Make icon module compilation more portable
[MacVim.git] / src / os_mswin.c
blob32a068f6bb28273f74666a546744c9a9b4fb81d2
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_utf16(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_utf16(fname, NULL);
410 if (wname != NULL && _wfullpath(wbuf, wname, MAX_PATH - 1) != NULL)
412 cname = utf16_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_utf16(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_utf16(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 UTF-16.
895 * "instr[inlen]" is the input. "inlen" is in bytes.
896 * When "outstr" is NULL only return the number of UTF-16 words produced.
897 * Otherwise "outstr" must be a buffer of sufficient size.
898 * Returns the number of UTF-16 words produced.
901 utf8_to_utf16(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;
907 int ch;
909 while (todo > 0)
911 /* Only convert if we have a complete sequence. */
912 l = utf_ptr2len_len(p, todo);
913 if (l > todo)
915 /* Return length of incomplete sequence. */
916 if (unconvlenp != NULL)
917 *unconvlenp = todo;
918 break;
921 ch = utf_ptr2char(p);
922 if (ch >= 0x10000)
924 /* non-BMP character, encoding with surrogate pairs */
925 ++outlen;
926 if (outstr != NULL)
928 *outstr++ = (0xD800 - (0x10000 >> 10)) + (ch >> 10);
929 *outstr++ = 0xDC00 | (ch & 0x3FF);
932 else if (outstr != NULL)
933 *outstr++ = ch;
934 ++outlen;
935 p += l;
936 todo -= l;
939 return outlen;
943 * Convert an UTF-16 string to UTF-8.
944 * The input is "instr[inlen]" with "inlen" in number of UTF-16 words.
945 * When "outstr" is NULL only return the required number of bytes.
946 * Otherwise "outstr" must be a buffer of sufficient size.
947 * Return the number of bytes produced.
950 utf16_to_utf8(short_u *instr, int inlen, char_u *outstr)
952 int outlen = 0;
953 int todo = inlen;
954 short_u *p = instr;
955 int l;
956 int ch, ch2;
958 while (todo > 0)
960 ch = *p;
961 if (ch >= 0xD800 && ch <= 0xDBFF && todo > 1)
963 /* surrogate pairs handling */
964 ch2 = p[1];
965 if (ch2 >= 0xDC00 && ch2 <= 0xDFFF)
967 ch = ((ch - 0xD800) << 10) + (ch2 & 0x3FF) + 0x10000;
968 ++p;
969 --todo;
972 if (outstr != NULL)
974 l = utf_char2bytes(ch, outstr);
975 outstr += l;
977 else
978 l = utf_char2len(ch);
979 ++p;
980 outlen += l;
981 --todo;
984 return outlen;
988 * Call MultiByteToWideChar() and allocate memory for the result.
989 * Returns the result in "*out[*outlen]" with an extra zero appended.
990 * "outlen" is in words.
992 void
993 MultiByteToWideChar_alloc(UINT cp, DWORD flags,
994 LPCSTR in, int inlen,
995 LPWSTR *out, int *outlen)
997 *outlen = MultiByteToWideChar(cp, flags, in, inlen, 0, 0);
998 /* Add one one word to avoid a zero-length alloc(). */
999 *out = (LPWSTR)alloc(sizeof(WCHAR) * (*outlen + 1));
1000 if (*out != NULL)
1002 MultiByteToWideChar(cp, flags, in, inlen, *out, *outlen);
1003 (*out)[*outlen] = 0;
1008 * Call WideCharToMultiByte() and allocate memory for the result.
1009 * Returns the result in "*out[*outlen]" with an extra NUL appended.
1011 void
1012 WideCharToMultiByte_alloc(UINT cp, DWORD flags,
1013 LPCWSTR in, int inlen,
1014 LPSTR *out, int *outlen,
1015 LPCSTR def, LPBOOL useddef)
1017 *outlen = WideCharToMultiByte(cp, flags, in, inlen, NULL, 0, def, useddef);
1018 /* Add one one byte to avoid a zero-length alloc(). */
1019 *out = alloc((unsigned)*outlen + 1);
1020 if (*out != NULL)
1022 WideCharToMultiByte(cp, flags, in, inlen, *out, *outlen, def, useddef);
1023 (*out)[*outlen] = 0;
1027 #endif /* FEAT_MBYTE */
1029 #ifdef FEAT_CLIPBOARD
1031 * Clipboard stuff, for cutting and pasting text to other windows.
1034 /* Type used for the clipboard type of Vim's data. */
1035 typedef struct
1037 int type; /* MCHAR, MBLOCK or MLINE */
1038 int txtlen; /* length of CF_TEXT in bytes */
1039 int ucslen; /* length of CF_UNICODETEXT in words */
1040 int rawlen; /* length of clip_star.format_raw, including encoding,
1041 excluding terminating NUL */
1042 } VimClipType_t;
1045 * Make vim the owner of the current selection. Return OK upon success.
1047 /*ARGSUSED*/
1049 clip_mch_own_selection(VimClipboard *cbd)
1052 * Never actually own the clipboard. If another application sets the
1053 * clipboard, we don't want to think that we still own it.
1055 return FAIL;
1059 * Make vim NOT the owner of the current selection.
1061 /*ARGSUSED*/
1062 void
1063 clip_mch_lose_selection(VimClipboard *cbd)
1065 /* Nothing needs to be done here */
1069 * Copy "str[*size]" into allocated memory, changing CR-NL to NL.
1070 * Return the allocated result and the size in "*size".
1071 * Returns NULL when out of memory.
1073 static char_u *
1074 crnl_to_nl(const char_u *str, int *size)
1076 int pos = 0;
1077 int str_len = *size;
1078 char_u *ret;
1079 char_u *retp;
1081 /* Avoid allocating zero bytes, it generates an error message. */
1082 ret = lalloc((long_u)(str_len == 0 ? 1 : str_len), TRUE);
1083 if (ret != NULL)
1085 retp = ret;
1086 for (pos = 0; pos < str_len; ++pos)
1088 if (str[pos] == '\r' && str[pos + 1] == '\n')
1090 ++pos;
1091 --(*size);
1093 *retp++ = str[pos];
1097 return ret;
1100 #if defined(FEAT_MBYTE) || defined(PROTO)
1102 * Note: the following two functions are only guaranteed to work when using
1103 * valid MS-Windows codepages or when iconv() is available.
1107 * Convert "str" from 'encoding' to UTF-16.
1108 * Input in "str" with length "*lenp". When "lenp" is NULL, use strlen().
1109 * Output is returned as an allocated string. "*lenp" is set to the length of
1110 * the result. A trailing NUL is always added.
1111 * Returns NULL when out of memory.
1113 short_u *
1114 enc_to_utf16(char_u *str, int *lenp)
1116 vimconv_T conv;
1117 WCHAR *ret;
1118 char_u *allocbuf = NULL;
1119 int len_loc;
1120 int length;
1122 if (lenp == NULL)
1124 len_loc = (int)STRLEN(str) + 1;
1125 lenp = &len_loc;
1128 if (enc_codepage > 0)
1130 /* We can do any CP### -> UTF-16 in one pass, and we can do it
1131 * without iconv() (convert_* may need iconv). */
1132 MultiByteToWideChar_alloc(enc_codepage, 0, str, *lenp, &ret, &length);
1134 else
1136 /* Use "latin1" by default, we might be called before we have p_enc
1137 * set up. Convert to utf-8 first, works better with iconv(). Does
1138 * nothing if 'encoding' is "utf-8". */
1139 conv.vc_type = CONV_NONE;
1140 if (convert_setup(&conv, p_enc ? p_enc : (char_u *)"latin1",
1141 (char_u *)"utf-8") == FAIL)
1142 return NULL;
1143 if (conv.vc_type != CONV_NONE)
1145 str = allocbuf = string_convert(&conv, str, lenp);
1146 if (str == NULL)
1147 return NULL;
1149 convert_setup(&conv, NULL, NULL);
1151 length = utf8_to_utf16(str, *lenp, NULL, NULL);
1152 ret = (WCHAR *)alloc((unsigned)((length + 1) * sizeof(WCHAR)));
1153 if (ret != NULL)
1155 utf8_to_utf16(str, *lenp, (short_u *)ret, NULL);
1156 ret[length] = 0;
1159 vim_free(allocbuf);
1162 *lenp = length;
1163 return (short_u *)ret;
1167 * Convert an UTF-16 string to 'encoding'.
1168 * Input in "str" with length (counted in wide characters) "*lenp". When
1169 * "lenp" is NULL, use wcslen().
1170 * Output is returned as an allocated string. If "*lenp" is not NULL it is
1171 * set to the length of the result.
1172 * Returns NULL when out of memory.
1174 char_u *
1175 utf16_to_enc(short_u *str, int *lenp)
1177 vimconv_T conv;
1178 char_u *utf8_str = NULL, *enc_str = NULL;
1179 int len_loc;
1181 if (lenp == NULL)
1183 len_loc = (int)wcslen(str) + 1;
1184 lenp = &len_loc;
1187 if (enc_codepage > 0)
1189 /* We can do any UTF-16 -> CP### in one pass. */
1190 int length;
1192 WideCharToMultiByte_alloc(enc_codepage, 0, str, *lenp,
1193 (LPSTR *)&enc_str, &length, 0, 0);
1194 *lenp = length;
1195 return enc_str;
1198 /* Avoid allocating zero bytes, it generates an error message. */
1199 utf8_str = alloc(utf16_to_utf8(str, *lenp == 0 ? 1 : *lenp, NULL));
1200 if (utf8_str != NULL)
1202 *lenp = utf16_to_utf8(str, *lenp, utf8_str);
1204 /* We might be called before we have p_enc set up. */
1205 conv.vc_type = CONV_NONE;
1206 convert_setup(&conv, (char_u *)"utf-8",
1207 p_enc? p_enc: (char_u *)"latin1");
1208 if (conv.vc_type == CONV_NONE)
1210 /* p_enc is utf-8, so we're done. */
1211 enc_str = utf8_str;
1213 else
1215 enc_str = string_convert(&conv, utf8_str, lenp);
1216 vim_free(utf8_str);
1219 convert_setup(&conv, NULL, NULL);
1222 return enc_str;
1224 #endif /* FEAT_MBYTE */
1227 * Get the current selection and put it in the clipboard register.
1229 * NOTE: Must use GlobalLock/Unlock here to ensure Win32s compatibility.
