diff options
Diffstat (limited to 'Src/Modules/curses.c')
| -rw-r--r-- | Src/Modules/curses.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/Src/Modules/curses.c b/Src/Modules/curses.c index 12a2c3d80..ff6aff12c 100644 --- a/Src/Modules/curses.c +++ b/Src/Modules/curses.c @@ -41,9 +41,11 @@ #endif #ifndef MULTIBYTE_SUPPORT +# undef HAVE_GETCCHAR # undef HAVE_SETCCHAR # undef HAVE_WADDWSTR # undef HAVE_WGET_WCH +# undef HAVE_WIN_WCH #endif #ifdef HAVE_SETCCHAR @@ -379,6 +381,25 @@ zcurses_colorget(const char *nam, char *colorpair) return cpn; } +static Colorpairnode cpn_match; + +static void +zcurses_colornode(HashNode hn, int cp) +{ + Colorpairnode cpn = (Colorpairnode)hn; + if (cpn->colorpair == (short)cp) + cpn_match = cpn; +} + +static Colorpairnode +zcurses_colorget_reverse(short cp) +{ + cpn_match = NULL; + scanhashtable(zcurses_colorpairs, 0, 0, 0, + zcurses_colornode, cp); + return cpn_match; +} + static void freecolorpairnode(HashNode hn) { @@ -1302,6 +1323,100 @@ zccmd_position(const char *nam, char **args) static int +zccmd_querychar(const char *nam, char **args) +{ + LinkNode node; + ZCWin w; + short cp; + Colorpairnode cpn; + const struct zcurses_namenumberpair *zattrp; + LinkList clist; +#if defined(HAVE_WIN_WCH) && defined(HAVE_GETCCHAR) + wchar_t c; + cchar_t cc; + attr_t attrs; + int count; + VARARR(char, instr, 2*MB_CUR_MAX+1); +#else + chtype inc; + char instr[3]; +#endif + + node = zcurses_validate_window(args[0], ZCURSES_USED); + if (node == NULL) { + zwarnnam(nam, "%s: %s", zcurses_strerror(zc_errno), args[0]); + return 1; + } + + w = (ZCWin)getdata(node); + +#if defined(HAVE_WIN_WCH) && defined(HAVE_GETCCHAR) + if (win_wch(w->win, &cc) == ERR) + return 1; + + if (getcchar(&cc, &c, &attrs, &cp, NULL) == ERR) + return 1; + /* Hmmm... I always get 0 for cp, whereas the following works... */ + cp = PAIR_NUMBER(winch(w->win)); + + count = wctomb(instr, c); + if (count == -1) + return 1; + (void)metafy(instr, count, META_NOALLOC); +#else + inc = winch(w->win); + /* I think the following is correct, the manual is a little terse */ + cp = PAIR_NUMBER(inc); + inc &= A_CHARTEXT; + if (imeta(inc)) { + instr[0] = Meta; + instr[1] = STOUC(inc ^ 32); + instr[2] = '\0'; + } else { + instr[0] = STOUC(inc); + instr[1] = '\0'; + } + /* + * I'm guessing this is OK... header says attr_t must be at + * least as wide as chtype. + */ + attrs = (attr_t)inc; +#endif + + /* + * Attribute numbers vary, so make a linked list. + * This also saves us from doing the permanent allocation till + * the end. + */ + clist = newlinklist(); + /* First the (possibly multibyte) character itself. */ + addlinknode(clist, instr); + /* + * Next the colo[u]r. + * We should be able to match it in the colorpair list, but + * if some reason we can't, fail safe and output the number. + */ + cpn = zcurses_colorget_reverse(cp); + if (cpn) { + addlinknode(clist, cpn->node.nam); + } else { + /* report color pair number */ + char digits[DIGBUFSIZE]; + sprintf(digits, "%d", (int)cp); + addlinknode(clist, digits); + } + /* Now see what attributes are present. */ + for (zattrp = zcurses_attributes; zattrp->name; zattrp++) { + if (attrs & zattrp->number) + addlinknode(clist, zattrp->name); + } + + /* Turn this into an array and store it. */ + return !setaparam(args[1] ? args[1] : "reply", zlinklist2array(clist)); +} + + +static int zccmd_touch(const char *nam, char **args) { LinkNode node; @@ -1354,6 +1469,7 @@ bin_zcurses(char *nam, char **args, Options ops, UNUSED(int func)) {"input", zccmd_input, 1, 4}, {"timeout", zccmd_timeout, 2, 2}, {"mouse", zccmd_mouse, 0, -1}, + {"querychar", zccmd_querychar, 1, 2}, {"touch", zccmd_touch, 1, -1}, {NULL, (zccmd_t)0, 0, 0} }; |