/****************************************************************************
- * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc. *
+ * Copyright 2019,2020 Thomas E. Dickey *
+ * Copyright 1998-2011,2012 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 *
****************************************************************************/
/****************************************************************************
- * 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 *
****************************************************************************/
/*
#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 1.26 2020/02/02 23:34:34 tom Exp $")
NCURSES_EXPORT(int)
-slk_set(int i, const char *astr, int format)
+NCURSES_SP_NAME(slk_set) (NCURSES_SP_DCLx int i, const char *astr, int format)
{
- SLK *slk = SP->_slk;
- size_t len;
+ SLK *slk;
+ int offset = 0;
+ int numchrs;
+ int numcols;
+ int limit;
const char *str = astr;
const char *p;
- T((T_CALLED("slk_set(%d, \"%s\", %d)"), i, str, format));
+ T((T_CALLED("slk_set(%p, %d, \"%s\", %d)"), (void *) SP_PARM, i, str, format));
- if (slk == NULL || i < 1 || i > slk->labcnt || format < 0 || format > 2)
+ if (SP_PARM == 0
+ || (slk = SP_PARM->_slk) == 0
+ || i < 1
+ || i > slk->labcnt
+ || format < 0
+ || format > 2)
returnCode(ERR);
- if (str == NULL)
+ if (str == 0)
str = "";
+ --i; /* Adjust numbering of labels */
+ limit = MAX_SKEY_LEN(SP_PARM->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 (_nc_wacs_width(wc) + numcols > limit)
+ break;
+ numcols += _nc_wacs_width(wc);
+ p += need;
+ }
+ numchrs = (int) (p - str);
+#else
while (isprint(UChar(*p)))
p++; /* The first non-print stops */
- --i; /* Adjust numbering of labels */
+ numcols = (int) (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,
+ (size_t) (limit +
+ numchrs + 1))
+ ) == 0)
+ returnCode(ERR);
switch (format) {
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, ' ', (size_t) offset);
+
+ memcpy(slk->ent[i].form_text + offset,
+ slk->ent[i].ent_text,
+ (size_t) numchrs);
+
+ if (offset < limit) {
+ memset(slk->ent[i].form_text + offset + numchrs,
+ ' ',
+ (size_t) (limit - (offset + numcols)));
+ }
+
+ slk->ent[i].form_text[numchrs - numcols + limit] = 0;
slk->ent[i].dirty = TRUE;
returnCode(OK);
}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+slk_set(int i, const char *astr, int format)
+{
+ return NCURSES_SP_NAME(slk_set) (CURRENT_SCREEN, i, astr, format);
+}
+#endif