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RDB: fix various UTF-8 glitches.

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[originally from svn r1138]
This commit is contained in:
Simon Tatham 2001-05-19 15:21:05 +00:00
parent 26d63c3a96
commit 38b6d276d2
5 changed files with 47 additions and 46 deletions
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4
ldisc.c
View File

@ -28,7 +28,7 @@ static int term_buflen = 0, term_bufsiz = 0, term_quotenext = 0;
static int plen(unsigned char c)
{
if ((c >= 32 && c <= 126) || (c >= 160 && !utf))
if ((c >= 32 && c <= 126) || (c >= 160 && !in_utf))
return 1;
else if (c < 128)
return 2; /* ^x for some x */
@ -38,7 +38,7 @@ static int plen(unsigned char c)
static void pwrite(unsigned char c)
{
if ((c >= 32 && c <= 126) || (c >= 160 && !utf)) {
if ((c >= 32 && c <= 126) || (c >= 160 && !in_utf)) {
c_write(&c, 1);
} else if (c < 128) {
char cc[2];

3
putty.h
View File

@ -78,7 +78,7 @@
#define ATTR_DEFAULT 0x00980000UL
#define ATTR_DEFFG 0x00080000UL
#define ATTR_DEFBG 0x00900000UL
#define ERASE_CHAR (ATTR_DEFAULT | ' ')
#define ERASE_CHAR (ATTR_DEFAULT | ATTR_ASCII | ' ')
#define ATTR_MASK 0xFFFFFF00UL
#define CHAR_MASK 0x000000FFUL
@ -127,6 +127,7 @@ GLOBAL WCHAR unitab_font[256];
GLOBAL WCHAR unitab_xterm[256];
GLOBAL WCHAR unitab_oemcp[256];
GLOBAL unsigned char unitab_ctrl[256];
#define in_utf (utf || line_codepage==CP_UTF8)
#define LGXF_OVR 1 /* existing logfile overwrite */
#define LGXF_APN 0 /* existing logfile append */

65
terminal.c
View File

@ -94,6 +94,7 @@ static int wrap, wrapnext; /* wrap flags */
static int insert; /* insert-mode flag */
static int cset; /* 0 or 1: which char set */
static int save_cset, save_csattr; /* saved with cursor position */
static int save_utf; /* saved with cursor position */
static int rvideo; /* global reverse video flag */
static int rvbell_timeout; /* for ESC[?5hESC[?5l vbell */
static int cursor_on; /* cursor enabled flag */
@ -117,7 +118,7 @@ static unsigned long cset_attr[2];
/*
* Saved settings on the alternate screen.
*/
static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset, alt_sco_acs;
static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset, alt_sco_acs, alt_utf;
static int alt_t, alt_b;
static int alt_which;
@ -279,6 +280,7 @@ static void power_on(void)
alt_wnext = wrapnext = alt_ins = insert = FALSE;
alt_wrap = wrap = cfg.wrap_mode;
alt_cset = cset = 0;
alt_utf = utf = 0;
alt_sco_acs = sco_acs = 0;
cset_attr[0] = cset_attr[1] = ATTR_ASCII;
rvideo = 0;
@ -538,6 +540,9 @@ static void swap_screen(int which)
t = cset;
cset = alt_cset;
alt_cset = t;
t = utf;
utf = alt_utf;
alt_utf = t;
t = sco_acs;
sco_acs = alt_sco_acs;
alt_sco_acs = t;
@ -694,6 +699,7 @@ static void save_cursor(int save)
savecurs = curs;
save_attr = curr_attr;
save_cset = cset;
save_utf = utf;
save_csattr = cset_attr[cset];
save_sco_acs = sco_acs;
} else {
@ -706,11 +712,13 @@ static void save_cursor(int save)
curr_attr = save_attr;
cset = save_cset;
utf = save_utf;
cset_attr[cset] = save_csattr;
sco_acs = save_sco_acs;
fix_cpos;
if (use_bce)
erase_char = (' ' | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK)));
erase_char = (' ' | ATTR_ASCII |
(curr_attr & (ATTR_FGMASK | ATTR_BGMASK)));
}
}
@ -941,18 +949,15 @@ void term_out(void)
/* First see about all those translations. */
if (termstate == TOPLEVEL) {
if (utf)
if (in_utf)
switch (utf_state) {
case 0:
if (c < 0x80) {
/* I know; gotos are evil. This one is really bad!
* But before you try removing it follow the path of the
* sequence "0x5F 0xC0 0x71" with UTF and VTGraphics on.
*/
/*
if (cfg.no_vt_graph_with_utf8) break;
*/
goto evil_jump;
/* UTF-8 must be stateless so we ignore iso2022. */
if (unitab_ctrl[c] != 0xFF)
c = unitab_ctrl[c];
else c = ((unsigned char)c) | ATTR_ASCII;
break;
} else if ((c & 0xe0) == 0xc0) {
utf_size = utf_state = 1;
utf_char = (c & 0x1f);
@ -1039,7 +1044,6 @@ void term_out(void)
if (sco_acs == 2) c ^= 0x80;
c |= ATTR_SCOACS;
} else {
evil_jump:;
switch (cset_attr[cset]) {
/*
* Linedraw characters are different from 'ESC ( B'
@ -1529,8 +1533,7 @@ void term_out(void)
break;
case ANSI('@', '%'):
compatibility(OTHER);
if (line_codepage != CP_UTF8)
utf = 0;
utf = 0;
break;
}
break;
@ -1850,11 +1853,9 @@ void term_out(void)
}
}
if (use_bce)
erase_char =
(' ' |
(curr_attr &
(ATTR_FGMASK | ATTR_BGMASK |
ATTR_BLINK)));
erase_char = (' ' | ATTR_ASCII |
(curr_attr &
(ATTR_FGMASK | ATTR_BGMASK)));
}
break;
case 's': /* save cursor */
@ -1952,10 +1953,9 @@ void term_out(void)
use_bce = (esc_args[0] <= 0);
erase_char = ERASE_CHAR;
if (use_bce)
erase_char =
(' ' |
(curr_attr &
(ATTR_FGMASK | ATTR_BGMASK)));
erase_char = (' ' | ATTR_ASCII |
(curr_attr &
(ATTR_FGMASK | ATTR_BGMASK)));
break;
case ANSI('E', '='):
compatibility(OTHER);
@ -2347,10 +2347,9 @@ void term_out(void)
vt52_bold = FALSE;
curr_attr = ATTR_DEFAULT;
if (use_bce)
erase_char = (' ' |
(curr_attr &
(ATTR_FGMASK | ATTR_BGMASK |
ATTR_BLINK)));
erase_char = (' ' | ATTR_ASCII |
(curr_attr &
(ATTR_FGMASK | ATTR_BGMASK)));
break;
case 'S':
/* compatibility(VI50) */
@ -2392,10 +2391,8 @@ void term_out(void)
curr_attr |= ATTR_BOLD;
if (use_bce)
erase_char = (' ' |
(curr_attr &
(ATTR_FGMASK | ATTR_BGMASK |
ATTR_BLINK)));
erase_char = (' ' | ATTR_ASCII |
(curr_attr & (ATTR_FGMASK | ATTR_BGMASK)));
break;
case VT52_BG:
termstate = TOPLEVEL;
@ -2408,10 +2405,8 @@ void term_out(void)
curr_attr |= ATTR_BLINK;
if (use_bce)
erase_char = (' ' |
(curr_attr &
(ATTR_FGMASK | ATTR_BGMASK |
ATTR_BLINK)));
erase_char = (' ' | ATTR_ASCII |
(curr_attr & (ATTR_FGMASK | ATTR_BGMASK)));
break;
#endif
default: break; /* placate gcc warning about enum use */

