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ecutty.c
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ecutty.c
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/*+-------------------------------------------------------------------------
ecutty.c - local tty (console) functions
Defined functions:
B_to_timeout_msec(termio_tty, st_rdev)
_setcolor(clrs)
color_name_to_num(cname)
console_attribute_test()
console_xon_status()
get_initial_colors()
get_ttymode()
get_ttyname()
kbd_test()
read_colors_file()
restore_initial_colors()
ring_bell()
set_console_xon_xoff_by_arg(arg)
setcolor(new_colors)
setcolor_internal(ntokens, tokens)
termio_to_kbd_chars()
ttyflush(flush_type)
ttygetc(xkey_ok)
ttygets(str, maxsize, flags, delim, pstrpos)
ttygets_esd(tesd, flags, append_flag)
ttyinit(param)
ttymode(arg)
ttyrdchk()
In SCO versions, ECU keeps the the state of the normal and
reverse video foreground and background colors in a 32-bit value:
00000000001111111111222222222233
01234567890123456789012345678901
0000|--|0000|--|0000|--|0000|--|
fg bk fg bk
reverse normal
The color values are per the SCO extended color definitons:
black 0 gray 8
blue 1 lt_blue 9
green 2 lt_green 10
cyan 3 lt_cyan 11
red 4 lt_red 12
magenta 5 lt_magenta 13
brown 6 yellow 14
white 7 hi_white 15
With Lothar's ISC SVR4, the format is
00000000001111111111222222222233
01234567890123456789012345678901
00000000000000000011????0100????
0 0 0 0 3 f 4 o b
where f is the foreground color
and b is the background color
(I dont have one, so I'm guessing these colors are chosen from
the ISO colors):
BLACK 0
RED 1
GREEN 2
YELLOW 3
BLUE 4
MAGENTA 5
CYAN 6
WHITE 7
--------------------------------------------------------------------------*/
/*+:EDITS:*/
/*:04-26-2000-11:15-wht@bob-RELEASE 4.42 */
/*:12-19-1997-20:05-wht@kepler-no more "[stdin is not a tty ...]" */
/*:01-24-1997-02:37-wht@yuriatin-SOURCE RELEASE 4.00 */
/*:10-31-1996-17:49-wht@yuriatin-harden get_ttyname */
/*:10-18-1996-21:12-wht@yuriatin-change text returned by console_xon_status */
/*:09-18-1996-00:29-wht@yuriatin-set USE_COLOR after include of ecu_config.h */
/*:09-16-1996-07:28-wht@yuriatin-use SCO_UNIX to include OS5 */
/*:09-11-1996-20:[email protected] telnet,curses,structural overhaul */
/*:07-31-1996-16:32-wht@kepler-clean up style removing ancient debug code */
/*:07-31-1996-16:32-wht@kepler-apply Andrey Chernov FreeBSD color patch */
/*:07-16-1996-16:14-wht@kepler-better doc for screen size error */
/*:07-03-1996-15:09-wht@n4hgf-get rid of unnecessary tty mode 4 */
/*:07-03-1996-14:38-wht@n4hgf-reorder functions */
/*:07-03-1996-14:34-wht@kepler-call tcap_init after tty is ready and raw */
/*:12-09-1995-11:22-wht@n4hgf-print "[stdin not tty ...]" if so */
/*:12-07-1995-15:49-wht@kepler-if stdin not tty, ttyrdchk now returns 0 */
/*:12-06-1995-13:30-wht@n4hgf-termecu w/errno -1 consideration */
/*:11-23-1995-11:20-wht@kepler-source control 3.37 for tsx-11 */
/*:11-14-1995-10:[email protected] control point: SOCKETS */
/*:11-11-1995-23:29-wht@gyro-turn off rcvr_ansi_filter if not char special */
/*:10-22-1995-07:56-wht@wwtp1-minimum geometry now 24 lines */
/*:10-14-1995-17:08-wht@kepler-'struct termio' to 'struct TERMIO' */
/*:09-16-1995-14:55-root@kepler-remove rll CONS_GET logevent test hack */
