src/os_mswin.c

   1 /* vi:set ts=8 sts=4 sw=4:
   2  *
   3  * VIM - Vi IMproved    by Bram Moolenaar
   4  *
   5  * Do ":help uganda"  in Vim to read copying and usage conditions.
   6  * Do ":help credits" in Vim to see a list of people who contributed.
   7  * See README.txt for an overview of the Vim source code.
   8  */
   9
  10 /*
  11  * os_mswin.c
  12  *
  13  * Routines common to both Win16 and Win32.
  14  */
  15
  16 #ifdef WIN16
  17 # ifdef __BORLANDC__
  18 #  pragma warn -par
  19 #  pragma warn -ucp
  20 #  pragma warn -use
  21 #  pragma warn -aus
  22 # endif
  23 #endif
  24
  25 #include "vimio.h"
  26 #include "vim.h"
  27
  28 #ifdef WIN16
  29 # define SHORT_FNAME            /* always 8.3 file name */
  30 # include <dos.h>
  31 # include <string.h>
  32 #endif
  33 #include <sys/types.h>
  34 #include <errno.h>
  35 #include <signal.h>
  36 #include <limits.h>
  37 #include <process.h>
  38
  39 #undef chdir
  40 #ifdef __GNUC__
  41 # ifndef __MINGW32__
  42 #  include <dirent.h>
  43 # endif
  44 #else
  45 # include <direct.h>
  46 #endif
  47
  48 #if defined(FEAT_TITLE) && !defined(FEAT_GUI_W32)
  49 # include <shellapi.h>
  50 #endif
  51
  52 #if defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)
  53 # include <dlgs.h>
  54 # ifdef WIN3264
  55 #  include <winspool.h>
  56 # else
  57 #  include <print.h>
  58 # endif
  59 # include <commdlg.h>
  60 #endif
  61
  62 #ifdef __MINGW32__
  63 # ifndef FROM_LEFT_1ST_BUTTON_PRESSED
  64 #  define FROM_LEFT_1ST_BUTTON_PRESSED    0x0001
  65 # endif
  66 # ifndef RIGHTMOST_BUTTON_PRESSED
  67 #  define RIGHTMOST_BUTTON_PRESSED        0x0002
  68 # endif
  69 # ifndef FROM_LEFT_2ND_BUTTON_PRESSED
  70 #  define FROM_LEFT_2ND_BUTTON_PRESSED    0x0004
  71 # endif
  72 # ifndef FROM_LEFT_3RD_BUTTON_PRESSED
  73 #  define FROM_LEFT_3RD_BUTTON_PRESSED    0x0008
  74 # endif
  75 # ifndef FROM_LEFT_4TH_BUTTON_PRESSED
  76 #  define FROM_LEFT_4TH_BUTTON_PRESSED    0x0010
  77 # endif
  78
  79 /*
  80  * EventFlags
  81  */
  82 # ifndef MOUSE_MOVED
  83 #  define MOUSE_MOVED   0x0001
  84 # endif
  85 # ifndef DOUBLE_CLICK
  86 #  define DOUBLE_CLICK  0x0002
  87 # endif
  88 #endif
  89
  90 /*
  91  * When generating prototypes for Win32 on Unix, these lines make the syntax
  92  * errors disappear.  They do not need to be correct.
  93  */
  94 #ifdef PROTO
  95 #define WINAPI
  96 #define WINBASEAPI
  97 typedef int BOOL;
  98 typedef int CALLBACK;
  99 typedef int COLORREF;
 100 typedef int CONSOLE_CURSOR_INFO;
 101 typedef int COORD;
 102 typedef int DWORD;
 103 typedef int ENUMLOGFONT;
 104 typedef int HANDLE;
 105 typedef int HDC;
 106 typedef int HFONT;
 107 typedef int HICON;
 108 typedef int HWND;
 109 typedef int INPUT_RECORD;
 110 typedef int KEY_EVENT_RECORD;
 111 typedef int LOGFONT;
 112 typedef int LPARAM;
 113 typedef int LPBOOL;
 114 typedef int LPCSTR;
 115 typedef int LPCWSTR;
 116 typedef int LPSTR;
 117 typedef int LPTSTR;
 118 typedef int LPWSTR;
 119 typedef int LRESULT;
 120 typedef int MOUSE_EVENT_RECORD;
 121 typedef int NEWTEXTMETRIC;
 122 typedef int PACL;
 123 typedef int PRINTDLG;
 124 typedef int PSECURITY_DESCRIPTOR;
 125 typedef int PSID;
 126 typedef int SECURITY_INFORMATION;
 127 typedef int SHORT;
 128 typedef int SMALL_RECT;
 129 typedef int TEXTMETRIC;
 130 typedef int UINT;
 131 typedef int WCHAR;
 132 typedef int WORD;
 133 typedef int WPARAM;
 134 typedef void VOID;
 135 #endif
 136
 137 /* Record all output and all keyboard & mouse input */
 138 /* #define MCH_WRITE_DUMP */
 139
 140 #ifdef MCH_WRITE_DUMP
 141 FILE* fdDump = NULL;
 142 #endif
 143
 144 #ifdef WIN3264
 145 extern DWORD g_PlatformId;
 146 #endif
 147
 148 #ifndef FEAT_GUI_MSWIN
 149 extern char g_szOrigTitle[];
 150 #endif
 151
 152 #ifdef FEAT_GUI
 153 extern HWND s_hwnd;
 154 #else
 155 static HWND s_hwnd = 0;     /* console window handle, set by GetConsoleHwnd() */
 156 #endif
 157
 158 extern int WSInitialized;
 159
 160 /* Don't generate prototypes here, because some systems do have these
 161  * functions. */
 162 #if defined(__GNUC__) && !defined(PROTO)
 163 # ifndef __MINGW32__
 164 int _stricoll(char *a, char *b)
 165 {
 166     // the ANSI-ish correct way is to use strxfrm():
 167     char a_buff[512], b_buff[512];  // file names, so this is enough on Win32
 168     strxfrm(a_buff, a, 512);
 169     strxfrm(b_buff, b, 512);
 170     return strcoll(a_buff, b_buff);
 171 }
 172
 173 char * _fullpath(char *buf, char *fname, int len)
 174 {
 175     LPTSTR toss;
 176
 177     return (char *)GetFullPathName(fname, len, buf, &toss);
 178 }
 179 # endif
 180
 181 int _chdrive(int drive)
 182 {
 183     char temp [3] = "-:";
 184     temp[0] = drive + 'A' - 1;
 185     return !SetCurrentDirectory(temp);
 186 }
 187 #else
 188 # ifdef __BORLANDC__
 189 /* being a more ANSI compliant compiler, BorlandC doesn't define _stricoll:
 190  * but it does in BC 5.02! */
 191 #  if __BORLANDC__ < 0x502
 192 int _stricoll(char *a, char *b)
 193 {
 194 #   if 1
 195     // this is fast but not correct:
 196     return stricmp(a, b);
 197 #   else
 198     // the ANSI-ish correct way is to use strxfrm():
 199     char a_buff[512], b_buff[512];  // file names, so this is enough on Win32
 200     strxfrm(a_buff, a, 512);
 201     strxfrm(b_buff, b, 512);
 202     return strcoll(a_buff, b_buff);
 203 #   endif
 204 }
 205 #  endif
 206 # endif
 207 #endif
 208
 209
 210 #if defined(FEAT_GUI_MSWIN) || defined(PROTO)
 211 /*
 212  * GUI version of mch_exit().
 213  * Shut down and exit with status `r'
 214  * Careful: mch_exit() may be called before mch_init()!
 215  */
 216     void
 217 mch_exit(int r)
 218 {
 219     display_errors();
 220
 221     ml_close_all(TRUE);         /* remove all memfiles */
 222
 223 # ifdef FEAT_OLE
 224     UninitOLE();
 225 # endif
 226 # ifdef FEAT_NETBEANS_INTG
 227     if (WSInitialized)
 228     {
 229         WSInitialized = FALSE;
 230         WSACleanup();
 231     }
 232 # endif
 233 #ifdef DYNAMIC_GETTEXT
 234     dyn_libintl_end();
 235 #endif
 236
 237     if (gui.in_use)
 238         gui_exit(r);
 239
 240 #ifdef EXITFREE
 241     free_all_mem();
 242 #endif
 243
 244     exit(r);
 245 }
 246
 247 #endif /* FEAT_GUI_MSWIN */
 248
 249
 250 /*
 251  * Init the tables for toupper() and tolower().
 252  */
 253     void
 254 mch_early_init(void)
 255 {
 256     int         i;
 257
 258 #ifdef WIN3264
 259     PlatformId();
 260 #endif
 261
 262     /* Init the tables for toupper() and tolower() */
 263     for (i = 0; i < 256; ++i)
 264         toupper_tab[i] = tolower_tab[i] = i;
 265 #ifdef WIN3264
 266     CharUpperBuff(toupper_tab, 256);
 267     CharLowerBuff(tolower_tab, 256);
 268 #else
 269     AnsiUpperBuff(toupper_tab, 256);
 270     AnsiLowerBuff(tolower_tab, 256);
 271 #endif
 272
 273 #if defined(FEAT_MBYTE) && !defined(FEAT_GUI)
 274     (void)get_cmd_argsW(NULL);
 275 #endif
 276 }
 277
 278
 279 /*
 280  * Return TRUE if the input comes from a terminal, FALSE otherwise.
 281  */
 282     int
 283 mch_input_isatty()
 284 {
 285 #ifdef FEAT_GUI_MSWIN
 286     return OK;      /* GUI always has a tty */
 287 #else
 288     if (isatty(read_cmd_fd))
 289         return TRUE;
 290     return FALSE;
 291 #endif
 292 }
 293
 294 #ifdef FEAT_TITLE
 295 /*
 296  * mch_settitle(): set titlebar of our window
 297  */
 298     void
 299 mch_settitle(
 300     char_u *title,
 301     char_u *icon)
 302 {
 303 # ifdef FEAT_GUI_MSWIN
 304     gui_mch_settitle(title, icon);
 305 # else
 306     if (title != NULL)
 307     {
 308 #  ifdef FEAT_MBYTE
 309         if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
 310         {
 311             /* Convert the title from 'encoding' to the active codepage. */
 312             WCHAR       *wp = enc_to_utf16(title, NULL);
 313             int n;
 314
 315             if (wp != NULL)
 316             {
 317                 n = SetConsoleTitleW(wp);
 318                 vim_free(wp);
 319                 if (n != 0 || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 320                     return;
 321             }
 322         }
 323 #  endif
 324         SetConsoleTitle(title);
 325     }
 326 # endif
 327 }
 328
 329
 330 /*
 331  * Restore the window/icon title.
 332  * which is one of:
 333  *  1: Just restore title
 334  *  2: Just restore icon (which we don't have)
 335  *  3: Restore title and icon (which we don't have)
 336  */
 337 /*ARGSUSED*/
 338     void
 339 mch_restore_title(
 340     int which)
 341 {
 342 #ifndef FEAT_GUI_MSWIN
 343     mch_settitle((which & 1) ? g_szOrigTitle : NULL, NULL);
 344 #endif
 345 }
 346
 347
 348 /*
 349  * Return TRUE if we can restore the title (we can)
 350  */
 351     int
 352 mch_can_restore_title()
 353 {
 354     return TRUE;
 355 }
 356
 357
 358 /*
 359  * Return TRUE if we can restore the icon title (we can't)
 360  */
 361     int
 362 mch_can_restore_icon()
 363 {
 364     return FALSE;
 365 }
 366 #endif /* FEAT_TITLE */
 367
 368
 369 /*
 370  * Get absolute file name into buffer "buf" of length "len" bytes,
 371  * turning all '/'s into '\\'s and getting the correct case of each component
 372  * of the file name.  Append a (back)slash to a directory name.
 373  * When 'shellslash' set do it the other way around.
 374  * Return OK or FAIL.
 375  */
 376 /*ARGSUSED*/
 377     int
 378 mch_FullName(
 379     char_u      *fname,
 380     char_u      *buf,
 381     int         len,
 382     int         force)
 383 {
 384     int         nResult = FAIL;
 385
 386 #ifdef __BORLANDC__
 387     if (*fname == NUL) /* Borland behaves badly here - make it consistent */
 388         nResult = mch_dirname(buf, len);
 389     else
 390 #endif
 391     {
 392 #ifdef FEAT_MBYTE
 393         if (enc_codepage >= 0 && (int)GetACP() != enc_codepage
 394 # ifdef __BORLANDC__
 395                 /* Wide functions of Borland C 5.5 do not work on Windows 98. */
 396                 && g_PlatformId == VER_PLATFORM_WIN32_NT
 397 # endif
 398            )
 399         {
 400             WCHAR       *wname;
 401             WCHAR       wbuf[MAX_PATH];
 402             char_u      *cname = NULL;
 403
 404             /* Use the wide function:
 405              * - convert the fname from 'encoding' to UCS2.
 406              * - invoke _wfullpath()
 407              * - convert the result from UCS2 to 'encoding'.
 408              */
 409             wname = enc_to_utf16(fname, NULL);
 410             if (wname != NULL && _wfullpath(wbuf, wname, MAX_PATH - 1) != NULL)
 411             {
 412                 cname = utf16_to_enc((short_u *)wbuf, NULL);
 413                 if (cname != NULL)
 414                 {
 415                     vim_strncpy(buf, cname, len - 1);
 416                     nResult = OK;
 417                 }
 418             }
 419             vim_free(wname);
 420             vim_free(cname);
 421         }
 422         if (nResult == FAIL)        /* fall back to non-wide function */
 423 #endif
 424         {
 425             if (_fullpath(buf, fname, len - 1) == NULL)
 426             {
 427                 /* failed, use relative path name */
 428                 vim_strncpy(buf, fname, len - 1);
 429             }
 430             else
 431                 nResult = OK;
 432         }
 433     }
 434
 435 #ifdef USE_FNAME_CASE
 436     fname_case(buf, len);
 437 #else
 438     slash_adjust(buf);
 439 #endif
 440
 441     return nResult;
 442 }
 443
 444
 445 /*
 446  * Return TRUE if "fname" does not depend on the current directory.
 447  */
 448     int
 449 mch_isFullName(char_u *fname)
 450 {
 451     char szName[_MAX_PATH + 1];
 452
 453     /* A name like "d:/foo" and "//server/share" is absolute */
 454     if ((fname[0] && fname[1] == ':' && (fname[2] == '/' || fname[2] == '\\'))
 455             || (fname[0] == fname[1] && (fname[0] == '/' || fname[0] == '\\')))
 456         return TRUE;
 457
 458     /* A name that can't be made absolute probably isn't absolute. */
 459     if (mch_FullName(fname, szName, _MAX_PATH, FALSE) == FAIL)
 460         return FALSE;
 461
 462     return pathcmp(fname, szName, -1) == 0;
 463 }
 464
 465 /*
 466  * Replace all slashes by backslashes.
 467  * This used to be the other way around, but MS-DOS sometimes has problems
 468  * with slashes (e.g. in a command name).  We can't have mixed slashes and
 469  * backslashes, because comparing file names will not work correctly.  The
 470  * commands that use a file name should try to avoid the need to type a
 471  * backslash twice.
