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Bram Moolenaar071d4272004-06-13 20:20:40 +00001/* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10/*
11 * os_mswin.c
12 *
13 * Routines common to both Win16 and Win32.
14 */
15
16#ifdef WIN16
17# ifdef __BORLANDC__
18# pragma warn -par
19# pragma warn -ucp
20# pragma warn -use
21# pragma warn -aus
22# endif
23#endif
24
25#include <io.h>
26#include "vim.h"
27
28#ifdef HAVE_FCNTL_H
29# include <fcntl.h>
30#endif
31#ifdef WIN16
32# define SHORT_FNAME /* always 8.3 file name */
33# include <dos.h>
34# include <string.h>
35#endif
36#include <sys/types.h>
37#include <errno.h>
38#include <signal.h>
39#include <limits.h>
40#include <process.h>
41
42#undef chdir
43#ifdef __GNUC__
44# ifndef __MINGW32__
45# include <dirent.h>
46# endif
47#else
48# include <direct.h>
49#endif
50
51#if defined(FEAT_TITLE) && !defined(FEAT_GUI_W32)
52# include <shellapi.h>
53#endif
54
55#if defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)
56# include <dlgs.h>
57# ifdef WIN3264
58# include <winspool.h>
59# else
60# include <print.h>
61# endif
62# include <commdlg.h>
63#endif
64
65#ifdef __MINGW32__
66# ifndef FROM_LEFT_1ST_BUTTON_PRESSED
67# define FROM_LEFT_1ST_BUTTON_PRESSED 0x0001
68# endif
69# ifndef RIGHTMOST_BUTTON_PRESSED
70# define RIGHTMOST_BUTTON_PRESSED 0x0002
71# endif
72# ifndef FROM_LEFT_2ND_BUTTON_PRESSED
73# define FROM_LEFT_2ND_BUTTON_PRESSED 0x0004
74# endif
75# ifndef FROM_LEFT_3RD_BUTTON_PRESSED
76# define FROM_LEFT_3RD_BUTTON_PRESSED 0x0008
77# endif
78# ifndef FROM_LEFT_4TH_BUTTON_PRESSED
79# define FROM_LEFT_4TH_BUTTON_PRESSED 0x0010
80# endif
81
82/*
83 * EventFlags
84 */
85# ifndef MOUSE_MOVED
86# define MOUSE_MOVED 0x0001
87# endif
88# ifndef DOUBLE_CLICK
89# define DOUBLE_CLICK 0x0002
90# endif
91#endif
92
93/*
94 * When generating prototypes for Win32 on Unix, these lines make the syntax
95 * errors disappear. They do not need to be correct.
96 */
97#ifdef PROTO
98#define WINAPI
99#define WINBASEAPI
100typedef int BOOL;
101typedef int CALLBACK;
102typedef int COLORREF;
103typedef int CONSOLE_CURSOR_INFO;
104typedef int COORD;
105typedef int DWORD;
106typedef int ENUMLOGFONT;
107typedef int HANDLE;
108typedef int HDC;
109typedef int HFONT;
110typedef int HICON;
111typedef int HWND;
112typedef int INPUT_RECORD;
113typedef int KEY_EVENT_RECORD;
114typedef int LOGFONT;
115typedef int LPARAM;
116typedef int LPBOOL;
117typedef int LPCSTR;
118typedef int LPCWSTR;
119typedef int LPSTR;
120typedef int LPTSTR;
121typedef int LPWSTR;
122typedef int LRESULT;
123typedef int MOUSE_EVENT_RECORD;
124typedef int NEWTEXTMETRIC;
125typedef int PACL;
126typedef int PRINTDLG;
127typedef int PSECURITY_DESCRIPTOR;
128typedef int PSID;
129typedef int SECURITY_INFORMATION;
130typedef int SHORT;
131typedef int SMALL_RECT;
132typedef int TEXTMETRIC;
133typedef int UINT;
134typedef int WCHAR;
135typedef int WORD;
136typedef int WPARAM;
137typedef void VOID;
138#endif
139
140/* Record all output and all keyboard & mouse input */
141/* #define MCH_WRITE_DUMP */
142
143#ifdef MCH_WRITE_DUMP
144FILE* fdDump = NULL;
145#endif
146
147#ifdef WIN3264
148extern DWORD g_PlatformId;
149#endif
150
151#ifndef FEAT_GUI_MSWIN
152extern char g_szOrigTitle[];
153#endif
154
155#ifdef FEAT_GUI
156extern HWND s_hwnd;
157#else
Bram Moolenaar071d4272004-06-13 20:20:40 +0000158static HWND s_hwnd = 0; /* console window handle, set by GetConsoleHwnd() */
Bram Moolenaar071d4272004-06-13 20:20:40 +0000159#endif
160
161extern int WSInitialized;
162
163/* Don't generate prototypes here, because some systems do have these
164 * functions. */
165#if defined(__GNUC__) && !defined(PROTO)
166# ifndef __MINGW32__
167int _stricoll(char *a, char *b)
168{
169 // the ANSI-ish correct way is to use strxfrm():
170 char a_buff[512], b_buff[512]; // file names, so this is enough on Win32
171 strxfrm(a_buff, a, 512);
172 strxfrm(b_buff, b, 512);
173 return strcoll(a_buff, b_buff);
174}
175
176char * _fullpath(char *buf, char *fname, int len)
177{
178 LPTSTR toss;
179
180 return (char *)GetFullPathName(fname, len, buf, &toss);
181}
182# endif
183
184int _chdrive(int drive)
185{
186 char temp [3] = "-:";
187 temp[0] = drive + 'A' - 1;
188 return !SetCurrentDirectory(temp);
189}
190#else
191# ifdef __BORLANDC__
192/* being a more ANSI compliant compiler, BorlandC doesn't define _stricoll:
193 * but it does in BC 5.02! */
194# if __BORLANDC__ < 0x502
195int _stricoll(char *a, char *b)
196{
197# if 1
198 // this is fast but not correct:
199 return stricmp(a, b);
200# else
201 // the ANSI-ish correct way is to use strxfrm():
202 char a_buff[512], b_buff[512]; // file names, so this is enough on Win32
203 strxfrm(a_buff, a, 512);
204 strxfrm(b_buff, b, 512);
205 return strcoll(a_buff, b_buff);
206# endif
207}
208# endif
209# endif
210#endif
211
212
213#if defined(FEAT_GUI_MSWIN) || defined(PROTO)
214/*
215 * GUI version of mch_exit().
216 * Shut down and exit with status `r'
217 * Careful: mch_exit() may be called before mch_init()!
218 */
219 void
220mch_exit(int r)
221{
222 display_errors();
223
224 ml_close_all(TRUE); /* remove all memfiles */
225
226# ifdef FEAT_OLE
227 UninitOLE();
228# endif
229# ifdef FEAT_NETBEANS_INTG
230 if (WSInitialized)
231 {
232 WSInitialized = FALSE;
233 WSACleanup();
234 }
235# endif
236#ifdef DYNAMIC_GETTEXT
237 dyn_libintl_end();
238#endif
239
240 if (gui.in_use)
241 gui_exit(r);
242 exit(r);
243}
244
245#endif /* FEAT_GUI_MSWIN */
246
247
248/*
249 * Init the tables for toupper() and tolower().
250 */
251 void
252mch_early_init(void)
253{
254 int i;
255
256#ifdef WIN3264
257 PlatformId();
258#endif
259
260 /* Init the tables for toupper() and tolower() */
261 for (i = 0; i < 256; ++i)
262 toupper_tab[i] = tolower_tab[i] = i;
263#ifdef WIN3264
264 CharUpperBuff(toupper_tab, 256);
265 CharLowerBuff(tolower_tab, 256);
266#else
267 AnsiUpperBuff(toupper_tab, 256);
268 AnsiLowerBuff(tolower_tab, 256);
269#endif
270}
271
272
273/*
274 * Return TRUE if the input comes from a terminal, FALSE otherwise.
275 */
276 int
277mch_input_isatty()
278{
279#ifdef FEAT_GUI_MSWIN
280 return OK; /* GUI always has a tty */
281#else
282 if (isatty(read_cmd_fd))
283 return TRUE;
284 return FALSE;
285#endif
286}
287
288#ifdef FEAT_TITLE
289/*
290 * mch_settitle(): set titlebar of our window
291 */
292 void
293mch_settitle(
294 char_u *title,
295 char_u *icon)
296{
297# ifdef FEAT_GUI_MSWIN
298 gui_mch_settitle(title, icon);
299# else
300 if (title != NULL)
301 SetConsoleTitle(title);
302# endif
303}
304
305
306/*
307 * Restore the window/icon title.
308 * which is one of:
309 * 1: Just restore title
310 * 2: Just restore icon (which we don't have)
311 * 3: Restore title and icon (which we don't have)
312 */
313 void
314mch_restore_title(
315 int which)
316{
317#ifndef FEAT_GUI_MSWIN
318 mch_settitle((which & 1) ? g_szOrigTitle : NULL, NULL);
319#endif
320}
321
322
323/*
324 * Return TRUE if we can restore the title (we can)
325 */
326 int
327mch_can_restore_title()
328{
329 return TRUE;
330}
331
332
333/*
334 * Return TRUE if we can restore the icon title (we can't)
335 */
336 int
337mch_can_restore_icon()
338{
339 return FALSE;
340}
341#endif /* FEAT_TITLE */
342
343
344/*
345 * Get absolute file name into buffer 'buf' of length 'len' bytes,
346 * turning all '/'s into '\\'s and getting the correct case of each
347 * component of the file name. Append a backslash to a directory name.
348 * When 'shellslash' set do it the other way around.
349 * Return OK or FAIL.
350 */
351 int
352mch_FullName(
353 char_u *fname,
354 char_u *buf,
355 int len,
356 int force)
357{
358 int nResult = FAIL;
359
360#ifdef __BORLANDC__
361 if (*fname == NUL) /* Borland behaves badly here - make it consistent */
362 nResult = mch_dirname(buf, len);
363 else
364#endif
365 if (_fullpath(buf, fname, len - 1) == NULL)
366 {
367 STRNCPY(buf, fname, len); /* failed, use the relative path name */
368 buf[len - 1] = NUL;
369#ifndef USE_FNAME_CASE
370 slash_adjust(buf);
371#endif
372 }
373 else
374 nResult = OK;
375
376#ifdef USE_FNAME_CASE
377 fname_case(buf, len);
378#endif
379
380 return nResult;
381}
382
383
384/*
385 * Return TRUE if "fname" does not depend on the current directory.
386 */
387 int
388mch_isFullName(char_u *fname)
389{
390 char szName[_MAX_PATH + 1];
391
392 /* A name like "d:/foo" and "//server/share" is absolute */
393 if ((fname[0] && fname[1] == ':' && (fname[2] == '/' || fname[2] == '\\'))
394 || (fname[0] == fname[1] && (fname[0] == '/' || fname[0] == '\\')))
395 return TRUE;
396
397 /* A name that can't be made absolute probably isn't absolute. */
398 if (mch_FullName(fname, szName, _MAX_PATH, FALSE) == FAIL)
399 return FALSE;
400
401 return pathcmp(fname, szName) == 0;
402}
403
404/*
405 * Replace all slashes by backslashes.
406 * This used to be the other way around, but MS-DOS sometimes has problems
407 * with slashes (e.g. in a command name). We can't have mixed slashes and
408 * backslashes, because comparing file names will not work correctly. The
409 * commands that use a file name should try to avoid the need to type a
410 * backslash twice.
411 * When 'shellslash' set do it the other way around.
412 */
413 void
414slash_adjust(p)
415 char_u *p;
416{
417 if (p != NULL)
418 while (*p)
419 {
420 if (*p == psepcN)
421 *p = psepc;
422#ifdef FEAT_MBYTE
423 if (has_mbyte)
424 p += (*mb_ptr2len_check)(p);
425 else
426#endif
427 ++p;
428 }
429}
430
431
432/*
433 * stat() can't handle a trailing '/' or '\', remove it first.
434 */
435 int
436vim_stat(const char *name, struct stat *stp)
437{
438 char buf[_MAX_PATH + 1];
439 char *p;
440
441 STRNCPY(buf, name, _MAX_PATH);
442 buf[_MAX_PATH] = NUL;
443 p = buf + strlen(buf);
444 if (p > buf)
445 --p;
Bram Moolenaar15d0a8c2004-09-06 17:44:46 +0000446#ifdef FEAT_MBYTE
447 if (p > buf && has_mbyte)
448 p -= (*mb_head_off)(buf, p);
449#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +0000450 if (p > buf && (*p == '\\' || *p == '/') && p[-1] != ':')
451 *p = NUL;
452#ifdef FEAT_MBYTE
453 if (enc_codepage >= 0 && (int)GetACP() != enc_codepage
454# ifdef __BORLANDC__
455 /* Wide functions of Borland C 5.5 do not work on Windows 98. */
456 && g_PlatformId == VER_PLATFORM_WIN32_NT
457# endif
458 )
459 {
460 WCHAR *wp = enc_to_ucs2(buf, NULL);
461 int n;
462
463 if (wp != NULL)
464 {
465 n = _wstat(wp, (struct _stat *)stp);
466 vim_free(wp);
467 if (n >= 0)
468 return n;
469 /* Retry with non-wide function (for Windows 98). Can't use
470 * GetLastError() here and it's unclear what errno gets set to if
471 * the _wstat() fails for missing wide functions. */
472 }
473 }
474#endif
475 return stat(buf, stp);
476}
477
478#if defined(FEAT_GUI_MSWIN) || defined(PROTO)
479 void
480mch_settmode(int tmode)
481{
482 /* nothing to do */
483}
484
485 int
486mch_get_shellsize(void)
487{
488 /* never used */
489 return OK;
490}
491
492 void
493mch_set_shellsize(void)
494{
495 /* never used */
496}
497
498/*
499 * Rows and/or Columns has changed.