/*:06-15-1995-07:33-wht@kepler-more lines&cols fixing */
/*:05-09-1995-18:32-wht@kepler-support other than main console under linux */
/*:05-09-1995-17:23-wht@kepler-add console_attribute_test for icmd attrtest */
/*:03-29-1995-01:30-wht@n4hgf-use ache internationalization for all versions */
/*:01-12-1995-15:19-wht@n4hgf-apply Andrew Chernov 8-bit clean+FreeBSD patch */
/*:05-04-1994-04:39-wht@n4hgf-ECU release 3.30 */
/*:03-13-1994-19:22-wht@fep-added WHT rterm detection */
/*:01-16-1994-15:46-wht@n4hgf-use ecumachdep.h */
/*:12-12-1993-13:32-wht@n4hgf-support MOTSVR3 */
/*:12-02-1993-14:[email protected] LINUX patches */
/*:08-03-1993-12:43-wht@n4hgf-use build_arg_array in read_color_file */
/*:08-03-1993-12:43-wht@n4hgf-global colors file was never read */
/*:08-03-1993-12:41-wht@n4hgf-comment trigger can now be in col > 1 */
/*:07-17-1993-12:36-wht@n4hgf-no more rcvrdisp_actual2_xmtr_buffer junk */
/*:01-30-1993-13:29-wht@n4hgf-get rid of warning about unused variable */
/*:12-20-1992-12:37-wht@n4hgf-WHT experiment with attributes */
/*:10-18-1992-14:26-wht@n4hgf-add console xon/xoff control */
/*:10-08-1992-01:12-wht@n4hgf-no more obsolete Metro Link PTS */
/*:10-08-1992-01:06-wht@n4hgf-SVR4 color work + !use_color normal fix */
/*:09-15-1992-18:52-wht@n4hgf-left some debug code in patch01 dammit */
/*:09-13-1992-12:52-wht@n4hgf-add tty_is_scoterm */
/*:09-10-1992-13:59-wht@n4hgf-ECU release 3.20 */
/*:08-30-1992-07:42-wht@n4hgf-implement USE_COLOR+turn off ESIX color for now */
/*:08-22-1992-15:38-wht@n4hgf-ECU release 3.20 BETA */
/*:08-16-1992-03:43-wht@n4hgf-add -F funckeytype */
/*:06-20-1992-21:13-wht@n4hgf-eculibdir was overwritten if no home dir colors */
/*:06-16-1992-11:20-wht@n4hgf-ECUFUNCKEY */
/*:05-05-1992-17:42-wht@n4hgf-repair underscore always on on sun */
/*:04-24-1992-16:55-wht@n4hgf-dont flunk on >43 lines but use only 43 */
/*:04-20-1992-20:31-wht@n4hgf-ttymode now no-op until ttyinit called */
/*:04-20-1992-19:42-wht@n4hgf-kbdtest code in ttygetc messed up-str too short */
/*:04-19-1992-03:[email protected] has ESIX SVR4 */
/*:04-19-1992-02:00-wht@n4hgf-if TERM=ansi with WINDOWID, assume scoterm */
/*:08-31-1991-13:29-wht@n4hgf2-look for colors in CFG_EcuLibDir too */
/*:08-30-1991-04:12-wht@n4hgf2-restore colors wrong to do now if not SCO */
/*:08-30-1991-02:49-aega84!lh-use at_ansi.h/kd.h/CONS_GET under ISC SVR4 */
/*:08-25-1991-14:39-wht@n4hgf-SVR4 port thanks to aega84!lh */
/*:08-17-1991-18:29-wht@n4hgf-add kbdtest command */
/*:07-25-1991-12:57-wht@n4hgf-ECU release 3.10 */
/*:07-14-1991-18:18-wht@n4hgf-new ttygets functions */
/*:07-10-1991-16:19-wht@n4hgf-improve multi-char func key read timeout */
/*:03-20-1991-03:07-root@n4hgf-pts driver returns -1 on Rdchk success! */
/*:03-19-1991-21:24-root@n4hgf-METROLINK_X11R4_PTS mods */
/*:01-29-1991-14:03-wht@n4hgf-more time for ESC vs fkey discrimination */
/*:01-29-1991-13:44-wht@n4hgf-load colors_normal w/ioctl GIO_ATTR if M_UNIX */
/*:12-01-1990-14:33-wht@n4hgf-more non-ansi - fkey mapping with nonansi.c */
/*:11-28-1990-15:56-wht@n4hgf-add non-ansi terminal support */
/*:08-14-1990-20:[email protected] old edit history */
#include "ecu.h"
#include "esd.h"
#include "ecufkey.h"
#include "ecukey.h"
#include "ecuxkey.h"
#include "ecuerror.h"
#include "termecu.h"
