www.pudn.com > vim53src.zip > os_win32.c


/* vi:set ts=8 sts=4 sw=4: 
 * 
 * VIM - Vi IMproved	by Bram Moolenaar 
 * 
 * Do ":help uganda"  in Vim to read copying and usage conditions. 
 * Do ":help credits" in Vim to see a list of people who contributed. 
 */ 
 
/* 
 * os_win32.c 
 * 
 * Used for both the console version and the Win32 GUI.  A lot of code is for 
 * the console version only, so there is a lot of "#ifndef USE_GUI_WIN32". 
 * 
 * Win32 (Windows NT and Windows 95) system-dependent routines. 
 * Portions lifted from the Win32 SDK samples, the MSDOS-dependent code, 
 * NetHack 3.1.3, GNU Emacs 19.30, and Vile 5.5. 
 * 
 * George V. Reilly  wrote most of this. 
 * Roger Knobbe  did the initial port of Vim 3.0. 
 */ 
 
#include  
#include "vim.h" 
 
#ifdef HAVE_FCNTL_H 
# include  
#endif 
#include  
#include  
#include  
#include  
#include  
 
#define STRICT 
#define WIN32_LEAN_AND_MEAN 
#include  
 
#undef chdir 
#ifdef __GNUC__ 
#include  
#else 
#include  
#endif 
 
 
/* Record all output and all keyboard & mouse input */ 
/* #define MCH_WRITE_DUMP */ 
 
#ifdef MCH_WRITE_DUMP 
FILE* fdDump = NULL; 
#endif 
 
 
/* 
 * When generating prototypes for Win32 on Unix, these lines make the syntax 
 * errors disappear.  They do not need to be correct. 
 */ 
#ifdef PROTO 
# define HANDLE int 
# define SMALL_RECT int 
# define COORD int 
# define SHORT int 
# define WORD int 
# define DWORD int 
# define BOOL int 
# define LPSTR int 
# define KEY_EVENT_RECORD int 
# define MOUSE_EVENT_RECORD int 
# define WINAPI 
# define CONSOLE_CURSOR_INFO int 
# define LPCSTR char_u * 
# define WINBASEAPI 
#endif 
 
#ifndef USE_GUI_WIN32 
/* Undocumented API in kernel32.dll needed to work around dead key bug in 
 * console-mode applications in NT 4.0.  If you switch keyboard layouts 
 * in a console app to a layout that includes dead keys and then hit a 
 * dead key, a call to ToAscii will trash the stack.  My thanks to Ian James 
 * and Michael Dietrich for helping me figure out this workaround. 
 */ 
 
/* WINBASEAPI BOOL WINAPI GetConsoleKeyboardLayoutNameA(LPSTR); */ 
#if defined(__BORLANDC__) || defined(__GNUC__) 
typedef BOOL (*PFNGCKLN)(LPSTR); 
#else 
typedef WINBASEAPI BOOL (WINAPI *PFNGCKLN)(LPSTR); 
#endif 
PFNGCKLN    s_pfnGetConsoleKeyboardLayoutName = NULL; 
#endif 
 
#if defined(__GNUC__) && !defined(PROTO) 
int _stricoll(char *a, char *b) 
{ 
    // the ANSI-ish correct way is to use strxfrm(): 
    char a_buff[512], b_buff[512];  // file names, so this is enough on Win32 
    strxfrm(a_buff, a, 512); 
    strxfrm(b_buff, b, 512); 
    return strcoll(a_buff, b_buff); 
} 
 
char * _fullpath(char *buf, char *fname, int len) 
{ 
    LPTSTR toss; 
 
   return (char *) GetFullPathName(fname, len, buf, &toss); 
} 
 
int _chdrive(int drive) 
{ 
    char temp [3] = "-:"; 
    temp[0] = drive + 'A' - 1; 
    return !SetCurrentDirectory(temp); 
} 
#else 
#ifdef __BORLANDC__ 
// being a more ANSI compliant compiler, BorlandC doesn't define _stricoll: 
// but it does in BC 5.02! 
#if __BORLANDC__ < 0x502 
int _stricoll(char *a, char *b) 
{ 
#if 1 
    // this is fast but not correct: 
    return stricmp(a,b); 
#else 
    // the ANSI-ish correct way is to use strxfrm(): 
    char a_buff[512], b_buff[512];  // file names, so this is enough on Win32 
    strxfrm(a_buff, a, 512); 
    strxfrm(b_buff, b, 512); 
    return strcoll(a_buff, b_buff); 
#endif 
} 
#endif 
#endif 
#endif 
 
#ifndef USE_GUI_WIN32 
/* Win32 Console handles for input and output */ 
static HANDLE g_hConIn	= INVALID_HANDLE_VALUE; 
static HANDLE g_hSavOut = INVALID_HANDLE_VALUE; 
static HANDLE g_hCurOut = INVALID_HANDLE_VALUE; 
static HANDLE g_hConOut = INVALID_HANDLE_VALUE; 
 
/* Win32 Screen buffer,coordinate,console I/O information */ 
static SMALL_RECT g_srScrollRegion; 
static COORD	  g_coord;  /* 0-based, but external coords are 1-based */ 
 
/* The attribute of the screen when the editor was started */ 
static WORD  g_attrDefault = 7;  /* lightgray text on black background */ 
static WORD  g_attrCurrent; 
 
static int g_fCBrkPressed = FALSE;  /* set by ctrl-break interrupt */ 
static int g_fCtrlCPressed = FALSE; /* set when ctrl-C or ctrl-break detected */ 
static char_u g_chPending = NUL; 
 
static void termcap_mode_start(void); 
static void termcap_mode_end(void); 
static void clear_chars(COORD coord, DWORD n); 
static void clear_screen(void); 
static void clear_to_end_of_display(void); 
static void clear_to_end_of_line(void); 
static void scroll(unsigned cLines); 
static void set_scroll_region(unsigned left, unsigned top, 
			      unsigned right, unsigned bottom); 
static void insert_lines(unsigned cLines); 
static void delete_lines(unsigned cLines); 
static void gotoxy(unsigned x, unsigned y); 
static void normvideo(void); 
static void textattr(WORD wAttr); 
static void textcolor(WORD wAttr); 
static void textbackground(WORD wAttr); 
static void standout(void); 
static void standend(void); 
static void visual_bell(void); 
static void cursor_visible(BOOL fVisible); 
static BOOL write_chars(LPCSTR pchBuf, DWORD cchToWrite, DWORD* pcchWritten); 
static char_u tgetch(void); 
static void create_conin(void); 
static void mch_set_cursor_shape(int thickness); 
static int s_cursor_visible = TRUE; 
static int did_create_conin = FALSE; 
#else 
static int s_dont_use_vimrun = TRUE; 
static char *vimrun_path = "vimrun "; 
#endif 
 
/* 
 * The old solution for opening a console is still there. 
 */ 
//#define OLD_CONSOLE_STUFF 
 
#ifdef OLD_CONSOLE_STUFF 
static void mch_open_console(void); 
static void mch_close_console(int wait_key, DWORD ret); 
#endif 
struct growarray error_ga = {0, 0, 0, 0, NULL}; 
 
#ifndef USE_GUI_WIN32 
static int suppress_winsize = 1;	/* don't fiddle with console */ 
#endif 
 
/* This symbol is not defined in older versions of the SDK or Visual C++ */ 
 
#ifndef VER_PLATFORM_WIN32_WINDOWS 
# define VER_PLATFORM_WIN32_WINDOWS 1 
#endif 
 
static void PlatformId(void); 
static DWORD g_PlatformId; 
 
/* 
 * Set g_PlatformId to VER_PLATFORM_WIN32_NT (NT) or 
 * VER_PLATFORM_WIN32_WINDOWS (Win95). 
 */ 
    static void 
PlatformId(void) 
{ 
    static int done = FALSE; 
 
    if (!done) 
    { 
	OSVERSIONINFO ovi; 
 
	ovi.dwOSVersionInfoSize = sizeof(ovi); 
	GetVersionEx(&ovi); 
 
	g_PlatformId = ovi.dwPlatformId; 
	done = TRUE; 
    } 
} 
 
/* 
 * Return TRUE when running on Windows 95.  Only to be used after 
 * mch_windinit(). 
 */ 
    int 
mch_windows95(void) 
{ 
    return g_PlatformId == VER_PLATFORM_WIN32_WINDOWS; 
} 
 
#ifdef USE_GUI_WIN32 
/* 
 * Used to work around the "can't do synchronous spawn" 
 * problem on Win32s, without resorting to Universal Thunk. 
 */ 
static int old_num_windows; 
static int num_windows; 
 
    static BOOL CALLBACK 
win32ssynch_cb(HWND hwnd, LPARAM lparam) 
{ 
    num_windows++; 
    return TRUE; 
} 
#endif 
 
#ifndef USE_GUI_WIN32 
 
#define SHIFT  (SHIFT_PRESSED) 
#define CTRL   (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED) 
#define ALT    (RIGHT_ALT_PRESSED  | LEFT_ALT_PRESSED) 
#define ALT_GR (RIGHT_ALT_PRESSED  | LEFT_CTRL_PRESSED) 
 
 
/* When uChar.AsciiChar is 0, then we need to look at wVirtualKeyCode. 
 * We map function keys to their ANSI terminal equivalents, as produced 
 * by ANSI.SYS, for compatibility with the MS-DOS version of Vim.  Any 
 * ANSI key with a value >= '\300' is nonstandard, but provided anyway 
 * so that the user can have access to all SHIFT-, CTRL-, and ALT- 
 * combinations of function/arrow/etc keys. 
 */ 
 
const static struct 
{ 
    WORD    wVirtKey; 
    BOOL    fAnsiKey; 
    int	    chAlone; 
    int	    chShift; 
    int	    chCtrl; 
    int	    chAlt; 
} VirtKeyMap[] = 
{ 
 
/*    Key	ANSI	alone	shift	ctrl	    alt */ 
    { VK_ESCAPE,FALSE,	ESC,	ESC,	ESC,	    ESC,    }, 
 
    { VK_F1,	TRUE,	';',	'T',	'^',	    'h', }, 
    { VK_F2,	TRUE,	'<',	'U',	'_',	    'i', }, 
    { VK_F3,	TRUE,	'=',	'V',	'`',	    'j', }, 
    { VK_F4,	TRUE,	'>',	'W',	'a',	    'k', }, 
    { VK_F5,	TRUE,	'?',	'X',	'b',	    'l', }, 
    { VK_F6,	TRUE,	'@',	'Y',	'c',	    'm', }, 
    { VK_F7,	TRUE,	'A',	'Z',	'd',	    'n', }, 
    { VK_F8,	TRUE,	'B',	'[',	'e',	    'o', }, 
    { VK_F9,	TRUE,	'C',	'\\',	'f',	    'p', }, 
    { VK_F10,	TRUE,	'D',	']',	'g',	    'q', }, 
    { VK_F11,	TRUE,	'\205',	'\207',	'\211',	    '\213', }, 
    { VK_F12,	TRUE,	'\206',	'\210',	'\212',	    '\214', }, 
 
    { VK_HOME,	TRUE,	'G',	'\302',	'w',	    '\303', }, 
    { VK_UP,	TRUE,	'H',	'\304',	'\305',	    '\306', }, 
    { VK_PRIOR,	TRUE,	'I',	'\307',	'\204',	    '\310', }, /*PgUp*/ 
    { VK_LEFT,	TRUE,	'K',	'\311',	's',	    '\312', }, 
    { VK_RIGHT,	TRUE,	'M',	'\313',	't',	    '\314', }, 
    { VK_END,	TRUE,	'O',	'\315',	'u',	    '\316', }, 
    { VK_DOWN,	TRUE,	'P',	'\317',	'\320',	    '\321', }, 
    { VK_NEXT,	TRUE,	'Q',	'\322',	'v',	    '\323', }, /*PgDn*/ 
    { VK_INSERT,TRUE,	'R',	'\324',	'\325',	    '\326', }, 
    { VK_DELETE,TRUE,	'S',	'\327',	'\330',	    '\331', }, 
 
    { VK_SNAPSHOT,TRUE,	0,	0,	0,	    'r', }, /*PrtScrn*/ 
 
    /* Most people don't have F13-F20, but what the hell... */ 
    { VK_F13,	TRUE,	'\332',	'\333',	'\334',	    '\335', }, 
    { VK_F14,	TRUE,	'\336',	'\337',	'\340',	    '\341', }, 
    { VK_F15,	TRUE,	'\342',	'\343',	'\344',	    '\345', }, 
    { VK_F16,	TRUE,	'\346',	'\347',	'\350',	    '\351', }, 
    { VK_F17,	TRUE,	'\352',	'\353',	'\354',	    '\355', }, 
    { VK_F18,	TRUE,	'\356',	'\357',	'\360',	    '\361', }, 
    { VK_F19,	TRUE,	'\362',	'\363',	'\364',	    '\365', }, 
    { VK_F20,	TRUE,	'\366',	'\367',	'\370',	    '\371', }, 
}; 
 
 
// The ToAscii bug destroys several registers.	Need to turn off optimization 
// or the GetConsoleKeyboardLayoutName hack will fail in non-debug versions 
 
#pragma optimize("", off) 
 
 
/* The return code indicates key code size. */ 
    static int 
win32_kbd_patch_key( 
    KEY_EVENT_RECORD* pker) 
{ 
    static int s_iIsDead = 0; 
    static WORD awAnsiCode[2]; 
    UINT uMods = pker->dwControlKeyState; 
    BYTE abKeystate[256]; 
 
    if (s_iIsDead == 2) 
    { 
#ifdef __GNUC__ 
	pker->AsciiChar = (CHAR) awAnsiCode[1]; 
#else 
	pker->uChar.AsciiChar = (CHAR) awAnsiCode[1]; 
#endif 
	s_iIsDead = 0; 
	return 1; 
    } 
 
#ifdef __GNUC__ 
    if (pker->AsciiChar != 0) 
#else 
    if (pker->uChar.AsciiChar != 0) 
#endif 
	return 1; 
 
    memset(abKeystate, 0, sizeof (abKeystate)); 
 
    // Should only be non-NULL on NT 4.0 
    if (s_pfnGetConsoleKeyboardLayoutName != NULL) 
    { 
	CHAR szKLID[KL_NAMELENGTH]; 
 
	if (s_pfnGetConsoleKeyboardLayoutName(szKLID)) 
	    (void)LoadKeyboardLayout(szKLID, KLF_ACTIVATE); 
    } 
 
    /* Clear any pending dead keys */ 
    ToAscii(VK_SPACE, MapVirtualKey(VK_SPACE, 0), abKeystate, awAnsiCode, 0); 
 
    if (uMods & SHIFT_PRESSED) 
	abKeystate[VK_SHIFT] = 0x80; 
    if (uMods & CAPSLOCK_ON) 
	abKeystate[VK_CAPITAL] = 1; 
 
    if ((uMods & ALT_GR) == ALT_GR) 
    { 
	abKeystate[VK_CONTROL] = abKeystate[VK_LCONTROL] = 
	    abKeystate[VK_MENU] = abKeystate[VK_RMENU] = 0x80; 
    } 
 
    s_iIsDead = ToAscii(pker->wVirtualKeyCode, pker->wVirtualScanCode, 
			abKeystate, awAnsiCode, 0); 
 
    if (s_iIsDead > 0) 
#ifdef __GNUC__ 
	pker->AsciiChar = (CHAR) awAnsiCode[0]; 
#else 
	pker->uChar.AsciiChar = (CHAR) awAnsiCode[0]; 
#endif 
 
    return s_iIsDead; 
} 
 
/* MUST switch optimization on again here, otherwise a call to 
 * decode_key_event() may crash (e.g. when hitting caps-lock) */ 
#pragma optimize("", on) 
 