1230 * On NT/W95 the clipboard data is a fixed global memory object and
1231 * so its handle = its pointer.
1232 * On Win32s, however, co-operation with the Win16 system means that
1233 * the clipboard data is moveable and its handle is not a pointer at all,
1234 * so we can't just cast the return value of GetClipboardData to (char_u*).
1235 * <VN>
1237 void
1238 clip_mch_request_selection(VimClipboard *cbd)
1240 VimClipType_t metadata = { -1, -1, -1, -1 };
1241 HGLOBAL hMem = NULL;
1242 char_u *str = NULL;
1243 #if defined(FEAT_MBYTE) && defined(WIN3264)
1244 char_u *to_free = NULL;
1245 #endif
1246 #ifdef FEAT_MBYTE
1247 HGLOBAL rawh = NULL;
1248 #endif
1249 int str_size = 0;
1250 int maxlen;
1251 size_t n;
1254 * Don't pass GetActiveWindow() as an argument to OpenClipboard() because
1255 * then we can't paste back into the same window for some reason - webb.
1257 if (!OpenClipboard(NULL))
1258 return;
1260 /* Check for vim's own clipboard format first. This only gets the type of
1261 * the data, still need to use CF_UNICODETEXT or CF_TEXT for the text. */
1262 if (IsClipboardFormatAvailable(cbd->format))
1264 VimClipType_t *meta_p;
1265 HGLOBAL meta_h;
1267 /* We have metadata on the clipboard; try to get it. */
1268 if ((meta_h = GetClipboardData(cbd->format)) != NULL
1269 && (meta_p = (VimClipType_t *)GlobalLock(meta_h)) != NULL)
1271 /* The size of "VimClipType_t" changed, "rawlen" was added later.
1272 * Only copy what is available for backwards compatibility. */
1273 n = sizeof(VimClipType_t);
1274 if (GlobalSize(meta_h) < n)
1275 n = GlobalSize(meta_h);
1276 memcpy(&metadata, meta_p, n);
1277 GlobalUnlock(meta_h);
1281 #ifdef FEAT_MBYTE
1282 /* Check for Vim's raw clipboard format first. This is used without
1283 * conversion, but only if 'encoding' matches. */
1284 if (IsClipboardFormatAvailable(cbd->format_raw)
1285 && metadata.rawlen > (int)STRLEN(p_enc))
1287 /* We have raw data on the clipboard; try to get it. */
1288 if ((rawh = GetClipboardData(cbd->format_raw)) != NULL)
1290 char_u *rawp;
1292 rawp = (char_u *)GlobalLock(rawh);
1293 if (rawp != NULL && STRCMP(p_enc, rawp) == 0)
1295 n = STRLEN(p_enc) + 1;
1296 str = rawp + n;
1297 str_size = (int)(metadata.rawlen - n);
1299 else
1301 GlobalUnlock(rawh);
1302 rawh = NULL;
1306 if (str == NULL)
1308 #endif
1310 #if defined(FEAT_MBYTE) && defined(WIN3264)
1311 /* Try to get the clipboard in Unicode if it's not an empty string. */
1312 if (IsClipboardFormatAvailable(CF_UNICODETEXT) && metadata.ucslen != 0)
1314 HGLOBAL hMemW;
1316 if ((hMemW = GetClipboardData(CF_UNICODETEXT)) != NULL)
1318 WCHAR *hMemWstr = (WCHAR *)GlobalLock(hMemW);
1320 /* Use the length of our metadata if possible, but limit it to the
1321 * GlobalSize() for safety. */
1322 maxlen = (int)(GlobalSize(hMemW) / sizeof(WCHAR));
1323 if (metadata.ucslen >= 0)
1325 if (metadata.ucslen > maxlen)
1326 str_size = maxlen;
1327 else
1328 str_size = metadata.ucslen;
1330 else
1332 for (str_size = 0; str_size < maxlen; ++str_size)
1333 if (hMemWstr[str_size] == NUL)
1334 break;
1336 to_free = str = utf16_to_enc((short_u *)hMemWstr, &str_size);
1337 GlobalUnlock(hMemW);
1340 else
1341 #endif
1342 /* Get the clipboard in the Active codepage. */
1343 if (IsClipboardFormatAvailable(CF_TEXT))
1345 if ((hMem = GetClipboardData(CF_TEXT)) != NULL)
1347 str = (char_u *)GlobalLock(hMem);
1349 /* The length is either what our metadata says or the strlen().
1350 * But limit it to the GlobalSize() for safety. */
1351 maxlen = (int)GlobalSize(hMem);
1352 if (metadata.txtlen >= 0)
1354 if (metadata.txtlen > maxlen)
1355 str_size = maxlen;
1356 else
1357 str_size = metadata.txtlen;
1359 else
1361 for (str_size = 0; str_size < maxlen; ++str_size)
1362 if (str[str_size] == NUL)
1363 break;
1366 # if defined(FEAT_MBYTE) && defined(WIN3264)
1367 /* The text is in the active codepage. Convert to 'encoding',
1368 * going through UTF-16. */
1369 acp_to_enc(str, str_size, &to_free, &maxlen);
1370 if (to_free != NULL)
1372 str_size = maxlen;
1373 str = to_free;
1375 # endif
1378 #ifdef FEAT_MBYTE
1380 #endif
1382 if (str != NULL && *str != NUL)
1384 char_u *temp_clipboard;
1386 /* If the type is not known guess it. */
1387 if (metadata.type == -1)
1388 metadata.type = (vim_strchr(str, '\n') == NULL) ? MCHAR : MLINE;
1390 /* Translate <CR><NL> into <NL>. */
1391 temp_clipboard = crnl_to_nl(str, &str_size);
1392 if (temp_clipboard != NULL)
1394 clip_yank_selection(metadata.type, temp_clipboard, str_size, cbd);
1395 vim_free(temp_clipboard);
1399 /* unlock the global object */
1400 if (hMem != NULL)
1401 GlobalUnlock(hMem);
1402 #ifdef FEAT_MBYTE
1403 if (rawh != NULL)
1404 GlobalUnlock(rawh);
1405 #endif
1406 CloseClipboard();
1407 #if defined(FEAT_MBYTE) && defined(WIN3264)
1408 vim_free(to_free);
1409 #endif
1412 #if (defined(FEAT_MBYTE) && defined(WIN3264)) || defined(PROTO)
1414 * Convert from the active codepage to 'encoding'.
1415 * Input is "str[str_size]".
1416 * The result is in allocated memory: "out[outlen]". With terminating NUL.
1418 void
1419 acp_to_enc(str, str_size, out, outlen)
1420 char_u *str;
1421 int str_size;
1422 char_u **out;
1423 int *outlen;
1426 LPWSTR widestr;
1428 MultiByteToWideChar_alloc(GetACP(), 0, str, str_size, &widestr, outlen);
1429 if (widestr != NULL)
1431 ++*outlen; /* Include the 0 after the string */
1432 *out = utf16_to_enc((short_u *)widestr, outlen);
1433 vim_free(widestr);
1436 #endif
1439 * Send the current selection to the clipboard.
1441 void
1442 clip_mch_set_selection(VimClipboard *cbd)
1444 char_u *str = NULL;
1445 VimClipType_t metadata;
1446 long_u txtlen;
1447 HGLOBAL hMemRaw = NULL;
1448 HGLOBAL hMem = NULL;
1449 HGLOBAL hMemVim = NULL;
1450 # if defined(FEAT_MBYTE) && defined(WIN3264)
1451 HGLOBAL hMemW = NULL;
1452 # endif
1454 /* If the '*' register isn't already filled in, fill it in now */
1455 cbd->owned = TRUE;
1456 clip_get_selection(cbd);
1457 cbd->owned = FALSE;
1459 /* Get the text to be put on the clipboard, with CR-LF. */
1460 metadata.type = clip_convert_selection(&str, &txtlen, cbd);
1461 if (metadata.type < 0)
1462 return;
1463 metadata.txtlen = (int)txtlen;
1464 metadata.ucslen = 0;
1465 metadata.rawlen = 0;
1467 #ifdef FEAT_MBYTE
1468 /* Always set the raw bytes: 'encoding', NUL and the text. This is used
1469 * when copy/paste from/to Vim with the same 'encoding', so that illegal
1470 * bytes can also be copied and no conversion is needed. */
1472 LPSTR lpszMemRaw;
1474 metadata.rawlen = (int)(txtlen + STRLEN(p_enc) + 1);
1475 hMemRaw = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
1476 metadata.rawlen + 1);
1477 lpszMemRaw = (LPSTR)GlobalLock(hMemRaw);
1478 if (lpszMemRaw != NULL)
1480 STRCPY(lpszMemRaw, p_enc);
1481 memcpy(lpszMemRaw + STRLEN(p_enc) + 1, str, txtlen + 1);
1482 GlobalUnlock(hMemRaw);
1484 else
1485 metadata.rawlen = 0;
1487 #endif
1489 # if defined(FEAT_MBYTE) && defined(WIN3264)
1491 WCHAR *out;
1492 int len = metadata.txtlen;
1494 /* Convert the text to UTF-16. This is put on the clipboard as
1495 * CF_UNICODETEXT. */
1496 out = (WCHAR *)enc_to_utf16(str, &len);
1497 if (out != NULL)
1499 WCHAR *lpszMemW;
1501 /* Convert the text for CF_TEXT to Active codepage. Otherwise it's
1502 * p_enc, which has no relation to the Active codepage. */
1503 metadata.txtlen = WideCharToMultiByte(GetACP(), 0, out, len,
1504 NULL, 0, 0, 0);
1505 vim_free(str);
1506 str = (char_u *)alloc((unsigned)(metadata.txtlen == 0 ? 1
1507 : metadata.txtlen));
1508 if (str == NULL)
1510 vim_free(out);
1511 return; /* out of memory */
1513 WideCharToMultiByte(GetACP(), 0, out, len,
1514 str, metadata.txtlen, 0, 0);
1516 /* Allocate memory for the UTF-16 text, add one NUL word to
1517 * terminate the string. */
1518 hMemW = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
1519 (len + 1) * sizeof(WCHAR));
1520 lpszMemW = (WCHAR *)GlobalLock(hMemW);
1521 if (lpszMemW != NULL)
1523 memcpy(lpszMemW, out, len * sizeof(WCHAR));
1524 lpszMemW[len] = NUL;
1525 GlobalUnlock(hMemW);
1527 vim_free(out);
1528 metadata.ucslen = len;
1531 # endif
1533 /* Allocate memory for the text, add one NUL byte to terminate the string.
