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Comparing rxvt-unicode/src/command.C (file contents):
Revision 1.19 by pcg, Thu Dec 18 05:45:11 2003 UTC vs.
Revision 1.20 by pcg, Thu Dec 18 07:31:18 2003 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: command.c 2 * File: command.c
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: command.C,v 1.19 2003/12/18 05:45:11 pcg Exp $ 4 * $Id: command.C,v 1.20 2003/12/18 07:31:18 pcg Exp $
5 * 5 *
6 * All portions of code are copyright by their respective author/s. 6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 8 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
… …
48#include "../config.h" /* NECESSARY */ 48#include "../config.h" /* NECESSARY */
49#include "rxvt.h" /* NECESSARY */ 49#include "rxvt.h" /* NECESSARY */
50#include "version.h" 50#include "version.h"
51#include "command.h" 51#include "command.h"
52 52
53#include <wchar.h>
54
53/*----------------------------------------------------------------------*/ 55/*----------------------------------------------------------------------*/
54 56
55/*{{{ Convert the keypress event into a string */ 57/*{{{ Convert the keypress event into a string */
56/* INTPROTO */ 58/* INTPROTO */
57void 59void
… …
88 if (R->Input_Context) 90 if (R->Input_Context)
89 { 91 {
90 Status status_return; 92 Status status_return;
91 93
92#ifdef X_HAVE_UTF8_STRING 94#ifdef X_HAVE_UTF8_STRING
95 if (R->enc_utf8)
93 len = Xutf8LookupString (R->Input_Context, ev, (char *)kbuf, 96 len = Xutf8LookupString (R->Input_Context, ev, (char *)kbuf,
94 KBUFSZ, &keysym, &status_return); 97 KBUFSZ, &keysym, &status_return);
95#else 98 else
96 wchar_t wkbuf[KBUFSZ + 1]; 99#endif
97
98 // assume wchar_t == unicode or better
99 len = XwcLookupString (R->Input_Context, ev, wkbuf,
100 KBUFSZ, &keysym, &status_return);
101
102 if (status_return == XLookupChars
103 || status_return == XLookupBoth)
104 { 100 {
101 wchar_t wkbuf[KBUFSZ + 1];
102
103 // the XOpenIM manpage lies about hardcoding the locale
104 // at the point of XOpenIM, so temporarily switch locales
105 if (R->rs[Rs_imLocale])
106 SET_LOCALE (R->rs[Rs_imLocale]);
107 // assume wchar_t == unicode or better
108 len = XwcLookupString (R->Input_Context, ev, wkbuf,
109 KBUFSZ, &keysym, &status_return);
110 if (R->rs[Rs_imLocale])
111 SET_LOCALE (R->locale);
112
113 if (status_return == XLookupChars
114 || status_return == XLookupBoth)
115 {
105 wkbuf[len] = 0; 116 wkbuf[len] = 0;
106 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ); 117 len = wcstombs ((char *)kbuf, wkbuf, KBUFSZ);
118 if (len < 0)
119 len = 0;
120 }
121 else
122 len = 0;
107 } 123 }
108 else 124
109 len = 0;
110#endif
111 valid_keysym = status_return == XLookupKeySym 125 valid_keysym = status_return == XLookupKeySym
112 || status_return == XLookupBoth; 126 || status_return == XLookupBoth;
113 } 127 }
114 else 128 else
115#endif 129#endif
… …
903// read the next character, currently handles UTF-8 917// read the next character, currently handles UTF-8
904// will probably handle all sorts of other stuff in the future 918// will probably handle all sorts of other stuff in the future
905uint32_t 919uint32_t
906rxvt_term::next_char () 920rxvt_term::next_char ()
907{ 921{
908 struct mbstate &s = mbstate;
909
910 while (cmdbuf_ptr < cmdbuf_endp) 922 while (cmdbuf_ptr < cmdbuf_endp)
911 { 923 {
912 uint8_t ch = *cmdbuf_ptr; 924 if (*cmdbuf_ptr < 0x80) // assume < 0x80 to be ascii ALWAYS (all shift-states etc.) uh-oh
913
914 if (s.cnt)
915 {
916 if ((ch & 0xc0) == 0x80)
917 {
918 cmdbuf_ptr++;
919
920 /* continuation */
921 s.reg = (s.reg << 6) | (ch & 0x7f);
922
923 if (--s.cnt == 0 && s.reg >= 128) /* if !inrange then corruption or Racking */
924 return s.reg;
925
926 continue;
927 }
928 else
929 {
930 s.cnt = 0;
931 return s.orig; /* the _occasional_ non-utf-8 character may slip through... */
932 }
933 }
934
935 if ((ch & 0xc0) == 0xc0)
936 {
937 cmdbuf_ptr++; 925 return *cmdbuf_ptr++;
938 926
939 /* first byte */ 927 wchar_t wc;
940 s.orig = ch; /* for broken encodings */ 928 int len = mbrtowc (&wc, (char *)cmdbuf_ptr, cmdbuf_endp - cmdbuf_ptr, &mbstate.mbs);
941 s.reg = ch; 929
942 if ((ch & 0xe0) == 0xc0) { s.reg &= 0x1f; s.cnt = 1; } 930 if (len == (size_t)-2)
943 if ((ch & 0xf0) == 0xe0) { s.reg &= 0x0f; s.cnt = 2; } 931 return NOCHAR;
944 if ((ch & 0xf8) == 0xf0) { s.reg &= 0x07; s.cnt = 3; } 932
945 if ((ch & 0xfc) == 0xf8) { s.reg &= 0x03; s.cnt = 4; } 933 if (len == (size_t)-1)
946 if ((ch & 0xfe) == 0xfc) { s.reg &= 0x01; s.cnt = 5; } 934 return *cmdbuf_ptr++; // the _occasional_ latin1 character is allowed to slip through
947 } 935
948 else 936 // assume wchar == unicode
949 { 937 cmdbuf_ptr += len;
950 cmdbuf_ptr++; /* _occasional_ non-utf8 may slip through... */
951 return ch; 938 return wc;
952 }
953 } 939 }
954 940
955 return NOCHAR; 941 return NOCHAR;
956} 942}
957 943

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