#ifndef USE_COLOR
#if defined(SCO_UNIX) /* for this module only */
#define USE_COLOR
#endif
#ifdef ISCSVR4 /* last I heard from lothar, this worked */
#define USE_COLOR
#endif
#ifdef ESIXSVR4 /* I heard this does not work */
#endif
#ifdef linux
#define USE_COLOR
#endif
#ifdef __FreeBSD__
#define USE_COLOR
#endif
#endif /* USE_COLOR */
#include "ecumachdep.h"
#define DEFINE_TTY_DATA
#include "ecutty.h"
extern UINT tcap_LINES;
extern UINT tcap_COLS;
extern int LINES;
extern int COLS;
extern char screen_dump_file_name[];
extern char *dash_f_funckeytype;
char *kde_text();
UINT LINESxCOLS;
int current_ttymode = 0;
int ttymode_termecu_on_sigint = 0;
int tty_is_pty;
int tty_is_multiscreen;
int tty_is_scoterm;
int tty_not_char_special;
int tty_use_kbd_sw_flow_control = 1;
int use_colors = 0; /* set by ttyinit, but default no */
char *ttype; /* getenv("TERM") */
static int kbd_test_active = 0;
static int ttyinit_has_been_called = 0;
#if defined(SCO_UNIX) || defined(SVR4) || defined(__FreeBSD__)
static int got_original_colors = 0;
#endif
struct TERMIO tty_termio_at_entry;
struct TERMIO tty_termio_current;
struct stat st_tty;
struct stat st_dn;
struct stat st_tty01;
struct stat st_ttyp0;
struct stat st_console;
uchar kbdeof; /* current input EOF */
uchar kbdeol2; /* current secondary input EOL */
uchar kbdeol; /* current input EOL */
uchar kbderase; /* current input ERASE */
uchar kbdintr; /* current input INTR */
uchar kbdkill; /* current input KILL */
uchar kbdquit; /* current input QUIT */
int echo_erase_char; /* save users ECHOE bit */
int echo_kill_char; /* save users ECHOK bit */
char kbd_is_7bit; /* keyboard has parity */
long tty_escape_timeout = 40L; /* timeout on waiting for char after ESC */
uchar *dole_out_tgc_accum = (uchar *) 0;
int dole_out_tgc_accum_count = 0;
/*
* color definitions per format described at top of source
* we handle SCO XENIX and UNIX and ISC SVR4 but not "MYSYS"
* (search for MYSYS near top of source for clue what MYSYS means)
*
* As of this writing, I don't know about colors on ISC 2.2.
* but they might be the same as for SVR4.
*
*/
#ifdef SCO_UNIX /* SCO */
UINT32 colors_initial = 0x04070A00L; /* default initial colors */
UINT32 colors_current = 0x04070A00L; /* colors set during execution */
UINT32 colors_normal = 0x04070A00L; /* default lt_green/black red/white */
UINT32 colors_success = 0x07000A00L; /* lt_green/black red/white */
UINT32 colors_alert = 0x0E000E00L; /* yellow */
UINT32 colors_error = 0x04000400L; /* red */
UINT32 colors_notify = 0x08000800L; /* gray */
#define COLORS_DEFINED
#endif /* SCO_UNIX */
#ifdef __FreeBSD__
UINT32 colors_initial = 0x04070700L; /* default initial colors */
UINT32 colors_current = 0x04070700L; /* colors set during execution */
UINT32 colors_normal = 0x04070700L; /* default white/black red/white */
UINT32 colors_success = 0x07000200L; /* green/black red/white */
UINT32 colors_alert = 0x0E000E00L; /* yellow */
UINT32 colors_error = 0x04000400L; /* red */
UINT32 colors_notify = 0x03000300L; /* cyan */
#define COLORS_DEFINED
#endif
#if defined(ISCSVR4) || defined(linux) || defined(ESIXSVR4)
UINT32 colors_initial = 0x00002528L;
UINT32 colors_current = 0x00002528L;
UINT32 colors_normal = 0x00002528L; /* white */
UINT32 colors_success = 0x00002028L; /* green */