1535 hMem = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, metadata.txtlen + 1);
1537 LPSTR lpszMem = (LPSTR)GlobalLock(hMem);
1539 if (lpszMem)
1541 vim_strncpy(lpszMem, str, metadata.txtlen);
1542 GlobalUnlock(hMem);
1546 /* Set up metadata: */
1548 VimClipType_t *lpszMemVim = NULL;
1550 hMemVim = GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE,
1551 sizeof(VimClipType_t));
1552 lpszMemVim = (VimClipType_t *)GlobalLock(hMemVim);
1553 memcpy(lpszMemVim, &metadata, sizeof(metadata));
1554 GlobalUnlock(hMemVim);
1558 * Open the clipboard, clear it and put our text on it.
1559 * Always set our Vim format. Put Unicode and plain text on it.
1561 * Don't pass GetActiveWindow() as an argument to OpenClipboard()
1562 * because then we can't paste back into the same window for some
1563 * reason - webb.
1565 if (OpenClipboard(NULL))
1567 if (EmptyClipboard())
1569 SetClipboardData(cbd->format, hMemVim);
1570 hMemVim = 0;
1571 # if defined(FEAT_MBYTE) && defined(WIN3264)
1572 if (hMemW != NULL)
1574 if (SetClipboardData(CF_UNICODETEXT, hMemW) != NULL)
1575 hMemW = NULL;
1577 # endif
1578 /* Always use CF_TEXT. On Win98 Notepad won't obtain the
1579 * CF_UNICODETEXT text, only CF_TEXT. */
1580 SetClipboardData(CF_TEXT, hMem);
1581 hMem = 0;
1583 CloseClipboard();
1586 vim_free(str);
1587 /* Free any allocations we didn't give to the clipboard: */
1588 if (hMemRaw)
1589 GlobalFree(hMemRaw);
1590 if (hMem)
1591 GlobalFree(hMem);
1592 # if defined(FEAT_MBYTE) && defined(WIN3264)
1593 if (hMemW)
1594 GlobalFree(hMemW);
1595 # endif
1596 if (hMemVim)
1597 GlobalFree(hMemVim);
1600 #endif /* FEAT_CLIPBOARD */
1604 * Debugging helper: expose the MCH_WRITE_DUMP stuff to other modules
1606 /*ARGSUSED*/
1607 void
1608 DumpPutS(
1609 const char *psz)
1611 # ifdef MCH_WRITE_DUMP
1612 if (fdDump)
1614 fputs(psz, fdDump);
1615 if (psz[strlen(psz) - 1] != '\n')
1616 fputc('\n', fdDump);
1617 fflush(fdDump);
1619 # endif
1622 #ifdef _DEBUG
1624 void __cdecl
1625 Trace(
1626 char *pszFormat,
1627 ...)
1629 CHAR szBuff[2048];
1630 va_list args;
1632 va_start(args, pszFormat);
1633 vsprintf(szBuff, pszFormat, args);
1634 va_end(args);
1636 OutputDebugString(szBuff);
1639 #endif //_DEBUG
1641 #if !defined(FEAT_GUI) || defined(PROTO)
1642 # if defined(FEAT_TITLE) && defined(WIN3264)
1643 extern HWND g_hWnd; /* This is in os_win32.c. */
1644 # endif
1647 * Showing the printer dialog is tricky since we have no GUI
1648 * window to parent it. The following routines are needed to
1649 * get the window parenting and Z-order to work properly.
1651 static void
1652 GetConsoleHwnd(void)
1654 # define MY_BUFSIZE 1024 // Buffer size for console window titles.
1656 char pszNewWindowTitle[MY_BUFSIZE]; // Contains fabricated WindowTitle.
1657 char pszOldWindowTitle[MY_BUFSIZE]; // Contains original WindowTitle.
1659 /* Skip if it's already set. */
1660 if (s_hwnd != 0)
1661 return;
1663 # if defined(FEAT_TITLE) && defined(WIN3264)
1664 /* Window handle may have been found by init code (Windows NT only) */
1665 if (g_hWnd != 0)
1667 s_hwnd = g_hWnd;
1668 return;
1670 # endif
1672 GetConsoleTitle(pszOldWindowTitle, MY_BUFSIZE);
1674 wsprintf(pszNewWindowTitle, "%s/%d/%d",
1675 pszOldWindowTitle,
1676 GetTickCount(),
1677 GetCurrentProcessId());
1678 SetConsoleTitle(pszNewWindowTitle);
1679 Sleep(40);
1680 s_hwnd = FindWindow(NULL, pszNewWindowTitle);
1682 SetConsoleTitle(pszOldWindowTitle);
1686 * Console implementation of ":winpos".
1689 mch_get_winpos(int *x, int *y)
1691 RECT rect;
1693 GetConsoleHwnd();
1694 GetWindowRect(s_hwnd, &rect);
1695 *x = rect.left;
1696 *y = rect.top;
1697 return OK;
1701 * Console implementation of ":winpos x y".
1703 void
1704 mch_set_winpos(int x, int y)
1706 GetConsoleHwnd();
1707 SetWindowPos(s_hwnd, NULL, x, y, 0, 0,
1708 SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
1710 #endif
1712 #if (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) || defined(PROTO)
1714 # ifdef WIN16
1715 # define TEXT(a) a
1716 # endif
1717 /*=================================================================
1718 * Win32 printer stuff
1721 static HFONT prt_font_handles[2][2][2];
1722 static PRINTDLG prt_dlg;
1723 static const int boldface[2] = {FW_REGULAR, FW_BOLD};
1724 static TEXTMETRIC prt_tm;
1725 static int prt_line_height;
1726 static int prt_number_width;
1727 static int prt_left_margin;
1728 static int prt_right_margin;
1729 static int prt_top_margin;
1730 static char_u szAppName[] = TEXT("VIM");
1731 static HWND hDlgPrint;
1732 static int *bUserAbort = NULL;
1733 static char_u *prt_name = NULL;
1735 /* Defines which are also in vim.rc. */
1736 #define IDC_BOX1 400
1737 #define IDC_PRINTTEXT1 401
1738 #define IDC_PRINTTEXT2 402
1739 #define IDC_PROGRESS 403
1742 * Convert BGR to RGB for Windows GDI calls
1744 static COLORREF
1745 swap_me(COLORREF colorref)
1747 int temp;
1748 char *ptr = (char *)&colorref;
1750 temp = *(ptr);
1751 *(ptr ) = *(ptr + 2);
1752 *(ptr + 2) = temp;
1753 return colorref;
1756 /* Attempt to make this work for old and new compilers */
1757 #if _MSC_VER < 1300
1758 # define PDP_RETVAL BOOL
1759 #else
1760 # define PDP_RETVAL INT_PTR
1761 #endif
1763 /*ARGSUSED*/
1764 static PDP_RETVAL CALLBACK
1765 PrintDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
1767 #ifdef FEAT_GETTEXT
1768 NONCLIENTMETRICS nm;
1769 static HFONT hfont;
1770 #endif
1772 switch (message)
1774 case WM_INITDIALOG:
1775 #ifdef FEAT_GETTEXT
1776 nm.cbSize = sizeof(NONCLIENTMETRICS);
1777 if (SystemParametersInfo(
1778 SPI_GETNONCLIENTMETRICS,
1779 sizeof(NONCLIENTMETRICS),
1780 &nm,
1783 char buff[MAX_PATH];
1784 int i;
1786 /* Translate the dialog texts */
1787 hfont = CreateFontIndirect(&nm.lfMessageFont);
1788 for (i = IDC_PRINTTEXT1; i <= IDC_PROGRESS; i++)
1790 SendDlgItemMessage(hDlg, i, WM_SETFONT, (WPARAM)hfont, 1);
1791 if (GetDlgItemText(hDlg,i, buff, sizeof(buff)))
1792 SetDlgItemText(hDlg,i, _(buff));
1794 SendDlgItemMessage(hDlg, IDCANCEL,
1795 WM_SETFONT, (WPARAM)hfont, 1);
1796 if (GetDlgItemText(hDlg,IDCANCEL, buff, sizeof(buff)))
1797 SetDlgItemText(hDlg,IDCANCEL, _(buff));
1799 #endif
1800 SetWindowText(hDlg, szAppName);
1801 if (prt_name != NULL)
1803 SetDlgItemText(hDlg, IDC_PRINTTEXT2, (LPSTR)prt_name);
1804 vim_free(prt_name);
1805 prt_name = NULL;
1807 EnableMenuItem(GetSystemMenu(hDlg, FALSE), SC_CLOSE, MF_GRAYED);
1808 #ifndef FEAT_GUI
1809 BringWindowToTop(s_hwnd);
1810 #endif
1811 return TRUE;
1813 case WM_COMMAND:
1814 *bUserAbort = TRUE;
1815 EnableWindow(GetParent(hDlg), TRUE);
1816 DestroyWindow(hDlg);
1817 hDlgPrint = NULL;
1818 #ifdef FEAT_GETTEXT
1819 DeleteObject(hfont);
1820 #endif
1821 return TRUE;
1823 return FALSE;
1826 /*ARGSUSED*/
1827 static BOOL CALLBACK
1828 AbortProc(HDC hdcPrn, int iCode)
1830 MSG msg;
1832 while (!*bUserAbort && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
1834 if (!hDlgPrint || !IsDialogMessage(hDlgPrint, &msg))
1836 TranslateMessage(&msg);
1837 DispatchMessage(&msg);
1840 return !*bUserAbort;
1843 #ifndef FEAT_GUI
1845 static UINT CALLBACK
1846 PrintHookProc(
1847 HWND hDlg, // handle to dialog box
1848 UINT uiMsg, // message identifier
1849 WPARAM wParam, // message parameter
1850 LPARAM lParam // message parameter
1853 HWND hwndOwner;
1854 RECT rc, rcDlg, rcOwner;
1855 PRINTDLG *pPD;
1857 if (uiMsg == WM_INITDIALOG)
1859 // Get the owner window and dialog box rectangles.
1860 if ((hwndOwner = GetParent(hDlg)) == NULL)
1861 hwndOwner = GetDesktopWindow();
1863 GetWindowRect(hwndOwner, &rcOwner);
1864 GetWindowRect(hDlg, &rcDlg);
1865 CopyRect(&rc, &rcOwner);
1867 // Offset the owner and dialog box rectangles so that
1868 // right and bottom values represent the width and
1869 // height, and then offset the owner again to discard
1870 // space taken up by the dialog box.
