Merged from the latest developing branch.
[MacVim.git] / src / os_mswin.c
blob618fc80db75f0bc07f8fcab69c7a446a7e9344ac
1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
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 */
11 * os_mswin.c
13 * Routines common to both Win16 and Win32.
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
25 #include "vimio.h"
26 #include "vim.h"
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>
39 #undef chdir
40 #ifdef __GNUC__
41 # ifndef __MINGW32__
42 # include <dirent.h>
43 # endif
44 #else
45 # include <direct.h>
46 #endif
48 #if defined(FEAT_TITLE) && !defined(FEAT_GUI_W32)
49 # include <shellapi.h>
50 #endif
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
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
80 * EventFlags
82 # ifndef MOUSE_MOVED
83 # define MOUSE_MOVED 0x0001
84 # endif
85 # ifndef DOUBLE_CLICK
86 # define DOUBLE_CLICK 0x0002
87 # endif
88 #endif
91 * When generating prototypes for Win32 on Unix, these lines make the syntax
92 * errors disappear. They do not need to be correct.
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
137 /* Record all output and all keyboard & mouse input */
138 /* #define MCH_WRITE_DUMP */
140 #ifdef MCH_WRITE_DUMP
141 FILE* fdDump = NULL;
142 #endif
144 #ifdef WIN3264
145 extern DWORD g_PlatformId;
146 #endif
148 #ifndef FEAT_GUI_MSWIN
149 extern char g_szOrigTitle[];
150 #endif
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
158 extern int WSInitialized;
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)
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);
173 char * _fullpath(char *buf, char *fname, int len)
175 LPTSTR toss;
177 return (char *)GetFullPathName(fname, len, buf, &toss);
179 # endif
181 int _chdrive(int drive)
183 char temp [3] = "-:";
184 temp[0] = drive + 'A' - 1;
185 return !SetCurrentDirectory(temp);
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)
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
205 # endif
206 # endif
207 #endif
210 #if defined(FEAT_GUI_MSWIN) || defined(PROTO)
212 * GUI version of mch_exit().
213 * Shut down and exit with status `r'
214 * Careful: mch_exit() may be called before mch_init()!
216 void
217 mch_exit(int r)
219 display_errors();
221 ml_close_all(TRUE); /* remove all memfiles */
223 # ifdef FEAT_OLE
224 UninitOLE();
225 # endif
226 # ifdef FEAT_NETBEANS_INTG
227 if (WSInitialized)
229 WSInitialized = FALSE;
230 WSACleanup();
232 # endif
233 #ifdef DYNAMIC_GETTEXT
234 dyn_libintl_end();
235 #endif
237 if (gui.in_use)
238 gui_exit(r);
240 #ifdef EXITFREE
241 free_all_mem();
242 #endif
244 exit(r);
247 #endif /* FEAT_GUI_MSWIN */
251 * Init the tables for toupper() and tolower().
253 void
254 mch_early_init(void)
256 int i;
258 #ifdef WIN3264
259 PlatformId();
260 #endif
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
273 #if defined(FEAT_MBYTE) && !defined(FEAT_GUI)
274 (void)get_cmd_argsW(NULL);
275 #endif
280 * Return TRUE if the input comes from a terminal, FALSE otherwise.
283 mch_input_isatty()
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
294 #ifdef FEAT_TITLE
296 * mch_settitle(): set titlebar of our window
298 void
299 mch_settitle(
300 char_u *title,
301 char_u *icon)
303 # ifdef FEAT_GUI_MSWIN
304 gui_mch_settitle(title, icon);
305 # else
306 if (title != NULL)
308 # ifdef FEAT_MBYTE
309 if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
311 /* Convert the title from 'encoding' to the active codepage. */
312 WCHAR *wp = enc_to_ucs2(title, NULL);
313 int n;
315 if (wp != NULL)
317 n = SetConsoleTitleW(wp);
318 vim_free(wp);
319 if (n != 0 || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
320 return;
323 # endif
324 SetConsoleTitle(title);
326 # endif
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)
337 /*ARGSUSED*/
338 void
339 mch_restore_title(
340 int which)
342 #ifndef FEAT_GUI_MSWIN
343 mch_settitle((which & 1) ? g_szOrigTitle : NULL, NULL);
344 #endif
349 * Return TRUE if we can restore the title (we can)
352 mch_can_restore_title()
354 return TRUE;
359 * Return TRUE if we can restore the icon title (we can't)
362 mch_can_restore_icon()
364 return FALSE;
366 #endif /* FEAT_TITLE */
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.
376 /*ARGSUSED*/
378 mch_FullName(
379 char_u *fname,
380 char_u *buf,
381 int len,
382 int force)
384 int nResult = FAIL;
386 #ifdef __BORLANDC__
387 if (*fname == NUL) /* Borland behaves badly here - make it consistent */
388 nResult = mch_dirname(buf, len);
389 else
390 #endif
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
400 WCHAR *wname;
401 WCHAR wbuf[MAX_PATH];
402 char_u *cname = NULL;
404 /* Use the wide function:
405 * - convert the fname from 'encoding' to UCS2.
406 * - invoke _wfullpath()
407 * - convert the result from UCS2 to 'encoding'.
409 wname = enc_to_ucs2(fname, NULL);
410 if (wname != NULL && _wfullpath(wbuf, wname, MAX_PATH - 1) != NULL)
412 cname = ucs2_to_enc((short_u *)wbuf, NULL);
413 if (cname != NULL)
415 vim_strncpy(buf, cname, len - 1);
416 nResult = OK;
419 vim_free(wname);
420 vim_free(cname);
422 if (nResult == FAIL) /* fall back to non-wide function */
423 #endif
425 if (_fullpath(buf, fname, len - 1) == NULL)
427 /* failed, use relative path name */
428 vim_strncpy(buf, fname, len - 1);
430 else
431 nResult = OK;
435 #ifdef USE_FNAME_CASE
436 fname_case(buf, len);
437 #else
438 slash_adjust(buf);
439 #endif
441 return nResult;
446 * Return TRUE if "fname" does not depend on the current directory.
449 mch_isFullName(char_u *fname)
451 char szName[_MAX_PATH + 1];
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;
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;
462 return pathcmp(fname, szName, -1) == 0;
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.
474 void
475 slash_adjust(p)
476 char_u *p;
478 while (*p)
480 if (*p == psepcN)
481 *p = psepc;
482 mb_ptr_adv(p);
488 * stat() can't handle a trailing '/' or '\', remove it first.
491 vim_stat(const char *name, struct stat *stp)
493 char buf[_MAX_PATH + 1];
494 char *p;
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
510 WCHAR *wp = enc_to_ucs2(buf, NULL);
511 int n;
513 if (wp != NULL)
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. */
524 #endif
525 return stat(buf, stp);
528 #if defined(FEAT_GUI_MSWIN) || defined(PROTO)
529 /*ARGSUSED*/
530 void
531 mch_settmode(int tmode)
533 /* nothing to do */
537 mch_get_shellsize(void)
539 /* never used */
540 return OK;
543 void
544 mch_set_shellsize(void)
546 /* never used */
550 * Rows and/or Columns has changed.
552 void
553 mch_new_shellsize(void)
555 /* never used */
558 #endif
561 * We have no job control, so fake it by starting a new shell.
563 void
564 mch_suspend()
566 suspend_shell();
569 #if defined(USE_MCH_ERRMSG) || defined(PROTO)
571 #ifdef display_errors
572 # undef display_errors
573 #endif
576 * Display the saved error message(s).
578 void
579 display_errors()
581 char *p;
583 if (error_ga.ga_data != NULL)
585 /* avoid putting up a message box with blanks only */
586 for (p = (char *)error_ga.ga_data; *p; ++p)
587 if (!isspace(*p))
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;
601 ga_clear(&error_ga);
604 #endif
608 * Return TRUE if "p" contain a wildcard that can be expanded by
609 * dos_expandpath().
612 mch_has_exp_wildcard(char_u *p)
614 for ( ; *p; mb_ptr_adv(p))
616 if (vim_strchr((char_u *)"?*[", *p) != NULL
617 || (*p == '~' && p[1] != NUL))
618 return TRUE;
620 return FALSE;
624 * Return TRUE if "p" contain a wildcard or a "~1" kind of thing (could be a
625 * shortened file name).
628 mch_has_wildcard(char_u *p)
630 for ( ; *p; mb_ptr_adv(p))
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;
642 return FALSE;
647 * The normal _chdir() does not change the default drive. This one does.
648 * Returning 0 implies success; -1 implies failure.
651 mch_chdir(char *path)
653 if (path[0] == NUL) /* just checking... */
654 return -1;
656 if (isalpha(path[0]) && path[1] == ':') /* has a drive name */
658 /* If we can change to the drive, skip that part of the path. If we
659 * can't then the current directory may be invalid, try using chdir()
660 * with the whole path. */
661 if (_chdrive(TOLOWER_ASC(path[0]) - 'a' + 1) == 0)
662 path += 2;
665 if (*path == NUL) /* drive name only */
666 return 0;
668 #ifdef FEAT_MBYTE
669 if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
671 WCHAR *p = enc_to_ucs2(path, NULL);
672 int n;
674 if (p != NULL)
676 n = _wchdir(p);
677 vim_free(p);
678 if (n == 0)
679 return 0;
680 /* Retry with non-wide function (for Windows 98). */
683 #endif
685 return chdir(path); /* let the normal chdir() do the rest */
690 * Switching off termcap mode is only allowed when Columns is 80, otherwise a
691 * crash may result. It's always allowed on NT or when running the GUI.
693 /*ARGSUSED*/
695 can_end_termcap_mode(
696 int give_msg)
698 #ifdef FEAT_GUI_MSWIN
699 return TRUE; /* GUI starts a new console anyway */
700 #else
701 if (g_PlatformId == VER_PLATFORM_WIN32_NT || Columns == 80)
702 return TRUE;
703 if (give_msg)
704 msg(_("'columns' is not 80, cannot execute external commands"));
705 return FALSE;
706 #endif
709 #ifdef FEAT_GUI_MSWIN
711 * return non-zero if a character is available
714 mch_char_avail()
716 /* never used */
717 return TRUE;
719 #endif
723 * set screen mode, always fails.
725 /*ARGSUSED*/
727 mch_screenmode(
728 char_u *arg)
730 EMSG(_(e_screenmode));
731 return FAIL;
735 #if defined(FEAT_LIBCALL) || defined(PROTO)
737 * Call a DLL routine which takes either a string or int param
738 * and returns an allocated string.
739 * Return OK if it worked, FAIL if not.
741 # ifdef WIN3264
742 typedef LPTSTR (*MYSTRPROCSTR)(LPTSTR);
743 typedef LPTSTR (*MYINTPROCSTR)(int);
744 typedef int (*MYSTRPROCINT)(LPTSTR);
745 typedef int (*MYINTPROCINT)(int);
746 # else
747 typedef LPSTR (*MYSTRPROCSTR)(LPSTR);
748 typedef LPSTR (*MYINTPROCSTR)(int);
749 typedef int (*MYSTRPROCINT)(LPSTR);
750 typedef int (*MYINTPROCINT)(int);
751 # endif
753 # ifndef WIN16
755 * Check if a pointer points to a valid NUL terminated string.
756 * Return the length of the string, including terminating NUL.
757 * Returns 0 for an invalid pointer, 1 for an empty string.