500 */
501 void
502mch_new_shellsize(void)
503{
504 /* never used */
505}
506
507#endif
508
509/*
510 * We have no job control, so fake it by starting a new shell.
511 */
512 void
513mch_suspend()
514{
515 suspend_shell();
516}
517
518#if defined(USE_MCH_ERRMSG) || defined(PROTO)
519
520#ifdef display_errors
521# undef display_errors
522#endif
523
524/*
525 * Display the saved error message(s).
526 */
527 void
528display_errors()
529{
530 char *p;
531
532 if (error_ga.ga_data != NULL)
533 {
534 /* avoid putting up a message box with blanks only */
535 for (p = (char *)error_ga.ga_data; *p; ++p)
536 if (!isspace(*p))
537 {
538 /* Truncate a very long message, it will go off-screen. */
539 if (STRLEN(p) > 2000)
540 {
541 char_u *s = p + 2000 - 14;
542
543#ifdef FEAT_MBYTE
544 if (has_mbyte)
545 s -= (*mb_head_off)(p, s);
546#endif
547 STRCPY(s, _("...(truncated)"));
548 }
549#ifdef WIN3264
550 MessageBox(NULL, p, "Vim", MB_TASKMODAL|MB_SETFOREGROUND);
551#else
552 MessageBox(NULL, p, "Vim", MB_TASKMODAL);
553#endif
554 break;
555 }
556 ga_clear(&error_ga);
557 }
558}
559#endif
560
561
562/*
563 * Return TRUE if "p" contain a wildcard that can be expanded by
564 * dos_expandpath().
565 */
566 int
567mch_has_exp_wildcard(char_u *p)
568{
569 for ( ; *p; ++p)
570 {
571 if (vim_strchr((char_u *)"?*[", *p) != NULL
572 || (*p == '~' && p[1] != NUL))
573 return TRUE;
574#ifdef FEAT_MBYTE
575 if (has_mbyte)
576 p += (*mb_ptr2len_check)(p) - 1;
577#endif
578 }
579 return FALSE;
580}
581
582/*
583 * Return TRUE if "p" contain a wildcard or a "~1" kind of thing (could be a
584 * shortened file name).
585 */
586 int
587mch_has_wildcard(char_u *p)
588{
589 for ( ; *p; ++p)
590 {
591 if (vim_strchr((char_u *)
592# ifdef VIM_BACKTICK
593 "?*$[`"
594# else
595 "?*$["
596# endif
597 , *p) != NULL
598 || (*p == '~' && p[1] != NUL))
599 return TRUE;
600#ifdef FEAT_MBYTE
601 if (has_mbyte)
602 p += (*mb_ptr2len_check)(p) - 1;
603#endif
604 }
605 return FALSE;
606}
607
608
609/*
610 * The normal _chdir() does not change the default drive. This one does.
611 * Returning 0 implies success; -1 implies failure.
612 */
613 int
614mch_chdir(char *path)
615{
616 if (path[0] == NUL) /* just checking... */
617 return -1;
618
619 if (isalpha(path[0]) && path[1] == ':') /* has a drive name */
620 {
621 /* If we can change to the drive, skip that part of the path. If we
622 * can't then the current directory may be invalid, try using chdir()
623 * with the whole path. */
624 if (_chdrive(TOLOWER_ASC(path[0]) - 'a' + 1) == 0)
625 path += 2;
626 }
627
628 if (*path == NUL) /* drive name only */
629 return 0;
630
Bram Moolenaar15d0a8c2004-09-06 17:44:46 +0000631#ifdef FEAT_MBYTE
632 if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
633 {
634 WCHAR *p = enc_to_ucs2(path, NULL);
635 int n;
636
637 if (p != NULL)
638 {
639 n = _wchdir(p);
640 vim_free(p);
641 if (n == 0)
642 return 0;
643 /* Retry with non-wide function (for Windows 98). */
644 }
645 }
646#endif
647
Bram Moolenaar071d4272004-06-13 20:20:40 +0000648 return chdir(path); /* let the normal chdir() do the rest */
649}
650
651
652/*
653 * Switching off termcap mode is only allowed when Columns is 80, otherwise a
654 * crash may result. It's always allowed on NT or when running the GUI.
655 */
656 int
657can_end_termcap_mode(
658 int give_msg)
659{
660#ifdef FEAT_GUI_MSWIN
661 return TRUE; /* GUI starts a new console anyway */
662#else
663 if (g_PlatformId == VER_PLATFORM_WIN32_NT || Columns == 80)
664 return TRUE;
665 if (give_msg)
666 msg(_("'columns' is not 80, cannot execute external commands"));
667 return FALSE;
668#endif
669}
670
671#ifdef FEAT_GUI_MSWIN
672/*
673 * return non-zero if a character is available
674 */
675 int
676mch_char_avail()
677{
678 /* never used */
679 return TRUE;
680}
681#endif
682
683
684/*
685 * set screen mode, always fails.
686 */
687 int
688mch_screenmode(
689 char_u *arg)
690{
691 EMSG(_(e_screenmode));
692 return FAIL;
693}
694
695
696#if defined(FEAT_LIBCALL) || defined(PROTO)
697/*
698 * Call a DLL routine which takes either a string or int param
699 * and returns an allocated string.
700 * Return OK if it worked, FAIL if not.
701 */
702# ifdef WIN3264
703typedef LPTSTR (*MYSTRPROCSTR)(LPTSTR);
704typedef LPTSTR (*MYINTPROCSTR)(int);
705typedef int (*MYSTRPROCINT)(LPTSTR);
706typedef int (*MYINTPROCINT)(int);
707# else
708typedef LPSTR (*MYSTRPROCSTR)(LPSTR);
709typedef LPSTR (*MYINTPROCSTR)(int);
710typedef int (*MYSTRPROCINT)(LPSTR);
711typedef int (*MYINTPROCINT)(int);
712# endif
713
714# ifndef WIN16
715/*
716 * Check if a pointer points to a valid NUL terminated string.
717 * Return the length of the string, including terminating NUL.
718 * Returns 0 for an invalid pointer, 1 for an empty string.
719 */
720 static size_t
721check_str_len(char_u *str)
722{
723 SYSTEM_INFO si;
724 MEMORY_BASIC_INFORMATION mbi;
725 size_t length = 0;
726 size_t i;
727 const char *p;
728
729 /* get page size */
730 GetSystemInfo(&si);
731
732 /* get memory information */
733 if (VirtualQuery(str, &mbi, sizeof(mbi)))
734 {
735 /* pre cast these (typing savers) */
736 DWORD dwStr = (DWORD)str;
737 DWORD dwBaseAddress = (DWORD)mbi.BaseAddress;
738
739 /* get start address of page that str is on */
740 DWORD strPage = dwStr - (dwStr - dwBaseAddress) % si.dwPageSize;
741
742 /* get length from str to end of page */
743 DWORD pageLength = si.dwPageSize - (dwStr - strPage);
744
745 for (p = str; !IsBadReadPtr(p, pageLength);
746 p += pageLength, pageLength = si.dwPageSize)
747 for (i = 0; i < pageLength; ++i, ++length)
748 if (p[i] == NUL)
749 return length + 1;
750 }
751
752 return 0;
753}
754# endif
755
756 int
757mch_libcall(
758 char_u *libname,
759 char_u *funcname,
760 char_u *argstring, /* NULL when using a argint */
761 int argint,
762 char_u **string_result,/* NULL when using number_result */
763 int *number_result)
764{
765 HINSTANCE hinstLib;
766 MYSTRPROCSTR ProcAdd;
767 MYINTPROCSTR ProcAddI;
768 char_u *retval_str = NULL;
769 int retval_int = 0;
770 size_t len;
771
772 BOOL fRunTimeLinkSuccess = FALSE;
773
774 // Get a handle to the DLL module.
775 hinstLib = LoadLibrary(libname);
776
777 // If the handle is valid, try to get the function address.
778 if (hinstLib != NULL)
779 {
780#ifdef HAVE_TRY_EXCEPT
781 __try
782 {
783#endif
784 if (argstring != NULL)
785 {
786 /* Call with string argument */
787 ProcAdd = (MYSTRPROCSTR) GetProcAddress(hinstLib, funcname);
788 if ((fRunTimeLinkSuccess = (ProcAdd != NULL)) != 0)
789 {
790 if (string_result == NULL)
791 retval_int = ((MYSTRPROCINT)ProcAdd)(argstring);
792 else
793 retval_str = (ProcAdd)(argstring);
794 }
795 }
796 else
797 {
798 /* Call with number argument */
799 ProcAddI = (MYINTPROCSTR) GetProcAddress(hinstLib, funcname);
800 if ((fRunTimeLinkSuccess = (ProcAddI != NULL)) != 0)
801 {
802 if (string_result == NULL)
803 retval_int = ((MYINTPROCINT)ProcAddI)(argint);
804 else
805 retval_str = (ProcAddI)(argint);
806 }
807 }
808
809 // Save the string before we free the library.
810 // Assume that a "1" result is an illegal pointer.
811 if (string_result == NULL)
812 *number_result = retval_int;
813 else if (retval_str != NULL
814# ifdef WIN16
815 && retval_str != (char_u *)1
816 && retval_str != (char_u *)-1
817 && !IsBadStringPtr(retval_str, INT_MAX)
818 && (len = strlen(retval_str) + 1) > 0
819# else
820 && (len = check_str_len(retval_str)) > 0
821# endif
822 )
823 {
824 *string_result = lalloc((long_u)len, TRUE);
825 if (*string_result != NULL)
826 mch_memmove(*string_result, retval_str, len);
827 }
828
829#ifdef HAVE_TRY_EXCEPT
830 }
831 __except(EXCEPTION_EXECUTE_HANDLER)
832 {
833 if (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW)
834 RESETSTKOFLW();
835 fRunTimeLinkSuccess = 0;
836 }
837#endif
838
839 // Free the DLL module.
840 (void)FreeLibrary(hinstLib);
841 }
842
843 if (!fRunTimeLinkSuccess)
844 {
845 EMSG2(_(e_libcall), funcname);
846 return FAIL;
847 }
848
849 return OK;
850}
851#endif
852
853#if defined(FEAT_MBYTE) || defined(PROTO)
854/*
855 * Convert an UTF-8 string to UCS-2.
856 * "instr[inlen]" is the input. "inlen" is in bytes.
857 * When "outstr" is NULL only return the number of UCS-2 words produced.
858 * Otherwise "outstr" must be a buffer of sufficient size.
859 * Returns the number of UCS-2 words produced.
860 */
861 int
862utf8_to_ucs2(char_u *instr, int inlen, short_u *outstr, int *unconvlenp)
863{
864 int outlen = 0;
865 char_u *p = instr;
866 int todo = inlen;
867 int l;
868
869 while (todo > 0)
870 {
871 /* Only convert if we have a complete sequence. */
872 l = utf_ptr2len_check_len(p, todo);
873 if (l > todo)
874 {
875 /* Return length of incomplete sequence. */
876 if (unconvlenp != NULL)
877 *unconvlenp = todo;
878 break;
879 }
880
881 if (outstr != NULL)
882 *outstr++ = utf_ptr2char(p);
883 ++outlen;
884 p += l;
885 todo -= l;
886 }
887
888 return outlen;
889}
890
891/*
892 * Convert an UCS-2 string to UTF-8.
893 * The input is "instr[inlen]" with "inlen" in number of ucs-2 words.
894 * When "outstr" is NULL only return the required number of bytes.
895 * Otherwise "outstr" must be a buffer of sufficient size.
896 * Return the number of bytes produced.
897 */
898 int
899ucs2_to_utf8(short_u *instr, int inlen, char_u *outstr)
900{
901 int outlen = 0;
902 int todo = inlen;
903 short_u *p = instr;
904 int l;
905
906 while (todo > 0)
907 {
908 if (outstr != NULL)
909 {
910 l = utf_char2bytes(*p, outstr);
911 outstr += l;
912 }
913 else
914 l = utf_char2len(*p);
915 ++p;
916 outlen += l;
917 --todo;
918 }
919
920 return outlen;
921}
922
923/*
924 * Call MultiByteToWideChar() and allocate memory for the result.
925 * Returns the result in "*out[*outlen]" with an extra zero appended.
926 * "outlen" is in words.
927 */
928 void
929MultiByteToWideChar_alloc(UINT cp, DWORD flags,
930 LPCSTR in, int inlen,
931 LPWSTR *out, int *outlen)
932{
933 *outlen = MultiByteToWideChar(cp, flags, in, inlen, 0, 0);
934 /* Add one one word to avoid a zero-length alloc(). */
935 *out = (LPWSTR)alloc(sizeof(WCHAR) * (*outlen + 1));
936 if (*out != NULL)
937 {
938 MultiByteToWideChar(cp, flags, in, inlen, *out, *outlen);
939 (*out)[*outlen] = 0;
940 }
941}
942
943/*
944 * Call WideCharToMultiByte() and allocate memory for the result.
945 * Returns the result in "*out[*outlen]" with an extra NUL appended.
946 */
947 void
948WideCharToMultiByte_alloc(UINT cp, DWORD flags,
949 LPCWSTR in, int inlen,
950 LPSTR *out, int *outlen,
951 LPCSTR def, LPBOOL useddef)
952{
953 *outlen = WideCharToMultiByte(cp, flags, in, inlen, NULL, 0, def, useddef);
954 /* Add one one byte to avoid a zero-length alloc(). */
955 *out = alloc((unsigned)*outlen + 1);
956 if (*out != NULL)
957 {
958 WideCharToMultiByte(cp, flags, in, inlen, *out, *outlen, def, useddef);
959 (*out)[*outlen] = 0;
960 }
961}
962
963#endif /* FEAT_MBYTE */
964
965#ifdef FEAT_CLIPBOARD
966/*
967 * Clipboard stuff, for cutting and pasting text to other windows.