#if (_MSC_VER < 1100) 
/* MUST turn off global optimisation for this next function, or 
 * pressing ctrl-minus in insert mode crashes Vim when built with 
 * VC4.1. -- negri. */ 
#pragma optimize("g", off) 
#endif 
 
static BOOL g_fJustGotFocus = FALSE; 
 
/* 
 * Decode a KEY_EVENT into one or two keystrokes 
 */ 
    static BOOL 
decode_key_event( 
    KEY_EVENT_RECORD	*pker, 
    char_u		*pch, 
    char_u		*pchPending, 
    BOOL		fDoPost) 
{ 
    int i; 
    const int nModifs = pker->dwControlKeyState & (SHIFT | ALT | CTRL); 
 
    *pch = *pchPending = NUL; 
    g_fJustGotFocus = FALSE; 
 
    /* ignore key up events */ 
    if (!pker->bKeyDown) 
	return FALSE; 
 
    /* ignore some keystrokes */ 
    switch (pker->wVirtualKeyCode) 
    { 
    /* modifiers */ 
    case VK_SHIFT: 
    case VK_CONTROL: 
    case VK_MENU:   /* Alt key */ 
	return FALSE; 
 
    default: 
	break; 
    } 
 
    /* special cases */ 
    if ((nModifs & CTRL) != 0 && (nModifs & ~CTRL) == 0 
#ifdef __GNUC__ 
	    && pker->AsciiChar == NUL) 
#else 
	    && pker->uChar.AsciiChar == NUL) 
#endif 
    { 
	/* Ctrl-6 is Ctrl-^ */ 
	if (pker->wVirtualKeyCode == '6') 
	{ 
	    *pch = Ctrl('^'); 
	    return TRUE; 
	} 
	/* Ctrl-2 is Ctrl-@ */ 
	else if (pker->wVirtualKeyCode == '2') 
	{ 
	    *pch = NUL; 
	    return TRUE; 
	} 
    } 
 
    /* Shift-TAB */ 
    if (pker->wVirtualKeyCode == VK_TAB && (nModifs & SHIFT_PRESSED)) 
    { 
	*pch = K_NUL; 
	*pchPending = '\017'; 
	return TRUE; 
    } 
 
    for (i = sizeof(VirtKeyMap) / sizeof(VirtKeyMap[0]);  --i >= 0;  ) 
    { 
	if (VirtKeyMap[i].wVirtKey == pker->wVirtualKeyCode) 
	{ 
	    if (nModifs == 0) 
		*pch = VirtKeyMap[i].chAlone; 
	    else if ((nModifs & SHIFT) != 0 && (nModifs & ~SHIFT) == 0) 
		*pch = VirtKeyMap[i].chShift; 
	    else if ((nModifs & CTRL) != 0 && (nModifs & ~CTRL) == 0) 
		*pch = VirtKeyMap[i].chCtrl; 
	    else if ((nModifs & ALT) != 0 && (nModifs & ~ALT) == 0) 
		*pch = VirtKeyMap[i].chAlt; 
 
	    if (*pch != 0) 
	    { 
		if (VirtKeyMap[i].fAnsiKey) 
		{ 
		    *pchPending = *pch; 
		    *pch = K_NUL; 
		} 
 
		return TRUE; 
	    } 
	} 
    } 
 
    i = win32_kbd_patch_key(pker); 
 
    if (i < 0) 
	*pch = NUL; 
    else 
#ifdef __GNUC__ 
	*pch = (i > 0)	?  pker->AsciiChar  :  NUL; 
#else 
	*pch = (i > 0)	?  pker->uChar.AsciiChar  :  NUL; 
#endif 
 
    return (*pch != NUL); 
} 
#pragma optimize("", on) 
#endif /* USE_GUI_WIN32 */ 
 
 
#ifdef USE_MOUSE 
 
/* 
 * For the GUI the mouse handling is in gui_w32.c. 
 */ 
# ifdef USE_GUI_WIN32 
    void 
mch_setmouse( 
    int on) 
{ 
} 
# else 
static int g_fMouseAvail = FALSE;   /* mouse present */ 
static int g_fMouseActive = FALSE;  /* mouse enabled */ 
static int g_nMouseClick = -1;	    /* mouse status */ 
static int g_xMouse;		    /* mouse x coordinate */ 
static int g_yMouse;		    /* mouse y coordinate */ 
 
/* 
 * Enable or disable mouse input 
 */ 
    void 
mch_setmouse( 
    int on) 
{ 
    DWORD cmodein; 
 
    if (! g_fMouseAvail) 
	return; 
 
    g_fMouseActive = on; 
    GetConsoleMode(g_hConIn, &cmodein); 
 
    if (g_fMouseActive) 
	cmodein |= ENABLE_MOUSE_INPUT; 
    else 
	cmodein &= ~ENABLE_MOUSE_INPUT; 
 
    SetConsoleMode(g_hConIn, cmodein); 
} 
 
 
/* 
 * Decode a MOUSE_EVENT.  If it's a valid event, return MOUSE_LEFT, 
 * MOUSE_MIDDLE, or MOUSE_RIGHT for a click; MOUSE_DRAG for a mouse 
 * move with a button held down; and MOUSE_RELEASE after a MOUSE_DRAG 
 * or a MOUSE_LEFT, _MIDDLE, or _RIGHT.  We encode the button type, 
 * the number of clicks, and the Shift/Ctrl/Alt modifiers in g_nMouseClick, 
 * and we return the mouse position in g_xMouse and g_yMouse. 
 * 
 * Every MOUSE_LEFT, _MIDDLE, or _RIGHT will be followed by zero or more 
 * MOUSE_DRAGs and one MOUSE_RELEASE.  MOUSE_RELEASE will be followed only 
 * by MOUSE_LEFT, _MIDDLE, or _RIGHT. 
 * 
 * For multiple clicks, we send, say, MOUSE_LEFT/1 click, MOUSE_RELEASE, 
 * MOUSE_LEFT/2 clicks, MOUSE_RELEASE, MOUSE_LEFT/3 clicks, MOUSE_RELEASE, .... 
 * 
 * Windows will send us MOUSE_MOVED notifications whenever the mouse 
 * moves, even if it stays within the same character cell.  We ignore 
 * all MOUSE_MOVED messages if the position hasn't really changed, and 
 * we ignore all MOUSE_MOVED messages where no button is held down (i.e., 
 * we're only interested in MOUSE_DRAG). 
 * 
 * All of this is complicated by the code that fakes MOUSE_MIDDLE on 
 * 2-button mouses by pressing the left & right buttons simultaneously. 
 * In practice, it's almost impossible to click both at the same time, 
 * so we need to delay a little.  Also, we tend not to get MOUSE_RELEASE 
 * in such cases, if the user is clicking quickly. 
 */ 
    static BOOL 
decode_mouse_event( 
    MOUSE_EVENT_RECORD* pmer) 
{ 
    static int s_nOldButton = -1; 
    static int s_nOldMouseClick = -1; 
    static int s_xOldMouse = -1; 
    static int s_yOldMouse = -1; 
    static linenr_t s_old_topline = 0; 
    static int s_cClicks = 1; 
    static BOOL s_fReleased = TRUE; 
    static s_dwLastClickTime = 0; 
    static BOOL s_fNextIsMiddle = FALSE; 
 
    const DWORD LEFT = FROM_LEFT_1ST_BUTTON_PRESSED; 
    const DWORD MIDDLE = FROM_LEFT_2ND_BUTTON_PRESSED; 
    const DWORD RIGHT = RIGHTMOST_BUTTON_PRESSED; 
    const DWORD LEFT_RIGHT = LEFT | RIGHT; 
 
    int nButton; 
 
    if (! g_fMouseAvail || !g_fMouseActive) 
    { 
	g_nMouseClick = -1; 
	return FALSE; 
    } 
 
    /* get a spurious MOUSE_EVENT immediately after receiving focus; ignore */ 
    if (g_fJustGotFocus) 
    { 
	g_fJustGotFocus = FALSE; 
	return FALSE; 
    } 
 
    /* unprocessed mouse click? */ 
    if (g_nMouseClick != -1) 
	return TRUE; 
 
    nButton = -1; 
    g_xMouse = pmer->dwMousePosition.X; 
    g_yMouse = pmer->dwMousePosition.Y; 
 
    if (pmer->dwEventFlags == MOUSE_MOVED) 
    { 
	/* ignore MOUSE_MOVED events if (x, y) hasn't changed.	(We get these 
	 * events even when the mouse moves only within a char cell.) */ 
	if (s_xOldMouse == g_xMouse && s_yOldMouse == g_yMouse) 
	    return FALSE; 
    } 
 
    /* If no buttons are pressed... */ 
    if (pmer->dwButtonState == 0) 
    { 
	/* If the last thing returned was MOUSE_RELEASE, ignore this */ 
	if (s_fReleased) 
	    return FALSE; 
 
	nButton = MOUSE_RELEASE; 
	s_fReleased = TRUE; 
    } 
    else    /* one or more buttons pressed */ 
    { 
	const int cButtons = GetSystemMetrics(SM_CMOUSEBUTTONS); 
 
	/* on a 2-button mouse, hold down left and right buttons 
	 * simultaneously to get MIDDLE. */ 
 
	if (cButtons == 2 && s_nOldButton != MOUSE_DRAG) 
	{ 
	    DWORD dwLR = (pmer->dwButtonState & LEFT_RIGHT); 
 
	    /* if either left or right button only is pressed, see if the 
	     * the next mouse event has both of them pressed */ 
	    if (dwLR == LEFT || dwLR == RIGHT) 
	    { 
		for (;;) 
		{ 
		    /* wait a short time for next input event */ 
		    if (WaitForSingleObject(g_hConIn, p_mouset / 3) 
			!= WAIT_OBJECT_0) 
			break; 
		    else 
		    { 
			DWORD cRecords = 0; 
			INPUT_RECORD ir; 
			MOUSE_EVENT_RECORD* pmer2 = &ir.Event.MouseEvent; 
 
			PeekConsoleInput(g_hConIn, &ir, 1, &cRecords); 
 
			if (cRecords == 0 || ir.EventType != MOUSE_EVENT 
				|| !(pmer2->dwButtonState & LEFT_RIGHT)) 
			    break; 
			else 
			{ 
			    if (pmer2->dwEventFlags != MOUSE_MOVED) 
			    { 
				ReadConsoleInput(g_hConIn, &ir, 1, &cRecords); 
 
				return decode_mouse_event(pmer2); 
			    } 
			    else if (s_xOldMouse == pmer2->dwMousePosition.X && 
				     s_yOldMouse == pmer2->dwMousePosition.Y) 
			    { 
				/* throw away spurious mouse move */ 
				ReadConsoleInput(g_hConIn, &ir, 1, &cRecords); 
 
				/* are there any more mouse events in queue? */ 
				PeekConsoleInput(g_hConIn, &ir, 1, &cRecords); 
 
				if (cRecords==0 || ir.EventType != MOUSE_EVENT) 
				    break; 
			    } 
			    else 
				break; 
			} 
		    } 
		} 
	    } 
	} 
 
	if (s_fNextIsMiddle) 
	{ 
	    nButton = (pmer->dwEventFlags == MOUSE_MOVED) 
		? MOUSE_DRAG : MOUSE_MIDDLE; 
	    s_fNextIsMiddle = FALSE; 
	} 
	else if (cButtons == 2	&& 
	    ((pmer->dwButtonState & LEFT_RIGHT) == LEFT_RIGHT)) 
	{ 
	    nButton = MOUSE_MIDDLE; 
 
	    if (! s_fReleased && pmer->dwEventFlags != MOUSE_MOVED) 
	    { 
		s_fNextIsMiddle = TRUE; 
		nButton = MOUSE_RELEASE; 
	    } 
	} 
	else if ((pmer->dwButtonState & LEFT) == LEFT) 
	    nButton = MOUSE_LEFT; 
	else if ((pmer->dwButtonState & MIDDLE) == MIDDLE) 
	    nButton = MOUSE_MIDDLE; 
	else if ((pmer->dwButtonState & RIGHT) == RIGHT) 
	    nButton = MOUSE_RIGHT; 
 
	if (! s_fReleased && ! s_fNextIsMiddle 
		&& nButton != s_nOldButton && s_nOldButton != MOUSE_DRAG) 
	    return FALSE; 
 
	s_fReleased = s_fNextIsMiddle; 
    } 
 
    if (pmer->dwEventFlags == 0 || pmer->dwEventFlags == DOUBLE_CLICK) 
    { 
	/* button pressed or released, without mouse moving */ 
	if (nButton != -1 && nButton != MOUSE_RELEASE) 
	{ 
	    DWORD dwCurrentTime = GetTickCount(); 
 
	    if (s_xOldMouse != g_xMouse 
		    || s_yOldMouse != g_yMouse 
		    || s_nOldButton != nButton 
		    || s_old_topline != curwin->w_topline 
		    || (int)(dwCurrentTime - s_dwLastClickTime) > p_mouset) 
	    { 
		s_cClicks = 1; 
	    } 
	    else if (++s_cClicks > 4) 
	    { 
		s_cClicks = 1; 
	    } 
 
	    s_dwLastClickTime = dwCurrentTime; 
	} 
    } 
    else if (pmer->dwEventFlags == MOUSE_MOVED) 
    { 
	if (nButton != -1 && nButton != MOUSE_RELEASE) 
	    nButton = MOUSE_DRAG; 
 
	s_cClicks = 1; 
    } 
 
    if (nButton == -1) 
	return FALSE; 
 
    if (nButton != MOUSE_RELEASE) 
	s_nOldButton = nButton; 
 
    g_nMouseClick = nButton; 
 
    if (pmer->dwControlKeyState & SHIFT_PRESSED) 
	g_nMouseClick |= MOUSE_SHIFT; 
    if (pmer->dwControlKeyState & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) 
	g_nMouseClick |= MOUSE_CTRL; 
    if (pmer->dwControlKeyState & (RIGHT_ALT_PRESSED  | LEFT_ALT_PRESSED)) 
	g_nMouseClick |= MOUSE_ALT; 
 
