diff options
Diffstat (limited to 'libX11/src/xkb/XKBCvt.c')
| -rw-r--r-- | libX11/src/xkb/XKBCvt.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/libX11/src/xkb/XKBCvt.c b/libX11/src/xkb/XKBCvt.c new file mode 100644 index 000000000..056f39f40 --- /dev/null +++ b/libX11/src/xkb/XKBCvt.c @@ -0,0 +1,340 @@ +/* $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 3.34 2002/10/08 23:31:35 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include <X11/X.h> +#include <X11/Xlib.h> +#define NEED_EVENTS +#include "Xlibint.h" +#include "Xlcint.h" +#include "XlcPubI.h" +#include "Ximint.h" +#include <X11/Xutil.h> +#include <X11/Xmd.h> +#define XK_LATIN1 +#define XK_PUBLISHING +#include <X11/keysym.h> +#include <X11/extensions/XKBproto.h> +#include "XKBlibint.h" +#include <X11/Xlocale.h> +#include <ctype.h> +#include <X11/Xos.h> + +#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(const 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. + */ + +#define CHARSET_FILE "/usr/lib/X11/input/charsets" +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(void) +{ + /* + * 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 + +#ifndef S_ISREG +# define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG) +#endif + + if ( (stat(cf,&sbuf)==0) && S_ISREG(sbuf.st_mode) && + (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(void) +{ + 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 + |