 472  * When 'shellslash' set do it the other way around.
 473  */
 474     void
 475 slash_adjust(p)
 476     char_u  *p;
 477 {
 478     while (*p)
 479     {
 480         if (*p == psepcN)
 481             *p = psepc;
 482         mb_ptr_adv(p);
 483     }
 484 }
 485
 486
 487 /*
 488  * stat() can't handle a trailing '/' or '\', remove it first.
 489  */
 490     int
 491 vim_stat(const char *name, struct stat *stp)
 492 {
 493     char        buf[_MAX_PATH + 1];
 494     char        *p;
 495
 496     vim_strncpy((char_u *)buf, (char_u *)name, _MAX_PATH);
 497     p = buf + strlen(buf);
 498     if (p > buf)
 499         mb_ptr_back(buf, p);
 500     if (p > buf && (*p == '\\' || *p == '/') && p[-1] != ':')
 501         *p = NUL;
 502 #ifdef FEAT_MBYTE
 503     if (enc_codepage >= 0 && (int)GetACP() != enc_codepage
 504 # ifdef __BORLANDC__
 505             /* Wide functions of Borland C 5.5 do not work on Windows 98. */
 506             && g_PlatformId == VER_PLATFORM_WIN32_NT
 507 # endif
 508        )
 509     {
 510         WCHAR   *wp = enc_to_utf16(buf, NULL);
 511         int     n;
 512
 513         if (wp != NULL)
 514         {
 515             n = _wstat(wp, (struct _stat *)stp);
 516             vim_free(wp);
 517             if (n >= 0)
 518                 return n;
 519             /* Retry with non-wide function (for Windows 98). Can't use
 520              * GetLastError() here and it's unclear what errno gets set to if
 521              * the _wstat() fails for missing wide functions. */
 522         }
 523     }
 524 #endif
 525     return stat(buf, stp);
 526 }
 527
 528 #if defined(FEAT_GUI_MSWIN) || defined(PROTO)
 529 /*ARGSUSED*/
 530     void
 531 mch_settmode(int tmode)
 532 {
 533     /* nothing to do */
 534 }
 535
 536     int
 537 mch_get_shellsize(void)
 538 {
 539     /* never used */
 540     return OK;
 541 }
 542
 543     void
 544 mch_set_shellsize(void)
 545 {
 546     /* never used */
 547 }
 548
 549 /*
 550  * Rows and/or Columns has changed.
 551  */
 552     void
 553 mch_new_shellsize(void)
 554 {
 555     /* never used */
 556 }
 557
 558 #endif
 559
 560 /*
 561  * We have no job control, so fake it by starting a new shell.
 562  */
 563     void
 564 mch_suspend()
 565 {
 566     suspend_shell();
 567 }
 568
 569 #if defined(USE_MCH_ERRMSG) || defined(PROTO)
 570
 571 #ifdef display_errors
 572 # undef display_errors
 573 #endif
 574
 575 /*
 576  * Display the saved error message(s).
 577  */
 578     void
 579 display_errors()
 580 {
 581     char *p;
 582
 583     if (error_ga.ga_data != NULL)
 584     {
 585         /* avoid putting up a message box with blanks only */
 586         for (p = (char *)error_ga.ga_data; *p; ++p)
 587             if (!isspace(*p))
 588             {
 589                 (void)gui_mch_dialog(
 590 #ifdef FEAT_GUI
 591                                      gui.starting ? VIM_INFO :
 592 #endif
 593                                              VIM_ERROR,
 594 #ifdef FEAT_GUI
 595                                      gui.starting ? (char_u *)_("Message") :
 596 #endif
 597                                              (char_u *)_("Error"),
 598                                      p, (char_u *)_("&Ok"), 1, NULL);
 599                 break;
 600             }
 601         ga_clear(&error_ga);
 602     }
 603 }
 604 #endif
 605
 606
 607 /*
 608  * Return TRUE if "p" contain a wildcard that can be expanded by
 609  * dos_expandpath().
 610  */
 611     int
 612 mch_has_exp_wildcard(char_u *p)
 613 {
 614     for ( ; *p; mb_ptr_adv(p))
 615     {
 616         if (vim_strchr((char_u *)"?*[", *p) != NULL
 617                 || (*p == '~' && p[1] != NUL))
 618             return TRUE;
 619     }
 620     return FALSE;
 621 }
 622
 623 /*
 624  * Return TRUE if "p" contain a wildcard or a "~1" kind of thing (could be a
 625  * shortened file name).
 626  */
 627     int
 628 mch_has_wildcard(char_u *p)
 629 {
 630     for ( ; *p; mb_ptr_adv(p))
 631     {
 632         if (vim_strchr((char_u *)
 633 #  ifdef VIM_BACKTICK
 634                                     "?*$[`"
 635 #  else
 636                                     "?*$["
 637 #  endif
 638                                                 , *p) != NULL
 639                 || (*p == '~' && p[1] != NUL))
 640             return TRUE;
 641     }
 642     return FALSE;
 643 }
 644
 645
 646 /*
 647  * The normal _chdir() does not change the default drive.  This one does.
 648  * Returning 0 implies success; -1 implies failure.
 649  */
 650     int
 651 mch_chdir(char *path)
 652 {
 653     if (path[0] == NUL)         /* just checking... */
 654         return -1;
 655
 656     if (p_verbose >= 5)
 657     {
 658         verbose_enter();
 659         smsg((char_u *)"chdir(%s)", path);
 660         verbose_leave();
 661     }
 662     if (isalpha(path[0]) && path[1] == ':')     /* has a drive name */
 663     {
 664         /* If we can change to the drive, skip that part of the path.  If we
 665          * can't then the current directory may be invalid, try using chdir()
 666          * with the whole path. */
 667         if (_chdrive(TOLOWER_ASC(path[0]) - 'a' + 1) == 0)
 668             path += 2;
 669     }
 670
 671     if (*path == NUL)           /* drive name only */
 672         return 0;
 673
 674 #ifdef FEAT_MBYTE
 675     if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
 676     {
 677         WCHAR   *p = enc_to_utf16(path, NULL);
 678         int     n;
 679
 680         if (p != NULL)
 681         {
 682             n = _wchdir(p);
 683             vim_free(p);
 684             if (n == 0)
 685                 return 0;
 686             /* Retry with non-wide function (for Windows 98). */
 687         }
 688     }
 689 #endif
 690
 691     return chdir(path);        /* let the normal chdir() do the rest */
 692 }
 693
 694
 695 /*
 696  * Switching off termcap mode is only allowed when Columns is 80, otherwise a
 697  * crash may result.  It's always allowed on NT or when running the GUI.
 698  */
 699 /*ARGSUSED*/
 700     int
 701 can_end_termcap_mode(
 702     int give_msg)
 703 {
 704 #ifdef FEAT_GUI_MSWIN
 705     return TRUE;        /* GUI starts a new console anyway */
 706 #else
 707     if (g_PlatformId == VER_PLATFORM_WIN32_NT || Columns == 80)
 708         return TRUE;
 709     if (give_msg)
 710         msg(_("'columns' is not 80, cannot execute external commands"));
 711     return FALSE;
 712 #endif
 713 }
 714
 715 #ifdef FEAT_GUI_MSWIN
 716 /*
 717  * return non-zero if a character is available
 718  */
 719     int
 720 mch_char_avail()
 721 {
 722     /* never used */
 723     return TRUE;
 724 }
 725 #endif
 726
 727
 728 /*
 729  * set screen mode, always fails.
 730  */
 731 /*ARGSUSED*/
 732     int
 733 mch_screenmode(
 734     char_u *arg)
 735 {
 736     EMSG(_(e_screenmode));
 737     return FAIL;
 738 }
 739
 740
 741 #if defined(FEAT_LIBCALL) || defined(PROTO)
 742 /*
 743  * Call a DLL routine which takes either a string or int param
 744  * and returns an allocated string.
 745  * Return OK if it worked, FAIL if not.
 746  */
 747 # ifdef WIN3264
 748 typedef LPTSTR (*MYSTRPROCSTR)(LPTSTR);
 749 typedef LPTSTR (*MYINTPROCSTR)(int);
 750 typedef int (*MYSTRPROCINT)(LPTSTR);
 751 typedef int (*MYINTPROCINT)(int);
 752 # else
 753 typedef LPSTR (*MYSTRPROCSTR)(LPSTR);
 754 typedef LPSTR (*MYINTPROCSTR)(int);
 755 typedef int (*MYSTRPROCINT)(LPSTR);
 756 typedef int (*MYINTPROCINT)(int);
 757 # endif
 758
 759 # ifndef WIN16
 760 /*
 761  * Check if a pointer points to a valid NUL terminated string.
 762  * Return the length of the string, including terminating NUL.
 763  * Returns 0 for an invalid pointer, 1 for an empty string.
 764  */
 765     static size_t
 766 check_str_len(char_u *str)
 767 {
 768     SYSTEM_INFO                 si;
 769     MEMORY_BASIC_INFORMATION    mbi;
 770     size_t                      length = 0;
 771     size_t                      i;
 772     const char                  *p;
 773
 774     /* get page size */
 775     GetSystemInfo(&si);
 776
 777     /* get memory information */
 778     if (VirtualQuery(str, &mbi, sizeof(mbi)))
 779     {
 780         /* pre cast these (typing savers) */
 781         long_u dwStr = (long_u)str;
 782         long_u dwBaseAddress = (long_u)mbi.BaseAddress;
 783
 784         /* get start address of page that str is on */
 785         long_u strPage = dwStr - (dwStr - dwBaseAddress) % si.dwPageSize;
 786
 787         /* get length from str to end of page */
 788         long_u pageLength = si.dwPageSize - (dwStr - strPage);
 789
 790         for (p = str; !IsBadReadPtr(p, pageLength);
 791                                   p += pageLength, pageLength = si.dwPageSize)
 792             for (i = 0; i < pageLength; ++i, ++length)
 793                 if (p[i] == NUL)
 794                     return length + 1;
 795     }
 796
 797     return 0;
 798 }
 799 # endif
 800
 801     int
 802 mch_libcall(
 803     char_u      *libname,
 804     char_u      *funcname,
 805     char_u      *argstring,     /* NULL when using a argint */
 806     int         argint,
 807     char_u      **string_result,/* NULL when using number_result */
 808     int         *number_result)
 809 {
 810     HINSTANCE           hinstLib;
 811     MYSTRPROCSTR        ProcAdd;
 812     MYINTPROCSTR        ProcAddI;
 813     char_u              *retval_str = NULL;
 814     int                 retval_int = 0;
 815     size_t              len;
 816
 817     BOOL fRunTimeLinkSuccess = FALSE;
 818
 819     // Get a handle to the DLL module.
 820     hinstLib = LoadLibrary(libname);
 821
 822     // If the handle is valid, try to get the function address.
 823     if (hinstLib != NULL)
 824     {
 825 #ifdef HAVE_TRY_EXCEPT
 826         __try
 827         {
 828 #endif
 829         if (argstring != NULL)
 830         {
 831             /* Call with string argument */
 832             ProcAdd = (MYSTRPROCSTR) GetProcAddress(hinstLib, funcname);
 833             if ((fRunTimeLinkSuccess = (ProcAdd != NULL)) != 0)
 834             {
 835                 if (string_result == NULL)
 836                     retval_int = ((MYSTRPROCINT)ProcAdd)(argstring);
 837                 else
 838                     retval_str = (ProcAdd)(argstring);
 839             }
 840         }
 841         else
 842         {
 843             /* Call with number argument */
 844             ProcAddI = (MYINTPROCSTR) GetProcAddress(hinstLib, funcname);
 845             if ((fRunTimeLinkSuccess = (ProcAddI != NULL)) != 0)
 846             {
 847                 if (string_result == NULL)
 848                     retval_int = ((MYINTPROCINT)ProcAddI)(argint);
 849                 else
 850                     retval_str = (ProcAddI)(argint);
 851             }
 852         }
 853
 854         // Save the string before we free the library.
 855         // Assume that a "1" result is an illegal pointer.
 856         if (string_result == NULL)
 857             *number_result = retval_int;
 858         else if (retval_str != NULL
 859 # ifdef WIN16
 860                 && retval_str != (char_u *)1
 861                 && retval_str != (char_u *)-1
 862                 && !IsBadStringPtr(retval_str, INT_MAX)
 863                 && (len = strlen(retval_str) + 1) > 0
 864 # else
 865                 && (len = check_str_len(retval_str)) > 0
 866 # endif
 867                 )
 868         {
 869             *string_result = lalloc((long_u)len, TRUE);
 870             if (*string_result != NULL)
 871                 mch_memmove(*string_result, retval_str, len);
 872         }
 873
 874 #ifdef HAVE_TRY_EXCEPT
 875         }
 876         __except(EXCEPTION_EXECUTE_HANDLER)
 877         {
 878             if (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW)
 879                 RESETSTKOFLW();
 880             fRunTimeLinkSuccess = 0;
 881         }
 882 #endif
 883
 884         // Free the DLL module.
 885         (void)FreeLibrary(hinstLib);
 886     }
 887
 888     if (!fRunTimeLinkSuccess)
 889     {
 890         EMSG2(_(e_libcall), funcname);
 891         return FAIL;
 892     }
 893
 894     return OK;
 895 }
 896 #endif
 897
 898 #if defined(FEAT_MBYTE) || defined(PROTO)
 899 /*
 900  * Convert an UTF-8 string to UTF-16.
 901  * "instr[inlen]" is the input.  "inlen" is in bytes.
 902  * When "outstr" is NULL only return the number of UTF-16 words produced.
 903  * Otherwise "outstr" must be a buffer of sufficient size.
 904  * Returns the number of UTF-16 words produced.
 905  */
 906     int
 907 utf8_to_utf16(char_u *instr, int inlen, short_u *outstr, int *unconvlenp)
 908 {
 909     int         outlen = 0;
 910     char_u      *p = instr;
 911     int         todo = inlen;
 912     int         l;
 913     int         ch;
 914
 915     while (todo > 0)
 916     {
 917         /* Only convert if we have a complete sequence. */
 918         l = utf_ptr2len_len(p, todo);
 919         if (l > todo)
 920         {
 921             /* Return length of incomplete sequence. */
 922             if (unconvlenp != NULL)
 923                 *unconvlenp = todo;
 924             break;
 925         }
 926
 927         ch = utf_ptr2char(p);
 928         if (ch >= 0x10000)
 929         {
 930             /* non-BMP character, encoding with surrogate pairs */
 931             ++outlen;
 932             if (outstr != NULL)
 933             {
 934                 *outstr++ = (0xD800 - (0x10000 >> 10)) + (ch >> 10);
 935                 *outstr++ = 0xDC00 | (ch & 0x3FF);
 936             }
 937         }
 938         else if (outstr != NULL)
 939             *outstr++ = ch;
 940         ++outlen;
 941         p += l;
 942         todo -= l;
 943     }
 944
 945     return outlen;
 946 }
 947
 948 /*
 949  * Convert an UTF-16 string to UTF-8.
 950  * The input is "instr[inlen]" with "inlen" in number of UTF-16 words.
 951  * When "outstr" is NULL only return the required number of bytes.
 952  * Otherwise "outstr" must be a buffer of sufficient size.