    /* only pass on interesting (i.e., different) mouse events */ 
    if (s_xOldMouse == g_xMouse 
	    && s_yOldMouse == g_yMouse 
	    && s_nOldMouseClick == g_nMouseClick) 
    { 
	g_nMouseClick = -1; 
	return FALSE; 
    } 
 
    g_nMouseClick |= 0x20; 
 
    s_xOldMouse = g_xMouse; 
    s_yOldMouse = g_yMouse; 
    s_old_topline = curwin->w_topline; 
    s_nOldMouseClick = g_nMouseClick; 
 
    if (nButton != MOUSE_DRAG && nButton != MOUSE_RELEASE) 
	SET_NUM_MOUSE_CLICKS(g_nMouseClick, s_cClicks); 
 
    return TRUE; 
} 
 
# endif /* USE_GUI_WIN32 */ 
#endif /* USE_MOUSE */ 
 
 
#ifndef USE_GUI_WIN32	    /* this isn't used for the GUI */ 
/* 
 * Set the shape of the cursor. 
 * 'thickness' can be from 1 (thin) to 99 (block) 
 */ 
    static void 
mch_set_cursor_shape(int thickness) 
{ 
    CONSOLE_CURSOR_INFO ConsoleCursorInfo; 
    ConsoleCursorInfo.dwSize = thickness; 
    ConsoleCursorInfo.bVisible = s_cursor_visible; 
 
    SetConsoleCursorInfo(g_hCurOut, &ConsoleCursorInfo); 
} 
 
    void 
mch_update_cursor(void) 
{ 
    int		idx; 
    int		thickness; 
 
    /* 
     * How the cursor is drawn depends on the current mode. 
     */ 
    idx = get_cursor_idx(); 
 
    if (cursor_table[idx].shape == SHAPE_BLOCK) 
	thickness = 99;	/* 100 doesn't work on W95 */ 
    else 
	thickness = cursor_table[idx].percentage; 
    mch_set_cursor_shape(thickness); 
} 
 
/* 
 * Wait until console input from keyboard or mouse is available, 
 * or the time is up. 
 * Return TRUE if something is available FALSE if not. 
 */ 
    static int 
WaitForChar(long msec) 
{ 
    DWORD	    dwNow, dwEndTime; 
    INPUT_RECORD    ir; 
    DWORD	    cRecords; 
    char_u	    ch, ch2; 
 
 
    if (msec > 0) 
	dwEndTime = GetTickCount() + msec; 
 
    /* We need to loop until the end of the time period, because 
     * we might get multiple unusable mouse events in that time. 
     */ 
    for (;;) 
    { 
	if (g_chPending != NUL 
#ifdef USE_MOUSE 
				|| g_nMouseClick != -1 
#endif 
							    ) 
	    return TRUE; 
 
	if (msec > 0) 
	{ 
	    dwNow = GetTickCount(); 
	    if (dwNow >= dwEndTime) 
		break; 
	    if (WaitForSingleObject(g_hConIn, dwEndTime - dwNow) 
							     != WAIT_OBJECT_0) 
		continue; 
	} 
 
	cRecords = 0; 
	PeekConsoleInput(g_hConIn, &ir, 1, &cRecords); 
 
	if (cRecords > 0) 
	{ 
#ifdef MULTI_BYTE_IME 
	    /* Windows IME sends two '\n's with only one 'ENTER'. 
	       first, wVirtualKeyCode == 13. second, wVirtualKeyCode == 0 */ 
	    if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown) 
	    { 
		if (ir.Event.KeyEvent.uChar.UnicodeChar == 0 
			&& ir.Event.KeyEvent.wVirtualKeyCode == 13) 
		{ 
		    ReadConsoleInput(g_hConIn, &ir, 1, &cRecords); 
		    continue; 
		} 
		return decode_key_event(&ir.Event.KeyEvent, &ch, &ch2, FALSE); 
	    } 
#else 
	    if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown 
		    && decode_key_event(&ir.Event.KeyEvent, &ch, &ch2, FALSE)) 
		return TRUE; 
#endif 
 
	    ReadConsoleInput(g_hConIn, &ir, 1, &cRecords); 
#ifdef USE_CLIPBOARD 
	    if (ir.EventType == FOCUS_EVENT) 
		g_fJustGotFocus = ir.Event.FocusEvent.bSetFocus; 
#endif 
	    else if (ir.EventType == WINDOW_BUFFER_SIZE_EVENT) 
		set_winsize(Rows, Columns, FALSE); 
#ifdef USE_MOUSE 
	    else if (ir.EventType == MOUSE_EVENT 
		    && decode_mouse_event(&ir.Event.MouseEvent)) 
		return TRUE; 
#endif 
	} 
	else if (msec == 0) 
	    break; 
    } 
 
    return FALSE; 
} 
 
/* 
 * Create the console input.  Used when reading stdin doesn't work. 
 */ 
    static void 
create_conin(void) 
{ 
    g_hConIn =	CreateFile("CONIN$", GENERIC_READ|GENERIC_WRITE, 
			FILE_SHARE_READ|FILE_SHARE_WRITE, 
			(LPSECURITY_ATTRIBUTES) NULL, 
			OPEN_EXISTING, (DWORD)NULL, (HANDLE)NULL); 
    did_create_conin = TRUE; 
} 
 
/* 
 * Get a keystroke or a mouse event 
 */ 
    static char_u 
tgetch(void) 
{ 
    char_u ch; 
 
    if (g_chPending != NUL) 
    { 
	ch = g_chPending; 
	g_chPending = NUL; 
	return ch; 
    } 
 
    for ( ; ; ) 
    { 
	INPUT_RECORD ir; 
	DWORD cRecords = 0; 
 
	if (ReadConsoleInput(g_hConIn, &ir, 1, &cRecords) == 0) 
	{ 
	    if (did_create_conin) 
		read_error_exit(); 
	    create_conin(); 
	    continue; 
	} 
 
	if (ir.EventType == KEY_EVENT) 
	{ 
	    if (decode_key_event(&ir.Event.KeyEvent, &ch, &g_chPending, TRUE)) 
		return ch; 
	} 
#ifdef USE_CLIPBOARD 
	else if (ir.EventType == FOCUS_EVENT) 
	{ 
	    g_fJustGotFocus = ir.Event.FocusEvent.bSetFocus; 
	    /* TRACE("tgetch: Focus %d\n", g_fJustGotFocus); */ 
	} 
#endif 
	else if (ir.EventType == WINDOW_BUFFER_SIZE_EVENT) 
	{ 
	    set_winsize(Rows, Columns, FALSE); 
	} 
#ifdef USE_MOUSE 
	else if (ir.EventType == MOUSE_EVENT) 
	{ 
	    if (decode_mouse_event(&ir.Event.MouseEvent)) 
		return 0; 
	} 
#endif 
    } 
} 
#endif /* !USE_GUI_WIN32 */ 
 
 
/* 
 * mch_inchar(): low-level input funcion. 
 * Get one or more characters from the keyboard or the mouse. 
 * If time == 0, do not wait for characters. 
 * If time == n, wait a short time for characters. 
 * If time == -1, wait forever for characters. 
 * Returns the number of characters read into buf. 
 */ 
    int 
mch_inchar( 
    char_u	*buf, 
    int		maxlen, 
    long	time) 
{ 
#ifndef USE_GUI_WIN32	    /* this isn't used for the GUI */ 
    int		len = 0; 
    int		c; 
 
    if (time >= 0) 
    { 
	if (!WaitForChar(time))     /* no character available */ 
	    return 0; 
    } 
    else    /* time == -1, wait forever */ 
    { 
	/* If there is no character available within 2 seconds (default), 
	 * write the autoscript file to disk */ 
	if (!WaitForChar(p_ut)) 
	    updatescript(0); 
    } 
 
    /* 
     * Try to read as many characters as there are, until the buffer is full. 
     */ 
 
    /* we will get at least one key. Get more if they are available. */ 
    g_fCBrkPressed = FALSE; 
 
#ifdef MCH_WRITE_DUMP 
    if (fdDump) 
	fputc('[', fdDump); 
#endif 
 
    while ((len == 0 || WaitForChar(0)) && len < maxlen) 
    { 
#ifdef USE_MOUSE 
	if (g_nMouseClick != -1 && maxlen - len >= 5) 
	{ 
# ifdef MCH_WRITE_DUMP 
	    if (fdDump) 
		fprintf(fdDump, "{%02x @ %d, %d}", 
			g_nMouseClick, g_xMouse, g_yMouse); 
# endif 
 
	    len += 5; 
	    *buf++ = ESC + 128; 
	    *buf++ = 'M'; 
	    *buf++ = g_nMouseClick; 
	    *buf++ = g_xMouse + '!'; 
	    *buf++ = g_yMouse + '!'; 
	    g_nMouseClick = -1; 
 
	} 
	else 
#endif /* USE_MOUSE */ 
	{ 
	    if ((c = tgetch()) == Ctrl('C')) 
		g_fCBrkPressed = TRUE; 
 
#ifdef USE_MOUSE 
	    if (g_nMouseClick == -1) 
#endif 
	    { 
		*buf++ = c; 
		len++; 
 
#ifdef MCH_WRITE_DUMP 
		if (fdDump) 
		    fputc(c, fdDump); 
#endif 
	    } 
	} 
    } 
 
#ifdef MCH_WRITE_DUMP 
    if (fdDump) 
    { 
	fputs("]\n", fdDump); 
	fflush(fdDump); 
    } 
#endif 
 
    return len; 
#else /* USE_GUI_WIN32 */ 
    return 0; 
#endif /* USE_GUI_WIN32 */ 
} 
 
#ifdef USE_GUI_WIN32 
 
#include 	/* required for FindExecutable() */ 
 
/* 
 * GUI version of mch_windinit(). 
 */ 
    void 
mch_windinit() 
{ 
    extern int _fmode; 
 
    PlatformId(); 
 
    /* Specify window size.  Is there a place to get the default from? */ 
    Rows = 25; 
    Columns = 80; 
 
    _fmode = O_BINARY;		/* we do our own CR-LF translation */ 
 
    /* Look for 'vimrun' */ 
    if (!gui_is_win32s()) 
    { 
	char_u vimrun_location[2 * _MAX_PATH + 2]; 
	char_u widename[40]; 
 
	/* First try in same directory as gvim.exe */ 
	STRCPY(vimrun_location, exe_name); 
	STRCPY(gettail(vimrun_location), "vimrun.exe"); 
	if (mch_getperm(vimrun_location) >= 0) 
	{ 
	    STRCPY(gettail(vimrun_location), "vimrun "); 
	    vimrun_path = (char *)vim_strsave(vimrun_location); 
	    s_dont_use_vimrun = FALSE; 
	} 
	else 
	{ 
	    /* There appears to be a bug in FindExecutableA() on Windows NT. 
	     * Use FindExecutableW() instead... */ 
	    if (g_PlatformId == VER_PLATFORM_WIN32_NT) 
	    { 
		MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)"vimrun.exe", -1, 
							(LPWSTR)widename, 20); 
		if (FindExecutableW((LPCWSTR)widename, (LPCWSTR)"", 
			    (LPWSTR)vimrun_location) > (HINSTANCE)32) 
		    s_dont_use_vimrun = FALSE; 
	    } 
	    else 
	    { 
		if (FindExecutableA((LPCTSTR)"vimrun.exe", (LPCTSTR)"", 
			    (LPTSTR)vimrun_location) > (HINSTANCE)32) 
		    s_dont_use_vimrun = FALSE; 
	    } 
	} 
 
	if (s_dont_use_vimrun) 
	    MessageBox(NULL, 
			"VIMRUN.EXE not found in your $PATH.\n" 
			"External commands will not pause after completion.\n" 
			"See  :help win32-vimrun  for more information.", 
			"Vim Warning", 
			MB_ICONWARNING); 
    } 
 
#ifdef USE_CLIPBOARD 
    clip_init(TRUE); 
 
    /* 
     * Vim's own clipboard format recognises whether the text is char, line, or 
     * rectangular block.  Only useful for copying between two Vims. 
     */ 
    clipboard.format = RegisterClipboardFormat("VimClipboard"); 
#endif 
} 
 
/* 
 * GUI version of mch_windexit(). 
 * Shut down and exit with status `r' 
 * Careful: mch_windexit() may be called before mch_windinit()! 
 */ 
    void 
mch_windexit( 
    int r) 
{ 
    mch_display_error(); 
 
    ml_close_all(TRUE);		/* remove all memfiles */ 
 
# ifdef HAVE_OLE 
    UninitOLE(); 
# endif 
 
    if (gui.in_use) 
	gui_exit(r); 
    exit(r); 
} 
 
#else /* USE_GUI_WIN32 */ 
 
static char g_szOrigTitle[256]; 
static int  g_fWindInitCalled = FALSE; 
static CONSOLE_CURSOR_INFO g_cci; 
static DWORD g_cmodein = 0; 
static DWORD g_cmodeout = 0; 
 
/* 
 * Because of a bug in the Windows 95 Console, we need to set the screen size 
 * back when switching screens. 
 */ 
static int g_nOldRows = 0; 
static int g_nOldColumns = 0; 
 
/* 
 * non-GUI version of mch_windinit(). 
 */ 
    void 
mch_windinit() 
{ 
    CONSOLE_SCREEN_BUFFER_INFO csbi; 
    extern int _fmode; 
 
    PlatformId(); 
 
    _fmode = O_BINARY;		/* we do our own CR-LF translation */ 
    out_flush(); 
 
    /* Obtain handles for the standard Console I/O devices */ 
    if (read_cmd_fd == 0) 
	g_hConIn =  GetStdHandle(STD_INPUT_HANDLE); 
    else 
	create_conin(); 
    g_hSavOut = GetStdHandle(STD_OUTPUT_HANDLE); 
    g_hCurOut = g_hSavOut; 
 
    /* Get current text attributes */ 
    GetConsoleScreenBufferInfo(g_hSavOut, &csbi); 
    g_attrCurrent = g_attrDefault = csbi.wAttributes; 
    GetConsoleCursorInfo(g_hSavOut, &g_cci); 
 
    /* set termcap codes to current text attributes */ 
    update_tcap(csbi.wAttributes); 
 
    GetConsoleMode(g_hConIn,  &g_cmodein); 
    GetConsoleMode(g_hSavOut, &g_cmodeout); 
 
    GetConsoleTitle(g_szOrigTitle, sizeof(g_szOrigTitle)); 
    ui_get_winsize(); 
 
    g_nOldRows = Rows; 
    g_nOldColumns = Columns; 
 
#ifdef MCH_WRITE_DUMP 
    fdDump = fopen("dump", "wt"); 
 
    if (fdDump) 
    { 
	time_t t; 
 
	time(&t); 
	fputs(ctime(&t), fdDump); 
	fflush(fdDump); 
    } 
#endif 
 
    g_fWindInitCalled = TRUE; 
 
#ifdef USE_MOUSE 
    g_fMouseAvail = GetSystemMetrics(SM_MOUSEPRESENT); 
#endif 
 
#ifdef USE_CLIPBOARD 
    clip_init(TRUE); 
 
    /* 
     * Vim's own clipboard format recognises whether the text is char, line, or 
     * rectangular block.  Only useful for copying between two Vims. 
     */ 
    clipboard.format = RegisterClipboardFormat("VimClipboard"); 
#endif 
 
    /* This will be NULL on anything but NT 4.0 */ 
    s_pfnGetConsoleKeyboardLayoutName = 
	(PFNGCKLN) GetProcAddress(GetModuleHandle("kernel32.dll"), 
				  "GetConsoleKeyboardLayoutNameA"); 
    /* 
     * We don't really want to jump to our own screen yet; do that after 
     * starttermcap().	This flashes the window, sorry about that, but 
     * otherwise "vim -r" doesn't work. 
     */ 
    g_hCurOut = g_hSavOut; 
    SetConsoleActiveScreenBuffer(g_hCurOut); 
} 
 
