text: /* 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.
   * See README.txt for an overview of the Vim source code.
   */
  
  /*
   * os_mswin.c
   *
   * Routines common to both Win16 and Win32.
   */
  
  #ifdef WIN16
  # ifdef __BORLANDC__
  #  pragma warn -par
  #  pragma warn -ucp
  #  pragma warn -use
  #  pragma warn -aus
  # endif
  #endif
  
  #include "vim.h"
  
  #ifdef WIN16
  # define SHORT_FNAME		/* always 8.3 file name */
  /* cproto fails on missing include files */
  # ifndef PROTO
  #  include <dos.h>
  # endif
  # include <string.h>
  #endif
  #include <sys/types.h>
  #include <signal.h>
  #include <limits.h>
  #ifndef PROTO
  # include <process.h>
  #endif
  
  #undef chdir
  #ifdef __GNUC__
  # ifndef __MINGW32__
  #  include <dirent.h>
  # endif
  #else
  # include <direct.h>
  #endif
  
  #ifndef PROTO
  # if defined(FEAT_TITLE) && !defined(FEAT_GUI_W32)
  #  include <shellapi.h>
  # endif
  
  # if defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)
  #  include <dlgs.h>
  #  ifdef WIN3264
  #   include <winspool.h>
  #  else
  #   include <print.h>
  #  endif
  #  include <commdlg.h>
  #endif
  
  #endif /* PROTO */
  
  #ifdef __MINGW32__
  # ifndef FROM_LEFT_1ST_BUTTON_PRESSED
  #  define FROM_LEFT_1ST_BUTTON_PRESSED    0x0001
  # endif
  # ifndef RIGHTMOST_BUTTON_PRESSED
  #  define RIGHTMOST_BUTTON_PRESSED	  0x0002
  # endif
  # ifndef FROM_LEFT_2ND_BUTTON_PRESSED
  #  define FROM_LEFT_2ND_BUTTON_PRESSED    0x0004
  # endif
  # ifndef FROM_LEFT_3RD_BUTTON_PRESSED
  #  define FROM_LEFT_3RD_BUTTON_PRESSED    0x0008
  # endif
  # ifndef FROM_LEFT_4TH_BUTTON_PRESSED
  #  define FROM_LEFT_4TH_BUTTON_PRESSED    0x0010
  # endif
  
  /*
   * EventFlags
   */
  # ifndef MOUSE_MOVED
  #  define MOUSE_MOVED   0x0001
  # endif
  # ifndef DOUBLE_CLICK
  #  define DOUBLE_CLICK  0x0002
  # endif
  #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 WINAPI
  #define WINBASEAPI
  typedef int BOOL;
  typedef int CALLBACK;
  typedef int COLORREF;
  typedef int CONSOLE_CURSOR_INFO;
  typedef int COORD;
  typedef int DWORD;
  typedef int ENUMLOGFONT;
  typedef int HANDLE;
  typedef int HDC;
  typedef int HFONT;
  typedef int HICON;
  typedef int HWND;
  typedef int INPUT_RECORD;
  typedef int KEY_EVENT_RECORD;
  typedef int LOGFONT;
  typedef int LPARAM;
  typedef int LPBOOL;
  typedef int LPCSTR;
  typedef int LPCWSTR;
  typedef int LPSTR;
  typedef int LPTSTR;
  typedef int LPWSTR;
  typedef int LRESULT;
  typedef int MOUSE_EVENT_RECORD;
  typedef int NEWTEXTMETRIC;
  typedef int PACL;
  typedef int PRINTDLG;
  typedef int PSECURITY_DESCRIPTOR;
  typedef int PSID;
  typedef int SECURITY_INFORMATION;
  typedef int SHORT;
  typedef int SMALL_RECT;
  typedef int TEXTMETRIC;
  typedef int UINT;
  typedef int WCHAR;
  typedef int WORD;
  typedef int WPARAM;
  typedef void VOID;
  #endif
  
  /* Record all output and all keyboard & mouse input */
  /* #define MCH_WRITE_DUMP */
  
  #ifdef MCH_WRITE_DUMP
  FILE* fdDump = NULL;
  #endif
  
  #ifdef WIN3264
  extern DWORD g_PlatformId;
  #endif
  
  #ifndef FEAT_GUI_MSWIN
  extern char g_szOrigTitle[];
  #endif
  
  #ifdef FEAT_GUI
  extern HWND s_hwnd;
  #else
  static HWND s_hwnd = 0;	    /* console window handle, set by GetConsoleHwnd() */
  #endif
  
  #ifdef FEAT_CHANNEL
  int WSInitialized = FALSE; /* WinSock is initialized */
  #endif
  
  /* Don't generate prototypes here, because some systems do have these
   * functions. */
  #if defined(__GNUC__) && !defined(PROTO)
  # ifndef __MINGW32__
  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);
  }
  # endif
  
  # if !defined(__MINGW32__) || (__GNUC__ < 4)
  int _chdrive(int drive)
  {
      char temp [3] = "-:";
      temp[0] = drive + 'A' - 1;
      return !SetCurrentDirectory(temp);
  }
  # endif
  #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
  
  
  #if defined(FEAT_GUI_MSWIN) || defined(PROTO)
  /*
   * GUI version of mch_exit().
   * Shut down and exit with status `r'
   * Careful: mch_exit() may be called before mch_init()!
   */
      void
  mch_exit(int r)
  {
      display_errors();
  
      ml_close_all(TRUE);		/* remove all memfiles */
  
  # ifdef FEAT_OLE
      UninitOLE();
  # endif
  # ifdef FEAT_CHANNEL
      if (WSInitialized)
      {
  	WSInitialized = FALSE;
  	WSACleanup();
      }
  # endif
  #ifdef DYNAMIC_GETTEXT
      dyn_libintl_end();
  #endif
  
      if (gui.in_use)
  	gui_exit(r);
  
  #ifdef EXITFREE
      free_all_mem();
  #endif
  
      exit(r);
  }
  
  #endif /* FEAT_GUI_MSWIN */
  
  
  /*
   * Init the tables for toupper() and tolower().
   */
      void
  mch_early_init(void)
  {
      int		i;
  
  #ifdef WIN3264
      PlatformId();
  #endif
  
      /* Init the tables for toupper() and tolower() */
      for (i = 0; i < 256; ++i)
  	toupper_tab[i] = tolower_tab[i] = i;
  #ifdef WIN3264
      CharUpperBuff(toupper_tab, 256);
      CharLowerBuff(tolower_tab, 256);
  #else
      AnsiUpperBuff(toupper_tab, 256);
      AnsiLowerBuff(tolower_tab, 256);
  #endif
  }
  
  
  /*
   * Return TRUE if the input comes from a terminal, FALSE otherwise.
   */
      int
  mch_input_isatty(void)
  {
  #ifdef FEAT_GUI_MSWIN
      return OK;	    /* GUI always has a tty */
  #else
      if (isatty(read_cmd_fd))
  	return TRUE;
      return FALSE;
  #endif
  }
  
  #ifdef FEAT_TITLE
  /*
   * mch_settitle(): set titlebar of our window
   */
      void
  mch_settitle(
      char_u *title,
      char_u *icon)
  {
  # ifdef FEAT_GUI_MSWIN
      gui_mch_settitle(title, icon);
  # else
      if (title != NULL)
      {
  #  ifdef FEAT_MBYTE
  	if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
  	{
  	    /* Convert the title from 'encoding' to the active codepage. */
  	    WCHAR	*wp = enc_to_utf16(title, NULL);
  	    int	n;
  
  	    if (wp != NULL)
  	    {
  		n = SetConsoleTitleW(wp);
  		vim_free(wp);
  		if (n != 0 || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
  		    return;
  	    }
  	}
  #  endif
  	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)
   */
  /*ARGSUSED*/
      void
  mch_restore_title(
      int which)
  {
  #ifndef FEAT_GUI_MSWIN
      SetConsoleTitle(g_szOrigTitle);
  #endif
  }
  
  
  /*
   * Return TRUE if we can restore the title (we can)
   */
      int
  mch_can_restore_title(void)
  {
      return TRUE;
  }
  
  
  /*
   * Return TRUE if we can restore the icon title (we can't)
   */
      int
  mch_can_restore_icon(void)
  {
      return FALSE;
  }
  #endif /* FEAT_TITLE */
  
  
  /*
   * 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.  Append a (back)slash to a directory name.
   * When 'shellslash' set do it the other way around.
   * Return OK or FAIL.
   */
  /*ARGSUSED*/
      int
  mch_FullName(
      char_u	*fname,
      char_u	*buf,
      int		len,
      int		force)
  {
      int		nResult = FAIL;
  
  #ifdef __BORLANDC__
      if (*fname == NUL) /* Borland behaves badly here - make it consistent */
  	nResult = mch_dirname(buf, len);
      else
  #endif
      {
  #ifdef FEAT_MBYTE
  	if (enc_codepage >= 0 && (int)GetACP() != enc_codepage
  # ifdef __BORLANDC__
  		/* Wide functions of Borland C 5.5 do not work on Windows 98. */
  		&& g_PlatformId == VER_PLATFORM_WIN32_NT
  # endif
  	   )
  	{
  	    WCHAR	*wname;
  	    WCHAR	wbuf[MAX_PATH];
  	    char_u	*cname = NULL;
  
  	    /* Use the wide function:
  	     * - convert the fname from 'encoding' to UCS2.
  	     * - invoke _wfullpath()
  	     * - convert the result from UCS2 to 'encoding'.
  	     */
  	    wname = enc_to_utf16(fname, NULL);
  	    if (wname != NULL && _wfullpath(wbuf, wname, MAX_PATH) != NULL)
  	    {
  		cname = utf16_to_enc((short_u *)wbuf, NULL);
  		if (cname != NULL)
  		{
  		    vim_strncpy(buf, cname, len - 1);
  		    nResult = OK;
  		}
  	    }
  	    vim_free(wname);
  	    vim_free(cname);
  	}
  	if (nResult == FAIL)	    /* fall back to non-wide function */
  #endif
  	{
  	    if (_fullpath(buf, fname, len - 1) == NULL)
  	    {
  		/* failed, use relative path name */
  		vim_strncpy(buf, fname, len - 1);
  	    }
  	    else
  		nResult = OK;
  	}
      }
  
  #ifdef USE_FNAME_CASE
      fname_case(buf, len);
  #else
      slash_adjust(buf);
  #endif
  
      return nResult;
  }
  
  
  /*
   * Return TRUE if "fname" does not depend on the current directory.
   */
      int
  mch_isFullName(char_u *fname)
  {
  #ifdef FEAT_MBYTE
      /* WinNT and later can use _MAX_PATH wide characters for a pathname, which
       * means that the maximum pathname is _MAX_PATH * 3 bytes when 'enc' is
       * UTF-8. */
      char szName[_MAX_PATH * 3 + 1];
  #else
      char szName[_MAX_PATH + 1];
  #endif
  
      /* A name like "d:/foo" and "//server/share" is absolute */
      if ((fname[0] && fname[1] == ':' && (fname[2] == '/' || fname[2] == '\\'))
  	    || (fname[0] == fname[1] && (fname[0] == '/' || fname[0] == '\\')))
  	return TRUE;
  
      /* A name that can't be made absolute probably isn't absolute. */
      if (mch_FullName(fname, szName, sizeof(szName) - 1, FALSE) == FAIL)
  	return FALSE;
  
      return pathcmp(fname, szName, -1) == 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.
   * When 'shellslash' set do it the other way around.
   * When the path looks like a URL leave it unmodified.
   */
      void
  slash_adjust(char_u *p)
  {
      if (path_with_url(p))
  	return;
      while (*p)
      {
  	if (*p == psepcN)
  	    *p = psepc;
  	mb_ptr_adv(p);
      }
  }
  