UINT32 colors_alert = 0x00002128L; /* yellow */
UINT32 colors_error = 0x00001F28L; /* red */
UINT32 colors_notify = 0x00002428L; /* cyan */
#define COLORS_DEFINED
#endif /* ISCSVR4 */
#if defined(ESIXSVR4) || defined(linux)
static struct color_remapping
{
char *name;
char ecu_val;
char svr4_val;
}
color_remapping[] =
{
{ "black", 0, 0x00 },
{ "blue", 1, 0x04 },
{ "brown", 6, 0x03 },
{ "cyan", 3, 0x06 },
{ "gray", 8, 0x10 },
{ "green", 2, 0x02 },
{ "hi_white", 15, 0x17 },
{ "lt_blue", 9, 0x14 },
{ "lt_cyan", 11, 0x16 },
{ "lt_green", 10, 0x12 },
{ "lt_magenta", 13, 0x15 },
{ "lt_red", 12, 0x11 },
{ "magenta", 5, 0x05 },
{ "red", 4, 0x01 },
{ "white", 7, 0x07 },
{ "yellow", 14, 0x13 },
{ 0, 0, 0 }
};
#endif /* ESIXSVR4 || linux */
#if !defined(COLORS_DEFINED)
/*
* These "colors" only work for setcolor() when use_colors == 0;
* They provide unique numbers for termcap mapping
*/
UINT32 colors_current = 1; /* dummy */
UINT32 colors_normal = 2; /* dummy */
UINT32 colors_initial = 3; /* dummy */
UINT32 colors_success = 4; /* dummy */
UINT32 colors_alert = 5; /* dummy */
UINT32 colors_error = 6; /* dummy */
UINT32 colors_notify = 7; /* dummy */
#define COLORS_DEFINED
#endif /* !COLORS_DEFINED */
/*+-------------------------------------------------------------------------
B_to_timeout_msec(c_cflag,st_rdev) - CBAUD code to ESC timeout msec
--------------------------------------------------------------------------*/
/*ARGSUSED*/
UINT32
B_to_timeout_msec(termio_tty, st_rdev)
struct TERMIO *termio_tty;
UINT16 st_rdev;
{
long ms = 300L;
/* make network/xterm/pty sweat, but don't make as many mistakes */
if (tty_is_pty)
return (ms);
/* if multiscreen, 3 ticks is pu-lenty */
if (tty_is_multiscreen)
return ((long)(1000 / hertz * 3));
/* bit rate fiddling */
switch (ecugetspeed(termio_tty))
{
/* char times * time/char */
case B110:
ms = 10 * 100;
break;
case B300:
ms = 10 * 33;
break;
case B600:
ms = 10 * 16;
break;
case B1200:
ms = 10 * 8;
break;
case B2400:
ms = 10 * 4;
break;
default: /* many character times for packetized ... */
ms = 400L; /* ... modems used for console */
break;
}
return (ms);
} /* end of B_to_timeout_msec */
/*+-------------------------------------------------------------------------
color_name_to_num(cname)
--------------------------------------------------------------------------*/
int
color_name_to_num(cname)
char *cname;
{
COLOR *color = colors;
int itmp;
while (color->name)
{
if ((itmp = strcmp(color->name, cname)) > 0)
return (-1);
if (!itmp)
return (color->num);
color++;
}
return (-1);
} /* end of color_name_to_num */
/*+-------------------------------------------------------------------------
_setcolor(clrs)
--------------------------------------------------------------------------*/
void
_setcolor(clrs)
UINT32 clrs;
{
#if defined(ESIXSVR4) || defined(linux)
struct color_remapping *cr;
#endif
#if defined(SVR4) || defined(linux)
char fgcolor;
char bgcolor;
#endif /* SVR4 || linux */
if (!use_colors || tty_not_char_special)
return;
if(getpid() == shm->rcvr_pid)
rcvrdisp_actual();
#if defined(SVR4) || defined(linux)
#if defined(ESIXSVR4) || defined(linux)
/*
* set foreground color
*/
fgcolor = (clrs >> 8) & 0xff;
for (cr = color_remapping; cr->name; ++cr)
{
if (fgcolor == cr->ecu_val)
{
fgcolor = cr->svr4_val;
break;
}
}
if (!cr->name)