 
/* 
 * non-GUI version of mch_windexit(). 
 * Shut down and exit with status `r' 
 * Careful: mch_windexit() may be called before mch_windinit()! 
 */ 
    void 
mch_windexit( 
    int r) 
{ 
    stoptermcap(); 
    out_char('\r'); 
    out_char('\n'); 
    out_flush(); 
 
    if (g_fWindInitCalled) 
	settmode(TMODE_COOK); 
 
    if (g_hConOut != INVALID_HANDLE_VALUE) 
    { 
	(void)CloseHandle(g_hConOut); 
 
	if (g_hSavOut != INVALID_HANDLE_VALUE) 
	{ 
	    SetConsoleTextAttribute(g_hSavOut, g_attrDefault); 
	    SetConsoleCursorInfo(g_hSavOut, &g_cci); 
	} 
    } 
 
    ml_close_all(TRUE);		/* remove all memfiles */ 
 
    if (g_fWindInitCalled) 
    { 
	mch_restore_title(3); 
 
#ifdef MCH_WRITE_DUMP 
	if (fdDump) 
	{ 
	    time_t t; 
 
	    time(&t); 
	    fputs(ctime(&t), fdDump); 
	    fclose(fdDump); 
	} 
	fdDump = NULL; 
#endif 
    } 
 
    exit(r); 
} 
#endif /* USE_GUI_WIN32 */ 
 
 
/* 
 * Do we have an interactive window? 
 */ 
    int 
mch_check_win( 
    int argc, 
    char **argv) 
{ 
    char	temp[256]; 
    int		i; 
 
    /* store the name of the executable, may be used for $VIM */ 
    GetModuleFileName(NULL, temp, 255); 
    if (*temp != NUL) 
	exe_name = FullName_save((char_u *)temp, FALSE); 
 
    /* Init the tables for toupper() and tolower() */ 
    for (i = 0; i < 256; ++i) 
	toupper_tab[i] = tolower_tab[i] = i; 
    CharUpperBuff(toupper_tab, 256); 
    CharLowerBuff(tolower_tab, 256); 
 
#ifdef USE_GUI_WIN32 
    return OK;	    /* GUI always has a tty */ 
#else 
    if (isatty(1)) 
	return OK; 
    return FAIL; 
#endif 
} 
 
 
/* 
 * Return TRUE if the input comes from a terminal, FALSE otherwise. 
 */ 
    int 
mch_input_isatty() 
{ 
#ifdef USE_GUI_WIN32 
    return OK;	    /* GUI always has a tty */ 
#else 
    if (isatty(read_cmd_fd)) 
	return TRUE; 
    return FALSE; 
#endif 
} 
 
 
/* 
 * Turn a file name into its canonical form.  Replace slashes with backslashes. 
 * This used to replace backslashes with slashes, but that caused problems 
 * when using the file name as a command.  We can't have a mix of slashes and 
 * backslashes, because comparing file names will not work correctly.  The 
 * commands that use file names should be prepared to handle the backslashes. 
 */ 
    static void 
canonicalize_filename( 
    char *pszName) 
{ 
    if (pszName == NULL) 
	return; 
 
    for ( ; *pszName;  pszName++) 
    { 
	if (*pszName == '/') 
	    *pszName = '\\'; 
    } 
} 
 
 
/* 
 * fname_case(): Set the case of the file name, if it already exists. 
 */ 
    void 
fname_case( 
    char_u *name) 
{ 
    char szTrueName[_MAX_PATH + 2]; 
    char *psz, *pszPrev; 
    const int len = (name != NULL)  ?  STRLEN(name)  :	0; 
 
    if (len == 0) 
	return; 
 
    STRNCPY(szTrueName, name, _MAX_PATH); 
    szTrueName[_MAX_PATH] = '\0';   /* ensure it's sealed off! */ 
    STRCAT(szTrueName, "\\");	/* sentinel */ 
 
    for (psz = szTrueName;  *psz != NUL;  psz++) 
	if (*psz == '/') 
	    *psz = '\\'; 
 
    psz = pszPrev = szTrueName; 
 
    /* Skip leading \\ in UNC name or drive letter */ 
    if (len > 2 && ((psz[0] == '\\' && psz[1] == '\\') 
				       || (isalpha(psz[0]) && psz[1] == ':'))) 
    { 
	psz = pszPrev = szTrueName + 2; 
    } 
 
    while (*psz != NUL) 
    { 
	WIN32_FIND_DATA	fb; 
	HANDLE		hFind; 
 
	while (*psz != '\\') 
	    psz++; 
	*psz = NUL; 
 
	if ((hFind = FindFirstFile(szTrueName, &fb)) != INVALID_HANDLE_VALUE) 
	{ 
	    /* avoid ".." and ".", etc */ 
	    if (_stricoll(pszPrev, fb.cFileName) == 0) 
		STRCPY(pszPrev, fb.cFileName); 
	    FindClose(hFind); 
	} 
 
	*psz++ = '\\'; 
	pszPrev = psz; 
    } 
 
    *--psz = NUL;   /* remove sentinel */ 
 
    STRCPY(name, szTrueName); 
} 
 
 
/* 
 * mch_settitle(): set titlebar of our window 
 * Can the icon also be set? 
 */ 
    void 
mch_settitle( 
    char_u *title, 
    char_u *icon) 
{ 
#ifdef USE_GUI_WIN32 
    gui_mch_settitle(title, icon); 
#else 
    if (title != NULL) 
	SetConsoleTitle(title); 
#endif 
} 
 
 
/* 
 * Restore the window/icon title. 
 * which is one of: 
 *  1: Just restore title 
 *  2: Just restore icon (which we don't have) 
 *  3: Restore title and icon (which we don't have) 
 */ 
    void 
mch_restore_title( 
    int which) 
{ 
#ifndef USE_GUI_WIN32 
    mch_settitle((which & 1) ? g_szOrigTitle : NULL, NULL); 
#endif 
} 
 
 
/* 
 * Return TRUE if we can restore the title (we can) 
 */ 
    int 
mch_can_restore_title() 
{ 
    return TRUE; 
} 
 
 
/* 
 * Return TRUE if we can restore the icon (we can't) 
 */ 
    int 
mch_can_restore_icon() 
{ 
    return FALSE; 
} 
 
 
/* 
 * Insert user name in s[len]. 
 */ 
    int 
mch_get_user_name( 
    char_u *s, 
    int len) 
{ 
    char szUserName[MAX_COMPUTERNAME_LENGTH + 1]; 
    DWORD cch = sizeof szUserName; 
 
    if (GetUserName(szUserName, &cch)) 
    { 
	STRNCPY(s, szUserName, len); 
	return OK; 
    } 
    s[0] = NUL; 
    return FAIL; 
} 
 
 
/* 
 * Insert host name in s[len]. 
 */ 
    void 
mch_get_host_name( 
    char_u	*s, 
    int		len) 
{ 
    char szHostName[MAX_COMPUTERNAME_LENGTH + 1]; 
    DWORD cch = sizeof szHostName; 
 
    if (GetComputerName(szHostName, &cch)) 
    { 
	STRCPY(s, "PC "); 
	STRNCPY(s + 3, szHostName, len - 3); 
    } 
    else 
	STRNCPY(s, "PC (Win32 Vim)", len); 
} 
 
 
/* 
 * return process ID 
 */ 
    long 
mch_get_pid() 
{ 
    return (long)GetCurrentProcessId(); 
} 
 
 
/* 
 * Get name of current directory into buffer 'buf' of length 'len' bytes. 
 * Return OK for success, FAIL for failure. 
 */ 
    int 
mch_dirname( 
    char_u	*buf, 
    int		len) 
{ 
    /* 
     * Originally this was: 
     *    return (getcwd(buf, len) != NULL ? OK : FAIL); 
     * But the Win32s known bug list says that getcwd() doesn't work 
     * so use the Win32 system call instead.  
     */ 
    return (GetCurrentDirectory(len,buf) != 0 ? OK : FAIL); 
} 
 
 
/* 
 * Get absolute file name into buffer 'buf' of length 'len' bytes, 
 * turning all '/'s into '\\'s and getting the correct case of each 
 * component of the file name.	Return OK or FAIL. 
 */ 
    int 
mch_FullName( 
    char_u *fname, 
    char_u *buf, 
    int len, 
    int force) 
{ 
    int nResult = FAIL; 
 
    if (fname == NULL)		/* always fail */ 
	return FAIL; 
 
    if (_fullpath(buf, fname, len - 1) == NULL) 
	STRNCPY(buf, fname, len);   /* failed, use the relative path name */ 
    else 
    { 
	if (mch_isdir(fname)) 
	    STRCAT(buf, "\\"); 
	nResult = OK; 
    } 
 
    fname_case(buf); 
 
    return nResult; 
} 
 
 
/* 
 * return TRUE if `fname' is an absolute path name 
 */ 
    int 
mch_isFullName( 
    char_u *fname) 
{ 
    char szName[_MAX_PATH+1]; 
 
    mch_FullName(fname, szName, _MAX_PATH, FALSE); 
 
    return strcoll(fname, szName) == 0; 
} 
 
/* 
 * Replace all slashes by backslashes. 
 * This used to be the other way around, but MS-DOS sometimes has problems 
 * with slashes (e.g. in a command name).  We can't have mixed slashes and 
 * backslashes, because comparing file names will not work correctly.  The 
 * commands that use a file name should try to avoid the need to type a 
 * backslash twice. 
 */ 
    void 
slash_adjust(p) 
    char_u  *p; 
{ 
    while (*p) 
    { 
	if (*p == '/') 
	    *p = '\\'; 
	++p; 
    } 
} 
 
 
/* 
 * get file permissions for `name' 
 * -1 : error 
 * else FILE_ATTRIBUTE_* defined in winnt.h 
 */ 
    long 
mch_getperm( 
    char_u *name) 
{ 
    return (long)GetFileAttributes((char *)name); 
} 
 
 
/* 
 * set file permission for `name' to `perm' 
 */ 
    int 
mch_setperm( 
    char_u *name, 
    long perm) 
{ 
    perm |= FILE_ATTRIBUTE_ARCHIVE;	/* file has changed, set archive bit */ 
    return SetFileAttributes((char *)name, perm) ? OK : FAIL; 
} 
 
 
/* 
 * Set hidden flag for "name". 
 */ 
    void 
mch_hide(char_u *name) 
{ 
    int	perm; 
 
    perm = GetFileAttributes((char *)name); 
    if (perm >= 0) 
    { 
	perm |= FILE_ATTRIBUTE_HIDDEN; 
	SetFileAttributes((char *)name, perm); 
    } 
} 
 
/* 
 * return TRUE if "name" is a directory 
 * return FALSE if "name" is not a directory or upon error 
 */ 
    int 
mch_isdir(char_u *name) 
{ 
    int f = mch_getperm(name); 
 
    if (f == -1) 
	return FALSE;		    /* file does not exist at all */ 
 
    return (f & FILE_ATTRIBUTE_DIRECTORY) != 0; 
} 
 
 
#ifdef USE_GUI_WIN32 
    void 
mch_settmode(int tmode) 
{ 
    /* nothing to do */ 
} 
 
    int 
mch_get_winsize() 
{ 
    /* never used */ 
    return OK; 
} 
 
    void 
mch_set_winsize() 
{ 
    /* never used */ 
} 
#else 
 
/* 
 * handler for ctrl-break, ctrl-c interrupts, and fatal events. 
 */ 
    static BOOL WINAPI 
handler_routine( 
    DWORD dwCtrlType) 
{ 
    switch (dwCtrlType) 
    { 
    case CTRL_C_EVENT: 
	g_fCtrlCPressed = TRUE; 
	return TRUE; 
 
    case CTRL_BREAK_EVENT: 
	g_fCBrkPressed	= TRUE; 
	return TRUE; 
 
    /* fatal events: shut down gracefully */ 
    case CTRL_CLOSE_EVENT: 
    case CTRL_LOGOFF_EVENT: 
    case CTRL_SHUTDOWN_EVENT: 
	windgoto((int)Rows - 1, 0); 
	sprintf((char *)IObuff, "Vim: Caught %s event\n", 
		(dwCtrlType == CTRL_CLOSE_EVENT ? "close" 
		 : dwCtrlType == CTRL_LOGOFF_EVENT ? "logoff" : "shutdown")); 
 
#ifdef DEBUG 
	OutputDebugString(IObuff); 
#endif 
 
	preserve_exit();	/* output IObuff, preserve files and exit */ 
 
	return TRUE;		/* not reached */ 
 
    default: 
	return FALSE; 
    } 
} 
 
 
/* 
 * set the tty in (raw) ? "raw" : "cooked" mode 
 */ 
    void 
mch_settmode( 
    int tmode) 
{ 
    DWORD cmodein; 
    DWORD cmodeout; 
 
    GetConsoleMode(g_hConIn,  &cmodein); 
    GetConsoleMode(g_hCurOut, &cmodeout); 
 
    if (tmode == TMODE_RAW) 
    { 
	cmodein &= ~(ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT | 
		     ENABLE_ECHO_INPUT); 
	cmodein |= ( 
#ifdef USE_MOUSE 
	    (g_fMouseActive ? ENABLE_MOUSE_INPUT : 0) | 
#endif 
	    ENABLE_WINDOW_INPUT); 
 
	SetConsoleMode(g_hConIn, cmodein); 
 
	cmodeout &= ~(ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT); 
	SetConsoleMode(g_hCurOut, cmodeout); 
	SetConsoleCtrlHandler(handler_routine, TRUE); 
    } 
    else /* cooked */ 
    { 
	cmodein =  g_cmodein; 
	cmodeout = g_cmodeout; 
	SetConsoleMode(g_hConIn,  g_cmodein); 
	SetConsoleMode(g_hCurOut, g_cmodeout); 
 
	SetConsoleCtrlHandler(handler_routine, FALSE); 
    } 
 
#ifdef MCH_WRITE_DUMP 
    if (fdDump) 
    { 
	fprintf(fdDump, "mch_settmode(%s, CurOut = %s, in = %x, out = %x)\n", 
		tmode == TMODE_RAW ? "raw" : 
				    tmode == TMODE_COOK ? "cooked" : "normal", 
		(g_hCurOut == g_hSavOut ? "Sav" : "Con"), 
		cmodein, cmodeout); 
	fflush(fdDump); 
    } 
#endif 
} 
 