968 */
969
970/* Type used for the clipboard type of Vim's data. */
971typedef struct
972{
973 int type; /* MCHAR, MBLOCK or MLINE */
974 int txtlen; /* length of CF_TEXT in bytes */
975 int ucslen; /* length of CF_UNICODETEXT in words */
976 int rawlen; /* length of clip_star.format_raw, including encoding,
977 excluding terminating NUL */
978} VimClipType_t;
979
980/*
981 * Make vim the owner of the current selection. Return OK upon success.
982 */
983 int
984clip_mch_own_selection(VimClipboard *cbd)
985{
986 /*
987 * Never actually own the clipboard. If another application sets the
988 * clipboard, we don't want to think that we still own it.
989 */
990 return FAIL;
991}
992
993/*
994 * Make vim NOT the owner of the current selection.
995 */
996 void
997clip_mch_lose_selection(VimClipboard *cbd)
998{
999 /* Nothing needs to be done here */
1000}
1001
1002/*
1003 * Copy "str[*size]" into allocated memory, changing CR-NL to NL.
1004 * Return the allocated result and the size in "*size".
1005 * Returns NULL when out of memory.
1006 */
1007 static char_u *
1008crnl_to_nl(const char_u *str, int *size)
1009{
1010 int pos = 0;
1011 int str_len = *size;
1012 char_u *ret;
1013 char_u *retp;
1014
1015 /* Avoid allocating zero bytes, it generates an error message. */
1016 ret = lalloc((long_u)(str_len == 0 ? 1 : str_len), TRUE);
1017 if (ret != NULL)
1018 {
1019 retp = ret;
1020 for (pos = 0; pos < str_len; ++pos)
1021 {
1022 if (str[pos] == '\r' && str[pos + 1] == '\n')
1023 {
1024 ++pos;
1025 --(*size);
1026 }
1027 *retp++ = str[pos];
1028 }
1029 }
1030
1031 return ret;
1032}
1033
1034#if defined(FEAT_MBYTE) || defined(PROTO)
1035/*
1036 * Note: the following two functions are only guaranteed to work when using
1037 * valid MS-Windows codepages or when iconv() is available.
1038 */
1039
1040/*
1041 * Convert "str" from 'encoding' to UCS-2.
1042 * Input in "str" with length "*lenp". When "lenp" is NULL, use strlen().
1043 * Output is returned as an allocated string. "*lenp" is set to the length of
1044 * the result. A trailing NUL is always added.
1045 * Returns NULL when out of memory.
1046 */
1047 short_u *
1048enc_to_ucs2(char_u *str, int *lenp)
1049{
1050 vimconv_T conv;
1051 WCHAR *ret;
1052 char_u *allocbuf = NULL;
1053 int len_loc;
1054 int length;
1055
1056 if (lenp == NULL)
1057 {
1058 len_loc = STRLEN(str) + 1;
1059 lenp = &len_loc;
1060 }
1061
1062 if (enc_codepage > 0)
1063 {
1064 /* We can do any CP### -> UCS-2 in one pass, and we can do it
1065 * without iconv() (convert_* may need iconv). */
1066 MultiByteToWideChar_alloc(enc_codepage, 0, str, *lenp, &ret, &length);
1067 }
1068 else
1069 {
1070 /* Use "latin1" by default, we might be called before we have p_enc
1071 * set up. Convert to utf-8 first, works better with iconv(). Does
1072 * nothing if 'encoding' is "utf-8". */
1073 conv.vc_type = CONV_NONE;
1074 if (convert_setup(&conv, p_enc ? p_enc : (char_u *)"latin1",
1075 (char_u *)"utf-8") == FAIL)
1076 return NULL;
1077 if (conv.vc_type != CONV_NONE)
1078 {
1079 str = allocbuf = string_convert(&conv, str, lenp);
1080 if (str == NULL)
1081 return NULL;
1082 }
1083 convert_setup(&conv, NULL, NULL);
1084
1085 length = utf8_to_ucs2(str, *lenp, NULL, NULL);
1086 ret = (WCHAR *)alloc((unsigned)((length + 1) * sizeof(WCHAR)));
1087 if (ret != NULL)
1088 {
1089 utf8_to_ucs2(str, *lenp, (short_u *)ret, NULL);
1090 ret[length] = 0;
1091 }
1092
1093 vim_free(allocbuf);
1094 }
1095
1096 *lenp = length;
1097 return (short_u *)ret;
1098}
1099
1100/*
1101 * Convert an UCS-2 string to 'encoding'.
1102 * Input in "str" with length (counted in wide characters) "*lenp". When
1103 * "lenp" is NULL, use wcslen().
1104 * Output is returned as an allocated string. If "*lenp" is not NULL it is
1105 * set to the length of the result.
1106 * Returns NULL when out of memory.
1107 */
1108 char_u *
1109ucs2_to_enc(short_u *str, int *lenp)
1110{
1111 vimconv_T conv;
1112 char_u *utf8_str = NULL, *enc_str = NULL;
1113 int len_loc;
1114
1115 if (lenp == NULL)
1116 {
1117 len_loc = wcslen(str) + 1;
1118 lenp = &len_loc;
1119 }
1120
1121 if (enc_codepage > 0)
1122 {
1123 /* We can do any UCS-2 -> CP### in one pass. */
1124 int length;
1125
1126 WideCharToMultiByte_alloc(enc_codepage, 0, str, *lenp,
1127 (LPSTR *)&enc_str, &length, 0, 0);
1128 *lenp = length;
1129 return enc_str;
1130 }
1131
1132 /* Avoid allocating zero bytes, it generates an error message. */
1133 utf8_str = alloc(ucs2_to_utf8(str, *lenp == 0 ? 1 : *lenp, NULL));
1134 if (utf8_str != NULL)
1135 {
1136 *lenp = ucs2_to_utf8(str, *lenp, utf8_str);
1137
1138 /* We might be called before we have p_enc set up. */
1139 conv.vc_type = CONV_NONE;
1140 convert_setup(&conv, (char_u *)"utf-8",
1141 p_enc? p_enc: (char_u *)"latin1");
1142 if (conv.vc_type == CONV_NONE)
1143 {
1144 /* p_enc is utf-8, so we're done. */
1145 enc_str = utf8_str;
1146 }
1147 else
1148 {
1149 enc_str = string_convert(&conv, utf8_str, lenp);
1150 vim_free(utf8_str);
1151 }
1152
1153 convert_setup(&conv, NULL, NULL);
1154 }
1155
1156 return enc_str;
1157}
1158#endif /* FEAT_MBYTE */
1159
1160/*
1161 * Get the current selection and put it in the clipboard register.
1162 *
1163 * NOTE: Must use GlobalLock/Unlock here to ensure Win32s compatibility.
1164 * On NT/W95 the clipboard data is a fixed global memory object and
1165 * so its handle = its pointer.
1166 * On Win32s, however, co-operation with the Win16 system means that
1167 * the clipboard data is moveable and its handle is not a pointer at all,
1168 * so we can't just cast the return value of GetClipboardData to (char_u*).
1169 * <VN>
1170 */
1171 void
1172clip_mch_request_selection(VimClipboard *cbd)
1173{
1174 VimClipType_t metadata = { -1, -1, -1, -1 };
1175 HGLOBAL hMem = NULL;
1176 char_u *str = NULL;
1177#if defined(FEAT_MBYTE) && defined(WIN3264)
1178 char_u *to_free = NULL;
1179#endif
1180#ifdef FEAT_MBYTE
1181 HGLOBAL rawh = NULL;
1182#endif
1183 char_u *hMemStr = NULL;
1184 int str_size = 0;
1185 int maxlen;
1186 size_t n;
1187
1188 /*
1189 * Don't pass GetActiveWindow() as an argument to OpenClipboard() because
1190 * then we can't paste back into the same window for some reason - webb.
1191 */
1192 if (!OpenClipboard(NULL))
1193 return;
1194
1195 /* Check for vim's own clipboard format first. This only gets the type of
1196 * the data, still need to use CF_UNICODETEXT or CF_TEXT for the text. */
1197 if (IsClipboardFormatAvailable(cbd->format))
1198 {
1199 VimClipType_t *meta_p;
1200 HGLOBAL meta_h;
1201
1202 /* We have metadata on the clipboard; try to get it. */
1203 if ((meta_h = GetClipboardData(cbd->format)) != NULL
1204 && (meta_p = (VimClipType_t *)GlobalLock(meta_h)) != NULL)
1205 {
1206 /* The size of "VimClipType_t" changed, "rawlen" was added later.
1207 * Only copy what is available for backwards compatibility. */
1208 n = sizeof(VimClipType_t);
1209 if (GlobalSize(meta_h) < n)
1210 n = GlobalSize(meta_h);
1211 memcpy(&metadata, meta_p, n);
1212 GlobalUnlock(meta_h);
1213 }
1214 }
1215
1216#ifdef FEAT_MBYTE
1217 /* Check for Vim's raw clipboard format first. This is used without
1218 * conversion, but only if 'encoding' matches. */
1219 if (IsClipboardFormatAvailable(cbd->format_raw)
1220 && metadata.rawlen > (int)STRLEN(p_enc))
1221 {
1222 /* We have raw data on the clipboard; try to get it. */
1223 if ((rawh = GetClipboardData(cbd->format_raw)) != NULL)
1224 {
1225 char_u *rawp;
1226
1227 rawp = (char_u *)GlobalLock(rawh);
1228 if (rawp != NULL && STRCMP(p_enc, rawp) == 0)
1229 {
1230 n = STRLEN(p_enc) + 1;
1231 str = rawp + n;
1232 str_size = metadata.rawlen - n;
1233 }
1234 else
1235 {
1236 GlobalUnlock(rawh);
1237 rawh = NULL;
1238 }
1239 }
1240 }
1241 if (str == NULL)
1242 {
1243#endif
1244
1245#if defined(FEAT_MBYTE) && defined(WIN3264)
1246 /* Try to get the clipboard in Unicode if it's not an empty string. */
1247 if (IsClipboardFormatAvailable(CF_UNICODETEXT) && metadata.ucslen != 0)
1248 {
1249 HGLOBAL hMemW;
1250
1251 if ((hMemW = GetClipboardData(CF_UNICODETEXT)) != NULL)
1252 {
1253 WCHAR *hMemWstr = (WCHAR *)GlobalLock(hMemW);
1254
1255 /* Use the length of our metadata if possible, but limit it to the
1256 * GlobalSize() for safety. */
1257 maxlen = GlobalSize(hMemW) / sizeof(WCHAR);
1258 if (metadata.ucslen >= 0)
1259 {
1260 if (metadata.ucslen > maxlen)
1261 str_size = maxlen;
1262 else
1263 str_size = metadata.ucslen;
1264 }
1265 else
1266 {
1267 for (str_size = 0; str_size < maxlen; ++str_size)
1268 if (hMemWstr[str_size] == NUL)
1269 break;
1270 }
1271 to_free = str = ucs2_to_enc((short_u *)hMemWstr, &str_size);
1272 GlobalUnlock(hMemW);
1273 }
1274 }
1275 else
1276#endif
1277 /* Get the clipboard in the Active codepage. */
1278 if (IsClipboardFormatAvailable(CF_TEXT))
1279 {
1280 if ((hMem = GetClipboardData(CF_TEXT)) != NULL)
1281 {
1282 str = hMemStr = (char_u *)GlobalLock(hMem);
1283
1284 /* The length is either what our metadata says or the strlen().
1285 * But limit it to the GlobalSize() for safety. */
1286 maxlen = GlobalSize(hMem);
1287 if (metadata.txtlen >= 0)
1288 {
1289 if (metadata.txtlen > maxlen)
1290 str_size = maxlen;
1291 else
1292 str_size = metadata.txtlen;
1293 }
1294 else
1295 {
1296 for (str_size = 0; str_size < maxlen; ++str_size)
1297 if (str[str_size] == NUL)
1298 break;
1299 }
1300
1301#if defined(FEAT_MBYTE) && defined(WIN3264)
1302 /* The text is in the active codepage. Convert to 'encoding',
1303 * going through UCS-2. */
1304 MultiByteToWideChar_alloc(GetACP(), 0, str, str_size,
1305 (LPWSTR *)&to_free, &maxlen);
1306 if (to_free != NULL)
1307 {
1308 str_size = maxlen;
1309 str = ucs2_to_enc((short_u *)to_free, &str_size);
1310 if (str != NULL)
1311 {
1312 vim_free(to_free);
1313 to_free = str;
1314 }
1315 }
1316#endif
1317 }
1318 }
1319#ifdef FEAT_MBYTE
1320 }
1321#endif
1322
1323 if (str != NULL && *str != NUL)
1324 {
1325 char_u *temp_clipboard;
1326
1327 /* If the type is not known guess it. */
1328 if (metadata.type == -1)
1329 metadata.type = (vim_strchr(str, '\n') == NULL) ? MCHAR : MLINE;
1330
1331 /* Translate <CR><NL> into <NL>. */
1332 temp_clipboard = crnl_to_nl(str, &str_size);
1333 if (temp_clipboard != NULL)
1334 {
1335 clip_yank_selection(metadata.type, temp_clipboard, str_size, cbd);
1336 vim_free(temp_clipboard);
1337 }
1338 }
1339
1340 /* unlock the global object */
1341 if (hMem != NULL)
1342 GlobalUnlock(hMem);
1343#ifdef FEAT_MBYTE
1344 if (rawh != NULL)
1345 GlobalUnlock(rawh);
1346#endif
1347 CloseClipboard();
1348#if defined(FEAT_MBYTE) && defined(WIN3264)
1349 vim_free(to_free);
1350#endif
1351}
1352
1353/*
1354 * Send the current selection to the clipboard.