fgcolor = 0x07; /* white */
if (fgcolor & 0x10)
{
fgcolor &= ~0x10;
ff(se, "\033[1;3%d;m", fgcolor);
}
else
ff(se, "\033[0;3%d;m", fgcolor);
/*
* set background color
*/
bgcolor = clrs & 0xff;
for (cr = color_remapping; cr->name; ++cr)
{
if (bgcolor == cr->ecu_val)
{
bgcolor = cr->svr4_val;
break;
}
}
if (!cr->name)
bgcolor = 0x00; /* black */
if (bgcolor & 0x10)
{
bgcolor &= ~0x10;
ff(se, "\033[5;3%d;m", bgcolor);
}
else
ff(se, "\033[0;3%d;m", bgcolor);
#else /* ISC SVR4 */
/* normal */
fgcolor = (clrs >> 8) & 0xff;
bgcolor = clrs & 0xff;
ff(se, "\033[%d;%dm", fgcolor, bgcolor);
#endif /* ESIXSVR4 */
#else /* not any SVR4 */
#if defined(SCO_UNIX) || defined(__FreeBSD__)
/* normal */
ff(se, "\033[=%ldF\033[=%ldG", (clrs >> 8) & 0xFF, clrs & 0xFF);
/* reverse */
ff(se, "\033[=%ldH\033[=%ldI", (clrs >> 24) & 0xFF, (clrs >> 16) & 0xFF);
#endif /* SCO_UNIX */
#endif /* SVR4 */
colors_current = clrs;
} /* end of _setcolor */
/*+-------------------------------------------------------------------------
setcolor(new_colors)
requires termcap init to have been done
--------------------------------------------------------------------------*/
void
setcolor(new_colors)
UINT32 new_colors;
{
if (tty_not_char_special)
return;
if (!use_colors)
{
if (new_colors == colors_notify)
tcap_underscore_on();
else if (new_colors == colors_alert)
tcap_bold_on();
else if (new_colors == colors_error)
tcap_stand_out();
else if (new_colors == colors_success)
{
tcap_underscore_on();
tcap_bold_on();
}
else
{
tcap_underscore_off();
tcap_bold_off();
tcap_stand_end();
}
return;
}
_setcolor(new_colors);
#if !defined(linux) && !defined(__FreeBSD__)
tcap_stand_end();
#endif
} /* end of setcolor */
/*+-------------------------------------------------------------------------
setcolor_internal(ntokens,tokens)
returns 0 on success, else token number in error + 1
--------------------------------------------------------------------------*/
int
setcolor_internal(ntokens, tokens)
int ntokens;
char **tokens;
{
UINT32 fgnd;
UINT32 bgnd;
if (tty_not_char_special || !use_colors)
return (0);
if (ntokens < 2)
return (1);
else if (ntokens == 2)
tokens[2] = "black";
if ((fgnd = (UINT32) color_name_to_num(tokens[1])) > 15)
return (2);
if ((bgnd = (UINT32) color_name_to_num(tokens[2])) > 15)
return (3);
if (!strcmp(tokens[0], "normal"))
{
colors_normal &= 0xFFFF0000L;
colors_normal |= (fgnd << 8) | bgnd;
setcolor(colors_normal);
}
else if (!strcmp(tokens[0], "reverse"))
{
colors_normal &= 0x0000FFFFL;
colors_normal |= (fgnd << 24) | (bgnd << 16);
setcolor(colors_normal);
}
else if (!strcmp(tokens[0], "notify"))
colors_notify = (fgnd << 24) | (bgnd << 16) | (fgnd << 8) | bgnd;
else if (!strcmp(tokens[0], "success"))
colors_success = (fgnd << 24) | (bgnd << 16) | (fgnd << 8) | bgnd;
else if (!strcmp(tokens[0], "alert"))
colors_alert = (fgnd << 24) | (bgnd << 16) | (fgnd << 8) | bgnd;
else if (!strcmp(tokens[0], "error"))
colors_error = (fgnd << 24) | (bgnd << 16) | (fgnd << 8) | bgnd;
else
return (1);
return (0);
} /* end of setcolor_internal */
/*+-------------------------------------------------------------------------
restore_initial_colors() - make screen safe
On SCO, restore color choices at execution time if we successfully
got them from the driver; in other situations, use tcap to reset.