 
/* 
 * Get the size of the current window in `Rows' and `Columns' 
 * Return OK when size could be determined, FAIL otherwise. 
 */ 
    int 
mch_get_winsize() 
{ 
    CONSOLE_SCREEN_BUFFER_INFO csbi; 
 
    if (GetConsoleScreenBufferInfo(g_hCurOut, &csbi)) 
    { 
	Rows = csbi.srWindow.Bottom - csbi.srWindow.Top + 1; 
	Columns = csbi.srWindow.Right - csbi.srWindow.Left + 1; 
    } 
    else 
    { 
	Rows = 25; 
	Columns = 80; 
    } 
 
    if (Columns < MIN_COLUMNS || Rows < MIN_LINES) 
    { 
	/* these values are overwritten by termcap size or default */ 
	Rows = 25; 
	Columns = 80; 
    } 
 
    check_winsize(); 
    set_scroll_region(0, 0, Columns - 1, Rows - 1); 
 
    return OK; 
} 
 
 
/* 
 * Set a console window to `xSize' * `ySize' 
 */ 
    static void 
ResizeConBufAndWindow( 
    HANDLE hConsole, 
    int xSize, 
    int ySize) 
{ 
    CONSOLE_SCREEN_BUFFER_INFO csbi;	/* hold current console buffer info */ 
    SMALL_RECT	    srWindowRect;	/* hold the new console size */ 
    COORD	    coordScreen; 
    int		    did_start_termcap = FALSE; 
 
#ifdef MCH_WRITE_DUMP 
    if (fdDump) 
    { 
	fprintf(fdDump, "ResizeConBufAndWindow(%d, %d)\n", xSize, ySize); 
	fflush(fdDump); 
    } 
#endif 
 
    /* 
     * The resizing MUST be done while in our own console buffer, otherwise it 
     * will never be possible to restore the old one, and we will crash on 
     * exit in Windows 95. 
     */ 
    if (g_hCurOut != g_hConOut) 
    { 
	termcap_mode_start(); 
	did_start_termcap = TRUE; 
    } 
 
    /* get the largest size we can size the console window to */ 
    coordScreen = GetLargestConsoleWindowSize(hConsole); 
 
    /* define the new console window size and scroll position */ 
    srWindowRect.Left = srWindowRect.Top = (SHORT) 0; 
    srWindowRect.Right =  (SHORT) (min(xSize, coordScreen.X) - 1); 
    srWindowRect.Bottom = (SHORT) (min(ySize, coordScreen.Y) - 1); 
 
    if (GetConsoleScreenBufferInfo(g_hCurOut, &csbi)) 
    { 
	int sx, sy; 
 
	sx = csbi.srWindow.Right - csbi.srWindow.Left + 1; 
	sy = csbi.srWindow.Bottom - csbi.srWindow.Top + 1; 
	if (sy < ySize || sx < xSize) 
	{ 
	    /* 
	     * Increasing number of lines/columns, do buffer first. 
	     * Use the maximal size in x and y direction. 
	     */ 
	    if (sy < ySize) 
		coordScreen.Y = ySize; 
	    else 
		coordScreen.Y = sy; 
	    if (sx < xSize) 
		coordScreen.X = xSize; 
	    else 
		coordScreen.X = sx; 
	    SetConsoleScreenBufferSize(hConsole, coordScreen); 
	} 
    } 
 
    if (!SetConsoleWindowInfo(hConsole, TRUE, &srWindowRect)) 
    { 
#ifdef MCH_WRITE_DUMP 
	if (fdDump) 
	{ 
	    fprintf(fdDump, "SetConsoleWindowInfo failed: %lx\n", 
		    GetLastError()); 
	    fflush(fdDump); 
	} 
#endif 
    } 
 
    /* define the new console buffer size */ 
    coordScreen.X = xSize; 
    coordScreen.Y = ySize; 
 
    if (!SetConsoleScreenBufferSize(hConsole, coordScreen)) 
    { 
#ifdef MCH_WRITE_DUMP 
	if (fdDump) 
	{ 
	    fprintf(fdDump, "SetConsoleScreenBufferSize failed: %lx\n", 
		    GetLastError()); 
	    fflush(fdDump); 
	} 
#endif 
    } 
 
    if (did_start_termcap) 
	termcap_mode_end(); 
} 
 
 
/* 
 * Set the console window to `Rows' * `Columns' 
 */ 
    void 
mch_set_winsize() 
{ 
    COORD coordScreen; 
 
    /* Don't change window size while still starting up */ 
    if (suppress_winsize) 
    { 
	suppress_winsize = 2; 
	return; 
    } 
 
    coordScreen = GetLargestConsoleWindowSize(g_hCurOut); 
 
    /* Clamp Rows and Columns to reasonable values */ 
    if (Rows > coordScreen.Y) 
	Rows = coordScreen.Y; 
    if (Columns > coordScreen.X) 
	Columns = coordScreen.X; 
 
    ResizeConBufAndWindow(g_hCurOut, Columns, Rows); 
    set_scroll_region(0, 0, Columns - 1, Rows - 1); 
} 
 
/* 
 * Called when started up, to set the winsize that was delayed. 
 */ 
    void 
mch_set_winsize_now() 
{ 
    if (suppress_winsize == 2) 
    { 
	suppress_winsize = 0; 
	mch_set_winsize(); 
	check_winsize();	    /* in case 'columns' changed */ 
    } 
    suppress_winsize = 0; 
} 
#endif /* USE_GUI_WIN32 */ 
 
 
/* 
 * We have no job control, so fake it by starting a new shell. 
 */ 
    void 
mch_suspend() 
{ 
    suspend_shell(); 
} 
 
#if defined(USE_GUI_WIN32) || defined(PROTO) 
 
#ifdef OLD_CONSOLE_STUFF 
/* 
 * Functions to open and close a console window. 
 * The open function sets the size of the window to 25x80, to avoid problems 
 * with Windows 95.  In the long term should make sure that the "close" icon 
 * cannot crash vim (it doesn't do so at the moment!). 
 * The close function waits for the user to press a key before closing the 
 * window. 
 */ 
 
    static BOOL 
ConsoleCtrlHandler(DWORD what) 
{ 
    return TRUE; 
} 
 
    static void 
mch_open_console(void) 
{ 
    COORD	size; 
    SMALL_RECT	window_size; 
    HANDLE	console_handle; 
 
    AllocConsole(); 
 
    /* On windows 95, we must use a 25x80 console size, to avoid trouble with 
     * some DOS commands */ 
    if (g_PlatformId != VER_PLATFORM_WIN32_NT) 
    { 
	console_handle = GetStdHandle(STD_OUTPUT_HANDLE); 
 
	size.X = 80; 
	size.Y = 25; 
	window_size.Left = 0; 
	window_size.Top = 0; 
	window_size.Right = 79; 
	window_size.Bottom = 24; 
 
	/* First set the window size, then also resize the screen buffer, to 
	 * avoid a scrollbar */ 
	SetConsoleWindowInfo(console_handle, TRUE, &window_size); 
	SetConsoleScreenBufferSize(console_handle, size); 
    } 
 
    SetConsoleCtrlHandler((PHANDLER_ROUTINE)ConsoleCtrlHandler, TRUE); 
} 
 
    static void 
mch_close_console(int wait_key, DWORD ret) 
{ 
    if (wait_key) 
    { 
	HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE); 
	HANDLE hStderr = GetStdHandle(STD_ERROR_HANDLE); 
	DWORD number; 
	static char message[] = "\nPress any key to close this window..."; 
	static char err_buf[80]; 
	char buffer[1]; 
 
	if (ret) 
	{ 
	    sprintf(err_buf, "\n%ld returned.", ret); 
	    WriteConsole(hStderr, err_buf, strlen(err_buf), &number, NULL); 
	} 
	/* Write a message to the user */ 
	WriteConsole(hStderr, message, sizeof(message)-1, &number, NULL); 
 
	/* Clear the console input buffer, and set the input to "raw" mode */ 
	FlushConsoleInputBuffer(hStdin); 
	SetConsoleMode(hStdin, 0); 
 
	/* Wait for a keypress */ 
	ReadConsole(hStdin, buffer, 1, &number, NULL); 
    } 
 
    /* Close the console window */ 
    FreeConsole(); 
} 
#endif 
 
#ifdef mch_errmsg 
# undef mch_errmsg 
# undef mch_display_error 
#endif 
 
/* 
 * Record an error message for later display. 
 */ 
    void 
mch_errmsg(char *str) 
{ 
    int		len = STRLEN(str) + 1; 
 
    if (error_ga.ga_growsize == 0) 
    { 
	error_ga.ga_growsize = 80; 
	error_ga.ga_itemsize = 1; 
    } 
    if (ga_grow(&error_ga, len) == OK) 
    { 
	mch_memmove((char_u *)error_ga.ga_data + error_ga.ga_len, 
							  (char_u *)str, len); 
	--len;			/* don't count the NUL at the end */ 
	error_ga.ga_len += len; 
	error_ga.ga_room -= len; 
    } 
} 
 
/* 
 * Display the saved error message(s). 
 */ 
    void 
mch_display_error() 
{ 
    char *p; 
 
    if (error_ga.ga_data != NULL) 
    { 
	/* avoid putting up a message box with blanks only */ 
	for (p = (char *)error_ga.ga_data; *p; ++p) 
	    if (!isspace(*p)) 
	    { 
		MessageBox(0, p, "Vim", MB_TASKMODAL|MB_SETFOREGROUND); 
		break; 
	    } 
	ga_clear(&error_ga); 
    } 
} 
 
/* 
 * Specialised version of system() for Win32 GUI mode. 
 * This version proceeds as follows: 
 *    1. Create a console window for use by the subprocess 
 *    2. Run the subprocess (it gets the allocated console by default) 
 *    3. Wait for the subprocess to terminate and get its exit code 
 *    4. Prompt the user to press a key to close the console window 
 */ 
static BOOL fUseConsole = TRUE; 
 
    static int 
mch_system(char *cmd, int options) 
{ 
    STARTUPINFO		si; 
    PROCESS_INFORMATION pi; 
    DWORD		ret = 0; 
 
    si.cb = sizeof(si); 
    si.lpReserved = NULL; 
    si.lpDesktop = NULL; 
    si.lpTitle = NULL; 
    si.dwFlags = STARTF_USESHOWWINDOW; 
    /* 
     * It's nicer to run a filter command in a minimized window, but in 
     * Windows 95 this makes the command MUCH slower. 
     */ 
    if ((options & SHELL_DOOUT) && !mch_windows95()) 
	si.wShowWindow = SW_SHOWMINIMIZED; 
    else 
	si.wShowWindow = SW_SHOWNORMAL; 
    si.cbReserved2 = 0; 
    si.lpReserved2 = NULL; 
 
#ifdef OLD_CONSOLE_STUFF 
    /* Create a console for the process. This lets us write a termination 
     * message at the end, and wait for the user to close the console 
     * window manually... 
     */ 
    if (fUseConsole) 
    { 
	mch_open_console(); 
 
	/* 
	 * Write the command to the console, so the user can see what is going 
	 * on. 
	 */ 
	{ 
	    HANDLE hStderr = GetStdHandle(STD_ERROR_HANDLE); 
	    DWORD number; 
 
	    WriteConsole(hStderr, cmd, STRLEN(cmd), &number, NULL); 
	    WriteConsole(hStderr, "\n", 1, &number, NULL); 
	} 
    } 
#else 
    /* There is a strange error on Windows 95 when using "c:\\command.com". 
     * When the "c:\\" is left out it works OK...? */ 
    if (mch_windows95() 
	    && (STRNICMP(cmd, "c:/command.com", 14) == 0 
		|| STRNICMP(cmd, "c:\\command.com", 14) == 0)) 
	cmd += 3; 
#endif 
 
    /* Now, run the command */ 
    CreateProcess(NULL,			/* Executable name */ 
		  cmd,			/* Command to execute */ 
		  NULL,			/* Process security attributes */ 
		  NULL,			/* Thread security attributes */ 
		  FALSE,		/* Inherit handles */ 
		  CREATE_DEFAULT_ERROR_MODE |	/* Creation flags */ 
#ifdef OLD_CONSOLE_STUFF 
		  0, 
#else 
		  CREATE_NEW_CONSOLE, 
#endif 
		  NULL,			/* Environment */ 
		  NULL,			/* Current directory */ 
		  &si,			/* Startup information */ 
		  &pi);			/* Process information */ 
 
 
    /* Wait for the command to terminate before continuing */ 
    if (fUseConsole) 
    { 
	if (g_PlatformId != VER_PLATFORM_WIN32s) 
	{ 
	    WaitForSingleObject(pi.hProcess, INFINITE); 
 
	    /* Get the command exit code */ 
	    GetExitCodeProcess(pi.hProcess, &ret); 
	} 
	else 
	{ 
	    /* 
	     * This ugly code is the only quick way of performing 
	     * a synchronous spawn under Win32s. Yuk. 
	     */ 
	    num_windows = 0; 
	    EnumWindows(win32ssynch_cb, 0); 
	    old_num_windows = num_windows; 
	    do 
	    { 
		Sleep(1000); 
		num_windows = 0; 
		EnumWindows(win32ssynch_cb, 0); 
	    } while (num_windows == old_num_windows); 
	    ret = 0; 
	} 
    } 
 
    /* Close the handles to the subprocess, so that it goes away */ 
    CloseHandle(pi.hThread); 
    CloseHandle(pi.hProcess); 
 
    /* Close the console window. If we are not redirecting output, wait for 
     * the user to press a key. 
     */ 
#ifdef OLD_CONSOLE_STUFF 
    if (fUseConsole) 
	mch_close_console(!(options & SHELL_DOOUT), ret); 
#endif 
 
    return ret; 
} 
#else 
 
# define mch_system(c, o) system(c) 
 
#endif 
 
/* 
 * Either execute a command by calling the shell or start a new shell 
 */ 
    int 
mch_call_shell( 
    char_u *cmd, 
    int options)	    /* SHELL_FILTER if called by do_filter() */ 
			    /* SHELL_COOKED if term needs cooked mode */ 
{ 
    int	    x; 
#ifndef USE_GUI_WIN32 
    int	    stopped_termcap_mode = FALSE; 
#endif 
 
    out_flush(); 
 
#ifndef USE_GUI_WIN32 
    /* 
     * ALWAYS switch to non-termcap mode, otherwise ":r !ls" may crash. 
     */ 
    if (g_hCurOut == g_hConOut && 
	    ((cmd == NULL) || STRNICMP(cmd, "start ", 6) != 0)) 
    { 
	termcap_mode_end(); 
	stopped_termcap_mode = TRUE; 
    } 
#endif 
 
#ifdef MCH_WRITE_DUMP 
    if (fdDump) 
    { 
	fprintf(fdDump, "mch_call_shell(\"%s\", %d)\n", cmd, options); 
	fflush(fdDump); 
    } 
#endif 
 