  #if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__)
  # define OPEN_OH_ARGTYPE intptr_t
  #else
  # define OPEN_OH_ARGTYPE long
  #endif
  
      static int
  stat_symlink_aware(const char *name, struct stat *stp)
  {
  #if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__MINGW32__)
      /* Work around for VC12 or earlier (and MinGW). stat() can't handle
       * symlinks properly.
       * VC9 or earlier: stat() doesn't support a symlink at all. It retrieves
       * status of a symlink itself.
       * VC10: stat() supports a symlink to a normal file, but it doesn't support
       * a symlink to a directory (always returns an error).
       * VC11 and VC12: stat() doesn't return an error for a symlink to a
       * directory, but it doesn't set S_IFDIR flag.
       * MinGW: Same as VC9. */
      WIN32_FIND_DATA	findData;
      HANDLE		hFind, h;
      DWORD		attr = 0;
      BOOL		is_symlink = FALSE;
  
      hFind = FindFirstFile(name, &findData);
      if (hFind != INVALID_HANDLE_VALUE)
      {
  	attr = findData.dwFileAttributes;
  	if ((attr & FILE_ATTRIBUTE_REPARSE_POINT)
  		&& (findData.dwReserved0 == IO_REPARSE_TAG_SYMLINK))
  	    is_symlink = TRUE;
  	FindClose(hFind);
      }
      if (is_symlink)
      {
  	h = CreateFile(name, FILE_READ_ATTRIBUTES,
  		FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
  		OPEN_EXISTING,
  		(attr & FILE_ATTRIBUTE_DIRECTORY)
  					    ? FILE_FLAG_BACKUP_SEMANTICS : 0,
  		NULL);
  	if (h != INVALID_HANDLE_VALUE)
  	{
  	    int	    fd, n;
  
  	    fd = _open_osfhandle((OPEN_OH_ARGTYPE)h, _O_RDONLY);
  	    n = _fstat(fd, (struct _stat*)stp);
  	    if ((n == 0) && (attr & FILE_ATTRIBUTE_DIRECTORY))
  		stp->st_mode = (stp->st_mode & ~S_IFREG) | S_IFDIR;
  	    _close(fd);
  	    return n;
  	}
      }
  #endif
      return stat(name, stp);
  }
  
  #ifdef FEAT_MBYTE
      static int
  wstat_symlink_aware(const WCHAR *name, struct _stat *stp)
  {
  # if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__MINGW32__)
      /* Work around for VC12 or earlier (and MinGW). _wstat() can't handle
       * symlinks properly.
       * VC9 or earlier: _wstat() doesn't support a symlink at all. It retrieves
       * status of a symlink itself.
       * VC10: _wstat() supports a symlink to a normal file, but it doesn't
       * support a symlink to a directory (always returns an error).
       * VC11 and VC12: _wstat() doesn't return an error for a symlink to a
       * directory, but it doesn't set S_IFDIR flag.
       * MinGW: Same as VC9. */
      int			n;
      BOOL		is_symlink = FALSE;
      HANDLE		hFind, h;
      DWORD		attr = 0;
      WIN32_FIND_DATAW	findDataW;
  
      hFind = FindFirstFileW(name, &findDataW);
      if (hFind != INVALID_HANDLE_VALUE)
      {
  	attr = findDataW.dwFileAttributes;
  	if ((attr & FILE_ATTRIBUTE_REPARSE_POINT)
  		&& (findDataW.dwReserved0 == IO_REPARSE_TAG_SYMLINK))
  	    is_symlink = TRUE;
  	FindClose(hFind);
      }
      if (is_symlink)
      {
  	h = CreateFileW(name, FILE_READ_ATTRIBUTES,
  		FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
  		OPEN_EXISTING,
  		(attr & FILE_ATTRIBUTE_DIRECTORY)
  					    ? FILE_FLAG_BACKUP_SEMANTICS : 0,
  		NULL);
  	if (h != INVALID_HANDLE_VALUE)
  	{
  	    int	    fd;
  
  	    fd = _open_osfhandle((OPEN_OH_ARGTYPE)h, _O_RDONLY);
  	    n = _fstat(fd, stp);
  	    if ((n == 0) && (attr & FILE_ATTRIBUTE_DIRECTORY))
  		stp->st_mode = (stp->st_mode & ~S_IFREG) | S_IFDIR;
  	    _close(fd);
  	    return n;
  	}
      }
  # endif
      return _wstat(name, stp);
  }
  #endif
  
  /*
   * stat() can't handle a trailing '/' or '\', remove it first.
   */
      int
  vim_stat(const char *name, struct stat *stp)
  {
  #ifdef FEAT_MBYTE
      /* WinNT and later can use _MAX_PATH wide characters for a pathname, which
       * means that the maximum pathname is _MAX_PATH * 3 bytes when 'enc' is
       * UTF-8. */
      char	buf[_MAX_PATH * 3 + 1];
  #else
      char	buf[_MAX_PATH + 1];
  #endif
      char	*p;
  
      vim_strncpy((char_u *)buf, (char_u *)name, sizeof(buf) - 1);
      p = buf + strlen(buf);
      if (p > buf)
  	mb_ptr_back(buf, p);
  
      /* Remove trailing '\\' except root path. */
      if (p > buf && (*p == '\\' || *p == '/') && p[-1] != ':')
  	*p = NUL;
  
      if ((buf[0] == '\\' && buf[1] == '\\') || (buf[0] == '/' && buf[1] == '/'))
      {
  	/* UNC root path must be followed by '\\'. */
  	p = vim_strpbrk(buf + 2, "\\/");
  	if (p != NULL)
  	{
  	    p = vim_strpbrk(p + 1, "\\/");
  	    if (p == NULL)
  		STRCAT(buf, "\\");
  	}
      }
  #ifdef FEAT_MBYTE
      if (enc_codepage >= 0 && (int)GetACP() != enc_codepage
  # ifdef __BORLANDC__
  	    /* Wide functions of Borland C 5.5 do not work on Windows 98. */
  	    && g_PlatformId == VER_PLATFORM_WIN32_NT
  # endif
         )
      {
  	WCHAR	*wp = enc_to_utf16(buf, NULL);
  	int	n;
  
  	if (wp != NULL)
  	{
  	    n = wstat_symlink_aware(wp, (struct _stat *)stp);
  	    vim_free(wp);
  	    if (n >= 0 || g_PlatformId == VER_PLATFORM_WIN32_NT)
  		return n;
  	    /* Retry with non-wide function (for Windows 98). Can't use
  	     * GetLastError() here and it's unclear what errno gets set to if
  	     * the _wstat() fails for missing wide functions. */
  	}
      }
  #endif
      return stat_symlink_aware(buf, stp);
  }
  
  #if defined(FEAT_GUI_MSWIN) || defined(PROTO)
  /*ARGSUSED*/
      void
  mch_settmode(int tmode)
  {
      /* nothing to do */
  }
  
      int
  mch_get_shellsize(void)
  {
      /* never used */
      return OK;
  }
  
      void
  mch_set_shellsize(void)
  {
      /* never used */
  }
  
  /*
   * Rows and/or Columns has changed.
   */
      void
  mch_new_shellsize(void)
  {
      /* never used */
  }
  
  #endif
  
  /*
   * We have no job control, so fake it by starting a new shell.
   */
      void
  mch_suspend(void)
  {
      suspend_shell();
  }
  
  #if defined(USE_MCH_ERRMSG) || defined(PROTO)
  
  #ifdef display_errors
  # undef display_errors
  #endif
  
  /*
   * Display the saved error message(s).
   */
      void
  display_errors(void)
  {
      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))
  	    {
  		(void)gui_mch_dialog(
  #ifdef FEAT_GUI
  				     gui.starting ? VIM_INFO :
  #endif
  					     VIM_ERROR,
  #ifdef FEAT_GUI
  				     gui.starting ? (char_u *)_("Message") :
  #endif
  					     (char_u *)_("Error"),
  				     p, (char_u *)_("&Ok"), 1, NULL, FALSE);
  		break;
  	    }
  	ga_clear(&error_ga);
      }
  }
  #endif
  
  
  /*
   * Return TRUE if "p" contain a wildcard that can be expanded by
   * dos_expandpath().
   */
      int
  mch_has_exp_wildcard(char_u *p)
  {
      for ( ; *p; mb_ptr_adv(p))
      {
  	if (vim_strchr((char_u *)"?*[", *p) != NULL
  		|| (*p == '~' && p[1] != NUL))
  	    return TRUE;
      }
      return FALSE;
  }
  
  /*
   * Return TRUE if "p" contain a wildcard or a "~1" kind of thing (could be a
   * shortened file name).
   */
      int
  mch_has_wildcard(char_u *p)
  {
      for ( ; *p; mb_ptr_adv(p))
      {
  	if (vim_strchr((char_u *)
  #  ifdef VIM_BACKTICK
  				    "?*$[`"
  #  else
  				    "?*$["
  #  endif
  						, *p) != NULL
  		|| (*p == '~' && p[1] != NUL))
  	    return TRUE;
      }
      return FALSE;
  }
  
  
  /*
   * 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 (p_verbose >= 5)
      {
  	verbose_enter();
  	smsg((char_u *)"chdir(%s)", path);
  	verbose_leave();
      }
      if (isalpha(path[0]) && path[1] == ':')	/* has a drive name */
      {
  	/* If we can change to the drive, skip that part of the path.  If we
  	 * can't then the current directory may be invalid, try using chdir()
  	 * with the whole path. */
  	if (_chdrive(TOLOWER_ASC(path[0]) - 'a' + 1) == 0)
  	    path += 2;
      }
  
      if (*path == NUL)		/* drive name only */
  	return 0;
  
  #ifdef FEAT_MBYTE
      if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
      {
  	WCHAR	*p = enc_to_utf16(path, NULL);
  	int	n;
  
  	if (p != NULL)
  	{
  	    n = _wchdir(p);
  	    vim_free(p);
  	    if (n == 0 || g_PlatformId == VER_PLATFORM_WIN32_NT)
  		return n;
  	    /* Retry with non-wide function (for Windows 98). */
  	}
      }
  #endif
  
      return chdir(path);	       /* let the normal chdir() do the rest */
  }
  
  
  /*
   * 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.
   */
  /*ARGSUSED*/
      int
  can_end_termcap_mode(
      int give_msg)
  {
  #ifdef FEAT_GUI_MSWIN
      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 FEAT_GUI_MSWIN
  /*
   * return non-zero if a character is available
   */
      int
  mch_char_avail(void)
  {
      /* never used */
      return TRUE;
  }
  #endif
  
  
  /*
   * set screen mode, always fails.
   */
  /*ARGSUSED*/
      int
  mch_screenmode(
      char_u *arg)
  {
      EMSG(_(e_screenmode));
      return FAIL;
  }
  
  
  #if defined(FEAT_LIBCALL) || defined(PROTO)
  /*
   * Call a DLL routine which takes either a string or int param
   * and returns an allocated string.
   * Return OK if it worked, FAIL if not.
   */
  # ifdef WIN3264
  typedef LPTSTR (*MYSTRPROCSTR)(LPTSTR);
  typedef LPTSTR (*MYINTPROCSTR)(int);
  typedef int (*MYSTRPROCINT)(LPTSTR);
  typedef int (*MYINTPROCINT)(int);
  # else
  typedef LPSTR (*MYSTRPROCSTR)(LPSTR);
  typedef LPSTR (*MYINTPROCSTR)(int);
  typedef int (*MYSTRPROCINT)(LPSTR);
  typedef int (*MYINTPROCINT)(int);
  # endif
  