1872 OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
1873 OffsetRect(&rc, -rc.left, -rc.top);
1874 OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
1876 // The new position is the sum of half the remaining
1877 // space and the owner's original position.
1879 SetWindowPos(hDlg,
1880 HWND_TOP,
1881 rcOwner.left + (rc.right / 2),
1882 rcOwner.top + (rc.bottom / 2),
1883 0, 0, // ignores size arguments
1884 SWP_NOSIZE);
1886 /* tackle the printdlg copiesctrl problem */
1887 pPD = (PRINTDLG *)lParam;
1888 pPD->nCopies = (WORD)pPD->lCustData;
1889 SetDlgItemInt( hDlg, edt3, pPD->nCopies, FALSE );
1890 /* Bring the window to top */
1891 BringWindowToTop(GetParent(hDlg));
1892 SetForegroundWindow(hDlg);
1895 return FALSE;
1897 #endif
1899 void
1900 mch_print_cleanup(void)
1902 int pifItalic;
1903 int pifBold;
1904 int pifUnderline;
1906 for (pifBold = 0; pifBold <= 1; pifBold++)
1907 for (pifItalic = 0; pifItalic <= 1; pifItalic++)
1908 for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
1909 DeleteObject(prt_font_handles[pifBold][pifItalic][pifUnderline]);
1911 if (prt_dlg.hDC != NULL)
1912 DeleteDC(prt_dlg.hDC);
1913 if (!*bUserAbort)
1914 SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
1917 static int
1918 to_device_units(int idx, int dpi, int physsize, int offset, int def_number)
1920 int ret = 0;
1921 int u;
1922 int nr;
1924 u = prt_get_unit(idx);
1925 if (u == PRT_UNIT_NONE)
1927 u = PRT_UNIT_PERC;
1928 nr = def_number;
1930 else
1931 nr = printer_opts[idx].number;
1933 switch (u)
1935 case PRT_UNIT_PERC:
1936 ret = (physsize * nr) / 100;
1937 break;
1938 case PRT_UNIT_INCH:
1939 ret = (nr * dpi);
1940 break;
1941 case PRT_UNIT_MM:
1942 ret = (nr * 10 * dpi) / 254;
1943 break;
1944 case PRT_UNIT_POINT:
1945 ret = (nr * 10 * dpi) / 720;
1946 break;
1949 if (ret < offset)
1950 return 0;
1951 else
1952 return ret - offset;
1955 static int
1956 prt_get_cpl(void)
1958 int hr;
1959 int phyw;
1960 int dvoff;
1961 int rev_offset;
1962 int dpi;
1963 #ifdef WIN16
1964 POINT pagesize;
1965 #endif
1967 GetTextMetrics(prt_dlg.hDC, &prt_tm);
1968 prt_line_height = prt_tm.tmHeight + prt_tm.tmExternalLeading;
1970 hr = GetDeviceCaps(prt_dlg.hDC, HORZRES);
1971 #ifdef WIN16
1972 Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
1973 phyw = pagesize.x;
1974 Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
1975 dvoff = pagesize.x;
1976 #else
1977 phyw = GetDeviceCaps(prt_dlg.hDC, PHYSICALWIDTH);
1978 dvoff = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETX);
1979 #endif
1980 dpi = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSX);
1982 rev_offset = phyw - (dvoff + hr);
1984 prt_left_margin = to_device_units(OPT_PRINT_LEFT, dpi, phyw, dvoff, 10);
1985 if (prt_use_number())
1987 prt_number_width = PRINT_NUMBER_WIDTH * prt_tm.tmAveCharWidth;
1988 prt_left_margin += prt_number_width;
1990 else
1991 prt_number_width = 0;
1993 prt_right_margin = hr - to_device_units(OPT_PRINT_RIGHT, dpi, phyw,
1994 rev_offset, 5);
1996 return (prt_right_margin - prt_left_margin) / prt_tm.tmAveCharWidth;
1999 static int
2000 prt_get_lpp(void)
2002 int vr;
2003 int phyw;
2004 int dvoff;
2005 int rev_offset;
2006 int bottom_margin;
2007 int dpi;
2008 #ifdef WIN16
2009 POINT pagesize;
2010 #endif
2012 vr = GetDeviceCaps(prt_dlg.hDC, VERTRES);
2013 #ifdef WIN16
2014 Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
2015 phyw = pagesize.y;
2016 Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
2017 dvoff = pagesize.y;
2018 #else
2019 phyw = GetDeviceCaps(prt_dlg.hDC, PHYSICALHEIGHT);
2020 dvoff = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETY);
2021 #endif
2022 dpi = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSY);
2024 rev_offset = phyw - (dvoff + vr);
2026 prt_top_margin = to_device_units(OPT_PRINT_TOP, dpi, phyw, dvoff, 5);
2028 /* adjust top margin if there is a header */
2029 prt_top_margin += prt_line_height * prt_header_height();
2031 bottom_margin = vr - to_device_units(OPT_PRINT_BOT, dpi, phyw,
2032 rev_offset, 5);
2034 return (bottom_margin - prt_top_margin) / prt_line_height;
2038 mch_print_init(prt_settings_T *psettings, char_u *jobname, int forceit)
2040 static HGLOBAL stored_dm = NULL;
2041 static HGLOBAL stored_devn = NULL;
2042 static int stored_nCopies = 1;
2043 static int stored_nFlags = 0;
2045 LOGFONT fLogFont;
2046 int pifItalic;
2047 int pifBold;
2048 int pifUnderline;
2050 DEVMODE *mem;
2051 DEVNAMES *devname;
2052 int i;
2054 bUserAbort = &(psettings->user_abort);
2055 memset(&prt_dlg, 0, sizeof(PRINTDLG));
2056 prt_dlg.lStructSize = sizeof(PRINTDLG);
2057 #ifndef FEAT_GUI
2058 GetConsoleHwnd(); /* get value of s_hwnd */
2059 #endif
2060 prt_dlg.hwndOwner = s_hwnd;
2061 prt_dlg.Flags = PD_NOPAGENUMS | PD_NOSELECTION | PD_RETURNDC;
2062 if (!forceit)
2064 prt_dlg.hDevMode = stored_dm;
2065 prt_dlg.hDevNames = stored_devn;
2066 prt_dlg.lCustData = stored_nCopies; // work around bug in print dialog
2067 #ifndef FEAT_GUI
2069 * Use hook to prevent console window being sent to back
2071 prt_dlg.lpfnPrintHook = PrintHookProc;
2072 prt_dlg.Flags |= PD_ENABLEPRINTHOOK;
2073 #endif
2074 prt_dlg.Flags |= stored_nFlags;
2078 * If bang present, return default printer setup with no dialog
2079 * never show dialog if we are running over telnet
2081 if (forceit
2082 #ifndef FEAT_GUI
2083 || !term_console
2084 #endif
2087 prt_dlg.Flags |= PD_RETURNDEFAULT;
2088 #ifdef WIN3264
2090 * MSDN suggests setting the first parameter to WINSPOOL for
2091 * NT, but NULL appears to work just as well.
2093 if (*p_pdev != NUL)
2094 prt_dlg.hDC = CreateDC(NULL, p_pdev, NULL, NULL);
2095 else
2096 #endif
2098 prt_dlg.Flags |= PD_RETURNDEFAULT;
2099 if (PrintDlg(&prt_dlg) == 0)
2100 goto init_fail_dlg;
2103 else if (PrintDlg(&prt_dlg) == 0)
2104 goto init_fail_dlg;
2105 else
2108 * keep the previous driver context
2110 stored_dm = prt_dlg.hDevMode;
2111 stored_devn = prt_dlg.hDevNames;
2112 stored_nFlags = prt_dlg.Flags;
2113 stored_nCopies = prt_dlg.nCopies;
2116 if (prt_dlg.hDC == NULL)
2118 EMSG(_("E237: Printer selection failed"));
2119 mch_print_cleanup();
2120 return FALSE;
2123 /* Not all printer drivers report the support of color (or grey) in the
2124 * same way. Let's set has_color if there appears to be some way to print
2125 * more than B&W. */
2126 i = GetDeviceCaps(prt_dlg.hDC, NUMCOLORS);
2127 psettings->has_color = (GetDeviceCaps(prt_dlg.hDC, BITSPIXEL) > 1
2128 || GetDeviceCaps(prt_dlg.hDC, PLANES) > 1
2129 || i > 2 || i == -1);
2131 /* Ensure all font styles are baseline aligned */
2132 SetTextAlign(prt_dlg.hDC, TA_BASELINE|TA_LEFT);
2135 * On some windows systems the nCopies parameter is not
2136 * passed back correctly. It must be retrieved from the
2137 * hDevMode struct.