759 static size_t
760 check_str_len(char_u *str)
762 SYSTEM_INFO si;
763 MEMORY_BASIC_INFORMATION mbi;
764 size_t length = 0;
765 size_t i;
766 const char *p;
768 /* get page size */
769 GetSystemInfo(&si);
771 /* get memory information */
772 if (VirtualQuery(str, &mbi, sizeof(mbi)))
774 /* pre cast these (typing savers) */
775 long_u dwStr = (long_u)str;
776 long_u dwBaseAddress = (long_u)mbi.BaseAddress;
778 /* get start address of page that str is on */
779 long_u strPage = dwStr - (dwStr - dwBaseAddress) % si.dwPageSize;
781 /* get length from str to end of page */
782 long_u pageLength = si.dwPageSize - (dwStr - strPage);
784 for (p = str; !IsBadReadPtr(p, pageLength);
785 p += pageLength, pageLength = si.dwPageSize)
786 for (i = 0; i < pageLength; ++i, ++length)
787 if (p[i] == NUL)
788 return length + 1;
791 return 0;
793 # endif
796 mch_libcall(
797 char_u *libname,
798 char_u *funcname,
799 char_u *argstring, /* NULL when using a argint */
800 int argint,
801 char_u **string_result,/* NULL when using number_result */
802 int *number_result)
804 HINSTANCE hinstLib;
805 MYSTRPROCSTR ProcAdd;
806 MYINTPROCSTR ProcAddI;
807 char_u *retval_str = NULL;
808 int retval_int = 0;
809 size_t len;
811 BOOL fRunTimeLinkSuccess = FALSE;
813 // Get a handle to the DLL module.
814 hinstLib = LoadLibrary(libname);
816 // If the handle is valid, try to get the function address.
817 if (hinstLib != NULL)
819 #ifdef HAVE_TRY_EXCEPT
820 __try
822 #endif
823 if (argstring != NULL)
825 /* Call with string argument */
826 ProcAdd = (MYSTRPROCSTR) GetProcAddress(hinstLib, funcname);
827 if ((fRunTimeLinkSuccess = (ProcAdd != NULL)) != 0)
829 if (string_result == NULL)
830 retval_int = ((MYSTRPROCINT)ProcAdd)(argstring);
831 else
832 retval_str = (ProcAdd)(argstring);
835 else
837 /* Call with number argument */
838 ProcAddI = (MYINTPROCSTR) GetProcAddress(hinstLib, funcname);
839 if ((fRunTimeLinkSuccess = (ProcAddI != NULL)) != 0)
841 if (string_result == NULL)
842 retval_int = ((MYINTPROCINT)ProcAddI)(argint);
843 else
844 retval_str = (ProcAddI)(argint);
848 // Save the string before we free the library.
849 // Assume that a "1" result is an illegal pointer.
850 if (string_result == NULL)
851 *number_result = retval_int;
852 else if (retval_str != NULL
853 # ifdef WIN16
854 && retval_str != (char_u *)1
855 && retval_str != (char_u *)-1
856 && !IsBadStringPtr(retval_str, INT_MAX)
857 && (len = strlen(retval_str) + 1) > 0
858 # else
859 && (len = check_str_len(retval_str)) > 0
860 # endif
863 *string_result = lalloc((long_u)len, TRUE);
864 if (*string_result != NULL)
865 mch_memmove(*string_result, retval_str, len);
868 #ifdef HAVE_TRY_EXCEPT
870 __except(EXCEPTION_EXECUTE_HANDLER)
872 if (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW)
873 RESETSTKOFLW();
874 fRunTimeLinkSuccess = 0;
876 #endif
878 // Free the DLL module.
879 (void)FreeLibrary(hinstLib);
882 if (!fRunTimeLinkSuccess)
884 EMSG2(_(e_libcall), funcname);
885 return FAIL;
888 return OK;
890 #endif
892 #if defined(FEAT_MBYTE) || defined(PROTO)
894 * Convert an UTF-8 string to UCS-2.
895 * "instr[inlen]" is the input. "inlen" is in bytes.
896 * When "outstr" is NULL only return the number of UCS-2 words produced.
897 * Otherwise "outstr" must be a buffer of sufficient size.
898 * Returns the number of UCS-2 words produced.
901 utf8_to_ucs2(char_u *instr, int inlen, short_u *outstr, int *unconvlenp)
903 int outlen = 0;
904 char_u *p = instr;
905 int todo = inlen;
906 int l;
908 while (todo > 0)
910 /* Only convert if we have a complete sequence. */
911 l = utf_ptr2len_len(p, todo);
912 if (l > todo)
914 /* Return length of incomplete sequence. */
915 if (unconvlenp != NULL)
916 *unconvlenp = todo;
917 break;
920 if (outstr != NULL)
921 *outstr++ = utf_ptr2char(p);
922 ++outlen;
923 p += l;
924 todo -= l;
927 return outlen;
931 * Convert an UCS-2 string to UTF-8.
932 * The input is "instr[inlen]" with "inlen" in number of ucs-2 words.
933 * When "outstr" is NULL only return the required number of bytes.
934 * Otherwise "outstr" must be a buffer of sufficient size.
935 * Return the number of bytes produced.
938 ucs2_to_utf8(short_u *instr, int inlen, char_u *outstr)
940 int outlen = 0;
941 int todo = inlen;
942 short_u *p = instr;
943 int l;
945 while (todo > 0)
947 if (outstr != NULL)
949 l = utf_char2bytes(*p, outstr);
950 outstr += l;
952 else
953 l = utf_char2len(*p);
954 ++p;
955 outlen += l;
956 --todo;
959 return outlen;
963 * Call MultiByteToWideChar() and allocate memory for the result.
964 * Returns the result in "*out[*outlen]" with an extra zero appended.
965 * "outlen" is in words.
967 void
968 MultiByteToWideChar_alloc(UINT cp, DWORD flags,
969 LPCSTR in, int inlen,
970 LPWSTR *out, int *outlen)
972 *outlen = MultiByteToWideChar(cp, flags, in, inlen, 0, 0);
973 /* Add one one word to avoid a zero-length alloc(). */
974 *out = (LPWSTR)alloc(sizeof(WCHAR) * (*outlen + 1));
975 if (*out != NULL)
977 MultiByteToWideChar(cp, flags, in, inlen, *out, *outlen);
978 (*out)[*outlen] = 0;
983 * Call WideCharToMultiByte() and allocate memory for the result.
984 * Returns the result in "*out[*outlen]" with an extra NUL appended.
986 void
987 WideCharToMultiByte_alloc(UINT cp, DWORD flags,
988 LPCWSTR in, int inlen,
989 LPSTR *out, int *outlen,
990 LPCSTR def, LPBOOL useddef)
992 *outlen = WideCharToMultiByte(cp, flags, in, inlen, NULL, 0, def, useddef);
993 /* Add one one byte to avoid a zero-length alloc(). */
994 *out = alloc((unsigned)*outlen + 1);
995 if (*out != NULL)
997 WideCharToMultiByte(cp, flags, in, inlen, *out, *outlen, def, useddef);
998 (*out)[*outlen] = 0;
1002 #endif /* FEAT_MBYTE */
1004 #ifdef FEAT_CLIPBOARD
1006 * Clipboard stuff, for cutting and pasting text to other windows.
1009 /* Type used for the clipboard type of Vim's data. */
1010 typedef struct
1012 int type; /* MCHAR, MBLOCK or MLINE */
1013 int txtlen; /* length of CF_TEXT in bytes */
1014 int ucslen; /* length of CF_UNICODETEXT in words */
1015 int rawlen; /* length of clip_star.format_raw, including encoding,
1016 excluding terminating NUL */
1017 } VimClipType_t;
1020 * Make vim the owner of the current selection. Return OK upon success.
1022 /*ARGSUSED*/
1024 clip_mch_own_selection(VimClipboard *cbd)
1027 * Never actually own the clipboard. If another application sets the
1028 * clipboard, we don't want to think that we still own it.
1030 return FAIL;
1034 * Make vim NOT the owner of the current selection.
1036 /*ARGSUSED*/
1037 void
1038 clip_mch_lose_selection(VimClipboard *cbd)
1040 /* Nothing needs to be done here */
1044 * Copy "str[*size]" into allocated memory, changing CR-NL to NL.
1045 * Return the allocated result and the size in "*size".
1046 * Returns NULL when out of memory.
1048 static char_u *
1049 crnl_to_nl(const char_u *str, int *size)
1051 int pos = 0;
1052 int str_len = *size;
1053 char_u *ret;
1054 char_u *retp;
1056 /* Avoid allocating zero bytes, it generates an error message. */
1057 ret = lalloc((long_u)(str_len == 0 ? 1 : str_len), TRUE);
1058 if (ret != NULL)
1060 retp = ret;
1061 for (pos = 0; pos < str_len; ++pos)
1063 if (str[pos] == '\r' && str[pos + 1] == '\n')
1065 ++pos;
1066 --(*size);
1068 *retp++ = str[pos];
1072 return ret;
1075 #if defined(FEAT_MBYTE) || defined(PROTO)
1077 * Note: the following two functions are only guaranteed to work when using
1078 * valid MS-Windows codepages or when iconv() is available.
1082 * Convert "str" from 'encoding' to UCS-2.
1083 * Input in "str" with length "*lenp". When "lenp" is NULL, use strlen().
1084 * Output is returned as an allocated string. "*lenp" is set to the length of
1085 * the result. A trailing NUL is always added.
1086 * Returns NULL when out of memory.
1088 short_u *
1089 enc_to_ucs2(char_u *str, int *lenp)
1091 vimconv_T conv;
1092 WCHAR *ret;
1093 char_u *allocbuf = NULL;
1094 int len_loc;
1095 int length;
1097 if (lenp == NULL)
1099 len_loc = (int)STRLEN(str) + 1;
1100 lenp = &len_loc;
1103 if (enc_codepage > 0)
1105 /* We can do any CP### -> UCS-2 in one pass, and we can do it
1106 * without iconv() (convert_* may need iconv). */
1107 MultiByteToWideChar_alloc(enc_codepage, 0, str, *lenp, &ret, &length);
1109 else
1111 /* Use "latin1" by default, we might be called before we have p_enc
1112 * set up. Convert to utf-8 first, works better with iconv(). Does
1113 * nothing if 'encoding' is "utf-8". */
1114 conv.vc_type = CONV_NONE;
1115 if (convert_setup(&conv, p_enc ? p_enc : (char_u *)"latin1",
1116 (char_u *)"utf-8") == FAIL)
1117 return NULL;
1118 if (conv.vc_type != CONV_NONE)
1120 str = allocbuf = string_convert(&conv, str, lenp);
1121 if (str == NULL)
1122 return NULL;
1124 convert_setup(&conv, NULL, NULL);
1126 length = utf8_to_ucs2(str, *lenp, NULL, NULL);
1127 ret = (WCHAR *)alloc((unsigned)((length + 1) * sizeof(WCHAR)));
1128 if (ret != NULL)
1130 utf8_to_ucs2(str, *lenp, (short_u *)ret, NULL);
1131 ret[length] = 0;
1134 vim_free(allocbuf);
1137 *lenp = length;
1138 return (short_u *)ret;
1142 * Convert an UCS-2 string to 'encoding'.
1143 * Input in "str" with length (counted in wide characters) "*lenp". When
1144 * "lenp" is NULL, use wcslen().
1145 * Output is returned as an allocated string. If "*lenp" is not NULL it is
1146 * set to the length of the result.
1147 * Returns NULL when out of memory.
1149 char_u *
1150 ucs2_to_enc(short_u *str, int *lenp)
1152 vimconv_T conv;
1153 char_u *utf8_str = NULL, *enc_str = NULL;
1154 int len_loc;
1156 if (lenp == NULL)
1158 len_loc = (int)wcslen(str) + 1;
1159 lenp = &len_loc;
1162 if (enc_codepage > 0)
1164 /* We can do any UCS-2 -> CP### in one pass. */
1165 int length;
1167 WideCharToMultiByte_alloc(enc_codepage, 0, str, *lenp,
1168 (LPSTR *)&enc_str, &length, 0, 0);
1169 *lenp = length;
1170 return enc_str;
1173 /* Avoid allocating zero bytes, it generates an error message. */
1174 utf8_str = alloc(ucs2_to_utf8(str, *lenp == 0 ? 1 : *lenp, NULL));
1175 if (utf8_str != NULL)
1177 *lenp = ucs2_to_utf8(str, *lenp, utf8_str);
1179 /* We might be called before we have p_enc set up. */
1180 conv.vc_type = CONV_NONE;
1181 convert_setup(&conv, (char_u *)"utf-8",
1182 p_enc? p_enc: (char_u *)"latin1");
1183 if (conv.vc_type == CONV_NONE)
1185 /* p_enc is utf-8, so we're done. */
1186 enc_str = utf8_str;
1188 else
1190 enc_str = string_convert(&conv, utf8_str, lenp);
1191 vim_free(utf8_str);
1194 convert_setup(&conv, NULL, NULL);
1197 return enc_str;
1199 #endif /* FEAT_MBYTE */
1202 * Get the current selection and put it in the clipboard register.