1355 */
1356 void
1357clip_mch_set_selection(VimClipboard *cbd)
1358{
1359 char_u *str = NULL;
1360 VimClipType_t metadata;
1361 long_u txtlen;
1362 HGLOBAL hMemRaw = NULL;
1363 HGLOBAL hMem = NULL;
1364 HGLOBAL hMemVim = NULL;
1365# if defined(FEAT_MBYTE) && defined(WIN3264)
1366 HGLOBAL hMemW = NULL;
1367# endif
1368
1369 /* If the '*' register isn't already filled in, fill it in now */
1370 cbd->owned = TRUE;
1371 clip_get_selection(cbd);
1372 cbd->owned = FALSE;
1373
1374 /* Get the text to be put on the clipboard, with CR-LF. */
1375 metadata.type = clip_convert_selection(&str, &txtlen, cbd);
1376 if (metadata.type < 0)
1377 return;
1378 metadata.txtlen = (int)txtlen;
1379 metadata.ucslen = 0;
1380 metadata.rawlen = 0;
1381
1382#ifdef FEAT_MBYTE
1383 /* Always set the raw bytes: 'encoding', NUL and the text. This is used
1384 * when copy/paste from/to Vim with the same 'encoding', so that illegal
1385 * bytes can also be copied and no conversion is needed. */
1386 {
1387 LPSTR lpszMemRaw;
1388
1389 metadata.rawlen = txtlen + STRLEN(p_enc) + 1;
1390 hMemRaw = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
1391 metadata.rawlen + 1);
1392 lpszMemRaw = (LPSTR)GlobalLock(hMemRaw);
1393 if (lpszMemRaw != NULL)
1394 {
1395 STRCPY(lpszMemRaw, p_enc);
1396 memcpy(lpszMemRaw + STRLEN(p_enc) + 1, str, txtlen + 1);
1397 GlobalUnlock(hMemRaw);
1398 }
1399 else
1400 metadata.rawlen = 0;
1401 }
1402#endif
1403
1404# if defined(FEAT_MBYTE) && defined(WIN3264)
1405 {
1406 WCHAR *out;
1407 int len = metadata.txtlen;
1408
1409 /* Convert the text to UCS-2. This is put on the clipboard as
1410 * CF_UNICODETEXT. */
1411 out = (WCHAR *)enc_to_ucs2(str, &len);
1412 if (out != NULL)
1413 {
1414 WCHAR *lpszMemW;
1415
1416 /* Convert the text for CF_TEXT to Active codepage. Otherwise it's
1417 * p_enc, which has no relation to the Active codepage. */
1418 metadata.txtlen = WideCharToMultiByte(GetACP(), 0, out, len,
1419 NULL, 0, 0, 0);
1420 vim_free(str);
1421 str = (char_u *)alloc((unsigned)(metadata.txtlen == 0 ? 1
1422 : metadata.txtlen));
1423 if (str == NULL)
1424 {
1425 vim_free(out);
1426 return; /* out of memory */
1427 }
1428 WideCharToMultiByte(GetACP(), 0, out, len,
1429 str, metadata.txtlen, 0, 0);
1430
1431 /* Allocate memory for the UCS-2 text, add one NUL word to
1432 * terminate the string. */
1433 hMemW = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
1434 (len + 1) * sizeof(WCHAR));
1435 lpszMemW = (WCHAR *)GlobalLock(hMemW);
1436 if (lpszMemW != NULL)
1437 {
1438 memcpy(lpszMemW, out, len * sizeof(WCHAR));
1439 lpszMemW[len] = NUL;
1440 GlobalUnlock(hMemW);
1441 }
1442 vim_free(out);
1443 metadata.ucslen = len;
1444 }
1445 }
1446# endif
1447
1448 /* Allocate memory for the text, add one NUL byte to terminate the string.
1449 */
1450 hMem = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, metadata.txtlen + 1);
1451 {
1452 LPSTR lpszMem = (LPSTR)GlobalLock(hMem);
1453
1454 if (lpszMem)
1455 {
1456 STRNCPY(lpszMem, str, metadata.txtlen);
1457 lpszMem[metadata.txtlen] = NUL;
1458 GlobalUnlock(hMem);
1459 }
1460 }
1461
1462 /* Set up metadata: */
1463 {
1464 VimClipType_t *lpszMemVim = NULL;
1465
1466 hMemVim = GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE,
1467 sizeof(VimClipType_t));
1468 lpszMemVim = (VimClipType_t *)GlobalLock(hMemVim);
1469 memcpy(lpszMemVim, &metadata, sizeof(metadata));
1470 GlobalUnlock(hMemVim);
1471 }
1472
1473 /*
1474 * Open the clipboard, clear it and put our text on it.
1475 * Always set our Vim format. Put Unicode and plain text on it.
1476 *
1477 * Don't pass GetActiveWindow() as an argument to OpenClipboard()
1478 * because then we can't paste back into the same window for some
1479 * reason - webb.
1480 */
1481 if (OpenClipboard(NULL))
1482 {
1483 if (EmptyClipboard())
1484 {
1485 SetClipboardData(cbd->format, hMemVim);
1486 hMemVim = 0;
1487# if defined(FEAT_MBYTE) && defined(WIN3264)
1488 if (hMemW != NULL)
1489 {
1490 if (SetClipboardData(CF_UNICODETEXT, hMemW) != NULL)
1491 hMemW = NULL;
1492 }
1493# endif
1494 /* Always use CF_TEXT. On Win98 Notepad won't obtain the
1495 * CF_UNICODETEXT text, only CF_TEXT. */
1496 SetClipboardData(CF_TEXT, hMem);
1497 hMem = 0;
1498 }
1499 CloseClipboard();
1500 }
1501
1502 vim_free(str);
1503 /* Free any allocations we didn't give to the clipboard: */
1504 if (hMemRaw)
1505 GlobalFree(hMemRaw);
1506 if (hMem)
1507 GlobalFree(hMem);
1508# if defined(FEAT_MBYTE) && defined(WIN3264)
1509 if (hMemW)
1510 GlobalFree(hMemW);
1511# endif
1512 if (hMemVim)
1513 GlobalFree(hMemVim);
1514}
1515
1516#endif /* FEAT_CLIPBOARD */
1517
1518
1519/*
1520 * Debugging helper: expose the MCH_WRITE_DUMP stuff to other modules
1521 */
1522 void
1523DumpPutS(
1524 const char *psz)
1525{
1526# ifdef MCH_WRITE_DUMP
1527 if (fdDump)
1528 {
1529 fputs(psz, fdDump);
1530 if (psz[strlen(psz) - 1] != '\n')
1531 fputc('\n', fdDump);
1532 fflush(fdDump);
1533 }
1534# endif
1535}
1536
1537#ifdef _DEBUG
1538
1539void __cdecl
1540Trace(
1541 char *pszFormat,
1542 ...)
1543{
1544 CHAR szBuff[2048];
1545 va_list args;
1546
1547 va_start(args, pszFormat);
1548 vsprintf(szBuff, pszFormat, args);
1549 va_end(args);
1550
1551 OutputDebugString(szBuff);
1552}
1553
1554#endif //_DEBUG
1555
Bram Moolenaar843ee412004-06-30 16:16:41 +00001556#if !defined(FEAT_GUI) || defined(PROTO)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001557# if defined(FEAT_TITLE) && defined(WIN3264)
1558extern HWND g_hWnd; /* This is in os_win32.c. */
1559# endif
1560
1561/*
1562 * Showing the printer dialog is tricky since we have no GUI
1563 * window to parent it. The following routines are needed to
1564 * get the window parenting and Z-order to work properly.
1565 */
1566 static void
1567GetConsoleHwnd(void)
1568{
1569# define MY_BUFSIZE 1024 // Buffer size for console window titles.
1570
1571 char pszNewWindowTitle[MY_BUFSIZE]; // Contains fabricated WindowTitle.
1572 char pszOldWindowTitle[MY_BUFSIZE]; // Contains original WindowTitle.
1573
1574 /* Skip if it's already set. */
1575 if (s_hwnd != 0)
1576 return;
1577
1578# if defined(FEAT_TITLE) && defined(WIN3264)
1579 /* Window handle may have been found by init code (Windows NT only) */
1580 if (g_hWnd != 0)
1581 {
1582 s_hwnd = g_hWnd;
1583 return;
1584 }
1585# endif
1586
1587 GetConsoleTitle(pszOldWindowTitle, MY_BUFSIZE);
1588
1589 wsprintf(pszNewWindowTitle, "%s/%d/%d",
1590 pszOldWindowTitle,
1591 GetTickCount(),
1592 GetCurrentProcessId());
1593 SetConsoleTitle(pszNewWindowTitle);
1594 Sleep(40);
1595 s_hwnd = FindWindow(NULL, pszNewWindowTitle);
1596
1597 SetConsoleTitle(pszOldWindowTitle);
1598}
Bram Moolenaar843ee412004-06-30 16:16:41 +00001599
1600/*
1601 * Console implementation of ":winpos".
1602 */
1603 int
1604mch_get_winpos(int *x, int *y)
1605{
1606 RECT rect;
1607
1608 GetConsoleHwnd();
1609 GetWindowRect(s_hwnd, &rect);
1610 *x = rect.left;
1611 *y = rect.top;
1612 return OK;
1613}
1614
1615/*
1616 * Console implementation of ":winpos x y".
1617 */
1618 void
1619mch_set_winpos(int x, int y)
1620{
1621 GetConsoleHwnd();
1622 SetWindowPos(s_hwnd, NULL, x, y, 0, 0,
1623 SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
1624}
Bram Moolenaar071d4272004-06-13 20:20:40 +00001625#endif
1626
1627#if (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) || defined(PROTO)
1628
1629# ifdef WIN16
1630# define TEXT(a) a
1631# endif
1632/*=================================================================
1633 * Win32 printer stuff
1634 */
1635
1636static HFONT prt_font_handles[2][2][2];
1637static PRINTDLG prt_dlg;
1638static const int boldface[2] = {FW_REGULAR, FW_BOLD};
1639static TEXTMETRIC prt_tm;
1640static int prt_line_height;
1641static int prt_number_width;
1642static int prt_left_margin;
1643static int prt_right_margin;
1644static int prt_top_margin;
1645static char_u szAppName[] = TEXT("VIM");
1646static HWND hDlgPrint;
1647static int *bUserAbort = NULL;
1648static char_u *prt_name = NULL;
1649
1650/* Defines which are also in vim.rc. */
1651#define IDC_BOX1 400
1652#define IDC_PRINTTEXT1 401
1653#define IDC_PRINTTEXT2 402
1654#define IDC_PROGRESS 403
1655
1656/*
1657 * Convert BGR to RGB for Windows GDI calls
1658 */
1659 static COLORREF
1660swap_me(COLORREF colorref)
1661{
1662 int temp;
1663 char *ptr = (char *)&colorref;
1664
1665 temp = *(ptr);
1666 *(ptr ) = *(ptr + 2);
1667 *(ptr + 2) = temp;
1668 return colorref;
1669}
1670
1671 static BOOL CALLBACK
1672PrintDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
1673{
1674#ifdef FEAT_GETTEXT
1675 NONCLIENTMETRICS nm;
1676 static HFONT hfont;
1677#endif
1678
1679 switch (message)
1680 {
1681 case WM_INITDIALOG:
1682#ifdef FEAT_GETTEXT
1683 nm.cbSize = sizeof(NONCLIENTMETRICS);
1684 if (SystemParametersInfo(
1685 SPI_GETNONCLIENTMETRICS,
1686 sizeof(NONCLIENTMETRICS),
1687 &nm,
1688 0))
1689 {
1690 char buff[MAX_PATH];
1691 int i;
1692
1693 /* Translate the dialog texts */
1694 hfont = CreateFontIndirect(&nm.lfMessageFont);
1695 for (i = IDC_PRINTTEXT1; i <= IDC_PROGRESS; i++)
1696 {
1697 SendDlgItemMessage(hDlg, i, WM_SETFONT, (WPARAM)hfont, 1);
1698 if (GetDlgItemText(hDlg,i, buff, sizeof(buff)))
1699 SetDlgItemText(hDlg,i, _(buff));
1700 }
1701 SendDlgItemMessage(hDlg, IDCANCEL,
1702 WM_SETFONT, (WPARAM)hfont, 1);
1703 if (GetDlgItemText(hDlg,IDCANCEL, buff, sizeof(buff)))
1704 SetDlgItemText(hDlg,IDCANCEL, _(buff));
1705 }
1706#endif
1707 SetWindowText(hDlg, szAppName);
1708 if (prt_name != NULL)
1709 {
1710 SetDlgItemText(hDlg, IDC_PRINTTEXT2, (LPSTR)prt_name);
1711 vim_free(prt_name);
1712 prt_name = NULL;
1713 }
1714 EnableMenuItem(GetSystemMenu(hDlg, FALSE), SC_CLOSE, MF_GRAYED);
1715#ifndef FEAT_GUI
1716 BringWindowToTop(s_hwnd);
1717#endif
1718 return TRUE;
1719
1720 case WM_COMMAND:
1721 *bUserAbort = TRUE;
1722 EnableWindow(GetParent(hDlg), TRUE);
1723 DestroyWindow(hDlg);
1724 hDlgPrint = NULL;
1725#ifdef FEAT_GETTEXT
1726 DeleteObject(hfont);
1727#endif
1728 return TRUE;
1729 }
1730 return FALSE;
1731}
1732
1733 static BOOL CALLBACK
1734AbortProc(HDC hdcPrn, int iCode)
1735{
1736 MSG msg;
1737
1738 while (!*bUserAbort && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
1739 {
1740 if (!hDlgPrint || !IsDialogMessage(hDlgPrint, &msg))
1741 {
1742 TranslateMessage(&msg);
1743 DispatchMessage(&msg);
1744 }
1745 }
1746 return !*bUserAbort;
1747}
1748
1749#ifndef FEAT_GUI
1750
1751 static UINT CALLBACK
1752PrintHookProc(
1753 HWND hDlg, // handle to dialog box
1754 UINT uiMsg, // message identifier
1755 WPARAM wParam, // message parameter
1756 LPARAM lParam // message parameter
1757 )
1758{
1759 HWND hwndOwner;
1760 RECT rc, rcDlg, rcOwner;
1761 PRINTDLG *pPD;
1762
1763 if (uiMsg == WM_INITDIALOG)
1764 {
1765 // Get the owner window and dialog box rectangles.