  # ifndef WIN16
  /*
   * Check if a pointer points to a valid NUL terminated string.
   * Return the length of the string, including terminating NUL.
   * Returns 0 for an invalid pointer, 1 for an empty string.
   */
      static size_t
  check_str_len(char_u *str)
  {
      SYSTEM_INFO			si;
      MEMORY_BASIC_INFORMATION	mbi;
      size_t			length = 0;
      size_t			i;
      const char			*p;
  
      /* get page size */
      GetSystemInfo(&si);
  
      /* get memory information */
      if (VirtualQuery(str, &mbi, sizeof(mbi)))
      {
  	/* pre cast these (typing savers) */
  	long_u dwStr = (long_u)str;
  	long_u dwBaseAddress = (long_u)mbi.BaseAddress;
  
  	/* get start address of page that str is on */
  	long_u strPage = dwStr - (dwStr - dwBaseAddress) % si.dwPageSize;
  
  	/* get length from str to end of page */
  	long_u pageLength = si.dwPageSize - (dwStr - strPage);
  
  	for (p = str; !IsBadReadPtr(p, (UINT)pageLength);
  				  p += pageLength, pageLength = si.dwPageSize)
  	    for (i = 0; i < pageLength; ++i, ++length)
  		if (p[i] == NUL)
  		    return length + 1;
      }
  
      return 0;
  }
  # endif
  
  /*
   * Passed to do_in_runtimepath() to load a vim.ico file.
   */
      static void
  mch_icon_load_cb(char_u *fname, void *cookie)
  {
      HANDLE *h = (HANDLE *)cookie;
  
      *h = LoadImage(NULL,
  		   fname,
  		   IMAGE_ICON,
  		   64,
  		   64,
  		   LR_LOADFROMFILE | LR_LOADMAP3DCOLORS);
  }
  
  /*
   * Try loading an icon file from 'runtimepath'.
   */
      int
  mch_icon_load(HANDLE *iconp)
  {
      return do_in_runtimepath((char_u *)"bitmaps/vim.ico",
  					      FALSE, mch_icon_load_cb, iconp);
  }
  
      int
  mch_libcall(
      char_u	*libname,
      char_u	*funcname,
      char_u	*argstring,	/* NULL when using a argint */
      int		argint,
      char_u	**string_result,/* NULL when using number_result */
      int		*number_result)
  {
      HINSTANCE		hinstLib;
      MYSTRPROCSTR	ProcAdd;
      MYINTPROCSTR	ProcAddI;
      char_u		*retval_str = NULL;
      int			retval_int = 0;
      size_t		len;
  
      BOOL fRunTimeLinkSuccess = FALSE;
  
      // Get a handle to the DLL module.
  # ifdef WIN16
      hinstLib = LoadLibrary(libname);
  # else
      hinstLib = vimLoadLib(libname);
  # endif
  
      // If the handle is valid, try to get the function address.
      if (hinstLib != NULL)
      {
  #ifdef HAVE_TRY_EXCEPT
  	__try
  	{
  #endif
  	if (argstring != NULL)
  	{
  	    /* Call with string argument */
  	    ProcAdd = (MYSTRPROCSTR) GetProcAddress(hinstLib, funcname);
  	    if ((fRunTimeLinkSuccess = (ProcAdd != NULL)) != 0)
  	    {
  		if (string_result == NULL)
  		    retval_int = ((MYSTRPROCINT)ProcAdd)(argstring);
  		else
  		    retval_str = (ProcAdd)(argstring);
  	    }
  	}
  	else
  	{
  	    /* Call with number argument */
  	    ProcAddI = (MYINTPROCSTR) GetProcAddress(hinstLib, funcname);
  	    if ((fRunTimeLinkSuccess = (ProcAddI != NULL)) != 0)
  	    {
  		if (string_result == NULL)
  		    retval_int = ((MYINTPROCINT)ProcAddI)(argint);
  		else
  		    retval_str = (ProcAddI)(argint);
  	    }
  	}
  
  	// Save the string before we free the library.
  	// Assume that a "1" result is an illegal pointer.
  	if (string_result == NULL)
  	    *number_result = retval_int;
  	else if (retval_str != NULL
  # ifdef WIN16
  		&& retval_str != (char_u *)1
  		&& retval_str != (char_u *)-1
  		&& !IsBadStringPtr(retval_str, INT_MAX)
  		&& (len = strlen(retval_str) + 1) > 0
  # else
  		&& (len = check_str_len(retval_str)) > 0
  # endif
  		)
  	{
  	    *string_result = lalloc((long_u)len, TRUE);
  	    if (*string_result != NULL)
  		mch_memmove(*string_result, retval_str, len);
  	}
  
  #ifdef HAVE_TRY_EXCEPT
  	}
  	__except(EXCEPTION_EXECUTE_HANDLER)
  	{
  	    if (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW)
  		RESETSTKOFLW();
  	    fRunTimeLinkSuccess = 0;
  	}
  #endif
  
  	// Free the DLL module.
  	(void)FreeLibrary(hinstLib);
      }
  
      if (!fRunTimeLinkSuccess)
      {
  	EMSG2(_(e_libcall), funcname);
  	return FAIL;
      }
  
      return OK;
  }
  #endif
  
  /*
   * Debugging helper: expose the MCH_WRITE_DUMP stuff to other modules
   */
  /*ARGSUSED*/
      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
  
  #if !defined(FEAT_GUI) || defined(PROTO)
  # if defined(FEAT_TITLE) && defined(WIN3264)
  extern HWND g_hWnd;	/* This is in os_win32.c. */
  # endif
  
  /*
   * Showing the printer dialog is tricky since we have no GUI
   * window to parent it. The following routines are needed to
   * get the window parenting and Z-order to work properly.
   */
      static void
  GetConsoleHwnd(void)
  {
  # define MY_BUFSIZE 1024 // Buffer size for console window titles.
  
      char pszNewWindowTitle[MY_BUFSIZE]; // Contains fabricated WindowTitle.
      char pszOldWindowTitle[MY_BUFSIZE]; // Contains original WindowTitle.
  
      /* Skip if it's already set. */
      if (s_hwnd != 0)
  	return;
  
  # if defined(FEAT_TITLE) && defined(WIN3264)
      /* Window handle may have been found by init code (Windows NT only) */
      if (g_hWnd != 0)
      {
  	s_hwnd = g_hWnd;
  	return;
      }
  # endif
  
      GetConsoleTitle(pszOldWindowTitle, MY_BUFSIZE);
  
      wsprintf(pszNewWindowTitle, "%s/%d/%d",
  	    pszOldWindowTitle,
  	    GetTickCount(),
  	    GetCurrentProcessId());
      SetConsoleTitle(pszNewWindowTitle);
      Sleep(40);
      s_hwnd = FindWindow(NULL, pszNewWindowTitle);
  
      SetConsoleTitle(pszOldWindowTitle);
  }
  
  /*
   * Console implementation of ":winpos".
   */
      int
  mch_get_winpos(int *x, int *y)
  {
      RECT  rect;
  
      GetConsoleHwnd();
      GetWindowRect(s_hwnd, &rect);
      *x = rect.left;
      *y = rect.top;
      return OK;
  }
  
  /*
   * Console implementation of ":winpos x y".
   */
      void
  mch_set_winpos(int x, int y)
  {
      GetConsoleHwnd();
      SetWindowPos(s_hwnd, NULL, x, y, 0, 0,
  		 SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
  }
  #endif
  
  #if (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) || defined(PROTO)
  
  # ifdef WIN16
  #  define TEXT(a) a
  # endif
  /*=================================================================
   * Win32 printer stuff
   */
  
  static HFONT		prt_font_handles[2][2][2];
  static PRINTDLG		prt_dlg;
  static const int	boldface[2] = {FW_REGULAR, FW_BOLD};
  static TEXTMETRIC	prt_tm;
  static int		prt_line_height;
  static int		prt_number_width;
  static int		prt_left_margin;
  static int		prt_right_margin;
  static int		prt_top_margin;
  static char_u		szAppName[] = TEXT("VIM");
  static HWND		hDlgPrint;
  static int		*bUserAbort = NULL;
  static char_u		*prt_name = NULL;
  
  /* Defines which are also in vim.rc. */
  #define IDC_BOX1		400
  #define IDC_PRINTTEXT1		401
  #define IDC_PRINTTEXT2		402
  #define IDC_PROGRESS		403
  
  #if !defined(FEAT_MBYTE) || defined(WIN16)
  # define vimSetDlgItemText(h, i, s) SetDlgItemText(h, i, s)
  #else
      static BOOL
  vimSetDlgItemText(HWND hDlg, int nIDDlgItem, char_u *s)
  {
      WCHAR   *wp = NULL;
      BOOL    ret;
  
      if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
      {
  	wp = enc_to_utf16(s, NULL);
      }
      if (wp != NULL)
      {
  	ret = SetDlgItemTextW(hDlg, nIDDlgItem, wp);
  	vim_free(wp);
  	return ret;
      }
      return SetDlgItemText(hDlg, nIDDlgItem, s);
  }
  #endif
  
  /*
   * Convert BGR to RGB for Windows GDI calls
   */
      static COLORREF
  swap_me(COLORREF colorref)
  {
      int  temp;
      char *ptr = (char *)&colorref;
  
      temp = *(ptr);
      *(ptr ) = *(ptr + 2);
      *(ptr + 2) = temp;
      return colorref;
  }
  
  /* Attempt to make this work for old and new compilers */
  #if !defined(_WIN64) && (!defined(_MSC_VER) || _MSC_VER < 1300)
  # define PDP_RETVAL BOOL
  #else
  # define PDP_RETVAL INT_PTR
  #endif
  
  /*ARGSUSED*/
      static PDP_RETVAL CALLBACK
  PrintDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
  {
  #ifdef FEAT_GETTEXT
      NONCLIENTMETRICS nm;
      static HFONT hfont;
  #endif
  
      switch (message)
      {
  	case WM_INITDIALOG:
  #ifdef FEAT_GETTEXT
  	    nm.cbSize = sizeof(NONCLIENTMETRICS);
  	    if (SystemParametersInfo(
  			SPI_GETNONCLIENTMETRICS,
  			sizeof(NONCLIENTMETRICS),
  			&nm,
  			0))
  	    {
  		char buff[MAX_PATH];
  		int i;
  
  		/* Translate the dialog texts */
  		hfont = CreateFontIndirect(&nm.lfMessageFont);
  		for (i = IDC_PRINTTEXT1; i <= IDC_PROGRESS; i++)
  		{
  		    SendDlgItemMessage(hDlg, i, WM_SETFONT, (WPARAM)hfont, 1);
  		    if (GetDlgItemText(hDlg,i, buff, sizeof(buff)))
  			vimSetDlgItemText(hDlg,i, _(buff));
  		}
  		SendDlgItemMessage(hDlg, IDCANCEL,
  						WM_SETFONT, (WPARAM)hfont, 1);
  		if (GetDlgItemText(hDlg,IDCANCEL, buff, sizeof(buff)))
  		    vimSetDlgItemText(hDlg,IDCANCEL, _(buff));
  	    }
  #endif
  	    SetWindowText(hDlg, szAppName);
  	    if (prt_name != NULL)
  	    {
  		vimSetDlgItemText(hDlg, IDC_PRINTTEXT2, (LPSTR)prt_name);
  		vim_free(prt_name);
  		prt_name = NULL;
  	    }
  	    EnableMenuItem(GetSystemMenu(hDlg, FALSE), SC_CLOSE, MF_GRAYED);
  #ifndef FEAT_GUI
  	    BringWindowToTop(s_hwnd);
  #endif
  	    return TRUE;
  
  	case WM_COMMAND:
  	    *bUserAbort = TRUE;
  	    EnableWindow(GetParent(hDlg), TRUE);
  	    DestroyWindow(hDlg);
  	    hDlgPrint = NULL;
  #ifdef FEAT_GETTEXT
  	    DeleteObject(hfont);
  #endif
  	    return TRUE;
      }
      return FALSE;
  }
  