--------------------------------------------------------------------------*/
void
restore_initial_colors()
{
#if defined(SCO_UNIX) || defined(SVR4) || defined(__FreeBSD__)
if (use_colors && got_original_colors)
setcolor(colors_initial);
else
#endif
{
tcap_blink_off();
tcap_bold_off();
tcap_underscore_off();
#ifdef __FreeBSD__
if (use_colors)
tcap_orig_pair();
#endif
}
} /* end of restore_initial_colors */
/*+-------------------------------------------------------------------------
get_initial_colors() - read colors at time of execution from driver
00000000001111111111222222222233
01234567890123456789012345678901
0000|--|0000|--|0000|--|0000|--|
fg bk fg bk
reverse normal
--------------------------------------------------------------------------*/
#if defined(SCO_UNIX) || defined(__FreeBSD__)
void
get_initial_colors()
{
UINT cur_attr;
UINT32 fgnd;
UINT32 bgnd;
colors_initial = colors_normal; /* scoterm can use color but ... */
if (ioctl(TTYIN, GIO_ATTR, &cur_attr) == -1) /* ... GIO_ATTR won't
* work */
return;
colors_normal = 0L;
/*
* first, reverse, so we can end up with normal colors selected
*/
write(1, "\033[7m", 4); /* select reverse */
#ifdef __FreeBSD__
(void)ioctl(TTYIN, GIO_ATTR, &cur_attr);
#else
cur_attr = (UINT) ioctl(TTYIN, GIO_ATTR, 0);
#endif
fgnd = (UINT32) cur_attr & 0x0F;
bgnd = (UINT32) (cur_attr >> 4) & 0x0F;
colors_normal |= (fgnd << 24) | (bgnd << 16);
/*
* now, normal
*/
write(1, "\033[m", 3); /* select normal */
#ifdef __FreeBSD__
(void)ioctl(TTYIN, GIO_ATTR, &cur_attr);
#else
cur_attr = (UINT) ioctl(TTYIN, GIO_ATTR, 0);
#endif
fgnd = (UINT32) cur_attr & 0x0F;
bgnd = (UINT32) (cur_attr >> 4) & 0x0F;
colors_normal |= (fgnd << 8) | bgnd;
colors_initial = colors_normal; /* save for restore_initial_colors */
got_original_colors = 1;
} /* end of get_initial_colors */
#endif
/*+-------------------------------------------------------------------------
read_colors_file() - read color definition if present
--------------------------------------------------------------------------*/
void
read_colors_file()
{
FILE *fp;
char s128[128];
#define MAX_COLOR_TOKENS 6
char *tokens[MAX_COLOR_TOKENS];
int ntokens;
char *cp;
int itmp;
if (tty_not_char_special)
return;
#if defined(SCO_UNIX) || defined(__FreeBSD__)
get_initial_colors();
#endif
get_home_dir(s128);
strcat(s128, "/.ecu/colors");
if (!(fp = fopen(s128, "r")))
{
strcpy(s128, eculibdir);
strcat(s128, "/colors");
if (!(fp = fopen(s128, "r")))
return;
}
while (fgets(s128, sizeof(s128), fp))
{
if (itmp = strlen(s128)) /* itmp = len; if > 0 ... */
{
itmp--;
s128[itmp] = 0; /* ... strip trailing NL */
}
if (cp = strchr(s128, '#')) /* comment? */
*cp = 0;
cp = s128; /* first call to str_token, -> buff */
while ((*cp == 0x20) || (*cp == TAB))
cp++; /* strip leading spaces */
if (*cp == 0) /* if line all blank, skip it */
continue;
build_arg_array(s128, tokens, MAX_COLOR_TOKENS, &ntokens);
if (ntokens < 2)
continue;
setcolor_internal(ntokens, tokens);
} /* while records left to ready */
#if defined(SCO_UNIX) || defined(__FreeBSD__)
if (ioctl(TTYIN, GIO_ATTR, &itmp) == -1)
colors_initial = colors_normal; /* hack for scoterm */
#endif
fclose(fp);
} /* end of read_colors_file */
/*+-------------------------------------------------------------------------
ring_bell()
--------------------------------------------------------------------------*/
void