    /* 
     * Catch all deadly signals while running the external command, because a 
     * CTRL-C, Ctrl-Break or illegal instruction  might otherwise kill us. 
     */ 
    signal(SIGINT, SIG_IGN); 
#ifdef __GNUC__ 
    signal(SIGKILL, SIG_IGN); 
#else 
    signal(SIGBREAK, SIG_IGN); 
#endif 
    signal(SIGILL, SIG_IGN); 
    signal(SIGFPE, SIG_IGN); 
    signal(SIGSEGV, SIG_IGN); 
    signal(SIGTERM, SIG_IGN); 
    signal(SIGABRT, SIG_IGN); 
 
    if (options & SHELL_COOKED) 
	settmode(TMODE_COOK);	/* set to normal mode */ 
 
    if (cmd == NULL) 
    { 
	x = mch_system(p_sh, options); 
    } 
    else 
    { 
	/* we use "command" or "cmd" to start the shell; slow but easy */ 
	char_u *newcmd; 
 
	newcmd = lalloc( 
#ifdef USE_GUI_WIN32 
		STRLEN(vimrun_path) + 
#endif 
		STRLEN(p_sh) + STRLEN(p_shcf) + STRLEN(cmd) + 10, TRUE); 
	if (newcmd != NULL) 
	{ 
	    if (STRNICMP(cmd, "start ", 6) == 0) 
	    { 
		STARTUPINFO		si; 
		PROCESS_INFORMATION	pi; 
 
		si.cb = sizeof(si); 
		si.lpReserved = NULL; 
		si.lpDesktop = NULL; 
		si.lpTitle = NULL; 
		si.dwFlags = 0; 
		si.cbReserved2 = 0; 
		si.lpReserved2 = NULL; 
		sprintf((char *)newcmd, "%s\0", cmd+6); 
		/* 
		 * Now, start the command as a process, so that it doesn't 
		 * inherit our handles which causes unpleasant dangling swap 
		 * files if we exit before the spawned process 
		 */ 
		if (CreateProcess (NULL,	// Executable name 
			newcmd,			// Command to execute 
			NULL,			// Process security attributes 
			NULL,			// Thread security attributes 
			FALSE,			// Inherit handles 
			CREATE_NEW_CONSOLE,	// Creation flags 
			NULL,			// Environment 
			NULL,			// Current directory 
			&si,			// Startup information 
			&pi))			// Process information 
		    x = 0; 
		else 
		    x = -1; 
		/* Close the handles to the subprocess, so that it goes away */ 
		CloseHandle(pi.hThread); 
		CloseHandle(pi.hProcess); 
	    } 
	    else 
	    { 
		sprintf((char *)newcmd, "%s%s %s %s", 
#if defined(OLD_CONSOLE_STUFF) || !defined(USE_GUI_WIN32) 
			"", 
#else 
			/* 
			 * Do we need to use "vimrun"? 
			 */ 
			((options & SHELL_DOOUT) || s_dont_use_vimrun) ? 
			    "" : vimrun_path, 
#endif 
			p_sh, 
			p_shcf, 
			cmd); 
		x = mch_system((char *)newcmd, options); 
	    } 
	    vim_free(newcmd); 
	} 
    } 
 
    settmode(TMODE_RAW);	    /* set to raw mode */ 
 
#ifdef USE_GUI_WIN32 
    if (x && !expand_interactively && !fUseConsole) 
#else 
    if (x && !expand_interactively) 
#endif 
    { 
	smsg("%d returned", x); 
	msg_putchar('\n'); 
    } 
    resettitle(); 
 
    signal(SIGINT, SIG_DFL); 
#ifdef __GNUC__ 
    signal(SIGKILL, SIG_DFL); 
#else 
    signal(SIGBREAK, SIG_DFL); 
#endif 
    signal(SIGILL, SIG_DFL); 
    signal(SIGFPE, SIG_DFL); 
    signal(SIGSEGV, SIG_DFL); 
    signal(SIGTERM, SIG_DFL); 
    signal(SIGABRT, SIG_DFL); 
 
#ifndef USE_GUI_WIN32 
    if (stopped_termcap_mode) 
	termcap_mode_start(); 
#endif 
 
    return x; 
} 
 
 
/* 
 * Does `s' contain a wildcard? 
 */ 
    int 
mch_has_wildcard( 
    char_u *s) 
{ 
    return (vim_strpbrk(s, (char_u *)"?*$~") != NULL); 
} 
 
 
/* 
 * comparison function for qsort in expandpath 
 */ 
    static int 
#ifdef __BORLANDC__ 
_RTLENTRYF 
#endif 
pstrcmp( 
    const void *a, 
    const void *b) 
{ 
    return (_stricoll(* (char **)a, * (char **)b)); 
} 
 
 
/* 
 * Recursively build up a list of files in "gap" matching the first wildcard 
 * in `path'.  Called by expand_wildcards(). 
 */ 
    int 
mch_expandpath( 
    struct growarray	*gap, 
    char_u		*path, 
    int			flags) 
{ 
    char		buf[_MAX_PATH+1]; 
    char		*p, *s, *e; 
    int			start_len, c = 1; 
    WIN32_FIND_DATA	fb; 
    HANDLE		hFind; 
    int			matches; 
    int			start_dot_ok; 
 
    start_len = gap->ga_len; 
 
    /* 
     * Find the first part in the path name that contains a wildcard. 
     * Copy it into `buf', including the preceding characters. 
     */ 
    p = buf; 
    s = NULL; 
    e = NULL; 
    while (*path) 
    { 
	if (*path == '\\' || *path == ':' || *path == '/') 
	{ 
	    if (e) 
		break; 
	    else 
		s = p; 
	} 
	if (*path == '*' || *path == '?') 
	    e = p; 
	*p++ = *path++; 
    } 
    e = p; 
    if (s) 
	s++; 
    else 
	s = buf; 
 
#ifdef USE_GUI_WIN32 
    if (gui_is_win32s()) 
    { 
	/* It appears the Win32s FindFirstFile() call doesn't like a pattern 
	 * such as \sw\rel1.0\cod* because of the dot in the directory name. 
	 * It doesn't match files with extensions. 
	 * if the file name ends in "*" and does not contain a "." after the 
	 * last \ , add ".*" 
	 */ 
	if (e[-1] == '*' && vim_strchr(s, '.') == NULL) 
	{ 
	    *e++ = '.'; 
	    *e++ = '*'; 
	} 
    } 
#endif 
 
    /* now we have one wildcard component between `s' and `e' */ 
    *e = NUL; 
 
    start_dot_ok = (buf[0] == '.' || buf[0] == '*'); 
 
    /* If we are expanding wildcards, we try both files and directories */ 
    if ((hFind = FindFirstFile(buf, &fb)) != INVALID_HANDLE_VALUE) 
	while (c) 
	{ 
	    STRCPY(s, fb.cFileName); 
 
	    /* 
	     * Ignore "." and "..".  When more follows, this must be a 
	     * directory. 
	     * Find*File() returns matches that start with a '.', even though 
	     * the pattern doesn't start with '.'.  Filter them out manually. 
	     */ 
	    if ((s[0] != '.' 
			|| (start_dot_ok 
			    && s[1] != NUL 
			    && (s[1] != '.' || s[2] != NUL))) 
		    && (*path == NUL || mch_isdir(buf))) 
	    { 
		STRCAT(buf, path); 
		if (mch_has_wildcard(path))	    /* handle more wildcards */ 
		    (void)mch_expandpath(gap, buf, flags); 
		else if (mch_getperm(buf) >= 0)	    /* add existing file */ 
		    addfile(gap, buf, flags); 
	    } 
 
	    c = FindNextFile(hFind, &fb); 
	} 
    FindClose(hFind); 
 
    matches = gap->ga_len - start_len; 
    if (matches) 
	qsort(((char_u **)gap->ga_data) + start_len, matches, 
						     sizeof(char *), pstrcmp); 
    return matches; 
} 
 
 
/* 
 * The normal _chdir() does not change the default drive.  This one does. 
 * Returning 0 implies success; -1 implies failure. 
 */ 
    int 
mch_chdir(char *path) 
{ 
    if (path[0] == NUL)		/* just checking... */ 
	return -1; 
 
    if (isalpha(path[0]) && path[1] == ':')	/* has a drive name */ 
    { 
	if (_chdrive(TO_LOWER(path[0]) - 'a' + 1) != 0) 
	    return -1;		/* invalid drive name */ 
	path += 2; 
    } 
 
    if (*path == NUL)		/* drive name only */ 
	return 0; 
 
    return chdir(path);	       /* let the normal chdir() do the rest */ 
} 
 
 
#ifndef USE_GUI_WIN32 
/* 
 * Copy the contents of screen buffer hSrc to the bottom-left corner 
 * of screen buffer hDst. 
 */ 
    static void 
copy_screen_buffer_text( 
    HANDLE hSrc, 
    HANDLE hDst) 
{ 
    int	    i, j, nSrcWidth, nSrcHeight, nDstWidth, nDstHeight; 
    COORD   coordOrigin; 
    DWORD   dwDummy; 
    LPSTR   pszOldText; 
    CONSOLE_SCREEN_BUFFER_INFO csbiSrc, csbiDst; 
 
#ifdef MCH_WRITE_DUMP 
    if (fdDump) 
    { 
	fprintf(fdDump, "copy_screen_buffer_text(%s, %s)\n", 
		(hSrc == g_hSavOut ? "Sav" : "Con"), 
		(hDst == g_hSavOut ? "Sav" : "Con")); 
	fflush(fdDump); 
    } 
#endif 
 
    GetConsoleScreenBufferInfo(hSrc, &csbiSrc); 
    nSrcWidth =  csbiSrc.srWindow.Right  - csbiSrc.srWindow.Left + 1; 
    nSrcHeight = csbiSrc.srWindow.Bottom - csbiSrc.srWindow.Top  + 1; 
 
    GetConsoleScreenBufferInfo(hDst, &csbiDst); 
    nDstWidth =  csbiDst.srWindow.Right  - csbiDst.srWindow.Left + 1; 
    nDstHeight = csbiDst.srWindow.Bottom - csbiDst.srWindow.Top  + 1; 
 
    pszOldText = (LPSTR) alloc(nDstHeight * nDstWidth); 
 
    /* clear the top few lines if Src shorter than Dst */ 
    for (i = 0;  i < nDstHeight - nSrcHeight;  i++) 
    { 
	for (j = 0;  j < nDstWidth;  j++) 
	    pszOldText[i * nDstWidth + j] = ' '; 
    } 
 
    /* Grab text off source screen. */ 
    coordOrigin.X = 0; 
    coordOrigin.Y = (SHORT) max(0, csbiSrc.srWindow.Bottom + 1 - nDstHeight); 
 
    for (i = 0;  i < min(nSrcHeight, nDstHeight);  i++) 
    { 
	LPSTR psz = pszOldText 
		     + (i + max(0, nDstHeight - nSrcHeight)) * nDstWidth; 
 
	ReadConsoleOutputCharacter(hSrc, psz, min(nDstWidth, nSrcWidth), 
				   coordOrigin, &dwDummy); 
	coordOrigin.Y++; 
 
	/* clear the last few columns if Src narrower than Dst */ 
	for (j = nSrcWidth;  j < nDstWidth;  j++) 
	    psz[j] = ' '; 
    } 
 
    /* paste Src's text onto Dst */ 
    coordOrigin.Y = csbiDst.srWindow.Top; 
    WriteConsoleOutputCharacter(hDst, pszOldText, nDstHeight * nDstWidth, 
				coordOrigin, &dwDummy); 
    vim_free(pszOldText); 
} 
 
 
/* keep track of state of original console window */ 
static SMALL_RECT   g_srOrigWindowRect; 
static COORD	    g_coordOrig; 
static WORD	    g_attrSave = 0; 
 
 
/* 
 * Start termcap mode by switching to our allocated screen buffer 
 */ 
    static void 
termcap_mode_start(void) 
{ 
    CONSOLE_SCREEN_BUFFER_INFO csbi; 
    DWORD dwDummy; 
    COORD coord; 
    WORD wAttr = (WORD) (g_attrSave ? g_attrSave : g_attrCurrent); 
 
    GetConsoleScreenBufferInfo(g_hSavOut, &csbi); 
    g_srOrigWindowRect = csbi.srWindow; 
 
    g_coordOrig.X = 0; 
    g_coordOrig.Y = csbi.dwCursorPosition.Y; 
 
    if (g_hConOut == INVALID_HANDLE_VALUE) 
	/* Create a new screen buffer in which we do all of our editing. 
	 * This means we can restore the original screen when we finish. */ 
	g_hConOut = CreateConsoleScreenBuffer(GENERIC_WRITE | GENERIC_READ, 
					      0, (LPSECURITY_ATTRIBUTES) NULL, 
					      CONSOLE_TEXTMODE_BUFFER, 
					      (LPVOID) NULL); 
 
    coord.X = coord.Y = 0; 
    FillConsoleOutputCharacter(g_hConOut, ' ', Rows * Columns, coord, &dwDummy); 
    FillConsoleOutputAttribute(g_hConOut, wAttr, Rows*Columns, coord, &dwDummy); 
 
    copy_screen_buffer_text(g_hSavOut, g_hConOut); 
 
    g_hCurOut = g_hConOut; 
    SetConsoleActiveScreenBuffer(g_hCurOut); 
 
    ResizeConBufAndWindow(g_hCurOut, Columns, Rows); 
    set_scroll_region(0, 0, Columns - 1, Rows - 1); 
    check_winsize(); 
 
    resettitle(); 
 
    textattr(wAttr); 
} 
 
 
/* 
 * Turn off termcap mode by restoring the screen buffer we had upon startup 
 */ 
    static void 
termcap_mode_end() 
{ 
    g_attrSave = g_attrCurrent; 
 
    ResizeConBufAndWindow(g_hCurOut, g_nOldColumns, g_nOldRows); 
 
    /* This weird Sleep(0) is required to allow Windows to really resize the 
     * console window.  Apparently it's done asynchronously, which may cause 
     * the following screenbuffer switch to go wrong */ 
    Sleep(0); 
 
    check_winsize(); 
 
    g_hCurOut = g_hSavOut; 
    SetConsoleActiveScreenBuffer(g_hCurOut); 
    SetConsoleCursorInfo(g_hCurOut, &g_cci); 
 
    normvideo(); 
 
    if (!p_rs) 
	g_coordOrig.Y = g_srOrigWindowRect.Bottom; 
 
    SetConsoleCursorPosition(g_hCurOut, g_coordOrig); 
 
    if (!p_rs) 
	copy_screen_buffer_text(g_hConOut, g_hSavOut); 
 
    clear_chars(g_coordOrig, 
		g_srOrigWindowRect.Right - g_srOrigWindowRect.Left + 1); 
 
    mch_restore_title(3); 
 
    SetConsoleMode(g_hConIn,  g_cmodein); 
    SetConsoleMode(g_hSavOut, g_cmodeout); 
} 
#endif /* USE_GUI_WIN32 */ 
 
/* 
 * Switching off termcap mode is only allowed when Columns is 80, otherwise a 
 * crash may result.  It's always allowed on NT or when running the GUI. 
 */ 
    int 
can_end_termcap_mode( 
    int give_msg) 
{ 
#ifdef USE_GUI_WIN32 
    return TRUE;	/* GUI starts a new console anyway */ 
#else 
    if (g_PlatformId == VER_PLATFORM_WIN32_NT || Columns == 80) 
	return TRUE; 
    if (give_msg) 
	msg("'columns' is not 80, cannot execute external commands"); 
    return FALSE; 
#endif 
} 
 
#ifdef USE_GUI_WIN32 
    void 
mch_write( 
    char_u  *s, 
    int	    len) 
{ 
    /* never used */ 
} 
 
#else 
 
/* 
 * clear `n' chars, starting from `coord' 
 */ 
    static void 
clear_chars( 
    COORD coord, 
    DWORD n) 
{ 
    DWORD dwDummy; 
 