2139 mem = (DEVMODE *)GlobalLock(prt_dlg.hDevMode);
2140 if (mem != NULL)
2142 #ifdef WIN3264
2143 if (mem->dmCopies != 1)
2144 stored_nCopies = mem->dmCopies;
2145 #endif
2146 if ((mem->dmFields & DM_DUPLEX) && (mem->dmDuplex & ~DMDUP_SIMPLEX))
2147 psettings->duplex = TRUE;
2148 if ((mem->dmFields & DM_COLOR) && (mem->dmColor & DMCOLOR_COLOR))
2149 psettings->has_color = TRUE;
2151 GlobalUnlock(prt_dlg.hDevMode);
2153 devname = (DEVNAMES *)GlobalLock(prt_dlg.hDevNames);
2154 if (devname != 0)
2156 char_u *printer_name = (char_u *)devname + devname->wDeviceOffset;
2157 char_u *port_name = (char_u *)devname +devname->wOutputOffset;
2158 char_u *text = _("to %s on %s");
2160 prt_name = alloc((unsigned)(STRLEN(printer_name) + STRLEN(port_name)
2161 + STRLEN(text)));
2162 if (prt_name != NULL)
2163 wsprintf(prt_name, text, printer_name, port_name);
2165 GlobalUnlock(prt_dlg.hDevNames);
2168 * Initialise the font according to 'printfont'
2170 memset(&fLogFont, 0, sizeof(fLogFont));
2171 if (get_logfont(&fLogFont, p_pfn, prt_dlg.hDC, TRUE) == FAIL)
2173 EMSG2(_("E613: Unknown printer font: %s"), p_pfn);
2174 mch_print_cleanup();
2175 return FALSE;
2178 for (pifBold = 0; pifBold <= 1; pifBold++)
2179 for (pifItalic = 0; pifItalic <= 1; pifItalic++)
2180 for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
2182 fLogFont.lfWeight = boldface[pifBold];
2183 fLogFont.lfItalic = pifItalic;
2184 fLogFont.lfUnderline = pifUnderline;
2185 prt_font_handles[pifBold][pifItalic][pifUnderline]
2186 = CreateFontIndirect(&fLogFont);
2189 SetBkMode(prt_dlg.hDC, OPAQUE);
2190 SelectObject(prt_dlg.hDC, prt_font_handles[0][0][0]);
2193 * Fill in the settings struct
2195 psettings->chars_per_line = prt_get_cpl();
2196 psettings->lines_per_page = prt_get_lpp();
2197 psettings->n_collated_copies = (prt_dlg.Flags & PD_COLLATE)
2198 ? prt_dlg.nCopies : 1;
2199 psettings->n_uncollated_copies = (prt_dlg.Flags & PD_COLLATE)
2200 ? 1 : prt_dlg.nCopies;
2202 if (psettings->n_collated_copies == 0)
2203 psettings->n_collated_copies = 1;
2205 if (psettings->n_uncollated_copies == 0)
2206 psettings->n_uncollated_copies = 1;
2208 psettings->jobname = jobname;
2210 return TRUE;
2212 init_fail_dlg:
2214 DWORD err = CommDlgExtendedError();
2216 if (err)
2218 #ifdef WIN16
2219 char buf[20];
2221 sprintf(buf, "%ld", err);
2222 EMSG2(_("E238: Print error: %s"), buf);
2223 #else
2224 char_u *buf;
2226 /* I suspect FormatMessage() doesn't work for values returned by
2227 * CommDlgExtendedError(). What does? */
2228 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
2229 FORMAT_MESSAGE_FROM_SYSTEM |
2230 FORMAT_MESSAGE_IGNORE_INSERTS,
2231 NULL, err, 0, (LPTSTR)(&buf), 0, NULL);
2232 EMSG2(_("E238: Print error: %s"),
2233 buf == NULL ? (char_u *)_("Unknown") : buf);
2234 LocalFree((LPVOID)(buf));
2235 #endif
2237 else
2238 msg_clr_eos(); /* Maybe canceled */
2240 mch_print_cleanup();
2241 return FALSE;
2247 mch_print_begin(prt_settings_T *psettings)
2249 int ret;
2250 static DOCINFO di;
2251 char szBuffer[300];
2253 hDlgPrint = CreateDialog(GetModuleHandle(NULL), TEXT("PrintDlgBox"),
2254 prt_dlg.hwndOwner, PrintDlgProc);
2255 #ifdef WIN16
2256 Escape(prt_dlg.hDC, SETABORTPROC, 0, (LPSTR)AbortProc, NULL);
2257 #else
2258 SetAbortProc(prt_dlg.hDC, AbortProc);
2259 #endif
2260 wsprintf(szBuffer, _("Printing '%s'"), gettail(psettings->jobname));
2261 SetDlgItemText(hDlgPrint, IDC_PRINTTEXT1, (LPSTR)szBuffer);
2263 memset(&di, 0, sizeof(DOCINFO));
2264 di.cbSize = sizeof(DOCINFO);
2265 di.lpszDocName = psettings->jobname;
2266 ret = StartDoc(prt_dlg.hDC, &di);
2268 #ifdef FEAT_GUI
2269 /* Give focus back to main window (when using MDI). */
2270 SetFocus(s_hwnd);
2271 #endif
2273 return (ret > 0);
2276 /*ARGSUSED*/
2277 void
2278 mch_print_end(prt_settings_T *psettings)
2280 EndDoc(prt_dlg.hDC);
2281 if (!*bUserAbort)
2282 SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
2286 mch_print_end_page(void)
2288 return (EndPage(prt_dlg.hDC) > 0);
2292 mch_print_begin_page(char_u *msg)
2294 if (msg != NULL)
2295 SetDlgItemText(hDlgPrint, IDC_PROGRESS, (LPSTR)msg);
2296 return (StartPage(prt_dlg.hDC) > 0);
2300 mch_print_blank_page(void)
2302 return (mch_print_begin_page(NULL) ? (mch_print_end_page()) : FALSE);
2305 static int prt_pos_x = 0;
2306 static int prt_pos_y = 0;
2308 void
2309 mch_print_start_line(margin, page_line)
2310 int margin;
2311 int page_line;
2313 if (margin)
2314 prt_pos_x = -prt_number_width;
2315 else
2316 prt_pos_x = 0;
2317 prt_pos_y = page_line * prt_line_height
2318 + prt_tm.tmAscent + prt_tm.tmExternalLeading;
2322 mch_print_text_out(char_u *p, int len)
2324 #ifdef FEAT_PROPORTIONAL_FONTS
2325 SIZE sz;
2326 #endif
2328 TextOut(prt_dlg.hDC, prt_pos_x + prt_left_margin,
2329 prt_pos_y + prt_top_margin, p, len);
2330 #ifndef FEAT_PROPORTIONAL_FONTS
2331 prt_pos_x += len * prt_tm.tmAveCharWidth;
2332 return (prt_pos_x + prt_left_margin + prt_tm.tmAveCharWidth
2333 + prt_tm.tmOverhang > prt_right_margin);
2334 #else
2335 # ifdef WIN16
2336 GetTextExtentPoint(prt_dlg.hDC, p, len, &sz);
2337 # else
2338 GetTextExtentPoint32(prt_dlg.hDC, p, len, &sz);
2339 # endif
2340 prt_pos_x += (sz.cx - prt_tm.tmOverhang);
2341 /* This is wrong when printing spaces for a TAB. */
2342 if (p[len] == NUL)
2343 return FALSE;
2344 # ifdef WIN16
2345 GetTextExtentPoint(prt_dlg.hDC, p + len, 1, &sz);
2346 # else
2347 GetTextExtentPoint32(prt_dlg.hDC, p + len, 1, &sz);
2348 # endif
2349 return (prt_pos_x + prt_left_margin + sz.cx > prt_right_margin);
2350 #endif
2353 void
2354 mch_print_set_font(int iBold, int iItalic, int iUnderline)
2356 SelectObject(prt_dlg.hDC, prt_font_handles[iBold][iItalic][iUnderline]);
2359 void
2360 mch_print_set_bg(long_u bgcol)
2362 SetBkColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
2363 swap_me((COLORREF)bgcol)));
2365 * With a white background we can draw characters transparent, which is
2366 * good for italic characters that overlap to the next char cell.
2368 if (bgcol == 0xffffffUL)
2369 SetBkMode(prt_dlg.hDC, TRANSPARENT);
2370 else
2371 SetBkMode(prt_dlg.hDC, OPAQUE);
2374 void
2375 mch_print_set_fg(long_u fgcol)
2377 SetTextColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC,
2378 swap_me((COLORREF)fgcol)));
2381 #endif /*FEAT_PRINTER && !FEAT_POSTSCRIPT*/
2385 #if defined(FEAT_SHORTCUT) || defined(PROTO)
2386 # include <shlobj.h>
2389 * When "fname" is the name of a shortcut (*.lnk) resolve the file it points
2390 * to and return that name in allocated memory.
2391 * Otherwise NULL is returned.
2393 char_u *
2394 mch_resolve_shortcut(char_u *fname)
2396 HRESULT hr;
2397 IShellLink *psl = NULL;
2398 IPersistFile *ppf = NULL;
2399 OLECHAR wsz[MAX_PATH];
2400 WIN32_FIND_DATA ffd; // we get those free of charge
2401 TCHAR buf[MAX_PATH]; // could have simply reused 'wsz'...
2402 char_u *rfname = NULL;
2403 int len;
2405 /* Check if the file name ends in ".lnk". Avoid calling
2406 * CoCreateInstance(), it's quite slow. */
2407 if (fname == NULL)
2408 return rfname;
2409 len = (int)STRLEN(fname);
2410 if (len <= 4 || STRNICMP(fname + len - 4, ".lnk", 4) != 0)
2411 return rfname;
2413 CoInitialize(NULL);
2415 // create a link manager object and request its interface
2416 hr = CoCreateInstance(
2417 &CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
2418 &IID_IShellLink, (void**)&psl);
2419 if (hr != S_OK)
2420 goto shortcut_error;
2422 // Get a pointer to the IPersistFile interface.
2423 hr = psl->lpVtbl->QueryInterface(
2424 psl, &IID_IPersistFile, (void**)&ppf);
2425 if (hr != S_OK)
2426 goto shortcut_error;
2428 // full path string must be in Unicode.
2429 MultiByteToWideChar(CP_ACP, 0, fname, -1, wsz, MAX_PATH);
2431 // "load" the name and resolve the link
2432 hr = ppf->lpVtbl->Load(ppf, wsz, STGM_READ);
2433 if (hr != S_OK)
2434 goto shortcut_error;
2435 #if 0 // This makes Vim wait a long time if the target doesn't exist.
2436 hr = psl->lpVtbl->Resolve(psl, NULL, SLR_NO_UI);
2437 if (hr != S_OK)
2438 goto shortcut_error;
2439 #endif
2441 // Get the path to the link target.
2442 ZeroMemory(buf, MAX_PATH);
2443 hr = psl->lpVtbl->GetPath(psl, buf, MAX_PATH, &ffd, 0);
2444 if (hr == S_OK && buf[0] != NUL)
2445 rfname = vim_strsave(buf);
2447 shortcut_error:
2448 // Release all interface pointers (both belong to the same object)
2449 if (ppf != NULL)
2450 ppf->lpVtbl->Release(ppf);
2451 if (psl != NULL)
2452 psl->lpVtbl->Release(psl);
2454 CoUninitialize();
2455 return rfname;
2457 #endif
2459 #if (defined(FEAT_EVAL) && !defined(FEAT_GUI)) || defined(PROTO)
2461 * Bring ourselves to the foreground. Does work if the OS doesn't allow it.
