/****************************************************************** Copyright 1992 by Fuji Xerox Co., Ltd. Copyright 1992, 1994 by FUJITSU LIMITED Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Fuji Xerox, FUJITSU LIMITED not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Fuji Xerox, FUJITSU LIMITED make no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. FUJI XEROX, FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL FUJI XEROX, FUJITSU LIMITED BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. Author: Kazunori Nishihara Fuji Xerox Takashi Fujiwara FUJITSU LIMITED fujiwara@a80.tech.yk.fujitsu.co.jp ******************************************************************/ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <stdio.h> #include <X11/Xatom.h> #include <X11/Xos.h> #include <X11/Xlib.h> #include <X11/keysym.h> #include <X11/Xutil.h> #include "Xlibint.h" #include "Xlcint.h" #include "XlcPubI.h" #include "Ximint.h" Public int _XimLocalMbLookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes, KeySym *keysym, Status *status) { Xic ic = (Xic)xic; int ret; DefTree *b = ic->private.local.base.tree; char *mb = ic->private.local.base.mb; if(ev->type != KeyPress) { if(status) *status = XLookupNone; return(0); } if(ev->keycode == 0 && ( (ic->private.local.composed != 0) ||(ic->private.local.brl_committed != 0))) { if (ic->private.local.brl_committed != 0) { /* Braille Event */ unsigned char pattern = ic->private.local.brl_committed; char *mb=alloca(XLC_PUBLIC(ic->core.im->core.lcd, mb_cur_max)); ret = _Xlcwctomb(ic->core.im->core.lcd, mb, BRL_UC_ROW | pattern); if(ret > bytes) { if(status) *status = XBufferOverflow; return(ret); } if(keysym) *keysym = XK_braille_blank | pattern; if(ret > 0) { if (keysym) { if(status) *status = XLookupBoth; } else { if(status) *status = XLookupChars; } memcpy(buffer, mb, ret); } else { if(keysym) { if(status) *status = XLookupKeySym; } else { if(status) *status = XLookupNone; } } } else { /* Composed Event */ ret = strlen(&mb[b[ic->private.local.composed].mb]); if(ret > bytes) { if(status) *status = XBufferOverflow; return(ret); } memcpy(buffer, &mb[b[ic->private.local.composed].mb], ret); if(keysym) *keysym = b[ic->private.local.composed].ks; if (ret > 0) { if (keysym && *keysym != NoSymbol) { if(status) *status = XLookupBoth; } else { if(status) *status = XLookupChars; } } else { if(keysym && *keysym != NoSymbol) { if(status) *status = XLookupKeySym; } else { if(status) *status = XLookupNone; } } } return (ret); } else { /* Throughed Event */ ret = _XimLookupMBText(ic, ev, buffer, bytes, keysym, NULL); if(ret > 0) { if (ret > bytes) { if (status) *status = XBufferOverflow; } else if (keysym && *keysym != NoSymbol) { if(status) *status = XLookupBoth; } else { if(status) *status = XLookupChars; } } else { if(keysym && *keysym != NoSymbol) { if(status) *status = XLookupKeySym; } else { if(status) *status = XLookupNone; } } } return (ret); } Public int _XimLocalWcLookupString(XIC xic, XKeyEvent *ev, wchar_t *buffer, int wlen, KeySym *keysym, Status *status) { Xic ic = (Xic)xic; int ret; DefTree *b = ic->private.local.base.tree; wchar_t *wc = ic->private.local.base.wc; if(ev->type != KeyPress) { if(status) *status = XLookupNone; return(0); } if(ev->keycode == 0) { if (ic->private.local.brl_committed != 0) { /* Braille Event */ unsigned char pattern = ic->private.local.brl_committed; ret = 1; if (ret > wlen) { if(status) *status = XBufferOverflow; return (ret); } *buffer = BRL_UC_ROW | pattern; if(keysym) { *keysym = XK_braille_blank | pattern; if(status) *status = XLookupBoth; } else if(status) *status = XLookupChars; } else { /* Composed Event */ ret = _Xwcslen(&wc[b[ic->private.local.composed].wc]); if(ret > wlen) { if(status) *status = XBufferOverflow; return (ret); } memcpy((char *)buffer, (char *)&wc[b[ic->private.local.composed].wc], ret * sizeof(wchar_t)); if(keysym) *keysym = b[ic->private.local.composed].ks; if (ret > 0) { if (keysym && *keysym != NoSymbol) { if(status) *status = XLookupBoth; } else { if(status) *status = XLookupChars; } } else { if(keysym && *keysym != NoSymbol) { if(status) *status = XLookupKeySym; } else { if(status) *status = XLookupNone; } } } return (ret); } else { /* Throughed Event */ ret = _XimLookupWCText(ic, ev, buffer, wlen, keysym, NULL); if(ret > 0) { if (ret > wlen) { if (status) *status = XBufferOverflow; } else if (keysym && *keysym != NoSymbol) { if(status) *status = XLookupBoth; } else { if(status) *status = XLookupChars; } } else { if(keysym && *keysym != NoSymbol) { if(status) *status = XLookupKeySym; } else { if(status) *status = XLookupNone; } } } return (ret); } Public int _XimLocalUtf8LookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes, KeySym *keysym, Status *status) { Xic ic = (Xic)xic; int ret; DefTree *b = ic->private.local.base.tree; char *utf8 = ic->private.local.base.utf8; if(ev->type != KeyPress) { if(status) *status = XLookupNone; return(0); } if(ev->keycode == 0) { if (ic->private.local.brl_committed != 0) { /* Braille Event */ unsigned char pattern = ic->private.local.brl_committed; ret = 3; if (ret > bytes) { if(status) *status = XBufferOverflow; return (ret); } buffer[0] = 0xe0 | ((BRL_UC_ROW >> 12) & 0x0f); buffer[1] = 0x80 | ((BRL_UC_ROW >> 8) & 0x30) | (pattern >> 6); buffer[2] = 0x80 | (pattern & 0x3f); if(keysym) { *keysym = XK_braille_blank | pattern; if(status) *status = XLookupBoth; } else if(status) *status = XLookupChars; } else { /* Composed Event */ ret = strlen(&utf8[b[ic->private.local.composed].utf8]); if(ret > bytes) { if(status) *status = XBufferOverflow; return (ret); } memcpy(buffer, &utf8[b[ic->private.local.composed].utf8], ret); if(keysym) *keysym = b[ic->private.local.composed].ks; if (ret > 0) { if (keysym && *keysym != NoSymbol) { if(status) *status = XLookupBoth; } else { if(status) *status = XLookupChars; } } else { if(keysym && *keysym != NoSymbol) { if(status) *status = XLookupKeySym; } else { if(status) *status = XLookupNone; } } } return (ret); } else { /* Throughed Event */ ret = _XimLookupUTF8Text(ic, ev, buffer, bytes, keysym, NULL); if(ret > 0) { if (ret > bytes) { if (status) *status = XBufferOverflow; } else if (keysym && *keysym != NoSymbol) { if(status) *status = XLookupBoth; } else { if(status) *status = XLookupChars; } } else { if(keysym && *keysym != NoSymbol) { if(status) *status = XLookupKeySym; } else { if(status) *status = XLookupNone; } } } return (ret); } Private int _XimLcctsconvert( XlcConv conv, char *from, int from_len, char *to, int to_len, Status *state) { int from_left; int to_left; int from_savelen; int to_savelen; int from_cnvlen; int to_cnvlen; char *from_buf; char *to_buf; char scratchbuf[BUFSIZ]; Status tmp_state; if (!state) state = &tmp_state; if (!conv || !from || !from_len) { *state = XLookupNone; return 0; } /* Reset the converter. The CompoundText at 'from' starts in initial state. */ _XlcResetConverter(conv); from_left = from_len; to_left = BUFSIZ; from_cnvlen = 0; to_cnvlen = 0; for (;;) { from_buf = &from[from_cnvlen]; from_savelen = from_left; to_buf = &scratchbuf[to_cnvlen]; to_savelen = to_left; if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left, (XPointer *)&to_buf, &to_left, NULL, 0) < 0) { *state = XLookupNone; return 0; } from_cnvlen += (from_savelen - from_left); to_cnvlen += (to_savelen - to_left); if (from_left == 0) { if (!to_cnvlen) { *state = XLookupNone; return 0; } break; } } if (!to || !to_len || (to_len < to_cnvlen)) { *state = XBufferOverflow; } else { memcpy(to, scratchbuf, to_cnvlen); *state = XLookupChars; } return to_cnvlen; } Public int _XimLcctstombs(XIM xim, char *from, int from_len, char *to, int to_len, Status *state) { return _XimLcctsconvert(((Xim)xim)->private.local.ctom_conv, from, from_len, to, to_len, state); } Public int _XimLcctstowcs(XIM xim, char *from, int from_len, wchar_t *to, int to_len, Status *state) { Xim im = (Xim)xim; XlcConv conv = im->private.local.ctow_conv; int from_left; int to_left; int from_savelen; int to_savelen; int from_cnvlen; int to_cnvlen; char *from_buf; wchar_t *to_buf; wchar_t scratchbuf[BUFSIZ]; Status tmp_state; if (!state) state = &tmp_state; if (!conv || !from || !from_len) { *state = XLookupNone; return 0; } /* Reset the converter. The CompoundText at 'from' starts in initial state. */ _XlcResetConverter(conv); from_left = from_len; to_left = BUFSIZ; from_cnvlen = 0; to_cnvlen = 0; for (;;) { from_buf = &from[from_cnvlen]; from_savelen = from_left; to_buf = &scratchbuf[to_cnvlen]; to_savelen = to_left; if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left, (XPointer *)&to_buf, &to_left, NULL, 0) < 0) { *state = XLookupNone; return 0; } from_cnvlen += (from_savelen - from_left); to_cnvlen += (to_savelen - to_left); if (from_left == 0) { if (!to_cnvlen){ *state = XLookupNone; return 0; } break; } } if (!to || !to_len || (to_len < to_cnvlen)) { *state = XBufferOverflow; } else { memcpy(to, scratchbuf, to_cnvlen * sizeof(wchar_t)); *state = XLookupChars; } return to_cnvlen; } Public int _XimLcctstoutf8(XIM xim, char *from, int from_len, char *to, int to_len, Status *state) { return _XimLcctsconvert(((Xim)xim)->private.local.ctoutf8_conv, from, from_len, to, to_len, state); }