/* $Xorg: XKBCvt.c,v 1.5 2001/02/09 02:03:38 xorgcvs Exp $ */ /* Copyright 1988, 1989, 1998 The Open Group 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. 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 OPEN GROUP 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 of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. */ /* $XFree86: xc/lib/X11/XKBCvt.c,v 3.33 2002/05/31 18:45:41 dawes Exp $ */ #include #include #include #include #include #define NEED_EVENTS #include "Xlibint.h" #include "Xlcint.h" #include "XlcPubI.h" #include "Ximint.h" #include #include #define XK_LATIN1 #define XK_PUBLISHING #include #include #include "XKBlibint.h" #include #include #include #ifdef __sgi_not_xconsortium #define XKB_EXTEND_LOOKUP_STRING #endif static int _XkbHandleSpecialSym(KeySym keysym, char *buffer, int nbytes, int *extra_rtrn) { /* try to convert to Latin-1, handling ctrl */ if (!(((keysym >= XK_BackSpace) && (keysym <= XK_Clear)) || (keysym == XK_Return) || (keysym == XK_Escape) || (keysym == XK_KP_Space) || (keysym == XK_KP_Tab) || (keysym == XK_KP_Enter) || ((keysym >= XK_KP_Multiply) && (keysym <= XK_KP_9)) || (keysym == XK_KP_Equal) || (keysym == XK_Delete))) return 0; if (nbytes<1) { if (extra_rtrn) *extra_rtrn= 1; return 0; } /* if X keysym, convert to ascii by grabbing low 7 bits */ if (keysym == XK_KP_Space) buffer[0] = XK_space & 0x7F; /* patch encoding botch */ else if (keysym == XK_hyphen) buffer[0] = (char)(XK_minus & 0xFF); /* map to equiv character */ else buffer[0] = (char)(keysym & 0x7F); return 1; } /*ARGSUSED*/ static int _XkbKSToKnownSet ( XPointer priv, KeySym keysym, char * buffer, int nbytes, int * extra_rtrn) { char tbuf[8],*buf; if (extra_rtrn) *extra_rtrn= 0; /* convert "dead" diacriticals for dumb applications */ if ( (keysym&0xffffff00)== 0xfe00 ) { switch ( keysym ) { case XK_dead_grave: keysym = XK_grave; break; case XK_dead_acute: keysym = XK_acute; break; case XK_dead_circumflex: keysym = XK_asciicircum; break; case XK_dead_tilde: keysym = XK_asciitilde; break; case XK_dead_macron: keysym = XK_macron; break; case XK_dead_breve: keysym = XK_breve; break; case XK_dead_abovedot: keysym = XK_abovedot; break; case XK_dead_diaeresis: keysym = XK_diaeresis; break; case XK_dead_abovering: keysym = XK_degree; break; case XK_dead_doubleacute: keysym = XK_doubleacute; break; case XK_dead_caron: keysym = XK_caron; break; case XK_dead_cedilla: keysym = XK_cedilla; break; case XK_dead_ogonek : keysym = XK_ogonek; break; case XK_dead_iota: keysym = XK_Greek_iota; break; #ifdef XK_KATAKANA case XK_dead_voiced_sound: keysym = XK_voicedsound; break; case XK_dead_semivoiced_sound:keysym = XK_semivoicedsound; break; #endif } } if (nbytes<1) buf= tbuf; else buf= buffer; if ((keysym&0xffffff00)==0xff00) { return _XkbHandleSpecialSym(keysym, buf, nbytes, extra_rtrn); } return _XimGetCharCode (priv, keysym, (unsigned char *)buf, nbytes); } typedef struct _XkbToKS { unsigned prefix; char *map; } XkbToKS; /*ARGSUSED*/ static KeySym _XkbKnownSetToKS(XPointer priv,char *buffer,int nbytes,Status *status) { if (nbytes!