 953  * Return the number of bytes produced.
 954  */
 955     int
 956 utf16_to_utf8(short_u *instr, int inlen, char_u *outstr)
 957 {
 958     int         outlen = 0;
 959     int         todo = inlen;
 960     short_u     *p = instr;
 961     int         l;
 962     int         ch, ch2;
 963
 964     while (todo > 0)
 965     {
 966         ch = *p;
 967         if (ch >= 0xD800 && ch <= 0xDBFF && todo > 1)
 968         {
 969             /* surrogate pairs handling */
 970             ch2 = p[1];
 971             if (ch2 >= 0xDC00 && ch2 <= 0xDFFF)
 972             {
 973                 ch = ((ch - 0xD800) << 10) + (ch2 & 0x3FF) + 0x10000;
 974                 ++p;
 975                 --todo;
 976             }
 977         }
 978         if (outstr != NULL)
 979         {
 980             l = utf_char2bytes(ch, outstr);
 981             outstr += l;
 982         }
 983         else
 984             l = utf_char2len(ch);
 985         ++p;
 986         outlen += l;
 987         --todo;
 988     }
 989
 990     return outlen;
 991 }
 992
 993 /*
 994  * Call MultiByteToWideChar() and allocate memory for the result.
 995  * Returns the result in "*out[*outlen]" with an extra zero appended.
 996  * "outlen" is in words.
 997  */
 998     void
 999 MultiByteToWideChar_alloc(UINT cp, DWORD flags,
1000         LPCSTR in, int inlen,
1001         LPWSTR *out, int *outlen)
1002 {
1003     *outlen = MultiByteToWideChar(cp, flags, in, inlen, 0, 0);
1004     /* Add one one word to avoid a zero-length alloc(). */
1005     *out = (LPWSTR)alloc(sizeof(WCHAR) * (*outlen + 1));
1006     if (*out != NULL)
1007     {
1008         MultiByteToWideChar(cp, flags, in, inlen, *out, *outlen);
1009         (*out)[*outlen] = 0;
1010     }
1011 }
1012
1013 /*
1014  * Call WideCharToMultiByte() and allocate memory for the result.
1015  * Returns the result in "*out[*outlen]" with an extra NUL appended.
1016  */
1017     void
1018 WideCharToMultiByte_alloc(UINT cp, DWORD flags,
1019         LPCWSTR in, int inlen,
1020         LPSTR *out, int *outlen,
1021         LPCSTR def, LPBOOL useddef)
1022 {
1023     *outlen = WideCharToMultiByte(cp, flags, in, inlen, NULL, 0, def, useddef);
1024     /* Add one one byte to avoid a zero-length alloc(). */
1025     *out = alloc((unsigned)*outlen + 1);
1026     if (*out != NULL)
1027     {
1028         WideCharToMultiByte(cp, flags, in, inlen, *out, *outlen, def, useddef);
1029         (*out)[*outlen] = 0;
1030     }
1031 }
1032
1033 #endif /* FEAT_MBYTE */
1034
1035 #ifdef FEAT_CLIPBOARD
1036 /*
1037  * Clipboard stuff, for cutting and pasting text to other windows.
1038  */
1039
1040 /* Type used for the clipboard type of Vim's data. */
1041 typedef struct
1042 {
1043     int type;           /* MCHAR, MBLOCK or MLINE */
1044     int txtlen;         /* length of CF_TEXT in bytes */
1045     int ucslen;         /* length of CF_UNICODETEXT in words */
1046     int rawlen;         /* length of clip_star.format_raw, including encoding,
1047                            excluding terminating NUL */
1048 } VimClipType_t;
1049
1050 /*
1051  * Make vim the owner of the current selection.  Return OK upon success.
1052  */
1053 /*ARGSUSED*/
1054     int
1055 clip_mch_own_selection(VimClipboard *cbd)
1056 {
1057     /*
1058      * Never actually own the clipboard.  If another application sets the
1059      * clipboard, we don't want to think that we still own it.
1060      */
1061     return FAIL;
1062 }
1063
1064 /*
1065  * Make vim NOT the owner of the current selection.
1066  */
1067 /*ARGSUSED*/
1068     void
1069 clip_mch_lose_selection(VimClipboard *cbd)
1070 {
1071     /* Nothing needs to be done here */
1072 }
1073
1074 /*
1075  * Copy "str[*size]" into allocated memory, changing CR-NL to NL.
1076  * Return the allocated result and the size in "*size".
1077  * Returns NULL when out of memory.
1078  */
1079     static char_u *
1080 crnl_to_nl(const char_u *str, int *size)
1081 {
1082     int         pos = 0;
1083     int         str_len = *size;
1084     char_u      *ret;
1085     char_u      *retp;
1086
1087     /* Avoid allocating zero bytes, it generates an error message. */
1088     ret = lalloc((long_u)(str_len == 0 ? 1 : str_len), TRUE);
1089     if (ret != NULL)
1090     {
1091         retp = ret;
1092         for (pos = 0; pos < str_len; ++pos)
1093         {
1094             if (str[pos] == '\r' && str[pos + 1] == '\n')
1095             {
1096                 ++pos;
1097                 --(*size);
1098             }
1099             *retp++ = str[pos];
1100         }
1101     }
1102
1103     return ret;
1104 }
1105
1106 #if defined(FEAT_MBYTE) || defined(PROTO)
1107 /*
1108  * Note: the following two functions are only guaranteed to work when using
1109  * valid MS-Windows codepages or when iconv() is available.
1110  */
1111
1112 /*
1113  * Convert "str" from 'encoding' to UTF-16.
1114  * Input in "str" with length "*lenp".  When "lenp" is NULL, use strlen().
1115  * Output is returned as an allocated string.  "*lenp" is set to the length of
1116  * the result.  A trailing NUL is always added.
1117  * Returns NULL when out of memory.
1118  */
1119     short_u *
1120 enc_to_utf16(char_u *str, int *lenp)
1121 {
1122     vimconv_T   conv;
1123     WCHAR       *ret;
1124     char_u      *allocbuf = NULL;
1125     int         len_loc;
1126     int         length;
1127
1128     if (lenp == NULL)
1129     {
1130         len_loc = (int)STRLEN(str) + 1;
1131         lenp = &len_loc;
1132     }
1133
1134     if (enc_codepage > 0)
1135     {
1136         /* We can do any CP### -> UTF-16 in one pass, and we can do it
1137          * without iconv() (convert_* may need iconv). */
1138         MultiByteToWideChar_alloc(enc_codepage, 0, str, *lenp, &ret, &length);
1139     }
1140     else
1141     {
1142         /* Use "latin1" by default, we might be called before we have p_enc
1143          * set up.  Convert to utf-8 first, works better with iconv().  Does
1144          * nothing if 'encoding' is "utf-8". */
1145         conv.vc_type = CONV_NONE;
1146         if (convert_setup(&conv, p_enc ? p_enc : (char_u *)"latin1",
1147                                                    (char_u *)"utf-8") == FAIL)
1148             return NULL;
1149         if (conv.vc_type != CONV_NONE)
1150         {
1151             str = allocbuf = string_convert(&conv, str, lenp);
1152             if (str == NULL)
1153                 return NULL;
1154         }
1155         convert_setup(&conv, NULL, NULL);
1156
1157         length = utf8_to_utf16(str, *lenp, NULL, NULL);
1158         ret = (WCHAR *)alloc((unsigned)((length + 1) * sizeof(WCHAR)));
1159         if (ret != NULL)
1160         {
1161             utf8_to_utf16(str, *lenp, (short_u *)ret, NULL);
1162             ret[length] = 0;
1163         }
1164
1165         vim_free(allocbuf);
1166     }
1167
1168     *lenp = length;
1169     return (short_u *)ret;
1170 }
1171
1172 /*
1173  * Convert an UTF-16 string to 'encoding'.
1174  * Input in "str" with length (counted in wide characters) "*lenp".  When
1175  * "lenp" is NULL, use wcslen().
1176  * Output is returned as an allocated string.  If "*lenp" is not NULL it is
1177  * set to the length of the result.
1178  * Returns NULL when out of memory.
1179  */
1180     char_u *
1181 utf16_to_enc(short_u *str, int *lenp)
1182 {
1183     vimconv_T   conv;
1184     char_u      *utf8_str = NULL, *enc_str = NULL;
1185     int         len_loc;
1186
1187     if (lenp == NULL)
1188     {
1189         len_loc = (int)wcslen(str) + 1;
1190         lenp = &len_loc;
1191     }
1192
1193     if (enc_codepage > 0)
1194     {
1195         /* We can do any UTF-16 -> CP### in one pass. */
1196         int length;
1197
1198         WideCharToMultiByte_alloc(enc_codepage, 0, str, *lenp,
1199                                             (LPSTR *)&enc_str, &length, 0, 0);
1200         *lenp = length;
1201         return enc_str;
1202     }
1203
1204     /* Avoid allocating zero bytes, it generates an error message. */
1205     utf8_str = alloc(utf16_to_utf8(str, *lenp == 0 ? 1 : *lenp, NULL));
1206     if (utf8_str != NULL)
1207     {
1208         *lenp = utf16_to_utf8(str, *lenp, utf8_str);
1209
1210         /* We might be called before we have p_enc set up. */
1211         conv.vc_type = CONV_NONE;
1212         convert_setup(&conv, (char_u *)"utf-8",
1213                                             p_enc? p_enc: (char_u *)"latin1");
1214         if (conv.vc_type == CONV_NONE)
1215         {
1216             /* p_enc is utf-8, so we're done. */
1217             enc_str = utf8_str;
1218         }
1219         else
1220         {
1221             enc_str = string_convert(&conv, utf8_str, lenp);
1222             vim_free(utf8_str);
1223         }
1224
1225         convert_setup(&conv, NULL, NULL);
1226     }
1227
1228     return enc_str;
1229 }
1230 #endif /* FEAT_MBYTE */
1231
1232 /*
1233  * Wait for another process to Close the Clipboard.
1234  * Returns TRUE for success.
1235  */
1236     static int
1237 vim_open_clipboard(void)
1238 {
1239     int delay = 10;
1240
1241     while (!OpenClipboard(NULL))
1242     {
1243         if (delay > 500)
1244             return FALSE;  /* waited too long, give up */
1245         Sleep(delay);
1246         delay *= 2;     /* wait for 10, 20, 40, 80, etc. msec */
1247     }
1248     return TRUE;
1249 }
1250
1251 /*
1252  * Get the current selection and put it in the clipboard register.
1253  *
1254  * NOTE: Must use GlobalLock/Unlock here to ensure Win32s compatibility.
1255  * On NT/W95 the clipboard data is a fixed global memory object and
1256  * so its handle = its pointer.
1257  * On Win32s, however, co-operation with the Win16 system means that
1258  * the clipboard data is moveable and its handle is not a pointer at all,
1259  * so we can't just cast the return value of GetClipboardData to (char_u*).
1260  * <VN>
1261  */
1262     void
1263 clip_mch_request_selection(VimClipboard *cbd)
1264 {
1265     VimClipType_t       metadata = { -1, -1, -1, -1 };
1266     HGLOBAL             hMem = NULL;
1267     char_u              *str = NULL;
1268 #if defined(FEAT_MBYTE) && defined(WIN3264)
1269     char_u              *to_free = NULL;
1270 #endif
1271 #ifdef FEAT_MBYTE
1272     HGLOBAL             rawh = NULL;
1273 #endif
1274     int                 str_size = 0;
1275     int                 maxlen;
1276     size_t              n;
1277
1278     /*
1279      * Don't pass GetActiveWindow() as an argument to OpenClipboard() because
1280      * then we can't paste back into the same window for some reason - webb.
1281      */
1282     if (!vim_open_clipboard())
1283         return;
1284
1285     /* Check for vim's own clipboard format first.  This only gets the type of
1286      * the data, still need to use CF_UNICODETEXT or CF_TEXT for the text. */
1287     if (IsClipboardFormatAvailable(cbd->format))
1288     {
1289         VimClipType_t   *meta_p;
1290         HGLOBAL         meta_h;
1291
1292         /* We have metadata on the clipboard; try to get it. */
1293         if ((meta_h = GetClipboardData(cbd->format)) != NULL
1294                 && (meta_p = (VimClipType_t *)GlobalLock(meta_h)) != NULL)
1295         {
1296             /* The size of "VimClipType_t" changed, "rawlen" was added later.
1297              * Only copy what is available for backwards compatibility. */
1298             n = sizeof(VimClipType_t);
1299             if (GlobalSize(meta_h) < n)
1300                 n = GlobalSize(meta_h);
1301             memcpy(&metadata, meta_p, n);
1302             GlobalUnlock(meta_h);
1303         }
1304     }
1305
1306 #ifdef FEAT_MBYTE
1307     /* Check for Vim's raw clipboard format first.  This is used without
1308      * conversion, but only if 'encoding' matches. */
1309     if (IsClipboardFormatAvailable(cbd->format_raw)
1310                                       && metadata.rawlen > (int)STRLEN(p_enc))
1311     {
1312         /* We have raw data on the clipboard; try to get it. */
1313         if ((rawh = GetClipboardData(cbd->format_raw)) != NULL)
1314         {
1315             char_u      *rawp;
1316
1317             rawp = (char_u *)GlobalLock(rawh);
1318             if (rawp != NULL && STRCMP(p_enc, rawp) == 0)
1319             {
1320                 n = STRLEN(p_enc) + 1;
1321                 str = rawp + n;
1322                 str_size = (int)(metadata.rawlen - n);
1323             }
1324             else
1325             {
1326                 GlobalUnlock(rawh);
1327                 rawh = NULL;
1328             }
1329         }
1330     }
1331     if (str == NULL)
1332     {
1333 #endif
1334
1335 #if defined(FEAT_MBYTE) && defined(WIN3264)
1336     /* Try to get the clipboard in Unicode if it's not an empty string. */
1337     if (IsClipboardFormatAvailable(CF_UNICODETEXT) && metadata.ucslen != 0)
1338     {
1339         HGLOBAL hMemW;
1340
1341         if ((hMemW = GetClipboardData(CF_UNICODETEXT)) != NULL)
1342         {
1343             WCHAR *hMemWstr = (WCHAR *)GlobalLock(hMemW);
1344
1345             /* Use the length of our metadata if possible, but limit it to the
1346              * GlobalSize() for safety. */
1347             maxlen = (int)(GlobalSize(hMemW) / sizeof(WCHAR));
1348             if (metadata.ucslen >= 0)
1349             {
1350                 if (metadata.ucslen > maxlen)
1351                     str_size = maxlen;
1352                 else
1353                     str_size = metadata.ucslen;
1354             }
1355             else
1356             {
1357                 for (str_size = 0; str_size < maxlen; ++str_size)
1358                     if (hMemWstr[str_size] == NUL)
1359                         break;
1360             }
1361             to_free = str = utf16_to_enc((short_u *)hMemWstr, &str_size);
1362             GlobalUnlock(hMemW);
1363         }
1364     }
1365     else
1366 #endif
1367     /* Get the clipboard in the Active codepage. */
1368     if (IsClipboardFormatAvailable(CF_TEXT))
1369     {
1370         if ((hMem = GetClipboardData(CF_TEXT)) != NULL)
1371         {
1372             str = (char_u *)GlobalLock(hMem);
1373
1374             /* The length is either what our metadata says or the strlen().