ring_bell()
{
char b = BEL;
if (tty_not_char_special)
return;
write(TTYOUT, &b, 1);
} /* end of ring_bell */
/*+-------------------------------------------------------------------------
termio_to_kbd_chars()
--------------------------------------------------------------------------*/
void
termio_to_kbd_chars()
{
kbdintr = (tty_termio_at_entry.c_cc[VINTR])
? (tty_termio_at_entry.c_cc[VINTR] & 0x7F) : '\377';
kbdquit = (tty_termio_at_entry.c_cc[VQUIT])
? (tty_termio_at_entry.c_cc[VQUIT] & 0x7F) : '\377';
kbderase = (tty_termio_at_entry.c_cc[VERASE])
? (tty_termio_at_entry.c_cc[VERASE] & 0x7F) : '\377';
kbdkill = (tty_termio_at_entry.c_cc[VKILL])
? (tty_termio_at_entry.c_cc[VKILL] & 0x7F) : '\377';
kbdeof = (tty_termio_at_entry.c_cc[VEOF])
? (tty_termio_at_entry.c_cc[VEOF] & 0x7F) : '\04';
kbdeol2 = (tty_termio_at_entry.c_cc[VEOL])
? (tty_termio_at_entry.c_cc[VEOL] & 0x7F) : '\377';
kbdeol = (tty_termio_at_entry.c_iflag & ICRNL)
? '\r' : '\n';
kbd_is_7bit = ((tty_termio_at_entry.c_cflag & PARENB) != 0);
echo_erase_char = tty_termio_at_entry.c_lflag & ECHOE;
echo_kill_char = tty_termio_at_entry.c_lflag & ECHOK;
} /* end of termio_to_kbd_chars */
/*+-----------------------------------------------------------------------
ttymode(arg) -- control user console (kbd/screen)
Where arg ==
0 restore attributes saved at start of execution
1 raw mode (send xon/xoff, but do not respond to it, no ISIG/SIGINT)
2 raw mode (same as 1 but allow keyboard interrupts)
3 same as 2 but terminate program on SIGINT
------------------------------------------------------------------------*/
void
ttymode(arg)
int arg;
{
/*
* ignore if no keyboard involved
*/
if (tty_not_char_special)
return;
/*
* usage()->termecu()->ttymode() is possible before ttyinit()
*/
if (!ttyinit_has_been_called)
return;
switch (arg)
{
case 0:
ecusetattr(TTYIN, TCSETAW, &tty_termio_at_entry);
tty_termio_current = tty_termio_at_entry;
current_ttymode = 0;
ttymode_termecu_on_sigint = 0;
break;
case 1:
case 2:
case 3:
tty_termio_current = tty_termio_at_entry;
tty_termio_current.c_cflag &= ~(PARENB | PARODD);
tty_termio_current.c_cflag |= CS8;
/* don't want to honor tty xon/xoff, but pass to other end */
#if defined(CFG_TermiosLineio)
tty_termio_current.c_iflag &= ~(INLCR | ICRNL | IGNCR | ISTRIP);
tty_termio_current.c_oflag &= ~(ONLCR);
#else
tty_termio_current.c_iflag &= ~(INLCR | ICRNL | IGNCR | IUCLC | ISTRIP);
tty_termio_current.c_oflag &= ~(OLCUC | ONLCR | OCRNL | ONOCR | ONLRET);
#endif
tty_termio_current.c_oflag |= OPOST;
if (tty_use_kbd_sw_flow_control)
tty_termio_current.c_iflag |= IXON | IXOFF;
else
tty_termio_current.c_iflag &= ~(IXON | IXOFF);
tty_termio_current.c_lflag &= ~(ICANON | ISIG | ECHO);
if (arg > 1)
tty_termio_current.c_lflag |= ISIG;
tty_termio_current.c_cc[VMIN] = 1;
tty_termio_current.c_cc[VTIME] = 0;
ecusetattr(TTYIN, TCSETAW, &tty_termio_current);
current_ttymode = arg;
/*
* establish ttymode_termecu_on_sigint indicator for
* ecusighdl.c:xmtr_SIGINT_handler()
*/
ttymode_termecu_on_sigint = (arg == 3);
break;
default:
ff(se, "\r\nttymode: invalid argument %d\r\n", arg);
termecu(TERMECU_LOGIC_ERROR);
break;
}
} /* end of ttymode */
/*+-------------------------------------------------------------------------
int get_ttymode()
--------------------------------------------------------------------------*/
int
get_ttymode()
{
return (current_ttymode);