  /*ARGSUSED*/
      static BOOL CALLBACK
  AbortProc(HDC hdcPrn, int iCode)
  {
      MSG msg;
  
      while (!*bUserAbort && pPeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
      {
  	if (!hDlgPrint || !pIsDialogMessage(hDlgPrint, &msg))
  	{
  	    TranslateMessage(&msg);
  	    pDispatchMessage(&msg);
  	}
      }
      return !*bUserAbort;
  }
  
  #ifndef FEAT_GUI
  
      static UINT_PTR CALLBACK
  PrintHookProc(
  	HWND hDlg,	// handle to dialog box
  	UINT uiMsg,	// message identifier
  	WPARAM wParam,	// message parameter
  	LPARAM lParam	// message parameter
  	)
  {
      HWND	hwndOwner;
      RECT	rc, rcDlg, rcOwner;
      PRINTDLG	*pPD;
  
      if (uiMsg == WM_INITDIALOG)
      {
  	// Get the owner window and dialog box rectangles.
  	if ((hwndOwner = GetParent(hDlg)) == NULL)
  	    hwndOwner = GetDesktopWindow();
  
  	GetWindowRect(hwndOwner, &rcOwner);
  	GetWindowRect(hDlg, &rcDlg);
  	CopyRect(&rc, &rcOwner);
  
  	// Offset the owner and dialog box rectangles so that
  	// right and bottom values represent the width and
  	// height, and then offset the owner again to discard
  	// space taken up by the dialog box.
  
  	OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
  	OffsetRect(&rc, -rc.left, -rc.top);
  	OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
  
  	// The new position is the sum of half the remaining
  	// space and the owner's original position.
  
  	SetWindowPos(hDlg,
  		HWND_TOP,
  		rcOwner.left + (rc.right / 2),
  		rcOwner.top + (rc.bottom / 2),
  		0, 0,		// ignores size arguments
  		SWP_NOSIZE);
  
  	/*  tackle the printdlg copiesctrl problem */
  	pPD = (PRINTDLG *)lParam;
  	pPD->nCopies = (WORD)pPD->lCustData;
  	SetDlgItemInt( hDlg, edt3, pPD->nCopies, FALSE );
  	/*  Bring the window to top */
  	BringWindowToTop(GetParent(hDlg));
  	SetForegroundWindow(hDlg);
      }
  
      return FALSE;
  }
  #endif
  
      void
  mch_print_cleanup(void)
  {
      int pifItalic;
      int pifBold;
      int pifUnderline;
  
      for (pifBold = 0; pifBold <= 1; pifBold++)
  	for (pifItalic = 0; pifItalic <= 1; pifItalic++)
  	    for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
  		DeleteObject(prt_font_handles[pifBold][pifItalic][pifUnderline]);
  
      if (prt_dlg.hDC != NULL)
  	DeleteDC(prt_dlg.hDC);
      if (!*bUserAbort)
  	SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
  }
  
      static int
  to_device_units(int idx, int dpi, int physsize, int offset, int def_number)
  {
      int		ret = 0;
      int		u;
      int		nr;
  
      u = prt_get_unit(idx);
      if (u == PRT_UNIT_NONE)
      {
  	u = PRT_UNIT_PERC;
  	nr = def_number;
      }
      else
  	nr = printer_opts[idx].number;
  
      switch (u)
      {
  	case PRT_UNIT_PERC:
  	    ret = (physsize * nr) / 100;
  	    break;
  	case PRT_UNIT_INCH:
  	    ret = (nr * dpi);
  	    break;
  	case PRT_UNIT_MM:
  	    ret = (nr * 10 * dpi) / 254;
  	    break;
  	case PRT_UNIT_POINT:
  	    ret = (nr * 10 * dpi) / 720;
  	    break;
      }
  
      if (ret < offset)
  	return 0;
      else
  	return ret - offset;
  }
  
      static int
  prt_get_cpl(void)
  {
      int		hr;
      int		phyw;
      int		dvoff;
      int		rev_offset;
      int		dpi;
  #ifdef WIN16
      POINT	pagesize;
  #endif
  
      GetTextMetrics(prt_dlg.hDC, &prt_tm);
      prt_line_height = prt_tm.tmHeight + prt_tm.tmExternalLeading;
  
      hr	    = GetDeviceCaps(prt_dlg.hDC, HORZRES);
  #ifdef WIN16
      Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
      phyw    = pagesize.x;
      Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
      dvoff   = pagesize.x;
  #else
      phyw    = GetDeviceCaps(prt_dlg.hDC, PHYSICALWIDTH);
      dvoff   = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETX);
  #endif
      dpi	    = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSX);
  
      rev_offset = phyw - (dvoff + hr);
  
      prt_left_margin = to_device_units(OPT_PRINT_LEFT, dpi, phyw, dvoff, 10);
      if (prt_use_number())
      {
  	prt_number_width = PRINT_NUMBER_WIDTH * prt_tm.tmAveCharWidth;
  	prt_left_margin += prt_number_width;
      }
      else
  	prt_number_width = 0;
  
      prt_right_margin = hr - to_device_units(OPT_PRINT_RIGHT, dpi, phyw,
  							       rev_offset, 5);
  
      return (prt_right_margin - prt_left_margin) / prt_tm.tmAveCharWidth;
  }
  
      static int
  prt_get_lpp(void)
  {
      int vr;
      int phyw;
      int dvoff;
      int rev_offset;
      int	bottom_margin;
      int	dpi;
  #ifdef WIN16
      POINT pagesize;
  #endif
  
      vr	    = GetDeviceCaps(prt_dlg.hDC, VERTRES);
  #ifdef WIN16
      Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
      phyw    = pagesize.y;
      Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
      dvoff   = pagesize.y;
  #else
      phyw    = GetDeviceCaps(prt_dlg.hDC, PHYSICALHEIGHT);
      dvoff   = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETY);
  #endif
      dpi	    = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSY);
  
      rev_offset = phyw - (dvoff + vr);
  
      prt_top_margin = to_device_units(OPT_PRINT_TOP, dpi, phyw, dvoff, 5);
  
      /* adjust top margin if there is a header */
      prt_top_margin += prt_line_height * prt_header_height();
  
      bottom_margin = vr - to_device_units(OPT_PRINT_BOT, dpi, phyw,
  							       rev_offset, 5);
  
      return (bottom_margin - prt_top_margin) / prt_line_height;
  }
  
      int
  mch_print_init(prt_settings_T *psettings, char_u *jobname, int forceit)
  {
      static HGLOBAL	stored_dm = NULL;
      static HGLOBAL	stored_devn = NULL;
      static int		stored_nCopies = 1;
      static int		stored_nFlags = 0;
  
      LOGFONT		fLogFont;
      int			pifItalic;
      int			pifBold;
      int			pifUnderline;
  
      DEVMODE		*mem;
      DEVNAMES		*devname;
      int			i;
  
      bUserAbort = &(psettings->user_abort);
      vim_memset(&prt_dlg, 0, sizeof(PRINTDLG));
      prt_dlg.lStructSize = sizeof(PRINTDLG);
  #ifndef FEAT_GUI
      GetConsoleHwnd();	    /* get value of s_hwnd */
  #endif
      prt_dlg.hwndOwner = s_hwnd;
      prt_dlg.Flags = PD_NOPAGENUMS | PD_NOSELECTION | PD_RETURNDC;
      if (!forceit)
      {
  	prt_dlg.hDevMode = stored_dm;
  	prt_dlg.hDevNames = stored_devn;
  	prt_dlg.lCustData = stored_nCopies; // work around bug in print dialog
  #ifndef FEAT_GUI
  	/*
  	 * Use hook to prevent console window being sent to back
  	 */
  	prt_dlg.lpfnPrintHook = PrintHookProc;
  	prt_dlg.Flags |= PD_ENABLEPRINTHOOK;
  #endif
  	prt_dlg.Flags |= stored_nFlags;
      }
  
      /*
       * If bang present, return default printer setup with no dialog
       * never show dialog if we are running over telnet
       */
      if (forceit
  #ifndef FEAT_GUI
  	    || !term_console
  #endif
  	    )
      {
  	prt_dlg.Flags |= PD_RETURNDEFAULT;
  #ifdef WIN3264
  	/*
  	 * MSDN suggests setting the first parameter to WINSPOOL for
  	 * NT, but NULL appears to work just as well.
  	 */
  	if (*p_pdev != NUL)
  	    prt_dlg.hDC = CreateDC(NULL, p_pdev, NULL, NULL);
  	else
  #endif
  	{
  	    prt_dlg.Flags |= PD_RETURNDEFAULT;
  	    if (PrintDlg(&prt_dlg) == 0)
  		goto init_fail_dlg;
  	}
      }
      else if (PrintDlg(&prt_dlg) == 0)
  	goto init_fail_dlg;
      else
      {
  	/*
  	 * keep the previous driver context
  	 */
  	stored_dm = prt_dlg.hDevMode;
  	stored_devn = prt_dlg.hDevNames;
  	stored_nFlags = prt_dlg.Flags;
  	stored_nCopies = prt_dlg.nCopies;
      }
  
      if (prt_dlg.hDC == NULL)
      {
  	EMSG(_("E237: Printer selection failed"));
  	mch_print_cleanup();
  	return FALSE;
      }
  
      /* Not all printer drivers report the support of color (or grey) in the
       * same way.  Let's set has_color if there appears to be some way to print
       * more than B&W. */
      i = GetDeviceCaps(prt_dlg.hDC, NUMCOLORS);
      psettings->has_color = (GetDeviceCaps(prt_dlg.hDC, BITSPIXEL) > 1
  				   || GetDeviceCaps(prt_dlg.hDC, PLANES) > 1
  				   || i > 2 || i == -1);
  
      /* Ensure all font styles are baseline aligned */
      SetTextAlign(prt_dlg.hDC, TA_BASELINE|TA_LEFT);
  
      /*
       * On some windows systems the nCopies parameter is not
       * passed back correctly. It must be retrieved from the
       * hDevMode struct.
       */
      mem = (DEVMODE *)GlobalLock(prt_dlg.hDevMode);
      if (mem != NULL)
      {
  #ifdef WIN3264
  	if (mem->dmCopies != 1)
  	    stored_nCopies = mem->dmCopies;
  #endif
  	if ((mem->dmFields & DM_DUPLEX) && (mem->dmDuplex & ~DMDUP_SIMPLEX))
  	    psettings->duplex = TRUE;
  	if ((mem->dmFields & DM_COLOR) && (mem->dmColor & DMCOLOR_COLOR))
  	    psettings->has_color = TRUE;
      }
      GlobalUnlock(prt_dlg.hDevMode);
  
      devname = (DEVNAMES *)GlobalLock(prt_dlg.hDevNames);
      if (devname != 0)
      {
  	char_u	*printer_name = (char_u *)devname + devname->wDeviceOffset;
  	char_u	*port_name = (char_u *)devname +devname->wOutputOffset;
  	char_u	*text = _("to %s on %s");
  #ifdef FEAT_MBYTE
  	char_u  *printer_name_orig = printer_name;
  	char_u	*port_name_orig = port_name;
  
  	if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
  	{
  	    char_u  *to_free = NULL;
  	    int     maxlen;
  
  	    acp_to_enc(printer_name, (int)STRLEN(printer_name), &to_free,
  								    &maxlen);
  	    if (to_free != NULL)
  		printer_name = to_free;
  	    acp_to_enc(port_name, (int)STRLEN(port_name), &to_free, &maxlen);
  	    if (to_free != NULL)
  		port_name = to_free;
  	}
  #endif
  	prt_name = alloc((unsigned)(STRLEN(printer_name) + STRLEN(port_name)
  							     + STRLEN(text)));
  	if (prt_name != NULL)
  	    wsprintf(prt_name, text, printer_name, port_name);
  #ifdef FEAT_MBYTE
  	if (printer_name != printer_name_orig)
  	    vim_free(printer_name);
  	if (port_name != port_name_orig)
  	    vim_free(port_name);
  #endif
      }
      GlobalUnlock(prt_dlg.hDevNames);
  