1204 * NOTE: Must use GlobalLock/Unlock here to ensure Win32s compatibility.
1205 * On NT/W95 the clipboard data is a fixed global memory object and
1206 * so its handle = its pointer.
1207 * On Win32s, however, co-operation with the Win16 system means that
1208 * the clipboard data is moveable and its handle is not a pointer at all,
1209 * so we can't just cast the return value of GetClipboardData to (char_u*).
1210 * <VN>
1212 void
1213 clip_mch_request_selection(VimClipboard *cbd)
1215 VimClipType_t metadata = { -1, -1, -1, -1 };
1216 HGLOBAL hMem = NULL;
1217 char_u *str = NULL;
1218 #if defined(FEAT_MBYTE) && defined(WIN3264)
1219 char_u *to_free = NULL;
1220 #endif
1221 #ifdef FEAT_MBYTE
1222 HGLOBAL rawh = NULL;
1223 #endif
1224 int str_size = 0;
1225 int maxlen;
1226 size_t n;
1229 * Don't pass GetActiveWindow() as an argument to OpenClipboard() because
1230 * then we can't paste back into the same window for some reason - webb.
1232 if (!OpenClipboard(NULL))
1233 return;
1235 /* Check for vim's own clipboard format first. This only gets the type of
1236 * the data, still need to use CF_UNICODETEXT or CF_TEXT for the text. */
1237 if (IsClipboardFormatAvailable(cbd->format))
1239 VimClipType_t *meta_p;
1240 HGLOBAL meta_h;
1242 /* We have metadata on the clipboard; try to get it. */
1243 if ((meta_h = GetClipboardData(cbd->format)) != NULL
1244 && (meta_p = (VimClipType_t *)GlobalLock(meta_h)) != NULL)
1246 /* The size of "VimClipType_t" changed, "rawlen" was added later.
1247 * Only copy what is available for backwards compatibility. */
1248 n = sizeof(VimClipType_t);
1249 if (GlobalSize(meta_h) < n)
1250 n = GlobalSize(meta_h);
1251 memcpy(&metadata, meta_p, n);
1252 GlobalUnlock(meta_h);
1256 #ifdef FEAT_MBYTE
1257 /* Check for Vim's raw clipboard format first. This is used without
1258 * conversion, but only if 'encoding' matches. */
1259 if (IsClipboardFormatAvailable(cbd->format_raw)
1260 && metadata.rawlen > (int)STRLEN(p_enc))
1262 /* We have raw data on the clipboard; try to get it. */
1263 if ((rawh = GetClipboardData(cbd->format_raw)) != NULL)
1265 char_u *rawp;
1267 rawp = (char_u *)GlobalLock(rawh);
1268 if (rawp != NULL && STRCMP(p_enc, rawp) == 0)
1270 n = STRLEN(p_enc) + 1;
1271 str = rawp + n;
1272 str_size = (int)(metadata.rawlen - n);
1274 else
1276 GlobalUnlock(rawh);
1277 rawh = NULL;
1281 if (str == NULL)
1283 #endif
1285 #if defined(FEAT_MBYTE) && defined(WIN3264)
1286 /* Try to get the clipboard in Unicode if it's not an empty string. */
1287 if (IsClipboardFormatAvailable(CF_UNICODETEXT) && metadata.ucslen != 0)
1289 HGLOBAL hMemW;
1291 if ((hMemW = GetClipboardData(CF_UNICODETEXT)) != NULL)
1293 WCHAR *hMemWstr = (WCHAR *)GlobalLock(hMemW);
1295 /* Use the length of our metadata if possible, but limit it to the
1296 * GlobalSize() for safety. */
1297 maxlen = (int)(GlobalSize(hMemW) / sizeof(WCHAR));
1298 if (metadata.ucslen >= 0)
1300 if (metadata.ucslen > maxlen)
1301 str_size = maxlen;
1302 else
1303 str_size = metadata.ucslen;
1305 else
1307 for (str_size = 0; str_size < maxlen; ++str_size)
1308 if (hMemWstr[str_size] == NUL)
1309 break;
1311 to_free = str = ucs2_to_enc((short_u *)hMemWstr, &str_size);
1312 GlobalUnlock(hMemW);
1315 else
1316 #endif
1317 /* Get the clipboard in the Active codepage. */
1318 if (IsClipboardFormatAvailable(CF_TEXT))
1320 if ((hMem = GetClipboardData(CF_TEXT)) != NULL)
1322 str = (char_u *)GlobalLock(hMem);
1324 /* The length is either what our metadata says or the strlen().
1325 * But limit it to the GlobalSize() for safety. */
1326 maxlen = (int)GlobalSize(hMem);
1327 if (metadata.txtlen >= 0)
1329 if (metadata.txtlen > maxlen)
1330 str_size = maxlen;
1331 else
1332 str_size = metadata.txtlen;
1334 else
1336 for (str_size = 0; str_size < maxlen; ++str_size)
1337 if (str[str_size] == NUL)
1338 break;
1341 # if defined(FEAT_MBYTE) && defined(WIN3264)
1342 /* The text is in the active codepage. Convert to 'encoding',
1343 * going through UCS-2. */
1344 acp_to_enc(str, str_size, &to_free, &maxlen);
1345 if (to_free != NULL)
1347 str_size = maxlen;
1348 str = to_free;
1350 # endif
1353 #ifdef FEAT_MBYTE
1355 #endif
1357 if (str != NULL && *str != NUL)
1359 char_u *temp_clipboard;
1361 /* If the type is not known guess it. */
1362 if (metadata.type == -1)
1363 metadata.type = (vim_strchr(str, '\n') == NULL) ? MCHAR : MLINE;
1365 /* Translate <CR><NL> into <NL>. */
1366 temp_clipboard = crnl_to_nl(str, &str_size);
1367 if (temp_clipboard != NULL)
1369 clip_yank_selection(metadata.type, temp_clipboard, str_size, cbd);
1370 vim_free(temp_clipboard);
1374 /* unlock the global object */
1375 if (hMem != NULL)
1376 GlobalUnlock(hMem);
1377 #ifdef FEAT_MBYTE
1378 if (rawh != NULL)
1379 GlobalUnlock(rawh);
1380 #endif
1381 CloseClipboard();
1382 #if defined(FEAT_MBYTE) && defined(WIN3264)
1383 vim_free(to_free);
1384 #endif
1387 #if (defined(FEAT_MBYTE) && defined(WIN3264)) || defined(PROTO)
1389 * Convert from the active codepage to 'encoding'.
1390 * Input is "str[str_size]".
1391 * The result is in allocated memory: "out[outlen]". With terminating NUL.
1393 void
1394 acp_to_enc(str, str_size, out, outlen)
1395 char_u *str;
1396 int str_size;
1397 char_u **out;
1398 int *outlen;
1401 LPWSTR widestr;
1403 MultiByteToWideChar_alloc(GetACP(), 0, str, str_size, &widestr, outlen);
1404 if (widestr != NULL)
1406 ++*outlen; /* Include the 0 after the string */
1407 *out = ucs2_to_enc((short_u *)widestr, outlen);
1408 vim_free(widestr);
1411 #endif
1414 * Send the current selection to the clipboard.
1416 void
1417 clip_mch_set_selection(VimClipboard *cbd)
1419 char_u *str = NULL;
1420 VimClipType_t metadata;
1421 long_u txtlen;
1422 HGLOBAL hMemRaw = NULL;
1423 HGLOBAL hMem = NULL;
1424 HGLOBAL hMemVim = NULL;
1425 # if defined(FEAT_MBYTE) && defined(WIN3264)
1426 HGLOBAL hMemW = NULL;
1427 # endif
1429 /* If the '*' register isn't already filled in, fill it in now */
1430 cbd->owned = TRUE;
1431 clip_get_selection(cbd);
1432 cbd->owned = FALSE;
1434 /* Get the text to be put on the clipboard, with CR-LF. */
1435 metadata.type = clip_convert_selection(&str, &txtlen, cbd);
1436 if (metadata.type < 0)
1437 return;
1438 metadata.txtlen = (int)txtlen;
1439 metadata.ucslen = 0;
1440 metadata.rawlen = 0;
1442 #ifdef FEAT_MBYTE
1443 /* Always set the raw bytes: 'encoding', NUL and the text. This is used
1444 * when copy/paste from/to Vim with the same 'encoding', so that illegal
1445 * bytes can also be copied and no conversion is needed. */
1447 LPSTR lpszMemRaw;
1449 metadata.rawlen = (int)(txtlen + STRLEN(p_enc) + 1);
1450 hMemRaw = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
1451 metadata.rawlen + 1);
1452 lpszMemRaw = (LPSTR)GlobalLock(hMemRaw);
1453 if (lpszMemRaw != NULL)
1455 STRCPY(lpszMemRaw, p_enc);
1456 memcpy(lpszMemRaw + STRLEN(p_enc) + 1, str, txtlen + 1);
1457 GlobalUnlock(hMemRaw);
1459 else
1460 metadata.rawlen = 0;
1462 #endif
1464 # if defined(FEAT_MBYTE) && defined(WIN3264)
1466 WCHAR *out;
1467 int len = metadata.txtlen;
1469 /* Convert the text to UCS-2. This is put on the clipboard as
1470 * CF_UNICODETEXT. */
1471 out = (WCHAR *)enc_to_ucs2(str, &len);
1472 if (out != NULL)
1474 WCHAR *lpszMemW;
1476 /* Convert the text for CF_TEXT to Active codepage. Otherwise it's
1477 * p_enc, which has no relation to the Active codepage. */
1478 metadata.txtlen = WideCharToMultiByte(GetACP(), 0, out, len,
1479 NULL, 0, 0, 0);
1480 vim_free(str);
1481 str = (char_u *)alloc((unsigned)(metadata.txtlen == 0 ? 1
1482 : metadata.txtlen));
1483 if (str == NULL)
1485 vim_free(out);
1486 return; /* out of memory */
1488 WideCharToMultiByte(GetACP(), 0, out, len,
1489 str, metadata.txtlen, 0, 0);
1491 /* Allocate memory for the UCS-2 text, add one NUL word to
1492 * terminate the string. */
1493 hMemW = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
1494 (len + 1) * sizeof(WCHAR));
1495 lpszMemW = (WCHAR *)GlobalLock(hMemW);
1496 if (lpszMemW != NULL)
1498 memcpy(lpszMemW, out, len * sizeof(WCHAR));
1499 lpszMemW[len] = NUL;
1500 GlobalUnlock(hMemW);
1502 vim_free(out);
1503 metadata.ucslen = len;
1506 # endif
1508 /* Allocate memory for the text, add one NUL byte to terminate the string.
1510 hMem = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, metadata.txtlen + 1);
1512 LPSTR lpszMem = (LPSTR)GlobalLock(hMem);
1514 if (lpszMem)
1516 vim_strncpy(lpszMem, str, metadata.txtlen);
1517 GlobalUnlock(hMem);
1521 /* Set up metadata: */
1523 VimClipType_t *lpszMemVim = NULL;
1525 hMemVim = GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE,
1526 sizeof(VimClipType_t));
1527 lpszMemVim = (VimClipType_t *)GlobalLock(hMemVim);
1528 memcpy(lpszMemVim, &metadata, sizeof(metadata));
1529 GlobalUnlock(hMemVim);
1533 * Open the clipboard, clear it and put our text on it.
1534 * Always set our Vim format. Put Unicode and plain text on it.
1536 * Don't pass GetActiveWindow() as an argument to OpenClipboard()
1537 * because then we can't paste back into the same window for some
1538 * reason - webb.