15
unicode.c
View File

@ -40,12 +40,18 @@ void init_ucs_tables(void)
int i, j;
int used_dtf = 0;
char tbuf[256];
int old_codepage = line_codepage;
for (i = 0; i < 256; i++)
tbuf[i] = i;
/* Decide on the Line and Font codepages */
line_codepage = decode_codepage(cfg.line_codepage);
if (font_codepage <= 0) {
font_codepage=0;
dbcs_screenfont=0;
}
if (cfg.vtmode == VT_OEMONLY) {
font_codepage = 437;
dbcs_screenfont = 0;
@ -53,10 +59,9 @@ void init_ucs_tables(void)
line_codepage = GetACP();
} else if (line_codepage <= 0)
line_codepage = font_codepage;
utf = (line_codepage == CP_UTF8);
/* Collect screen font ucs table */
if (dbcs_screenfont) {
if (dbcs_screenfont || font_codepage == 0) {
get_unitab(font_codepage, unitab_font, 2);
for (i = 128; i < 256; i++)
unitab_font[i] = (WCHAR) (ATTR_ACP + i);
@ -82,7 +87,7 @@ void init_ucs_tables(void)
/* Collect line set ucs table */
if (line_codepage == font_codepage &&
(dbcs_screenfont || cfg.vtmode == VT_POORMAN)) {
(dbcs_screenfont || cfg.vtmode == VT_POORMAN || font_codepage==0)) {
/* For DBCS and POOR fonts force direct to font */
used_dtf = 1;
@ -228,7 +233,7 @@ void luni_send(wchar_t * widebuf, int len)
{
static char *linebuffer = 0;
static int linesize = 0;
int ratio = (utf) ? 3 : 1;
int ratio = (in_utf)?3:1;
int i;
char *p;
@ -238,7 +243,7 @@ void luni_send(wchar_t * widebuf, int len)
linesize = len * ratio * 2;
}
if (utf) {
if (in_utf) {
/* UTF is a simple algorithm */
for (p = linebuffer, i = 0; i < len; i++) {
wchar_t ch = widebuf[i];

6
window.c
View File

@ -2881,7 +2881,7 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
#ifdef SHOW_TOASCII_RESULT
if (r == 1 && !key_down) {
if (alt_sum) {
if (utf || dbcs_screenfont)
if (in_utf || dbcs_screenfont)
debug((", (U+%04x)", alt_sum));
else
debug((", LCH(%d)", alt_sum));
@ -2925,7 +2925,7 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
if (!key_down) {
if (alt_sum) {
if (utf || dbcs_screenfont) {
if (in_utf || dbcs_screenfont) {
keybuf = alt_sum;
luni_send(&keybuf, 1);
} else {
@ -2952,7 +2952,7 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
if (!left_alt)
keys[0] = 0;
/* If we will be using alt_sum fix the 256s */
else if (keys[0] && (utf || dbcs_screenfont))
else if (keys[0] && (in_utf || dbcs_screenfont))
keys[0] = 10;
}