1766 if ((hwndOwner = GetParent(hDlg)) == NULL)
1767 hwndOwner = GetDesktopWindow();
1768
1769 GetWindowRect(hwndOwner, &rcOwner);
1770 GetWindowRect(hDlg, &rcDlg);
1771 CopyRect(&rc, &rcOwner);
1772
1773 // Offset the owner and dialog box rectangles so that
1774 // right and bottom values represent the width and
1775 // height, and then offset the owner again to discard
1776 // space taken up by the dialog box.
1777
1778 OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
1779 OffsetRect(&rc, -rc.left, -rc.top);
1780 OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
1781
1782 // The new position is the sum of half the remaining
1783 // space and the owner's original position.
1784
1785 SetWindowPos(hDlg,
1786 HWND_TOP,
1787 rcOwner.left + (rc.right / 2),
1788 rcOwner.top + (rc.bottom / 2),
1789 0, 0, // ignores size arguments
1790 SWP_NOSIZE);
1791
1792 /* tackle the printdlg copiesctrl problem */
1793 pPD = (PRINTDLG *)lParam;
1794 pPD->nCopies = (WORD)pPD->lCustData;
1795 SetDlgItemInt( hDlg, edt3, pPD->nCopies, FALSE );
1796 /* Bring the window to top */
1797 BringWindowToTop(GetParent(hDlg));
1798 SetForegroundWindow(hDlg);
1799 }
1800
1801 return FALSE;
1802}
1803#endif
1804
1805 void
1806mch_print_cleanup(void)
1807{
1808 int pifItalic;
1809 int pifBold;
1810 int pifUnderline;
1811
1812 for (pifBold = 0; pifBold <= 1; pifBold++)
1813 for (pifItalic = 0; pifItalic <= 1; pifItalic++)
1814 for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
1815 DeleteObject(prt_font_handles[pifBold][pifItalic][pifUnderline]);
1816
1817 if (prt_dlg.hDC != NULL)
1818 DeleteDC(prt_dlg.hDC);
1819 if (!*bUserAbort)
1820 SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
1821}
1822
1823 static int
1824to_device_units(int idx, int dpi, int physsize, int offset, int def_number)
1825{
1826 int ret = 0;
1827 int u;
1828 int nr;
1829
1830 u = prt_get_unit(idx);
1831 if (u == PRT_UNIT_NONE)
1832 {
1833 u = PRT_UNIT_PERC;
1834 nr = def_number;
1835 }
1836 else
1837 nr = printer_opts[idx].number;
1838
1839 switch (u)
1840 {
1841 case PRT_UNIT_PERC:
1842 ret = (physsize * nr) / 100;
1843 break;
1844 case PRT_UNIT_INCH:
1845 ret = (nr * dpi);
1846 break;
1847 case PRT_UNIT_MM:
1848 ret = (nr * 10 * dpi) / 254;
1849 break;
1850 case PRT_UNIT_POINT:
1851 ret = (nr * 10 * dpi) / 720;
1852 break;
1853 }
1854
1855 if (ret < offset)
1856 return 0;
1857 else
1858 return ret - offset;
1859}
1860
1861 static int
1862prt_get_cpl(void)
1863{
1864 int hr;
1865 int phyw;
1866 int dvoff;
1867 int rev_offset;
1868 int dpi;
1869#ifdef WIN16
1870 POINT pagesize;
1871#endif
1872
1873 GetTextMetrics(prt_dlg.hDC, &prt_tm);
1874 prt_line_height = prt_tm.tmHeight + prt_tm.tmExternalLeading;
1875
1876 hr = GetDeviceCaps(prt_dlg.hDC, HORZRES);
1877#ifdef WIN16
1878 Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
1879 phyw = pagesize.x;
1880 Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
1881 dvoff = pagesize.x;
1882#else
1883 phyw = GetDeviceCaps(prt_dlg.hDC, PHYSICALWIDTH);
1884 dvoff = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETX);
1885#endif
1886 dpi = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSX);
1887
1888 rev_offset = phyw - (dvoff + hr);
1889
1890 prt_left_margin = to_device_units(OPT_PRINT_LEFT, dpi, phyw, dvoff, 10);
1891 if (prt_use_number())
1892 {
1893 prt_number_width = PRINT_NUMBER_WIDTH * prt_tm.tmAveCharWidth;
1894 prt_left_margin += prt_number_width;
1895 }
1896 else
1897 prt_number_width = 0;
1898
1899 prt_right_margin = hr - to_device_units(OPT_PRINT_RIGHT, dpi, phyw,
1900 rev_offset, 5);
1901
1902 return (prt_right_margin - prt_left_margin) / prt_tm.tmAveCharWidth;
1903}
1904
1905 static int
1906prt_get_lpp(void)
1907{
1908 int vr;
1909 int phyw;
1910 int dvoff;
1911 int rev_offset;
1912 int bottom_margin;
1913 int dpi;
1914#ifdef WIN16
1915 POINT pagesize;
1916#endif
1917
1918 vr = GetDeviceCaps(prt_dlg.hDC, VERTRES);
1919#ifdef WIN16
1920 Escape(prt_dlg.hDC, GETPHYSPAGESIZE, NULL, NULL, &pagesize);
1921 phyw = pagesize.y;
1922 Escape(prt_dlg.hDC, GETPRINTINGOFFSET, NULL, NULL, &pagesize);
1923 dvoff = pagesize.y;
1924#else
1925 phyw = GetDeviceCaps(prt_dlg.hDC, PHYSICALHEIGHT);
1926 dvoff = GetDeviceCaps(prt_dlg.hDC, PHYSICALOFFSETY);
1927#endif
1928 dpi = GetDeviceCaps(prt_dlg.hDC, LOGPIXELSY);
1929
1930 rev_offset = phyw - (dvoff + vr);
1931
1932 prt_top_margin = to_device_units(OPT_PRINT_TOP, dpi, phyw, dvoff, 5);
1933
1934 /* adjust top margin if there is a header */
1935 prt_top_margin += prt_line_height * prt_header_height();
1936
1937 bottom_margin = vr - to_device_units(OPT_PRINT_BOT, dpi, phyw,
1938 rev_offset, 5);
1939
1940 return (bottom_margin - prt_top_margin) / prt_line_height;
1941}
1942
1943 int
1944mch_print_init(prt_settings_T *psettings, char_u *jobname, int forceit)
1945{
1946 static HGLOBAL stored_dm = NULL;
1947 static HGLOBAL stored_devn = NULL;
1948 static int stored_nCopies = 1;
1949 static int stored_nFlags = 0;
1950
1951 LOGFONT fLogFont;
1952 int pifItalic;
1953 int pifBold;
1954 int pifUnderline;
1955
1956 DEVMODE *mem;
1957 DEVNAMES *devname;
1958 int i;
1959
1960 bUserAbort = &(psettings->user_abort);
1961 memset(&prt_dlg, 0, sizeof(PRINTDLG));
1962 prt_dlg.lStructSize = sizeof(PRINTDLG);
1963#ifndef FEAT_GUI
1964 GetConsoleHwnd(); /* get value of s_hwnd */
1965#endif
1966 prt_dlg.hwndOwner = s_hwnd;
1967 prt_dlg.Flags = PD_NOPAGENUMS | PD_NOSELECTION | PD_RETURNDC;
1968 if (!forceit)
1969 {
1970 prt_dlg.hDevMode = stored_dm;
1971 prt_dlg.hDevNames = stored_devn;
1972 prt_dlg.lCustData = stored_nCopies; // work around bug in print dialog
1973#ifndef FEAT_GUI
1974 /*
1975 * Use hook to prevent console window being sent to back
1976 */
1977 prt_dlg.lpfnPrintHook = PrintHookProc;
1978 prt_dlg.Flags |= PD_ENABLEPRINTHOOK;
1979#endif
1980 prt_dlg.Flags |= stored_nFlags;
1981 }
1982
1983 /*
1984 * If bang present, return default printer setup with no dialog
1985 * never show dialog if we are running over telnet
1986 */
1987 if (forceit
1988#ifndef FEAT_GUI
1989 || !term_console
1990#endif
1991 )
1992 {
1993 prt_dlg.Flags |= PD_RETURNDEFAULT;
1994#ifdef WIN3264
1995 /*
1996 * MSDN suggests setting the first parameter to WINSPOOL for
1997 * NT, but NULL appears to work just as well.
1998 */
1999 if (*p_pdev != NUL)
2000 prt_dlg.hDC = CreateDC(NULL, p_pdev, NULL, NULL);
2001 else
2002#endif
2003 {
2004 prt_dlg.Flags |= PD_RETURNDEFAULT;
2005 if (PrintDlg(&prt_dlg) == 0)
2006 goto init_fail_dlg;
2007 }
2008 }
2009 else if (PrintDlg(&prt_dlg) == 0)
2010 goto init_fail_dlg;
2011 else
2012 {
2013 /*
2014 * keep the previous driver context
2015 */
2016 stored_dm = prt_dlg.hDevMode;
2017 stored_devn = prt_dlg.hDevNames;
2018 stored_nFlags = prt_dlg.Flags;
2019 stored_nCopies = prt_dlg.nCopies;
2020 }
2021
2022 if (prt_dlg.hDC == NULL)
2023 {
2024 EMSG(_("E237: Printer selection failed"));
2025 mch_print_cleanup();
2026 return FALSE;
2027 }
2028
2029 /* Not all printer drivers report the support of color (or grey) in the
2030 * same way. Let's set has_color if there appears to be some way to print
2031 * more than B&W. */
2032 i = GetDeviceCaps(prt_dlg.hDC, NUMCOLORS);
2033 psettings->has_color = (GetDeviceCaps(prt_dlg.hDC, BITSPIXEL) > 1
2034 || GetDeviceCaps(prt_dlg.hDC, PLANES) > 1
2035 || i > 2 || i == -1);
2036
2037 /* Ensure all font styles are baseline aligned */
2038 SetTextAlign(prt_dlg.hDC, TA_BASELINE|TA_LEFT);
2039
2040 /*
2041 * On some windows systems the nCopies parameter is not
2042 * passed back correctly. It must be retrieved from the
2043 * hDevMode struct.