1540 if (OpenClipboard(NULL))
1542 if (EmptyClipboard())
1544 SetClipboardData(cbd->format, hMemVim);
1545 hMemVim = 0;
1546 # if defined(FEAT_MBYTE) && defined(WIN3264)
1547 if (hMemW != NULL)
1549 if (SetClipboardData(CF_UNICODETEXT, hMemW) != NULL)
1550 hMemW = NULL;
1552 # endif
1553 /* Always use CF_TEXT. On Win98 Notepad won't obtain the
1554 * CF_UNICODETEXT text, only CF_TEXT. */
1555 SetClipboardData(CF_TEXT, hMem);
1556 hMem = 0;
1558 CloseClipboard();
1561 vim_free(str);
1562 /* Free any allocations we didn't give to the clipboard: */
1563 if (hMemRaw)
1564 GlobalFree(hMemRaw);
1565 if (hMem)
1566 GlobalFree(hMem);
1567 # if defined(FEAT_MBYTE) && defined(WIN3264)
1568 if (hMemW)
1569 GlobalFree(hMemW);
1570 # endif
1571 if (hMemVim)
1572 GlobalFree(hMemVim);
1575 #endif /* FEAT_CLIPBOARD */
1579 * Debugging helper: expose the MCH_WRITE_DUMP stuff to other modules
1581 /*ARGSUSED*/
1582 void
1583 DumpPutS(
1584 const char *psz)
1586 # ifdef MCH_WRITE_DUMP
1587 if (fdDump)
1589 fputs(psz, fdDump);
1590 if (psz[strlen(psz) - 1] != '\n')
1591 fputc('\n', fdDump);
1592 fflush(fdDump);
1594 # endif
1597 #ifdef _DEBUG
1599 void __cdecl
1600 Trace(
1601 char *pszFormat,
1602 ...)
1604 CHAR szBuff[2048];
1605 va_list args;
1607 va_start(args, pszFormat);
1608 vsprintf(szBuff, pszFormat, args);
1609 va_end(args);
1611 OutputDebugString(szBuff);
1614 #endif //_DEBUG
1616 #if !defined(FEAT_GUI) || defined(PROTO)
1617 # if defined(FEAT_TITLE) && defined(WIN3264)
1618 extern HWND g_hWnd; /* This is in os_win32.c. */
1619 # endif
1622 * Showing the printer dialog is tricky since we have no GUI
1623 * window to parent it. The following routines are needed to
1624 * get the window parenting and Z-order to work properly.
1626 static void
1627 GetConsoleHwnd(void)
1629 # define MY_BUFSIZE 1024 // Buffer size for console window titles.
1631 char pszNewWindowTitle[MY_BUFSIZE]; // Contains fabricated WindowTitle.
1632 char pszOldWindowTitle[MY_BUFSIZE]; // Contains original WindowTitle.
1634 /* Skip if it's already set. */
1635 if (s_hwnd != 0)
1636 return;
1638 # if defined(FEAT_TITLE) && defined(WIN3264)
1639 /* Window handle may have been found by init code (Windows NT only) */
1640 if (g_hWnd != 0)
1642 s_hwnd = g_hWnd;
1643 return;
1645 # endif
1647 GetConsoleTitle(pszOldWindowTitle, MY_BUFSIZE);
1649 wsprintf(pszNewWindowTitle, "%s/%d/%d",
1650 pszOldWindowTitle,
1651 GetTickCount(),
1652 GetCurrentProcessId());
1653 SetConsoleTitle(pszNewWindowTitle);
1654 Sleep(40);
1655 s_hwnd = FindWindow(NULL, pszNewWindowTitle);
1657 SetConsoleTitle(pszOldWindowTitle);
1661 * Console implementation of ":winpos".
1664 mch_get_winpos(int *x, int *y)
1666 RECT rect;
1668 GetConsoleHwnd();
1669 GetWindowRect(s_hwnd, &rect);
1670 *x = rect.left;
1671 *y = rect.top;
1672 return OK;
1676 * Console implementation of ":winpos x y".
1678 void
1679 mch_set_winpos(int x, int y)
1681 GetConsoleHwnd();
1682 SetWindowPos(s_hwnd, NULL, x, y, 0, 0,
1683 SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
1685 #endif
1687 #if (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) || defined(PROTO)
1689 # ifdef WIN16
1690 # define TEXT(a) a
1691 # endif
1692 /*=================================================================
1693 * Win32 printer stuff
1696 static HFONT prt_font_handles[2][2][2];
1697 static PRINTDLG prt_dlg;
1698 static const int boldface[2] = {FW_REGULAR, FW_BOLD};
1699 static TEXTMETRIC prt_tm;
1700 static int prt_line_height;
1701 static int prt_number_width;
1702 static int prt_left_margin;
1703 static int prt_right_margin;
1704 static int prt_top_margin;
1705 static char_u szAppName[] = TEXT("VIM");
1706 static HWND hDlgPrint;
1707 static int *bUserAbort = NULL;
1708 static char_u *prt_name = NULL;
1710 /* Defines which are also in vim.rc. */
1711 #define IDC_BOX1 400
1712 #define IDC_PRINTTEXT1 401
1713 #define IDC_PRINTTEXT2 402
1714 #define IDC_PROGRESS 403
1717 * Convert BGR to RGB for Windows GDI calls
1719 static COLORREF
1720 swap_me(COLORREF colorref)
1722 int temp;
1723 char *ptr = (char *)&colorref;
1725 temp = *(ptr);
1726 *(ptr ) = *(ptr + 2);
1727 *(ptr + 2) = temp;
1728 return colorref;
1731 /*ARGSUSED*/
1732 static BOOL CALLBACK
1733 PrintDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
1735 #ifdef FEAT_GETTEXT
1736 NONCLIENTMETRICS nm;
1737 static HFONT hfont;
1738 #endif
1740 switch (message)
1742 case WM_INITDIALOG:
1743 #ifdef FEAT_GETTEXT
1744 nm.cbSize = sizeof(NONCLIENTMETRICS);
1745 if (SystemParametersInfo(
1746 SPI_GETNONCLIENTMETRICS,
1747 sizeof(NONCLIENTMETRICS),
1748 &nm,
1751 char buff[MAX_PATH];
1752 int i;
1754 /* Translate the dialog texts */
1755 hfont = CreateFontIndirect(&nm.lfMessageFont);
1756 for (i = IDC_PRINTTEXT1; i <= IDC_PROGRESS; i++)
1758 SendDlgItemMessage(hDlg, i, WM_SETFONT, (WPARAM)hfont, 1);
1759 if (GetDlgItemText(hDlg,i, buff, sizeof(buff)))
1760 SetDlgItemText(hDlg,i, _(buff));
1762 SendDlgItemMessage(hDlg, IDCANCEL,
1763 WM_SETFONT, (WPARAM)hfont, 1);
1764 if (GetDlgItemText(hDlg,IDCANCEL, buff, sizeof(buff)))
1765 SetDlgItemText(hDlg,IDCANCEL, _(buff));
1767 #endif
1768 SetWindowText(hDlg, szAppName);
1769 if (prt_name != NULL)
1771 SetDlgItemText(hDlg, IDC_PRINTTEXT2, (LPSTR)prt_name);
1772 vim_free(prt_name);
1773 prt_name = NULL;
1775 EnableMenuItem(GetSystemMenu(hDlg, FALSE), SC_CLOSE, MF_GRAYED);
1776 #ifndef FEAT_GUI
1777 BringWindowToTop(s_hwnd);
1778 #endif
1779 return TRUE;
1781 case WM_COMMAND:
1782 *bUserAbort = TRUE;
1783 EnableWindow(GetParent(hDlg), TRUE);
1784 DestroyWindow(hDlg);
1785 hDlgPrint = NULL;
1786 #ifdef FEAT_GETTEXT
1787 DeleteObject(hfont);
1788 #endif
1789 return TRUE;
1791 return FALSE;
1794 /*ARGSUSED*/
1795 static BOOL CALLBACK
1796 AbortProc(HDC hdcPrn, int iCode)
1798 MSG msg;
1800 while (!*bUserAbort && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
1802 if (!hDlgPrint || !IsDialogMessage(hDlgPrint, &msg))
1804 TranslateMessage(&msg);
1805 DispatchMessage(&msg);
1808 return !*bUserAbort;
1811 #ifndef FEAT_GUI
1813 static UINT CALLBACK
1814 PrintHookProc(
1815 HWND hDlg, // handle to dialog box
1816 UINT uiMsg, // message identifier
1817 WPARAM wParam, // message parameter
1818 LPARAM lParam // message parameter
1821 HWND hwndOwner;
1822 RECT rc, rcDlg, rcOwner;
1823 PRINTDLG *pPD;
1825 if (uiMsg == WM_INITDIALOG)
1827 // Get the owner window and dialog box rectangles.
1828 if ((hwndOwner = GetParent(hDlg)) == NULL)
1829 hwndOwner = GetDesktopWindow();
1831 GetWindowRect(hwndOwner, &rcOwner);
1832 GetWindowRect(hDlg, &rcDlg);
1833 CopyRect(&rc, &rcOwner);
1835 // Offset the owner and dialog box rectangles so that
1836 // right and bottom values represent the width and
1837 // height, and then offset the owner again to discard
1838 // space taken up by the dialog box.
1840 OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
1841 OffsetRect(&rc, -rc.left, -rc.top);
1842 OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
1844 // The new position is the sum of half the remaining
1845 // space and the owner's original position.
