msgbox.c

PocketCMD是与pocketconsole配合实用的命令行解释器（Shell）

/*
 * MSGBOX.C - msgbox internal command.
 *
 * clone from 4nt msgbox command
 *
 * 25 Aug 1999
 *     started - Paolo Pantaleo <[e-mail]>
 */

#include "config.h"

#ifdef INCLUDE_CMD_MSGBOX

#include "cmd.h"


#define U_TYPE_INIT 0

//undefine it to allow to omit arguments
//that will be replaced by default ones
#define _SYNTAX_CHECK


INT CommandMsgbox (LPTSTR cmd, LPTSTR param)
{
	//used to parse command line
	LPTSTR tmp;

	//used to find window title (used as messagebox title)
	//and to find window handle to pass to MessageBox
	HWND hWnd;
	TCHAR buff[128];

	//these are MessabeBox() parameters
	LPTSTR title, prompt= _T("");
	UINT uType=U_TYPE_INIT;

	//set default title to window title
	GetConsoleTitle(buff,128);
	title = buff;

	if (_tcsncmp (param, _T("/?"), 2) == 0)
	{
		ConOutPuts(	  _T("display a message box and return user responce\n")
		              _T("\n")
		              _T("MSGBOX type [\"title\"] prompt\n")
		              _T("\n")
		              _T("type          button displayed\n")
		              _T("              possible values are: OK, OKCANCEL,\n")
		              _T("              YESNO, YESNOCANCEL\n")
		              _T("title         title of message box\n")
		              _T("prompt        text displayed by the message box\n")
		              _T("\n")
		              _T("\n")
		              _T("ERRORLEVEL is set according the button pressed:\n")
		              _T("\n")
		              _T("YES  :  10    |  NO      :  11\n")
		              _T("OK   :  10    |  CANCEL  :  12\n"));
		return 0;
	}

	//yes here things are quite massed up :)

	//skip spaces
	while(_istspace(*param))
		param++;

	//search for type of messagebox (ok, okcancel, ...)
	if (_tcsnicmp(param, _T("ok "),3 ) == 0)
	{	
		uType |= MB_ICONEXCLAMATION | MB_OK;
		param+=3;
	}
	else if (_tcsnicmp(param, _T("okcancel "),9 ) == 0)
	{
		uType |= MB_ICONQUESTION | MB_OKCANCEL;
		param+=9;
	}
	else if (_tcsnicmp(param, _T("yesno "),6 ) == 0)
	{
		uType |= MB_ICONQUESTION | MB_YESNO;
		param+=6;
	}
	else if (_tcsnicmp(param, _T("yesnocancel "), 12 ) == 0)
	{
		uType |= MB_ICONQUESTION | MB_YESNOCANCEL;
		param+=12;
	}
	else{
#ifdef _SYNTAX_CHECK
		error_req_param_missing ();
		return 1;
#else
		uType |= MB_ICONEXCLAMATION | MB_OK;
#endif
	}


	//skip spaces
	while(_istspace(*param))
		param++;

#ifdef _SYNTAX_CHECK
	//if reached end of string
	//it is an error becuase we do not yet have prompt
	if ( *param == 0)
	{
		error_req_param_missing ();
		return 1;
	}
#endif

	//search for "title"
	tmp = param;

	if(*param == '"')
	{
		tmp = _tcschr(param+1,'"');
		if (tmp)
		{
			*tmp = 0;
		title = param+1;
		tmp++;
		param = tmp;
		}
	}

	//skip spaces
	while(_istspace(*param))
		param++;
#ifdef _SYNTAX_CHECK
	//get prompt
	if ( *param == 0)
	{
		error_req_param_missing ();
		return 1;
	}
#endif

	prompt = param;

	hWnd=GetConsoleWindow ();
//        DebugPrintf("FindWindow hWnd = %d\n",hWnd); 
        ConErrPrintf(_T("FindWindow hWnd = %d\n"),hWnd); 

	switch (
		MessageBox(hWnd,prompt,title,uType)
		)
	{
	case IDYES:
	case IDOK:
		nErrorLevel = 10;
		break;

	case IDNO:
		nErrorLevel = 11;
		break;

	case IDCANCEL:
		nErrorLevel = 12;
		break;
	}

	return 0;
}

#endif /* INCLUDE_CMD_MSGBOX */