      /*
       * Initialise the font according to 'printfont'
       */
      vim_memset(&fLogFont, 0, sizeof(fLogFont));
      if (get_logfont(&fLogFont, p_pfn, prt_dlg.hDC, TRUE) == FAIL)
      {
  	EMSG2(_("E613: Unknown printer font: %s"), p_pfn);
  	mch_print_cleanup();
  	return FALSE;
      }
  
      for (pifBold = 0; pifBold <= 1; pifBold++)
  	for (pifItalic = 0; pifItalic <= 1; pifItalic++)
  	    for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
  	    {
  		fLogFont.lfWeight =  boldface[pifBold];
  		fLogFont.lfItalic = pifItalic;
  		fLogFont.lfUnderline = pifUnderline;
  		prt_font_handles[pifBold][pifItalic][pifUnderline]
  					      = CreateFontIndirect(&fLogFont);
  	    }
  
      SetBkMode(prt_dlg.hDC, OPAQUE);
      SelectObject(prt_dlg.hDC, prt_font_handles[0][0][0]);
  
      /*
       * Fill in the settings struct
       */
      psettings->chars_per_line = prt_get_cpl();
      psettings->lines_per_page = prt_get_lpp();
      if (prt_dlg.Flags & PD_USEDEVMODECOPIESANDCOLLATE)
      {
  	psettings->n_collated_copies = (prt_dlg.Flags & PD_COLLATE)
  						    ? prt_dlg.nCopies : 1;
  	psettings->n_uncollated_copies = (prt_dlg.Flags & PD_COLLATE)
  						    ? 1 : prt_dlg.nCopies;
  
  	if (psettings->n_collated_copies == 0)
  	    psettings->n_collated_copies = 1;
  
  	if (psettings->n_uncollated_copies == 0)
  	    psettings->n_uncollated_copies = 1;
      } else {
  	psettings->n_collated_copies = 1;
  	psettings->n_uncollated_copies = 1;
      }
  
      psettings->jobname = jobname;
  
      return TRUE;
  
  init_fail_dlg:
      {
  	DWORD err = CommDlgExtendedError();
  
  	if (err)
  	{
  #ifdef WIN16
  	    char buf[20];
  
  	    sprintf(buf, "%ld", err);
  	    EMSG2(_("E238: Print error: %s"), buf);
  #else
  	    char_u *buf;
  
  	    /* I suspect FormatMessage() doesn't work for values returned by
  	     * CommDlgExtendedError().  What does? */
  	    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
  			  FORMAT_MESSAGE_FROM_SYSTEM |
  			  FORMAT_MESSAGE_IGNORE_INSERTS,
  			  NULL, err, 0, (LPTSTR)(&buf), 0, NULL);
  	    EMSG2(_("E238: Print error: %s"),
  				  buf == NULL ? (char_u *)_("Unknown") : buf);
  	    LocalFree((LPVOID)(buf));
  #endif
  	}
  	else
  	    msg_clr_eos(); /* Maybe canceled */
  
  	mch_print_cleanup();
  	return FALSE;
      }
  }
  
  
      int
  mch_print_begin(prt_settings_T *psettings)
  {
      int			ret;
      static DOCINFO	di;
      char		szBuffer[300];
  
      hDlgPrint = CreateDialog(GetModuleHandle(NULL), TEXT("PrintDlgBox"),
  					     prt_dlg.hwndOwner, PrintDlgProc);
  #ifdef WIN16
      Escape(prt_dlg.hDC, SETABORTPROC, 0, (LPSTR)AbortProc, NULL);
  #else
      SetAbortProc(prt_dlg.hDC, AbortProc);
  #endif
      wsprintf(szBuffer, _("Printing '%s'"), gettail(psettings->jobname));
      vimSetDlgItemText(hDlgPrint, IDC_PRINTTEXT1, (LPSTR)szBuffer);
  
      vim_memset(&di, 0, sizeof(DOCINFO));
      di.cbSize = sizeof(DOCINFO);
      di.lpszDocName = psettings->jobname;
      ret = StartDoc(prt_dlg.hDC, &di);
  
  #ifdef FEAT_GUI
      /* Give focus back to main window (when using MDI). */
      SetFocus(s_hwnd);
  #endif
  
      return (ret > 0);
  }
  
  /*ARGSUSED*/
      void
  mch_print_end(prt_settings_T *psettings)
  {
      EndDoc(prt_dlg.hDC);
      if (!*bUserAbort)
  	SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
  }
  
      int
  mch_print_end_page(void)
  {
      return (EndPage(prt_dlg.hDC) > 0);
  }
  
      int
  mch_print_begin_page(char_u *msg)
  {
      if (msg != NULL)
  	vimSetDlgItemText(hDlgPrint, IDC_PROGRESS, (LPSTR)msg);
      return (StartPage(prt_dlg.hDC) > 0);
  }
  
      int
  mch_print_blank_page(void)
  {
      return (mch_print_begin_page(NULL) ? (mch_print_end_page()) : FALSE);
  }
  
  static int prt_pos_x = 0;
  static int prt_pos_y = 0;
  
      void
  mch_print_start_line(int margin, int page_line)
  {
      if (margin)
  	prt_pos_x = -prt_number_width;
      else
  	prt_pos_x = 0;
      prt_pos_y = page_line * prt_line_height
  				 + prt_tm.tmAscent + prt_tm.tmExternalLeading;
  }
  
      int
  mch_print_text_out(char_u *p, int len)
  {
  #if defined(FEAT_PROPORTIONAL_FONTS) || (defined(FEAT_MBYTE) && !defined(WIN16))
      SIZE	sz;
  #endif
  #if defined(FEAT_MBYTE) && !defined(WIN16)
      WCHAR	*wp = NULL;
      int		wlen = len;
  
      if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
      {
  	wp = enc_to_utf16(p, &wlen);
      }
      if (wp != NULL)
      {
  	int ret = FALSE;
  
  	TextOutW(prt_dlg.hDC, prt_pos_x + prt_left_margin,
  					 prt_pos_y + prt_top_margin, wp, wlen);
  	GetTextExtentPoint32W(prt_dlg.hDC, wp, wlen, &sz);
  	vim_free(wp);
  	prt_pos_x += (sz.cx - prt_tm.tmOverhang);
  	/* This is wrong when printing spaces for a TAB. */
  	if (p[len] != NUL)
  	{
  	    wlen = MB_PTR2LEN(p + len);
  	    wp = enc_to_utf16(p + len, &wlen);
  	    if (wp != NULL)
  	    {
  		GetTextExtentPoint32W(prt_dlg.hDC, wp, 1, &sz);
  		ret = (prt_pos_x + prt_left_margin + sz.cx > prt_right_margin);
  		vim_free(wp);
  	    }
  	}
  	return ret;
      }
  #endif
      TextOut(prt_dlg.hDC, prt_pos_x + prt_left_margin,
  					  prt_pos_y + prt_top_margin, p, len);
  #ifndef FEAT_PROPORTIONAL_FONTS
      prt_pos_x += len * prt_tm.tmAveCharWidth;
      return (prt_pos_x + prt_left_margin + prt_tm.tmAveCharWidth
  				     + prt_tm.tmOverhang > prt_right_margin);
  #else
  # ifdef WIN16
      GetTextExtentPoint(prt_dlg.hDC, p, len, &sz);
  # else
      GetTextExtentPoint32(prt_dlg.hDC, p, len, &sz);
  # endif
      prt_pos_x += (sz.cx - prt_tm.tmOverhang);
      /* This is wrong when printing spaces for a TAB. */
      if (p[len] == NUL)
  	return FALSE;
  # ifdef WIN16
      GetTextExtentPoint(prt_dlg.hDC, p + len, 1, &sz);
  # else
      GetTextExtentPoint32(prt_dlg.hDC, p + len, 1, &sz);
  # endif
      return (prt_pos_x + prt_left_margin + sz.cx > prt_right_margin);
  #endif
  }
  
      void
  mch_print_set_font(int iBold, int iItalic, int iUnderline)
  {
      SelectObject(prt_dlg.hDC, prt_font_handles[iBold][iItalic][iUnderline]);
  }
  
      void
  mch_print_set_bg(long_u bgcol)
  {
      SetBkColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
  						   swap_me((COLORREF)bgcol)));
      /*
       * With a white background we can draw characters transparent, which is
       * good for italic characters that overlap to the next char cell.
       */
      if (bgcol == 0xffffffUL)
  	SetBkMode(prt_dlg.hDC, TRANSPARENT);
      else
  	SetBkMode(prt_dlg.hDC, OPAQUE);
  }
  
      void
  mch_print_set_fg(long_u fgcol)
  {
      SetTextColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
  						   swap_me((COLORREF)fgcol)));
  }
  
  #endif /*FEAT_PRINTER && !FEAT_POSTSCRIPT*/
  
  
  
  #if defined(FEAT_SHORTCUT) || defined(PROTO)
  # ifndef PROTO
  #  include <shlobj.h>
  # endif
  
  /*
   * When "fname" is the name of a shortcut (*.lnk) resolve the file it points
   * to and return that name in allocated memory.
   * Otherwise NULL is returned.
   */
      char_u *
  mch_resolve_shortcut(char_u *fname)
  {
      HRESULT		hr;
      IShellLink		*psl = NULL;
      IPersistFile	*ppf = NULL;
      OLECHAR		wsz[MAX_PATH];
      WIN32_FIND_DATA	ffd; // we get those free of charge
      CHAR		buf[MAX_PATH]; // could have simply reused 'wsz'...
      char_u		*rfname = NULL;
      int			len;
  # ifdef FEAT_MBYTE
      IShellLinkW		*pslw = NULL;
      WIN32_FIND_DATAW	ffdw; // we get those free of charge
  # endif
  
      /* Check if the file name ends in ".lnk". Avoid calling
       * CoCreateInstance(), it's quite slow. */
      if (fname == NULL)
  	return rfname;
      len = (int)STRLEN(fname);
      if (len <= 4 || STRNICMP(fname + len - 4, ".lnk", 4) != 0)
  	return rfname;
  
      CoInitialize(NULL);
  
  # ifdef FEAT_MBYTE
      if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
      {
  	// create a link manager object and request its interface
  	hr = CoCreateInstance(
  		&CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
  		&IID_IShellLinkW, (void**)&pslw);
  	if (hr == S_OK)
  	{
  	    WCHAR	*p = enc_to_utf16(fname, NULL);
  
  	    if (p != NULL)
  	    {
  		// Get a pointer to the IPersistFile interface.
  		hr = pslw->lpVtbl->QueryInterface(
  			pslw, &IID_IPersistFile, (void**)&ppf);
  		if (hr != S_OK)
  		    goto shortcut_errorw;
  