    FillConsoleOutputCharacter(g_hCurOut, ' ', n, coord, &dwDummy); 
    FillConsoleOutputAttribute(g_hCurOut, g_attrCurrent, n, coord, &dwDummy); 
} 
 
 
/* 
 * Clear the screen 
 */ 
    static void 
clear_screen(void) 
{ 
    g_coord.X = g_coord.Y = 0; 
    clear_chars(g_coord, Rows * Columns); 
} 
 
 
/* 
 * Clear to end of display 
 */ 
    static void 
clear_to_end_of_display(void) 
{ 
    clear_chars(g_coord, (Rows-g_coord.Y-1) * Columns + (Columns-g_coord.X)); 
} 
 
 
/* 
 * Clear to end of line 
 */ 
    static void 
clear_to_end_of_line(void) 
{ 
    clear_chars(g_coord, Columns - g_coord.X); 
} 
 
 
/* 
 * Scroll the scroll region up by `cLines' lines 
 */ 
    static void 
scroll( 
    unsigned cLines) 
{ 
    COORD oldcoord = g_coord; 
 
    gotoxy(g_srScrollRegion.Left + 1, g_srScrollRegion.Top + 1); 
    delete_lines(cLines); 
 
    g_coord = oldcoord; 
} 
 
 
/* 
 * Set the scroll region 
 */ 
    static void 
set_scroll_region( 
    unsigned left, 
    unsigned top, 
    unsigned right, 
    unsigned bottom) 
{ 
    if (left >= right 
	    || top >= bottom 
	    || right > (unsigned) Columns - 1 
	    || bottom > (unsigned) Rows - 1) 
	return; 
 
    g_srScrollRegion.Left =   left; 
    g_srScrollRegion.Top =    top; 
    g_srScrollRegion.Right =  right; 
    g_srScrollRegion.Bottom = bottom; 
} 
 
 
/* 
 * Insert `cLines' lines at the current cursor position 
 */ 
    static void 
insert_lines( 
    unsigned cLines) 
{ 
    SMALL_RECT	    source; 
    COORD	    dest; 
    CHAR_INFO	    fill; 
 
    dest.X = 0; 
    dest.Y = g_coord.Y + cLines; 
 
    source.Left   = 0; 
    source.Top	  = g_coord.Y; 
    source.Right  = g_srScrollRegion.Right; 
    source.Bottom = g_srScrollRegion.Bottom - cLines; 
 
    fill.Char.AsciiChar = ' '; 
    fill.Attributes = g_attrCurrent; 
 
    ScrollConsoleScreenBuffer(g_hCurOut, &source, NULL, dest, &fill); 
 
    /* Here we have to deal with a win32 console flake: If the scroll 
     * region looks like abc and we scroll c to a and fill with d we get 
     * cbd... if we scroll block c one line at a time to a, we get cdd... 
     * vim expects cdd consistently... So we have to deal with that 
     * here... (this also occurs scrolling the same way in the other 
     * direction).  */ 
 
    if (source.Bottom < dest.Y) 
    { 
	COORD coord; 
 
	coord.X = 0; 
	coord.Y = source.Bottom; 
	clear_chars(coord, Columns * (dest.Y - source.Bottom)); 
    } 
} 
 
 
/* 
 * Delete `cLines' lines at the current cursor position 
 */ 
    static void 
delete_lines( 
    unsigned cLines) 
{ 
    SMALL_RECT	    source; 
    COORD	    dest; 
    CHAR_INFO	    fill; 
    int		    nb; 
 
    dest.X = 0; 
    dest.Y = g_coord.Y; 
 
    source.Left   = 0; 
    source.Top	  = g_coord.Y + cLines; 
    source.Right  = g_srScrollRegion.Right; 
    source.Bottom = g_srScrollRegion.Bottom; 
 
    fill.Char.AsciiChar = ' '; 
    fill.Attributes = g_attrCurrent; 
 
    ScrollConsoleScreenBuffer(g_hCurOut, &source, NULL, dest, &fill); 
 
    /* Here we have to deal with a win32 console flake: If the scroll 
     * region looks like abc and we scroll c to a and fill with d we get 
     * cbd... if we scroll block c one line at a time to a, we get cdd... 
     * vim expects cdd consistently... So we have to deal with that 
     * here... (this also occurs scrolling the same way in the other 
     * direction).  */ 
 
    nb = dest.Y + (source.Bottom - source.Top) + 1; 
 
    if (nb < source.Top) 
    { 
	COORD coord; 
 
	coord.X = 0; 
	coord.Y = nb; 
	clear_chars(coord, Columns * (source.Top - nb)); 
    } 
} 
 
 
/* 
 * Set the cursor position 
 */ 
    static void 
gotoxy( 
    unsigned x, 
    unsigned y) 
{ 
    COORD coord2; 
 
    if (x < 1 || x > (unsigned) Columns || y < 1 || y > (unsigned) Rows) 
	return; 
 
    /* Should we check against g_srScrollRegion? */ 
 
    /* external cursor coords are 1-based; internal are 0-based */ 
    g_coord.X = coord2.X = x - 1; 
    g_coord.Y = coord2.Y = y - 1; 
 
    /* If we are using the window buffer that we had upon startup, make 
     * sure to position cursor relative to the window upon that buffer */ 
    if (g_hCurOut == g_hSavOut) 
    { 
	CONSOLE_SCREEN_BUFFER_INFO csbi; 
 
	GetConsoleScreenBufferInfo(g_hCurOut, &csbi); 
	g_srOrigWindowRect = csbi.srWindow; 
 
	coord2.X += (SHORT) (g_srOrigWindowRect.Left); 
	coord2.Y += (SHORT) (g_srOrigWindowRect.Bottom + 1 - Rows); 
    } 
 
    SetConsoleCursorPosition(g_hCurOut, coord2); 
} 
 
 
/* 
 * Set the current text attribute = (foreground | background) 
 * See ../doc/os_win32.txt for the numbers. 
 */ 
    static void 
textattr( 
    WORD wAttr) 
{ 
    g_attrCurrent = wAttr; 
 
    SetConsoleTextAttribute(g_hCurOut, wAttr); 
} 
 
 
    static void 
textcolor( 
    WORD wAttr) 
{ 
    g_attrCurrent = (g_attrCurrent & 0xf0) + wAttr; 
 
    SetConsoleTextAttribute(g_hCurOut, g_attrCurrent); 
} 
 
 
    static void 
textbackground( 
    WORD wAttr) 
{ 
    g_attrCurrent = (g_attrCurrent & 0x0f) + (wAttr << 4); 
 
    SetConsoleTextAttribute(g_hCurOut, g_attrCurrent); 
} 
 
 
/* 
 * restore the default text attribute (whatever we started with) 
 */ 
    static void 
normvideo() 
{ 
    textattr(g_attrDefault); 
} 
 
 
static WORD g_attrPreStandout = 0; 
 
/* 
 * Make the text standout, by brightening it 
 */ 
    static void 
standout(void) 
{ 
    g_attrPreStandout = g_attrCurrent; 
    textattr((WORD) (g_attrCurrent|FOREGROUND_INTENSITY|BACKGROUND_INTENSITY)); 
} 
 
 
/* 
 * Turn off standout mode 
 */ 
    static void 
standend() 
{ 
    if (g_attrPreStandout) 
    { 
	textattr(g_attrPreStandout); 
	g_attrPreStandout = 0; 
    } 
} 
 
 
/* 
 * visual bell: flash the screen 
 */ 
    static void 
visual_bell() 
{ 
    COORD   coordOrigin = {0, 0}; 
    WORD    attrFlash = ~g_attrCurrent & 0xff; 
 
    DWORD   dwDummy; 
    LPWORD  oldattrs = (LPWORD) alloc(Rows * Columns * sizeof(WORD)); 
 
    ReadConsoleOutputAttribute(g_hCurOut, oldattrs, Rows * Columns, 
			       coordOrigin, &dwDummy); 
    FillConsoleOutputAttribute(g_hCurOut, attrFlash, Rows * Columns, 
			       coordOrigin, &dwDummy); 
 
    Sleep(15);	    /* wait for 15 msec */ 
    WriteConsoleOutputAttribute(g_hCurOut, oldattrs, Rows * Columns, 
				coordOrigin, &dwDummy); 
    vim_free(oldattrs); 
} 
 
 
/* 
 * Make the cursor visible or invisible 
 */ 
    static void 
cursor_visible( 
    BOOL fVisible) 
{ 
    s_cursor_visible = fVisible; 
    mch_update_cursor(); 
} 
 
 
/* 
 * write `cchToWrite' characters in `pchBuf' to the screen 
 */ 
    static BOOL 
write_chars( 
    LPCSTR pchBuf, 
    DWORD  cchToWrite, 
    DWORD* pcchWritten) 
{ 
    BOOL f; 
    COORD coord2 = g_coord; 
 
    if (g_hCurOut == g_hSavOut) 
    { 
	CONSOLE_SCREEN_BUFFER_INFO csbi; 
 
	GetConsoleScreenBufferInfo(g_hCurOut, &csbi); 
 
	coord2.X += (SHORT) (csbi.srWindow.Left); 
	coord2.Y += (SHORT) (csbi.srWindow.Bottom + 1 - Rows); 
    } 
 
    FillConsoleOutputAttribute(g_hCurOut, g_attrCurrent, cchToWrite, 
			       coord2, pcchWritten); 
    f = WriteConsoleOutputCharacter(g_hCurOut, pchBuf, cchToWrite, 
				    coord2, pcchWritten); 
 
    g_coord.X += (SHORT) *pcchWritten; 
 
    while (g_coord.X > g_srScrollRegion.Right) 
    { 
	g_coord.X -= (SHORT) Columns; 
	if (g_coord.Y < g_srScrollRegion.Bottom) 
	    g_coord.Y++; 
    } 
 
    gotoxy(g_coord.X + 1, g_coord.Y + 1); 
 
    return f; 
} 
 
 
/* 
 * mch_write(): write the output buffer to the screen, translating ESC 
 * sequences into calls to console output routines. 
 */ 
    void 
mch_write( 
    char_u  *s, 
    int	    len) 
{ 
    s[len] = NUL; 
 
    if (!term_console) 
    { 
	write(1, s, (unsigned) len); 
	return; 
    } 
 
    /* translate ESC | sequences into faked bios calls */ 
    while (len--) 
    { 
	/* optimization: use one single write_chars for runs of text, 
	 * rather than once per character  It ain't curses, but it helps. */ 
 
	DWORD  prefix = strcspn(s, "\n\r\b\a\033"); 
 
	if (p_wd) 
	{ 
	    WaitForChar(p_wd); 
	    if (prefix) 
		prefix = 1; 
	} 
 
	if (prefix) 
	{ 
	    DWORD nWritten; 
 
	    if (write_chars(s, prefix, &nWritten)) 
	    { 
#ifdef MCH_WRITE_DUMP 
		if (fdDump) 
		{ 
		    fputc('>', fdDump); 
		    fwrite(s, sizeof(char_u), nWritten, fdDump); 
		    fputs("<\n", fdDump); 
		} 
#endif 
		len -= (nWritten - 1); 
		s += nWritten; 
	    } 
	} 
	else if (s[0] == '\n') 
	{ 
	    /* \n, newline: go to the beginning of the next line or scroll */ 
	    if (g_coord.Y == g_srScrollRegion.Bottom) 
	    { 
		scroll(1); 
		gotoxy(g_srScrollRegion.Left + 1, g_srScrollRegion.Bottom + 1); 
	    } 
	    else 
	    { 
		gotoxy(g_srScrollRegion.Left + 1, g_coord.Y + 2); 
	    } 
#ifdef MCH_WRITE_DUMP 
	    if (fdDump) 
		fputs("\\n\n", fdDump); 
#endif 
	    s++; 
	} 
	else if (s[0] == '\r') 
	{ 
	    /* \r, carriage return: go to beginning of line */ 
	    gotoxy(g_srScrollRegion.Left+1, g_coord.Y + 1); 
#ifdef MCH_WRITE_DUMP 
	    if (fdDump) 
		fputs("\\r\n", fdDump); 
#endif 
	    s++; 
	} 
	else if (s[0] == '\b') 
	{ 
	    /* \b, backspace: move cursor one position left */ 
	    if (g_coord.X > g_srScrollRegion.Left) 
		g_coord.X--; 
	    else if (g_coord.Y > g_srScrollRegion.Top) 
	    { 
		g_coord.X = g_srScrollRegion.Right; 
		g_coord.Y--; 
	    } 
	    gotoxy(g_coord.X + 1, g_coord.Y + 1); 
#ifdef MCH_WRITE_DUMP 
	    if (fdDump) 
		fputs("\\b\n", fdDump); 
#endif 
	    s++; 
	} 
	else if (s[0] == '\a') 
	{ 
	    /* \a, bell */ 
	    MessageBeep(0xFFFFFFFF); 
#ifdef MCH_WRITE_DUMP 
	    if (fdDump) 
		fputs("\\a\n", fdDump); 
#endif 
	    s++; 
	} 
	else if (s[0] == ESC && len >= 3-1 && s[1] == '|') 
	{ 
#ifdef MCH_WRITE_DUMP 
	    char_u* old_s = s; 
#endif 
	    char_u* p; 
	    int arg1 = 0, arg2 = 0; 
 
	    switch (s[2]) 
	    { 
	    /* one or two numeric arguments, separated by ';' */ 
 
	    case '0': case '1': case '2': case '3': case '4': 
	    case '5': case '6': case '7': case '8': case '9': 
		p = s + 2; 
		arg1 = getdigits(&p);	    /* no check for length! */ 
		if (p > s + len) 
		    break; 
 
		if (*p == ';') 
		{ 
		    ++p; 
		    arg2 = getdigits(&p);   /* no check for length! */ 
		    if (p > s + len) 
			break; 
 
		    if (*p == 'H') 
			gotoxy(arg2, arg1); 
		    else if (*p == 'r') 
			set_scroll_region(0, arg1 - 1, Columns - 1, arg2 - 1); 
		} 
		else if (*p == 'A') 
		{ 
		    /* move cursor up arg1 lines in same column */ 
		    gotoxy(g_coord.X + 1, 
			   max(g_srScrollRegion.Top, g_coord.Y - arg1) + 1); 
		} 
		else if (*p == 'C') 
		{ 
		    /* move cursor right arg1 columns in same line */ 
		    gotoxy(min(g_srScrollRegion.Right, g_coord.X + arg1) + 1, 
			   g_coord.Y + 1); 
		} 
		else if (*p == 'H') 
		{ 
		    gotoxy(1, arg1); 
		} 
		else if (*p == 'L') 
		{ 
		    insert_lines(arg1); 
		} 
		else if (*p == 'm') 
		{ 
		    if (arg1 == 0) 
			normvideo(); 
		    else 
			textattr((WORD) arg1); 
		} 
		else if (*p == 'f') 
		{ 
		    textcolor((WORD) arg1); 
		} 
		else if (*p == 'b') 
		{ 
		    textbackground((WORD) arg1); 
		} 
		else if (*p == 'M') 
		{ 
		    delete_lines(arg1); 
		} 
 
		len -= p - s; 
		s = p + 1; 
		break; 
 
