diff options
Diffstat (limited to 'ncurses-5.9/ncurses/base/lib_slkset.c')
| -rw-r--r-- | ncurses-5.9/ncurses/base/lib_slkset.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/base/lib_slkset.c b/ncurses-5.9/ncurses/base/lib_slkset.c new file mode 100644 index 0000000..608a384 --- /dev/null +++ b/ncurses-5.9/ncurses/base/lib_slkset.c @@ -0,0 +1,157 @@ +/**************************************************************************** + * Copyright (c) 1998-2009,2010 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 * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Juergen Pfeifer * + * and: Thomas E. Dickey * + ****************************************************************************/ + +/* + * lib_slkset.c + * Set soft label text. + */ +#include <curses.priv.h> +#include <ctype.h> + +#if USE_WIDEC_SUPPORT +#if HAVE_WCTYPE_H +#include <wctype.h> +#endif +#endif + +MODULE_ID("$Id$") + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(slk_set) (NCURSES_SP_DCLx int i, const char *astr, int format) +{ + SLK *slk; + int offset; + int numchrs; + int numcols; + int limit; + const char *str = astr; + const char *p; + + T((T_CALLED("slk_set(%p, %d, \"%s\", %d)"), (void *) SP_PARM, i, str, format)); + + if (SP_PARM == 0 + || (slk = SP_PARM->_slk) == 0 + || i < 1 + || i > slk->labcnt + || format < 0 + || format > 2) + returnCode(ERR); + 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 (wcwidth(wc) + numcols > limit) + break; + numcols += wcwidth(wc); + p += need; + } + numchrs = (int) (p - str); +#else + while (isprint(UChar(*p))) + p++; /* The first non-print stops */ + + numcols = (int) (p - str); + if (numcols > limit) + numcols = limit; + numchrs = numcols; +#endif + + 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 */ + offset = 0; + break; + case 1: /* centered */ + offset = (limit - numcols) / 2; + break; + case 2: /* right-justified */ + offset = limit - numcols; + break; + } + 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); +} + +#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 |