1847 SetWindowPos(hDlg,
1848 HWND_TOP,
1849 rcOwner.left + (rc.right / 2),
1850 rcOwner.top + (rc.bottom / 2),
1851 0, 0, // ignores size arguments
1852 SWP_NOSIZE);
1854 /* tackle the printdlg copiesctrl problem */
1855 pPD = (PRINTDLG *)lParam;
1856 pPD->nCopies = (WORD)pPD->lCustData;
1857 SetDlgItemInt( hDlg, edt3, pPD->nCopies, FALSE );
1858 /* Bring the window to top */
1859 BringWindowToTop(GetParent(hDlg));
1860 SetForegroundWindow(hDlg);
1863 return FALSE;
1865 #endif
1867 void
1868 mch_print_cleanup(void)
1870 int pifItalic;
1871 int pifBold;
1872 int pifUnderline;
1874 for (pifBold = 0; pifBold <= 1; pifBold++)
1875 for (pifItalic = 0; pifItalic <= 1; pifItalic++)
1876 for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
1877 DeleteObject(prt_font_handles[pifBold][pifItalic][pifUnderline]);
1879 if (prt_dlg.hDC != NULL)
1880 DeleteDC(prt_dlg.hDC);
1881 if (!*bUserAbort)
1882 SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
1885 static int
1886 to_device_units(int idx, int dpi, int physsize, int offset, int def_number)
1888 int ret = 0;
1889 int u;
1890 int nr;
1892 u = prt_get_unit(idx);
1893 if (u == PRT_UNIT_NONE)
1895 u = PRT_UNIT_PERC;
1896 nr = def_number;
1898 else
1899 nr = printer_opts[idx].number;
1901 switch (u)
1903 case PRT_UNIT_PERC:
1904 ret = (physsize * nr) / 100;
1905 break;
1906 case PRT_UNIT_INCH:
1907 ret = (nr * dpi);
1908 break;
1909 case PRT_UNIT_MM:
1910 ret = (nr * 10 * dpi) / 254;
1911 break;
1912 case PRT_UNIT_POINT:
1913 ret = (nr * 10 * dpi) / 720;
1914 break;
1917 if (ret < offset)
1918 return 0;
1919 else
1920 return ret - offset;
1923 static int
1924 prt_get_cpl(void)
1926 int hr;
1927 int phyw;
1928 int dvoff;
1929 int rev_offset;
1930 int dpi;
1931 #ifdef WIN16
1932 POINT pagesize;
1933 #endif
1935 GetTextMetrics(prt_dlg.hDC, &prt_tm);
1936 prt_line_height = prt_tm.tmHeight + prt_tm.tmExternalLeading;
1938 hr = GetDeviceCaps(prt_dlg.hDC, HORZRES);
1939 #ifdef WIN16
1940 Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
1941 phyw = pagesize.x;
1942 Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
1943 dvoff = pagesize.x;
1944 #else
1945 phyw = GetDeviceCaps(prt_dlg.hDC, PHYSICALWIDTH);
1946 dvoff = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETX);
1947 #endif
1948 dpi = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSX);
1950 rev_offset = phyw - (dvoff + hr);
1952 prt_left_margin = to_device_units(OPT_PRINT_LEFT, dpi, phyw, dvoff, 10);
1953 if (prt_use_number())
1955 prt_number_width = PRINT_NUMBER_WIDTH * prt_tm.tmAveCharWidth;
1956 prt_left_margin += prt_number_width;
1958 else
1959 prt_number_width = 0;
1961 prt_right_margin = hr - to_device_units(OPT_PRINT_RIGHT, dpi, phyw,
1962 rev_offset, 5);
1964 return (prt_right_margin - prt_left_margin) / prt_tm.tmAveCharWidth;
1967 static int
1968 prt_get_lpp(void)
1970 int vr;
1971 int phyw;
1972 int dvoff;
1973 int rev_offset;
1974 int bottom_margin;
1975 int dpi;
1976 #ifdef WIN16
1977 POINT pagesize;
1978 #endif
1980 vr = GetDeviceCaps(prt_dlg.hDC, VERTRES);
1981 #ifdef WIN16
1982 Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
1983 phyw = pagesize.y;
1984 Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
1985 dvoff = pagesize.y;
1986 #else
1987 phyw = GetDeviceCaps(prt_dlg.hDC, PHYSICALHEIGHT);
1988 dvoff = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETY);
1989 #endif
1990 dpi = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSY);
1992 rev_offset = phyw - (dvoff + vr);
1994 prt_top_margin = to_device_units(OPT_PRINT_TOP, dpi, phyw, dvoff, 5);
1996 /* adjust top margin if there is a header */
1997 prt_top_margin += prt_line_height * prt_header_height();
1999 bottom_margin = vr - to_device_units(OPT_PRINT_BOT, dpi, phyw,
2000 rev_offset, 5);
2002 return (bottom_margin - prt_top_margin) / prt_line_height;
2006 mch_print_init(prt_settings_T *psettings, char_u *jobname, int forceit)
2008 static HGLOBAL stored_dm = NULL;
2009 static HGLOBAL stored_devn = NULL;
2010 static int stored_nCopies = 1;
2011 static int stored_nFlags = 0;
2013 LOGFONT fLogFont;
2014 int pifItalic;
2015 int pifBold;
2016 int pifUnderline;
2018 DEVMODE *mem;
2019 DEVNAMES *devname;
2020 int i;
2022 bUserAbort = &(psettings->user_abort);
2023 memset(&prt_dlg, 0, sizeof(PRINTDLG));
2024 prt_dlg.lStructSize = sizeof(PRINTDLG);
2025 #ifndef FEAT_GUI
2026 GetConsoleHwnd(); /* get value of s_hwnd */
2027 #endif
2028 prt_dlg.hwndOwner = s_hwnd;
2029 prt_dlg.Flags = PD_NOPAGENUMS | PD_NOSELECTION | PD_RETURNDC;
2030 if (!forceit)
2032 prt_dlg.hDevMode = stored_dm;
2033 prt_dlg.hDevNames = stored_devn;
2034 prt_dlg.lCustData = stored_nCopies; // work around bug in print dialog
2035 #ifndef FEAT_GUI
2037 * Use hook to prevent console window being sent to back
2039 prt_dlg.lpfnPrintHook = PrintHookProc;
2040 prt_dlg.Flags |= PD_ENABLEPRINTHOOK;
2041 #endif
2042 prt_dlg.Flags |= stored_nFlags;
2046 * If bang present, return default printer setup with no dialog
2047 * never show dialog if we are running over telnet
2049 if (forceit
2050 #ifndef FEAT_GUI
2051 || !term_console
2052 #endif
2055 prt_dlg.Flags |= PD_RETURNDEFAULT;
2056 #ifdef WIN3264
2058 * MSDN suggests setting the first parameter to WINSPOOL for
2059 * NT, but NULL appears to work just as well.
2061 if (*p_pdev != NUL)
2062 prt_dlg.hDC = CreateDC(NULL, p_pdev, NULL, NULL);
2063 else
2064 #endif
2066 prt_dlg.Flags |= PD_RETURNDEFAULT;
2067 if (PrintDlg(&prt_dlg) == 0)
2068 goto init_fail_dlg;
2071 else if (PrintDlg(&prt_dlg) == 0)
2072 goto init_fail_dlg;
2073 else
2076 * keep the previous driver context
2078 stored_dm = prt_dlg.hDevMode;
2079 stored_devn = prt_dlg.hDevNames;
2080 stored_nFlags = prt_dlg.Flags;
2081 stored_nCopies = prt_dlg.nCopies;
2084 if (prt_dlg.hDC == NULL)
2086 EMSG(_("E237: Printer selection failed"));
2087 mch_print_cleanup();
2088 return FALSE;
2091 /* Not all printer drivers report the support of color (or grey) in the
2092 * same way. Let's set has_color if there appears to be some way to print
2093 * more than B&W. */
2094 i = GetDeviceCaps(prt_dlg.hDC, NUMCOLORS);
2095 psettings->has_color = (GetDeviceCaps(prt_dlg.hDC, BITSPIXEL) > 1
2096 || GetDeviceCaps(prt_dlg.hDC, PLANES) > 1
2097 || i > 2 || i == -1);
2099 /* Ensure all font styles are baseline aligned */
2100 SetTextAlign(prt_dlg.hDC, TA_BASELINE|TA_LEFT);
2103 * On some windows systems the nCopies parameter is not
2104 * passed back correctly. It must be retrieved from the
2105 * hDevMode struct.
2107 mem = (DEVMODE *)GlobalLock(prt_dlg.hDevMode);
2108 if (mem != NULL)
2110 #ifdef WIN3264
2111 if (mem->dmCopies != 1)
2112 stored_nCopies = mem->dmCopies;
2113 #endif
2114 if ((mem->dmFields & DM_DUPLEX) && (mem->dmDuplex & ~DMDUP_SIMPLEX))
2115 psettings->duplex = TRUE;
2116 if ((mem->dmFields & DM_COLOR) && (mem->dmColor & DMCOLOR_COLOR))
2117 psettings->has_color = TRUE;
2119 GlobalUnlock(prt_dlg.hDevMode);
2121 devname = (DEVNAMES *)GlobalLock(prt_dlg.hDevNames);
2122 if (devname != 0)
2124 char_u *printer_name = (char_u *)devname + devname->wDeviceOffset;
2125 char_u *port_name = (char_u *)devname +devname->wOutputOffset;
2126 char_u *text = _("to %s on %s");
2128 prt_name = alloc(STRLEN(printer_name) + STRLEN(port_name)
2129 + STRLEN(text));
2130 if (prt_name != NULL)
2131 wsprintf(prt_name, text, printer_name, port_name);
2133 GlobalUnlock(prt_dlg.hDevNames);
2136 * Initialise the font according to 'printfont'
2138 memset(&fLogFont, 0, sizeof(fLogFont));
2139 if (get_logfont(&fLogFont, p_pfn, prt_dlg.hDC, TRUE) == FAIL)
2141 EMSG2(_("E613: Unknown printer font: %s"), p_pfn);
2142 mch_print_cleanup();
2143 return FALSE;
2146 for (pifBold = 0; pifBold <= 1; pifBold++)
2147 for (pifItalic = 0; pifItalic <= 1; pifItalic++)
2148 for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
2150 fLogFont.lfWeight = boldface[pifBold];
2151 fLogFont.lfItalic = pifItalic;
2152 fLogFont.lfUnderline = pifUnderline;
2153 prt_font_handles[pifBold][pifItalic][pifUnderline]
2154 = CreateFontIndirect(&fLogFont);
2157 SetBkMode(prt_dlg.hDC, OPAQUE);
2158 SelectObject(prt_dlg.hDC, prt_font_handles[0][0][0]);
2161 * Fill in the settings struct
2163 psettings->chars_per_line = prt_get_cpl();
2164 psettings->lines_per_page = prt_get_lpp();
2165 psettings->n_collated_copies = (prt_dlg.Flags & PD_COLLATE)
2166 ? prt_dlg.nCopies : 1;
2167 psettings->n_uncollated_copies = (prt_dlg.Flags & PD_COLLATE)
2168 ? 1 : prt_dlg.nCopies;
2170 if (psettings->n_collated_copies == 0)
2171 psettings->n_collated_copies = 1;
2173 if (psettings->n_uncollated_copies == 0)
2174 psettings->n_uncollated_copies = 1;
2176 psettings->jobname = jobname;
2178 return TRUE;
2180 init_fail_dlg:
2182 DWORD err = CommDlgExtendedError();
2184 if (err)
2186 #ifdef WIN16
2187 char buf[20];
2189 sprintf(buf, "%ld", err);
2190 EMSG2(_("E238: Print error: %s"), buf);
2191 #else
2192 char_u *buf;
2194 /* I suspect FormatMessage() doesn't work for values returned by
2195 * CommDlgExtendedError(). What does? */
2196 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
2197 FORMAT_MESSAGE_FROM_SYSTEM |
2198 FORMAT_MESSAGE_IGNORE_INSERTS,
2199 NULL, err, 0, (LPTSTR)(&buf), 0, NULL);
2200 EMSG2(_("E238: Print error: %s"),
2201 buf == NULL ? (char_u *)_("Unknown") : buf);
2202 LocalFree((LPVOID)(buf));
2203 #endif
2205 else
2206 msg_clr_eos(); /* Maybe canceled */
2208 mch_print_cleanup();
2209 return FALSE;
2215 mch_print_begin(prt_settings_T *psettings)
2217 int ret;
2218 static DOCINFO di;
2219 char szBuffer[300];
2221 hDlgPrint = CreateDialog(GetModuleHandle(NULL), TEXT("PrintDlgBox"),
2222 prt_dlg.hwndOwner, PrintDlgProc);
2223 #ifdef WIN16
2224 Escape(prt_dlg.hDC, SETABORTPROC, 0, (LPSTR)AbortProc, NULL);
2225 #else
2226 SetAbortProc(prt_dlg.hDC, AbortProc);
2227 #endif
2228 wsprintf(szBuffer, _("Printing '%s'"), gettail(psettings->jobname));
2229 SetDlgItemText(hDlgPrint, IDC_PRINTTEXT1, (LPSTR)szBuffer);
2231 memset(&di, 0, sizeof(DOCINFO));
2232 di.cbSize = sizeof(DOCINFO);
2233 di.lpszDocName = psettings->jobname;
2234 ret = StartDoc(prt_dlg.hDC, &di);
2236 #ifdef FEAT_GUI
2237 /* Give focus back to main window (when using MDI). */
2238 SetFocus(s_hwnd);
2239 #endif
2241 return (ret > 0);
2244 /*ARGSUSED*/
2245 void
2246 mch_print_end(prt_settings_T *psettings)
2248 EndDoc(prt_dlg.hDC);
2249 if (!*bUserAbort)
2250 SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
2254 mch_print_end_page(void)
2256 return (EndPage(prt_dlg.hDC) > 0);
2260 mch_print_begin_page(char_u *msg)
2262 if (msg != NULL)
2263 SetDlgItemText(hDlgPrint, IDC_PROGRESS, (LPSTR)msg);
2264 return (StartPage(prt_dlg.hDC) > 0);
2268 mch_print_blank_page(void)
2270 return (mch_print_begin_page(NULL) ? (mch_print_end_page()) : FALSE);
2273 static int prt_pos_x = 0;
2274 static int prt_pos_y = 0;
2276 void
2277 mch_print_start_line(margin, page_line)
2278 int margin;
2279 int page_line;
2281 if (margin)
2282 prt_pos_x = -prt_number_width;
2283 else
2284 prt_pos_x = 0;
2285 prt_pos_y = page_line * prt_line_height
2286 + prt_tm.tmAscent + prt_tm.tmExternalLeading;
2290 mch_print_text_out(char_u *p, int len)
2292 #ifdef FEAT_PROPORTIONAL_FONTS
2293 SIZE sz;
2294 #endif
2296 TextOut(prt_dlg.hDC, prt_pos_x + prt_left_margin,
2297 prt_pos_y + prt_top_margin, p, len);
2298 #ifndef FEAT_PROPORTIONAL_FONTS
2299 prt_pos_x += len * prt_tm.tmAveCharWidth;
2300 return (prt_pos_x + prt_left_margin + prt_tm.tmAveCharWidth
2301 + prt_tm.tmOverhang > prt_right_margin);
2302 #else
2303 # ifdef WIN16
2304 GetTextExtentPoint(prt_dlg.hDC, p, len, &sz);
2305 # else
2306 GetTextExtentPoint32(prt_dlg.hDC, p, len, &sz);
2307 # endif
2308 prt_pos_x += (sz.cx - prt_tm.tmOverhang);
2309 /* This is wrong when printing spaces for a TAB. */
2310 if (p[len] == NUL)
2311 return FALSE;
2312 # ifdef WIN16
2313 GetTextExtentPoint(prt_dlg.hDC, p + len, 1, &sz);
2314 # else
2315 GetTextExtentPoint32(prt_dlg.hDC, p + len, 1, &sz);
2316 # endif
2317 return (prt_pos_x + prt_left_margin + sz.cx > prt_right_margin);
2318 #endif
2321 void
2322 mch_print_set_font(int iBold, int iItalic, int iUnderline)
2324 SelectObject(prt_dlg.hDC, prt_font_handles[iBold][iItalic][iUnderline]);
2327 void
2328 mch_print_set_bg(long_u bgcol)
2330 SetBkColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
2331 swap_me((COLORREF)bgcol)));
2333 * With a white background we can draw characters transparent, which is
2334 * good for italic characters that overlap to the next char cell.