=1) return NoSymbol; if (((buffer[0]&0x80)==0)&&(buffer[0]>=32)) return buffer[0]; else if ((buffer[0]&0x7f)>=32) { XkbToKS *map= (XkbToKS *)priv; if ( map ) { if ( map->map ) return map->prefix|map->map[buffer[0]&0x7f]; else return map->prefix|buffer[0]; } return buffer[0]; } return NoSymbol; } static KeySym __XkbDefaultToUpper(KeySym sym) { KeySym lower,upper; XConvertCase(sym, &lower, &upper); return upper; } #ifdef XKB_EXTEND_LOOKUP_STRING static int Strcmp(char *str1, char *str2) { char str[256]; char c, *s; /* * unchecked strings from the environment can end up here, so check * the length before copying. */ if (strlen(str1) >= sizeof(str)) /* almost certain it's a mismatch */ return 1; for (s = str; (c = *str1++); ) { if (isupper(c)) c = tolower(c); *s++ = c; } *s = '\0'; return (strcmp(str, str2)); } #endif int _XkbGetConverters(char *encoding_name, XkbConverters *cvt_rtrn) { if ( !cvt_rtrn ) return 0; cvt_rtrn->KSToMB = _XkbKSToKnownSet; cvt_rtrn->KSToMBPriv = _XimGetLocaleCode(encoding_name); cvt_rtrn->MBToKS = _XkbKnownSetToKS; cvt_rtrn->MBToKSPriv = NULL; cvt_rtrn->KSToUpper = __XkbDefaultToUpper; return 1; } /***====================================================================***/ /* * The function _XkbGetCharset seems to be missnamed as what it seems to * be used for is to determine the encoding-name for the locale. ??? */ #ifdef XKB_EXTEND_LOOKUP_STRING /* * XKB_EXTEND_LOOKUP_STRING is not used by the SI. It is used by various * X Consortium/X Project Team members, so we leave it in the source as * an simplify integration by these companies. */ #ifndef CHARSET_FILE #define CHARSET_FILE "/usr/lib/X11/input/charsets" #endif static char *_XkbKnownLanguages = "c=ascii:da,de,en,es,fr,is,it,nl,no,pt,sv=iso8859-1:hu,pl,cs=iso8859-2:eo=iso8859-3:sp=iso8859-5:ar,ara=iso8859-6:el=iso8859-7:he=iso8859-8:tr=iso8859-9:lt,lv=iso8859-13:et,fi=iso8859-15:ru=koi8-r:uk=koi8-u:th,th_TH,th_TH.iso8859-11=iso8859-11:th_TH.TIS620=tis620:hy=armscii-8:vi=tcvn-5712:ka=georgian-academy:be,bg=microsoft-cp1251"; char * _XkbGetCharset() { /* * PAGE USAGE TUNING: explicitly initialize to move these to data * instead of bss */ static char buf[100] = { 0 }; char lang[256]; char *start,*tmp,*end,*next,*set; char *country,*charset; char *locale; tmp = getenv( "_XKB_CHARSET" ); if ( tmp ) return tmp; locale = setlocale(LC_CTYPE,NULL); if ( locale == NULL ) return NULL; if (strlen(locale) >= sizeof(lang)) return NULL; for (tmp = lang; *tmp = *locale++; tmp++) { if (isupper(*tmp)) *tmp = tolower(*tmp); } country = strchr( lang, '_'); if ( country ) { *country++ = '\0'; charset = strchr( country, '.' ); if ( charset ) *charset++ = '\0'; if ( charset ) { strncpy(buf,charset,99); buf[99] = '\0'; return buf; } } else { charset = NULL; } if ((tmp = getenv("_XKB_LOCALE_CHARSETS"))!=NULL) { start = _XkbAlloc(strlen(tmp) + 1); strcpy(start, tmp); tmp = start; } else { struct stat sbuf; FILE *file; #ifndef __UNIXOS2__ char *cf = CHARSET_FILE; #else char *cf = __XOS2RedirRoot(CHARSET_FILE); #endif if ( (stat(cf,&sbuf)==0) && (sbuf.st_mode&S_IFREG) && (file = fopen(cf,"r")) ) { tmp = _XkbAlloc(sbuf.st_size+1); if (tmp!=NULL) { sbuf.st_size = (long)fread(tmp,1,sbuf.st_size,file); tmp[sbuf.st_size] = '\0'; } fclose(file); } } if ( tmp == NULL ) { tmp = _XkbAlloc(strlen(_XkbKnownLanguages) + 1); if (!tmp) return NULL; strcpy(tmp, _XkbKnownLanguages); } start = tmp; do { if ( (set=strchr(tmp,'=')) == NULL ) break; *set++ = '\0'; if ( (next=strchr(set,':')) != NULL ) *next++ = '\0'; while ( tmp && *tmp ) { if ( (end=strchr(tmp,',')) != NULL ) *end++ = '\0'; if ( Strcmp( tmp, lang ) == 0 ) { strncpy(buf,set,100); buf[99] = '\0'; Xfree(start); return buf; } tmp = end; } tmp = next; } while ( tmp && *tmp ); Xfree(start); return NULL; } #else char * _XkbGetCharset() { char *tmp; XLCd lcd; tmp = getenv( "_XKB_CHARSET" ); if ( tmp ) return tmp; lcd = _XlcCurrentLC(); if ( lcd ) return XLC_PUBLIC(lcd,encoding_name); return NULL; } #endif