2463 void
2464 win32_set_foreground()
2466 # ifndef FEAT_GUI
2467 GetConsoleHwnd(); /* get value of s_hwnd */
2468 # endif
2469 if (s_hwnd != 0)
2470 SetForegroundWindow(s_hwnd);
2472 #endif
2474 #if defined(FEAT_CLIENTSERVER) || defined(PROTO)
2476 * Client-server code for Vim
2478 * Originally written by Paul Moore
2481 /* In order to handle inter-process messages, we need to have a window. But
2482 * the functions in this module can be called before the main GUI window is
2483 * created (and may also be called in the console version, where there is no
2484 * GUI window at all).
2486 * So we create a hidden window, and arrange to destroy it on exit.
2488 HWND message_window = 0; /* window that's handling messsages */
2490 #define VIM_CLASSNAME "VIM_MESSAGES"
2491 #define VIM_CLASSNAME_LEN (sizeof(VIM_CLASSNAME) - 1)
2493 /* Communication is via WM_COPYDATA messages. The message type is send in
2494 * the dwData parameter. Types are defined here. */
2495 #define COPYDATA_KEYS 0
2496 #define COPYDATA_REPLY 1
2497 #define COPYDATA_EXPR 10
2498 #define COPYDATA_RESULT 11
2499 #define COPYDATA_ERROR_RESULT 12
2500 #define COPYDATA_ENCODING 20
2502 /* This is a structure containing a server HWND and its name. */
2503 struct server_id
2505 HWND hwnd;
2506 char_u *name;
2509 /* Last received 'encoding' that the client uses. */
2510 static char_u *client_enc = NULL;
2513 * Tell the other side what encoding we are using.
2514 * Errors are ignored.
2516 static void
2517 serverSendEnc(HWND target)
2519 COPYDATASTRUCT data;
2521 data.dwData = COPYDATA_ENCODING;
2522 #ifdef FEAT_MBYTE
2523 data.cbData = (DWORD)STRLEN(p_enc) + 1;
2524 data.lpData = p_enc;
2525 #else
2526 data.cbData = STRLEN("latin1") + 1;
2527 data.lpData = "latin1";
2528 #endif
2529 (void)SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2530 (LPARAM)(&data));
2534 * Clean up on exit. This destroys the hidden message window.
2536 static void
2537 #ifdef __BORLANDC__
2538 _RTLENTRYF
2539 #endif
2540 CleanUpMessaging(void)
2542 if (message_window != 0)
2544 DestroyWindow(message_window);
2545 message_window = 0;
2549 static int save_reply(HWND server, char_u *reply, int expr);
2552 * The window procedure for the hidden message window.
2553 * It handles callback messages and notifications from servers.
2554 * In order to process these messages, it is necessary to run a
2555 * message loop. Code which may run before the main message loop
2556 * is started (in the GUI) is careful to pump messages when it needs
2557 * to. Features which require message delivery during normal use will
2558 * not work in the console version - this basically means those
2559 * features which allow Vim to act as a server, rather than a client.
2561 static LRESULT CALLBACK
2562 Messaging_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2564 if (msg == WM_COPYDATA)
2566 /* This is a message from another Vim. The dwData member of the
2567 * COPYDATASTRUCT determines the type of message:
2568 * COPYDATA_ENCODING:
2569 * The encoding that the client uses. Following messages will
2570 * use this encoding, convert if needed.
2571 * COPYDATA_KEYS:
2572 * A key sequence. We are a server, and a client wants these keys
2573 * adding to the input queue.
2574 * COPYDATA_REPLY:
2575 * A reply. We are a client, and a server has sent this message
2576 * in response to a request. (server2client())
2577 * COPYDATA_EXPR:
2578 * An expression. We are a server, and a client wants us to
2579 * evaluate this expression.
2580 * COPYDATA_RESULT:
2581 * A reply. We are a client, and a server has sent this message
2582 * in response to a COPYDATA_EXPR.
2583 * COPYDATA_ERROR_RESULT:
2584 * A reply. We are a client, and a server has sent this message
2585 * in response to a COPYDATA_EXPR that failed to evaluate.
2587 COPYDATASTRUCT *data = (COPYDATASTRUCT*)lParam;
2588 HWND sender = (HWND)wParam;
2589 COPYDATASTRUCT reply;
2590 char_u *res;
2591 char_u winstr[30];
2592 int retval;
2593 char_u *str;
2594 char_u *tofree;
2596 switch (data->dwData)
2598 case COPYDATA_ENCODING:
2599 # ifdef FEAT_MBYTE
2600 /* Remember the encoding that the client uses. */
2601 vim_free(client_enc);
2602 client_enc = enc_canonize((char_u *)data->lpData);
2603 # endif
2604 return 1;
2606 case COPYDATA_KEYS:
2607 /* Remember who sent this, for <client> */
2608 clientWindow = sender;
2610 /* Add the received keys to the input buffer. The loop waiting
2611 * for the user to do something should check the input buffer. */
2612 str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
2613 server_to_input_buf(str);
2614 vim_free(tofree);
2616 # ifdef FEAT_GUI
2617 /* Wake up the main GUI loop. */
2618 if (s_hwnd != 0)
2619 PostMessage(s_hwnd, WM_NULL, 0, 0);
2620 # endif
2621 return 1;
2623 case COPYDATA_EXPR:
2624 /* Remember who sent this, for <client> */
2625 clientWindow = sender;
2627 str = serverConvert(client_enc, (char_u *)data->lpData, &tofree);
2628 res = eval_client_expr_to_string(str);
2629 vim_free(tofree);
2631 if (res == NULL)
2633 res = vim_strsave(_(e_invexprmsg));
2634 reply.dwData = COPYDATA_ERROR_RESULT;
2636 else
2637 reply.dwData = COPYDATA_RESULT;
2638 reply.lpData = res;
2639 reply.cbData = (DWORD)STRLEN(res) + 1;
2641 serverSendEnc(sender);
2642 retval = (int)SendMessage(sender, WM_COPYDATA, (WPARAM)message_window,
2643 (LPARAM)(&reply));
2644 vim_free(res);
2645 return retval;
2647 case COPYDATA_REPLY:
2648 case COPYDATA_RESULT:
2649 case COPYDATA_ERROR_RESULT:
2650 if (data->lpData != NULL)
2652 str = serverConvert(client_enc, (char_u *)data->lpData,
2653 &tofree);
2654 if (tofree == NULL)
2655 str = vim_strsave(str);
2656 if (save_reply(sender, str,
2657 (data->dwData == COPYDATA_REPLY ? 0 :
2658 (data->dwData == COPYDATA_RESULT ? 1 :
2659 2))) == FAIL)
2660 vim_free(str);
2661 #ifdef FEAT_AUTOCMD
2662 else if (data->dwData == COPYDATA_REPLY)
2664 sprintf((char *)winstr, PRINTF_HEX_LONG_U, (long_u)sender);
2665 apply_autocmds(EVENT_REMOTEREPLY, winstr, str,
2666 TRUE, curbuf);
2668 #endif
2670 return 1;
2673 return 0;
2676 else if (msg == WM_ACTIVATE && wParam == WA_ACTIVE)
2678 /* When the message window is activated (brought to the foreground),
2679 * this actually applies to the text window. */
2680 #ifndef FEAT_GUI
2681 GetConsoleHwnd(); /* get value of s_hwnd */
2682 #endif
2683 if (s_hwnd != 0)
2685 SetForegroundWindow(s_hwnd);
2686 return 0;
2690 return DefWindowProc(hwnd, msg, wParam, lParam);
2694 * Initialise the message handling process. This involves creating a window
2695 * to handle messages - the window will not be visible.
2697 void
2698 serverInitMessaging(void)
2700 WNDCLASS wndclass;
2701 HINSTANCE s_hinst;
2703 /* Clean up on exit */
2704 atexit(CleanUpMessaging);
2706 /* Register a window class - we only really care
2707 * about the window procedure
2709 s_hinst = (HINSTANCE)GetModuleHandle(0);
2710 wndclass.style = 0;
2711 wndclass.lpfnWndProc = Messaging_WndProc;
2712 wndclass.cbClsExtra = 0;
2713 wndclass.cbWndExtra = 0;
2714 wndclass.hInstance = s_hinst;
2715 wndclass.hIcon = NULL;
2716 wndclass.hCursor = NULL;
2717 wndclass.hbrBackground = NULL;
2718 wndclass.lpszMenuName = NULL;
2719 wndclass.lpszClassName = VIM_CLASSNAME;
2720 RegisterClass(&wndclass);
2722 /* Create the message window. It will be hidden, so the details don't
2723 * matter. Don't use WS_OVERLAPPEDWINDOW, it will make a shortcut remove
2724 * focus from gvim. */
2725 message_window = CreateWindow(VIM_CLASSNAME, "",
2726 WS_POPUPWINDOW | WS_CAPTION,
2727 CW_USEDEFAULT, CW_USEDEFAULT,
2728 100, 100, NULL, NULL,
2729 s_hinst, NULL);
2732 /* Used by serverSendToVim() to find an alternate server name. */
2733 static char_u *altname_buf_ptr = NULL;
2736 * Get the title of the window "hwnd", which is the Vim server name, in
2737 * "name[namelen]" and return the length.
2738 * Returns zero if window "hwnd" is not a Vim server.