  		// "load" the name and resolve the link
  		hr = ppf->lpVtbl->Load(ppf, p, STGM_READ);
  		if (hr != S_OK)
  		    goto shortcut_errorw;
  #  if 0  // This makes Vim wait a long time if the target does not exist.
  		hr = pslw->lpVtbl->Resolve(pslw, NULL, SLR_NO_UI);
  		if (hr != S_OK)
  		    goto shortcut_errorw;
  #  endif
  
  		// Get the path to the link target.
  		ZeroMemory(wsz, MAX_PATH * sizeof(WCHAR));
  		hr = pslw->lpVtbl->GetPath(pslw, wsz, MAX_PATH, &ffdw, 0);
  		if (hr == S_OK && wsz[0] != NUL)
  		    rfname = utf16_to_enc(wsz, NULL);
  
  shortcut_errorw:
  		vim_free(p);
  		goto shortcut_end;
  	    }
  	}
  	/* Retry with non-wide function (for Windows 98). */
      }
  # endif
      // create a link manager object and request its interface
      hr = CoCreateInstance(
  	    &CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
  	    &IID_IShellLink, (void**)&psl);
      if (hr != S_OK)
  	goto shortcut_end;
  
      // Get a pointer to the IPersistFile interface.
      hr = psl->lpVtbl->QueryInterface(
  	    psl, &IID_IPersistFile, (void**)&ppf);
      if (hr != S_OK)
  	goto shortcut_end;
  
      // full path string must be in Unicode.
      MultiByteToWideChar(CP_ACP, 0, fname, -1, wsz, MAX_PATH);
  
      // "load" the name and resolve the link
      hr = ppf->lpVtbl->Load(ppf, wsz, STGM_READ);
      if (hr != S_OK)
  	goto shortcut_end;
  # if 0  // This makes Vim wait a long time if the target doesn't exist.
      hr = psl->lpVtbl->Resolve(psl, NULL, SLR_NO_UI);
      if (hr != S_OK)
  	goto shortcut_end;
  # endif
  
      // Get the path to the link target.
      ZeroMemory(buf, MAX_PATH);
      hr = psl->lpVtbl->GetPath(psl, buf, MAX_PATH, &ffd, 0);
      if (hr == S_OK && buf[0] != NUL)
  	rfname = vim_strsave(buf);
  
  shortcut_end:
      // Release all interface pointers (both belong to the same object)
      if (ppf != NULL)
  	ppf->lpVtbl->Release(ppf);
      if (psl != NULL)
  	psl->lpVtbl->Release(psl);
  # ifdef FEAT_MBYTE
      if (pslw != NULL)
  	pslw->lpVtbl->Release(pslw);
  # endif
  
      CoUninitialize();
      return rfname;
  }
  #endif
  
  #if (defined(FEAT_EVAL) && !defined(FEAT_GUI)) || defined(PROTO)
  /*
   * Bring ourselves to the foreground.  Does work if the OS doesn't allow it.
   */
      void
  win32_set_foreground(void)
  {
  # ifndef FEAT_GUI
      GetConsoleHwnd();	    /* get value of s_hwnd */
  # endif
      if (s_hwnd != 0)
  	SetForegroundWindow(s_hwnd);
  }
  #endif
  
  #if defined(FEAT_CLIENTSERVER) || defined(PROTO)
  /*
   * Client-server code for Vim
   *
   * Originally written by Paul Moore
   */
  
  /* In order to handle inter-process messages, we need to have a window. But
   * the functions in this module can be called before the main GUI window is
   * created (and may also be called in the console version, where there is no
   * GUI window at all).
   *
   * So we create a hidden window, and arrange to destroy it on exit.
   */
  HWND message_window = 0;	    /* window that's handling messages */
  
  #define VIM_CLASSNAME      "VIM_MESSAGES"
  #define VIM_CLASSNAME_LEN  (sizeof(VIM_CLASSNAME) - 1)
  
  /* Communication is via WM_COPYDATA messages. The message type is send in
   * the dwData parameter. Types are defined here. */
  #define COPYDATA_KEYS		0
  #define COPYDATA_REPLY		1
  #define COPYDATA_EXPR		10
  #define COPYDATA_RESULT		11
  #define COPYDATA_ERROR_RESULT	12
  #define COPYDATA_ENCODING	20
  
  /* This is a structure containing a server HWND and its name. */
  struct server_id
  {
      HWND hwnd;
      char_u *name;
  };
  
  /* Last received 'encoding' that the client uses. */
  static char_u	*client_enc = NULL;
  
  /*
   * Tell the other side what encoding we are using.
   * Errors are ignored.
   */
      static void
  serverSendEnc(HWND target)
  {
      COPYDATASTRUCT data;
  
      data.dwData = COPYDATA_ENCODING;
  #ifdef FEAT_MBYTE
      data.cbData = (DWORD)STRLEN(p_enc) + 1;
      data.lpData = p_enc;
  #else
      data.cbData = (DWORD)STRLEN("latin1") + 1;
      data.lpData = "latin1";
  #endif
      (void)SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
  							     (LPARAM)(&data));
  }
  
  /*
   * Clean up on exit. This destroys the hidden message window.
   */
      static void
  #ifdef __BORLANDC__
      _RTLENTRYF
  #endif
  CleanUpMessaging(void)
  {
      if (message_window != 0)
      {
  	DestroyWindow(message_window);
  	message_window = 0;
      }
  }
  
  static int save_reply(HWND server, char_u *reply, int expr);
  
  /*
   * The window procedure for the hidden message window.
   * It handles callback messages and notifications from servers.
   * In order to process these messages, it is necessary to run a
   * message loop. Code which may run before the main message loop
   * is started (in the GUI) is careful to pump messages when it needs
   * to. Features which require message delivery during normal use will
   * not work in the console version - this basically means those
   * features which allow Vim to act as a server, rather than a client.
   */
      static LRESULT CALLBACK
  Messaging_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  {
      if (msg == WM_COPYDATA)
      {
  	/* This is a message from another Vim. The dwData member of the
  	 * COPYDATASTRUCT determines the type of message:
  	 *   COPYDATA_ENCODING:
  	 *	The encoding that the client uses. Following messages will
  	 *	use this encoding, convert if needed.
  	 *   COPYDATA_KEYS:
  	 *	A key sequence. We are a server, and a client wants these keys
  	 *	adding to the input queue.
  	 *   COPYDATA_REPLY:
  	 *	A reply. We are a client, and a server has sent this message
  	 *	in response to a request.  (server2client())
  	 *   COPYDATA_EXPR:
  	 *	An expression. We are a server, and a client wants us to
  	 *	evaluate this expression.
  	 *   COPYDATA_RESULT:
  	 *	A reply. We are a client, and a server has sent this message
  	 *	in response to a COPYDATA_EXPR.
  	 *   COPYDATA_ERROR_RESULT:
  	 *	A reply. We are a client, and a server has sent this message
  	 *	in response to a COPYDATA_EXPR that failed to evaluate.
  	 */
  	COPYDATASTRUCT	*data = (COPYDATASTRUCT*)lParam;
  	HWND		sender = (HWND)wParam;
  	COPYDATASTRUCT	reply;
  	char_u		*res;
  	int		retval;
  	char_u		*str;
  	char_u		*tofree;
  
  	switch (data->dwData)
  	{
  	case COPYDATA_ENCODING:
  # ifdef FEAT_MBYTE
  	    /* Remember the encoding that the client uses. */
  	    vim_free(client_enc);
  	    client_enc = enc_canonize((char_u *)data->lpData);
  # endif
  	    return 1;
  
  	case COPYDATA_KEYS:
  	    /* Remember who sent this, for <client> */
  	    clientWindow = sender;
  
  	    /* Add the received keys to the input buffer.  The loop waiting
  	     * for the user to do something should check the input buffer. */
  	    str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
  	    server_to_input_buf(str);
  	    vim_free(tofree);
  
  # ifdef FEAT_GUI
  	    /* Wake up the main GUI loop. */
  	    if (s_hwnd != 0)
  		PostMessage(s_hwnd, WM_NULL, 0, 0);
  # endif
  	    return 1;
  
  	case COPYDATA_EXPR:
  	    /* Remember who sent this, for <client> */
  	    clientWindow = sender;
  
  	    str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
  	    res = eval_client_expr_to_string(str);
  	    vim_free(tofree);
  
  	    if (res == NULL)
  	    {
  		res = vim_strsave(_(e_invexprmsg));
  		reply.dwData = COPYDATA_ERROR_RESULT;
  	    }
  	    else
  		reply.dwData = COPYDATA_RESULT;
  	    reply.lpData = res;
  	    reply.cbData = (DWORD)STRLEN(res) + 1;
  
  	    serverSendEnc(sender);
  	    retval = (int)SendMessage(sender, WM_COPYDATA,
  				    (WPARAM)message_window, (LPARAM)(&reply));
  	    vim_free(res);
  	    return retval;
  
  	case COPYDATA_REPLY:
  	case COPYDATA_RESULT:
  	case COPYDATA_ERROR_RESULT:
  	    if (data->lpData != NULL)
  	    {
  		str = serverConvert(client_enc, (char_u *)data->lpData,
  								     &tofree);
  		if (tofree == NULL)
  		    str = vim_strsave(str);
  		if (save_reply(sender, str,
  			   (data->dwData == COPYDATA_REPLY ?  0 :
  			   (data->dwData == COPYDATA_RESULT ? 1 :
  							      2))) == FAIL)
  		    vim_free(str);
  #ifdef FEAT_AUTOCMD
  		else if (data->dwData == COPYDATA_REPLY)
  		{
  		    char_u	winstr[30];
  
  		    sprintf((char *)winstr, PRINTF_HEX_LONG_U, (long_u)sender);
  		    apply_autocmds(EVENT_REMOTEREPLY, winstr, str,
  								TRUE, curbuf);
  		}
  #endif
  	    }
  	    return 1;
  	}
  
  	return 0;
      }
  
      else if (msg == WM_ACTIVATE && wParam == WA_ACTIVE)
      {
  	/* When the message window is activated (brought to the foreground),
  	 * this actually applies to the text window. */
  #ifndef FEAT_GUI
  	GetConsoleHwnd();	    /* get value of s_hwnd */
  #endif
  	if (s_hwnd != 0)
  	{
  	    SetForegroundWindow(s_hwnd);
  	    return 0;
  	}
      }
  
      return DefWindowProc(hwnd, msg, wParam, lParam);
  }
  
  /*
   * Initialise the message handling process.  This involves creating a window
   * to handle messages - the window will not be visible.
   */
      void
  serverInitMessaging(void)
  {
      WNDCLASS wndclass;
      HINSTANCE s_hinst;
  
      /* Clean up on exit */
      atexit(CleanUpMessaging);
  
      /* Register a window class - we only really care
       * about the window procedure
       */
      s_hinst = (HINSTANCE)GetModuleHandle(0);
      wndclass.style = 0;
      wndclass.lpfnWndProc = Messaging_WndProc;
      wndclass.cbClsExtra = 0;
      wndclass.cbWndExtra = 0;
      wndclass.hInstance = s_hinst;
      wndclass.hIcon = NULL;
      wndclass.hCursor = NULL;
      wndclass.hbrBackground = NULL;
      wndclass.lpszMenuName = NULL;
      wndclass.lpszClassName = VIM_CLASSNAME;
      RegisterClass(&wndclass);
  
      /* Create the message window. It will be hidden, so the details don't
       * matter.  Don't use WS_OVERLAPPEDWINDOW, it will make a shortcut remove
       * focus from gvim. */
      message_window = CreateWindow(VIM_CLASSNAME, "",
  			 WS_POPUPWINDOW | WS_CAPTION,
  			 CW_USEDEFAULT, CW_USEDEFAULT,
  			 100, 100, NULL, NULL,
  			 s_hinst, NULL);
  }
  