2336 if (bgcol == 0xffffffUL)
2337 SetBkMode(prt_dlg.hDC, TRANSPARENT);
2338 else
2339 SetBkMode(prt_dlg.hDC, OPAQUE);
2342 void
2343 mch_print_set_fg(long_u fgcol)
2345 SetTextColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
2346 swap_me((COLORREF)fgcol)));
2349 #endif /*FEAT_PRINTER && !FEAT_POSTSCRIPT*/
2353 #if defined(FEAT_SHORTCUT) || defined(PROTO)
2354 # include <shlobj.h>
2357 * When "fname" is the name of a shortcut (*.lnk) resolve the file it points
2358 * to and return that name in allocated memory.
2359 * Otherwise NULL is returned.
2361 char_u *
2362 mch_resolve_shortcut(char_u *fname)
2364 HRESULT hr;
2365 IShellLink *psl = NULL;
2366 IPersistFile *ppf = NULL;
2367 OLECHAR wsz[MAX_PATH];
2368 WIN32_FIND_DATA ffd; // we get those free of charge
2369 TCHAR buf[MAX_PATH]; // could have simply reused 'wsz'...
2370 char_u *rfname = NULL;
2371 int len;
2373 /* Check if the file name ends in ".lnk". Avoid calling
2374 * CoCreateInstance(), it's quite slow. */
2375 if (fname == NULL)
2376 return rfname;
2377 len = (int)STRLEN(fname);
2378 if (len <= 4 || STRNICMP(fname + len - 4, ".lnk", 4) != 0)
2379 return rfname;
2381 CoInitialize(NULL);
2383 // create a link manager object and request its interface
2384 hr = CoCreateInstance(
2385 &CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
2386 &IID_IShellLink, (void**)&psl);
2387 if (hr != S_OK)
2388 goto shortcut_error;
2390 // Get a pointer to the IPersistFile interface.
2391 hr = psl->lpVtbl->QueryInterface(
2392 psl, &IID_IPersistFile, (void**)&ppf);
2393 if (hr != S_OK)
2394 goto shortcut_error;
2396 // full path string must be in Unicode.
2397 MultiByteToWideChar(CP_ACP, 0, fname, -1, wsz, MAX_PATH);
2399 // "load" the name and resolve the link
2400 hr = ppf->lpVtbl->Load(ppf, wsz, STGM_READ);
2401 if (hr != S_OK)
2402 goto shortcut_error;
2403 #if 0 // This makes Vim wait a long time if the target doesn't exist.
2404 hr = psl->lpVtbl->Resolve(psl, NULL, SLR_NO_UI);
2405 if (hr != S_OK)
2406 goto shortcut_error;
2407 #endif
2409 // Get the path to the link target.
2410 ZeroMemory(buf, MAX_PATH);
2411 hr = psl->lpVtbl->GetPath(psl, buf, MAX_PATH, &ffd, 0);
2412 if (hr == S_OK && buf[0] != NUL)
2413 rfname = vim_strsave(buf);
2415 shortcut_error:
2416 // Release all interface pointers (both belong to the same object)
2417 if (ppf != NULL)
2418 ppf->lpVtbl->Release(ppf);
2419 if (psl != NULL)
2420 psl->lpVtbl->Release(psl);
2422 CoUninitialize();
2423 return rfname;
2425 #endif
2427 #if (defined(FEAT_EVAL) && !defined(FEAT_GUI)) || defined(PROTO)
2429 * Bring ourselves to the foreground. Does work if the OS doesn't allow it.
2431 void
2432 win32_set_foreground()
2434 # ifndef FEAT_GUI
2435 GetConsoleHwnd(); /* get value of s_hwnd */
2436 # endif
2437 if (s_hwnd != 0)
2438 SetForegroundWindow(s_hwnd);
2440 #endif
2442 #if defined(FEAT_CLIENTSERVER) || defined(PROTO)
2444 * Client-server code for Vim
2446 * Originally written by Paul Moore
2449 /* In order to handle inter-process messages, we need to have a window. But
2450 * the functions in this module can be called before the main GUI window is
2451 * created (and may also be called in the console version, where there is no
2452 * GUI window at all).
2454 * So we create a hidden window, and arrange to destroy it on exit.
2456 HWND message_window = 0; /* window that's handling messsages */
2458 #define VIM_CLASSNAME "VIM_MESSAGES"
2459 #define VIM_CLASSNAME_LEN (sizeof(VIM_CLASSNAME) - 1)
2461 /* Communication is via WM_COPYDATA messages. The message type is send in
2462 * the dwData parameter. Types are defined here. */
2463 #define COPYDATA_KEYS 0
2464 #define COPYDATA_REPLY 1
2465 #define COPYDATA_EXPR 10
2466 #define COPYDATA_RESULT 11
2467 #define COPYDATA_ERROR_RESULT 12
2468 #define COPYDATA_ENCODING 20
2470 /* This is a structure containing a server HWND and its name. */
2471 struct server_id
2473 HWND hwnd;
2474 char_u *name;
2477 /* Last received 'encoding' that the client uses. */
2478 static char_u *client_enc = NULL;
2481 * Tell the other side what encoding we are using.
2482 * Errors are ignored.
2484 static void
2485 serverSendEnc(HWND target)
2487 COPYDATASTRUCT data;
2489 data.dwData = COPYDATA_ENCODING;
2490 #ifdef FEAT_MBYTE
2491 data.cbData = (DWORD)STRLEN(p_enc) + 1;
2492 data.lpData = p_enc;
2493 #else
2494 data.cbData = STRLEN("latin1") + 1;
2495 data.lpData = "latin1";
2496 #endif
2497 (void)SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2498 (LPARAM)(&data));
2502 * Clean up on exit. This destroys the hidden message window.
2504 static void
2505 #ifdef __BORLANDC__
2506 _RTLENTRYF
2507 #endif
2508 CleanUpMessaging(void)
2510 if (message_window != 0)
2512 DestroyWindow(message_window);
2513 message_window = 0;
2517 static int save_reply(HWND server, char_u *reply, int expr);
2520 * The window procedure for the hidden message window.
2521 * It handles callback messages and notifications from servers.
2522 * In order to process these messages, it is necessary to run a
2523 * message loop. Code which may run before the main message loop
2524 * is started (in the GUI) is careful to pump messages when it needs
2525 * to. Features which require message delivery during normal use will
2526 * not work in the console version - this basically means those
2527 * features which allow Vim to act as a server, rather than a client.
2529 static LRESULT CALLBACK
2530 Messaging_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2532 if (msg == WM_COPYDATA)
2534 /* This is a message from another Vim. The dwData member of the
2535 * COPYDATASTRUCT determines the type of message:
2536 * COPYDATA_ENCODING:
2537 * The encoding that the client uses. Following messages will
2538 * use this encoding, convert if needed.
2539 * COPYDATA_KEYS:
2540 * A key sequence. We are a server, and a client wants these keys
2541 * adding to the input queue.
2542 * COPYDATA_REPLY:
2543 * A reply. We are a client, and a server has sent this message
2544 * in response to a request. (server2client())
2545 * COPYDATA_EXPR:
2546 * An expression. We are a server, and a client wants us to
2547 * evaluate this expression.
2548 * COPYDATA_RESULT:
2549 * A reply. We are a client, and a server has sent this message
2550 * in response to a COPYDATA_EXPR.
2551 * COPYDATA_ERROR_RESULT:
2552 * A reply. We are a client, and a server has sent this message
2553 * in response to a COPYDATA_EXPR that failed to evaluate.
2555 COPYDATASTRUCT *data = (COPYDATASTRUCT*)lParam;
2556 HWND sender = (HWND)wParam;
2557 COPYDATASTRUCT reply;
2558 char_u *res;
2559 char_u winstr[30];
2560 int retval;
2561 char_u *str;
2562 char_u *tofree;
2564 switch (data->dwData)
2566 case COPYDATA_ENCODING:
2567 # ifdef FEAT_MBYTE
2568 /* Remember the encoding that the client uses. */
2569 vim_free(client_enc);
2570 client_enc = enc_canonize((char_u *)data->lpData);
2571 # endif
2572 return 1;
2574 case COPYDATA_KEYS:
2575 /* Remember who sent this, for <client> */
2576 clientWindow = sender;
2578 /* Add the received keys to the input buffer. The loop waiting
2579 * for the user to do something should check the input buffer. */
2580 str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
2581 server_to_input_buf(str);
2582 vim_free(tofree);
2584 # ifdef FEAT_GUI
2585 /* Wake up the main GUI loop. */
2586 if (s_hwnd != 0)
2587 PostMessage(s_hwnd, WM_NULL, 0, 0);
2588 # endif
2589 return 1;
2591 case COPYDATA_EXPR:
2592 /* Remember who sent this, for <client> */
2593 clientWindow = sender;
2595 str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
2596 res = eval_client_expr_to_string(str);
2597 vim_free(tofree);
2599 if (res == NULL)
2601 res = vim_strsave(_(e_invexprmsg));
2602 reply.dwData = COPYDATA_ERROR_RESULT;
2604 else
2605 reply.dwData = COPYDATA_RESULT;
2606 reply.lpData = res;
2607 reply.cbData = (DWORD)STRLEN(res) + 1;
2609 serverSendEnc(sender);
2610 retval = (int)SendMessage(sender, WM_COPYDATA, (WPARAM)message_window,
2611 (LPARAM)(&reply));
2612 vim_free(res);
2613 return retval;
2615 case COPYDATA_REPLY:
2616 case COPYDATA_RESULT:
2617 case COPYDATA_ERROR_RESULT:
2618 if (data->lpData != NULL)
2620 str = serverConvert(client_enc, (char_u *)data->lpData,
2621 &tofree);
2622 if (tofree == NULL)
2623 str = vim_strsave(str);
2624 if (save_reply(sender, str,
2625 (data->dwData == COPYDATA_REPLY ? 0 :
2626 (data->dwData == COPYDATA_RESULT ? 1 :
2627 2))) == FAIL)
2628 vim_free(str);
2629 #ifdef FEAT_AUTOCMD
2630 else if (data->dwData == COPYDATA_REPLY)
2632 sprintf((char *)winstr, PRINTF_HEX_LONG_U, (long_u)sender);
2633 apply_autocmds(EVENT_REMOTEREPLY, winstr, str,
2634 TRUE, curbuf);
2636 #endif
2638 return 1;
2641 return 0;
2644 else if (msg == WM_ACTIVATE && wParam == WA_ACTIVE)
2646 /* When the message window is activated (brought to the foreground),
2647 * this actually applies to the text window. */
2648 #ifndef FEAT_GUI
2649 GetConsoleHwnd(); /* get value of s_hwnd */
2650 #endif
2651 if (s_hwnd != 0)
2653 SetForegroundWindow(s_hwnd);
2654 return 0;
2658 return DefWindowProc(hwnd, msg, wParam, lParam);
2662 * Initialise the message handling process. This involves creating a window
2663 * to handle messages - the window will not be visible.