1375              * But limit it to the GlobalSize() for safety. */
1376             maxlen = (int)GlobalSize(hMem);
1377             if (metadata.txtlen >= 0)
1378             {
1379                 if (metadata.txtlen > maxlen)
1380                     str_size = maxlen;
1381                 else
1382                     str_size = metadata.txtlen;
1383             }
1384             else
1385             {
1386                 for (str_size = 0; str_size < maxlen; ++str_size)
1387                     if (str[str_size] == NUL)
1388                         break;
1389             }
1390
1391 # if defined(FEAT_MBYTE) && defined(WIN3264)
1392             /* The text is in the active codepage.  Convert to 'encoding',
1393              * going through UTF-16. */
1394             acp_to_enc(str, str_size, &to_free, &maxlen);
1395             if (to_free != NULL)
1396             {
1397                 str_size = maxlen;
1398                 str = to_free;
1399             }
1400 # endif
1401         }
1402     }
1403 #ifdef FEAT_MBYTE
1404     }
1405 #endif
1406
1407     if (str != NULL && *str != NUL)
1408     {
1409         char_u *temp_clipboard;
1410
1411         /* If the type is not known guess it. */
1412         if (metadata.type == -1)
1413             metadata.type = (vim_strchr(str, '\n') == NULL) ? MCHAR : MLINE;
1414
1415         /* Translate <CR><NL> into <NL>. */
1416         temp_clipboard = crnl_to_nl(str, &str_size);
1417         if (temp_clipboard != NULL)
1418         {
1419             clip_yank_selection(metadata.type, temp_clipboard, str_size, cbd);
1420             vim_free(temp_clipboard);
1421         }
1422     }
1423
1424     /* unlock the global object */
1425     if (hMem != NULL)
1426         GlobalUnlock(hMem);
1427 #ifdef FEAT_MBYTE
1428     if (rawh != NULL)
1429         GlobalUnlock(rawh);
1430 #endif
1431     CloseClipboard();
1432 #if defined(FEAT_MBYTE) && defined(WIN3264)
1433     vim_free(to_free);
1434 #endif
1435 }
1436
1437 #if (defined(FEAT_MBYTE) && defined(WIN3264)) || defined(PROTO)
1438 /*
1439  * Convert from the active codepage to 'encoding'.
1440  * Input is "str[str_size]".
1441  * The result is in allocated memory: "out[outlen]".  With terminating NUL.
1442  */
1443     void
1444 acp_to_enc(str, str_size, out, outlen)
1445     char_u      *str;
1446     int         str_size;
1447     char_u      **out;
1448     int         *outlen;
1449
1450 {
1451     LPWSTR      widestr;
1452
1453     MultiByteToWideChar_alloc(GetACP(), 0, str, str_size, &widestr, outlen);
1454     if (widestr != NULL)
1455     {
1456         ++*outlen;      /* Include the 0 after the string */
1457         *out = utf16_to_enc((short_u *)widestr, outlen);
1458         vim_free(widestr);
1459     }
1460 }
1461 #endif
1462
1463 /*
1464  * Send the current selection to the clipboard.
1465  */
1466     void
1467 clip_mch_set_selection(VimClipboard *cbd)
1468 {
1469     char_u              *str = NULL;
1470     VimClipType_t       metadata;
1471     long_u              txtlen;
1472     HGLOBAL             hMemRaw = NULL;
1473     HGLOBAL             hMem = NULL;
1474     HGLOBAL             hMemVim = NULL;
1475 # if defined(FEAT_MBYTE) && defined(WIN3264)
1476     HGLOBAL             hMemW = NULL;
1477 # endif
1478
1479     /* If the '*' register isn't already filled in, fill it in now */
1480     cbd->owned = TRUE;
1481     clip_get_selection(cbd);
1482     cbd->owned = FALSE;
1483
1484     /* Get the text to be put on the clipboard, with CR-LF. */
1485     metadata.type = clip_convert_selection(&str, &txtlen, cbd);
1486     if (metadata.type < 0)
1487         return;
1488     metadata.txtlen = (int)txtlen;
1489     metadata.ucslen = 0;
1490     metadata.rawlen = 0;
1491
1492 #ifdef FEAT_MBYTE
1493     /* Always set the raw bytes: 'encoding', NUL and the text.  This is used
1494      * when copy/paste from/to Vim with the same 'encoding', so that illegal
1495      * bytes can also be copied and no conversion is needed. */
1496     {
1497         LPSTR lpszMemRaw;
1498
1499         metadata.rawlen = (int)(txtlen + STRLEN(p_enc) + 1);
1500         hMemRaw = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
1501                                                          metadata.rawlen + 1);
1502         lpszMemRaw = (LPSTR)GlobalLock(hMemRaw);
1503         if (lpszMemRaw != NULL)
1504         {
1505             STRCPY(lpszMemRaw, p_enc);
1506             memcpy(lpszMemRaw + STRLEN(p_enc) + 1, str, txtlen + 1);
1507             GlobalUnlock(hMemRaw);
1508         }
1509         else
1510             metadata.rawlen = 0;
1511     }
1512 #endif
1513
1514 # if defined(FEAT_MBYTE) && defined(WIN3264)
1515     {
1516         WCHAR           *out;
1517         int             len = metadata.txtlen;
1518
1519         /* Convert the text to UTF-16. This is put on the clipboard as
1520          * CF_UNICODETEXT. */
1521         out = (WCHAR *)enc_to_utf16(str, &len);
1522         if (out != NULL)
1523         {
1524             WCHAR *lpszMemW;
1525
1526             /* Convert the text for CF_TEXT to Active codepage. Otherwise it's
1527              * p_enc, which has no relation to the Active codepage. */
1528             metadata.txtlen = WideCharToMultiByte(GetACP(), 0, out, len,
1529                                                                NULL, 0, 0, 0);
1530             vim_free(str);
1531             str = (char_u *)alloc((unsigned)(metadata.txtlen == 0 ? 1
1532                                                           : metadata.txtlen));
1533             if (str == NULL)
1534             {
1535                 vim_free(out);
1536                 return;         /* out of memory */
1537             }
1538             WideCharToMultiByte(GetACP(), 0, out, len,
1539                                                   str, metadata.txtlen, 0, 0);
1540
1541             /* Allocate memory for the UTF-16 text, add one NUL word to
1542              * terminate the string. */
1543             hMemW = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
1544                                                    (len + 1) * sizeof(WCHAR));
1545             lpszMemW = (WCHAR *)GlobalLock(hMemW);
1546             if (lpszMemW != NULL)
1547             {
1548                 memcpy(lpszMemW, out, len * sizeof(WCHAR));
1549                 lpszMemW[len] = NUL;
1550                 GlobalUnlock(hMemW);
1551             }
1552             vim_free(out);
1553             metadata.ucslen = len;
1554         }
1555     }
1556 # endif
1557
1558     /* Allocate memory for the text, add one NUL byte to terminate the string.
1559      */
1560     hMem = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, metadata.txtlen + 1);
1561     {
1562         LPSTR lpszMem = (LPSTR)GlobalLock(hMem);
1563
1564         if (lpszMem)
1565         {
1566             vim_strncpy(lpszMem, str, metadata.txtlen);
1567             GlobalUnlock(hMem);
1568         }
1569     }
1570
1571     /* Set up metadata: */
1572     {
1573         VimClipType_t *lpszMemVim = NULL;
1574
1575         hMemVim = GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE,
1576                                                        sizeof(VimClipType_t));
1577         lpszMemVim = (VimClipType_t *)GlobalLock(hMemVim);
1578         memcpy(lpszMemVim, &metadata, sizeof(metadata));
1579         GlobalUnlock(hMemVim);
1580     }
1581
1582     /*
1583      * Open the clipboard, clear it and put our text on it.
1584      * Always set our Vim format.  Put Unicode and plain text on it.
1585      *
1586      * Don't pass GetActiveWindow() as an argument to OpenClipboard()
1587      * because then we can't paste back into the same window for some
1588      * reason - webb.
1589      */
1590     if (vim_open_clipboard())
1591     {
1592         if (EmptyClipboard())
1593         {
1594             SetClipboardData(cbd->format, hMemVim);
1595             hMemVim = 0;
1596 # if defined(FEAT_MBYTE) && defined(WIN3264)
1597             if (hMemW != NULL)
1598             {
1599                 if (SetClipboardData(CF_UNICODETEXT, hMemW) != NULL)
1600                     hMemW = NULL;
1601             }
1602 # endif
1603             /* Always use CF_TEXT.  On Win98 Notepad won't obtain the
1604              * CF_UNICODETEXT text, only CF_TEXT. */
1605             SetClipboardData(CF_TEXT, hMem);
1606             hMem = 0;
1607         }
1608         CloseClipboard();
1609     }
1610
1611     vim_free(str);
1612     /* Free any allocations we didn't give to the clipboard: */
1613     if (hMemRaw)
1614         GlobalFree(hMemRaw);
1615     if (hMem)
1616         GlobalFree(hMem);
1617 # if defined(FEAT_MBYTE) && defined(WIN3264)
1618     if (hMemW)
1619         GlobalFree(hMemW);
1620 # endif
1621     if (hMemVim)
1622         GlobalFree(hMemVim);
1623 }
1624
1625 #endif /* FEAT_CLIPBOARD */
1626
1627
1628 /*
1629  * Debugging helper: expose the MCH_WRITE_DUMP stuff to other modules
1630  */
1631 /*ARGSUSED*/
1632     void
1633 DumpPutS(
1634     const char *psz)
1635 {
1636 # ifdef MCH_WRITE_DUMP
1637     if (fdDump)
1638     {
1639         fputs(psz, fdDump);
1640         if (psz[strlen(psz) - 1] != '\n')
1641             fputc('\n', fdDump);
1642         fflush(fdDump);
1643     }
1644 # endif
1645 }
1646
1647 #ifdef _DEBUG
1648
1649 void __cdecl
1650 Trace(
1651     char *pszFormat,
1652     ...)
1653 {
1654     CHAR szBuff[2048];
1655     va_list args;
1656
1657     va_start(args, pszFormat);
1658     vsprintf(szBuff, pszFormat, args);
1659     va_end(args);
1660
1661     OutputDebugString(szBuff);
1662 }
1663
1664 #endif //_DEBUG
1665
1666 #if !defined(FEAT_GUI) || defined(PROTO)
1667 # if defined(FEAT_TITLE) && defined(WIN3264)
1668 extern HWND g_hWnd;     /* This is in os_win32.c. */
1669 # endif
1670
1671 /*
1672  * Showing the printer dialog is tricky since we have no GUI
1673  * window to parent it. The following routines are needed to
1674  * get the window parenting and Z-order to work properly.
1675  */
1676     static void
1677 GetConsoleHwnd(void)
1678 {
1679 # define MY_BUFSIZE 1024 // Buffer size for console window titles.
1680
1681     char pszNewWindowTitle[MY_BUFSIZE]; // Contains fabricated WindowTitle.
1682     char pszOldWindowTitle[MY_BUFSIZE]; // Contains original WindowTitle.
1683
1684     /* Skip if it's already set. */
1685     if (s_hwnd != 0)
1686         return;
1687
1688 # if defined(FEAT_TITLE) && defined(WIN3264)
1689     /* Window handle may have been found by init code (Windows NT only) */
1690     if (g_hWnd != 0)
1691     {
1692         s_hwnd = g_hWnd;
1693         return;
1694     }
1695 # endif
1696
1697     GetConsoleTitle(pszOldWindowTitle, MY_BUFSIZE);
1698
1699     wsprintf(pszNewWindowTitle, "%s/%d/%d",
1700             pszOldWindowTitle,
1701             GetTickCount(),
1702             GetCurrentProcessId());
1703     SetConsoleTitle(pszNewWindowTitle);
1704     Sleep(40);
1705     s_hwnd = FindWindow(NULL, pszNewWindowTitle);
1706
1707     SetConsoleTitle(pszOldWindowTitle);
1708 }
1709
1710 /*
1711  * Console implementation of ":winpos".
1712  */
1713     int
1714 mch_get_winpos(int *x, int *y)
1715 {
1716     RECT  rect;
1717
1718     GetConsoleHwnd();
1719     GetWindowRect(s_hwnd, &rect);
1720     *x = rect.left;
1721     *y = rect.top;
1722     return OK;
1723 }
1724
1725 /*
1726  * Console implementation of ":winpos x y".