2740 static int
2741 getVimServerName(HWND hwnd, char *name, int namelen)
2743 int len;
2744 char buffer[VIM_CLASSNAME_LEN + 1];
2746 /* Ignore windows which aren't Vim message windows */
2747 len = GetClassName(hwnd, buffer, sizeof(buffer));
2748 if (len != VIM_CLASSNAME_LEN || STRCMP(buffer, VIM_CLASSNAME) != 0)
2749 return 0;
2751 /* Get the title of the window */
2752 return GetWindowText(hwnd, name, namelen);
2755 static BOOL CALLBACK
2756 enumWindowsGetServer(HWND hwnd, LPARAM lparam)
2758 struct server_id *id = (struct server_id *)lparam;
2759 char server[MAX_PATH];
2761 /* Get the title of the window */
2762 if (getVimServerName(hwnd, server, sizeof(server)) == 0)
2763 return TRUE;
2765 /* If this is the server we're looking for, return its HWND */
2766 if (STRICMP(server, id->name) == 0)
2768 id->hwnd = hwnd;
2769 return FALSE;
2772 /* If we are looking for an alternate server, remember this name. */
2773 if (altname_buf_ptr != NULL
2774 && STRNICMP(server, id->name, STRLEN(id->name)) == 0
2775 && vim_isdigit(server[STRLEN(id->name)]))
2777 STRCPY(altname_buf_ptr, server);
2778 altname_buf_ptr = NULL; /* don't use another name */
2781 /* Otherwise, keep looking */
2782 return TRUE;
2785 static BOOL CALLBACK
2786 enumWindowsGetNames(HWND hwnd, LPARAM lparam)
2788 garray_T *ga = (garray_T *)lparam;
2789 char server[MAX_PATH];
2791 /* Get the title of the window */
2792 if (getVimServerName(hwnd, server, sizeof(server)) == 0)
2793 return TRUE;
2795 /* Add the name to the list */
2796 ga_concat(ga, server);
2797 ga_concat(ga, "\n");
2798 return TRUE;
2801 static HWND
2802 findServer(char_u *name)
2804 struct server_id id;
2806 id.name = name;
2807 id.hwnd = 0;
2809 EnumWindows(enumWindowsGetServer, (LPARAM)(&id));
2811 return id.hwnd;
2814 void
2815 serverSetName(char_u *name)
2817 char_u *ok_name;
2818 HWND hwnd = 0;
2819 int i = 0;
2820 char_u *p;
2822 /* Leave enough space for a 9-digit suffix to ensure uniqueness! */
2823 ok_name = alloc((unsigned)STRLEN(name) + 10);
2825 STRCPY(ok_name, name);
2826 p = ok_name + STRLEN(name);
2828 for (;;)
2830 /* This is inefficient - we're doing an EnumWindows loop for each
2831 * possible name. It would be better to grab all names in one go,
2832 * and scan the list each time...
2834 hwnd = findServer(ok_name);
2835 if (hwnd == 0)
2836 break;
2838 ++i;
2839 if (i >= 1000)
2840 break;
2842 sprintf((char *)p, "%d", i);
2845 if (hwnd != 0)
2846 vim_free(ok_name);
2847 else
2849 /* Remember the name */
2850 serverName = ok_name;
2851 #ifdef FEAT_TITLE
2852 need_maketitle = TRUE; /* update Vim window title later */
2853 #endif
2855 /* Update the message window title */
2856 SetWindowText(message_window, ok_name);
2858 #ifdef FEAT_EVAL
2859 /* Set the servername variable */
2860 set_vim_var_string(VV_SEND_SERVER, serverName, -1);
2861 #endif
2865 char_u *
2866 serverGetVimNames(void)
2868 garray_T ga;
2870 ga_init2(&ga, 1, 100);
2872 EnumWindows(enumWindowsGetNames, (LPARAM)(&ga));
2873 ga_append(&ga, NUL);
2875 return ga.ga_data;
2879 serverSendReply(name, reply)
2880 char_u *name; /* Where to send. */
2881 char_u *reply; /* What to send. */
2883 HWND target;
2884 COPYDATASTRUCT data;
2885 long_u n = 0;
2887 /* The "name" argument is a magic cookie obtained from expand("<client>").
2888 * It should be of the form 0xXXXXX - i.e. a C hex literal, which is the
2889 * value of the client's message window HWND.
2891 sscanf((char *)name, SCANF_HEX_LONG_U, &n);
2892 if (n == 0)
2893 return -1;
2895 target = (HWND)n;
2896 if (!IsWindow(target))
2897 return -1;
2899 data.dwData = COPYDATA_REPLY;
2900 data.cbData = (DWORD)STRLEN(reply) + 1;
2901 data.lpData = reply;
2903 serverSendEnc(target);
2904 if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2905 (LPARAM)(&data)))
2906 return 0;
2908 return -1;
2912 serverSendToVim(name, cmd, result, ptarget, asExpr, silent)
2913 char_u *name; /* Where to send. */
2914 char_u *cmd; /* What to send. */
2915 char_u **result; /* Result of eval'ed expression */
2916 void *ptarget; /* HWND of server */
2917 int asExpr; /* Expression or keys? */
2918 int silent; /* don't complain about no server */
2920 HWND target;
2921 COPYDATASTRUCT data;
2922 char_u *retval = NULL;
2923 int retcode = 0;
2924 char_u altname_buf[MAX_PATH];
2926 /* If the server name does not end in a digit then we look for an
2927 * alternate name. e.g. when "name" is GVIM the we may find GVIM2. */
2928 if (STRLEN(name) > 1 && !vim_isdigit(name[STRLEN(name) - 1]))
2929 altname_buf_ptr = altname_buf;
2930 altname_buf[0] = NUL;
2931 target = findServer(name);
2932 altname_buf_ptr = NULL;
2933 if (target == 0 && altname_buf[0] != NUL)
2934 /* Use another server name we found. */
2935 target = findServer(altname_buf);
2937 if (target == 0)
2939 if (!silent)
2940 EMSG2(_(e_noserver), name);
2941 return -1;
2944 if (ptarget)
2945 *(HWND *)ptarget = target;
2947 data.dwData = asExpr ? COPYDATA_EXPR : COPYDATA_KEYS;
2948 data.cbData = (DWORD)STRLEN(cmd) + 1;
2949 data.lpData = cmd;
2951 serverSendEnc(target);
2952 if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2953 (LPARAM)(&data)) == 0)
2954 return -1;
2956 if (asExpr)
2957 retval = serverGetReply(target, &retcode, TRUE, TRUE);
2959 if (result == NULL)
2960 vim_free(retval);
2961 else
2962 *result = retval; /* Caller assumes responsibility for freeing */
2964 return retcode;
2968 * Bring the server to the foreground.
2970 void
2971 serverForeground(name)
2972 char_u *name;
2974 HWND target = findServer(name);
2976 if (target != 0)
2977 SetForegroundWindow(target);
2980 /* Replies from server need to be stored until the client picks them up via
2981 * remote_read(). So we maintain a list of server-id/reply pairs.
2982 * Note that there could be multiple replies from one server pending if the
2983 * client is slow picking them up.
2984 * We just store the replies in a simple list. When we remove an entry, we
2985 * move list entries down to fill the gap.
2986 * The server ID is simply the HWND.
2988 typedef struct
2990 HWND server; /* server window */
2991 char_u *reply; /* reply string */
2992 int expr_result; /* 0 for REPLY, 1 for RESULT 2 for error */
2993 } reply_T;
2995 static garray_T reply_list = {0, 0, sizeof(reply_T), 5, 0};
2997 #define REPLY_ITEM(i) ((reply_T *)(reply_list.ga_data) + (i))
2998 #define REPLY_COUNT (reply_list.ga_len)
3000 /* Flag which is used to wait for a reply */
3001 static int reply_received = 0;
3004 * Store a reply. "reply" must be allocated memory (or NULL).
3006 static int
3007 save_reply(HWND server, char_u *reply, int expr)
3009 reply_T *rep;
3011 if (ga_grow(&reply_list, 1) == FAIL)
3012 return FAIL;
3014 rep = REPLY_ITEM(REPLY_COUNT);
3015 rep->server = server;
3016 rep->reply = reply;
3017 rep->expr_result = expr;
3018 if (rep->reply == NULL)
3019 return FAIL;
3021 ++REPLY_COUNT;
3022 reply_received = 1;
3023 return OK;
3027 * Get a reply from server "server".
3028 * When "expr_res" is non NULL, get the result of an expression, otherwise a
3029 * server2client() message.
3030 * When non NULL, point to return code. 0 => OK, -1 => ERROR
3031 * If "remove" is TRUE, consume the message, the caller must free it then.
3032 * if "wait" is TRUE block until a message arrives (or the server exits).
3034 char_u *
3035 serverGetReply(HWND server, int *expr_res, int remove, int wait)
3037 int i;
3038 char_u *reply;
3039 reply_T *rep;
3041 /* When waiting, loop until the message waiting for is received. */
3042 for (;;)
3044 /* Reset this here, in case a message arrives while we are going
3045 * through the already received messages. */
3046 reply_received = 0;
3048 for (i = 0; i < REPLY_COUNT; ++i)
3050 rep = REPLY_ITEM(i);
3051 if (rep->server == server
3052 && ((rep->expr_result != 0) == (expr_res != NULL)))
3054 /* Save the values we've found for later */
3055 reply = rep->reply;
3056 if (expr_res != NULL)
3057 *expr_res = rep->expr_result == 1 ? 0 : -1;
3059 if (remove)
3061 /* Move the rest of the list down to fill the gap */
3062 mch_memmove(rep, rep + 1,
3063 (REPLY_COUNT - i - 1) * sizeof(reply_T));
3064 --REPLY_COUNT;
3067 /* Return the reply to the caller, who takes on responsibility
3068 * for freeing it if "remove" is TRUE. */
3069 return reply;
3073 /* If we got here, we didn't find a reply. Return immediately if the
3074 * "wait" parameter isn't set. */
3075 if (!wait)
3076 break;
3078 /* We need to wait for a reply. Enter a message loop until the
3079 * "reply_received" flag gets set. */
3081 /* Loop until we receive a reply */
3082 while (reply_received == 0)
3084 /* Wait for a SendMessage() call to us. This could be the reply
3085 * we are waiting for. Use a timeout of a second, to catch the
3086 * situation that the server died unexpectedly. */
3087 MsgWaitForMultipleObjects(0, NULL, TRUE, 1000, QS_ALLINPUT);
3089 /* If the server has died, give up */
3090 if (!IsWindow(server))
3091 return NULL;
3093 serverProcessPendingMessages();
3097 return NULL;
3101 * Process any messages in the Windows message queue.
3103 void
3104 serverProcessPendingMessages(void)
3106 MSG msg;
3108 while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
3110 TranslateMessage(&msg);
3111 DispatchMessage(&msg);
3115 #endif /* FEAT_CLIENTSERVER */
3117 #if defined(FEAT_GUI) || (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) \
3118 || defined(PROTO)
3120 struct charset_pair
3122 char *name;
3123 BYTE charset;
3126 static struct charset_pair
3127 charset_pairs[] =
3129 {"ANSI", ANSI_CHARSET},
3130 {"CHINESEBIG5", CHINESEBIG5_CHARSET},
3131 {"DEFAULT", DEFAULT_CHARSET},
3132 {"HANGEUL", HANGEUL_CHARSET},
3133 {"OEM", OEM_CHARSET},
3134 {"SHIFTJIS", SHIFTJIS_CHARSET},
3135 {"SYMBOL", SYMBOL_CHARSET},
3136 #ifdef WIN3264
3137 {"ARABIC", ARABIC_CHARSET},
3138 {"BALTIC", BALTIC_CHARSET},
3139 {"EASTEUROPE", EASTEUROPE_CHARSET},
3140 {"GB2312", GB2312_CHARSET},
3141 {"GREEK", GREEK_CHARSET},
3142 {"HEBREW", HEBREW_CHARSET},
3143 {"JOHAB", JOHAB_CHARSET},
3144 {"MAC", MAC_CHARSET},
3145 {"RUSSIAN", RUSSIAN_CHARSET},
3146 {"THAI", THAI_CHARSET},
3147 {"TURKISH", TURKISH_CHARSET},
3148 # if (!defined(_MSC_VER) || (_MSC_VER > 1010)) \
3149 && (!defined(__BORLANDC__) || (__BORLANDC__ > 0x0500))
3150 {"VIETNAMESE", VIETNAMESE_CHARSET},
3151 # endif
3152 #endif
3153 {NULL, 0}
3157 * Convert a charset ID to a name.