2665 void
2666 serverInitMessaging(void)
2668 WNDCLASS wndclass;
2669 HINSTANCE s_hinst;
2671 /* Clean up on exit */
2672 atexit(CleanUpMessaging);
2674 /* Register a window class - we only really care
2675 * about the window procedure
2677 s_hinst = (HINSTANCE)GetModuleHandle(0);
2678 wndclass.style = 0;
2679 wndclass.lpfnWndProc = Messaging_WndProc;
2680 wndclass.cbClsExtra = 0;
2681 wndclass.cbWndExtra = 0;
2682 wndclass.hInstance = s_hinst;
2683 wndclass.hIcon = NULL;
2684 wndclass.hCursor = NULL;
2685 wndclass.hbrBackground = NULL;
2686 wndclass.lpszMenuName = NULL;
2687 wndclass.lpszClassName = VIM_CLASSNAME;
2688 RegisterClass(&wndclass);
2690 /* Create the message window. It will be hidden, so the details don't
2691 * matter. Don't use WS_OVERLAPPEDWINDOW, it will make a shortcut remove
2692 * focus from gvim. */
2693 message_window = CreateWindow(VIM_CLASSNAME, "",
2694 WS_POPUPWINDOW | WS_CAPTION,
2695 CW_USEDEFAULT, CW_USEDEFAULT,
2696 100, 100, NULL, NULL,
2697 s_hinst, NULL);
2700 /* Used by serverSendToVim() to find an alternate server name. */
2701 static char_u *altname_buf_ptr = NULL;
2704 * Get the title of the window "hwnd", which is the Vim server name, in
2705 * "name[namelen]" and return the length.
2706 * Returns zero if window "hwnd" is not a Vim server.
2708 static int
2709 getVimServerName(HWND hwnd, char *name, int namelen)
2711 int len;
2712 char buffer[VIM_CLASSNAME_LEN + 1];
2714 /* Ignore windows which aren't Vim message windows */
2715 len = GetClassName(hwnd, buffer, sizeof(buffer));
2716 if (len != VIM_CLASSNAME_LEN || STRCMP(buffer, VIM_CLASSNAME) != 0)
2717 return 0;
2719 /* Get the title of the window */
2720 return GetWindowText(hwnd, name, namelen);
2723 static BOOL CALLBACK
2724 enumWindowsGetServer(HWND hwnd, LPARAM lparam)
2726 struct server_id *id = (struct server_id *)lparam;
2727 char server[MAX_PATH];
2729 /* Get the title of the window */
2730 if (getVimServerName(hwnd, server, sizeof(server)) == 0)
2731 return TRUE;
2733 /* If this is the server we're looking for, return its HWND */
2734 if (STRICMP(server, id->name) == 0)
2736 id->hwnd = hwnd;
2737 return FALSE;
2740 /* If we are looking for an alternate server, remember this name. */
2741 if (altname_buf_ptr != NULL
2742 && STRNICMP(server, id->name, STRLEN(id->name)) == 0
2743 && vim_isdigit(server[STRLEN(id->name)]))
2745 STRCPY(altname_buf_ptr, server);
2746 altname_buf_ptr = NULL; /* don't use another name */
2749 /* Otherwise, keep looking */
2750 return TRUE;
2753 static BOOL CALLBACK
2754 enumWindowsGetNames(HWND hwnd, LPARAM lparam)
2756 garray_T *ga = (garray_T *)lparam;
2757 char server[MAX_PATH];
2759 /* Get the title of the window */
2760 if (getVimServerName(hwnd, server, sizeof(server)) == 0)
2761 return TRUE;
2763 /* Add the name to the list */
2764 ga_concat(ga, server);
2765 ga_concat(ga, "\n");
2766 return TRUE;
2769 static HWND
2770 findServer(char_u *name)
2772 struct server_id id;
2774 id.name = name;
2775 id.hwnd = 0;
2777 EnumWindows(enumWindowsGetServer, (LPARAM)(&id));
2779 return id.hwnd;
2782 void
2783 serverSetName(char_u *name)
2785 char_u *ok_name;
2786 HWND hwnd = 0;
2787 int i = 0;
2788 char_u *p;
2790 /* Leave enough space for a 9-digit suffix to ensure uniqueness! */
2791 ok_name = alloc((unsigned)STRLEN(name) + 10);
2793 STRCPY(ok_name, name);
2794 p = ok_name + STRLEN(name);
2796 for (;;)
2798 /* This is inefficient - we're doing an EnumWindows loop for each
2799 * possible name. It would be better to grab all names in one go,
2800 * and scan the list each time...
2802 hwnd = findServer(ok_name);
2803 if (hwnd == 0)
2804 break;
2806 ++i;
2807 if (i >= 1000)
2808 break;
2810 sprintf((char *)p, "%d", i);
2813 if (hwnd != 0)
2814 vim_free(ok_name);
2815 else
2817 /* Remember the name */
2818 serverName = ok_name;
2819 #ifdef FEAT_TITLE
2820 need_maketitle = TRUE; /* update Vim window title later */
2821 #endif
2823 /* Update the message window title */
2824 SetWindowText(message_window, ok_name);
2826 #ifdef FEAT_EVAL
2827 /* Set the servername variable */
2828 set_vim_var_string(VV_SEND_SERVER, serverName, -1);
2829 #endif
2833 char_u *
2834 serverGetVimNames(void)
2836 garray_T ga;
2838 ga_init2(&ga, 1, 100);
2840 EnumWindows(enumWindowsGetNames, (LPARAM)(&ga));
2841 ga_append(&ga, NUL);
2843 return ga.ga_data;
2847 serverSendReply(name, reply)
2848 char_u *name; /* Where to send. */
2849 char_u *reply; /* What to send. */
2851 HWND target;
2852 COPYDATASTRUCT data;
2853 long_u n = 0;
2855 /* The "name" argument is a magic cookie obtained from expand("<client>").
2856 * It should be of the form 0xXXXXX - i.e. a C hex literal, which is the
2857 * value of the client's message window HWND.
2859 sscanf((char *)name, SCANF_HEX_LONG_U, &n);
2860 if (n == 0)
2861 return -1;
2863 target = (HWND)n;
2864 if (!IsWindow(target))
2865 return -1;
2867 data.dwData = COPYDATA_REPLY;
2868 data.cbData = (DWORD)STRLEN(reply) + 1;
2869 data.lpData = reply;
2871 serverSendEnc(target);
2872 if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2873 (LPARAM)(&data)))
2874 return 0;
2876 return -1;
2880 serverSendToVim(name, cmd, result, ptarget, asExpr, silent)
2881 char_u *name; /* Where to send. */
2882 char_u *cmd; /* What to send. */
2883 char_u **result; /* Result of eval'ed expression */
2884 void *ptarget; /* HWND of server */
2885 int asExpr; /* Expression or keys? */
2886 int silent; /* don't complain about no server */
2888 HWND target;
2889 COPYDATASTRUCT data;
2890 char_u *retval = NULL;
2891 int retcode = 0;
2892 char_u altname_buf[MAX_PATH];
2894 /* If the server name does not end in a digit then we look for an
2895 * alternate name. e.g. when "name" is GVIM the we may find GVIM2. */
2896 if (STRLEN(name) > 1 && !vim_isdigit(name[STRLEN(name) - 1]))
2897 altname_buf_ptr = altname_buf;
2898 altname_buf[0] = NUL;
2899 target = findServer(name);
2900 altname_buf_ptr = NULL;
2901 if (target == 0 && altname_buf[0] != NUL)
2902 /* Use another server name we found. */
2903 target = findServer(altname_buf);
2905 if (target == 0)
2907 if (!silent)
2908 EMSG2(_(e_noserver), name);
2909 return -1;
2912 if (ptarget)
2913 *(HWND *)ptarget = target;
2915 data.dwData = asExpr ? COPYDATA_EXPR : COPYDATA_KEYS;
2916 data.cbData = (DWORD)STRLEN(cmd) + 1;
2917 data.lpData = cmd;
2919 serverSendEnc(target);
2920 if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2921 (LPARAM)(&data)) == 0)
2922 return -1;
2924 if (asExpr)
2925 retval = serverGetReply(target, &retcode, TRUE, TRUE);
2927 if (result == NULL)
2928 vim_free(retval);
2929 else
2930 *result = retval; /* Caller assumes responsibility for freeing */
2932 return retcode;
2936 * Bring the server to the foreground.
2938 void
2939 serverForeground(name)
2940 char_u *name;
2942 HWND target = findServer(name);
2944 if (target != 0)
2945 SetForegroundWindow(target);
2948 /* Replies from server need to be stored until the client picks them up via
2949 * remote_read(). So we maintain a list of server-id/reply pairs.
2950 * Note that there could be multiple replies from one server pending if the
2951 * client is slow picking them up.
2952 * We just store the replies in a simple list. When we remove an entry, we
2953 * move list entries down to fill the gap.
2954 * The server ID is simply the HWND.
2956 typedef struct
2958 HWND server; /* server window */
2959 char_u *reply; /* reply string */
2960 int expr_result; /* 0 for REPLY, 1 for RESULT 2 for error */
2961 } reply_T;
2963 static garray_T reply_list = {0, 0, sizeof(reply_T), 5, 0};
2965 #define REPLY_ITEM(i) ((reply_T *)(reply_list.ga_data) + (i))
2966 #define REPLY_COUNT (reply_list.ga_len)
2968 /* Flag which is used to wait for a reply */
2969 static int reply_received = 0;
2972 * Store a reply. "reply" must be allocated memory (or NULL).
2974 static int
2975 save_reply(HWND server, char_u *reply, int expr)
2977 reply_T *rep;
2979 if (ga_grow(&reply_list, 1) == FAIL)
2980 return FAIL;
2982 rep = REPLY_ITEM(REPLY_COUNT);
2983 rep->server = server;
2984 rep->reply = reply;
2985 rep->expr_result = expr;
2986 if (rep->reply == NULL)
2987 return FAIL;
2989 ++REPLY_COUNT;
2990 reply_received = 1;
2991 return OK;
2995 * Get a reply from server "server".
2996 * When "expr_res" is non NULL, get the result of an expression, otherwise a
2997 * server2client() message.
2998 * When non NULL, point to return code. 0 => OK, -1 => ERROR
2999 * If "remove" is TRUE, consume the message, the caller must free it then.
3000 * if "wait" is TRUE block until a message arrives (or the server exits).
3002 char_u *
3003 serverGetReply(HWND server, int *expr_res, int remove, int wait)
3005 int i;
3006 char_u *reply;
3007 reply_T *rep;
3009 /* When waiting, loop until the message waiting for is received. */
3010 for (;;)
3012 /* Reset this here, in case a message arrives while we are going
3013 * through the already received messages. */
3014 reply_received = 0;
3016 for (i = 0; i < REPLY_COUNT; ++i)
3018 rep = REPLY_ITEM(i);
3019 if (rep->server == server
3020 && ((rep->expr_result != 0) == (expr_res != NULL)))
3022 /* Save the values we've found for later */
3023 reply = rep->reply;
3024 if (expr_res != NULL)
3025 *expr_res = rep->expr_result == 1 ? 0 : -1;
3027 if (remove)
3029 /* Move the rest of the list down to fill the gap */
3030 mch_memmove(rep, rep + 1,
3031 (REPLY_COUNT - i - 1) * sizeof(reply_T));
3032 --REPLY_COUNT;
3035 /* Return the reply to the caller, who takes on responsibility
3036 * for freeing it if "remove" is TRUE. */
3037 return reply;
3041 /* If we got here, we didn't find a reply. Return immediately if the
3042 * "wait" parameter isn't set. */
3043 if (!wait)
3044 break;
3046 /* We need to wait for a reply. Enter a message loop until the
3047 * "reply_received" flag gets set. */
3049 /* Loop until we receive a reply */
3050 while (reply_received == 0)
3052 /* Wait for a SendMessage() call to us. This could be the reply
3053 * we are waiting for. Use a timeout of a second, to catch the
3054 * situation that the server died unexpectedly. */
3055 MsgWaitForMultipleObjects(0, NULL, TRUE, 1000, QS_ALLINPUT);
3057 /* If the server has died, give up */
3058 if (!IsWindow(server))
3059 return NULL;
3061 serverProcessPendingMessages();
3065 return NULL;
3069 * Process any messages in the Windows message queue.