2044 */
2045 mem = (DEVMODE *)GlobalLock(prt_dlg.hDevMode);
2046 if (mem != NULL)
2047 {
2048#ifdef WIN3264
2049 if (mem->dmCopies != 1)
2050 stored_nCopies = mem->dmCopies;
2051#endif
2052 if ((mem->dmFields & DM_DUPLEX) && (mem->dmDuplex & ~DMDUP_SIMPLEX))
2053 psettings->duplex = TRUE;
2054 if ((mem->dmFields & DM_COLOR) && (mem->dmColor & DMCOLOR_COLOR))
2055 psettings->has_color = TRUE;
2056 }
2057 GlobalUnlock(prt_dlg.hDevMode);
2058
2059 devname = (DEVNAMES *)GlobalLock(prt_dlg.hDevNames);
2060 if (devname != 0)
2061 {
2062 char_u *printer_name = (char_u *)devname + devname->wDeviceOffset;
2063 char_u *port_name = (char_u *)devname +devname->wOutputOffset;
2064 char_u *text = _("to %s on %s");
2065
2066 prt_name = alloc(STRLEN(printer_name) + STRLEN(port_name)
2067 + STRLEN(text));
2068 if (prt_name != NULL)
2069 wsprintf(prt_name, text, printer_name, port_name);
2070 }
2071 GlobalUnlock(prt_dlg.hDevNames);
2072
2073 /*
2074 * Initialise the font according to 'printfont'
2075 */
2076 memset(&fLogFont, 0, sizeof(fLogFont));
2077 if (!get_logfont(&fLogFont, p_pfn, prt_dlg.hDC))
2078 {
2079 EMSG2(_("E613: Unknown printer font: %s"), p_pfn);
2080 mch_print_cleanup();
2081 return FALSE;
2082 }
2083
2084 for (pifBold = 0; pifBold <= 1; pifBold++)
2085 for (pifItalic = 0; pifItalic <= 1; pifItalic++)
2086 for (pifUnderline = 0; pifUnderline <= 1; pifUnderline++)
2087 {
2088 fLogFont.lfWeight = boldface[pifBold];
2089 fLogFont.lfItalic = pifItalic;
2090 fLogFont.lfUnderline = pifUnderline;
2091 prt_font_handles[pifBold][pifItalic][pifUnderline]
2092 = CreateFontIndirect(&fLogFont);
2093 }
2094
2095 SetBkMode(prt_dlg.hDC, OPAQUE);
2096 SelectObject(prt_dlg.hDC, prt_font_handles[0][0][0]);
2097
2098 /*
2099 * Fill in the settings struct
2100 */
2101 psettings->chars_per_line = prt_get_cpl();
2102 psettings->lines_per_page = prt_get_lpp();
2103 psettings->n_collated_copies = (prt_dlg.Flags & PD_COLLATE)
2104 ? prt_dlg.nCopies : 1;
2105 psettings->n_uncollated_copies = (prt_dlg.Flags & PD_COLLATE)
2106 ? 1 : prt_dlg.nCopies;
2107
2108 if (psettings->n_collated_copies == 0)
2109 psettings->n_collated_copies = 1;
2110
2111 if (psettings->n_uncollated_copies == 0)
2112 psettings->n_uncollated_copies = 1;
2113
2114 psettings->jobname = jobname;
2115
2116 return TRUE;
2117
2118init_fail_dlg:
2119 {
2120 DWORD err = CommDlgExtendedError();
2121
2122 if (err)
2123 {
2124#ifdef WIN16
2125 char buf[20];
2126
2127 sprintf(buf, "%ld", err);
2128 EMSG2(_("E238: Print error: %s"), buf);
2129#else
2130 char_u *buf;
2131
2132 /* I suspect FormatMessage() doesn't work for values returned by
2133 * CommDlgExtendedError(). What does? */
2134 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
2135 FORMAT_MESSAGE_FROM_SYSTEM |
2136 FORMAT_MESSAGE_IGNORE_INSERTS,
2137 NULL, err, 0, (LPTSTR)(&buf), 0, NULL);
2138 EMSG2(_("E238: Print error: %s"),
2139 buf == NULL ? (char_u *)_("Unknown") : buf);
2140 LocalFree((LPVOID)(buf));
2141#endif
2142 }
2143 else
2144 msg_clr_eos(); /* Maybe canceled */
2145
2146 mch_print_cleanup();
2147 return FALSE;
2148 }
2149}
2150
2151
2152 int
2153mch_print_begin(prt_settings_T *psettings)
2154{
2155 int ret;
2156 static DOCINFO di;
2157 char szBuffer[300];
2158
2159 hDlgPrint = CreateDialog(GetModuleHandle(NULL), TEXT("PrintDlgBox"),
2160 prt_dlg.hwndOwner, PrintDlgProc);
2161#ifdef WIN16
2162 Escape(prt_dlg.hDC, SETABORTPROC, 0, (LPSTR)AbortProc, NULL);
2163#else
2164 SetAbortProc(prt_dlg.hDC, AbortProc);
2165#endif
2166 wsprintf(szBuffer, _("Printing '%s'"), gettail(psettings->jobname));
2167 SetDlgItemText(hDlgPrint, IDC_PRINTTEXT1, (LPSTR)szBuffer);
2168
2169 memset(&di, 0, sizeof(DOCINFO));
2170 di.cbSize = sizeof(DOCINFO);
2171 di.lpszDocName = psettings->jobname;
2172 ret = StartDoc(prt_dlg.hDC, &di);
2173
2174#ifdef FEAT_GUI
2175 /* Give focus back to main window (when using MDI). */
2176 SetFocus(s_hwnd);
2177#endif
2178
2179 return (ret > 0);
2180}
2181
2182 void
2183mch_print_end(prt_settings_T *psettings)
2184{
2185 EndDoc(prt_dlg.hDC);
2186 if (!*bUserAbort)
2187 SendMessage(hDlgPrint, WM_COMMAND, 0, 0);
2188}
2189
2190 int
2191mch_print_end_page(void)
2192{
2193 return (EndPage(prt_dlg.hDC) > 0);
2194}
2195
2196 int
2197mch_print_begin_page(char_u *msg)
2198{
2199 if (msg != NULL)
2200 SetDlgItemText(hDlgPrint, IDC_PROGRESS, (LPSTR)msg);
2201 return (StartPage(prt_dlg.hDC) > 0);
2202}
2203
2204 int
2205mch_print_blank_page(void)
2206{
2207 return (mch_print_begin_page(NULL) ? (mch_print_end_page()) : FALSE);
2208}
2209
2210static int prt_pos_x = 0;
2211static int prt_pos_y = 0;
2212
2213 void
2214mch_print_start_line(margin, page_line)
2215 int margin;
2216 int page_line;
2217{
2218 if (margin)
2219 prt_pos_x = -prt_number_width;
2220 else
2221 prt_pos_x = 0;
2222 prt_pos_y = page_line * prt_line_height
2223 + prt_tm.tmAscent + prt_tm.tmExternalLeading;
2224}
2225
2226 int
2227mch_print_text_out(char_u *p, int len)
2228{
2229#ifdef FEAT_PROPORTIONAL_FONTS
2230 SIZE sz;
2231#endif
2232
2233 TextOut(prt_dlg.hDC, prt_pos_x + prt_left_margin,
2234 prt_pos_y + prt_top_margin, p, len);
2235#ifndef FEAT_PROPORTIONAL_FONTS
2236 prt_pos_x += len * prt_tm.tmAveCharWidth;
2237 return (prt_pos_x + prt_left_margin + prt_tm.tmAveCharWidth
2238 + prt_tm.tmOverhang > prt_right_margin);
2239#else
2240# ifdef WIN16
2241 GetTextExtentPoint(prt_dlg.hDC, p, len, &sz);
2242# else
2243 GetTextExtentPoint32(prt_dlg.hDC, p, len, &sz);
2244# endif
2245 prt_pos_x += (sz.cx - prt_tm.tmOverhang);
2246 /* This is wrong when printing spaces for a TAB. */
2247 if (p[len] == NUL)
2248 return FALSE;
2249# ifdef WIN16
2250 GetTextExtentPoint(prt_dlg.hDC, p + len, 1, &sz);
2251# else
2252 GetTextExtentPoint32(prt_dlg.hDC, p + len, 1, &sz);
2253# endif
2254 return (prt_pos_x + prt_left_margin + sz.cx > prt_right_margin);
2255#endif
2256}
2257
2258 void
2259mch_print_set_font(int iBold, int iItalic, int iUnderline)
2260{
2261 SelectObject(prt_dlg.hDC, prt_font_handles[iBold][iItalic][iUnderline]);
2262}
2263
2264 void
2265mch_print_set_bg(unsigned long bgcol)
2266{
2267 SetBkColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC, swap_me(bgcol)));
2268 /*
2269 * With a white background we can draw characters transparent, which is
2270 * good for italic characters that overlap to the next char cell.
2271 */
2272 if (bgcol == 0xffffffUL)
2273 SetBkMode(prt_dlg.hDC, TRANSPARENT);
2274 else
2275 SetBkMode(prt_dlg.hDC, OPAQUE);
2276}
2277
2278 void
2279mch_print_set_fg(unsigned long fgcol)
2280{
2281 SetTextColor(prt_dlg.hDC, GetNearestColor(prt_dlg.hDC, swap_me(fgcol)));
2282}
2283
2284#endif /*FEAT_PRINTER && !FEAT_POSTSCRIPT*/
2285
2286#if defined(FEAT_SHORTCUT) || defined(PROTO)
2287# include <shlobj.h>
2288
2289/*
2290 * When "fname" is the name of a shortcut (*.lnk) resolve the file it points
2291 * to and return that name in allocated memory.
2292 * Otherwise NULL is returned.
2293 */
2294 char_u *
2295mch_resolve_shortcut(char_u *fname)
2296{
2297 HRESULT hr;
2298 IShellLink *psl = NULL;
2299 IPersistFile *ppf = NULL;
2300 OLECHAR wsz[MAX_PATH];
2301 WIN32_FIND_DATA ffd; // we get those free of charge
2302 TCHAR buf[MAX_PATH]; // could have simply reused 'wsz'...
2303 char_u *rfname = NULL;
2304 int len;
2305
2306 /* Check if the file name ends in ".lnk". Avoid calling
2307 * CoCreateInstance(), it's quite slow. */
2308 if (fname == NULL)
2309 return rfname;
2310 len = STRLEN(fname);
2311 if (len <= 4 || STRNICMP(fname + len - 4, ".lnk", 4) != 0)
2312 return rfname;
2313
2314 CoInitialize(NULL);
2315
2316 // create a link manager object and request its interface
2317 hr = CoCreateInstance(
2318 &CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
2319 &IID_IShellLink, (void**)&psl);
2320 if (hr != S_OK)
2321 goto shortcut_error;
2322
2323 // Get a pointer to the IPersistFile interface.
2324 hr = psl->lpVtbl->QueryInterface(
2325 psl, &IID_IPersistFile, (void**)&ppf);
2326 if (hr != S_OK)
2327 goto shortcut_error;
2328
2329 // full path string must be in Unicode.
2330 MultiByteToWideChar(CP_ACP, 0, fname, -1, wsz, MAX_PATH);
2331
2332 // "load" the name and resove the link
2333 hr = ppf->lpVtbl->Load(ppf, wsz, STGM_READ);
2334 if (hr != S_OK)
2335 goto shortcut_error;
2336#if 0 // This makes Vim wait a long time if the target doesn't exist.
2337 hr = psl->lpVtbl->Resolve(psl, NULL, SLR_NO_UI);
2338 if (hr != S_OK)
2339 goto shortcut_error;
2340#endif
2341
2342 // Get the path to the link target.
2343 ZeroMemory(buf, MAX_PATH);
2344 hr = psl->lpVtbl->GetPath(psl, buf, MAX_PATH, &ffd, 0);
2345 if (hr == S_OK && buf[0] != NUL)
2346 rfname = vim_strsave(buf);
2347
2348shortcut_error:
2349 // Release all interface pointers (both belong to the same object)
2350 if (ppf != NULL)
2351 ppf->lpVtbl->Release(ppf);
2352 if (psl != NULL)
2353 psl->lpVtbl->Release(psl);
2354
2355 CoUninitialize();
2356 return rfname;
2357}
2358#endif
2359
2360#if (defined(FEAT_EVAL) && !defined(FEAT_GUI)) || defined(PROTO)
2361/*
2362 * Bring ourselves to the foreground. Does work if the OS doesn't allow it.
2363 */
2364 void
2365win32_set_foreground()
2366{
2367# ifndef FEAT_GUI
2368 GetConsoleHwnd(); /* get value of s_hwnd */
2369# endif
2370 if (s_hwnd != 0)
2371 SetForegroundWindow(s_hwnd);
2372}
2373#endif
2374
2375#if defined(FEAT_CLIENTSERVER) || defined(PROTO)
2376/*
2377 * Client-server code for Vim
2378 *
2379 * Originally written by Paul Moore
2380 */
2381
2382/* In order to handle inter-process messages, we need to have a window. But
2383 * the functions in this module can be called before the main GUI window is
2384 * created (and may also be called in the console version, where there is no
2385 * GUI window at all).
2386 *
2387 * So we create a hidden window, and arrange to destroy it on exit.
2388 */
2389HWND message_window = 0; /* window that's handling messsages */
2390
2391#define VIM_CLASSNAME "VIM_MESSAGES"
2392#define VIM_CLASSNAME_LEN (sizeof(VIM_CLASSNAME) - 1)
2393
2394/* Communication is via WM_COPYDATA messages. The message type is send in
2395 * the dwData parameter. Types are defined here. */
2396#define COPYDATA_KEYS 0
2397#define COPYDATA_REPLY 1
2398#define COPYDATA_EXPR 10
2399#define COPYDATA_RESULT 11
2400#define COPYDATA_ERROR_RESULT 12
2401
2402/* This is a structure containing a server HWND and its name. */
2403struct server_id
2404{
2405 HWND hwnd;
2406 char_u *name;
2407};
2408
2409/*
2410 * Clean up on exit. This destroys the hidden message window.
2411 */
2412 static void
2413#ifdef __BORLANDC__
2414 _RTLENTRYF
2415#endif
2416CleanUpMessaging(void)
2417{
2418 if (message_window != 0)
2419 {
2420 DestroyWindow(message_window);
2421 message_window = 0;
2422 }
2423}
2424
2425static int save_reply(HWND server, char_u *reply, int expr);
2426
2427/*s
2428 * The window procedure for the hidden message window.
2429 * It handles callback messages and notifications from servers.
2430 * In order to process these messages, it is necessary to run a
2431 * message loop. Code which may run before the main message loop
2432 * is started (in the GUI) is careful to pump messages when it needs
2433 * to. Features which require message delivery during normal use will
2434 * not work in the console version - this basically means those
2435 * features which allow Vim to act as a server, rather than a client.
2436 */
2437 static LRESULT CALLBACK
2438Messaging_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
2439{
2440 if (msg == WM_COPYDATA)
2441 {
2442 /* This is a message from another Vim. The dwData member of the
2443 * COPYDATASTRUCT determines the type of message:
2444 * COPYDATA_KEYS:
2445 * A key sequence. We are a server, and a client wants these keys
2446 * adding to the input queue.
2447 * COPYDATA_REPLY:
2448 * A reply. We are a client, and a server has sent this message
2449 * in response to a request. (server2client())
2450 * COPYDATA_EXPR:
2451 * An expression. We are a server, and a client wants us to
2452 * evaluate this expression.
2453 * COPYDATA_RESULT:
2454 * A reply. We are a client, and a server has sent this message
2455 * in response to a COPYDATA_EXPR.
2456 * COPYDATA_ERROR_RESULT:
2457 * A reply. We are a client, and a server has sent this message
2458 * in response to a COPYDATA_EXPR that failed to evaluate.