1727  */
1728     void
1729 mch_set_winpos(int x, int y)
1730 {
1731     GetConsoleHwnd();
1732     SetWindowPos(s_hwnd, NULL, x, y, 0, 0,
1733                  SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
1734 }
1735 #endif
1736
1737 #if (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) || defined(PROTO)
1738
1739 # ifdef WIN16
1740 #  define TEXT(a) a
1741 # endif
1742 /*=================================================================
1743  * Win32 printer stuff
1744  */
1745
1746 static HFONT            prt_font_handles[2][2][2];
1747 static PRINTDLG         prt_dlg;
1748 static const int        boldface[2] = {FW_REGULAR, FW_BOLD};
1749 static TEXTMETRIC       prt_tm;
1750 static int              prt_line_height;
1751 static int              prt_number_width;
1752 static int              prt_left_margin;
1753 static int              prt_right_margin;
1754 static int              prt_top_margin;
1755 static char_u           szAppName[] = TEXT("VIM");
1756 static HWND             hDlgPrint;
1757 static int              *bUserAbort = NULL;
1758 static char_u           *prt_name = NULL;
1759
1760 /* Defines which are also in vim.rc. */
1761 #define IDC_BOX1                400
1762 #define IDC_PRINTTEXT1          401
1763 #define IDC_PRINTTEXT2          402
1764 #define IDC_PROGRESS            403
1765
1766 /*
1767  * Convert BGR to RGB for Windows GDI calls
1768  */
1769     static COLORREF
1770 swap_me(COLORREF colorref)
1771 {
1772     int  temp;
1773     char *ptr = (char *)&colorref;
1774
1775     temp = *(ptr);
1776     *(ptr ) = *(ptr + 2);
1777     *(ptr + 2) = temp;
1778     return colorref;
1779 }
1780
1781 /* Attempt to make this work for old and new compilers */
1782 #if _MSC_VER < 1300
1783 # define PDP_RETVAL BOOL
1784 #else
1785 # define PDP_RETVAL INT_PTR
1786 #endif
1787
1788 /*ARGSUSED*/
1789     static PDP_RETVAL CALLBACK
1790 PrintDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
1791 {
1792 #ifdef FEAT_GETTEXT
1793     NONCLIENTMETRICS nm;
1794     static HFONT hfont;
1795 #endif
1796
1797     switch (message)
1798     {
1799         case WM_INITDIALOG:
1800 #ifdef FEAT_GETTEXT
1801             nm.cbSize = sizeof(NONCLIENTMETRICS);
1802             if (SystemParametersInfo(
1803                         SPI_GETNONCLIENTMETRICS,
1804                         sizeof(NONCLIENTMETRICS),
1805                         &nm,
1806                         0))
1807             {
1808                 char buff[MAX_PATH];
1809                 int i;
1810
1811                 /* Translate the dialog texts */
1812                 hfont = CreateFontIndirect(&nm.lfMessageFont);
1813                 for (i = IDC_PRINTTEXT1; i <= IDC_PROGRESS; i++)
1814                 {
1815                     SendDlgItemMessage(hDlg, i, WM_SETFONT, (WPARAM)hfont, 1);
1816                     if (GetDlgItemText(hDlg,i, buff, sizeof(buff)))
1817                         SetDlgItemText(hDlg,i, _(buff));
1818                 }
1819                 SendDlgItemMessage(hDlg, IDCANCEL,
1820                                                 WM_SETFONT, (WPARAM)hfont, 1);
1821                 if (GetDlgItemText(hDlg,IDCANCEL, buff, sizeof(buff)))
1822                     SetDlgItemText(hDlg,IDCANCEL, _(buff));
1823             }
1824 #endif
1825             SetWindowText(hDlg, szAppName);
1826             if (prt_name != NULL)
1827             {
1828                 SetDlgItemText(hDlg, IDC_PRINTTEXT2, (LPSTR)prt_name);
1829                 vim_free(prt_name);
1830                 prt_name = NULL;
1831             }
1832             EnableMenuItem(GetSystemMenu(hDlg, FALSE), SC_CLOSE, MF_GRAYED);
1833 #ifndef FEAT_GUI
1834             BringWindowToTop(s_hwnd);
1835 #endif
1836             return TRUE;
1837
1838         case WM_COMMAND:
1839             *bUserAbort = TRUE;
1840             EnableWindow(GetParent(hDlg), TRUE);
1841             DestroyWindow(hDlg);
1842             hDlgPrint = NULL;
1843 #ifdef FEAT_GETTEXT
1844             DeleteObject(hfont);
1845 #endif
1846             return TRUE;
1847     }
1848     return FALSE;
1849 }
1850
1851 /*ARGSUSED*/
1852     static BOOL CALLBACK
1853 AbortProc(HDC hdcPrn, int iCode)
1854 {
1855     MSG msg;
1856
1857     while (!*bUserAbort && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
1858     {
1859         if (!hDlgPrint || !IsDialogMessage(hDlgPrint, &msg))
1860         {
1861             TranslateMessage(&msg);
1862             DispatchMessage(&msg);
1863         }
1864     }
1865     return !*bUserAbort;
1866 }
1867
1868 #ifndef FEAT_GUI
1869
1870     static UINT CALLBACK
1871 PrintHookProc(
1872         HWND hDlg,      // handle to dialog box
1873         UINT uiMsg,     // message identifier
1874         WPARAM wParam,  // message parameter
1875         LPARAM lParam   // message parameter
1876         )
1877 {
1878     HWND        hwndOwner;
1879     RECT        rc, rcDlg, rcOwner;
1880     PRINTDLG    *pPD;
1881
1882     if (uiMsg == WM_INITDIALOG)
1883     {
1884         // Get the owner window and dialog box rectangles.
1885         if ((hwndOwner = GetParent(hDlg)) == NULL)
1886             hwndOwner = GetDesktopWindow();
1887
1888         GetWindowRect(hwndOwner, &rcOwner);
1889         GetWindowRect(hDlg, &rcDlg);
1890         CopyRect(&rc, &rcOwner);
1891
1892         // Offset the owner and dialog box rectangles so that
1893         // right and bottom values represent the width and
1894         // height, and then offset the owner again to discard
1895         // space taken up by the dialog box.
1896
1897         OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
1898         OffsetRect(&rc, -rc.left, -rc.top);
1899         OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
1900
1901         // The new position is the sum of half the remaining
1902         // space and the owner's original position.
1903
1904         SetWindowPos(hDlg,
1905                 HWND_TOP,
1906                 rcOwner.left + (rc.right / 2),
1907                 rcOwner.top + (rc.bottom / 2),
1908                 0, 0,           // ignores size arguments
1909                 SWP_NOSIZE);
1910
1911         /*  tackle the printdlg copiesctrl problem */
1912         pPD = (PRINTDLG *)lParam;
1913         pPD->nCopies = (WORD)pPD->lCustData;
1914         SetDlgItemInt( hDlg, edt3, pPD->nCopies, FALSE );
1915         /*  Bring the window to top */
1916         BringWindowToTop(GetParent(hDlg));
1917         SetForegroundWindow(hDlg);
1918     }
1919
1920     return FALSE;
1921 }
1922 #endif
1923
1924     void
1925 mch_print_cleanup(void)
1926 {
1927     int pifItalic;
1928     int pifBold;
1929     int pifUnderline;
1930
1931     for (pifBold = 0; pifBold <= 1; pifBold++)
1932         for (pifItalic = 0; pifItalic <= 1; pifItalic++)
1933             for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
1934                 DeleteObject(prt_font_handles[pifBold][pifItalic][pifUnderline]);
1935
1936     if (prt_dlg.hDC != NULL)
1937         DeleteDC(prt_dlg.hDC);
1938     if (!*bUserAbort)
1939         SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
1940 }
1941
1942     static int
1943 to_device_units(int idx, int dpi, int physsize, int offset, int def_number)
1944 {
1945     int         ret = 0;
1946     int         u;
1947     int         nr;
1948
1949     u = prt_get_unit(idx);
1950     if (u == PRT_UNIT_NONE)
1951     {
1952         u = PRT_UNIT_PERC;
1953         nr = def_number;
1954     }
1955     else
1956         nr = printer_opts[idx].number;
1957
1958     switch (u)
1959     {
1960         case PRT_UNIT_PERC:
1961             ret = (physsize * nr) / 100;
1962             break;
1963         case PRT_UNIT_INCH:
1964             ret = (nr * dpi);
1965             break;
1966         case PRT_UNIT_MM:
1967             ret = (nr * 10 * dpi) / 254;
1968             break;
1969         case PRT_UNIT_POINT:
1970             ret = (nr * 10 * dpi) / 720;
1971             break;
1972     }
1973
1974     if (ret < offset)
1975         return 0;
1976     else
1977         return ret - offset;
1978 }
1979
1980     static int
1981 prt_get_cpl(void)
1982 {
1983     int         hr;
1984     int         phyw;
1985     int         dvoff;
1986     int         rev_offset;
1987     int         dpi;
1988 #ifdef WIN16
1989     POINT       pagesize;
1990 #endif
1991
1992     GetTextMetrics(prt_dlg.hDC, &prt_tm);
1993     prt_line_height = prt_tm.tmHeight + prt_tm.tmExternalLeading;
1994
1995     hr      = GetDeviceCaps(prt_dlg.hDC, HORZRES);
1996 #ifdef WIN16
1997     Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
1998     phyw    = pagesize.x;
1999     Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
2000     dvoff   = pagesize.x;
2001 #else
2002     phyw    = GetDeviceCaps(prt_dlg.hDC, PHYSICALWIDTH);
2003     dvoff   = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETX);
2004 #endif
2005     dpi     = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSX);
2006
2007     rev_offset = phyw - (dvoff + hr);
2008
2009     prt_left_margin = to_device_units(OPT_PRINT_LEFT, dpi, phyw, dvoff, 10);
2010     if (prt_use_number())
2011     {
2012         prt_number_width = PRINT_NUMBER_WIDTH * prt_tm.tmAveCharWidth;
2013         prt_left_margin += prt_number_width;
2014     }
2015     else
2016         prt_number_width = 0;
2017
2018     prt_right_margin = hr - to_device_units(OPT_PRINT_RIGHT, dpi, phyw,
2019                                                                rev_offset, 5);
2020
2021     return (prt_right_margin - prt_left_margin) / prt_tm.tmAveCharWidth;
2022 }
2023
2024     static int
2025 prt_get_lpp(void)
2026 {
2027     int vr;
2028     int phyw;
2029     int dvoff;
2030     int rev_offset;
2031     int bottom_margin;
2032     int dpi;
2033 #ifdef WIN16
2034     POINT pagesize;
2035 #endif
2036
2037     vr      = GetDeviceCaps(prt_dlg.hDC, VERTRES);
2038 #ifdef WIN16
2039     Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
2040     phyw    = pagesize.y;
2041     Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
2042     dvoff   = pagesize.y;
2043 #else
2044     phyw    = GetDeviceCaps(prt_dlg.hDC, PHYSICALHEIGHT);
2045     dvoff   = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETY);
2046 #endif
2047     dpi     = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSY);
2048
2049     rev_offset = phyw - (dvoff + vr);
2050
2051     prt_top_margin = to_device_units(OPT_PRINT_TOP, dpi, phyw, dvoff, 5);
2052
2053     /* adjust top margin if there is a header */
2054     prt_top_margin += prt_line_height * prt_header_height();
2055
2056     bottom_margin = vr - to_device_units(OPT_PRINT_BOT, dpi, phyw,
2057                                                                rev_offset, 5);
2058
2059     return (bottom_margin - prt_top_margin) / prt_line_height;
2060 }
2061
2062     int
2063 mch_print_init(prt_settings_T *psettings, char_u *jobname, int forceit)
2064 {
2065     static HGLOBAL      stored_dm = NULL;
2066     static HGLOBAL      stored_devn = NULL;
2067     static int          stored_nCopies = 1;
2068     static int          stored_nFlags = 0;
2069
2070     LOGFONT             fLogFont;
2071     int                 pifItalic;
2072     int                 pifBold;
2073     int                 pifUnderline;
2074
2075     DEVMODE             *mem;
2076     DEVNAMES            *devname;
2077     int                 i;
2078
2079     bUserAbort = &(psettings->user_abort);
2080     memset(&prt_dlg, 0, sizeof(PRINTDLG));
2081     prt_dlg.lStructSize = sizeof(PRINTDLG);
2082 #ifndef FEAT_GUI
2083     GetConsoleHwnd();       /* get value of s_hwnd */
2084 #endif
2085     prt_dlg.hwndOwner = s_hwnd;
2086     prt_dlg.Flags = PD_NOPAGENUMS | PD_NOSELECTION | PD_RETURNDC;
2087     if (!forceit)
2088     {
2089         prt_dlg.hDevMode = stored_dm;
2090         prt_dlg.hDevNames = stored_devn;
2091         prt_dlg.lCustData = stored_nCopies; // work around bug in print dialog
2092 #ifndef FEAT_GUI
2093         /*
2094          * Use hook to prevent console window being sent to back
2095          */
2096         prt_dlg.lpfnPrintHook = PrintHookProc;
2097         prt_dlg.Flags |= PD_ENABLEPRINTHOOK;
2098 #endif
2099         prt_dlg.Flags |= stored_nFlags;
2100     }
2101
2102     /*
2103      * If bang present, return default printer setup with no dialog
2104      * never show dialog if we are running over telnet
2105      */
2106     if (forceit
2107 #ifndef FEAT_GUI
2108             || !term_console
2109 #endif
2110             )
2111     {
2112         prt_dlg.Flags |= PD_RETURNDEFAULT;
2113 #ifdef WIN3264
2114         /*
2115          * MSDN suggests setting the first parameter to WINSPOOL for
2116          * NT, but NULL appears to work just as well.
2117          */
2118         if (*p_pdev != NUL)
2119             prt_dlg.hDC = CreateDC(NULL, p_pdev, NULL, NULL);
2120         else
2121 #endif
2122         {
2123             prt_dlg.Flags |= PD_RETURNDEFAULT;
2124             if (PrintDlg(&prt_dlg) == 0)
2125                 goto init_fail_dlg;
2126         }
2127     }
2128     else if (PrintDlg(&prt_dlg) == 0)
2129         goto init_fail_dlg;
2130     else
2131     {
2132         /*
2133          * keep the previous driver context
2134          */
2135         stored_dm = prt_dlg.hDevMode;
2136         stored_devn = prt_dlg.hDevNames;
2137         stored_nFlags = prt_dlg.Flags;
2138         stored_nCopies = prt_dlg.nCopies;
2139     }
2140
2141     if (prt_dlg.hDC == NULL)
2142     {
2143         EMSG(_("E237: Printer selection failed"));
2144         mch_print_cleanup();
2145         return FALSE;
2146     }
2147
2148     /* Not all printer drivers report the support of color (or grey) in the
2149      * same way.  Let's set has_color if there appears to be some way to print
2150      * more than B&W. */
2151     i = GetDeviceCaps(prt_dlg.hDC, NUMCOLORS);
2152     psettings->has_color = (GetDeviceCaps(prt_dlg.hDC, BITSPIXEL) > 1
2153                                    || GetDeviceCaps(prt_dlg.hDC, PLANES) > 1
2154                                    || i > 2 || i == -1);
2155
2156     /* Ensure all font styles are baseline aligned */
2157     SetTextAlign(prt_dlg.hDC, TA_BASELINE|TA_LEFT);
2158
2159     /*
2160      * On some windows systems the nCopies parameter is not
2161      * passed back correctly. It must be retrieved from the
2162      * hDevMode struct.