3071 void
3072 serverProcessPendingMessages(void)
3074 MSG msg;
3076 while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
3078 TranslateMessage(&msg);
3079 DispatchMessage(&msg);
3083 #endif /* FEAT_CLIENTSERVER */
3085 #if defined(FEAT_GUI) || (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) \
3086 || defined(PROTO)
3088 struct charset_pair
3090 char *name;
3091 BYTE charset;
3094 static struct charset_pair
3095 charset_pairs[] =
3097 {"ANSI", ANSI_CHARSET},
3098 {"CHINESEBIG5", CHINESEBIG5_CHARSET},
3099 {"DEFAULT", DEFAULT_CHARSET},
3100 {"HANGEUL", HANGEUL_CHARSET},
3101 {"OEM", OEM_CHARSET},
3102 {"SHIFTJIS", SHIFTJIS_CHARSET},
3103 {"SYMBOL", SYMBOL_CHARSET},
3104 #ifdef WIN3264
3105 {"ARABIC", ARABIC_CHARSET},
3106 {"BALTIC", BALTIC_CHARSET},
3107 {"EASTEUROPE", EASTEUROPE_CHARSET},
3108 {"GB2312", GB2312_CHARSET},
3109 {"GREEK", GREEK_CHARSET},
3110 {"HEBREW", HEBREW_CHARSET},
3111 {"JOHAB", JOHAB_CHARSET},
3112 {"MAC", MAC_CHARSET},
3113 {"RUSSIAN", RUSSIAN_CHARSET},
3114 {"THAI", THAI_CHARSET},
3115 {"TURKISH", TURKISH_CHARSET},
3116 # if (!defined(_MSC_VER) || (_MSC_VER > 1010)) \
3117 && (!defined(__BORLANDC__) || (__BORLANDC__ > 0x0500))
3118 {"VIETNAMESE", VIETNAMESE_CHARSET},
3119 # endif
3120 #endif
3121 {NULL, 0}
3125 * Convert a charset ID to a name.
3126 * Return NULL when not recognized.
3128 char *
3129 charset_id2name(int id)
3131 struct charset_pair *cp;
3133 for (cp = charset_pairs; cp->name != NULL; ++cp)
3134 if ((BYTE)id == cp->charset)
3135 break;
3136 return cp->name;
3139 static const LOGFONT s_lfDefault =
3141 -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
3142 OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
3143 PROOF_QUALITY, FIXED_PITCH | FF_DONTCARE,
3144 "Fixedsys" /* see _ReadVimIni */
3147 /* Initialise the "current height" to -12 (same as s_lfDefault) just
3148 * in case the user specifies a font in "guifont" with no size before a font
3149 * with an explicit size has been set. This defaults the size to this value
3150 * (-12 equates to roughly 9pt).
3152 int current_font_height = -12; /* also used in gui_w48.c */
3154 /* Convert a string representing a point size into pixels. The string should
3155 * be a positive decimal number, with an optional decimal point (eg, "12", or
3156 * "10.5"). The pixel value is returned, and a pointer to the next unconverted
3157 * character is stored in *end. The flag "vertical" says whether this
3158 * calculation is for a vertical (height) size or a horizontal (width) one.
3160 static int
3161 points_to_pixels(char_u *str, char_u **end, int vertical, long_i pprinter_dc)
3163 int pixels;
3164 int points = 0;
3165 int divisor = 0;
3166 HWND hwnd = (HWND)0;
3167 HDC hdc;
3168 HDC printer_dc = (HDC)pprinter_dc;
3170 while (*str != NUL)
3172 if (*str == '.' && divisor == 0)
3174 /* Start keeping a divisor, for later */
3175 divisor = 1;
3177 else
3179 if (!VIM_ISDIGIT(*str))
3180 break;
3182 points *= 10;
3183 points += *str - '0';
3184 divisor *= 10;
3186 ++str;
3189 if (divisor == 0)
3190 divisor = 1;
3192 if (printer_dc == NULL)
3194 hwnd = GetDesktopWindow();
3195 hdc = GetWindowDC(hwnd);
3197 else
3198 hdc = printer_dc;
3200 pixels = MulDiv(points,
3201 GetDeviceCaps(hdc, vertical ? LOGPIXELSY : LOGPIXELSX),
3202 72 * divisor);
3204 if (printer_dc == NULL)
3205 ReleaseDC(hwnd, hdc);
3207 *end = str;
3208 return pixels;
3211 /*ARGSUSED*/
3212 static int CALLBACK
3213 font_enumproc(
3214 ENUMLOGFONT *elf,
3215 NEWTEXTMETRIC *ntm,
3216 int type,
3217 LPARAM lparam)
3219 /* Return value:
3220 * 0 = terminate now (monospace & ANSI)
3221 * 1 = continue, still no luck...
3222 * 2 = continue, but we have an acceptable LOGFONT
3223 * (monospace, not ANSI)
3224 * We use these values, as EnumFontFamilies returns 1 if the
3225 * callback function is never called. So, we check the return as
3226 * 0 = perfect, 2 = OK, 1 = no good...
3227 * It's not pretty, but it works!
3230 LOGFONT *lf = (LOGFONT *)(lparam);
3232 #ifndef FEAT_PROPORTIONAL_FONTS
3233 /* Ignore non-monospace fonts without further ado */
3234 if ((ntm->tmPitchAndFamily & 1) != 0)
3235 return 1;
3236 #endif
3238 /* Remember this LOGFONT as a "possible" */
3239 *lf = elf->elfLogFont;
3241 /* Terminate the scan as soon as we find an ANSI font */
3242 if (lf->lfCharSet == ANSI_CHARSET
3243 || lf->lfCharSet == OEM_CHARSET
3244 || lf->lfCharSet == DEFAULT_CHARSET)
3245 return 0;
3247 /* Continue the scan - we have a non-ANSI font */
3248 return 2;
3251 static int
3252 init_logfont(LOGFONT *lf)
3254 int n;
3255 HWND hwnd = GetDesktopWindow();
3256 HDC hdc = GetWindowDC(hwnd);
3258 n = EnumFontFamilies(hdc,
3259 (LPCSTR)lf->lfFaceName,
3260 (FONTENUMPROC)font_enumproc,
3261 (LPARAM)lf);
3263 ReleaseDC(hwnd, hdc);
3265 /* If we couldn't find a useable font, return failure */
3266 if (n == 1)
3267 return FAIL;
3269 /* Tidy up the rest of the LOGFONT structure. We set to a basic
3270 * font - get_logfont() sets bold, italic, etc based on the user's
3271 * input.
3273 lf->lfHeight = current_font_height;
3274 lf->lfWidth = 0;
3275 lf->lfItalic = FALSE;
3276 lf->lfUnderline = FALSE;
3277 lf->lfStrikeOut = FALSE;
3278 lf->lfWeight = FW_NORMAL;
3280 /* Return success */
3281 return OK;
3285 * Get font info from "name" into logfont "lf".
3286 * Return OK for a valid name, FAIL otherwise.
3289 get_logfont(
3290 LOGFONT *lf,
3291 char_u *name,
3292 HDC printer_dc,
3293 int verbose)
3295 char_u *p;
3296 int i;
3297 static LOGFONT *lastlf = NULL;
3299 *lf = s_lfDefault;
3300 if (name == NULL)
3301 return OK;
3303 if (STRCMP(name, "*") == 0)
3305 #if defined(FEAT_GUI_W32)
3306 CHOOSEFONT cf;
3307 /* if name is "*", bring up std font dialog: */
3308 memset(&cf, 0, sizeof(cf));
3309 cf.lStructSize = sizeof(cf);
3310 cf.hwndOwner = s_hwnd;
3311 cf.Flags = CF_SCREENFONTS | CF_FIXEDPITCHONLY | CF_INITTOLOGFONTSTRUCT;
3312 if (lastlf != NULL)
3313 *lf = *lastlf;
3314 cf.lpLogFont = lf;
3315 cf.nFontType = 0 ; //REGULAR_FONTTYPE;
3316 if (ChooseFont(&cf))
3317 goto theend;
3318 #else
3319 return FAIL;
3320 #endif
3324 * Split name up, it could be <name>:h<height>:w<width> etc.
3326 for (p = name; *p && *p != ':'; p++)
3328 if (p - name + 1 > LF_FACESIZE)
3329 return FAIL; /* Name too long */
3330 lf->lfFaceName[p - name] = *p;
3332 if (p != name)
3333 lf->lfFaceName[p - name] = NUL;
3335 /* First set defaults */
3336 lf->lfHeight = -12;
3337 lf->lfWidth = 0;
3338 lf->lfWeight = FW_NORMAL;
3339 lf->lfItalic = FALSE;
3340 lf->lfUnderline = FALSE;
3341 lf->lfStrikeOut = FALSE;
3344 * If the font can't be found, try replacing '_' by ' '.
3346 if (init_logfont(lf) == FAIL)
3348 int did_replace = FALSE;
3350 for (i = 0; lf->lfFaceName[i]; ++i)
3351 if (lf->lfFaceName[i] == '_')
3353 lf->lfFaceName[i] = ' ';
3354 did_replace = TRUE;
3356 if (!did_replace || init_logfont(lf) == FAIL)
3357 return FAIL;
3360 while (*p == ':')
3361 p++;
3363 /* Set the values found after ':' */
3364 while (*p)
3366 switch (*p++)
3368 case 'h':
3369 lf->lfHeight = - points_to_pixels(p, &p, TRUE, (long_i)printer_dc);
3370 break;
3371 case 'w':
3372 lf->lfWidth = points_to_pixels(p, &p, FALSE, (long_i)printer_dc);
3373 break;
3374 case 'b':
3375 #ifndef MSWIN16_FASTTEXT
3376 lf->lfWeight = FW_BOLD;
3377 #endif
3378 break;
3379 case 'i':
3380 #ifndef MSWIN16_FASTTEXT
3381 lf->lfItalic = TRUE;
3382 #endif
3383 break;
3384 case 'u':
3385 lf->lfUnderline = TRUE;
3386 break;
3387 case 's':
3388 lf->lfStrikeOut = TRUE;
3389 break;
3390 case 'c':
3392 struct charset_pair *cp;
3394 for (cp = charset_pairs; cp->name != NULL; ++cp)
3395 if (STRNCMP(p, cp->name, strlen(cp->name)) == 0)
3397 lf->lfCharSet = cp->charset;
3398 p += strlen(cp->name);
3399 break;
3401 if (cp->name == NULL && verbose)
3403 vim_snprintf((char *)IObuff, IOSIZE,
3404 _("E244: Illegal charset name \"%s\" in font name \"%s\""), p, name);
3405 EMSG(IObuff);
3406 break;
3408 break;
3410 default:
3411 if (verbose)
3413 vim_snprintf((char *)IObuff, IOSIZE,
3414 _("E245: Illegal char '%c' in font name \"%s\""),
3415 p[-1], name);
3416 EMSG(IObuff);
3418 return FAIL;
3420 while (*p == ':')
3421 p++;
3424 #if defined(FEAT_GUI_W32)
3425 theend:
3426 #endif
3427 /* ron: init lastlf */
3428 if (printer_dc == NULL)
3430 vim_free(lastlf);
3431 lastlf = (LOGFONT *)alloc(sizeof(LOGFONT));
3432 if (lastlf != NULL)
3433 mch_memmove(lastlf, lf, sizeof(LOGFONT));
3436 return OK;
3439 #endif /* defined(FEAT_GUI) || defined(FEAT_PRINTER) */