diff options
Diffstat (limited to 'contrib/ncurses/ncurses/base/lib_slkset.c')
| -rw-r--r-- | contrib/ncurses/ncurses/base/lib_slkset.c | 99 |
1 files changed, 73 insertions, 26 deletions
diff --git a/contrib/ncurses/ncurses/base/lib_slkset.c b/contrib/ncurses/ncurses/base/lib_slkset.c index d15002f17dba..9379b36322e2 100644 --- a/contrib/ncurses/ncurses/base/lib_slkset.c +++ b/contrib/ncurses/ncurses/base/lib_slkset.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc. * + * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -27,8 +27,8 @@ ****************************************************************************/ /**************************************************************************** - * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * - * and: Eric S. Raymond <esr@snark.thyrsus.com> * + * Author: Juergen Pfeifer * + * and: Thomas E. Dickey * ****************************************************************************/ /* @@ -38,13 +38,22 @@ #include <curses.priv.h> #include <ctype.h> -MODULE_ID("$Id: lib_slkset.c,v 1.7 2001/06/02 22:50:29 skimo Exp $") +#if USE_WIDEC_SUPPORT +#if HAVE_WCTYPE_H +#include <wctype.h> +#endif +#endif + +MODULE_ID("$Id: lib_slkset.c,v 1.16 2006/12/17 19:47:09 tom Exp $") NCURSES_EXPORT(int) slk_set(int i, const char *astr, int format) { SLK *slk = SP->_slk; - size_t len; + int offset; + int numchrs; + int numcols; + int limit; const char *str = astr; const char *p; @@ -54,44 +63,82 @@ slk_set(int i, const char *astr, int format) returnCode(ERR); if (str == NULL) str = ""; + --i; /* Adjust numbering of labels */ + limit = MAX_SKEY_LEN(SP->slk_format); while (isspace(UChar(*str))) str++; /* skip over leading spaces */ p = str; + +#if USE_WIDEC_SUPPORT + numcols = 0; + while (*p != 0) { + mbstate_t state; + wchar_t wc; + size_t need; + + init_mb(state); + need = mbrtowc(0, p, strlen(p), &state); + if (need == (size_t) -1) + break; + mbrtowc(&wc, p, need, &state); + if (!iswprint((wint_t) wc)) + break; + if (wcwidth(wc) + numcols > limit) + break; + numcols += wcwidth(wc); + p += need; + } + numchrs = (p - str); +#else while (isprint(UChar(*p))) p++; /* The first non-print stops */ - --i; /* Adjust numbering of labels */ + numcols = (p - str); + if (numcols > limit) + numcols = limit; + numchrs = numcols; +#endif - len = (size_t) (p - str); - if (len > (unsigned) slk->maxlen) - len = slk->maxlen; - if (len == 0) - slk->ent[i].text[0] = 0; - else - (void) strncpy(slk->ent[i].text, str, len); - memset(slk->ent[i].form_text, ' ', (unsigned) slk->maxlen); - slk->ent[i].text[slk->maxlen] = 0; - /* len = strlen(slk->ent[i].text); */ + FreeIfNeeded(slk->ent[i].ent_text); + if ((slk->ent[i].ent_text = strdup(str)) == 0) + returnCode(ERR); + slk->ent[i].ent_text[numchrs] = '\0'; + + if ((slk->ent[i].form_text = (char *) _nc_doalloc(slk->ent[i].form_text, + (unsigned) (limit + + numchrs + 1)) + ) == 0) + returnCode(ERR); switch (format) { + default: case 0: /* left-justified */ - memcpy(slk->ent[i].form_text, - slk->ent[i].text, - len); + offset = 0; break; case 1: /* centered */ - memcpy(slk->ent[i].form_text + (slk->maxlen - len) / 2, - slk->ent[i].text, - len); + offset = (limit - numcols) / 2; break; case 2: /* right-justified */ - memcpy(slk->ent[i].form_text + slk->maxlen - len, - slk->ent[i].text, - len); + offset = limit - numcols; break; } - slk->ent[i].form_text[slk->maxlen] = 0; + if (offset <= 0) + offset = 0; + else + memset(slk->ent[i].form_text, ' ', (unsigned) offset); + + memcpy(slk->ent[i].form_text + offset, + slk->ent[i].ent_text, + (unsigned) numchrs); + + if (offset < limit) { + memset(slk->ent[i].form_text + offset + numchrs, + ' ', + (unsigned) (limit - (offset + numcols))); + } + + slk->ent[i].form_text[numchrs - numcols + limit] = 0; slk->ent[i].dirty = TRUE; returnCode(OK); } |