2163      */
2164     mem = (DEVMODE *)GlobalLock(prt_dlg.hDevMode);
2165     if (mem != NULL)
2166     {
2167 #ifdef WIN3264
2168         if (mem->dmCopies != 1)
2169             stored_nCopies = mem->dmCopies;
2170 #endif
2171         if ((mem->dmFields & DM_DUPLEX) && (mem->dmDuplex & ~DMDUP_SIMPLEX))
2172             psettings->duplex = TRUE;
2173         if ((mem->dmFields & DM_COLOR) && (mem->dmColor & DMCOLOR_COLOR))
2174             psettings->has_color = TRUE;
2175     }
2176     GlobalUnlock(prt_dlg.hDevMode);
2177
2178     devname = (DEVNAMES *)GlobalLock(prt_dlg.hDevNames);
2179     if (devname != 0)
2180     {
2181         char_u  *printer_name = (char_u *)devname + devname->wDeviceOffset;
2182         char_u  *port_name = (char_u *)devname +devname->wOutputOffset;
2183         char_u  *text = _("to %s on %s");
2184
2185         prt_name = alloc((unsigned)(STRLEN(printer_name) + STRLEN(port_name)
2186                                                              + STRLEN(text)));
2187         if (prt_name != NULL)
2188             wsprintf(prt_name, text, printer_name, port_name);
2189     }
2190     GlobalUnlock(prt_dlg.hDevNames);
2191
2192     /*
2193      * Initialise the font according to 'printfont'
2194      */
2195     memset(&fLogFont, 0, sizeof(fLogFont));
2196     if (get_logfont(&fLogFont, p_pfn, prt_dlg.hDC, TRUE) == FAIL)
2197     {
2198         EMSG2(_("E613: Unknown printer font: %s"), p_pfn);
2199         mch_print_cleanup();
2200         return FALSE;
2201     }
2202
2203     for (pifBold = 0; pifBold <= 1; pifBold++)
2204         for (pifItalic = 0; pifItalic <= 1; pifItalic++)
2205             for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
2206             {
2207                 fLogFont.lfWeight =  boldface[pifBold];
2208                 fLogFont.lfItalic = pifItalic;
2209                 fLogFont.lfUnderline = pifUnderline;
2210                 prt_font_handles[pifBold][pifItalic][pifUnderline]
2211                                               = CreateFontIndirect(&fLogFont);
2212             }
2213
2214     SetBkMode(prt_dlg.hDC, OPAQUE);
2215     SelectObject(prt_dlg.hDC, prt_font_handles[0][0][0]);
2216
2217     /*
2218      * Fill in the settings struct
2219      */
2220     psettings->chars_per_line = prt_get_cpl();
2221     psettings->lines_per_page = prt_get_lpp();
2222     psettings->n_collated_copies = (prt_dlg.Flags & PD_COLLATE)
2223                                                         ? prt_dlg.nCopies : 1;
2224     psettings->n_uncollated_copies = (prt_dlg.Flags & PD_COLLATE)
2225                                                         ? 1 : prt_dlg.nCopies;
2226
2227     if (psettings->n_collated_copies == 0)
2228         psettings->n_collated_copies = 1;
2229
2230     if (psettings->n_uncollated_copies == 0)
2231         psettings->n_uncollated_copies = 1;
2232
2233     psettings->jobname = jobname;
2234
2235     return TRUE;
2236
2237 init_fail_dlg:
2238     {
2239         DWORD err = CommDlgExtendedError();
2240
2241         if (err)
2242         {
2243 #ifdef WIN16
2244             char buf[20];
2245
2246             sprintf(buf, "%ld", err);
2247             EMSG2(_("E238: Print error: %s"), buf);
2248 #else
2249             char_u *buf;
2250
2251             /* I suspect FormatMessage() doesn't work for values returned by
2252              * CommDlgExtendedError().  What does? */
2253             FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
2254                           FORMAT_MESSAGE_FROM_SYSTEM |
2255                           FORMAT_MESSAGE_IGNORE_INSERTS,
2256                           NULL, err, 0, (LPTSTR)(&buf), 0, NULL);
2257             EMSG2(_("E238: Print error: %s"),
2258                                   buf == NULL ? (char_u *)_("Unknown") : buf);
2259             LocalFree((LPVOID)(buf));
2260 #endif
2261         }
2262         else
2263             msg_clr_eos(); /* Maybe canceled */
2264
2265         mch_print_cleanup();
2266         return FALSE;
2267     }
2268 }
2269
2270
2271     int
2272 mch_print_begin(prt_settings_T *psettings)
2273 {
2274     int                 ret;
2275     static DOCINFO      di;
2276     char                szBuffer[300];
2277
2278     hDlgPrint = CreateDialog(GetModuleHandle(NULL), TEXT("PrintDlgBox"),
2279                                              prt_dlg.hwndOwner, PrintDlgProc);
2280 #ifdef WIN16
2281     Escape(prt_dlg.hDC, SETABORTPROC, 0, (LPSTR)AbortProc, NULL);
2282 #else
2283     SetAbortProc(prt_dlg.hDC, AbortProc);
2284 #endif
2285     wsprintf(szBuffer, _("Printing '%s'"), gettail(psettings->jobname));
2286     SetDlgItemText(hDlgPrint, IDC_PRINTTEXT1, (LPSTR)szBuffer);
2287
2288     memset(&di, 0, sizeof(DOCINFO));
2289     di.cbSize = sizeof(DOCINFO);
2290     di.lpszDocName = psettings->jobname;
2291     ret = StartDoc(prt_dlg.hDC, &di);
2292
2293 #ifdef FEAT_GUI
2294     /* Give focus back to main window (when using MDI). */
2295     SetFocus(s_hwnd);
2296 #endif
2297
2298     return (ret > 0);
2299 }
2300
2301 /*ARGSUSED*/
2302     void
2303 mch_print_end(prt_settings_T *psettings)
2304 {
2305     EndDoc(prt_dlg.hDC);
2306     if (!*bUserAbort)
2307         SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
2308 }
2309
2310     int
2311 mch_print_end_page(void)
2312 {
2313     return (EndPage(prt_dlg.hDC) > 0);
2314 }
2315
2316     int
2317 mch_print_begin_page(char_u *msg)
2318 {
2319     if (msg != NULL)
2320         SetDlgItemText(hDlgPrint, IDC_PROGRESS, (LPSTR)msg);
2321     return (StartPage(prt_dlg.hDC) > 0);
2322 }
2323
2324     int
2325 mch_print_blank_page(void)
2326 {
2327     return (mch_print_begin_page(NULL) ? (mch_print_end_page()) : FALSE);
2328 }
2329
2330 static int prt_pos_x = 0;
2331 static int prt_pos_y = 0;
2332
2333     void
2334 mch_print_start_line(margin, page_line)
2335     int         margin;
2336     int         page_line;
2337 {
2338     if (margin)
2339         prt_pos_x = -prt_number_width;
2340     else
2341         prt_pos_x = 0;
2342     prt_pos_y = page_line * prt_line_height
2343                                  + prt_tm.tmAscent + prt_tm.tmExternalLeading;
2344 }
2345
2346     int
2347 mch_print_text_out(char_u *p, int len)
2348 {
2349     int do_out = 1;
2350 #ifdef FEAT_PROPORTIONAL_FONTS
2351     SIZE        sz;
2352 #endif
2353
2354     /* A space character without background color is not needed to be drawn.
2355      * This is expected to reduce data size and speed up when printing. */
2356     if (GetBkMode(prt_dlg.hDC) == TRANSPARENT)
2357     {
2358         int i;
2359
2360         do_out = 0;
2361         for (i = 0; i < len; ++i)
2362             if (p[i] != ' ')
2363             {
2364                 do_out = 1;
2365                 break;
2366             }
2367     }
2368     if (do_out)
2369         TextOut(prt_dlg.hDC, prt_pos_x + prt_left_margin, prt_pos_y +
2370                 prt_top_margin, p, len);
2371 #ifndef FEAT_PROPORTIONAL_FONTS
2372     prt_pos_x += len * prt_tm.tmAveCharWidth;
2373     return (prt_pos_x + prt_left_margin + prt_tm.tmAveCharWidth
2374                                      + prt_tm.tmOverhang > prt_right_margin);
2375 #else
2376 # ifdef WIN16
2377     GetTextExtentPoint(prt_dlg.hDC, p, len, &sz);
2378 # else
2379     GetTextExtentPoint32(prt_dlg.hDC, p, len, &sz);
2380 # endif
2381     prt_pos_x += (sz.cx - prt_tm.tmOverhang);
2382     /* This is wrong when printing spaces for a TAB. */
2383     if (p[len] == NUL)
2384         return FALSE;
2385 # ifdef WIN16
2386     GetTextExtentPoint(prt_dlg.hDC, p + len, 1, &sz);
2387 # else
2388     GetTextExtentPoint32(prt_dlg.hDC, p + len, 1, &sz);
2389 # endif
2390     return (prt_pos_x + prt_left_margin + sz.cx > prt_right_margin);
2391 #endif
2392 }
2393
2394     void
2395 mch_print_set_font(int iBold, int iItalic, int iUnderline)
2396 {
2397     SelectObject(prt_dlg.hDC, prt_font_handles[iBold][iItalic][iUnderline]);
2398 }
2399
2400     void
2401 mch_print_set_bg(long_u bgcol)
2402 {
2403     SetBkColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
2404                                                    swap_me((COLORREF)bgcol)));
2405     /*
2406      * With a white background we can draw characters transparent, which is
2407      * good for italic characters that overlap to the next char cell.
2408      */
2409     if (bgcol == 0xffffffUL)
2410         SetBkMode(prt_dlg.hDC, TRANSPARENT);
2411     else
2412         SetBkMode(prt_dlg.hDC, OPAQUE);
2413 }
2414
2415     void
2416 mch_print_set_fg(long_u fgcol)
2417 {
2418     SetTextColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
2419                                                    swap_me((COLORREF)fgcol)));
2420 }
2421
2422 #endif /*FEAT_PRINTER && !FEAT_POSTSCRIPT*/
2423
2424
2425
2426 #if defined(FEAT_SHORTCUT) || defined(PROTO)
2427 # include <shlobj.h>
2428
2429 /*
2430  * When "fname" is the name of a shortcut (*.lnk) resolve the file it points
2431  * to and return that name in allocated memory.
2432  * Otherwise NULL is returned.
2433  */
2434     char_u *
2435 mch_resolve_shortcut(char_u *fname)
2436 {
2437     HRESULT             hr;
2438     IShellLink          *psl = NULL;
2439     IPersistFile        *ppf = NULL;
2440     OLECHAR             wsz[MAX_PATH];
2441     WIN32_FIND_DATA     ffd; // we get those free of charge
2442     TCHAR               buf[MAX_PATH]; // could have simply reused 'wsz'...
2443     char_u              *rfname = NULL;
2444     int                 len;
2445
2446     /* Check if the file name ends in ".lnk". Avoid calling
2447      * CoCreateInstance(), it's quite slow. */
2448     if (fname == NULL)
2449         return rfname;
2450     len = (int)STRLEN(fname);
2451     if (len <= 4 || STRNICMP(fname + len - 4, ".lnk", 4) != 0)
2452         return rfname;
2453
2454     CoInitialize(NULL);
2455
2456     // create a link manager object and request its interface
2457     hr = CoCreateInstance(
2458             &CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
2459             &IID_IShellLink, (void**)&psl);
2460     if (hr != S_OK)
2461         goto shortcut_error;
2462
2463     // Get a pointer to the IPersistFile interface.
2464     hr = psl->lpVtbl->QueryInterface(
2465             psl, &IID_IPersistFile, (void**)&ppf);
2466     if (hr != S_OK)
2467         goto shortcut_error;
2468
2469     // full path string must be in Unicode.
2470     MultiByteToWideChar(CP_ACP, 0, fname, -1, wsz, MAX_PATH);
2471
2472     // "load" the name and resolve the link
2473     hr = ppf->lpVtbl->Load(ppf, wsz, STGM_READ);
2474     if (hr != S_OK)
2475         goto shortcut_error;
2476 #if 0  // This makes Vim wait a long time if the target doesn't exist.
2477     hr = psl->lpVtbl->Resolve(psl, NULL, SLR_NO_UI);
2478     if (hr != S_OK)
2479         goto shortcut_error;
2480 #endif
2481
2482     // Get the path to the link target.
2483     ZeroMemory(buf, MAX_PATH);
2484     hr = psl->lpVtbl->GetPath(psl, buf, MAX_PATH, &ffd, 0);
2485     if (hr == S_OK && buf[0] != NUL)
2486         rfname = vim_strsave(buf);
2487
2488 shortcut_error:
2489     // Release all interface pointers (both belong to the same object)
2490     if (ppf != NULL)
2491         ppf->lpVtbl->Release(ppf);
2492     if (psl != NULL)
2493         psl->lpVtbl->Release(psl);
2494
2495     CoUninitialize();
2496     return rfname;
2497 }
2498 #endif
2499
2500 #if (defined(FEAT_EVAL) && !defined(FEAT_GUI)) || defined(PROTO)
2501 /*
2502  * Bring ourselves to the foreground.  Does work if the OS doesn't allow it.
2503  */
2504     void
2505 win32_set_foreground()
2506 {
2507 # ifndef FEAT_GUI
2508     GetConsoleHwnd();       /* get value of s_hwnd */
2509 # endif
2510     if (s_hwnd != 0)
2511         SetForegroundWindow(s_hwnd);
2512 }
2513 #endif
2514
2515 #if defined(FEAT_CLIENTSERVER) || defined(PROTO)
2516 /*
2517  * Client-server code for Vim
2518  *
2519  * Originally written by Paul Moore
2520  */
2521
2522 /* In order to handle inter-process messages, we need to have a window. But
2523  * the functions in this module can be called before the main GUI window is
2524  * created (and may also be called in the console version, where there is no
2525  * GUI window at all).
2526  *
2527  * So we create a hidden window, and arrange to destroy it on exit.
2528  */
2529 HWND message_window = 0;            /* window that's handling messsages */
2530
2531 #define VIM_CLASSNAME      "VIM_MESSAGES"
2532 #define VIM_CLASSNAME_LEN  (sizeof(VIM_CLASSNAME) - 1)
2533
2534 /* Communication is via WM_COPYDATA messages. The message type is send in
2535  * the dwData parameter. Types are defined here. */
2536 #define COPYDATA_KEYS           0
2537 #define COPYDATA_REPLY          1
2538 #define COPYDATA_EXPR           10
2539 #define COPYDATA_RESULT         11
2540 #define COPYDATA_ERROR_RESULT   12
2541 #define COPYDATA_ENCODING       20
2542
2543 /* This is a structure containing a server HWND and its name. */
2544 struct server_id
2545 {
2546     HWND hwnd;
2547     char_u *name;
2548 };
2549
2550 /* Last received 'encoding' that the client uses. */
2551 static char_u   *client_enc = NULL;
2552
2553 /*
2554  * Tell the other side what encoding we are using.
2555  * Errors are ignored.
2556  */
2557     static void
2558 serverSendEnc(HWND target)
2559 {
2560     COPYDATASTRUCT data;
2561
2562     data.dwData = COPYDATA_ENCODING;
2563 #ifdef FEAT_MBYTE
2564     data.cbData = (DWORD)STRLEN(p_enc) + 1;
2565     data.lpData = p_enc;
2566 #else
2567     data.cbData = STRLEN("latin1") + 1;
2568     data.lpData = "latin1";
2569 #endif
2570     (void)SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2571                                                              (LPARAM)(&data));
2572 }
2573
2574 /*
2575  * Clean up on exit. This destroys the hidden message window.
2576  */
2577     static void
2578 #ifdef __BORLANDC__
2579     _RTLENTRYF
2580 #endif
2581 CleanUpMessaging(void)
2582 {
2583     if (message_window != 0)
2584     {
2585         DestroyWindow(message_window);
2586         message_window = 0;
2587     }
2588 }
2589
2590 static int save_reply(HWND server, char_u *reply, int expr);
2591
2592 /*s
2593  * The window procedure for the hidden message window.
2594  * It handles callback messages and notifications from servers.
2595  * In order to process these messages, it is necessary to run a
2596  * message loop. Code which may run before the main message loop
2597  * is started (in the GUI) is careful to pump messages when it needs
2598  * to. Features which require message delivery during normal use will
2599  * not work in the console version - this basically means those
2600  * features which allow Vim to act as a server, rather than a client.
2601  */
2602     static LRESULT CALLBACK
2603 Messaging_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2604 {
2605     if (msg == WM_COPYDATA)
2606     {
2607         /* This is a message from another Vim. The dwData member of the
2608          * COPYDATASTRUCT determines the type of message:
2609          *   COPYDATA_ENCODING:
2610          *      The encoding that the client uses. Following messages will
2611          *      use this encoding, convert if needed.
2612          *   COPYDATA_KEYS:
2613          *      A key sequence. We are a server, and a client wants these keys
2614          *      adding to the input queue.
2615          *   COPYDATA_REPLY:
2616          *      A reply. We are a client, and a server has sent this message
2617          *      in response to a request.  (server2client())
2618          *   COPYDATA_EXPR:
2619          *      An expression. We are a server, and a client wants us to
2620          *      evaluate this expression.
2621          *   COPYDATA_RESULT:
2622          *      A reply. We are a client, and a server has sent this message
2623          *      in response to a COPYDATA_EXPR.
2624          *   COPYDATA_ERROR_RESULT:
2625          *      A reply. We are a client, and a server has sent this message
2626          *      in response to a COPYDATA_EXPR that failed to evaluate.