2459 */
2460 COPYDATASTRUCT *data = (COPYDATASTRUCT*)lParam;
2461 HWND sender = (HWND)wParam;
2462 COPYDATASTRUCT reply;
2463 char_u *res;
2464 char_u winstr[30];
2465 int retval;
2466
2467 switch (data->dwData)
2468 {
2469 case COPYDATA_KEYS:
2470 /* Remember who sent this, for <client> */
2471 clientWindow = sender;
2472
2473 /* Add the received keys to the input buffer. The loop waiting
2474 * for the user to do something should check the input buffer. */
2475 server_to_input_buf((char_u *)(data->lpData));
2476
2477# ifdef FEAT_GUI
2478 /* Wake up the main GUI loop. */
2479 if (s_hwnd != 0)
2480 PostMessage(s_hwnd, WM_NULL, 0, 0);
2481# endif
2482 return 1;
2483
2484 case COPYDATA_EXPR:
2485 /* Remember who sent this, for <client> */
2486 clientWindow = sender;
2487
2488 res = eval_client_expr_to_string(data->lpData);
2489 if (res == NULL)
2490 {
2491 res = vim_strsave(_(e_invexprmsg));
2492 reply.dwData = COPYDATA_ERROR_RESULT;
2493 }
2494 else
2495 reply.dwData = COPYDATA_RESULT;
2496 reply.lpData = res;
2497 reply.cbData = STRLEN(res) + 1;
2498
2499 retval = SendMessage(sender, WM_COPYDATA, (WPARAM)message_window,
2500 (LPARAM)(&reply));
2501 vim_free(res);
2502 return retval;
2503
2504 case COPYDATA_REPLY:
2505 case COPYDATA_RESULT:
2506 case COPYDATA_ERROR_RESULT:
2507 if (data->lpData != NULL)
2508 {
2509 save_reply(sender, data->lpData,
2510 (data->dwData == COPYDATA_REPLY ? 0 :
2511 (data->dwData == COPYDATA_RESULT ? 1 :
2512 2)));
2513#ifdef FEAT_AUTOCMD
2514 if (data->dwData == COPYDATA_REPLY)
2515 {
2516 sprintf((char *)winstr, "0x%x", (unsigned)sender);
2517 apply_autocmds(EVENT_REMOTEREPLY, winstr, data->lpData,
2518 TRUE, curbuf);
2519 }
2520#endif
2521 }
2522 return 1;
2523 }
2524
2525 return 0;
2526 }
2527
2528 else if (msg == WM_ACTIVATE && wParam == WA_ACTIVE)
2529 {
2530 /* When the message window is activated (brought to the foreground),
2531 * this actually applies to the text window. */
2532#ifndef FEAT_GUI
2533 GetConsoleHwnd(); /* get value of s_hwnd */
2534#endif
2535 if (s_hwnd != 0)
2536 {
2537 SetForegroundWindow(s_hwnd);
2538 return 0;
2539 }
2540 }
2541
2542 return DefWindowProc(hwnd, msg, wParam, lParam);
2543}
2544
2545/*
2546 * Initialise the message handling process. This involves creating a window
2547 * to handle messages - the window will not be visible.
2548 */
2549 void
2550serverInitMessaging(void)
2551{
2552 WNDCLASS wndclass;
2553 HINSTANCE s_hinst;
2554
2555 /* Clean up on exit */
2556 atexit(CleanUpMessaging);
2557
2558 /* Register a window class - we only really care
2559 * about the window procedure
2560 */
2561 s_hinst = (HINSTANCE)GetModuleHandle(0);
2562 wndclass.style = 0;
2563 wndclass.lpfnWndProc = Messaging_WndProc;
2564 wndclass.cbClsExtra = 0;
2565 wndclass.cbWndExtra = 0;
2566 wndclass.hInstance = s_hinst;
2567 wndclass.hIcon = NULL;
2568 wndclass.hCursor = NULL;
2569 wndclass.hbrBackground = NULL;
2570 wndclass.lpszMenuName = NULL;
2571 wndclass.lpszClassName = VIM_CLASSNAME;
2572 RegisterClass(&wndclass);
2573
2574 /* Create the message window. It will be hidden, so the details don't
2575 * matter. Don't use WS_OVERLAPPEDWINDOW, it will make a shortcut remove
2576 * focus from gvim. */
2577 message_window = CreateWindow(VIM_CLASSNAME, "",
2578 WS_POPUPWINDOW | WS_CAPTION,
2579 CW_USEDEFAULT, CW_USEDEFAULT,
2580 100, 100, NULL, NULL,
2581 s_hinst, NULL);
2582}
2583
2584/*
2585 * Get the title of the window "hwnd", which is the Vim server name, in
2586 * "name[namelen]" and return the length.
2587 * Returns zero if window "hwnd" is not a Vim server.
2588 */
2589 static int
2590getVimServerName(HWND hwnd, char *name, int namelen)
2591{
2592 int len;
2593 char buffer[VIM_CLASSNAME_LEN + 1];
2594
2595 /* Ignore windows which aren't Vim message windows */
2596 len = GetClassName(hwnd, buffer, sizeof(buffer));
2597 if (len != VIM_CLASSNAME_LEN || STRCMP(buffer, VIM_CLASSNAME) != 0)
2598 return 0;
2599
2600 /* Get the title of the window */
2601 return GetWindowText(hwnd, name, namelen);
2602}
2603
2604 static BOOL CALLBACK
2605enumWindowsGetServer(HWND hwnd, LPARAM lparam)
2606{
2607 struct server_id *id = (struct server_id *)lparam;
2608 char server[MAX_PATH];
2609
2610 /* Get the title of the window */
2611 if (getVimServerName(hwnd, server, sizeof(server)) == 0)
2612 return TRUE;
2613
2614 /* If this is the server we're looking for, return its HWND */
2615 if (STRICMP(server, id->name) == 0)
2616 {
2617 id->hwnd = hwnd;
2618 return FALSE;
2619 }
2620
2621 /* Otherwise, keep looking */
2622 return TRUE;
2623}
2624
2625 static BOOL CALLBACK
2626enumWindowsGetNames(HWND hwnd, LPARAM lparam)
2627{
2628 garray_T *ga = (garray_T *)lparam;
2629 char server[MAX_PATH];
2630
2631 /* Get the title of the window */
2632 if (getVimServerName(hwnd, server, sizeof(server)) == 0)
2633 return TRUE;
2634
2635 /* Add the name to the list */
2636 ga_concat(ga, server);
2637 ga_concat(ga, "\n");
2638 return TRUE;
2639}
2640
2641 static HWND
2642findServer(char_u *name)
2643{
2644 struct server_id id;
2645
2646 id.name = name;
2647 id.hwnd = 0;
2648
2649 EnumWindows(enumWindowsGetServer, (LPARAM)(&id));
2650
2651 return id.hwnd;
2652}
2653
2654 void
2655serverSetName(char_u *name)
2656{
2657 char_u *ok_name;
2658 HWND hwnd = 0;
2659 int i = 0;
2660 char_u *p;
2661
2662 /* Leave enough space for a 9-digit suffix to ensure uniqueness! */
2663 ok_name = alloc(STRLEN(name) + 10);
2664
2665 STRCPY(ok_name, name);
2666 p = ok_name + STRLEN(name);
2667
2668 for (;;)
2669 {
2670 /* This is inefficient - we're doing an EnumWindows loop for each
2671 * possible name. It would be better to grab all names in one go,
2672 * and scan the list each time...
2673 */
2674 hwnd = findServer(ok_name);
2675 if (hwnd == 0)
2676 break;
2677
2678 ++i;
2679 if (i >= 1000)
2680 break;
2681
2682 sprintf((char *)p, "%d", i);
2683 }
2684
2685 if (hwnd != 0)
2686 vim_free(ok_name);
2687 else
2688 {
2689 /* Remember the name */
2690 serverName = ok_name;
2691#ifdef FEAT_TITLE
2692 need_maketitle = TRUE; /* update Vim window title later */
2693#endif
2694
2695 /* Update the message window title */
2696 SetWindowText(message_window, ok_name);
2697
2698#ifdef FEAT_EVAL
2699 /* Set the servername variable */
2700 set_vim_var_string(VV_SEND_SERVER, serverName, -1);
2701#endif
2702 }
2703}
2704
2705 char_u *
2706serverGetVimNames(void)
2707{
2708 garray_T ga;
2709
2710 ga_init2(&ga, 1, 100);
2711
2712 EnumWindows(enumWindowsGetNames, (LPARAM)(&ga));
Bram Moolenaar269ec652004-07-29 08:43:53 +00002713 ga_append(&ga, NUL);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002714
2715 return ga.ga_data;
2716}
2717
2718 int
2719serverSendReply(name, reply)
2720 char_u *name; /* Where to send. */
2721 char_u *reply; /* What to send. */
2722{
2723 HWND target;
2724 COPYDATASTRUCT data;
2725 int n = 0;
2726
2727 /* The "name" argument is a magic cookie obtained from expand("<client>").
2728 * It should be of the form 0xXXXXX - i.e. a C hex literal, which is the
2729 * value of the client's message window HWND.
2730 */
2731 sscanf((char *)name, "%x", &n);
2732 if (n == 0)
2733 return -1;
2734
2735 target = (HWND)n;
2736 if (!IsWindow(target))
2737 return -1;
2738
2739 data.dwData = COPYDATA_REPLY;
2740 data.cbData = STRLEN(reply) + 1;
2741 data.lpData = reply;
2742
2743 if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2744 (LPARAM)(&data)))
2745 return 0;
2746
2747 return -1;
2748}
2749
2750 int
2751serverSendToVim(name, cmd, result, ptarget, asExpr, silent)
2752 char_u *name; /* Where to send. */
2753 char_u *cmd; /* What to send. */
2754 char_u **result; /* Result of eval'ed expression */
2755 void *ptarget; /* HWND of server */
2756 int asExpr; /* Expression or keys? */
2757 int silent; /* don't complain about no server */
2758{
2759 HWND target = findServer(name);
2760 COPYDATASTRUCT data;
2761 char_u *retval = NULL;
2762 int retcode = 0;
2763
2764 if (target == 0)
2765 {
2766 if (!silent)
2767 EMSG2(_(e_noserver), name);
2768 return -1;
2769 }
2770
2771 if (ptarget)
2772 *(HWND *)ptarget = target;
2773
2774 data.dwData = asExpr ? COPYDATA_EXPR : COPYDATA_KEYS;
2775 data.cbData = STRLEN(cmd) + 1;
2776 data.lpData = cmd;
2777
2778 if (SendMessage(target, WM_COPYDATA, (WPARAM)message_window,
2779 (LPARAM)(&data)) == 0)
2780 return -1;
2781
2782 if (asExpr)
2783 retval = serverGetReply(target, &retcode, TRUE, TRUE);
2784
2785 if (result == NULL)
2786 vim_free(retval);
2787 else
2788 *result = retval; /* Caller assumes responsibility for freeing */
2789
2790 return retcode;
2791}
2792
2793/*
2794 * Bring the server to the foreground.
2795 */
2796 void
2797serverForeground(name)
2798 char_u *name;
2799{
2800 HWND target = findServer(name);
2801
2802 if (target != 0)
2803 SetForegroundWindow(target);
2804}
2805
2806/* Replies from server need to be stored until the client picks them up via
2807 * remote_read(). So we maintain a list of server-id/reply pairs.
2808 * Note that there could be multiple replies from one server pending if the
2809 * client is slow picking them up.
2810 * We just store the replies in a simple list. When we remove an entry, we
2811 * move list entries down to fill the gap.
2812 * The server ID is simply the HWND.
2813 */
2814typedef struct
2815{
2816 HWND server; /* server window */
2817 char_u *reply; /* reply string */
2818 int expr_result; /* 0 for REPLY, 1 for RESULT 2 for error */
2819}
2820reply_T;
2821
2822static garray_T reply_list = {0, 0, sizeof(reply_T), 5, 0};
2823
2824#define REPLY_ITEM(i) ((reply_T *)(reply_list.ga_data) + (i))
2825#define REPLY_COUNT (reply_list.ga_len)
2826#define REPLY_ROOM (reply_list.ga_room)
2827
2828/* Flag which is used to wait for a reply */
2829static int reply_received = 0;
2830
2831 static int
2832save_reply(HWND server, char_u *reply, int expr)
2833{
2834 reply_T *rep;
2835
2836 if (ga_grow(&reply_list, 1) == FAIL)
2837 return FAIL;
2838
2839 rep = REPLY_ITEM(REPLY_COUNT);
2840 rep->server = server;
2841 rep->reply = vim_strsave(reply);
2842 rep->expr_result = expr;
2843 if (rep->reply == NULL)
2844 return FAIL;
2845
2846 ++REPLY_COUNT;
2847 --REPLY_ROOM;
2848 reply_received = 1;
2849 return OK;
2850}
2851
2852/*
2853 * Get a reply from server "server".
2854 * When "expr_res" is non NULL, get the result of an expression, otherwise a
2855 * server2client() message.
2856 * When non NULL, point to return code. 0 => OK, -1 => ERROR
2857 * If "remove" is TRUE, consume the message, the caller must free it then.
2858 * if "wait" is TRUE block until a message arrives (or the server exits).