 
	    /* Three-character escape sequences */ 
 
	    case 'A': 
		/* move cursor up one line in same column */ 
		gotoxy(g_coord.X + 1, 
		       max(g_srScrollRegion.Top, g_coord.Y - 1) + 1); 
		goto got3; 
 
	    case 'B': 
		visual_bell(); 
		goto got3; 
 
	    case 'C': 
		/* move cursor right one column in same line */ 
		gotoxy(min(g_srScrollRegion.Right, g_coord.X + 1) + 1, 
		       g_coord.Y + 1); 
		goto got3; 
 
	    case 'E': 
		termcap_mode_end(); 
		goto got3; 
 
	    case 'F': 
		standout(); 
		goto got3; 
 
	    case 'f': 
		standend(); 
		goto got3; 
 
	    case 'H': 
		gotoxy(1, 1); 
		goto got3; 
 
	    case 'j': 
		clear_to_end_of_display(); 
		goto got3; 
 
	    case 'J': 
		clear_screen(); 
		goto got3; 
 
	    case 'K': 
		clear_to_end_of_line(); 
		goto got3; 
 
	    case 'L': 
		insert_lines(1); 
		goto got3; 
 
	    case 'M': 
		delete_lines(1); 
		goto got3; 
 
	    case 'S': 
		termcap_mode_start(); 
		goto got3; 
 
	    case 'V': 
		cursor_visible(TRUE); 
		goto got3; 
 
	    case 'v': 
		cursor_visible(FALSE); 
		goto got3; 
 
	    got3: 
		s += 3; 
		len -= 2; 
	    } 
 
#ifdef MCH_WRITE_DUMP 
	    if (fdDump) 
	    { 
		fputs("ESC | ", fdDump); 
		fwrite(old_s + 2, sizeof(char_u), s - old_s - 2, fdDump); 
		fputc('\n', fdDump); 
	    } 
#endif 
	} 
	else 
	{ 
	    /* Write a single character */ 
	    DWORD nWritten; 
 
	    if (write_chars(s, 1, &nWritten)) 
	    { 
#ifdef MCH_WRITE_DUMP 
		if (fdDump) 
		{ 
		    fputc('>', fdDump); 
		    fwrite(s, sizeof(char_u), nWritten, fdDump); 
		    fputs("<\n", fdDump); 
		} 
#endif 
 
		len -= (nWritten - 1); 
		s += nWritten; 
	    } 
	} 
    } 
 
#ifdef MCH_WRITE_DUMP 
    if (fdDump) 
	fflush(fdDump); 
#endif 
} 
 
#endif /* USE_GUI_WIN32 */ 
 
 
/* 
 * Delay for half a second. 
 */ 
    void 
mch_delay( 
    long    msec, 
    int	    ignoreinput) 
{ 
#ifdef USE_GUI_WIN32 
    Sleep((int)msec);	    /* never wait for input */ 
#else 
    if (ignoreinput) 
	Sleep((int)msec); 
    else 
	WaitForChar(msec); 
#endif 
} 
 
 
/* 
 * this version of remove is not scared by a readonly (backup) file 
 */ 
    int 
mch_remove(char_u *name) 
{ 
    SetFileAttributes(name, FILE_ATTRIBUTE_NORMAL); 
    return DeleteFile(name) ? 0 : -1; 
} 
 
 
/* 
 * check for an "interrupt signal": CTRL-break or CTRL-C 
 */ 
    void 
mch_breakcheck() 
{ 
#ifndef USE_GUI_WIN32	    /* never used */ 
    if (g_fCtrlCPressed || g_fCBrkPressed) 
    { 
	g_fCtrlCPressed = g_fCBrkPressed = FALSE; 
	got_int = TRUE; 
    } 
#endif 
} 
 
 
/* 
 * How much memory is available? 
 */ 
    long_u 
mch_avail_mem( 
    int special) 
{ 
    return LONG_MAX;	    /* virtual memory, eh? */ 
} 
 
 
/* 
 * return non-zero if a character is available 
 */ 
    int 
mch_char_avail() 
{ 
#ifdef USE_GUI_WIN32 
    /* never used */ 
    return TRUE; 
#else 
    return WaitForChar(0L); 
#endif 
} 
 
 
/* 
 * set screen mode, always fails. 
 */ 
    int 
mch_screenmode( 
    char_u *arg) 
{ 
    EMSG("Screen mode setting not supported"); 
    return FAIL; 
} 
 
 
/* 
 * mch_rename() works around a bug in rename (aka MoveFile) in 
 * Windows 95: rename("foo.bar", "foo.bar~") will generate a 
 * file whose short file name is "FOO.BAR" (its long file name will 
 * be correct: "foo.bar~").  Because a file can be accessed by 
 * either its SFN or its LFN, "foo.bar" has effectively been 
 * renamed to "foo.bar", which is not at all what was wanted.  This 
 * seems to happen only when renaming files with three-character 
 * extensions by appending a suffix that does not include ".". 
 * Windows NT gets it right, however, with an SFN of "FOO~1.BAR". 
 * 
 * Like rename(), returns 0 upon success, non-zero upon failure. 
 * Should probably set errno appropriately when errors occur. 
 */ 
    int 
mch_rename( 
    const char	*pszOldFile, 
    const char	*pszNewFile) 
{ 
    char	szTempFile[_MAX_PATH+1]; 
    char	szNewPath[_MAX_PATH+1]; 
    char	*pszFilePart; 
    HANDLE	hf; 
 
    /* 
     * No need to play tricks if not running Windows 95 
     */ 
    if (!mch_windows95()) 
	return rename(pszOldFile, pszNewFile); 
 
    /* get base path of new file name */ 
    if (GetFullPathName(pszNewFile, _MAX_PATH, szNewPath, &pszFilePart) == 0) 
	return -1; 
    else 
	*pszFilePart = NUL; 
 
    /* Get (and create) a unique temporary file name in directory of new file */ 
    if (GetTempFileName(szNewPath, "VIM", 0, szTempFile) == 0) 
	return -2; 
 
    /* blow the temp file away */ 
    if (!DeleteFile(szTempFile)) 
	return -3; 
 
    /* rename old file to the temp file */ 
    if (!MoveFile(pszOldFile, szTempFile)) 
	return -4; 
 
    /* now create an empty file called pszOldFile; this prevents the operating 
     * system using pszOldFile as an alias (SFN) if we're renaming within the 
     * same directory.  For example, we're editing a file called 
     * filename.asc.txt by its SFN, filena~1.txt.  If we rename filena~1.txt 
     * to filena~1.txt~ (i.e., we're making a backup while writing it), the 
     * SFN for filena~1.txt~ will be filena~1.txt, by default, which will 
     * cause all sorts of problems later in buf_write.  So, we create an empty 
     * file called filena~1.txt and the system will have to find some other 
     * SFN for filena~1.txt~, such as filena~2.txt 
     */ 
    if ((hf = CreateFile(pszOldFile, GENERIC_WRITE, 0, NULL, CREATE_NEW, 
		    FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE) 
	return -5; 
    if (!CloseHandle(hf)) 
	return -6; 
 
    /* rename the temp file to the new file */ 
    if (!MoveFile(szTempFile, pszNewFile)) 
	return -7; 
 
    /* Seems to be left around on Novell filesystems */ 
    DeleteFile(szTempFile); 
 
    /* finally, remove the empty old file */ 
    if (!DeleteFile(pszOldFile)) 
	return -8; 
 
    return 0;	/* success */ 
} 
 
/* 
 * Special version of getenv(): use $HOME when $VIM not defined. 
 */ 
    char_u * 
mch_getenv(char_u *var) 
{ 
    char_u  *retval; 
    retval = (char_u *)getenv((char *)var); 
 
    if (retval == NULL && STRCMP(var, "VIM") == 0) 
	retval = (char_u *)getenv("HOME"); 
 
#ifdef MCH_WRITE_DUMP 
    if (fdDump) 
    { 
	fprintf(fdDump, "$%s = \"%s\"\n", var, retval); 
	fflush(fdDump); 
    } 
#endif 
 
    return retval; 
} 
 
 
/* 
 * Get the default shell for the current hardware platform 
 */ 
    char* 
default_shell() 
{ 
    char* psz = NULL; 
 
    PlatformId(); 
 
    if (g_PlatformId == VER_PLATFORM_WIN32_NT)		/* Windows NT */ 
	psz = "cmd.exe"; 
    else if (g_PlatformId == VER_PLATFORM_WIN32_WINDOWS) /* Windows 95 */ 
	psz = "command.com"; 
 
    return psz; 
} 
 
 
#ifdef USE_CLIPBOARD 
/* 
 * Clipboard stuff, for cutting and pasting text to other windows. 
 */ 
 
/* 
 * Get the current selection and put it in the clipboard register. 
 * 
 * NOTE: Must use GlobalLock/Unlock here to ensure Win32s compatibility. 
 * On NT/W95 the clipboard data is a fixed global memory object and 
 * so its handle = its pointer. 
 * On Win32s, however, co-operation with the Win16 system means that 
 * the clipboard data is moveable and its handle is not a pointer at all, 
 * so we can't just cast the return value of GetClipboardData to (char_u*). 
 *  
 */ 
    void 
clip_mch_request_selection() 
{ 
    int	    type; 
    HGLOBAL hMem; 
    char_u  *str = NULL; 
 
    /* 
     * Don't pass GetActiveWindow() as an argument to OpenClipboard() because 
     * then we can't paste back into the same window for some reason - webb. 
     */ 
    if (OpenClipboard(NULL)) 
    { 
	/* Check for vim's own clipboard format first */ 
	if ((hMem = GetClipboardData(clipboard.format)) != NULL) 
	{ 
	    str = (char_u *)GlobalLock(hMem); 
	    if (str != NULL) 
		switch (*str++) 
		{ 
		    default: 
		    case 'L':	type = MLINE;	break; 
		    case 'C':	type = MCHAR;	break; 
		    case 'B':	type = MBLOCK;	break; 
		} 
		/* TRACE("Got '%c' type\n", str[-1]); */ 
	} 
	/* Otherwise, check for the normal text format */ 
	else if ((hMem = GetClipboardData(CF_TEXT)) != NULL) 
	{ 
	    str = (char_u *)GlobalLock(hMem); 
	    if (str != NULL) 
		type = (vim_strchr((char*) str, '\r') != NULL) ? MLINE : MCHAR; 
	    /* TRACE("TEXT\n"); */ 
	} 
 
	if (hMem != NULL && str != NULL) 
	{ 
	    /*successful lock - must unlock when finished*/ 
	    if (*str != NUL) 
	    { 
		LPCSTR psz = (LPCSTR)str; 
		char_u *temp_clipboard = (char_u *)lalloc(STRLEN(psz) + 1, TRUE); 
		char_u *pszTemp = temp_clipboard; 
 
		if (temp_clipboard != NULL) 
		{ 
		    while (*psz != NUL) 
		    { 
			const char* pszNL = strchr(psz, '\r'); 
			const int len = (pszNL != NULL) ? 
					    pszNL - psz : STRLEN(psz); 
			STRNCPY(pszTemp, psz, len); 
			pszTemp += len; 
			if (pszNL != NULL) 
			    *pszTemp++ = '\n'; 
			psz += len + ((pszNL != NULL) ? 2 : 0); 
		    } 
		    *pszTemp = NUL; 
		    clip_yank_selection(type, temp_clipboard, 
					(long)(pszTemp - temp_clipboard)); 
		    vim_free(temp_clipboard); 
		} 
	    } 
	    /*unlock the global object*/ 
	    (void)GlobalUnlock(hMem); 
	} 
	CloseClipboard(); 
    } 
} 
 
/* 
 * Make vim the owner of the current selection. 
 */ 
    void 
clip_mch_lose_selection() 
{ 
    /* Nothing needs to be done here */ 
} 
 
/* 
 * Make vim the owner of the current selection.  Return OK upon success. 
 */ 
    int 
clip_mch_own_selection() 
{ 
    /* 
     * Never actually own the clipboard.  If another application sets the 
     * clipboard, we don't want to think that we still own it. 
     */ 
    return FAIL; 
} 
 
/* 
 * Send the current selection to the clipboard. 
 */ 
    void 
clip_mch_set_selection() 
{ 
    char_u  *str = NULL; 
    long_u  cch; 
    int	    type; 
    HGLOBAL hMem = NULL; 
    HGLOBAL hMemVim = NULL; 
    LPSTR   lpszMem = NULL; 
    LPSTR   lpszMemVim = NULL; 
 
    /* If the '*' register isn't already filled in, fill it in now */ 
    clipboard.owned = TRUE; 
    clip_get_selection(); 
    clipboard.owned = FALSE; 
 
    type = clip_convert_selection(&str, &cch); 
 
    if (type < 0) 
	return; 
 
    if ((hMem = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, cch+1)) != NULL 
	&& (lpszMem = (LPSTR)GlobalLock(hMem)) != NULL 
	&& (hMemVim = GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE, cch+2)) != NULL 
	&& (lpszMemVim = (LPSTR)GlobalLock(hMemVim)) != NULL) 
    { 
	switch (type) 
	{ 
	    default: 
	    case MLINE:	    *lpszMemVim++ = 'L';    break; 
	    case MCHAR:	    *lpszMemVim++ = 'C';    break; 
	    case MBLOCK:    *lpszMemVim++ = 'B';    break; 
	} 
 
	STRNCPY(lpszMem, str, cch); 
	lpszMem[cch] = NUL; 
 
	STRNCPY(lpszMemVim, str, cch); 
	lpszMemVim[cch] = NUL; 
 
	/* 
	 * Don't pass GetActiveWindow() as an argument to OpenClipboard() 
	 * because then we can't paste back into the same window for some 
	 * reason - webb. 
	 */ 
	if (OpenClipboard(NULL)) 
	{ 
	    if (EmptyClipboard()) 
	    { 
		SetClipboardData(clipboard.format, hMemVim); 
		SetClipboardData(CF_TEXT, hMem); 
	    } 
 
	    CloseClipboard(); 
	} 
    } 
    if (lpszMem != NULL) 
	GlobalUnlock(hMem); 
    if (lpszMemVim != NULL) 
	GlobalUnlock(hMemVim); 
 
    vim_free(str); 
} 
 
#endif /* USE_CLIPBOARD */ 
 
 
/* 
 * Debugging helper: expose the MCH_WRITE_DUMP stuff to other modules 
 */ 
    void 
DumpPutS( 
    const char* psz) 
{ 
# ifdef MCH_WRITE_DUMP 
    if (fdDump) 
    { 
	fputs(psz, fdDump); 
	if (psz[strlen(psz) - 1] != '\n') 
	    fputc('\n', fdDump); 
	fflush(fdDump); 
    } 
# endif 
} 
 
#ifdef _DEBUG 
 
void __cdecl 
Trace( 
    char *pszFormat, 
    ...) 
{ 
    CHAR szBuff[2048]; 
    va_list args; 
 
    va_start(args, pszFormat); 
    vsprintf(szBuff, pszFormat, args); 
    va_end(args); 
 
    OutputDebugString(szBuff); 
} 
 
#endif //_DEBUG