  /* Used by serverSendToVim() to find an alternate server name. */
  static char_u *altname_buf_ptr = NULL;
  
  /*
   * Get the title of the window "hwnd", which is the Vim server name, in
   * "name[namelen]" and return the length.
   * Returns zero if window "hwnd" is not a Vim server.
   */
      static int
  getVimServerName(HWND hwnd, char *name, int namelen)
  {
      int		len;
      char	buffer[VIM_CLASSNAME_LEN + 1];
  
      /* Ignore windows which aren't Vim message windows */
      len = GetClassName(hwnd, buffer, sizeof(buffer));
      if (len != VIM_CLASSNAME_LEN || STRCMP(buffer, VIM_CLASSNAME) != 0)
  	return 0;
  
      /* Get the title of the window */
      return GetWindowText(hwnd, name, namelen);
  }
  
      static BOOL CALLBACK
  enumWindowsGetServer(HWND hwnd, LPARAM lparam)
  {
      struct	server_id *id = (struct server_id *)lparam;
      char	server[MAX_PATH];
  
      /* Get the title of the window */
      if (getVimServerName(hwnd, server, sizeof(server)) == 0)
  	return TRUE;
  
      /* If this is the server we're looking for, return its HWND */
      if (STRICMP(server, id->name) == 0)
      {
  	id->hwnd = hwnd;
  	return FALSE;
      }
  
      /* If we are looking for an alternate server, remember this name. */
      if (altname_buf_ptr != NULL
  	    && STRNICMP(server, id->name, STRLEN(id->name)) == 0
  	    && vim_isdigit(server[STRLEN(id->name)]))
      {
  	STRCPY(altname_buf_ptr, server);
  	altname_buf_ptr = NULL;	    /* don't use another name */
      }
  
      /* Otherwise, keep looking */
      return TRUE;
  }
  
      static BOOL CALLBACK
  enumWindowsGetNames(HWND hwnd, LPARAM lparam)
  {
      garray_T	*ga = (garray_T *)lparam;
      char	server[MAX_PATH];
  
      /* Get the title of the window */
      if (getVimServerName(hwnd, server, sizeof(server)) == 0)
  	return TRUE;
  
      /* Add the name to the list */
      ga_concat(ga, server);
      ga_concat(ga, "\n");
      return TRUE;
  }
  
      static HWND
  findServer(char_u *name)
  {
      struct server_id id;
  
      id.name = name;
      id.hwnd = 0;
  
      EnumWindows(enumWindowsGetServer, (LPARAM)(&id));
  
      return id.hwnd;
  }
  
      void
  serverSetName(char_u *name)
  {
      char_u	*ok_name;
      HWND	hwnd = 0;
      int		i = 0;
      char_u	*p;
  
      /* Leave enough space for a 9-digit suffix to ensure uniqueness! */
      ok_name = alloc((unsigned)STRLEN(name) + 10);
  
      STRCPY(ok_name, name);
      p = ok_name + STRLEN(name);
  
      for (;;)
      {
  	/* This is inefficient - we're doing an EnumWindows loop for each
  	 * possible name. It would be better to grab all names in one go,
  	 * and scan the list each time...
  	 */
  	hwnd = findServer(ok_name);
  	if (hwnd == 0)
  	    break;
  
  	++i;
  	if (i >= 1000)
  	    break;
  
  	sprintf((char *)p, "%d", i);
      }
  
      if (hwnd != 0)
  	vim_free(ok_name);
      else
      {
  	/* Remember the name */
  	serverName = ok_name;
  #ifdef FEAT_TITLE
  	need_maketitle = TRUE;	/* update Vim window title later */
  #endif
  
  	/* Update the message window title */
  	SetWindowText(message_window, ok_name);
  
  #ifdef FEAT_EVAL
  	/* Set the servername variable */
  	set_vim_var_string(VV_SEND_SERVER, serverName, -1);
  #endif
      }
  }
  
      char_u *
  serverGetVimNames(void)
  {
      garray_T ga;
  
      ga_init2(&ga, 1, 100);
  
      EnumWindows(enumWindowsGetNames, (LPARAM)(&ga));
      ga_append(&ga, NUL);
  
      return ga.ga_data;
  }
  
      int
  serverSendReply(
      char_u	*name,		/* Where to send. */
      char_u	*reply)		/* What to send. */
  {
      HWND	target;
      COPYDATASTRUCT data;
      long_u	n = 0;
  
      /* The "name" argument is a magic cookie obtained from expand("<client>").
       * It should be of the form 0xXXXXX - i.e. a C hex literal, which is the
       * value of the client's message window HWND.
       */
      sscanf((char *)name, SCANF_HEX_LONG_U, &n);
      if (n == 0)
  	return -1;
  
      target = (HWND)n;
      if (!IsWindow(target))
  	return -1;
  
      data.dwData = COPYDATA_REPLY;
      data.cbData = (DWORD)STRLEN(reply) + 1;
      data.lpData = reply;
  
      serverSendEnc(target);
      if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
  							     (LPARAM)(&data)))
  	return 0;
  
      return -1;
  }
  
      int
  serverSendToVim(
      char_u	 *name,			/* Where to send. */
      char_u	 *cmd,			/* What to send. */
      char_u	 **result,		/* Result of eval'ed expression */
      void	 *ptarget,		/* HWND of server */
      int		 asExpr,		/* Expression or keys? */
      int		 silent)		/* don't complain about no server */
  {
      HWND	target;
      COPYDATASTRUCT data;
      char_u	*retval = NULL;
      int		retcode = 0;
      char_u	altname_buf[MAX_PATH];
  
      /* If the server name does not end in a digit then we look for an
       * alternate name.  e.g. when "name" is GVIM the we may find GVIM2. */
      if (STRLEN(name) > 1 && !vim_isdigit(name[STRLEN(name) - 1]))
  	altname_buf_ptr = altname_buf;
      altname_buf[0] = NUL;
      target = findServer(name);
      altname_buf_ptr = NULL;
      if (target == 0 && altname_buf[0] != NUL)
  	/* Use another server name we found. */
  	target = findServer(altname_buf);
  
      if (target == 0)
      {
  	if (!silent)
  	    EMSG2(_(e_noserver), name);
  	return -1;
      }
  
      if (ptarget)
  	*(HWND *)ptarget = target;
  
      data.dwData = asExpr ? COPYDATA_EXPR : COPYDATA_KEYS;
      data.cbData = (DWORD)STRLEN(cmd) + 1;
      data.lpData = cmd;
  
      serverSendEnc(target);
      if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
  							(LPARAM)(&data)) == 0)
  	return -1;
  
      if (asExpr)
  	retval = serverGetReply(target, &retcode, TRUE, TRUE);
  
      if (result == NULL)
  	vim_free(retval);
      else
  	*result = retval; /* Caller assumes responsibility for freeing */
  
      return retcode;
  }
  
  /*
   * Bring the server to the foreground.
   */
      void
  serverForeground(char_u *name)
  {
      HWND	target = findServer(name);
  
      if (target != 0)
  	SetForegroundWindow(target);
  }
  
  /* Replies from server need to be stored until the client picks them up via
   * remote_read(). So we maintain a list of server-id/reply pairs.
   * Note that there could be multiple replies from one server pending if the
   * client is slow picking them up.
   * We just store the replies in a simple list. When we remove an entry, we
   * move list entries down to fill the gap.
   * The server ID is simply the HWND.
   */
  typedef struct
  {
      HWND	server;		/* server window */
      char_u	*reply;		/* reply string */
      int		expr_result;	/* 0 for REPLY, 1 for RESULT 2 for error */
  } reply_T;
  
  static garray_T reply_list = {0, 0, sizeof(reply_T), 5, 0};
  
  #define REPLY_ITEM(i) ((reply_T *)(reply_list.ga_data) + (i))
  #define REPLY_COUNT (reply_list.ga_len)
  
  /* Flag which is used to wait for a reply */
  static int reply_received = 0;
  
  /*
   * Store a reply.  "reply" must be allocated memory (or NULL).
   */
      static int
  save_reply(HWND server, char_u *reply, int expr)
  {
      reply_T *rep;
  
      if (ga_grow(&reply_list, 1) == FAIL)
  	return FAIL;
  
      rep = REPLY_ITEM(REPLY_COUNT);
      rep->server = server;
      rep->reply = reply;
      rep->expr_result = expr;
      if (rep->reply == NULL)
  	return FAIL;
  
      ++REPLY_COUNT;
      reply_received = 1;
      return OK;
  }
  
  /*
   * Get a reply from server "server".
   * When "expr_res" is non NULL, get the result of an expression, otherwise a
   * server2client() message.
   * When non NULL, point to return code. 0 => OK, -1 => ERROR
   * If "remove" is TRUE, consume the message, the caller must free it then.
   * if "wait" is TRUE block until a message arrives (or the server exits).
   */
      char_u *
  serverGetReply(HWND server, int *expr_res, int remove, int wait)
  {
      int		i;
      char_u	*reply;
      reply_T	*rep;
  
      /* When waiting, loop until the message waiting for is received. */
      for (;;)
      {
  	/* Reset this here, in case a message arrives while we are going
  	 * through the already received messages. */
  	reply_received = 0;
  
  	for (i = 0; i < REPLY_COUNT; ++i)
  	{
  	    rep = REPLY_ITEM(i);
  	    if (rep->server == server
  		    && ((rep->expr_result != 0) == (expr_res != NULL)))
  	    {
  		/* Save the values we've found for later */
  		reply = rep->reply;
  		if (expr_res != NULL)
  		    *expr_res = rep->expr_result == 1 ? 0 : -1;
  
  		if (remove)
  		{
  		    /* Move the rest of the list down to fill the gap */
  		    mch_memmove(rep, rep + 1,
  				     (REPLY_COUNT - i - 1) * sizeof(reply_T));
  		    --REPLY_COUNT;
  		}
  
  		/* Return the reply to the caller, who takes on responsibility
  		 * for freeing it if "remove" is TRUE. */
  		return reply;
  	    }
  	}
  
  	/* If we got here, we didn't find a reply. Return immediately if the
  	 * "wait" parameter isn't set.  */
  	if (!wait)
  	    break;
  
  	/* We need to wait for a reply. Enter a message loop until the
  	 * "reply_received" flag gets set. */
  
  	/* Loop until we receive a reply */
  	while (reply_received == 0)
  	{
  	    /* Wait for a SendMessage() call to us.  This could be the reply
  	     * we are waiting for.  Use a timeout of a second, to catch the
  	     * situation that the server died unexpectedly. */
  	    MsgWaitForMultipleObjects(0, NULL, TRUE, 1000, QS_ALLINPUT);
  
  	    /* If the server has died, give up */
  	    if (!IsWindow(server))
  		return NULL;
  
  	    serverProcessPendingMessages();
  	}
      }
  
      return NULL;
  }
  
  /*
   * Process any messages in the Windows message queue.
   */
      void
  serverProcessPendingMessages(void)
  {
      MSG msg;
  
      while (pPeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
      {
  	TranslateMessage(&msg);
  	pDispatchMessage(&msg);
      }
  }
  