2859 */
2860 char_u *
2861serverGetReply(HWND server, int *expr_res, int remove, int wait)
2862{
2863 int i;
2864 char_u *reply;
2865 reply_T *rep;
2866
2867 /* When waiting, loop until the message waiting for is received. */
2868 for (;;)
2869 {
2870 /* Reset this here, in case a message arrives while we are going
2871 * through the already received messages. */
2872 reply_received = 0;
2873
2874 for (i = 0; i < REPLY_COUNT; ++i)
2875 {
2876 rep = REPLY_ITEM(i);
2877 if (rep->server == server
2878 && ((rep->expr_result != 0) == (expr_res != NULL)))
2879 {
2880 /* Save the values we've found for later */
2881 reply = rep->reply;
2882 if (expr_res != NULL)
2883 *expr_res = rep->expr_result == 1 ? 0 : -1;
2884
2885 if (remove)
2886 {
2887 /* Move the rest of the list down to fill the gap */
2888 mch_memmove(rep, rep + 1,
2889 (REPLY_COUNT - i - 1) * sizeof(reply_T));
2890 --REPLY_COUNT;
2891 ++REPLY_ROOM;
2892 }
2893
2894 /* Return the reply to the caller, who takes on responsibility
2895 * for freeing it if "remove" is TRUE. */
2896 return reply;
2897 }
2898 }
2899
2900 /* If we got here, we didn't find a reply. Return immediately if the
2901 * "wait" parameter isn't set. */
2902 if (!wait)
2903 break;
2904
2905 /* We need to wait for a reply. Enter a message loop until the
2906 * "reply_received" flag gets set. */
2907
2908 /* Loop until we receive a reply */
2909 while (reply_received == 0)
2910 {
2911 /* Wait for a SendMessage() call to us. This could be the reply
2912 * we are waiting for. Use a timeout of a second, to catch the
2913 * situation that the server died unexpectedly. */
2914 MsgWaitForMultipleObjects(0, NULL, TRUE, 1000, QS_ALLINPUT);
2915
2916 /* If the server has died, give up */
2917 if (!IsWindow(server))
2918 return NULL;
2919
2920 serverProcessPendingMessages();
2921 }
2922 }
2923
2924 return NULL;
2925}
2926
2927/*
2928 * Process any messages in the Windows message queue.
2929 */
2930 void
2931serverProcessPendingMessages(void)
2932{
2933 MSG msg;
2934
2935 while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
2936 {
2937 TranslateMessage(&msg);
2938 DispatchMessage(&msg);
2939 }
2940}
2941
2942#endif /* FEAT_CLIENTSERVER */
2943
2944#if defined(FEAT_GUI) || (defined(FEAT_PRINTER) && !defined(FEAT_POSTSCRIPT)) \
2945 || defined(PROTO)
2946
2947struct charset_pair
2948{
2949 char *name;
2950 BYTE charset;
2951};
2952
2953static struct charset_pair
2954charset_pairs[] =
2955{
2956 {"ANSI", ANSI_CHARSET},
2957 {"CHINESEBIG5", CHINESEBIG5_CHARSET},
2958 {"DEFAULT", DEFAULT_CHARSET},
2959 {"HANGEUL", HANGEUL_CHARSET},
2960 {"OEM", OEM_CHARSET},
2961 {"SHIFTJIS", SHIFTJIS_CHARSET},
2962 {"SYMBOL", SYMBOL_CHARSET},
2963#ifdef WIN3264
2964 {"ARABIC", ARABIC_CHARSET},
2965 {"BALTIC", BALTIC_CHARSET},
2966 {"EASTEUROPE", EASTEUROPE_CHARSET},
2967 {"GB2312", GB2312_CHARSET},
2968 {"GREEK", GREEK_CHARSET},
2969 {"HEBREW", HEBREW_CHARSET},
2970 {"JOHAB", JOHAB_CHARSET},
2971 {"MAC", MAC_CHARSET},
2972 {"RUSSIAN", RUSSIAN_CHARSET},
2973 {"THAI", THAI_CHARSET},
2974 {"TURKISH", TURKISH_CHARSET},
2975# if (!defined(_MSC_VER) || (_MSC_VER > 1010)) \
2976 && (!defined(__BORLANDC__) || (__BORLANDC__ > 0x0500))
2977 {"VIETNAMESE", VIETNAMESE_CHARSET},
2978# endif
2979#endif
2980 {NULL, 0}
2981};
2982
2983/*
2984 * Convert a charset ID to a name.
2985 * Return NULL when not recognized.
2986 */
2987 char *
2988charset_id2name(int id)
2989{
2990 struct charset_pair *cp;
2991
2992 for (cp = charset_pairs; cp->name != NULL; ++cp)
2993 if ((BYTE)id == cp->charset)
2994 break;
2995 return cp->name;
2996}
2997
2998static const LOGFONT s_lfDefault =
2999{
3000 -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
3001 OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
3002 PROOF_QUALITY, FIXED_PITCH | FF_DONTCARE,
3003 "Fixedsys" /* see _ReadVimIni */
3004};
3005
3006/* Initialise the "current height" to -12 (same as s_lfDefault) just
3007 * in case the user specifies a font in "guifont" with no size before a font
3008 * with an explicit size has been set. This defaults the size to this value
3009 * (-12 equates to roughly 9pt).
3010 */
3011int current_font_height = -12; /* also used in gui_w48.c */
3012
3013/* Convert a string representing a point size into pixels. The string should
3014 * be a positive decimal number, with an optional decimal point (eg, "12", or
3015 * "10.5"). The pixel value is returned, and a pointer to the next unconverted
3016 * character is stored in *end. The flag "vertical" says whether this
3017 * calculation is for a vertical (height) size or a horizontal (width) one.
3018 */
3019 static int
3020points_to_pixels(char_u *str, char_u **end, int vertical, int pprinter_dc)
3021{
3022 int pixels;
3023 int points = 0;
3024 int divisor = 0;
3025 HWND hwnd = (HWND)0;
3026 HDC hdc;
3027 HDC printer_dc = (HDC)pprinter_dc;
3028
3029 while (*str != NUL)
3030 {
3031 if (*str == '.' && divisor == 0)
3032 {
3033 /* Start keeping a divisor, for later */
3034 divisor = 1;
3035 }
3036 else
3037 {
3038 if (!VIM_ISDIGIT(*str))
3039 break;
3040
3041 points *= 10;
3042 points += *str - '0';
3043 divisor *= 10;
3044 }
3045 ++str;
3046 }
3047
3048 if (divisor == 0)
3049 divisor = 1;
3050
3051 if (printer_dc == NULL)
3052 {
3053 hwnd = GetDesktopWindow();
3054 hdc = GetWindowDC(hwnd);
3055 }
3056 else
3057 hdc = printer_dc;
3058
3059 pixels = MulDiv(points,
3060 GetDeviceCaps(hdc, vertical ? LOGPIXELSY : LOGPIXELSX),
3061 72 * divisor);
3062
3063 if (printer_dc == NULL)
3064 ReleaseDC(hwnd, hdc);
3065
3066 *end = str;
3067 return pixels;
3068}
3069
3070 static int CALLBACK
3071font_enumproc(
3072 ENUMLOGFONT *elf,
3073 NEWTEXTMETRIC *ntm,
3074 int type,
3075 LPARAM lparam)
3076{
3077 /* Return value:
3078 * 0 = terminate now (monospace & ANSI)
3079 * 1 = continue, still no luck...
3080 * 2 = continue, but we have an acceptable LOGFONT
3081 * (monospace, not ANSI)
3082 * We use these values, as EnumFontFamilies returns 1 if the
3083 * callback function is never called. So, we check the return as
3084 * 0 = perfect, 2 = OK, 1 = no good...
3085 * It's not pretty, but it works!
3086 */
3087
3088 LOGFONT *lf = (LOGFONT *)(lparam);
3089
3090#ifndef FEAT_PROPORTIONAL_FONTS
3091 /* Ignore non-monospace fonts without further ado */
3092 if ((ntm->tmPitchAndFamily & 1) != 0)
3093 return 1;
3094#endif
3095
3096 /* Remember this LOGFONT as a "possible" */
3097 *lf = elf->elfLogFont;
3098
3099 /* Terminate the scan as soon as we find an ANSI font */
3100 if (lf->lfCharSet == ANSI_CHARSET
3101 || lf->lfCharSet == OEM_CHARSET
3102 || lf->lfCharSet == DEFAULT_CHARSET)
3103 return 0;
3104
3105 /* Continue the scan - we have a non-ANSI font */
3106 return 2;
3107}
3108
3109 static int
3110init_logfont(LOGFONT *lf)
3111{
3112 int n;
3113 HWND hwnd = GetDesktopWindow();
3114 HDC hdc = GetWindowDC(hwnd);
3115
3116 n = EnumFontFamilies(hdc,
3117 (LPCSTR)lf->lfFaceName,
3118 (FONTENUMPROC)font_enumproc,
3119 (LPARAM)lf);
3120
3121 ReleaseDC(hwnd, hdc);
3122
3123 /* If we couldn't find a useable font, return failure */
3124 if (n == 1)
3125 return FAIL;
3126
3127 /* Tidy up the rest of the LOGFONT structure. We set to a basic
3128 * font - get_logfont() sets bold, italic, etc based on the user's
3129 * input.
3130 */
3131 lf->lfHeight = current_font_height;
3132 lf->lfWidth = 0;
3133 lf->lfItalic = FALSE;
3134 lf->lfUnderline = FALSE;
3135 lf->lfStrikeOut = FALSE;
3136 lf->lfWeight = FW_NORMAL;
3137
3138 /* Return success */
3139 return OK;
3140}
3141
3142 int
3143get_logfont(
3144 LOGFONT *lf,
3145 char_u *name,
3146 HDC printer_dc)
3147{
3148 char_u *p;
3149 int i;
3150 static LOGFONT *lastlf = NULL;
3151
3152 *lf = s_lfDefault;
3153 if (name == NULL)
3154 return 1;
3155
3156 if (STRCMP(name, "*") == 0)
3157 {
3158#if defined(FEAT_GUI_W32)
3159 CHOOSEFONT cf;
3160 /* if name is "*", bring up std font dialog: */
3161 memset(&cf, 0, sizeof(cf));
3162 cf.lStructSize = sizeof(cf);
3163 cf.hwndOwner = s_hwnd;
3164 cf.Flags = CF_SCREENFONTS | CF_FIXEDPITCHONLY | CF_INITTOLOGFONTSTRUCT;
3165 if (lastlf != NULL)
3166 *lf = *lastlf;
3167 cf.lpLogFont = lf;
3168 cf.nFontType = 0 ; //REGULAR_FONTTYPE;
3169 if (ChooseFont(&cf))
3170 goto theend;
3171#else
3172 return 0;
3173#endif
3174 }
3175
3176 /*
3177 * Split name up, it could be <name>:h<height>:w<width> etc.
3178 */
3179 for (p = name; *p && *p != ':'; p++)
3180 {
3181 if (p - name + 1 > LF_FACESIZE)
3182 return 0; /* Name too long */
3183 lf->lfFaceName[p - name] = *p;
3184 }
3185 if (p != name)
3186 lf->lfFaceName[p - name] = NUL;
3187
3188 /* First set defaults */
3189 lf->lfHeight = -12;
3190 lf->lfWidth = 0;
3191 lf->lfWeight = FW_NORMAL;
3192 lf->lfItalic = FALSE;
3193 lf->lfUnderline = FALSE;
3194 lf->lfStrikeOut = FALSE;
3195
3196 /*
3197 * If the font can't be found, try replacing '_' by ' '.
3198 */
3199 if (init_logfont(lf) == FAIL)
3200 {
3201 int did_replace = FALSE;
3202
3203 for (i = 0; lf->lfFaceName[i]; ++i)
3204 if (lf->lfFaceName[i] == '_')
3205 {
3206 lf->lfFaceName[i] = ' ';
3207 did_replace = TRUE;
3208 }
3209 if (!did_replace || init_logfont(lf) == FAIL)
3210 return 0;
3211 }
3212
3213 while (*p == ':')
3214 p++;
3215
3216 /* Set the values found after ':' */
3217 while (*p)
3218 {
3219 switch (*p++)
3220 {
3221 case 'h':
3222 lf->lfHeight = - points_to_pixels(p, &p, TRUE, (int)printer_dc);
3223 break;
3224 case 'w':
3225 lf->lfWidth = points_to_pixels(p, &p, FALSE, (int)printer_dc);
3226 break;
3227 case 'b':
3228#ifndef MSWIN16_FASTTEXT
3229 lf->lfWeight = FW_BOLD;
3230#endif
3231 break;
3232 case 'i':
3233#ifndef MSWIN16_FASTTEXT
3234 lf->lfItalic = TRUE;
3235#endif
3236 break;
3237 case 'u':
3238 lf->lfUnderline = TRUE;
3239 break;
3240 case 's':
3241 lf->lfStrikeOut = TRUE;
3242 break;
3243 case 'c':
3244 {
3245 struct charset_pair *cp;
3246
3247 for (cp = charset_pairs; cp->name != NULL; ++cp)
3248 if (STRNCMP(p, cp->name, strlen(cp->name)) == 0)
3249 {
3250 lf->lfCharSet = cp->charset;
3251 p += strlen(cp->name);
3252 break;
3253 }
3254 if (cp->name == NULL)
3255 {
3256 sprintf((char *)IObuff, _("E244: Illegal charset name \"%s\" in font name \"%s\""), p, name);
3257 EMSG(IObuff);
3258 break;
3259 }
3260 break;
3261 }
3262 default:
3263 sprintf((char *)IObuff,
3264 _("E245: Illegal char '%c' in font name \"%s\""),
3265 p[-1], name);
3266 EMSG(IObuff);
3267 break;
3268 }
3269 while (*p == ':')
3270 p++;
3271 }
3272
3273#if defined(FEAT_GUI_W32)
3274theend:
3275#endif
3276 /* ron: init lastlf */
3277 if (printer_dc == NULL)
3278 {
3279 vim_free(lastlf);
3280 lastlf = (LOGFONT *)alloc(sizeof(LOGFONT));
3281 if (lastlf != NULL)
3282 mch_memmove(lastlf, lf, sizeof(LOGFONT));
3283 }
3284
3285 return 1;
3286}
3287
3288#endif /* defined(FEAT_GUI) || defined(FEAT_PRINTER) */