2627          */
2628         COPYDATASTRUCT  *data = (COPYDATASTRUCT*)lParam;
2629         HWND            sender = (HWND)wParam;
2630         COPYDATASTRUCT  reply;
2631         char_u          *res;
2632         char_u          winstr[30];
2633         int             retval;
2634         char_u          *str;
2635         char_u          *tofree;
2636
2637         switch (data->dwData)
2638         {
2639         case COPYDATA_ENCODING:
2640 # ifdef FEAT_MBYTE
2641             /* Remember the encoding that the client uses. */
2642             vim_free(client_enc);
2643             client_enc = enc_canonize((char_u *)data->lpData);
2644 # endif
2645             return 1;
2646
2647         case COPYDATA_KEYS:
2648             /* Remember who sent this, for <client> */
2649             clientWindow = sender;
2650
2651             /* Add the received keys to the input buffer.  The loop waiting
2652              * for the user to do something should check the input buffer. */
2653             str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
2654             server_to_input_buf(str);
2655             vim_free(tofree);
2656
2657 # ifdef FEAT_GUI
2658             /* Wake up the main GUI loop. */
2659             if (s_hwnd != 0)
2660                 PostMessage(s_hwnd, WM_NULL, 0, 0);
2661 # endif
2662             return 1;
2663
2664         case COPYDATA_EXPR:
2665             /* Remember who sent this, for <client> */
2666             clientWindow = sender;
2667
2668             str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
2669             res = eval_client_expr_to_string(str);
2670             vim_free(tofree);
2671
2672             if (res == NULL)
2673             {
2674                 res = vim_strsave(_(e_invexprmsg));
2675                 reply.dwData = COPYDATA_ERROR_RESULT;
2676             }
2677             else
2678                 reply.dwData = COPYDATA_RESULT;
2679             reply.lpData = res;
2680             reply.cbData = (DWORD)STRLEN(res) + 1;
2681
2682             serverSendEnc(sender);
2683             retval = (int)SendMessage(sender, WM_COPYDATA, (WPARAM)message_window,
2684                                                             (LPARAM)(&reply));
2685             vim_free(res);
2686             return retval;
2687
2688         case COPYDATA_REPLY:
2689         case COPYDATA_RESULT:
2690         case COPYDATA_ERROR_RESULT:
2691             if (data->lpData != NULL)
2692             {
2693                 str = serverConvert(client_enc, (char_u *)data->lpData,
2694                                                                      &tofree);
2695                 if (tofree == NULL)
2696                     str = vim_strsave(str);
2697                 if (save_reply(sender, str,
2698                            (data->dwData == COPYDATA_REPLY ?  0 :
2699                            (data->dwData == COPYDATA_RESULT ? 1 :
2700                                                               2))) == FAIL)
2701                     vim_free(str);
2702 #ifdef FEAT_AUTOCMD
2703                 else if (data->dwData == COPYDATA_REPLY)
2704                 {
2705                     sprintf((char *)winstr, PRINTF_HEX_LONG_U, (long_u)sender);
2706                     apply_autocmds(EVENT_REMOTEREPLY, winstr, str,
2707                                                                 TRUE, curbuf);
2708                 }
2709 #endif
2710             }
2711             return 1;
2712         }
2713
2714         return 0;
2715     }
2716
2717     else if (msg == WM_ACTIVATE && wParam == WA_ACTIVE)
2718     {
2719         /* When the message window is activated (brought to the foreground),
2720          * this actually applies to the text window. */
2721 #ifndef FEAT_GUI
2722         GetConsoleHwnd();           /* get value of s_hwnd */
2723 #endif
2724         if (s_hwnd != 0)
2725         {
2726             SetForegroundWindow(s_hwnd);
2727             return 0;
2728         }
2729     }
2730
2731     return DefWindowProc(hwnd, msg, wParam, lParam);
2732 }
2733
2734 /*
2735  * Initialise the message handling process.  This involves creating a window
2736  * to handle messages - the window will not be visible.
2737  */
2738     void
2739 serverInitMessaging(void)
2740 {
2741     WNDCLASS wndclass;
2742     HINSTANCE s_hinst;
2743
2744     /* Clean up on exit */
2745     atexit(CleanUpMessaging);
2746
2747     /* Register a window class - we only really care
2748      * about the window procedure
2749      */
2750     s_hinst = (HINSTANCE)GetModuleHandle(0);
2751     wndclass.style = 0;
2752     wndclass.lpfnWndProc = Messaging_WndProc;
2753     wndclass.cbClsExtra = 0;
2754     wndclass.cbWndExtra = 0;
2755     wndclass.hInstance = s_hinst;
2756     wndclass.hIcon = NULL;
2757     wndclass.hCursor = NULL;
2758     wndclass.hbrBackground = NULL;
2759     wndclass.lpszMenuName = NULL;
2760     wndclass.lpszClassName = VIM_CLASSNAME;
2761     RegisterClass(&wndclass);
2762
2763     /* Create the message window. It will be hidden, so the details don't
2764      * matter.  Don't use WS_OVERLAPPEDWINDOW, it will make a shortcut remove
2765      * focus from gvim. */
2766     message_window = CreateWindow(VIM_CLASSNAME, "",
2767                          WS_POPUPWINDOW | WS_CAPTION,
2768                          CW_USEDEFAULT, CW_USEDEFAULT,
2769                          100, 100, NULL, NULL,
2770                          s_hinst, NULL);
2771 }
2772
2773 /* Used by serverSendToVim() to find an alternate server name. */
2774 static char_u *altname_buf_ptr = NULL;
2775
2776 /*
2777  * Get the title of the window "hwnd", which is the Vim server name, in
2778  * "name[namelen]" and return the length.
2779  * Returns zero if window "hwnd" is not a Vim server.
2780  */
2781     static int
2782 getVimServerName(HWND hwnd, char *name, int namelen)
2783 {
2784     int         len;
2785     char        buffer[VIM_CLASSNAME_LEN + 1];
2786
2787     /* Ignore windows which aren't Vim message windows */
2788     len = GetClassName(hwnd, buffer, sizeof(buffer));
2789     if (len != VIM_CLASSNAME_LEN || STRCMP(buffer, VIM_CLASSNAME) != 0)
2790         return 0;
2791
2792     /* Get the title of the window */
2793     return GetWindowText(hwnd, name, namelen);
2794 }
2795
2796     static BOOL CALLBACK
2797 enumWindowsGetServer(HWND hwnd, LPARAM lparam)
2798 {
2799     struct      server_id *id = (struct server_id *)lparam;
2800     char        server[MAX_PATH];
2801
2802     /* Get the title of the window */
2803     if (getVimServerName(hwnd, server, sizeof(server)) == 0)
2804         return TRUE;
2805
2806     /* If this is the server we're looking for, return its HWND */
2807     if (STRICMP(server, id->name) == 0)
2808     {
2809         id->hwnd = hwnd;
2810         return FALSE;
2811     }
2812
2813     /* If we are looking for an alternate server, remember this name. */
2814     if (altname_buf_ptr != NULL
2815             && STRNICMP(server, id->name, STRLEN(id->name)) == 0
2816             && vim_isdigit(server[STRLEN(id->name)]))
2817     {
2818         STRCPY(altname_buf_ptr, server);
2819         altname_buf_ptr = NULL;     /* don't use another name */
2820     }
2821
2822     /* Otherwise, keep looking */
2823     return TRUE;
2824 }
2825
2826     static BOOL CALLBACK
2827 enumWindowsGetNames(HWND hwnd, LPARAM lparam)
2828 {
2829     garray_T    *ga = (garray_T *)lparam;
2830     char        server[MAX_PATH];
2831
2832     /* Get the title of the window */
2833     if (getVimServerName(hwnd, server, sizeof(server)) == 0)
2834         return TRUE;
2835
2836     /* Add the name to the list */
2837     ga_concat(ga, server);
2838     ga_concat(ga, "\n");
2839     return TRUE;
2840 }
2841
2842     static HWND
2843 findServer(char_u *name)
2844 {
2845     struct server_id id;
2846
2847     id.name = name;
2848     id.hwnd = 0;
2849
2850     EnumWindows(enumWindowsGetServer, (LPARAM)(&id));
2851
2852     return id.hwnd;
2853 }
2854
2855     void
2856 serverSetName(char_u *name)
2857 {
2858     char_u      *ok_name;
2859     HWND        hwnd = 0;
2860     int         i = 0;
2861     char_u      *p;
2862
2863     /* Leave enough space for a 9-digit suffix to ensure uniqueness! */
2864     ok_name = alloc((unsigned)STRLEN(name) + 10);
2865
2866     STRCPY(ok_name, name);
2867     p = ok_name + STRLEN(name);
2868
2869     for (;;)
2870     {
2871         /* This is inefficient - we're doing an EnumWindows loop for each
2872          * possible name. It would be better to grab all names in one go,
2873          * and scan the list each time...
2874          */
2875         hwnd = findServer(ok_name);
2876         if (hwnd == 0)
2877             break;
2878
2879         ++i;
2880         if (i >= 1000)
2881             break;
2882
2883         sprintf((char *)p, "%d", i);
2884     }
2885
2886     if (hwnd != 0)
2887         vim_free(ok_name);
2888     else
2889     {
2890         /* Remember the name */
2891         serverName = ok_name;
2892 #ifdef FEAT_TITLE
2893         need_maketitle = TRUE;  /* update Vim window title later */
2894 #endif
2895
2896         /* Update the message window title */
2897         SetWindowText(message_window, ok_name);
2898
2899 #ifdef FEAT_EVAL
2900         /* Set the servername variable */
2901         set_vim_var_string(VV_SEND_SERVER, serverName, -1);
2902 #endif
2903     }
2904 }
2905
2906     char_u *
2907 serverGetVimNames(void)
2908 {
2909     garray_T ga;
2910
2911     ga_init2(&ga, 1, 100);
2912
2913     EnumWindows(enumWindowsGetNames, (LPARAM)(&ga));
2914     ga_append(&ga, NUL);
2915
2916     return ga.ga_data;
2917 }
2918
2919     int
2920 serverSendReply(name, reply)
2921     char_u      *name;          /* Where to send. */
2922     char_u      *reply;         /* What to send. */
2923 {
2924     HWND        target;
2925     COPYDATASTRUCT data;
2926     long_u      n = 0;
2927
2928     /* The "name" argument is a magic cookie obtained from expand("<client>").
2929      * It should be of the form 0xXXXXX - i.e. a C hex literal, which is the
2930      * value of the client's message window HWND.
2931      */
2932     sscanf((char *)name, SCANF_HEX_LONG_U, &n);
2933     if (n == 0)
2934         return -1;
2935
2936     target = (HWND)n;
2937     if (!IsWindow(target))
2938         return -1;
2939
2940     data.dwData = COPYDATA_REPLY;
2941     data.cbData = (DWORD)STRLEN(reply) + 1;
2942     data.lpData = reply;
2943
2944     serverSendEnc(target);
2945     if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2946                                                              (LPARAM)(&data)))
2947         return 0;
2948
2949     return -1;
2950 }
2951
2952     int
2953 serverSendToVim(name, cmd, result, ptarget, asExpr, silent)
2954     char_u       *name;                 /* Where to send. */
2955     char_u       *cmd;                  /* What to send. */
2956     char_u       **result;              /* Result of eval'ed expression */
2957     void         *ptarget;              /* HWND of server */
2958     int          asExpr;                /* Expression or keys? */
2959     int          silent;                /* don't complain about no server */
2960 {
2961     HWND        target;
2962     COPYDATASTRUCT data;
2963     char_u      *retval = NULL;
2964     int         retcode = 0;
2965     char_u      altname_buf[MAX_PATH];
2966
2967     /* If the server name does not end in a digit then we look for an
2968      * alternate name.  e.g. when "name" is GVIM the we may find GVIM2. */
2969     if (STRLEN(name) > 1 && !vim_isdigit(name[STRLEN(name) - 1]))
2970         altname_buf_ptr = altname_buf;
2971     altname_buf[0] = NUL;
2972     target = findServer(name);
2973     altname_buf_ptr = NULL;
2974     if (target == 0 && altname_buf[0] != NUL)
2975         /* Use another server name we found. */
2976         target = findServer(altname_buf);
2977
2978     if (target == 0)
2979     {
2980         if (!silent)
2981             EMSG2(_(e_noserver), name);
2982         return -1;
2983     }
2984
2985     if (ptarget)
2986         *(HWND *)ptarget = target;
2987
2988     data.dwData = asExpr ? COPYDATA_EXPR : COPYDATA_KEYS;
2989     data.cbData = (DWORD)STRLEN(cmd) + 1;
2990     data.lpData = cmd;
2991
2992     serverSendEnc(target);
2993     if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2994                                                         (LPARAM)(&data)) == 0)
2995         return -1;
2996
2997     if (asExpr)
2998         retval = serverGetReply(target, &retcode, TRUE, TRUE);
2999
3000     if (result == NULL)
3001         vim_free(retval);
3002     else
3003         *result = retval; /* Caller assumes responsibility for freeing */
3004
3005     return retcode;
3006 }
3007
3008 /*
3009  * Bring the server to the foreground.
3010  */
3011     void
3012 serverForeground(name)
3013     char_u      *name;
3014 {
3015     HWND        target = findServer(name);
3016
3017     if (target != 0)
3018         SetForegroundWindow(target);
3019 }
3020
3021 /* Replies from server need to be stored until the client picks them up via
3022  * remote_read(). So we maintain a list of server-id/reply pairs.
3023  * Note that there could be multiple replies from one server pending if the
3024  * client is slow picking them up.
3025  * We just store the replies in a simple list. When we remove an entry, we
3026  * move list entries down to fill the gap.
3027  * The server ID is simply the HWND.
3028  */
3029 typedef struct
3030 {
3031     HWND        server;         /* server window */
3032     char_u      *reply;         /* reply string */
3033     int         expr_result;    /* 0 for REPLY, 1 for RESULT 2 for error */
3034 } reply_T;
3035
3036 static garray_T reply_list = {0, 0, sizeof(reply_T), 5, 0};
3037
3038 #define REPLY_ITEM(i) ((reply_T *)(reply_list.ga_data) + (i))
3039 #define REPLY_COUNT (reply_list.ga_len)
3040
3041 /* Flag which is used to wait for a reply */
3042 static int reply_received = 0;
3043
3044 /*
3045  * Store a reply.  "reply" must be allocated memory (or NULL).
3046  */
3047     static int
3048 save_reply(HWND server, char_u *reply, int expr)
3049 {
3050     reply_T *rep;
3051
3052     if (ga_grow(&reply_list, 1) == FAIL)
3053         return FAIL;
3054
3055     rep = REPLY_ITEM(REPLY_COUNT);
3056     rep->server = server;
3057     rep->reply = reply;
3058     rep->expr_result = expr;
3059     if (rep->reply == NULL)
3060         return FAIL;
3061
3062     ++REPLY_COUNT;
3063     reply_received = 1;
3064     return OK;
3065 }
3066
3067 /*
3068  * Get a reply from server "server".
3069  * When "expr_res" is non NULL, get the result of an expression, otherwise a
3070  * server2client() message.