  #endif /* FEAT_CLIENTSERVER */
  
  #if defined(FEAT_GUI) || (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) \
  	|| defined(PROTO)
  
  struct charset_pair
  {
      char	*name;
      BYTE	charset;
  };
  
  static struct charset_pair
  charset_pairs[] =
  {
      {"ANSI",		ANSI_CHARSET},
      {"CHINESEBIG5",	CHINESEBIG5_CHARSET},
      {"DEFAULT",		DEFAULT_CHARSET},
      {"HANGEUL",		HANGEUL_CHARSET},
      {"OEM",		OEM_CHARSET},
      {"SHIFTJIS",	SHIFTJIS_CHARSET},
      {"SYMBOL",		SYMBOL_CHARSET},
  #ifdef WIN3264
      {"ARABIC",		ARABIC_CHARSET},
      {"BALTIC",		BALTIC_CHARSET},
      {"EASTEUROPE",	EASTEUROPE_CHARSET},
      {"GB2312",		GB2312_CHARSET},
      {"GREEK",		GREEK_CHARSET},
      {"HEBREW",		HEBREW_CHARSET},
      {"JOHAB",		JOHAB_CHARSET},
      {"MAC",		MAC_CHARSET},
      {"RUSSIAN",		RUSSIAN_CHARSET},
      {"THAI",		THAI_CHARSET},
      {"TURKISH",		TURKISH_CHARSET},
  # if (!defined(_MSC_VER) || (_MSC_VER > 1010)) \
  	&& (!defined(__BORLANDC__) || (__BORLANDC__ > 0x0500))
      {"VIETNAMESE",	VIETNAMESE_CHARSET},
  # endif
  #endif
      {NULL,		0}
  };
  
  /*
   * Convert a charset ID to a name.
   * Return NULL when not recognized.
   */
      char *
  charset_id2name(int id)
  {
      struct charset_pair *cp;
  
      for (cp = charset_pairs; cp->name != NULL; ++cp)
  	if ((BYTE)id == cp->charset)
  	    break;
      return cp->name;
  }
  
  static const LOGFONT s_lfDefault =
  {
      -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
      OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
      PROOF_QUALITY, FIXED_PITCH | FF_DONTCARE,
      "Fixedsys"	/* see _ReadVimIni */
  };
  
  /* Initialise the "current height" to -12 (same as s_lfDefault) just
   * in case the user specifies a font in "guifont" with no size before a font
   * with an explicit size has been set. This defaults the size to this value
   * (-12 equates to roughly 9pt).
   */
  int current_font_height = -12;		/* also used in gui_w48.c */
  
  /* Convert a string representing a point size into pixels. The string should
   * be a positive decimal number, with an optional decimal point (eg, "12", or
   * "10.5"). The pixel value is returned, and a pointer to the next unconverted
   * character is stored in *end. The flag "vertical" says whether this
   * calculation is for a vertical (height) size or a horizontal (width) one.
   */
      static int
  points_to_pixels(char_u *str, char_u **end, int vertical, long_i pprinter_dc)
  {
      int		pixels;
      int		points = 0;
      int		divisor = 0;
      HWND	hwnd = (HWND)0;
      HDC		hdc;
      HDC		printer_dc = (HDC)pprinter_dc;
  
      while (*str != NUL)
      {
  	if (*str == '.' && divisor == 0)
  	{
  	    /* Start keeping a divisor, for later */
  	    divisor = 1;
  	}
  	else
  	{
  	    if (!VIM_ISDIGIT(*str))
  		break;
  
  	    points *= 10;
  	    points += *str - '0';
  	    divisor *= 10;
  	}
  	++str;
      }
  
      if (divisor == 0)
  	divisor = 1;
  
      if (printer_dc == NULL)
      {
  	hwnd = GetDesktopWindow();
  	hdc = GetWindowDC(hwnd);
      }
      else
  	hdc = printer_dc;
  
      pixels = MulDiv(points,
  		    GetDeviceCaps(hdc, vertical ? LOGPIXELSY : LOGPIXELSX),
  		    72 * divisor);
  
      if (printer_dc == NULL)
  	ReleaseDC(hwnd, hdc);
  
      *end = str;
      return pixels;
  }
  
  /*ARGSUSED*/
      static int CALLBACK
  font_enumproc(
      ENUMLOGFONT	    *elf,
      NEWTEXTMETRIC   *ntm,
      int		    type,
      LPARAM	    lparam)
  {
      /* Return value:
       *	  0 = terminate now (monospace & ANSI)
       *	  1 = continue, still no luck...
       *	  2 = continue, but we have an acceptable LOGFONT
       *	      (monospace, not ANSI)
       * We use these values, as EnumFontFamilies returns 1 if the
       * callback function is never called. So, we check the return as
       * 0 = perfect, 2 = OK, 1 = no good...
       * It's not pretty, but it works!
       */
  
      LOGFONT *lf = (LOGFONT *)(lparam);
  
  #ifndef FEAT_PROPORTIONAL_FONTS
      /* Ignore non-monospace fonts without further ado */
      if ((ntm->tmPitchAndFamily & 1) != 0)
  	return 1;
  #endif
  
      /* Remember this LOGFONT as a "possible" */
      *lf = elf->elfLogFont;
  
      /* Terminate the scan as soon as we find an ANSI font */
      if (lf->lfCharSet == ANSI_CHARSET
  	    || lf->lfCharSet == OEM_CHARSET
  	    || lf->lfCharSet == DEFAULT_CHARSET)
  	return 0;
  
      /* Continue the scan - we have a non-ANSI font */
      return 2;
  }
  
      static int
  init_logfont(LOGFONT *lf)
  {
      int		n;
      HWND	hwnd = GetDesktopWindow();
      HDC		hdc = GetWindowDC(hwnd);
  
      n = EnumFontFamilies(hdc,
  			 (LPCSTR)lf->lfFaceName,
  			 (FONTENUMPROC)font_enumproc,
  			 (LPARAM)lf);
  
      ReleaseDC(hwnd, hdc);
  
      /* If we couldn't find a usable font, return failure */
      if (n == 1)
  	return FAIL;
  
      /* Tidy up the rest of the LOGFONT structure. We set to a basic
       * font - get_logfont() sets bold, italic, etc based on the user's
       * input.
       */
      lf->lfHeight = current_font_height;
      lf->lfWidth = 0;
      lf->lfItalic = FALSE;
      lf->lfUnderline = FALSE;
      lf->lfStrikeOut = FALSE;
      lf->lfWeight = FW_NORMAL;
  
      /* Return success */
      return OK;
  }
  
  /*
   * Get font info from "name" into logfont "lf".
   * Return OK for a valid name, FAIL otherwise.
   */
      int
  get_logfont(
      LOGFONT	*lf,
      char_u	*name,
      HDC		printer_dc,
      int		verbose)
  {
      char_u	*p;
      int		i;
      int		ret = FAIL;
      static LOGFONT *lastlf = NULL;
  #ifdef FEAT_MBYTE
      char_u	*acpname = NULL;
  #endif
  
      *lf = s_lfDefault;
      if (name == NULL)
  	return OK;
  
  #ifdef FEAT_MBYTE
      /* Convert 'name' from 'encoding' to the current codepage, because
       * lf->lfFaceName uses the current codepage.
       * TODO: Use Wide APIs instead of ANSI APIs. */
      if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
      {
  	int	len;
  	enc_to_acp(name, (int)strlen(name), &acpname, &len);
  	name = acpname;
      }
  #endif
      if (STRCMP(name, "*") == 0)
      {
  #if defined(FEAT_GUI_W32)
  	CHOOSEFONT	cf;
  	/* if name is "*", bring up std font dialog: */
  	vim_memset(&cf, 0, sizeof(cf));
  	cf.lStructSize = sizeof(cf);
  	cf.hwndOwner = s_hwnd;
  	cf.Flags = CF_SCREENFONTS | CF_FIXEDPITCHONLY | CF_INITTOLOGFONTSTRUCT;
  	if (lastlf != NULL)
  	    *lf = *lastlf;
  	cf.lpLogFont = lf;
  	cf.nFontType = 0 ; //REGULAR_FONTTYPE;
  	if (ChooseFont(&cf))
  	    ret = OK;
  #endif
  	goto theend;
      }
  
      /*
       * Split name up, it could be <name>:h<height>:w<width> etc.
       */
      for (p = name; *p && *p != ':'; p++)
      {
  	if (p - name + 1 > LF_FACESIZE)
  	    goto theend;			/* Name too long */
  	lf->lfFaceName[p - name] = *p;
      }
      if (p != name)
  	lf->lfFaceName[p - name] = NUL;
  
      /* First set defaults */
      lf->lfHeight = -12;
      lf->lfWidth = 0;
      lf->lfWeight = FW_NORMAL;
      lf->lfItalic = FALSE;
      lf->lfUnderline = FALSE;
      lf->lfStrikeOut = FALSE;
  
      /*
       * If the font can't be found, try replacing '_' by ' '.
       */
      if (init_logfont(lf) == FAIL)
      {
  	int	did_replace = FALSE;
  
  	for (i = 0; lf->lfFaceName[i]; ++i)
  	    if (lf->lfFaceName[i] == '_')
  	    {
  		lf->lfFaceName[i] = ' ';
  		did_replace = TRUE;
  	    }
  	if (!did_replace || init_logfont(lf) == FAIL)
  	    goto theend;
      }
  
      while (*p == ':')
  	p++;
  
      /* Set the values found after ':' */
      while (*p)
      {
  	switch (*p++)
  	{
  	    case 'h':
  		lf->lfHeight = - points_to_pixels(p, &p, TRUE, (long_i)printer_dc);
  		break;
  	    case 'w':
  		lf->lfWidth = points_to_pixels(p, &p, FALSE, (long_i)printer_dc);
  		break;
  	    case 'b':
  #ifndef MSWIN16_FASTTEXT
  		lf->lfWeight = FW_BOLD;
  #endif
  		break;
  	    case 'i':
  #ifndef MSWIN16_FASTTEXT
  		lf->lfItalic = TRUE;
  #endif
  		break;
  	    case 'u':
  		lf->lfUnderline = TRUE;
  		break;
  	    case 's':
  		lf->lfStrikeOut = TRUE;
  		break;
  	    case 'c':
  		{
  		    struct charset_pair *cp;
  
  		    for (cp = charset_pairs; cp->name != NULL; ++cp)
  			if (STRNCMP(p, cp->name, strlen(cp->name)) == 0)
  			{
  			    lf->lfCharSet = cp->charset;
  			    p += strlen(cp->name);
  			    break;
  			}
  		    if (cp->name == NULL && verbose)
  		    {
  			vim_snprintf((char *)IObuff, IOSIZE,
  				_("E244: Illegal charset name \"%s\" in font name \"%s\""), p, name);
  			EMSG(IObuff);
  			break;
  		    }
  		    break;
  		}
  	    default:
  		if (verbose)
  		{
  		    vim_snprintf((char *)IObuff, IOSIZE,
  			    _("E245: Illegal char '%c' in font name \"%s\""),
  			    p[-1], name);
  		    EMSG(IObuff);
  		}
  		goto theend;
  	}
  	while (*p == ':')
  	    p++;
      }
      ret = OK;
  
  theend:
      /* ron: init lastlf */
      if (ret == OK && printer_dc == NULL)
      {
  	vim_free(lastlf);
  	lastlf = (LOGFONT *)alloc(sizeof(LOGFONT));
  	if (lastlf != NULL)
  	    mch_memmove(lastlf, lf, sizeof(LOGFONT));
      }
  #ifdef FEAT_MBYTE
      vim_free(acpname);
  #endif
  
      return ret;
  }
  
  #endif /* defined(FEAT_GUI) || defined(FEAT_PRINTER) */
  
  #if defined(FEAT_CHANNEL) || defined(PROTO)
  /*
   * Initialize the Winsock dll.
   */
      void
  channel_init_winsock(void)
  {
      WSADATA wsaData;
      int wsaerr;
  
      if (WSInitialized)
  	return;
  
      wsaerr = WSAStartup(MAKEWORD(2, 2), &wsaData);
      if (wsaerr == 0)
  	WSInitialized = TRUE;
  }
  #endif
  