3158 * Return NULL when not recognized.
3160 char *
3161 charset_id2name(int id)
3163 struct charset_pair *cp;
3165 for (cp = charset_pairs; cp->name != NULL; ++cp)
3166 if ((BYTE)id == cp->charset)
3167 break;
3168 return cp->name;
3171 static const LOGFONT s_lfDefault =
3173 -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
3174 OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
3175 PROOF_QUALITY, FIXED_PITCH | FF_DONTCARE,
3176 "Fixedsys" /* see _ReadVimIni */
3179 /* Initialise the "current height" to -12 (same as s_lfDefault) just
3180 * in case the user specifies a font in "guifont" with no size before a font
3181 * with an explicit size has been set. This defaults the size to this value
3182 * (-12 equates to roughly 9pt).
3184 int current_font_height = -12; /* also used in gui_w48.c */
3186 /* Convert a string representing a point size into pixels. The string should
3187 * be a positive decimal number, with an optional decimal point (eg, "12", or
3188 * "10.5"). The pixel value is returned, and a pointer to the next unconverted
3189 * character is stored in *end. The flag "vertical" says whether this
3190 * calculation is for a vertical (height) size or a horizontal (width) one.
3192 static int
3193 points_to_pixels(char_u *str, char_u **end, int vertical, long_i pprinter_dc)
3195 int pixels;
3196 int points = 0;
3197 int divisor = 0;
3198 HWND hwnd = (HWND)0;
3199 HDC hdc;
3200 HDC printer_dc = (HDC)pprinter_dc;
3202 while (*str != NUL)
3204 if (*str == '.' && divisor == 0)
3206 /* Start keeping a divisor, for later */
3207 divisor = 1;
3209 else
3211 if (!VIM_ISDIGIT(*str))
3212 break;
3214 points *= 10;
3215 points += *str - '0';
3216 divisor *= 10;
3218 ++str;
3221 if (divisor == 0)
3222 divisor = 1;
3224 if (printer_dc == NULL)
3226 hwnd = GetDesktopWindow();
3227 hdc = GetWindowDC(hwnd);
3229 else
3230 hdc = printer_dc;
3232 pixels = MulDiv(points,
3233 GetDeviceCaps(hdc, vertical ? LOGPIXELSY : LOGPIXELSX),
3234 72 * divisor);
3236 if (printer_dc == NULL)
3237 ReleaseDC(hwnd, hdc);
3239 *end = str;
3240 return pixels;
3243 /*ARGSUSED*/
3244 static int CALLBACK
3245 font_enumproc(
3246 ENUMLOGFONT *elf,
3247 NEWTEXTMETRIC *ntm,
3248 int type,
3249 LPARAM lparam)
3251 /* Return value:
3252 * 0 = terminate now (monospace & ANSI)
3253 * 1 = continue, still no luck...
3254 * 2 = continue, but we have an acceptable LOGFONT
3255 * (monospace, not ANSI)
3256 * We use these values, as EnumFontFamilies returns 1 if the
3257 * callback function is never called. So, we check the return as
3258 * 0 = perfect, 2 = OK, 1 = no good...
3259 * It's not pretty, but it works!
3262 LOGFONT *lf = (LOGFONT *)(lparam);
3264 #ifndef FEAT_PROPORTIONAL_FONTS
3265 /* Ignore non-monospace fonts without further ado */
3266 if ((ntm->tmPitchAndFamily & 1) != 0)
3267 return 1;
3268 #endif
3270 /* Remember this LOGFONT as a "possible" */
3271 *lf = elf->elfLogFont;
3273 /* Terminate the scan as soon as we find an ANSI font */
3274 if (lf->lfCharSet == ANSI_CHARSET
3275 || lf->lfCharSet == OEM_CHARSET
3276 || lf->lfCharSet == DEFAULT_CHARSET)
3277 return 0;
3279 /* Continue the scan - we have a non-ANSI font */
3280 return 2;
3283 static int
3284 init_logfont(LOGFONT *lf)
3286 int n;
3287 HWND hwnd = GetDesktopWindow();
3288 HDC hdc = GetWindowDC(hwnd);
3290 n = EnumFontFamilies(hdc,
3291 (LPCSTR)lf->lfFaceName,
3292 (FONTENUMPROC)font_enumproc,
3293 (LPARAM)lf);
3295 ReleaseDC(hwnd, hdc);
3297 /* If we couldn't find a useable font, return failure */
3298 if (n == 1)
3299 return FAIL;
3301 /* Tidy up the rest of the LOGFONT structure. We set to a basic
3302 * font - get_logfont() sets bold, italic, etc based on the user's
3303 * input.
3305 lf->lfHeight = current_font_height;
3306 lf->lfWidth = 0;
3307 lf->lfItalic = FALSE;
3308 lf->lfUnderline = FALSE;
3309 lf->lfStrikeOut = FALSE;
3310 lf->lfWeight = FW_NORMAL;
3312 /* Return success */
3313 return OK;
3317 * Get font info from "name" into logfont "lf".
3318 * Return OK for a valid name, FAIL otherwise.
3321 get_logfont(
3322 LOGFONT *lf,
3323 char_u *name,
3324 HDC printer_dc,
3325 int verbose)
3327 char_u *p;
3328 int i;
3329 static LOGFONT *lastlf = NULL;
3331 *lf = s_lfDefault;
3332 if (name == NULL)
3333 return OK;
3335 if (STRCMP(name, "*") == 0)
3337 #if defined(FEAT_GUI_W32)
3338 CHOOSEFONT cf;
3339 /* if name is "*", bring up std font dialog: */
3340 memset(&cf, 0, sizeof(cf));
3341 cf.lStructSize = sizeof(cf);
3342 cf.hwndOwner = s_hwnd;
3343 cf.Flags = CF_SCREENFONTS | CF_FIXEDPITCHONLY | CF_INITTOLOGFONTSTRUCT;
3344 if (lastlf != NULL)
3345 *lf = *lastlf;
3346 cf.lpLogFont = lf;
3347 cf.nFontType = 0 ; //REGULAR_FONTTYPE;
3348 if (ChooseFont(&cf))
3349 goto theend;
3350 #else
3351 return FAIL;
3352 #endif
3356 * Split name up, it could be <name>:h<height>:w<width> etc.
3358 for (p = name; *p && *p != ':'; p++)
3360 if (p - name + 1 > LF_FACESIZE)
3361 return FAIL; /* Name too long */
3362 lf->lfFaceName[p - name] = *p;
3364 if (p != name)
3365 lf->lfFaceName[p - name] = NUL;
3367 /* First set defaults */
3368 lf->lfHeight = -12;
3369 lf->lfWidth = 0;
3370 lf->lfWeight = FW_NORMAL;
3371 lf->lfItalic = FALSE;
3372 lf->lfUnderline = FALSE;
3373 lf->lfStrikeOut = FALSE;
3376 * If the font can't be found, try replacing '_' by ' '.
3378 if (init_logfont(lf) == FAIL)
3380 int did_replace = FALSE;
3382 for (i = 0; lf->lfFaceName[i]; ++i)
3383 if (lf->lfFaceName[i] == '_')
3385 lf->lfFaceName[i] = ' ';
3386 did_replace = TRUE;
3388 if (!did_replace || init_logfont(lf) == FAIL)
3389 return FAIL;
3392 while (*p == ':')
3393 p++;
3395 /* Set the values found after ':' */
3396 while (*p)
3398 switch (*p++)
3400 case 'h':
3401 lf->lfHeight = - points_to_pixels(p, &p, TRUE, (long_i)printer_dc);
3402 break;
3403 case 'w':
3404 lf->lfWidth = points_to_pixels(p, &p, FALSE, (long_i)printer_dc);
3405 break;
3406 case 'b':
3407 #ifndef MSWIN16_FASTTEXT
3408 lf->lfWeight = FW_BOLD;
3409 #endif
3410 break;
3411 case 'i':
3412 #ifndef MSWIN16_FASTTEXT
3413 lf->lfItalic = TRUE;
3414 #endif
3415 break;
3416 case 'u':
3417 lf->lfUnderline = TRUE;
3418 break;
3419 case 's':
3420 lf->lfStrikeOut = TRUE;
3421 break;
3422 case 'c':
3424 struct charset_pair *cp;
3426 for (cp = charset_pairs; cp->name != NULL; ++cp)
3427 if (STRNCMP(p, cp->name, strlen(cp->name)) == 0)
3429 lf->lfCharSet = cp->charset;
3430 p += strlen(cp->name);
3431 break;
3433 if (cp->name == NULL && verbose)
3435 vim_snprintf((char *)IObuff, IOSIZE,
3436 _("E244: Illegal charset name \"%s\" in font name \"%s\""), p, name);
3437 EMSG(IObuff);
3438 break;
3440 break;
3442 default:
3443 if (verbose)
3445 vim_snprintf((char *)IObuff, IOSIZE,
3446 _("E245: Illegal char '%c' in font name \"%s\""),
3447 p[-1], name);
3448 EMSG(IObuff);
3450 return FAIL;
3452 while (*p == ':')
3453 p++;
3456 #if defined(FEAT_GUI_W32)
3457 theend:
3458 #endif
3459 /* ron: init lastlf */
3460 if (printer_dc == NULL)
3462 vim_free(lastlf);
3463 lastlf = (LOGFONT *)alloc(sizeof(LOGFONT));
3464 if (lastlf != NULL)
3465 mch_memmove(lastlf, lf, sizeof(LOGFONT));
3468 return OK;
3471 #endif /* defined(FEAT_GUI) || defined(FEAT_PRINTER) */