3071  * When non NULL, point to return code. 0 => OK, -1 => ERROR
3072  * If "remove" is TRUE, consume the message, the caller must free it then.
3073  * if "wait" is TRUE block until a message arrives (or the server exits).
3074  */
3075     char_u *
3076 serverGetReply(HWND server, int *expr_res, int remove, int wait)
3077 {
3078     int         i;
3079     char_u      *reply;
3080     reply_T     *rep;
3081
3082     /* When waiting, loop until the message waiting for is received. */
3083     for (;;)
3084     {
3085         /* Reset this here, in case a message arrives while we are going
3086          * through the already received messages. */
3087         reply_received = 0;
3088
3089         for (i = 0; i < REPLY_COUNT; ++i)
3090         {
3091             rep = REPLY_ITEM(i);
3092             if (rep->server == server
3093                     && ((rep->expr_result != 0) == (expr_res != NULL)))
3094             {
3095                 /* Save the values we've found for later */
3096                 reply = rep->reply;
3097                 if (expr_res != NULL)
3098                     *expr_res = rep->expr_result == 1 ? 0 : -1;
3099
3100                 if (remove)
3101                 {
3102                     /* Move the rest of the list down to fill the gap */
3103                     mch_memmove(rep, rep + 1,
3104                                      (REPLY_COUNT - i - 1) * sizeof(reply_T));
3105                     --REPLY_COUNT;
3106                 }
3107
3108                 /* Return the reply to the caller, who takes on responsibility
3109                  * for freeing it if "remove" is TRUE. */
3110                 return reply;
3111             }
3112         }
3113
3114         /* If we got here, we didn't find a reply. Return immediately if the
3115          * "wait" parameter isn't set.  */
3116         if (!wait)
3117             break;
3118
3119         /* We need to wait for a reply. Enter a message loop until the
3120          * "reply_received" flag gets set. */
3121
3122         /* Loop until we receive a reply */
3123         while (reply_received == 0)
3124         {
3125             /* Wait for a SendMessage() call to us.  This could be the reply
3126              * we are waiting for.  Use a timeout of a second, to catch the
3127              * situation that the server died unexpectedly. */
3128             MsgWaitForMultipleObjects(0, NULL, TRUE, 1000, QS_ALLINPUT);
3129
3130             /* If the server has died, give up */
3131             if (!IsWindow(server))
3132                 return NULL;
3133
3134             serverProcessPendingMessages();
3135         }
3136     }
3137
3138     return NULL;
3139 }
3140
3141 /*
3142  * Process any messages in the Windows message queue.
3143  */
3144     void
3145 serverProcessPendingMessages(void)
3146 {
3147     MSG msg;
3148
3149     while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
3150     {
3151         TranslateMessage(&msg);
3152         DispatchMessage(&msg);
3153     }
3154 }
3155
3156 #endif /* FEAT_CLIENTSERVER */
3157
3158 #if defined(FEAT_GUI) || (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) \
3159         || defined(PROTO)
3160
3161 struct charset_pair
3162 {
3163     char        *name;
3164     BYTE        charset;
3165 };
3166
3167 static struct charset_pair
3168 charset_pairs[] =
3169 {
3170     {"ANSI",            ANSI_CHARSET},
3171     {"CHINESEBIG5",     CHINESEBIG5_CHARSET},
3172     {"DEFAULT",         DEFAULT_CHARSET},
3173     {"HANGEUL",         HANGEUL_CHARSET},
3174     {"OEM",             OEM_CHARSET},
3175     {"SHIFTJIS",        SHIFTJIS_CHARSET},
3176     {"SYMBOL",          SYMBOL_CHARSET},
3177 #ifdef WIN3264
3178     {"ARABIC",          ARABIC_CHARSET},
3179     {"BALTIC",          BALTIC_CHARSET},
3180     {"EASTEUROPE",      EASTEUROPE_CHARSET},
3181     {"GB2312",          GB2312_CHARSET},
3182     {"GREEK",           GREEK_CHARSET},
3183     {"HEBREW",          HEBREW_CHARSET},
3184     {"JOHAB",           JOHAB_CHARSET},
3185     {"MAC",             MAC_CHARSET},
3186     {"RUSSIAN",         RUSSIAN_CHARSET},
3187     {"THAI",            THAI_CHARSET},
3188     {"TURKISH",         TURKISH_CHARSET},
3189 # if (!defined(_MSC_VER) || (_MSC_VER > 1010)) \
3190         && (!defined(__BORLANDC__) || (__BORLANDC__ > 0x0500))
3191     {"VIETNAMESE",      VIETNAMESE_CHARSET},
3192 # endif
3193 #endif
3194     {NULL,              0}
3195 };
3196
3197 /*
3198  * Convert a charset ID to a name.
3199  * Return NULL when not recognized.
3200  */
3201     char *
3202 charset_id2name(int id)
3203 {
3204     struct charset_pair *cp;
3205
3206     for (cp = charset_pairs; cp->name != NULL; ++cp)
3207         if ((BYTE)id == cp->charset)
3208             break;
3209     return cp->name;
3210 }
3211
3212 static const LOGFONT s_lfDefault =
3213 {
3214     -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
3215     OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
3216     PROOF_QUALITY, FIXED_PITCH | FF_DONTCARE,
3217     "Fixedsys"  /* see _ReadVimIni */
3218 };
3219
3220 /* Initialise the "current height" to -12 (same as s_lfDefault) just
3221  * in case the user specifies a font in "guifont" with no size before a font
3222  * with an explicit size has been set. This defaults the size to this value
3223  * (-12 equates to roughly 9pt).
3224  */
3225 int current_font_height = -12;          /* also used in gui_w48.c */
3226
3227 /* Convert a string representing a point size into pixels. The string should
3228  * be a positive decimal number, with an optional decimal point (eg, "12", or
3229  * "10.5"). The pixel value is returned, and a pointer to the next unconverted
3230  * character is stored in *end. The flag "vertical" says whether this
3231  * calculation is for a vertical (height) size or a horizontal (width) one.
3232  */
3233     static int
3234 points_to_pixels(char_u *str, char_u **end, int vertical, long_i pprinter_dc)
3235 {
3236     int         pixels;
3237     int         points = 0;
3238     int         divisor = 0;
3239     HWND        hwnd = (HWND)0;
3240     HDC         hdc;
3241     HDC         printer_dc = (HDC)pprinter_dc;
3242
3243     while (*str != NUL)
3244     {
3245         if (*str == '.' && divisor == 0)
3246         {
3247             /* Start keeping a divisor, for later */
3248             divisor = 1;
3249         }
3250         else
3251         {
3252             if (!VIM_ISDIGIT(*str))
3253                 break;
3254
3255             points *= 10;
3256             points += *str - '0';
3257             divisor *= 10;
3258         }
3259         ++str;
3260     }
3261
3262     if (divisor == 0)
3263         divisor = 1;
3264
3265     if (printer_dc == NULL)
3266     {
3267         hwnd = GetDesktopWindow();
3268         hdc = GetWindowDC(hwnd);
3269     }
3270     else
3271         hdc = printer_dc;
3272
3273     pixels = MulDiv(points,
3274                     GetDeviceCaps(hdc, vertical ? LOGPIXELSY : LOGPIXELSX),
3275                     72 * divisor);
3276
3277     if (printer_dc == NULL)
3278         ReleaseDC(hwnd, hdc);
3279
3280     *end = str;
3281     return pixels;
3282 }
3283
3284 /*ARGSUSED*/
3285     static int CALLBACK
3286 font_enumproc(
3287     ENUMLOGFONT     *elf,
3288     NEWTEXTMETRIC   *ntm,
3289     int             type,
3290     LPARAM          lparam)
3291 {
3292     /* Return value:
3293      *    0 = terminate now (monospace & ANSI)
3294      *    1 = continue, still no luck...
3295      *    2 = continue, but we have an acceptable LOGFONT
3296      *        (monospace, not ANSI)
3297      * We use these values, as EnumFontFamilies returns 1 if the
3298      * callback function is never called. So, we check the return as
3299      * 0 = perfect, 2 = OK, 1 = no good...
3300      * It's not pretty, but it works!
3301      */
3302
3303     LOGFONT *lf = (LOGFONT *)(lparam);
3304
3305 #ifndef FEAT_PROPORTIONAL_FONTS
3306     /* Ignore non-monospace fonts without further ado */
3307     if ((ntm->tmPitchAndFamily & 1) != 0)
3308         return 1;
3309 #endif
3310
3311     /* Remember this LOGFONT as a "possible" */
3312     *lf = elf->elfLogFont;
3313
3314     /* Terminate the scan as soon as we find an ANSI font */
3315     if (lf->lfCharSet == ANSI_CHARSET
3316             || lf->lfCharSet == OEM_CHARSET
3317             || lf->lfCharSet == DEFAULT_CHARSET)
3318         return 0;
3319
3320     /* Continue the scan - we have a non-ANSI font */
3321     return 2;
3322 }
3323
3324     static int
3325 init_logfont(LOGFONT *lf)
3326 {
3327     int         n;
3328     HWND        hwnd = GetDesktopWindow();
3329     HDC         hdc = GetWindowDC(hwnd);
3330
3331     n = EnumFontFamilies(hdc,
3332                          (LPCSTR)lf->lfFaceName,
3333                          (FONTENUMPROC)font_enumproc,
3334                          (LPARAM)lf);
3335
3336     ReleaseDC(hwnd, hdc);
3337
3338     /* If we couldn't find a useable font, return failure */
3339     if (n == 1)
3340         return FAIL;
3341
3342     /* Tidy up the rest of the LOGFONT structure. We set to a basic
3343      * font - get_logfont() sets bold, italic, etc based on the user's
3344      * input.
3345      */
3346     lf->lfHeight = current_font_height;
3347     lf->lfWidth = 0;
3348     lf->lfItalic = FALSE;
3349     lf->lfUnderline = FALSE;
3350     lf->lfStrikeOut = FALSE;
3351     lf->lfWeight = FW_NORMAL;
3352
3353     /* Return success */
3354     return OK;
3355 }
3356
3357 /*
3358  * Get font info from "name" into logfont "lf".
3359  * Return OK for a valid name, FAIL otherwise.
3360  */
3361     int
3362 get_logfont(
3363     LOGFONT     *lf,
3364     char_u      *name,
3365     HDC         printer_dc,
3366     int         verbose)
3367 {
3368     char_u      *p;
3369     int         i;
3370     static LOGFONT *lastlf = NULL;
3371
3372     *lf = s_lfDefault;
3373     if (name == NULL)
3374         return OK;
3375
3376     if (STRCMP(name, "*") == 0)
3377     {
3378 #if defined(FEAT_GUI_W32)
3379         CHOOSEFONT      cf;
3380         /* if name is "*", bring up std font dialog: */
3381         memset(&cf, 0, sizeof(cf));
3382         cf.lStructSize = sizeof(cf);
3383         cf.hwndOwner = s_hwnd;
3384         cf.Flags = CF_SCREENFONTS | CF_FIXEDPITCHONLY | CF_INITTOLOGFONTSTRUCT;
3385         if (lastlf != NULL)
3386             *lf = *lastlf;
3387         cf.lpLogFont = lf;
3388         cf.nFontType = 0 ; //REGULAR_FONTTYPE;
3389         if (ChooseFont(&cf))
3390             goto theend;
3391 #else
3392         return FAIL;
3393 #endif
3394     }
3395
3396     /*
3397      * Split name up, it could be <name>:h<height>:w<width> etc.
3398      */
3399     for (p = name; *p && *p != ':'; p++)
3400     {
3401         if (p - name + 1 > LF_FACESIZE)
3402             return FAIL;                        /* Name too long */
3403         lf->lfFaceName[p - name] = *p;
3404     }
3405     if (p != name)
3406         lf->lfFaceName[p - name] = NUL;
3407
3408     /* First set defaults */
3409     lf->lfHeight = -12;
3410     lf->lfWidth = 0;
3411     lf->lfWeight = FW_NORMAL;
3412     lf->lfItalic = FALSE;
3413     lf->lfUnderline = FALSE;
3414     lf->lfStrikeOut = FALSE;
3415
3416     /*
3417      * If the font can't be found, try replacing '_' by ' '.
3418      */
3419     if (init_logfont(lf) == FAIL)
3420     {
3421         int     did_replace = FALSE;
3422
3423         for (i = 0; lf->lfFaceName[i]; ++i)
3424             if (lf->lfFaceName[i] == '_')
3425             {
3426                 lf->lfFaceName[i] = ' ';
3427                 did_replace = TRUE;
3428             }
3429         if (!did_replace || init_logfont(lf) == FAIL)
3430             return FAIL;
3431     }
3432
3433     while (*p == ':')
3434         p++;
3435
3436     /* Set the values found after ':' */
3437     while (*p)
3438     {
3439         switch (*p++)
3440         {
3441             case 'h':
3442                 lf->lfHeight = - points_to_pixels(p, &p, TRUE, (long_i)printer_dc);
3443                 break;
3444             case 'w':
3445                 lf->lfWidth = points_to_pixels(p, &p, FALSE, (long_i)printer_dc);
3446                 break;
3447             case 'b':
3448 #ifndef MSWIN16_FASTTEXT
3449                 lf->lfWeight = FW_BOLD;
3450 #endif
3451                 break;
3452             case 'i':
3453 #ifndef MSWIN16_FASTTEXT
3454                 lf->lfItalic = TRUE;
3455 #endif
3456                 break;
3457             case 'u':
3458                 lf->lfUnderline = TRUE;
3459                 break;
3460             case 's':
3461                 lf->lfStrikeOut = TRUE;
3462                 break;
3463             case 'c':
3464                 {
3465                     struct charset_pair *cp;
3466
3467                     for (cp = charset_pairs; cp->name != NULL; ++cp)
3468                         if (STRNCMP(p, cp->name, strlen(cp->name)) == 0)
3469                         {
3470                             lf->lfCharSet = cp->charset;
3471                             p += strlen(cp->name);
3472                             break;
3473                         }
3474                     if (cp->name == NULL && verbose)
3475                     {
3476                         vim_snprintf((char *)IObuff, IOSIZE,
3477                                 _("E244: Illegal charset name \"%s\" in font name \"%s\""), p, name);
3478                         EMSG(IObuff);
3479                         break;
3480                     }
3481                     break;
3482                 }
3483             default:
3484                 if (verbose)
3485                 {
3486                     vim_snprintf((char *)IObuff, IOSIZE,
3487                             _("E245: Illegal char '%c' in font name \"%s\""),
3488                             p[-1], name);
3489                     EMSG(IObuff);
3490                 }
3491                 return FAIL;
3492         }
3493         while (*p == ':')
3494             p++;
3495     }
3496
3497 #if defined(FEAT_GUI_W32)
3498 theend:
3499 #endif
3500     /* ron: init lastlf */
3501     if (printer_dc == NULL)
3502     {
3503         vim_free(lastlf);
3504         lastlf = (LOGFONT *)alloc(sizeof(LOGFONT));
3505         if (lastlf != NULL)
3506             mch_memmove(lastlf, lf, sizeof(LOGFONT));
3507     }
3508
3509     return OK;
3510 }
3511
3512 #endif /* defined(FEAT_GUI) || defined(FEAT_PRINTER) */