAKEINTRESOURCE(IDI_APPICON));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
wc.lpszMenuName = MAKEINTRESOURCE(IDM_MAIN);
wc.lpszClassName = szAppName; // Name to register as
// Register the window class and return success/failure code.
if (!RegisterClass(&wc)) return FALSE;
wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;// Class style(s).
wc.lpfnWndProc = (WNDPROC)ClipWndProc; // Window Procedure
wc.cbClsExtra = 0; // No per-class extra data.
wc.cbWndExtra = sizeof(DWORD);
wc.hInstance = hInstance; // Owner of this class
wc.hIcon = NULL;
wc.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = "ClipClass"; // Name to register as
if (!RegisterClass(&wc)) return FALSE;
return TRUE;
}
/*******************************************************************
NAME: InitInstance
SYNOPSIS: Saves instance handle and creates main window
********************************************************************/
BOOL InitInstance(HINSTANCE hInstance,int nCmdShow)
{
HWND hWnd; // Main window handle.
DWORD dwStyle = WS_OVERLAPPEDWINDOW;
// Save the instance handle in static variable, which will be used in
// many subsequence calls from this application to Windows.
ghInst = hInstance; // Store instance handle in our global variable
if (dwCmdLineFlags & CLF_DIALOGMODE)
dwStyle = (WS_OVERLAPPED | WS_CAPTION) &~ WS_VISIBLE; // invisible window
// Create a main window for this application instance.
hWnd = CreateWindow(
szAppName, // See RegisterClass() call.
szAppName, // Text for window title bar.
dwStyle, // Window style.
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, // Use default positioning
NULL, // Overlapped windows have no parent.
NULL, // Use the window class menu.
hInstance, // This instance owns this window.
NULL // We don't use any data in our WM_CREATE
);
// If window could not be created, return "failure"
if (!hWnd) {
return (FALSE);
}
SetClassLongPtr(hWnd, GCLP_HICONSM, (LONG_PTR)LoadIcon(hInstance, szAppName));
// hide app window if in dialog mode (but still create it to minimize
// code path changes elsewhere)
if (dwCmdLineFlags & CLF_DIALOGMODE)
nCmdShow = SW_HIDE;
RestoreWindowPlacement(hWnd, nCmdShow);
UpdateWindow(hWnd); // Sends WM_PAINT message
if (dwCmdLineFlags & CLF_DIALOGMODE) {
RunDialogMode(hWnd,hwndUser);
DestroyWindow(hWnd);
}
return (TRUE);
}
/****************************************************************************
FUNCTION: About(HWND, UINT, WPARAM, LPARAM)
PURPOSE: Processes messages for "About" dialog box
MESSAGES:
WM_INITDIALOG - initialize dialog box
WM_COMMAND - Input received
COMMENTS:
Display version information from the version section of the
application resource.
Wait for user to click on "Ok" button, then close the dialog box.
****************************************************************************/
LRESULT CALLBACK About(
HWND hDlg, // window handle of the dialog box
UINT message, // type of message
WPARAM uParam, // message-specific information
LPARAM lParam)
{
return (FALSE); // Didn't process the message
lParam; // This will prevent 'unused formal parameter' warnings
}