} /* end of get_ttymode */
/*+-----------------------------------------------------------------------
ttyflush(flush_type) -- flush tty driver input &/or output buffers
0 == input buffer
1 == output buffer
2 == both buffers
------------------------------------------------------------------------*/
void
ttyflush(flush_type)
int flush_type;
{
if (tty_not_char_special)
return;
ecuflow(TTYIN, TCOOFF);
ecuflush(TTYIN, flush_type);
ecuflow(TTYIN, TCOON);
if (flush_type != 1)
{
dole_out_tgc_accum = (uchar *) 0;
dole_out_tgc_accum_count = 0;
}
} /* end of ttyflush */
/*+-------------------------------------------------------------------------
ttyrdchk() - see if key pressed and not read
--------------------------------------------------------------------------*/
int
ttyrdchk()
{
if (tty_not_char_special)
return (0);
return (Rdchk(TTYIN) || dole_out_tgc_accum_count);
} /* end of ttyrdchk */
/*+-------------------------------------------------------------------------
ttygetc(xkey_ok) -- get a key from the keyboard
if xkey_ok is 0, disallow extended keys,
otherwisemap extended keys to sign-bit-set special value
--------------------------------------------------------------------------*/
UINT
ttygetc(xkey_ok)
int xkey_ok;
{
uchar ctmp;
UINT utmp;
extern int errno;
UINT itmp = 0;
long timeout_remaining;
static uchar tgc_accum[16];
UINT funckeymap();
if (tty_not_char_special)/* untested */
{
if (read(TTYIN, (char *)&ctmp, 1) <= 0)
return (XF_no_way);
return ((UINT) ctmp);
}
if (dole_out_tgc_accum_count)
{
ctmp = *dole_out_tgc_accum++;
dole_out_tgc_accum_count--;
if (kbd_is_7bit)
ctmp &= 0x7F;
return ((UINT) ctmp);
}
GET_KEY:
errno = 0;
if (read(TTYIN, (char *)&ctmp, 1) <= 0)
{
if (errno == EINTR)
goto GET_KEY;
perror_errmsg("keyboard");
termecu(TERMECU_TTYIN_READ_ERROR);
}
if (!isprint(ctmp) &&
(ctmp != kbderase) && (ctmp != kbdkill) &&
(ctmp != kbdeol) && (ctmp != kbdeol2) &&
(ctmp != kbdintr) && (ctmp != kbdeof))
{
tgc_accum[0] = ctmp;
tgc_accum[itmp = 1] = 0;
timeout_remaining = tty_escape_timeout;
while (((utmp = funckeymap(tgc_accum, itmp)) >= XF_no_way) &&
(timeout_remaining > 0))
{
timeout_remaining -= Nap(hzmsec);
if(kbd_test_active > 1)
ff(se,".");
if (!Rdchk(TTYIN))
continue;
read(TTYIN, (char *)&ctmp, 1);
if (itmp == (sizeof(tgc_accum) - 1)) /* do not allow overflow */
{
utmp = XF_no_way;
break;
}
timeout_remaining = tty_escape_timeout;
tgc_accum[itmp++] = ctmp;
}
tgc_accum[itmp] = 0;
if ((utmp == XF_not_yet) && (itmp == 1))
{
if (kbd_is_7bit)
tgc_accum[0] &= 0x7F;
return ((UINT) tgc_accum[0]);
}
else if (utmp < XF_no_way) /* if we got a map */
{
if (kbd_test_active)
{
char title[128];
sprintf(title, "--> func key '%s' (%d key codes received)",
kde_text(utmp), itmp);
hex_dump(tgc_accum, -itmp, title, 1);
}
if (!xkey_ok)
{
ring_bell();
goto GET_KEY;
}
switch (utmp)
{
case IKDE_CU5:
screen_dump(screen_dump_file_name);
goto GET_KEY;
default:
return ((UINT) ikde_to_xf(utmp));
}
/* NOTREACHED */
}
/* not func key -- must be typamatic control key */
if (kbd_test_active)
{
char title[128];
if (itmp > 1)
{
sprintf(title,
"--> no func key recognized (%d key codes received)",
itmp);
hex_dump(tgc_accum, -itmp, title, 1);
}
}
dole_out_tgc_accum_count = itmp - 1;
dole_out_tgc_accum = tgc_accum + 1;
if (kbd_is_7bit)
tgc_accum[0] &= 0x7F;
return ((UINT) tgc_accum[0]);
}
/*
* simple key, not special
*/
if (kbd_is_7bit)